Portable multi-functional vehicle charging and discharging system

The portable multi-functional vehicle charging and discharging system addresses the limitations of fixed charging stations by providing a flexible system with a vehicle port, control module, and power converter for adaptive charging and discharging, enhancing energy utilization and grid stability.

JP2025176657AActive Publication Date: 2025-12-04SHIP & OCEAN INDUSTRIES R&D CENTER
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Patent Information

Application Number
JP2024106961
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-05-21
Filing Date
2024-07-02
Publication Date
2025-12-04
Estimated Expiration
2044-07-02

AI Technical Summary

Technical Problem

Current electric vehicle charging and discharging systems are limited to specific locations, failing to adapt to different charging or discharging requirements and maximizing energy utilization.

Method used

A portable multi-functional vehicle charging and discharging system comprising a vehicle port, control module, power converter module, vehicle charging/discharging monitoring module, AC port charging/discharging monitoring module, internal power supply module, AC port, and DC port, with a mode switching controller for flexible operation.

Benefits of technology

Enables adaptive charging and discharging based on vehicle and external power needs, enhancing energy utilization and supporting peak shaving on the power grid through a portable system.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide a portable multi-functional vehicle charging and discharging system.SOLUTION: A portable multi-functional vehicle charging and discharging system includes a vehicle port 100, a control module 200, a power converter module 300, a vehicle charge / discharge monitoring module 400, an AC port charge / discharge monitoring module 500, an internal power supply module 600, an AC port 700, and a DC port 800. This allows the present invention to integrate the equipment required for charging or discharging a vehicle into a portable system, enabling it to charge the vehicle according to different needs in various environments, or to supply the electric energy stored inside the vehicle for use by other equipment.SELECTED DRAWING: Figure 1
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Description

[Technical Field]

[0001] The present invention relates to the technical field of a charging and discharging system for a portable multi-functional vehicle, and more particularly to a charging and discharging system for a portable multi-functional vehicle that can adapt to different charging or discharging requirements of electric vehicles according to different situations. [Background technology]

[0002] As electric and hybrid vehicles become increasingly popular, energy utilization is no longer limited to charging the vehicle for personal use. Specifically, since electric vehicles themselves are equipped with energy storage devices such as batteries, the associated energy storage facilities must be able to replenish electrical energy during off-peak hours of power demand through the microgrid and supply electrical energy to the power grid during peak hours, as needed.

[0003] Such applications not only have a peak shaving effect on the robustness of the power grid, but also create new business models, such as making money by utilizing the difference in electricity prices between peak and off-peak times. However, most current electric vehicle equipment exists in the form of fixed wired or wireless charging equipment such as charging piles or charging stations, which basically limits its application to specific locations.

[0004] Therefore, in the current environment where electric vehicles are becoming more advanced and more numerous, there is an urgent need for an interface that can change the charging or discharging conditions according to the requirements of different vehicles to achieve maximum energy utilization. Summary of the Invention [Problem to be solved by the invention]

[0005] To solve the problems mentioned in the background art, the present invention provides a portable multi-function vehicle charging / discharging system, including a vehicle port, a control module, a power converter module, a vehicle charging / discharging monitoring module, an AC port charging / discharging monitoring module, an internal power supply module, an AC port, and a DC port. [Means for solving the problem]

[0006] Specifically, the vehicle port is detachably connected to a vehicle, the control module is connected to the vehicle port, the power converter module is connected to the control module, and the vehicle charge / discharge monitoring module is connected to the vehicle port, the control module, and the power converter module, respectively.

[0007] In addition, the AC port charge / discharge monitoring module is connected to the control module and the power converter module, respectively, and the internal power supply module is connected to the control module, the vehicle charge / discharge monitoring module, and the AC port charge / discharge monitoring module, respectively.

[0008] The AC port is connected to the control module, the AC port charge / discharge monitoring module and the internal power supply module respectively, and finally the DC port is connected to the control module and the power converter module respectively.

[0009] The above summary of the present invention is intended to provide a basic description of some aspects and technical features of the present invention, and is not a detailed description of the present invention. The purpose of the summary of the present invention is to disclose only some concepts of the present invention in a concise manner, without specifically identifying key or important elements of the present invention, and is not intended to be used to define the scope of the present invention. [Brief explanation of the drawings]

[0010] [Figure 1] 1 is a system configuration diagram showing a charging / discharging system for a portable multifunctional vehicle according to an embodiment of the present invention; [Figure 2] 1 is a system configuration diagram showing a power converter module in a charging and discharging system for a portable multifunctional vehicle according to an embodiment of the present invention; [Figure 3] 1 is a system configuration diagram showing an internal power supply module in a charging and discharging system for a portable multifunctional vehicle according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0011] In order to understand the technical features and practical effects of the present invention and to be able to implement it based on the contents of the specification, the preferred embodiments shown in the drawings will be further described in detail as follows.

[0012] In this embodiment, to facilitate the description of the connection relationships between all components, equipment, or devices, solid lines generally represent electrical connections, and dashed lines represent communicative connections. Furthermore, arrows indicate the possible power supply or signal transmission directions for each connection relationship, indicating possible solutions for this embodiment, but the present invention is not limited to these. Any possible changes in connection methods or transmission directions according to needs are within the scope of the present invention.

[0013] First, referring to Fig. 1, Fig. 1 is a system configuration diagram showing a charging / discharging system for a portable multifunctional vehicle according to one embodiment of the present invention. As shown in Fig. 1, this embodiment discloses an embodiment that can realize a charging / discharging system 10 for a portable multifunctional vehicle.

[0014] In this embodiment, the portable multifunctional vehicle charging / discharging system 10 includes a vehicle port 100, a control module 200, a power converter module 300, a vehicle charging / discharging monitoring module 400, an AC port charging / discharging monitoring module 500, an internal power supply module 600, an AC port 700, and a DC port 800. In addition, the control module 200 in this embodiment is further connected to a mode switching controller 900 so that the portable multifunctional vehicle charging / discharging system 10 can further control the charging or discharging mode as needed.

[0015] Specifically, the control module 200 of this embodiment may include a central processing unit (CPU), a microcontroller (MCU), a microprocessor (MPU), or a combination thereof. Basically, the control module 200 may be designed with or combined with various controllers that can simultaneously perform communication, calculation, and control, but the present invention is not limited thereto.

[0016] In this regard, the mode switching controller 900 may simply be a mechanical, capacitive, voltage, or resistive hardware switch containing firmware. Of course, the mode switching controller 900 may also be a personal computer, laptop, tablet, or other portable device capable of running a specific app. The connection between the mode switching controller 900 and the control module 200 is not limited to a wired connection; it is reasonably anticipated that any wired or wireless communication method capable of issuing commands to the control module 200 falls within the scope of the present invention.

[0017] In this embodiment, the vehicle port 100 is removably connected to a vehicle V. In this embodiment, the vehicle V may be a water vehicle or a land vehicle. More specifically, the land vehicle may be a vehicle, and it is reasonably expected that the land vehicle includes any electric vehicle (EV), such as a hybrid or pure electric vehicle. The water vehicle may be reasonably expected to include any watercraft with a need for power supply, including, but not limited to, a military vessel, a yacht, or a tourist or leisure vessel such as a cruise ship.

[0018] In this embodiment, the vehicle V is a ship, but may also be a smart ship. The control module 200 of the smart ship further includes at least one graphics processor (GPU) for implementing AI algorithms.

[0019] In this embodiment, the control module 200 is connected to the vehicle port 100. The vehicle port 100 of this embodiment accommodates the fact that the applied vehicle V is a smart vessel, so when the vehicle port 100 of this embodiment is connected to the smart vessel, it also receives vessel movement information measured by sensors on the smart vessel, and the control module 200 compensates for the risk of the vehicle port 100 losing physical contact caused by the rocking of the vehicle V on the water in an active or passive manner according to the position to which the vehicle port 100 is moved via any conceivable movement method, such as a robotic arm.

[0020] The power converter module 300 of this embodiment is also connected to the control module 200. Referring to Figures 1 and 2 simultaneously, Figure 2 is a system configuration diagram showing a power converter module in a charging and discharging system for a portable multifunctional vehicle according to one embodiment of the present invention.

[0021] As shown in FIG. 2, the power converter module 300 of this embodiment mainly includes a first relay 310, an inverter 320, a second relay 330, a third relay 340, a first rectifier 350, a fourth relay 360, a fifth relay 370, and a DC power converter 380.

[0022] In this embodiment, the first relay 310, the second relay 330, the third relay 340, the fourth relay 360, and the fifth relay 370 in FIG. 2 are controlled to flow current or not by issuing a command from the control module 200, so the communication connection relationship between the first relay 310, the second relay 330, the third relay 340, the fourth relay 360, and the fifth relay 370 and the control module 200 can be reasonably predicted.

[0023] Furthermore, the first relay 310, the second relay 330, the third relay 340, the fourth relay 360, and the fifth relay 370 in this embodiment may be conventional mechanical relays, and may also be realized using elements such as metal oxide semiconductor field effect transistors (MOSFETs) or insulated gate bipolar transistors (IGBTs), but the present invention is not limited to these.

[0024] 1 and 2, in this embodiment, a first relay 310 is connected to the control module 200 and the vehicle charge / discharge monitoring module 400, and an inverter 320 is connected to the first relay 310. A second relay 330 is connected to the control module 200, the inverter 320, and the AC port charge / discharge monitoring module 500, respectively. A third relay 340 is connected to the control module 200 and the vehicle charge / discharge monitoring module 400, and a first rectifier 350 is connected to the third relay 340.

[0025] Next, in the case of the fourth relay 360, the fourth relay 360 is connected to the control module 200, the first rectifier 350, and the AC port charge / discharge monitoring module 500, respectively. The fifth relay 370 is connected to the control module 200 and the vehicle charge / discharge monitoring module 400, respectively. Finally, the DC power converter 380 is connected to the fifth relay 370 and the DC port 800, respectively.

[0026] In this embodiment, the vehicle charge / discharge monitoring module 400 is connected to the vehicle port 100, the control module 200, and the power converter module 300. In addition, the AC port charge / discharge monitoring module 500 is connected to the control module 200 and the power converter module 300, and the internal power supply module 600 is connected to the control module 200, the vehicle charge / discharge monitoring module 400, and the AC port charge / discharge monitoring module 500, respectively.

[0027] The AC port 700 in this embodiment is connected to the control module 200, the AC port charge / discharge monitoring module 500, and the internal power supply module 600. Finally, the DC port 800 is connected to the control module 200 and the power converter module 300, respectively.

[0028] From the above description, it can be seen that in the portable multifunctional vehicle charging / discharging system 10 of this embodiment, the power converter module 300 mainly plays a role in converting AC / DC, DC / AC, or DC / DC according to various power supply needs. The specific parameters to be converted, such as voltage, current, or AC frequency, are all adjusted by the control module 200.

[0029] 1, the main function of the vehicle charge / discharge monitoring module 400 is to monitor the voltage and current supplied to or from the vehicle V. Therefore, the vehicle charge / discharge monitoring module 400 itself is a sensor with the function of sensing voltage and current.

[0030] Under this premise, as shown in Figures 1 and 2, when it is desired to supply current from the vehicle charge / discharge monitoring module 400 (basically from the vehicle V) to the AC port charge / discharge monitoring module 500, and further enable the AC port 700 to supply AC power to external equipment, the first relay 310, the inverter 320, and the second relay 330 are connected to start converting DC power into AC power.

[0031] In this embodiment, the inverter 320 is a grid-tie inverter (GTI), which can be combined with various small or micro grids to achieve better conversion efficiency and application, and vice versa.

[0032] Similarly, when the AC port charge / discharge monitoring module 500 receives AC power supplied from the AC port 700 and wishes to charge the vehicle V, the AC power supplied from the AC port 700 is supplied to the fourth relay 360 in the power converter module 300 under the monitoring of the AC port charge / discharge monitoring module 500 (a group of sensors or circuits used to monitor input voltage and current). Next, after the control module 200 confirms the continuity of the fourth relay 360, the AC power is converted to DC power by the first rectifier 350 and then turned on the third relay 340, so that the AC power is supplied to charge the vehicle V under the monitoring of the vehicle charge / discharge monitoring module 400.

[0033] Finally, if the external equipment or power grid to be supplied is a facility that operates using DC power, the current of the vehicle V is monitored by the vehicle charge / discharge monitoring module 400, and the control module 200 turns on the fifth relay 370, and the DC power converter 380 converts the current into DC power of the voltage or current required by the external equipment or power grid, and supplies it through the DC port 800.

[0034] 1 and 3, Fig. 3 is a system configuration diagram showing an internal power supply module in a portable multifunctional vehicle charging / discharging system according to one embodiment of the present invention. In this embodiment, the primary function of the internal power supply module 600 is to supply power for the operation of the load L (e.g., the control module 200, the vehicle charging / discharging monitoring module 400, or the AC port charging / discharging monitoring module 500) in the portable multifunctional vehicle charging / discharging system 10.

[0035] 3, the internal power supply module 600 of this embodiment includes a first relay module 610, a second rectifier 620, an energy storage module 630, and a second relay module 640. The first relay module 610 includes a first coil 611, a normally open contact 612, and a first normally closed contact 613, and the second relay module 640 includes a second coil 641 and a second normally closed contact 642.

[0036] The first relay module 610 of this embodiment is connected to the control module 200 and the load L, respectively. The load L may be any component or equipment required for the operation of the portable multifunction vehicle charging / discharging system 10. According to this embodiment, the load L may be the vehicle charging / discharging monitoring module 400 and the AC port charging / discharging monitoring module 500. The vehicle charging / discharging monitoring module 400 and the AC port charging / discharging monitoring module 500 are connected to a normally open contact 612 and a first normally closed contact 613 in the first relay module 610, but the present invention is not limited thereto.

[0037] In this embodiment, the first coil 611 needs to communicate with the second coil 641 in the second relay module 640, so the first coil 611 and the second coil 641 are each connected to the control module 200 to ensure the accuracy of power conversion between the first relay module 610 and the second relay module 640.

[0038] In this embodiment, the normally open contact 612 and the first normally closed contact 613 can both supply power to the vehicle charge / discharge monitoring module 400 and the AC port charge / discharge monitoring module 500. The difference is that the normally open contact 612 is connected to the second rectifier 620, so it mainly converts external AC power into DC power before supplying it to the vehicle charge / discharge monitoring module 400 and the AC port charge / discharge monitoring module 500.

[0039] In contrast, the first normally closed contact 613 is connected to the energy storage module 630, and therefore, under the premise that the energy storage module 630 in this embodiment can be a DC power source such as a lithium-iron battery pack, power can be directly supplied to the vehicle charge / discharge monitoring module 400 and the AC port charge / discharge monitoring module 500 through the first normally closed contact 613.

[0040] The main purpose of the second relay module 640 in this embodiment is to supply AC power from the outside (AC port 700) to the second rectifier 620 via the second normally closed contact 642 and convert it into DC power.

[0041] Of course, the first relay module 610 needs to know the power conversion needs from the AC port 700 for the control module 200 to judge, so the second normally closed contact 642 also provides the relevant AC power information to the first coil 611, and then the control module 200 judges and sends the relevant conditions to the second coil 641 in the second relay module 640 to control the power input.

[0042] In this embodiment, the vehicle port 100, the AC port 700, or the DC port 800 each have a physical connection detection function. In other words, when the control module 200, which is in a communication connection relationship with the vehicle port 100, the AC port 700, or the DC port 800, detects an abnormal incomplete connection or a sudden disconnection, it can immediately stop all power supply or conversion functions in the portable multi-function vehicle charging / discharging system 10 and issue an alarm to the user or nearby devices with an alarm function via a wired or wireless method, but the present invention is not limited thereto.

[0043] The above-described embodiments are preferred embodiments of the present invention, and the scope of the present invention is not limited to such examples. Simple changes and adaptations based on the claims and the contents of the specification of the present invention fall within the scope of the present invention. [Explanation of symbols]

[0044] 10 Portable multi-functional vehicle charging and discharging system 100 Vehicle Port 200 Control Module 300 Power Converter Module 310 1st Relay 320 Inverter 330 2nd Relay 340 Third Relay 350 1st rectifier 360 4th Relay 370 5th Relay 380 DC Power Converter 400 Vehicle charging and discharging monitoring module 500 AC port charge / discharge monitoring module 600 Internal Power Supply Module 610 First Relay Module 611 First coil 612 Normally open contact 613 1st normally closed contact 620 2nd rectifier 630 Energy Storage Module 640 Second Relay Module 641 Second coil 642 2nd normally closed contact 700 AC ports 800 DC ports 900 Mode Switching Controller V Vehicle L load

Claims

1. a vehicle port removably connected to the vehicle; a control module connected to the vehicle port; a power converter module connected to the control module; a vehicle charge / discharge monitoring module connected to the vehicle port, the control module, and the power converter module, respectively; an AC port charge / discharge monitoring module connected to the control module and the power converter module, respectively; an internal power supply module connected to the control module, the vehicle charge / discharge monitoring module, and the AC port charge / discharge monitoring module; AC ports connected to the control module, the AC port charge / discharge monitoring module, and the internal power supply module, respectively; DC ports connected to the control module and the power converter module, respectively; A portable multi-function vehicle charging and discharging system including:

2. The portable multi-function vehicle charging and discharging system of claim 1 , wherein the control module is further connected to a mode switching controller.

3. 2. The portable multi-function vehicle charging and discharging system of claim 1, wherein the control module comprises a central processing unit (CPU), a microcontroller (MCU), a microprocessor (MPU), and combinations thereof.

4. 2. The portable multi-function vehicle charging and discharging system of claim 1, wherein the vehicle is a land vehicle.

5. 5. The portable multi-function vehicle charging and discharging system according to claim 4, wherein the land vehicle is a car.

6. 2. The portable multi-function vehicle charging and discharging system according to claim 1, wherein the vehicle is a water vehicle.

7. 7. The portable multi-function vehicle charging and discharging system according to claim 6, wherein the water vehicle is a ship.

8. The power converter module includes: a first relay connected to the control module and the vehicle charge / discharge monitoring module; an inverter connected to the first relay; a second relay connected to the control module, the inverter, and the AC port charge / discharge monitoring module; a third relay connected to the control module and the vehicle charge / discharge monitoring module; a first rectifier connected to the third relay; a fourth relay connected to the control module, the first rectifier, and the AC port charge / discharge monitoring module; a fifth relay connected to the control module and the vehicle charge / discharge monitoring module; a DC power converter connected to the fifth relay and the DC port, respectively; 2. The portable multifunction vehicle charging and discharging system of claim 1, comprising:

9. 9. The portable multifunctional vehicle charging and discharging system according to claim 8, wherein the inverter is a grid-tie inverter (GTI).

10. The internal power supply module includes: the control module, the vehicle charge / discharge monitoring module, and the AC port charge / discharge monitoring module are respectively connected; a first coil connected to the control module; a normally open contact connected to the vehicle charge / discharge monitoring module and the AC port charge / discharge monitoring module; a first normally closed contact connected to the vehicle charge / discharge monitoring module and the AC port charge / discharge monitoring module; a first relay module including: a second rectifier connected to the normally open contact; an energy storage module connected to the first normally closed contact; a first relay module connected to the control module, the first relay module, the second rectifier, and the AC port; a second coil connected to the control module; a second normally closed contact connected to the first coil, the second rectifier, and the AC port, respectively; a second relay module including:

2. The portable multifunction vehicle charging and discharging system of claim 1, comprising:

Citation Information

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