CN102707244A - Performance test system for miniature switching power supply - Google Patents
Performance test system for miniature switching power supply Download PDFInfo
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- CN102707244A CN102707244A CN2012101607277A CN201210160727A CN102707244A CN 102707244 A CN102707244 A CN 102707244A CN 2012101607277 A CN2012101607277 A CN 2012101607277A CN 201210160727 A CN201210160727 A CN 201210160727A CN 102707244 A CN102707244 A CN 102707244A
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Abstract
The invention discloses a performance test system for a miniature switching power supply. A CPU (central processing unit) processing chip of the performance test system for the miniature switching power supply is connected with a display unit, a digital computer, a test system setting unit and a signal testing and converting unit; a path of input point of the signal testing and converting unit is connected to an output point of a tested switching power supply and a power supply of the test system through a linked switch K1, the other path of the input point of the signal testing and converting unit is connected to an electronic load through a linked switch K2, the other output point of the tested switching power supply is connected to the electronic load through the linked switch K2, and the electronic load is provided with a GND (ground) wiring point connected to the GND. Through the mode, the performance test system for the miniature switching power supply can automatically test products in cooperation with the database management and sharing of a computer, and has the advantages of good reliability, high efficiency, convenience for data management, relatively low manufacturing cost and good application prospect.
Description
Technical field
The present invention relates to the detection of electrons field, particularly relate to a kind of switchette power source performance test macro.
Background technology
The development of Switching Power Supply market and China's industry-by-industry has confidential relation, and key industry demonstrates developing state smoothly and faster under the pulling of China's Macroscopic economy.Especially the state that grows steadily has also appearred in switchette power supply market in recent years.The Switching Power Supply product is owing to the special type of its industry, and the user has very high requirement to Product Safety, stability.So it is essential that the performance index of product export detect.The traditional test mode of switchette power supply is had operating personnel according to the test specification manual test, and record data are judged quality; So random big, efficient is low, data statistics is complicated; Also have and adopt expensive Switching Power Supply tester to be not suitable for the test to simple products, cost performance is very poor.
Summary of the invention
The technical matters that the present invention mainly solves provides a kind of switchette power source performance test macro, can combine computing machine data base administration, share, realize the automatic test of product; Good reliability, efficient is high, and data management is convenient; Manufacturing cost is lower, and good prospects for application is arranged.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of switchette power source performance test macro is provided; This switchette power source performance test macro comprises CPU process chip, display unit, data computer, test macro setup unit, signal testing conversion unit, test macro power supply and electronic load, is connected with display unit, data computer, test macro setup unit and signal testing conversion unit through data line on the said CPU process chip; Signal testing conversion unit one tunnel input point is connected to the output point and the test macro power supply of Switching Power Supply to be tested through coupled switch K1; Another road input point of signal testing conversion unit is connected to electronic load through coupled switch K2; Another output point of Switching Power Supply to be tested is connected to electronic load through coupled switch K2, and electronic load is provided with the GND wiring point and is connected to GND.
Preferably, said data computer is provided with data comparison storehouse.
The invention has the beneficial effects as follows: a kind of switchette power source performance of the present invention test macro, can combine computing machine data base administration, share, realize the automatic test of product; Good reliability, efficient is high, and data management is convenient; Manufacturing cost is lower, and good prospects for application is arranged.
Description of drawings
Fig. 1 is the structural representation of a preferred embodiment of a kind of switchette power source performance of the present invention test macro.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that the advantage of invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 1, the embodiment of the invention comprises:
A kind of switchette power source performance test macro; This switchette power source performance test macro comprises CPU process chip 2, display unit 3, data computer 5, test macro setup unit 4, signal testing conversion unit 1, test macro power supply 6 and electronic load 7, is connected with display unit 3, data computer 5, test macro setup unit 4 and signal testing conversion unit 1 through data line on the said CPU process chip 2; Signal testing conversion unit 1 one tunnel input point is connected to the output point and the test macro power supply 6 of Switching Power Supply 8 to be tested through coupled switch K1 61; Signal testing conversion unit 1 another road input point is connected to electronic load 7 through coupled switch K2 71; Another output point of Switching Power Supply 8 to be tested is connected to electronic load 7 through coupled switch K2 71, and electronic load 7 is provided with the GND wiring point and is connected to GND; Said data computer 5 is provided with data comparison storehouse.
The method of work of a kind of switchette power source performance of the present invention test macro is: detect quilt in real time
Survey electric power output voltage, tested power source voltage is transformed into the suitable gear of cpu test through electronic switch; According to setting, through CPU electronic load is set to reasonable range, detection electric power output voltage, electric current calculate the load regulation of power supply according to formula; Detect electric current, the voltage of power input through power chip, the power when detecting the specified output of power supply is calculated the efficient of tested power supply in conjunction with the input and output power meter; Transform chip through high-speed AD output ripple voltage, the noise of power supply are sent into CPU and compared, whether see conformance with standard, do not meet and show defective warning; Over-voltage protecting function, output short circuit protection are arranged, prevent that defective power supply output too high voltages, big electric current from damaging testing apparatus; Can set different test parameters according to different product.Mainly contain output voltage range parameter, output load regulation parameter, efficiency parameters, output ripple voltage parameter; Can the parameter of the parameter of test process, setting, warning message etc. be shown through display unit.
A kind of switchette power source performance of the present invention test macro, can combine computing machine data base administration, share, realize the automatic test of product, good reliability, efficient is high, data management is convenient, manufacturing cost is lower, and good prospects for application is arranged.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes instructions of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (2)
1. switchette power source performance test macro; It is characterized in that: this switchette power source performance test macro comprises CPU process chip, display unit, data computer, test macro setup unit, signal testing conversion unit, test macro power supply and electronic load, is connected with display unit, data computer, test macro setup unit and signal testing conversion unit through data line on the said CPU process chip; Signal testing conversion unit one tunnel input point is connected to the output point and the test macro power supply of Switching Power Supply to be tested through coupled switch K1; Another road input point of signal testing conversion unit is connected to electronic load through coupled switch K2; Another output point of Switching Power Supply to be tested is connected to electronic load through coupled switch K2, and electronic load is provided with the GND wiring point and is connected to GND.
2. a kind of switchette power source performance test macro according to claim 1 is characterized in that: said data computer is provided with data comparison storehouse.
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CN2012101607277A CN102707244A (en) | 2012-05-23 | 2012-05-23 | Performance test system for miniature switching power supply |
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CN2012101607277A CN102707244A (en) | 2012-05-23 | 2012-05-23 | Performance test system for miniature switching power supply |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104155615A (en) * | 2014-07-11 | 2014-11-19 | 苏州市职业大学 | Computer power failure detecting instrument |
CN104678328A (en) * | 2015-03-26 | 2015-06-03 | 石家庄迪龙科技有限公司 | Full-automatic comprehensive power supply detector |
CN105527584A (en) * | 2015-12-01 | 2016-04-27 | 中国航空工业集团公司洛阳电光设备研究所 | Power supply module test device |
CN106646273A (en) * | 2017-02-22 | 2017-05-10 | 郑州云海信息技术有限公司 | Switching power supply performance test method, system and device |
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CN201373911Y (en) * | 2009-02-23 | 2009-12-30 | 深圳市联欣科技有限公司 | Integrated test system for switch power source |
CN101806869A (en) * | 2010-03-22 | 2010-08-18 | 株洲南车时代电气股份有限公司 | General-purpose automatic test system for locomotive switching power supply and method thereof |
CN201698013U (en) * | 2010-02-01 | 2011-01-05 | 鸿富锦精密工业(深圳)有限公司 | DC power supply testing device |
US7930579B2 (en) * | 2006-11-27 | 2011-04-19 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Voltage test circuit for computer power supply |
CN201955457U (en) * | 2010-12-09 | 2011-08-31 | 西安中科麦特电子技术设备有限公司 | Novel LED switching power supply test system |
CN202854306U (en) * | 2012-05-23 | 2013-04-03 | 苏州市职业大学 | Small switching power supply performance test system |
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2012
- 2012-05-23 CN CN2012101607277A patent/CN102707244A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US7930579B2 (en) * | 2006-11-27 | 2011-04-19 | Hong Fu Jin Precision Industry (Shenzhen) Co., Ltd. | Voltage test circuit for computer power supply |
CN201373911Y (en) * | 2009-02-23 | 2009-12-30 | 深圳市联欣科技有限公司 | Integrated test system for switch power source |
CN201698013U (en) * | 2010-02-01 | 2011-01-05 | 鸿富锦精密工业(深圳)有限公司 | DC power supply testing device |
CN101806869A (en) * | 2010-03-22 | 2010-08-18 | 株洲南车时代电气股份有限公司 | General-purpose automatic test system for locomotive switching power supply and method thereof |
CN201955457U (en) * | 2010-12-09 | 2011-08-31 | 西安中科麦特电子技术设备有限公司 | Novel LED switching power supply test system |
CN202854306U (en) * | 2012-05-23 | 2013-04-03 | 苏州市职业大学 | Small switching power supply performance test system |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104155615A (en) * | 2014-07-11 | 2014-11-19 | 苏州市职业大学 | Computer power failure detecting instrument |
CN104678328A (en) * | 2015-03-26 | 2015-06-03 | 石家庄迪龙科技有限公司 | Full-automatic comprehensive power supply detector |
CN104678328B (en) * | 2015-03-26 | 2018-01-12 | 石家庄迪龙科技有限公司 | Full-automatic power supply comprehensive detector |
CN105527584A (en) * | 2015-12-01 | 2016-04-27 | 中国航空工业集团公司洛阳电光设备研究所 | Power supply module test device |
CN106646273A (en) * | 2017-02-22 | 2017-05-10 | 郑州云海信息技术有限公司 | Switching power supply performance test method, system and device |
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Application publication date: 20121003 |