CN2066897U - Electronic speed governor executive system for diesel engine - Google Patents
Electronic speed governor executive system for diesel engine Download PDFInfo
- Publication number
- CN2066897U CN2066897U CN 90206366 CN90206366U CN2066897U CN 2066897 U CN2066897 U CN 2066897U CN 90206366 CN90206366 CN 90206366 CN 90206366 U CN90206366 U CN 90206366U CN 2066897 U CN2066897 U CN 2066897U
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- CN
- China
- Prior art keywords
- diesel engine
- ratch
- actuator
- guide rod
- rotating speed
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- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
The utility model relates to an electronic speed governor executive system for a diesel engine, which is controlled by a microcomputer and belongs to the electronic control system of engines. A direct current linear motion actuator automatically adjusts the fuel supply of the high pressure oil pump of the diesel engine; a manually oil supply regulating mechanism can realize functions of artificial adjustment and emergency cutoff. The position of a rack bar and a rotating speed sensor provide necessary parameters for the microcomputer control. Under each given rotating speed, the starting responsivity of the engine is good; no-load rate of rotating speed fluctuation and full-load steady-state speed regulation are both 0%; the fluctuation of the rotating speed is all within 0.3%; when the sudden load change occurs, the location following character of the rack bar is good and the structure is light and handy.
Description
A kind of by micro-processor controlled diesel oil electronic speed regulator actuator, it belongs to the electronic control system of motor.
On diesel engine, for stablizing the rotating speed of diesel engine, automatic speed governing device is housed all, promptly usually said speed regulator.Traditional speed regulator mostly adopts the centrifugal mechanism speed regulating method.Require the very high application of diesel engine speed stability for some, for example the power station diesel engine adopts the mechanical speed governors method to be difficult to obtain gratifying adjusting speed accuracy.Along with development of electronic technology, the electronic speed regulator of function admirable has appearred, and this speed regulator can reach very high adjusting speed accuracy, can satisfy the requirement of power station with diesel engine.Electronic speed regulator can be divided into analog circut formula and digital circuit formula.Compare with analog electronic speed regulator, the digital speed regulator of band microprocessor has stronger function.It carries out the accurately speed governing except that but follow procedure is set, also can realize the fuel feeding of diesel engine is carried out the oil mass correction by the requirement of user and target, this function is specially adapted to supercharged diesel engine and the diesel engine for engineering that requires to have than the high pulling torque reserve factor.
One of critical component of digital electronic speed regulator is the actuator that is used for speed governing high-pressure fuel pump of diesel engine fuel delivery.The effect of actuator is that the signal conversion from electronic controller is become mechanical displacement power, drives the tooth bar of high pressure oil pump with this.Basic demand to actuator is: the output signal to controller has mechanical response rapidly, and enough big Mechanical Driven power is arranged, and is simple in structure, reliable, and has can carry out manual control operation when controller breaks down.
Based on above-mentioned requirements, the purpose of this utility model is to design a kind of diesel engine digital formula electronic speed regulator actuator, makes it can directly accept the digital signal that controller sends, and matches with controller to reach diesel engine is carried out accurate speed governing and oil mass is proofreaied and correct.
Technical solution of the present utility model is: a kind of Digital Governor for Diesel Engine actuator, it comprises a ratch of regulating the high-pressure fuel pump of diesel engine fuel delivery, a ratch displacement actuator and a manual fuel feeding controlling mechanism that makes ratch produce displacement.Special way of the present utility model is that above-mentioned ratch displacement actuator mainly comprises a DC linear electric motor, the connecting head that guide rod and link together guide rod and ratch.Ratch position transducer moving plate is housed on connecting head.At the cam of injection pump next to axis speed probe is installed.Above-mentioned DC linear electric motor is by iron core, and permanent magnet, magnetic boots and the coil rack that is wound with coil are formed, and coil rack is enclosed within on the iron core, can move axially under the electromagnetic force effect.
The core center of above-mentioned DC linear electric motor is porose, and guide rod passes from the hole, and tightens together with coil rack.
The overhanging end of guide rod is provided with the regulator of snubber and control stroke, and the overhanging end of ratch is provided with Returnning spring and adjusting screw.
Manually the fuel feeding controlling mechanism is made up of bearing pin, shift fork and handle, and the plate active handle can make shift fork drive ratch and move with the oiling direction to stopping oil.
The guiding theory of technique scheme is: when this electronic speed regulator actuator and microcomputer are used, must control automatically diesel engine.Be microcomputer according to Fuel Delivery for Diesel Engines and the rotary speed data gathered, send instruction, make the coil rack of DC linear electric motor produce straight-line displacement, and drive ratch and do corresponding moving, thereby change Fuel Delivery for Diesel Engines.Ratch position sensor signal, signals of rotational speed sensor and command signal are constantly imported microcomputer, constantly send control command to DC linear electric motor after microcomputer processing, thereby realize automatic speed regulation.Can artificially control or stop in emergency diesel engine by means of manual fuel feeding controlling mechanism.
Description of drawings:
Accompanying drawing 1 is the structural drawing of a kind of Digital Governor for Diesel Engine actuator.
Accompanying drawing 2 is the part sectioned views of looking closely of accompanying drawing 1.
Accompanying drawing 3 is structural drawing of DC linear electric motor.
Be an embodiment of the present utility model below, provide details of the present utility model by description and accompanying drawing to this embodiment.
Accompanying drawing 1 is the structural drawing of a kind of Digital Governor for Diesel Engine actuator.Among the figure, the mechanical governor of high pressure oil pump (1) end is removed, has loaded onto electronic speed regulator.The actuator of electronic speed regulator is installed in screw and is fastened in the housing (15) on the high pressure oil pump (1).The actuator of electronic speed regulator mainly comprises ratch (2), guide rod (11), DC linear electric motor (14) and the connecting head (21) that ratch (2) and guide rod (11) are connected together.For the ease of manual control, on the bearing pin (20) that connecting head (21) is located shift fork (3) is housed.Also show the ratch displacement transducer moving plate (4) of gathering the ratch displacement signal among the figure, gather the speed probe (16) of engine rotational speed signal and the plug connector (8) of input/output signal that is connected with microcomputer and power supply.
The key technology of electronic speed regulator actuator is DC linear electric motor (14), and its concrete structure has been shown in accompanying drawing 3.DC linear electric motor mainly is made up of iron core (12), permanent magnet (6), magnetic boots (5), coil (7) and coil rack (13).Iron core (12) is fixed on the housing (15), guide rod (11) passes from the center hole of iron core (12), guide rod (11) links together with coil rack (13), coil rack (13) adopts thin walled cylinder shape, the outside is wound with coil (7), and the lead-in wire (17) of coil (7) joins with DC electrical source.Just as shown in FIG., magnetic boots (5) are directed to the axial magnetic field that permanent magnet (6) produces radially, form working gas gap magnetic field, when the mover that is made of coil (7) and coil rack (13) moves to any position, always some is in the working gas gap magnetic field coil (7), in coil (7), pass to a certain size, during the electric current of direction and endurance, coil (7) will be subjected to corresponding size, the electromagnetic force effect of direction and endurance, thereby drive mover and produce corresponding displacement in respective direction, with the microcomputer adapted, this DC linear electric motor has very high speed of response and Location accuracy.
According to the high-pressure fuel pump of diesel engine performance characteristic, on the overhanging end of guide rod (11), be provided with the regulator (9) of snubber (10) and control ratch stroke shown in the accompanying drawing 1, on the overhanging end of ratch (2), be provided with Returnning spring (24) and adjusting screw (25).Adopt said structure, main for the ease of adjusting the idling speed fuel delivery of diesel engine when needed.
Accompanying drawing 2 is the part sectioned views of looking closely of accompanying drawing 1.The sensor that is used to gather the ratch displacement signal among the figure is made up of light-emitting diode component (19), silicon photovoltaic probe assembly (18) and ratch displacement transducer moving plate (4).Form manual fuel feeding controlling mechanism by bearing pin (20) (22), shift fork (3) and handle (23), tighten together with pin between bearing pin (22) and shift fork (3) and the handle (23), shift fork (3) upper end is a fork-shaped, can stir bearing pin (20) and make ratch (2), move with the oiling direction to stopping oil, also can stop in emergency motor.
Effect of the present utility model is that above-mentioned electronic governor actuator for diesel engine cooperates the installation test with microcomputer, under each given rotating speed, can both obtain good response during starting, and in the time of 800～3000 rev/mins, be 1.5～1.8 seconds stabilization time; Steady state speed governing rate when the speed fluctuation rate during the idling lotus and full load all can reach 0%, and the general fluctuation of speed all in ± 0.3%, has realized the constant speed running of diesel engine; During sudden load change, along with the variation of rotating speed, all there is good followability control output and tooth bar position, and act on again rotating speed, thereby obtain extraordinary result. This device just can adapt to different diesel engine specification and purposes as long as change given amplification coefficient, and structure is light and handy, and is cheap, is convenient to promote the use of.
Claims (4)
1, a kind of Digital Governor for Diesel Engine actuator, it comprises a ratch [2] of regulating the high-pressure fuel pump of diesel engine fuel delivery, a ratch displacement actuator and a manual fuel feeding controlling mechanism that makes ratch [2] produce displacement, of the present utility model being characterised in that, above-mentioned ratch displacement actuator mainly comprises a DC linear electric motor [14], the connecting head [21] that a guide rod [11] and one link together guide rod [11] and ratch [2], ratch position transducer moving plate [4] is housed on connecting head [21], at the cam of injection pump next to axis speed probe [16] is installed, above-mentioned DC linear electric motor [14] is by iron core [12], permanent magnet [6], magnetic boots [5] and the coil rack [13] that is wound with coil [7] are formed, coil rack [13] is enclosed within on the iron core [12], can move axially under the electromagnetic force effect.
According to the described Digital Governor for Diesel Engine of claim 1 actuator, it is characterized in that 2, iron core (12) center of above-mentioned DC linear electric motor (14) is porose, guide rod (11) passes from the hole, and tightens together with coil rack (13).
3, according to claim 1 or 2 described Digital Governor for Diesel Engine actuators, it is characterized in that, the overhanging end of guide rod (11) is provided with the regulator (9) of snubber (10) and control stroke, and the overhanging end of ratch (2) is provided with Returnning spring (24) and adjusting screw (25).
4, according to the described Digital Governor for Diesel Engine of claim 1 actuator, it is characterized in that, manually the fuel feeding controlling mechanism is made up of bearing pin (20) (22), shift fork (3) and handle (23), pulls handle (23) shift fork (3) driving ratch (2) is moved with the oiling direction to stopping oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90206366 CN2066897U (en) | 1990-05-11 | 1990-05-11 | Electronic speed governor executive system for diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90206366 CN2066897U (en) | 1990-05-11 | 1990-05-11 | Electronic speed governor executive system for diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2066897U true CN2066897U (en) | 1990-12-05 |
Family
ID=4886969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90206366 Withdrawn CN2066897U (en) | 1990-05-11 | 1990-05-11 | Electronic speed governor executive system for diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2066897U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047019A (en) * | 2012-12-20 | 2013-04-17 | 中国兵器工业集团第七0研究所 | Novel electronic speed regulating mechanism for embedded diesel engine |
| CN103595318A (en) * | 2013-11-25 | 2014-02-19 | 重庆卡滨通用机械有限公司 | Mechanical speed adjustment automatic frequency compensation device of small generator |
| CN107725200A (en) * | 2017-11-17 | 2018-02-23 | 安庆中船柴油机有限公司 | A kind of throttle control system of engine |
-
1990
- 1990-05-11 CN CN 90206366 patent/CN2066897U/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103047019A (en) * | 2012-12-20 | 2013-04-17 | 中国兵器工业集团第七0研究所 | Novel electronic speed regulating mechanism for embedded diesel engine |
| CN103595318A (en) * | 2013-11-25 | 2014-02-19 | 重庆卡滨通用机械有限公司 | Mechanical speed adjustment automatic frequency compensation device of small generator |
| CN107725200A (en) * | 2017-11-17 | 2018-02-23 | 安庆中船柴油机有限公司 | A kind of throttle control system of engine |
| CN107725200B (en) * | 2017-11-17 | 2023-11-21 | 安庆中船柴油机有限公司 | Throttle control system of engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |