CN102830296A - Power supply ripple interference test method and system - Google Patents
Power supply ripple interference test method and system Download PDFInfo
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- CN102830296A CN102830296A CN2011101633084A CN201110163308A CN102830296A CN 102830296 A CN102830296 A CN 102830296A CN 2011101633084 A CN2011101633084 A CN 2011101633084A CN 201110163308 A CN201110163308 A CN 201110163308A CN 102830296 A CN102830296 A CN 102830296A
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Abstract
The invention provides a power supply ripple interference test method and system. The method comprises the steps of: obtaining preset parameters, carrying out initialization self-checking according to the preset parameters and an excitation parameter and outputting a power supply ripple, wherein the preset parameters comprise a frequency value of the point to be tested and a standard level value corresponding to the frequency value of the point to be tested, and the excitation parameter comprises an excitation amplitude value corresponding to the frequency value of the point to be tested and the standard level output value; and testing the equipment to be tested, and carrying out real-time verification on the power supply ripple. The system comprises an initialization self-checking module and a real-time verification and test module, wherein the initialization self-checking module is used for obtaining the preset parameters, carrying out initialization self-checking according to the preset parameters and the excitation parameter and outputting the power supply ripple; and the real-time verification and test module is used for obtaining the power supply ripple, testing the equipment to be tested, and carrying out real-time verification on the power supply ripple. By adopting the method and system, the testing efficiency and measurement accuracy are effectively improved, therefore, the efficiency and accuracy requirements in a power supply ripple interference test process of automobile electronic equipment are met.
Description
Technical field
The present invention relates to a kind of method of testing and system, relate in particular to a kind of power supply ripple disturbed test method and system, belong to electronic communication field.
Background technology
Along with the develop rapidly of auto industry and electronics industry, nowadays increasing vehicle electronics appear on the market.These vehicle electronics, for example, ignition coil, illuminating lamp, pilot lamp, wiper, vehicle window, antenna lifter, GPS (Global Positioning System; Be called for short: GPS) etc.; Realizing extremely various function at automotive interior, like driving safety function, deixis; Anti-theft feature, the control function of driving process and driver's comfort conditioned function and amusement function or the like.Now, vehicle electronics are being brought into play irreplaceable effect at aspects such as improving vehicle dynamic quality, economy, security, riding stability and riding comfort.
Yet; Because most vehicle electronics all are to obtain power supply through being connected with the power bus of automobile; That is to say that in vehicle ' vehicle electronics obtain power supply through generator and accumulator parallel connection, so; Under normal circumstances, these vehicle electronics are the influences that continue to be subjected to power supply ripple.Whether therefore, test these vehicle electronics can will be extremely important for the quality testing of vehicle electronics having operate as normal under the power supply environment that ripple disturbs.
Because existing power supply ripple disturbed test system is the integrated of electronic apparatus, electronic devices and components can occur wearing out under long-time situation about using, and therefore can cause the change of its parameter, thereby cause the output parameter of power supply ripple disturbed test system inaccurate.Yet existing power supply ripple disturbed test method is through the ripple of analog power vehicle electronics to be tested, and output parameter is accurate when guaranteeing initial testing, before test, need carry out artificial correction to the output parameter of each measurement point.When substantive test, the efficient that this will seriously measure.And, even before test, carried out correction, in test process, because many factor affecting of system,, also can't guarantee the accurate constantly of output parameter like the influence of temperature, humidity for electronic devices and components.Therefore; Existing power supply ripple disturbed test method; Exist the shortcoming of can't the auto-initiation self checking and can't regulate constantly; Caused the low and low problem of measuring accuracy of testing efficiency, thereby, can not satisfy in the power supply ripple disturbed test process of vehicle electronics requirement for efficient and precision.
Summary of the invention
The object of the present invention is to provide a kind of power supply ripple disturbed test method and system; Be used for solving the low and low problem of measuring accuracy of prior art testing efficiency, thereby satisfy in the power supply ripple disturbed test process of vehicle electronics requirement for efficient and precision.
To achieve these goals, the present invention provides a kind of power supply ripple disturbed test method, comprising:
To achieve these goals, the present invention provides a kind of power supply ripple disturbed test system, comprising:
Initialization self checking module; Be used to obtain parameter preset; Carry out the initialization self checking according to parameter preset and excitation parameters; Out-put supply ripple, parameter preset comprise tested point frequency values and the fiduciary level value corresponding with the tested point frequency values, and excitation parameters comprises and tested point frequency values and the corresponding excitation amplitude of fiduciary level output valve;
Verification constantly and test module obtain power supply ripple, Devices to test is tested, and power supply ripple is carried out verification constantly.
Power supply ripple disturbed test method and system provided by the invention; Through carrying out the initialization self checking according to parameter preset and excitation parameters, reduced artificial operation, improved testing efficiency; And the verification constantly through to carrying out in the test process of Devices to test has improved test accuracy.
Description of drawings
Fig. 1 is the schematic flow sheet of power supply ripple disturbed test method embodiment of the present invention;
Fig. 2 is the schematic flow sheet of step 100 among the power supply ripple disturbed test method embodiment of the present invention;
Fig. 3 is the schematic flow sheet of step 200 among the power supply ripple disturbed test method embodiment of the present invention;
Fig. 4 is the schematic flow sheet of step between step 110 among the power supply ripple disturbed test method embodiment of the present invention and the step 120;
Fig. 5 is the schematic flow sheet of step between step 100 among the power supply ripple disturbed test method embodiment of the present invention and the step 200;
Fig. 6 is the structural representation of power supply ripple disturbed test system embodiment of the present invention;
Fig. 7 is the structural representation of the initialization self checking module of power supply ripple disturbed test system embodiment of the present invention;
Fig. 8 is the verification constantly of power supply ripple disturbed test system embodiment of the present invention and the structural representation of test module;
Fig. 9 is the structural representation of power supply ripple disturbed test another embodiment of system of the present invention.
Embodiment
Further specify the technical scheme of the embodiment of the invention below in conjunction with accompanying drawing and specific embodiment.
The present invention provides a kind of power supply ripple disturbed test method, and Fig. 1 is the schematic flow sheet of power supply ripple disturbed test method embodiment of the present invention, and as shown in Figure 1, this method comprises the steps:
In sum, power supply ripple disturbed test method provided by the invention, at first; Carry out the initialization self checking according to parameter preset, reduced artificial operation, improved testing efficiency; Secondly, in to the test process of Devices to test, carry out verification constantly, improved test accuracy; Therefore, satisfied in the power supply ripple disturbed test process of vehicle electronics requirement for efficient and precision.
Based on the foregoing description, Fig. 2 is the schematic flow sheet of step 100 among the power supply ripple disturbed test method embodiment of the present invention.As shown in Figure 2, step 100 comprises in the power supply ripple disturbed test method provided by the invention:
In sum, above-mentioned steps has been accomplished initialization self checking process, has reduced artificial operation, has improved testing efficiency, thereby, satisfied in the power supply ripple disturbed test process of vehicle electronics requirement for efficient.
Based on the foregoing description, Fig. 3 is the schematic flow sheet of step 200 among the power supply ripple disturbed test method embodiment of the present invention.As shown in Figure 3, step 200 specifically comprises in the power supply ripple disturbed test method provided by the invention:
In sum, above-mentioned steps has been accomplished the checking procedure constantly to the test of Devices to test the time, has improved test accuracy, thereby, satisfied in the power supply ripple disturbed test process of vehicle electronics requirement for precision.
Based on the foregoing description, Fig. 4 is the schematic flow sheet of step between step 110 among the power supply ripple disturbed test method embodiment of the present invention and the step 120.As shown in Figure 4, power supply ripple disturbed test method provided by the invention can also comprise between step 110 and step 120:
Steps A 1, obtain power supply ripple to be verified;
Steps A 2, power supply ripple to be verified is carried out visual output and/or writes down the correlation parameter of power supply ripple to be verified, the correlation parameter of power supply ripple to be verified comprises frequency and level.Wherein, visual output can adopt oscillograph to carry out the signal demonstration.Yet, the invention is not restricted to this, also can adopt additive method to carry out visualization display, for example utilize common computer to show; The correlation parameter that writes down power supply ripple to be verified can utilize computing machine to carry out record.
Steps A 3, export power supply ripple to be verified.
In sum; Above-mentioned steps is through carrying out visual output and/or writing down the correlation parameter of power supply ripple to be verified to power supply ripple to be verified; Make the user can be more friendly and see the data constantly in the whole initialization self checking process more flexibly, and the data foundation is provided for safeguarding.
Based on the foregoing description, Fig. 5 is the schematic flow sheet of step between step 100 among the power supply ripple disturbed test method embodiment of the present invention and the step 200.As shown in Figure 5, power supply ripple disturbed test method provided by the invention can also comprise between step 100 and step 200:
Steps A 4, obtain power supply ripple;
Steps A 5, power supply ripple is carried out the correlation parameter of visual output and/or recording power ripple, the correlation parameter of power supply ripple comprises frequency and level.Wherein, visual output can adopt oscillograph to carry out the signal demonstration.Yet, the invention is not restricted to this, also can adopt additive method to carry out visualization display, for example utilize common computer to show; The correlation parameter of recording power ripple can utilize computing machine to carry out record.
Steps A 6, export said power supply ripple.
In sum, above-mentioned steps is carried out the correlation parameter of visual output and/or recording power ripple through power supply ripple, makes the user can more friendly and data that see verification constantly in the whole test process more flexibly, and for safeguarding the data foundation is provided.
Fig. 6 is the structural representation of power supply ripple disturbed test system embodiment of the present invention.As shown in Figure 6, power supply ripple disturbed test provided by the invention system 10 comprises:
Initialization self checking module 101; Be used to obtain parameter preset; Carry out the initialization self checking according to parameter preset and excitation parameters; Out-put supply ripple, parameter preset comprise tested point frequency values and the fiduciary level value corresponding with the tested point frequency values, and excitation parameters comprises and tested point frequency values and the corresponding excitation amplitude of fiduciary level output valve; Wherein, obtaining the parameter preset that user 20 is provided with in the initialization self checking module 101 is to realize through computing machine; Carrying out the initialization self checking according to parameter preset in the initialization self checking module 101 also is to realize through computing machine; The out-put supply ripple is to produce the level of drive through signal source in the initialization self checking module 101, and amplifies through power amplifier and to realize, also can adopt other equipment to realize, for example, exports with the computing machine simulating signal.Said process can adopt USB connection, netting twine connection etc. as adopting wire transmission.
Verification constantly and test module 102 obtain power supply ripple, Devices to test 30 is tested, and power supply ripple is carried out verification constantly.Wherein, to carry out verification constantly be to realize through computing machine to 102 pairs of power supply ripples of verification constantly and test module.Said process can adopt USB connection, netting twine connection etc. as adopting wire transmission.
In sum, power supply ripple disturbed test provided by the invention system 10, at first; Initialization self checking module 101 is carried out the initialization self checking according to parameter preset, has reduced artificial operation, has improved testing efficiency; Secondly, verification constantly and test module 102 carry out verification constantly in to the test process of Devices to test 30, improved test accuracy; Therefore, satisfied in the power supply ripple disturbed test process of vehicle electronics requirement for efficient and precision.
Based on the foregoing description, Fig. 7 is the structural representation of the initialization self checking module of power supply ripple disturbed test system embodiment of the present invention.As shown in Figure 7, the initialization self checking module 101 of power supply ripple disturbed test provided by the invention system comprises:
Power supply ripple generation unit 1011 to be measured is used to obtain parameter preset, and according to parameter preset and excitation parameters, generates power supply ripple to be verified; Wherein, the power supply ripple generation unit 1011 to be measured of present embodiment is made up of signal source and power amplifier, and signal source produces the level of drive; And through power amplifier amplification out-put supply ripple; Yet, the invention is not restricted to this, can comprise that also other equipment realize power supply ripple generation unit 1011 to be measured; For example, export with the computing machine simulating signal.
Initialization self checking unit 1012 is used to obtain power supply ripple to be verified, and power supply ripple to be verified is carried out verification, when verification is passed through, exports said power supply ripple, and is obstructed out-of-date when verification, regulates said excitation parameters.The initialization self checking unit 1012 that present embodiment adopts is computing machines.
