CN115685489A - Imaging lens, imaging device, and electronic apparatus - Google Patents

Abstract

The present disclosure relates to an imaging lens, an imaging device, and an electronic apparatus. The imaging lens includes: the lens comprises a first lens group, a second lens group, a third lens group, a first outer lens barrel and a second outer lens barrel which are sequentially arranged from an object side to an image side; the optical axis of the first lens group passes through the first outer lens barrel and the second outer lens barrel; the outer wall of the first inner lens cone is closer to the optical axis than the inner wall of the first outer lens cone, and the outer wall of the first outer lens cone is closer to the optical axis than the inner wall of the second outer lens cone; the outer wall of the second inner barrel is closer to the optical axis than the inner wall of the first outer barrel; the outer wall of the third inner barrel is closer to the optical axis than the inner wall of the first outer barrel; the first lens group is movable relative to the second outer barrel, the second lens group is movable relative to the first outer barrel, the third lens group is movable relative to the first outer barrel, and the second outer barrel is movable relative to the first outer barrel. The technical scheme of the disclosure can improve the structure of the camera lens so as to be conveniently integrated in the electronic equipment.

Description

Imaging lens, imaging device, and electronic apparatus

Technical Field

The present disclosure relates to the field of optical imaging technologies, and in particular, to a camera lens, a camera device, and an electronic apparatus.

Background

In the related art, with the development of electronic technologies, electronic devices such as mobile phones and tablet computers have been developed rapidly, and meanwhile, a camera lens for acquiring images has become a standard configuration of the electronic devices. However, the structure of the camera lens with the zoom function is not suitable for meeting the light and thin requirements of the electronic device, and is difficult to integrate into the electronic device. Therefore, how to improve the structure of the imaging lens so as to integrate the imaging lens with the zooming function in the electronic device is a technical problem to be solved.

Disclosure of Invention

In order to overcome the problems in the related art, embodiments of the present disclosure provide an imaging lens, an imaging device, and an electronic apparatus, so as to improve a structure of the imaging lens, so that the imaging lens is integrated in the electronic apparatus.

According to a first aspect of embodiments of the present disclosure, there is provided an imaging lens including: the lens comprises a first lens group, a second lens group, a third lens group, a first outer lens cone and a second outer lens cone;

the first lens group, the second lens group and the third lens group are sequentially arranged from the object side to the image side along an optical axis;

the first lens group comprises a first inner lens barrel and M lenses, wherein the M lenses are sequentially arranged from an object side to an image side and fixed in the first inner lens barrel, the M lenses are aspheric lenses, and M is a positive integer; the second lens group comprises a second inner lens cone and N lenses, wherein in the second lens group, the N lenses are sequentially arranged from an object side to an image side and are fixed in the second inner lens cone, the N lenses are aspheric lenses, and N is a positive integer; the third lens group comprises a third inner lens cone and L lenses, wherein in the third lens group, the L lenses are sequentially arranged from the object side to the image side and are fixed in the third inner lens cone, the L lenses are aspheric lenses, and L is a positive integer;

the optical axis passes through the first outer barrel and the second outer barrel; the outer wall of the first inner barrel is closer to the optical axis than the inner wall of the first outer barrel, and the outer wall of the first outer barrel is closer to the optical axis than the inner wall of the second outer barrel; the outer wall of the second inner barrel is closer to the optical axis than the inner wall of the first outer barrel; the outer wall of the third inner barrel is closer to the optical axis than the inner wall of the first outer barrel; the first outer lens cone is movably connected with the second outer lens cone, the first inner lens cone is movably connected with the second outer lens cone, the second inner lens cone is movably connected with the first outer lens cone, and the third inner lens cone is movably connected with the first outer lens cone;

the first lens group is movable relative to the second outer barrel, the second lens group is movable relative to the first outer barrel, the third lens group is movable relative to the first outer barrel, and the second outer barrel is movable relative to the first outer barrel upon focusing or zooming.

In one embodiment, the imaging lens further includes a first slider, a first driving mechanism, and a second driving mechanism;

a first guide rail is arranged on the outer wall of the first inner lens barrel, a second guide rail is arranged on the inner wall of the second outer lens barrel, a first end of the first slider is matched with the first guide rail, the first driving mechanism is configured to drive the first slider to move along the first guide rail, a second end of the first slider is matched with the second guide rail, and the second driving mechanism is configured to drive the first slider to move along the second guide rail;

the first driving mechanism and the second driving mechanism are piezoelectric ceramic motors.

In one embodiment, the imaging lens further includes a second slider, a third driving mechanism, and a fourth driving mechanism;

a third guide rail is arranged on the outer wall of the second inner lens barrel, a fourth guide rail is arranged on the inner wall of the first outer lens barrel, a first end of the second slider is matched with the third guide rail, the third driving mechanism is configured to drive the second slider to move along the third guide rail, a second end of the second slider is matched with the fourth guide rail, and the fourth driving mechanism is configured to drive the second slider to move along the fourth guide rail;

the third driving mechanism and the fourth driving mechanism are piezoelectric ceramic motors.

In one embodiment, the imaging lens further includes a third slider, a fifth driving mechanism, and a sixth driving mechanism;

a fifth guide rail is arranged on the outer wall of the third inner lens barrel, a first end of the third slider is matched with the fifth guide rail, the fifth driving mechanism is configured to drive the third slider to move along the fifth guide rail, a second end of the third slider is matched with the fourth guide rail, and the sixth driving mechanism is configured to drive the third slider to move along the fourth guide rail;

the fifth driving mechanism and the sixth driving mechanism are piezoelectric ceramic motors.

In one embodiment, the imaging lens further includes a fourth slider, a seventh driving mechanism, and an eighth driving mechanism;

a sixth guide rail is arranged on the outer wall of the first outer lens barrel, a first end of the fourth slider is matched with the sixth guide rail, the seventh driving mechanism is configured to drive the fourth slider to move along the sixth guide rail, a second end of the fourth slider is matched with the second guide rail, and the eighth driving mechanism is configured to drive the fourth slider to move along the second guide rail;

the seventh driving mechanism and the eighth driving mechanism are piezoelectric ceramic motors.

In one embodiment, the imaging lens further includes a ninth driving mechanism, the ninth driving mechanism is movably connected with the third lens group, and the ninth driving mechanism is configured to drive the first lens group, the second lens group and the third lens group to move along an optical axis of the third lens group;

the ninth driving mechanism is a voice coil motor.

In one embodiment, M, N, L are each 2.

In one embodiment, upon focusing or zooming, a magnitude of movement of the third lens group is smaller than a magnitude of movement of the first lens group, and/or a magnitude of movement of the third lens group is smaller than a magnitude of movement of the second lens group.

In one embodiment, the third lens group further includes an infrared filter; in the third lens group, the infrared filter is fixed in the third inner lens barrel and is positioned on one side of the L lenses facing the image side.

According to a second aspect of the embodiments of the present disclosure, there is provided an image pickup apparatus including an image sensor and the above-described image pickup lens, the image sensor being located on a side of the image pickup lens facing an image side.

In one embodiment, when the imaging lens further includes a ninth driving mechanism, the image sensor is fixed to an end of the ninth driving mechanism facing the image side.

According to a third aspect of the embodiments of the present disclosure, there is provided an electronic apparatus including an apparatus body including a mounting hole and the above-described image pickup device, the image pickup device being fitted in the mounting hole;

when the image pickup device is in a non-imaging state, a surface of the image pickup device facing the object side is substantially flush with a surface of the apparatus body facing the object side.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects: since the image pickup lens includes the first lens group, the second lens group, and the third lens group, and M lenses in the first lens group are aspheric lenses, N lenses in the second lens group are aspheric lenses, and L lenses in the third lens group are aspheric lenses, that is, the lenses in the image pickup lens are all aspheric lenses, the thickness of the image pickup lens can be reduced. In the second lens group, N lenses are fixed in the second inner barrel, the outer wall of the second inner barrel is closer to the optical axis than the inner wall of the first outer barrel, the second lens group is movable relative to the first outer barrel, i.e., the second lens group is movable along the optical axis toward the image side or toward the object side, in the third lens group, L lenses are fixed in the third inner barrel, the outer wall of the third inner barrel is closer to the optical axis than the inner wall of the first outer barrel, the third lens group is movable relative to the first outer barrel, i.e., the third lens group is movable along the optical axis toward the image side or toward the image side, the second outer barrel is fixed in the third inner barrel, i.e., the outer wall of the third inner barrel is closer to the optical axis than the inner wall of the first outer barrel, the third lens group is movable relative to the first outer barrel, i.e., the third lens group is movable along the optical axis toward the image side or toward the image side, the second outer barrel is movable relative to the image side, and the third lens group is movable relative to the first outer barrel, thereby facilitating the image taking device to take an image taking image. In summary, the technical solution provided by the present disclosure can improve the structure of the camera lens, so as to integrate the camera lens in the electronic device.

Moreover, the image pickup device is fitted in the mounting hole of the apparatus body, and when the image pickup device is in the non-imaging state, the surface of the image pickup device facing the object side is substantially flush with the surface of the apparatus body facing the object side.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1 is a schematic configuration diagram of an image pickup apparatus according to an exemplary embodiment.

Fig. 2 is a schematic configuration diagram of an image pickup apparatus according to an exemplary embodiment.

Fig. 3 is a schematic configuration diagram of an image pickup apparatus according to an exemplary embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

Fig. 1 to 3 are schematic structural views of an image pickup apparatus according to an exemplary embodiment. The image pickup device includes an image sensor 8 and an image pickup lens, and the image sensor 8 is located on a side of the image pickup lens facing the image side.

In the present embodiment, as shown in fig. 1 to 3, the imaging lens includes a first lens group 1, a second lens group 2, a third lens group 3, a first outer barrel 5, a second outer barrel 6, a first slider 61, a second slider 52, a third slider 53, a fourth slider 56, a first driving mechanism, a second driving mechanism, a third driving mechanism, a fourth driving mechanism, a fifth driving mechanism, a sixth driving mechanism, a seventh driving mechanism, an eighth driving mechanism, and a ninth driving mechanism 4.

In the present embodiment, as shown in fig. 1 to 3, the optical axis of the first lens group 1, the optical axis of the second lens group 2, and the optical axis of the third lens group 3 coincide with the optical axis 9 of the imaging lens, respectively. The first lens group 1, the second lens group 2, and the third lens group 3 are arranged in order from an object side to an image side along an optical axis 9.

In the present embodiment, as shown in fig. 1 to 3, the first lens group 1 includes a first lens 11, a second lens 12 and a first inner barrel 13. In the first lens group 1, the first lens 11 and the second lens 12 are arranged in order from the object side to the image side and fixed in the first inner barrel 13, and the first lens 11 and the second lens 12 are aspheric lenses. In the present embodiment, the first lens group 1 includes two lenses, and in other embodiments, the number of lenses in the first lens group 1 is not limited to two, and for example, the number of lenses in the first lens group 1 may be one, three, or other number.

In the present embodiment, as shown in fig. 1 to 3, the second lens group 2 includes a third lens 21, a fourth lens 22 and a second inner barrel 23. In the second lens group 2, the third lens 21 and the fourth lens 22 are arranged in order from the object side to the image side and fixed in the second inner barrel 23, and the third lens 21 and the fourth lens 22 are aspheric lenses respectively. In the present embodiment, the second lens group 2 includes two lenses, and in other embodiments, the number of lenses in the second lens group 2 is not limited to two, and for example, the number of lenses in the second lens group 2 may be one, three, or other number.

In the present embodiment, as shown in fig. 1 to 3, the third lens group 3 includes a fifth lens 31, a sixth lens 32, a third inner barrel 33 and an infrared filter 7. In the third lens group 3, the fifth lens 31, the sixth lens 32 and the ir-filter 7 are sequentially arranged from the object side to the image side and fixed in the third inner barrel 33, and the fifth lens 31 and the sixth lens 32 are aspheric lenses respectively. In the present embodiment, the third lens group 3 includes two lenses, and in other embodiments, the number of lenses in the third lens group 3 is not limited to two, for example, the number of lenses in the third lens group 3 may be one, three, or other number.

In the present embodiment, since the lenses in the first lens group 1, the second lens group 2, and the third lens group 3 are all aspherical lenses, the thickness of the imaging lens can be reduced.

In the present embodiment, as shown in fig. 1 to 3, the outer diameter of the first lens group 1 is the same as the outer diameter of the second lens group 2, the outer diameter of the third lens group 3 is smaller than the outer diameter of the second lens group 2, and the outer wall of the third inner barrel 33 is closer to the optical axis 9 than the inner wall of the second inner barrel 23.

In the present embodiment, as shown in fig. 1 to 3, the optical axis 9 passes through the first outer barrel 5 and the second outer barrel 6, and the optical axis 9 may coincide with a central axis of the first outer barrel 5 and a central axis of the second outer barrel 6, respectively. The outer wall of the first inner barrel 13 is closer to the optical axis 9 than the inner wall of the first outer barrel 5. The outer wall of the first inner barrel 13 is a side wall of the first inner barrel 13 far away from the optical axis 9, and the inner wall of the first outer barrel 5 is a side wall of the first outer barrel 5 near the optical axis 9.

In the present embodiment, as shown in fig. 1 to 3, the outer wall of the first outer barrel 5 is closer to the optical axis 9 than the inner wall of the second outer barrel 6. The outer wall of the first outer barrel 5 is a side wall of the first outer barrel 5 far from the optical axis 9, and the inner wall of the second outer barrel 6 is a side wall of the second outer barrel 6 near the optical axis 9.

In the present embodiment, as shown in fig. 1 to 3, the outer wall of the second inner barrel 23 is closer to the optical axis 9 than the inner wall of the first outer barrel 5. The outer wall of the second inner barrel 23 is a side wall of the second inner barrel 23 away from the optical axis 9.

In the present embodiment, as shown in fig. 1 to 3, the outer wall of the third inner barrel 33 is closer to the optical axis 9 than the inner wall of the first outer barrel 5. The outer wall of the third inner barrel 33 is a side wall of the third inner barrel 33 far from the optical axis 9.

In this embodiment, the first outer barrel 5 is movably connected to the second outer barrel 6, the first inner barrel 13 is movably connected to the second outer barrel 6, the second inner barrel 23 is movably connected to the first outer barrel 5, and the third inner barrel 33 is movably connected to the first outer barrel 5.

In the present embodiment, a first guide rail is disposed on an outer wall of the first inner barrel 13, a second guide rail is disposed on an inner wall of the second outer barrel 6, a first end of the first slider 61 is engaged with the first guide rail, and the first driving mechanism is configured to drive the first slider to move along the first guide rail, for example, the first driving mechanism can drive the first slider 61 to move towards the image side or towards the object side along the first guide rail. The second end of the first slider 61 is engaged with the second guide rail, and the second driving mechanism is configured to drive the first slider to move along the second guide rail, for example, the second driving mechanism can drive the first slider 61 to move along the second guide rail toward the image side or toward the object side.

In this embodiment, the first guide rail and the second guide rail may be groove-shaped guide rails, and the first slider 61 may be a slider. Of course, the first guide rail and the second guide rail may also be convex guide rails, the first end of the first slider 61 is provided with a first groove matched with the first guide rail, and the convex portion of the first guide rail is located in the first groove. The second end of the first slider 61 is provided with a second groove that fits with the second guide rail, and the convex portion of the second guide rail is located in the second groove.

In this embodiment, the first driving mechanism and the second driving mechanism are piezoelectric ceramic motors. The first driving mechanism may control a first moving distance of the first slider 61 along the first guide rail by controlling a first voltage value, and the second driving mechanism may control a second moving distance of the first slider 61 along the second guide rail by controlling a second voltage value.

In this embodiment, the first slider 61 can move the first lens group 1 relative to the second outer barrel 6 under the driving of the first driving mechanism and the second driving mechanism, and the first driving mechanism and the second driving mechanism can control the relative position of the first lens group 1 and the second outer barrel 6 by the first voltage value and the second voltage value.

In the present embodiment, the outer wall of the second inner barrel 23 is provided with a third guide rail, the inner wall of the first outer barrel 5 is provided with a fourth guide rail, the first end of the second slider 52 is matched with the third guide rail, and the third driving mechanism is configured to drive the second slider to move along the third guide rail, for example, the third driving mechanism can drive the second slider to move along the third guide rail toward the image side or toward the object side. The second end of the second slider 52 is engaged with the fourth guide rail, and the fourth driving mechanism is configured to drive the second slider 52 to move along the fourth guide rail, for example, the fourth driving mechanism can drive the second slider 52 to move along the fourth guide rail toward the image side or toward the object side.

In this embodiment, the third and fourth guide rails may be groove-type guide rails, and the second slider 52 may be a slider. Of course, the third guide rail and the fourth guide rail may also be convex guide rails, the first end of the second slider 52 is provided with a third groove matched with the third guide rail, and the convex portion of the third guide rail is located in the third groove. The second end of the second slider 52 is provided with a fourth groove that fits with a fourth guide rail, and a convex portion of the fourth guide rail is located in the fourth groove.

In this embodiment, the third driving mechanism and the fourth driving mechanism are piezoelectric ceramic motors. The third driving mechanism may control a third moving distance of the second slider 52 along the third guide rail by controlling a third voltage value, and the fourth driving mechanism may control a fourth moving distance of the second slider 52 along the fourth guide rail by controlling a fourth voltage value.

In the present embodiment, the second slider 52 can move the second lens group 2 relative to the first outer barrel 5 under the driving of the third driving mechanism and the fourth driving mechanism, and the third driving mechanism and the fourth driving mechanism can control the relative position of the second lens group 2 and the first outer barrel 5 through the third voltage value and the fourth voltage value.

In this embodiment, a fifth guide rail is disposed on an outer wall of the third inner barrel 33, a first end of the third slider 53 is engaged with the fifth guide rail, and a fifth driving mechanism is configured to drive the third slider 53 to move along the fifth guide rail, for example, the fifth driving mechanism can drive the third slider 53 to move towards the image side or towards the object side along the fifth guide rail. The second end of the third slider 53 is engaged with the fourth guide rail, and the sixth driving mechanism is configured to drive the third slider 53 to move along the fourth guide rail, for example, the sixth driving mechanism can drive the third slider 53 to move along the fourth guide rail toward the image side or toward the object side.

In this embodiment, the fifth guide rail may be a groove-type guide rail, and the third slider 53 may be a slider. Of course, the fifth guide rail may also be a convex rail, and the first end of the third slider 53 is provided with a fifth groove matched with the fifth guide rail, and the convex part of the fifth guide rail is located in the fifth groove. The second end of the third slider 53 is provided with a sixth groove that fits the fourth guide rail, and the convex portion of the fourth guide rail is located in the sixth groove.

In this embodiment, the fifth driving mechanism and the sixth driving mechanism are piezoelectric ceramic motors. The fifth driving mechanism may control a fifth moving distance of the third slider 53 along the fifth guide rail by controlling a fifth voltage value, and the sixth driving mechanism may control a sixth moving distance of the third slider 53 along the fourth guide rail by controlling a sixth voltage value.

In the present embodiment, the third slider 53 is capable of moving the third lens group 3 relative to the first outer barrel 5 under the driving of the fifth driving mechanism and the sixth driving mechanism, and the fifth driving mechanism and the sixth driving mechanism can control the relative position of the third lens group 3 and the first outer barrel 5 through the fifth voltage value and the sixth voltage value.

In this embodiment, one guide rail, i.e., a fourth guide rail, is disposed on the inner wall of the first outer barrel 5, and the second slider 52 and the third slider 53 may share the fourth guide rail. In other embodiments, two guide rails may be disposed on the inner wall of the first outer barrel 5, and one guide rail may be used for the second slider 52 and the third slider 53, respectively.

In this embodiment, a sixth guide rail is provided on an outer wall of the first outer barrel 5, a first end of the fourth slider 56 is engaged with the sixth guide rail, and the seventh driving mechanism is configured to drive the fourth slider 56 to move along the sixth guide rail. For example, the seventh driving mechanism can drive the fourth slider 56 to move toward the image side or toward the object side along the sixth guide rail. A second end of the fourth slider 56 is engaged with the second rail, and an eighth driving mechanism is configured to drive the fourth slider 56 to move along the second rail. For example, the eighth drive mechanism can drive the fourth slider 56 to move along the second guide rail toward the image side or toward the object side.

In this embodiment, the sixth guide rail may be a groove-type guide rail, and the fourth slider 56 may be a slider. Of course, the sixth guide rail may also be a convex rail, and the first end of the fourth slider 56 is provided with a seventh groove matched with the sixth guide rail, and the convex part of the sixth guide rail is located in the seventh groove. The second end of the fourth slider 56 is provided with an eighth groove that fits the second guide rail, and the convex portion of the second guide rail is located in the eighth groove.

In this embodiment, the seventh driving mechanism and the eighth driving mechanism are piezoelectric ceramic motors. The seventh driving mechanism may control a seventh moving distance of the fourth slider 56 along the sixth guide rail by controlling a seventh voltage value, and the eighth driving mechanism may control an eighth moving distance of the fourth slider 56 along the second guide rail by controlling an eighth voltage value.

In the present embodiment, the fourth slider 56 can move the first outer barrel 5 relative to the second outer barrel 6 by the seventh driving mechanism and the eighth driving mechanism, and the seventh driving mechanism and the eighth driving mechanism can control the relative position of the first outer barrel 5 and the second outer barrel 6 by the seventh voltage value and the eighth voltage value.

In the present embodiment, the ninth driving mechanism 4 is movably connected to the third lens group 3, and the ninth driving mechanism 4 is configured to drive the first lens group 1, the second lens group 2, and the third lens group 3 to move toward the image side or toward the object side along the optical axis of the third lens group 3. For example, the ninth driving mechanism 4 can directly drive the third lens group 3 to move toward the object side along the optical axis 9, and since the first lens group 1 is movably connected to the third lens group 3 through the first slider 61, the second outer barrel 6, the fourth slider 56, the first outer barrel 5, and the third slider 53, the ninth driving mechanism 4 indirectly drives the first lens group 1 to move toward the object side along the optical axis 9 when driving the third lens group 3 to move toward the object side along the optical axis 9. Since the second lens group 2 is movably connected to the third lens group 3 through the second slider 52, the first outer barrel 5, and the third slider 53, the ninth driving mechanism 4 indirectly drives the second lens group 2 to move toward the object side along the optical axis 9 when driving the third lens group 3 to move toward the object side along the optical axis 9.

In this embodiment, the ninth driving mechanism 4 is a voice coil motor, and can finely adjust the positions of the first lens group 1, the second lens group 2, and the third lens group 3. The ninth driving mechanism 4 may control a ninth moving distance of the first lens group 1, the second lens group 2, and the third lens group 3 along the optical axis 9 by a current value.

It should be noted that, during focusing or zooming, the movement amplitude of the third lens group 3 is smaller than that of the first lens group 1, and the movement amplitude of the third lens group 3 is also smaller than that of the second lens group 2. That is, the position of the third lens group 3 may be finely adjusted during focusing or zooming.

In this embodiment, as shown in fig. 1, when the image pickup lens is in a non-imaging state, the first lens group 1 may be moved toward the image side along the optical axis 9, the second lens group 2 may be moved toward the image side along the optical axis 9, the third lens group 3 may be moved toward the image side along the optical axis 9, and the second outer barrel 6 may be moved toward the image side relative to the first outer barrel 5 along the optical axis 9, so that the first lens group 1, the second lens group 2, the third lens group 3, the first outer barrel 5, and the second outer barrel 6 are tightly gathered together, that is, the first lens group 1, the second lens group 2, and the third lens group 3 may be tightly gathered together through the first guide rail, the second guide rail, the third guide rail, the fourth guide rail, the fifth guide rail, and the sixth guide rail, so that the thickness of the image pickup lens in the non-imaging state is reduced, and the image pickup lens may be conveniently integrated in an electronic device. A gap may exist between two adjacent lens groups of the first lens group 1, the second lens group 2, and the third lens group 3 along the optical axis 9.

In this embodiment, as shown in fig. 2 to 3, when the imaging lens is in an imaging state, or when focusing or zooming, the first lens group 1, the second lens group 2, and the third lens group 3 are driven by the corresponding driving mechanisms to move to predetermined positions along the optical axis 9 toward the object side. For example, fig. 2 shows an imaging state in which the imaging lens is in 3-fold optical zoom, and fig. 3 shows an imaging state in which the imaging lens is in 5-fold optical zoom. When the imaging lens is in an imaging state, the image sensor 8 is located at an image plane of the imaging lens.

In the present embodiment, the image sensor 8 is fixed to an end of the ninth drive mechanism 4 facing the image side.

In this embodiment, as shown in fig. 1, when the image pickup apparatus is in a non-imaging state, the thickness of the image pickup apparatus along the optical axis 9 may be 9.318 mm, which is relatively small, and it may be convenient to integrate the image pickup apparatus in an electronic device.

The embodiment of the disclosure further provides a camera lens, which is used by the camera device in any one of the embodiments.

The embodiment of the disclosure also provides an electronic device. The electronic device may be a mobile terminal such as a smart phone, a camera, or a tablet computer, but is not limited thereto. The electronic equipment comprises an equipment body and the camera device of any one of the embodiments.

In this embodiment, the apparatus body includes a mounting hole in which the image pickup device is fitted. When the image pickup device is in a non-imaging state, a surface of the image pickup device facing the object side is substantially flush with a surface of the apparatus body facing the object side. For example, the surface of the image capturing device facing the object side may protrude from the surface of the apparatus body facing the object side, the surface of the image capturing device facing the object side may be flush with the surface of the apparatus body facing the object side, the surface of the image capturing device facing the object side is recessed from the surface of the apparatus body facing the object side, and the distance between the surface of the image capturing device facing the object side and the surface of the apparatus body facing the object side along the optical axis 9 is small.

In this embodiment, the electronic apparatus further includes a processor and a memory, and the memory may store, in advance, relative position information of the ninth driving mechanism 4 and the third lens group 3, relative position information of the third slider 53 and the first outer barrel 5, relative position information of the second slider 52 and the second lens group 2, relative position information of the second slider 52 and the first outer barrel 5, relative position information of the fourth slider 56 and the second outer barrel 6, relative position information of the first slider 61 and the first lens group 1, and relative position information of the first slider 61 and the second outer barrel 6 of the image pickup device in each state. Therefore, when the electronic equipment receives a control instruction for controlling the state of the camera device, the corresponding information can be read from the memory according to the control instruction, so that the state of the camera device can be controlled quickly, and the control efficiency is improved.

For example, the memory may store the relative position information of the ninth driving mechanism 4 and the third lens group 3, the relative position information of the third slider 53 and the first outer barrel 5, the relative position information of the second slider 52 and the second lens group 2, the relative position information of the second slider 52 and the first outer barrel 5, the relative position information of the fourth slider 56 and the second outer barrel 6, the relative position information of the first slider 61 and the first lens group 1, and the relative position information of the first slider 61 and the second outer barrel 6 in the imaging state of the imaging device in the non-imaging state, the imaging state of 3 times optical zoom, and the imaging state of 5 times optical zoom in advance, so that when the processor receives the control command, the corresponding relative position information of the ninth driving mechanism 4 and the third lens group 3, the relative position information of the third slider 53 and the first outer barrel 5, the relative position information of the second slider 52 and the second lens group 2, the relative position information of the second slider 52 and the first outer barrel 5, the relative position information of the fourth slider 56 and the second outer barrel 6, the relative position information of the first slider 61 and the first lens group 1, and the relative position information of the first slider 61 and the second outer barrel 6 are read from the memory according to the control command, and controls the first driving mechanism, the second driving mechanism, the third driving mechanism, the fourth driving mechanism, the fifth driving mechanism, the sixth driving mechanism, the seventh driving mechanism, the eighth driving mechanism and the ninth driving mechanism 4 are used for enabling the image storage and pickup device to be in a corresponding state. The control instruction comprises a state identifier of the camera device, wherein the state identifier is an identifier of a non-imaging state, an identifier of an imaging state of 3 times optical zooming or an identifier of an imaging state of 5 times optical zooming.

In this embodiment, when the imaging apparatus is in the non-imaging state, the relative position information between the ninth driving mechanism 4 and the third lens group 3 is P04, the relative position information between the third slider 53 and the third lens group 3 is P053i, the relative position information between the third slider 53 and the first outer barrel 5 is P053o, the relative position information between the second slider 52 and the second lens group 2 is P052i, the relative position information between the second slider 52 and the first outer barrel 5 is P052o, the relative position information between the fourth slider 56 and the first outer barrel 5 is P056i, the relative position information between the fourth slider 56 and the second outer barrel 6 is P056o, the relative position information between the first slider 61 and the first lens group 1 is P061i, and the relative position information between the first slider 61 and the second outer barrel 6 is P061o.

In the present embodiment, when the imaging apparatus is in the 3-fold optical zoom imaging state, the relative position information between the ninth drive mechanism 4 and the third lens group 3 is P34, the relative position information between the third slider 53 and the third lens group 3 is P353i, the relative position information between the third slider 53 and the first outer barrel 5 is P353o, the relative position information between the second slider 52 and the second lens group 2 is P352i, the relative position information between the second slider 52 and the first outer barrel 5 is P352o, the relative position information between the fourth slider 56 and the first outer barrel 5 is P356i, the relative position information between the fourth slider 56 and the second outer barrel 6 is P356o, the relative position information between the first slider 61 and the first lens group 1 is P361i, and the relative position information between the first slider 61 and the second outer barrel 6 is P361o.

In this embodiment, when the imaging apparatus is in the imaging state of 5 times optical zoom, the relative position information between the ninth driving mechanism 4 and the third lens group 3 is P54, the relative position information between the third slider 53 and the third lens group 3 is P553i, the relative position information between the third slider 53 and the first outer barrel 5 is P553o, the relative position information between the second slider 52 and the second lens group 2 is P552i, the relative position information between the second slider 52 and the first outer barrel 5 is P552o, the relative position information between the fourth slider 56 and the first outer barrel 5 is P556i, the relative position information between the fourth slider 56 and the second outer barrel 6 is P556o, the relative position information between the first slider 61 and the first lens group 1 is P561i, and the relative position information between the first slider 61 and the second outer barrel 6 is P561o.

When the processor receives a first control instruction for controlling the image pickup apparatus to be in a non-imaging state, the processor reads P04, P053i, P053o, P052i, P052o, P056i, P056o, P061i and P061o from the memory according to the first control instruction, and controls the ninth drive mechanism 4, the fifth drive mechanism, the sixth drive mechanism, the third drive mechanism, the fourth drive mechanism, the seventh drive mechanism, the eighth drive mechanism, the first drive mechanism, the second drive mechanism to drive the third lens group 3, the first slide mover 61, the second slide mover 52, the third slide mover 53 and the fourth slide mover 56 respectively according to the read P04, P053i, P053o, P052i, P052o, P056i, P056o and P061o until the image pickup apparatus is in the non-imaging state.

When the processor receives a second control instruction for controlling the imaging device to be in the imaging state of 3 times optical zoom, the processor reads P34, P353i, P353o, P352i, P352o, P356i, P356o, P361i, and P361o from the memory according to the second control instruction, and controls the ninth drive mechanism 4, the fifth drive mechanism, the sixth drive mechanism, the third drive mechanism, the fourth drive mechanism, the seventh drive mechanism, the eighth drive mechanism, the first drive mechanism, and the second drive mechanism to drive the third lens group 3, the first slider 61, the second slider 52, the third slider 53, and the fourth slider 56 according to the read P34, P353i, P353o, P352i, P352o, P356i, P361i, and P361o, respectively, until the imaging device is in the imaging state of 3 times optical zoom.

When the processor receives a third control instruction for controlling the image pickup apparatus to be in an imaging state of 5 times optical zoom, the processor reads P54, P553i, P553o, P552i, P552o, P556i, P556o, P561i, and P561o from the memory according to the third control instruction, and controls the ninth drive mechanism 4, the fifth drive mechanism, the sixth drive mechanism, the third drive mechanism, the fourth drive mechanism, the seventh drive mechanism, the eighth drive mechanism, the first drive mechanism, and the second drive mechanism to drive the third lens group 3, the first slider 61, the second slider 52, the third slider 53, and the fourth slider 56 according to the read P54, P553i, P553o, P553i, P552o, P556i, P561i, and P561o, respectively, until the image pickup apparatus is in the imaging state of 5 times optical zoom.

The above description has been given by taking an example in which the imaging state includes an imaging state of 3 times optical zoom and an imaging state of 5 times optical zoom, but of course, the imaging state of the imaging apparatus may also include an imaging state of 3.5 times optical zoom, an imaging state of 4 times optical zoom, and other imaging states of different zoom magnifications.

When the image pickup apparatus is in the imaging state and the electronic device receives a first control instruction for switching the image pickup apparatus to the non-imaging state, for example, from the imaging state of the 5-fold optical zoom to the non-imaging state, it is possible to realize switching by controlling the ninth drive mechanism 4, the first slider mover 61, the second slider mover 52, the third slider mover 53, and the fourth slider mover 56. The specific implementation process is as follows:

first, the ninth drive mechanism 4 is controlled to return to the corresponding position according to P04.

Then, the relative position of the third slider 53 and the third lens group 3 is controlled to be restored to the corresponding position according to P053i, and the relative position of the third slider 53 and the first outer barrel 5 is controlled to be restored to the corresponding position according to P053 o.

Next, the relative position of the second slider 52 and the second lens group 2 is controlled to be restored to the corresponding position according to P052i, and the relative position of the second slider 52 and the first outer barrel 5 is controlled to be restored to the corresponding position according to P052 o.

Next, the relative position of the fourth slider 56 and the first outer barrel 5 is controlled to be restored to the corresponding position according to P056i, and the relative position of the fourth slider 56 and the second outer barrel 6 is controlled to be restored to the corresponding position according to P056 o.

Finally, the relative position of the first slider 61 and the first lens group 1 is controlled to be restored to the corresponding position according to P061i, and the relative position of the first slider 61 and the second outer barrel 6 is controlled to be restored to the corresponding position according to P061o. Thus, the image pickup apparatus is switched to the non-imaging state.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (12)

