CN2168097Y - Automatic testing jig for detection of oil pump motor set - Google Patents
Automatic testing jig for detection of oil pump motor set Download PDFInfo
- Publication number
- CN2168097Y CN2168097Y CN 93200159 CN93200159U CN2168097Y CN 2168097 Y CN2168097 Y CN 2168097Y CN 93200159 CN93200159 CN 93200159 CN 93200159 U CN93200159 U CN 93200159U CN 2168097 Y CN2168097 Y CN 2168097Y
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- fuel pump
- motor
- transducer
- utility
- model
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- Expired - Fee Related
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to an automatic testing jig for detecting a fuel pump and motor assembly, which is especially suitable for detecting technical parameters and the operating state of a fuel pump and motor assembly of a diesel locomotive. The utility model adopts half controlled bridge rectification to supply power for a motor, data of each physical parameter are collected through a sensor and converted to an analog voltage of 0-5V, entering an A/D port of a monolithic computer through isolating transformation, and the monolithic computer 8098 carries out calculation and prints the results. After a fuel pump and the motor are assembled in a group, the utility model can carry out automatic test on technical parameters and the operating state of the fuel pump and motor assembly. The utility model has the advantages of time saving, labor saving, accurate test result and high efficiency and ensures the reliable operation of the fuel pump and motor assembly.
Description
The utility model belongs to fuel of internal combustion engine transfer pump group of motors automatic test technology, is specially adapted to the detection of beeliner fuel transfer pump generator technology performance parameter.
At present, the detection of fuel of internal combustion engine pump motor group technical parameter is that fuel pump and motor are detected respectively separately, and this method not only wastes time and energy, and can not detect technical parameter and working state after the assembling in groups of fuel pump and motor, be difficult to reach requirement accurately and reliably.Up to the present, after this fuel pump and the motor assembling in groups, the fuel pump group of motors of utilizing microcomputer to gather and print test result automatically detects test stand automatically also not to be had.
The purpose of this utility model is the problem that existing means of testing is existed, and a kind of test stand that can test the technical parameter of fuel transfer pump group of motors automatically, exactly is provided, and to grasp its working state, in order to the supply of diesel engine fuel oil, guarantees utilization reliably.
The purpose of this utility model is achieved in that the fuel pump group of motors detects test stand automatically and is made up of the hydraulic system and the electric control system of the instrument panel on top, test specimen mounting platform, operating panel, bottom.In the electric control system of test stand, each physical quantity of fuel pump group of motors: voltage, electric current, pressure, flow, vacuum and temperature are the analogue signals that the data of its collection is converted to 0-5V by sensor separately, send into the D/A mouth of single-chip microcomputer 8098, become digital signal, each signal of microcomputer acquisition time, through comparison operation, promptly obtain the numerical value of each physical quantity, and printablely go out test result.
Voltage, current sensor input end are connected on the output terminal of half control bridge; One end of temperature transducer is contained in the fuel tank; Flow transducer, pressure transducer, vacuum transducer one end are installed in the oil circuit of hydraulic system; The output termination isolated converter separately of each sensor then connects 8098 A/D mouth.In addition, this test stand has adopted the semi-controlled bridge rectifier power supply to motor.
The utility model advantage compared with prior art is: this test stand can be tested technical parameter and working state after fuel pump and the motor assembling in groups, automatically gather and print test result, save time, laborsaving, and guarantee the reliable operation of fuel pump group of motors.
Description of drawings:
Fig. 1 fuel pump group of motors detects the test stand schematic representation automatically
Fig. 2 detects the test stand hydraulic system
Fig. 3 detects the test stand electric control system
The utility model is described in further detail in conjunction with the accompanying drawings:
The fuel pump group of motors detects test stand (Fig. 1) automatically and is made up of the hydraulic system (Fig. 2) and the electric control system (Fig. 3) of the instrument panel (1) on top, test specimen mounting platform (8), operating panel (9), bottom.
Fig. 1 detects the test stand schematic representation automatically for the fuel pump group of motors.Ammeter (7), the voltmeter (2) of measuring the parameter of electric machine and pressure gauge (3), flowmeter (5), vacuum gauge (6) and the printer (4) of measuring the fuel pump parameter are housed on instrument panel (1).On the test specimen mounting platform (8) tested fuel pump group of motors will be installed; The test specimen mounting platform is full open form, is convenient to the mounting or dismounting handling of Oil pump electrical machinery group and the connection of pipeline.Print switch (13), total power switch (12), motor switch (11), speed regulation (10) are housed on (9) on the operating panel.(14) for test stand hydraulic pressure and electric control system components and parts case are installed.
Fig. 2 is for detecting the hydraulic system of test stand.After fuel pump group of motors in this system obtains electricity, with fuel oil from fuel tank (15), by the connecting pipeline between each device through XU-10 * 100L oil purifier (16), ball valve (17), fuel pump group of motors (18), pressure gauge Y-100ZT(3), flowmeter XF2-102A(5), relief valve XP-B10(19) flow back to fuel tank.The outlet of vacuum gauge (6) access valve (17).
Fig. 3 is fuel pump group of motors electric control system figure.At first insert good 220V ac power supply, electric current is through power switch (12), fus (20), recloser (11), contactor (21), enters semi-controlled bridge rectifier circuit (22), and the half control bridge circuit is made up of diode D1 and D2, controllable silicon T1 and T2.By the pulse of control circuit control silicon controlled, level and smooth adjusting output voltage, thus compound-wound fuel pump rotating speed of motor is changed.The input termination fus (20) of synchrotrans (23) and the output terminal of power switch (12), the output of synchrotrans becomes half-wave voltage signal behind rectifier (24), become square signal through comparator (25), again through integrator (26), square wave is become sawtooth wave, again through comparator (28), add the signal that given rotating speed (27) comes, form gate signal, form the pulse of (30) output modulation methods, deliver to the control utmost point of controllable silicon T1 and T2 through effect and pulse transformer (31) output pulse signal after modulating pulse (29) adds afterpulse.Voltmeter (2), ammeter (7) are connected with the output of half control bridge.
Temperature transducer (35) is contained in the fuel tank.Flow transducer (36), pressure transducer (37), vacuum transducer (34) are installed in the oil circuit of hydraulic system.Voltage, current sensor (32,33) are connected on the output line of half control bridge.Flow, pressure, vacuum, electric current, temperature, each physical quantity of voltage change the analog signal voltage of 0-5V into by corresponding sensor, through isolated variable (38-43), send into the A/D mouth of single-chip microcomputer 8098, become digital signal, the various signals of microcomputer acquisition time, through comparison operation, press print switch (13) again, can print the numerical value of each physical quantity.Among Fig. 3, n is a tachometer.
The current sensor that is adopted (33) is the LFM.LA250NP type.Voltage transducer (32) adopts the divider resistance dividing potential drop to obtain signal, flow transducer (36) adopts the ZW-15Y Scroll-type, vacuum transducer (34) and pressure transducer (37) all adopt YSG-02 type inductance minute-pressure transmitter, and temperature transducer (35) adopts AD590 type import integrated temperature sensor.Each sensor is commercially available standard piece.
This test stand uses operation easily.During test, the fuel pump group of motors is anchored on the specimen stage (8) with pressing plate, connects the line and pass in and out the oil pipe line joint, the motor switch that closes (11), transfer motor speed-regulating (10) make motor gradually raising speed to specified value.Pressure regulation power again and degree of vacuum, according to the form below is tested, and at this moment the oil sealing and the pump housing can not produce the local superheating phenomenon, and axle head oil sealing place allows oil impregnate, all the other each ne-leakages.
| Rotating speed r/min | Pressure MPa | Degree of vacuum MPa | Flow m 3/h | Temperature ℃ | Medium |
| 1350 | 0.35 | 0.0133 | 1.62 | 10-35 | Diesel oil |
| 1450 | 0.50 |
Claims (1)
1, a kind of fuel pump group of motors detects test stand automatically, is made up of test instrumentation, motor, pump, hydraulic pressure and electric part, it is characterized in that: the input end of measurand electric current, voltage transducer (33,32) is connected on the output terminal of half control bridge (22); One end of temperature transducer (35) is contained in the fuel tank; Flow transducer (36), pressure transducer (37), vacuum transducer (34) one ends are installed in the oil circuit of hydraulic system; The output termination of each sensor isolated converter (38-43) separately, the A/D mouth of the output of its isolated converter and single-chip microcomputer 8098 connects; Motor half control bridge (22) commutation supply voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93200159 CN2168097Y (en) | 1993-01-07 | 1993-01-07 | Automatic testing jig for detection of oil pump motor set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93200159 CN2168097Y (en) | 1993-01-07 | 1993-01-07 | Automatic testing jig for detection of oil pump motor set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2168097Y true CN2168097Y (en) | 1994-06-08 |
Family
ID=33785004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93200159 Expired - Fee Related CN2168097Y (en) | 1993-01-07 | 1993-01-07 | Automatic testing jig for detection of oil pump motor set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2168097Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121470A (en) * | 2010-01-08 | 2011-07-13 | 中芯国际集成电路制造(上海)有限公司 | Device and method for monitoring failure of vacuum pump and vacuum sensor |
| CN101509482B (en) * | 2009-03-23 | 2011-08-31 | 联合汽车电子有限公司 | Oil pump hot oil test desk and its use method |
| CN102662385A (en) * | 2012-05-30 | 2012-09-12 | 王春伟 | Remote well measurement and control system and measurement and control method |
| CN103174692A (en) * | 2011-12-24 | 2013-06-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Hydraulic motor dragging system used for load of high-power and wide speed adjusting range |
| CN108105079A (en) * | 2016-11-24 | 2018-06-01 | 中航贵州飞机有限责任公司 | A kind of oil pump testing device |
| CN109115473A (en) * | 2017-06-22 | 2019-01-01 | 中航贵州飞机有限责任公司 | A kind of aircraft fuel system oil pump testing device |
| CN109654009A (en) * | 2019-02-21 | 2019-04-19 | 燕山大学 | A kind of hydraulic pump motor Performance Test System and its test method |
-
1993
- 1993-01-07 CN CN 93200159 patent/CN2168097Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101509482B (en) * | 2009-03-23 | 2011-08-31 | 联合汽车电子有限公司 | Oil pump hot oil test desk and its use method |
| CN102121470A (en) * | 2010-01-08 | 2011-07-13 | 中芯国际集成电路制造(上海)有限公司 | Device and method for monitoring failure of vacuum pump and vacuum sensor |
| CN102121470B (en) * | 2010-01-08 | 2013-06-19 | 中芯国际集成电路制造(上海)有限公司 | Device and method for monitoring failure of vacuum pump and vacuum sensor |
| CN103174692A (en) * | 2011-12-24 | 2013-06-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Hydraulic motor dragging system used for load of high-power and wide speed adjusting range |
| CN103174692B (en) * | 2011-12-24 | 2015-10-28 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of for oil hydraulic motor dragging system that is high-power, wide speed regulating range load |
| CN102662385A (en) * | 2012-05-30 | 2012-09-12 | 王春伟 | Remote well measurement and control system and measurement and control method |
| CN108105079A (en) * | 2016-11-24 | 2018-06-01 | 中航贵州飞机有限责任公司 | A kind of oil pump testing device |
| CN109115473A (en) * | 2017-06-22 | 2019-01-01 | 中航贵州飞机有限责任公司 | A kind of aircraft fuel system oil pump testing device |
| CN109654009A (en) * | 2019-02-21 | 2019-04-19 | 燕山大学 | A kind of hydraulic pump motor Performance Test System and its test method |
| CN109654009B (en) * | 2019-02-21 | 2020-04-17 | 燕山大学 | Hydraulic pump motor performance test system and test method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |