阅读说明：本技术 一种用于矿山人员定位救援的gt机 (GT machine for positioning and rescuing mine personnel ) 是由 刘霞 陈茂云 于 2020-03-31 设计创作，主要内容包括：本发明公开的属于矿山救援技术领域,具体为一种用于矿山人员定位救援的GT机,包括主机箱,所述主机箱的内部从上到下并列安装有ITU-DFB-LD激光器、与ITU-DFB-LD激光器有着微小差异的可调波长激光器和光探测器,所述ITU-DFB-LD激光器和可调波长激光器均连接有光谱分光器件,所述ITU-DFB-LD激光器和可调波长激光器的右端均安装有传感器,所述传感器的右端设置有透光片,所述透光片嵌套在主机箱的内部右端,所述传感器的右端安装有耦合器,且耦合器位于透光片的左侧,本装置即时性较高、误报率低,施工及维护成本低,探测率高、定位精准度较高,适应环境能力强。(The invention discloses a GT machine for positioning and rescuing mine personnel, which belongs to the technical field of mine rescue, and particularly relates to a GT machine for positioning and rescuing mine personnel, which comprises a main machine box, wherein an ITU-DFB-LD laser, a wavelength-adjustable laser and a light detector which have slight difference with the ITU-DFB-LD laser are arranged in the main machine box in parallel from top to bottom, the ITU-DFB-LD laser and the wavelength-adjustable laser are both connected with a spectrum light splitting device, sensors are respectively arranged at the right ends of the ITU-DFB-LD laser and the wavelength-adjustable laser, a light transmitting sheet is arranged at the right end of the sensor and is embedded at the right end in the main machine box, a coupler is arranged at the right end of the sensor, and the coupler is positioned at the left side of the light transmitting sheet The positioning accuracy is higher, and the environmental adaptability is strong.)

1. The utility model provides a GT machine for mine personnel location rescue, includes the mainframe box, its characterized in that: the wavelength tunable laser and the light detector which have slight difference with the ITU-DFB-LD laser are arranged in the mainframe box in parallel from top to bottom, the ITU-DFB-LD laser and the wavelength tunable laser are both connected with a spectrum light splitting device, sensors are arranged at the right ends of the ITU-DFB-LD laser and the wavelength tunable laser, a light transmitting sheet is arranged at the right end of the sensor, and the light transmitting sheet is nested at the right end of the inside of the mainframe box.

2. A GT machine for mine personnel positioning rescue according to claim 1, wherein: the wavelength difference range of the ITU-DFB-LD laser and the tunable laser is between 100 nm and 200 nm.

3. A GT machine for mine personnel positioning rescue according to claim 1, wherein: the right end of the sensor is provided with a coupler, and the coupler is positioned on the left side of the light-transmitting sheet.

4. A GT machine for locating rescue of mine personnel according to claim 3, wherein: the coupler is a low-power consumption optical fiber coupler with a single loss value of 3-5 db.

5. A GT machine for mine personnel positioning rescue according to claim 1, wherein: radiating grooves are formed in the front end and the rear end of the mainframe box.

6. A GT machine for mine personnel positioning rescue according to claim 1, wherein: and a return optical fiber interface corresponding to the position of the optical detector is arranged at the right lower end of the mainframe box.

Technical Field

The invention relates to the technical field of mine rescue, in particular to a GT machine for positioning and rescuing mine personnel.

Background

The light is used as a communication medium and is applied to all corners in life, the stability of the light influences the communication quality, particularly in important large-scale scenes such as national defense borders, high-speed rails, communication lines, oil pipelines and the like, the stability of the optical fiber at the position is often influenced when an accident occurs, and then the accident occurrence place can be determined by determining the position where the light stability is influenced, so that rescue can be timely initiated.

The existing device has the problems of poor instantaneity, high false alarm rate, high construction and maintenance cost, low detection rate, poor positioning accuracy and poor environment adaptability.

Disclosure of Invention

The invention aims to provide a GT machine for positioning and rescuing mine personnel, which aims to solve the problems of poor instantaneity, high false alarm rate, high construction and maintenance cost, low detection rate, poor positioning accuracy and poor environment adaptability in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a GT machine for positioning and rescuing mine personnel comprises a main case, wherein an ITU-DFB-LD laser, a wavelength-adjustable laser with slight difference with the ITU-DFB-LD laser and a light detector are arranged in the main case from top to bottom in parallel, the ITU-DFB-LD laser and the wavelength-adjustable laser are both connected with a spectrum light splitting device, sensors are arranged at the right ends of the ITU-DFB-LD laser and the wavelength-adjustable laser, a light transmitting sheet is arranged at the right end of each sensor, and the light transmitting sheet is nested at the right end in the main case.

Preferably, the wavelength difference between the ITU-DFB-LD laser and the tunable laser is in the range of 100-200 nm.

Preferably, a coupler is installed at the right end of the sensor, and the coupler is located at the left side of the light-transmitting sheet.

Preferably, the coupler is a low-power consumption optical fiber coupler with a single loss value of between 3 and 5 db.

Preferably, the front end and the rear end of the mainframe box are both provided with heat dissipation grooves.

Preferably, a return optical fiber interface corresponding to the position of the optical detector is installed at the right lower end of the main cabinet.

Compared with the prior art, the invention has the beneficial effects that:

1) the device adopts a beat frequency coherence technology, and has high instantaneity, high detection rate and high positioning accuracy;

2) the device has uniform detection signals, so that a linear test system is obtained, and the condition of false alarm cannot exist;

3) the device can be installed at any end of the optical fiber, can play a role, has strong capability of adapting to the landscape and has low construction and maintenance cost.

Drawings

FIG. 1 is a system architecture diagram of the present invention;

FIG. 2 is a flow chart of the present invention;

FIG. 3 is a diagram of the practical application of the present invention;

FIG. 4 is a diagram of the variation of the optical path according to the present invention;

FIG. 5 is a diagram of a mixed light with a small difference frequency according to the present invention;

FIG. 6 is a beat frequency coherent light diagram of the present invention;

FIG. 7 is a graph of sensitivity adjustment for dry eyes according to the present invention;

fig. 8 is a schematic diagram of the positioning of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.