CN216929713U

CN216929713U - Alternating-current brushless intermediate-frequency generator rotor mechanism for transformer test

Info

Publication number: CN216929713U
Application number: CN202220781093.6U
Authority: CN
Inventors: 石学宇; 范玉吉; 陈士平; 张勇
Original assignee: Taian Yiwanfu Electric Machinery Co ltd China
Current assignee: Taian Yiwanfu Electric Machinery Co ltd China
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-07-08
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to the technical field of generator heat dissipation, in particular to an alternating current brushless intermediate frequency generator rotor mechanism for a transformer test, which comprises: rotor punching, heat dissipation dust removal subassembly and heat dissipation intermediate layer, the rotor punching is whole to be the cross form, and the rotor punching is provided with a plurality ofly through the mode of axial grafting, and is formed with the heat dissipation intermediate layer between the adjacent rotor punching, and the equal axial of each interior angle department of rotor punching has laid the heat dissipation dust removal subassembly, and the beneficial technological effect of this device is: the rotor punching sheets are inserted and installed to form a heat dissipation interlayer, so that the radial heat dissipation effect can be improved; the peripheral surface of the outer side of the rotor punching sheet is provided with the heat dissipation passage, so that the heat dissipation efficiency of the peripheral surface can be greatly improved; the utility model has simple structure, and can realize the heat dissipation and dust removal of the coil by utilizing the heat dissipation and dust removal component.

Description

Alternating-current brushless intermediate-frequency generator rotor mechanism for transformer test

Technical Field

The utility model relates to the technical field of generator heat dissipation, in particular to an alternating current brushless intermediate frequency generator rotor mechanism for a transformer test.

Background

Electric energy is one of the most important energy sources in modern society. The generator is mechanical equipment for converting energy in other forms into electric energy, and is driven by a water turbine, a steam turbine, a diesel engine or other power machines, and converts energy generated by water flow, air flow, fuel combustion or nuclear fission into mechanical energy to be transmitted to the generator, and then the mechanical energy is converted into electric energy by the generator. The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life. The rotor of the alternating-current generator is formed by laminating silicon steel sheets.

The heat of the generator is converted from the loss generated in the operation into heat energy, and is mainly and intensively distributed on the winding and the iron core. In order to ensure that the temperature rise of the generator does not exceed a certain value, the loss generated by the generator is reduced on one hand, and the heat dissipation capacity of the generator is increased on the other hand, and particularly the rotor is required to have high-efficiency heat dissipation capacity; the existing rotor is laminated into a whole, the radial heat dissipation effect is good, but the radial heat dissipation effect in the existing rotor is poor, a plurality of coils are additionally arranged on the rotor, heat is easily accumulated between the coils and a rotor punching sheet, and the local temperature is easily caused to be overhigh.

SUMMERY OF THE UTILITY MODEL

The utility model provides an alternating current brushless intermediate frequency generator rotor mechanism for a transformer test, which has the following specific implementation mode:

the utility model provides an it is experimental with exchanging brushless intermediate frequency generator rotor mechanism of transformer, includes: rotor punching, heat dissipation dust removal subassembly and heat dissipation intermediate layer, the whole cross form that is of rotor punching, the rotor punching is provided with a plurality ofly through the mode of axial grafting, and is formed with the heat dissipation intermediate layer between the adjacent rotor punching, and the equal axial of each interior angle department of rotor punching has laid the heat dissipation dust removal subassembly.

The rotor punching sheet is provided with a coil and then is used for controlling the output end of the generator to operate, the rotor punching sheet is provided with a central hole which is axially communicated, the front surface and the back surface of the rotor punching sheet are respectively and radially provided with a plurality of limiting bulges and limiting grooves, and the limiting bulges and the limiting grooves are uniformly distributed along the circumferential direction of the central hole at equal intervals.

Further, spacing bellied thickness is greater than the degree of depth of spacing recess, and spacing arch and the axial block of spacing recess that corresponds just form the ventilation groove between the adjacent spacing arch.

Further, the rotor punching sheet further comprises a plurality of heat dissipation holes which are axially communicated, the heat dissipation holes are evenly distributed in the ventilation groove along the circumferential direction of the central hole, and the heat dissipation holes are close to the central hole side of the ventilation groove.

Furthermore, the rotor punching sheet further comprises a plurality of heat dissipation channels, the heat dissipation channels are axially arranged on the circumferential surface of the side edge of the rotor punching sheet respectively, and the heat dissipation channels are communicated with the ventilation grooves.

The heat dissipation dust removal assembly can realize the ventilation and heat dissipation of coil department, can prevent that the dust from scattering simultaneously, and it includes casing, the cover body, slider, first conduction opening, baffling board and mounting panel, and the inboard cavity of casing, its top terminal surface and bottom terminal surface are equipped with the cover body and slider respectively, and the casing inboard is fixed with the baffling board through the mounting panel, has laid the first conduction opening of a plurality of on the slider, and first conduction opening links to each other the casing inboard with the heat dissipation intermediate layer.

Furthermore, the rotor punching sheet further comprises a mounting groove, the mounting groove is axially distributed at each inner corner of the rotor punching sheet, and the sliding block is axially slidably connected to the mounting groove.

Further, the cover body comprises a flat plate, inclined plates and waist-shaped through holes, the inclined plates are arranged on two sides of the flat plate, and the waist-shaped through holes are provided with a plurality of the inclined plates and penetrate through the flat plate and the inclined plates respectively in the radial direction.

Furthermore, a plurality of second ventilation openings are arranged on the mounting plate at equal intervals, a dust collecting groove is formed in the bottom end of the mounting plate, and a plurality of baffle plates are fixedly arranged on the top surface of the mounting plate.

The beneficial technical effects of the utility model are as follows:

1, the rotor punching sheets are inserted and installed to form a heat dissipation interlayer, so that the radial heat dissipation effect can be improved;

2, the heat dissipation efficiency of the peripheral surface can be greatly improved by arranging the heat dissipation channel on the peripheral surface of the outer side of the rotor punching sheet;

3, the utility model has simple structure, and can realize the heat dissipation and dust removal of the coil by utilizing the heat dissipation and dust removal component.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic illustration of an explosive structure according to the present invention;

FIG. 3 is a schematic front structural view of a rotor sheet according to the present invention;

FIG. 4 is a schematic view of a back structure of a rotor sheet according to the present invention;

FIG. 5 is a schematic structural view of a heat dissipation and dust removal assembly according to the present invention;

FIG. 6 is a first cross-sectional view of the heat dissipation and dust removal assembly of the present invention;

FIG. 7 is a second cross-sectional view of the heat dissipation and dust removal assembly of the present invention;

FIG. 8 is a schematic cross-sectional view of the present invention;

fig. 9 is an enlarged view of the structure of portion a of fig. 8 according to the present invention.

Description of reference numerals:

1. a rotor punching sheet, 2, a heat dissipation and dust removal component, 3, a heat dissipation interlayer,

11. a limiting bulge 12, a ventilation groove 13, a heat dissipation passage 14, a heat dissipation hole 15, a mounting groove 16, a central hole 17 and a limiting groove,

21. a shell body 22, a cover body 23, a slide block 24, a first conduction opening 25, a baffle plate 26 and a mounting plate,

221. a flat plate 222, a sloping plate 223, a waist-shaped through hole,

261. a second vent 262 and a dust collecting groove.

Detailed Description

The following description of the embodiments of the present invention refers to the accompanying drawings and examples:

it should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.

In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Embodiment 1, with reference to fig. 1, a rotor mechanism of an ac brushless intermediate frequency generator for transformer test includes a rotor sheet 1 and a heat dissipation interlayer 3, the rotor sheet 1 is overall in a cross shape, the rotor sheets 1 are provided with a plurality of through axial insertion, a heat dissipation interlayer 3 is formed between adjacent rotor sheets 1, and a radial heat dissipation effect is improved through the heat dissipation interlayer 3.

Combine fig. 3 and fig. 4, rotor punching 1 is equipped with the centre bore 16 that the axial switched on, and it is just, the reverse side radially is equipped with the spacing arch 11 of a plurality of and spacing recess 17 respectively, and each spacing arch 11 and each spacing recess 17 evenly lay along the circumference equidistance of centre bore 16 respectively, and the thickness of spacing arch 11 is greater than the degree of depth of spacing recess 17 in this structure, and the spacing arch 11 that corresponds and the axial block of spacing recess 17, and forms ventilation groove 12 between the adjacent spacing arch 11.

With reference to fig. 3, the rotor punching sheet 1 further includes a plurality of heat dissipation holes 14 which are axially conducted, the heat dissipation holes 14 are uniformly distributed in the ventilation groove 12 along the circumferential direction of the central hole 16, and the heat dissipation holes 14 are close to the side of the central hole 16 of the ventilation groove 12, so that the heat dissipation effect of the axial direction of the inner side of the rotor punching sheet 1 can be improved.

With reference to fig. 3 and 4, the rotor sheet 1 further includes a plurality of heat dissipation paths 13, which are respectively axially disposed at the circumferential side of the rotor sheet 1, and the heat dissipation paths 13 are connected to the ventilation slots 12, in this structure, the heat dissipation paths 13 can axially guide out the circumferential heat and can receive the hot air in the ventilation slots 12.

With reference to fig. 8 and 9, the specific implementation process is as follows: the heat is gathered in the heat dissipation interlayer 3 and is axially and outwards led out through the heat dissipation holes 14, meanwhile, part of the heat enters each heat dissipation passage 13 through the ventilation grooves 12, the heat dissipation passages 13 are outwards developed, and the heat can be radially discharged and can be axially discharged at the same time.

Embodiment 2, with reference to fig. 1 and fig. 2, an ac brushless intermediate frequency generator rotor mechanism for transformer test further includes: the heat dissipation and dust removal components 2 are axially distributed at each inner corner of the rotor punching sheet 1,

referring to fig. 5, the heat dissipation and dust removal assembly 2 includes a housing 21, the housing 21 is hollow inside, a cover 22 and a slider 23 are respectively disposed on the top end surface and the bottom end surface of the housing 21, a baffle 25 is fixed on the inside of the housing 21 through a mounting plate 26, a plurality of first conduction openings 24 are disposed on the slider 23, and the first conduction openings 24 connect the inside of the housing 21 with the heat dissipation interlayer 3.

With reference to fig. 3, the rotor sheet 1 further includes mounting grooves 15, the mounting grooves 15 are axially disposed at inner corners of the rotor sheet 1, and the sliding blocks 23 are axially slidably connected to the mounting grooves 15.

Referring to fig. 6, the cover 22 includes a flat plate 221, inclined plates 222 are disposed on two sides of the flat plate 221, and a plurality of waist-shaped through holes 223 radially penetrate through the flat plate 221 and the inclined plates 222, respectively.

Referring to fig. 7, the mounting plate 26 is provided with a plurality of second vents 261 arranged at equal intervals, the bottom end of the mounting plate is provided with a dust collection groove 262, the top surface of the mounting plate is fixedly provided with a plurality of baffle plates 25, in the structure, when hot air contacts the S-shaped baffle plates 25, the hot air impacts the baffle plates 25 to generate baffling and enters the second vents 261, and dust falls into the dust collection groove 262 along the outer side walls of the baffle plates 25.

The specific implementation process comprises the following steps: the heat and dust at the coil pass through the waist-shaped through hole 223 under the driving of the wind, and after striking the baffle plate 25, the wind with heat enters the heat dissipation interlayer 3 through the second ventilation opening 261 and the first ventilation opening 24 in sequence, and the subsequent heat dissipation mode is the same as that of embodiment 1.

Many other changes and modifications can be made without departing from the spirit and scope of the utility model. It is to be understood that the utility model is not to be limited to the specific embodiments, but only by the scope of the appended claims.

Claims

1. The utility model provides an it is experimental with exchanging brushless intermediate frequency generator rotor mechanism to transformer, includes: rotor punching (1), heat dissipation dust removal subassembly (2) and heat dissipation intermediate layer (3), rotor punching (1) is whole to be the cross form, and rotor punching (1) is provided with a plurality ofly through the mode of axial grafting, and is formed with heat dissipation intermediate layer (3) between adjacent rotor punching (1), heat dissipation dust removal subassembly (2), its characterized in that have been laid to each internal angle department axial of rotor punching (1):

the rotor punching sheet (1) is provided with a central hole (16) which is axially communicated, the front surface and the back surface of the rotor punching sheet are respectively and radially provided with a plurality of limiting bulges (11) and limiting grooves (17), and the limiting bulges (11) and the limiting grooves (17) are respectively and uniformly distributed along the circumferential direction of the central hole (16) at equal intervals.

2. The alternating current brushless intermediate frequency generator rotor mechanism for the transformer test is characterized in that the thickness of the limiting protrusions (11) is larger than the depth of the limiting grooves (17), the corresponding limiting protrusions (11) are axially clamped with the limiting grooves (17), and ventilation grooves (12) are formed between the adjacent limiting protrusions (11).

3. The alternating current brushless intermediate frequency generator rotor mechanism for the transformer test is characterized in that the rotor sheet (1) further comprises a plurality of axially conducted heat dissipation holes (14), the heat dissipation holes are uniformly distributed in the ventilation groove (12) along the circumferential direction of the central hole (16), and the heat dissipation holes are close to the side of the central hole (16) of the ventilation groove (12).

4. The alternating current brushless intermediate frequency generator rotor mechanism for the transformer test is characterized in that the rotor sheet (1) further comprises a plurality of heat dissipation passages (13) which are axially arranged on the circumferential surface of the side edge of the rotor sheet (1) respectively, and the heat dissipation passages (13) are communicated with the ventilation grooves (12).

5. The alternating current brushless intermediate frequency generator rotor mechanism for the transformer test is characterized in that the heat dissipation and dust removal assembly (2) comprises a shell (21), a cover body (22), a sliding block (23), a first conduction opening (24), a baffle plate (25) and a mounting plate (26),

the heat dissipation structure is characterized in that the inner side of the shell (21) is hollow, the top end face and the bottom end face of the shell are respectively provided with a cover body (22) and a sliding block (23), the inner side of the shell (21) is fixed with a baffle plate (25) through a mounting plate (26), the sliding block (23) is provided with a plurality of first conduction openings (24), and the inner side of the shell (21) is connected with the heat dissipation interlayer (3) through the first conduction openings (24).

6. The alternating current brushless intermediate frequency generator rotor mechanism for the transformer test is characterized in that the rotor sheet (1) further comprises mounting grooves (15), the mounting grooves (15) are axially arranged at inner corners of the rotor sheet (1), and the sliding blocks (23) are axially slidably connected to the mounting grooves (15).

7. The AC brushless intermediate frequency generator rotor mechanism for transformer test according to claim 6, wherein the cover body (22) comprises a flat plate (221), an inclined plate (222) and a kidney-shaped through hole (223),

both sides of the flat plate (221) are provided with inclined plates (222), and the waist-shaped through holes (223) are provided with a plurality of inclined plates (222) which respectively penetrate through the flat plate (221) and the inclined plates (222) in the radial direction.

8. The alternating current brushless intermediate frequency generator rotor mechanism for the transformer test as claimed in claim 7, wherein the mounting plate (26) is provided with a plurality of second ventilation openings (261) arranged at equal intervals, the bottom end of the mounting plate is provided with a dust collection groove (262), and the top surface of the mounting plate is fixedly provided with a plurality of baffle plates (25).