CN203146188U - Electronic fuel injector flow performance batch detecting system - Google Patents
Electronic fuel injector flow performance batch detecting system Download PDFInfo
- Publication number
- CN203146188U CN203146188U CN 201320128364 CN201320128364U CN203146188U CN 203146188 U CN203146188 U CN 203146188U CN 201320128364 CN201320128364 CN 201320128364 CN 201320128364 U CN201320128364 U CN 201320128364U CN 203146188 U CN203146188 U CN 203146188U
- Authority
- CN
- China
- Prior art keywords
- fuel
- oil sprayer
- electric
- flow performance
- fuel injector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Fuel-Injection Apparatus (AREA)
Abstract
The utility model relates to an electronic fuel injector flow performance batch detecting system. A plurality of measuring cylinders are placed on corresponding precise electronic scales. A value of each precise electronic scale is read by an upper computer through a multi-serial port card. The upper computer or a fuel injector control panel sends parameter data to an 89C52 single chip microcomputer system, a control signal is output by an 89C52 single chip microcomputer to an electric fuel pump which is located in a fuel tank, and fuel is sucked from the fuel tank and enters a fuel rail through a fuel filter and a thermostat. The fuel rail is provided with a plurality of electronic fuel injectors. A fuel injecting control signal is sent to a fuel injecting driving circuit by the 89C52 single chip microcomputer, so that the electronic fuel injectors are driven to inject the fuel to the corresponding measuring cylinders. A fuel pressure regulator connected with the fuel rail is connected to the fuel tank through a fuel return pipe. Multichannel automatic detection can be conducted on the flow performance of the electronic fuel injectors by the electronic fuel injector flow performance batch detecting system, control and detecting accuracy is high, detecting channels can be expanded according to requirements, and the electronic fuel injector flow performance batch detecting system is suitable for batch detection of the flow performance of the electronic fuel injectors.
Description
Technical field
The utility model relates to a kind of detection system, particularly a kind of electric-controlled fuel injector flow performance batch detection system.
Background technique
Flow performance is the important indicator of weighing the electric-controlled fuel injector performance, all is the emphasis of electric-controlled fuel injector Performance Detection all the time.At present, domestic part automobile enterprise and scientific research institutions have developed the low-pressure electric controlled oil sprayer of petrol engine, and have realized mass production.Because electric-controlled fuel injector is the critical component of realizing fuel metering and oil atomizing in the motor car engine electric injection system, the mixed gas that its performance directly influences motor car engine forms and combustion process, manufacturing enterprise guarantees that the electric-controlled fuel injector of producing satisfies the regulation performance demands, needs that before dispatching from the factory every electric-controlled fuel injector is all carried out flow performance and detects.Problems such as at present few, the automaticity of the employed electric-controlled fuel injector flow quantity detecting system of relevant enterprise ubiquity sense channel and detection efficiency be low still can't satisfy the needs of electric-controlled fuel injector flow performance mass detection.Therefore, need the batch detection system of exploitation electric-controlled fuel injector flow performance, to satisfy the actual demand that the electric-controlled fuel injector flow performance dispatches from the factory and detects.
Summary of the invention
The utility model is the problem that can't satisfy electric-controlled fuel injector flow performance mass detection demand at present detection means, a kind of electric-controlled fuel injector flow performance batch detection system has been proposed, can carry out multichannel to the flow performance of electric-controlled fuel injector detects automatically, the control of system and testing precision height can satisfy the flow detection needs in the electric-controlled fuel injector full flow scope.
The technical solution of the utility model is: a kind of electric-controlled fuel injector flow performance batch detection system, comprise the oil sprayer control panel, the 89C52 SCM system, serial ports, upper-position unit, drive circuit of injector, oil pressure regulator, the oil rail, the precise electronic balance, graduated cylinder, multi-serial-port card, fuel tank, electric fuel punp, fuel filter, thermostat, return tube, electric-controlled fuel injector, upper-position unit will be controlled parameter and send to the 89C52 SCM system by serial ports, or will control parameter through the oil sprayer control panel and deliver to the 89C52 SCM system, 89C52 single-chip microcomputer output control signal is given the electric fuel punp that is positioned at fuel tank, the fuel from fuel tank sucking-off, enter oily rail through fuel filter and thermostat, the 89C52 single-chip microcomputer outputs a control signal to several electric-controlled fuel injectors on the oily rail, electric-controlled fuel injector injected fuel in the graduated cylinder of correspondence, several graduated cylinders place on the corresponding precise electronic balance, upper-position unit reads the fuel oil quality value of each precise electronic balance by multi-serial-port card, and the oil pressure regulator that is connected on the oily rail is connected to fuel tank by return tube.
The control interface of described upper-position unit comprises oil sprayer basic parameter setting area, and oil sprayer detects and starts, stops the setting area, and urgency is stopped and preserved the setting area, and injector passages is selected setting area and the real-time viewing area of flow parameter.
Total power switch, power supply indicator, oil sprayer operating voltage display place are arranged on the described oil sprayer control panel, the oil sprayer parameter display area, the flux test mode setting area of oil sprayer, oil sprayer operating voltage regulatory region, oil sprayer parameter setting area and oil sprayer are opened stop button.Described oil sprayer parameter setting area arranges fuel injection pulsewidth, injection period, the oil spout number of times of oil sprayer; The test mode setting area of described oil sprayer comprises dynamic flow test mode, quiescent flow test mode, durability test mode.
The beneficial effects of the utility model are: the utility model electric-controlled fuel injector flow performance batch detection system, can carry out multichannel to the flow performance of electric-controlled fuel injector detects automatically, the control of system and testing precision height, can satisfy the flow detection needs in the electric-controlled fuel injector full flow scope, and can expand according to actual demand sense channel, be particularly suitable for the electric-controlled fuel injector flow performance is carried out batch detection.In addition, the PC control interface of writing based on Labview has simple to operate, and parameter setting and data are handled the high characteristics of visual degree.
Description of drawings
Fig. 1 is the utility model electric-controlled fuel injector flow performance batch detection system schematic;
Fig. 2 is PC control surface chart in the utility model electric-controlled fuel injector flow performance batch detection system;
Fig. 3 is oil sprayer control panel figure in the utility model electric-controlled fuel injector flow performance batch detection system;
Fig. 4 is single channel electric-controlled fuel injector drive circuit figure in the utility model electric-controlled fuel injector flow performance batch detection system.
Embodiment
As shown in Figure 1, be system architecture schematic representation of the present utility model.Comprise: oil sprayer control panel 1,89C52 SCM system 2, serial ports 3, upper-position unit 4, drive circuit of injector 5, oil pressure regulator 6, oily rail 7, precise electronic balance 8, graduated cylinder 9, multi-serial-port card 10, fuel tank 11, electric fuel punp 12, fuel filter 13, thermostat 14, return tube 15, electric-controlled fuel injector 16.12 work of 89C52 SCM system 2 control electric fuel punps with fuel from fuel tank 11 sucking-offs, enter in the oily rail 7 through fuel filter 13, thermostat 14 again, make the fuel oil that is full of uniform temperature and certain pressure in the oily rail 7.Oil pressure regulator 6 makes the oil pressure in the oily rail 7 constant with the difference maintenance of the pressure in electric-controlled fuel injector 16 spray orifice outlet ports, and sends unnecessary fuel oil back to fuel tank 11 by return tube 15.
After whole system was finished the test preparation, upper-position unit 4 at first read initially value of weighing of each precise electronic balance 8 by multi-serial-port card 10; Then, after setting by the 4 pairs of oil sprayers of upper-position unit control parameters (comprising fuel injection pulsewidth, injection period, injecting times etc.), send to 89C52 SCM system 2 by serial ports 3, and be stored in the designating unit of 89C52 Single-chip Controlling program, in addition, above-mentioned oil sprayer control parameter also can arrange by the button of oil sprayer control panel 1, and set parameter is stored in the designating unit of 89C52 Single-chip Controlling program too; 89C52 SCM system 2 finish oil sprayer control parameter storage and and upper-position unit between data check after, send fuel injector control signal to drive circuit of injector 5, driving 8 electric-controlled fuel injectors 16 respectively sprays simultaneously, after electric-controlled fuel injector 16 was finished predetermined injecting times, the 89C52 single-chip microcomputer sent oil spout to upper-position unit 4 and finishes signal; PC control interface 4 receives after oil spout finishes signal, waits for through time-delay in short-term, is in steady state to guarantee the fuel oils in the graduated cylinder 9; Upper-position unit 4 reads the secondary weighing value of each precise electronic balance 8 again, through the data such as oil spout quality of each passage being shown in real time after the calculation process and storing; After the test of finishing each flow point under the different fuel injection pulsewidths, upper-position unit 4 is drawn the fuel injection quantity curve under the different fuel injection pulsewidths of electric-controlled fuel injector, and related data and icon are existed in the Excel file of appointment.
Described upper-position unit 4 adopts the Labview software programming, the PC control surface chart as shown in Figure 2, mainly comprise oil sprayer basic parameter setting area 4-1, oil sprayer detects and starts, stops setting area 4-2, urgency is stopped and is preserved setting area 4-3, and injector passages is selected setting area 4-4 and the real-time viewing area 4-5 of flow parameter.
Described oil sprayer control panel as shown in Figure 3.After total power switch 1-5 pressed, power supply indicator 1-1 lighted, and showed that the lower-position unit control system has been finished to power on.Oil sprayer operating voltage display screen 1-2 shows the operating voltage of oil sprayer 16 in real time, and this operating voltage is regulated by voltage-regulation knob 1-6.Oil sprayer control panel main screen 1-3 shows parameters such as oil sprayer fuel injection pulsewidth, injection period, oil spout number of times.The multi-position switch 1-7 of main screen 1-3 below is used for selecting the flux test mode (can be set to dynamic flow test, quiescent flow test or durability test) of oil sprayer 16, and the button 1-8 of middle below arranges pulsewidth, cycle, three parameters of injecting times.Top-right button 1-4 then can arrange the size of oil sprayer parameter, at last by opening the work of stop button 1-9 control oil sprayer.
Be illustrated in figure 4 as single channel electric-controlled fuel injector drive circuit, it drives pin is P2.0.After 89C52 SCM system 2 receives the setting of oil sprayer control parameter, send high-level control signal by pin P2.0 to drive circuit of injector 5, drive oil sprayer work; When 89C52 SCM system 2 sends the low level control signal to drive circuit of injector 5, oil sprayer stops oil spout, for preventing that the induction electromotive force that the oil sprayer coil blackout produces from damaging pliotron Q1, therefore in the two ends parallel connection of oil sprayer coil diode D2 and resistance R 6, can be induction electromotive force like this and form discharge loop.Simultaneously, for preventing analog circut to the influence of digital circuit, adopt optic coupling element U3 that single-chip microcomputer fuel injector control signal and oil sprayer drive part are separated.
Claims (4)
1. electric-controlled fuel injector flow performance batch detection system, it is characterized in that, comprise the oil sprayer control panel, the 89C52 SCM system, serial ports, upper-position unit, drive circuit of injector, oil pressure regulator, the oil rail, the precise electronic balance, graduated cylinder, multi-serial-port card, fuel tank, electric fuel punp, fuel filter, thermostat, return tube, electric-controlled fuel injector, upper-position unit will be controlled parameter and send to the 89C52 SCM system by serial ports, or will control parameter through the oil sprayer control panel and deliver to the 89C52 SCM system, 89C52 single-chip microcomputer output control signal is given the electric fuel punp that is positioned at fuel tank, the fuel from fuel tank sucking-off, enter oily rail through fuel filter and thermostat, the 89C52 single-chip microcomputer outputs a control signal to several electric-controlled fuel injectors on the oily rail, electric-controlled fuel injector injected fuel in the graduated cylinder of correspondence, several graduated cylinders place on the corresponding precise electronic balance, upper-position unit reads the fuel oil quality value of each precise electronic balance by multi-serial-port card, and the oil pressure regulator that is connected on the oily rail is connected to fuel tank by return tube.
2. according to the described electric-controlled fuel injector flow performance of claim 1 batch detection system, it is characterized in that, the control interface of described upper-position unit comprises oil sprayer basic parameter setting area, oil sprayer detects and starts, stops the setting area, urgency is stopped and is preserved the setting area, and injector passages is selected setting area and the real-time viewing area of flow parameter.
3. according to the described electric-controlled fuel injector flow performance of claim 1 batch detection system, it is characterized in that, total power switch, power supply indicator, oil sprayer operating voltage display place are arranged on the described oil sprayer control panel, the oil sprayer parameter display area, the flux test mode setting area of oil sprayer, oil sprayer operating voltage regulatory region, oil sprayer parameter setting area and oil sprayer are opened stop button.
