CN207232351U - A kind of alternating-current charging pile electric fault simulation system - Google Patents
A kind of alternating-current charging pile electric fault simulation system Download PDFInfo
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- CN207232351U CN207232351U CN201721004516.9U CN201721004516U CN207232351U CN 207232351 U CN207232351 U CN 207232351U CN 201721004516 U CN201721004516 U CN 201721004516U CN 207232351 U CN207232351 U CN 207232351U
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Abstract
The utility model discloses a kind of alternating-current charging pile electric fault simulation system,It is characterized in that,The system comprises alternating-current charging pile,Programmable AC Power Source,Charging interface fault simulator,Secondary centralized control system,Wherein,The Programmable AC Power Source is arranged at the input terminal of the alternating-current charging pile,The charging interface fault simulator is arranged at the output terminal of the alternating-current charging pile,The secondary centralized control system is connected to the Programmable AC Power Source and the charging interface fault simulator by data-in port,The data collection terminal mouth of the secondary centralized control system is respectively arranged at the Programmable AC Power Source,At each key point in the connecting path of the alternating-current charging pile and the charging interface fault simulator,To gather and monitor the operating status of the key point,Solve real simulation inspection of the prior art shortage to alternating-current charging pile under various harsh conditions,It is unable to the actual performance of alternating-current charging pile and lacks the means of testing of standardization,It is and further,The problem of making the electric automobile of user bring security risk in use.
Description
Technical field
It the utility model is related to New-energy electric vehicle testing field, more particularly to a kind of alternating-current charging pile electric fault mould
Plan system.
Background technology
With the progressively development of New-energy electric vehicle Industry globalization, electric automobile mainly relies on alternating-current charging pile use
Conduction pattern provides AC power as power supply unit, at present, Electric Vehicle's Alternating for the electric automobile with Vehicular charger
The typical problem of charging pile, reality factor and itself there are the problem of, urgent demand is proposed to detection business, if should
Electric automobile product wants large-scale development, its charger must have complete test, its quality just can guarantee that, the safety of automobile
It can just be protected, the product of automotive grade could sustainable development.
At present, the detection of electric vehicle alternating-current charging pile relates generally to the sides such as electric property, interoperability, communication uniformity
Face.Can wherein electrical safety detection involves alternating-current charging pile ensure the person and equipment safety when there is extreme case, because
This it is particularly important that.Such as charging pile output overcurrent of problem caused by electrical safety, charging pile output ground connection, connection exception etc. are asked
Topic.On the one hand these problems bring serious threat to personal safety and equipment safety, the stabilization of power grids, on the other hand greatly reduce
The experience of user, harmful effect is brought to society.
At present, although type experiment can be carried out before alternating-current charging pile puts goods on the market, the existing safety control in prior art
System processed is used to detect the electric safe condition of alternating-current charging pile and control with high safety in real time, but the detection to its function is only limitted to
The verification of signal rank, lacks to the real simulation inspection under various harsh conditions, it is impossible to ensures such as some high-pressure and low-pressure mistakes
Actual performance in the actual charging application of vehicle of electric safety control system in the case of Asia and charged to alternating-current charging pile
, there is the means of testing of standardization in the problems such as voltage and current run into journey, and further, influences the usage experience of user, make electricity
The electric security risk in electrical automobile field is difficult to effectively solve.
The content of the invention
The embodiment of the present application solves prior art shortage by providing a kind of alternating-current charging pile electric fault simulation system
To real simulation inspection of the alternating-current charging pile under various harsh conditions, it is impossible to the actual performance of alternating-current charging pile and shortage rule
The means of testing of generalized, and further, the problem of making the electric automobile of user bring security risk in use.
The embodiment of the present application provides a kind of alternating-current charging pile electric fault simulation system, and the system comprises AC charging
Stake, Programmable AC Power Source, charging interface fault simulator, secondary centralized control system, wherein, the Programmable AC Power Source is set
In the input terminal of the alternating-current charging pile, the charging interface fault simulator is arranged at the output terminal of the alternating-current charging pile,
The secondary centralized control system is connected to the Programmable AC Power Source and charging interface event by data-in port
Hinder simulator, the data collection terminal mouth of the secondary centralized control system is respectively arranged at the Programmable AC Power Source, the exchange
At each key point in the connecting path of charging pile and the charging interface fault simulator, to gather and monitor the key
The operating status of point.
Further, the Programmable AC Power Source includes three-phase power grid voltage source module, and the connection three-phase electricity
The rectification circuit of net voltage source module, and the inverter circuit of the connection rectification circuit.
