CN111157822A - Testing arrangement and system to many output port direct current charger - Google Patents
Testing arrangement and system to many output port direct current charger Download PDFInfo
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- CN111157822A CN111157822A CN202010006829.8A CN202010006829A CN111157822A CN 111157822 A CN111157822 A CN 111157822A CN 202010006829 A CN202010006829 A CN 202010006829A CN 111157822 A CN111157822 A CN 111157822A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The embodiment provides a testing device and a system for a multi-output-port direct-current charger, which comprise N testing modules, wherein each testing module comprises a charging interface and an adjustable direct-current load and battery voltage simulation unit, and the N testing modules pass through a circuit breaker K1X～KNXConnecting; the charging interface is connected with the output port to be tested; the adjustable direct current load and battery voltage simulation unit is used for simulating the direct current voltage output by the vehicle and dynamically adjusting the load according to a load distribution strategy sent by the mobile terminal; and the circuit breaker is used for opening or closing according to the distribution load strategy so as to adjust the distribution of the direct current load among different tested output ports. The device and the system provided by the embodiment can realize the function test of the multi-output-port direct current charger through the matching of software and hardware functions.
Description
Technical Field
The application relates to the technical field of direct current charging, in particular to a testing device and a testing system for a multi-output-port direct current charger.
Background
At present, in order to improve the utilization efficiency of a power module in a dc charging pile, a multi-output-port dc charger (also referred to as a flexible dc charger) is generally used for charging an electric vehicle. The multi-output-port direct current charger comprises a plurality of power modules and a plurality of output ports. The power module is used for providing electric energy, and the output port is used for outputting the electric energy to the electric automobile. In the working process of the multi-output-port direct current charger, the power of the power module can be distributed according to the working output port zero activity, so that the utilization efficiency of the power module is improved. Therefore, in order to guarantee the construction quality of the multi-output-port direct current charger, a power module test system is urgently needed to be provided.
Disclosure of Invention
The application provides a testing device and a testing system for a multi-output-port direct-current charger, which are used for testing a power module of the multi-output-port direct-current charger.
In a first aspect, the present embodiment provides a testing apparatus for a multi-output-port dc charger, including N testing modules, where each testing module includes a charging interface and an adjustable dc load and battery voltage simulation unit, and the N testing modules pass through a circuit breaker K1X～KNXConnecting; wherein the content of the first and second substances,
the charging interface is connected with the output port to be tested;
the adjustable direct current load and battery voltage simulation unit is used for simulating the direct current voltage output by the vehicle and dynamically adjusting the load according to the load distribution strategy sent by the mobile terminal;
and the circuit breaker is used for opening or closing according to the distribution load strategy so as to adjust the distribution of the direct current load among different tested output ports.
Optionally, the load distribution policy is: before the test is carried out, the N charging interfaces are initialized to the same load value PloadCalculating and
variable load P with highest matching degreeajA 1 is to PajDetermining a variable load; when entering a normal charging process and continuously outputting the stable current for 5 minutes, the charging interfaces 2 to N respectively apply respective variable loads PajIs assigned to the charging interface 1; after the charging process continuously outputs the stable current for 5 minutes, the charging interface 1, the charging interface 3 and the charging interfaces 4-N respectively apply the variable loads P to the charging interfacesajIs assigned to the charging interface 2; so circulate until the variable load P will be adjustedajDistributing the power to the charging interface N, and finishing the power distribution test of the charging power module after stabilizing the current for 5 minutes.
Optionally, a circuit breaker K1X～KNXAnd the circuit is opened or closed according to the passive hard contact signal output by the mobile terminal.
Optionally, the adjustable dc load and battery voltage simulation unit and the vehicle control and BMS function simulation unit communicate with the mobile terminal through a CAN bus.
Optionally, each of the test modules further includes a vehicle control and BMS function simulation unit for replying a response message according to a communication requirement specified by the vehicle.
In a second aspect, the present embodiment provides a test system for a multi-output port dc charger, including a mobile terminal and the test apparatus for a multi-output port dc charger described in the first aspect, where the mobile terminal is configured to perform test packet interaction with a tested output port, send the distribution load policy to the adjustable dc load and battery voltage simulation unit, and control the circuit breaker to be opened or closed according to the distribution load policy, so as to adjust distribution of the dc load among different tested output ports.
The testing device and the testing system for the multi-output-port direct-current charger provided by the embodiment can realize the function test of the multi-output-port direct-current charger through the matching of software and hardware functions, so that the testing of the flexible power distribution effect of the charging power module can be realized, and the technical blank in the current detection can be filled.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any creative effort.
Fig. 1 is a schematic diagram of a test system for a multi-output-port dc charger according to an embodiment of the present disclosure.
Fig. 2 is a first schematic diagram of a test circuit according to an embodiment of the present disclosure.
Fig. 3 is a second schematic diagram of a test circuit according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to implement the test of the power of the charging power module of the multi-output-port dc charger, the present embodiment provides a detection apparatus and a detection system for the multi-output-port dc charger.
Referring to fig. 1, the present embodiment provides a testing system for a multi-output-port dc charger. The system comprises a mobile terminal and a testing device for the multi-output-port direct-current charger. The testing device comprises N testing modules, wherein each testing module comprises a direct current charging interface meeting standard definition, an adjustable direct current load and battery voltage simulation unit and a vehicle control and BMS function simulation unit, and the N testing modules pass through a circuit breaker K1X～KNXAnd (4) connecting. Wherein N is a positive integer, such as 3, 4, 5, 10, etc., this embodimentWithout limitation, X is 1,2 or 3.
And the charging interface is connected with the output port to be tested in the test process, and the output port to be tested performs test message interaction with the mobile terminal. For example, the mobile terminal provided in this embodiment may be an intelligent electronic device such as a notebook computer and a smart phone.
The adjustable direct current load and battery voltage simulation unit is communicated with the mobile terminal through a Controller Area Network (CAN) bus, and is used for simulating the direct current voltage output by the vehicle and dynamically adjusting the load according to a load distribution strategy sent by the mobile terminal.
In one specific embodiment, the allocation load policy is: before the test is carried out, N charging interfaces are initialized to the same load value PloadCalculating and
variable load P with highest matching degreeajA 1 is to PajDetermining a variable load; when entering a normal charging process and continuously outputting the stable current for 5 minutes, the charging interfaces 2 to N respectively apply respective variable loads PajIs assigned to the charging interface 1; after the charging process continuously outputs the stable current for 5 minutes, the charging interface 1, the charging interface 3 and the charging interfaces 4-N respectively apply the variable loads P to the charging interfacesajIs assigned to the charging interface 2; so circulate until the variable load P will be adjustedajDistributing the power to the charging interface N, and finishing the power distribution test of the charging power module after stabilizing the current for 5 minutes.
And the vehicle control and BMS function simulation unit is communicated with the mobile terminal through a CAN bus and is used for replying a response message according to the communication requirement specified by the vehicle. In addition, in this test system, the vehicle control and BMS function simulation unit detects whether the connection is normal through "CC 1, CC 2" on the corresponding charging interface.
Breaker K1X～KNXAccording to the passive hard contact signal output by the mobile terminal, and according to the load distribution strategy to straightenThe distribution of the flow load among the different output ports under test. Wherein X is 1,2 or 3.
In the above device, N groups of adjustable DC loads and circuit breakers K1X～KNXForming N adjustable load circuits.
During the initialization phase of the test, the N adjustable load circuits are illustratively initially connected as shown in fig. 2. For example, the 1 st adjustable load circuit includes a base load R11、R12Variable load R13Breaker K11、K12And K13And a connector X11、X12(ii) a And, the positive electrode, R of the charging interface11、R12、K11、X11、R13、X12、K12And the negative electrode of the charging interface are sequentially connected in series, K13Is connected at one end to R12And K11Another end is connected to K12And the negative electrode of the charging interface.
During the test phase, the N adjustable load circuits are tested for connection in the manner shown in fig. 3. For example, in group 1 adjustable dc load circuit breaker K1XMiddle, positive electrode of charging interface, R11、R12、K11And X11The negative electrodes are sequentially connected in series and then connected with the 1 st positive electrode of the positive electrode plug-in connector; negative electrode and K of charging interface12And X12After being sequentially connected in series, the positive electrodes of the positive electrode connector are connected with the 1 st negative electrode of the negative electrode connector; k13Is connected at one end to R12And K11Another end is connected to K12And the negative pole of the direct current output port. In fig. 3, the negative electrode and X of the positive electrode connector are illustrated with N being 311Positive electrode of (2), R13、X11、R23、X21、X32The negative electrode of (2) and the positive electrode of the negative electrode connector are connected in series in sequence.
The mobile terminal is used for carrying out test message interaction with the output port to be tested, sending the distribution load strategy to the adjustable direct current load and battery voltage simulation unit and controlling the breaker K according to the distribution load strategy1X～KNXEither the opening or the closing of the valve,to adjust the distribution of the DC load among different output ports to be tested.
The testing device and the testing system for the multi-output-port direct-current charger provided by the embodiment can realize the function test of the multi-output-port direct-current charger through the matching of software and hardware functions, so that the testing of the flexible power distribution effect of the charging power module can be realized, and the technical blank in the current detection can be filled.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It is to be understood that the present application is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (6)
1. A testing device for a multi-output-port direct-current charger is characterized by comprising N testing modules, wherein each testing module comprises a charging interface and an adjustable direct-current load and battery voltage simulation unit, and the N testing modules are used for testing the voltage of the batteryTest module pass circuit breaker K1X～KNXConnecting; wherein the content of the first and second substances,
the charging interface is connected with the output port to be tested;
the adjustable direct current load and battery voltage simulation unit is used for simulating the direct current voltage output by the vehicle and dynamically adjusting the load according to the load sending and distributing strategy of the mobile terminal;
and the circuit breaker is used for opening or closing according to the distribution load strategy so as to adjust the distribution of the direct current load among different tested output ports.
