CN107202965A - A kind of method and apparatus for testing power supply signal integrality - Google Patents

A kind of method and apparatus for testing power supply signal integrality Download PDF

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Publication number
CN107202965A
CN107202965A CN201710617654.2A CN201710617654A CN107202965A CN 107202965 A CN107202965 A CN 107202965A CN 201710617654 A CN201710617654 A CN 201710617654A CN 107202965 A CN107202965 A CN 107202965A
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CN
China
Prior art keywords
test
power supply
tester
measured switch
pressure regulator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710617654.2A
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Chinese (zh)
Inventor
罗君
余强
侯永
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Gongjin Electronics Co Ltd
Original Assignee
Shenzhen Gongjin Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Gongjin Electronics Co Ltd filed Critical Shenzhen Gongjin Electronics Co Ltd
Priority to CN201710617654.2A priority Critical patent/CN107202965A/en
Publication of CN107202965A publication Critical patent/CN107202965A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40Testing power supplies

Abstract

The present invention proposes a kind of method and apparatus for testing power supply signal integrality, applied to test system, wherein, this method includes:After connection of the measured switch power supply with the test system is set up, the measured switch power supply is controlled to be in open state and normal operating conditions by the programmable pressure regulator in the test system and electronic load device;Measuring signal integrality is performed by the test system to instruct, to obtain measuring signal integrality data of the measured switch power supply under open state and normal operating conditions.By the scheme of the embodiment of the present invention, the automatic test of Switching Power Supply is realized, reduces manually, improves the effect of test, beneficial to the construction cycle for shortening product.

