CN116908990A - Prism lens integrated driving device - Google Patents

Abstract

The application discloses an integrated driving device of a prism lens, which comprises a base, a first carrier, a second carrier, a first driving mechanism, a second driving mechanism and a third driving mechanism, wherein the base is provided with a cavity, the first carrier and the second carrier are respectively used for installing the prism and the lens and are arranged in the cavity, the first driving mechanism and the second driving mechanism drive the first carrier to move along different directions, the third driving mechanism drives the second carrier to move along the optical axis direction of the lens, the second carrier and the base are provided with a third base capacitor structure, the third base capacitor structure comprises a third electrode plate sensing piece arranged in the second carrier and a third electrode plate arranged on the base, and the displacement of the second carrier along the optical axis direction is detected through the cooperation of the third electrode plate and the third electrode plate sensing piece. According to the application, the lens position is detected through the third base capacitor structure, so that the circuit structure is simplified, and the product reliability is improved.

Description

Prism lens integrated driving device

Technical Field

The application relates to the field of optical driving, in particular to an integrated driving device for a prism lens.

Background

The periscope type lens structure generally comprises two parts, namely a lens part and a prism part, wherein the prism part is arranged at the front end of the periscope part, an imaging chip is arranged at the rear end of the lens part, light rays are reflected into the lens part through the prism part, the lens part and the prism part in the prior art are two independent devices, and the production process is complex. In addition, most of the conventional prism driving apparatuses perform position detection by a sensor.

Disclosure of Invention

The present application is directed to a prism lens integrated driving device, which solves the above-mentioned problems in the prior art.

In order to solve the above-mentioned problems, according to one aspect of the present application, there is provided a prism-lens integrated driving device including a chassis provided with a chamber, a first carrier, a second carrier for mounting a prism and a lens, respectively, and disposed in the chamber, a first driving mechanism and a second driving mechanism driving the first carrier to move in different directions, a first driving mechanism driving the second carrier to move in an optical axis direction of the lens, and a third driving mechanism driving the second carrier to move in the optical axis direction of the lens, wherein

The second carrier with the base is equipped with the third and closes the electric capacity structure, the third closes the electric capacity structure including set up in third electrode slice induction part in the second carrier and set up in the third electrode slice of base, third electrode slice induction part with third electrode slice is relative to be set up and form the clearance between the two, after the third electrode slice induction part circular telegram, third electrode slice with third electrode slice induction part constitutes the electric capacity structure.

In one embodiment, the third driving mechanism and the third combined capacitor structure are respectively arranged at two opposite sides of the second carrier, wherein the third driving mechanism comprises a third driving magnet arranged at the side wall of the second carrier and a third driving coil arranged at the base.

In one embodiment, the base is provided with a first cavity and a second cavity in sequence along the optical axis direction of the lens, the first carrier is arranged in the first cavity, the second carrier is arranged in the second cavity, and the inner walls of two opposite side plates of the second cavity are respectively provided with a third driving coil avoiding groove and a third electrode plate avoiding groove.

In one embodiment, the prism lens integrated driving device further comprises a flexible circuit board, the flexible circuit board is arranged on the outer side wall of the base, the third driving coil is arranged on the inner wall of one side of the flexible circuit board and is arranged in the third driving coil avoiding groove, and the third electrode plate is arranged on the inner wall of the other side of the flexible circuit board and is arranged in the third electrode plate avoiding groove.

In one embodiment, a second carrier built-in metal sheet is arranged in the second carrier, and a third electrode sheet sensing piece is arranged in the second carrier built-in metal sheet, and is opposite to the third electrode sheet and forms a gap.

In one embodiment, two third electrode pads are disposed on the inner wall of the flexible circuit board, and the two third electrode pads are disposed side by side.

In one embodiment, the inner wall of the flexible circuit board is further provided with a connection reed, and the connection reed is arranged below the electrode plate.

In one embodiment, the bottom of the second carrier is provided with a ball mounting groove, a ball is arranged in the ball mounting groove, and the bottom of the second chamber is provided with a ball moving groove, and the ball rolls in the ball moving groove when the second carrier moves.

In one embodiment, the bottom end of the second carrier is embedded with an adsorption magnet, the bottom of the second cavity is embedded with an adsorption iron sheet, and the adsorption magnet and the adsorption iron sheet are oppositely arranged and form magnetic force.

In one embodiment, the end of the second carrier remote from the first carrier is provided with a crashproof flexible member.

According to the application, the lens position is detected through the third base capacitor structure, so that a position sensor is not needed, the technical effects of simplifying the circuit structure and improving the reliability of the product are realized, the cost of the product can be further reduced, and the service life of the product is prolonged.

Drawings

Fig. 1 is a perspective view of a prism-lens integrated driving apparatus according to an embodiment of the present application.

Fig. 2 is another exploded perspective view of a prism-lens-integrated driving apparatus according to an embodiment of the present application.

Fig. 3 is another exploded perspective view of the prism-lens-integrated driving apparatus according to an embodiment of the present application.

Fig. 4 is a perspective view of a first carrier and a second carrier according to one embodiment of the application.

Fig. 5 is a perspective view of a first carrier-embedded metal piece and a second carrier-embedded metal piece of one embodiment of the present application.

Fig. 6 is another perspective view of a first carrier-embedded metal piece and a second carrier-embedded metal piece of an embodiment of the present application.

Fig. 7 is a front view of a prism-lens integrated driving apparatus according to an embodiment of the present application.

Fig. 8 is a cross-sectional view of the prism lens integrated driving apparatus of fig. 7 taken along the plane A-A.

Fig. 9 is a sectional view of the prism-lens-integrated driving apparatus of fig. 7 taken along the plane D-D.

Fig. 10 is a cross-sectional view of the prism-lens-integrated driving apparatus of fig. 7 taken along the plane E-E.

Detailed Description

The preferred embodiments of the present application will be described in detail below with reference to the attached drawings, so that the objects, features and advantages of the present application will be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended to limit the scope of the application, but rather are merely illustrative of the true spirit of the application.

In the following description, for the purposes of explanation of various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that an embodiment may be practiced without one or more of the specific details. In other instances, well-known devices, structures, and techniques associated with the present application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In the following description, for the purposes of clarity of presentation of the structure and manner of operation of the present application, the description will be made with the aid of directional terms, but such terms as "forward," "rearward," "left," "right," "outward," "inner," "outward," "inward," "upper," "lower," etc. are to be construed as convenience, and are not to be limiting.

The application relates to an integrated driving device for a prism lens, which integrates a prism and a lens on a product, in particular to an integrated driving device for a prism and a lens on a base, which can drive the prism and the lens to move, change the propagation direction of light rays through a prism part and realize an optical anti-shake function, and realize an optical zoom function through a lens part. The prism lens driving device can be used for equipment such as mobile phones, tablet computers, notebook computers and the like to realize automatic focusing and optical anti-shake functions.

Referring to fig. 1 to 9, a prism lens driving apparatus 100 according to an embodiment of the present application includes a base 10, a first carrier 20 (also referred to as a prism driving carrier), a second carrier 30 (also referred to as a lens driving carrier), a first driving mechanism (also referred to as a nodding driving mechanism), a second driving mechanism (also referred to as a panning driving mechanism), and a third driving mechanism (also referred to as an AF driving mechanism), the first and second carriers being mounted on the base 10 and respectively for mounting a prism and a lens, the first and second driving mechanisms driving the first carrier to move in different directions to implement an optical anti-shake function, and the third driving mechanism driving the second carrier to move in an optical axis direction of the lens to implement an optical zoom function. A first combined capacitor structure and a second combined capacitor structure are arranged between the first carrier 20 and the base 10, and displacement of the first carrier in different directions is detected through the first combined capacitor structure and the second combined capacitor structure. The first base capacitor structure includes a first electrode plate sensing element 71 disposed on the first carrier 20 and a first electrode plate 72 disposed on the base, the second base capacitor structure includes a second electrode plate sensing element 81 disposed on the first carrier and a second electrode plate 82 disposed on the base, and displacement of the first carrier 20 in different directions is detected by matching the first electrode plate 72 with the first electrode plate sensing element 71 and matching the second electrode plate with the second electrode plate sensing element 81, that is, the base capacitor structure is used as a position sensor for detecting positions of the prism in different directions. The position detection of the prism movement is carried out through the base capacitor structure, so that the circuit structure can be simplified, the reliability of the product is improved, the cost of the product can be further reduced, and the service life of the product is prolonged.

In one embodiment, the first driving mechanism and the first combined capacitor structure are disposed on two sides of the first carrier 20, respectively, that is, one side portion of the first carrier 20 symmetrical about the optical axis direction of the lens is provided with the first driving mechanism, and the other side portion is provided with the first combined capacitor structure, and the first combined capacitor structure and the first driving mechanism are disposed substantially symmetrical about the optical axis direction of the lens. The second driving mechanism and the second base capacitor structure are disposed at the bottom of the first carrier 20.

Specifically, the first driving mechanism includes a first driving magnet 42 provided at one side portion of the first carrier 10 and a first driving coil 41 provided at one side portion of the base. The second driving mechanism includes a second driving coil 51 provided at the bottom of the base 10 and a second driving magnet 52 provided at the bottom of the first carrier.

Alternatively, as shown in fig. 2, the base 10 is sequentially provided with a first chamber 11 and a second chamber 12 along the optical axis direction of the lens, the first carrier 20 is disposed in the first chamber 11, and the second carrier 30 is disposed in the second chamber 12. The two opposite side plates of the first chamber 11 are respectively provided with a first avoiding groove 13 and a second avoiding groove 14, and the bottom of the first chamber 11 is provided with a third avoiding groove 15. The first electrode piece 72 is disposed in the first avoidance groove 14, the first coil 41 is disposed in the second avoidance groove 14, and the second coil 51 is disposed in the third avoidance groove 15. Optionally, the second electrode sheet 82 is disposed above the second coil 51 and together within the third avoiding groove 15.

In one embodiment, the prism driving apparatus 100 further includes a flexible circuit board 90 disposed at the outer walls and bottoms of the opposite side plates of the base 10 and including opposite first, second and bottom side circuit boards 91, 92, 93, and optionally, the bottom circuit board 93 is correspondingly engaged with and has substantially the same width as the third escape groove 15 on the base 10. The first coil 41 is disposed on the second side circuit board 92 of the flexible circuit board 90 and disposed in the second coil avoidance groove 14 of the base 10, the first electrode sheet 72 is disposed on the first side circuit board 91 of the flexible circuit board and disposed in the first avoidance groove 13 of the base, and the second coil 51 is disposed on the inner wall of the bottom circuit board 93 and disposed in the third avoidance groove 15 of the base.

Optionally, the bottom circuit board 93 is further provided with a second electrode sheet 82, and the second electrode sheet 82 is disposed above the second coil 51 and connected to the bottom circuit board 93 at both ends, that is, the middle portion of the second electrode sheet 82 protrudes upward to form a space accommodating the second coil 51 at the bottom.

In one embodiment, the first carrier 20 is provided with a first carrier-embedded metal piece 21, the first carrier-embedded metal piece 21 forms a substantially U-shaped structure and includes a bottom 213, a first embedded metal side 211 and a second embedded metal side 212, the first embedded metal side 211 is disposed on a side of the first carrier 20 corresponding to the first avoidance groove 13 of the base 10, the second embedded metal side 212 is disposed on a side of the first carrier 20 corresponding to the second avoidance groove 14 of the base 10, the top end of the first embedded metal side 211 integrally extends downwards out of the first electrode sheet sensing piece 71, after the first carrier 20 is mounted in the first chamber 11 of the base 10, the first electrode sheet sensing piece 71 and the first electrode sheet 72 are disposed with a certain gap therebetween, after the first electrode sheet sensing piece is energized, the first electrode sheet and the first electrode sheet sensing piece form a capacitance structure, after the first carrier and the first electrode sheet sensing piece move, the capacitance value of the capacitance changes, and the position of the first carrier can be judged according to the change of the capacitance value, so that the position of the first carrier can be moved.

The second electrode plate 82 is connected with the bottom circuit board 93, is electrified and stretches into the third avoidance groove 15, is arranged above the second coil 51 in an inverted structure, a second magnet groove is formed in the bottom of the first carrier 20 for installing the second driving magnet 52, the second driving magnet 52 is attracted with the first carrier built-in metal 21, a capacitor structure is formed between the second driving magnet and the second electrode plate after the second electrode plate is electrified, and the capacitor structure can be used for monitoring the position of the nodding action of the first carrier. That is, in this embodiment, the electrode sheet sensing member is the second driving magnet. Optionally, the part of the first carrier built-in metal 21 arranged in the second magnet groove can also form a second electrode slice sensing piece, and the position detection of the first carrier in the nodding action can be realized through the cooperation of the second electrode slice and the first carrier built-in metal.

In one embodiment, the end of the base, which is close to the first carrier, is provided with the first end plate 16, the inner wall of the first end plate 16 integrally extends out of the mounting protrusion 161 into the first chamber, the end of the first carrier 20, which is close to the first end plate 16, is provided with the mounting groove 22, after the first carrier 20 is mounted in the first chamber 11, the mounting protrusion 161 extends into the mounting groove 22, wherein a contact bump 221 is provided in the mounting groove, the contact bump 221 is provided on the first carrier-built-in metal piece 21 and is arranged in the mounting groove 22, the end of the mounting protrusion 151 is provided with a flexible piece 162, such as a soft rubber gasket, and the flexible piece 162 abuts against the contact bump 221 and forms a movement fulcrum when the first carrier 20 moves in different directions, thereby reducing the friction force of the first carrier when moving. Optionally, the first end plate 16 is removably connected to the base.

In one embodiment, a spring plate 17 is disposed between the first end plate 16 and the first carrier, the spring plate 17 is disposed on the inner surface of the first end plate 16 and forms an avoidance opening 171 at the position of the mounting protrusion 161, the periphery of the avoidance opening 171 is fixedly connected with the surface of the first carrier 20, two ends of the spring plate 17 are fixedly connected with the inner wall of the first end plate 16, so that the flexible piece 162 on the mounting protrusion is only pressed against the contact protruding point 221 in the mounting groove through the pre-pressing force of the spring plate 17, and when the first carrier 20 moves, the elastic force of the spring plate 17 is also used for driving the first carrier 20 to reset. That is, since the elastic sheet 17 has a certain pre-pressure, the flexible member on the mounting protrusion is tightly abutted against the contact bump on the mounting groove, and the elastic sheet can play a role in assisting in resetting when the first carrier acts.

Optionally, an elastic sheet mounting protrusion 24 is disposed on an end surface of the first carrier 20 near the first end plate, and the periphery of the avoiding opening 171 of the elastic sheet 17 is fixedly connected with the mounting protrusion 24.

Optionally, a connecting portion 94 is disposed at one end of the flexible circuit board 90 near the first end board of the base to connect with one end of the spring 17, and the built-in metal 21 of the first carrier 20 at the other end of the spring 17 is connected, so that the flexible circuit board 90 is electrically connected with the first electrode pad sensing piece 71 and the second electrode pad sensing piece 81 through the spring 17.

In one embodiment, the first side circuit board 91 and the second side circuit board 92 of the flexible circuit board 90 extend to the second cavity 12 and are arranged at two sides of the second carrier 30, the third driving mechanism includes a third driving magnet 31 disposed at a side portion of the second carrier 30 and a third coil 32 disposed at an inner wall of the flexible circuit board, a third coil avoiding groove 17 is disposed at a side portion of the base, the third coil 32 is disposed in the third coil avoiding groove 17, and when the third coil 32 is energized, the third coil is matched with the third driving magnet 31 to drive the second carrier 30 to move along an optical axis direction of the lens, so as to realize an optical zoom function.

In one embodiment, the top end of the first carrier 20 is provided with an anti-collision flexible member 23, such as anti-collision soft rubber, which can prevent the first carrier from colliding with the base or other components during movement, and optionally, the upper surface of the first carrier 20 is provided with an anti-collision groove 231, and the anti-collision flexible member 23 is mounted in the anti-collision groove 231.

In one embodiment, damping gel 25 is disposed between the outer wall of the first carrier 20 and the inner wall of the base, which may assist in resetting the first carrier during movement. Optionally, the outer wall of the first carrier 20 is provided with a damping gel groove 251, and the damping gel 25 is mounted in the damping gel groove 251.

It should be noted that, although the second carrier 30 is also driven by an electromagnetic driving mechanism in the above description, those skilled in the art will understand that the second carrier 30 may also be driven by other driving modes, such as piezoelectric driving, memory alloy driving, and the like. The detection method of the movement position of the second carrier 30 may be a position detection method by a sensor or the like, and is not limited herein.

Next, a prism lens driving apparatus according to an embodiment of the present application is described, and the prism driving apparatus according to this example is mainly improved with respect to the second carrier and its related structure.

Referring to fig. 1, a prism lens driving apparatus 100 according to an embodiment of the present application includes a base 10, a first carrier 20 (also referred to as a prism driving carrier), a second carrier 30 (also referred to as a lens driving carrier), a first driving mechanism (also referred to as a nodding driving mechanism), a second driving mechanism (also referred to as a panning driving mechanism), and a third driving mechanism (also referred to as an AF driving mechanism), the first and second carriers being mounted on the base 10 and respectively for mounting a prism and a lens, the first and second driving mechanisms driving the first carrier to move in different directions to implement an optical anti-shake function, and the third driving mechanism driving the second carrier to move in an optical axis direction of the lens to implement an optical zoom function. The second carrier and the base are provided with a third combined capacitor structure, the third combined capacitor structure comprises a third electrode slice sensing piece 61 arranged in the second carrier and a third electrode slice 62 arranged in the base, the third electrode slice sensing piece 61 and the third electrode slice 62 are oppositely arranged and have a certain gap therebetween, and after the third electrode slice sensing piece is electrified, the third electrode slice and the third electrode slice sensing piece form a capacitor structure which can be used for detecting the position of the zooming action of the second carrier. When the second carrier 30 moves in the optical axis direction, the third base capacitor structure is used for detecting the position of the lens, so that a position sensor is not needed, the technical effect of simplifying the circuit structure and improving the reliability of the product is achieved, meanwhile, the cost of the product can be further reduced, and the service life of the product is prolonged.

In one embodiment, the third driving mechanism and the third combined capacitor structure are respectively arranged at two opposite sides of the second carrier 30, wherein the third driving mechanism comprises a third driving magnet 31 arranged at the side wall of the second carrier and a third driving coil 32 arranged at the base; optionally, a third driving magnet mounting groove 311 is formed on the side wall of the second carrier, and the third driving magnet 31 is mounted in the third driving magnet mounting groove 311.

In one embodiment, the base is sequentially provided with a first chamber 11 and a second chamber 12 along the optical axis direction of the lens, the first carrier 20 is disposed in the first chamber 11, the second carrier 30 is disposed in the second chamber 12, and the inner walls of two opposite side plates of the second chamber 12 are respectively provided with a third driving coil avoiding groove 321 and a third electrode slice avoiding groove 621.

In one embodiment, the prism lens driving apparatus further includes a flexible circuit board 90, the flexible circuit board 90 being disposed at an outer sidewall of the base 10, the third driving coil 32 being disposed at one side inner wall of the flexible circuit board and disposed in the third driving coil escape groove 321, and the third electrode sheet 62 being disposed at the other side inner wall of the flexible circuit board and disposed in the third electrode sheet escape groove 621.

In one embodiment, the second carrier is provided with a second carrier built-in metal sheet 33, the second carrier built-in metal sheet 33 is provided with a third electrode sheet sensing piece 61, the third electrode sheet sensing piece 61 and the third electrode sheet 62 are oppositely arranged to form a gap, and after the third electrode sheet sensing piece 61 is electrified, the third electrode sheet and the third electrode sheet sensing piece form a capacitor structure to detect the position of the zooming action of the second carrier.

The bottom of the second carrier-built-in metal sheet 33 is disposed inside the second carrier, and a second side metal sheet 331 is formed on the opposite side of the third electrode sheet sensing member 61, and the second side metal sheet 331 is also disposed inside the second carrier 30 to increase the strength of the second carrier 30.

Alternatively, the third electrode tab sensing member 61 is formed in an elongated shape extending upward and is electrically connected to the second carrier built-in metal sheet through the third electrode tab energizing plate 332.

In one embodiment, two third electrode pads 62 are disposed on the inner wall of the flexible circuit board 90, and the two third electrode pads 62 are disposed side by side up and down and have a "trapezoid" structure, and the two third electrode pads 62 are disposed side by side at their size ends.

Optionally, a connection reed 63 is further disposed on the inner wall of the flexible circuit board 90, the connection reed 63 is disposed below the third electrode slice 62, one end of the connection reed 63 abuts against the third electrode slice energizing plate 332 under elastic action, and the third electrode slice sensing element is powered by the second carrier built-in metal sheet.

In one embodiment, the bottom of the second carrier 30 is provided with a ball mounting groove 34, a ball 35 is arranged in the ball mounting groove 34, the bottom of the second chamber 12 is provided with a ball moving groove 123, and the ball 35 rolls in the ball moving groove 123 when the second carrier moves, so as to reduce the friction force when the second carrier performs zooming action.

In one embodiment, the bottom end of the second carrier 30 is embedded with the adsorption magnet 36, the bottom of the second chamber 12 is embedded with the adsorption iron sheet 124, the adsorption magnet 36 and the adsorption iron sheet 124 are oppositely arranged and form a suction force, and the suction force enables the second carrier to be abutted in the base, enhances the compactness between the second carrier and the base, and avoids the balls from being separated from the ball mounting grooves.

In one embodiment, the end of the second carrier 30 remote from the first carrier 20 is provided with an anti-collision flex 37, and optionally, the end of the second carrier 30 remote from the first carrier 20 is provided with an anti-collision flex mounting slot 371, the anti-collision flex 37 being mounted in the anti-collision flex mounting slot 371.

In the application, the prism arranged on the first carrier can realize the shaking of the prism through the nodding action and the shaking action, thereby changing the angle of incident light, the lens is arranged on the second carrier, and the second carrier can drive the lens to move along the optical axis direction of the lens, so as to realize the zooming effect of the lens.

It should be noted that the features shown in the drawings of the present application may be present alone or in combination, for example, although the structures shown in the drawings are such that the first carrier and the second carrier both perform position detection by using the base capacitance structure, it will be understood by those skilled in the art that the first carrier and the second carrier may perform position detection by using the base capacitance structure, the second carrier performs position detection by using the position sensor, and the first carrier performs position detection by using the position sensor, or the first carrier and the second carrier both perform position detection by using the base capacitance structure.

In addition, the anti-collision soft rubber is arranged at the top end of the first carrier and the front and rear ends of the second carrier, so that the first carrier and the second carrier can be prevented from colliding with the base or other parts during movement, the damping rubber is arranged between the outer side wall of the first carrier and the inner wall of the base, and the auxiliary resetting function can be realized during movement of the first carrier.

The flexible circuit board is arranged on the outer side and the bottom of the base, a first driving coil, a second driving coil and a third driving coil are arranged on the flexible circuit board, the first driving coil is matched with a first driving magnet arranged on the side face of the first carrier to realize the oscillating motion of the first carrier, the second driving coil is matched with a second driving magnet arranged on the bottom of the second carrier to realize the nodding motion of the second carrier, and the third driving coil is matched with a second driving magnet arranged on the side face of the second carrier to realize the zooming motion of the second carrier.

The application can selectively set the base capacitor structure between the first carrier and the base and/or between the second carrier and the base to detect the position, thereby not using a position sensor, realizing higher detection accuracy, saving cost and prolonging the service life of the product, and having wide commercial application prospect.

While the preferred embodiments of the present application have been described in detail, it will be appreciated that those skilled in the art, upon reading the above teachings, may make various changes and modifications to the application. Such equivalents are also intended to fall within the scope of the application as defined by the following claims.

Claims (10)

1. The utility model provides a prism lens integral type drive arrangement, its characterized in that, prism lens integral type drive arrangement includes base, first carrier, second carrier, first actuating mechanism, second actuating mechanism and third actuating mechanism, the base is equipped with the cavity, first carrier with the second carrier is used for installing prism and camera lens respectively and arranges in the cavity, first actuating mechanism with second actuating mechanism drives first carrier moves along different directions, third actuating mechanism drives the second carrier moves along the optical axis direction of camera lens, wherein

The second carrier with the base is equipped with third base electric capacity structure, third base electric capacity structure including set up in third electrode slice sensing piece in the second carrier and set up in the third electrode slice of base, through third electrode slice with the displacement of third electrode slice sensing piece cooperation detection along the optical axis direction of second carrier.

2. The prism-lens integrated driving device according to claim 1, wherein the third driving mechanism and the third coupling capacitor structure are respectively disposed on two opposite sides of the second carrier, and the third driving mechanism comprises a third driving magnet disposed on a side wall of the second carrier and a third driving coil disposed on the base.

3. The prism-lens integrated driving device according to claim 1, wherein the base is sequentially provided with a first chamber and a second chamber along the optical axis direction of the lens, the first carrier is disposed in the first chamber, the second carrier is disposed in the second chamber, and the inner walls of two opposite side plates of the second chamber are respectively provided with a third driving coil avoiding groove and a third electrode plate avoiding groove.

4. The prism-lens integrated driving device according to claim 3, further comprising a flexible circuit board disposed on an outer side wall of the base, the third driving coil being disposed on one side inner wall of the flexible circuit board and disposed in the third driving coil avoiding groove, and the third electrode sheet being disposed on the other side inner wall of the flexible circuit board and disposed in the third electrode sheet avoiding groove.

5. The prism-lens integrated driving device according to claim 1, wherein a second carrier-embedded metal sheet is provided in the second carrier, the second carrier-embedded metal sheet is provided with a third electrode sheet sensing member, and the third electrode sheet sensing member is disposed opposite to the third electrode sheet and forms a gap.

6. The prism-lens integrated driving apparatus according to claim 4, wherein two of the third electrode pads are provided on an inner wall of the flexible circuit board, the two third electrode pads being arranged side by side.

7. The prism-lens integrated driving device according to claim 4, wherein the inner wall of the flexible circuit board is further provided with a connection reed arranged below the electrode sheet.

8. The prism-lens integrated driving device according to claim 3, wherein a ball mounting groove is formed in the bottom of the second carrier, a ball is arranged in the ball mounting groove, a ball moving groove is formed in the bottom of the second chamber, and the ball rolls in the ball moving groove when the second carrier moves.

9. The prism-lens integrated driving device according to claim 3, wherein an adsorption magnet is embedded in the bottom end of the second carrier, an adsorption iron sheet is embedded in the bottom of the second chamber, and the adsorption magnet and the adsorption iron sheet are oppositely arranged and form a magnetic force.

10. The prism-lens integrated driving device according to claim 1, wherein an end portion of the second carrier, which is far from the first carrier, is provided with an anti-collision flexible member.