Laser gas detector and laser gas detection system

Patent metadata

Field	Value
Publication number	US-2024061120-A1
Application number	US-202318499278-A
Country	US
Kind code	A1
Filing date	Nov 1, 2023
Priority date	Aug 16, 2018
Publication date	Feb 22, 2024
Grant date	—

Abstract

A laser gas detection system includes a laser gas detector and a near-eye display device. The laser gas detection system provided in the present disclosure incorporates modern display technologies and modern communication facilities to present detection results to a user of the laser gas detection system in various intuitive and highly readable forms. The laser gas detection system is further capable of projecting the detection results to a field of view of the user through the near-eye display device.

First claim

What is claimed is:

1 . A laser gas detector, comprising:
an emitter configured to emit a detection laser beam; a receiver configured to receive an echo signal of the detection laser beam and analyse the echo signal to determine a gas concentration parameter of a detection path along which the detection laser beam travels; and a communication interface configured to: establish a communication connection to a near-eye display device; transmit the gas concentration parameter to the near-eye display device for the near-eye display device to project the gas concentration parameter to a field of view of a wearer of the near-eye display device; and transmit directional information corresponding to the detection path, so that the near-eye display device combines and projects the gas concentration parameter and the directional information corresponding to the detection path to the field of view of the wearer of the near-eye display device.

2 . The laser gas detector according to claim 1 , wherein the laser gas detector obtains geographic coordinates of the laser gas detector; and
wherein the communication interface is further configured to provide the geographic coordinates to the near-eye display device, so that the near-eye display device combines and projects the gas concentration parameter and the geographic coordinates to the field of view of the wearer of the near-eye display device.

3 . The laser gas detector according to claim 1 , wherein the laser gas detector is a handheld laser methane telemeter, further comprises a visible beam emitter configured to emit a visible beam which has a propagation direction corresponding to a direction indicated by the detection path along which the detection laser beam travels, and is configured to provide the directional information.

4 . The laser gas detector according to claim 3 , further comprising a red dot sight configured to provide the directional information.

5 . The laser gas detector according to claim 1 , wherein the laser gas detector is a gimbal laser methane telemeter configured to provide the directional information through a gimbal; and
wherein the laser gas detector is an unmanned aerial vehicle-mounted laser methane telemeter configured to provide the directional information through an unmanned aerial vehicle.

6 . The laser gas detector according to claim 2 , wherein the communication interface is further configured to receive instruction information from the near-eye display device and perform an operation in accordance with the instruction information.

7 . A method of operating a laser gas detector, the method comprising:
emitting a detection laser beam; receiving an echo signal of the detection laser beam; analysing the echo signal to determine a gas concentration parameter of a detection path along which the detection laser beam travels; establishing a communication connection to a near-eye display device; transmitting the gas concentration parameter to the near-eye display device for the near-eye display device to project the gas concentration parameter to a field of view of a wearer of the near-eye display device; and transmitting directional information corresponding to the detection path, so that the near-eye display device combines and projects the gas concentration parameter and the directional information corresponding to the detection path to the field of view of the wearer of the near-eye display device.

8 . The method according to claim 7 , further comprising:
obtaining geographic coordinates of the laser gas detector; and providing the geographic coordinates to the near-eye display device, so that the near-eye display device combines and projects the gas concentration parameter and the geographic coordinates to the field of view of the wearer of the near-eye display device.

9 . The method according to claim 7 , wherein the laser gas detector is a handheld laser methane telemeter, and
wherein the method further comprises emitting a visible beam which has a propagation direction corresponding to a direction indicated by the detection path along which the detection laser beam travels, and is configured to provide the directional information.

10 . The method according to claim 9 , wherein the laser gas detector comprises a red dot sight configured to provide the directional information.

11 . The method according to claim 7 , wherein the laser gas detector is a gimbal laser methane telemeter attached to an unmanned aerial vehicle, and
wherein the method further comprises: providing the directional information through a gimbal; and providing the directional information through the unmanned aerial vehicle.

12 . The method according to claim 8 , further comprising:
receiving instruction information from the near-eye display device; and performing an operation in accordance with the instruction information.

13 . A non-transitory computer readable storage medium storing instructions for operating a laser gas detector, when the instructions are executed by a processor of the laser gas detector, the laser gas detector is configured to perform steps comprising:
emitting a detection laser beam; receiving an echo signal of the detection laser beam; analysing the echo signal to determine a gas concentration parameter of a detection path along which the detection laser beam travels; establishing a communication connection to a near-eye display device; transmitting the gas concentration parameter to the near-eye display device for the near-eye display device to project the gas concentration parameter to a field of view of a wearer of the near-eye display device; and transmitting directional information corresponding to the detection path, so that the near-eye display device combines and projects the gas concentration parameter and the directional information corresponding to the detection path to the field of view of the wearer of the near-eye display device.

14 . The non-transitory computer readable storage medium according to claim 13 , further comprising instructions for configuring the laser gas detector to perform steps further comprising:
obtaining geographic coordinates of the laser gas detector; and providing the geographic coordinates to the near-eye display device, so that the near-eye display device combines and projects the gas concentration parameter and the geographic coordinates to the field of view of the wearer of the near-eye display device.

15 . The non-transitory computer readable storage medium according to claim 13 , wherein the laser gas detector is a handheld laser methane telemeter, and
wherein the non-transitory computer readable storage medium further comprises instructions for configuring the laser gas detector to perform a step further comprising emitting a visible beam which has a propagation direction corresponding to a direction indicated by the detection path along which the detection laser beam travels, and is configured to provide the directional information.

16 . The non-transitory computer readable storage medium according to claim 15 , wherein the laser gas detector comprises a red dot sight configured to provide the directional information.

17 . The non-transitory computer readable storage medium according to claim 13 , wherein the laser gas detector is a gimbal laser methane telemeter attached to an unmanned aerial vehicle, and
wherein the non-transitory computer readable storage medium further comprises instructions for configuring the laser gas detector to perform steps comprising: providing the directional i

Assignees

• Hesai Technology Co Ltd

Inventors

• Sun Kai
• Tao Jun
• Xiang Shaoqing

Classifications

• G01S17/88 Primary

  Lidar systems specially adapted for specific applications · CPC title

• G01M3/38

  by using light (G01M3/02 takes precedence) · CPC title

• G01N21/01

  Arrangements or apparatus for facilitating the optical investigation · CPC title

• G06T7/73

  using feature-based methods · CPC title

• G01S17/04

  Systems determining the presence of a target · CPC title