CN210776123U - SMA actuating device, camera module and electronic equipment - Google Patents

Abstract

The utility model discloses a SMA actuating device, camera module and electronic equipment. An SMA actuation apparatus comprising: the base assembly comprises an insert group and an injection molding body, the injection molding body is wrapped outside the insert group, the insert group comprises a plurality of inserts, each insert is embedded in the injection molding body, a first contact plate is arranged on each insert, the first contact plates extend out of the injection molding body, and different inserts respectively extend out of the injection molding body and respectively form a plurality of control ends and a plurality of public ends; the actuating assembly comprises a plurality of actuating bodies and SMA wires, each actuating body comprises a second contact plate and a movable part, the SMA wires can drive the movable parts to move through contraction, the SMA wires are electrically connected with the first contact plates through the second contact plates, and each second contact plate is electrically connected with each first contact plate in a contact mode. Has the advantages that: the insert set can be used as a circuit for electrifying the SMA wire, so that the SMA actuating device is compact in structure. The utility model relates to an actuating device among the electron field.

Description

SMA actuating device, camera module and electronic equipment

Technical Field

The present invention relates to an actuator in the electronic field, and more particularly to an SMA actuator, a camera module, and an electronic apparatus.

Background

Actuating devices (actuating devices) are drive mechanisms that are commonly used in the electronics field and can be used to drive cameras. SMA refers to shape memory alloy (shape memory alloy) which is a driving element in an actuator. SMA is a material composed of two or more metal elements having a Shape Memory Effect (SME) by thermoelastic and martensitic transformation and inversion thereof. SMA can be deformed at a lower temperature and can restore the shape before deformation after being electrified and heated, thereby realizing electrically-controlled contraction.

Insert Molding bases (Insert Molding bases) include a set of inserts and a body that is typically plastic, with the set of inserts typically being a different material than plastic. The injection mold body is typically formed by injection molding after the insert is formed. The insert group can be used as a framework of the injection mold body, and the structural strength of the insert molding base can be enhanced.

Camera modules provided with SMA actuation devices typically also include a lens assembly on which a plurality of lenses are provided. The SMA actuation apparatus needs to drive the lens assembly to move from various directions in order to achieve adjustment of the position and orientation of the lens assembly.

The technical drawbacks of prior art SMA actuation devices are: the SMA actuation device needs to be driven from a plurality of different directions, so that a plurality of actuation assemblies are needed to realize the SMA actuation device, the circuit of the SMA actuation device is complex, a complex jumper structure is generally needed to be configured, the overall structure of the SMA actuation device is complex, and the miniaturization and the low cost of the SMA actuation device are not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a compact structure's SMA actuating device, camera module and electronic equipment.

The technical scheme adopted for solving the technical problems is as follows:

an SMA actuation apparatus comprising: the base assembly comprises an insert group and an injection molding body, the injection molding body is wrapped outside the insert group, the insert group comprises a plurality of inserts, each insert is embedded in the injection molding body, a first contact plate is arranged on each insert, the first contact plates extend out of the injection molding body, and different inserts respectively extend out of the injection molding body and respectively form a plurality of control ends and a plurality of public ends; the actuating assembly comprises a plurality of actuating bodies and SMA wires, each actuating body comprises a second contact plate and a movable part, the SMA wires can drive the movable parts to move through contraction, the SMA wires are electrically connected with the first contact plates through the second contact plates, and each second contact plate is electrically connected with each first contact plate in a contact mode.

The SMA actuating device at least has the following beneficial effects:

the SMA wire can drive the movable part to move, thereby outputting power. The embedded component group can be used as a circuit for electrifying the SMA wire in the injection mold body, so that the use of a conducting wire can be reduced, the structure of the SMA actuating device is compact, the manufacturing cost of the SMA actuating device is favorably reduced, and the structural strength of the base component can be enhanced.

The camera module comprises an SMA actuating device and a lens assembly; the lens component comprises a lens frame body, the lens frame body is movably connected with the base component, the movable part is a connecting rod, one end of the connecting rod is hinged with the lens frame body, and the SMA wire pulls the connecting rod to move through contraction and drives the lens frame body to move. The lens can be installed in the mirror bracket body, and the SMA wire can drive the mirror bracket body through the connecting rod, so that the focusing or the anti-shaking of the camera module can be realized.

The utility model discloses an in a possible embodiment, still be equipped with first elastic arm between second touch panel and the connecting rod, second touch panel, first elastic arm and connecting rod are conductor and integrated into one piece, and SMA wire accessible shrink drives the connecting rod and swings and make first elastic arm take place elastic deformation on the second touch panel. The first elastic arm enables the connecting rod to elastically swing on the second touch plate, so that the connecting rod can elastically reset; the first elastic arm, the connecting rod and the second touch plate are integrally formed, and the structure of the actuating body is simplified.

In one possible embodiment of the present invention, the number of the actuating assemblies is four, each actuating assembly comprises two actuating bodies symmetrically arranged, the inserts comprise a first insert, a second insert, a third insert, a fourth insert, a fifth insert and a sixth insert, the control end comprises a first control end, a second control end, a third control end and a fourth control end, the first control end is arranged on the first insert, the second control end is arranged on the second insert, the third control end is arranged on the third insert, the fourth control end is arranged on the fourth insert, the common end comprises a first common end, the fifth insert, the sixth insert and the first common end are electrically connected, the first insert, the second insert, the third insert and the fourth insert are respectively and electrically connected with one of the second touch panels of each actuating assembly through the first touch panel, and the fifth insert and the sixth insert are respectively and electrically connected with one of the second touch panels of each actuating assembly through the first touch panel. The public end and each control end can be respectively for four SMA wires circular telegrams, make four actuating assemblies can realize independent control, each inserts is buried underground in the injection molding body, can avoid the external wire jumper of injection molding, makes camera module compact structure, makes base subassembly structural strength high, avoids the external wire jumper of injection molding still to be favorable to reducing camera module's overall manufacturing cost.

The utility model discloses an among a possible implementation, the camera lens subassembly still includes first spring, first spring and mirror holder body fixed connection, be equipped with a plurality of second elastic arms around the first spring between with the base subassembly, each second elastic arm hangs the mirror holder body on the base subassembly elastically deformable, still be equipped with the third touch panel on fifth inserts and the sixth inserts respectively, the third touch panel is worn out and is annotated the die body and contact with first spring respectively, first spring is the conductor, fifth inserts and sixth inserts form the electricity through first spring and connect. The first spring enables the lens assembly to form a suspension structure capable of elastically reciprocating, and enables the fifth insert and the sixth insert to form electric connection, so that the electric connection structure between the fifth insert and the sixth insert can be further simplified, and the camera module is beneficial to enabling the structure to be compact.

In a possible embodiment of the present invention, the third touch panel protrudes from the fifth insert and the sixth insert toward the first spring, and one side of the third touch panel is exposed on the surface of the injection mold body. The third contact plate protrudes from the fifth and sixth inserts in the direction of the first spring and is exposed on the surface of the injection-molded body, so that the welding between the first spring and the third contact plate is easily performed.

In a possible embodiment of the present invention, the common end further includes a second common end, the second common end is disposed on the fifth insert, and the second common end extends out of the injection mold body. The second common terminal expands the number of common terminals, and makes the connection between the common terminals and the external circuit easier to realize.

The utility model discloses an in a possible embodiment, still be equipped with the fourth touch panel on fifth inserts and the sixth inserts respectively, still be equipped with the connecting piece between fifth inserts and the sixth inserts, the connecting piece is the conductor, and the fourth touch panel is salient the surface of injection mold body respectively from fifth inserts and sixth inserts, the both ends of connecting piece respectively with the fourth touch panel contact on fifth inserts and the sixth inserts. The connecting piece makes the fifth insert and the sixth insert form electric connection through the fourth touch panel, so that wire jumping between the fifth insert and the sixth insert can be avoided, the overall structure of the insert group is simplified, and the base assembly is compact in structure.

An electronic device comprising an SMA actuation apparatus.

An electronic device includes a camera module.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a camera module according to embodiment 1 of the present invention;

fig. 2 is an exploded schematic view of a camera module according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of an insert group according to embodiment 1 of the present invention;

fig. 4 is a schematic layout of an actuating assembly according to embodiment 1 of the present invention;

fig. 5 is a schematic diagram of an arrangement of a first spring and a second spring according to embodiment 1 of the present invention;

fig. 6 is a schematic circuit structure diagram of embodiment 1 of the present invention;

fig. 7 is a schematic structural view of a base assembly according to embodiment 1 of the present invention;

fig. 8 is a schematic structural view of a lens assembly according to embodiment 1 of the present invention;

fig. 9 is a schematic circuit diagram of embodiment 2 of the present invention;

fig. 10 is a schematic circuit diagram according to embodiment 3 of the present invention;

fig. 11 is a schematic view of an arrangement of the connecting members according to embodiment 3 of the present invention;

reference numerals:

the base assembly 1, the insert set 110, the injection molded body 120, the first insert 111, the second insert 112, the third insert 113, the fourth insert 114, the fifth insert 115, the sixth insert 116, the first control end 110a, the second control end 110b, the third control end 110c, the fourth control end 110d, the first common end 110e, the second common end 110f, the first contact plate 110g, the third contact plate 110h, the fourth contact plate 110i, and the connecting member 110 j;

the actuating assembly 2, the actuating body 210, the SMA wire 220, the second contact plate 211, the first elastic arm 212, the link 213;

lens assembly 3, first spring 310, second spring 320, mirror frame body 330, second elastic arm 340.

Detailed Description

Example 1:

this section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1 to 8, the camera module includes an SMA actuating device, and further includes a lens assembly 3; the lens assembly 3 includes a frame body 330, the frame body 330 is movably connected to the base assembly 1, the movable portion is a connecting rod 213, one end of the connecting rod 213 is hinged to the frame body 330, and the SMA wire 220 pulls the connecting rod 213 to move and drives the frame body 330 to move by contraction. The lens can be installed in the frame body 330, and the SMA wire 220 can drive the frame body 330 through the connecting rod 213, so as to realize focusing or anti-shaking of the camera module.

With respect to the frame body 330, a lens is provided in the frame body 330, and the lens is not shown in the drawings. The lens frame body 330 is generally annular, a through hole is formed in the center of the base assembly 1, the lens frame body 330 is arranged in the through hole, and the base assembly 1 surrounds the lens frame body 330.

An SMA actuation apparatus comprising: the base assembly comprises a base assembly 1, wherein the base assembly 1 comprises an insert group 110 and an injection mold body 120, the injection mold body 120 is wrapped outside the insert group 110, the insert group 110 comprises a plurality of inserts, each insert is embedded in the injection mold body 120, a first contact plate 110g is arranged on each insert, the first contact plate 110g extends out of the injection mold body 120, and different inserts respectively extend out of the injection mold body 120 and respectively form a plurality of control ends and a plurality of public ends; the actuating assembly 2 comprises a plurality of actuating bodies 210 and SMA wires 220, each actuating body 210 comprises a second contact plate 211 and a movable part, each SMA wire 220 can drive each movable part to move through contraction, each SMA wire 220 is electrically connected with the first contact plate 110g through the second contact plate 211, and each second contact plate 211 is electrically connected with each first contact plate 110g in a contact mode.

The SMA actuating device at least has the following beneficial effects:

the SMA wire 220 may move the movable portion, thereby outputting power. The insert set 110 may serve as a circuit for energizing the SMA wire 220 in the injection mold body 120, which may reduce the number of wires used, make the SMA actuation apparatus compact, facilitate reducing the manufacturing cost of the SMA actuation apparatus, and enhance the structural strength of the base assembly 1.

With respect to the base assembly 1, the set of inserts 110 includes six inserts, the inserts being conductors. The injection mold body 120 is plastic. The common terminal and the control terminal protrude outward from the circumference of the injection molded body 120. The injection mold body 120 wraps the edge of the first contact plate 110g, and one side of the first contact plate 110g is exposed on the surface of the injection mold body 120.

With respect to the actuating assembly 2, the actuating assembly 2 includes two actuating bodies 210 symmetrically arranged, a second contact plate 211 is fixed on the surface of the base assembly 1, and the second contact plate 211 and the first contact plate 110g are attached to each other to form an electrical connection by welding.

In this embodiment, a first elastic arm 212 is further disposed between the second touch panel 211 and the connecting rod 213, the second touch panel 211, the first elastic arm 212 and the connecting rod 213 are conductors and are integrally formed, and the SMA wire 220 can drive the connecting rod 213 to swing on the second touch panel 211 by contraction, so that the first elastic arm 212 is elastically deformed. The first elastic arm 212 allows the link 213 to elastically swing on the second touch plate 211, so that the link 213 can elastically return; the first elastic arm 212 is integrally formed with the link 213 and the second touch plate 211, which is advantageous for simplifying the structure of the actuating body 210.

As for the actuating body 210, the actuating body 210 is a metal conductor having elasticity, so that electricity can be passed between the second contact plate 211, the first elastic arm 212, the link 213, and the SMA wire 220.

In the present embodiment, the number of the actuating assemblies 2 is four, each actuating assembly 2 includes two actuating bodies 210 symmetrically arranged, the inserts include a first insert 111, a second insert 112, a third insert 113, a fourth insert 114, a fifth insert 115, a sixth insert 116, a seventh insert and an eighth insert, the control ends include a first control end 110a, a second control end 110b, a third control end 110c and a fourth control end 110d, the first control end 110a is disposed on the first insert 111, the second control end 110b is disposed on the second insert 112, the third control end 110c is disposed on the third insert 113, the fourth control end 110d is disposed on the fourth insert 114, the common end includes a first common end 110e, the fifth insert 115, the sixth insert 116 and the first common end 110e are electrically connected, the first contact plate 111, the second insert 112, the third insert 113 and the fourth insert 114 are respectively electrically connected with one of the second contact plates 211 of each actuating assembly 2 through a first contact plate 110g, the fifth molding 115 and the sixth molding 116 are each electrically connected to one of the second contact plates 211 of the respective actuating assembly 2 via the first contact plate 110 g. The public end and each control end can be respectively for four SMA wires 220 circular telegrams, make four actuating assemblies 2 can realize independent control, each inserts buries in moulding the body 120 of moulding, can avoid the wire jumper outside the body 120 of moulding, make camera module compact structure, make base subassembly 1 structural strength high, avoid the wire jumper outside the body 120 of moulding still is favorable to reducing camera module's overall manufacturing cost.

Regarding the insert, the base assembly 1 has a rectangular shape, and the four corners of the base assembly 1 are referred to as a first corner, a second corner, a third corner, and a fourth corner in this order, so that the first contact 110g of the first insert 111 and the second insert 112 is disposed at the first corner. The first contacts 110g of the third insert 113 and the fourth insert 114 are provided at a third corner. The fifth inlay 115 is provided with two first contact pads 110g, and the two first contact pads 110g of the fifth inlay 115 are provided at the fourth corner. The sixth molding 116 has two first contact pads 110g disposed thereon, and the two first contact pads 110g of the sixth molding 116 are disposed at the second corner. The arrangement of the individual inserts facilitates simplifying the overall construction of the set of inserts 110. Each insert is arranged around the frame body 330, as shown in fig. 3, the overall structure of the insert group 110 is rectangular, which is beneficial to be uniformly distributed in the injection mold body 120 as much as possible, and can improve the overall structural strength of the injection mold body 120.

With respect to the control terminals, the first control terminal 110a, the second control terminal 110b, the third control terminal 110c and the fourth control terminal 110d are disposed between the first corner and the second corner of the base assembly 1.

With respect to the common end, the first common end 110e is disposed between the first corner and the second corner of the base assembly 1. The first common terminal 110e is disposed on the sixth molding 116, and the fifth molding 115 is electrically connected to the sixth molding 116 and shares the first common terminal 110 e.

In this embodiment, the lens assembly 3 further includes a first spring 310, the first spring 310 is fixedly connected to the lens frame body 330, a plurality of second elastic arms 340 are disposed around the first spring 310 and between the first spring 310 and the base assembly 1, each of the second elastic arms 340 can elastically and deformably suspend the lens frame body 330 on the base assembly 1, third contact plates 110h are further disposed on the fifth insert 115 and the sixth insert 116, the third contact plates 110h penetrate through the injection mold body 120 and are respectively in contact with the first spring 310, the first spring 310 is a conductor, and the fifth insert 115 and the sixth insert 116 are electrically connected through the first spring 310. The first spring 310 forms the lens assembly 3 into a suspension structure capable of elastically reciprocating, and forms the electrical connection between the fifth molding 115 and the sixth molding 116, which can further simplify the electrical connection structure between the fifth molding 115 and the sixth molding 116, and is beneficial to make the camera module compact.

Regarding the lens assembly 3, the lens assembly 3 further includes a second spring 320, and the first spring 310 and the second spring 320 respectively abut against both sides of the frame body 330. The first spring 310 and the second spring 320 are respectively provided with four second elastic arms 340, which can form a reliable suspension mechanism for the frame body 330. The first spring 310 and the second spring 320 are respectively integrally formed and form each second elastic arm 340. The ends of the second resilient arms 340 of the first spring 310 are fixedly connected to the base assembly 1 by welding to the third contacts 110h of the fifth insert 115 and the sixth insert 116. The end of each second resilient arm 340 may also be fixedly attached to the base assembly 1 by means of glue.

With respect to the first spring and the second spring, the first spring and the second spring constitute a suspension system of the lens assembly. The first spring and the second spring herein do not refer to a coil spring, a spiral spring or a plate spring which are common in the mechanical field, but are special springs for hanging the lens assembly. The first spring and the second spring are in a sheet shape and are respectively attached to the mirror frame body from two sides of the lens assembly.

With respect to the first spring, the second spring, and the third touch pad. Each third contact plate may form a common terminal by contacting the first spring. Each third contact pad may also form a common terminal by contacting the second spring. Each of the third contact pads may also form a common terminal by simultaneously contacting the first spring and the second spring.

In the present embodiment, the third contact pads 110h protrude from the fifth and sixth inserts 115 and 116, respectively, in the direction of the first spring 310, and one surface of the third contact pads 110h is exposed on the surface of the injection-molded body 120. The third contact plate 110h protrudes from the fifth and sixth inserts 115 and 116 in the direction of the first spring 310 and is exposed on the surface of the injection-molded body 120, so that the welding between the first spring 310 and the third contact plate 110h is easily performed.

The SMA actuating device and the camera module in the technical scheme can be used for various electronic equipment.

Example 2:

as shown in fig. 9, the present embodiment is different from embodiment 1 in that: the common end further includes a second common end 110f, the second common end 110f being disposed on the fifth insert 115, the second common end 110f extending outside the injection mold body. The second common terminal 110f expands the number of common terminals, making it easier to wire the common terminals to an external circuit.

With respect to the second common terminal 110f, the second common terminal 110f is disposed between the third corner and the fourth corner of the base member.

Example 3:

as shown in fig. 10 and 11, the present embodiment is different from embodiment 1 in that: the fifth insert 115 and the sixth insert 116 are further provided with a fourth contact plate 110i, respectively, a connecting member 110j is further provided between the fifth insert 115 and the sixth insert 116, the connecting member 110j is a conductor, the fourth contact plate 110i protrudes from the fifth insert 115 and the sixth insert 116 to the surface of the injection mold body 120, respectively, and two ends of the connecting member 110j are in contact with the fourth contact plates 110i on the fifth insert 115 and the sixth insert 116, respectively. The connecting member 110j electrically connects the fifth molding 115 and the sixth molding 116 through the fourth contact 110i, so as to avoid wire jumping between the fifth molding 115 and the sixth molding 116, which is beneficial for simplifying the overall structure of the molding set 110, thereby making the base assembly 1 compact.

With respect to the fourth contact plate 110i, the fourth contact plate 110i protrudes from the fifth insert 115 and the sixth insert 116, respectively, and is exposed at the surface of the injection mold body 120.

Regarding the connecting element 110j, the connecting element 110j is made of metal, the connecting element 110j is attached to the surface of the injection mold body 120, and two ends of the connecting element 110j are electrically connected to the fourth contact plate 110i by welding.

Claims (10)

1. An SMA actuation apparatus, comprising:

   the base assembly comprises an insert group and an injection molding body, the injection molding body is wrapped outside the insert group, the insert group comprises a plurality of inserts, each insert is embedded in the injection molding body, a first contact plate is arranged on each insert, the first contact plates extend out of the injection molding body, and different inserts respectively extend out of the injection molding body and respectively form a plurality of control ends and a plurality of public ends;

   the actuating body comprises second touch plates and a movable part, the SMA wire can drive the movable part to move through contraction, the SMA wire is electrically connected with the first touch plates through the second touch plates, and each second touch plate is electrically connected with each first touch plate in a contact mode.
2. 2. Camera module, its characterized in that: the camera module comprises the actuating device of claim 1, and further comprises a lens assembly, the lens assembly comprises a lens frame body, the lens frame body is movably connected with the base assembly, the movable part is a connecting rod, one end of the connecting rod is hinged to the lens frame body, and the SMA wire pulls the connecting rod to move and drive the lens frame body to move through contraction.
3. 3. The camera module of claim 2, wherein: the second touch panel with still be equipped with first elastic arm between the connecting rod, the second touch panel first elastic arm with the connecting rod is conductor and integrated into one piece, SMA wire accessible shrink drives the connecting rod is in swing on the second touch panel and make first elastic arm takes place elastic deformation.
4. 4. A camera module according to claim 3, characterized in that: each actuating assembly comprises two actuating bodies which are symmetrically arranged, the inserts comprise a first insert, a second insert, a third insert, a fourth insert, a fifth insert, a sixth insert, a seventh insert and an eighth insert, the control ends comprise a first control end, a second control end, a third control end and a fourth control end, the first control end is arranged on the first insert, the second control end is arranged on the second insert, the third control end is arranged on the third insert, the fourth control end is arranged on the fourth insert, the common ends comprise a first common end, the fifth insert, the sixth insert and the first common end are electrically connected, and the first insert, the second insert, the third insert and the fourth insert are respectively and electrically connected with one of the second contact plates of each actuating assembly through the first contact plates, the fifth insert and the sixth insert are electrically connected with one of the second contact plates of each actuating assembly through the first contact plate respectively.
5. 5. The camera module of claim 4, wherein: the lens component further comprises a first spring, the first spring is fixedly connected with the lens frame body, a plurality of second elastic arms are arranged around the first spring and between the base component, the second elastic arms can elastically deform to suspend the lens frame body on the base component, a third touch plate is further arranged on the fifth insert and the sixth insert respectively, penetrates out of the injection mold body and is in contact with the first spring respectively, the first spring is a conductor, and the fifth insert and the sixth insert are electrically connected through the first spring.
6. 6. The camera module of claim 5, wherein: the lens assembly further comprises a second spring, the second spring is fixedly connected with the frame body, and the first spring, the second spring and the third touch plate satisfy one of the following relations:

   each of the third contact pads forms the common terminal by being in contact with the second spring;

   or each of the third contact pads forms the common terminal by simultaneously contacting the first spring and the second spring.
7. 7. The camera module of claim 6, wherein: the third touch plate protrudes from the fifth insert and the sixth insert to the direction of the first spring, and one surface of the third touch plate is exposed on the surface of the injection mold body.
8. 8. The camera module of claim 7, wherein: the common end further comprises a second common end, the second common end is arranged on the fifth insert, and the second common end extends out of the injection mold body.
9. 9. The camera module of claim 4, wherein: the fifth insert and the sixth insert are respectively provided with a fourth touch panel, a connecting piece is further arranged between the fifth insert and the sixth insert, the connecting piece is a conductor, the fourth touch panel respectively protrudes from the fifth insert and the sixth insert to the surface of the injection mold body, and two ends of the connecting piece are respectively contacted with the fourth touch panels on the fifth insert and the sixth insert.
10. 10. An electronic device, characterized in that: comprising an SMA actuation apparatus according to claim 1.

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