CN106292133A - A kind of shooting projection integrative-structure and method - Google Patents

Abstract

An integrated structure and method for photographing and projection, comprising a lens group, a reflective plane parallel to the main optical axis of the lens group is arranged under the lens group, the bottom of the reflective plane is connected to a hinge, and can be rotated on the hinge to be aligned with the lens group The main optical axis forms an included angle, and a photosensitive device is arranged under the reflective plane. Neel lens, when the reflective plane is parallel to the main optical axis of the lens group, the light of the subject is focused on the target surface of the photosensitive device after being focused by the lens group, and the photosensitive device samples and digitizes the light to complete the shooting function, and the reflective plane is placed obliquely. The light projected by the projection illuminant is focused by the Fresnel lens, reflected by the reflective plane, and focused by the lens group, and then projected onto the external projection surface for imaging to complete the projection function. It has the characteristics of high integration, simple structure, and easy operation.

Description

A shooting and projection integrated structure and method

technical field

The invention relates to the technical field of projection display, in particular to an integrated structure and method for shooting and projection.

Background technique

Existing shooting devices and projection devices are all independent structures, and some digital cameras and digital video cameras are additionally equipped with a set of structures for projection. Its working principle is that the shooting function and the projection function need to work independently, and the user needs to use two kinds of equipment, which has the disadvantages of inconvenient use, high cost, and large size, especially for outdoor adventures, scientific research and other occasions that require high volume and integration , will bring a lot of inconvenience to users.

Contents of the invention

In order to overcome the deficiencies of the above-mentioned prior art, the object of the present invention is to propose a shooting and projection integrated structure and method, which can combine the shooting and projection structures into one, and flexibly switch the shooting and projection functions according to the needs of use, with small size and high integration. It has the characteristics of high height, simple structure, easy operation and wide application.

In order to achieve the above object, the technical scheme adopted in the present invention is:

An integrated structure for shooting and projection, including a lens group 1 with the functions of focusing and adjusting the focal length, a reflective plane 2 parallel to the main optical axis 7 of the lens group 1 is arranged under the lens group 1, and the right side of the reflective plane 2 is a mirror surface The reflective surface, the bottom of the reflective plane 2 is connected to the hinge 6, and can rotate around the hinge 6 to form an angle with the main optical axis 7 of the lens group 1, and the angle can ensure that the light projected by the projection illuminant 5 is reflected Plane 2 is reflected to lens group 1;

A photosensitive device 3 is arranged below the reflective plane 2, the target surface of the photosensitive device 3 is perpendicular to the main optical axis 7 of the lens group 1, and the distance between the target surface of the photosensitive device 3 and the lens group 1 should ensure that the external projection After the light is focused by the lens group 1, a clear image can be formed on the target surface of the photosensitive device 3;

The right side of the reflective plane 2 is provided with a projecting illuminant 5, and between the projecting illuminant 5 and the reflective plane 2, a Fresnel lens 4 is vertically arranged, and the distance between the Fresnel lens 4 and the projecting illuminant 5 should be guaranteed to be within The side of the Fresnel lens 4 away from the projection illuminant 5 can form a clear image.

The lens group 1 is a camera lens, a video camera lens or a projector lens, and the lens group 1 can perform functions of focusing and adjusting focal length under the driving action of other mechanisms.

The photosensitive device 3 is a digital photosensitive device, and its function is to sample and digitize the light focused by the lens group 1 on the target surface of the photosensitive device 3 .

The photosensitive device 3 adopts an area array photosensitive device.

The function of the Fresnel lens 4 is to converge and focus the light projected by the projection illuminant 5 .

The projection illuminant 5 is a device for generating projected light, which is used to generate a desired display image.

The lens group 1, the photosensitive device 3, the Fresnel lens 4, the projection illuminant 5, and the hinge 6 should all be fixedly installed, and keep their relative positions unchanged.

A shooting and projection method, the shooting mode includes the following steps: the reflective plane 2 is rotated to a position parallel to the main optical axis 7 of the lens group 1 with the hinge 6 as the axis, and after the light of the object 8 is focused by the lens group 1, the A clear image is formed on the target surface of the photosensitive device 3, and the photosensitive device 3 samples and digitizes the light to complete the shooting function;

The projection mode includes the following steps: rotate the reflective plane 2 around the hinge 6 to form an angle with the main optical axis 7 of the lens group 1, and the angle can ensure that the light projected by the projection illuminant 5 is reflected by the reflective plane 2 to Lens group 1, the light projected by the projection illuminant 5 is focused by the Fresnel lens 4, reflected by the reflective plane 2, and then projected onto the external projection surface 9 after being focused by the lens group 1 to form a clear image and complete the projection function .

The invention utilizes the reversible principle of the optical path to integrate the shooting function and the projection function into a set of structures. The shooting and projection modes use the lens group and the reflective plane together. The shared optical part makes the overall structure of the device more compact and efficient, and the integration degree is higher. Small in size, simple in structure, and low in cost; users can freely switch between the shooting function and projection function according to their needs, and it has the characteristics of easy operation and wide application.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the shooting mode of the present invention.

Fig. 3 is a principle diagram of the projection mode of the present invention.

detailed description

The present invention will be described in further detail below in conjunction with the accompanying drawings.

Referring to Fig. 1, a shooting and projection integrated structure includes a lens group 1 with functions of focusing and adjusting the focal length. The lens group 1 is a camera lens or a camera lens or a projector lens. The lens group 1 can be driven by other mechanisms Complete the focus and adjust the focal length function. A reflective plane 2 parallel to the main optical axis 7 of the lens group 1 is provided below the lens group 1, the right side of the reflective plane 2 is a specular reflection surface, and the bottom of the reflective plane 2 is connected to the hinge 6, and the hinge 6 can be used as the axis Rotate to form an included angle with the main optical axis 7 of the lens group 1 , the included angle can ensure that the light projected by the projection illuminant 5 is reflected to the lens group 1 by the reflective plane 2 .

A photosensitive device 3 is arranged below the reflective plane 2, and the target surface of the photosensitive device 3 is kept perpendicular to the main optical axis 7 of the lens group 1. The distance between the target surface of the photosensitive device 3 and the lens group 1 should ensure that the outer The projected light can form a clear image on the target surface of the photosensitive device 3 after being focused by the lens group 1 . The photosensitive device 3 adopts an area-array photosensitive device, and its function is to sample and digitize the light focused by the lens group 1 on the target surface of the photosensitive device 3 .

The right side of the reflective plane 2 is provided with a projection illuminant 5 capable of producing projection light, and a Fresnel lens 4 is vertically arranged between the projection illuminant 5 and the reflective plane 2, and the Fresnel lens 4 is used to project light The light projected by the body 5 is converged and focused, and a clear image is formed on the side of the Fresnel lens 4 away from the projection illuminant 5. The projection illuminant 5 is a generating device for projection light, and its function is to generate the required display. picture.

The lens group 1, the photosensitive device 3, the Fresnel lens 4, the projection illuminant 5, and the hinge 6 should all be fixedly installed, and keep their relative positions unchanged.

A shooting projection method, comprising the following steps:

Reflective Plane 2 has two working positions:

Figure 2 is a schematic diagram of the shooting mode. Shooting mode: rotate the reflective plane 2 around the hinge 6 to a position parallel to the main optical axis 7 of the lens group 1. When the reflective plane 2 is in this position, it blocks the light path of the projected part and opens it for shooting. Light channel. At this time, the light from the object 8 is focused by the lens group 1 to form a clear image on the target surface of the photosensitive device 3. The photosensitive device 3 samples and digitizes the light to complete the shooting function.

Figure 3 is a schematic diagram of the projection mode. Projection mode: rotate the reflective plane 2 around the hinge 6 to form a 45° angle with the main optical axis 7 of the lens group 1. At this time, the reflective plane 2 blocks the shooting optical path and opens at the same time. Projection light path. The light projected by the projection illuminant 5 is focused by the Fresnel lens 4, reflected by the reflective plane 2, focused by the lens group 1, and then projected onto the external projection surface 9 to form a clear image and complete the projection function.

Claims (8)

1. a shooting projection integrative-structure, including having the battery of lens (1) focusing on and focusing function, it is characterised in that The lower section of battery of lens (1) is provided with the reflective plane (2) parallel with the primary optical axis of battery of lens (1) (7), described reflective plane (2) Right side is mirror reflection surface, and reflective plane (2) bottom is connected with hinge (6), and can be that axle rotates extremely and lens with hinge (6) The primary optical axis (7) of group (1) forms angle, and described angle ensure that light that projection luminous body (5) projects is by reflective plane (2) battery of lens (1) is reflexed to；

The lower section of described reflective plane (2) is provided with sensor devices (3), the target surface of described sensor devices (3) and battery of lens (1) Primary optical axis (7) is vertical, and the target surface of described sensor devices (3) and the distance of battery of lens (1) should ensure that outside throw light is through thoroughly Mirror group (1) focus on after can be formed on the target surface of sensor devices (3) clearly as；

Described reflective plane (2) right side is provided with projection luminous body (5), vertical between projection luminous body (5) and reflective plane (2) Being provided with Fresnel Lenses (4), described Fresnel Lenses (4) should ensure that at Fresnel Lenses with the distance of projection luminous body (5) (4) away from projection luminous body (5) side can be formed clearly as.

A kind of shooting projection integrative-structure the most according to claim 1, it is characterised in that described battery of lens (1) is photograph Machine camera lens or camera lens or projector lens, described battery of lens (1) can complete to gather under the driving effect of other mechanisms Burnt and focus function.

A kind of shooting projection integrative-structure the most according to claim 1, it is characterised in that described sensor devices (3) is number Code sensor devices, its function is that the light of the target surface that battery of lens (1) is focused on sensor devices (3) carries out sampling and digitized.

A kind of shooting projection integrative-structure the most according to claim 3, it is characterised in that described sensor devices (3) uses Planar array type sensor devices.

A kind of shooting projection integrative-structure the most according to claim 1, it is characterised in that described Fresnel Lenses (4) Effect is to carry out converging by the light that projection luminous body (5) projects focusing on.

A kind of shooting projection integrative-structure the most according to claim 1, it is characterised in that described projection luminous body (5) is The generator of projection ray, its picture acting as producing the display needed.

A kind of shooting projection integrative-structure the most according to claim 1, it is characterised in that described battery of lens (1), photoreceptors Part (3), Fresnel Lenses (4), projection luminous body (5), hinge (6) all should fixedly mount, and keep relative invariant position.

8. a shooting projecting method, it is characterised in that screening-mode comprises the steps: reflective plane (2) with hinge (6) For axle rotate to battery of lens (1) primary optical axis (7) parallel position, the focusing through battery of lens (1) of the light of subject (8) After, the target surface of sensor devices (3) is formed clearly as, light is sampled and digitized by sensor devices (3), complete clap Camera shooting function；

Projection mode comprise the steps: by reflective plane (2) with hinge (6) be axle rotate to the primary optical axis of battery of lens (1) (7) forming angle, described angle ensure that the light that projection luminous body (5) projects is reflexed to lens by reflective plane (2) Group (1), the light that projection luminous body (5) projects, after Fresnel Lenses (4) focuses on, reflects through reflective plane (2), then Through battery of lens (1) focus on after project on outer projections face (9), formed clearly as, complete projecting function.