CN202360271U - Spraying detection device of electronic control fuel injector - Google Patents
Spraying detection device of electronic control fuel injector Download PDFInfo
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- CN202360271U CN202360271U CN2011204816222U CN201120481622U CN202360271U CN 202360271 U CN202360271 U CN 202360271U CN 2011204816222 U CN2011204816222 U CN 2011204816222U CN 201120481622 U CN201120481622 U CN 201120481622U CN 202360271 U CN202360271 U CN 202360271U
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- steel wire
- fuel injector
- stainless steel
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- controlled fuel
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Abstract
The utility model discloses a spraying detection device of an electric control fuel injector. The device comprises a camera, a microprocessor, a singlechip and an oil supply device, wherein the singlechip and the oil supply device are respectively connected with the electric control fuel injector; the camera is connected with the singlechip; the microprocessor is connected with the camera; and the singlechip is connected with a nixie tube and a regulating and controlling button. The spraying detection device of the electric control fuel injector is characterized in that a crossed standard wire for measuring the sizes of spraying particles is arranged right in front of a camera lens; the crossed standard wire comprises a frame; a crossed stainless steel wire consisting of a horizontal stainless steel wire and a vertical stainless steel wire is fixed in the frame; axial lines of the horizontal stainless steel wire and the electric control fuel injector are positioned on the same straight line; and a middle axial line of the camera lens passes through a crossing point of the crossed stainless steel wire. The device has the advantages of low cost, convenience in operation and intuitional display of results.
Description
Technical field
The utility model relates to sprayer Performance Detection technology, relates in particular to a kind of electric-controlled fuel injector spraying detection device.
Technical background
Along with the global energy crisis outburst and the increasingly stringent of Abgasgesetz, people begin engine performance is had higher requirement.Oil sprayer is as the important component part of engine fuel supply system, and the quality of its atomization quality affects the degree of perfection and the discharge quality of burning to a great extent.Therefore need carry out coherent detection to atomization quality, in testing result, spraying penetration distance, spray cone angle, spraying granule size and distribution thereof are the important indicators that characterizes oil sprayer oil spout quality condition.
Method of measurement to spraying granule mainly contains three kinds at present.A kind of is mechanical type, spray droplet is cured perhaps with microscope the solid particle of collection or the impression of particle hits is directly measured behind the impression, and its method is fairly simple, but testing precision is lower; Another kind is an electronic type, mainly comprises electrode method, traverse method and heat-pole method, and the installation number of measuring accuracy and electrode, lead or hot line has relation, if but install too much, then can exert an influence to spray field; The third is an optical profile type, comprises Photographic technique and non-Photographic technique, and Photographic technique comprises laser holography method and High Speed Photography method; Non-Photographic technique all be with laser as incident light source, comprise that laser Doppler method, scattered light intensity are than the method and the Ma Er syntax; Photographic technique can be visual with spray droplet intuitively, and the liquid-drop diameter of measurement is greater than 5 μ m; Non-Photographic technique utilization is the Ma Er syntax the most widely, can be connected with computer, can obtain the Size Distribution of particle in the spray field in real time, but these apparatus structures is complicated, and is more to the influence factor of measurement result, and costs an arm and a leg.
Summary of the invention
To the defective or the deficiency of existing technology, the purpose of the utility model is to provide a kind of easy to use, electric-controlled fuel injector spraying detection device that cost is low.
To achieve these goals, the utility model adopts following technological scheme to be achieved:
A kind of electric-controlled fuel injector spraying detection device; Comprise vidicon camera, microprocessor and single-chip microcomputer that is connected with electric-controlled fuel injector respectively and oil supplying device; Said oil supplying device comprises fuel tank, electric oil pump, filter cleaner and the pressure regulator that connects successively, and wherein pressure regulator is connected with electric-controlled fuel injector; Said vidicon camera is connected with single-chip microcomputer; Said microprocessor is connected with vidicon camera; Be connected with nixie tube and regulation and control button on the said single-chip microcomputer, it is characterized in that the dead ahead of said camera lens is provided with the cross standard silk that is used for measuring the spraying granule size; This cross standard silk comprises a framework; One side of this framework is a Stainless Steel Wire, and said framework internal fixation is by the cross Stainless Steel Wire of being made up of horizontal Stainless Steel Wire and vertical shape Stainless Steel Wire intersection, and the steel wire diameter of cross Stainless Steel Wire is identical with the Stainless Steel Wire diameter of frame sides; Wherein, the Stainless Steel Wire side and the electric-controlled fuel injector of framework are directly relative, and the axis of horizontal Stainless Steel Wire and electric-controlled fuel injector is positioned at same straight line, and the medial axis of camera lens is through the intersection point of cross Stainless Steel Wire.
