CN103852671A - Method for testing dynamic balance of electric quantity of car - Google Patents
Method for testing dynamic balance of electric quantity of car Download PDFInfo
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- CN103852671A CN103852671A CN201410119913.5A CN201410119913A CN103852671A CN 103852671 A CN103852671 A CN 103852671A CN 201410119913 A CN201410119913 A CN 201410119913A CN 103852671 A CN103852671 A CN 103852671A
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- 238000012360 testing method Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title abstract description 5
- 238000010998 test method Methods 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 238000007405 data analysis Methods 0.000 claims description 4
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000005611 electricity Effects 0.000 abstract description 8
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
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- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
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Abstract
The invention relates to a method for testing dynamic balance of electric quantity of a car. The test method comprises the following steps: (1) arranging a sensor on the car; (2) mounting a test storage battery on the car; (3) carrying out a dynamic test and recording data according to determined route and time; (4) starting the electricity loads in sequence; (5) analyzing and judging the data acquired by a data acquisition unit after ending the test. The method can be used for really and effectively evaluating the balance performance of the electric quantity of the car, so that an electric generator, a storage battery and the vehicle electricity loads can be well matched, the problems that the energy source is wasted and the cost is increased as the selection types of the electric generator and the storage battery are too large, or the electricity used by the vehicle cannot be met as the selection types of the electric generator and the storage battery are too small, can be avoided. Meanwhile, if the high-power electricity load work is abnormal, the abnormity can be monitored.
Description
Technical field
The present invention relates to automobile circuit system, be specifically related to the test method of a kind of vehicle complete vehicle electric weight mobile equilibrium.
Background technology
Automobile circuit system is made up of accumulator, generator and each electricity consumption load.Electrobalance refers to generator, accumulator and the mutual restricting relation that produces and consume with the electric weight between electric loading.When generator output voltage is during higher than battery tension, generator is to charge in batteries, simultaneously for providing power supply by electric loading; When generator output voltage is during lower than battery tension, battery discharging, by generator and accumulator jointly to electricity consumption load supplying.Like this, because vehicle behavior is different, the engine speed moment changes, and the generated energy of generator also changes thereupon, adds weather conditions and the impact by load status, and car load electric weight will reach a kind of dynamic balance.
In prior art, also there are some test methods in vehicle complete vehicle electric quantity balancing, but test method and judgment criteria, through real vehicle checking, exist some problems, cannot pass judgment on test findings authentic and validly.
Summary of the invention
The object of the present invention is to provide the test method of a kind of vehicle complete vehicle electric weight mobile equilibrium, can carry out efficiency test judge to vehicle complete vehicle electric quantity balancing state.
Concrete technical scheme is as follows:
A test method for vehicle complete vehicle electric weight mobile equilibrium, comprises the steps:
(1) placement sensor on vehicle;
(2) installation test accumulator on vehicle;
(3) carry out dynamic test record data according to route and the time of specifying;
(4) open in order electrical appliance load;
(5) data analysis and the judgement that after off-test, data acquisition unit are gathered.
Further, will school zero after installation of sensors in step (1), between step (1) and (2), also comprise the preheating step of vehicle: startup vehicle, idle 20min.
Further, accumulator pre-service before overtesting described in step (2): by battery condition tester, accumulator is charged completely, then with I
20current discharge to the C of the actual electric weight of accumulator
0%, then more than the standing 1h of normal temperature.
Further, while starting to test in step (3), open data acquisition unit and carry out record data.
Further, vehicle battery is replaced by the non-test accumulator of using after also comprising off-test in step (5).
Further, described in step (5), data analysis and judgement are comprised to the C that measures test accumulator
20.
Further, described in step (1), sensor comprises: the generator power supply electrode line sensor that detects dynamo current, detect the battery positive voltage line sensor of accumulator cell charging and discharging electric current, detect electrical appliance kit power lead and the cooling fan power lead sensor of electrical appliance load total current, detect generator positive terminal and the bonding sensor of generator voltage, detect the accumulator two pole sensors of accumulator voltage, detect the accumulator of accumulator meter surface temperature near engine side senser, detect the sensor of the generator body surface of generator table surface temperature, detect the sensor at the outside rear-view mirror back side, left side of vehicle regional environment temperature of living in, detect the engine water outlet sensor of cooling water outlet temperature, detect the sensor of the signals of rotational speed sensor line of engine speed.
Further, also comprise the sensor for detection of main electrical appliance load detecting, main electrical appliance load comprises cooling fan electric current, left and right dipped headlights voltage, blower current, ESP electric current, at its power lead place, sensor is set.
Further, before setting test, accumulator capacity is the C of actual measurement capacity
0%, after test, accumulator capacity will meet: after the working condition tests of city, accumulator capacity must not be lower than the C of actual measurement capacity
1%, and/or after idling operation test, accumulator capacity is not less than the C of actual measurement capacity
2%, and/or after city integrated working condition tests, accumulator capacity is not less than the C of actual measurement capacity
3when %, judge that car load electric weight reaches mobile equilibrium.
Further, after recovering normal temperature, measures by accumulator the C of accumulator
20.
