[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN207799945U - Rail traffic location simulation system based on induction loop - Google Patents

Rail traffic location simulation system based on induction loop Download PDF

Info

Publication number
CN207799945U
CN207799945U CN201721252979.7U CN201721252979U CN207799945U CN 207799945 U CN207799945 U CN 207799945U CN 201721252979 U CN201721252979 U CN 201721252979U CN 207799945 U CN207799945 U CN 207799945U
Authority
CN
China
Prior art keywords
relay
indoor
train
signal receiver
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201721252979.7U
Other languages
Chinese (zh)
Inventor
黄聪
金丽丽
黄莺
蒋笑宇
蔡晨
贾雪涛
杨华勋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liuzhou Railway Vocational Technical College
Original Assignee
Liuzhou Railway Vocational Technical College
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Liuzhou Railway Vocational Technical College filed Critical Liuzhou Railway Vocational Technical College
Priority to CN201721252979.7U priority Critical patent/CN207799945U/en
Application granted granted Critical
Publication of CN207799945U publication Critical patent/CN207799945U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Train Traffic Observation, Control, And Security (AREA)

Abstract

A kind of rail traffic location simulation system based on induction loop, including induction loop positioning device, cab signal transmitter I, cab signal transmitter II, section occupy detection circuit and computer system;Induction loop positioning device includes:Indoor check sender unit, indoor check signal receiver, indoor train signal receiver I, indoor train signal receiver II and relay tripper.The analogue system is using induction loop, computer system as core, the signal that cab signal transmitter I and cab signal transmitter II are sent is received by indoor train signal receiver I and indoor train signal receiver II, the connection of transmitter and induction loop is checked in disconnection chamber, the relay switch that the section track occupies detection circuit is set to fall, it connects section and occupies indicating circuit, realize simulation train positioning, registration, it is simple, convenient, entire simulation process is intuitively shown eventually by terminal, teaching efficiency is good, efficient, at low cost.

Description

Rail traffic location simulation system based on induction loop
Technical field
The utility model is related to a kind of rail traffic location simulation systems, more particularly to a kind of to be suitable for Vocational institute School, rail traffic enterprise carry out the rail traffic location simulation system based on induction loop of technical training.
Background technology
Rail traffic has accuracy, continuity and reliability to train positioning requirements;Current track traffic is applied Train locating method has track circuit positioning, meter shaft positioning, inquiry --- and transponder positioning, speed-position detection, cross-inductive loop wire are fixed Position, wireless communication positioning etc., the above train locating method has obtained good application in the rail traffic in city, wherein one A little technologies have been realized in movable block, track precision to improve train position, allow follow-up train by the line areas The forward last vehicle of train position that section maximum permission speed safely confirms close to last time, and safe distance is kept therewith;Together When, train need not stopping ahead in occupied track circuit subregion inlet, interval significantly shortens.
Have some rail transit train localization methods at present and be used for simulation teaching and training, is based particularly on induction loop Localization method, but due to not establishing dedicated analogue system, substantially imparted knowledge to students and trained with true equipment, Therefore it has the following disadvantages:
1. equipment not only takes up a large area, but also of high cost, procurement cycle is long;
2. utilization rate is not high, maintenance period is long, and maintenance cost is high;
3. equipment is excessively complicated, inconvenient, the needs of teaching cannot be met, or even need to disconnect with actual teaching.
Utility model content
The purpose of this utility model is that be accurately positioned in view of the above-mentioned problems, providing one kind, it is easy to operate based on induction The rail traffic location simulation system of loop wire, to overcome the above-mentioned deficiency present in prior art.
The technical scheme adopted by the utility model is that:A kind of rail traffic location simulation system based on induction loop, packet It includes induction loop positioning device, cab signal transmitter I, cab signal transmitter II, section and occupies detection circuit and computer System;
The cab signal transmitter I is located at the front of train, and cab signal transmitter II is located at the rear portion of train, described Induction loop positioning device, section occupy detection circuit and computer system is located in track section;
The induction loop positioning device includes:Indoor check sender unit, indoor check signal receiver, indoor row Vehicle signal receiver I, indoor train signal receiver II and relay tripper;
It includes that section occupies indicating circuit and relay III that the section, which occupies detection circuit, and section occupies indicating circuit Distinguish the movable contact and fixed contact of the switch III of contact relay III, the indoor check of the termination of electromagnetic coil III 1 of relay III in both ends Signal receiver, other end ground connection;
The relay tripper includes relay I and relay II, and the termination of electromagnetic coil I 1 of relay I is indoor Train signal receiver I, other end ground connection;The indoor train signal receiver II of the termination of electromagnetic coil II 1 of relay II, separately One end is grounded;The switch I of relay I and the switch II of relay II are serially connected in the terminal B of induction loop and indoor check signal Between receiver;
The cab signal transmitter I, cab signal transmitter II, indoor check sender unit, indoor check signal Receiver, I indoor train signal receiver II of indoor train signal receiver are all made of SX1278 wireless modules, and pass through respectively RS485 serial communication bus is connect with computer system;
The ends RS485A of the SX1278 wireless modules of the interior check sender unit by relay tripper it Relay switch I and relay switch II connect the terminal B of induction loop, and RS232 terminates computer system;
The terminal A of the ends the RS485A connection induction loop of the SX1278 wireless modules of indoor check signal receiver, The ends RS485B jointing occupies the electromagnetic coil III of the relay III of detection circuit, and RS232 terminates computer system;
The terminal A of the ends the RS485A connection induction loop of the SX1278 wireless modules of indoor train signal receiver I, Electromagnetic coil I L1, RS232 that the ends RS485B connect the relay I of relay tripper terminate computer system;
The terminal A of the ends the RS485A connection induction loop of the SX1278 wireless modules of indoor train signal receiver II, The ends RS485B connect the electromagnetic coil II of the relay II of relay tripper, and RS232 terminates computer system;
The section occupies detection module(GZJC)It is sent for the switching signal of relay III to be converted into digital signal To computer system, section occupies indicating circuit(ZS)Seizure condition for display block track;
The cab signal transmitter I is used to send the signal of train head's injection section, cab signal transmitter II signal for sending train tailstock injection section;
The interior check sender unit shows whether loop wire section completely checks signal for sending;
The inspection signal that the interior check signal receiver is sent for checking sender unit in receiving chamber, and according to Check that the state control zone of signal occupies the working condition of detection circuit;
The interior train signal receiver I is for cab signal transmitter I when receiving train head's injection section The signal of transmission, and pass through the connection of the open or closed induction loop terminal B of relay tripper and indoor check transmitter;
The interior train signal receiver II is for cab signal transmitter when receiving train tailstock injection section II signal sent, and pass through the company of the open or closed induction loop terminal B of relay tripper and indoor check transmitter It connects;
The effect of the computer system:
First, checking the inspection signal of signal receiver in receiving chamber;
Second is that detection and the indoor check sender unit of display, section occupy detection circuit and indoor train signal receives The working condition of device I and indoor train signal receiver II;
When detector segments occupy detection circuit working condition:When the relay that section occupies the relay III of detection circuit is opened Code 1 is sent when pass III picks up, and is fallen and is sent code 0;
When detector segments occupy the working condition of indicating circuit:There is vehicle to occupy and send code 1, no vehicle, which occupies, sends code 0.
Its further technical solution is:
The SX1278 wireless modules be have both the multi-channel wireless module sended and received, wherein:
Indoor check sender unit and indoor check signal receiver use channel 1, indoor I He of train signal receiver Cab signal transmitter I uses channel 3, indoor train signal receiver II and cab signal transmitter II to use channel 5;
The computer system configurations are:Not less than 32 bit processors, memory is not less than 2GB, and memory is not less than 40G.
Due to taking above-mentioned technical proposal, the rail traffic location simulation system tool based on induction loop of the utility model There is following advantageous effect:
1. a kind of rail traffic location simulation system based on induction loop of the utility model is with induction loop, computer System is the system core, receives cab signal by indoor train signal receiver I and indoor train signal receiver II and sends The signal that device I and cab signal transmitter II are sent, the connection of check transmitter and induction loop, makes the section rail in disconnection chamber The switch K3 of road relay is fallen, and indicating circuit is occupied to connect section, preferably realizes simulation train positioning, positioning accurate Really, simple, convenient, it is preferable to meet the needs of teaching or training;
2. due to the interior train signal receiver I of the analogue system, indoor train signal receiver II, indoor check hair It send device, indoor check receiver and section to occupy detection circuit to connect by RS485 serial communication bus and computer system It connects, its working condition is monitored by computer system, simulation demo method is easy to operate, easy to spread, entire simulation demo process It is intuitively shown eventually by terminal, teaching efficiency is good, efficiency of teaching is high;
3. the analogue system scientific structure design, main modular uses multichannel SX1278 wireless modules, the module simultaneous For function is sended and received, it is not only convenient for safeguarding, and cost can be substantially reduced.
With reference to the accompanying drawings and examples to the rail traffic location simulation system based on induction loop of the utility model Technical characteristic be further described.
Description of the drawings
Fig. 1 is the rail traffic location simulation system structure diagram based on induction loop;
Fig. 2~Fig. 6 is simulation demo process schematic:
Fig. 2 is no train occupation track section, and Fig. 3 is train head's injection section, and Fig. 4 is train head and the tailstock Equal injection section, Fig. 5 are that train head goes out the clear, tailstock still in track section, and Fig. 6 is that train head and the tailstock go out to clear Open track section;
Fig. 7 is computer system and covers a kind of rail traffic location simulation system use signal based on induction loop more Figure;
In figure:
00-computer system, 000-RS485 serial communication bus, 01-train, 02-track, 03-induction loop, 04-section occupies detection circuit, 05-relay tripper, CF1-cab signal transmitter I, CF2-cab signal hair Send device II, CFT1-transmission antenna I, CFT1-transmission antenna II, FS-interior check sender unit, JS-interior check letter Number receiver, NC1-interior train signal receiver I, J1-relay I, NC2-interior train signal receiver II, J2- Relay II, J3-relay III, K1-relay switch I, K2-relay switch II, K3-relay switch III, L1- Electromagnetic coil I, L2-electromagnetic wire II enclose, L3-electromagnetic coil III, and ZS-section occupies indicating circuit, and GZJC-section occupies inspection Survey module.
Specific implementation mode
A kind of rail traffic location simulation system based on induction loop, including induction loop positioning device, cab signal I CF1 of transmitter, II CF2 of cab signal transmitter, section occupy detection circuit 04 and computer system 00;
I CF1 of cab signal transmitter is located at the front of train, after II CF2 of cab signal transmitter is located at train Portion, the induction loop positioning device, section occupy detection circuit and computer system is located in track section;
The induction loop positioning device includes:Indoor check sender unit FS, indoor check signal receiver JS, room Interior I NC1 of train signal receiver, indoor II NC2 of train signal receiver and relay tripper 05;
It includes that section occupies indicating circuit GZJC and III J3 of relay that the section, which occupies detection circuit 04, and section occupancy refers to Show the movable contact and fixed contact of III K3 of switch of the both ends difference contact relay III of circuit, III L3 mono- of electromagnetic coil of relay III Signal receiver JS, other end ground connection are checked in terminating room;
The relay tripper 05 includes I L1 of electromagnetic coil of I J1 of relay and relay II J2, I J1 of relay Indoor I NC1 of train signal receiver of one termination, other end ground connection;II L2 mono- of electromagnetic coil of II J2 of relay terminates indoor row II NC2 of vehicle signal receiver, other end ground connection;I K1 of switch of relay I and II K2 of switch of relay II are serially connected in inductance loop Between the terminal B of line and indoor check signal receiver JS;
I CF1 of cab signal transmitter, II CF2 of cab signal transmitter, indoor check sender unit FS, interior Check signal receiver JS, in indoor I rooms NC1 of train signal receiver II NC2 of train signal receiver be all made of SX1278 without Wire module, and connect respectively with computer system by RS485 serial communication bus;
The ends RS485A of the SX1278 wireless modules of the interior check sender unit FS pass through relay tripper 05 I K1 of relay switch connects the terminal B of induction loop with II K2 of relay switch, and RS232 terminates computer system;
The terminal A of the ends the RS485A connection induction loop of the SX1278 wireless modules of indoor check signal receiver JS, Electromagnetic coil III L3, RS232 that the ends RS485B jointing occupies III J3 of relay of detection circuit 04 terminate department of computer science System;
The terminal A of the ends the RS485A connection induction loop of the SX1278 wireless modules of indoor I NC1 of train signal receiver, Electromagnetic coil I L1, RS232 that its end RS485B connects I J1 of relay of relay tripper terminate computer system;
The terminal A of the ends the RS485A connection induction loop of the SX1278 wireless modules of indoor II NC2 of train signal receiver, Electromagnetic coil II L2, RS232 that its end RS485B connects II J2 of relay of relay tripper terminate computer system;
The section occupies detection module GZJC and is sent to for the switching signal of relay III to be converted into digital signal Computer system, section occupy the seizure condition that indicating circuit ZS is used for display block track;
I CF1 of cab signal transmitter is used to send the signal of train head's injection section, and cab signal is sent II CF2 of device is used to send the signal of train tailstock injection section;
The interior check sender unit FS shows whether loop wire section completely checks signal for sending;
The inspection signal that the interior check signal receiver JS is sent for checking sender unit in receiving chamber, and root According to the working condition for the state control zone occupancy detection circuit for checking signal;
I NC1 of interior train signal receiver is sent for cab signal when receiving train head's injection section The signal that I CF1 of device is sent, and pass through the open or closed induction loop terminal B of relay tripper and indoor check transmitter The connection of FS;
II NC2 of interior train signal receiver is sent for cab signal when receiving train tailstock injection section The signal that II CF2 of device is sent, and pass through the open or closed induction loop terminal B of relay tripper and indoor check transmitter The connection of FS;
The effect of the computer system:
First, checking the inspection signal of signal receiver JS in receiving chamber;
Second is that detection and the indoor check sender unit FS of display, section occupy detection circuit 04 and indoor train signal The working condition of I NC1 of receiver and indoor II NC2 of train signal receiver;
When detector segments occupy 04 working condition of detection circuit:When section occupy detection circuit 04 III J3 of relay after Code 1 is sent when III K3 of electric switch is picked up, and is fallen and is sent code 0;
When detector segments occupy the working condition of indicating circuit:There is vehicle to occupy and send code 1, no vehicle, which occupies, sends code 0.
The computer system configurations are:Not less than 32 bit processors, memory is not less than 2GB, and memory is not less than 40G.
The SX1278 wireless modules are to have both the multi-channel wireless module sended and received, which can provide multiple frequencies The selection in road, can the various parameters such as online modification serial port baud rate, transmitting-receiving frequency, transmission power, radio frequency air rate, and can lead to RS485 serial communication bus is crossed directly to connect with computer system.
In the present embodiment:
Indoor check sender unit FS and indoor check signal receiver JS use channel 1, indoor train signal to receive I NC1 of device and I CF1 of cab signal transmitter uses channel 3, indoor II NC2 of train signal receiver and cab signal transmitter II CF2 uses channel 5;Therefore indoor I NC1 of train signal receiver can only receive the signal that I CF1 of cab signal transmitter is sent, Indoor II NC2 of train signal receiver can only receive the signal that II CF2 of cab signal transmitter is sent;
As the transformation of above-described embodiment, I CF1 of cab signal transmitter, II CF2 of cab signal transmitter or do not adopt With SX1278 wireless modules, but directly connect from computer system to indoor I NC1 of train signal receiver or indoor train signals The SX1278 modules for receiving device II NC2 send out the signal of respective frequencies, to realize train head's injection section, the tailstock into entering the orbit Road section and train go out clear simulation.

Claims (2)

1. a kind of rail traffic location simulation system based on induction loop, it is characterised in that:Including induction loop positioning device, Cab signal transmitter I(CF1), cab signal transmitter II(CF2), section occupy detection circuit(04)And computer system (00);
The cab signal transmitter I(CF1)It is located at the front of train, cab signal transmitter II(CF2)After being located at train Portion, the induction loop positioning device, section occupy detection circuit and computer system is located in track section;
The induction loop positioning device includes:Indoor check sender unit(FS), indoor check signal receiver(JS), room Interior train signal receiver I(NC1), indoor train signal receiver II(NC2)And relay tripper(05);
The section occupies detection circuit(04)Detection module is occupied including section(GZJC), section occupy indicating circuit(ZS)With Relay III(J3), the relay switch III of the both ends difference contact relay III of section occupancy indicating circuit(K3)Movable contact and Fixed contact, the electromagnetic coil III of relay III(L3)The indoor check signal receiver of one termination(JS), other end ground connection, relay Ⅲ(J3)Detection module is occupied by section(GZJC)It is connect with computer system;
The relay tripper(05)Including relay I(J1)With relay II(J2), relay I(J1)Electromagnetic coil Ⅰ(L1)One termination interior train signal receiver I(NC1), other end ground connection;Relay II(J2)Electromagnetic coil II(L2)One Train signal receiver II in terminating room(NC2), other end ground connection;The relay switch I of relay I(K1)With relay II Relay switch II(K2)It is serially connected in the terminal B of induction loop and indoor check signal receiver(JS)Between;
The cab signal transmitter I(CF1), cab signal transmitter II(CF2), indoor check sender unit(FS), room Interior check signal receiver(JS), indoor train signal receiver I(NC1)Indoor train signal receiver II(NC2)It is all made of SX1278 wireless modules, and connect respectively with computer system by RS485 serial communication bus;
The interior check sender unit(FS)The ends RS485A of SX1278 wireless modules pass through relay tripper (05)Relay switch I(K1)With relay switch II(K2)The terminal B of induction loop is connected, RS232 terminates computer System;
Indoor check signal receiver(JS)SX1278 wireless modules the ends RS485A connection induction loop terminal A, The ends RS485B jointing occupies detection circuit(04)Relay III(J3)Electromagnetic coil III(L3), RS232 termination meters Calculation machine system;
Indoor train signal receiver I(NC1)SX1278 wireless modules the ends RS485A connection induction loop terminal A, The ends RS485B connect the relay I of relay tripper(J1)Electromagnetic coil I(L1), RS232 termination computer systems;
Indoor train signal receiver II(NC2)SX1278 wireless modules the ends RS485A connection induction loop terminal A, The ends RS485B connect the relay II of relay tripper(J2)Electromagnetic coil II(L2), RS232 termination computer systems;
The section occupies detection module(GZJC)By the switching signal of relay III being converted into based on digital signal is sent to Calculation machine system, section occupy indicating circuit(ZS)Seizure condition for display block track;
The cab signal transmitter I(CF1)Signal for sending train head's injection section, cab signal transmitter Ⅱ(CF2)Signal for sending train tailstock injection section;
The interior check sender unit(FS)Show whether loop wire section completely checks signal for sending;
The interior check signal receiver(JS)The inspection signal sent for checking sender unit in receiving chamber, and according to Check that the state control zone of signal occupies the working condition of detection circuit;
The interior train signal receiver I(NC1)Cab signal transmitter I when for receiving train head's injection section (CF1)The signal of transmission, and pass through the open or closed induction loop terminal B of relay tripper and indoor check transmitter (FS)Connection;
The interior train signal receiver II(NC2)Cab signal transmitter when for receiving train tailstock injection section Ⅱ(CF2)The signal of transmission, and pass through the open or closed induction loop terminal B of relay tripper and indoor check transmitter (FS)Connection;
The computer system is for checking signal receiver in receiving chamber(JS)Inspection signal;Secondly for detection and display Indoor check sender unit(FS), section occupy detection circuit(04)And interior train signal receiver I(NC1)The interior and Train signal receiver II(NC2)Working condition.
2. the rail traffic location simulation system based on induction loop as described in claim 1, it is characterised in that:
The SX1278 wireless modules be have both the multi-channel wireless module sended and received, wherein:
Indoor check sender unit(FS)With indoor check signal receiver(JS)Using channel 1, indoor train signal receives Device I(NC1)With cab signal transmitter I(CF1)Using channel 3, indoor train signal receiver II(NC2)It is sent out with cab signal Send device II(CF2)Using channel 5;
The computer system configurations are:Not less than 32 bit processors, memory is not less than 2GB, and memory is not less than 40G.
CN201721252979.7U 2017-09-27 2017-09-27 Rail traffic location simulation system based on induction loop Withdrawn - After Issue CN207799945U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721252979.7U CN207799945U (en) 2017-09-27 2017-09-27 Rail traffic location simulation system based on induction loop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721252979.7U CN207799945U (en) 2017-09-27 2017-09-27 Rail traffic location simulation system based on induction loop

Publications (1)

Publication Number Publication Date
CN207799945U true CN207799945U (en) 2018-08-31

Family

ID=63274794

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721252979.7U Withdrawn - After Issue CN207799945U (en) 2017-09-27 2017-09-27 Rail traffic location simulation system based on induction loop

Country Status (1)

Country Link
CN (1) CN207799945U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107705662A (en) * 2017-09-27 2018-02-16 柳州铁道职业技术学院 Track traffic location simulation system and simulation demo method based on induction loop
CN110187213A (en) * 2019-06-19 2019-08-30 河南辉煌科技股份有限公司 Track circuit train operation simulation device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107705662A (en) * 2017-09-27 2018-02-16 柳州铁道职业技术学院 Track traffic location simulation system and simulation demo method based on induction loop
CN107705662B (en) * 2017-09-27 2023-09-26 柳州铁道职业技术学院 Rail transit positioning simulation system and simulation demonstration method based on induction loop
CN110187213A (en) * 2019-06-19 2019-08-30 河南辉煌科技股份有限公司 Track circuit train operation simulation device
CN110187213B (en) * 2019-06-19 2024-02-20 河南辉煌科技股份有限公司 Rail circuit train operation simulation device

Similar Documents

Publication Publication Date Title
CN104284151B (en) A kind of transformer station ground method for inspecting and cruising inspection system
CN207799945U (en) Rail traffic location simulation system based on induction loop
CN105469596A (en) Underground intelligent traffic management and control system and method for mine
CN103707779B (en) Coal mine roadway single file rail adaptive segmentation electric power system and method
CN106200651A (en) A kind of tunnel construction new energy rail electric locomotive Unmanned Systems
CN201334036Y (en) Locomotive preparation management system
CN106780802A (en) Indifference track ETC vehicles are by system and its by method
CN103794084A (en) Intelligent parking management system based on wireless sensor network
CN107705662A (en) Track traffic location simulation system and simulation demo method based on induction loop
CN208344233U (en) A kind of train locomotive on-vehicle safety control device
CN109816996A (en) Intelligent traffic light control system based on wireless sensor network
CN106627675B (en) For the flat shunting lamp display information collecting transmitter of STP and its application
CN104143107A (en) Wheel tracking system for rail vehicles
CN110104028A (en) Train car number identification system and its operation method
CN210982767U (en) Active responder system for simulating rail transit
CN206704213U (en) A kind of tramcar operation control system based on truck traffic
CN109823222A (en) Utilize radio location detection system control dynamic radio power supply segmented guide rail switching system and its method
CN210212409U (en) Train number identification system
CN209719308U (en) Utilize radio location detection system control dynamic radio power supply segmented guide rail switching system
CN206367483U (en) Flat shunting lamp display information collecting transmitter for STP
CN209617169U (en) The more radio station redundancy structures of radio scheduling locomotive signal and monitoring system ground
CN106274993B (en) A kind of electric rail vehicle environment automatic recognition system based on wireless radio-frequency
CN105025594A (en) Long-distance internet of things data transmission system and wireless router thereof
CN106444491A (en) Autonomous mobile robot communication system based on CAN bus
CN114827889A (en) System and method for positioning mine personnel and monitoring and scheduling vehicle flow

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20180831

Effective date of abandoning: 20230926

AV01 Patent right actively abandoned

Granted publication date: 20180831

Effective date of abandoning: 20230926

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned