Camera device and intelligent terminal

Abstract

The invention provides a camera device and an intelligent terminal, the camera device comprises a lens module and a driving motor, the driving motor comprises M magnets and a first coil, M is a positive integer greater than 1, the M magnets are arranged around the circumferential direction of the lens module, the first coil is connected to the lens module and is arranged corresponding to the magnets, and the first coil is connected to the lens module. The side face, close to the first coil, of each magnet is provided with at least one first inclined face for increasing magnetic flux and magnetic induction line density. According to the camera device, the magnetic flux actually penetrating through the first coil and the density of the magnetic induction line can be obviously increased, and power consumption can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of display devices, and in particular to a camera device and a smart terminal. Background Art

[0002] The AF coil of the mobile phone camera module is a large annular coil that controls the movement of the lens along the optical axis (such as the Z axis) to achieve the auto focus function; the OIS coil is four separate small coils that control the movement of the lens along the radial direction (X, Y axis) to achieve the automatic anti-shake function. The existing camera module includes four magnets, which are respectively set corresponding to the four OIS coils, and the four magnets are located outside the AF coil.

[0003] In the process of conceiving and implementing the present application, the inventors discovered that there are at least the following problems: the existing magnets are rectangular hexahedrons; when the AF coil or the OIS coil is energized, the coil and the magnet cooperate to generate the Lorentz force, but due to the shape limitations of the magnet, the magnetic flux density and the magnetic flux are both small, and the generated Lorentz force is small. If the Lorentz force needs to be increased, the current needs to be increased, resulting in increased power consumption.

[0004] The preceding description is intended to provide general background information and does not necessarily constitute prior art. Summary of the invention

[0005] The purpose of the present application is to provide a camera device that can significantly increase the magnetic flux and magnetic flux density that actually penetrate the first coil and reduce power consumption.

[0006] To solve the above technical problems, the present application provides a camera device, including a lens module and a driving motor, the driving motor including M magnets and a first coil, M is a positive integer greater than 1, the M magnets are arranged circumferentially around the lens module, the first coil is connected to the lens module and is arranged corresponding to the magnets, and each magnet is provided with at least one first inclined surface on the side close to the first coil to increase the magnetic flux and magnetic flux density.

[0007] Optionally, each of the magnets includes a first side surface and a second side surface, the first side surface is arranged adjacent to the first coil, the second side surface is arranged opposite to the first side surface, the first inclined surface is connected to the first side surface, and the first inclined surface is inclined in a direction away from the first coil.

[0008] Optionally, each of the magnets further includes an upper end surface and a lower end surface, and the upper end surface and the lower end surface are arranged opposite to each other in the vertical direction along the optical axis direction of the lens module.

[0009] Optionally, the first inclined surface is connected between the first side surface and the upper end surface, or the first inclined surface is connected between the first side surface and the lower end surface.

[0010] Optionally, two first inclined surfaces are provided on the side of each magnet close to the first coil, wherein one first inclined surface is connected between the first side surface and the upper end surface, and the other first inclined surface is connected between the first side surface and the lower end surface.

[0011] Optionally, the first side surface and the second side surface are parallel to each other, and the upper end surface and the lower end surface are parallel to each other.

[0012] Optionally, the first side surface is parallel to the second side surface, the upper end surface and the lower end surface are inclined toward the direction close to the first coil, and the angle between the upper end surface and the second side surface is greater than or equal to 90°, and the angle between the lower end surface and the second side surface is greater than or equal to 90°.

[0013] Optionally, two first inclined surfaces are provided on the side of each magnet close to the first coil, and the two first inclined surfaces are arranged opposite to each other up and down along the optical axis direction of the lens module. The two first inclined surfaces are connected between the first side surface and the second side surface, and the angles between the two first inclined surfaces and the second side surface are both less than 90°.

[0014] Optionally, the first coil includes an annular portion and a driving portion connected to the annular portion, the driving portions are arranged at intervals around the circumference of the lens module, and the side surface of each magnet provided with the first inclined surface faces each driving portion.

[0015] Optionally, a surface of each driving portion close to each magnet includes a first region and at least one second region, the first region is parallel to a side surface of the magnet, and the second region is parallel to the first inclined surface.

[0016] Optionally, the driving motor further includes M second coils for driving the lens module to realize an anti-shake function, each of the second coils is arranged in one-to-one correspondence with each of the magnets, and each of the second coils is connected to the lens module.

[0017] Optionally, each of the magnets and each of the second coils are arranged relative to each other up and down along the optical axis direction of the lens module, and each of the magnets is provided with a second inclined surface at one end close to the second coil to increase the magnetic flux and magnetic flux density, and the second inclined surface is connected to the second side surface, and the second inclined surface is inclined in a direction close to the first coil.

[0018] Optionally, the lens module includes a first bracket, a second bracket, a first elastic member, a second elastic member, a lens mount and a lens, the first bracket and the second bracket are arranged opposite to each other, the second bracket is connected to the first bracket through a suspension wire, the first elastic member is connected between the first bracket and the lens mount, the second elastic member is connected between the second bracket and the lens mount, the lens is installed on the lens mount, the first coil is connected to the lens mount, and each of the magnets is connected to the first bracket.

[0019] The present application also provides a smart terminal, comprising the above-mentioned camera device.

[0020] The side of the magnet of the camera device of the present application close to the first coil is provided with a first inclined plane, which can significantly increase the magnetic flux and magnetic flux density that actually penetrate the first coil, and increase the Lorentz force of the drive motor. According to the Lorentz force formula (F = B × I × L, where F is the Lorentz force, B is the magnetic flux, I is the current, and L is the length of the first coil), it can be known that under the condition of the same current size, the larger the magnetic flux, the greater the Lorentz force that the drive motor can provide. Under the condition of the same Lorentz force, the larger the magnetic flux, the smaller the required current, which is conducive to reducing power consumption. Since the first inclined plane is provided on the magnet, the magnet has no magnetic interference from the top and bottom coils, and the radial size of the camera device can be reduced. In addition, the first inclined plane is provided on the magnet, which can reduce the volume of the magnet and reduce material costs.

[0021] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the following specifically cites the preferred embodiments and describes them in detail with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present application, and are used together with the specification to explain the principles of the present application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor.

[0023] Figure 1 A schematic diagram of the hardware structure of a mobile terminal for implementing various embodiments of the present application;

[0024] Figure 2 A communication network system architecture diagram provided for an embodiment of the present application;

[0025] Figure 3is a schematic diagram of the disassembled structure of the camera device according to the first embodiment of the present application;

[0026] Figure 4 is a schematic cross-sectional structural diagram of a magnet and a first coil according to a first embodiment of the present application;

[0027] Figure 5 is a schematic cross-sectional structural diagram of a magnet and a first coil according to a second embodiment of the present application;

[0028] Figure 6 is a schematic cross-sectional structural diagram of a magnet and a first coil according to a third embodiment of the present application;

[0029] Figure 7 is a schematic cross-sectional structural diagram of a magnet and a first coil according to a fourth embodiment of the present application;

[0030] Figure 8 is a schematic cross-sectional structural diagram of a magnet and a first coil according to a fifth embodiment of the present application;

[0031] Fig. 9 is a schematic cross-sectional structural diagram of a magnet and a first coil according to a sixth embodiment of the present application;

[0032] Fig.10 is a structural schematic diagram of a magnet, a first coil, and a second coil in a seventh embodiment of the present application;

[0033] Fig.11 yes Fig.10 The cross-sectional structure diagram of the magnet, the first coil and the second coil is shown.

[0034] The realization of the purpose, functional features and advantages of this application will be further described in conjunction with the embodiments and with reference to the accompanying drawings. The above-mentioned drawings have shown clear embodiments of this application, which will be described in more detail later. These drawings and textual descriptions are not intended to limit the scope of the concept of this application in any way, but to illustrate the concept of this application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0035] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present application. Instead, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0036] It should be noted that, in this article, the terms "include", "comprises" or any other variants thereof are intended to cover non-exclusive inclusion, so that a 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, an element defined by the sentence "includes a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element. Optionally, components, features, and elements with the same name in different embodiments of the present application may have the same meaning or different meanings, and their specific meanings need to be determined by their explanation in the specific embodiment or further combined with the context in the specific embodiment.

[0037] It should be understood that, although the terms first, second, third, etc. may be used to describe various information in this article, these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of this article, the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information. Depending on the context, the word "if" as used herein can be interpreted as "at the time of" or "when" or "in response to determination". Furthermore, as used in this article, the singular forms "one", "one" and "the" are intended to also include plural forms, unless there is an opposite indication in the context. It should be further understood that the terms "comprising" and "including" indicate that there are the described features, steps, operations, elements, components, projects, kinds, and / or groups, but do not exclude the existence, occurrence or addition of one or more other features, steps, operations, elements, components, projects, kinds, and / or groups. The terms "or", "and / or", "including at least one of the following" etc. used in this application can be interpreted as inclusive, or mean any one or any combination. For example, “comprising at least one of the following: A, B, C” means “any of the following: A; B; C; A and B; A and C; B and C; A and B and C”, and for another example, “A, B or C” or “A, B and / or C” means “any of the following: A; B; C; A and B; A and C; B and C; A and B and C”. An exception to this definition will only occur when a combination of elements, functions, steps or operations are inherently mutually exclusive in some manner.

