CN112578202A - Charging test system and electric automobile - Google Patents
Charging test system and electric automobile Download PDFInfo
- Publication number
- CN112578202A CN112578202A CN202011376748.3A CN202011376748A CN112578202A CN 112578202 A CN112578202 A CN 112578202A CN 202011376748 A CN202011376748 A CN 202011376748A CN 112578202 A CN112578202 A CN 112578202A
- Authority
- CN
- China
- Prior art keywords
- charging
- hpc
- power supply
- load
- test
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a charging test system and an electric automobile. Wherein, this test system that charges includes: the testing device provides high-power charging electric energy; a liquid-cooled charging gun; a programmable DC load; the HPC power supply interface simulation device is connected with the test device and the liquid cooling charging gun through the HPC power supply interface simulation device and is used for simulating a power supply interface of the test device; the HPC load interface simulation device is connected with the liquid-cooled charging gun and the programmable direct current load through the HPC load interface simulation device; and the master control computer is respectively and electrically connected with the HPC power supply interface simulation device and the HPC vehicle interface simulation device and is used for controlling the output of the charging electric energy output by the testing device and controlling the adjustment of the parameters of the guide loop of the power supply interface. The invention solves the technical problem that the charging test of the high-power charging pile cannot be carried out.
Description
Technical Field
The invention relates to the field of charging, in particular to a charging test system and an electric automobile.
Background
The high-power super-charging technology is a new-generation direct-current charging technology which is faster, safer and more compatible, a series of defects and problems existing in the existing charging system are solved, and the charging safety, the charging power, the structural design, the forward compatibility and the future application are comprehensively improved. However, the high power charging technology has the following problems:
1) the temperature control effectiveness of the high-power charging equipment is difficult to verify. The liquid cooling technology is a key technology of high-power charging, the problems of large volume and heavy weight of a large-current cable can be effectively solved by adopting a liquid cooling connector, and various technical parameters of the liquid cooling cable are specified in detail by national standards of the high-power connector of the electric automobile currently in production. However, the temperature control capability and the over-temperature protection capability of a liquid cooling system of the high-power charging pile are verified by an effective means, the practicability of the new technology is difficult to verify, and the further development, popularization and application difficulty is high;
2) the compatibility of the high-power charging interface is difficult to verify. The high-power charging interface adopts a brand-new technical scheme, fully considers various future requirements, and adopts a brand-new interface design, a new version communication protocol standard and an improved control guide circuit structure. But at present, the compatibility between the novel interfaces and the old version interfaces are verified by lacking effective means, and the problem that a large number of electric automobiles cannot be charged once the novel interfaces and the old version interfaces are popularized in a large range is solved.
To the above-mentioned problem that can't fill electric pile to high-power and charge the test, at present, has not proposed effectual solution yet.
Disclosure of Invention
The embodiment of the invention provides a charging test system and an electric automobile, and at least solves the technical problem that a charging test cannot be performed on a high-power charging pile.
According to an aspect of an embodiment of the present invention, there is provided a charging test system including: the testing device provides high-power charging electric energy; a liquid-cooled charging gun; a programmable DC load; the HPC power supply interface simulation device is connected with the test device and the liquid cooling charging gun through the HPC power supply interface simulation device and is used for simulating a power supply interface of the test device; the HPC load interface simulation device is used for connecting the liquid-cooled charging gun and the programmable direct current load; and the master control computer is respectively electrically connected with the HPC power supply interface simulation device and the HPC load interface simulation device and is used for controlling the test device to output the charging electric energy and controlling the adjustment of the parameters of the guide loop of the power supply interface.
Optionally, at least one sensor is mounted on the liquid-cooled charging gun: and the temperature sensor, the pressure sensor and the flow sensor are used for analyzing and verifying a heating point and a liquid cooling system in the charging process.
Optionally, the charging test system further includes: the wave recorder is connected to the HPC power supply interface simulation device and in front of the master control computer, and is used for collecting test data in the test process, storing and analyzing the test data, wherein the test data comprises at least one of the following: a voltage signal, a current signal, and a communication message.
Optionally, the operation mode of the testing device includes at least one of: a direct current power supply mode, a high-power output electric energy mode, a safe power supply mode and a power operation mode; the direct-current power supply mode is used for providing a function of simulating high-power charging equipment; the high-power output electric energy mode is used for providing adjustable high-power electric energy; the safe power supply mode is used for providing output functions of outputting constant voltage, constant current and constant power and providing input functions of inputting over-voltage and under-voltage, over-frequency and under-frequency, open-phase protection and outputting overcurrent; the power operation mode is used for providing output modes with different powers, and comprises at least one of the following modes: independent mode, parallel mode, and differential mode.
Optionally, the programmable dc load has the following functional modules: the device comprises a coarse adjustment module, a fine adjustment module, a parallel operation function module, a remote control function module, a discharge module, an alarm module, a safety protection module and a correction module, wherein the coarse adjustment module and the fine adjustment module are used for adjusting side four parameters of the test device for carrying out an on-load test; the parallel machine function module is used for providing a high-power load condition of a plurality of sets of load parallel machines; the remote control function module is used for providing a remote control function and a remote communication interface for the load of the testing device; the discharging module is used for simulating that a load has the functions of charging and discharging the power battery, and the discharging module comprises at least one of the following components: the constant current discharge module, the constant resistance discharge module and the constant voltage discharge module; the alarm module is used for providing a safety alarm function and an automatic protection function; the safety protection module is used for providing one of the following functions: polarity reversal protection, short circuit protection, overcurrent protection, overload protection and overtemperature protection; the correction module is used for providing a voltage and current calibration correction function for the test device.
Optionally, the HPC power supply interface simulation apparatus is configured to simulate an HPC charging pile interface circuit, the HPC charging pile interface circuit including: the on-off switch comprises a DC +, DC-, PE, S +, S-, CC1, CC2, A + and A-contact circuits, wherein the switch of the DC +/DC-circuit is defined as K1/K2, the switch of the A +/A-circuit is defined as K3/K4, and the on-off switch is used for simulating the on-off fault state of each circuit.
Optionally, a current hall sensor is arranged in the HPC power supply interface simulation device, wherein the DC +/DC-loop is used for collecting a first-order current signal, the a +/a-loop is used for collecting a second-order current signal, and both the DC +/DC-loop and the a +/a-loop are provided with a voltage-type and current-type current signal collecting interface.
Optionally, the charging test system further comprises at least one of: the adjustable auxiliary power supply simulator is used for controlling the voltage adjusting range of the testing device; the insulation monitoring device is used for detecting the insulation monitoring of a charging loop of the charging test system in the charging process; the monitoring device is used for continuously monitoring the grounding conductor and performing protection action after the grounding conductor is disconnected; and the short-circuit protection device is used for protecting the testing device when a short-circuit fault occurs in the charging process.
Optionally, the charging test system further includes: the standard safety acquisition interfaces are arranged on two sides of a switch of the testing device and are used for acquiring real-time signals of all loops in real time; the testing device is provided with an access interface of the insulation fault simulation device and is used for completing insulation fault testing.
According to another aspect of the embodiments of the present invention, there is also provided an electric vehicle including: the charging test system is described above.
In the embodiment of the invention, the testing device provides high-power charging electric energy; a liquid-cooled charging gun; a programmable DC load; the HPC power supply interface simulation device is connected with the test device and the liquid cooling charging gun through the HPC power supply interface simulation device and is used for simulating a power supply interface of the test device; the HPC load interface simulation device is used for connecting the liquid-cooled charging gun and the programmable direct current load; the main control computer is respectively and electrically connected with the HPC power supply interface simulation device and the HPC load interface simulation device and is used for controlling the output of the charging electric energy output by the test device and controlling the adjustment of the parameters of a guide loop of the power supply interface; thereby realized filling the technical effect that electric pile carries out the charging test to high-power, and then solved and can't fill electric pile's the test technical problem that charges to high-power.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a first schematic diagram of a charging test system according to an embodiment of the present invention;
FIG. 2 is a second schematic diagram of a charging test system according to an embodiment of the invention;
FIG. 3 is a third schematic diagram of a charging test system according to an embodiment of the invention;
FIG. 4 is a schematic diagram of an HPC power interface simulation apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of an electric vehicle according to an embodiment of the present invention;
fig. 6 is a schematic diagram of a high power super-charging device detection system according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 1 is a schematic diagram of a charging test system according to an embodiment of the present invention, as shown in fig. 1, the charging test system includes: the testing device 10 provides high-power charging electric energy; a liquid-cooled charging gun 12; a programmable dc load 14; the HPC power supply interface simulation device 16 is connected with the test device and the liquid cooling charging gun through the HPC power supply interface simulation device 16 and is used for simulating a power supply interface of the test device; HPC load interface simulation device 18, connect liquid cooling charging gun and programmable direct current load through HPC load interface simulation device; and the master computer 19 is electrically connected with the HPC power supply interface simulation device 16 and the HPC load interface simulation device 18 respectively, and is used for controlling the output of the charging electric energy output by the testing device and controlling the adjustment of the parameters of the guide loop of the power supply interface.
In the embodiment of the invention, the testing device provides high-power charging electric energy; a liquid-cooled charging gun; a programmable DC load; the HPC power supply interface simulation device is connected with the test device and the liquid cooling charging gun through the HPC power supply interface simulation device and is used for simulating a power supply interface of the test device; the HPC load interface simulation device is connected with the liquid-cooled charging gun and the programmable direct current load through the HPC load interface simulation device; the main control computer is respectively electrically connected with the HPC power supply interface simulation device and the HPC load interface simulation device and is used for controlling the output of the charging electric energy output by the test device and controlling the adjustment of the parameters of the guide loop of the power supply interface; thereby realized filling the technical effect that electric pile carries out the charging test to high-power, and then solved and can't fill electric pile's the test technical problem that charges to high-power.
Fig. 2 is a second schematic diagram of a charging test system according to an embodiment of the present invention, and as shown in fig. 2, at least one of the following sensors is installed on the liquid-cooled charging gun: and the temperature sensor 20, the pressure sensor 22 and the flow sensor 24 are used for analyzing and verifying a heating point and a liquid cooling system in the charging process.
Fig. 3 is a third schematic diagram of a charging test system according to an embodiment of the present invention, as shown in fig. 3, the charging test system further includes: the wave recorder 30 is connected to the HPC power supply interface simulation apparatus 16 and the main control computer 19, and is configured to collect test data during a test process, store and analyze the test data, where the test data includes at least one of the following: a voltage signal, a current signal, and a communication message.
As an alternative embodiment, the operation mode of the test device comprises at least one of: a direct current power supply mode, a high-power output electric energy mode, a safe power supply mode and a power operation mode; the direct-current power supply mode is used for providing a function of simulating high-power charging equipment; the high-power output electric energy mode is used for providing adjustable high-power electric energy; the safe power supply mode is used for providing output functions of outputting constant voltage, constant current and constant power and providing input functions of inputting over-voltage and under-voltage, over-frequency and under-frequency, open-phase protection and outputting overcurrent; the power operation mode is used for providing output modes with different powers, and comprises at least one of the following modes: independent mode, parallel mode, and differential mode.
As an alternative embodiment, the programmable dc load has the following functional modules: the device comprises a coarse adjustment module, a fine adjustment module, a parallel operation function module, a remote control function module, a discharge module, an alarm module, a safety protection module and a correction module, wherein the coarse adjustment module and the fine adjustment module are used for adjusting side four parameters of a test device for carrying out an on-load test; the parallel machine function module is used for providing a high-power load condition of a plurality of sets of load parallel machines; the remote control function module is used for providing a remote control function and a remote communication interface for the load of the testing device; the discharging module is used for simulating that the load has the charging and discharging functions of the power battery, and the discharging module comprises at least one of the following components: the constant current discharge module, the constant resistance discharge module and the constant voltage discharge module; the alarm module is used for providing a safety alarm function and an automatic protection function; the safety protection module is used for providing one of the following functions: polarity reversal protection, short circuit protection, overcurrent protection, overload protection and overtemperature protection; and the correction module is used for providing a voltage and current calibration correction function for the test device.
Fig. 4 is a schematic diagram of an HPC power interface simulation apparatus according to an embodiment of the present invention, and as shown in fig. 4, HPC power interface simulation apparatus 16 is configured to simulate an HPC charging pile interface circuit, where the HPC charging pile interface circuit includes: the on-off switch of each contact loop of DC +, DC-, PE, S +, S-, CC1, CC2, A + and A-, wherein the switch of the DC +/DC-loop is defined as K1/K2, the switch of the A +/A-loop is defined as K3/K4, and the on-off switch is used for simulating the simulation function of on-off fault state of each path.
As an optional embodiment, a current Hall sensor is arranged in the HPC power supply interface simulation device, wherein the DC +/DC-loop is used for collecting current signals of a first magnitude, the A +/A-loop is used for collecting current signals of a second magnitude, and the DC +/DC-loop and the A +/A-loop are both provided with voltage-type and current-type current signal collecting interfaces.
Optionally, the HPC power supply interface simulation device has connection confirmation resistors R1, R1', R2, Rc, a switch S1, a switch S3, and a pull-up voltage U1 power supply, and the resistance precision is 1%.
As an optional embodiment, the charging test system further comprises at least one of: the adjustable auxiliary power supply simulator is used for controlling the voltage adjusting range of the testing device; the insulation monitoring device is used for detecting the insulation monitoring of a charging loop of the charging test system in the charging process; the monitoring device is used for continuously monitoring the grounding conductor and performing protection action after the grounding conductor is disconnected; and the short-circuit protection device is used for protecting the testing device when short-circuit faults occur in the charging process.
As an alternative embodiment, the charging test system further comprises: the standard safety acquisition interfaces are arranged on two sides of a switch of the testing device and are used for acquiring real-time signals of all loops in real time; the test device is provided with an access interface of the insulation fault simulation device and is used for completing insulation fault test. As an alternative embodiment, the HPC load interface simulation apparatus includes: the device input end is used for simulating a control guide circuit at one end of the programmable direct current load; and the equipment output end is used for connecting a programmable direct current load or a liquid cooling charging gun and controlling the conversion of the guide circuit during charging.
Fig. 5 is a schematic view of an electric vehicle according to an embodiment of the present invention, and as shown in fig. 5, an electric vehicle 50 includes: the charging test system is provided.
In an embodiment of the present invention, an electric vehicle includes: the test system charges, wherein, the test system that charges includes: the testing device provides high-power charging electric energy; a liquid-cooled charging gun; a programmable DC load; the HPC power supply interface simulation device is connected with the test device and the liquid cooling charging gun through the HPC power supply interface simulation device and is used for simulating a power supply interface of the test device; the HPC load interface simulation device is connected with the liquid-cooled charging gun and the programmable direct current load through the HPC load interface simulation device; the main control computer is respectively and electrically connected with the HPC power supply interface simulation device and the HPC load interface simulation device and is used for controlling the test device to output charging electric energy and controlling the adjustment of the parameters of a guide loop of the power supply interface, so that the high-power charging pile can be tested through the electric automobile with the charging test system, the technical effect of charging test on the high-power charging pile is realized, and the technical problem that the charging test on the high-power charging pile cannot be realized is solved.
The invention also provides a preferred embodiment, which provides a high-power super charging equipment detection system.
Fig. 6 is a schematic diagram of a high-power super-charging device detection system according to an embodiment of the present invention, and as shown in fig. 6, the power charging test system mainly includes: the test system adopts a brand new control guide circuit with a forward compatible function, can be forward compatible with a charging interface of GB/T20234.1-2015, and realizes the charging compatibility test of the HPC vehicle and the GB vehicle.
Optionally, the AV900 test system and the HPC power supply interface simulation apparatus are combined to simulate a high-power charging pile, and the system is automatically controlled by a main control computer to complete the output of voltage and current and the adjustment of the power supply interface control guide loop parameters; the HPC vehicle interface simulation device (namely the HPC load interface simulation device) and the programmable direct current load are used for simulating a high-power charging automobile, and meanwhile, a forward compatible mode can be adopted for charging GB vehicles; in the test process, a wave recorder is used for collecting signals such as voltage and current and communication messages, so that the storage and analysis of test data can be completed; the liquid cooling charging gun is provided with the temperature sensor, the pressure sensor and the flow sensor, so that the heating point and the liquid cooling system in the charging process can be analyzed and experimentally verified, and the safety in the charging process is ensured.
As an alternative embodiment, the AV-900 test system (i.e. the test device) has a DC power mode, and can be used for simulating a high-power charging pile by matching with an HPC power supply interface simulator instead of a charging module to complete a high-power charging test.
Optionally, the AV-900 test system (i.e. the test device) has high power output capability, the output voltage DC 8V-900V is adjustable, and the current is adjustable from 0A to 500A.
Optionally, the AV-900 test system (i.e., the test apparatus) has a constant voltage, constant current, and constant power output function in the dc power mode, and has protection against overvoltage and undervoltage input, overvoltage and underfrequency, open-phase protection, and overcurrent output.
Alternatively, the AV-900 test system (i.e. the test device) can realize the field test of various test items; the output range can be conveniently adjusted through centralized control test software.
Optionally, the AV-900 test system (i.e., test apparatus) has three operation modes, i.e., an independent mode, a parallel mode and a differential mode, so as to satisfy the output test of different powers;
as an alternative embodiment, the programmable direct current load adopts an 8U standard modular design, can be installed on a standard cabinet, can also be installed on a portable box, and can be used in a laboratory and a field test.
Optionally, the programmable dc load includes 3 coarse tuning modules and 1 fine tuning module, and a single set of load can satisfy the on-load test requirement of the charging pile of 60kW or less.
Optionally, the programmable direct current load has a parallel operation function, and multiple sets of loads can be connected in parallel to meet the requirement of high-power load.
Optionally, the programmable dc load has a remote control software, an RS-485 communication interface, and the like, so as to realize a remote control function.
