CN207232595U - A kind of double lens driving device - Google Patents

Abstract

The utility model provides a kind of double lens driving device, is related to miniature line motor technical field.Double lens driving device includes yoke housing and is arranged on lens carrier component, elastic parts and the magnetite of yoke enclosure interior, two groups of lens carrier components are arranged side by side, two groups of lens carrier components are connected by elastic parts with yoke housing, each magnetite faces two groups of lens carrier components at the same time, and is arranged at intervals with lens carrier component.In the double lens driving device, magnetic field is collectively forming using yoke housing, elastic parts and magnetite, each magnetite faces two groups of lens carrier components at the same time, the defects of making the interference of electromagnetic field is not present between two groups of lens carrier components.Two groups of lens carrier components are arranged side by side to be arranged in yoke housing, and the space length between two camera lenses reduces, and greatly ensure that the uniformity of two groups of lens carrier component placement properties, is conducive to the pairing modulation of dual camera module.

Description

A kind of double lens driving device

Technical field

Miniature line motor technical field is the utility model is related to, in particular to a kind of double lens driving device.

Background technology

At present, lens driver is commonly utilized in mobile phone camera module group, and existing lens driver is usually Single-lens driving device, even if, the lens driving apparatus applied to dual camera module, and use a pair of of simple lens in recent years Driving device is formed.

But lens driver its require displacement accuracy of focusing be carried out with micron order unit it is nominal, so, it is each The drive characteristic of a lens driver, is largely influenced be subject to element size precision and assembly precision, a pair of Simple lens combination of drive means uses, and requirement is extremely difficult in precision.Also, two simple lens driving devices are applied On dual camera module, also there are, there are the defects of the interference of electromagnetic field, there is also two mirrors between two simple lens driving devices The defects of space length between head is excessive, in short, a pair of of simple lens combination of drive means uses, shoots poor-performing, unfavorable In the broad development of dual camera module technology.

Therefore, the defects of a kind of double lens driving device is to improve the interference of electromagnetic field in dual camera module is designed, and Larger gap between two camera lenses is technical barrier urgently to be resolved hurrily at present.

Utility model content

The purpose of this utility model is to provide a kind of double lens driving device, it is intended to improve electricity in dual camera module The larger technical problem in gap between the defects of magnetic interference, and two camera lenses.

A kind of technical solution provided by the utility model：A kind of double lens driving device includes yoke housing and is arranged on Lens carrier component, elastic parts and the magnetite of the yoke enclosure interior, lens carrier component is arranged side by side described in two groups, and two The group lens carrier component is connected by the elastic parts with the yoke housing, and each magnetite is at the same time in face of two groups The lens carrier component, and be arranged at intervals with the lens carrier component.

Further, the quantity of the magnetite is two, and two magnetites, which are parallel to each other, to be positioned apart from two groups of institutes State on the outside of lens carrier component.

Further, the magnetite is strip, and the length of the magnetite is more than the length of the lens carrier component.

Further, the length after the length of the magnetite is equal to two lens carrier components side by side.

Further, the yoke housing includes the end of the opening of magnet yoke ring and lid loaded on the magnet yoke ring of one end open Stroma frame, offers two first through hole on the magnet yoke ring, one magnetic of each setting in opposite both sides of each first through hole Yoke plate, the yoke plate extend to the terminal mounting side, the yoke plate and the spaced and parallel setting of the magnetite.

Further, the magnet yoke ring includes roof and side wall, and the side wall is rectangular ring, and one end of the side wall connects The edge of the roof is connected on, the other end of the side wall is detachably connected with the terminal mounting, and the yoke plate is rectangle Tabular, the long side of the yoke plate are connected on the roof, and the length of the short side of the yoke plate is less than the height of the side wall Degree.

Further, multiple the first protrusions for being used to connect the elastic parts are provided with the inner surface of the roof, Multiple described first is raised respectively positioned at the periphery of two first through hole.

Further, the terminal mounting includes bottom wall, pad and electrical terminals, and the bottom wall uses insulating materials system Into the bottom wall offers two the second through holes, and two second through holes and two first through hole correspond, each The periphery of second through hole is provided with two pads, and the electrical terminals are connected with each pad.

Further, the terminal mounting further includes multiple hooks, and one end of the hook is connected to the outer of the bottom wall Surface, the other end of the hook are used to be connected to the side wall.

Further, the marginal position on the inner surface of the bottom wall is provided with multiple for connecting the elastic parts Second is raised.

Further, the elastic parts includes preceding spring leaf and rear spring lamination, and the lens carrier component includes Front end face and rear end face, the front end face are connected by the preceding spring leaf with the yoke housing, and the rear end face passes through institute Rear spring lamination is stated to be connected with the yoke housing.

Further, the preceding spring leaf includes inner ring, outer ring and the first spring wire, and the outer ring is the ring junction of closing Structure, the outer ring are used to be connected to the yoke housing, and the quantity of the inner ring is two, and two inner rings are arranged on institute The inside of outer ring is stated, two inner rings are respectively connected on the front end face of a lens carrier component, each described Inner ring is respectively connected by a plurality of first spring wire with the outer ring.

Further, the inner ring is the loop configuration of closing, and one end of first spring wire is connected to the inner ring Outer surface, the other end of first spring wire is connected to the inner surface of the outer ring.

Further, the outer ring is the frame-shaped construction of rectangle, and the outer ring includes two the first connecting plates and two pieces the One connecting filament, two first connecting plates and two first connecting filament head and the tail connect, wherein, two first connections Plate is oppositely arranged, and two first connecting filaments are oppositely arranged.

Further, first connecting filament is also associated between the middle part of two first connecting plates, is located at The inside of the outer ring is divided into two rectangular spaces by first connecting filament at middle part, is set in each rectangular space One inner ring.

Further, the inner ring includes two the second connecting plates and two second connecting filaments, two second connections Plate and two second connecting filament head and the tail connect, wherein, two second connecting plates are oppositely arranged, and two described second connect Silk is connect to be oppositely arranged.

Further, the quantity of the rear spring lamination is two, and two rear spring lamination spacer insulators are set Put, each rear spring lamination is connected to the rear end of the terminal mounting and a lens carrier component On face, the rear spring lamination is electrically connected with the coil in the lens carrier component.

Further, spring leaf after each rear spring lamination includes two, two spring leaf relative spacings Setting, the rear spring leaf includes the 3rd connecting plate, the 4th connecting plate, second spring silk, the 3rd spring wire and inside link plate, 3rd connecting plate is oppositely arranged in parallel with the 4th connecting plate, and the 3rd connecting plate is connected with the 4th connecting plate On the terminal mounting, the inside link plate is between the 3rd connecting plate and the 4th connecting plate and close 3rd connecting plate, the inside link plate are connected on the rear end face of the lens carrier component, and the inside connects Fishplate bar includes first end and second end, and the relatively described second end of the first end is away from the 3rd connecting plate, second bullet Spring silk is connected between the first end and the 3rd connecting plate, the 3rd spring wire be connected to the second end with it is described Between 4th connecting plate.

Further, two rear spring leafs surround frame shape, and two the 3rd connecting plates are located at the one of the frame shape The cornerwise both ends of bar, two the 4th connecting plates are located at another article of cornerwise both ends of the frame shape, two articles described Three spring wires are located at the opposite both sides of the frame shape.

Further, the lens carrier component further includes coil, described in two in each rear spring lamination Both ends of the inside link plate respectively with the coil are electrically connected, two the 3rd connections in each rear spring lamination Plate or two the 4th connecting plates are electrically connected with the electrical terminals.

Further, the lens carrier component includes carrier element and coil, the carrier element include outer circumferential surface with And opposite front end face and rear end face, offer accommodating cavity on the carrier element, the accommodating cavity through the front end face and The rear end face, the accommodating cavity are used for loading lens, and the outer circumferential surface of the carrier element offers annular groove, and the coil twines It is wound in the annular groove, opposite both sides open up fluted on the front end face, and the groove is used to accommodate yoke plate.

Further, the groove is communicated with the annular groove, and the relatively described annular groove of the groove is close to the carrier The center of body assembly, the coil form the one side wall of the groove.

The beneficial effect of double lens driving device provided by the utility model is：Double lens driving dress provided in this embodiment It is not simply to merge two single-lens driving devices to combine to put, but utilizes yoke housing, elastic parts and magnetic Stone is collectively forming magnetic field, and each magnetite faces two groups of lens carrier components at the same time, forms the driving to two groups of lens carrier components Magnetic field, the defects of making the interference of electromagnetic field is not present between two groups of lens carrier components.Two groups of lens carrier components are arranged side by side to be set Put in yoke housing, the space length between two camera lenses reduces, and greatly ensure that two groups of lens carrier component displacements are special Property uniformity, be conducive to dual camera module pairing modulation, improve shooting performance.

Brief description of the drawings

, below will be to required use in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the utility model, therefore should not be by Regard the restriction to scope as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the overall structure diagram for the double lens driving device that the utility model embodiment provides.

Fig. 2 is the decomposition texture schematic diagram for the double lens driving device that the utility model embodiment provides.

Fig. 3 is the structure diagram at the first visual angle of magnet yoke ring in Fig. 2.

Fig. 4 is the structure diagram at second of visual angle of magnet yoke ring in Fig. 2.

Fig. 5 is the structure diagram of preceding spring leaf in Fig. 2.

Fig. 6 is the structure diagram at the first visual angle of lens carrier component in Fig. 2.

Fig. 7 is the structure diagram at second of visual angle of lens carrier component in Fig. 2.

Fig. 8 is the structure diagram of rear spring lamination in Fig. 2.

Fig. 9 is the structure diagram of terminal base frame in Fig. 2.

Icon：100- double lens driving devices；1- magnet yoke rings；11- roofs；111- first through hole；112- first is raised； 12- side walls；13- yoke plates；Spring leaf before 2-；21- outer rings；The first connecting plates of 211-；The first connecting filaments of 212-；22- inner rings； The second connecting plates of 221-；The second connecting filaments of 222-；The first spring wires of 23-；3- lens carrier components；31- carrier elements；Before 311- End face；The first depressed areas of 312-；313- rear end faces；The second depressed areas of 314-；315- positioning protrusion；316- outer circumferential surfaces；317- rings Shape groove；318- grooves；319- notches；320- accommodating cavities；33- coils；4- magnetites；Spring lamination after 5-；Spring leaf after 51-； The 3rd connecting plates of 511-；The 4th connecting plates of 512-；513- second spring silks；The 3rd spring wires of 514-；515- inside link plates； 5151- first ends；5152- second ends；6- terminal mountings；61- bottom walls；611- second is raised；The second through holes of 612-；62- pads； 63- electrical terminals；64- hooks.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiment of the utility model provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, those of ordinary skill in the art's all other embodiments obtained without creative efforts, all Belong to the scope of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.

In the description of the utility model, it is to be understood that term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship, or The utility model product using when the orientation usually put or position relationship, or those skilled in the art usually understand Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or imply signified set Standby or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model Limitation.

In addition, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that instruction or hint Relative importance.

In the description of the utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, Or it is integrally connected；Can mechanically connect or be electrically connected；It can be directly connected, intermediary can also be passed through It is indirectly connected, can is the connection inside two elements.For the ordinary skill in the art, can be managed with concrete condition Solve concrete meaning of the above-mentioned term in the utility model.

Please refer to Fig.1 and Fig. 2, present embodiments provide a kind of double lens driving device 100, double lens driving device 100 Using the high pixel minitype digital camera for being not limited to have automatic focusing function, can also apply to other needs to shoot work( The equipment of energy, such as video camera.

Double lens driving device 100 includes yoke housing and is arranged on lens carrier component 3, the bullet of yoke enclosure interior Property component and magnetite 4.Wherein, yoke housing includes the terminal base of the opening of magnet yoke ring 1 and lid loaded on magnet yoke ring 1 of one end open Frame 6, magnet yoke ring 1 are detachably connected with terminal mounting 6 and are formed in the interior thereof accommodating space.Elastic parts includes preceding spring leaf 2 With rear spring lamination 5.

Two groups of lens carrier components 3 are arranged side by side along the long side of the side wall 12 of magnet yoke ring 1, two groups of lens carrier components 3 it Between gap can be as small as possible, or even the two contact connectio, so as to ensure the consistent of two groups of 3 displacements of lens carrier component as far as possible Property.

Two groups of lens carrier components 3 are connected by elastic parts with yoke housing.Specifically, lens carrier component 3 includes Front end face 311 and rear end face 313, front end face 311 are connected by preceding spring leaf 2 with the roof 11 of magnet yoke ring 1, and rear end face 313 is logical Later spring lamination 5 is connected with terminal mounting 6.Two groups of lens carrier components 3 are in preceding spring leaf 2 and rear spring lamination 5 Under resilient support, it can along the longitudinal direction move along a straight line, play the role of focusing.

Wherein, 5 spacer insulator of spring lamination is set after the quantity of rear spring lamination 5 is two, two.Bullet after each Spring assembly 5 is connected on the rear end face 313 of terminal mounting 6 and a lens carrier component 3, rear spring lamination 5 with Coil 33 in lens carrier component 3 is electrically connected.In this way, can be to a lens carrier group by spring lamination 5 after one Coil 33 in part 3 is powered.

