CN210136776U - LR composite reactor - Google Patents
LR composite reactor Download PDFInfo
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- CN210136776U CN210136776U CN201921301903.8U CN201921301903U CN210136776U CN 210136776 U CN210136776 U CN 210136776U CN 201921301903 U CN201921301903 U CN 201921301903U CN 210136776 U CN210136776 U CN 210136776U
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Abstract
The utility model relates to a power equipment technical field specifically is a LR combined type reactor, including strutting arrangement, induction coil and noninductive coil are installed to the strutting arrangement inboard, and noninductive coil centers on around the periphery that has induction coil, and noninductive coil's internal surface is connected with and separates the magnetic layer, separates the magnetic layer and can set up to one deck or multilayer, and each layer stack sets up during multilayer structure. The inductive coil and the non-inductive coil are respectively connected with the supporting device, and the inductive coil and the non-inductive coil are not connected with each other. The utility model discloses set up between having induction coil and noninductive coil and separate magnetic layer and insulating layer, prevent that noninductive coil's conductor from receiving the influence of the produced electromagnetic force of alternating magnetic field, guarantee that its operation is reliable.
Description
Technical Field
The utility model relates to a power equipment technical field specifically is a LR combined type reactor.
Background
Reactors, also called inductors, generate a magnetic field in a certain spatial area occupied by a conductor when it is energized. At present, the domestic resistor is generally single in structure and mainly divided into a woven structure and a sheet structure, and the resistor and the reactor are installed in an integrated mode, so that the occupied area is large, and the installation workload is large. In addition, due to the structural limitation of the resistor, the resistor has poor fault current resistance, wind resistance and shock resistance, and is difficult to operate for a long time under the conditions of ice adhesion and heavy pollution.
In order to solve the problems, the invention patent of China with the publication number of CN106710833B and the name of 'resistance type reactor and manufacturing method thereof' discloses a resistance type reactor which comprises a conductive arm star frame, wherein a sensing coil and a non-sensing coil surrounding the sensing coil are arranged in the conductive arm star frame, the resistor is high in insulation strength, strong in anti-interference and short-circuit resistance, capable of stably running under the conditions of rain and ice, and strong in wind resistance and shock resistance.
However, the structure is not provided with the magnetism isolating layer, and the conductor of the non-inductive coil is influenced by the electromagnetic force generated by the alternating magnetic field, so that the non-inductive coil is unreliable in operation, easy to be stressed and vibrated and easy to break; in addition, electromagnetic stress damage easily occurs in the above structure, because the non-inductive coil and the inductive coil are wound in opposite directions, opposite electromotive forces are generated, and if the two electromotive forces are not equal, extra current is generated, so that additional loss is generated, and the winding is heated and even burnt. If the above problems are to be avoided, the distance between the non-inductive coil and the inductive coil needs to be long, and the overall volume becomes large.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide an LR combined type reactor.
In order to solve the technical problem, the utility model provides a following technical scheme:
an LR composite reactor comprises a supporting device, wherein an inductive coil and a non-inductive coil are arranged on the inner side of the supporting device, the non-inductive coil surrounds the periphery of the inductive coil, the inner surface of the non-inductive coil is connected with a magnetic isolating layer, the magnetic isolating layer can be arranged into one layer or a plurality of layers, and the layers are arranged in a stacked mode in the multi-layer structure.
The inductive coil and the non-inductive coil are respectively connected with the supporting device, the inductive coil and the non-inductive coil are not connected with each other, and the inductive coil and the non-inductive coil can be respectively provided with a plurality of layers of coils which are respectively installed and supported by the supporting device.
The inner surface of the non-inductive coil is connected with an insulating layer, the insulating layer is arranged between the inner surface of the non-inductive coil and the magnetic isolation layer, and the insulating layer can be arranged in one layer or multiple layers.
Preferably, the supporting device is a conductive arm star frame or a supporting plate structure.
The magnetic isolation layer is made of a material capable of isolating magnetic lines of force.
The magnetic isolation layer is made of one of steel, aluminum or copper, and when the magnetic isolation layer is made of one of the materials, the magnetic isolation layer is made into an annular cover structure.
The magnetic isolation layer is made of permalloy and is sprayed on the inner surface of the non-inductive coil or the insulating layer.
The insulating layer is made of insulating materials.
The insulating layer is made of one of glass fiber reinforced plastics and ceramics, and when the insulating layer is made of one of the glass fiber reinforced plastics and the ceramics, the insulating layer is made into an annular cover structure and is arranged on the inner surface of the non-inductive coil.
The insulating layer is formed by spraying rubber, insulating paint or insulating glue on the inner surface of the non-inductive coil.
And the bottom of the conductive arm star frame is sequentially provided with an aluminum support leg, a magnetism isolating support, an insulator and an iron anchor along the direction from top to bottom.
The utility model discloses the beneficial effect who reaches is:
the utility model arranges the magnetic isolation layer between the inductive coil and the non-inductive coil, thereby preventing the conductor of the non-inductive coil from being influenced by the electromagnetic force generated by the alternating magnetic field and ensuring the reliable operation;
the prior art structure generates opposite electromotive forces due to the opposite winding directions of the non-inductive coil and the inductive coil, and if the two electromotive forces are not equal, extra current is generated, so that additional loss is generated, and the winding is heated and even burnt. The utility model discloses when avoiding electromagnetic stress damage, avoid holistic volume too big.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of fig. 1.
In the figure: 1. a conductive arm spider; 2. an inductive coil; 3. a non-inductive coil; 4. an insulating layer; 5. a magnetism isolating layer; 6. an aluminum leg; 7. a magnetism isolating bracket; 8. an insulator; 9. iron anchor.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 2, the LR composite reactor includes a conductive arm spider 1, an induction coil 2 and a non-induction coil 3 are mounted inside the conductive arm spider 1, the non-induction coil 3 surrounds the periphery of the induction coil 2, and an insulation layer 4 and a magnetism isolating layer 5 are sequentially connected to the inner surface of the non-induction coil 3. The inductive coil 2 and the non-inductive coil 3 are respectively connected with the conductive arm star frame 1, and the inductive coil and the non-inductive coil are not connected with each other.
The magnetism isolating layer 5 is made of materials capable of isolating magnetic lines of force, specifically steel, and the magnetism isolating layer 5 is an annular cover and is arranged on the inner surface of the insulating layer 4.
The bottom of the conductive arm star frame 1 is sequentially provided with an aluminum support leg 6, a magnetism isolating support 7, an insulator 8 and an iron anchor 9 from top to bottom.
Example two
This embodiment is substantially the same as the first embodiment except that the inner surface of the non-induction coil 3 is directly connected with the multilayer magnetism isolating layer 5.
Claims (10)
1. The LR composite reactor comprises a supporting device, wherein a sensing coil (2) and a non-sensing coil (3) are arranged on the inner side of the supporting device, and the non-sensing coil (3) surrounds the periphery of the sensing coil (2), and is characterized in that one or more magnetic isolating layers (5) are connected to the inner surface of the non-sensing coil (3), and the sensing coil (2) and the non-sensing coil (3) are respectively connected with the supporting device.
2. The LR composite reactor according to claim 1, wherein an insulating layer (4) is connected to an inner surface of the noninductive coil (3), and the insulating layer (4) is provided between the inner surface of the noninductive coil (3) and the magnetism isolating layer (5).
3. The LR hybrid reactor according to claim 1, characterized in that the support means is a conducting spider (1) or a support plate.
4. The LR composite reactor according to claim 1 or 2, wherein the magnetic shielding layer (5) is made of a material capable of shielding magnetic lines.
5. The LR composite reactor according to claim 4, characterized in that the material of the magnetism isolating layer (5) is selected from one of steel, aluminum or copper.
6. The LR composite reactor according to claim 4, characterized in that permalloy is chosen for the magnetically separating layer (5).
7. The LR hybrid reactor according to claim 2, wherein the insulating layer (4) is made of an insulating material.
8. The LR composite reactor according to claim 7, characterized in that the insulating layer (4) is made of one of glass fiber reinforced plastic and ceramic.
9. The LR composite reactor according to claim 7, characterized in that the insulation layer (4) is sprayed on the inner surface of the non-inductive coil (3) by using rubber, insulating paint or insulating glue.
10. The LR composite reactor as claimed in claim 3, characterized in that the bottom of the conductive arm star frame (1) is sequentially provided with an aluminum support leg (6), a magnetism isolating bracket (7), an insulator (8) and an iron anchor leg (9) from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301903.8U CN210136776U (en) | 2019-08-12 | 2019-08-12 | LR composite reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921301903.8U CN210136776U (en) | 2019-08-12 | 2019-08-12 | LR composite reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210136776U true CN210136776U (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921301903.8U Active CN210136776U (en) | 2019-08-12 | 2019-08-12 | LR composite reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210136776U (en) |
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2019
- 2019-08-12 CN CN201921301903.8U patent/CN210136776U/en active Active
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