CN222108378U - A power unit structure for high voltage inverter - Google Patents
A power unit structure for high voltage inverter Download PDFInfo
- Publication number
- CN222108378U CN222108378U CN202323618173.3U CN202323618173U CN222108378U CN 222108378 U CN222108378 U CN 222108378U CN 202323618173 U CN202323618173 U CN 202323618173U CN 222108378 U CN222108378 U CN 222108378U
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- power unit
- power
- frequency converter
- plate
- voltage frequency
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- 239000003990 capacitor Substances 0.000 claims abstract description 43
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 9
- 230000017525 heat dissipation Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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- Rectifiers (AREA)
- Inverter Devices (AREA)
Abstract
The utility model discloses a power unit structure for a high-voltage frequency converter, which comprises a power unit shell, wherein one side of the power unit shell is of an opening structure, vent holes are formed in two ends, adjacent to the opening side, of the power unit shell, a cover plate is arranged on the opening structure side of the power unit shell, a control plate is arranged at the inner upper end of the power unit shell, a radiator and a power panel are arranged at the lower end of the control plate, the radiator and the power panel are arranged at intervals in parallel, a driving plate is arranged at one end of the power panel, a capacitor plate is arranged at the lower end of the radiator in the power unit shell.
Description
Technical Field
The utility model relates to the technical field of frequency conversion equipment, in particular to a power unit structure for a high-voltage frequency converter.
Background
The inside overall arrangement of traditional high-voltage inverter power unit mainly utilizes copper bar (aluminium row) or pencil to connect each power module, and inner structure is complicated, leads to inside tie point numerous, and the pencil is mixed and disorderly, and copper bar (aluminium row) pencil is with high costs, and production assembly cost of labor can be very high.
The traditional high-voltage frequency converter power unit mostly adopts an aluminum electrolytic capacitor with larger volume, the utilization rate of the unit structural space is low, and because a plurality of connection points are needed to be connected, a complicated wire harness is needed to be arranged inside, the inside of the high-voltage frequency converter is easy to generate heat, the temperature is high, the service life of the high-voltage frequency converter is greatly influenced, the whole unit module is relatively larger, and the aluminum electrolytic capacitor with larger volume has the same capacity and relatively higher cost.
The traditional high-voltage frequency converter power unit radiator and the air duct thereof are generally integrally installed inside, the installation is complex, and the labor cost of production and assembly is high.
Disclosure of utility model
The utility model aims to provide a power unit structure for a high-voltage frequency converter, which aims to solve the problems that the internal structure of the existing high-voltage frequency converter is complex in design and is not beneficial to heat dissipation.
The utility model provides a power unit structure for high-voltage inverter, includes the power unit casing, power unit casing one side is the opening structure, and power unit casing all is provided with the ventilation hole with the adjacent both ends in opening one side, and the opening structure side of power unit casing is provided with the baffle, and the control panel is installed to the upper end in the power unit casing, be located the control panel lower extreme and be provided with radiator and power strip, radiator and power strip parallel interval setting, the one end of power strip is provided with the drive plate, is located the radiator lower extreme in the power unit casing and is provided with the capacitor plate.
Preferably, a plurality of aluminum electrolytic capacitors are arranged on the capacitor plate in a single-side array manner, the capacitor plate is vertically arranged, and the aluminum electrolytic capacitors on the capacitor plate are located under the radiator.
Preferably, the bottom in the power unit shell is provided with a mounting seat, and the capacitor plate is fixed on the mounting seat at the bottom in the power unit shell through a first screw.
Preferably, the upper end of the capacitor plate is provided with a mounting hole, and the lower end of the power panel is fixed in the mounting hole at the upper end of the capacitor plate through a second screw.
Preferably, one end of the power unit housing is provided with a wiring terminal, and the wiring terminal is located at one side of the power panel.
Preferably, the upper end of the power unit shell is provided with an opening, the control board is horizontally arranged in the power unit shell, the upper end of the power unit shell is provided with a cover plate, and the cover plate is fixedly connected with the power unit shell through a third screw.
Preferably, a driving plate mounting seat is arranged on one side of the driving plate, and the driving plate is fixed on the driving plate mounting seat through a fourth screw.
Preferably, the power panel is provided with a rectifying unit, a filtering unit and an inversion unit, and the rectifying unit, the filtering unit and the inversion unit are connected in a whole covering way by adopting a cover PCB.
Preferably, the drive board is soldered to the IGBT signal terminals.
Preferably, the rectifying unit is connected to the connection terminal.
Compared with the prior art, the utility model has the following beneficial technical effects:
The utility model provides a power unit structure for a high-voltage frequency converter, which comprises a power unit shell, wherein one side of the power unit shell is of an opening structure, vent holes are formed in two ends, adjacent to the opening side, of the power unit shell, a baffle plate is arranged on the opening structure side of the power unit shell, a control board is arranged at the inner upper end of the power unit shell, a radiator and a power panel are arranged at the lower end of the control board, the radiator and the power panel are arranged at intervals in parallel, a driving plate is arranged at one end of the power panel, a capacitor plate is arranged at the lower end of the radiator in the power unit shell, the control board is arranged at the inner upper end of the power unit shell through the power unit shell, other modules are distributed around the radiator in a modularized arrangement mode, heat dissipation of each module is facilitated, and a modularized installation structure is adopted, so that rapid installation is facilitated.
The aluminum electrolytic capacitors are arranged on the capacitor plates in a single-side array mode, the capacitor plates are vertically arranged, the aluminum electrolytic capacitors on the capacitor plates are located under the radiator, the PCB is connected and arranged in a compact mode, the heating temperature is relatively low, the service life is prolonged, the space utilization rate of the power unit is improved, the size of the power unit is reduced, wiring harnesses (copper-aluminum bars) are reduced, and the overall structure is concise and attractive.
Preferably, the capacitor plate is used as a supporting structure of the power supply plate, so that the internal space of the power unit shell is effectively utilized, and meanwhile, the electric connection between the capacitor plate and the power supply plate is facilitated.
Preferably, the upper end of the power unit shell is provided with an opening, so that the power unit shell is convenient to detach and repair the control panel.
The radiator is located the cooling channel, and the cooling channel communicates with the ventilation holes at two ends of the power unit shell, adopts independent air duct installation, and is simple and reliable to install, and an independent cooling air duct is formed, so that the influence of heat and dust on other electric loops is reduced, the difficulty of the design problem of the air duct of the whole frequency converter unit installation is reduced, the cost is saved, and the appearance is simpler and more attractive.
Drawings
Fig. 1 is a schematic perspective view of a high-voltage inverter device according to an embodiment of the present utility model.
Fig. 2 is a schematic ventilation diagram of a high-voltage inverter device according to an embodiment of the present utility model.
Fig. 3 is a schematic diagram of a capacitor plate structure according to an embodiment of the utility model.
Fig. 4 is a cut-away view of a high voltage inverter device in accordance with an embodiment of the present utility model.
Fig. 5 is a front view of a high voltage inverter device according to an embodiment of the present utility model.
In the figure, 1, a power unit shell, 2, a control board, 3, a radiator, 4, a power supply board, 5, a driving board, 6, a capacitor board, 7, a first screw, 8, a wiring terminal, 9, a second screw, 10, a cover plate, 11, a third screw, 12, a driving board mounting seat, 13, a fourth screw, 14 and a baffle.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 to 5, the utility model provides a power unit structure for a high-voltage frequency converter, which comprises a power unit shell 1, wherein one side of the power unit shell 1 is of an opening structure, two ends of the power unit shell 1 adjacent to one side of the opening are respectively provided with a vent hole, the side of the opening structure of the power unit shell 1 is provided with a baffle 14, the upper end in the power unit shell 1 is provided with a control panel 2, the lower end of the control panel 2 is provided with a radiator 3 and a power panel 4, the radiator 3 and the power panel 4 are arranged at intervals in parallel, one end of the power panel 4 is provided with a driving plate 5, the lower end of the radiator 3 in the power unit shell 1 is provided with a capacitor plate 6, the power unit shell 1 is arranged at one side of the power unit shell 1 in an opening structure, the upper end in the power unit shell 1 is provided with the control panel 2, other modules are all arranged around the radiator 3 in a modularized arrangement mode, the heat dissipation of each module is facilitated, and the power unit is also provided with a modularized installation structure.
In one embodiment of the application, as shown in fig. 3, a plurality of aluminum electrolytic capacitors are arranged on the capacitor plate 6 in an array manner on one side, the capacitor plate 6 is vertically arranged, the aluminum electrolytic capacitors on the capacitor plate 6 are positioned under the radiator 3, and the connecting arrangement mode of the PCB is adopted, so that the installation is compact, the heating temperature is relatively low, the service life is prolonged, the space utilization rate of the power unit is improved, and the size of the power unit is reduced.
The capacitor plate 6 is electrically connected with the power panel 4, a mounting seat is arranged at the inner bottom of the power unit shell 1, and the capacitor plate 6 is fixed on the mounting seat at the inner bottom of the power unit shell 1 through a first screw 7.
The upper end of the capacitor plate 6 is provided with a mounting hole, the lower end of the power panel 4 is fixed in the mounting hole at the upper end of the capacitor plate 6 through a second screw 9, and the capacitor plate 6 is used as a supporting structure of the power panel 4, so that the inner space of the power unit shell 1 is effectively utilized, and meanwhile, the electric connection between the capacitor plate 6 and the power panel 4 is facilitated.
The control board 2 is electrically connected to the drive board 5. One end of the power unit shell 1 is provided with a wiring terminal 8, and the wiring terminal 8 is located on one side of the power panel 4, so that the connection length of the power panel 4 for wire incoming and electricity connection is reduced.
Specifically, the power panel 4 is provided with a rectifying unit, a filtering unit and an inversion unit (IGBT), the rectifying unit, the filtering unit and the inversion unit are connected in a whole covering way by adopting a cover PCB, the driving board is soldered with the IGBT signal terminal, the rectifying unit is connected with the wiring terminal 8, the difficulty in production and assembly is greatly reduced, the assembly process steps are simplified, the production efficiency is improved, the use of copper bar wiring harnesses is reduced, and the production cost of power single indication is reduced.
As shown in fig. 1, an opening is formed at the upper end of the power unit housing 1, the control board 2 is horizontally installed in the power unit housing 1, a cover plate 10 is arranged at the upper end of the power unit housing 1, the cover plate 10 is fixedly connected with the power unit housing 1 through a third screw 11, and the control board 2 is convenient to detach and maintain.
One side of the driving plate 5 is provided with a driving plate mounting seat 12, and the driving plate 5 is fixed on the driving plate mounting seat 12 by a fourth screw 13.
As shown in fig. 2, a heat dissipation channel is formed at the bottom of the control board 2 in the power unit housing 1, at one side of the power board 4 and at the upper end of the capacitor board 6, the radiator 3 is positioned in the heat dissipation channel, the heat dissipation channel is communicated with the ventilation holes at two ends of the power unit housing 1, and an independent air channel is adopted for installation, so that the installation is simple and reliable, an independent heat dissipation air channel is formed, the influence of heat and dust on other electric loops is reduced, meanwhile, the difficulty of the design problem of the air channel for installing the complete unit of the frequency converter is reduced, the cost is saved, and the appearance is simpler and more attractive.
Claims (10)
1. A power unit structure for high-voltage inverter, its characterized in that, including power unit casing (1), power unit casing (1) one side is open structure, and power unit casing (1) all is provided with the ventilation hole with the adjacent both ends in open side, and the open structure side of power unit casing (1) is provided with baffle (14), and control panel (2) are installed to upper end in power unit casing (1), be located control panel (2) lower extreme and be provided with radiator (3) and power strip (4), radiator (3) and power strip (4) parallel interval setting, and the one end of power strip (4) is provided with drive plate (5), and the one end that is located radiator (3) in power unit casing (1) is provided with capacitor plate (6).
2. The power unit structure for the high-voltage frequency converter according to claim 1, wherein a plurality of aluminum electrolytic capacitors are arranged on the capacitor plate (6) in a single-side array manner, the capacitor plate (6) is vertically arranged, and the aluminum electrolytic capacitors on the capacitor plate (6) are located under the radiator (3).
3. A power unit structure for a high voltage frequency converter according to claim 1, characterized in that the inner bottom of the power unit housing (1) is provided with a mounting seat, and the capacitive plate (6) is fixed to the mounting seat at the inner bottom of the power unit housing (1) by means of a first screw (7).
4. A power unit structure for a high voltage inverter according to claim 3, wherein the upper end of the capacitor plate (6) is provided with a mounting hole, and the lower end of the power supply board (4) is fixed in the mounting hole at the upper end of the capacitor plate (6) by means of a second screw (9).
5. A power unit structure for a high voltage frequency converter according to claim 1, characterized in that one end of the power unit housing (1) is provided with a connection terminal (8), the connection terminal (8) being located on the side of the power supply board (4).
6. The power unit structure for the high-voltage frequency converter according to claim 1, wherein an opening is formed in the upper end of the power unit housing (1), the control board (2) is horizontally installed in the power unit housing (1), a cover plate (10) is arranged at the upper end of the power unit housing (1), and the cover plate (10) is fixedly connected with the power unit housing (1) through a third screw (11).
7. A power unit structure for a high voltage frequency converter according to claim 1, characterized in that one side of the drive plate (5) is provided with a drive plate mount (12), the drive plate (5) being fixed to the drive plate mount (12) by means of a fourth screw (13).
8. The power unit structure for the high-voltage frequency converter according to claim 1, wherein the power panel (4) is provided with a rectifying unit, a filtering unit and an inversion unit, and the rectifying unit, the filtering unit and the inversion unit are integrally connected in a covering manner by a cover PCB.
9. A power unit structure for a high voltage frequency converter according to claim 8, characterized in that the drive plate (5) is soldered to the IGBT signal terminals.
10. A power unit arrangement for a high voltage frequency converter according to claim 9, characterized in that the rectifying unit is connected to the connection terminal (8) as a module input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323618173.3U CN222108378U (en) | 2023-12-28 | 2023-12-28 | A power unit structure for high voltage inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323618173.3U CN222108378U (en) | 2023-12-28 | 2023-12-28 | A power unit structure for high voltage inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222108378U true CN222108378U (en) | 2024-12-03 |
Family
ID=93619067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323618173.3U Active CN222108378U (en) | 2023-12-28 | 2023-12-28 | A power unit structure for high voltage inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222108378U (en) |
-
2023
- 2023-12-28 CN CN202323618173.3U patent/CN222108378U/en active Active
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| GR01 | Patent grant |