The present invention is divided into idling operation, city operating mode and three operating modes of city integrated operating mode electric quantity balancing dynamic test, consider again the impact that is subject to environmental baseline by load status simultaneously, every kind of operating mode do respectively again the snowing night in winter and rainy nights two in summer class electric loading test, the present invention has also done detailed definition to road conditions and driving conditions and test period.
Compared with currently available technology, the present invention can make authentic and valid evaluation to vehicle complete vehicle electric quantity balancing performance, make generator, accumulator and car load electric loading can reach good coupling, can be good at evading generator, accumulator type selecting is excessive, cause energy dissipation and cost to increase, or type selecting is too small, can not meet the problem that car load electricity consumption needs.If high-power electricity consumption loaded work piece is abnormal simultaneously, also can monitor out.Specifically:
1, be divided into rainy night in summer and snowing nights in winter two class by electric loading, every kind of operating mode all will be carried out respectively the test of two class loads;
2, road conditions and driving conditions test period have been done to detailed definition;
3, before test, accumulator capacity defines according to actual conditions;
4, using accumulator capacity as evaluation criterion.
Accompanying drawing explanation
Fig. 1 vehicle complete vehicle electric quantity balancing dynamic test control point installation of sensors schematic diagram.
Fig. 2 vehicle complete vehicle electric quantity balancing dynamic test FB(flow block).
Embodiment
Describe the present invention with reference to the accompanying drawings below, it is a kind of preferred embodiment in numerous embodiments of the present invention.Electric quantity balancing operating condition of test of the present invention is divided into idling operation, city operating mode and city integrated operating mode.
1 test method
1.1 road conditions and driving conditions
City and city integrated working condition tests: road conditions require max. speed to be no more than N
0the larger urban road of vehicle flowrate, when test, require with wagon flow driving, must not overtake other vehicles, MT automobile gear level and speed of a motor vehicle corresponding relation are as table 1.
Idling operation: test in testing laboratory, city integrated operating mode idling part requires near that starts place at city operating mode route to carry out.
Table 1 speed of a motor vehicle and gear mapping table
| Sequence number | The speed of a motor vehicle (km/h) | Gear |
| 1 | ＜N 1 | 1 |
| 2 | ≥N 2 | 2 |
| 3 | ≥N 3 | 3 |
| 4 | ≥N 4 | 4 |
| 5 | ≥N 5 | 5 |
1.2 need the point of monitoring
1) dynamo current; 2) accumulator cell charging and discharging electric current; 3) electrical appliance load total current; 4) generator voltage; 5) accumulator voltage; 6) accumulator meter surface temperature; 7) generator table surface temperature; 8) vehicle regional environment temperature of living in; 9) cooling water outlet temperature; 10) engine speed; 11) main electrical appliance load detecting (choosing is surveyed as required): comprise cooling fan electric current, left and right dipped headlights voltage, blower current, ESP electric current etc., accompanying drawing 1 is shown in by installation of sensors schematic diagram
1.3 electrical appliance load condition definition
Electrical appliance load condition definition point two classes a: class is the load that rainy night in summer supposition environmental baseline need to be opened, another kind of is the load that snowing night in winter supposition environmental baseline need to be opened, idling operation test, city working condition tests, these three kinds of operating modes of city integrated working condition tests all will be done respectively the test of two class loads.
1) idling operation electrical appliance load condition definition reference table 2;
2) city operating mode electrical appliance load condition definition reference table 3;
3) city integrated operating mode idling operation part electrical appliance load definition reference table 2, city operating mode partial reference table 3.
The definition of table 2 idling operation electrical appliance load condition
Accumulator pre-service before 1.4 tests:
By battery condition tester, accumulator is charged completely, then discharge (with I
20electric current) to the C of the actual electric weight of accumulator
0%, then more than the standing 1h of normal temperature.
1.5 test period
City and city integrated working condition tests require evening come off duty rush hour section carry out, idling operation does not require concrete test period.
Wherein, in service allows of short duration parking to have a rest (must not exceed 15 minutes), and when rest, vehicle will stop working, and must not open electrical appliance load.
1.6 test method
1) installation of sensor: vehicle is installed to sensor, and by sensor school zero (particularly accumulator cell charging and discharging sensor).
2) start vehicle, idle 20min, carries out preheating to generator.
3) installation test accumulator: first utilize non-test accumulator that automobile is left to test site, then stop and change pretreated accumulator.
4) start test: open data acquisition unit and start record data, start immediately vehicle and carry out actual road test.
5) progressively open electrical appliance load according to load definition table 2,3 order, after city integrated operating mode idling part finishes, Close All is wanted in the electrical appliance load that can directly close, after city operating mode part starts, progressively opens electrical appliance load again according to the order of table 3.Because opening traffic safety electrical appliance temporarily, road conditions reason need in testing record sheet, be recorded (as open in table not row electrical appliance load and need record opening time, reason etc.);
6) after off-test, in time test accumulator is replaced by the non-test accumulator of using, after accumulator recovers normal temperature, measures the C of accumulator
20, accompanying drawing 2 is shown in by experiment process block diagram.
