New energy automobile charging system practical training platform

Abstract

The invention discloses a new energy automobile charging system practical training platform which comprises a platform frame, universal wheels with brake pads are arranged at the bottom of the platform frame, a practical training box is vertically arranged on the upper surface of the platform frame, and a simulation electric automobile unit, a simulation charging pile unit, a simulation electric automobile battery pack unit and a battery charging simulation unit are arranged in the practical training box. The simulation electric vehicle unit, the simulation charging pile unit and the simulation electric vehicle battery pack unit are respectively connected with the battery charging simulation unit. According to the invention, function expansion or upgrading can be conveniently carried out according to teaching needs, and the understanding and application capability improvement of students on a complex electrical system can be promoted through a highly-simulated design.

Description

Technical Field

[0001] The present invention relates to the technical field of training equipment, and in particular to a new energy vehicle charging system training platform. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional vehicle fuels as a power source (or use conventional vehicle fuels and adopt new vehicle power devices), integrate advanced technologies in vehicle power control and drive, and form vehicles with advanced technical principles, new technologies, and new structures. New energy vehicles include four major types: hybrid electric vehicles (HEV), pure electric vehicles (BEV, including solar vehicles), fuel cell electric vehicles (FCEV), and other new energy vehicles (such as supercapacitors, flywheels and other high-efficiency energy storage devices). Among them, electric vehicles are already the trend of future development;

[0003] In today's ever-changing world, the maintenance of new energy vehicles will definitely be included in the school curriculum, but pure theoretical knowledge cannot improve students' interest in learning and make it impossible to understand the knowledge points. Therefore, a new energy vehicle charging system training platform that can simulate the real charging environment is needed to cooperate with teaching. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a new energy vehicle charging system training platform to solve the problems raised in the background technology.

[0005] In order to solve the above technical problems, the technical solutions adopted by the present invention are as follows.

[0006] A new energy vehicle charging system training platform, comprising a platform, a universal wheel with a brake pad is arranged at the bottom of the platform, and a training box is erected on the upper surface of the platform, wherein a simulated electric vehicle unit, a simulated charging pile unit, a simulated electric vehicle battery unit and a battery charging simulation unit are arranged in the training box; the simulated electric vehicle unit, the simulated charging pile unit and the simulated electric vehicle battery unit are respectively connected to the battery charging simulation unit;

[0007] The simulated electric vehicle unit is used to simulate the charging requirements of different types of electric vehicles;

[0008] The simulated charging pile unit includes an AC simulated charging pile module and a DC simulated fast charging pile module that support different voltage levels and charging modes;

[0009] The simulated electric vehicle battery pack unit is used to simulate batteries of different types and parameters;

[0010] The battery charging simulation unit is used to simulate and display the battery state change according to the data of the simulated electric vehicle unit, the simulated charging pile unit and the simulated electric vehicle battery pack unit.

[0011] Preferably, the training box comprises a box body with an opening at the rear and a cover box with an opening at the rear of the box body; the cover box is a flat hollow structure, a front box plate of the cover box close to the box body is evenly provided with a plurality of air outlets, and a cover box and an air inlet box arranged up and down are provided on the outer side wall of the rear box plate of the cover box opposite to the front box plate; a plurality of air inlets are evenly provided on the air inlet box, and a filter net covering the air inlet to filter the incoming air is provided on the inner wall of the air inlet box; an induced draft fan is provided inside the cover box, the air inlet of the induced draft fan is connected with the air inlet box, and the air outlet of the induced draft fan is connected with the cover box; a plurality of exhaust outlets inclined downward are respectively provided on the box plates on both sides of the box body.

[0012] Preferably, a first sensor for detecting the inlet air temperature is arranged inside the air inlet box, and a second temperature sensor for detecting the temperature inside the box is arranged inside the box; the output ends of the first sensor and the second temperature sensor are connected to a PLC controller arranged in the cover box, and the output end of the PLC controller is connected to the controlled end of the induced draft fan.

[0013] Preferably, the simulated electric vehicle unit includes an electric vehicle type selection module, a daily mileage distribution module, a network access time distribution module and an initial state of charge distribution module, which work together to simulate the charging requirements of different types of electric vehicles. The electric vehicle type selection module, the daily mileage distribution module, the network access time distribution module and the initial state of charge distribution module are electrically connected to a simulated electric vehicle touch display screen arranged on the front panel of the box body, which is used to set the parameters of each module of the simulated electric vehicle unit and realize human-computer interaction of the simulated electric vehicle unit.

[0014] Preferably, the simulated charging pile unit also includes a simulated charging pile touch display screen which is electrically connected to the AC simulated charging pile module and the DC simulated fast charging pile module and is arranged on the front panel of the box body, and is used to realize simulated charging parameter setting and realize human-computer interaction of the simulated charging pile unit.

[0015] Preferably, the simulated electric vehicle battery pack unit includes a battery type selection module, a single cell battery quantity setting module, a battery series or parallel selection module, and a simulated electric vehicle battery pack touch display screen electrically connected to the battery type selection module, the single cell battery quantity setting module and the battery series or parallel selection module and used to realize the simulated electric vehicle battery pack parameter setting and realize the simulated electric vehicle battery pack unit human-computer interaction; the simulated electric vehicle battery pack touch display screen is arranged on the front panel of the box.

[0016] Preferably, the battery charging simulation unit includes a matching probability model unit, a sampling simulation unit, a battery state updating unit, a data analysis unit and a battery charging simulation touch display screen;

[0017] The matching probability model unit has a built-in probability distribution model including but not limited to the start time of charging of electric vehicle users and the charging duration, which is established according to the actual charging behavior data and rules. The matching probability model unit matches the appropriate probability distribution model according to the data of the simulated electric vehicle unit, the simulated charging pile unit and the simulated electric vehicle battery pack unit and sends it to the sampling simulation unit;

[0018] The sampling simulation unit generates charging start time and charging duration samples that conform to the received probability distribution model using random numbers, calculates the battery pack charging state change under the charging event, and sends it to the battery state update unit; in the process of calculating the battery pack charging state change under the charging event, the charging process including but not limited to the influence of battery attenuation and temperature on charging efficiency is considered;

[0019] The battery status update unit updates the charge state of the battery pack according to the simulated charging condition and sends it to the battery charging simulation touch display screen for display and to the data analysis unit for analysis;

[0020] The data analysis unit is used to analyze the simulation results, evaluate the changing characteristics and influencing factors of the charging state of the battery pack under the charging event, and send them to the battery charging simulation touch display screen for display;

[0021] The battery charging simulation touch display screen is arranged on the front panel of the box.

[0022] Due to the adoption of the above technical scheme, the technical progress achieved by the present invention is as follows.

[0023] The present invention provides a simulated electric vehicle unit, a simulated charging pile unit, a simulated electric vehicle battery pack unit and a battery charging simulation unit, which not only facilitates functional expansion or upgrading according to teaching needs, but also promotes students' understanding and application capabilities of complex electrical systems through highly simulated design; the provided cover box and induced draft fan can achieve good heat dissipation, ensure the normal operation of the training platform, and extend its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention;

[0025] Figure 2 It is a schematic structural diagram of the cover box of the present invention from a first viewing angle;

[0026] Figure 3 It is a second perspective structural schematic diagram of the cover box of the present invention;

[0027] Figure 4 It is a principle block diagram of the present invention.

[0028] Among them: 1. Test bench, 2. Training box, 21. Box body, 22. Cover box, 221. Air outlet, 222. Air inlet box, 223. Air inlet, 224. Cover box, 3. Universal wheel, 4. Simulated electric vehicle touch screen, 5. Simulated charging pile touch screen, 6. Simulated electric vehicle battery pack touch screen, 7. Battery charging simulation touch screen. DETAILED DESCRIPTION

[0029] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] A new energy vehicle charging system training platform, combined with Figures 1 to 4 As shown, it includes a stand 1, a universal wheel 3 is provided at the bottom of the stand 1, and a brake pad is provided on the universal wheel 3, so that the training stand can be easily moved and fixed; a training box 2 is erected on the upper surface of the stand 1, and a simulated electric vehicle unit, a simulated charging pile unit, a simulated electric vehicle battery pack unit and a battery charging simulation unit are provided in the training box 2, wherein the simulated electric vehicle unit, the simulated charging pile unit and the simulated electric vehicle battery pack unit are respectively connected to the battery charging simulation unit.

[0031] The training box 2 includes a box body 21 and a cover box 22, wherein the box body 21 is a structure with an opening at the rear; the cover box 22 covers the rear opening of the box body 21. Specifically, the cover box 22 is a flat hollow structure, and a plurality of air outlets 221 are evenly provided on the front box plate of the cover box 22 close to the box body 21. A cover box 224 and an air inlet box 222 are provided on the outer side wall of the rear box plate opposite to the front box plate of the cover box 22, and the cover box 224 and the air inlet box 222 are arranged up and down. A plurality of air inlets 223 are evenly provided on the air inlet box 222, and a filter screen covering the air inlet 223 is provided on the inner wall of the air inlet box 222. The filter screen is used to filter the incoming air, and the filter screen is detachably provided in the air inlet box 222, so as to facilitate replacement. An induced draft fan is provided inside the cover box 224, and the air inlet of the induced draft fan is connected to the air inlet box 222, and the air outlet of the induced draft fan is connected to the cover box 22. A plurality of air outlets are respectively provided on the box panels on both sides of the box body 21 . The air outlets are opened obliquely downward to prevent external dust from entering the box body 21 .

[0032] A first sensor is provided inside the air inlet box 222, and the first sensor is used to detect the inlet air temperature; a second temperature sensor is provided inside the box 21, and the second temperature sensor is used to detect the temperature inside the box 21. A PLC controller is provided in the cover box 224, and the input end of the PLC controller is connected to the output ends of the first sensor and the second temperature sensor, and the output end of the PLC controller is connected to the controlled end of the induced draft fan. When the second temperature sensor detects that the temperature inside the box 21 is higher than the set value, the induced draft fan will be started to induced air into the box 21, and the induced air will be discharged through the exhaust ports on both sides of the box 21 to take away the heat inside the box 21, thereby achieving heat dissipation in the box 21 and ensuring the operation of each unit. The PLC controller also controls the induced air speed of the induced draft fan according to the inlet air temperature detected by the first sensor to ensure the heat dissipation effect.

[0033] The electric vehicle simulation unit is used to simulate the charging requirements of different types of electric vehicles. Specifically, the electric vehicle simulation unit includes an electric vehicle type selection module, a daily mileage distribution module, a network access time distribution module and an initial state of charge distribution module. The electric vehicle type selection module, the daily mileage distribution module, the network access time distribution module and the initial state of charge distribution module work together to simulate the charging requirements of different types of electric vehicles. Among them, the electric vehicle type selection module has different types of electric vehicles on the market built-in, and the electric vehicle type can be selected through the electric vehicle type selection module; the daily mileage distribution module is responsible for simulating the daily mileage of different types of electric vehicles. It is based on actual driving data and statistical models. Taking into account various driving scenarios such as urban driving and highway driving, the daily mileage distribution module can predict the amount of electricity that electric vehicles need to replenish every day, thereby affecting the frequency and intensity of charging requirements; the network access time distribution module is used to simulate the time distribution of charging requirements; the initial state of charge distribution module is used to describe the power level of the electric vehicle at the beginning of a day's journey. It is simulated based on the user's charging habits and previous charging behaviors. The initial state of charge directly affects whether the electric vehicle needs to be charged immediately at a certain time of the day and how much power is needed.

[0034] The electric vehicle type selection module, the daily mileage distribution module, the network access time distribution module and the initial charge state distribution module are electrically connected to the simulated electric vehicle touch display screen 4, which is arranged on the front panel of the box 21. The simulated electric vehicle touch display screen 4 is used to set the parameters of each module of the simulated electric vehicle unit and realize the human-computer interaction of the simulated electric vehicle unit.

[0035] The simulated charging pile unit includes an AC simulated charging pile module, a DC simulated fast charging pile module and a simulated charging pile touch display screen 5, wherein the AC simulated charging pile module and the DC simulated fast charging pile module both support different voltage levels and charging modes, and the simulated charging pile touch display screen 5 is electrically connected to the AC simulated charging pile module and the DC simulated fast charging pile module and is arranged on the front panel of the box 21, and the simulated charging pile touch display screen 5 is used to realize the simulated charging parameter setting and realize the human-computer interaction of the simulated charging pile unit.

[0036] The simulated electric vehicle battery pack unit is used to simulate batteries of different types and parameters, including a battery type selection module, a single cell battery quantity setting module, a battery series or parallel selection module and a simulated electric vehicle battery pack touch display screen 6, wherein the battery type selection module can realize the selection of different types of batteries; the single cell battery quantity setting module can realize the setting of the single cell battery quantity; the battery series or parallel selection module can realize the battery is connected in series or in parallel, thereby simulating batteries of the required type and parameters. The simulated electric vehicle battery pack touch display screen 6 is set on the front panel of the box body 21, and the simulated electric vehicle battery pack touch display screen 6 is electrically connected to the battery type selection module, the single cell battery quantity setting module and the battery series or parallel selection module, and the simulated electric vehicle battery pack touch display screen 6 is used to realize the simulated electric vehicle battery pack parameter setting and realize the human-computer interaction of the simulated electric vehicle battery pack unit.

[0037] The battery charging simulation unit is used to simulate and display the battery state changes according to the data of the simulated electric vehicle unit, the simulated charging pile unit and the simulated electric vehicle battery pack unit. Specifically, the battery charging simulation unit includes a matching probability model unit, a sampling simulation unit, a battery state update unit, a data analysis unit and a battery charging simulation touch display screen 7, wherein the output end of the matching probability model unit is connected to the input end of the sampling simulation unit, the output end of the sampling simulation unit is connected to the battery state update unit, and the output end of the battery state update unit is connected to the input end of the data analysis unit and the battery charging simulation touch display screen 7 respectively.

[0038] The matching probability model unit has a built-in probability distribution model, which is established based on actual charging behavior data and patterns. The specific charging behavior data and patterns include the time when electric vehicle users start charging, the charging duration, etc. The matching probability model unit matches the appropriate probability distribution model based on the data of the simulated electric vehicle unit, the simulated charging pile unit, and the simulated electric vehicle battery pack unit and sends it to the sampling simulation unit.

[0039] The sampling simulation unit uses random numbers to generate charging start time and charging duration samples that conform to the received probability distribution model, and calculates the battery pack charging state change under the charging event and sends it to the battery state update unit. In the process of calculating the battery pack charging state change under the charging event, the influence of battery attenuation and temperature on charging efficiency during the charging process must be considered.

[0040] The battery status update unit updates the charge state of the battery pack according to the simulated charging condition and sends it to the battery charging simulation touch display screen 7 for display and to the data analysis unit for analysis.

[0041] The data analysis unit is used to analyze the simulation results, evaluate the changing characteristics and influencing factors of the battery pack charging state under the charging event, and send them to the battery charging simulation touch display screen 7 for display.

[0042] The battery charging simulation touch display screen 7 is arranged on the front panel of the box body 21, so as to facilitate the students to learn and understand.

[0043] The present invention adopts a modular design, which is convenient for functional expansion or upgrading according to teaching needs, and promotes students' understanding and application ability of complex electrical systems through a highly simulated design.

Claims

1. A new energy vehicle charging system training platform, comprising a platform (1), a universal wheel (3) with a brake pad is arranged at the bottom of the platform (1), and a training box (2) is vertically arranged on the upper surface of the platform (1), characterized in that: The training box (2) is provided with a simulated electric vehicle unit, a simulated charging pile unit, a simulated electric vehicle battery unit and a battery charging simulation unit; the simulated electric vehicle unit, the simulated charging pile unit and the simulated electric vehicle battery unit are respectively connected to the battery charging simulation unit; The simulated electric vehicle unit is used to simulate the charging requirements of different types of electric vehicles; The simulated charging pile unit includes an AC simulated charging pile module and a DC simulated fast charging pile module that support different voltage levels and charging modes; The simulated electric vehicle battery pack unit is used to simulate batteries of different types and parameters; The battery charging simulation unit is used to simulate and display the battery state change according to the data of the simulated electric vehicle unit, the simulated charging pile unit and the simulated electric vehicle battery pack unit.

2. A new energy vehicle charging system training platform according to claim 1, characterized in that: The training box (2) comprises a box body (21) with an opening at the rear and a cover box (22) with an opening at the rear of the cover box body (21); the cover box (22) is a flat hollow structure, a front box plate of the cover box (22) close to the box body (21) is evenly provided with a plurality of air outlets (221), and a cover box (224) and an air inlet box (222) are arranged up and down on the outer side wall of the rear box plate of the cover box (22) opposite to the front box plate; the air inlet box (224) is provided with a cover box (224) and an air inlet box (222) arranged up and down; A plurality of air inlets (223) are evenly arranged on the cover box (222); a filter screen covering the air inlets (223) for filtering the incoming air is arranged on the inner wall of the air inlet box (222); an induced draft fan is arranged inside the cover box (224); the air inlet of the induced draft fan is connected to the air inlet box (222), and the air outlet of the induced draft fan is connected to the cover box (22); and a plurality of exhaust outlets inclined downward are respectively arranged on the box plates on both sides of the box body (21).

3. A new energy vehicle charging system training platform according to claim 2, characterized in that: A first sensor for detecting the temperature of the incoming air is disposed inside the air inlet box (222), and a second temperature sensor for detecting the temperature inside the box (21) is disposed inside the box (21); the output ends of the first sensor and the second temperature sensor are connected to a PLC controller disposed in the cover box (224), and the output end of the PLC controller is connected to a controlled end of the induced draft fan.

4. A new energy vehicle charging system training platform according to claim 2, characterized in that: The simulated electric vehicle unit comprises an electric vehicle type selection module, a daily mileage distribution module, a network access time distribution module and an initial state of charge distribution module, which work together to simulate the charging requirements of different types of electric vehicles. The electric vehicle type selection module, the daily mileage distribution module, the network access time distribution module and the initial state of charge distribution module are electrically connected to a simulated electric vehicle touch display screen (4) arranged on the front panel of the box (21) and used for setting the parameters of each module of the simulated electric vehicle unit and realizing human-computer interaction of the simulated electric vehicle unit.

5. The new energy vehicle charging system training platform according to claim 2 is characterized by: The simulated charging pile unit also includes a simulated charging pile touch display screen (5) which is electrically connected to the AC simulated charging pile module and the DC simulated fast charging pile module and is arranged on the front panel of the box (21) and is used to realize simulated charging parameter setting and realize human-computer interaction of the simulated charging pile unit.

6. A new energy vehicle charging system training platform according to claim 2, characterized in that: The simulated electric vehicle battery pack unit comprises a battery type selection module, a single cell battery quantity setting module, a battery series or parallel selection module, and a simulated electric vehicle battery pack touch display screen (6) electrically connected to the battery type selection module, the single cell battery quantity setting module and the battery series or parallel selection module and used to realize simulated electric vehicle battery pack parameter setting and realize simulated electric vehicle battery pack unit human-computer interaction; the simulated electric vehicle battery pack touch display screen (6) is arranged on the front panel of the box body (21).

7. The new energy vehicle charging system training platform according to claim 2 is characterized by: The battery charging simulation unit comprises a matching probability model unit, a sampling simulation unit, a battery state updating unit, a data analysis unit and a battery charging simulation touch display screen (7); The matching probability model unit has a built-in probability distribution model including but not limited to the start time of charging of electric vehicle users and the charging duration, which is established according to the actual charging behavior data and rules. The matching probability model unit matches the appropriate probability distribution model according to the data of the simulated electric vehicle unit, the simulated charging pile unit and the simulated electric vehicle battery pack unit and sends it to the sampling simulation unit; The sampling simulation unit generates charging start time and charging duration samples that conform to the received probability distribution model using random numbers, calculates the battery pack charging state change under the charging event, and sends it to the battery state update unit; in the process of calculating the battery pack charging state change under the charging event, the charging process including but not limited to the influence of battery attenuation and temperature on charging efficiency is considered; The battery status update unit updates the charge state of the battery pack according to the simulated charging condition and sends it to the battery charging simulation touch display screen (7) for display and to the data analysis unit for analysis; The data analysis unit is used to analyze the simulation results, evaluate the change characteristics and influencing factors of the battery pack charging state under the charging event, and send them to the battery charging simulation touch display screen (7) for display; The battery charging simulation touch display screen (7) is arranged on the front panel of the box (21).

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