CN102736037A - Circuit, system and method for power supply test control - Google Patents
Circuit, system and method for power supply test control Download PDFInfo
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- CN102736037A CN102736037A CN2011100986002A CN201110098600A CN102736037A CN 102736037 A CN102736037 A CN 102736037A CN 2011100986002 A CN2011100986002 A CN 2011100986002A CN 201110098600 A CN201110098600 A CN 201110098600A CN 102736037 A CN102736037 A CN 102736037A
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- power supply
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- channel oscilloscope
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Abstract
The invention provides a circuit, a system and a method for power supply test control. The system for power supply test control comprises an electronic device used to provide a control signal, and an oscilloscope with a plurality of oscilloscope channels used to display waveforms of signals received by the oscilloscope channels. And the circuit for power supply test control comprises an oscilloscope channel control unit used to selectively provide a power output signal or a power input signal of a power supply to the oscilloscope channels according to the control of the control signal.
Description
Technical field
The present invention relates to the test of power supply unit, more relate to circuit, the system and method for automatic test and control power supply unit.
Background technology
In power supply unit research and development and the process manufactured, must carry out a large amount of tests and checking to guarantee that quality can meet requirement of client to it.
Oscillograph is the electronic measuring instrument commonly used of testing power supply supply, can show the electrical specification of the time varying signal that tested power supply unit is exported with the mode of two dimensional surface.Yet; General oscillograph only has two to four analog channels; During huge the and channel oscilloscope limited amount of power supply unit output that detects when desire or input signal quantity, have to rely on difference output or input signal that manual type connects power supply unit again to oscillograph.The test event of power supply unit is numerous; Existing power supply unit measuring technology is to take automanual mode to carry out; In addition, existing test macro also can't let the user when testing, control the input state (for example: change the address location of product, output state etc.) of power supply unit to be measured automatically; Causing product test not carry out continuously, thereby make the efficient of test low.
Therefore, a kind of high-level efficiency, robotization and circuit, system or the method that can be simultaneously the test of power supply unit and control be integrated are urgently required for industry.
Summary of the invention
The present invention provides a kind of power supply test control system, comprising: an electronic installation, in order to a control signal to be provided; One oscillograph has the channel oscilloscope of first number, in order to show the waveform of the signal that said channel oscilloscope receives; And a power supply test control circuit, be coupled to the power supply unit output of second number or the channel oscilloscope of input signal and this first number.This electronic installation comprises: a channel oscilloscope control module, and in order to the power supply output or the input signal of the power supply unit of this second number optionally provided to the channel oscilloscope of this first number according to the control of this control signal.
The present invention provides a kind of power supply test control circuit in addition; Comprise: a channel oscilloscope control module; Be coupled between the power supply unit output or input signal of channel oscilloscope and second number of first number, in order to the power supply output or the input signal of the power supply unit of this second number optionally provided to the channel oscilloscope of this first number according to the control of the control signal of electronic installation output.
The present invention provides a kind of power supply test control method in addition, comprising: a control signal is provided; One oscillograph is provided, and wherein this oscillograph has the channel oscilloscope of first number, in order to show the waveform of the signal that said channel oscilloscope receives; And the power supply output or the input signal of the power supply unit of second number optionally provided to the channel oscilloscope of this first number according to the control of this control signal.
Description of drawings
Fig. 1 is the power supply test control system synoptic diagram according to one embodiment of the invention.
Fig. 2 is the circuit structure diagram of channel oscilloscope control module 162 in the power supply test control circuit 106 of one embodiment of the invention.
Fig. 3 is power supply test control method process flow diagram of the present invention.
Reference numeral:
100: the power supply test control system;
102: electronic installation;
104: oscillograph;
106: the power supply test control circuit;
110: power supply unit;
162: the channel oscilloscope control module;
164: the signal transport interface;
166: the pulse width modulation controlled unit;
168: the power supply unit change-over switch;
190～signal conversion unit;
RL12A～RL12D: relay switch;
RLA～RLP: relay switch.
Embodiment
Hereinafter is for introducing most preferred embodiment of the present invention.Each embodiment is in order to explaining principle of the present invention, but non-in order to restriction the present invention.Scope of the present invention is when being as the criterion with the accompanying Claim item.