The quantity of magnetite 4 is two, and each magnetite 4 faces two groups of lens carrier components 3 at the same time, and with lens carrier component 3 are arranged at intervals.Two magnetites 4, which are parallel to each other, to be positioned apart from two groups of outsides of lens carrier component 3, magnetite 4 and magnet yoke ring 1 The spaced and parallel setting of long side of side wall 12.Magnetite 4 is strip, and the length of magnetite 4 is more than the length of lens carrier component 3.It is excellent Selection of land, the length of magnetite 4 be equal to two lens carrier components 3 side by side after length.That is, two lens carrier components 3 In the lump in the magnetic field that two magnetites 4 are formed, in other words, two lens carrier components 3 share two magnetites 4.It is in a ratio of every A lens carrier component 3 individually sets up two magnetites 4, two lens carrier components 3 share two magnetites 4 can avoid magnetic field it Between unexpected interference and weaken influence of the other elements to magnetic field.

Fig. 3 and Fig. 4 are referred to, magnet yoke ring 1 includes roof 11, side wall 12 and yoke plate 13, roof 11, side wall 12 and yoke Plate 13 is integrally formed.Side wall 12 is rectangular ring, and one end of side wall 12 is connected to the edge of roof 11, and the other end of side wall 12 is used It is detachably connected in terminal mounting 6.

Two first through hole 111 are offered on roof 11, the opposite both sides of each first through hole 111 respectively set a yoke Plate 13, yoke plate 13 extend to 6 side of terminal mounting, the spaced and parallel setting of long side of yoke plate 13 and side wall 12.Yoke plate 13 For rectangular plate-like, the long side of yoke plate 13 is connected on roof 11, and the length of the short side of yoke plate 13 is less than the height of side wall 12. One magnetite 4 is set between two yoke plates 13 and side wall 12, it is preferable that magnetite 4 is mounted on side wall 12.Two magnetites 4 with Two opposite yoke plates 13 form a pair of magnetic field space, form two pairs of magnetic field spaces altogether.A pair of magnetic field space is used to control The displacement of one lens carrier component 3.The magnitude of field intensity of two pairs of magnetic field spaces is consistent, can make two groups of lens carrier components 3 placement property is highly consistent, is conducive to the modulation optimization of dual camera module, improves shooting performance.

Multiple the first protrusions 112 for being used for spring leaf 2 before connecting are provided with the inner surface of roof 11, multiple first is raised 112 respectively positioned at the periphery of two first through hole 111.Specifically, four Angle Positions of roof 11 be each provided with one it is first convex 112 are played, is each provided with first protrusion 112 in the middle part of the long side of roof 11, forms six the first protrusions 112 and right altogether Title is arranged in two long sides of roof 11.Lens carrier component 3 is connected in the first protrusion 112 by preceding spring leaf 2, can The elastic connection between lens carrier component 3 and roof 11 is set more to stablize, meanwhile, provided for lens carrier component 3 larger Space.

Referring to Fig. 5, preceding spring leaf 2 includes inner ring 22,21 and first spring wire 23 of outer ring, outer ring 21 is the frame shape of rectangle Structure, outer ring 21 are used for the roof 11 for being connected to magnet yoke ring 1, and the quantity of inner ring 22 is two, and two inner rings 22 are arranged on outer The inside of circle 21, two inner rings 22 are respectively connected on the front end face 311 of a lens carrier component 3, and each inner ring 22 respectively passes through A plurality of first spring wire 23 is connected with outer ring 21, by the elastic deformation of the first spring wire 23, allows inner ring 22 with respect to outer ring 21 movements.

Inner ring 22 is the loop configuration of closing, and loop configuration has larger rigidity.The inner surface of inner ring 22 surrounds circle, One end of first spring wire 23 is connected to the outer surface of inner ring 22, and the other end of the first spring wire 23 is connected to the interior table of outer ring 21 Face.Wherein, gap is provided with along between the first spring wire 23 and inner ring 22 of 1 long side of magnet yoke ring extension, yoke plate 13 can pass through Gap is inserted into lens carrier component 3.

Outer ring 21 includes two the first connecting plates 211 and two first connecting filaments 212, two the first connecting plates 211 and two The first connecting filament of root 212 connects from beginning to end, so as to form the loop configuration of closing.Wherein, two the first connecting plates 211 are set relatively Put, two first connecting filaments 212 are oppositely arranged.First connecting plate 211 is used to be connected to first convex in 11 long side of roof 112 are played, the width of the first connecting plate 211 is more than the width of the first connecting filament 212, so as to improve the rigidity of the first connecting plate 211 And the first bonding strength between connecting plate 211 and roof 11.Length needed for first connecting filament 212 is shorter, its width is smaller Material can be saved, saves cost.

First connecting filament 212 is also associated between the middle part of two the first connecting plates 211, in this way, can further carry The structural strength of spring leaf 2 before height.The inside of outer ring 21 is divided into two rectangle skies by the first connecting filament 212 positioned at middle part Between, an inner ring 22 is set in each rectangular space.

Inner ring 22 includes two the second connecting plates 221 and two second connecting filaments 222, two the second connecting plates 221 and two The second connecting filament of root 222 connects from beginning to end, forms the loop configuration of closing.Wherein, two the second connecting plates 221 are oppositely arranged, and two The second connecting filament of root 222 is oppositely arranged.

Fig. 6 and Fig. 7 are referred to, lens carrier component 3 includes carrier element 31 and coil 33, and the shape of carrier element 31 is in Cube, four Angle Positions of carrier element 31 offer chamfering.Carrier element 31 include outer circumferential surface 316 and it is opposite before End face 311 and rear end face 313.Accommodating cavity 320 is offered on carrier element 31, accommodating cavity 320 runs through front end face 311 and rear end face 313, accommodating cavity 320 is used for loading lens.The outer circumferential surface 316 of carrier element 31 offers annular groove 317, and coil 33 is wrapped in ring In shape groove 317.Opposite both sides open up fluted 318 on front end face 311, and groove 318 is used to accommodate yoke plate 13.One Two yoke plates 13 on one through hole, 111 both sides are corresponded in two grooves 318 on one mirror carrier module of insertion.

The accommodating space of groove 318 is rectangular shape.Groove 318 is communicated with annular groove 317,318 opposed annular of groove Groove 317 forms the one side wall of groove 318 close to the center of 31 component of carrier element, coil 33.In this way, close to groove on coil 33 318 couple of conductor Shu Ze is located in the magnetic field that two yoke plates 13 and two magnetites 4 are formed, bundle conductor and yoke plate 13 and magnetic Stone 4 is contactless.

Two notches 319 are offered on the side wall of annular groove 317, notch 319 is through to rear end face 313 from annular groove 317, Two notches 319 are located at the opposite both sides of rear end face 313, and two notches 319 are used for two terminals of coil 33 from annular Groove 317 is drawn, in order to which coil 33 is electrically connected with rear spring lamination 5.

The edge region of front end face 311 is the first depressed area 312, and the first depressed area 312 is used to connect preceding spring leaf 2.The inner ring 22 of preceding spring leaf 2 is connected in the first depressed area 312, can prevent inner ring 22 from misplacing on front end face 311, and right The support force of carrier element 31 is balanced.The edge region of rear end face 313 is the second depressed area 314, and the second depressed area 314 is used Spring lamination 5 after connection.Positioning protrusion 315 is provided with second depressed area 314, positioning protrusion 315 is used for bullet after fixing Spring assembly 5.Spring lamination 5 is connected in the second depressed area 314 afterwards, and rear spring lamination 5 can be prevented in rear end face 313 Upper dislocation, and it is balanced to the support force of carrier element 31.

Referring to Fig. 8, spring leaf 51 after spring lamination 5 includes two after each, two spring leaf relative spacing insulation Setting, rear spring leaf 51 include the 3rd connecting plate 511, the 4th connecting plate 512, second spring silk 513, the 3rd spring wire 514 With inside link plate 515, the 3rd connecting plate 511 is oppositely arranged in parallel with the 4th connecting plate 512, the 3rd connecting plate 511 and the 4th Connecting plate 512 is connected on terminal mounting 6, inside link plate 515 between the 3rd connecting plate 511 and the 4th connecting plate 512, And it is connected to close to the 3rd connecting plate 511, inside link plate 515 on the rear end face 313 of lens carrier component 3.

Inside link plate 515 includes first end 5151 and second end 5152, and 5151 opposite second end 5152 of first end is remote 3rd connecting plate 511, second spring silk 513 are connected between 5151 and the 3rd connecting plate 511 of first end, the 3rd spring wire 514 It is connected between 5152 and the 4th connecting plate 512 of second end.

Spring leaf 51 surrounds frame shape after two, and two the 3rd connecting plates 511 are located at one article of cornerwise both ends of frame shape, and two A 4th connecting plate 512 is located at another article of cornerwise both ends of frame shape, and two article of the 3rd spring wire 514 is located at opposite the two of frame shape Side.Frame shape is corresponding with the shape of carrier element 31, and two inside frame shape inside link plate 515 is connected to carrier element 31 On, it is connected to positioned at two the 3rd connecting plates 511 of frame shape periphery and two the 4th connecting plates 512 on terminal mounting 6, makes two Spring leaf 51 is balanced to the support force of carrier element 31 afterwards.

Two inside link plates 515 after each in spring lamination 5 are electrically connected with two terminals of coil 33 respectively, Two the 3rd connecting plates 511 and two the 4th connecting plates 512 after each in spring lamination 5 are electrically connected with electrical terminals 63, Spring lamination 5 is set with 1 mutually insulated of magnet yoke ring after each.In this way, make coil 33 by rear spring lamination 5 can with it is outer Portion's power supply connection, simple in structure, connection is reliably.

Referring to Fig. 9, terminal mounting 6 includes bottom wall 61, pad 62, electrical terminals 63 and hook 64, bottom wall 61 is using exhausted Edge material is made, and can effectively avoid that short circuit occurs between each electrical terminals 63.The profile of bottom wall 61 and the shape of side wall 12 It is engaged, the marginal position on the inner surface of bottom wall 61 is provided with multiple the second protrusions for being used for spring lamination 5 after connecting 611, the second protrusion 611 is strip.

The medium position of bottom wall 61 offers two the second through holes 612, two the second through holes 612 and two first through hole 111 correspond, and the periphery of each second through hole 612 is provided with two pads 62, and pad 62 is arranged at the second protrusion 611 On, an electrical terminals 63 are connected with each pad 62.Electrical terminals 63 run through bottom wall 61, and are stretched from the outer surface of bottom wall 61 Go out, easy to be connected with external power supply.

Preferably, four electrical terminals 63 are arranged in the same long side of bottom wall 61.Two in each rear spring lamination 5 The rear spring leaf 51 of a mutually insulated is respectively connected on an electrical terminals 63, so as to fulfill two terminals of each coil 33 It is electrically connected respectively with an electrical terminals 63.

Terminal mounting 6 further includes multiple hooks 64, is preferably six, and three are set in a long side of bottom wall 61.Hook 64 one end is connected to the outer surface of bottom wall 61, referring to Fig. 1, the other end of hook 64 is used to be connected to side wall 12, so that Ensure that magnet yoke ring 1 surrounds the enough accommodating spaces of volume with terminal mounting 6.

Accommodating cavity 320 on corresponding first through hole 111, the second through hole 612 and carrier element 31 is located at same light On axis.Another group of first through hole 111, the second through hole 612 and accommodating cavity 320 are located on another optical axis.Two optical axis It is parallel to each other.So as to ensure the lens in two carrier elements 31, optical property is consistent.

The operation principle of double lens driving device 100 provided in this embodiment：

First, two magnetites 4 generate magnetic field, and the coil 33 in two groups of lens carrier components 3 connects electricity by two respectively Terminal 63 accesses external power supply, and coil 33 senses electromagnetic force to move by coil during electric current 33.Then, coil 33 is with dynamic load Phosphor bodies 31 move, and carrier element 31 under the resilient force of preceding spring leaf 2 and rear spring lamination 5, send out by carrier element 31 Straight-line displacement after before death, is mounted with lens in carrier element 31, lens are moved back and forth with carrier element 31.In addition, pass through control The displacement that each coil 33 accurately controls corresponding lens carrier component 3 by the size of electric current is made, it is precisely right to realize Burnt purpose.

The beneficial effect of double lens driving device 100 provided in this embodiment：

First, double lens driving device 100 provided in this embodiment is not simply to close two single-lens driving devices And combine, but magnetic field is collectively forming using magnet yoke ring 1, preceding spring leaf 2 and two magnetites 4, also utilize magnet yoke ring 1 Integral frame structure is formed with terminal mounting 6, greatly ensure that the uniformity of two groups of 3 placement properties of lens carrier component, Be conducive to the pairing modulation of dual camera module.

Secondly, two magnetites 4, which are parallel to each other, is positioned apart from two groups of outsides of lens carrier component 3, and not only there is no existing Interference of electromagnetic field defect in some dual camera modules between two single-lens driving devices, and two groups of lens carrier components 3 is arranged side by side, can reduce the space length between two camera lenses in dual camera module, so as to be easier to make dual camera Shooting performance it is more superior.

Finally, 100 small volume of double lens driving device provided in this embodiment, can reduce required space.It is more important , magnet yoke ring 1, preceding spring leaf 2, rear spring lamination 5, magnetite 4 and terminal mounting 6 are added by the parts made at the same time Work, and assembling is carried out at the same time, the dimensional accuracy of parts can be made consistent to greatest extent, so that, ensure the displacement of two lens Characteristic keeps uniformity to greatest extent.Meanwhile parts cost and assembly cost, Yi Jiti can be also reduced to greatest extent High efficiency.

It these are only the preferred embodiment of the utility model, be not intended to limit the present invention, for this area Technical staff for, various modifications and changes may be made to the present invention.Where within the spirit and principles of the present invention, Any modification, equivalent replacement, improvement and so on, should be included within the scope of protection of this utility model.

Claims (22)

1. a kind of double lens driving device (100), it is characterised in that the double lens driving device (100) includes yoke housing And the lens carrier component (3), elastic parts and magnetite (4) of the yoke enclosure interior are arranged on, lens described in two groups carry Body component (3) is arranged side by side, and lens carrier component (3) described in two groups is connected by the elastic parts with the yoke housing, Each magnetite (4) while face lens carrier component (3) described in two groups, and be spaced and set with the lens carrier component (3) Put.

2. double lens driving device (100) according to claim 1, it is characterised in that the quantity of the magnetite (4) is two A, two magnetites (4), which are parallel to each other, to be positioned apart from the outside of lens carrier component (3) described in two groups.

3. double lens driving device (100) according to claim 1, it is characterised in that the magnetite (4) is strip, The length of the magnetite (4) is more than the length of the lens carrier component (3).

4. double lens driving device (100) according to claim 3, it is characterised in that the length of the magnetite (4) is equal to Two lens carrier components (3) side by side after length.

5. double lens driving device (100) according to claim 1, it is characterised in that the yoke housing includes one end The magnet yoke ring (1) and lid of opening are loaded on the terminal mounting (6) of the opening of the magnet yoke ring (1), are offered on the magnet yoke ring (1) Two first through hole (111), the opposite both sides of each first through hole (111) respectively set a yoke plate (13), the magnetic Yoke plate (13) extends to terminal mounting (6) side, the yoke plate (13) and the magnetite (4) spaced and parallel setting.

6. double lens driving device (100) according to claim 5, it is characterised in that the magnet yoke ring (1) includes roof (11) and side wall (12), the side wall (12) are rectangular ring, and one end of the side wall (12) is connected to the roof (11) Edge, the other end of the side wall (12) are detachably connected with the terminal mounting (6), and the yoke plate (13) is rectangular slab Shape, the long side of the yoke plate (13) are connected on the roof (11), and the length of the short side of the yoke plate (13) is less than institute State the height of side wall (12).

7. double lens driving device (100) according to claim 6, it is characterised in that the inner surface of the roof (11) On be provided with multiple first raised (112) for being used to connect the elastic parts, multiple described first raised (112) are located at respectively The periphery of two first through hole (111).

8. double lens driving device (100) according to claim 6, it is characterised in that the terminal mounting (6) includes bottom Wall (61), pad (62) and electrical terminals (63), the bottom wall (61), which is adopted, to be made from an insulative material, and the bottom wall (61) offers Two the second through holes (612), two second through holes (612) correspond with two first through hole (111), Mei Gesuo The periphery for stating the second through hole (612) is provided with two pads (62), is connected with each pad (62) described in one Electrical terminals (63).

9. double lens driving device (100) according to claim 8, it is characterised in that the terminal mounting (6) further includes Multiple hooks (64), one end of the hook (64) are connected to the outer surface of the bottom wall (61), the hook (64) it is another End is used to be connected to the side wall (12).

10. double lens driving device (100) according to claim 8, it is characterised in that the inner surface of the bottom wall (61) On marginal position be provided with multiple second raised (611) for being used to connect the elastic parts.

11. double lens driving device (100) according to claim 8, it is characterised in that the elastic parts includes preceding bullet Reed (2) and rear spring lamination (5), the lens carrier component (3) includes front end face (311) and rear end face (313), described Front end face (311) is connected by the preceding spring leaf (2) with the yoke housing, and the rear end face (313) passes through the rear bullet Spring assembly (5) is connected with the yoke housing.

12. double lens driving device (100) according to claim 11, it is characterised in that the preceding spring leaf (2) includes Inner ring (22), outer ring (21) and the first spring wire (23), the outer ring (21) are the loop configuration of closing, and the outer ring (21) is used In being connected on the yoke housing, the quantity of the inner ring (22) is two, and two inner rings (22) are arranged on described outer The inside of (21) is enclosed, two inner rings (22) are respectively connected to the front end face (311) of a lens carrier component (3) On, each inner ring (22) is respectively connected by a plurality of first spring wire (23) with the outer ring (21).

13. double lens driving device (100) according to claim 12, it is characterised in that the inner ring (22) is closing Loop configuration, one end of first spring wire (23) is connected to the outer surface of the inner ring (22), first spring wire (23) the other end is connected to the inner surface of the outer ring (21).

14. double lens driving device (100) according to claim 12, it is characterised in that the outer ring (21) is rectangle Frame-shaped construction, the outer ring (21) includes two the first connecting plates (211) and two first connecting filaments (212), described in two First connecting plate (211) and two first connecting filament (212) head and the tail connect, wherein, two first connecting plates (211) It is oppositely arranged, two first connecting filaments (212) are oppositely arranged.

15. double lens driving device (100) according to claim 14, it is characterised in that two first connecting plates (211) first connecting filament (212) is also associated between middle part, first connecting filament (212) positioned at middle part The inside of the outer ring (21) is divided into two rectangular spaces, an inner ring is set in each rectangular space (22)。

16. double lens driving device (100) according to claim 12, it is characterised in that the inner ring (22) includes two A second connecting plate (221) and two second connecting filaments (222), two second connecting plates (221) and two described second Connecting filament (222) head and the tail connect, wherein, two second connecting plates (221) are oppositely arranged, two second connecting filaments (222) it is oppositely arranged.

17. double lens driving device (100) according to claim 11, it is characterised in that spring lamination (5) after described Quantity be two, two it is described after spring lamination (5) spacer insulators set, it is each it is described after spring lamination (5) respectively It is connected on the rear end face (313) of the terminal mounting (6) and a lens carrier component (3), the rear spring Piece component (5) is electrically connected with the coil (33) in the lens carrier component (3).

18. double lens driving device (100) according to claim 17, it is characterised in that each rear spring plate group Spring leaf (51) after part (5) includes two, two spring leaf relative spacings are set, and the rear spring leaf (51) includes the 3rd Connecting plate (511), the 4th connecting plate (512), second spring silk (513), the 3rd spring wire (514) and inside link plate (515), 3rd connecting plate (511) is oppositely arranged in parallel with the 4th connecting plate (512), the 3rd connecting plate (511) and institute State the 4th connecting plate (512) to be connected on the terminal mounting (6), the inside link plate (515) is positioned at the described 3rd connection Between plate (511) and the 4th connecting plate (512) and close to the 3rd connecting plate (511), the inside link plate (515) it is connected on the rear end face (313) of the lens carrier component (3), the inside link plate (515) includes first (5151) and second end (5152) are held, the relatively described second end (5152) of the first end (5151) is away from the 3rd connecting plate (511), the second spring silk (513) is connected between the first end (5151) and the 3rd connecting plate (511), described 3rd spring wire (514) is connected between the second end (5152) and the 4th connecting plate (512).

19. double lens driving device (100) according to claim 18, it is characterised in that two rear spring leafs (51) frame shape is surrounded, two the 3rd connecting plates (511) are located at one article of cornerwise both ends of the frame shape, two described Four connecting plates (512) are located at another cornerwise both ends of the frame shape, and two articles of the 3rd spring wires (514) are positioned at described The opposite both sides of frame shape.

20. double lens driving device (100) according to claim 18, it is characterised in that the lens carrier component (3) Further include coil (33), it is each it is described after two inside link plates (515) in spring lamination (5) respectively with the line The both ends for enclosing (33) are electrically connected, two the 3rd connecting plates (511) or two institutes in each rear spring lamination (5) The 4th connecting plate (512) is stated to be electrically connected with the electrical terminals (63).

21. double lens driving device (100) according to claim 1, it is characterised in that the lens carrier component (3) Including carrier element (31) and coil (33), the carrier element (31) includes outer circumferential surface (316) and opposite front end face (311) and rear end face (313) accommodating cavity (320), is offered on the carrier element (31), the accommodating cavity (320) runs through institute Front end face (311) and the rear end face (313) are stated, the accommodating cavity (320) is used for loading lens, the carrier element (31) Outer circumferential surface (316) offers annular groove (317), and the coil (33) is wrapped in the annular groove (317), the front end face (311) opposite both sides open up fluted (318) on, and the groove (318) is used to accommodate yoke plate (13).

22. double lens driving device (100) according to claim 21, it is characterised in that the groove (318) with it is described Annular groove (317) communicates, and the relatively described annular groove (317) of the groove (318) is in the carrier element (31) component The heart, the coil (33) form the one side wall of the groove (318).