Vehicle glass defrosting method and apparatus, vehicle, and storage medium

By monitoring the light transmittance and frost thickness of vehicle glass in real time, and dynamically adjusting ultrasonic vibration, defrosting airflow, and wiper parameters, the high energy consumption and poor targeting of existing technologies are solved, achieving a highly efficient and low-energy intelligent defrosting effect.

WO2025245695A1PCT designated stage Publication Date: 2025-12-04ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +1
View PDF 5 Cites 0 Cited by

Patent Information

Application Number
PCT/CN2024/095778
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-12-04

AI Technical Summary

Technical Problem

Existing vehicle window defrosting methods are energy-intensive and lack specificity for different frost and ice conditions, affecting driving visibility and safety.

Method used

By acquiring real-time light transmittance and frost thickness parameters of vehicle glass, and using preset logic rules and parameter tables, the ultrasonic vibration intensity, defrosting airflow temperature, wiper preload and frequency are dynamically adjusted to achieve intelligent defrosting operation.

Benefits of technology

It reduces defrosting energy consumption, improves defrosting efficiency, adapts to different frost and ice conditions, ensures clear driving visibility, and reduces safety hazards.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN2024095778_04122025_PF_FP_ABST
    Figure CN2024095778_04122025_PF_FP_ABST
Patent Text Reader

Abstract

The present application relates to a vehicle glass defrosting method and apparatus, a vehicle, and a storage medium. The method comprises: acquiring a real-time influence factor parameter of vehicle glass, the real-time influence factor comprising light transmittance and / or frost thickness influencing the defrosting effect on the vehicle glass; acquiring a preset logic rule, and querying the preset logic rule on the basis of the real-time influence factor parameter, so as to determine a target defrosting mode corresponding to the real-time influence factor parameter; acquiring a preset parameter table, and querying the preset parameter table on the basis of the target defrosting mode, so as to determine a target defrosting parameter corresponding to the target defrosting mode, target defrosting parameters comprising ultrasonic vibration intensity, defrosting airflow temperature, windshield wiper pre-tightening force, and windshield wiper frequency; and executing a defrosting operation on the vehicle glass on the basis of the target defrosting parameter, so that the energy consumption of defrosting is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Vehicle windshield defrosting methods, devices, vehicles and storage media Technical Field

[0001] This application relates to the field of vehicle safety technology, and in particular to a method, apparatus, vehicle, and storage medium for defrosting vehicle windows. Background Technology

[0002] In cold weather, vehicle windows are prone to frost or even ice formation; or when there is a large temperature difference between the inside of the vehicle and the outside environment, the windows are also prone to fogging. This affects the visibility of people inside the vehicle and will seriously affect the driver's vision, which can easily lead to safety accidents. Therefore, it is necessary for the vehicle's windshield to have the function of defrosting, defogging and de-icing.

[0003] Currently, the main defrosting, defogging, and de-icing methods include vehicle-mounted heating defrosting systems and electric heating glass with resistance wires. However, these defrosting methods consume a lot of energy. The inventors realized that there was an urgent need to propose a defrosting method that could reduce energy consumption.

[0004] Summary of the Invention

[0005] According to various embodiments disclosed in this application, a method, apparatus, vehicle, and storage medium for defrosting vehicle windows are provided.

[0006] A method for defrosting vehicle windows includes:

[0007] Obtain real-time influencing factor parameters for vehicle glass; real-time influencing factors include light transmittance and / or frost thickness, which affect the defrosting effect of vehicle glass.

[0008] Obtain the preset logic rules and query the preset logic rules based on the real-time impact factor parameters to determine the target defrosting mode corresponding to the real-time impact factor parameters;

[0009] Obtain the preset parameter table and query it according to the target defrost mode to determine the target defrost parameters corresponding to the target defrost mode; the target defrost parameters include ultrasonic vibration intensity, defrost airflow temperature, wiper preload, and wiper frequency; and

[0010] Perform defrosting operation on the vehicle windows according to the target defrosting parameters.

[0011] A defrosting device includes an ultrasonic vibrator, a wiper actuator, a thickness sensor, an optical sensor, a hot air generator, and a controller. The ultrasonic vibrator, wiper actuator, thickness sensor, optical sensor, and hot air generator are all communicatively connected to the controller. The controller includes at least one memory and at least one processor. The memory is used to store computer-readable instructions, and the processor is used to execute the computer-readable instructions to implement the aforementioned vehicle glass defrosting method.

[0012] A vehicle includes a vehicle glass defrosting device to implement the aforementioned disclosed vehicle glass defrosting method.

[0013] A non-volatile computer-readable storage medium is provided for storing computer-readable instructions; wherein, when executed by a processor, the computer-readable instructions implement the aforementioned vehicle glass defrosting method.

[0014] Details of one or more embodiments of this application are set forth in the following drawings and description. Other features and advantages of this application will become apparent from the specification, drawings, and claims. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 is a first method flowchart of a vehicle glass defrosting method according to one or more embodiments.

[0017] Figure 2 is a second method flowchart of a vehicle glass defrosting method according to one or more embodiments.

[0018] Figure 3 is a structural diagram of a vehicle glass defrosting device according to one or more embodiments.

[0019] Figure 4 is a structural diagram of a vehicle according to one or more embodiments.

[0020] Explanation of reference numerals in the accompanying drawings: 1. Ultrasonic vibrator; 2. Wiper actuator; 3. Thickness sensor; 4. Optical sensor; 5. Hot air generator; 6. Vehicle glass; 7. Frost layer; 8. Passenger compartment interior; 9. Passenger compartment exterior; 20. Vehicle; 21. Processor; 22. Memory; 221. Computer-readable instructions. Detailed Implementation

[0021] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0022] This application discloses a vehicle glass defrosting method according to some embodiments. This vehicle glass defrosting method can be applied to electronic devices. Referring to Figure 1, the method includes:

[0023] S101, Obtain real-time influencing factor parameters for vehicle glass; real-time influencing factors include light transmittance and / or frost thickness that affect the defrosting effect of vehicle glass.

[0024] Specifically, the vehicle glass defrosting method of this application first requires obtaining real-time influencing factor parameters of the vehicle glass, namely real-time light transmittance and / or real-time frost thickness, so as to adjust the defrosting mode (corresponding to defrosting intensity) and defrosting effect in real time based on the real-time light transmittance and / or real-time frost thickness. Specifically, the defrosting mode and effect can be adjusted in real time based on the real-time light transmittance, or based on the real-time frost thickness, or based on both real-time light transmittance and real-time frost thickness. In some embodiments of this application, the defrosting mode and effect are adjusted in real time based on both real-time light transmittance and real-time frost thickness.

[0025] S102, obtain the preset logic rules, and query the preset logic rules according to the real-time impact factor parameters to determine the target defrosting mode corresponding to the real-time impact factor parameters;

[0026] Specifically, after obtaining the real-time influencing factor parameters, preset logical rules are retrieved. Then, a query operation is performed on these preset logical rules based on the real-time influencing factor parameters. This means querying the preset logical rules based on real-time transmittance and real-time frost thickness to determine the corresponding target defrosting mode from the preset logical rules. Here, real-time transmittance and / or real-time frost thickness represent the defrosting conditions; different defrosting conditions correspond to different target defrosting modes, achieving targeted defrosting.

[0027] S103, obtain the preset parameter table, and query the preset parameter table according to the target defrosting mode to determine the target defrosting parameters corresponding to the target defrosting mode; the target defrosting parameters include ultrasonic vibration intensity, defrosting airflow temperature, wiper preload and wiper frequency;

[0028] Specifically, after determining the target defrost mode corresponding to the real-time light transmittance and / or real-time frost thickness, a preset parameter table can be obtained. This table stores the defrost parameters corresponding to different defrost modes. Then, a query operation is performed on the preset parameter table based on the target defrost mode to retrieve the target defrost parameters corresponding to that mode, allowing for further defrosting operations according to these parameters. The target defrost parameters include ultrasonic vibration intensity, defrost airflow temperature, wiper preload, and wiper frequency. Therefore, different light transmittance and / or frost thickness correspond to different defrost modes, and different defrost modes correspond to different ultrasonic vibration intensities, defrost airflow temperatures, wiper preload, and wiper frequencies. Furthermore, a defrost mode can be determined under a fixed light transmittance and / or frost thickness. Based on this defrost mode, the corresponding ultrasonic vibration intensity, defrost airflow temperature, wiper preload, and wiper frequency can be determined.

[0029] S104, Perform defrosting operation on the vehicle glass according to the target defrosting parameters.

[0030] Once the target defrosting parameters are determined, namely the corresponding ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency, the defrosting operation can be performed according to these parameters.

[0031] In some embodiments of this application, the defrosting methods include ultrasonic defrosting, hot air defrosting, and wiper defrosting. The vehicle glass defrosting method of this application first obtains real-time influencing factor parameters, namely real-time light transmittance and / or real-time frost thickness. Then, it determines the current defrosting condition, namely the target defrosting mode, based on the real-time light transmittance and / or frost thickness. Then, it determines the corresponding target defrosting parameters based on the target defrosting mode. The target defrosting parameters include ultrasonic vibration intensity (corresponding to ultrasonic defrosting mode), defrosting airflow temperature (corresponding to hot air defrosting mode), wiper preload, and wiper frequency (corresponding to wiper defrosting mode). Existing technologies employ heating defrosting, where the heater is a resistive component that primarily performs work through heat. In contrast, the ultrasonic defrosting and wiper defrosting methods of this application utilize non-resistive components, primarily performing work without heat, thus reducing defrosting energy consumption. Furthermore, this application achieves vehicle glass defrosting through three methods: ultrasonic defrosting, hot air defrosting, and wiper defrosting. Different ultrasonic vibration intensities, defrosting airflow temperatures, wiper preload, and wiper frequencies are used under different operating conditions to achieve targeted defrosting, further reducing energy consumption and improving efficiency. Moreover, the use of different sensors to collect parameters and intervene with different defrosting methods at different times enhances intelligence, maximizing the utilization of defrosting heat and enabling automatic defrosting control. In some embodiments of this application, defrosting includes three application scenarios: defogging, defrosting, and de-icing.

[0032] In some embodiments, a preset logical rule is obtained, and the preset logical rule is queried based on the real-time impact factor parameter to determine the target defrosting mode corresponding to the real-time impact factor parameter, including:

[0033] The real-time transmittance of the vehicle glass and the preset logic rules are obtained, and the first transmittance threshold and the second transmittance threshold are obtained from the preset logic rules.

[0034] In response to the real-time light transmittance being less than the first light transmittance threshold, the frost on the vehicle glass is determined to be in a thick ice state based on the real-time light transmittance and the first light transmittance threshold, and the target defrosting mode is set to the first defrosting mode.

[0035] In response to the real-time transmittance being greater than or equal to the second transmittance threshold, the frost on the vehicle glass is determined to be in a frost-free state based on the real-time transmittance and the second transmittance threshold, and the target defrosting mode is set to non-defrosting mode.

[0036] In response to a real-time light transmittance greater than or equal to a first light transmittance threshold and less than a second light transmittance threshold, the real-time frost thickness of the vehicle glass is obtained, and the target defrosting mode is determined based on the real-time frost thickness and the real-time light transmittance.

[0037] Specifically, the real-time transmittance and preset logic rules are obtained. The preset logic rules are then queried to obtain a first transmittance threshold and a second transmittance threshold. The real-time transmittance is then compared with both the first and second transmittance thresholds. The first transmittance threshold is the critical value for executing the highest intensity defrosting, and the second transmittance threshold is the critical value for not executing defrosting. Further, when the real-time transmittance is less than the first transmittance threshold, it indicates that the transmittance of the frost on the vehicle glass is low, meaning the frost has low porosity. In this case, the frost on the vehicle glass is in a thick ice state, and the target defrosting mode needs to be determined as the first defrosting mode, which is the highest intensity defrosting mode, based on the real-time transmittance and the first transmittance threshold. When the real-time transmittance is greater than or equal to the second transmittance threshold, it indicates that the transmittance of the frost on the vehicle glass is high, meaning the frost has high porosity. In this case, the frost on the vehicle glass does not affect vehicle safety, or there is no frost on the vehicle glass, so no defrosting operation is required. Therefore, the target defrosting mode in this case is the non-defrosting mode. When the real-time transmittance is greater than or equal to the first transmittance threshold and less than the second transmittance threshold, it indicates that the transmittance of the frost on the vehicle glass is between the first and second transmittance thresholds. In this case, it is necessary to obtain the real-time frost thickness of the vehicle glass, and then determine the target defrosting mode based on the real-time frost thickness and real-time transmittance. Furthermore, in the step of obtaining preset logic rules and querying the preset logic rules based on real-time influence factor parameters to determine the target defrosting mode corresponding to the real-time influence factor parameters, the order of judging transmittance and frost thickness can be adjusted. That is, the frost thickness can be judged first, followed by the transmittance, to determine the target defrosting mode. Specifically, first, the real-time frost thickness of the vehicle glass and the corresponding thickness threshold are obtained. Based on the real-time frost thickness and thickness threshold, the state of the frost on the vehicle glass is initially classified. Then, the real-time transmittance and transmittance threshold of the vehicle glass are obtained to further subdivide the state of the frost on the vehicle glass based on the real-time transmittance and transmittance threshold (it is also possible to further subdivide the state of the frost on the vehicle glass based on the real-time transmittance, transmittance threshold, real-time frost thickness, and frost thickness threshold). Finally, the classified frost state is determined according to... The appropriate defrosting mode should be selected to determine the target defrosting mode; alternatively, the light transmittance should be determined first, followed by the frost thickness to determine the target defrosting mode; or both light transmittance and frost thickness can be determined simultaneously to determine the target defrosting mode. Specifically, the real-time frost thickness and real-time light transmittance of the vehicle glass are obtained, along with the corresponding light transmittance threshold and frost thickness threshold. The frost state is initially classified using four factors: real-time frost thickness, real-time light transmittance, frost thickness threshold, and light transmittance threshold. Then, the frost state is further subdivided using the corresponding frost thickness threshold and light transmittance threshold (which can be different from the threshold used for the initial state classification). Alternatively, the frost state can be directly subdivided using the four factors: frost thickness, real-time light transmittance, frost thickness threshold, and light transmittance threshold. The final frost state corresponds to the appropriate defrosting mode to determine the target defrosting mode.In some embodiments of this application, the target defrosting mode is determined by first judging the light transmittance and then judging the frost thickness. The second light transmittance threshold is greater than the first light transmittance threshold. The first light transmittance threshold ranges from 38% to 42%, and is specifically selected as 40%. The second light transmittance threshold ranges from 88% to 92%, and is specifically selected as 90%.

[0038] In some embodiments, the real-time frost thickness of the vehicle glass is obtained, and a target defrosting mode is determined based on the real-time frost thickness and real-time light transmittance, including:

[0039] Obtain the real-time frost thickness of the vehicle glass, and obtain the first thickness threshold and the second thickness threshold from preset logic rules;

[0040] In response to a real-time frost thickness greater than or equal to a first thickness threshold, a target defrosting mode is determined based on the first thickness threshold and the real-time light transmittance.

[0041] In response to a real-time frost thickness being less than a second thickness threshold, a target defrosting mode is determined based on the second thickness threshold and the real-time light transmittance.

[0042] In response to a real-time frost thickness greater than or equal to a second thickness threshold and less than a first thickness threshold, a target defrosting mode is determined based on the first thickness threshold, the second thickness threshold, and the real-time transmittance.

[0043] Specifically, when the real-time light transmittance is greater than or equal to the first light transmittance threshold and less than the second light transmittance threshold, it indicates that the light transmittance of the frost on the vehicle glass is between the first and second light transmittance thresholds. In this case, it is necessary to obtain the real-time frost thickness of the vehicle glass. After obtaining the real-time frost thickness of the vehicle glass, the first thickness threshold and the second thickness threshold need to be obtained from preset logic rules. The first thickness threshold is the critical value for a relatively thick frost, and the second thickness threshold is the critical value for a relatively thin frost. When the real-time frost thickness is greater than or equal to the first thickness threshold, it indicates that the frost thickness is relatively thick. In this case, the target defrosting mode is determined based on the first thickness threshold and the real-time light transmittance of the vehicle glass, and the defrosting intensity of the target defrosting mode is relatively high. When the real-time frost thickness is less than the second thickness threshold, it indicates that the frost thickness is relatively thin. In this case, the target defrosting mode is determined based on the second thickness threshold and the real-time light transmittance of the vehicle glass, and the defrosting intensity of the target defrosting mode is relatively low. When the real-time frost thickness is greater than or equal to the second thickness threshold and less than the first thickness threshold, it indicates that the frost thickness is moderate. In this case, the target defrosting mode is determined based on the first thickness threshold, the second thickness threshold, and the real-time light transmittance of the vehicle glass, and the defrosting intensity of the target defrosting mode is moderate. The first thickness threshold is greater than the second thickness threshold. The value range of the first thickness threshold is 0.76mm-0.80mm, and the specific value of the first thickness threshold is 0.78mm. The value range of the second thickness threshold is 0.19mm-0.23mm, and the specific value of the second thickness threshold is 0.21mm.

[0044] In some embodiments, in response to a real-time frost thickness greater than or equal to a first thickness threshold, determining a target defrosting mode based on the first thickness threshold and real-time light transmittance includes:

[0045] In response to a real-time frost thickness greater than or equal to a first thickness threshold, a third light transmittance threshold is obtained from a preset logic rule;

[0046] In response to the real-time transmittance being greater than or equal to the third transmittance threshold, the frost on the vehicle glass is determined to be in a thick ice state based on the real-time transmittance and the third transmittance threshold, and the target defrosting mode is set to the first defrosting mode.

[0047] In response to the real-time light transmittance being less than the third light transmittance threshold, the frost on the vehicle glass is determined to be in a fluffy, thick frost state based on the real-time light transmittance and the third light transmittance threshold, and the target defrosting mode is set to the second defrosting mode.

[0048] Specifically, when the real-time frost thickness is greater than or equal to the first thickness threshold, it indicates a relatively thick frost. The target defrosting mode is determined based on the first thickness threshold of the vehicle glass and the real-time light transmittance. Specifically, a preset logic rule is queried to obtain the third light transmittance threshold, and then the real-time light transmittance is compared with the third light transmittance threshold. The third light transmittance threshold is the critical value between thick ice and fluffy thick frost. When the real-time light transmittance is greater than or equal to the third light transmittance threshold, it indicates that the frost thickness is in a thick ice state. Therefore, based on the real-time light transmittance and the third light transmittance threshold, the frost on the vehicle glass is determined to be in a thick ice state. The target defrosting mode in this case is the same as when the real-time light transmittance is less than the first light transmittance threshold—the first defrosting mode, which has the highest defrosting intensity. When the real-time light transmittance is less than the third light transmittance threshold, it indicates that the frost thickness is in a fluffy thick frost state. Therefore, based on the real-time light transmittance and the third light transmittance threshold, the target defrosting mode is determined to be the second defrosting mode. The value range of the third light transmittance threshold is 53%-57%, and 55% is specifically selected for the third light transmittance threshold.

[0049] In some embodiments, in response to a real-time frost thickness being greater than or equal to a second thickness threshold and less than a first thickness threshold, determining a target defrosting mode based on the first thickness threshold, the second thickness threshold, and the real-time transmittance includes:

[0050] In response to a real-time frost thickness being greater than or equal to the second thickness threshold and less than the first thickness threshold, a fourth light transmittance threshold is obtained from a preset logic rule;

[0051] In response to the real-time transmittance being greater than or equal to the fourth transmittance threshold, the frost on the vehicle glass is determined to be of medium thickness based on the real-time transmittance and the fourth transmittance threshold, and the target defrosting mode is set to the third defrosting mode.

[0052] In response to the real-time light transmittance being less than the fourth light transmittance threshold, the frost on the vehicle glass is determined to be of medium thickness based on the real-time light transmittance and the fourth light transmittance threshold, and the target defrosting mode is set to the fourth defrosting mode.

[0053] Specifically, when the real-time frost thickness is greater than or equal to the second thickness threshold and less than the first thickness threshold, it indicates a medium frost thickness. The target defrosting mode is then determined based on the first and second thickness thresholds of the vehicle glass and the real-time light transmittance. In this case, the defrosting intensity of the target defrosting mode is medium. Specifically, a preset logic rule is queried to obtain the fourth light transmittance threshold. Then, the real-time light transmittance is compared with the fourth light transmittance threshold. The fourth light transmittance threshold is the critical value between medium-thickness ice and medium-thickness frost. When the real-time light transmittance is greater than or equal to the fourth light transmittance threshold, it indicates a medium-thickness ice state. The target defrosting mode is then determined as the third defrosting mode based on the real-time light transmittance and the fourth light transmittance threshold. When the real-time light transmittance is less than the fourth light transmittance threshold, it indicates a medium-thickness frost state. The target defrosting mode is then determined as the fourth defrosting mode based on the real-time light transmittance and the fourth light transmittance threshold. The value range of the fourth light transmittance threshold is 58%-62%, and 60% is specifically selected for the fourth light transmittance threshold.

[0054] In some embodiments, in response to a real-time frost thickness being less than a second thickness threshold, determining a target defrosting mode based on the second thickness threshold and real-time light transmittance includes:

[0055] In response to the real-time frost thickness being less than the second thickness threshold, the fifth light transmittance threshold is obtained from the preset logic rules;

[0056] In response to a real-time transmittance greater than or equal to the fifth transmittance threshold, the frost on the vehicle glass is determined to be in a thin ice state based on the real-time transmittance and the fifth transmittance threshold, and the target defrosting mode is set to the fifth defrosting mode.

[0057] In response to the real-time light transmittance being less than the fifth light transmittance threshold, the frost on the vehicle glass is determined to be in a fluffy, thin frost state based on the real-time light transmittance and the fifth light transmittance threshold, and the target defrosting mode is set to the sixth defrosting mode.

[0058] Specifically, when the real-time frost thickness is less than the second thickness threshold, it indicates a thin frost thickness. The target defrosting mode is then determined based on the second thickness threshold of the vehicle glass and the real-time light transmittance. In this case, the defrosting intensity of the target defrosting mode is relatively low. Specifically, a preset logic rule is queried to obtain the fifth light transmittance threshold. Then, the real-time light transmittance is compared with the fifth light transmittance threshold. The fifth light transmittance threshold is the critical value between a thin layer of ice and a fluffy thin frost. When the real-time light transmittance is greater than or equal to the fifth light transmittance threshold, it indicates a thin ice state. The target defrosting mode is then determined as the fifth defrosting mode based on the real-time light transmittance and the fifth light transmittance threshold. When the real-time light transmittance is less than the fifth light transmittance threshold, it indicates a fluffy thin frost state. The target defrosting mode is then determined as the sixth defrosting mode based on the real-time light transmittance and the fifth light transmittance threshold. The value range of the fifth light transmittance threshold is 63%-67%, and 65% is specifically selected for the fifth light transmittance threshold. The order of light transmittance thresholds is: first light transmittance threshold < third light transmittance threshold < fourth light transmittance threshold < fifth light transmittance threshold < second light transmittance threshold.

[0059] In some embodiments, the ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency constitute the defrosting intensity of the vehicle glass. The defrosting intensity decreases sequentially according to the first defrosting mode, the third defrosting mode, and the fifth defrosting mode; and sequentially according to the second defrosting mode, the fourth defrosting mode, and the sixth defrosting mode.

[0060] Specifically, the vehicle glass defrosting method of this application combines three defrosting modes: ultrasonic defrosting, hot air defrosting, and wiper defrosting. The defrosting intensity is adjusted by modifying the ultrasonic vibration intensity in the ultrasonic defrosting mode, the defrosting airflow temperature in the hot air defrosting mode, and the wiper preload and wiper frequency in the wiper defrosting mode, thus achieving targeted defrosting under different operating conditions. Based on the frost state, six defrosting conditions are defined: thick ice, fluffy thick frost, medium-thickness ice, medium-thickness frost, thin ice, and fluffy thin frost. The target defrosting mode corresponding to the thick ice state is the first defrosting mode; the target defrosting mode corresponding to the fluffy thick frost state is the second defrosting mode; the target defrosting mode corresponding to the medium-thickness ice state is the third defrosting mode; the target defrosting mode corresponding to the medium-thickness frost state is the fourth defrosting mode; the target defrosting mode corresponding to the thin ice state is the fifth defrosting mode; and the target defrosting mode corresponding to the fluffy thin frost state is the sixth defrosting mode. The defrosting mode for thick ice exhibits the highest defrosting intensity, while the defrosting mode for loose, thin frost has the lowest. Referring to the preset parameter table in Table 1, the defrosting intensity decreases sequentially from the first, third, and fifth defrosting modes; and from the second, fourth, and sixth defrosting modes. Additionally, a non-defrosting mode is included, where the real-time light transmittance is greater than or equal to the second light transmittance threshold, eliminating the need for defrosting. For frost and ice layers with low light transmittance, stronger ultrasonic vibration, wiper preload, and wiper frequency are prioritized to lower the defrosting airflow temperature and reduce energy consumption. For frost and ice layers with high light transmittance, moderate-intensity ultrasonic vibration, wiper preload, and wiper frequency are prioritized to lower the defrosting airflow temperature and reduce energy consumption. Specific intensity levels can be adjusted based on experimental data.

[0061] In some embodiments, before obtaining the real-time influence factor parameters of the vehicle glass, the method further includes:

[0062] Multiple transmittance thresholds are defined based on light transmittance, and multiple frost thickness thresholds are defined based on frost thickness.

