CN208751705U - A kind of railway air conditioner vibration monitoring and fault diagnosis system - Google Patents
A kind of railway air conditioner vibration monitoring and fault diagnosis system Download PDFInfo
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- CN208751705U CN208751705U CN201821439055.2U CN201821439055U CN208751705U CN 208751705 U CN208751705 U CN 208751705U CN 201821439055 U CN201821439055 U CN 201821439055U CN 208751705 U CN208751705 U CN 208751705U
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- acceleration transducer
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Abstract
The utility model relates to a kind of railway air conditioner vibration monitoring and fault diagnosis systems, including, the multiple acceleration transducers being mounted on air-conditioning and air-conditioning mounting foot, the data collecting instrument being connect with acceleration transducer, the wireless router being connect with data collecting instrument, with the server of wireless router communication connection, and the user terminal being connect with server；The data collecting instrument carries out finger Scalar operation to the sensor signal of acquisition, and index amount information is uploaded to by server by wireless router, the server is stored and is analyzed to the data of upload, and sends warning message to user terminal in data exception.The utility model can real-time monitoring railway air conditioner complete machine and critical component health status, help enterprise to find failure problems in time, enterprise's maintenance cost be effectively reduced.
Description
Technical field
The utility model relates to railway air conditioner equipment, especially a kind of railway air conditioner vibration monitoring and fault diagnosis system.
Background technique
Railway air conditioner is installed on the both ends or a Duan Gu of Railway vehicle car roof each compartment by units' installation foot damper
Determine on frame, running state of air conditioner and complete machine oscillation state directly affect guest room comfort, so to carry out to air-conditioner set offline
And on-line real time monitoring.In addition, air conditioner vibration, rotor element vibration test system foundation can be used for analyzing air-conditioning vibration with
The variation tendency of travel condition of vehicle, vibration reducing measure with the vibration isolation rate attenuation of runing time, complete machine oscillation with load change
Change trend etc. has certain reference significance to later railway air conditioner rotor element fault diagnosis, the design of railway air conditioner vibration insulating system.When
The Vibration Condition Monitoring mode of preceding railway air conditioner is when air-conditioning is placed in tooling bracket or is installed on stationary vehicle, to be adopted by data
Collect equipment, air conditioner arrangement vibrating sensor is tested.Current vibration status monitoring can not acquire travel condition of vehicle
The Vibration Condition of air-conditioning, on the vibration sources such as Vehicular vibration on air-conditioning vibration characteristics influence can not assess, cannot achieve railway air conditioner with
The real-time monitoring of travel condition of vehicle cannot accomplish to position failure early stage, test to carry out after going wrong, engineering technology people
Member long-range real-time testing and cannot analyze data.
Given this utility model is proposed.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, a kind of railway air conditioner vibration monitoring and failure are provided
Diagnostic system.
In order to realize the purpose, the utility model adopts the following technical solution:
A kind of railway air conditioner vibration monitoring and fault diagnosis system, including,
The multiple acceleration transducers being mounted on air-conditioning and air-conditioning mounting foot, for detecting air-conditioning and air-conditioning installation ground
The vibration of foot；
The data collecting instrument being connect with acceleration transducer, the simulation that the data collecting instrument generates acceleration transducer
Signal is converted to raw digital signal, and carries out finger Scalar operation to raw digital signal；
The wireless router being connect with data collecting instrument,
With the server of wireless router communication connection, and the user terminal being connect with server；
Index amount information is uploaded to server by wireless router by the data collecting instrument, and the server is to upload
Data stored and analyzed, and in data exception to user terminal send warning message.
Further, the air-conditioning includes air-conditioning bottom plate, axial flow blower, compressor and ventilation blower；The air-conditioning bottom plate and sky
Mounting foot connection is adjusted, the compressor is fixed on air-conditioning bottom plate；The acceleration transducer being mounted on air-conditioning respectively corresponds
It is mounted on air-conditioning bottom plate, axial flow blower, compressor and ventilation blower.
Further, the air-conditioning bottom plate and ventilation blower are connect by way of bonding with acceleration transducer respectively, described
Axial flow blower is equipped with a T-slot, and a mounting plate is equipped in T-slot, and the mounting plate connects by the way that bolt and T-slot are fixed
It connects, and is connect by bonding way with acceleration transducer.
Further, the compressor is equipped with a mounting bracket, and is connect by mounting bracket with acceleration transducer；Institute
Stating mounting bracket includes,
The clip of one circular ring shape, is set on compressor case；
Mounting base of the fixing sleeve on clip, the mounting base are contacted with the shell of compressor；
The mounting base is connect by bonding way with acceleration transducer.
Further, the acceleration transducer is three-dimensional acceleration transducer.
Further, the wireless router is technical grade 3G router, and the user terminal is computer or smart phone.
Further, the data collecting instrument is also connected with a storage equipment, and data collecting instrument is automatic by raw digital signal
It is stored in storage equipment.
After technical solution described in the utility model, bring it is following the utility model has the advantages that
1, the utility model can real-time monitoring railway air conditioner complete machine and critical component health status, help enterprise to send out in time
Existing failure problems, can reduce enterprise maintenance cost, improve maintenance efficiency, increase enterprise profit, reinforce the competitiveness of enterprise.
2, the data of the utility model acquisition are transmitted to user terminal by way of wireless transmission, early period construction cost
Low, late maintenance cost is low, is substantially zero increase wiring cost between air-conditioning and car body, design time is short, and operation speed is fast, the later period
Manpower needed for maintenance is few, expense is low, and on the other hand for the railway air conditioner of delivered operation, structure space etc. is relatively more limited
System, and the mode of the wireless transmission of the utility model gets rid of the constraint of cable, and small in size, is not restricted by site factors,
It can arrange at any time on demand.
3, the utility model also can carry out vibration monitoring to the operating status of air-conditioning when vehicle is run, and can overcome vehicle
The influence of vibration, this is conducive to the accuracy for improving entire railway air conditioner diagnosis, keeps operation of air conditioner relatively reliable.
Detailed description of the invention
Fig. 1: the overall top view of the utility model；
Fig. 2: schematic view of the mounting position of the acceleration transducer of the utility model on axial flow blower；
Fig. 3: mounting means schematic diagram of the acceleration transducer of the utility model on axial flow blower；
Fig. 4: schematic view of the mounting position of the acceleration transducer of the utility model on ventilation blower；
Fig. 5: the schematic view of the mounting position of the acceleration transducer of the utility model on the compressor；
Fig. 6: schematic view of the mounting position of the acceleration transducer of the utility model on air-conditioning bottom plate；
Fig. 7: the mounting means schematic diagram of the acceleration transducer of the utility model on the compressor；
Fig. 8: the system catenation principle figure of the utility model；
Wherein: 1, air-conditioning mounting foot 2, air-conditioning bottom plate 3, axial flow blower 4, compressor 5, ventilation blower 6, acceleration
Sensor 3a, T-slot 3b, mounting plate 3c, bolt 4a, clip 4b, mounting base.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
As illustrated in figures 1 and 8, a kind of railway air conditioner vibration monitoring and fault diagnosis system, including, it is mounted on air-conditioning and sky
Multiple acceleration transducers 6 on mounting foot 1 are adjusted, for detecting the vibration of air-conditioning and air-conditioning mounting foot 1；It is passed with acceleration
The data collecting instrument that sensor 6 connects, the analog signal for generating acceleration transducer 6 are converted to raw digital signal, and
Finger Scalar operation is carried out to raw digital signal, average value, maximum value, minimum value and virtual value including calculating acceleration；With
The wireless router of data collecting instrument connection, the server with wireless router communication connection, and the use being connect with server
Family terminal.Index amount information is uploaded to server by wireless router by the data collecting instrument, and the server is to upload
Data stored and analyzed, and in data exception to user terminal send warning message.User can pass through user's end
End access server carries out the work such as browsing data and analysis, and is joined by server and internet to data collecting instrument
The operations such as number setting, start and stop control, initial data downloading.
