CN218099402U - Direct current charging pile simulation device for function test - Google Patents
Direct current charging pile simulation device for function test Download PDFInfo
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- CN218099402U CN218099402U CN202221475707.4U CN202221475707U CN218099402U CN 218099402 U CN218099402 U CN 218099402U CN 202221475707 U CN202221475707 U CN 202221475707U CN 218099402 U CN218099402 U CN 218099402U
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- 230000001066 destructive effect Effects 0.000 description 5
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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
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- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model discloses a direct current fills electric pile emulation device for functional test. Among this emulation device, first sub-controller (2), second sub-controller (3) and stake end battery package BMS (4) are connected with main control unit (1) communication, stake end battery package BMS is connected with first sub-controller high voltage electricity, stake end battery package CMU (5) are connected with stake end battery package BMS communication, DC/DC ammeter (7) and simulation AC/DC ammeter host computer (8) are connected with first sub-controller communication, direct current power supply able to programme (9) are connected with first sub-controller communication, direct current power supply able to programme and second sub-controller signal connection, car end battery package BMS is connected with second sub-controller communication, the second sub-controller is connected with interface switch (10) communication that charges, car end battery package BMS is connected with interface switch communication that charges. The simulation device has good simulation effect and high reliability of functional test data.
Description
Technical Field
The utility model relates to a direct current fills electric pile functional test technique especially relates to a direct current fills electric pile simulation device for functional test.
Background
In the development and production process of the direct current charging pile, the need of performing some function tests on the direct current charging pile is avoided, and specific data for realizing some functions are acquired, so that whether the performance of the direct current charging pile meets the requirements of national standards and the requirements of customers is judged.
At present, the function test of the direct current charging pile is mainly realized through two modes, one mode is to adopt simulation software to simulate the function test of the direct current charging pile, and the other mode is to carry out the function test on the real direct current charging pile. The functional test realized by adopting the simulation software cannot completely consider various complex factors in the real environment, so that the reliability of the data finally obtained by the functional test is not high. The real direct current charging pile is adopted to perform function test, some fault conditions are difficult to simulate, and therefore the function of the direct current charging pile under the fault conditions cannot be tested. Specifically, a large number of high-voltage devices and lines exist in a real direct-current charging pile, if some fault conditions need to be simulated, a worker needs to manually implement some destructive operations on the high-voltage devices and the lines in the direct-current charging pile, the destructive operations not only can cause destructive damage to the direct-current charging pile and cause high testing cost, but also can cause adverse effects on the personal safety of the worker, and therefore the feasibility is poor when the real direct-current charging pile is used for implementing functional testing under the fault conditions.
Except for the two modes, a simulation device for the function test of the direct current charging pile does not exist at present.
Disclosure of Invention
An object of the utility model is to provide a direct current fills electric pile simulation device for functional test, this simulation device simulation effect is better, and it is higher to adopt this simulation device to carry out the direct current and fills the reliability that electric pile functional test reachs data, can also realize the functional test of high-pressure device and line fault.
In order to realize the technical purpose, the utility model adopts the following technical scheme:
a direct current charging pile simulation device for functional testing comprises a main controller, a first sub-controller, a second sub-controller, a pile end battery pack BMS, a pile end battery pack CMU, a vehicle end battery pack BMS, a DC/DC electric meter, a simulation AC/DC electric meter upper computer, a programmable direct current power supply, a charging interface switch and a CAN bus; first sub-controller, second sub-controller and stake end battery package BMS all are connected through CAN bus and main control unit communication, the high-voltage terminal of stake end battery package BMS passes through the power line bunch with the high-voltage terminal of first sub-controller and is connected, stake end battery package CMU and stake end battery package BMS communication are connected, DC/DC ammeter and simulation AC/DC ammeter host computer all are connected with first sub-controller communication, DC power able to programme is connected with first sub-controller communication, DC power able to programme's high-voltage terminal and second sub-controller's high-voltage terminal pass through the power line bunch and are connected, car end battery package BMS is connected with second sub-controller communication, the second sub-controller with charge between the interface switch charge the communication be connected, car end battery package BMS and charge between the interface switch the communication be connected.
Furthermore, the simulation device also comprises a card reader and a touch screen, wherein the card reader and the touch screen are both in communication connection with the main controller.
Furthermore, the simulation device also comprises a T-BOX, and the T-BOX is in communication connection with the main controller through a CAN bus.
Further, the main controller, the first sub-controller and the second sub-controller are all ECU controllers.
Further, the stub battery pack CMU is in communication connection with the stub battery pack BMS through the CAN wire harness, and the car end battery pack BMS is in communication connection with the second sub-controller through the CAN wire harness.
Furthermore, the DC/DC electric meter and the upper computer of the analog AC/DC electric meter are in communication connection with the first sub-controller through RS-485 interfaces.
Furthermore, the programmable direct current power supply is in communication connection with the first sub-controller through an RS-232 interface.
The utility model discloses a relative prior art of emulation device, its beneficial effect lies in: because the module device that adopts in this simulation device is the module device in the real direct current stake of charging, therefore the simulation effect is better, the reliability that adopts this simulation device to carry out direct current and fills the reliability of electric pile function test gained data is higher, and, this simulation device can also simulate the fault condition of high-voltage device and circuit in the direct current stake of charging, thereby for realizing the functional test of high-voltage device and circuit trouble provides the condition, the staff then need not simulate the fault condition of high-voltage device and circuit through implementing destructive operation in real direct current stake of charging, thereby the cost of direct current stake functional test has been reduced, staff's personal safety has also been ensured simultaneously.
Drawings
Fig. 1 is the utility model discloses an electric schematic diagram of a direct current fills electric pile emulation device for functional test.
In the figure: the system comprises a main controller 1, a first sub-controller 2, a second sub-controller 3, a pile end battery pack BMS 4, a pile end battery pack CMU 5, a car end battery pack BMS 6, a DC/DC electric meter 7, an AC/DC electric meter upper computer 8, a programmable DC power supply 9, a charging interface switch 10, a T-BOX 12, a card reader 13, a touch screen 14 and a CAN bus 15.
Detailed Description
First, some concepts involved herein are explained as follows:
the ECU referred to herein is an abbreviation of "Electronic Control Unit", wherein the translation is an "Electronic Control Unit", also known as a "traveling computer", a "vehicle-mounted computer", and the like, and is composed of a microcontroller, a memory, an input/output interface, an analog-to-digital converter, and a large-scale integrated circuit such as a shaping circuit, a driving circuit, and the like, as in a general computer.
CAN as referred to herein is an abbreviation for "Controller Area Network" in english, wherein the translation is "Controller Area Network", developed by BOSCH company, germany, known by research and production of automotive electronics, and finally becoming an international standard, which is one of the most widely used field buses internationally.
RS-485, as referred to herein, is a standard defined by the telecommunications industry association and the electronics industry consortium that balances the electrical characteristics of drivers and receivers in digital multipoint systems, and the digital communication network using this standard is capable of efficiently transmitting signals over long distances and in electronically noisy environments.
RS-232, as referred to herein, is one of the commonly used serial communication interface standards, which was commonly established by the american association of electronics and industry association bell systems, modem manufacturers, and computer terminal manufacturers in 1970, and is known as "technical standard for serial binary data exchange interface between data terminal equipment and data communication equipment".
Reference herein to DC/DC is to "direct current to direct current", as is common knowledge to those skilled in the art.
Reference herein to AC/DC is to "alternating current to direct current", as is common knowledge to those skilled in the art.
The BMS mentioned in the text is the abbreviation of English "Battery MANAGEMENT System", wherein the translation is "BATTERY MANAGEMENT System", it is the tie between BATTERY and the user, and the main object is secondary BATTERY, mainly is in order to improve the utilization ratio of BATTERY, prevents that the BATTERY from appearing overcharging and overdischarging, can be used to electric automobile, storage BATTERY car, robot, unmanned aerial vehicle etc. this is the general knowledge that technical staff in the field all knows.
CMU as referred to herein is an abbreviation of "Cell monitor Unit" in english, wherein the translation is "Cell monitoring Unit" and its function is responsible for measuring Cell voltage, current and temperature parameters of the battery, which is common knowledge known to those skilled in the art.
The T-BOX referred to herein is an abbreviation of "Telematics BOX" in english, wherein the translation is a "Telematics BOX", generally called as an onboard T-BOX, and is mainly used for communicating with a background system/mobile phone APP to implement vehicle information display and control of the mobile phone APP, which is common knowledge known to those skilled in the art.
The invention will be further described with reference to the following drawings and specific embodiments:
referring to fig. 1, the embodiment provides a dc charging pile simulation device for functional test, the simulation device has a good simulation effect, the reliability of data obtained by the dc charging pile functional test performed by the simulation device is high, and functional test of high-voltage devices and line faults can be realized.
The simulation device of the embodiment comprises a main controller 1, a first sub-controller 2, a second sub-controller 3, a stub battery pack BMS 4, a stub battery pack CMU 5, a vehicle end battery pack BMS 6, a DC/DC electric meter 7, a simulation AC/DC electric meter upper computer 8, a programmable DC power supply 9, a charging interface switch 10, a T-BOX 12, a card reader 13, a touch screen 14 and a CAN bus 15.
The first sub-controller 2, the second sub-controller 3, the stub battery pack BMS 4 and the T-BOX 12 are all in communication connection with the main controller 1 through a CAN bus 15.
And the high-voltage end of the pile-end battery pack BMS 4 is connected with the high-voltage end of the first sub-controller 2 through a power harness so as to simulate the connection of a high-voltage copper bar.
And the stub battery pack CMU 5 is in communication connection with the stub battery pack BMS 4 through a CAN wire harness.
The DC/DC electric meter 7 and the analog AC/DC electric meter upper computer 8 are in communication connection with the first sub-controller 2 through RS-485 interfaces.
The programmable direct current power supply 9 is in communication connection with the first sub-controller 2 through an RS-232 interface.
The high-voltage end of the programmable direct-current power supply 9 is connected with the high-voltage end of the second sub-controller 3 through a power line bundle.
The card reader 13 and the touch screen 14 are both in communication connection with the main controller 1 through RS-232 interfaces.
And the vehicle end battery pack BMS 6 is in communication connection with the second sub-controller 3 through a CAN wire harness.
And the second sub-controller 3 is connected with the charging interface switch 10 through a charging communication wire harness in a charging communication manner. Specifically, a group of communication pins of the second sub-controller 3 is connected as a charging communication terminal to the pin of the charging interface switch 10.
The vehicle-end battery pack BMS 6 is connected with the charging interface switch 10 through a charging communication harness in a charging communication manner. Specifically, the charging communication terminal of the second sub-controller 3 is correspondingly connected to the pin terminal of the charging interface switch 10.
The charging interface switch 10 is an actual vehicle charging interface. The charging communication connection is realized between the second sub-controller 3 and the vehicle end battery pack BMS 6 through the charging interface switch 10, the connection is equivalent to the connection between a charging gun of an actual charging pile and a vehicle charging interface, when the charging interface switch 10 is closed, the connection is equivalent to the connection that the charging gun is inserted into the vehicle charging interface, the charging pile realizes the charging communication connection with the battery pack of the vehicle, when the charging interface switch 10 is disconnected, the connection is equivalent to the connection that the charging gun is pulled out from the vehicle charging interface, and the charging communication connection between the charging pile and the battery pack of the vehicle is disconnected.
In the present embodiment, the main controller 1, the first sub-controller 2, and the second sub-controller 3 are all ECU controllers, and programs for simulating various functions of the dc charging pile are provided therein.
In the simulation apparatus of the present embodiment, the main controller 1, the second sub-controller 3, the stub battery pack BMS 4, the stub battery pack CMU 5, the T-BOX 12, the DC/DC meter 7, the card reader 13, and the touch screen 14 are module devices in the real DC charging pile.
The first sub-controller 2 is matched with the programmable direct current power supply 9 together, and the direct current voltage conversion function of a DC/DC power module in the direct current charging pile can be realized in a simulated mode. Specifically, the first sub-controller 2 controls the programmable dc power supply 9 to output a corresponding voltage, and the first sub-controller 2 adjusts a resistance in the voltage acquisition circuit, so as to convert an input low voltage into an output high voltage.
The first sub-controller 2 can also simulate and realize the working state message of a thermal management module in the direct current charging pile and the working state message of AC/DC.
And the vehicle end battery pack BMS 6 is used for simulating the interaction between a BMS controller of an actual vehicle and the direct current charging pile. Specifically, the charging process flow of a charging handshake stage, a charging parameter configuration stage, a charging stage and a charging end stage of the actual vehicle and the direct-current charging pile is simulated through the vehicle-end battery pack BMS 6.
The upper computer 8 of the analog AC/DC electric meter is used for simulating the input of an external alternating current power supply. Specifically, the analog AC/DC meter upper computer 8 can send analog AC voltage and current, power, and the like data to the first sub-controller 2.
The charging interface switch 10 is used for simulating the connection between a charging gun of a direct current charging pile and a vehicle charging interface. Specifically, the charging interface switch 10 is capable of performing charging gun side signal interaction with the second sub-controller 3 and the vehicle side battery pack BMS 6, respectively.
The simulation device of the embodiment is a simulation device for an actual direct current charging pile, and is mainly used for simulation test of functions of the direct current charging pile. In the simulation device of the embodiment, programs are set in the main controller 1, the first sub-controller 2 and the second sub-controller 3 to control communication signal transmission among all component modules, so that various communication fault conditions of the direct current charging pile can be simulated, especially faults of high-voltage devices and circuits in the direct current charging pile can be simulated, and the direct current charging pile function is convenient to test.
According to the simulation device of the embodiment, the adopted module devices are all module devices in the real direct current charging pile, so that the simulation effect is good, and the reliability of data obtained by the simulation device for the direct current charging pile function test is high. This simulation device can also simulate out the fault condition of high-voltage device and circuit among the direct current charging pile to for the functional test who realizes "high-voltage device and circuit trouble" provides the condition, the staff then need not simulate out the fault condition of high-voltage device and circuit through "implement destructive operation in real direct current charging pile", thereby has reduced the direct current charging pile functional test's cost, has also ensured staff's personal safety simultaneously.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (7)
1. The utility model provides a direct current fills electric pile simulation device for functional test which characterized in that: the system comprises a main controller (1), a first sub-controller (2), a second sub-controller (3), a pile end battery pack BMS (4), a pile end battery pack CMU (5), a vehicle end battery pack BMS (6), a DC/DC electric meter (7), a simulation AC/DC electric meter upper computer (8), a programmable direct current power supply (9), a charging interface switch (10) and a CAN bus (15);
first sub-controller (2), second sub-controller (3) and stake end battery package BMS (4) all are connected with main control unit (1) communication through CAN bus (15), the high-voltage terminal of stake end battery package BMS (4) passes through the power line bundle with the high-voltage terminal of first sub-controller (2) and is connected, stake end battery package CMU (5) and stake end battery package BMS (4) communication are connected, DC/DC ammeter (7) and simulation AC/DC ammeter host computer (8) all are connected with first sub-controller (2) communication, DC power source able to programme (9) and first sub-controller (2) communication are connected, the high-voltage terminal of DC power source able to programme (9) and the high-voltage terminal of second sub-controller (3) pass through the power line bundle and are connected, car end battery package BMS (6) and second sub-controller (3) communication are connected, charge communication between second sub-controller (3) and the interface switch (10) and be connected, car end battery package BMS (6) and the interface switch that charges are connected between the interface switch (10).
2. The direct current charging pile simulation device for the functional test according to claim 1, characterized in that: the simulation device further comprises a card reader (13) and a touch screen (14), wherein the card reader (13) and the touch screen (14) are both in communication connection with the main controller (1).
3. The direct current charging pile simulation device for the functional test according to claim 1, characterized in that: the simulation device also comprises a T-BOX (12), and the T-BOX (12) is in communication connection with the main controller (1) through a CAN bus (15).
4. The direct current charging pile simulation device for the functional test according to claim 1, characterized in that: the main controller (1), the first sub-controller (2) and the second sub-controller (3) are all ECU controllers.
5. The direct-current charging pile simulation device for the functional test according to claim 1, characterized in that: stake end battery package CMU (5) are connected with stake end battery package BMS (4) communication through the CAN pencil, car end battery package BMS (6) are connected with second sub-controller (3) communication through the CAN pencil.
6. The direct current charging pile simulation device for the functional test according to claim 1, characterized in that: the DC/DC electric meter (7) and the analog AC/DC electric meter upper computer (8) are in communication connection with the first sub-controller (2) through RS-485 interfaces.
7. The direct current charging pile simulation device for the functional test according to claim 1, characterized in that: the programmable direct current power supply (9) is in communication connection with the first sub-controller (2) through an RS-232 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221475707.4U CN218099402U (en) | 2022-06-14 | 2022-06-14 | Direct current charging pile simulation device for function test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221475707.4U CN218099402U (en) | 2022-06-14 | 2022-06-14 | Direct current charging pile simulation device for function test |
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| CN218099402U true CN218099402U (en) | 2022-12-20 |
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| CN202221475707.4U Active CN218099402U (en) | 2022-06-14 | 2022-06-14 | Direct current charging pile simulation device for function test |
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Effective date of registration: 20240102 Address after: Room 304, 3rd Floor, Building 1, No. 111 Wusongjiang Avenue, Guoxiang Street, Wuzhong District, Suzhou City, Jiangsu Province, 215124 Patentee after: JIANGSU DUPU NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: Room 1001, 10 / F, office building, Shihu Jinling Plaza, 88 Nanxijiang Road, Yuexi, Wuzhong District, Suzhou City, Jiangsu Province, 215128 Patentee before: DuPu (Suzhou) New Energy Technology Co.,Ltd. |
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