CN104373273B - Quality formula intelligent fuel injection pump tester oil-measuring apparatus - Google Patents
Quality formula intelligent fuel injection pump tester oil-measuring apparatus Download PDFInfo
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- CN104373273B CN104373273B CN201410535009.2A CN201410535009A CN104373273B CN 104373273 B CN104373273 B CN 104373273B CN 201410535009 A CN201410535009 A CN 201410535009A CN 104373273 B CN104373273 B CN 104373273B
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- China
- Prior art keywords
- oil
- fuel
- injection pump
- signal output
- control unit
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Abstract
A kind of intelligent Oil Measuring System for Injection Pump Test-Bed of quality formula, has quality formula oil-measuring apparatus and CPU control unit, quality formula oil-measuring apparatus have：The injection pump being connected with the driving means in oil-pump testing bench and fuel tank respectively, the fuel injector being connected with injection pump oil-out by oil pipe, the electromagnetic valve being connected with the oil-out of fuel injector by high-pressure oil pipe, one oil-out of electromagnetic valve is connected with the measurement container being arranged on electronic balance by oil pipe, another oil-out of electromagnetic valve is connected with the fuel tank in oil-pump testing bench by oil pipe, the signal input part of CPU control unit is electrically connected the signal output part of the pressure transducer being arranged in fuel injector, it is arranged on the signal output part of the signal output part of temperature sensor and electronic balance measuring in container, the signal output part of CPU control unit connects the signal input part of electromagnetic valve.Present invention achieves the automatization of gauging process, intellectuality, easy to operate, quick, improve gauging precision and work efficiency.
Description
Technical field
The present invention relates to a kind of oil-measuring apparatus.More particularly to a kind of quality formula intelligent fuel injection pump tester gauging dress
Put.
Background technology
Fuel injection pump tester is diesel locomotive manufacture and repair shop's inspection, the adjustment indispensable equipment of injection pump, mainly
Effect is detection and the adjustment various parameters in various operating mode for the injection pump.Weigh fuel injection pump tester performance and quality one
Important indicator is exactly the accuracy of oil spout measurement.Increasingly extensive with diesel applications, engine energy-saving and environmental requirement
Continuous improvement, injection pump manufacturing firm and maintenance industry, the technical requirements also more and more higher to fuel injection pump tester, cause spray
The design of Fuel Injection Pump Test-Bed constantly improves in terms of gauging method and intelligent control technology, to fuel injection pump tester amount
The development of oily device seems very necessary.
Content of the invention
The technical problem to be solved is to provide one kind and is capable of gauging crosses process automation, intelligentized matter
Amount formula intelligent fuel injection pump tester oil-measuring apparatus.
The technical solution adopted in the present invention is：A kind of intelligent Oil Measuring System for Injection Pump Test-Bed of quality formula, includes
Oil-pump testing bench, is arranged on the quality formula weight oil dress providing fuel oil on described oil-pump testing bench and by oil-pump testing bench
Put, and be used for the CPU control unit controlling quality formula oil-measuring apparatus to measure, described quality formula oil-measuring apparatus include
Have：Respectively with the driving means in described oil-pump testing bench and the injection pump for providing the fuel tank of fuel oil to be connected, pass through
The fuel injector that oil pipe is connected with described injection pump oil-out, is connected with the oil-out of described fuel injector by high-pressure oil pipe
Electromagnetic valve, an oil-out of described electromagnetic valve is connected with the measurement container being arranged on electronic balance by oil pipe, electromagnetic valve
Another oil-out be connected with the fuel tank in oil-pump testing bench by oil pipe, the signal input part of described CPU control unit
It is electrically connected the signal output part of the pressure transducer being arranged in described fuel injector, the temperature being arranged in described measurement container
The degree signal output part of sensor and the signal output part of electronic balance, the signal output part of described CPU control unit connects
The signal input part of described electromagnetic valve.
Described fuel injector includes the oil spout being connected by high-pressure oil pipe of more than 2 with described electromagnetic valve oil-in
Mouthful, a signal output part with described CPU control unit is both provided with each jet and electrically connects for controlling
The fuel tap that jet is opened and closed, arranges a vibration for detecting fuel-displaced number of times on the oil-out of each fuel tap
Sensor, the signal output part of the vibrating sensor on each fuel tap oil-out described is all electronically connected to the letter of electronic counter
Number input, the signal output part of described electronic counter electrically connects the signal input part of described CPU control unit.
Described oil-pump testing bench includes the motor being arranged in support, leads to the output shaft of described motor
Cross V-type band to be connected for driving the injection pump in quality formula oil-measuring apparatus that the oil sucking from fuel tank is sent into the cam of fuel injector
Mechanism, the output shaft of described cam mechanism is provided with the cam being electrically connected with the signal input part of described CPU control unit
Speed probe.
The signal output part of described CPU control unit is also respectively connected with printer and display.
The quality formula intelligent fuel injection pump tester gauging dress of the present invention, effectively changes traditional injection pump gauging mode
Exist foozle, deposition errors, liquid level readings error, bubble error, and in measurement process automaticity low, measurement
The low problem of time length, accuracy of measurement, claims to carry out mass measurement using external capacity-type electronic balance, overcomes traditional measurement
Error is big, the shortcoming of time length；Combine automatic control technology with single-chip microcomputer it is achieved that the automatization of gauging process, intellectuality,
Easy to operate, quick, improve gauging precision and work efficiency.
Brief description
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the side view of Fig. 1；
Fig. 3 is the schematic diagram of the CPU control unit in the present invention；
Fig. 4 is the structural representation of quality formula oil-measuring apparatus；
Oil spout counting how many times structural representation at fuel injector jet in Fig. 5 present invention.
In figure
1：Fuel injection pump tester 2：Quality formula oil-measuring apparatus
3：CPU control unit 4：Printer
5：Display 11：Fuel tank
12：Support 13：Motor
14：V-type band 15：Cam mechanism
16：Cam speed probe 21：Injection pump
22：Fuel injector 23：Electromagnetic valve
24：Measurement container 25：Electronic balance
26：Pressure transducer 27：Temperature sensor
28：Electronic counter 221：Jet
222：Fuel tap 223：Vibrating sensor
Specific embodiment
With reference to embodiment and accompanying drawing, the intelligent Oil Measuring System for Injection Pump Test-Bed of quality formula of the present invention is made in detail
Describe in detail bright.
As shown in Figure 1, Figure 2, Figure 3 shows, the intelligent Oil Measuring System for Injection Pump Test-Bed of quality formula of the present invention, includes oil spout
Test-bed for pump 1, is arranged on the quality formula oil-measuring apparatus providing fuel oil on described fuel injection pump tester 1 and by fuel injection pump tester 1
2, and for controlling the CPU control unit 3 that quality formula oil-measuring apparatus 2 measure, the signal of described CPU control unit 3
Outfan is also respectively connected with printer 4 and display 5.
As shown in figure 4, described quality formula oil-measuring apparatus 2 include：Respectively with described fuel injection pump tester 1 in drive
Dynamic device and the injection pump 21 for providing the fuel tank 11 of fuel oil to be connected, are connected with described injection pump 21 oil-out by oil pipe
Fuel injector 22, the electromagnetic valve 23 being connected with the oil-out of described fuel injector 22 by high-pressure oil pipe, described electromagnetic valve 23
One oil-out is connected with the measurement container 24 being arranged on electronic balance 25 by oil pipe, another oil-out of electromagnetic valve 23
It is connected with the fuel tank 11 in fuel injection pump tester 1 by oil pipe, the signal input part of described CPU control unit 3 is electrically connected
The signal output part of pressure transducer 26 being arranged in described fuel injector 22, the temperature being arranged in described measurement container 24 pass
The signal output part of sensor 27 and the signal output part of electronic balance 25, the signal output part of described CPU control unit 3 connects
The signal input part of described electromagnetic valve 23.
As shown in figure 5, described fuel injector 22 include more than 2 by high-pressure oil pipe and the oil-feed of described electromagnetic valve 23
The jet 221 that mouth is connected, is both provided with a signal with described CPU control unit 3 defeated on each jet 221
Go out end electrical connection for the fuel tap 222 controlling jet 221 to open and closing, the oil-out of each fuel tap 222 sets
Put a vibrating sensor 223 for detecting fuel-displaced number of times, the vibrating sensor on each fuel tap 222 oil-out described
223 signal output part is all electronically connected to the signal input part of electronic counter 28, the signal output of described electronic counter 28
End electrically connects the signal input part of described CPU control unit 3.
As shown in figure 1, described fuel injection pump tester 1 includes the motor 13 being arranged in support 12, and described
The output shaft of motor 13 is connected for driving the injection pump 21 in quality formula oil-measuring apparatus 2 will be from fuel tank by V-type band 14
The cam mechanism 15 of fuel injector 22 sent into by the oil of 11 suctions by oil pipe, and the output shaft of described cam mechanism 15 is provided with and institute
The cam speed probe 16 of the signal input part electrical connection of the CPU control unit 3 stated.
The intelligent Oil Measuring System for Injection Pump Test-Bed of quality formula of the present invention, all stations public of fuel injection pump tester
Set metering system, by fuel tap at times to election weighing system fuel feeding, the output increment Δ m of so each period metering system
It is the testing result of this station.Solve each station in traditional independent measure system and exclusively enjoy a set of measurement sensory system institute
There is between the different station being formed the problem of different measurement criteria.
The operation principle of the intelligent Oil Measuring System for Injection Pump Test-Bed of quality formula of the present invention：Tested injection pump 21 is installed
Good post-heating fuel oil, actuating motor 13 when fuel oil temperature reaches prescribed limit, fuel injection pump tester 1 drives tested oil spout
Pump oil spout, fuel oil flows into the measurement container 24 on electronic balance 25 through high-pressure oil pipe, fuel injector 22 oil spout, fluid through electromagnetic valve 23
Interior.CPU control unit 3 flows into fuel tank 11 by solenoid valve control fuel oil or flows into measurement container 24.The CPU control when needing test
Unit 3 processed controls electromagnetic valve to open the port leading to measurement container 24, makes fuel oil flow into the measurement container 24 on electronic balance, with
When electronic counter 28 to enter measurement container 24 oil spout number of times start counting up.When oil spout number of times reaches prefabricated number of times,
CPU control unit 3 controls closed electromagnetic valve to lead to the oil-out of measurement container 24, opens the port leading to fuel tank 11, system is
Gauging state, the fuel oil of ejection flows back to the fuel tank 11 in fuel injection pump tester, does not enter back into the container on electronic balance.Electronics sky
The flat quality weighing up fuel oil in inflow test container, is transferred to CPU control unit 3, is converted into volume through computing and can obtain
The volume of fuel oil in test fuel tank 11.
The temperature sensor 27 being contained in fuel tank for testing the temperature of fuel oil, such that it is able to the volume of fuel oil is modified to
Volume when 40 DEG C, is beneficial to and compares under unified standard state whether the injection pump fuel bulk recording meets the requirements.Convex
Wheel speed sensor 16 is used for determining camshaft working speed, and pressure transducer 14 is used for testing the fuel feeding in injection fuel system
Pressure change, the change that the change of pressure is converted into resistance value measures.Oil pressure, oil temperature and tach signal are amplified
Input CPU control unit 3, gets final product printout after treatment.
In the detection of quality formula oil-measuring apparatus, the actual distributive value of only injection pump, distributive value and the reality that detect
Border oil spout quality is relevant, and the volume of residual oil mass does not affect to measure numerical value.The weighing of quality is not subject to the extraneous factors such as gravity, temperature
Interference, the fuel oil quality of systematic survey closer to actual value, eliminates surplus oil during positive displacement measurement by mistake after formula conversion
Difference, deposition errors, the error in reading of meniscus, and the impact to fuel bulk for the temperature.Can ensure that the measured value of amount of fuel not
Change with touchdown point, the change of temperature.
Claims (3)
1. a kind of intelligent Oil Measuring System for Injection Pump Test-Bed of quality formula, includes oil-pump testing bench（1）, it is arranged on described spray
Oil pump laboratory table（1）Above and by oil-pump testing bench（1）The quality formula oil-measuring apparatus of fuel oil are provided（2）, and be used for controlling matter
Amount formula oil-measuring apparatus（2）The CPU control unit measuring（3）It is characterised in that described quality formula oil-measuring apparatus（2）Bag
Include：Respectively with described oil-pump testing bench（1）In driving means and for providing the fuel tank of fuel oil（11）Connected spray
Oil pump（21）, by oil pipe and described injection pump（21）The fuel injector that oil-out is connected（22）, by high-pressure oil pipe with described
Fuel injector（22）Oil-out be connected electromagnetic valve（23）, described electromagnetic valve（23）An oil-out pass through oil pipe and setting
In electronic balance（25）On measurement container（24）It is connected, electromagnetic valve（23）Another oil-out to pass through oil pipe and injection pump real
Test platform（1）In fuel tank（11）It is connected, described CPU control unit（3）Signal input part be electrically connected and be arranged on described spray
Oily device（22）In pressure transducer（26）Signal output part, be arranged on described measurement container（24）In temperature sensor
（27）Signal output part and electronic balance（25）Signal output part, described CPU control unit（3）Signal output part even
Connect described electromagnetic valve（23）Signal input part；Described fuel injector（22）Include more than 2 by high-pressure oil pipe and institute
State electromagnetic valve（23）The jet that oil-in is connected（221）, in each jet（221）On be both provided with one with described
CPU control unit（3）Signal output part electrically connect for controlling jet（221）The fuel tap opened and close（222）, every
One fuel tap（222）Oil-out on all arrange one for detecting the vibrating sensor of fuel-displaced number of times（223）, described each
Fuel tap（222）Vibrating sensor on oil-out（223）Signal output part be all electronically connected to electronic counter（28）Signal
Input, described electronic counter（28）Signal output part electrically connect described CPU control unit（3）Signal input part.
2. the intelligent Oil Measuring System for Injection Pump Test-Bed of quality formula according to claim 1 is it is characterised in that described spray
Oil pump laboratory table（1）Include and be arranged on support（12）In motor（13）, with described motor（13）Output shaft lead to
Cross V-type band（14）It is connected for driving quality formula oil-measuring apparatus（2）In injection pump（21）Will be from fuel tank（11）The oil sucking
Send into fuel injector（22）Cam mechanism（15）, described cam mechanism（15）Output shaft on be provided with and described CPU control
Unit（3）Signal input part electrical connection cam speed probe（16）.
3. the intelligent Oil Measuring System for Injection Pump Test-Bed of quality formula according to claim 1 is it is characterised in that described
CPU control unit（3）Signal output part be also respectively connected with printer（4）And display（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535009.2A CN104373273B (en) | 2014-10-11 | 2014-10-11 | Quality formula intelligent fuel injection pump tester oil-measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410535009.2A CN104373273B (en) | 2014-10-11 | 2014-10-11 | Quality formula intelligent fuel injection pump tester oil-measuring apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104373273A CN104373273A (en) | 2015-02-25 |
| CN104373273B true CN104373273B (en) | 2017-03-01 |
Family
ID=52552388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410535009.2A Expired - Fee Related CN104373273B (en) | 2014-10-11 | 2014-10-11 | Quality formula intelligent fuel injection pump tester oil-measuring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104373273B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104976007B (en) * | 2015-08-07 | 2018-04-20 | 北京经纬恒润科技有限公司 | A kind of test device of high-pressure fuel pump |
| CN106224150A (en) * | 2016-09-19 | 2016-12-14 | 天津帅通科技发展有限公司 | A kind of engine fuel injection pipe flux monitoring system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5720553A (en) * | 1980-07-09 | 1982-02-03 | Hitachi Zosen Corp | Abnormality detecting process of fuel injection system |
| CN2057963U (en) * | 1988-12-05 | 1990-06-06 | 山东泰安无线电总厂 | Microcomputer on slice measuring displaying unit |
| JP2010007504A (en) * | 2008-06-25 | 2010-01-14 | Honda Motor Co Ltd | Fuel injection device |
| CN202266356U (en) * | 2011-10-13 | 2012-06-06 | 王博 | Microcomputer high-precision gauging digital-display oil injection pump test bed |
| CN202789271U (en) * | 2012-09-11 | 2013-03-13 | 王博 | Full-computer high-precision fuel injection pump test-bed |
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2014
- 2014-10-11 CN CN201410535009.2A patent/CN104373273B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104373273A (en) | 2015-02-25 |
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