Description

A kind of method and apparatus for testing power supply signal integrality
Technical field
The present invention relates to power supply test field, more particularly to a kind of method and apparatus for testing power supply signal integrality.
Background technology
Switching Power Supply is to utilize modern power electronics technology, the time ratio that controlling switch pipe is turned on and off, and remains steady Determine a kind of power-supply device of output voltage;Switching Power Supply is general to be made up of pulse width modulation (PWM) control IC and MOSFET;And With the development and innovation of Power Electronic Technique so that switch power technology is also innovated constantly.At present, Switching Power Supply is with small Type, light weight and efficient feature are widely used almost all of electronic equipment, are that current electronics and information industry is developed rapidly A kind of indispensable power mode.
And be, it is necessary to carry out the measuring signal integrality and reliability of product in the development quality for ensure Switching Power Supply product Test.It can be said that measuring signal integrality is the most important quality assurance tool of Switching Power Supply.
But, the measuring signal integrality almost all of current product is tested using manual type, and this mode is surveyed The examination cycle is long, and effect is low, causes the construction cycle of product also elongated.
The content of the invention
For defect of the prior art, the present invention proposes a kind of method and apparatus for testing power supply signal integrality, Automatic test to realize Switching Power Supply, reduces manually, improves the effect of test, beneficial to the exploitation week for shortening product Phase.
Specifically, the present invention proposes embodiment in detail below:
The embodiment of the present invention 1 discloses a kind of method for testing power supply signal integrality, applied to test system, this method Including:
After the connection of the measured switch power supply and the test system is set up, by the test system can Program pressure regulator and electronic load device controls the measured switch power supply to be in open state and normal operating conditions;
Measuring signal integrality is performed by the test system to instruct, to obtain the measured switch power supply in start shape State and the measuring signal integrality data under normal operating conditions.
In a specific embodiment, in addition to:
It is compared according to the measuring signal integrality data and default data list;
Judge whether the integrity test data are correct according to the result of the comparison.
It is described " to pass through the programmable pressure regulator and Electronic Negative in the test system in a specific embodiment Carry and put the control measured switch power supply in open state and normal operating conditions " include:
The first control signal is sent to programmable pressure regulator to control the voltage swing of the programmable pressure regulator output;
The second control signal is sent to control the simulated power of the electronic load device to electronic load device, and then is controlled Make the measured switch power supply and be in open state and normal operating conditions.
In a specific embodiment, in addition to:
When detecting that the connection is interrupted, the prompting of connection failure is generated.
In a specific embodiment, the measuring signal integrality instruction includes:Static characteristic test instruction, dynamic Characteristic test instruction, protection feature test instruction;
Wherein, the static characteristic test instruction is used to obtain the input current of the Switching Power Supply to be tested, unloaded work( Consumption, average efficiency, line regulation and load regulation, Ripple Noise;
The dynamic characteristic test instruct for obtain the Switching Power Supply to be tested power on delay, it is lower electricity maintain, it is defeated Go out to rise sequential and overshoot, output decline sequential and overshoot, dynamic load;
The protection feature test instruction is surveyed for the overcurrent protection to the Switching Power Supply to be tested, short-circuit protection Examination.
In a specific embodiment, the test system also includes:Test device, the first tester, second are surveyed Test instrument;
Wherein, the test device is used to carry out data processing, communications and logical operation;In the test system In, the test device connects the programmable pressure regulator, the electronic load device, first tester, institute respectively State the second tester;
The measured switch power supply connects the programmable pressure regulator, the electronic load device, first survey respectively Test instrument, second tester.
In a specific embodiment, the test device is specially computer;First tester is specially Oscillograph;Second tester is specially power meter;
In a specific embodiment, the test device connects described respectively by Serial Port Transmission line or network interface Programmable pressure regulator, the electronic load device, first tester, second tester;
First tester and second tester are entered by popping one's head in the measured switch power supply respectively Row data acquisition;
The measured switch power supply connects the programmable pressure regulator, the electronic load device by wire respectively.
In a specific embodiment, the product type of first tester is Lecroy6100A;Described second The product signal of tester is WT310.
The embodiment of the present invention also proposed a kind of equipment for testing power supply signal integrality, and applied to test system, this sets It is standby to include:
Control module, for setting up after connection of the measured switch power supply with the test system, by described Programmable pressure regulator in test system controls the measured switch power supply to be in open state and normal operating conditions;
Test module, is instructed for performing measuring signal integrality by the test system, to obtain described to be measured open Measuring signal integrality data of the powered-down source under open state and normal operating conditions.
With this, the embodiment of the present invention proposes a kind of method and apparatus for testing power supply signal integrality, applied to test System, wherein, this method includes:After connection of the measured switch power supply with the test system is set up, by described Programmable pressure regulator and the electronic load device control measured switch power supply in test system is in open state and just Normal working condition;Measuring signal integrality is performed by the test system to instruct, and is being opened with obtaining the measured switch power supply Machine state and the measuring signal integrality data under normal operating conditions.By the scheme of the embodiment of the present invention, switch electricity is realized The automatic test in source, reduces manually, improves the effect of test, beneficial to the construction cycle for shortening product.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of the method for test power supply signal integrality that the embodiment of the present invention is proposed;
Fig. 2 is a kind of structural representation for test system that the embodiment of the present invention is proposed;
Fig. 3 is a kind of structural representation of the equipment for test power supply signal integrality that the embodiment of the present invention is proposed.
Embodiment
Hereinafter, the various embodiments of the disclosure will be described more fully.The disclosure can have various embodiments, and It can adjust and change wherein.It should be understood, however, that:It is limited to spy disclosed herein in the absence of by the various embodiments of the disclosure Determine the intention of embodiment, but the disclosure should be interpreted as covering in the spirit and scope for the various embodiments for falling into the disclosure All adjustment, equivalent and/or alternative.
Hereinafter, the term " comprising " that can be used in the various embodiments of the disclosure or " may include " indicate disclosed Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as existing Used in the various embodiments of the disclosure, term " comprising ", " having " and its cognate are meant only to represent special characteristic, number Word, step, operation, element, the combination of component or foregoing item, and be understood not to exclude first one or more other Feature, numeral, step, operation, element, the presence of the combination of component or foregoing item or increase one or more features, numeral, Step, operation, element, the possibility of the combination of component or foregoing item.
In the various embodiments of the disclosure, statement "or" or " in A or/and B at least one " include what is listed file names with Any combinations of word or all combinations." A or B " or " in A or/and B at least one " may include A, may include for example, statement B may include A and B both.
The statement (" first ", " second " etc.) used in the various embodiments of the disclosure can be modified to be implemented various Various element in example, but corresponding element can not be limited.For example, presented above be not intended to limit the suitable of the element Sequence and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user fills Put and indicate different user device with second user device, although the two is all user's set.For example, not departing from each of the disclosure In the case of the scope for planting embodiment, the first element is referred to alternatively as the second element, similarly, and the second element is also referred to as first Element.
It should be noted that:, can be by the first composition member if an element ' attach ' to another element by description Part is directly connected to the second element, and " connection " the 3rd can be constituted between the first element and the second element Element.On the contrary, when an element " being directly connected to " is arrived into another element, it will be appreciated that be in the first element And second the 3rd element is not present between element.
The term " user " used in the various embodiments of the disclosure, which may indicate that, to be used the people of electronic installation or uses electricity The device (for example, artificial intelligence electronic installation) of sub-device.
The term used in the various embodiments of the disclosure is only used for describing the purpose of specific embodiment and not anticipated In the various embodiments of the limitation disclosure.As used herein, singulative is intended to also include plural form, unless context is clear Chu it is indicated otherwise.Unless otherwise defined, all terms (including the technical term and scientific terminology) tool being otherwise used herein There is the implication identical implication that the various embodiment one skilled in the art with the disclosure are generally understood that.The term (term such as limited in the dictionary typically used) is to be interpreted as having and the situational meaning in correlative technology field Identical implication and it will be not construed as with Utopian implication or excessively formal implication, unless in the various of the disclosure It is clearly defined in embodiment.
Embodiment 1
The embodiment of the present invention 1 discloses a kind of method for testing power supply signal integrality, applied to test system, such as Fig. 1 Shown, this method includes:
Step 101, after the connection of the measured switch power supply and the test system is set up, pass through the test system Programmable pressure regulator and electronic load device in system control the measured switch power supply to be in open state and normal work State;
It is specifically described " to pass through the test system after being specifically attached by test system and measured switch power supply Programmable pressure regulator and electronic load device in system control the measured switch power supply to be in open state and normal work State " includes:The first control signal is sent to the programmable pressure regulator to control the voltage of the programmable pressure regulator output Size;The second control signal is sent to control the simulated power of the electronic load device to the electronic load device, and then The measured switch power supply is controlled to be in open state and normal operating conditions.
Step 102, by the test system perform measuring signal integrality instruct, to obtain the measured switch power supply Measuring signal integrality data under open state and normal operating conditions.
In a specific embodiment, this method also includes:
It is compared according to the measuring signal integrality data and default data list;
Judge whether the integrity test data are correct according to the result of the comparison.
Specifically, can be compared with default data list, if result of the comparison is more than a number of data Unanimously, or the differences of data is less than preset difference value, it is determined that integrity test data are correct, conversely, then incorrect.
In addition, it is contemplated that connection may be interrupted, therefore in a specific embodiment, this method also includes:
When detecting that the connection is interrupted, the prompting of connection failure is generated.
Specific prompting can be auditory tone cues, or acousto-optic, which is integrated, points out, or other modes prompting, specifically Can flexibly be adjusted as needed.
Specifically, when the connection of measured switch power supply and test system is interrupted, then the prompting of connection failure is generated, Re-connected with embodying user, and avoid follow-up test invalidation.
In a specific embodiment, the measuring signal integrality instruction includes:Static characteristic test instruction, dynamic Characteristic test instruction, protection feature test instruction;
Wherein, the static characteristic test instruction is used to obtain the input current of the Switching Power Supply to be tested, unloaded work( Consumption, average efficiency, line regulation and load regulation, Ripple Noise;
The dynamic characteristic test instruct for obtain the Switching Power Supply to be tested power on delay, it is lower electricity maintain, it is defeated Go out to rise sequential and overshoot, output decline sequential and overshoot, dynamic load;
The protection feature test instruction is surveyed for the overcurrent protection to the Switching Power Supply to be tested, short-circuit protection Examination.
In a specific embodiment, as shown in Fig. 2 the test system also includes:Test device, the first tester Device, the second tester;
Wherein, the test device is used to carry out data processing, communications and logical operation;In the test system In, the test device connects the programmable pressure regulator, the electronic load device, first tester, institute respectively State the second tester;
The measured switch power supply connects the programmable pressure regulator, the electronic load device, first survey respectively Test instrument, second tester.
Specifically, in one embodiment, the test device is specially computer;First tester is specially Oscillograph;Second tester is specially power meter;
Specifically, in one embodiment, the test device connects institute respectively by Serial Port Transmission line or network interface State programmable pressure regulator, the electronic load device, first tester, second tester;
First tester and second tester are entered by popping one's head in the measured switch power supply respectively Row data acquisition;
The measured switch power supply connects the programmable pressure regulator, the electronic load device by wire respectively.
Specifically, in one embodiment, the product type of first tester is Lecroy6100A;Described The product signal of two testers is WT310.
Here, being illustrated with a specific application scenarios, still illustrated with Fig. 2, test device respectively with Programmable pressure regulator, electronic load, tester oscillograph, tester power meter are connected.Measured switch power supply respectively with Tester oscillograph, tester power meter, electronic load, programmable pressure regulator are connected.
Test device and can between programmable pressure regulator, electronic load, tester oscillograph, tester power meter With using the connection of Serial Port Transmission line or network interface connection etc., measured switch power supply and tester oscillograph, tester Power meter carries out data acquisition using probe, and measured switch power supply is directly connected with electronic load, programmable pressure regulator using wire Connect.Test device is that can carry out the device of the functions such as data processing, communications and logical operation.Preferably, test device It can be computer.
Tester oscillograph, test instrument power meter refer to the instrument for testing measured switch power supply signal integrality, Can be by analyzing signal integrity parameter of the Switching Power Supply in start process and normal operating conditions.Preferably, tester The model WT310 that the model Lecroy6100A test instruments power meter of selection is selected.Measuring signal integrality includes but not limited In input current, no-load power consumption, average efficiency, line regulation and load regulation, Ripple Noise, power on delay, lower electricity dimension Hold, export rising sequential and overshoot, output decline sequential and overshoot, dynamic load, protection feature test instruction.
Embodiment 2
The embodiment of the present invention 2 also discloses a kind of equipment for testing power supply signal integrality, applied to test system, such as schemes Shown in 3, the equipment includes:
Control module 201, for setting up after connection of the measured switch power supply with the test system, passes through institute The programmable pressure regulator stated in test system controls the measured switch power supply to be in open state and normal operating conditions;
Test module 202, is instructed for performing measuring signal integrality by the test system, described to be measured to obtain Measuring signal integrality data of the Switching Power Supply under open state and normal operating conditions.
In a specific embodiment, the equipment also includes:
It is compared according to the measuring signal integrality data and default data list;
Judge whether the integrity test data are correct according to the result of the comparison.
In a specific embodiment, the control module 201 " passes through the programmable pressure regulator in the test system And electronic load device controls the measured switch power supply to be in open state and normal operating conditions " include:To it is described can Programming pressure regulator sends the first control signal to control the voltage swing of the programmable pressure regulator output;To the electronic load Device sends the second control signal to control the simulated power of the electronic load device, and then controls the measured switch power supply In open state and normal operating conditions.
In a specific embodiment, the equipment also includes:
Reminding module, for when detecting that the connection is interrupted, generating the prompting of connection failure.
In a specific embodiment, the measuring signal integrality instruction includes:Static characteristic test instruction, dynamic Characteristic test instruction, protection feature test instruction;
Wherein, the static characteristic test instruction is used to obtain the input current of the Switching Power Supply to be tested, unloaded work( Consumption, average efficiency, line regulation and load regulation, Ripple Noise;
The dynamic characteristic test instruct for obtain the Switching Power Supply to be tested power on delay, it is lower electricity maintain, it is defeated Go out to rise sequential and overshoot, output decline sequential and overshoot, dynamic load;
The protection feature test instruction is surveyed for the overcurrent protection to the Switching Power Supply to be tested, short-circuit protection Examination.
In a specific embodiment, the test system also includes:Test device, the first tester, second are surveyed Test instrument;
Wherein, the test device is used to carry out data processing, communications and logical operation;In the test system In, the test device connects the programmable pressure regulator, the electronic load device, first tester, institute respectively State the second tester;
The measured switch power supply connects the programmable pressure regulator, the electronic load device, first survey respectively Test instrument, second tester.
In a specific embodiment, the test device is specially computer;First tester is specially Oscillograph;Second tester is specially power meter;
In a specific embodiment, the test device connects described respectively by Serial Port Transmission line or network interface Programmable pressure regulator, the electronic load device, first tester, second tester;
First tester and second tester are entered by popping one's head in the measured switch power supply respectively Row data acquisition;
The measured switch power supply connects the programmable pressure regulator, the electronic load device by wire respectively.
In a specific embodiment, the product type of first tester is Lecroy6100A;Described second The product signal of tester is WT310.
With this, the embodiment of the present invention proposes a kind of method and apparatus for testing power supply signal integrality, applied to test System, wherein, this method includes:After connection of the measured switch power supply with the test system is set up, by described Programmable pressure regulator and the electronic load device control measured switch power supply in test system is in open state and just Normal working condition;Measuring signal integrality is performed by the test system to instruct, and is being opened with obtaining the measured switch power supply Machine state and the measuring signal integrality data under normal operating conditions.By the scheme of the embodiment of the present invention, switch electricity is realized The automatic test in source, reduces manually, improves the effect of test, beneficial to the construction cycle for shortening product.
It will be appreciated by those skilled in the art that accompanying drawing is a schematic diagram for being preferable to carry out scene, module in accompanying drawing or Flow is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in implement scene can be described according to implement scene into Row is distributed in the device of implement scene, can also carry out one or more dresses that respective change is disposed other than this implement scene In putting.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
The invention described above sequence number is for illustration only, and the quality of implement scene is not represented.
Disclosed above is only several specific implementation scenes of the present invention, and still, the present invention is not limited to this, Ren Heben What the technical staff in field can think change should all fall into protection scope of the present invention.

Claims (10)

1. a kind of method for testing power supply signal integrality, it is characterised in that applied to test system, this method includes:
After connection of the measured switch power supply with the test system is set up, pass through the programmable pressure regulation in the test system Device and electronic load device control the measured switch power supply to be in open state and normal operating conditions;
By the test system perform measuring signal integrality instruct, with obtain the measured switch power supply open state with Measuring signal integrality data under normal operating conditions.
2. the method as described in claim 1, it is characterised in that also include:
It is compared according to the measuring signal integrality data and default data list;
Judge whether the integrity test data are correct according to the result of the comparison.
3. the method as described in claim 1, it is characterised in that described " to pass through the programmable pressure regulator in the test system And electronic load device controls the measured switch power supply to be in open state and normal operating conditions " include:
The first control signal is sent to programmable pressure regulator to control the voltage swing of the programmable pressure regulator output;
The second control signal is sent to control the simulated power of the electronic load device to electronic load device, and then controls institute State measured switch power supply and be in open state and normal operating conditions.
4. the method as described in claim 1, it is characterised in that also include:
When detecting that the connection is interrupted, the prompting of connection failure is generated.
5. the method as described in claim 1, it is characterised in that the measuring signal integrality instruction includes:Static characteristic is surveyed Examination instruction, dynamic characteristic test instruction, protection feature test instruction;
Wherein, the static characteristic test instruction is used to obtain the input current of the Switching Power Supply to be tested, no-load power consumption, put down Equal efficiency, line regulation and load regulation, Ripple Noise;
The dynamic characteristic test instructs power on delay, lower electricity for obtaining the Switching Power Supply to be tested to maintain, output Rise sequential and overshoot, output decline sequential and overshoot, dynamic load;
The protection feature test instruction is tested for the overcurrent protection to the Switching Power Supply to be tested, short-circuit protection.
6. the method as described in claim 1, it is characterised in that the test system also includes:Test device, the first tester Device, the second tester;
Wherein, the test device is used to carry out data processing, communications and logical operation;In the test system, The test device connects the programmable pressure regulator, the electronic load device, first tester, described respectively Two testers;
The measured switch power supply connects the programmable pressure regulator, the electronic load device, first tester respectively Device, second tester.
7. method as claimed in claim 6, it is characterised in that the test device is specially computer;First test Instrument is specially oscillograph;Second tester is specially power meter.
8. method as claimed in claim 6, it is characterised in that the test device passes through Serial Port Transmission line or network interface point The programmable pressure regulator, the electronic load device, first tester, second tester are not connected;
First tester and second tester enter line number by popping one's head in the measured switch power supply respectively According to collection;
The measured switch power supply connects the programmable pressure regulator, the electronic load device by wire respectively.
9. method as claimed in claim 6, it is characterised in that the product type of first tester is Lecroy6100A;The product signal of second tester is WT310.
10. a kind of equipment for testing power supply signal integrality, it is characterised in that applied to test system, the equipment includes:
Control module, for setting up after connection of the measured switch power supply with the test system, passes through the test system In programmable pressure regulator control the measured switch power supply to be in open state and normal operating conditions;
Test module, is instructed for performing measuring signal integrality by the test system, to obtain the measured switch electricity Measuring signal integrality data of the source under open state and normal operating conditions.
CN201710617654.2A 2017-07-26 2017-07-26 A kind of method and apparatus for testing power supply signal integrality Pending CN107202965A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710617654.2A CN107202965A (en) 2017-07-26 2017-07-26 A kind of method and apparatus for testing power supply signal integrality

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710617654.2A CN107202965A (en) 2017-07-26 2017-07-26 A kind of method and apparatus for testing power supply signal integrality

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105242218A (en) * 2015-09-24 2016-01-13 浪潮电子信息产业股份有限公司 DC source full-coverage automatic test system
CN105891733A (en) * 2016-04-05 2016-08-24 浪潮电子信息产业股份有限公司 Method, device and system for debugging in process of power source test
CN206209081U (en) * 2016-09-27 2017-05-31 北京动力源科技股份有限公司 A kind of Auto-Test System of power module

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN105242218A (en) * 2015-09-24 2016-01-13 浪潮电子信息产业股份有限公司 DC source full-coverage automatic test system
CN105891733A (en) * 2016-04-05 2016-08-24 浪潮电子信息产业股份有限公司 Method, device and system for debugging in process of power source test
CN206209081U (en) * 2016-09-27 2017-05-31 北京动力源科技股份有限公司 A kind of Auto-Test System of power module

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