Single-sensor synchronous exposure structure for binocular uncooled thermal infrared camera

A single-sensor, non-cooling technology, used in instruments, scientific instruments, optical radiation measurement, etc., can solve problems such as difficulty in meeting the needs of product popularization, increasing the overall cost of binocular cameras, increasing system design costs, and using stability.

Pending Publication Date: 2021-07-06
上海超摩光电科技有限公司
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  • Abstract
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Problems solved by technology

[0003] However, in practical applications, since the infrared exposure synchronization rate is required to reach the millisecond level, the use of triggered binocular synchronization exposure will greatly increase the design cost and use stability of the system. At the same time, due to the high price of the uncooled thermal infrared sensor, It will also increase the overall cost of the binocular camera, making it difficult to meet the needs of popularization and application of the entire product

Method used

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  • Single-sensor synchronous exposure structure for binocular uncooled thermal infrared camera

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Embodiment

[0024] like figure 1 As shown, the single-sensor synchronous exposure structure for a binocular uncooled thermal infrared camera includes an optical path turning prism 5 , a reflector 4 and a light sensor 6 .

[0025] Both light incident ends of the binocular camera are provided with reflectors 4;

[0026] Each reflector 4 is used to reflect the incident light 1 to the light path turning prism 5;

[0027] The optical path turning prism 5 is used to refract the light obtained from each mirror 4 to the optical sensor or the optical sensor 6 with its own optical lens group.

[0028] The present invention obtains optical signals through two separate reflectors 4, and then refracts the collected optical signals to the optical sensor 6 through the optical path turning prism 5, and finally exposes them to different areas of the same optical sensor to obtain the respective binocular lenses at the same time. Signal.

[0029] In some embodiments, a pair of reflecting mirrors 4 are sy...

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Abstract

The invention discloses a single-sensor synchronous exposure structure for a binocular uncooled thermal infrared camera. The single-sensor synchronous exposure structure comprises a light path turning prism, a reflecting mirror and a light sensor, two light incident ends of the binocular camera are provided with the reflecting mirrors; each reflecting mirror is used for reflecting incident light to the light path turning prism; and the light path turning prism is used for refracting light obtained from each reflecting mirror to the light sensor or the light sensor with an optical lens group. The double-light-path single-sensor exposure is adopted, the complex design of trigger type synchronous exposure is avoided, the cost of the sensor is reduced while an exposure control system is simplified, and the design and cost problems of the infrared binocular camera are solved through a unique light path structure.

Description

technical field [0001] The invention relates to the technical field of camera manufacturing, in particular to a single-sensor synchronous exposure structure for a binocular uncooled thermal infrared camera. Background technique [0002] Binocular camera systems are currently widely used in 3D recognition for machine vision. For example, in the intelligent driving system, it can be fused with lidar to obtain point cloud data, and realize the recognition and construction of objects and spatial positions. In particular, the use of an uncooled thermal infrared sensor as the sensor of the binocular system can additionally obtain the temperature information of the object, making the point cloud data more abundant, and increasing the confidence of the data used to realize intelligent driving. [0003] However, in practical applications, since the infrared exposure synchronization rate is required to reach the millisecond level, the use of triggered binocular synchronization exposu...

Claims

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Application Information

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IPC IPC(8): H04N13/239H04N13/296G01J5/08G01J5/10
CPCG01J5/08G01J5/10H04N13/239H04N13/296
Inventor 周兰芳
Owner 上海超摩光电科技有限公司
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