CN110425126A - Portable air compressor test device and its test method and application - Google Patents
Portable air compressor test device and its test method and application Download PDFInfo
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- CN110425126A CN110425126A CN201910823620.8A CN201910823620A CN110425126A CN 110425126 A CN110425126 A CN 110425126A CN 201910823620 A CN201910823620 A CN 201910823620A CN 110425126 A CN110425126 A CN 110425126A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
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Abstract
The present invention provides a kind of Portable air compressor test device and its test method and applications, carry convenient tool so as to provide one kind for the testing staff of existing air compressor machine and its drying system, can be used to whenever and wherever possible detect air compressor machine.The test device includes test host, Sensor box and the hand-held computer with test software.It can be to avoid the disassembly of air compressor machine and its processing system when carrying out periodic maintenance to train using the test device.It is equivalent to traditional detection mode, device and method provided by the invention can significantly reduce the maintenance cost of train air compressor machine and its drying system, and greatly improve the turnover rate of overhaul efficiency and train.
Description
Technical field
The present invention relates to the detection devices and method of air compressor machine and its drying system, arrange more particularly to track transportation industry
The detection device and method of the air compressor machine and its processing system that are used on vehicle.
Background technique
Come at present using compressed air in the train of field of track traffic, subway, high-speed rail and electric bus scholar, truck
Realize final braking.In order to guarantee the safety of driving, the air compressor machine and its drying system for generating compressed air are all necessary
It is regularly maintained, however, being different from being mounted on the fixation air compressor system in the place such as factory, building site, hospital mine, in rail traffic
Field, air compressor machine and its drying system are mounted on train, are mobile.Especially when air compressor machine failure, vehicle can be made
Brake system non-functional, to cause the immovable of vehicle.
Up to the present from first train running before 200 years, never a kind of effective tool is asked to solve this
Topic.For above situation, it is necessary to develop for the air compressor machine and its processing system used on rail traffic delivery vehicle
Novel detection device and method.
Summary of the invention
The present invention provides the detection devices and side of the air compressor machine used and its processing system on track transportation industry train
Method, so as to provide a kind of convenient tool for the testing staff of existing air compressor machine and its drying system, can be used to
When air compressor machine is detected everywhere, save a large amount of manpower and material resources.
When train is in operating status, if encountering air compressor machine failure, nearest parking just may require that, however nearest stop
There may not be the service ability of air compressor machine by putting.In order to facilitate detection, detection device provided by the invention must be small in size, again
Amount is light, easy to carry, while considering the running environment of train, it is necessary to waterproof and dustproof and shockproof.Prior technological difficulties
It is air compressor machine and its drying system due to train there are many form and a variety of brands, needs a large amount of previous research work ability
Find out a kind of suitable detector for detecting all air compressor machines and its drying system.
Specific embodiment according to the present invention, provide it is a kind of it is portable, engineers and technicians can be allowed to take with oneself
The pneumatics machine detecting device of band, to bring a kind of completely new concept for track transportation industry: carrying out periodic maintenance to train
When, it can be to avoid the disassembly of air compressor machine and its processing system, especially on locomotive, since space limits, the disassembly of air compressor machine
An or extremely complex process；When the braking system of vehicle breaks down, in order to exclude or determine air compressor machine or
The problem of remaining air processing system, as long as one dew point transducer and two pressure pass using our 5 temperature sensors
Sensor, can detect most failure, just in case with suspicion to the flow of air compressor machine, we also only need to disconnect air compressor machine and
The interface of main conduit line such as blast main, air compressor machine can be carried out by connecting the flow sensor in detection device of the invention
It has detected, without air compressor machine to be specially sent to the place of profession maintenance.It is equivalent to traditional detection mode, the present invention mentions
The device and method of confession can significantly reduce the maintenance cost of train air compressor machine and its drying system, and greatly improve maintenance effect
The turnover rate of rate and train.
According to all kinds of parameters of air compressor machine and its air dryer systems, equipment is divided into three parts, hand-held computer is main
Cabinet and Sensor box.Portable computer is used for interface and human-computer interaction, and the test software of customization is deposited in laptop computer, it
Pass through with programmable logic controller (PLC) (PLC) limited or wirelessly communicated.Also the result of test is passed through wired or wireless
Mode is transmitted on given server.Mainframe box mainly includes power module, PLC module, input and output I/O module, wirelessly
Module and all kinds of indicator lights.Its main function is to execute customization software, by the collected information of extraneous various kinds of sensors institute
It by conversion, calculates, result judgement, report generation and the man-machine interface for being transmitted to computer.Sensor box is by various kinds of sensors
Including pressure sensor, flow sensor temperature sensor, current transformer etc. is left concentratedly, easy to carry, preservation and management.
On the one hand, the present invention provides a kind of Portable air compressor test devices comprising:
Test host comprising power module, PLC module, entrance end I/O module and wireless communication module；
Sensor box comprising pressure sensor, temperature sensor, dew point transducer, flow sensor, oil level sensing
Device, current transformer, vibrating sensor；And
Hand-held computer, with customization software, be used for interface and human-computer interaction, the computer can and programmable logic
Controller (PLC) is communicated by wired or wireless, can also be transmitted to the result of test by wired or wireless mode
Given server；
Wherein, the main function of the test host is to execute the customization software, will be collected by various kinds of sensors
Information by conversion, calculating, result judgement, report generation and the man-machine interface for being transmitted to the computer.
According to a kind of embodiment, the power module in the test device may include mobile power source element and electricity
Source conversion element.
According to a kind of embodiment, the PLC module in the test device can be according to the finger of the customization software
Order collects the information that the sensor module is passed back and is converted into digital quantity, and carrying out processing to the digital quantity includes carrying out
In addition the result handled well is also directly generated report or is transmitted to the computer so that report is made by the comparison of record and standard value
Table simultaneously stores.
According to a kind of embodiment, the entrance end I/O module in the test device can receive extraneous sensing
The signal of device is simultaneously transferred to the PLC module.
According to a kind of embodiment, the wireless communication module in the test device can help the PLC module
Communication between the computer, and test result is safely transmitted to specified server in time
According to a kind of embodiment, the temperature sensor in the test device includes being respectively used to detection environment temperature
The temperature sensor of degree, compressed air outlet temperature, compressor head temperature.
According to a kind of embodiment, the vibrating sensor in the test device includes being respectively used to detection compressor
Vertical, horizontal and axial vibration amplitude vibrating sensor.
According to a kind of embodiment, the computer in the test device, can be by the finger of user as man-machine interface
Order is assigned to the PLC module and the operation result of the PLC module is also returned to interface.
According to a kind of embodiment, the test host in the test device and Sensor box are provided separately,
To which the sensor in the Sensor box is optionally used cooperatively with the test host.
According to a kind of embodiment, the customization software in the test device is divided into two parts, in which: first part
Be for testing, thus acording to the requirement of user and the different model of air compressor machine establishment corresponding test software detected
And it shows testing result and forms examining report, while according to the air compressor machine of different model and drying system and transmitting sensor
The signal to come over becomes digital quantity and is then compared with standard value, then comparison result is stored in institute according to the requirement of client
It states the storage element of PLC module or is transmitted to specified personnel or server by the wireless communication module；Second part
It is to carry out data base administration, is installed on remote server, air compressor machine is managed in the form of database.
On the other hand, the present invention also provides a kind of test method using the Portable air compressor test device,
Comprising:
(a) test item is selected according to the model and its operation conditions of train and air compressor machine；
(b) start the test device and the detection program using the computer, suitable sensor is selected, for described
Test item is detected；
(c) failure is judged whether there is according to testing result, finds trouble unit, and indicates what needs updated when necessary
Component；
(d) it is directed to different test items, repeat the above steps (b) and (c), so that air compressor machine is completely examined
It surveys；
(e) according to the complete testing result to air compressor machine, air compressor machine fault-free is determined；
(f) examining report is generated, wherein the report can be stored in storage element according to test request, or is transmitted to specified
Server, and be further used for the data base administration to air compressor machine.
In another aspect, the present invention also provides the purposes of the Portable air compressor test device, wherein the test fills
Set the detection of the air compressor machine in the equipment such as train, subway, high-speed rail and electric bus scholar, truck.
The detector has following function:
1. temperature, the present inventor devises three temperature sensors, while detecting environment temperature or inlet temperature, and compression is empty
Gas outlet temperature, the temperature of compressor head.It can be detected by the temperature difference to compressed air delivery outlet temperature and room temperature
Whether the air cooling system in air compressor machine is normal.
2. oil temperature (cylinder surface test): in addition two temperature sensors have also been devised for detecting interior oil in the present inventor
Output and input temperature.Whether oil temperature when by detection operating is normal to judge to operate, and excessively high temperature can make lubricating oil
Failure.
3. flow: collecting the output data of air compressor machine by flowmeter to judge the operational paradigm of air compressor machine and fill wind
Ability.The wind energy power of filling of air compressor machine shows that current test is all using appearance on the time required for braking system abundance wind
The calculation of product formula, it needs a big container to test the space with more than ten square metres, calculates there are also a large amount of, very
Inconvenience, each measurement have required a deflation, and inflation waits and stablizing, then the process calculated, general time-consuming small to 1-2
When, in order to reach fast and accurate testing goal, we use the principle of pitot tube flowmeter, do not have to disassembly air compressor machine, In
The interface of air compressor machine and blast main is opened on train, our flowmeter of series connection access,
(we devise different connectors on flowmeter, to adapt to different calibers), in a few minutes
Obtaining can be with the flow value of air compressor machine, and can be with repeated measurement.
4. pressure value: for pressure sensor, in fixed equipment, the reading of pressure is switched to by pressure sensor
It is shown on table, very big defect is the inconvenience of its verification.And pressure often can be verified and detect in order to reach
The target of power, we must just reequip pressure sensor, and for different test mouths, the pressure for repacking plug-in into is passed
Sensor.For test position, our premise is to try to motionless air compressor machine itself, thus 2 pressures of the present inventor's design alternative
Power test point, one air compressor machine near exit another drying system near exit, air compressor machine outlet test mouth, have
A little air compressor machines are included, and the air compressor machine that Railway Bureau does not test those mouth is adding, and pass through the survey of drying system below
Examination mouth can all carry.The important parameter of the two pressure values inherently air compressor machine, and the difference of the two is also the work of drying system
It feeds back.In addition pressure sensor can also complete performing leak test.Current performing leak test is by coating in each interface
The saponaceous liquid of class simultaneously observes whether generate bubble at the appointed time either for leaching completely after air compressor machine removal motor
Enter in water and detects leakproofness.And the present inventor uses pressure sensor, is tested by pressure maintaining, observes pressure whithin a period of time
Variation, computer will be automatically reminded to whether tester has leakage.It can also be to the pressure value of safety valve using pressure sensor
It is detected.
5. dew point: for air compressor machine, especially field of track traffic, compressed air are the key that braking, compressed air
In if containing excessively high moisture, can be deposited in brake-press lead to causing the decline of braking efficiency, and then injure safety.
The content of moisture in compressed air, which is no more than normal value, to be guaranteed to the detection of air compressor machine dew point.
6. pressure switch: pressure switch is the start and stop of main component its charge air compressor of air compressor machine.With the time,
The start and stop value of pressure switch has drift, this tester is equipped with the test mouth to pressure switch, can test and be opened it at any time
Stop value to be corrected.
7. the Current Voltage of air compressor machine, the voltage of air compressor machine does not have very big variation, but electric current be according to load and
Variation, the offset of the shaft of air compressor machine, lubricating oil lack, and entrance of barrier etc. can all cause the load of air compressor machine to become
Change, by detecting electric current, tester is known that air compressor machine whether normal operation.Connecing for air compressor machine power supply line is torn open in order to reduce
Process, we use newest current-voltage transformer technology, only the button of mutual inductor need to be buckled on cable；It is avoided
By test equipment serial or parallel connection in power supply, reduce test risk (working voltage of air compressor machine is 380VAC), reduces electricity
The failure of source wiring.
8. vibration, the present inventor devises three vibrating sensors, can detect hanging down for compressor or blower simultaneously in this way
Directly, horizontal and axial Oscillation Amplitude, while it also meets the test of the air compressor machine for Ke Nuoer, because of the pneumatics of Ke Nuoer
Machine has had two test points in design.
9. the detection of oil content can contain lubricating oil by the compressed air that air compressor machine comes out.These lubricating oil will affect
The quality of compressed air, so guaranteeing the quality of delivery air in compressor equipped with Oil-gas Separation filter.By to sky
The detection of oil content can retrodict out the quality of the gs-oil separator in air compressor machine in gas.
10. realize the with no paper of maintenance record, all information include the date of maintenance, operating staff, maintenance process and
As a result it is all saved by computer.
11. the big data management of air compressor machine.
Detailed description of the invention
Fig. 1 is a kind of description system frame of the Portable air compressor test device of specific embodiment according to the present invention
Figure.
Fig. 2 is a kind of a kind of description work of the Portable air compressor test device of specific embodiment according to the present invention
Scheme schematic diagram.
Fig. 3 is a kind of description program structure of the Portable air compressor test device of specific embodiment according to the present invention
Figure.
Fig. 4 is a kind of description program structure of the Portable air compressor test device of specific embodiment according to the present invention
The structure chart of troubleshooting module in figure.
Fig. 5 is a kind of description program structure of the Portable air compressor test device of specific embodiment according to the present invention
Structure chart of the second part of figure in relation to data base administration.
Specific embodiment
In order to make technical solution of the present invention, character of innovation, reach purpose and effect is easy to understand, below with reference to tool
Body illustrates and passes through following specific embodiments the invention will be further elaborated.
A kind of specific embodiment according to the present invention, as shown in Figure 1, Portable air compressor test device packet of the invention
Include following module:
1. power module, it includes two parts, and a part is mobile power source by battery composition, can according to the difference of the application and
It chooses whether to be equipped with, another part is the conversion of power supply, and external 220V alternating current is converted into PLC with other such as wireless mould
The power supplys such as 24V or 12V required for block or 36V, while being responsible for powering to all external sensors.
2.PLC module: PLC module is to customize the executor of software.According to its collecting sensor module institute of the instruction of software
The information passed back simultaneously converts them to digital quantity, followed by includes the ratio of record and standard value to the processing of these digital quantities
Compared with third is that the result that will be handled well directly generates report or is transmitted to computer, all kinds of reports are made of computer and store.
It can design or purchase matured product ready-made in the market itself, as long as producing required for can satisfy automation control
Product, in this project of the invention, using the controller of WAGO.
3. entrance end I/O module, these ports I/O include digital signal and analog signal.The function of this part is to connect
It receives the signal of extraneous various kinds of sensors and transfers the signals to PLC, so the selection of these modules is with PLC
Match.Mutual inductor wherein is used about the test to electric current, invention increases breakers first of all for safety is guaranteed, secondly exist
Current value on air compressor machine is ampere grade, so the present inventor has and increases conversion module and be converted into the magnitude of current of ampere grade
Milliampere grade can receive so as to the end I/O.
4. wireless communication module: the effect of this module is to help the communication between PLC and computer first.Followed by it is
By test result, safety is transmitted to specified server in time.
5. sensor module: it includes pressure sensor, temperature sensor, dew point transducer, flow sensor, oil level biography
Sensor, vibrating sensor etc., its effect are the extraneous various information such as temperature of acquisition, pressure etc., and by these information
PLC. these sensors are sent to connect by fast interface and input/output module.It in design, can be by these module collection
In be placed on another suitcase, take out the access of corresponding sensor when in use just.Or it also can integrate in mainframe box
In.In addition current transformer, other external equipments such as detection tabs of pressure switch are also placed in this module by the present inventor.
6. operation and arithmetic core that customization software is this system.It is divided into two parts, and first part is for testing, its root
According to the corresponding test software of the different model establishment of the requirement and air compressor machine of user, operating staff is according to software prompt by step
Detection is completed, finally shows testing result, examining report can achieve automatically.It will according to the air compressor machine of different model and drying system
As input, the signal that sensor is sent becomes digital quantity and is compared with standard value their standard value.Then
It by comparison result according to the requirement of client, or is stored in the storage module of PLC, or is transmitted to by wireless module specified
Personnel or server on.Second part is data base administration, is installed on remote server, to pneumatics in the form of database
Machine is managed.
7. computer: the main function of computer is man-machine interface, the instruction issuing of people also can will to PLC by computer
The result of PLC operation returns to interface, including last test report.
A kind of specific embodiment according to the present invention, a kind of programme of work of Portable air compressor test device of the present invention
As shown in Figure 2.
In scheme shown in Fig. 2, the present inventor selects to have used CODESYS as programming language.PLC the present inventor selection
WAGO's, mainframe box external 220V power supply is converted into 24V direct current by power supply and supplies electricity to PLC power supply, and sensor is all concentrated on and passed
Sensor case takes out when in use and is connected in the I/O module of mainframe box by fast interface.The good software of PLC executive editor,
Or acquisition sensor information or operation are relatively and by the human-computer interface module of result loopback computer.The connection of computer and PLC can be with
By being wiredly connected to the interface of mainframe box or being connected by the wireless module built in mainframe box.
A kind of specific embodiment according to the present invention, a kind of software program of Portable air compressor test device of the present invention
Structure chart is as shown in Figure 3 and Figure 4, in which:
201 are selected either automatically or manually test item according to fault message；
202 execute the dependence test project of debugging；
203 empirically data and test results, intelligent positioning malfunctioning module；
The processing step of 204 prompt replacement malfunctioning modules；
205 re-execute the complete detection process of air compressor machine；
206 automatically generate examining report (positioning, method for removing comprising failure, final complete survey of troubleshooting
Examination).
To describe a kind of program structure diagram of the Portable air compressor test device of specific embodiment according to the present invention
Structure chart of the second part in relation to data base administration it is as shown in Figure 5, in which:
301 equipment automatically save the module of data, save the preservation of picture, the preservation of test result, the preservation of tendency chart
Deng test information；
The 302 additional information for needing to be manually entered, such as the number of train, air compressor machine model, tester's number etc.；
303 local data bases, temporarily store test data, include that power down automatically saves, and automatically generate the functions such as report；
Data are uploaded to database in such a way that ssl is encrypted by 304 data uploading modules；
305 network modules, including but not limited to by 4G, the network communication modules such as wifi；
306 big data management modules；
307 remote data base MySQL, the customized warning message of automatic push；
308 artificial intelligence study modules；
309 air compressor machine maintenance managements；
310 spare parts managements；
311 handheld device retrieval modules, IOS or Andriod system mobile phone are retrieved detection information, are pushed away with receiving
It send；
312 webpage terminal retrieval modules, the equipment such as computer or notebook retrieve detection information, and receive push,
313 other terminal modules；
314 data to be pushed, encryption are pushed to terminal user；
The different classes of data of 315 propelling datas are to administrative staff, service personnel, procurement manager etc..
The feature of product of the present invention includes:
1. tester is the portable detection device for air compressor machine.It is integrated with the newest sensor technology in the world
And PLC technology, small in size, light-weight, the shockproof requirement for meeting railway systems of water proof and dust proof.Combine the spy of track transportation industry
Different situation, this tester in the detection process, in addition to needing flowmeter being connected serially to air compressor machine and drying system in special circumstances
Between, do not need to carry out any dismantling to air compressor machine and/or its drying system, ensure that greatest extent air compressor machine and/or
The integrality of drying system and original-pack property, to ensure that the not examined influence of its performance.This also greatly extends this survey
The range for trying instrument user, reduces into threshold trip: in field of track traffic, the inactive air compressor system of non-entitled party, because
Braking and traffic safety have been related to it for it.
2. tester is integrated with sensor required for the main project of pneumatics machine testing or equipment, so that operator
It can disposably solve the problems, such as that all air compressor machines are related.According to the maintenance requirement of air compressor machine on air compressor machine especially train, adopt
The specified data of collection record data and judge the quality of air compressor machine by the comparison with correct data, it not only can be with
Normal service for air compressor machine can be used for the troubleshooting of air compressor machine.
3. detector is for detecting to all air compressor machines, so the selection of sensor, sensor number
The selection of amount and the selection for detecting position are the very important features that this product is different from fixed test equipment.It is invention
People have passed through Depth Study and a large amount of experiment certification to various types of air compressor machine and its layout, repeatedly optimize, having reached can
With the target for facilitating detection to all air compressor machines.For example temperature sensor has contact and contactless, resistance-type galvanic couple formula
Etc., theoretically contact tehermometer is the most reliable, the air compressor machine being disassembled can be used, but there is also detect not side
Just the phenomenon that, needs to open air compressor machine, is put into sensor, finds specific closed interface etc., and contactless thermometer
Due to the difference habit of user, the difference of the difference of test point, measuring distance can all generate deviation.By to different air compressor machines
Research, test point is selected in the outer diameter of input and output tracheae by we, selects contact metal sensor to be bundled in input defeated
It on tracheae outer diameter out, is verified using the mass data in laboratory, obtaining the temperature difference of gas temperature and caliber outer wall in pipe is 3
Degree.Our temperature sensor can very easily measure all air compressor machines in this way, while in turn ensure measurement
The accuracy of data.
4. due to this equipment have various sensors, and power supply required for sensor have it is inconsistent, so this tester
Another important feature be the power supplys of all the sensors provided by mainframe box, as long as sensor is passed through standard interface
Effective power supply can be obtained by being linked into mainframe box.
5. the quantity selection of the sensor of equipment and sequence are also that have passed through the conclusion obtained after a large amount of research.Input
The temperature of gas outlet tube has been related to tracheae cooling system, and the input and output of oil temperature show oil circuit cooling system, head temperature
The even more indirect monitoring oil temperature of high pressure conditions, to monitor the quality of machine oil.Pressure sensor shows the defeated of air compressor machine
Pressure out, inherently air compressor machine a important parameter, and leakproofness can also be detected, dew point transducer is even more to react
The working condition of drying system.5 temperature sensors, two pressure sensors, air compressor output pressure sensor and through overdrying
Pressure sensor after drying system, a dew point transducer add flow sensor, it is already possible to solve air compressor system
Most of failures.Further detection can add shock sensor, and the particle in current-voltage transformer and air passes
Sensor completes the complete detection to air compressor machine.
6. tester is linear and non-dots to the data acquisition of institute's test object.Such as to the pressure value of output and
Temperature value, current test mode be handheld device, thus obtain the result is that some time point, and this tester is detection
Some period, such as all changes of the pressure value from 0KPA to 100KPA.Some is equally had recorded to the test of operating current
All data of period, such tester have found those sporadic failures with regard to personnel.
7. the test program and testing procedure of tester standardize, convenient and simple, operator only needs according to computer
Prompt operation, ensure that the accuracy of data collected, next reduces the qualification threshold of maintenance personal first.Simultaneously
Due to being mounted with wireless transport module, enable the professional of maintenance general headquarters timely see maintenance content and as a result,
When an error occurs, the personnel transfer that site operation personnel can be more professional with general headquarters at any time is with judging result.
8. expansible and compatible.The software and hardware that the design of this tester uses considers compatibility, to PLC
Selection can have Siemens and its STEP software or FESTO and CODESYS software.Product supply is ensured that in this way
Reliability.Extra input is remained in I/O module, so that new survey can be directly accessed when there is new demand in the future
Try equipment or new sensor.For example all noise is not detected in each class testing at present, and in actual operation, superelevation
Noise is exactly the problematic performance of air compressor machine running.
9. the design of tester separates sensor and test box, required for experienced operator can be allowed to select
Sensor goes to scene, to keep equipment lighter.
The advantage that the present invention mentions product includes:
1. portable, can band anywhere any air compressor machine is overhauled.It is mainly shown as in field of track traffic
It avoids dismantling air compressor machine from train in first middle rank maintenance, as long as the gas outlet of air compressor machine to be connected to sensing of the invention
Device selects different sensors, can completely be examined to air compressor machine.It is advanced repair must dismantle air compressor machine when,
At the scene the air compressor machine for more finishing changing components can detect avoiding air compressor machine back to system shop, because at present only
Have and just has the to maintain equipment of fixed air compressor machine in air compressor machine manufacturer and big servicing center.When braking system faults,
In order to exclude the likelihood of failure of air compressor machine, it can only listen by experienced engineer to scene apparently determine at present.And it provides
Portable tester of the invention can carry out the completely inspection by national standard or Railway Bureau's standard to air compressor machine at the scene, from
And determine the failure or fault-free of air compressor machine, it avoids intact air compressor machine being sent to genuine or overhaul base.
2. reducing maintenance cost.Air compressor machine dismantled from train time-consuming and laborious, also adds the down time of train, by
Genuine or the centralized maintenance of overhaul base are expensive first, secondly time-consuming.It is required that having more air compressor machines to keep turnover rate.
3. due to can site examining and repairing, accelerate air compressor machine even train turnover rate.
4. the standardization of air compressor machine overhaul procedure, report it is with no paper, all data sources are in sensor, directly by computer
Record, the accuracy for improving data also avoid missing inspection and artificial reading, the error rate of hand-kept.Scheme in test process
The prompt of picture and text is so that test simplification, reduces the technical threshold of pneumatics machine overhauling employee.
5. providing a kind of portable Accreditation Tool for client, the responsibility between supplier and client is cleared.
6. one grade of a machine, customize report produced by software be actually for air compressor machine and its drying system provide it is a with
Body archives, improve managerial ability.At present in railway systems, in order to provide train turnover rate, air compressor machine is unit replacement, assembly
Replacement refers to the air compressor machine integral demounting on train and hands to supplier, and supplier provides the whole pneumatics safeguarded
Machine and drying system, these systems may be old fault-free or had failure then to repair, it is also possible to new, because
It is the process of assembly exchange, only one process dismantled and reinstalled improves train turnover rate really, but produces
Raw defect is the past history that train never knows that its air compressor machine, if had failure, to cause a hidden trouble to safety.
7. the second part of customization software is the foundation and management of air compressor machine database, it is different from enterprise, to air compressor machine
Using being several or tens, air compressor machine is mounted in track transportation industry, each car, only the sky of Chinese Railway parent company
Press ownership is just more than 100,000, and the service life of these air compressor machines reaches even 30 years 20 years, so to these pneumatics
The archives of establishing respectively of machine are managed that it is very important.Customization software of the invention is by each air compressor machine and its operation
State is input to database in a wired or wireless manner, further sets up archives for them, forms a rail traffic sky
The database of press can be managed in the future using the concept of big data, than such as whether the air compressor machine of certain model is more effective,
Failure rate is lower, and if the air compressor machine of certain model has flaw, can claim damages etc..
Above specific embodiment be for being further described and demonstrated to technical solution of the present invention, not be used to pair
The scope of the present invention is limited.The equivalent knot that those skilled in the art applies specification and claim of the invention to be done
The variation of structure or step, all belongs to the scope of protection of the present invention.
Claims (13)
1. a kind of Portable air compressor test device comprising:
Test host comprising power module, PLC module, entrance end I/O module and wireless communication module；
Sensor box comprising pressure sensor, temperature sensor, dew point transducer, flow sensor, fuel level sensor, electricity
Current transformer, vibrating sensor；And
Hand-held computer, with customization software, be used for interface and human-computer interaction, the computer can and Programmable logical controller
Device (PLC) is communicated by wired or wireless, can also be transmitted to the result of test by wired or wireless mode specified
Server；
Wherein, the main function of the test host is to execute the customization software, will be by the collected letter of various kinds of sensors institute
Breath is by conversion, calculating, result judgement, report generation and the man-machine interface for being transmitted to the computer；
The test device can be used to carry out air compressor machine in the case where not disassembling air compressor machine from train complete
Detection.
2. the apparatus according to claim 1, wherein the power module includes mobile power source element and power conversion elements.
3. the apparatus according to claim 1, wherein the PLC module can be according to the instruction acquisition institute of the customization software
It states the information that sensor module is passed back and is converted into digital quantity, and carrying out processing to the digital quantity includes being recorded and being marked
In addition the result handled well is also directly generated report or is transmitted to the computer so that report is made and deposits by the comparison of quasi- value
Storage.
4. the apparatus according to claim 1, wherein required by the entrance end I/O module can provide it for sensor
Various working powers and receive the signal of extraneous sensor and be transferred to the PLC module.
5. the apparatus according to claim 1, wherein the wireless communication module can help the PLC module and the electricity
Communication between brain, and test result is safely transmitted to specified server in time.
6. the apparatus according to claim 1, wherein the temperature sensor includes being respectively used to detection environment temperature, compression
Air exit temp, the temperature sensor of compressor head temperature, interior oil input temp sensor, interior oil output temperature pass
Sensor；
Wherein, all these temperature sensors all do not need opening air compressor machine or touch the gas or oil of the inside of air compressor machine, from
And guarantee the convenience of test and the safety of air compressor machine；In addition, the current transformer, equally adheres to and facilitates detection and guarantee
The principle of train safety, does not need to disconnect power supply, it is only necessary to which the cable containing insulating layer is put into the button of mutual inductor, so that it may
Obtain the working condition of three phase mains；
The flow sensor is using Pitot tube principle, in the case where dismantling air compressor machine not from train, by external
The output of air compressor machine is linked into the input of flow sensor by mode, so that it may obtain the flow value of air compressor machine, the pressure passes
The test position of sensor and dew point transducer is capable of the standard parameter of exact reaction air compressor machine and can be helped to air compressor machine
Fault diagnosis.
7. the apparatus according to claim 1, wherein the vibrating sensor include be respectively used to detection compressor it is vertical,
Horizontal and axial vibration amplitude vibrating sensor.
8. the apparatus according to claim 1, wherein the computer can give the instruction issuing of user as man-machine interface
The operation result of the PLC module is also returned to interface by the PLC module.
9. the apparatus according to claim 1, wherein the test host and Sensor box are provided separately, thus described
Sensor in Sensor box is optionally used cooperatively with the test host.
10. the apparatus according to claim 1, wherein the customization software is divided into two parts, in which: first part is to be used for
Test, thus acording to the requirement of user and the different model of air compressor machine establishment corresponding test software detected and shown
Testing result simultaneously forms examining report, while being sent according to the air compressor machine of different model and drying system and by sensor
Signal becomes digital quantity and is then compared with standard value, then comparison result is stored in the PLC according to the requirement of client
The storage element of module is transmitted to specified personnel or server by the wireless communication module；Second part is to carry out
Data base administration is installed on remote server, is managed in the form of database to air compressor machine.
11. a kind of test method using any one of the claim 1-10 Portable air compressor test device comprising:
(a) test item is selected according to the model and its operation conditions of vehicle and air compressor machine；
(b) start the test device and the detection program using the computer, suitable sensor is selected, for the test
Project is detected；
(c) failure is judged whether there is according to testing result, finds trouble unit, and instruction needs the portion updated when necessary
Part；
(d) it is directed to different test items, repeat the above steps (b) and (c), so that air compressor machine is completely detected；
(e) according to the complete testing result to air compressor machine, air compressor machine fault-free is determined；
(f) examining report is generated, wherein the report can be stored in storage element according to test request, or is transmitted to specified clothes
Business device, and it is further used for the data base administration to air compressor machine.
12. a kind of purposes of Portable air compressor test device, wherein any one of claim 1-10 Portable air compressor
Detection of the test device for air compressor machine on vehicle.
13. purposes described in claim 12, wherein the vehicle is to be made using compressed air caused by air compressor machine
Dynamic train, subway, high-speed rail and electric bus scholar, truck.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2018110282619 | 2018-09-04 | ||
| CN201811028261.9A CN109268248A (en) | 2018-09-04 | 2018-09-04 | Portable air compressor test device and method |
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| CN110425126B CN110425126B (en) | 2021-04-06 |
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| CN201811028261.9A Withdrawn CN109268248A (en) | 2018-09-04 | 2018-09-04 | Portable air compressor test device and method |
| CN201910823620.8A Active CN110425126B (en) | 2018-09-04 | 2019-09-02 | Portable air compressor testing device and testing method and application thereof |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811028261.9A Withdrawn CN109268248A (en) | 2018-09-04 | 2018-09-04 | Portable air compressor test device and method |
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| CN112326937A (en) * | 2020-11-04 | 2021-02-05 | 衢州学院 | Oil gas detection device of low-carbon screw air compressor |
| CN113933001A (en) * | 2020-06-29 | 2022-01-14 | 广州地铁集团有限公司 | Main air duct pressure leakage evaluation method and device based on big data and electronic equipment |
| CN114112447A (en) * | 2021-11-24 | 2022-03-01 | 中车大连机车车辆有限公司 | Method for testing functions of locomotive before departure |
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| CN114112447B (en) * | 2021-11-24 | 2024-05-28 | 中车大连机车车辆有限公司 | Locomotive departure front function test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110425126B (en) | 2021-04-06 |
| CN109268248A (en) | 2019-01-25 |
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