CN201367968Y - High-pressure common rail oil injection video and image analysis system - Google Patents
High-pressure common rail oil injection video and image analysis system Download PDFInfo
- Publication number
- CN201367968Y CN201367968Y CNU2008202313265U CN200820231326U CN201367968Y CN 201367968 Y CN201367968 Y CN 201367968Y CN U2008202313265 U CNU2008202313265 U CN U2008202313265U CN 200820231326 U CN200820231326 U CN 200820231326U CN 201367968 Y CN201367968 Y CN 201367968Y
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- oil
- oil spout
- computer
- oil injection
- control unit
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Abstract
The utility model relates to a high-pressure common rail oil injection video and image analysis system comprising a computer, a communication interface, an oil injector control unit, an oil injector and an oil injection image pick-up device, wherein the computer is respectively connected with the oil injector control unit and the oil injection image pick-up device by the communication interface, and the oil injector control unit is respectively connected with the oil injector and the oil injection image pick-up device; an oil injection image pick-up command is transmitted to the oil injector control unit by the computer through the communication interface, a synchronous oil injection drive pulsing signal and a synchronous video trigger signal are generated by the oil injector control unit and are respectively used for driving the oil injector to inject oil and triggering the oil injection image pick-up device to shoot an oil injection image, and the oil injection image is transmitted to the computer to be displayed and analyzed by the oil injection image pick-up device through the communication interface so as to detect and diagnose the performance and the oil injection state of the oil injector. The high-pressure common rail oil injection video and image analysis system visually detects and analyses the oil injector and the oil injection state by using an electronic imaging and computer image processing technology.
Description
Technical field
The utility model relates to a kind of high-pressure common rail oil spout shooting and image analysis system, when detecting, takes by the high pressure co-rail system oil sprayer that is used for fuel engine instantaneous oil spout image, and image shown and analyze, realize oil sprayer performance and oil spout state are analyzed automatically and diagnosed.
Background technique
By the oil spout image, can very intuitively and exactly detect and judge the performance of high pressure co-rail system oil sprayer and oil spout state.But, absorb relatively difficulty of this moment oil spout image because the very of short duration weak point of injection time of high pressure co-rail system reaches ten thousand/second-time.Look into new result and show, in the existing at present high-pressure common rail automatic checkout equipment, still do not have the function of taking the oil spout image at home and abroad, can not analyze automatically oil sprayer performance and oil spout state and diagnose by the oil spout imaging.
Summary of the invention
The purpose of this utility model provides high-pressure common rail oil spout shooting and image analysis system, satisfies the fault of quick and precisely diagnosing oil sprayer, the demand of accurate instruction maintenance.
The technical solution of the utility model is: high-pressure common rail oil spout shooting and image analysis system mainly are made up of computer 1, communication interface 2, oil sprayer control unit 3, oil sprayer 4 and oil spout imaging means 5.Computer 1 is connected with oil spout imaging means 4 with oil sprayer control unit 3 respectively by communication interface 2, and oil sprayer control unit 3 is connected with oil spout imaging means 5 with oil sprayer 4 respectively.This system gives oil sprayer control unit 3 by communication interface 2 with oil spout and shooting order by computer 1; Produce synchronous oil spout drive pulse signal and shooting trigger signal by oil sprayer control unit 3 thereupon, be respectively applied for driving oil sprayer 4 and carry out oil spout and trigger oil spout imaging means 5 shooting oil spout images; Oil spout imaging means 5 sends the oil spout image to computer 1 through communication interface 2 thereupon; Show by 1 pair of oil spout image of computer at last and analyze, realize the performance of oil sprayer 4 and oil spout state are detected and diagnose with this.
The beneficial effects of the utility model are: by utilization electronic imaging and computer image processing technology, high pressure common rail injector and oil spout state are carried out visual detection and analysis.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done description in further detail:
Fig. 1 is the composition frame chart of high-pressure common rail oil spout shooting and image analysis system.
Among the figure: 1, computer, 2, communication interface, 3, the oil sprayer control unit, 4, oil sprayer, 5, the oil spout imaging means.
Embodiment
As shown in Figure 1, the utility model mainly is made up of computer 1, communication interface 2, oil sprayer control unit 3, oil sprayer 4, oil spout imaging means 5.Computer 1 is connected with oil spout imaging means 4 with oil sprayer control unit 3 respectively by communication interface 2, and oil sprayer control unit 3 is connected with oil spout imaging means 5 with oil sprayer 4 respectively.System is sent by giving oil sprayer control unit 3 by communication interface 2 with oil spout and shooting order by computer 1; Produce synchronous oil spout drive pulse signal and shooting trigger signal by oil sprayer control unit 3 thereupon, be respectively applied for driving oil sprayer 4 and carry out oil spout and trigger oil spout imaging means 5 shooting oil spout images; Oil spout imaging means 5 sends the oil spout image to computer 1 through communication interface 2 thereupon; Show by 1 pair of oil spout image of computer at last and analyze, realize the performance of oil sprayer 4 and oil spout state are detected and diagnose with this.The each several part function is as follows among Fig. 1:
(1) computer 1 itself is a universal microcomputer, it is the master control analysis centre of this system, in this computer, send the shooting instruction, gather the oil spout image and the oil spout image is shown and analyzes, realize thus the performance of oil sprayer 4 and oil spout state are detected and diagnose by the establishment corresponding software programs.
(2) communication interface 2 is used to transmit 1 pair of oil sprayer control unit 3 of computer and sends instruction, and is used for sending the oil spout image that oil spout imaging means 5 is taken to computer.
(3) oil sprayer control unit 3 is used to produce synchronous oil spout drive pulse signal and shooting trigger signal, drives oil sprayer 4 respectively and triggers oil spout imaging means 5.
(4) oil sprayer 4 sprays high pressure fuel under the fuel injection pulse signal from oil sprayer control unit 3 drives from spray orifice.
(5) oil spout imaging means 5 on hardware be one by CCD digital camera, lighting set, and the digital camera system that constitutes of pulse synchronization trigger circuit, be used to obtain the instantaneous picture of injection process, and send the oil spout image to computer 1 by communication interface 2.Native system adopts the pulse triggering digital imaging method to obtain the moment oil spout image that injection time is ten thousand/second-time, and adopt computer image processing technology that the oil spout image is analyzed, thereby can realize carrying out visual and detection and diagnosis quantification to oil sprayer performance and high pressure co-rail system oil spout state.
(6) oil sprayer to be detected detected and diagnose in order to use native system, at first should attach it on the corresponding station of native system, install properly on inspection after, the operation native system detects and diagnoses.
Claims (2)
1, high-pressure common rail oil spout shooting and image analysis system, it is characterized in that, form by computer (1), communication interface (2), oil sprayer control unit (3), oil sprayer (4) and oil spout imaging means (5), be connected with oil spout imaging means (4) with oil sprayer control unit (3) respectively by communication interface (2) by computer (1), oil sprayer control unit (3) is connected with oil spout imaging means (5) with oil sprayer (4) respectively.
2, high-pressure common rail oil spout shooting according to claim 1 and image analysis system is characterized in that, described computer (1) sends by communication interface (2) and gives oil sprayer control unit (3) with oil spout and shooting order; Produce synchronous oil spout drive pulse signal and shooting trigger signal by oil sprayer control unit (3) thereupon, be respectively applied for driving oil sprayer (4) and carry out oil spout and trigger oil spout imaging means (5) shooting oil spout image; Oil spout imaging means (5) sends the oil spout image to computer (1) through communication interface (2) thereupon; By computer (1) the oil spout image is shown at last and analyze, realize the performance of oil sprayer (4) and oil spout state are detected and diagnose with this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202313265U CN201367968Y (en) | 2008-12-03 | 2008-12-03 | High-pressure common rail oil injection video and image analysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202313265U CN201367968Y (en) | 2008-12-03 | 2008-12-03 | High-pressure common rail oil injection video and image analysis system |
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| Publication Number | Publication Date |
|---|---|
| CN201367968Y true CN201367968Y (en) | 2009-12-23 |
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| CNU2008202313265U Expired - Fee Related CN201367968Y (en) | 2008-12-03 | 2008-12-03 | High-pressure common rail oil injection video and image analysis system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792090A (en) * | 2013-07-12 | 2014-05-14 | 江苏大学 | Diesel engine in-cylinder spraying and combustion visualization testing apparatus and testing method |
| CN104018972A (en) * | 2014-06-17 | 2014-09-03 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Rapid obtaining method and device of compensation pulse width of electronically controlled common rail oil atomizer |
| CN104329200A (en) * | 2014-08-21 | 2015-02-04 | 陈锦华 | Diesel engine oil sprayer oil spraying condition observing device |
| CN105756834A (en) * | 2015-12-15 | 2016-07-13 | 江南大学 | RANSAC-based direct injection engine single fuel injection amount liquid level height visual detection method |
| CN105756835A (en) * | 2015-12-15 | 2016-07-13 | 江南大学 | Visual measurement and correction method for liquid level height of single-time fuel injection quantity of direct injection engine |
| CN109341597A (en) * | 2018-11-21 | 2019-02-15 | 西安金普科技工程有限责任公司 | A kind of aviation atomizer atomization angle check device |
-
2008
- 2008-12-03 CN CNU2008202313265U patent/CN201367968Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792090A (en) * | 2013-07-12 | 2014-05-14 | 江苏大学 | Diesel engine in-cylinder spraying and combustion visualization testing apparatus and testing method |
| CN103792090B (en) * | 2013-07-12 | 2016-01-27 | 江苏大学 | A kind of cylinder of diesel engine internal spraying and combustion visualization proving installation and method of testing |
| CN104018972A (en) * | 2014-06-17 | 2014-09-03 | 中国第一汽车股份有限公司无锡油泵油嘴研究所 | Rapid obtaining method and device of compensation pulse width of electronically controlled common rail oil atomizer |
| CN104329200A (en) * | 2014-08-21 | 2015-02-04 | 陈锦华 | Diesel engine oil sprayer oil spraying condition observing device |
| CN105756834A (en) * | 2015-12-15 | 2016-07-13 | 江南大学 | RANSAC-based direct injection engine single fuel injection amount liquid level height visual detection method |
| CN105756835A (en) * | 2015-12-15 | 2016-07-13 | 江南大学 | Visual measurement and correction method for liquid level height of single-time fuel injection quantity of direct injection engine |
| CN105756834B (en) * | 2015-12-15 | 2018-11-09 | 江南大学 | RANSAC-based direct injection engine single fuel injection amount liquid level height visual detection method |
| CN105756835B (en) * | 2015-12-15 | 2019-02-22 | 江南大学 | Direct fuel-injection engine single distributive value liquid level vision measurement modification method |
| CN109341597A (en) * | 2018-11-21 | 2019-02-15 | 西安金普科技工程有限责任公司 | A kind of aviation atomizer atomization angle check device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20151203 |
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| EXPY | Termination of patent right or utility model |