Vehicle-mounted wireless charging foreign object alarm method, device, vehicle and computer-readable storage medium

Abstract

The present invention provides a vehicle-mounted wireless charging foreign object alarm method, device, vehicle and computer-readable storage medium, the method comprising: obtaining the current state of the vehicle-mounted wireless charging device, the current state including the charging state and the standby state; based on the current state, determining the detection object for the foreign object detection; detecting whether the detection object exists within a preset range; and executing an alarm prompt when the detection result of the detection object is a preset result. By judging the current state of the vehicle-mounted wireless charging and executing the corresponding foreign object detection strategy, the alarm prompt is executed only when the detection result is a preset result, and the alarm prompt may not be executed in other cases, which can reduce energy consumption. For example, when there are both a device to be charged and a metal foreign object within the preset range, the alarm prompt is executed, which can avoid the wireless charging device in the standby state from frequently alarming due to the presence of foreign objects, thereby reducing vehicle energy consumption and improving user experience.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of automobile engineering technology, and in particular to a vehicle-mounted wireless charging foreign object alarm method, device, and vehicle computer readable storage medium. Background Art

[0002] During the wireless charging process, if there is a metal object between the primary coil at the transmitting end and the secondary coil at the receiving end of the wireless charging device, the alternating magnetic field will generate eddy currents in the metal, causing energy loss and thus causing heat. Therefore, it is necessary to detect metal foreign objects and alarm the wireless charging device to prompt the user to remove the metal foreign objects.

[0003] In the related art, an alarm is triggered when a metal foreign object is detected on the wireless charging device. In practice, if the metal foreign object is not removed, the alarm is triggered frequently, resulting in a high energy consumption problem. Summary of the invention

[0004] The present invention provides a vehicle-mounted wireless charging foreign object alarm method, device, electronic equipment and computer-readable storage medium to solve the problem of frequent alarms when metal foreign objects exist in the vehicle-mounted wireless charging area.

[0005] In order to solve the above problems, in a first aspect, an embodiment of the present invention provides a vehicle-mounted wireless charging foreign object alarm method, the method comprising:

[0006] Acquire the current state of the vehicle-mounted wireless charging device, where the current state includes a charging state and a standby state;

[0007] Based on the current state, determining a detection object for foreign body detection;

[0008] Detecting whether the detection object exists within a preset range;

[0009] When the detection result of the detection object is a preset result, an alarm prompt is executed.

[0010] Optionally, determining a detection object for foreign object detection based on the current state includes:

[0011] In the charging state, determining that the detection object is a metal foreign body;

[0012] In the standby state, it is determined that the detection object includes the metal foreign matter and the device to be charged.

[0013] Optionally, in the case where the detection object includes a metal foreign body, the detecting whether the detection object exists within a preset range includes:

[0014] Detect the quality factor Q value of the transmitter of the wireless charging device;

[0015] If the Q value decreases and is less than a preset threshold, it is determined that there is a metal foreign body within the preset range.

[0016] Optionally, in the case where the detection object includes a device to be charged, the detecting whether the detection object exists within a preset range includes:

[0017] Detect whether the electromagnetic carrier signal returned by the device to be charged is received;

[0018] If the electromagnetic carrier signal returned by the device to be charged is detected, it is determined that there is a device to be charged within the preset range.

[0019] Optionally, when the detection result of the detection object is a preset result, executing an alarm prompt includes:

[0020] When it is determined that the detection result shows that various determined detection objects exist simultaneously within the preset range, an alarm prompt is initiated.

[0021] Optionally, the method further comprises:

[0022] When the detection result of the detection object is not the preset result, no alarm prompt is performed;

[0023] and / or,

[0024] When the detection result of the detection object is that the device to be charged exists but no foreign matter exists, wireless charging of the device to be charged is performed.

[0025] Optionally, the initiating an alarm prompt includes:

[0026] The multimedia host HUT provides text and / or audio alarm prompts.

[0027] In a second aspect, an embodiment of the present invention provides a vehicle-mounted wireless charging foreign object alarm device, the device comprising:

[0028] The device comprises:

[0029] An acquisition module, used to acquire the current state of the vehicle-mounted wireless charging device, wherein the current state includes a charging state and a standby state;

[0030] A determination module, used to determine a detection object for foreign body detection based on the current state;

[0031] A detection module, used to detect whether the detection object exists within a preset range;

[0032] The execution module is used to execute an alarm prompt when the detection result of the detection object is a preset result.

[0033] In a third aspect, an embodiment of the present invention further provides a vehicle, wherein the vehicle is provided with a control system, and the control system is used to implement the vehicle-mounted wireless charging foreign object alarm method proposed in an embodiment of the present invention.

[0034] In a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium having a computer program stored thereon, and when the program is executed by a processor, the steps of the vehicle-mounted wireless charging foreign object alarm method proposed in an embodiment of the present invention are performed.

[0035] In an embodiment of the present invention, the detection object targeted by the foreign object detection is determined by acquiring the current state of the vehicle-mounted wireless charging; detecting whether the detection object exists within a preset range; and executing an alarm prompt when the detection result of the detection object is a preset result. In an embodiment of the present invention, the corresponding foreign object detection strategy is executed by judging the current state of the vehicle-mounted wireless charging. The alarm prompt is executed only when the detection result is a preset result, and the alarm prompt may not be executed in other cases, which can reduce energy consumption. For example, when there are both a device to be charged and a metal foreign object within the preset range, the alarm prompt is executed, which can avoid the wireless charging device in the standby state from frequently alarming due to the presence of foreign objects, thereby reducing vehicle energy consumption and improving user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments or related technical descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0037] Figure 1 This is a flow chart of a vehicle-mounted wireless charging foreign object alarm method provided by an embodiment of the present invention;

[0038] Figure 2 This is a flow chart of a vehicle-mounted wireless charging foreign object alarm method provided by an embodiment of the present invention;

[0039] Figure 3 The present invention is a schematic structural diagram of a vehicle-mounted wireless charging foreign object alarm device provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] A flow chart of a vehicle-mounted wireless charging foreign object alarm method proposed in an embodiment of the present invention is as follows: Figure 1 As shown, the vehicle-mounted wireless charging foreign object alarm method includes:

[0042] Step S110, obtaining the current state of the vehicle-mounted wireless charging device, where the current state includes a charging state and a standby state.

[0043] In this embodiment, the vehicle-mounted wireless charging device mainly includes three states: off state, charging state, and standby state. Among them, when the vehicle-mounted wireless charging device is successfully connected to the wireless charging mobile phone, the vehicle-mounted wireless charging device is in the charging state, and when the vehicle-mounted wireless charging device is powered on but not connected to the device to be charged, the vehicle-mounted wireless charging device is in the standby state.

[0044] When the vehicle-mounted wireless charging device is in a charging state or a standby state, it is necessary to perform foreign object detection on the vehicle-mounted wireless charging device.

[0045] Step S120: determining a detection object for foreign matter detection based on the current state.

[0046] In this embodiment, different foreign object detection strategies can be executed based on different states of the vehicle-mounted wireless charging device. In this application, different foreign object detection strategies are targeted at different detection objects.

[0047] Specifically, when the vehicle-mounted wireless charging device is in the standby state, the detection objects can be the device to be charged and the metal foreign object, so as to determine whether there is a device to be charged that needs to be charged and whether there is an impact of the metal foreign object. When the vehicle-mounted wireless charging device is in the charging state, since the vehicle-mounted wireless charging device is already connected to the device to be charged, it is not necessary to detect whether there is a device to be charged, but only detect whether there is a metal foreign object, so as to avoid the impact of the metal foreign object on the wireless charging process.

[0048] In this embodiment, corresponding detection methods may also be used for different detection objects.

[0049] Step S130, detecting whether the detection object exists within a preset range.

[0050] In practice, the preset range may be the charging area of ​​the wireless charging device, so that it is possible to detect whether there is a metal foreign object in the charging area of ​​the wireless charging device, and whether there is a device to be charged.

[0051] In this embodiment, any feasible method in the prior art may be used to implement metal foreign body detection, such as a Q value detection method, an infrared detection method, etc., and the present invention does not specifically limit this.

[0052] In this embodiment, any feasible method in the prior art may be used to implement the detection of the device to be charged, and the present invention does not specifically limit this.

[0053] Step S140, when the detection result of the detection object is a preset result, an alarm prompt is executed.

[0054] In this embodiment, the preset result may specifically include: there is a metal foreign object within a preset range, and there is a device to be charged.

[0055] If the detection result is the preset result, an alarm prompt is executed to remind the user that the presence of metal foreign matter will affect wireless charging.

[0056] If the detection result is not the preset result, including: no metal foreign object is found in charging mode, or a metal foreign object is detected in standby mode but no mobile phone to be charged is detected, no alarm prompt is executed.

[0057] Therefore, in the embodiment of the present invention, the alarm prompt is executed only when there are both the device to be charged and the metal foreign object within the preset range.

[0058] In an embodiment of the present invention, the detection object targeted by the foreign object detection is determined by acquiring the current state of the vehicle-mounted wireless charging; detecting whether the detection object exists within a preset range; and executing an alarm prompt when the detection result of the detection object is a preset result. In an embodiment of the present invention, the corresponding foreign object detection strategy is executed by judging the current state of the vehicle-mounted wireless charging. The alarm prompt is executed only when the detection result is a preset result, and the alarm prompt may not be executed in other cases, which can reduce energy consumption. For example, when there are both a device to be charged and a metal foreign object within the preset range, the alarm prompt is executed, which can avoid the wireless charging device in the standby state from frequently alarming due to the presence of foreign objects, thereby reducing vehicle energy consumption and improving user experience.

[0059] Another vehicle-mounted wireless charging foreign object alarm method flow chart proposed in an embodiment of the present invention is as follows: Figure 2 The vehicle-mounted wireless charging foreign object alarm method comprises:

[0060] Step S210, obtaining the current state of the vehicle-mounted wireless charging device, where the current state includes a charging state and a standby state.

[0061] This step is similar to the above step S110 and will not be described again here.

[0062] Step S220: determining a detection object for foreign matter detection based on the current state.

[0063] In this embodiment, different foreign object detection strategies can be implemented based on different states of the vehicle-mounted wireless charging device. In this application, different foreign object detection strategies are targeted at different detection objects.

[0064] In this embodiment, step S220 may specifically include: in the charging state, determining that the detection object is a metal foreign object; in the standby state, determining that the detection object includes the metal foreign object and the device to be charged.

[0065] Specifically, when the vehicle-mounted wireless charging device is in the standby state, the detection objects can be the device to be charged and the metal foreign object, so as to determine whether there is a device to be charged that needs to be charged and whether there is an impact of the metal foreign object. When the vehicle-mounted wireless charging device is in the charging state, since the vehicle-mounted wireless charging device is already connected to the device to be charged, it is not necessary to detect whether there is a device to be charged, but only detect whether there is a metal foreign object, so as to avoid the impact of the metal foreign object on the wireless charging process.

[0066] Step S230, detecting the quality factor Q value of the transmitter of the wireless charging device; if the Q value decreases and is less than a preset threshold, it is determined that there is a metal foreign object within the preset range.

[0067] In this embodiment, the Q value detection method is used to determine whether there is a metal foreign body within the preset range. When the Q value decreases and the Q value is less than the preset threshold, it indicates that there is a metal foreign body within the preset range, and a detection result of the presence of a metal foreign body is obtained. The preset threshold is preset in advance by the technician.

[0068] Step S240, detecting whether an electromagnetic carrier signal returned by the device to be charged is received; if an electromagnetic carrier signal returned by the device to be charged is detected, it is determined that there is a device to be charged within a preset range.

[0069] In this embodiment, the vehicle-mounted wireless charging device can send a signal to the wireless charging device within the preset range to detect whether there is a device to be charged. After receiving the signal sent by the vehicle-mounted wireless charging device, the device to be charged returns an electromagnetic carrier signal to respond to the signal sent by the vehicle-mounted wireless charging device. The response signal returned by the device to be charged can carry relevant information such as the device model, manufacturer ID, and device ID of the device to be charged. The vehicle-mounted wireless charging device determines whether there is an adapted device to be charged within the preset range based on the response signal returned by the device to be charged, and obtains the corresponding detection result.

[0070] In this embodiment, the vehicle-mounted wireless charging device can also determine whether a connection can be established with the device to be charged based on the electromagnetic carrier signal returned by the device to be charged. If the vehicle-mounted wireless charging device is compatible with the device to be charged, a connection is established with the device to be charged and the device is charged.

[0071] Step S250, when it is determined that the detection result shows that each determined detection object exists within the preset range at the same time, an alarm prompt is initiated.

[0072] In this embodiment, when it is determined that there are both a device to be charged and a metal foreign object in the charging area of ​​the vehicle-mounted wireless charging device, an alarm prompt needs to be initiated to prevent the metal foreign object from affecting the wireless charging process.

[0073] In this embodiment, any feasible alarm prompt method in the prior art may be used to initiate an alarm prompt, and the present invention does not impose any special limitation on this.

[0074] In an optional implementation, the initiating an alarm prompt may include: providing a text and / or sound alarm prompt via a multimedia host HUT.

[0075] In another optional implementation, the initiating an alarm prompt may also include: providing a text and / or audio alarm prompt to the driver and passengers via the vehicle dashboard.

[0076] In this embodiment, the text prompt may be a preset text prompt or a text prompt determined in real time according to actual conditions, and the sound prompt may be a specific prompt tone or a preset voice prompt.

[0077] Step S260, when the detection result of the detection object is not the preset result, no alarm prompt is performed; and / or, when the detection result of the detection object is that there is a device to be charged but no foreign matter is present, wireless charging of the device to be charged is performed.

[0078] In this embodiment, when the detection result is not the preset result, the alarm prompt is not executed. In addition, when it is detected that there is a device to be charged but no foreign objects within the preset range, specifically: the Q value is greater than or equal to the preset value, and the device to be charged is compatible with the vehicle-mounted wireless charging device. In this case, a connection between the device to be charged and the vehicle-mounted wireless charging device can be established to wirelessly charge the device to be charged.

[0079] In the embodiment of the present invention, the detection object for foreign object detection is determined by obtaining the current state of the vehicle-mounted wireless charging; whether the detection object exists within a preset range is detected; and when the detection result of the detection object is a preset result, an alarm prompt is executed. In the embodiment of the present invention, the corresponding foreign object detection strategy is executed by judging the current state of the vehicle-mounted wireless charging. The alarm prompt is executed only when the detection result is a preset result, and the alarm prompt may not be executed in other cases, thereby avoiding frequent alarms of the wireless charging device in the standby state due to the presence of foreign objects, thereby reducing vehicle energy consumption and improving user experience.

[0080] In this embodiment, when the vehicle-mounted wireless charging device is in standby mode and there is no device to be charged, even if there is a foreign object in the charging area of ​​the vehicle-mounted wireless charging device, it will not cause a foreign object alarm. Only when there is both a device to be charged and a metal foreign object in the charging area of ​​the vehicle-mounted wireless charging device, an alarm prompt will be executed. This avoids frequent alarms caused by the presence of metal foreign objects when the vehicle-mounted wireless charging device is in standby mode.

[0081] The embodiment of the present invention also provides a vehicle-mounted wireless charging foreign object alarm device. Figure 3 FIG. 1 is a schematic diagram of a vehicle-mounted wireless charging foreign object alarm device according to an embodiment of the present invention. Figure 3 The vehicle-mounted wireless charging foreign object alarm device 300 provided by the present invention includes:

[0082] An acquisition module 301 is used to acquire a current state of the vehicle-mounted wireless charging device, where the current state includes a charging state and a standby state;

[0083] A determination module 302 is used to determine a detection object for foreign body detection based on the current state;

[0084] A detection module 303 is used to detect whether the detection object exists within a preset range;

[0085] The execution module 304 is used to execute an alarm prompt when the detection result of the detection object is a preset result.

[0086] Optionally, the determining module 302 includes:

[0087] A first determination submodule, used for determining that the detection object is a metal foreign body in the charging state;

[0088] The second determining submodule is used to determine, in the standby state, that the detection object includes the metal foreign matter and the device to be charged.

[0089] Optionally, the detection module 303 includes:

[0090] A first detection submodule, used to detect the quality factor Q value of the transmitting end of the wireless charging device;

[0091] The first determination submodule is used to determine that there is a metal foreign body within a preset range if the Q value decreases and is less than a preset threshold.

[0092] Optionally, the detection module 303 includes:

[0093] The second detection submodule is used to detect whether the electromagnetic carrier signal returned by the device to be charged is received;

[0094] The second determination submodule is used to determine that there is a device to be charged within a preset range if an electromagnetic carrier signal returned by the device to be charged is detected.

[0095] Optionally, the execution module 304 includes:

[0096] The prompt initiation submodule is used to initiate an alarm prompt when it is determined that the detection result shows that various determined detection objects exist simultaneously within the preset range.

[0097] Optionally, the device further comprises:

[0098] A determination not to execute module, used for not executing an alarm prompt when the detection result of the detection object is not the preset result;

[0099] and / or,

[0100] The charging module is used to perform wireless charging of the device to be charged when the detection result of the detection object is that the device to be charged exists but no foreign matter exists.

[0101] Optionally, the execution module 304 includes:

[0102] Alarm prompt submodule, used for text and / or sound alarm prompts through the multimedia host HUT

[0103] As for the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0104] Correspondingly, the present invention also proposes a vehicle, on which a control system is configured, and the control system is used to implement the vehicle-mounted wireless charging foreign object alarm method proposed in an embodiment of the present invention.

[0105] The present invention also proposes a computer-readable storage medium on which a computer program is stored. When the program is executed by a processor, the steps of the vehicle-mounted wireless charging foreign object alarm method as described in the embodiment of the present invention are implemented, and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.

[0106] Each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0107] The above is a detailed introduction to the vehicle-mounted wireless charging foreign object alarm method, device, vehicle and computer-readable storage medium provided by the present invention. Specific examples are used in this article to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea; at the same time, for general technicians in this field, according to the idea of ​​the present invention, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A vehicle-mounted wireless charging foreign object alarm method, characterized in that: The method comprises: Acquire the current state of the vehicle-mounted wireless charging device, where the current state includes a charging state and a standby state; when the vehicle-mounted wireless charging device is powered on but not connected to the device to be charged, the vehicle-mounted wireless charging device is in the standby state; Based on the current state, determining a detection object for foreign body detection; Detecting whether the detection object exists within a preset range; When the detection result of the detection object is a preset result, an alarm is issued; The step of determining the detection object for foreign body detection based on the current state includes: In the charging state, determining that the detection object is a metal foreign body; In the standby state, determining that the detection object includes the metal foreign matter and the device to be charged, determining whether there is a device to be charged that needs to be charged, and whether there is an impact of the metal foreign matter; When the detection result of the detection object is a preset result, an alarm prompt is executed, including: When it is determined that the detection result shows that various determined detection objects exist simultaneously within the preset range, an alarm prompt is initiated.

2. The method according to claim 1, characterized in that: In the case where the detection object includes a metal foreign body, the detecting whether the detection object exists within a preset range includes: Detect the quality factor Q value of the transmitter of the wireless charging device; If the Q value decreases and is less than a preset threshold, it is determined that there is a metal foreign body within the preset range.

3. The method according to claim 1, characterized in that In the case where the detection object includes a device to be charged, the detecting whether the detection object is within a preset range includes: Detect whether the electromagnetic carrier signal returned by the device to be charged is received; If the electromagnetic carrier signal returned by the device to be charged is detected, it is determined that there is a device to be charged within the preset range.

4. The method according to claim 1, characterized in that The method further comprises: When the detection result of the detection object is not the preset result, no alarm prompt is performed; and / or, When the detection result of the detection object is that the device to be charged exists but no foreign matter exists, wireless charging of the device to be charged is performed.

5. The method according to claim 1, characterized in that: The initiating alarm prompt comprises: The multimedia host HUT provides text and / or audio alarm prompts.

6. A vehicle-mounted wireless charging foreign object alarm device, characterized in that: The device comprises: An acquisition module is used to acquire the current state of the vehicle-mounted wireless charging device, wherein the current state includes a charging state and a standby state; when the vehicle-mounted wireless charging device is powered on but not connected to a device to be charged, the vehicle-mounted wireless charging device is in a standby state; A determination module, used to determine a detection object for foreign body detection based on the current state; A detection module, used to detect whether the detection object exists within a preset range; An execution module, used for executing an alarm prompt when the detection result of the detection object is a preset result; The determining module comprises: A first determination submodule, used for determining that the detection object is a metal foreign body in the charging state; A second determination submodule is used to determine, in the standby state, that the detection object includes the metal foreign matter and the device to be charged, whether there is a device to be charged that needs to be charged, and whether there is an impact of the metal foreign matter; The execution module includes: The prompt initiation submodule is used to initiate an alarm prompt when it is determined that the detection result shows that various determined detection objects exist simultaneously within the preset range.

7. A vehicle, characterized in that: The vehicle is equipped with a control system, and the control system is used to implement the steps of the method described in any one of claims 1 to 5.

8. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the steps of the vehicle-mounted wireless charging foreign object alarm method described in any one of claims 1 to 5 are implemented.

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