Snow removing method and snow removing device for air cleaner of vehicle

Abstract

The invention discloses a snow removing method and device for an air filter of a vehicle. The vehicle comprises a fuel cell. The snow removing method comprises the steps that the current vehicle speed of the vehicle is obtained; when the current vehicle speed is larger than zero, the current temperature of the place where the vehicle is located is obtained; when the current temperature of the location of the vehicle is smaller than a first temperature threshold value, the weather of the location of the vehicle is obtained; when the weather of the location of the vehicle is snowy weather, exhaust of the fuel cell is supplied to the air cleaner. By adopting the technical scheme, the process of providing the exhaust gas of the fuel cell to the air filter can be flexibly controlled according to actual conditions, and the influence on the use effect and the service life of the air filter due to the fact that the exhaust gas of the fuel cell is still provided to the air filter for a long time when the air filter has no accumulated snow is avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicles, and in particular to a snow removal method and a snow removal device for an air filter of a vehicle. Background Art

[0002] When the vehicle is driving on snowy days or snowy roads, snowflakes may be sucked into the air filter. Due to the low temperature and the obstruction of the filter element, snowflakes may gradually accumulate inside the air filter. In serious cases, the air filter and the filter element will be blocked, causing the engine or fuel cell to have poor air intake, power reduction, or even flameout, thus affecting the driving safety of the vehicle.

[0003] There are two main solutions in the prior art. The first is to add an additional snow removal structure at the air filter inlet to separate snow and air. This solution has the problem of incomplete separation and increased intake resistance, which reduces the power of the engine or fuel cell. The second is to add an electric heater or mechanical snow removal device at the bottom of the air filter. This solution has a complex structure and requires additional energy consumption, which also reduces the power of the engine or fuel cell. Summary of the invention

[0004] The present invention provides a snow removal method and a snow removal device for an air filter of a vehicle to solve the above technical problems.

[0005] According to one aspect of the present invention, a snow removal method for an air filter of a vehicle is provided, wherein the vehicle includes a fuel cell; the snow removal method includes:

[0006] Obtaining the current speed of the vehicle;

[0007] When the current vehicle speed is greater than zero, obtaining a current temperature of a location where the vehicle is located;

[0008] When the current temperature of the location of the vehicle is less than a first temperature threshold, obtaining the weather of the location of the vehicle;

[0009] When the weather at the location of the vehicle is snowy, the exhaust gas of the fuel cell is provided to the air filter.

[0010] Optionally, after obtaining the current speed of the vehicle, the method further includes:

[0011] When the current vehicle speed is zero, timing is performed, and after the timing time satisfies a first time threshold, the process returns to the step of obtaining the current vehicle speed.

[0012] Optionally, obtaining the weather at the location of the vehicle includes:

[0013] Get the current weather and / or the weather in the past N hours at the location of the vehicle.

[0014] Optionally, when the weather at the location of the vehicle is snowy, after the exhaust gas of the fuel cell is provided to the air filter, the method further comprises:

[0015] When the exhaust gas of the fuel cell is provided to the air filter, timing is performed, and after the timing time satisfies a second time threshold, the exhaust gas of the fuel cell is stopped from being provided to the air filter;

[0016] When supplying the exhaust gas of the fuel cell to the air filter is stopped, timing is performed, and after the timing time satisfies a third time threshold, the process returns to the step of supplying the exhaust gas of the fuel cell to the air filter.

[0017] Optionally, when the exhaust gas of the fuel cell is provided to the air filter, timing is performed, and after the timing time satisfies a second time threshold, the exhaust gas of the fuel cell is stopped from being provided to the air filter, comprising:

[0018] When the exhaust gas of the fuel cell is provided to the air filter, timing is performed, and the temperature inside the air filter is acquired after the timing time meets the second time threshold;

[0019] When the temperature inside the air filter is greater than or equal to a second temperature threshold, stopping supplying the exhaust gas of the fuel cell to the air filter;

[0020] When the temperature inside the air filter is lower than the second temperature threshold, timing is performed, and after the timing time satisfies a fourth time threshold, supplying the exhaust gas of the fuel cell to the air filter is stopped.

[0021] Optionally, when the exhaust gas of the fuel cell is stopped from being provided to the air filter, timing is performed, and after the timing time satisfies a third time threshold, the step of returning to providing the exhaust gas of the fuel cell to the air filter comprises:

[0022] When the exhaust gas of the fuel cell is stopped from being provided to the air filter, timing is performed, and a current speed of the vehicle is acquired after the timing time satisfies the third time threshold;

[0023] When the current vehicle speed is greater than zero, the method returns to the step of providing the exhaust gas of the fuel cell to the air filter.

[0024] According to another aspect of the present invention, a snow removal device for an air filter of a vehicle is provided, wherein the vehicle includes a fuel cell; the snow removal device includes:

[0025] A vehicle speed acquisition module, used to acquire the current speed of the vehicle;

[0026] A temperature acquisition module, used for acquiring the current temperature of the location of the vehicle when the current vehicle speed is greater than zero;

[0027] A weather acquisition module, configured to acquire the weather at the location of the vehicle when the current temperature at the location of the vehicle is less than a first temperature threshold;

[0028] The snow removal module is used to provide the exhaust gas of the fuel cell to the air filter when the weather at the location of the vehicle is snowing.

[0029] According to another aspect of the present invention, there is provided an electronic device, the electronic device comprising:

[0030] at least one processor; and a memory communicatively coupled to the at least one processor;

[0031] The memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can execute the snow removal method for the air filter of a vehicle described in any embodiment of the present invention.

[0032] According to another aspect of the present invention, a vehicle is provided, the vehicle comprising an air filter, a fuel cell, a first intake branch pipe, a second intake branch pipe, a fuel intake branch pipe; an exhaust manifold, a first exhaust branch pipe, a second exhaust branch pipe, a solenoid valve and a controller;

[0033] The first air inlet of the air filter is connected to the first air inlet branch pipe, and the air outlet of the air filter is connected to the second air inlet branch pipe; the first air inlet of the fuel cell is connected to the second air inlet branch pipe, the second air inlet of the fuel cell is connected to the fuel air inlet branch pipe, and the air outlet of the fuel cell is connected to the exhaust main pipe; one end of the first exhaust branch pipe is connected to the exhaust main pipe, and the other end is connected to the first end of the solenoid valve; one end of the second air inlet branch pipe is connected to the second end of the solenoid valve, and the other end is connected to the second air inlet of the air filter; the controller is in communication connection with the control end of the solenoid valve;

[0034] The controller is used to execute the snow removal method for the air filter of a vehicle described in any embodiment of the present invention.

[0035] Optionally, the vehicle further comprises a drain pipe and an air-water separator; the first exhaust branch pipe comprises a first sub-branch pipe and a second sub-branch pipe;

[0036] One end of the first sub-branch pipe is connected to the exhaust main pipe, and the other end is connected to the input end of the gas-water separator; one end of the second sub-branch pipe is connected to the exhaust end of the gas-water separator, and the other end is connected to the first end of the solenoid valve;

[0037] One end of the drain pipe is connected to the drain end of the gas-water separator, and the other end is connected to the exhaust main pipe.

[0038] Optionally, a temperature sensor is disposed inside the air filter; the temperature sensor is communicatively connected to the controller.

[0039] According to another aspect of the present invention, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a processor to implement the snow removal method for the vehicle air filter described in any embodiment of the present invention when executed.

[0040] The technical solution of the present invention can determine whether the vehicle's air filter is at risk of snow accumulation by obtaining the temperature of the vehicle's location and the weather of the vehicle's location before providing the exhaust gas of the fuel cell to the air filter. When there is no risk of snow accumulation on the vehicle's air filter, the supply of the fuel cell's exhaust gas to the air filter can be stopped. When there is a risk of snow accumulation on the vehicle's air filter, the exhaust gas of the fuel cell can be provided to the air filter. In this way, the process of providing the exhaust gas of the fuel cell to the air filter can be flexibly controlled according to actual conditions, thereby avoiding the situation where the exhaust gas of the fuel cell is still provided to the air filter for a long time when there is no snow accumulation on the air filter, which affects the use effect and service life of the air filter.

[0041] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0043] Figure 1 is a structural schematic diagram of a vehicle provided by Embodiment 1 of the present invention;

[0044] Figure 2 is a flow chart of a snow removal method for an air filter of a vehicle provided in Embodiment 2 of the present invention;

[0045] Figure 3 is a flow chart of a snow removal method for an air filter of a vehicle provided in Embodiment 3 of the present invention;

[0046] Figure 4 It is a structural schematic diagram of a snow removal device of an air filter provided in a fourth embodiment of the present invention;

[0047] Figure 5 A schematic diagram of the structure of an electronic device that can be used to implement an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0048] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0049] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0050] Embodiment 1

[0051] Figure 1 is a schematic diagram of the structure of a vehicle provided by the first embodiment of the present invention, such as Figure 1 As shown, the vehicle includes: an air filter 20, a fuel cell 30, a first intake branch pipe 41, a second intake branch pipe 42, and a fuel intake branch pipe 43; an exhaust manifold 40, a first exhaust branch pipe 51, a second exhaust branch pipe 52, a solenoid valve 60 and a controller 70.

[0052] The first air inlet of the air filter 20 is connected to the first air inlet branch 41, and the air outlet of the air filter 20 is connected to the second air inlet branch 42; the first air inlet of the fuel cell 30 is connected to the second air inlet branch 42, the second air inlet of the fuel cell 30 is connected to the fuel air inlet branch 43, and the air outlet of the fuel cell 30 is connected to the exhaust main pipe 50; one end of the first exhaust branch 51 is connected to the exhaust main pipe 50, and the other end is connected to the first end of the solenoid valve 60; one end of the second air inlet branch 52 is connected to the second end of the solenoid valve 60, and the other end is connected to the second air inlet of the air filter 20; the controller 70 is communicatively connected to the control end of the solenoid valve 60.

[0053] Exemplarily, the first air intake branch pipe 41 can be used to transmit air from the external environment. After the air from the external environment reaches the air filter 20 through the first air intake branch pipe 41, dust, gravel and other impurities are filtered out by the air filter 20 to form filtered air. The filtered air can reach the fuel cell 30 through the second air intake branch pipe 42; the fuel air intake branch pipe 43 can be used to transmit fuels such as hydrogen and methane, and the fuel reaches the fuel cell 30 through the fuel air intake branch pipe 43; an electrochemical reaction can occur in the fuel cell 30 to convert chemical energy into electrical energy. In this process, a certain amount of heat can be generated to form a certain amount of high-temperature exhaust (generally at 70 to 95°C), and the high-temperature exhaust can be discharged from the fuel cell 30 through the exhaust main pipe 50. Part of the high-temperature exhaust can also reach the air filter 20 through the first exhaust branch pipe 51 and the second exhaust branch pipe 52 to melt the snow in the air filter 20. The melted liquid water can be discharged through a drain valve (not shown in the figure) arranged at the bottom of the air filter 20.

[0054] The controller 70 can control the high-temperature exhaust gas generated by the electrochemical reaction of the fuel cell 30 to be provided to the air filter 20 or stop providing the high-temperature exhaust gas generated by the electrochemical reaction of the fuel cell 30 to the air filter 20 by controlling the electronic valve 60 .

[0055] In the first embodiment of the present invention, by connecting the first exhaust branch pipe and the second exhaust branch pipe in the exhaust main pipe, the high-temperature exhaust gas generated by the fuel cell can be transported to the air filter to melt the snow in the air filter. The structure is simple and the cost is low. It will not cause an increase in intake resistance and will not consume the power of the fuel cell. In addition, by arranging a solenoid valve between the first exhaust branch pipe and the second exhaust branch pipe, and communicating with the control end of the solenoid valve with the controller, the process of transporting the high-temperature exhaust gas generated by the fuel cell to the air filter can be controlled by the controller, and the process of transporting the high-temperature exhaust gas generated by the fuel cell to the air filter can be flexibly controlled according to actual conditions.

[0056] In an optional embodiment, the vehicle also includes a drain pipe 81 and an air-water separator 08; the first exhaust branch pipe 51 includes a first sub-branch pipe 501 and a second sub-branch pipe 502; one end of the first sub-branch pipe 501 is connected to the exhaust main pipe 50, and the other end is connected to the input end of the air-water separator 08; one end of the second sub-branch pipe 502 is connected to the exhaust end of the air-water separator 08, and the other end is connected to the first end of the solenoid valve 60; one end of the drain pipe 81 is connected to the drain end of the air-water separator 08, and the other end is connected to the exhaust main pipe 50.

[0057] For example, the fuel cell 30 can generate electric energy and exhaust gas of a high-temperature gas-water mixture through an electrochemical reaction. The exhaust gas of the high-temperature gas-water mixture can reach the gas-water separator 08 through the first sub-branch 501. The gas-water separator 08 can separate the gas and liquid in the gas-water mixture. The gas can reach the air filter 20 through the second sub-branch 502 and the second exhaust branch 52, and the liquid can be sent back to the exhaust manifold 50 through the drain pipe 81. In this way, it is possible to avoid the liquid generated by the fuel cell 30 from being transported to the air filter 20, wetting the filter element of the air filter 20, and affecting the filtering effect of the air filter 20 on the air in the external environment.

[0058] In another optional embodiment, a temperature sensor 21 is disposed inside the air filter 20 ; the temperature sensor 21 is communicatively connected to the controller 70 .

[0059] For example, the controller 70 can obtain the internal temperature of the air filter 20 through the temperature sensor 21, and flexibly control the process of delivering the high-temperature exhaust gas generated by the fuel cell 30 to the air filter 20 according to the internal temperature of the air filter 20. In this way, it is possible to avoid the internal temperature of the air filter 20 being too high and damaging the air filter 20.

[0060] In yet another optional embodiment, the vehicle further includes a remote communication box 61 ; the remote communication box 61 is communicatively connected with the controller 70 .

[0061] Exemplarily, the remote communication box 61 can obtain the current temperature and current weather at the location of the vehicle, and then send this information to the controller 70. The controller can flexibly control the process of transporting the high-temperature exhaust gas generated by the fuel cell 30 to the air filter 20 according to the current temperature and current weather at the location of the vehicle, thereby avoiding the high-temperature exhaust gas generated by the fuel cell 30 being transported to the air filter 20 for a long time when there is no snow accumulated in the air filter 20, which affects the use effect and service life of the air filter 20.

[0062] Embodiment 2

[0063] Figure 2This is a flow chart of a snow removal method for a vehicle air filter provided by the second embodiment of the present invention. This embodiment is applicable to the case where snow easily accumulates on the vehicle air filter. The method can be performed by a snow removal device for the vehicle air filter. The snow removal device can be implemented in the form of hardware and / or software. The snow removal device can be configured in the fuel cell control unit of the vehicle. Figure 2 As shown, the method includes:

[0064] S1001. Obtain the current speed of the vehicle.

[0065] Exemplarily, after the vehicle is ignited and powered on, the current speed of the vehicle is obtained.

[0066] S1002: Determine whether the current speed of the vehicle is greater than zero. If yes, execute S1003.

[0067] In an optional implementation, when the current speed of the vehicle is zero, the next step may not be performed, and the process returns to execute S1001 until the current speed of the vehicle is greater than zero, or the vehicle is powered off.

[0068] S1003. Obtain the current temperature of the location of the vehicle.

[0069] For example, the snow removal device may obtain the current temperature of the location of the vehicle through the remote communication box.

[0070] S1004: Determine whether the current temperature of the location of the vehicle is less than a first temperature threshold. If yes, execute S1005.

[0071] In an optional implementation, the first temperature threshold may be 4° C., but is not limited thereto.

[0072] In an optional embodiment, when the current temperature of the location of the vehicle is greater than or equal to the first temperature threshold, the snow removal device may not output a signal, maintain a state of stopping the exhaust gas of the fuel cell from being provided to the air filter, and then return to execute S1001.

[0073] S1005. Obtain the weather at the location of the vehicle.

[0074] In an optional implementation, obtaining the weather at the location of the vehicle includes: obtaining the current weather at the location of the vehicle and / or the weather over the past N hours.

[0075] For example, if the current weather and / or the weather in the past N hours at the location of the vehicle has snowy weather, it means that there is a risk of snow accumulation in the air filter, and the weather at the location of the vehicle can be considered as snowy weather, and then the next step of the snow removal method can be performed. Wherein, N can be 12, 24, 30, 48, 60, 72, etc.

[0076] S1006: Determine whether the weather at the location of the vehicle is snowing. If yes, execute S1007.

[0077] In an optional embodiment, when the weather at the location of the vehicle is not snowing, that is, when there is no snowing at present and N hours ago, the snow removal device may not output a signal, maintain the state of stopping the exhaust gas of the fuel cell from being provided to the air filter, and then return to execute S1001.

[0078] S1007 , providing the exhaust gas of the fuel cell to the air filter.

[0079] Exemplarily, when the vehicle is powered on, the current speed of the vehicle is greater than zero, and the temperature at the location of the vehicle is less than a first temperature threshold, and it has snowed currently and / or N hours ago, it can be determined that there is a risk of snow accumulation in the vehicle's air filter, and the snow removal device can output a control signal to provide exhaust gas from the fuel cell to the air filter to melt the snow accumulated in the air filter until the current speed of the vehicle is zero, or the vehicle is powered off.

[0080] In the second embodiment of the present invention, by obtaining the temperature of the vehicle's location and the weather of the vehicle's location before providing the exhaust gas of the fuel cell to the air filter, it is possible to determine whether the vehicle's air filter is at risk of snow accumulation. When there is no risk of snow accumulation on the vehicle's air filter, the supply of the fuel cell's exhaust gas to the air filter can be stopped. When there is a risk of snow accumulation on the vehicle's air filter, the exhaust gas of the fuel cell can be provided to the air filter. In this way, the process of providing the exhaust gas of the fuel cell to the air filter can be flexibly controlled according to actual conditions, to avoid providing the exhaust gas of the fuel cell to the air filter for a long time when there is no snow accumulation on the air filter, which affects the use effect and service life of the air filter.

[0081] In another optional embodiment, after obtaining the current speed of the vehicle, the method further includes: when the current speed is zero, timing is performed, and after the timing time meets a first time threshold, the method returns to the step of obtaining the current speed of the vehicle.

[0082] Exemplarily, the first time threshold may be 10 minutes, but is not limited thereto. After the vehicle is powered on, the vehicle may still be in an activated state, and it is not easy to start the vehicle at this time. Moreover, when the vehicle is just started, the exhaust temperature of the fuel cell may not be high, and it is not suitable to provide the exhaust of the fuel cell to the air filter. After the vehicle is powered on and the current vehicle speed is detected to be zero, the current vehicle speed can be obtained again after waiting for 10 minutes. If the current vehicle speed is greater than zero, it can be determined whether the vehicle's air filter is at risk of snow accumulation based on the current temperature and weather of the vehicle's location. In this way, it can be beneficial to increase the exhaust temperature of the fuel cell when the exhaust of the fuel cell is provided to the air filter, improve the snow removal effect, avoid providing low-temperature exhaust to the air filter, and increase the snow accumulation in the air filter.

[0083] Embodiment 3

[0084] Figure 3 1 is a flow chart of a snow removal method for a vehicle air filter provided by the third embodiment of the present invention. Compared with the above embodiments, this embodiment refines the control method of providing the exhaust gas of the fuel cell to the air filter. Figure 3 As shown, the method includes:

[0085] S2001. Obtain the current speed of the vehicle.

[0086] S2002: Determine whether the current speed of the vehicle is greater than zero. If so, execute S2003.

[0087] S2003. Obtain the current temperature of the location of the vehicle.

[0088] S2004: Determine whether the current temperature of the location of the vehicle is less than a first temperature threshold. If yes, execute S2005.

[0089] S2005. Obtain the weather at the location of the vehicle.

[0090] S2006: Determine whether the weather at the location of the vehicle is snowing. If yes, execute S2007.

[0091] S2007. Provide the exhaust gas of the fuel cell to the air filter.

[0092] S2008: Determine whether the time for providing the exhaust gas of the fuel cell to the air filter meets a second time threshold. If yes, execute S200.

[0093] S2009: Stop supplying the exhaust gas of the fuel cell to the air filter.

[0094] In an optional implementation, the second time threshold is 30 minutes, but is not limited thereto.

[0095] S2010: Determine whether the time for stopping supplying the exhaust gas of the fuel cell to the air filter meets a third time threshold. If yes, return to S2007.

[0096] In an optional implementation, the third time threshold is 30 minutes, but is not limited thereto.

[0097] Illustratively, after determining that the vehicle's air filter is at risk of snow accumulation, the exhaust gas from the fuel cell may be provided to the air filter for 30 minutes (second time threshold) to melt the snow for 30 minutes; then, the supply of the exhaust gas from the fuel cell to the air filter is stopped for 30 minutes (third time threshold), and the supply of exhaust gas is stopped for 30 minutes; the exhaust gas from the fuel cell is again provided to the air filter for 30 minutes (second time threshold) to melt the snow for 30 minutes, until the vehicle is powered off.

[0098] In the third embodiment of the present invention, the exhaust gas of the fuel cell can be intermittently supplied to the air filter by timing after the exhaust gas of the fuel cell is provided to the air filter, and stopping the supply of the exhaust gas of the fuel cell to the air filter after the timing ends, and timing after stopping the supply of the exhaust gas of the fuel cell to the air filter, and continuing to supply the exhaust gas of the fuel cell to the air filter after the timing ends, and continuing the timing. In this way, on the one hand, it can be avoided that the exhaust gas of the fuel cell is provided to the air filter for a long time, resulting in the water vapor in the exhaust gas being transported to the air filter for a long time, resulting in the filter element of the air filter being wetted, which is not conducive to the air filter filtering the air; on the other hand, it can be avoided that the high-temperature gas is transported to the air filter for a long time, resulting in the temperature of the air filter being too high, thereby shortening the service life of the air filter.

[0099] In another optional embodiment, when the exhaust gas of the fuel cell is provided to the air filter, timing is performed, and supplying the exhaust gas of the fuel cell to the air filter is stopped after the timing time meets a second time threshold, including: when the exhaust gas of the fuel cell is provided to the air filter, timing is performed, and the temperature inside the air filter is obtained after the timing time meets the second time threshold; when the temperature inside the air filter is greater than or equal to the second temperature threshold, supplying the exhaust gas of the fuel cell to the air filter is stopped; when the temperature inside the air filter is less than the second temperature threshold, timing is performed, and supplying the exhaust gas of the fuel cell to the air filter is stopped after the timing time meets a fourth time threshold.

[0100] Exemplarily, the second temperature threshold may be 20°C, but is not limited thereto. After determining that the vehicle's air filter is at risk of snow accumulation, the exhaust gas of the fuel cell may be provided to the air filter for 30 minutes (second time threshold), and then the temperature in the air filter is detected. If the temperature in the air filter is lower than 20°C, it may be considered that providing the exhaust gas of the fuel cell to the air filter for 30 minutes (second time threshold) cannot effectively melt the snow in the air filter, and the exhaust gas of the fuel cell may continue to be provided to the air filter for 30 minutes (fourth time threshold), extending the time for providing the exhaust gas of the fuel cell to the air filter, which is conducive to melting the snow; then stop providing the exhaust gas of the fuel cell to the air filter for 30 minutes (third time threshold), and stop providing the exhaust gas for 30 minutes. After providing the exhaust gas of the fuel cell to the air filter for 30 minutes (the second time threshold), the temperature inside the air filter is detected. If the temperature inside the air filter is greater than or equal to 20°C, it can be considered that providing the exhaust gas of the fuel cell to the air filter for 30 minutes (the second time threshold) can effectively melt the accumulated snow in the air filter, and supplying the exhaust gas of the fuel cell to the air filter for 30 minutes (the third time threshold) can be directly stopped, and the supply of exhaust gas can be stopped for 30 minutes.

[0101] In this way, it can be ensured that when the exhaust gas from the fuel cell is stopped from being supplied to the air filter, the temperature inside the air filter can be kept within a relatively high range. Even if the exhaust gas supply is stopped, the snow accumulated in the air filter can continue to melt. It is just that the exhaust gas supply from the fuel cell is temporarily stopped at this stage to avoid the continuous increase of the temperature in the air filter, which affects the life of the air filter.

[0102] In another optional embodiment, when supplying the exhaust gas of the fuel cell to the air filter is stopped, timing is performed, and after the timing time meets a third time threshold, the step of returning to the step of supplying the exhaust gas of the fuel cell to the air filter comprises: when supplying the exhaust gas of the fuel cell to the air filter is stopped, timing is performed, and after the timing time meets a third time threshold, the current speed of the vehicle is obtained; when the current speed is greater than zero, returning to the step of supplying the exhaust gas of the fuel cell to the air filter.

[0103] Exemplarily, after determining that the vehicle's air filter is at risk of snow accumulation, the exhaust gas of the fuel cell may be provided to the air filter for 30 minutes (second time threshold) and the snow may be melted for 30 minutes; and the exhaust gas from the fuel cell may be stopped from being provided to the air filter for 30 minutes (third time threshold). After stopping the exhaust gas supply for 30 minutes, the exhaust gas from the fuel cell may be again provided to the air filter for 30 minutes (second time threshold). Before melting the snow for 30 minutes, the current speed of the vehicle is obtained and a determination is made as to whether the current speed of the vehicle is zero (if necessary, this does not return to execute S1001 and S1002). When the current speed is greater than zero, the step of returning to the step of providing the exhaust gas from the fuel cell to the air filter may be continued, and the exhaust gas from the fuel cell may be again provided to the air filter for 30 minutes (second time threshold) and the snow may be melted for 30 minutes; when the current speed is zero, the step of returning to the step of providing the exhaust gas from the fuel cell to the air filter may be stopped, and the state of stopping the exhaust gas supply may be maintained.

[0104] In this way, it can be avoided that when the vehicle stops temporarily during driving, the fuel cell no longer performs electrochemical reaction, but continues to provide exhaust gas from the fuel cell to the air filter, resulting in a lower exhaust temperature of the fuel cell provided to the air filter, which is not conducive to snow melting and may even aggravate snow accumulation.

[0105] Embodiment 4

[0106] Figure 4 Schematic diagram of the structure of a snow removal device for an air filter provided by the fourth embodiment of the present invention. Figure 4 As shown, the device comprises:

[0107] The vehicle speed acquisition module 410 is used to acquire the current vehicle speed;

[0108] The temperature acquisition module 420 is used to acquire the current temperature of the location of the vehicle when the current vehicle speed is greater than zero;

[0109] The weather acquisition module 430 is used to acquire the weather at the location of the vehicle when the current temperature at the location of the vehicle is less than the first temperature threshold;

[0110] The snow removal module 440 is used to provide the exhaust gas of the fuel cell to the air filter when the weather at the location of the vehicle is snowing.

[0111] Optionally, the device further comprises:

[0112] The first timing module is used to perform timing when the current vehicle speed is zero, and return to the vehicle speed acquisition module 410 after the timing time meets the first time threshold.

[0113] Optionally, obtain the weather information for the vehicle's location, including:

[0114] The weather acquisition module 430 is further used to acquire the current weather and / or the weather in the past N hours at the location of the vehicle.

[0115] Optionally, the device further comprises:

[0116] A second timing module is used to time when the exhaust gas of the fuel cell is provided to the air filter, and stop providing the exhaust gas of the fuel cell to the air filter after the timed time meets a second time threshold;

[0117] The third timing module is used to time when the exhaust gas of the fuel cell is stopped from being provided to the air filter, and return to the snow removal module 440 after the timed time meets the third time threshold.

[0118] Optionally, the second timing module includes:

[0119] an internal temperature monitoring unit, for timing when the exhaust gas of the fuel cell is provided to the air filter, obtaining the temperature inside the air filter after the timing time meets a second time threshold, and stopping providing the exhaust gas of the fuel cell to the air filter when the temperature inside the air filter is greater than or equal to the second temperature threshold;

[0120] The delay timing unit is used to start timing when the temperature inside the air filter is lower than the second temperature threshold, and to stop supplying the exhaust gas of the fuel cell to the air filter after the timing time meets the fourth time threshold.

[0121] Optionally, the third timing module includes:

[0122] The vehicle speed monitoring unit starts timing when the exhaust gas of the fuel cell stops being provided to the air filter, obtains the current vehicle speed after the timing time meets the third time threshold, and returns to the snow removal module 440 when the current vehicle speed is greater than zero.

[0123] The snow removal device for the air filter provided in the embodiment of the present invention can execute the snow removal method for the air filter provided in any embodiment of the present invention, and has the functional modules and beneficial effects corresponding to the execution method.

[0124] Embodiment 5

[0125] Figure 5A schematic diagram of an electronic device that can be used to implement an embodiment of the present invention is shown. The electronic device is intended to represent various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers. The electronic device may also represent various forms of mobile devices, such as personal digital processing, cellular phones, smart phones, wearable devices (such as helmets, glasses, watches, etc.) and other similar computing devices. The components shown herein, their connections and relationships, and their functions are merely examples and are not intended to limit the implementation of the present invention described and / or required herein.

[0126] like Figure 5 As shown, the electronic device 10 includes at least one processor 11, and a memory connected to the at least one processor 11, such as a read-only memory (ROM) 12, a random access memory (RAM) 13, etc., wherein the memory stores a computer program that can be executed by at least one processor, and the processor 11 can perform various appropriate actions and processes according to the computer program stored in the read-only memory (ROM) 12 or the computer program loaded from the storage unit 18 to the random access memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 can also be stored. The processor 11, the ROM 12, and the RAM 13 are connected to each other through a bus 14. An input / output (I / O) interface 15 is also connected to the bus 14.

[0127] A number of components in the electronic device 10 are connected to the I / O interface 15, including: an input unit 16, such as a keyboard, a mouse, etc.; an output unit 17, such as various types of displays, speakers, etc.; a storage unit 18, such as a disk, an optical disk, etc.; and a communication unit 19, such as a network card, a modem, a wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information / data with other devices through a computer network such as the Internet and / or various telecommunication networks.

[0128] The processor 11 may be a variety of general and / or dedicated processing components with processing and computing capabilities. Some examples of the processor 11 include, but are not limited to, a central processing unit (CPU), a graphics processing unit (GPU), various dedicated artificial intelligence (AI) computing chips, various processors running machine learning model algorithms, a digital signal processor (DSP), and any appropriate processor, controller, microcontroller, etc. The processor 11 executes the various methods and processes described above, such as a snow removal method for an air filter of a vehicle.

[0129] In some embodiments, the snow removal method for the air filter of the vehicle can be implemented as a computer program, which is tangibly contained in a computer-readable storage medium, such as a storage unit 18. In some embodiments, part or all of the computer program can be loaded and / or installed on the electronic device 10 via the ROM 12 and / or the communication unit 19. When the computer program is loaded into the RAM 13 and executed by the processor 11, one or more steps of the snow removal method for the air filter of the vehicle described above can be performed. Alternatively, in other embodiments, the processor 11 can be configured to execute the snow removal method for the air filter of the vehicle by any other appropriate means (e.g., by means of firmware).

[0130] Various implementations of the systems and techniques described above herein can be implemented in digital electronic circuit systems, integrated circuit systems, field programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), application specific standard products (ASSPs), systems on chips (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and / or combinations thereof. These various implementations can include: being implemented in one or more computer programs that can be executed and / or interpreted on a programmable system including at least one programmable processor, which can be a special purpose or general purpose programmable processor that can receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.

[0131] Computer programs for implementing the methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, so that when the computer program is executed by the processor, the functions / operations specified in the flow chart and / or block diagram are implemented. The computer program may be executed entirely on the machine, partially on the machine, partially on the machine and partially on a remote machine as a stand-alone software package, or entirely on a remote machine or server.

[0132] In the context of the present invention, a computer-readable storage medium may be a tangible medium that may contain or store a computer program for use by or in combination with an instruction execution system, device or equipment. A computer-readable storage medium may include, but is not limited to, electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or equipment, or any suitable combination of the foregoing. Alternatively, a computer-readable storage medium may be a machine-readable signal medium. A more specific example of a machine-readable storage medium may include an electrical connection based on one or more lines, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

[0133] To provide interaction with a user, the systems and techniques described herein may be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user; and a keyboard and a pointing device (e.g., a mouse or trackball) through which the user can provide input to the electronic device. Other types of devices may also be used to provide interaction with the user; for example, the feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form (including acoustic input, voice input, or tactile input).

[0134] The systems and techniques described herein may be implemented in a computing system that includes backend components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes frontend components (e.g., a user computer with a graphical user interface or a web browser through which a user can interact with implementations of the systems and techniques described herein), or a computing system that includes any combination of such backend components, middleware components, or frontend components. The components of the system may be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: a local area network (LAN), a wide area network (WAN), a blockchain network, and the Internet.

[0135] A computing system may include a client and a server. The client and the server are generally remote from each other and usually interact through a communication network. The client and server relationship is generated by computer programs running on the corresponding computers and having a client-server relationship with each other. The server may be a cloud server, also known as a cloud computing server or cloud host, which is a host product in the cloud computing service system to solve the defects of difficult management and weak business scalability in traditional physical hosts and VPS services.

[0136] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this document does not limit this.

[0137] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A method for removing snow from an air filter of a vehicle, characterized in that: The vehicle includes a fuel cell; the snow removal method includes: Obtaining the current speed of the vehicle; When the current vehicle speed is greater than zero, obtaining a current temperature of a location where the vehicle is located; When the current temperature of the location of the vehicle is less than a first temperature threshold, obtaining the weather of the location of the vehicle; When the weather at the location of the vehicle is snowy, the exhaust gas of the fuel cell is provided to the air filter.

2. The snow removal method for the vehicle air filter according to claim 1, characterized in that: After obtaining the current speed of the vehicle, the method further includes: When the current vehicle speed is zero, timing is performed, and after the timing time satisfies a first time threshold, the process returns to the step of obtaining the current vehicle speed.

3. The snow removal method for a vehicle air filter according to claim 1, characterized in that: Get the weather at the location of the vehicle, including: Get the current weather and / or the weather in the past N hours at the location of the vehicle.

4. The snow removal method for an air filter of a vehicle according to any one of claims 1 to 3, characterized in that: When the weather at the location of the vehicle is snowy, after the exhaust gas of the fuel cell is provided to the air filter, the method comprises: When the exhaust gas of the fuel cell is provided to the air filter, timing is performed, and after the timing time satisfies a second time threshold, the exhaust gas of the fuel cell is stopped from being provided to the air filter; When supplying the exhaust gas of the fuel cell to the air filter is stopped, timing is performed, and after the timing time satisfies a third time threshold, the process returns to the step of supplying the exhaust gas of the fuel cell to the air filter.

5. The snow removal method for the vehicle air filter according to claim 4, characterized in that: When the exhaust gas of the fuel cell is provided to the air filter, timing is performed, and after the timing time meets a second time threshold, the exhaust gas of the fuel cell is stopped from being provided to the air filter, comprising: When the exhaust gas of the fuel cell is provided to the air filter, timing is performed, and the temperature inside the air filter is acquired after the timing time meets the second time threshold; When the temperature inside the air filter is greater than or equal to a second temperature threshold, stopping supplying the exhaust gas of the fuel cell to the air filter; When the temperature inside the air filter is lower than the second temperature threshold, timing is performed, and after the timing time satisfies a fourth time threshold, supplying the exhaust gas of the fuel cell to the air filter is stopped.

6. The snow removal method for a vehicle air filter according to claim 4, characterized in that: When the exhaust gas of the fuel cell is stopped from being provided to the air filter, timing is performed, and after the timing time satisfies a third time threshold, the step of returning to providing the exhaust gas of the fuel cell to the air filter comprises: When the exhaust gas of the fuel cell is stopped from being provided to the air filter, timing is performed, and a current speed of the vehicle is acquired after the timing time satisfies the third time threshold; When the current vehicle speed is greater than zero, the method returns to the step of providing the exhaust gas of the fuel cell to the air filter.

7. A snow removal device for an air filter of a vehicle, characterized in that: The vehicle includes a fuel cell; the snow removal device includes: A vehicle speed acquisition module, used to acquire the current speed of the vehicle; A temperature acquisition module, used for acquiring the current temperature of the location of the vehicle when the current vehicle speed is greater than zero; A weather acquisition module, configured to acquire the weather at the location of the vehicle when the current temperature at the location of the vehicle is less than a first temperature threshold; The snow removal module is used to provide the exhaust gas of the fuel cell to the air filter when the weather at the location of the vehicle is snowing.

8. An electronic device, characterized in that: The electronic device comprises: at least one processor; and a memory communicatively coupled to the at least one processor; The memory stores a computer program executable by the at least one processor, and the computer program is executed by the at least one processor so that the at least one processor can execute the snow removal method for the air filter of a vehicle according to any one of claims 1-6.

9. A vehicle, characterized in that: The vehicle comprises an air filter, a fuel cell, a first intake branch pipe, a second intake branch pipe, a fuel intake branch pipe; an exhaust manifold, a first exhaust branch pipe, a second exhaust branch pipe, a solenoid valve and a controller; The first air inlet of the air filter is connected to the first air inlet branch pipe, and the air outlet of the air filter is connected to the second air inlet branch pipe; the first air inlet of the fuel cell is connected to the second air inlet branch pipe, the second air inlet of the fuel cell is connected to the fuel air inlet branch pipe, and the air outlet of the fuel cell is connected to the exhaust main pipe; one end of the first exhaust branch pipe is connected to the exhaust main pipe, and the other end is connected to the first end of the solenoid valve; one end of the second air inlet branch pipe is connected to the second end of the solenoid valve, and the other end is connected to the second air inlet of the air filter; the controller is in communication connection with the control end of the solenoid valve; The controller is used to execute the snow removal method for the air filter of a vehicle according to any one of claims 1 to 6.

10. The vehicle according to claim 9, characterized in that The vehicle further comprises a drain pipe and an air-water separator; the first exhaust branch pipe comprises a first sub-branch pipe and a second sub-branch pipe; One end of the first sub-branch pipe is connected to the exhaust main pipe, and the other end is connected to the input end of the gas-water separator; one end of the second sub-branch pipe is connected to the exhaust end of the gas-water separator, and the other end is connected to the first end of the solenoid valve; One end of the drain pipe is connected to the drain end of the gas-water separator, and the other end is connected to the exhaust main pipe.

11. The vehicle according to claim 9, characterized in that A temperature sensor is arranged inside the air filter; the temperature sensor is in communication connection with the controller.

12. A computer-readable storage medium, characterized in that: The computer-readable storage medium stores computer instructions, and the computer instructions are used to enable a processor to implement the snow removal method for an air filter of a vehicle according to any one of claims 1 to 6 when the instructions are executed.

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