Camera module and electronic device

Abstract

The utility model discloses a camera module and an electronic device, and the camera module is used for improving the imaging quality. The lens assembly comprises a lens base, a lens, a guide part and a driving part, the guide part is connected with the mounting base and extends in the optical axis direction of the lens, the lens base and the guide part are slidably connected in the optical axis direction of the lens, the lens is mounted on the lens base, and the driving part is arranged on the mounting base, connected with the lens base and used for driving the lens base to slide; the protection assembly comprises a supporting seat, a light-transmitting part and an elastic part, the supporting seat and the lens seat are in sliding connection in the optical axis direction of the lens, the supporting seat is provided with a light-transmitting hole and a mounting groove, the light-transmitting hole penetrates through the supporting seat in the optical axis direction of the lens, the lens is contained in the light-transmitting hole, and the mounting groove is formed in the side, away from the lens seat, of the supporting seat and communicates with the light-transmitting hole; the light-transmitting part is mounted in the mounting groove, the guide part is sleeved with the elastic part, and the two ends of the elastic part abut against the lens base and the supporting base respectively; and the heating piece is arranged in the mounting groove, is positioned between the lens and the light-transmitting piece and is used for heating the light-transmitting piece.

Description

Technical Field

[0001] The utility model relates to the technical field of imaging devices, and in particular to a camera module and an electronic device. Background Art

[0002] When the camera module is applied to electronic devices such as drones and surveillance cameras, a transparent glass is generally installed at the light inlet of the lens assembly in the camera module, and a voice coil motor is generally used in the camera module to drive the lens to move along the optical axis of the lens to achieve focusing. However, the above-mentioned camera module is often in an active state and the temperature difference in the environment is large. The camera module will shake during the focusing process, and water vapor will be generated on the transparent glass, which reduces the imaging quality of the camera module. Utility Model Content

[0003] In view of the above, it is necessary to provide a camera module and an electronic device to improve the imaging quality.

[0004] The present invention provides a camera module, comprising:

[0005] Mounting seat;

[0006] A lens assembly, comprising a lens seat, a lens, a guide member and a driving member, wherein the guide member is connected to the mounting seat and extends along the optical axis direction of the lens, the lens seat and the guide member are slidably connected along the optical axis direction of the lens, the lens is mounted on the lens seat, and the driving member is provided on the mounting seat and connected to the lens seat, and is used to drive the lens seat to slide along the guide member;

[0007] A protection component, comprising a support seat, a light-transmitting member and an elastic member, wherein the support seat is slidably connected with the lens seat along the optical axis direction of the lens, the support seat is provided with a light-through hole and a mounting groove, the light-through hole penetrates the support seat along the optical axis direction of the lens, the lens is received in the light-through hole, the mounting groove is provided on a side of the support seat away from the lens seat and communicates with the light-through hole, the light-transmitting member is installed in the mounting groove, the elastic member is sleeved on the guide member, and two ends of the elastic member are respectively abutted against the lens seat and the support seat;

[0008] A heating element is arranged in the mounting groove and located between the lens and the light-transmitting element, and is used for heating the light-transmitting element.

[0009] In the above-mentioned camera module, the driving member can drive the lens holder to drive the lens as a whole to move along the guide member, and the two ends of the elastic member always respectively abut the lens holder and the support seat, which can prevent the lens from shaking during the movement, thereby improving the focusing accuracy of the camera module. In addition, the heating member can heat the light-transmitting member to adjust the temperature of the light-transmitting member, reduce the temperature difference between the light-transmitting member and the environment in which the camera module is located, and thus remove the water vapor generated on the light-transmitting member. Therefore, the above-mentioned camera module can remove the water vapor generated on the light-transmitting member while improving the focusing accuracy, thereby improving the imaging quality of the camera module.

[0010] In some embodiments, the support base comprises:

[0011] The support member comprises a support body and a mounting body, the light through hole penetrates the mounting body, the mounting groove is arranged on a side of the mounting body away from the mirror seat, and the support body is connected to the mounting body and arranged along the circumference of the mounting body;

[0012] The fastener comprises a movable rod and a stopper, wherein the movable rod is movably arranged in the support body along the optical axis direction of the lens, and the two ends of the movable rod are respectively connected to the lens seat and the stopper, and the stopper is used to stop the support body in the optical axis direction of the lens.

[0013] Therefore, the movable rod and the support body form a penetrating structure, and the support body is stopped in the optical axis direction of the lens by the stopper, which has a simple structure and low manufacturing cost.

[0014] In some embodiments, a receiving groove is formed on a side of the mounting body facing the mirror base, and a portion of the elastic member is received in the receiving groove.

[0015] Therefore, the receiving groove can limit the elastic member in a direction perpendicular to the elastic force of the elastic member to reduce the swing of the elastic member, which is beneficial to improving the stability of the elastic force provided by the elastic member.

[0016] In some embodiments, the heating element comprises:

[0017] A heating body, installed in the installation groove and located between the lens and the light-transmitting member, the heating body being arranged around the circumference of the installation groove;

[0018] A conductor, one end of which is connected to the heating body, and the other end of which passes through the mirror seat and extends to the mounting seat, and the conductor is used to introduce current to heat the heating body.

[0019] Therefore, the heating body is arranged around the circumference of the mounting groove, which can provide heat to the light-transmitting member from the circumference of the light-transmitting member, which is conducive to improving the efficiency of adjusting the temperature of the light-transmitting member. In addition, the other end of the conductor passes through the lens seat and extends to the mounting seat, which is conducive to improving the convenience of connecting the conductor to the current.

[0020] In some embodiments, the camera module further includes:

[0021] The reinforcing member is arranged between the heating body and the light-transmitting member and is matched with the heating body.

[0022] Therefore, the reinforcing member can cooperate with the mounting groove to clamp the heating body, so as to enhance the strength of the heating body and avoid deformation of the heating body.

[0023] In some embodiments, the camera module further includes:

[0024] The adhesive member is disposed between the reinforcing member and the light-transmitting member and is matched with the reinforcing member. The adhesive member is used to fix the reinforcing member and the light-transmitting member.

[0025] Therefore, fixing the reinforcing member and the light-transmitting member by the adhesive member can improve the stability of the installation of the light-transmitting member.

[0026] In some embodiments, the camera module further includes:

[0027] A dustproof component is detachably connected to the mounting seat and covers the driving component.

[0028] Therefore, the dustproof part can prevent external dust from entering the mounting base and the lens, which is beneficial to improving the imaging quality of the camera module.

[0029] In some embodiments, the mounting seat is provided with a movable groove and a light-transmitting hole, the lens seat is received in the movable groove, the light-transmitting hole penetrates the bottom wall of the movable groove and is located in the optical axis direction of the lens.

[0030] Therefore, the lens holder is stored in the movable groove, which can prevent the collision of external components with the lens assembly, and is beneficial to improving the service life of the lens assembly.

[0031] In some embodiments, the camera module further includes:

[0032] The photosensitive component is connected to the mounting seat and is arranged on a side of the light-transmitting hole away from the lens seat, and is used for receiving light entering through the lens.

[0033] Therefore, the photosensitive component is arranged outside the mounting base, which is conducive to the rapid assembly of the camera module.

[0034] The present invention also provides an electronic device, including:

[0035] The camera module described in the above embodiment.

[0036] In the above electronic device, the driving member can drive the lens holder to drive the lens as a whole to move along the guide member, and the two ends of the elastic member always respectively abut the lens holder and the support seat, which can prevent the lens from shaking during the movement, thereby improving the focusing accuracy of the electronic device. In addition, the heating member can heat the light-transmitting member to adjust the temperature of the light-transmitting member, reduce the temperature difference between the light-transmitting member and the environment where the camera module is located, and thus remove the water vapor generated on the light-transmitting member. Therefore, the above electronic device can remove the water vapor generated on the light-transmitting member while improving the focusing accuracy, thereby improving the imaging quality of the electronic device. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a schematic structural diagram of a camera module according to an embodiment of the utility model.

[0038] Figure 2 for Figure 1 The exploded schematic diagram of the camera module shown.

[0039] Figure 3 for Figure 2 A schematic structural diagram of the support member shown.

[0040] Figure 4 Another structural schematic diagram of the camera module according to an embodiment of the utility model.

[0041] Main component symbols

[0042] Camera module 100

[0043] Mounting Block 110

[0044] Active slot 110a

[0045] Light transmission hole 110b

[0046] Lens assembly 120

[0047] Mirror mount 121

[0048] Lens 122

[0049] Guide 123

[0050] Driving member 124

[0051] Protection component 130

[0052] Support seat 131

[0053] Light hole 131a

[0054] Mounting groove 131b

[0055] Support 1311

[0056] Support body 1311a

[0057] Mounting body 1311b

[0058] Storage slot 1311c

[0059] Fastener 1312

[0060] Active rod 1312a

[0061] Stopper 1312b

[0062] Light-transmitting element 132

[0063] Elastic member 133

[0064] Heating element 140

[0065] Heating body 141

[0066] Conductor 142

[0067] Reinforcement 150

[0068] Adhesive 160

[0069] Dust protection parts 170

[0070] Photosensitive component 180

[0071] Housing 190

[0072] Accommodating groove 190a

[0073] Light entry hole 190b DETAILED DESCRIPTION

[0074] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0075] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or mutual communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0076] The following is a detailed description of various embodiments of the present invention in conjunction with the accompanying drawings.

[0077] See also Figure 1 and Figure 2 The embodiment of the utility model provides a camera module 100, including a mounting seat 110, a lens assembly 120, a protective assembly 130 and a heating element 140. The lens assembly 120 includes a lens seat 121, a lens 122, a guide member 123 and a driving member 124. The guide member 123 is connected to the mounting seat 110 and is extended along the optical axis direction of the lens 122. The lens seat 121 is slidably connected to the guide member 123 along the optical axis direction of the lens 122. The lens 122 is mounted on the lens seat 121. The driving member 124 is provided on the mounting seat 110 and connected to the lens seat 121, and is used to drive the lens seat 121 to slide along the guide member 123. The protection assembly 130 includes a support seat 131, a light-transmitting member 132 and an elastic member 133. The support seat 131 is slidably connected with the lens seat 121 along the optical axis direction of the lens 122. The support seat 131 is provided with a light-through hole 131a and a mounting groove 131b. The light-through hole 131a penetrates the support seat 131 along the optical axis direction of the lens 122. The lens 122 is received in the light-through hole 131a. The mounting groove 131b is provided on the side of the support seat 131 away from the lens seat 121 and communicates with the light-through hole 131a. The light-transmitting member 132 is installed in the mounting groove 131b. The elastic member 133 is sleeved on the guide member 123, and the two ends of the elastic member 133 are respectively abutted against the lens seat 121 and the support seat 131. The heating member 140 is provided in the mounting groove 131b and is located between the lens 122 and the light-transmitting member 132, and is used to heat the light-transmitting member 132. In this embodiment, the driving member 124 is a linear motor, and the elastic member 133 is a spring.

[0078] In the above-mentioned camera module 100, the driving member 124 can drive the lens holder 121 to drive the lens 122 to move as a whole along the guide member 123, and the two ends of the elastic member 133 always respectively abut the lens holder 121 and the support seat 131, which can prevent the lens 122 from shaking during the movement, thereby improving the focusing accuracy. In addition, the heating member 140 can heat the light-transmitting member 132 to adjust the temperature of the light-transmitting member 132, reduce the temperature difference between the light-transmitting member 132 and the environment in which the camera module 100 is located, and thus remove the water vapor generated on the light-transmitting member 132. Therefore, the above-mentioned camera module 100 can remove the water vapor generated on the light-transmitting member 132 while improving the focusing accuracy, thereby improving the imaging quality.

[0079] See also Figure 2In some embodiments, the support seat 131 includes a support member 1311 and a fastener 1312. The support member 1311 includes a support body 1311a and a mounting body 1311b, the light hole 131a penetrates the mounting body 1311b, the mounting groove 131b is arranged on the side of the mounting body 1311b away from the lens seat 121, the support body 1311a is connected to the mounting body 1311b and is arranged along the circumference of the mounting body 1311b, the fastener 1312 includes a movable rod 1312a and a stopper 1312b, the movable rod 1312a is movably arranged on the support body 1311a along the optical axis direction of the lens 122, the two ends of the movable rod 1312a are respectively connected to the lens seat 121 and the stopper 1312b, and the stopper 1312b is used to stop the support body 1311a in the optical axis direction of the lens 122.

[0080] In this embodiment, the fastener 1312 is a bolt, wherein the movable rod 1312a is the screw portion of the bolt, and the stopper 1312b is the head of the bolt. Further, there are multiple fasteners 1312, and the multiple fasteners 1312 are arranged along the circumference of the support body 1311a to improve the stability of the fixed support seat 131.

[0081] Therefore, the movable rod 1312a and the support body 1311a form a penetrating structure, and the support body 1311a is stopped in the optical axis direction of the lens 122 by the stopper 1312b, which has a simple structure and low manufacturing cost.

[0082] See also Figure 2 and Figure 3 In some embodiments, a receiving groove 1311c is formed on one side of the mounting body 1311b facing the mirror base 121, and a part of the structure of the elastic member 133 is received in the receiving groove 1311c.

[0083] Therefore, the receiving groove 1311 c can limit the elastic member 133 in a direction perpendicular to the elastic force of the elastic member 133 to reduce the swing of the elastic member 133 , which is beneficial to improving the stability of the elastic force provided by the elastic member 133 .

[0084] See also Figure 2 In some embodiments, the heating element 140 includes a substantially annular heating body 141 and a strip-shaped conductor 142. The heating body 141 is installed in the mounting groove 131b and is located between the lens 122 and the light-transmitting member 132. The heating body 141 is arranged around the circumference of the mounting groove 131b. One end of the conductor 142 is connected to the heating body 141, and the other end of the conductor 142 passes through the lens seat 121 and extends to the mounting seat 110. The conductor 142 is used to introduce current to heat up the heating body 141.

[0085] In this embodiment, the heating body 141 is flexible and contains at least one of a heating resistor, a heating wire, and a ceramic heating sheet, so that the heating body 141 can be easily bent and formed while having a heating function.

[0086] Therefore, the heating body 141 is arranged around the circumference of the mounting groove 131b, and can provide heat to the light-transmitting member 132 from the circumference of the light-transmitting member 132, which is conducive to improving the efficiency of adjusting the temperature of the light-transmitting member 132. In addition, the other end of the conductor 142 passes through the lens base 121 and extends to the mounting base 110, which is conducive to improving the convenience of connecting the conductor 142 to the current.

[0087] See also Figure 2 In some embodiments, the camera module 100 further includes a reinforcing member 150. The reinforcing member 150 is disposed between the heating body 141 and the light-transmitting member 132, and is adapted to the heating body 141. In this embodiment, the reinforcing member 150 is a metal sheet and is substantially annular.

[0088] Therefore, the reinforcing member 150 can cooperate with the mounting groove 131b to clamp the heating body 141 to enhance the strength of the heating body 141, thereby preventing the heating body 141 from deforming. In addition, the reinforcing member 150 made of metal can quickly transfer the heat generated by the heating body 141 to the light-transmitting member 132.

[0089] In some embodiments, the camera module 100 further includes an adhesive member 160. The adhesive member 160 is disposed between the reinforcing member 150 and the light-transmitting member 132 and is matched with the reinforcing member 150. The adhesive member 160 is used to fix the reinforcing member 150 and the light-transmitting member 132. In this embodiment, the adhesive member 160 is cured glue.

[0090] Therefore, the adhesive member 160 fixing the reinforcing member 150 and the light-transmitting member 132 can improve the installation stability of the light-transmitting member 132 .

[0091] In some embodiments, the camera module 100 further includes a dustproof member 170. The dustproof member 170 is detachably connected to the mounting base 110 and covers the driving member 124. In this embodiment, the dustproof member 170 is a dustproof Mylar.

[0092] Therefore, the dustproof member 170 can prevent external dust from entering the mounting base 110 and the lens 122 , which is beneficial to improving the imaging quality of the camera module 100 .

[0093] See also Figure 2 In some embodiments, the mounting base 110 is provided with an active groove 110a and a light-transmitting hole 110b, the lens base 121 is received in the active groove 110a, the light-transmitting hole 110b penetrates the bottom wall of the active groove 110a, and is located in the optical axis direction of the lens 122.

[0094] Therefore, the lens holder 121 is received in the movable groove 110 a, which can prevent the lens assembly 120 from being hit by external components, thereby improving the service life of the lens assembly 120 .

[0095] In some embodiments, the camera module 100 further includes a photosensitive component 180 . The photosensitive component 180 is connected to the mounting base 110 and is disposed on a side of the light-transmitting hole 110 b away from the lens base 121 , and is used to receive light entering through the lens 122 .

[0096] Therefore, the photosensitive component 180 is disposed outside the mounting base 110 , which is beneficial to the rapid assembly of the camera module 100 .

[0097] See also Figure 4 In some embodiments, the camera module 100 further includes a housing 190. The housing 190 is provided with a communicating receiving groove 190a and a light entrance hole 190b. The mounting seat 110, the lens assembly 120, the protective assembly 130, the heating element 140, the reinforcing element 150, the adhesive element 160, the dustproof element 170 and the photosensitive element 180 in the camera module 100 are all received in the receiving groove 190a, and the light-transmitting element 132 is arranged opposite to the light entrance hole 190b.

[0098] The present invention also provides an electronic device (not shown), comprising the camera module 100 of the above embodiment. The electronic device may be a drone, a surveillance camera, etc.

[0099] In the above electronic device, the driving member 124 can drive the lens holder 121 to drive the lens 122 to move along the guide member 123, and the two ends of the elastic member 133 always respectively abut the lens holder 121 and the support seat 131, which can prevent the lens 122 from shaking during the movement, thereby improving the focusing accuracy of the electronic device. In addition, the heating member 140 can heat the light-transmitting member 132 to adjust the temperature of the light-transmitting member 132, reduce the temperature difference between the light-transmitting member 132 and the environment where the camera module 100 is located, and thus remove the water vapor generated on the light-transmitting member 132. Therefore, the above electronic device can remove the water vapor generated on the light-transmitting member 132 while improving the focusing accuracy, thereby improving the imaging quality of the electronic device.

[0100] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

[0101] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model.

Claims

1. A camera module, characterized in that: include: Mounting seat; A lens assembly, comprising a lens seat, a lens, a guide member and a driving member, wherein the guide member is connected to the mounting seat and extends along the optical axis direction of the lens, the lens seat and the guide member are slidably connected along the optical axis direction of the lens, the lens is mounted on the lens seat, and the driving member is provided on the mounting seat and connected to the lens seat, and is used to drive the lens seat to slide along the guide member; A protection component, comprising a support seat, a light-transmitting member and an elastic member, wherein the support seat is slidably connected with the lens seat along the optical axis direction of the lens, the support seat is provided with a light-through hole and a mounting groove, the light-through hole penetrates the support seat along the optical axis direction of the lens, the lens is received in the light-through hole, the mounting groove is provided on a side of the support seat away from the lens seat and communicates with the light-through hole, the light-transmitting member is installed in the mounting groove, the elastic member is sleeved on the guide member, and two ends of the elastic member are respectively abutted against the lens seat and the support seat; A heating element is arranged in the mounting groove and located between the lens and the light-transmitting element, and is used for heating the light-transmitting element.

2. The camera module according to claim 1, characterized in that: The support base comprises: The support member comprises a support body and a mounting body, the light through hole penetrates the mounting body, the mounting groove is arranged on a side of the mounting body away from the mirror seat, and the support body is connected to the mounting body and arranged along the circumference of the mounting body; The fastener comprises a movable rod and a stopper, wherein the movable rod is movably arranged in the support body along the optical axis direction of the lens, and the two ends of the movable rod are respectively connected to the lens seat and the stopper, and the stopper is used to stop the support body in the optical axis direction of the lens.

3. The camera module according to claim 2, characterized in that: A receiving groove is formed on one side of the mounting body facing the mirror seat, and a part of the structure of the elastic member is received in the receiving groove.

4. The camera module according to claim 1, characterized in that: The heating element comprises: A heating body, installed in the installation groove and located between the lens and the light-transmitting member, the heating body being arranged around the circumference of the installation groove; A conductor, one end of which is connected to the heating body, and the other end of which passes through the mirror seat and extends to the mounting seat, and the conductor is used to introduce current to heat up the heating body.

5. The camera module according to claim 4, characterized in that: The camera module also includes: The reinforcing member is arranged between the heating body and the light-transmitting member and is matched with the heating body.

6. The camera module according to claim 5, characterized in that: The camera module also includes: The adhesive member is disposed between the reinforcing member and the light-transmitting member and is matched with the reinforcing member. The adhesive member is used to fix the reinforcing member and the light-transmitting member.

7. The camera module according to claim 1, wherein: The camera module also includes: A dustproof component is detachably connected to the mounting seat and covers the driving component.

8. The camera module according to claim 1, wherein: The mounting seat is provided with a movable groove and a light-transmitting hole, the lens seat is received in the movable groove, the light-transmitting hole penetrates the bottom wall of the movable groove and is located in the optical axis direction of the lens.

9. The camera module according to claim 8, characterized in that: The camera module also includes: The photosensitive component is connected to the mounting seat and is arranged on a side of the light-transmitting hole away from the lens seat, and is used for receiving light entering through the lens.

10. An electronic device, characterized in that: include: A camera module as described in any one of claims 1 to 9.

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