[0063] Specifically, the preset logic rules store the logical relationship between light transmittance, frost thickness, and the target defrosting mode. The preset parameter table stores the relationship between each target defrosting mode and ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency. Therefore, it is necessary to establish the preset logic rules and preset parameter table in advance. Specifically, firstly, multiple light transmittance thresholds are defined according to light transmittance, and multiple frost thickness thresholds are defined according to frost thickness. The light transmittance thresholds and frost thickness thresholds are determined based on empirical values.

[0064] Different defrosting modes were established under the combination of light transmittance threshold and frost thickness threshold. The ultrasonic vibration intensity, defrosting airflow temperature, wiper preload and wiper frequency corresponding to different defrosting modes were determined by experiment.

[0065] Specifically, after defining the transmittance threshold and frost thickness threshold, these thresholds are combined to form a set of simulated operating conditions, which simulate the defrosting mode. Then, an experimental environment is established to simulate defrosting operations under different defrosting modes. Based on the experiments, the most effective ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency corresponding to each defrosting mode are determined to establish the most effective and economical defrosting intensity for different defrosting conditions. The transmittance threshold and frost thickness threshold determine the critical points between different operating conditions. During the definition of the transmittance threshold and frost thickness threshold, the thresholds can be redefined based on the relationship between transmittance, frost thickness, and the ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency in the defrosting mode, ensuring that the critical points reflected by the transmittance threshold and frost thickness threshold are more accurate.

[0066] Establish preset logic rules based on light transmittance threshold, frost thickness threshold, and defrosting mode;

[0067] Specifically, after defining the transmittance threshold and the frost thickness threshold, and determining the logical relationship between the transmittance threshold, the frost thickness threshold, and the defrosting mode, this logical relationship can be stored to form preset logical rules. The preset logical rules are shown in Figure 2.

[0068] A preset parameter table is established based on the target defrosting mode and the corresponding ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency.

[0069] Specifically, once the target defrosting mode is determined and the relationships between the ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency corresponding to each target defrosting mode are established, the target defrosting mode and its corresponding ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency can be stored to form a preset parameter table. The preset parameter table is shown in Table 1.

[0070] Table 1 Preset Parameter Table

[0071] Other embodiments of this application disclose a specific method for defrosting vehicle windows. Compared with the above embodiments, these embodiments further illustrate and refine the technical solution. Referring to Figure 2, Figure 2 is a flowchart of the second method of the vehicle window defrosting method provided in this application. In the method shown in Figure 2, the content that is the same as or similar to that in the method shown in Figure 1 can be referred to the description in the method of Figure 1, and will not be repeated here. Specifically, it includes:

[0072] S201, multiple transmittance thresholds are defined according to transmittance, and multiple frost thickness thresholds are defined according to frost thickness;

[0073] Before implementing the vehicle glass defrosting method of this application, multiple light transmittance thresholds are first defined according to light transmittance, and multiple frost thickness thresholds are defined according to frost thickness. The light transmittance thresholds and frost thickness thresholds are determined based on empirical values.

[0074] S202, different defrosting modes are established under the combination of light transmittance threshold and frost thickness threshold. The ultrasonic vibration intensity, defrosting airflow temperature, wiper preload and wiper frequency corresponding to different defrosting modes are determined by experiment.

[0075] After defining the transmittance threshold and frost thickness threshold, these thresholds are combined to form a set of simulated operating conditions. This simulates the defrosting mode. Then, an experimental environment is established to simulate defrosting operations under different modes. Based on the experiments, the most effective ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency for each defrosting mode are determined, thus establishing the most effective and economical defrosting intensity for different defrosting conditions.

[0076] S203, establish preset logic rules based on light transmittance threshold, frost thickness threshold and defrosting mode;

[0077] Once the transmittance threshold and frost thickness threshold are defined, and the logical relationship between the transmittance threshold, frost thickness threshold, and defrost mode is determined, the logical relationship between the transmittance threshold, frost thickness threshold, and defrost mode can be stored to form preset logical rules.

[0078] S204, a preset parameter table is established based on the target defrosting mode and the corresponding ultrasonic vibration intensity, defrosting airflow temperature, wiper preload and wiper frequency.

[0079] Once the target defrosting mode is determined and the relationship between the ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency corresponding to each target defrosting mode is established, the target defrosting mode and its corresponding ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency can be stored to form a preset parameter table.

[0080] S205, obtains the real-time light transmittance of the vehicle glass.

[0081] The vehicle glass defrosting method of this application first requires obtaining the real-time light transmittance of the vehicle glass, so as to adjust the defrosting mode and defrosting effect in real time according to the real-time light transmittance.

[0082] S206, Obtain preset logic rules, and obtain the first light transmission threshold and the second light transmission threshold from the preset logic rules;

[0083] After obtaining the real-time transmittance, the preset logic rules are obtained and queried to obtain the first transmittance threshold and the second transmittance threshold, so that the real-time transmittance can be compared with the first transmittance threshold and the second transmittance threshold.

[0084] S207, compare the real-time transmittance, the first transmittance threshold, and the second transmittance threshold;

[0085] When the real-time transmittance is less than the first transmittance threshold, it indicates that the transmittance of the frost on the vehicle glass is low, meaning the porosity of the frost is low, and step S2071 is executed. When the real-time transmittance is greater than or equal to the first transmittance threshold and less than the second transmittance threshold, it indicates that the transmittance of the frost on the vehicle glass is between the first and second transmittance thresholds, and step S2072 is executed. When the real-time transmittance is greater than or equal to the second transmittance threshold, it indicates that the transmittance of the frost on the vehicle glass is high, meaning the porosity of the frost is high, and step S2073 is executed.

[0086] S2071, Determine that the frost on the vehicle glass is in a thick ice state, and set the target defrosting mode to the first defrosting mode;

[0087] When the real-time light transmittance is less than the first light transmittance threshold, it means that the light transmittance of the frost on the vehicle glass is low, that is, the porosity of the frost is low. At this time, the frost on the vehicle glass is in a thick ice state. It is necessary to determine the target defrosting mode as the first defrosting mode based on the real-time light transmittance and the first light transmittance threshold. This first defrosting mode is the defrosting mode with the highest intensity.

[0088] S2072, Obtain the real-time frost thickness of the vehicle glass, and obtain the first thickness threshold and the second thickness threshold from the preset logic rules;

[0089] When the real-time light transmittance is greater than or equal to the first light transmittance threshold and less than the second light transmittance threshold, it indicates that the light transmittance of the frost on the vehicle glass is between the first and second light transmittance thresholds. In this case, it is necessary to obtain the real-time frost thickness of the vehicle glass. After obtaining the real-time frost thickness of the vehicle glass, the first and second thickness thresholds need to be obtained from preset logic rules.

[0090] S2073, the target defrosting mode is determined to be non-defrosting mode.

[0091] When the real-time light transmittance is greater than or equal to the second light transmittance threshold, it indicates that the light transmittance of the frost on the vehicle glass is high, which means that the porosity of the frost is high. At this time, the frost on the vehicle glass does not affect vehicle safety, or there is no frost on the vehicle glass and no defrosting operation is required. Therefore, the target defrosting mode at this time is the non-defrosting mode.

[0092] After step S2072 is executed, step S208 is executed to compare the real-time frost thickness, the first thickness threshold, and the second thickness threshold.

[0093] When the real-time frost thickness is greater than or equal to the first thickness threshold, it indicates that the frost thickness is relatively thick, and step S2081 is executed. When the real-time frost thickness is greater than or equal to the second thickness threshold and less than the first thickness threshold, it indicates that the frost thickness is moderate, and step S2082 is executed. When the real-time frost thickness is less than the second thickness threshold, it indicates that the frost thickness is relatively thin, and step S2083 is executed.

[0094] S2081, Determine the target defrosting mode based on the first thickness threshold of the vehicle glass and the real-time light transmittance;

[0095] The system queries a preset logic rule to obtain the third light transmittance threshold. Then, it compares the real-time light transmittance with this threshold. When the real-time light transmittance is greater than or equal to the third threshold, it indicates that the frost is in a thick ice state. Based on both the real-time light transmittance and the third threshold, the frost on the vehicle glass is determined to be in a thick ice state. The target defrosting mode in this case is the same as when the real-time light transmittance is less than the first threshold—the first defrosting mode, which has the highest defrosting intensity. When the real-time light transmittance is less than the third threshold, it indicates that the frost is in a fluffy, thick frost state. Based on both the real-time light transmittance and the third threshold, the target defrosting mode is determined to be the second defrosting mode.

[0096] S2082, Determine the target defrosting mode based on the first thickness threshold, the second thickness threshold and the real-time transmittance;

[0097] The system queries a preset logic rule to obtain the fourth light transmittance threshold. Then, it compares the real-time light transmittance with this threshold. If the real-time light transmittance is greater than or equal to the fourth threshold, it indicates a medium-thickness frost, and the target defrost mode is determined to be the third defrost mode based on both the real-time light transmittance and the fourth threshold. If the real-time light transmittance is less than the fourth threshold, it indicates a medium-thickness frost, and the target defrost mode is determined to be the fourth defrost mode based on both the real-time light transmittance and the fourth threshold.

[0098] S2083, determine the target defrosting mode based on the second thickness threshold and real-time transmittance.

[0099] The system queries a preset logic rule to obtain the fifth light transmittance threshold. Then, it compares the real-time light transmittance with this threshold. If the real-time light transmittance is greater than or equal to the fifth threshold, it indicates that the frost thickness is a thin layer of ice, and the target defrost mode is determined to be the fifth defrost mode based on both the real-time light transmittance and the fifth threshold. If the real-time light transmittance is less than the fifth threshold, it indicates that the frost thickness is a fluffy, thin layer of frost, and the target defrost mode is determined to be the sixth defrost mode based on both the real-time light transmittance and the fifth threshold.

[0100] S209, obtain the preset parameter table, and query the preset parameter table according to the target defrosting mode to determine the target defrosting parameters corresponding to the target defrosting mode.

[0101] After determining the target defrosting mode corresponding to the real-time light transmittance and / or real-time frost thickness, a preset parameter table can be obtained. The preset parameter table stores the defrosting parameters corresponding to different defrosting modes. Then, a query operation is performed on the preset parameter table based on the target defrosting mode to obtain the target defrosting parameters corresponding to the target defrosting mode from the preset parameter table, so as to further perform the defrosting operation according to the target defrosting parameters.

[0102] S210 performs a defrosting operation on the vehicle glass according to the target defrosting parameters.

[0103] Once the target defrosting parameters are determined, namely the corresponding ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency, the defrosting operation can be performed according to the target defrosting parameters.

[0104] It should be understood that although the steps in the flowcharts of Figures 1 and 2 are shown sequentially according to the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated herein, there is no strict order restriction on the execution of these steps, and they can be executed in other orders. Moreover, at least some of the steps in Figures 1 and 2 may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily completed at the same time, but can be executed at different times. The execution order of these sub-steps or stages is not necessarily sequential, but can be performed alternately or in turn with other steps or at least some of the sub-steps or stages of other steps.

[0105] Some embodiments of this application also disclose a vehicle glass defrosting device, as shown in FIG3, specifically including an ultrasonic vibrator 1, a wiper actuator 2, a thickness sensor 3, an optical sensor 4, a hot air generator 5, and a controller, wherein:

[0106] An ultrasonic vibrator 1 is used to generate ultrasonic waves to remove frost from the vehicle glass, as shown in frost layer 7 in Figure 3. The intensity of the ultrasonic vibration can be controlled by a controller (not shown in the figure) to adjust the defrosting intensity.

[0107] Wiper actuator 2 is used to achieve defrosting via the wipers. The wiper preload and wiper frequency can be controlled by the controller to adjust the defrosting intensity.

[0108] Hot air generator 5 is used to generate hot air flow. The flow rate and temperature of the hot air flow can be controlled by the controller to adjust the defrosting intensity. In addition, the direction of the airflow can also be controlled, as shown by the arrow in Figure 3.

[0109] Thickness sensor 3 is used to collect the thickness of frost on the vehicle glass.

[0110] Optical sensor 4 is used to collect the light transmittance on the vehicle glass, thereby reflecting the porosity of the frost.

[0111] The controller includes at least one memory 22 and at least one processor 21. The memory 22 is used to store computer-readable instructions, and the processor 21 is used to execute the computer-readable instructions 221. When the computer-readable instructions 221 are executed by the processor 21, one or more processors 21 perform the following steps:

[0112] Obtain real-time influencing factor parameters for vehicle glass; real-time influencing factors include light transmittance and / or frost thickness, which affect the defrosting effect of vehicle glass.

[0113] Obtain the preset logic rules and query the preset logic rules based on the real-time impact factor parameters to determine the target defrosting mode corresponding to the real-time impact factor parameters;

[0114] Obtain the preset parameter table and query it according to the target defrost mode to determine the target defrost parameters corresponding to the target defrost mode; the target defrost parameters include ultrasonic vibration intensity, defrost airflow temperature, wiper preload, and wiper frequency; and

[0115] Perform defrosting operation on the vehicle windows according to the target defrosting parameters.

[0116] In addition, the vehicle glass defrosting device also includes the vehicle glass 6, the interior of the passenger compartment 8, and the exterior of the passenger compartment 9. The controller controls the ultrasonic vibration intensity of the ultrasonic generator 1, the airflow temperature of the hot air generator 5, the wiper preload of the wiper actuator 2, and the wiper frequency based on the frost thickness collected by the thickness sensor 3 and / or the light transmittance collected by the optical sensor 4. This allows for the adjustment of the defrosting intensity under different defrosting modes, achieving coordinated control, improving the defrosting efficiency of the vehicle glass defrosting device, and reducing its energy consumption.

[0117] Some embodiments of this application also disclose a vehicle including the above-described vehicle window defrosting device to perform the following steps:

[0118] Obtain real-time influencing factor parameters for vehicle glass; real-time influencing factors include light transmittance and / or frost thickness, which affect the defrosting effect of vehicle glass.

[0119] Obtain the preset logic rules and query the preset logic rules based on the real-time impact factor parameters to determine the target defrosting mode corresponding to the real-time impact factor parameters;

[0120] Obtain the preset parameter table and query it according to the target defrost mode to determine the target defrost parameters corresponding to the target defrost mode; the target defrost parameters include ultrasonic vibration intensity, defrost airflow temperature, wiper preload, and wiper frequency; and

[0121] Perform defrosting operation on the vehicle windows according to the target defrosting parameters.

[0122] The vehicle includes a vehicle glass defrosting device, which includes an ultrasonic vibrator 1, a wiper actuator 2, a thickness sensor 3, an optical sensor 4, a hot air generator 5, and a controller. The ultrasonic vibrator 1, wiper actuator 2, thickness sensor 3, optical sensor 4, and hot air generator 5 are all communicatively connected to the controller. The controller includes at least one memory 22 and at least one processor 21. The memory 22 is used to store computer-readable instructions 221, and the processor 21 is used to execute the computer-readable instructions 221 to implement the aforementioned disclosed vehicle glass defrosting method.

[0123] The controller controls the ultrasonic vibration intensity of the ultrasonic generator 1, the airflow temperature of the hot air generator 5, the wiper preload and wiper frequency of the wiper actuator 2 based on the frost thickness collected by the thickness sensor 3 and / or the light transmittance collected by the optical sensor 4. This allows for the adjustment of the defrosting intensity under different defrosting modes, achieving coordinated control, improving the defrosting efficiency of the vehicle glass defrosting device, reducing the energy consumption of the vehicle glass defrosting device, and further reducing the vehicle's energy consumption.

[0124] Specific limitations regarding the vehicle window defrosting device can be found in the above description of the vehicle window defrosting method, and will not be repeated here. Each component in the aforementioned vehicle window defrosting device can be implemented entirely or partially through software, hardware, or a combination thereof. These components can be embedded in or independent of the processor in the electronic device, or stored in the memory of the electronic device as software, so that the processor can call and execute the operations corresponding to each module. In this embodiment, the electronic device can specifically be a computer.

[0125] Figure 4 is a schematic diagram of the structure of a vehicle provided in an embodiment of this application. The vehicle 20 may specifically include at least one processor 21 and at least one memory 22. The memory 22 stores computer-readable instructions 221, which are loaded and executed by the processor 21 to implement the relevant steps in the vehicle glass defrosting method disclosed in any of the foregoing embodiments.

[0126] Furthermore, the memory 22, as a carrier for resource storage, can be a read-only memory, random access memory, disk, or optical disk, etc. The resources stored thereon may include computer-readable instructions 221, and the storage method may be temporary storage or permanent storage. The computer-readable instructions 221 may include, in addition to computer-readable instructions capable of performing the glass defrosting method executed by the electronic device disclosed in any of the foregoing embodiments, computer-readable instructions capable of performing other specific tasks.

[0127] Furthermore, embodiments of this application also disclose a non-volatile computer-readable storage medium for storing computer-readable instructions 221; when the computer-readable instructions 221 are executed by the processor 21, one or more processors 21 perform the following steps:

[0128] Obtain real-time influencing factor parameters for vehicle glass; real-time influencing factors include light transmittance and / or frost thickness, which affect the defrosting effect of vehicle glass.

[0129] Obtain the preset logic rules and query the preset logic rules based on the real-time impact factor parameters to determine the target defrosting mode corresponding to the real-time impact factor parameters;

[0130] Obtain the preset parameter table and query it according to the target defrost mode to determine the target defrost parameters corresponding to the target defrost mode; the target defrost parameters include ultrasonic vibration intensity, defrost airflow temperature, wiper preload, and wiper frequency; and

[0131] Perform defrosting operation on the vehicle windows according to the target defrosting parameters.

[0132] For the specific steps of this method, please refer to the relevant content disclosed in the foregoing embodiments, which will not be repeated here.

[0133] The various embodiments in this application are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. For the same or similar parts between the various embodiments, refer to each other. As for the apparatus disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and relevant parts can be referred to in the method section.

[0134] Those skilled in the art will further recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both. To clearly illustrate the interchangeability of hardware and software, the components and steps of the various examples have been generally described in terms of functionality in the foregoing description. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0135] The steps of the methods or algorithms described in conjunction with the embodiments disclosed herein can be implemented directly by hardware, a software module executed by a processor, or a combination of both. The software module can be located in random access memory (RAM), main memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.

[0136] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.

[0137] The above provides a detailed description of a vehicle glass defrosting method, apparatus, vehicle, and storage medium provided in this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A method for defrosting vehicle windows, characterized in that, The method includes: Obtain the real-time influencing factor parameters of the vehicle glass; the real-time influencing factors include light transmittance and / or frost thickness that affect the defrosting effect of the vehicle glass; Obtain preset logic rules and query the preset logic rules according to the real-time impact factor parameters to determine the target defrosting mode corresponding to the real-time impact factor parameters; Obtain a preset parameter table and query the preset parameter table according to the target defrosting mode to determine the target defrosting parameters corresponding to the target defrosting mode; the target defrosting parameters include ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency; and The vehicle glass is defrosted according to the target defrosting parameters.

2. The vehicle glass defrosting method according to claim 1, characterized in that, The step of obtaining preset logic rules and querying the preset logic rules according to the real-time impact factor parameters to determine the target defrosting mode corresponding to the real-time impact factor parameters includes: The real-time light transmittance and preset logic rules of the vehicle glass are obtained, and a first light transmittance threshold and a second light transmittance threshold are obtained from the preset logic rules. In response to the real-time light transmittance being less than the first light transmittance threshold, the frost on the vehicle glass is determined to be in a thick ice state based on the real-time light transmittance and the first light transmittance threshold, and the target defrosting mode is set to the first defrosting mode. In response to the real-time transmittance being greater than or equal to the second transmittance threshold, the frost on the vehicle glass is determined to be in a frost-free state based on the real-time transmittance and the second transmittance threshold, and the target defrosting mode is set to a non-defrosting mode; and In response to the real-time light transmittance being greater than or equal to the first light transmittance threshold and less than the second light transmittance threshold, the real-time frost thickness of the vehicle glass is obtained, and a target defrosting mode is determined based on the real-time frost thickness and the real-time light transmittance.

3. The vehicle glass defrosting method according to claim 2, characterized in that, The step of obtaining the real-time frost thickness of the vehicle glass and determining the target defrosting mode based on the real-time frost thickness and real-time light transmittance includes: The real-time frost thickness of the vehicle glass is obtained, and a first thickness threshold and a second thickness threshold are obtained from the preset logic rules. In response to the real-time frost thickness being greater than or equal to the first thickness threshold, a target defrosting mode is determined based on the first thickness threshold and the real-time light transmittance. In response to the real-time frost thickness being less than the second thickness threshold, a target defrosting mode is determined based on the second thickness threshold and the real-time light transmittance; and In response to the real-time frost thickness being greater than or equal to the second thickness threshold and less than the first thickness threshold, a target defrosting mode is determined based on the first thickness threshold, the second thickness threshold, and the real-time light transmittance.

4. The vehicle glass defrosting method according to claim 3, characterized in that, The step of determining a target defrosting mode based on the first thickness threshold and real-time light transmittance in response to the real-time frost thickness being greater than or equal to the first thickness threshold includes: In response to the real-time frost thickness being greater than or equal to the first thickness threshold, a third light transmittance threshold is obtained from the preset logic rule; In response to the real-time transmittance being greater than or equal to the third transmittance threshold, the frost on the vehicle glass is determined to be in a thick ice state based on the real-time transmittance and the third transmittance threshold, and the target defrosting mode is set to the first defrosting mode; and In response to the real-time light transmittance being less than the third light transmittance threshold, the frost on the vehicle glass is determined to be in a fluffy, thick frost state based on the real-time light transmittance and the third light transmittance threshold, and the target defrosting mode is set to the second defrosting mode.

5. The vehicle glass defrosting method according to claim 3, characterized in that, The step of determining a target defrosting mode based on the real-time frost thickness being greater than or equal to the second thickness threshold and less than the first thickness threshold, in response to the real-time frost thickness being greater than or equal to the second thickness threshold and less than the first thickness threshold, includes: In response to the real-time frost thickness being greater than or equal to the second thickness threshold and less than the first thickness threshold, a fourth light transmittance threshold is obtained from the preset logic rule; In response to the real-time transmittance being greater than or equal to the fourth transmittance threshold, the frost on the vehicle glass is determined to be of medium thickness based on the real-time transmittance and the fourth transmittance threshold, and the target defrosting mode is set to the third defrosting mode; and In response to the real-time light transmittance being less than the fourth light transmittance threshold, the frost on the vehicle glass is determined to be of medium thickness based on the real-time light transmittance and the fourth light transmittance threshold, and the target defrosting mode is set to the fourth defrosting mode.

6. The vehicle glass defrosting method according to claim 3, characterized in that, The step of determining a target defrosting mode based on the second thickness threshold and real-time light transmittance in response to the real-time frost thickness being less than the second thickness threshold includes: In response to the real-time frost thickness being less than the second thickness threshold, a fifth light transmittance threshold is obtained from the preset logic rule; In response to the real-time transmittance being greater than or equal to the fifth transmittance threshold, the frost on the vehicle glass is determined to be in a thin ice state based on the real-time transmittance and the fifth transmittance threshold, and the target defrosting mode is set to the fifth defrosting mode; and In response to the real-time light transmittance being less than the fifth light transmittance threshold, the frost on the vehicle glass is determined to be in a fluffy, thin frost state based on the real-time light transmittance and the fifth light transmittance threshold, and the target defrosting mode is set to the sixth defrosting mode.

7. The vehicle glass defrosting method according to claim 6, characterized in that, The ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency constitute the defrosting intensity of the vehicle glass. The defrosting intensity decreases sequentially according to the first defrosting mode, the third defrosting mode, and the fifth defrosting mode; and the defrosting intensity decreases sequentially according to the second defrosting mode, the fourth defrosting mode, and the sixth defrosting mode.

8. The vehicle glass defrosting method according to any one of claims 1-7, characterized in that, Before obtaining the real-time influence factor parameters of the vehicle glass, the method further includes: Multiple transmittance thresholds are defined according to the transmittance, and multiple frost thickness thresholds are defined according to the frost thickness; Different defrosting modes were established under the combination of the light transmittance threshold and the frost thickness threshold. The ultrasonic vibration intensity, defrosting airflow temperature, wiper preload and wiper frequency corresponding to different defrosting modes were determined by experiment. The preset logic rules are established based on the light transmittance threshold, frost thickness threshold, and defrost mode; and The preset parameter table is established based on the target defrosting mode and the corresponding ultrasonic vibration intensity, defrosting airflow temperature, wiper preload, and wiper frequency.

9. A vehicle window defrosting device, characterized in that, The device includes an ultrasonic vibrator (1), a wiper actuator (2), a thickness sensor (3), an optical sensor (4), a hot air generator (5), and a controller. The ultrasonic vibrator (1), the wiper actuator (2), the thickness sensor (3), the optical sensor (4), and the hot air generator (5) are all communicatively connected to the controller. The controller includes at least one memory and at least one processor. The memory is used to store computer-readable instructions, and the processor is used to execute the computer-readable instructions to implement the vehicle glass defrosting method as described in any one of claims 1 to 8.

10. A vehicle, characterized in that: Includes the vehicle glass defrosting device as described in claim 9.

11. A non-volatile computer-readable storage medium, characterized in that, Used to store computer-readable instructions; wherein, when executed by a processor, the computer-readable instructions implement the vehicle glass defrosting method as described in any one of claims 1 to 8.

Citation Information

Patent Citations

  • Vehicle defrosting and demisting method and device

    CN113353025A

  • Vehicle defrosting and demisting system, method and device, vehicle and storage medium

    CN115257633A

  • Local ultrasonic defrosting device for medical ultralow-temperature preservation box and control method

    CN116379689A

  • Air conditioner for vehicle

    JP2003260923A

  • vehicle defrost device

    KR1019980059704A