CN103163619B - Lens driving module and camera device thereof - Google Patents

Abstract

The invention discloses a lens driving module and a camera device thereof, comprising: a driving cylinder, a first zoom lens barrel, a second zoom lens barrel and a focusing lens barrel. Wherein the inner peripheral wall of the driving cylinder is provided with at least one first groove, at least one second groove and at least one control convex point; the outer peripheral walls of the first zoom lens barrel, the second zoom lens barrel and the focusing lens barrel are respectively provided with at least one first guide salient point, at least one second guide salient point and at least one third groove, and the at least one first guide salient point, the at least one second guide salient point and the at least one control salient point are respectively embedded into the at least one first groove, the at least one second groove and the at least one third groove. When the driving cylinder rotates, the lens driving module performs zooming or focusing actions through the grooves and the salient points. The invention can drive each lens barrel to finish zooming and focusing actions by using a single driving module, thereby saving the assembly time of the camera and reducing the production cost.

Description

Lens driving module and camera device thereof

technical field

The present invention relates to a lens driving module and an imaging device thereof, in particular to a lens driving module and an imaging device thereof which utilize a driving cylinder and a slide rail groove design to achieve a linkage effect, and then perform zooming and focusing actions.

Background technique

With the rapid development of the online community, modern people mostly use cameras to record their personal daily life. In order to meet this huge market demand, how to reduce the production cost of cameras and simplify the production process has become the primary issue of major manufacturers.

Most of the cameras currently on the market have zoom and focus functions. For most cameras, the focus and zoom actions of the lens usually use more than two drive motors to drive the lens barrel to control the lens to zoom. and focusing, but compared with multiple driving motors, multiple driving circuits and more space for component configuration are required, which makes the production and assembly time-consuming and labor-intensive, and increases the production cost.

In view of this, how to design an ideal lens driving device, which can use a single driving module to complete the zooming and focusing actions, so as to solve the problem that current cameras need individual driving modules to drive zooming and focusing, resulting in waste of production costs and excessive increase in assembly man-hours , has become an urgent issue in market applications.

To sum up, the inventor contemplates and designs a lens driving module and its camera device to improve the defects of the prior art and facilitate industrial implementation and utilization.

Contents of the invention

In view of the above-mentioned known technical problems, the purpose of the present invention is to provide a lens driving module and an imaging device thereof, so as to solve the waste of production cost and production man-hours caused by the current lens using multiple driving modules for zooming and focusing. The problem of excessive growth.

According to an object of the present invention, the present invention adopts the following technical solutions:

A lens driving module includes a driving barrel, a first zoom lens barrel, a second zoom lens barrel and a focusing lens barrel. Each of the lens barrels is a hollow cylindrical structure, and one end of the driving barrel is a light incident end, that is, the end where the subject light enters, and the other end opposite to the light incident end is an imaging end, and the inner end of the driving barrel The peripheral wall has at least one first groove, at least one second groove and at least one control bump. The at least one control bump is arranged on the imaging end of the drive cylinder and protrudes toward the axis. The first zoom lens barrel is arranged at the light-incident end of the drive barrel, and the outer peripheral wall of the first zoom lens barrel is provided with at least one first guide protrusion corresponding to at least one first groove, and at least one first guide protrusion is embedded in at least one first groove. The second zoom lens barrel is arranged at the imaging end of the drive barrel, and the outer peripheral wall of the second zoom lens barrel is provided with at least one second guiding protrusion corresponding to at least one second groove, and at least one second guiding protrusion is embedded in at least one first first groove. Two grooves. The focusing lens barrel is arranged on the imaging end of the driving barrel, and corresponds to at least one control bump. The peripheral wall of the focusing lens barrel is provided with at least one third groove, and at least one control bump is embedded in the at least one third groove. When the drive cylinder rotates, at least one first guiding protrusion and at least one second guiding protrusion are pushed against one side of at least one first groove and at least one second groove respectively, so that the first zoom lens barrel and the second The two zoom lens barrels are axially displaced, and then the lens driving module is zoomed; and at least one control bump is displaced along at least one third groove, so that the focusing lens barrel is axially displaced, and then the lens driving module is focused. .

Wherein at least one first guiding protrusion and at least one second guiding protrusion are respectively displaced along at least one first groove and at least one second groove, and the relative distance between the first zoom lens barrel and the second zoom lens barrel is fixed When not changing, the first zoom lens barrel and the second zoom lens barrel are in a static segment.

Wherein, when the first zoom lens barrel and the second zoom lens barrel are in the static section, at least one control protrusion is displaced along at least one third groove, and when the focus lens barrel is axially displaced, the focus lens barrel is in a focus section .

Wherein, when the focusing lens barrel is in the focusing segment, the lens driving module performs a focusing action.

Wherein, when the first zoom lens barrel and the second zoom lens barrel are in the stationary section, at least one first guiding protrusion and at least one second guiding protrusion are respectively displaced along grooves of the same shape.

Wherein, when the first zoom lens barrel and the second zoom lens barrel are in the stationary section, at least one first guiding protrusion and at least one second guiding protrusion are respectively displaced along a radial groove.

Wherein at least one first guiding protrusion and at least one second guiding protrusion are respectively displaced along at least one first groove and at least one second groove, and the relative distance between the first zoom lens barrel and the second zoom lens barrel changes , the first zoom lens barrel and the second zoom lens barrel are in a zoom segment.

Wherein, when the first zoom lens barrel and the second zoom lens barrel are in the zoom range, the lens driving module performs a zoom action.

Wherein, when the first zoom lens barrel and the second zoom lens barrel are in the zoom section, at least one first guide protrusion is displaced along at least one first groove shaped as an oblique groove or a curved groove, or at least one second The guiding protruding point is displaced along at least one second groove whose shape is an oblique groove or a curved groove.

According to another object of the present invention, a camera device is provided, including a lens driving module, a driving module, several control buttons, a control unit, an image sensing component and a display unit. The lens driving module includes: a driving barrel, a first zoom lens barrel, a second zoom lens barrel and a focusing lens barrel. The driving cylinder is a hollow cylindrical structure, and the end where the light from the subject enters is a light incident end, and the other end opposite to the light incident end is an imaging end; the inner peripheral wall of the driving cylinder has at least one first groove, at least one The second groove and at least one control bump, the at least one control bump is arranged on the imaging end and protrudes toward the axis. The first zoom lens barrel and the second zoom lens barrel are also hollow cylindrical structures, respectively placed at the light incident end and the imaging end, and have at least one first groove and at least one second groove on their peripheral walls. The first guiding bump and at least one second guiding bump. The focusing lens barrel is placed at the imaging end, and at least one third groove is provided on the peripheral wall thereof corresponding to at least one control bump. Wherein, at least one first guide bump, at least one second guide bump and at least one control bump are embedded in at least one first groove, at least one second groove and at least one third groove respectively. When the drive module drives the drive cylinder to rotate, at least one first groove and at least one second groove respectively push against at least one first guide protrusion and at least one second guide protrusion, so that the first zoom lens barrel and the second The zoom lens barrels are axially displaced, and then the zoom lens barrels are zoomed; at least one control protrusion is displaced along at least one third groove, so that the focus lens barrels are axially displaced, and then the focus lens barrels are made to focus.

Wherein at least one first guiding protrusion and at least one second guiding protrusion are respectively displaced along at least one first groove and at least one second groove, and the relative distance between the first zoom lens barrel and the second zoom lens barrel is fixed When not changing, the first zoom lens barrel and the second zoom lens barrel are in a static segment.

Wherein, when the first zoom lens barrel and the second zoom lens barrel are in the static section, at least one control protrusion is displaced along at least one third groove, and when the focus lens barrel is axially displaced, the focus lens barrel is in a focus section .

Wherein, when the focusing lens barrel is in the focusing section, the camera device performs a focusing action.

Wherein, when the first zoom lens barrel and the second zoom lens barrel are in the stationary section, at least one first guiding protrusion and at least one second guiding protrusion are respectively displaced along grooves of the same shape.

Wherein, when the first zoom lens barrel and the second zoom lens barrel are in the stationary section, at least one first guiding protrusion and at least one second guiding protrusion are respectively displaced along a radial groove.

Wherein at least one first guiding protrusion and at least one second guiding protrusion are respectively displaced along at least one first groove and at least one second groove, and the relative distance between the first zoom lens barrel and the second zoom lens barrel changes , the first zoom lens barrel and the second zoom lens barrel are in a zoom segment.

Wherein, when the first zoom lens barrel and the second zoom lens barrel are in the zoom range, the imaging device performs a zoom action.

Wherein, when the first zoom lens barrel and the second zoom lens barrel are in the zoom section, at least one first guide protrusion is displaced along at least one first groove shaped as an oblique groove or a curved groove, or at least one second The guiding protruding point is displaced along at least one second groove whose shape is an oblique groove or a curved groove.

Based on the above, according to the lens driving module and the camera device thereof of the present invention, it may have one or more of the following advantages:

(1) The lens driving module of the present invention and the imaging device thereof utilize the groove and convex embedding design of the driving cylinder and each lens barrel, so that a single driving module can drive each lens barrel to complete zooming and focusing actions, thereby reduce manufacturing cost.

(2) The lens driving module and the camera device thereof of the present invention use a chute design to link the focusing lens barrel instead of being driven by an independent driving module, thereby saving assembly time and reducing production material costs.

Description of drawings

Fig. 1 is the exploded view of the first embodiment of the lens drive module of the present invention;

2 is a schematic diagram of the assembly of the first embodiment of the lens drive module of the present invention;

FIG. 3 is a schematic structural view of the drive cylinder of the first embodiment of the lens drive module of the present invention;

Fig. 4 is a schematic diagram of the inner wall structure of the driving cylinder part of the first embodiment of the lens driving module of the present invention; and

FIG. 5 is a schematic diagram of a second embodiment of the lens driving module of the present invention.

Detailed ways

In order to make your examiners understand the technical features, content and advantages of the present invention and the effects it can achieve, the present invention will be described in detail below in the form of embodiments in conjunction with the accompanying drawings. The drawings used therein are only intended to illustrate and assist the description, and may not be the true proportions and precise configurations of the present invention after implementation. Therefore, the proportions and configurations of the drawings should not be interpreted or limited to the actual implementation of the present invention. Claims above, prior declaration.

The lens driving module of the present invention mainly can use a driving module (such as a motor) to zoom and focus the lens. The scope is not limited to this.

Embodiments of the lens driving module and the imaging device thereof according to the present invention will be described below with reference to related drawings. For ease of understanding, the same components in the following embodiments are marked with the same symbols for illustration.

Please refer to FIG. 1 and FIG. 2 , FIG. 1 is an exploded view of the first embodiment of the lens driving module of the present invention; FIG. 2 is an assembly diagram of the first embodiment of the lens driving module of the present invention. As shown in the figure, the lens driving module 1 of the present invention includes a first zoom lens barrel 10 , a second zoom lens barrel 20 , a focusing lens barrel 30 and a driving barrel 40 . The driving cylinder 40 is a hollow cylindrical structure, and its two ends are respectively a light incident end 403 and an imaging end 404 , wherein the light incident end 403 is a port through which light from the subject enters. At least one control protrusion 400 , at least one first groove 401 and at least one second groove 402 are disposed on the inner peripheral wall of the driving cylinder 40 . At least one control bump 400 is disposed on the inner peripheral wall of the imaging end 404 of the driving barrel 40 and protrudes toward the axis, and embedded in at least one third groove 300 on the outer peripheral wall of the focusing lens barrel 30 . The first zoom lens barrel 10 and the second zoom lens barrel 20 are both hollow cylindrical structures, and are placed at the light incident end 403 and the imaging end 404 respectively. The peripheral wall of the first zoom lens barrel 10 is provided with at least one first guiding protrusion 100 embedded in at least one first groove 401 . At least one second guiding protrusion 200 is disposed on the peripheral wall of the second zoom lens barrel 20 and embedded in at least one second groove 402 . Wherein, the number of each lens barrel can be appropriately increased according to actual application requirements.

As mentioned above, when the drive cylinder 40 is driven, one side of at least one first groove 401 pushes against at least one first guiding protrusion 100; one side of at least one second groove 402 pushes against at least one second The guiding bump 200 and at least one control bump 400 are displaced along at least one third groove 300 . In more detail, at least one first guiding protrusion 100 and at least one second guiding protrusion 200 are displaced along the contours of at least one first groove 401 and at least one second groove 402 respectively, so that the first zoom lens barrel 10 and the second zoom lens barrel 20 perform a zooming action; at least one control protrusion 400 is displaced along the shape of at least one third groove 300 , and then the focusing lens barrel 30 performs a focusing action. Wherein, the shapes of the first groove 401 , the second groove 402 and the third groove 300 may be radial grooves, curved grooves, oblique grooves or a combination thereof.

When at least one first guiding protrusion 100 and at least one second guiding protrusion 200 are displaced along at least one radial groove respectively, the relative distance between the first zoom lens barrel 10 and the second zoom lens barrel 20 remains unchanged, thus When the first zoom lens barrel 10 and the second zoom lens barrel 20 are in a stationary segment; similarly, when at least one first guide protrusion 100 and at least one second guide protrusion 200 are displaced along grooves of the same shape respectively, The relative distance between the first zoom lens barrel 10 and the second zoom lens barrel 20 also remains unchanged, and the first zoom lens barrel 10 and the second zoom lens barrel 20 are also in a static segment. Conversely, if at least one first guide protrusion 100 and at least one second guide protrusion 200 are displaced along different at least one curved groove or at least one oblique groove respectively, the first zoom lens barrel 10 and the second zoom lens The relative distance of the barrels 20 changes accordingly, and at this moment, the first zoom lens barrel 10 and the second zoom lens barrel 20 are in a zoom segment. When at least one first guiding protrusion 100 is displaced along at least one curved groove or at least one oblique groove, and at least one second guiding protrusion 200 is displaced along at least one radial groove, the first zoom lens barrel 10 is in the A zoom segment. Similarly, when at least one second guide protrusion 200 is displaced along at least one curved groove or at least one oblique groove, and at least one first guide protrusion 100 is displaced along at least one radial groove, the second zoom lens Barrel 20 is in a zoom range. Also, when at least one control bump 400 is displaced along at least one curved groove or at least one oblique groove, the focusing lens barrel 30 is in a focusing section; when at least one control bump 400 is displaced along at least one radial groove, the focusing The lens barrel 30 is in a stationary section.

When the first zoom lens barrel 10 and the second zoom lens barrel 20 were in the stationary segment, the relative distance between the first and second zoom lens barrels remained constant, and the actuation of the two zoom lens barrels could be stationary or Axial displacement is performed, and at this time, the lens driving module 1 completes a certain stage of zooming. Relatively, when the first zoom lens barrel 10 and the second zoom lens barrel 20 are in a zoom segment, the relative distance between the two zoom lens barrels changes accordingly, and the actuation of the two zoom lens barrels can be the first zoom lens barrel 10 or one of the second zoom lens barrels 20 is axially displaced while the other is stationary, or the two zoom lens barrels are axially displaced at different distances at the same time, and the lens driving module 1 performs zooming action at this time. Moreover, when the focusing lens barrel 30 is in the focusing section, the focusing lens barrel 30 is axially displaced, and the lens driving module 1 performs a focusing action. Wherein, according to actual needs, when the first zoom lens barrel 10 and the second zoom lens barrel 20 are in the zoom range, the focus lens barrel 30 can be in the focus range, and the lens driving module 1 can also roughly focus while zooming. , after the zooming is completed, further precise focusing action will be performed.

Please refer to FIG. 3 and FIG. 4 together. FIG. 3 is a schematic structural view of the driving cylinder of the first embodiment of the lens driving module of the present invention, and FIG. 4 is a part of the inner wall structure of the driving cylinder of the first embodiment of the lens driving module of the present invention. schematic diagram. As shown in FIG. 3 , the driving cylinder 40 is a hollow cylindrical structure, and its two ends are respectively a light incident end 403 and an imaging end 404 , wherein the light incident end 403 is a port through which light from the subject enters. At least one control protrusion 400 , at least one first groove 401 , and at least one second groove 402 are disposed on the inner peripheral wall of the driving cylinder 40 . At least one control protrusion 400 is disposed on the inner peripheral wall of the imaging end 404 and protrudes toward the axis. A driving gear structure 405 is disposed on the peripheral wall of the imaging end 404 . As shown in Figure 4, the inner peripheral wall of the driving cylinder 40 is provided with a control bump 400, a first groove 401 and a second groove 402; wherein a first groove 401 has a first initial position 4010 and a first zoom section 4011 ; a second groove 402 has a second initial position 4020 and a second zoom section 4021 .

The connection and operation relationship of the lens driving module 1 in this embodiment are similar to those described above, and will not be repeated here. It is worth noting that at least one first guide bump 100, at least one second guide bump 200 and at least one control bump 400 are along at least one first groove 401, at least one second groove 402 and at least one first groove respectively. Three grooves 300 are displaced. The shapes of the first groove 401 , the second groove 402 and the third groove 300 may be radial grooves, curved grooves, oblique grooves or a combination thereof. The relative distance between the first zoom lens barrel 10 and the second zoom lens barrel 20 when at least one first guide bump 100 and at least one second guide bump 200 are displaced along grooves of the same shape or radial grooves respectively In this case, the lens barrel driving module 1 completes a certain stage of zooming. When at least one first guiding protrusion 100 and at least one second guiding protrusion 200 are displaced along grooves of different shapes, the relative distance between the first zoom lens barrel 10 and the second zoom lens barrel 20 changes accordingly. The barrel drive module 1 performs a zoom operation. When at least one control bump 400 is displaced along the curved groove or oblique groove of at least one third groove 300, the focusing lens barrel 30 is displaced axially, and the lens drive module 1 performs focusing action; at least one control bump 400 When moving along the radial groove, the lens driving module 1 completes a certain stage of focusing action.

In more detail, when the drive module 406 drives the drive cylinder 40 to rotate through the drive gear structure 405, the first guide protrusion 100 is displaced to the first zoom segment 4011 along the first groove 401 at the first initial position 4010; the second guide protrusion The point 200 is displaced to the second zoom section 4021 at the second starting position 4020 along the second groove 402 . When the first guiding protrusion 100 is displaced along the first zoom segment 4011 and the second guiding protrusion 200 is displaced along the second zoom segment 4021, the relative distance between the first zoom lens barrel 10 and the second zoom lens barrel 20 changes accordingly. , at this moment, the lens driving module 1 performs zooming. Wherein, if the contour slopes of the two zoom segments are equal, the relative distance between the first zoom lens barrel 10 and the second zoom lens barrel 20 remains unchanged, and the lens driving module 1 completes a certain stage of zooming. When the relative distance between the first zoom lens barrel 10 and the second zoom lens barrel 20 remains constant, the control convex point 400 on the inner peripheral wall of the drive cylinder 40, an oblique groove or a curved groove along the third groove 300 The displacement causes the focusing lens barrel 30 to make an axial displacement, and then the lens driving module 1 performs focusing action. Wherein, the driving module 406 can use a direct drive motor or a stepping motor according to actual needs. In addition, the design of the groove can be designed according to actual requirements. In this embodiment, the groove design in FIG. 4 is taken as an example, but the actual application is not limited thereto.

Please refer to FIG. 5 , which is a schematic diagram of a second embodiment of the lens driving module of the present invention. The lens driving module 1 of the present invention can be applied to a camera 50, and the camera 50 can be a digital camera (Digital Camera), a camera phone (Camera Phone), a smart phone (Smart phone) or a digital video camera (Digital Video Camera), etc. Various portable electronic devices with camera functions, in order to better understand the technical features of the present invention, the following uses a digital camera as an example, but not limited thereto.

As shown in the figure, the camera device 50 may have a lens driving module 1 , a driving module 406 , several control buttons 501 , a control unit 502 , an image sensing component 503 and a display unit 504 . The image sensing component 503 is electrically connected to the imaging unit 504 arranged outside the camera device 50, and it can be a charge-coupled device (Charge-coupled device, CCD) or a complementary metal-oxide layer-semiconductor (Complementary Metal-Oxide -Semiconductor, CMOS). A plurality of control buttons 501 are disposed outside the camera device 50 and are electrically connected to the control unit 502 .

The lens driving module 1 further includes a first zoom lens barrel 10 , a second zoom lens barrel 20 , a focusing lens barrel 30 and a driving barrel 40 . The connection and actuation relationship of the lens driving module 1 in this embodiment are similar to those described above, and will not be repeated here. The driving module 406 drives the driving barrel 40 to make the first zoom lens barrel 10 , the second zoom lens barrel 20 and the focus lens barrel 30 move axially, and then make the imaging device 50 perform zooming and focusing actions. The control unit 502 is electrically connected to the drive module 406 to control the drive module 406 to act, and it can be a microprocessor controller (Microprocessor Control Unit), a central processing unit (Central Processing Unit, CPU) or a microprocessor (Microprocessor Control Unit). -Processing Unit). When the user presses several control buttons 501, the control unit 502 drives the driving module 406, and then drives the lens driving module 1; after the user finishes framing, the light of the subject passes through the lens driving module 1 and enters the image sensing component 503 . The image sensing component 503 converts it into an image signal and sends it to the display unit 504 for viewing by the user. The display unit 504 referred to here can be a liquid crystal display (Liquid Crystal Display, LCD) or a touch-sensitive liquid crystal screen.

When the user presses several control buttons 501 , the control unit 502 receives a control signal to turn on the camera device 50 and controls the driving module 406 to operate. The driving module 406 drives the driving cylinder 40 to rotate the driving cylinder 40 . With the rotation of the drive cylinder 40, one side of at least one first groove 401 and at least one second groove 402 respectively push against at least one first guiding protrusion 100 and at least one second guiding protrusion 200, so that the first The zoom lens barrel 10 and the second zoom lens barrel 20 are axially displaced to enable the camera device 50 to zoom. With the rotation of the driving barrel 40 , at least one control protrusion 400 is displaced along at least one third groove 300 , so that the focusing lens barrel 30 is axially displaced, and then the camera device 50 performs a focusing action. The shapes of the first groove 401 , the second groove 402 and the third groove 300 may be radial grooves, curved grooves, oblique grooves or a combination thereof. When at least one first guiding protrusion 100 and at least one second guiding protrusion 200 are respectively displaced along the grooves with the same slope, the first zoom lens barrel 10 and the second zoom lens barrel 20 are in a stationary segment, and the two lens barrels The relative distance remains unchanged, and at this moment, the camera 50 completes the zooming action of the stage. When at least one first guide protrusion 100 and at least one second guide protrusion 200 are displaced along grooves with different slopes respectively, the first zoom lens barrel 10 and the second zoom lens barrel 20 are in a zoom segment, and the two lens barrels The relative distance changes accordingly, and at this time, the imaging device 50 performs a zoom operation. When at least one control bump 400 is displaced along the oblique groove or curved groove of at least one third groove 300, the focusing lens barrel 30 is in a focusing section and is axially displaced, and the camera device 50 performs a focusing action at this time ; When at least one control bump 400 is displaced along the radial groove of at least one third groove 300, the focusing lens barrel 30 is in a static section, and the camera device 50 completes the focusing action.

After the drive module 406 drives the drive barrel 40 to rotate, the first zoom lens barrel 10 and the second zoom lens barrel 20 are in the zoom segment, and the focus lens barrel 30 is in the focus segment. After the user confirms the zoomed image, the camera device 50 completes the zooming action, the first zoom lens barrel 10 and the second zoom lens barrel 20 then enter the static stage, and the focusing lens barrel 30 enters the focusing stage. When the focusing lens barrel 30 enters the focusing section, the camera device 50 performs focusing action. After the user confirms the position to focus on, the focusing lens barrel 30 enters the stationary section, and the camera device 50 completes the focusing action. At this time, the user can watch the focus on the display unit 504 To see a clear scene, and press several buttons 501 to make the camera device 50 perform an image capturing action.

To sum up, the lens driving module and the imaging device thereof of the present invention use the grooves and bumps of the driving cylinder to guide and drive the zoom and focus lens barrels, and then complete the zoom and focus actions, solving the problem of using multiple independent drivers. The modules separately drive the lens to zoom and focus, resulting in various shortcomings.

The above descriptions are illustrative only, not restrictive. Any equivalent modifications or changes made without departing from the spirit and scope of the present invention shall be included in the appended claims.

Claims (18)

1. A lens drive module, characterized in that, comprising: A driving cylinder, which is a hollow cylindrical structure, wherein one end of the driving cylinder is a light incident end, the light incident end is the end where the light of the subject enters, and the other end relative to the light incident end is an imaging end, and the inner peripheral wall of the drive cylinder has at least one first groove, at least one second groove and at least one control bump in sequence from the light incident end to the imaging end, and the at least one control bump is arranged on the The imaging end of the drive cylinder protrudes toward the axis; A first zoom lens barrel, which is a hollow cylindrical structure, is arranged at the light incident end of the drive barrel, and the outer peripheral wall of the first zoom lens barrel is provided with at least one groove corresponding to the at least one first groove. a first guide bump, the at least one first guide bump is embedded in the at least one first groove; A second zoom lens barrel, which is a hollow cylindrical structure, is arranged on the imaging end of the driving barrel, and the outer peripheral wall of the second zoom lens barrel is provided with at least one corresponding to the at least one second groove. a second guide bump, the at least one second guide bump is embedded in the at least one second groove; and A focusing lens barrel, which is a hollow cylindrical structure, is arranged on the imaging end of the driving barrel, and corresponds to the at least one control bump, and the outer peripheral wall of the focusing lens barrel is provided with at least one third groove , the at least one control bump is embedded in the at least one third groove; Wherein, when the drive cylinder rotates, it passes through one side of the at least one first groove and the at least one second groove respectively, and pushes against the at least one first guiding protrusion and the at least one second groove. guide the protrusions to make the first zoom lens barrel and the second zoom lens barrel axially displace, so that the lens drive module performs a zoom action; and the at least one control protrusion moves along the at least one first zoom lens barrel. The displacement of the three grooves makes the focusing lens barrel move axially, so that the lens driving module performs focusing action. 2. The lens driving module according to claim 1, wherein the at least one first guiding protrusion and the at least one second guiding protrusion are respectively along the at least one first groove and the at least one When a second groove is displaced and the relative distance between the first zoom lens barrel and the second zoom lens barrel is constant, the first zoom lens barrel and the second zoom lens barrel are in a static section . 3. The lens drive module according to claim 2, wherein when the first zoom lens barrel and the second zoom lens barrel are in the stationary section, the at least one control protrusion is positioned along the at least one When a third groove is displaced, and the focusing lens barrel is axially displaced, the focusing lens barrel is in a focusing segment. 4. The lens driving module according to claim 3, wherein when the focusing lens barrel is in the focusing segment, the lens driving module performs a focusing action. 5. The lens driving module according to claim 2, wherein when the first zoom lens barrel and the second zoom lens barrel are in the stationary section, the at least one first guide protrusion and the at least one guide protrusion The at least one second guiding protrusion is respectively displaced along the grooves of the same shape. 6. The lens driving module according to claim 2, wherein when the first zoom lens barrel and the second zoom lens barrel are in the stationary section, the at least one first guide protrusion and the at least one guide protrusion The at least one second guiding protrusion is respectively displaced along a radial groove. 7. The lens drive module according to claim 1, wherein the at least one first guiding protrusion and the at least one second guiding protrusion are respectively along the at least one first groove and the at least one When a second groove is displaced and the relative distance between the first zoom lens barrel and the second zoom lens barrel changes, the first zoom lens barrel and the second zoom lens barrel are in a zoom range. . 8 . The lens driving module according to claim 7 , wherein when the first zoom lens barrel and the second zoom lens barrel are in the zoom range, the lens driving module performs a zoom action. 9. The lens drive module according to claim 7, wherein when the first zoom lens barrel and the second zoom lens barrel are in the zoom range, the at least one first guiding protrusion is along a shape Displacement of the at least one first groove that is an oblique groove or a curved groove, or the at least one second guiding protrusion along the at least one second groove that is shaped as an oblique groove or a curved groove displacement. 10. An imaging device comprising a lens driving module, a driving module, several control buttons, a control unit, an image sensing component and a display unit, wherein the lens driving module comprises: A driving cylinder, which is a hollow cylindrical structure, wherein one end of the driving cylinder is a light incident end, the light incident end is the end where the light of the subject enters, and the other end relative to the light incident end is an imaging end, and the inner peripheral wall of the drive cylinder has at least one first groove, at least one second groove and at least one control bump in sequence from the light incident end to the imaging end, and the at least one control bump is arranged on the The imaging end of the drive cylinder protrudes toward the axis; The drive module drives the drive cylinder to rotate; A first zoom lens barrel, which is a hollow cylindrical structure, is arranged at the light incident end, and the outer peripheral wall of the first zoom lens barrel is provided with at least one first guiding protrusion corresponding to the at least one first groove , the at least one first guiding protrusion is embedded in the at least one first groove; A second zoom lens barrel, which is a hollow cylindrical structure, is arranged at the imaging end, and the outer peripheral wall of the second lens barrel is provided with at least one second guiding protrusion corresponding to the at least one second groove, The at least one second guiding protrusion is embedded in the at least one second groove; and A focusing lens barrel is a hollow cylindrical structure, arranged at the imaging end, adjacent to the at least one control bump, and corresponding to the at least one control bump, the outer peripheral wall of the focusing lens barrel is provided with at least a third groove, the at least one control bump embedded in the at least one third groove; Wherein, when the drive module drives the drive cylinder to rotate, the drive cylinder passes through one side of the at least one first groove and the at least one second groove respectively, and pushes against the first guide The convex point and the second guiding convex point make the axial displacement of the first zoom lens barrel and the second zoom lens barrel, so that each of the zoom lens barrels performs a zoom action; and the at least one control The convex point is displaced along the at least one third groove, so that the focusing lens barrel is displaced axially, so that the camera device completes the focusing action. 11. The imaging device according to claim 10, wherein the at least one first guiding protrusion and the at least one second guiding protrusion are respectively along the at least one first groove and the at least one When the second groove is displaced and the relative distance between the first zoom lens barrel and the second zoom lens barrel is constant, the first zoom lens barrel and the second zoom lens barrel are in a static segment. 12. The imaging device according to claim 11, wherein when the first zoom lens barrel and the second zoom lens barrel are in the stationary section, the at least one control protrusion is positioned along the at least one When the third groove is displaced and the focusing lens barrel is axially displaced, the focusing lens barrel is in a focusing segment. 13 . The imaging device according to claim 12 , wherein when the focusing lens barrel is in the focusing segment, the imaging device performs a focusing action. 14 . 14. The imaging device according to claim 11, wherein when the first zoom lens barrel and the second zoom lens barrel are in the stationary section, the at least one first guiding protrusion and the At least one second guiding protrusion is respectively displaced along the grooves of the same shape. 15. The imaging device according to claim 11, wherein when the first zoom lens barrel and the second zoom lens barrel are in the stationary section, the at least one first guiding protrusion and the At least one second guiding protrusion is respectively displaced along a radial groove. 16. The imaging device according to claim 10, wherein the at least one first guiding protrusion and the at least one second guiding protrusion are respectively along the at least one first groove and the at least one When the second groove is displaced and the relative distance between the first zoom lens barrel and the second zoom lens barrel changes, the first zoom lens barrel and the second zoom lens barrel are in a zoom range. 17. The imaging device according to claim 16, wherein when the first zoom lens barrel and the second zoom lens barrel are in the zoom range, the imaging device performs a zooming action. 18. The imaging device according to claim 16, wherein when the first zoom lens barrel and the second zoom lens barrel are in the zoom range, the shape of the at least one first guiding convex point is Displacement of the at least one first groove of an oblique groove or a curved groove, or displacement of the at least one second guiding protrusion along the at least one second groove shaped as an oblique groove or a curved groove .