CN103905704A - Electronic device, camera and optical image stable driving device - Google Patents
Electronic device, camera and optical image stable driving device Download PDFInfo
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- CN103905704A CN103905704A CN201410141391.9A CN201410141391A CN103905704A CN 103905704 A CN103905704 A CN 103905704A CN 201410141391 A CN201410141391 A CN 201410141391A CN 103905704 A CN103905704 A CN 103905704A
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- carrier
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- optical image
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Abstract
The invention discloses an electronic device, a camera and an optical image stable driving device. The device comprises an outer shell, a carrier and at least three electric transformation components, wherein at least part of the carrier is arranged in the outer shell, the carrier is in the suspension state relative to the outer shell and a base, one end of the carrier is directly or indirectly connected with one or one set of first elastic elements which provide restoring force for the carrier, the other end of the carrier is directly or indirectly connected with at least three or three sets of second elastic elements, each or each set of second elastic elements are respectively connected with the electric transformation components respectively, the electric transformation components are directly or indirectly connected with signal terminals, the electric transformation components are arranged on the periphery of the carrier, and therefore the low power dissipation of the optical image stable driving device is achieved by shortening the one-way motion displacement, the product manufacturing engineering complexity is greatly reduced, and the electronic product stability is greatly improved.
Description
Technical field
The present invention relates to optical camera technical field, particularly a kind of camera and optical image stabilization drive unit.
Background technology
The electronic products such as the portable mobile phone with camera that prior art provides, support computer, touch-control amusement equipment.Its optical image stabilization drive unit is to use two groups of flexible members (the first flexible member and the second flexible member) to do electric connection, one end electric connection first flexible member of the lead-in wire of the coil of electronic transition components, other end electric connection second flexible member of coil lead.And its carrier installs in the enclosure, and be installed on base, contact with base, carrier is not for suspended state.
As shown in Figure 4, along with the increase of electric current, being arranged on the suffered electromagnetic force of coil on carrier progressively increases, and in the time that electromagnetic force equals preset elastic force and the carrier of flexible member and is arranged on the gravity of element on carrier, electric current is now starting current.The existence of starting current can produce power consumption, but can not promote carrier movement, when electric current continues to increase, carrier just may move upward, in the time being arranged on all parts on carrier and carrier displacement and arriving S, required electric current is I, because generation current will produce power consumption.So the power supply in electronic product has been wasted in the existence of starting current, causes loss.In addition, in the prior art, to use two groups of flexible members (the first flexible member and the second flexible member) to do electric connection, one end electric connection first flexible member of the lead-in wire of the coil of electronic transition components, other end electric connection second flexible member of coil lead.At this moment, the first flexible member not only needs to provide restoring force, also must be connected on flexible PCB and directly or indirectly be connected on signal terminal by other element, causes electronic product manufacturing engineering complexity to increase substantially.
Summary of the invention
The invention provides a kind of electronic equipment, camera and optical image stabilization drive unit, when reducing electronic product in shooting or taking a picture, cause unnecessary power consumption, and simple in structure.
To achieve these goals, example of the present invention provides following technical scheme:
A kind of optical image stabilization drive unit, it comprises:
A shell;
A carrier, be arranged at least partly in described shell and described carrier with respect to shell and base in suspended state;
What one end of described carrier was direct or indirect is connected with one or one group of first flexible member, for carrier provides restoring force, the other end of described carrier directly or is indirectly connected with at least three or three group of second flexible member, each or described in every group the second flexible member connect respectively electronic transition components, described electronic transition components directly or indirectly connects signal terminal;
At least 3 electronic transition components, be arranged on around carrier, electronic transition components time can be realized independently control action separately in energising, thus each described electronic transition components in the time of energising, produce independently linear movement can make carrier with respect to base move up and down, horizontal movement, oscillating motion or three have concurrently;
When described electronic transition components is during by the one or more energising of selectivity, can make carrier have concurrently with respect to base oscillating motion, horizontal movement or both, in the time that described electronic transition components is switched on simultaneously, when the displacement that each electronic transition components produces equates, be suspended in initial position or carrier with respect to optionally upwards one-way movement of base, one-way movement downwards or upper and lower Linear oscillating to realize carrier, realize the low-power consumption of optical image stabilization drive unit to shorten one-way movement stroke.
Preferably, each described electronic transition components is: marmem, piezoelectric element or the polymer device that after energising, can produce carrier moving displacement function.
Preferably, described the first flexible member and the second flexible member are all positioned at shell or are positioned at outside shell.
Preferably, described electronic transition components is: after energising, can produce carrier moving displacement function magnet and and energising after with described magnet can produce magneto motive coil.
Preferably, a part for the first flexible member is fixed on one end of carrier, another part of described the first flexible member is fixed on the top of magnet, and a part for the second flexible member is arranged on the bottom of magnet, and another part of described the second flexible member is fixed on the other end of carrier.
The present invention also provides a kind of camera, comprising: at least one camera lens, be above-mentionedly installed in optical image stabilization drive unit in described camera lens and at least one is installed in the imageing sensor in described camera lens.
The present invention also provides a kind of electronic equipment, comprises above-mentioned camera, and described camera comprises above-mentioned any described optical image stabilization drive unit.
By implementing above technical scheme, there is following technique effect: camera provided by the invention and optical image stabilization drive unit, only use one group or second flexible member to do electric connection and can simplify greatly engineering, the first flexible member is only responsible for providing restoring force, does not participate in electric connection.Reduce greatly product manufacturing engineering complexity, greatly improve electronic product stability.In the time that described electronic transition components is switched on simultaneously, the displacement that each electronic transition components produces equates, be suspended in initial position or carrier with respect to optionally upwards one-way movement of base, one-way movement downwards or upper and lower Linear oscillating to realize carrier, realize the low-power consumption of optical image stabilization drive unit to shorten one-way movement stroke.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION figure of optical image stabilization drive unit provided by the invention;
Fig. 2 is the installation diagram cutaway view of optical image stabilization drive unit provided by the invention;
Carrier (carrier is not in the suspended state) movement profiles that Fig. 3 provides for prior art;
Fig. 4 is carrier suspended state one-way movement curve chart provided by the invention;
Fig. 5 is the bidirectional-movement curve chart of carrier suspended state provided by the invention;
Fig. 6 is one side bipolar magnet structural representation provided by the invention.
Embodiment
Technical scheme for a better understanding of the present invention, describes embodiment provided by the invention in detail below in conjunction with accompanying drawing.
The embodiment of the present invention provides a kind of optical image stabilization drive unit, and as depicted in figs. 1 and 2, it comprises:
Camera lens is fixing by the rotation of intermediate thread position.Coil 102 is arranged on carrier 101 side surroundings on axle 112, this coil can spiral on axle 112, can be around axle 112 trapezoidal so that coil is fixed.
One end of described carrier 101 is connected with the first flexible member 110, this first flexible member 110 can be one, also can be one group, can directly be connected to one end of described carrier 101, also can be connected to by miscellaneous part one end of carrier 101, make the first flexible member 110 provide restoring force for carrier 101.At least three or three group of second flexible member 130 directly or indirectly connect the other end of described carrier 101, as: the reference column of the location hole of the second flexible member 130 and carrier 101 is fixed connection.Each or described in every group the second flexible member 130 connect respectively electronic transition components, described electronic transition components directly or indirectly connects signal terminal.
Concrete, a part for the first flexible member is fixed on one end of carrier, another part of described the first flexible member is fixed on the top of magnet, and a part for the second flexible member is arranged on the bottom of magnet, and another part of described the second flexible member is fixed on the other end of carrier.Elastic force by the first flexible member and the second flexible member holds up this carrier, to realize the suspension of carrier, as shown in Figure 2, between this carrier 101 and base 106, has gap 141.
Electronic transition components can be realized independently control action separately in the time of energising, that is: each described electronic transition components when energising produce independent (with other electronic transition components not necessarily simultaneously, there is no the specific time interval yet or apart from interval) thereby linear movement can make carrier with respect to base move up and down, horizontal movement, oscillating motion or three have concurrently.
When described electronic transition components (is controlled as required the signal of telecommunication and controlled carrier with respect to base oscillating motion by selectivity, horizontal movement or both have concurrently) when one or more energisings (not comprising whole energisings), electronic transition components can make carrier with respect to base oscillating motion, horizontal movement or both have concurrently, in the time that described electronic transition components is switched on simultaneously, when the displacement that each electronic transition components produces equates, be suspended in initial position to realize carrier, or carrier (is controlled signal of telecommunication control carrier with respect to upwards one-way movement of base as required with respect to base selectivity, one-way movement downwards or upper and lower Linear oscillating) upwards one-way movement, one-way movement downwards or upper and lower Linear oscillating, realize the low-power consumption of optical image stabilization drive unit to shorten one-way movement stroke.
As shown in Figure 4, carrier is during with respect to initial levitation position one direction (upwards or downwards) motion, and starting current is 0, and when carrier displacement arrives S, required electric current 12 is less than I, realizes power-dissipation-reduced.
As shown in Figure 5, when carrier moves (swinging up and down) with respect to initial levitation position twocouese, starting current is 0, and when carrier displacement (distance swinging up and down) arrives S, required electric current 13 is less than 12, and be far smaller than I, realize power consumption and reduce greatly with respect to prior art.
Coil by carrier passes coil 102 around axle 112, so that this coil 102 is positioned.This coil 102 for energising after, provide electromagnetic force upwards, because coil and carrier are fixed, so carrier and camera lens are fixed.
On four angles of described shell 104, be respectively arranged with magnet 103, the side of described magnet 103 is close on the medial surface of described shell 104, and described shell 104 is installed on described base 106 and described carrier 101, coil 102, the second flexible member 130 and the first flexible member 110 are positioned at described shell 104.On four angles of shell 104, be respectively arranged with boss, a magnet 103 is positioned on a described boss, this magnet 103 is installed in after described shell 104, between this magnet 103 and the inwall of shell 104, form patchhole, this patchhole is for the pillar of inserted base 106, so that shell 104 is installed on described base 106 and is suspended on base 106, base 106 is for prop carrier 101, fixing horizontal shell fragment etc.Preferably, this magnet 103 is the bipolar insulation magnet of one side, to reduce magnetic interference, improve anti-shake effect, in embodiment more specifically, as shown in Figure 6, the centre of described magnet 103 has without magnetic region 123, describedly without magnetic region 123, described magnet is divided into top 121 and bottom 122, the outer surface of described magnet is provided with insulating barrier 124, the top 121 of described magnet and the arranged outside that is positioned at described insulating barrier 124 have upper flexible member 110, and the bottom 122 of described magnet and the arranged outside that is positioned at described insulating barrier 124 have lower flexible member 130.By a magnet by a magnet being isolated into two parts without magnetic region, to complete the function of two blocks of magnet.
The mode directly contacting with respect to two blocks of magnet, is used and can reduce the phase mutual interference between upper and lower two magnetic fields without magnetic region, promotes coil stressed stability in magnetic field.Described magnet set-up mode is simple in structure, without insulating element, cost is low and size is little, is conducive to miniaturization and the ultrathin of product.
In the time that this electronic transition components is magnet 103 and coil, a described coil 102 has 2 lead-in wires, second flexible member 110 of a lead-in wire electrical connection of each coil, the bottom of described the second flexible member 130 is provided with flexible PCB 140, and described flexible PCB 140 has multiple pins.
In the embodiment of the present invention, only use the second flexible member to do electric connection and can simplify greatly engineering, the first flexible member is only responsible for providing restoring force, does not participate in electric connection.Reduce greatly product manufacturing engineering complexity, greatly improve electronic product stability.
On above-described embodiment basis, in other embodiments, further, the side of described carrier 101 is provided with automatic winding lead-in wire wire casing 113, to facilitate spiral lead-in wire.
In the various embodiments described above, preferably, the side of described carrier 101 is provided with at least three coil automatic windings around axle 112, as four.
On the various embodiments described above basis, in other embodiments, further, the top of described carrier 101 is provided with the glue fixing hole for fixing the first flexible member 110, fixes this first flexible member 110 to facilitate.
On the various embodiments described above basis, in other embodiments, further, the side of described carrier 101 is provided with groove groove 115.To carry out spacing and weight reduction.
The embodiment of the present invention also provides a kind of camera, comprising: at least one camera lens, be above-mentionedly arbitrarily describedly installed in optical image stabilization drive unit in described camera lens and at least one is installed in the imageing sensor in described camera lens.
The embodiment of the present invention also provides a kind of electronic equipment, and as mobile phone, palmtop PC etc., it comprises camera, and described camera comprises the optical image stabilization drive unit described in above-mentioned any embodiment.
A kind of optical image stabilization the drive unit above embodiment of the present invention being provided is described in detail, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. an optical image stabilization drive unit, is characterized in that, comprising:
A shell;
A carrier, be arranged at least partly in described shell and described carrier with respect to shell and base in suspended state;
What one end of described carrier was direct or indirect is connected with one or one group of first flexible member, for carrier provides restoring force, the other end of described carrier directly or is indirectly connected with at least three or three group of second flexible member, each or described in every group the second flexible member connect respectively electronic transition components, described electronic transition components directly or indirectly connects signal terminal;
At least 3 electronic transition components, be arranged on around carrier, electronic transition components time can be realized independently control action separately in energising, thus each described electronic transition components in the time of energising, produce independently linear movement can make carrier with respect to base move up and down, horizontal movement, oscillating motion or three have concurrently;
When described electronic transition components is during by the one or more energising of selectivity, can make carrier have concurrently with respect to base oscillating motion, horizontal movement or both, in the time that described electronic transition components is switched on simultaneously, the displacement that each electronic transition components produces equates, be suspended in initial position or carrier with respect to optionally upwards one-way movement of base, one-way movement downwards or upper and lower Linear oscillating to realize carrier, realize the low-power consumption of optical image stabilization drive unit to shorten one-way movement stroke.
2. optical image stabilization drive unit as claimed in claim 1, is characterized in that, described electronic transition components is: marmem, piezoelectric element or the polymer device that after energising, can produce carrier moving displacement function.
3. optical image stabilization drive unit as claimed in claim 1, is characterized in that, described the first flexible member and the second flexible member are all positioned at shell or are positioned at outside shell.
4. optical image stabilization drive unit as claimed in claim 1, is characterized in that, described electronic transition components is: after energising, can produce carrier moving displacement function magnet and and energising after can produce magneto motive coil with described magnet.
5. optical image stabilization drive unit as claimed in claim 4, it is characterized in that, a part for the first flexible member is fixed on one end of carrier, another part of described the first flexible member is fixed on the top of magnet, a part for the second flexible member is arranged on the bottom of magnet, and another part of described the second flexible member is fixed on the other end of carrier.
6. a camera, is characterized in that, comprising: at least one camera lens, claim 1-5 are described is arbitrarily installed in optical image stabilization drive unit in described camera lens and at least one is installed in the imageing sensor in described camera lens.
7. an electronic equipment, is characterized in that, comprises camera described in claim 6, and described camera comprises claim 1-5 described optical image stabilization drive unit arbitrarily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410141391.9A CN103905704A (en) | 2014-04-10 | 2014-04-10 | Electronic device, camera and optical image stable driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410141391.9A CN103905704A (en) | 2014-04-10 | 2014-04-10 | Electronic device, camera and optical image stable driving device |
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| Publication Number | Publication Date |
|---|---|
| CN103905704A true CN103905704A (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410141391.9A Pending CN103905704A (en) | 2014-04-10 | 2014-04-10 | Electronic device, camera and optical image stable driving device |
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| CN (1) | CN103905704A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104219426A (en) * | 2014-08-20 | 2014-12-17 | 惠州友华微电子科技有限公司 | Camera drive motor low in power consumption |
| CN107277305A (en) * | 2016-04-01 | 2017-10-20 | 台湾东电化股份有限公司 | Camera module and control method thereof |
| CN108964514A (en) * | 2018-08-17 | 2018-12-07 | 江苏科技大学 | A kind of the rotation micro machine and its driving method of piezoelectricity and marmem driving |
| CN109416498A (en) * | 2016-08-08 | 2019-03-01 | 剑桥机电有限公司 | Double camera apparatus |
| CN114827437A (en) * | 2021-01-28 | 2022-07-29 | 华为技术有限公司 | Cloud platform module, camera module and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104219426A (en) * | 2014-08-20 | 2014-12-17 | 惠州友华微电子科技有限公司 | Camera drive motor low in power consumption |
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| CN114827437A (en) * | 2021-01-28 | 2022-07-29 | 华为技术有限公司 | Cloud platform module, camera module and electronic equipment |
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| CB02 | Change of applicant information |
Address after: 517000 west of Xingye Avenue, north of Keji Avenue, high tech Zone, Heyuan City, Guangdong Province (plant B) Applicant after: Heyuan Youhua Microelectromechanical Technology Co.,Ltd. Address before: 516000 3 building, No. 41, Chang Chang two road, Zhongkai hi tech Zone, Huizhou, Guangdong. Applicant before: HUIZHOU YOUHUA MICROELECTRONIC TECHNOLOGY Co.,Ltd. |
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Application publication date: 20140702 |
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