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CN-224216046-U - Miniaturized device Displacement sensor

CN224216046UCN 224216046 UCN224216046 UCN 224216046UCN-224216046-U

Abstract

The utility model relates to the technical field of displacement sensors, in particular to a miniaturized displacement sensor which comprises an organism, a detection assembly, a first adjusting assembly, a second adjusting assembly and a mounting assembly, wherein the detection assembly is arranged on the inner side of the organism, the second adjusting assembly is arranged on the inner side of the organism, the mounting assembly is arranged on the outer side of the organism, the detection assembly comprises a laser generator, a first connecting frame, a first reflecting mirror surface, a second connecting frame, a second reflecting mirror surface, a third connecting frame and a laser receiver, and the packaging length of the sensor can be reduced while a certain optical path length is maintained through a refraction optical path.

Inventors

  • SHI HAOKUN
  • DAI HAORAN

Assignees

  • 辽宁工程技术大学

Dates

Publication Date
20260508
Application Date
20250721

Claims (7)

  1. 1. The miniaturized displacement sensor comprises an organism (1) and is characterized by further comprising a detection component, a first regulation component, a second regulation component and a mounting component, wherein the detection component is arranged on the inner side of the organism (1), the second regulation component is arranged on the inner side of the organism (1), the mounting component is arranged on the outer side of the organism (1), the detection component comprises a laser generator (101), a first connecting frame (102), a first reflecting mirror surface (103), a second connecting frame (104), a second reflecting mirror surface (105), a third connecting frame (106) and a laser receiver (107), the laser generator (101) is arranged on the inner side of the organism (1), the first connecting frame (102) is arranged on the inner side of the organism (1), the first reflecting mirror surface (103) is arranged on one side of the first connecting frame (102), the second connecting frame (104) is arranged on one side of the second connecting frame (104), the third connecting frame (106) is arranged on the inner side of the organism (1), and the laser receiver (107) is arranged on one side of the third connecting frame (106).
  2. 2. The miniaturized displacement sensor according to claim 1, wherein the first adjusting component comprises a first fixing frame (201), a first micro motor (202) and a first threaded rod (203), the first fixing frame (201) is arranged on the inner side of the machine body (1), the first micro motor (202) is arranged on the inner side of the first fixing frame (201), and the first threaded rod (203) is arranged at the output end of the first micro motor (202).
  3. 3. The miniaturized displacement sensor according to claim 2, wherein the first adjusting component further comprises a first movable frame (204), a second micro-motor (205) and a first rotating shaft (206), the first movable frame (204) is arranged on the outer side of the first threaded rod (203), the first movable frame (204) is in threaded connection with the first threaded rod (203), the second micro-motor (205) is arranged on the inner side of the first movable frame (204), the first rotating shaft (206) is arranged at the output end of the second micro-motor (205), and the first rotating shaft (206) and the first connecting frame (102) are connected with each other.
  4. 4. A miniaturized displacement sensor according to claim 3, wherein the first adjusting component further comprises a third micro motor (207), a second threaded rod (208), a second moving frame (209), a fourth micro motor (210) and a second rotating shaft (211), the third micro motor (207) is arranged below the first fixing frame (201), the second threaded rod (208) is arranged at the output end of the third micro motor (207), the second threaded rod (208) is in threaded connection with the second moving frame (209), the second moving frame (209) is arranged at the outer side of the second threaded rod (208), the fourth micro motor (210) is arranged at the inner side of the second moving frame (209), the second rotating shaft (211) is arranged at the output end of the fourth micro motor (210), and the second rotating shaft (211) and the second connecting frame (104) are connected with each other.
  5. 5. The miniaturized displacement sensor according to claim 1, wherein the second adjusting component comprises a second fixing frame (301), a fifth micro motor (302), a third threaded rod (303), a third moving frame (304), a sixth micro motor (305) and a third rotating shaft (306), the second fixing frame (301) is arranged on the inner side of the machine body (1), the fifth micro motor (302) is arranged below the second fixing frame (301), the third threaded rod (303) is arranged at the output end of the fifth micro motor (302), the third moving frame (304) is arranged on the outer side of the third threaded rod (303), the third moving frame (304) is in threaded connection with the third threaded rod (303), the sixth micro motor (305) is arranged on the inner side of the third moving frame (304), the third rotating shaft (306) is arranged at the output end of the sixth micro motor (305), and the third rotating shaft (306) is connected with the third connecting frame (106).
  6. 6. The miniaturized displacement sensor according to claim 1, wherein the mounting assembly comprises a mounting plate (401), a seventh micro motor (402) and a worm (403), the mounting plate (401) is arranged outside the machine body (1), the seventh micro motor (402) is arranged on one side of the mounting plate (401), and the worm (403) is arranged at the output end of the seventh micro motor (402).
  7. 7. The miniaturized displacement sensor according to claim 6, wherein the mounting assembly further comprises a worm wheel (404), a connecting rod (405) and a mounting frame (406), the worm wheel (404) is arranged on one side of the mounting plate (401), the worm wheel (404) is connected with the worm (403) in a meshed mode, the connecting rod (405) is arranged on one side of the worm wheel (404), the mounting frame (406) is arranged at one end of the connecting rod (405), and the mounting frame (406) is connected with the machine body (1).

Description

Miniaturized device Displacement sensor Technical Field The utility model relates to the technical field of displacement sensors, in particular to a miniaturized displacement sensor. Background The displacement sensor is used as a core device in the precision measurement field and widely applied to the fields of industrial automation, aerospace, consumer electronics and the like, a traditional displacement sensor generally adopts a laser triangulation principle, a typical structure of the displacement sensor comprises a linear light path system formed by a laser emitter, a reflecting mirror group and a receiver, the displacement sensor needs to adopt linear light path layout to ensure measurement range, the packaging length of the sensor is positively correlated with the light path length, the physical length of the sensor with the conventional range of 50mm is generally more than 120mm, the volume of the sensor is more than 80 multiplied by 40 multiplied by 30mm < 3 >, and the design is severely limited in the installation application of compact spaces such as a robot joint, a miniature equipment cavity and the like, so that the contradiction between a large-size sensor and a small installation space is formed. Therefore, in order to solve the above-mentioned problems, a miniaturized displacement sensor is proposed, the packaging length of the sensor can be reduced while a certain optical path length is maintained through the refraction optical path, the volume of the device is reduced, and the laser path emission path is finely tuned, so that the detection path of the sensor is adjusted when the sensor is used in an environment inconvenient to adjust the whole device, and the environmental applicability of the device is improved. Disclosure of utility model In order to overcome the problems that in the daily working process of using the traditional displacement sensor, a linear type optical path layout is adopted, so that the packaging length of the sensor is positively correlated with the optical path length, and the device is severely limited in the installation application of a compact space. The technical scheme includes that the miniaturized displacement sensor comprises a machine body, a detection assembly, a first adjusting assembly, a second adjusting assembly and a mounting assembly, wherein the detection assembly is arranged on the inner side of the machine body, the second adjusting assembly is arranged on the inner side of the machine body, the mounting assembly is arranged on the outer side of the machine body, the detection assembly comprises a laser generator, a first connecting frame, a first reflecting mirror surface, a second connecting frame, a second reflecting mirror surface, a third connecting frame and a laser receiver, the laser generator is arranged on the inner side of the machine body, the first connecting frame is arranged on the inner side of the machine body, the first reflecting mirror surface is arranged on one side of the first connecting frame, the second connecting frame is arranged on the inner side of the second connecting frame, the third connecting frame is arranged on the inner side of the machine body, and the laser receiver is arranged on one side of the third connecting frame. Preferably, the laser transmitter is started to emit laser rays, the laser rays are reflected to the second reflecting mirror surface through the first reflecting mirror surface, the laser rays are reflected to the outside of the machine body through the second reflecting mirror surface and are emitted to the object to be measured, the laser receiver is used for receiving rays reflected to the sensor from the object to be measured, the laser rays are emitted after being refracted through the reflecting mirror surface, the packaging length of the sensor can be reduced while a certain light path length is kept, the size of the device is reduced, and the first connecting frame, the second connecting frame and the third connecting frame are linearly moved and angularly adjusted, so that the emitting path of the laser path can be finely adjusted according to the actual detection environment and the detection object, the detection path of the sensor is adjusted when the device is used in the environment inconvenient to integrally adjust, and the environmental applicability of the device is improved. Preferably, the first adjusting component comprises a first fixing frame, a first micro motor and a first threaded rod, the first fixing frame is arranged on the inner side of the machine body, the first micro motor is arranged on the inner side of the first fixing frame, and the first threaded rod is arranged at the output end of the first micro motor. Preferably, the first adjusting component further comprises a first moving frame, a second micro motor and a first rotating shaft, the first moving frame is arranged on the outer side of the first threaded rod and is in threaded connection with the fir