CN206658135U - Magnetic cylinder, magneto and its engine - Google Patents
Magnetic cylinder, magneto and its engine Download PDFInfo
- Publication number
- CN206658135U CN206658135U CN201720014408.3U CN201720014408U CN206658135U CN 206658135 U CN206658135 U CN 206658135U CN 201720014408 U CN201720014408 U CN 201720014408U CN 206658135 U CN206658135 U CN 206658135U
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- CN
- China
- Prior art keywords
- magnetic cylinder
- central angle
- signal
- interval
- signal teeth
- 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.)
- Expired - Fee Related
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- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a kind of magnetic cylinder, magneto and its engine, circumferentially spaced be distributed of magnetic cylinder is provided with signal teeth, and the central angle corresponding to interval between two adjacent signal teeths is more than the central angle corresponding to signal teeth;So that the central angle corresponding to interval of the small-sized magnetic cylinder started in the range of certain central angle between two adjacent signal teeths of relative increase, avoid causing sensor detection inaccurate because the central angle corresponding to the interval between two adjacent signal teeths is too small, ensure that the detection of signal teeth angle is accurate, the control accuracy of electric spray control system is improved, beneficial to the effective normal work of electric injection system;Meanwhile larger interdental spaces are beneficial to the processing signal tooth on the less magnetic cylinder of size, the technological requirement of the manufacturing is reduced, improves production efficiency, reduces production cost, shortens the production cycle.
Description
Technical field
It the utility model is related to a kind of magnetic cylinder, and in particular to a kind of to be applied to based on magnetic cylinder, the magnetic under small-sized electric injection system
Motor and its engine.
Background technology
Electronic injection engine managing system is typically bent as monitoring using the cylindrical multiple signal teeths of magneto magnetic cylinder are arranged at
The detection tooth of axle rotational parameters, corresponding central angle is spaced between the central angle and adjacent signals tooth corresponding to signal teeth is
It is equal, typically it is 5 °;But during for smaller displacement engine, because the diameter of magneto and its magnetic cylinder in itself is smaller, in circle
Arrange that multiple signal teeths cause the interval too small between each signal teeth and signal teeth week, cause magnetic cylinder right during manufacturing
Processing technology requires that higher and signal teeth monitoring accuracy declines, and the bent axle for easily causing signal teeth precision not enough and causing to detect turns
Dynamic parameter is wrong so that the control accuracy of electric spray control system reduces, or even tooth signal entanglement occurs, causes electric injection system work
Make mistake.
Therefore, for solution problem above, it is necessary to which a kind of magnetic cylinder, magneto and its engine, disclosure satisfy that small electrical is erupted
The demand of motivation, ensure that signal teeth angle position monitoring accuracy is high, and manufacturing cost is low, with short production cycle.
Utility model content
In view of this, the purpose of this utility model is the defects of overcoming in the prior art, there is provided a kind of magnetic cylinder, magneto and
Its engine, the demand of small-sized BBG is disclosure satisfy that, ensure that signal teeth angle position monitoring accuracy is high, and produce system
Cause low, with short production cycle.
Magnetic cylinder of the present utility model, circumferentially spaced be distributed of magnetic cylinder is provided with signal teeth, between two adjacent signal teeths
Interval corresponding to central angle be more than signal teeth corresponding to central angle;So that the small-sized magnetic cylinder started is in certain central angle
In the range of central angle corresponding to interval between two adjacent signal teeths of relative increase, avoid due between two adjacent signal teeths
Interval corresponding to central angle it is too small and cause sensor detection inaccurate, ensure that the detection of signal teeth angle is accurate, improve electricity
The control accuracy of control system is sprayed, meanwhile, larger interdental spaces are beneficial to the processing signal tooth on the less magnetic cylinder of size, reduce life
Produce the technological requirement of manufacture.
Further, the central angle corresponding to the interval between adjacent signals tooth is more than 5 °;Ensure the corresponding circumference in interval
It is in larger distance so that different pulse signals caused by two adjacent signal teeths can be effective by ECU on the magnetic cylinder of put-put
Distinguish.
Further, circumferencial direction uniform intervals distribution of the signal teeth along magnetic cylinder;The center of circle corresponding to each signal teeth
Angle is equal, and the distribution of signal teeth uniform intervals is beneficial to side and calculates each parameter by the caused uniform pulse, while ensures to believe
Number tooth sets comparatively dense, beneficial to improving accuracy of detection.
Further, the central angle corresponding to the interval and the central angle sum corresponding to signal teeth are 10 °;The interval
Corresponding central angle is preferably 5.5 ° -7.5 °, and the signal teeth in the range of the central angle and interval are beneficial to adjacent signals tooth institute
Differentiation and identification to induction signal, at the same ensure it is larger in circumferencial direction setting signal tooth density, beneficial to improve crank angle
The accuracy of detection of degree.