The operating mode electrical appliance load condition definition of table 3 city
2 result judgements
1) after the working condition tests of city, accumulator capacity must not be lower than the C of actual measurement capacity
1%.
2) the rear accumulator capacity of idling operation test is not less than the C of actual measurement capacity
2%.
3) after city integrated working condition tests, accumulator capacity is not less than the C of actual measurement capacity
3%.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (10)
1. a test method for vehicle complete vehicle electric weight mobile equilibrium, is characterized in that, comprises the steps:
(1) placement sensor on vehicle;
(2) installation test accumulator on vehicle;
(3) carry out dynamic test record data according to route and the time of specifying;
(4) open in order electrical appliance load;
(5) data analysis and the judgement that after off-test, data acquisition unit are gathered.
2. the test method of vehicle complete vehicle electric weight as claimed in claim 1 mobile equilibrium, is characterized in that, will school zero after installation of sensors in step (1), between step (1) and (2), also comprise the preheating step of vehicle: startup vehicle, idle 20min.
3. the test method of vehicle complete vehicle electric weight as claimed in claim 1 or 2 mobile equilibrium, it is characterized in that, accumulator pre-service before overtesting described in step (2): pass through battery condition tester, accumulator is charged completely, again with current discharge to the actual electric weight of accumulator, then more than the standing 1h of normal temperature.
4. the test method of the vehicle complete vehicle electric weight mobile equilibrium as described in any one in claim 1-3, is characterized in that, opens data acquisition unit and carry out record data in step (3) while starting to test.
5. the test method of the vehicle complete vehicle electric weight mobile equilibrium as described in any one in claim 1-4, is characterized in that, vehicle battery is replaced by non-test use accumulator after also comprising off-test in step (5).
6. the test method of the vehicle complete vehicle electric weight mobile equilibrium as described in any one in claim 1-5, is characterized in that, described in step (5), data analysis and judgement is comprised and measures test with accumulator.
7. the test method of the vehicle complete vehicle electric weight mobile equilibrium as described in any one in claim 1-6, it is characterized in that, described in step (1), sensor comprises: the generator power supply electrode line sensor that detects dynamo current, detect the battery positive voltage line sensor of accumulator cell charging and discharging electric current, detect electrical appliance kit power lead and the cooling fan power lead sensor of electrical appliance load total current, detect generator positive terminal and the bonding sensor of generator voltage, detect the accumulator two pole sensors of accumulator voltage, detect the accumulator of accumulator meter surface temperature near engine side senser, detect the sensor of the generator body surface of generator table surface temperature, detect the sensor at the outside rear-view mirror back side, left side of vehicle regional environment temperature of living in, detect the engine water outlet sensor of cooling water outlet temperature, detect the sensor of the signals of rotational speed sensor line of engine speed.
8. the test method of vehicle complete vehicle electric weight as claimed in claim 7 mobile equilibrium, it is characterized in that, also comprise the sensor for detection of main electrical appliance load detecting, main electrical appliance load comprises cooling fan electric current, left and right dipped headlights voltage, blower current, ESP electric current, at its power lead place, sensor is set.
9. the test method of the vehicle complete vehicle electric weight mobile equilibrium as described in any one in claim 1-8, it is characterized in that, before setting test, accumulator capacity is actual measurement capacity, after test, accumulator capacity will meet: accumulator capacity must not be lower than the capacity of actual measurement after the working condition tests of city, and/or, after idling operation test, accumulator capacity is not less than actual measurement capacity, and/or, after city integrated working condition tests accumulator capacity be not less than actual measurement capacity time, judge that car load electric weight reaches mobile equilibrium.
10. the test method of vehicle complete vehicle electric weight as claimed in claim 6 mobile equilibrium, is characterized in that, recovers to measure after normal temperature accumulator until accumulator.
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Cited By (4)
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| CN104198865A (en) * | 2014-09-19 | 2014-12-10 | 南京汽车集团有限公司 | Vehicle power balance test method |
| CN105717391A (en) * | 2016-01-28 | 2016-06-29 | 奇瑞汽车股份有限公司 | Test system and method for automobile electric balance |
| CN107167691A (en) * | 2017-05-22 | 2017-09-15 | 奇瑞汽车股份有限公司 | A kind of automobile Analysis of Grounding test system and its method of testing |
| CN112678028A (en) * | 2021-01-19 | 2021-04-20 | 中车青岛四方车辆研究所有限公司 | Automatic load shedding method and automatic load shedding system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104198865A (en) * | 2014-09-19 | 2014-12-10 | 南京汽车集团有限公司 | Vehicle power balance test method |
| CN105717391A (en) * | 2016-01-28 | 2016-06-29 | 奇瑞汽车股份有限公司 | Test system and method for automobile electric balance |
| CN107167691A (en) * | 2017-05-22 | 2017-09-15 | 奇瑞汽车股份有限公司 | A kind of automobile Analysis of Grounding test system and its method of testing |
| CN112678028A (en) * | 2021-01-19 | 2021-04-20 | 中车青岛四方车辆研究所有限公司 | Automatic load shedding method and automatic load shedding system |
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