CN108717276A - A kind of railway vacuum unloads the long-range operation maintenance system of dirty equipment - Google Patents
A kind of railway vacuum unloads the long-range operation maintenance system of dirty equipment Download PDFInfo
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- CN108717276A CN108717276A CN201810643067.5A CN201810643067A CN108717276A CN 108717276 A CN108717276 A CN 108717276A CN 201810643067 A CN201810643067 A CN 201810643067A CN 108717276 A CN108717276 A CN 108717276A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The present invention relates to a kind of railway vacuum to unload the long-range operation maintenance system of dirty equipment, belongs to railway equipment intellectualized technology field, mainly by front-end collection system, data transmission network system and data processing system composition；Front-end collection system is connect with data transmission network system, and data transmission network system is connect with data processing system.Remote diagnosis and maintenance is carried out to current railway vacuum evacuation system by network, time and expense of the service engineer to scene can be reduced, a large amount of cost of human and material resources have not only been saved, while can also provide for client and more efficiently service, have reduced the loss of client.
Description
Technical field
The present invention relates to a kind of long-range operation maintenance system of equipment, more particularly to a kind of railway vacuum is unloaded dirty equipment and is remotely transported
Row maintenance system belongs to railway equipment intellectualized technology field.
Background technology
Long-range operation maintenance system, abbreviation novel maintenance system, be in the entire life cycle of equipment, by intelligent and
Network realizes the monitoring to equipment running status, main parts periodicmaintenance, fault pre-alarming.
In recent years, some developed countries headed by America and Europe, manufacturing industry start some new technological trends, i.e. equipment occur
Intelligent product, networking.The effective information quality and information sharing mode for improving acquisition, raising equipment operating efficiency,
Disclose Whole Process Control in production process.
With the enhancing of national economic strength, everybody also steps up in the requirement to environmental protection.Railway transport of passengers train
The lavatory in compartment is gradually developed from original direct emission to vacuum feces collecting, and thus mating railway vacuum unloads dirty equipment, possesses
Amount increases, and safeguards and monitors demand, thereupon.
Railway vacuum evacuation system has covered national 18 Railway Bureaus at present, in the whole nations such as MTU depot, the whole institute of visitor, stations
A website is extensively and profoundly applied more than 100.Existing vacuum evacuation system is divided into 2 major class, 6 types, and per needed for one kind
There is the data to be acquired very big difference, the overwhelming majority to unload dirty center and not have remote monitoring function, for later stage operation dimension
Protecting management work, more stringent requirements are proposed.
Since these number of devices are more, distribution is wide, the day-to-day operation shape for grasping equipment can not in time, be accurately monitored at present
State is all to report description phenomenon of the failure for repairment by customer phone once breaking down, and client is inaccurate to phenomenon of the failure description, no
Comprehensive situation happens occasionally, and causes service engineer to be difficult to carry out Accurate Diagnosis to equipment fault, to increase maintenance work
Difficulty, make repair replace standby redundancy preparation and can not be targeted to arranging work for field conduct maintenance work personnel
Tissue and progress.It is traditional it is artificial report for repairment, the management mode after sale of on-site maintenance obviously has been unable to meet competition and increasingly swashs
The market environment encouraged.
Therefore, in order to solve the problems, such as vacuum evacuation system operation, safeguard, reinforce equipment running status monitoring；
The promptness and validity for improving repair, safeguarding；Improve that after-sale service is horizontal and satisfaction, it is ensured that the normal operation of system is
Railway operation provides sound assurance, unloads dirty equipment for different types of vacuum and carries out long-range operation maintenance system research, carries
Unloading the long-range operation maintenance system of dirty equipment just for a kind of railway vacuum becomes the technical barrier that the technical field is badly in need of solution.
Invention content
The purpose of the present invention is to provide one kind can collecting and analyzing equipment running status information, finds that operation is asked in time
Topic realizes data efficient, fast processing and analysis using information platform, and it is remote to ensure that the railway vacuum of equipment normal operation unloads dirty equipment
Journey operation maintenance system.
To achieve the above object, the present invention takes following technical scheme：
A kind of railway vacuum unloads the long-range operation maintenance system of dirty equipment, it is characterised in that：Mainly by front-end collection system, number
It is formed according to transfers net system and data processing system；Front-end collection system is connect with data transmission network system, data transmission
Network system is connect with data processing system；The front-end collection system includes data converter, acquisition control unit, sensing dress
It sets, built-in industrial control machine, alarm, communication module, the built-in industrial control machine unloads dirt by data converter and railway vacuum
The data output of system connects, and is connected with the sensing device of railway vacuum evacuation system by acquisition control unit, described
Acquisition control unit is connected with the sensing device, built-in industrial control machine and alarm respectively, the communication module respectively with
Built-in industrial control machine is connected with data processing system；The data processing system includes at server and connected data
Reason center LAN.
Preferably, the data processing system is equipped with fire wall.
Preferably, the communication module is GPRSDTU communication modules.
Preferably, the sensing device includes temperature sensor, humidity sensor, vibrating sensor or baroceptor.
Preferably, in the front-end collection system railway vacuum evacuation system data output be RS232, RS485 or
RJ45 network interfaces.
Preferably, the front-end collection system is equipped with local data storage.
Preferably, the data transmission network system is GPRS, 3G or 4G wireless data transmission network system, the front end
Acquisition system is connect by RS485 network interfaces with GPRS wireless data transmission network systems.
Preferably, the GPRS wireless data transmission networks system accommodates 127 remote transmission websites in a network segment.
Preferably, the GPRS wireless data transmission networks system is provided with multiple network segments, while parallel progress data are remote
Journey is transmitted.
The advantage of the invention is that：
(1) vacuum of the present invention unloads the long-range operation maintenance system of dirty equipment and passes through data collection station automatic collection vacuum
Unload dirty host, the running state data for the critical component for unloading dirty unit and vacuum pipe and equipment initial condition data (temperature,
Humidity, vibrations, air pressure etc.), it preserves to acquisition terminal equipment local, analyzes status data in real time, be when its status data reaches
After system setting threshold values, equipment sends out alarm prompt.Timing by equipment install yard AP or by public network (GPRS, 3G,
4G) or by railway Intranet (T-MIS) by device status data it is uploaded to Data processing central server.
(2) is determined by the device status data sent back in intelligent data analysis network analysis front end data acquisition equipment
The operating status that phase unloads vacuum dirty equipment and critical component does Gernral Check-up.Forecast incipient fault in time, and formulate respective dimension
Repair scheme.
(3) is by device history fault message, from equipment fault scene, time, component, parameter state value, failure
The dimensions such as type, phenomenon of the failure are analyzed and summarized, and grasp the inducement that failure occurs, and are transformed for device upgrade and repair provides
Strong data supporting and foundation.
(4) replaces accessory historical data by maintenance of equipment, from accessory type, replacing construction, quantity, place, reason
Angle analysis is summarized, and grasps member replacing trend and developing state, decision branch is provided to establish standby redundancy dynamic administrative mechanism
Support.
(5) realizes that front end data acquisition equipment realizes external unified interface and communications protocol, provides equipment diversified
Interface.
The railway vacuum of the present invention unloads the long-range operation maintenance system of dirty equipment by establishing long-range operation maintenance system, not only
It can realize the compatibility for remotely monitoring centralized management system to existing vacuum pump set, may also help in and collect and analyze equipment operation
Status information finds operation problem in time, and data efficient, fast processing and analysis are realized using information platform, ensures that equipment is normal
Operation.
Remote diagnosis and maintenance is carried out to current railway vacuum evacuation system by network, it is possible to reduce service engineer arrives
The time at scene and expense, have not only saved a large amount of cost of human and material resources, while can also be provided for client more efficiently
Service, reduces the loss of client.
Below by the drawings and specific embodiments, the present invention will be further described, but is not meant to protect the present invention
Protect the limitation of range.
Description of the drawings
Fig. 1 is the schematic network structure that railway vacuum of the present invention unloads the long-range operation maintenance system of dirty equipment.
Fig. 2 is the logical construction schematic diagram that railway vacuum of the present invention unloads the long-range operation maintenance system of dirty equipment.
Fig. 3 is the structural representation that railway vacuum of the present invention unloads front-end collection system in the long-range operation maintenance system of dirty equipment
Figure.
Main appended drawing reference explanation：
1 front-end collection system, 2 communication base station
3 fire wall, 4 first interchanger
5 second switch, 6 central server
7 first user, 8 second user
9 third users
Specific implementation mode
Embodiment 1
As shown in Figure 1, be the schematic network structure that railway vacuum of the present invention unloads the long-range operation maintenance system of dirty equipment,
In, 1 is front-end collection system, and 2 be communication base station, and 3 be fire wall, and 4 be the first interchanger, and 5 be second switch, centered on 6
Server, 7 be the first user, and 8 be second user, and 9 be third user；The railway vacuum of the present invention unloads dirty equipment and remotely runs dimension
Protecting system includes front-end collection system 1, communication base station 2, fire wall 3, the first interchanger 4, second switch 5, central server
6, the first user 7, second user 8, third user 9；Front-end collection system 1 passes through communication base station 2, fire wall 3, the first interchanger
4 and second switch 5 be connected with central server 6 and the first user 7, second user 8 and third user 9.
Railway vacuum unloads the long-range operation maintenance system of dirty equipment and relies on computer network, MTU depot, the whole institute of visitor, station point
Local area network is not built, and all terminals connect local area network, and computer network is accessed by special line channel；Together
When MTU depot, the whole institute of visitor, station deployment wireless access points (AP, Access Point), the terminal in front-end collection system
Acquisition module connects local area network by wireless aps, and computer network is accessed by special line channel.
Railway vacuum of the present invention unloads the long-range operation maintenance system of dirty equipment by front-end collection system, data transmission network system
It is formed with data processing system；Front-end collection system is connect with data transmission network system, data transmission network system and data
Processing system connects；Front-end collection system includes terminal acquisition module, built-in industrial control machine, data converter, acquisition control list
Member, sensing device, alarm, communication module, the built-in industrial control machine pass through data converter and railway vacuum evacuation system
Data output connection, be connected with the sensing device of railway vacuum evacuation system by acquisition control unit, acquisition control
Unit is connected with sensing device, built-in industrial control machine and alarm respectively, the communication module respectively with built-in industrial control machine
It is connected with data processing system；Data processing system includes server and connected data processing centre's LAN, number
It is equipped with fire wall according to processing system, communication module is GPRS DTU communication modules, and sensing device includes temperature sensor, humidity biography
Sensor, vibrating sensor or baroceptor etc., the data output in front-end collection system are 232,485 or 422 delivery outlets,
Front-end collection system is equipped with local data storage, and data transmission network system is GPRS, 3G or 4G wireless data transmission net
Network system is railway Intranet (T-MIS networks) system.
As shown in Fig. 2, being the logical construction schematic diagram that railway vacuum of the present invention unloads the long-range operation maintenance system of dirty equipment；Packet
Server, client, control layer and mechanical floor are included, server includes base station, connected GPRS DTU communication modules,
GPRS DTU communication modules are connected by internet (Internet) and router with remote service center, remote service center
It can be with short message Realtime Alerts, Data Management Analysis and data storage；It can provide local IP access, and IE is accessed and cell phone application is visited
It asks, wherein IE is accessed and cell phone application access needle is to user.
As shown in figure 3, being the knot that railway vacuum of the present invention unloads front-end collection system in the long-range operation maintenance system of dirty equipment
Structure schematic diagram；Front-end collection host is connect or is passed through with GPRS DTU wireless data transmission network systems by RS485 interfaces
Railway Intranet (T-MIS) connects, upload server after the data of all websites monitoring are packaged, and front-end collection host and unloads dirty single
It is connected by LORA communication modules between member, unloads dirty unit and be grouped according to live actual quantity, every group of LORA communicates mould
Block respectively unloads dirty unit monitoring point and is connected by 485 wire communications in group；Pass through between front-end collection host and vacuum pipe
LORA2R1L communication modules are connected, and 485 communications turn LORA wireless connections；Vacuum pipe monitoring shares three sets, using LORA-
2Re1L+ZKA-4088-RS or ZKA-4088-LORA；Vacuum pipe monitoring increases digital display vacuum degree newly and acquires sensor；It adopts front end
Collection host unloads the detection signal in dirty host with vacuum and is connected by 485MODBUS/RTU.Acquisition terminal module compatible equipment
Layer RJ45, RS485 interface, external interface RJ45, communications protocol TCP/IP.Terminal module is moved by GPRS via 4G logical
Believe net with MODBUS agreements and server communication.Acquisition terminal module integrates data acquisition, data storage, data transmission.
Front-end collection host is according to field condition, or passes through RS485 interfaces and GPRS DTU wireless data transmission networks system
System connection, or connected by railway Intranet (T-MIS).GPRS DTU wireless data transmission networks systems are most in a network segment
127 remote transmission websites are accommodated, multiple network segments can be arranged in GPRS DTU wireless data transmission networks system when necessary, while simultaneously
Row carries out data remote transmission, the mechanical floor in railway vacuum evacuation system include the big machine of import double pump, import list pump assembly, into
The small unit of the mouth big machine of double pump, domestic double pump unit, domestic single pump assembly and vacuum fill formula center.
In the embodiment of the present invention, vacuum unloads the front end data acquisition of the long-range operation maintenance system of dirty equipment, selects embedded
Main control device of the industrial personal computer as collection in worksite unloads the running state data of the critical component of dirty unit and vacuum pipe and sets
Standby initial condition data (voltage, electric current, temperature, humidity, vibrations, air pressure etc.), use commercially available industry spot sensing in the market
Device acquires, and sensor has and vacuum unloads the degree of protection and security reliability that dirty device context industry park plan environment matches.
The front end data acquisition controller that vacuum unloads the long-range operation maintenance system of dirty equipment passes through computer network and number
It is connected according to the server of processing system, gathered data is uploaded in the server of data processing system.When scene does not have iron
When the direct-connected condition of road computer network, GPRS data transmission module is connected by RS485 buses, data pass through in GPRS network system
Turn to be uploaded in the server of data processing system again.
The data transmission network system of the embodiment of the present invention uses GPRS DTU network data transmissions radio station, is a
The wireless network data transmission radio station that serial ports transmits serial data is carried out using GPRS network, ICP/IP protocol stack is integrated, is
User provides that all-transparent is point-to-point and the data transmission channel of point-to-multipoint, and GPRS numbers pass website, are limited without communication distance with host
System, using regular handset card, without fixed IP, serial ports to serial ports bidirectional real-time supports one-to-one and one-to-many communication, nothing
It need to apply for frequency point, facilitate networking, data security is high, is not easily susceptible to interfere, almost without communication dead angle, be brought greatly to user
It is convenient, realize data transparent transmission between serial equipment, the system integration ICP/IP protocol stack, all-transparent wireless transmission make
It is connect with front end data acquisition controller with RS485 interfaces.
The data transmission network system of the present invention, since vacuum unloads dirty device distribution more than the 100 of national 18 Railway Bureaus
A website (MTU depot, the whole institute of visitor, station), it is contemplated that the vacuum for acquiring monitoring is unloaded dirty equipment and can also be increased, it is necessary to consider data
Transmission system can have enough remote network sites, have good scalability and cost performance, for this purpose, the number of the present invention
It is to make full use of the nothing of mobile phone operators that GPRS data transfers net system, biggest advantage are preferentially selected according to transfers net system
Line network system, the signal covering whole nation, builds a station at low cost, network transmission speed is met the requirements.It theoretically can be in a network segment
127 remote transmission websites of interior receiving, but in order to improve transmission rate, system latency time is reduced, multiple nets can be arranged in system
Section, while data remote is carried out parallel.In this system, with every increase 20-30GPRS remote transmission websites, increase a network segment
Cost performance highest, concrete configuration can be adjusted according to actual acquisition effect.
The present invention data processing system base platform contain BI data analysis engines, permission and safety management,
System setting, Workflow Management, the storage and management of database, network security, Application Engineer station etc..
(1) .BI data analysis engines, permission and safety management, system setting, Workflow Management, the storage of database with
Management.According to data volume and business processing amount option and installment server, the present invention selects Huawei FusionServer
RH2288H V2-12 servers, BI data analysis engines, permission and safety management, system setting, Workflow Management, database
Storage and management share this server.
Huawei's FusionServer RH2288H V2-12 servers configuration is as follows：Rack 2U servers, CPU Intel
To strong Xeon E5-2609V2,2, memory 8GB, hard-disk interface SATA/SAS/SSD, 12 3.5 inches of SAS/SATA are can configure
With 2 2.5 cun of SAS/SATA/SSD hard disks, each hard disk standard configuration is 1TB, and network interface is+1 management of dual-port Gigabit Ethernet
Network interface, power supply are 1 460W gold medal efficient power of standard configuration, support N+1 redundancies, cooling system：Integrated BMC management modules, 4
A hot plug to counter-rotating fan, support N+1 redundancies；
(2) data processing centre's LAN in data processing systems, using the adaptive LANs of 100M and 1000M from
Adapt to LAN mixed mode.Server side uses the adaptive LANs of 1000M, the engineer station of application program to be placed in 100M
Adaptive LAN, the adaptive LANs of 100M where the engineer station of application program also can be with the existing local of user oneself
It is user-friendly that net merges interconnection.The engineer station of application program can be the special management that can also directly use user
Computer.If user network is railway mis system, transparent transmission connection needs the security audit by railway mis system.
