CN207992442U - A kind of three-dimensional radar life detection positioning device - Google Patents

Abstract

The utility model discloses a kind of three-dimensional radar life detection positioning devices, main includes transmitting subsystem, receiving subsystem, multichannel data acquisition system, main control unit, wireless line traffic control terminal, power module, by by marx pulse-generating circuits, three avalanche transistors, the high amplitude pulses of the nanosecond of Resonant Mode Trigger Circuits composition emit subsystem, reception echo is carried out by receiving subsystem, by noise reduction unit, filter unit, the processing of information amplifying unit, incoming multi-channel data collection unit carries out sampling processing, the result of sampling processing comes in and goes out by DSP data processing units and WiFi communication module and the main control unit for running linux system, bidirectional data communication is carried out to wireless line traffic control terminal by 2.4GWiFi.In short, the utility model can realize three-dimensional localization life detection, the distortion of impulse wave is prevented, improve the clear of the image of three-dimensional simulation and receives the intensity of weak signal.

Description

A kind of three-dimensional radar life detection positioning device

Technical field

The utility model belongs to life detection radar field, and in particular to a kind of three-dimensional radar life detection positioning device.

Background technology

Radar life-detection instrument currently on the market is all that one-dimensional single-shot list receives radar, is only capable of realizing the effective of distance dimension Detection, can not be accurately positioned the specific orientation of trapped person；And due to the complexity of Accidents Disasters site environment, lead to this one The radar life-detection instrument penetrability of dimension is poor, false-alarm is larger, to be delayed valuable rescue time.

In the prior art when the position to detection carries out radar scanning processing, it can not ensure that emitting impulse wave is carrying out spoke The distortion and smear effects with impulse wave when echo are penetrated, causes the parameter received unstable, influence serious in this way is visited The progress of work of survey, in addition under complex environment, the interference sound frequency of surrounding is more, if noise reduction process, meeting cannot be carried out The interference that docking is collected mail number is increased, and during being carried out at the same time search and rescue, the cover due to various disorders object and shelter target, especially When it is life entity target and humble vital sign, it is difficult to breathing and the low signal of palmic rate be captured, to influence target It can not detect, increase the workload of search, increase processing data and be converted to clearly image, ensure that target location is in-built Accurately.In short, needing one kind that can prevent impulse wave from distortion and smear effects occurring when being detected, the external world can be reduced Other signals interference, intensity and accurate three-dimensional detection, tracking, the positioning of signal can be increased, and pass through wireless terminal The real-time specific orientation of display target.

Utility model content

For the above technical problem, the utility model provides a kind of three-dimensional radar life detection positioning device.

The technical solution of the utility model：A kind of three-dimensional radar life detection positioning device, it is main include transmitting subsystem, Receiving subsystem, multichannel data acquisition system, main control unit, wireless line traffic control terminal, power module, in the transmitting subsystem Portion is equipped with nanosecond transmitter, and the nanosecond transmitter, which is connected by circuit with transmitting antenna, carries out transmitting high-frequency electromagnetic arteries and veins Punching, the receiving subsystem are internally provided with receiver, and there are two the receivers, corresponding respectively to pass through circuit and reception antenna phase It repeatedly kicks into row and receives echo, receiver includes noise reduction unit, filter unit, information amplifying unit, and the noise reduction unit, filtering are single Member, information amplifying unit are sequentially connected, and the noise reduction unit will receive the noise signal eliminated in echo and carry out offsetting the external world Noise interferes, and the filter unit is described further by the quality for receiving interference signal in echo and improving image after counteracting Signal faint in the reception echo of filtering is amplified the quality and stability that processing improves transmission, institute by information amplifying unit It states multichannel data acquisition system to connect with receiver, multichannel data acquisition system includes that high-speed AD sampling unit is determined with synchronous Shi Danyuan, the high-speed AD sampling unit by treated receive echo carry out A/D conversions data and memory between it is straight Connect transmission and realize efficient, the synchronization timing unit realizes that receiver receives the synchronism of signal, the main control unit with it is more Channel data collecting unit connects, and main control unit includes DSP data processing units and WIFI communication modules, at the DSP data Reason unit is connect with the prewarning unit, and the WIFI communication modules are connect with DSP data processing units, DSP data processing lists Member is responsible for digital signal carrying out high speed processing, and digital signal that WIFI communication modules receive that treated ensures that digital signal is defeated Stability when going out, the wireless line traffic control terminal carry out data conveying with main control unit by WIFI, convenient for observing and being responsible for number It is stored according to analysis, realizes that interworking, the power module provide electricity to main control unit and multichannel data acquisition system respectively Source.

Further, DSP data processing units run linux system, more stablize and multitask remotely carries out processing letter Number.

Further, emit the high amplitude pulses source of the nanosecond of subsystem, including marx pulse-generating circuits, three snowslides Triode, Resonant Mode Trigger Circuits, power module, wireless line traffic control terminal transmission Detection location instruction, Detection location instruction are passed through Main control unit and multi-channel data collection unit are passed to transmitting subsystem, by the input terminal of Resonant Mode Trigger Circuits, then pass through The output end of the parallel circuit of the marx pulse-generating circuits and three avalanche transistors is the high amplitude pulses of the nanosecond Source is powered by power module, can preferably be launched the synchronous superposition of stable nanosecond pulse wave, be improved and stablize Property, prevent distortion and smear effects.

Further, receiving subsystem includes the independent receiver module of two-way and reception antenna, is distributed in transmitting loom System both sides receive the echo-signal of target reflection by reception antenna, form three-dimensional localization.

Further, wireless line traffic control terminal is the tablet computer of Android system, is led to using 2.4GWiFi progress bi-directional datas Letter more preferably can carry out video to the data of echo and show, prevent from interrupting.

Further, transmitting antenna is symmetric trapezium structure, prevents the dispersion to search coverage pulses of radiation wave, enhancing collection It is neutral.

The working method of the utility model：Three-dimensional localization is carried out by the cooperation of transmitting antenna and reception antenna, will be emitted The impulse wave that strong penetrability can be provided in subsystem with nanosecond transmitter is radiated, single by noise reduction unit, filtering Member, the receiving subsystem progress Echo Processing of information amplifying unit composition, can be handled interference signal with validation, then lead to It crosses multichannel data acquisition system to handle signal, to treated, signal is acquired main control unit transmits by WIFI It is performed image display to main line line traffic control terminal.

Compared with prior art, the beneficial effects of the utility model：Compared with prior art, the beneficial effect of the utility model Fruit：A kind of three-dimensional radar life detection positioning device carries out localization process using three-dimensional radar, can realize multiple target inspections It surveys, makes the pulse echo of return that there is high-resolution, data are converted and are shown in wireless line traffic control terminal progress video, and are led to Adjustment reception antenna and transmitting antenna are crossed, the environment of radiation areas is monitored in real time, realizes quick, the high score to target point That distinguishes is accurately positioned, and sees the video image of target point and the three-dimensional of radiation areas in real time in wireless line traffic control terminal, transmitting Subsystem is equipped with the structural unit for preventing impulse wave distortion, can preferably launch the synchronization of stable nanosecond pulse wave Superposition improves stability, prevents distortion and smear effects, and transmitting antenna can be realized for symmetric trapezium and penetrated by force Property and centrality reduce radiation areas external environment to the interference of impulse wave and because of pulse in addition noise reduction unit and filter unit The image that the distortion of wave causes reception echo to transmit is incomplete, influences the course, the processing to being received back wave passes through amplifying unit Amplification, the loss of the positioning signal of target point can be prevented to the detection and collection of weak signal, it is real to pass through wireless line traffic control terminal Existing handling result show realizes that separate men from machines, remote control improve the detection performance of system with order control, when use.

Description of the drawings

Fig. 1 is the system structure principle framework figure of the utility model；

Fig. 2 is the principle framework figure of the transmitting subsystem of the utility model；

Fig. 3 is the overall structure diagram of the utility model；

Fig. 4 is the internal circuit diagram of the utility model.

Specific implementation mode

It is new to this practicality with reference to Fig. 1-4 and specific embodiment for ease of the understanding to technical solutions of the utility model Type is further explained explanation, and embodiment does not constitute the restriction to scope of protection of the utility model.

As shown in Fig. 1,3,4, a kind of three-dimensional radar life detection positioning device, main includes transmitting subsystem, reception System, multichannel data acquisition system, main control unit, wireless line traffic control terminal, power module, transmitting subsystem internal are equipped with nanosecond Grade transmitter, nanosecond transmitter, which is connected by circuit with transmitting antenna, carries out transmitting high-frequency electromagnetic pulse, and transmitting antenna is Symmetric trapezium structure prevents the dispersion to search coverage pulses of radiation wave, enhances centrality, and receiving subsystem is internally provided with reception Machine, receiver include the independent receiver module of two-way and reception antenna, are distributed in transmitter subsystem both sides, by receiving day Line receives the echo-signal of target reflection, forms three-dimensional localization, and receiver correspondence, which is connected by circuit with reception antenna, to be connect Wave is withdrawn, receiver includes noise reduction unit, filter unit, information amplifying unit, and noise reduction unit, filter unit, information amplification are single Member is sequentially connected, and noise reduction unit will receive the noise signal eliminated in echo and carry out offsetting external noise interference, filter unit Further by the quality for receiving interference signal in echo and improving image after counteracting, information amplifying unit is received back filtering Faint signal is amplified the quality and stability that processing improves transmission in wave, and multichannel data acquisition system connects with receiver It connects, multichannel data acquisition system includes high-speed AD sampling unit and synchronization timing unit, after high-speed AD sampling unit will be handled The directly transmission that echo carries out between the data and memory of A/D conversions that receives realize efficient, synchronization timing unit realization Receiver receives the synchronism of signal, and main control unit is connect with multi-channel data collection unit, and main control unit includes DSP data Processing unit and WIFI communication modules, WIFI communication modules are connect with DSP data processing units, the operation of DSP data processing units Linux system, more stablizes and multitask carries out processing signal, and DSP data processing units are responsible for digital signal carrying out high speed Processing, WIFI communication modules receive treated digital signal, ensure stability when digital signal output, wireless line traffic control terminal Data conveying is carried out by WIFI with main control unit, wireless line traffic control terminal is the tablet computer of Android system, utilizes 2.4GWiFi Bidirectional data communication is carried out, can video more preferably be carried out to the data of echo and shown, prevent from interrupting, convenient for observing and being responsible for data Analysis storage realizes that interworking, power module provide power supply to main control unit and multichannel data acquisition system respectively.

As shown in Fig. 2, the high amplitude pulses source of the nanosecond of transmitting subsystem, including marx pulse-generating circuits, three snow Triode, Resonant Mode Trigger Circuits, wireless line traffic control terminal transmission Detection location instruction are collapsed, main control unit is passed through in Detection location instruction And multi-channel data collection unit, it is passed to transmitting subsystem, by the input terminal of Resonant Mode Trigger Circuits, then passes through marx pulses The output end of the parallel circuit of generation circuit and three avalanche transistors is the high amplitude pulses source of nanosecond, is carried out by power module Power supply prevents the impulse wave launched from generating distortion and smear effects.

The working method of the utility model：Three-dimensional localization is carried out by the cooperation of transmitting antenna and reception antenna, will be emitted The impulse wave that strong penetrability can be provided in subsystem with nanosecond transmitter is radiated, single by noise reduction unit, filtering Member, the receiving subsystem progress Echo Processing of information amplifying unit composition, can be handled interference signal with validation, then lead to It crosses multichannel data acquisition system to handle signal, to treated, signal is acquired main control unit transmits by WIFI It is performed image display to main line line traffic control terminal.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that： It can still modify to the technical solution recorded in previous embodiment, or be equal to which part technical characteristic It replaces；And these modifications or replacements, the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution Spirit and scope.

Claims (7)

1. a kind of three-dimensional radar life detection positioning device, which is characterized in that it is main include transmitting subsystem, receiving subsystem, Multichannel data acquisition system, main control unit, wireless line traffic control terminal, power module, the transmitting subsystem internal are equipped with nanosecond Grade transmitter, the nanosecond transmitter, which is connected by circuit with transmitting antenna, carries out transmitting high-frequency electromagnetic pulse, described to connect It receives subsystem internal and is equipped with receiver, there are two the receivers, and correspondence, which is connected by circuit with reception antenna, respectively is connect Wave is withdrawn, receiver includes noise reduction unit, filter unit, information amplifying unit, and the noise reduction unit, filter unit, information are put Big unit is sequentially connected, and the noise reduction unit will receive the noise signal eliminated in echo and carry out offsetting external noise interference, For the filter unit further by the quality for receiving interference signal in echo and improving image after counteracting, described information amplification is single Signal faint in the reception echo of filtering is amplified the quality and stability that processing improves transmission, the multichannel number by member It is connect with receiver according to acquisition system, multichannel data acquisition system includes high-speed AD sampling unit and synchronization timing unit, institute State high-speed AD sampling unit by treated receive echo carry out A/D conversions data and memory between direct transmission realization High efficiency, the synchronization timing unit realize that receiver receives the synchronism of signal, and the main control unit is adopted with multi-channel data Collect unit connection, main control unit includes DSP data processing units and WIFI communication modules, the WIFI communication modules and DSP numbers It is connected according to processing unit, DSP data processing units are responsible for digital signal carrying out high speed processing, WIFI communication module receptions processing Digital signal afterwards, ensures stability when digital signal output, the wireless line traffic control terminal and main control unit by WIFI into Row data convey, and convenient for observing and being responsible for data analysis storage, realize interworking, the power module is respectively to main control unit Power supply is provided with multichannel data acquisition system.

2. a kind of three-dimensional radar life detection positioning device as described in claim 1, which is characterized in that at the DSP data It manages unit and runs linux system.

3. a kind of three-dimensional radar life detection positioning device as described in claim 1, which is characterized in that the transmitting subsystem Nanosecond high amplitude pulses source, including marx pulse-generating circuits, three avalanche transistors, Resonant Mode Trigger Circuits, power supplys The main control unit and multichannel number are passed through in module, the wireless line traffic control terminal transmission Detection location instruction, Detection location instruction According to collecting unit, it is passed to transmitting subsystem, is produced by the input terminal of the Resonant Mode Trigger Circuits, then by the marx pulses The output end of the parallel circuit of raw circuit and three avalanche transistors is the high amplitude pulses source of the nanosecond, by the electricity Source module is powered.

4. a kind of three-dimensional radar life detection positioning device as described in claim 1, which is characterized in that the receiving subsystem Including the independent receiver module of two-way and reception antenna, it is distributed in transmitter subsystem both sides.

5. a kind of three-dimensional radar life detection positioning device as described in claim 1, which is characterized in that the wireless line traffic control is whole End is the tablet computer of Android system, carries out bidirectional data communication using 2.4GWiFi.

6. a kind of three-dimensional radar life detection positioning device as described in claim 1, which is characterized in that the transmitting antenna is Symmetric trapezium structure.

7. a kind of three-dimensional radar life detection positioning device as described in claim 1, which is characterized in that the wireless line traffic control is whole End carries out bidirectional data communication using 2.4GWiFi.