Freezing treatment method and device for outside rear-view mirror, electronic equipment and vehicle

Abstract

The invention discloses a freezing treatment method and device for an outside rear-view mirror, electronic equipment and a vehicle. The method comprises the steps that whether the outside rear-view mirror is in a first state level or not is judged; if the outside rear-view mirror is in the first state grade, whether the outside rear-view mirror is in a second state grade or not is judged; and if the outside rear-view mirror is in the second state grade, the output torque of a driving motor of the outside rear-view mirror is adjusted, and the driving motor is called to execute ice breaking operation according to the adjusted output torque. Therefore, by detecting the freezing fault of the outside rear-view mirror, when the outside rear-view mirror is in a frozen state, the warning information can be sent to a user, and the outside rear-view mirror is automatically subjected to ice breaking operation until it is determined that ice breaking of the outside rear-view mirror succeeds, so that the ice breaking problem of the outside rear-view mirror is effectively solved.

Description

Technical Field

[0001] The present application relates to the field of automobile technology, and in particular to a method and device for handling ice freezing of exterior rearview mirrors, electronic equipment, and a vehicle. Background Art

[0002] The exterior rearview mirror is an important component of the car's safety configuration. The driver can use the exterior rearview mirror to check the vehicle's rear and road conditions, which plays a vital role in driving safety. However, in rainy and snowy weather, the folded position of the exterior rearview mirror will freeze, causing the exterior rearview mirror to not be able to be opened normally, which will cause the exterior rearview mirror to be unable to be used normally, affecting driving safety. Therefore, it is necessary to solve the problem of ice forming at the folded position of the exterior rearview mirror in a timely manner.

[0003] In the prior art, the problem of freezing of the folded position of the exterior rearview mirror in winter is mainly solved by reducing the gap size of the folded position of the exterior rearview mirror and designing a water leakage hole on the mirror housing of the exterior rearview mirror.

[0004] However, due to the low outside temperature, it is difficult for the frozen parts of the exterior rearview mirrors to hydrate automatically, and external force is needed to break the ice. As a result, the problem of freezing at the folding position of the exterior rearview mirrors cannot be fundamentally solved. Summary of the invention

[0005] Based on the above-mentioned deficiencies in the prior art, the present application provides a method and device for handling ice on an exterior rearview mirror, an electronic device, and a vehicle to solve the problem of being unable to effectively break ice on the exterior rearview mirror.

[0006] In order to achieve the above objectives, this application provides the following technical solutions:

[0007] The first aspect of the present application provides a method for treating freezing of an exterior rearview mirror, comprising:

[0008] Determining whether the exterior rearview mirror is in a first state level;

[0009] If the exterior rearview mirror is in the first state level, determining whether the exterior rearview mirror is in the second state level;

[0010] If the exterior rearview mirror is in the second state level, the output torque of the drive motor of the exterior rearview mirror is adjusted, and the drive motor is called to perform the ice-breaking operation according to the adjusted output torque.

[0011] Optionally, in the above-mentioned method for handling ice freezing of the exterior rearview mirror, adjusting the output torque of the drive motor of the exterior rearview mirror and calling the drive motor to perform an ice-breaking operation according to the adjusted output torque includes:

[0012] Increasing the output torque of the drive motor of the exterior rearview mirror;

[0013] Adjusting the movement frequency of the drive motor;

[0014] According to the adjusted output torque and movement frequency, the drive motor is called to perform ice-breaking operation in a preset movement direction.

[0015] Optionally, in the above-mentioned method for handling ice freezing of the exterior rearview mirror, after calling the drive motor to perform the ice breaking operation in a preset movement direction according to the adjusted output torque and movement frequency, the method further includes:

[0016] When it is detected that the exterior rearview mirror fails to break ice, the output torque of the drive motor is increased according to a preset multiple;

[0017] Determining whether the increased output torque of the drive motor is less than the maximum torque;

[0018] If the increased output torque of the driving motor is less than the maximum torque, calling the driving motor to perform the ice-breaking operation in a preset movement direction according to the movement frequency and the increased output torque;

[0019] If the increased output torque of the driving motor is not less than the maximum torque, the exterior rearview mirror is heated, and based on the maximum torque and the movement frequency, the driving motor is called to perform an ice-breaking operation in a preset movement direction.

[0020] Optionally, in the above-mentioned method for handling freezing of the exterior rearview mirror, the step of determining whether the exterior rearview mirror is in the first state level includes:

[0021] Get the operating current value of the exterior rearview mirror;

[0022] Determining whether the operating current value of the exterior rearview mirror is within a normal value range of the operating current;

[0023] If the operating current value of the exterior rearview mirror is not within the normal value range of the operating current, it is determined that the exterior rearview mirror is in the first state level.

[0024] Optionally, in the above-mentioned method for handling freezing of the exterior rearview mirror, the step of determining whether the exterior rearview mirror is in the first state level includes:

[0025] Activate the folding function of the exterior mirrors;

[0026] Detecting whether the unfolded position of the exterior rearview mirror is at a designated position; wherein, if the unfolded position of the exterior rearview mirror is not at the designated position, determining that the exterior rearview mirror is at a first state level.

[0027] Optionally, in the above-mentioned method for handling freezing of the exterior rearview mirror, the determining whether the exterior rearview mirror is in the second state level includes:

[0028] Get the outside temperature;

[0029] Determine whether the outside temperature is lower than a preset temperature; if the outside temperature is lower than the preset temperature, determine that the outside rearview mirror is in a second state level.

[0030] Optionally, in the above-mentioned method for handling ice freezing of the exterior rearview mirror, after adjusting the output torque of the drive motor of the exterior rearview mirror and calling the drive motor to perform the ice breaking operation according to the adjusted output torque, the method further includes:

[0031] When it is detected that the driving motor has completed the ice-breaking operation, the exterior rearview mirror is driven to operate;

[0032] Detecting whether the exterior rearview mirror is in normal operating state;

[0033] If the exterior rearview mirror is in a normal operating state, it is determined that ice breaking is successful;

[0034] If the exterior rearview mirror is not in a normal operating state, the process returns to the step of adjusting the output torque of the drive motor of the exterior rearview mirror, and calls the drive motor to perform an ice-breaking operation according to the adjusted output torque.

[0035] A second aspect of the present application provides a freezing treatment device for an exterior rearview mirror, comprising:

[0036] a first judging unit, used to judge whether the exterior rearview mirror is in a first state level;

[0037] a second judging unit, configured to judge whether the exterior rearview mirror is in a second state level if the exterior rearview mirror is in the first state level;

[0038] The regulating unit is used to regulate the output torque of the driving motor of the exterior rearview mirror if the exterior rearview mirror is in the second state level, and to call the driving motor to perform an ice-breaking operation according to the regulated output torque.

[0039] Optionally, in the above-mentioned freezing treatment device for the exterior rearview mirror, the adjustment unit comprises:

[0040] A first increasing unit, used to increase the output torque of the driving motor of the exterior rearview mirror;

[0041] An adjustment unit, used for adjusting the movement frequency of the driving motor;

[0042] The first calling unit is used to call the driving motor to perform an ice-breaking operation in a preset movement direction according to the adjusted output torque and movement frequency.

[0043] Optionally, in the above-mentioned freezing treatment device for the exterior rearview mirror, it further includes:

[0044] A second increasing unit is used to increase the output torque of the driving motor according to a preset multiple when it is detected that the exterior rearview mirror fails to break ice;

[0045] a torque determination unit, used to determine whether the increased output torque of the driving motor is less than the maximum torque;

[0046] a second calling unit, configured to call the drive motor to perform an ice-breaking operation in a preset movement direction according to the movement frequency and the increased output torque if the increased output torque of the drive motor is less than the maximum torque;

[0047] The heating unit is used to heat the exterior rearview mirror if the increased output torque of the drive motor is not less than the maximum torque, and to call the drive motor to perform an ice-breaking operation in a preset movement direction according to the maximum torque and the movement frequency.

[0048] Optionally, in the above-mentioned freezing treatment device for the exterior rearview mirror, the first judgment unit includes:

[0049] An acquisition unit, used for acquiring an operating current value of an exterior rearview mirror;

[0050] A range judgment unit is used to judge whether the operating current value of the exterior rearview mirror is within the normal value range of the operating current; wherein, if the operating current value of the exterior rearview mirror is not within the normal value range of the operating current, it is determined that the exterior rearview mirror is in the first state level.

[0051] Optionally, in the above-mentioned freezing treatment device for the exterior rearview mirror, the first judgment unit includes:

[0052] A starter unit, used to start the folding function of the exterior rearview mirrors;

[0053] A position detection unit is used to detect whether the unfolded position of the exterior rearview mirror is at a specified position; wherein, if the unfolded position of the exterior rearview mirror is not at the specified position, it is determined that the exterior rearview mirror is at a first state level.

[0054] Optionally, in the above-mentioned freezing treatment device for the exterior rearview mirror, the second judgment unit includes:

[0055] A temperature acquisition unit, used to acquire the external temperature;

[0056] The temperature judgment unit is used to judge whether the outside temperature is lower than a preset temperature; if the outside temperature is lower than the preset temperature, it is determined that the outside rearview mirror is in the second state level.

[0057] Optionally, in the above-mentioned freezing treatment device for the exterior rearview mirror, it further includes:

[0058] A driving unit, configured to drive the exterior rearview mirror to operate when it is detected that the driving motor has completed the ice-breaking operation;

[0059] A state monitoring unit, used to detect whether the exterior rearview mirror is in a normal operating state;

[0060] a determination unit, configured to determine that ice breaking is successful if the exterior rearview mirror is in a normal operating state;

[0061] The execution unit is used to return to the step of adjusting the output torque of the driving motor of the exterior rearview mirror if the exterior rearview mirror is not in a normal operating state, and call the driving motor to perform an ice-breaking operation according to the adjusted output torque.

[0062] The third aspect of the present application provides an electronic device, including: a processor and a memory, wherein the processor and the memory are connected via a communication bus; wherein the processor is used to call and execute a program stored in the memory; and the memory is used to store a program, wherein the program is specifically used to implement a control method for breaking ice of an exterior rearview mirror as described in any one of the above items.

[0063] A fourth aspect of the present application provides a vehicle, which includes the electronic device disclosed in the third aspect of the embodiment of the present application.

[0064] The present application provides a method for handling ice freezing of an exterior rearview mirror, which determines whether the exterior rearview mirror is in a first state level. If the exterior rearview mirror is in the first state level, it determines whether the exterior rearview mirror is in a second state level. If the exterior rearview mirror is in the second state level, it adjusts the output torque of the drive motor of the exterior rearview mirror, and calls the drive motor to perform ice breaking operation according to the adjusted output torque. Thus, by performing ice failure detection on the exterior rearview mirror, it is ensured that when the exterior rearview mirror is in a frozen state, an alarm message can be sent to the user, and the exterior rearview mirror can be automatically broken until it is determined that the exterior rearview mirror is successfully broken, thereby effectively solving the ice breaking problem of the exterior rearview mirror, and also effectively solving the safety problem of traffic accidents caused by exterior rearview mirror failure. BRIEF DESCRIPTION OF THE DRAWINGS

[0065] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0066] Figure 1 A schematic diagram of the structure of a vehicle system device provided in an embodiment of the present application;

[0067] Figure 2 A schematic diagram of the structure of a rearview mirror freezing warning and ice-breaking device provided in an embodiment of the present application;

[0068] Figure 3 A flowchart of a method for treating freezing of an exterior rearview mirror provided in an embodiment of the present application;

[0069] Figure 4 A flowchart of a method for determining an abnormal state provided in an embodiment of the present application;

[0070] Figure 5 A flowchart of another method for determining an abnormal state provided in an embodiment of the present application;

[0071] Figure 6 A flowchart of a method for determining a frozen state provided in an embodiment of the present application;

[0072] Figure 7 A flow chart of an ice-breaking method for an exterior rearview mirror provided in an embodiment of the present application;

[0073] Figure 8 A flow chart of another ice-breaking method for an exterior rearview mirror provided in an embodiment of the present application;

[0074] Fig. 9 A schematic structural diagram of a freezing treatment device for an exterior rearview mirror provided in another embodiment of the present application. DETAILED DESCRIPTION

[0075] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0076] In this application, relational terms such as first and second, etc. are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the statement "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0077] An embodiment of the present application provides a method for processing ice on an exterior rearview mirror, which is applied to a vehicle system device to solve the problem of being unable to effectively break ice on the exterior rearview mirror.

[0078] Alternatively, if Figure 1 As shown, an embodiment of the present application provides a vehicle system device, including: a rearview mirror ice warning and ice-breaking device 101, vehicle-mounted components (T-BOX) 102, a vehicle control module 103 and a multimedia module 104.

[0079] It should be noted that the rearview mirror freezing warning and ice breaking device 101 includes a door control module, a judgment module, a warning module and an ice breaking module, wherein the structural diagram of the rearview mirror freezing warning and ice breaking device 101 is as shown in FIG. Figure 2 shown.

[0080] Specifically, the door control module is used to obtain the operating status of the exterior rearview mirror, and then send the obtained operating status of the exterior rearview mirror to the judgment module. The door control module is also used to receive the abnormal signal sent by the warning module, and then send the abnormal signal to the vehicle control module 103, so that the vehicle control module 103 warns the user through the multimedia module 104, and controls the ice breaking module to start the ice breaking mode.

[0081] The judgment module is mainly used to receive the operating status of the exterior rearview mirror sent by the door control module to confirm whether the exterior rearview mirror is normal according to the operating status of the exterior rearview mirror. The judgment module is also used to detect whether the exterior rearview mirror is frozen when it is confirmed that the exterior rearview mirror is abnormal. If it is frozen, an abnormal signal is sent to the warning module.

[0082] The warning module is used to receive the abnormal signal sent by the judgment module and send a request signal to start the ice breaking mode to the door control module. The warning module is also used to send the abnormal signal to the door control module so that the door control module transmits the abnormal signal to the vehicle control module 103.

[0083] The ice-breaking module is used to break ice on the exterior rearview mirror.

[0084] The vehicle-mounted components (T-BOX) 102 are mainly used for in-vehicle audio and video entertainment and vehicle information display. The vehicle-mounted components 102 are also used to communicate with the background system or mobile phone APP to realize the vehicle information display and control of the mobile phone APP.

[0085] The vehicle control module 103 is used to receive the abnormal signal transmitted by the door control module, so as to control the multimedia module 104 to issue an alarm prompt to the user.

[0086] The multimedia module 104 is used to remind the user that the exterior rearview mirror is in a frozen state. The multimedia module 104 may include a speaker, an instrument, and a multimedia display screen.

[0087] Based on the vehicle system device provided above, the embodiment of the present application provides a method for treating freezing of an exterior rearview mirror, such as Figure 3 As shown, the following steps are included:

[0088] S301. Determine whether the exterior rearview mirror is in a first state level.

[0089] Specifically, when the vehicle is unlocked, the exterior rearview mirror will open automatically, or in normal power state, pressing the expansion switch of the exterior rearview mirror will open normally. However, in cold winter, the folding function of the exterior rearview mirror may freeze due to low temperature, which may cause the exterior rearview mirror to fail to unfold normally. Therefore, in this embodiment of the application, it is pre-determined whether the exterior rearview mirror is in the first state level, that is, it is detected whether the exterior rearview mirror can operate normally. If the exterior rearview mirror is in the first state level, it means that the exterior rearview mirror has failed to unfold normally and there may be a possibility of freezing. Therefore, step S302 needs to be executed at this time.

[0090] Optionally, if the exterior rearview mirror is not in the first state level, it means that the exterior rearview mirror can operate normally.

[0091] Optionally, in another embodiment of the present application, another specific implementation of step S301 is as follows: Figure 4 As shown, the following steps are included:

[0092] S401. Obtain an operating current value of an exterior rearview mirror.

[0093] It should be noted that when the exterior rearview mirror is driven, an operating current value will be generated. In order to know whether the exterior rearview mirror is operating normally, the system will pre-set a normal value range. As long as the operating current value generated when the exterior rearview mirror is operating is within this normal value range, it means that the exterior rearview mirror is operating normally. Therefore, when the exterior rearview mirror is started, the operating current value of the exterior rearview mirror needs to be obtained.

[0094] S402: Determine whether the operating current value of the exterior rearview mirror is within a normal value range of the operating current.

[0095] If the operating current value of the exterior rearview mirror is not within the normal value range of the operating current, it is determined that the exterior rearview mirror is in the first state level, that is, it is determined that the exterior rearview mirror is in an abnormal state.

[0096] Optionally, if it is determined that the operating current value of the exterior rearview mirror is within a normal value range of the operating current, it is determined that the exterior rearview mirror is in a normal state.

[0097] Optionally, in another embodiment of the present application, another specific implementation of step S301 is as follows: Figure 5 As shown, the following steps are included:

[0098] S501. Activate the folding function of the exterior rearview mirror.

[0099] S502: Detect whether the unfolded position of the exterior rearview mirror is at a designated position.

[0100] The designated position refers to the position where the exterior rearview mirror is fully deployed under normal conditions.

[0101] It should be noted that when the folding function of the exterior rearview mirror is activated, if the unfolded position of the exterior rearview mirror fails to reach the designated fully unfolded position, it can also be said that the exterior rearview mirror is in an abnormal state. Therefore, two or three seconds after activation, it is possible to detect whether the unfolded position of the exterior rearview mirror is in the designated position. Among them, if the unfolded position of the exterior rearview mirror is not in the designated position, it is determined that the exterior rearview mirror is in the first state level, that is, the exterior rearview mirror is in an abnormal state.

[0102] Optionally, if the deployed position of the exterior rearview mirror is at a specified position, it is determined that the exterior rearview mirror is in a normal state.

[0103] If the deployed position of the exterior rearview mirror is not at the designated position, it is determined that the exterior rearview mirror is at the first state level.

[0104] S302: Determine whether the exterior rearview mirror is in the second state level.

[0105] Specifically, considering that when the exterior rearview mirror is in the first state level, that is, in an abnormal state, the exterior rearview mirror may be in an abnormal state because the folding function is damaged or because the exterior rearview mirror is in a frozen state. Therefore, when the exterior rearview mirror is in an abnormal state, it is necessary to further detect the exterior rearview mirror, that is, to determine whether the exterior rearview mirror is in the second state level, that is, to detect whether the exterior rearview mirror is in a frozen state. If the exterior rearview mirror is in the second state level, it means that the exterior rearview mirror is in a frozen state, and step S303 needs to be executed at this time.

[0106] Optionally, if the exterior rearview mirror is not in the second state level, it means that the folding function of the exterior rearview mirror is abnormal and is not in a frozen state.

[0107] Optionally, in another embodiment of the present application, another specific implementation of step S302 is as follows: Figure 6 As shown, the following steps are included:

[0108] S601, obtaining the outside temperature.

[0109] Specifically, when the outside temperature is below minus degrees Celsius, the vehicle's exterior rearview mirrors may be frozen, which may affect the user's driving safety. Therefore, in order to indirectly know whether the exterior rearview mirrors are in a frozen state, the outside temperature can be obtained through a temperature sensor.

[0110] S602: Determine whether the external temperature is lower than a preset temperature.

[0111] If the outside temperature is lower than the preset temperature, it is determined that the exterior rearview mirror is in the second state level, that is, the exterior rearview mirror is in a frozen state. If the outside temperature is not lower than the preset temperature, it is determined that the folding function of the exterior rearview mirror may be abnormal.

[0112] Optionally, the preset temperature may be -5°C, or other temperature thresholds, which may be set specifically according to requirements.

[0113] S303: Adjust the output torque of the drive motor of the exterior rearview mirror, and call the drive motor to perform an ice-breaking operation according to the adjusted output torque.

[0114] It should be noted that when the exterior rearview mirror is not in the second state level, the ice-breaking module in the system will increase the operating force of the drive motor of the exterior rearview mirror, and call the drive motor to perform ice-breaking operations on the exterior rearview mirror according to the increased force and the pre-set ice-breaking movements and ice-breaking times, so that the drive motor can continuously and forcefully hit the ice position.

[0115] Optionally, before executing step S303, an alarm message may be sent to the user.

[0116] Among them, the warning information is used to remind the user that the exterior rearview mirror is in an abnormal state, and the exterior rearview mirror should be used after it is unfrozen.

[0117] Optionally, the method of sending the warning information to the user through the multimedia module may be voice warning, pattern warning, video warning or a combination thereof.

[0118] Optionally, after the ice-breaking operation is performed, it is necessary to detect whether the exterior rearview mirror can operate normally, so after step S303, the following steps are further included:

[0119] When it is detected that the driving motor has completed the ice-breaking operation, the exterior rearview mirror is driven to operate.

[0120] Specifically, considering that the driving motor has increased force and the pre-set ice-breaking movement and number of ice-breaking times, the exterior rearview mirror may still be in a frozen state after the ice-breaking operation is completed. Therefore, in order to know whether the exterior rearview mirror has successfully broken the ice after the ice-breaking operation, the exterior rearview mirror is driven again and then detected to see whether it is in a normal operating state.

[0121] Check whether the exterior rearview mirrors are in normal operation.

[0122] If the exterior rearview mirror is in normal operating condition, it is determined that the ice breaking is successful.

[0123] If the exterior rearview mirror is not in a normal operating state, the process returns to step S303 .

[0124] Optionally, in another embodiment of the present application, another specific implementation of step S303 is as follows: Figure 7 As shown, the following steps are included:

[0125] S701. Increase the output torque of the drive motor of the exterior rearview mirror.

[0126] It should be noted that when it is determined that the exterior rearview mirror is in a frozen state, the ice breaking module will increase the output torque of the drive motor of the exterior rearview mirror to increase the execution speed and strength of the drive motor of the exterior rearview mirror. Optionally, the operating strength of the drive motor can be increased by increasing the operating current of the exterior rearview mirror.