The other technologies of the utility model are characterized as:
Said single-chip microcomputer adopts the STC12C5A60S2 single-chip microcomputer.
Said vidicon camera adopts the NEX-VG10E of Sony DV.
Said microprocessor adopts computer.
Said nixie tube adopts four of SM410361K to be total to the anode nixie tube.
The utility model adopts the unlatching of Single-chip Controlling electric-controlled fuel injector and the shooting of vidicon camera; The fuel injection pulsewidth of oil sprayer and zero-time can show on nixie tube; And can regulate through the regulation and control button, can photograph the spraying granule of any time.Utilize microprocessor that the image of gathering is carried out analysing and processing simultaneously, obtain parameters such as spraying granule, spray cone angle and penetration distance, thereby selective analysis is carried out in size, the distribution of particle.
Compared with prior art, the device of the utility model has the following advantages:
(1) cost is low.Present stage, employed high-precision Ma Erwen particle analyzer price was more than 1,000,000 yuan, and high to environmental requirement, the maintenance and repair difficulty, and the cost of this utility model can be controlled in 20,000 yuan.
(2) simple to operate.Use mechanical detection to need several special technician to cooperate simultaneously to accomplish a couple of days consuming time just can capture desired image, follow-up data processing work also needs several days time; And use the utility model, a people only need regulate and control button and just can accomplish shooting process smoothly, image is imported microcomputer analyze required result automatically through software afterwards.
(3) testing result is directly perceived, reliable.The image of gathering is directly perceived, reliable, can check immediately and handle, and also can preserve, convenient researching and analysing later.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural drawing of the cross standard silk of the utility model;
Fig. 3 is the installation relational structure schematic representation between cross standard silk, vidicon camera and the electric-controlled fuel injector.
Below in conjunction with embodiment and accompanying drawing the utility model is done further explain.
Embodiment
Embodiment:
Like Fig. 1,2, shown in 3; Comprise vidicon camera 2, microprocessor 3 and the single-chip microcomputer 1 and the oil supplying device that are connected with electric-controlled fuel injector 11 respectively; Said oil supplying device comprises fuel tank 4, electric oil pump 5, filter cleaner 6 and the pressure regulator 7 that connects successively, and wherein pressure regulator 7 is connected with electric-controlled fuel injector 11; Said vidicon camera 2 is connected with single-chip microcomputer 1; Said microprocessor 3 is connected with vidicon camera 2; Be connected with nixie tube 9 and regulation and control button 10 on the said single-chip microcomputer 1, it is characterized in that the dead ahead of said vidicon camera 2 camera lenses is provided with the cross standard silk 8 that is used for measuring the spraying granule size; This cross standard silk 8 comprises a framework 12; One side of this framework 12 is a Stainless Steel Wire, and said framework 12 internal fixation are by the cross Stainless Steel Wire of being made up of horizontal Stainless Steel Wire 13 and vertical shape Stainless Steel Wire 14 intersections 15, and the steel wire diameter of cross Stainless Steel Wire 15 is identical with the Stainless Steel Wire diameter of frame sides; Wherein, the Stainless Steel Wire side of framework 12 and electric-controlled fuel injector 11 are directly relative, and horizontal Stainless Steel Wire 13 is positioned at same straight line with the axis of electric-controlled fuel injector 11, and the medial axis of vidicon camera 2 camera lenses is through the intersection point of cross Stainless Steel Wire 15.
Single-chip microcomputer 1 among this embodiment adopts the STC12C5A60S2 single-chip microcomputer, and vidicon camera 2 adopts the NEX-VG10E of Sony DV, and microprocessor 3 adopts computer, and nixie tube 9 adopts four of SM410361K to be total to the anode nixie tube;
STC12C5A60S2 single-chip microcomputer 1 control electric-controlled fuel injector 11 and the NEX-VG10E of Sony DV 2, the regulation and control button 10 that is used to regulate electric-controlled fuel injector 11 oil spout zero-times and fuel injection pulsewidth is connected on the P2 port of single-chip microcomputer 1.
