CN207835373U - A kind of control system of automatic adjustment engine speed - Google Patents
A kind of control system of automatic adjustment engine speed Download PDFInfo
- Publication number
- CN207835373U CN207835373U CN201721824195.7U CN201721824195U CN207835373U CN 207835373 U CN207835373 U CN 207835373U CN 201721824195 U CN201721824195 U CN 201721824195U CN 207835373 U CN207835373 U CN 207835373U
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- China
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- engine
- output end
- rare earth
- earth permanent
- input terminal
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Abstract
The utility model discloses a kind of control systems of automatic adjustment engine speed, including engine, engine connects with rare earth permanent-magnetic generator, the input terminal of engine is electrically connected with the output end of rotating speed automatic regulating system and control panel by control line, the output end of rare earth permanent-magnetic generator and the input terminal of control panel are electrically connected, and the output end of control panel is electrically connected loaded input terminal.The control system of this automatic adjustment engine speed, the electric impulse signal that output voltage generates is through stepper motor driving circuit, when the load of engine and rare earth permanent-magnetic generator increases, the corresponding step angle of stepping motor makes engine throttle increase or reduce at this time, so that the rotating speed of engine is increased or decreased therewith, is finally reached output end voltage and stablizes constant result.
Description
Technical field
The utility model is related to engine control system technical field, specially a kind of control of automatic adjustment engine speed
System processed.
Background technology
The engine power i.e. source of all strength is broadly divided into mechanical and management class, and existing engine fever is big,
Output torque is relatively low, and motor cannot achieve speed and turn to and adjusts, and light sensitive component is easy to be interfered by dust.
Utility model content
The purpose of this utility model is to provide a kind of control systems of automatic adjustment engine speed, it will be apparent that reduces
Fuel consumption rate, the notable advantage of energy-saving effect, solves the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions：A kind of control of automatic adjustment engine speed
System processed, including engine, the engine connect with rare earth permanent-magnetic generator, and the input terminal of engine is electrical by control line
Be connected with the output end of rotating speed automatic regulating system and control panel, the output end of rare earth permanent-magnetic generator and control panel it is defeated
Enter end to be electrically connected, the output end of the control panel is electrically connected loaded input terminal, and rotating speed automatic regulating system is by changing
Oily device air throttle load, stepping motor, driving power amplifier and controllor for step-by-step motor composition, carburetor throttle load
Output termination stepping motor, stepping motor output terminate driving power amplifier, the output of driving power amplifier
Controllor for step-by-step motor is terminated, the output end of load is electrically connected with the input terminal of controllor for step-by-step motor.
Preferably, the rare earth permanent-magnetic generator is made of position sensor and electronic switch circuit, position sensor and
Electronic switch circuit is electrically connected, on electronic switch circuit respectively soldering have the first power switch tube, the second power switch tube and
Third power switch tube.
Preferably, first power switch tube, the second power switch tube and third power switch tube respectively with engine
Internal threephase stator winding connects.
Preferably, the position sensor is made of the magnetic Hall device of three phase margins, and magnetic Hall device is uniform
It is inserted into one end of rare earth permanent-magnetic generator internal stator.
Compared with prior art, the beneficial effects of the utility model are as follows：
Engine and rare earth permanent-magnetic generator are generated change by the control system of this automatic adjustment engine speed in load
For the electric impulse signal that the output voltage of change generates through stepper motor driving circuit, command execution unit makes stepping motor foundation
Different pulse numbers generates corresponding angular displacement, when the load of engine and rare earth permanent-magnetic generator increases, output end
Voltage decreases or increases, and the corresponding step angle of stepping motor makes engine throttle increase or reduce at this time, makes engine
Rotating speed increase or decrease therewith, be finally reached output end voltage and stablize constant result, it will be apparent that reduce fuel consumption rate,
Energy-saving effect is notable.
Description of the drawings
Fig. 1 is the control principle drawing of the utility model；
Fig. 2 is the rare earth permanent-magnetic generator schematic diagram of the utility model；
Fig. 3 is the half-controlled bridge circuit diagram of the utility model.
In figure：1 engine, 2 rare earth permanent-magnetic generators, 21 position sensors, 22 electronic switch circuits, 221 first power
Switching tube, 222 second power switch tubes, 223 third power switch tubes, 3 rotating speed automatic regulating systems, 31 carburetor throttles are negative
Load, 32 stepping motors, 33 driving power amplifiers, 34 controllor for step-by-step motor, 4 control panels, 5 loads.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1-3, a kind of control system of automatic adjustment engine speed, including engine 1, engine 1 with it is dilute
Native permanent magnet generator 2 connects, and rare earth permanent-magnetic generator 2 is made of position sensor 21 and electronic switch circuit 22, position sensing
Device 21 and electronic switch circuit 22 are electrically connected, and soldering has the first power switch tube 221, second respectively on electronic switch circuit 22
Power switch tube 222 and third power switch tube 223, the first power switch tube 221, the second power switch tube 222 and third work(
Rate switching tube 223 connects with the threephase stator winding inside engine 1 respectively, and stator winding is made generally in multiphase, rotor by
Permanent-magnet steel is formed by certain number of pole-pairs, and device for power switching corresponding with electronic switch circuit joins threephase stator winding respectively
Knot, A, B, C phase winding respectively with 233 phase of the first power switch tube 231, the second power switch tube 232 and third power switch tube
Connect, when a certain phase of stator winding is powered, magnetic field interaction caused by the magnetic pole of the electric current and rotor permanent-magnet steel and
Generate torque, driving rotor rotation, then by position sensor 21 by rotor magnetic steel evolution at electric signal, remove control electronic cutting
Circuit 22 is closed, to make stator items winding be connected in a certain order, stator phase currents are with the variation of rotor-position and by certain
Order commutation, since the conducting order of electronic switch circuit 22 is synchronous with angle of rotor, thus play mechanical commutation
The commutation of device acts on, and is based on BLDC control technologies, using bus current detection and intervention techniques and busbar voltage detection feedforward skill
Art controls brushless servo motor 2, realizes that current of electric, torque and speed accurately control, and position sensor 21 is by three differences 120
The magnetic Hall device of degree forms, and magnetic Hall device is uniformly inserted into one end of 2 internal stator of rare earth permanent-magnetic generator, magnetic
Hall device is uniformly inserted into one end of 21 internal stator of motor body, by the Hall effect for the magnet steel being mounted on the rotor
Effect, makes magnetic field be applied on hall device successively, and changes to detect rotor magnetic according to the different output states of three Halls
The position of pole, in this way, with the rotation of rotor, it is automatic that the input terminal of engine 1 by control line is electrically connected with rotating speed
The output end of regulating system 3 and control panel 4, the output end of rare earth permanent-magnetic generator 2 electrically connect with the input terminal of control panel 4
It connects, the output end of control panel 4 is electrically connected with the input terminal of load 5, and rotating speed automatic regulating system 3 is born by carburetor throttle
31, stepping motor 32, driving power amplifier 33 and controllor for step-by-step motor 34 is carried to form, carburetor throttle load 31
The output termination driving power amplifier 33 of output termination stepping motor 32, stepping motor 32, driving power amplifier 33
Output terminate controllor for step-by-step motor 34, the output end for loading 5 is electrically connected with the input terminal of controllor for step-by-step motor 34, will
Engine 1 generates the electric impulse signal of the output voltage generation of variation with rare earth permanent-magnetic generator 2 through stepper motor when loading 5
Driving circuit, command execution unit make stepping motor 32 generate corresponding angular displacement according to different pulse number, when starting
When machine 1 and the load of rare earth permanent-magnetic generator 2 increase, output end voltage decreases or increases, at this time stepping motor 32
Corresponding step angle makes 1 throttle of engine increase or reduce, and so that the rotating speed of engine 1 is increased or decreased therewith, is finally reached defeated
Outlet voltage stabilization is constant as a result, output power is increased 30% -40% by same generating set after using this function,
Fuel consumption rate significantly is reduced, energy-saving effect is notable.
In summary：The control system of this automatic adjustment engine speed exists engine 1 and rare earth permanent-magnetic generator 2
The electric impulse signal of output voltage generation of variation is generated when loading 5 through stepper motor driving circuit, command execution unit makes step
Corresponding angular displacement is generated according to different pulse numbers into motor 32, when the load of engine 1 and rare earth permanent-magnetic generator 2
When increase, output end voltage decreases or increases, and 32 corresponding step angle of stepping motor makes 1 throttle of engine increase at this time
It is big or reduce, so that the rotating speed of engine 1 is increased or decreased therewith, be finally reached output end voltage stablize it is constant as a result, same
Output power is increased 30% -40% by platform generating set after using this function, it will be apparent that fuel consumption rate is reduced, it is energy saving
Significant effect.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of control system of automatic adjustment engine speed, including engine（1）, it is characterised in that：The engine（1）
With rare earth permanent-magnetic generator（2）Connect, engine（1）Input terminal rotating speed automatic regulating system is electrically connected with by control line
（3）And control panel（4）Output end, rare earth permanent-magnetic generator（2）Output end and control panel（4）Input terminal electrically connect
It connects, the control panel（4）Output end be electrically connected with load（5）Input terminal, rotating speed automatic regulating system（3）By carburetion
Device air throttle loads（31）, stepping motor（32）, driving power amplifier（33）And controllor for step-by-step motor（34）Composition is changed
Oily device air throttle load（31）Output terminate stepping motor（32）, stepping motor（32）Output termination driving power put
Big device（33）, driving power amplifier（33）Output terminate controllor for step-by-step motor（34）, load（5）Output end electrically connect
It is connected to controllor for step-by-step motor（34）Input terminal.
2. a kind of control system of automatic adjustment engine speed according to claim 1, it is characterised in that：The rare earth
Permanent magnet generator（2）By position sensor（21）And electronic switch circuit（22）Composition, position sensor（21）And electronic switch
Circuit（22）It is electrically connected, electronic switch circuit（22）Upper soldering respectively has the first power switch tube（221）, the second power switch
Pipe（222）With third power switch tube（223）.
3. a kind of control system of automatic adjustment engine speed according to claim 2, it is characterised in that：Described first
Power switch tube（221）, the second power switch tube（222）With third power switch tube（223）Respectively with engine（1）Internal
Threephase stator winding connects.
4. a kind of control system of automatic adjustment engine speed according to claim 2, it is characterised in that：The position
Sensor（21）It is made of the magnetic Hall device of three 120 degree of differences, magnetic Hall device is uniformly inserted into rare earth permanent magnet hair
Motor（2）One end of internal stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824195.7U CN207835373U (en) | 2017-12-22 | 2017-12-22 | A kind of control system of automatic adjustment engine speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824195.7U CN207835373U (en) | 2017-12-22 | 2017-12-22 | A kind of control system of automatic adjustment engine speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207835373U true CN207835373U (en) | 2018-09-07 |
Family
ID=63388977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721824195.7U Expired - Fee Related CN207835373U (en) | 2017-12-22 | 2017-12-22 | A kind of control system of automatic adjustment engine speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207835373U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412636A (en) * | 2020-11-18 | 2021-02-26 | 上海华兴数字科技有限公司 | Method and system for controlling rotating speed of engine of engineering machinery based on stepping motor |
-
2017
- 2017-12-22 CN CN201721824195.7U patent/CN207835373U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112412636A (en) * | 2020-11-18 | 2021-02-26 | 上海华兴数字科技有限公司 | Method and system for controlling rotating speed of engine of engineering machinery based on stepping motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20191222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |