CN102478642A - LED street-lamp high-temperature environment test control system - Google Patents
LED street-lamp high-temperature environment test control system Download PDFInfo
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- CN102478642A CN102478642A CN2010105616204A CN201010561620A CN102478642A CN 102478642 A CN102478642 A CN 102478642A CN 2010105616204 A CN2010105616204 A CN 2010105616204A CN 201010561620 A CN201010561620 A CN 201010561620A CN 102478642 A CN102478642 A CN 102478642A
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Abstract
The invention discloses an LED street-lamp high-temperature environment test control system. The system comprises: a temperature detection device, an electric heater and a fan, a control valve assembly, a controller and a man-machine interface, wherein the temperature detection device detects temperature in a high temperature environment test box; the electric heater and a fan are installed on a circulation channel through which cold air or hot air can be sent to the high temperature environment test box in a cyclic and continuous manner; the control valve assembly carries out switching control to the cold air or the hot air sent to the high temperature environment test box through the circulation channel; the controller controls the electric heater, the fan, the control valve assembly and a street lamp power supply of a tested LED street lamp respectively and synchronously; the man-machine interface is connected with the controller; the electric heater, the fan, the control valve assembly, the street lamp power supply and the temperature detection device are all connected with the controller. The system is in a simple structure. Laying is convenient. Operation is simple and usage effect is good. The test effect is visual. A high temperature aging test can be automatically performed to the LED street lamp so that reliability of the tested LED street lamp can be increased and the service life of the tested LED street lamp can be prolonged.
Description
Technical field
The invention belongs to LED street lamp hot test technical field, especially relate to a kind of LED street lamp hot environment experiment control system.
Background technology
The LED street lamp often is in the hot environment when energising work, and therefore the stability in hot environment is one of key factor that influences LED street lamp reliability.And the high low temperature aging test of electronic product is to get rid of electronic product initial failure, the necessary means of control product quality.The homogeneity of Temperature Distribution is the important technology index of burn-in chamber in the burn-in chamber, with directly influencing the aging result who is placed on electronic product in the different burn-in chambers zone.At present; The electronic product burn-in chamber of domestic a lot of enterprises; The scope that its temperature control system detected only is certain any temperature in the burn-in chamber; Thereby be difficult to solve the even practical problems of temperature distributing disproportionation in the burn-in chamber, thereby influenced the test effect of the high low temperature aging test of electronic product greatly.
Summary of the invention
Technical matters to be solved by this invention is to above-mentioned deficiency of the prior art; A kind of LED street lamp hot environment experiment control system is provided; It is simple in structure, laying is convenient, use is easy and simple to handle and result of use is good, the test effect is directly perceived, testing efficiency is high; Can accomplish automatically the test of the high-temperature circulation test of LED street lamp, improving the reliability of LED street lamp to be tested, and prolong the serviceable life of LED street lamp to be tested.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of LED street lamp hot environment experiment control system; It is characterized in that: comprise temperature-detecting device that the temperature in the hot environment chamber is detected in real time, be installed in circulation and constantly in the hot environment chamber, send into electric heater and blower fan on the circulation passage of cold wind or hot blast, be installed on the said circulation passage and carry out the operation valve group of switching controls, the controller of respectively road lamp power supply of electric heater, blower fan, operation valve group and LED street lamp to be tested being controlled synchronously and the human-computer interaction interface that joins with said controller that said electric heater, blower fan, operation valve group, road lamp power supply and said temperature-detecting device all join with said controller in the hot environment chamber, import cold wind or hot blast through circulation passage.
Above-mentioned LED street lamp hot environment experiment control system, it is characterized in that: said controller is a Programmable Logic Controller.
Above-mentioned LED street lamp hot environment experiment control system; It is characterized in that: said Programmable Logic Controller comprises CPU control module and the temperature data acquisition interface module, digital quantity input/output module and the analog quantity input/output module that join with the CPU control module respectively; Said temperature-detecting device and temperature data acquisition interface module are joined, and said electric heater, blower fan, operation valve group and road lamp power supply all join with the digital quantity input/output module.
Above-mentioned LED street lamp hot environment experiment control system, it is characterized in that: said temperature-detecting device is a thermopair.
Above-mentioned LED street lamp hot environment experiment control system is characterized in that: also comprise the printer that joins with said controller and controlled by said controller.
The present invention compared with prior art has the following advantages:
1, simple in structure, cost is low and each assembly is easy for installation.
2, use easy and simple to handle and the realization convenience; Use easy and simple to handle and the realization convenience; Its control section mainly comprises controller and two chief components of man machine operation interface; Its middle controller is connected with relevant device in the LED street lamp hot environment test unit through interface module, receives the parameter that operating personnel set through man-machine interface simultaneously, controls carrying out automatically of whole high temperature test process; Human-computer interaction interface and controller communication, the test parameter that operating personnel are set sends controller to, and the important parameter in the collecting test process stores test parameter database into and forms report output simultaneously.In addition, operating personnel can also and revise testing process through the current test mode of human-computer interaction interface real time inspection.This system main cooperated with LED street lamp hot environment test unit is realized the high temperature ageing test of LED street lamp.
