CN210120479U

CN210120479U - Reluctance type linear generator

Info

Publication number: CN210120479U
Application number: CN201921198645.5U
Authority: CN
Inventors: 张何; 张晓晨; 王旅; 施博闻
Original assignee: Nottingham (yuyao) Intelligent Electrification Research Institute Co Ltd
Current assignee: Nottingham (yuyao) Intelligent Electrification Research Institute Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-02-28
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a reluctance type linear generator, which comprises a base and a bracket, wherein the bracket can be connected on the base in a left-right sliding manner, the sliding direction of the bracket is parallel to the extending direction of the base, and a gap is reserved between the inner top of the bracket and the inner bottom of the base; a primary is fixed on the inner bottom of the base, a plurality of mounting holes distributed from left to right are formed in the support, a secondary is fixed in each mounting hole, the lower end of each secondary is close to the upper end of the primary, and an air gap is reserved between the lower end of each secondary and the upper end of the primary; the utility model discloses rely on reluctance torque work, can overcome the difficult problem that current synchronous linear generator power factor of induction type is low, the generating efficiency is low, and can overcome permanent magnetism synchronous linear generator with high costs, the higher defect of operational environment requirement.

Description

Reluctance type linear generator

Technical Field

The utility model relates to a linear electric generator technical field, concretely relates to magnetic resistance formula linear electric generator.

Background

At present, the known linear generator comprises an induction type and a permanent magnet type, and for the induction type linear generator, the generator operates asynchronously, and the operation power factor and the power generation efficiency are lower; for the permanent magnet synchronous linear generator, the cost of the generator is high due to the adoption of permanent magnet excitation, and meanwhile, the permanent magnet is influenced by operating environment conditions such as vibration, temperature, humidity and the like, so that the application range is limited, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a reluctance type linear generator, it relies on reluctance torque work, can overcome the synchronous linear generator power factor of current induction type low, the difficult problem that generating efficiency is low, and can overcome permanent magnetism synchronous type linear generator with high costs, the higher defect of operational environment requirement.

The utility model discloses a reluctance type linear generator, which comprises a base and a bracket, wherein the bracket can be connected on the base in a left-right sliding manner, the sliding direction of the bracket is parallel to the extending direction of the base, and a gap is reserved between the inner top of the bracket and the inner bottom of the base; be fixed with elementary on the interior bottom of base, be provided with the mounting hole that a plurality of distributes from left to right in the support, all be fixed with secondary in every mounting hole, every secondary lower extreme all be close to elementary upper end and with leave the air gap between the elementary upper end.

The utility model discloses a reluctance type linear generator, wherein, elementary is folded by a plurality of blocks to the silicon steel sheet that distributes backward and is pressed and form, is formed with reluctance type magnetic pole on the elementary up end, and reluctance type magnetic pole includes that a N integrated into one piece just by the rectangular shape magnetic pole tooth that left right side distributes on elementary up end, and every magnetic pole tooth extends backward by preceding, and interval between two adjacent magnetic pole teeth is the same.

The utility model discloses a reluctance type linear generator, wherein, the value of N is the positive integer of the multiple of 2.

The utility model discloses a reluctance type linear generator, wherein, the secondary includes armature core, several armature windings and several excitation windings, each armature core is formed by laminating several silicon steel sheets distributed from left to right; the armature core comprises an armature yoke and a plurality of pairs of armature main teeth integrally formed with the armature yoke, all the armature main teeth are arranged on the same side of the armature yoke, a main groove is formed between two armature main teeth in each pair of armature main teeth and the armature yoke, an auxiliary groove is formed between two adjacent pairs of armature main teeth and the armature yoke, and the main grooves and the auxiliary grooves are uniformly distributed along the armature yoke at intervals; the armature winding is wound on the armature magnetic yoke at the position of each main groove, and the excitation winding is wound on the armature magnetic yoke at the position of each auxiliary groove; the lower end of each armature main tooth is provided with an armature secondary tooth structure.

The utility model discloses a reluctance type linear generator, wherein, every armature auxiliary tooth all includes the vice tooth of M armature of integrated into one piece at armature owner tooth lower extreme, and the vice tooth of M armature of every armature owner tooth lower extreme all uses the outside of the armature owner tooth of correspondence as the border and to the main recess direction distribution that corresponds, and the vice tooth of M armature on two armature owner teeth adjacent with every main recess is the symmetry setting about the center of main recess.

The utility model discloses a magnetic resistance formula linear generator, wherein, M's value is 2 or 3 or 4.

The utility model discloses rely on reluctance torque work, can overcome the difficult problem that current synchronous linear generator power factor of induction type is low, the generating efficiency is low, and can overcome permanent magnetism synchronous linear generator with high costs, the higher defect of operational environment requirement.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic primary front view;

fig. 3 is a secondary left-side view schematic diagram.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model discloses a reluctance type linear generator, including base 1 and support 2, support 2 can be connected on base 1 side to side with sliding, the slip direction of support 2 is parallel with the extending direction of base 1, leave the clearance between the interior top of support 2 and the interior bottom of base 1; be fixed with elementary 3 on the interior bottom of base 1, be provided with a plurality of mounting hole 21 that distributes from left to right in the support 2, all be fixed with secondary 4 in every mounting hole 21, the lower extreme of every secondary 4 all is close to the upper end of elementary 3 and leaves the air gap with the upper end of elementary 3 between.

The primary 3 is formed by laminating a plurality of silicon steel sheets distributed from front to back, a reluctance type magnetic pole 31 is formed on the upper end face of the primary 3, the reluctance type magnetic pole 31 comprises N strip-shaped magnetic pole teeth 311 which are integrally formed on the upper end face of the primary 3 and distributed from left to right, each magnetic pole tooth 311 extends from front to back, and the distance between every two adjacent magnetic pole teeth 311 is the same.

The value of N is a positive integer multiple of 2.

The secondary 4 comprises an armature core 41, a plurality of armature windings 42 and a plurality of excitation windings 43, and each armature core 41 is formed by laminating a plurality of silicon steel sheets distributed from left to right; the armature core 41 comprises an armature yoke 411 and a plurality of pairs of armature main teeth 412 integrally formed with the armature yoke 411, all the armature main teeth 412 are arranged on the same side of the armature yoke 411, a main groove 413 is formed between two armature main teeth 412 in each pair of armature main teeth 412 and the armature yoke 411, a secondary groove 414 is formed between two adjacent pairs of armature main teeth 412 and the armature yoke 411, and the main grooves 413 and the secondary grooves 414 are uniformly distributed along the armature yoke 411 at intervals; the armature winding 42 is wound on the armature yoke 411 at the position of each main groove 413, and the excitation winding 43 is wound on the armature yoke 411 at the position of each auxiliary groove 414; the lower end of each armature primary tooth 412 is formed with an armature secondary tooth structure.

Each armature secondary tooth comprises M armature secondary teeth 415 integrally formed at the lower end of the armature main tooth 412, the M armature secondary teeth 415 at the lower end of each armature main tooth 412 are all bounded by the outer edge of the corresponding armature main tooth and distributed towards the direction of the corresponding main groove 413, and the M armature secondary teeth 415 on the two armature main teeth 412 adjacent to each main groove 413 are symmetrically arranged around the center of the main groove 413.

The value of M is 2 or 3 or 4.

The reluctance type linear generator of the utility model works by means of reluctance torque, the running speed of the asynchronous motor is improved, and the output efficiency of the generator and the power factor of the generator are effectively improved; the armature secondary teeth can plan a magnetic field path, the utilization rate of magnetic flux is improved, torque pulsation in power generation operation can be reduced, mechanical force distribution is relatively uniform, and the reliability of the generator can be improved.

When the utility model works, the primary is driven by the prime motor to do linear motion, the space positions of the bracket and the secondary are not changed, and the primary and the secondary form relative motion; when the excitation winding is electrified with direct current, the generated magnetic flux forms a closed path along the armature magnetic yoke, the armature main tooth, the armature auxiliary tooth, the air gap and the magnetic pole tooth, and when the primary and the secondary form relative motion, the armature winding can generate induced voltage under the action of a magnetic field, so that electric energy can be output, and the power generation function is realized.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A reluctance linear generator, characterized by: the device comprises a base (1) and a support (2), wherein the support (2) is connected to the base (1) in a left-right sliding manner, the sliding direction of the support (2) is parallel to the extending direction of the base (1), and a gap is reserved between the inner top of the support (2) and the inner bottom of the base (1); be fixed with elementary (3) on the interior bottom of base (1), be provided with mounting hole (21) that a plurality of distributes from left to right in support (2), all be fixed with secondary (4) in every mounting hole (21), the lower extreme of every secondary (4) all be close to the upper end of elementary (3) and leave the air gap with between the upper end of elementary (3).

2. A reluctance type linear generator according to claim 1, wherein the primary (3) is formed by laminating a plurality of silicon steel sheets distributed from front to back, the upper end surface of the primary (3) is formed with reluctance type magnetic poles (31), the reluctance type magnetic poles (31) comprise N elongated magnetic pole teeth (311) integrally formed on the upper end surface of the primary (3) and distributed from left to right, each magnetic pole tooth (311) extends from front to back, and the distance between two adjacent magnetic pole teeth (311) is the same.

3. A reluctance-type linear electric generator according to claim 2, wherein the value of N is a positive integer of a multiple of 2.

4. A reluctance type linear generator according to claim 1, wherein said secondary (4) comprises an armature core (41), a plurality of armature windings (42) and a plurality of field windings (43), each armature core (41) is formed by laminating a plurality of silicon steel sheets distributed from left to right; the armature core (41) comprises an armature yoke (411) and a plurality of pairs of armature main teeth (412) integrally formed with the armature yoke (411), all the armature main teeth (412) are arranged on the same side of the armature yoke (411), a main groove (413) is formed between two armature main teeth (412) in each pair of armature main teeth (412) and the armature yoke (411), an auxiliary groove (414) is formed between two adjacent pairs of armature main teeth (412) and the armature yoke (411), and the main groove (413) and the auxiliary groove (414) are uniformly distributed along the armature yoke (411) at intervals; the armature winding (42) is wound on the armature magnetic yoke (411) at the position of each main groove (413), and the excitation winding (43) is wound on the armature magnetic yoke (411) at the position of each auxiliary groove (414); the lower end of each armature main tooth (412) is formed with an armature secondary tooth structure.

5. A reluctance type linear generator according to claim 4, wherein each armature secondary tooth comprises M armature secondary teeth (415) integrally formed at the lower end of the armature main tooth (412), the M armature secondary teeth (415) at the lower end of each armature main tooth (412) are all bounded by the outer edge of the corresponding armature main tooth and distributed in the direction of the corresponding main groove (413), and the M armature secondary teeth (415) on two armature main teeth (412) adjacent to each main groove (413) are symmetrically arranged with respect to the center of the main groove (413).

6. A reluctance-type linear generator according to claim 5, wherein the value of M is 2 or 3 or 4.