WO2020253211A1

WO2020253211A1 - Camera lifting device and intelligent terminal

Info

Publication number: WO2020253211A1
Application number: PCT/CN2019/129804
Authority: WO
Inventors: 刘春发; 孙玉强; 王国元; 曹娟娟
Original assignee: 歌尔股份有限公司
Priority date: 2019-06-20
Filing date: 2019-12-30
Publication date: 2020-12-24
Also published as: CN110225162B; CN110225162A

Abstract

Disclosed are a camera lifting device and an intelligent terminal. The camera lifting device is applied in the intelligent terminal, and comprises: a housing in which an accommodation cavity is formed, and a mounting opening in communication with the accommodation cavity is provided; a drive module comprising a stator and a rotor accommodated in the accommodation cavity, wherein the stator is connected to the housing, and the rotor can reciprocate relative to the stator; and a camera module provided in the accommodation cavity, located at the side in the motion direction of the drive module, and connected to the rotor, wherein the rotor drives the camera module to at least partially stretch out of the mounting opening or hide in the housing. According to the technical solution of the present invention, the camera lifting device has a simple structure, low noise, and long service life while achieving the telescoping function.

Description

Camera lifting device and intelligent terminal

Technical field

The present invention relates to the technical field of smart terminals, in particular to a camera lifting device and smart terminals.

Background technique

In order to improve the user experience, smart phones are developing towards a full-screen technology. Manufacturers in the market have proposed a way to hide the front camera inside the mobile phone, and control the extension and retraction of the front camera through a telescopic mechanism. When the front camera needs to be taken, it can be automatically retracted after the shooting. It is more effective to realize full screen technology, but its realization method is mainly realized by adopting stepper motor acceleration and deceleration device and screw drive, which has short life, high noise and complex structure.

The above content is only used to assist the understanding of the technical solution of this application, and does not mean that the above content is recognized as prior art.

Summary of the invention

The main purpose of the present invention is to provide a camera lifting device, which aims to enable the camera lifting device to realize the telescopic function, while having simple structure, low noise and long service life.

In order to achieve the above objective, the camera lifting device provided by the present invention includes:

A housing, the housing is formed with a accommodating cavity and is provided with an installation port communicating with the accommodating cavity;

A drive module, the drive module includes a stator and a mover housed in the accommodating cavity, one of the stator and the mover includes a coil assembly, and the other of the two includes a magnet assembly; and

A camera module, the camera module is installed in the accommodating cavity and located on one side in the direction of movement of the driving module;

The stator is connected to the housing, the mover is connected to the camera module, the coil assembly is energized, and the energized coil assembly is subjected to ampere force in the magnetic field generated by the magnet assembly, The coil assembly and the magnet assembly can move relative to each other, so that the mover reciprocates relative to the stator, and the mover drives the camera module to move relative to the housing, so that the camera module The group at least partially protrudes from the installation opening or is hidden in the housing.

Optionally, the magnet assembly extends into a strip shape and is connected to the housing;

The coil assembly is sleeved on the outside of the magnet assembly and can reciprocate along the extension direction of the magnet assembly;

The camera module is connected to the coil assembly.

Optionally, the magnet assembly includes at least two magnets and at least one yoke, the magnets and the yoke are spaced apart along the extension direction of the magnet assembly, and the polarities of two adjacent magnets are opposite.

Optionally, the yoke is provided at both ends of each magnet.

Optionally, the coil assembly includes at least two coils, and at least two coils are sleeved on the outside of the magnet assembly and arranged side by side along the extension direction of the magnet assembly. The extension direction of the magnet assembly reciprocates, and the direction of current in two adjacent coils is opposite.

Optionally, the extension length of the magnet assembly in the movement direction of the drive module is greater than the extension length of the coil assembly in the movement direction of the drive module.

Optionally, the outer surface of the mover is pasted on the outer surface of the camera module.

Optionally, the mover further includes a protective shell, the coil assembly is arranged in the protective shell, the camera module includes a mounting shell and a camera, the mounting shell is connected to the housing, the camera Installed in the mounting shell, the protective shell and the mounting shell are an integral structure, and the mover drives the camera module to move through the protective shell, so that the camera protrudes from the mounting opening or Hidden in the shell.

Optionally, a side surface of the stator extends to form a connecting part, the camera module is provided with a connecting part, and the connecting part is connected to the connecting part.

Optionally, the camera module includes a main body and the connecting portion, the camera is provided on the main body, the connecting portion includes a guide shaft and a buffer, the guide shaft is connected to the main body away from the installation The connecting piece is sleeved on the guide shaft, the buffer piece is located between the body and the connecting piece, and the connecting piece can pass through The buffer member pushes the body to at least partially extend out of the installation opening, or the buffer member pulls the body to hide in the housing.

Optionally, the drive module further includes a support frame, the support frame is fixed to the housing, the stator is connected to the support frame, and one of the support frame and the mover is provided with The other of the two guide posts is provided with a guide hole, and the guide post penetrates the guide hole.

Optionally, a main board is installed in the containing cavity, the camera lifting device further includes a flexible circuit board, the flexible circuit board is electrically connected to the main board and the camera module, and the flexible circuit board has a bend During the reciprocating movement of the mover relative to the stator, the camera module drives the flexible circuit board to move to stretch or fold the bending portion.

Optionally, the housing includes a front shell and a rear shell that are opposed to each other, and a middle frame arranged between the front shell and the rear shell, and the front shell, the rear shell and the middle frame are jointly enclosed to form In the receiving cavity, the front shell is provided with a display screen, and the installation port is provided in the middle frame.

The present invention also provides an intelligent terminal, including a camera lifting device;

The camera lifting device includes:

In the technical solution of the present invention, the camera module has the function of shooting. One of the stator and the mover of the drive module includes a coil assembly, and the other of the two includes a magnet assembly. The coil assembly can be located in the magnet when it is energized. The magnetic field generated by the component is subjected to ampere force, so that the coil component can move relative to the magnet component, that is, relative movement can be generated between the mover and the stator, and the stator is connected to the housing, so that the mover can reciprocate relative to the stator. movement. When the camera module needs to be used to take pictures or video, the mover of the drive module is controlled to move relative to the stator so that the camera module partly protrudes from the installation port, and the protruding part can obtain external information to realize taking pictures Or camera operation; after use, control the mover of the drive module to move in the opposite direction relative to the stator, so that the camera module is hidden in the shell, and the camera module does not occupy the surface space of the shell, thereby making the space on the surface of the shell Can be fully utilized to achieve a full screen.

The camera module is located on one side of the movement direction of the drive module, which can save the space in the movement direction of the camera module, and make the structure of the camera lifting device more compact.

Further, in the technical solution of the present invention, the linear motor structure formed by the mover reciprocating relative to the stator can directly drive the camera module without an intermediate transmission mechanism, which makes the camera lifting device simple in structure and noisy during movement. Small, fast response time and long service life.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, without creative work, other drawings can be obtained based on the structures shown in these drawings.

Fig. 1 is a schematic structural diagram of an embodiment of a camera lifting device of the present invention;

Figure 2 is a partial enlarged view of A in Figure 1;

Fig. 3 is a partial structural diagram of the housing in Fig. 1;

4 is a schematic diagram of the structure of the driving module in FIG. 1;

Figure 5 is a cross-sectional view of the drive module in Figure 4;

Fig. 6 is a partial structural diagram of another embodiment of the camera lifting device of the present invention;

FIG. 7 is a separate structure diagram of the camera module and the driving module in FIG. 6;

FIG. 8 is a partial structural diagram of another embodiment of the camera lifting device of the present invention.

Description with icon number:

标号Label	名称 name	标号Label		名称name
1010	壳体 case	5151	定子 stator
1313	后壳 Back shell	511511	磁体组件 Magnet assembly
1515	中框 Middle frame	51115111	磁铁 magnet
151151	顶壁 Top wall	51135113	磁轭Yoke

15111511	安装口 Installation port	5353	动子Mover
153153	底壁 Bottom wall	531531	线圈组件 Coil assembly
155155	第一侧壁 First side wall	53115311	线圈 Coil
157157	第二侧壁 Second side wall	533533	保护壳 Protective shell
3030	摄像头模组 Camera module	53315331	导向孔 Pilot hole
3131	安装壳Install the shell	53335333	连接件 Connector
311311	本体 Ontology	5454	支撑架 Support frame
313313	连接部 Connection part	541541	安装座 Mounting seat
31313131	引导轴 Guide shaft	543543	导向柱Guide post
31333133	缓冲件 Buffer	5757	柔性电路板 Flexible circuit board
5050	驱动模组 Drive module	571571	弯折部Bending part

The realization of the objectives, functional characteristics and advantages of the present invention will be further described in conjunction with the embodiments and with reference to the drawings.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between components in a particular posture (as shown in the accompanying drawings). If the relative position relationship, movement situation, etc. change, the directional indication will change accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only used for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on what can be achieved by a person of ordinary skill in the art. When the combination of technical solutions is contradictory or cannot be achieved, it should be considered that such a combination of technical solutions does not exist. , Is not within the protection scope of the present invention.

The invention provides a camera lifting device, which is applied to an intelligent terminal.

1 to 5, in the embodiment of the present invention, the camera lifting device includes:

A housing 10, the housing 10 is formed with a receiving cavity, and an installation port 1511 communicating with the receiving cavity is opened;

The drive module 50 includes a stator 51 and a mover 53 housed in the containing cavity. One of the stator 51 and the mover 53 includes a coil assembly 531, and the other of the two includes Magnet assembly 511;

A camera module 30, the camera module 30 is installed in the accommodating cavity and located on one side in the direction of movement of the driving module 50;

The stator 51 is connected to the housing 10, the mover 53 is connected to the camera module 30, and the coil assembly 531 is energized. The energized coil assembly 531 is generated in the magnet assembly 511 Under the action of ampere force in the magnetic field, the coil assembly 531 and the magnet assembly 511 can move relative to each other, so that the mover 53 can reciprocate relative to the stator 51, and the mover 53 drives the camera module 30 Moving relative to the housing 10 makes the camera module 30 at least partially protrude from the mounting opening 1511 or hidden in the housing.

In the technical solution of the present invention, the camera module 30 has a shooting function. One of the stator 51 and the mover 53 of the drive module 50 includes a coil assembly 531, and the other of the two includes a magnet assembly 511. Since the coil assembly 531 is in When energized, it can be subjected to ampere force in the magnetic field generated by the magnet assembly 511, so that the coil assembly 531 can move relative to the magnet assembly 511, that is, relative movement can be generated between the mover 53 and the stator 51, and the stator 51 Connected to the housing 10, the mover 53 can reciprocate relative to the stator 51. When the camera module 30 needs to be used for taking pictures or video, the mover 53 of the driving module 50 is controlled to move relative to the stator 51, so that the camera module 30 partially protrudes from the installation opening 1511, and the protruding part can be captured External information is used to realize the photo or video operation; after use, the mover 53 of the drive module 50 is controlled to move in the opposite direction relative to the stator 51, so that the camera module 30 is hidden in the housing 10, and the camera module 30 is not Occupy the space on the surface of the casing 10, so that the space on the surface of the casing 10 can be fully utilized to realize a full screen.

The camera module 30 is located on one side of the movement direction of the drive module 50, which can save the space in the movement direction of the camera module 30, so that the structure of the camera lifting device is more compact.

Further, in the technical solution of the present invention, the linear motor structure composed of the mover 53 reciprocating relative to the stator 51 can directly drive the camera module 30 without the need for an intermediate transmission mechanism, making the camera lifting device simple in structure and moving. During the process, the noise is small, the response speed is high, and the service life is long.

In this embodiment, the magnet assembly 511 extends into a strip shape and is connected to the housing 10;

The coil assembly 531 is sleeved on the outside of the magnet assembly 511 and can reciprocate along the extension direction of the magnet assembly 511;

The camera module 30 is connected to the coil assembly 531.

In this embodiment, the magnet assembly 511 forms the stator 51, the coil assembly 531 forms the mover 53, and the coil assembly 531 moves relative to the magnet assembly 511, thereby driving the camera module 30 to move. Due to the relative movement between the stator 51 and the mover 53, in another embodiment of the present invention, the coil assembly 531 can be used as the stator 51 and the magnet assembly 511 can be used as the mover 53, that is, the coil assembly 531 and the housing 10 Connecting, keeping the relative position of the coil assembly 531 and the housing 10 unchanged, connect the camera module 30 to the magnet assembly 511, and the magnet assembly 511 moves relative to the coil assembly 531, thereby driving the camera module 30 to move.

Further, the magnet assembly 511 includes at least two magnets 5111 and at least one yoke 5113. The magnets 5111 and the yoke 5113 are arranged at intervals along the extension direction of the magnet assembly 511. The polarity is opposite.

The yoke 5113 is made of magnetically permeable material, and its role is to concentrate the magnetic field radiated by the magnet 5111 into the air gap between the mover 53 and the stator 51, thereby enhancing the magnetic flux density of the air gap magnetic field and improving the driving force of the linear motor. purpose.

Furthermore, both ends of each magnet 5111 are provided with the yoke 5113, so that the linear motor formed by the driving module 50 has more stable performance and is not easy to fail.

Since the permanent magnet is not easy to lose magnetization and is not easy to be magnetized, the working efficiency and service life of the driving module 50 can be guaranteed. Preferably, the magnet 5111 is a permanent magnet.

If the permanent magnet has a large magnetic loss during use, the magnet 5111 can be magnetized in an axial magnetization manner, so that the drive module 50 can ensure the accuracy of transmission.

Further, the magnet assembly 511 further includes a first sleeve (not shown), the first sleeve is sleeved on the outside of the structure composed of the magnet 5111 and the yoke 5113, and the first sleeve can not only support the magnet 5111 and The yoke 5113 protects, and can also provide a guiding effect for the coil assembly 531, so that the movement process of the coil assembly 531 is smoother.

The inner wall surface of the first sleeve matches the shape of the structure formed by the magnet 5111 and the yoke 5113, and the outer wall surface of the first sleeve matches the shape of the inner wall surface of the coil assembly 531 and matches the shape of the coil assembly 531 A gap is formed on the inner wall surface, so that the coil assembly 531 can reciprocate relative to the first sleeve.

In the embodiment of the present invention, the cross section of the magnet assembly 511 is approximately square, so that the drive module 50 can make full use of the space inside the accommodating cavity.

In the embodiment of the present invention, the coil assembly 531 includes two coils 5311, both of which are sleeved on the outside of the magnet assembly 511, and are arranged side by side along the extension direction of the magnet assembly 511. The coil 5311 can reciprocate along the extending direction of the magnet assembly 511, and the directions of currents in the two coils 5311 are opposite.

Specifically, the two coils 5311 are wound in the reverse direction and connected in series; or the two coils 5311 are wound in the same direction and connected in series.

The number of coils 5311 can also be more, which is specifically selected according to the travel requirements of the camera module 30 and the size of the accommodating space.

5, in this embodiment, there are three magnets 5111 and two coils 5311, so that the extension length of the magnet assembly 511 in the direction of movement of the drive module 50 is greater than the extension of the coil assembly 531 in the direction of movement of the drive module 50 The length enables the coil 5311 to reciprocate within the length of the magnet 5111, thereby achieving the effects of compact structure, space saving and smooth movement.

Further, the coil assembly 531 further includes a second sleeve (not shown), the second sleeve is sleeved on the outside of the magnet assembly 511, and the coil 5311 is wound around the second sleeve. The second sleeve is used to fix the coil 5311 so that the coil 5311 can be wound on the second sleeve uniformly and arranged neatly, so that the density of the coil 5311 is equal everywhere, thereby improving the performance of the driving module 50.

In an embodiment, the outer surface of the mover 53 is glued to the outer surface of the camera module 30. Specifically, the side surface of the mover 53 is provided with an arc-shaped depression extending along its moving direction, and the outer surface of the camera module 30 is provided with an arc-shaped flange matching the depression, and the arc-shaped flange is matched with It fits in the arc-shaped recess, so that the contact area of the camera module 30 and the mover 53 is large and the stability is good. It is understandable that the arrangement positions of the arc-shaped recesses and the arc-shaped flanges can also be exchanged to achieve similar technical effects. The camera module 30 and the mover 53 are potted with an adhesive, so that the mover 53 can drive the camera module 30 to move during the movement of the mover 53 and can achieve the purpose of shockproof, heat insulation and insulation.

Further, the mover 53 further includes a protective shell 533, the coil assembly 531 is disposed in the protective shell 533, and the camera module 30 includes a mounting shell 31 and a camera (not shown), the mounting shell 31 is connected to the housing 10, the camera is mounted on the mounting housing 31, the protective housing 533 is connected to the mounting housing 31, and the mover 53 drives the camera module 30 to move through the protective housing 533 to make the camera It extends from the installation opening 1511 or is hidden in the housing 10. The protective shell 533 encapsulates and protects the coil assembly 531.

The protective shell 533 and the mounting shell 31 are potted with an adhesive, or the protective shell 533 and the mounting shell 31 are integrated.

When the protective shell 533 and the mounting shell 31 are an integrated structure, in the production process, an integrated protective shell 533 and the mounting shell 31 are directly manufactured through a single process. During the installation process, the coil assembly 531 is installed in the In the protective shell 533, the camera is installed in the mounting shell 31, so as to ensure that the coil assembly 531 can drive the camera to move during the movement of the coil assembly 531, and the installation process is simple.

Referring to FIGS. 6 and 7, the side of the stator 51 extends to form a connecting member 5333, the camera module 30 is provided with a connecting portion 313, and the connecting member 5333 is connected to the connecting portion 313. In this embodiment, the side of the protective shell 533 extends to form a connecting member 5333, and the connecting member 5333 is detachably connected to the connecting portion 313 of the camera module 30. Specifically, the connection form of the connecting member 5333 and the connecting portion 313 may be a snap connection, a threaded connection or other common connection structures. In the embodiment shown in FIGS. 6 and 7, the end of the connecting piece 5333 is in the structure of a shift fork, the connecting portion 313 of the camera module 30 is formed with a clamping space for the shift fork to be clamped, and the shift fork is along its opening. It is inserted into the clamping space to realize the connection between the stator 51 and the camera module 30.

Further, referring to FIG. 8, the camera module 30 includes a main body 311 and the connecting portion 313. The camera is disposed on the main body 311. The connecting portion 313 includes a guide shaft 3131 and a buffer 3133. The shaft 3131 is connected to the side of the main body 311 away from the installation opening 1511 and extends in a direction away from the installation opening 1511. The connection member 5333 is sleeved on the guide shaft 3131, and the buffer 3133 is located at the Between the body 311 and the connecting piece 5333, the connecting piece 5333 can push the body 311 at least partially out of the mounting opening 1511 through the buffer 3133, or pull the body through the buffer 3133 311 is hidden in the housing 10.

In this embodiment, the buffer member 3133 may be a spring sleeved on the guide shaft 3131. When the connecting member 5333 pushes the body 311 through the spring to at least partially extend out of the installation opening 1511, the camera is outside the installation opening 1511, and the camera is accidentally touched by an external force. When the main body 311 of the module 30 is used, the buffer 3133 can provide a buffer for external force to prevent the camera module 30 from being damaged or broken by the external force.

The above-mentioned buffer 3133 is replaced with a rigid structure fixed to the main body 311 or a rigid structure integrated with the main body 311 to form the embodiment shown in FIG. 6.

2, in this embodiment, the drive module 50 further includes a support frame 54 fixed to the housing 10, the stator 51 is connected to the support frame 54, the support frame One of the 54 and the mover 53 is provided with a guide post 543, and the other of the two is provided with a guide hole 5331, and the guide post 543 penetrates the guide hole 5331.

The guide post 543 cooperates with the guide hole 5331 to guide the movement of the mover 53 relative to the stator 51, so that the movement process of the mover 53 is more stable and the noise is lower.

In the embodiment shown in FIG. 2, the support frame 54 includes two mounting seats 541 arranged oppositely. The two ends of the stator 51 are respectively connected to the two mounting seats 541, and the two ends of the guide column 543 are respectively connected to On the two mounting seats 541, the protective shell 533 of the mover 53 is provided with the guide hole 5331.

The guide hole 5331 is opened in the protective shell 533 along the moving direction of the coil assembly 531. A sliding bearing is also provided in the guide hole 5331, and the guide post 543 passes through the sliding bearing to cooperate with the guide hole 5331, so that the driving module 50 moves smoothly and has a better mute effect.

In the embodiment of the present invention, the housing 10 includes a front housing (not shown) and a rear housing 13 opposed to each other, and a middle frame 15 arranged between the front housing and the rear housing 13. The front housing, The rear shell 13 and the middle frame 15 jointly enclose the receiving cavity, the front shell is provided with a display screen (not shown), and the installation opening 1511 is provided in the middle frame 15.

When the camera function needs to be used, the drive module 50 is driven so that the camera module 30 partially protrudes from the middle frame 15 without occupying the space of the front shell. The display screen can be set as large as possible on the front shell to achieve a comprehensive Screen structure.

The middle frame 15 includes a top wall 151 and a bottom wall 153 oppositely arranged, and a first side wall 155 and a second side wall 157 oppositely arranged. The top wall 151, the first side wall 155, the bottom wall 153 and the second side wall 157 are connected end to end in sequence and have the same width. The extension length of the top wall 151 and the bottom wall 153 is less than the extension length of the first side wall 155 and the second side wall 157. Optionally, the installation opening 1511 is opened in the top wall 151, and the camera module 30 can be extended from the top wall 151 through the installation opening 1511 or hidden in the housing 10.

According to design requirements, the installation opening 1511 can also be arranged on the bottom wall 153, the first side wall 155 or the second side wall 157, all of which fall within the protection scope of the present invention.

In the embodiment shown in FIG. 2, one end of the stator 51 is supported on the inner surface of the top wall 151 through a mounting seat 541, the other end of the stator 51 is fixed to the inner surface of the rear housing 13 through another mounting seat 541, and the mover 53 It is sleeved on the outside of the stator 51 and can move along the direction from one mounting base 541 to the other mounting base 541. The driving module 50 includes two guide posts 543, which are arranged side by side between the two mounting seats 541 along the direction from the front shell to the rear shell 13, and jointly guide the movement of the mover 53. The camera module 30 is located on the side of the two guide posts 543 away from the stator 51, so as to better ensure the stability of the camera module 30 during the movement.

Further, one end of the camera module 30 is embedded in the installation opening 1511 and is flush with the outer surface of the top wall 151, and the other end of the camera module 30 is located in the containing cavity. A sliding rail (not shown) can also be provided in the accommodating cavity. The camera module 30 is installed on the sliding rail and moves along the sliding rail under the drive of the mover 53, so as to extend out of the installation opening 1511 or be hidden in the housing 10. Thus, the stability of the movement of the camera module 30 is further ensured. The sliding rail may include an accommodating groove for accommodating the camera module 30 in the cavity, or may only include a stop post or a baffle to limit the movement of the camera module 30.

A main board (not shown) is installed in the accommodating cavity, and the camera lifting device further includes a flexible circuit board 57 that is electrically connected to the main board and the camera module 30, and the flexible circuit The board 57 has a bending portion 571. During the reciprocating movement of the mover 53 relative to the stator 51, the camera module 30 drives the flexible circuit board 57 to move, so that the bending portion 571 is stretched or folded.

The camera module 30 and the main board are electrically connected through the flexible circuit board 57. Since the flexible circuit board 57 has good deformability, the distance between the camera module 30 and the main board changes during the movement of the camera module 30 , The bending portion 571 on the flexible circuit board 57 can be folded or stretched without affecting the conductive structure thereon, so as to ensure that the mover 53 drives the camera module 30 to move between the camera module 30 and the main board. The effectiveness of the electrical connection prevents the electrical connection between the camera module 30 and the main board from being damaged during the frequent movement of the camera module 30, thereby increasing the service life of the camera lifting device. The bending portion 571 may be a plurality of folds provided on the flexible circuit board 57, and the extension direction of the folds is perpendicular to the movement direction of the camera module 30.

Specifically, the side of the camera module 30 away from the mounting opening 1511 is connected to the flexible circuit board 57, and the side of the flexible circuit board 57 away from the camera module 30 is connected to the main board. When the camera module 30 moves closer to the main board, the flexible circuit board The bent portion 571 on the 57 is folded at the crease; when the camera module 30 moves away from the main board, the bent portion 571 on the flexible circuit board 57 is stretched at the crease.

The present invention also provides an intelligent terminal, which includes a camera lifting device. The specific structure of the camera lifting device refers to the above-mentioned embodiments. Since this smart terminal adopts all the technical solutions of all the above-mentioned embodiments, it has at least the above-mentioned embodiments. All the beneficial effects brought about by the technical solutions of the company will not be repeated here.

The smart terminal in the embodiment of the present invention may be a mobile phone or a tablet computer. The smart terminal may also include sensors, audio circuits, WiFi modules, and so on. Among them, sensors such as light sensors, motion sensors and other sensors. Specifically, the light sensor may include an ambient light sensor and a proximity sensor, where the ambient light sensor can adjust the brightness of the display screen according to the brightness of the ambient light, and the proximity sensor can turn off the display screen and/or when the smart terminal is moved to the ear Backlight. As a kind of motion sensor, the gravity acceleration sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when it is stationary. Related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, percussion), etc.; of course, the smart terminal can also be equipped with other sensors such as gyroscope, barometer, hygrometer, thermometer, infrared sensor, etc. No longer.

The above descriptions are only optional embodiments of the present invention, and do not limit the scope of the present invention. All the equivalent structural changes made under the inventive concept of the present invention using the contents of the description and drawings of the present invention, or direct/indirect Applications in other related technical fields are included in the scope of patent protection of the present invention.

Claims

A camera lifting device, characterized in that the camera lifting device comprises:

A housing, the housing is formed with a accommodating cavity and is provided with an installation port communicating with the accommodating cavity;

A drive module, the drive module includes a stator and a mover housed in the accommodating cavity, one of the stator and the mover includes a coil assembly, and the other of the two includes a magnet assembly; and

A camera module, the camera module is installed in the accommodating cavity and located on one side in the direction of movement of the driving module;

The stator is connected to the housing, the mover is connected to the camera module, the coil assembly is energized, and the energized coil assembly is subjected to ampere force in the magnetic field generated by the magnet assembly, The coil assembly and the magnet assembly can move relative to each other, so that the mover reciprocates relative to the stator, and the mover drives the camera module to move relative to the housing, so that the camera module The group at least partially protrudes from the installation opening or is hidden in the housing.
3. The camera lifting device of claim 1, wherein the magnet assembly extends into a strip shape and is connected to the housing;

The coil assembly is sleeved on the outside of the magnet assembly and can reciprocate along the extension direction of the magnet assembly;

The camera module is connected to the coil assembly.
The camera lifting device according to claim 2, wherein the magnet assembly includes at least two magnets and at least one yoke, and the magnets and the yoke are arranged at intervals along the extension direction of the magnet assembly, and are adjacent to each other. The polarities of the two magnets are opposite.
3. The camera lifting device of claim 3, wherein the yoke is provided at both ends of each magnet.
The camera lifting device of claim 2, wherein the coil assembly includes at least two of the coils, and at least two of the coils are sleeved on the outside of the magnet assembly and extend along the extension of the magnet assembly. The directions are arranged side by side, at least two of the coils can reciprocate along the extension direction of the magnet assembly, and the directions of currents in the two adjacent coils are opposite.
3. The camera lifting device according to claim 2, wherein the extension length of the magnet assembly in the movement direction of the drive module is greater than the extension length of the coil assembly in the movement direction of the drive module.
7. The camera lifting device according to any one of claims 1 to 6, wherein the outer surface of the mover is attached to the outer surface of the camera module.
The camera lifting device according to any one of claims 1 to 6, wherein the mover further comprises a protective shell, the coil assembly is arranged in the protective shell, and the camera module includes a mounting shell And a camera, the mounting housing is connected to the housing, the camera is mounted to the mounting housing, the protective housing and the mounting housing are an integral structure, and the mover drives the camera through the protective housing The module moves so that the camera protrudes from the installation opening or is hidden in the housing.
The camera lifting device according to any one of claims 1 to 6, wherein a side surface of the stator extends to form a connecting piece, the camera module is provided with a connecting part, and the connecting piece is connected to the connecting piece. unit.
9. The camera lifting device according to claim 9, wherein the camera module includes a main body and the connecting portion, the camera is disposed on the main body, and the connecting portion includes a guide shaft and a buffer member, and the The guide shaft is connected to the side of the body facing away from the installation opening and extends in a direction away from the installation opening, the connection piece is sleeved on the guide shaft, and the buffer is located between the body and the connection Between the components, the connecting member can push the body at least partially out of the installation opening through the buffer member, or pull the body through the buffer member to hide in the housing.
The camera lifting device according to any one of claims 1 to 6, wherein the drive module further comprises a support frame, the support frame is fixed to the housing, and the stator is connected to the support One of the support frame and the mover is provided with a guide post, and the other of the two is provided with a guide hole, and the guide post penetrates the guide hole.
The camera lifting device according to claim 1, wherein a main board is installed in the accommodating cavity, and the camera lifting device further comprises a flexible circuit board, and the flexible circuit board is electrically connected to the main board and the camera Module, the flexible circuit board has a bending part, and during the reciprocating movement of the mover relative to the stator, the camera module drives the flexible circuit board to move to stretch or fold the bending part.
The camera lifting device according to claim 1, wherein the housing comprises a front shell and a rear shell that are opposed to each other, and a middle frame arranged between the front shell and the rear shell, and the front shell The housing, the rear housing and the middle frame are jointly enclosed to form the accommodating cavity, the front housing is provided with a display screen, and the installation port is provided in the middle frame.
An intelligent terminal, characterized by comprising the camera lifting device according to any one of claims 1 to 13.