Fig. 1 is the power supply test control system synoptic diagram according to one embodiment of the invention.Power supply test control system 100 of the present invention can be used to test and control power supply unit 110, to reach the purpose of robotization power supply test.Be convenient explanation, among the embodiment hereinafter, the output of tested power supply unit 110 or input signal number are example with 16, yet the present invention in other embodiments needn't be as limit.
As shown in Figure 1, power supply test control system 100 of the present invention comprises an electronic installation 102, an oscillograph 104 and a power supply test control circuit 106.Electronic installation 102 of the present invention for example, can be the computing machine of various kenels, has man-machine interface, can be in order to receive the instruction that the user assigns and a control signal is provided.Oscillograph 104 of the present invention can be existing oscillograph, have the channel oscilloscope of prearranged number, and each channel oscilloscope can be in order to show the waveform of the signal that it receives.Have to be noted that because general oscillograph only has two to four analog channels, will be example with the oscillograph with four channel oscilloscopes among the following embodiment therefore.Power supply test control circuit 106 of the present invention is to be coupled between the channel oscilloscope of 16 output or input signal and these four simulations of this power supply unit, and is connected to this electronic installation 102 and controls to receive it.
In a most preferred embodiment; Power supply test control circuit 106 of the present invention comprises a channel oscilloscope control module 162, a signal transport interface 164, a width modulation (pulse width modulation, PWM) control module 166 and several power supply units input change-over switch 168.It should be noted that channel oscilloscope control module 162 of the present invention has the function that expands oscillograph 104 existing numbers of channels, constantly connect oscillographic trouble again, reach the purpose of high-level efficiency testing power supply supply 110 in order to save the user.The control of the control signal that this channel oscilloscope control module 162 can be exported according to this electronic installation 102 and with 16 power supplys output of above-mentioned 16 power supply units 110 or input signal optionally (selectively) provide to above-mentioned four channel oscilloscopes, make oscillograph 104 only four channel oscilloscopes capable of using show and measure the waveform of 16 (even more a plurality of) power supplys output or the input (for example voltage) of power supply unit 110.
See through the present invention; Oscillograph can show and measure each voltage or the current waveform of each power supply output or input; The peak value, peak that comprise dc voltage value, alternating voltage be to voltage difference, difference of injection time between peak value, power supply output, and can judge by this climb or drop-out voltage whether along sliding, whether have a noise figure etc.; In addition, be the sequential aspect, the time-to-climb of also voltage can being measured, the time delay, the time delay behind the powered-down etc. of power-on to output.
Fig. 2 is the circuit structure diagram of channel oscilloscope control module 162 in the power supply test control circuit 106 of one embodiment of the invention.In this embodiment, this channel oscilloscope control module 162 comprises several relay switches RL12A～RL12D and RLA～RLP.Channel oscilloscope CH1～CH4 can represent the input of actual oscillograph 104 among Fig. 2; Channel oscilloscope CH5～CH20 among Fig. 2 representes that then 16 of tested power supply unit 110 are exported or input signal.Wherein, relay switch RL12A～RL12D be used for respectively controlling four between existing channel oscilloscope CH1～CH4 unlatching or close, this is as being connected on single pass voltage table or the oscillograph in 16 outputs or input; Relay switch RLA～RLP then is used for controlling 16 new channel oscilloscope CH5～CH20 that expanded to generate by channel oscilloscope control module 162 of the present invention respectively.The control signal that transmits by electronic installation 102 can point out certain output or input that user's desire observes power supply unit oscillographic certain go up all, and channel oscilloscope control module 162 of the present invention can further be deciphered this control signal and control the switch RL12A～RL12D and the RLA～RLP of relay.In one embodiment, for example, this channel oscilloscope control module 162 can adopt the mode of TCM that 16 power supplys of power supply unit 110 are exported or input provides to four set channel oscilloscope CH1～CH4 in turn.In other embodiments, the present invention needn't be as limit.See through the effect of said relay switch, channel oscilloscope control module 162 of the present invention can reach the effect of expansion oscillograph 104 number of active lanes.It should be noted that; Though this paper explains channel oscilloscope control module 162 of the present invention with the relay switching circuit of Fig. 2; But function and effect that the those of ordinary skill of affiliated technical field is desired to reach to reach previous embodiment of the present invention when the circuit layout that can adopt various appropriate formats; Therefore, the present invention needn't be exceeded with circuit structure shown in Figure 2.
Several power supply unit change-over switches 168 of the present invention are to be coupled between this electronic installation 102 and the said power supply unit 110, also can be in order to open respectively according to this control signal and certain input of powered-down supply 110.In one embodiment, this power supply unit change-over switch 168 can be equally be made up of relay switch (figure does not show) institute, and the control of suspension control signal and open or close.Wherein each relay switch for example, can be a DPDT (2P2T) relay.This power supply unit change-over switch 168 helps user of the present invention to exempt the action of hand switch, becomes the effect that continuity action further promotes testing efficiency when testing thereby make.
Width modulation of the present invention (pulse width modulation; PWM) control module 166 also is coupled between this electronic installation 102 and the power supply unit 110, can be in order to the dutycycle according to the pulse-width signal of a fan on this this power supply unit 110 of control signal control.For example, general tested power supply unit 110 all possesses fan (figure does not show) regulating its temperature, and the rotating speed of this fan is the control that receives pulse-width signal.When heightening this pulse-width signal dutycycle, rotation speed of the fan promotes immediately; When turning down this pulse-width signal dutycycle, rotation speed of the fan reduces immediately.See through pulse width modulation controlled of the present invention unit 166, can observe the load of power supply unit 110 and the corresponding relation between its rotation speed of the fan easily.
By power supply test control system 100 provided by the present invention, all answer device test and the relevant operation of control all can further obtain integration with power supply, and the robotization of test job is had greatest help.
Except aforesaid power supply test control system 100, the present invention provides a power supply test control method in addition.Fig. 3 is power supply test control method process flow diagram of the present invention.This power supply test control method is in order to test and the output of control power supply unit or imports number and use for a long time than channel oscilloscope.The flow process of this method comprises: in step 302, a control signal is provided; In step 304, an oscillograph is provided, wherein this oscillograph has the channel oscilloscope of first number, in order to show the waveform of the signal that said channel oscilloscope receives; And in step 306, according to the control of this control signal with the power supply output of the power supply unit of this second number or input signal optionally (selectively) provide to the channel oscilloscope of this first number.Because but power supply test control method of the present invention practical implementation is on the power supply test control system of earlier figures 1; The those of ordinary skill of affiliated technical field can be understood method of the present invention with reference to preamble, and the related embodiment of this method is to save space so this paper will repeat no more.
Though the present invention discloses as above with preferred embodiment, so it is not in order to limiting scope of the present invention, any under the those of ordinary skill of technical field, when can doing a little change and retouching, and do not break away from the spirit and scope of the present invention.
Claims (18)
1. power supply test control system comprises:
One electronic installation is in order to provide a control signal;
One oscillograph has the channel oscilloscope of first number, in order to show the waveform of the signal that said channel oscilloscope receives; And
One power supply test control circuit is coupled to power supply output or the input signal of the power supply unit of second number, the channel oscilloscope of this first number, and this electronic installation, comprising:
One channel oscilloscope control module is in order to optionally to provide the power supply output or the input signal of the power supply unit of this second number to the channel oscilloscope of this first number according to the control of this control signal.
2. power supply test control system according to claim 1, wherein this second number is higher than this first number.
3. power supply test control system according to claim 1, wherein this channel oscilloscope control module is to provide in turn to the channel oscilloscope of this first number with the mode of TCM power supply output or the input signal with the power supply unit of this second number.
4. power supply test control system according to claim 1, wherein this channel oscilloscope control module is made up of several relay switches.
5. power supply test control system according to claim 1, wherein this power supply test control circuit also comprises:
Several power supply unit change-over switches are coupled between this electronic installation and the said power supply unit, in order to open and to close the input, address state etc. of said power supply unit or control power supply unit respectively according to this control signal.
6. power supply test control system according to claim 1, wherein this power supply test control circuit also comprises:
One signal transport interface is coupled between this electronic installation and the said power supply unit, in order to transmit the signal between this electronic installation and this power supply unit.
7. power supply test control system according to claim 6, wherein this signal transport interface also comprises:
One signal conversion unit is in order to change the signal format that communication is adopted between this electronic installation and this power supply unit.
8. power supply test control system according to claim 1, wherein this power supply test control circuit also comprises:
One pulse width modulation controlled unit is coupled between this electronic installation and the said power supply unit, in order to the dutycycle according to a pulse-width signal on this this power supply unit of control signal control.
9. power supply test control circuit comprises:
One channel oscilloscope control module; Be coupled between the power supply unit of channel oscilloscope and second number of first number, in order to the power supply output or the input signal of the power supply unit of this second number optionally provided to the channel oscilloscope of this first number according to the control of the control signal of electronic installation output.
10. power supply test control circuit according to claim 9, wherein this second number is higher than this first number.
11. power supply test control circuit according to claim 9, wherein this channel oscilloscope control module is to provide in turn to the channel oscilloscope of this first number with the mode of TCM power supply output or the input signal with the power supply unit of this second number.
12. power supply test control circuit according to claim 9, wherein this channel oscilloscope control module is made up of several relay switches.
13. power supply test control circuit according to claim 9, wherein this power supply test control circuit also comprises:
Several power supply unit change-over switches are coupled between this electronic installation and the said power supply unit, in order to open and to close the input, address state etc. of said power supply unit or control power supply unit respectively according to this control signal.
14. power supply test control circuit according to claim 9, wherein this power supply test control circuit also comprises:
One signal transport interface is coupled between this electronic installation and the said power supply unit, in order to transmit the signal between this electronic installation and this power supply unit.
15. on the 14th said power supply test control circuit according to claim 14 of claim, wherein this signal transport interface also comprises:
One signal conversion unit is in order to change the signal format that communication is adopted between this electronic installation and this power supply unit.
16. power supply test control circuit according to claim 9, wherein this power supply test control circuit also comprises:
One pulse width modulation controlled unit is coupled between this electronic installation and the said power supply unit, in order to the dutycycle according to a pulse-width signal on this this power supply unit of control signal control.
17. a power supply test control method comprises:
One control signal is provided;
One oscillograph is provided, and wherein this oscillograph has the channel oscilloscope of first number, in order to show the waveform of the signal that said channel oscilloscope receives; And
Power supply output or input signal according to the control of this control signal with the power supply unit of second number optionally provide to the channel oscilloscope of this first number.
18. power supply test control method according to claim 17, wherein this second number is higher than this first number.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110098600.2A CN102736037B (en) | 2011-04-15 | 2011-04-15 | power supply test control circuit, system and method |
| TW100119128A TWI534448B (en) | 2011-04-15 | 2011-06-01 | Circuit, system and method for testing and controlling power suppliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110098600.2A CN102736037B (en) | 2011-04-15 | 2011-04-15 | power supply test control circuit, system and method |
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| Publication Number | Publication Date |
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| CN102736037A true CN102736037A (en) | 2012-10-17 |
| CN102736037B CN102736037B (en) | 2015-11-25 |
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| CN201110098600.2A Active CN102736037B (en) | 2011-04-15 | 2011-04-15 | power supply test control circuit, system and method |
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| CN (1) | CN102736037B (en) |
| TW (1) | TWI534448B (en) |
Cited By (3)
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| CN106444704A (en) * | 2016-09-26 | 2017-02-22 | 中车大连电力牵引研发中心有限公司 | Current transformer controller testing system |
| CN108957355A (en) * | 2017-05-17 | 2018-12-07 | 特克特朗尼克公司 | Pass through the modular power monitoring of the attachment interface of test and sensing device |
| CN109164399A (en) * | 2018-09-10 | 2019-01-08 | 大族激光科技产业集团股份有限公司 | Power detecting system and test method |
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| CN104345757B (en) * | 2013-07-26 | 2016-08-24 | 台达电子电源(东莞)有限公司 | Electric power detecting and correcting unit and electric power detecting and bearing calibration |
| CN106353694A (en) * | 2016-09-06 | 2017-01-25 | 株洲中车时代电气股份有限公司 | Testing device and method for power channel of railway vehicle transmission control unit |
| TWI738516B (en) * | 2020-09-18 | 2021-09-01 | 英業達股份有限公司 | Power supply detection system for server power supply switching control and method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106444704A (en) * | 2016-09-26 | 2017-02-22 | 中车大连电力牵引研发中心有限公司 | Current transformer controller testing system |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201241461A (en) | 2012-10-16 |
| CN102736037B (en) | 2015-11-25 |
| TWI534448B (en) | 2016-05-21 |
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