Specifically, the air-conditioning includes air-conditioning bottom plate 2, axial flow blower 3, compressor 4 and ventilation blower 5；The air-conditioning bottom plate
2 connect with air-conditioning mounting foot 1, and the compressor 4 is fixed on air-conditioning bottom plate 2；The acceleration transducer 6 being mounted on air-conditioning
It respectively corresponds and is mounted on air-conditioning bottom plate 2, axial flow blower 3, compressor 4 and ventilation blower 5, for detecting air-conditioning bottom plate 2, axis stream wind
The vibration of machine 3, compressor 4 and ventilation blower 5.
In conjunction with shown in Fig. 2 to Fig. 6, the air-conditioning bottom plate 2 and ventilation blower 5 are respectively by way of bonding and acceleration sensing
Device 6 connects, and the axial flow blower 3 is equipped with a T-slot 3a, and it is logical that mounting plate a 3b, the mounting plate 3b is equipped on T-slot 3a
It crosses bolt 3c to be fixedly connected with T-slot 3a, and is connect by bonding way with acceleration transducer 6.
As shown in connection with fig. 7, the compressor 4 is equipped with a mounting bracket, and passes through mounting bracket and acceleration transducer
6 connections.The mounting bracket includes that the clip 4a of a circular ring shape is set on 4 shell of compressor；Fixing sleeve is on clip 4a
Mounting base 4b, the mounting base 4b contacts with the shell of compressor 4；Mounting base 4b passes through bonding way and acceleration transducer
6 connections, the vibration from compressor 4 are transferred to acceleration transducer 6 by mounting base 4b.
Preferably, the acceleration transducer 6 is three-dimensional acceleration transducer, can be tested simultaneously lateral, longitudinal and vertical
To vibration acceleration.
Preferably, the wireless router is technical grade 3G router, and the user terminal is computer or smart phone.
Preferably, the data collecting instrument is also connected with a storage equipment, and data collecting instrument is automatic by raw digital signal
It is stored in storage equipment, to realize the backup to raw digital signal.
A kind of railway air conditioner Method of Vibration Diagnosis utilizes above-mentioned railway air conditioner vibration monitoring and fault diagnosis system, packet
Include following steps:
Step 1, obtains the acceleration signal of each acceleration transducer 6, and converts analog signals into digital signal；
Step 2 generates the time domain waveform of acceleration signal, and row index amount of going forward side by side calculates, including, calculate acceleration
Average value, maximum value, minimum value and virtual value；
Step 3, the index amount that given threshold determines, including acceleration average value, maximum value, minimum value and virtual value, and
It is accordingly compared with the data in step 2, when exceeding threshold value, carries out abnormal automatic alarm；
Step 4 carries out transfer function analysis to the acceleration signal of air-conditioning and air-conditioning mounting foot 1, analysis transmitting in real time
Rate carries out abnormal automatic alarm when transport >=1.
Preferably, the step 2 further includes carrying out frequency-domain analysis to the acceleration signal of each acceleration transducer 6,
And the display of output amplitude frequency curve is schemed in real time.
Specifically, the step 1 is, in operation of air conditioner, multiple acceleration transducers 6 detect air-conditioning bottom plate respectively
2, the acceleration of axial flow blower 3, compressor 4, ventilation blower 5 and air-conditioning mounting foot 1, and analog signal is exported, it is transferred to data
Acquisition Instrument；The analog signal that data collecting instrument will acquire is converted to digital signal；
Specifically, the step 2 is that data collecting instrument generates time domain waveform according to digital signal, and calculates acceleration
Average value, maximum value, minimum value and the virtual value of degree；The virtual value is root-mean-square valve, is referred in specific time interval
One amount each instantaneous value square average value square root.
Specifically, the step 3 is that engineering staff passes through the index amount of server manual setting threshold determination, server
The data from data collecting instrument are acquired at regular intervals, and are compared with corresponding threshold value, when exceeding threshold value, data
It is transmitted to user terminal, and carries out abnormal automatic alarm.
Specifically, the step 4 is that server carries out transfer function analysis to compressor 4 and air-conditioning mounting foot 1, real
When analyze transport, when transport >=1, data are transmitted to user terminal, and carry out abnormal automatic alarm.
The above is the embodiments of the present invention, it is noted that for the ordinary skill in the art,
Under the premise of not departing from the utility model principle, various deformation and improvement can also be made, this also should be considered as the utility model
Protection scope.
Claims (7)
1. a kind of railway air conditioner vibration monitoring and fault diagnosis system, it is characterised in that: including,
The multiple acceleration transducers being mounted on air-conditioning and air-conditioning mounting foot, for detecting air-conditioning and air-conditioning mounting foot
Vibration；
The data collecting instrument being connect with acceleration transducer,
The wireless router being connect with data collecting instrument,
With the server of wireless router communication connection, and the user terminal being connect with server.
2. a kind of railway air conditioner vibration monitoring according to claim 1 and fault diagnosis system, it is characterised in that: the sky
It stealthily substitutes and includes, air-conditioning bottom plate, axial flow blower, compressor and ventilation blower；The air-conditioning bottom plate is connect with air-conditioning mounting foot, the pressure
Contracting machine is fixed on air-conditioning bottom plate；The acceleration transducer being mounted on air-conditioning, which respectively corresponds, is mounted on air-conditioning bottom plate, axis stream wind
On machine, compressor and ventilation blower.
3. a kind of railway air conditioner vibration monitoring according to claim 2 and fault diagnosis system, it is characterised in that: the sky
Bottom plate and ventilation blower is adjusted to connect by way of bonding with acceleration transducer respectively, the axial flow blower is equipped with a T-slot,
A mounting plate is equipped in T-slot, the mounting plate is fixedly connected by bolt with T-slot, and by bonding way and is accelerated
Spend sensor connection.
4. a kind of railway air conditioner vibration monitoring according to claim 2 and fault diagnosis system, it is characterised in that: the pressure
Contracting machine is equipped with a mounting bracket, and is connect by mounting bracket with acceleration transducer；The mounting bracket includes,
The clip of one circular ring shape, is set on compressor case；
Mounting base of the fixing sleeve on clip, the mounting base are contacted with the shell of compressor；
The mounting base is connect by bonding way with acceleration transducer.
5. a kind of railway air conditioner vibration monitoring according to claim 1-4 and fault diagnosis system, feature exist
In: the acceleration transducer is three-dimensional acceleration transducer.
6. a kind of railway air conditioner vibration monitoring according to claim 1 and fault diagnosis system, it is characterised in that: the nothing
Line router is technical grade 3G router, and the user terminal is computer or smart phone.
7. a kind of railway air conditioner vibration monitoring according to claim 1 and fault diagnosis system, it is characterised in that: the number
It is also connected with a storage equipment according to Acquisition Instrument, raw digital signal is stored automatically in storage equipment by data collecting instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439055.2U CN208751705U (en) | 2018-09-04 | 2018-09-04 | A kind of railway air conditioner vibration monitoring and fault diagnosis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439055.2U CN208751705U (en) | 2018-09-04 | 2018-09-04 | A kind of railway air conditioner vibration monitoring and fault diagnosis system |
Publications (1)
| Publication Number | Publication Date |
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| CN208751705U true CN208751705U (en) | 2019-04-16 |
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| CN201821439055.2U Active CN208751705U (en) | 2018-09-04 | 2018-09-04 | A kind of railway air conditioner vibration monitoring and fault diagnosis system |
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| CN (1) | CN208751705U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100011A (en) * | 2018-09-04 | 2018-12-28 | 山东朗进科技股份有限公司 | A kind of railway air conditioner vibration monitoring and fault diagnosis system and diagnostic method |
| CN110736495A (en) * | 2019-10-12 | 2020-01-31 | 重庆工商大学 | portable fault diagnosis device for data collection equipment |
-
2018
- 2018-09-04 CN CN201821439055.2U patent/CN208751705U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100011A (en) * | 2018-09-04 | 2018-12-28 | 山东朗进科技股份有限公司 | A kind of railway air conditioner vibration monitoring and fault diagnosis system and diagnostic method |
| CN110736495A (en) * | 2019-10-12 | 2020-01-31 | 重庆工商大学 | portable fault diagnosis device for data collection equipment |
| CN110736495B (en) * | 2019-10-12 | 2021-10-08 | 重庆工商大学 | Portable fault diagnosis device for data collection equipment |
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