3, result of use is good and practical value is high; Major function of the present invention is carried out the high temperature ageing test to LED street lamp to be tested exactly; In time find LED street lamp problem in this respect; Improve so that take measures, to improve the performance of LED street lamp, the reliability and the serviceable life of improving LED street lamp to be tested.
In sum; The present invention is simple in structure, laying is convenient, use is easy and simple to handle and result of use is good, the test effect is directly perceived, testing efficiency is high; Can accomplish high-temperature circulation test test automatically to the LED street lamp; Improving the reliability of LED street lamp to be tested, and prolong the serviceable life of LED street lamp to be tested.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is a schematic block circuit diagram of the present invention.
Fig. 2 is the schematic block circuit diagram of Programmable Logic Controller of the present invention.
Description of reference numerals:
The 1-electric heater; The 2-blower fan; 3-operation valve group;
The 4-human-computer interaction interface; The 5-Programmable Logic Controller; The 5-1-CPU control module;
5-2-temperature data acquisition interface 5-3-digital quantity I/O 5-4-analog quantity input/defeated
Module; Module; Go out module;
The 6-road lamp power supply; The 7-thermopair; The 8-printer;
Embodiment
As shown in Figure 1; The present invention includes temperature-detecting device that the temperature in the hot environment chamber is detected in real time, be installed in circulation and constantly in the hot environment chamber, send into electric heater 1 and blower fan 2 on the circulation passage of cold wind or hot blast, be installed on the said circulation passage and carry out the operation valve group 3 of switching controls, the controller of respectively road lamp power supply 6 of electric heater 1, blower fan 2, operation valve group 3 and LED street lamp to be tested being controlled synchronously and the human-computer interaction interface 4 that joins with said controller in the hot environment chamber, import cold wind or hot blast through circulation passage, said electric heater 1, blower fan 2, operation valve group 3, road lamp power supply 6 and said temperature-detecting device all join with said controller.
In the present embodiment, said controller is a Programmable Logic Controller 5.
In conjunction with Fig. 2; Said Programmable Logic Controller 5 comprises CPU control module 5-1 and the temperature data acquisition interface module 5-2, digital quantity input/output module 5-3 and the analog quantity input/output module 5-4 that join with CPU control module 5-1 respectively; Said temperature-detecting device and temperature data acquisition interface module 5-2 join, and said electric heater 1, blower fan 2, operation valve group 3 and road lamp power supply 6 all join with digital quantity input/output module 5-3.In the present embodiment, said temperature-detecting device is a thermopair 7.Simultaneously, the present invention also comprises the printer 8 that joins with said controller and controlled by said controller.
To sum up, control section of the present invention mainly comprises controller and 4 two chief components of human-computer interaction interface.Said controller through interface module respectively with the chamber of LED street lamp hot environment in relevant device be connected, mainly comprise the road lamp power supply 6 of thermopair 7, electric heater 1, blower fan 2, operation valve group 3 and LED street lamp to be tested etc.In the practical work process, controller receives the parameter that operating personnel set through human-computer interaction interface 4, and according to each parts in the setup parameter control total system, realizes carrying out automatically of high temperature test process.Said human-computer interaction interface 4 carries out both-way communication with controller, and the test parameter that operating personnel are set sends controller to, and the important parameter in the collecting test process stores test parameter database into and forms report output simultaneously.In addition, operating personnel can also and revise testing process through the current test mode of human-computer interaction interface 4 real time inspections.
In the process of the test, after opening through controller control blower fan 2, can realize the air-flow circulation of total system; After opening electric heater 1, can hot blast be provided for system; Can gather the environment temperature in the hot environment chamber in real time through thermopair 8, and institute's detected temperatures information synchronization is sent to controller; Said controller switches between cold wind and hot blast according to the setting value control operation valve group of setting through human-computer interaction interface 43, makes the interior temperature of hot environment chamber reach the temperature of setting; Simultaneously, said controller is controlled the road lamp power supply 6 of LED street lamp to be tested, for LED street lamp to be tested powers on and it is started working.
Thereby in test process, operating personnel can send the test parameter of setting to Programmable Logic Controller 5 (being said controller), and the important parameter in the collecting test process stores test parameter database into and forms report output simultaneously.In addition, operating personnel can also and revise testing process through the current test mode of man-machine interface real time inspection.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (5)
1. LED street lamp hot environment experiment control system; It is characterized in that: comprise temperature-detecting device that the temperature in the hot environment chamber is detected in real time, be installed in circulation and constantly in the hot environment chamber, send into electric heater (1) and blower fan (2) on the circulation passage of cold wind or hot blast, be installed on the said circulation passage and carry out the operation valve group (3) of switching controls, the controller of respectively road lamp power supply (6) of electric heater (1), blower fan (2), operation valve group (3) and LED street lamp to be tested being controlled synchronously and the human-computer interaction interface (4) that joins with said controller that said electric heater (1), blower fan (2), operation valve group (3), road lamp power supply (6) and said temperature-detecting device all join with said controller in the hot environment chamber, import cold wind or hot blast through circulation passage.
2. according to the described LED street lamp of claim 1 hot environment experiment control system, it is characterized in that: said controller is Programmable Logic Controller (5).
3. according to the described LED street lamp of claim 2 hot environment experiment control system; It is characterized in that: said Programmable Logic Controller (5) comprises CPU control module (5-1) and the temperature data acquisition interface module (5-2), digital quantity input/output module (5-3) and the analog quantity input/output module (5-4) that join with CPU control module (5-1) respectively; Said temperature-detecting device and temperature data acquisition interface module (5-2) are joined, and said electric heater (1), blower fan (2), operation valve group (3) and road lamp power supply (6) all join with digital quantity input/output module (5-3).
4. according to claim 1,2 or 3 described LED street lamp hot environment experiment control systems, it is characterized in that: said temperature-detecting device is thermopair (7).
5. according to claim 1,2 or 3 described LED street lamp hot environment experiment control systems, it is characterized in that: also comprise the printer (8) that joins with said controller and control by said controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010105616204A CN102478642A (en) | 2010-11-27 | 2010-11-27 | LED street-lamp high-temperature environment test control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105616204A CN102478642A (en) | 2010-11-27 | 2010-11-27 | LED street-lamp high-temperature environment test control system |
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| CN102478642A true CN102478642A (en) | 2012-05-30 |
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| CN2010105616204A Pending CN102478642A (en) | 2010-11-27 | 2010-11-27 | LED street-lamp high-temperature environment test control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549526A (en) * | 2016-02-02 | 2016-05-04 | 江苏拓米洛环境试验设备有限公司 | Intelligent programmable servo precisely feeding image environment test controller |
| CN105974334A (en) * | 2016-08-02 | 2016-09-28 | 惠勇 | Testing system for LED lamp drive power source |
| CN111198043A (en) * | 2020-03-09 | 2020-05-26 | 国家电光源质量监督检验中心(北京) | Automatic acquisition system and method for thermal test data of lighting equipment |
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| JPH08122159A (en) * | 1994-10-20 | 1996-05-17 | Ishikawajima Harima Heavy Ind Co Ltd | Test piece temperature controller of ultra-high-temperature strength testing machine |
| US20040050075A1 (en) * | 2002-09-16 | 2004-03-18 | King Eddie W. | Systems and methods for temperature control in refrigeration systems and heating systems |
| CN200990028Y (en) * | 2006-09-22 | 2007-12-12 | 梁贵文 | Temperature and humidity observing and controlling system for tea preparation |
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| CN201464934U (en) * | 2009-05-08 | 2010-05-12 | 深圳市德泽能源科技有限公司 | Aging room temperature automatic control circuit |
| CN101749827A (en) * | 2008-12-19 | 2010-06-23 | 比亚迪股份有限公司 | Environmental control system and method |
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2010
- 2010-11-27 CN CN2010105616204A patent/CN102478642A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08122159A (en) * | 1994-10-20 | 1996-05-17 | Ishikawajima Harima Heavy Ind Co Ltd | Test piece temperature controller of ultra-high-temperature strength testing machine |
| US20040050075A1 (en) * | 2002-09-16 | 2004-03-18 | King Eddie W. | Systems and methods for temperature control in refrigeration systems and heating systems |
| CN200990028Y (en) * | 2006-09-22 | 2007-12-12 | 梁贵文 | Temperature and humidity observing and controlling system for tea preparation |
| CN101231021A (en) * | 2008-02-13 | 2008-07-30 | 袁宣贵 | Humiture automatic control device and method |
| CN101749827A (en) * | 2008-12-19 | 2010-06-23 | 比亚迪股份有限公司 | Environmental control system and method |
| CN201464934U (en) * | 2009-05-08 | 2010-05-12 | 深圳市德泽能源科技有限公司 | Aging room temperature automatic control circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105549526A (en) * | 2016-02-02 | 2016-05-04 | 江苏拓米洛环境试验设备有限公司 | Intelligent programmable servo precisely feeding image environment test controller |
| CN105974334A (en) * | 2016-08-02 | 2016-09-28 | 惠勇 | Testing system for LED lamp drive power source |
| CN111198043A (en) * | 2020-03-09 | 2020-05-26 | 国家电光源质量监督检验中心(北京) | Automatic acquisition system and method for thermal test data of lighting equipment |
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Application publication date: 20120530 |