CN201615824U - Photo-electricity detecting system of projection machine - Google Patents
Photo-electricity detecting system of projection machine Download PDFInfo
- Publication number
- CN201615824U CN201615824U CN2010201026684U CN201020102668U CN201615824U CN 201615824 U CN201615824 U CN 201615824U CN 2010201026684 U CN2010201026684 U CN 2010201026684U CN 201020102668 U CN201020102668 U CN 201020102668U CN 201615824 U CN201615824 U CN 201615824U
- Authority
- CN
- China
- Prior art keywords
- projector
- projection lamp
- led projection
- parameter
- measured
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to the technical field related to the detection of a projection machine, particularly to a photo-electricity detecting system of a projection machine used for measuring the projection machine. The system comprises an LED projection lamp, a testing computer, a parameter acquiring device and a parameter analyzing device, wherein the parameter acquiring device comprises a color analyzer used for measuring the optical parameters of the projection machine to be measured, a current measuring instrument used for measuring the current value of the LED projection lamp input to electrodes and a temperature measuring instrument used for measuring the temperature value of the LED projection lamp; and the parameter analyzing device is respectively connected with the color analyzer, the current measuring instrument and the temperature measuring instrument, and the use state of the projection machine can be judged according to the optical parameter value of the measured projection machine, the current value of the LED projection lamp and the temperature value of the LED projection lamp. The utility model has the characteristics that the detection environment can be chosen and adjusted according to different requirements, so that the detection is quick and convenient; moreover, the utility model has higher utility value.
Description
Technical field
The utility model relates to projector and detects correlative technology field, particularly a kind of projector photodetector system.
Background technology
Projector is in the light beam that is penetrated by a light source with optical mode, forming an optical imagery, and utilizes projector, amplifies and throws described optical imagery, and this kind projector is widely used and meeting, places such as monitoring.It is light source that described projector adopts the LED projection lamp.In actual applications, after this LED projection lamp is mounted use, the light that can send quite stable continues tens thousand of hours, for example 50000 hours, if but the LED projection lamp can cause the display quality of the image of projector to descend when optical property (brightness, colourity, colour temperature etc.), electrical property (electric current, voltage etc.) deviation occurring in using process.
Because this reason, in commercially available projector, in order to guarantee the display quality of image, all be to use regular debugging, or change when arriving serviceable life according to the LED projection lamp, and itself and the difference and user's custom used of not considering each LED projection lamp, cause produce or detection efficiency is low, error in judgement greatly and unnecessary waste.
The utility model content
The utility model provides a kind of projector photodetector system, and is low to projector's detection efficiency to solve in the prior art, the technical matters that error in judgement is big.
The utility model is by the following technical solutions:
A kind of projector photoelectric test system is used to measure projector, and described system comprises:
Be provided with the LED projection lamp of input electrode, the light source that provides tested projector required is provided;
The control and the test pattern that provide test required are provided test computer;
Parameter obtaining device is used to obtain the parameter of projector to be measured and LED projection lamp;
The parameter analytical equipment is used for the parameter of obtaining is analyzed;
Projector to be measured is connected respectively with test computer, LED projection lamp;
Parameter obtaining device is connected respectively with projector to be measured with the LED projection lamp, and the parameter analytical equipment is connected with parameter obtaining device;
Described parameter obtaining device comprises:
Be connected with tested projector, in order to the color analyzer of the optical parametric of measuring this projector to be measured;
Be connected with the input electrode of LED projection lamp, in order to the current measuring instrument of the current value of measuring this LED projection lamp input electrode;
Be connected with LED projection lamp module, in order to measure the temperature measuring set of this LED projection lamp temperature value;
Described parameter analytical equipment is connected respectively with color analyzer, current measuring instrument, temperature measuring set, according to the optical parameter value of measured projector, the current value of LED projection lamp, the temperature value of LED projection lamp, judge projector's state of projector's user mode.
Existing apparatus is in the LED of projector projection lamp, identical characteristics are all arranged, be the characteristic that the projector light mathematic(al) parameter changed along with service time, the characteristic of the interelectrode electric current of LED lamp current constant along with service time, the temperature of LED lamp module does not produce the characteristic of temperature drift along with service time.Therefore, the utility model patent nationality thus characteristic as the standard of the state of judging projector.
As a kind of preferred version, described parameter analytical equipment comprises data conversion module, data computation module and the condition judgment module that connects successively:
Data conversion module is converted to digital value with the optical property parameter value of measured projector to be measured, the current value of LED projection lamp and the temperature value of LED projection lamp;
Data computation module according to the described digital value of modular converter, is utilized the table of comparisons, calculates the optical property of projector to be measured, the electrical property of LED projection lamp, the thermal behavior of LED projection lamp;
Condition judgment module according to the optical property of the projector to be measured that calculates, the electrical property of LED projection lamp, the thermal behavior of LED projection lamp, is judged the user mode of projector to be measured;
As further preferred version, described data conversion module comprises:
With the optical property Parameters Transformation of the projector to be measured under different temperatures, the different current/voltage condition is the optical property modular converter of digital value;
The unit for electrical property parameters of the LED projection lamp under different temperatures, the different optical property condition is converted to the electrical property modular converter of digital value;
Thermal behavior Parameters Transformation to the LED projection lamp under different optical properties, the different current/voltage condition is the thermal behavior modular converter of digital value;
The optical property modular converter is connected with color analyzer, and the electrical property modular converter is connected with current measuring instrument, and the thermal behavior modular converter is connected with temperature measuring set;
Optical property modular converter, electrical property modular converter and thermal behavior modular converter are connected respectively with data computation module.
As further preferred version again, described optical property parameter is brightness, colour temperature and white point stability, and described unit for electrical property parameters is an electric current, and described thermal behavior parameter is a temperature.
As preferred version further:
Described optical property modular converter is a digital value according to the graph of a relation conversion brightness of projector to be measured brightness and service time, and changing colour temperature according to the graph of a relation of projector's colour temperature and service time is digital value;
Described electrical property modular converter is a digital value according to the graph of a relation switching current of LED projection lamp electric current and service time;
Described thermal behavior modular converter is a digital value according to the graph of a relation inversion temperature of LED projection lamp temperature and service time.
As further preferred version again, described condition judgment module is calculated according to data computation module
The thermal behavior of the electrical property of the optical property of the projector to be measured that goes out, LED projection lamp, LED projection lamp is determined
The brightness uniformity of projector, chromaticity stability and serviceable life.
A kind of preferred version, described tested projector is the projector that one or more LED lamp source combine.
A kind of preferred version, described test computer provide test required control and test pattern, comprise white, black, redness, green, blueness, GTG.
The utility model compared with prior art has following advantage and beneficial effect:
(1) system of the present utility model can detect the photoelectric parameter of the tested projector that is made up of multiple color LED lamps such as blueness, green, redness, can optimize projector system, improve LED lamp consistance, so that the giant-screen that projector shows is pieced together wall image frame sense organ exquisiteness, show levels is abundant, lifelike image is to improve its appreciation effect.
(2) testing environment be selected and be regulated in system of the present utility model can according to different demands owing to be provided with the measurement mechanism of multiple performances such as optical property, electrical property and thermal behavior, so that detection is quick, convenient, has stronger practical value.
(3) system of the present utility model can detect the multiple application characteristic of tested projector, and the photoelectric characteristic of the tested projector of comprehensive evaluation, with the stability that improves projector, reliability etc.
(4) the utility model overcomes problems such as existing detection means is single, error in judgement is big, characterization processes is loaded down with trivial details.
Description of drawings
Fig. 1 is the synoptic diagram of projector of the present utility model photoelectric test system;
Fig. 2 is the table of comparisons 1 projector brightness and the graph of a relation of service time;
Fig. 3 is the table of comparisons 2 projector's colour temperatures and the graph of a relation of service time;
Fig. 4 is table of comparisons 3LED projection lamp electric current and the graph of a relation of service time;
Fig. 5 is table of comparisons 4LED projection lamp temperature and the graph of a relation of service time;
Fig. 6 is the process flow diagram of projector of the present utility model photoelectric test system.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in more detail.
As shown in Figure 1, this projector photodetector system, comprise test computer and test signal, tested projector, color analyzer, temperature measuring set and current measuring instrument, described test computer is connected with current measuring instrument successively with test signal, tested projector, color analyzer, temperature measuring set, and described tested projector is blue, green, red three kinds of projectors that color LED lamp source combines.
Concrete workflow is as shown in Figure 6:
1) use test computer and test signal, test pictures such as input white, black, redness, green, blueness, GTG.
2) start measurement mechanism, optical measurement instrument is measured the optical property parameter (brightness, colourity, colour temperature etc.) of tested projector by color analyzer, electrical measurement is measured the unit for electrical property parameters (electric current, voltage etc.) of tested projector by current probe, and temperature measuring equipment is measured the thermal behavior parameter (temperature) of tested projector by temperature-sensing element.
3) optical property parameter, unit for electrical property parameters or the thermal behavior parameter of measuring correspondingly is sent to data conversion module conversion, the optical property modular converter is converted to digital value with optical property parameters such as the brightness under the conditions such as different temperatures, different current/voltages, colour temperature, white point stability according to Fig. 2 and Fig. 3; The electrical property modular converter is converted to digital value to the unit for electrical property parameters under different temperatures, the different optical property condition according to Fig. 4; The thermal behavior modular converter is converted to digital value to the thermal behavior parameter under the conditions such as different optical properties, different current/voltages according to Fig. 5.
4) data computation module is used the table of comparisons by 3 groups of data of computational data modular converter generation, analyzes the residing photoelectric heat state of projector.
5) condition judgment module, by of the comprehensive judgement of photoelectric analysis system to the projector light electric heating property, analyze under the conditions such as different test patterns, different temperatures, different current/voltages,, and then detect the performance of projector along with the working time increases and the situation of variation and skew.
The foregoing description is the utility model preferred implementation; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (8)
1. projector's photoelectric test system is used to measure projector, and described system comprises:
Be provided with the LED projection lamp of input electrode, the light source that provides tested projector required is provided;
The control and the test pattern that provide test required are provided test computer;
Parameter obtaining device is used to obtain the parameter of projector to be measured and LED projection lamp;
The parameter analytical equipment is used for the parameter of obtaining is analyzed;
Projector to be measured is connected respectively with test computer, LED projection lamp;
Parameter obtaining device is connected respectively with projector to be measured with the LED projection lamp, and the parameter analytical equipment is connected with parameter obtaining device;
It is characterized in that:
Described parameter obtaining device comprises:
Be connected with tested projector, in order to the color analyzer of the optical parametric of measuring this projector to be measured;
Be connected with the input electrode of LED projection lamp, in order to the current measuring instrument of the current value of measuring this LED projection lamp input electrode;
Be connected with LED projection lamp module, in order to measure the temperature measuring set of this LED projection lamp temperature value;
Described parameter analytical equipment is connected respectively with color analyzer, current measuring instrument, temperature measuring set, according to the optical parameter value of measured projector, the current value of LED projection lamp, the temperature value of LED projection lamp, judge projector's state of projector's user mode.
2. projector according to claim 1 photoelectric test system is characterized in that, described parameter analytical equipment comprises data conversion module, data computation module and the condition judgment module that connects successively:
Data conversion module is converted to digital value with the optical property parameter value of measured projector to be measured, the current value of LED projection lamp and the temperature value of LED projection lamp;
Data computation module according to the described digital value of modular converter, is utilized the table of comparisons, calculates the optical property of projector to be measured, the electrical property of LED projection lamp, the thermal behavior of LED projection lamp;
Condition judgment module according to the optical property of the projector to be measured that calculates, the electrical property of LED projection lamp, the thermal behavior of LED projection lamp, is judged the user mode of projector to be measured.
3. projector according to claim 2 photoelectric test system is characterized in that, described data conversion module comprises:
With the optical property Parameters Transformation of the projector to be measured under different temperatures, the different current/voltage condition is the optical property modular converter of digital value;
The unit for electrical property parameters of the LED projection lamp under different temperatures, the different optical property condition is converted to the electrical property modular converter of digital value;
Thermal behavior Parameters Transformation to the LED projection lamp under different optical properties, the different current/voltage condition is the thermal behavior modular converter of digital value;
The optical property modular converter is connected with color analyzer, and the electrical property modular converter is connected with current measuring instrument, and the thermal behavior modular converter is connected with temperature measuring set;
Optical property modular converter, electrical property modular converter and thermal behavior modular converter are connected respectively with data computation module.
4. projector according to claim 3 photoelectric test system is characterized in that, described optical property parameter is brightness, colour temperature and white point stability, and described unit for electrical property parameters is an electric current, and described thermal behavior parameter is a temperature.
5. projector according to claim 4 photoelectric test system is characterized in that:
Described optical property modular converter is a digital value according to the graph of a relation conversion brightness of projector to be measured brightness and service time, and changing colour temperature according to the graph of a relation of projector's colour temperature and service time is digital value;
Described electrical property modular converter is a digital value according to the graph of a relation switching current of LED projection lamp electric current and service time;
Described thermal behavior modular converter is a digital value according to the graph of a relation inversion temperature of LED projection lamp temperature and service time.
6. projector according to claim 5 photoelectric test system, it is characterized in that, described condition judgment module, according to the optical property of the projector to be measured that data computation module calculated, the electrical property of LED projection lamp, the thermal behavior of LED projection lamp, determine the brightness uniformity of projector, chromaticity stability and serviceable life.
7. according to each described projector photodetector system of claim 1～6, it is characterized in that described tested projector is the projector that one or more LED lamp source combine.
8. according to each described projector photodetector system of claim 1～6, it is characterized in that described test computer provides test required control and test pattern, comprises white, black, redness, green, blueness, GTG.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201026684U CN201615824U (en) | 2010-01-25 | 2010-01-25 | Photo-electricity detecting system of projection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201026684U CN201615824U (en) | 2010-01-25 | 2010-01-25 | Photo-electricity detecting system of projection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201615824U true CN201615824U (en) | 2010-10-27 |
Family
ID=43002191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201026684U Expired - Fee Related CN201615824U (en) | 2010-01-25 | 2010-01-25 | Photo-electricity detecting system of projection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201615824U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147288A (en) * | 2011-01-20 | 2011-08-10 | 广东威创视讯科技股份有限公司 | Auxiliary device for color brightness detection and device for detecting color brightness |
| CN104113719A (en) * | 2014-06-30 | 2014-10-22 | 武汉市安曼特微显示科技有限公司 | Parameter display device of engineering projection system |
| CN105841932A (en) * | 2016-05-25 | 2016-08-10 | 深圳凯世光研股份有限公司 | Light quality testing system for movie theatre projector and application method |
| CN106060490A (en) * | 2015-04-14 | 2016-10-26 | 富士施乐株式会社 | Image generation apparatus, evaluation system, and non-transitory computer readable medium |
| CN110716378A (en) * | 2019-09-30 | 2020-01-21 | 歌尔股份有限公司 | Data burning method and device for light emitting diode, projector and storage medium |
| CN112462158A (en) * | 2019-09-06 | 2021-03-09 | 余姚舜宇智能光学技术有限公司 | Performance test system and method for projection module, test platform device and electronic equipment |
-
2010
- 2010-01-25 CN CN2010201026684U patent/CN201615824U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102147288A (en) * | 2011-01-20 | 2011-08-10 | 广东威创视讯科技股份有限公司 | Auxiliary device for color brightness detection and device for detecting color brightness |
| CN102147288B (en) * | 2011-01-20 | 2013-04-10 | 广东威创视讯科技股份有限公司 | Auxiliary device for color brightness detection and device for detecting color brightness |
| CN104113719A (en) * | 2014-06-30 | 2014-10-22 | 武汉市安曼特微显示科技有限公司 | Parameter display device of engineering projection system |
| CN106060490A (en) * | 2015-04-14 | 2016-10-26 | 富士施乐株式会社 | Image generation apparatus, evaluation system, and non-transitory computer readable medium |
| CN106060490B (en) * | 2015-04-14 | 2018-06-22 | 富士施乐株式会社 | Video generation device, evaluation system and image generating method |
| CN105841932A (en) * | 2016-05-25 | 2016-08-10 | 深圳凯世光研股份有限公司 | Light quality testing system for movie theatre projector and application method |
| CN105841932B (en) * | 2016-05-25 | 2018-05-01 | 深圳凯世光研股份有限公司 | The light quality test system and its application method of a kind of cinema projector |
| CN112462158A (en) * | 2019-09-06 | 2021-03-09 | 余姚舜宇智能光学技术有限公司 | Performance test system and method for projection module, test platform device and electronic equipment |
| CN110716378A (en) * | 2019-09-30 | 2020-01-21 | 歌尔股份有限公司 | Data burning method and device for light emitting diode, projector and storage medium |
| CN110716378B (en) * | 2019-09-30 | 2021-07-13 | 歌尔光学科技有限公司 | Data burning method and device for light emitting diode, projector and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201615824U (en) | Photo-electricity detecting system of projection machine | |
| CN102937810B (en) | Device and method for testing DCS (distributed control system) response time | |
| CN202255835U (en) | Aging life testing system for light source | |
| CN201069389Y (en) | Photoelectric color recognition testing instrument | |
| CN101571451A (en) | Device for continuously detecting integrative luminescence properties of light emitting diode (LED) light source | |
| CN103293152A (en) | A method and an apparatus for end point detection in titration analysis | |
| CN103713253B (en) | Illuminance, colourity, the detection method of junction temperature decay characteristic in LED | |
| CN104459604B (en) | Automatic tester applied to intelligent ammeter production line | |
| CN105675148B (en) | A kind of standard sources observes color the light source calibration detection method of case | |
| CN105353292A (en) | Automatic detection device of circuit board of electric energy meter | |
| CN104459507A (en) | Multi-channel detecting system for detecting optical performance of LED chip | |
| CN104700759A (en) | Device and method for analyzing brightness spectrum of display panel | |
| CN105510796A (en) | Automatic tester applied to smart electric meter production line | |
| CN204463781U (en) | Display panel luminance spectrum analytical equipment | |
| CN103278781B (en) | Electric characteristic analyzer for a pulse xenon lamp | |
| Steiner et al. | ANIST testbed for examining the accuracy of smart meters under high harmonic waveform loads | |
| US8896317B2 (en) | Lighting unit with compensation for output frequency, and method for determining output frequency | |
| CN201600237U (en) | Light source test device | |
| CN203968448U (en) | A kind of intelligent LED street lamp network electric power monitoring repaying system | |
| CN102854435B (en) | High-temperature electric leakage testing system for diodes | |
| CN113532803A (en) | Detection device and method for color temperature, brightness and power of pipeline display | |
| CN204228934U (en) | A kind of LED chip testing and analysis system | |
| CN208505573U (en) | A kind of LED magnitude tracing light parameter and standard aging monitoring device | |
| TWI356289B (en) | Device and method for providing dynamic light stan | |
| CN105258924A (en) | Comprehensive tester for LED light |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20170125 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |