WO2018023361A1

WO2018023361A1 - Distance detector having laser light source

Info

Publication number: WO2018023361A1
Application number: PCT/CN2016/092786
Authority: WO
Inventors: 邹霞; 钟玲珑
Original assignee: 邹霞
Priority date: 2016-08-02
Filing date: 2016-08-02
Publication date: 2018-02-08

Abstract

A distance detector having a laser light source, mainly composed of a transmitter, a receiver, a power supply counter and a left eyepiece display. The power supply counter is mainly composed of three power supply boards, a control board and a counting board. A power supply board No. 1 is a laser energy storage excitation circuit of a high-voltage power supply assembly; a power supply board No. 2 is composed of a reference voltage supply circuit, a power amplifier drive circuit and a voltage regulator circuit; a power supply board No.3 is a controllable power supply, which outputs controllable 5v and ± 6v, and is composed of three voltage regulator integrated circuits; the control board is composed of a variety of timing circuits; the counting board is composed of a count circuit and a display circuit; and the distance detector also comprises an avalanche diode and an amplifier circuit. A circuit board level inspection and repair platform is built so as to view a system assembly, perform integrity testing and position a fault of a circuit board card, thereby providing premise for fault building of an object under test in an engineering application of fault detection and carrying out an engineering application of links and relation transfer models in fault detection, the application thus having a good effect.

Description

Range finder with laser source

Technical field

The invention relates to a range finder with a laser light source, in particular to a range finder with a laser light source for realizing a link and a transmission relationship model, and belongs to the field of laser ranging.

Background technique

With the rapid development of science and technology, the detection of equipment presents the characteristics of comprehensive functions, advanced technology, complicated structure, high price, fast replacement, etc., so it puts higher requirements on the capabilities of equipment inspectors. The fault simulation-based detection technology acquires the response output of the fault state of the system under the test conditions, and based on this, designs the system to complete the automatic detection of the fault unit, which has the characteristics of high detection efficiency and accurate fault location; equipment based on semi-physical simulation The guarantee method adopts a certain method to realize the simulation of various faults, solves the difficulty in setting the fault in the actual training, and the lack of troubleshooting opportunities for the maintenance personnel. It has the characteristics of strong sense of reality, close proximity to the installation, and low cost. Modeling is the basis of simulation. Simulation is one of the important purposes of modeling, and the two are inseparable. System modeling is a mathematical or physical method based on the analysis or observation of the actual system, and the model is approximated or simplified by the actual system. The established model is actually a model established according to the purpose of the research, and is an abstract description of the essential attributes of a certain aspect of the system. The simulation is to use the model to reproduce the essential process occurring in the actual system. The essence is the operation of the model, applied to the test, analysis or training of the system. The system can be the real system or the real and conceptual system realized by the model.

Fault modeling was originally a concept proposed in fault diagnosis, and it is a process of establishing a fault model for various failure modes in the system. As the basis of fault diagnosis technology, fault modeling technology has been developed with the development of fault diagnosis technology, and the application object has been gradually expanded. According to the modeling method, the existing basic models mainly include quantitative models, qualitative models, causal dependence models, structural models, and multi-signal flow graph models.

System modeling and simulation technology is based on similar principles, model theory, system technology, information technology, and related professional technologies in modeling and simulation applications. Computer systems, application-related physical effects devices and simulators are used as tools. Model research, analysis, and design of actual or envisioned systems A multidisciplinary and comprehensive technology for processing, production, testing, operation, evaluation and maintenance activities.

technical problem

In view of the above deficiencies of the prior art, it is an object of the present invention to provide a range finder having a laser light source.

Problem solution

Technical solution

In order to achieve the above object, the present invention adopts the following technical solutions:

A range finder having a laser light source, mainly composed of a transmitter, a receiver, a power counter, a left eyepiece display, etc., wherein the power counter is mainly composed of three power boards, a control board, a counting board, etc. The board is a laser energy storage excitation circuit of the high voltage power supply component; the 2nd power supply board is composed of a reference voltage supply circuit, a power amplifier drive circuit, and a voltage stabilization circuit; the 3rd power supply board is a controllable power supply, and the output controllable 5V, ±6V, The three voltage stabilizing integrated circuits are composed; the control board is composed of various sequential circuits; the counting board is composed of a counting circuit and a display circuit; and the distance measuring instrument further comprises an avalanche diode and an amplifying circuit.

Preferably, the power supply counter is configured to provide a required power source for a range finder having a laser light source, and accurately determine a time interval between a main wave pulse and an echo signal, and generate a control signal and timing required for the ranging process, The distance is calculated and the calculated distance values are sent to the computer and the left eyepiece display, respectively.

Preferably, the power board No. 1 described above supplies power to the helium of the transmitter component while providing a bias power to the photodetecting element of the receiver.

Preferably, the power supply board No. 1 controls the high voltage power supply component of the power supply board No. 1 to modulate and boost, and simultaneously provides a low voltage +5V power supply.

Preferably, the control board performs timing control for laser ranging.

Preferably, the counting board controls the display unit to display the target distance value and send the target distance value to the computer.

Preferably, the avalanche diode and the amplifying circuit are configured to receive a laser signal and convert it into an electrical signal, and after output shaping, output an echo pulse to the counter.

Advantageous effects of the invention

Beneficial effect

Compared with the prior art, the distance measuring instrument with laser light source provided by the invention constructs a circuit board level inspection and maintenance platform, realizes the component inspection and integrity test of the sighting system and the fault location of the circuit board card, and is used for fault detection engineering application. The premise of fault modeling of the measured object is provided, and the engineering application of the link and transfer relationship model in fault detection is realized, and the application effect is good.

Brief description of the drawing

DRAWINGS

1 is a schematic structural view of a range finder having a laser light source according to the present invention.

Invention embodiment

Embodiments of the invention

The present invention provides a range finder having a laser light source. The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The distance measuring instrument with laser light source disclosed by the invention is composed of a transmitter, a receiver, a power counter, a left eyepiece display, etc., and the principle is shown in FIG. 1 . Wherein, the power counter is used to provide the required power for the range finder with the laser source, and accurately determine the time interval between the main wave pulse and the echo signal, and generate the control signals and timing required during the ranging process; Calculate and simultaneously send the calculated distance values to the computer and the left eyepiece display.

The power counter is mainly composed of three power boards, a control board, a counting board, and the like. The No. 1 power board is a laser energy storage excitation circuit for the high voltage power supply component, which supplies power to the helium gas of the transmitter component, and provides a bias power supply for the photodetector element of the receiver. The No. 2 power supply board consists of a reference voltage supply circuit, a power amplifier drive circuit, and a voltage stabilization circuit. Its function is to control the high-voltage power supply component of the No. 1 power supply board for modulation and boosting, and to provide a low-voltage +5V power supply. The No. 3 power supply board is a controllable power supply. The output is controllable 5V, ±6V, and consists of three voltage-stabilized integrated circuits. The control board consists of various sequential circuits for timing control of laser ranging. The counting board is composed of a counting circuit and a display circuit, which controls the display component to display the target distance value and send the target distance value to the computer. In addition, the avalanche diode and the amplifying circuit are configured to receive the laser signal and convert it into an electrical signal, and after output shaping, output an echo pulse to the counter.

The distance measuring instrument with laser light source provided by the invention constructs a circuit board level inspection and maintenance platform, realizes the component inspection and integrity test of the sighting system and the fault location of the circuit board card, and is tested for the fault detection engineering application. The object's fault modeling provides the premise, and realizes the engineering application of the link and transfer relationship model in fault detection, and the application effect is good.

It is to be understood that those skilled in the art can make equivalent substitutions or changes to the inventions and the inventions of the present invention, and all such changes or substitutions fall within the scope of the appended claims.

Claims

A range finder having a laser light source, wherein the range finder is mainly composed of a transmitter, a receiver, a power counter and a left eyepiece display, wherein the power counter is mainly composed of three power boards, a control board, and The counting board is composed of a power supply board of No. 1 which is a laser energy storage excitation circuit of the high voltage power supply component; the No. 2 power supply board is composed of a reference voltage supply circuit, a power amplifier driving circuit and a voltage stabilization circuit; the No. 3 power supply board is a controllable power supply, and the output is controllable 5V, ±6V, consists of 3 voltage-stabilized integrated circuits; the control board is composed of various sequential circuits; the counting board is composed of a counting circuit and a display circuit; the range finder also includes an avalanche diode and an amplifying circuit; The power counter is used to provide the required power for the range finder with the laser source, and accurately determine the time interval between the main wave pulse and the echo signal, generate the control signals and timing required during the ranging process, and calculate the target distance. At the same time, the calculated distance values are sent to the computer and the left eyepiece display respectively; the control board performs timing control for the laser ranging.
The range finder with a laser light source according to claim 1, wherein the power supply board No. 1 controls the high voltage power supply component of the power supply board No. 1 to modulate and boost, and simultaneously provides a low voltage +5 V power supply.
A range finder having a laser light source according to claim 1, wherein said power supply board No. 1 supplies power to the helium gas of the transmitter assembly while providing a bias power supply for the photodetector element of the receiver.
A range finder having a laser light source according to claim 1, wherein said counter control display means displays the target distance value and sends the target distance value to the computer.
The range finder having a laser light source according to claim 1, wherein the avalanche diode and the amplifying circuit are configured to receive the laser signal and convert it into an electrical signal, and after output shaping, output an echo pulse to the counter.