CN103576026A - Detection device for vehicle-mounted charger - Google Patents
Detection device for vehicle-mounted charger Download PDFInfo
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- CN103576026A CN103576026A CN201310522070.9A CN201310522070A CN103576026A CN 103576026 A CN103576026 A CN 103576026A CN 201310522070 A CN201310522070 A CN 201310522070A CN 103576026 A CN103576026 A CN 103576026A
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Abstract
The invention discloses a detection device for a vehicle-mounted charger. The detection device is characterized in that the detection device is a BMS upper computer which is connected to the vehicle-mounted charger respectively through an electronic power meter and a PCAN. The lower-voltage output end of the vehicle-mounted charger is connected to a lower-voltage electronic load, the higher-voltage output end of the vehicle-mounted charger is connected with a higher-voltage electronic load and an oscilloscope to simulate the real-vehicle CAN communication state and instructions are received and emitted; detection software of the BMS upper computer and the oscilloscope carry out comprehensive detection on the vehicle-mounted charger. By the adoption of the structure, the detection device for the vehicle-mounted charger has the advantages that 1, comprehensive detection can be conveniently and rapidly conducted on the vehicle-mounted charger; 2, used electric appliances are relatively low in cost, and production cost is reduced to the greatest extent; 3, the electronic load is adopted to replace a real vehicle, and detection can be conducted conveniently and rapidly.
Description
Technical field
The present invention relates to charging system for electric automobile, particularly a kind of pick-up unit of onboard charger.
Background technology
Along with petroleum-based energy is exhausted, electric energy becomes the important substitute energy that drives the vehicles day by day.At present, occurred take the automobile that various energy resources is power on market, as electric automobile and hybrid vehicle, its object is just to use to greatest extent clean energy resource, avoids as far as possible environmental pollution, reduces the consumption to non-renewable energy resources.
Principle of work and car load structure with regard to pure electric automobile, at present also in the exploratory stage, do not have very proven technique scheme, up to the present, also do not have enterprise and research institution can solve preferably the technical barrier of electric automobile.Wherein a gordian technique, is exactly the technology to battery charging.Also there is no at present can be applicable to well the solution of automobile batteries charging.The process need of battery charging solves the problems such as charging external environment condition, charge efficiency, voltage fluctuation, power back-off, overheated and short-circuit protection, under-voltage protection.
In order to address the above problem, patent CN 102023267A provides a kind of detection platform of high-power charger.This detection platform can access the truth of electrical network to battery charging by imitating charger, and can detect corresponding parameter, whole charging system is done to comprehensive study and evaluation, but this equipment configuration rates is high, test item is limited, can not reach all standing, and versatility is not strong.
For the problems referred to above, a kind of novel pick-up unit is provided, can conveniently to onboard charger, carry out complete detection is the problem that prior art need to solve.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of pick-up unit of onboard charger, to reach the object of conveniently onboard charger being carried out complete detection.
For achieving the above object, technical scheme of the present invention is that a kind of pick-up unit of onboard charger, is characterized in that: described pick-up unit is that BMS host computer is connected on onboard charger by electronic power meter and PCAN respectively; The low-voltage output of onboard charger connects Low-voltage Electronic load, and the high-voltage output end of onboard charger connects high-pressure electronic load and oscillograph, simulation real vehicle CAN communication state, transmitting-receiving instruction; By the detection software on BMS host computer and oscillograph, onboard charger is carried out to complete detection.
The input power of described pick-up unit is opened and pressure regulator access onboard charger by sky successively.
The power of described high-pressure electronic load is 4KW.
Described electronic power meter carries out communication by USB interface and BMS host computer, the data that collect by BMS host computer record.
Described BMS host computer carries out CAN communication by PCAN and onboard charger.
Described electronic power meter is arranged between pressure regulator and onboard charger, and input voltage, input current are gathered.
Described oscillograph is arranged between onboard charger and high-pressure electronic load, and output voltage is gathered.
A pick-up unit for onboard charger, owing to adopting above-mentioned structure, the invention has the advantages that: 1, can conveniently to onboard charger, carry out complete detection; 2, the electrical part cost of using is relatively low, farthest reduces production costs; 3, adopt electronic load to replace real vehicle, easy to detect quick.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation;
Fig. 1 is the structural representation of the pick-up unit of a kind of onboard charger of the present invention;
In Fig. 1,1, onboard charger; 2, BMS host computer; 3, PCAN; 4, electronic power meter; 5, Low-voltage Electronic load; 6, high-pressure electronic load; 7, oscillograph; 8, defeated, enter power supply; 9, sky is opened; 10, pressure regulator.
Embodiment
The normal charge of electric automobile mainly comprises following three aspects: in stopping for charging process, from AC network, to power battery charging (be called for short " power recharge "), the energy that supplements electrokinetic cell of take is object; In braking procedure, braking energy feedback is to power battery charging (be called for short " feedback charging "), and the braking energy raising capacity usage ratio that reclaims vehicle of take is object; In the process of moving, electrokinetic cell is to boosting battery floating charge, take and guarantees boosting battery energy and coordinate boosting battery to provide low-voltage power supply as object as vehicle.
Charging set, when accumulator of electric car is charged, because it need to carry out rectification to line voltage, therefore tends to the generation with harmonic wave, and the quality of power supply of electrical network is exerted an adverse impact.Secondly, the quality of charging set performance is also related to the length in accumulator of electric car life-span and the efficiency of charging, and well behaved charging set not only can not produce harmonic pollution to electrical network, and it is high to have charge efficiency, and battery life is affected to little feature.In addition, the charging set of function admirable should be able to bear or suppress Common Abnormity or the fault from electrical network.But in existing technology, still not can be good on the performance of charging set and on operation of power networks, affecting the perfect detection platform detecting, and then can carry out comprehensive research and evaluation to charging set performance and electrical network relative influence.Electric automobile has the features such as low-carbon environment-friendly, is the automobile developing direction in future; With the development of electric vehicle engineering, the requirement that automobile vendor improves the performance of used for electric vehicle onboard charger is day by day urgent.And used for electric vehicle onboard charger test problems is a great problem of electric automobile factory monitoring product quality, be faced with at present checkout equipment costliness, detection means is very limited, and the testboard bay not had meets the demand of electric automobile factory.The present invention can solve above-mentioned problem.
Specifically as shown in Figure 1, the present invention is that BMS host computer 2 is connected on onboard charger 1 by electronic power 4 and PCAN3 respectively; The low-voltage output of onboard charger 1 connects Low-voltage Electronic load 5, and the high-voltage output end of onboard charger 1 connects high-pressure electronic load 6 and oscillograph 7 simultaneously, by the detection software on BMS host computer 2 and 7 pairs of onboard chargers of oscillograph 1, carries out complete detection.The input power 8 of pick-up unit 1 opens 9 and pressure regulator 10 access onboard chargers 1 by sky successively.
The present invention has designed a general testboard bay, has adopted cheap equipment, can comprehensively detect the properties of onboard charger 1, and test result accurately, reliably.Pressure regulator 10, high-pressure electronic load 6, Low-voltage Electronic load 5 adopt home equipment, electronic power meter 4 and the suitable range of oscillograph 7 apolegamy, and BMS host computer 2 and PCAN3 can realize oneself's exploitation, save equipment cost; BMS host computer 2 is followed electronic power meter 4 and onboard charger 1 communication by PCAN3, simulation real vehicle CAN communication state, and transmitting-receiving instruction, and replace electrokinetic cell bag with high-pressure electronic load 6, saved real vehicle trial-production resource; High-pressure electronic load 6 apolegamy power 4KW, BMS host computer 2 storage various version softwares, assurance polytype onboard charger can be tested by testboard bay, highly versatile; Between the input power 8 of 220V and pressure regulator 10, sky is set and opens 9, guarantee test safety.Adopt new test platform, test data is reliable, comprehensively, accurately, solved the test problems of Multiple Type onboard charger, can be before entrucking to the detection of knowing the real situation of the performance of charger, avoided breaking down after entrucking, promoted greatly the progress of car load project.
The present invention includes that sky opens 9, pressure regulator 10, electronic power meter 4, BMS host computer 2, Low-voltage Electronic load 5, high-pressure electronic load 6, PCAN 3, oscillograph 7.Domestic brand is selected in pressure regulator 10, high-pressure electronic load 6, Low-voltage Electronic load 5, cost is low, pressure regulator 10 is for regulating the input voltage of onboard charger 1, Low-voltage Electronic load 5 replaces car load low-voltage load, high-pressure electronic load 6 simulation electrokinetic cell bags, select power 4KW, assurance polytype onboard charger can be tested by testboard bay, has saved real vehicle trial-production resource.The suitable range of electronic power meter 4 apolegamy, avoiding surpassing range causes cost to increase, be arranged between pressure regulator 10 and onboard charger 1, input voltage, input current are gathered, electronic power meter 4 is kept in communication by USB interface and BMS host computer 2, by BMS host computer 2, records image data.
On BMS host computer 2, store various version software, assurance polytype onboard charger can be tested by testboard bay, BMS host computer 2 carries out CAN communication by PCAN 3 with onboard charger 1, simulation real vehicle CAN communication state, transmitting-receiving instruction, can realize all charging processes of charger.The suitable range of oscillograph 7 apolegamy, avoids surpassing range and causes cost to increase, and is arranged between onboard charger 1 and high-pressure electronic load 6, and output voltage is gathered.
