CN205539897U - Projecting apparatus photoelectricity auto focus device - Google Patents
Projecting apparatus photoelectricity auto focus device Download PDFInfo
- Publication number
- CN205539897U CN205539897U CN201620182527.5U CN201620182527U CN205539897U CN 205539897 U CN205539897 U CN 205539897U CN 201620182527 U CN201620182527 U CN 201620182527U CN 205539897 U CN205539897 U CN 205539897U
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- synchronising
- rod
- driving pawl
- lead screw
- ray machine
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Abstract
The utility model relates to a projecting apparatus technical field that focuses specifically indicates a projecting apparatus photoelectricity auto focus device. Including quick -witted case, camera module and ray apparatus on the quick -witted case, one side of ray apparatus is equipped with the motor case, and the motor incasement is equipped with lead screw motor, driving pawl and synchronous connecting rod, and the driving pawl is connected with the lead screw through -drive on the lead screw motor, and the cooperation of driving pawl and synchronous connecting rod one end is connected, the lens support fixed connection that focuses of the synchronous connecting rod other end and ray apparatus, the machine incasement is equipped with the control winding displacement, and ray apparatus and lead screw motor are connected respectively through the control winding displacement to the camera module. The utility model discloses rational in infrastructure, the camera module makes the lead screw motor rotate through control winding displacement output signal, and then the driving pawl slides the focusing lens that drives on the ray apparatus along the lead screw axle around and realize the focal length setting, and the image circumstances of ray apparatus is judged to the camera module according to the image algorithm simultaneously to the realization is focused automaticly and the focusing precision, avoids manual operation's instability to reduce the projection quality.
Description
Technical field
This utility model relates to projector focusing technical field, refers specifically to a kind of projector photoelectricity automatic focusing mechanism.
Background technology
Projector is a kind of can be connected to play corresponding video signal by different interfaces, be widely used in various family, office, school and public place of entertainment by equipment on image or VIDEO PROJECTION to curtain.The mode of the projector focusing above existing market is all manually to stir the focusing handle of ray machine so that focus lens moves to suitable position and obtains projection picture clearly.This focusing mode needs staff to operate, obtain image clearly and to move the suitable position of focus lens searching by manual operation focusing handle repeatedly, comparatively laborious time-consuming, and staff operation is not the most accurate motion, it is thus achieved that image be not the most image the most clearly.Therefore, prior art has yet to be improved and developed.
Summary of the invention
The purpose of this utility model is the defect for prior art and deficiency, it is provided that a kind of compact conformation, the projector photoelectricity automatic focusing mechanism that easy to adjust, focusing precision is high.
To achieve these goals, this utility model is by the following technical solutions:
A kind of projector photoelectricity automatic focusing mechanism described in the utility model, including cabinet, camera model and ray machine on cabinet, the side of described ray machine is provided with motor housing, lead screw motor, driving pawl and synchronising (connecting) rod it is provided with in motor housing, driving pawl is in transmission connection with the screw axis in lead screw motor, and driving pawl is connected with synchronising (connecting) rod one end fits, and the synchronising (connecting) rod other end is fixing with the focusing lens supports of ray machine to be connected；Being provided with control winding displacement in described cabinet, camera model connects ray machine and lead screw motor respectively by controlling winding displacement.
According to above scheme, the opening clamp region setting that described synchronising (connecting) rod is " U "-shaped, the opening of synchronising (connecting) rod is provided with pilot hole, and the other end of synchronising (connecting) rod is fixing with the focusing lens supports of ray machine to be connected；The rear end of described driving pawl is provided with connecting shaft, and interior and connecting shaft the two ends of opening that driving pawl is located at synchronising (connecting) rod are hinged with corresponding pilot hole respectively.
According to above scheme, being provided with limit spring between described driving pawl and synchronising (connecting) rod, limit spring is sheathed in connecting shaft, and the two ends of limit spring are connected with driving pawl and synchronising (connecting) rod respectively.
According to above scheme, described ray machine is provided with hand regulator, and hand regulator is connected with the focusing lens supports on ray machine, and the described synchronising (connecting) rod other end coordinates the setting in synchronous interaction with hand regulator.
This utility model has the beneficial effect that this utility model is rational in infrastructure, camera module makes lead screw motor rotate by controlling winding displacement output signal, and then driving pawl drives the focusing eyeglass on ray machine to realize focus adjustment along screw axis slide anteroposterior, camera module judges the image conditions of ray machine according to image algorithm simultaneously, thus realizing focus automatization and focusing accuracy, it is to avoid manually-operated unstability reduces projection quality.
Accompanying drawing explanation
Fig. 1 is overall detonation configuration schematic diagram of the present utility model；
Fig. 2 is part section structural representation of the present utility model；
Fig. 3 is this utility model plan cross-section structural representation.
In figure:
1, cabinet；2, camera model；3, ray machine；4, lead screw motor；5, driving pawl；6, synchronising (connecting) rod；7, limit spring；11, motor housing；12, winding displacement is controlled；51, connecting shaft；61, pilot hole.
Detailed description of the invention
With embodiment, the technical solution of the utility model is illustrated below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of projector photoelectricity automatic focusing mechanism described in the utility model, including cabinet 1, camera model 2 and ray machine 3 on cabinet 1, the side of described ray machine 3 is provided with motor housing 11, is provided with lead screw motor 4, driving pawl 5 and synchronising (connecting) rod 6 in motor housing 11, and driving pawl 5 is in transmission connection with the screw axis in lead screw motor 4, and driving pawl 5 is connected with synchronising (connecting) rod 6 one end fits, synchronising (connecting) rod 6 other end is fixing with the focusing lens supports of ray machine 3 to be connected；Being provided with control winding displacement 12 in described cabinet 1, camera model 2 connects ray machine 3 and lead screw motor 4 respectively by controlling winding displacement 12；Described lead screw motor 4 is secured transverse in motor housing 11, driving pawl 5 and the leading screw engaged transmission of lead screw motor 4, driving pawl 5 is by synchronising (connecting) rod 6 and being connected between focus lens on ray machine 3, and then camera model 2 exports control signal by controlling winding displacement 12 to lead screw motor 4, lead screw motor 4 rotates and makes driving pawl 5, focusing lens supports on synchronising (connecting) rod 6 and ray machine 3 moves, picture signal on ray machine 3 is transferred to camera model 2 by control winding displacement 12 again, camera model 2 is judged by image algorithm and adjusts the rotation amplitude of lead screw motor 4, thus improve the image adjustment quality of projector, avoid the low precision that manual adjustment produces, inefficient problem.
The opening clamp region setting that described synchronising (connecting) rod 6 is " U "-shaped, the opening of synchronising (connecting) rod 6 is provided with pilot hole 61, and the other end of synchronising (connecting) rod 6 is fixing with the focusing lens supports of ray machine 3 to be connected；The rear end of described driving pawl 5 is provided with connecting shaft 51, and interior and connecting shaft 51 the two ends of opening that driving pawl 5 is located at synchronising (connecting) rod 6 are hinged with corresponding pilot hole 61 respectively；Described synchronising (connecting) rod 6 horizontally set is the most hinged with driving pawl 5 by two end plates of opening, the screw thread bayonet socket of driving pawl 5 front end engages with lead screw motor 4, and then lead screw motor 4 rotates the focusing lens supports transverse translation made on driving pawl 5, synchronising (connecting) rod 6 and ray machine 3, realize the purpose of focusing focus adjustment, improve auto-focusing precision and the regulation efficiency of projector.
Being provided with limit spring 7 between described driving pawl 5 and synchronising (connecting) rod 6, limit spring 7 is sheathed in connecting shaft 51, and the two ends of limit spring 7 are connected with driving pawl 5 and synchronising (connecting) rod 6 respectively.
Described ray machine 3 is provided with hand regulator, and hand regulator is connected with the focusing lens supports on ray machine 3, and described synchronising (connecting) rod 6 other end coordinates the setting in synchronous interaction with hand regulator.
The above is only better embodiment of the present utility model, therefore all equivalence changes done according to structure, feature and the principle described in this utility model patent claim or modification, all it is included in this utility model patent claim.
Claims (4)
1. a projector photoelectricity automatic focusing mechanism, including cabinet (1), the upper camera model (2) of cabinet (1) and ray machine (3), it is characterized in that: the side of described ray machine (3) is provided with motor housing (11), lead screw motor (4), driving pawl (5) and synchronising (connecting) rod (6) it is provided with in motor housing (11), driving pawl (5) is in transmission connection with the screw axis in lead screw motor (4), and driving pawl (5) is connected with synchronising (connecting) rod (6) one end fits, synchronising (connecting) rod (6) other end is fixing with the focusing lens supports of ray machine (3) to be connected；Being provided with control winding displacement (12) in described cabinet (1), camera model (2) connects ray machine (3) and lead screw motor (4) respectively by controlling winding displacement (12).
Projector photoelectricity automatic focusing mechanism the most according to claim 1, it is characterized in that: the opening clamp region setting that described synchronising (connecting) rod (6) is " U "-shaped, the opening of synchronising (connecting) rod (6) is provided with pilot hole (61), and the other end of synchronising (connecting) rod (6) is fixing with the focusing lens supports of ray machine (3) to be connected；The rear end of described driving pawl (5) is provided with connecting shaft (51), and interior and connecting shaft (51) the two ends of opening that driving pawl (5) is located at synchronising (connecting) rod (6) are hinged with corresponding pilot hole (61) respectively.
Projector photoelectricity automatic focusing mechanism the most according to claim 2, it is characterized in that: between described driving pawl (5) and synchronising (connecting) rod (6), be provided with limit spring (7), limit spring (7) is sheathed in connecting shaft (51), and the two ends of limit spring (7) are connected with driving pawl (5) and synchronising (connecting) rod (6) respectively.
Projector photoelectricity automatic focusing mechanism the most according to claim 2, it is characterized in that: described ray machine (3) is provided with hand regulator, and hand regulator is connected with the focusing lens supports on ray machine (3), described synchronising (connecting) rod (6) other end coordinates the setting in synchronous interaction with hand regulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620182527.5U CN205539897U (en) | 2016-03-10 | 2016-03-10 | Projecting apparatus photoelectricity auto focus device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620182527.5U CN205539897U (en) | 2016-03-10 | 2016-03-10 | Projecting apparatus photoelectricity auto focus device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539897U true CN205539897U (en) | 2016-08-31 |
Family
ID=56781330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620182527.5U Expired - Fee Related CN205539897U (en) | 2016-03-10 | 2016-03-10 | Projecting apparatus photoelectricity auto focus device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205539897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094401A (en) * | 2016-07-26 | 2016-11-09 | 深圳Tcl数字技术有限公司 | The focusing structure of micro-throwing display device and micro-throwing display device |
| CN115407598A (en) * | 2022-09-29 | 2022-11-29 | 深圳市影冠科技有限公司 | Automatic focusing lens for projector and projector |
-
2016
- 2016-03-10 CN CN201620182527.5U patent/CN205539897U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106094401A (en) * | 2016-07-26 | 2016-11-09 | 深圳Tcl数字技术有限公司 | The focusing structure of micro-throwing display device and micro-throwing display device |
| CN106094401B (en) * | 2016-07-26 | 2019-02-01 | 深圳Tcl数字技术有限公司 | Micro- focusing structure for throwing display device and micro- throwing display device |
| CN115407598A (en) * | 2022-09-29 | 2022-11-29 | 深圳市影冠科技有限公司 | Automatic focusing lens for projector and projector |
| CN115407598B (en) * | 2022-09-29 | 2024-04-19 | 深圳市影冠科技有限公司 | Automatic focusing lens for projector and projector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20200310 |