4. according to the described electric-controlled fuel injector flow performance of claim 3 batch detection system, it is characterized in that, described
Oil sprayer parameter setting area arranges fuel injection pulsewidth, injection period, the oil spout number of times of oil sprayer; The test mode setting area of described oil sprayer comprises dynamic flow test mode, quiescent flow test mode, durability test mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320128364 CN203146188U (en) | 2013-03-20 | 2013-03-20 | Electronic fuel injector flow performance batch detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320128364 CN203146188U (en) | 2013-03-20 | 2013-03-20 | Electronic fuel injector flow performance batch detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203146188U true CN203146188U (en) | 2013-08-21 |
Family
ID=48973720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320128364 Expired - Fee Related CN203146188U (en) | 2013-03-20 | 2013-03-20 | Electronic fuel injector flow performance batch detecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203146188U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532372A (en) * | 2014-12-24 | 2015-04-22 | 苏州工业园区华西泵业有限公司 | Weighing type flow machine and method |
| CN104992607A (en) * | 2015-07-15 | 2015-10-21 | 无锡商业职业技术学院 | Experimental device used for electronic control gasoline engine fuel system |
| CN108590911A (en) * | 2018-03-27 | 2018-09-28 | 上海理工大学 | Fuel injector flow regulating device |
| CN109058015A (en) * | 2018-09-04 | 2018-12-21 | 深圳众为智慧技术有限公司 | Fuel injector detection system |
| CN110174249A (en) * | 2019-03-30 | 2019-08-27 | 南京航空航天大学 | A kind of aircraft oil cooling motor oil return experimental provision |
| CN111779586A (en) * | 2020-06-30 | 2020-10-16 | 上海交通大学 | Full-parameter-adjustable direct-injection fuel injector driver |
| 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 |
| CN114992027A (en) * | 2022-06-07 | 2022-09-02 | 哈尔滨工程大学 | Control system and method of LabVIEW-based oil injection rate testing device |
-
2013
- 2013-03-20 CN CN 201320128364 patent/CN203146188U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532372A (en) * | 2014-12-24 | 2015-04-22 | 苏州工业园区华西泵业有限公司 | Weighing type flow machine and method |
| CN104992607A (en) * | 2015-07-15 | 2015-10-21 | 无锡商业职业技术学院 | Experimental device used for electronic control gasoline engine fuel system |
| CN108590911A (en) * | 2018-03-27 | 2018-09-28 | 上海理工大学 | Fuel injector flow regulating device |
| CN109058015A (en) * | 2018-09-04 | 2018-12-21 | 深圳众为智慧技术有限公司 | Fuel injector detection system |
| CN110174249A (en) * | 2019-03-30 | 2019-08-27 | 南京航空航天大学 | A kind of aircraft oil cooling motor oil return experimental provision |
| CN111779586A (en) * | 2020-06-30 | 2020-10-16 | 上海交通大学 | Full-parameter-adjustable direct-injection fuel injector driver |
| 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 |
| CN114689127B (en) * | 2022-05-19 | 2023-11-24 | 洛阳拖拉机研究所有限公司 | Oil delivery pump oil gas rail assembly testing device and testing method |
| CN114992027A (en) * | 2022-06-07 | 2022-09-02 | 哈尔滨工程大学 | Control system and method of LabVIEW-based oil injection rate testing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203146188U (en) | Electronic fuel injector flow performance batch detecting system | |
| CN105022383B (en) | Marine Medium-speed Diesel Engine high pressure co-rail system hardware-in-loop simulation test platform and test method | |
| CN103743562B (en) | A kind of electromagnetic valve test platform | |
| CN101858291B (en) | Detection and analysis test stand of electric control diesel engine injector and control method thereof | |
| CN104121102B (en) | The diesel oil ignited direct-jet natural gas engine fuel supply system of trace and controlling method | |
| CN102562336B (en) | Rail pressure control method for gasoline direct injection engine common rail fuel system | |
| CN201802535U (en) | Common-rail injector detection system of diesel car | |
| CN201241778Y (en) | Flow characteristic test device of gasoline injector | |
| CN106200668B (en) | Outer loop energy resource system and its test method for semi-physical simulation | |
| CN105692538B (en) | A kind of speed changer filling oil system and method | |
| CN101608615A (en) | Property of vapor stream vacuum pump automatic measuring system and method for measurement | |
| CN110374778A (en) | Marine low speed diesel engine common rail fuel injection system solenoid valve reliability test platform | |
| CN104454282B (en) | Performance test method and system for high pressure oil pump | |
| CN103323219A (en) | Onboard fuel tank deactivation overall performance testing system | |
| CN206221124U (en) | It is a kind of to investigate the instrument that common-rail injector high pressure reveals failure | |
| CN102192033A (en) | Equipment and method for controlling high-pressure common rail system of diesel engine | |
| CN109026484A (en) | The control system of automotive air induction duct formula fuel injector on-line checking platform | |
| CN101871403B (en) | Diagnostic system and method for pressure sensor in driving state | |
| CN201212437Y (en) | Electric-controlled fuel injector detecting bench based on configuration software and PLC | |
| CN201671738U (en) | Test bed for detecting and analyzing injector of electronic controlled diesel engine | |
| CN201202564Y (en) | Dynamic response time test system of electric control gasoline injector | |
| CN105275699B (en) | A kind of scaling method of electric-controlled co-rail Fuel Injection Pump Test-Bed | |
| CN207895310U (en) | A kind of analogue loading device of ECU functional tests | |
| CN207516012U (en) | A kind of test system of fuel metering valve | |
| CN109556875A (en) | Marine low speed diesel engine Cylinder lubricating system test platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130821 Termination date: 20140320 |