CN207799212U - Optical module driving mechanism - Google Patents

Abstract

The utility model provides a kind of optical module driving mechanism, including an active module, one first drive module and a position detecting module.Active module includes an optical module bearing seat and a shell.First drive module includes one first electromagnetic drive component being set on optical module bearing seat and one second electromagnetic drive component being set on shell, to drive optical module bearing seat to be moved relative to shell.Position detecting module includes a magnet assembly and a position detector, and wherein magnet assembly is set on optical module bearing seat, and position detector can detect the position of the optical module bearing seat relative to shell according to magnetic direction.

Description

Optical module driving mechanism

Technical field

The utility model is related to a kind of optical module driving mechanism more particularly to a kind of components with position detecting module Driving mechanism.

Background technology

With the development of science and technology, now many electronic devices (such as smartphone or digital camera) all have photograph or The function of video recording.The use of these electronic devices is more and more common, and is developed towards convenient and lightening design direction, It is more selected with providing user.

Part has driving mechanism and the inspection that the electronic device of photograph or recording function is equipped with driving optical module movement The position detector (such as Hall subassembly) of the displacement of photometry component.However, due to aforementioned lightening design, position detection The device often magnet assembly in aforementioned driving mechanism, and then the accuracy of detection is caused to reduce.Therefore, before how solving Problem is stated to begin into an important project.

Utility model content

The main purpose of the utility model is to provide a kind of optical module driving mechanisms, to solve the above problems.

In order to solve above-mentioned existing problem, the utility model provides a kind of optical module driving mechanism, including one lives Dynamic model block, one first drive module and a position detecting module.Active module includes an optical module bearing seat and a shell. First drive module includes one first electromagnetic drive component being set on optical module bearing seat and be set on shell one Second electromagnetic drive component, to drive optical module bearing seat to be moved relative to shell.Position detecting module includes a magnetic group Part and a position detector, wherein magnet assembly are set on optical module bearing seat, and position detector can be according to magnetic field side To the detection position of the optical module bearing seat relative to shell.

In one embodiment of the utility model, aforementioned optical Component driver mechanism further includes a fixed module and one second driving Module, the second drive module connect active module and fixed module, and can drive active module relative to fixed module along one the Two directions are moved, and wherein first direction is different from second direction.

In one embodiment of the utility model, aforementioned second drive module includes a bias assembly, connects active module and consolidates Cover half block.

In one embodiment of the utility model, aforementioned second drive module further includes a flexible part, is set to active module Between fixed module and connect bias assembly.

In one embodiment of the utility model, aforementioned location detector is set on flexible part.

In one embodiment of the utility model, one end of aforementioned bias assembly is affixed on fixed module.

In one embodiment of the utility model, aforementioned shell includes a pedestal, and position detector is set on pedestal.

In one embodiment of the utility model, aforementioned optical Component driver mechanism is located on a photosensory assembly, and position detection Device is set on photosensory assembly.

In one embodiment of the utility model, the magnetic line of force direction in aforementioned magnet assembly is different from first direction.

In one embodiment of the utility model, the magnetic line of force direction in aforementioned second electromagnetic drive component is different from first party To.

In one embodiment of the utility model, the magnetic line of force direction in aforementioned magnet assembly is different from the second electromagnetic drive component Interior magnetic line of force direction.

In one embodiment of the utility model, aforementioned location detection module further includes a barriers, is set to the drive of the second electromagnetism It moves between component and magnet assembly.

In one embodiment of the utility model, aforementioned location detection module further includes a barriers, is set to the drive of the second electromagnetism It moves between component and position detector.

In one embodiment of the utility model, aforementioned first drive module includes another second electromagnetic drive component, with position It sets the distance between detector and is more than the distance between the second electromagnetic drive component and position detector, wherein aforementioned another second The length of electromagnetic drive component is more than the length of the second electromagnetic drive component.

In one embodiment of the utility model, aforementioned second electromagnetic drive component has trapezium structure, and trapezium structure is oblique While towards position detector.

