Vehicle energy recovery system, method and device
Through the combination of a pneumatic conversion device and a hydraulic cylinder bottle, the kinetic energy during vehicle braking is converted into gas for storage and release, solving the problems of vehicle energy waste and battery energy storage limitations, and achieving efficient and safe energy recovery.
Patent Information
- Application Number
- CN202111243247.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-10-25
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2041-10-25
AI Technical Summary
Existing vehicles waste serious energy during braking, have limited battery energy storage, low electrical energy storage, high maintenance costs, and restricted application scenarios.
A pneumatic conversion device is used to convert the kinetic energy of the power mechanism during braking into gas, which is stored in a hydraulic cylinder bottle and released to provide kinetic energy when needed. It is controlled in combination with a transmission mechanism and an air pressure sensor.
It improves energy utilization, reduces maintenance costs, achieves safe and reliable energy recovery, and is more impact-resistant.
Smart Images

Figure CN116022101B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the field of vehicle engineering technology, and in particular to a vehicle energy recovery system, method and device. Background Art
[0002] Vehicles like cars, motorcycles, and electric bicycles occasionally brake during driving. For example, on highways, this braking process wastes a significant amount of energy. Motorcycles and electric bicycles, for example, have lagged behind in the application of energy recovery. This energy consumed by braking is not only unrecoverable but also places a heavy burden on the braking system.
[0003] Currently, some motorcycles and electric bicycles utilize brake energy recovery, primarily converting at least a portion of the vehicle's kinetic energy into electrical energy during braking or coasting, storing it in the power battery for subsequent use and increasing the vehicle's range. However, for some models, battery storage space is limited, resulting in low energy storage capacity, low battery degradation, and high maintenance costs, limiting their application scenarios. Summary of the Invention
[0004] The present invention provides a vehicle energy recovery system, method and device to address the shortcomings of existing energy recovery solutions, such as limited space for loading batteries, low energy storage, low efficiency due to battery degradation, high battery maintenance costs, and limited application scenarios. The system improves energy utilization, reduces maintenance costs, is more impact-resistant, and achieves safe and reliable energy recovery.
[0005] The present invention provides a vehicle energy recovery system, which includes: a power mechanism; a pneumatic conversion device, which is configured to be dynamically coupled with the power mechanism when the power mechanism is braking, and converts a target liquid into a target gas; a hydraulic cylinder bottle, which is connected to the pneumatic conversion device and is configured to store the target gas when the power mechanism is braking, and when the target gas is released, the power mechanism is driven to move through the pneumatic conversion device.
[0006] According to the vehicle energy recovery system provided by the present invention, the vehicle energy recovery system further includes: a transmission mechanism, which is dynamically coupled to the pneumatic conversion mechanism, and the transmission mechanism is configured to be dynamically coupled to the power mechanism when the power mechanism brakes.
[0007] According to the vehicle energy recovery system provided by the present invention, the vehicle energy recovery system also includes: a braking device, the transmission mechanism is installed on the braking device, and the pneumatic conversion device is configured to be dynamically coupled with the power mechanism when the braking device brakes the power mechanism.
[0008] According to the vehicle energy recovery system provided by the present invention, the transmission mechanism includes: a friction wheel, which is installed on the braking device and is configured to be in pressure contact with the rotating part of the power mechanism when the power mechanism brakes; a belt, which is dynamically coupled to the friction wheel and dynamically coupled to the power input end of the pneumatic conversion device.
[0009] According to the vehicle energy recovery system provided by the present invention, the braking device includes: a wheel shoe, the friction wheel is mounted on the wheel shoe, and the wheel shoe is configured to drive the friction wheel to press into contact with the wheel of the power mechanism when braking the power mechanism.
[0010] According to the vehicle energy recovery system provided by the present invention, the vehicle energy recovery system also includes: an air pressure sensor, which is arranged in the hydraulic cylinder bottle and is used to monitor the air pressure value in the hydraulic cylinder bottle; a processor, which is electrically connected to the air pressure sensor and is used to control the intake valve of the hydraulic cylinder bottle based on the air pressure value and the pressure threshold.
[0011] The present invention also provides a vehicle energy recovery method, which is applied to the above-mentioned vehicle energy recovery system. The vehicle energy recovery method includes: when a braking control signal is received, responding to the braking control signal, controlling the pneumatic conversion device to be dynamically coupled with the power mechanism; when an energy release signal is received, responding to the energy release signal, controlling the valve of the hydraulic cylinder bottle to open.
[0012] The present invention also provides a vehicle energy recovery device, which is applied to the above-mentioned vehicle energy recovery system. The vehicle energy recovery device includes: a first control module, which is used to control the pneumatic conversion device to be dynamically coupled with the power mechanism in response to a braking control signal when a braking control signal is received; and a second control module, which is used to control the valve of the hydraulic cylinder bottle to open in response to an energy release signal when an energy release signal is received.
[0013] The present invention also provides an electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the steps of any of the above-described vehicle energy recovery methods are implemented.
[0014] The present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, the steps of any of the above-mentioned vehicle energy recovery methods are implemented.
[0015] The vehicle energy recovery system, method and device provided by the present invention utilize the kinetic energy of the power mechanism to convert the target liquid into a target gas through a pneumatic conversion device when the power mechanism brakes, and store the target gas in a hydraulic cylinder bottle. When the target gas is released, kinetic energy is provided to the vehicle. This can improve energy utilization, reduce maintenance costs, be more impact-resistant, and achieve safe and reliable energy recovery. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0017] Figure 1 It is a structural schematic diagram of the vehicle energy recovery system provided by the present invention;
[0018] Figure 2 1 is a flow chart of the vehicle energy recovery method provided by the present invention;
[0019] Figure 3 It is a structural schematic diagram of the vehicle energy recovery device provided by the present invention;
[0020] Figure 4 It is a structural schematic diagram of the electronic device provided by the present invention.
[0021] Reference numerals:
[0022] 10: Power mechanism; 20: Braking device; 30: Transmission mechanism;
[0023] 40: pneumatic conversion device; 50: hydraulic cylinder bottle; 310: first control module;
[0024] 320: Second control module. DETAILED DESCRIPTION
[0025] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.
[0026] The following combination Figures 1 to 4 The vehicle energy recovery system, method and device of the present invention are described.
[0027] The present invention provides a vehicle energy recovery system, which can be applied to various vehicles, such as two-wheeled motorcycles or two-wheeled electric bicycles, and can also be applied to large cars, small cars, special-purpose cars, special vehicles, trams, three-wheeled motorcycles, mopeds, four-wheeled agricultural transport vehicles, three-wheeled agricultural transport vehicles, large steering wheel tractors, small steering wheel tractors, hand tractors, wheeled self-propelled special machinery, full trailers and semi-trailers.
[0028] When a vehicle is driving, during the braking process, the braking device 20 is often used to utilize friction to decelerate the vehicle's power mechanism 10. During the braking process, the vehicle's kinetic energy is converted into heat energy through the friction work of the braking device 20. The heat energy is dissipated into the air, wasting energy, and some vehicles, such as electric vehicles, have the problem of insufficient cruising range.
[0029] like Figure 1 As shown, the vehicle energy recovery system includes: a power mechanism 10 , a pneumatic conversion device 40 and a hydraulic cylinder bottle 50 .
[0030] The power mechanism 10 provides power for the vehicle, driving the vehicle forward or backward. For a fuel vehicle, the power mechanism 10 may include an engine and wheels. The engine can perform work based on the consumption of fuel, driving the wheels to rotate, thereby driving the fuel vehicle forward. For an electric vehicle, the power mechanism 10 may include a motor and a vehicle. The motor can perform work based on the electrical energy supplied by the battery, driving the wheels to rotate, thereby driving the power mechanism 10 forward.
[0031] When the vehicle brakes, the braking device 20 is often used to provide friction to the power mechanism 10, providing the power mechanism 10 with friction in the opposite direction of the power, reducing the forward power, causing the speed of the power mechanism 10 to continuously decrease, and driving the vehicle to slow down.
[0032] The pneumatic conversion device 40 is configured to be power-coupled with the power mechanism 10 when the power mechanism 10 is braked, so as to convert the target liquid into the target gas.
[0033] It can be understood that the target liquid can be stored inside the pneumatic conversion device 40. When the power mechanism 10 brakes, the rotating part of the power mechanism 10 does not stop immediately. During the gradual deceleration of the vehicle, the power mechanism 10 can drive the pneumatic conversion device 40 and transfer excess power to the pneumatic conversion device 40. The pneumatic conversion device 40 can convert kinetic energy into internal energy, so that the target liquid in the pneumatic conversion device 40 can be vaporized and converted into target gas.
[0034] The hydraulic cylinder bottle 50 is connected to the pneumatic conversion device 40 . The hydraulic cylinder bottle 50 is configured to store target gas when the power mechanism 10 is braked, and to drive the power mechanism 10 to move through the pneumatic conversion device 40 when the target gas is released.
[0035] It can be understood that the hydraulic cylinder bottle 50 can be made of stainless steel, the hydraulic cylinder bottle 50 can store high-pressure gas, the air inlet of the hydraulic cylinder bottle 50 can be connected to the air outlet of the pneumatic conversion device 40, and the pneumatic conversion device 40 can transfer the target liquid obtained after gasification to the hydraulic cylinder bottle 50 and store it in the hydraulic cylinder bottle 50.
[0036] The hydraulic cylinder bottle 50 may have a valve, which can control the gas outlet of the hydraulic cylinder bottle 50 . When the valve of the hydraulic cylinder bottle 50 is opened, the hydraulic cylinder bottle 50 can release the target gas to the pneumatic conversion device 40 .
[0037] When the pneumatic conversion device 40 receives the target gas transmitted by the pneumatic conversion device 40, it can be driven by the high-pressure target gas to convert the internal energy into kinetic energy, driving the power mechanism 10 to move, thereby realizing the conversion of internal energy into kinetic energy and releasing the energy stored in the braking stage to drive the vehicle.
[0038] That is to say, during the braking process of the vehicle, the cooperation between the pneumatic conversion device 40 and the hydraulic cylinder bottle 50 can collect and store excess kinetic energy in the form of internal energy. During the driving process of the vehicle, the cooperation between the pneumatic conversion device 40 and the hydraulic cylinder bottle 50 can convert the previously stored internal energy into kinetic energy for release, thereby realizing energy recovery and reuse.
[0039] Compared with using batteries to store energy, using steel cylinders to store energy does not have the problem of power attenuation. Compared with batteries, steel cylinders are more impact-resistant, more adaptable to low temperatures, easier to maintain and replace parts, and safer and more controllable than using batteries to recycle energy.
[0040] The vehicle energy recovery system provided by the present invention utilizes the kinetic energy of the power mechanism 10 to convert the target liquid into a target gas through the pneumatic conversion device 40 when the power mechanism 10 brakes, and stores the target gas in the hydraulic cylinder bottle 50. When the target gas is released, kinetic energy is provided to the vehicle. This can improve energy utilization, reduce maintenance costs, be more impact-resistant, and achieve safe and reliable energy recovery.
[0041] like Figure 1 As shown, in some embodiments, the vehicle energy recovery system further includes: a transmission mechanism 30 .
[0042] The transmission mechanism 30 is dynamically coupled to the pneumatic conversion mechanism. The transmission mechanism 30 is configured to be dynamically coupled to the power mechanism 10 when the power mechanism 10 is braking.
[0043] It can be understood that when the power mechanism 10 brakes, the pneumatic conversion mechanism can be connected to the power mechanism 10 through the transmission mechanism 30. The transmission mechanism 30 can be a belt drive, a chain drive, a gear drive or a connecting rod drive. The specific structure of the transmission mechanism 30 is not limited here. Those skilled in the art can choose the form of the transmission mechanism 30 according to their needs.
[0044] like Figure 1 As shown, in some embodiments, the vehicle energy recovery system further includes: a braking device 20 .
[0045] The transmission mechanism 30 is mounted on the braking device 20 , and the pneumatic conversion device 40 is configured to be power-coupled with the power mechanism 10 when the braking device 20 brakes the power mechanism 10 .
[0046] It can be understood that the braking device 20 is used to brake the vehicle's power mechanism 10. When the user wants to slow down the vehicle, the braking device 20 can be triggered by a mechanical structure or an electronic control device. The braking device 20 can interfere with the movement of the power mechanism 10, thereby slowing down the power mechanism 10.
[0047] The transmission mechanism 30 can be installed on the braking device 20. When the braking device 20 is triggered, the braking device 20 can brake the power structure. At this time, the transmission mechanism 30 and the power mechanism 10 are power-coupled. Then, while the braking mechanism interferes with the movement of the power structure, the transmission mechanism 30 can collect excess kinetic energy of the power mechanism 10 and transfer this part of the kinetic energy to the pneumatic conversion device 40 to drive the pneumatic conversion device 40, so that the pneumatic conversion device 40 can convert the target liquid into the target gas under the drive of kinetic energy.
[0048] The transmission mechanism 30 can make the connection between the pneumatic conversion device 40 and the power mechanism 10 more stable and reliable, and the speed conversion efficiency is higher.
[0049] The braking process of the brake device 20 can also be called braking, which refers to the action of stopping or reducing the speed of a running locomotive, vehicle, other transportation vehicle or machinery. The general principle of braking is to fix a wheel or disc on the high-speed shaft of the machine, install a brake shoe, belt or disc corresponding to it on the machine base, and generate a braking torque under the action of an external force. The brake device is a mechanical brake device 20 that can slow down the vehicle speed, also known as a speed reducer. Simply put: the car brake pedal is under the steering wheel. When you step on the brake pedal, the brake lever is linked to the brake drum and the brake pads on the brake wheel are clamped to the brake wheel, causing the car to slow down or stop running. The car's manual brake is next to the gear lever and is connected to the brake lever. Bicycle brakes are also common, which rely on rod-shaped brakes fixed to the frame or disc-mounted brakes to slow down.
