CN202854306U - Small switching power supply performance test system - Google Patents
Small switching power supply performance test system Download PDFInfo
- Publication number
- CN202854306U CN202854306U CN 201220232429 CN201220232429U CN202854306U CN 202854306 U CN202854306 U CN 202854306U CN 201220232429 CN201220232429 CN 201220232429 CN 201220232429 U CN201220232429 U CN 201220232429U CN 202854306 U CN202854306 U CN 202854306U
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- power supply
- test system
- switching power
- performance test
- electronic load
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Abstract
The utility model discloses a small switching power supply performance test system. A CPU processing chip of the small switching power supply performance test system is connected with a display unit, a data computer, a test system setting unit and a signal testing and conversion unit through data lines. An input point of one pathway of the signal testing and conversion unit is connected to an output point of a tested switching power supply and a test system power supply through a linked switch K1. An input point of the other pathway of the signal testing and conversion 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. The electronic load is provided with a GND wiring point connected to GND. Through the above mode, with the combination of database management and sharing of a computer, automated testing of a product is realized. The small switching power supply performance test system has advantages of good reliability, high efficiency, convenient data management and low manufacturing cost, and has a good application prospect.
Description
Technical field
The utility model relates to the detection of electrons field, particularly relates to a kind of mini-switch power source Performance Test System.
Background technology
The development of Switching Power Supply market and China's industry-by-industry has close relationship, and key industry presents developing state smoothly and faster under the pulling of China's Macroscopic economy.Especially the state that grows steadily has also appearred in mini-switch power source 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 mini-switch power source is had operating personnel according to the test specification manual test, and record data are judged quality, so random large, efficient is low, data statistics is complicated, also have and adopt expensive Switching Power Supply tester to be not suitable for test to simple products, cost performance is very poor.
Summary of the invention
The technical matters that the utility model mainly solves provides a kind of mini-switch power source Performance Test System, can be in conjunction with the data base administration of computing machine, share, realize the automatic test of product, good reliability, efficient is high, and data management is convenient, manufacturing cost is lower, and good application prospect is arranged.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of mini-switch power source Performance Test System is provided, this mini-switch power source Performance Test System 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 by data line on the described CPU process chip; Signal testing conversion unit one tunnel input point is connected to output point and the test macro power supply of tested Switching Power Supply by coupled switch K1, another road input point of signal testing conversion unit is connected to electronic load by coupled switch K2, another output point of tested Switching Power Supply is connected to electronic load by coupled switch K2, and electronic load is provided with the GND wiring point and is connected to GND.
Preferably, described data computer is provided with the comparing storehouse.
The beneficial effects of the utility model are: a kind of mini-switch power source Performance Test System of the utility model, can be in conjunction with the data base administration of computing machine, share, and realize the automatic test of product, good reliability, efficient is high, and data management is convenient, manufacturing cost is lower, and good application prospect is arranged.
Description of drawings
Fig. 1 is the structural representation of a preferred embodiment of a kind of mini-switch power source Performance Test System of the utility model.
Embodiment
Preferred embodiment is described in detail to the utility model below in conjunction with accompanying drawing, thereby so that the advantage of utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection domain of the present utility model is made more explicit defining.
See also Fig. 1, the utility model embodiment comprises:
A kind of mini-switch power source Performance Test System, this mini-switch power source Performance Test System 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 by data line on the described CPU process chip 2; Signal testing conversion unit 1 one tunnel input point is connected to output point and the test macro power supply 6 of tested Switching Power Supply 8 by coupled switch K1 61, signal testing conversion unit 1 another road input point is connected to electronic load 7 by coupled switch K2 71, another output point of tested Switching Power Supply 8 is connected to electronic load 7 by coupled switch K2 71, and electronic load 7 is provided with the GND wiring point and is connected to GND; Described data computer 5 is provided with the comparing storehouse.
The method of work of a kind of mini-switch power source Performance Test System of the utility model is: detect in real time quilt
Survey electric power output voltage, by electronic switch with the voltage transitions of tested power supply to the suitable gear of cpu test; According to setting, by CPU electronic load is set to rational scope, 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 by power chip, the power when detecting the specified output of power supply calculates the efficient of tested power supply in conjunction with input-output power; Transform chip by high-speed AD output ripple voltage, the noise of power supply are sent into CPU and compared, see whether meet standard, do not meet the defective warning of demonstration; Over-voltage protecting function, output short circuit protection are arranged, prevent that defective power supply output too high voltages, large 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; The parameter of the parameter of test process, setting, warning message etc. can be shown by display unit.
A kind of mini-switch power source Performance Test System of the utility model can be in conjunction with the data base administration of computing machine, share, and realizes the automatic test of product, good reliability, and efficient is high, and data management is convenient, and manufacturing cost is lower, and good application prospect is arranged.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to do; 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 utility model.
Claims (1)
1. mini-switch power source Performance Test System, it is characterized in that: this mini-switch power source Performance Test System 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 by data line on the described CPU process chip; Signal testing conversion unit one tunnel input point is connected to output point and the test macro power supply of tested Switching Power Supply by coupled switch K1, another road input point of signal testing conversion unit is connected to electronic load by coupled switch K2, another output point of tested Switching Power Supply is connected to electronic load by coupled switch K2, and electronic load is provided with the GND wiring point and is connected to GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220232429 CN202854306U (en) | 2012-05-23 | 2012-05-23 | Small switching power supply performance test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220232429 CN202854306U (en) | 2012-05-23 | 2012-05-23 | Small switching power supply performance test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202854306U true CN202854306U (en) | 2013-04-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220232429 Expired - Fee Related CN202854306U (en) | 2012-05-23 | 2012-05-23 | Small switching power supply performance test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202854306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707244A (en) * | 2012-05-23 | 2012-10-03 | 苏州市职业大学 | Performance test system for miniature switching power supply |
-
2012
- 2012-05-23 CN CN 201220232429 patent/CN202854306U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707244A (en) * | 2012-05-23 | 2012-10-03 | 苏州市职业大学 | Performance test system for miniature switching power supply |
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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: 20130403 Termination date: 20150523 |
|
| EXPY | Termination of patent right or utility model |