CN-122027876-A - Refrigerating camera

CN122027876ACN 122027876 ACN122027876 ACN 122027876ACN-122027876-A

Abstract

The application provides a refrigeration camera which comprises a shell, a sensor module, a refrigeration element, a heat conduction assembly and a pixel displacement module. A seal cavity is formed in the housing. The sensor module, the refrigerating element, the heat conduction component and the pixel displacement module are all assembled in the sealing cavity. The refrigerating element comprises a hot end and a cold end which are oppositely arranged, wherein the cold end is arranged towards one side of the back face of the sensor module. The heat conduction assembly comprises at least two layers of heat conduction plates, and the at least two layers of heat conduction plates are arranged between the cold end and the back surface of the sensor module. The pixel displacement module is positioned on the back surface of the sensor module and is used for driving the sensor module to move in the XY plane. The refrigeration camera ensures that the movement of the pixel displacement module is not influenced on the basis of moderately adjusting the temperature of the sensor module, thereby improving the image quality of the camera.

Inventors

WANG YIJUN

Assignees

杭州海康机器人股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260126

Claims (17)

1. A refrigerated camera, comprising: The shell is internally provided with a sealing cavity; The sensor module is assembled in the sealing cavity; the refrigerating element is assembled in the sealing cavity and comprises a hot end and a cold end which are oppositely arranged, wherein the cold end is arranged towards one side of the back surface of the sensor module; The heat conduction assembly is assembled in the sealing cavity and comprises at least two layers of heat conduction plates, wherein the at least two layers of heat conduction plates are arranged between the cold end and the back surface of the sensor module, and The pixel displacement module is assembled in the sealing cavity and positioned on the back surface of the sensor module, and the pixel displacement module is used for driving the sensor module to move in an XY plane.
2. The refrigeration camera of claim 1, wherein the at least two layers of heat conducting plates comprise a first refrigeration metal plate and a second refrigeration metal plate which are arranged in a stacked manner, the first refrigeration metal plate faces the cold end relative to the second refrigeration metal plate, the second refrigeration metal plate faces the sensor module relative to the first refrigeration metal plate, the sensor module comprises a sensor main body and a sensor driving plate connected with the sensor main body, the sensor driving plate is arranged on the back surface of the sensor main body and provided with a via hole, and the second refrigeration metal plate passes through the via hole to be in contact with the back surface of the sensor main body.
3. The refrigeration camera according to claim 2, wherein the pixel displacement module comprises a fixed module and a driving module connected with the fixed module, the fixed module is fixedly assembled with the first refrigeration metal plate and the second refrigeration metal plate respectively and is arranged at a distance from the first refrigeration metal plate through a separator, the driving module is positioned on the periphery side of the second refrigeration metal plate and is in contact with the sensor driving plate, and the driving module moves in the XY plane relative to the fixed module so as to drive the sensor module to move in the XY plane.
4. The refrigerated camera of claim 2, wherein a first gap is provided between the second refrigerated metal plate and the back of the sensor body, the first gap being filled with a thermally conductive liquid; the heat conductive liquid has a heat conductivity of at least 2, and/or The first gap is set to a size of at most 1mm.
5. The refrigeration camera of claim 2, wherein a second gap is provided between the second refrigeration metal plate and the first refrigeration metal plate, and a heat insulation pad is disposed in the second gap, wherein the thickness dimension of the heat insulation pad is at least 0.5mm.
6. The refrigeration camera of claim 2, wherein the housing comprises a sealed shell, the sealed shell comprises a first sealed shell and a second sealed shell, the first sealed shell and the second sealed shell are assembled in a sealed mode to form the sealed cavity, the refrigeration camera further comprises a main control board, the main control board is clamped between the first sealed shell and the second sealed shell, wherein a part of the main control board is located in the sealed cavity, and the rest of the main control board is located outside the sealed cavity.
7. A refrigeration camera as set forth in claim 6 further comprising a thermal pad disposed between said hot end and said first sealed housing and/or The first sealing shell is a heat-conducting metal cover plate and/or The first refrigeration metal plate is provided with a plurality of fixed convex ribs, the refrigeration element is fixed in an area surrounded by the fixed convex ribs, and the periphery sides of the fixed convex ribs are fixed through dispensing.
8. A refrigeration camera as set forth in claim 6 wherein said sensor drive board is electrically connected to said main control board located in said sealed cavity by a flexible circuit board-to-board connector, and/or The sealing shell also comprises a plurality of assembling sealing pieces which are clamped between the first sealing shell and the main control board and between the main control board and the second sealing shell, and/or The sensor module, the pixel displacement module and the main control board are staggered in the central axis direction of the sensor module, and/or The middle part fretwork setting of main control board, first refrigeration metal sheet is located this fretwork region.
9. The refrigeration camera of claim 6, wherein the seal housing further comprises a dust seal, wherein the bottom wall of the second seal housing is provided with a seal groove, wherein the dust seal is assembled in the seal groove, and wherein the dust seal is partially positioned outside the seal groove and is in sealing pressure connection with the sensor body.
10. The refrigeration camera according to claim 9, wherein the dust seal comprises a buffer groove and deformed ribs arranged on two sides of the buffer groove, and when the dust seal is assembled in the seal groove, a part of the deformed ribs located outside the seal groove are deformed so as to be in pressure connection with the sensor body.
11. A refrigeration camera as set forth in claim 10 wherein said deformed bead has a pressure contact area with said sensor body smaller than an opening area of said buffer tank, and/or The depth of the buffer tank is set to at least 2mm.
12. The refrigeration camera according to claim 6, wherein the side wall of the second sealed housing is provided with at least two test holes, the at least two test holes are formed in the same XY plane and located on different side walls of the second sealed housing, the test holes comprise a test state and an untested state, wherein the test holes are opened when the test holes are in the test state, and the test holes are blocked when the test holes are in the untested state.
13. The refrigerated camera of claim 1, further comprising a temperature and humidity drive plate assembled within the sealed cavity; the refrigeration camera also comprises a humidity sensor which is arranged in the sealed cavity and is electrically connected with the temperature and humidity driving plate, wherein the humidity sensor is used for monitoring the humidity in the sealed cavity and/or The refrigeration camera further comprises a temperature sensor which is arranged in the sealing cavity and is electrically connected with the temperature and humidity driving plate, and the temperature sensor is in contact with the cold end and is used for monitoring the temperature of the cold end.
14. The refrigeration camera according to claim 1, wherein the housing comprises a shell, the shell comprises a front shell, a middle frame and a rear shell, the front shell, the middle frame and the rear shell are assembled to form a heat dissipation cavity, the refrigeration camera further comprises a main control board, a power supply board, an interface board and a pixel displacement driving board, a part of the main control board, which is located outside the sealing cavity, is arranged in the heat dissipation cavity, and the pixel displacement driving board, the power supply board and the interface board are all arranged in the heat dissipation cavity and are arranged at intervals in the central axis direction of the sensor module.
15. A refrigeration camera as set forth in claim 14 wherein said power panel is electrically connected to said main control panel outside said sealed cavity via a flexible circuit board, and/or The interface board is electrically connected with the power panel through a board connector, and/or The pixel displacement driving plate is electrically connected with the pixel displacement module and is electrically connected with the power panel through a panel connector.
16. The refrigeration camera of claim 14, further comprising a heat sink and a heat sink driving plate, wherein the heat sink driving plate is disposed in the heat sink cavity and connected to the heat sink, and wherein the heat sink is disposed outside the heat sink cavity and is in communication with the outside.
17. The refrigeration camera of claim 16, wherein the housing further comprises a heat sink bracket, the heat sink assembly comprising a plurality of heat sink channels, the plurality of heat sink channels in communication with the heat sink cavity and in communication with the exterior through the heat sink.

Description

Refrigerating camera Technical Field The application relates to the technical field of machine vision, in particular to a refrigeration camera. Background With the continual updating of technology, cameras are a systematic extension of human vision. The key function of the system is changed from a simple image recording tool to a key sensing and data acquisition terminal. The method is used for art creation and life recording, is widely applied to scientific observation, industrial detection, intelligent perception and the like, and converts optical signals into storable and analyzable digital information. During use of the camera, as the temperature increases, noise increases and image quality deteriorates. For this reason, user usage is affected. Disclosure of Invention The present application provides an improved refrigerated camera. The present application provides a refrigeration camera, comprising: The shell is internally provided with a sealing cavity; The sensor module is assembled in the sealing cavity; the refrigerating element is assembled in the sealing cavity and comprises a hot end and a cold end which are oppositely arranged, wherein the cold end is arranged towards one side of the back surface of the sensor module; The heat conduction assembly is assembled in the sealing cavity and comprises at least two layers of heat conduction plates, wherein the at least two layers of heat conduction plates are arranged between the cold end and the back surface of the sensor module, and The pixel displacement module is assembled in the sealing cavity and positioned on the back surface of the sensor module, and the pixel displacement module is used for driving the sensor module to move in an XY plane. Optionally, the at least two layers of heat conducting plates comprise a first refrigeration metal plate and a second refrigeration metal plate which are arranged in a laminated mode, the first refrigeration metal plate faces towards the cold end relative to the second refrigeration metal plate, the second refrigeration metal plate faces towards the sensor module relative to the first refrigeration metal plate, the sensor module comprises a sensor main body and a sensor driving plate connected with the sensor main body, the sensor driving plate is arranged on the back face of the sensor main body and provided with a through hole, and the second refrigeration metal plate passes through the through hole and contacts with the back face of the sensor main body. The pixel displacement module comprises a fixed module and a driving module connected with the fixed module, wherein the fixed module is fixedly assembled with the first refrigeration metal plate and the second refrigeration metal plate respectively and is arranged at intervals with the first refrigeration metal plate through a spacer, the driving module is positioned on the periphery of the second refrigeration metal plate and is in contact with the sensor driving plate, and the driving module moves in the XY plane relative to the fixed module so as to drive the sensor module to move in the XY plane. Optionally, a first gap is formed between the second refrigeration metal plate and the back surface of the sensor main body, and the first gap is filled with heat conduction liquid. Optionally, the heat conductive liquid has a heat conductivity of at least 2. Optionally, the first gap is set to a size of at most 1mm. Optionally, a second gap is formed between the second refrigeration metal plate and the first refrigeration metal plate, and a heat insulation pad is arranged in the second gap. Optionally, the thickness dimension of the heat insulation pad is set to at least 0.5mm. Optionally, the shell comprises a sealing shell, the sealing shell comprises a first sealing shell and a second sealing shell, the first sealing shell and the second sealing shell are assembled in a sealing mode to form the sealing cavity, the refrigeration camera further comprises a main control board, the main control board is clamped between the first sealing shell and the second sealing shell, a part of the main control board is located in the sealing cavity, and the rest part of the main control board is located outside the sealing cavity. Optionally, the refrigeration camera further comprises a heat conduction pad, and the heat conduction pad is arranged between the hot end and the first sealing shell. Optionally, the first sealing shell is a heat conducting metal cover plate. Optionally, the first refrigeration metal sheet is equipped with a plurality of fixed protruding muscle, refrigeration component is fixed in the region that a plurality of fixed protruding muscle enclose, just the week side of a plurality of fixed protruding muscle is fixed through the point gum. Optionally, the sensor driving board is electrically connected with the main control board in the sealed cavity through a flexible circuit board and a board connector. Optionally, the sealing shell further includ