Further, the signal teeth is formed between 34 and the 34th signal teeth and the 1st signal teeth rotates original for demarcating
The identification interval of point;The identification interval is formed after lacking 2 by the signal teeth of 36 uniform intervals distributions;The identification interval
Corresponding central angle be more than other intervals corresponding to central angle, using identify interval realize origin identify, it is simple in construction, add
Work is convenient.
Further, the signal teeth is arranged at the cylindrical of magnetic cylinder;The signal teeth is integrally formed with magnetic cylinder, beneficial to trigger
Installation and signal acquisition, ensure that magneto is compact-sized.
Further, the opening's edge of the magnetic cylinder stretches out and curved radially inward towards axial direction in a manner of thickness is gradually thinning
Curved camber claw;Facilitate the fixed installation of permanent magnet, improve operating efficiency.
The invention also discloses a kind of magneto, including the coil as stator and the magnetic cylinder as rotor, it is described
Magnetic cylinder is above-mentioned magnetic cylinder;The magneto is applied to, based on put-put under electric (UAES) electric injection system of connection, ensure the engine
The efficient normal work of electric injection system.
The invention also discloses a kind of engine, the engine is provided with magneto, and the magneto is above-mentioned
Magneto;The engine structure is compact, and electric injection system control is accurate, ensures that the power performance and the economy performance of engine is good.
The beneficial effects of the utility model are:A kind of magnetic cylinder, magneto and its engine, pass through disclosed in the utility model
Central angle corresponding to interval between two adjacent signal teeths is set greater than to the central angle corresponding to signal teeth so that small-sized
Central angle corresponding to interval of the magnetic cylinder started in the range of certain central angle between two adjacent signal teeths of relative increase,
Avoid causing sensor detection inaccurate because the central angle corresponding to the interval between two adjacent signal teeths is too small, ensure letter
The detection of number tooth angle degree is accurate, the control accuracy of electric spray control system is improved, beneficial to the effective normal work of electric injection system;Meanwhile
Larger interdental spaces are beneficial to the processing signal tooth on the less magnetic cylinder of size, reduce the technological requirement of the manufacturing, improve production
Efficiency, production cost is reduced, shorten the production cycle.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is sectional view of the present utility model.
Embodiment
Fig. 1 is structural representation of the present utility model, and Fig. 2 is sectional view of the present utility model, as illustrated, the magnetic cylinder
1 circumferentially spaced be distributed is provided with signal teeth 2, and the central angle corresponding to interval 3 between two adjacent signal teeths 2 is more than letter
Central angle corresponding to number tooth 2;The magnetic cylinder 1 is at least circumferentially fixedly installed with bent axle, and the signal teeth 2 and interval can be
Sector structure, certainly, the signal teeth 2 are used cooperatively with trigger 5, will not be repeated here;By by two adjacent signal teeths 2 it
Between interval corresponding to central angle be set greater than central angle corresponding to signal teeth 2 so that the small-sized magnetic cylinder 1 started is one
The central angle corresponding to interval 3 in the range of fixed central angle between two adjacent signal teeths 2 of relative increase, is avoided due to two-phase
The central angle corresponding to interval between adjacent signal teeth 2 is too small and causes sensor detection inaccurate, ensures the inspection of the angle of signal teeth 2
It is accurate to survey, and the control accuracy of electric spray control system is improved, beneficial to the effective normal work of electric injection system;Meanwhile between larger between cog
Every beneficial to the processing signal tooth 2 on the less magnetic cylinder 1 of size, the technological requirement of the manufacturing is reduced, improves production efficiency, is reduced
Production cost, shorten the production cycle.
In the present embodiment, the central angle corresponding to interval 3 between adjacent signals tooth 2 is more than 5 °;By by two adjacent letters
The central angle corresponding to interval between number tooth 2 is set greater than 5 °, ensures that the corresponding circumferential distance in interval is larger so that small
Different pulse signals caused by two adjacent signal teeths 2 can effectively be distinguished by ECU on the magnetic cylinder 1 of h type engine h, ensure signal
The detection of the angle of tooth 2 is accurate.
In the present embodiment, circumferencial direction uniform intervals distribution of the signal teeth 2 along magnetic cylinder 1;Corresponding to each signal teeth 2
Central angle it is equal, the distribution of the uniform intervals of signal teeth 2 is beneficial to side and calculates each parameter by the caused uniform pulse, simultaneously
Ensure that signal teeth 2 sets comparatively dense, beneficial to raising accuracy of detection.
In the present embodiment, the central angle corresponding to the interval 3 and the central angle sum corresponding to signal teeth 2 are 10 °;Institute
It is preferably 5.5 ° -7.5 ° to state the corresponding central angle in interval, and the signal teeth 2 in the range of the central angle and interval are beneficial to adjacent letter
The differentiation and identification of number signal corresponding to tooth 2, at the same ensure it is larger in circumferencial direction setting signal 2 density of tooth, it is bent beneficial to improving
The accuracy of detection of axle rotational angle, ensure that the work accuracy of electric injection system is higher so that with the technique and work of minimum cost
Fill the requirement of the sufficient angle precision of signal teeth 2.
In the present embodiment, the signal teeth 2 is formed between 34 and the 34th signal teeth 2 and the 1st signal teeth 2 for demarcating
Rotate the identification interval 4 of origin;The identification interval is formed after lacking 2 by the signal teeth 2 of 36 uniform intervals distributions;It is described
Central angle corresponding to identification interval 4 is more than the central angle corresponding to other intervals, and trigger reads identification by identifying to be spaced
Signal simultaneously by ECU carry out origin mark, using identify interval realize origin identify, it is simple in construction, it is easy to process.
In the present embodiment, the signal teeth 2 is arranged at the cylindrical of magnetic cylinder 1;The signal teeth 2 is integrally formed with magnetic cylinder 1, profit
In trigger installation and signal acquisition, ensure that magneto is compact-sized.
In the present embodiment, the opening's edge of the magnetic cylinder 1 stretches out and radially towards axial direction in a manner of thickness is gradually thinning
Curve inwardly to form arc-shaped claws 6;Using the elasticity of arc-shaped claws 6, facilitate the fixed installation of permanent magnet, improve operating efficiency,
Flexible arc claw 6 is beneficial to the damping of permanent magnet simultaneously, beneficial to the fixing-stable of permanent magnet.
The invention also discloses a kind of magneto, including the coil as stator and the magnetic cylinder 1 as rotor, it is described
Magnetic cylinder 1 is above-mentioned magnetic cylinder 1;The magneto is applied to, based on put-put under electric (UAES) electric injection system of connection, ensure that this starts
The efficient normal work of machine electric injection system.
The invention also discloses a kind of engine, the engine is provided with magneto, and the magneto is above-mentioned
Magneto;The engine structure is compact, and electric injection system control is accurate, ensures that the power performance and the economy performance of engine is good.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (9)
- A kind of 1. magnetic cylinder, it is characterised in that:The circumferentially spaced distribution of magnetic cylinder is provided with signal teeth, two adjacent signal teeths Between interval corresponding to central angle be more than signal teeth corresponding to central angle;Corresponding to interval between adjacent signals tooth Central angle is more than 5 °.
- 2. magnetic cylinder according to claim 1, it is characterised in that:Circumferencial direction uniform intervals point of the signal teeth along magnetic cylinder Cloth.
- 3. magnetic cylinder according to claim 1 or 2, it is characterised in that:Central angle and signal teeth institute corresponding to the interval Corresponding central angle sum is 10 °.
- 4. magnetic cylinder according to claim 3, it is characterised in that:The signal teeth is 34 and the 34th signal teeth and the 1st letter The identification interval that origin is rotated for demarcating is formed between number tooth.
- 5. magnetic cylinder according to claim 4, it is characterised in that:The signal that the identification interval is distributed by 36 uniform intervals Tooth is formed after lacking 2.
- 6. magnetic cylinder according to claim 1, it is characterised in that:The signal teeth is arranged at the cylindrical of magnetic cylinder.
- 7. magnetic cylinder according to claim 1, it is characterised in that:The opening's edge of the magnetic cylinder is gradually thinning with thickness towards axial direction Mode stretches out and is bent radially inwardly to form arc-shaped claws.
- 8. a kind of magneto, including the coil as stator and the magnetic cylinder as rotor, it is characterised in that:The magnetic cylinder is right It is required that magnetic cylinder described in any claim in 1-7.
- 9. a kind of engine, the engine is provided with magneto, it is characterised in that:The magneto is described in claim 8 Magneto.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720014408.3U CN206658135U (en) | 2017-01-06 | 2017-01-06 | Magnetic cylinder, magneto and its engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720014408.3U CN206658135U (en) | 2017-01-06 | 2017-01-06 | Magnetic cylinder, magneto and its engine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206658135U true CN206658135U (en) | 2017-11-21 |
Family
ID=60314025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720014408.3U Expired - Fee Related CN206658135U (en) | 2017-01-06 | 2017-01-06 | Magnetic cylinder, magneto and its engine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN206658135U (en) |
-
2017
- 2017-01-06 CN CN201720014408.3U patent/CN206658135U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 Termination date: 20220106 |
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CF01 | Termination of patent right due to non-payment of annual fee |