CN205744157U - A kind of diesel engine reluctance motor speed regulating actuator - Google Patents
A kind of diesel engine reluctance motor speed regulating actuator Download PDFInfo
- Publication number
- CN205744157U CN205744157U CN201620407266.2U CN201620407266U CN205744157U CN 205744157 U CN205744157 U CN 205744157U CN 201620407266 U CN201620407266 U CN 201620407266U CN 205744157 U CN205744157 U CN 205744157U
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- end cap
- armature
- magnetic conduction
- tooth
- conduction casing
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Abstract
The purpose of this utility model is to provide a kind of diesel engine reluctance motor speed regulating actuator, including magnetic conduction casing, armature, central shaft, left end cap, right end cap, spring base, magnetic conduction casing is the cylindrical structure of hollow, two ends of magnetic conduction casing are respectively mounted left end cap and right end cap, armature is arranged on by magnetic conduction casing, in the space that left end cap and right end cap are constituted, central shaft sequentially passes through left end cap, armature, right end cap and spring base, spring is installed between spring base and right end cap, the middle part of magnetic conduction casing inwall arranges coil groove, magnet exciting coil is installed in coil groove, on the magnetic conduction casing inwall of coil groove both sides, housing tooth is set, armature tooth is set on the outer wall that armature is corresponding with magnetic conduction casing.This utility model is capable of the accurate control of injection pump rack position, it is ensured that diesel engine is unlikely because hypervelocity produces " driving " under high-speed working condition, ensures the stable operation when low speed is with idling simultaneously, and limits its fluctuation of speed under other operating mode.
Description
Technical field
The utility model relates to a kind of Diesel Engine Control device, specifically diesel engine speed regulation device.
Background technology
Due to petroleum-based energy crisis and serious problem of environmental pollution, people to the fuel economy of diesel engine and
Discharge index proposes more stringent requirement.Electron controls technology is used to become diesel technology development
One of important directions, and speed regulating actuator is as the critical component of Digital Governor for System Diesel Engine, to diesel engine
Performance has material impact.
At present, diesel engine electronic speed governing many adoption rates electric magnet or motor are as executor.
In the patent document of Application No. 97242519.5, it is proposed that a kind of electronic speed regulation electromagnetic actuator.
It is made up of position sensor assembly, coupling, executor's body, and position sensor assembly divides with coupling
It is not contained on executor's body, the follower lever of position sensor assembly and the executor's axle on executor's body,
Synchronized bar is linked into one, to reach to turn needed for the linear motion of armature is converted into rotary angle transmitter
Dynamic purpose.Executor's axle realizes the gapless driving between itself and pump rack by coupling.
In the patent application document of Application No. 200710071966.4, it is provided that a kind of jerk pump tooth bar
Redundant electromagnetic driver.It includes housing, installs actuator, sensing element and location in the housing
Guiding mechanism, ensures jerk pump rack drives device by the structure of twin coil bilinear displacement transducer
Can be worked on by other coil and sensor, simultaneously when unicoil damages and single-sensor damages
Ensure diesel engine reliability of operation.
Above-mentioned two patent is inherently the adoption rate electric magnet main enforcement division as electrically-actuated throttle device
Part, and proportion electro-magnet has the shortcomings such as complex process, effective travel be little.
In the patent application document of Application No. 200710071950.3, it is proposed that a kind of diesel engine linear electric motor
Speed regulating actuator.The control that the linear electric motors that it includes housing, be arranged in housing electrically connect with linear electric motors
Device processed and the displacement transducer being connected with diesel injection pump tooth bar, it is possible to achieve diesel engine position model electronics is adjusted
Speed controls.
In the patent application document of Application No. 200910071810.5, it is provided that a kind of rotary diesel engine power
Torque motor executor, it include axle, bearing, gear wheel, angular transducer, torque motor, little gear,
Eccentric, controller etc..Use little torsional forces torque motor, carry out moment amplification by gear mechanism, permissible
Realize bigger moment of torsion, and tooth space eliminating mechanism and corner locating mechanism are installed, it is achieved diesel engine position is controlled
Standard electronic speed regulation function.
Above-mentioned two patent use linear electric motors or torque motor as the main execution unit of electronic speed regulation, so
And linear electric motors cost intensive, torque motor is used as speed governing needs a set of more complicated additional mechanism providing additional operation, have impact on
Their practicality.
Summary of the invention
The purpose of this utility model is to provide the accurate control realizing injection pump rack position, it is ensured that diesel engine
It is unlikely under high-speed working condition because hypervelocity produces " driving ", ensures the stable operation when low speed is with idling simultaneously,
And limit its a kind of diesel engine reluctance motor speed regulating actuator of the fluctuation of speed under other operating mode.
The purpose of this utility model is achieved in that
This utility model one diesel engine reluctance motor speed regulating actuator, is characterized in that: include magnetic conduction casing,
Armature, central shaft, left end cap, right end cap, spring base, described magnetic conduction casing is the cylindrical structure of hollow,
Two ends of magnetic conduction casing are respectively mounted left end cap and right end cap, and armature is arranged on by magnetic conduction casing, left end
In the space that lid and right end cap are constituted, central shaft sequentially passes through left end cap, armature, right end cap and spring base,
The first end of central shaft is positioned at outside left end cap and is connected with jerk pump tooth bar, the second end of central shaft
Portion is positioned at outside spring base and is connected with displacement transducer, installs spring, magnetic conduction between spring base and right end cap
The middle part of inner walls arranges coil groove, installs magnet exciting coil, the magnetic conduction casing of coil groove both sides in coil groove
Housing tooth is set on inwall, the outer wall that armature is corresponding with magnetic conduction casing arranges armature tooth.
This utility model can also include:
1, the housing tooth of magnetic conduction casing is the rectangular teeth that the facewidth is equal, and online ring recess lateral symmetry distribution, rank
The armature tooth of ferrum is identical with the facewidth of housing tooth and tooth pitch, leaves working gas gap between housing tooth and armature tooth.
2, the facewidth of housing tooth is more than the adjustment of displacement scope of jerk pump tooth bar.
3, housing tooth and armature tooth mutually stagger setting.
4, the limited block of restriction central shaft displacement is set between armature and right end cap.
Advantage of the present utility model is: this utility model relative to proportion electro-magnet, its displacement-electromagnetism Massa Medicata Fermentata
The horizontal nature of line is more preferable, and effective travel is bigger, it is easier to realize the accuracy controlling of diesel engine speed, it is ensured that
Diesel engine is unlikely because hypervelocity produces " driving " under high-speed working condition, and ensure when low speed is with idling is steady simultaneously
Fixed operation, and limit its fluctuation of rotating speed under other operating mode.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is this utility model electromagnetic force and relation of displacement under different coil currents.
Detailed description of the invention
Illustrate below in conjunction with the accompanying drawings and this utility model be described in more detail:
In conjunction with Fig. 1～2, this utility model includes central shaft 1, linear bearing 2, left end cap 3, magnetic conduction casing
4, magnet exciting coil 5, armature 6, limited block 7, right end cap 8, spring 9 and spring base 10.Magnetic conduction casing 4
Centre have coil groove, be used for magnet exciting coil 5 is installed；The rectangle that the facewidth is equal is had on magnetic conduction casing 4
Tooth, and its facewidth is more than the adjustment of displacement scope needed for pump rack, and divide in magnet exciting coil 5 lateral symmetry
Cloth；Also a rectangular teeth relative with the tooth on magnetic conduction casing 4 is had on armature 6, and the facewidth and tooth pitch and magnetic conduction
Tooth on housing is identical；Tooth on magnetic conduction casing 4 leaves a certain size work gas with the between cog on armature 6
Gap；Armature 6 and central shaft 1 are fixed together, and central shaft 1 right-hand member is equipped with spring base 10, spring base 10
And equipped with spring 9 between right end cap 8, under the common effect of electromagnetic force and spring force, central shaft 1 is permissible
Move left and right in the axial direction by the linear bearing 2 in the centre bore of left end cap 3 and right end cap 8；Center
Part between right end cap 8 and the armature 6 of axle 1 is equipped with limited block 7, to limit the minimum bit of central shaft 1
Move.
The facewidth of rectangular teeth need to be more than the adjustment of displacement scope needed for jerk pump tooth bar.
Magnetic conduction casing and armature all use electrical pure iron DT4, and other parts all use non-magnet material.
The facewidth is 30mm, and tooth pitch is 56mm, and tooth depth is 6mm, and between cog working gas gap size is 1.2mm, line
Ring recess width 29mm, the magnet exciting coil number of turn is 200.
The left end of central shaft connects jerk pump tooth bar, and right-hand member connects displacement transducer, the electricity of magnet exciting coil
Stream is by controller control.
When magnet exciting coil passes to a certain size electric current, its magnetic line of force produced is by armature, work gas
Gap and magnetic conduction casing form one and close this road.If the tooth on armature staggers certain with the tooth on magnetic conduction casing
Distance, according to magnetic resistance minimum principle, magnetic conduction casing produces a certain size electromagnetic force to armature, its direction with
Staggering of tooth is in opposite direction.
In conjunction with Fig. 2, under different driving electric current, when in the range of the displacement of central shaft is at 4mm to 22mm,
Electromagnetic force has good horizontal nature with the relation of displacement, i.e. electromagnetic force size is unrelated with displacement, here it is
The efficient working range of this speed regulating actuator is (on the basis of when the tooth on magnetic conduction casing aligns with the tooth on armature
Point, the now displacement of central shaft is 0；The direction increased by axial displacement centered by left movement).Limited block can
With limit central shaft least displacement as 4mm, and when magnet exciting coil no power, due to spring base and right-hand member
The existence of spring between lid, central axis is at maximum displacement 22mm.
This utility model is in real work, it is assumed that controller, according to diesel engine condition, needs control oil pump tooth
Bar displacement is x, i.e. needs central shaft to drive pump rack to move right distance x.If spring rate is k, then
The power needed during spring-compressed x length is kx, as long as then controller controls the electric current of magnet exciting coil, makes magnetic conduction
Housing is kx to the electromagnetic force of armature.By changing the size of electric current, it is possible to central shaft is positioned
At a certain displacement, also will control in a certain position by pump rack.
The displacement signal of controller bound site displacement sensor feedback, it is possible to achieve jerk pump rack position
Closed loop control, thus realize good speed-regulating function.
This utility model include central shaft, linear bearing, left end cap, magnetic conduction casing, magnet exciting coil, armature,
Limited block, right end cap, spring and spring base.The centre of magnetic conduction casing has coil groove, is used for installing excitation
Coil；Have the rectangular teeth that the facewidth is equal on magnetic conduction casing, and be distributed in magnet exciting coil lateral symmetry；Armature
On also have a rectangular teeth relative with the tooth on magnetic conduction casing, and the facewidth and tooth pitch and the tooth phase on magnetic conduction casing
With；Tooth on magnetic conduction casing leaves a certain size working gas gap with the between cog on armature；Armature and central shaft
Being fixed together, central shaft right-hand member is equipped with spring base, equipped with spring between spring base and right end cap, at electromagnetism
Under the common effect of power and spring force, central shaft can be by the straight line in the centre bore of left end cap and right end cap
Bearing moves left and right in the axial direction；Part between right end cap and the armature of central shaft equipped with limited block, with
Limit the least displacement of central shaft.The facewidth of rectangular teeth is more than the adjustment of displacement model needed for jerk pump tooth bar
Enclose.The left end of central shaft connects jerk pump tooth bar, and right-hand member connects displacement transducer.
Claims (6)
1. a diesel engine reluctance motor speed regulating actuator, is characterized in that: include magnetic conduction casing, armature, in
Mandrel, left end cap, right end cap, spring base, described magnetic conduction casing is the cylindrical structure of hollow, magnetic conduction shell
Two ends of body are respectively mounted left end cap and right end cap, and armature is arranged on by magnetic conduction casing, left end cap and the right side
In the space that end cap is constituted, central shaft sequentially passes through left end cap, armature, right end cap and spring base, central shaft
First end be positioned at outside left end cap and be connected with jerk pump tooth bar, the second end of central shaft is positioned at
It is connected outside spring base and with displacement transducer, spring is installed, in magnetic conduction casing between spring base and right end cap
The middle part of wall arranges coil groove, installs magnet exciting coil, on the magnetic conduction casing inwall of coil groove both sides in coil groove
Housing tooth is set, the outer wall that armature is corresponding with magnetic conduction casing arranges armature tooth.
A kind of diesel engine reluctance motor speed regulating actuator the most according to claim 1, is characterized in that: lead
The housing tooth of magnetic shell body is the rectangular teeth that the facewidth is equal, and online ring recess lateral symmetry distribution, the armature of armature
Tooth is identical with the facewidth of housing tooth and tooth pitch, leaves working gas gap between housing tooth and armature tooth.
A kind of diesel engine reluctance motor speed regulating actuator the most according to claim 2, is characterized in that: shell
The facewidth of body tooth is more than the adjustment of displacement scope of jerk pump tooth bar.
4., according to a kind of diesel engine reluctance motor speed regulating actuator described in Claims 2 or 3, it is characterized in that:
Housing tooth and armature tooth mutually stagger setting.
5. according to the arbitrary described a kind of diesel engine reluctance motor speed regulating actuator of claim 1-3, its feature
It is: the limited block limiting central shaft displacement is set between armature and right end cap.
A kind of diesel engine reluctance motor speed regulating actuator the most according to claim 4, is characterized in that: rank
The limited block limiting central shaft displacement is set between ferrum and right end cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407266.2U CN205744157U (en) | 2016-05-06 | 2016-05-06 | A kind of diesel engine reluctance motor speed regulating actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407266.2U CN205744157U (en) | 2016-05-06 | 2016-05-06 | A kind of diesel engine reluctance motor speed regulating actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205744157U true CN205744157U (en) | 2016-11-30 |
Family
ID=57371162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620407266.2U Expired - Fee Related CN205744157U (en) | 2016-05-06 | 2016-05-06 | A kind of diesel engine reluctance motor speed regulating actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205744157U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781750A (en) * | 2016-05-06 | 2016-07-20 | 哈尔滨工程大学 | Speed regulation actuator of reluctance motor of diesel engine |
| CN108511146A (en) * | 2018-02-11 | 2018-09-07 | 山东科技大学 | A kind of novel double-direction control proportion electro-magnet device and its control method |
-
2016
- 2016-05-06 CN CN201620407266.2U patent/CN205744157U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781750A (en) * | 2016-05-06 | 2016-07-20 | 哈尔滨工程大学 | Speed regulation actuator of reluctance motor of diesel engine |
| CN108511146A (en) * | 2018-02-11 | 2018-09-07 | 山东科技大学 | A kind of novel double-direction control proportion electro-magnet device and its control method |
| CN108511146B (en) * | 2018-02-11 | 2023-05-26 | 山东科技大学 | Novel bidirectional control proportional electromagnet device and control method thereof |
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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: 20161130 |