CN105698725B - A kind of accelerator position measuring equipment of dual fuel engine - Google Patents
A kind of accelerator position measuring equipment of dual fuel engine Download PDFInfo
- Publication number
- CN105698725B CN105698725B CN201610028360.1A CN201610028360A CN105698725B CN 105698725 B CN105698725 B CN 105698725B CN 201610028360 A CN201610028360 A CN 201610028360A CN 105698725 B CN105698725 B CN 105698725B
- Authority
- CN
- China
- Prior art keywords
- sleeve
- positioning sleeve
- skewback
- accelerator
- screw rod
- 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.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fuel-Injection Apparatus (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a kind of accelerator position measuring equipment of dual fuel engine, the throttle position including fuel pump, accelerator rod, mating connection on fuel pump obtains component, displacement sensor, controller, it is characterized in that：Throttle position, which obtains component, to be included a positioning sleeve, is connected with positioning sleeve left end and is equipped with the sleeve of inclined legs, the right end of positioning sleeve is connected with fuel pump, the left end of accelerator rod is stretched into positioning sleeve, further include the double end ladder screw rod in sleeve, be connected the skewback on double end ladder screw rod, and the right part of double end ladder screw rod and the left end of accelerator rod are connected；Displacement sensor and the oblique branch pipe being located on sleeve are connected, and the lower face of displacement sensor is parallel with the inclined-plane of the skewback.The present invention can make dual fuel engine have higher fuel oil substitution rate under different operating modes, improve the ratio of substitute gas diesel oil, reach optimal performance.
Description
Technical field
The present invention relates to machine detecting device is started, a kind of accelerator position measuring equipment of dual fuel engine is particularly.
Background technology
Dual fuel engine is a kind of engine by the two kinds of fuel co-fire actings of bavin oil and gas, wherein diesel oil
Direct-injection is lighted, then with one combust of natural gas.Natural gas with respect to diesel oil inexpensively, it is desirable to dual fuel engine in work
During work, less diesel oil is sprayed, sucks more natural gas, the ratio of substitute gas diesel oil is allowed to improve.In double fuel
The emitted dose of governor system control diesel oil in engine working process, natural gas control system control natural according to throttle position
The aperture of air valve, and then the flow of natural gas is controlled, in different throttle positions, different accelerator open degrees is controlled, and then is controlled
Make different gas discharges.Traditional dual fuel engine does not control the aperture of natural gas valve, is transported in dual fuel engine
Capable each different operating mode, it is impossible to the ratio of substitute gas diesel oil be made to reach highest, it is also difficult to reach optimal performance.
Therefore it is badly in need of a kind of device for measuring throttle position of exploitation in the dual fuel engine of bavin oil and gas cofiring, makes double fuel
Engine has higher fuel oil substitution rate under different operating modes, obtains preferable performance.CN 201488723U disclose one
Kind accelerator position measuring equipment, on injection pump of engine, including the sensor stand being mounted on the injection pump, institute
It states and angular displacement sensor is installed on sensor stand, the rotation axis of the angular displacement sensor and the injection pump of engine
Throttle axis pin is fixedly connected；It is accurate that throttle signal obtains, easy for installation, simple in structure and practical reliable.But it cannot be used for double
Engine fuel.
The content of the invention
The object of the present invention is to provide a kind of accelerator position measuring equipments of dual fuel engine, can send out double fuel
Motivation has higher fuel oil substitution rate under different operating modes, improves the ratio of substitute gas diesel oil, reaches optimal property
Energy.
A kind of accelerator position measuring equipment of dual fuel engine of the present invention, including fuel pump, is located at fuel pump
On accelerator rod, the throttle position on fuel pump of being connected obtains component, be connected obtains component in throttle position
On displacement sensor, the controller that is electrically connected with displacement sensor, it is characterized in that：
The throttle position, which obtains component, to be included a positioning sleeve, is connected with positioning sleeve left end and be equipped with inclined legs
Sleeve, right end and the fuel pump of the positioning sleeve are connected, and the left end of the accelerator rod is stretched into the positioning sleeve, also wrapped
Include the double end ladder screw rod in the sleeve, the skewback being connected on double end ladder screw rod, the double end ladder spiral shell
The right part of bar and the left end of the accelerator rod are connected；Institute's displacement sensors and the oblique branch pipe being located on sleeve coordinate
Connection, the lower face of institute's displacement sensors are corresponding with the skewback.
Further, a certain distance, institute's rheme are retained between the inclined-plane on the lower face and skewback of institute's displacement sensors
Displacement sensor is connected by harness with controller noted above；The lower face of institute's displacement sensors is parallel with the inclined-plane of the skewback.
Further, external screw thread, big turret head, radial direction screw hole and square are equipped on the outer wall of the positioning sleeve successively from right to left
Shape annular groove, the inner wall of the positioning sleeve are more than the stepped hole of right part diameter for left part diameter；Outer spiral shell on the positioning sleeve outer wall
Line is connected with the fuel pump, and determines in the positioning sleeve between fuel pump equipped with copper gasket.
Further, the inner cavity left end closing right-end openings of the sleeve, radial direction via is equipped in the right part of the sleeve,
It is equipped with and is tilted to the right from top to bottom and tapped oblique branch pipe at the middle part of sleeve position to the right；The sleeve it is interior
The right part of chamber and the left part of the positioning sleeve coordinate, and the radial direction via is corresponding with the radial direction screw hole on the positioning sleeve,
And it is connected by screw fixation；Rectangle annular groove on the positioning sleeve and the first sealing is equipped between the inner cavity of the sleeve
Circle.
Further, the double end ladder screw rod is equipped with right part screw thread, small turret head, step and left part spiral shell from right to left
Line；The axial screw-internal thread fit of the right part screw thread of the double end ladder screw rod and the accelerator rod left end of the fuel pump, and
Rotate small turret head fastening；The middle part of the cross through hole that the skewback lower part is equipped with and the double end ladder screw rod coordinates, and
The right side of the skewback is abutted with the step on the double end ladder screw rod；The left part of one nut and the double end ladder screw rod
Thread fitting is connected and abutted with the left side of the skewback.
Further, institute's displacement sensors are connected with the screw-internal thread fit of the oblique branch pipe on the sleeve, and pass through locking
Nut fastens, and the second sealing ring is equipped between the inner wall and displacement sensor of the oblique branch pipe.
When dual fuel engine works, the pull rod of fuel pump, which moves right, represents that throttle increases, and the pull rod of fuel pump is to the right
When mobile, skewback also and then moves right, and the inclined-plane of skewback and the distance of displacement sensor are bigger, displacement sensor by with it is oblique
The variation of the chamfer distance of block exports different voltage to controller（ECU）, pass through controller（ECU）Calibration just can know that fuel oil
The throttle position of pump.
The beneficial technique effect of the present invention：
As a result of technical scheme so that dual fuel engine can obtain fuel pump during the work time
Throttle position, and then control gas quantity, improve the stability of dual fuel engine, and the substitution rate of combustion gas can be made to reach most
Height, so as to reduce the expense of fuel.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the partial enlarged view of Fig. 1；
Fig. 3 is the structure diagram of positioning sleeve；
Fig. 4 is the structure diagram of sleeve；
Fig. 5 is the structure diagram of double end ladder screw rod；
Fig. 6 is the structure diagram of skewback；
Fig. 7 is the calibration map of throttle position and voltage.
In figure：1- fuel pumps, 2- accelerator rods, 3- positioning sleeves, 4- sleeves, 5- double end ladder screw rods, 6- skewbacks,
7- nuts, 8- screws, 9- displacement sensors, 10- locking nuts, the first sealing rings of 11-, the second sealing rings of 12-, 13-
Copper gasket, 14- harness, 15- controllers（ECU）, the calibration curve of 16- throttle positions and voltage；
31- external screw threads, the big turret heads of 32-, 33- radial direction screw holes, 34- rectangle annular grooves；
41- inner cavities, 42- radial direction vias, the oblique branch pipes of 43-；
51- right parts screw thread, the small turret heads of 52-, 53- steps, 54- left parts screw thread；
61- cross through hole, 62 inclined-planes.
Specific embodiment
It elaborates below in conjunction with attached drawing and preferred embodiment to the present invention, it is to be understood that the protection model of the present invention
It encloses and is not restricted by specific implementation.
A kind of accelerator position measuring equipment of dual fuel engine shown in referring to Fig. 1 or Fig. 2, including fuel pump 1, sets
The throttle position of accelerator rod 2, mating connection on fuel pump on fuel pump obtains component, is connected in throttle position
The controller 15 for obtain the displacement sensor 9 on component, being electrically connected with displacement sensor, the substantive distinguishing features protruded are：
The throttle position, which obtains component, to be included a positioning sleeve 3, is connected with positioning sleeve left end and be equipped with inclined legs
Sleeve 4, right end and the fuel pump 1 of the positioning sleeve be connected, and the left end of the accelerator rod 2 stretches into the positioning sleeve
It is interior, the double end ladder screw rod 5 in the sleeve is further included, the skewback 6 being connected on double end ladder screw rod is described double
The right part of head ladder screw rod is connected with the left end of the accelerator rod；Institute's displacement sensors 9 are with being located on sleeve 4
Oblique branch pipe is connected, and the lower face of institute's displacement sensors is corresponding with the skewback.
Retain a certain distance between inclined-plane 62 on the lower face and skewback 6 of institute's displacement sensors 9, the displacement passes
Sensor is connected by harness 14 with controller noted above 15；The lower face of institute's displacement sensors and the inclined-plane 62 of the skewback are flat
Row.
Referring to Fig. 3, external screw thread 31, big turret head 32, radial direction spiral shell are equipped on the outer wall of the positioning sleeve 3 successively from right to left
Hole 33 and rectangle annular groove 34, the inner wall of the positioning sleeve 3 are more than the stepped hole 35 of right part diameter for left part diameter；The positioning sleeve
External screw thread 31 on 3 outer walls is connected with the fuel pump 1, and determines in the positioning sleeve between fuel pump equipped with copper pad
Piece 13.
Referring to Fig. 4, the inner cavity 41 left end closing right-end openings of the sleeve 4 are equipped with radially in the right part of the sleeve
Via 42 is equipped at the middle part of sleeve position to the right and is tilted to the right from top to bottom and tapped oblique branch pipe 43；Institute
It states the right part of the inner cavity 41 of sleeve with the left part of the positioning sleeve 3 to coordinate, on the radial direction via 42 and the positioning sleeve
Radial direction screw hole 33 correspond to, and pass through screw 8 connection fix；In rectangle annular groove 34 and the sleeve on the positioning sleeve
The first sealing ring 11 is equipped between chamber 41.
Referring to Fig. 5 and Fig. 6, the double end ladder screw rod 5 is equipped with right part screw thread 51, small turret head 52, platform from right to left
Rank 53 and left part screw thread 54；The right part screw thread 51 of the double end ladder screw rod and 2 left end of accelerator rod of the fuel pump
Axial screw-internal thread fit, and rotate the fastening of small turret head；The cross through hole 61 that 6 lower part of skewback is equipped with and the double end rank
The middle part cooperation of ladder shell bar, and the right side of the skewback is abutted with the step on the double end ladder screw rod；One nut 7 and institute
The left part screw thread 54 for stating double end ladder screw rod is connected and is abutted with the left side of the skewback.
Institute's displacement sensors 9 are connected with the screw-internal thread fit of the oblique branch pipe 43 on the sleeve, and pass through locking nut
10 fastenings, and the second sealing ring 12 is equipped between the inner wall and displacement sensor of the oblique branch pipe.
Operation principle：Referring to Fig. 7, when dual fuel engine works, the throttle railing 2 of fuel pump 1, which moves right, represents hair
Motivation is refueled, and more past to move right, throttle is bigger, and when accelerator rod moves right, skewback 6 also and then moves right, and displacement passes
The distance between the lower face of sensor and inclined-plane 62 of skewback 6 also become larger therewith, the voltage that such displacement sensor is exported to ECU
Also become smaller therewith, the position of such fuel pump translates into voltage signal to controller（ECU）.In dual fuel engine not work
When making, throttle position 0, at this moment displacement sensor be output to controller（ECU）Voltage for U1, when dual fuel engine is expired
During load, throttle position 100%, at this moment displacement sensor be output to controller（ECU）Voltage for U2, can thus lead to
The throttle position of Fig. 7 and 16 curve of calibration curve of voltage are crossed to demarcate, controller（ECU）Oil can obtain according to voltage signal
The position signal of door.
Claims (6)
1. a kind of accelerator position measuring equipment of dual fuel engine, including fuel pump（1）, the accelerator rod that is located on fuel pump
（2）, the throttle position on fuel pump of being connected obtains component, the displacement obtained in throttle position on component that is connected passes
Sensor（9）, the controller that is electrically connected with displacement sensor（15）, it is characterized in that：
The throttle position, which obtains component, includes a positioning sleeve（3）, be connected with positioning sleeve left end and be equipped with the set of oblique branch pipe
Cylinder（4）, the right end and fuel pump of the positioning sleeve（1）It is connected, the accelerator rod（2）Left end stretch into the positioning sleeve
It is interior, further include the double end ladder screw rod in the sleeve（5）, the skewback that is connected on double end ladder screw rod（6）, institute
The right part of double end ladder screw rod is stated to be connected with the left end of the accelerator rod；
Institute's displacement sensors（9）With being located at sleeve（4）On oblique branch pipe be connected, the lower face of institute's displacement sensors with
The skewback corresponds to.
2. the accelerator position measuring equipment of dual fuel engine according to claim 1, it is characterized in that：The displacement sensing
Device（9）Lower face and skewback（6）On inclined-plane（62）Between retain a certain distance, institute's displacement sensors（9）Pass through line
Beam（14）With controller noted above（15）Connection；The lower face of institute's displacement sensors and the inclined-plane of the skewback（62）It is parallel.
3. the accelerator position measuring equipment of dual fuel engine according to claim 1, it is characterized in that：The positioning sleeve
（3）Outer wall on from right to left successively be equipped with external screw thread（31）, big turret head（32）, radial direction screw hole（33）With rectangle annular groove
（34）, the positioning sleeve（3）Inner wall for left part diameter be more than right part diameter stepped hole（35）；The positioning sleeve（3）Outer wall
On external screw thread（31）With the fuel pump（1）It is connected, and copper gasket is equipped between the positioning sleeve and fuel pump
（13）.
4. the accelerator position measuring equipment of dual fuel engine according to claim 1, it is characterized in that：The sleeve（4）
Inner cavity（41）Left end closes right-end openings, and radial direction via is equipped in the right part of the sleeve（42）, in the sleeve
Portion position to the right is equipped with and is tilted to the right from top to bottom and tapped oblique branch pipe（43）；The inner cavity of the sleeve（41）The right side
End and the positioning sleeve（3）Left part cooperation, the radial direction via（42）With the radial direction screw hole on the positioning sleeve（33）
It is corresponding, and pass through screw（8）Connection is fixed；Rectangle annular groove on the positioning sleeve（34）With the inner cavity of the sleeve（41）It
Between be equipped with the first sealing ring（11）.
5. the accelerator position measuring equipment of dual fuel engine according to claim 1, it is characterized in that：The double end ladder
Screw rod（5）Right part screw thread is equipped with from right to left（51）, small turret head（52）, step（53）With left part screw thread（54）；It is described
The right part screw thread of double end ladder screw rod（51）With the accelerator rod of the fuel pump（2）The axial screw-internal thread fit of left end, and
Small turret head is rotated to tighten admittedly；The skewback（6）The cross through hole that lower part is equipped with（61）With the middle part of the double end ladder screw rod
Cooperation, and the right side of the skewback is abutted with the step on the double end ladder screw rod；One nut（7）With the double end ladder
The left part screw thread of screw rod（54）It is connected and is abutted with the left side of the skewback.
6. the accelerator position measuring equipment of dual fuel engine according to claim 4, it is characterized in that：The displacement sensing
Device（9）With the oblique branch pipe on the sleeve（43）Screw-internal thread fit connection, and pass through locking nut（10）Fastening, and described
The second sealing ring is equipped between the inner wall and displacement sensor of oblique branch pipe（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610028360.1A CN105698725B (en) | 2016-01-15 | 2016-01-15 | A kind of accelerator position measuring equipment of dual fuel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610028360.1A CN105698725B (en) | 2016-01-15 | 2016-01-15 | A kind of accelerator position measuring equipment of dual fuel engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105698725A CN105698725A (en) | 2016-06-22 |
| CN105698725B true CN105698725B (en) | 2018-06-01 |
Family
ID=56227363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610028360.1A Active CN105698725B (en) | 2016-01-15 | 2016-01-15 | A kind of accelerator position measuring equipment of dual fuel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105698725B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036518A (en) * | 2017-04-14 | 2017-08-11 | 哈尔滨哈船动力技术有限责任公司 | Inductive displacement transducer fixation measuring device and its measuring method |
| CN109373884A (en) * | 2018-11-09 | 2019-02-22 | 深圳市百兴源科技有限公司 | A kind of throttle stroke measuring device |
| CN113777420A (en) * | 2021-08-10 | 2021-12-10 | 东风柳州汽车有限公司 | System and method for determining electrical characteristic curve of accelerator pedal |
| CN113882957B (en) * | 2021-10-22 | 2024-05-10 | 中核核电运行管理有限公司 | Throttle detects push-and-pull instrument |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2497055Y (en) * | 2001-08-10 | 2002-06-26 | 江苏理工大学 | LPG. CNG/diesel dual-fuel electric-control apparatus for automobile engine |
| CN2534374Y (en) * | 2002-03-01 | 2003-02-05 | 贵州红华科技开发有限公司 | Accelerator position sensor |
| CN101429894A (en) * | 2008-12-15 | 2009-05-13 | 三一重工股份有限公司 | Diesel engine throttle position detection method and detection apparatus |
| CN102564371A (en) * | 2011-12-19 | 2012-07-11 | 苏州工业园区格比机电有限公司 | Inspection device for automobile pedal and detection method for inspection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6543395B2 (en) * | 1998-10-13 | 2003-04-08 | Gas Technologies, Inc. | Bi-fuel control system and retrofit assembly for diesel engines |
-
2016
- 2016-01-15 CN CN201610028360.1A patent/CN105698725B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2497055Y (en) * | 2001-08-10 | 2002-06-26 | 江苏理工大学 | LPG. CNG/diesel dual-fuel electric-control apparatus for automobile engine |
| CN2534374Y (en) * | 2002-03-01 | 2003-02-05 | 贵州红华科技开发有限公司 | Accelerator position sensor |
| CN101429894A (en) * | 2008-12-15 | 2009-05-13 | 三一重工股份有限公司 | Diesel engine throttle position detection method and detection apparatus |
| CN102564371A (en) * | 2011-12-19 | 2012-07-11 | 苏州工业园区格比机电有限公司 | Inspection device for automobile pedal and detection method for inspection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105698725A (en) | 2016-06-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105698725B (en) | A kind of accelerator position measuring equipment of dual fuel engine | |
| KR101139893B1 (en) | Split-cycle engine with a helical crossover passage | |
| US9334813B2 (en) | Control system for a dual-fuel engine | |
| US9976510B2 (en) | Fuel injection control apparatus | |
| US10570865B2 (en) | Fuel injector with variable flow direction | |
| US10830199B2 (en) | Method for slow starting a reciprocating engine | |
| US20150308386A1 (en) | Gas mixer for internal combustion engines | |
| EP2943671A1 (en) | Method and arrangement for determining a fuel quality | |
| US20170002724A1 (en) | Control system for spark-ignition internal combustion engine | |
| US20160363077A1 (en) | Fuel system abnormality detecting device of internal combustion engine | |
| US20140116388A1 (en) | Fuel system retrofit kit for an engine | |
| US8468999B2 (en) | Fuel injection control system of internal combustion engine | |
| JP2022003256A (en) | Combustion systems and methods | |
| US20170204826A1 (en) | Multi-hole fuel injector with sequential fuel injection | |
| JP4958850B2 (en) | Mixture temperature estimation device for internal combustion engine | |
| US10018106B2 (en) | Engine system with rotatable intake port | |
| CN108119234A (en) | Variable compression ratio internal combustion engine | |
| CN102787929B (en) | Method for running internal combustion engine | |
| JP5556970B2 (en) | Cetane number determination device for internal combustion engine | |
| US20190107041A1 (en) | Internal Combustion Engine Control Device | |
| CA2447833A1 (en) | Fuel injection control apparatus for engines | |
| EP3225823A1 (en) | Ship propulsion system | |
| WO2016013432A1 (en) | Control device for internal combustion engine | |
| CN105940860B (en) | A kind of new tea picking machine system | |
| WO2023063304A1 (en) | Combustion state diagnosis system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 402160 in Fenghuang Lake Industrial Park, Yongchuan District, Chongqing Patentee after: Chongqing Pangu Power Technology Co.,Ltd. Address before: 402160 in Fenghuang Lake Industrial Park, Yongchuan District, Chongqing Patentee before: CHONGQING GOOGOL ENGINE-TECH Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |