CN210780248U

CN210780248U - Integrated CVT 64 pole switched reluctance motor

Info

Publication number: CN210780248U
Application number: CN201921492246.XU
Authority: CN
Inventors: 江铮; 樊尘; 廖流洲
Original assignee: Jianglan Shenzhen New Energy Technology Co ltd
Current assignee: Jianglan Shenzhen New Energy Technology Co ltd
Priority date: 2019-09-09
Filing date: 2019-09-09
Publication date: 2020-06-16
Anticipated expiration: 2029-09-09

Abstract

The utility model discloses an integrated CVT 64 pole switch reluctance motor, which comprises a non-magnetic conduction shell and a switch reluctance motor position detection system, wherein the switch reluctance motor position detection system is arranged on the non-magnetic conduction end cover, a stator core is arranged in the non-magnetic conduction shell, six iron core convex teeth are arranged on the inner wall of the stator core, and excitation coils are wound on the outer sides of the six iron core convex teeth, the six excitation coils are connected into three sets of windings, a rotor assembly is arranged in the stator core, the product of the utility model optimizes a stator pole shoe to form an auxiliary air gap between the stator and the rotor, optimizes the pole arc end structure, effectively reduces the torque pulsation when the stator and the rotor are contacted and separated, and simultaneously eliminates the low frequency harmonic and the high frequency harmonic of partial torque, thereby reducing vibration, having simple structure and having no influence of brush abrasion on the service life of the motor, the rotor has no permanent magnet and no high-temperature demagnetization, and has low cost and high allowable working temperature.

Description

Integrated CVT 64 pole switched reluctance motor

Technical Field

The utility model relates to a switched reluctance motor technical field specifically is integrated CVT 64 utmost point switched reluctance motor.

Background

Because the traditional internal combustion engine has complex transmission control, slow starting acceleration, low exhaust purification index and higher maintenance cost. In the double-salient-pole structure of the switched reluctance motor, the torque on a motor rotor is formed by overlapping a series of pulse torques, and the resultant torque is not constant, so that the switched reluctance motor has inherent torque pulsation, particularly, the torque pulsation is large when the motor runs at low speed, and the air resistance caused by the salient-pole structure of the rotor is increased along with the increase of the rotating speed when the motor runs at high speed, so that the working efficiency is reduced and the working noise is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integrated CVT 64 utmost point switched reluctance motor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: integrated CVT 64 utmost point switched reluctance motor drives the position detection system including non-magnetic conduction shell and switched reluctance motor, switched reluctance motor position detection system installs on the non-magnetic conduction shell, and installs stator core in the non-magnetic conduction shell, be equipped with six iron core dogteeth on the stator core inner wall, and six iron core dogtooth outsides all around there being excitation coil, six excitation coil connects into three sets of windings, be equipped with the rotor subassembly in the stator core.

Preferably, the rotor subassembly includes bearing, rotor and position detecting system, the bearing both ends are connected with non-magnetic conduction shell rotation, and the rotor is fixed at the bearing inboard, the rotor is equipped with four grades, and the rotor end all with set up position detecting system and be connected.

Preferably, the position detection system comprises an insulation base, a rotary transformer stator, a connecting key and a synchronous rotating rotor, wherein the insulation base is fixed to the non-magnetic conduction shell, the rotary transformer stator is fixed to the insulation base and is connected with a stator core, the inner wall of the synchronous rotating rotor is fixed to the outer side of the shaft through 1 connecting key, and a plurality of binding posts are arranged at the bottom of the insulation base.

Preferably, the stator pole shoe at the inner end of the stator core is internally provided with a chamfer, and an auxiliary air gap is formed between the chamfer and the tail ends of the four stages of the rotor.

Preferably, the outer wall of the non-magnetic conduction shell is processed by radial reinforcing ribs.

Preferably, the inner wall of the non-magnetic conductive shell is in interference fit with the excircle of the stator core.

Preferably, the switched reluctance motor driving system comprises a power supply, a controller, a switched reluctance motor and a load, wherein the power supply is electrically connected with the controller, the controller is electrically connected with the switched reluctance motor, and the switched reluctance motor is electrically connected with the load.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the product is through optimizing stator pole shoe, makes and forms the supplementary air gap between deciding, the rotor, optimizes utmost point arc end structure, and torque pulsation when effectual reduction is decided, the rotor contact and breaks away from still eliminates the low frequency harmonic and the high frequency harmonic of part torque simultaneously to reduce the vibration, product simple structure, brushless wearing and tearing are to motor life's influence, and the rotor does not have the permanent magnet and does not have high temperature demagnetization phenomenon, and is with low costs, allows higher operating temperature. The starting torque is large, the current is low, the low-speed performance is good, and the high efficiency is realized in a wide speed regulation range.

2. The utility model discloses an outer wall carries out radial strengthening rib and handles on the non-magnetic conduction shell of product, not only increases shell intensity, strengthens the radiating effect, can effectively reduce moreover because of the radial pulling force in during operation magnetic field produces the noise.

3. The utility model discloses the product does not lead magnetic shell inner wall and stator excircle interference fit, adopts the hot pressing treatment, does not use welding and glue bonding processing, more practical environmental protection.

4. The utility model discloses product integration CVT gearbox body, compact structure, very big reduction spare part, fault rate and maintenance cost are lower, and the product compares traditional internal-combustion engine start-up with higher speed, and high low-speed output efficiency is high, and no exhaust emissions is energy-concerving and environment-protective.

Drawings

Fig. 1 is a schematic side view of the switched reluctance motor of the present invention;

FIG. 2 is a schematic view of the radial cross-section structure of the present invention;

FIG. 3 is a schematic view of the connection between the salient teeth of the iron core and the rotor according to the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is a schematic structural diagram of the position detecting system of the present invention;

FIG. 6 is a schematic view of the structure of the stator and rotor during operation of the present invention;

fig. 7 shows a switched reluctance motor position detecting system according to the present invention;

fig. 8 is a schematic view of the working principle of the position detecting system of the present invention.

In the figure: 1-a non-magnetically permeable housing; 2-a stator core; 3-iron core convex teeth; 4-a field coil; 5-winding; 6-a rotor assembly; 7-a bearing; 8-a rotor; 9-a position detection system; 10-an insulating base; 11-a resolver stator; 12-a connecting bond; 13-synchronously rotating the rotor; 14-an auxiliary air gap; 15-a terminal post; 16-switched reluctance motor position detection system; 17-a power supply; 18-a controller; 19-a switched reluctance motor; 20-load.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-8, the integrated CVT 64-pole switched reluctance motor shown in the figure includes a non-magnetic conductive casing 1, a stator core 2 is installed in the non-magnetic conductive casing 1, six core teeth 3 are disposed on an inner wall of the stator core 2, excitation coils 4 are wound around outer sides of the six core teeth 3, the six excitation coils 4 are connected to form three sets of windings 5, and a rotor assembly 6 is disposed in the stator core 2.

Rotor subassembly 6 includes bearing 7, rotor 8 and position detecting system 9, bearing 7 both ends are connected with non-magnetic conduction shell 1 rotates, and rotor 8 fixes at bearing 7 inboardly, rotor 8 is equipped with four levels, and rotor 8 is terminal to be connected with setting up position detecting system 9.

Position detecting system 9 includes insulating base 10, resolver stator 11, connection key 12 and synchronous revolution rotor 13, insulating base 10 is fixed with non-magnetic conduction shell 1, and resolver stator 11 fixes in insulating base 10 to be connected with

stator core

2, 13 inner walls of synchronous revolution rotor are fixed in the bearing 7 outside through 1 connection key 12, insulating base 10 bottom is equipped with a plurality of terminals 15.

The stator pole shoe at the inner end of the stator core 2 is provided with a chamfer inwards, and forms an auxiliary air gap 14 with the tail ends of four stages of the rotor 8.

And the outer wall of the non-magnetic conductive shell 1 is processed by radial reinforcing ribs.

The inner wall of the non-magnetic conduction shell 1 is in interference fit with the excircle of the stator core 2.

Switched reluctance motor drive system 16 includes power 17, controller 18, switched reluctance motor 19 and load 20, power 17 and controller 18 electric connection, and controller 18 and switched reluctance motor 19 electric connection, switched reluctance motor 19 and load 20 electric connection.

The specific implementation method comprises the following steps: when the rotor starts to work, the position detection system 9 sends a detected magnetic pole position signal of the rotor 8 to the controller 18, the controller 18 judges according to the position signal, the stator winding 5A is switched on for excitation, a force is generated to enable the magnetic pole close to the rotor 8 to be in coincidence with the axis of the stator winding 5A, the air gap between the rotor and the stator is switched from an excessive air gap to a working air gap, the sudden rise of the torque is relieved, the torque pulsation is reduced, when the rotor reaches a cut-off angle theta off, the winding 5A is powered off, the air gap between the rotor and the stator 8 is switched from the working air gap to the excessive air gap, and the influence of the back electromotive force generated by the power off of the coil A on the torque of the rotor 8. After the winding 5A is powered off, the controller 18 switches on the winding 5B, and the winding 5B is excited to generate the universal reluctance torque, and the process is repeated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An integrated CVT 64 pole switched reluctance machine comprising a non-magnetically permeable casing (1) characterized in that: install stator core (2) in non-magnetic conduction shell (1), be equipped with six iron core dogteeth (3) on stator core (2) inner wall, and all around excitation coil (4), six in six iron core dogteeth (3) the excitation coil (4) connect into three sets of windings (5), be equipped with rotor subassembly (6) in stator core (2).

2. The integrated CVT 64-pole switched reluctance machine of claim 1, wherein: rotor subassembly (6) include bearing (7), rotor (8) and position detecting system (9), bearing (7) both ends are connected with non-magnetic conduction shell (1) rotation, and rotor (8) are fixed in bearing (7) outside, rotor (8) are equipped with four grades, and rotor (8) end all with set up position detecting system (9) and be connected.

3. The integrated CVT 64-pole switched reluctance machine of claim 2, wherein: position detecting system (9) are including insulating base (10), resolver stator (11), connection key (12) and synchronous revolution rotor (13), insulating base (10) are fixed with non-magnetic conduction shell (1), and resolver stator (11) are fixed in insulating base (10) to be connected with stator core (2), synchronous revolution rotor (13) inner wall is through 1 connection key (12) and bearing (7) end fixing, insulating base (10) bottom is equipped with a plurality of terminals (15).

4. The integrated CVT 64-pole switched reluctance machine of claim 3 wherein: and a chamfer is inwards arranged at the stator pole shoe at the inner end of the stator iron core (2), and an auxiliary air gap (14) is formed between the chamfer and the tail ends of the four stages of the rotor (8).

5. The integrated CVT 64-pole switched reluctance machine of claim 3 wherein: and the outer wall of the non-magnetic conduction shell (1) is subjected to radial reinforcing rib treatment.

6. The integrated CVT 64-pole switched reluctance machine of claim 5 wherein: the inner wall of the non-magnetic conduction shell (1) is in interference fit with the excircle of the stator core (2).