CN218277193U

CN218277193U - Double-pipe parallel winding structure for improving heating performance

Info

Publication number: CN218277193U
Application number: CN202222163064.6U
Authority: CN
Inventors: 王芳生; 张兆雷; 杨森
Original assignee: Shandong Rongtai Induction Technology Co ltd
Current assignee: Shandong Rongtai Induction Technology Co ltd
Priority date: 2022-08-17
Filing date: 2022-08-17
Publication date: 2023-01-10
Anticipated expiration: 2032-08-17

Abstract

The utility model discloses a double-barrelled duplex winding structure of heating performance is improved, it belongs to the electromagnetic induction field, including pipe I and pipe II, pipe I and pipe II are wound into the coil, water is led to in pipe I and the pipe II, the end of the inboard pipe of coil is connected electrically, the inboard pipe of coil end is once more wound 180 degrees, the inboard tubular outside of coil end that winds many out is around there being first triangle copper plate, the axial lateral surface of first triangle copper plate is in same radial plane; coil tip outside pipe end portion axial outside and around there being the second triangle copper, second triangle copper axial lateral surface with first triangle copper axial lateral surface is at same radial surface. The utility model discloses an above-mentioned structure can make the blank temperature unanimous, reduces leakage magnetic flux and radiation simultaneously.

Description

Double-pipe parallel winding structure for improving heating performance

Technical Field

The utility model relates to an electromagnetic induction field, concretely relates to improve double-barrelled duplex winding structure of heating performance.

Background

In the induction and heat transmission industry, inductors are main working elements, inductors with different lengths are required to be designed for different equipment to complete equipment functions, especially under the conditions of high power and high frequency, small inductance is required, and besides the requirement is met by adopting a parallel connection or a parallel-serial connection mode, the requirements of coil inductance, effective surface and turn pitch are met by adopting a double-tube parallel winding mode in many cases, as shown in fig. 2. (the copper pipes for the coil are of specified specifications, exceed the specification range and need to use two copper pipes of specified specifications together.)

As can be seen from figure 2, the two ends of the double-pipe parallel winding are both provided with a space without coils, so that electromagnetic induction is lacked, eddy current is lacked, the corresponding blank in the area is lacked in heating, the blank is further unevenly heated, local blackening or large temperature difference on the surface of the blank is caused, the forged piece is unqualified, a die is easily damaged, the production efficiency is reduced, and the maintenance and production cost is increased.

To the problem that above-mentioned prior art exists, the utility model discloses a double-barrelled duplex winding structure of heating performance has been improved to the manufacturing, overcomes above-mentioned defect.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a pair of improve double-barrelled duplex winding structure of heating performance can make the blank temperature unanimous, reduces leakage magnetic flux and radiation simultaneously.

In order to realize the purpose, the utility model discloses a technical scheme as follows: a double-pipe parallel winding structure for improving heating performance comprises a pipe I and a pipe II, wherein the pipe I and the pipe II are wound into a coil, water flows through the pipe I and the pipe II, and the end part of the pipe on the inner side of the coil is connected with electricity;

the inner side tube of the coil end is wound by 180 degrees again, the inner side tube of the coil end which is wound by a plurality of times is axially wound on the outer side and is wound by a first triangular copper plate, and the axial outer side faces of the first triangular copper plates are on the same radial plane;

a second triangular copper plate is wound on the axial outer side of the end part of the outer side pipe at the end part of the coil, and the axial outer side surface of the second triangular copper plate and the axial outer side surface of the first triangular copper plate are on the same radial surface;

preferably, the thickness of the first triangular copper plate and the second triangular copper plate is smaller than the height of the pipe I and the pipe II.

Preferably, the radial inner side surfaces of the first triangular copper plate and the second triangular copper plate are overlapped with the radial inner side surfaces of the pipe I and the pipe II.

Preferably, the first triangular copper plate is in contact with the end of the tube outside the coil.

Preferably, the end of the second triangular copper plate near the end of the coil end inner tube is not in contact with the end of the coil end inner tube.

Preferably, pipe I and pipe II all establish to the copper pipe.

Preferably, the pipe I and the pipe II are both copper square pipes.

Preferably, water is filled in the pipe I and the pipe II.

Preferably, the radial outer sides of the pipe I and the pipe II are provided with a plurality of copper water nozzles which are communicated with the insides of the pipe I and the pipe II.

Preferably, a plurality of axial insulating rods are arranged on the outer sides of the pipe I and the pipe II which are wound into a coil along the circumferential direction.

The utility model discloses an useful part lies in:

1. the utility model discloses double-barrelled duplex winding both ends have reduced the magnetic leakage flux through establishing to the structure at same radial face respectively, have reduced the radiation, have improved heating efficiency, have reduced the risk of generating heat of magnetic radiation to the frame on every side, make the temperature of blank more unanimous, and the qualification rate obtains great improvement.

2. The utility model discloses utilize first triangle copper and wind in the inboard hollow shaft of coil end outside, can also reduce the current density that coil end inboard pipe was many around half a circle simultaneously, first triangle copper has increased the area of flowing through of electric current to reduced generating heat of coil end inboard pipe, first triangle copper and the contact of coil end outside pipe tip can transmit the electric current to coil end outside pipe on.

Drawings

FIG. 1 is a schematic view of a double tube parallel winding structure for improving heating performance;

fig. 2 is a schematic view of a conventional double pipe parallel winding structure.

In the figure: 1-pipe I, 2-pipe II, 3-first triangular copper plate, 4-second triangular copper plate, 5-axial insulating rod and 6-copper water nozzle.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

As shown in figure 1, a double-barrelled duplex winding structure of heating performance improves, including pipe I1 and pipe II 2, pipe I1 and pipe II 2 are all established to the copper pipe, and preferably copper side pipe, pipe I1 and pipe II 2 are and wound into the coil, all lead to water in pipe I1 and the pipe II 2, the end of coil inboard pipe is even electrified, pipe I1 and pipe II 2 are equipped with a plurality of axial insulating rods 5 along circumference with the outside of wound into the coil, pipe I1 and the radial outside of pipe II 2 are equipped with a plurality of copper water injection nozzles 6 and the inside intercommunication of pipe I1 and pipe II 2.

Be different from current double-barrelled duplex winding coil, this scheme coil end inboard pipe end is once more around 180 (one of them end pipe I1 in the inboard in coil both ends, the other end then is the pipe II 2 in the inboard), and the inboard tubular axle outside of coil end that winds out more has around first triangle copper 3, 3 axial lateral surfaces of first triangle copper are at same radial plane, and coil end outside pipe end axial outside has around second triangle copper 4, 4 axial lateral surfaces of second triangle copper are at same radial plane with 3 axial lateral surfaces of first triangle copper. The thickness of first triangle copper 3 and second triangle copper 4 is less than the height of pipe I1 and pipe II 2, and the radial medial surface of first triangle copper 3 and second triangle copper 4 coincides with the radial medial surface of pipe I1 and pipe II 2

The utility model discloses double-barrelled duplex winding both ends are respectively through establishing to the structure at same radial face, magnetic leakage flux has been reduced, the radiation has been reduced, heating efficiency has been improved, the risk of the generating heat of magnetic radiation to surrounding frame has been reduced, the temperature of messenger's blank is more unanimous, the qualification rate obtains great improvement, and utilize first triangle copper 3 to wind in the inboard hollow shaft of coil tip outside in a parallel winding, can also reduce the current density that coil tip inboard pipe was many around the half-turn simultaneously, first triangle copper 3 has increased the flow area of electric current, thereby the generating heat of coil tip inboard pipe has been reduced, first triangle copper 3 and coil tip outside pipe end contact, can be on the coil tip outside pipe is passed the electric current, and be close to 4 tip of second triangle copper and the inboard pipe end contactless of coil tip in the inboard pipe tip of coil tip.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes, modifications and/or alterations to the present invention may be made by those skilled in the art after reading the technical disclosure of the present invention, and all such equivalents may fall within the scope of the present invention as defined by the appended claims.

Claims

1. A double-pipe parallel winding structure for improving heating performance is characterized by comprising a pipe I and a pipe II, wherein the pipe I and the pipe II are wound into a coil, water flows through the pipe I and the pipe II, and the end part of the pipe on the inner side of the coil is connected with electricity;

coil tip outside pipe end portion axial outside and around there being the second triangle copper, second triangle copper axial lateral surface with first triangle copper axial lateral surface is at same radial surface.

2. The double pipe parallel winding structure for improving heating performance of claim 1, wherein the first and second triangular copper plates have a thickness smaller than the height of the first and second pipes.

3. The double pipe parallel winding structure for improving heating performance of claim 1, wherein the radial inner sides of the first and second triangular copper plates are radially overlapped with the inner sides of the first and second pipes.

4. The double pipe parallel winding structure for improving heating performance of claim 1, wherein the first triangular copper plate is in contact with the end of the pipe outside the coil.

5. The double pipe parallel winding structure for improving heating performance of claim 1, wherein the end of the second triangular copper plate near the end of the coil end inside pipe is not in contact with the end of the coil end inside pipe.

6. The double pipe parallel winding structure for improving heating performance as claimed in claim 1, wherein the pipes i and ii are each made of a copper pipe.

7. The double-tube parallel winding structure for improving the heating performance of claim 1, wherein the tube I and the tube II are both copper square tubes.

8. The double-tube parallel winding structure for improving the heating performance of claim 1, wherein the tubes I and II are both filled with water.

9. The double-pipe parallel-winding structure for improving the heating performance of claim 8, wherein a plurality of copper water nozzles are arranged on the radial outer sides of the pipe I and the pipe II and are communicated with the inner parts of the pipe I and the pipe II.

10. The double-pipe parallel winding structure for improving the heating performance of the heat exchanger as claimed in claim 1, wherein the outer sides of the pipe I and the pipe II which are wound into a coil are provided with a plurality of axial insulating rods along the circumferential direction.