2. The device according to claim 1 or 2, characterized in that the distribution load policy is:
before the test is carried out, initializing the N charging interfaces to the same load value PloadCalculating and
variable load P with highest matching degreeajA 1 is to PajDetermining a variable load;
when entering a normal charging process and continuously outputting the stable current for 5 minutes, the charging interfaces 2 to N respectively apply respective variable loads PajIs assigned to the charging interface 1; after the charging process continuously outputs the stable current for 5 minutes, the charging interface 1, the charging interface 3 and the charging interfaces 4-N respectively apply the variable loads P to the charging interfacesajIs assigned to the charging interface 2; so circulate until the variable load P will be adjustedajDistributing the power to the charging interface N, and finishing the power distribution test of the charging power module after stabilizing the current for 5 minutes.
3. The testing device for the multi-output-port direct-current charger according to claim 1, wherein the circuit breaker K is1X～KNXAnd the circuit is opened or closed according to the passive hard contact signal output by the mobile terminal.
4. The testing device for the multi-output port dc charger according to claim 1, wherein the adjustable dc load and battery voltage simulation unit and the vehicle control and BMS function simulation unit communicate with the mobile terminal through a CAN bus.
5. The testing device for the multi-output-port direct-current charger according to claim 1, wherein each of the testing modules further comprises a vehicle control and BMS function simulation unit for replying a response message according to a communication requirement specified by a vehicle.
6. A test system for a multi-output-port direct-current charger, which is characterized by comprising a mobile terminal and the test device for the multi-output-port direct-current charger according to any one of claims 1 to 5,
the mobile terminal is used for interacting test messages with the output port to be tested, sending the distribution load strategy to the adjustable direct current load and battery voltage simulation unit, and controlling the breaker to be opened or closed according to the distribution load strategy so as to regulate the distribution of the direct current load among different output ports to be tested.
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| CN202010006829.8A CN111157822A (en) | 2020-01-03 | 2020-01-03 | Testing arrangement and system to many output port direct current charger |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08336205A (en) * | 1995-04-07 | 1996-12-17 | Nippon Soken Inc | Battery charger for hybrid vehicle |
| CN106501642A (en) * | 2016-10-21 | 2017-03-15 | 天津市普迅电力信息技术有限公司 | A kind of portable testing equipment of direct-current charging post |
| CN107238766A (en) * | 2017-04-19 | 2017-10-10 | 国网浙江省电力公司电动汽车服务分公司 | A kind of electric automobile charging pile portable detector and its method |
| CN107247205A (en) * | 2017-07-14 | 2017-10-13 | 四川德阳德仪电子仪器有限公司 | One-to-many charging pile calibrating installation |
| CN107807290A (en) * | 2017-10-30 | 2018-03-16 | 国网浙江省电力公司电动汽车服务分公司 | Direct-current charging post detecting system and detection method |
| CN108303605A (en) * | 2017-12-29 | 2018-07-20 | 国网北京市电力公司 | Direct-current charging post detecting system and method |
| CN109212351A (en) * | 2018-09-12 | 2019-01-15 | 国网重庆市电力公司电力科学研究院 | A kind of electric car non-on-board charger automatic checkout system and method |
| CN109444614A (en) * | 2018-12-25 | 2019-03-08 | 广东电网有限责任公司 | A kind of non-on-board charger detection device |
| CN208654262U (en) * | 2018-08-23 | 2019-03-26 | 上汽大众汽车有限公司 | A kind of electric automobile and vehicle-mounted charger test device |
-
2020
- 2020-01-03 CN CN202010006829.8A patent/CN111157822A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08336205A (en) * | 1995-04-07 | 1996-12-17 | Nippon Soken Inc | Battery charger for hybrid vehicle |
| CN106501642A (en) * | 2016-10-21 | 2017-03-15 | 天津市普迅电力信息技术有限公司 | A kind of portable testing equipment of direct-current charging post |
| CN107238766A (en) * | 2017-04-19 | 2017-10-10 | 国网浙江省电力公司电动汽车服务分公司 | A kind of electric automobile charging pile portable detector and its method |
| CN107247205A (en) * | 2017-07-14 | 2017-10-13 | 四川德阳德仪电子仪器有限公司 | One-to-many charging pile calibrating installation |
| CN107807290A (en) * | 2017-10-30 | 2018-03-16 | 国网浙江省电力公司电动汽车服务分公司 | Direct-current charging post detecting system and detection method |
| CN108303605A (en) * | 2017-12-29 | 2018-07-20 | 国网北京市电力公司 | Direct-current charging post detecting system and method |
| CN208654262U (en) * | 2018-08-23 | 2019-03-26 | 上汽大众汽车有限公司 | A kind of electric automobile and vehicle-mounted charger test device |
| CN109212351A (en) * | 2018-09-12 | 2019-01-15 | 国网重庆市电力公司电力科学研究院 | A kind of electric car non-on-board charger automatic checkout system and method |
| CN109444614A (en) * | 2018-12-25 | 2019-03-08 | 广东电网有限责任公司 | A kind of non-on-board charger detection device |
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