CN216751556U - Frequency converter with double wiring boards - Google Patents
Frequency converter with double wiring boards Download PDFInfo
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- CN216751556U CN216751556U CN202220018240.4U CN202220018240U CN216751556U CN 216751556 U CN216751556 U CN 216751556U CN 202220018240 U CN202220018240 U CN 202220018240U CN 216751556 U CN216751556 U CN 216751556U
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- mounting plate
- wiring board
- frequency converter
- fixed
- capacitor assembly
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Abstract
The utility model discloses a frequency converter with double wiring boards, which comprises: the frequency conversion assembly is arranged in the shell; the frequency conversion subassembly includes: the first mounting plate is vertically embedded and inserted on the bottom plate; the first wiring board is fixed on one side of the first mounting plate through bolts; a second wiring board longitudinally mounted on the first wiring board; the second mounting plate is fixed on the first mounting plate; the capacitor assembly comprises a plurality of capacitors, and the capacitors penetrate through and are fixed on the second mounting plate; the capacitor assembly is used for energy storage filtering; the rectifier is connected with the capacitor assembly and the first wiring board through a first conducting strip; the IGBT inverter is fixed on one side of the second mounting plate, and the IGBT inverter is connected with the second wiring board through a second conducting strip; according to the frequency converter with the double wiring boards, the first wiring board and the second wiring board are arranged side by side, so that circuit crossing is reduced, the circuit layout in the frequency converter is more reasonable, and the installation space is saved.
Description
Technical Field
The embodiment of the utility model relates to the technology of frequency converters, in particular to a frequency converter with double wiring boards.
Background
The frequency converter is an electric control device which applies a frequency conversion technology and a microelectronic technology and controls an alternating current motor by changing the frequency mode of a working power supply of the motor. The frequency converter mainly comprises a rectifying unit (alternating current to direct current), a filtering unit, an inverting unit (direct current to alternating current), a braking unit, a driving unit, a detection unit micro-processing unit and the like.
The existing high-power frequency converter has the defects of large size, high manufacturing cost and difficulty in batch production due to more components and complicated staggered internal circuits, and is easy to cause short circuit due to the fact that one wiring board is used at the same time.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the embodiments of the present invention is to provide a heat dissipation cover for a frequency converter, which solves the problems of large size and unreasonable structural design of the frequency converter in the prior art.
A frequency converter with a dual wiring board, comprising:
the shell comprises a bottom plate and a shell embedded on the bottom plate;
the frequency conversion assembly is arranged in the shell;
the frequency conversion subassembly includes:
the first mounting plate is vertically embedded and inserted on the bottom plate;
the first wiring board is fixed on one side of the first mounting plate through bolts;
a second patch panel mounted longitudinally on said first patch panel;
the second mounting plate is fixed on the first mounting plate;
the capacitor assembly comprises a plurality of capacitors, and the capacitors penetrate through and are fixed on the second mounting plate; the capacitor assembly is used for energy storage filtering;
the rectifier is connected with the capacitor assembly and the first wiring board through a first conducting strip;
and the IGBT inverter is fixed on one side of the second mounting plate, and the IGBT inverter is connected with the second wiring board through a second conducting strip.
Furthermore, the frequency conversion assembly further comprises a radiator fixed on the second mounting plate, the radiator is located at one end, away from the bottom plate, of the capacitor assembly, and the radiator is used for radiating the IGBT inverter.
Further, a heat radiation fan is further installed on the heat radiator, and the heat radiation fan and the heat radiator jointly act to radiate the heat of the IGBT inverter.
Furthermore, a plurality of wiring terminals are mounted on the first wiring board; the first conducting strip comprises a first end and a second end, the first end is connected with one of the wiring terminals, and the second end is connected with the capacitor assembly and the rectifier simultaneously.
Further, the first mounting plate includes a first side and a second side, the first terminal plate is fixed to the first side, and the rectifier is fixed to the second side.
Furthermore, a connecting hole is formed in the first mounting plate, a connecting sheet is mounted on the rectifier, and the connecting sheet penetrates through the connecting hole and then is connected with the second end of the conducting sheet.
According to the frequency converter with the double wiring boards, the first wiring board and the second wiring board are arranged side by side, and the rectifier and the IGBT inverter are respectively connected with the first wiring board and the second wiring board, so that circuit crossing is reduced, the circuit layout in the frequency converter is more reasonable, the installation space is further saved, and the size of the frequency converter can be designed to be smaller.
Drawings
Fig. 1 is an overall schematic view of a frequency converter having a dual wiring board according to the present invention;
fig. 2 is an enlarged schematic view of fig. 1 at a.
The list of elements is as follows:
1. a housing;
2. a frequency conversion assembly;
11. a base plate;
12. a housing;
21. a first mounting plate;
22. a first wiring board;
23. a second wiring board;
24. a second mounting plate;
25. a rectifier;
26. an IGBT inverter;
27. a first conductive sheet;
28. a second conductive sheet;
29. a heat sink;
30. a heat-dissipating fan;
31. a capacitive component;
211. connecting holes;
221. a wiring terminal;
251. connecting sheets;
311. and (4) a capacitor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further 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 utility model and do not limit the utility model. 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.
A frequency converter with a dual wiring board as shown in fig. 1 to 2 includes: the device comprises a shell 1 and a frequency conversion assembly 2; the shell 1 comprises a bottom plate 11 and a shell 12 embedded on the bottom plate 11; the frequency conversion assembly 2 is arranged in the shell 1;
the frequency conversion assembly 2 comprises a first mounting plate 21, a first wiring plate 22, a second wiring plate 23, a second mounting plate 24, a capacitor assembly 31, a rectifier 25 and an IGBT inverter 26; the first mounting plate 21 is vertically inserted on the bottom plate 11; the second mounting plate 24 is fixed to the first mounting plate 21. In order to save the installation space, the present embodiment divides the wiring board into a first wiring board 22 and a second wiring board 23, the first wiring board 22 is fixed on the side of the first mounting plate 21 by bolts; a second wiring board 23 is longitudinally mounted on the first wiring board 22; and the second wiring board 23 is protrusively provided on the outer side of the first wiring board 22 in order to facilitate discrimination between the first wiring board 22 and the second wiring board 23.
The capacitor assembly 31 comprises a plurality of capacitors 311, and the plurality of capacitors 311 penetrate through and are fixed on the second mounting plate 24; the capacitor assembly 31 is used for energy storage filtering;
in order to facilitate installation and prevent wire crossing, the rectifier 25 is connected with the capacitor assembly 31 and the first wiring board 22 through a first conductive sheet 27; an IGBT inverter 26 is fixed to one side of the second mounting plate 24, and the IGBT inverter 26 and the second wiring plate 23 are connected together by a second conductive plate 28.
The embodiment divides the wiring board into two wiring boards and the two wiring boards are arranged side by side longitudinally, so that on one hand, the transverse installation space is saved, and on the other hand, the risk of short circuit is reduced.
Further, the frequency conversion assembly 2 further includes a heat sink 29 fixed on the second mounting plate 24, the heat sink 29 is located at an end of the capacitor assembly 31 far away from the bottom plate 11, and the heat sink 29 is used for heat dissipation of the IGBT inverter 26.
Further, a heat dissipation fan 30 is further mounted on the heat sink 29, and the heat dissipation fan 30 and the heat sink 29 cooperate to dissipate heat of the IGBT inverter 26.
Further, a plurality of connection terminals 221 are mounted on the first wiring board 22; the first conductive sheet 27 includes a first end 271 and a second end 272, the first end 271 is connected to one of the connection terminals 221, and the second end 272 is connected to the capacitor assembly 31 and the rectifier 25 at the same time, specifically, the capacitor assembly 31 includes a plurality of capacitors 311, each capacitor 311 is arranged in a matrix, and each capacitor 311 is electrically connected to each other; the second terminal 272 is coupled to one of the capacitors 311.
Further, the first mounting plate 21 comprises a first side 212 and a second side 213, the first wiring board 22 is fixed on the first side 212, the rectifier 25 is fixed on the second side 213, and the first wiring board 22 and the rectifier 25 are arranged on different sides of the first mounting plate 21, so that the mounting space is further saved.
Furthermore, the first mounting plate 21 is provided with a connecting hole 211, the rectifier 25 is provided with a connecting plate 251, and the connecting plate 251 passes through the connecting hole 211 and then is connected with the second end of the conducting plate.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A frequency converter with a dual wiring board, comprising:
the shell comprises a bottom plate and a shell embedded on the bottom plate;
the frequency conversion assembly is arranged in the shell;
the frequency conversion subassembly includes:
the first mounting plate is vertically embedded and inserted on the bottom plate;
the first wiring board is fixed on one side of the first mounting plate through bolts;
a second wiring board longitudinally mounted on the first wiring board;
the second mounting plate is fixed on the first mounting plate;
the capacitor assembly comprises a plurality of capacitors, and the capacitors penetrate through and are fixed on the second mounting plate; the capacitor assembly is used for energy storage filtering;
the rectifier is connected with the capacitor assembly and the first wiring board through a first conducting strip;
and the IGBT inverter is fixed on one side of the second mounting plate, and the IGBT inverter is connected with the second wiring board through a second conducting strip.
2. The inverter with dual wiring boards as claimed in claim 1, wherein the inverter assembly further comprises a heat sink fixed on the second mounting plate, the heat sink being located at an end of the capacitor assembly away from the base plate, the heat sink being used for heat dissipation of the IGBT inverter.
3. The frequency converter with the double wiring board as claimed in claim 2, wherein a heat dissipation fan is further mounted on the heat sink, and the heat dissipation fan and the heat sink cooperate to dissipate heat of the IGBT inverter.
4. The frequency converter with dual terminal blocks as claimed in claim 1, wherein a plurality of terminal blocks are mounted on the first terminal block; the first conducting strip comprises a first end and a second end, the first end is connected with one of the wiring terminals, and the second end is connected with the capacitor assembly and the rectifier simultaneously.
5. The frequency converter with dual terminal blocks as claimed in claim 1, wherein the first mounting plate includes a first side and a second side, the first terminal block being secured to the first side and the rectifier being secured to the second side.
6. The frequency converter with the double wiring boards as claimed in claim 4, wherein the first mounting plate is provided with a connecting hole, the rectifier is provided with a connecting sheet, and the connecting sheet passes through the connecting hole and then is connected with the second end of the conducting sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018240.4U CN216751556U (en) | 2022-01-06 | 2022-01-06 | Frequency converter with double wiring boards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220018240.4U CN216751556U (en) | 2022-01-06 | 2022-01-06 | Frequency converter with double wiring boards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216751556U true CN216751556U (en) | 2022-06-14 |
Family
ID=81913158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220018240.4U Active CN216751556U (en) | 2022-01-06 | 2022-01-06 | Frequency converter with double wiring boards |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216751556U (en) |
-
2022
- 2022-01-06 CN CN202220018240.4U patent/CN216751556U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |