A travelling dynamic charging system adapted for a road vehicle

Abstract

This invention discloses a dynamic charging system adapted for highway vehicles, relating to the field of dynamic charging technology for new energy vehicles. The system includes a road surface power supply module, a vehicle-triggered power extraction module, and an intelligent control module: a fixed charging slider on the external power supply side, a ribbon cable forming a rolling loop via rollers, and intelligent switches densely and equidistantly arranged along the cable; after the vehicle chassis contact block makes certified contact with the nearest intelligent switch, power is supplied, driving the cable to roll during movement and continuously extracting power from the fixed slider. This invention overturns the traditional vehicle-mounted slider solution, transforming high-speed sliding friction into low-speed rolling friction of the cable, while eliminating power supply gaps through dense switch arrangement, solving a core technical bottleneck in the industry. It has strong engineering feasibility and extremely high commercial value, providing a feasible solution for unlimited range across the entire road network for new energy vehicles.

Description

Technical Field

[0001] This invention relates to the field of dynamic charging technology for new energy vehicles, specifically a dynamic charging system for on-the-go vehicles. Background Technology

[0003] Existing electric vehicle charging relies on fixed charging stations, which causes problems such as range anxiety and long queues for charging at high speeds. Traditional roadside dynamic charging solutions all use a vehicle-mounted moving slider to contact a fixed cable. When driving at high speeds, the slider and cable experience intense sliding friction, which can easily cause problems such as sparking, wear of the conductive layer, and contact failure. At the same time, the spacing between traditional segmented switches is too large, which can easily cause power gaps when the vehicle crosses sections, making it impossible to achieve truly continuous power supply and resulting in extremely poor engineering feasibility.

[0004] Based on the core architecture of the original parent project, this application makes disruptive reverse optimizations for highway vehicles in high-speed scenarios. It moves the charging slider from the vehicle end to the external power supply end for fixed installation. Power is triggered by the contact block on the vehicle side, which drives the cable to roll and draw power. At the same time, it optimizes the layout logic of the smart switch, adopts dense and small-pitch installation, matches the power draw distance of the vehicle, and completely solves the two core problems of high-speed friction and power supply gap, so as to realize electric vehicles charging while driving and unlimited range. Summary of the Invention

[0006] 1. Purpose of the invention The purpose of this invention is to provide a dynamic charging system for highway vehicles. Through an innovative structure of fixed slider on the power supply side, follow-up contact block on the vehicle side, cyclic rolling cable, and densely arranged switches, it completely solves the industry bottlenecks of traditional solutions, such as high-speed friction loss, unstable contact, and power outages across sections. It enables uninterrupted dynamic charging of electric vehicles in highway and urban expressway scenarios, while ensuring system safety and controllability and strong infrastructure compatibility.

[0007] 2. Technical Solution This system consists of three parts: a road power supply module, a vehicle trigger power supply module, and an intelligent control module. Road surface power supply module: The road trench is continuously grooved along the driving direction, and a strip cable is supported by rollers in the trench to form a closed-loop rolling circuit; the charging slider is rigidly fixed to the power supply end of the mains charging cable, serving as a fixed conductive node for power output, and is stably connected to the mains circuit throughout the entire process; the smart switches are densely and equidistantly installed along the strip cable, with the installation spacing being less than the effective span of the vehicle contact bar, ensuring that at least one switch can connect to the vehicle contact block at any time; the trench is equipped with waterproof, drainage, and anti-mud and sand structures, and is compatible with existing road reconstruction.

[0008] Vehicle-triggered power supply module: The car chassis is equipped with a retractable charging rod, and the end contact block moves with the vehicle. After the contact block completes authentication contact with the nearest smart switch, it forms a conductive circuit with the fixed charging slider and the ribbon cable. When the vehicle moves forward, the contact block drives the ribbon cable to roll synchronously along the roller due to friction. Electrical energy is continuously transmitted to the vehicle battery through the fixed charging slider, the ribbon cable, and the contact block.

[0009] Intelligent control module: Densely deployed intelligent switches complete vehicle identification through physical contact, and the mains power supply circuit is only connected after successful authentication; it has leakage protection, fault power failure and overload protection functions, and is adapted to the safety management requirements of public highway infrastructure; the spacing between switches is strictly matched to the vehicle's power supply span to eliminate contact gaps.

[0010] Beneficial effects

[0011] 1. Disruptive structural innovation with near-zero losses: The charging slider is fixed to the external power end, eliminating the high-speed sliding structure in the vehicle and replacing it with low-speed rolling friction of the cable, which completely solves the core pain points such as high-speed arcing, conductive layer wear, and contact failure. 2. Uninterrupted and continuous power supply: The intelligent switches are densely and closely spaced, perfectly matching the span of the vehicle's contact rods, ensuring that there will be no switch gaps throughout the vehicle's operation and achieving truly uninterrupted power supply. 3. The vehicle-side structure is extremely simple and highly adaptable: the vehicle only needs to be equipped with a retractable charging rod and contact block, without the need for a complex slider mechanism, resulting in low modification costs and no impact on the vehicle's original driving performance; 4. Safe and controllable, eliminating the risk of electricity theft: The physical authentication mechanism of contact blocks + smart switches ensures that only authorized vehicles can trigger power supply, thus avoiding the risk of electricity theft and leakage in public scenarios from the ground up; 5. Excellent infrastructure compatibility: Relying on existing road trench modifications, large-scale reconstruction is not required, significantly reducing infrastructure investment for commercial promotion; 6. Full scenario coverage: Adapts to all road conditions, including highways, urban expressways, and national highways, enabling electric vehicles to have unlimited range across the entire road network. Attached Figure Description

[0013] Appendix Figure 1 This is a schematic diagram of the component structure of the vehicle-mounted dynamic charging system of the present invention; The labels in the diagram are as follows: 1—Road trench; 2—Retractable charging rod; 3—Contact block; 4—Smart switch; 5—Ribbon cable; 6—Roller; 7—Charging slider; 8—Mains power charging cable.

[0014] The attached diagram clearly illustrates the core structural logic of this invention: the charging slider is fixed to the external power supply end, the intelligent switches are densely installed on the ribbon cable, and the vehicle contact block is triggered to supply power and drive the cable to roll. Detailed Implementation

[0016] 1. Road surface power supply end installation: A road trench (1) is formed by grooving inside the roadway. Rollers (6) are installed at equal intervals in the trench, and strip cables (5) are laid in a closed loop on the rollers. The charging slider (7) is rigidly fixed to the power output end of the mains charging cable (8) and permanently connected to the mains circuit. The smart switch (4) is densely installed along the strip cable, and the distance between adjacent switches is less than the maximum span of the two contact rods of the vehicle, so as to ensure that at least one switch can be connected at any position of the vehicle.

[0017] 2. Vehicle-side modification implementation: Reserve an installation position on the electric vehicle chassis, fix a retractable charging rod (2), install a contact block (3) at the end of the charging rod, and connect the charging rod control line to the vehicle's on-board energy management system.

[0018] 3. Complete system operation process: ① When a car enters a dynamic charging section, the onboard system instructs the retractable charging pole (2) to extend; ② The contact block (3) and the nearest smart switch (4) complete physical contact and vehicle identity encryption authentication; ③ After authentication, the smart switch connects the mains power circuit and the power is transmitted to the fixed charging slider (7). ④ The contact block, the strip cable, and the fixed charging slider form a conductive circuit. When the vehicle moves forward, the contact block drives the strip cable to roll synchronously along the roller (6). ⑤ Electrical energy is continuously transmitted through the mains cable → fixed charging slider → ribbon cable → contact block → vehicle battery, enabling charging while in motion; ⑥ When the vehicle travels to the next switch section, the contact block automatically switches to connect to the new smart switch, with no power supply gap throughout the entire process; ⑦ If the vehicle leaves the charging area or the authentication fails, the smart switch will automatically cut off the power supply circuit to ensure system safety.

Claims

1. A dynamic charging system for on-the-go vehicles, characterized in that, include: 1) Road surface power supply module: includes a road trench (1) with grooves cut along the driving direction of the road, a closed-loop strip cable (5), a mains charging cable (8) for powering the system, a roller (6) for supporting the rolling of the cable, and a charging slider (7) fixedly installed at the power supply end of the mains charging cable; the strip cable forms a closed loop that can be rolled around through the roller, and the charging slider (7) is a fixed conductive structure that is electrically connected to the mains charging cable; the smart switch (4) is densely installed at equal intervals along the strip cable (5), with the installation interval being less than the maximum span of the two contact power taking structures of the vehicle, ensuring that at any time at least one switch can effectively connect with the vehicle contact structure; 2) Vehicle-triggered power supply module: includes a retractable charging rod (2) installed on the vehicle chassis and a contact block (3) located at the end of the charging rod; the contact block (3) moves with the vehicle and, after completing contact authentication with the smart switch, forms a conductive circuit with the fixed charging slider (7) and the strip cable. When the vehicle is moving, the contact block drives the strip cable to roll synchronously along the roller to achieve continuous power supply during the journey. 3) Intelligent control module: includes intelligent switches (4) densely arranged along the strip cable; the intelligent switches (4) are electrically connected to the control lines of the contact block (3) and the retractable charging rod (2) to complete vehicle identity authentication, power on / off control, and leakage protection, and only provide power to legally authenticated vehicles.

2. The on-the-go dynamic charging system for highway vehicles according to claim 1, characterized in that: The charging slider (7) is rigidly fixed to the external power supply circuit end. Its position does not move with the vehicle. It only maintains a stable electrical connection with the mains charging cable and serves as a fixed conductive node for power output.

3. The on-the-go dynamic charging system for highway vehicles according to claim 1, characterized in that: The highway ditch (1) is a closed waterproof and dustproof ditch, which is suitable for the renovation of existing highway subgrades. The ditch is equipped with drainage and anti-sand deposition structures, and has the ability to protect against outdoor rain, snow and high and low temperature environments, without occupying the space of the driving road surface.

4. The on-the-go dynamic charging system for highway vehicles according to claim 1, characterized in that: The retractable charging rod (2) has an adaptive adjustment function, which can dynamically adjust the contact pressure of the contact block (3) according to the bumps of the car and the change of the chassis ground clearance, so as to ensure the stable contact of the contact block with the strip cable and the fixed charging slider during the journey.

5. The on-the-go dynamic charging system for highway vehicles according to claim 1, characterized in that: The smart switch (4) is equipped with vehicle VIN code authentication and encrypted communication logic. Only after the contact block (3) and the smart switch (4) complete physical contact and identity verification can the power supply circuit between the mains charging cable and the fixed charging slider be connected, thus eliminating the risk of unauthorized power theft and leakage. The smart switches are densely arranged along the strip cable, and the installation spacing strictly matches the span of the vehicle's power supply structure, thus eliminating contact gaps.

6. The on-the-go dynamic charging system for highway vehicles according to claim 1, characterized in that: The rollers (6) are arranged at equal intervals along the road trench to support the strip cable to form a low-resistance rolling circuit. When the vehicle is in motion, the moving contact block drives the strip cable to roll along the roller through friction, and continuously contacts and conducts with the fixed charging slider. This transforms the traditional high-speed sliding mode of the vehicle slider into a low-speed rolling friction mode of the cable, greatly reducing losses and noise, and is suitable for the normal high-speed working conditions of 80–120 km / h vehicles.

7. The on-the-go dynamic charging system for highway vehicles according to claim 1, characterized in that: The strip cable (5) is an outdoor special flexible cable that is resistant to crushing and bending and has a high insulation level. It is densely connected to intelligent switches that are laid out at equal intervals, and is suitable for the continuous power supply layout of long-distance trunk highways.

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