CN114802493B

CN114802493B - Side flow guide control system, control method and control device thereof, and storage medium

Info

Publication number: CN114802493B
Application number: CN202210410904.6A
Authority: CN
Inventors: 陆思维; 苏海顺; 隰大帅
Original assignee: FAW Jiefang Automotive Co Ltd
Current assignee: FAW Jiefang Automotive Co Ltd
Priority date: 2022-04-19
Filing date: 2022-04-19
Publication date: 2023-03-17
Anticipated expiration: 2042-04-19
Also published as: CN114802493A

Abstract

The application relates to a side draft shield control system, a control method and a control device thereof, and a storage medium. The side cowl control system includes: the side flow guide cover is arranged between a cab and a container of a vehicle and comprises a side flow guide cover fixing part, a side flow guide cover folding part and a turnover mechanism, wherein one side of the turnover mechanism is connected with the cab, and the other side of the turnover mechanism is respectively connected with the side flow guide cover fixing part and the side flow guide cover folding part; wherein, in the initial state, a distance is reserved between the side draft shield and the cargo box, and the folding part of the side draft shield is folded at the inner side of the fixing part of the side draft shield; a detection element provided in a front portion of the cab for detecting an air flow rate and a vehicle speed when the vehicle is running; and a controller for controlling the side cowl folding portion to be turned to a position flush with the side cowl fixing portion and close to the cargo box in case that a target turning time is reached. The side flow guide cover control system can reduce oil consumption.

Description

Side draft shield control system, control method, control device and storage medium thereof

Technical Field

The present invention relates to the field of side flow guide technology, and in particular, to a side flow guide control system, a control method thereof, a control device thereof, and a storage medium.

Background

The control of wind resistance has attracted more and more attention as one of the important means for reducing oil consumption in the automobile industry. In order to reduce the wind resistance of the whole vehicle and the oil consumption of the vehicle, a side draft shield is generally installed on the rear side part of a cab of a medium-heavy commercial vehicle.

The side guide casing, also called side guide plate, is an important flow guiding device for commercial vehicles. In the driving process of the vehicle, airflow can be guided to the rear of the vehicle from the front end of the cab along the side part of the cab through the side guide cover, so that the effects of reducing wind resistance and improving the flow guiding effect are achieved. In order to avoid the scratch between the side guide flow cover and the rear container in the turning process of the vehicle, a certain distance is usually reserved between the side guide flow cover and the container.

However, since a distance is left between the side draft shield and the cargo box, when the vehicle runs at a high speed, airflow forms turbulent flow in the middle area between the side draft shield and the cargo box, which affects the airflow of the whole vehicle and the driving wind resistance, resulting in increased oil consumption.

Disclosure of Invention

In view of the above, it is necessary to provide a side cowl control system, a control method thereof, a control device thereof, and a storage medium, which can reduce fuel consumption.

A side draft shield control system comprising:

the side flow guide cover is arranged between a cab and a container of a vehicle and comprises a side flow guide cover fixing part, a side flow guide cover folding part and a turnover mechanism, wherein one side of the turnover mechanism is connected with the cab, and the other side of the turnover mechanism is respectively connected with the side flow guide cover fixing part and the side flow guide cover folding part; wherein, in the initial state, a distance is reserved between the side draft shield and the cargo box, and the folding part of the side draft shield is folded at the inner side of the fixing part of the side draft shield;

a detection element provided in a front portion of the cab for detecting an air flow rate and a vehicle speed when the vehicle is running;

the controller is arranged in the cab, connected with the detection element and used for acquiring oil consumption, air flow rate and vehicle speed, and when the vehicle speed is not lower than a low-speed threshold value and the oil consumption begins to increase, the target overturning time is determined based on the test overturning parameter set, the air flow rate and the vehicle speed; controlling the side draft shield folding part to turn to a position which is flush with the side draft shield fixing part and close to the container under the condition that the target turning time is reached; the test turning parameter set is an air flow rate interval and a vehicle speed interval which are acquired in a test stage in advance and enable the oil consumption state to meet preset conditions.

In one embodiment, the canting mechanism comprises: the fixed bracket comprises a first end and a second end, the first end of the fixed bracket is connected with the cab, and the second end of the fixed bracket is connected with the side flow guide cover fixing part; the overturning bracket is connected with the side flow guide cover folding part; the rotating shaft is arranged between the fixed bracket and the overturning bracket and is respectively connected with the fixed bracket and the overturning bracket; and the controller is also used for controlling the overturning bracket to drive the side guide cover folding part to rotate around the rotating shaft under the condition that the target overturning time is reached.

In one embodiment, the controller is further configured to: when the vehicle speed is not lower than the low-speed threshold value and the oil consumption starts to increase, if the air flow rate and the vehicle speed are not in the test turning parameter set, continuously acquiring the air flow rate and the vehicle speed until any one of the air flow rate and the vehicle speed is in the test turning parameter set; if only the air flow rate is in the test turning parameter set, determining a vehicle speed interval corresponding to the air flow rate in the test turning parameter set, comparing oil consumption at different vehicle speeds in the vehicle speed interval, and determining the vehicle speed with the oil consumption meeting the first low oil consumption condition and the time corresponding to the air flow rate as target turning time; if only the vehicle speed is in the test turning parameter set, determining an air flow rate interval corresponding to the vehicle speed in the test turning parameter set, comparing the oil consumption at different air flow rates in the air flow rate interval, and determining the air flow rate with the oil consumption meeting the second low oil consumption condition and the time corresponding to the vehicle speed as target turning time; and if the air flow rate and the vehicle speed are both in the test turning parameter set, determining the current time corresponding to the air flow rate and the vehicle speed as the target turning time.

In one embodiment, the controller is further configured to control the side cowl folding portion to fold inside the side cowl fixing portion when a vehicle speed is below a low speed threshold.

In one embodiment, the side draft shield control system further comprises a computer device for the testing phase for: under the condition that the side guide cover is in a folded state, obtaining a test air flow rate, a test vehicle speed and test oil consumption when the vehicle runs at a uniform acceleration, and determining at least two first oil consumption change curves based on the obtained test air flow rate, the test vehicle speed and the test oil consumption in the folded state; when the acquired test vehicle speed in the folded state is not lower than the low-speed threshold and the test oil consumption starts to increase, acquiring a test air flow rate, a test vehicle speed and the test oil consumption when the vehicle uniformly accelerates under the condition that the side draft shield is changed from the folded state to the turnover state, and determining at least two second oil consumption change curves based on the acquired test air flow rate, the test vehicle speed and the test oil consumption in the turnover state; and determining a test turning parameter set based on the first oil consumption change curve and the second oil consumption change curve.

A side draft shield control method, the side draft shield is set up between driver's cab and container of the vehicle, the side draft shield includes the fixed part of the side draft shield, folding part of the side draft shield and tilting mechanism, one side of the tilting mechanism is connected with driver's cab, another side of the tilting mechanism is connected with fixed part of the side draft shield, folding part of the side draft shield separately; wherein, in an initial state, a distance is reserved between the side cowl and the cargo box, and the side cowl folding portion is folded at an inner side of the side cowl fixing portion, the method comprising:

acquiring oil consumption, air flow rate and vehicle speed of a vehicle during running, wherein the air flow rate and the vehicle speed are detected by a detection element which is arranged at the front part of a cab;

when the vehicle speed is not lower than the low-speed threshold value and the oil consumption starts to increase, determining target turning time based on the test turning parameter set, the air flow rate and the vehicle speed; the test turning parameter set is an air flow rate interval and a vehicle speed interval which are acquired in a test stage in advance and enable the fuel consumption state to meet preset conditions;

and controlling the side cowl folding portion to be turned to a position flush with the side cowl fixing portion and close to the cargo box in the case that the target turning time is reached.

In one embodiment, the canting mechanism comprises: the fixed bracket comprises a first end and a second end, the first end of the fixed bracket is connected with the cab, and the second end of the fixed bracket is connected with the side flow guide cover fixing part; the turning bracket is connected with the folding part of the side flow guide cover; the rotating shaft is arranged between the fixed bracket and the overturning bracket and is respectively connected with the fixed bracket and the overturning bracket; controlling the side cowl folding portion to flip to a position flush with the side cowl fixing portion and close to the cargo box in a case where the target flipping time is reached, includes: and under the condition that the target overturning time is reached, controlling the overturning bracket to drive the side flow guide cover folding part to rotate around the rotating shaft, and overturning the side flow guide cover folding part to a position which is flush with the side flow guide cover fixing part and close to the container.

In one embodiment, determining the target rollover time based on the set of trial rollover parameters, the air flow rate, and the vehicle speed comprises: if the air flow rate and the vehicle speed are not in the test turning parameter set, continuously acquiring the air flow rate and the vehicle speed until any one of the air flow rate and the vehicle speed is in the test turning parameter set; if only the air flow rate is in the test turning parameter set, determining a vehicle speed interval corresponding to the air flow rate in the test turning parameter set, comparing oil consumption at different vehicle speeds in the vehicle speed interval, and determining the vehicle speed with the oil consumption meeting the first low oil consumption condition and the time corresponding to the air flow rate as target turning time; if only the vehicle speed is in the test turning parameter set, determining an air flow rate interval corresponding to the vehicle speed in the test turning parameter set, comparing the oil consumption at different air flow rates in the air flow rate interval, and determining the air flow rate with the oil consumption meeting the second low oil consumption condition and the time corresponding to the vehicle speed as target turning time; and if the air flow rate and the vehicle speed are both in the test turning parameter set, determining the current time corresponding to the air flow rate and the vehicle speed as the target turning time.

A side draft shield control apparatus comprising:

the acquisition module is used for acquiring oil consumption, air flow rate and vehicle speed when the vehicle runs, wherein the air flow rate and the vehicle speed are obtained through detection of a detection element, and the detection element is arranged at the front part of a cab of the vehicle;

the determining module is used for determining target turning time based on the test turning parameter set, the air flow rate and the vehicle speed when the vehicle speed is not lower than the low-speed threshold and the oil consumption starts to increase; the test turning parameter set is an air flow rate interval and a vehicle speed interval which are acquired in a test stage in advance and enable the fuel consumption state to meet preset conditions;

and the control module is used for controlling the side flow guide folding part to turn to a position which is flush with the side flow guide fixing part and close to the container under the condition that the target turning time is reached.

A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:

and controlling the side cowl folding portion to be turned to a position flush with the side cowl fixing portion and close to the cargo box when the target turning time is reached.

The side draft shield control system comprises a side draft shield fixing part, a side draft shield folding part and a turnover mechanism, wherein one side of the turnover mechanism is connected with a cab, the other side of the turnover mechanism is respectively connected with the side draft shield fixing part and the side draft shield folding part, in an initial state, the side draft shield folding part is folded on the inner side of the side draft shield fixing part, when a vehicle runs, the air flow rate and the vehicle speed of the vehicle during running are detected through a detection element, when the vehicle speed is detected to be not lower than a low speed threshold value and the fuel consumption is detected to start to rise, a target turnover time is determined, and under the condition that the target turnover time is reached, the side draft shield folding part is turned to a position which is flush with the side draft shield fixing part and close to a container through a controller, the distance between the side draft shield and the container can be reduced when the vehicle runs at a high speed, so that a turbulent flow area between the side draft shield and the container can be reduced, and the purposes of reducing wind resistance and reducing the whole vehicle are achieved. In addition, the side guide cover control system, the control method, the control device and the storage medium thereof can determine the target turning time based on the test turning parameter set, so that the accuracy of the target turning time can be improved, and the aims of further reducing the wind resistance of the whole vehicle and reducing the oil consumption are fulfilled.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments or the conventional technologies of the present application, the drawings used in the description of the embodiments or the conventional technologies will be briefly introduced below, it is obvious that the drawings in the description below are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic illustration of a side draft shield control system according to one embodiment;

FIG. 2 is a schematic side flow cap configuration in accordance with one embodiment;

FIG. 3 is a schematic view of the turbulent flow region in a collapsed state of the side shield in one embodiment;

FIG. 4 is a schematic view of the turbulent flow region with the side flow shield in an inverted state according to one embodiment;

FIG. 5 is a schematic view of the turnover mechanism in one embodiment;

FIG. 6 is a schematic side view of an embodiment of a side deflector shield in a folded configuration;

FIG. 7 is a schematic view of a side duct cover in an inverted state according to an embodiment;

FIG. 8 is a schematic flow chart of a side draft shield control method according to an embodiment;

FIG. 9 is a schematic view of a side cowl control system in another embodiment;

FIG. 10 is a schematic flow chart of a side draft shield control method according to another embodiment;

FIG. 11 is a block diagram of a side cowl control apparatus according to an embodiment.

Description of reference numerals: 102-side cowl, 104-detection element, controller-106, 1-cab, 2-side cowl fixed part, 3-turbulent area, 4-cargo box, 5-sensor, 6-side cowl folded part, 7-turnover mechanism, 8-fixed bracket, 9-turnover bracket, and 10-rotation shaft.

Detailed Description

To facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Embodiments of the present application are set forth in the accompanying drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that, as used herein, the terms "first," "second," and the like may be used herein to describe various elements, but these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. In addition, the "connection" in the following embodiments is understood to be "electrical connection", "line connection", "communication connection", or the like, if there is a transfer of electrical signals or data between the connected objects.

As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

In one embodiment, as shown in FIG. 1, a side duct shield control system is provided, comprising:

a side cowl 102, referring to fig. 2 and 3, provided between a cab 1 and a cargo box 4 of a vehicle, the side cowl 102 including a side cowl fixing portion 2, a side cowl folding portion 6, and a turnover mechanism 7, one side of the turnover mechanism 7 being connected to the cab 1, and the other side of the turnover mechanism 7 being connected to the side cowl fixing portion 2 and the side cowl folding portion 6, respectively; wherein, in the initial state, a distance L is left between the side cowl 102 and the cargo box 4, and the side cowl folding portion 6 is folded inside the side cowl fixing portion 2.

The side air guide sleeve 102 in this embodiment can be used for, but not limited to, the rear side of the cab of a medium and heavy commercial vehicle (such as a truck or a tractor), and can also be used for other transportation vehicles (such as a light bus) requiring an air guide device. As shown in fig. 3, when the vehicle travels, a turbulent area 3 is formed between the side cowl 102 and the loading platform 4, and the turbulent area 3 corresponds to a distance L, and the larger the distance L, the larger the turbulent area, the larger the wind resistance.

As shown in fig. 2, the turnover mechanism 7 is disposed inside the side cowl fixing part 2 and the side cowl folding part 6. The side cowl securing portion 2 is provided at a securing position between a side of the cab 1 and a side of the cargo box 4 of the vehicle, and is flush or substantially flush with the side of the cab 1 and the side of the cargo box 4 of the vehicle. The side draft shield folding part 6 is provided at a position forming an angle of 0 to 180 degrees with the inner side of the side draft shield fixing part 2, and is turnably connected to the side draft shield fixing part 2 by a turn-over mechanism 7.

The initial state may be a state in which the vehicle is stopped, or a state in which the vehicle has just started running and the vehicle speed is low. In the initial state, the side duct folding portion 6 is folded inside the side duct fixing portion 2, that is, the side duct folding portion 6 forms an included angle of 0 degree with the inside of the side duct fixing portion 2, which may define that the side duct 102 is folded; while in other states, the side cowl folding portion 6 may be at an angle (an angle greater than 0 degree and not greater than 180 degrees) with the inside of the side cowl fixing portion 2, for example, when the side cowl folding portion 6 is at an angle of 180 degrees with the inside of the side cowl fixing portion 2, that is, the side cowl folding portion 6 is turned to a position flush with the side cowl fixing portion 2 and close to the cargo box 4, and the side cowl folding portion 6 and the side cowl fixing portion 2 are located on the same plane and right behind the side cowl fixing portion 2, it may be defined that the side cowl 102 is turned at this time.

And a detection element 104 provided in a front portion of the cab for detecting an air flow rate and a vehicle speed when the vehicle travels.

As shown in fig. 3, the detecting element 104 may be a sensor 5, and may specifically include a plurality of sensors 5, such as air flow meters, for detecting the flow rate of air around the vehicle body while the vehicle is running in real time; and the speed sensor is used for monitoring the speed of the vehicle in real time during running. The air flow rate is inversely proportional to the wind resistance, and the larger the air flow rate is, the smaller the wind resistance is; the vehicle speed is proportional to the wind resistance, and the greater the vehicle speed, the greater the wind resistance.

The controller 106 is arranged inside the cab 1, connected with the detection element 104, and used for acquiring oil consumption, air flow rate and vehicle speed, and determining target overturning time based on the test overturning parameter set, the air flow rate and the vehicle speed when the vehicle speed is not lower than a low-speed threshold and the oil consumption starts to increase; referring to fig. 4, in the case where the target turning time is reached, the side cowl folding portion 6 is controlled to turn to a position flush with the side cowl fixing portion 2 and close to the cargo box 4; the test turning parameter set is an air flow rate interval and a vehicle speed interval which are acquired in the test stage in advance and enable the fuel consumption state to meet the preset conditions.

The controller 106 may be a control chip that employs wireless communication technologies such as bluetooth communication, wifi communication, zigbee communication, and the like, and at this time, the controller 106 is in communication connection with the detection element 104; the controller 106 may be a control device including a motor, a push rod, and the like, and in this case, the controller 106 is connected to the detection element 104 by a wire.

The low speed threshold is a critical value for determining that the vehicle is driven from a low speed to a high speed, and when the vehicle speed of the vehicle is equal to or greater than the low speed threshold, it is determined that the vehicle is driven at a high speed. The low speed threshold value can be determined according to the experimental stage, and can also be set according to the requirements in practical application. For example, the low speed threshold is 60km/h, when the vehicle speed is less than 60km/h, the folded part of the side cowl remains folded inside the fixed part of the side cowl, when the vehicle speed is equal to or greater than 60km/h, the fuel consumption is continuously judged, if the fuel consumption starts to increase at this time, the wind resistance is large, and therefore, the vehicle running at high speed needs to be controlled so that the fuel consumption is reduced.

The fuel consumption is the number of liters of fuel consumed by an automobile when the automobile travels for a certain distance, and the unit of the commonly used fuel consumption is L/100km (liters/hundred kilometers), namely the number of liters of fuel consumed by traveling for 100 kilometers. The oil consumption can change along with the change of road conditions, vehicle weight, wind resistance, vehicle speed and other factors, and the smaller the oil consumption, the better the fuel economy of the automobile. Most automobiles are equipped with an on-board computer (also called an ECU electronic control unit) having a fuel consumption detection function, and the detected fuel consumption, including the instantaneous fuel consumption and the average fuel consumption when the automobile is running, is displayed by an instrument panel in a cab. Therefore, the controller 106 may retrieve the fuel consumption data from the in-vehicle computer, thereby obtaining the fuel consumption of the vehicle while the vehicle is running.

And the test turning parameter set is an air flow rate interval and a vehicle speed interval which are obtained in the test stage in advance and enable the oil consumption state to meet the preset conditions. The preset condition may be that the oil consumption is decreased until the oil consumption does not decrease after the side flow guide 102 is changed from the folded state to the flipped state, or that the oil consumption is decreased until the oil consumption is decreased to a preset value after the side flow guide 102 is changed from the folded state to the flipped state. The target turning time is the optimal turning time for changing the folded state of the side draft shield 102 into the turning state when the vehicle speed is not lower than the low speed threshold value and the oil consumption begins to rise in the actual driving stage, and the side draft shield folded part 6 is turned over in the target turning time, so that the wind resistance of the whole vehicle can be greatly reduced, the oil consumption can be reduced, and the optimal effect of reducing the oil consumption can be realized.

In the side draft shield control system, the side draft shield comprises a side draft shield fixing part, a side draft shield folding part and a turnover mechanism, one side of the turnover mechanism is connected with a cab, the other side of the turnover mechanism is respectively connected with the side draft shield fixing part and the side draft shield folding part, in an initial state, the side draft shield folding part is folded on the inner side of the side draft shield fixing part, when a vehicle runs, the air flow rate and the vehicle speed of the vehicle during running are detected through a detection element, when the vehicle speed is detected to be not lower than a low speed threshold value and the fuel consumption is detected to start to rise, the target turnover time is determined, and under the condition that the target turnover time is reached, the side draft shield folding part is turned to a position which is flush with the side draft shield fixing part and close to a container through a controller, the distance between the side draft shield and the whole vehicle can be reduced during high-speed running of the vehicle, so that the turbulent flow area between the side draft shield and the container can be reduced, and the purposes of reducing the wind resistance and reducing the fuel consumption are achieved. In addition, the test turning parameter set is an air flow rate interval and a vehicle speed interval which are acquired by the vehicle in a test stage and enable the fuel consumption state to meet a preset condition, and the side guide cover control system determines the target turning time based on the test turning parameter set, so that the accuracy of the target turning time can be improved, and the aims of further reducing the wind resistance of the whole vehicle and reducing the fuel consumption are fulfilled.

In one embodiment, as shown in FIG. 5, canting mechanism 7 comprises: a fixed bracket 8 including a first end and a second end, the first end of the fixed bracket 8 being connected to the cab 1, the second end of the fixed bracket 8 being connected to the side cowl fixing part 2; a turning bracket 9 connected with the side cowl folding portion 6; the rotating shaft 10 is arranged between the fixed support 8 and the overturning support 9 and is respectively connected with the fixed support 8 and the overturning support 9; as shown in fig. 6 and 7, the controller 106 is further configured to control the flipping bracket 9 to rotate the side cowl folding portion 6 about the rotation axis 10 to control the side cowl folding portion 6 to flip to a position flush with the side cowl fixing portion 2 and close to the cargo box 4 in case the target flipping time is reached.

Wherein, as shown in fig. 5, the fixing bracket 8 may be an L-shaped member, that is, the first end and the second end of the fixing bracket 8 are perpendicular to each other. The fixing bracket 8 may also be a member with other shapes, such as an arc shape, which is not limited in this embodiment.

In the embodiment, the overturning mechanism comprises a fixed support, an overturning support and a rotating shaft, the fixed support comprises a first end and a second end, the first end of the fixed support is connected with the cab, the second end of the fixed support is connected with the side flow guide fixing part, the overturning support is connected with the side flow guide folding part, and the purposes that one side of the overturning mechanism is connected with the cab and the other side of the overturning mechanism is respectively connected with the side flow guide fixing part and the side flow guide folding part are achieved; the controller is arranged to control the overturning bracket to rotate around the rotating shaft, so that the purpose that the side flow guide cover folding part is controlled to overturn to the position which is flush with the side flow guide cover fixing part and close to the container through the controller can be achieved.

In one embodiment, the controller 106 is further configured to: when the vehicle speed is not lower than the low-speed threshold value and the oil consumption starts to increase, if the air flow rate and the vehicle speed are not in the test turning parameter set, continuously acquiring the air flow rate and the vehicle speed until any one of the air flow rate and the vehicle speed is in the test turning parameter set; if only the air flow rate is in the test turning parameter set, determining a vehicle speed interval corresponding to the air flow rate in the test turning parameter set, comparing oil consumption at different vehicle speeds in the vehicle speed interval, and determining the vehicle speed with the oil consumption meeting the first low oil consumption condition and the time corresponding to the air flow rate as target turning time; if only the vehicle speed is in the test turning parameter set, determining an air flow rate interval corresponding to the vehicle speed in the test turning parameter set, comparing oil consumption at different air flow rates in the air flow rate interval, and determining the air flow rate with the oil consumption meeting the second low oil consumption condition and the time corresponding to the vehicle speed as target turning time; and if the air flow rate and the vehicle speed are in the test turning parameter set, determining the current time corresponding to the air flow rate and the vehicle speed as the target turning time.

The first low oil consumption condition may be that when the vehicle speed takes a value in a vehicle speed interval corresponding to the air flow rate, the oil consumption takes a minimum value; when the vehicle speed takes a value in a vehicle speed interval corresponding to the air flow rate, the oil consumption is not larger than a predetermined first preset value. The second low fuel consumption condition may be that the fuel consumption takes a minimum value when the air flow rate takes a value in an air flow rate interval corresponding to the vehicle speed; or when the air flow speed takes a value in an air flow speed interval corresponding to the vehicle speed, the oil consumption is not greater than a predetermined second preset value. The first preset value and the second preset value may be set according to specific situations, and may be the same or different, and this embodiment does not limit this.

In this embodiment, by judging whether the vehicle speed and the air flow rate are both in the test turning parameter set when the vehicle speed is not lower than the low speed threshold and the oil consumption starts to increase, the purpose of determining the target turning time based on the test turning parameter set, the air flow rate and the vehicle speed can be achieved.

In one embodiment, the controller 106 is further configured to: when the vehicle speed decreases and falls below the low speed threshold, the side cowl folding portion 6 is controlled to fold to the inside of the side cowl fixing portion 2.

Specifically, the vehicle speed at the time of vehicle running is detected in real time by the detection element, and when it is detected that the vehicle speed decreases and falls below the low speed threshold, the controller 106 controls the side cowl folding portion 6 to fold to the inside of the side cowl fixing portion 2, and the side cowl returns to the folded state.

In the embodiment, the speed of the vehicle during running is detected in real time through the detection element, when the speed of the vehicle is detected to be reduced and lower than a low-speed threshold value, the vehicle is determined to enter a low-speed running state from a high-speed running state, the side guide cover folding part 6 is folded to the inner side of the side guide cover fixing part 2 through the controller 106, so that the side guide cover returns to a folded state, the distance between the side guide cover and a container can be enlarged during low-speed running of the vehicle, and the purpose of avoiding the scratch between the side guide cover and the container during low-speed running and turning of the vehicle can be achieved.

In one embodiment, the side draft shield control system further comprises: computer means for a testing phase for:

under the condition that the side flow guide cover is in a folded state, acquiring a test air flow rate, a test vehicle speed and a test oil consumption when a vehicle uniformly accelerates, and determining at least two first oil consumption change curves based on the acquired test air flow rate, the test vehicle speed and the test oil consumption in the folded state;

when the acquired test vehicle speed in the folded state is not lower than the low-speed threshold and the test oil consumption starts to increase, acquiring a test air flow rate, a test vehicle speed and the test oil consumption when the vehicle uniformly accelerates under the condition that the side draft shield is changed from the folded state to the turnover state, and determining at least two second oil consumption change curves based on the acquired test air flow rate, the test vehicle speed and the test oil consumption in the turnover state;

and determining a test turning parameter set based on the first oil consumption change curve and the second oil consumption change curve.

The test air flow rate and the test vehicle speed are respectively the air flow rate and the vehicle speed when the vehicle runs in uniform acceleration through the detection element in the test stage. The test oil consumption is the oil consumption obtained by the vehicle-mounted computer in the test stage when the vehicle runs at uniform acceleration. And the test air flow rate, the test vehicle speed and the test oil consumption comprise the test air flow rate, the test vehicle speed and the test oil consumption when the vehicle is in an unloaded state and a fully loaded state.

The first oil consumption change curve is used for reflecting the relation between the change of the test oil consumption in the folded state and the test air flow rate and the test vehicle speed. And the second oil consumption change curve is used for reflecting the relation between the change of the test oil consumption in the overturning state and the test air flow rate and the test vehicle speed.

The computer equipment is a terminal connected with the controller and the vehicle-mounted computer, is arranged outside the vehicle and is used for analyzing the oil consumption change in the test stage. The computer equipment is connected with the controller, obtains the test air flow rate, the test vehicle speed and the test oil consumption when the vehicle runs at uniform acceleration, and stores the determined test overturning parameter set to the vehicle-mounted computer through the controller.

In one embodiment, as shown in fig. 8, there is provided a side cowl control method performed by a controller provided inside a cab of a vehicle, the side cowl being provided between the cab and a cargo box, the side cowl including a side cowl fixing portion, a side cowl folding portion, and a turnover mechanism, one side of the turnover mechanism being connected to the cab, and the other side of the turnover mechanism being connected to the side cowl fixing portion and the side cowl folding portion, respectively; wherein, in an initial state, a distance is reserved between the side cowl and the cargo box, and the side cowl folding portion is folded inside the side cowl fixing portion, the method comprising:

and step 802, acquiring the oil consumption, the air flow rate and the vehicle speed of the vehicle during running, wherein the air flow rate and the vehicle speed are obtained by detecting through a detecting element, and the detecting element is arranged at the front part of the cab.

The detection element can be a sensor, and particularly can comprise a plurality of sensors, such as air flow meters, for detecting the flow rate of air around the vehicle body when the vehicle runs in real time; and the speed sensor is used for monitoring the speed of the vehicle in real time during running. The air flow rate is inversely proportional to the wind resistance, and the larger the air flow rate is, the smaller the wind resistance is; the vehicle speed is proportional to the wind resistance, and the greater the vehicle speed, the greater the wind resistance.

The oil consumption is the fuel oil consumption, which refers to the number of liters of fuel oil consumed by an automobile when the automobile runs for a certain mileage, and the unit of the commonly used fuel oil consumption is L/100km, namely the number of liters of fuel oil consumed when the automobile runs for 100 kilometers. The oil consumption can change along with the change of road conditions, vehicle weight, wind resistance, vehicle speed and other factors, and the smaller the oil consumption, the better the fuel economy of the automobile. Most automobiles are equipped with a vehicle-mounted computer, have a fuel consumption detection function, and display the detected fuel consumption through an instrument panel of a cab, including instantaneous fuel consumption and average fuel consumption when the automobile runs.

Specifically, the controller calls oil consumption data from the vehicle-mounted computer to obtain the oil consumption of the vehicle during running; and obtains the air flow rate and the vehicle speed at the time of running of the vehicle detected by a detection element provided at the front of the cab.

Step 804, when the vehicle speed is not lower than the low-speed threshold value and the oil consumption starts to increase, determining a target turning time based on the test turning parameter set, the air flow rate and the vehicle speed; the test turning parameter set is an air flow rate interval and a vehicle speed interval which are acquired in a test stage in advance and enable the oil consumption state to meet preset conditions.

The low-speed threshold value is a critical value for determining that the vehicle runs from a low speed to a high speed, and when the speed of the vehicle is equal to or greater than the low-speed threshold value, the vehicle is determined to run at the high speed. The low speed threshold value can be determined according to the experimental stage, and can also be set according to the requirements in practical application.

The experimental overturning parameter set is an air flow rate interval and a vehicle speed interval which are acquired in advance in an experimental stage and enable the oil consumption state to meet preset conditions, wherein the preset conditions can be that the oil consumption is always reduced until the oil consumption is not reduced after the side flow guide cover is changed from a folded state to an overturning state, or can be that the oil consumption is always reduced and is reduced to a certain preset value after the side flow guide cover is changed from the folded state to the overturning state.

The target turning time is the optimal turning time for changing the folded state of the side flow guide cover into the turning state when the vehicle speed is not lower than the low-speed threshold value and the oil consumption starts to rise in the actual driving stage, and the folded part of the side flow guide cover is turned over in the target turning time, so that the wind resistance of the whole vehicle can be greatly reduced, the oil consumption can be reduced, and the optimal effect of reducing the oil consumption can be realized.

Specifically, when vehicle speed increases and is not below a low speed threshold and fuel consumption begins to increase, the controller determines a target rollover time based on the set of trial rollover parameters, the air flow rate, and the vehicle speed.

At 806, the side cowl fold is controlled to be flipped to a position flush with the side cowl fold and adjacent the cargo container when the target flipping time is reached.

Wherein the controller controls the side cowl folding portion to be flipped to a position flush with the side cowl fixing portion and close to the cargo box in a case where the target flipping time is reached.

According to the side draft shield control method, by detecting the oil consumption, the air flow rate and the vehicle speed when the vehicle runs, when the vehicle speed is detected to be not lower than a low-speed threshold value and the oil consumption is detected to start to rise, the target turning time is determined, and under the condition that the target turning time is reached, the folded part of the side draft shield is turned to the position which is flush with the fixed part of the side draft shield and close to the container through the controller, the distance between the side draft shield and the container can be reduced when the vehicle runs at a high speed, so that the turbulent flow area between the side draft shield and the container can be reduced, and the purposes of reducing the wind resistance of the whole vehicle and reducing the oil consumption are achieved. In addition, the test turning parameter set is an air flow rate interval and a vehicle speed interval which are acquired by the vehicle in the test stage and enable the fuel consumption state to meet the preset condition, and the side flow guide cover control method determines the target turning time based on the test turning parameter set, so that the accuracy of the target turning time can be improved, and the aims of further reducing the wind resistance of the whole vehicle and reducing the fuel consumption are fulfilled.

In one embodiment, the canting mechanism comprises: the fixed support comprises a first end and a second end, the first end of the fixed support is connected with the cab, and the second end of the fixed support is connected with the side flow guide fixing part; the overturning bracket is connected with the side flow guide cover folding part; the rotating shaft is arranged between the fixed bracket and the overturning bracket and is respectively connected with the fixed bracket and the overturning bracket; controlling the side cowl folding portion to flip to a position flush with the side cowl fixing portion and close to the cargo box in a case where the target flipping time is reached, includes:

and under the condition that the target overturning time is reached, controlling the overturning bracket to drive the side draft shield folding part to rotate around the rotating shaft, and overturning the side draft shield folding part to a position which is flush with the side draft shield fixing part and close to the container.

Specifically, when the target turning time is reached, the controller controls the turning bracket to drive the side cowl folding portion to rotate around the rotating shaft, and the side cowl folding portion is turned to a position which is flush with the side cowl fixing portion and close to the cargo box.

In this embodiment, the turnover mechanism is controlled to rotate around the rotating shaft, the turnover mechanism comprises a fixing support, a turnover support and the rotating shaft, the fixing support comprises a first end and a second end, the first end of the fixing support is connected with the cab, the second end of the fixing support is connected with the side airflow guide fixing part, the turnover support is connected with the side airflow guide folding part, and the purpose of controlling the side airflow guide folding part to turn to a position which is flush with the side airflow guide fixing part and close to the cargo box can be achieved.

In one embodiment, determining the target rollover time based on the set of trial rollover parameters, the air flow rate, and the vehicle speed comprises: if the air flow rate and the vehicle speed are not in the test turning parameter set, continuously acquiring the air flow rate and the vehicle speed until any one of the air flow rate and the vehicle speed is in the test turning parameter set; if only the air flow rate is in the test turning parameter set, determining a vehicle speed interval corresponding to the air flow rate in the test turning parameter set, comparing oil consumption at different vehicle speeds in the vehicle speed interval, and determining the vehicle speed with the oil consumption meeting the first low oil consumption condition and the time corresponding to the air flow rate as target turning time; if only the vehicle speed is in the test turning parameter set, determining an air flow rate interval corresponding to the vehicle speed in the test turning parameter set, comparing oil consumption at different air flow rates in the air flow rate interval, and determining the air flow rate with the oil consumption meeting the second low oil consumption condition and the time corresponding to the vehicle speed as target turning time; and if the air flow rate and the vehicle speed are both in the test turning parameter set, determining the current time corresponding to the air flow rate and the vehicle speed as the target turning time.

The first low oil consumption condition may be that the oil consumption takes a minimum value when the vehicle speed takes a value in a vehicle speed interval corresponding to the air flow rate; when the vehicle speed takes a value in a vehicle speed interval corresponding to the air flow rate, the oil consumption is not larger than a predetermined first preset value. The second low fuel consumption condition may be that the fuel consumption takes a minimum value when the air flow rate takes a value in an air flow rate interval corresponding to the vehicle speed; or when the air flow speed takes a value in an air flow speed interval corresponding to the vehicle speed, the oil consumption is not greater than a predetermined second preset value. The first preset value and the second preset value may be set according to specific situations, and may be the same or different, and this embodiment does not limit this.

Specifically, if the air flow rate and the vehicle speed are not in the test turning parameter set, the controller continues to acquire the air flow rate and the vehicle speed until any one of the air flow rate and the vehicle speed is in the test turning parameter set; if only the air flow rate is in the test turning parameter set, the controller determines a vehicle speed interval corresponding to the air flow rate in the test turning parameter set, compares the oil consumption at different vehicle speeds in the vehicle speed interval, and determines the vehicle speed with the oil consumption meeting the first low oil consumption condition and the time corresponding to the air flow rate as the target turning time; if only the vehicle speed is in the test turning parameter set, the controller determines an air flow rate interval corresponding to the vehicle speed in the test turning parameter set, compares the oil consumption at different air flow rates in the air flow rate interval, and determines the air flow rate with the oil consumption meeting the second low oil consumption condition and the time corresponding to the vehicle speed as the target turning time; and if the air flow rate and the vehicle speed are in the test turning parameter set, the controller determines the current time corresponding to the air flow rate and the vehicle speed as the target turning time.

In this embodiment, the purpose of determining the target turning time based on the test turning parameter set, the air flow rate and the vehicle speed can be achieved by judging whether the vehicle speed and the air flow rate are both in the test turning parameter set.

In one embodiment, after controlling the side cowl folding portion to be turned to a position flush with the side cowl fixing portion and close to the cargo box in a case where the target turning time is reached, the side cowl control method further includes: when the vehicle speed decreases and is lower than the low speed threshold, the side cowl folding portion is controlled to be folded to the inside of the side cowl fixing portion.

Specifically, when the vehicle speed decreases and is lower than the low speed threshold, the controller controls the side cowl folding portion to fold to the inside of the side cowl fixing portion.

In this embodiment, when the vehicle speed is reduced and is lower than the low-speed threshold value, the side draft shield folding portion is folded to the inner side of the side draft shield fixing portion, so that the side draft shield returns to the folded state, the distance between the side draft shield and the container can be enlarged when the vehicle runs at a low speed, and the purpose of preventing the side draft shield from being scratched with the container when the vehicle runs at a low speed and turns can be achieved.

In one embodiment, in the trial phase, a method of determining a trial rollover parameter set includes:

through computer equipment, under the condition that the side draft shield is in a folded state, acquiring a test air flow rate, a test vehicle speed and test oil consumption when a vehicle uniformly accelerates, and determining at least two first oil consumption change curves based on the acquired test air flow rate, the test vehicle speed and the test oil consumption in the folded state;

when the acquired test vehicle speed in the folded state is not lower than the low-speed threshold and the test fuel consumption starts to rise, controlling the side draft shield folding part to turn to a position which is flush with the side draft shield fixing part and close to the container;

through computer equipment, under the condition that the side draft shield is in a turning state, acquiring a test air flow rate, a test vehicle speed and a test oil consumption when the vehicle uniformly accelerates, and determining at least two second oil consumption change curves based on the acquired test air flow rate, the test vehicle speed and the test oil consumption in the turning state;

and determining a test turning parameter set based on the first oil consumption change curve and the second oil consumption change curve through computer equipment.

The computer equipment is a terminal connected with the controller and the vehicle-mounted computer, is arranged outside the vehicle and is used for analyzing the oil consumption change in the test stage. The computer equipment is connected with the controller, so that the test air flow rate, the test vehicle speed and the test oil consumption when the vehicle runs at uniform acceleration are obtained, the determined test turning parameter set is stored in the vehicle-mounted computer through the controller, and therefore in the actual running process of the vehicle, the controller can determine the target turning time according to the test turning parameter set, the air flow rate and the vehicle speed and control the side guide flow cover.

Specifically, in a test stage, under the condition that the side draft hood is in a folded state, test air flow rate, test vehicle speed and test oil consumption when the vehicle runs uniformly at an accelerated speed are obtained through computer equipment, and at least two first oil consumption change curves are determined based on the test air flow rate, the test vehicle speed and the test oil consumption; when the test vehicle speed is not lower than the low speed threshold and the test fuel consumption begins to increase, the controller controls the side cowl folding portion to flip to a position flush with the side cowl fixing portion and close to the cargo box.

Under the condition that the side draft hood is in a turning state, obtaining a test air flow rate, a test vehicle speed and test oil consumption when the vehicle runs uniformly and quickly through computer equipment, and determining at least two second oil consumption change curves based on the test air flow rate, the test vehicle speed and the test oil consumption; and determining a test turning parameter set based on the first oil consumption change curve and the second oil consumption change curve through computer equipment.

In this embodiment, a plurality of oil consumption change curves are determined by the computer device, and the oil consumption change curves are analyzed, so that the purpose of determining the test turning parameter set can be achieved. In addition, the accuracy of the test result, namely the accuracy of the test overturning parameter set can be improved by testing the empty state and the full state of the vehicle. In addition, through many times of tests, at least two first oil consumption change curves and at least two second oil consumption change curves are obtained, and the reliability of a test result can be improved, namely the reliability of a test turning parameter set can be improved.

It should be understood that, although the steps in the flowchart of fig. 8 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a portion of the steps in fig. 8 may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the steps or stages is not necessarily sequential, but may be performed alternately or alternatively with other steps or at least a portion of the steps or stages in other steps.

In one embodiment, as shown in fig. 9, there is provided a side duct cover control system comprising: the side guide cover comprises a side guide cover fixing part, a side guide cover folding part and a turnover mechanism, wherein the turnover mechanism comprises a fixing support, a turnover support and a rotating shaft; the control system includes a controller and a sensor.

One side of the turnover mechanism is connected with a cab of a vehicle, and the other side of the turnover mechanism is respectively connected with the side flow guide fixing part and the side flow guide folding part. Specifically, the fixed support is connected with the side guide cover fixed part, the overturning support is connected with the side guide cover folding part, and the overturning support can drive the side guide cover folding part to rotate around the rotating shaft to realize overturning of the side guide cover folding part.

When the side draft shield is in a folded state, the folded part of the side draft shield is turned to the inner side of the fixed part of the side draft shield along with the turning support, and the distance between the side draft shield and the container is larger, so that the side draft shield and the container can be prevented from being cut and rubbed during low-speed running and turning of a vehicle; however, at this time, the turbulent flow area between the side draft shield and the cargo box is large, the wind resistance of the whole vehicle is increased, and the oil consumption is increased. When the side draft shield is in a turning state, the folding part of the side draft shield turns to a state flush with the fixing part of the side draft shield along with the turning support around the rotating shaft, and at the moment, the distance between the side draft shield and the container is reduced, so that the turbulent flow area between the side draft shield and the container can be reduced, and the purposes of reducing the wind resistance of the whole vehicle and reducing the oil consumption are achieved.

The control system consists of a controller and a sensor. The sensor is positioned at the front part of the cab and used for measuring the windward air flow rate and the vehicle speed when the vehicle runs; the controller is positioned in the cab and is responsible for storing and processing the data and signals received by the sensor.

In one embodiment, as shown in fig. 10, there is provided a side cowl control method applied to a side cowl control system as shown in fig. 9, a side cowl initial state being that a side cowl folding portion is folded inside a side cowl fixing portion, the method including:

1. the sensor detects the air flow rate and the vehicle speed when the vehicle runs;

2. the controller analyzes the acquired signals;

3. when the vehicle speed rises to be higher than 60km/h, identifying whether the current fuel consumption rises; the collected signals comprise the air flow rate and the vehicle speed when the sensor detects the vehicle runs; if the current oil consumption is not increased, continuously acquiring signals until the oil consumption is increased;

4. if the current oil consumption starts to rise, the controller sends an instruction through a test or calibration result when the vehicle speed reaches a certain value, and controls the folding part of the side flow guide cover to turn to be in a state of being flush with the fixed part of the side flow guide cover so as to achieve the purpose of reducing the distance between the side flow guide cover and the container;

5. the controller analyzes the collected signals, when the vehicle speed is reduced to 60km/h, the controller sends out an instruction to control the folding part of the side flow guide cover to be folded to the inner side of the fixing part of the side flow guide cover and return to the initial state of the side flow guide cover, and the controller stops working.

When the vehicle runs at a low speed, the vehicle may turn greatly in order to run in a city area or at a non-high speed, and under the circumstance, in order to avoid scratch between the side guide cover and the container during turning, the folding part of the side guide cover is not allowed to turn over; when the vehicle runs at a high speed, the speed is high, and the situation of large turning cannot occur. Therefore, when the set vehicle speed is not higher than 60km/h, the controller does not work, the side draft shield folding part cannot be turned over, and when the vehicle speed is higher than 60km/h, the controller sends out an instruction to control the side draft shield folding part to turn over when the vehicle speed reaches a certain value through test or calibration results and vehicle real-time data.

It should be specifically noted that, the controller mentioned in this embodiment is wireless control, that is, the manner of rotating the folded portion of the side flow guide and the turning support around the rotation axis is not specifically described in this embodiment, and the controller may be a motor, a push rod, or other manners capable of driving the turning support, and the technical feature of being capable of achieving the effect of turning the folded portion of the side flow guide falls within the protection scope of this application.

Specifically, the method of determining the test or calibration results is as follows: in the vehicle test stage, in a test field or a test room, the vehicle is driven to accelerate uniformly (such as 0-120 km/h) aiming at the two states of no load and full load of the vehicle, and the vehicle-mounted computer records the air flow rate and the corresponding oil consumption in each stage. And the computer equipment acquires the air flow rate and the corresponding oil consumption of each stage recorded by the vehicle-mounted computer and forms a corresponding oil consumption change curve. And when the vehicle speed reaches above 60km/h and the oil consumption begins to rise, turning over the folded part of the side flow guide cover, and simultaneously recording the corresponding air flow rate and the corresponding oil consumption again by the vehicle-mounted computer. And the computer equipment acquires the air flow rate and the corresponding oil consumption of each stage in the turning state recorded by the vehicle-mounted computer and forms a corresponding oil consumption change curve. Through a plurality of tests, the computer equipment forms a plurality of oil consumption change curves, analyzes the plurality of oil consumption change curves, finally obtains a vehicle speed and air flow rate interval in the best oil consumption state, namely a test or calibration result, and stores the test or calibration result into a vehicle computer. When the vehicle actually runs, the sensor measures and records the real-time vehicle speed and the air flow rate, and the optimal turning time of the folding part of the side guide cover is judged by combining a test or calibration result stored in the vehicle-mounted computer, so that the distance between the side guide cover and the container can be obviously reduced, the aims of reducing wind resistance and oil consumption are fulfilled, and the fuel economy of the vehicle is improved to the maximum extent.

In one embodiment, as shown in fig. 11, a side duct cover control apparatus 1100 is provided, comprising: an obtaining module 1102, a determining module 1104, and a control module 1106, wherein:

the obtaining module 1102 is used for obtaining oil consumption, air flow rate and vehicle speed when the vehicle runs, wherein the air flow rate and the vehicle speed are obtained through detection of a detection element, and the detection element is arranged at the front part of a cab of the vehicle.

A determination module 1104 for determining a target rollover time based on the test rollover parameter set, the air flow rate, and the vehicle speed when the vehicle speed is not less than the low-speed threshold and the fuel consumption begins to increase; the test turning parameter set is an air flow rate interval and a vehicle speed interval which are acquired in the test stage in advance and enable the fuel consumption state to meet the preset conditions.

A control module 1106 for controlling the side cowl fold to flip to a position flush with the side cowl fold and adjacent the cargo container if the target flip time is reached.

In one embodiment, the control module 1106 is further configured to control the inversion bracket to rotate the side cowl fold about the axis of rotation to invert the side cowl fold to a position flush with the side cowl anchor and proximate the cargo container when the target inversion time is reached.

In one embodiment, the determining module 1104 is further configured to continue to obtain the air flow rate and the vehicle speed if neither the air flow rate nor the vehicle speed is in the set of trial inversion parameters until either one of the air flow rate and the vehicle speed is in the set of trial inversion parameters; if only the air flow rate is in the test turning parameter set, determining a vehicle speed interval corresponding to the air flow rate in the test turning parameter set, comparing oil consumption at different vehicle speeds in the vehicle speed interval, and determining the vehicle speed with the oil consumption meeting the first low oil consumption condition and the time corresponding to the air flow rate as target turning time; if only the vehicle speed is in the test turning parameter set, determining an air flow rate interval corresponding to the vehicle speed in the test turning parameter set, comparing the oil consumption at different air flow rates in the air flow rate interval, and determining the air flow rate with the oil consumption meeting the second low oil consumption condition and the time corresponding to the vehicle speed as target turning time; and if the air flow rate and the vehicle speed are both in the test turning parameter set, determining the current time corresponding to the air flow rate and the vehicle speed as the target turning time.

In one embodiment, the control module 1106 is further configured to control the side cowl fold portion to fold inboard of the side cowl fixed portion when the vehicle speed decreases below a low speed threshold.

In one embodiment, the determining module 1104 is further configured to, in a test phase, obtain a test air flow rate, a test vehicle speed, and a test oil consumption when the vehicle travels uniformly with an accelerated speed under a condition that the side cowl is in a folded state by using a computer device, and determine at least two first oil consumption change curves based on the test air flow rate, the test vehicle speed, and the test oil consumption, where the first oil consumption change curves are used to reflect a relationship between a change of the test oil consumption in the folded state and the test air flow rate and the test vehicle speed; when the test vehicle speed is not lower than the low speed threshold value and the test fuel consumption begins to rise, controlling the folding part of the side flow guide cover to turn to a position which is flush with the fixing part of the side flow guide cover and close to the container; through computer equipment, under the condition that the side draft shield is in a turning state, obtaining a test air flow rate, a test vehicle speed and test oil consumption when a vehicle uniformly accelerates, and determining at least two second oil consumption change curves based on the test air flow rate, the test vehicle speed and the test oil consumption, wherein the second oil consumption change curves are used for reflecting the relation between the test oil consumption change in the turning state and the test air flow rate and the test vehicle speed; and determining a test turning parameter set based on the first oil consumption change curve and the second oil consumption change curve through computer equipment.

For specific definition of the side flow cover control device, reference may be made to the definition of the side flow cover control method above, and details are not repeated here. The various modules in the side flow shield control apparatus described above may be implemented in whole or in part by software, hardware, and combinations thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules. It should be noted that, in the embodiment of the present application, the division of the module is schematic, and is only one logic function division, and there may be another division manner in actual implementation.

In an embodiment, a computer-readable storage medium is provided, on which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of the above-mentioned method embodiments.

It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above may be implemented by hardware instructions of a computer program, which may be stored in a non-volatile computer-readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. Any reference to memory, storage, database or other medium used in the embodiments provided herein can include at least one of non-volatile and volatile memory. Non-volatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical storage, or the like. Volatile Memory can include Random Access Memory (RAM) or external cache Memory. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others.

Claims

1. A side draft gear control system, comprising:

the side flow guide cover is arranged between a cab and a container of a vehicle and comprises a side flow guide cover fixing part, a side flow guide cover folding part and a turnover mechanism, wherein one side of the turnover mechanism is connected with the cab, and the other side of the turnover mechanism is respectively connected with the side flow guide cover fixing part and the side flow guide cover folding part; wherein, in an initial state, a distance is reserved between the side draft gear and the cargo box, and the side draft gear folding part is folded at the inner side of the side draft gear fixing part;

the controller is arranged in the cab, connected with the detection element and used for acquiring the oil consumption, the air flow rate and the vehicle speed, and when the vehicle speed is not lower than a low-speed threshold value and the oil consumption starts to increase, if the air flow rate and the vehicle speed are not in a test turning parameter set, the air flow rate and the vehicle speed are continuously acquired until any one of the air flow rate and the vehicle speed is in the test turning parameter set; if only the air flow rate is in the test turning parameter set, determining a vehicle speed interval corresponding to the air flow rate in the test turning parameter set, comparing oil consumption at different vehicle speeds in the vehicle speed interval, and determining the vehicle speed with the oil consumption meeting a first low oil consumption condition and the time corresponding to the air flow rate as target turning time; if only the vehicle speed is in the test turning parameter set, determining an air flow rate interval corresponding to the vehicle speed in the test turning parameter set, comparing the oil consumption at different air flow rates in the air flow rate interval, and determining the air flow rate with the oil consumption meeting a second low oil consumption condition and the time corresponding to the vehicle speed as target turning time; if the air flow rate and the vehicle speed are in a test turning parameter set, determining the current time corresponding to the air flow rate and the vehicle speed as target turning time; controlling the side cowl folding portion to flip to a position flush with the side cowl fixing portion and close to the cargo box in a case where the target flipping time is reached; the test turning parameter set is an air flow rate interval and a vehicle speed interval which are acquired in a test stage in advance and enable the fuel consumption state to meet preset conditions.

2. The system of claim 1, wherein the flipping mechanism comprises:

the fixed bracket comprises a first end and a second end, the first end of the fixed bracket is connected with the cab, and the second end of the fixed bracket is connected with the side flow guide cover fixing part;

a roll-over bracket connected to the side cowl fold;

the rotating shaft is arranged between the fixed bracket and the overturning bracket and is respectively connected with the fixed bracket and the overturning bracket;

the controller is further configured to control the turning bracket to drive the side cowl folding portion to rotate around the rotation axis when the target turning time is reached.

3. The system of claim 1, wherein the controller is further configured to control the side cowl folding portion to fold inside the side cowl fixing portion when the vehicle speed decreases below the low speed threshold.

4. A system according to any one of claims 1 to 3, characterized in that it further comprises computer means for a test phase for:

under the condition that the side guide cover is in a folded state, obtaining a test air flow rate, a test vehicle speed and test oil consumption when the vehicle runs at a uniform acceleration, and determining at least two first oil consumption change curves based on the obtained test air flow rate, the test vehicle speed and the test oil consumption in the folded state;

when the acquired test vehicle speed in the folded state is not lower than the low-speed threshold and the test oil consumption starts to increase, acquiring a test air flow rate, a test vehicle speed and the test oil consumption when the vehicle uniformly accelerates under the condition that the side draft shield is changed from the folded state to the turned state, and determining at least two second oil consumption change curves based on the acquired test air flow rate, the test vehicle speed and the test oil consumption in the turned state;

5. A side draft gear control method is characterized in that a side draft gear is arranged between a cab and a container of a vehicle and comprises a side draft gear fixing part, a side draft gear folding part and a turnover mechanism, wherein one side of the turnover mechanism is connected with the cab, and the other side of the turnover mechanism is respectively connected with the side draft gear fixing part and the side draft gear folding part; wherein, in an initial state, a distance remains between the side cowl and the cargo box, and the side cowl folding portion is folded inside the side cowl fixing portion, the method comprising:

acquiring oil consumption, air flow rate and vehicle speed when a vehicle runs, wherein the air flow rate and the vehicle speed are obtained by detection of a detection element, and the detection element is arranged at the front part of the cab;

when the vehicle speed is not lower than a low-speed threshold value and the oil consumption starts to increase, if the air flow rate and the vehicle speed are not in a test turning parameter set, continuously acquiring the air flow rate and the vehicle speed until any one of the air flow rate and the vehicle speed is in the test turning parameter set; if only the air flow rate is in the test turning parameter set, determining a vehicle speed interval corresponding to the air flow rate in the test turning parameter set, comparing oil consumption at different vehicle speeds in the vehicle speed interval, and determining a vehicle speed with the oil consumption meeting a first low oil consumption condition and a time corresponding to the air flow rate as target turning time; if only the vehicle speed is in the test turning parameter set, determining an air flow rate interval corresponding to the vehicle speed in the test turning parameter set, comparing the oil consumption at different air flow rates in the air flow rate interval, and determining the air flow rate with the oil consumption meeting a second low oil consumption condition and the time corresponding to the vehicle speed as target turning time; if the air flow rate and the vehicle speed are in a test turning parameter set, determining the current time corresponding to the air flow rate and the vehicle speed as target turning time; the test overturning parameter set is an air flow rate interval and a vehicle speed interval which are acquired in a test stage in advance and enable the fuel consumption state to meet preset conditions;

and controlling the side draft shield folding part to turn to a position which is flush with the side draft shield fixing part and close to the container under the condition that the target turning time is reached.

6. The method of claim 5, wherein the flipping mechanism comprises: the fixed support comprises a first end and a second end, the first end of the fixed support is connected with the cab, and the second end of the fixed support is connected with the side flow guide cover fixed part; a turning bracket connected with the side cowl folding part; the rotating shaft is arranged between the fixed support and the overturning support and is respectively connected with the fixed support and the overturning support; controlling the side cowl folded portion to be flipped to a position flush with the side cowl fixed portion and close to the cargo box when the target flipping time is reached, including:

and under the condition that the target turning time is reached, controlling the turning support to drive the side draft shield folding part to rotate around the rotating shaft, and turning the side draft shield folding part to a position which is parallel and level to the side draft shield fixing part and close to the container.

7. The method of claim 5, wherein after controlling the side cowl fold portion to flip to a position flush with the side cowl fixed portion and proximate to the cargo box upon reaching the target flip time, the method further comprises:

controlling the side cowl folding portion to fold to an inner side of the side cowl fixing portion when a vehicle speed decreases and is lower than a low speed threshold.

8. A side draft shield control apparatus, comprising:

the acquiring module is used for acquiring oil consumption, air flow rate and vehicle speed when the vehicle runs, wherein the air flow rate and the vehicle speed are obtained through detection of a detecting element, and the detecting element is arranged at the front part of a cab of the vehicle;

the determining module is used for continuously acquiring the air flow rate and the vehicle speed until any one of the air flow rate and the vehicle speed is in a test turning parameter set if the air flow rate and the vehicle speed are not in the test turning parameter set when the vehicle speed is not lower than a low-speed threshold and the oil consumption starts to increase; if only the air flow rate is in the test turning parameter set, determining a vehicle speed interval corresponding to the air flow rate in the test turning parameter set, comparing oil consumption at different vehicle speeds in the vehicle speed interval, and determining the vehicle speed with the oil consumption meeting a first low oil consumption condition and the time corresponding to the air flow rate as target turning time; if only the vehicle speed is in the test turning parameter set, determining an air flow rate interval corresponding to the vehicle speed in the test turning parameter set, comparing oil consumption at different air flow rates in the air flow rate interval, and determining the air flow rate with the oil consumption meeting a second low oil consumption condition and the time corresponding to the vehicle speed as target turning time; if the air flow rate and the vehicle speed are in a test turning parameter set, determining the current time corresponding to the air flow rate and the vehicle speed as target turning time; the test turning parameter set is an air flow rate interval and a vehicle speed interval which are obtained in a test stage in advance and enable the oil consumption state to meet preset conditions;

9. The apparatus of claim 8, wherein the flipping mechanism comprises: the fixed support comprises a first end and a second end, the first end of the fixed support is connected with the cab, and the second end of the fixed support is connected with the side flow guide cover fixed part; a roll-over bracket connected to the side cowl fold; the rotating shaft is arranged between the fixed bracket and the overturning bracket and is respectively connected with the fixed bracket and the overturning bracket; the control module is further used for controlling the overturning bracket to drive the side draft shield folding part to rotate around the rotating shaft under the condition that the target overturning time is reached, and overturning the side draft shield folding part to be parallel and level with the side draft shield fixing part and close to the position of the container.

10. The apparatus of claim 8, wherein the control module is further configured to control the side cowl fold portion to fold inboard of the side cowl fixed portion when a vehicle speed decreases below a low speed threshold.

11. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 5 to 7.