Vidicon camera 2 preferably uses pixel at the DV more than 1,000 ten thousand; Adopted the NEX-VG10E of Sony DV among this embodiment; Its dynamic pixel is 1,300 ten thousand, and it is fixed on the tripod, and the shooting direction is perpendicular to the side of nozzle; The optical center height is identical with the residing height of nozzle, so that the whole process of nozzle ejection drop to atomizing taken in the side; DV is fixed on the place apart from the about 20cm of electric-controlled fuel injector nozzle-axis, the medial axis of vidicon camera 2 camera lenses and height such as electric-controlled fuel injector 11 axis normal grade; Video memory is installed in the vidicon camera; The switch of vidicon camera triggers through single-chip microcomputer 1.
Like Fig. 2, shown in 3, it is that diameter is the cross standard silk 8 of 0.1mm that granularity is demarcated parts, and it is fixed on vidicon camera 2 dead aheads, and its cross is centered close to the intersection of electric-controlled fuel injector 11 axis and vidicon camera 2 camera lens medial axis; Cross standard silk 8 is that Stainless Steel Wire and the framework that two diameters are 0.1mm formed, the Stainless Steel Wire criss-crossing, and two ends are fixed on the framework; In order to reduce the influence of frame structure to spray field, the frame of the nearly oil sprayer of framework is selected the thinner or Stainless Steel Wire identical with the steel wire diameter of cross Stainless Steel Wire than other three limits for use, and what then adopted on other three limits is angle iron.
In handling the process of image, in microprocessor,, and set relevant parameter with the diameter of standard silk contrast standard as 0.1mm, working procedure can obtain required spraying relevant parameter.
Four of SM410361K first of anode nixie tubes altogether are used for video data type (0 or 1), and back three times that are used for showing the type, unit is remembered with millisecond; This nixie tube is used for showing when gathering picture, the oil spout zero-time and the fuel injection pulsewidth of electric-controlled fuel injector 11.
Installing used power supply is the 220V ac power supply; Wherein microcomputer directly adopts 220V; What electric oil pump and electric-controlled fuel injector used is that 220V provides 24V direct current through the transformation rectification module; What single-chip microcomputer used is the 5V direct current that is provided through the transformation rectification module, and vidicon camera directly uses chargeable lithium cell.
When utilizing this device to detect the pulverability of electric-controlled fuel injector, cross standard silk 8 vertical fixing, one side wherein frame thinner place the side, can not be in upper-lower position; Vidicon camera 2 camera lenses are installed in apart from about 20em place, cross standard silk 8 dead aheads, and vidicon camera 2 camera lens medial axis are through standard silk criss-crossing point; Electric-controlled fuel injector 11 is installed in parallel in the place apart from cross standard silk 10cm, and the axis of electric-controlled fuel injector 11 is through horizontal Stainless Steel Wire 13; The negative pole of electric-controlled fuel injector 11 links to each other with the P4.2 port of single-chip microcomputer 1, through the PWM square wave output function triggering electric-controlled fuel injector 11 of this port.
During concrete work; Energized at first; And then oil in the fuel tank 4 eliminated pulsation, adjustment fuel pressure through fuel pressure regulator 7 by the filtration of electric oil pump 5 sucking-offs through filter cleaner 6, makes the fuel oil that possesses certain pressure be conducted to electric-controlled fuel injector 11 oil-feed mouth of pipe places;
Open the power supply of single-chip microcomputer 1 simultaneously, single-chip microcomputer 1 output square wave makes electric-controlled fuel injector 11 commencement of fuel injection, and triggers camera 2 and start working;
The oil spout frequency can be more than 30 times when proper functioning for electric-controlled fuel injector 11; Oil spout 3-4ms; And the frequency of okperation of vidicon camera 2 is 24 frames/sec, just can capture required image so have only through long injection, needs the running parameter of electric-controlled fuel injector 11 is adjusted; Concrete through 10 selections of adjustment regulation and control button suitable oil spout zero-time or adjustment fuel injection pulsewidth, guarantee the success rate of taking pictures;
After IMAQ finishes, the image of being gathered is transferred to microprocessor 3, in microprocessor 3, utilize IMAQ and processor; Contrast in cross standard silk 8; For the bat image discern, mark, calculate parameters such as characteristic diameter, size distribution, spray cone angle, penetration distance through the spraying granule capture function, simultaneously original image is saved in hard disk with the form of RMVB; Check after convenient, also can call the printer output testing result.
Used electronic parts and components all are commercially available known product in the device of the utility model, and those skilled in the art can realize the connection of each electronic parts and components according to the technique effect of the utility model.
