Motorcycle motor Hall sensor for simulating engine crankshaft position signal

Abstract

A motorcycle motor Hall sensor used for simulating engine crankshaft position signals is characterized in that a plurality of pairs of N and S magnetic poles are arranged on the ring surface of a motorcycle motor rotor, and one pair of magnetic poles is extended into a pair of special-shaped magnetic poles 1 along the axial direction of a crankshaft; three phase Hall sensors (U, V and W) are adjacently arranged on the periphery of the motor stator at intervals corresponding to the multiple pairs of N and S magnetic poles, a different-magnetic-pole Hall sensor PCB is further arranged on the periphery of the motor stator adjacent to one phase Hall sensor corresponding to the special-shaped magnetic pole 1, and the phase Hall sensor and the different-magnetic-pole Hall sensor are bipolar latch type Hall sensors. The three phase Hall sensors (U, V and W) respectively output three phase Hall signals, the different-magnetic-pole Hall sensor PCB outputs a position Hall signal and is used for simulating an engine crankshaft position signal, the crankshaft position signal is simulated by acquiring the output signals of the Hall sensors and performing operation processing, and the operation efficiency of an engine is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the motorcycle operation control field of carrying start power generation integrated system (ISG), especially relates to the motorcycle motor installation has special magnetic pole and hall sensor, supply simulation engine crankshaft position signal, thereby better control engine's high -efficient operation. BACKGROUND

[0002] When motorcycle engine is running, need through engine crankshaft position signal to calculate current crankshaft position and engine speed, and then draw accurate engine injection and ignition time, at present market most motorcycle of carrying start power generation integrated system (ISG), when engine is running, through the magnetic induction type trigger installed in the motor rotor outside, inductive the boss structure made according to specific specification on the motor rotor, form boss signal (boss structure: the rectangular boss structure of uniform distribution in a certain number on the rotor outside, in specific position, remove one or two rectangular boss and form gap, through the gap, the rotor position corresponding to each boss signal in a circle can be judged), boss signal is transmitted to electric injection controller (FI-ECU) to judge injection ignition time, calculate engine speed, this method not only needs to increase a circle boss outside the motor rotor, but also needs to install a larger magnetic induction type trigger outside close to the boss.

[0003] The existing crankshaft position signal (i.e. boss signal) acquisition method increases the manufacturing cost and installation process of the motor, and the magnetic induction type trigger installed outside the motor rotor is more prone to damage, which poses a risk to the reliable operation of the engine. SUMMARY

[0004] In view of the above problems, the utility model provides a kind of motorcycle motor hall sensor for simulating engine crankshaft position signal, by obtaining hall sensor output signal, by operation processing, to simulate crankshaft position signal, further improve the operation efficiency of engine.

[0005] The technical scheme of the utility model is as follows:

[0006] A kind of motorcycle motor hall sensor for simulating engine crankshaft position signal, the motor rotor ring surface is provided with multiple pairs of N, S magnetic poles, one pair of magnetic poles is along the crankshaft axial, and is extended as a pair of special-shaped magnetic poles;With the multiple pairs of N, S magnetic poles, three phase hall sensors are arranged in adjacent intervals in the ring of the motor stator, and with the pair of special-shaped magnetic poles, one special magnetic pole hall sensor is further arranged adjacent to one of the phase hall sensors in the ring of the motor stator, the phase hall sensor and the special magnetic pole hall sensor are both bipolar latching type hall sensors.

[0007] As a further improvement of the utility model, the three-phase Hall sensors are arranged in the motor stator in the adjacent winding slots, and the heteromagnetic pole Hall sensor is arranged in the winding slot of the same phase as any one of the three-phase Hall sensors.

[0008] As a further improvement of the utility model, the three-phase Hall sensors are arranged in the motor stator in the adjacent winding slots, and the heteromagnetic pole Hall sensor is arranged in the winding slot of the same phase as any one of the three-phase Hall sensors.

[0009] The beneficial technical effects of the utility model are as follows: in the motorcycle motor Hall sensor for simulating the engine crankshaft position signal, the motorcycle motor rotor ring surface is provided with multiple pairs of N and S magnetic poles, one pair of magnetic poles is along the crankshaft axial direction and is extended as a pair of special-shaped magnetic poles; corresponding to the multiple pairs of N and S magnetic poles, three-phase Hall sensors are arranged in the motor stator ring in the adjacent intervals, and corresponding to the pair of special-shaped magnetic poles, a heteromagnetic pole Hall sensor is further arranged adjacent to one of the three-phase Hall sensors; the three-phase Hall sensor and the heteromagnetic pole Hall sensor are both bipolar latching type Hall sensors; the phase Hall signals collected by the three-phase Hall sensor and the position Hall signals collected by the heteromagnetic pole sensor are further processed by the phase Hall signals and the position Hall signals, so that the engine crankshaft position signal can be simulated, thereby improving the operation efficiency of the engine. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a motor stator structure schematic view in the utility model;

[0011] Figure 2 It is a motor rotor structure schematic view in the utility model. DETAILED DESCRIPTION

[0012] Combined with the accompanying Figure 1 and Figure 2 , the following will be described in detail;

[0013] A motorcycle motor Hall sensor for simulating the engine crankshaft position signal, the motorcycle motor rotor ring surface is provided with multiple pairs of N and S magnetic poles, one pair of magnetic poles is along the crankshaft axial direction and is extended as a pair of special-shaped magnetic poles 1; corresponding to the multiple pairs of N and S magnetic poles, three-phase Hall sensors (U, V, W) are arranged in the motor stator ring in the adjacent intervals, and corresponding to the pair of special-shaped magnetic poles 1, a heteromagnetic pole Hall sensor PCB is further arranged adjacent to one of the three-phase Hall sensors; the three-phase Hall sensor and the heteromagnetic pole Hall sensor are both bipolar latching type Hall sensors.

[0014] Generally, the motor has 6 or 8 pairs of magnetic poles, and the stator generally has 18 winding slots. Here, an 8-pole 18-winding motor is described, as shown in Figure 1 and Figure 2 Only three-phase signals (electric angle difference 120°) can be obtained in the 18 winding slots. The signals obtained at the winding slots equally divided by 2 are in the same phase (signal high and low positions are completely consistent). When the motor rotor rotates one revolution, the three-phase Hall sensors output three-phase Hall signals, the magnetic pole Hall sensor outputs a position Hall signal, the three-phase Hall signals are sequentially 120° electric angle, and the position Hall signal is in the same phase as one of the three-phase Hall signals. Based on the three-phase Hall signals and the position Hall signal, the engine crankshaft position signal can be simulated.

[0015] Alternatively, the magnetic pole Hall sensor PCB is arranged along the axial direction of one of the three-phase Hall sensors of the motor stator. The three-phase Hall sensors (U, V, W) output three-phase Hall signals, and the magnetic pole Hall sensor PCB outputs a position Hall signal for simulating the engine crankshaft position signal.

[0016] Of course, the magnetic pole Hall sensor and the three-phase Hall sensors can have any positional relationship relative to the motor stator ring. However, in order to facilitate the installation of the Hall sensors and the realization of circuit connection, the three-phase Hall sensors are respectively located in adjacent winding slots of the motor stator, and the magnetic pole Hall sensor is located in the same phase winding slot as any of the three-phase Hall sensors.

Claims

1. A motorcycle electrical machine Hall sensor for simulating an engine crankshaft position signal, characterized by, The motorcycle motor rotor annulus is provided with multiple pairs of N and S magnetic poles, one pair of which is along the crankshaft axis and is extended into a pair of special-shaped magnetic poles (1); corresponding to the multiple pairs of N and S magnetic poles, three phase Hall sensors (U, V, W) are provided in the motor stator annulus in adjacent intervals; and corresponding to the pair of special-shaped magnetic poles (1), a special magnetic pole Hall sensor (PCB) is further provided adjacent to one of the phase Hall sensors in the motor stator annulus, and the phase Hall sensor and the special magnetic pole Hall sensor are both bipolar latching type Hall sensors.

2. A motorcycle electrical machine Hall sensor for simulating an engine crankshaft position signal as claimed in claim 1, characterized in that, Corresponding to the pair of special-shaped magnetic poles (1), the special magnetic pole Hall sensor (PCB) is arranged along the axis of one of the phase Hall sensors in the motor stator annulus, the three phase Hall sensors (U, V, W) respectively output three phase Hall signals, and the special magnetic pole Hall sensor (PCB) outputs a position Hall signal for simulating the engine crankshaft position signal.

3. Motorcycle electric machine Hall sensor for simulating the engine crankshaft position signal according to claim 1 or 2, characterized in that, The three phase Hall sensors are respectively located in adjacent winding slots in the motor stator, and the special magnetic pole Hall sensor is located in a winding slot of the same phase as any one of the three phase Hall sensors.

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