CN203730193U - Detecting system for common rail oil atomizer armature dynamic lift - Google Patents
Detecting system for common rail oil atomizer armature dynamic lift Download PDFInfo
- Publication number
- CN203730193U CN203730193U CN201420052137.7U CN201420052137U CN203730193U CN 203730193 U CN203730193 U CN 203730193U CN 201420052137 U CN201420052137 U CN 201420052137U CN 203730193 U CN203730193 U CN 203730193U
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- China
- Prior art keywords
- common
- rail injector
- armature
- ecu
- low pressure
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Abstract
The utility model provides a detecting system for common rail oil atomizer armature dynamic lift, and relates to the technical field of measuring and controlling. The detecting system comprises an industrial personal computer, a transmission device, a displacement detecting device, an ECU and a high-low pressure driver. The displacement detecting device comprises a displacement sensor and a detecting needle. The high-low pressure driver is respectively connected with the ECU and a common rail oil atomizer to be detected. The industrial personal computer is respectively connected with the transmission device, the displacement detecting device and the ECU. The transmission device is connected with the displacement detecting device, the displacement detecting device and the ECU. The transmission detecting is connected with the displacement detecting device. The displacement detecting device detects the common rail oil atomizer to be detected. The detecting system can carry out measuring in a dynamic state and conform with the actual operation state of an armature, the accuracy is high, detecting needle contact measuring is high in accuracy, and the repeated measuring precision is high.
Description
Technical field
The utility model relates to observation and control technology field, is specifically related to the dynamic lift detection system of a kind of common-rail injector armature.
Background technique
Along with day by day strong to the requirement of the aspects such as the low oil consumption of diesel engine, high power and reduction discharge, noise, the mechanical type diesel fuel injection system of traditional dependence cam mechanism composition, because of intrinsic shortcomings such as its control freedom degree are little, control accuracy is low, speed of response is slow, cannot meet the demands.So applying electronic control technique has become inevitable on diesel engine.And Electrocontrolled high-pressure common rail oil-fired system has not only changed the composition structure of traditional mechanical type injection system, make the generation of jet pressure be totally independent of rotating speed and the course of injection of motor, also realize veritably independent, the accurate and Flexible Control of injection pressure, oil spout moment, fuel injection quantity and multi-injection, thereby greatly promoted the combination property of power character, Economy, discharge and the noise aspect of diesel engine.Electronic control system is the inexorable trend of domestic diesel engine application and development from now on.Based on this, numerous domestic enterprise starts the exploitation of Design of High Pressure Common Rail Diesel Engine project just, coupling, production.
Electronic control system is produced, assembling needs a lot of manufacturing mechanisms and detection facility, by the test to common-rail injector armature lift, medium and heavy oil sprayer armature lift control range exists: 0.048mm～0.052mm, want to assemble common-rail injector and must have a kind of high-precision surveying instrument, in armature lift assembling in the past, conventionally adopt the manual static test of dial indicator.
Adopt the manual static test of dial indicator to can not meet the needs of existing assembling, so be badly in need of a kind of system that can detect the dynamic lift of the armature of common-rail injector.
Model utility content
(1) technical problem solving
For the deficiencies in the prior art, the utility model provides a kind of common-rail injector armature dynamic lift detection system, can facilitate, accurately the dynamic lift of the armature of common-rail injector be detected.
(2) technological scheme
For realizing above object, the utility model is achieved by the following technical programs:
The dynamic lift detection system of a kind of common-rail injector armature, comprising: process control machine, transmission device, displacement detector, ECU, high low pressure driver,
Described displacement detector comprises displacement transducer and chaining pin;
Described high low pressure driver is connected with tested common-rail injector with described ECU respectively.
Described process control machine is connected with described transmission device, displacement detector and ECU respectively, and described transmission device connects described displacement detector, and described displacement detector detects tested common-rail injector.
Preferably, this device also comprises voltage regulator, and described voltage regulator connects described high low pressure driver, for regulating described tested common-rail injector driving voltage.
Preferably, this device also comprises current regulator, and described current regulator connects described high low pressure driver, for regulating described tested common-rail injector driving current.
(3) beneficial effect
The utility model provides a kind of common-rail injector armature dynamic lift detection system.By the displacement amount of displacement transducer and the tested common-rail injector of chaining pin Real-time Collection, obtain armature and generate, complete detection.The utility model common-rail injector upper armature lift is measured under dynamical state, meets the actual operating mode of armature, makes detection accuracy high; Adopt chaining pin contact type measurement, also make accuracy increase; Duplicate measurements precision high (≤0.001mm); And then be applicable to assemble and detect and after market maintenance use on common-rail injector production line.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model embodiment's the dynamic lift detection device of common-rail injector armature;
Fig. 2 is the utility model embodiment's the dynamic lift testing process of common-rail injector armature schematic diagram;
Wherein, 1 is process control machine; 2 is ECU; 3 is transmission device; 4 is displacement transducer; 5 is chaining pin; 6 is tested common-rail injector; 7 is high low pressure driver; 8 is voltage regulator; 9 is current regulator.
Embodiment
For making the utility model embodiment's object, technological scheme and advantage clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1: as shown in Figure 1, the utility model embodiment also provides a kind of common-rail injector armature dynamic lift detection system, comprising: process control machine, transmission device, displacement detector, ECU, high low pressure driver,
Described displacement detector comprises displacement transducer and chaining pin;
Described high low pressure driver is connected with tested common-rail injector with described ECU respectively.
Described process control machine is connected with described transmission device, displacement detector and ECU respectively, and described transmission device connects described displacement detector, and described displacement detector detects tested common-rail injector.
Preferably, this device also comprises voltage regulator, and described voltage regulator connects described high low pressure driver, for regulating described tested common-rail injector driving voltage, to adapt to the common-rail injector of different size.
Preferably, this device also comprises current regulator, and described current regulator connects described high low pressure driver, for regulating described tested common-rail injector driving current, to adapt to the common-rail injector of different size.
As shown in Figure 2, working principle of the present utility model is as follows:
Process control machine drives displacement transducer and chaining pin to detect the armature end face of tested common-rail injector by the motion of controlling transmission device;
In the time that described chaining pin detects described armature end face, the trigger signal control sensing device stop motion that described process control machine sends according to described displacement transducer, described process control machine sends default pulsewidth to ECU simultaneously, described ECU powers on to described tested common-rail injector according to default pulse-width controlled high low pressure driver, and described tested common-rail injector is started working;
Described displacement transducer is according to the displacement amount of the tested common-rail injector of chaining pin contact type measurement mode Real-time Collection, and the displacement amount collecting is transferred to described process control machine;
Described process control machine, according to described displacement amount, obtains armature and generates, and completes detection
To sum up, the utility model common-rail injector upper armature lift is measured under dynamical state, meets the actual operating mode of armature, makes detection accuracy high; Adopt chaining pin contact type measurement, also make accuracy increase; Duplicate measurements precision high (≤0.001mm); And then be applicable to assemble and detect and after market maintenance use on common-rail injector production line.
It should be noted that, term " comprises " in this article, " comprising " or its any other variant be intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technological scheme that still can record aforementioned each embodiment is modified, or part technical characteristics is wherein equal to replacement; And these amendments or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment's technological scheme of the utility model.
Claims (3)
1. the dynamic lift detection system of common-rail injector armature, is characterized in that, comprising: process control machine, transmission device, displacement detector, ECU, high low pressure driver,
Described displacement detector comprises displacement transducer and chaining pin;
Described high low pressure driver is connected with tested common-rail injector with described ECU respectively;
Described process control machine is connected with described transmission device, displacement detector and ECU respectively, and described transmission device connects described displacement detector, and described displacement detector detects tested common-rail injector.
2. the dynamic lift detection system of common-rail injector armature as claimed in claim 1, is characterized in that, this system also comprises voltage regulator, and described voltage regulator connects described high low pressure driver, for regulating described tested common-rail injector driving voltage.
3. the dynamic lift detection system of common-rail injector armature as claimed in claim 1, is characterized in that, this system also comprises current regulator, and described current regulator connects described high low pressure driver, for regulating described tested common-rail injector driving current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052137.7U CN203730193U (en) | 2014-01-26 | 2014-01-26 | Detecting system for common rail oil atomizer armature dynamic lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420052137.7U CN203730193U (en) | 2014-01-26 | 2014-01-26 | Detecting system for common rail oil atomizer armature dynamic lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730193U true CN203730193U (en) | 2014-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420052137.7U Expired - Fee Related CN203730193U (en) | 2014-01-26 | 2014-01-26 | Detecting system for common rail oil atomizer armature dynamic lift |
Country Status (1)
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| CN (1) | CN203730193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850851A (en) * | 2014-01-26 | 2014-06-11 | 北京博润宏达科技发展有限公司 | Method and system for detecting dynamic lift range of gag bit of common-rail oil injector |
-
2014
- 2014-01-26 CN CN201420052137.7U patent/CN203730193U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103850851A (en) * | 2014-01-26 | 2014-06-11 | 北京博润宏达科技发展有限公司 | Method and system for detecting dynamic lift range of gag bit of common-rail oil injector |
| CN103850851B (en) * | 2014-01-26 | 2017-04-12 | 北京博润宏达科技发展有限公司 | Method and system for detecting dynamic lift range of gag bit of common-rail oil injector |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20220126 |