CN104678328B - Full-automatic power supply comprehensive detector - Google Patents
Full-automatic power supply comprehensive detector Download PDFInfo
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- CN104678328B CN104678328B CN201510134119.2A CN201510134119A CN104678328B CN 104678328 B CN104678328 B CN 104678328B CN 201510134119 A CN201510134119 A CN 201510134119A CN 104678328 B CN104678328 B CN 104678328B
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- power supply
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Abstract
The invention provides a kind of full-automatic power supply comprehensive detector, including three-phase four-wire system power supply, U2 elementary sources, load, relay, MCU processors, power module, oscillograph, buzzer.U2 elementary sources, load, the input of MCU processors and power module are connected with three-phase four-wire system power supply, oscillograph and load outputs are connected with power supply to be measured, MCU processor output ends are connected with buzzer, and MCU processors are connected by 232 turn of 485 communication module of the first RS with load.The present invention is simple to operate, test specification, saving manpower, greatly improves operating efficiency and accuracy of detection.The indexs such as the output current of power supply to be measured, input current, output voltage, waveform can be tested simultaneously；Wherein output current, input current, output voltage data target can be transferred to computer by MCU processors, that is, realize the remote testing of power supply to be measured.
Description
Technical field
The invention belongs to electricity field, is related to power detector, is specifically related to a kind of full-automatic power supply comprehensive detector.
Background technology
At present, as green Rechargeable vehicle develops rapidly, heart therein --- switching regulator conversion electric power is because of it
The advantages that power density is big, efficiency high, more defencive function, is widely used in many fields.Because switching regulator changes electricity
The indices such as output current of the source when dispatching from the factory, input current are required for being detected, conventional method be usually it is artificial item by item
Test.Heavy Detection task not only needs substantial amounts of operating personnel, cost high, and operating efficiency is low.
The content of the invention
The present invention devises a kind of full-automatic power supply comprehensive detector, suitable for electricity for overcome the deficiencies in the prior art
The automatic detection of source module, a variety of DC/DC modular power sources can be detected.
The present invention is to realize that the technical scheme that goal of the invention uses is：Full-automatic power supply comprehensive detector, including three-phase four
Line power supply, U2 elementary sources, load, relay, MCU processors, power module, oscillograph, buzzer, the U2 elementary sources,
The input of load, MCU processors and power module is connected with three-phase four-wire system power supply, the oscillograph and load outputs
It is connected with power supply to be measured, the positive pole of U2 bases source output terminal is connected with relay input, negative pole and power supply phase to be measured
Even, the relay output end is connected with power supply to be measured, output loop is connected with MCU processors, the MCU processors output end
It is connected with buzzer, the MCU processors turn 485 communication modules by the first RS-232 and are connected with load.
The detector also includes computer, and the computer turns 485 communication modules and MCU processing by the 2nd RS-232
Device is connected.
The oscillograph output end is connected by USB line with computer.
The negative pole of the U2 elementary sources and load outputs is connected to the first current divider and the second current divider, and described
One current divider and the second current divider output end are connected with the 2nd RS-232 turns of 485 communication modules and MCU processors respectively.
The detector also includes input current table, and the input current table turns 485 communication moulds by the 2nd RS-232
The RS485 buses of block are connected with the first current divider and MCU processors.
The detector also includes output current table, and the output current table turns 485 communication moulds by the 2nd RS-232
The RS485 buses of block are connected with the first current divider and MCU processors.
The detector also includes input voltage table, and the input voltage table turns 485 communication moulds by the 2nd RS-232
The RS485 buses of block are connected with the first current divider and MCU processors.
The detector includes the fan control circuitry containing temperature sensor.
Beneficial effects of the present invention are：The output current of power supply to be measured, input current, output voltage, ripple can be tested simultaneously
The indexs such as shape；Wherein output current, input current, input voltage data target can be transmitted these indexs by RS485 buses
MCU processors are given, MCU processors turn 485 communication modules by RS-232 again and above index is transferred into computer, and oscillograph leads to
Cross USB line and Wave data is transferred to computer, that is, realize the remote testing of power supply to be measured.Qualified shape during power supply test
The sound that condition is sent by buzzer shows.Fan control circuitry containing temperature sensor, when detector temperature reaches pre-
During definite value, fan starts to rotate, and to reduce the internal temperature of detector, ensures detector normal operation.The present invention it is simple to operate,
Test specification, manpower is saved, greatly improve operating efficiency and accuracy of detection.
Brief description of the drawings
Fig. 1 is electrical block diagram of the present invention.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in figure 1, full-automatic power supply comprehensive detector, including three-phase four-wire system power supply, U2 elementary sources, load, relay
Device K, MCU processor, power module, oscillograph, buzzer BZ, computer.The U2 elementary sources, load, MCU processors and electricity
The input of source module is connected with three-phase four-wire system power supply, and oscillograph and load outputs are connected with power supply to be measured, U2 bases
The positive pole of plinth source output terminal is connected with relay input, negative pole is connected with power supply to be measured, relay K output ends and power supply to be measured
Connected, output loop is connected with MCU processors, and MCU processors output end is connected with buzzer BZ, and MCU processors are by first
RS-232 turns 485 communication modules and is connected with load.
Computer turns 485 communication modules by the 2nd RS-232 and is connected with MCU processors.Oscillograph output end is by USB
Line is connected with computer.The negative pole of U2 elementary sources and load outputs is connected to the first current divider and the second current divider, institute
The first current divider and the second current divider output end is stated to be connected with the 2nd RS-232 turns of 485 communication modules and MCU processors respectively.
Detector also includes input current table, output current table, input voltage table, the input current table, output electricity
Flow table, input voltage table turn RS485 buses and the first current divider and the MCU processing of 485 communication modules by the 2nd RS-232
Device is connected.
Detector includes the fan control circuitry containing temperature sensor.
During specific implementation：Respectively take out of phase AC220V respectively to U2 elementary sources, MCU processing in three-phase four-wire system power supply
Device, power module and load supplying, U2 elementary sources, power module provide dc source to power supply to be measured, oscillograph respectively, simultaneously
Load can consume the electric current of power supply to be measured.
Computer turns 485 communication modules by the first RS-232, the 2nd RS-232 turns 485 communication modules and MCU processors
Establish a communications link, and send instruction control relay, U2 elementary sources, load and power supply to be measured, input current table, output current
The working condition of the equipment such as table, input voltage table, collect in good time it is each detection data such as export overshoot, no-load power consumption, output voltage,
Output voltage precision etc., and it is uploaded to computer.Computer controls oscillograph by usb bus and collects figure.Power supply test
During the qualified situation sound that is sent by buzzer BZ show.The MCU processors that buzzer BZ is used herein
I/O port is PC13, makes buzzer BZ sounding using GPIO_SetBits (GPIOC, GPIO_Pin_13) instructions, uses GPIO_
ResetBits (GPIOC, GPIO_Pin_13) instructions make buzzer BZ stop sounding.If one of which is sentenced in test process
It is set to abnormal, the short sound of the sound of buzzer BZ tri-；If test complete power supply feature all by when, the short sound of sound one of buzzer BZ；
Wherein have any one and more than one it is abnormal when, the sound of buzzer BZ two length ring.
Other detector has fan control circuitry, and user is in use, temperature sensor detecting system internal environment temperature
Degree, and temperature information is transferred to the single-chip microcomputer on fan control circuitry plate, if temperature is higher than setting value, single-chip microcomputer is sent
Instruction allows relay adhesive, makes blower fan work（AC220V powers）, each circuit devcie can be prevented because temperature overheating damages, ensured complete
Automatic power comprehensive detector reliably works.
It is multiple in view of relay K, oscillograph, buzzer BZ, input current table, output current table, input voltage table etc.
Equipment, which coordinates, to be used together, and has certain error probability.MCU processors judge sentence using if, if once test does not conform to
So by flag bit, count is incremented for lattice, if flag bit counts continuous integration is more than 3 times, then this is not it is determined that conform to
Lattice.So during power supply parameters are tested, if one of which is abnormal, will to this retest three times,
It is if all abnormal three times, then this is exactly abnormal, is so greatly lowered test erroneous judgement.And we are programming
When the font of the error message of nonconformance is arranged to red, such error message can be in the test interface of computer monitor
On shown with eye-catching red font.
In addition, each power supply to be measured has unique bar code, examining report can be stored in computer and can call at any time
Its test report.After the completion of a power supply test to be measured, computer is automatically saved to the information of test event in database,
The test information of every power supply to be measured can be inquired about by power supply model to be measured or bar code.
Claims (6)
1. full-automatic power supply comprehensive detector, it is characterised in that：Including three-phase four-wire system power supply, U2 elementary sources, load, relay
Device, MCU processors, power module, oscillograph, buzzer, the U2 elementary sources, load, MCU processors and power module
Input be connected with three-phase four-wire system power supply, the oscillograph and load outputs are connected with power supply to be measured, the U2
The positive pole of basic source output terminal is connected with relay input, negative pole is connected with power supply to be measured, and the relay output end is with treating
Survey power supply is connected, output loop is connected with MCU processors, and the MCU processors output end is connected with buzzer, described
MCU processors turn 485 communication modules by the first RS-232 and are connected with load；The U2 elementary sources and load outputs
Negative pole be connected to the first current divider and the second current divider, first current divider and the second current divider output end respectively with
2nd RS-232 turns 485 communication modules and connected with MCU processors, and first current divider and the second current divider are each
It is connected in from also one end on power supply to be measured；The detector also includes computer, and the computer turns by the 2nd RS-232
485 communication modules are connected with MCU processors.
2. the full-automatic power supply comprehensive detector according to claim 1, it is characterised in that：The oscillograph output end is borrowed
USB lines are helped to be connected with computer.
3. the full-automatic power supply comprehensive detector according to claim 1, it is characterised in that：The detector also includes
Input current table, the input current table by the 2nd RS-232 turn 485 communication modules RS485 buses and the first current divider and
MCU processors are connected.
4. the full-automatic power supply comprehensive detector according to claim 1, it is characterised in that：The detector also includes
Output current table, the output current table by the 2nd RS-232 turn 485 communication modules RS485 buses and the first current divider and
MCU processors are connected.
5. full-automatic power supply comprehensive detector according to claim 1, it is characterised in that：The detector also includes defeated
Enter voltmeter, the input voltage table by the 2nd RS-232 turn the RS485 buses of 485 communication modules and the first current divider and
MCU processors are connected.
6. the full-automatic power supply comprehensive detector according to claim 1, it is characterised in that：The detector includes containing
The fan control circuitry of temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510134119.2A CN104678328B (en) | 2015-03-26 | 2015-03-26 | Full-automatic power supply comprehensive detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510134119.2A CN104678328B (en) | 2015-03-26 | 2015-03-26 | Full-automatic power supply comprehensive detector |
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| CN104678328A CN104678328A (en) | 2015-06-03 |
| CN104678328B true CN104678328B (en) | 2018-01-12 |
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| CN201510134119.2A Active CN104678328B (en) | 2015-03-26 | 2015-03-26 | Full-automatic power supply comprehensive detector |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109375019A (en) * | 2018-11-06 | 2019-02-22 | 格力电器（武汉）有限公司 | Detection method, the device and system of electrical equipment |
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| CN101634689A (en) * | 2008-07-21 | 2010-01-27 | 环隆电气股份有限公司 | System and method for testing power supply properties |
| CN102129044A (en) * | 2010-01-13 | 2011-07-20 | 鸿富锦精密工业（深圳）有限公司 | Power supply test system |
| CN102707244A (en) * | 2012-05-23 | 2012-10-03 | 苏州市职业大学 | Performance test system for miniature switching power supply |
| CN103135072A (en) * | 2011-11-26 | 2013-06-05 | 西安中科麦特电子技术设备有限公司 | Testing system of lighting emitting diode (LED) switching power supply |
| CN103760498A (en) * | 2013-12-31 | 2014-04-30 | 江苏嘉钰新能源技术有限公司 | Automatic calibration device for power module and calibration method |
| CN103792498A (en) * | 2014-02-14 | 2014-05-14 | 浪潮电子信息产业股份有限公司 | Automatic power supply testing method |
| CN204462354U (en) * | 2015-03-26 | 2015-07-08 | 石家庄迪龙科技有限公司 | Full-automatic power supply comprehensive detector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101329387B (en) * | 2007-06-20 | 2011-09-28 | 鸿富锦精密工业（深圳）有限公司 | Power supply test system |
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2015
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634689A (en) * | 2008-07-21 | 2010-01-27 | 环隆电气股份有限公司 | System and method for testing power supply properties |
| CN102129044A (en) * | 2010-01-13 | 2011-07-20 | 鸿富锦精密工业（深圳）有限公司 | Power supply test system |
| CN103135072A (en) * | 2011-11-26 | 2013-06-05 | 西安中科麦特电子技术设备有限公司 | Testing system of lighting emitting diode (LED) switching power supply |
| CN102707244A (en) * | 2012-05-23 | 2012-10-03 | 苏州市职业大学 | Performance test system for miniature switching power supply |
| CN103760498A (en) * | 2013-12-31 | 2014-04-30 | 江苏嘉钰新能源技术有限公司 | Automatic calibration device for power module and calibration method |
| CN103792498A (en) * | 2014-02-14 | 2014-05-14 | 浪潮电子信息产业股份有限公司 | Automatic power supply testing method |
| CN204462354U (en) * | 2015-03-26 | 2015-07-08 | 石家庄迪龙科技有限公司 | Full-automatic power supply comprehensive detector |
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