INTEGRATED ROTARY MACHINE CHIP FOR LASER RADAR SENSOR

• US 20190324123A1
• Filed: 04/16/2019
• Published: 10/24/2019
• Est. Priority Date: 04/20/2018
• Status: Active Application

• Current Assignee: Jinhua Lanhai Photoelectricity Technology Co., Ltd.
• Original Assignee: Jinhua Lanhai Photoelectricity Technology Co., Ltd.
• Inventors: Yu, Weicai, Liu, Chongqiu, Wang, Yue
• Application Number:
  US16/385,397
• Publication Number:
  US 20190324123A1
• Time in Patent Office: Days
• CPC Class Codes: G01S 17/08 for measuring distance only indirect measurement G01S17/46; active triangulation systems G01S17/48
• CPC Class Codes: G01S 17/42 Simultaneous measurement of distance and other co-ordinates indirect measurement G01S17/46
• CPC Class Codes: G01S 7/481 Constructional features, e.g. arrangements of optical elements
• CPC Class Codes: G01S 7/4811 common to transmitter and receiver
• CPC Class Codes: G01S 7/4813 Housing arrangements
• CPC Class Codes: G01S 7/4817 relating to scanning
• CPC Class Codes: H01S 3/02 Constructional details housings or packages of fibre lasers H01S3/06704
• CPC Class Codes: H01S 3/034 Optical devices within, or forming part of, the tube, e.g. windows, mirrors reflectors having variable properties or positions for initial adjustment of the resonator H01S3/086

Abstract

The present invention discloses an integrated rotary machine chip for a laser radar sensor, comprising: a machine chip body, wherein two positioning bearings are arranged on the upper side and the lower side of the machine chip body respectively, the machine chip body includes a ranging transmitting board, a ranging receiving board, a laser ranging transmitting module, a laser ranging receiving module and a ranging mainboard, wherein the ranging transmitting board and the ranging receiving board are arranged on two sides of the machine chip body respectively. The present invention guarantees the optical path consistency before and after optically debugging the machine chip and adding the optical enclosure, and increases the ranging accuracy and stability; the machine chip is integrated in one piece, the three-dimensional space of the machine chip reasonably used, and the number of components is reduced.

Claims

1. An integrated rotary machine chip for a laser radar sensor, comprising:

a machine chip body (1), wherein two positioning bearings (2, 3) are arranged on the upper side and the lower side of the machine chip body (1) respectively, the two positioning bearings (2, 3) are coaxial, the machine chip body (1) includes a ranging transmitting board (9), a ranging receiving board (10), a laser ranging transmitting module, a laser ranging receiving module and a ranging mainboard (8), wherein the ranging transmitting board (9) and the ranging receiving board (10) are arranged on the front side and the rear side of the machine chip body (1) respectively, the ranging mainboard (8) is arranged on the left side of machine chip body (1), the machine chip body (1) is provided with a transmitting cavity and a receiving cavity, the transmitting cavity is located right above the receiving cavity, and the laser ranging transmitting module and the laser ranging receiving module are located in the transmitting cavity and the receiving cavity respectively.

2. The integrated rotary machine chip for a laser radar sensor according to claim 1, wherein the laser ranging transmitting module comprises a transmitting reflector adjusting slider (14) and a ranging transmitting lens (7) fixed to the transmitting reflector adjusting slider (14), and the laser ranging receiving module comprises a receiving reflector adjusting slider (15) and a ranging receiving lens (6) fixed to the receiving reflector adjusting slider (15), wherein the transmitting reflector adjusting slider (14) and the receiving reflector adjusting slider (15) are used to adjust positions of corresponding lenses.

3. The integrated rotary machine chip for a laser radar sensor according to claim 1, further comprising:

a brushless motor rotor (13), a wireless power supply mechanism (4), an upper wireless photoelectric communication circuit board (5) and a lower wireless photoelectric communication circuit board, wherein the brushless motor rotor (13) is connected with the machine chip body (1) to drive the machine chip body (1) to rotate, and the upper wireless photoelectric communication circuit board (5) is communicatively connected with the lower wireless photoelectric communication circuit board;

one end of the wireless power supply mechanism (4) is electrically connected with the lower wireless photoelectric communication circuit board, the other end thereof is electrically connected with the ranging mainboard (8) and the upper wireless photoelectric communication circuit board (5), and the wireless power supply mechanism is used to supply power for the laser ranging module.

4. The integrated rotary machine chip for a laser radar sensor according to claim 3, wherein a grating structure (11) and a photoelectric switch (12) matched with the grating structure (11) are arranged at the bottom of the machine chip body (1), the photoelectric switch (12) is matched with the grating structure (11) to detect the rotation speed, the brushless motor rotor (13) is located on the inside of the grating structure (11), and the brushless motor rotor (13) is surrounded by the grating structure (11).

5. The integrated rotary machine chip for a laser radar sensor according to claim 3, wherein the wireless power supply mechanism (4) supplies power for a magnetic core or supplies power for an internal/external transformer.

6. The integrated rotary machine chip for a laser radar sensor according to claim 1, wherein the ranging transmitting lens (7) is a 45-degree angle reflector or a 45-degree angle prism, and the ranging receiving lens (6) is a 45-degree angle reflector or a 45-degree angle prism.

7. The integrated rotary machine chip for a laser radar sensor according to claim 1, wherein the machine chip body (1) is also provided with a counterweight (16).

8. The integrated rotary machine chip for a laser radar sensor according to claim 1, wherein an enclosure is also arranged on the outside of the machine, chip body (1), the machine chip body (1) is surrounded by the enclosure, and the transmitting cavity and receiving cavity are in small clearance fit with the inner wall of the enclosure.

9. The integrated rotary machine chip for a laser radar sensor according to claim 1, wherein a base matched with the machine chip body is arranged at the bottom of the machine chip body (1).