CN117041397A - Folding device, angle detection method and intelligent terminal - Google Patents

Abstract

The application provides a folding device, an angle detection method and an intelligent terminal, wherein the folding device comprises a detection assembly, a fixing piece and at least one rotating piece, and the rotating piece is rotatably arranged relative to the fixing piece; the detection assembly comprises an angle sensing unit, a first magnetic piece and a second magnetic piece, wherein the first magnetic piece is arranged on the fixed piece, the second magnetic piece is arranged on the rotating piece, and the angle sensing unit is configured to determine the folding angle of the folding device according to the magnetic field intensity of the first magnetic piece and the second magnetic piece. Through the technical scheme, the folding angle of the folding device can be accurately detected, and the user experience is further improved.

Description

Folding device, angle detection method and intelligent terminal

Technical Field

The application relates to the technical field of intelligent terminals, in particular to a folding device, an angle detection method and an intelligent terminal.

Background

With the continuous updating of electronic products, a large screen becomes a mainstream trend of the market, but the large screen is large in size and inconvenient to carry, so that a foldable intelligent terminal is generated.

In the course of conception and implementation of the present application, the inventors found that at least the following problems exist: the folding of the intelligent terminal is provided with an inward folding screen and an outward folding screen, the folded screen is a flexible display screen, so that the user can conveniently use the intelligent terminal, and different user interfaces need to be switched into when in different working states, therefore, the folding angle of the intelligent terminal needs to be accurately identified, and the user interfaces are convenient to match. The folding angle of the folding screen is usually detected by adopting a mechanical structure, and the detection precision of the folding angle is lower in the actual use process.

The foregoing description is provided for general background information and does not necessarily constitute prior art.

Disclosure of Invention

Aiming at the technical problems, the application provides a folding device, an angle detection method and an intelligent terminal, which can accurately detect the folding angle of the folding device.

In order to solve the technical problems, the application provides a folding device which comprises a detection assembly, a fixing piece and at least one rotating piece, wherein the rotating piece is rotatably arranged relative to the fixing piece.

Optionally, the detection assembly includes an angle sensing unit, a first magnetic member, and a second magnetic member.

Optionally, the first magnetic member is disposed on the fixing member.

Optionally, the second magnetic member is disposed on the rotating member.

Optionally, the angle sensing unit is configured to determine the folding angle of the folding device based on the magnetic field strengths of the first magnetic member and the second magnetic member.

Optionally, when the folding device is in the folded state, the angle sensing unit is at least partially overlapped with the projections of the first magnetic member and the second magnetic member in the rotation axis direction of the rotating member.

Optionally, the folding device further comprises a first folding member and a second folding member, the first folding member and the second folding member being located on opposite sides of the securing member, and/or,

When the first folding piece and the second folding piece are in the folding state, the angle sensing unit is at least partially overlapped with the projection of the first magnetic piece and the second magnetic piece on the first folding piece or the second folding piece.

Optionally, the folding device further comprises a flexible circuit board.

Optionally, the angle sensing unit is electrically connected to the flexible circuit board.

Optionally, one end of the flexible circuit board is electrically connected to the first folding member.

Optionally, the other end of the flexible circuit board is electrically connected to the second folder.

Optionally, the at least two rotating members include a first rotating member and a second rotating member.

Optionally, the angle sensing unit is disposed on the first rotating member.

Optionally, the second magnetic member is disposed on the second rotating member.

Optionally, the first magnetic member is disposed on the fixing member.

Optionally, the first rotating member and the second rotating member are located on opposite sides of the fixed member.

Optionally, the first magnetic member and the second magnetic member are made of the same magnetic material, and an external dimension of the first magnetic member is larger than an external dimension of the second magnetic member.

Optionally, the first magnetic member and the second magnetic member have the same outer dimensions, and the magnetization of the magnetic material constituting the first magnetic member is greater than the magnetization of the magnetic material constituting the second magnetic member.

Optionally, the magnetic pole direction of the first magnetic member is perpendicular to the plate surface of the fixing member, and the magnetic pole direction of the second magnetic member is perpendicular to the plate surface of the rotating member.

Optionally, the first magnetic member and the second magnetic member are located on the same axis as the angle sensing unit.

The application also provides an angle detection method which can be applied to the folding device, and the method comprises the following steps:

acquiring the magnetic field intensity of the first magnetic piece and the second magnetic piece;

the folding angle of the folding device is determined from the magnetic field strength.

Optionally, determining the folding angle of the folding device according to the change in the magnetic field strength includes: the folding angle of the folding device is determined according to the sum of the magnetic field intensity of the first magnetic piece and the magnetic field intensity of the second magnetic piece.

The application also provides an intelligent terminal, which comprises: a folding device as any one of the above.

Optionally, the smart terminal further comprises a flexible display screen.

Optionally, the intelligent terminal includes: the angle detection device comprises a memory and a processor, wherein the memory stores an angle detection program, and the angle detection program realizes the steps of the angle detection method when being executed by the processor.

As described above, the folding device, the angle detection method and the intelligent terminal provided by the application. The angle detection method can be applied to the folding device, and the method comprises the following steps: taking the magnetic field intensity of the first magnetic piece and the second magnetic piece; the folding angle of the folding device is determined from the magnetic field strength. The intelligent terminal comprises a flexible display screen and the folding device. The folding device comprises a detection assembly, a fixing piece and at least one rotating piece, wherein the rotating piece is rotatably arranged relative to the fixing piece; the detection assembly comprises an angle sensing unit, a first magnetic piece and a second magnetic piece, wherein the first magnetic piece is arranged on the fixed piece, the second magnetic piece is arranged on the rotating piece, and the angle sensing unit is configured to determine the folding angle of the folding device according to the magnetic field intensity of the first magnetic piece and the second magnetic piece.

Through the setting, namely, through the corresponding setting of first magnetic part, second magnetic part and angle sensing unit, because the position change of two rotation parts is more obvious in folding device opening and shutting process, consequently, even when little angle scope, the second magnetic part magnetic flux that sets up on the rotation part changes also can be more obvious, thereby can realize little angle folding angle detection, improve the detection precision of little angle, and/or, the stack setting of first magnetic part and second magnetic part, make can improve the detection precision of wide-angle, further can accurately detect folding device's folding angle, and need not to add extra material, the realizability is high, and is with low costs.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of a folding device in an embodiment of the application;

fig. 2 is a schematic structural diagram of an expanded state of an intelligent terminal in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a folded state of an intelligent terminal in an embodiment of the present application;

FIG. 4 is a schematic view showing the structure of the detecting unit in the unfolded state of the folding device according to the embodiment of the present application;

FIG. 5 is a graph showing the magnetic induction lines of the detection assembly in the unfolded state of the folding device according to the embodiment of the present application;

FIG. 6 is a graph showing the magnetic induction lines of the first magnetic member in the detection assembly in the unfolded state of the folding device according to the embodiment of the present application;

FIG. 7 is a graph showing the magnetic induction lines of the second magnetic member in the detection assembly in the unfolded state of the folding device according to the embodiment of the present application;

FIG. 8 is a schematic view of a detecting assembly in a folded state of a folding device according to an embodiment of the present application;

FIG. 9 is a graph showing the magnetic induction lines of the detection assembly in the folded state of the folding device in the embodiment of the present application;

FIG. 10 is a graph showing the magnetic induction lines of the first magnetic member in the detection assembly in the folded state of the folding device according to the embodiment of the present application;

FIG. 11 is a graph showing the magnetic induction lines of the second magnetic member in the detection assembly in the folded state of the folding device according to the embodiment of the present application;

Fig. 12 is a flowchart of an angle detection method of a folding device according to an embodiment of the present application;

FIG. 13 is a graph showing the relationship between the magnetic field strength of the first magnetic member and the folding angle in the folding apparatus according to the embodiment of the present application;

FIG. 14 is a graph showing the relationship between the sum of the magnetic field strengths of the first magnetic member and the second magnetic member and the folding angle in the folding apparatus according to the embodiment of the present application;

fig. 15 is a schematic hardware structure of an intelligent terminal for implementing various embodiments of the present application.

Description of the reference numerals:

a 100-folding device; 110-a detection component; 111-a first magnetic member; 112-a second magnetic member; 113-an angle sensing unit; 120-fixing piece; 130-a rotating member; 131-a first rotating member; 132-a second rotating member; 140-first fold; 150-a second fold; 160-a flexible circuit board; 170-a printed circuit board; 180-cell;

200-an intelligent terminal; 201-a radio frequency unit; 202-a WiFi module; 203-an audio output unit; 204-a/V input unit; 2041-a graphics processor; 2042-microphone; 205-sensor; 206-a display unit; 2061-a display panel; 207-a user input unit; 2071-a touch panel; 2072-other input device; 208-an interface unit; 209-memory; 210-a processor; 211-a power supply; 220-flexible display screen.

The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments. Specific embodiments of the present application have been shown by way of the above drawings and will be described in more detail below. The drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but rather to illustrate the inventive concepts to those skilled in the art by reference to the specific embodiments.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the application. Rather, they are merely examples of apparatus and methods consistent with aspects of the application as detailed in the accompanying claims.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises the element, and alternatively, elements having the same name in different embodiments of the application may have the same meaning or may have different meanings, a particular meaning of which is to be determined by its interpretation in this particular embodiment or further in connection with the context of this particular embodiment.

It should be understood that in the description of the present application, terms such as "inner", "outer", and the like, refer to directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or component must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.

Furthermore, it should be noted that, in the description of the present application, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be the communication between the two components. The specific meaning of the above terms in the present application can be understood by those skilled in the art according to the specific circumstances.

In addition, the terms "first," "second," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

In order to facilitate understanding, an application scenario to which the embodiments of the present application are applicable is first described below.

The folding device provided by the application can be applied to intelligent terminals, and the intelligent terminals can be intelligent terminals in various forms. For example, the smart terminals described in the present application may include smart terminals such as mobile phones, tablet computers, notebook computers, palm computers, personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and stationary terminals such as digital TVs, desktop computers, and the like.

In the following description, an intelligent terminal will be described as an example, and those skilled in the art will understand that the configuration according to the embodiment of the present application can be applied to a fixed type terminal in addition to elements particularly used for a mobile purpose.

Based on the above-mentioned intelligent terminal and the structure of the folding device in the intelligent terminal, various embodiments of the present application are provided.

First embodiment

Fig. 1 is a schematic structural view of a folding device in an embodiment of the present application, fig. 2 is a schematic structural view of an unfolded state of an intelligent terminal in an embodiment of the present application, and fig. 3 is a schematic structural view of a folded state of an intelligent terminal in an embodiment of the present application.

As shown in fig. 1 to 3, an embodiment of the present application provides a folding device 100, which includes a detecting assembly 110, a fixing member 120, and at least one rotating member 130, where the rotating member 130 is rotatably disposed relative to the fixing member 120.

The folding device 100 provided by the embodiment of the application is used for carrying the flexible display screen 220, and the flexible display screen 220 can be bent under the action of external force.

Alternatively, two rotating members 130 are positioned at opposite ends of the fixed member 120 and move relative to the fixed member 120.

Alternatively, the flexible display 220 may be an out-turned screen or an in-turned screen, embodiments of the application are not limited in this regard.

For convenience of description, in the embodiment of the present application, the flexible display 220 carried by the folding device 100 may be an inward folding screen, and the folding device 100 may be in a form of inward folding.

Optionally, the detecting assembly 110 includes an angle sensing unit 113, a first magnetic member 111 and a second magnetic member 112, the first magnetic member 111 is disposed on the fixed member 120, the second magnetic member 112 is disposed on the rotating member 130, and the angle sensing unit 113 is configured to determine the folding angle of the folding device 100 according to the magnetic field strengths of the first magnetic member 111 and the second magnetic member 112.

Alternatively, the first magnetic member 111 and the fixing member 120 may be connected by a detachable connection manner or a fixed connection manner. Alternatively, a bolt, snap, or hanging connection may be employed. Alternatively, embodiments of the present application are not limited in this regard.

Alternatively, the second magnetic member 112 and the rotating member 130 may be connected by a detachable connection or a fixed connection. Such as by bolts, snaps, or hanging connections. In particular, embodiments of the present application are not limited in this regard.

Alternatively, the first magnetic member 111 and the second magnetic member 112 may perform a curved motion along with the rotation of the folding device 100, and the angle sensing unit 113 may detect a continuously variable magnetic field, thereby detecting the folding angle of the folding device 100.

Optionally, the first magnetic member 111 and the second magnetic member 112 are disposed corresponding to the angle sensing unit 113, and the first magnetic member 111 and the second magnetic member 112 perform a curved motion along with the rotation of the folding device 100 to approach or separate from the angle sensing unit 113, and the closer the first magnetic member 111 and the second magnetic member 112 are to the angle sensing unit 113, the stronger the magnetic field strength of the angle sensing unit 113 is, and the farther the first magnetic member 111 and the second magnetic member 112 are to the angle sensing unit 113, the weaker the magnetic field strength of the angle sensing unit 113 is.

Alternatively, embodiments of the present application are not limited to a particular type of first magnetic member 111 and second magnetic member 112.

Alternatively, the first magnetic member 111 and the second magnetic member 112 may have the same structure, or may be different, and alternatively, the embodiment of the present application is not limited.

Alternatively, the first magnetic member 111 and the second magnetic member 112 may be magnets.

Alternatively, embodiments of the present application are not limited to a specific type of the angle sensing unit 113.

Alternatively, the angle sensing unit 113 includes an angle sensor, which may be a hall device.

Alternatively, the present application is not limited to the specific number of the first magnetic member 111, the second magnetic member 112, and the angle sensing unit 113.

With the above arrangement, that is, with the corresponding arrangement of the first magnetic member 111, the second magnetic member 112, and the angle sensing unit 113, the position change of the two rotating members 130 is more apparent during the opening and closing of the folding apparatus 100. Therefore, even in a small angle range, the magnetic flux of the second magnetic member 112 provided on the rotating member 130 changes more significantly, so that the detection of the folding angle of the small angle can be realized, and the detection accuracy of the small angle can be improved. And/or, the superposition of the first magnetic element 111 and the second magnetic element 112 can improve the detection precision of a large angle, and further can accurately detect the folding angle of the folding device 100, and no additional material is required, so that the realizability is high and the cost is low.

As shown in fig. 1 to 3, alternatively, when the folding apparatus 100 is in the folded state, the angle sensing unit 113 is at least partially overlapped with the projections of the first magnetic member 111 and the second magnetic member 112 in the rotation axis direction of the rotation member 130.

Alternatively, the design is such that the state of the rotating member 130 and the fixing member 120 is satisfied when the folding device 100 is folded or unfolded. In order to avoid the phenomenon that the first magnetic member 111 and the second magnetic member 112 interfere with each other when the folding apparatus 100 is folded.

Alternatively, the rotating member 130 and the fixing member 120 are not made of easily magnetized materials, the fixing member 120 is made of stainless steel materials or other alternative materials which are not easily magnetized, and the rotating members 130 on both sides can be made of carbon fiber, titanium alloy, high-strength aluminum or other materials.

As shown in fig. 1 to 3, the folding apparatus 100 may further include a first folding member 140 and a second folding member 150, and the first folding member 140 and the second folding member 150 are located at opposite sides of the fixing member 120.

Optionally, when the first folding member 140 and the second folding member 150 are in the folded state, the angle sensing unit 113 at least partially coincides with the projections of the first magnetic member 111 and the second magnetic member 112 on the first folding member 140 or the second folding member 150.

Alternatively, the first folder 140 and the second folder 150 are rotated by the rotating member 130.

Alternatively, the first folder 140 may be a metal piece, and the material thereof may include one or more of copper, iron, aluminum, tin, and lead.

Alternatively, the first folder 140 may be made of plastic. And (3) injecting molten plastic into a plastic product mold by pressure during injection molding, and cooling and molding to obtain the required plastic part.

Alternatively, the materials of the first folding members 140 and 140 may be the same or different, and embodiments of the present application are not limited in this regard.

Optionally, the material of the first folding member 140 is not limited in this embodiment.

Alternatively, the materials of the first folder 140 and the second folder 150 may be the same or different, and embodiments of the present application are not limited.

As shown in fig. 1 to 3, the folding device 100 further includes a flexible circuit board 160, and the angle sensing unit 113 is electrically connected to the flexible circuit board 160.

Optionally, one end of the flexible circuit board 160 is electrically connected to the first folder 140, and the other end of the flexible circuit board 160 is electrically connected to the second folder 150.

Optionally, the angle sensing unit 113 of the folding device 100 according to the embodiment of the present application is connected to the flexible circuit board 160, and since the flexible circuit board 160 has fewer magnetic devices, the angle sensing unit 113 is less affected by the magnetic field, and the angle sensing unit 113, the first magnetic member 111 and the second magnetic member 112 can accurately detect the folding angle of the folding device 100, with higher accuracy.

Optionally, the flexible circuit board 160 includes a first section, a second section and a third section, the second section is electrically connected between the first section and the third section, the first section is electrically connected to the circuit board, the third section is electrically connected to the circuit board, the second section is disposed across the rotating member 130, and the angle sensor is electrically connected to the third section.

Optionally, the folding device 100 further comprises a printed circuit board 170 and a battery 180, optionally, the angle sensing unit 113 is in electrical communication with the printed circuit board 170 via the flexible circuit board 160, the battery 180 powering the same.

With continued reference to fig. 1 to 3, alternatively, the at least two rotating members 130 include a first rotating member 131 and a second rotating member 132, the angle sensing unit 113 is disposed at the first rotating member 131, and the second magnetic member 112 is disposed at the second rotating member 132.

Alternatively, the first magnetic member 111 is disposed on the fixed member 120, and the first rotary member 131 and the second rotary member 132 are disposed on opposite sides of the fixed member 120.

Alternatively, the second magnetic member 112 may perform a curved motion along with the rotation of the folding device 100, and the angle sensing unit 113 is fixed on the first rotating member 131 and is disposed corresponding to the second magnetic member 112, that is, the angle sensing unit 113 and the second magnetic member 112 are disposed on opposite sides of the first magnetic member 111.

When the folding device 100 is folded or unfolded at a small angle, the second magnetic member 112 performs a curved motion, which can cause a magnetic field around the second magnetic member to change greatly, and the angle sensing unit 113 can detect a magnetic field with a small angle continuously changing, so as to accurately and continuously detect the small angle, realize the detection of the small angle, and improve the detection precision of the small angle.

With continued reference to fig. 1-3, alternatively, the first magnetic member 111 and the second magnetic member 112 are composed of the same magnetic material, and the outer dimension of the first magnetic member 111 is larger than the outer dimension of the second magnetic member 112; and/or the first magnetic member 111 and the second magnetic member 112 have the same outer dimensions, and the magnetization of the magnetic material constituting the first magnetic member 111 is greater than the magnetization of the magnetic material constituting the second magnetic member 112.

Alternatively, the magnetic flux of the first magnetic member 111 may be about 5 times that of the second magnetic member 112.

Alternatively, the second magnetic member 112 may perform a curved motion along with the rotation of the second rotating member 132, and the angle sensing unit 113 is fixed on the first rotating member 131 and is disposed corresponding to the second magnetic member 112, so as to detect a magnetic field change caused by the motion of the second magnetic member 112, thereby detecting the folding angle of the folding device 100.

When the folding device 100 is unfolded from the closing cover to the flattening process, the relative position change of the second magnetic piece 112 relative to the first magnetic piece 111 is obvious when the opening angle is smaller, and the magnetic flux change contrast of the second magnetic piece 112 detected by the angle sensing unit 113 is also obvious, so that the detection of the angle at a small angle is realized; similarly, when the opening angle is large, the magnetic flux of the first magnetic member 111 detected by the angle sensing unit 113 is also significantly changed in contrast, thereby realizing the detection of the angle at a large angle.

Fig. 4 is a schematic structural view of a detection assembly in an unfolded state of a folding device according to an embodiment of the present application, fig. 5 is a graph showing magnetic induction lines of the detection assembly in an unfolded state of the folding device according to an embodiment of the present application, fig. 6 is a graph showing magnetic induction lines of a first magnetic member in the detection assembly in an unfolded state of the folding device according to an embodiment of the present application, fig. 7 is a graph showing magnetic induction lines of a second magnetic member in the detection assembly in an unfolded state of the folding device according to an embodiment of the present application, fig. 8 is a schematic structural view of the detection assembly in a folded state of the folding device according to an embodiment of the present application, fig. 9 is a graph showing magnetic induction lines of the detection assembly in a folded state of the folding device according to an embodiment of the present application, fig. 10 is a graph showing magnetic induction lines of the first magnetic member in the detection assembly in a folded state of the folding device according to an embodiment of the present application, and fig. 11 is a graph showing magnetic induction lines of the second magnetic member in the detection assembly in a folded state of the folding device according to an embodiment of the present application.

As shown in fig. 1 to 11, alternatively, the magnetic pole direction of the first magnetic member 111 is perpendicular to the plate surface of the fixing member 120, and the magnetic pole direction of the second magnetic member 112 is perpendicular to the plate surface of the rotating member 130; the first magnetic member 111 and the second magnetic member 112 are located on the same axis as the angle sensing unit 113.

Alternatively, the magnetic pole direction of the first magnetic member 111 is perpendicular to the fixing member 120, alternatively, the N-stage is far from the fixing member 120 side, and the S-stage is near to the fixing member 120 side.

Alternatively, the magnetic pole direction of the second magnetic member 112 is perpendicular to the rotating member 130, alternatively, the S-stage is far from the rotating member 130 side, and the N-stage is near the rotating member 130 side.

Alternatively, the positions where the first magnetic member 111 and the second magnetic member 112 are disposed and the magnetic pole direction may be adjusted according to the actual situation, and the embodiments of the present application are not limited herein.

The intelligent terminal provided by the embodiment of the application comprises the flexible display screen and the folding device. Alternatively, the folding device may include a detecting assembly, a fixing member, and at least one rotating member rotatably disposed with respect to the fixing member; the detection assembly comprises an angle sensing unit, a first magnetic piece and a second magnetic piece, wherein the first magnetic piece is arranged on the fixed piece, the second magnetic piece is arranged on the rotating piece, and the angle sensing unit is configured to determine the folding angle of the folding device according to the magnetic field intensity of the first magnetic piece and the second magnetic piece.

Through the setting, namely, through the corresponding setting of first magnetic part, second magnetic part and angle sensing unit, because the position change of two rotation parts is more obvious in folding device opening and shutting process, consequently, even when little angle scope, the second magnetic part magnetic flux that sets up on the rotation part changes also can be more obvious, thereby can realize little angle folding angle detection, improve the detection precision of little angle, and/or, the stack setting of first magnetic part and second magnetic part, make can improve the detection precision of wide-angle, further can accurately detect folding device's folding angle, and need not to add extra material, the realizability is high, and is with low costs.

Second embodiment

Fig. 12 is a flowchart of an angle detection method of a folding device according to an embodiment of the present application, and as shown in fig. 1 to 12, an embodiment of the present application further provides an angle detection method, which is applied to the folding device 100, and includes the steps of:

s101, acquiring magnetic field intensity of a first magnetic piece and a second magnetic piece;

alternatively, the magnetic field strengths of the first magnetic member 111 and the second magnetic member 112 may be detected by the angle sensing unit 113 and an electric signal may be output, and the angle sensing unit 113 may be a hall sensor. The hall sensor may detect the magnetic field intensity of a fixed angle and convert the magnetic field signal into an electrical signal, and when the angle sensing unit 113 detects the continuously varying magnetic field intensity, the converted electrical signal will also be continuously varying.

S102, determining the folding angle of the folding device according to the magnetic field intensity.

Alternatively, fig. 13 is a graph showing the relationship between the magnetic field strength of the first magnetic member and the folding angle in the folding apparatus according to the embodiment of the present application, and fig. 14 is a graph showing the relationship between the sum of the magnetic field strengths of the first magnetic member and the second magnetic member and the folding angle in the folding apparatus according to the embodiment of the present application.

As shown in fig. 1 to 14, the magnetic field strength and the folding angle are optionally stored in the storage system of the folding apparatus 100 in a one-to-one correspondence and in advance.

Optionally, the angle sensing unit 113 cannot directly detect the angle, and needs to correlate the magnetic field strength with the folding angle of the folding device 100, so that calibration storage work is needed, where the calibration storage work corresponds the magnetic field strength detected by the angle sensing unit 113 to the folding angle of the folding device 100, and the initial correspondence obtained by the calibration operation is written into the system storage, and the subsequent terminal can be directly called in the process of angle detection.

Optionally, before the intelligent terminal leaves the factory, the intelligent terminal 200 can be calibrated in advance, corresponding magnetic field intensities are recorded every 10 degrees or 30 degrees in 0 degrees to 180 degrees, so that a plurality of data chains are formed, a graph is simulated according to the recorded magnetic field intensity of a single point and the corresponding folding angle relation, and a subsequent user can directly call in the angle detection process according to the graph.

Alternatively, the relationship between the magnetic field strength and the folding angle may be simulated a plurality of times in advance to form a relational expression, which is entered in advance in the storage system of the folding device 100. Optionally, the relation has an input end and an output end, the magnetic field strength may be used as the input end, and when the actual folding device 100 folds, the magnetic field strength is always in a changing state, that is, the numerical value of the input end is always in a changing state, and according to the calculated relation, the corresponding folding angle is also obtained correspondingly.

Alternatively, the specific relation is not limited herein, and mainly needs to be adjusted according to the actual situation, for example, the magnetic field strengths of the first magnetic member 111 and the second magnetic member 112 and the respective magnetic field strength changes.

Optionally, determining the folding angle of the folding device 100 according to the change in the magnetic field strength includes: the folding angle of the folding apparatus 100 is determined according to the sum of the magnetic field strength of the first magnetic member 111 and the magnetic field strength of the second magnetic member 112.

Optionally, the positions of the second magnetic member 112 and the first magnetic member 111 relative to the angle sensing unit 113 are all changed in the whole opening and closing process of the folding device, the magnetic flux change detected by the angle sensing unit 113 is the total amount of change after superposition of the two, the first magnetic member 111 is mainly changed when the angle is small, and the second magnetic member 112 is mainly changed when the angle is large, so that the angle detection in the whole opening and closing process can be realized.

Alternatively, the sum of the magnetic field strength of the first magnetic member 111 and the magnetic field strength of the second magnetic member 112, specifically the vector sum of the magnetic field strength of the first magnetic member 111 and the magnetic field strength of the second magnetic member 112.

Third embodiment

The embodiment of the application also provides an intelligent terminal 200, which comprises: the folding device 100 of any of the above, optionally, further includes a flexible display 220.

Optionally, the intelligent terminal may further include: the angle detection device comprises a memory and a processor, wherein the memory stores an angle detection program which realizes the steps of the angle detection method according to any embodiment when being executed by the processor.

Optionally, a flexible display screen 220 is used to display the image.

Alternatively, the flexible display 220 may be an Organic Light-Emitting Diode (OLED) display, an Active-Matrix Organic Light-Emitting Diode (AMOLED) display, a mini-led (Mini Organic Light-Emitting Diode) display, a micro-led (Micro Organic Light-Emitting Diode) display, a micro-Organic led (Micro Organic Light-Emitting Diode) display, a quantum dot led (Quantum Dot Light Emitting Diodes, QLED) display.

Alternatively, the intelligent terminal 200 provided in the embodiment of the present application may be implemented in various forms. For example, the smart terminal 200 described in the present application may include a smart terminal such as a mobile phone, a tablet computer, a notebook computer, a palm top computer, a personal digital assistant (Personal Digital Assistant, PDA), a portable media player (Portable Media Player, PMP), a navigation device, a wearable device, a smart bracelet, a pedometer, and a stationary terminal such as a digital TV, a desktop computer, and the like.

Optionally, regarding to the present embodiment, all the technical solutions of the folding device 100 in the foregoing embodiments are adopted in the intelligent terminal, so at least all the beneficial effects brought by the technical solutions of the foregoing embodiments are provided, and are not described in detail herein.

The intelligent terminal provided by the embodiment of the application comprises the flexible display screen and the folding device, and the position change of the two rotating parts is more obvious in the opening and closing process of the folding device through the corresponding arrangement of the first magnetic part, the second magnetic part and the angle sensing unit. Therefore, even in a small angle range, the magnetic flux of the second magnetic part arranged on the rotating part changes more obviously, so that the detection of the folding angle of the small angle can be realized, and the detection precision of the small angle is improved. And/or, the superposition setting of first magnetic part and second magnetic part for can improve the detection precision of wide-angle, further can accurately detect out folding angle of folding device, need not to add extra material moreover, realizability is high, with low costs.

Fourth embodiment

The embodiment of the application also provides a storage medium, wherein computer program instructions are stored in the storage medium, and the computer program instructions realize the angle detection method in the embodiment when being executed by a processor.

In the alternative, the storage medium includes a memory and a processor.

Optionally, the processor receives the electrical signal and converts the electrical signal into a folding angle of the folding device 100, and the processor converts the received electrical signal into the folding angle through the signal processing module, so as to obtain the folding angle of the folding device 100.

Optionally, the memory may be used to store software programs as well as various data. The memory may mainly include a storage program area and a storage data area, and alternatively, the storage program area may store an operating system, an application program (such as a sound playing function, an image playing function, etc.) required for at least one function, and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.

Optionally, the processor is a control center of the intelligent terminal 200, connects various parts of the entire intelligent terminal 200 using various interfaces and lines, and performs various functions of the intelligent terminal 200 and processes data by running or executing software programs and/or modules stored in the memory, and calling data stored in the memory, thereby performing overall monitoring of the intelligent terminal 200.

The processor may include one or at least one processing unit; preferably, the processor may integrate an application processor and a modem processor, the application processor optionally handling primarily an operating system, user interface and application programs, etc., the modem processor handling primarily wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor.

Alternatively, the following description will be made taking a smart terminal as an example of the smart terminal in the present application, and those skilled in the art will understand that the configuration according to the embodiment of the present application can be applied to a fixed type terminal in addition to elements particularly used for a mobile purpose.

Referring to fig. 15, which is a schematic hardware structure of an intelligent terminal for implementing various embodiments of the present application, the intelligent terminal 200 may include: an RF (Radio Frequency) unit 201, a WiFi module 202, an audio output unit 203, an a/V (audio/video) input unit 204, a sensor 205, a display unit 206, a user input unit 207, an interface unit 208, a memory 209, a processor 210, and a power supply 211. It will be appreciated by those skilled in the art that the configuration of the intelligent terminal shown in fig. 15 is not limiting of the intelligent terminal, and the intelligent terminal may include more or less components than those illustrated, or may combine certain components, or may have a different arrangement of components.

The following describes the components of the intelligent terminal in detail with reference to fig. 15:

the radio frequency unit 201 may be used for receiving and transmitting signals during the information receiving or communication process, specifically, after receiving downlink information of the base station, processing the downlink information by the processor 210; and, the uplink data is transmitted to the base station. Typically, the radio frequency unit 201 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 201 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol including, but not limited to, GSM (Global System of Mobile communication, global system for mobile communications), GPRS (General Packet Radio Service ), CDMA2000 (Code Division Multiple Access, 2000, CDMA 2000), WCDMA (Wideband Code Division Multiple Access ), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time Division synchronous code Division multiple access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, frequency Division duplex long term evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution, time Division duplex long term evolution), 5G, 6G, and the like.

WiFi belongs to a short-distance wireless transmission technology, and the intelligent terminal can help a user to send and receive emails, browse webpages, access streaming media and the like through the WiFi module 202, so that wireless broadband Internet access is provided for the user. Although fig. 15 shows a WiFi module 202, it is understood that it does not belong to the essential constitution of the intelligent terminal, and can be omitted entirely as required within the scope of not changing the essence of the invention.

The audio output unit 203 may convert audio data received by the radio frequency unit 201 or the WiFi module 202 or stored in the memory 209 into an audio signal and output as sound when the intelligent terminal 200 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 203 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the smart terminal 200. The audio output unit 203 may include a speaker, a buzzer, and the like.

The a/V input unit 204 is used to receive audio or video signals. The a/V input unit 204 may include a graphics processor (Graphics Processing Unit, GPU) 2041 and a microphone 2042, the graphics processor 2041 processing image data of still pictures or video obtained by an image capturing device (such as a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 206. The image frames processed by the graphics processor 2041 may be stored in memory 209 (or other storage medium) or transmitted via the radio frequency unit 201 or the WiFi module 202. The microphone 2042 can receive sound (audio data) via the microphone 2042 in a telephone call mode, a recording mode, a voice recognition mode, and the like operation mode, and can process such sound into audio data. The processed audio (voice) data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 201 in the case of a telephone call mode. The microphone 2042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated during the reception and transmission of audio signals.

The intelligent terminal 200 also includes at least one sensor 205, such as a light sensor, a motion sensor, and other sensors. Optionally, the light sensor includes an ambient light sensor that may adjust the brightness of the display panel 2061 according to the brightness of ambient light, and a proximity sensor that may turn off the display panel 2061 and/or the backlight when the smart terminal 200 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when stationary, and can be used for applications of recognizing the gesture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; as for other sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured in the mobile phone, the detailed description thereof will be omitted.

The display unit 206 is used to display information input by a user or information provided to the user. The display unit 206 may include a display panel 2061, and the display panel 2061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 207 may be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the intelligent terminal. Alternatively, the user input unit 207 may include a touch panel 2071 and other input devices 2072. The touch panel 2071, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 2071 or thereabout using any suitable object or accessory such as a finger, a stylus, or the like) and actuate the corresponding connection device according to a predetermined program. The touch panel 2071 may include two parts of a touch detection device and a touch controller. Optionally, the touch detection device detects the touch azimuth of the user, detects a signal brought by touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device, converts it into touch point coordinates, and sends the touch point coordinates to the processor 210, and can receive and execute commands sent from the processor 210. Further, the touch panel 2071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves. The user input unit 207 may include other input devices 2072 in addition to the touch panel 2071. Alternatively, other input devices 2072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, mouse, joystick, etc., and are not limited in particular herein.

Alternatively, the touch panel 2071 may overlay the display panel 2061, and when the touch panel 2071 detects a touch operation thereon or thereabout, the touch panel is transferred to the processor 210 to determine the type of touch event, and then the processor 210 provides a corresponding visual output on the display panel 2061 according to the type of touch event. Although in fig. 15, the touch panel 2071 and the display panel 2061 are two independent components for implementing the input and output functions of the intelligent terminal, in some embodiments, the touch panel 2071 and the display panel 2061 may be integrated to implement the input and output functions of the intelligent terminal, which is not limited herein.

The interface unit 208 serves as an interface through which at least one external device can be connected with the smart terminal 200. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 208 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or more elements within the smart terminal 200 or may be used to transmit data between the smart terminal 200 and an external device.

Memory 209 may be used to store software programs as well as various data. The memory 209 may mainly include a storage program area and a storage data area, and alternatively, the storage program area may store an operating system, an application program required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, memory 209 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.

The processor 210 is a control center of the intelligent terminal, connects various parts of the entire intelligent terminal using various interfaces and lines, and performs various functions of the intelligent terminal and processes data by running or executing software programs and/or modules stored in the memory 209 and calling data stored in the memory 209, thereby performing overall monitoring of the intelligent terminal. Processor 210 may include one or more processing units; preferably, the processor 210 may integrate an application processor and a modem processor, the application processor optionally handling primarily an operating system, user interface, application programs, etc., the modem processor handling primarily wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 210.

The intelligent terminal 200 may further include a power supply 211 (such as a battery) for supplying power to the respective components, and preferably, the power supply 211 may be logically connected to the processor 210 through a power management system, so as to perform functions of managing charging, discharging, power consumption management, etc. through the power management system.

Although not shown in fig. 15, the intelligent terminal 200 may further include a bluetooth module or the like, which is not described herein.

It can be understood that the above scenario is merely an example, and does not constitute a limitation on the application scenario of the technical solution provided by the embodiment of the present application, and the technical solution of the present application may also be applied to other scenarios. For example, as one of ordinary skill in the art can know, with the evolution of the system architecture and the appearance of new service scenarios, the technical solution provided by the embodiment of the present application is also applicable to similar technical problems.

The foregoing embodiment numbers of the present application are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.

The units in the device of the embodiment of the application can be combined, divided and deleted according to actual needs.

In the present application, the same or similar term concept, technical solution and/or application scenario description will be generally described in detail only when first appearing and then repeatedly appearing, and for brevity, the description will not be repeated generally, and in understanding the present application technical solution and the like, reference may be made to the previous related detailed description thereof for the same or similar term concept, technical solution and/or application scenario description and the like which are not described in detail later.

In the present application, the descriptions of the embodiments are emphasized, and the details or descriptions of the other embodiments may be referred to.

The technical features of the technical scheme of the application can be arbitrarily combined, and all possible combinations of the technical features in the above embodiment are not described for the sake of brevity, however, as long as there is no contradiction between the combinations of the technical features, the application shall be considered as the scope of the description of the application.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (10)

1. The folding device is characterized by comprising a detection assembly, a fixing piece and at least one rotating piece, wherein the rotating piece is rotatably arranged relative to the fixing piece;

the detection assembly comprises an angle sensing unit, a first magnetic piece and a second magnetic piece, wherein the first magnetic piece is arranged on the fixing piece, the second magnetic piece is arranged on the rotating piece, and the angle sensing unit is configured to determine the folding angle of the folding device according to the magnetic field intensity of the first magnetic piece and the second magnetic piece.

2. The folding device according to claim 1, wherein the angle sensing unit is at least partially overlapped with projections of the first magnetic member and the second magnetic member in a rotation axis direction of the rotating member when the folding device is in a folded state.

3. The folding device of claim 1, further comprising a first fold and a second fold, the first fold and the second fold being located on opposite sides of the securing member; and/or the number of the groups of groups,

when the first folding piece and the second folding piece are in a folding state, the angle sensing unit is at least partially overlapped with the projection of the first magnetic piece and the second magnetic piece on the first folding piece or the second folding piece.

4. The folding device of claim 3, further comprising a flexible circuit board, wherein the angle sensing unit is electrically connected to the flexible circuit board; and/or the number of the groups of groups,

one end of the flexible circuit board is electrically connected to the first folding piece, and the other end of the flexible circuit board is electrically connected to the second folding piece.

5. The folding device according to any one of claims 1 to 4, wherein at least two of the rotating members include a first rotating member and a second rotating member, the angle sensing unit is provided to the first rotating member, and the second magnetic member is provided to the second rotating member; and/or the number of the groups of groups,

The first magnetic piece is arranged on the fixing piece, and the first rotating piece and the second rotating piece are positioned on two opposite sides of the fixing piece.

6. The folding device of any one of claims 1 to 4, wherein the first magnetic member and the second magnetic member are composed of the same magnetic material, and an outer dimension of the first magnetic member is larger than an outer dimension of the second magnetic member; and/or the number of the groups of groups,

the first magnetic member and the second magnetic member have the same external dimensions, and the magnetization intensity of the magnetic material constituting the first magnetic member is greater than that of the magnetic material constituting the second magnetic member.

7. The folding device according to any one of claims 1 to 4, wherein a magnetic pole direction of the first magnetic member is perpendicular to a plate surface of the fixed member, and a magnetic pole direction of the second magnetic member is perpendicular to a plate surface of the rotating member; and/or the number of the groups of groups,

the first magnetic piece and the second magnetic piece are positioned on the same axis with the angle sensing unit.

8. An angle detection method, applied to the folding device according to any one of claims 1 to 7, comprising:

Acquiring the magnetic field intensity of the first magnetic piece and the second magnetic piece;

and determining the folding angle of the folding device according to the magnetic field intensity.

9. The angle detection method according to claim 8, wherein the determining the folding angle of the folding device according to the change in the magnetic field strength includes:

and determining the folding angle of the folding device according to the sum of the magnetic field intensity of the first magnetic piece and the magnetic field intensity of the second magnetic piece.

10. An intelligent terminal, characterized by comprising: folding device according to any one of claims 1 to 7; and/or the number of the groups of groups,

comprising the following steps: the angle detection device comprises a memory and a processor, wherein the memory stores an angle detection program, and the angle detection program realizes the steps of the angle detection method according to claim 8 or 9 when being executed by the processor.