CN212875607U - Double-drive stepping motor combined structure - Google Patents
Double-drive stepping motor combined structure Download PDFInfo
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- CN212875607U CN212875607U CN202021700788.4U CN202021700788U CN212875607U CN 212875607 U CN212875607 U CN 212875607U CN 202021700788 U CN202021700788 U CN 202021700788U CN 212875607 U CN212875607 U CN 212875607U
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Abstract
The utility model discloses a double-drive stepping motor composite structure, which comprises a zooming drive motor component, a focusing drive motor component, an induction grating component and a FPC flexible circuit board, wherein the zooming drive motor component comprises a zooming drive mounting bracket and a zooming drive stepping motor; the induction grating assembly comprises a left grating fixing plate positioned on the left end side of the zooming driving mounting bracket and a right grating fixing plate positioned on the right end side of the focusing driving mounting bracket, wherein the left grating fixing plate is provided with a left induction grating, and the right grating fixing plate is provided with a right induction grating; the FPC flexible circuit board comprises a base material and copper foil circuits, and each stepping motor and each induction grating are electrically connected with the copper foil circuits of the FPC flexible circuit board respectively. Through the structure design, the utility model has the advantages of novel in design, compact structure, precision are high.
Description
Technical Field
The utility model relates to a camera lens technical field especially relates to a two step motor integrated configuration that drive.
Background
As a main device for security monitoring, security cameras are widely used in daily life of people; for the existing security camera lens, a corresponding driving structure is generally installed, namely the driving structure drives the security camera lens to rotate within a certain angle range, so that the effect of large-angle camera monitoring of the security camera lens is met.
For an image pickup lens, it is generally driven by a stepping motor to realize a fusion focus action, and there are various lens focus and zoom driving stepping motor products in the prior art. However, the existing local zoom driving stepping motor product applied to the camera lens generally has the defect of unreasonable design.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two step motor integrated configuration that drive to prior art not enough, this two step motor integrated configuration that drive design is novel, compact structure, precision are high.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A double-drive stepping motor combination structure comprises a zooming drive motor assembly and a focusing drive motor assembly which is positioned on the right end side of the zooming drive motor assembly and is arranged at an interval with the zooming drive motor assembly, wherein the zooming drive motor assembly comprises a zooming drive mounting bracket and a zooming drive stepping motor which is fixedly mounted on the zooming drive mounting bracket;
the double-drive stepping motor combined structure further comprises an induction grating assembly and an FPC (flexible printed circuit) flexible circuit board, wherein the induction grating assembly comprises a left grating fixing plate positioned on the left end side of the zooming drive mounting bracket and a right grating fixing plate positioned on the right end side of the focusing drive mounting bracket, the left grating fixing plate is provided with a left induction grating, and the right grating fixing plate is provided with a right induction grating;
the FPC flexible circuit board comprises a base material and a copper foil circuit arranged inside the base material, wherein the zooming driving stepping motor, the focusing driving stepping motor, the left side induction grating and the right side induction grating are respectively and electrically connected with the copper foil circuit of the FPC flexible circuit board.
Wherein the zoom driving stepping motor is a 9-degree stepping motor.
Wherein the focus drive stepping motors are 9-degree stepping motors respectively.
The zoom drive mounting bracket, the focus drive mounting bracket, the left grating fixing plate and the right grating fixing plate are respectively provided with screw fixing holes.
The utility model has the advantages that: the utility model relates to a double-drive stepping motor composite structure, which comprises a zooming drive motor component and a focusing drive motor component which is positioned at the right end side of the zooming drive motor component and is arranged at intervals with the zooming drive motor component, wherein the zooming drive motor component comprises a zooming drive mounting bracket and a zooming drive stepping motor which is tightly mounted on the zooming drive mounting bracket; the double-drive stepping motor combined structure further comprises an induction grating assembly and an FPC (flexible printed circuit) flexible circuit board, wherein the induction grating assembly comprises a left grating fixing plate positioned on the left end side of the zooming drive mounting bracket and a right grating fixing plate positioned on the right end side of the focusing drive mounting bracket, the left grating fixing plate is provided with a left induction grating, and the right grating fixing plate is provided with a right induction grating; the FPC flexible circuit board comprises a base material and a copper foil circuit arranged inside the base material, wherein the zooming driving stepping motor, the focusing driving stepping motor, the left side induction grating and the right side induction grating are respectively and electrically connected with the copper foil circuit of the FPC flexible circuit board. Through the structure design, the utility model has the advantages of novel in design, compact structure, precision are high.
Drawings
The invention will be further described with reference to the drawings, but the embodiments in the drawings do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of another view angle of the present invention.
Included in fig. 1 and 2 are:
1-zoom drive motor assembly 11-zoom drive mounting bracket
12-zoom drive stepping motor 2-focus drive motor assembly
21-Focus drive mounting bracket 22-Focus drive stepping Motor
311 left grating fixing plate 312 left induction grating
321-right grating fixing plate 322-right induction grating
4-FPC flexible circuit board 5-screw fixing hole.
Detailed Description
The present invention will be described with reference to specific embodiments.
As shown in fig. 1 and fig. 2, a dual-drive stepping motor assembly structure includes a zooming driving motor assembly 1, and a focusing driving motor assembly 2 located at the right end side of the zooming driving motor assembly 1 and spaced from the zooming driving motor assembly 1, wherein the zooming driving motor assembly 1 includes a zooming driving mounting bracket 11 and a zooming driving stepping motor 12 fastened to the zooming driving mounting bracket 11, and the focusing driving motor assembly 2 includes a focusing driving mounting bracket 21 and a focusing driving stepping motor 22 fastened to the focusing driving mounting bracket 21.
The double-drive stepping motor combined structure further comprises an induction grating assembly and an FPC (flexible printed circuit) board 4, wherein the induction grating assembly comprises a left grating fixing plate 311 positioned on the left end side of the zooming drive mounting bracket 11 and a right grating fixing plate 321 positioned on the right end side of the focusing drive mounting bracket 21, the left induction grating 312 is installed on the left grating fixing plate 311, and the right induction grating 322 is installed on the right grating fixing plate 321.
Further, the FPC flexible circuit board 4 includes a base material and a copper foil circuit disposed inside the base material, and the zoom driving stepping motor 12, the focus driving stepping motor 22, the left side induction grating 312, and the right side induction grating 322 are electrically connected to the copper foil circuit of the FPC flexible circuit board 4, respectively.
It is further noted that the zoom driving stepping motor 12 is a 9-degree stepping motor; likewise, the focus drive stepping motors 22 are 9-degree stepping motors, respectively.
It should be explained that, as shown in fig. 1 and fig. 2, the zoom drive mounting bracket 11, the focus drive mounting bracket 21, the left grating fixing plate 311, and the right grating fixing plate 321 are respectively provided with screw fixing holes 5. The utility model discloses the fixed in-process of installation, the drive installing support 11 zooms, focus drive installing support 21, left side grating fixed plate 311, the screw fixation hole 5 of right side grating fixed plate 321 installs the locking screw respectively, zooms drive installing support 11 promptly, focus drive installing support 21, left side grating fixed plate 311, right side grating fixed plate 321 and installs in camera lens's fixed mounting position through the locking screw fastening respectively.
For the FPC flexible circuit board 4 of the present invention, the copper foil circuit provided inside the substrate is also electrically connected to the controller of the camera lens; when the camera lens works, the controller is electrically connected with the zooming driving stepping motor 12, the focusing driving zooming motor, the left side induction grating 312 and the right side induction grating 322 through the FPC 4 respectively.
The utility model discloses in the course of the work, drive step motor 12 zooms is used for driving the camera lens to zoom, and focus drive step motor 22 is used for driving the camera lens focus, and drive step motor 12 zooms, focus drive step motor 22 actuate simultaneously and can reach and become the focus function. It is emphasized that, the utility model discloses a drive step motor 12 zooms, focus drive step motor 22 are 9 degrees step motor respectively, compare in 18 degrees step motor, the utility model discloses a step precision can promote 2 times.
In addition, during the operation of the present invention, the left sensing grating 312 is used for sensing the zoom reset position, and the right sensing grating 322 is used for sensing the focus reset position; for traditional mechanical nature hits wall reset structure, the utility model discloses a grating response resets and has higher positioning accuracy, can improve mechanism moving accurate step promptly, and then makes the camera lens formation of image more clear, is particularly suitable for high-end camera lens product.
Synthesize above-mentioned circumstances and know, through above-mentioned structural design, the utility model has the advantages of novel in design, compact structure, precision are high.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (4)
1. The utility model provides a two step motor integrated configuration that drive which characterized in that: the zoom driving motor assembly comprises a zoom driving motor assembly (1) and a focus driving motor assembly (2) which is positioned at the right end side of the zoom driving motor assembly (1) and is arranged at intervals with the zoom driving motor assembly (1), wherein the zoom driving motor assembly (1) comprises a zoom driving mounting bracket (11) and a zoom driving stepping motor (12) fixedly mounted on the zoom driving mounting bracket (11), and the focus driving motor assembly (2) comprises a focus driving mounting bracket (21) and a focus driving stepping motor (22) fixedly mounted on the focus driving mounting bracket (21);
the double-drive stepping motor combined structure further comprises an induction grating assembly and an FPC (flexible printed circuit) board (4), wherein the induction grating assembly comprises a left grating fixing plate (311) positioned on the left end side of the zooming drive mounting bracket (11) and a right grating fixing plate (321) positioned on the right end side of the focusing drive mounting bracket (21), the left induction grating (312) is arranged on the left grating fixing plate (311), and the right induction grating (322) is arranged on the right grating fixing plate (321);
the FPC flexible circuit board (4) comprises a base material and a copper foil circuit arranged inside the base material, and the zooming driving stepping motor (12), the focusing driving stepping motor (22), the left side induction grating (312) and the right side induction grating (322) are respectively and electrically connected with the copper foil circuit of the FPC flexible circuit board (4).
2. The dual drive stepper motor assembly as defined in claim 1, wherein: the zooming driving stepping motor (12) is a 9-degree stepping motor.
3. The dual drive stepper motor assembly as defined in claim 1, wherein: the focus drive stepping motors (22) are 9-degree stepping motors respectively.
4. The dual drive stepper motor assembly as defined in claim 1, wherein: the zoom drive mounting bracket (11), the focus drive mounting bracket (21), the left grating fixing plate (311) and the right grating fixing plate (321) are respectively provided with a screw fixing hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021700788.4U CN212875607U (en) | 2020-08-15 | 2020-08-15 | Double-drive stepping motor combined structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021700788.4U CN212875607U (en) | 2020-08-15 | 2020-08-15 | Double-drive stepping motor combined structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212875607U true CN212875607U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021700788.4U Active CN212875607U (en) | 2020-08-15 | 2020-08-15 | Double-drive stepping motor combined structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212875607U (en) |
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2020
- 2020-08-15 CN CN202021700788.4U patent/CN212875607U/en active Active
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