Vehicle, braking energy recovery method and device thereof and computer readable storage medium

Abstract

The invention discloses a vehicle, a braking energy recovery method and device thereof and a computer readable storage medium, the vehicle comprises a braking air storage tank, an air compressor and a gearbox, and the gearbox is connected with the air compressor through an electronic clutch; the vehicle braking energy recovery method comprises the steps that a vehicle braking signal, the air pressure of a braking air storage tank and the rotating speed of a gearbox power take-off opening are obtained; the electronic clutch is controlled according to a vehicle braking signal, the air pressure of a braking air storage tank and the rotating speed of a gearbox power take-off port; and when the electronic clutch is controlled to be closed, the air compressor is controlled to enter a brake energy recovery mode so as to recover the brake energy of the vehicle. Therefore, the energy utilization efficiency can be remarkably improved, the service life of a brake device is prolonged, the braking performance is optimized, and the vehicle operation cost is effectively reduced.

Description

Technical Field

[0001] The present invention relates to the field of vehicle technology, and in particular to a vehicle braking energy recovery method, a computer-readable storage medium, a vehicle braking energy recovery device, and a vehicle. Background Art

[0002] In the heavy-duty truck transportation industry, the road conditions on which vehicles travel are often complex and changeable, especially on bumpy roads. The stability and reliability of the vehicles face severe challenges. Heavy-duty trucks are usually equipped with air pumps to inflate the air tank and provide the necessary compressed air for the vehicle's braking system. However, when the vehicle is traveling on uneven roads, the air pump is easily affected by road excitation due to its high-speed rotation, resulting in damage or performance degradation, which in turn affects the normal replenishment of gas in the air tank, and may eventually cause the vehicle's brakes to fail, seriously threatening driving safety.

[0003] To extend the life of the air pump, a common practice is to reduce wear by lowering its speed or shutting it down at appropriate times. However, while this approach can protect the pump to a certain extent, it also creates new problems: the air in the air tank cannot be replenished in a timely manner to meet the vehicle's needs during emergency braking. In addition, during braking, a large amount of kinetic energy is converted into heat energy on the brake disc and dissipated. This energy is not only not effectively utilized, but also increases the thermal load on the brake system and shortens the service life of brake components. Summary of the Invention

[0004] The present invention aims to address, at least to some extent, one of the technical problems in the related art. To this end, a first object of the present invention is to provide a vehicle brake energy recovery method that significantly improves energy efficiency, extends the service life of brake components, optimizes braking performance, and effectively reduces vehicle operating costs.

[0005] A second object of the present invention is to provide a computer-readable storage medium.

[0006] A third object of the present invention is to provide a vehicle braking energy recovery device.

[0007] A fourth object of the present invention is to provide a vehicle.

[0008] In order to achieve the above-mentioned purpose, an embodiment of the first aspect of the present invention proposes a vehicle braking energy recovery method, wherein the vehicle includes a brake air tank, an air compressor and a gearbox, and the gearbox is connected to the air compressor through an electronic clutch. The method includes: obtaining a vehicle braking signal, a brake air tank air pressure and a gearbox power take-off speed; controlling the electronic clutch according to the vehicle braking signal, the brake air tank air pressure and the gearbox power take-off speed; when controlling the electronic clutch to close, controlling the air compressor to enter a brake energy recovery mode to recover the braking energy of the vehicle.

[0009] According to an embodiment of the present invention, a vehicle brake energy recovery method obtains the vehicle's brake signal, the brake air tank pressure, and the transmission power take-off speed, and controls the electronic clutch based on the vehicle's brake signal, the brake air tank pressure, and the transmission power take-off speed. When the electronic clutch is closed, the air compressor is controlled to enter brake energy recovery mode to recover the vehicle's brake energy. This significantly improves energy efficiency, extends the service life of brake components, optimizes braking performance, and effectively reduces vehicle operating costs.

[0010] In addition, the vehicle braking energy recovery method according to the above embodiment of the present invention may further include the following additional technical features:

[0011] According to one embodiment of the present invention, the air compressor includes an air compressor motor, air compressor blades and a planetary gear set, the air compressor blades are connected to the planetary gear set through a first power shaft, the planetary gear set is connected to the air compressor motor through a second power shaft, the planetary gear set includes a sun gear, planetary gears, a ring gear, a ring gear lock, a planet carrier and a planet carrier lock, and the planet carrier is connected to the electronic clutch through a speed gear.

[0012] According to one embodiment of the present invention, when the air pressure in the brake air tank is less than or equal to a preset pressure threshold, the electronic clutch is controlled, including: if the vehicle braking signal is not detected, or if the vehicle braking signal is detected and the transmission power take-off speed is greater than a preset speed threshold, the electronic clutch is controlled to be disconnected, and the air compressor is controlled to inflate the brake air tank; if the vehicle braking signal is detected and the transmission power take-off speed is less than or equal to the preset speed threshold, the electronic clutch is controlled to be closed.

[0013] According to one embodiment of the present invention, when the air pressure in the brake air tank is greater than a preset pressure threshold, the electronic clutch is controlled, including: if the vehicle braking signal is not detected, or if the vehicle braking signal is detected and the transmission power take-off port speed is greater than a preset speed threshold, the electronic clutch is controlled to be disconnected and the air compressor is controlled to be on standby; if the vehicle braking signal is detected and the transmission power take-off port speed is less than or equal to the preset speed threshold, the electronic clutch is controlled to be closed.

[0014] According to one embodiment of the present invention, controlling the air compressor to enter the brake energy recovery mode includes: controlling the ring gear lock and the planetary carrier lock to disconnect, so that the planetary gear set drives the air compressor blades through the first power shaft to inflate the brake air tank, and the planetary gear set drives the air compressor motor through the second power shaft to charge the vehicle's battery.

[0015] According to one embodiment of the present invention, controlling the air compressor to enter the brake energy recovery mode includes: controlling the ring gear lock to close and controlling the planetary carrier lock to disconnect, so that the planetary gear set drives the air compressor motor through the second power shaft to charge the vehicle's battery.

[0016] According to one embodiment of the present invention, the method further includes: obtaining the rotational speed of the first power shaft; when the rotational speed of the first power shaft is greater than a preset speed range, controlling the speed of the air compressor motor to decrease; when the rotational speed of the first power shaft is less than the preset speed range, controlling the speed of the air compressor motor to increase.

[0017] In order to achieve the above-mentioned purpose, the second embodiment of the present invention proposes a computer-readable storage medium, on which a vehicle braking energy recovery program is stored. When the vehicle braking energy recovery program is executed by a processor, the vehicle braking energy recovery method of the aforementioned embodiment of the present invention is implemented.

[0018] According to the computer-readable storage medium of an embodiment of the present invention, by executing the vehicle's brake energy recovery program through a processor, energy utilization efficiency can be significantly improved, the service life of the braking components can be extended, the braking performance can be optimized, and the vehicle operating costs can be effectively reduced.

[0019] In order to achieve the above-mentioned purpose, the third aspect embodiment of the present invention proposes a vehicle braking energy recovery device, wherein the vehicle includes a brake air tank, an air compressor and a gearbox, and the gearbox is connected to the air compressor through an electronic clutch. The device includes: an acquisition module for acquiring the vehicle braking signal, the brake air tank air pressure and the gearbox power take-off speed; a control module for controlling the electronic clutch according to the vehicle braking signal, the brake air tank air pressure and the gearbox power take-off speed; a processing module for controlling the air compressor to enter a braking energy recovery mode when controlling the electronic clutch to close, so as to recover the braking energy of the vehicle.

[0020] According to an embodiment of the present invention, the vehicle's brake energy recovery device uses an acquisition module to obtain the vehicle's brake signal, brake air tank pressure, and transmission power take-off speed. Furthermore, a control module controls the electronic clutch based on the vehicle's brake signal, brake air tank pressure, and transmission power take-off speed. Consequently, when the processing module controls the electronic clutch to close, it controls the air compressor to enter brake energy recovery mode to recover the vehicle's brake energy. This significantly improves energy efficiency, extends the service life of brake components, optimizes braking performance, and effectively reduces vehicle operating costs.

[0021] In order to achieve the above-mentioned objectives, a fourth embodiment of the present invention proposes a vehicle, comprising the braking energy recovery device of the vehicle according to the aforementioned embodiment of the present invention.

[0022] According to the vehicle of the embodiment of the present invention, by adopting the vehicle's brake energy recovery device of the above-mentioned embodiment of the present invention, the energy utilization efficiency can be significantly improved, the service life of the braking device can be extended, the braking performance can be optimized, and the vehicle operating costs can be effectively reduced.

[0023] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic structural diagram of a vehicle braking energy recovery device according to an embodiment of the present invention;

[0025] Figure 2 is a schematic flow chart of a vehicle braking energy recovery method according to one embodiment of the present invention;

[0026] Figure 3 is a schematic flow chart of a vehicle braking energy recovery method according to another embodiment of the present invention;

[0027] Figure 4is a schematic flow chart of a vehicle braking energy recovery method according to yet another embodiment of the present invention;

[0028] Figure 5 is a schematic flow chart of a vehicle braking energy recovery method according to yet another embodiment of the present invention;

[0029] Figure 6 is a block diagram of a braking energy recovery device for a vehicle according to an embodiment of the present invention;

[0030] Figure 7 is a block diagram of a vehicle according to an embodiment of the present invention. DETAILED DESCRIPTION

[0031] The following describes embodiments of the present invention in detail, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and are not to be construed as limiting the present invention.

[0032] The following describes a vehicle braking energy recovery method, a computer-readable storage medium, a vehicle braking energy recovery device, and a vehicle according to embodiments of the present invention with reference to the accompanying drawings.

[0033] Before introducing the braking energy recovery method and device of the vehicle of the present invention, the vehicle of the present invention is first described accordingly. Specifically, Figure 1 As shown, the vehicle 1000 includes a brake air tank 100 , an air compressor 200 and a gearbox 300 , and the gearbox 300 is connected to the air compressor 200 via an electronic clutch 11 .

[0034] Figure 2 4 is a flow chart of a method for recovering vehicle braking energy according to one embodiment of the present invention.

[0035] Specifically, in some embodiments of the present invention, the vehicle includes a brake air tank, an air compressor, and a gearbox, and the gearbox is connected to the air compressor via an electronic clutch, such as Figure 2 As shown, the vehicle's braking energy recovery method includes:

[0036] S101, obtaining a vehicle brake signal, brake air tank pressure, and transmission power take-off speed.

[0037] Specifically, in this embodiment, an angle sensor may be installed on the brake pedal to obtain the vehicle brake signal via the angle sensor. A pressure sensor may be installed in the brake air reservoir to obtain the brake air reservoir pressure via the pressure sensor. A speed sensor may be installed at the transmission power take-off port to obtain the transmission power take-off speed via the speed sensor. Furthermore, the present invention does not specifically limit the methods for obtaining the vehicle brake signal, the brake air reservoir pressure, and the transmission power take-off speed.

[0038] S102: Control the electronic clutch according to the vehicle braking signal, the air pressure of the brake air reservoir, and the speed of the transmission power take-off port.

[0039] Specifically, in this embodiment, when the air pressure in the brake air tank is less than or equal to a preset pressure threshold, if no vehicle braking signal is detected, or if a vehicle braking signal is detected and the transmission power take-off speed is greater than a preset speed threshold, the electronic clutch is controlled to disconnect; if a vehicle braking signal is detected and the transmission power take-off speed is less than or equal to the preset speed threshold, the electronic clutch is controlled to close.

[0040] When the air pressure in the brake air tank is greater than the preset pressure threshold, if no vehicle braking signal is detected, or if a vehicle braking signal is detected and the transmission power take-off speed is greater than the preset speed threshold, the electronic clutch is controlled to disengage; if a vehicle braking signal is detected and the transmission power take-off speed is less than or equal to the preset speed threshold, the electronic clutch is controlled to close.

[0041] S103, when the electronic clutch is controlled to be closed, the air compressor is controlled to enter a braking energy recovery mode to recover the braking energy of the vehicle.

[0042] Specifically, in this embodiment, the air compressor includes an air compressor motor, air compressor blades, and a planetary gear set. The air compressor blades are connected to the planetary gear set via a first power shaft, and the planetary gear set is connected to the air compressor motor via a second power shaft. The planetary gear set includes a sun gear, planetary gears, a ring gear, a ring gear lock, a planet carrier, and a planet carrier lock. The planet carrier is connected to an electronic clutch via a speed change gear. When the brake reservoir pressure is less than or equal to a preset pressure threshold, if a vehicle braking signal is detected and the transmission power take-off speed is less than or equal to a preset speed threshold, the electronic clutch is controlled to close and the air compressor is controlled to enter a brake energy recovery mode to recover the vehicle's braking energy. Specifically, the ring gear lock and the planet carrier lock can be controlled to open, allowing the planetary gear set to drive the air compressor blades via the first power shaft to inflate the brake reservoir, and the planetary gear set to drive the air compressor motor via the second power shaft to charge the vehicle's battery.

[0043] When the brake reservoir pressure exceeds a preset threshold, if a vehicle braking signal is detected and the transmission power take-off speed is less than or equal to a preset threshold, the electronic clutch is closed and the air compressor enters brake energy recovery mode to recover the vehicle's braking energy. Specifically, the ring gear lock is closed and the planetary carrier lock is disengaged, allowing the planetary gear set to drive the air compressor motor via the second power shaft to charge the vehicle's battery.

[0044] Furthermore, in some embodiments of the present invention, the air compressor includes an air compressor motor, air compressor blades and a planetary gear set, the air compressor blades are connected to the planetary gear set through a first power shaft, the planetary gear set is connected to the air compressor motor through a second power shaft, the planetary gear set includes a sun gear, planetary gears, a ring gear, a ring gear lock, a planet carrier and a planet carrier lock, and the planet carrier is connected to the electronic clutch through a speed gear.

[0045] Specifically, in this embodiment, Figure 1 As shown, the air compressor 200 includes an air compressor motor 12, an air compressor blade 13 and a planetary gear set 201. The air compressor blade 13 is connected to the planetary gear set 201 through a first power shaft 14, and the planetary gear set 201 is connected to the air compressor motor 12 through a second power shaft 15. The planetary gear set 201 rotates by driving the first power shaft 14 to rotate, thereby causing the air compressor blade 13 to rotate, and the planetary gear set 201 rotates by driving the second power shaft 15 to rotate, thereby causing the air compressor motor 12 to operate.

[0046] The planetary gear set 201 includes a sun gear 16, planetary gears 17, a ring gear 18, a ring gear lock 19, a planet carrier 20 and a planet carrier lock 21. The planet carrier 20 is connected to the electronic clutch 11 through a speed gear 22. The sun gear 16 is connected to the second power shaft 15 and the planetary gears 17 respectively. The planetary gears 17 are connected to the ring gear 18 and the planet carrier 20 respectively. The ring gear 18 is connected to the first power shaft 14.

[0047] Furthermore, in some embodiments of the present invention, Figure 3 As shown, when the air pressure in the brake air tank is less than or equal to a preset pressure threshold, the electronic clutch is controlled, including:

[0048] S201: If no vehicle braking signal is detected, or if a vehicle braking signal is detected and the transmission power take-off speed is greater than a preset speed threshold, the electronic clutch is controlled to disconnect and the air compressor is controlled to inflate the brake air tank.

[0049] Specifically, in this embodiment, Figure 1As shown, when the air pressure in the brake air tank 100 is less than or equal to the preset pressure threshold, if the vehicle braking signal is not detected, or if the vehicle braking signal is detected and the speed of the transmission power take-off port 23 is greater than the preset speed threshold, the electronic clutch 11 is controlled to disconnect, and the ring gear lock 19 is controlled to disconnect, and the planetary carrier lock 21 is closed. At this time, the air compressor motor 12 is in a driving state, and the air compressor motor 12 drives the sun gear 16 to rotate through the first power shaft 14, the sun gear 16 drives the planetary gear 17 to rotate, the planetary gear 17 drives the ring gear 18 to rotate, the ring gear 18 drives the first power shaft 14 to rotate, and the first power shaft 14 drives the air compressor blades 13 to rotate, so that the brake air tank 100 can be inflated.

[0050] S202: If a vehicle braking signal is detected and the transmission power take-off speed is less than or equal to a preset speed threshold, the electronic clutch is controlled to close.

[0051] Specifically, in this embodiment, when the air pressure in the brake air reservoir 100 is less than or equal to a preset pressure threshold, if a vehicle braking signal is detected and the speed of the transmission power take-off port 23 is less than or equal to a preset speed threshold, the electronic clutch 11 is controlled to close, the ring gear lock 19 is disengaged, and the planetary carrier lock 21 is disengaged. At this time, the air compressor motor 12 is in a generating state, and the speed change gear 22 drives the planetary gear 17 through the planetary carrier 20 to rotate. The planetary gear 17 drives the sun gear 16 to rotate, and the sun gear 16 drives the second power shaft 15 to rotate. The second power shaft 15 drives the air compressor 200 motor to charge the battery of the vehicle 1000. Simultaneously, the planetary gear 17 drives the ring gear 18 to rotate, which drives the first power shaft 14 to rotate. The first power shaft 14 drives the air compressor blades 13 to rotate, thereby inflating the brake air reservoir 100.

[0052] Furthermore, in some embodiments of the present invention, Figure 4 As shown, when the air pressure in the brake air tank is greater than a preset pressure threshold, the electronic clutch is controlled, including:

[0053] S301: If no vehicle braking signal is detected, or if a vehicle braking signal is detected and the transmission power take-off speed is greater than a preset speed threshold, the electronic clutch is controlled to be disconnected and the air compressor is controlled to be in standby mode.

[0054] Specifically, in this embodiment, when the air pressure in the brake air tank is greater than a preset pressure threshold, if no vehicle braking signal is detected, or if a vehicle braking signal is detected and the transmission power take-off speed is greater than a preset speed threshold, the electronic clutch is controlled to disconnect, the ring gear lock is closed, and the planetary carrier lock is closed. At this time, the gas in the brake air tank is sufficient and does not need to be inflated, and the air compressor is controlled to standby.

[0055] S302: If a vehicle braking signal is detected and the transmission power take-off speed is less than or equal to a preset speed threshold, the electronic clutch is controlled to close.

[0056] Specifically, in this embodiment, when the air pressure in the brake air tank is greater than a preset pressure threshold, if a vehicle braking signal is detected and the transmission power take-off speed is less than or equal to the preset speed threshold, the electronic clutch is controlled to close, the ring gear lock is closed, and the planetary carrier lock is disconnected. At this time, the air compressor motor is in a power generation state, the speed gear drives the planetary gear to rotate through the planetary carrier, the planetary gear drives the sun gear to rotate, the sun gear drives the second power shaft to rotate, and the second power shaft drives the air compressor motor to charge the vehicle's battery.

[0057] Furthermore, in some embodiments of the present invention, controlling the air compressor to enter the brake energy recovery mode includes: controlling the ring gear lock and the planetary carrier lock to disconnect, so that the planetary gear set drives the air compressor blades through the first power shaft to inflate the brake air tank, and the planetary gear set drives the air compressor motor through the second power shaft to charge the vehicle's battery.

[0058] Specifically, in this embodiment, Figure 1 As shown, the planetary gear set 201 includes a sun gear 16, planetary gears 17, a ring gear 18, a ring gear lock 19, a planet carrier 20 and a planet carrier lock 21. The planet carrier 20 is connected to the electronic clutch 11 through a speed gear 22. The sun gear 16 is connected to the second power shaft 15 and the planetary gear 17 respectively. The planetary gear 17 is connected to the ring gear 18 and the planet carrier 20 respectively. The ring gear 18 is connected to the first power shaft 14. When the air pressure in the brake air tank 100 is less than or equal to the preset pressure threshold, if the vehicle braking signal is not detected, or if the vehicle braking signal is detected and the speed of the transmission power take-off port 23 is greater than the preset speed threshold, the electronic clutch 11 is controlled to disconnect, and the ring gear lock 19 is controlled to disconnect, and the planetary carrier lock 21 is closed. At this time, the air compressor motor 12 is in a driving state, and the air compressor motor 12 drives the sun gear 16 to rotate through the first power shaft 14, the sun gear 16 drives the planetary gear 17 to rotate, the planetary gear 17 drives the ring gear 18 to rotate, the ring gear 18 drives the first power shaft 14 to rotate, and the first power shaft 14 drives the air compressor blades 13 to rotate, so that the brake air tank 100 can be inflated.

[0059] When the pressure in the brake air reservoir 100 is less than or equal to a preset pressure threshold, if a vehicle braking signal is detected and the speed of the transmission power take-off port 23 is less than or equal to a preset speed threshold, the electronic clutch 11 is controlled to close, the ring gear lock 19 is disengaged, and the planetary carrier lock 21 is disengaged. At this time, the air compressor motor 12 is in a generating state. The speed change gear 22 drives the planetary gear 17 through the planetary carrier 20 to rotate. The planetary gear 17 drives the sun gear 16 to rotate. The sun gear 16 drives the second power shaft 15 to rotate. The second power shaft 15 drives the air compressor 200 motor to charge the battery of the vehicle 1000. Simultaneously, the planetary gear 17 drives the ring gear 18 to rotate. The ring gear 18 drives the first power shaft 14 to rotate. The first power shaft 14 drives the air compressor blades 13 to rotate, thereby inflating the brake air reservoir 100.

[0060] Furthermore, in some embodiments of the present invention, controlling the air compressor to enter the brake energy recovery mode includes: controlling the ring gear lock to close and controlling the planetary carrier lock to disconnect, so that the planetary gear set drives the air compressor motor through the second power shaft to charge the vehicle's battery.

[0061] Specifically, in this embodiment, Figure 1 As shown, planetary gear set 201 includes a sun gear 16, planet gears 17, a ring gear 18, a ring gear lock 19, a planet carrier 20, and a planet carrier lock 21. Planet carrier 20 is connected to electronic clutch 11 via a speed change gear 22. Sun gear 16 is connected to second power shaft 15 and planet gears 17, respectively. Planet gears 17 are connected to ring gear 18 and planet carrier 20, respectively. Ring gear 18 is connected to first power shaft 14. When the air pressure in brake reservoir 100 exceeds a preset pressure threshold, if a vehicle braking signal is detected, and the speed of the power take-off port of transmission 300 is less than or equal to a preset speed threshold, the electronic clutch 11 is controlled to close, the ring gear lock 19 is closed, and the planet carrier lock 21 is opened. At this time, the air compressor motor 12 is in a generating state. The speed change gear 22 drives the planet gears 17 to rotate through planet carrier 20, which in turn drives the sun gear 16 to rotate, which in turn drives the second power shaft 15 to rotate, which in turn drives the air compressor motor 12 to charge the vehicle battery.

[0062] Furthermore, in some embodiments of the present invention, Figure 5 As shown, the vehicle's braking energy recovery method also includes:

[0063] S401: Obtain the rotational speed of the first power shaft.

[0064] Specifically, in this embodiment, a rotation speed sensor may be installed on the first power shaft, and the rotation speed of the first power shaft may be acquired through the rotation speed sensor.

[0065] S402: When the rotation speed of the first power shaft is greater than a preset rotation speed range, the air compressor motor is controlled to reduce its speed.

[0066] Specifically, in this embodiment, when the speed of the first power shaft exceeds a preset speed range, the vehicle controller sends a speed reduction control command to the air compressor motor controller, which then reduces the speed of the air compressor motor according to the speed reduction control command. The value of the preset speed range depends on the motor type, the tolerance limit of the air compressor blades, and the system's compressed air pressure requirements, and is not specifically limited herein.

[0067] S403: When the rotation speed of the first power shaft is less than a preset rotation speed range, the air compressor motor is controlled to increase its speed.

[0068] Specifically, in this embodiment, when the speed of the first power shaft falls below a preset speed range, the vehicle controller sends a speed-up control command to the air compressor motor controller, which then increases the speed of the air compressor motor according to the speed-up control command. The value of the preset speed range depends on the motor type, the tolerance limit of the air compressor blades, and the system's compressed air pressure requirements, and is not specifically limited herein.

[0069] In addition, in a specific embodiment of the present invention, Figure 1 As shown, the electronic clutch 11 is connected to the transmission 300 through the transmission power take-off port 23. The vehicle 1000 also includes a drive device 24, a differential 25, wheels 26, a speed sensor 27, an air filter 28, a dryer 29, a first one-way valve 30, an air pressure sensor 31, a pressure relief valve 32, an electronic pressure reducing valve 33, a second one-way valve 34, and a braking system 400. The gearbox 300 is connected to the drive device 24 and the differential 25 respectively, the differential 25 is connected to the wheel 26, the speed sensor 27 is arranged on the first power shaft 14, the air filter 28 is arranged at the air inlet of the air compressor blade 13, and the dryer 29 is arranged at the air outlet of the air compressor blade 13. The dryer 29 is also connected to the air inlet of the first one-way valve 30, and the air outlet of the first one-way valve 30 is connected to the air inlet of the brake air tank 100. The brake air tank 100 is provided with an air pressure sensor 31 and a pressure relief valve 32. The air outlet of the brake air tank 100 is connected to one end of the electronic pressure reducing valve 33, and the other end of the electronic pressure reducing valve 33 is connected to the air inlet of the second one-way valve 34. The air outlet of the second one-way valve 34 is connected to the braking system 400.

[0070] After the electronic clutch 11 closes, the transmission power take-off port 23 provides power to rotate the speed change gear 22. As the air compressor blades rotate 13, air enters the air compressor blade 13 through the air filter 28. The air compressed by the air compressor blades 13 flows out of the compressed air outlet and then enters the dryer 29 for drying. The dried compressed air then passes through the first one-way valve 30 and enters the brake air reservoir 100, completing the inflation of the brake air reservoir 100. If a braking signal from the vehicle 1000 is detected, the vehicle controller sends a braking signal to the brake system 400, controlling the opening of the electronic pressure reducing valve 33. At this point, the gas in the air reservoir enters the brake system 400 through the voltage pressure reducing valve and the second one-way valve 34, thereby braking the vehicle 1000.

[0071] In summary, the vehicle braking energy recovery method according to an embodiment of the present invention obtains the vehicle braking signal, the brake air tank pressure, and the transmission power take-off speed, and controls the electronic clutch based on the vehicle braking signal, the brake air tank pressure, and the transmission power take-off speed. When the electronic clutch is closed, the air compressor is controlled to enter the braking energy recovery mode to recover the vehicle's braking energy. This significantly improves energy efficiency, extends the service life of braking components, optimizes braking performance, and effectively reduces vehicle operating costs.

[0072] Based on the vehicle braking energy recovery method proposed in the aforementioned embodiment of the present invention, the embodiment of the present invention also proposes a computer-readable storage medium, on which a vehicle braking energy recovery program is stored. When the vehicle braking energy recovery program is executed by a processor, the vehicle braking energy recovery method of the above embodiment of the present invention is implemented.

[0073] According to the computer-readable storage medium of an embodiment of the present invention, by executing the vehicle's brake energy recovery program through a processor, energy utilization efficiency can be significantly improved, the service life of the braking components can be extended, the braking performance can be optimized, and the vehicle operating costs can be effectively reduced.

[0074] Figure 6 4 is a block diagram of a braking energy recovery device for a vehicle according to an embodiment of the present invention.

[0075] Specifically, the vehicle includes a brake air tank, an air compressor and a gearbox, and the gearbox is connected to the air compressor through an electronic clutch, such as Figure 6 As shown, the vehicle's braking energy recovery device 500 includes an acquisition module 50 , a control module 60 and a processing module 70 .

[0076] Among them, the acquisition module 50 is used to obtain the vehicle braking signal, the brake air tank pressure and the transmission power take-off speed; the control module 60 is used to control the electronic clutch according to the vehicle braking signal, the brake air tank pressure and the transmission power take-off speed; the processing module 70 is used to control the air compressor to enter the brake energy recovery mode when controlling the electronic clutch to close, so as to recover the vehicle's braking energy.

[0077] In some embodiments of the present invention, the air compressor includes an air compressor motor, air compressor blades and a planetary gear set, the air compressor blades are connected to the planetary gear set through a first power shaft, the planetary gear set is connected to the air compressor motor through a second power shaft, the planetary gear set includes a sun gear, planetary gears, a ring gear, a ring gear lock, a planet carrier and a planet carrier lock, and the planet carrier is connected to the electronic clutch through a speed gear.

[0078] In some embodiments of the present invention, when the air pressure in the brake air tank is less than or equal to a preset pressure threshold, the control module 60 is specifically used to control the electronic clutch to disconnect and control the air compressor to inflate the brake air tank if the vehicle braking signal is not detected, or if the vehicle braking signal is detected and the transmission power take-off speed is greater than a preset speed threshold; if the vehicle braking signal is detected and the transmission power take-off speed is less than or equal to the preset speed threshold, control the electronic clutch to close.

[0079] In some embodiments of the present invention, when the air pressure in the brake air tank is greater than a preset pressure threshold, the control module 60 is specifically used to control the electronic clutch to be disconnected and the air compressor to be on standby if the vehicle braking signal is not detected, or if the vehicle braking signal is detected and the transmission power take-off speed is greater than a preset speed threshold; if the vehicle braking signal is detected and the transmission power take-off speed is less than or equal to the preset speed threshold, then control the electronic clutch to be closed.

[0080] In some embodiments of the present invention, the processing module 70 is specifically used to control the disconnection of the ring gear lock and the planetary carrier lock, so that the planetary gear set drives the air compressor blades through the first power shaft to inflate the brake air tank, and drives the air compressor motor through the second power shaft to charge the battery of the vehicle.

[0081] In some embodiments of the present invention, the processing module 70 is specifically used to control the ring gear lock to close and the planet carrier lock to open, so that the planetary gear set drives the air compressor motor to charge the vehicle battery through the second power shaft.

[0082] In some embodiments of the present invention, the acquisition module 50 is also used to obtain the rotational speed of the first power shaft; the control module 60 is specifically used to control the speed of the air compressor motor to decrease when the rotational speed of the first power shaft is greater than a preset speed range; and to control the speed of the air compressor motor to increase when the rotational speed of the first power shaft is less than the preset speed range.

[0083] It should be noted that for other specific implementations of the vehicle braking energy recovery device proposed in the embodiment of the present invention, reference can be made to the specific implementations of the vehicle braking energy recovery method in the aforementioned embodiment of the present invention. To reduce redundancy, they will not be repeated here.

[0084] In summary, the vehicle brake energy recovery device according to an embodiment of the present invention obtains the vehicle brake signal, the brake air tank pressure, and the transmission power take-off speed through an acquisition module, and controls the electronic clutch according to the vehicle brake signal, the brake air tank pressure, and the transmission power take-off speed through a control module. Thus, when the processing module controls the electronic clutch to close, it controls the air compressor to enter the brake energy recovery mode to recover the vehicle's brake energy. This can significantly improve energy utilization efficiency, extend the service life of brake components, optimize braking performance, and effectively reduce vehicle operating costs.

[0085] Figure 7 is a block diagram of a vehicle according to an embodiment of the present invention.

[0086] like Figure 7 As shown, the vehicle 1000 includes the vehicle braking energy recovery device 500 according to the above embodiment of the present invention.

[0087] According to the vehicle of the embodiment of the present invention, by adopting the vehicle's brake energy recovery device of the above-mentioned embodiment of the present invention, the energy utilization efficiency can be significantly improved, the service life of the braking device can be extended, the braking performance can be optimized, and the vehicle operating costs can be effectively reduced.

[0088] In addition, other components and functions of the vehicle according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail here to reduce redundancy.

[0089] It should be noted that the logic and / or steps represented in the flowcharts or otherwise described herein, for example, can be considered as a sequenced list of executable instructions for implementing the logical functions, and can be embodied in any computer-readable medium for use by, or in conjunction with, an instruction execution system, apparatus, or device (e.g., a computer-based system, a system including a processor, or other system that can fetch and execute instructions from an instruction execution system, apparatus, or device). For purposes of this specification, a "computer-readable medium" can be any device that can contain, store, communicate, propagate, or transport a program for use by, or in conjunction with, an instruction execution system, apparatus, or device. More specific examples (non-exhaustive list) of computer-readable media include the following: an electrical connection with one or more wires (electronic device), a portable computer disk cartridge (magnetic device), random access memory (RAM), read-only memory (ROM), erasable and programmable read-only memory (EPROM or flash memory), fiber optic devices, and portable compact disc read-only memory (CDROM). Furthermore, the computer-readable medium may even be paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium and then editing, interpreting or processing it in another suitable manner if necessary, and then storing it in a computer memory.

[0090] It should be understood that various parts of the present invention can be implemented using hardware, software, firmware, or a combination thereof. In the above-described embodiments, multiple steps or methods can be implemented using software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented using hardware, as in another embodiment, any one of the following technologies known in the art or a combination thereof can be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application-specific integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0091] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0092] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0093] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0094] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0095] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0096] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A method for recovering braking energy of a vehicle, characterized in that: The vehicle comprises a brake air tank, an air compressor and a gearbox, wherein the gearbox is connected to the air compressor via an electronic clutch, and the method comprises: Obtain vehicle brake signal, brake air tank pressure and transmission power take-off speed; Controlling the electronic clutch according to the vehicle braking signal, the air pressure of the brake air tank and the speed of the transmission power take-off port; When the electronic clutch is controlled to close, the air compressor is controlled to enter a braking energy recovery mode to recover the braking energy of the vehicle.

2. The vehicle braking energy recovery method according to any one of claim 1, characterized in that: The air compressor includes an air compressor motor, air compressor blades and a planetary gear set. The air compressor blades are connected to the planetary gear set through a first power shaft, and the planetary gear set is connected to the air compressor motor through a second power shaft. The planetary gear set includes a sun gear, a planetary gear, a ring gear, a ring gear lock, a planet carrier and a planet carrier lock. The planet carrier is connected to the electronic clutch through a speed gear.

3. The vehicle braking energy recovery method according to claim 2, characterized in that: When the air pressure of the brake air reservoir is less than or equal to a preset pressure threshold, controlling the electronic clutch includes: If the vehicle braking signal is not detected, or if the vehicle braking signal is detected and the speed of the gearbox power take-off port is greater than a preset speed threshold, the electronic clutch is controlled to be disconnected, and the air compressor is controlled to inflate the brake air tank; If the vehicle braking signal is detected and the transmission power take-off port speed is less than or equal to the preset speed threshold, the electronic clutch is controlled to close.

4. The vehicle braking energy recovery method according to claim 2, characterized in that: When the air pressure of the brake air storage tank is greater than a preset pressure threshold, controlling the electronic clutch includes: If the vehicle braking signal is not detected, or if the vehicle braking signal is detected and the speed of the gearbox power take-off port is greater than a preset speed threshold, the electronic clutch is controlled to be disconnected, and the air compressor is controlled to be in standby mode; If the vehicle braking signal is detected and the transmission power take-off port speed is less than or equal to the preset speed threshold, the electronic clutch is controlled to close.

5. The vehicle braking energy recovery method according to claim 3, characterized in that: The controlling the air compressor to enter a braking energy recovery mode comprises: The ring gear lock and the planet carrier lock are controlled to be disconnected, so that the planetary gear set drives the air compressor blades to inflate the brake air tank through the first power shaft, and the planetary gear set drives the air compressor motor to charge the battery of the vehicle through the second power shaft.

6. The vehicle braking energy recovery method according to claim 4, characterized in that: The controlling the air compressor to enter a braking energy recovery mode comprises: The ring gear lock is controlled to be closed, and the planet carrier lock is controlled to be opened, so that the planetary gear set drives the air compressor motor to charge the battery of the vehicle through the second power shaft.

7. The vehicle braking energy recovery method according to claim 5, characterized in that: The method further comprises: Acquiring the rotation speed of the first power shaft; When the speed of the first power shaft is greater than a preset speed range, the air compressor motor is controlled to reduce speed; When the rotation speed of the first power shaft is less than the preset rotation speed range, the air compressor motor is controlled to increase speed.

8. A computer-readable storage medium, characterized in that: A vehicle braking energy recovery program is stored thereon, and when the vehicle braking energy recovery program is executed by a processor, a vehicle braking energy recovery method according to any one of claims 1-7 is implemented.

9. A braking energy recovery device for a vehicle, characterized in that: The vehicle comprises a brake air tank, an air compressor and a gearbox, wherein the gearbox is connected to the air compressor via an electronic clutch, and the device comprises: An acquisition module is used to obtain the vehicle brake signal, the air pressure of the brake air tank and the speed of the gearbox power take-off port; A control module, used for controlling the electronic clutch according to the vehicle braking signal, the air pressure of the brake air reservoir and the speed of the gearbox power take-off port; The processing module is used to control the air compressor to enter a braking energy recovery mode when controlling the electronic clutch to close, so as to recover the braking energy of the vehicle.

10. A vehicle, characterized in that: A braking energy recovery device for a vehicle including the one described in claim 9.

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