High-precision medium-wave refrigeration double-light pod device

Abstract

The application discloses a high-precision middle-wave refrigeration dual-optical pod device, which comprises a middle-wave refrigeration infrared thermal imager and a high-definition camera, the existence of the middle-wave refrigeration infrared thermal imager and the high-definition camera prolongs a detection distance, photoelectric load light axis stabilization and light axis movement driving are completed on a high-precision two-axis stable platform, so that the pod body can obtain stable and clear images in an airborne environment, the image stabilization precision is improved, and the detection effect is not affected, an image processing assembly identifies a target and sends a target off-target amount to the two-axis stable platform, so that target tracking is completed.

Description

Technical Field

[0001] This invention belongs to the field of photoelectric detection technology, specifically relating to a high-precision mid-wave cooled dual-optical pod device. Background Technology

[0002] Currently, with the development of information technology and space technology, airborne optoelectronic detection is widely used in military reconnaissance, target detection, data acquisition and other fields due to its wide detection field and convenient operation.

[0003] However, traditional airborne optoelectronic equipment typically uses single infrared for detection. Single infrared detection is prone to misidentification, single visible light detection cannot be used for nighttime detection, fixed-focus detection has a limited field of view and cannot detect targets at long or short distances, uncooled infrared detectors have limited detection range, lack gyro stabilization or have low stabilization accuracy, thus affecting the detection effect, or are too large and heavy, thus necessitating the selection of larger UAVs, thereby increasing costs. Summary of the Invention

[0004] The purpose of this invention is to provide a high-precision mid-wave cooled dual-optical pod device to solve the problems of limited detection distance and low image stabilization accuracy, which affect the detection effect.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A high-precision mid-wave cooled dual-light pod device includes a two-axis stabilization platform, a pod body, a mid-wave cooled infrared thermal imager, a high-definition camera, an image processing component, and an integrated control component. The pod body is mounted on the two-axis stabilization platform, which restrains the sides of the pod body. Partial structures of the mid-wave cooled infrared thermal imager and the high-definition camera are disposed within the pod body, while other portions of the mid-wave cooled infrared thermal imager and the high-definition camera extend out of the pod body to detect and photograph targets. The image processing component and the integrated control component are respectively disposed within the pod body. The image processing component is connected to the mid-wave cooled infrared thermal imager, the high-definition camera, and the integrated control component, respectively. The integrated control component is connected to the two-axis stabilization platform, the mid-wave cooled infrared thermal imager, and the high-definition camera, respectively.

[0007] Optionally, the two-axis stabilization platform includes a control circuit, an azimuth frame, a pitch frame, and a gyroscope. The pitch frame wraps around a portion of the side of the cabin to allow the cabin to move smoothly with the pitch frame and the azimuth frame. The azimuth frame is mounted on the pitch frame. The control circuit and the gyroscope are installed inside the cabin. The control circuit is connected to the azimuth frame, the pitch frame, and the gyroscope, respectively. The gyroscope is connected to the azimuth frame and the pitch frame, respectively. The integrated control component is connected to the control circuit to control the operation of the azimuth frame, the pitch frame, and the gyroscope.

[0008] Optionally, the azimuth frame has a rotation range of 360 degrees continuously, the pitch frame has a rotation range of -120° to 90°, the maximum angular velocity of the pitch frame's axis is not less than 90° / s, and the maximum angular acceleration of the pitch frame's axis is not less than 100° / s. 2 Furthermore, the stability accuracy of the gyroscope is no greater than 0.2 mrad.

[0009] Optionally, the mid-wave cooled infrared thermal imager includes a detector and an optical system, the detector and the optical system are connected, the optical system is disposed inside the cabin, the detector head extends out of the cabin to detect the target, and the optical system is connected to the integrated control component and the image processing component respectively.

[0010] Optionally, the detector type is a cooled detector, the photosensitive material of the detector is mercury cadmium antimony, the detection band of the detector is 3um to 5um, the resolution of the detector is 640×512, the pixel size of the detector is 15μm, and the detection frame rate is 50hz.

[0011] Optionally, the optical system has an F-number of F4.0, a focal length of 25mm to 250mm, is continuously zoomable, and a field of view of 2.2° to 29.8°.

[0012] Optionally, the cabin includes an envelope shell and a carrier component. The carrier component is disposed inside the envelope shell and is used for the mid-wave cooled infrared thermal imager, the high-definition camera, the image processing component, and the integrated control component. The envelope shell is provided with a first mounting hole and a second mounting hole. The first mounting hole is used to mount the head of the mid-wave cooled infrared thermal imager, and the second mounting hole is used to mount the head of the high-definition camera. The two-axis stabilization platform encloses the envelope shell.

[0013] Optionally, a secondary power supply assembly is also included, which is connected to the two-axis stabilization platform, the mid-wave cooled infrared thermal imager, the high-definition camera, the image processing assembly, and the integrated control assembly, respectively.

[0014] Optionally, the high-definition camera is of CMOS type, the resolution of the high-definition camera is 1920×1080, the focal length of the high-definition camera is 4.3mm to 129mm, it can continuously zoom, and the field of view of the high-definition camera is 63.7° to 2.3°.

[0015] Optionally, the image processing component is used to receive infrared and visible light images, perform image analysis and encoding, and can also identify and track targets in the images. The image processing component is connected to the external ground display and control system through a wireless communication system.

[0016] The integrated control component is used to communicate between the outside and inside of the cabin, and to parse external commands and forward them to the mid-wave cooled infrared thermal imager, the high-definition camera, the two-axis stabilized platform, and the image processing component. It then summarizes the status feedback information from the mid-wave cooled infrared thermal imager, the high-definition camera, the two-axis stabilized platform, and the image processing component and sends it to the outside of the cabin. The integrated control component is connected to the external ground display and control system through a wireless communication system.

[0017] This application extends the detection range by using a mid-wave cooled infrared thermal imager and a high-definition camera. The photoelectric payload optical axis stabilization and optical axis movement are driven by a high-precision two-axis stabilization platform, thereby ensuring that the cabin can acquire stable and clear images in the airborne environment. This improves the image stabilization accuracy and does not affect the detection effect. The image processing component identifies the target and sends the target miss distance to the two-axis stabilization platform to complete the target tracking. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a high-precision medium-wave cooled dual-optical pod device.

[0019] Figure 2 This is an external schematic diagram of a high-precision mid-wave cooled dual-optical pod device.

[0020] Figure 3 This is a schematic diagram of the interior of a high-precision medium-wave cooled dual-optical pod device.

[0021] The following are the main component names and reference numerals of this application: 1. Medium-wave cooled infrared thermal imager, 2. High-definition camera, 3. Two-axis stabilization platform, 4. Image processing component, 5. Integrated control component, 6. Secondary power supply component, 7. Cabin. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become clearer from the following description and claims. It should be noted that the drawings are all in a very simplified form and are not to a precise scale, and are only used to facilitate and clarify the illustration of the embodiments of the present invention.

[0023] It should be noted that, in order to clearly illustrate the content of this invention, several embodiments are provided to further explain different implementations of the invention. These embodiments are enumerated rather than exhaustive. Furthermore, for the sake of brevity, content mentioned in the preceding embodiments is often omitted in the following embodiments. Therefore, content not mentioned in the later embodiments can be referred to in the preceding embodiments.

[0024] Example 1

[0025] Please see Figure 1 This application provides a high-precision mid-wave cooled dual-light pod device, including a two-axis stabilization platform 3, a pod 7, a mid-wave cooled infrared thermal imager 1, a high-definition camera 2, an image processing component 4, and an integrated control component 5. The pod 7 is mounted on the two-axis stabilization platform 3, and the two-axis stabilization platform 3 restrains the sides of the pod 7. Parts of the mid-wave cooled infrared thermal imager 1 and the high-definition camera 2 are disposed within the pod 7, while other parts of the mid-wave cooled infrared thermal imager 1 and the high-definition camera 2 extend out of the pod 7 to detect and photograph targets. The image processing component 4 and the integrated control component 5 are respectively disposed within the pod 7. The image processing component 4 is connected to the mid-wave cooled infrared thermal imager 1, the high-definition camera 2, and the integrated control component 5, respectively. The integrated control component 5 is connected to the two-axis stabilization platform 3, the mid-wave cooled infrared thermal imager 1, and the high-definition camera 2, respectively. The presence of the mid-wave cooled infrared thermal imager 1 and the high-definition camera 2 extends the detection range, enabling all-weather detection, tracking, and data acquisition of targets, as well as the detection of targets at both near and far distances. The high-precision two-axis stabilization platform 3 completes the stabilization of the optical axis of the photoelectric payload and drives the optical axis movement, thereby ensuring that the cabin 7 acquires stable and clear images in the airborne environment, improving the image stabilization accuracy so as not to affect the detection effect. The image processing component 4 identifies the target and sends the target miss distance to the two-axis stabilization platform 3 to complete the target tracking.

[0026] Optionally, the two-axis stabilization platform 3 includes a control circuit, an azimuth frame, a pitch frame, and a gyroscope. The pitch frame covers part of the side of the cabin 7 to allow the cabin 7 to move smoothly with the pitch frame and the azimuth frame. The azimuth frame is mounted on the pitch frame. The control circuit and the gyroscope are installed inside the cabin 7. The control circuit is connected to the azimuth frame, the pitch frame, and the gyroscope, respectively. The gyroscope is connected to the azimuth frame and the pitch frame, respectively. The integrated control component 5 is connected to the control circuit to control the operation of the azimuth frame, the pitch frame, and the gyroscope. By completing the optical axis stabilization and optical axis movement drive of the photoelectric load on the high-precision two-axis stabilization platform 3, stable and clear images can be obtained by the cabin 7 in an airborne environment. Optionally, the two-axis stabilization platform 3 has two internal interfaces: one is an XT30 interface connected to the secondary power supply component 6, which is responsible for supplying power to the two-axis stabilization platform 3 from the secondary power supply component 6; the other is a JST5pin 1.25mm interface connected to the integrated control component 5, which is used for RS422 communication between the two-axis stabilization platform 3 and the integrated control component 5.

[0027] Optionally, the azimuth frame has a rotation range of 360 degrees continuously, the pitch frame has a rotation range of -120° to 90°, the maximum angular velocity of the pitch frame's axis is not less than 90° / s, and the maximum angular acceleration of the pitch frame's axis is not less than 100° / s. 2 Furthermore, the stability accuracy of the gyroscope is no greater than 0.2 mrad.

[0028] Optionally, the mid-wave cooled infrared thermal imager 1 includes a detector and an optical system. The detector and the optical system are connected. The optical system is located inside the cabin 7, and the detector head extends outside the cabin 7 to detect targets. The optical system is connected to the integrated control component 5 and the image processing component 4. Using the mid-wave cooled thermal imager as a detection subsystem, data is collected on the target and background, enabling all-weather detection, tracking, and data acquisition of the target. Optionally, the mid-wave cooled infrared thermal imager 1 has three interfaces: an XT30 interface connected to the secondary power supply component 6, responsible for supplying power to the mid-wave cooled infrared thermal imager 1; a gigabit network interface connected to the image processing component 4, responsible for transmitting raw infrared images in DAT format to the image processing component 4; and a JST5 pin 1.25mm interface connected to the integrated control component 5 for RS422 communication between the detector and the integrated control component 5.

[0029] Optionally, the detector type is a cooled detector, the photosensitive material of the detector is mercury cadmium antimony, the detection band of the detector is 3um to 5um, the resolution of the detector is 640×512, the pixel size of the detector is 15μm, and the detection frame rate is 50hz.

[0030] Optionally, the optical system has an F-number of F4.0, a focal length of 25mm to 250mm, is continuously zoomable, and a field of view of 2.2° to 29.8°.

[0031] Optionally, the cabin 7 includes an envelope shell and a carrier component. The carrier component is disposed within the envelope shell and is used for the mid-wave cooled infrared thermal imager 1, the high-definition camera 2, the image processing component 4, and the integrated control component 5. The envelope shell has a first mounting hole and a second mounting hole. The first mounting hole mounts the head of the mid-wave cooled infrared thermal imager 1, and the second mounting hole mounts the head of the high-definition camera 2. The two-axis stabilization platform 3 encloses the envelope shell. The high-precision two-axis stabilization platform 3 completes the stabilization and movement of the optical axis of the photoelectric load, thereby ensuring that the cabin 7 acquires stable and clear images in an airborne environment. Optionally, the envelope shell and the carrier component are mainly made of aluminum alloy. The first and second mounting holes are infrared windows and visible light windows, respectively, for visible light and infrared transmission. The diameter of the cabin 7 is no greater than 235mm, the height of the cabin 7 is no greater than 315mm, and the total weight is no greater than 7kg. The top of the pod 7 structure has an interface, J30J-21TJL, which connects to the wireless communication component and is responsible for powering the pod 7, RS422 communication, and network image transmission. The J30J-21TJL interface on the pod 7 structure internally consists of three wiring harnesses: one harness connects to the secondary power supply component 6, responsible for supplying power to the secondary power supply component 6 from outside; one harness connects to the integrated control component 5, responsible for RS422 communication between the wireless communication component and the integrated control component 5; and one harness connects to the image processing component 4, responsible for transmitting the video processed by the image processing component 4 to the wireless communication component.

[0032] Optionally, a secondary power supply assembly 6 is also included, which is connected to the two-axis stabilization platform 3, the mid-wave cooled infrared thermal imager 1, the high-definition camera 2, the image processing assembly 4, and the integrated control assembly 5. Optionally, the secondary power supply assembly 6 is primarily responsible for receiving externally supplied 24V DC power and providing power to the various components within the pod. There are six interfaces coming out from the secondary power supply assembly 6: the first XT30 is connected to J30J-21TJL and is responsible for receiving 24V power from the outside of the cabin 7 to the secondary power supply assembly 6; the second XT30 is connected to the mid-wave infrared thermal imager and is responsible for providing 24V power from the secondary power supply assembly 6 to the mid-wave infrared thermal imager; the third XT30 is connected to the high-definition camera 2 and is responsible for providing 12V power from the secondary power supply assembly 6 to the high-definition camera 2 (2); the fourth XT30 is connected to the two-axis stabilization platform 3 and is responsible for providing 24V power from the secondary power supply assembly 6 to the two-axis stabilization platform 3; the fifth XT30 is connected to the image processing assembly 4 and is responsible for providing 12V power from the secondary power supply assembly 6 to the image processing assembly 4; the sixth XT30 is connected to the integrated control assembly 5 and is responsible for providing 5V power from the secondary power supply assembly 6 to the integrated control assembly 5.

[0033] Optionally, the high-definition camera 2 is a CMOS sensor with a resolution of 1920×1080, a focal length of 4.3mm to 129mm (continuous zoom), and a field of view of 63.7° to 2.3°. Optionally, the high-definition camera 2 has three interfaces: an XT30 interface connected to the secondary power supply component 6 for powering the camera; an MR30 interface connected to the integrated control component 5 for communication between the camera and the integrated control component 5; and an MCX interface connected to the image processing component 4 for transmitting SDI format visible light images to the image processing component 4.

[0034] Optionally, the image processing component 4 is used to receive infrared and visible light images, perform image analysis and encoding, and can also identify and track targets in the images. The image processing component 4 is connected to the external ground display and control system through a wireless communication system.

[0035] The integrated control component 5 is used to communicate between the outside of the cabin 7 and the inside of the cabin 7, and to parse external commands and forward them to the mid-wave cooled infrared thermal imager 1, the high-definition camera 2, the two-axis stabilized platform 3 and the image processing component 4. It also summarizes the status feedback information of the mid-wave cooled infrared thermal imager 1, the high-definition camera 2, the two-axis stabilized platform 3 and the image processing component 4 and sends it to the outside of the cabin 7. The integrated control component 5 is connected to the external ground display and control system through a wireless communication system.

[0036] Optionally, five interfaces emerge from the image processing component 4: a gigabit network interface, connected to the mid-wave cooled infrared thermal imager 1, responsible for receiving raw infrared images in DAT format; another gigabit network interface, passing through the cabin structure 7, connected to the wireless communication component outside the pod, responsible for transmitting the processed video to the wireless communication component; an MMCX interface, connected to the high-definition camera 2, responsible for receiving visible light images in SDI format; an XT30 interface connected to the secondary power supply component 6, used to power the image processing component 4 from the secondary power supply component 6; and a JST5pin 1.25mm interface connected to the integrated control component 5, used for RS422 communication between the image processing component 4 and the integrated control component 5. The integrated control component 5 has six interfaces: the first JST5pin 1.25mm interface connects to the J30J-21TJL, responsible for RS422 communication between the integrated control component 5 and the external pod; the second JST5pin 1.25mm interface connects to the mid-wave infrared thermal imager, responsible for RS422 communication between the integrated control component 5 and the mid-wave infrared thermal imager; the third JST5pin 1.25mm interface connects to the two-axis stabilization platform 3, responsible for RS422 communication between the integrated control component 5 and the two-axis stabilization platform 3; the fourth JST5pin 1.25mm interface connects to the image processing component 4, responsible for RS422 communication between the integrated control component 5 and the image processing component 4; an MR30 interface connects to the high-definition camera 2, responsible for TTL communication between the integrated control component 5 and the high-definition camera 2; and an XT30 interface connects to the secondary power supply component 6, responsible for supplying power to the integrated control component 5 from the secondary power supply component 6.

[0037] In summary, the high-precision mid-wave cooled dual-optical pod uses a high-definition camera 2 and a mid-wave cooled thermal imager as the detection subsystem to acquire dual-band data of the target and background, enabling all-weather detection, tracking, and data acquisition of the target. A high-precision two-axis stabilization platform 3 stabilizes the optical axis of the photoelectric payload and drives its movement, ensuring the pod acquires stable and clear images in an airborne environment. The image processing component 4 stores dual-band data and identifies the target, sending the target miss distance to the two-axis stabilization platform 3 for target tracking. This device is characterized by its small size, light weight, high precision, and intelligent operation. This high-precision mid-wave cooled dual-optical pod can serve as a key device for detecting typical targets and acquiring data.

Claims

1. A high-precision mid-wave cooled dual-optical pod device, characterized in that, include: The system comprises a two-axis stabilized platform, a cabin, a mid-wave cooled infrared thermal imager, a high-definition camera, an image processing component, and an integrated control component. The cabin is mounted on the two-axis stabilized platform, which restrains the sides of the cabin. Partial structures of the mid-wave cooled infrared thermal imager and the high-definition camera are housed within the cabin, while other portions of the mid-wave cooled infrared thermal imager and the high-definition camera extend out of the cabin to detect and photograph targets. The image processing component and the integrated control component are also housed within the cabin. The image processing component is connected to the mid-wave cooled infrared thermal imager, the high-definition camera, and the integrated control component, respectively. The integrated control component is connected to the two-axis stabilized platform, the mid-wave cooled infrared thermal imager, and the high-definition camera, respectively. The two-axis stabilization platform includes a control circuit, an azimuth frame, a pitch frame, and a gyroscope. The pitch frame covers part of the side of the cabin to allow the cabin to move smoothly with the pitch frame and the azimuth frame. The azimuth frame is mounted on the pitch frame. The control circuit and the gyroscope are installed inside the cabin. The control circuit is connected to the azimuth frame, the pitch frame, and the gyroscope respectively. The gyroscope is connected to the azimuth frame and the pitch frame respectively. The integrated control component is connected to the control circuit to control the operation of the azimuth frame, the pitch frame, and the gyroscope. The mid-wave cooled infrared thermal imager includes a detector and an optical system. The detector and the optical system are connected. The optical system is located inside the cabin. The detector head extends out of the cabin to detect targets. The optical system is connected to the integrated control component and the image processing component. The cabin includes an envelope shell and a carrier component. The carrier component is disposed inside the envelope shell and is used to install the mid-wave cooled infrared thermal imager, the high-definition camera, the image processing component, and the integrated control component. The envelope shell is provided with a first mounting hole and a second mounting hole. The first mounting hole is used to install the head of the mid-wave cooled infrared thermal imager, and the second mounting hole is used to install the head of the high-definition camera. The two-axis stabilization platform encloses the envelope shell. The high-definition camera is a CMOS type, with a resolution of 1920×1080, a focal length of 4.3mm to 129mm, continuous zoom capability, and a field of view of 63.7° to 2.3°.

2. The high-precision mid-wave cooled dual-optical pod device as described in claim 1, characterized in that, The azimuth frame has a continuous 360-degree rotation range, the pitch frame has a rotation range of -120° to 90°, the maximum angular velocity of the pitch frame's axis is not less than 90° / s, and the maximum angular acceleration of the pitch frame's axis is not less than 100° / s. 2 Furthermore, the stability accuracy of the gyroscope is no greater than 0.2 mrad.

3. The high-precision mid-wave cooled dual-optical pod device as described in claim 1, characterized in that, The detector type is a cooled detector, the photosensitive material of the detector is antimony cadmium mercury, the detection band of the detector is 3um to 5um, the resolution of the detector is 640×512, the pixel size of the detector is 15μm, and the detection frame rate is 50hz.

4. The high-precision mid-wave cooled dual-optical pod device as described in claim 1, characterized in that, The optical system has an F-number of F4.0, a focal length of 25mm to 250mm, is continuously zoomable, and a field of view of 2.2° to 29.8°.

5. The high-precision mid-wave cooled dual-optical pod device as described in claim 1, characterized in that, It also includes a secondary power supply component, which is connected to the two-axis stabilization platform, the mid-wave cooled infrared thermal imager, the high-definition camera, the image processing component, and the integrated control component.

6. The high-precision mid-wave cooled dual-optical pod device as described in claim 1, characterized in that, The image processing component is used to receive infrared and visible light images, perform image analysis and encoding, and can also identify and track targets in the images. The image processing component is connected to the external ground display and control system through a wireless communication system. The integrated control component is used for communication between the outside and inside of the cabin, and parses external commands and forwards them to the mid-wave cooled infrared thermal imager, the high-definition camera, the two-axis stabilized platform, and the image processing component. It then summarizes the status feedback information of the mid-wave cooled infrared thermal imager, the high-definition camera, the two-axis stabilized platform, and the image processing component and sends it to the outside of the cabin. The integrated control component is connected to the external ground display and control system through a wireless communication system.

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