1. An imaging lens, comprising: the lens barrel comprises a first lens group, a second lens group, a third lens group, a first outer lens barrel and a second outer lens barrel;

the first lens group, the second lens group and the third lens group are sequentially arranged from the object side to the image side along an optical axis;

the first lens group comprises a first inner lens barrel and M lenses, wherein the M lenses are sequentially arranged from an object side to an image side and fixed in the first inner lens barrel, the M lenses are aspheric lenses, and M is a positive integer; the second lens group comprises a second inner lens cone and N lenses, wherein the N lenses are sequentially arranged from an object side to an image side and fixed in the second inner lens cone, the N lenses are aspheric lenses, and N is a positive integer; the third lens group comprises a third inner lens cone and L lenses, wherein the L lenses are sequentially arranged from the object side to the image side and fixed in the third inner lens cone, the L lenses are aspheric lenses, and L is a positive integer;

the optical axis passes through the first outer barrel and the second outer barrel; the outer wall of the first inner barrel is closer to the optical axis than the inner wall of the first outer barrel, and the outer wall of the first outer barrel is closer to the optical axis than the inner wall of the second outer barrel; the outer wall of the second inner barrel is closer to the optical axis than the inner wall of the first outer barrel; the outer wall of the third inner barrel is closer to the optical axis than the inner wall of the first outer barrel; the first outer lens cone is movably connected with the second outer lens cone, the first inner lens cone is movably connected with the second outer lens cone, the second inner lens cone is movably connected with the first outer lens cone, and the third inner lens cone is movably connected with the first outer lens cone;

the first lens group is movable relative to the second outer barrel, the second lens group is movable relative to the first outer barrel, the third lens group is movable relative to the first outer barrel, and the second outer barrel is movable relative to the first outer barrel upon focusing or zooming.

2. The imaging lens according to claim 1, further comprising a first slider, a first driving mechanism, and a second driving mechanism;

a first guide rail is arranged on the outer wall of the first inner lens barrel, a second guide rail is arranged on the inner wall of the second outer lens barrel, a first end of the first slider is matched with the first guide rail, the first driving mechanism is configured to drive the first slider to move along the first guide rail, a second end of the first slider is matched with the second guide rail, and the second driving mechanism is configured to drive the first slider to move along the second guide rail;

the first driving mechanism and the second driving mechanism are piezoelectric ceramic motors.

3. The imaging lens according to claim 2, further comprising a second slider, a third driving mechanism, and a fourth driving mechanism;

a third guide rail is arranged on the outer wall of the second inner lens barrel, a fourth guide rail is arranged on the inner wall of the first outer lens barrel, a first end of the second slider is matched with the third guide rail, the third driving mechanism is configured to drive the second slider to move along the third guide rail, a second end of the second slider is matched with the fourth guide rail, and the fourth driving mechanism is configured to drive the second slider to move along the fourth guide rail;

the third driving mechanism and the fourth driving mechanism are piezoelectric ceramic motors.

4. The imaging lens of claim 3, further comprising a third slider, a fifth drive mechanism, and a sixth drive mechanism;

a fifth guide rail is arranged on the outer wall of the third inner lens barrel, a first end of the third slider is matched with the fifth guide rail, the fifth driving mechanism is configured to drive the third slider to move along the fifth guide rail, a second end of the third slider is matched with the fourth guide rail, and the sixth driving mechanism is configured to drive the third slider to move along the fourth guide rail;

the fifth driving mechanism and the sixth driving mechanism are piezoelectric ceramic motors.

5. The imaging lens according to claim 4, further comprising a fourth slider, a seventh driving mechanism, and an eighth driving mechanism;

a sixth guide rail is arranged on the outer wall of the first outer lens barrel, a first end of the fourth slider is matched with the sixth guide rail, the seventh driving mechanism is configured to drive the fourth slider to move along the sixth guide rail, a second end of the fourth slider is matched with the second guide rail, and the eighth driving mechanism is configured to drive the fourth slider to move along the second guide rail;

the seventh driving mechanism and the eighth driving mechanism are piezoelectric ceramic motors.

6. The image-taking lens according to claim 1 or 5, further comprising a ninth driving mechanism that is movably connected to the third lens group, the ninth driving mechanism being configured to drive the first lens group, the second lens group, and the third lens group to move along an optical axis of the third lens group;

the ninth driving mechanism is a voice coil motor.

7. The imaging lens of claim 1, wherein M, N, L are each 2.

8. An image pickup lens according to claim 1, wherein a magnitude of movement of said third lens group is smaller than a magnitude of movement of said first lens group and/or a magnitude of movement of said third lens group is smaller than a magnitude of movement of said second lens group at the time of focusing or zooming.

9. The imaging lens according to claim 1, wherein the third lens group further includes an infrared filter; in the third lens group, the infrared filter is fixed in the third inner lens barrel and is positioned on one side of the L lenses facing the image side.

10. An image pickup apparatus comprising the image sensor and the image pickup lens described in any one of claims 1 to 9, the image sensor being located on a side of the image pickup lens facing an image side.

11. The image pickup apparatus according to claim 10, wherein when said image pickup lens further includes a ninth driving mechanism, said image sensor is fixed to an end of said ninth driving mechanism facing an image side.

12. An electronic apparatus comprising an apparatus body and the image pickup device according to any one of claims 10 to 11, wherein the apparatus body comprises a mounting hole, and the image pickup device is fitted in the mounting hole;

when the image pickup device is in a non-imaging state, a surface of the image pickup device facing the object side is substantially flush with a surface of the apparatus body facing the object side.

Images