CN110374778A - Marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform - Google Patents
Marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform Download PDFInfo
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- CN110374778A CN110374778A CN201910688220.0A CN201910688220A CN110374778A CN 110374778 A CN110374778 A CN 110374778A CN 201910688220 A CN201910688220 A CN 201910688220A CN 110374778 A CN110374778 A CN 110374778A
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- solenoid valve
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- fuel injection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M65/00—Testing fuel-injection apparatus, e.g. testing injection timing ; Cleaning of fuel-injection apparatus
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The present invention relates to a kind of marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platforms, the test platform is made of servo oil hydraulic system, fuel injection system and pilot solenoid valve TT&C system three digest journals, servo oil hydraulic system includes the hydraulic power source of a set of pressure adjustable section, servo oil rail is able to maintain the stabilization of pressure, provides test job pressure environment for solenoid valve；Fuel injection system includes a whole set of Injection Control equipment by oil transfer pump to fuel injector, and TT&C system uses LabVIEW software platform and NI high-speed collection card hardware platform.The present invention can carry out all-round property testing to solenoid valve, the test that can be done includes that magnetic valve performance is tested, solenoid valve matches experiment, solenoid valve Consistency test, solenoid valve reliability test with servo-system, and type of the present invention has many advantages, such as that integrated level is high, highly reliable high with intelligent level.
Description
Technical field
The present invention relates to internal-combustion engine engineering technical fields, and in particular to a kind of marine low speed diesel engine common rail fuel injection system
System solenoid valve reliability test platform.
Background technique
Solenoid valve is as one of the crucial execution unit in common rail for diesel engine formula electronic fuel injection oil system, to bavin peculiar to vessel
The working performance of oil machine has great influence.Solenoid valve product (exemplar) matches the one of evaluation and solenoid valve with the servo of fuel injector
The tests such as cause property reliability evaluation need to measure analysis in solenoid valve reliability test bench (hereinafter referred to as testing stand), point
Analyse solenoid valve to the control effect of fuel injector oil spout performance how, evaluate the consistency of performance and reliability of solenoid valve, verifying electricity
Magnet valve can be used as the whether reliable foundation of solenoid valve to the control strategy of fuel injector, measurement result.Development experiments platform is common rail
Technical foundation is established in the marine low-speed engine real machine application of formula fuel injection system.
Conventional method, which tests solenoid valve, will often carry out multiple independent test, test solenoid valve various aspects of performance
Whether meet the requirements, test period is long, and intelligent level is low, is unfavorable for shortening the solenoid valve development cycle and improves test reliably
Degree.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the deficiency of the prior art, providing a kind of integrated level
It is high, highly reliable, intelligent level is high, the marine low speed diesel engine common rail fuel injection system solenoid valve that can test for a long time can
By property test platform, which can carry out performance test, solenoid valve Consistency test, solenoid valve and the oil spout of solenoid valve
The servo matching experiment of device, solenoid valve reliability test.
The present invention is technical solution used by solving technical problem set forth above are as follows:
A kind of marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform, including servo oil liquid pressure
System, fuel injection system and pilot solenoid valve TT&C system；
The servo oil hydraulic system includes sequentially connected servo oil fuel tank, hydraulic pump, servo oil rail and solenoid valve；Institute
Stating fuel injection system includes sequentially connected fuel oil box, hydraulic pump, hydraulic booster pump, fuel injector and collection device；Servo
The solenoid valve of oily hydraulic system and the hydraulic booster pump of fuel injection system connect, and the hydraulic booster pump two sides, which are each led into, to be watched
Clothes oil and fuel oil determine the pressure of hydraulic booster pump fuel oil side by the on-off of servo oil side solenoid valve, and then described in driving
Fuel injector oil spout；
The pilot solenoid valve TT&C system includes solenoid valve chamber pressure sensor, valve core displacement sensor, coil temperature
Sensor, hydraulic booster pump pressure sensor, oil-fuel injector needle-valve lift range sensor and industrial personal computer are spent, is equipped with inside the industrial personal computer
NI capture card and TT&C system based on virtual instrument；The solenoid valve chamber pressure sensor is set to the valve chamber of solenoid valve
Interior, valve core displacement sensor is set on the spool of solenoid valve, and coil temperature sensor is set on the coil of solenoid valve, fluid power
Pressurization pump pressure sensor is set on the on high-tension side high-pressure oil pipe of hydraulic booster pump, and oil-fuel injector needle-valve lift range sensor is set to
On the needle-valve of fuel injector, the signal of acquisition is sent in the industrial personal computer by each sensor by the NI capture card respectively,
Industrial personal computer issues to the driving circuit of the solenoid valve after analyzing and determining to signal and controls signal.
In above scheme, the servo oil hydraulic system and fuel injection system share a hydraulic pump, which adopts
With the dual-purpose oil pump of lubricating oil diesel oil, diesel oil oil circuit and lubricating oil oil circuit are inside set；The dual-purpose oil pump of lubricating oil diesel oil is driven by variable-frequency motor
It is dynamic.
In above scheme, the servo oil hydraulic system further includes pumping preceding flow valve, manual pressure regulating valve, safety valve；It is described
Flow valve is installed on the entrance of the hydraulic pump before pumping, for adjusting the oil pressure for being conveyed to servo oil rail；The manual voltage regulation
Valve is a triple valve, is installed between hydraulic pump and servo oil rail, and two outlets are separately connected servo oil rail and servo oil oil
Case；The safety valve is installed on the servo oil rail, and outlet connects the servo oil fuel tank.
In above scheme, the servo oil hydraulic system further includes lubricating oil filter, and the lubricating oil filter, which is set to, to be watched
It takes between oily fuel tank and hydraulic pump, the import of the servo oil fuel tank connection lubricating oil filter, the outlet connection of lubricating oil filter
Hydraulic pump inlet.
In above scheme, common rail pressure table is set, to monitor the pressure of servo oil hydraulic system on the servo oil rail.
In above scheme, the test platform further includes solenoid valve driving module, and the solenoid valve driving module includes institute
Driving circuit is stated, the solenoid valve driving module is used to receive the control signal of pilot solenoid valve TT&C system and drives the electricity
Magnet valve movement；The industrial personal computer sending solenoid-driven signal of the pilot solenoid valve TT&C system is real to driving circuit for electromagnetic valve
Now to the control of solenoid-driven.
In above scheme, the collection device of the fuel injection system is combined using electronic-weighing and burette weighing
Mode measure the distributive value of fuel injector, can the multiple distributive value average value of precise measurement fuel injector, the collection device and fuel oil
The fuel oil of collection is delivered to fuel oil box and recycled by fuel tank connection.
In above scheme, all sensors are connected to the capture card, and the capture card connects the industrial personal computer, work
The signal from each sensor is received in the acquired clamping of control machine, is judged according to these signals, then acquired card issues control signal.
In above scheme, the fuel injection system further includes diesel fuel filter, and the diesel fuel filter is set to hydraulic
Between pump and hydraulic booster pump, the outlet connection fluid power of the import of the hydraulic pump connection diesel fuel filter, diesel fuel filter increases
The import of press pump；The diesel fuel filter is equipped with diesel pressure table.
In above scheme, the TT&C system includes data acquisition module and test selecting module, tests selecting module energy
It is selected according to the test type done, thus signal to be shown needed for being determined according to adjustment data acquisition module, test
Data preserve two ways, first is that automatically saving, first is that saving manually, default is to automatically save；Test data analyzer
After the collected data of sensor are analyzed and processed by module, be converted into voltage signal as required, the same interface into
Row display and storage；Previous test data can be finally read out in data inquiry module.
The beneficial effects of the present invention are:
1, solenoid valve reliability test platform of the invention can carry out all-round property testing, the test that can be done to solenoid valve
Experiment, solenoid valve Consistency test, the examination of solenoid valve reliability are matched with servo-system including magnetic valve performance test, solenoid valve
It tests, has the advantages that integrated level is high, highly reliable, intelligent level is high, can test for a long time.
2, servo oil rail pressure of the invention is controlled by flow valve before electric control pump, can be subtracted significantly compared to conventional overflow valve
Few fever provides condition for the long-play of testing stand.
3, the hydraulic pump that the present invention uses is servo oil and diesel oil two-way oil pump, for sides of providing such as shafting alignment installations
Just, reduce the volume of testing stand, structure integrated level is high.
4, motor of the invention is isolated with electronic components such as capture cards in industrial personal computer by arrangement, reduces motor for collected
The interference of signal etc., collected data interference is small, and accuracy is high.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the overall structure block diagram of test platform of the present invention；
Fig. 2 is the servo oil hydraulic system of test platform shown in Fig. 1 and the structural block diagram of fuel injection system；
Fig. 3 is the schematic diagram of the pilot solenoid valve TT&C system of test platform shown in Fig. 1；
Fig. 4 is the schematic diagram of TT&C system in industrial personal computer in pilot solenoid valve TT&C system shown in Fig. 3.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
As shown in Figure 1, being a preferred embodiment of the present invention marine low speed diesel engine common rail fuel injection system solenoid valve
Reliability test platform, including servo oil hydraulic system, fuel injection system and pilot solenoid valve TT&C system.Servo oil liquid system
System includes the hydraulic power source of a set of pressure adjustable section, and servo oil rail is able to maintain the stabilization of pressure, provides test job for solenoid valve
Pressure environment.Fuel injection system includes fuel injector and associated component, can be opened by solenoid valve driving module solenoid valve
It puts row into and controls and then control fuel injector injection process, while relevant device can provide the fuel injector needle lift of a valve and injection pressure
Test.Pilot solenoid valve TT&C system uses LabVIEW software platform and NI high-speed collection card hardware platform, can be to required
Each road signal carries out acquisition in real time and shows, and can carry out adjusting and controlling in real time to operating condition.
As shown in Figs. 1-2, servo oil hydraulic system includes passing through the sequentially connected servo oil fuel tank of oil pipe, lubricating oil filtering
Device, hydraulic pump, servo oil rail and solenoid valve；Fuel injection system include by the sequentially connected fuel oil box of oil pipe, hydraulic pump,
Diesel fuel filter, hydraulic booster pump, fuel injector and collection device.Fuel injector is the control object of solenoid valve, servo oil hydraulic pressure system
The solenoid valve of system and the hydraulic booster pump of fuel injection system connect, and hydraulic booster pump two sides each lead into servo oil and fuel oil,
The pressure of hydraulic booster pump fuel oil side is determined by the on-off of servo oil side solenoid valve, and then drives fuel injector oil spout.Work as electricity
When electromagnetic valve driving circuit drive magnetic valve works, solenoid-driven fuel injector simulates marine low speed diesel engine fuel injection processes.
Servo oil hydraulic system further includes pumping preceding flow valve, manual pressure regulating valve and safety valve.Flow valve is installed on liquid before pumping
The entrance of press pump, the input voltage of flow valve before pumping directly is adjusted by a regulated power supply, and then establishes the work of solenoid valve
Make state servo oil pressure.Manual pressure regulating valve is a triple valve, is installed between hydraulic pump and servo oil rail, two outlets point
It Lian Jie not servo oil rail and servo fuel tank.Safety valve is installed on the servo oil rail, and outlet connects the servo fuel tank.Manually
The effect of pressure regulator valve is that when system needs release, common rail pressure is discharged into needs by the nut by adjusting manual pressure regulating valve
Level.The effect of safety valve is, when system breaks down, oil pressure is more than allowable pressure, the peace installed on servo oil rail
Full valve then can draining return servo oil fuel tank, to guarantee system reliably working.
