CN221103189U

CN221103189U - Frequency converter output filtering and buck-boost multifunctional integrated structure

Info

Publication number: CN221103189U
Application number: CN202322772113.0U
Authority: CN
Inventors: 荆惠
Original assignee: Jiangsu Jianli Electronic Technology Co ltd
Current assignee: Jiangsu Jianli Electronic Technology Co ltd
Priority date: 2023-10-17
Filing date: 2023-10-17
Publication date: 2024-06-07
Anticipated expiration: 2033-10-17

Abstract

The utility model discloses a multifunctional integrated structure for output filtering and step-up and step-down of a frequency converter, which comprises a transformer, a sine filter arranged at the top of the transformer, an electronic table fixed at the top of the sine filter and a capacitor fixed at one side of the sine filter, wherein a transformer iron core in the transformer and a sine filter iron core in the sine filter form an iron core conjugate, and pull plates are arranged on the outer walls of two sides of the transformer iron core and the sine filter iron core. The sine wave filter and the transformer core are combined in a conjugated mode, the weight is reduced, the volume reduction is more suitable for being used in a position which is narrow and compact and has a requirement on the weight of a product, the structure is convenient to wire, the core is conjugated, so that the core loss is reduced, the heating value is reduced, the electric energy consumption is reduced, the environment is protected, the heat dissipation of the product is structurally facilitated, and the service life of the product is prolonged.

Description

Frequency converter output filtering and buck-boost multifunctional integrated structure

Technical Field

The utility model relates to the technical field of electric power, in particular to a multifunctional integrated structure for output filtering, voltage rising and reducing of a frequency converter.

Background

The current sine wave filter and transformer products in the market are all of split structures (see fig. 10), and the split structures have the following defects:

1. When the split type assembly is carried out, the wiring is complex and tedious, time and labor are wasted, and the mass production efficiency is low;

2. the split type structure product has more materials, large weight and volume and higher material cost;

3. The coil distance on the product structure is close, and the operation generates heat and produces conduction radiation, leads to the product overheated easily, and high frequency eddy current loss is big, and user's electric energy consumption increases.

Disclosure of utility model

The utility model aims at reducing cost and volume by reducing the consumption of iron core materials through conjugation of two unit iron cores of a sine wave filter and a transformer, and provides a multifunctional integrated structure for output filtering, lifting and reducing voltage of a frequency converter.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a multi-functional integral structure of converter output filtering and step-up and step-down, includes the transformer, sets up in the sinusoidal wave filter at transformer top, is fixed in the electronic stand at sinusoidal wave filter top and is fixed in the electric capacity of sinusoidal wave filter one side, the transformer core in the transformer constitutes the iron core conjugation with sinusoidal wave filter core in the sinusoidal wave filter, transformer core, sinusoidal wave filter core both sides outer wall all are equipped with the arm-tie.

In the scheme, the product uses two layers of structural designs, the lower layer is a transformer, the upper layer is a sine wave filter, the sine wave filter and the two unit iron cores of the transformer are conjugated, the consumption of iron core materials is reduced, the volume is reduced, the terminal block is arranged above the whole machine, and the production wiring and the user wiring are more convenient.

Preferably, the two pull plates are fixedly connected with the transformer core, the core conjugate and the sine filter core respectively.

In the scheme, the pull plate plays a role in fixing and supporting the transformer iron core, the iron core conjugate and the sine filter iron core, and is more beneficial to heat dissipation of products structurally, and the service life of the products is prolonged.

Preferably, the bottoms of the two pull plates are respectively fixed with a metal plate bracket, and the metal plate brackets are provided with bolt fixing holes.

In the scheme, the sheet metal support is provided with the bolt fixing holes, so that the sheet metal support is convenient to install and fix a product.

The beneficial effects of the utility model are as follows:

1. The sine wave filter and the transformer iron core are combined in a conjugate way, so that the weight is reduced, the volume is reduced, the sine wave filter is more suitable for being used in a narrow and compact position with requirements on the weight of products, and the structure is convenient to wire;

2. The sine wave filter and the transformer core are conjugated so as to reduce core loss, reduce heat productivity, reduce electric energy consumption, be more environment-friendly, structurally contribute to heat dissipation of products and prolong service life of the products.

Drawings

Fig. 1 is a schematic diagram of the front structure of an iron core part of a multifunctional integrated structure of frequency converter output filtering and step-up and step-down;

fig. 2 is a schematic diagram of a side structure of an iron core part of a multifunctional integrated structure of output filtering and voltage boosting and reducing of a frequency converter according to the present utility model;

fig. 3 is a schematic diagram of the front structure of an iron core part of a multifunctional integrated structure of output filtering and voltage boosting and reducing of a frequency converter according to the present utility model;

Fig. 4 is a schematic side structural view of an iron core part of a multifunctional integrated structure for output filtering and voltage boosting and reducing of a frequency converter according to the present utility model;

Fig. 5 is a schematic diagram of a front structure of a frame body with a multifunctional integrated structure of output filtering, voltage boosting and reducing of a frequency converter;

Fig. 6 is a schematic diagram of a side structure of a frame body with a multifunctional integrated structure of frequency converter output filtering and step-up and step-down;

Fig. 7 is an electrical schematic diagram a of a multifunctional integrated structure of output filtering and step-up and step-down of a frequency converter according to the present utility model;

Fig. 8 is an electrical schematic diagram B of a multifunctional integrated structure of output filtering and step-up and step-down of a frequency converter according to the present utility model;

Fig. 9 is an electrical schematic diagram C of a multifunctional integrated structure of output filtering and step-up and step-down of a frequency converter according to the present utility model;

fig. 10 is a schematic diagram showing the comparison of the front and side double view angles of the prior sine wave filter and transformer product structure.

In the figure: 1 transformer, 11 transformer core, 2 sine wave filter, 21 sine wave filter core, 3 electric capacity, 4 electronic bench, 5 iron core conjugate, 6 arm-tie, 7 panel beating supports.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Embodiment 1, referring to fig. 1-9, a multifunctional integrated structure of output filtering and step-up and step-down of a frequency converter, which is composed of a transformer 1, a sine filter 2, a capacitor 3 and an electronic table 4, is different from the prior art in that:

The sine filter 2 is arranged at the top of the transformer 1, the capacitor 3 is fixed at one side of the sine filter 2 and the transformer 1, the electronic platform 4 is fixed at the top of the sine filter 2, the transformer 1 is arranged at the lower layer by using a two-layer structure design, the sine filter 2 is arranged at the upper layer, the iron loss is reduced, the terminal platform 4 is arranged above the whole machine, and the production wiring and the user wiring are more convenient;

Referring to fig. 3 and 4, the transformer core 11 in the transformer 1 and the sine filter core 21 in the sine filter 2 constitute the core conjugate 5.

The sine wave filter 2 and the transformer 1 have the advantages that the two-unit iron core conjugate reduces the consumption of iron core materials, so that the cost is reduced, the volume is reduced, the iron core conjugate reduces the iron core loss, the heating value is reduced, the electric energy consumption is reduced, and the environment is protected.

Referring to fig. 5 and 6, the outer walls of two sides of the transformer core 11 and the sine filter core 21 are fixedly connected with two pull plates 6, the bottoms of the two pull plates 6 are respectively fixed with a metal plate bracket 7, the metal plate brackets 7 are provided with bolt fixing holes, the pull plates play a role in fixing and supporting the transformer core 11, the core conjugate 5 and the sine filter core 21, and the structure is more conducive to heat dissipation of products, the service life of the products is prolonged, and the products are convenient to install and fix through the bolt fixing holes.

Referring to fig. 7, 8 and 9, the three diagrams are schematic circuit diagrams of the transformer 1, the sine filter 2 and the capacitor 3.

Working principle: the transformer core 11 and the sine filter core 21 in the sine filter 2 form a core conjugate 5, so that the core loss is reduced, and the terminal block 4 is arranged above the whole machine, so that the production wiring and the user wiring are facilitated.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a multi-functional integral structure of converter output filtering and step-up and step-down, includes transformer (1), sinusoidal wave filter (2) that set up in transformer (1) top, electronic table (4) that are fixed in sinusoidal wave filter (2) top and capacitor (3) that are fixed in sinusoidal wave filter (2) one side, a serial communication port, transformer core (11) in transformer (1) constitute iron core conjugate (5) with sinusoidal wave filter core (21) in sinusoidal wave filter (2), transformer core (11), sinusoidal wave filter core (21) both sides outer wall all are equipped with arm-tie (6).

2. The multifunctional integrated structure for output filtering and voltage boosting and reducing of the frequency converter according to claim 1, wherein two pull plates (6) are fixedly connected with a transformer core (11), a core conjugate (5) and a sine filter core (21) respectively.

3. The multifunctional integrated structure for output filtering and voltage boosting and reducing of the frequency converter according to claim 1, wherein the bottoms of the two pull plates (6) are respectively fixed with a metal plate bracket (7), and bolt fixing holes are formed in the metal plate brackets (7).