In one embodiment of the utility model, aforementioned shell includes a bottom plate, and bottom plate has a rectangular configuration, wherein Second electromagnetic drive component is adjacent to the side of bottom plate, and position detector is adjacent to the corner of bottom plate.

In one embodiment of the utility model, aforementioned shell includes a bottom plate, and bottom plate has a rectangular configuration, wherein Second electromagnetic drive component is adjacent to the corner of bottom plate, and position detector is adjacent to the side of bottom plate.

In one embodiment of the utility model, aforementioned fixed module includes a bottom plate, and the second electromagnetic drive component is in bottom plate On projection detached in the projection on bottom plate with position detector.

In one embodiment of the utility model, aforementioned shell includes a bottom plate, and bottom plate has a rectangular configuration, and optics Component driver mechanism includes multiple position detecting modules, is respectively arranged at the opposite corner of bottom plate.

In one embodiment of the utility model, aforementioned shell includes a bottom plate, and bottom plate has a rectangular configuration, and optics Component driver mechanism includes multiple position detecting modules, is set to the same side of bottom plate.

The beneficial effects of the utility model are, optical module driving mechanism provided by the utility model, including an activity Module, one first drive module and a position detecting module.Active module includes an optical module bearing seat and a shell.The One drive module includes one first electromagnetic drive component being set on optical module bearing seat and 1 is set on shell the Two electromagnetic drive components, to drive optical module bearing seat to be moved relative to shell.Position detecting module includes a magnet assembly With a position detector, wherein magnet assembly is set on optical module bearing seat, and position detector can be according to magnetic direction Detect the position of the optical module bearing seat relative to shell.

Description of the drawings

Fig. 1 is the electronic device schematic diagram of one embodiment of the utility model.

Fig. 2 is the optical module driving mechanism schematic diagram of one embodiment of the utility model.

Fig. 3 is the explosive view of the optical module driving mechanism of one embodiment of the utility model.

Fig. 4 is the schematic diagram of the optical module bearing seat in one embodiment of the utility model.

Fig. 5 is the schematic diagram of bottom plate in one embodiment of the utility model, flexible part and bias assembly.

Fig. 6 is the sectional view along the directions A-A in Fig. 2.

Fig. 7 A are in one embodiment of the utility model, and the magnetic direction of fixed bed and free layer in position detector is opposite Schematic diagram.

Fig. 7 B are in one embodiment of the utility model, and the magnetic direction of fixed bed and free layer in position detector is different Schematic diagram.

Fig. 7 C are in one embodiment of the utility model, and the fixed bed in position detector is identical with the magnetic direction of free layer Schematic diagram.

Fig. 8 A are in one embodiment of the utility model, and position detector senses the schematic diagram of the magnetic force of magnet assembly.

Fig. 8 B are in one embodiment of the utility model, and position detector senses magnet assembly and the second electromagnetic drive component Magnetic force schematic diagram.

Fig. 8 C are in one embodiment of the utility model, and position detector senses magnetism after the movement of optical module bearing seat The schematic diagram of the magnetic force of component and the second electromagnetic drive component.

Fig. 8 D are the schematic diagram of the position detector and magnet assembly of another embodiment of the utility model.

Fig. 9 is the signal of position detector, the second electromagnetic drive component and barriers in another embodiment of the utility model Figure.

Figure 10 is the schematic diagram of position detector and the second electromagnetic drive component in another embodiment of the utility model.

Figure 11 is the schematic diagram of position detector and the second electromagnetic drive component in another embodiment of the utility model.

Figure 12 A are the schematic diagram of position detector and the second electromagnetic drive component in another embodiment of the utility model.

Figure 12 B are the schematic diagram of position detector and the second electromagnetic drive component in another embodiment of the utility model.

Figure 13 is the schematic diagram of position detector and the second electromagnetic drive component in another embodiment of the utility model.

Figure 14 is the optical module driving mechanism schematic diagram of another embodiment of the utility model.

Figure 15 is the optical module driving mechanism schematic diagram of another embodiment of the utility model.

Reference numeral is as follows：

10 optical module driving mechanisms

20 electronic devices

30 optical modules

110 bottom plates

111 fixed parts

120 outline borders

210 pedestals

220 optical module bearing seats

221 accommodating spaces

222 concave inward structures

223 recessed portions

224 protrusions

225 protrusions

226 cylinders

230 inside casings

240 first elastic parts

241 inner ring sections

242 outer rings section

250 second elastic parts

251 inner ring sections

252 outer rings section

310 first electromagnetic drive components

320 second electromagnetic drive components

The first magnet of 320A

The second magnet of 320B

410 flexible parts

411 interconnecting pieces

412 string arms

420 bias assemblies

510 magnet assemblies

520 position detectors

521 fixed beds

522 insulating layers

523 free layers

530 barriers

F1 magnetic force

F2 magnetic force

F3 magnetic directions

O1 optical apertures

O2 optical apertures

S photosensory assemblies

Specific implementation mode

Illustrate the optical module driving mechanism of the utility model embodiment below.However, the utility model can be will readily appreciate that Embodiment provides many suitable utility model concepts and may be implemented in wide variety of specific background.Revealed particular implementation Example is merely illustrative uses the utility model with ad hoc approach, not limiting to the scope of the utility model.

Unless otherwise defined, belonging to whole term (including technology and scientific words) as used herein has and discloses with this piece The normally understood identical connotation of those skilled in the art institute.It is appreciated that these terms, such as in usually used dictionary Defined in term, should be interpreted to have a meaning consistent with the background or context of the relevant technologies and the disclosure, without Ying Yiyi is idealized or excessively formal mode is understood, unless especially definition herein.

Referring initially to Fig. 1, the optical module driving mechanism 10 of one embodiment of the utility model can be installed in electronics dress It sets in 20 to carry an optical module 30 (such as a camera lens), and aforementioned optical component 30 is driven to make it can be relative to electronic device Photosensory assembly movement in 20, to achieve the purpose that adjust focal length and sway compensating.Aforementioned electronic 20, which may be, for example, to be had The smartphone or digital camera of photograph or camera function.

Fig. 2 and Fig. 3 are please referred to, aforementioned optical Component driver mechanism 10 includes mainly a fixed module, an active module, one First drive module, one second drive module and a position detecting module.Fixed module includes a bottom plate 110 and an outline border 120.Active module include a pedestal 210, an optical module bearing seat 220, an inside casing 230, one first elastic parts 240 and One second elastic parts 250.First drive module includes one first electromagnetic drive component 310 and at least one second electromagnetic drive group Part 320.Second drive module includes 410 and one bias assembly 420 of flexible part.Position detecting module then may include a magnetism Component 510 and a position detector 520.

The bottom plate 110 and outline border 120 of fixed module can be combined to hollow box body, and active module, the first drive module, Second drive module and position detecting module can be surrounded by outline border 120 and be placed in aforementioned box body.Bottom plate 110 and outline border 120 are respectively provided with mutual corresponding optical aperture O1, O2, and light can sequentially pass through optical aperture O1, optical module 30 and optical aperture O2 And arrive at the photosensory assembly in electronic device 20.

The inside casing 230 and pedestal 210 of active module may make up a shell.Optical module bearing seat 220 can pass through the first bullet Property component 240 and the second elastic parts 250 are hung in aforementioned shell.Specifically, the first elastic parts 240 and the second elasticity Component 250 is respectively arranged at the opposite side of optical module bearing seat 220, and the inner ring section 241 of the first elastic parts 240 and outer ring Section 242 is separately connected optical module bearing seat 220 and shell, and the inner ring section 251 of the second elastic parts 250 and outer ring section 252 are also It is separately connected optical module bearing seat 220 and shell.Thus, which optical module bearing seat 220 can pass through aforementioned first bullet Property component 240 and the second elastic parts 250 suspension.

As shown in figure 4, there is aforementioned optical assembly bearing base 220 accommodating space 221, a concave inward structure 222, one to be recessed Portion 223, multiple first protrusions 224, multiple second protrusions 225 and an at least cylinder 226.Accommodating space 221 is formed in The center of optical module bearing seat 220, optical module 30 are securable on optical module bearing seat 220 and are placed in aforementioned accommodating In space 221.Concave inward structure 222 is formed in the outside wall surface of optical module bearing seat 220 and around accommodating space 221.First with And the second protrusion 224,225 is formed in what optical module bearing seat 220 was contacted with the first, second elastic parts 240,250 On surface.When the first, second elastic parts 240,250 is connect with optical module bearing seat 220, the first, second protrusion 224,225 aforementioned first, second elastic parts 240,250 is protruded from.

Fig. 3 is gone back to, the first electromagnetic drive component 310 of the first drive module may be disposed at optical module bearing seat 220 Concave inward structure 222 in, and the second electromagnetic drive component 320 is securable on shell.Pass through aforementioned first electromagnetic drive component 310 and the second electromagnetic action between electromagnetic drive component 320, optical module bearing seat 220 and optical module 30 can be driven And it is mobile along Z-direction (first direction) relative to shell.For example, in this present embodiment, the first electromagnetic drive component 310 Can be driving coil, and the second electromagnetic drive component 320 then may include an at least magnet.When electric current is passed through driving coil (first Electromagnetic drive component 310) when, electromagnetic action will be generated between driving coil and magnet, thus, you can drive optical module Bearing seat 220 and the optical module 30 being arranged on are moved relative to shell along Z-direction.

Specifically, in this present embodiment, the column of the second elastic parts 250 connection optical module bearing seat 220 Body 226, and the second electromagnetic drive component 320 include the first magnet 320A and the second magnet 320B, wherein the second magnet 320B with Cylinder 226 is located at the same side of optical module bearing seat 220, and the first magnet 320A is then located at optical module with cylinder 226 and carries The phase heteropleural of seat 220.In order to make the volume-diminished of optical module driving mechanism, the length of the second magnet 320B be smaller than the first magnetic The length of iron 320A, and when being observed by the long axis direction of the second magnet 320B, the second magnet 320B and cylinder 226 have part weight It is folded, therefore, optical module driving mechanism can be made to minimize under the situation for not losing a large amount of driving forces.

Further, since the protrusion 224 on optical module bearing seat 220 protrude from the first, second elastic parts 240, 250, therefore when optical module bearing seat 220 is moved relative to shell, first, second on optical module bearing seat 220 is convex The bottom plate 110 or outline border 120 of box body can be contacted first by going out portion 224,225, thus avoid the first, second elastic parts 240,250 It hits bottom plate 110 or outline border 120 and damages.In addition, in order to keep optical module driving mechanism further small-sized Change, the area and height of the second protrusion 225 can be more than the area and height of the first protrusion 224.Thus, when being rushed When hitting, the gross pressure suffered by the second protrusion 225 can be larger, and the pressure that the first protrusion 224 is afforded is smaller, therefore The disperses impact forces that can be averaged avoid protrusion by destruction.Since the first, second protrusion 224,225 is all held with optical module Rotational symmetry (totally eight) centered on load seat 220, therefore can avoid generating when 225 contact base plate of the second protrusion or outline border crooked. Furthermore system shake material (such as gel) can be more set between the corner protrusion of pedestal 210 and the first protrusion 224, can inhibit not It is necessary to shake and do not increase installation space additionally.In addition, optical module bearing seat 220 Z-direction mobile range also It can be limited by the first, second elastic parts 240,250.

Second drive module can drive active module relative to fixed module along X-direction and/or Y direction (second party To) mobile.As shown in Figure 2 and Figure 5, in this present embodiment, the bias assembly 420 of the second drive module includes four strips Bias line, and be arranged in correspondence in four sides of the bottom plate 110 with rectangular configuration.The both ends of each bias line connect respectively The interconnecting piece 411 of the fixed part 111 and flexible part 410 of bottom plate 110 is connect, and the pedestal 210 of active module is fixed on pliability On part 410.

When applying drive signal (such as electric current) and bias assembly 420 is made to heat up, bias assembly 420 can generate deformation and It elongates or shortens；When stopping applying aforementioned drive signal, bias assembly 420 can then be restored to script length.In other words, pass through Apply drive signal appropriate, can control the length of bias assembly 420 so that flexible part 410 and active module phase thereon Bottom plate 110 is moved, so that optical module driving mechanism 10 has the function of sway compensating.

Active module may include the translation and rotation of active module relative to the movement of pedestal 210.When application drive appropriate Two bias lines of the oncoming lane in dynamic signal to figure and (bias line of elongation is towards interconnecting piece when it being made extend respectively with contraction 411 elongations；The bias line of contraction is shunk towards fixed part 111), bias assembly 420 can drive the work for being connected to flexible part 410 Dynamic model block opposed bottom 110 translates.Similarly, when applying drive signal appropriate to the bias line of oncoming lane and it made all to shrink When, bias assembly 420 can then drive active module opposed bottom 110 to rotate.

In some embodiments, bias assembly 420 can only include a side that a bias line is set to bottom plate 110, and It can be equipped with corresponding guide mechanism, to drive active module to translate or rotate relative to bottom plate 110.

Aforementioned bias assembly 420 can be with the more of marmem (Shape Memory Alloys, SMA) material A wire rod, therefore drive signal can be applied to it by external power supply by change its length.For example, the material of bias assembly W Matter may include Ti-Ni alloy (TiNi), titanium palldium alloy (TiPd), titanium monel (TiNiCu), titanium Ni-Pd alloy (TiNiPd) or A combination thereof.

In this present embodiment, flexible part 410 (being, for example, springs) has metal material and generally rectangular shaped structure, And there are two the string arms 412 of L-shaped for tool.Aforementioned string arm 412 may include three-decker, and it is exhausted in one that a conducting wire can specifically be arranged In edge layer, then with another insulating layer covering aforementioned wire.Finally, conducting wire can be made in trepanning on the insulating layer of covering aforementioned wire Expose part.The conducting wire of exposing can be electrically connected with other assemblies, and can reduce the risk of short circuit or open circuit.

For example, aforementioned string arm 412 can be connect with the conducting wire (non-icon) on bottom plate 110 and pedestal 210, and bottom plate 110 and pedestal 210 on conducting wire be with insert molding (Insert Molding) or with molding interconnection object (Molded Interconnect Device) mode of technology formed, before making it that can be separately electrically connected by flexible part 410 Four bias lines are stated, to form four independent circuits.Thus, can be applied respectively to each bias line by external power supply Independent drive signal, to change its length, so that the bottom plate 110 that active module is relatively fixed module moves.

Significantly, since aforementioned wire is to be formed in bottom in a manner of insert molding or molding interconnection object technology On plate 110 and/or pedestal 210, therefore it can reduce and additional conducting wire is set, and then make the one-piece parts of optical module driving mechanism 10 Number reduces, and substantially reduces its volume.

Aforementioned molding interconnection object technology for example including laser straight forming (Laser Direct Structuring, LDS), micro-volume micronizing technology (Microscopic Integrated Processing Technology, MIPTEC), thunder Penetrate inducing metal technology (Laser Induced Metallization, LIM), laser printing recombinant technique (Laser Restructuring Print, LRP), gas suspensoid jet printing technique (Aerosol Jet Process) or extra quality injection (Two- Shot molding method) etc..

