CN206338149U - A kind of electric-controlled fuel injector atomization detecting device - Google Patents
A kind of electric-controlled fuel injector atomization detecting device Download PDFInfo
- Publication number
- CN206338149U CN206338149U CN201621480934.0U CN201621480934U CN206338149U CN 206338149 U CN206338149 U CN 206338149U CN 201621480934 U CN201621480934 U CN 201621480934U CN 206338149 U CN206338149 U CN 206338149U
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- fuel injector
- electric
- injection pump
- oil
- controlled fuel
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The utility model discloses a kind of electric-controlled fuel injector atomization detecting device, including moveable chamber type workstation, fuel tank, oil return box and fuel filter are respectively equipped with workbench, fuel filter one end is connected by oil pipe with fuel tank, the other end is connected with injection pump by oil pipe, on the table positioned at governor motion of the side of injection pump provided with control amount of fuel delivered of oil jetting pump；Side is provided with sealing arrangement and transparent box spray chamber on the table, the mobile high-pressure common rail pipe for being used to install electric-controlled fuel injector being connected with injection pump is provided with the side of spray chamber, the adjusting bracket of adjustable high-pressure common-rail pipe position is additionally provided with the table；The ECU control units for controlling electric-controlled fuel injector to open and close that the detection means also includes monitoring computer and is connected with the monitoring computer.The utility model is simple in construction, meets the detection requirement of different model fuel injector, and accuracy of detection is high, low cost.
Description
Technical field
The utility model is related to fuel injector technical field of measurement and test, more specifically, it relates to which a kind of electric-controlled fuel injector is atomized
Detection means.
Background technology
During engine research, development, fuel injector is the important component in diesel fuel system, its working condition (such as mist
Change situation) quality directly affect the service behaviour of diesel engine, with performance, economic performance and discharge performance, therefore, in spray
Strict atomized spray is carried out to fuel injector to test, be to ensure locomotive economic performance, power performance and discharge before oily device installation
The key that performance is normally played.In many characteristics of fuel injector, atomization characteristics and fuel injection characteristic characteristic will be directly affected and started
The working characteristics of machine, is electric-controlled fuel injector research, exploitation, trial-production and the key property index examined, in order to detect electronic control injection
The atomization situation of device, current enterprise is to introduce diesel injector performance comprehensive testing platform from foreign countries to be tested mostly, but by
In the high cost of testing stand itself, also, the selectivity of testing stand is not enough, so as to influence the accuracy of detection of fuel injector, causes not
The application in terms of general delivery test, the after sale detection of failure feedback can be extended to, the testing stand has using limitation
Property, the demand of enterprise can not be met.
Utility model content
The technical problems to be solved in the utility model be for prior art it is above-mentioned deficiency there is provided a kind of compact conformation,
It is applied widely, fuel injector detection efficiency and the electric-controlled fuel injector atomization detecting device of accuracy of detection can be improved.
The technical solution of the utility model is such：A kind of electric-controlled fuel injector atomization detecting device, including it is moveable
Fuel tank, oil return box and fuel filter, described fuel filter are respectively equipped with chamber type workstation, described workbench
One end is connected by oil pipe with fuel tank, and the other end is connected with injection pump, described workbench by oil pipe is located at injection pump
Side provided with control amount of fuel delivered of oil jetting pump governor motion；Sealing arrangement and transparent case are provided with above described workbench
Formula spray chamber, described spray chamber side is provided with the mobile high-pressure for being used to install electric-controlled fuel injector being connected with injection pump and is total to
The adjusting bracket of adjustable high-pressure common-rail pipe position is additionally provided with rail pipe, described workbench；Described detection means also includes
The ECU control units that monitoring computer and the control electric-controlled fuel injector being connected with the monitoring computer are opened and closed.
As further improving, the injection pump that drives that described governor motion includes being installed on the workbench revolves
The motor and the frequency converter of controlled motor rotating speed turned, described motor passes through the shaft coupling with gear signal disk and injection pump phase
Even, the position sensor of measurable oil spout revolution speed is provided with injection pump.
Further, the silencing case for surrounding the motor, institute are provided with described workbench positioned at the lower section of spray chamber
The frequency converter stated is located at the front outer wall of the silencing case.
Further, the sustainable offer 24V power supplys being connected with the ECU control units are provided in described workbench
Converter, described workbench bottom is provided with multiple adjustable pulleys.
Further, described high-pressure common-rail pipe one end is provided with the pressure sensor of measurable common rail pipeline pressure, another
End, which is provided with, can make the pressure balanced pressure restrictor of common rail pipeline.
Further, described adjusting bracket is vertically arranged in the fixed pole on the workbench, lateral arrangement including a pair
The moveable horizontal stroke for being used to install the cross tube of the high-pressure common-rail pipe and be installed on the workbench in the fixed pole
To the sheer pole of arrangement, the bracing piece being connected with the spray chamber is additionally provided with the fixed pole of the close spray chamber side.
Further, the aspirator provided with a smokable test mist of oil at the top of described spray chamber, the aspirator leads to
Cross oil pipe with described oil return box to be connected, also, be provided between aspirator and oil return box by the liquefied integrated form of mist of oil
Cleaner liquefaction system.
Beneficial effect
The utility model compared with prior art, with advantages below：
1st, the utility model is simple in construction, easy to make, by setting a set of simulation electric-controlled fuel injector normal operating conditions
Detection means, realize the performances such as fast automatic detecting electric-controlled fuel injector electric shock sound, spray shapes, fuel injector sealing, detect
Efficiency high, testing cost is low；
2nd, detection means of the present utility model is continuous there is provided pressure by the governor motion of an adjustable amount of fuel delivered of oil jetting pump
Adjustable fuel oil, also, adjustable adjusting bracket is set on high-pressure common-rail pipe, it can measure and control fuel injector to open spray
Common rail pipeline pressure when penetrating, meets the detection requirement of different model electric-controlled fuel injector, and usage range is wide；
3rd, detection means of the present utility model can be moved arbitrarily at the scene, met the demand of different occasions, be can operate with bavin
Detection of the oil machine electric-controlled fuel injector in terms of research, production, maintenance service, can coordinate with BOSCH or the long tube of independent development
Tested, it is easy to popularization and application, while improving fuel injector detection efficiency, can also avoided using the fuel injection characteristic for carrying out common rail system
The problem of product development task is delayed caused by Equipment；
4th, the utility model compact conformation, flexible design is reasonable, whole common rail system software independent development, development cost
It is low, using simple, the atomization characteristics of detection electric-controlled fuel injector are directed to, its accuracy of detection is higher.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is governor motion and the structural representation of injection pump cooperation in the utility model；
Fig. 3 is the structural representation of the utility model mesohigh common rail pipe；
Fig. 4 is the structural representation of spray chamber in the utility model；
Fig. 5 is the structural representation of adjusting bracket in the utility model.
Wherein：1- workbench, 2- fuel tanks, 3- oil return boxes, 4- fuel filters, 5- injection pumps, 6- spray chambers, 7- are automatically controlled
Fuel injector, 8- high-pressure common-rail pipes, 9- adjusting brackets, 10- monitoring computers, 11-ECU control units, 12- motors, 13- frequency converters,
14- shaft couplings, 15- position sensors, 16- silencing cases, 17- converters, 18- pulleys, 19- pressure sensors, 20- pressure limits
Device, 21- aspirators, 9a- fixed poles, 9b- cross tubes, 9c- sheer poles, 9d- bracing pieces.
Embodiment
Specific embodiment in below in conjunction with the accompanying drawings is described further to the utility model.
Refering to Fig. 1-5, a kind of electric-controlled fuel injector atomization detecting device of the present utility model, including moveable box work
Platform 1, the workbench 1 is rectangle and hollow casing, and fuel tank 2, oil return box 3 and combustion are respectively equipped with workbench 1
Oil rectifier 4, fuel tank 2 is used to store fuel oil, and oil return box 3 is used to store the waste oil reclaimed, and one end of fuel filter 4 passes through
Oil pipe is connected with fuel tank 2, and the other end is connected with injection pump 5 by oil pipe, low-voltage fuel can be converted into height by injection pump 5
Compression ignition oil, positioned at governor motion of the side of injection pump 5 provided with the control distributive value of injection pump 5 on workbench 1, passes through the regulation
Mechanism adjusts the distributive value of injection pump 5, so that the distributive value of adjustable electrical control oil spray pump 5 to be detected, to meet different model
The detection of fuel injector；Sealing arrangement and transparent box spray chamber 6 are provided with the top of workbench 1, is easy to observe fuel injector
Atomization situation, the mobile high-pressure for being used to install electric-controlled fuel injector 7 being connected with injection pump 5 is provided with the side of spray chamber 6 and is total to
Rail pipe 8, the high-pressure common-rail pipe 8 both plays fuel distribution, may also function as the effect of pressure accumulation, and being additionally provided with workbench 1 can
The frame-type adjusting bracket 9 for being used to support high-pressure common-rail pipe 8 and fixed oil spout of regulation high-pressure common-rail pipe 8 position, passes through regulation
Support 9 adjusts the position of high-pressure common-rail pipe 8 to install the fuel injector of different model；The detection means also includes monitoring computer
10 and the ECU control units 11 that open and close of the control electric-controlled fuel injector 7 that is connected with the monitoring computer 10, monitoring computer 10 is mainly used in
The parameter setting such as the writing with a brush dipped in Chinese ink of the data of ECU control units 11, the pressure of high-pressure common-rail pipe 8, the rotating speed of injection pump 5, fuel injection pulse and
Monitoring.The utility model is simple in construction, easy to make, by setting a set of electric-controlled fuel injector 7 normal operating conditions simulated
Detection means, realizes the performances such as the electric shock sound of fast automatic detecting electric-controlled fuel injector 7, spray shapes, fuel injector sealing, detection effect
Rate is high, and testing cost is low.
Governor motion includes being installed on 12 turns of motor 12 and controlled motor driving the rotation of injection pump 5 on workbench 1
Speed frequency converter 13, by set frequency converter 13 parameter can controlled motor 12 frequency and rotating speed, motor 12 pass through band tooth
The shaft coupling 14 of wheel signal panels is connected with injection pump 5, and stable drive is provided with the position of the measurable rotating speed of injection pump 5 on injection pump 5
Sensor 15 is put, the position sensor 15 is located at the joining place of injection pump 5 and shaft coupling 14, during work, turn of collection injection pump 5
Fast signal simultaneously passes to monitoring computer 10, realizes monitoring in real time or change parameter；It is located at the lower section of spray chamber 6 on workbench 1
Provided with the silencing case 16 for surrounding motor 12, the size shape of the silencing case 16 and spray chamber 6 is adapted, and prevents noise pollution,
Wherein, frequency converter 13 is located at the front outer wall of the silencing case 16, is easy to operating personnel's setup parameter.
The converter 17 for the sustainable offer 24V power supplys being connected with ECU control units 11 is provided in workbench 1, can
High voltage power supply is converted into voltage source, multiple adjustable pulleys 18 is provided with the bottom of workbench 1, is easy to promote whole detection
Device, and the pulley 18 correspondingly regulation can be such that whole detection means fixes at the scene somewhere, prevent in detection process,
Detection means, which is freeed, rocks；The pressure sensor 19 of measurable common rail pipeline pressure, the other end are provided with the one end of high-pressure common-rail pipe 8
Provided with can make the pressure balanced pressure restrictor 20 of common rail pipeline, pressure sensor 19 and pressure restrictor 20 by wire harness with
ECU control units 11 are connected, it is ensured that the accuracy of signal transmission；Its adjusting bracket 9 is vertically arranged on workbench 1 including a pair
Fixed pole 9a, moveable cross tube 9b and the installation for being used to install high-pressure common-rail pipe 8 that is transversely arranged on fixed pole 9a
In the sheer pole 9c of the lateral arrangement on workbench 1, wherein, cross tube 9b and sheer pole 9c are parallel to each other, and operationally, pass through
Regulation cross tube 9b is the change in location that high-pressure common-rail pipe 8 and electric-controlled fuel injector 7 can be achieved, in determining close to the side of spray chamber 6
The bracing piece 9d being connected with spray chamber 6 is additionally provided with bar 9a, bracing piece 9d two ends are separately fixed at spray chamber 6 and cross bar 9a
On, improve the stability of adjusting bracket 9；In aspirator 21 of the top of spray chamber 6 provided with a smokable test mist of oil, this is taken out
Device 21 is inhaled by oil pipe with oil return box 3 to be connected, also, provided with mist of oil is liquefied between aspirator 21 and oil return box 3
The cleaner liquefaction system (not shown) of integrated form, will be recycled to oil return box 3 after test oil spray film, prevent from testing mist of oil
Contaminated air, meanwhile, the outside of electric-controlled fuel injector 7 with collection box 3 is connected provided with spill port and by oil pipe, during oil spout,
The fuel oil revealed at needle-valve targeting part, control sleeve and the plunger gap of fuel injector is back to oil return by spill port and oil pipe
In case 3, fuel oil leakage pollution environment is prevented, testing cost is effectively saved.
A kind of electric-controlled fuel injector is atomized detection method, and this method, which is that design is a kind of, includes workbench 1, fuel tank 2, oil return box
3rd, the detection dress of fuel filter 4, injection pump 5, spray chamber 6, high-pressure common-rail pipe 8, monitoring computer 10 and ECU control units 11
Put, by oil pipe by fuel tank 2, fuel filter 4, injection pump 5, high-pressure common-rail pipe 8, electric-controlled fuel injector 7 to be detected and
Oil return box 3 is sequentially connected to form fuel circuit, realizes the working condition of simulation electric-controlled fuel injector 7, then will be supervised by wire harness
Control computer 10 and ECU control units 11, high-pressure common-rail pipe 8, injection pump 5 and electric-controlled fuel injector 7 to be detected are connected together to
Control system, realizes the real-time working for automatically controlling electric-controlled fuel injector 7, so as to be rapidly completed the inspection of the atomization to electric-controlled fuel injector 7
Survey, specific operating procedure is as follows：
Step 1, the power supply for connecting detection means, the normal work of injection pump 5, from the draw fuel of fuel tank 2 to fuel cleaning
Device 4 is filtered, and then low-voltage fuel is converted into high pressure fuel and high-pressure common-rail pipe 8 is delivered to by injection pump 5；
Step 2, high-pressure common-rail pipe 8 make high pressure fuel in common rail pipe by fuel distribution to electric-controlled fuel injector 7 to be checked
Pressure accumulation in road, meanwhile, set pressure sensor 19 to be connected with ECU control units 11 in one end of high-pressure common-rail pipe 8, the other end is set
Put pressure restrictor 20 with ECU control units 11 to be connected, during work, pressure sensor 19 is by the real-time rail in high-pressure common-rail pipe 8
Pressure value feeds back to ECU control units 11, and when the rail pressure value in high-pressure common-rail pipe 8 occurs abnormal, pressure restrictor 20 rapidly will
The pressure of high-pressure common-rail pipe 8 carries out drainage, fuel oil is back to by oil pipe in fuel tank 2；
Step 3, ECU control units 11 send signal to electric-controlled fuel injector 7 to be detected, control the electricity of electric-controlled fuel injector 7
Magnet valve is opened and closed, and the fuel oil in high-pressure common-rail pipe 8 is injected into mist with optimal injection timing, distributive value and fuel injection characteristic
Change in room 6, the atomization of detection electric-controlled fuel injector 7 in real time can be achieved by observation in the circulation oil spout work of spray chamber 6 for fuel injector
Situation；
Step 4, the top setting aspirator 21 in spray chamber 6, are drawn the test mist of oil in spray chamber 6 by oil pipe
Liquefied, be then back to by oil pipe in oil return box 3 to integrated filter system, reach the purpose of environmental protection.
It is preferred that, in step 1, motor 12, shaft coupling 14 and frequency converter 13 and its are set respectively in the side of injection pump 5
It is connected to control the working frequency of injection pump 5, also, also sets up on injection pump 5 position sensing of the measurable rotating speed of injection pump 5
Device 15 to be connected with monitoring computer 10 and automatically control the purpose of distributive value to reach.
Above-described is only preferred embodiment of the present utility model, it should be pointed out that come for those skilled in the art
Say, on the premise of the utility model structure is not departed from, several modifications and improvements can also be made, these are all without this reality of influence
With the effect and practical applicability of new implementation.
Claims (7)
1. a kind of electric-controlled fuel injector atomization detecting device, it is characterised in that described including moveable chamber type workstation (1)
Fuel tank (2), oil return box (3) and fuel filter (4), described fuel filter (4) one are respectively equipped with workbench (1)
End is connected by oil pipe with fuel tank (2), and the other end is connected with injection pump (5), described workbench (1) by oil pipe to be located at
Governor motion of the side of injection pump (5) provided with control injection pump (5) distributive value；Provided with sealing above described workbench (1)
Arrange and transparent box spray chamber (6), described spray chamber (6) side be provided be connected with injection pump (5) for installing
Adjustable high-pressure common-rail pipe is additionally provided with the mobile high-pressure common rail pipe (8) of electric-controlled fuel injector (7), described workbench (1)
(8) adjusting bracket (9) of position；Described detection means also includes monitoring computer (10) and is connected with the monitoring computer (10)
The ECU control units (11) for controlling electric-controlled fuel injector (7) to open and close.
2. a kind of electric-controlled fuel injector atomization detecting device according to claim 1, it is characterised in that described governor motion
Including the motor (12) and controlled motor (12) rotating speed that drive injection pump (5) to rotate being installed on the workbench (1)
Frequency converter (13), described motor (12) is connected by the shaft coupling (14) with gear signal disk with injection pump (5), in injection pump
(5) it is provided with the position sensor (15) of measurable injection pump (5) rotating speed.
3. a kind of electric-controlled fuel injector atomization detecting device according to claim 2, it is characterised in that described workbench
(1) silencing case (16) for surrounding the motor (12), described frequency converter (13) position are provided with positioned at the lower section of spray chamber (6)
In the front outer wall of the silencing case (16).
4. a kind of electric-controlled fuel injector atomization detecting device according to claim 1, it is characterised in that described workbench
(1) converter (17) for the sustainable offer 24V power supplys being connected with the ECU control units (11), described work are provided in
Make platform (1) bottom provided with multiple adjustable pulleys (18).
5. a kind of electric-controlled fuel injector atomization detecting device according to any one in claim 1-4, it is characterised in that institute
High-pressure common-rail pipe (8) one end stated is provided with the pressure sensor (19) of measurable common rail pipeline pressure, and the other end is common provided with that can make
The pressure restrictor (20) of rail pipeline pressure balance.
6. a kind of electric-controlled fuel injector atomization detecting device according to claim 5, it is characterised in that described adjusting bracket
(9) include a pair be vertically arranged in the fixed pole (9a) on the workbench (1), be transversely arranged on may move in the fixed pole (9a)
Be used for the cross tube (9b) of the high-pressure common-rail pipe (8) is installed and the lateral arrangement that is installed on the workbench (1)
Sheer pole (9c), is additionally provided with the reinforcement being connected with the spray chamber (6) in the fixed pole (9a) of the close spray chamber (6) side
Bar (9d).
7. a kind of electric-controlled fuel injector atomization detecting device according to claim 1, it is characterised in that described spray chamber
(6) aspirator (21) of the top provided with a smokable test mist of oil, the aspirator (21) passes through oil pipe and described oil return
Case (3) is connected, also, is provided between aspirator (21) and oil return box (3) by the cleaner liquid of the liquefied integrated form of mist of oil
Change system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480934.0U CN206338149U (en) | 2016-12-30 | 2016-12-30 | A kind of electric-controlled fuel injector atomization detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621480934.0U CN206338149U (en) | 2016-12-30 | 2016-12-30 | A kind of electric-controlled fuel injector atomization detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206338149U true CN206338149U (en) | 2017-07-18 |
Family
ID=59304173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621480934.0U Expired - Fee Related CN206338149U (en) | 2016-12-30 | 2016-12-30 | A kind of electric-controlled fuel injector atomization detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206338149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523231A (en) * | 2016-12-30 | 2017-03-22 | 广西玉柴机器股份有限公司 | Detecting device and method for electric controlled fuel sprayer atomization |
-
2016
- 2016-12-30 CN CN201621480934.0U patent/CN206338149U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106523231A (en) * | 2016-12-30 | 2017-03-22 | 广西玉柴机器股份有限公司 | Detecting device and method for electric controlled fuel sprayer atomization |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20211230 |