Optionally, the programmable dc load has the capability of simulating the whole charging process of various electric vehicle power batteries, such as a constant current mode, a constant resistance mode, a constant voltage mode, and the like.
Optionally, the programmable dc load has a capability that constant current discharge can be set: parameters such as discharge current, duration, storage interval and the like are loaded to gradually reach a set value in several times.
Optionally, the programmable dc load has a constant resistance discharge settable capability: and loading parameters such as resistance range, duration, storage interval and the like, and gradually reaching a set value by several times of loading.
Optionally, the programmable dc load has a capability that constant voltage discharge can be set: parameters such as discharge current, duration, storage interval and the like are loaded to gradually reach a set value in several times;
optionally, the programmable dc load has a safety alarm function and an automatic protection function, and the load can be automatically stopped from loading when the cooling fan fails and the discharging load is discharged.
Optionally, the programmable direct-current load has multiple safety automatic protection functions of polarity reversal protection, short-circuit protection, overcurrent protection, overload, over-temperature and the like, so that the safety and stability of the instrument in a long-time heavy-current discharge process are ensured; the equipment is provided with devices such as relay protection, short-circuit protection, software protection and the like.
Optionally, the programmable dc load is made of high-performance alloy material, and meets UL safety specification, and the load does not generate red heat during discharging.
Optionally, the programmable dc load has a voltage and current calibration and correction function, and can calibrate and correct the measurement value of the instrument at any time, so as to ensure the measurement accuracy of the instrument used for a long time.
As an optional embodiment, the HPC power supply interface simulation device adopts a modular design, so that the upgrading and the transformation of equipment hardware are facilitated, and the requirement of a laboratory high-power charging test can be met.
Optionally, the HPC power supply interface simulation device adopts a dedicated HPC charging connection interface, can realize HPC charging pile interface circuit simulation, and is provided with a DC +, DC-, PE, S +, S-, CC1, CC2, A +, A-contact loop on-off switch, wherein the DC +/DC-switch is defined as K1/K2, and the A +/A-switch is defined as K3/K4, and can realize the on-off fault state simulation function of each path.
Optionally, the HPC power supply interface simulation device is internally provided with a high-precision current hall sensor, wherein the DC +/DC-loop can realize 500A current signal acquisition at maximum, the a +/a-loop can realize 20A current signal acquisition at maximum, and both the HPC power supply interface simulation device and the a +/a-loop are provided with two current signal acquisition interfaces of a voltage type and a current type;
optionally, the HPC power supply interface simulation device is used as a simulatable HPC charging pile control guidance circuit and is provided with connection confirmation resistors R1, R1', R2, Rc, a switch S1, a switch S3 and a pull-up voltage U1 power supply, and the resistance precision is 1%.
Optionally, the HPC power supply interface simulation device is provided with an adjustable auxiliary power supply simulator, and the voltage adjustment range is 10.8V-13.2V.
Optionally, the HPC power supply interface simulation device has an insulation monitoring function, and can perform insulation monitoring of the charging loop in the whole charging process.
Optionally, HPC power supply interface analogue means switch both sides have 4mm standard safety collection interface, can realize each return circuit real-time signal acquisition function.
Optionally, the HPC power supply interface simulation device has an insulation fault simulation device access interface, and can complete the insulation fault test.
Optionally, the HPC power supply interface simulation apparatus has a function of monitoring continuity of the protection ground conductor, and may perform a corresponding protection action after the protection ground conductor is disconnected.
Optionally, the HPC power supply interface simulation apparatus has a short-circuit protection function, and can effectively protect the test equipment when a short-circuit fault occurs in the charging process.
Table 1 shows specific technical parameters of the HPC power supply interface simulation apparatus, and various electrical indexes of the HPC power supply interface simulation apparatus are shown in table 1.
TABLE 1
As an alternative embodiment, the input end of the HPC vehicle interface simulation device (i.e. the HPC load interface simulation device) simulates an HPC vehicle end control guidance circuit, and the output end of the HPC vehicle interface simulation device can be connected with a programmable dc load or a GB charging gun, so that the HPC charging pile can control the guidance circuit to switch to the GB vehicle when charging.
Optionally, the HPC vehicle interface simulator (i.e., HPC load interface simulator) may simulate the HPC vehicle end control pilot circuit with connection verification resistors R4, R4', Rv, switch S2, switch Sv, pull-up voltage U2 power supply with 1% resistance accuracy.
Optionally, the input of HPC vehicle interface simulation device (i.e. HPC load interface simulation device) possesses HPC vehicle BMS communication simulation function, can fill electric pile with the HPC and carry out the communication.
Optionally, the output end of the HPC vehicle interface simulation device (i.e., HPC load interface simulation device) has a GB/T27930 and 2015 charging pile communication simulation function, and can communicate with a GB vehicle.
Optionally, the HPC vehicle interface simulation device (i.e. the HPC load interface simulation device) may automatically implement the conversion between the HPC communication protocol and the GB/T27930 and 2015 communication protocol during the charging process.
Optionally, the HPC vehicle interface simulation apparatus (i.e. the HPC load interface simulation apparatus) may save the HPC and GB/T27930 and 2015 charging messages in real time and parse the saved messages. The analyzed content comprises the message sending time, the message frame ID, the message data frame format and the message data frame content,
optionally, the HPC vehicle interface simulation device (i.e., the HPC load interface simulation device) is powered using an auxiliary power supply within the HPC vehicle test interface simulation device.
Table 2 shows specific technical parameters of the HPC vehicle interface simulation apparatus (i.e. HPC load interface simulation apparatus), and various electrical indexes of the HPC vehicle interface simulation apparatus (i.e. HPC load interface simulation apparatus) are shown in table 2.
TABLE 2
The high-power super-charging equipment detection system provided by the invention can complete the function requirement test and the technical requirement test of the high-power charging pile according to the requirements specified by the existing standard, and comprises test items such as a high-power charging control function, a communication function, an insulation detection function, a pre-charging function, a charging output requirement and the like; the testing of newly added message information in a high-power charging communication protocol can be completed, wherein the newly added message information comprises information such as voltage and current range, key point temperature, fault information, working mode, positioning information, temperature limit value and the like; and meanwhile, the high-power charging interoperability and protocol consistency test, equipment functions and parameters can be automatically completed.
The invention designs a set of charging system based on wireless power transmission technology and a layout mode thereof aiming at the special environment of a stereo garage. Use lift sideslip formula stereo garage as an example, the power transmitting terminal is arranged on parking stall sideslip frame, and power receiving terminal and the rifle line that charges are arranged on parking stall year sweep, through the wireless power transmission between power transmitting terminal and the receiving terminal, avoid the winding problem that cable transmission caused, ensure that garage parking stall in the vertical position possesses the function of charging, and the parking stall can realize incessant charging at the lateral shifting in-process, possess the installation facility, the security is high, the wide advantage of range of application
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A charging test system, comprising:
the testing device provides high-power charging electric energy;
a liquid-cooled charging gun;
a programmable DC load;
the HPC power supply interface simulation device is connected with the test device and the liquid cooling charging gun through the HPC power supply interface simulation device and is used for simulating a power supply interface of the test device;
the HPC load interface simulation device is used for connecting the liquid-cooled charging gun and the programmable direct current load;
and the master control computer is respectively electrically connected with the HPC power supply interface simulation device and the HPC load interface simulation device and is used for controlling the test device to output the charging electric energy and controlling the adjustment of the parameters of the guide loop of the power supply interface.
2. The charge testing system of claim 1, wherein at least one of the following sensors is mounted on the liquid-cooled charging gun: and the temperature sensor, the pressure sensor and the flow sensor are used for analyzing and verifying a heating point and a liquid cooling system in the charging process.
3. The charging test system of claim 1, further comprising: the wave recorder is connected to the HPC power supply interface simulation device and in front of the master control computer, and is used for collecting test data in the test process, storing and analyzing the test data, wherein the test data comprises at least one of the following: a voltage signal, a current signal, and a communication message.
4. The charging test system according to any one of claims 1 to 3, wherein the operating mode of the test device comprises at least one of: a direct current power supply mode, a high-power output electric energy mode, a safe power supply mode and a power operation mode;
the direct-current power supply mode is used for providing a function of simulating high-power charging equipment;
the high-power output electric energy mode is used for providing adjustable high-power electric energy;
the safe power supply mode is used for providing output functions of outputting constant voltage, constant current and constant power and providing input functions of inputting over-voltage and under-voltage, over-frequency and under-frequency, open-phase protection and outputting overcurrent;
the power operation mode is used for providing output modes with different powers, and comprises at least one of the following modes: independent mode, parallel mode, and differential mode.
5. The charging test system according to any one of claims 1 to 3, wherein the programmable DC load has the following functional modules: a coarse adjustment module, a fine adjustment module, a parallel operation function module, a remote control function module, a discharge module, an alarm module, a safety protection module and a correction module, wherein,
the coarse adjustment module and the fine adjustment module are used for adjusting four parameters of the testing device for the on-load test;
the parallel machine function module is used for providing a high-power load condition of a plurality of sets of load parallel machines;
the remote control function module is used for providing a remote control function and a remote communication interface for the load of the testing device;
the discharging module is used for simulating that a load has the functions of charging and discharging the power battery, and the discharging module comprises at least one of the following components: the constant current discharge module, the constant resistance discharge module and the constant voltage discharge module;
the alarm module is used for providing a safety alarm function and an automatic protection function;
the safety protection module is used for providing one of the following functions: polarity reversal protection, short circuit protection, overcurrent protection, overload protection and overtemperature protection;
the correction module is used for providing a voltage and current calibration correction function for the test device.
6. The charging test system of any one of claims 1-3, wherein the HPC power supply interface simulation means is configured to simulate an HPC charging post interface circuit, the HPC charging post interface circuit comprising: the on-off switch comprises a DC +, DC-, PE, S +, S-, CC1, CC2, A + and A-contact circuits, wherein the switch of the DC +/DC-circuit is defined as K1/K2, the switch of the A +/A-circuit is defined as K3/K4, and the on-off switch is used for simulating the on-off fault state of each circuit.
7. The charging test system of claim 6, wherein a current hall sensor is disposed in the HPC power interface simulator, wherein the DC +/DC-loop is configured to collect a first-order current signal, the a +/a-loop is configured to collect a second-order current signal, and the DC +/DC-loop and the a +/a-loop are each configured with a voltage-type and a current-type current signal collecting interface.
8. The charging test system of claim 1, further comprising at least one of:
the adjustable auxiliary power supply simulator is used for controlling the voltage adjusting range of the testing device;
the insulation monitoring device is used for detecting the insulation monitoring of a charging loop of the charging test system in the charging process;
the monitoring device is used for continuously monitoring the grounding conductor and performing protection action after the grounding conductor is disconnected;
and the short-circuit protection device is used for protecting the testing device when a short-circuit fault occurs in the charging process.
9. The charging test system of claim 1, further comprising:
the standard safety acquisition interfaces are arranged on two sides of a switch of the testing device and are used for acquiring real-time signals of all loops in real time;
the testing device is provided with an access interface of the insulation fault simulation device and is used for completing insulation fault testing.
10. An electric vehicle, comprising: the charge testing system of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011376748.3A CN112578202B (en) | 2020-11-30 | 2020-11-30 | Charging test system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011376748.3A CN112578202B (en) | 2020-11-30 | 2020-11-30 | Charging test system and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112578202A true CN112578202A (en) | 2021-03-30 |
| CN112578202B CN112578202B (en) | 2023-04-18 |
Family
ID=75128065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011376748.3A Active CN112578202B (en) | 2020-11-30 | 2020-11-30 | Charging test system and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112578202B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397830A (en) * | 2022-01-14 | 2022-04-26 | 西安领充创享新能源科技有限公司 | Electric automobile alternating-current charging and discharging simulation control system and test system |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201321906D0 (en) * | 2013-12-11 | 2014-01-22 | Ecosynrg Ltd | Electric charging system and method |
| CN105548784A (en) * | 2016-03-01 | 2016-05-04 | 北京群菱能源科技有限公司 | Electric vehicle direct-current interface circuit simulator |
| CN205229431U (en) * | 2015-12-08 | 2016-05-11 | 国网山东省电力公司济南供电公司 | Simple and easy electric automobile alternating -current charging stake the connection process detection device |
| CN107933340A (en) * | 2017-11-06 | 2018-04-20 | 深圳市沃尔新能源电气科技股份有限公司 | The cold high power charging device of liquid and its monitoring method |
| CN108181522A (en) * | 2017-12-01 | 2018-06-19 | 国网北京市电力公司 | The filed detection system of AC charging facility |
| CN108226678A (en) * | 2017-12-29 | 2018-06-29 | 国网北京市电力公司 | Direct-current charging post detection method and device |
| 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 |
| CN108982995A (en) * | 2018-06-15 | 2018-12-11 | 国网电动汽车服务有限公司 | A kind of portable charged stake networking detection device and enter network detecting method |
| CN109116132A (en) * | 2018-06-15 | 2019-01-01 | 国网电动汽车服务有限公司 | A kind of charging equipment remote detecting system and its detection method |
| CN109188147A (en) * | 2018-09-26 | 2019-01-11 | 国网河北省电力有限公司电力科学研究院 | A kind of charging equipment of electric automobile detection system |
| 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 |
| CN110191613A (en) * | 2018-11-30 | 2019-08-30 | 中航光电科技股份有限公司 | A kind of high-power liquid cooling charging pile and its control system |
| CN110758147A (en) * | 2019-09-27 | 2020-02-07 | 深圳巴斯巴科技发展有限公司 | Direct current fills electric pile with liquid cooling system |
-
2020
- 2020-11-30 CN CN202011376748.3A patent/CN112578202B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201321906D0 (en) * | 2013-12-11 | 2014-01-22 | Ecosynrg Ltd | Electric charging system and method |
| CN205229431U (en) * | 2015-12-08 | 2016-05-11 | 国网山东省电力公司济南供电公司 | Simple and easy electric automobile alternating -current charging stake the connection process detection device |
| CN105548784A (en) * | 2016-03-01 | 2016-05-04 | 北京群菱能源科技有限公司 | Electric vehicle direct-current interface circuit simulator |
| CN107933340A (en) * | 2017-11-06 | 2018-04-20 | 深圳市沃尔新能源电气科技股份有限公司 | The cold high power charging device of liquid and its monitoring method |
| CN108181522A (en) * | 2017-12-01 | 2018-06-19 | 国网北京市电力公司 | The filed detection system of AC charging facility |
| 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 |
| CN108226678A (en) * | 2017-12-29 | 2018-06-29 | 国网北京市电力公司 | Direct-current charging post detection method and device |
| CN108982995A (en) * | 2018-06-15 | 2018-12-11 | 国网电动汽车服务有限公司 | A kind of portable charged stake networking detection device and enter network detecting method |
| CN109116132A (en) * | 2018-06-15 | 2019-01-01 | 国网电动汽车服务有限公司 | A kind of charging equipment remote detecting system and its detection 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 |
| CN109188147A (en) * | 2018-09-26 | 2019-01-11 | 国网河北省电力有限公司电力科学研究院 | A kind of charging equipment of electric automobile detection system |
| CN110191613A (en) * | 2018-11-30 | 2019-08-30 | 中航光电科技股份有限公司 | A kind of high-power liquid cooling charging pile and its control system |
| CN110758147A (en) * | 2019-09-27 | 2020-02-07 | 深圳巴斯巴科技发展有限公司 | Direct current fills electric pile with liquid cooling system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397830A (en) * | 2022-01-14 | 2022-04-26 | 西安领充创享新能源科技有限公司 | Electric automobile alternating-current charging and discharging simulation control system and test system |
| CN114397830B (en) * | 2022-01-14 | 2024-03-29 | 西安领充创享新能源科技有限公司 | Electric automobile alternating-current charge-discharge simulation control system and test system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112578202B (en) | 2023-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106226610B (en) | A kind of direct-current charging interface of electric automobile test macro and test method | |
| CN106019002B (en) | A kind of validation test platform and its test method for battery management system | |
| CN108303605A (en) | Direct-current charging post detecting system and method | |
| CN103954925B (en) | A kind of fault oscillograph dynamic testing method based on RTDS real-time simulation | |
| DE102014013870A1 (en) | Mobile test system for automotive charging stations | |
| CN103884991A (en) | Test method for single body cell DC internal resistance | |
| CN108181522A (en) | The filed detection system of AC charging facility | |
| CN107677964A (en) | A kind of New energy automobile motor battery simulating test device and method | |
| CN112578202B (en) | Charging test system and electric automobile | |
| CN106546858A (en) | A kind of detection method and device of distribution network failure type based on transient state component | |
| CN112874382A (en) | Charging monitoring system and method for pure electric commercial vehicle | |
| CN207396635U (en) | Reliability testing equipment for power distribution terminal | |
| CN109752664A (en) | A kind of charging detects the method and application of battery core internal resistance in battery pack | |
| CN110945369A (en) | System and method for testing charging device | |
| CN101452638B (en) | Electrical energy meter or power load administrative terminal verifying device | |
| CN103869166A (en) | Measurement and fault point positioning device of insulation resistance of battery system | |
| CN107607857A (en) | A kind of 110kV backup auto-activating device analysis methods based on RTDS Real Time Digital Simulators | |
| CN111627286A (en) | Electric vehicle power battery PACK installation and adjustment teaching platform and teaching method thereof | |
| CN106093664A (en) | Electric car conduction charging measurement system | |
| CN115932454A (en) | Portable direct current fills electric pile testing arrangement | |
| CN203191414U (en) | Connection mode converter for transmission line parameter test | |
| CN115575778A (en) | Calibration system and calibration method of direct-current insulation monitoring device | |
| CN212540657U (en) | Automatic detection charging device and system for battery | |
| CN212255613U (en) | New energy automobile battery pack test system | |
| CN203950010U (en) | Cable local discharge detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |