CN213210403U - Direct current charging performance test system for electric automobile - Google Patents
Direct current charging performance test system for electric automobile Download PDFInfo
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- CN213210403U CN213210403U CN202022131503.6U CN202022131503U CN213210403U CN 213210403 U CN213210403 U CN 213210403U CN 202022131503 U CN202022131503 U CN 202022131503U CN 213210403 U CN213210403 U CN 213210403U
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- direct current
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- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
- Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
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- 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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
- Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
- Y04S30/12—Remote or cooperative charging
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Abstract
The utility model provides a direct current charging performance test system of an electric automobile, which comprises an electric energy management module, a microprocessor module, an electronic lock module, a boundary voltage test module, a main power supply control module, a communication module and the like, wherein the electric energy management module converts + DC12V into +5V \ 3.3V; the microprocessor module is used for controlling the vehicle charging process and acquiring and processing data; the electronic lock circuit is used for state detection and local and remote control of the electronic lock; the boundary voltage testing module is used for generating voltage within a certain range and checking whether the vehicle is normally charged within the voltage range; the main power control circuit is used for switching control and state detection of the direct-current 220V contactor; the communication circuit is used for testing data communication among a computer, the controller and the direct current meter, and the direct current charging performance test Of the EV electric vehicle in an End Of Line (End Of Line) detection link is completed under the control Of the test computer through the direct current charging gun.
Description
Technical Field
The utility model belongs to the electric automobile rolls off the production line and charges the detection area, especially relates to an electric automobile direct current capability test system that charges.
Background
With the continuous consumption of non-renewable energy, the coming energy crisis forces countries to attach more importance to the development and manufacture of electric vehicles, and the development of new energy vehicles also pulls the increase of domestic economy; the production of the electric automobile needs a matched test controller to carry out offline detection on the direct current charging performance of the electric automobile.
However, the charging pile in the market comprises a charging control unit, a data display unit, insulation detection, power supply solution, charging pile network management access and other solutions, and many functions are not necessary for a charging performance test controller; charging performance test cases of different vehicle enterprises and vehicle types are also different; the port protection capability of the charging pile is insufficient, and a lightning protection device is not added at the power supply inlet end; EMC design is not professional.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's above defect or improvement demand, the utility model provides an electric automobile direct current capability test system that charges to a controller that overcomes above-mentioned problem or solve above-mentioned problem at least partially is provided.
In order to achieve the above object, the utility model provides a following scheme:
the utility model discloses an electric automobile direct current capability test system that charges, include:
the device comprises an electric energy management module, a microprocessor module, an electronic lock module, a boundary voltage test module, a main power supply control module and a communication management module;
the electric energy management module is used for supplying power to the direct current charging performance testing system of the electric automobile;
the microprocessor module is used for controlling the charging of the vehicle and the acquisition and processing of data in the charging process;
the electronic lock module is used for locking control and state detection between the system power supply interface and the vehicle interface;
the main power supply control module is used for controlling the electric energy management module;
the boundary voltage testing module is used for generating voltage within a specified range;
the communication management module is used for external communication of the system.
Preferably, the power management module comprises a power management chip and peripheral electronic devices;
the power management chip is a low-component voltage reduction voltage stabilizer;
preferably, the microprocessor comprises a singlechip unit and a communication unit;
the single chip microcomputer unit is used for controlling the charging of the electric automobile and the acquisition and processing of data in the charging process;
the singlechip unit is connected with the communication unit;
the communication unit is connected with the communication management module;
preferably, the electric vehicle direct current charging performance test system further comprises an external system;
the external system includes: a detection system and a direct current meter;
the detection system is a test computer;
the testing computer is used for controlling the electronic lock module, the boundary voltage testing module and the main power supply control module;
the test computer is connected with the communication management module;
the direct current meter is used for detecting the charging current of the electric automobile;
the direct current meter is connected with the communication management module;
preferably, the boundary voltage test module generates a boundary voltage CC2 with a boundary value of 11.2V or 12.8V;
preferably, the electronic lock module includes: h-bridge components and their surrounding simple electronics;
the H-bridge assembly is used for controlling the motion of the electronic lock module.
The communication management module is an isolation chip;
the isolation chip adopts an IC integration technology and has the functions of power isolation, signal isolation, RS485 communication and bus protection;
preferably, the electric vehicle direct current charging performance test system further comprises a protection module;
the protection module is connected with the communication management module and the main power supply control module;
the protection module is a TVS diode.
The utility model discloses a following technological effect:
the utility model provides a DC charging performance test control device, namely, an electric EV charging detection station can select a proper test case under the control of a test computer, and the DC charging performance of a vehicle can be efficiently and reliably detected; in addition, parameters such as charging voltage, charging current, connection information of a charging gun, voltage of each detection point, charging connection control time sequence, voltage adjustment value of a boundary voltage test module and the like in the vehicle charging process are reported to a test computer in a log form; and the utility model discloses from taking on-line to burn and write the function, make things convenient for the scene to carry out the procedure and upgrade, and use the TVS device at communication and power source and protect, reliable and stable use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic diagram of the system structure of the present invention;
fig. 2 is a schematic view of the application of the present invention;
fig. 3 is a circuit diagram of the power management module of the present invention;
fig. 4 is a circuit diagram of a microprocessor module according to the present invention;
fig. 5 is a circuit diagram of an electronic lock module of the present invention;
FIG. 6 is a circuit diagram of a boundary voltage test module of the present invention;
fig. 7 is a circuit diagram of a main power control module of the present invention;
fig. 8 is a circuit diagram of the communication management module of the present invention.
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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to achieve the above object, the utility model provides a following scheme:
as shown in fig. 1-8, the utility model discloses a direct current charging capability test system realizes the direct current charging capability test of vehicle under the control of test computer, a serial communication port, include: the device comprises an electric energy management module, a microprocessor, a boundary voltage test module, a main power supply control module and a communication management module;
the electric energy management module is composed of a power management chip and simple electronic devices on the periphery of the power management chip and mainly achieves the purposes of voltage reduction and voltage stabilization; the power management chip is a low-component number step-down voltage stabilizer, mainly comprises 19-22 electronic devices such as a resistor, a capacitor and an inductor, and the like, and is in the models of MP1584 and AMS1117-3.3, wherein the MP1584 chip can realize 5-28V wide-range power input and supplies power to each system submodule after step-down and voltage stabilization.
The microprocessor module is composed of a single chip microcomputer and a communication unit, the single chip microcomputer realizes the process control of the charging performance test, the receiving and sending of serial port data and the acquisition and processing of charging data, the model number of the single chip microcomputer is STM32F103 series, the chip adopts high-speed full-duplex communication, and a Pulse Width Modulation (PWM) unit is arranged, so that the charging performance test can be effectively realized.
The electronic lock module is composed of a motion-controlled H-bridge component (LMD18200) and simple electronic devices at the periphery of the motion-controlled H-bridge component, and mainly completes the forward and reverse pulse control of the locking and unlocking functions of the electromagnetic lock; the current reaches 3A, and the working voltage reaches 55V. The locking and unlocking states of the electronic lock can be collected in real time.
The boundary voltage testing module is used for generating a specified voltage [ the range is 11.2V-12.8V ] with the boundary value of 11.2V or 12.8V under the control of a testing computer, checking whether the vehicle is normally charged in the voltage range, and reporting the communication state and the charging state; this module converts the adjustment of the R3 resistance into a linear adjustment of the voltage.
The communication management module adopts a Jinsheng RS485 isolation chip (TD321D485H-A), adopts IC integration technology, and has multiple functions of power isolation, signal isolation, RS485 communication, bus protection and the like; the product is provided with a constant voltage isolation power supply, and 3000VDC electrical isolation can be realized; for the parallel connection of multiple RS485 nodes, the reliability of data communication can be improved.
As shown in fig. 2, an application schematic diagram of a dc charging performance testing system disclosed in the embodiment of the present invention;
the electric energy management module is used for generating signals such as DC5V \ DC3.3V \ DC12V and the like required by a system by surge protection, common-mode differential mode filtering, power isolation, DCDC power conversion and LDO voltage reduction processing of input signals of the switching power supply.
The electronic LOCK module is used for outputting a forward or reverse pulse power signal (LOCK +, LOCK-) to a charging gun and an electric automobile under the control of a test computer, and can drive the locking and unlocking control of the electronic LOCK during charging.
The boundary voltage test module is used for generating a boundary voltage CC2 with a boundary value of 11.2V or 12.8V under the control of a test computer and checking whether the vehicle is normally charged in the voltage range. The test requirement of detecting the boundary voltage value of point 2 in the test specification 6.2.5.1 of the conductive charging interoperability of electric vehicles GB/T34657.2-2017 can be met.
The main power supply control module is used for controlling the direct current contactor to start or cut off the output of the power supply module under the requirement of a test computer.
The TVS protection diode is arranged at the communication and power supply port, can protect electrical equipment from being damaged by voltage spikes introduced by a lead, is commonly used at positions of a circuit board, a power supply, a communication port and the like, and is used for protecting the circuit board from being impacted by external high voltage or negative voltage and effectively protecting electronic devices in the circuit board.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an electric automobile direct current capability test system that charges which characterized in that includes:
the device comprises an electric energy management module, a microprocessor module, an electronic lock module, a boundary voltage test module, a main power supply control module and a communication management module;
the electric energy management module is used for supplying power to the direct current charging performance testing system of the electric automobile;
the microprocessor module is used for controlling the charging of the vehicle and the acquisition and processing of data in the charging process;
the electronic lock module is used for locking control and state detection between the system power supply interface and the vehicle interface;
the main power supply control module is used for controlling the electric energy management module;
the boundary voltage testing module is used for generating voltage within a specified range;
the communication management module is used for external communication of the system.
2. The direct-current charging performance testing system of the electric automobile according to claim 1, characterized in that:
the electric energy management module comprises a power management chip and peripheral electronic devices;
the power management chip is a low-component-count voltage reduction stabilizer.
3. The direct-current charging performance testing system of the electric automobile according to claim 1, characterized in that:
the microprocessor comprises a singlechip unit and a communication unit;
the single chip microcomputer unit is used for controlling the charging of the electric automobile and the acquisition and processing of data in the charging process;
the singlechip unit is connected with the communication unit;
the communication unit is connected with the communication management module.
4. The direct-current charging performance testing system of the electric automobile according to claim 1, characterized in that:
the direct-current charging performance testing system of the electric automobile further comprises an external system;
the external system includes: a detection system and a direct current meter;
the detection system is a test computer;
the testing computer is used for controlling the electronic lock module, the boundary voltage testing module and the main power supply control module;
the test computer is connected with the communication management module;
the direct current electric meter is used for detecting the charging current of the electric automobile;
and the direct current electric meter is connected with the communication management module.
5. The direct-current charging performance testing system of the electric automobile according to claim 1, characterized in that:
the boundary voltage test module generates a boundary voltage CC2 with boundary values of 11.2V and 12.8V.
6. The direct-current charging performance testing system of the electric automobile according to claim 1, characterized in that:
the electronic lock module includes: h-bridge components and their surrounding simple electronics;
the H-bridge assembly is used for motion control of the electronic lock module.
7. The direct current charging performance testing system of the electric automobile according to claim 5, characterized in that:
the communication management module is an isolation chip;
the isolation chip adopts an IC integration technology and has the functions of power isolation, signal isolation, RS485 communication and bus protection.
8. The direct-current charging performance testing system of the electric automobile according to claim 1, characterized in that:
the direct current charging performance testing system of the electric automobile further comprises a protection module;
the protection module is connected with the communication management module and the main power supply control module;
the protection module is a TVS diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022131503.6U CN213210403U (en) | 2020-09-25 | 2020-09-25 | Direct current charging performance test system for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022131503.6U CN213210403U (en) | 2020-09-25 | 2020-09-25 | Direct current charging performance test system for electric automobile |
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| CN213210403U true CN213210403U (en) | 2021-05-14 |
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| CN202022131503.6U Active CN213210403U (en) | 2020-09-25 | 2020-09-25 | Direct current charging performance test system for electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115129028A (en) * | 2022-06-27 | 2022-09-30 | 一汽奔腾轿车有限公司 | Automatic IOP test system |
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- 2020-09-25 CN CN202022131503.6U patent/CN213210403U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115129028A (en) * | 2022-06-27 | 2022-09-30 | 一汽奔腾轿车有限公司 | Automatic IOP test system |
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