As shown in Figure 1, Figure 3, marine low speed diesel engine solenoid valve observing and controlling system is established on industrial personal computer based on LabVIEW
System, to realize the control of switching time and switching frequency and the acquisition of relevant parameter and processing to solenoid valve.Pilot solenoid valve
TT&C system includes the hardware (referring to Fig. 3) of sensor, capture card and industrial personal computer composition, and based on the soft of LabVIEW exploitation
Part (referring to Fig. 4).Pilot solenoid valve TT&C system can according to require to solenoid valve operating parameter hardware view modify with
Working condition is shown in software view.The test of solenoid valve overall performance mainly includes solenoid valve chamber pressure, solenoid valve
Spool displacement, coil current and coil temperature, hydraulic booster pump pressure and the fuel injector needle lift of a valve, these signals are all from biography
Sensor.Therefore, pilot solenoid valve TT&C system includes solenoid valve chamber pressure sensor, valve core displacement sensor, coil temperature
Sensor, hydraulic booster pump pressure sensor, oil-fuel injector needle-valve lift range sensor, capture card and industrial personal computer set base in industrial personal computer
In the test measurement and control program of LabVIEW.Solenoid valve chamber pressure sensor is set in the valve chamber of solenoid valve, spool displacement sensing
Device is set on the spool of solenoid valve, and coil temperature sensor is set on the coil of solenoid valve, hydraulic booster pump pressure sensing
Device is set on the high-pressure oil pipe that hydraulic booster pump is followed by, and oil-fuel injector needle-valve lift range sensor is set to the needle-valve combination of fuel injector
Above part, each sensor passes through conducting wire and is connected to capture card, the signal measured is transferred to capture card, capture card connects work
Control machine, the acquired clamping of industrial personal computer are received the signal from each sensor, are judged according to these signals, then acquired card issues control
Signal.
As shown in figure 4, test monitor and control system software structure is broadly divided into two modules, it is data acquisition module and examination respectively
Selecting module is tested, for different tests, acquisition and processing display content are different, such as when doing magnetic valve performance experiment,
The switching time and duration of solenoid valve can be adjusted by control circuit, be primarily upon control current signal,
Valve chamber pressure signal and spool displacement signal.It simultaneously also can be in an experiment by adjusting different common rail pressures, to inquire into pressure
Influence of the power to electromagnetism response valve speed.And when doing the match test with fuel injector, concern is primarily with hydraulic booster pump pressures
Power, needle lift and valve chamber pressure signal, can be by only showing these signals on waveform diagram display panel.And
When doing solenoid valve reliability test, input parameter is fixed, and what is mainly inquired into is electromagnetism during working long hours
How response valve speed (valve chamber pressure signal, spool displacement signal) etc. changes if changing with time.
It advanced optimizes, in the present embodiment, test platform further includes solenoid valve driving module, and solenoid valve driving module is used for
Receive the control signal of pilot solenoid valve TT&C system and drive magnetic valve movement；The industrial personal computer of pilot solenoid valve TT&C system is sent out
Solenoid-driven signal realizes the control to solenoid-driven to driving circuit for electromagnetic valve out.Solenoid valve driving module can pass through
Drive magnetic valve and then driving fuel injector movement, principle are the current signals of current sample part acquisition output loop.Acquisition
Current signal compared with the current signal of setting, PID controls are amplified etc. between the error two signals and are handled, and by its
Amplified error signal is given to voltage pulse control chip.When there is error between the two, chip will change the electricity of its output
Duty ratio is pressed to change output electric current, until the stage of error very small (can ignore) between the two.When the electric current of its output
Error is very small between the electric current of setting, it is believed that is equal.Output electric current can be thus controlled by setting electric current signal
Signal.
It advanced optimizes, in the present embodiment, servo oil hydraulic system and fuel injection system share a hydraulic pump, the liquid
Press pump uses the dual-purpose oil pump of lubricating oil diesel oil, inside sets diesel oil oil circuit and lubricating oil oil circuit；Oil pump is driven by variable-frequency motor, variable-frequency motor
The parameter of variable-frequency motor is adjusted by an independent control panel control.In the present embodiment, the dual-purpose oil pump of lubricating oil diesel oil is adopted
With axial plunger pump, Caterpillar's oil pump, discharge capacity 8.865L/min, rated pressure 32MPa are specifically used, work turns
Speed is 1500r/min.Variable-frequency motor uses Y-series threephase asynchronous machine Y132S1-2, voltage rating 220V, rated power
3.63KW.Variable-frequency motor driving axial plunger pump gives servo oil to servo oil rail, gives fuel oil to hydraulic booster pump.
It advanced optimizes, in the present embodiment, capture card uses the R series of high speed data collecting card PCIe- of NI company
7851R connects each sensor by its input interface；It communicates industrial personal computer and selects SCB-68 type I/O and SHC68-68 type screen
Cable is covered, then driving circuit for electromagnetic valve is connect by its output interface.
It advanced optimizes, in the present embodiment, the collection device of fuel injection system is claimed using electronic-weighing and burette
The mode that heavy phase combines measures the distributive value of fuel injector, the energy multiple distributive value average value of precise measurement fuel injector, to verify electricity
Can magnet valve play control action to fuel injector.Collection device is connect with fuel oil box, and the fuel oil of collection is delivered to fuel oil oil
Case recycles.
It advanced optimizes, in the present embodiment, due to safety concerns, diesel pressure table is set on diesel fuel filter, to
Monitor the pressure of fuel injection system.
It advanced optimizes, in the present embodiment, due to safety concerns, common rail pressure table is set on servo oil rail, to supervise
Survey the pressure of servo oil hydraulic system.
It advanced optimizes, in the present embodiment, Multifunctional liquidometer is respectively arranged in servo oil fuel tank and fuel oil box, to sentence
Oily temperature and liquid level in oil-break case.
The arrangement of marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform of the present invention is as follows:
(1) inside testing stand: servo oil hydraulic system needed for arrangement electromagnetic valve work, fuel injection system and test are surveyed
Control system.To avoid the hydraulic oil corrosion contamination cable leaked, using servo oil circuit, diesel oil road and circuit mode arranged apart.
Left area is the auxiliary hydraulic system of test platform, such as motor, hydraulic pump and servo oil rail；Right area is the phase that fuel oil sprays oil circuit
Equipment is closed, such as: oil transfer pump, filter.
(2) outside testing stand: being disposed with solenoid valve and fuel injector clamping and fixing device, be used for solenoid valve exemplar, fuel injector
And the installation and positioning of sensor；Display panel is from left to right sequentially arranged, motor control button, shows on the outside of test platform
Lamp, servo oil rail pressure pressure gauge and diesel pressure table etc..
(3) testing stand electrical wiring cabinet: wiring cabinet one is divided into four layers, and top layer is disposed with display, keyboard and mouse etc.；
Each road signal amplifier of second layer arrangement and line related；Third layer arrangement drive circuit board and NI board etc.；Bottom arranges work
Control machine and line related.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform, which is characterized in that including
Servo oil hydraulic system, fuel injection system and pilot solenoid valve TT&C system；
The servo oil hydraulic system includes sequentially connected servo oil fuel tank, hydraulic pump, servo oil rail and solenoid valve；The combustion
Electronic fuel injection system includes sequentially connected fuel oil box, hydraulic pump, hydraulic booster pump, fuel injector and collection device；Servo oil liquid
The solenoid valve of pressure system and the hydraulic booster pump of fuel injection system connect, and the hydraulic booster pump two sides each lead into servo oil
With fuel oil, the pressure of hydraulic booster pump fuel oil side is determined by the on-off of servo oil side solenoid valve, and then drives the oil spout
Device oil spout；
The pilot solenoid valve TT&C system includes solenoid valve chamber pressure sensor, valve core displacement sensor, coil temperature biography
Sensor, hydraulic booster pump pressure sensor, oil-fuel injector needle-valve lift range sensor and industrial personal computer, the industrial personal computer inside are adopted equipped with NI
Truck and TT&C system based on virtual instrument；The solenoid valve chamber pressure sensor is set in the valve chamber of solenoid valve,
Valve core displacement sensor is set on the spool of solenoid valve, and coil temperature sensor is set on the coil of solenoid valve, and fluid power increases
Press pump pressure sensor is set on the on high-tension side high-pressure oil pipe of hydraulic booster pump, and oil-fuel injector needle-valve lift range sensor is set to spray
On the needle-valve of oily device, the signal of acquisition is sent in the industrial personal computer by each sensor by the NI capture card respectively, work
Control machine issues to the driving circuit of the solenoid valve after analyzing and determining to signal and controls signal.
2. marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform according to claim 1,
It is characterized in that, the servo oil hydraulic system and fuel injection system share a hydraulic pump, which uses lubricating oil bavin
The dual-purpose oil pump of oil, inside sets diesel oil oil circuit and lubricating oil oil circuit；The dual-purpose oil pump of lubricating oil diesel oil is driven by variable-frequency motor.
3. marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform according to claim 2,
It is characterized in that, the servo oil hydraulic system further includes pumping preceding flow valve, manual pressure regulating valve, safety valve；Flow before the pump
Valve is installed on the entrance of the hydraulic pump, for adjusting the oil pressure for being conveyed to servo oil rail；The manual pressure regulating valve is one
Triple valve is installed between hydraulic pump and servo oil rail, and two outlets are separately connected servo oil rail and servo oil fuel tank；The peace
Full valve is installed on the servo oil rail, and outlet connects the servo oil fuel tank.
4. marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform according to claim 1,
It is characterized in that, the servo oil hydraulic system further includes lubricating oil filter, the lubricating oil filter is set to servo oil fuel tank
Between hydraulic pump, the import of servo oil fuel tank connection lubricating oil filter, the outlet of lubricating oil filter connect hydraulic pump into
Mouthful.
5. marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform according to claim 1,
It is characterized in that, common rail pressure table is arranged on the servo oil rail, to monitor the pressure of servo oil hydraulic system.
6. marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform according to claim 1,
It is characterized in that, the test platform further includes solenoid valve driving module, the solenoid valve driving module includes the driving electricity
Road, the solenoid valve driving module are used to receive the control signal of pilot solenoid valve TT&C system and drive the electromagnetism valve actuation
Make；The industrial personal computer of the pilot solenoid valve TT&C system issues solenoid-driven signal to driving circuit for electromagnetic valve, realizes to electricity
The control of magnet valve driving.
7. marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform according to claim 1,
It is characterized in that, the collection device of the fuel injection system is surveyed in such a way that electronic-weighing and burette weighing combine
The distributive value of fuel injector, the energy multiple distributive value average value of precise measurement fuel injector are measured, the collection device is connect with fuel oil box,
The fuel oil of collection is delivered to fuel oil box to recycle.
8. marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform according to claim 1,
It is characterized in that, all sensors are connected to the capture card, the capture card connects the industrial personal computer, and industrial personal computer is through adopting
Truck receives the signal from each sensor, is judged according to these signals, then acquired card issues control signal.
9. marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform according to claim 1,
It is characterized in that, the fuel injection system further includes diesel fuel filter, the diesel fuel filter is set to hydraulic pump and fluid power
Between booster pump, the import of hydraulic pump connection diesel fuel filter, the outlet connection hydraulic booster pump of diesel fuel filter into
Mouthful；The diesel fuel filter is equipped with diesel pressure table.
10. marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform according to claim 1,
It is characterized in that, the TT&C system includes data acquisition module and test selecting module, test selecting module can be according to being done
Test type selected, thus according to adjustment data acquisition module determine needed for signal to be shown, the guarantor of test data
There is two ways, first is that automatically saving, first is that saving manually, default is to automatically save；Test data analyzer module will pass
After the collected data of sensor are analyzed and processed, be converted into voltage signal as required, the same interface carry out display with
Storage；Previous test data can be finally read out in data inquiry module.
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| CN201910688220.0A CN110374778A (en) | 2019-07-29 | 2019-07-29 | Marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform |
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| CN201910688220.0A CN110374778A (en) | 2019-07-29 | 2019-07-29 | Marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform |
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Cited By (5)
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| CN111735633A (en) * | 2020-06-10 | 2020-10-02 | 中国航发北京航科发动机控制系统科技有限公司 | Pressure load loading and strain online test system for fuel oil electric control regulator |
| CN114263555A (en) * | 2021-09-09 | 2022-04-01 | 泰安九和智能设备有限公司 | Micro-ship engine fuel sprayer calibration equipment |
| CN114689127A (en) * | 2022-05-19 | 2022-07-01 | 洛阳拖拉机研究所有限公司 | Oil delivery pump oil-gas rail assembly testing device and testing method |
| CN115898730A (en) * | 2022-11-08 | 2023-04-04 | 哈尔滨工程大学 | Marine heavy oil pressure accumulator device applied to constant volume bomb |
| CN116973094A (en) * | 2023-08-01 | 2023-10-31 | 武汉万曦智能科技有限公司 | Automatic test control system for safety valve |
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