CN216751501U - Power module - Google Patents
Power module Download PDFInfo
- Publication number
- CN216751501U CN216751501U CN202122427388.1U CN202122427388U CN216751501U CN 216751501 U CN216751501 U CN 216751501U CN 202122427388 U CN202122427388 U CN 202122427388U CN 216751501 U CN216751501 U CN 216751501U
- Authority
- CN
- China
- Prior art keywords
- box body
- power
- module
- power module
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Inverter Devices (AREA)
Abstract
The utility model discloses a power module, which comprises a box body, wherein two sets of power element groups are arranged in the box body; a middle supporting plate is arranged in the box body, and the inner space of the box body is divided into an upper part and a lower part by the middle supporting plate; two sets of the power element groups are arranged on the upper part of the box body in parallel; each set of power element group comprises a water-cooling radiator, an IGBT module, a laminated busbar, a bleeder resistor and a bypass switch. The two sets of power units are combined into one, the power density of the module is doubled, the volume of the module is reduced by half, the external dimension of the corresponding power cabinet body is reduced by half, and the occupied area is reduced; the layout is more compact, connecting copper bars and module supporting insulation pieces between adjacent modules are reduced, and the cost of the whole SVG equipment is reduced; the integrated level is high, and the integrated circuit comprises a box body, a radiator, an IGBT module, a bus capacitor group, a bus capacitor, a connecting copper bar, a discharge resistor, a bypass switch, a binding frame, a power panel and a control panel; the wiring path is short, the wiring is more reasonable, and the reliability of the electrical performance is greatly improved.
Description
Technical Field
The utility model relates to the technical field of dynamic reactive power compensation, in particular to a power module.
Background
With the establishment of the targets of carbon peak reaching and carbon neutralization in various countries, the utilization of clean energy is more and more extensive, and the construction of wind power generation and solar power generation power stations is more and more. The stability problems of reactive power and dynamic voltage of wind power plants and photovoltaic power stations are increasingly highlighted, and the installation of high-voltage high-capacity SVG is an effective means.
The SVG products in domestic markets have various models, large appearance and size difference and uneven product quality and property, and the key factor of the current situation is the appearance size and performance of the power module. The SVG power module in the market has the following characteristics: (1) the power units in the power cabinet are more, so that the installation is inconvenient and the cost is high; (2) the power module has larger overall dimension and lower space utilization rate; (3) the heat dissipation method generally adopts air cooling, and the heat dissipation effect is not good.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a power module which is used for solving at least one technical problem and has the advantages of reasonable layout, compact structure, strong water-cooling heat dissipation capacity and reliable performance.
The embodiment of the utility model is realized by the following steps:
a power module comprises a box body, wherein two sets of power element groups are arranged in the box body.
A middle supporting plate is arranged in the box body, and the inner space of the box body is divided into an upper part and a lower part by the middle supporting plate.
The middle supporting plate is formed by bending a sheet metal part, and the integral strength of the module is guaranteed.
Two sets of the power element groups are arranged on the upper part of the box body in parallel.
Each set of power element group comprises a water-cooling radiator, an IGBT module, a laminated busbar, a bleeder resistor and a bypass switch.
The side plates of the box body are insulating pieces, so that the left half power element group and the right half power element group are electrically insulated.
In a preferred embodiment of the present invention, the power module further includes a bus capacitor bank.
The bus capacitor bank is arranged at the lower part of the box body.
The size of the bus capacitor group can be adjusted according to the number of the capacitors so as to meet the power requirements of different capacities.
In a preferred embodiment of the present invention, the water-cooled heat sink of the power module is disposed on the middle support plate and fixed to the side plate of the box body.
The two water-cooled radiators are vertically fixed on the middle supporting plate by the box body back to back.
Wherein, the water-cooling radiator is connected with the business turn over water pipe, stretches out the box.
The IGBT module is placed on the middle supporting plate and fixed with the outer side face of the water-cooling radiator.
The IGBT module is composed of an IGBT and a driving board, and is compact in module structure, attractive in appearance and high in energy density.
In a preferred embodiment of the present invention, the bleeder resistor of the power module is disposed on the middle support plate and fixed to an inner side surface of the water-cooled heat sink.
In a preferred embodiment of the present invention, the bypass switch of the power module is fixed to a side plate of the box body, and is disposed opposite to the water-cooled heat sink.
The side plate of the box body is provided with an operation hole.
The operation panel of the bypass switch is positioned in the operation hole.
In a preferred embodiment of the present invention, the laminated busbar of the power module is fixed above the busbar capacitor set and connected to the IGBT module.