(3) is according to network link situation and safety requirements, configuration Huawei USG6330 hardware firewalls.
The front end data acquisition system (front end data acquisition equipment) of the present invention, using siemens PLC smart PLC
Acquisition system is done, is connected with the data output of railway vacuum evacuation system by data converter, passes through acquisition control unit
With the connections such as temperature sensor, humidity sensor, shock sensor, baroceptor, passing through GPRS module and center service
Device connects.
Data converter：Different vacuum evacuation systems may have different RS232, RS485 or RJ45 network interfaces, lead to
485 interfaces of RS, Uniform data format can be converted to by crossing data converter, and industrial personal computer is facilitated to receive.
The front end data acquisition equipment that vacuum unloads dirty equipment remote detection website is unloaded mounted on vacuum in dirty device Host, main
It consists of the following parts：Power module, embedded industrial control host, ZKA-8088-RS, ZKD-12I12O-RS, collection in worksite pass
Sensor, it is MODBUS-RTU agreements that communication, which uses 485 interfaces of RS, agreement,.
Vacuum unloads dirty device Host acquisition signal：Vacuum unloads 485 interfaces that dirty device Host acquisition module uses industrial personal computer,
The industrial personal computer of selection has 6 serial ports, wherein RS 232 mouthfuls 5, and RS 485 mouthfuls one, 485 mouthfuls are com2 mouthfuls.
Vacuum line acquires the proximal ends PT202 vacuum degree, PT203 interludes vacuum degree, PT204 remote vacuums degree totally 3 points of letters
Number, since 3 signal locations are separation, every signal needs 1 set of acquisition module, each module only to need a point AI defeated
Enter, is made of one LORA wireless modules 2R1L of host computer side and 3 ZKA-4088-LORA modules.
Every vacuum pipe data acquisition equipment, mainly consists of the following parts：24V power modules, pressure transmitter,
ZKA-8088-LORA, live waterproof control cabinet, the LORA wireless modules 2R1L and industrial control host of host computer side pass through COM port or COM device or COM1
(RS232) it connects, agreement is MODBUS-RTU agreements.
Vacuum unloads dirty unit, and to correspond to a passenger car a set of, and according to station scale, each station has tens to hundreds of to cover to unload
Dirty unit.Using 1 LORA bus module, 10 substations LORA-2R1L modules, each substation module turns 485 outputs, under connect
10 sets of 485 serial acquisition modules of ZKD-8I8O-RS.
Every 100 sets are unloaded dirty unit, occupy one serial ports of industrial personal computer using 1 LORA bus module, selected industrial personal computer has 6
Serial ports, agreement are MODBUS-RTU agreements.
Since the front-end collection equipment that the vacuum of the present invention unloads the long-range operation maintenance system of dirty equipment is believed using working standard
The acquisition signal of number specification, all analog inputs passes through the acquisition input of the master die analog quantity input module of 4-20mA, switch
Amount is using 24V DC inputs.Temperature sensor, humidity sensor, shock sensor, baroceptor for being acquired etc. have ready-made
Industrial sensor for type selecting buy, it is of fine qualities, without voluntarily researching and developing.
When GPRS communicating interrupts, data transmit and receive pause, and automatic search connection connects rear log-on data and transmits and receives
Function.Timing dog is arranged in system on GPRS headend equipments, and when a normal data transmission terminates, communication data verification is logical
It crosses, program resets timing dog automatically.When not communicating successfully for a long time, the action of timing dog is automatic to start communication connection, inspection
It whether normal looks into communication, ensures that system is online.
The vacuum of the present invention, which unloads the long-range operation maintenance system of dirty equipment, to analyze equipment operating data, such as very
The operation hours such as empty pump, lobe pump, can send out reminder events, be lubricated oily filling, mechanical seal inspection, filter
It replaces, time-based maintenance etc..Especially pot type unloads dirty system equipment composition complexity, and fault point is more, the fault alarm in system operation
Information can directly reflect the state of equipment operation or the early warning of equipment fault, such as：Vacuum tank liquid level superelevation, dredge pump
No-mistake Principle failure, it can be determined that go out dredge pump blocking, pipeline blockage, once there is pipeline blockage, it is likely that cause system function
It completely loses.Under such circumstances, accuracy, promptness, the validity of equipment operating data, especially warning message are especially heavy
It wants.
The vacuum of the present invention is unloaded in the long-range operation maintenance system of dirty equipment, is unloaded by data collection station automatic collection dirty single
The running state data of the critical component of member and vacuum pipe and equipment initial condition data (temperature, humidity, vibrations, air pressure
Deng), it is uploaded and is preserved to data processing system by data transmission network system, run for data processing system process analytical equipment
State, since telecommunication there is a possibility that Communications failure in short-term, front-end collection system have certain local datastore
Ability, when the non-Returning communication success of communication handshake, system can automatic retransmission data.
Beneficial effects of the present invention：
(1) reinforces equipment running status monitoring.
(2) acquires current railway vacuum evacuation system progress status data by network in real time.
(3) carries out mining analysis by BI systems to device status data, and Gernral Check-up is carried out to its operating status, real
Existing incipient fault is prejudged, is alerted, and finds operation problem in time, decreases or even eliminates the pipe after sale that failure/reaction equation is safeguarded
Reason pattern exists.
(4) is by the way that failure data analysis, realization remotely examines current railway vacuum evacuation system by network
Disconnected and maintenance, it is possible to reduce time and expense of the service engineer to scene, a large amount of cost of human and material resources are not only saved,
It can also provide for client and more efficiently service simultaneously, reduce the loss of client.
(5) establishes breakdown maintenance experts database by analyzing phenomenon of the failure；Standby redundancy dynamic administrative mechanism is established, is subtracted
Few product spare part dynamic management stock and shortening dispatch cycle.
Claims (10)
1. a kind of railway vacuum unloads the long-range operation maintenance system of dirty equipment, it is characterised in that：Mainly by front-end collection system, data
Transfers net system and data processing system composition；Front-end collection system is connect with data transmission network system, data transmission network
Network system is connect with data processing system；The front-end collection system includes data converter, acquisition control unit, sensing dress
It sets, built-in industrial control machine, alarm, communication module, the built-in industrial control machine unloads dirt by data converter and railway vacuum
The data output of system connects, and is connected with the sensing device of railway vacuum evacuation system by acquisition control unit, described
Acquisition control unit is connected with the sensing device, programmable controller and alarm respectively, the communication module respectively with
Programmable controller is connected with data processing system；The data processing system includes at server and connected data
Reason center LAN.
2. railway vacuum according to claim 1 unloads the long-range operation maintenance system of dirty equipment, it is characterised in that：The data
Processing system is equipped with fire wall.
3. railway vacuum according to claim 1 unloads the long-range operation maintenance system of dirty equipment, it is characterised in that：The communication
Module is GPRS communication modules.
4. railway vacuum according to claim 1 unloads the long-range operation maintenance system of dirty equipment, it is characterised in that：The sensing
Device includes temperature sensor, humidity sensor, vibrating sensor or baroceptor.
5. railway vacuum according to claim 1 unloads the long-range operation maintenance system of dirty equipment, it is characterised in that：The front end
The data output of railway vacuum evacuation system is RS232, RS485 or RJ45 network interface in acquisition system.
6. railway vacuum according to claim 1 unloads the long-range operation maintenance system of dirty equipment, it is characterised in that：The front end
Acquisition system is equipped with local data storage.
7. railway vacuum according to claim 1 unloads the long-range operation maintenance system of dirty equipment, it is characterised in that：The data
Transfers net system be GPRS, 3G or 4G wireless data transmission network system, the front-end collection system by RS485 interfaces with
GPRS wireless data transmission network systems connect.
8. railway vacuum according to claim 1 unloads the long-range operation maintenance system of dirty equipment, it is characterised in that：The GPRS
Wireless data transmission network system accommodates multiple remote transmission websites in a network segment.
9. railway vacuum according to claim 8 unloads the long-range operation maintenance system of dirty equipment, it is characterised in that：The GPRS
The number that wireless data transmission network system accommodates remote transmission website in a network segment is less than 127.
10. railway vacuum according to claim 1 unloads the long-range operation maintenance system of dirty equipment, it is characterised in that：It is described
GPRS wireless data transmission network systems are provided with multiple network segments, while carrying out data remote transmission parallel.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109405218A (en) * | 2018-11-02 | 2019-03-01 | 广东美的暖通设备有限公司 | Controller control method and control device, controller and air conditioner |
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