TWI818520B - Camera device - Google Patents

Abstract

A camera device includes a fixed seat, a rotating shaft, a first driving module and a lens module. The lens module includes a lens casing and a lens module casing. The rotating shaft is rotatably connected to the fixed seat, the first driving module is fixed to the fixed seat, the lens casing is connected to the rotating shaft, the lens module housing is rotatably connected to the rotating shaft, and the first driving module rotates the lens casing and the lens module casing at the same time relative to the fixed seat, and the rotation angles of the lens casing and the lens module casing are in a predetermined ratio.

Description

photographic installation

The invention relates to a photographing device. In particular, it relates to a photographic device with a rotating differential.

With the advancement of technology, the functions of electronic devices are also improving day by day. In recent years, the world has been affected by the epidemic, which has given rise to strong demand for video conferencing. Even after the epidemic subsides, video conferencing will become the new normal for business-to-business or cross-border communication in the future.

In addition, the development of globalization has made personnel collaborate more frequently in different places. When there is a need for face-to-face communication, good video equipment can eliminate geographical barriers and reduce travel expenses. Under the two major driving forces of operational efficiency and cost considerations, more This has promoted the steady growth of the global video conferencing equipment market.

In video conferencing, cameras, microphones and speakers are the core devices in video conferencing equipment. In order to facilitate users to conduct video conferences, cameras with autofocus and rotation functions can often improve the quality of the conference.

However, when some cameras rotate, due to the rotation angle of the lens, a gap will occur between the lens and the casing of the video equipment, which will affect the appearance, and it is easier for dust to fall on the rotating components, affecting the life and stability of the product. sex.

This summary is intended to provide a simplified summary of the disclosure to provide the reader with a basic understanding of the disclosure. This summary is not an extensive overview of the disclosure and it is not intended to identify key/critical elements of the embodiments of the invention or to delineate the scope of the invention.

One object of the present invention is to provide a photography device that utilizes a rotational differential so that the lens housing and the lens module housing can perform differential rotation to effectively cover the gap between the lens housing and the electronic equipment housing and effectively beautify the space. The appearance of the photography device can also reduce the chance of dust falling in and improve the product reliability of the photography device.

In order to achieve the above object, one technical aspect of the present invention relates to a photography device including a fixed base, a rotating shaft, a first driving module and a lens module. The lens module includes a lens housing and a lens module housing. The rotating shaft is rotatably connected to the fixed base, the first driving module is fixed to the fixed base, the lens housing is connected to the rotating shaft, and the lens module housing is rotatably connected to the rotating shaft. The first driving module drives the lens housing and the lens module simultaneously. The assembly housing rotates relative to the fixed base, and the rotation angle of the lens housing and the lens module housing is in a predetermined proportional relationship. Preferably, the predetermined proportional relationship is 2:1.

In some embodiments, the first driving module includes a driving motor, a driving gear, a speed change gear, a first housing rotation gear, and a second housing rotation gear. The driving gear is connected to the driving motor and rotates the speed change gear to simultaneously rotate the first housing rotating gear and the second housing rotating gear. Among them, the first housing rotating gear is connected to the rotating shaft, and the second housing rotating gear is connected to the lens module housing.

In some embodiments, the speed change gear includes a first gear, a second gear and a third gear, and the driving gear rotates the first gear to simultaneously rotate the second gear and the third gear.

In some embodiments, the first drive module further includes a first belt and a second belt. The first belt is connected between the first housing rotating gear and the second gear of the transmission gear. The second belt is connected to the second gear. Between the housing rotation gear and the third gear of the transmission gear.

In some embodiments, the first belt and the second belt are timing belts.

In some embodiments, the first drive module further includes a first bearing and a second bearing. The first bearing is disposed between the fixed seat and the first housing rotating gear, and the second bearing is disposed between the rotating shaft and the second housing. The housing rotates between the gears.

In some embodiments, the lens module further includes a first lens and a second lens. The first lens is a zoom lens, and the second lens is a fixed-focus wide-angle lens.

In some embodiments, the photography device further includes a second driving module to drive the lens module to rotate in a direction perpendicular to the rotation axis.

Therefore, the photography device disclosed in the present invention can use a single drive motor to drive two coaxially rotating housing structures through different reduction ratios through a transmission structure composed of multi-stage gears, thereby producing a difference in rotation angles, effectively Beautify the appearance of the photography device and prevent dust from falling in. In addition, through the pulley transmission, the photographic device of the present invention can further reduce the noise when the photographic device is used.

The following is a detailed description of the embodiments with the accompanying drawings. However, the embodiments provided are not intended to limit the scope of the present disclosure, and the description of the structural operation is not intended to limit the order of its execution. Any recombination of components The structures and devices with equal functions are all within the scope of this disclosure. In addition, the drawings are for illustrative purposes only and are not drawn to original size. To facilitate understanding, the same elements or similar elements will be designated with the same symbols in the following description.

In addition, unless otherwise noted, the terms used throughout the specification and patent application generally have their ordinary meanings when used in the field, in the disclosure and in the special content. . Certain terms used to describe the present disclosure are discussed below or elsewhere in this specification to provide those skilled in the art with additional guidance in describing the present disclosure.

In the embodiments and the scope of the patent application, unless there is a special limitation on the article in the context, "a" and "the" can generally refer to a single one or a plurality. The numbers used in the steps are only used to mark the steps for ease of explanation, but are not used to limit the order and implementation manner.

Secondly, the words "include", "include", "have", "contain", etc. used in this article are all open terms, which mean including but not limited to.

Figure 1 is a schematic three-dimensional view of a photography device according to an embodiment of the present invention, Figure 2 is a schematic three-dimensional view from another angle, Figure 3 is a schematic top view, and Figure 4 is an exploded schematic view.

First, referring to FIG. 4 , as shown in the figure, the photography device 100 includes a fixed base 110 , a rotating shaft 128 , a first driving module 120 and a lens module 140 . The rotating shaft 128 is rotatably connected to the fixed base 110 so that the lens module 140 can rotate relative to the fixed base 110 . The first driving module 120 is directly or indirectly fixed on the fixed base 110. For example, a bracket 112 can be used to be fixed on the fixed base 110.

The lens module 140 includes a lens housing 142 and a lens module housing 144. The lens housing 142 is connected to one end of the rotating shaft 128, and the lens module housing 144 is rotatably connected to the rotating shaft 128. Therefore, the first driving module 120 can simultaneously drive the lens housing 142 and the lens module housing 144 to rotate relative to the fixed base 110 . It is worth noting that the rotation angle of the lens housing 142 and the lens module housing 144 is in a predetermined proportional relationship.

Referring to Figures 1 to 3 at the same time, as shown in Figure 3, the photography device 100 can be installed in an electronic device. In order to prevent the lens housing 142 from being exposed due to the angle of rotation when the lens module 140 is rotating. parts, and in order to increase the rotation angle of the lens module 140, a lens module housing 144 is further provided between the outside of the lens housing 142 and the electronic device housing 330, and the lens module housing 144 can follow the lens housing 142 in a predetermined manner. Proportional relationship rotation, for example, a rotation angle ratio other than 1:1.

In some embodiments, the rotation angle 310 of the lens module 140 is greater than the rotation angle 320 of the lens module housing 144 .

In some embodiments, the predetermined proportional relationship between the rotation angles of the lens housing 142 and the lens module housing 144 is preferably 2:1. For example, the rotation angle 310 of the lens module 140 is plus or minus 30 degrees, and the lens module 140 has a rotation angle of plus or minus 30 degrees. The rotation angle 320 of the group housing 144 is plus or minus 15 degrees.

In some embodiments, the lens module 140 includes a first lens 141 and a second lens 143. The first lens 141 is a zoom lens, and the second lens 143 is a fixed focus wide-angle lens.

In some embodiments, the first driving module 120 includes a driving motor 121 , a driving gear 122 , a speed change gear 123 , a first housing rotating gear 124 and a second housing rotating gear 125 . The driving gear 122 is connected to the driving motor 121 and rotates the speed change gear 123 to simultaneously rotate the first housing rotation gear 124 and the second housing rotation gear 125 . In addition, the first housing rotation gear 124 is connected to the rotation shaft 128. Therefore, when the first housing rotation gear 124 rotates, the rotation shaft 128 is driven to rotate, and then the lens housing 142, the first lens 141 and the second lens 143 are driven to rotate. Furthermore, the second housing rotation gear 125 is connected to the lens module housing 144 to rotate the lens module housing 144 .

In some embodiments, the driving motor 121 is, for example, a stepper motor, a servo motor, or other DC or AC motor, without departing from the spirit and scope of the present invention.

In some embodiments, the speed change gear 123 is a compound gear, such as a three-layer gear. In some embodiments, the transmission gear 123 includes a first gear 301, a second gear 302 and a third gear 303. The driving gear 122 directly rotates the first gear 301 to simultaneously rotate the second gear 302 and the third gear 303. .

In some embodiments, the second gear 302 and the third gear 303 can directly mesh with the first housing rotation gear 124 and the second housing rotation gear 125 to directly drive the first housing rotation gear 124 and the second housing rotation gear 125, Then rotate the lens housing 142 and the lens module housing 144.

In some embodiments, the first drive module 120 further includes a first belt 126 and a second belt 127 , and the first belt 126 is connected between the first housing rotation gear 124 and the second gear 302 of the transmission gear 123 , the second belt 127 is connected between the second housing rotation gear 125 and the third gear 303 of the speed change gear 123 . Therefore, the first belt 126 drives the first housing rotation gear 124 , and the second belt 127 drives the second housing rotation gear 125 to rotate the lens housing 142 and the lens module housing 144 . Through the arrangement of the first belt 126 and the second belt 127, the photography device 100 of the present invention can further reduce the noise during rotation and improve the video quality when in use.

In some embodiments, both the first belt 126 and the second belt 127 are timing belts to improve the stability and accuracy of the rotation of the lens module 140 .

In some embodiments, the reduction ratio between the first housing rotation gear 124 and the second gear 302 is approximately 1.66, and the reduction ratio between the second housing rotation gear 125 and the third gear 303 is approximately 3.33. In other words, the rotation angle 310 of the lens housing 142 is approximately twice the rotation angle 320 of the lens module housing 144, but this is not intended to limit the spirit and protection scope of the present invention. The ratio of the rotation angle 310 of the lens housing 142 to the rotation angle 320 of the lens module housing 144 can also be changed according to actual needs, the reduction ratio of the first housing rotation gear 124 and the second gear 302, and the second housing rotation gear 125 and the second housing rotation gear 125. The reduction ratio of the three gears 303 is used to adjust the ratio of the rotation angle 310 of the lens housing 142 to the rotation angle 320 of the lens module housing 144, which does not deviate from the spirit and protection scope of the present invention.

In some embodiments, the first housing rotation gear 124 and the second housing rotation gear 125 are preferably coaxially arranged, and the first gear 301, the second gear 302 and the third gear 303 are also preferably coaxially arranged. level gear. Therefore, the photography device 100 of the present invention can use a single drive motor to differentially drive the coaxially rotating lens housing 142 and the lens module housing 144 with different reduction ratios, thereby achieving required rotation angles of different proportions.

In some embodiments, the first driving module 120 of the photography device 100 of the present invention further includes a first bearing 129, a second bearing 130 and a third bearing 146. The first bearing 129 is provided between the fixed base 110 and the first housing rotating gear 124 to stabilize the rotation of the first housing rotating gear 124. The second bearing 130 is provided between the second housing rotating gear 125 and the rotating shaft 128. To stabilize the rotation of the second housing rotating gear 125, the third bearing 146 is disposed above the lens module housing 144 to stabilize the rotation of the lens module housing 144.

In some embodiments, the photography device 100 further includes a second driving module 150 to drive the lens module 140 to rotate, for example, in a direction perpendicular to the rotation axis 128 . In some embodiments, the second driving module 150 includes a driving motor 151 and a driving gear set 152 . The driving motor 151 is, for example, a stepper motor, a servo motor or other DC or AC motor, which does not deviate from the spirit and protection scope of the present invention.

In some embodiments, the mounting base 110 further includes an anti-shock washer 114 to enhance the anti-shock effect of the photography device 100 of the present invention.

In view of this, the photographic device of the present invention can use a single drive motor to drive two coaxially rotating housing structures through different reduction ratios through a transmission structure composed of multiple gears, thereby producing a difference in rotation angles, effectively Beautify the appearance of the photography device and prevent dust from falling in. In addition, through the pulley transmission, the photographic device of the present invention can further reduce the noise when the photographic device is used.

Although the disclosure has been disclosed in the above embodiments, it is not intended to limit the disclosure. Anyone with ordinary knowledge in the art can make various modifications and modifications without departing from the spirit and scope of the disclosure. Therefore, the disclosure The scope of protection shall be subject to the scope of the patent application attached.

100: Photography installation 110: Fixed seat 112:Bracket 114: Anti-vibration washer 120: First drive module 121: Drive motor 122:Driving gear 123:Transmission gear 124: First housing rotating gear 125: Second housing rotating gear 126:First belt 127:Second belt 128:Rotation axis 129:First bearing 130:Second bearing 140: Lens module 141: First shot 142: Lens housing 143: Second shot 144: Lens module housing 146:Third bearing 150: Second drive module 151: Drive motor 152:Driving gear set 301:First gear 302: Second gear 303:Third gear 310:Rotation angle 320:Rotation angle 330: Electronic equipment housing

In order to make the above and other objects, features, advantages and embodiments of the present disclosure more obvious and understandable, the accompanying drawings are described as follows: Figure 1 is a schematic three-dimensional view of a photography device according to an embodiment of the present invention. Figure 2 is a schematic three-dimensional view of the photography device shown in Figure 1 from another angle. Figure 3 is a schematic top view of the photography device shown in Figure 1 . Figure 4 is an exploded view of the photographic device shown in Figure 1.

100: Photography installation

110: Fixed seat

112:Bracket

120: First drive module

121: Drive motor

122:Driving gear

123:Transmission gear

124: First housing rotating gear

125: Second housing rotating gear

126:First belt

127:Second belt

128:Rotation axis

129:First bearing

130:Second bearing

140: Lens module

142: Lens housing

144: Lens module housing

146:Third bearing

150: Second drive module

151: Drive motor

152:Driving gear set

301:First gear

302: Second gear

303:Third gear

Claims (10)

A photography device, including: a fixed base; a rotating shaft, rotatably connected to the fixed base; a first drive module, fixed to the fixed base; and a lens module, including a lens housing and a lens module Housing, the lens housing is connected to the rotation axis, and the lens module housing is rotationally connected to the rotation axis, the first driving module simultaneously drives the lens housing and the lens module housing to rotate relative to the fixed base, and The rotation angle of the lens housing and the lens module housing is in a predetermined proportional relationship, wherein the first driving module includes a driving motor, a driving gear, a first housing rotating gear and a second housing rotating gear, The driving gear is connected to the driving motor to simultaneously rotate the first housing rotating gear and the second housing rotating gear, wherein the first housing rotating gear is connected to the rotating shaft, and the second housing rotating gear is connected to the lens module shell. The photographic device as claimed in claim 1, wherein the predetermined ratio relationship between the rotation angles of the lens housing and the lens module housing is 2:1. The photographic device of claim 1, wherein the first drive module further includes: a speed change gear, the drive gear is connected to the drive motor, and rotates the speed change gear, thereby simultaneously rotating the first housing rotating gear and the The second The housing turns the gear. The photographic device of claim 3, wherein the speed change gear includes a first gear, a second gear and a third gear, and the driving gear rotates the first gear to simultaneously rotate the second gear and the third gear. Three gears. The photographic device of claim 4, wherein the first drive module further includes a first belt and a second belt, the first belt is connected to the first housing rotating gear and the second of the speed change gear. Between the gears, the second belt is connected between the second housing rotation gear and the third gear of the speed change gear. The photographic device of claim 5, wherein the first belt and the second belt are timing belts. The photographic device of claim 3, wherein the first driving module further includes a first bearing disposed between the fixed base and the first housing rotating gear. The photographic device of claim 7, wherein the first driving module further includes a second bearing disposed between the rotating shaft and the second housing rotating gear. The photographic device of claim 1, wherein the lens module further includes a first lens and a second lens, the first lens is a zoom lens, and the second lens is a fixed focal length wide-angle lens. The photographic device of claim 1 further includes a second driving module to drive the lens module to rotate in a direction perpendicular to the rotation axis.

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