CN101817352B - Intelligent wheel stopper system based on wireless communication - Google Patents

Intelligent wheel stopper system based on wireless communication Download PDF

Info

Publication number
CN101817352B
CN101817352B CN2009101174743A CN200910117474A CN101817352B CN 101817352 B CN101817352 B CN 101817352B CN 2009101174743 A CN2009101174743 A CN 2009101174743A CN 200910117474 A CN200910117474 A CN 200910117474A CN 101817352 B CN101817352 B CN 101817352B
Authority
CN
China
Prior art keywords
wireless communication
wheel stop
intelligent wheel
communication module
unit
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.)
Expired - Fee Related
Application number
CN2009101174743A
Other languages
Chinese (zh)
Other versions
CN101817352A (en
Inventor
潘峥嵘
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.)
Lanzhou University of Technology
Original Assignee
Lanzhou University of Technology
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 Lanzhou University of Technology filed Critical Lanzhou University of Technology
Priority to CN2009101174743A priority Critical patent/CN101817352B/en
Publication of CN101817352A publication Critical patent/CN101817352A/en
Application granted granted Critical
Publication of CN101817352B publication Critical patent/CN101817352B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

基于无线通讯的智能止轮器系统，由智能止轮器监测仪、无线通讯网络、Internet网络、数据库服务器和远程监控中心组成；智能止轮器监测仪是现场数据采集处理发送装置，由位移传感器、平衡倾角传感器、压力传感器、整形电路、嵌入式微处理器、串口通信模块、无线通讯模块、实时时钟单元、看门狗单元、键盘输入单元、LCD显示单元、电源模块单元、EEPROM单元、报警单元组成；智能止轮器监测仪对现场数据进行采集处理，然后经无线通讯模块发送出去；远程监控中心接收无线通讯模块发送的信息，对智能止轮器监测仪工作状态信息进行管理记录，同时也可通过无线通讯模块对智能止轮器监测仪发送控制命令及数据；智能止轮器监测仪与远程监控中心通过无线通讯网络和Internet网络连接；智能止轮器监测仪通过无线通讯模块接入无线通讯网络，远程监控中心通过数据库服务器与Internet网络相连并通过Internet网关实现与无线通讯网络的通讯。

Figure 200910117474

The intelligent wheel stop system based on wireless communication is composed of an intelligent wheel stop monitor, a wireless communication network, an Internet network, a database server and a remote monitoring center; , balance tilt sensor, pressure sensor, shaping circuit, embedded microprocessor, serial communication module, wireless communication module, real-time clock unit, watchdog unit, keyboard input unit, LCD display unit, power module unit, EEPROM unit, alarm unit Composition; the intelligent wheel stop monitor collects and processes the field data, and then sends it out through the wireless communication module; the remote monitoring center receives the information sent by the wireless communication module, manages and records the working status information of the smart wheel stop monitor, and also The control command and data can be sent to the intelligent wheel stop monitor through the wireless communication module; the intelligent wheel stop monitor is connected to the remote monitoring center through the wireless communication network and the Internet network; the intelligent wheel stop monitor is connected to the wireless network through the wireless communication module The communication network, the remote monitoring center is connected with the Internet network through the database server and realizes the communication with the wireless communication network through the Internet gateway.

Figure 200910117474

Description

Intelligent wheel stopper system based on wireless telecommunications
Technical field
The present invention relates to the wheel apparatus that ends for the railroad train vehicle.
Background technology
At present domestic monitoring to wheel skid mode of operation and train stop situation mainly takes the mode of artificial regular visit to carry out.When the railway traffic transportation developed to extensive, high-speed and automation direction, the wheel skid that carries out stopping brake for the Train Stopping field just seemed particularly important.Use in the historical long Train Stopping field at some, owing to building field time early, equipment is more outmoded in, and upper class unit lacks the Real Time Monitoring means to wheel skid mode of operation in each parking area, is unfavorable for production control.Train Stopping field multidigit is in remote location simultaneously, and happen occasionally because artificial destruction causes the situation of stopping brake failure night, processes such as untimely discovery, not only causes the equipment loss, even may cause car accident.And there are many deficiencies such as error is large, monitoring periods is long, exception handling is untimely in the mode of artificial regular visit in implementation, can not adapt to the requirement of railway automation, Informatization Development on Technological Economy.
Summary of the invention
The purpose of this invention is to provide a kind of intelligent wheel stopper system based on wireless telecommunications.
The present invention is based on the intelligent wheel stopper system of wireless telecommunications, is comprised of intelligent wheel stopper monitor 1, wireless communication networks 2, Internet network 3, database server 4 and remote monitoring center 5; Intelligent wheel stopper monitor 1 is that on-site data gathering is processed sending set, is comprised of displacement pickup 1-1, balance obliquity sensor 1-2, pressure sensor 1-3, shaping circuit 1-4, embedded microprocessor MCU1-5, serial communication modular 1-6, wireless communication module 1-7, real-time clock unit 1-8, watchdog unit 1-9, keyboard input block 1-10, LCD display unit 1-11, power module unit 1-12, EEPROM unit 1-13, alarm unit 1-14; 1 pair of field data of intelligent wheel stopper monitor is carried out acquisition process, then sends through wireless communication module 1-7; Remote monitoring center 5 receives the information that wireless communication module 1-7 sends, and intelligent wheel stopper monitor 1 work state information is managed record, by wireless communication module 1-7 intelligent wheel stopper monitor 1 is sent control command and data simultaneously; Intelligent wheel stopper monitor 1 is connected with the Internet network by wireless communication networks 2 with remote monitoring center 5 and is connected; Intelligent wheel stopper monitor 1 is by wireless communication module 1-7 access wireless communication networks 2, and remote monitoring center 5 links to each other with Internet network 3 by database server 4 and realizes and the communication of wireless communication networks 2 by the Internet gateway.
Usefulness of the present invention is: based on the wireless communication networks technology, make native system high efficient and reliable, communication fee cheap, adopt wireless communication networks as the transmission network platform of intelligent wheel stopper monitoring data, the various state parameters that train is stopped can carry out Real-Time Monitoring, realize long distance wireless transmission and online the sharing of monitoring information, unusual circumstance can reach alarm, reduces the loss that abnormal condition are brought.
Description of drawings
Fig. 1 is topological structure schematic diagram of the present invention, and Fig. 2 is the structured flowchart of intelligent wheel stopper system, and Fig. 3 is the hardware structure diagram of intelligent wheel stopper system.
The specific embodiment
Such as Fig. 1, Fig. 2, shown in Figure 3, the intelligent wheel stopper system based on wireless telecommunications of the present invention is comprised of intelligent wheel stopper monitor 1, wireless communication networks 2, Internet network 3, database server 4 and remote monitoring center 5.Intelligent wheel stopper monitor 1 is that on-site data gathering is processed sending set, is comprised of displacement pickup 1-1, balance obliquity sensor 1-2, pressure sensor 1-3, shaping circuit 1-4, embedded microprocessor MCU1-5, serial communication modular 1-6, wireless communication module 1-7, real-time clock unit 1-8, watchdog unit 1-9, keyboard input block 1-10, LCD display unit 1-11, power module unit 1-12, EEPROM unit 1-13, alarm unit 1-14.1 pair of field data of intelligent wheel stopper monitor is carried out acquisition process, then sends through wireless communication module 1-7.Remote monitoring center 5 receives the information that wireless communication module 1-7 sends, and intelligent wheel stopper monitor 1 work state information is managed record, also can send control command and data to intelligent wheel stopper monitor 1 by wireless communication module 1-7 simultaneously.Intelligent wheel stopper monitor 1 is connected with the Internet network by wireless communication networks 2 with remote monitoring center 5 and is connected.Intelligent wheel stopper monitor 1 is by wireless communication module 1-7 access wireless communication networks 2, and remote monitoring center 5 links to each other with Internet network 3 by database server 4 and realizes and the communication of wireless communication networks 2 by the Internet gateway.
Intelligent wheel stopper monitor 1 of the present invention is comprised of displacement pickup 1-1, balance obliquity sensor 1-2, pressure sensor 1-3, shaping circuit 1-4, embedded microprocessor MCU1-5, serial communication modular 1-6, wireless communication module 1-7, real-time clock unit 1-8, watchdog unit 1-9, keyboard input block 1-10, LCD display unit 1-11, power module unit 1-12, EEPROM unit 1-13, alarm unit 1-14.Displacement pickup 1-1, balance obliquity sensor 1-2, pressure sensor 1-3 gathers displacement pickup 1-1 measurement signal, balance obliquity sensor 1-2 measurement signal, pressure sensor 1-3 measurement signal, input to shaping circuit 1-4, behind shaping circuit 1-4 signal condition, export, input to embedded microprocessor MCU1-5, embedded microprocessor MCU1-5 passes through the computing of input data, finish the data transfer of monitoring data with comprehensive, status flag value (horizontal displacement with the 1 work monitoring of intelligent wheel stopper monitor, the balance inclination angle, pressure) output, input to serial communication modular 1-6, serial communication modular 1-6 output links to each other with wireless communication module 1-7 input, sends the status flag value of intelligent wheel stopper monitor 1 work monitoring.Remote monitoring center 5 also can be passed through wireless communication module 1-7, intelligent wheel stopper monitor 1 is arranged the monitoring parameter, intelligent wheel stopper monitor 1 receive data, and be stored among the EEPROM unit 1-13, guarantee remote monitoring center 5 real time on-line monitoring intelligent wheel stopper monitors 1 working status parameter.When operation irregularity appears in intelligent wheel stopper monitor 1, can be by the alarm unit 1-14 output alarm of intelligent wheel stopper monitor 1.Intelligent wheel stopper monitor 1 also can carry out the off-line setting by keyboard input block 1-10 and LCD display unit 1-11 and show with monitoring, and realize management at different levels, personnel's limiting operation is patrolled and examined at the scene of setting, also can antitheft anti-illegal operation.The power module 1-12 of intelligent wheel stopper monitor 1 adopts Intelligent charging system, multiple power supply system is provided, be displacement pickup 1-1, balance obliquity sensor 1-2, pressure sensor 1-3, embedded microprocessor MCU1-5 and wireless communication module 1-7 power supply, guarantee the stable and reliable of intelligent wheel stopper monitor 1 work.
Through the above, can monitor the state parameter data of each intelligent wheel stopper monitor based on the intelligent wheel stopper of wireless telecommunications, and monitoring information is carried out long distance wireless transmission and online sharing, realize the purpose to Train Stopping field scientific management.

Claims (3)

1.基于无线通讯的智能止轮器系统，其特征在于该系统由智能止轮器监测仪(1)、无线通讯网络(2)、Internet网络(3)、数据库服务器(4)和远程监控中心(5)组成；智能止轮器监测仪(1)是现场数据采集处理发送装置，由位移传感器(1-1)、平衡倾角传感器(1-2)、压力传感器(1-3)、整形电路(1-4)、嵌入式微处理器MCU(1-5)、串口通信模块(1-6)、无线通讯模块(1-7)、实时时钟单元(1-8)、看门狗单元(1-9)、键盘输入单元(1-10)、LCD显示单元(1-11)、电源模块单元(1-12)、EEPROM单元(1-13)、报警单元(1-14)组成；智能止轮器监测仪(1)对现场数据进行采集处理，然后经无线通讯模块(1-7)发送出去；远程监控中心(5)接收无线通讯模块(1-7)发送的信息，对智能止轮器监测仪(1)工作状态信息进行管理记录，同时通过无线通讯模块(1-7)对智能止轮器监测仪(1)发送控制命令及数据；智能止轮器监测仪(1)与远程监控中心(5)通过无线通讯网络(2)和Internet网络(3)连接；智能止轮器监测仪(1)通过无线通讯模块(1-7)接入无线通讯网络(2)，远程监控中心(5)通过数据库服务器(4)与Internet网络(3)相连并通过Internet网关实现与无线通讯网络(2)的通讯。1. The intelligent wheel stop system based on wireless communication is characterized in that the system consists of an intelligent wheel stop monitor (1), a wireless communication network (2), an Internet network (3), a database server (4) and a remote monitoring center (5) composition; the intelligent wheel stop monitor (1) is an on-site data acquisition, processing and sending device, consisting of a displacement sensor (1-1), a balance inclination sensor (1-2), a pressure sensor (1-3), and a shaping circuit (1-4), embedded microprocessor MCU (1-5), serial communication module (1-6), wireless communication module (1-7), real-time clock unit (1-8), watchdog unit (1 -9), keyboard input unit (1-10), LCD display unit (1-11), power module unit (1-12), EEPROM unit (1-13), alarm unit (1-14); intelligent stop The wheel monitor (1) collects and processes the on-site data, and then sends it out through the wireless communication module (1-7); the remote monitoring center (5) receives the information sent by the wireless communication module (1-7), and the intelligent wheel stop manage and record the working status information of the wheel stop monitor (1), and at the same time send control commands and data to the smart wheel stop monitor (1) through the wireless communication module (1-7); the smart wheel stop monitor (1) communicates with the remote The monitoring center (5) is connected with the Internet network (3) through the wireless communication network (2); the intelligent wheel stop monitor (1) is connected to the wireless communication network (2) through the wireless communication module (1-7), and the remote monitoring center (5) Connecting with the Internet network (3) through the database server (4) and realizing communication with the wireless communication network (2) through the Internet gateway. 2.根据权利要求1所述的基于无线通讯的智能止轮器系统，其特征在于位移传感器(1-1)、平衡倾角传感器(1-2)、压力传感器(1-3)采集位移传感器(1-1)测量信号、平衡倾角传感器(1-2)测量信号、压力传感器(1-3)测量信号，输入至整形电路(1-4)，经整形电路(1-4)信号调理后输出，输入至嵌入式微处理器MCU(1-5)，嵌入式微处理器MCU(1-5)通过对输入数据计算处理，完成监测数据的数据转换与综合，将智能止轮器监测仪(1)工作监测的状态特征值输出，输入至串口通信模块(1-6)，串口通信模块(1-6)输出与无线通讯模块(1-7)输入相连，发送智能止轮器监测仪(1)工作监测的状态特征值；远程监测中心(5)也可通过无线通讯模块(1-7)，对智能止轮器监测仪(1)设置监测工作参数，智能止轮器监测仪(1)接收数据，并保存于EEPROM单元(1-13)中，保证远程监测中心(5)实时在线监测智能止轮器监测仪(1)工作状态参数；当智能止轮器监测仪(1)出现工作异常时，通过智能止轮器监测仪(1)的报警单元(1-14)输出报警；智能止轮器监测仪(1)通过键盘输入单元(1-10)和LCD显示单元(1-11)进行离线设置与监测显示。2. The intelligent wheel stopper system based on wireless communication according to claim 1, characterized in that displacement sensor (1-1), balance inclination sensor (1-2), pressure sensor (1-3) collect displacement sensor ( 1-1) Measurement signal, measurement signal of balance inclination sensor (1-2), measurement signal of pressure sensor (1-3), input to shaping circuit (1-4), output after signal conditioning by shaping circuit (1-4) , input to the embedded microprocessor MCU (1-5), the embedded microprocessor MCU (1-5) completes the data conversion and synthesis of the monitoring data by calculating and processing the input data, and the intelligent wheel stop monitor (1) The state characteristic value output of work monitoring is input to the serial communication module (1-6), and the output of the serial communication module (1-6) is connected to the input of the wireless communication module (1-7), and sent to the intelligent wheel stop monitor (1) The state feature value of work monitoring; the remote monitoring center (5) can also set the monitoring work parameters to the intelligent wheel stop monitor (1) through the wireless communication module (1-7), and the intelligent wheel stop monitor (1) receives Data, and stored in the EEPROM unit (1-13), to ensure that the remote monitoring center (5) monitors the working status parameters of the smart wheel stop monitor (1) in real time; when the smart wheel stop monitor (1) works abnormally , output an alarm through the alarm unit (1-14) of the intelligent wheel stop monitor (1); Perform offline setting and monitoring display. 3.根据权利要求1所述的基于无线通讯的智能止轮器系统，其特征在于所述嵌入式微处理器MCU(1-5)采用C8051F20微处理器；所述的无线通讯模块(1-7)采用GPRS网络模块、ZigBee无线通讯网络模块或无线数传电台；所述的电源模块单元(1-12)给智能止轮器监测仪(1)的位移传感器(1-1)、平衡倾角传感器(1-2)、压力传感器(1-3)、嵌入式微处理器MCU(1-5)和无线通讯模块(1-7)提供电源。3. The intelligent wheel stopper system based on wireless communication according to claim 1, wherein said embedded microprocessor MCU (1-5) adopts C8051F20 microprocessor; said wireless communication module (1-7 ) using GPRS network module, ZigBee wireless communication network module or wireless data transmission station; described power supply module unit (1-12) is given to the displacement sensor (1-1) and balance inclination sensor of intelligent wheel stop monitor (1) (1-2), the pressure sensor (1-3), the embedded microprocessor MCU (1-5) and the wireless communication module (1-7) provide power.
CN2009101174743A 2009-09-23 2009-09-23 Intelligent wheel stopper system based on wireless communication Expired - Fee Related CN101817352B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101174743A CN101817352B (en) 2009-09-23 2009-09-23 Intelligent wheel stopper system based on wireless communication

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101174743A CN101817352B (en) 2009-09-23 2009-09-23 Intelligent wheel stopper system based on wireless communication

Publications (2)

Publication Number Publication Date
CN101817352A CN101817352A (en) 2010-09-01
CN101817352B true CN101817352B (en) 2013-01-02

Family

ID=42652672

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009101174743A Expired - Fee Related CN101817352B (en) 2009-09-23 2009-09-23 Intelligent wheel stopper system based on wireless communication

Country Status (1)

Country Link
CN (1) CN101817352B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102455234B (en) * 2010-11-01 2014-04-30 香港纺织及成衣研发中心 Film type wind pressure sensor and corresponding wireless sensing network
CN103149855B (en) * 2013-03-22 2015-09-16 上海港务工程公司 Marine guidance piling long distance control system
EP3018541B1 (en) * 2014-11-04 2023-10-25 Garrett Transportation I Inc. Configurable inferential sensor for vehicle control systems
CN105253168A (en) * 2015-11-14 2016-01-20 乌鲁木齐铁路局库尔勒工务段 Anti-running safety wireless early warning system of single machine and entire rail car
CN107719409B (en) * 2017-09-15 2019-02-01 河海大学 The anti-slip Intelligent iron shoe of railway and its attitude detecting method with posture detection function
CN109572744B (en) * 2017-09-29 2020-08-07 株洲中车时代电气股份有限公司 Intelligent skate detection device, intelligent skate and detection method
CN110626517B (en) * 2018-06-21 2023-10-27 北京联信通达科技发展股份有限公司 Intelligent device, intelligent system and automatic data acquisition method for aircraft gear
CN110015441B (en) * 2019-05-15 2024-06-04 成都耀塔科技有限公司 Method for monitoring and reporting electronic wheel guard state of parking apron
CN110712669A (en) * 2019-10-22 2020-01-21 深圳市微度数字技术有限公司 Anti-slip iron shoe management and control device and alarm method
CN113415307A (en) * 2021-08-06 2021-09-21 卢双喜 Intelligent safety interlocking system of wheel stopper

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1845192A (en) * 2006-04-26 2006-10-11 珠海市德莱仪表设备有限公司 Wireless remote pressure/pressure difference, liquid level monitoring system
JP2007257487A (en) * 2006-03-24 2007-10-04 Secom Co Ltd Vehicle monitoring device
CN101141339A (en) * 2007-02-09 2008-03-12 江苏怡丰通信设备有限公司 Embedded SoC chip based wireless network industry monitoring management system
CN101377672A (en) * 2007-08-28 2009-03-04 上海申欣环保实业有限公司 Power plant environment pollution harnessing remote diagnostic control system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007257487A (en) * 2006-03-24 2007-10-04 Secom Co Ltd Vehicle monitoring device
CN1845192A (en) * 2006-04-26 2006-10-11 珠海市德莱仪表设备有限公司 Wireless remote pressure/pressure difference, liquid level monitoring system
CN101141339A (en) * 2007-02-09 2008-03-12 江苏怡丰通信设备有限公司 Embedded SoC chip based wireless network industry monitoring management system
CN101377672A (en) * 2007-08-28 2009-03-04 上海申欣环保实业有限公司 Power plant environment pollution harnessing remote diagnostic control system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王科峰.浅谈GPRS时代的无线互联.《内蒙古科技与经济》.2004,(第20期),88-89. *

Also Published As

Publication number Publication date
CN101817352A (en) 2010-09-01

Similar Documents

Publication Publication Date Title
CN101817352B (en) Intelligent wheel stopper system based on wireless communication
CN103761776B (en) The monitoring of a kind of highway weight metering charging equipment working state and maintenance system and method
CN103439927B (en) A kind of electric pole long-distance monitoring method
CN108090661A (en) Rolling stock intelligent vehicle scheduling management method and system and device
CN105206085A (en) Traffic lamp intelligent fault monitoring and repairing system based on internet of things
CN103854473A (en) Intelligent traffic system
CN207817478U (en) A kind of intelligent well cover monitoring system based on cloud platform
CN104932487A (en) Subway vehicle remote diagnosis system
CN202940848U (en) Bridge group monitoring system based on cloud computing platform
CN204515507U (en) Based on the electromechanical equipment operation remote monitoring management system of Internet of Things
CN104860234A (en) Monitoring system based on Internet of Things for forklift in factory
CN201285319Y (en) Remote weighing monitoring system of truck scale
CN201946109U (en) Vehicle monitoring and management system
CN104537225A (en) Cloud processing method for traffic data restoration and system of method
CN209258043U (en) Data acquisition device of mining dump truck
CN207652390U (en) Expressway photovoltaic power station intelligent management monitor supervision platform
CN107021116A (en) A kind of monitoring system of the track vehicle based on technology of Internet of things
CN203799467U (en) Image-processing-based bridge monitoring and alarm system
CN207374554U (en) A kind of shared motor bicycle central controlled lock system
CN205353708U (en) Two real -time monitoring system that live of application data
CN205068145U (en) Intelligent monitoring system for car networking
CN207216862U (en) A kind of urban transportation and cloud data management platform based on technology of Internet of things
CN202200999U (en) A bogie monitoring and diagnosis equipment
CN201812186U (en) A distributed loading monitoring server module
CN205508114U (en) Power consumption information acquisition appearance

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130102

Termination date: 20150923

EXPY Termination of patent right or utility model