Electronic devices and their control methods

Abstract

This application relates to an electronic device and a control method. The electronic device includes a shell assembly, a driving mechanism, a first radiator, a second radiator, a capacitive sensor, and a controller. The shell assembly includes a first shell and a second shell. In the unfolded position, the shell assembly has a detection area. The first radiator and the second radiator are respectively disposed outside and inside the detection area. The capacitive sensor obtains a first capacitance value through the first radiator and a second capacitance value through the second radiator. When the first capacitance value is greater than or equal to a first threshold, the controller controls the driving mechanism to move the second shell towards a retracted position. When the second capacitance value is greater than or equal to a second threshold, the controller controls the driving mechanism to move the second shell towards an unfolded position or stop moving it. The electronic device and control method of this application can avoid interference from the metallic environment outside the detection area and avoid misjudgments when detecting within the detection area, thereby improving the user experience.

Description

Technical Field

[0001] This application relates to the field of electronic equipment technology, and in particular to electronic equipment and control methods thereof. Background Technology

[0002] In today's intelligent information age, users are using electronic devices more and more frequently, and the usage scenarios are becoming increasingly diverse. Currently, most portable smart electronic devices have screen sizes of less than 7 inches. Compared with tablets and laptops, the screen display area is limited, thus restricting the user's operating experience.

[0003] The emergence of flexible screens has effectively solved this problem. By bending or rolling the flexible screen, a large screen can be housed within a small body, making it easy for users to carry. At the same time, the small screen can be used as a normal phone, while when switched to the large screen, users can simultaneously read news and chat on social media, and it can also enhance the user's gaming experience, greatly enriching the user's usage scenarios.

[0004] However, to accommodate the expansion and contraction of flexible screens, the shell assembly of electronic devices needs to be configured with at least two relatively movable parts. This makes it easy for the shell assembly to trap users' fingers or foreign objects during the retraction of the flexible screen, resulting in a poor user experience. Using sensors for anti-pinch detection is also susceptible to interference and misjudgments, causing the shell assembly to fail to close when it should, further complicating the user experience. Summary of the Invention

[0005] This application provides an electronic device and its control method to solve the technical problems that the casing of the electronic device is prone to pinching fingers and misjudging, resulting in a poor user experience.

[0006] On one hand, embodiments of this application provide an electronic device, including:

[0007] The shell assembly includes a first shell and a second shell that are movably connected;

[0008] A driving mechanism is used to drive the second housing to move relative to the first housing in a first direction to an unfolded position and a retracted position. In the unfolded position, a detection area is formed on the back of the housing assembly. When the second housing moves toward the retracted position, the width of the detection area in the first direction gradually decreases.

[0009] A first radiator is disposed on the shell assembly and located outside the detection area;

[0010] A capacitive sensor is electrically connected to the first radiator. When the second housing moves relative to the first housing towards the retracted position, the capacitive sensor obtains a first capacitance value through the first radiator.

[0011] A second radiator is disposed in the housing assembly and located within the detection area. The second radiator is electrically connected to the capacitance sensor, and the capacitance sensor obtains a second capacitance value through the second radiator.

[0012] A controller, electrically connected to the capacitance sensor, is configured to: when the first capacitance value is greater than or equal to a first threshold, control the drive mechanism to move the second housing relative to the first housing toward the retracted position; when the first capacitance value is less than the first threshold and the second capacitance value is greater than or equal to a second threshold, control the drive mechanism to move the second housing relative to the first housing toward the unfolded position or control the drive mechanism to stop moving the second housing relative to the first housing.

[0013] On the other hand, this application provides a control method for controlling an electronic device. The electronic device includes a shell assembly and a drive mechanism disposed on the shell assembly. The shell assembly includes a first shell and a second shell that are movably connected. The second shell can move relative to the first shell in a first direction to an unfolded position and a retracted position under the drive of the drive mechanism. In the unfolded position, a detection area is formed on the back of the shell assembly. When the second shell moves toward the retracted position, the width of the detection area in the first direction gradually decreases.

[0014] The control method includes the following steps:

[0015] Receive control operation information, and control the drive mechanism to move the second housing relative to the first housing toward the retracted position according to the control operation information;

[0016] During the process of the driving mechanism driving the second housing to move relative to the first housing towards the retracted position, the capacitance sensor of the electronic device obtains a first capacitance value outside the detection area through the first radiator;

[0017] Determine whether the first capacitance value is greater than the first threshold;

[0018] If the first capacitance value is greater than or equal to the first threshold, the driving mechanism is controlled to drive the second housing relative to the first housing toward the retracted position; otherwise, the capacitance sensor obtains the second capacitance value in the detection area through the second radiator.

[0019] Determine whether the second capacitance value is greater than the second threshold;

[0020] If the second capacitance value is greater than or equal to the second threshold, control the drive mechanism to drive the second housing relative to the first housing toward the unfolded position or control the drive mechanism to stop driving the second housing relative to the first housing; otherwise, control the drive mechanism to drive the second housing relative to the first housing toward the folded position.

[0021] In another aspect, embodiments of this application provide a control method for controlling an electronic device. The electronic device includes a housing assembly and a driving mechanism disposed on the housing assembly. The housing assembly includes a first housing and a second housing that are movably connected. The second housing can move relative to the first housing in the first direction to an unfolded position and a retracted position under the drive of the driving mechanism. In the unfolded position, a detection area is formed on the back of the housing assembly. When the second housing moves toward the retracted position, the width of the detection area in the first direction gradually decreases.

[0022] The control method includes the following steps:

[0023] Receive control operation information, and control the drive mechanism to move the second housing relative to the first housing toward the retracted position according to the control operation information;

[0024] During the process of the driving mechanism driving the second housing to move relative to the first housing towards the retracted position, the capacitance sensor of the electronic device obtains a first capacitance value outside the detection area through the first radiator, and the capacitance sensor obtains a second capacitance value inside the detection area through the second radiator;

[0025] Determine whether the following conditions are met: the first capacitance value is less than the first threshold and the second capacitance value is greater than or equal to the second threshold;

[0026] If the first capacitance value is less than the first threshold and the second capacitance value is greater than or equal to the second threshold, control the driving mechanism to drive the second housing relative to the first housing toward the unfolded position or control the driving mechanism to stop driving the second housing relative to the first housing; otherwise, control the driving mechanism to drive the second housing relative to the first housing toward the folded position.

[0027] In the electronic device and control method of this application, the first radiator and the second radiator are respectively disposed outside and inside the detection area. The capacitive sensor can detect the area outside and the detection area through the first radiator and the second radiator, respectively. This avoids interference from the environment outside the detection area when the electronic device is placed on a metal table, effectively reducing adverse interference to the motion control of the electronic device's housing assembly. Specifically, when the first capacitance value is greater than or equal to a first threshold, the controller controls the drive mechanism to move the second housing relative to the first housing towards a retracted position. When the first capacitance value is less than the first threshold and the second capacitance value is greater than or equal to a second threshold, the controller controls the drive mechanism to move the second housing relative to the first housing towards an unfolded position or controls the drive mechanism to stop moving the second housing relative to the first housing. Thus, the electronic device can accurately determine whether there is a finger or foreign object in the detection area, and when the presence of a finger or foreign object in the detection area causes the second capacitance value to be greater than or equal to the second threshold, the working state of the drive mechanism can be controlled in a timely manner, reducing the probability of the user's finger or foreign object being pinched during the use of the electronic device. Attached Figure Description

[0028] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 A schematic diagram of an electronic device provided according to one embodiment, showing the second housing in a folded position;

[0030] Figure 2 for Figure 1 A cross-sectional schematic diagram of the electronic device shown;

[0031] Figure 3 A schematic diagram of an electronic device provided according to one embodiment, showing the second housing in the unfolded position;

[0032] Figure 4 for Figure 3 A cross-sectional schematic diagram of the electronic device shown;

[0033] Figure 5 for Figure 3 A schematic diagram of the electronic device from another perspective;

[0034] Figure 6 A schematic diagram of an electronic device according to one embodiment, in which the second housing moves relative to the first housing in a first direction;

[0035] Figure 7 A partial structural schematic diagram of a first housing, a second housing, and a plate in an electronic device according to one embodiment;

[0036] Figure 8 for Figure 7 A side view diagram of a partial structure of the first shell, the second shell, and the plate is shown.

[0037] Figure 9 A flowchart illustrating the steps of a control method for an electronic device according to one embodiment;

[0038] Figure 10 This is a flowchart illustrating the steps of a control method for an electronic device, as described in another embodiment. Detailed Implementation

[0039] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings. Preferred embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a thorough and complete understanding of the disclosure of this application.

[0040] As used herein, "electronic device" refers to, but is not limited to, a device capable of receiving and / or transmitting communication signals connected via any one or more of the following connection methods:

[0041] (1) Via wired connection, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cable, or direct cable connection;

[0042] (2) Via wireless interface, such as cellular network, wireless local area network (WLAN), digital television network such as DVB-H network, satellite network, AM-FM broadcast transmitter.

[0043] An electronic device configured to communicate via a wireless interface can be referred to as a "mobile terminal". Examples of mobile terminals include, but are not limited to, the following electronic devices:

[0044] (1) Satellite phone or cellular phone;

[0045] (2) A personal communications system (PCS) terminal that can combine cellular radio telephone with data processing, fax and data communication capabilities;

[0046] (3) Radio telephone, pager, Internet / intranet access, web browser, notepad, calendar, personal digital assistant (PDA) equipped with a Global Positioning System (GPS) receiver;

[0047] (4) Conventional above-knee and / or palm-sized receivers;

[0048] (5) Conventional knee-mounted and / or handheld wireless telephone transceivers, etc.

[0049] See Figures 1 to 4 As shown, an electronic device 100 provided in this application embodiment includes a housing assembly 10 and a flexible screen 20. The housing assembly 10 forms a receiving cavity 101, and the flexible screen 20 is connected to the housing assembly 10. The electronic device 100 may also include a circuit board (not shown) and a battery (not shown), both of which can be disposed within the receiving cavity 101 of the housing assembly 10. The circuit board may integrate a processor, power management module, storage unit, and baseband chip of the electronic device 100. The flexible screen 20 is communicatively connected to the processor, and the battery can power the flexible screen 20 and the electronic components on the circuit board. Of course, the electronic device 100 may also include a camera module (not shown), which is communicatively connected to the circuit board, and the battery can power the camera module. It is understood that the electronic device 100 in this application embodiment includes, but is not limited to, mobile phones, tablet computers, and other terminal devices or other portable electronic devices.

[0050] The shell assembly 10 includes a first shell 12 and a second shell 14 that are movably connected, and the second shell 14 and the first shell 12 are capable of relative movement along a first direction. A flexible screen 20 is connected to the first shell 12 and the second shell 14. As the first shell 12 and the second shell 14 move relative to each other along the first direction, the flexible screen 20 extends from or retracts into the shell assembly 10 along the first direction to adjust the unfolded length of the flexible screen 20.

[0051] In some embodiments, the second housing 14 and the first housing 12 are slidably connected. In other words, the second housing 14 can slide relative to the first housing 12. For example, one of the first housing 12 and the second housing 14 may be provided with a slide rail, and the other can slide along the slide rail, so that the first housing 12 and the second housing 14 can extend and retract relative to each other. In other embodiments, the second housing 14 and the first housing 12 may be movably connected by other structures that can extend and retract along a first direction. For example, multiple links are connected between the first housing 12 and the second housing 14, with both ends of the links connected to the first housing 12 and the second housing 14 respectively, maintaining that the first housing 12 and the second housing 14 can only move relative to each other along the first direction, thereby realizing the movable connection between the first housing 12 and the second housing 14 along the first direction. The method of movable connection between the first housing 12 and the second housing 14 is not limited here.

[0052] The second housing 14 can move relative to the first housing 12 along a first direction to a folded position and an unfolded position. Figure 1 and Figure 2 As shown, when the second housing 14 is in the folded position, the electronic device 100 has a relatively small size, making it easy to carry. Combined with Figure 3 and Figure 4 As shown, when the second housing 14 is in the unfolded position, the electronic device 100 can obtain a relatively large display area, thereby achieving a large-screen display visual experience and improving the user experience of the electronic device 100. Therefore, with this arrangement, the display area of ​​the flexible screen 20 (hereinafter referred to as the display interface 20a) can be adjusted by the relative sliding extension and retraction of the first housing 12 and the second housing 14. In some embodiments, when the second housing 14 is in the folded position, the display interface 20a exposed outside the housing assembly 10 is generally rectangular, and its size can be 4.5 inches to 7 inches, which is comparable to the size of a typical smartphone display, making the electronic device 100 easy to carry and use.

[0053] It should be noted that the flexible screen 20, as a structural component of the electronic device 100 used for display or touch control, has a display area. This display area refers to the area corresponding to the flexible screen 20 when it displays the maximum image. In other words, during the relative sliding and extending process of the first housing 12 and the second housing 14, when the second housing 14 is in the extended position (i.e., when the display interface 20a is at its maximum), the display interface 20a is the same as the display area. Because a portion of the display area of ​​the flexible screen 20 is contained internally and not exposed during the relative sliding and extending process of the first housing 12 and the second housing 14, this portion does not display an image. The display interface 20a refers to the portion of the display area exposed outside the first housing 12 and the second housing 14. Subsequently, when the display interface 20a is lit or displays an image, the content displayed on the display interface 20a can be observed from outside the electronic device 100.

[0054] It is understood that in the embodiments described below, the terms "folded position," "expanded position," and similar expressions refer to the relative positions of the second housing 14 and the first housing 12. For the sake of simplicity, expressions such as "the second housing 14 is in the folded position" or "in the folded position" mean that the second housing 14 is in the folded position relative to the first housing 12, and expressions such as "the second housing 14 is in the unfolded position" or "in the unfolded position" mean that the second housing 14 is in the unfolded position relative to the first housing 12.

[0055] Combination Figure 2 and Figure 4 As shown, the flexible screen 20 may include a fixed end 202 and a free end 204 disposed opposite to each other. The fixed end 202 is disposed on the second housing 14 and fixed in position relative to the second housing 14, while the free end 204 is movably located within the receiving cavity 101 of the housing assembly 10. Specifically, as... Figure 2 As shown, when the second housing 14 is in the folded position, the free end 204 of the flexible screen 20 is accommodated within the housing assembly 10, so that a portion of the structure of the flexible screen 20 is hidden within the housing assembly 10, and the portion of the flexible screen 20 hidden within the housing assembly 10 is not used for display. Figure 4 As shown, as the second housing 14 moves relative to the first housing 12 towards the unfolded position, the structure of the flexible screen 20 near the free end 204 gradually extends from the housing assembly 10. In other embodiments, the fixed end 202 is disposed on the first housing 12 and is fixed relative to the position of the first housing 12. As the second housing 14 moves relative to the first housing 12, the free end 204 moves within the receiving cavity 101 of the housing assembly 10, causing a portion of the flexible screen 20 to extend or retract into the receiving cavity 101 of the housing assembly 10.

[0056] It is understood that in the embodiments of this application, the relatively fixed positions of the two objects mean that the two objects cannot move relative to each other under normal circumstances. The two objects with relatively fixed positions can be physically directly connected, or they can be indirectly connected through an intermediate structure. Taking the fixed end 202 and the second housing 14 as an example, the relatively fixed positions of the fixed end 202 and the second housing 14 can be achieved by the fixed end 202 being in direct contact with the second housing 14, for example, by using threaded fasteners or clamps to directly fix the fixed end 202 and the second housing 14. Alternatively, the fixed end 202 can be indirectly fixed to the second housing 14 through structures such as an adhesive layer or an intermediate connecting plate.

[0057] The second housing 14 may also include a rear cover 141, which covers the free end 204 of the flexible screen 20 when in the unfolded position.

[0058] Furthermore, the back cover 141 can be provided with a light-transmitting area. When in the unfolded position, the portion of the flexible screen 20 housed in the shell assembly 10 can also be used for display, allowing the user to view the information displayed on the flexible screen 20 through the light-transmitting area, thereby expanding the usage scenarios of the electronic device 100. For example, in this embodiment, the electronic device 100 does not need to be equipped with a front-facing camera; a rear-facing camera module can be used to achieve functions such as selfies and video calls. The light-transmitting area can be made of transparent glass or formed by an opening in the back cover 141. After the second shell 14 moves relative to the first shell 12 to the retracted position, at least a portion of the flexible screen 20 housed in the shell assembly 10 is exposed. The exposed flexible screen 20 can be used for display, so that the electronic device 100 has a relatively large display area, thereby improving the user experience.

[0059] Continue to refer to and combine Figure 2 and Figure 4 As shown, the electronic device 100 includes a drive mechanism 30. The drive mechanism 30 is disposed in the receiving cavity 101 of the housing assembly 10 and is used to drive the first housing 12 and the second housing 14 to move relative to each other in a first direction, so that the second housing 14 drives the flexible screen 20 to be extended from or retracted from the housing assembly 10.

[0060] In some embodiments, the first housing 12 and the second housing 14 are connected to the drive mechanism 30 and move relative to each other under the drive of the drive mechanism 30. Specifically, the drive mechanism 30 has a fixed part and a movable part. When the drive mechanism 30 is working, the movable part can move relative to the fixed part. The fixed part is connected to the first housing 12, and the movable part is connected to the second housing 14 and is used to drive the second housing 14 to move relative to the first housing 12.

[0061] It should be noted that the drive mechanism 30 can be a belt drive structure, a gear drive structure, or a telescopic drive structure such as a cylinder. The structure of the drive mechanism 30 is not limited here, as long as the drive mechanism 30 can drive the first housing 12 and the second housing 14 to move relative to each other in order to adjust the unfolded length of the flexible screen 20 in the first direction.

[0062] The inventors discovered that by utilizing the relative movement of the first housing 12 and the second housing 14 to extend or retract the flexible screen 20 to the housing assembly 10, the unfolded length of the flexible screen 20 in the first direction can be adjusted. However, when the first housing 12 and the second housing 14 move towards the retracted position, there is a risk of pinching the user's fingers. For ease of understanding, combined with... Figure 5 As shown, the area on the back of the shell assembly 10 where there is a risk of fingers being pinched during the retraction of the flexible screen 20 of the electronic device 100 is referred to as the "detection area 10a". Understandably, this detection area 10a is the area where fingers or foreign objects are not desired during the retraction of the flexible screen 20. The back of the shell assembly 10 refers to the surface of the shell assembly 10 exposed on the side of the electronic device 100 facing away from the display interface 20a. Understandably, since the first shell 12 and the second shell 14 can move relative to each other in the first direction, the surface of the back of the shell assembly 10 exposed on the electronic device 100 will increase or decrease with the relative movement of the first shell 12 and the second shell 14. Specifically, as the second shell 14 moves towards the retracted position, the width of the detection area 10a gradually decreases in the first direction.

[0063] In some implementations, combined Figure 5 and Figure 6 As shown, in a first direction, the first housing 12 has a first sidewall 12a facing the side where the second housing 14 is located, and the second housing 14 has a second sidewall 14a facing the side where the first housing 12 is located. Understandably, as the second housing 14 moves relative to the first housing 12 towards a folded position, the first sidewall 12a and the second sidewall 14a approach each other until the second housing 14 reaches the folded position. In some embodiments, when the second housing 14 is in the folded position, the first sidewall 12a and the second sidewall 14a are in contact, so that the seams of the first housing 12 and the second housing 14 are aligned, maintaining the overall appearance and texture of the electronic device 100. Understandably, in some embodiments, when the second housing 14 is in the folded position, there may be a gap between the first sidewall 12a and the second sidewall 14a. The width of the gap is less than or equal to 1 mm. By controlling the width of the gap within this range, the seam between the first sidewall 12a and the second sidewall 14a is so small that it can be ignored. Thus, even if there is a gap between the first sidewall 12a and the second sidewall 14a when the second housing 14 is in the folded position, the impact on the overall appearance of the electronic device 100 is minimal.

[0064] In some embodiments, when the electronic device is in a certain state, the first sidewall 12a and the second sidewall 14a are spaced apart, defining a detection area between them. The width of this detection area in the first direction is not limited here. It is understood that this detection area can be an area where, when the second housing 14 moves relative to the first housing 12 towards a retracted position, a user may unintentionally place their finger between the first sidewall 12a and the second sidewall 14a, posing a risk of injury from being pinched by the first sidewall 12a and the second sidewall 14a. Furthermore, when a foreign object is lodged between the first sidewall 12a and the second sidewall 14a, the process of the first sidewall 12a and the second sidewall 14a approaching each other will encounter significant resistance. Correspondingly, the drive mechanism 30 will also experience a significant reaction force. In this situation, the drive mechanism 30 is easily damaged, causing a decrease in the overall structural performance of the electronic device 100, or even rendering the electronic device 100 unusable.

[0065] Specifically, in the embodiments of this application, such as Figure 6 As shown, the second housing 14 has an intermediate position during its movement between the unfolded and retracted positions relative to the first housing 12. When the second housing 14 is in the intermediate position, the area between the corresponding first sidewall 12a and second sidewall 14a of the housing assembly 10 defines the detection area 10a. The intermediate position can be the position of the second housing 14 at the instant it leaves the unfolded position. At this time, the distance between the intermediate position and the unfolded position is close to 0, and without considering errors, the intermediate position can be considered to be the same as the unfolded position. Of course, in some embodiments, the intermediate position and the unfolded position are the same; the distinction between the intermediate position and the unfolded position is only for the convenience of understanding the detection area 10a.

[0066] In this embodiment of the application, the electronic device 100 includes a first radiator 40, a second radiator 50, a capacitive sensor 60, and a controller 70.

[0067] The first radiator 40 is disposed on the housing assembly 10 and located outside the detection area 10a, and the second radiator 50 is disposed on the housing assembly 10 and located inside the detection area 10a. Specifically, the first radiator 40 may be disposed on the first housing 12 or the second housing 14. In some embodiments, such as... Figure 5 As shown, there are multiple first radiators 40. Some of the first radiators 40 may be located in the first housing 12, while others may be located in the second housing 14. The location of the first radiators 40 is not limited here, as long as the first radiators 40 are located outside the detection area 10a.

[0068] Accordingly, the second radiator 50 only needs to be located within the detection area 10a. For example, such as Figure 5As shown, in some embodiments, the second radiator 50 is connected to the first housing 12 and fixed relative to the first sidewall 12a.

[0069] Both the first radiator 40 and the second radiator 50 are electrically connected to the capacitance sensor 60, so that the capacitance sensor 60 can obtain the capacitance value outside the detection area 10a through the first radiator 40, and obtain the capacitance value inside the detection area 10a through the second radiator 50. Based on the different settings of the first radiator 40 and the second radiator 50, the capacitance value obtained by the capacitance sensor 60 will also be different when the electronic device 100 is in different states.

[0070] For ease of description, the capacitance value obtained by the capacitance sensor 60 through the first radiator 40 will be referred to as the "first capacitance value", and the capacitance value obtained by the capacitance sensor 60 through the second radiator 50 will be referred to as the "second capacitance value".

[0071] In some implementations, when the electronic device 100 is placed on a metal surface, the first capacitance value obtained by the capacitance sensor 60 through the first radiator 40 will be larger than before the electronic device 100 is placed on the metal surface due to the influence of the metal surface. Therefore, it can be determined whether the electronic device 100 is placed on the metal surface based on the first capacitance value. The metal surface includes, but is not limited to, a desktop, cabinet, or machine tool table made of metal.

[0072] Since the second radiator 50 is located in the detection area 10a, the second capacitance value obtained by the capacitance sensor 60 through the second radiator 50 will also be affected by whether there is a finger or foreign object in the detection area 10a. Therefore, the presence of a finger or foreign object in the detection area 10a can be determined based on the second capacitance value.

[0073] Understandably, different objects have different effects on the capacitance value obtained by the capacitance sensor 60. For example, when an electronic device is placed on a metal table, the metal table has a greater effect on the capacitance value of the capacitance sensor 60 than when a finger is placed on the detection area 10a.

[0074] In some embodiments, the capacitive sensor 60 can be a SAR sensor to sense the SAR (Specific Absorption Rate) value through the first radiator 40 and the second radiator 50. Taking the detection of the detection area 10a by the capacitive sensor 60 through the second radiator 50 as an example, if a finger is placed in the detection area 10a, an induced electromagnetic field will be generated within the human body under the influence of an external electromagnetic field. Since various organs in the human body are lossy media, the electromagnetic field within the body will generate a current, leading to the absorption and dissipation of electromagnetic energy. Therefore, when a finger is near the detection area 10a, the SAR value will change compared to when no finger is near the detection area 10a. This change in the SAR value will be characterized as a change in the capacitance of the capacitive sensor 60.

[0075] When the first capacitance value is less than the first threshold, the capacitance sensor 60 obtains the second capacitance value through the second radiator 50. In this embodiment, the first threshold is set based on the capacitance value obtained by the capacitance sensor 60 when the electronic device 100 is placed on the metal table. Specifically, when the first capacitance value is greater than or equal to the first threshold, it indicates that the electronic device 100 is placed on the metal table. Correspondingly, when the first capacitance value is less than the first threshold, it indicates that the electronic device 100 is not placed on the metal table. At this time, the second capacitance value obtained by the capacitance sensor 60 through the second radiator 50 can accurately characterize whether there is a finger or foreign object in the detection area 10a. This avoids the situation where the metal table affects the second radiator 50 when the electronic device 100 is placed on the metal table, causing the second capacitance value to fail to accurately reflect whether there is a finger or foreign object in the detection area 10a, thus causing misjudgment and affecting the accuracy of the controller 70 in controlling the working state of the drive mechanism 30. For ease of understanding, this comparative embodiment uses an electronic device 100 excluding the first radiator 40 as an example. Specifically, if the capacitive sensor 60 does not detect the area outside the detection zone 10a through the first radiator 40 to determine whether the electronic device 100 is placed on a metal surface, then when the electronic device 100 is placed on the metal surface, the second capacitance value obtained by the capacitive sensor 60 through the second radiator 50 exceeds the set value when a finger or foreign object is present in the detection zone 10a. In this case, the electronic device 100 may be mistakenly identified as being placed on the metal surface as having a finger or foreign object in the detection zone 10a. Consequently, when the electronic device 100 is folded up on the metal surface, it cannot be folded up properly due to the misjudgment of the presence of a finger or foreign object in the detection zone 10a. It should be noted that this embodiment is only described for ease of understanding, using the electronic device 100 placed on a metal surface as an example, and is not intended to limit the application scenario of the electronic device 100 of this application.

[0076] The controller 70 is electrically connected to the capacitance sensor 60. Specifically, the controller 70 is configured to: when the first capacitance value is greater than or equal to a first threshold, the controller 70 controls the drive mechanism 30 to move the second housing 14 relative to the first housing 12 toward a folded position; when the first capacitance value is less than the first threshold and the second capacitance value is greater than or equal to the second threshold, the controller 70 controls the drive mechanism 30 to move the second housing 14 relative to the first housing 12 toward an unfolded position or controls the drive mechanism 30 to stop moving the second housing 14 relative to the first housing 12.

[0077] It should be noted that the first threshold and the second threshold can be set based on the capacitance values ​​measured by the capacitance sensor 60 when the electronic device 100 is placed in an environment such as a metal platform or when a finger is placed in the detection area 10a. By comparing the first capacitance value detected by the capacitance sensor 60 with the first threshold, it is determined whether the electronic device 100 is placed on a metal platform. Correspondingly, by comparing the second capacitance value detected by the capacitance sensor 60 with the second threshold, it is determined whether a finger or foreign object is present in the detection area 10a. Specifically, when the electronic device 100 is placed on a metal platform, the controller 70 controls the drive mechanism 30 to move the second housing 14 relative to the first housing 12 towards a retracted position. When the electronic device 100 is not placed on a metal platform, the capacitance sensor 60 obtains the second capacitance value through the second radiator 50.

[0078] In some implementations, if a finger or foreign object is present in the detection area 10a, the second capacitance value is greater than or equal to the second threshold. The drive mechanism 30 will then cease driving the second housing 14 relative to the first housing 12 toward the retracted position, effectively reducing the likelihood of the user's finger being pinched and also preventing the drive mechanism 30 from being damaged by a large reaction force.

[0079] In some implementations, combined Figure 6 As shown, the displacement of the second housing 14 from the unfolded position to the middle position is the first displacement D1, and the displacement of the second housing 14 from the middle position to the folded position is the second displacement D2. The first displacement D1 is greater than the second displacement D2, so the width of the detection area 10a in the first direction (i.e., the second displacement D2) is a suitable proportion to the overall movement stroke of the second housing 14 relative to the first housing 12. Specifically, since the capacitive sensor 60 obtains the second capacitance value through the second radiator 50 during the process of the second housing 14 moving relative to the first housing 12 from the middle position to the folded position driven by the drive mechanism 30, the capacitive sensor 60 performs detection during the second displacement D2 of the second housing 14, without needing to detect the detection area 10a during the first displacement D1 of the second housing 14, thereby reducing power consumption.

[0080] In some embodiments, the value of the second displacement D2 ranges from 0.5cm to 2.0cm, such as 0.5cm, 0.7cm, 0.9cm, 1.2cm, 1.5cm, 1.7cm, 1.9cm, or 2.0cm. In this embodiment, controlling the value range of the second displacement D2 to 1.2cm to 2.0cm ensures that the detection area 10a has sufficient detection width in the first direction to avoid the capacitive sensor 60 only detecting after a finger is pinched. At the same time, it also avoids the detection area 10a having too large a sufficient detection width in the first direction, which would cause unnecessary energy waste.

[0081] In some embodiments, the controller 70 is electrically connected to an antenna switch and a radio frequency (RF) processing circuit. The antenna switch is connected between the second radiator 50 and the RF processing circuit and is used to switch the operating state of the second radiator 50. Specifically, when the second housing 14 is in the unfolded position, the antenna switch electrically connects the second radiator 50 to the RF processing circuit, enabling the RF processing circuit to transmit RF signals through the second radiator 50, thereby improving the signal transmission efficiency of the electronic device 100 during the unfolding and use of the flexible screen 20. When the second housing 14 leaves the unfolded position, the antenna switch disconnects the second radiator 50 from the RF processing circuit. Specifically, the second radiator 50 and the RF processing circuit are in a state of electrical signal disconnection. At this time, the capacitance sensor 60 can stably sense the capacitance change in the detection area 10a through the second radiator 50. The antenna switch can be a switching element built into the electronic device 100 and controlled by the controller 70. In some embodiments, the user can control the antenna switch by using buttons on the electronic device 100, thereby enabling or disabling the function of the second radiator 50 in transmitting RF signals as needed.

[0082] In some embodiments, the second radiator 50 may also be connected to the second housing 14 and fixed relative to the second sidewall 14a.

[0083] See again Figure 2 and Figure 4 As shown, the shell assembly 10 includes a plate 16. When the second shell 14 is in the unfolded position, the plate 16 is at least partially exposed between the first sidewall 12a and the second sidewall 14a. This plate 16 prevents the internal structure of the electronic device 100 from being exposed between the first sidewall 12a and the second sidewall 14a. Specifically, when the second shell 14 is in the unfolded position, the plate 16 provides the external surface of the electronic device 100 to maintain the overall aesthetic integrity of the electronic device 100. Understandably, when the second shell 14 is in the retracted position, the plate 16 is hidden within the first shell 12 and the second shell 14. In this case, the first shell 12 and the second shell 14 constitute the external surface of the electronic device 100.

[0084] The plate 16 may be integrally formed with the second housing 14, or it may be connected to the second housing 14 by means of adhesive or screws. In other embodiments, both the first housing 12 and the second housing 14 are slidably connected to the plate 16, thereby the plate 16 can provide stable support for the sliding between the first housing 12 and the second housing 14.

[0085] Continue reading Figure 2 and Figure 4 As shown, the electronic device 100 is equipped with a traction member 80, which is located at the end of the first housing 12 away from the second housing 14. During the process of the second housing 14 switching from a folded position to an unfolded position relative to the first housing 12, the traction member 80 can traction the flexible screen 20 to deform, so that the unfolded portion of the flexible screen 20 on the second housing 14 is flat. When the second housing 14 is in the folded position, the free end 204 of the flexible screen 20 bypasses the traction member 80, which can limit the bending radius of the flexible screen 20 within a suitable range to avoid damage to the flexible screen 20 due to an excessively small bending radius. Of course, the traction member 80 can also prevent the flexible screen 20 from having an excessively large bending radius, which would result in an excessively large thickness of the electronic device 100.

[0086] In some embodiments, the traction member 80 may be a rotating shaft structure with protruding teeth, and the flexible screen 20 is linked with the traction member 80 through engagement or other means. When the second housing 14 slides relative to the first housing 12, the flexible screen 20 engaged with the traction member 80 is driven to move and be extended from or retracted into the housing assembly 10.

[0087] In other embodiments, the traction member 80 is a round shaft without teeth. During the transition of the second housing 14 from the retracted position to the unfolded position, the traction member 80 expands a portion of the flexible screen 20 that is attached to it, thereby exposing more of the flexible screen 20 to the outside of the housing assembly 10 and keeping it flat. In this embodiment, the traction member 80 is rotatably mounted on the second housing 14. During the gradual unfolding of the flexible screen 20, the traction member 80 can rotate with the movement of the flexible screen 20 to reduce the resistance encountered by the flexible screen 20 during unfolding and to reduce wear at the contact points between the traction member 80 and the flexible screen 20.

[0088] In some embodiments, the traction member 80 may also be fixed to the first housing 12, and the traction member 80 has a smooth surface. During the unfolding of the flexible screen 20, the traction member 80 slidably contacts the flexible screen 20 through its smooth surface. In other words, in this embodiment, the traction member 80 may be integrally formed or welded to the first housing 12, and the traction member 80 can be regarded as part of the first housing 12. The free end 204 of the flexible screen 20 bypasses the end of the first housing 12 away from the second housing 14 and extends into the housing assembly 10.

[0089] In embodiments where the shell assembly 10 includes a plate 16, the plate 16 is provided with a second radiator 50, for example, in conjunction with... Figures 5 to 8 As shown, a second radiator 50 is provided on both the side 16a of the plate 16 facing away from the flexible screen 20 and the side 16b of the plate 16 facing the flexible screen 20. It should be noted that in some embodiments, only one of the side 16a of the plate 16 facing away from the flexible screen 20 and the side 16b of the plate 16 facing the flexible screen 20 is provided with the second radiator 50.

[0090] The second radiator 50 can be located at the position where it overlaps with the plate 16 in the first housing 12, or it can be located at the position where it overlaps with the plate 16 in the second housing 14. The overlapping position of the two objects refers to the area where the orthographic projections of the two objects in the detection area 10a overlap.

[0091] Combination Figure 7 and Figure 8 As shown, in some embodiments, at least one of the first sidewall 12a and the second sidewall 14a is provided with a buffer 18. The material of the buffer 18 can be rubber, latex, EVA (Ethylene Vinyl Acetate), or EPS (Expanded Polystyrene), etc. Utilizing the good cushioning performance of the buffer 18, the electronic device 100 as a whole has good drop resistance when the second housing 14 is in the folded position. Specifically, since the buffer 18 is located between the first sidewall 12a and the second sidewall 14a, when the second housing 14 is in the folded position, the buffer 18 can mitigate the hard impact between the first sidewall 12a and the second sidewall 14a, thus achieving a cushioning effect.

[0092] In an embodiment where a buffer member 18 is provided on the first sidewall 12a, a second radiator 50 may be provided on the side of the buffer member 18 facing away from the first sidewall 12a. Correspondingly, in an embodiment where a buffer member 18 is provided on the second sidewall 14a, a second radiator 50 may be provided on the side of the buffer member 18 facing away from the second sidewall 14a.

[0093] The first radiator 40 and the second radiator 50 can be made of the same material. Specifically, in order to obtain good detection results, the first radiator 40 and the second radiator 50 are antennas. The following explanation uses the second radiator 50 as an example.

[0094] The second radiator 50 can be an FPC antenna, which is an antenna manufactured on a corresponding structural component using FPC technology. Specifically, the technical principle of FPC technology is to use a patterned printed circuit board made of a flexible substrate, consisting of an insulating substrate and a conductive layer. An adhesive can be used between the insulating substrate and the conductive layer to attach it to the location where the antenna needs to be placed. FPC antennas are thin, flexible, and low in cost. In this embodiment, the FPC antenna can be disposed within the first housing 12 or the second housing 14, as long as it is aligned with the detection area 10a and meets the requirement that the capacitive sensor 60 senses the SAR value of the detection area 10a through the second radiator 50.

[0095] In some embodiments, the second radiator 50 can be a PDS antenna, which is an antenna fabricated on a corresponding structural component using PDS technology. Specifically, conductive silver paste is applied to the surface of structures such as the first sidewall 12a, the second sidewall 14a, the plate 16, or the buffer 18, and then multiple layers of silver paste are printed to form a conductive three-dimensional circuit. Finally, the second radiator 50 is fabricated by thermosetting. Since PDS antennas can directly print circuits without requiring special laser-modified materials, costs can be reduced.

[0096] It should be noted that, in the above embodiments, the use of the first radiator 40, the second radiator 50, the capacitive sensor 60 and the controller 70 of the electronic device 100 of this application can effectively prevent the user's fingers from being pinched by the mutually moving first housing 12 and second housing 14, and can reduce the probability of misjudging the presence of fingers or foreign objects in the detection area 10a when the electronic device 100 is placed on a metal table. Therefore, the flexible screen 20 is not necessary for the electronic device 100 to achieve the purpose of anti-pinch, that is, the flexible screen 20 can be omitted in some embodiments of the electronic device 100.

[0097] Based on the above-described electronic device 100, another embodiment of this application provides a control method for controlling the above-described electronic device 100. This control method can effectively prevent users from getting their fingers pinched while using the electronic device 100.

[0098] Specifically, in combination Figure 9 As shown, the control method includes the following steps:

[0099] Step S102: Receive control operation information and control the drive mechanism 30 to drive the second housing 14 to move relative to the first housing 12 toward the folded position according to the control operation information.

[0100] It should be noted that in embodiments where the electronic device 100 includes the flexible screen 20, the first operation control information is a control command related to controlling the retraction operation of the flexible screen 20. For example, the control operation information can be input by the user clicking, sliding, or dragging the operation interface of the flexible screen 20 into the electronic device 100, or it can be input by operating the buttons of the electronic device 100. In some application scenarios, when the user slides two fingers on the flexible screen 20 in a direction closer to each other, the drive mechanism 30 will drive the second housing 14 to move relative to the first housing 12 towards a retracted position to retract the flexible screen 20. In embodiments where the electronic device 100 does not include the flexible screen 20, the first operation control information can be a control command related to the movement of the second housing 14 relative to the first housing 12 towards a retracted position.

[0101] In step S104, during the process of the drive mechanism 30 driving the second housing 14 to move relative to the first housing 12 to the retracted position, the capacitance sensor 60 of the electronic device 100 obtains the first capacitance value through the first radiator 40.

[0102] In some implementations, after obtaining the first capacitance value, specifically after step S104, by determining whether the first capacitance value is greater than the first threshold, it can be determined whether the electronic device 100 is placed on the metal table so that the electronic device 100 can perform subsequent operations.

[0103] If the first capacitance value is greater than or equal to the first threshold, then step S106 is executed, controlling the drive mechanism 30 to drive the second housing 14 to move relative to the first housing 12 toward the retracted position.

[0104] When the first threshold is the capacitance value measured by the capacitance sensor 60 when the electronic device 100 is placed on the metal table, if the first capacitance value is greater than or equal to the first threshold, it means that the electronic device 100 is placed on the metal table. At this time, the metal table does not affect the folding operation of the electronic device 100, and then the drive mechanism 30 will continue to drive the second housing 14 to move relative to the first housing 12 toward the folding position.

[0105] Otherwise, step S108 is executed, whereby the capacitance sensor 60 obtains the second capacitance value through the second radiator 50.

[0106] If the second capacitance value of the capacitive sensor 60 is the first value when the user's finger approaches the detection area 10a, and the second capacitance value of the capacitive sensor 60 is the second value when the user's finger does not approach the detection area 10a, then the first value and the second value will differ due to the influence of the finger approaching the detection area 10a. The second threshold can be reasonably configured based on the first value and the second value so as to determine whether the user's finger is approaching the detection area 10a based on the second capacitance value detected by the capacitive sensor 60.

[0107] Specifically, after obtaining the second capacitance value, or more precisely, after step S108, by determining whether the second capacitance value is greater than the second threshold, it can be determined whether there is a finger or foreign object in the detection area 10a.

[0108] If the second capacitance value is greater than or equal to the second threshold, then step S110 is executed, controlling the drive mechanism 30 to drive the second housing 14 relative to the first housing 12 toward the unfolded position, or controlling the drive mechanism 30 to stop driving the second housing 14 relative to the first housing 12. Otherwise, step S106 is executed, that is, controlling the drive mechanism 30 to drive the second housing 14 relative to the first housing 12 toward the folded position.

[0109] When a finger or foreign object is detected in the detection area 10a, the second capacitance value is greater than or equal to the second threshold. The drive mechanism 30 will no longer drive the second housing 14 to move relative to the first housing 12 toward the retracted position, thereby effectively reducing the probability of the user's finger being pinched. At the same time, it also avoids the drive mechanism 30 being damaged by a large reaction force.

[0110] In some embodiments, where the electronic device 100 includes a flexible screen 20, the controller 70 is electrically connected to the flexible screen 20 and can use the flexible screen 20 to display prompts to remind the user that an abnormality has occurred during the retraction process of the electronic device 100.

[0111] Specifically, the control method also includes the following steps:

[0112] If the second capacitance value is greater than or equal to the second threshold, the flexible screen 20 is controlled to display a reminder interface to alert the user that there is an abnormality in the detection area 10a.

[0113] It should be noted that the method of notifying the user of an anomaly in the detection area 10a can be through graphics or animation. For example, when a hand-pinching anomaly occurs in the detection area 10a, the flexible screen 20 displays an image or animation of a hand being pinched, vividly and engagingly reminding the user. In some embodiments, the notification of an anomaly in the detection area 10a can also be achieved through text or screen flashing.

[0114] It should be noted that the acquisition of the first capacitance value and the second capacitance value can be performed simultaneously or in stages. When the acquisition of the first capacitance value and the second capacitance value is simultaneous, it can be during the entire process of the second housing 14 moving relative to the first housing 12 towards the retracted position, or it can be during the process of the second housing 14 moving relative to the first housing 12 from the middle position towards the retracted position. During this process, the capacitance sensor 60 continuously or intermittently acquires the first capacitance value and the second capacitance value through the first radiator 40 and the second radiator 50.

[0115] In embodiments where the acquisition of the first and second capacitance values ​​is performed in steps, the second capacitance value can be acquired after the first capacitance value is determined and certain conditions are met. For example, when the first capacitance value is less than a first threshold, the capacitance sensor 60 acquires the second capacitance value through the second radiator 50. In this way, the capacitance sensor 60 does not need to continuously acquire the second capacitance value through the second radiator 50, thereby effectively saving power consumption and extending the service life of the capacitance sensor 60. It is understood that since a first capacitance value greater than or equal to the first threshold indicates that the electronic device 100 is placed on a metal table, and a first capacitance value less than the first threshold indicates that the electronic device 100 is not placed on a metal table, in this embodiment, the acquisition of the second capacitance value can be considered to occur after it is determined that the electronic device 100 is not placed on a metal table. This effectively eliminates the interference caused by the electronic device 100 being placed on a metal table to the detection area 10a, avoiding the misjudgment that the detection area 10a contains a finger or foreign object when the electronic device 100 is placed on a metal table.

[0116] Whether the acquisition of the first and second capacitance values ​​is synchronized is not specified here. For ease of understanding, a control method based on the control electronic device 100 is further provided below, specifically, in conjunction with... Figure 10 As shown, the control method includes the following steps:

[0117] Step S202: Receive control operation information and control the drive mechanism 30 to drive the second housing 14 to move relative to the first housing 12 toward the folded position according to the control operation information.

[0118] In step S204, during the process of the drive mechanism 30 driving the second housing 14 to move relative to the first housing 12 towards the retracted position, the capacitance sensor 60 of the electronic device 100 obtains the first capacitance value through the first radiator 40 and the second capacitance value through the second radiator 50 to obtain the second capacitance value.

[0119] After obtaining the first capacitance value and the second capacitance value, a conditional judgment is performed. Specifically, it is determined whether the following conditions are met: the first capacitance value is less than the first threshold and the second capacitance value is greater than or equal to the second threshold.

[0120] If the first capacitance value is less than the first threshold and the second capacitance value is greater than or equal to the second threshold, then step S206 is executed, controlling the drive mechanism 30 to drive the second housing 14 relative to the first housing 12 toward the unfolded position, or controlling the drive mechanism 30 to stop driving the second housing 14 relative to the first housing 12. Otherwise, step S208 is executed, controlling the drive mechanism 30 to drive the second housing 14 relative to the first housing 12 toward the folded position.

[0121] The above control method can effectively prevent the drive mechanism 30 from continuing to drive the second housing 14 relative to the first housing 12 toward the folded position when there are fingers or foreign objects in the detection area 10a, thus preventing pinching or damage to the electronic device 100. At the same time, it avoids misjudgment caused by the metal environment outside the detection area 10a when detecting inside the detection area 10a, which would prevent it from folding properly, thus effectively improving the user experience of using the electronic device 100.

[0122] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0123] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An electronic device, characterized in that, include: The shell assembly includes a first shell and a second shell that are movably connected; A driving mechanism is used to drive the second housing to move relative to the first housing in a first direction to an unfolded position and a retracted position. In the unfolded position, a detection area is formed on the back of the housing assembly. As the second housing moves toward the retracted position, the width of the detection area in the first direction gradually decreases. A first radiator is disposed on the shell assembly and located outside the detection area; A capacitive sensor is electrically connected to the first radiator. When the second housing moves relative to the first housing towards the retracted position, the capacitive sensor obtains a first capacitance value through the first radiator. A second radiator is disposed on the shell assembly and located within the detection area. The second radiator is electrically connected to the capacitance sensor, and the capacitance sensor obtains a second capacitance value through the second radiator. and A controller, electrically connected to the capacitance sensor, is configured to: when the first capacitance value is greater than or equal to a first threshold, control the drive mechanism to move the second housing relative to the first housing toward the folded position; when the first capacitance value is less than the first threshold and the second capacitance value is greater than or equal to a second threshold, control the drive mechanism to move the second housing relative to the first housing toward the unfolded position or control the drive mechanism to stop moving the second housing relative to the first housing, wherein the first threshold is set based on the capacitance value obtained by the capacitance sensor when the electronic device is placed on a metal table.

2. The electronic device according to claim 1, characterized in that, The second housing has an intermediate position relative to the first housing during the movement between the unfolded position and the retracted position. The displacement of the second housing from the unfolded position to the intermediate position is the first displacement, and the displacement of the second housing from the intermediate position to the retracted position is the second displacement. The first displacement is greater than the second displacement. At the intermediate position, the first housing and the second housing form a gap on the back of the shell assembly. The area of ​​the shell assembly corresponding to the gap defines the detection area.

3. The electronic device according to claim 2, characterized in that, In the first direction, the first housing has a first sidewall facing the side where the second housing is located, and the second housing has a second sidewall facing the side where the first housing is located. In the intermediate position, the first sidewall and the second sidewall are spaced apart from each other to define the detection area between them.

4. The electronic device according to claim 1, characterized in that, At least one of the first radiator and the second radiator includes an FPC antenna or a PDS antenna.

5. The electronic device according to claim 3, characterized in that, The second radiator is connected to the first housing and fixed relative to the first sidewall; Alternatively, the second radiator is connected to the second housing and fixed relative to the second sidewall.

6. The electronic device according to claim 3, characterized in that, In the retracted position, the first sidewall is in contact with the second sidewall; Alternatively, in the folded position, there is a gap between the first sidewall and the second sidewall, and the width of the gap is less than or equal to 1 mm.

7. The electronic device according to claim 1, characterized in that, There are multiple first radiators, and the multiple first radiators are disposed on the back side of the shell assembly.

8. The electronic device according to any one of claims 1 to 7, characterized in that, Includes a flexible screen connected to a first housing and a second housing, wherein at least a portion of the structure of the flexible screen extends from or retracts into the housing assembly as the first housing and the second housing move relative to each other.

9. The electronic device according to claim 8, characterized in that, The flexible screen has a display interface exposed on the shell assembly. The controller is electrically connected to the flexible screen. When the second capacitance value is greater than or equal to the second threshold, the controller controls the flexible screen to display a reminder interface on the display interface to remind the user that there is an abnormality in the detection area.

10. The electronic device according to claim 1, characterized in that, When the first capacitance value is less than the first threshold, the capacitance sensor obtains the second capacitance value through the second radiator.

11. A control method for controlling electronic equipment, characterized in that, The electronic device includes a housing assembly and a driving mechanism disposed on the housing assembly. The housing assembly includes a first housing and a second housing that are movably connected. The second housing can move relative to the first housing in a first direction to an unfolded position and a retracted position under the drive of the driving mechanism. In the unfolded position, a detection area is formed on the back of the housing assembly. When the second housing moves toward the retracted position, the width of the detection area in the first direction gradually decreases. The control method includes the following steps: Receive control operation information, and control the drive mechanism to move the second housing relative to the first housing toward the retracted position according to the control operation information; During the process of the driving mechanism driving the second housing to move relative to the first housing towards the retracted position, the capacitance sensor of the electronic device obtains a first capacitance value outside the detection area through the first radiator; Determine whether the first capacitance value is greater than the first threshold, wherein the first threshold is set based on the capacitance value obtained by the capacitance sensor when the electronic device is placed on a metal table. If the first capacitance value is greater than or equal to the first threshold, the driving mechanism is controlled to drive the second housing relative to the first housing toward the retracted position; otherwise, the capacitance sensor obtains the second capacitance value in the detection area through the second radiator. Determine whether the second capacitance value is greater than the second threshold; If the second capacitance value is greater than or equal to the second threshold, control the drive mechanism to drive the second housing relative to the first housing toward the unfolded position or control the drive mechanism to stop driving the second housing relative to the first housing; otherwise, control the drive mechanism to drive the second housing relative to the first housing toward the folded position.

12. A control method for controlling electronic equipment, characterized in that, The electronic device includes a housing assembly and a driving mechanism disposed on the housing assembly. The housing assembly includes a first housing and a second housing that are movably connected. The second housing can move relative to the first housing in a first direction to an unfolded position and a retracted position under the drive of the driving mechanism. In the unfolded position, a detection area is formed on the back of the housing assembly. When the second housing moves toward the retracted position, the width of the detection area in the first direction gradually decreases. The control method includes the following steps: Receive control operation information, and control the drive mechanism to move the second housing relative to the first housing toward the retracted position according to the control operation information; During the process of the driving mechanism driving the second housing to move relative to the first housing towards the retracted position, the capacitance sensor of the electronic device obtains a first capacitance value outside the detection area through the first radiator, and the capacitance sensor obtains a second capacitance value inside the detection area through the second radiator; Determine whether the following conditions are met: the first capacitance value is less than the first threshold and the second capacitance value is greater than or equal to the second threshold, wherein the first threshold is set based on the capacitance value obtained by the capacitance sensor when the electronic device is placed on a metal table. If the first capacitance value is less than the first threshold and the second capacitance value is greater than or equal to the second threshold, control the driving mechanism to drive the second housing relative to the first housing toward the unfolded position or control the driving mechanism to stop driving the second housing relative to the first housing; otherwise, control the driving mechanism to drive the second housing relative to the first housing toward the folded position.

13. The control method according to claim 11 or 12, characterized in that, The electronic device includes a flexible screen connected to a first housing and a second housing. At least a portion of the structure of the flexible screen extends from or retracts into the housing assembly as the first housing and the second housing move relative to each other. The control method further includes the step of: If the second capacitance value is greater than or equal to the second threshold, the flexible screen is controlled to display a reminder interface to alert the user that there is an abnormality in the detection area.

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