Passenger car control method, passenger car snow removal and drainage system, passenger car and storage medium

Abstract

This invention discloses a bus control method, a bus snow removal and drainage system, a bus, and a storage medium. The bus control method includes a bus with a suspension system and a drainage structure installed on the bus floor. The method includes: acquiring information about the vehicle's surrounding environment and road conditions; determining that the surrounding environment information meets a drainage threshold condition; and controlling the drainage structure and / or the suspension system based on the road conditions. This bus control method improves drainage efficiency within the vehicle, resulting in more thorough drainage and enhanced passenger experience and comfort.

Description

Technical Field

[0001] This invention relates to the field of vehicle technology, and in particular to a bus control method, a bus snow removal and drainage system, a bus, and a storage medium. Background Technology

[0002] Vehicles are an indispensable means of transportation in daily life. During use, the passenger compartment usually needs to be kept dry to ensure passenger comfort. Water accumulation inside the vehicle compartment will affect the passenger experience. This is especially true for buses, which operate daily and have a large passenger flow, making them more susceptible to water accumulation in rainy or snowy weather. Therefore, it is essential to propose a bus drainage control method to improve drainage capabilities. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. Therefore, the first objective of the present invention is to provide a bus control method that improves the drainage efficiency within the bus, making drainage more thorough and enhancing passenger experience and comfort.

[0004] The second objective of this invention is to provide a snow removal and drainage system for passenger vehicles.

[0005] The third objective of this invention is to provide a passenger vehicle.

[0006] The fourth objective of this invention is to provide a passenger vehicle.

[0007] The fifth objective of this invention is to provide a non-transitory computer storage medium.

[0008] To achieve the above objectives, a first aspect of the present invention provides a bus control method. The bus includes a suspension system and a drainage structure disposed on the bus floor. The method includes: acquiring information about the vehicle's surrounding environment and information about the bus's driving conditions; determining that the information about the vehicle's surrounding environment meets a drainage threshold condition; and controlling the drainage structure and / or the suspension system based on the information about the bus's driving conditions.

[0009] According to the bus control method proposed in this embodiment, when acquiring information about the vehicle's surrounding environment and road conditions, existing detection devices in the vehicle can be used. This allows for accurate collection of real-time data about the vehicle's surroundings without significant changes to the vehicle structure. This not only provides better judgment for the drainage function but also saves on overall vehicle manufacturing costs. Furthermore, after determining that the surrounding environment meets the drainage threshold, the drainage structure can promptly drain water from the passenger compartment, reducing the risk of corrosion of metal parts and the possibility of passengers slipping. Moreover, in drainage operation, combining the drainage structure with the suspension system allows the vehicle's drainage to be integrated with the suspension's side-kneeling function. This enables the water inside the vehicle to overcome surface tension, forming a water flow that exits through the drainage structure. This not only guides the drainage but also makes it more thorough, improving drainage efficiency and enhancing passenger experience and comfort.

[0010] In some embodiments of the present invention, the environmental information surrounding the vehicle includes the duration of rainfall, the amount of rainfall, and the number of people boarding the vehicle after the vehicle starts; determining that the environmental information surrounding the vehicle meets the drainage threshold condition includes: determining the total amount of rainfall after the vehicle starts based on the duration of rainfall and the amount of rainfall; determining that the number of people boarding the vehicle reaches the drainage number threshold based on the number of people boarding the vehicle, and determining that the total amount of rainfall after the vehicle starts reaches the drainage rainfall threshold.

[0011] In some embodiments of the present invention, the drainage structure includes drainage holes arranged left and right along the length of the bus on the floor of the bus; the bus driving road condition information includes bus entry and exit station information; controlling the drainage structure and / or the suspension system according to the bus driving road condition information includes: determining that the bus has arrived at the station according to the bus entry and exit station information, then controlling the suspension system to cause the bus body to kneel to the side away from the boarding door, and controlling the drainage hole on the corresponding side to open.

[0012] In some embodiments of the present invention, the bus driving road condition information further includes road slope information; controlling the drainage structure and / or the suspension system according to the bus driving road condition information further includes: determining that the bus has arrived at the station according to the bus entry and exit station information and determining that the bus is on an uphill slope according to the road slope information, then controlling the front suspension of the bus on the side away from the boarding door to lower.

[0013] In some embodiments of the present invention, controlling the drainage structure and / or the suspension system based on the bus driving road condition information further includes: determining that the bus has arrived at the station based on the bus entry and exit station information and determining that the bus is on a downhill slope based on the road slope information, then controlling the rear suspension of the bus on the side away from the boarding door to lower.

[0014] In some embodiments of the present invention, the method further includes: after determining that no one is boarding based on the passenger flow, controlling the suspension system to straighten the bus body.

[0015] In some embodiments of the present invention, the bus driving road condition information further includes steering wheel angle information; controlling the drainage structure and / or the suspension system according to the bus driving road condition information further includes: determining that the vehicle is turning according to the steering wheel angle information, then controlling the drainage hole on the outer side of the vehicle to open.

[0016] In some embodiments of the present invention, the method further includes: determining that the total rainfall after the vehicle starts reaches an extreme weather rainfall threshold, and then controlling the suspension system to raise the vehicle body to a preset height, wherein the extreme weather rainfall threshold is greater than the drainage rainfall threshold.

[0017] In some embodiments of the present invention, the bus further includes a snow removal system, and the method further includes: acquiring snow accumulation status information on the roof; determining that the snow accumulation status information on the roof meets a snow removal threshold condition; and controlling the snow removal system to start.

[0018] In some embodiments of the present invention, the roof snow accumulation status information includes the roof ambient temperature and the roof pressure; the snow removal system includes a heating device installed on the roof; determining that the roof snow accumulation status information meets the snow removal threshold condition and controlling the snow removal system to start includes: determining that the roof ambient temperature is lower than a temperature threshold and the roof pressure is greater than or equal to a first pressure threshold, then activating the heating device.

[0019] In some embodiments of the present invention, determining that the snow accumulation status information on the vehicle roof meets the snow removal threshold condition and controlling the snow removal system to start further includes: obtaining the pressure change rate of the vehicle roof pressure; determining that the ambient temperature of the vehicle roof is lower than the temperature threshold and the pressure change rate is greater than or equal to the change rate threshold, and then starting the heating device.

[0020] In some embodiments of the present invention, the snow removal system further includes a snow sweeping device disposed on the roof of the vehicle; determining that the snow accumulation status information on the roof meets the snow removal threshold condition and controlling the snow removal system to start further includes: determining that the roof pressure is greater than a second pressure threshold and then controlling the snow sweeping device to start, wherein the second pressure threshold is greater than the first pressure threshold.

[0021] In some embodiments of the present invention, the method further includes: if the roof pressure is less than a first pressure threshold and the pressure change rate is less than the change rate threshold, then the heating device is turned off.

[0022] In some embodiments of the present invention, the snow removal system includes a heating element for heating the step area inside the vehicle; the method further includes: determining that the snow accumulation status information on the vehicle roof meets the snow removal threshold condition, and controlling the heating element to start heating.

[0023] In some embodiments of the present invention, the vehicle surrounding environment information includes the number of people boarding the vehicle and the snow thickness on the road surface; determining that the vehicle surrounding environment information meets the drainage threshold conditions includes: determining that the number of people boarding the vehicle reaches the drainage threshold and the snow thickness on the road surface reaches the thickness threshold based on the number of people boarding the vehicle, or determining that the number of people boarding the vehicle reaches the drainage threshold and the pressure change rate of the vehicle roof pressure is greater than or equal to the change rate threshold based on the number of people boarding the vehicle.

[0024] In some embodiments of the present invention, the method further includes: acquiring status information of bus drainage and snow removal, and displaying the status information.

[0025] Based on the above, to avoid the impact of water, snow, and ice accumulation inside and on the roof of the bus on passenger comfort and convenience, and to improve passenger experience and comfort, the bus control method proposed in this invention can handle both rainy and snowy weather. In rainy weather, after environmental detection, the drainage structure and / or suspension system drains water from the bus interior. This not only prevents water from flowing out of the doors or onto passengers in the footwell when the bus is tilting or turning, but also prevents water from corroding metal parts inside the bus, thus improving the interior environment. In snowy weather, a snow removal system can be used to melt snow and ice on the roof, preventing snow and ice from falling and injuring passengers during acceleration, braking, tilting, or turning. Simultaneously, the snow removal system can also handle snow, ice, and water accumulation inside the bus, preventing drainage blockage in the footwell due to ice and snow, and reducing the risk of passengers slipping and getting injured.

[0026] To achieve the above objectives, a second aspect of the present invention provides a passenger vehicle snow removal and drainage system, comprising: a drainage system including a suspension system and a drainage structure disposed on the passenger vehicle floor; an environmental detection device disposed on the passenger vehicle for detecting environmental information surrounding the vehicle; and a controller for controlling the drainage structure and / or the suspension system according to any of the passenger vehicle control methods described above.

[0027] The bus snow removal and drainage system proposed in this embodiment of the invention is equipped with an environmental detection device to acquire information about the vehicle's surrounding environment and road conditions. This acquisition can be based on existing detection devices within the vehicle, allowing for accurate real-time data collection around the vehicle without significant structural changes. This not only provides better judgment for drainage functions but also saves on overall vehicle manufacturing costs. Furthermore, once the environmental information around the vehicle meets the drainage threshold, the drainage system can promptly drain water from the passenger compartment, reducing the risk of corrosion of metal components and the possibility of passengers slipping. Moreover, in drainage operation, combining the drainage structure with the suspension system allows the vehicle's drainage to work in conjunction with the suspension's side-kneeling function. This enables the water inside the vehicle to overcome surface tension, forming a water flow that exits through the drainage structure. This not only guides drainage but also ensures more thorough drainage, improving drainage efficiency and enhancing passenger experience and comfort.

[0028] In some embodiments of the present invention, the drainage structure includes: a plurality of drainage channels disposed on the floor of the bus and arranged left and right along the length of the bus, the drainage channels extending along the length of the bus; drainage holes provided at both ends of each drainage channel; and a control valve provided for each drainage hole to control the opening and closing of the drainage hole.

[0029] In some embodiments of the present invention, the bus snow removal and drainage system further includes: a snow removal system disposed on the roof of the bus; a roof detection device for detecting snow accumulation status information on the roof; and the controller is further configured to control the snow removal system according to any of the bus control methods described above.

[0030] In some embodiments of the invention, the snow removal system includes a heating device disposed on the roof of the vehicle.

[0031] In some embodiments of the present invention, the snow removal system further includes a snow sweeping device disposed on the roof of the vehicle.

[0032] In some embodiments of the present invention, the snow removal device includes: at least one snowplow, one end of which is fixed to the roof of the vehicle and the other end of which is a free end; and a drive member connected to the at least one snowplow for driving the free end of the at least one snowplow to move laterally along the roof of the vehicle.

[0033] In some embodiments of the present invention, the snow removal system further includes a heating element disposed inside the bus for heating the step area inside the bus.

[0034] In some embodiments of the present invention, the environmental detection device includes: a rain sensor for detecting rainfall; a pedestrian flow sensor for detecting pedestrian flow onto vehicles; and a road snow detection device for detecting the state of road snow accumulation.

[0035] In some embodiments of the present invention, the roof detection device includes: a temperature sensor for detecting the ambient temperature of the roof; and a pressure sensor for detecting the pressure on the roof.

[0036] In some embodiments of the present invention, there are multiple pressure sensors distributed around the perimeter of the vehicle roof.

[0037] In some embodiments of the present invention, the bus snow removal and drainage system further includes a prompting device for indicating the status information of the bus's drainage and snow removal.

[0038] To achieve the above objectives, a third aspect of the present invention provides a bus including the bus snow removal and drainage system described in any of the preceding embodiments.

[0039] According to the embodiments of the present invention, the passenger bus employing the snow removal and drainage system of any of the above embodiments can not only promptly drain accumulated water from the passenger compartment, reducing the risk of corrosion of metal parts and the possibility of passengers slipping, but also achieve guided drainage, making drainage more thorough, improving drainage efficiency within the vehicle, and enhancing passenger experience and comfort.

[0040] To achieve the above objectives, a fourth aspect of the present invention also provides a bus, comprising: at least one processor; and a memory connected to at least one processor, the memory storing a computer program, which, when executed by the processor, is used to implement the bus control method described in any of the above embodiments.

[0041] According to the bus proposed in the embodiments of the present invention, when the computer program stored in the memory is executed by at least one processor, it is used to implement any of the bus control methods described above. This not only promptly drains accumulated water from the passenger compartment, reducing the risk of corrosion of metal parts and the possibility of passengers slipping, but also enables guided drainage, making drainage more thorough, improving drainage efficiency within the vehicle, enhancing passenger experience and comfort, and ensuring driving safety.

[0042] To achieve the above objectives, a fifth aspect of the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed, implements the bus control method described in any of the preceding claims.

[0043] According to the embodiments of the present invention, a computer-readable storage medium is provided thereon, on which a computer program is stored. When the computer program is executed by a processor, the bus control method of the above embodiments can be implemented. By adopting this method, the drainage efficiency inside the vehicle can be improved, the drainage can be made more thorough, and the passenger experience and comfort can be enhanced.

[0044] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0045] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0046] Figure 1 A flowchart of a bus control method according to an embodiment of the present invention;

[0047] Figure 2 A flowchart of a bus control method according to another embodiment of the present invention;

[0048] Figure 3 A flowchart of a bus control method according to yet another embodiment of the present invention;

[0049] Figure 4 A flowchart of a bus control method according to yet another embodiment of the present invention;

[0050] Figure 5 A flowchart of a bus control method according to yet another embodiment of the present invention;

[0051] Figure 6 A flowchart of a bus control method according to yet another embodiment of the present invention;

[0052] Figure 7 A flowchart of a bus control method according to yet another embodiment of the present invention;

[0053] Figure 8 A flowchart of a bus control method according to yet another embodiment of the present invention;

[0054] Figure 9 A flowchart of a bus control method according to yet another embodiment of the present invention;

[0055] Figure 10 A flowchart of a bus control method according to yet another embodiment of the present invention;

[0056] Figure 11 A flowchart of a bus control method according to yet another embodiment of the present invention;

[0057] Figure 12A flowchart of a bus control method according to yet another embodiment of the present invention;

[0058] Figure 13 This is a block diagram of a passenger vehicle snow removal and drainage system according to an embodiment of the present invention;

[0059] Figure 14 This is a schematic diagram of a passenger vehicle according to an embodiment of the present invention;

[0060] Figure 15 This is a schematic diagram of a passenger vehicle according to another embodiment of the present invention;

[0061] Figure 16 This is a block diagram of a passenger vehicle snow removal and drainage system according to another embodiment of the present invention;

[0062] Figure 17 A schematic diagram of a passenger vehicle according to yet another embodiment of the present invention;

[0063] Figure 18 This is a block diagram of a passenger vehicle snow removal and drainage system according to yet another embodiment of the present invention.

[0064] Figure 19 This is a block diagram of a passenger vehicle according to an embodiment of the present invention.

[0065] Figure 20 This is a block diagram of a passenger vehicle according to another embodiment of the present invention.

[0066] Figure label:

[0067] Bus 100;

[0068] Processor 101, memory 102;

[0069] Bus snow removal and drainage system 10;

[0070] 1. Drainage system; 2. Environmental monitoring device; 3. Controller; 4. Snow removal system; 5. Roof monitoring device; 6. Warning device;

[0071] 11. Suspension system; 12. Drainage structure; 21. Rain sensor; 22. Timer; 23. Pedestrian flow sensor; 24. Road snow detection device; 25. Slope sensor; 26. Angle sensor; 41. Heating device; 42. Snow removal device; 43. Heating element; 51. Temperature sensor; 52. Pressure sensor.

[0072] Drainage channel 121, drainage hole 122, snowplow bar 421. Detailed Implementation

[0073] The embodiments of the present invention are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present invention are described in detail below.

[0074] The following is for reference. Figures 1-12 A bus control method according to an embodiment of the present invention is described.

[0075] In some embodiments of the present invention, the bus includes a suspension system and a drainage structure installed on the bus floor. In some embodiments, the drainage structure includes drainage holes arranged laterally along the length of the bus on the bus floor. Specifically, multiple water channels arranged laterally can be provided on the bus floor along the length of the bus, with drainage holes at both ends of each channel. Each drainage hole can be equipped with a control valve, and each control valve is connected to the vehicle controller. When drainage is required, the vehicle controller can control the corresponding control valve to open, allowing water in the passenger compartment to drain from the opened drainage hole. Furthermore, the drainage structure designed in the embodiments of the present invention is simple and easy to arrange even in a small bus interior.

[0076] The suspension system refers to the entire support system composed of springs and shock absorbers between the vehicle body and tires. The function of the suspension system is to support the vehicle body and improve ride comfort. Different suspension settings will give the driver different driving experiences. The body control system can control the suspension system to achieve the vehicle's side-kneeling function. Side-kneeling is achieved through mechanical or electronic control of the left front, left rear, right front, and right rear suspensions, lowering the height of the suspension on the same side to achieve the purpose of tilting the vehicle to one side. The suspension system can be controlled through the intelligent electronic control system ECAS (electronically controlled air suspension system for buses / trucks) or controllable airbags with height valves.

[0077] like Figure 1 The diagram shows a flowchart of a bus control method according to an embodiment of the present invention, wherein the method includes at least steps S1-S3, as detailed below.

[0078] S1, obtains information about the vehicle's surrounding environment and the bus's road conditions.

[0079] Among them, the environmental information around the vehicle includes, but is not limited to, the duration of rainfall, the amount of rainfall, and the number of passengers boarding the vehicle after it starts. For example, when collecting information about the environmental information around the vehicle, the detection method is not limited to one. For example, the methods for counting the number of passengers boarding the vehicle include, but are not limited to, the number of times a passenger swipes a card or inserts a coin, or the use of ordinary infrared sensors.

[0080] Specifically, rain sensors, timers, and pedestrian flow sensors can be installed in the vehicle to obtain information about the surrounding environment. For example, a rain sensor can be installed on the windshield of a bus to detect rainfall at the current real-time location of the vehicle; a timer can be integrated into the driver's panel to record the duration of rainfall after the vehicle starts; and a pedestrian flow sensor can be installed on the upper part of the bus door. For example, for buses with a single-sided door, such as a front door and a middle door on the left side of the bus, passengers usually board through the front door and disembark through the middle door. Therefore, a pedestrian flow sensor can be installed on the upper part of the front door of the bus to detect the number of passengers boarding.

[0081] The bus's road condition information may include, but is not limited to, information on the bus entering and leaving stations, road slope information, and steering wheel angle information. Among these, vehicle operation information, including station entry and exit information, can be obtained from the vehicle's controller. A slope sensor can be installed on the bus chassis to detect road slope. Additionally, a steering wheel angle sensor can be installed at the steering wheel to obtain steering wheel angle information.

[0082] Furthermore, the aforementioned rain sensor, timer, pedestrian flow sensor, slope sensor, and corner sensor can all be based on existing detection devices in the vehicle. This allows for accurate collection of real-time data around the vehicle without significant changes to the vehicle structure. This not only provides better judgment for the drainage function but also saves on the overall vehicle manufacturing cost.

[0083] S2, determine if the environmental information around the vehicle meets the drainage threshold conditions.

[0084] In determining whether there is water accumulation inside the vehicle and whether it is necessary to drain the water, a series of drainage threshold conditions can be set. Control modules such as the vehicle controller can control the drainage structure and / or suspension system to perform drainage functions based on these drainage threshold conditions. Each drainage threshold condition can be adjusted according to the user's requirements without specific limitations.

[0085] When determining the total rainfall, the total rainfall after vehicle startup is determined based on the duration and amount of rainfall following vehicle startup. Specifically, the total rainfall after vehicle startup can be calculated using formula (1-1), where V is the total rainfall after vehicle startup, v is the rainfall amount (i.e., the rainfall at the current real-time location of the vehicle), and t is the duration of rainfall after vehicle startup.

[0086] V = v × t (Formula 1-1)

[0087] Furthermore, it's understandable that when a vehicle is operating in rainy weather, excessive rainfall can cause passengers to bring rainwater into the vehicle when boarding and alighting, leading to excessive water accumulation inside. If the number of passengers boarding, based on passenger flow, reaches a threshold for drainage, then the number of passengers boarding is sufficient to cause water accumulation inside the vehicle, necessitating drainage. This drainage threshold can be set as needed, for example, to 10, 15, or 20, etc., without specific limitations. After determining the number of passengers boarding based on passenger flow to reach the drainage threshold, it's also necessary to determine if the total rainfall after the vehicle starts reaches the drainage rainfall threshold. If the total rainfall after the vehicle starts reaches the drainage rainfall threshold, it indicates that the total rainfall is sufficient to cause water accumulation inside the vehicle, requiring drainage.

[0088] Specifically, the drainage rainfall threshold can be calculated according to formula (1-2), where V0 is the drainage rainfall threshold, η is a fixed coefficient, i.e., the ratio of the total amount of rainwater carried by passengers to the actual total rainfall threshold, and v0 is the hourly rainfall threshold. Taking a drainage passenger threshold of 10 people as an example, the reference value of V0 can be calculated to be 0.1 mm according to the above formulas (1-1) and (1-2).

[0089] V0=η×v0×t Formula (1-2)

[0090] S3 controls the drainage structure and / or suspension system based on the bus's road conditions.

[0091] When drainage is required, the vehicle controller can open the corresponding control valve to allow water in the passenger compartment to drain from the open control valve's drain hole. The body controller can control the suspension system to enable the bus's side-kneeling function. The suspension system can be controlled by the intelligent electronic control system ECAS (electronically controlled air suspension system for buses / trucks) or by a controllable airbag with a height valve.

[0092] Based on the above, in the drainage condition, the body controller can control the suspension system to make the vehicle kneel. By controlling the suspension system, the body controller can make the water inside the vehicle overcome the surface tension of the water, so that the water forms a flow. The water flows in the direction of the kneeling of the vehicle body and flows into the water channel in the drainage plate. Finally, it is discharged from the drainage holes at both ends of the water channel to achieve the purpose of drainage.

[0093] In some embodiments of the present invention, it may be combined with Figure 2 To further understand the implementation process of the drainage function in embodiments of the present invention. For example... Figure 2 The diagram shows a flowchart of a bus control method according to another embodiment of the present invention, wherein the bus control method may include steps S10-S50, as detailed below.

[0094] S10: Obtain information about the vehicle's surrounding environment.

[0095] S20 obtains the duration of rainfall, rainfall amount, and passenger flow after the vehicle starts.

[0096] S30, determine whether the drainage threshold condition is met. If the result is "yes", proceed to step S40. If the result is "no", proceed to step S50.

[0097] S40 controls the drainage structure and / or suspension system to perform drainage functions.

[0098] S50 does not perform drainage function.

[0099] According to the bus control method proposed in this embodiment, when acquiring information about the vehicle's surrounding environment and road conditions, existing detection devices in the vehicle can be used. This allows for accurate collection of real-time data about the vehicle's surroundings without significant changes to the vehicle structure. This not only provides better judgment for the drainage function but also saves on overall vehicle manufacturing costs. Furthermore, once the drainage structure determines that the surrounding environment meets the drainage threshold, it can promptly drain water from the passenger compartment, reducing the risk of corrosion of metal parts and the possibility of passengers slipping. Moreover, in drainage operation, combining the drainage structure with the suspension system allows the vehicle's drainage to be integrated with the suspension's side-kneeling function. This enables the water inside the vehicle to overcome surface tension, forming a water flow that exits through the drainage structure. This not only guides the drainage but also makes it more thorough, improving drainage efficiency and enhancing passenger experience and comfort.

[0100] In some embodiments of the present invention, such as Figure 3 The diagram shown is a flowchart of a bus control method according to another embodiment of the present invention, wherein the drainage structure and / or suspension system are controlled according to the bus driving road condition information, i.e., step S3 above, which may specifically include step S31.

[0101] S31, based on the passenger vehicle's entry and exit information, if the passenger vehicle arrives at the station, the suspension system is controlled to tilt the passenger vehicle body to the side away from the boarding door, and the corresponding drainage hole is opened.

[0102] After the bus arrives at the station based on the bus entry and exit information, the vehicle is controlled to drain water. During the drainage process, the body controller can control the suspension system so that the height of the vehicle body on the passenger boarding side does not change, while the vehicle body on the side corresponding to the passenger boarding side will be lowered. At this time, the water inside the vehicle will flow towards the side of the vehicle body due to gravity, flowing into the water trough in the drainage bottom plate, and finally being discharged through the drainage holes at both ends of the water trough, thus achieving the purpose of drainage.

[0103] When the vehicle is performing its drainage function, the suspension system is controlled to cause the bus body to tilt away from the boarding door. This not only does not reduce the boarding height for passengers on the inside, but also ensures that the water flow direction is aligned with the boarding passengers. The drainage will cause water to flow over passengers outside the door and onto the steps, preventing discomfort and improving passenger experience and comfort. Furthermore, compared to traditional drain holes, this tilting function allows water inside the vehicle to overcome surface tension, creating a water flow. This ensures that the water flows along the drainage channel, removing water that is far from the drain holes and located in the center of the floor, preventing water from spreading to the steps or outside the door. This results in more thorough drainage, improved drainage efficiency, and reduced risks of corrosion of metal parts and slippery passengers.

[0104] Furthermore, when setting up the drainage structure, drainage holes can be installed at the edge of the bus floor, which can further reduce processing and manufacturing costs and make it more applicable.

[0105] In some embodiments of the present invention, such as Figure 4 The diagram shown is a flowchart of a bus control method according to another embodiment of the present invention, wherein the drainage structure and / or suspension system are controlled according to the bus driving road condition information, i.e., step S3 above, which may specifically include steps S32 and S33.

[0106] S32, if the bus arrives at the station based on the bus entry and exit information and the bus is on an uphill slope based on the road slope information, then the front suspension on the side of the bus away from the boarding door will be lowered.

[0107] In drainage mode, the system determines whether a passenger train has arrived at the station by monitoring the train's entry and exit information. Drainage is only achieved through the side-kneeling function when the train stops.

[0108] Specifically, when the vehicle pulls into a station, the slope sensor detects the slope of the platform, obtaining road slope information. If the platform is on an uphill slope, the bus tilts backward after pulling in. This overall tilt causes water inside the vehicle to flow backward. Because there is a raised section in the middle of the vehicle, the water accumulates on the floor between the raised section and the drain hole. Taking the door on the right side of the vehicle as an example, the vehicle controller can control the suspension system to lower the left front suspension, reducing the height difference between the front and rear of the vehicle and increasing the height difference between the left and right sides. The water accumulated on the floor between the raised section and the drain hole is then drained from the drain hole located at the left front of the vehicle, achieving the purpose of draining water away from the passenger side.

[0109] S33: If the bus arrives at the station based on the bus entry and exit information and the bus is on a downhill slope based on the road slope information, then the rear suspension on the side of the bus away from the boarding door will be lowered.

[0110] If the platform is on a downhill road, the vehicle will tilt forward after it stops. Due to the presence of the cab protrusion, water will flow towards the front of the cab, easily wetting passengers boarding through the front door. Therefore, the vehicle controller can control the suspension system to lower the left rear suspension of the vehicle, reducing the height difference between the front and rear of the vehicle and increasing the height difference between the left and right sides. The water inside the passenger compartment will be drained from the drain hole located on the left side of the vehicle, achieving the purpose of drainage while ensuring that passengers are not wet.

[0111] Based on the above, by controlling the side-kneeling function provided by the suspension system, the bus control method of this embodiment can be applied to stations with a certain slope. By controlling the lifting and lowering of a single suspension, it can prevent passengers at the front of the vehicle from getting wet when going downhill, and also solve the problem of incomplete drainage when going downhill.

[0112] In some embodiments of the present invention, such as Figure 4 As shown, the bus control method may also include step S4, as detailed below.

[0113] S4, after determining that no one is boarding based on the passenger flow, controls the suspension system to straighten the bus body.

[0114] When no more passengers are detected boarding, the vehicle immediately straightens, closes the doors, and continues driving. This ensures driving safety without increasing travel time, achieving the goal of intelligent drainage and realizing the intelligent drainage function.

[0115] In some embodiments of the present invention, such as Figure 5 The diagram shown is a flowchart of a bus control method according to another embodiment of the present invention, wherein the drainage structure and / or suspension system are controlled according to the bus driving road condition information, i.e., step S3 above, and may further include step S34.

[0116] S34, if the vehicle turns based on the steering wheel angle information, the drain hole on the outside of the vehicle's steering will open.

[0117] This system uses a steering wheel angle sensor to detect vehicle turning, and then controls the opening of a valve at the centrifugal drain hole to drain water during turns. For example, when the vehicle turns left, water inside the passenger compartment flows to the right due to centrifugal force, causing the valve at the drain hole on the right side of the vehicle to open and drain the water. Similarly, when the vehicle turns right, water flows to the left due to centrifugal force, causing the valve at the drain hole on the left side of the vehicle to open and drain the water. Compared to existing technologies, this drainage method utilizes the centrifugal force of water inside the vehicle during turns, providing a multi-pathway drainage system that ensures the practicality of the drainage structure and improves drainage efficiency.

[0118] In some embodiments, such as Figure 6 The diagram shown is a flowchart of a bus control method according to another embodiment of the present invention, wherein the bus control method may further include step S5, as detailed below.

[0119] S5, if the total rainfall after vehicle startup is determined to reach the extreme weather rainfall threshold, then control the suspension system to raise the vehicle body to a preset height, where the extreme weather rainfall threshold is greater than the drainage rainfall threshold.

[0120] The system allows setting extreme weather rainfall thresholds as needed. For example, the threshold can be set to a standard value based on the bus's chassis height and the local average rainfall. No specific limitations are specified here. When rainfall exceeds the standard value, the system recognizes it as extreme weather. In this case, the road surface water depth may exceed the vehicle floor, causing water seepage into the vehicle or obstructing wheel movement and drainage. The body controller can then control the suspension system to simultaneously raise all four suspensions, moving the vehicle away from snow accumulation to ensure normal vehicle operation and drainage. Furthermore, this preset height is greater than the normal driving height of the bus.

[0121] According to the bus control method of the present invention, the height of the four wheels is raised simultaneously to cope with situations where the depth of water or snow on the road exceeds the vehicle floor under extreme weather conditions. Compared with the prior art, this can prevent water seepage inside the vehicle and ensure passenger comfort, as well as prevent external pressure from causing drainage blockage and improve drainage efficiency.

[0122] In some embodiments of the present invention, such as Figure 7 The diagram shown is a flowchart of a bus control method according to another embodiment of the present invention, wherein the bus control method may further include steps S101-S118, as detailed below.

[0123] S101, determine whether the vehicle is started. If the result is "yes", proceed to step S102. If the result is "no", end.

[0124] S102, obtain the rainfall v.

[0125] S103, obtain the duration t of rainfall after the vehicle starts.

[0126] S104, obtain the passenger flow N.

[0127] S105, determine whether N > N0 is satisfied. If the result is "yes", proceed to step S106. If the result is "no", return to step S104. Here, N0 is the threshold for the number of people draining water, and the reference value of N0 can be set to 10.

[0128] S106, determine whether V > V0. If the result is "yes", proceed to step S107. If the result is "no", it means that the total rainfall has not reached the level of water accumulation inside the vehicle, so return to step S102 and continue until the total rainfall V is greater than V0, then exit the loop. Here, V is the total rainfall after the vehicle starts, and V0 is the drainage rainfall threshold.

[0129] S107, determine whether the vehicle has arrived at the station. If the result is "yes", proceed to step S108. If the result is "no", proceed to step S114.

[0130] S108, the suspension system returns to its initial height.

[0131] S109 indicates that drainage has begun. The suspension system is controlled to tilt the vehicle to the left, opening the corresponding drainage holes. Passengers are assumed to board from the right side of the bus by default.

[0132] S110, open the car door.

[0133] S111, determine if there are passengers getting on or off the vehicle. If the result is "yes", continue with step S111. If the result is "no", proceed to step S112.

[0134] S112, control the suspension system to straighten the vehicle body and close the doors, indicating that drainage is complete. After executing step S112, return to step 101.

[0135] S113, determine whether V > V1 is satisfied. If the result is "yes", proceed to step S114. If the result is "no", proceed to step S115. Here, V1 is the extreme weather rainfall threshold and V1 > V0.

[0136] S114, the suspension of all four wheels is raised to a certain height.

[0137] S115, the suspension system returns to its initial height.

[0138] S116, determine whether the vehicle is turning. If the result is "yes", proceed to step S117. If the result is "no", proceed to step S118.

[0139] S117 opens the drain hole that controls the vehicle's steering to the outside.

[0140] S118 then controls the vehicle to turn outwards and closes the drain hole. After executing steps S117 and S118, the process returns to step 107.

[0141] In some embodiments of the present invention, the bus also includes a snow removal system, wherein the snow removal system is used to perform snow removal functions, including but not limited to snow sweeping devices and heating devices, and the snow removal system can be installed on the roof and in the passenger compartment to achieve the snow sweeping function.

[0142] Specifically, in some embodiments, the snow removal system includes a heating device installed on the roof and heating elements for heating the footwell area inside the vehicle. It is understood that when a bus is traveling in rainy or snowy weather, the bus roof is usually covered with snow. When there is snow on the bus roof, the snow and ice can easily fall during braking, acceleration, steering, and side-bending maneuvers. If passengers are getting on or off the bus at this time, or if pedestrians are passing by, there is a risk of injury to waiting passengers and pedestrians around the vehicle. Therefore, a heating device, such as a PTC heater, can be installed on the bus roof to heat and melt the accumulated snow and ice, thereby effectively preventing snow and ice from falling from the roof during braking, acceleration, steering, and side-bending maneuvers, reducing the risk of injury to waiting passengers and pedestrians around the vehicle, and more effectively ensuring their safety.

[0143] Furthermore, for buses, in snowy weather, frequent door opening and closing and passenger boarding and alighting often lead to ice and snow accumulation in the passenger compartment's step areas. When ice and snow are present in these areas, it restricts passenger movement and reduces passenger comfort. Moreover, excessive snow and snow accumulation can cause drainage blockages. Installing heating elements in the step areas can effectively melt the ice and snow, increasing passenger movement space, improving passenger comfort, preventing drainage blockages, and raising the interior temperature to combat the cold, thus enhancing passenger comfort.

[0144] Furthermore, both the heating device on the roof and the heating element for heating the steps inside the vehicle can be a PTC heater.

[0145] In other embodiments, the snow removal system also includes a snow sweeping device installed on the roof. Considering the heavy snowfall and thick snow and ice accumulation on the roof, simply using the roof heating device to heat the snow on the roof may not be sufficient to completely melt it. Therefore, a snow sweeping device can be installed on the roof to remove the snow. Specifically, a snow sweeping device can be installed around the perimeter of the roof to remove snow around that perimeter. By controlling the cooperation between the snow sweeping device and the roof heating device during snowfall, the snow removal system can be adapted to situations with thick snow and ice accumulation on the roof, improving its ability to remove snow and ice and ensuring the safety of passengers getting on and off the vehicle.

[0146] Based on the existing snow removal system in the bus, this invention also proposes a bus control method for the snow removal system, such as... Figure 8The diagram shown is a flowchart of a bus control method according to another embodiment of the present invention, wherein the bus control method further includes steps S6 and S7, as detailed below.

[0147] S6, obtain information on the snow accumulation status on the vehicle roof.

[0148] The information regarding the snow accumulation on the vehicle roof includes, but is not limited to, the ambient temperature and pressure on the roof. For example, embodiments of the present invention may employ temperature and pressure sensors to determine whether snow or ice exists on the roof. Furthermore, to obtain more accurate detection results, multiple pressure sensors can be used, distributed along the four perimeters of the roof. For instance, six pressure sensors can be installed along the four perimeters of the roof, evenly distributed along the edges.

[0149] Specifically, the detected roof pressure is determined by the values ​​measured by six pressure sensors, which can be set to P1, P2, P3, P4, P5, and P6. The roof pressure can be calculated using formula (1-3). Here, P represents the roof pressure, n is the number of sensors that have detected pressure values, and i ranges from 1 to 6. To eliminate interference from falling objects, if only one or two adjacent pressure sensors detect a pressure value while the others do not, the value of P is 0; otherwise, the average of the n pressure values ​​is used.

[0150]

[0151] Furthermore, when detecting the snow accumulation status information on the vehicle roof, the detection method is not limited to one. In addition to the above-mentioned methods, other methods can also be used, such as using a temperature sensor to measure the roof temperature, using ordinary sensors to measure the thickness of ice and snow to determine whether there is snow accumulation or icing, and image recognition can also be used as an alternative.

[0152] Furthermore, the aforementioned devices for acquiring information on the snow accumulation on the vehicle roof can all be based on existing detection devices in the vehicle. This allows for accurate collection of information on the snow accumulation on the roof without significant changes to the vehicle structure. This not only provides a better basis for the snow removal system to perform its snow removal function but also saves on the overall vehicle manufacturing cost.

[0153] S7 determines that the snow accumulation on the vehicle roof meets the snow removal threshold conditions and controls the snow removal system to start.

[0154] In determining whether there is snow accumulation on the roof and inside the vehicle and whether snow removal is necessary, a series of snow removal threshold conditions can be set. Control modules, such as the vehicle controller, can control the snow removal system to perform snow removal functions based on these snow removal threshold conditions. Each snow removal threshold condition can be adjusted according to the user's requirements without specific limitations.

[0155] Specifically, the controllable snow removal system can operate under three conditions: 1. There is ice and snow on the vehicle roof; 2. The snow accumulation rate is accelerating; 3. When there is a thick layer of ice and snow on the road surface, the snow brought by passengers after boarding melts into water, causing water accumulation. At most one of these three conditions must exist for the snow removal system to perform its snow removal function.

[0156] Specifically, the heating device is activated when the ambient temperature of the vehicle roof is determined to be below a temperature threshold and the pressure on the vehicle roof is greater than or equal to a first pressure threshold. The temperature threshold can be set according to the current melting conditions of the ice and snow; for example, it can be set to 0°C. The first pressure threshold can also be set according to the density of the ice and snow and the pressure detection area, etc., without further specific limitations.

[0157] Specifically, the first pressure threshold can be calculated according to formula (1-4), where P0 is the first pressure threshold, ρ is the average density of snow, g is the weight acceleration, and H is the average pressure threshold. d The threshold value for ice and snow thickness on the roof is used to calculate the first pressure threshold P0, with a reference value of 314 Pa.

[0158] P0=ρ×g×H d Formula (1-4)

[0159] The system uses a temperature sensor to obtain the current ambient temperature of the vehicle roof and determines whether it is below a certain temperature threshold. If the threshold is "no," it indicates that there is no possibility of snow or ice accumulation on the roof. If the threshold is "yes," it indicates that there is a possibility of snow or ice accumulation on the roof. Further, the system measures the roof pressure. If the roof pressure is greater than a first pressure threshold, it indicates that there is snow or ice on the roof, requiring the snow removal system to be activated. In this case, the heating device is activated to heat the snow on the roof.

[0160] Furthermore, if the snow accumulation on the roof meets the snow removal threshold, the heating element will be activated. It's understandable that when there is snow or ice on the roof, the step area will also likely have snow or ice, so a separate check for the step area is unnecessary. If it's determined that there is snow or ice on the step area, and the snow removal system needs to be activated to remove snow from the top of the step area, then the heating element located in the step area will be activated to heat the snow accumulation.

[0161] Furthermore, if the current roof ambient temperature is below the temperature threshold but the roof pressure is below the first pressure threshold, it only indicates that there is currently no snow accumulation on the roof. However, in snowy weather with heavy snowfall, snow may accumulate rapidly on the roof. Therefore, the pressure change rate of the roof pressure can be further obtained. If it is determined that the roof ambient temperature is below the temperature threshold and the pressure change rate is greater than or equal to the change rate threshold, the heating device is activated.

[0162] The change rate threshold can be set as needed, and no limitation is made here. When it is determined that the ambient temperature of the vehicle roof is lower than the temperature threshold and the pressure change rate is greater than or equal to the change rate threshold, it indicates that the snowfall is large and snow will soon accumulate on the vehicle roof. At this time, the heating device also needs to be activated to heat the vehicle roof.

[0163] Furthermore, when the roof pressure is determined to be greater than a second pressure threshold, the snow removal device is activated. It is understood that the second pressure threshold can be set as needed; no specific limitation is made here. The second pressure threshold is greater than the first pressure threshold. When the roof pressure is determined to be greater than the second pressure threshold, it indicates that the snow and ice accumulation on the roof is relatively thick, requiring enhanced snow removal. At this point, the roof-mounted snow removal device can be activated to remove the snow from the roof. Moreover, by controlling the coordination between the snow removal device and the roof heating device, the snow removal system's ability to remove snow and ice from the roof can be further enhanced, ensuring the safety of passengers getting on and off the vehicle.

[0164] Based on the above, the embodiments of the present invention monitor the snow and ice accumulation on the steps and roof, which is more accurate and effective than traditional methods such as weather forecasts. It can promptly activate the snow removal system when there is snow accumulation, ice accumulation, or heavy snowfall, so as to achieve timely and effective snow removal on the roof and steps.

[0165] In some embodiments of the present invention, such as Figure 9 The diagram shown is a flowchart of a bus control method according to another embodiment of the present invention, wherein the bus control method further includes step S8, as detailed below.

[0166] S8, if the roof pressure is less than the first pressure threshold and the pressure change rate is less than the change rate threshold, then the heating device is turned off.

[0167] If the pressure on the roof is determined to be greater than the first pressure threshold, it indicates that there is no ice or snow on the roof. Furthermore, if the pressure change rate is determined to be less than the change rate threshold, it indicates that the snowfall is small or nonexistent, and the possibility of snow accumulation on the roof is negligible. Therefore, snow removal is not required, and the heating device is shut off. This embodiment of the bus control method employs a closed-loop control approach. When there is no snow accumulation, ice formation, or potential snow buildup on the roof, the snow removal system is promptly shut off, conserving energy, ensuring continued operation, and reducing operating costs.

[0168] In some embodiments of the present invention, the vehicle's surrounding environment information includes the number of passengers boarding the vehicle and the thickness of the snow on the road surface. Determining that the vehicle's surrounding environment information meets the drainage threshold conditions further includes: determining, based on the number of passengers boarding the vehicle, that the number of passengers boarding the vehicle reaches a drainage threshold and the snow thickness on the road surface reaches a thickness threshold; or, determining, based on the number of passengers boarding the vehicle, that the number of passengers boarding the vehicle reaches a drainage threshold and the pressure change rate of the vehicle roof pressure is greater than or equal to a change rate threshold.

[0169] Infrared sensors can be installed on the vehicle chassis to measure the thickness of snow on the road surface. Understandably, when vehicles are operating in snowy weather, and snow accumulation is particularly thick on many roads, passengers will bring some snow into the vehicle when boarding and alighting. This snow, whether brought into the vehicle or accumulated in the footwell, will melt and create water on the floor. If the number of passengers boarding is determined to reach a threshold for water drainage, then the water inside the vehicle needs to be drained.

[0170] The system allows setting a threshold for the number of passengers requiring drainage, such as 10, 15, or 20, without specific limitations. It also allows setting a thickness threshold, such as 2cm, 5cm, or 10cm, again without limitation. After determining the number of passengers reaching the drainage threshold based on passenger flow, it's necessary to further determine if the road snow thickness reaches the thickness threshold. This indicates thick snow and ice, which may cause water accumulation inside the vehicle due to passengers bringing rain or snow. In this case, the drainage function needs to be activated.

[0171] Alternatively, after determining the number of passengers boarding based on the passenger flow and finding that the number of passengers has reached the drainage threshold, it is also necessary to further determine whether the pressure change rate of the roof pressure is greater than or equal to the change rate threshold. This indicates that the snowfall is relatively large and snow will soon accumulate in the step area. When passengers board the vehicle, snow will accumulate on their shoelaces, which will lead to water accumulation inside the vehicle. In this case, the drainage function also needs to be activated.

[0172] Furthermore, when the snow depth on the road surface is determined to be greater than the normal value, the system identifies it as extreme weather. At this time, the snow depth on the road surface may be higher than the vehicle floor, causing water seepage inside the vehicle or obstruction of wheel movement and drainage. In this case, the body controller can control the suspension system to raise all four suspensions at the same time, so that the vehicle body is away from the snow accumulation, ensuring normal vehicle driving and drainage.

[0173] In some embodiments of the present invention, it may be combined with Figure 10 To further understand the implementation process of the snow removal function in embodiments of the present invention. In some embodiments of the present invention, such as Figure 10 The diagram shown is a flowchart of a bus control method according to another embodiment of the present invention, wherein the bus control method may include steps S01-S011, as detailed below.

[0174] S01, obtain information on the snow accumulation status on the vehicle roof.

[0175] S02, obtain the roof ambient temperature, roof pressure and the rate of change of roof pressure.

[0176] S03, determine whether the snow removal threshold condition is met. If the result is "yes", proceed to step S04. If the result is "no", proceed to step S06.

[0177] S04, start the heating device.

[0178] S05, continue to determine whether the snow removal threshold condition is met. If the determination result is "yes", then proceed to step S07. If the determination result is "no", then proceed to step S06.

[0179] S06, turn off the heating device.

[0180] S07, Obtain information about the vehicle's surrounding environment.

[0181] S08 obtains the number of people getting on vehicles and the thickness of snow on the road.

[0182] S09, determine whether the drainage threshold condition is met. If the result is "yes", proceed to step S010. If the result is "no", proceed to step S011.

[0183] S010, control the drainage structure and / or suspension system to perform drainage functions.

[0184] S011, Drainage function not performed.

[0185] In some embodiments of the present invention, such as Figure 11 The diagram shown is a flowchart of a bus control method according to another embodiment of the present invention, wherein the bus control method further includes step S9, as detailed below.

[0186] S9 obtains the status information of the bus's drainage and snow removal, and displays the status information.

[0187] The bus's drainage and snow removal status information includes drainage function start information, drainage function end information, snow removal system start information, and snow removal function shutdown information. Snow removal system start information can include heating device start information and snow sweeping device start information, while snow removal function shutdown information can include heating device shutdown information and snow sweeping device shutdown information. The body controller can send the bus's drainage and snow removal status information to the instrument panel, which then displays the status information, allowing the driver to better understand the vehicle's condition.

[0188] Based on the above, the method for controlling the snow removal and drainage system of a bus according to embodiments of the present invention provides two functions for the bus: drainage and snow removal, based on information about the surrounding environment, road conditions, and snow accumulation on the roof. Furthermore, the activation and deactivation prompts for each device and module can be transmitted from the vehicle body controller to the instrument panel, allowing the driver to better understand the vehicle's condition. Compared with existing technologies, the method of the present invention not only monitors snow and ice accumulation on the steps and roof, but also displays roof condition prompts on the instrument panel, including the presence of snow and ice or heavy snowfall, enabling the driver to be more alert and react better to corresponding situations, thus improving driving safety.

[0189] In some embodiments of the present invention, such as Figure 12 The diagram shown is a flowchart of a bus control method according to another embodiment of the present invention, wherein the bus control method may further include steps S201-S233, as detailed below.

[0190] S201, determine whether the vehicle is started. If the result is "yes", proceed to step S202. If the result is "no", end.

[0191] S202, obtain the ambient temperature T on the roof.

[0192] S203, determine whether T < T0 is satisfied. If the result is "yes", proceed to step S204. If the result is "no", proceed to step S104. Here, T0 is the temperature threshold, and the reference value of T0 can be set to 0℃.

[0193] S204, obtain the roof pressure P.

[0194] S205, determine whether P > P0 is satisfied. If the result is "yes", proceed to step S206. If the result is "no", proceed to step S207. Here, P0 is the first pressure threshold, and the reference value of P0 can be set to 314 Pa.

[0195] S206, warning: There is ice and snow on the roof; the snow removal system will be activated soon.

[0196] S207, obtain the pressure change rate ΔP of the roof pressure.

[0197] S208, determine whether ΔP>ΔP0 is satisfied. If the result is "yes", proceed to step S209. If the result is "no", proceed to step S218. Here, ΔP0 is the rate of change threshold, and the reference value of ΔP0 can be set to 30Pa.

[0198] S209, warning: Heavy snowfall, snow accumulation on the roof is imminent, snow removal system will be activated soon.

[0199] S210, start the heating device and heating element.

[0200] S211, determine whether P > P1 is satisfied. If the result is "yes", proceed to step S212. If the result is "no", proceed to step S213. Here, P1 is the second pressure threshold, where P1 > P0.

[0201] S212, activate the snow removal device.

[0202] S213, continue to determine whether P > P0 is satisfied. If the result is "yes", then execute step S214. If the result is "no", then execute step S218.

[0203] S214. Determine whether P > P1 is satisfied. If the result is "yes", proceed to step S218. If the result is "no", proceed to step S215.

[0204] S215, turn off the snow removal device.

[0205] S216, determine whether ΔP>ΔP0 is satisfied. If the result is “yes”, proceed to step S218. If the result is “no”, proceed to step S217.

[0206] S217 indicates that the snow removal system will be shut down soon.

[0207] S218, obtain the snow thickness H on the road surface.

[0208] S219, obtain the passenger flow N.

[0209] S220, determine whether N > N0 is satisfied. If the result is "yes", proceed to step S221. If the result is "no", continue to proceed to step S220. Here, N0 is the threshold for the number of people draining water, and the reference value of N0 can be set to 10.

[0210] S221, determine whether H > H0 is satisfied. If the result is "yes", proceed to step S223. If the result is "no", proceed to step S22n. Here, H0 is the thickness threshold, and the reference value of H0 can be set to 2cm.

[0211] S22n, determine whether ΔP>ΔP0 is satisfied. If the result is "yes", then execute step S222. If the result is "no", then return to execute step S218.

[0212] S222, determine whether the vehicle has arrived at the station. If the result is "yes", proceed to step S223. If the result is "no", proceed to step S228.

[0213] S223, the suspension system returns to its initial height.

[0214] S224 indicates that drainage has begun. The suspension system is controlled to tilt the vehicle to the left, opening the corresponding drainage holes. Passengers are assumed to board from the right side of the bus by default.

[0215] S225, open the car door.

[0216] S226, determine if there are passengers getting on or off the vehicle. If the result is "yes", proceed to step S227. If the result is "no", proceed to step S226.

[0217] S227: Control the suspension system to straighten the vehicle body and close the doors, indicating that drainage is complete. After executing step S227, return to step S201.

[0218] S228. Determine whether H > H1 is satisfied. If the result is "yes", proceed to step S229. If the result is "no", proceed to step S230. Here, H1 is the extreme weather snowfall threshold and H1 > H0.

[0219] S229, the suspension of all four wheels is raised to a certain height.

[0220] S230, the suspension system returns to its initial height.

[0221] S231, determine whether the vehicle is turning. If the result is "yes", proceed to step S232. If the result is "no", proceed to step S233.

[0222] S232 controls the opening of the drain hole on the outside of the vehicle's steering wheel.

[0223] S233 then controls the vehicle to turn outwards and close the drain hole. After executing steps S232 and S233, the process returns to step S218.

[0224] Based on the above, the embodiments of the present invention are not limited to the step area for dealing with water accumulation inside the vehicle, but also include the floor area above the step area. The method of controlling the snow removal and drainage system of the bus can better ensure that all passengers in the vehicle have a clean and comfortable riding space.

[0225] In some embodiments of the present invention, a snow removal and drainage system for passenger vehicles is also proposed, such as... Figure 13 The diagram shown is a block diagram of a bus snow removal and drainage system according to an embodiment of the present invention. The bus snow removal and drainage system 10 includes a drainage system 1, an environmental monitoring device 2, and a controller 3.

[0226] The drainage system 1 includes a suspension system 11 and a drainage structure 12 installed on the floor of the bus.

[0227] The suspension system refers to the entire support system composed of springs and shock absorbers between the vehicle body and tires. The function of the suspension system is to support the vehicle body and improve ride comfort. Different suspension settings will give the driver different driving experiences. The body control system can control the suspension system to achieve the vehicle's side-kneeling function. Side-kneeling is achieved through mechanical or electronic control of the left front, left rear, right front, and right rear suspensions, lowering the height of the suspension on the same side to achieve the purpose of tilting the vehicle to one side. The suspension system can be controlled through the intelligent electronic control system ECAS (electronically controlled air suspension system for buses / trucks) or controllable airbags with height valves.

[0228] Among them, can be combined Figure 14 To understand the drainage structure 12 of this embodiment of the invention, as follows: Figure 14 The diagram shown is a schematic of a passenger vehicle according to an embodiment of the present invention.

[0229] Considering that passengers are typically located in the central area of ​​the floor when riding in the vehicle, and that if water accumulates in the passenger compartment during operation, it may flow across the floor due to acceleration, deceleration, or turning, the drainage structure 12 consists of multiple drainage channels 121 arranged laterally along the length of the bus. Specifically, multiple drainage channels 121 can be provided on each side of the floor. When drainage is needed, water in the passenger compartment can flow into the channels 121 at the edges, without affecting passengers located in the central area of ​​the floor. Furthermore, placing the drainage structure 121 on the bus floor along the edges of the bus's length is a simple design that is convenient for placement even in small passenger compartments.

[0230] Drainage holes 122 are provided at both ends of each drainage trough 121. Furthermore, the drainage trough 121 can be configured with a structure that is higher in the middle and lower near the drainage holes 122, making it easier for accumulated water to drain. A control valve (not shown in the figure) is provided for each drainage hole 122 to control its opening and closing. Each control valve is connected to a controller 3. When drainage is required, the controller 3 can control the corresponding control valve to open, allowing accumulated water in the carriage to drain from the opened drainage hole 122.

[0231] An environmental monitoring device 2 is installed on the bus 100 to detect information about the environment around the vehicle. This information includes, but is not limited to, the duration of rainfall, the amount of rainfall, and the number of passengers boarding the bus after it starts.

[0232] Among them, can be combined Figure 15 Understanding the environmental detection device 2 of this embodiment of the invention, such as... Figure 15 The diagram shown is a schematic of a passenger vehicle according to another embodiment of the present invention.

[0233] The environmental monitoring device 2 may include a rain sensor 21, a pedestrian flow sensor 23, and a road snow detection device 24, etc.

[0234] Specifically, such as Figure 15 As shown, a rain sensor 21 can be installed on the windshield of the bus to detect rainfall. A passenger flow sensor 23 can be installed on the upper part of the bus door. For example, for buses with a single-sided door, such as a front door and a middle door on the left side, passengers typically board through the front door and alight through the middle door. Therefore, the passenger flow sensor 23 can be installed on the upper part of the front door to detect the number of passengers boarding. An infrared sensor can be installed on the vehicle chassis as a road snow detection device 24 to detect the road snow condition, such as measuring the snow thickness. More specifically, the environmental detection device 2 may also include a timer 22, a slope sensor 25, and a turning angle sensor 26, such as... Figure 14 As shown, timer 22 can be integrated into the driver's panel to record the duration of rainfall after the vehicle is started. And, as... Figure 15 As shown, a slope sensor 25 can be installed on the chassis of the bus to detect the road surface slope. An angle sensor 26 can also be installed at the steering wheel to obtain steering wheel angle information.

[0235] Furthermore, each structure in the aforementioned environmental detection device 2 can be based on the existing detection device in the bus 100. This allows for the accurate collection of real-time data around the vehicle without significant changes to the vehicle structure. This not only provides a better basis for judgment when performing drainage functions but also saves on the overall vehicle manufacturing cost.

[0236] Furthermore, when detecting information about the environment around a vehicle, the detection methods are not limited to one or more of the above. For example, methods for counting the number of passengers boarding the vehicle include, but are not limited to, the number of times a passenger swipes a card or inserts a coin, or the use of ordinary infrared sensors.

[0237] Among them, the controller 3 can be a control module in the bus, such as the vehicle controller, for data analysis and control functions. The specific process by which the controller 3 controls the drainage structure 12 and / or the suspension system 11 according to any of the bus control methods mentioned above can be understood in conjunction with the above embodiments, and will not be elaborated here.

[0238] According to the embodiments of the present invention, the bus snow removal and drainage system 10 is equipped with an environmental detection device 2. When acquiring information about the surrounding environment and road conditions of the bus, the device can acquire this information based on existing detection devices in the vehicle. This allows for accurate collection of real-time data about the vehicle's surroundings without significant changes to the vehicle structure. This not only provides a better basis for judgment when performing drainage functions but also saves on the overall vehicle manufacturing cost. Furthermore, after determining that the environmental information around the vehicle meets the drainage threshold conditions, the drainage system 1 can promptly drain the water inside the passenger compartment, reducing the risk of corrosion of metal parts and the possibility of passengers slipping. In addition, during drainage operations, the drainage structure 12 is combined with the suspension system 11, allowing the overall vehicle drainage to be combined with the side-kneeling function of the suspension system 11. This enables the water inside the vehicle to overcome the surface tension of the water, forming a water flow that is discharged from the drainage structure 12. This not only achieves guided drainage but also makes the drainage more thorough, improving the drainage efficiency inside the vehicle and enhancing passenger experience and comfort.

[0239] In some embodiments of the present invention, such as Figure 16 The diagram shown is a block diagram of a bus snow removal and drainage system according to another embodiment of the present invention. The bus snow removal and drainage system 10 further includes a snow removal system 4 and a roof detection device 5, which can be combined with... Figure 14 and Figure 17 Understand the snow removal system 4 and the roof detection device 5 of this embodiment of the invention. Figure 17 This is a schematic diagram of a passenger vehicle according to yet another embodiment of the present invention.

[0240] It is understandable that when a bus is traveling in rainy or snowy weather, the roof of the bus is usually covered with snow. When there is snow on the roof of the bus, the ice and snow on the roof are prone to fall when the bus brakes, accelerates, turns, or rolls to the side. If passengers are getting on or off the bus or pedestrians are passing by at this time, there is a risk of injuring waiting passengers and pedestrians around the vehicle. Therefore, the snow removal system 4 is installed on the roof of the bus 100.

[0241] In some embodiments, such as Figure 17 As shown, the snow removal system 4 includes a heating device 41 installed on the roof. The heating device 41 can be a PTC heater installed on the roof of the bus 100. Specifically, multiple PTC heaters can be installed on the edge of the roof to heat the snow and ice accumulated at the edge of the roof and melt it, thereby effectively preventing snow and ice from falling from the edge of the roof when the bus brakes, accelerates, turns, or kneels, reducing the risk of injuring waiting passengers and pedestrians around the vehicle, and more effectively ensuring their safety.

[0242] Considering the heavy snowfall and thick snow and ice accumulation on the vehicle roof, simply using the roof heating device 41 to heat the snow on the roof is insufficient to completely melt the snow and ice. Therefore, in some embodiments, the snow removal system 4 also includes a snow sweeping device 42 installed on the roof. This snow sweeping device 42 is used to sweep the snow off the roof. Specifically, the snow sweeping device 42 can be installed around the perimeter of the roof, such as... Figure 16 As shown, the snow removal device 42 includes at least one snowplow 421 and a drive member (not shown). One end of the at least one snowplow 421 is fixed to the roof of the vehicle, and the other end of the at least one snowplow 421 is a free end. The drive member is connected to the at least one snowplow 421 and is used to drive the free end of the at least one snowplow 421 to move laterally along the roof of the vehicle. When the free end of the snowplow 421 moves laterally along the roof of the vehicle, it can sweep away the snow accumulated around the roof.

[0243] Based on the above, by controlling the cooperation between the snow removal device 42 and the heating device 41 on the roof during snowfall, the snow removal system 4 can be adapted to situations where there is a thick accumulation of ice and snow on the roof, thereby improving the snow removal system 4's ability to remove ice and snow from the roof and ensuring the safety of passengers getting on and off the vehicle.

[0244] In some embodiments, the roof detection device 5 is used to detect snow accumulation status information on the roof. This roof snow accumulation status information includes, but is not limited to, roof ambient temperature and roof pressure. Specifically, as... Figure 17 As shown, the roof detection device 5 includes a temperature sensor 51 and a pressure sensor 52.

[0245] Temperature sensor 51 can be installed on the roof to detect the ambient temperature of the roof. Understandably, snow and ice will only accumulate on the roof in rainy or snowy weather when the ambient temperature is below the melting point of snow and ice.

[0246] When snow or ice accumulates on the roof, the pressure on the roof changes. Therefore, a pressure sensor 52 can be installed on the roof to detect this pressure. After detecting whether the ambient temperature on the roof reaches the snow accumulation temperature, the pressure on the roof can be used to further determine whether snow accumulation exists. Furthermore, to obtain more accurate detection results, multiple pressure sensors 52 can be used, distributed around the perimeter of the roof. For example, as... Figure 17 As shown, six pressure sensors 52 can be installed around the four edges of the vehicle roof, and the six pressure sensors 52 are evenly distributed along the edges. The detected roof pressure is determined by the detection values ​​of the six pressure sensors 52. To eliminate interference from falling objects on the pressure sensors 52, if only one or two adjacent pressure sensors 52 detect a pressure value while the other pressure sensors 52 do not detect a pressure value, the P value is set to 0; otherwise, the average value of the n pressures is taken.

[0247] The roof detection device 5 of this invention, by arranging six pressure sensors 52 at different positions on the roof and processing the measured pressure values, can eliminate misjudgments of the roof environment caused by accidental factors such as objects falling onto the roof, ensuring the accuracy of the judgment. Furthermore, the roof detection device 5 can perform real-time monitoring, providing more accurate and effective information than traditional methods such as weather forecasts. Compared with existing technologies, the roof detection device 5 can better monitor the ice and snow conditions on the roof and provide a more timely, effective, and accurate judgment on when to activate the intelligent snow removal system 4.

[0248] Furthermore, when detecting the snow accumulation status information on the vehicle roof, the detection method is not limited to one. In addition to the above-mentioned scheme, other schemes can also be used. For example, a temperature sensor can be set to measure the temperature of the vehicle roof, a regular sensor can be used to measure the thickness of the ice and snow to determine whether there is snow accumulation or icing. Image recognition can also be used as an alternative scheme.

[0249] Furthermore, the aforementioned roof detection device 5 can all be based on existing detection devices in the vehicle. This allows for accurate collection of information on the snow accumulation on the roof without significant changes to the vehicle structure. This not only provides a better basis for the snow removal system 4 to perform its snow removal function, but also saves on the overall vehicle manufacturing cost.

[0250] In some embodiments, the controller 3 is also used to control the snow removal system 4 according to any of the bus control methods described above. The specific process of controlling the snow removal system 4 can be understood in conjunction with the above embodiments, and will not be described in detail here.

[0251] In some embodiments of the present invention, the snow removal system 4 further includes a heating element 43 disposed inside the bus, the heating element 43 being used to heat the step area inside the bus. Specifically, it can be combined with... Figure 14 Understand the heating element 43 in this embodiment of the invention.

[0252] For buses, in snowy weather, frequent door opening and closing and passenger boarding and alighting often lead to ice and snow accumulation in the passenger compartment's steps. When ice and snow are present in the steps, it restricts passenger movement and reduces passenger comfort. Furthermore, excessive accumulation of ice and snow can cause blockages in drainage systems. Figure 14 As shown, by installing a heating element 43 for heating in the step area inside the vehicle, the ice and snow in the step area can be heated in time to melt, which can increase the passenger activity space, improve the passenger experience, avoid the problem of blockage and drainage, and also appropriately increase the temperature inside the vehicle during the heating process to resist the cold and improve the comfort inside the vehicle.

[0253] In some embodiments of the present invention, such as Figure 18The diagram shown is a block diagram of a bus snow removal and drainage system according to another embodiment of the present invention. The bus snow removal and drainage system 10 further includes a prompting device 6, which is used to prompt the status information of bus drainage and snow removal.

[0254] The bus's drainage and snow removal status information includes drainage function start information, drainage function end information, snow removal system start information, and snow removal function shutdown information. Snow removal system start information may include heating device start information and snow sweeping device start information, while snow removal function shutdown information may include heating device shutdown information and snow sweeping device shutdown information. The prompting device 6 can be the instrument panel in the bus 100. The controller 3 can send the bus's drainage and snow removal status information to the instrument panel, which will then display the status information, allowing the driver to better understand the vehicle's condition.

[0255] Based on the above, the bus snow removal and drainage system 10 of this embodiment provides two functions to the bus 100: drainage and snow removal. Furthermore, the prompting device 6 displays activation and deactivation information for each device and module, allowing the driver to better understand the vehicle's condition. Compared to existing technologies, the bus snow removal and drainage system 10 of this embodiment not only monitors snow and ice accumulation on the steps and roof, but also displays roof condition prompts on the dashboard, including the presence of snow and ice or heavy snowfall. This enhances the driver's awareness, enabling better response to situations and improving driving safety.

[0256] In some embodiments of the present invention, such as Figure 19 The diagram shown is a block diagram of a bus according to an embodiment of the present invention, wherein the bus 100 includes the bus snow removal and drainage system 10 of any of the above embodiments.

[0257] The bus 100 according to the embodiments of the present invention, by employing the bus snow removal and drainage system 10 of any of the above embodiments, can not only promptly drain the accumulated water in the passenger compartment, reducing the risk of corrosion of metal parts inside the vehicle and the possibility of passengers slipping, but also achieve guided drainage, making drainage more thorough, improving the drainage efficiency inside the vehicle, and enhancing passenger experience and comfort.

[0258] In some embodiments of the present invention, such as Figure 20 The diagram shown is a block diagram of a bus according to another embodiment of the present invention, wherein the bus 100 includes at least one processor 101 and a memory 102. The memory 102 is connected to at least one processor 101, and stores a computer program that, when executed by the processor 101, is used to implement the bus control method described above.

[0259] According to the bus 100 proposed in the embodiments of the present invention, when the computer program stored in the memory 102 is executed by at least one processor 101, it is used to implement any of the bus control methods described above. This not only promptly drains accumulated water from the passenger compartment, reducing the risk of corrosion of metal parts and the possibility of passengers slipping, but also enables guided drainage, making drainage more thorough, improving drainage efficiency within the vehicle, enhancing passenger experience and comfort, and ensuring driving safety.

[0260] In some embodiments of the present invention, a non-transitory computer-readable storage medium is also proposed, on which a computer program is stored, which, when executed, implements any of the above-mentioned bus control methods.

[0261] According to the embodiments of the present invention, a computer-readable storage medium is provided thereon, on which a computer program is stored. When the computer program is executed by a processor, the bus control method of the above embodiments can be implemented. By adopting this method, the drainage efficiency inside the vehicle can be improved, the drainage can be made more thorough, and the passenger experience and comfort can be enhanced.

[0262] Other configurations and operations of the bus 100 and snow removal and drainage system 10 according to embodiments of the present invention are known to those skilled in the art and will not be described in detail here.

[0263] In the description of this specification, references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0264] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A bus control method, characterized in that, The bus includes a suspension system and a drainage structure disposed on the bus floor, the drainage structure including drainage holes arranged laterally along the length of the bus on the bus floor, the method comprising: Acquire information about the vehicle's surrounding environment and the bus's road conditions. The information about the vehicle's surrounding environment includes the duration of rainfall, the amount of rainfall, and the number of passengers boarding the bus after it starts. The information about the bus's road conditions includes information about the bus entering and leaving the station. Determining that the environmental information surrounding the vehicle meets the drainage threshold conditions includes: determining the total rainfall after the vehicle starts based on the duration of rainfall after the vehicle starts and the amount of rainfall; determining that the number of people boarding the vehicle reaches the drainage number threshold based on the passenger flow; and determining that the total rainfall after the vehicle starts reaches the drainage rainfall threshold. Controlling the drainage structure and / or the suspension system based on the bus driving road condition information includes: determining that the bus has arrived at the station based on the bus entry and exit station information, then controlling the suspension system to cause the bus body to tilt to the side away from the boarding door, and controlling the drainage hole on the corresponding side to open.

2. The bus control method according to claim 1, characterized in that, The bus travel information also includes road slope information; Controlling the drainage structure and / or the suspension system based on the bus driving road condition information further includes: If the bus arrives at the station based on the bus entry and exit station information and the bus is on an uphill slope based on the road slope information, then the front suspension of the bus on the side away from the boarding door will be lowered.

3. The bus control method according to claim 2, characterized in that, Controlling the drainage structure and / or the suspension system based on the bus driving road condition information further includes: If the bus arrives at the station based on the bus entry / exit station information and the bus is on a downhill slope based on the road slope information, then the rear suspension on the side of the bus away from the boarding door will be lowered.

4. The bus control method according to claim 1, characterized in that, The method further includes: After determining that no one is boarding based on the passenger flow, the suspension system is controlled to straighten the bus body.

5. The bus control method according to claim 1, characterized in that, The bus driving road condition information also includes steering wheel angle information; Controlling the drainage structure and / or the suspension system based on the bus driving road condition information further includes: If the vehicle turns based on the steering wheel angle information, the drain hole on the outside of the vehicle will open to control the vehicle's steering.

6. The bus control method according to claim 1, characterized in that, The method further includes: If the total rainfall after the vehicle starts reaches the extreme weather rainfall threshold, the suspension system is controlled to raise the vehicle body to a preset height, wherein the extreme weather rainfall threshold is greater than the drainage rainfall threshold.

7. The bus control method according to any one of claims 1-6, characterized in that, The bus also includes a snow removal system, and the method further includes: Obtain information on the snow accumulation status on the vehicle roof; Once the snow accumulation on the vehicle roof is determined to meet the snow removal threshold, the snow removal system is activated.

8. The bus control method according to claim 7, characterized in that, The information regarding snow accumulation on the vehicle roof includes the ambient temperature and pressure on the roof. The snow removal system includes a heating device mounted on the roof of the vehicle; Determining that the snow accumulation on the vehicle roof meets the snow removal threshold condition and controlling the snow removal system to start includes: If the ambient temperature of the vehicle roof is determined to be lower than a temperature threshold and the pressure on the vehicle roof is greater than or equal to a first pressure threshold, then the heating device is activated.

9. The bus control method according to claim 8, characterized in that, Determining that the snow accumulation on the vehicle roof meets the snow removal threshold condition and controlling the snow removal system to start, further includes: Obtain the pressure change rate of the roof pressure; If the ambient temperature of the vehicle roof is determined to be lower than the temperature threshold and the pressure change rate is greater than or equal to the change rate threshold, then the heating device is activated.

10. The bus control method according to claim 8, characterized in that, The snow removal system also includes a snow sweeping device installed on the roof of the vehicle; Determining that the snow accumulation on the vehicle roof meets the snow removal threshold condition and controlling the snow removal system to start, further includes: If the pressure on the vehicle roof is determined to be greater than a second pressure threshold, the snow removal device is activated, wherein the second pressure threshold is greater than the first pressure threshold.

11. The bus control method according to claim 9, characterized in that, The method further includes: If the roof pressure is less than a first pressure threshold and the rate of change of pressure is less than the rate of change threshold, then the heating device is turned off.

12. The bus control method according to claim 7, characterized in that, The snow removal system includes a heating element for heating the foot area inside the vehicle; The method further includes: Once the snow accumulation on the vehicle roof is determined to meet the snow removal threshold, the heating element is controlled to start heating.

13. The bus control method according to claim 9, characterized in that, The information about the environment surrounding the vehicle includes the number of people getting on the vehicle and the thickness of snow on the road surface. Determining that the environmental information surrounding the vehicle meets the drainage threshold conditions includes: The number of people boarding a vehicle is determined to have reached the drainage threshold based on the passenger flow rate and the snow thickness on the road surface is determined to have reached the thickness threshold; or, the number of people boarding a vehicle is determined to have reached the drainage threshold based on the passenger flow rate and the pressure change rate of the vehicle roof pressure is greater than or equal to the change rate threshold.

14. The bus control method according to claim 7, characterized in that, The method further includes: acquiring the status information of the bus's drainage and snow removal, and displaying the status information.

15. A snow removal and drainage system for passenger vehicles, characterized in that, include: A drainage system, the drainage system including a suspension system and a drainage structure disposed on the floor of the bus; An environmental monitoring device is installed on the bus to detect information about the environment around the vehicle. A controller for controlling the drainage structure and / or the suspension system according to any one of claims 1-14.

16. The passenger vehicle snow removal and drainage system according to claim 15, characterized in that, The drainage structure includes: Multiple drainage channels are provided on the floor of the bus and arranged left and right along the length of the bus, the drainage channels extending along the length of the bus; Drainage holes are provided at both ends of each drainage channel; A control valve is provided for each drain hole to control the opening and closing of the drain hole.

17. The passenger vehicle snow removal and drainage system according to claim 15 or 16, characterized in that, The bus snow removal and drainage system also includes: A snow removal system, wherein the snow removal system is installed on the roof of the bus; A roof-mounted detection device is used to detect the snow accumulation status on the vehicle roof. The controller is also used to control the snow removal system according to any one of claims 1-14.

18. The passenger vehicle snow removal and drainage system according to claim 17, characterized in that, The snow removal system includes a heating device mounted on the roof of the vehicle.

19. The passenger vehicle snow removal and drainage system according to claim 18, characterized in that, The snow removal system also includes a snow sweeping device mounted on the roof of the vehicle.

20. The passenger vehicle snow removal and drainage system according to claim 19, characterized in that, The snow removal device includes: At least one snowplow, one end of which is fixed to the roof of the vehicle, and the other end of which is a free end; A drive unit, connected to the at least one snowplow, for driving the free end of the at least one snowplow to move laterally along the roof of the vehicle.

21. The passenger vehicle snow removal and drainage system according to claim 19, characterized in that, The snow removal system also includes a heating element installed inside the bus, which is used to heat the step area inside the bus.

22. The passenger vehicle snow removal and drainage system according to claim 15, characterized in that, The environmental monitoring device includes: Rain gauges are used to detect rainfall. Passenger flow sensor, used to detect the number of people boarding the vehicle; A road snow detection device is used to detect the snow accumulation on the road surface.

23. The passenger vehicle snow removal and drainage system according to claim 17, characterized in that, The roof detection device includes: Temperature sensor used to detect the ambient temperature on the roof; Pressure sensor used to detect pressure on the roof.

24. The passenger vehicle snow removal and drainage system according to claim 23, characterized in that, There are multiple pressure sensors, which are distributed around the four perimeter of the vehicle roof.

25. The passenger vehicle snow removal and drainage system according to claim 17, characterized in that, The bus snow removal and drainage system also includes a prompting device, which is used to indicate the status information of the bus's drainage and snow removal.

26. A passenger vehicle, characterized in that, Includes the bus snow removal and drainage system as described in any one of claims 15-25.

27. A passenger vehicle, characterized in that, include: At least one processor; A memory connected to at least one of the processors, the memory storing a computer program that, when executed by the processor, implements the bus control method according to any one of claims 1-14.

28. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed, it implements the bus control method according to any one of claims 1-14.

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