CN213581545U - Lens module and electronic equipment - Google Patents
Lens module and electronic equipment Download PDFInfo
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- CN213581545U CN213581545U CN202021249670.4U CN202021249670U CN213581545U CN 213581545 U CN213581545 U CN 213581545U CN 202021249670 U CN202021249670 U CN 202021249670U CN 213581545 U CN213581545 U CN 213581545U
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Abstract
The utility model provides a lens module and an electronic device, the electronic device comprises a lens module, the lens module comprises a shell provided with a containing cavity, a lens which is arranged in the containing cavity and can move or rotate relative to the shell, and a piezoelectric driving device which connects the lens and the shell, the shell comprises a top plate with a light through hole, a bottom plate and a side plate which is arranged on the bottom plate and is arranged around the circumference of the lens, the piezoelectric driving device is arranged between the lens and the side plate, and the piezoelectric driving device is at least provided with two piezoelectric driving devices, when the lens shakes, the two or more piezoelectric driving devices act on the lens together to drive the lens to move so as to achieve the anti-shake purpose, each piezoelectric driving device comprises a piezoelectric sheet arranged between the lens and a side plate, the middle part of the piezoelectric sheet is connected with one of the side plate and the lens, and two ends of the piezoelectric sheet are connected with the other of the side plate and the lens.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a camera lens optical imaging technical field especially relates to a camera lens module and use electronic equipment of this camera lens module.
[ background of the invention ]
In recent years, high performance lenses are mounted on electronic products such as smart phones, tablet computers, and cameras. In the process of using, vibration deviation of the light path (i.e. the optical axis of the lens module deviates from the optimal optical axis path) often occurs due to external force factors or hand-held shaking, and thus the shot picture is blurred, and in order to ensure the quality of the shot image, the lens usually has an anti-shaking function.
The existing anti-shake scheme is that a vibration compensation device is usually arranged on an optical lens group to enable the captured image to be clear, but the conventional device is mostly provided with an electromagnetic pushing device arranged on the side surface of a lens, and a fulcrum structure is arranged at the bottom of the device, so that the anti-shake function is realized through the combined action of the two. But the way of electromagnetic actuation is relatively slow to respond, thereby affecting the user's operational experience.
[ Utility model ] content
A first object of the present invention is to provide a lens module, which is responsive rapidly and does not require a pivot structure to realize an anti-shake function.
The technical scheme of the utility model as follows: a lens module comprises a shell provided with a containing cavity, a lens arranged in the containing cavity and capable of moving or rotating relative to the shell, and a piezoelectric driving device for connecting the lens and the shell, wherein the shell comprises a top plate with a light through hole, a bottom plate arranged at an interval with the top plate, and a side plate arranged on the bottom plate and surrounding the lens in the circumferential direction, the bottom plate and the side plate are enclosed to form the containing cavity, the piezoelectric driving device is arranged between the lens and the side plate, at least two piezoelectric driving devices are arranged, two or more piezoelectric driving devices act on the lens together to drive the lens to move, each piezoelectric driving device comprises a piezoelectric sheet arranged between the lens and the side plate, and the middle part of the piezoelectric sheet is connected with one of the side plate and the lens, both ends of the piezoelectric sheet are connected with the other one of the side plate and the lens.
As an improvement, the lens module further includes a first fixed block and a second fixed block respectively disposed on two sides of the piezoelectric driving device, the first fixed block is disposed on the lens and parallel to the bottom plate, the second fixed block is disposed on the side plate and parallel to the bottom plate, the piezoelectric driving device is disposed between the first fixed block and the second fixed block, the middle of the piezoelectric sheet is connected to one of the first fixed block and the second fixed block, and two ends of the piezoelectric sheet are connected to the other of the first fixed block and the second fixed block.
As a modification, each of the piezoelectric sheets includes a first piezoelectric sheet, a support member, and a second piezoelectric sheet, which are stacked, projections of the first piezoelectric sheet and the second piezoelectric sheet in the optical axis direction fall within the support member, a middle portion of the first piezoelectric sheet is connected to one of the first fixing block and the second fixing block, and both ends of the support member are connected to the other of the first fixing block and the second fixing block.
As an improved mode, the piezoelectric driving device further comprises a first connecting piece, the first connecting piece is arranged in the middle of the piezoelectric piece, and the piezoelectric piece is connected with the first fixing block or the second fixing block through the first connecting piece.
As an improvement, the first connecting piece is integrally formed with the first fixing block or the second fixing block.
As an improved mode, the piezoelectric driving device further includes two second connecting members, the two second connecting members are respectively connected to two ends of the piezoelectric sheet one by one, and the two ends of the piezoelectric sheet are connected to the first fixing block or the second fixing block through the second connecting members.
As an improvement, the second connecting member is integrally formed with the first fixing block or the second fixing block.
As a modification, three piezoelectric driving devices are provided, and the three piezoelectric driving devices are distributed at intervals along the circumferential direction of the lens.
As an improvement, the lens module further comprises an elastic member sleeved on the lens, and the elastic member surrounds the lens to fix the lens to the side plate.
A second object of the present invention is to provide an electronic apparatus, which includes the lens module as described above.
The beneficial effects of the utility model reside in that:
the utility model discloses a camera lens module is when the camera lens takes place the shake, and piezoelectric drive device is exerted voltage, thereby piezoelectric drive device takes place deformation, and two or more than two piezoelectric drive device act on the camera lens jointly, thereby the anti-shake is realized in the drive camera lens motion. Owing to be provided with the purpose that the piezo-electric drive just can realize the anti-shake, consequently, the utility model discloses a lens module need not additionally set up the fulcrum structure, just can all-round adjustment lens module's position to reach the anti-shake purpose, convenient operation, the practicality is strong. Moreover, the piezoelectric driving device is very quick in response, operation experience of a user is greatly improved, and meanwhile, the piezoelectric driving device can be very thin, so that the occupied space is small, the size of the lens module is reduced, and the miniaturization of the lens module is realized.
The utility model discloses an electronic equipment is owing to be provided with above-mentioned camera lens module, when the camera lens takes place to shake, position that can all-round adjustment camera lens to reach the anti-shake purpose, convenient operation, the practicality is strong, and the response is very rapid moreover, has promoted user's operation experience greatly.
[ description of the drawings ]
Fig. 1 is a schematic structural view of a lens module according to embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is an exploded view of a lens module according to embodiment 1 of the present invention;
fig. 4 is an assembly diagram of a lens, an elastic supporting member and a side plate of the lens module according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of an elastic supporting member according to embodiment 1 of the present invention;
fig. 6 is a top view of a lens module according to embodiment 2 of the present invention;
fig. 7 is a cross-sectional view taken along line B-B of fig. 6.
Description of the drawings:
1. a lens module;
10. a housing; 11. an accommodating cavity; 12. a light through hole; 13. a base plate; 14. a top plate; 15. a side plate;
20. a lens;
30. a piezoelectric driving device; 31/31', a first piezoelectric patch; 32/32', a second piezoelectric patch; 33/33', a support; 34/34', piezoelectric patches;
40/40', a first connector;
50/50', a second connector;
60. an elastic member; 61. an inner frame; 62. an outer frame; 63. an elastic connection beam;
70. a circuit board;
80. a first fixed block;
90. and a second fixed block.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
It should be noted that all the directional indicators (such as upper, lower, left, right, front, back, inner, outer, top, bottom … …) in the embodiments of the present invention are only used to explain the relative position between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Example 1
Referring to fig. 1-5, the present embodiment provides an electronic device including a lens module 1 with an anti-shake function. The lens module 1 includes a housing 10 having a receiving cavity 11, a lens 20 disposed in the receiving cavity 11 and capable of moving or rotating relative to the housing 10, a piezoelectric driving device 30 connecting the lens 20 and the housing 10, the shell 10 comprises a top plate 14 with a light through hole 12, a bottom plate 13 arranged at an interval with the top plate 14 and a side plate 15 arranged on the bottom plate 13 and arranged around the circumference of the lens 20, the bottom plate 13 and the side plate 15 are enclosed to form an accommodating cavity 11, the light through hole 12 is arranged right opposite to the lens 20, the piezoelectric driving device 30 is arranged between the lens 20 and the side plate 15, at least two piezoelectric driving devices 30 are arranged, two or more piezoelectric driving devices 30 act on the lens 20 together to drive the lens 20 to perform deflection motion around an optical axis, each piezoelectric driving device 30 comprises a piezoelectric sheet 34 arranged between the lens 20 and the side plate 15, the middle part of the piezoelectric sheet 34 is connected with the side plate 15, and two ends of the piezoelectric sheet 34 are connected with the lens 20.
The piezoelectric driving device 30 has a piezoelectric effect: when an electric field is applied to the piezoelectric actuator 30, the piezoelectric actuator 30 is deformed, and the deformation of the piezoelectric actuator 30 disappears when the electric field is removed. Therefore, when the lens 20 shakes, a voltage is applied to the piezoelectric driving device 30, the piezoelectric driving device 30 deforms, and two or more piezoelectric driving devices 30 act on the lens 20 together to drive the lens 20 to perform a yaw movement, so that the shake prevention is realized. Owing to be provided with the purpose that the piezo-electric drive device 30 just can realize the anti-shake, consequently, the camera lens module 1 of this embodiment need not additionally set up the fulcrum structure, just can all-round adjustment camera lens module 1's position to reach the anti-shake purpose, convenient operation, the practicality is strong. Moreover, the piezoelectric driving device 30 responds very quickly, operation experience of a user is greatly improved, and meanwhile, the piezoelectric driving device 30 can be made very thin, so that the occupied space is small, the size of the lens module 1 is reduced, and the miniaturization of the lens module 1 is realized. In addition, the piezoelectric driving device 30 also plays a supporting role, and the support lens 20 is suspended in the accommodating cavity 11.
It will be appreciated that the electronic device may be a smartphone, or a tablet, or a camera.
The material of the housing 10 is not limited, and may be plastic, for example, the shape of the housing 10 is adapted to the shape of the lens 20, in this embodiment, the shape of the housing 10 is a square.
Referring to fig. 1 to 5, the lens module 1 further includes a first fixing block 80 and a second fixing block 90 respectively disposed at two sides of the piezoelectric driving device 30, the first fixing block 80 is disposed on the lens 20 and parallel to the bottom plate 13, the second fixing block 90 is disposed on the side plate 15 and parallel to the bottom plate 13, the piezoelectric driving device 30 is disposed between the first fixing block 80 and the second fixing block 90, the middle portion of the piezoelectric piece 34 is connected to the second fixing block 90, and two ends of the piezoelectric piece 34 are connected to the first fixing block 80.
Referring to fig. 1 to 5, the piezoelectric sheet 34 includes a first piezoelectric sheet 31, a support member 33, and a second piezoelectric sheet 32, which are stacked, wherein projections of the first piezoelectric sheet 31 and the second piezoelectric sheet 32 along an optical axis direction fall in the support member 33, a middle portion of the first piezoelectric sheet 31 is connected to a second fixing block 90, the first piezoelectric sheet 31 is connected to the side plate 15 through the second fixing block 90, both ends of the support member 33 are connected to the first fixing block 80, and the support member 33 is connected to the lens 20 through the first fixing block 80. The piezoelectric driving device 30 is applied with a voltage, and the piezoelectric driving device 30 deforms accordingly (for example, when the first piezoelectric sheet 31 and the second piezoelectric sheet 32 are applied with different polarities, the piezoelectric driving device 30 is convex or concave as a whole).
It is understood that the contact point of the first piezoelectric plate 31 and the second fixed block 90 may be in the middle of the first piezoelectric plate 31, or at any position of the first piezoelectric plate 31, and the contact point of the first piezoelectric plate 31 and the second fixed block 90 is preferably in the middle, so that the force generated by the deformation of the piezoelectric driving device 30 can better act on the lens 20. Similarly, the contact point between the support member 33 and the lens 20 may be at two ends of the support member 33, or at any position of the support member 33, and the contact point between the support member 33 and the lens 20 is preferably at two ends of the support member 33, so that the support member 33 can support the first piezoelectric patch 31 and the second piezoelectric patch 32, and can affect the deformation of the first piezoelectric patch 31 and the second piezoelectric patch 32 as little as possible.
The piezoelectric driving device 30 further includes a first connecting member 40 and a second connecting member 50, the first connecting member 40 is disposed in the middle of the first piezoelectric patch 31, the first piezoelectric patch 31 is connected to the second fixing block 90 through the first connecting member 40, the second connecting member 50 is provided with two, the two second connecting members 50 are respectively connected to two ends of the supporting member 33 one by one, and the supporting member 33 is connected to the first fixing block 80 through the second connecting member 50.
Alternatively, in order to improve assembly efficiency and connection stability, the first connecting member 40 is integrally formed with the second fixing block 90, and the second connecting member 50 is integrally formed with the first fixing block 80.
It can be understood that the number of the piezoelectric driving devices 30 is not limited, and specifically, two or more piezoelectric driving devices 30 may be provided according to actual optical requirements, in this embodiment, three piezoelectric driving devices 30 are provided, and the three piezoelectric driving devices 30 are uniformly distributed along the circumferential direction of the lens 20. The three piezoelectric driving devices 30 are basically capable of satisfying the shake compensation of the lens 20 in all directions, so that the number of the piezoelectric driving devices 30 is not too large, and in addition, the size of the piezoelectric driving devices 30 is not large, and the weight is light, so that the overall structure of the lens module 1 is not heavy due to the arrangement of the piezoelectric driving devices 30.
It should be noted that the mounting point of the piezoelectric driving device 30 is determined by optical requirements, and by controlling the position of each piezoelectric driving device 30, under the common acting force of each piezoelectric driving device 30, the lens 20 reaches a specified orientation, that is, the lens 20 can move under the driving force of the piezoelectric driving device 30 to return the optical axis to the optimal shooting position, thereby achieving the anti-shake purpose.
Optionally, the first fixing block 80 and the lens 20 are integrally formed or separately assembled, the number of the first fixing blocks 80 may be one, at this time, the plurality of piezoelectric driving devices 30 are all installed on the same first fixing block 80, and the first fixing block 80 is sleeved on the lens 20; the first fixing blocks 80 may be correspondingly provided in plurality corresponding to the number of the piezoelectric driving units 30, in which case, the first fixing blocks 80 extend from the lens 20 toward the side plate 15, and one piezoelectric driving unit 30 is correspondingly mounted on one first fixing block 80. Similarly, the second fixing block 90 and the side plate 15 are integrally formed or assembled separately, the number of the second fixing blocks 90 may be one, at this time, the plurality of piezoelectric driving devices 30 are all mounted on the same second fixing block 90, and the second fixing block 90 is disposed around the lens 20 but is not in contact with the lens 20; the second fixing block 90 may be provided in a plurality corresponding to the number of the piezoelectric driving units 30, in which case, the second fixing block 90 extends from the side plate 15 toward the lens 20, and one piezoelectric driving unit 30 is correspondingly mounted on one second fixing block 90.
Referring to fig. 3-5, in order to better support the lens 20, the lens module 1 further includes an elastic element 60 disposed in the accommodating cavity 11 to support the lens 20 suspended in the accommodating cavity 11, the elastic element 60 is disposed around the lens 20 and sleeved on the lens 20, and the elastic element 60 is elastically compressed between the lens 20 and the housing 10. The elastic member 60 of the present embodiment includes an inner frame 61 fitted over the lens 20, an outer frame 62 provided around the inner frame 61 and connected to the side plates 15, and elastic connection beams 63 connecting the inner frame 61 and the outer frame 62. The inner frame 61, the outer frame 62 and the elastic connecting beams 63 are integrally formed, the inner frame 61 is circular, the outer frame 62 is square, the elastic connecting beams 63 are arc-shaped, the elastic connecting beams 63 are four, four connecting points are uniformly distributed on the inner frame 61 in the circumferential direction, and similarly, four connecting points are uniformly distributed on the outer frame 62 in the circumferential direction and correspond to the four connecting points of the inner frame 61 one to one, two ends of each elastic connecting beam 63 are respectively connected with one connecting point of the inner frame 61 and one connecting point of the outer frame 62, but each elastic connecting beam 63 is not connected with the corresponding connecting point of the inner frame 62 but connected with the connecting point staggered by one position, for example, the connecting point of the inner frame 61 is a first connecting point, a second connecting point, a third connecting point and a fourth connecting point, the one-to-one connecting point of the outer frame 62 is a fifth connecting point, seventh tie point, eighth tie point, first tie point and sixth tie point are connected to one of them elastic connection roof beam 63, other elastic connection roof beams 63 dislocation connection in proper order, make each not influence each other between each elastic connection roof beam 63, the length of elastic connection roof beam 63 has been prolonged as far as simultaneously, the rigidity of elastic connection roof beam 63 has further been reduced, be convenient for camera lens 20 to move, camera lens 20 is when removing, partial elastic connection roof beam 63 is compressed, partial elastic connection roof beam 63 is elongated, of course, the tie point that interior frame 62 corresponds can also be connected to every elastic connection roof beam 63, for example, first tie point and fifth tie point are connected to an elastic connection roof beam 63, and, the tie point of inside casing 61 and the tie point of frame 62's position also need not just, can stagger the setting.
Referring to fig. 1-3, the lens module 1 further includes a circuit board 70 electrically connected to the lens 20, and the circuit board 70 is connected to the lens 20 through the housing 10. The circuit board 70 is used to supply power to the lens 20 and the piezoelectric driving device 30.
Example 2
Referring to fig. 4-7, the present embodiment is different from embodiment 1 in the connection manner between the piezoelectric driving device 30 and the side plate 15 and the lens 20, and the rest is the same as embodiment 1, which is not described herein again.
In the present embodiment, the piezoelectric driving device 30 includes a piezoelectric sheet 34', the middle portion of the piezoelectric sheet 34' is connected to the lens 20, and both ends of the piezoelectric sheet 34' are connected to the side plates 15.
Further, the piezoelectric sheet 34' includes a first piezoelectric sheet 31', a second piezoelectric sheet 32', and a support member 33', projections of the first piezoelectric sheet 31' and the second piezoelectric sheet 32' in the optical axis direction fall within the support member 33', a middle portion of the first piezoelectric sheet 31' is connected to the first fixing block 80, and both ends of the support member 33' are connected to the second fixing block 90.
Furthermore, the piezoelectric driving device 30 further includes a first connecting member 40' and a second connecting member 50', the first connecting member 40' is disposed in the middle of the first piezoelectric sheet 31', the first piezoelectric sheet 31' is connected to the first fixing block 80 through the first connecting member 40', the second connecting member 50' is provided in two numbers, the two second connecting members 50' are respectively connected to two ends of the supporting member 33', and the supporting member 33' is connected to the second fixing block 90 through the second connecting member 50 '.
Alternatively, in order to improve assembly efficiency and connection stability, the first connecting member 40 'is integrally formed with the first fixing block 80, and the second connecting member 50' is integrally formed with the second fixing block 90.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (10)
1. A lens module is characterized in that the lens module comprises a shell provided with a containing cavity, a lens arranged in the containing cavity and capable of moving or rotating relative to the shell, and a piezoelectric driving device connected with the lens and the shell, wherein the shell comprises a top plate with a light through hole, a bottom plate arranged at an interval with the top plate, and a side plate arranged on the bottom plate and surrounding the lens in the circumferential direction, the bottom plate and the side plate are enclosed to form the containing cavity, the piezoelectric driving device is arranged between the lens and the side plate, at least two piezoelectric driving devices are arranged, two or more piezoelectric driving devices act on the lens together to drive the lens to move, each piezoelectric driving device comprises a piezoelectric sheet arranged between the lens and the side plate, and the middle part of the piezoelectric sheet is connected with one of the side plate and the lens, both ends of the piezoelectric sheet are connected with the other one of the side plate and the lens.
2. The lens module as claimed in claim 1, further comprising a first fixing block and a second fixing block respectively disposed at both sides of the piezoelectric driving device, wherein the first fixing block is disposed at the lens and disposed in parallel with the bottom plate, the second fixing block is disposed at the side plate and disposed in parallel with the bottom plate, the piezoelectric driving device is disposed between the first fixing block and the second fixing block, a middle portion of the piezoelectric sheet is connected to one of the first fixing block and the second fixing block, and both ends of the piezoelectric sheet are connected to the other of the first fixing block and the second fixing block.
3. The lens module according to claim 2, wherein each of the piezoelectric sheets includes a first piezoelectric sheet, a support member, and a second piezoelectric sheet arranged in a stack, projections of the first piezoelectric sheet and the second piezoelectric sheet in the optical axis direction fall within the support member, a middle portion of the first piezoelectric sheet is connected to one of the first fixing block and the second fixing block, and both ends of the support member are connected to the other of the first fixing block and the second fixing block.
4. The lens module as claimed in claim 2, wherein the piezoelectric actuator further comprises a first connecting member disposed at a middle portion of the piezoelectric plate, and the piezoelectric plate is connected to the first fixing block or the second fixing block through the first connecting member.
5. The lens module as claimed in claim 4, wherein the first connecting member is integrally formed with the first fixing block or the second fixing block.
6. The lens module as claimed in claim 4, wherein the piezoelectric driving device further comprises two second connecting members, the two second connecting members are respectively connected to two ends of the piezoelectric plate, and the two ends of the piezoelectric plate are connected to the first fixing block or the second fixing block through the second connecting members.
7. The lens module as claimed in claim 6, wherein the second connecting member is integrally formed with the first fixing block or the second fixing block.
8. The lens module as claimed in claim 1, wherein there are three piezoelectric actuators, and the three piezoelectric actuators are spaced along the circumference of the lens.
9. The lens module as claimed in claim 1, further comprising an elastic member disposed around the lens for fixing the lens to the side plate.
10. An electronic device, comprising the lens module according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249670.4U CN213581545U (en) | 2020-06-30 | 2020-06-30 | Lens module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021249670.4U CN213581545U (en) | 2020-06-30 | 2020-06-30 | Lens module and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213581545U true CN213581545U (en) | 2021-06-29 |
Family
ID=76551098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021249670.4U Active CN213581545U (en) | 2020-06-30 | 2020-06-30 | Lens module and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213581545U (en) |
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2020
- 2020-06-30 CN CN202021249670.4U patent/CN213581545U/en active Active
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