In sum; The power supply ripple generation unit to be measured 1011 and the initialization self checking unit 1012 of power supply ripple disturbed test provided by the invention system; Accomplish the output of initialization self checking process and power supply ripple, reduced artificial operation, improved testing efficiency; Thereby, satisfied in the power supply ripple disturbed test process of vehicle electronics requirement for efficient.
Based on the foregoing description, Fig. 8 is the verification constantly of power supply ripple disturbed test system embodiment of the present invention and the structural representation of test module.As shown in Figure 8, the verification constantly and the test module 102 of power supply ripple disturbed test provided by the invention system comprise:
Power supply ripple acquiring unit 1021 is used to obtain power supply ripple;
Constantly verification unit 1023, be used for power supply ripple is carried out verification constantly, and regulate excitation parameters according to check results.The verification constantly of 1023 pairs of power supply ripples of verification unit is to realize through computing machine constantly.Said process can adopt USB connection, netting twine connection etc. as adopting wire transmission.
In sum; The power supply ripple acquiring unit 1021 of power supply ripple disturbed test provided by the invention system, test cell 1022 and verification unit 1023 constantly; Checking procedure constantly when having accomplished the test to Devices to test; Improved test accuracy, thereby, satisfied in the power supply ripple disturbed test process of vehicle electronics requirement for precision.
Based on the foregoing description, Fig. 9 is the structural representation of power supply ripple disturbed test another embodiment of system of the present invention.As shown in Figure 9, another embodiment of power supply ripple disturbed test provided by the invention system 10 also comprises visualization model 103, is used for carrying out data presentation constantly to power supply ripple to be verified and/or to the correlation parameter of power supply ripple.The correlation parameter of power supply ripple to be verified comprises the frequency values and the level value of power supply ripple to be verified, and the correlation parameter of power supply ripple comprises the frequency values and the level value of power supply ripple.Present embodiment adopts oscillograph as visualization model 103.Yet, the invention is not restricted to this, also can adopt additive method to carry out visualization display, for example utilize common computer to show.
In sum; The visualization model 103 of power supply ripple disturbed test provided by the invention system 10; Carry out visual output through power supply ripple to be verified and/or power-supply ripple; Make user 20 can be more friendly and see the initialization self checking more flexibly and/or watch data easily in the checking procedure constantly, make measuring process more directly perceived, more convenient.
Based on the foregoing description; As shown in Figure 9; Another embodiment of power supply ripple disturbed test provided by the invention system 10 also comprises logging modle 104; Be used to write down the correlation parameter of power supply ripple to be verified and/or said power supply ripple, the correlation parameter of power supply ripple to be verified comprises the frequency values and the level value of power supply ripple to be verified, and the correlation parameter of power supply ripple comprises the frequency values and the level value of said power supply ripple.Present embodiment adopts computing machine that data are carried out record, can adopt USB connection, netting twine connection etc.In sum; The logging modle 104 of power supply ripple disturbed test provided by the invention system 10; Through power supply ripple and/or power-supply ripple are carried out record, make user 20 can obtain initialization self checking and/or data in the checking procedure constantly, and it is preserved; Thereby, for the maintenance of system provides important data foundation.
In sum, output module can be exported testing result, has improved the interactive capability of signal quality detection system, has strengthened practicality.Alarm module can be worked as testing result warning reminding when unusual, has improved sensitivity and security effectively.Backup module can carry out storage backup to the result, and safeguarding for the signal quality detection system provides foundation.
Power supply ripple disturbed test method and system provided by the invention; Through carrying out the initialization self checking according to parameter preset, reduced artificial operation, improved testing efficiency; And the verification constantly through to carrying out in the test process of Devices to test 30 has improved test accuracy.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (10)
1. a power supply ripple disturbed test method is characterized in that, comprising:
Step 100, obtain parameter preset; Carry out the initialization self checking according to said parameter preset and excitation parameters; The out-put supply ripple; Said parameter preset comprises tested point frequency values and the fiduciary level value corresponding with said tested point frequency values, and said excitation parameters comprises and said tested point frequency values and the corresponding excitation amplitude of said fiduciary level output valve;
Step 200, obtain said power supply ripple, Devices to test is tested, and said power supply ripple is carried out verification constantly.
2. power supply ripple disturbed test method according to claim 1 is characterized in that said step 100 comprises:
Step 110, obtain said parameter preset, and, generate power supply ripple to be verified according to said parameter preset and said excitation parameters;
Step 120, obtain said power supply ripple to be verified, and said power supply ripple to be verified carried out verification, when verification through the time, export said power supply ripple, and execution in step 200, obstructed out-of-date when verification, regulate said excitation parameters, and execution in step 110.
3. power supply ripple disturbed test method according to claim 1 is characterized in that said step 200 comprises:
Step 210, obtain said power supply ripple, Devices to test is tested;
Step 220, said power supply ripple is carried out verification constantly, and regulate said excitation parameters according to check results.
4. power supply ripple disturbed test method according to claim 2 is characterized in that, between said step 110 and the said step 120, comprising:
Steps A 1, obtain said power supply ripple to be verified;
Steps A 2, said power supply ripple to be verified is carried out visual output and/or writes down the correlation parameter of said power supply ripple to be verified, the correlation parameter of said power supply ripple to be verified comprises the frequency values of said power supply ripple to be verified and the level value of said power supply ripple to be verified;
Steps A 3, the said power supply ripple to be verified of output.
5. power supply ripple disturbed test method according to claim 1 is characterized in that, between said step 100 and the said step 200, comprising:
Steps A 4, obtain said power supply ripple;
Steps A 5, said power supply ripple is carried out visual output and/or writes down the correlation parameter of said power supply ripple, the correlation parameter of said power supply ripple comprises the frequency values and the level value of said power supply ripple;
Steps A 6, export said power supply ripple.
6. a power supply ripple disturbed test system is characterized in that, comprising:
Initialization self checking module; Be used to obtain parameter preset; Carry out the initialization self checking according to said parameter preset and excitation parameters; Out-put supply ripple, said parameter preset comprise tested point frequency values and the fiduciary level value corresponding with said tested point frequency values, and said excitation parameters comprises and said tested point frequency values and the corresponding excitation amplitude of said fiduciary level output valve;
Verification constantly and test module obtain said power supply ripple, Devices to test is tested, and said power supply ripple is carried out verification constantly.
7. power supply ripple disturbed test according to claim 6 system is characterized in that said initialization self checking module comprises:
Power supply ripple generation unit to be measured is used to obtain said parameter preset, and according to said parameter preset and said excitation parameters, generates power supply ripple to be verified;
Initialization self checking unit is used to obtain said power supply ripple to be verified, and said power supply ripple to be verified is carried out verification, when verification is passed through, exports said power supply ripple, and is obstructed out-of-date when verification, regulates said excitation parameters.
8. power supply ripple disturbed test according to claim 6 system is characterized in that said verification constantly and test module comprise:
The power supply ripple acquiring unit is used to obtain said power supply ripple;
Test cell is used for said Devices to test is tested;
Constantly verification unit, be used for said power supply ripple is carried out verification constantly, and regulate excitation parameters according to check results.
9. power supply ripple disturbed test according to claim 6 system; It is characterized in that; Also comprise visualization model; Be used for carrying out data presentation constantly to power supply ripple to be verified and/or to the correlation parameter of power supply ripple, the correlation parameter of said power supply ripple to be verified comprises the frequency values and the level value of said power supply ripple to be verified, and the correlation parameter of said power supply ripple comprises the frequency values and the level value of said power supply ripple.
10. power supply ripple disturbed test according to claim 6 system; It is characterized in that; Also comprise logging modle; Be used to write down the correlation parameter of power supply ripple to be verified and/or power supply ripple, the correlation parameter of said power supply ripple to be verified comprises the frequency values and the level value of said power supply ripple to be verified, and the correlation parameter of said power supply ripple comprises the frequency values and the level value of said power supply ripple.
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CN105510748A (en) * | 2015-12-31 | 2016-04-20 | 杭州士兰微电子股份有限公司 | Testing device and method resistant to power noise |
WO2017143917A1 (en) * | 2016-02-24 | 2017-08-31 | 中兴通讯股份有限公司 | Noise generator, method for testing electronic device using the same, and storage medium |
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CN114370727A (en) * | 2021-12-28 | 2022-04-19 | 青岛海尔空调电子有限公司 | Compressor control method and device and air conditioner |
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