CN202851228U - Detector for single-time injection oil quantity of common rail oil atomizer - Google Patents
Detector for single-time injection oil quantity of common rail oil atomizer Download PDFInfo
- Publication number
- CN202851228U CN202851228U CN 201220524751 CN201220524751U CN202851228U CN 202851228 U CN202851228 U CN 202851228U CN 201220524751 CN201220524751 CN 201220524751 CN 201220524751 U CN201220524751 U CN 201220524751U CN 202851228 U CN202851228 U CN 202851228U
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- oil
- common rail
- common
- atomizer
- detector
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- Withdrawn - After Issue
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Abstract
The utility model relates to a detector for the single-time injection oil quantity of a common rail oil atomizer. The detector comprises a machine base. An oil distributing block is arranged on the top of the machine base. A fixed installing holder is arranged at the top end of the oil distributing block. The fixed installing holder is provided with a common rail atomizer. The common rail atomizer is fixedly connected with the fixed installing holder through a latch segment. A pressure sensor 1 and a safety valve are respectively arranged on the front side and the back side of the oil distributing block. A pressure sensor 2 and a temperature sensor are respectively arranged above the pressure sensor 1 and the safety valve and on the front side and the back side of the oil distributing block. Link blocks are respectively arranged on the right side and the left side of the oil distributing block. The link block is provided with a high-speed ration oil draining valve. An outlet of the high-speed ration oil draining valve is connected with a flowmeter through a tee joint. The detector for the single-time injection oil quantity of the common rail oil atomizer has the advantages that the instrument is used in a producing scene and for quickly detecting the single-time injection oil quantity of the common rail oil atomizer and oil injection rules. The detector supplies a very important evaluation means of key performance parameters for the crude oil engine common rail technology development and the manufacture of oil atomizers in China.
Description
Technical field
The utility model relates to a kind of common-rail injector single injection event oil mass detector.
Background technique
Common rail system is state-of-the-art technology and the product in present international diesel engine field, be characterized in realizing the energy-saving and emission-reduction of automobile, and effect is remarkable.At present, the car in Europe existing 60% has adopted the diesel common rail system, and medium and heavy car has almost all adopted the diesel common rail system.Critical component in the diesel common rail system is the common-rail injector that plays the fuel oil jet-action, and the final mass evaluating of oil sprayer is exactly single injection event oil mass and the fuel injection characteristic of oil sprayer.Therefore, the single injection event oil mass of oil sprayer and the automatic checkout equipment of fuel injection characteristic are the nucleus equipments that common-rail injector is made, the core of such detection facility is single injection event oil mass detector, be called for short single-time injection instrument, the single-time injection instrument of selling is at home at present mainly made by French EFS and German moehwald company, after its working principle is the oil sprayer oil spout, pushing piston moves, by metering piston stroke and Volume Changes, calculate the single fuel injection quantity, the problem of appearance is that the dumb situation of moving often appears in piston owing to oil product cleaning reason, can not accurate-metering, and maintenance cost is very high.
The model utility content
The purpose of this utility model provides a kind of common-rail injector single injection event oil mass detector, solves existing single-time injection instrument owing to oil product cleans reason, and causes the piston dumb situation that often occurs moving, problem that can not accurate-metering.
The purpose of this utility model is to be achieved through the following technical solutions:
A kind of common-rail injector single injection event oil mass detector, comprise support, the top of described support is provided with a minute oil clot, divide the top of oil clot to be provided with fixing and mounting bracket, fixing and mounting bracket is provided with common-rail injector, common-rail injector is fixedly connected with fixing and mounting bracket by locking block, the both sides, front and back of described minute oil clot are respectively equipped with pressure transducer one and safety valve, the top that the both sides, front and back of minute oil clot are positioned at pressure transducer one and safety valve is respectively equipped with pressure transducer two and temperature transducer, the left and right sides of described minute oil clot is respectively equipped with contiguous block, the high-speed quantitative draining valve is installed on the contiguous block, and the outlet of high-speed quantitative draining valve is connected with the external flow meter by threeway.
Described pressure transducer one is corresponding with the position of safety valve, and pressure transducer two is corresponding with the position of temperature transducer.
The beneficial effects of the utility model are: a kind of new instrument that detects common-rail injector single injection event oil mass is provided, and this instrument can be applicable to make on-the-spot, and common-rail injector single injection event oil mass and fuel injection characteristic are carried out fast detecting.Succeeding in developing of this detecting instrument can fill the domestic gaps, and is total to the manufacturing of rail technical development and oil sprayer for China's diesel engine, and the important evaluation means of critical performance parameters is provided.
Description of drawings
The below is described in further detail the utility model with reference to the accompanying drawings.
Fig. 1 is the plan view of the described common-rail injector single injection event of the utility model embodiment oil mass detector;
Fig. 2 is the side view of the described common-rail injector single injection event of the utility model embodiment oil mass detector.
Among the figure:
1, support; 2, divide oil clot; 3, fixing and mounting bracket; 4, locking block; 5, pressure transducer one; 6, pressure transducer two; 7, temperature transducer; 8, safety valve; 9, contiguous block; 10, high-speed quantitative draining valve; 11, common-rail injector.
Embodiment
Shown in Fig. 1-2, the described a kind of common-rail injector single injection event oil mass detector of the utility model embodiment, comprise support 1, the top of described support 1 is provided with minute oil clot 2, divide the top of oil clot 2 to be provided with fixing and mounting bracket 3, fixing and mounting bracket 3 is provided with common-rail injector 11, common-rail injector 11 is fixedly connected with fixing and mounting bracket 3 by locking block 4, the both sides, front and back of described minute oil clot 2 are respectively equipped with pressure transducer 1 and safety valve 8, the top that is positioned at pressure transducer 1 and safety valve 8 on the both sides, front and back of minute oil clot 2 is respectively equipped with pressure transducer 26 and temperature transducer 7, the left and right sides of described minute oil clot 2 is respectively equipped with contiguous block 9, high-speed quantitative draining valve 10 is installed on the contiguous block 9, and the outlet of high-speed quantitative draining valve 10 is connected with the external flow meter by threeway; The position of described pressure transducer 1 is corresponding with the position of safety valve 8, and the position of pressure transducer 26 is corresponding with the position of temperature transducer 7.
During the normal operation of the described common-rail injector single injection event of the utility model embodiment oil mass detector, the operator manually puts into fixing and mounting bracket 3 with a tested common-rail injector 11, then by locking block 4 tested common-rail injector 11 is fixed and locking; Control tested common-rail injector 11 to dividing oil extraction in the oil clot 2 by control system, simultaneously two high-speed quantitative draining valve 10 independent or intermittently oil extractions, make minute oil clot 2 inner chambers be full of oil, and reach certain pressure that arranges, at this moment, can begin to measure the oil mass of the each or multi-injection of tested common-rail injector 11, high frequency combination oil extraction by 1 or 2 high-speed quantitative draining valve 10 of program control, make the oil pressure in minute oil clot 2 maintain certain limit, by pressure transducer 1 or pressure transducer 26, the data capture of temperature transducer 7 and flowmeter and processing automatically calculate the single fuel injection quantity and reach repeatedly fuel injection quantity.High-speed quantitative draining valve 10 can guarantee that overload does not appear in minute oil clot 2 chamber pressures.
The measures range of the utility model oil mass is 300mm
3, resolution is 0.01mm
3, can measure the multi-injection rule such as pre-spray, main jet, rear spray of oil sprayer, can measure single injection event flow and multi-injection integrated flow.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but do any variation in its shape or structure; every have identical with a application or akin technological scheme, all drops within the protection domain of the present utility model.
Claims (4)
1. common-rail injector single injection event oil mass detector, comprise support (1), it is characterized in that: the top of described support (1) is provided with a minute oil clot (2), divide the top of oil clot (2) to be provided with fixing and mounting bracket (3), fixing and mounting bracket (3) is provided with common-rail injector (11), described minute oil clot (2) the both sides, front and back be respectively equipped with pressure transducer one (5) and safety valve (8), the top that the both sides, front and back of minute oil clot (2) are positioned at pressure transducer one (5) and safety valve (8) is respectively equipped with pressure transducer two (6) and temperature transducer (7), divide the left and right sides of oil clot (2) to be respectively equipped with contiguous block (9), high-speed quantitative draining valve (10) is installed on the contiguous block (9), and the outlet of high-speed quantitative draining valve (10) is connected with the external flow meter by threeway.
2. common-rail injector single injection event oil mass detector according to claim 1, it is characterized in that: described pressure transducer one (5) is corresponding with the position of safety valve (8).
3. common-rail injector single injection event oil mass detector according to claim 2, it is characterized in that: described pressure transducer two (6) is corresponding with the position of temperature transducer (7).
4. each described common-rail injector single injection event oil mass detector according to claim 1-3, it is characterized in that: described common-rail injector (11) is fixedly connected with fixing and mounting bracket (3) by locking block (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524751 CN202851228U (en) | 2012-10-12 | 2012-10-12 | Detector for single-time injection oil quantity of common rail oil atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220524751 CN202851228U (en) | 2012-10-12 | 2012-10-12 | Detector for single-time injection oil quantity of common rail oil atomizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202851228U true CN202851228U (en) | 2013-04-03 |
Family
ID=47982435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220524751 Withdrawn - After Issue CN202851228U (en) | 2012-10-12 | 2012-10-12 | Detector for single-time injection oil quantity of common rail oil atomizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202851228U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889158A (en) * | 2012-10-12 | 2013-01-23 | 机科发展科技股份有限公司 | Single injection quantity detector of common rail oil injector |
| CN110397534A (en) * | 2019-07-15 | 2019-11-01 | 黑龙江大学 | The ultrasonic measuring device and measurement method of differential pressure type single injection of fuel quality |
| CN110425068A (en) * | 2019-07-15 | 2019-11-08 | 黑龙江大学 | The ultrasonic measuring device and measurement method of single injection of fuel quality |
| CN112648123A (en) * | 2020-12-21 | 2021-04-13 | 中国北方发动机研究所(天津) | Piezoelectric type single injection measuring instrument |
-
2012
- 2012-10-12 CN CN 201220524751 patent/CN202851228U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102889158A (en) * | 2012-10-12 | 2013-01-23 | 机科发展科技股份有限公司 | Single injection quantity detector of common rail oil injector |
| CN102889158B (en) * | 2012-10-12 | 2016-02-17 | 机科发展科技股份有限公司 | Single injection quantity detector of common rail oil injector |
| CN110397534A (en) * | 2019-07-15 | 2019-11-01 | 黑龙江大学 | The ultrasonic measuring device and measurement method of differential pressure type single injection of fuel quality |
| CN110425068A (en) * | 2019-07-15 | 2019-11-08 | 黑龙江大学 | The ultrasonic measuring device and measurement method of single injection of fuel quality |
| CN112648123A (en) * | 2020-12-21 | 2021-04-13 | 中国北方发动机研究所(天津) | Piezoelectric type single injection measuring instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130403 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |