Electronic device

Abstract

The invention discloses electronic equipment, and belongs to the technical field of terminals. The electronic equipment comprises a flexible screen, a folding support, a first sliding block, the flexible screen, a first permanent magnet and a first driving assembly, wherein the flexible screen, the first permanent magnet and the first driving assembly are arranged on the folding support, and a diamagnetic material is arranged in the first sliding block; the first sliding block is connected with the first driving assembly, and the first permanent magnet and the first sliding block are located between the folding support and the flexible screen. In the unfolding process of the folding support, the first driving assembly drives the first sliding block to move to a first area opposite to the first permanent magnet. Or in the folding process of the folding support, the first driving assembly drives the first sliding block to move to a second area which is not overlapped with the first permanent magnet.

Description

Technical Field

[0001] The present application belongs to the field of terminal technology, and specifically relates to an electronic device. Background Art

[0002] At present, electronic devices with flexible screens are widely used because the screen size can be adjusted. The flexible screen has a certain strength, which may cause the flexible screen to be unable to close tightly, that is, unable to be completely folded. Therefore, a magnet pair can be set under the screen of the electronic device to resist the strength of the flexible screen through the magnetic force between the magnet pair, thereby ensuring that the flexible screen can be closed tightly and stably.

[0003] However, the magnetic field generated by the magnet may absorb foreign matter, so that when the flexible screen is in the unfolded state, the foreign matter may be absorbed in the area of ​​the flexible screen corresponding to the magnet. Then, when the flexible screen is in the folded state, these foreign matter may be sandwiched between two opposite screen areas of the flexible screen, which may scratch the flexible screen or cause the flexible screen to leak, thus reducing the service life of the flexible screen. Summary of the invention

[0004] The purpose of an embodiment of the present application is to provide an electronic device that can reduce the magnetism of the permanent magnet under the flexible screen when the flexible screen is in an unfolded state, thereby preventing the flexible screen from absorbing paramagnetic foreign matter, thereby increasing the service life of the flexible screen.

[0005] In a first aspect, an embodiment of the present application provides an electronic device, which includes a flexible screen, a foldable bracket, a first slider, and the flexible screen, a first permanent magnet and a first drive component are arranged on the foldable bracket, wherein the first slider is provided with antimagnetic material; the first slider is connected to the first drive component, and the first permanent magnet and the first slider are located between the foldable bracket and the flexible screen; wherein, during the unfolding process of the foldable bracket, the first drive component drives the first slider to move to a first area opposite to the first permanent magnet; or, during the folding process of the foldable bracket, the first drive component drives the first slider to move to a second area that does not overlap with the first permanent magnet.

[0006] In the embodiment of the present application, on the one hand, during the folding process of the foldable bracket, since the first driving component can drive the first slider to move to the second area that does not overlap with the first permanent magnet, the anti-magnetic material in the first slider can be located outside the magnetic field of the first permanent magnet or at the edge of the magnetic field, thereby preventing the anti-magnetic material from generating a repulsive force opposite to the magnetic force of the first permanent magnet under the action of the magnetic field, thereby ensuring that the magnetic force of the first permanent magnet on the magnetic part directly opposite to the first permanent magnet in the electronic device is greater than the elastic force of the flexible screen, so that the flexible screen can stably maintain a folded state; on the other hand, during the unfolding process of the foldable bracket, the first driving component can drive the first slider to move to the first area opposite to the first permanent magnet, so that the anti-magnetic material in the first slider can be located in the center of the magnetic field of the first permanent magnet, so that the anti-magnetic material can generate a repulsive force opposite to the magnetic force of the first permanent magnet under the action of the magnetic field, thereby reducing the total magnetic force of the screen area of ​​the flexible screen corresponding to the first permanent magnet, thereby reducing the probability of foreign matter being adsorbed to the screen area, thereby improving the service life of the flexible screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 is a schematic diagram of the structure of an electronic device provided by some embodiments of the present application;

[0008] Figure 2 is a schematic diagram of the structure of an electronic device provided by some embodiments of the present application;

[0009] Figure 3 is a schematic diagram of the structure of an electronic device provided by some embodiments of the present application;

[0010] Figure 4 is a schematic diagram of the structure of an electronic device provided by some embodiments of the present application;

[0011] Figure 5 is a schematic diagram of the structure of an electronic device provided by some embodiments of the present application;

[0012] Figure 6 is along Figure 2 The cross-sectional view in the AA direction;

[0013] Figure 7 is along Figure 3 Cross-sectional view in CC direction;

[0014] Figure 8 for Figure 6 An enlarged schematic diagram of detail G in FIG.

[0015] Fig. 9 for Figure 7 An enlarged schematic diagram of detail E in FIG.

[0016] Fig.10 for Figure 2An enlarged schematic diagram of detail B in FIG.

[0017] Fig.11 for Figure 3 An enlarged schematic diagram of detail D in FIG.

[0018] Fig.12 is a schematic structural diagram of a first driving assembly provided in some embodiments of the present application;

[0019] Fig.13 for Figure 7 An enlarged schematic diagram of detail F in FIG.

[0020] Fig.14 for Figure 6 An enlarged schematic diagram of detail H in FIG.

[0021] Fig.15 A schematic diagram of the working process of the electronic device when the electronic device is converted from a folded state to an unfolded state provided in some embodiments of the present application;

[0022] Fig.16 A schematic diagram of the working process of the electronic device when the electronic device is converted from an unfolded state to a folded state provided in some embodiments of the present application;

[0023] Fig.17 is a schematic diagram of the structure of an electronic device provided by some embodiments of the present application;

[0024] Fig.18 is a schematic diagram of the structure of an electronic device provided by some embodiments of the present application;

[0025] in, Figures 1 to 18 The reference numerals in the figures are as follows:

[0026] 100 electronic device, 10 flexible screen, 11 connecting member, 12 foldable bracket, 121 first frame, 122 second frame, 123 first surface, 124 mounting groove, 13 first permanent magnet, 14 second permanent magnet, 15 first driving assembly, 151 motor, 152 transmission member, 153 screw, 154 guide rod, 155 motor bracket, 156 bearing, 1521 transmission slider, 1522 transmission rod, 16 first slider, 17 second surface,

[0027] 18 first area, 19 second area, 20 second slider, 1212 first opening, 21 Hall chip, 22 Hall magnet, 23 second driving component, 24 third slider, 25 main board. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0029] The nouns and terms in the specification of this application are explained below.

[0030] Flexible screen: a screen that can be bent and rolled. Flexible screens are widely used due to their low power consumption and bendability. The flexible screen may include a flexible substrate and a flexible light-emitting element mounted on the flexible substrate.

[0031] For example, the light emitting element may be an organic electroluminescence display (OLED).

[0032] The terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0033] The electronic device provided in the embodiment of the present application is described in detail below through specific embodiments and application scenarios in conjunction with the accompanying drawings.

[0034] The present application embodiment provides an electronic device, Figure 1 The structure diagram of the electronic device provided by the embodiment of the present application is shown as follows: Figure 1 As shown, the electronic device 100 may include a flexible screen 10, a foldable bracket 12, a first slider 16, and a first permanent magnet 13 and a first driving component 15 arranged on the foldable bracket 12, and the first slider 16 is provided with anti-magnetic material; the first slider 16 is connected to the first driving component 15, and the first permanent magnet 13 and the first slider 16 are located between the foldable bracket 12 and the flexible screen 10.

[0035] In which, during the unfolding process of the foldable bracket 12, the first driving component 15 drives the first slider 16 to move to the first area 18 opposite to the first permanent magnet 13; or, during the folding process of the foldable bracket 12, the first driving component 15 drives the first slider 16 to move to the second area 19 that does not overlap with the first permanent magnet 13.

[0036] It can be understood that diamagnetic materials can also be called reverse magnetic materials. Diamagnetic materials refer to a weak magnetic material. Its relative magnetic susceptibility is negative and very small. The mechanism of diamagnetic generation is: when the external magnetic field passes through the electron orbit, the electromagnetic induction caused by it accelerates the orbital electrons, and the model is simplified to the magnetic field perpendicular to the electron orbit plane. According to Lenz's law, the magnetic flux caused by this accelerated motion of the orbital electrons is always opposite to the direction of the external magnetic field, so the diamagnetic susceptibility is negative. In simple terms, when the diamagnetic material is in a magnetic field, the diamagnetic material can generate a force in the opposite direction to the magnetic force corresponding to the magnetic field under the action of the magnetic field, so that part of the magnetic force of the magnetic field can be offset, thereby showing the phenomenon of weakening the magnetic force of the magnetic field.

[0037] In some embodiments of the present application, the antimagnetic material may include any one of the following: carbon, copper, gold, silver, zinc, etc.

[0038] It should be noted that the function of the first permanent magnet is: when the foldable bracket is in the folded state, the first permanent magnet exerts an attractive force on the magnetic member provided on the foldable bracket, such as the second permanent magnet described below, so that the foldable bracket drives the flexible screen to be stably in the folded state. It can be understood that the first permanent magnet and the magnetic member are symmetrical with respect to the folding line of the foldable bracket.

[0039] In the embodiment of the present application, "opposite to the first permanent magnet" includes: directly facing the first permanent magnet, or the overlapping area with the first permanent magnet is equal to the first area, or the first slider covers the first permanent magnet; "not overlapping with the first permanent magnet" includes: not overlapping with the first permanent magnet at all. Wherein, the first area is equal to the area of ​​the surface of the first permanent magnet facing the flexible screen.

[0040] For example, Figure 2 FIG. 1 is a schematic diagram of a structure of an electronic device when the foldable bracket 12 is in an unfolded state, such as Figure 2 As shown, the first slider 16 is covered on the first permanent magnet 13, so that the antimagnetic material in the first slider 16 can generate a repulsive force in the opposite direction to the magnetic force of the first permanent magnet 13 under the action of the magnetic field of the first permanent magnet 13, so that the resultant force of these two forces is smaller than the magnetic force of the first permanent magnet 13, thereby reducing the probability of foreign matter being adsorbed to the area of ​​the flexible screen corresponding to the first permanent magnet 13. Figure 3 FIG. 1 is a schematic diagram of a structure of an electronic device when the foldable bracket 12 is in a folded state. Figure 3As shown, the first slider 16 does not overlap with the first permanent magnet 13 at all. At this time, since the first slider 16 may be at the edge of the magnetic field of the first permanent magnet 13 or outside the magnetic field of the first permanent magnet 13, the repulsive force generated by the anti-magnetic material in the first slider 16 is small, so that the attraction of the first permanent magnet 13 to the magnetic part is much greater than the magnetic force, thereby ensuring that the electronic device can remain in a folded state.

[0041] In some embodiments of the present application, the first slider and the first driving assembly may be disposed close to the first permanent magnet.

[0042] In some embodiments of the present application, when the foldable bracket is in the unfolded state, the first permanent magnet is located within the projection area of ​​the first area on the foldable bracket, and the first permanent magnet is located outside the projection area of ​​the second area on the foldable bracket. That is, when the foldable bracket is in the unfolded state, the first permanent magnet is directly opposite to the first slider, and the anti-magnetic material in the first slider can generate a repulsive force opposite to the magnetic force of the first permanent magnet, so that the total force of the area of ​​the flexible screen corresponding to the first permanent magnet can be reduced or avoided, thereby reducing or avoiding the adsorption of foreign matter, thus reducing the probability of friction and extrusion between the flexible screen and foreign matter, thereby increasing the service life of the flexible screen. When the foldable bracket is in the folded state, there is no overlapping area between the first permanent magnet and the first slider, and the magnetic field of the first permanent magnet has little effect on the anti-magnetic material, and the repulsive force generated by the anti-magnetic material can be ignored, thereby ensuring that the attraction of the first permanent magnet to the magnetic part can be greater than the elastic force of the flexible screen, so that the electronic device can remain folded.

[0043] It can be seen that during the unfolding process of the foldable stand of the electronic device, the first driving component can drive the first slider to correspond to the first permanent magnet, so that the magnetic force of the first permanent magnet can be automatically weakened by the first slider, so that the area of ​​the flexible screen corresponding to the first permanent magnet does not absorb foreign matter or absorbs less foreign matter; in this way, when the flexible screen is closed again, foreign matter will not be brought into the gap between the folded screen areas of the flexible screen, thereby avoiding friction and squeezing between the flexible screen and foreign matter, which can not only improve the user experience when the foldable stand is unfolded, but also improve the service life of the flexible screen.

[0044] In some embodiments of the present application, the size of the surface of the first slider facing the flexible screen is greater than or equal to the size of the surface of the first permanent magnet facing the flexible screen.

[0045] In some embodiments of the present application, Figure 4 As shown, the first driving assembly 15 can drive the first slider along a direction perpendicular to the folding line 03 of the foldable bracket 12, such as Figure 4 Move to the first area or the second area in the direction indicated by the arrow in FIG. Figure 5As shown, the first driving assembly 15 can drive the first slider in a direction parallel to the folding line 03 of the foldable bracket 12, such as Figure 5 Move to the first area or the second area in the direction indicated by the arrow.

[0046] It should be noted that in Figure 4 In the manner shown, the second region may be Figure 4 The area shown in 19 in FIG. 1 can also be Figure 4 Similarly, in Figure 5 In the manner shown, the second region may be Figure 5 The area shown in 19 in FIG. 1 can also be Figure 5 The area shown by 19' in FIG. 1 is not limited in this application.

[0047] In some embodiments of the present application, a mounting groove may be provided in the area near the first permanent magnet on the foldable bracket, and the first transmission assembly may be installed in the mounting groove. In this way, the first transmission assembly and the foldable bracket may at least partially overlap in the thickness direction, thereby reducing the overall thickness of the foldable screen terminal.

[0048] In some embodiments of the present application, the mounting groove may be provided on a first surface of the foldable bracket facing the flexible screen, or may be provided on a second surface of the foldable bracket facing the flexible screen.

[0049] In some embodiments of the present application, Figure 6 For electronic equipment along Figure 2 The cross-sectional view in the AA direction is shown. Figure 7 For electronic equipment along Figure 3 The cross-sectional view in the CC direction shown; Figure 6 and Figure 7 As shown, a mounting groove 124 is provided in an area of ​​the first surface 123 of the foldable bracket 12 close to the first permanent magnet 13, and a first opening 1212 extending to the second surface 17 is provided at the bottom of the mounting groove 124; the second surface 123 is the surface of the foldable bracket 12 facing the flexible screen 10, and the first surface 123 is opposite to the second surface 17.

[0050] The first transmission assembly is disposed in the mounting groove 124 and connected to the first sliding block 16 through the first opening 1212 .

[0051] In this way, since a mounting groove for mounting the first transmission assembly can be provided on the first surface of the foldable bracket facing away from the flexible screen, and the first transmission assembly is connected to the first slider via a first opening extending from the bottom of the mounting groove to the other surface, that is, the first transmission assembly and the first slider are located on two opposite surfaces of the foldable bracket, and the first transmission assembly at least partially overlaps with the foldable bracket in the thickness direction, the overall thickness of the electronic device can be reduced.

[0052] In some embodiments of the present application, Figure 6 and Figure 7 As shown, the motor bracket 155 can be fixed to the bottom of the mounting groove 124.

[0053] In some embodiments of the present application, the motor bracket can be installed in the mounting groove by means of fixing members such as screws or glue.

[0054] In some embodiments of the present application, Figure 6 and Figure 7 It can be seen that the thickness of the first driving assembly 15 (excluding the transmission rod 1522) is less than the depth of the mounting groove 124. In this way, the first driving assembly 15 can be combined in the foldable bracket 12, which is conducive to the overall thinning of the electronic device.

[0055] In some embodiments of the present application, Fig.13 yes Figure 7 An enlarged schematic diagram of detail F in FIG. Fig.14 yes Figure 6 The details of H are shown in the schematic diagram of the method. Fig.13 and Fig.14 As shown, the transmission slider 1521 extends from the first opening 1212 , the transmission rod 1522 is fixedly connected to the transmission slider 1521 , and the transmission rod 1522 is located between the first surface 123 and the flexible screen 10 .

[0056] In this way, on the one hand, since the first transmission assembly is arranged in the installation groove, that is, the first transmission assembly and the foldable bracket at least partially overlap in the thickness direction, the overall thickness of the electronic device can be reduced; on the other hand, since the installation groove is arranged on the surface of the foldable bracket facing away from the flexible screen, the influence of friction and foreign matter between components in the transmission assembly on the flexible screen can be reduced, thereby increasing the service life of the flexible screen.

[0057] In some embodiments of the present application, the first permanent magnet may be flush with the second surface of the foldable bracket facing the flexible screen, or may be lower than the second surface.

[0058] For example, Figure 8 for Figure 6 An enlarged schematic diagram of detail G in Fig. 9 for Figure 7 An enlarged schematic diagram of detail E in FIG. Figure 8 and Fig. 9 As shown, the surface of the first permanent magnet 13 facing the flexible screen 10 is lower than the first surface.

[0059] In some embodiments of the present application, Figure 1 As shown, the flexible screen 10 is connected to the foldable bracket 12 via a connecting member 11 ; wherein the thickness of the first sliding block 16 is smaller than the thickness of the connecting member 11 .

[0060] It can be understood that the distance between the flexible screen and the foldable bracket is greater than the thickness of the first sliding block.

[0061] In this way, since the thickness of the first slider is less than the thickness of the connecting member, friction between the first slider and the flexible screen during movement can be avoided, thereby improving the life of the flexible screen. In addition, since the thickness of the first slider is less than the thickness of the connecting member, adding the first slider will not increase the thickness of the electronic device, thereby facilitating the overall thinning of the electronic device.

[0062] In some embodiments of the present application, the connecting member may be a double-sided tape or glue, etc., any element that can achieve a stable and tight connection between the foldable bracket and the flexible screen.

[0063] In some embodiments of the present application, Figure 1 As shown, the foldable bracket 12 may include a first frame 121, a second frame 122, and a hinge assembly ( Figure 1 (not shown), wherein the first frame 121 and the second frame 122 are both connected to the hinge assembly. In this way, the foldable bracket 12 can be unfolded or folded by the hinge assembly. For the specific structure of the hinge assembly, refer to the related art.

[0064] The first permanent magnet can be embedded on the surface of the first frame body facing the flexible screen, and a magnetic piece corresponding to the first permanent magnet can be arranged on the surface of the second frame body facing the flexible screen; the first driving component is arranged on the first frame body, and the first slider is located between the flexible screen and the first frame body. In this way, when the foldable bracket is in a folded state, the first frame body and the second frame body can be closely attached to each other under the attraction of the first permanent magnet to the magnetic piece, so that the electronic device is stably in a folded state.

[0065] In some embodiments of the present application, during the folding or unfolding of the foldable bracket, the synchronous swing arm in the hinge assembly can slide along the length direction of the hinge assembly.

[0066] In some embodiments of the present application, in addition to using the first driving component to drive the first slider to move, the first slider can also be driven to move to the first area or the second area by means of the sliding of the synchronous swing arm.

[0067] In the electronic device provided in the embodiment of the present application, on the one hand, during the folding process of the foldable bracket, since the first driving component can drive the first slider to move to the second area that does not overlap with the first permanent magnet, the anti-magnetic material in the first slider can be located outside the magnetic field of the first permanent magnet or at the edge of the magnetic field, thereby preventing the anti-magnetic material from generating a repulsive force opposite to the magnetic force of the first permanent magnet under the action of the magnetic field, thereby ensuring that the magnetic force of the first permanent magnet on the magnetic part directly opposite to the first permanent magnet in the electronic device is greater than the elastic force of the flexible screen, so that the flexible screen can stably maintain a folded state; on the other hand, during the unfolding process of the foldable bracket, since the first driving component can drive the first slider to move to the first area opposite to the first permanent magnet, the anti-magnetic material in the first slider can be located in the center of the magnetic field of the first permanent magnet, so that the anti-magnetic material can generate a repulsive force opposite to the magnetic force of the first permanent magnet under the action of the magnetic field, thereby reducing the total magnetic force of the screen area of ​​the flexible screen corresponding to the first permanent magnet, thereby reducing the probability of foreign matter being adsorbed to the screen area, thereby improving the service life of the flexible screen.

[0068] In some embodiments of the present application, Fig.10 for Figure 2 An enlarged schematic diagram of detail B in FIG. Fig.11 for Figure 3 An enlarged schematic diagram of detail D in FIG. Fig.10 and Fig.11 As shown, the electronic device 100 may further include: a second slider 20 fixedly connected to the first slider 16, and a paramagnetic material is disposed in the second slider 20. Fig.10 As shown, when the first slider 16 is located in the first area 18, the second slider 20 does not overlap with the first permanent magnet 13;

[0069] Or, if Fig.11 As shown, when the first sliding block 16 is located in the second area 19 , the second sliding block 20 is opposite to the first permanent magnet 13 .

[0070] In some embodiments of the present application, when the second slider corresponds to the first permanent magnet, the second slider 20 may be located in the first area; when the second slider 20 does not overlap with the first permanent magnet 13, the second slider 20 may be located in an area other than the first area.

[0071] It can be understood that paramagnetic materials, i.e. materials with paramagnetism, are classified according to the magnitude and sign of the magnetic susceptibility when the magnet is magnetized. Some materials, when subjected to an external magnetic field, induce a magnetization intensity in the same direction as the external magnetic field, and their magnetic susceptibility is greater than zero, but the value is very small. Such materials are called paramagnetic materials. That is, by setting a second slider having paramagnetic material, when the second slider is opposite to the first permanent magnet, the paramagnetic material generates a force in the same direction as the magnetic force of the first permanent magnet, thereby showing a phenomenon of enhancing the magnetic force on the first permanent magnet.

[0072] It can be understood that, when the foldable bracket is in the unfolded state, the first slider is located in the first area, so that the first slider corresponds to the first permanent magnet, and the repulsive force generated by the antimagnetic material weakens the magnetic force of the first permanent magnet; when the foldable bracket is in the folded state, the second slider is located in the first area, so that the second slider corresponds to the first permanent magnet, and the paramagnetic material in the second slider generates a force with the same direction as the magnetic force of the first permanent magnet under the action of the magnetic field of the first permanent magnet. The force is greater than the magnetic force of the first permanent magnet after being superimposed with the magnetic force of the first magnetic force, which is equivalent to enhancing the magnetic force of the first permanent magnet. In this way, during the folding process of the foldable bracket of the electronic device, the second slider is driven by the first driving component to be opposite to the first permanent magnet, so that the attraction force on the foldable bracket is greater than the magnetic force of the first permanent magnet, thereby preventing the electronic device from opening under the action of its own elastic force, thereby improving the folding reliability of the electronic device.

[0073] It can be understood that the first driving component can simultaneously drive the first slider and the first slider to move to change the slider corresponding to the first permanent magnet, which can reduce the number of parts in the electronic device and save the internal space and power consumption of the electronic device.

[0074] In this way, when the foldable bracket is in a folded state, since the second slider corresponds to the first permanent magnet, the attraction exerted on the magnetic member stacked with the first permanent magnet in the foldable bracket includes: the magnetic force of the first permanent magnet and the force generated by the paramagnetic material, that is, the combined force exerted on the magnetic member is greater than the magnetic force of the first permanent magnet, thereby ensuring that the flexible screen can be more reliably in a folded state.

[0075] Furthermore, the magnetic field strength of the permanent magnet will decrease in a low temperature environment, thereby causing a decrease in the magnetic force. By providing a first slider comprising a paramagnetic material, the paramagnetic material can generate a force in the same direction as the magnetic force of the permanent magnet. In this way, even if the electronic device is in an environment with a relatively low temperature, the force generated by the paramagnetic material can compensate for the magnetic force lost by the first permanent magnet due to the decrease in temperature. This ensures that the electronic device is stably in a folded state in a low temperature environment, thereby improving the folding reliability and environmental adaptability of the electronic device.

[0076] The structure of the first driving assembly is described below.

[0077] In some embodiments of the present application, Fig.12 As shown, the first driving assembly 15 may include: a motor 151, a transmission member 152, and a screw rod 153 and a guide rod 154 arranged in parallel; the screw rod 153 is connected to the motor 151, the transmission member 152 is sleeved on the screw rod 153 and the guide rod 154, and the transmission member 152 and the screw rod 153 are threadedly matched, and the first slider 16 is connected to the free end of the transmission member 152;

[0078] In which, during the unfolding process of the foldable bracket 12, the motor 151 drives the transmission member 152 to move in the first direction along the guide rod 154 through the screw 153, so as to drive the first slider 16 to move to the first area 18; or, during the folding process of the foldable bracket 12, the motor 151 drives the screw 153 to drive the transmission member 152 to move in the second direction along the guide rod 154, so as to drive the first slider 16 to move to the second area 19.

[0079] The first direction is opposite to the second direction. For example, the first direction is clockwise and the second direction is counterclockwise; or the first direction is counterclockwise and the second direction is clockwise.

[0080] In some embodiments of the present application, the first direction may be a direction pointing from the second area to the first area, and the second direction may be a direction pointing from the first area to the second area.

[0081] It can be understood that during the folding or unfolding of the foldable bracket, the rotation direction of the motor is opposite.

[0082] In some embodiments of the present application, the screw rod may be connected to the output shaft of the motor.

[0083] In some embodiments of the present application, the screw rod may be connected to the output shaft of the motor via a coupling.

[0084] In some embodiments of the present application, the guide rod is used to limit the moving trajectory of the transmission member.

[0085] In some embodiments of the present application, a motor drives the screw to rotate, and the slider cooperates with the screw thread, so that the transmission motor can move along the guide rod driven by the screw.

[0086] In this way, since the transmission method of the motor, screw, guide rod and transmission member is smooth and precise, the position of the first slider can be adjusted stably and accurately by adjusting the position of the first slider through the motor, screw, guide rod and transmission member.

[0087] In some embodiments of the present application, Figure 2 and Fig.12 As shown, the transmission member 152 may include: a transmission slider 1521 and a transmission rod 1522, wherein the first end of the transmission rod 1522 is connected to the transmission slider 1521; wherein the transmission slider 1521 is sleeved on the guide rod and the screw rod, the first end of the transmission rod 152 is connected to the transmission slider 1521, and the second end of the transmission rod 1522 is connected to the first slider.

[0088] In some embodiments of the present application, the transmission slider cooperates with the screw thread.

[0089] In some embodiments of the present application, the transmission slider moves forward and backward along the screw rod under the restriction of the guide rod through the threaded displacement on the screw rod.

[0090] In some embodiments of the present application, a motor is a main driving device that can provide rotational force.

[0091] In some embodiments of the present application, the first end of the transmission rod is connected to the transmission slider via a first fixing member, and the first fixing member may be a screw, a screw or a welding point.

[0092] In some embodiments of the present application, a through hole is provided on the transmission slider for the guide rod to pass through, and the size of the through hole is larger than the diameter of the guide rod.

[0093] In some embodiments of the present application, the second end of the transmission rod may be connected to a surface of the first slider facing away from the flexible screen.

[0094] In some embodiments of the present application, the sum of the thickness of the transmission rod and the first slider is less than the thickness of the connecting member. In this way, since the sum of the thickness of the transmission rod and the first slider is less than the thickness of the connecting member, it can be ensured that the transmission rod and the first slider are both composited between the flexible screen and the electronic device, thereby reducing the thickness of the entire electronic device.

[0095] In this way, since the transmission slider cooperates with the screw thread and the first slider is connected to the transmission slider through the transmission rod, the movement distance of the first slider can be accurately controlled through the cooperation of the transmission slider and the screw, so that the relative position between the first slider and the first permanent magnet can be accurately controlled, and then the magnetic force of the first permanent magnet can be enhanced or weakened according to needs through the anti-magnetic material in the first slider.

[0096] In some embodiments of the present application, Fig.12 As shown, the first drive assembly 15 can also include a motor bracket 155 and two bearings 156; the motor 151 and the two bearings 156 are both arranged on the motor bracket 155, the two bearings 156 are rotatably connected to the screw 153, and the two bearings 156 are fixedly connected to the guide rod 154; wherein, the motor bracket 155 is connected to the foldable bracket 12.

[0097] In some embodiments of the present application, the angle between the axis of the bearing and the axis of the output shaft of the motor is less than or equal to a preset angle.

[0098] In some embodiments of the present application, the motor bracket can be arranged on a foldable bracket.

[0099] In some embodiments of the present application, the outer ring of the bearing is fixed on the motor bracket, and the inner ring of the bearing is fixedly connected to the screw rod, so as to reduce the friction between the screw rod and the motor bracket when rotating.

[0100] It can be understood that the motor bracket provides support for the motor, bearings, screws, guide rods, etc.

[0101] In some embodiments of the present application, when the first region is Figure 5 The area shown in 18, the second area is Figure 5 When the foldable bracket is in the folded state, as shown in the area shown in 19' Fig.13 As shown in FIG. 1 , the distance between the transmission slider 1521 and the bearing 156 near the second area is d1; when the foldable bracket is in the folded state, as shown in FIG. Fig.14 As shown, the distance between the transmission slider 1521 and the bearing 156 close to the second area is d2. It can be seen that d1 is greater than d2.

[0102] In this way, since the guide rod and the screw rod can be supported by two bearings, not only the friction force on the screw rod can be reduced, but also the guiding accuracy of the guide rod can be improved, so that the movement of the first sliding block can be achieved more accurately.

[0103] In some embodiments of the present application, the driving signal of the motor is any one of the following: triggered by the folding angle of the flexible screen, triggered by a Hall signal.

[0104] In some embodiments of the present application, an angle sensor may be provided in the foldable bracket, and the angle sensor may detect the folding angle of the flexible screen. When the angle sensor detects that the folding angle of the flexible screen is greater than or equal to the angle threshold, the motor may drive the first slider to move to the first area; when the angle sensor detects that the folding angle of the flexible screen is less than the angle threshold, the motor may drive the first slider to move to the second area. The above angle threshold may be determined according to actual usage requirements.

[0105] In some embodiments of the present application, the angle sensor can be connected to the main board of the electronic device, that is, the main circuit board, and the main board is connected to the motor. That is, the angle sensor transmits the measured angle value to the main board, and the main board controls the working state of the motor according to the angle value.

[0106] In some embodiments of the present application, Figure 1 As shown, the electronic device 100 may further include: a Hall chip 21 and a Hall magnet 22 symmetrically arranged on the foldable bracket 12, and the Hall chip 21 and the Hall magnet 22 are symmetrical with respect to the folding line of the foldable bracket 12. The Hall chip 21 is connected to the first driving component.

[0107] In which, during the unfolding process of the foldable bracket 12, the Hall chip 21 outputs a first Hall signal, and the first driving component 15 drives the first slider 16 to move to the first area according to the first Hall signal; or, during the folding process of the foldable bracket 12, the Hall chip 21 outputs a second Hall signal, and the first driving component 15 drives the first slider 16 to move to the second area according to the second Hall signal.

[0108] In some implementations of this application, such as Figure 1 As shown, the electronic device 100 further includes a mainboard, and the Hall chip can be arranged on the mainboard. Further, the Hall chip is connected to the motor 151 through the mainboard.

[0109] It can be understood that when the foldable bracket is in the folded state, the Hall chip and the Hall magnet are located opposite each other.

[0110] In some embodiments of the present application, during the unfolding process of the foldable bracket, the distance between the Hall magnet and the Hall chip increases, so that the Hall chip produces a magnetic field change and outputs a first Hall signal, causing the motor to drive the screw to rotate in a first direction, thereby driving the transmission slider to move toward the first area until the first slider moves to the first area, so that the first slider overlaps with the first permanent magnet, achieving magnetic force weakening and no adsorption of foreign matter.

[0111] Similarly, during the folding process of the foldable bracket, the distance between the Hall magnet and the Hall chip decreases, so that the Hall chip produces a magnetic field change and outputs a second Hall signal, causing the motor to drive the screw to rotate in the second direction, thereby driving the transmission slider to move toward the second area until the first slider moves to the second area. At this time, since the first slider does not overlap with the first permanent magnet, the attraction of the first permanent magnet on the first ferromagnet is greater than the elastic force of the flexible screen, so that the flexible screen remains folded.

[0112] In some embodiments of the present application, the first Hall signal and the second Hall signal are different.

[0113] In some embodiments of the present application, the first Hall signal and the second Hall signal may be a Hall current or a Hall voltage.

[0114] The following uses an example in which the electronic device includes a first slider and a second slider to illustrate the working process of the electronic device provided in the embodiment of the present application.

[0115] For example, assuming that the foldable bracket changes from a folded state to an unfolded state, then, as shown in FIG11 , the first slider 16 is located in the second area 19, so that when the user unfolds the foldable bracket, as shown in FIG12 , the first slider 16 is located in the second area 19. Fig.16As shown, the electronic device changes from a folded state to an unfolded state, so that the distance between the Hall magnet and the Hall chip increases, and the magnetic force applied by the Hall magnet to the Hall chip decreases, so that the Hall chip generates a first current change; the Hall chip outputs a first Hall signal according to the first current change, so that the motor drives the screw to rotate along the third direction, so that the screw drives the first slider and the second slider to move along the first direction, so that the transmission rod drives the first slider and the second slider to move toward the first area until as shown in Fig.10 As shown, the first slider 16 moves to the first area 18, that is, the first slider overlaps with the first permanent magnet. At this time, the forces acting on the area of ​​the flexible screen corresponding to the first permanent magnet include: the magnetic force of the first permanent magnet, and the force generated by the antimagnetic material and in the opposite direction to the magnetic force, that is, the resultant force acting on the area of ​​the flexible screen corresponding to the first permanent magnet is smaller than the magnetic force of the first permanent magnet, thereby weakening the ability to adsorb foreign matter.

[0116] For example, assuming that the foldable bracket changes from the unfolded state to the folded state, as shown in FIG10 , the first slider 16 is located in the first area 18, so that when the user unfolds the foldable bracket, as shown in FIG11 , the first slider 16 is located in the first area 18. Fig.15 As shown, the foldable bracket changes from the unfolded state to the folded state, so that the distance between the Hall magnet and the Hall chip is reduced, and the magnetic force applied by the Hall magnet to the Hall chip becomes stronger, so that the Hall chip generates a second current change; the Hall chip outputs a second Hall signal according to the second current change, and the motor drives the screw to rotate in the fourth direction, and the screw drives the slider to move along the second direction, so that the transmission rod drives the first slider and the second slider to move toward the second area until the second slider overlaps with the first permanent magnet. At this time, the magnetic force of the first permanent magnet and the force generated by the paramagnetic material in the second slider have the same direction, so that the magnetic force on the magnetic part corresponding to the first permanent magnet in the electronic device is greater than the magnetic force of the first permanent magnet, so that the electronic device can stably maintain a folded state.

[0117] In this way, since the Hall signal output by the Hall chip is related to the folding angle of the flexible screen, the first driving component can be accurately controlled through the cooperation of the Hall chip and the Hall magnet, thereby improving the accuracy of moving the first slider.

[0118] In some embodiments of the present application, Fig.17 As shown, the electronic device 100 further includes: a second permanent magnet 14, a second driving assembly 23 and a third slider 24 arranged on the foldable bracket 12, wherein the third slider 24 is provided with antimagnetic material;

[0119] The second permanent magnet 14 and the first permanent magnet 13 are symmetrical with respect to the folding line of the foldable bracket 12, the third slider 24 is connected to the second driving assembly 23, and the first permanent magnet 13 and the third slider 24 are located between the foldable bracket 12 and the flexible screen 10;

[0120] In which, during the unfolding process of the foldable bracket 12, the second driving component 23 drives the third slider 24 to move to the third area opposite to the second permanent magnet 14; or, during the folding process of the foldable bracket 12, the second driving component 23 drives the third slider 24 to move to the fourth area that does not overlap with the second permanent magnet 14.

[0121] In some embodiments of the present application, the third slider and the second driving assembly may be disposed close to the second permanent magnet.

[0122] For the description of the second driving assembly, refer to the related description of the first driving assembly in the above embodiment.

[0123] It can be understood that when the first driving assembly, the first slider, and the second slider are arranged on the first frame of the foldable bracket, the second driving assembly can be arranged on the second frame of the foldable bracket.

[0124] In some embodiments of the present application, a source of a driving signal of the second driving component is the same as a source of a driving signal of the first driving component.

[0125] Exemplarily, the second driving component may also be connected to the Hall chip, so that the first driving component and the second driving component can be controlled to work simultaneously through the Hall signal output by the Hall chip.

[0126] In some embodiments of the present application, the electronic device may further include a fourth slider provided with a paramagnetic material, and the fourth slider is fixedly connected to the third slider. For other descriptions of the fourth slider, refer to the relevant description of the second slider in the above embodiment, and will not be repeated here to avoid repetition.

[0127] In some embodiments of the present application, the number of driving components and the number of sliders in the electronic device are determined according to the number of permanent magnets in the electronic device used to keep the electronic device stably in a folded state.

[0128] For example, Fig.18 As shown, the first permanent magnet 13 and the third permanent magnet 26 are arranged in the area of ​​the first frame 121 away from the folding line, and the first permanent magnet 13 and the third permanent magnet 26 correspond to a driving component, a slider provided with antimagnetic material, and a slider provided with paramagnetic material, respectively.

[0129] Further, assuming that two permanent magnets are also provided in the area of ​​the second frame 122 away from the folding line, a driving component, a slider provided with antimagnetic material, and a slider provided with paramagnetic material are respectively provided for each of the two permanent magnets in the electronic device.

[0130] Thus, when the electronic device is also provided with a second permanent magnet used in conjunction with the first permanent magnet, by providing a second drive component and a third slider provided with a diamagnetic material, on the one hand, since during the folding process of the foldable bracket, the second drive component can drive the third slider to move to a fourth area that does not overlap with the second permanent magnet, the diamagnetic material in the third slider can be located outside the magnetic field of the second permanent magnet or at the edge of the magnetic field, thereby preventing the diamagnetic material from generating a repulsive force opposite to the magnetic force of the second permanent magnet under the action of the magnetic field, thereby ensuring that the magnetic force between the second permanent magnet and the first permanent magnet is greater than the elastic force of the electronic device, so that the electronic device can stably maintain a folded state; on the other hand, since during the unfolding process of the foldable bracket, the second drive component can drive the third slider to move to a third area opposite to the second permanent magnet, the diamagnetic material in the third slider can be located in the center of the magnetic field of the second permanent magnet, thereby the diamagnetic material can generate a repulsive force opposite to the magnetic force of the second permanent magnet under the action of the magnetic field, thereby reducing the total magnetic force of the screen area of ​​the flexible screen corresponding to the first permanent magnet, thereby reducing the probability of foreign matter being adsorbed to the screen area, thereby improving the service life of the flexible screen.

[0131] It should be noted that, in this article, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0132] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present application, or the part that contributes to the prior art, can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM / RAM, a disk, or an optical disk), and includes a number of instructions for a terminal (which can be a mobile phone, a computer, a server, or a network device, etc.) to execute the methods described in each embodiment of the present application.

[0133] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. An electronic device, characterized in that: include: A flexible screen, a foldable bracket, a first slider, and the flexible screen, a first permanent magnet and a first driving assembly arranged on the foldable bracket, wherein the first slider is provided with antimagnetic material; The first slider is connected to the first driving assembly, and the first permanent magnet and the first slider are located between the foldable bracket and the flexible screen; Wherein, during the unfolding process of the foldable bracket, the first driving assembly drives the first sliding block to move to a first area opposite to the first permanent magnet; Alternatively, during the folding process of the foldable bracket, the first driving assembly drives the first sliding block to move to a second area that does not overlap with the first permanent magnet.

2. The electronic device according to claim 1, characterized in that: The electronic device further comprises: a second slider fixedly connected to the first slider, wherein the second slider is provided with a paramagnetic material; Wherein, when the first slider is located in the first area, the second slider does not overlap with the first permanent magnet; Alternatively, when the first sliding block is located in the second area, the second sliding block is opposite to the first permanent magnet.

3. The electronic device according to claim 1, characterized in that: The flexible screen is connected to the foldable bracket via a connecting piece; Wherein, the thickness of the first sliding block is smaller than the thickness of the connecting member.

4. The electronic device according to claim 1, characterized in that: The first driving assembly comprises: a motor, a transmission member, and a screw rod and a guide rod arranged in parallel; The screw is connected to the motor, the transmission member is sleeved on the screw and the guide rod, one end of the transmission member is threadedly matched with the screw, and the first slider is connected to the transmission member; Wherein, during the unfolding process of the foldable bracket, the motor drives the transmission member to move along the guide rod in the first direction through the screw rod, so as to drive the first slider to move to the first area; or, during the folding process of the foldable bracket, the motor drives the transmission member to move along the guide rod in the second direction through the screw rod, so as to drive the first slider to move to the second area; The first direction is opposite to the second direction.

5. The electronic device according to claim 4, characterized in that: The transmission member comprises: a transmission slider and a transmission rod; Wherein, the transmission slider is sleeved on the guide rod and the screw rod, the first end of the transmission rod is connected to the transmission slider, and the second end of the transmission rod is connected to the first slider.

6. The electronic device according to claim 5, characterized in that: The transmission rod is connected to the surface of the first sliding block close to the flexible screen; Wherein, the sum of the thickness of the transmission rod and the first sliding block is smaller than the thickness of the connecting member.

7. The electronic device according to claim 4, characterized in that: The first drive assembly also includes a motor bracket and two bearings; The motor and the two bearings are both arranged on the motor bracket, the two bearings are rotatably connected to the screw rod, and the two bearings are fixedly connected to the guide rod; Wherein, the motor bracket is connected to the foldable bracket.

8. The electronic device according to any one of claims 1 to 7, characterized in that: A mounting groove is provided in an area of ​​the first surface of the foldable bracket close to the first permanent magnet, and a first opening extending to a second surface of the foldable bracket is provided at the bottom of the mounting groove, wherein the second surface is a surface of the foldable bracket facing the flexible screen, and the second surface is opposite to the first surface; Wherein, the first transmission assembly is arranged in the installation groove and is connected to the first sliding block through the first opening.

9. The electronic device according to any one of claims 1 to 7, characterized in that: The electronic device further comprises: a Hall chip and a Hall magnet arranged on the foldable bracket, the Hall chip and the Hall magnet are symmetrical with respect to the folding line of the foldable bracket, and the Hall chip is connected to the first driving component; Wherein, during the unfolding process of the foldable bracket, the Hall chip outputs a first Hall signal, and the first driving component drives the first slider to move to the first area according to the first Hall signal; or, During the folding process of the foldable bracket, the Hall chip outputs a second Hall signal, and the first driving component drives the first slider to move to the second area according to the second Hall signal.

10. The electronic device according to any one of claims 1 to 7, characterized in that: The electronic device further comprises: a second permanent magnet, a second driving assembly and a third slider arranged on the foldable bracket, wherein the third slider is provided with antimagnetic material; The second permanent magnet and the first permanent magnet are symmetrical with respect to the folding line of the foldable bracket, the third slider is connected to the second driving assembly, and the first permanent magnet and the third slider are located between the foldable bracket and the flexible screen; Wherein, during the unfolding process of the foldable bracket, the second driving assembly drives the third slider to move to a third area opposite to the second permanent magnet; Alternatively, during the folding process of the foldable bracket, the second driving assembly drives the third sliding block to move to a fourth area that does not overlap with the second permanent magnet.

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