CN103217300A - Test system - Google Patents
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- CN103217300A CN103217300A CN2013101153531A CN201310115353A CN103217300A CN 103217300 A CN103217300 A CN 103217300A CN 2013101153531 A CN2013101153531 A CN 2013101153531A CN 201310115353 A CN201310115353 A CN 201310115353A CN 103217300 A CN103217300 A CN 103217300A
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Abstract
The invention discloses a test system, comprising a data acquisition unit, an adjustable air pressure supply unit and a test control unit, wherein the test control unit comprises a first valve terminal module, an intelligent terminal and customized software, the first valve terminal module is connected with the intelligent terminal and provides a hardware running environment for the customized software, and the customized software is used for setting preset parameter values and test process of a pneumatic brake system; the adjustable air pressure supply unit supplies gas with a preset pressure value to brake control units; the data acquisition unit comprises a power module and one or more than one data acquisition sensor, the power module is used for supplying power source with a preset voltage value to the first valve terminal module, and the data acquisition sensor is used for detecting corresponding original detection data of the corresponding brake control unit; the first valve terminal module generates actual parameter values by processing the original detection data; the customized software compares the actual parameter values with the corresponding preset parameter values to obtain a judgment result, and transmits the judgment result to the intelligent terminal.
Description
Technical field
The present invention relates to the aerodynamic brake technical field, particularly a kind of test macro that is used for the aerodynamic brake unit of locomotive.
Background technology
The aerodynamic brake equipment of existing train, subway, light rail and electric motor coach etc. is mainly derived from limited several suppliers, such as the FAIVELEY of France, and the Akebono of the KNORR of Germany and Japan, their equipment has technical parameter separately.
At present, when the aerodynamic brake equipment to these locomotives carries out time-based maintenance maintenance and trouble hunting, need test one by one the aerodynamic brake equipment of locomotive.Usually, the aerodynamic brake equipment of locomotive comprises tens and even a twenty or thirty brake control module, and the time of testing a brake control module was generally 2 to 3 hours, and the time of testing whole locomotive may need 2 to 3 days.The test maintaining need of work lot of manpower and material resources of present mechanism of qi brake appts, equipment is very simple and crude, does not also have the data of quantification simultaneously, far can not satisfy the present demand to safety, has also reduced the turnover of locomotive simultaneously.
Therefore, providing a kind of quick, effective test maintaining instrument that is used for aerodynamic brake equipment, is the present technical issues that need to address of those skilled in the art.
Summary of the invention
Purpose of the present invention aims to provide a kind of test macro that is used for the pneumatic braking system of locomotive, can either test a brake control module or its certain function separately, also can test different aerodynamic brakes unit simultaneously, the various states of brake part when simulating locomotive operation in immediate mode, thereby can either save the required manpower and materials of test, also can improve the security performance of locomotive, accelerate the turnover of locomotive.
For solving the problems of the technologies described above, the invention provides a kind of test macro, be used to test the pneumatic braking system that comprises one or more brake control modules, described test macro comprises: data acquisition unit, gas-pressure adjustable feed unit and unit of testing and controlling, described data acquisition unit and described gas-pressure adjustable feed unit all connect with described unit of testing and controlling; Described unit of testing and controlling comprises the first valve island module, intelligent terminal and custom-made software, described intelligent terminal is used to provide man-machine interface, the described first valve island module is connected in described intelligent terminal, for described custom-made software provides hardware running environment, described custom-made software is used to set the preset parameter value and the test process of described pneumatic braking system; Described gas-pressure adjustable feed unit provides the gas of scheduled pressure value to described brake control module according to the instruction of described unit of testing and controlling; Described data acquisition unit comprises power module and one or more data sampling sensors, described power module, described data sampling sensor all connect with the described first valve island module, described power module is used for providing to the described first valve island module power supply of scheduled voltage, described data sampling sensor is surveyed the corresponding original detection data of corresponding described brake control module, and sends described original detection data to the described first valve island module; The described first valve island module forms actual parameter value after treatment with described original detection data, and sends described actual parameter value to described custom-made software; Described custom-made software compares and draws judged result with described actual parameter value and corresponding described preset parameter value, and described judged result is sent to described intelligent terminal.
Preferably, described brake control module is provided with solenoid valve, correspondingly described data acquisition unit is provided with relay, described power module is divided into first transition zone and second transition zone, described relay one end is connected with described second transition zone, the other end is connected with the described first valve island module, the switch of the described relay of the described first valve island module controls, described first transition zone provide the power supply of described scheduled voltage to the described first valve island module.
Preferably, described scheduled voltage is 24 volts of direct currents.
Preferably, the operating voltage of described solenoid valve is 110 volts of direct currents or 72 volts.
Preferably, described data acquisition unit is provided with correction module, and described correction module is used to proofread and correct the standard value of each described data sampling sensor.
Preferably, described correction module comprises standard transducer, and each described data sampling sensor all connects with described standard transducer, and the precision of described standard transducer is higher than the precision of described data sampling sensor.
Preferably, described data acquisition unit is provided with first proportioning valve, and the gas of described scheduled pressure value is provided to described data sampling sensor and described standard transducer by described first proportioning valve by described external air pressure.
Preferably, the number of described data sampling sensor is 6.
Preferably, described scheduled pressure value is the numerical value that changes within the specific limits.
Preferably, described scheduled pressure value is a fixed value.
Preferably, described unit of testing and controlling, described data acquisition unit and described air pressure feed unit are by CANOpen bus coupled in series.
Preferably, described preset parameter value comprises the inflation and the deflation time of cylinder, gas-holder, tracheae and/or auxiliary gas tank in the described pneumatic braking system.
Preferably, described preset parameter value comprises the total head value and the half pressure value of cylinder in the described pneumatic braking system.
Preferably, described preset parameter value comprises declutching of checking cylinder in the described pneumatic braking system and band-type brake time.
Preferably, described preset parameter value comprises the seal parameters of cylinder in the described pneumatic braking system, gas-holder, tracheae and/or auxiliary gas tank and various pressure valve.
Preferably, described preset parameter value comprise the operation valve of mechanical braking in the described pneumatic braking system and whole locomotive pressure valve startup and close parameter.
Preferably, described custom-made software is the software processing system by the establishment of CoDeSys language.
Preferably, described intelligent terminal is a wired connection with connecting of the described first valve island module.
Preferably, described wired connection is that track connects.
Preferably, described intelligent terminal is wireless connections with connecting of the described first valve island module.
Preferably, also comprise one or an above data acquisition expanding element, described data acquisition expanding element comprises input and output valve island and one or more data acquisition extension sensors, and described data acquisition extension sensor is used to survey the corresponding described original detection data of corresponding described brake control module and is sent to the described first valve island module by described input and output valve island.
Preferably, the number of described data acquisition extension sensor is 1-6.
Preferably, described data acquisition expanding element is a wired connection with connecting of described unit of testing and controlling.
Preferably, described wired connection is that track connects.
Preferably, described data acquisition expanding element is wireless connections with connecting of described unit of testing and controlling.
Preferably, described gas-pressure adjustable feed unit comprises the pressure gas service tank and second proportioning valve, described pressure gas service tank is provided with the air intake opening that is communicated with external source of the gas, and be connected with the gas input port of described brake control module by described second proportioning valve, described second proportioning valve is connected in described unit of testing and controlling by the second valve island module.
Preferably, described first proportioning valve and described second proportioning valve are wholely set.
Preferably, described gas-pressure adjustable feed unit also comprises filtrator, and described filtrator is arranged at described air intake opening.
Preferably, described gas-pressure adjustable feed unit also comprises the second valve island module, and an end of the described second valve island module connects with described unit of testing and controlling, the other end connects with described second proportioning valve.
Preferably, described second valve island module and the described first valve island module are wholely set.
Preferably, described gas-pressure adjustable feed unit also is provided with seal valve.
Test macro provided by the invention can be tested different aerodynamic brakes unit simultaneously, thereby can either save the required manpower and materials of test, also can accelerate the turnover of locomotive simultaneously.
Description of drawings
Fig. 1 is the circuit gas circuit principle synoptic diagram of a kind of embodiment of test macro provided by the invention;
Fig. 2 is the principle schematic of data acquisition unit in a kind of embodiment of test macro provided by the invention;
Fig. 3 is the principle schematic of gas-pressure adjustable feed unit in a kind of embodiment of test macro provided by the invention;
Fig. 4 is the principle schematic of data expanding element in a kind of embodiment of test macro provided by the invention;
Fig. 5 is for being in the test philosophy synoptic diagram of the state of quitting work at locomotive in a kind of embodiment of test macro provided by the invention;
Fig. 6 is for being in the integration testing philosophy synoptic diagram of electriferous state at locomotive in a kind of embodiment of test macro provided by the invention.
Each Reference numeral refers to respectively with lower member among the figure:
The 1-data acquisition unit, 11-power module, 111-first transition zone, 112-second transition zone, 13-data sampling sensor, 14-relay, 15-correction module, 151-standard transducer, 16-first proportioning valve; 2-gas-pressure adjustable feed unit, 21-pressure gas service tank, 22-second proportioning valve, 23 second valve island modules, 24-seal valve; The 31-first valve island module, the 32-intelligent terminal; The 4-solenoid valve; 5-data acquisition expanding element, 51-input and output valve island, 52-data acquisition extension sensor.
Embodiment
Core of the present invention can be carried out fast the pneumatic braking system of locomotive, tested effectively for a kind of test macro is provided, thereby can either save the required manpower and materials of test, also can accelerate the turnover of locomotive simultaneously.
In order to make those skilled in the art understand technical scheme of the present invention better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1, Fig. 2 and Fig. 3, Fig. 1 is the circuit gas circuit principle synoptic diagram of a kind of embodiment of test macro provided by the invention; Fig. 2 is the principle schematic of data acquisition unit in a kind of embodiment of test macro provided by the invention; Fig. 3 is the principle schematic of gas-pressure adjustable feed unit in a kind of embodiment of test macro provided by the invention.
In a kind of embodiment, test macro provided by the invention, be used to test the pneumatic braking system that comprises one or more brake control modules, test macro comprises: data acquisition unit 1, gas-pressure adjustable feed unit 2 and unit of testing and controlling, and data acquisition unit 1 and gas-pressure adjustable feed unit 2 all connect with unit of testing and controlling; Unit of testing and controlling comprises the first valve island module 31, intelligent terminal 32 and custom-made software, intelligent terminal 32 is used to provide man-machine interface, the first valve island module 31 is connected in intelligent terminal 32, for custom-made software provides hardware running environment, custom-made software is used to set the preset parameter value and the test process of pneumatic braking system; Gas-pressure adjustable feed unit 2 provides the gas of scheduled pressure value to the brake control module according to the instruction of unit of testing and controlling; Data acquisition unit 1 comprises power module 11 and one or more data sampling sensors 13, power module 11, data sampling sensor 13 all connect with the first valve island module 31, power module 11 is used for providing to the first valve island module 31 power supply of scheduled voltage, data sampling sensor 13 is surveyed the corresponding original detection data of corresponding brake control module, and sends original detection data to first valve island module 31; The first valve island module 31 forms actual parameter value after treatment with original detection data, and sends actual parameter value to custom-made software; Custom-made software compares and draws judged result with actual parameter value and corresponding preset parameter value, and judged result is sent to intelligent terminal 32.
The connection of this test macro can realize by wired or wireless, such as WIFI, and bluetooth, 3G/4G, wire harness or realize by rail.Test macro is realized by wired RS232 interface in a kind of specific embodiment.In embodiment, intelligent terminal can comprise: fixing computer, removable computer, smart mobile phone, various panel computers etc.
In a kind of specific embodiment, the brake control module is provided with solenoid valve, correspondingly data acquisition unit 1 is provided with relay 14, power module 11 is divided into first transition zone 111 and second transition zone 112, relay 14 1 ends are connected with second transition zone 112, the other end is connected with the first valve island module 31, the switch of first valve island module 31 pilot relays 14, first transition zone 111 provide the power supply of scheduled voltage to the first valve island module 31.
With reference to figure 2, data acquisition unit 1 comprises an automatic checkout system, it carries out verification by first proportioning valve 16 by 151 pairs of data pick-up transducers of standard transducer 13 of high standard, high precision, realizes the synchronous of each data sampling sensor 13 and standard transducer 151.Such as, be dependent on the testing standard atmospheric pressure value of standard transducer 151, implement adjusting by first proportioning valve 16 to data pick-up transducers 13 air pressure, thus to all data sampling sensors 13 promptly carry out low pressure synchronously, also can realize high pressure synchronously.
In a kind of specific embodiment, data acquisition unit 1 is provided with correction module, and correction module is used to proofread and correct the standard value of each data sampling sensor 13.In a kind of specific embodiment, correction module comprises standard transducer 151, and each data sampling sensor 13 all connects with standard transducer 151, and the precision of standard transducer 151 is higher than the precision of data sampling sensor 13.In a kind of specific embodiment, data acquisition unit 1 is provided with first proportioning valve 16, and the gas of scheduled pressure value is provided to data sampling sensor 13 and standard transducer 151 by first proportioning valve 16 by external air pressure.
In a kind of specific embodiment, data acquisition unit 1 comprises power module 11, this power module 11 is converted to the used power supply of locomotive solenoid valve with external power supply, such as 110 volts or 72 volts of direct currents, link to each other with valve island module by a relay 14 then, thereby control the running of one or more solenoid valves.In a kind of preferred specific embodiment, adopt the 110V direct supply.
In a kind of specific embodiment, correction module comprises a high precision standard sensor 151 and 6 data pick-up transducers 13, purpose is data that 6 data pick-up transducers 13 are read and the testing standard value synchronised on the locomotive, the correction module and first proportioning valve 16 are worked simultaneously, at first 6 data pick-up transducers 13 are received the correction interface on the data acquisition unit 1, then (for example: computer by control module, panel computer, smart mobile phone etc.) provide a air pressure less than 1BAR, such as 0.5BAR, by first proportioning valve 16 input air pressure is adjusted to 0.5BAR and outputed to correction module, what the data sampling sensor 13 of high precision standard transducer 151 and 6 general precisions was touched so in theory is same air pressure, the atmospheric pressure value that they detect should be consistent, according to this reason, we can be synchronous on low pressure with these data sampling sensors 13, repeat this step, provide a air pressure again by electric control unit, make these data sampling sensors 13 also synchronous on high pressure greater than 4BAR.Synchronously, data sampling sensor 13 can be received on the aerodynamic brake unit to be measured, be tested.
Gas-pressure adjustable feed unit 2 provides the gas of scheduled pressure value to the brake control module by external source of the gas according to the instruction of the first valve island module 31.In a kind of specific embodiment, scheduled pressure value is the numerical value that changes within the specific limits.In a kind of specific embodiment, scheduled pressure value is a fixed value.
With reference to figure 3, in a kind of specific embodiment, preferably, gas-pressure adjustable feed unit 2 comprises the pressure gas service tank 21 and second proportioning valve 22, pressure gas service tank 21 is provided with the air intake opening that is communicated with external source of the gas, and be connected by the gas input port of second proportioning valve 22 with the control module that brakes, second proportioning valve 22 is connected in unit of testing and controlling by the second valve island module.Gas-pressure adjustable feed unit 2 is generally the pressure gas of 8-10 crust by external source of the gas, then exports different air pressure to the aerodynamic brake unit by second proportioning valve 22.Can form the rising or the decline of pressure gas service tank 21 air pressure within a certain period of time, thereby satisfy various test requests.In a kind of specific embodiment, the action of second proportioning valve 22 is controlled realization by unit of testing and controlling.
In a kind of preferred specific embodiment, first proportioning valve 16 can be wholely set with described second proportioning valve 22.
Preferably, in order to guarantee the life-span of proportioning valve in data acquisition unit 1 and the gas-pressure adjustable feed unit 2, in these two unit, all can add air strainer, feasible all process filtrations of gas through proportioning valve, if local source of the gas is very clean, the grit diameter can not need filtrator less than 5u.In a kind of specific embodiment, filtrator is arranged at air intake opening.
In a kind of specific embodiment, gas-pressure adjustable feed unit 2 comprises that also an end of the second valve island module, 23, the second valve island modules 23 connects with unit of testing and controlling, the other end connects with second proportioning valve 22.
In a kind of specific embodiment, the second valve island module 23 can be wholely set with the first valve island module 31.In another kind of specific embodiment, gas-pressure adjustable feed unit 2 also is provided with seal valve.
In a kind of specific embodiment, gas-pressure adjustable feed unit 2 comprises filtrator, seal valve, proportioning valve and valve island module.It can and be an one with data acquisition unit 1, also can the split setting.Gas-pressure adjustable feed unit 2 and data acquisition unit 1 are worked together.Its principle of work is that the pressure gas with the external world is generally 8-10BAR and receives pressure gas service tank 21, at first filter by filtrator, thereby avoid impurity to enter the serviceable life that second proportioning valve 22 influences second proportioning valve 22, export the pressure gas of specified pressure to the aerodynamic brake unit through second proportioning valve 22 then.Its specified pressure is to be delivered to the valve island module of gas-pressure adjustable feed unit 2, the pressure that is needed by 22 outputs of valve island module controls second proportioning valve then after the first valve island module 31 is handled by the instruction that unit of testing and controlling is assigned.The pressure of second proportioning valve 22 output can be an independent pressure, such as 3BAR or 5BAR, the pressure of an also exportable linear change, or such as from 5BAR to 2BAR from 0 to 3BAR or the like.By this variation, can test brake bag lock or declutch the needed time, add the sealing that seal valve also can be measured each parts.
In a kind of specific embodiment, the custom-made software in the unit of testing and controlling is the software processing system by the establishment of CoDeSys language.This software processing system is write by CODESYS, and CODESYS is the software of widespread usage in the robotization world, meets IEC 61131-3 standard.The present whole world has above 350 tame equipment vendors uses it, and this makes us very wide to the range of choice of automation equipment, is convenient to replace.Adopting the control module of software processing system is an open system, whenever a kind of new brake system is arranged, we can write a new program according to the various parameters of this brake system very easily, and it promptly can be a kind of automatic test, also can be manual tests.Then it is joined in the native system, thereby realize test maintaining this new brake system.
In a kind of specific embodiment, intelligent terminal 32 is a wired connection with connecting of the first valve island module 31 in the unit of testing and controlling.In a kind of specific embodiment, wired connection is that track connects.In a kind of specific embodiment, intelligent terminal 32 is wireless connections with connecting of the first valve island module in the unit of testing and controlling.
In a kind of specific embodiment, the first valve island module in the unit of testing and controlling has adopted the product (FESTO) of Fei Situo.
Test macro provided by the invention can be tested different aerodynamic brakes unit simultaneously, thereby can either save the required manpower and materials of test, also can accelerate the turnover of locomotive simultaneously.Locomotive of the present invention includes but not limited to: train, subway, light rail, the train of rail or trackless, automobile etc.
In a kind of specific embodiment, data acquisition unit 1 is provided with power module 11 and valve island control module, power module 11 external 220 volts of interchanges, one group converts 24 volts of direct currents to and supplies with the first valve island module 31, other one group converts five 110 volts of direct currents to or converts 72 volts of direct currents according to demand to or other voltage outputs on 5 five relays 14, these five relays 14 are connected with the first valve island module 31 simultaneously, come the power supply of control electromagnetic valve switch by unit of testing and controlling, thereby make solenoid valve work test its correlated performance.
The effect of the first valve island module 31 is to provide hardware running environment for custom-made software.In a kind of tool embodiment, valve island control module has processor, flash memory, internal memory.It is the various instructions in the management data collection unit 1 not only, and signal is also managed instruction and signal in gas-pressure adjustable feed unit 2 and the data acquisition expanding element 5 simultaneously.Its power supply is to convert 24 volts of direct currents by external 220V alternating current to through transformation to supply with.Thereby it controls 110 volts of galvanic outputs by joining with corresponding relays 14, and the instruction that has guaranteed computer can be sent to the solenoid valve on the aerodynamic brake unit.
In a kind of specific embodiment, unit of testing and controlling, data acquisition unit 1 and air pressure feed unit are by CANOpen bus coupled in series.
Another feature of test macro provided by the invention is portable, and an employee can operate separately, and particularly the employee can bring intelligent terminal 32 into pilothouse, carries out various operations by the various brake appts of pilothouse, thereby more approaches actual operating position.
With reference to figure 4, Fig. 4 is the principle schematic of data expanding element in a kind of embodiment of test macro provided by the invention.
A kind of preferred embodiment in, test macro provided by the invention, also comprise one or an above data acquisition expanding element 5, data acquisition expanding element 5 comprises input and output valve island and one or more data acquisition extension sensors 52, and data acquisition extension sensor 52 is used to survey the corresponding original detection data of corresponding brake control module and is sent to the first valve island module 31 by input and output valve island.
In a kind of specific embodiment, the number of data acquisition extension sensor 52 is 1-6.
In a kind of specific embodiment, data acquisition expanding element 5 is a wired connection with connecting of unit of testing and controlling.In a kind of specific embodiment, wired connection is that track connects.In a kind of specific embodiment, data acquisition expanding element 5 is wireless connections with connecting of unit of testing and controlling.
In specific embodiment, each data expanding element can corresponding one or more aerodynamic brake unit.In a kind of specific embodiment, be connected in series by wired or wireless mode by the CANOpen bus between the data expanding element, each data expanding element has the brake pressure of interface and pneumatic brake units to be connected, thereby guarantees and can carry out verification and avoid error with data sampling sensor 13.
Can realize simultaneously a plurality of aerodynamic brakes of locomotive unit being carried out test maintaining by the data expanding element is set, also can realize the aerodynamic brake unit of whole locomotive is carried out test maintaining simultaneously.
In a kind of specific embodiment, the data expanding element comprises the long-range input/output module in valve island and an above data acquisition extension sensor 52, the input and output of CANopen bus are in order to be connected with previous and next expanding element, external air pressure mouth links to each other with locomotive brake air pressure, it can not work independently, and must link to each other with data acquisition unit 1 and gas-pressure adjustable feed unit 2.Before the test, at first want an above data acquisition extension sensor 52 to receive correction module and data acquisition unit 1 is proofreaied and correct simultaneously.After correction finishes data acquisition extension sensor 52 is linked into the aerodynamic brake unit of locomotive, when computer carries out various operation, by data acquisition extension sensor 52 data acquisition is got off, be sent to the first valve island module 31 in the data acquisition unit 1 by valve island remote I/O module through the CANOpen bus, deliver to the interface of intelligent terminal 32 then after treatment.In a kind of specific embodiment, the number of data acquisition extension sensor 52 is chosen for 6.
In a kind of specific embodiment, the preset parameter value comprises the inflation and the deflation time of cylinder, gas-holder, tracheae and/or auxiliary gas tank in the aerodynamic brake unit.In a kind of specific embodiment, the preset parameter value comprises the total head value and the half pressure value of cylinder in the aerodynamic brake unit.In a kind of specific embodiment, the preset parameter value comprises declutching of checking cylinder in the aerodynamic brake unit and band-type brake time.In a kind of specific embodiment,, the preset parameter value comprises the seal parameters of cylinder in the pneumatic braking system, gas-holder, tracheae and/or auxiliary gas tank and various pressure valve.In a kind of specific embodiment, the preset parameter value comprise the operation valve of mechanical braking in the pneumatic braking system and whole locomotive pressure valve startup and close parameter.In a kind of specific embodiment, the preset parameter value is the combination of above each parameter value.
Please further with reference to figure 5, Fig. 5 is for being in the test philosophy synoptic diagram of the state of quitting work at locomotive in a kind of embodiment of test macro provided by the invention.
When train is changed a new aerodynamic brake unit, or during the trouble-shooting reason, do not need whole locomotive tested and only need this element be tested on certain aerodynamic brake unit, locomotive does not need to enter charged duty.At first the compressed gas source in the workshop is linked into gas-pressure adjustable feed unit 2, and make it reach the required atmospheric pressure value of brake to the tested object air feed, then data sampling sensor 13 is received and carried out synchronous correction on the correction module, finish in case proofread and correct, we receive data sampling sensor 13 on the Devices to test, the test that begins to be correlated with according to the brake parameter that provides of brake supplier again, such as sealing, brake required time or the like.If the result meets the parameter that supplier provides, equipment just can move so, otherwise just can find the parts of damage.When maintenance, can find trouble unit like this, and not need integral replacing brake control module, provide cost savings.
Please further with reference to figure 6, Fig. 6 is for being in the integration testing philosophy synoptic diagram of electriferous state at locomotive in a kind of embodiment of test macro provided by the invention.
When testing, at first with unit of testing and controlling, data acquisition unit 1, gas-pressure adjustable feed unit 2, data acquisition expanding element 5 is together in series by the CANOpen bus, and generally speaking, data are gathered expanding element 5 corresponding aerodynamic brake unit.And then the input air pressure of data acquisition unit 1 and the input air pressure of all expanding elements received on the brake pressure, all data sampling sensors 13 are received on the correction module, send instruction by control module, can be manually or automatically, the 13 disposable verifications of all data sampling sensors are finished.After verification finishes, data sampling sensor 13 need be linked into all aerodynamic brake unit and send instruction and begin test to wait for unit of testing and controlling.Because the data acquisition expansion elements is arranged, the instruction that we send on intelligent terminal 32 can be worked to all aerodynamic brake unit by the first valve island module, such as the test assistant cylinder, we need be to its exhaust, the air pressure of inside is reduced to zero, again inflation then keeps seeing after a period of time its air pressure numerical value whether in error range, thereby proves its sealing.Repeating these steps to second again after originally a test is finished tests.These actions now can disposablely be finished, and each corresponding data all can transfer back to unit of testing and controlling by the CANOpen bus.After test finished, test report will be saved on client's specified server by wired or wireless network automatically.The time of testing an aerodynamic brake unit originally is about 2 hours 30 minutes, test whole locomotive and may need 2 to 3 days, because it has tens and even a twenty or thirty aerodynamic brake unit, just can solve all tests half a day now, not only save manpower and materials, more accelerated the turnover of train.Guarantee the trackability and the reliability of test report simultaneously, avoided the possibility of artificial modification.
Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (31)
1. test macro, be used to test the pneumatic braking system that comprises one or more brake control modules, it is characterized in that, described test macro comprises: data acquisition unit, gas-pressure adjustable feed unit and unit of testing and controlling, described data acquisition unit and described gas-pressure adjustable feed unit all connect with described unit of testing and controlling;
Described unit of testing and controlling comprises the first valve island module, intelligent terminal and custom-made software, described intelligent terminal is used to provide man-machine interface, the described first valve island module is connected in described intelligent terminal, for described custom-made software provides hardware running environment, described custom-made software is used to set the preset parameter value and the test process of described pneumatic braking system;
Described gas-pressure adjustable feed unit provides the gas of scheduled pressure value to described brake control module according to the instruction of described unit of testing and controlling;
Described data acquisition unit comprises power module and one or more data sampling sensors, described power module, described data sampling sensor all connect with the described first valve island module, described power module is used for providing to the described first valve island module power supply of scheduled voltage, described data sampling sensor is surveyed the corresponding original detection data of corresponding described brake control module, and sends described original detection data to the described first valve island module;
The described first valve island module forms actual parameter value after treatment with described original detection data, and sends described actual parameter value to described custom-made software; Described custom-made software compares and draws judged result with described actual parameter value and corresponding described preset parameter value, and described judged result is sent to described intelligent terminal.
2. test macro according to claim 1, it is characterized in that, described brake control module is provided with solenoid valve, correspondingly described data acquisition unit is provided with relay, described power module is divided into first transition zone and second transition zone, described relay one end is connected with described second transition zone, the other end is connected with the described first valve island module, the switch of the described relay of the described first valve island module controls, described first transition zone provide the power supply of described scheduled voltage to the described first valve island module.
3. test macro according to claim 2 is characterized in that, described scheduled voltage is 24 volts of direct currents.
4. test macro according to claim 2 is characterized in that, the operating voltage of described solenoid valve is 110 volts of direct currents or 72 volts.
5. test macro according to claim 1 is characterized in that described data acquisition unit is provided with correction module, and described correction module is used to proofread and correct the standard value of each described data sampling sensor.
6. test macro according to claim 5, it is characterized in that, described correction module comprises standard transducer, and each described data sampling sensor all connects with described standard transducer, and the precision of described standard transducer is higher than the precision of described data sampling sensor.
7. test macro according to claim 1, it is characterized in that, described data acquisition unit is provided with first proportioning valve, and the gas of described scheduled pressure value is provided to described data sampling sensor and described standard transducer by described first proportioning valve by described external air pressure.
8. test macro according to claim 1 is characterized in that, the number of described data sampling sensor is 6.
9. test macro according to claim 1 is characterized in that, described scheduled pressure value is the numerical value that changes within the specific limits.
10. test macro according to claim 1 is characterized in that, described scheduled pressure value is a fixed value.
11. test macro according to claim 1 is characterized in that, described unit of testing and controlling, described data acquisition unit and described air pressure feed unit are by CANOpen bus coupled in series.
12. test macro according to claim 1 is characterized in that, described preset parameter value comprises the inflation and the deflation time of cylinder, gas-holder, tracheae and/or auxiliary gas tank in the described pneumatic braking system.
13. test macro according to claim 1 is characterized in that, described preset parameter value comprises the total head value and the half pressure value of cylinder in the described pneumatic braking system.
14. test macro according to claim 1 is characterized in that, described preset parameter value comprises declutching of checking cylinder in the described pneumatic braking system and band-type brake time.
15. test macro according to claim 1 is characterized in that, described preset parameter value comprises the seal parameters of cylinder in the described pneumatic braking system, gas-holder, tracheae and/or auxiliary gas tank and various pressure valve.
16. test macro according to claim 1 is characterized in that, described preset parameter value comprise the operation valve of mechanical braking in the described pneumatic braking system and whole locomotive pressure valve startup and close parameter.
17. test macro according to claim 1 is characterized in that, described custom-made software is the software processing system by the establishment of CoDeSys language.
18. test macro according to claim 1 is characterized in that, described intelligent terminal is a wired connection with connecting of the described first valve island module.
19. test macro according to claim 1 is characterized in that, described wired connection is that track connects.
20. test macro according to claim 1 is characterized in that, described intelligent terminal is wireless connections with connecting of the described first valve island module.
21. according to each described test macro of claim 1 to 20, it is characterized in that, also comprise one or an above data acquisition expanding element, described data acquisition expanding element comprises input and output valve island and one or more data acquisition extension sensors, and described data acquisition extension sensor is used to survey the corresponding described original detection data of corresponding described brake control module and is sent to the described first valve island module by described input and output valve island.
22. test macro according to claim 21 is characterized in that, the number of described data acquisition extension sensor is 1-6.
23. test macro according to claim 21 is characterized in that, described data acquisition expanding element is a wired connection with connecting of described unit of testing and controlling.
24. test macro according to claim 21 is characterized in that, described wired connection is that track connects.
25. test macro according to claim 21 is characterized in that, described data acquisition expanding element is wireless connections with connecting of described unit of testing and controlling.
26. according to each described test macro of claim 1 to 20, it is characterized in that, described gas-pressure adjustable feed unit comprises the pressure gas service tank and second proportioning valve, described pressure gas service tank is provided with the air intake opening that is communicated with external source of the gas, and be connected with the gas input port of described brake control module by described second proportioning valve, described second proportioning valve is connected in described unit of testing and controlling by the second valve island module.
27. test macro according to claim 26 is characterized in that, described first proportioning valve and described second proportioning valve are wholely set.
28. test macro according to claim 26 is characterized in that, described gas-pressure adjustable feed unit also comprises filtrator, and described filtrator is arranged at described air intake opening.
29. test macro according to claim 26 is characterized in that, described gas-pressure adjustable feed unit also comprises the second valve island module, and an end of the described second valve island module connects with described unit of testing and controlling, the other end connects with described second proportioning valve.
30. test macro according to claim 29 is characterized in that, described second valve island module and the described first valve island module are wholely set.
31. test macro according to claim 26 is characterized in that, described gas-pressure adjustable feed unit also is provided with seal valve.
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| CN201310115353.1A CN103217300B (en) | 2013-04-04 | 2013-04-04 | Test system |
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| CN103217300B CN103217300B (en) | 2017-02-08 |
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| CN112145504A (en) * | 2020-08-31 | 2020-12-29 | 广州明珞装备股份有限公司 | Clamp detection method, system, equipment and storage medium |
| CN118067337A (en) * | 2024-04-24 | 2024-05-24 | 苏州优曼特自动化设备有限公司 | Universal valve air tightness test equipment |
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| CN103217300B (en) | 2017-02-08 |
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