Hinge structure, electronic equipment and sand blowing method

By introducing vibrating parts into the articulated structure of the folding electronic device to generate disturbed airflow, automatically cleaning up particulate matter in the cavity, solving the problem that the hinge structure is easily invaded in the sand and dust environment, and improving the reliability and service life of the equipment.

CN119947017APending Publication Date: 2025-05-06LENOVO (BEIJING) LTD
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Patent Information

Application Number
CN202510239188.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2025-05-06

AI Technical Summary

Technical Problem

The hinge structure of folding electronic equipment is easily invaded by particulate matter in a sand and dust environment, causing the hinge to not rotate normally, affecting the user experience of the equipment, and it is difficult for traditional cleaning methods to effectively clean the internal particulate matter.

Method used

A hinged structure is designed, including a base, a hinge cover, a rotating shaft and a vibrator. The disturbed airflow generated by the vibrator drives the particles in the cavity to be discharged through the gap to achieve automatic cleaning of the interior of the hinged structure.

Benefits of technology

Effectively avoid particulate matter entering the hinge structure, ensure the normal operation of the hinge, improve the reliability and service life of the equipment, and simplify the cleaning process without the need for complicated cleaning devices or additional maintenance operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a hinge structure, electronic equipment and a sand blowing method, the hinge structure is applied to the electronic equipment, the hinge structure comprises a base arranged between a first shell and a second shell of the electronic equipment, the first shell and the second shell can rotate relatively, and the first shell and the second shell can rotate relatively. The base comprises a first surface and a second surface which are oppositely arranged; the hinge cover is arranged between the first shell and the second shell, a first gap is formed between the hinge cover and the first shell as well as between the hinge cover and the second shell, the hinge cover is connected with the first surface of the base, a cavity is formed between the hinge cover and the first surface, and the cavity is communicated with the first gap. Through the disturbance airflow generated by the vibration piece, the particles in the hinge structure can be automatically discharged, the situation that normal work of the hinge structure is affected by particle accumulation is avoided, the reliability of the electronic equipment is improved, and the service life of the electronic equipment is prolonged.
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Description

Technical Field

[0001] The present application relates to an articulated structure, an electronic device and a sand blowing method. Background Art

[0002] In the structural design of foldable electronic devices, hinges play a key role in connection and rotation support. Due to the characteristic requirements of hinge rotation, the movable gap required for its rotation always exists between the hinge cover and the upper / lower cover or left / right cover of the folding machine. Although this gap ensures that the hinge can rotate smoothly, meets its functional needs and avoids interference, it also inadvertently creates many sand ingress channels.

[0003] When the device is in a dusty environment, particles can easily invade through these channels. If a large amount of particles enter or the particles are large, once they fall into the moving structure, such as the sliding track or the gear gap of the gear transmission, it will directly cause the hinge to fail to rotate normally or operate poorly, seriously affecting the user experience of the device. What's more troublesome is that some particles may also penetrate between the folding soft screen and the hinge. When the soft screen is flipped, the particles will squeeze the back of the soft screen, causing abnormal points or lines to appear on the soft screen, causing the display function to malfunction. It is difficult to clean the particles inside the hinged structure using traditional methods because the particles are relatively hidden and the cleaning operation is more difficult. Summary of the invention

[0004] The purpose of the embodiment of the present application is to provide a hinge structure, which is applied to electronic equipment. The hinge structure includes:

[0005] A base is arranged between a first housing and a second housing of the electronic device, wherein the first housing and the second housing can rotate relative to each other, and the base includes a first surface and a second surface arranged opposite to each other;

[0006] A hinge cover is disposed between the first shell and the second shell and forms a first gap between the first shell and the second shell, the hinge cover is connected to the first surface of the base and forms a cavity between the hinge cover and the first surface, and the cavity is connected to the first gap;

[0007] A rotating shaft, disposed on the base and connected to the first shell and the second shell respectively;

[0008] A vibrating member is arranged on the second surface of the base. When it is determined that the first shell and the second shell are in a closed state, the vibrating member is used to generate a disturbed airflow by vibration after being powered on. The disturbed airflow is used to drive the particles in the cavity to be discharged through the first gap.

[0009] As an optional embodiment, a through hole is provided on the base, and the setting position of the vibrating member corresponds to the setting of the through hole, so that the disturbed airflow passes through the through hole and enters the cavity.

[0010] As an optional embodiment, the cavity includes a front cavity and an air flow channel, the through hole forms the front cavity, the air flow channel is formed between the base and the hinge cover, and the disturbed air flow flows from the front cavity to the air flow channel and is discharged through the first gap.

[0011] As an optional embodiment, a sealing ring for sealing is provided between the base and the first shell and the second shell.

[0012] As an optional embodiment, a deformable conductive member is provided on a side of the vibrating member away from the base, and the conductive member is connected to a power supply member in the electronic device.

[0013] As an optional embodiment, the vibration members are provided in two groups, and the two groups of the vibration members are arranged along the first direction and / or the second direction of the base.

[0014] A plurality of vibration plates are provided in each group, and the plurality of vibration plates are arranged along the first direction and / or the second direction of the base, wherein the first direction is different from the second direction.

[0015] As an optional embodiment, the hinge cover is a shell structure, the base is a plate structure, the projection area of ​​the hinge cover in the third direction is larger than the projection area of ​​the base in the third direction, wherein the third direction is perpendicular to the axial direction of the rotating shaft.

[0016] The purpose of the embodiment of the present application is to provide an electronic device, the electronic device comprising:

[0017] first shell;

[0018] a second housing, which is rotatable relative to the first housing;

[0019] A base, disposed between the first shell and the second shell, the base comprising a first surface and a second surface disposed opposite to each other;

[0020] A hinge cover is disposed between the first shell and the second shell and forms a first gap between the first shell and the second shell, the hinge cover is connected to the first surface of the base and forms a cavity between the hinge cover and the first surface, and the cavity is connected to the first gap;

[0021] A rotating shaft, disposed on the base and connected to the first shell and the second shell respectively;

[0022] a vibrator, disposed on the second surface of the base, and configured to generate a disturbed airflow by vibration after being powered on when the first housing and the second housing are determined to be in a closed state, wherein the disturbed airflow is configured to drive the particles in the cavity to be discharged through the first gap;

[0023] A circuit board is connected to the first shell and the second shell respectively, and is connected to the vibration element, and is used to supply power to the vibration element.

[0024] As an optional embodiment, one end of the circuit board close to the base is a bent portion, and a portion of the bent portion extends in a direction close to the vibrating member to form a conductive portion connected to the vibrating member.

[0025] The purpose of the embodiment of the present application is to provide a sand blowing method, which is applied to electronic equipment, and the method comprises:

[0026] When it is determined that the electronic device is in a first state, obtaining feedback audio, wherein the feedback audio is a feedback result of playing a test audio, and the first state represents a current usage state of the electronic device;

[0027] Comparing the feedback audio with a target audio, wherein the target audio is a feedback result of playing the test audio when no particulate matter enters the electronic device;

[0028] When it is determined that the feedback audio does not match the target audio, a sand blowing function of the electronic device is enabled to expel particles entering the electronic device. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic structural diagram of a hinge structure according to an embodiment of the present application;

[0030] Figure 2 An exploded schematic diagram of a portion of a hinge structure according to an embodiment of the present application;

[0031] Figure 3 This is a schematic diagram of the structure of the connection between the vibrating member, the conductive member and the power supply member of the embodiment of the present application;

[0032] Figure 4 A schematic diagram of the structure of an electronic device according to an embodiment of the present application;

[0033] Figure 5 A cross-sectional view of an electronic device according to an embodiment of the present application;

[0034] Figure 6 The process of the sand blowing method of the embodiment of the present application is as follows Figure 1 ;

[0035] Figure 7The process of the sand blowing method of the embodiment of the present application is as follows Figure 2 .

[0036] in,

[0037] 1. Base; 1-1. First surface; 1-2. Second surface; 1-3. Through hole; 2. Hinge cover; 3. First gap; 4. Cavity; 5. Vibrating member; 6. Conductive member; 7. Sealing ring; 8-1. First shell; 8-2. Second shell; 9. Circuit board (power supply member); 9-1. Bending portion; 9-2. Conductive portion. DETAILED DESCRIPTION

[0038] Various aspects and features of the present application are described herein with reference to the accompanying drawings.

[0039] It should be understood that various modifications may be made to the embodiments of the present application. Therefore, the above description should not be considered as limiting, but only as an example of the embodiments. Other modifications within the scope and spirit of the present application will occur to those skilled in the art.

[0040] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present application and, together with the general description of the present application given above and the detailed description of the embodiments given below, serve to explain the principles of the present application.

[0041] These and other characteristics of the present application will become apparent from the following description of a preferred form of embodiment given as a non-limiting example with reference to the accompanying drawings.

[0042] It should also be understood that although the present application has been described with reference to some specific examples, those skilled in the art will be able to readily implement many other equivalent forms of the present application.

[0043] The above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.

[0044] Specific embodiments of the present application are described hereinafter with reference to the accompanying drawings; however, it should be understood that the embodiments applied for are merely examples of the present application, which may be implemented in a variety of ways. Well-known and / or repeated functions and structures are not described in detail to avoid unnecessary or redundant details that obscure the present application. Therefore, the specific structural and functional details applied for herein are not intended to be limiting, but merely serve as a basis and representative basis for the claims to teach those skilled in the art to use the present application in a variety of ways with substantially any suitable detailed structure.

[0045] This specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," all of which may refer to one or more of the same or different embodiments according to the present application.

[0046] In the prior art, in order to allow the hinge of a foldable electronic device to flip normally mechanically, prevent sand from entering or minimize the entry of sand into the hinge mechanism, and protect the mechanical mechanism and flexible screen functions at the same time, two methods are usually used, but both methods have problems.

[0047] One method is to attach a brush to the hinge cover, fix one end of the brush to the hinge cover with glue, and press the other end on the mating end surface of the upper / lower cover or left / right cover of the folder. However, in this method, during the flipping process of the folder, the brush repeatedly sweeps and the hinge mechanism continues to move, which will cause the lubricating oil in the mechanism to be brought to the exterior of the entire machine by the brush, dirtying the user's palm.

[0048] Moreover, in the initial stage of the whole machine, the gap between the hinge cover and related parts is relatively uniform, and the pressing force between the brush and related parts is appropriate. However, once the equipment falls or is used after fatigue, the gap between the parts will become uneven. In the local area with a small gap, the brush will be separated from the hinge cover and fall off due to excessive pressing force.

[0049] Another method is to reduce the gap between the hinge cover and the upper / lower cover or left / right cover of the folder, changing the gap from the conventional single-sided 0.3 mm to 0.15 mm. However, this method has very high requirements on the size, angle and torque accuracy of the hinge assembly, which reduces the qualified rate of the incoming materials and increases the unit price of the incoming materials. The assembly flatness, angle and straightness of the hinge and the upper / lower cover or left / right cover of the folder are very high, making it difficult to achieve the expected qualified rate of semi-finished product assembly.

[0050] In response to the above content, an embodiment of the present application provides a hinge structure, which is applied to electronic devices. The hinge structure is a connecting structure that enables two parts of the electronic device (such as the first shell 8-1 and the second shell 8-2) to rotate relative to each other. In the present invention, it is a key component for realizing the opening and closing function of the foldable electronic device.

[0051] like Figure 1 As shown, the hinge structure includes a base 1, a hinge cover 2, a rotating shaft ( Figure 1 Not shown) and vibrating member 5.

[0052] The base 1 is disposed between the first housing 8-1 and the second housing 8-2 of the electronic device. The first housing 8-1 and the second housing 8-2 can rotate relative to each other. The base 1 includes a first surface 1-1 and a second surface 1-2 disposed opposite to each other. The base 1 serves as a basic component of the hinge structure and plays a role in supporting and connecting other components (such as the hinge cover 2, the rotating shaft, etc.).

[0053] The hinge cover 2 is disposed between the first shell 8-1 and the second shell 8-2, and forms a first gap 3 between the first shell 8-1 and the second shell 8-2. The hinge cover 2 is connected to the first surface 1-1 of the base 1, and forms a cavity 4 between the hinge cover 2 and the first surface 1-1, and the cavity 4 is connected to the first gap 3. The cavity 4 is a closed or semi-closed space formed between the hinge cover 2 and the first surface 1-1 of the base 1, which is used to accommodate particles that may enter the hinged structure, and is also a space for disturbing airflow, so that the particles can be discharged under the drive of the airflow.

[0054] The rotating shaft is arranged on the base 1 and connected to the first housing 8-1 and the second housing 8-2 respectively. The first housing 8-1 and the second housing 8-2 can rotate relative to each other around the rotating shaft to realize the opening and closing action of the electronic device.

[0055] The vibrating member 5 is arranged on the second surface 1-2 of the base 1. When it is determined that the first shell 8-1 and the second shell 8-2 are in a closed state, the vibrating member 5 is used to generate a disturbed airflow by vibration after power is turned on. The disturbed airflow is used to drive the particles in the cavity 4 to be discharged through the first gap 3. Among them, particles generally refer to tiny solid substances that may enter the interior of the electronic device and affect its normal operation. Common particles include dust and sand. The disturbed airflow is an airflow with a certain flow direction and speed generated by the vibration of the vibrating member 5 when it is powered on. Its function is to drive the particles in the cavity 4 to move and discharge.

[0056] When the present application is in use, when the foldable electronic device is in use, the first shell 8-1 and the second shell 8-2 are in an unfolded state, at which time the hinge structure works normally to support the relative position of the two shells.

[0057] When the electronic device needs to be closed, the first housing 8 - 1 and the second housing 8 - 2 rotate relatively around the rotation axis and are finally in a closed state.

[0058] When it is determined that the first housing 8-1 and the second housing 8-2 are in the closed state, the vibration member 5 is powered on. After being powered on, the vibration member 5 starts to vibrate, and this vibration generates disturbed airflow.

[0059] Since the cavity 4 is connected to the first gap 3, the disturbed airflow will drive the particles (such as dust, impurities, etc.) in the cavity 4 to be discharged to the outside of the electronic device through the first gap 3, thereby playing a role in cleaning the cavity 4 inside the hinge structure.

[0060] For example, a folding screen mobile phone adopts the above hinge structure. The screen part of the mobile phone is divided into two areas, which are respectively arranged on the first shell 8-1 and the second shell 8-2. In daily use, the mobile phone screen is unfolded for various operations, such as browsing web pages, watching videos, etc. When the mobile phone is not in use, the mobile phone is folded.

[0061] At this time, the system detects that the mobile phone is in the folded state, and automatically energizes the vibration member 5. The vibration generated by the vibration member 5 causes the cavity 4 inside the hinge structure to generate disturbed airflow, and dust and other particles usually accumulated in the cavity 4 are discharged to the outside of the mobile phone through the first gap 3, thereby keeping the inside of the hinge structure clean, extending the service life of the mobile phone, and also ensuring the smoothness of the folding operation.

[0062] The present application uses the disturbed airflow generated by the vibrating member 5 to automatically discharge the particles in the hinge structure, thereby preventing the accumulation of particles from affecting the normal operation of the hinge structure, thereby improving the reliability and service life of the electronic equipment.

[0063] Furthermore, the design of the hinged structure is relatively simple, does not require complicated cleaning devices or additional maintenance operations, and achieves effective cleaning functions without increasing excessive costs, and has high practicality and market promotion value.

[0064] In one embodiment, if Figure 2 As shown, a through hole 1-3 is provided on the base 1, and the setting position of the vibrating member 5 corresponds to the setting of the through hole 1-3, so that the disturbed airflow passes through the through hole 1-3 and enters the cavity 4.

[0065] In this embodiment, the base 1 is a part of the hinged structure, and a through hole is processed thereon. The hole is used for airflow to pass through, and is an important component of the entire airflow channel.

[0066] The installation position of the vibrator 5 on the second surface 1-2 of the base 1 must correspond to the position of the through hole 1-3 opened on the base 1, so that the disturbed airflow generated by the vibrator 5 can enter the cavity 4 through the through hole 1-3, thereby realizing the conduction of the airflow and the driven discharge of particulate matter.

[0067] When the present application is used, when the first housing 8 - 1 and the second housing 8 - 2 of the foldable electronic device are in a closed state, the detection system determines this state and then energizes the vibration element 5 disposed on the second surface 1 - 2 of the base 1 .

[0068] After the vibration member 5 is powered on, it starts to vibrate and generates disturbed airflow. Since the position of the vibration member 5 corresponds to the through hole 1-3 on the base 1, the disturbed airflow directly passes through the through hole 1-3 and enters the cavity 4 formed by the hinge cover 2 and the first surface 1-1 of the base 1.

[0069] The disturbed airflow entering the cavity 4 flows in the cavity 4, pushing the particles (such as dust, impurities, etc.) in the cavity 4 to move toward the first slit 3 connected to the cavity 4. Under the action of the disturbed airflow, the particles are finally discharged to the outside of the electronic device through the first slit 3, completing the cleaning process of the cavity 4 inside the hinge structure.

[0070] The present application provides through holes 1-3 corresponding to the position of the vibrating member 5 on the base 1, so that the disturbed airflow can enter the cavity 4 more directly and efficiently, optimizes the airflow transmission path, and improves the cleaning efficiency. Without adding too much complex structure, a better cleaning function is achieved, which reflects the rationality and ingenuity of the structural design and is conducive to the actual production and application of the product.

[0071] In one embodiment, if Figure 1 As shown, the cavity 4 includes a front cavity and an air flow channel. The through holes 1-3 form the front cavity, and the air flow channel is formed between the base 1 and the hinge cover 2. The disturbed air flow flows from the front cavity to the air flow channel and is discharged through the first gap 3.

[0072] In this embodiment, the cavity 4 is composed of a front cavity and an airflow channel, and is a space for accommodating particles that may enter the hinged structure and disturbing the airflow, and its function is to discharge the particles driven by the airflow.

[0073] The front cavity is a space area formed by the through holes 1-3 on the base 1. It is the first area that the disturbed airflow enters after it is generated, and is also the starting part of the entire airflow channel.

[0074] The airflow channel is a space formed between the base 1 and the hinge cover 2, and is used to guide the airflow. It connects the front cavity and the first gap 3, and is the only way for the disturbed airflow to carry particles from the cavity 4 to the outside of the electronic device.

[0075] When the present application is used, when the first housing 8-1 and the second housing 8-2 of the foldable electronic device are in a closed state, the system detects this state and energizes the vibrating member 5 installed on the second surface 1-2 of the base 1. After being energized, the vibrating member 5 starts to vibrate and generates a disturbed airflow. Since the position of the vibrating member 5 corresponds to the through hole 1-3 on the base 1, the disturbed airflow first enters the front cavity formed by the through hole 1-3.

[0076] The disturbed airflow entering the front cavity continues to flow from the front cavity to the airflow channel formed between the base 1 and the hinge cover 2. In the airflow channel, the disturbed airflow pushes the particles (such as dust, impurities, etc.) present therein to flow together.

[0077] Finally, the disturbed airflow carrying the particles is discharged to the outside of the electronic device through the first gap 3 connected to the airflow channel, thereby cleaning the internal cavity 4 of the hinge structure.

[0078] The present application divides the cavity 4 into a front cavity and an airflow channel, clarifies the flow path of the disturbed airflow, enables the airflow to flow more orderly in the cavity 4, more effectively promotes the discharge of particles, and improves the efficiency of cleaning the interior of the hinged structure.

[0079] Moreover, the structural design of the cavity 4 is relatively clear and reasonable, the functions of each part are clear, and it is easy to process and assemble during the manufacturing process. At the same time, it is more convenient for later maintenance and overhaul, and the maintenance cost is reduced.

[0080] In one embodiment, if Figure 1 As shown, a sealing ring 7 for sealing is provided between the base 1 and the first shell 8 - 1 and the second shell 8 - 2 .

[0081] In this embodiment, the sealing ring 7 is an elastic sealing element, which is arranged between the base 1 and the first shell 8-1 and the second shell 8-2, and its function is to prevent dust, moisture, foreign matter, etc. from entering the electronic device, and play a sealing role. In addition, the setting of the sealing ring 7 will not affect the relative rotation of the first shell 8-1 and the second shell 8-2 around the rotation axis.

[0082] The sealing ring 7 can limit the path of the airflow to a certain extent, so that the disturbed airflow generated by the vibrator 5 is more inclined to be discharged along the preset direction, that is, through the first gap 3, thereby reducing the risk of damaging internal components or affecting their performance due to irregular airflow.

[0083] If the airflow is not guided, it may run around inside the device, causing impact or interference to some sensitive electronic components, circuits, etc. The sealing ring 7 can prevent the airflow from leaking at other unexpected locations between the base 1 and the housing, thereby ensuring that the airflow can effectively carry impurities and be discharged from the first gap 3, thereby improving the efficiency and pertinence of sand blowing.

[0084] The sealing effect provided by the sealing ring 7 can form a relatively closed space in the cavity 4 to a certain extent. When the vibrating member 5 generates airflow, the airflow pressure is more likely to accumulate and increase in the relatively closed cavity 4. This increased airflow pressure can more effectively push the impurities to be discharged through the first slit 3, and can also more effectively blow away some stubborn impurities attached to the inside of the cavity 4 or near the first slit 3.

[0085] When the present application is used, during the assembly process of the foldable electronic device, the sealing ring 7 is installed at the corresponding position between the base 1 and the first shell 8-1 and the second shell 8-2.

[0086] When the electronic device is in the unfolded state for use, the sealing ring 7 fits tightly between the base 1, the first shell 8-1 and the second shell 8-2 to form a sealing structure to prevent foreign matter such as dust and moisture from entering the interior of the electronic device.

[0087] When the electronic device needs to be closed, the first housing 8-1 and the second housing 8-2 rotate relative to each other around the rotation axis. During this process, the sealing ring 7 still maintains good sealing performance and continues to prevent foreign objects from entering. Even during the opening and closing of the device, due to the elasticity and good fit of the sealing ring 7, the sealing state can always be maintained to ensure the cleanliness and safety of the interior of the hinged structure.

[0088] The sealing ring 7 of the present application can effectively prevent dust, moisture, foreign matter, etc. from entering the interior of the electronic device, thereby improving the protection level of the foldable electronic device. In addition, the airflow generated by the vibrating member 5 can be accurately directed to the first gap 3, so that the airflow is concentrated and discharged from this specific channel, avoiding airflow dispersion, thereby more efficiently carrying impurities out of the device, reducing the possibility of impurities remaining inside the device.

[0089] In one embodiment, if Figure 2 and Figure 3 As shown, a deformable conductive member 6 is provided on a side of the vibrating member 5 away from the base 1 , and the conductive member 6 is connected to a power supply member in the electronic device.

[0090] In this embodiment, the conductive member 6 is a member having conductive properties and capable of certain deformation, and is disposed on a side of the vibrating member 5 away from the base 1, and is used to transmit current and supply power to the vibrating member 5. Its deformable property enables it to ensure effective connection with the power supply member to improve the stability of the power supply.

[0091] The power supply is a component inside the electronic device for providing electrical energy, such as a battery, a power module, etc. It is connected to the vibrating component 5 through the conductive component 6 to provide the vibrating component 5 with the power required for operation.

[0092] In this embodiment, the power supply component is a main FPC, that is, a main flexible printed circuit board 9 (Main Flexible Printed Circuit). The conductive component 6 can be a conductive spring or conductive foam.

[0093] When the present application is used, during the assembly process of the foldable electronic device, the deformable conductive member 6 is installed on the side of the vibration member 5 away from the base 1, and the conductive member 6 is connected to the power supply member in the electronic device to form a complete circuit connection.

[0094] When the electronic device is in the unfolded state for normal use, the conductive member 6 can adapt to the shape of the hinge structure due to its deformable characteristics and maintain a good connection with the vibrating member 5 and the power supply member. At this time, the vibrating member 5 is in an unpowered state.

[0095] When the user closes the first housing 8-1 and the second housing 8-2 of the electronic device, the detection system of the device detects the closing state. The detection system sends a signal to enable the power supply to supply power to the vibrating member 5 through the conductive member 6. Since the conductive member 6 can be deformed, even if the hinge structure undergoes a certain position change or angle adjustment during the closing of the housing, the conductive member 6 can still maintain good conductivity to ensure that the current is smoothly transmitted to the vibrating member 5.

[0096] After the vibration member 5 is powered on, it starts to vibrate, generating disturbed airflow, driving the particles in the cavity 4 to be discharged through the first gap 3, and completing the cleaning process. After the cleaning is completed, the detection system sends a signal again, stops the power supply member from supplying power to the vibration member 5, and the vibration member 5 stops working.

[0097] The deformable conductive part 6 of the present application can adapt to the position and structural changes of the electronic device during the opening and closing process, always maintain a good connection with the vibration part 5 and the power supply part, ensure that the vibration part 5 can stably obtain electrical energy when it needs to work, and ensure the reliable realization of the cleaning function.

[0098] Furthermore, the design of the deformable conductive member 6 provides more flexibility for the layout of the hinge structure and the overall design of the electronic device, and achieves a more compact and reasonable internal structure design without affecting the normal function of the device.

[0099] In one embodiment, two groups of the vibration members 5 are provided, and the two groups of the vibration members 5 are arranged along the first direction and / or the second direction of the base 1. Multiple vibration plates are provided in each group, and the multiple vibration plates are arranged along the first direction and / or the second direction of the base 1, wherein the first direction is different from the second direction.

[0100] In this embodiment, the first direction and the second direction refer to two different directions on the base 1, which are used to describe the layout position and direction of the vibrator 5. The direction here can be a horizontal direction, a vertical direction or any other different directions, which is specifically determined according to the shape and design of the base 1.

[0101] The disturbed airflow generated by a single vibrating member 5 may have problems such as limited range of action and uneven airflow intensity. However, multiple vibrating members 5 working together can generate stronger and more evenly distributed disturbed airflow. These airflows can more comprehensively cover the interior of the cavity 4 of the hinged structure, effectively pushing debris in every corner, such as dust, debris, etc., so that they can be discharged more smoothly through the first slit 3, thereby improving the thoroughness of cleaning and reducing the residue of debris.

[0102] Among them, multiple vibrators 5 work simultaneously or sequentially, and can generate airflow with sufficient strength and flow rate to clean up debris in a shorter time than a single vibrator 5. For example, in some scenes with high requirements for cleaning speed, multiple vibrators 5 can start quickly and generate a large airflow impact force to quickly discharge debris, saving cleaning time and improving the use efficiency of the equipment.

[0103] Different types of debris (such as fine dust particles, larger debris, etc.) may have different attachment and distribution conditions within the hinged structure. Multiple vibrators 5 can generate diverse airflow patterns through different combinations of parameters such as vibration frequency and amplitude. This can better adapt to the characteristics of different debris and more effectively clean debris in different positions and states. For example, for stubborn debris attached to the wall of the cavity 4, by adjusting the parameters of some vibrators 5, airflows of specific directions and intensities are generated to impact and remove them.

[0104] When one or more of the vibration components 5 fail, the other vibration components 5 can still continue to work and maintain a certain degree of cleaning function. This redundant design improves the reliability of the entire cleaning system. Even if some components fail, the equipment can still perform a certain degree of debris cleaning, reducing the risk of affecting the normal operation of the equipment due to failure of the vibration component 5 and failure to clean debris.

[0105] When the present application is applied, during the assembly stage of the foldable electronic device, according to the design requirements, two groups of vibration members 5 are respectively installed along the first direction and / or the second direction of the base 1, and in each group, a plurality of vibration sheets are also arranged along the first direction and / or the second direction of the base 1. Ensure that the vibration member 5 is firmly connected to the base 1 and is correctly connected to the power supply and control circuits in the electronic device.

[0106] When the electronic device is in the unfolded state for normal use, the vibration member 5 is in the non-operating state. When the user closes the first housing 8-1 and the second housing 8-2 of the electronic device, the detection system of the device detects the closed state.

[0107] The detection system sends a signal to enable the power supply system to supply power to the two groups of vibrating members 5. Since there are multiple groups and multiple vibrating members 5 in each group, they vibrate simultaneously or sequentially to generate a more powerful and uniform disturbed airflow.

[0108] These disturbed air currents flow in the cavity 4, pushing the particles at various positions in the cavity 4 in all directions, so that they are discharged to the outside of the electronic device through the first gap 3 connected to the cavity 4, thereby achieving more thorough cleaning of the cavity 4 inside the hinged structure.

[0109] After the cleaning is completed, the detection system sends a signal again to stop supplying power to the vibrating element 5, and the vibrating element 5 stops working.

[0110] The present application arranges two groups of multiple vibration members 5 in each group, which can generate stronger and more uniform disturbed airflow, cover various areas of the cavity 4, and more effectively promote the discharge of particulate matter. Compared with a single or a small number of vibration members 5, the cleaning effect is significantly improved, and the internal components of the hinged structure are better protected.

[0111] Furthermore, arranging the vibration member 5 in different directions of the base 1 can better adapt to the shape of the hinge structure and the internal space layout, meet the design requirements of different foldable electronic devices, and have greater versatility and flexibility.

[0112] In one embodiment, if Figure 2 As shown, the hinge cover 2 is a shell structure, the base 1 is a plate structure, the projection area of ​​the hinge cover 2 in the third direction is larger than the projection area of ​​the base 1 in the third direction, wherein the third direction is perpendicular to the axial direction of the rotating shaft.

[0113] In this embodiment, the hinge cover 2 is a shell structure, that is, it has a certain spatial shape and can accommodate related components or form a specific space. The base 1 is a plate structure, that is, a plate-like component with a certain thickness and plane shape.

[0114] The third direction is a direction perpendicular to the axial direction of the rotating shaft, and is used to describe the comparison direction of the projection areas of the hinge cover 2 and the base 1. The first direction and the third direction may be the same or different, and similarly, the second direction and the third direction may be the same or different.

[0115] The projection area is the size of the plane area occupied by the projection of an object in a certain direction. In the third direction, the hinge cover 2 and the base 1 are projected respectively to compare the size of the area covered by their projections.

[0116] When the present application is used, during the design and assembly stage of the foldable electronic device, the hinge cover 2 is designed as a shell structure and the base 1 is designed as a plate structure as required, and it is ensured that the projection area of ​​the hinge cover 2 in the third direction (perpendicular to the axial direction of the shaft) is larger than the projection area of ​​the base 1 in this direction.

[0117] The hinge cover 2 is mounted on the first surface 1-1 of the base 1 to form a cavity 4 therebetween, and a first gap 3 is formed between the hinge cover 2 and the first shell 8-1 and the second shell 8-2, the gap being connected to the cavity 4. A rotating shaft is mounted on the base 1 and connects the first shell 8-1 and the second shell 8-2 so that they can rotate relative to each other around the rotating shaft.

[0118] When the electronic device is in the unfolded state, the hinge structure works normally to support the relative position of the first housing 8-1 and the second housing 8-2. When the electronic device needs to be closed, the first housing 8-1 and the second housing 8-2 rotate relative to each other around the rotation axis and finally are in the closed state.

[0119] If a cleaning component such as a vibrator 5 is provided in the hinged structure, in the closed state, the vibrator 5 works to generate disturbed airflow. Since the projection area of ​​the hinge cover 2 is larger than the projection area of ​​the base 1, the formed cavity 4 has a larger space, which is conducive to the flow of disturbed airflow in the cavity, driving the particles in the cavity 4 to be discharged through the first gap 3, thereby achieving cleaning of the interior of the hinged structure.

[0120] In the present application, since the projection area of ​​the hinge cover 2 in the third direction is larger than the projection area of ​​the base 1, the cavity 4 formed between the hinge cover 2 and the base 1 is relatively large and can accommodate more air, providing more sufficient space for the generation and flow of disturbed airflow, which is conducive to more effectively driving the discharge of particulate matter and improving the cleaning effect.

[0121] Moreover, the hinge cover 2 of the shell structure and the base 1 of the plate structure are matched, and the design of different projected areas makes the overall layout of the hinged structure more reasonable, which not only meets the requirements of structural strength and stability, but also provides good space conditions for the installation and function realization of internal components, and is also easy to manufacture and assemble.

[0122] The present application also provides an electronic device, such as Figure 4 and Figure 5 As shown, the electronic device includes a first housing 8 - 1 , a second housing 8 - 2 , a base 1 , a hinge cover 2 , a rotating shaft, a vibrating member 5 and a circuit board 9 .

[0123] The second housing 8-2 can rotate relative to the first housing 8-1. The base 1 is arranged between the first housing 8-1 and the second housing 8-2, and the base 1 includes a first surface 1-1 and a second surface 1-2 arranged opposite to each other.

[0124] The hinge cover 2 is arranged between the first shell 8-1 and the second shell 8-2, and forms a first gap 3 between the first shell 8-1 and the second shell 8-2. The hinge cover 2 is connected to the first surface 1-1 of the base 1, and forms a cavity 4 between the first surface 1-1. The cavity 4 is connected to the first gap 3.

[0125] The rotating shaft is arranged on the base 1 and is connected to the first shell 8 - 1 and the second shell 8 - 2 respectively.

[0126] The vibrating member 5 is disposed on the second surface 1-2 of the base 1. When the first housing 8-1 and the second housing 8-2 are in a closed state, the vibrating member 5 is used to generate a disturbed airflow by vibration after being powered on. The disturbed airflow is used to drive the particles in the cavity 4 to be discharged through the first slit 3.

[0127] The circuit board 9 is connected to the first housing 8-1 and the second housing 8-2 respectively, and is connected to the vibrating element 5, and is used to supply power to the vibrating element 5. The circuit board 9 is a power supply element.

[0128] In this embodiment, the electronic device refers to a device with a folding function, which realizes relative rotation of the first shell 8-1 and the second shell 8-2 through a hinge structure, such as a folding mobile phone, a folding tablet, etc.

[0129] The first housing 8-1 is a part of the housing of the electronic device, connected to the second housing 8-2 through a hinge structure, and can rotate relative to each other. The second housing 8-2 is another part of the housing of the electronic device, which can rotate relative to the first housing 8-1 and together with the first housing 8-1 constitute a foldable part of the electronic device.

[0130] When the present application is used, the electronic device is in an unfolded state, and the user uses the device normally, at which time the first housing 8-1 and the second housing 8-2 are in an open state, and the hinge structure is supported normally. After the user finishes using the device, the first housing 8-1 and the second housing 8-2 are closed, and they rotate around the shaft until they are closed.

[0131] The detection device inside the device detects that the first housing 8-1 and the second housing 8-2 are in the closed state, and sends a signal to the circuit board 9. After receiving the signal, the circuit board 9 turns on the power supply to supply power to the vibration member 5 arranged on the second surface 1-2 of the base 1.

[0132] The vibrating member 5 starts to vibrate after being energized, generating a disturbed airflow, which flows in the cavity 4 formed by the hinge cover 2 and the first surface 1 - 1 of the base 1 , pushing particles (such as dust, impurities, etc.) in the cavity 4 to move toward the first gap 3 .

[0133] Under the action of the disturbed airflow, the particles are discharged to the outside of the electronic device through the first gap 3, completing the cleaning of the internal cavity 4 of the hinge structure. After the cleaning is completed, the circuit board 9 cuts off the power supply to the vibrator 5, and the vibrator 5 stops working.

[0134] The electronic device of the present application automatically starts the vibration member 5 for cleaning in the closed state, without the need for manual operation by the user. This is convenient and quick, and can effectively remove particles in the hinged structure and keep the interior of the device clean.

[0135] The connection and layout between the various components are reasonable, and the circuit board 9 is designed to power the vibrating element 5, so that the entire cleaning system can operate effectively without affecting the realization of other functions of the electronic device.

[0136] In one embodiment, if Figure 3 As shown, one end of the circuit board 9 close to the base 1 is a bent portion 9 - 1 , and a portion of the bent portion 9 - 1 extends in a direction close to the vibrator 5 to form a conductive portion 9 - 2 connected to the vibrator 5 .

[0137] In this embodiment, the circuit board 9 is a component for supplying power to the vibrating element 5 and controlling its working state, and usually integrates various electronic components and circuits.

[0138] The circuit board 9 has a curved portion at one end close to the base 1. Due to the structural characteristics of the foldable electronic device, in order to meet the requirements of space layout and component connection, the circuit board 9 is designed to have a curved portion.

[0139] Part of the circuit or structure of the curved portion 9-1 extends toward the vibrating member 5 disposed on the second surface 1-2 of the base 1, so as to achieve connection with the vibrating member 5. The portion for electrically connecting with the vibrating member 5 formed after the curved portion 9-1 is extended, and the circuit board 9 can transmit electrical energy to the vibrating member 5 through the conductive portion 9-2, so that it works normally.

[0140] During application, when the electronic device is in the unfolded state for normal use, the circuit board 9 supplies power to other functional modules of the device, and the vibration element 5 is in a non-working state.

[0141] When the user closes the first housing 8-1 and the second housing 8-2, the detection system of the device detects the closing state and sends a signal to the circuit board 9. After receiving the signal, the circuit board 9 supplies power to the vibrator 5 through the conductive part 9-2. After the vibrator 5 is powered on, it starts to vibrate and generates disturbed airflow.

[0142] The disturbed airflow flows in the cavity 4, and the particles in the cavity 4 are discharged through the first slit 3, and the cleaning process is completed. After the cleaning is completed, the circuit board 9 cuts off the power supply to the vibrator 5, and the vibrator 5 stops working.

[0143] The present application designs one end of the circuit board 9 close to the base 1 as a bent portion 9-1, and partially extends the conductive portion 9-2 to connect with the vibrator 5. This can better adapt to the limited space inside the foldable electronic device, rationally utilize space resources, and make the internal structure of the device more compact.

[0144] The embodiment of the present application also provides a sand blowing method, which is applied to electronic devices, and the electronic devices refer to devices with folding functions or other devices that may have particles entering the internal structure, such as folding mobile phones, folding tablets, etc., and have certain audio playback and processing capabilities and hardware support for sand blowing functions.

[0145] like Figure 6 and Figure 7 As shown, the method includes:

[0146] S10. When it is determined that the electronic device is in a first state, obtaining feedback audio, wherein the feedback audio is a feedback result of playing a test audio, and the first state represents a current usage state of the electronic device;

[0147] In this embodiment, the first state represents the current use state of the electronic device, such as an unfolded use state, a folded storage state, etc. The specific state definition is determined by the setting and detection mechanism of the device.

[0148] Test audio is a specific audio segment actively played by an electronic device to detect the internal conditions of the device and serve as an excitation signal for obtaining feedback audio.

[0149] The feedback audio is the feedback result audio obtained after the test audio is played when the electronic device is in the first state. It contains the response information of the device to the test audio in the current state, which may vary depending on factors such as whether there are particles inside the device.

[0150] S20, comparing the feedback audio with a target audio, wherein the target audio is a feedback result of playing the test audio when no particulate matter enters the electronic device;

[0151] In this embodiment, the target audio is a preset feedback result audio obtained by playing the test audio when no particles enter the electronic device, and is used as a reference standard for comparison with the feedback audio actually obtained.

[0152] S30: When it is determined that the feedback audio does not match the target audio, enable a sand blowing function of the electronic device to expel particles entering the electronic device.

[0153] In this embodiment, the mismatch refers to differences in audio characteristics between the feedback audio and the target audio, such as inconsistency in frequency components, volume, audio waveform, etc., indicating that particles may have entered the device and affected the normal state of audio playback and feedback.

[0154] The sand blowing function is a function of the electronic device that can discharge the particles that enter the device, and is achieved by generating airflow (such as the vibration member 5 generating disturbed airflow, etc.).

[0155] When the present application is applied, the electronic device is in normal use, and its status detection system monitors the current usage status of the device in real time to determine whether it is in the first state (for example, when the device is in a folded storage state, it is identified as the first state).

[0156] When it is determined that the electronic device is in the first state, the audio playing module of the device plays the test audio. The audio acquisition module collects the feedback audio after playing the test audio and transmits it to the audio processing module of the device.

[0157] The audio processing module compares the acquired feedback audio with the pre-stored target audio (ie, the feedback result of playing the test audio when no particulate matter enters the device) and analyzes the difference in audio characteristics between the two.

[0158] If the audio processing module determines that the feedback audio does not match the target audio, that is, if a significant difference is found between the two, it means that particulate matter may have entered the device and affected the normal feedback of the audio.

[0159] At this time, the device control module issues an instruction to enable the sand blowing function of the electronic device. For example, if the device uses the vibration element 5 to generate disturbed airflow to blow sand, the control module will supply power to the vibration element 5 to vibrate and generate airflow, and discharge the particles entering the hinge structure and other parts of the device through the corresponding channel (such as the first gap 3).

[0160] After the sand blowing function is completed, the device can perform audio detection again to determine whether there is still particulate matter impact, or return to normal use and wait for the next detection.

[0161] For example, take a foldable screen mobile phone as an example. The mobile phone is designed to be in the first state when it is in the folded state. When the user folds the mobile phone and puts it away, the state detection system of the mobile phone detects that the mobile phone is in the folded state (the first state).

[0162] At this time, the audio playback module of the mobile phone plays a pre-set test audio (such as a sine wave audio of a specific frequency), and the audio collection device such as the microphone inside the mobile phone collects the sound feedback after playing the test audio to form feedback audio.

[0163] The audio processing chip of the mobile phone compares and analyzes the feedback audio with the target audio stored when the mobile phone leaves the factory (i.e. the feedback result of playing the test audio when no dust or other particles enter the mobile phone). If the feedback audio is found to be less in volume or lacking certain frequency components and not matching the target audio, it means that dust or other particles may have entered the mobile phone.

[0164] Then, the control module of the mobile phone activates the vibration element 5 at the hinge structure of the mobile phone (the mobile phone adopts the sand blowing method of the vibration element 5 to generate airflow), and the vibration element 5 is energized to vibrate to generate disturbed airflow, and the dust in the hinge structure of the mobile phone is discharged through the gap between the mobile phone and the shell. After the discharge is completed, the mobile phone can perform audio detection again to ensure that the internal is clean, or wait for the user to start using it again.

[0165] This application can actively detect whether particulate matter has entered the inside of an electronic device by playing test audio and analyzing feedback audio, without the need for manual inspection by the user, thereby achieving real-time monitoring of the internal condition of the device.

[0166] Once particles are detected entering the device (the feedback audio does not match the target audio), the sand blowing function is activated in time to clean it up, avoiding long-term accumulation of particles that may cause wear, corrosion and other damage to the internal components of the device, thereby extending the service life of the equipment.

[0167] In another embodiment, the developer embeds a reminder function module in the system software of the electronic device and programs it. Set a fixed reminder time every day, for example, choose to remind at midnight when the user is usually asleep and the device is idle, such as 2 a.m. The user can also choose a suitable time period in the setting options of the software according to his own usage habits. For example, if the user does not use the device between 10 p.m. and 7 a.m. every day, the reminder time can be set within this interval.

[0168] When the set time is reached, the timer of the software system triggers the reminder mechanism. At this time, the device will send a reminder signal to the user through pop-up windows, vibrations, prompt sounds, etc. If it is a foldable electronic device, a pop-up window will be prominently displayed on the screen, reminding the user that "Now is the daily dust cleaning time, it is recommended that you clean the device to maintain good performance", and a simple operation guide can be attached, such as closing the device to start the automatic dust cleaning function.

[0169] After seeing the reminder, if the device is in a convenient operating state, the user can perform the dust cleaning operation according to the prompt. For a foldable electronic device with an automatic dust cleaning function (such as the above-mentioned airflow generated by the vibration member 5 to discharge dust), the user only needs to close the device, and the device will automatically start the vibration member 5 to clean the dust after detecting the closing state.

[0170] The software can record the time of each reminder and whether the user responded to the reminder to clean the dust. If the user does not respond to the reminder for a long time, the software can remind the user again in a more prominent way after a period of time, such as a week or a month, or push relevant information about possible failure of the device due to dust accumulation to the user, urging the user to clean.

[0171] If the electronic device is already in a closed state, the system can automatically detect the current closed state of the device. After receiving the dust removal reminder, the system will directly trigger the power supply circuit of the vibration element 5 to start the vibration element 5 without the user manually performing additional closing actions.

[0172] For example, when the device receives a dust cleaning reminder at 2 a.m. and is already in a closed state, the sensor inside the device recognizes this state and immediately sends a signal to the control module. The control module then powers the vibrator 5, which generates a disturbed airflow to discharge the dust in the hinged structure through the first gap 3.

[0173] In order to let users know that the dust cleaning operation has been started normally, the device can use slight vibration, short prompt sound, or light up the screen to display the prompt words "Dust cleaning has been started" when the screen is off, informing users that the dust cleaning process has begun and no other operations are required. This can reassure users and avoid users repeating operations or generating doubts after receiving reminders.

[0174] During the cleaning process, the software monitors the working status of the vibration element 5, the strength of the airflow and other parameters in real time. If an abnormal situation is detected, such as insufficient airflow due to a failure of the vibration element 5, the software will immediately send a notification to the user to inform the user that there is a problem with the cleaning and provide a corresponding solution, such as suggesting that the user contact after-sales service. At the same time, the software can also record the process data of each cleaning, such as the cleaning time, the working parameters of the vibration element 5, etc., to facilitate subsequent maintenance and analysis of the equipment.

[0175] Through timed reminders, the present application can ensure that users clean their devices regularly, effectively reducing the accumulation of dust inside the device, especially for the hinged structure of foldable electronic devices and other parts that are prone to dirt and grime. This can prevent dust from damaging the internal structure of the device, such as preventing dust from entering and affecting the normal rotation of the hinged structure, thereby extending the service life of the device.

[0176] The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application. The protection scope of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and protection scope of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present application.

Claims

1. A hinge structure, applied to an electronic device, comprising: A base, arranged between a first housing and a second housing of the electronic device, wherein the first housing and the second housing can rotate relative to each other, and the base comprises a first surface and a second surface arranged opposite to each other; A hinge cover is disposed between the first shell and the second shell and forms a first gap between the first shell and the second shell, the hinge cover is connected to the first surface of the base and forms a cavity between the hinge cover and the first surface, and the cavity is connected to the first gap; A rotating shaft, disposed on the base and connected to the first shell and the second shell respectively; A vibrating member is arranged on the second surface of the base. When it is determined that the first shell and the second shell are in a closed state, the vibrating member is used to generate a disturbed airflow by vibration after being powered on. The disturbed airflow is used to drive the particles in the cavity to be discharged through the first gap.

2. The hinge structure as described in claim 1, wherein a through hole is provided on the base, and the setting position of the vibrating member corresponds to the setting of the through hole, so that the disturbed airflow passes through the through hole and enters the cavity.

3. The hinge structure as described in claim 2, wherein the cavity includes a front cavity and an air flow channel, the through hole forms the front cavity, the air flow channel is formed between the base and the hinge cover, and the disturbed air flow flows from the front cavity to the air flow channel and is discharged through the first gap.

4. The hinge structure according to claim 1, wherein a sealing ring is provided between the base and the first shell and the second shell for sealing.

5. The hinge structure according to claim 1, wherein a deformable conductive member is provided on a side of the vibrating member away from the base, and the conductive member is connected to a power supply member in the electronic device.

6. The hinge structure according to claim 1, wherein the vibrating members are provided in two groups, and the two groups of vibrating members are arranged along the first direction and / or the second direction of the base. Each group of the vibration sheets is provided with a plurality of vibration sheets, and the plurality of vibration sheets are arranged along the first direction and / or the second direction of the base, wherein: The first direction is different from the second direction.

7. The hinge structure according to claim 1, wherein the hinge cover is a shell structure, the base is a plate structure, the projection area of ​​the hinge cover in the third direction is larger than the projection area of ​​the base in the third direction, wherein: The third direction is perpendicular to the axial direction of the rotating shaft.

8. An electronic device, comprising: first shell; a second housing, which is rotatable relative to the first housing; A base, disposed between the first shell and the second shell, the base comprising a first surface and a second surface disposed opposite to each other; A hinge cover is disposed between the first shell and the second shell and forms a first gap between the first shell and the second shell, the hinge cover is connected to the first surface of the base and forms a cavity between the hinge cover and the first surface, and the cavity is connected to the first gap; A rotating shaft, disposed on the base and connected to the first shell and the second shell respectively; a vibrator, disposed on the second surface of the base, and configured to generate a disturbed airflow by vibration after being powered on when the first housing and the second housing are determined to be in a closed state, wherein the disturbed airflow is configured to drive the particles in the cavity to be discharged through the first gap; A circuit board is connected to the first shell and the second shell respectively, and is connected to the vibration element, and is used to supply power to the vibration element.

9. The electronic device as claimed in claim 8, wherein one end of the circuit board close to the base is a bent portion, and a portion of the bent portion extends in a direction close to the vibrator to form a conductive portion connected to the vibrator.

10. A sand blowing method, applied to electronic equipment, comprising: When it is determined that the electronic device is in a first state, obtaining feedback audio, wherein the feedback audio is a feedback result of playing a test audio, and the first state represents a current usage state of the electronic device; Comparing the feedback audio with a target audio, wherein the target audio is a feedback result of playing the test audio when no particulate matter enters the electronic device; When it is determined that the feedback audio does not match the target audio, a sand blowing function of the electronic device is enabled to expel particles entering the electronic device.