CN111739718B

CN111739718B - Low-noise amorphous alloy iron core transformer

Info

Publication number: CN111739718B
Application number: CN202010759124.3A
Authority: CN
Inventors: 严金华; 王力; 崔红志; 宋金徉
Original assignee: Shandong Hengwei Electric Equipment Co ltd
Current assignee: Shandong Hengwei Electric Equipment Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2022-06-14
Anticipated expiration: 2040-07-31
Also published as: CN111739718A

Abstract

The invention relates to and discloses a low-noise amorphous alloy iron core transformer, which comprises a box body provided with a containing cavity, an iron core arranged in the box body, a coil assembly arranged on the iron core, and a heat dissipation plate arranged on the outer wall of the box body, wherein the iron core is arranged in the box body; the iron core is a three-frame three-column iron core formed by splicing and combining three round-angle rectangular core frames; the iron core is triangular when viewed from a top view, each coil assembly is sleeved on a corresponding iron core column, a plurality of convex plates are further arranged on the inner wall of the box body, a sound absorption groove is formed between every two adjacent convex plates, and a suction hole is formed in each sound absorption groove. The invention absorbs the noise through the suction holes and the sponge blocks in the sound absorption grooves formed between every two adjacent convex plates on the inner wall of the box body, thereby achieving the aim of reducing the noise generated by the transformer.

Description

Low-noise amorphous alloy iron core transformer

Technical Field

The invention relates to the technical field of transformers, in particular to a low-noise amorphous alloy iron core transformer.

Background

The total three sound source of transformer noise of metallic glass iron core transformer on the current market, firstly unshakable in one's determination, secondly the winding, but the noise can influence residents on every side greatly, and install when the eminence at metallic glass iron core transformer, carry the eminence by the manual work at present, if the problem needs maintenance or when changing after installing well, still need the manual work to climb the eminence here, remove at the eminence in needs during the maintenance, inconvenient and security are low.

Disclosure of Invention

The invention aims to provide a low-noise amorphous alloy iron core transformer, which achieves the purposes of reducing noise and improving the safety during maintenance.

In order to achieve the purpose, the invention provides the following technical scheme: a low-noise amorphous alloy iron core transformer comprises a box body provided with a containing cavity, an iron core arranged in the box body, a coil assembly arranged on the iron core, and a heat dissipation plate arranged on the outer wall of the box body; the iron core is a three-frame three-column iron core formed by splicing and combining three round-angle rectangular core frames; the iron core is triangular when being observed from a overlooking angle, each coil assembly is sleeved on a corresponding iron core column, the inner wall of the box body is further provided with a plurality of convex plates, a sound absorption groove is formed between every two adjacent convex plates, and a suction hole is formed in the sound absorption groove.

Preferably, a sponge block is arranged in the shell of the box body, a first fixed lug and a second fixed lug are fixedly welded on the top of the box body, a first rope and a second rope are respectively tied on the outer walls of the first fixed lug and the second fixed lug, a support frame is arranged above the box body, a first through hole is formed in the position, between the left end face and the right end face of the support frame, of the middle groove and penetrates through the middle groove, a transmission shaft is movably sleeved on the inner wall of the first through hole, a right screw fixedly connected with motor is positioned on the right end face of the support frame, the output end of the motor is fixedly connected with the right end of the transmission shaft, a fixed cylinder is fixedly sleeved on the outer wall of the transmission shaft, a first annular groove and a second annular groove are formed in the outer wall of the fixed cylinder, one end, far away from the first fixed lug, of the first rope is fixedly tied on the annular groove wall of the first annular groove, one end, far away from the second rope, of the second fixed lug is fixedly tied on the annular groove wall of the annular groove, the back of support frame and with the crossing department of left end face seted up groove two, the top of support frame just passes groove two and sets up screw hole one, the inner wall threaded connection of screw hole one has threaded rod one, the support frame articulates through threaded rod one activity has mounting one, the back of support frame and with the crossing department of right-hand member face seted up groove three, the top of support frame just passes recess three throw and is equipped with screw hole two, the inner wall threaded connection of screw hole two has threaded rod two, the support frame articulates through threaded rod two activities has mounting two, the positive screw fixedly connected with fixed ear three of box.

Preferably, a groove IV and a groove V are formed in one ends, far away from the support frame, of the first fixing piece and the second fixing piece respectively, a third fixing piece is inserted into the groove IV, and one end, far away from the groove IV, of the third fixing piece is inserted into the groove V.

Preferably, a third threaded hole is formed between the top and the bottom of the third fixing piece.

Preferably, the number of the threaded holes three is ten, and the threaded holes three are symmetrically and uniformly distributed along the center line of the fixing piece three in the left-right direction.

Preferably, a threaded hole four and a threaded hole five are respectively formed between the top and the bottom of the first fixing piece and the second fixing piece.

Preferably, the threaded hole four and the threaded hole three on the left side are simultaneously in threaded connection with a threaded rod three, and the threaded hole five and the threaded hole three on the right side are simultaneously in threaded connection with a threaded rod four.

Preferably, the first threaded rod and the second threaded rod are identical, the outer walls of the rod pieces at the top end and the lower end are threaded surfaces, and the rod piece in the middle is a smooth surface.

Preferably, the third fixing part is respectively matched with the fourth groove on the first fixing part and the fifth groove on the second fixing part.

The invention provides a low-noise amorphous alloy iron core transformer. The method has the following beneficial effects: when the transformer needs to be installed at a high place, the support frame is manually brought to the upper part, then the support frame is fixed at the high place through the cooperation between the first fixing part, the second fixing part and the third fixing part, the transmission shaft is driven to rotate by starting the motor, so that the first rope and the second rope are respectively wound on the inner walls of the first annular groove and the second annular groove, the whole transformer is driven to move upwards, when the transformer has problems and needs to be maintained or replaced, the motor is started to drive the transmission shaft to rotate reversely, so that the first rope and the second rope are driven to be respectively far away from the first annular groove and the second annular groove, the transformer is driven to move downwards, and the transformer is not required to be manually climbed above again to perform rigid transformer replacement, or the maintenance is carried out, the safety is improved, and the back of the transformer is manually controlled not to collide with an object when moving upwards by tying a rope on the third fixing lug.

Drawings

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

FIG. 2 is a schematic view of the present invention with a lifting device added;

FIG. 3 is a left side view of the structure of FIG. 2 according to the present invention;

FIG. 4 is a schematic right-view structural diagram of FIG. 2 in accordance with the present invention;

FIG. 5 is a schematic top view of the structure of FIG. 2 according to the present invention;

fig. 6 is a schematic structural view of a third fixing member in fig. 5.

In the figure: the device comprises a box body 1, a convex plate 2, a suction hole 3, a bottom plate 4, a fixing lug I5, a fixing lug II 6, a rope II 7, a rope I8, a support frame 9, a transmission shaft 10, a fixing cylinder 11, a ring groove I12, a ring groove II 13, a through hole I14, a motor 15, a threaded rod II 16, a threaded rod I17, a groove II 18, a groove III 19, a threaded hole I20, a threaded hole II 21, a fixing part I22, a fixing part II 23, a fixing part III 24, a threaded hole III 25, a threaded hole IV 26, a threaded hole V27, a threaded rod III 28, a threaded rod IV 29 and a fixing lug III 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, the present invention provides a technical solution: a low-noise amorphous alloy iron core transformer comprises a box body 1 provided with a containing cavity, an iron core arranged in the box body 1, a coil assembly arranged on the iron core, and a heat dissipation plate arranged on the outer wall of the box body 1; the iron core is a three-frame three-column iron core formed by splicing and combining three round-corner rectangular core frames; the iron core is triangular when being observed from a top view, each coil assembly is sleeved on a corresponding iron core column, the inner wall of the box body 1 is also provided with a plurality of convex plates 2, a sound absorption groove is formed between every two adjacent convex plates 2, a suction hole 3 is arranged in the sound absorption groove, noise is absorbed through the suction hole 3 and a sponge block 30 on the inner wall of the box body 1, so that the purpose of reducing the noise generated by the transformer is achieved, a bottom plate 4 is fixed at the bottom of the box body 1, a groove I2 is formed in the front face of the box body 1, the sponge block 30 is arranged in a shell of the box body 1, a fixing lug I5 and a fixing lug II 6 are fixedly welded on the upper portion of the box body 1, the outer walls of the fixing lug I5 and the fixing lug II 6 are respectively tied and connected with a rope I8 and a rope II 7, a support frame 9 is arranged above the box body 1, and when the transformer needs to be installed at a high place, the support frame 9 is manually brought to the upper portion, then the supporting frame 9 is fixed at a high position through the matching among the first fixing part 22, the second fixing part 23 and the third fixing part 24, the transmission shaft 10 is driven to rotate through the starting motor 15, so that the first rope 8 and the second rope 7 are driven to respectively wind and connect the inner walls of the first annular groove 12 and the second annular groove 13, and the whole transformer is driven to move upwards, when the transformer has problems and needs to be maintained or replaced, the starting motor 15 drives the transmission shaft 10 to rotate reversely, so that the first rope 8 and the second rope 7 are driven to respectively keep away from the first annular groove 12 and the second annular groove 13, so that the transformer is driven to move downwards, so that people do not need to climb to the upper part again to just replace the transformer or maintain, the maintenance is convenient and the safety is improved on the bottom surface, the first through hole 14 is formed between the left end surface and the right end surface of the supporting frame 9 and penetrates through the middle groove, the inner wall of the first through hole 14 is movably sleeved with a transmission shaft 10, the right end face of the support frame 9 and the right screw positioned on the transmission shaft 10 are fixedly connected with a motor 15, the motor 15 is a forward and reverse rotation motor, the starting or closing and forward and reverse rotation or reverse rotation of the motor can be controlled through remote control, the prior art is market, the output end of the motor 15 is fixedly connected with the right end of the transmission shaft 10, the outer wall of the transmission shaft 10 is fixedly sleeved with a fixed cylinder 11, the outer wall of the fixed cylinder 11 is provided with a first annular groove 12 and a second annular groove 13, one end of a rope I8 far away from a first fixed lug 5 is fixedly connected on the annular groove wall of the first annular groove 12, one end of a rope II 7 far away from a second fixed lug 6 is fixedly connected on the annular groove wall of the second annular groove 13, the intersection of the back face of the support frame 9 and the left end face is provided with a second groove 18, and the top of the support frame 9 penetrates through the second groove 18 to be provided with a first threaded hole 20, the inner wall of the first threaded hole 20 is in threaded connection with a first threaded rod 17, the first threaded rod 17 is the same as the second threaded rod 16, the outer walls of rod pieces, both the top end and the low end, are threaded surfaces, the middle rod piece is composed of smooth surfaces, the support frame 9 is movably hinged with a first fixing piece 22 through the first threaded rod 17, a fourth threaded hole 26 and a fifth threaded hole 27 are respectively formed between the top and the bottom of the first fixing piece 22 and the second fixing piece 23, the fourth threaded hole 26 and a third threaded hole 25 on the left side are simultaneously in threaded connection with a third threaded rod 28, the fifth threaded hole 27 and a third threaded hole 25 on the right side are simultaneously in threaded connection with a fourth threaded rod 29, one ends, far away from the support frame 9, of the first fixing piece 22 and the second fixing piece 23 are respectively provided with a fourth groove and a fifth groove, a third fixing piece 24 is inserted in the fourth groove, and the third fixing piece 24 is respectively matched with the fourth groove on the first fixing piece 22 and the fifth groove on the second fixing piece 23, the top to the bottom of the third fixing piece 24 is provided with a third threaded hole 25, the number of the third threaded holes 25 is ten, the third threaded holes are symmetrically and uniformly distributed along the center line of the left direction and the right direction of the third fixing piece 24, one end of the third fixing piece 24, which is far away from the fourth groove, is inserted into the fifth groove, the back of the support frame 9 is provided with a third groove 19 at the intersection with the right end face, the top of the support frame 9 penetrates through the third groove 19 to be provided with a second threaded hole 21, the inner wall of the second threaded hole 21 is in threaded connection with a second threaded rod 16, the support frame 9 is movably hinged with a second fixing piece 23 through the second threaded rod 16, the front face of the box body 1 is fixedly connected with a third fixing lug 30 through a screw, and the back of the transformer is manually controlled not to collide with an object when moving upwards.

The working principle is as follows: when the transformer is required to be installed at a high place, the support frame 9 is manually brought to the upper part, then the support frame 9 is fixed at the high place through the matching among the first fixing part 22, the second fixing part 23 and the third fixing part 24, the transmission shaft 10 is driven to rotate through the starting motor 15, the first rope 8 and the second rope 7 are driven to respectively wind and connect the inner walls of the first annular groove 12 and the second annular groove 13, the whole transformer is driven to move upwards, when the transformer has problems and needs to be maintained or replaced, the starting motor 15 drives the transmission shaft 10 to rotate reversely, the transmission shaft 10 is driven to rotate reversely, the first rope 8 and the second rope 7 are driven to respectively keep away from the first annular groove 12 and the second annular groove 13, and the transformer is driven to move downwards, therefore, the transformer does not need to be climbed to the upper part again for changing the transformer or maintained, the maintenance is convenient and the safety is improved on the bottom surface, and the back of the transformer is manually controlled not to collide with an object when the transformer moves upwards by tying a rope on the three fixing lugs 30.

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. A low noise metallic glass iron core transformer which characterized in that: comprises a container

A box body (1) of the cavity, an iron core arranged in the box body (1), a coil component arranged on the iron core,

The heat dissipation plate is arranged on the outer wall of the box body (1); the iron core is spliced by three round-corner rectangular core frames

Connecting the three-frame three-column iron core formed by combination; the iron core has a triangular shape when viewed from a top view

Each coil component is sleeved on a corresponding iron core column, and the inner wall of the box body (1) is also provided with a plurality of coil winding holes

A plurality of convex plates (2) are arranged, a sound absorption groove is formed between every two adjacent convex plates (2), and the sound absorption groove

A suction hole (3) is arranged in the middle;

a sponge block (30) is arranged in the shell of the box body, and a sponge block is fixedly welded above the box body (1)

Is connected with a first fixed lug (5) and a second fixed lug (6), the first fixed lug (5) and the second fixed lug (6)

The outer wall of the box body is respectively tied with a rope I (8) and a rope II (7), and a rope I (8) and a rope II (7) are arranged above the box body (1)

The supporting frame (9), the left end face to the right end face of the supporting frame (9) and the supporting frame penetrate through the middle groove to be opened

Is provided with a first through hole (14), and the inner wall of the first through hole (14) is movably sleeved with a transmission shaft (10)

The right end face of the support frame (9) is fixedly connected with an electric screw positioned on the right side of the transmission shaft (10)

A motor (15), the output end of the motor (15) is fixedly connected with the right end of the transmission shaft (10)

The outer wall of the transmission shaft (10) is fixedly sleeved with a fixed cylinder (11), and the outer wall of the fixed cylinder (11)

A first annular groove (12) and a second annular groove (13) are formed, and the first rope (8) is far away from and fixed

One end of the lug I (5) is fixedly tied on the annular groove wall of the annular groove I (12), and the rope is

One end of the second lug (7) far away from the second fixing lug (6) is fixedly tied and connected with the annular groove of the second annular groove (13)

On the wall, a second groove (18) is arranged at the intersection of the back surface of the supporting frame (9) and the left end surface,

the top of the support frame (9) penetrates through the second groove (18) to be provided with a first threaded hole (20), and the first threaded hole

The inner wall of the first threaded hole (20) is in threaded connection with a first threaded rod (17), and the support frame (9) is connected with the first threaded rod through a first thread

A first fixing part (22) is movably hinged to the first threaded rod (17), a third groove (19) is formed in the intersection of the back face of the supporting frame (9) and the right end face, and the top of the supporting frame (9) penetrates through the groove

A second threaded hole (21) is formed in the third groove (19), and the inner wall of the second threaded hole (21) is in threaded connection with

A second threaded rod (16), wherein the support frame (9) is movably hinged with a fixing part through the second threaded rod (16)

And the front surface of the box body (1) is fixedly connected with a third fixing lug (30) through a screw.

2. The low noise amorphous alloy core transformer of claim 1, wherein: one ends of the first fixing piece (22) and the second fixing piece (23) far away from the support frame (9) are respectively provided with a fourth groove and a fifth groove, a third fixing piece (24) is inserted in the fourth groove,

and one end of the fixing piece III (24) far away from the groove IV is inserted into the groove V.

3. The low noise amorphous alloy core transformer of claim 2, wherein: and a third threaded hole (25) is formed between the top and the bottom of the third fixing piece (24).

4. The low noise amorphous alloy iron core transformer according to claim 3, wherein: the number of the threaded holes III (25) is ten, and the threaded holes III (25) are symmetrically and uniformly distributed along the center line of the fixing piece III (24) in the left-right direction.

5. The low noise amorphous alloy core transformer of claim 1, wherein: and a threaded hole IV (26) and a threaded hole V (27) are respectively formed between the top and the bottom of the first fixing piece (22) and the second fixing piece (23).

6. The low noise amorphous alloy core transformer of claim 5, wherein: and the threaded hole IV (26) and the threaded hole III (25) positioned on the left side are simultaneously in threaded connection with a threaded rod III (28), and the threaded hole V (27) and the threaded hole III (25) positioned on the right side are simultaneously in threaded connection with a threaded rod IV (29).

7. The low noise amorphous alloy core transformer of claim 1, wherein: the first threaded rod (17) and the second threaded rod (16) are identical, the outer walls of the rod pieces at the top end and the lower end are threaded surfaces, and the rod piece in the middle is a smooth surface.

8. The low noise amorphous alloy core transformer of claim 2, wherein: the third fixing piece (24) is respectively matched with the fourth groove on the first fixing piece (22) and the fifth groove on the second fixing piece (23).