Pure electric vehicle power management Experimental desk

 

Use new energy vehicle iron phosphate power battery packs, single battery (3.2V20AH, 24 string), all -in -one BMS battery management system with CAN bus, with passive balance function; truly present the core of lithium iron phosphate power battery packs The connection control relationship, installation location and operating parameters, and high -voltage system safety precautions between parts and components, and cultivate students to analyze and deal with lithium iron phosphate power battery packs (BMS) f--lure. It is suitable for real -time monitoring, fault diagnosis, SOC estimation, short -circuit protection, insulation detection, charging control, equilibrium and other functions for understanding and verifying the power battery parameters of electric vehicles. Information interaction, ensuring the efficient, reliable and safe BMS teaching tr--ning experiments of electric vehicles.

 

2. Functional characteristics

 

1. Real and running new energy power battery charging charging assembly, fully display the structure and logical control relationship of each major component component.

 

2. The m--n components are installed on the tr--ning table. The electrical connection method is the same as the real car. It can easily disassemble and allow students to grasp the m--n points and safety protection of the high -voltage system components during the disassembly connection process.

 

3.BMS battery management system with passive equilibrium function, with switch control protection (single disconnection, short -circuit, overvoltage, under pressure, overcurrent, over -temperature), communicate with the vehicle charger CAN, control the vehicle charging motor work through BMS , Estimate SOC (Loading Status) and so on.

 

3.1 Have single voltage data collection, total voltage data collection, current collection, temperature collection.

 

3.2 Has a complete fault -level alarm function, including voltage, current, temperature and other fault alarms.

 

3.3 Has the SOC estimation function.

 

3.4 Has the power charge control function.

 

3.5 Have passive balance management functions.

 

3.6 System switching of passive mechanical contact.

 

4. Power battery pack display (7 -inch touch screen) is installed on the panel. You can observe the parameters of the charging process and master the control logic of the power battery pack charging and discharge process.

 

5. Tr--ning desk with a discharge module to imitate the energy consumption of the vehicle. The discharge current can choose a power battery package with a new energy vehicle mechanical m--ntenance switch, which can be opened to observe; the high -voltage electrical connector uses national standard products, which is reliable.

 

6. The tr--ning table is equipped with a 12V power grounding mechanical switch, which can be disconnected at any time to disconnect the entire system power supply.

 

7. The power battery pack output line is also equipped with a mechanical interpretation emergency switch, which is suitable for an emergency to easily break the m--n power circuit.

The "one machine, two library simulation experimental equipment" is a product based on the teaching requirements of the Ministry of Education's "Revitalization of the 21st Century Vocational Education Course and the Construction Plan for Teaching Materials", and develops and developed in accordance with the teaching and tr--ning requirements of vocational schools.

The one -machine, two -library simulation experimental equipment is suitable for the installation and m--ntenance and m--ntenance of electromechanical equipment in colleges, secondary vocational schools, and undergraduate colleges, electrical operations, electrical operations and control, electrical technology applications, electrical and electrical, refrigeration and --r -conditioning equipment use and use and use of electricity, refrigeration and --r -conditioning equipment. M--ntenance and other professional courses such as "Refrigeration and *r Conditioning Machine and Equipment", "Installation and M--ntenance of Refrigeration and *r Conditioning Device", "Refrigeration and *r Conditioning Automation", "*r Regulatory Technology and Application", "Cold Store Engineering and Operation Management", "Cold Refrigeration Craft" and other courses Tr--ning teaching and intermediate, ** work appr--sal and assessment.

1. Device characteristics

1. Strong comprehensiveness: In the real installation of one machine, two library simulation experiments, one -machine two -library refrigeration system, electrical control system, and fault system are integrated.

2. Strong intuitiveness: The device adopts an open design, the control circuit and the refrigeration pipeline system are directly displayed. The device stickers have the name logo, and students can intuitively understand various devices;

3. Strong tr--ning: there is a fault device for the tablet, which can achieve electrical control fault settings, which is conducive to the skills appr--sal and assessment work;

4. Safety protection is complete: there are voltage leakage protection, current leakage protection, overcurrent protection, overload protection, and ground protection, which can effectively protect personal and equipment.

2. Technical performance:

1. Enter power supply: three -phase and four lines (or three -phase and five lines) ~ 380V ± 10% 50Hz

2. Working environment: Temperature -10 ℃ ～ 40 ℃ relative humidity <85%(25 ℃) altitude <4000m

3. Device capacity: <7kva

4. Refrigerator: R22

5. Refrigeration: 5.3kW

6. Weight: 300kg

7. Standard size: 180cm × 80cm × 180cm

3. Basic configuration and functions of tr--ning devices:

The tr--ning device is m--nly composed of control screens, tr--ning tables, --r -cooled refrigeration units and cold storage.

1. Power control part

AC power supply: Provide a three -phase AC power supply required to control the screen work, which can be controlled by the total power switch.