阅读说明：本技术 一种适用于磁浮列车的整车悬浮间隙检测系统 (Whole car suspension clearance detecting system suitable for maglev train ) 是由 李经伟 邱建平 殷勤 史明红 李加祺 林飞 杨震 冯帅 黄世明 林庭羽 于 2019-09-30 设计创作，主要内容包括：本发明公开了一种适用于磁浮列车的整车悬浮间隙检测系统,包括传感器安装轨段、传感器测量系统和测量控制系统,传感器安装轨段包括安装轨段轨枕和安装轨段F轨,安装轨段轨枕安装在水泥墩基础上,安装轨段F轨安装在安装轨段轨枕的端部；传感器测量系统包括两排悬浮间隙传感,以检测电机与安装轨段F轨之间的悬浮间隙和电磁铁与安装轨段F轨之间的悬浮间隙；测量控制系统与每个悬浮间隙传感器分别连接,以获取电机与安装轨段F轨之间的悬浮间隙及电磁铁与安装轨段F轨之间的悬浮间隙,并判断这些悬浮间隙是否满足规定要求。本发明对磁浮列车悬浮间隙值的测量及比对,实现对车辆悬浮状态的判断,可提高磁浮列车的检修效率,减少上线故障率。(The invention discloses a whole vehicle suspension clearance detection system suitable for a maglev train, which comprises a sensor installation rail section, a sensor measurement system and a measurement control system, wherein the sensor installation rail section comprises an installation rail section sleeper and an installation rail section F rail; the sensor measuring system comprises two rows of suspension gap sensors to detect a suspension gap between the motor and the mounting rail section F rail and a suspension gap between the electromagnet and the mounting rail section F rail; and the measurement control system is respectively connected with each suspension gap sensor to obtain the suspension gap between the motor and the F rail of the installation rail section and the suspension gap between the electromagnet and the F rail of the installation rail section, and judge whether the suspension gaps meet the specified requirements. The invention measures and compares the suspension clearance value of the maglev train, realizes the judgment of the suspension state of the train, can improve the maintenance efficiency of the maglev train and reduce the online fault rate.)

1. A whole vehicle suspension gap detection system suitable for a maglev train is characterized by comprising a sensor installation rail section, a sensor measurement system and a measurement control system, wherein,

the sensor installation rail section is arranged on an in-out line section of the vehicle section, the in-out line section of the vehicle section is provided with a rail notch for installing the sensor installation rail section, the sensor installation rail section comprises an installation rail section sleeper and an installation rail section F rail, the installation rail section sleeper is installed on a cement pier foundation, the installation rail section F rail is installed at the end part of the installation rail section sleeper and is positioned at the rail notch, and two ends of the installation rail section F rail are respectively connected with the F rail on the in-out line section;

the sensor measuring system comprises two groups of suspension gap sensors, namely an upper suspension gap sensor and a lower suspension gap sensor, each suspension gap sensor is installed inside the installation rail section F rail, through holes convenient for measuring heads to measure are formed in the positions, corresponding to the measuring heads of the suspension gap sensors, of the installation rail section F rail, and through holes convenient for measuring heads to measure are formed in the positions, corresponding to the measuring heads of the lower suspension gap sensors, of the installation rail section sleeper; the measuring heads of one group of suspension gap sensors are all arranged upwards to be used for detecting the suspension gap between a motor on the magnetic-levitation train and the F rail of the installation rail section, and the measuring heads of the other group of suspension gap sensors are all arranged downwards to be used for detecting the suspension gap between an electromagnet on the magnetic-levitation train and the F rail of the installation rail section;

the measurement control system is connected with each suspension gap sensor respectively and is used for acquiring the suspension gap between the motor and the mounting rail section F rail and the suspension gap between the electromagnet and the mounting rail section F rail and judging whether the suspension gaps meet the specified requirements or not.

2. The system for detecting the suspension gap of the whole vehicle suitable for the maglev train as claimed in claim 1, wherein the sensor installation rail section comprises two installation rail sections F rail and they are respectively installed at two ends of a sleeper of the installation rail section.

3. The system for detecting the suspension gap of the whole vehicle suitable for the maglev train as claimed in claim 1, wherein the sensor installation rail section is provided with a plurality of sensor installation rail sections, and an installation rail section F rail of one sensor installation rail section is marked and measured and calibrated to be used as a reference for the suspension gap measurement.

4. The system of claim 1, wherein each set of four levitation gap sensors is provided.

5. The system of claim 1, wherein the levitation gap sensor is a laser displacement sensor.

6. The system for detecting the suspension gap of the whole vehicle suitable for the maglev train as claimed in claim 1, wherein the measurement control system distinguishes the train number, the serial numbers of each motor and each electromagnet of each carriage in the train according to the proximity sensor and the image module, and obtains the suspension gap of the corresponding motor and the suspension gap of the corresponding electromagnet and the change condition of the suspension gaps along the longitudinal line, thereby obtaining the suspension gap of the motor and the electromagnet of the whole vehicle.

7. The system for detecting the suspension gap of the whole vehicle applicable to the maglev train as claimed in claim 1, wherein each suspension gap sensor is installed on the F rail of the installation rail section through a sensor installation box.

8. The system for detecting the suspension gap of the whole vehicle applicable to the maglev train as claimed in claim 1, wherein a dustproof organic glass cover is respectively arranged in the irradiation direction of each suspension gap sensor measuring head, and the organic glass cover is fixedly installed on the F rail of the installation rail section.

9. The system for detecting the suspension gap of the whole vehicle applicable to the maglev train as claimed in claim 1, wherein a plurality of cabins are arranged inside a measurement control cabinet of the measurement control system for placing different control devices.

Technical Field

The invention belongs to the field of maglev trains, and particularly relates to a suspension gap detection system.

Background

Magnetic-levitation train is as a neotype rail transit transport means, and it utilizes electromagnetic attraction or electronic repulsion to suspend the train in the track top, by linear electric motor drive train motion, because the train does not have wheel and corresponding transmission system, it does not contact with ground, does not produce the friction loss, and the operation is maintained simple and conveniently, has good development prospect.

The magnetic suspension train is excited by an electromagnet which is arranged on the train and is arranged below the F rail to generate suction force with the F rail for suspension. The suspension force is controlled by a suspension control system, and a gap sensor in the suspension control system feeds back the measured gap between the electromagnet and the F rail and the vertical acceleration of the train to the suspension control system so as to generate corresponding suspension force. During the suspension and traveling of the train, the suspension force is unstable, so that the suspension gap is dynamic.

Along with the operation of the magnetic-levitation train, the safe production, the safe operation and the punctual high efficiency of the vehicle are of great importance, wherein the levitation gap of the magnetic-levitation train is the key data of the running state. When a train is operated, managed, parked, maintained and maintained in a vehicle section, at present, in the vehicle section, suspension clearance data can be known only through visual inspection when the train is statically suspended or through data displayed on an instrument panel of a cab of the train. The suspension gap of the magnetic-levitation train is dynamic and is continuously adjusted in the running process, the data on the train is from the suspension sensor, and if the train has sensor faults or aging drift in the train section, the suspension gap cannot be objectively reflected, and whether each suspension air gap of the train meets the specified requirements cannot be known.

Disclosure of Invention

Aiming at the defects or the improvement requirements of the prior art, the invention provides a whole vehicle suspension gap detection system suitable for a magnetic-levitation train, which can measure the suspension air gaps of a motor and an electromagnet through a suspension gap sensor arranged on a sensor mounting rail, simultaneously transmit the measured air gap data to a measurement control system to complete data acquisition, processing and analysis, obtain the suspension air gaps of the motor and the electromagnet, and judge whether the suspension air gaps are qualified according to a given standard.

To achieve the above object, according to one aspect of the present invention, there is provided a whole vehicle levitation gap detecting system suitable for a maglev train, comprising a sensor mounting rail section, a sensor measuring system and a measurement control system, wherein,

the sensor installation rail section is arranged on an in-out line section of the vehicle section, the in-out line section of the vehicle section is provided with a rail notch for installing the sensor installation rail section, the sensor installation rail section comprises an installation rail section sleeper and an installation rail section F rail, the installation rail section sleeper is installed on a cement pier foundation, the installation rail section F rail is installed at the end part of the installation rail section sleeper and is positioned at the rail notch, and two ends of the installation rail section F rail are respectively connected with the F rail on the in-out line section;

