CN210246885U

CN210246885U - Night vision recorder and night vision law enforcement recorder

Info

Publication number: CN210246885U
Application number: CN201921540693.8U
Authority: CN
Inventors: Jiusheng Zhang; 张玖生; Qiongdong Liang; 梁琼栋
Original assignee: Shenzhen Jingwah Information Technology Co ltd
Current assignee: Shenzhen Jingwah Information Technology Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-04-03
Anticipated expiration: 2029-09-17

Abstract

A night vision recording device comprising: the device comprises a camera lens module used for receiving reflected light of the surface of an object and focusing the reflected light to generate a focused reflected light signal, a photosensitive sensor used for converting the focused reflected light signal into an electric signal, and a main control module used for receiving the electric signal and converting the electric signal into a video image. The utility model discloses still relate to the night vision law enforcement record appearance that adopts this night vision recorder. Implement the utility model discloses a night vision recorder and night vision law enforcement record appearance through lens focus external light, consequently does not need the initiative light source, can have the wide, the video recording distance of video recording angle simultaneously concurrently and image color reduction function.

Description

Night vision recorder and night vision law enforcement recorder

Technical Field

The utility model relates to a law enforcement record appearance field, more specifically say, relate to a night vision recorder and night vision law enforcement record appearance.

Background

The public security police officer law enforcement needs to record the field law enforcement process in real time so as to provide effective field image data for case commanding, detecting and evidence obtaining of inspection authorities. When the light of the environment of the law enforcement site is insufficient, the effective record of the law enforcement situation on the site can not be smoothly carried out. Therefore, the law enforcement equipment carried by the law enforcement personnel must have a good night vision function to ensure the smooth execution of the law enforcement work of the public security officers, so as to provide guarantee for acquiring effective high-reduction image data.

The infrared law enforcement recorder in the prior art can adopt an infrared lamp to artificially generate infrared radiation, generate infrared light which cannot be seen by human eyes but can be captured by a common camera, radiate and illuminate scenery and environment, so that the camera capable of automatically changing colors at night in the daytime into black and white is used for sensing the infrared light reflected by the surrounding environment, and the night vision function is realized. However, the night vision effect of the infrared law enforcement recorder is not ideal. This is due to the angle and function of the infrared lamp, which is mainly manifested as flashlight effect or insufficient distance, the effect of the flashlight is more obvious when the infrared emitting tube is illuminated at a smaller angle and the effect of the flashlight is not obvious when the infrared emitting tube is illuminated at a longer distance, whereas the distance is reduced when the infrared emitting tube is illuminated at a larger angle. On the other hand, the infrared law enforcement recorder adopts a black-and-white shooting mode, does not have an image color reduction function, and has insufficient reduction degree of law enforcement field conditions.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that, to the above-mentioned defect of prior art, provide one kind do not need initiative light source, can have the night vision recorder and the night vision law enforcement record appearance of the wide, far away and image color of video recording angle simultaneously concurrently.

The utility model provides a technical scheme that its technical problem adopted is: a night vision recording device is constructed comprising: the device comprises a camera lens module used for receiving reflected light of the surface of an object and focusing the reflected light to generate a focused reflected light signal, a photosensitive sensor used for converting the focused reflected light signal into an electric signal, and a main control module used for receiving the electric signal and converting the electric signal into a video image.

In the night vision recording device of the present invention, the imaging lens module includes a plurality of lenses arranged in parallel at intervals in the direction of propagation of the reflected light.

In the night vision recording device of the present invention, the camera lens module further includes a light filter module disposed behind the plurality of lenses along a direction of propagation of the reflected light.

Night vision recorder in, the lens module of making a video recording includes six lenses, the light filter module is including setting up two light filters on the vertical direction.

Night vision recorder in, further including being used for fixing the camera lens module with photosensor's base, the camera lens module with photosensor between the setting up the printing opacity clearance.

In the night vision recording device of the present invention, the shield cover of the camera lens module is further provided.

In the night vision recording device, the host system includes a sensor transmission interface for receiving the electrical signal, a master control chip for converting the electrical signal into a video image, and a memory for storing the video image.

The utility model provides a another technical scheme that its technical problem adopted is, construct a night vision recorder, include: the camera shooting system comprises a camera shooting lens module, a photosensitive sensor, a main control module, a base and a shielding cover, wherein the camera shooting lens module is used for receiving reflected light of the surface of an object and focusing the reflected light to generate a focused reflected light signal, the photosensitive sensor is used for converting the focused reflected light signal into an electric signal, the main control module is used for receiving the electric signal and converting the electric signal into a video image, the base is used for fixing the camera shooting lens module and the photosensitive sensor, and the shielding cover covers the camera shooting; the camera lens module comprises a plurality of lenses which are arranged in parallel at intervals along the direction vertical to the propagation direction of the reflected light; the main control module comprises a sensor transmission interface for receiving the electric signal from the photosensitive sensor, a main control chip for converting the electric signal into a video image, and a memory for storing the video image.

The utility model provides a further technical scheme that its technical problem adopted is, constructs a night vision law enforcement record appearance, including aforementioned arbitrary night vision recorder.

Implement the utility model discloses a night vision recorder and night vision law enforcement record appearance through lens focus external light, consequently does not need the initiative light source, can have the wide, the video recording distance of video recording angle simultaneously concurrently and image color reduction function.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

FIG. 1 is a schematic block diagram of a preferred embodiment of a night vision recording device of the present invention;

fig. 2 is a schematic structural view of another preferred embodiment of the night vision recording device of the present invention;

fig. 3 is a circuit schematic diagram of the main control module of the night vision recording device shown in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model relates to a night vision recorder, include: the device comprises a camera lens module used for receiving reflected light of the surface of an object and focusing the reflected light to generate a focused reflected light signal, a photosensitive sensor used for converting the focused reflected light signal into an electric signal, and a main control module used for receiving the electric signal and converting the electric signal into a video image. Implement the utility model discloses a night vision recorder through lens focus external light, consequently does not need the initiative light source, can have simultaneously that the video recording angle is wide, the video recording distance is far away and image color restores the function.

Fig. 1 is a schematic block diagram of a preferred embodiment of a night vision recording device of the present invention. As shown in fig. 1, the night vision recording device of the present invention includes a camera lens module 20 for receiving the reflected light from the surface of an object 10 and focusing the reflected light to generate a focused reflected light signal, a photosensor 30 for converting the focused reflected light signal into an electrical signal, and a main control module 40 for receiving the electrical signal and converting the electrical signal into a video image.

In a preferred embodiment of the present invention, the camera lens module 20 may include at least one lens disposed in the direction of propagation of the reflected light, which may focus the reflected light to produce a focused reflected light signal. Thus, even if the external environment light is weak, the camera can be used for shooting by adopting the external light, and the camera is particularly and preferably suitable for shooting by weak starlight, moonlight, lamplight or other external light.

The photosensor 30 can be placed at the focal point of the lens to receive the focused reflected light signal and convert it to an electrical signal. The photosensor 30 can be constructed using any photosensor chip known in the art. Such as CCD devices, CMOS devices, etc. The main control module 40 may employ any image processing chip known in the art, such as a microprocessor, microcontroller, etc. having any image processing software built therein, for receiving the electrical signal from the photosensor 30 and converting it into a video image. The photosensitive sensor chip preferably adopts a high-performance photosensitive sensor chip with large optical size and large pixel size, and the main control chip preferably can analyze a light source and automatically compensate gain, so that an image with a clear picture and clear color can be shot under low illumination.

In other preferred embodiments of the present invention, the camera lens module 20 may include a plurality of lenses arranged vertically side by side, horizontally, or in any suitable manner to better focus the reflected light from the surface of the object 10.

Implement the utility model discloses a night vision recorder through lens focus external light, consequently does not need the initiative light source, can have simultaneously that the video recording angle is wide, the video recording distance is far away and image color restores the function.

Fig. 2 and 3 show another preferred embodiment of the night vision recording device of the present invention, fig. 2 shows a schematic structural diagram thereof, and fig. 3 shows a schematic circuit diagram of a main control module thereof.

As shown in fig. 2, the night vision recording device of the present invention includes a camera lens module 20 for receiving the reflected light from the surface of the object 10 and focusing the reflected light to generate a focused reflected light signal, a photosensor 30 for converting the focused reflected light signal into an electrical signal, and a main control module 40 for receiving the electrical signal and converting the electrical signal into a video image. In the preferred embodiment, the image pickup lens module 20 includes a plurality of lenses 21 arranged in parallel at intervals in a direction perpendicular to the traveling direction of the reflected light. In the preferred embodiment, it is preferable to use 6 glass 1.6 aperture lenses, i.e. 6 lenses spaced in parallel in the direction perpendicular to the propagation direction of the reflected light, so that the amount of incoming light is more sufficient and the picture is clearer and more transparent. Two filters 22, one above the other and one below the other, are arranged in the vertical direction behind the lens 21 along the propagation direction of the reflected light.

In the present embodiment, in the propagation direction of the reflected light, the image pickup lens module 20 and the photosensitive sensor 30 are disposed on the base 23 at an interval, and a light-transmitting gap 25 is disposed between the image pickup lens module 20 and the photosensitive sensor 30. The size of the light-transmitting gap 25 can be set according to the number and the focal position of the lenses in the camera lens module 20, and further, the photosensitive sensor 30 is set near the focal position of the camera lens module 20 as much as possible, so as to obtain a better focusing effect. The skilled person can select them according to the actual situation and will not be described again here. The outside of the camera lens module 20 is further provided with a shielding case 24, which may be a metal or plastic shielding case. The shield case 24 and the base 23 may constitute a closed space that accommodates the imaging lens module 20 and the photosensor 30.

Further, as shown in fig. 3, the main control module 40 includes a sensor transmission interface 43 for receiving the electrical signal from the photosensor 30, a main control chip 41 for converting the electrical signal into a video image, and a memory 42 for storing the video image. Preferably, the main control chip 41 may adopt any image processing chip known in the art, such as a microprocessor, a microcontroller, etc. with any image processing software built therein. The memory may employ any memory module known in the art, such as SPI FLASH, and the like. The sensor transmission interface 43 may likewise employ any graphic transmission interface known in the art, such as any known GDI interface.

In a further preferred embodiment of the invention, it also relates to a night vision law enforcement recorder, which may employ any of the night vision recorders described above. After reading the utility model discloses a skilled person in the field can correspond the change cost utility model's night vision recorder with the recorder of current night vision law enforcement record appearance, just so no longer states in a tired way here.

Implement the utility model discloses a night vision law enforcement record appearance through lens focus external light, consequently does not need the initiative light source, can have the video recording angle simultaneously concurrently wide, the video recording distance is far away and image color reduction function.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A night vision recording device, comprising: the device comprises a camera lens module used for receiving reflected light of the surface of an object and focusing the reflected light to generate a focused reflected light signal, a photosensitive sensor used for converting the focused reflected light signal into an electric signal, and a main control module used for receiving the electric signal and converting the electric signal into a video image.

2. The night vision recording device of claim 1, wherein the camera lens module includes a plurality of lenses spaced in parallel perpendicular to the direction of travel of the reflected light.

3. The night vision recording device according to claim 2, wherein the camera lens module further comprises a filter module disposed behind the plurality of lenses along the direction of travel of the reflected light.

4. The night vision recording device according to claim 3, wherein the camera lens module comprises six lenses and the filter module comprises two filters arranged in a vertical direction.

5. The night vision recording device according to any one of claims 1 to 4, further comprising a base for fixing the camera lens module and the photosensor with a light-transmitting gap provided therebetween.

6. A night vision recording arrangement according to any one of claims 1-4, further comprising a shielding housing enclosing the camera lens module.

7. The night vision recording device according to any one of claims 1 to 4, wherein the master control module comprises a sensor transmission interface for receiving the electrical signal from the photosensor, a master control chip for converting the electrical signal into a video image, and a memory for storing the video image.

8. A night vision recording device, comprising: the camera shooting system comprises a camera shooting lens module, a photosensitive sensor, a main control module, a base and a shielding cover, wherein the camera shooting lens module is used for receiving reflected light of the surface of an object and focusing the reflected light to generate a focused reflected light signal, the photosensitive sensor is used for converting the focused reflected light signal into an electric signal, the main control module is used for receiving the electric signal and converting the electric signal into a video image, the base is used for fixing the camera shooting lens module and the photosensitive sensor, and the shielding cover covers the camera shooting; the camera lens module comprises a plurality of lenses which are arranged in parallel at intervals along the direction vertical to the propagation direction of the reflected light; the main control module comprises a sensor transmission interface for receiving the electric signal from the photosensitive sensor, a main control chip for converting the electric signal into a video image, and a memory for storing the video image.

9. Night vision law enforcement recorder, characterized in that it comprises a night vision recording device according to any one of claims 1 to 8.