[0038] It should be understood that, although the various steps in the flowchart in the embodiment of the present application are displayed in sequence according to the indication of the arrows, these steps are not necessarily performed in sequence according to the order indicated by the arrows. Unless there is a clear explanation in this article, the execution of these steps does not have a strict order restriction, and it can be performed in other orders. Moreover, at least a portion of the steps in the figure may include a plurality of sub-steps or a plurality of stages, and these sub-steps or stages are not necessarily performed at the same time, but can be performed at different times, and their execution order is not necessarily performed in sequence, but can be performed in turn or alternately with other steps or at least a portion of the sub-steps or stages of other steps.

[0039] As used herein, the words "if" and "if" may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting", depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to determining" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)", depending on the context.

[0040] It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0041] In the subsequent description, the suffixes such as "module", "component" or "unit" used to represent elements are only used to facilitate the description of the present application, and have no specific meanings. Therefore, "module", "component" or "unit" can be used in a mixed manner.

[0042] The smart terminal may be implemented in various forms. For example, the smart terminal described in this application may include smart terminals such as mobile phones, tablet computers, laptop computers, PDAs, portable media players (PMPs), navigation devices, wearable devices, smart bracelets, pedometers, etc., as well as fixed terminals such as digital TVs and desktop computers.

[0043] The subsequent description will be illustrated by taking a smart terminal as an example, and those skilled in the art will understand that, in addition to components specifically used for mobile purposes, the construction according to the embodiments of the present application can also be applied to fixed-type terminals.

[0044] Figure 1 For a hardware structure diagram of a mobile terminal implementing each embodiment of the present application, please refer to Figure 1, which is a schematic diagram of the hardware structure of a smart terminal for implementing various embodiments of the present application, the smart terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, A / V (audio / video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111 and other components. Those skilled in the art can understand that Figure 1 The structure of the smart terminal shown in the figure does not constitute a limitation on the smart terminal. The smart terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange the components differently.

[0045] Combine the following Figure 1 A detailed introduction to each component of the smart terminal:

[0046] The radio frequency unit 101 can be used for receiving and sending signals during information transmission or communication. Specifically, after receiving the downlink information of the base station, it is sent to the processor 110 for processing; in addition, the uplink data is sent to the base station. Generally, the radio frequency unit 101 includes but is not limited to an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc. In addition, the radio frequency unit 101 can also communicate with the network and other devices through wireless communication. The above-mentioned wireless communications can use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication), GPRS (General Packet Radio Service), CDMA2000 (Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution) and 5G, etc.

[0047] WiFi is a short-range wireless transmission technology. The smart terminal can help users send and receive emails, browse web pages, and access streaming media through the WiFi module 102. It provides users with wireless broadband Internet access. Figure 1 The WiFi module 102 is shown, but it is understandable that it is not a necessary component of the smart terminal and can be omitted as needed without changing the essence of the invention.

[0048] The audio output unit 103 can convert the audio data received by the RF unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output it as sound when the smart terminal 100 is in a call signal receiving mode, a call mode, a recording mode, a voice recognition mode, a broadcast receiving mode, etc. Moreover, the audio output unit 103 can also provide audio output related to a specific function performed by the smart terminal 100 (for example, a call signal receiving sound, a message receiving sound, etc.). The audio output unit 103 may include a speaker, a buzzer, etc.

[0049] The A / V input unit 104 is used to receive audio or video signals. The A / V input unit 104 may include a graphics processor (GPU) 1041 and a microphone 1042, and the graphics processor 1041 processes the image data of a static picture or video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode. The processed image frame can be displayed on the display unit 106. The image frame processed by the graphics processor 1041 can be stored in the memory 109 (or other storage medium) or sent via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 can receive sound (audio data) via the microphone 1042 in a telephone call mode, a recording mode, a voice recognition mode, and other operating modes, and can process such sound into audio data. The processed audio (voice) data can be converted into a format output that can be sent to a mobile communication base station via the radio frequency unit 101 in the case of a telephone call mode. The microphone 1042 can implement various types of noise elimination (or suppression) algorithms to eliminate (or suppress) noise or interference generated in the process of receiving and sending audio signals.

[0050] The smart terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Optionally, the light sensor includes an ambient light sensor and a proximity sensor. Optionally, the ambient light sensor can adjust the brightness of the panel 1061 according to the brightness of the ambient light, and the proximity sensor can turn off the panel 1061 and / or the backlight when the smart terminal 100 is moved to the ear. As a type of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in all directions (generally three axes), and can detect the magnitude and direction of gravity when stationary. It can be used for applications that identify the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for other sensors that can also be configured on the mobile phone, such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., they will not be repeated here.

[0051] The display unit 106 is used to display information input by the user or information provided to the user. The display unit 106 may include a flexible display panel 1061, which may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), or the like.

[0052] The user input unit 107 can be used to receive input digital or character information, and to generate key signal input related to the user settings and function control of the intelligent terminal. Optionally, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also known as a touch screen, can collect the user's touch operation on or near it (such as the user's operation on the touch panel 1071 or near the touch panel 1071 using any suitable object or accessory such as a finger, stylus, etc.), and drive the corresponding connection device according to a pre-set program. The touch panel 1071 may include two parts: a touch detection device and a touch controller. Optionally, the touch detection device detects the user's touch orientation, detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into the touch point coordinates, and then sends it to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 can be implemented in various types such as resistive, capacitive, infrared, and surface acoustic waves. In addition to the touch panel 1071, the user input unit 107 may further include other input devices 1072. Optionally, the other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, a function key (such as a volume control key, a switch key, etc.), a trackball, a mouse, a joystick, etc., which are not specifically limited here.

[0053] Optionally, the touch panel 1071 may cover the flexible display panel 1061. When the touch panel 1071 detects a touch operation on or near it, it transmits it to the processor 110 to determine the type of touch event, and then the processor 110 provides a corresponding visual output on the panel 1061 according to the type of touch event. Figure 1 In the figure, the touch panel 1071 and the flexible display panel 1061 are used as two independent components to realize the input and output functions of the smart terminal. However, in some embodiments, the touch panel 1071 and the flexible display panel 1061 can be integrated to realize the input and output functions of the smart terminal, which is not limited here.

[0054] The interface unit 108 is used as an interface through which at least one external device can be connected to the smart terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, an audio input / output (I / O) port, a video I / O port, a headphone port, etc. The interface unit 108 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 100 or may be used to transmit data between the smart terminal 100 and an external device.

[0055] The memory 109 can be used to store software programs and various data. The memory 109 can mainly include a program storage area and a data storage area. Optionally, the program storage area can store an operating system, an application required for at least one function (such as a sound playback function, an image playback function, etc.), etc.; the data storage area can store data created according to the use of the mobile phone (such as audio data, a phone book, etc.), etc. In addition, the memory 109 can include a high-speed random access memory, and can also include a non-volatile memory, such as at least one disk storage device, a flash memory device, or other volatile solid-state storage devices.

[0056] The processor 110 is the control center of the smart terminal. It uses various interfaces and lines to connect various parts of the entire smart terminal. It executes various functions of the smart terminal and processes data by running or executing software programs and / or modules stored in the memory 109, and calling data stored in the memory 109, so as to monitor the smart terminal as a whole. The processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor and a modem processor. Optionally, the application processor mainly processes the operating system, user interface, and application programs, and the modem processor mainly processes wireless communications. It is understandable that the above-mentioned modem processor may not be integrated into the processor 110.

[0057] The intelligent terminal 100 may also include a power supply 111 (such as a battery) for supplying power to various components. Preferably, the power supply 111 may be logically connected to the processor 110 through a power management system, thereby managing functions such as charging, discharging, and power consumption through the power management system.

[0058] although Figure 1 Not shown, the smart terminal 100 may also include a Bluetooth module, etc., which will not be described in detail here.

[0059] To facilitate understanding of the embodiments of the present application, the communication network system on which the smart terminal of the present application is based is described below.

[0060] See also Figure 2 , Figure 2 A communication network system architecture diagram is provided for an embodiment of the present application, wherein the communication network system is an LTE system of universal mobile communication technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203 and an operator's IP service 204, which are connected in sequence for communication.

[0061] Optionally, UE201 may be the above-mentioned terminal 100, which will not be described in detail here.

[0062] E-UTRAN 202 includes eNodeB 2021 and other eNodeBs 2022 , etc. Optionally, eNodeB 2021 may be connected to other eNodeBs 2022 via a backhaul (eg, an X2 interface), and eNodeB 2021 is connected to EPC 203 , and eNodeB 2021 may provide UE 201 with access to EPC 203 .

[0063] EPC203 may include MME (Mobility Management Entity) 2031, HSS (Home Subscriber Server) 2032, other MMEs 2033, SGW (Serving Gate Way) 2034, PGW (PDN Gate Way) 2035 and PCRF (Policy and Charging Rules Function) 2036, etc. Optionally, MME 2031 is a control node that processes signaling between UE 201 and EPC 203, and provides bearer and connection management. HSS 2032 is used to provide some registers to manage functions such as home location register (not shown in the figure), and store some user-specific information such as service features and data rates. All user data can be sent through SGW2034, PGW2035 can provide IP address allocation and other functions for UE 201, PCRF2036 is the policy and charging control policy decision point for service data flow and IP bearer resources, which selects and provides available policy and charging control decisions for the policy and charging execution function unit (not shown in the figure).

[0064] The IP service 204 may include the Internet, an intranet, an IMS (IP Multimedia Subsystem) or other IP services.

[0065] Although the above introduction takes the LTE system as an example, those skilled in the art should know that the present application is not only applicable to the LTE system, but also to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, 5G and future new network systems (such as 6G), etc., without limitation here.

[0066] Based on the above-mentioned smart terminal hardware structure and communication network system, various embodiments of the present application are proposed.

[0067] First embodiment

[0068] Figure 3 is a schematic diagram of the disassembled structure of the camera device according to the first embodiment of the present application, Figure 4 is a schematic cross-sectional view of the magnet and the first coil of the first embodiment of the present application, as shown Figure 3 and Figure 4As shown, the camera device includes a lens module 10 and a driving motor 20, the driving motor 20 includes M magnets 21 and a first coil 22, M is a positive integer greater than 1, the M magnets 21 are arranged around the circumference of the lens module 10, the first coil 22 is connected to the lens module 10, and is arranged corresponding to the magnets 21, and each magnet 21 is provided with at least one first inclined surface 211 for increasing the magnetic flux and the magnetic flux density on the side close to the first coil 22. When the first coil 22 is energized, a Lorentz force is generated between the first coil 22 and each magnet 21 to drive the lens module 10 to move up and down to achieve a focusing action; controlling the current direction of the first coil 22 can control the direction of the Lorentz force, thereby driving the lens module 10 to rise or fall.

[0069] The side of the magnet 21 of the camera device of the present application near the first coil 22 is provided with a first inclined surface 211, which can significantly increase the magnetic flux and magnetic flux density that actually penetrate the first coil 22, and increase the Lorentz force of the drive motor 20. According to the Lorentz force formula (F=B×I×L, where F is the Lorentz force, B is the magnetic flux, I is the current, and L is the length of the first coil 22), it can be known that under the condition of the same current size, the larger the magnetic flux, the greater the Lorentz force that the drive motor 20 can provide. Under the condition of the same Lorentz force, the larger the magnetic flux, the smaller the required current, which is conducive to reducing power consumption. Since the first inclined surface 211 is provided on the magnet 21, the magnet 21 has no magnetic interference from the top and bottom coils, which can reduce the radial size of the camera device. In addition, the first inclined surface 211 is provided on the magnet 21, which can reduce the volume of the magnet 21 and reduce material costs.

[0070] Alternatively, if Figure 4 As shown, each magnet 21 includes a first side surface 212 and a second side surface 213, the first side surface 212 is disposed adjacent to the first coil 22, the second side surface 213 is disposed opposite to the first side surface 212, the first inclined surface 211 is connected to the first side surface 212, and the first inclined surface 211 is inclined in a direction away from the first coil 22. In this embodiment, the first side surface 212 and the second side surface 213 are parallel to each other, and the first side surface 212 is parallel to the optical axis direction of the lens module 10.

[0071] Optionally, the first side 212 is the north pole (N) surface of each magnet 21; the second side 213 is the south pole (S) surface of each magnet 21; or, the second side 213 is the north pole (N) surface of each magnet 21; the first side 212 is the south pole (S) surface of each magnet 21.

[0072] Optionally, each magnet 21 further includes an upper end surface 214 and a lower end surface 215, and the upper end surface 214 and the lower end surface 215 are arranged opposite to each other in the direction of the optical axis of the lens module 10. In this embodiment, the upper end surface 214 and the lower end surface 215 are parallel to each other; the upper end surface 214 and the lower end surface 215 are arranged along the radial direction of the lens module 10, that is, the optical axis direction of the lens module 10 is perpendicular to the upper end surface 214 and the lower end surface 215.

[0073] Optionally, when only one first inclined surface 211 is provided on the magnet 21, the first inclined surface 211 is connected between the first side surface 212 and the upper end surface 214, or the first inclined surface 211 is connected between the first side surface 212 and the lower end surface 215. In this embodiment, the angle α between the first inclined surface 211 and the upper end surface 214 toward the extension direction of the first coil 22 is less than or equal to 45° and greater than 0°, for example, the angle is 10°, 15°, 20°, 25°, 30°.

[0074] Alternatively, if Figure 4 As shown, two first inclined surfaces 211 are provided on the side of each magnet 21 close to the first coil 22 , wherein one first inclined surface 211 is connected between the first side surface 212 and the upper end surface 214 , and the other first inclined surface 211 is connected between the first side surface 212 and the lower end surface 215 .

[0075] Optionally, the angle between the first inclined surface 211 and the first side surface 212 is greater than 90° and less than or equal to 135°. Figure 3 As shown, the lens module 10 includes a first bracket 12, a second bracket 13, a first elastic member 14, a second elastic member 15, a lens mount 16 and a lens (not shown in the figure), the first bracket 12 and the second bracket 13 are arranged opposite to each other, the second bracket 13 is connected to the first bracket 12 through a suspension wire 131, the first elastic member 14 is connected between the first bracket 12 and the lens mount 16, the second elastic member 15 is connected between the second bracket 13 and the lens mount 16, the lens is mounted on the lens mount 16, the first coil 22 is connected to the lens mount 16, and each magnet 21 is connected to the first bracket 12. In this embodiment, a connecting frame 17 is fixed to the outer side of the first bracket 12, and M magnets 21 are fixed to the connecting frame 17; the outer wall of the lens mount 16 is provided with a mounting groove, the mounting groove is arranged around the circumference of the lens mount 16, and the first coil 22 is installed in the mounting groove.

[0076] Optionally, the driving motor 20 includes four magnets 21 , and the four magnets 21 are evenly distributed around the lens holder 16 .

[0077] Alternatively, if Figure 3As shown, the driving motor 20 includes M second coils 23 for driving the lens module 10 to realize the anti-shake function, each second coil 23 is arranged in a one-to-one correspondence with each magnet 21, and each second coil 23 is connected to the lens module 10. In this embodiment, each second coil 23 is connected to the second bracket 13, and the second bracket 13 is provided with a protective cover plate 18 covering each second coil 23.

[0078] Second embodiment

[0079] Figure 5 is a schematic cross-sectional view of the magnet and the first coil of the second embodiment of the present application, as shown Figure 5 As shown, the camera device of this embodiment is substantially the same as the camera device of the first embodiment, except that the shape of the magnet 21 is different. In this embodiment, two first inclined surfaces 211 are provided on the side of each magnet 21 close to the first coil 22, and the two first inclined surfaces 211 are arranged opposite to each other up and down along the optical axis direction of the lens module 10, and the two first inclined surfaces 211 are both connected between the first side surface 212 and the second side surface 213, and the angles between the two first inclined surfaces 211 and the second side surface 213 are both less than 90°; the angles between the two first inclined surfaces 211 and the first side surface 212 are both greater than 90° and less than or equal to 135°.

[0080] Optionally, the cross section of each magnet 21 is approximately trapezoidal.

[0081] Third embodiment

[0082] Figure 6 is a schematic cross-sectional view of the magnet and the first coil of the third embodiment of the present application, as shown Figure 6 As shown, the camera device of this embodiment is substantially the same as the camera device of the above embodiment, except that the shape of the magnet 21 is different. In this embodiment, two first inclined surfaces 211 are provided on the side of each magnet 21 close to the first coil 22, wherein one first inclined surface 211 is connected between the first side surface 212 and the upper end surface 214, and the other first inclined surface 211 is connected between the first side surface 212 and the lower end surface 215; the first side surface 212 and the second side surface 213 are parallel to each other, the upper end surface 214 and the lower end surface 215 are inclined toward the direction close to the first coil 22, and the angle between the upper end surface 214 and the second side surface 213 is greater than or equal to 90°, and the angle between the lower end surface 215 and the second side surface 213 is greater than or equal to 90°.

[0083] Optionally, the first side surface 212 and the second side surface 213 are parallel to each other, and the length of the first side surface 212 along the optical axis direction of the lens module 10 is greater than the length of the second side surface 213 .

[0084] Fourth embodiment

[0085] Figure 7is a schematic cross-sectional view of the magnet and the first coil of the fourth embodiment of the present application, as shown Figure 7 As shown, the camera device of this embodiment is substantially the same as the camera device of the above embodiment, except that the structure of the first coil 22 is different. In this embodiment, the first coil 22 includes an annular portion 221 and a driving portion 223 connected to the annular portion 221, the driving portions 223 are arranged around the circumference of the lens module 10 and spaced from each other, and the side of each magnet 21 having the first inclined surface 211 faces each driving portion 223.

[0086] Optionally, the annular portion 221 is annular, and is disposed around the optical axis direction of the lens module 10 , and each driving portion 223 is disposed along the optical axis direction of the lens module 10 .

[0087] Optionally, each driving part 223 is disposed between each magnet 21 and the lens module 10 , and the north pole of each magnet 21 faces each driving part 223 .

[0088] The present application changes the winding method of the first coil 22 so that the annular portion 221 is wound around the bottom of the magnet 21 and the driving portion 223 is arranged on the inner side of the magnet 21. The total Lorentz force (i.e., thrust) provided by the first coil 22 is greater than the thrust that can be provided by only winding the coil around the inner side of the magnet.

[0089] Fifth embodiment

[0090] Figure 8 is a schematic cross-sectional view of the magnet and the first coil of the fifth embodiment of the present application, as shown Figure 8 As shown, the camera device of this embodiment is substantially the same as the camera device of the fourth embodiment, except that the structure of the first coil 22 is different. In this embodiment, each magnet 21 is disposed between each driving part 223 and the lens module 10, and the south pole of each magnet 21 faces each driving part 223.

[0091] Sixth embodiment

[0092] Fig. 9 is a schematic cross-sectional view of the magnet and the first coil of the sixth embodiment of the present application, as shown Fig. 9 As shown, the camera device of this embodiment is substantially the same as the camera device of the above embodiment, except that the shape of the driving portion 223 is different. In this embodiment, the surface of each driving portion 223 close to each magnet 21 includes a first area 2231 and at least one second area 2232, the first area 2231 is parallel to the side of the magnet 21, and the second area 2232 is parallel to the first inclined surface 211.

[0093] Optionally, each driving portion 223 is in a curved shape, and each driving portion 223 includes a first area 2231 and two second areas 2232 , and the first area 2231 is connected between the two second areas 2232 ; each magnet 21 is provided with two first inclined surfaces 211 , and the two first inclined surfaces 211 are parallel to the second areas 2232 .

[0094] Seventh embodiment

[0095] Fig.10 is a schematic structural diagram of a magnet, a first coil and a second coil in a seventh embodiment of the present application, Fig.11 yes Fig.10 The cross-sectional structure diagram of the magnet, the first coil and the second coil shown in FIG. Fig.10 and Fig.11 As shown, the camera device of this embodiment is substantially the same as the camera device of the above embodiment, except that the structure of the magnet 21 is different. In this embodiment, each magnet 21 and each second coil 23 are arranged relatively up and down along the optical axis direction of the lens module 10, and a second inclined surface 216 for increasing the magnetic flux and the magnetic flux density is provided at one end of each magnet 21 close to the second coil 23, and the second inclined surface 216 is connected to the second side surface 213, and the second inclined surface 216 is inclined in the direction close to the first coil 22.

[0096] Optionally, the side of the second inclined surface 216 away from the second side surface 213 is connected to the lower end surface 215 .

[0097] Optionally, the first inclined surface 211 and the second inclined surface 216 are symmetrically arranged.

[0098] Eighth embodiment

[0099] The present application also relates to an intelligent terminal, comprising the above-mentioned camera device.

[0100] Please refer to the above for the structure and functions of the smart terminal, which will not be repeated here.

[0101] It is understood that the above scenarios are only examples and do not constitute a limitation on the application scenarios of the technical solutions provided in the embodiments of the present application. The technical solutions of the present application can also be applied to other scenarios. For example, it is known to those skilled in the art that with the evolution of the system architecture and the emergence of new business scenarios, the technical solutions provided in the embodiments of the present application are also applicable to similar technical problems.

[0102] The serial numbers of the above-mentioned embodiments of the present application are for description only and do not represent the advantages or disadvantages of the embodiments.

[0103] The steps in the method of the embodiment of the present application can be adjusted in order, combined and deleted according to actual needs.

[0104] The units in the device of the embodiment of the present application can be merged, divided and deleted according to actual needs.

[0105] In the present application, the same or similar terminology concepts, technical solutions and / or application scenario descriptions are generally described in detail only the first time they appear. When they appear again later, they are generally not repeated for the sake of brevity. When understanding the technical solutions and other contents of the present application, for the same or similar terminology concepts, technical solutions and / or application scenario descriptions that are not described in detail later, reference can be made to the previous related detailed descriptions.

[0106] In the present application, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0107] The various technical features of the technical solution of the present application can be arbitrarily combined. In order to make the description concise, not all possible combinations of the various technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of the present application.

[0108] 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 software product, which is stored in a storage medium (such as ROM / RAM, magnetic disk, optical disk) as above, and includes a number of instructions for a terminal device (which can be a mobile phone, a computer, a server, a controlled terminal, or a network device, etc.) to execute the method of each embodiment of the present application.

[0109] In the above embodiments, it can be implemented in whole or in part by software, hardware, firmware or any combination thereof. When implemented using software, it can be implemented in whole or in part in the form of a computer program product. The computer program product includes one or M computer instructions. When loading and executing computer program instructions on a computer, the process or function according to the embodiment of the present application is generated in whole or in part. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices. The computer instruction can be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instruction can be transmitted from a website site, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line) or wireless (e.g., infrared, wireless, microwave, etc.) mode to another website site, computer, server or data center. The computer-readable storage medium can be any available medium that a computer can access or a data storage device such as a server, data center, etc. that contains one or M available media integration. The available medium may be a magnetic medium (eg, a floppy disk, a storage disk, a magnetic tape), an optical medium (eg, a DVD), or a semiconductor medium (eg, a solid state disk (SSD)).

[0110] The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A camera device, characterized in that: It includes a lens module and a driving motor, wherein the driving motor includes M magnets and a first coil, where M is a positive integer greater than 1, and the M magnets are arranged circumferentially around the lens module. The first coil is connected to the lens module and arranged corresponding to the magnets, and each magnet is provided with at least one first inclined surface on the side close to the first coil to increase the magnetic flux and the magnetic flux density.

2. The imaging device according to claim 1, wherein: Each of the magnets includes a first side surface and a second side surface, wherein the first side surface is adjacent to the first coil, the second side surface is opposite to the first side surface, the first inclined surface is connected to the first side surface, and the first inclined surface is inclined in a direction away from the first coil.

3. The imaging device according to claim 2, wherein: Include at least one of the following: Each of the magnets further comprises an upper end surface and a lower end surface, and the upper end surface and the lower end surface are arranged vertically and relatively to each other along the optical axis direction of the lens module; The first inclined surface is connected between the first side surface and the upper end surface, or the first inclined surface is connected between the first side surface and the lower end surface; Two first inclined surfaces are provided on the side of each magnet close to the first coil, wherein one first inclined surface is connected between the first side surface and the upper end surface, and the other first inclined surface is connected between the first side surface and the lower end surface.

4. The imaging device according to claim 3, wherein: It includes at least one of the following: the first side surface is parallel to the second side surface, and the upper end surface is parallel to the lower end surface; The first side surface is parallel to the second side surface, the upper end surface and the lower end surface are inclined toward the direction close to the first coil, and the angle between the upper end surface and the second side surface is greater than or equal to 90°, and the angle between the lower end surface and the second side surface is greater than or equal to 90°.

5. The imaging device according to claim 2, wherein: Two first inclined surfaces are provided on the side of each magnet close to the first coil, and the two first inclined surfaces are arranged opposite to each other up and down along the optical axis direction of the lens module. The two first inclined surfaces are connected between the first side surface and the second side surface, and the angles between the two first inclined surfaces and the second side surface are both less than 90°.

6. The imaging device according to any one of claims 1 to 5, characterized in that: The first coil includes an annular portion and a driving portion connected to the annular portion, the driving portions are arranged around the circumference of the lens module and spaced apart from each other, and the side surface of each magnet provided with the first inclined surface faces each driving portion.

7. The imaging device according to claim 6, wherein: The surface of each driving part close to each magnet includes a first area and at least one second area, the first area is parallel to the side surface of the magnet, and the second area is parallel to the first inclined surface.

8. The imaging device according to any one of claims 2 to 5, characterized in that: Include at least one of the following: The driving motor further includes M second coils for driving the lens module to realize an anti-shake function, each of the second coils is arranged in one-to-one correspondence with each of the magnets, and each of the second coils is connected to the lens module; Each of the magnets and each of the second coils are arranged opposite to each other in the upper and lower directions along the optical axis direction of the lens module. Each of the magnets is provided with a second inclined surface at one end close to the second coil to increase the magnetic flux and the magnetic flux density. The second inclined surface is connected to the second side surface, and the second inclined surface is inclined in the direction close to the first coil.

9. The imaging device according to any one of claims 1 to 5, characterized in that: The lens module includes a first bracket, a second bracket, a first elastic member, a second elastic member, a lens mount and a lens. The first bracket and the second bracket are arranged opposite to each other. The second bracket is connected to the first bracket through a suspension wire. The first elastic member is connected between the first bracket and the lens mount. The second elastic member is connected between the second bracket and the lens mount. The lens is installed on the lens mount. The first coil is connected to the lens mount. Each of the magnets is connected to the first bracket.

10. An intelligent terminal, characterized in that: The imaging device comprises the imaging device as claimed in any one of claims 1 to 9.

Images