CN206681898U - A kind of high pressure fuel injector analysis of experiments device - Google Patents
A kind of high pressure fuel injector analysis of experiments device Download PDFInfo
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- CN206681898U CN206681898U CN201720439512.7U CN201720439512U CN206681898U CN 206681898 U CN206681898 U CN 206681898U CN 201720439512 U CN201720439512 U CN 201720439512U CN 206681898 U CN206681898 U CN 206681898U
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Abstract
It the utility model is related to a kind of high pressure fuel injector analysis of experiments device, including hydraulic pressure oil test set, air movement device, and high-speed photography equipment；Wherein described air movement device includes being used for the pneumatic fitting for being passed through driving air, the blast regulating valve being connected with pneumatic fitting, and the air booster being connected with blast regulating valve；The hydraulic pressure oil test set includes the high-pressure oil pump driven by the air booster, the supply reservoir being connected with high-pressure oil pump entrance, with the high-pressure hose of high-pressure oil pump outlet connection, the tested fuel injector being connected with high-pressure hose, and what is be connected with the fuel injector are used to reclaim the transparent observing fuel tank that the fuel injector sprays mist of oil；The high-speed photography equipment includes being installed on the high-speed camera for being used to shoot fuel injector ejection mist of oil state of the transparent observing fuel tank front end.
Description
Technical field
A kind of fuel injector analysis of experiments device is the utility model is related to, more particularly to one kind realizes that test pressure is higher, from
The high pressure fuel injector analysis of experiments device that dynamicization is more preferable and precision is higher.
Background technology
The fuel injector manufacture of diesel engine requires very high, because the atomization quality of fuel injector directly determines the power of diesel engine
Property, economy and emission performance, it is therefore desirable to ensure the atomization quality of fuel injector.The spraying of the diesel spray of detection evaluation at present
Quality（Such as atomization characteristics, particle property and discharge characteristic）It is general only to lean on eye-observation, or some low pressure atomizings to use
Video camera is imaging shooting, and the high pressure fuel injector detection to some large ship diesel engines, which also exists, detects inaccurate lack
Fall into, be unfavorable for the development of large-scale diesel engine spray technique.
Utility model content
The purpose of this utility model is to provide a kind of high pressure fuel injector analysis of experiments device, to realize that mounting structure is simple,
Higher test pressure is provided, automaticity is higher, and precision is higher and the technology effect of quick analysis fuel injector atomization quality
Fruit.
In order to solve the above-mentioned technical problem, the utility model provides technical scheme and is：A kind of high pressure fuel injector experiment point
Analysis apparatus, including hydraulic pressure oil test set, air movement device, and high-speed photography equipment；Wherein described air movement device
Including for be passed through driving air pneumatic fitting, the blast regulating valve being connected with pneumatic fitting, and with blast regulating valve phase
Air booster even；The hydraulic pressure oil test set includes the high-pressure oil pump driven by the air booster, with hydraulic oil
The supply reservoir connected at pump inlet, the high-pressure hose with high-pressure oil pump outlet connection, what is be connected with high-pressure hose is tested
Fuel injector, and what is be connected with the fuel injector are used to reclaim the transparent observing fuel tank that the fuel injector sprays mist of oil；The high speed is taken the photograph
Shadow equipment includes being installed on is used to shoot the high-speed camera that fuel injector sprays mist of oil state immediately ahead of the transparent observing fuel tank
Machine；The high-pressure oil pump of setting can provide higher test pressure.
Further, described hydraulic pressure oil test set also includes being connected between high-pressure oil pump outlet and high-pressure hose
Hydraulic oil outlet connection；The high-pressure oil pump outlet is provided with distributor, the hydraulic oil among being connected with hydraulic oil outlet connection
The pump discharge other end is connected with supply reservoir, and high-pressure oil pump outlet among supply reservoir with being provided with oil pressure relief valve, the height
Force feed pump inlet is provided with filter and suction filter with supply reservoir junction.The filter ensures to enter hydraulic oil with suction filter
Pump is used for the clean free from admixture of hydraulic oil tested, and ensures that each pipeline is unimpeded and is not blocked.
Further, air cleaner is provided among pneumatic fitting and the blast regulating valve, in the blast regulating valve
Provided with air manometer；The air cleaner ensures the driving pure free from admixture of air, reduces experiment hydraulic oil in high-pressure oil pump
In secondary pollution.
Further, pressure sensor is provided among high-pressure oil pump and hydraulic oil the outlet connection connection, the pressure passes
Sensor is connected with a digital display operating pressure table for being used to show operating pressure.
Further, the timing continuous control that the high-speed photography equipment is also included with the high-speed camera mechatronics should
The controlling switch that high-speed camera is shot, and sprayed with the quickly presentation fuel injector that is used for of the high-speed camera mechatronics
The oil atomization degree penetrated and the computer generated image device of oily particle sizes；The computer generated image device can be observed intuitively by a high speed
The fuel injector that video camera shooting imports sprays the striograph of mist of oil, so as to judge that the ejection elaioleucite state of fuel injector and mist of oil are close
The atomization quality situations such as degree.
Further, the high pressure fuel injector analysis of experiments device also includes control system, and the control system includes electromagnetism
Valve control module, the solenoid valve control module pass through electromagnetism connecting cable and the air manometer, blast regulating valve, high pressure
Digital display operating pressure table and oil pressure the relief valve connection of oil export；The distributor is power distribution isolator, described for isolating
Electromagnetism connecting cable, reduce cable between influence each other.
Further, the control system also includes operating desk, and the operating desk includes electromagnetism testing button, and injection is pressed
Button, injecting time joystick, and injection lamp；The air manometer, digital display operating pressure table, and controlling switch are pacified
Loaded on operating desk.When wherein described jet button is pressed, injection lamp lights.
Further, the electromagnetism testing button is connected with the electromagnetism connecting cable, and the electromagnetism testing button is used for single
Solely control the blast regulating valve and the break-make of oil pressure relief valve；Be provided with the upside of the electromagnetism testing button red led and
Green indicating lamp, the red led represent that work is abnormal, and the green indicating lamp represents working properly；Carry out electromagnetism survey
Examination can ensure that the blast regulating valve and oil pressure relief valve can normal works in test.
Further, the operating desk also includes a fuel injector device for being used to install fuel injector, and is installed on the behaviour
Make on platform for high-speed camera bracket that the high-speed camera is fixed on immediately ahead of the transparent observing fuel tank；The height
Fast video camera bracket is rotatably to be articulated and connected with the operating desk.
The beneficial effects of the utility model are：The utility model is by setting high-speed photography equipment, by the photograph of modernization
Technology is mutually identified with figure and analytical technology, the quantizating index applied to the atomization quality index of fuel injector（Atomization characteristics, granularity are special
Property, discharge characteristic）Detection research；It is quantitative by these three characteristics figure phase, data, table curve pattern show, print out
And storage；Make detection more directly perceived, automaticity is more preferable and precision is higher.And the utility model sets high-pressure oil pump,
Higher test pressure can be provided, and valve regulation is adjusted by blast and drives air intake, test hydraulic pressure can be adjusted
The pressure of oil, meets the test requirements document of the fuel injector of different pressures.The utility model is additionally provided with electromagnetism testing button, can test
It is preceding by electromagnetism testing button test blast regulating valve and oil pressure relief valve whether normal work, ensure in test process
Security.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the circuit structure diagram of high pressure fuel injector analysis of experiments device of the present utility model；
Fig. 2 is the positive structure schematic of high pressure fuel injector analysis of experiments device of the present utility model；
Fig. 3 is the side structure schematic diagram of high pressure fuel injector analysis of experiments device of the present utility model；
In figure：Pneumatic fitting 1, blast regulating valve 2, air booster 3, high-pressure oil pump 4, supply reservoir 5, high-pressure hose 6,
Fuel injector 7, transparent observing fuel tank 8, high-speed camera 9, hydraulic oil outlet connection 10, distributor 11, oil pressure relief valve 12, filtering
Device 13, suction filter 14, air cleaner 15, air manometer 16, pressure sensor 17, digital display operating pressure table 18, control are opened
When closing 19, computer generated image device 20, electromagnetism connecting cable 21, operating desk 22, electromagnetism testing button 23, jet button 24, injection
Between joystick 25, injection lamp 26, fuel injector device 27, high-speed camera bracket 28.
Embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Only illustrate basic structure of the present utility model in a schematic way, therefore it only shows the composition relevant with the utility model.
Embodiment 1：
As Figure 1-3, the utility model provides a kind of high pressure fuel injector analysis of experiments device, including hydraulic oil test
Device, air movement device, and high-speed photography equipment；Wherein described air movement device includes being used to be passed through driving air
Pneumatic fitting 1, the blast regulating valve 2 being connected with pneumatic fitting 1, and the air booster 3 being connected with blast regulating valve 2；Institute
The high-pressure oil pump 4 that hydraulic pressure oil test set includes being driven by the air booster 3 is stated, is connected with the entrance of high-pressure oil pump 4
Supply reservoir 5, with high-pressure oil pump 4 outlet connection high-pressure hose 6, the tested fuel injector 7 being connected with high-pressure hose 6 and
And what is be connected with the fuel injector 7 is used to reclaim the transparent observing fuel tank 8 that the fuel injector 7 sprays mist of oil；The high-speed photography is set
It is standby to include being installed on the high-speed camera for being used to shoot the ejection mist of oil state of fuel injector 7 in the front of transparent observing fuel tank 8
9；The high-pressure oil pump 4 of setting can provide higher test pressure.
Specifically, described hydraulic pressure oil test set is also exported between high-pressure hose 6 including being connected to high-pressure oil pump 4
Hydraulic oil outlet connection 10；The outlet of high-pressure oil pump 4 is connected centre with hydraulic oil outlet connection 10 and is provided with distributor 11, described
High-pressure oil pump 4 exports the other end and is connected with supply reservoir 5, and the high-pressure oil pump 4 outlet discharges with being provided with oil pressure among supply reservoir 5
Valve 12, the import of high-pressure oil pump 4 are provided with filter 13 and suction filter 14 with the junction of supply reservoir 5.The filter 13 with
Suction filter 14 ensures to enter the clean free from admixture of hydraulic oil that high-pressure oil pump 4 is used to test, ensures that each pipeline is unimpeded and be not blocked.
With being provided with air cleaner 15 among blast regulating valve 2, the blast regulating valve 2 is provided with the pneumatic fitting 1
Air manometer 16；Specifically, the blast regulating valve 2 is connected with described air booster 3, the high pressure is driven for adjusting
The driving air pressure of oil pump 4, meets the test requirements document of different pressures fuel injector 7；The air cleaner 15 ensures that driving is empty
The pure free from admixture of gas, reduce secondary pollution of the experiment hydraulic oil in high-pressure oil pump 4.
The high-pressure oil pump 4 is connected centre with hydraulic oil outlet connection 10 and is provided with pressure sensor 17, the pressure sensor
17 are connected with a digital display operating pressure table 18 for being used to show operating pressure.
The high-speed photography equipment also includes the timing continuous control high-speed camera electrically connected with the high-speed camera 9
The controlling switch 19 that machine 9 is shot, and the quickly presentation fuel injector 7 that is used for electrically connected with the high-speed camera 9 spray
Oil atomization degree and oily particle sizes computer generated image device 20；The computer generated image device 20 can be observed intuitively by height
The fuel injector 7 that the shooting of fast video camera 9 imports sprays the striograph of mist of oil, so as to judge the ejection elaioleucite state of fuel injector 7 and
The atomization quality situation such as mist of oil density.
The analysis of experiments device of high pressure fuel injector 7 also includes control system, and the control system includes solenoid valve control mould
Block, the solenoid valve control module pass through electromagnetism connecting cable 21 and the air manometer 16, blast regulating valve 2, hydraulic oil
The digital display operating pressure table 18 and oil pressure relief valve 12 of outlet connect；The distributor 11 is power distribution isolator, for isolating
The electromagnetism connecting cable 21, reduce cable between influence each other.
The control system also includes operating desk 22, and the operating desk 22 includes electromagnetism testing button 23, jet button 24,
Injecting time joystick 25, and injection lamp 26；The air manometer 16, digital display operating pressure table 18, and control are opened
19 are closed to be mounted on operating desk 22.When wherein described jet button 24 is pressed, injection lamp 26 lights.
The electromagnetism testing button 23 is connected with the electromagnetism connecting cable 21, and the electromagnetism testing button 23 is used to individually control
Make the blast regulating valve 2 and the break-make of oil pressure relief valve 12；The upside of electromagnetism testing button 23 is provided with red led
And green indicating lamp, the red led represent that work is abnormal, the green indicating lamp represents working properly；Carry out electromagnetism
Test can ensure that the blast regulating valve 2 and oil pressure relief valve 12 can normal works in test.
The operating desk 22 also includes a fuel injector device 27 for being used to install fuel injector 7, and is installed on the operating desk
The high-speed camera bracket 28 for being used to the high-speed camera 9 being fixed on the front of transparent observing fuel tank 7 on 22, should
High-speed camera bracket 28 is rotatably to be articulated and connected with the operating desk 22.
Specifically, the analysis of experiments device job step of a kind of high pressure fuel injector 7 provided by the utility model is：Start to test
Before, press electromagnetism testing button 23, test blast regulating valve 2 and oil pressure relief valve 12 whether normal work；When starting experiment,
The driving air entered by pneumatic fitting 1 is adjusted by blast regulating valve 2, the air pressure after regulation passes through air manometer 16
It has been shown that, is pressurized so as to drive high-pressure oil pump 4 to work by air booster 3, the hydraulic oil in supply reservoir 5 is passed through into filter
13 and suction filter 14 filtering after enter high-pressure oil pump 4 in pressurize, the hydraulic oil after pressurization pass through the exit of high-pressure oil pump 4 connect
The hydraulic oil outlet connection 10 that connects enters high-pressure hose 6, then be input in the fuel injector 7 that the high-pressure hose 6 connects prepare into
Row oil spout is tested, and now digital display operating pressure table 18 shows specific works pressure, is adjusted by injecting time joystick 25
Injecting time, and press jet button 24 and sprayed；And high-speed photography equipment starts simultaneously at work while 7 oil spout of fuel injector
Make, record oil spout situation.When terminating experiment, oil pressure relief valve 12 is opened, and high-pressure and hydraulic oil pressure is discharged, returns to supply reservoir
In 5.
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, pass through above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
The content being not limited to new technical scope on specification, it is necessary to which its technology is determined according to right
Property scope.
Claims (9)
- A kind of 1. high pressure fuel injector analysis of experiments device, it is characterised in that：Including hydraulic pressure oil test set, air movement device, And high-speed photography equipment；WhereinThe air movement device includes the blast regulation for being used for the pneumatic fitting for being passed through driving air, being connected with pneumatic fitting Valve, and the air booster being connected with blast regulating valve；The hydraulic pressure oil test set includes the high-pressure oil pump driven by the air booster, is connected with high-pressure oil pump entrance Supply reservoir, with high-pressure oil pump outlet connection high-pressure hose, the tested fuel injector being connected with high-pressure hose, Yi Jiyu Fuel injector connection is used to reclaim the transparent observing fuel tank that the fuel injector sprays mist of oil；The fuel injector that is used to shoot that the high-speed photography equipment is included immediately ahead of the transparent observing fuel tank sprays mist of oil shape The high-speed camera of state.
- A kind of 2. high pressure fuel injector analysis of experiments device according to claim 1, it is characterised in that：Described hydraulic oil is surveyed The hydraulic oil outlet connection for also including being connected between high-pressure oil pump outlet and high-pressure hose is put in trial assembly；The high-pressure oil pump outlet is provided with distributor among being connected with hydraulic oil outlet connection, and the high-pressure oil pump exports the other end Be connected with supply reservoir, high-pressure oil pump outlet with being provided with oil pressure relief valve among supply reservoir, the high-pressure oil pump import and Supply reservoir junction is provided with filter and suction filter.
- A kind of 3. high pressure fuel injector analysis of experiments device according to claim 2, it is characterised in that：The pneumatic fitting with Air cleaner is provided among blast regulating valve, the blast regulating valve is provided with air manometer.
- A kind of 4. high pressure fuel injector analysis of experiments device according to claim 3, it is characterised in that：The high-pressure oil pump with Pressure sensor is provided among the connection of hydraulic oil outlet connection, the pressure sensor is connected with a number for being used to show operating pressure Aobvious operating pressure table.
- A kind of 5. high pressure fuel injector analysis of experiments device according to claim 4, it is characterised in that：The high-speed photography is set The standby controlling switch for also including being shot with the timing continuous control of the high-speed camera mechatronics high-speed camera, with And with the high-speed camera mechatronics based on the quickly oil atomization degree of presentation fuel injector injection and oily particle sizes Calculation machine imager.
- A kind of 6. high pressure fuel injector analysis of experiments device according to claim 5, it is characterised in that：The high pressure fuel injector Analysis of experiments device also includes control system, and the control system includes solenoid valve control module, and the solenoid valve control module is led to Cross electromagnetism connecting cable and the air manometer, blast regulating valve, the digital display operating pressure table and oil pressure of high pressure oil export Relief valve connects.
- A kind of 7. high pressure fuel injector analysis of experiments device according to claim 6, it is characterised in that：The control system is also Including operating desk, the operating desk includes electromagnetism testing button, jet button, injecting time joystick, and injection lamp；With AndThe air manometer, digital display operating pressure table, and controlling switch are mounted on operating desk.
- A kind of 8. high pressure fuel injector analysis of experiments device according to claim 7, it is characterised in that：The electromagnetism test is pressed Button is connected with the electromagnetism connecting cable, and the electromagnetism testing button is used to individually control the blast regulating valve and oil pressure to discharge The break-make of valve.
- A kind of 9. high pressure fuel injector analysis of experiments device according to claim 8, it is characterised in that：The operating desk also wraps A fuel injector device for being used to install fuel injector is included, and is installed on the operating desk and is used to fix the high-speed camera High-speed camera bracket immediately ahead of the transparent observing fuel tank；The high-speed camera bracket and the operating desk are rotatable Be articulated and connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720439512.7U CN206681898U (en) | 2017-04-25 | 2017-04-25 | A kind of high pressure fuel injector analysis of experiments device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720439512.7U CN206681898U (en) | 2017-04-25 | 2017-04-25 | A kind of high pressure fuel injector analysis of experiments device |
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| CN206681898U true CN206681898U (en) | 2017-11-28 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111434916A (en) * | 2019-01-14 | 2020-07-21 | 中国船舶重工集团公司第七一一研究所 | Simplified testing device suitable for mechanical oil sprayer capacity bullet spraying test |
| CN113175404A (en) * | 2021-04-27 | 2021-07-27 | 中船澄西船舶修造有限公司 | Oil sprayer atomization test bed and test method |
-
2017
- 2017-04-25 CN CN201720439512.7U patent/CN206681898U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111434916A (en) * | 2019-01-14 | 2020-07-21 | 中国船舶重工集团公司第七一一研究所 | Simplified testing device suitable for mechanical oil sprayer capacity bullet spraying test |
| CN113175404A (en) * | 2021-04-27 | 2021-07-27 | 中船澄西船舶修造有限公司 | Oil sprayer atomization test bed and test method |
| CN113175404B (en) * | 2021-04-27 | 2024-02-02 | 中船澄西船舶修造有限公司 | Atomization test bed and method for oil sprayer |
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