A modular motor

Abstract

The present invention relates to a modular motor, comprising at least: N+2 rotor modules, namely a front rotor module, a tail rotor module, and N universal rotor modules, where N is a natural number; N+1 stator modules; a front cover; a rear cover; and a transmission shaft. N+1 stator modules and N universal rotor modules are arranged between the front rotor module and the tail rotor module, the front cover and the rear cover are located on either side of the front rotor module and the tail rotor module, respectively, and the transmission shaft passes through the front cover, the front rotor module, the N+1 stator modules and N universal rotor modules, the tail rotor module, and the rear cover in sequence. The present invention can arbitrarily increase the number of stator modules in the axial direction of the transmission shaft, thereby improving the magnetic energy utilization rate of the original motor and transforming the existing motor from being compatible and single to being universal and convenient.

Description

Technical Field

[0001] The present invention relates to the field of motor equipment, and in particular to a modular motor. Background Art

[0002] As various devices pursue efficiency, various innovations are presented before our eyes. At the same time, the requirements for efficiency of the heart of the equipment - the motor - are also constantly increasing. With the upgrading of equipment, especially in terms of improving efficiency, magnetic energy motors have highlighted their superiority.

[0003] The traditional motor mode is a single mode. When the equipment needs to be upgraded, the original motor may not be usable and needs to be replaced with a new one. Summary of the Invention

[0004] In view of the above problems, the present invention is proposed to provide a modular motor that overcomes the above problems or at least partially solves the above problems.

[0005] According to one aspect of the present invention, a modular motor is provided, comprising at least: N+2 rotor modules, namely a front rotor module, a tail rotor module and N universal rotor modules, where N is a natural number; N+1 stator modules; a front end cover; a rear end cover; and a transmission shaft; wherein N+1 stator modules and N universal rotor modules are arranged at intervals between the front rotor module and the tail rotor module, the front end cover and the rear end cover are respectively located on both sides of the front rotor module and the tail rotor module, and the transmission shaft passes through the front end cover, the front rotor module, the N+1 stator modules and N universal rotor modules, the tail rotor module and the rear end cover in sequence.

[0006] In one possible embodiment, the front-end rotor module includes a first rotor bracket, a first magnetic conductive ring and a plurality of first permanent magnets, wherein the first permanent magnet and the first magnetic conductive ring are located on both sides of the first rotor bracket, and the first permanent magnet is located on a side close to the stator module.

[0007] In a possible implementation, the universal rotor module includes a second rotor support, and a plurality of second permanent magnets of equal number are provided on both sides of the second rotor support.

[0008] In one possible embodiment, the tail rotor module includes a third rotor bracket, a third magnetic conductive ring and a plurality of third permanent magnets, wherein the third permanent magnet and the third magnetic conductive ring are located on both sides of the third rotor bracket, and the third permanent magnet is located on the side close to the stator module.

[0009] In a possible implementation manner, the front end cover, the stator module, and the rear end cover are connected by bolts.

[0010] In one possible embodiment, the stator module includes a shell bracket, two ring brackets, a cylindrical bracket, and multiple winding cores. The winding core includes an iron core and a coil wound on the iron core. The multiple winding cores form an annular area around the cylindrical bracket. The two ring brackets sandwich the cylindrical bracket and the multiple winding cores. The two ring brackets are fixed inside the shell bracket, and the coil is wound along the radial direction of the annular area.

[0011] In a possible embodiment, a first cylinder is provided on a side of the first rotor bracket close to the stator module, and a plurality of first permanent magnets are surrounded by the periphery of the first cylinder; second cylinders are provided on both sides of the second rotor bracket, and a plurality of second permanent magnets are surrounded by the periphery of the second cylinder; a third cylinder is provided on a side of the third rotor bracket close to the stator module, and a plurality of third permanent magnets are surrounded by the periphery of the third cylinder; the first cylinder and the second cylinder are connected by a snap-fit connection, and the second cylinder and the third cylinder are connected by a snap-fit connection.

[0012] In a possible embodiment, a groove is provided on the first cylinder, and among the second cylinders on both sides of the second rotor bracket, one second cylinder is provided with a protrusion, and the other second cylinder is provided with a groove, and the third cylinder is provided with a protrusion, and the groove on the first cylinder is engaged with the protrusion of the second cylinder on the second rotor bracket, and the protrusion on the third cylinder is engaged with the groove of the second cylinder on the second rotor bracket.

[0013] In a possible embodiment, a protrusion is provided on the first cylinder, and among the second cylinders on both sides of the second rotor bracket, one second cylinder is provided with a protrusion, and the other second cylinder is provided with a groove, and the third cylinder is provided with a groove, and the protrusion on the first cylinder is engaged with the groove of the second cylinder on the second rotor bracket, and the groove on the third cylinder is engaged with the protrusion of the second cylinder on the second rotor bracket.

[0014] The present invention can arbitrarily increase the number of stator modules in the axial direction of the transmission shaft, improve the magnetic energy utilization rate of the original motor, and transform the matching and singleness of the existing motor into universality and convenience. Due to the rational use of the disruptive technology of the modular motor, the company's operating costs are reduced, including energy saving, production costs, labor costs and other related management costs, further improving operating profits.

[0015] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are specifically listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 A schematic structural diagram of a modular motor provided by an embodiment of the present invention;

[0018] Figure 2 It is a structural schematic diagram of a front-end rotor module;

[0019] Figure 3 for Figure 2 Structural diagram from another perspective;

[0020] Figure 4 Schematic diagram of the structure of a tail rotor module;

[0021] Figure 5 for Figure 4 Structural diagram from another perspective;

[0022] Figure 6 Schematic diagram of the structure of a universal rotor module;

[0023] Figure 7 for Figure 6 Structural diagram from another perspective;

[0024] Figure 8 1 is a structural diagram of a stator module;

[0025] Figure 9 This is a schematic diagram of the structure of the stator module without the stator bracket;

[0026] Figure 10 for Figure 9 Schematic diagram of the structure after the ring bracket is omitted in the middle structure;

[0027] Figure 11 A cross-sectional view of the front rotor module;

[0028] Figure 12 is a cross-sectional view of a universal rotor module;

[0029] Figure 13 A cross-sectional view of the rear end rotor module;

[0030] Description of reference numerals:

[0031] 1-front rotor module, 2-universal rotor module, 3-rear rotor module, 4-stator module, 5-front cover, 6-rear cover, 7-drive shaft, 8-bolts;

[0032] 11-first rotor bracket, 12-first permanent magnet, 13-first magnetic conductive ring, 111-first cylinder;

[0033] 21-second rotor bracket, 22-second permanent magnet, 211-second cylinder;

[0034] 31 - third rotor bracket, 32 - third permanent magnet, 33 - third magnetic conductive ring, 311 - third cylinder;

[0035] 41-housing bracket, 42-ring bracket, 43-cylinder bracket, 44-winding core. DETAILED DESCRIPTION

[0036] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0037] The terms "comprises" and "comprising" and any variations thereof in the description, embodiments, claims and drawings of the present invention are intended to cover non-exclusive inclusions, for example, including a series of steps or units.

[0038] The technical solution of the present invention is further described in detail below with reference to the accompanying drawings and embodiments.

[0039] Example 1

[0040] An embodiment of the present invention provides a modular motor, comprising at least:

[0041] N+2 rotor modules, including a front rotor module 1, a rear rotor module 3 and N universal rotor modules 2, where N is a natural number;

[0042] N+1 stator modules 4;

[0043] Front end cover 5;

[0044] rear end cover 6;

[0045] Drive shaft 7;

[0046] Among them, N+1 stator modules 4 and N universal rotor modules 2 are arranged between the front-end rotor module 1 and the tail-end rotor module 3, the front-end cover 5 and the rear-end cover 6 are respectively located on both sides of the front-end rotor module 1 and the tail-end rotor module 3, and the transmission shaft 7 passes through the front-end cover 5, the front-end rotor module 1, the N+1 stator modules 4 and N universal rotor modules 2, the tail-end rotor module 3 and the rear-end cover 6 in sequence.

[0047] In one example, if Figure 2-3 As shown, the front-end rotor module 1 includes a first rotor bracket 11, a first magnetic conductive ring 13 and a plurality of first permanent magnets 12, wherein the first permanent magnet 12 and the first magnetic conductive ring 13 are located on both sides of the first rotor bracket 11, and the first permanent magnet 12 is located on the side close to the stator module 4.

[0048] In one example, if Figure 6-7 As shown, the universal rotor module 2 includes a second rotor support 21 , and a plurality of second permanent magnets 22 of equal number are provided on both sides of the second rotor support 21 .

[0049] In one example, if Figure 4-5 As shown, the tail end rotor module 3 includes a third rotor bracket 31, a third magnetic conductive ring 33 and a plurality of third permanent magnets 32, wherein the third permanent magnet 32 and the third magnetic conductive ring 33 are located on both sides of the third rotor bracket 31, and the third permanent magnet 32 is located on the side close to the stator module 4.

[0050] The number of the first permanent magnets 12 is equal to the number of the third permanent magnets 32 and is equal to half of the number of the second permanent magnets 22 .

[0051] The front rotor module 1 and the rear rotor module 3 may be the same or different.

[0052] In one example, the front end cover 5 , the stator module 4 , and the rear end cover 6 are connected by bolts 8 .

[0053] In one example, the stator module 4 includes a shell bracket 41, two annular brackets 42, a cylindrical bracket 43, and a plurality of winding cores 44. The winding core 44 includes an iron core and a coil wound on the iron core. The plurality of winding cores 44 surround the cylindrical bracket 43 to form an annular area. The two annular brackets 42 sandwich the cylindrical bracket 43 and the plurality of winding cores 44. The two annular brackets 42 are fixed inside the shell bracket 41. The coil is wound along the radial direction of the annular area, as shown in FIG. Figure 8-10 The housing bracket 41 can be square or round.

[0054] In one example, a first cylinder 111 is provided on a side of the first rotor support 11 close to the stator module 4, and a plurality of first permanent magnets 12 surround the periphery of the first cylinder 111. Second cylinders 211 are provided on both sides of the second rotor support 21, and a plurality of second permanent magnets 22 surround the periphery of the second cylinder 211. A third cylinder 311 is provided on a side of the third rotor support 31 close to the stator module 4, and a plurality of third permanent magnets 32 surround the periphery of the third cylinder 311. Figure 11-13 shown.

[0055] The first cylinder 111 and the second cylinder 211 are connected via a snap-fit connection, and the second cylinder 211 and the third cylinder 311 are connected via a snap-fit connection.

[0056] Exemplarily, a groove is provided on the first cylinder 111, and among the second cylinders 211 on both sides of the second rotor bracket 21, one second cylinder 211 is provided with a protrusion, and the other second cylinder 211 is provided with a groove, and the third cylinder 311 is provided with a protrusion, and the groove on the first cylinder 111 is clamped with the protrusion of the second cylinder 211 on the second rotor bracket 21, and the protrusion on the third cylinder 311 is clamped with the groove of the second cylinder 211 on the second rotor bracket 21.

[0057] Exemplarily, a protrusion is provided on the first cylinder 111, and among the second cylinders 211 on both sides of the second rotor bracket 21, one second cylinder 211 is provided with a protrusion, and the other second cylinder 211 is provided with a groove, and the third cylinder 311 is provided with a groove, and the protrusion on the first cylinder 111 is clamped with the groove of the second cylinder 211 on the second rotor bracket 21, and the groove on the third cylinder 311 is clamped with the protrusion of the second cylinder 211 on the second rotor bracket 21.

[0058] Example 2

[0059] A modular motor includes: a stator module 4, a front end cover 5, a rear end cover 6, a transmission shaft 7 and two rotor modules, the two rotor modules are a front end rotor module 1 and a tail end rotor module 3, wherein the stator module 4 is located between the front end rotor module 1 and the tail end rotor module 3, the front end cover 5 is located on the front side of the front end rotor module 1, the rear end cover 6 is located on the rear side of the tail end rotor module 3, and the transmission shaft 7 passes through the front end cover 5, the front end rotor module 1, the stator module 4, the tail end rotor module 3 and the rear end cover 6 in sequence.

[0060] Example 3

[0061] A modular motor, such as Figure 1, including: two stator modules 4, a front end cover 5, a rear end cover 6, a transmission shaft 7 and three rotor modules, the three rotor modules are a front end rotor module 1, a tail end rotor module 3 and a universal rotor module 2 distributed in sequence, wherein the two stator modules 4 are spaced apart from the three rotor modules, which are the front end rotor module 1, the stator module 4, the universal rotor module 2, the stator module 4, and the tail end rotor module 3 in sequence, the front end cover 5 is located on the front side of the front end rotor module 1, the rear end cover 6 is located on the rear side of the tail end rotor module 3, and the transmission shaft 7 passes through the front end cover 5, the front end rotor module 1, the stator module 4, the universal rotor module 2, the stator module 4, the tail end rotor module 3 and the rear end cover 6 in sequence.

[0062] Example 2 is the simplest form of a modular motor, with only a stator module 4 between the front rotor module 1 and the rear rotor module 3, and no universal rotor module 2. Example 3 builds on Example 2 by adding a universal rotor module 2 between the front rotor module 1 and the rear rotor module 3, then installing a stator module 4 between the front rotor module 1 and the universal rotor module 2, and a stator module 4 between the rear rotor module 3 and the universal rotor module 2.

[0063] According to actual needs, more universal rotor modules 2 can be added between the front rotor module 1 and the tail rotor module 3, and stator modules 4 can be set between the front rotor module 1 and the universal rotor module 2, between the tail rotor module 3 and the universal rotor module 2, and between adjacent universal rotor modules 2.

[0064] In the above embodiment, the stator modules can be connected in parallel or in series, and the number of stator modules can be increased at will in the axial direction of the transmission shaft, thereby improving the magnetic energy utilization rate of the original motor and transforming the matching and singleness of the existing motor into universality and convenience. Due to the rational use of the disruptive technology of the modular motor, the company's operating costs are reduced, including energy saving, production costs, labor costs and other related management costs, thereby further improving operating profits.

[0065] The above specific implementation methods further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific implementation methods of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A modular motor, characterized in that: At least: N+2 rotor modules, including a front rotor module (1), a rear rotor module (3) and N universal rotor modules (2), where N is a natural number; N+1 stator modules (4); Front end cover (5); rear end cover (6); Transmission shaft (7); Wherein, N+1 stator modules (4) and N universal rotor modules (2) are arranged between the front rotor module (1) and the rear rotor module (3), the front cover (5) and the rear cover (6) are respectively located on both sides of the front rotor module (1) and the rear rotor module (3), and the transmission shaft (7) passes through the front cover (5), the front rotor module (1), the N+1 stator modules (4) and N universal rotor modules (2) that are arranged at intervals, the rear rotor module (3) and the rear cover (6) in sequence; The stator module (4) comprises a housing support (41), two annular supports (42), a cylindrical support (43), and a plurality of winding cores (44); the winding cores (44) comprise an iron core and a coil wound on the iron core; the plurality of winding cores (44) surround the cylindrical support (43) to form an annular region; the two annular supports (42) sandwich the cylindrical support (43) and the plurality of winding cores (44); the two annular supports (42) are fixed inside the housing support (41); and the coils are wound along the radial direction of the annular region; A first cylinder (111) is provided on one side of the first rotor support (11) close to the stator module (4), and a plurality of first permanent magnets (12) surround the periphery of the first cylinder (111); a second cylinder (211) is provided on both sides of the second rotor support (21), and a plurality of second permanent magnets (22) surround the periphery of the second cylinder (211); a third cylinder (311) is provided on one side of the third rotor support (31) close to the stator module (4), and a plurality of third permanent magnets (32) surround the periphery of the third cylinder (311); The first cylinder (111) and the second cylinder (211) are connected via a snap-fit connection, and the second cylinder (211) and the third cylinder (311) are connected via a snap-fit connection; A groove is provided on the first cylinder (111); in the second cylinders (211) on both sides of the second rotor bracket (21), one second cylinder (211) is provided with a protrusion, the other second cylinder (211) is provided with a groove, and a protrusion is provided on the third cylinder (311); the groove on the first cylinder (111) is engaged with the protrusion of the second cylinder (211) on the second rotor bracket (21), and the protrusion on the third cylinder (311) is engaged with the groove of the second cylinder (211) on the second rotor bracket (21); A protrusion is provided on the first cylinder (111); among the second cylinders (211) on both sides of the second rotor bracket (21), one second cylinder (211) is provided with a protrusion, the other second cylinder (211) is provided with a groove, and the third cylinder (311) is provided with a groove; the protrusion on the first cylinder (111) is engaged with the groove of the second cylinder (211) on the second rotor bracket (21), and the groove on the third cylinder (311) is engaged with the protrusion of the second cylinder (211) on the second rotor bracket (21).

2. The modular motor according to claim 1, characterized in that: The front-end rotor module (1) comprises a first rotor bracket (11), a first magnetic conductive ring (13) and a plurality of first permanent magnets (12), wherein the first permanent magnets (12) and the first magnetic conductive ring (13) are located on both sides of the first rotor bracket (11), and the first permanent magnets (12) are located on a side close to the stator module (4).

3. The modular motor according to claim 1, characterized in that: The universal rotor module (2) comprises a second rotor support (21), and a plurality of second permanent magnets (22) of equal number are provided on both sides of the second rotor support (21).

4. The modular motor according to claim 1, characterized in that: The tail rotor module (3) comprises a third rotor bracket (31), a third magnetic conductive ring (33) and a plurality of third permanent magnets (32), wherein the third permanent magnets (32) and the third magnetic conductive ring (33) are located on both sides of the third rotor bracket (31), and the third permanent magnets (32) are located on a side close to the stator module (4).

5. The modular motor according to claim 1, characterized in that: The front end cover (5), the stator module (4), and the rear end cover (6) are connected via bolts (8).

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