Claims (5)
1. electric-controlled fuel injector spraying detection device; Comprise vidicon camera (2), microprocessor (3) and the single-chip microcomputer (1) and the oil supplying device that are connected with electric-controlled fuel injector (11) respectively; Said oil supplying device comprises fuel tank (4), electric oil pump (5), filter cleaner (6) and the pressure regulator (7) that connects successively, and wherein pressure regulator (7) is connected with electric-controlled fuel injector (11); Said vidicon camera (2) is connected with single-chip microcomputer (1); Said microprocessor (3) is connected with vidicon camera (2); Be connected with nixie tube (9) and regulation and control button (10) on the said single-chip microcomputer (1), it is characterized in that the dead ahead of said vidicon camera (2) camera lens is provided with the cross standard silk (8) that is used for measuring the spraying granule size; This cross standard silk (8) comprises a framework (12); One side of this framework (12) is a Stainless Steel Wire, and said framework (12) internal fixation has the cross Stainless Steel Wire of being made up of horizontal Stainless Steel Wire (13) and vertical shape Stainless Steel Wire (14) intersection (15), and the steel wire diameter of cross Stainless Steel Wire (15) is identical with the Stainless Steel Wire diameter of frame sides; Wherein, the Stainless Steel Wire side of framework (12) and electric-controlled fuel injector (11) are directly relative, and horizontal Stainless Steel Wire (13) is positioned at same straight line with the axis of electric-controlled fuel injector (11), and the medial axis of vidicon camera (2) camera lens is through the intersection point of cross Stainless Steel Wire (15).
2. electric-controlled fuel injector spraying detection device as claimed in claim 1 is characterized in that said single-chip microcomputer (1) adopts the STC12C5A60S2 single-chip microcomputer.
3. electric-controlled fuel injector spraying detection device as claimed in claim 1 is characterized in that said vidicon camera (2) adopts the NEX-VG10E of Sony DV.
4. electric-controlled fuel injector spraying detection device as claimed in claim 1 is characterized in that said microprocessor (3) adopts computer.
5. electric-controlled fuel injector spraying detection device as claimed in claim 1 is characterized in that said nixie tube (9) adopts four of SM410361K to be total to the anode nixie tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204816222U CN202360271U (en) | 2011-11-28 | 2011-11-28 | Spraying detection device of electronic control fuel injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204816222U CN202360271U (en) | 2011-11-28 | 2011-11-28 | Spraying detection device of electronic control fuel injector |
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| Publication Number | Publication Date |
|---|---|
| CN202360271U true CN202360271U (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204816222U Expired - Fee Related CN202360271U (en) | 2011-11-28 | 2011-11-28 | Spraying detection device of electronic control fuel injector |
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| CN (1) | CN202360271U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329200A (en) * | 2014-08-21 | 2015-02-04 | 陈锦华 | Diesel engine oil sprayer oil spraying condition observing device |
| CN104634279A (en) * | 2013-11-13 | 2015-05-20 | 中国科学院沈阳计算技术研究所有限公司 | Vision-based automatic aviation oil mist nozzle atomization angle detection device and method |
| CN106286063A (en) * | 2016-08-26 | 2017-01-04 | 天津成立航空技术有限公司 | A kind of determination method of pressure atomized fog jet performance indications |
| US10369582B2 (en) | 2015-04-30 | 2019-08-06 | Emissol Llc | System and method for spray visualization |
-
2011
- 2011-11-28 CN CN2011204816222U patent/CN202360271U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634279A (en) * | 2013-11-13 | 2015-05-20 | 中国科学院沈阳计算技术研究所有限公司 | Vision-based automatic aviation oil mist nozzle atomization angle detection device and method |
| CN104329200A (en) * | 2014-08-21 | 2015-02-04 | 陈锦华 | Diesel engine oil sprayer oil spraying condition observing device |
| US10369582B2 (en) | 2015-04-30 | 2019-08-06 | Emissol Llc | System and method for spray visualization |
| CN106286063A (en) * | 2016-08-26 | 2017-01-04 | 天津成立航空技术有限公司 | A kind of determination method of pressure atomized fog jet performance indications |
| CN106286063B (en) * | 2016-08-26 | 2018-12-11 | 天津成立航空技术有限公司 | A kind of determination method of pressure atomized fog jet performance indicator |
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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: 20120801 Termination date: 20121128 |