CN208383297U

CN208383297U - Train operation injustice compliance monitoring device based on sound vibration roughness

Info

Publication number: CN208383297U
Application number: CN201820471738.XU
Authority: CN
Inventors: 于波; 汪小勇
Original assignee: Casco Signal Ltd
Current assignee: Casco Signal Ltd
Priority date: 2018-03-30
Filing date: 2018-03-30
Publication date: 2019-01-15
Anticipated expiration: 2028-03-30

Abstract

The train operation injustice compliance monitoring device based on sound vibration roughness that the utility model relates to a kind of, the device includes sensor network, distributed data acquisition substation and onboard servers station；The sensor network is set to inside and outside compartment everywhere, distributed data acquisition substation described in one is set in a section compartment, the sensor network connects onboard servers station by Ethernet by the distributed data acquisition substation in the cable connection section compartment, the distributed data acquisition substation.Compared with prior art, the utility model has many advantages, such as that scalability is strong, adapts to adverse circumstances ability.

Description

Train operation injustice compliance monitoring device based on sound vibration roughness

Technical field

The utility model relates to safe railway operation control fields, more particularly, to a kind of train based on sound vibration roughness Run uneven compliance monitoring device.

Background technique

With the fast development of China express railway, the safety of train operation is increasingly taken seriously.One of weight Index --- the uneven compliance of train operation --- is wanted train to be described under operation, by track irregularity degree, wind pressure etc. Traveling comfort under the influence of factor.

By retrieval, a kind of Portable train vibration of the patent disclosure that China Patent Publication No. is CN102706568A is surveyed Try instrument, measured to the vibration to key equipment under train body, vehicle, can in line computation riding index, and show, Storage and wirelessly transmitting data.It is by FPGA, acceleration module, frequency module, GPS module, display module, Keysheet module, The composition such as clock module, RAM module, data memory module, wireless network module and program storage block.Utilize structure in FPGA Independent FPU Float Point Unit is built to guarantee the real-time of calculating riding index.FPGA is as in the calculating control of the tester The heart can determine the size of vibration by the synchronization of acceleration module, GPS module, frequency module, clock module, and vibration occurs When the position and speed of train, current time；It, can be real-time by hour module, data memory module and wireless network module It has been shown that, storage and wireless transmission institute's measured data and calculated result.But the utility model only acquires acceleration signal, is unable to various dimensions Measure train operation injustice compliance；It is only portable handheld device, cannot obtains original signal to extensive high sampling rate.

Utility model content

The purpose of this utility model is exactly to provide a kind of based on sound and vibration to overcome the problems of the above-mentioned prior art The train operation injustice compliance monitoring device of roughness.

The purpose of this utility model can be achieved through the following technical solutions:

A kind of train operation injustice compliance monitoring device based on sound vibration roughness, the device includes sensor network Network, distributed data acquisition substation and onboard servers station；

The sensor network is set to inside and outside compartment everywhere, and distributed data acquisition substation described in one is set to In one section compartment, the sensor network is described by the distributed data acquisition substation in the cable connection section compartment Distributed data acquisition substation connects onboard servers station by Ethernet.

Preferably, the sensor network includes acceleration transducer for extracting train vibration signal and for mentioning Take the audio sensor of train noise signal.

Preferably, the acceleration transducer includes three-dimensional acceleration transducer and unidirectional acceleration transducer, described Unidirectional acceleration transducer be set to excitation source position, the three-dimensional acceleration transducer be set to interior obtain excitation ring It answers.

Preferably, the distributed data acquisition substation includes signal conditioning circuit, power supply module, controller and data Analog input card, the sensor network are connect by signal conditioning circuit with data collecting plate card, the data acquisition board Card is connect with controller, and the controller connects onboard servers station by Ethernet.

Preferably, the power supply module includes Alternating Current Power Supply and uninterruptible power supply, and the controller is a NI Compact-RIO controller.

Preferably, the onboard servers station includes power supply unit, remote power feeding enabled module, clock server, clothes Be engaged in device and KVM (Keyboard Video Mouse), and the power supply unit is connect with train main power supply system, the power supply Device enables module by remote power feeding and connect with server, and the server is connect with clock server and KVM respectively.

Preferably, the onboard servers station further includes server switch, the distributed data acquisition substation It further include the substation interchanger for supporting POE power supply, described substation interchanger one end connects server switch, other end connection The controller of distributed data acquisition substation.

Preferably, the server switch is multichannel multimode interchanger, and the server switch supports 100,000,000 And more than gigabit Ethernet, 20 tunnels access and optic electric interface.

Preferably, the server is work station rank host, and the KVM includes keyboard, mouse and display, institute The KVM stated connect with server and can access the resource of server.

Compared with prior art, the utility model has the advantage that

1, the sensor network of the utility model acquires spy of this kind of signal to extract vibration by acceleration transducer Sign, also acquires feature of this kind of signal to extract noise by audio sensor, measures train operation irregularity from various dimensions Degree.

2, the power supply module of the utility model can obtain electric energy from train main power supply system nearby；It is unstable on train to reduce Influence of the fixed power supply to data collection system, equipped with uninterruptible power supply.

3, the clock server of the utility model supports GPS, Beidou or IRIG time service, mentions for the server of server station For precise time, server station is by the machine time synchronization to each data-collecting sub-station, thus when reaching each distributed capture substation Between synchronous effect.

4, the sensor network of the utility model inside and outside compartment everywhere, can obtain original letter to extensive high sampling rate Number.

Detailed description of the invention

Fig. 1 is the monitoring system structure diagram of the utility model；

Fig. 2 is the monitoring system layout schematic diagram of the utility model；

Fig. 3 is the rail cars rough schematic view of the utility model；

Fig. 4 is the connection schematic diagram of each element of monitoring system of the utility model.

Specific embodiment

Below by the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described Embodiment is a part of the embodiment of the utility model, rather than whole embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work all should belong to this The range of utility model protection.

More scientificlly and effectively to assess train operation injustice compliance, the utility model initially sets up a universal model. The compartment model of train is as shown in figure 3, every section compartment is by compartment, bogie and wheel pair and spring-damping system The Mdof Vibration System of composition.By taking the passenger car with secondary suspension device as an example, it is assumed that compartment, bogie and wheel pair For rigid body, i.e., the elastic deformation in vibration processes is not considered, is attached between compartment and bogie by secondary suspension device, Bogie and wheel are attached between by single stage suspension device.

As shown in figure 4, train is by taking A type vehicle hangs the marshalling of 8 sections as an example, the sensor network includes #1 acceleration transducer Array and #2 audio sensor array；Rail cars inner sensor network analog signal collected through #3 signal conditioning circuit into Enter #4 data collecting plate card front end, is digital signal by the firm controller acquisition of #5 high-performance through AD conversion, and by calculating, turning It changes and is issued by Ethernet；Likewise, also filtered collected acceleration, audio analog signals in other compartments #6, AD conversion, calculating are simultaneously issued by Ethernet.Each distributed data acquisition substation is articulated on #8 multichannel interchanger, service Device host is also articulated on #8 multichannel interchanger, and such server host may have access to the content of all data substation publications, It can be that each estrade station issues control instruction by interchanger.

For project example, which need to configure at least 1 work station rank host, 1 clock server, 1 high property Energy interchanger, 8 distributed data acquisition substations (hanging the marshalling of 8 sections for A type vehicle), are laid with optical fiber or surpass five class multiple twin gauze screens Line builds Ethernet access, several acceleration transducers and audio sensor.

The principles of the present invention are as depicted in figs. 1 and 2, including sensor network, distributed data acquisition substation and vehicle Carry server station.

The sensor network includes being arranged in the unidirectional acceleration transducer of driving source and being arranged in interior to obtain Take the three-dimensional acceleration transducer of exciter response.The sensor network further includes audio sensor array.

The distributed data substation is equipped with the front panel of connector switching: front panel one end faces various kinds of sensors, Different types of mother socket is provided, one end is in face of signal conditioning circuit or is directly connected to data collecting plate card.The distribution Data substation further includes data collecting plate card, supports multichannel synchronousing collection, built-in frequency overlapped-resistable filter that IEPE is supported to open short circuit Detection and IEPE signal condition.The distributed data substation further includes the embedded real-time control with reconfigurable FPGA Device, as slave computer data sampling and processing and the core component of transmission.

The server station includes power supply module (including Alternating Current Power Supply and uninterruptible power supply), and remote power feeding enables mould Block, clock server, interchanger, server and KVM.Administrator is interacted by KVM with host, can configure acquisition tasks, observation The spectrogram of each measurement point acceleration and audio, observation are referred to based on the train operation injustice compliance that sound vibration roughness is calculated Mark.

Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can be readily occurred in various Equivalent modifications or substitutions, these modifications or substitutions should be covered within the scope of the utility model.Therefore, this is practical Novel protection scope should be subject to the protection scope in claims.

Claims

1. a kind of train operation injustice compliance monitoring device based on sound vibration roughness, which is characterized in that the device includes Sensor network, distributed data acquisition substation and onboard servers station；

The sensor network is set to inside and outside compartment everywhere, and distributed data acquisition substation described in one is set to a section In compartment, the sensor network passes through the distributed data acquisition substation in the cable connection section compartment, the distribution Formula data-collecting sub-station connects onboard servers station by Ethernet.

2. a kind of train operation injustice compliance monitoring device based on sound vibration roughness according to claim 1, feature It is, the sensor network includes acceleration transducer for extracting train vibration signal and for extracting train noise The audio sensor of signal.

3. a kind of train operation injustice compliance monitoring device based on sound vibration roughness according to claim 2, feature It is, the acceleration transducer includes three-dimensional acceleration transducer and unidirectional acceleration transducer, the unidirectional acceleration It spends sensor and is set to excitation source position, the three-dimensional acceleration transducer is set to interior and obtains exciter response.

4. a kind of train operation injustice compliance monitoring device based on sound vibration roughness according to claim 1, feature It is, the distributed data acquisition substation includes signal conditioning circuit, power supply module, controller and data collecting plate card, The sensor network is connect by signal conditioning circuit with data collecting plate card, the data collecting plate card and controller Connection, the controller connect onboard servers station by Ethernet.

5. a kind of train operation injustice compliance monitoring device based on sound vibration roughness according to claim 4, feature It is, the power supply module includes Alternating Current Power Supply and uninterruptible power supply, and the controller is a NI Compact-RIO Controller.

6. a kind of train operation injustice compliance monitoring device based on sound vibration roughness according to claim 1, feature It is, the onboard servers station includes that power supply unit, remote power feeding enable module, clock server, server and KVM, The power supply unit is connect with train main power supply system, and the power supply unit enables module and server by remote power feeding Connection, the server are connect with clock server and KVM respectively.

7. a kind of train operation injustice compliance monitoring device based on sound vibration roughness according to claim 6, feature It is, the onboard servers station further includes server switch, and the distributed data acquisition substation further includes supporting The substation interchanger of POE power supply, described substation interchanger one end connect server switch, and the other end connects distributed data The controller of acquisition substation.

8. a kind of train operation injustice compliance monitoring device based on sound vibration roughness according to claim 7, feature It is, the server switch is multichannel multimode interchanger, and the server switch supports 100,000,000 and gigabit ether More than net, 20 tunnels access and optic electric interface.

9. a kind of train operation injustice compliance monitoring device based on sound vibration roughness according to claim 6, feature Be, the server is work station rank host, and the KVM includes keyboard, mouse and display, the KVM with Server connects and can access the resource of server.