Fall protection method, apparatus and storage medium for foldable device

Abstract

The present disclosure relates to a fall protection method and device for a foldable device and a storage medium. The method comprises: determining whether the foldable device is currently in a first state; in response to the foldable device being currently in the first state, obtaining acceleration data of the foldable device; based on the acceleration data, detecting whether the foldable device is in a falling state; and in response to the foldable device being in the falling state, controlling a fall protection mechanism of the foldable device to work to convert the foldable device from the first state to a second state, so as to protect a flexible display screen of the foldable device. Through the technical solution of the present disclosure, when it is detected that the foldable device is unfolded and in a falling state, the fall protection mechanism of the foldable device is controlled to convert the foldable device from an unfolded state to an intermediate state, thereby protecting the flexible display screen of the foldable device.

Description

Technical Field

[0001] This disclosure relates to the field of electronic technology, and in particular to a method, apparatus and storage medium for drop protection of a foldable device. Background Technology

[0002] With the development of electronic technology, foldable devices that offer a larger display area and better portability are increasingly sought after by manufacturers and consumers. However, the flexible display screens of foldable devices are more fragile than traditional display screens and are more likely to be damaged when dropped. Summary of the Invention

[0003] To overcome the problems existing in related technologies, this disclosure provides a drop protection method, device and storage medium for foldable devices.

[0004] According to a first aspect of the present disclosure, a drop protection method for a foldable device is provided, comprising: determining whether the foldable device is currently in a first state; in response to the foldable device being in the first state, acquiring acceleration data of the foldable device; based on the acceleration data, detecting whether the foldable device is in a drop state; and in response to the foldable device being in a drop state, controlling a drop protection mechanism of the foldable device to operate to convert the foldable device from the first state to a second state, thereby protecting the flexible display screen of the foldable device.

[0005] In one implementation, the drop protection mechanism includes a motor and a chain that spans the pivot of the foldable device; controlling the drop protection mechanism of the foldable device to operate to change the foldable device from a first state to a second state includes: controlling the motor to drive the chain to extend so that the chain drives the housing of the foldable device to rotate about the pivot to change the foldable device from the first state to the second state.

[0006] In one alternative implementation, the first end and the second end of the chain are located on opposite sides of the pivot of the foldable device, the first end being connected to the rear shell of the foldable device, and the second end being connected to the motor.

[0007] In one optional implementation, controlling the motor to drive the chain to extend so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state includes: obtaining a target closure angle corresponding to the second state; determining a target extension length of the chain based on the target closure angle; and controlling the motor to drive the chain to extend to the target extension length so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0008] In an alternative implementation, the method further includes: controlling the motor to enter a free state when the closing angle of the foldable device reaches a preset angle during the process of controlling the motor to drive the chain to extend.

[0009] In one implementation, the drop protection mechanism is a protective shell for the foldable device, wherein the protective shell includes a first part and a second part, and further includes a power supply module, an electromagnetic coil, and a magnetic material component; controlling the drop protection mechanism of the foldable device to operate and convert the foldable device from the first state to the second state includes: controlling the power supply module to supply power to the electromagnetic coil to generate magnetic force, using the magnetic force to interact with the magnetic material component to separate the first part from the second part, thereby causing the shell of the foldable device to rotate around the pivot to convert the foldable device from the first state to the second state.

[0010] In one optional implementation, the protective shell further includes a Hall sensor; determining whether the foldable device is currently in a first state includes: detecting the opening / closing state of the foldable device based on the Hall sensor; and determining whether the foldable device is currently in a first state based on the detected opening / closing state of the foldable device.

[0011] Optionally, the protective shell further includes an acceleration sensor; acquiring the acceleration data of the foldable device includes: acquiring the acceleration data of the foldable device based on the acceleration sensor.

[0012] According to a second aspect of the present disclosure, a drop protection device for a foldable device is provided, comprising: a determining module, configured to determine whether the foldable device is currently in a first state; an acquiring module, configured to acquire acceleration data of the foldable device in response to the foldable device being in the first state; a detecting module, configured to detect whether the foldable device is in a drop state based on the acceleration data; and a first control module, configured to control the drop protection mechanism of the foldable device to operate in response to the foldable device being in a drop state to change the foldable device from the first state to a second state, thereby protecting the flexible display screen of the foldable device.

[0013] In one implementation, the drop protection mechanism includes a motor and a chain that spans the pivot of the foldable device; the first control module is specifically configured to: control the motor to drive the chain to extend, so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0014] In one alternative implementation, the first end and the second end of the chain are located on opposite sides of the pivot of the foldable device, the first end being connected to the rear shell of the foldable device, and the second end being connected to the motor.

[0015] Optionally, the first control module is specifically used to: obtain a target closure angle corresponding to the second state; determine a target extension length of the chain based on the target closure angle; control the motor to drive the chain to extend to the target extension length, so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0016] Optionally, the device further includes a second control module, used to control the motor to enter a free state when the closing angle of the foldable device reaches a preset angle during the process of controlling the motor to drive the chain to extend.

[0017] In one implementation, the drop protection mechanism is a protective shell for the foldable device, wherein the protective shell includes a first part and a second part, and further includes a power supply module, an electromagnetic coil, and a magnetic material component; the first control module is specifically used to: control the power supply module to supply power to the electromagnetic coil to generate magnetic force, and use the magnetic force to interact with the magnetic material component to separate the first part and the second part, thereby causing the shell of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0018] In one optional implementation, the protective shell further includes a Hall sensor; the determining module is specifically configured to: detect the opening / closing state of the foldable device based on the Hall sensor; and determine whether the foldable device is currently in a first state based on the detected opening / closing state of the foldable device.

[0019] In one alternative implementation, the protective shell further includes an acceleration sensor; the acquisition module is specifically used to: acquire acceleration data of the foldable device based on the acceleration sensor.

[0020] According to a third aspect of the present disclosure, a drop protection device for a foldable device is provided, comprising: a drop protection mechanism; and a processor configured to acquire acceleration data of the foldable device when the foldable device is currently in a first state, and to control the drop protection mechanism to operate to convert the foldable device from the first state to a second state when the foldable device is in a drop state, so as to protect the flexible display screen of the foldable device.

[0021] In one implementation, the drop protection mechanism includes a motor and a chain that spans the pivot of the foldable device; wherein the processor is specifically configured to: control the motor to drive the chain to extend, so that the chain drives the housing of the foldable device to rotate about the pivot to change the foldable device from the first state to the second state.

[0022] In one alternative implementation, the processor is specifically configured to: acquire a target closure angle corresponding to the second state; determine a target extension length of the chain based on the target closure angle; and control the motor to drive the chain to extend to the target extension length, so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0023] In one alternative implementation, the processor is specifically configured to: control the motor to enter a free state when the closing angle of the foldable device reaches a preset angle during the process of controlling the motor to drive the chain to extend.

[0024] In one implementation, the drop protection mechanism is a protective shell for the foldable device, and the processor is disposed on the protective shell. The protective shell includes a first part and a second part, and further includes a power supply module, an electromagnetic coil, and a magnetic material component. The processor is specifically used to: control the power supply module to supply power to the electromagnetic coil to generate magnetic force, and use the magnetic force to interact with the magnetic material component to separate the first part and the second part, thereby causing the shell of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0025] In one alternative implementation, the protective shell further includes a Hall sensor, wherein the Hall sensor is used to detect the opening / closing state of the foldable device; the processor is specifically used to: determine whether the foldable device is currently in a first state based on the detected opening / closing state of the foldable device.

[0026] In one alternative implementation, the protective shell further includes an accelerometer sensor, wherein the accelerometer sensor is used to detect the acceleration of the foldable device; the processor is specifically used to: acquire the acceleration data of the foldable device detected by the accelerometer sensor.

[0027] According to a fourth aspect of the present disclosure, a non-transitory computer-readable storage medium storing computer instructions is provided, wherein the computer instructions are configured to cause the computer to perform the method described in the first aspect above.

[0028] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects: when the foldable device is detected to be unfolded and in a drop state, the drop protection mechanism of the foldable device is controlled to close the foldable device, thereby protecting the flexible display screen of the foldable device.

[0029] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and are not intended to limit this disclosure. Attached Figure Description

[0030] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0031] Figure 1 This is a schematic diagram illustrating a foldable device according to an exemplary embodiment.

[0032] Figure 2 This is a flowchart illustrating a drop protection method for a foldable device according to an exemplary embodiment.

[0033] Figure 3This is a flowchart illustrating another drop protection method for a foldable device according to an exemplary embodiment.

[0034] Figure 4 This is a schematic diagram illustrating a drop protection mechanism according to an exemplary embodiment.

[0035] Figure 5 This is a schematic diagram illustrating another drop protection mechanism according to an exemplary embodiment.

[0036] Figure 6 This is a schematic diagram illustrating yet another drop protection mechanism according to an exemplary embodiment.

[0037] Figure 7 This is a schematic diagram illustrating yet another drop protection mechanism according to an exemplary embodiment.

[0038] Figure 8 This is a flowchart illustrating another drop protection method for a foldable device according to an exemplary embodiment.

[0039] Figure 9 This is a schematic diagram illustrating yet another drop protection mechanism according to an exemplary embodiment.

[0040] Figure 10 This is a schematic diagram illustrating yet another drop protection mechanism according to an exemplary embodiment.

[0041] Figure 11 This is a schematic diagram of the structure and circuit of a drop protection mechanism according to an exemplary embodiment.

[0042] Figure 12 This is a schematic diagram illustrating a drop protection device for a foldable device according to an exemplary embodiment.

[0043] Figure 13 This is a schematic diagram illustrating a drop protection device for another foldable device according to an exemplary embodiment.

[0044] Figure 14 This is a schematic diagram illustrating a drop protection device for another foldable device according to an exemplary embodiment. Detailed Implementation

[0045] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with some aspects of the invention as detailed in the appended claims.

[0046] Please see Figure 1 , Figure 1 This is a schematic diagram illustrating a foldable device according to an exemplary embodiment. The foldable device can be a mobile phone, tablet computer, or similar device. Figure 1 As shown, the foldable device includes a first housing 101, a pivot 102, and a second housing 103. Figure 1 The angle indicated by the middle arrow is the folding angle of the foldable device.

[0047] Please see Figure 2 , Figure 2 This is a flowchart illustrating a drop protection method for a foldable device according to an exemplary embodiment. The method can be applied to, for example... Figure 1 The foldable device shown. Figure 2 As shown, the drop protection method for this foldable device may include, but is not limited to, the following steps:

[0048] Step S201: Determine whether the foldable device is currently in the first state.

[0049] In the embodiments disclosed herein, the first state refers to the unfolded state (i.e., the folding angle of the folding device is the maximum foldable angle).

[0050] For example, it can be determined whether the foldable device is currently in the first state by recording changes in the opening and closing state of the foldable device, or it can be determined by acquiring data from relevant sensors of the foldable device (e.g., Hall effect sensors) to calculate whether the foldable device is currently in the first state.

[0051] Step S202: In response to the foldable device being in the first state, acquire the acceleration data of the foldable device.

[0052] For example, in response to the foldable device being in an unfolded state, the accelerometer on the foldable device is activated to acquire the acceleration data of the foldable device.

[0053] Step S203: Based on acceleration data, detect whether the foldable device is in a fall state.

[0054] For example, the acceleration data is compared with a preset acceleration threshold. If the acceleration data is greater than or equal to the preset acceleration threshold, the foldable device is detected to be in a fall state; if the acceleration data is less than the preset acceleration threshold, the foldable device is detected not to be in a fall state.

[0055] In the embodiments of this disclosure, the preset acceleration threshold is an acceleration threshold for determining whether the foldable device is in a falling state.

[0056] In step S204, in response to the foldable device being in a drop state, the drop protection mechanism of the foldable device is controlled to operate to change the foldable device from the first state to the second state in order to protect the flexible display screen of the foldable device.

[0057] In the embodiments of this disclosure, the second state refers to the intermediate state (i.e., the folding angle of the folding device is less than the maximum folding angle).

[0058] For example, in response to a foldable device being dropped, the drop protection mechanism of the foldable device is activated to change the foldable device from an unfolded state to an intermediate state in order to protect the flexible display screen of the foldable device.

[0059] It is understood that the technical solution of this disclosure, after determining that the foldable device is in the unfolded state, uses an accelerometer to acquire acceleration data to determine whether the foldable device is in a drop state, thereby determining whether to control the drop protection mechanism of the foldable device to operate. Compared with the technical solution that uses an accelerometer to acquire acceleration data to determine whether the foldable device is in a drop state, and then determines whether to control the drop protection mechanism of the foldable device to operate by judging whether the foldable device is in the unfolded state, it is not necessary to keep the accelerometer in a working state for a long time, and the method execution time required from the occurrence of a drop of the foldable device to the operation of the drop protection mechanism is shortened, thereby reducing device power consumption and improving response speed.

[0060] By implementing the embodiments of this disclosure, when it is detected that the foldable device is unfolded and in a drop state, the drop protection mechanism of the foldable device can be controlled to change the foldable device from the unfolded state to an intermediate state, thereby protecting the flexible display screen of the foldable device.

[0061] In one implementation, the drop protection mechanism includes a motor and a chain that spans the pivot of the foldable device. As an example, please refer to... Figure 3 , Figure 3 This is a flowchart illustrating another drop protection method for a foldable device according to an exemplary embodiment. Figure 3 As shown, the method may include, but is not limited to, the following steps:

[0062] Step S301: Determine whether the foldable device is currently in the first state.

[0063] In the embodiments of this disclosure, step S301 can be implemented in any of the ways described in the various embodiments of this disclosure. This disclosure does not limit this and will not elaborate further.

[0064] Step S302: In response to the foldable device being in the first state, acquire the acceleration data of the foldable device.

[0065] In the embodiments of this disclosure, step S302 can be implemented in any of the ways described in the various embodiments of this disclosure. The embodiments of this disclosure do not limit this and will not elaborate further.

[0066] Step S303: Based on acceleration data, detect whether the foldable device is in a fall state.

[0067] In the embodiments of this disclosure, step S303 can be implemented in any of the various embodiments of this disclosure. This disclosure does not limit this implementation and will not elaborate further.

[0068] In step S304, in response to the foldable device being in a drop state, the motor is controlled to drive the chain to extend so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0069] In one alternative implementation, the first and second ends of the chain are located on opposite sides of the pivot of the foldable device, with the first end connected to the rear shell of the foldable device and the second end connected to the motor.

[0070] As an example, please see Figure 4 , Figure 4 This is a schematic diagram illustrating a drop protection mechanism according to an exemplary embodiment. Figure 4 As shown, the chain spans the pivot of the foldable device, and the first end of the chain is connected to the rear shell of the first housing of the foldable device, while the second end of the chain is connected to the motor.

[0071] It should be noted that, in the embodiments disclosed herein, the chain may be disposed on the inner surface of the housing of the foldable device, or on the outer surface of the housing of the foldable device, or at other positions that can drive the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0072] As another example, see Figure 5 , Figure 5 This is a schematic diagram illustrating another drop protection mechanism according to an exemplary embodiment. Figure 5 As shown, in response to the foldable device being in a drop state, the control motor drives the chain to extend, so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0073] In one alternative implementation, the aforementioned control motor drives the chain to extend so that the chain drives the housing of the foldable device to rotate around a pivot to change the foldable device from a first state to a second state, which may include the following steps: obtaining a target closure angle corresponding to the second state; determining a target extension length of the chain based on the target closure angle; controlling the motor to drive the chain to extend to the target extension length so that the chain drives the housing of the foldable device to rotate around a pivot to change the foldable device from the first state to the second state.

[0074] For example, the target closing angle is obtained as the closing angle required for the foldable device to transition to the second state; the corresponding length of the chain is determined based on the target closing angle as the target extension length; the motor is controlled to drive the chain to extend to the target extension length so that the chain drives the housing of the foldable device to rotate around the pivot to transition the foldable device from the first state to the second state.

[0075] In an alternative implementation, the method further includes: controlling the motor to enter a free state when the closing angle of the foldable device reaches a preset angle during the extension of the motor-driven chain.

[0076] For example, during the process of controlling the extension of the motor-driven chain, when the closing angle of the foldable device reaches the preset angle, the motor is put into a free state (so that the motor rotor can move freely), thereby avoiding the change in the closing angle of the foldable device due to a fall, which would cause the chain to move and the motor to be damaged by unexpected force.

[0077] In the embodiments disclosed herein, the preset angle is a folding angle set to avoid damage to the motor due to force, and the preset angle is greater than 0 degrees and less than the target closing angle.

[0078] By implementing the embodiments of this disclosure, when a foldable device is detected to be unfolded and in a falling state, the motor drives the chain to extend, changing the foldable device from the unfolded state to an intermediate state, thereby protecting the flexible display screen of the foldable device.

[0079] In one implementation, the drop protection mechanism is a protective shell for a foldable device, wherein the protective shell includes a first part and a second part. For example, please refer to [link to example]. Figure 6 , Figure 6 This is a schematic diagram illustrating yet another drop protection mechanism according to an exemplary embodiment. Figure 6 As shown, the protective case includes a separable first part and a second part, and a first or second housing of a foldable electronic device can be nested within the second part of the protective case. The protective case also includes a power supply module, an electromagnetic coil, and magnetic material components. As an example, please refer to... Figure 7 , Figure 7This is a schematic diagram illustrating yet another drop protection mechanism according to an exemplary embodiment. Figure 7 As shown, the protective casing includes a power supply module 701, an electromagnetic coil 702, and a magnetic material component 703. The electromagnetic coil is located in the first part of the protective casing, and the magnetic material is located in the second part. (The last sentence appears to be incomplete and possibly refers to a different component.) Figure 7 The protective shell shown can generate magnetic force by energizing an electromagnetic coil when the foldable device is detected to be in a drop state. This magnetic force interacts with the magnetic material components to separate the first part from the second part, thereby causing the shell of the foldable device to rotate around the axis to change the foldable device from the first state to the second state.

[0080] As an example, please see Figure 8 , Figure 8 This is a flowchart illustrating another drop protection method for a foldable device according to an exemplary embodiment. Figure 8 As shown, the method may include, but is not limited to, the following steps:

[0081] Step S801: Determine whether the foldable device is currently in the first state.

[0082] In the embodiments of this disclosure, step S801 can be implemented in any of the ways described in the various embodiments of this disclosure. This disclosure does not limit this and will not elaborate further.

[0083] In one implementation, the protective shell further includes a Hall sensor; the determination of whether the foldable device is currently in the first state includes: detecting the opening / closing state of the foldable device based on the Hall sensor; and determining whether the foldable device is currently in the first state based on the detected opening / closing state of the foldable device.

[0084] As an example, please see the figure. Figure 9 This is a schematic diagram illustrating yet another drop protection mechanism according to an exemplary embodiment. Figure 9 As shown, the protective case is equipped with a Hall sensor 904, which can be used to calculate and detect the current opening and closing state of the foldable device based on the data measured by the Hall sensor 904. If the current opening and closing state of the foldable device is the unfolded state, it is determined that the foldable device is currently in the first state; or, if the current opening and closing state of the foldable device is the intermediate state, it is determined that the foldable device is not currently in the first state.

[0085] Step S802: In response to the foldable device being in the first state, acquire the acceleration data of the foldable device.

[0086] In one alternative implementation, the protective shell further includes an acceleration sensor; the acquisition of acceleration data of the foldable device includes: acquiring acceleration data of the foldable device based on the acceleration sensor.

[0087] As an example, please see Figure 10 , Figure 10 This is a schematic diagram illustrating yet another drop protection mechanism according to an exemplary embodiment. Figure 10 As shown, the protective case has an acceleration sensor 1004, which can acquire acceleration data of the foldable device based on the acceleration sensor 1004 in response to the foldable device being in a first state.

[0088] Step S803: Based on acceleration data, detect whether the foldable device is in a fall state.

[0089] In the embodiments of this disclosure, step S803 can be implemented in any of the ways described in the various embodiments of this disclosure. This disclosure does not limit this and will not elaborate further.

[0090] In step S804, the control power supply module supplies power to the electromagnetic coil to generate magnetic force. The magnetic force interacts with the magnetic material component to separate the first part from the second part, thereby causing the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0091] For example, the control power supply module supplies power to the electromagnetic coil to generate a magnetic force, and the magnetic poles of the magnetic force are the same as the magnetic poles of the magnetic material. Thus, the mutual repulsion between like magnetic poles is used to separate the first part and the second part of the protective shell, so that the second part drives the shell of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0092] In one implementation of an embodiment of this disclosure, the power supply module may be a wireless charging module, thereby allowing the drop protection device to obtain the required power through a foldable device with reverse wireless charging functionality.

[0093] Please see Figure 11 , Figure 11 This is a schematic diagram of the structure and circuit of a drop protection mechanism according to an exemplary embodiment. Figure 11 As shown, the protective shell provided in this embodiment can, when the foldable device is detected to be in a drop state, use the magnetic force generated by energizing the circuit to spring open a portion of the protective shell containing magnetic material, thereby closing the foldable device and protecting the flexible display screen of the foldable device.

[0094] By implementing the embodiments of this disclosure, when the foldable device is detected to be in a drop state, the power supply module can be controlled to supply power to the electromagnetic coil to generate magnetic force. The interaction between the electromagnetic coil and the magnetic material component is used to separate the first part and the second part of the protective shell, thereby causing the shell of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state, thereby protecting the flexible display screen of the foldable device.

[0095] Please see Figure 12 , Figure 12 This is a schematic diagram illustrating a drop protection device 1200 for a foldable device according to an exemplary embodiment. Figure 12 As shown, the device includes a determining module 1201, an acquiring module 1202, a detecting module 1203, and a first control module 1204. The determining module 1201 is used to determine whether the foldable device is currently in a first state; the acquiring module 1202 is used to acquire acceleration data of the foldable device in response to the foldable device being in the first state; the detecting module 1203 is used to detect whether the foldable device is in a drop state based on the acceleration data; and the first control module 1204 is used to control the drop protection mechanism of the foldable device to operate in response to the foldable device being in a drop state, so as to change the foldable device from the first state to a second state to protect the flexible display screen of the foldable device.

[0096] In one implementation, the drop protection mechanism includes a motor and a chain that spans the pivot of the foldable device; the first control module 1204 is specifically used to: control the motor to drive the chain to extend so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from a first state to a second state.

[0097] In one alternative implementation, the first and second ends of the chain are located on opposite sides of the pivot of the foldable device, with the first end connected to the rear shell of the foldable device and the second end connected to the motor.

[0098] Optionally, the first control module 1204 is specifically used to: obtain the target closure angle corresponding to the second state; determine the target extension length of the chain according to the target closure angle; control the motor to drive the chain to extend to the target extension length, so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0099] Optionally, the device also includes a second control module. As an example, please refer to... Figure 13 , Figure 13 This is a schematic diagram illustrating a drop protection device 1300 for another foldable device according to an exemplary embodiment. Figure 13As shown, the device includes a second control module 1305, used to control the motor to enter a free state when the closing angle of the foldable device reaches a preset angle during the extension of the motor-driven chain. Figure 13 Modules 1301-1304 in the middle and Figure 12 Modules 1201 to 1204 in the series have the same structure and function.

[0100] In one implementation, the drop protection mechanism is a protective shell for a foldable device. The protective shell includes a first part and a second part, and also includes a power supply module, an electromagnetic coil, and a magnetic material component. The first control module 1204 is specifically used to: control the power supply module to supply power to the electromagnetic coil to generate magnetic force, and use the magnetic force to interact with the magnetic material component to separate the first part and the second part, thereby causing the shell of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0101] In one alternative implementation, the protective shell further includes a Hall sensor; the determining module 1201 is specifically used to: detect the opening and closing state of the foldable device based on the Hall sensor; and determine whether the foldable device is currently in a first state based on the detected opening and closing state of the foldable device.

[0102] In one alternative implementation, the protective shell further includes an acceleration sensor; the acquisition module 1202 is specifically used to: acquire acceleration data of the foldable device based on the acceleration sensor.

[0103] The apparatus of this disclosure can control the drop protection mechanism of the foldable device to close the foldable device when it is detected that the foldable device has been unfolded and is in a drop state, thereby protecting the flexible display screen of the foldable device.

[0104] Regarding the apparatus in the above embodiments, the specific manner in which each module performs its operation has been described in detail in the embodiments related to the method, and will not be elaborated upon here.

[0105] Please see Figure 14 , Figure 14 This is a schematic diagram illustrating a drop protection device 1400 for another foldable device according to an exemplary embodiment. Figure 14 As shown, the drop protection device of the foldable device includes: a drop protection mechanism 1401; and a processor 1402, which is used to acquire the acceleration data of the foldable device when the foldable device is currently in a first state, and to control the drop protection mechanism to work to change the foldable device from the first state to a second state when the foldable device is in a drop state, so as to protect the flexible display screen of the foldable device.

[0106] In one implementation, the drop protection device 1401 includes a motor and a chain that spans the pivot of the foldable device; wherein the processor 1402 is specifically configured to: control the motor to drive the chain to extend so that the chain drives the housing of the foldable device to rotate about the pivot to change the foldable device from a first state to a second state.

[0107] In one alternative implementation, the processor 1402 is specifically configured to: acquire a target closure angle corresponding to the second state; determine a target extension length of the chain based on the target closure angle; and control a motor to drive the chain to extend to the target extension length so that the chain drives the housing of the foldable device to rotate around a pivot to change the foldable device from the first state to the second state.

[0108] In one alternative implementation, the processor 1402 is specifically used to: control the motor to enter a free state when the closing angle of the foldable device reaches a preset angle during the process of controlling the extension of the motor-driven chain.

[0109] In one implementation, the drop protection device 1401 is a protective shell for the foldable device, and the processor 1402 is disposed on the protective shell. The protective shell includes a first part and a second part, and also includes a power supply module, an electromagnetic coil, and a magnetic material component. The processor 1402 is specifically used to: control the power supply module to supply power to the electromagnetic coil to generate magnetic force, and use the magnetic force to interact with the magnetic material component to separate the first part and the second part, thereby causing the shell of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

[0110] In one alternative implementation, the protective housing further includes a Hall sensor, wherein the Hall sensor is used to detect the opening / closing state of the foldable device; the processor 1402 is specifically used to: determine whether the foldable device is currently in a first state based on the detected opening / closing state of the foldable device.

[0111] In one alternative implementation, the protective housing further includes an acceleration sensor, wherein the acceleration sensor is used to detect the acceleration of the foldable device; the processor 1402 is specifically used to: acquire the acceleration data of the foldable device detected by the acceleration sensor.

[0112] This disclosure also provides a readable storage medium having instructions stored thereon that, when executed by a computer, implement the functions of any of the above method embodiments.

[0113] This disclosure also provides a computer program product that, when executed by a computer, implements the functions of any of the above method embodiments.

[0114] In the above embodiments, implementation can be achieved, in whole or in part, through software, hardware, firmware, or any combination thereof. When implemented in software, it can be implemented, in whole or in part, as a computer program product. A computer program product includes one or more computer programs. When a computer program is loaded and executed on a computer, it generates, in whole or in part, the flow or function according to the embodiments of this disclosure. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer program can be stored in a computer-readable storage medium or transferred from one computer-readable storage medium to another. For example, a computer program can be transferred from one website, computer, server, or data center to another via wired (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server or data center that integrates one or more available media. The available media can be magnetic media (e.g., floppy disks, hard disks, magnetic tapes), optical media (e.g., high-density digital video discs (DVDs)), or semiconductor media (e.g., solid-state disks (SSDs)).

[0115] Those skilled in the art will understand that the various numerical designations such as "first," "second," etc., used in this disclosure are merely for the convenience of description and are not intended to limit the scope of the embodiments of this disclosure, nor do they indicate the order of events.

[0116] At least one of the features described in this disclosure can also be described as one or more, and multiple features can be two, three, four or more, and this disclosure does not impose any limitations. In the embodiments of this disclosure, for a technical feature, the technical features in that technical feature are distinguished by "first", "second", "third", "A", "B", "C" and "D", etc., and there is no sequential order or size order among the technical features described by "first", "second", "third", "A", "B", "C" and "D".

[0117] The predefined terms in this disclosure can be understood as defined, predefined, stored, pre-stored, pre-negotiated, pre-configured, solidified, or pre-burned.

[0118] Those skilled in the art will 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, or a combination of computer software and electronic hardware. 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 disclosure.

[0119] Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0120] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. A drop protection method for a foldable device, characterized in that, include: Determine whether the foldable device is currently in a first state, where the first state refers to the unfolded state; In response to the foldable device being in the first state, the acceleration data of the foldable device is acquired; Based on the acceleration data, it is detected whether the foldable device is in a drop state; In response to the foldable device being in a drop state, the drop protection mechanism of the foldable device is controlled to operate to change the foldable device from the first state to the second state in order to protect the flexible display screen of the foldable device; The drop protection mechanism includes a motor and a chain that spans the pivot of the foldable device; The drop protection mechanism of the foldable device is activated to transition the foldable device from the first state to the second state, including: Obtain the target closure angle corresponding to the second state; The target extension length of the chain is determined based on the target closure angle. The motor is controlled to drive the chain to extend to the target extension length, so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

2. The method as described in claim 1, characterized in that, The first end and the second end of the chain are located on both sides of the pivot of the foldable device. The first end is connected to the rear shell of the foldable device, and the second end is connected to the motor.

3. The method according to any one of claims 1 to 2, characterized in that, The method further includes: During the process of controlling the motor to drive the chain to extend, and when the closing angle of the foldable device reaches a preset angle, the motor is controlled to enter a free state.

4. A drop protection device for a foldable device, characterized in that, include: A determining module is used to determine whether the foldable device is currently in a first state, where the first state refers to the unfolded state. The acquisition module is used to acquire the acceleration data of the foldable device in response to the foldable device being in the first state. The detection module is used to detect whether the foldable device is in a drop state based on the acceleration data; The first control module is configured to, in response to the foldable device being in a drop state, control the drop protection mechanism of the foldable device to operate so as to change the foldable device from the first state to the second state, so as to protect the flexible display screen of the foldable device. The drop protection mechanism includes a motor and a chain, the chain spanning the pivot of the foldable device; the first control module is specifically used for: Obtain the target closure angle corresponding to the second state; The target extension length of the chain is determined based on the target closure angle. The motor is controlled to drive the chain to extend to the target extension length, so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

5. The apparatus as described in claim 4, characterized in that, The first end and the second end of the chain are located on both sides of the pivot of the foldable device. The first end is connected to the rear shell of the foldable device, and the second end is connected to the motor.

6. The apparatus as described in any one of claims 4 to 5, characterized in that, The device further includes: The second control module is used to control the motor to enter a free state when the closing angle of the foldable device reaches a preset angle during the process of controlling the motor to drive the chain to extend.

7. A drop protection device for a foldable device, characterized in that, include: Fall protection agencies; The processor is configured to acquire acceleration data of the foldable device when the foldable device is currently in a first state, and control the drop protection mechanism to operate when the foldable device is in a drop state to change the foldable device from the first state to a second state in order to protect the flexible display screen of the foldable device. The drop protection mechanism includes a motor and a chain, the chain spanning the pivot of the foldable device; wherein, the processor is specifically used for: Obtain the target closure angle corresponding to the second state; The target extension length of the chain is determined based on the target closure angle. The motor is controlled to drive the chain to extend to the target extension length, so that the chain drives the housing of the foldable device to rotate around the pivot to change the foldable device from the first state to the second state.

8. The apparatus as claimed in claim 7, characterized in that, The processor is specifically used for: During the process of controlling the motor to drive the chain to extend, and when the closing angle of the foldable device reaches a preset angle, the motor is controlled to enter a free state.

9. A non-transitory computer-readable storage medium storing computer instructions, wherein, The computer instructions are used to cause the computer to perform the method as described in any one of claims 1 to 3.

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