CN106154184A - A kind of aging testing system of Switching Power Supply - Google Patents
A kind of aging testing system of Switching Power Supply Download PDFInfo
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- CN106154184A CN106154184A CN201610805734.6A CN201610805734A CN106154184A CN 106154184 A CN106154184 A CN 106154184A CN 201610805734 A CN201610805734 A CN 201610805734A CN 106154184 A CN106154184 A CN 106154184A
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 230000032683 aging Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 4
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241001125929 Trisopterus luscus Species 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses the aging testing system of a kind of Switching Power Supply, including the breaker electrically connecting with city, the least one set hot-wire array being connected with breaker, the inversion feedback unit electrically connecting with hot-wire array and city, hot-wire array includes least one set Switching Power Supply assembled unit, Switching Power Supply assembled unit includes multiple Switching Power Supply, the input of the multiple Switching Power Supplies input as Switching Power Supply assembled unit in parallel, and the output series connection of Switching Power Supply is as the output of Switching Power Supply assembled unit.As can be seen here, one hot-wire array is divided into the convenient control of multiple Switching Power Supply assembled unit, the quantity of compensating unit, what is more important can be reduced, by inversion feedback unit the energy of hot-wire array carried out inversion, and feed back to civil power and be capable of energy-conservation purpose.
Description
Technical field
The present invention relates to switch power technology field, particularly relate to the aging testing system of a kind of Switching Power Supply.
Background technology
Burn-in test is power supply, for example a kind of quality means of Switching Power Supply product export early stage reliability screening checking.
For getting rid of Switching Power Supply product initial failure and the stability that puts goods on the market and reliability, the manufacture type producer of Switching Power Supply product
Commonly used resistance power consumption mode carries out aging of product test.Resistance power consumption mode refers to directly connect Switching Power Supply cement
Resistance is tested.This method of testing produces heat energy thus the waste that causes the energy because of resistance itself.
As can be seen here, the energy resource consumption of the burn-in test how reducing Switching Power Supply is that those skilled in the art are urgently to be resolved hurrily
Problem.
Content of the invention
It is an object of the invention to provide the aging testing system of a kind of Switching Power Supply, for reducing the aging survey of Switching Power Supply
The energy resource consumption of examination.
For solving above-mentioned technical problem, the present invention provides the aging testing system of a kind of Switching Power Supply, including be electrically connected with city
The breaker connecing, the least one set hot-wire array being connected with described breaker, electrically connect with described hot-wire array and described city
Inversion feedback unit, described hot-wire array includes least one set Switching Power Supply assembled unit, described Switching Power Supply assembled unit bag
Include multiple Switching Power Supply, the input of the plurality of Switching Power Supply input as described Switching Power Supply assembled unit in parallel,
The output series connection of described Switching Power Supply is as the output of described Switching Power Supply assembled unit；
When described in described hot-wire array, Switching Power Supply assembled unit is one group, described Switching Power Supply assembled unit defeated
The input entering end as described hot-wire array is connected with described breaker, the output conduct of described Switching Power Supply assembled unit
The output of described hot-wire array is connected with described inversion feedback unit；
When described in described hot-wire array, Switching Power Supply assembled unit is more than one group, described Switching Power Supply assembled unit
Between be connected in series by compensating unit, the input of the first described Switching Power Supply of the row in described hot-wire array is as described survey
The input arranging of playing a tryout game is connected with described breaker, the output conduct of the described Switching Power Supply of the row tail in described hot-wire array
The output of described hot-wire array is connected with described inversion feedback unit.
Preferably, the quantity of described hot-wire array is identical with the quantity of described inversion feedback unit.
Preferably, the collection of status signal for gathering described Switching Power Supply and described inversion feedback unit is also included
Device, the analog to digital conversion circuit being connected with described harvester, the MCU controller being connected with analog-digital conversion circuit as described.
Preferably, also include the peripheral processes circuit being connected with described MCU controller, and with described peripheral processes circuit
The human-computer interaction interface connecting.
Preferably, also include the switch matrix being connected with described MCU controller, the switch in described switch matrix with described
Switching Power Supply and described inversion feedback unit connect one to one.
Preferably, also include being connected with described MCU controller, for the failure monitoring unit of fault cues.
Preferably, also include including phonetic alarm device and/or flash lamp with described failure monitoring unit.
The aging testing system of Switching Power Supply provided by the present invention, including the breaker electrically connecting with city, with breaker
The least one set hot-wire array connecting, the inversion feedback unit electrically connecting with hot-wire array and city, hot-wire array includes at least one
Group Switching Power Supply assembled unit, Switching Power Supply assembled unit includes multiple Switching Power Supply, and the input of multiple Switching Power Supplies is in parallel
As the input of Switching Power Supply assembled unit, the output series connection of Switching Power Supply is as the output of Switching Power Supply assembled unit
End；When hot-wire array breaker in middle power source combination unit is more than one group, between Switching Power Supply assembled unit, pass through compensating unit
Being connected in series, the input of the first Switching Power Supply of the row in hot-wire array is connected with breaker as the input of hot-wire array,
The output of the Switching Power Supply of the row tail in hot-wire array is connected with inversion feedback unit as the output of hot-wire array.Thus
Visible, a hot-wire array is divided into the convenient control of multiple Switching Power Supply assembled unit, the quantity of compensating unit can be reduced, more
For it is essential that by inversion feedback unit the energy of hot-wire array carried out inversion, and feed back to civil power and be capable of energy-conservation
Purpose.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention, the accompanying drawing of use required in embodiment will be done simply below
Introduce, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structure chart of the aging testing system of a kind of Switching Power Supply that Fig. 1 provides for the embodiment of the present invention；
The structure chart of the aging testing system of the another kind of Switching Power Supply that Fig. 2 provides for the embodiment of the present invention；
The structure chart of the aging testing system of the another kind of Switching Power Supply that Fig. 3 provides for the embodiment of the present invention；
A kind of MCU controller that Fig. 4 provides for the present invention and the circuit diagram of peripheral processes circuit thereof.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention wholely, rather than whole embodiment.Based on this
Embodiment in invention, those of ordinary skill in the art are not under the premise of making creative work, and obtained is every other
Embodiment, broadly falls into scope.
The core of the present invention is to provide the aging testing system of a kind of Switching Power Supply.
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawings and detailed description of the invention
The present invention is described in further detail.
The aging testing system of Switching Power Supply includes the breaker electrically connecting with city, and the least one set being connected with breaker is surveyed
Playing a tryout game row, the inversion feedback unit electrically connecting with hot-wire array and city, hot-wire array includes that the combination of least one set Switching Power Supply is single
Unit, Switching Power Supply assembled unit includes multiple Switching Power Supply, and the input of multiple Switching Power Supplies is in parallel as Switching Power Supply combination
The input of unit, the output series connection of Switching Power Supply is as the output of Switching Power Supply assembled unit.
When hot-wire array breaker in middle power source combination unit is one group, the input of Switching Power Supply assembled unit is as test
The input of array is connected with breaker, and the output of Switching Power Supply assembled unit returns with inversion as the output of hot-wire array
Feedback unit connects.
When hot-wire array breaker in middle power source combination unit is more than one group, by compensating between Switching Power Supply assembled unit
Unit is connected in series, and the input of the first Switching Power Supply of the row in hot-wire array connects with breaker as the input of hot-wire array
Connecing, the output of the Switching Power Supply of the row tail in hot-wire array is connected with inversion feedback unit as the output of hot-wire array.
The structure chart of the aging testing system of a kind of Switching Power Supply that Fig. 1 provides for the embodiment of the present invention.Figure is such as Fig. 1 institute
Showing, civil power A is connected with breaker B, has N group hot-wire array, respectively 1 group-N group, illustrates as a example by the 1st group of hot-wire array, the
One group of hot-wire array contains n group Switching Power Supply assembled unit, respectively Switching Power Supply assembled unit the 11st, Switching Power Supply combination
Unit 12 and Switching Power Supply assembled unit 1n etc..It is serially connected by compensating unit between Switching Power Supply assembled unit,
As it is shown in figure 1, the Switching Power Supply that the Switching Power Supply in Switching Power Supply assembled unit 11 is row head, the input of multiple Switching Power Supplies
Input as the 1st group of hot-wire array in parallel, the Switching Power Supply in Switching Power Supply assembled unit 1n is the Switching Power Supply of row tail,
The output series connection of the multiple Switching Power Supplies in Switching Power Supply assembled unit 1n is as the output of the 1st group of hot-wire array.At Fig. 1
In, inversion feedback unit E is one, respectively the signal of the 1st group of hot-wire array the-the N group hot-wire array output is carried out inversion, and
It is fed back to civil power A.
The operation principle of Fig. 1 is: the input of each Switching Power Supply in Switching Power Supply assembled unit 11 is connected in parallel, so
Hou Yu city electrically connects, and the output of each Switching Power Supply is connected in series, and due to the loss of energy, compensating unit detects Switching Power Supply
The signal of assembled unit 11 output, and provide the signal of corresponding difference defeated with Switching Power Supply assembled unit 11 as compensating signal
Go out end and be commonly provided to Switching Power Supply assembled unit 12.Therefore, for the 1st group of hot-wire array, each Switching Power Supply combines
The input signal of unit is all identical, is equivalent to being operated under identical environment of each power switch.Inversion feedback unit
Can be inverter, it is achieved the signal of the output of Switching Power Supply assembled unit 1N is carried out inversion, and is fed back to civil power A, from
And reach energy-conservation purpose.Experiment proves that, be fed back on civil power A recycling by inversion feedback unit E, can reach at least
Save more than 85% power consumption.
It should be noted that compensating unit can be battery, but must be not necessarily battery, can also is that other forms
Compensation device, as long as disclosure satisfy that above-mentioned functions.In addition, the number of the Switching Power Supply in each Switching Power Supply assembled unit
Amount can identical also can differ.
The aging testing system of the Switching Power Supply that the present embodiment provides, including the breaker electrically connecting with city, with breaker
The least one set hot-wire array connecting, the inversion feedback unit electrically connecting with hot-wire array and city, hot-wire array includes at least one
Group Switching Power Supply assembled unit, Switching Power Supply assembled unit includes multiple Switching Power Supply, and the input of multiple Switching Power Supplies is in parallel
As the input of Switching Power Supply assembled unit, the output series connection of Switching Power Supply is as the output of Switching Power Supply assembled unit
End；When hot-wire array breaker in middle power source combination unit is more than one group, between Switching Power Supply assembled unit, pass through compensating unit
Being connected in series, the input of the first Switching Power Supply of the row in hot-wire array is connected with breaker as the input of hot-wire array,
The output of the Switching Power Supply of the row tail in hot-wire array is connected with inversion feedback unit as the output of hot-wire array.Thus
Visible, a hot-wire array is divided into the convenient control of multiple Switching Power Supply assembled unit, the quantity of compensating unit can be reduced, more
For it is essential that by inversion feedback unit the energy of hot-wire array carried out inversion, and feed back to civil power and be capable of energy-conservation
Purpose.
On the basis of above-described embodiment, the quantity of hot-wire array is identical with the quantity of inversion feedback unit.Fig. 2 is this
The structure chart of the aging testing system of the another kind of Switching Power Supply that bright embodiment provides.As in figure 2 it is shown, inversion feedback unit E1-
The signal of the 1st group of hot-wire array the-the N group hot-wire array output is carried out inversion by EN respectively, and is fed back to civil power A.Its in Fig. 2
The embodiment of its part refers to the explanation of above-described embodiment, wouldn't repeat here.
The structure chart of the aging testing system of the another kind of Switching Power Supply that Fig. 3 provides for the embodiment of the present invention.Such as Fig. 3 institute
Show, on the basis of above-described embodiment, as one preferred embodiment, also include for gathering Switching Power Supply and inversion
The harvester 100 of the status signal of feedback unit E, the analog to digital conversion circuit 101 being connected with harvester 100, turn with modulus
Change the MCU controller 102 that circuit 101 connects.
Harvester 100 is connected to each Switching Power Supply and inversion feedback unit E, for gathering each Switching Power Supply
Status signal, it is to be understood that status signal here comprises to input parameter, such as input voltage signal Uin, input current
Signal Iin, input power signal Pin, ambient parameter Temp, output parameter, for example, and output voltage Uout, export electric current Iou,
Power output Pout, time parameter Time etc..It is understood that depending on harvester 100 needs according to gathering which kind of signal,
For example gathering voltage signal and then can including voltage sensor, gather electric current and then use current sensor, the present embodiment is no longer superfluous
State.The status signal that harvester 100 is collected by analog to digital conversion circuit 101 carries out analog-to-digital conversion, MCU controller 102 and mould
Number conversion circuit 101 connects, and monitors and record input and output characteristics, aged load parameter, the ring of each Switching Power Supply in real time
The electric parameters such as border temperature parameter, promptly and accurately intactly reflect product running status in whole ageing process.
As being preferably carried out mode, also include the peripheral processes circuit 103 being connected with MCU controller 102, and with outward
Enclose and process the human-computer interaction interface 104 that circuit 103 connects.Data statistic analysis can be realized by human-computer interaction interface 104 simultaneously
Output report, checks and arranges dynamic operation time etc..
As being preferably carried out mode, also include the switch matrix 105 being connected with MCU controller 102, switch matrix 105
In switch connect one to one with Switching Power Supply and inversion feedback unit E.
In being embodied as, MCU controller 102 does with the reference signal under equal state according to the status signal receiving
Compare, thus realize the automatic decision of burn-in test, find product overvoltage in time, cross the abnormal problem such as stream, damage.When MCU control
Device 102 processed judges that one of them Switching Power Supply breaks down, then reject defective by the corresponding switch of switch matrix 105
It may happen that the Switching Power Supply of initial failure.Succinct in order to illustrate, eliminate the concrete attachment structure of switch matrix 105.
In order to allow those skilled in the art more understand the technical scheme that the present invention provides, provide above-described embodiment corresponding
Circuit diagram.A kind of MCU controller that Fig. 4 provides for the present invention and the circuit diagram of peripheral processes circuit thereof.
Harvester gathers 100 Gather and input voltage signal Uin, input current signal Iin, input power signal Pin, ring
Border parameter Temp, output voltage Uout, export electric current Iou, power output Pout, time parameter Time, analog to digital conversion circuit 101
Above-mentioned signal is carried out analog-to-digital conversion and obtains VOLT1-VOLT8 voltage signal, and the VOLT1-VOLT8 voltage signal of output is sent
Toward the control chip U1 of MCU controller, control chip U1 sends dependent instruction PD1, PD2 to U2, U3.U4 performs reference signal ratio
Relatively, data are imported control chip U1 again by U5 generation PD0 simultaneously carry out synthetic determination.
As it is shown on figure 3, as being preferably carried out mode, also include being connected with MCU controller 102, for fault cues
Failure monitoring unit 106.
In being embodied as, when MCU controller 102 judges that one of them Switching Power Supply breaks down, fault is believed
Number be sent to failure monitoring unit 106, then failure monitoring unit 106 carries out fault cues.It is understood that failure monitoring list
Unit 106 can comprise any form of suggestion device, such as phonetic alarm device, flash lamp etc., and the present embodiment is not construed as limiting.
Above the aging testing system of Switching Power Supply provided by the present invention is described in detail.In specification each
Embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, each
Between embodiment, identical similar portion sees mutually.For device disclosed in embodiment, owing to it is public with embodiment
The method opened is corresponding, so describe is fairly simple, related part sees method part and illustrates.It should be pointed out that, for
For those skilled in the art, under the premise without departing from the principles of the invention, if the present invention can also be carried out
Dry improvement and modification, these improve and modify in the protection domain also falling into the claims in the present invention.
Professional further appreciates that, in conjunction with the unit of each example that the embodiments described herein describes
And algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes composition and the step of each example in the above description according to function.These
Function performs with hardware or software mode actually, depends on application-specific and the design constraint of technical scheme.Specialty
Technical staff specifically should can be used for using different methods to realize described function to each, but this realization should not
Think beyond the scope of this invention.
The method describing in conjunction with the embodiments described herein or the step of algorithm can directly be held by hardware, processor
The software module of row, or the combination of the two implements.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium known in field.
Claims (7)
1. the aging testing system of a Switching Power Supply, it is characterised in that include the breaker electrically connecting with city, with described open circuit
The least one set hot-wire array that device connects, the inversion feedback unit electrically connecting with described hot-wire array and described city, described test
Array includes least one set Switching Power Supply assembled unit, and described Switching Power Supply assembled unit includes multiple Switching Power Supply, described many
The input of the individual Switching Power Supply input as described Switching Power Supply assembled unit in parallel, the output string of described Switching Power Supply
Connection is as the output of described Switching Power Supply assembled unit；
When described in described hot-wire array, Switching Power Supply assembled unit is one group, the input of described Switching Power Supply assembled unit
Input as described hot-wire array is connected with described breaker, and the output of described Switching Power Supply assembled unit is as described
The output of hot-wire array is connected with described inversion feedback unit；
When described in described hot-wire array, Switching Power Supply assembled unit is more than one group, between described Switching Power Supply assembled unit
Being connected in series by compensating unit, the input of the first described Switching Power Supply of the row in described hot-wire array is as described test battle array
The input of row is connected with described breaker, and the output of the described Switching Power Supply of the row tail in described hot-wire array is as described
The output of hot-wire array is connected with described inversion feedback unit.
2. the aging testing system of Switching Power Supply according to claim 1, it is characterised in that the quantity of described hot-wire array
Identical with the quantity of described inversion feedback unit.
3. the aging testing system of Switching Power Supply according to claim 1, it is characterised in that also include for gathering described
The harvester of the status signal of Switching Power Supply and described inversion feedback unit, the analog-to-digital conversion being connected with described harvester
Circuit, the MCU controller being connected with analog-digital conversion circuit as described.
4. the aging testing system of Switching Power Supply according to claim 3, it is characterised in that also include and described MCU control
The peripheral processes circuit that device processed connects, and the human-computer interaction interface being connected with described peripheral processes circuit.
5. the aging testing system of Switching Power Supply according to claim 4, it is characterised in that also include and described MCU control
The switch matrix that device processed connects, the switch in described switch matrix and described Switching Power Supply and described inversion feedback unit are one by one
Corresponding connection.
6. the aging testing system of Switching Power Supply according to claim 5, it is characterised in that also include and described MCU control
Device processed connects, for the failure monitoring unit of fault cues.
7. the aging testing system of Switching Power Supply according to claim 6, it is characterised in that also include and described fault prison
Control unit includes phonetic alarm device and/or flash lamp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610805734.6A CN106154184A (en) | 2016-09-06 | 2016-09-06 | A kind of aging testing system of Switching Power Supply |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610805734.6A CN106154184A (en) | 2016-09-06 | 2016-09-06 | A kind of aging testing system of Switching Power Supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108233681A (en) * | 2018-02-06 | 2018-06-29 | 安徽传质信息科技有限公司 | A kind of automatic detection of power failure and prosthetic device |
| CN108321847A (en) * | 2018-03-29 | 2018-07-24 | 广州谐同电子科技有限公司 | A kind of power-economizing method of feed-back type power source aging |
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