Further, be additionally provided between the three-phase power grid voltage source module and the rectification circuit transformer circuit with
And three-phase reactor circuit, it is additionally provided with buffer resistance between the rectification circuit and the inverter circuit.
Further, the charging interface fault simulator includes Electric Vehicle's Alternating interface circuit simulator, and load
And short-circuit impedance simulator two parts.
Further, the load and short-circuit impedance simulator include short switch, resistance adjustment switch and resistance.
Further, the secondary centralized control system further includes control unit and backstage industrial personal computer, described control unit with
The data collection terminal mouth connection of the secondary centralized control system, the industrial personal computer are connected with described control unit, wherein, it is described secondary
The data of the data collection terminal mouth collection of centralized control system can be sent into described control unit, after carrying out data mart modeling processing, then send
Enter the backstage industrial personal computer.
Alternating-current charging pile electric fault simulation system, including alternating-current charging pile are provided in the embodiment of the present application, may be programmed and hand over
Galvanic electricity source, charging interface fault simulator, secondary centralized control system, the programmable friendship of the input terminal by being arranged on alternating-current charging pile
Galvanic electricity source can export the alternating voltage of needs, and the charging interface fault simulator is arranged at the output of the alternating-current charging pile
End, can gather Programmable AC Power Source, the friendship with the fault of analog charge interface side finally by secondary centralized control system
The data at each key point in the connecting path of current charge stake and the charging interface fault simulator, such as voltage, electric current
Or other specification, the operating status of whole path can be monitored.
Brief description of the drawings
Fig. 1 is a kind of module map of alternating-current charging pile electric fault simulation system in the embodiment of the present application；
Fig. 2 is the structure diagram of Programmable AC Power Source 102 in the embodiment of the present application；
Fig. 3 is the electrical block diagram of Programmable AC Power Source 102 in the embodiment of the present application；
Fig. 4 is the schematic diagram of charging interface fault simulator 103 in the embodiment of the present application.
Embodiment
Completed by National Energy Board《Electric automobile charging infrastructure construction plan》Draft proposed, by 2020：I
State's electric charging station quantity will reach 1.2 ten thousand, and charging pile reaches 4,500,000；The close mark of the ratio of electric automobile and electrically-charging equipment
1 matched somebody with somebody:1.This greatly promotes the construction of electric automobile electrically-charging equipment.At present, the typical problem of electric vehicle alternating-current charging pile, existing
Real factor and itself there are the problem of, urgent demand is proposed to detection business.The detection of electric vehicle alternating-current charging pile
Relate generally to electric property, interoperability, communication uniformity etc..Wherein electrical safety detection involves alternating-current charging pile and exists
Occur to ensure the person and equipment safety during extreme case, therefore it is particularly important that.
The embodiment of the present application solves prior art shortage by providing a kind of alternating-current charging pile electric fault simulation system
To real simulation inspection of the alternating-current charging pile under various harsh conditions, it is impossible to the actual performance of alternating-current charging pile and shortage rule
The means of testing of generalized, and further, the electric automobile of user is brought security risk in use.
Problem caused by electrical safety is mainly the following performance：
1st, charging pile output overcurrent：Charging pile output interface causes charging pile to damage because the even short circuit of certain reason overcurrent
Ruin.
2nd, it is grounded：Charging pile output ground connection causes personal injury accident without disconnection in time.
3rd, connection is abnormal：If charging pile joint and electric automobile charging connector connect generation problem in charging process,
May cause to overcharge, arcing the problems such as.
As shown in Figure 1, the utility model provides a kind of alternating-current charging pile electric fault simulation system 100, the system
Including alternating-current charging pile 101, Programmable AC Power Source 102, charging interface fault simulator 103, secondary centralized control system 104, its
In, the Programmable AC Power Source 102 is arranged at the input terminal of the alternating-current charging pile 101, the charging interface fault simulation
Device 103 is arranged at the output terminal of the alternating-current charging pile 101, and the secondary centralized control system 104 is distinguished by data-in port
The Programmable AC Power Source 102 and the charging interface fault simulator 103 are connected to, the secondary centralized control system 104
Data collection terminal mouth is respectively arranged at the Programmable AC Power Source 102, the alternating-current charging pile 101 and the charging interface
At each key point in the connecting path of fault simulator 103, to gather and monitor the operating status of the key point.
Alternating-current charging pile 101 is uses conduction pattern to provide the special of AC power for the electric automobile with Vehicular charger
Use power supply unit.
Programmable AC Power Source 102 is connected on the input terminal of alternating-current charging pile 101, for simulating grid；Charging interface failure
Simulator 103 is connected on the output terminal of alternating-current charging pile 101, for simulating all kinds of output failures.Secondary centralized control system gathered data
And the operation of Programmable AC Power Source and charging interface fault simulator is controlled, it is the control core of package unit.
Wherein, key point is the test point preset, in such as Fig. 1, can set the key point of two detections, crucial
Point 1 is arranged on the connecting path between Programmable AC Power Source 102 and alternating-current charging pile 101, and key point 2 is arranged on exchange and fills
On connecting path between electric stake 101 and charging interface fault simulator 103, in key point, three-phase voltage can be gathered, electricity
The relevant parameters such as stream.
Further, as shown in Fig. 2, the Programmable AC Power Source 102 includes three-phase power grid voltage source module 1021, with
And the rectification circuit 1022 of the connection three-phase power grid voltage source module 1021, and the inversion of the connection rectification circuit 1022
Circuit 1023.
Further, as shown in figure 3, between the three-phase power grid voltage source module 1021 and the rectification circuit 1022
Transformer circuit and three-phase reactor circuit are additionally provided with, between the rectification circuit 1022 and the inverter circuit 1023 also
It is provided with buffer resistance.
Rectification circuit 1022, by three-phase reactor, is accessed in three-phase power grid voltage source 1021 after transformer isolation.
Buffer resistance is added between finishing circuit 1022 and inverter circuit 1023, reduces and DC voltage is rushed in power grid power up
Hit.By controlling rectification module, steady dc voltage inverter circuit control output voltage waveforms are obtained, are joined by setting
Number, exports the alternating voltage of needs.
As AC power, system is separately adjustable mutually using three-phase voltage output, can free band carry and be activated individually, can be with
Export stable AC power.The power supply isolates alternating-current charging pile electric fault simulation system with external electrical network, reduces to electricity
The impact of net.
During test, by the setting and programme-control of software, Programmable AC Power Source can be disturbed with simulating grid, including electricity
Pressure is fallen, including brownout, overtension, and voltage change curve is programmed.Programmable AC Power Source can produce
Raw three-phase symmetrical temporarily drops, temporarily rises or interrupt.
It is exemplary, such as overcurrent protection experiment can be provided：Charging pile connects charging interface fault simulator, adjusts to specified
Work under load.Analog AC charging pile output overcurrent failure, alternating-current charging pile should cut off out-put supply immediately.
Such as table 1, the measurement result and data exported by secondary centralized control system：
Further, as shown in figure 4, the charging interface fault simulator 103 includes Electric Vehicle's Alternating interface circuit
Simulator 1041, and load and 1042 two parts of short-circuit impedance simulator.
Further, the load and short-circuit impedance simulator include short switch, resistance adjustment switch and resistance.Load
And load and short trouble of the short-circuit impedance simulator when using resistance simulation electric automobile DC charging.Resistor switching device is adopted
With D.C. contactor, it can be achieved that constant pressure, constant current isotype.
In practice, such as residual current protecting function test can be carried out：Charging pile connects charging interface fault simulation
Device, adjusts and works under nominal load, and analog AC charging pile output phase line and shell short circuit, check that alternating-current charging pile should be immediately
Cut off input power.
Such as table 2, the measurement result and data exported by secondary centralized control system：
For another example sudden-stop function is tested：Charging pile connects charging interface fault simulator, adjusts work under nominal load
Make.By scram button, alternating-current charging pile should cut off out-put supply immediately and send alarm prompt.
For another example protection against electric shock is tested：Charging pile connects charging interface fault simulator, the nonisulated shell access of charging pile
Charging interface fault simulator, tests charging interface conductor to the resistance of earth point, it is impossible to more than 0.1 Ω with fault simulator
For another example connection abnormal test：Charging pile connects charging interface fault simulator, adjusts work under nominal load
Make.The connection of analog charge attachment device confirms that contact disconnects, and carries out charging operations, and alternating-current charging pile should cannot start charging；Hand over
Current charge stake is charged under adjusting to nominal load, and the connection of analog charge attachment device confirms that contact disconnects, and checks that exchange is filled
Electric stake should cut off out-put supply immediately and send alarm prompt.Further, it is single to further include control for the secondary centralized control system 104
Member and backstage industrial personal computer, described control unit are connected with the data collection terminal mouth of the secondary centralized control system, the industrial personal computer
It is connected with described control unit, wherein, the data of the data collection terminal mouth collection of the secondary centralized control system can be sent into the control
Unit processed, after carrying out data mart modeling processing, is re-fed into the backstage industrial personal computer.
The utility model, which is directed to, to be needed to detect working characteristics of the alternating-current charging pile under external fault condition, is surveyed with reference to more than
Method for testing, analyzes the working condition of alternating-current charging pile.The output data of charging pile is recorded, the fault simulation moment is carried out
Contrast, analysis, assess working characteristics of the alternating-current charging pile in external fault condition.
The utility model have developed the package unit based on above inventive method, and Programmable AC Power Source can be by the system
Isolate with power grid, and simulating grid abnormal conditions, generation three-phase temporarily rises, temporarily drop and both combinations；Charging interface failure mould
Intend device, being capable of analog AC charging pile charging interface failure and Vehicular charger failure；Secondary centralized control system integrates related resource,
Control management Programmable AC Power Source, charging interface fault simulator, monitor each operating status, realize to flow, resource, synthesis
The unified management of information, data, report, and codes and standards.All there is obvious characteristic in terms of practicality and originality.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (6)
1. a kind of alternating-current charging pile electric fault simulation system, it is characterised in that the system comprises alternating-current charging pile, may be programmed
AC power, charging interface fault simulator, secondary centralized control system, wherein, the Programmable AC Power Source is arranged at the friendship
The input terminal of current charge stake, the charging interface fault simulator is arranged at the output terminal of the alternating-current charging pile, described secondary
Centralized control system is connected to the Programmable AC Power Source and the charging interface fault simulator by data-in port,
The data collection terminal mouth of the secondary centralized control system is respectively arranged at the Programmable AC Power Source, the alternating-current charging pile and
At each key point in the connecting path of the charging interface fault simulator, to gather and monitor the operation shape of the key point
State.
2. alternating-current charging pile electric fault simulation system as claimed in claim 1, it is characterised in that the programmable alternating current
Source includes three-phase power grid voltage source module, and the rectification circuit of the connection three-phase power grid voltage source module, and connection institute
State the inverter circuit of rectification circuit.
3. alternating-current charging pile electric fault simulation system as claimed in claim 2, it is characterised in that the three-phase power grid voltage
Transformer circuit and three-phase reactor circuit, the rectification circuit and institute are additionally provided between source module and the rectification circuit
State and be additionally provided with buffer resistance between inverter circuit.
4. alternating-current charging pile electric fault simulation system as claimed in claim 1, it is characterised in that the charging interface failure
Simulator includes Electric Vehicle's Alternating interface circuit simulator, and load and short-circuit impedance simulator two parts.
5. alternating-current charging pile electric fault simulation system as claimed in claim 4, it is characterised in that load and the short circuit resistance
Anti- simulator includes short switch, resistance adjustment switch and resistance.
6. alternating-current charging pile electric fault simulation system as claimed in claim 1, it is characterised in that the secondary centralized control system
Control unit and backstage industrial personal computer are further included, described control unit and the data collection terminal mouth of the secondary centralized control system connect
Connecing, the industrial personal computer is connected with described control unit, wherein, the data of the data collection terminal mouth collection of the secondary centralized control system
Described control unit can be sent into, after carrying out data mart modeling processing, is re-fed into the backstage industrial personal computer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721004516.9U CN207232351U (en) | 2017-08-11 | 2017-08-11 | A kind of alternating-current charging pile electric fault simulation system |
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| CN201721004516.9U CN207232351U (en) | 2017-08-11 | 2017-08-11 | A kind of alternating-current charging pile electric fault simulation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737068A (en) * | 2020-12-26 | 2021-04-30 | 重庆国翰能源发展有限公司 | Charging pile, protection control system and method thereof, storage medium and terminal |
| CN113219279A (en) * | 2021-04-21 | 2021-08-06 | 成都艾默泰克科技有限公司 | New energy automobile alternating current charging test system and test method |
-
2017
- 2017-08-11 CN CN201721004516.9U patent/CN207232351U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112737068A (en) * | 2020-12-26 | 2021-04-30 | 重庆国翰能源发展有限公司 | Charging pile, protection control system and method thereof, storage medium and terminal |
| CN113219279A (en) * | 2021-04-21 | 2021-08-06 | 成都艾默泰克科技有限公司 | New energy automobile alternating current charging test system and test method |
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