the sensor measuring system comprises two groups of suspension gap sensors, namely an upper suspension gap sensor and a lower suspension gap sensor, each suspension gap sensor is installed inside the installation rail section F rail, through holes convenient for measuring heads to measure are formed in the positions, corresponding to the measuring heads of the suspension gap sensors, of the installation rail section F rail, and through holes convenient for measuring heads to measure are formed in the positions, corresponding to the measuring heads of the lower suspension gap sensors, of the installation rail section sleeper; the measuring heads of one group of suspension gap sensors are all arranged upwards to be used for detecting the suspension gap between a motor on the magnetic-levitation train and the F rail of the installation rail section, and the measuring heads of the other group of suspension gap sensors are all arranged downwards to be used for detecting the suspension gap between an electromagnet on the magnetic-levitation train and the F rail of the installation rail section;

the measurement control system is connected with each suspension gap sensor respectively and is used for acquiring the suspension gap between the motor and the mounting rail section F rail and the suspension gap between the electromagnet and the mounting rail section F rail and judging whether the suspension gaps meet the specified requirements or not.

Preferably, the sensor mounting rail section comprises two said mounting rail sections F rail and they are mounted at each end of the mounting rail section tie.

Preferably, the sensor mounting rail section is provided in plurality, wherein a mounting rail section F rail of one sensor mounting rail section is marked and calibrated for measurement as a reference for the measurement of the levitation gap.

Preferably, the number of the suspension gap sensors per group is four.

Preferably, the suspension gap sensor is a laser displacement sensor.

Preferably, the measurement control system distinguishes the train number and the serial numbers of each motor and electromagnet of each carriage in the train according to the proximity sensor and the image module to obtain the suspension gap of the corresponding motor and the suspension gap of the electromagnet and the change condition of the suspension gaps along the longitudinal line, so that the suspension gaps of the motor and the electromagnet of the whole train are obtained

Preferably, each suspension gap sensor is mounted on the mounting rail section F rail through a sensor mounting box.

Preferably, a dustproof organic glass cover is arranged in the irradiation direction of each suspension gap sensor measuring head, and the organic glass cover is fixedly installed on the installation rail section F rail.

Preferably, a plurality of cabins are arranged inside a measurement control cabinet of the measurement control system, so as to be used for placing different control equipment.

In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:

1) the invention is arranged on the train entrance and exit section line and can detect the suspension gap data of each suspension frame of each train of magnetic suspension train passing through. When the maglev train runs on an access section line and passes through the whole train gap detection system, the whole train gap detection system starts the sensor detection system, the suspension air gaps of the motor and the electromagnet are measured, meanwhile, the measured suspension gap data are transmitted to the measurement control system, the measurement control system obtains the suspension air gaps of the motor and the electromagnet after finishing data acquisition, processing and analysis, and judges whether the suspension air gaps are qualified according to a given standard, so that field control personnel or management personnel can conveniently determine whether each air gap of the maglev train meets the specified requirement.

2) The invention can obtain the air gap between the motor and the electromagnet of the whole vehicle, avoids manually recording the corresponding relation between the installation positions of each motor and each electromagnet and the vehicle, and ensures that the system is simpler to operate, more intelligent and more automatic when in use.

Drawings

FIG. 1 is a front view of a sensor measurement system of the present invention mounted on a sensor mounting rail section;

fig. 2 is a top view of the present invention disposed on an access segment line.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 and fig. 2, a whole vehicle suspension gap detection system suitable for a maglev train comprises a sensor installation rail section, a sensor measurement system and a measurement control system, wherein,

the sensor installation rail section is arranged on an in-out line section 100 of a vehicle section, the in-out line section 100 of the vehicle section is provided with a rail gap for installing the sensor installation rail section, the sensor installation rail section comprises an installation rail section sleeper 1 and an installation rail section F rail 2, the installation rail section sleeper 1 is preferably installed on a cement pier foundation 3 through bolts, the installation rail section F rail 2 is installed at the end part of the installation rail section sleeper 1 and is positioned at the rail gap, and two ends of the installation rail section F rail 2 are respectively connected with the F rails on the in-out line section; the installation rail section F rail 2 section is adjusted by an instrument to be aligned with the position of the F rail on the incoming and outgoing line section, and the structure and the size of the installation rail section sleeper 1 are the same as those of the installation rail section sleeper 1 on the common running rail.

The sensor measuring system comprises two groups of suspension gap sensors 4, namely an upper group and a lower group, each group of suspension gap sensors 4 is provided with a plurality of suspension gap sensors 4, the installation track section F track 2 is provided with through holes convenient for measuring heads to measure at the positions corresponding to the measuring heads of each suspension gap sensor 4, the installation track section sleeper 1 is also provided with through holes convenient for measuring heads to measure at the positions corresponding to the measuring heads of each suspension gap sensor 4 of the lower group, each suspension gap sensor 4 is preferably arranged in the installation track section F track 2 through a sensor mounting box, the measuring heads of one group of suspension gap sensors 4 are arranged upwards to detect the suspension gap between a motor on a magnetic suspension train and the installation track section F track 2, and the measuring heads of the other group of suspension gap sensors 4 are arranged downwards, the device is used for detecting the suspension gap between the electromagnet on the magnetic-levitation train and the installation track section F track 2; preferably, the number of the levitation gap sensors 4 in each set is four (eight in total, up and down), and the levitation gap sensors 4 are laser displacement sensors.

The measurement control system is connected with each suspension gap sensor 4 respectively, and is used for acquiring the suspension gap between the motor and the installation rail section F rail 2 and the suspension gap between the electromagnet and the installation rail section F rail 2 and judging whether the suspension gaps meet the specified requirements or not. The measurement control system is arranged on one side of the track panel of the magnetic suspension track, operation of operators or managers is facilitated, the measurement control system is composed of a data acquisition system, a measurement and control computer, an integrated operation cabinet and the like, and the sensor measurement system is connected with the measurement control system through a cable. The measurement control system can control the sensor measurement system, data acquisition display and report generation, and has the functions of real-time control, acquisition, recording, monitoring, data management and the like.

Further, the sensor mounting rail section comprises two said mounting rail sections F rail 2 and they are mounted at both ends of the mounting rail section tie 1, respectively.

Further, the sensor mounting rail section is provided with a plurality of mounting rail sections, wherein the mounting rail section F rail 2 of one sensor mounting rail section is marked and calibrated in measurement to be used as a reference for measuring the suspension clearance.

Furthermore, the measurement control system distinguishes the train number, the serial numbers of the motors and the electromagnets of each carriage in the train according to the proximity sensor and the image module, and obtains the suspension gaps of the corresponding motors and the suspension gaps of the electromagnets and the change conditions of the suspension gaps along the longitudinal line, so that the suspension gaps of the motors and the electromagnets of the whole train are obtained.

The measurement control system comprises a hardware platform and measurement and control software, wherein the hardware platform comprises a measurement and control computer, a data acquisition card, an Ethernet communication module and the like, and can meet various functional requirements of measurement, control, information management and the like. And the industrial control computer realizes man-machine interaction, analyzes and processes the test data and finally generates a test report. In addition, the industrial personal computer is also responsible for managing historical detection data and realizing functions of copying, inquiring and the like, the measurement and control software is mainly used for functions of data acquisition, recording, management and the like, and the measurement and control software has the characteristics of integration, data sharing, expandability and the like.

The measurement control system can automatically distinguish the train number, each motor of each vehicle in the train, the electromagnet and number according to the sensor signal, automatically analyze the test data, obtain the corresponding motor gap and electromagnet gap and the change condition along the length direction (X direction, longitudinal line direction), thereby obtaining the motor and electromagnet gap of the whole train, avoiding the corresponding relation of the mounting positions of each motor and electromagnet and the vehicle of the manual record train, and leading the system to be simpler in use, more intelligent and more automatic.

Every be equipped with dustproof organic glass cover of usefulness on the direction of illumination of 4 measuring heads of suspension gap sensor respectively to organic glass cover fixed mounting can effectually shelter from the dust on installation track section F rail 2, avoids bringing the influence for measuring after long-term the use.

The inside a plurality of cabins that set up of measurement control system's measurement switch board, different equipment install respectively arrange in different cabins, set up dustproof sealing strip. The keyboard and the mouse are arranged in a sealed independent cabin and are provided with a protective cover, and when the equipment is not used, the protective cover can be used for preventing dust.

The invention can realize the online dynamic measurement of the suspension clearance of the maglev train, realize the judgment of the suspension state of the train through the measurement and comparison of the suspension clearance values of all the maglev trains, and can also improve the maintenance efficiency of the maglev train and reduce the online fault rate.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.