The present invention can test the properties of onboard charger, and concrete test event comprises: input characteristics, output characteristics, output power, input undervoltage, output is under-voltage, input overvoltage, output overvoltage, maximum input current, output ripple voltage, power factor, efficiency, output short-circuit, start short circuit, insulation voltage, insulation resistance, leakage current etc.
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 technical solution of the present invention to carry out, or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (7)
1. a pick-up unit for onboard charger, is characterized in that: described pick-up unit is that BMS host computer (2) is connected on onboard charger (1) by electronic power meter (4) with PCAN(3) respectively; The low-voltage output of onboard charger (1) connects Low-voltage Electronic load (5), and the high-voltage output end of onboard charger (1) connects high-pressure electronic load (6) and oscillograph (7), simulation real vehicle CAN communication state, transmitting-receiving instruction; By the detection software on BMS host computer (2) and oscillograph (7), onboard charger (1) is carried out to complete detection.
2. the pick-up unit of a kind of onboard charger according to claim 1, is characterized in that: the input power of described pick-up unit (8) is opened (9) and pressure regulator (10) access onboard charger (1) by sky successively.
3. the pick-up unit of a kind of onboard charger according to claim 1, is characterized in that: the power of described high-pressure electronic load (6) is 4KW.
4. the pick-up unit of a kind of onboard charger according to claim 1, is characterized in that: described electronic power meter (4) carries out communication by USB interface and BMS host computer (2), the data that collect by BMS host computer (2) record.
5. the pick-up unit of a kind of onboard charger according to claim 1, is characterized in that: described BMS host computer (2) passes through PCAN(3) carry out CAN communication with onboard charger (1).
6. the pick-up unit of a kind of onboard charger according to claim 1, is characterized in that: described electronic power meter (4) is arranged between pressure regulator (10) and onboard charger (1), and input voltage, input current are gathered.
7. the pick-up unit of a kind of onboard charger according to claim 1, is characterized in that: described oscillograph (7) is arranged between onboard charger (1) and high-pressure electronic load (6), and output voltage is gathered.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398160A (en) * | 2018-03-14 | 2018-08-14 | 济南新旭亿佰特商贸有限公司 | A kind of micro-computer multifunctional detector |
| CN108896842A (en) * | 2018-04-03 | 2018-11-27 | 浙江续航新能源科技有限公司 | A kind of automobile-mounted charger of new energy OBC Auto-Test System and method |
| CN109390993A (en) * | 2017-08-11 | 2019-02-26 | 神讯电脑(昆山)有限公司 | Onboard charger detection device and its detection method |
| CN109709941A (en) * | 2019-03-04 | 2019-05-03 | 内蒙古一机集团宏远电器股份有限公司 | A kind of vehicle-mounted pumping dirt signal box detection device |
| CN109739217A (en) * | 2019-03-04 | 2019-05-10 | 内蒙古一机集团宏远电器股份有限公司 | A kind of electrical detection device of vehicle-mounted steering wheel |
| CN111351999A (en) * | 2020-03-27 | 2020-06-30 | 深圳市倍通检测股份有限公司 | Electronic intelligent equipment detection system |
| CN111505401A (en) * | 2020-04-30 | 2020-08-07 | 东风小康汽车有限公司重庆分公司 | Ripple noise test method and system for integrated vehicle-mounted charging assembly |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109390993A (en) * | 2017-08-11 | 2019-02-26 | 神讯电脑(昆山)有限公司 | Onboard charger detection device and its detection method |
| CN109390993B (en) * | 2017-08-11 | 2022-03-18 | 神讯电脑(昆山)有限公司 | Vehicle-mounted charger detection device and detection method thereof |
| CN108398160A (en) * | 2018-03-14 | 2018-08-14 | 济南新旭亿佰特商贸有限公司 | A kind of micro-computer multifunctional detector |
| CN108896842A (en) * | 2018-04-03 | 2018-11-27 | 浙江续航新能源科技有限公司 | A kind of automobile-mounted charger of new energy OBC Auto-Test System and method |
| CN109709941A (en) * | 2019-03-04 | 2019-05-03 | 内蒙古一机集团宏远电器股份有限公司 | A kind of vehicle-mounted pumping dirt signal box detection device |
| CN109739217A (en) * | 2019-03-04 | 2019-05-10 | 内蒙古一机集团宏远电器股份有限公司 | A kind of electrical detection device of vehicle-mounted steering wheel |
| CN111351999A (en) * | 2020-03-27 | 2020-06-30 | 深圳市倍通检测股份有限公司 | Electronic intelligent equipment detection system |
| CN111505401A (en) * | 2020-04-30 | 2020-08-07 | 东风小康汽车有限公司重庆分公司 | Ripple noise test method and system for integrated vehicle-mounted charging assembly |
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