CN217135357U

CN217135357U - Frequency converter core and frequency converter

Info

Publication number: CN217135357U
Application number: CN202220737444.3U
Authority: CN
Inventors: 王勇; 欧康喜; 刘海威; 潘胜和
Original assignee: Shenzhen Invt Electric Co Ltd
Current assignee: Shenzhen Invt Electric Co Ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-05
Anticipated expiration: 2032-03-31

Abstract

The utility model discloses a frequency converter core, which comprises a mounting plate, a capacitor component, a main power plate and a radiator; the mounting plate comprises a first area and a second area, the capacitor assembly is arranged in the first area, the capacitor assembly comprises a capacitor plate and a bus capacitor, the capacitor plate is arranged on one side of the mounting plate, a yielding hole matched with the bus capacitor is formed in the mounting plate, and the bus capacitor penetrates through the yielding hole and extends into the other side of the mounting plate; the main power plate is arranged on one side of the capacitor plate, which is far away from the mounting plate, so that the capacitor plate is positioned between the mounting plate and the main power plate; the radiator is arranged on one side, deviating from the capacitor plate, of the mounting plate and is located in the second area. Through with converter core rational in infrastructure overall arrangement, saved the space, realized the modularization installation, reduced the maintenance cost, can satisfy a plurality of application occasions.

Description

Frequency converter core and frequency converter

Technical Field

The utility model relates to a converter field especially relates to a converter core and converter.

Background

The existing general frequency converter structure is that parts are spliced in a frequency converter shell, and the arrangement distance between components is long, so that the size is large; meanwhile, the devices are various in installation mode, difficult to install and disassemble and high in maintenance cost; and the volume and the weight of the shell of the frequency converter are limited, and the universal frequency converter cannot be used in occasions with special requirements on the volume and the weight of the frequency converter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect among the above-mentioned prior art, provide a neotype converter core and including the converter of this kind of converter core, this kind of converter core has integrateed parts such as rectification, filtering, contravariant through reasonable overall arrangement, has saved the space, has realized the modularization installation, has reduced the maintenance cost, can satisfy a plurality of application occasions.

To achieve the object, a first aspect of the present invention provides a frequency converter core, which is characterized by comprising a mounting plate, a capacitor assembly, a main power plate and a radiator; the mounting plate comprises a first area and a second area, the capacitor assembly is arranged in the first area, the capacitor assembly comprises a capacitor plate and a bus capacitor, the capacitor plate is arranged on one side of the mounting plate, a yielding hole matched with the bus capacitor is formed in the mounting plate, and the bus capacitor penetrates through the yielding hole and extends into the other side of the mounting plate; the main power plate is arranged on one side, away from the mounting plate, of the capacitor plate, so that the capacitor plate is located between the mounting plate and the main power plate; the radiator is arranged on one side of the mounting plate, which deviates from the capacitor plate, and is positioned in the second area.

Further, a power panel is installed on the main power panel, the power panel is fixed to one side, away from the mounting panel, of the main power panel, a rectifying module and an inverting module are arranged between the mounting panel and the main power panel, the rectifying module and the inverting module are located in the second area, and the radiator is installed at the position, corresponding to the rectifying module and the inverting module, of the mounting panel.

Further, be equipped with first through-hole on the electric capacity board, be equipped with first locating column on the mounting panel, the electric capacity board passes through first through-hole with first locating column is fixed in the mounting panel.

Furthermore, the capacitor plate is provided with conductive terminals, and the capacitor plate is electrically connected with the main power plate through the conductive terminals.

Furthermore, a second through hole is formed in the main power board, a second positioning column is arranged on the mounting plate, the height of the second positioning column is larger than that of the first positioning column, and the main power board is fixed on the mounting plate through the second through hole and the second positioning column.

Furthermore, an input module, an output module, a control board and a drive board are arranged on one side of the main power board, which is far away from the mounting board.

Furthermore, an input/output terminal electrically connected with the input module and the output module is arranged on one side of the main power board, which is far away from the mounting board.

Further, the input and output terminals include one input terminal, three alternating current output terminals and three direct current output terminals.

Furthermore, an expansion card, a communication interface and a burning interface are arranged on the main power board.

A second aspect of the present invention provides a frequency converter, which includes a frequency converter casing; and according to the utility model discloses a converter core of first aspect, the converter core is arranged in the converter casing.

The utility model has the advantages that: through the reasonable layout of mounting panel, capacitor assembly, main power board and radiator, form the converter core, realize the modularization of converter inner structure, be convenient for install and maintain, and the device overall arrangement is compacter, is favorable to reducing the volume of converter, and the application occasion is more extensive simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is an exploded schematic view of a frequency converter core in an embodiment of the present invention;

fig. 2 is a schematic view of a combined structure of a frequency converter movement in an embodiment of the present invention;

fig. 3 is a schematic structural view of the frequency converter core mounted on the frequency converter box in the embodiment of the present invention;

fig. 4 is a schematic structural view of the embodiment of the present invention, in which the frequency converter core is mounted on the frequency converter cabinet;

in the figure:

100. a frequency converter core; 1. mounting a plate; 11. a hole of abdication; 12. a first positioning post; 13. a second positioning column; 2. a capacitive component; 21. a capacitive plate; 22. a bus capacitor; 23. a conductive terminal; 24. a first through hole; 3. a main power board; 31. an input/output terminal; 311. an input terminal; 312. a DC output terminal; 313. an AC output terminal; 32. a second through hole; 33. an expansion card; 34. a communication interface; 35. a burning interface; 4. a heat sink; 5. a power panel; 6. a rectification module; 7. an inversion module; 8. a frequency converter box body; 81. a first input-output port; 9. a frequency converter cabinet body; 91. a second input-output port.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship 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 device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second", "third", "fourth", "fifth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

As shown in fig. 1-2, an embodiment of the present invention provides a frequency converter core 100, which includes a mounting plate 1, a capacitor assembly 2, a main power plate 3, and a heat sink 4.

Wherein the mounting plate 1 comprises a first area and a second area. Specifically, the first region is used for setting the capacitor assembly 2, the first region includes the space on the front side and the back side of the mounting plate 1 corresponding to the capacitor assembly 2, the second region is used for setting the heat sink 4, and the second region includes the space on the front side and the back side of the mounting plate 1 corresponding to the heat sink 4.

The first region of mounting panel 1 is located to electric capacity subassembly 2, and electric capacity subassembly 2 includes electric capacity board 21 and bus-bar capacitance 22, and 1 one side of mounting panel is located to electric capacity board 21, sets up the hole of stepping down 11 that adapts to in bus-bar capacitance 22 on the mounting panel 1, and bus-bar capacitance 22 runs through the opposite side that stretches into mounting panel 1 in the hole of stepping down 11. Specifically, bus capacitor 22 is the column and has certain height, and bus capacitor 22 runs through in the opposite side that abdicating hole 11 and stretch into mounting panel 1, can effectively reduce the inner space that bus capacitor 22 occupied, further reduces the occupation space of converter core 100.

The main power plate 3 is arranged on the side of the capacitor plate 21 facing away from the mounting plate 1, so that the capacitor plate 21 is located between the mounting plate 1 and the main power plate 3. Specifically, the capacitor plate 21 may be directly fixed to the mounting plate 1, or may be directly fixed to the main power plate 3, and only the capacitor plate 21 needs to be located between the mounting plate 1 and the main power plate 3, which is not described herein in detail.

The heat sink 4 is mounted on a side of the mounting plate 1 facing away from the capacitor plate 21 and is located in a second area of the mounting plate 1. Specifically, the mounting plate 1 may serve as a base for fixedly mounting the main power board 3, the heat sink 4, and other components.

The utility model discloses an in the embodiment, when converter core 100 assembles, only need locate the first region of mounting panel 1 with electric capacity subassembly 2, make electric capacity board 21 install in mounting panel 1 or main power board 3, bus-bar electric capacity 22 runs through the hole of stepping down 11 on mounting panel 1, main power board 3 is located one side that electric capacity board 21 deviates from mounting panel 1 so that electric capacity board 21 is located between mounting panel 1 and the main power board 3, radiator 4 installs in one side that mounting panel 1 deviates from electric capacity board 21 and is located the second region of mounting panel 1, can realize the modularization equipment of converter inner structure. Therefore, when the frequency converter core 100 is installed in the frequency converter shell, the frequency converter core 100 can be integrally installed in the frequency converter shell only by fixedly installing the installation plate 1 in the frequency converter shell, and compared with the case that the installation plate 1, the capacitor assembly 2, the main power plate 3, the radiator 4 and other components are respectively installed in the frequency converter shell, the installation process is effectively simplified, meanwhile, the layout of the components is more compact, and the size is reduced; the frequency converter core 100 can be integrally installed and disassembled, so that the maintenance is convenient; and aiming at the frequency converter movement 100, frequency converter shells with different sizes and weights can be designed in a matching way so as to adapt to different application occasions.

Further, please refer to fig. 1, as the utility model provides a another embodiment of converter core 100, install power strip 5 on the main power board 3, power strip 5 is fixed in one side that main power board 3 deviates from mounting panel 1, is equipped with rectifier module 6 and contravariant module 7 between mounting panel 1 and the main power board 3, and rectifier module 6 and contravariant module 7 are located the second region, and radiator 4 installs in the position that corresponds to rectifier module 6 and contravariant module 7 of mounting panel 1. The power panel 5 is fixed in the one side that deviates from mounting panel 1 of main power board 3, and rectifier module 6 and contravariant module 7 are located between mounting panel 1 and the main power board 3, for the tradition with power panel 5, rectifier module 6 and contravariant module 7 be fixed in the integrated mode of main power board 3 with one side, can reduce main power board 3 area. And the rectifier module 6, the inverter module 7 and the radiator 4 are positioned at two opposite sides of the mounting plate 1, so that the radiator 4 can directly radiate the rectifier module 6 and the inverter module 7, and the radiating efficiency is improved.

The rectifier module 6 and the inverter module 7 may be fixed to the mounting plate 1 by screws or the like, or may be fixed to the main power board 3. The heat sink 4 may be a whole or a plurality of heat sink modules, which are not described herein in detail.

Further, please refer to fig. 1, as another specific implementation manner of the frequency converter core 100 provided by the present invention, a first through hole 24 is provided on the capacitor plate 21, a first positioning column 12 is provided on the mounting plate 1, and the capacitor plate 21 is fixed on the mounting plate 1 through the first through hole 24 and the first positioning column 12.

Further, please refer to fig. 1, as another embodiment of the present invention for the frequency converter core 100, the capacitor plate 21 is provided with the conductive terminal 23, the capacitor plate 21 is electrically connected to the main power plate 3 through the conductive terminal 23, and compared with the cable connection, the circuit connection is simpler and more stable, so as to facilitate the integral installation of the frequency converter core 100.

Further, please refer to fig. 1, as another embodiment of the present invention for a frequency converter core 100, a second through hole 32 is disposed on the main power board 3, a second positioning column 13 is disposed on the mounting plate 1, the height of the second positioning column 13 is greater than the height of the first positioning column 12, and the main power board 3 is fixed on the mounting plate 1 through the second through hole 32 and the second positioning column 13. Specifically, the height of the second positioning column 13 is usually greater than or equal to the sum of the height of the first positioning column 12, the thickness of the capacitor plate 21 and the height of the conductive terminals 23 on the capacitor plate, so that the main power board 3 is erected on the conductive terminals 23 of the capacitor plate.

Further, please refer to fig. 2, as another embodiment of the present invention, an input module, an output module, a control board and a driving board are disposed on a side of the main power board 3 away from the mounting board 1. Input module, output module, control panel and drive plate are integrated on main power board 3, for traditional connected mode that utilizes the cable, have reduced the inner contact, and then have avoided the problem of connection failure, and have simplified the inner space of converter core 100.

Further, please refer to fig. 2, as another embodiment of the present invention for a core 100 of a frequency converter, an input/output terminal electrically connected to an input module and an output module is disposed on a side of the main power board 3 away from the mounting board 1.

Further, referring to fig. 2, as another embodiment of the frequency converter core 100 according to the present invention, the input/output terminals include an input terminal 311, three dc output terminals 312 and three ac output terminals 313. By providing one input terminal 311 and a plurality of output terminals, one inverter can be connected to a plurality of devices at the same time.

The embodiment of the utility model provides a still provide a converter, converter core 100 in converter casing, the aforementioned embodiment to and other indispensable subassemblies among the prior art.

Further, please refer to fig. 3, as another specific implementation of the frequency converter provided by the present invention, the frequency converter housing is a frequency converter box 8. The bottom of the frequency converter box 8 is provided with a first input/output port 81 so as to provide electric energy for the frequency converter movement 100 and exchange the electric energy with the outside.

Further, please refer to fig. 4, as another specific implementation of the frequency converter provided by the present invention, the frequency converter housing is a frequency converter cabinet 9. The bottom of the frequency converter box 9 is provided with a second input/output port 91 so as to provide electric energy for the frequency converter core 100 and exchange the electric energy with the outside.

It is to be understood that aspects of the present invention may be practiced otherwise than as specifically described.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The frequency converter core is characterized by comprising an installation plate, a capacitor assembly, a main power plate and a radiator; the mounting plate comprises a first area and a second area, the capacitor assembly is arranged in the first area, the capacitor assembly comprises a capacitor plate and a bus capacitor, the capacitor plate is arranged on one side of the mounting plate, a yielding hole matched with the bus capacitor is formed in the mounting plate, and the bus capacitor penetrates through the yielding hole and extends into the other side of the mounting plate; the main power plate is arranged on one side, away from the mounting plate, of the capacitor plate, so that the capacitor plate is located between the mounting plate and the main power plate; the radiator is arranged on one side of the mounting plate, which deviates from the capacitor plate, and is positioned in the second area.

2. The frequency converter core according to claim 1, wherein a power board is mounted on the main power board, the power board is fixed to a side of the main power board away from the mounting board, a rectifying module and an inverting module are disposed between the mounting board and the main power board, the rectifying module and the inverting module are located in the second area, and the heat sink is mounted on the mounting board at a position corresponding to the rectifying module and the inverting module.

3. The frequency converter movement of claim 1, wherein the capacitor plate is provided with a first through hole, the mounting plate is provided with a first positioning post, and the capacitor plate is fixed to the mounting plate through the first through hole and the first positioning post.

4. The frequency converter core according to claim 3, wherein the capacitor plate is provided with conductive terminals, and the capacitor plate is electrically connected to the main power plate through the conductive terminals.

5. The frequency converter core according to claim 4, wherein the main power board is provided with a second through hole, the mounting board is provided with a second positioning column, the height of the second positioning column is greater than that of the first positioning column, and the main power board is fixed to the mounting board through the second through hole and the second positioning column.

6. The frequency converter movement of claim 5, wherein an input module, an output module, a control board, and a drive board are disposed on a side of the main power board facing away from the mounting board.

7. The frequency converter core according to claim 6, wherein an input/output terminal electrically connected to the input module and the output module is provided on a side of the main power board facing away from the mounting board.

8. The frequency converter movement of claim 7, wherein the input and output terminals include one input terminal, three AC output terminals, and three DC output terminals.

9. The frequency converter core according to claim 8, wherein the main power board is provided with an expansion card, a communication interface and a burning interface.

10. A frequency converter, comprising: a frequency converter housing; and a frequency converter movement according to any one of claims 1 to 9, which is arranged in the frequency converter housing.