Automobile windshield defogging method, system, computer and readable storage medium

Abstract

The present invention provides a method, system, computer, and readable storage medium for defogging an automobile windshield. The method comprises: upon receiving a defog request instruction, generating a corresponding control instruction based on the defog request instruction, and inputting the control instruction into a servo motor of an HVAC assembly, so as to adjust the damper in the HVAC assembly to a window-blowing mode via the servo motor; obtaining a water temperature value in a water tank collected by a temperature sensor, and determining whether the water temperature value is greater than a preset water temperature threshold; if the water temperature value is determined to be less than the preset water temperature threshold, activating a cooling defog mode; and if the water temperature value is determined to be greater than the preset water temperature threshold, activating a heating defog mode. The above-described method enables different defog mechanisms to be adopted according to conditions and stages based on the principle of optimal fuel consumption for the entire vehicle, and can also determine the appropriate air volume level for the blower based on the actual number of occupants in the vehicle, thereby effectively reducing the fuel consumption of the entire vehicle and optimizing the NVH noise inside the vehicle.

Description

Technical Field

[0001] The present invention relates to the field of automobile technology, and in particular to a method and system for defogging an automobile windshield, a computer, and a readable storage medium. Background Art

[0002] With the advancement of science and technology and the rapid development of productivity, cars have become popular in people's daily lives and have become one of the indispensable means of transportation for people to travel, greatly improving people's travel efficiency and facilitating people's lives.

[0003] During driving, the temperature difference between the inside and outside of the car and the humidity can cause fogging on the car's windshield, thereby affecting the driver's field of vision and posing a safety hazard. To address this, most existing technologies use hot air defogging or cold air defogging to remove fog from the windshield.

[0004] However, since the power and energy sources of existing fuel vehicles all come from the engine, when using cold air defogger, the compressor inside the vehicle needs to be started, which increases the power consumption of the engine and thus increases the fuel consumption of the engine. Similarly, if hot air defogger is used, if the water temperature in the water tank inside the vehicle is insufficient, the water temperature in the water tank needs to be further increased, which will also increase the power consumption of the engine and thus increase the fuel consumption of the engine. Summary of the Invention

[0005] Based on this, the purpose of the present invention is to provide a method, system, computer and readable storage medium for demisting automobile windshields to solve the problem that the existing technology has high power consumption for demisting automobile windshields, resulting in increased engine fuel consumption.

[0006] A first aspect of an embodiment of the present invention provides a method for defogging a car windshield, the method comprising:

[0007] When a defogger request is received, a corresponding control instruction is generated according to the defogger request, and the control instruction is input into a servo motor of an HVAC assembly so as to adjust a damper in the HVAC assembly to a window blowing mode via the servo motor;

[0008] Obtaining the water temperature value in the water tank collected by the temperature sensor, and determining whether the water temperature value is greater than a preset water temperature threshold;

[0009] If it is determined that the water temperature value is lower than the preset water temperature threshold, the cooling and demisting mode is activated;

[0010] If it is determined that the water temperature value is greater than the preset water temperature threshold, the heating and demisting mode is activated;

[0011] The preset water temperature threshold is determined according to the water tank water temperature corresponding to the optimal fuel consumption of the vehicle and the heating performance of the HVAC.

[0012] The present invention has the following beneficial effects: upon receiving a defogger request, generating a corresponding control instruction based on the defogger request instruction, and inputting the control instruction into a servo motor of an HVAC assembly, thereby adjusting the damper of the HVAC assembly to a window-blowing mode via the servo motor; further, obtaining a water temperature value in a water tank collected by a temperature sensor, and determining whether the water temperature value is greater than a preset water temperature threshold; specifically, if the water temperature value is determined to be less than the preset water temperature threshold, enabling a cooling defogger mode; if the water temperature value is determined to be greater than the preset water temperature threshold, enabling a heating defogger mode; wherein the preset water temperature threshold is determined based on the water tank water temperature corresponding to the vehicle's optimal fuel consumption and the HVAC heating performance. Through the above-described method, different defogger mechanisms can be adopted according to conditions and stages based on the principle of optimal vehicle fuel consumption, and the appropriate blower air volume level can be determined based on the actual number of occupants in the vehicle, thereby effectively reducing the vehicle's fuel consumption while optimizing the NVH noise inside the vehicle, significantly improving the user's driving experience.

[0013] Preferably, if it is determined that the water temperature value is less than the preset water temperature threshold, the step of activating the refrigeration and demisting mode includes:

[0014] When it is determined that the water temperature value is less than the preset water temperature threshold, a first control signal is generated, and a compressor is activated according to the first control signal, wherein the compressor is connected to the cooling and heating doors;

[0015] Adjust the heating and cooling air doors to the coldest mode, and control the internal and external circulation air doors on the blower to the external circulation mode.

[0016] Preferably, if it is determined that the water temperature value is greater than the preset water temperature threshold, the step of activating the heating and demisting mode includes:

[0017] When it is determined that the water temperature value is greater than the preset water temperature threshold, a second control signal is generated, and the compressor is turned off according to the second control signal, and the heating and cooling air doors are adjusted to the maximum heating mode position, and the internal and external circulation air doors on the blower are controlled to the external circulation mode.

[0018] Preferably, after the step of obtaining the water temperature value in the water tank collected by the temperature sensor and determining whether the water temperature value is greater than a preset water temperature threshold, the method further includes:

[0019] When the target demisting mode is determined, a communication connection is established with a pressure sensor inside the car seat, wherein each car seat is equipped with a pressure sensor;

[0020] collecting a pressure signal on the car seat through the pressure sensor, and determining the number of occupants in the vehicle according to the pressure signal, the number of occupants including the driver and passengers;

[0021] Based on a preset algorithm, a target air volume level corresponding to the blower is determined according to the number of occupants currently in the vehicle, and the windshield of the current vehicle is defogged according to the target air volume level.

[0022] Preferably, the expression of the preset algorithm is:

[0023] D=(Dmax / 2)·(1+ξ)

[0024] Wherein, D represents the air volume level of the blower, Dmax represents the maximum air volume level that the blower can reach, ξ represents the weighted coefficient of the air volume level of the blower, and ξ is determined according to the current number of occupants in the vehicle.

[0025] A second aspect of an embodiment of the present invention provides a vehicle windshield defogging system, the system comprising:

[0026] a control module configured to, upon receiving a defogger request command, generate a corresponding control command according to the defogger request command, and input the control command into a servo motor of an HVAC assembly so as to adjust a damper in the HVAC assembly to a window blowing mode via the servo motor;

[0027] An acquisition module is used to obtain the water temperature value in the water tank collected by the temperature sensor and determine whether the water temperature value is greater than a preset water temperature threshold;

[0028] A first execution module is configured to enable a cooling and demisting mode if it is determined that the water temperature is lower than the preset water temperature threshold;

[0029] A second execution module is configured to enable a heating and demisting mode if it is determined that the water temperature value is greater than the preset water temperature threshold;

[0030] The preset water temperature threshold is determined according to the water tank water temperature corresponding to the optimal fuel consumption of the vehicle and the heating performance of the HVAC.

[0031] In the above-mentioned automobile windshield defogging system, the first execution module is specifically used to:

[0032] When it is determined that the water temperature value is less than the preset water temperature threshold, a first control signal is generated, and a compressor is activated according to the first control signal, wherein the compressor is connected to the cooling and heating doors;

[0033] Adjust the heating and cooling air doors to the coldest mode, and control the internal and external circulation air doors on the blower to the external circulation mode.

[0034] Wherein, in the above-mentioned automobile windshield defogging system, the second execution module is specifically used for:

[0035] When it is determined that the water temperature value is greater than the preset water temperature threshold, a second control signal is generated, and the compressor is turned off according to the second control signal, and the heating and cooling air doors are adjusted to the maximum heating mode, and the internal and external circulation air doors on the blower are controlled to the external circulation mode.

[0036] Wherein, in the above-mentioned automobile windshield demisting system, the automobile windshield demisting system further includes a calculation module, and the calculation module is specifically used to:

[0037] When the target demisting mode is determined, a communication connection is established with a pressure sensor inside the car seat, wherein each car seat is equipped with a pressure sensor;

[0038] collecting a pressure signal on the car seat through the pressure sensor, and determining the number of occupants in the vehicle according to the pressure signal, the number of occupants including the driver and passengers;

[0039] Based on a preset algorithm, a target air volume level corresponding to the blower is determined according to the number of occupants currently in the vehicle, and the windshield of the current vehicle is defogged according to the target air volume level.

[0040] Among them, in the above-mentioned automobile windshield defogging system, the expression of the preset algorithm is:

[0041] D=(Dmax / 2)·(1+ξ)

[0042] Wherein, D represents the air volume level of the blower, Dmax represents the maximum air volume level that the blower can reach, ξ represents the weighted coefficient of the air volume level of the blower, and ξ is determined according to the current number of occupants in the vehicle.

[0043] A third aspect of an embodiment of the present invention provides a computer, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the automobile windshield defogger method described above when executing the computer program.

[0044] A fourth aspect of an embodiment of the present invention provides a readable storage medium having a computer program stored thereon. When the program is executed by a processor, the automobile windshield defogging method described above is implemented.

[0045] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 A flow chart of a method for defogging an automobile windshield provided in accordance with a first embodiment of the present invention;

[0047] Figure 2 This is a structural block diagram of an automobile windshield defogging system provided by the sixth embodiment of the present invention.

[0048] The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0049] To facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. The drawings illustrate several embodiments of the present invention. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present invention.

[0050] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.

[0051] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used in this specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0052] Since the power and energy sources of existing fuel vehicles all come from the engine, when using cold air defogger, the compressor inside the vehicle needs to be started, which increases the power consumption of the engine and thus increases the fuel consumption of the engine. Similarly, if hot air defogger is used, if the water temperature in the water tank inside the vehicle is insufficient, the water temperature in the water tank needs to be further increased, which will also increase the power consumption of the engine and thus increase the fuel consumption of the engine.

[0053] See also Figure 1, shown is a method for defogging a car windshield provided by a first embodiment of the present invention. The method for defogging a car windshield provided by this embodiment can adopt different defogger mechanisms according to conditions and stages based on the principle of optimal fuel consumption of the entire vehicle. At the same time, it can determine the air volume gear suitable for the blower according to the actual number of passengers inside the vehicle, thereby effectively reducing the fuel consumption of the entire vehicle on the one hand, and optimizing the NVH noise inside the vehicle on the other hand, greatly improving the user's driving experience.

[0054] Specifically, the automobile windshield defogging method provided in this embodiment includes the following steps:

[0055] Step S10, when a defogger request instruction is received, generating a corresponding control instruction according to the defogger request instruction, and inputting the control instruction into a servo motor of the HVAC assembly, so as to adjust the damper in the HVAC assembly to a window blowing mode through the servo motor;

[0056] Specifically, in this embodiment, it should be noted that the automobile windshield defogger method provided in this embodiment can be applied to various different car models, and is used to effectively defog the front windshield of the car while meeting low power consumption conditions to eliminate safety hazards for the driver.

[0057] In addition, in this embodiment, it should be noted that the automobile windshield defogger method provided in this embodiment is implemented based on an air-conditioning controller installed inside the vehicle, and the air-conditioning controller can control all parts related to the air-conditioning to complete the defogger of the automobile windshield.

[0058] Based on this, it should be noted that in this step, when this step receives the defogger request instruction input by the user in real time, this step will immediately generate a corresponding control instruction based on the defogger request instruction, and input the control instruction into the servo motor of the HVAC assembly accordingly, so that the damper in the above-mentioned HVAC assembly can be adjusted to the required window blowing mode through the servo motor, that is, the air outlet is aligned with the front windshield of the car.

[0059] Step S20, obtaining the water temperature value in the water tank collected by the temperature sensor, and determining whether the water temperature value is greater than a preset water temperature threshold;

[0060] Furthermore, in this step, it should be noted that this step will further obtain the water temperature value in the water tank collected by the temperature sensor inside the vehicle in real time, and determine in real time whether the water temperature value is greater than the preset water temperature threshold.

[0061] Step S30: If it is determined that the water temperature is lower than the preset water temperature threshold, the cooling and demisting mode is activated;

[0062] Specifically, in this step, it should be noted that if this step determines in real time that the current water temperature value is less than the above-mentioned preset water temperature threshold, the cooling and defogger mode is immediately enabled to complete the effective defoggering of the car's front windshield.

[0063] Step S40: If it is determined that the water temperature is greater than the preset water temperature threshold, the heating and demisting mode is activated;

[0064] Correspondingly, in this step, it should be noted that if this step determines in real time that the above-mentioned water temperature value is greater than the above-mentioned preset water temperature threshold, the heating and demisting mode is immediately enabled to complete the effective demisting of the car's front windshield.

[0065] The preset water temperature threshold is determined based on the water tank temperature corresponding to the vehicle's optimal fuel consumption and the HVAC heating performance. Preferably, in this embodiment, the preset water temperature threshold is set to 50°C by default to improve control accuracy.

[0066] During use, upon receiving a defogger request, a corresponding control instruction is generated based on the defogger request instruction, and the control instruction is input into a servo motor of the HVAC assembly, so that the servo motor adjusts the damper of the HVAC assembly to the window-blowing mode. Furthermore, the temperature sensor obtains the water temperature value in the water tank, and determines whether the water temperature value is greater than a preset water temperature threshold. Specifically, if the water temperature value is determined to be less than the preset water temperature threshold, the cooling defogger mode is activated; if the water temperature value is determined to be greater than the preset water temperature threshold, the heating defogger mode is activated. The preset water temperature threshold is determined based on the water tank temperature corresponding to the vehicle's optimal fuel consumption and the HVAC heating performance. This method allows different defogger mechanisms to be adopted according to conditions and stages based on the principle of optimal vehicle fuel consumption. It also allows the blower's air volume level to be determined based on the actual number of occupants in the vehicle, thereby effectively reducing the vehicle's fuel consumption while optimizing the NVH noise inside the vehicle, significantly improving the user's driving experience.

[0067] It should be noted that the above implementation process is only to illustrate the feasibility of the present application, but this does not mean that the automobile windshield defogger method of the present application has only the above-mentioned only implementation process. On the contrary, as long as the automobile windshield defogger method of the present application can be implemented, it can be included in the feasible implementation plan of the present application.

[0068] In summary, the automobile windshield defogger method provided by the above embodiments of the present invention can adopt different defogger mechanisms according to the conditions and stages based on the principle of optimal fuel consumption of the entire vehicle, and can also determine the appropriate air volume level for the blower based on the actual number of passengers inside the vehicle, thereby effectively reducing the fuel consumption of the entire vehicle while optimizing the NVH noise inside the vehicle, greatly improving the user's driving experience.

[0069] The second embodiment of the present invention also provides a method for demisting an automobile windshield. The difference between the method for demisting an automobile windshield provided in this embodiment and the method for demisting an automobile windshield provided in the first embodiment is that:

[0070] Specifically, in this embodiment, it should be noted that if it is determined that the water temperature value is less than the preset water temperature threshold, the step of enabling the cooling and demisting mode includes:

[0071] When it is determined that the water temperature value is less than the preset water temperature threshold, a first control signal is generated, and a compressor is activated according to the first control signal, wherein the compressor is connected to the cooling and heating doors;

[0072] Adjust the heating and cooling air doors to the coldest mode, and control the internal and external circulation air doors on the blower to the external circulation mode.

[0073] Specifically, in this embodiment, it should be noted that if this embodiment determines in real time that the currently detected water temperature value is greater than the above-mentioned preset water temperature threshold, it means that the water temperature in the current water tank is high, and a first control signal needs to be generated accordingly to enable the compressor according to the first control signal, so that the compressor can start cooling work.

[0074] On this basis, the heating and cooling air doors are further adjusted to the coldest mode. At the same time, the internal and external circulation air doors on the blower are controlled to the external circulation mode. Through the above method, the fog on the windshield can be effectively removed while ensuring low power consumption of the engine, thereby reducing the engine's fuel consumption.

[0075] It should be pointed out that the implementation principle and some technical effects of the method provided in the second embodiment of the present invention are the same as those of the first embodiment. For the sake of brief description, for matters not mentioned in this embodiment, reference may be made to the corresponding content provided in the first embodiment.

[0076] In summary, the automobile windshield defogger method provided by the above embodiments of the present invention can adopt different defogger mechanisms according to the conditions and stages based on the principle of optimal fuel consumption of the entire vehicle, and can also determine the appropriate air volume level for the blower based on the actual number of passengers inside the vehicle, thereby effectively reducing the fuel consumption of the entire vehicle while optimizing the NVH noise inside the vehicle, greatly improving the user's driving experience.

[0077] The third embodiment of the present invention also provides a method for demisting an automobile windshield. The difference between the method for demisting an automobile windshield provided in this embodiment and the method for demisting an automobile windshield provided in the first embodiment is that:

[0078] Furthermore, in this embodiment, it should be noted that if it is determined that the water temperature value is greater than the preset water temperature threshold, the step of activating the heating and demisting mode includes:

[0079] When it is determined that the water temperature value is greater than the preset water temperature threshold, a second control signal is generated, and the compressor is turned off according to the second control signal, and the heating and cooling air doors are adjusted to the maximum heating mode, and the internal and external circulation air doors on the blower are controlled to the external circulation mode.

[0080] Furthermore, in the present embodiment, it should be noted that, correspondingly, if the present embodiment determines in real time that the water temperature value is greater than the preset water temperature threshold, a second control signal will be generated accordingly. At the same time, the compressor will be turned off according to the second control signal. Based on this, the heating and cooling air doors will be adjusted to the maximum heating mode. Finally, it is only necessary to control the internal and external circulation air doors on the blower to the external circulation mode to effectively remove the fog on the windshield.

[0081] It should be pointed out that the implementation principle and some technical effects of the method provided in the third embodiment of the present invention are the same as those of the first embodiment. For the sake of brief description, for matters not mentioned in this embodiment, reference may be made to the corresponding content provided in the first embodiment.

[0082] In summary, the automobile windshield defogger method provided by the above embodiments of the present invention can adopt different defogger mechanisms according to the conditions and stages based on the principle of optimal fuel consumption of the entire vehicle, and can also determine the appropriate air volume level for the blower based on the actual number of passengers inside the vehicle, thereby effectively reducing the fuel consumption of the entire vehicle while optimizing the NVH noise inside the vehicle, greatly improving the user's driving experience.

[0083] The fourth embodiment of the present invention also provides a method for demisting an automobile windshield. The difference between the method for demisting an automobile windshield provided in this embodiment and the method for demisting an automobile windshield provided in the first embodiment is that:

[0084] In addition, in this embodiment, it should be noted that after the steps of obtaining the water temperature value in the water tank collected by the temperature sensor and determining whether the water temperature value is greater than a preset water temperature threshold, the method further includes:

[0085] When the target demisting mode is determined, a communication connection is established with a pressure sensor inside the car seat, wherein each car seat is equipped with a pressure sensor;

[0086] collecting a pressure signal on the car seat through the pressure sensor, and determining the number of occupants in the vehicle according to the pressure signal, the number of occupants including the driver and passengers;

[0087] Based on a preset algorithm, a target air volume level corresponding to the blower is determined according to the number of occupants currently in the vehicle, and the windshield of the current vehicle is defogged according to the target air volume level.

[0088] In addition, in the present embodiment, it should be noted that after the present embodiment determines the corresponding target defogger mode through the water temperature value collected in real time, specifically, the target defogger mode can be cooling defogger or heating defogger. Based on this, a communication connection is established with the pressure sensors in each car seat inside the current vehicle, so that it can be determined whether there are passengers in each car seat according to the pressure signal collected in real time by the pressure sensor. On this basis, the number of occupants in the current vehicle can be accurately determined. Finally, based on the preset algorithm, the target air volume gear corresponding to the blower in the current vehicle can be accurately determined to remove the fog on the windshield based on the target air volume gear.

[0089] It should be pointed out that the implementation principle and some technical effects of the method provided in the fourth embodiment of the present invention are the same as those of the first embodiment. For the sake of brief description, for matters not mentioned in this embodiment, reference may be made to the corresponding content provided in the first embodiment.

[0090] In summary, the automobile windshield defogger method provided by the above embodiments of the present invention can adopt different defogger mechanisms according to the conditions and stages based on the principle of optimal fuel consumption of the entire vehicle, and can also determine the appropriate air volume level for the blower based on the actual number of passengers inside the vehicle, thereby effectively reducing the fuel consumption of the entire vehicle while optimizing the NVH noise inside the vehicle, greatly improving the user's driving experience.

[0091] The fifth embodiment of the present invention also provides a method for demisting an automobile windshield. The difference between the method for demisting an automobile windshield provided in this embodiment and the method for demisting an automobile windshield provided in the first embodiment is that:

[0092] In addition, in this embodiment, it should be noted that the expression of the above preset algorithm is:

[0093] D=(Dmax / 2)·(1+ξ)

[0094] Wherein, D represents the air volume level of the blower, Dmax represents the maximum air volume level that the blower can reach, ξ represents the weighted coefficient of the air volume level of the blower, and ξ is determined according to the current number of occupants in the vehicle.

[0095] In addition, in this embodiment, it should be noted that the above-mentioned preset algorithm can accurately determine the weighted coefficient of the air volume gear of the above-mentioned blower according to the number of passengers inside the vehicle, so that the air volume of the blower can be effectively adjusted, and then the power consumption of the blower can be adjusted accordingly, so that the current blower can continue to be in an efficient working mode, avoiding waste of resources, thereby correspondingly reducing the fuel consumption of the engine.

[0096] It should be pointed out that the implementation principle and some technical effects of the method provided in the fifth embodiment of the present invention are the same as those of the first embodiment. For the sake of brief description, for matters not mentioned in this embodiment, reference may be made to the corresponding content provided in the first embodiment.

[0097] In summary, the automobile windshield defogger method provided by the above embodiments of the present invention can adopt different defogger mechanisms according to the conditions and stages based on the principle of optimal fuel consumption of the entire vehicle, and can also determine the appropriate air volume level for the blower based on the actual number of passengers inside the vehicle, thereby effectively reducing the fuel consumption of the entire vehicle while optimizing the NVH noise inside the vehicle, greatly improving the user's driving experience.

[0098] See also Figure 2 , shown is a vehicle windshield defogging system provided by a sixth embodiment of the present invention, the system comprising:

[0099] a control module 12 configured to, upon receiving a defogger request command, generate a corresponding control command according to the defogger request command, and input the control command into a servo motor of the HVAC assembly so as to adjust a damper in the HVAC assembly to a window blowing mode via the servo motor;

[0100] The acquisition module 22 is used to obtain the water temperature value in the water tank collected by the temperature sensor and determine whether the water temperature value is greater than a preset water temperature threshold;

[0101] A first execution module 32 is configured to enable a cooling and demisting mode if it is determined that the water temperature is less than the preset water temperature threshold;

[0102] The second execution module 42 is configured to enable the heating and demisting mode if it is determined that the water temperature value is greater than the preset water temperature threshold;

[0103] The preset water temperature threshold is determined according to the water tank water temperature corresponding to the optimal fuel consumption of the vehicle and the heating performance of the HVAC.

[0104] In the above-mentioned automobile windshield defogging system, the first execution module 32 is specifically used to:

[0105] When it is determined that the water temperature value is less than the preset water temperature threshold, a first control signal is generated, and a compressor is activated according to the first control signal, wherein the compressor is connected to the cooling and heating doors;

[0106] Adjust the heating and cooling air doors to the coldest mode, and control the internal and external circulation air doors on the blower to the external circulation mode.

[0107] In the above-mentioned automobile windshield defogging system, the second execution module 42 is specifically used to:

[0108] When it is determined that the water temperature value is greater than the preset water temperature threshold, a second control signal is generated, and the compressor is turned off according to the second control signal, and the heating and cooling air doors are adjusted to the maximum heating mode, and the internal and external circulation air doors on the blower are controlled to the external circulation mode.

[0109] In the above-mentioned automobile windshield demisting system, the automobile windshield demisting system further includes a calculation module 52, and the calculation module 52 is specifically used to:

[0110] When the target demisting mode is determined, a communication connection is established with a pressure sensor inside the car seat, wherein each car seat is equipped with a pressure sensor;

[0111] collecting a pressure signal on the car seat through the pressure sensor, and determining the number of occupants in the vehicle according to the pressure signal, the number of occupants including the driver and passengers;

[0112] Based on a preset algorithm, a target air volume level corresponding to the blower is determined according to the number of occupants currently in the vehicle, and the windshield of the current vehicle is defogged according to the target air volume level.

[0113] Among them, in the above-mentioned automobile windshield defogging system, the expression of the preset algorithm is:

[0114] D=(Dmax / 2)·(1+ξ)

[0115] Wherein, D represents the air volume level of the blower, Dmax represents the maximum air volume level that the blower can reach, ξ represents the weighted coefficient of the air volume level of the blower, and ξ is determined according to the current number of occupants in the vehicle.

[0116] A seventh embodiment of the present invention provides a computer, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor. When the processor executes the computer program, the automobile windshield demisting method provided in the above embodiment is implemented.

[0117] An eighth embodiment of the present invention provides a readable storage medium having a computer program stored thereon. When the program is executed by a processor, the method for defogging a car windshield provided in the above embodiments is implemented.

[0118] In summary, the automobile windshield defogger method, system, computer and readable storage medium provided by the above embodiments of the present invention can adopt different defogger mechanisms according to conditions and stages based on the principle of optimal fuel consumption of the entire vehicle, and can also determine the air volume gear suitable for the blower according to the actual number of passengers inside the vehicle, thereby effectively reducing the fuel consumption of the entire vehicle on the one hand, and optimizing the NVH noise inside the vehicle on the other hand, greatly improving the user's driving experience.

[0119] It should be noted that the above modules can be functional modules or program modules, and can be implemented through software or hardware. For modules implemented through hardware, the above modules can be located in the same processor; or the above modules can be located in different processors in any combination.

[0120] The logic and / or steps represented in the flowcharts or otherwise described herein, for example, can be considered as an ordered list of executable instructions for implementing the logical functions, and can be embodied in any computer-readable medium for use by, or in conjunction with, an instruction execution system, apparatus, or device (e.g., a computer-based system, a system including a processor, or other system that can fetch and execute instructions from an instruction execution system, apparatus, or device). For purposes of this specification, a "computer-readable medium" can be any device that can contain, store, communicate, propagate, or transport a program for use by, or in conjunction with, an instruction execution system, apparatus, or device.

[0121] More specific examples (a non-exhaustive list) of computer-readable media include the following: an electrical connection with one or more wires (electronic devices), a portable computer disk cartridge (magnetic devices), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), a fiber optic device, and a portable compact disc read-only memory (CDROM). In addition, the computer-readable medium may even be paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium, followed by editing, deciphering, or processing in another suitable manner as necessary, and then stored in a computer memory.

[0122] It should be understood that various parts of the present invention can be implemented using hardware, software, firmware, or a combination thereof. In the above-described embodiments, multiple steps or methods can be implemented using software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented using hardware, as in another embodiment, any one of the following technologies known in the art or a combination thereof can be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application-specific integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0123] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0124] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A method for defogging a car windshield, characterized in that: The method comprises: When a defogger request is received, a corresponding control instruction is generated according to the defogger request, and the control instruction is input into a servo motor of an HVAC assembly so as to adjust a damper in the HVAC assembly to a window blowing mode via the servo motor; Obtaining the water temperature value in the water tank collected by the temperature sensor, and determining whether the water temperature value is greater than a preset water temperature threshold; If it is determined that the water temperature value is lower than the preset water temperature threshold, the cooling and demisting mode is activated; If it is determined that the water temperature value is greater than the preset water temperature threshold, the heating and demisting mode is activated; The preset water temperature threshold is determined according to the water tank water temperature corresponding to the optimal fuel consumption of the vehicle and the heating performance of the HVAC; If it is determined that the water temperature value is less than the preset water temperature threshold, the step of activating the cooling and demisting mode includes: When it is determined that the water temperature value is less than the preset water temperature threshold, a first control signal is generated, and a compressor is activated according to the first control signal, wherein the compressor is connected to the cooling and heating doors; Adjust the heating and cooling air doors to the coldest mode, and control the internal and external circulation air doors on the blower to the external circulation mode; If it is determined that the water temperature value is greater than the preset water temperature threshold, the step of activating the heating and demisting mode includes: When it is determined that the water temperature value is greater than the preset water temperature threshold, a second control signal is generated, and the compressor is turned off according to the second control signal, and the heating and cooling air doors are adjusted to the maximum heating mode, and the internal and external circulation air doors on the blower are controlled to the external circulation mode.

2. The automobile windshield defogging method according to claim 1, characterized in that: After the steps of obtaining the water temperature value in the water tank collected by the temperature sensor and determining whether the water temperature value is greater than a preset water temperature threshold, the method further includes: When the target demisting mode is determined, a communication connection is established with a pressure sensor inside the car seat, wherein each car seat is equipped with a pressure sensor; collecting a pressure signal on the car seat through the pressure sensor, and determining the number of occupants in the vehicle according to the pressure signal, the number of occupants including the driver and passengers; Based on a preset algorithm, a target air volume level corresponding to the blower is determined according to the number of occupants currently in the vehicle, and the windshield of the current vehicle is defogged according to the target air volume level.

3. The automobile windshield defogging method according to claim 2, characterized in that: The expression of the preset algorithm is: D = (Dmax / 2)·(1+ξ) Wherein, D represents the air volume level of the blower, Dmax represents the maximum air volume level that the blower can reach, ξ represents the weighted coefficient of the air volume level of the blower, and ξ is determined according to the current number of occupants in the vehicle.

4. A car windshield defogging system, characterized in that: The system comprises: a control module configured to, upon receiving a defogger request command, generate a corresponding control command according to the defogger request command, and input the control command into a servo motor of an HVAC assembly so as to adjust a damper in the HVAC assembly to a window blowing mode via the servo motor; An acquisition module is used to obtain the water temperature value in the water tank collected by the temperature sensor and determine whether the water temperature value is greater than a preset water temperature threshold; A first execution module is configured to enable a cooling and demisting mode if it is determined that the water temperature is lower than the preset water temperature threshold; A second execution module is configured to enable a heating and demisting mode if it is determined that the water temperature value is greater than the preset water temperature threshold; The preset water temperature threshold is determined according to the water tank water temperature corresponding to the optimal fuel consumption of the vehicle and the heating performance of the HVAC; The first execution module is specifically configured to: When it is determined that the water temperature value is less than the preset water temperature threshold, a first control signal is generated, and a compressor is activated according to the first control signal, wherein the compressor is connected to the cooling and heating doors; Adjust the heating and cooling air doors to the coldest mode, and control the internal and external circulation air doors on the blower to the external circulation mode; The second execution module is specifically configured to: When it is determined that the water temperature value is greater than the preset water temperature threshold, a second control signal is generated, and the compressor is turned off according to the second control signal, and the heating and cooling air doors are adjusted to the maximum heating mode, and the internal and external circulation air doors on the blower are controlled to the external circulation mode.

5. A computer comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the computer program, the automobile windshield defogging method according to any one of claims 1 to 3 is implemented.

6. A readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the automobile windshield defogging method according to any one of claims 1 to 3 is implemented.

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