CN210016544U

CN210016544U - Shimmer night vision camera

Info

Publication number: CN210016544U
Application number: CN201921317147.8U
Authority: CN
Inventors: 高君
Original assignee: Shenzhen Hairuiyang Technology Co Ltd
Current assignee: Shenzhen Hairuiyang Technology Co Ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-02-04
Anticipated expiration: 2029-08-14

Abstract

The utility model particularly discloses a low-light-level night vision camera, which comprises a processing chip and a night vision lens component, wherein the night vision lens component is fixed on the processing chip; the night vision lens assembly comprises a lens barrel, an imaging lens, a filter switching device and an optical image intensifier, wherein the lens barrel is fixed on a processing chip, the filter switching device is positioned at the inner top of the lens barrel and is fixed on the processing chip through a light adjusting device, the imaging lens is positioned right below the filter switching device and is fixed on the processing chip through a focusing adjusting device, and the optical image intensifier is positioned right below the imaging lens; the optical filter switching device and the optical image intensifier are both electrically connected with the processing chip. The utility model discloses a shimmer night vision camera flexible operation can adjust the angle and the light of shining night vision camera shooting through light filter auto-change over device in a flexible way, can both ensure the quality of making a video recording to a certain extent in complex environment such as shimmer, dim light.

Description

Shimmer night vision camera

Technical Field

The utility model relates to a camera technical field, concretely relates to shimmer night vision camera.

Background

The low-light level night vision device is a device which utilizes night light of natural world such as weak moonlight, starlight, atmospheric glow, galaxy light and the like at night as illumination, amplifies weak photons reflected by a target by means of a light intensifier and converts the weak photons into a visible image so as to realize night observation. The important part of the low-light night vision device is an optical image intensifier. The device can be applied to equipment for military use, police use, outdoor use, electric power detection, scientific investigation, hunting, observation and the like.

However, the existing cameras are consumer cameras, have poor dark light characteristics, are basically in a state that images cannot be seen in the dark under the condition that a light supplement lamp is not added, cannot meet the requirements of the professional field, and are high in foreign import cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's its dark light characteristic relatively poor, under the condition of not adding the light filling lamp, be in the not enough of the state of image can not be seen in the dark basically, provide a shimmer night vision camera. The glimmer night vision camera can flexibly adjust the illumination angle and light intensity of night vision camera shooting through the optical filter switching device and the optical image intensifier, and can guarantee the camera shooting quality in complex environments such as glimmer and dim light to a certain extent.

The above problems to be solved by the present invention are achieved by the following technical solutions:

a low-light-level night vision camera comprises a processing chip and a night vision lens assembly, wherein the night vision lens assembly is fixed on the processing chip; the night vision lens assembly comprises a lens barrel, an imaging lens, a filter switching device and an optical image intensifier, wherein the lens barrel is fixed on a processing chip, the filter switching device is positioned at the inner top of the lens barrel and is fixed on the processing chip through a light adjusting device, the imaging lens is positioned right below the filter switching device and is fixed on the processing chip through a focusing adjusting device, and the optical image intensifier is positioned right below the imaging lens; the optical filter switching device and the optical image intensifier are both electrically connected with the processing chip.

Preferably, the light ray adjusting device is composed of two filtering adjusting components, and the filtering adjusting components are fixed at the bottom symmetrical positions of the filter switching device; the light filtering adjusting assembly comprises an adjusting motor, an adjusting gear set and an adjusting telescopic rod, the adjusting motor is fixed on the processing chip and is connected with the adjusting telescopic rod through the adjusting gear set, and the adjusting telescopic rod is fixed at the bottom of the light filter switching device.

Preferably, the focusing adjusting device comprises a focusing motor, a focusing gear set, a first focusing telescopic rod, a second focusing telescopic rod, a focusing fixing rod, a connecting block and a supporting plate, the focusing motor is fixed on the processing chip and is connected with the first focusing telescopic rod through the focusing gear set, the second focusing telescopic rod is fixed on the inner wall of the lens barrel through the focusing fixing rod, the supporting plate is connected to the first focusing telescopic rod and the second focusing telescopic rod through the connecting block, and an imaging lens is fixed at the upper end of the supporting plate.

Preferably, the night vision goggle head assembly further comprises a motor controller, the motor controller is positioned right below the optical image intensifier and electrically connected with the adjusting motor and the focusing motor, and the motor controller is electrically connected with the processing chip.

Preferably, the processing chip is electrically connected with a USB interface, and the USB interface is a USB2.0 interface.

Preferably, the processing chip is electrically connected with a memory chip for storing data.

Preferably, the processing chip is electrically connected with a power module for providing power.

Preferably, the lens cone comprises a heat conduction layer, an inner shell, a heat dissipation cavity, an antistatic layer, a heat insulation layer and an outer shell which are fixed from inside to outside.

Preferably, the heat conducting layer is a copper sheet or a copper alloy, and the antistatic layer is an antistatic nylon plate, an antistatic PVC plate or an antistatic PET plate; the heat insulation layer is made of asbestos or aerogel felt.

Has the advantages that: after the structure of the utility model is adopted, the structure is provided with the imaging lens, the optical filter switching device and the optical image intensifier, so that the capability of the camera for acquiring clearer imaging under the complex environments of low light, normal indoor light, dark light and the like can be improved; the optical filter switching device is fixed on the processing chip through the light adjusting device, so that the inclination angles of two ends of the optical filter switching device can be adjusted through an adjusting motor of the light adjusting device to adjust the angle and the light quantity of light entering the camera, and the shooting quality is guaranteed; the imaging lens is fixed on the processing chip through the focusing adjusting device, so that the positions of the imaging lens and a shot object can be controlled to be optimal through the focusing motor, and the shooting quality is improved; and the high and low temperature resistance, the antistatic performance and the heat dissipation performance of the camera are improved through each structural layer of the lens barrel, and the service life is prolonged.

Drawings

Fig. 1 is a schematic view of the main structure of a low-light-level night vision camera according to the present invention.

Fig. 2 is a left main schematic diagram of a low-light night vision camera according to the present invention.

Fig. 3 is a schematic view of a part of the main structure of a low-light-level night vision camera according to the present invention.

Fig. 4 is a cross-sectional structure view of a lens barrel of a low-light night vision camera according to the present invention.

Fig. 5 is a flow chart of the operation of the low-light night vision camera of the present invention.

FIGS. 1 to 5: 1-processing the chip; 2-a night vision lens assembly; 3-a lens barrel; 4-an imaging lens; 5-filter switching means; 6-optical image intensifier; 7-a light ray adjusting device; 8-a focus adjustment device; 9-a power supply module; 10-a memory chip; 11-a USB interface; 12-a filter adjustment assembly; 13-adjusting the motor; 14-an adjusting gear set; 15-adjusting the telescopic rod; 16-a focus motor; 17-a focusing gear set; 18-a first telescopic focusing rod; 19-a second focus telescopic rod; 20-a focus fixing bar; 22-connecting block; 23-a support plate; 24-a motor controller; 25-a thermally conductive layer; 26-an inner shell; 27-a heat dissipation cavity; 28-an antistatic layer; 29-a thermal insulation layer; 30-outer shell.

Detailed Description

The present invention will be described in further detail with reference to the following drawings and specific examples, which are not intended to limit the invention in any manner.

Example 1:

the directional designations of "front", "rear", "left" and "right" described in this specification are determined according to the schematic drawings used in this specification.

A low-light night vision camera as shown in fig. 1-3, comprising a processing chip 1 and a night vision lens assembly 2, wherein the night vision lens assembly 2 is fixed on the processing chip 1; the night vision lens assembly 2 comprises a lens barrel 3, an imaging lens 4, an optical filter switching device 5 and an optical image intensifier 6, wherein the lens barrel 3 is fixed on a processing chip 1, the optical filter switching device 5 is positioned at the inner top of the lens barrel 3 and is fixed on the processing chip 1 through a light adjusting device 7, the imaging lens 4 is positioned under the optical filter switching device 5 and is fixed on the processing chip 1 through a focusing adjusting device 8, and the optical image intensifier 6 is positioned under the imaging lens 4; the optical filter switching device 5 and the optical image intensifier 6 are both electrically connected with the processing chip 1; the optical filter switching device 5 selects an IR-CUT double-optical filter switcher; the optical image intensifier 6 adopts a third generation or a fourth generation optical image intensifier 6; the light ray adjusting device 7 is composed of two filtering adjusting components 12, and the filtering adjusting components 12 are fixed at the bottom symmetrical positions of the filter switching device 5; the filtering adjustment assembly 12 comprises an adjustment motor 13, an adjustment gear set 14 and an adjustment telescopic rod 15, wherein the adjustment motor 13 is fixed on the processing chip 1 and is connected with the adjustment telescopic rod 15 through the adjustment gear set 14, and the adjustment telescopic rod 15 is fixed at the bottom of the optical filter switching device 5; the focusing adjusting device 8 comprises a focusing motor 16, a focusing gear set 17, a first focusing telescopic rod 18, a second focusing telescopic rod 19, a focusing fixing rod 20, a connecting block 22 and a supporting plate 23, wherein the focusing motor 16 is fixed on the processing chip 1 and is connected with the first focusing telescopic rod 18 through the focusing gear set 17, the second focusing telescopic rod 19 is fixed on the inner wall of the lens barrel 3 through the focusing fixing rod 20, the supporting plate 23 is connected with the first focusing telescopic rod 18 and the second focusing telescopic rod 19 through the connecting block 22, and the imaging lens 4 is fixed at the upper end of the supporting plate 23; the adjusting gear set 14 and the focusing gear set 17 are formed by matching a driving gear and a driven gear; the night vision goggle head assembly 2 further comprises a motor controller 24, the motor controller 24 is positioned right below the optical image intensifier 6 and is electrically connected with the adjusting motor 13 and the focusing motor 16, and the motor controller 24 is electrically connected with the processing chip 1; the processing chip 1 is electrically connected with a USB interface 11, and the USB interface is a USB2.0 interface; the processing chip 1 is electrically connected with a storage chip 10 for storing data; the processing chip 1 is electrically connected with a power module 9 for providing power.

The camera workflow shown in fig. 5: when shooting a shot object, imaging the shot object by using an imaging lens, then collecting an image by using an optical image intensifier positioned behind the imaging lens, then transmitting the collected signal to a processing circuit board by using a photosensitive chip, and processing and analyzing the image signal by using the processing circuit board; when the collected environment light is analyzed to be too dark or the image signal is not clear, the processing chip sends a control instruction to the motor controller, the optical filter switching device is switched to the near-infrared optical filter, and the motor is controlled and adjusted according to the requirement so as to adjust the inclination angle of the near-infrared optical filter to the optimal light guide position; meanwhile, the zooming motor controller controls the zooming motor to start, and the position of the imaging lens is adjusted through a series of transmissions; and then a clearer image can be rapidly obtained in a dark environment.

Example 2:

As shown in fig. 4, the low-light night vision camera includes all the technical features of the above embodiments, the lens barrel 3 includes a heat conducting layer 25, an inner shell 26, a heat dissipation cavity 27, an antistatic layer 28, a heat insulating layer 29 and an outer shell 30 fixed from inside to outside; the heat conducting layer 25 is made of copper sheets or copper alloys, and the antistatic layer 28 is made of antistatic nylon plates, antistatic PVC plates or antistatic PET plates; the heat insulation layer 29 is made of asbestos or aerogel felt.

Of course, the above description only expresses certain embodiments of the present invention, and the description thereof is more detailed, but the present invention cannot be interpreted as limiting the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A low-light-level night vision camera comprises a processing chip (1) and is characterized by further comprising a night vision lens assembly (2), wherein the night vision lens assembly (2) is fixed on the processing chip (1); the night vision lens assembly (2) comprises a lens barrel (3), an imaging lens (4), a filter switching device (5) and a light image intensifier (6), the lens barrel (3) is fixed on the processing chip (1), the filter switching device (5) is located at the inner top of the lens barrel (3) and is fixed on the processing chip (1) through a light adjusting device (7), the imaging lens (4) is located right below the filter switching device (5) and is fixed on the processing chip (1) through a focusing adjusting device (8), and the light image intensifier (6) is located right below the imaging lens (4); the optical filter switching device (5) and the optical image intensifier (6) are electrically connected with the processing chip (1).

2. A low-light night vision camera as claimed in claim 1, wherein the light adjusting means (7) is composed of two filter adjusting modules (12), the filter adjusting modules (12) being fixed at symmetrical positions at the bottom of the filter switching means (5); the light filtering adjusting assembly (12) comprises an adjusting motor (13), an adjusting gear set (14) and an adjusting telescopic rod (15), the adjusting motor (13) is fixedly arranged on the processing chip (1) and is connected with the adjusting telescopic rod (15) through the adjusting gear set (14), and the adjusting telescopic rod (15) is fixedly arranged at the bottom of the light filter switching device (5).

3. A low-light-level night vision camera as claimed in claim 1, wherein the focusing adjustment device (8) comprises a focusing motor (16), a focusing gear set (17), a first focusing telescopic rod (18), a second focusing telescopic rod (19), a focusing fixing rod (20), a connecting block (22) and a supporting plate (23), the focusing motor (16) is fixed on the processing chip (1) and connected with the first focusing telescopic rod (18) through the focusing gear set (17), the second focusing telescopic rod (19) is fixed on the inner wall of the lens barrel (3) through the focusing fixing rod (20), the supporting plate (23) is connected on the first focusing telescopic rod (18) and the second focusing telescopic rod (19) through the connecting block (22), and the imaging lens (4) is fixed at the upper end of the supporting plate (23).

4. A low-light night vision camera as claimed in claim 1, characterized in that the night vision lens assembly (2) further comprises a motor controller (24), the motor controller (24) being located directly below the optical image intensifier (6) and being electrically connected to the adjustment motor (13) and the focusing motor (16), the motor controller (24) being electrically connected to the processing chip (1).

5. A low-light night vision camera as claimed in claim 1, wherein the processing chip (1) is electrically connected to a USB interface (11), and the USB interface (11) is a USB2.0 interface.

6. A low-light night vision camera as claimed in claim 1, characterized in that the processing chip (1) is electrically connected to a memory chip (10) for storing data.

7. A low-light night vision camera as claimed in claim 1, characterized in that the processing chip (1) is electrically connected with a power module (9) for supplying power.

8. A low-light night vision camera as claimed in claim 1, characterized in that the lens barrel (3) comprises a heat conducting layer (25), an inner shell (26), a heat dissipation cavity (27), an antistatic layer (28), a heat insulating layer (29) and an outer shell (30) fixed from inside to outside.

9. A low-light-level night vision camera as claimed in claim 8, wherein the heat conducting layer (25) is made of copper sheet or copper alloy, and the antistatic layer (28) is made of antistatic nylon plate or antistatic PVC plate or antistatic PET plate; the heat insulation layer (29) is made of asbestos or aerogel felt.