[0050] The braking device 20 on a current vehicle may include drum brakes and disc brakes.
[0051] Drum brakes primarily utilize two semicircular brake pads installed inside the wheel hub. Leverage pushes the brake pads, creating friction between the pads and the inner surface of the wheel drum. Drum brakes utilize the stationary brake pads inside the drum to rub against the rotating drum, generating friction that slows the wheel's rotation. When the brake pedal is depressed, the force applied by the foot causes the piston in the master brake cylinder to push the brake fluid forward, generating pressure in the oil circuit. This pressure is transmitted through the brake fluid to the pistons in the brake cylinders at each wheel. These pistons then push the brake pads outward, creating friction between the pads and the inner surface of the drum, generating sufficient friction to slow the wheel's rotation and achieve the desired braking effect.
[0052] Drum brakes feature a self-clamping function, allowing the use of lower oil pressure or a drum with a significantly smaller diameter than the brake disc. The handbrake mechanism is relatively easy to install. Some models with rear disc brakes have a drum brake handbrake mechanism installed in the center of the brake disc. The parts are relatively simple to process and assemble, resulting in relatively low manufacturing costs.
[0053] Furthermore, the diameter of drum brake drums increases as they heat up, increasing the brake pedal travel and making braking less responsive than expected. Therefore, when operating a vehicle with drum brakes, it is important to avoid continuous braking, which can cause thermal degradation of the brake pads due to high temperatures. The brake system reacts more slowly, making it difficult to control braking force, making frequent braking difficult. The complex structure, with its numerous parts and the need for brake clearance adjustment, makes maintenance difficult. As vehicle performance and speeds continue to increase, disc brakes have become the mainstream braking system to enhance braking stability at high speeds. Because the discs are exposed to air, they provide excellent heat dissipation. This reduces brake degradation during sudden braking at high speeds or repeated braking in a short period of time, resulting in better braking performance and improved safety.
[0054] And because disc brakes react quickly and are capable of high-frequency braking, many models use disc brakes in combination with ABS systems and systems such as VSC and TCS to meet the needs of such systems to work quickly.
[0055] Brake calipers control two brake pads that clamp onto the brake discs on the wheels. When the brake pads grip the discs, friction is generated between them. If a car is overbraking on low-friction surfaces such as wet or icy roads, the wheels can lock up and lose grip, leading to a loss of directional control. To ensure effective control on such dangerous surfaces, the ABS (Anti-lock Braking System) was developed. The increasingly powerful ABS system now allows the TCS (Traction Control System) and VSC (Vehicle Stability Control) (equivalent to ESP) to control vehicle traction and cornering stability.
[0056] Drum brakes have been used in cars for nearly a century, but due to their reliability and powerful braking force, they are still used on many models today (mostly on the rear wheels). Drum brakes use hydraulic pressure to push the brake pads installed in the brake drum outward, causing the brake pads to rub against the inner surface of the brake drum as the wheel rotates, producing the braking effect.
[0057] The inner surface of a drum brake's brake drum is where the braking torque is generated. While achieving the same braking torque, the diameter of a drum brake drum can be significantly smaller than that of a disc brake's rotor. Therefore, large, heavy-duty vehicles must utilize drum brakes within the limited space of their wheel rims to achieve powerful braking force.
[0058] Disc brakes use a stationary brake rotor to clamp against a rotating disc, creating friction and slowing the wheel's rotation. When the brake pedal is depressed, the piston in the master brake cylinder is pushed, building pressure in the brake fluid circuit. This pressure is transmitted through the brake fluid to the pistons in the wheel cylinders located in the brake calipers. The pistons in the wheel cylinders, under pressure, move outward, pushing the brake pads against the discs. This friction creates friction between the pads and discs, reducing wheel rotation and allowing the vehicle to slow down or stop.
[0059] Disc brakes dissipate heat better than drum brakes, making them less susceptible to brake fade and failure from continuous braking. The dimensional changes of the brake disc due to heat do not increase brake pedal travel. Disc brake systems react quickly and can handle high-frequency braking, making them more compatible with ABS systems. Disc brakes lack the automatic braking function of drum brakes, resulting in more even braking force across the left and right wheels. Because the brake discs drain water better, they can reduce the risk of brake failure caused by water or mud. Compared to drum brakes, disc brakes are simpler and easier to maintain.
[0060] Because disc brakes lack the automatic braking function of drum brakes, their braking force is lower than that of drum brakes. The friction area between the disc brake pads and the brake disc is smaller than that of drum brakes, resulting in less braking force. To address these shortcomings, disc brakes require greater pedal force or oil pressure. This necessitates the use of larger diameter brake discs or increased oil pressure in the brake system to increase braking force. Parking brakes are difficult to install, so some models with rear disc brakes incorporate a drum brake parking brake mechanism. Brake pads also experience greater wear, requiring more frequent replacement.
[0061] It is worth noting that the present invention is not limited to the type of the braking device 20. Whether it is a drum brake or a disc brake, the braking device 20 and the transmission device can be installed together to achieve kinetic energy collection during the braking process.
[0062] In some embodiments, the transmission mechanism 30 includes a friction wheel and a belt.
[0063] The friction wheel is mounted on the brake device 20 , and is configured to press and contact with the rotating part of the power mechanism 10 when the power mechanism 10 is braked.
[0064] It can be understood that the friction wheel can be integrated into the braking device 20. When the braking device 20 is triggered, the braking device 20 can interfere with the movement of the power mechanism 10, for example, it can contact the rotating part of the power mechanism 10 and provide resistance to the power mechanism 10 through friction. When the braking device 20 contacts the rotating part of the power mechanism 10, the friction wheel can be driven by the braking device 20 and pressed into contact with the rotating part of the power mechanism 10, thereby transmitting the power of the power mechanism 10.
[0065] The belt is connected to the friction wheel by power coupling, and the belt is connected to the power input end of the pneumatic conversion device 40 by power coupling.
[0066] It can be understood that the belt can be driven by the friction wheel to transmit power to the pneumatic conversion device 40. The power input end of the pneumatic conversion device 40 can be a rotating shaft. The belt serves as a medium to make the rotating shaft and the friction wheel become a synchronous belt transmission structure, so that stable power transmission can be achieved.
[0067] The material of the friction wheel should meet the following requirements: have a large elastic modulus to reduce elastic sliding and power loss; have a large friction coefficient to provide greater friction and improve transmission capacity; have high contact fatigue strength; have good wear resistance to extend the working life; and have low sensitivity to temperature and humidity.
[0068] The types of friction wheel transmission are based on the relative positions of the two friction wheel axes. Friction wheels can be divided into two types: two parallel axes and two intersecting axes.
[0069] For parallel shafts, there are cylindrical friction wheels and grooved friction wheels. Cylindrical friction wheels offer a simple structure, easy manufacturing, and high clamping force. They are available in external and internal types. They are used for low-power transmissions, such as instrument adjustment devices. Grooved friction wheels, with their grooves at an angle of 2β and side contact, can increase tangential friction and transmission power under the same clamping force. However, they are prone to heat and wear, resulting in lower transmission efficiency and requiring higher processing and installation requirements. They are suitable for use in machinery such as winch drives.
[0070] Conical friction wheels and end friction wheels are used when two axes intersect. Conical friction wheels should be designed and installed to ensure the correct relative positioning of the axes and that the cone tips coincide. They are available in two types: perpendicular and non-perpendicular. They are commonly used in high-power friction presses. End friction wheels have a simple structure, are easy to manufacture, and offer high clamping force. However, they are prone to heat and wear, resulting in low efficiency and requiring high processing and installation requirements. They are available in two types: cylindrical friction wheels and conical friction wheels. They are used in friction presses, etc.
[0071] Friction wheel transmissions have a simple structure and are easy to manufacture. They slip when overloaded, protecting components. They facilitate smooth, continuous, and infinitely variable speed changes, making them suitable for a wide range of applications. However, they can slip during operation, resulting in low transmission efficiency and inaccurate transmission ratios. Their large dimensions, heavy loads on shafts and bearings, and poor overload and impact resistance make them suitable only for applications requiring low power transmission.
[0072] In some embodiments, the braking device 20 includes wheel shoes.
[0073] The friction wheel is mounted on the wheel shoe, and the wheel shoe is configured to drive the friction wheel to press into contact with the wheel of the power mechanism 10 when the power mechanism 10 is braked.
[0074] It can be understood that the power mechanism 10 may include wheels. During normal driving of the vehicle, the wheel shoes do not contact the wheels, and the wheels can rotate freely according to the set degrees of freedom. The wheel shoes are used to press and contact the wheels of the power mechanism 10 during braking to generate friction with the wheels. The friction force is opposite to the direction of movement of the wheels, and can provide resistance to the wheels to slow down the wheels.
[0075] The friction wheel is mounted on the wheel shoe. When the vehicle brakes, the wheel shoe can drive the friction wheel to press and contact the wheel, thereby transmitting the power of the wheel to the pneumatic conversion device 40.
[0076] In some embodiments, the vehicle energy recovery system further includes: an air pressure sensor and a processor.
[0077] The air pressure sensor is provided in the hydraulic cylinder bottle 50 and is used to monitor the air pressure value in the hydraulic cylinder bottle 50 .
[0078] It can be understood that the detection probe of the air pressure sensor can be inserted into the hydraulic cylinder bottle 50 to monitor the air pressure value in the hydraulic cylinder bottle 50, that is, to convert the gas pressure signal into an electrical signal, and the strength of the electrical signal can be proportional to the size of the pressure signal.
[0079] The processor is electrically connected to the air pressure sensor, and the processor is used to control the valve of the hydraulic cylinder bottle 50 based on the air pressure value and the pressure threshold.
[0080] It can be understood that the processor can be the vehicle's on-board controller, that is, the vehicle's logic control center. The processor has logical operation capabilities. The processor can receive the air pressure value transmitted by the air pressure sensor and provide feedback on the air pressure value. The valve of the hydraulic cylinder bottle 50 can be electrically connected to the processor. The valve can be a solenoid valve. The processor controls the air intake and outlet of the hydraulic cylinder bottle 50 by controlling the valve.
[0081] The processor can pre-store a pressure threshold, which can be the maximum air pressure that the hydraulic cylinder bottle 50 can withstand. The processor can compare the air pressure value with the pressure threshold, and when the air pressure value is greater than or equal to the pressure threshold, the valve is closed. At this time, even if the vehicle continues to brake, the hydraulic cylinder bottle 50 will no longer collect new target gas. This can avoid excessive air pressure in the hydraulic cylinder bottle 50, causing safety accidents, and can protect the hydraulic cylinder bottle 50.
[0082] In some embodiments, the vehicle energy recovery system may also have a display screen, which is electrically connected to the processor. The processor can collect the air pressure value of the hydraulic cylinder bottle 50 in real time and send the air pressure value to the display screen. The display screen can display the air pressure value. Of course, the air pressure value can also be compared with the air pressure threshold and the air pressure value can be displayed on the display screen as a percentage. The user can judge the proportion of stored energy in the hydraulic cylinder bottle 50 based on the percentage, which can make the energy recovery process more intuitive.
[0083] like Figure 2 As shown, the present invention further provides a vehicle energy recovery method, which is applied to the above-mentioned vehicle energy recovery system. The vehicle energy recovery method may include the following steps 110 and 120.
[0084] In step 110 , upon receiving the braking control signal, the pneumatic conversion device 40 is controlled to be power-coupled with the power mechanism 10 in response to the braking control signal.
[0085] It can be understood that the vehicle energy recovery method can be executed by a processor, and the valves of the braking device 20, the pneumatic conversion device 40 and the hydraulic cylinder bottle 50 are all electrically connected to the processor. The processor can receive a braking control signal. For example, the brake pedal can be electrically connected to the processor. When the user steps on the brake pedal, the processor receives the braking control signal. At this time, the processor can control the pneumatic conversion device 40 and the power mechanism 10 to be power-coupled. The pneumatic conversion device 40 can store target liquid inside. When the power mechanism 10 brakes, the rotating part of the power mechanism 10 does not stop immediately. In the process of gradual deceleration of the vehicle, the power mechanism 10 can drive the pneumatic conversion device 40 and transfer excess power to the pneumatic conversion device 40. The pneumatic conversion device 40 can convert kinetic energy into internal energy, and can vaporize the target liquid in the pneumatic conversion device 40 and convert it into target gas.
[0086] Step 120 : When the energy release signal is received, in response to the energy release signal, the outlet valve of the hydraulic cylinder bottle 50 is controlled to open.
[0087] It can be understood that the vehicle can also have an energy release control, which can be electrically connected to the processor. When the user operates the energy release control, an energy release signal can be given to the processor. The hydraulic cylinder bottle 50 is connected to the pneumatic conversion device 40. The hydraulic cylinder bottle 50 is configured to store target gas when the power mechanism 10 brakes. The hydraulic cylinder bottle can have a valve. When the processor receives the energy release signal, the hydraulic cylinder bottle 50 can control the valve of the hydraulic cylinder bottle 50 to open. At this time, the hydraulic cylinder bottle 50 can release the target gas and drive the power mechanism 10 to move through the pneumatic conversion device 40.
[0088] The valve can control the gas outlet of the hydraulic cylinder bottle 50 . When the valve of the hydraulic cylinder bottle 50 is opened, the hydraulic cylinder bottle 50 can release the target gas to the pneumatic conversion device 40 .
[0089] When the pneumatic conversion device 40 receives the target gas transmitted by the pneumatic conversion device 40, it can be driven by the high-pressure target gas to convert the internal energy into kinetic energy, driving the power mechanism 10 to move, thereby realizing the conversion of internal energy into kinetic energy and releasing the energy stored in the braking stage to drive the vehicle.
[0090] That is to say, during the braking process of the vehicle, the cooperation between the pneumatic conversion device 40 and the hydraulic cylinder bottle 50 can collect and store excess kinetic energy in the form of internal energy. During the driving process of the vehicle, the cooperation between the pneumatic conversion device 40 and the hydraulic cylinder bottle 50 can convert the previously stored internal energy into kinetic energy for release, thereby realizing energy recovery and reuse.
[0091] The vehicle energy recovery method provided by the present invention utilizes the kinetic energy of the power mechanism 10 to convert the target liquid into a target gas through the pneumatic conversion device 40 when the power mechanism 10 brakes, and stores the target gas in the hydraulic cylinder bottle 50. When the target gas is released, kinetic energy is provided to the vehicle. This can improve energy utilization, reduce maintenance costs, be more impact-resistant, and achieve safe and reliable energy recovery. Moreover, through electronic control, the control accuracy and control efficiency can be improved, further improving the stability of energy recovery.
[0092] The vehicle energy recovery device provided by the present invention is described below. The vehicle energy recovery device described below and the vehicle energy recovery method described above can be referenced to each other.
[0093] like Figure 3 As shown, the present invention further provides a vehicle energy recovery device, which is applied to the above-mentioned vehicle energy recovery system. The vehicle energy recovery system includes: a first control module 310 and a second control module 320.
[0094] The first control module 310 is configured to control the pneumatic conversion device 40 to be power-coupled with the power mechanism 10 in response to the braking control signal when the braking control signal is received;
[0095] The second control module 320 is configured to control the opening of the gas outlet valve of the hydraulic cylinder bottle 50 in response to the energy release signal when the energy release signal is received.
[0096] The vehicle energy recovery device provided by the present invention utilizes the kinetic energy of the power mechanism 10 to convert the target liquid into a target gas through the pneumatic conversion device 40 when the power mechanism 10 brakes, and stores the target gas in the hydraulic cylinder bottle 50. When the target gas is released, kinetic energy is provided to the vehicle. This can improve energy utilization, reduce maintenance costs, be more impact-resistant, and achieve safe and reliable energy recovery. Moreover, through electronic control, the control accuracy and control efficiency can be improved, further improving the stability of energy recovery.
[0097] Figure 4 An example of a physical structure diagram of an electronic device is shown below. Figure 4 As shown, the electronic device may include: a processor 410, a communication interface 420, a memory 430, and a communication bus 440, wherein the processor 410, the communication interface 420, and the memory 430 communicate with each other via the communication bus 440. The processor 410 may call logic instructions in the memory 430 to execute a vehicle energy recovery method, which includes: upon receiving a braking control signal, controlling the pneumatic conversion device to be dynamically coupled to the power mechanism in response to the braking control signal; upon receiving an energy release signal, controlling the valve of the hydraulic cylinder bottle to open in response to the energy release signal.
[0098] The vehicle energy recovery method provided by the present invention utilizes the kinetic energy of the power mechanism to convert the target liquid into a target gas through a pneumatic conversion device when the power mechanism brakes, and stores the target gas in a hydraulic cylinder bottle. When the target gas is released, kinetic energy is provided to the vehicle. This can improve energy utilization, reduce maintenance costs, be more impact-resistant, and achieve safe and reliable energy recovery. Moreover, through electronic control, the control accuracy and control efficiency can be improved, further improving the stability of energy recovery.
[0099] In addition, the logic instructions in the above-mentioned memory 430 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when sold or used as an independent product. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.
[0100] On the other hand, the present invention also provides a computer program product, which includes a computer program. The computer program can be stored on a non-transitory computer-readable storage medium. When the computer program is executed by a processor, the computer can execute the vehicle energy recovery method provided by the above methods. The method includes: when a braking control signal is received, in response to the braking control signal, controlling the pneumatic conversion device to be dynamically coupled with the power mechanism; when an energy release signal is received, in response to the energy release signal, controlling the valve of the hydraulic cylinder bottle to open.
[0101] The vehicle energy recovery method provided by the present invention utilizes the kinetic energy of the power mechanism to convert the target liquid into a target gas through a pneumatic conversion device when the power mechanism brakes, and stores the target gas in a hydraulic cylinder bottle. When the target gas is released, kinetic energy is provided to the vehicle. This can improve energy utilization, reduce maintenance costs, be more impact-resistant, and achieve safe and reliable energy recovery. Moreover, through electronic control, the control accuracy and control efficiency can be improved, further improving the stability of energy recovery.
[0102] On the other hand, the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon. When the computer program is executed by a processor, it is implemented to execute the vehicle energy recovery method provided by the above-mentioned methods. The method includes: when a braking control signal is received, in response to the braking control signal, controlling the pneumatic conversion device to be dynamically coupled with the power mechanism; when an energy release signal is received, in response to the energy release signal, controlling the valve of the hydraulic cylinder bottle to open.
[0103] The vehicle energy recovery method provided by the present invention utilizes the kinetic energy of the power mechanism to convert the target liquid into a target gas through a pneumatic conversion device when the power mechanism brakes, and stores the target gas in a hydraulic cylinder bottle. When the target gas is released, kinetic energy is provided to the vehicle. This can improve energy utilization, reduce maintenance costs, be more impact-resistant, and achieve safe and reliable energy recovery. Moreover, through electronic control, the control accuracy and control efficiency can be improved, further improving the stability of energy recovery.
[0104] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.
[0105] Through the description of the above embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus a necessary general hardware platform, or of course, by hardware. Based on this understanding, the essence of the above technical solution or the part that contributes to the existing technology can be embodied in the form of a software product. The computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a magnetic disk, an optical disk, etc., and includes a number of instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or certain parts of the embodiments.
[0106] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.
Claims
1. A vehicle energy recovery system, characterized in that: include: Power mechanism; a pneumatic conversion device, the pneumatic conversion device being configured to be dynamically coupled to the power mechanism when the power mechanism is braked, to convert the target liquid into a target gas; a hydraulic cylinder bottle connected to the pneumatic conversion device, the hydraulic cylinder bottle being configured to store the target gas when the power mechanism is braked, and to drive the power mechanism to move through the pneumatic conversion device when the target gas is released; The hydraulic cylinder bottle is made of stainless steel and can store high-pressure gas; The air inlet of the hydraulic cylinder bottle is in communication with the air outlet of the pneumatic conversion device, so that the pneumatic conversion device can transmit the target gas to the hydraulic cylinder bottle and store it; The hydraulic cylinder bottle has a valve, which can control the gas outlet of the hydraulic cylinder bottle. When the valve is opened, the hydraulic cylinder bottle releases the target gas to the pneumatic conversion device; The pneumatic conversion device is driven by the high-pressure target gas to convert internal energy into kinetic energy, thereby driving the power mechanism to move.
2. The vehicle energy recovery system according to claim 1, characterized in that: Also includes: A transmission mechanism is dynamically coupled to the pneumatic conversion device, and the transmission mechanism is configured to be dynamically coupled to the power mechanism when the power mechanism is braking.
3. The vehicle energy recovery system according to claim 2, characterized in that: Also includes: The braking device is provided with the transmission mechanism installed on the braking device, and the pneumatic conversion device is configured to be dynamically coupled with the power mechanism when the braking device brakes the power mechanism.
4. The vehicle energy recovery system according to claim 3, characterized in that: The transmission mechanism comprises: a friction wheel, the friction wheel being mounted on the braking device and being configured to press and contact with a rotating portion of the power mechanism when the power mechanism brakes; A belt is connected to the friction wheel by power coupling, and the belt is connected to the power input end of the pneumatic conversion device by power coupling.
5. The vehicle energy recovery system according to claim 4, characterized in that: The braking device comprises: A wheel shoe is provided, wherein the friction wheel is mounted on the wheel shoe, and the wheel shoe is configured to drive the friction wheel to press into contact with the wheel of the power mechanism when the power mechanism is braked.
6. The vehicle energy recovery system according to any one of claims 1 to 5, characterized in that: Also includes: An air pressure sensor is provided in the hydraulic cylinder bottle and is used to monitor the air pressure value in the hydraulic cylinder bottle; A processor is electrically connected to the air pressure sensor, and the processor is used to control the air inlet valve of the hydraulic cylinder bottle based on the air pressure value and the pressure threshold.
7. A vehicle energy recovery method, characterized in that: The vehicle energy recovery system according to any one of claims 1 to 6, characterized by comprising: When a brake control signal is received, the pneumatic conversion device is controlled to be dynamically coupled to the power mechanism in response to the brake control signal; In the case of receiving an energy release signal, the valve of the hydraulic cylinder bottle is controlled to open in response to the energy release signal.
8. A vehicle energy recovery device, characterized in that: The vehicle energy recovery system according to any one of claims 1 to 6, characterized by comprising: a first control module, configured to control the pneumatic conversion device to be dynamically coupled to the power mechanism in response to a braking control signal upon receiving the braking control signal; The second control module is configured to control the valve of the hydraulic cylinder bottle to open in response to the energy release signal when the energy release signal is received.
9. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the program, the steps of the vehicle energy recovery method as claimed in claim 7 are implemented.
10. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the vehicle energy recovery method as claimed in claim 7 are implemented.
Citation Information
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Brake energy storage device for electric automobile
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Engine e.g. internal combustion engine, driving and braking method for motor vehicle, involves storing portion of kinetic energy as potential energy during braking process and releasing stored energy to drive vehicle when vehicle stops
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