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CN-224218699-U - Photoelectric detector radiating fin

CN224218699UCN 224218699 UCN224218699 UCN 224218699UCN-224218699-U

Abstract

The utility model relates to the technical field of photoelectric detectors and discloses a photoelectric detector radiating fin which comprises a shell, wherein a supporting leg is fixedly connected to the outer wall of the shell, a disassembly and assembly mechanism is arranged on the shell, auxiliary installation mechanisms are arranged on two sides of the disassembly and assembly mechanism, the outer wall of an installation frame extrudes and moves a positioning rod, meanwhile, the second spring extrudes and returns, so that the positioning rod is pushed to outwards reset and move, the outer wall of the positioning rod is clamped on the inner wall of a positioning hole, the installation process of the installation frame is completed, the installed installation frame can be driven to move downwards through the mutual matching of a first spring, a sliding rod and a sliding block, and the radiating fin can be driven to move downwards, so that the bottom end of the radiating fin can be clung to the back of a chip in the detector, and the radiating efficiency is improved.

Inventors

  • XIAO XIANGTIAN
  • CHEN WEIQIAN
  • WU YAJUN
  • FENG BO
  • ZHANG YUERAN
  • CHEN SIXU
  • ZHANG PENG

Assignees

  • 长春理工大学

Dates

Publication Date
20260508
Application Date
20250422

Claims (7)

  1. 1. A photodetector heat sink comprises a housing (1); The utility model discloses a shell, including casing (1), supporting legs (2) are fixedly connected with to casing (1) outer wall, a serial communication port, be provided with dismouting mechanism (31) on casing (1), the both sides of dismouting mechanism (31) are provided with auxiliary installation mechanism (32), dismouting mechanism (31) include slide bar (311): The utility model discloses a heat dissipation device, including casing (1) inner wall, slide bar (311) upper and lower both ends fixed connection is at this spout inner wall, slide bar (311) outer wall sliding connection has slider (312), slider (312) bottom fixedly connected with first spring (313), slider (312) one end fixed connection is kept away from to first spring (313) at the spout inner wall, the slide hole has been seted up to slider (312) outer wall, this slide hole inner wall fixedly connected with second spring (314), second spring (314) are kept away from slide hole inner wall one end fixedly connected with locating lever (315), first movable slot (317) have been seted up on slider (312) top, first movable slot (317) inner wall sliding connection is provided with connecting rod (316), connecting rod (316) are kept away from first movable slot (317) one end fixed connection on the outer wall of locating lever (315), locating lever (315) outer wall block is connected with installing frame (3110), installing frame (3110) inner wall setting up heat dissipation device is equipped with locating plate (3110), installing frame (3110) outer wall setting up at this locating plate (3110).
  2. 2. The radiation fin of the photoelectric detector according to claim 1, wherein the auxiliary installation mechanism (32) comprises a fixing rod (321) fixedly connected to the shell (1), one end of the fixing rod (321) away from the shell (1) is fixedly connected with a threaded sleeve (322), the inner wall of the threaded sleeve (322) is in threaded connection with a screw rod (323), the outer wall of the screw rod (323) is fixedly connected with a rotating sleeve (324), one end of the screw rod (323) away from the threaded sleeve (322) is fixedly connected with a limiting pressing plate (325), and the bottom end of the supporting leg (2) is fixedly connected with a clamping rod (326).
  3. 3. The cooling fin of a photoelectric detector according to claim 1, wherein the number of the positioning rods (315) is four, the positioning rods (315) are distributed in the housing (1) in a symmetrical structure in pairs, and an inclined plane is formed at the top end of each positioning rod (315).
  4. 4. The cooling fin of a photoelectric detector according to claim 1, wherein the outer wall of the sliding block (312) is matched with the inner wall of a sliding groove formed in the inner wall of the housing (1), and the outer wall of the positioning rod (315) is matched with the inner wall of a sliding hole formed in the outer wall of the sliding block (312).
  5. 5. A heat sink for a photodetector according to claim 1, wherein the inner walls of said first and second movable grooves (317, 318) are adapted to fit against the outer walls of the connecting rod (316).
  6. 6. A photo detector cooling fin according to claim 2, wherein the number of the screws (323) is four, and the screws (323) are distributed on the housing (1) in a symmetrical structure in pairs.
  7. 7. The heat sink of claim 2, wherein the limit platen (325) is made of rubber.

Description

Photoelectric detector radiating fin Technical Field The utility model belongs to the technical field of photoelectric detectors, and particularly relates to a radiating fin of a photoelectric detector. Background The principle of the photodetector is that the electrical conductivity of the illuminated material is changed by radiation. Photoelectric detectors have wide application in various fields of military and national economy. The infrared sensor is mainly used for ray measurement and detection, industrial automatic control, photometry and the like in the visible light or near infrared wave bands, and is mainly used for missile guidance, infrared thermal imaging, infrared remote sensing and the like in the infrared wave bands. In the working process of the photoelectric detector, heat is generated in the processes of photoelectric conversion and the like, however, most of the existing radiating fins are fixed by using a welding or gluing fixing mode when radiating fins are used for radiating, so that the installation efficiency of the radiating fins can be greatly affected, and the follow-up overhaul of the radiating fins is inconvenient. The present utility model has been made in view of this. Disclosure of utility model In order to solve the technical problems that the photoelectric detector generates heat in the working process due to the photoelectric conversion and other processes, however, most of the existing radiating fins are fixed by using a welding or gluing fixing mode when radiating, so that the installation efficiency of the radiating fins can be greatly influenced, and the follow-up overhaul of the radiating fins is inconvenient, the basic conception of the technical scheme adopted by the utility model is as follows: A radiation fin of a photoelectric detector comprises a shell; The outer wall of the shell is fixedly connected with supporting feet, the shell is provided with a disassembly and assembly mechanism, the both sides of dismouting mechanism are provided with supplementary installation mechanism, dismouting mechanism includes the slide bar: The sliding rod is characterized in that a sliding groove is formed in the inner wall of the shell, the upper end and the lower end of the sliding rod are fixedly connected to the inner wall of the sliding groove, a sliding block is slidably connected to the outer wall of the sliding rod, a first spring is fixedly connected to the bottom end of the sliding block, a first spring is far away from one end of the sliding block, a sliding hole is formed in the outer wall of the sliding block, a second spring is fixedly connected to the inner wall of the sliding hole, a positioning rod is fixedly connected to one end of the inner wall of the sliding hole, a first movable groove is formed in the top end of the sliding block, a connecting rod is slidably arranged on the inner wall of the first movable groove, a connecting rod is far away from one end of the first movable groove and is fixedly connected to the outer wall of the positioning rod, a mounting frame is fixedly connected to the outer wall of the positioning rod, a radiating fin is arranged on the inner wall of the mounting frame, and the outer wall of the positioning rod is clamped on the inner wall of the positioning hole. As a preferred embodiment of the utility model, the auxiliary mounting mechanism comprises a fixed rod fixedly connected to the shell, one end of the fixed rod, far away from the shell, is fixedly connected with a threaded sleeve, the inner wall of the threaded sleeve is in threaded connection with a screw rod, the outer wall of the screw rod is fixedly connected with a rotating sleeve, one end of the screw rod, far away from the threaded sleeve, is fixedly connected with a limiting pressing plate, and the bottom end of the supporting foot is fixedly connected with a clamping rod. As a preferred implementation mode of the utility model, the number of the positioning rods is four, the positioning rods are distributed in the shell in a symmetrical structure in pairs, and the top ends of the positioning rods are provided with inclined planes. As a preferred implementation mode of the utility model, the outer wall of the sliding block is matched with the inner wall of the sliding groove formed in the inner wall of the shell, and the outer wall of the positioning rod is matched with the inner wall of the sliding hole formed in the outer wall of the sliding block. As a preferable implementation mode of the utility model, the inner walls of the first movable groove and the second movable groove are matched with the outer wall of the connecting rod in a fitting way. As a preferred embodiment of the utility model, the number of the screws is four, and the screws are distributed on the shell in a symmetrical structure in pairs. In a preferred embodiment of the present utility model, the material of the limiting pressing plate is a rubber material. Compared with the prior art, the