Flow guide cover energy recovery device, control method and control system

Abstract

The invention discloses a fairing energy recovery device, a control method and a control system, and relates to the technical field of new energy commercial vehicles, the fairing energy recovery device comprises a fairing and a movable end, the fairing comprises a rotating end and a movable end, the rotating end is one end close to a carriage of the new energy commercial vehicle and is rotatably connected with a fairing support, and the movable end is connected with the fairing support; the rotating end is far away from the carriage and is movably connected with the top end of the cab, and the flow guide cover and the top end of the cab form a recycling cavity; the energy recovery device is arranged in the recovery cavity and fixed to the fairing support, and when a gap exists between the movable end of the fairing and the top end of the cab, the energy recovery device converts wind energy entering the recovery cavity through the gap into electric energy. The air guide sleeve can be fixed to the original position under the condition that a vehicle is not braked, only the air guide function is achieved, when the vehicle is braked, the air guide sleeve can be opened, the energy recovery device works, electric energy is recovered, and meanwhile the air guide function can be weakened.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy commercial vehicles, and in particular to a fairing energy recovery device, a control method and a control system. Background Art

[0002] With the development of the domestic electric commercial vehicle market, pure electric vehicles, as a new type of transportation that is energy-saving, environmentally friendly and sustainable, have made great progress in technology in recent years with the strong support of various national policies. However, range anxiety is still the main bottleneck hindering the development of electric vehicles. How to increase the range has always been a hot topic in industry research.

[0003] New energy commercial vehicles generally have a deflector device. The purpose of the deflector is to reduce wind resistance. When the vehicle is accelerating normally or driving at a constant speed, the deflector's effect in reducing wind resistance is beneficial to the electric vehicle's endurance. However, when the vehicle needs to decelerate, the deflector's effect in reducing wind resistance is not conducive to vehicle deceleration. Summary of the invention

[0004] The present application provides a deflector energy recovery device, a control method and a control system to at least solve one technical problem existing in the related art.

[0005] According to one aspect of an embodiment of the present application, a fairing energy recovery device is provided, comprising: a fairing, comprising a rotating end and a movable end, the rotating end being an end close to a car body of a new energy commercial vehicle and rotatably connected to a fairing bracket, the rotating end being an end away from the car body and movably connected to a top end of a cab, a recovery cavity being formed between the fairing and the top end of the cab; an energy recovery device, arranged in the recovery cavity and fixed to the fairing bracket, wherein when a gap exists between the movable end of the fairing and the top end of the cab, the energy recovery device converts wind energy entering the recovery cavity through the gap into electrical energy.

[0006] As an optional embodiment, it also includes: a hydraulic device, which is arranged in the deflector, with its two ends respectively fixed to the deflector and connected to the top of the cab, and is used to control the movement of the movable end of the deflector.

[0007] As an optional implementation, the energy recovery device includes a recovery motor and a motor fan connected to the recovery motor; the rotating surface of the motor fan faces the gap.

[0008] According to another aspect of the present application, a control method for energy recovery of a deflector is provided, which is applied to the deflector energy recovery device, wherein the deflector includes a recovery state and a diversion state, wherein in the recovery state, there is a gap between the movable end of the deflector and the top of the cab, wherein the size of the gap is set to the opening of the deflector, and the size of the gap is proportional to the opening of the deflector; in the diversion state, the movable end of the deflector is connected to the top of the cab; the control method includes: obtaining the accelerator pedal opening and the brake pedal opening; and controlling the state of the deflector according to the accelerator pedal opening and the brake pedal opening.

[0009] As an optional implementation, controlling the air deflector to be in the recovery state or the diversion state according to the accelerator pedal opening and / or brake pedal opening includes: if the accelerator pedal opening is not 0 and the brake pedal opening is 0, controlling the air deflector to be in the diversion state.

[0010] As an optional implementation, controlling the air deflector to be in the recovery state or the diversion state according to the accelerator pedal opening and / or brake pedal opening includes: if the accelerator pedal opening is 0 and the brake pedal opening is not 0, controlling the air deflector to be in the recovery state.

[0011] As an optional implementation, if the brake pedal opening is 0 and the accelerator pedal opening is 0, the air deflector is controlled to be in an air diversion state.

[0012] As an optional implementation manner, controlling the state of the air deflector according to the accelerator pedal opening and the brake pedal opening includes: controlling the opening of the air deflector according to the brake pedal opening.

[0013] As an optional implementation manner, controlling the opening of the air deflector according to the brake pedal opening includes: the brake pedal opening is proportional to the opening of the air deflector.

[0014] According to another aspect of the present application, a control system for energy recovery of a fairing is provided, which is applied to the control method for energy recovery of the fairing, and includes: a motor controller, respectively connected to the vehicle controller and the energy recovery device, and used to control the energy recovery device to enter a power generation state when the fairing is in the recovery state; a hydraulic controller, respectively connected to the hydraulic device and the vehicle controller, and configured to control the hydraulic device to control the opening of the fairing according to the brake pedal opening when the fairing is in the recovery state; a battery pack, connected to the energy recovery device, and used to store electric energy recovered by the energy recovery device; wherein the vehicle controller is also connected to the brake pedal and the accelerator pedal.

[0015] In an embodiment of the present application, a deflector energy recovery device, a control method and a control system are provided, wherein the deflector energy recovery device comprises: a deflector, comprising a rotating end and a movable end, wherein the rotating end is an end close to the carriage of a new energy commercial vehicle and is rotatably connected to a deflector bracket, wherein the rotating end is an end away from the carriage and is movably connected to the top of the cab, wherein a recovery chamber is formed between the deflector and the top of the cab; an energy recovery device is arranged in the recovery chamber and fixed to the deflector bracket, and when there is a gap between the movable end of the deflector and the top of the cab, the energy recovery device converts the wind energy entering the recovery chamber through the gap into electrical energy. By arranging the energy recovery device in the deflector and the deflector being able to be opened and closed, the deflector can be fixed in its original position when the vehicle is not braked, and only plays a diversion function, while when the vehicle is braked, the deflector can be opened, the energy recovery device works, recovers electrical energy, and at the same time weakens the diversion function. The practicability of the fairing is greatly improved, which can be beneficial to the rapid braking of the vehicle and at the same time increase the cruising range of electric commercial vehicles. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0018] Figure 1 It is a structural schematic diagram of a deflector energy recovery device according to an embodiment of the present application, in which the deflector is in a deflecting state.

[0019] Figure 2 It is a structural schematic diagram of a deflector energy recovery device in which the deflector is in a recovery state according to an embodiment of the present application.

[0020] Figure 3 It is a flow chart of a control method for air deflector energy recovery provided in an embodiment of the present application.

[0021] Figure 4 It is a schematic diagram of the modular structure of a control system for energy recovery of a fairing provided in an embodiment of the present application.

[0022] Reference numerals

[0023] 1. Air deflector; 2. Energy recovery device; 21. Recovery motor; 22. Motor fan; 3. Driver's cab; 4. Hydraulic device. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0025] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0026] like Figure 1-2 As shown, according to one aspect of an embodiment of the present application, a fairing energy recovery device is provided, comprising: a fairing 1, comprising a rotating end and a movable end, the rotating end being an end close to the car body of a new energy commercial vehicle, and rotatably connected to a fairing bracket, the rotating end being an end away from the car body, and movably connected to the top of a cab 3, a recovery cavity being formed between the fairing 1 and the top of the cab 3; an energy recovery device 2, arranged in the recovery cavity, fixed to the fairing bracket, when there is a gap between the movable end of the fairing 1 and the top of the cab 3, the energy recovery device 2 converts wind energy entering the recovery cavity through the gap into electrical energy.

[0027] By arranging the energy recovery device 2 in the air deflector 1 and enabling the air deflector 1 to be opened and closed, the air deflector 1 can be fixed in its original position when the vehicle is not braking and only plays a diversion function. When the vehicle is braking, the air deflector 1 can be opened and the energy recovery device 2 can work to recover electric energy while also weakening the diversion function. The practicality of the air deflector 1 is greatly improved, which can be beneficial to the rapid braking of the vehicle and improve the cruising range of the electric commercial vehicle.

[0028] As an optional embodiment, it also includes: a hydraulic device 4, which is arranged in the deflector 1, with its two ends respectively fixed to the deflector 1 and connected to the top of the cab 3, for controlling the movement of the movable end of the deflector 1.

[0029] Specifically, Figure 1-2 As shown, the hydraulic device 4 can be fixed to the deflector 1 and the top of the cab 3 respectively, and when the deflector 1 is controlled to open, the hydraulic rod of the hydraulic device 4 lifts up the deflector 1, so that a gap is formed between the movable end of the deflector 1 and the top of the cab 3, so that wind enters the recovery chamber, and then the energy recovery device 2 converts wind energy into electrical energy and recovers it. The setting of the hydraulic device 4 is simple in principle and low in cost, and can accurately control the opening and closing of the deflector 1.

[0030] In addition, the movement of the position of the air deflector 1 can also be controlled by other means such as a ball screw.

[0031] As an optional implementation, the energy recovery device 2 includes a recovery motor 21 and a motor fan 22 connected to the recovery motor 21; the rotating surface of the motor fan 22 faces the gap.

[0032] like Figure 3 As shown, according to another aspect of the present application, a control method for energy recovery of a deflector is provided, which is applied to the deflector energy recovery device, wherein the deflector 1 includes a recovery state and a diversion state, in which a gap exists between the movable end of the deflector 1 and the top of the cab 3, wherein the size of the gap is set to the opening of the deflector 1, and the size of the gap is proportional to the opening of the deflector 1; in the diversion state, the movable end of the deflector 1 is connected to the top of the cab 3; the control method comprises:

[0033] S1 obtains the accelerator pedal opening and the brake pedal opening;

[0034] S2 controls the state of the air deflector 1 according to the accelerator pedal opening and the brake pedal opening.

[0035] Specifically, controlling the air deflector 1 to be in the recovery state or the diversion state according to the accelerator pedal opening and / or the brake pedal opening may include: if the accelerator pedal opening is not 0 and the brake pedal opening is 0, controlling the air deflector 1 to be in the diversion state.

[0036] The controlling the air deflector 1 to be in the recovery state or the diversion state according to the accelerator pedal opening and / or the brake pedal opening may further include: if the accelerator pedal opening is 0 and the brake pedal opening is not 0, controlling the air deflector 1 to be in the recovery state.

[0037] Meanwhile, if the brake pedal opening is 0 and the accelerator pedal opening is 0, the deflector 1 is controlled to be in a deflection state.

[0038] In addition, the opening degree of the air deflector 1 can also be controlled according to the opening degree of the brake pedal.

[0039] This makes the control of the air deflector 1 more precise.

[0040] Moreover, the brake pedal opening is proportional to the opening of the air deflector 1 .

[0041] like Figure 4 As shown, according to another aspect of the present application, a control system for energy recovery of a fairing is provided, which is applied to the control method for energy recovery of the fairing, including: a motor controller, respectively connected to the vehicle controller and the energy recovery device 2, for controlling the energy recovery device 2 to enter a power generation state when the fairing 1 is in the recovery state; a hydraulic controller, respectively connected to the hydraulic device 4 and the vehicle controller, configured to control the hydraulic device 4 to control the opening of the fairing 1 according to the brake pedal opening when the fairing 1 is in the recovery state; a battery pack, connected to the energy recovery device 2, for storing electric energy recovered by the energy recovery device 2; wherein the vehicle controller is also connected to the brake pedal and the accelerator pedal.

[0042] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0043] If the integrated units in the above embodiments are implemented in the form of software functional units and sold or used as independent products, they can be stored in the above computer-readable storage medium. Based on this understanding, the technical solution of the present application, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling one or more electronic devices (such as personal computers, servers, or network devices) to perform all or part of the steps of the methods described in the various embodiments of the present application.

[0044] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0045] In the several embodiments provided in the present application, it should be understood that the disclosed client can be implemented in other ways. Among them, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of units or modules, which can be electrical or other forms.

[0046] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution provided in this embodiment.

[0047] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0048] In the above embodiments of the present application, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0049] The above is only a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A deflector energy recovery device, characterized in that: include: The air deflector comprises a rotating end and a movable end, wherein the rotating end is an end close to the carriage of the new energy commercial vehicle and is rotatably connected to the air deflector bracket, and the rotating end is an end away from the carriage and is movably connected to the top of the cab, and a recovery chamber is formed between the air deflector and the top of the cab; The energy recovery device is arranged in the recovery cavity and fixed to the fairing bracket. When there is a gap between the movable end of the fairing and the top of the cab, the energy recovery device converts the wind energy entering the recovery cavity through the gap into electrical energy.

2. The energy recovery device for a shroud as claimed in claim 1, characterized in that: Also includes: The hydraulic device is arranged in the deflector, and its two ends are respectively fixed to the deflector and connected to the top of the cab, and is used to control the movement of the movable end of the deflector.

3. The energy recovery device for a shroud as claimed in claim 1, characterized in that: The energy recovery device comprises a recovery motor and a motor fan connected to the recovery motor; the rotating surface of the motor fan faces the gap.

4. A control method for energy recovery of a deflector, characterized in that: Applied to the air deflector energy recovery device according to any one of claims 1 to 3, the air deflector includes a recovery state and a diversion state, in which a gap exists between the movable end of the air deflector and the top of the cab, wherein the size of the gap is set to the opening of the air deflector, and the size of the gap is proportional to the opening of the air deflector; in the diversion state, the movable end of the air deflector is connected to the top of the cab; The control method comprises: Get the accelerator pedal opening and brake pedal opening; The state of the air deflector is controlled according to the accelerator pedal opening and the brake pedal opening.

5. The control method for energy recovery of a shroud as claimed in claim 4, characterized in that: The controlling the deflector to be in the recovery state or the deflection state according to the accelerator pedal opening and / or the brake pedal opening comprises: If the accelerator pedal opening is not 0 and the brake pedal opening is 0, the deflector is controlled to be in a deflection state.

6. The control method for energy recovery of a shroud as claimed in claim 4, characterized in that: The controlling the deflector to be in the recovery state or the deflection state according to the accelerator pedal opening and / or the brake pedal opening comprises: If the accelerator pedal opening is 0 and the brake pedal opening is not 0, the deflector is controlled to be in a recovery state.

7. The control method for energy recovery of a shroud as claimed in claim 4, characterized in that: If the brake pedal opening is 0 and the accelerator pedal opening is 0, the deflector is controlled to be in a deflection state.

8. The control method for energy recovery of a shroud as claimed in claim 4, characterized in that: The controlling the state of the air deflector according to the accelerator pedal opening and the brake pedal opening includes: controlling the opening of the air deflector according to the brake pedal opening.

9. The control method for energy recovery of a shroud as claimed in claim 8, characterized in that: The controlling the opening of the air deflector according to the brake pedal opening comprises: The brake pedal opening is proportional to the opening of the air deflector.

10. A control system for energy recovery of a shroud, characterized in that: The control method for energy recovery of a shroud as claimed in claim 4 comprises: a motor controller, connected to the vehicle controller and the energy recovery device, respectively, and used to control the energy recovery device to enter a power generation state when the deflector is in the recovery state; a hydraulic controller, connected to the hydraulic device and the vehicle controller respectively, and configured to control the hydraulic device to control the opening of the deflector according to the brake pedal opening when the deflector is in the recovery state; a battery pack, connected to the energy recovery device and used to store the electric energy recovered by the energy recovery device; Wherein, the whole vehicle control is also connected with the brake pedal and the accelerator pedal.

Images