Fig. 6 is the sectional view along the directions A-A in Fig. 2.Also referring to the 3rd, 6 figures, the magnet assembly of position detecting module 510 are fixed on optical module bearing seat 220, and position detector 520 is fixed on flexible part 410, and with flexible part 410 conducting wire is electrically connected.Position detector 520 divides with the second electromagnetic drive component 320 in the projection on bottom plate 110 each other From, and position detector 520 is overlapped in magnet assembly 510 in the projection on bottom plate 110 in the projection on bottom plate 110.Yu Benshi It applies in example, magnet assembly 510 is fixed on using colloid (non-icon) in the recessed portion 223 of optical module bearing seat 220, therefore can Colloid spilling is avoided to cause short circuit.In another embodiment, the opening direction of the recessed portion 223 can be towards bottom plate 110, and by magnetic Property component install in the opposite direction, make between magnet assembly and position sensor without optics assembly bearing base 220 be spaced, reach more Good sensing effect.

Aforementioned location detection module can be used to detect the relative position between optics assembly bearing base 220 and shell, below Illustrate its detection mode.First, as shown in Fig. 7 A~Fig. 7 C, position detector 520 may be, for example, tunnel magneto-resistance effect sensing Device (Tunneling Magnetoresistance Effect Sensor, TMR Sensor) a comprising fixed bed 521, one Insulating layer 522 and a free layer 523, wherein insulating layer 522 are set between fixed bed 521 and free layer 523.

Fixed bed 521 can be magnetized and generate fixed magnetic direction, and the magnetic direction of free layer 523 then can be according to outer The magnetic direction of portion's environment changes.When magnetic direction of the magnetic direction of external environment in contrast to fixed bed 521 (Fig. 7 A), position Setting detector 520 has maximum resistance.(the figure when the magnetic direction of external environment is different with the magnetic direction of fixed bed 521 7B), the resistance of position detector 520 can decline.When the magnetic direction of external environment is identical as the magnetic direction of fixed bed 521 (Fig. 7 C), position detector 520 have minimum resistance.

Fig. 8 A Fig. 8 B are please referred to, the magnetic force that position detector 520 is sensed is the magnetic force F1 and second of magnet assembly 510 The magnetic force F2 of electromagnetic drive component 320 (dotted line in figure is magnetic line of force direction).Therefore, the free layer 523 of position detector 520 Magnetic direction be F3.As shown in Figure 8 C, when 220 movement of the first drive module driving optical module bearing seat, make magnet assembly When 510 separate location detector 520, the magnetic force F1 that position detector 520 is subject to can reduce, and then magnetic direction F3 is made to change. Therefore, the position that position detector 520 can be according to magnetic direction F3 detection optics assembly bearing bases 220 relative to shell.

Magnetic line of force direction in magnet assembly 510 and the second electromagnetic drive component 320 is different from Z-direction, and magnetic group The magnetic line of force direction of part 510 can be different from the magnetic line of force direction in the second electromagnetic drive component 320, with prevent between the two because Attract or repels and the movement of optical module bearing seat 220 is had an impact.Specifically, when the magnetic of fixed bed 521 The angle of the magnetic direction of field direction and free layer 523 between 45 degree~135 degree when, the resistance of position detector 520 can be in line Property variation, therefore user can according to magnetic direction F3 variation setting fixed bed 521 magnetic direction, keep detection more accurate.

For example, in this present embodiment, the magnetic line of force direction in magnet assembly 510 and the second electromagnetic drive component 320 Angle between interior magnetic line of force direction is 45 degree, and the magnetic direction of fixed bed 521 may be set to perpendicular to magnet assembly at this time 510 magnetic line of force direction, the magnetic direction of the magnetic direction and free layer 523 that make fixed bed 521 is in optical module bearing seat 220 All between 45 degree~135 degree during being moved relative to shell.

Fig. 8 D are please referred to, in another embodiment of the utility model, magnet assembly 510 may include that two groups of magnetic poles (are, for example, Multipole magnet combines multiple magnet), and pole orientation is parallel with optical axis but on the contrary, this configuration can make the stronger region of magnetic force It concentrates on position detector 520, while so that the whole magnetic line of force is relatively concentrated and not dissipating, reduce electromagnetic interference.Furthermore due to magnetic Extreme direction is different from the second electromagnetic assembly 320, prevented also between the two because of attraction or repulsion and to optical module bearing seat 220 movement has an impact.

Referring to Fig. 9, in another embodiment of the utility model, barriers 530 can be set to magnet assembly 510 and Between two electromagnetic drive components 320 and between position detector 520 and the second electromagnetic drive component 320, to avoid magnetic group Magnetic force interference is generated between part 510 and the second electromagnetic drive component 320, and can increase influence power when magnet assembly 510 moves.

In some embodiments, before can also being reached by changing external form and/or the position of the second electromagnetic drive component 320 State purpose.For example, as shown in Figure 10, it in another embodiment, is driven apart from the second closer electromagnetism with position detector 520 The length of dynamic component 320 is less than the length with position detector 520 apart from the second electromagnetic drive component 320 farther out, and compares Interval between previous embodiment, position detector 520 and the second electromagnetic drive component 320 is larger.As shown in figure 11, in another In one embodiment, the second electromagnetic drive component 320 can have trapezium structure, and the bevel edge of trapezium structure is towards position detector 520。

2A and Figure 12 B are please referred to Fig.1, in some embodiments, when being moved in order to avoid optical module bearing seat 220 It is crooked, multiple position detecting modules can be set, and can be set to the same side or the opposite corner of bottom plate 110 on demand.

In foregoing embodiments, the second electromagnetic drive component 320 is to be adjacent to the side of bottom plate 110, and position detection Device 520 and magnet assembly 510 are then the corners for being adjacent to bottom plate 110.As shown in figure 13, in another embodiment of the utility model In, the second electromagnetic drive component 320 is to be adjacent to the corner of bottom plate 110, and position detector 520 and magnet assembly 510 are then It is adjacent to the side of bottom plate 110.

As shown in figure 14, in another embodiment, position detector 520 may be disposed on bottom plate 110, to avoid movable mold Collision aforementioned location detector 520 when block moves.As shown in figure 15, in another embodiment, position detector 520 may be disposed at On the photosensory assembly S of 10 lower section of optical module driving mechanism, make the volume of optical module driving mechanism 10 that can further contract Subtract.

In conclusion the utility model provides a kind of optical module driving mechanism, including an active module, one first driving Module and a position detecting module.Active module includes an optical module bearing seat and a shell.First drive module includes One first electromagnetic drive component being set on optical module bearing seat and one second electromagnetic drive component being set on shell, To drive optical module bearing seat to be moved relative to shell.Position detecting module includes a magnet assembly and a position detector, Wherein magnet assembly is set on optical module bearing seat, and position detector can detect the optical module according to magnetic direction and hold Carry position of the seat relative to shell.

Although the embodiments of the present invention and its advantage have been disclosed as above, it will be appreciated that people in the art Member without departing from the spirit and scope of the utility model, when can change, substitutes with retouch.In addition, the guarantor of the utility model Shield range be not necessarily limited by technique in specification in the specific embodiment, machine, manufacture, material composition, device, method and Step, those skilled in the art can understand from the utility model disclosure existing or following the developed technique, machine, Manufacture, material composition, device, method and step, as long as more or less the same function can be implemented in the embodiment here or obtained Obtaining more or less the same result can all use according to the utility model.Therefore, the scope of protection of the utility model includes above-mentioned technique, machine Device, manufacture, material composition, device, method and step.In addition, each claims constitute an other embodiment, and this practicality Novel protection domain also includes the combination of each claims and embodiment.

Although the utility model is disclosed as above with aforesaid plurality of preferred embodiment, so it is new to be not limited to this practicality for it Type.Technical staff in the utility model technical field, without departing from the spirit and scope of the utility model, when can do Changing and retouching perhaps.Therefore the scope of protection of the utility model is when subject to appended claims institute defender.In addition, Each claims are construed as an independent embodiment, and the combination of various claims and embodiment is all between this practicality In novel range.

Claims (20)

1. a kind of optical module driving mechanism, which is characterized in that the optical module driving mechanism includes：

One active module, including an optical module bearing seat and a shell：

One first drive module, the optical module bearing seat can be driven by first drive module and relative to the shell along one the One direction is moved, and wherein first drive module includes：

One first electromagnetic drive component is set on the optical module bearing seat；And

One second electromagnetic drive component, is set on the shell；And

One position detecting module, including：

One magnet assembly is set on the optical module bearing seat；And

One position detector detects the position of the optical module bearing seat relative to shell according to magnetic direction.

2. optical module driving mechanism as described in claim 1, which is characterized in that the optical module driving mechanism further includes one Fixed module and one second drive module, which connects the active module and the fixed module, and can drive this Active module is moved relative to the fixed module along a second direction, and wherein the first direction is different from the second direction.

3. optical module driving mechanism as claimed in claim 2, which is characterized in that second drive module includes a bias group Part connects the active module and the fixed module.

4. optical module driving mechanism as claimed in claim 3, which is characterized in that second drive module further includes one flexible Property part, is set between the active module and the fixed module and connects the bias assembly.

5. optical module driving mechanism as claimed in claim 4, which is characterized in that the position detector is set to the pliability On part.

6. optical module driving mechanism as claimed in claim 3, which is characterized in that one end of the bias assembly is affixed to this On fixed module.

7. optical module driving mechanism as described in claim 1, which is characterized in that the shell includes a pedestal, and the position Detector is set on the pedestal.

8. optical module driving mechanism as described in claim 1, which is characterized in that the optical module driving mechanism is located at a sense On optical assembly, and the position detector is set on the photosensory assembly.

9. optical module driving mechanism as described in claim 1, which is characterized in that the magnetic line of force direction phase in the magnet assembly Different from the first direction.

10. optical module driving mechanism as described in claim 1, which is characterized in that the magnetic in second electromagnetic drive component Line of force direction is different from the first direction.

11. optical module driving mechanism as described in claim 1, which is characterized in that the magnetic line of force direction in the magnet assembly It is different from the magnetic line of force direction in second electromagnetic drive component.

12. optical module driving mechanism as described in claim 1, which is characterized in that the position detecting module further includes a resistance Spacing body is set between second electromagnetic drive component and the magnet assembly.

13. optical module driving mechanism as described in claim 1, which is characterized in that the position detecting module further includes a resistance Spacing body is set between second electromagnetic drive component and the position detector.

14. optical module driving mechanism as described in claim 1, which is characterized in that first drive module includes another Two electromagnetic drive components, the distance between the position detector are more than second electromagnetic drive component and the position detector The distance between, wherein the length of another second electromagnetic drive component is more than the length of second electromagnetic drive component.

15. optical module driving mechanism as described in claim 1, which is characterized in that second electromagnetic drive component has ladder Shape structure, and the bevel edge of the trapezium structure is towards the position detector.

16. optical module driving mechanism as described in claim 1, which is characterized in that the shell includes a bottom plate, and the bottom plate With a rectangular configuration, wherein second electromagnetic drive component is adjacent to the side of the bottom plate, and the position detector is adjacent to the bottom The corner of plate.

17. optical module driving mechanism as described in claim 1, which is characterized in that the shell includes a bottom plate, and the bottom plate With a rectangular configuration, wherein second electromagnetic drive component is adjacent to the corner of the bottom plate, and the position detector is adjacent to the bottom The side of plate.

18. optical module driving mechanism as claimed in claim 2, which is characterized in that the fixed module includes a bottom plate, and should Second electromagnetic drive component is detached with the position detector in the projection on the bottom plate in the projection on the bottom plate.

19. optical module driving mechanism as described in claim 1, which is characterized in that the shell includes a bottom plate, bottom plate tool There is a rectangular configuration, and the optical module driving mechanism includes multiple position detecting modules, is respectively arranged at the opposite of the bottom plate Corner.

20. optical module driving mechanism as described in claim 1, which is characterized in that the shell includes a bottom plate, bottom plate tool There is a rectangular configuration, and the optical module driving mechanism includes multiple position detecting modules, is set to the same side of the bottom plate.