Suspension adjusting method, controller, medium, program product and vehicle

Abstract

The invention relates to a suspension adjusting method, a controller, a medium, a program product and a vehicle, and the method comprises the steps: obtaining a tail door opening and closing state of a vehicle tail door; and according to the opening and closing state of the tail door, the suspension height of the vehicle is adjusted, and the vehicle using convenience is improved.

Description

Technical Field

[0001] The present application relates to the field of suspension control, and in particular to a suspension adjustment method, a controller, a medium, a program product and a vehicle. Background Art

[0002] With the continuous development of the automobile industry, people have higher and higher requirements for the convenience and comfort of automobiles. The active suspension adjustment system has gradually become one of the key technologies to improve the comfort and handling of vehicles. The active suspension adjustment system can adjust the stiffness, damping and height of the suspension in real time according to the vehicle's operating status and road conditions, thereby providing the best driving performance under different driving conditions. At present, the control of active suspension is mostly used to reduce the degree of vehicle driving bumps, lacking consideration of vehicle usage scenarios, making the suspension adjustment relatively simple and the convenience of vehicle use poor. Summary of the invention

[0003] The embodiments of the present application provide a suspension adjustment method, a controller, a medium, a program product and a vehicle, which improve the convenience of vehicle use and at least partially solve the above-mentioned technical problems.

[0004] In order to achieve the above object, according to a first aspect of the present application, a suspension adjustment method is provided, the suspension adjustment method comprising: Get the tailgate switch status of the vehicle's tailgate; The suspension height of the vehicle is adjusted according to the tailgate switch state.

[0005] Optionally, obtaining the tailgate switch status of the vehicle tailgate includes: The tailgate switch state is obtained through a hard-wire switch of the tailgate.

[0006] Optionally, the method further comprises: When a voltage proportion of the first battery of the vehicle is greater than a preset voltage proportion, a suspension height of the vehicle is adjusted according to a state of the tailgate switch.

[0007] Optionally, the method further comprises: When the voltage proportion of the first battery of the vehicle is greater than a preset voltage proportion, obtaining a voltage value of the second battery of the vehicle; When the voltage value of the second battery is greater than a target preset voltage threshold, the suspension height of the vehicle is adjusted according to the tailgate switch state.

[0008] Optionally, the step of determining the target preset voltage threshold comprises: Acquire an ambient temperature corresponding to the second battery; The target preset voltage threshold is determined according to the ambient temperature.

[0009] Optionally, determining the target preset voltage threshold according to the ambient temperature includes: According to the correspondence between the preset temperature range and the preset voltage threshold, the target preset voltage threshold corresponding to the ambient temperature is determined.

[0010] Optionally, the preset temperature range includes a first temperature range and a second temperature range, the minimum temperature in the first temperature range is greater than or equal to the preset temperature value, and the maximum temperature in the second temperature range is less than the preset temperature value.

[0011] Optionally, the method further comprises: When the vehicle speed is less than a preset speed, the suspension height of the vehicle is adjusted according to the tailgate switch state.

[0012] Optionally, the method further comprises: When a target body covering of the vehicle is closed, the suspension height of the vehicle is adjusted according to the tailgate switch state, wherein the target body covering includes at least one of a vehicle door, a front hood, and a door of an on-board unmanned vehicle cabin.

[0013] Optionally, adjusting the suspension height of the vehicle according to the tailgate switch state includes: When the tailgate switch is in the open state, the suspension height of the vehicle is lowered.

[0014] Optionally, lowering the suspension height of the vehicle comprises: The height regulating valve corresponding to the suspension is controlled to be opened, and the pump motor corresponding to the suspension is controlled to be in a closed state, so as to reduce the height of the suspension.

[0015] Optionally, after controlling the height adjustment valve corresponding to the suspension to be opened and controlling the pump motor corresponding to the suspension to be in a closed state, the method further includes: When the suspension is lowered to a preset height, the height regulating valve corresponding to the suspension is controlled to be closed to maintain the height of the suspension.

[0016] Optionally, the method further comprises: When the real-time height of the suspension is greater than a preset height, the suspension height of the vehicle is lowered.

[0017] Optionally, after lowering the suspension height of the vehicle, the method further comprises: When the tailgate switch state of the tailgate is closed, the suspension height of the vehicle is raised.

[0018] Optionally, raising the suspension height of the vehicle comprises: The height regulating valve corresponding to the suspension is controlled to be opened, and the pump motor corresponding to the suspension is controlled to be in a starting state, so as to increase the height of the suspension.

[0019] Optionally, after controlling the height adjustment valve corresponding to the suspension to open and controlling the pump motor to be in a starting state, the method further includes: When the suspension is raised to the height before the suspension is lowered, the height adjustment valve corresponding to the suspension is controlled to be closed to maintain the height of the suspension.

[0020] Optionally, the method further comprises: When the suspension is raised to the height before the suspension is lowered, the pump motor corresponding to the suspension is controlled to be turned off.

[0021] Optionally, the method further comprises: In a case where the real-time height of the suspension is less than the height before the suspension is lowered, the suspension height of the vehicle is raised.

[0022] Optionally, the suspension comprises a rear axle suspension of the vehicle.

[0023] According to a second aspect of the present application, a controller is also provided, comprising a processor, wherein the processor is connected to a memory, wherein the memory stores a computer program, and the processor is used to run the computer program in the memory to execute any of the above-mentioned suspension adjustment methods.

[0024] According to a third aspect of the present application, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores a computer program, and the computer program is any of the above-mentioned suspension adjustment methods when executed by a processor.

[0025] According to a fourth aspect of the present application, a computer program product is provided, which includes a computer program, and the computer program is executed by a processor to implement any of the above-mentioned suspension adjustment methods.

[0026] According to a fifth aspect of the present application, a vehicle is provided, which executes the suspension adjustment method as described above, or includes the controller as described above.

[0027] To summarize, in the embodiment of the present application, the tailgate switch status of the vehicle's tailgate is obtained through the above-mentioned technical solution; according to the tailgate switch status, the suspension height of the vehicle is adjusted. In this way, the suspension can be adjusted according to the tailgate switch status, and the vehicle suspension can be adjusted in accordance with the vehicle's object-picking scenario, thereby improving the convenience of vehicle use.

[0028] Other features and advantages of the present application will be described in detail in the subsequent detailed description. BRIEF DESCRIPTION OF THE DRAWINGS In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and those skilled in the art can obtain other drawings based on these drawings without creative work.

[0029] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings, wherein the same figure numbers represent the same parts in the following description.

[0030] Figure 1 is a flow chart of an embodiment of a suspension adjustment method provided in an embodiment of the present invention; Figure 2 is a schematic diagram of an architecture for adjusting the lowering of the suspension height provided in an embodiment of the present invention; Figure 3 is a schematic diagram of a structure for adjusting the height increase of a suspension provided in an embodiment of the present invention; Figure 4 is a schematic diagram of an example flow of suspension adjustment provided in an embodiment of the present invention; Figure 5 is a schematic diagram of a flow chart of adjusting the lowering of the suspension height provided in an embodiment of the present invention; Figure 6 is a schematic diagram of a flow chart of adjusting the height increase of a suspension provided in an embodiment of the present invention; Figure 7 Schematic diagram of the structure of the controller provided in the embodiment of the present invention. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely 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, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0032] Based on the problems mentioned in the aforementioned background technology, in the related technology, the control of active suspension is mostly used to reduce the degree of vehicle driving bumps, and lacks consideration of vehicle usage scenarios, resulting in relatively simple suspension adjustment and poor vehicle convenience.

[0033] In order to solve the above problems, the embodiments of the present application propose a suspension adjustment method, a controller, a medium, a program product and a vehicle. The embodiments of the present application adjust the suspension by the tailgate switch state, and can adjust the vehicle suspension in accordance with the vehicle picking up scene, thereby improving the convenience of vehicle use.

[0034] Specifically, the suspension adjustment method in the present application can be applied to a vehicle, and the execution subject can be a controller on the vehicle. In the following, each embodiment is described in detail by taking the execution subject of the suspension adjustment method as a controller on the vehicle as an example.

[0035] This application provides a suspension adjustment method, please refer to Figure 1 The suspension adjustment method provided in the embodiment of the present application includes steps S10 to S20, which are described in detail below.

[0036] S10: Obtaining a tailgate switch status of a vehicle tailgate.

[0037] In this embodiment, the vehicle tailgate is a movable part at the rear of the vehicle, mainly used to close and open the trunk space of the vehicle for loading. The tailgate switch state is used to indicate the tailgate switch status, which is divided into open and closed.

[0038] S20: adjusting the suspension height of the vehicle according to the tailgate switch state.

[0039] In this embodiment, the suspension of the vehicle is controlled according to the tailgate switch state, and the suspension height is adjusted so that the suspension height can adapt to the tailgate switch state, assisting the user in taking out objects, and improving the user's operation convenience. In addition, when the tailgate is opened, the center of gravity of the rear of the vehicle may change, resulting in unstable body posture. According to the tailgate switch state, adjusting the suspension height can also maintain the balance and stability of the body.

[0040] In one embodiment, the vehicle suspension adjusted according to the tailgate switch state is the suspension of the axle closest to the tailgate, that is, the rear axle suspension of the vehicle. The rear axle suspension refers to the suspension installed on the rear axle of the car, thereby cooperating with the tailgate to facilitate users to take items.

[0041] In one embodiment, obtaining the tailgate switch status of the vehicle tailgate includes: The tailgate switch state is obtained through a hard-wire switch of the tailgate.

[0042] In this embodiment, the hard-wire switch refers to a tailgate switch that is directly connected to the suspension adjustment unit (which can be an ECU) through a physical line. When the user presses the tailgate switch, the hard-wire switch generates an electrical signal. This signal is usually a high-level or low-level signal, depending on the design of the switch. The tailgate switch signal is transmitted through a hard line (physical line).

[0043] In this embodiment, the vehicle suspension height is adjusted by directly linking with the hard-wired switch of the tailgate, and the tailgate switch status can be obtained by receiving the tailgate switch signal sent by the hard-wired switch of the tailgate, which can improve the suspension adjustment efficiency and reduce development costs.

[0044] In one embodiment, the method further includes: When the voltage ratio of the first battery of the vehicle is greater than a preset voltage ratio, adjust the suspension height of the vehicle according to the tailgate switch state.

[0045] In this embodiment, it is determined whether to adjust the vehicle suspension according to the tailgate switch state based on whether the voltage ratio of the first battery of the vehicle is greater than the preset voltage ratio. The first battery can be the large battery of the vehicle. The large battery system controls the high voltage of the whole vehicle. The voltage ratio is a threshold value used by an external system for judgment. High-power work cannot be performed below the threshold value. When the ratio of the first battery is greater than the preset power ratio, according to the tailgate switch state, it can be the electrical state, wireless state, etc. generated during the opening and closing of the vehicle tailgate, which can ensure the electrical safety of the vehicle and avoid vehicle power failure.

[0046] In one embodiment, the method further includes: When the voltage ratio of the first battery of the vehicle is greater than a preset voltage ratio, obtain the voltage value of the second battery of the vehicle; When the voltage value of the second battery is greater than the target preset voltage threshold, adjust the suspension height of the vehicle according to the tailgate switch state.

[0047] In this embodiment, when the voltage ratio of the first battery of the vehicle is greater than the preset voltage threshold, it is necessary to further obtain the voltage value of the second battery of the vehicle, and determine whether to adjust the vehicle suspension according to the tailgate switch state based on whether the second voltage value is greater than the target preset voltage threshold. The second battery can be the small battery of the vehicle, and the small battery is used to control the normal power of the whole vehicle. It is relatively difficult for the voltage of the large battery of the whole vehicle to drop below the set threshold. By charging the whole vehicle, the situation of large battery power failure can be avoided. After the large battery system detects that the voltage of the small battery is lower than the set threshold, it will automatically charge the small battery to make the small battery meet the working voltage of the vehicle and avoid the vehicle entering the power failure state. The voltage value of the second battery can represent the external signal. Based on the characteristics of the external signal, it can be judged whether the current voltage value of the second battery can meet the motor work. Therefore, when the voltage ratio of the first battery is greater than the preset voltage threshold and the voltage value of the second battery is greater than the target preset voltage threshold, the vehicle suspension can be adjusted according to the tailgate switch state to further ensure the electrical safety of the vehicle and avoid vehicle power failure.

[0048] In this embodiment, through the double verification of the first battery and the second battery, the judgment logic of whether to adjust the vehicle suspension height based on the tailgate switch state is optimized, effectively avoiding the risk of vehicle power failure. The optimized suspension adjustment trigger condition in this embodiment does not require the air source of the airbag. Before adjusting the suspension, by judging the voltage, the suspension pump can be directly started to lift, improving the control efficiency and further providing the convenience of use.

[0049] In one embodiment, the step of determining the target preset voltage threshold comprises: Acquire an ambient temperature corresponding to the second battery; The target preset voltage threshold is determined according to the ambient temperature.

[0050] In the present embodiment, the threshold setting for the voltage value of the second battery can also be set in combination with the ambient temperature corresponding to the second battery. The ambient temperature corresponding to the second battery may refer to the temperature near the second battery, or may refer to the ambient temperature of the vehicle where the second battery is located. The ambient temperature corresponding to the second battery directly affects the power performance of the battery. By determining the target preset voltage threshold based on the ambient temperature corresponding to the second battery, it is not necessary to directly design a critical value for the environment. Different target preset voltage thresholds can be designed under different ambient temperatures for conditional substitution, thereby avoiding the influence of temperature on suspension adjustment and picking up items through the tailgate, and further improving the convenience of vehicle use.

[0051] In one embodiment, determining the target preset voltage threshold according to the ambient temperature includes: According to the correspondence between the preset temperature range and the preset voltage threshold, the target preset voltage threshold corresponding to the ambient temperature is determined.

[0052] In this embodiment, at least one preset temperature range can be pre-set, and corresponding preset voltage thresholds can be set for different preset temperature ranges, so that the suspension height adjustment based on the tailgate switch state can be entered within the voltage value of the appropriate second battery in different temperature environments. The preset temperature range in which the ambient temperature is located is determined, and the preset voltage threshold corresponding to the preset temperature range in which the ambient temperature is located is used as the target preset voltage threshold corresponding to the ambient temperature.

[0053] In one embodiment, the preset temperature range includes a first temperature range and a second temperature range, the minimum temperature in the first temperature range is greater than or equal to the preset temperature value, and the maximum temperature in the second temperature range is less than the preset temperature value.

[0054] In this embodiment, at least two preset temperature ranges are set, namely, a first temperature range and a second temperature range, wherein the minimum temperature in the first temperature range is greater than or equal to the preset temperature value, and the maximum temperature in the second temperature range is less than the preset temperature value, so that the first temperature range and the second temperature range are bounded by the preset temperature value. When the ambient temperature is greater than or equal to the preset temperature value, the preset voltage threshold corresponding to the first temperature range can be used as the target preset power threshold, and when the ambient temperature is less than the preset temperature value, the preset voltage threshold corresponding to the second temperature range can be used as the target preset power threshold. It can be understood that the preset voltage threshold corresponding to the first temperature range is different from the preset voltage threshold corresponding to the second temperature range, so that the judgment of whether to adjust the suspension height according to the voltage will not be affected by the ambient temperature, thereby improving the control accuracy and convenience of use.

[0055] In one embodiment, the method further comprises: When the vehicle speed is less than a preset speed, the suspension height of the vehicle is adjusted according to the tailgate switch state.

[0056] In one embodiment, adjusting the vehicle suspension according to the tailgate switch status is a more direct control method, which can improve control efficiency. Therefore, before adjusting the vehicle suspension according to the tailgate switch status, the vehicle speed can be obtained periodically or in real time. When the vehicle speed is less than the preset speed, the vehicle suspension is adjusted according to the tailgate switch status. This can avoid some unexpected situations that lead to suspension control, such as incorrect suspension control due to bumps during vehicle driving, which can improve vehicle safety.

[0057] In one embodiment, the method further comprises: When a target body covering of the vehicle is closed, the suspension height of the vehicle is adjusted according to the tailgate switch state, wherein the target body covering includes at least one of a vehicle door, a front hood, and a door of an on-board unmanned vehicle cabin.

[0058] In this embodiment, before adjusting the vehicle suspension according to the tailgate switch status, it is also necessary to obtain the switch status of the vehicle's target body coverings, the target body coverings including at least one of the vehicle doors, the front hood and the hatches of the on-board unmanned cabin. When the vehicle's target body coverings are closed, controlling the vehicle's suspension according to the tailgate switch status can avoid vehicle instability due to suspension adjustment, resulting in damage to the target body coverings due to bumps, etc., and can further improve vehicle safety.

[0059] In one embodiment, adjusting the suspension height of the vehicle according to the tailgate switch state includes: When the tailgate switch is in the open state, the suspension height of the vehicle is lowered.

[0060] In this embodiment, when the above conditions are met, the suspension can be adjusted according to the tailgate switch state. When the tailgate switch state is open, it indicates that the user has a need to pick up something, and the suspension can be adjusted to lower the vehicle's suspension height, so that the overall height of the vehicle is lowered, which is convenient for the user to pick up something and improves the convenience of picking up something. In addition, the user's need to pick up something will cause the center of gravity of the vehicle to be unstable. After adjusting the suspension to lower, the stability of the vehicle can be improved.

[0061] In one embodiment, lowering the suspension height of the vehicle comprises: The height regulating valve corresponding to the suspension is controlled to be opened, and the pump motor corresponding to the suspension is controlled to be in a closed state, so that the suspension is lowered.

[0062] In this embodiment, a design principle for adjusting the height of the suspension by the pump motor and the height adjustment valve of the suspension is provided. When lowering the height of the suspension of the vehicle, the height adjustment valve corresponding to the suspension is controlled to open, the pressure inside the suspension is released, and the suspension is gradually lowered due to the weight of the vehicle. At this time, the pump motor corresponding to the suspension needs to be adjusted to be in a closed state to quickly lower the height of the suspension.

[0063] In one embodiment, after controlling the height adjustment valve corresponding to the suspension to be opened and controlling the pump motor corresponding to the suspension to be in a closed state, the method further includes: When the suspension is lowered to a preset height, the height regulating valve corresponding to the suspension is controlled to be closed to maintain the height of the suspension.

[0064] In this embodiment, when the suspension is lowered to a preset height, which may be the lowest gear of the vehicle suspension, the height adjustment valve corresponding to the suspension is controlled to close to maintain the height of the suspension, thereby helping users to pick up objects at a lower suspension height and improving ease of use.

[0065] In one embodiment, the method further comprises: When the real-time height of the suspension is greater than a preset height, the suspension height of the vehicle is lowered.

[0066] In this embodiment, before adjusting the suspension to lower, it is also necessary to detect whether the real-time height of the suspension is greater than the preset height. When the real-time height of the suspension is greater than the preset height, it indicates that the vehicle suspension height is already low and no further control is required to lower it, thus saving control costs and avoiding unnecessary collisions after the vehicle is triggered to lower.

[0067] In one embodiment, after lowering the suspension height of the vehicle, the method further comprises: When the tailgate switch state of the tailgate is closed, the suspension height of the vehicle is raised.

[0068] In this embodiment, after the tailgate switch state is open, the tailgate will be closed after waiting for the user to complete the pick-up operation. When the tailgate switch state is open, after the suspension height of the vehicle is lowered, if it is detected that the tailgate switch state is closed, the vehicle suspension height needs to be raised to end the vehicle pick-up process, so as to facilitate subsequent vehicles to operate at a normal suspension height and further ensure vehicle safety.

[0069] In one embodiment, raising the suspension height of the vehicle comprises: The height regulating valve corresponding to the suspension is controlled to be opened, and the pump motor corresponding to the suspension is controlled to be in a starting state, so as to increase the height of the suspension.

[0070] In this embodiment, in the process of raising the height of the vehicle suspension, it is necessary to control the height adjustment valve corresponding to the suspension to open, and control the corresponding pump motor to be in the opening device to provide pressure inside the suspension so that the vehicle suspension can be raised.

[0071] In one embodiment, after controlling the height adjustment valve corresponding to the suspension to open and controlling the pump motor to be in a starting state, the method further includes: When the suspension is raised to the height before the suspension is lowered, the height adjustment valve corresponding to the suspension is controlled to be closed to maintain the height of the suspension.

[0072] In this embodiment, during the process of adjusting the vehicle suspension to raise, it is detected whether the suspension is raised to the height before the suspension is lowered. When the suspension is raised to the height before the suspension is lowered, it indicates that the suspension height has been restored to the height before the lowering. The height adjustment valve corresponding to the suspension can be controlled to close to maintain the suspension height and complete the suspension height restoration after picking up the object, so as to facilitate the normal operation of the subsequent vehicle, ensure the safety of the vehicle, reduce the user's additional operations, and further improve the convenience of use.

[0073] In one embodiment, the method further comprises: When the suspension is raised to the height before the suspension is lowered, the pump motor corresponding to the suspension is controlled to be turned off.

[0074] In this embodiment, when the suspension is raised to the height before the suspension is lowered, on the one hand, the height adjustment valve corresponding to the suspension can be controlled to close to maintain the suspension height, and on the other hand, the pump motor corresponding to the frame can be controlled to close to avoid waste of resources.

[0075] In one embodiment, the method further comprises: In a case where the real-time height of the suspension is less than the height before the suspension is lowered, the suspension height of the vehicle is raised.

[0076] In this embodiment, before adjusting the suspension to raise, it is also necessary to detect whether the real-time height of the suspension is less than the height before lowering. When the real-time height of the suspension is less than the height before lowering, it indicates that the vehicle suspension height has been restored and there is no need to control the lowering, which can save control costs.

[0077] In one example, if Figure 2 As shown, the present invention provides a method in which, after a vehicle enters sleep mode, a tailgate switch signal indicating that a tailgate is open is obtained through a hard-wire switch of the tailgate, indicating that the tailgate switch state is open, and the vehicle domain control system is awakened. After the domain control system is awakened by the hard wire, a preset wake-up message 1 is sent to awaken the system of a large battery of the vehicle by sending a preset wake-up message 2, and a preset wake-up message 3 is sent to awaken the system of a small battery, and the suspension adjustment system is awakened. The suspension adjustment system obtains the voltage proportion of the large battery to determine whether suspension height adjustment is supported, the suspension adjustment system obtains the voltage value of the small battery and the ambient temperature to determine whether suspension height adjustment is supported, the suspension adjustment system obtains the switch states of the doors, the front hood, etc. and the vehicle speed state to determine whether suspension height adjustment is supported, and when the target conditions are met, the rear axle suspension height is adjusted to a low gear action, so as to achieve the effect of automatically lowering the suspension by opening the tailgate.

[0078] like Figure 3 As shown, after the vehicle is awakened, the user uses the take-up function and closes the tailgate by pressing the tailgate button. In this way, the suspension adjustment system can receive the tailgate switch signal indicating that the tailgate is closed, indicating that the tailgate switch state is closed. The suspension adjustment system obtains the voltage proportion of the large battery to determine whether the suspension height adjustment is supported. The suspension adjustment system obtains the voltage value of the small battery and the ambient temperature to determine whether the suspension height adjustment is supported. When the conditions are met, the suspension executes a recovery operation to adjust the suspension height, thereby achieving the effect of automatically restoring the suspension by closing the tailgate. After the vehicle has no other operations and is left for a period of time, it re-enters the sleep state.

[0079] In one example, if Figure 4 As shown: 1) After the suspension adjustment system is awakened by the message, the suspension adjustment system periodically detects the tailgate switch status. When the external tailgate switch signal is detected, the tailgate switch status is determined and the next step is executed.

[0080] 2) The suspension adjustment system detects the voltage proportion of the large battery by cyclically obtaining the specific message 1 forwarded by the gateway. When the voltage proportion of the large battery is lower than the preset voltage proportion, the suspension adjustment is prohibited. When the voltage proportion of the large battery is higher than the preset voltage proportion, the next step is executed.

[0081] 3) The suspension adjustment system obtains the specific message 2 forwarded by the gateway in a loop, detects the voltage value of the small battery, and the ambient temperature value to identify whether the execution conditions are met. Condition 1: when the ambient temperature is greater than the preset temperature, check whether the voltage value of the small battery is greater than the target preset voltage threshold 1. Both judgments must be true at the same time. Condition 2: when the ambient temperature is lower than the preset temperature, check whether the voltage value of the small battery is greater than the target preset voltage threshold 2. Both judgments must be true at the same time. If one of the above two conditions is met, execute the next step.

[0082] 4) The suspension adjustment system determines the state of the tailgate switch. When the tailgate switch signal indicates that the tailgate is open, the tailgate opens and the suspension adjustment system responds by lowering the rear suspension to a low gear position. When the tailgate switch signal indicates that the tailgate is closed, the tailgate closes and the suspension adjustment system responds by restoring the rear suspension to the state before lowering.

[0083] In one example, the process of adjusting the suspension lowering, such as Figure 5 As shown: 1) Before adjusting the suspension to lower, periodically check the vehicle speed status. When the vehicle speed is greater than the preset speed, the suspension adjustment function is not performed. When the vehicle speed is less than or equal to the preset speed, the next step is performed.

[0084] 2) Periodically detect the signals of the vehicle's four doors and front hood to determine their corresponding switch states. When the status feedback of one of the doors or the front hood is open, the suspension adjustment function is not executed. When the signals of the vehicle's four doors and the front hood meet the closing conditions at the same time, the next step is executed.

[0085] 3) Obtain the height gear position of the rear axle suspension of the vehicle. If the real-time gear position is equal to the preset gear height range that needs to be lowered, the suspension adjustment function is not performed. Otherwise, the pump motor is controlled to be closed and the height adjustment valve of the rear axle suspension is opened at the same time.

[0086] 4) The suspension system continuously detects the suspension height. When it detects that the suspension height is within the lowered preset gear height range, the height adjustment valve of the rear axle suspension is closed to maintain the rear axle suspension height at the current state.

[0087] 5) After completion, the axle suspension is lowered to low gear.

[0088] In one example, the process of adjusting the suspension lift, such as Figure 6 As shown: 1) Before adjusting the suspension rise, the vehicle speed signal is periodically detected to determine the vehicle speed. When the vehicle speed is greater than the preset speed, the suspension adjustment function is not performed. When the vehicle speed is less than or equal to the preset speed, the next step is performed.

[0089] 2) Periodically detect the signals of the vehicle's four doors and front hood to determine their switch status. When the status feedback of one of the doors or the front hood is open, the suspension adjustment function is not executed. When the status of the vehicle's four doors and the front hood simultaneously meet the closing conditions, the next step is executed.

[0090] 3) Obtain the height gear position of the vehicle's rear axle suspension. If the real-time gear position is equal to the restored target gear height range, the suspension adjustment function is not performed. Otherwise, the pump motor is controlled to start and the height adjustment valve of the rear axle suspension is opened at the same time.

[0091] 4) The suspension system continuously detects the suspension height. When it detects that the suspension height is within the restored target gear height range, the height adjustment valve and pump motor of the rear axle suspension are closed to maintain the rear axle suspension height at the current state.

[0092] 5) After completion, raise the axle suspension to the recovery position.

[0093] This embodiment further provides an electronic device, which can be integrated in a vehicle. The electronic device may include: An acquisition module, used to acquire the tailgate switch status of the vehicle tailgate; A control module is used to adjust the suspension height of the vehicle according to the tailgate switch state.

[0094] The specific implementation of the above operations can be found in the previous embodiments, which will not be described in detail here.

[0095] Accordingly, the embodiment of the present application also provides a controller, such as Figure 7 As shown, Figure 7 A schematic diagram of the structure of a controller provided in an embodiment of the present application. The controller 1100 also includes a processor 1101 having one or more processing cores, a memory 1102 having one or more computer-readable storage media, and a computer program stored in the memory 1102 and executable on the processor. The processor 1101 is electrically connected to the memory 1102. It will be understood by those skilled in the art that the controller structure shown in the figure does not constitute a limitation on the controller, and may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently.

[0096] The processor 1101 is the control center of the controller 1100, and uses various interfaces and lines to connect various parts of the entire controller 1100. By running or loading software programs and / or units stored in the memory 1102, and calling data stored in the memory 1102, the various functions of the controller 1100 and processing data are executed, thereby monitoring the controller 1100 as a whole. The processor 1101 can be a processor (Central Processing Unit, CPU), a graphics processing unit (Graphics Processing Unit, GPU), a network processor (Network Processor, NP), etc., and can implement or execute the various methods, steps and logic block diagrams disclosed in the embodiments of the present application.

[0097] In the embodiment of the present application, the processor 1101 in the controller 1100 will load instructions corresponding to the processes of one or more application programs into the memory 1102 according to the following steps, and the processor 1101 will run the application programs stored in the memory 1102, thereby realizing various functions, for example: Get the tailgate switch status of the vehicle's tailgate; The suspension height of the vehicle is adjusted according to the tailgate switch state.

[0098] The specific implementation of the above operations can be found in the previous embodiments, which will not be described in detail here.

[0099] Optional, such as Figure 7 As shown, the controller 1100 also includes: a touch screen 1103, a radio frequency circuit 1104, an audio circuit 1105, an input unit 1106 and a power supply 1107. Among them, the processor 1101 is electrically connected to the touch screen 1103, the radio frequency circuit 1104, the audio circuit 1105, the input unit 1106 and the power supply 1107 respectively. Those skilled in the art can understand that Figure 7 The controller structure shown in the figure does not constitute a limitation of the controller, and may include more or less components than shown in the figure, or combine certain components, or arrange the components differently.

[0100] The touch display screen 1103 can be used to display a graphical user interface and receive operation instructions generated by a user acting on the graphical user interface. The touch display screen 1103 may include a display panel and a touch panel. Among them, the display panel can be used to display information input by the user or information provided to the user and various graphical user interfaces of the controller. These graphical user interfaces can be composed of graphics, text, icons, videos, and any combination thereof. Optionally, the display panel can be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc. The touch panel can be used to collect touch operations of the user on or near it (such as operations of the user using a finger, a stylus, or any suitable object or accessory on or near the touch panel), and generate corresponding operation instructions, and the operation instructions execute the corresponding program. Optionally, the touch panel can include two parts: a touch detection device and a touch controller. Among them, the touch detection device detects the touch orientation of the user, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it to the processor 1101, and can receive and execute the commands sent by the processor 1101. The touch panel can cover the display panel. After the touch panel detects a touch operation on or near it, it is transmitted to the processor 1101 to determine the type of touch event. Subsequently, the processor 1101 provides a corresponding visual output on the display panel according to the type of touch event. In the embodiment of the present invention, the touch panel and the display panel can be integrated into the touch display screen 1103 to implement input and output functions. However, in some embodiments, the touch panel and the touch panel can be implemented as two independent components to implement input and output functions. That is, the touch display screen 1103 can also be used as a part of the input unit 1106 to implement the input function.

[0101] The radio frequency circuit 1104 can be used to receive and transmit radio frequency signals to establish wireless communication with a network medical device or other controllers through wireless communication, and receive and transmit signals with the network medical device or other controllers.

[0102] The audio circuit 1105 can be used to provide an audio interface between the user and the controller through a speaker and a microphone. The audio circuit 1105 can transmit the electrical signal converted from the received audio data to the speaker, which is converted into a sound signal for output; on the other hand, the microphone converts the collected sound signal into an electrical signal, which is received by the audio circuit 1105 and converted into audio data, and then the audio data is output to the processor 1101 for processing, and then sent to another controller through the radio frequency circuit 1104, or the audio data is output to the memory 1102 for further processing. The audio circuit 1105 may also include an earplug jack to provide communication between an external headset and the controller.

[0103] The input unit 1106 may be configured to receive input numbers, character information, or user feature information (such as fingerprint, iris, facial information, etc.), and generate keyboard, mouse, joystick, optical, or trackball signal inputs related to user settings and function control.

[0104] The power supply 1107 is used to supply power to various components of the controller 1100. Optionally, the power supply 1107 can be logically connected to the processor 1101 through a power management device, so that the power management device can manage charging, discharging, power consumption and other functions. The power supply 1107 can also include one or more DC or AC power supplies, recharging devices, power failure detection circuits, power converters or inverters, power status indicators and other arbitrary components.

[0105] although Figure 7 Not shown, the controller 1100 may also include a camera, a sensor, a wireless fidelity module, a Bluetooth module, etc., which will not be described in detail here.

[0106] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0107] A person of ordinary skill in the art will appreciate that all or part of the steps in the various methods of the above embodiments may be completed by instructions, or by controlling related hardware through instructions. The instructions may be stored in a computer-readable storage medium and loaded and executed by a processor.

[0108] To this end, an embodiment of the present application provides a computer-readable storage medium, in which a plurality of computer programs are stored. The computer program can be loaded by a processor to execute any one of the suspension adjustment methods provided in the embodiments of the present application. The computer program can execute the following steps of the suspension adjustment method: Get the tailgate switch status of the vehicle's tailgate; The suspension height of the vehicle is adjusted according to the tailgate switch state.

[0109] The specific implementation of the above operations can be found in the previous embodiments, which will not be described in detail here.

[0110] The computer-readable storage medium may include: a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc.

[0111] Since the computer-readable storage medium can implement the beneficially stored computer program that can be implemented by any suspension adjustment method provided in the embodiments of the present application, and can execute any suspension adjustment method provided in the embodiments of the present application, the effects are detailed in the previous embodiments and will not be repeated here.

[0112] The present application also provides a computer program product, which can be loaded by a processor to execute any of the suspension adjustment methods provided in the present application. The specific implementation of each operation of the suspension adjustment method can be referred to the previous embodiment, which will not be repeated here.

[0113] Since the computer program can execute any suspension adjustment method provided in the embodiments of the present application, and can achieve the beneficial effects that can be achieved by any suspension adjustment method provided in the embodiments of the present application, its beneficial effects are detailed in the previous embodiments and will not be repeated here.

[0114] An embodiment of the present application also provides a vehicle, which includes any of the above electronic devices, controllers, computer-readable storage media, computer program products, or executes any of the above methods.

[0115] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0116] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0117] The embodiments, implementation methods and related technical features of the present application can be combined and replaced with each other without conflict.

[0118] The above are only preferred embodiments of the present application and do not constitute any form of limitation to the present application. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present application without departing from the content of the technical solution of the present application are still within the scope of the technical solution of the present application.

Claims

1. A suspension adjustment method, characterized in that: include: Get the tailgate switch status of the vehicle's tailgate; The suspension height of the vehicle is adjusted according to the tailgate switch state.

2. The method according to claim 1, characterized in that The step of obtaining the tailgate switch state of the vehicle tailgate includes: The tailgate switch state is obtained through a hard-wire switch of the tailgate.

3. The method according to claim 1, characterized in that The method further comprises: When a voltage proportion of the first battery of the vehicle is greater than a preset voltage proportion, a suspension height of the vehicle is adjusted according to a state of the tailgate switch.

4. The method according to claim 3, characterized in that The method further comprises: When the voltage proportion of the first battery of the vehicle is greater than a preset voltage proportion, obtaining a voltage value of the second battery of the vehicle; When the voltage value of the second battery is greater than a target preset voltage threshold, the suspension height of the vehicle is adjusted according to the tailgate switch state.

5. The method according to claim 4, characterized in that The step of determining the target preset voltage threshold comprises: Acquire an ambient temperature corresponding to the second battery; The target preset voltage threshold is determined according to the ambient temperature.

6. The method according to claim 5, characterized in that The step of determining the target preset voltage threshold according to the ambient temperature includes: According to the correspondence between the preset temperature range and the preset voltage threshold, the target preset voltage threshold corresponding to the ambient temperature is determined.

7. The method according to claim 6, characterized in that The preset temperature range includes a first temperature range and a second temperature range, the minimum temperature in the first temperature range is greater than or equal to the preset temperature value, and the maximum temperature in the second temperature range is less than the preset temperature value.

8. The method according to claim 1, characterized in that The method further comprises: When the vehicle speed is less than a preset speed, the suspension height of the vehicle is adjusted according to the tailgate switch state.

9. The method according to claim 1, characterized in that The method further comprises: When a target body covering of the vehicle is closed, the suspension height of the vehicle is adjusted according to the tailgate switch state, wherein the target body covering includes at least one of a vehicle door, a front hood, and a door of an on-board unmanned vehicle cabin.

10. The method according to any one of claims 1 to 9, characterized in that: The adjusting the suspension height of the vehicle according to the tailgate switch state includes: When the tailgate switch is in the open state, the suspension height of the vehicle is lowered.

11. The method according to claim 10, characterized in that The lowering of the suspension height of the vehicle comprises: The height regulating valve corresponding to the suspension is controlled to be opened, and the pump motor corresponding to the suspension is controlled to be in a closed state, so as to reduce the height of the suspension.

12. The method according to claim 11, characterized in that After the height adjustment valve corresponding to the suspension is controlled to be opened and the pump motor corresponding to the suspension is controlled to be in a closed state, the method further includes: When the suspension is lowered to a preset height, the height regulating valve corresponding to the suspension is controlled to be closed to maintain the height of the suspension.

13. The method according to claim 10, characterized in that The method further comprises: When the real-time height of the suspension is greater than a preset height, the suspension height of the vehicle is lowered.

14. The method according to claim 10, characterized in that After lowering the suspension height of the vehicle, the method further includes: When the tailgate switch state of the tailgate is closed, the suspension height of the vehicle is raised.

15. The method according to claim 14, characterized in that The step of raising the suspension height of the vehicle comprises: The height regulating valve corresponding to the suspension is controlled to be opened, and the pump motor corresponding to the suspension is controlled to be in a starting state, so as to increase the height of the suspension.

16. The method according to claim 15, characterized in that After the height adjustment valve corresponding to the suspension is controlled to be opened and the pump motor is controlled to be in a starting state, the method further includes: When the suspension is raised to the height before the suspension is lowered, the height adjustment valve corresponding to the suspension is controlled to be closed to maintain the height of the suspension.

17. The method according to claim 16, characterized in that The method further comprises: When the suspension is raised to the height before the suspension is lowered, the pump motor corresponding to the suspension is controlled to be turned off.

18. The method according to claim 17, characterized in that The method further comprises: In a case where the real-time height of the suspension is less than the height before the suspension is lowered, the suspension height of the vehicle is raised.

19. The method according to any one of claims 1 to 9, characterized in that: The suspension comprises a rear axle suspension of the vehicle.

20. A controller, characterized in that: The invention comprises a processor, wherein the processor is connected to a memory, wherein the memory stores a computer program, and the processor is used to run the computer program in the memory to execute the suspension adjustment method according to any one of claims 1 to 19.

21. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the suspension adjustment method according to any one of claims 1 to 19 is implemented.

22. A computer program product, characterized in that The invention comprises a computer program, wherein the computer program is executed by a processor to implement the suspension adjustment method according to any one of claims 1 to 19.

23. A vehicle, characterized in that: The vehicle executes the suspension adjustment method as described in any one of claims 1-19, or includes the controller as described in claim 20.

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