[0127] Taking into account the degree of ice, assuming that the degree of ice on the exterior rearview mirror is very small, the output torque of the drive motor of the exterior rearview mirror is increased to the maximum torque to break the ice at the beginning, and then the drive motor is operated too hard, which may cause damage to the drive motor. Therefore, in an embodiment of the present application, the output torque of the drive motor of the exterior rearview mirror is increased to the first level of torque.

[0128] S702, adjusting the movement frequency of the driving motor.

[0129] Specifically, when the exterior rearview mirror operates normally, the movement frequency of the drive motor may be once. In order to control the exterior rearview mirror to continuously hit the frozen position, the movement frequency of the drive motor needs to be adjusted so that the drive motor can move multiple times to make the ice fall.

[0130] S703: Based on the adjusted output torque and movement frequency, the drive motor is called to perform ice-breaking operation in a preset movement direction.

[0131] Optionally, the preset movement direction may be up-down-up-down. Of course, this is only one of the movement directions. Other movement directions may also be possible. The specific direction may be set according to requirements.

[0132] Specifically, after adjusting the movement frequency of the drive motor and increasing the force of the drive motor, the drive motor is controlled to perform ice breaking operations in a preset movement direction.

[0133] Optionally, after the ice breaking operations are performed in sequence, the ice may be intact. Therefore, in another embodiment of the present application, after step S703 is performed, Figure 8 As shown, it further includes the following steps:

[0134] S801: When it is detected that the exterior rearview mirror fails to break ice, the output torque of the drive motor is increased according to a preset multiple.

[0135] It should be noted that when it is detected that the exterior rearview mirror fails to break the ice, the exterior rearview mirror may be very iced, and increasing the operating force of the drive motor is not enough to break the ice for the exterior rearview mirror. Therefore, the ice-breaking module will increase the operating force of the drive motor to the second level according to a preset multiple based on the previous first level of torque.

[0136] S802: Determine whether the increased output torque of the driving motor is less than the maximum torque.

[0137] It should be noted that in order to prevent the driving force of the drive motor from being increased continuously, thereby damaging the drive motor and increasing the user's maintenance cost, a critical value is set for the output torque of the drive motor. Therefore, if it is determined that the output torque of the drive motor after the increase is less than the maximum torque, it means that the drive motor can continue to perform the ice-breaking operation according to the output torque after the increase, that is, execute step S803. If it is determined that the output torque of the drive motor after the increase is not less than the maximum torque, it means that the output torque of the drive motor has reached the critical value at this time. If it continues to increase, it will greatly damage the drive motor. Therefore, it is necessary to stop increasing the output torque and start the self-heating mode to break the ice together with the drive motor, that is, execute step S804.

[0138] S803: According to the movement frequency and the increased output torque, the drive motor is called to perform ice-breaking operation in a preset movement direction.

[0139] It should be noted that the specific implementation of step S803 may refer to step S703 in the above method embodiment, and will not be described in detail here.

[0140] S804: Heat the exterior rearview mirror and, based on the maximum torque and the movement frequency, call the drive motor to perform ice-breaking operations in a preset movement direction.

[0141] Specifically, when the increased output torque of the drive motor is not less than the maximum torque, the ice-breaking module will start the self-heating mode, that is, heat the exterior rearview mirror. At the same time, according to the maximum torque and movement frequency, the drive motor will be called to cooperate in the preset movement direction to perform the ice-breaking operation.

[0142] The present application provides a method for handling ice freezing of an exterior rearview mirror, which determines whether the exterior rearview mirror is in a first state level. If the exterior rearview mirror is in the first state level, it determines whether the exterior rearview mirror is in a second state level. If the exterior rearview mirror is in the second state level, it adjusts the output torque of the drive motor of the exterior rearview mirror, and calls the drive motor to perform ice breaking operation according to the adjusted output torque. Thus, by performing ice failure detection on the exterior rearview mirror, it is ensured that when the exterior rearview mirror is in a frozen state, an alarm message can be sent to the user, and the exterior rearview mirror can be automatically broken until it is determined that the exterior rearview mirror is successfully broken, thereby effectively solving the ice breaking problem of the exterior rearview mirror, and also effectively solving the safety problem of traffic accidents caused by exterior rearview mirror failure.

[0143] Another embodiment of the present application provides a freezing treatment device for an exterior rearview mirror, such as Fig. 9 As shown, it includes the following units:

[0144] The first judging unit 901 is used to judge whether the exterior rearview mirror is in a first state level.

[0145] The second judgment unit 902 is used to judge whether the exterior rearview mirror is in a second state level if the exterior rearview mirror is in a first state level.

[0146] The adjustment unit 903 is used to adjust the output torque of the drive motor of the exterior rearview mirror if the exterior rearview mirror is in the second state level, and call the drive motor to perform the ice-breaking operation according to the adjusted output torque.

[0147] It should be noted that the specific working process of the above-mentioned units in the embodiment of the present application can refer to steps S301 to S303 in the above-mentioned method embodiment, and will not be repeated here.

[0148] Optionally, in another embodiment of the present application, in a freezing treatment device for an exterior rearview mirror, the adjustment unit 903 includes:

[0149] The first increasing unit is used to increase the output torque of the driving motor of the exterior rearview mirror.

[0150] The adjustment unit is used to adjust the movement frequency of the drive motor.

[0151] The first calling unit is used to call the driving motor to perform ice-breaking operation in a preset movement direction according to the adjusted output torque and movement frequency.

[0152] Optionally, another embodiment of the present application provides a freezing treatment device for an exterior rearview mirror, further comprising:

[0153] The second increasing unit is used to increase the output torque of the driving motor according to a preset multiple when it is detected that the exterior rearview mirror fails to break ice.

[0154] The torque judgment unit is used to judge whether the increased output torque of the driving motor is less than the maximum torque.

[0155] The second calling unit is used to call the driving motor to perform an ice-breaking operation in a preset movement direction according to the movement frequency and the increased output torque if the increased output torque of the driving motor is less than the maximum torque.

[0156] The heating unit is used to heat the exterior rearview mirror if the increased output torque of the drive motor is not less than the maximum torque, and to call the drive motor to perform ice-breaking operations in a preset movement direction according to the maximum torque and the movement frequency.

[0157] Optionally, in a freezing treatment device for an exterior rearview mirror provided in another embodiment of the present application, the first judgment unit 901 includes:

[0158] The acquisition unit is used to acquire the operating current value of the exterior rearview mirror.

[0159] The range judgment unit is used to judge whether the operating current value of the exterior rearview mirror is within the normal value range of the operating current. If the operating current value of the exterior rearview mirror is not within the normal value range of the operating current, it is determined that the exterior rearview mirror is in the first state level.

[0160] Optionally, in a freezing treatment device for an exterior rearview mirror provided in another embodiment of the present application, the first judgment unit 901 includes:

[0161] Starter unit, used to start the folding function of the exterior mirrors.

[0162] The position detection unit is used to detect whether the unfolded position of the exterior rearview mirror is at a specified position.

[0163] The designated position refers to the position where the exterior rearview mirror is deployed in place under a normal state. If the deployed position of the exterior rearview mirror is not at the designated position, it is determined that the exterior rearview mirror is in the first state level.

[0164] Optionally, in a freezing treatment device for an exterior rearview mirror provided in another embodiment of the present application, the second judgment unit 902 includes:

[0165] The temperature acquisition unit is used to acquire the outside temperature.

[0166] The temperature judgment unit is used to judge whether the outside temperature is lower than a preset temperature. If the outside temperature is lower than the preset temperature, it is determined that the outside rearview mirror is in the second state level.

[0167] Optionally, another embodiment of the present application provides a freezing treatment device for an exterior rearview mirror, further comprising:

[0168] The drive unit is used to drive the exterior rearview mirror to operate when it is detected that the drive motor has completed the ice-breaking operation.

[0169] The status monitoring unit is used to detect whether the exterior rearview mirror is in normal operation.

[0170] The determination unit is used to determine that ice breaking is successful if the exterior rearview mirror is in a normal operating state.

[0171] The execution unit is used to return to the output torque of the drive motor for adjusting the exterior rearview mirror if the exterior rearview mirror is not in a normal operating state, and call the drive motor to perform an ice-breaking operation according to the adjusted output torque.

[0172] The embodiment of the present application also provides an electronic device, including: a processor and a memory, the processor and the memory are connected via a communication bus. The processor is used to call and execute a program stored in the memory. The memory is used to store a program, and the program is used to implement a control method for breaking ice of an exterior rearview mirror as provided in the embodiment of the present application.

[0173] An embodiment of the present application also provides a vehicle, which includes the electronic device mentioned above.

[0174] In summary, the embodiment of the present application provides an ice processing device for an exterior rearview mirror, which detects the abnormal state of the exterior rearview mirror to determine that when the exterior rearview mirror is detected to be in a frozen state, an ice-breaking operation is performed on the exterior rearview mirror until the ice is broken successfully, thereby effectively solving the problem that the exterior rearview mirror cannot be successfully broken.

[0175] Professionals may further appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in the above description according to function. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professionals and technicians may use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0176] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A method for freezing an exterior rearview mirror, characterized in that: include: Determining whether the exterior rearview mirror is in a first state level; If the exterior rearview mirror is in the first state level, determining whether the exterior rearview mirror is in the second state level; If the exterior rearview mirror is in the second state level, the output torque of the drive motor of the exterior rearview mirror is adjusted, and the drive motor is called to perform the ice-breaking operation according to the adjusted output torque.

2. The method according to claim 1, characterized in that The step of adjusting the output torque of the drive motor of the exterior rearview mirror and calling the drive motor to perform the ice-breaking operation according to the adjusted output torque includes: Increasing the output torque of the drive motor of the exterior rearview mirror; Adjusting the movement frequency of the drive motor; According to the adjusted output torque and movement frequency, the drive motor is called to perform ice-breaking operation in a preset movement direction.

3. The method according to claim 2, characterized in that After calling the drive motor to perform the ice-breaking operation in a preset movement direction according to the adjusted output torque and movement frequency, the method further includes: When it is detected that the exterior rearview mirror fails to break ice, the output torque of the drive motor is increased according to a preset multiple; Determining whether the increased output torque of the drive motor is less than the maximum torque; If the increased output torque of the driving motor is less than the maximum torque, calling the driving motor to perform the ice-breaking operation in a preset movement direction according to the movement frequency and the increased output torque; If the increased output torque of the driving motor is not less than the maximum torque, the exterior rearview mirror is heated, and based on the maximum torque and the movement frequency, the driving motor is called to perform an ice-breaking operation in a preset movement direction.

4. The method according to claim 1, characterized in that: The determining whether the exterior rearview mirror is in the first state level includes: Get the operating current value of the exterior rearview mirror; Determine whether the operating current value of the exterior rearview mirror is within the normal value range of the operating current; wherein, if the operating current value of the exterior rearview mirror is not within the normal value range of the operating current, determine that the exterior rearview mirror is in the first state level.

5. The method according to claim 1, characterized in that: The determining whether the exterior rearview mirror is in the first state level includes: Activate the folding function of the exterior mirrors; Detecting whether the unfolded position of the exterior rearview mirror is at a designated position; wherein, if the unfolded position of the exterior rearview mirror is not at the designated position, determining that the exterior rearview mirror is at a first state level.

6. The method according to claim 1, characterized in that The determining whether the exterior rearview mirror is in the second state level includes: Get the outside temperature; Determine whether the outside temperature is lower than a preset temperature; if the outside temperature is lower than the preset temperature, determine that the outside rearview mirror is in a second state level.

7. The method according to claim 1, characterized in that After adjusting the output torque of the drive motor of the exterior rearview mirror and calling the drive motor to perform the ice-breaking operation according to the adjusted output torque, the method further includes: When it is detected that the driving motor has completed the ice-breaking operation, the exterior rearview mirror is driven to operate; Detecting whether the exterior rearview mirror is in normal operating state; If the exterior rearview mirror is in a normal operating state, it is determined that ice breaking is successful; If the exterior rearview mirror is not in a normal operating state, the process returns to the step of adjusting the output torque of the drive motor of the exterior rearview mirror, and calls the drive motor to perform an ice-breaking operation according to the adjusted output torque.

8. A freezing treatment device for an exterior rearview mirror, characterized in that: include: a first judging unit, used to judge whether the exterior rearview mirror is in a first state level; a second judging unit, configured to judge whether the exterior rearview mirror is in a second state level if the exterior rearview mirror is in the first state level; The regulating unit is used to regulate the output torque of the driving motor of the exterior rearview mirror if the exterior rearview mirror is in the second state level, and to call the driving motor to perform an ice-breaking operation according to the regulated output torque.

9. An electronic device, characterized in that: include: A processor and a memory, wherein the processor and the memory are connected via a communication bus; wherein the processor is used to call and execute a program stored in the memory; The memory is used to store a program, and the program is used to implement a control method for breaking ice of an exterior rearview mirror as described in any one of claims 1 to 7.

10. A vehicle, characterized in that: The vehicle includes the electronic device according to claim 9.

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