The laminated busbar is connected with the IGBT module through the connecting portion, wherein the connecting portion of the laminated busbar and the IGBT module is made into an L-shaped copper bar, and the connecting is convenient. Simultaneously, the positive and negative poles of the bus capacitor group respectively extend out of one L row, and the power panel can be used for taking electricity and wiring the power panel, so that wiring is facilitated.
In a preferred embodiment of the present invention, a power board is further disposed in the box of the power module.
The power panel is fixed on the middle support plate and is arranged side by side with the IGBT module.
In a preferred embodiment of the present invention, a control board is further disposed in the box of the power module.
The control panel is fixed above the IGBT module.
The control board is used for detecting direct-current voltage in the power module, sending a fault signal according to the fault state of the power module, and simultaneously controlling the bypass switch to be closed, so that the unit quits operation, and the system can still form a current loop through the bypass switch to continue to operate, thereby improving the reliability of the equipment and prolonging the maintenance time of the equipment.
The optical fiber interface of the control panel extends out of the box body, so that the power cabinet is convenient to assemble and maintain later-period products.
In a preferred embodiment of the present invention, a wire binding frame is further disposed in the box body of the power module.
The wire binding frame is fixed on the inner side of the side plate of the box body.
The module wiring path is short, and the wiring is fixed on the wire binding frame, so that the reliability of the electrical performance is greatly improved.
In a preferred embodiment of the present invention, the power module has a connecting copper bar, a handle and a guide pin disposed on an outer side of the case.
The handle and the guide pin are fixed on the outer side of the side plate of the box body.
One end of the connecting copper bar is fixed on the outer side of the side plate of the box body, and the other end of the connecting copper bar extends into the box body.
The technical effects are as follows: the module can be conveniently pushed in and pulled out, and the reliable connection and the accurate positioning of the module are ensured.
The embodiment of the utility model has the beneficial effects that:
the power module comprises a box body, a water-cooling radiator, an IGBT module, a bus capacitor group, a laminated bus, a connecting copper bar, a bleeder resistor, a bypass switch, a wire binding frame, a power panel and a control panel. The module is a vertical module and is symmetrical left and right. The two water-cooled radiators are vertically fixed on the supporting plate in the box body back to back, the two groups of IGBT modules are respectively fixed on the front sides of the two radiators, and the two resistors are respectively fixed on the back sides of the radiators; the two groups of laminated busbars are fixed on a bottom plate of the box body and are arranged in a left row and a right row, and the capacitor group and the IGBT module are connected together through the bus capacitor group; the two bypass switches are fixed on the rear support plate of the box body in a left row and a right row, and the operation surface of the bypass switches faces the rear surface of the box body; four power panels divide left and right two to arrange side by side with the IGBT module on box intermediate strut board, and profiling module rear portion arranges, and two control panels divide left and right levels to arrange in IGBT module top.
According to the utility model, two sets of power elements are combined into one, the power density of the module is doubled, the volume of the module is halved, the external dimension of the corresponding power cabinet body is halved, and the occupied area is reduced; the layout is more compact, connecting copper bars and module supporting insulation pieces between adjacent modules are reduced, and the cost of the whole SVG equipment is reduced; the integrated level is high, and the integrated circuit comprises a box body, a radiator, an IGBT module, a bus capacitor group, a bus capacitor, a connecting copper bar, a discharge resistor, a bypass switch, a wire binding frame, a power panel and a control panel; the area of the stacked copper bars and the thickness of the connecting copper bars can be changed according to the number of the capacitors, so that the cost is reduced; the water inlet and outlet pipe is connected with the copper bar adjacent to the module, and the optical fiber interfaces are arranged in front of the module, so that later maintenance is convenient and quick; the IGBT parallel bypass switch is configured, so that IGBT bypass protection in the module can be realized, and the reliability is higher; the installation mode adopts the sliding in along the guide rail, and the tail part is positioned by adopting a positioning pin, so that the reliable connection and the accurate positioning of the power module are well ensured; the wiring path is short, the wiring is more reasonable, and the reliability of the electrical performance is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a front axial side structure of a power module according to the present invention;
FIG. 2 is a schematic side view of a power module according to the present invention;
fig. 3 is a schematic diagram of a structure of an oblique axis side (hidden upper supporting plate) of the power module of the present invention;
FIG. 4 is a schematic diagram of the oblique axis side (hidden control board) structure of the power module of the present invention;
FIG. 5 is a schematic diagram of a rear axial side structure of the power module of the present invention;
in the figure: 1-a box body; 2-water cooling radiator; 3-IGBT module; 4-bus capacitor bank; 5-laminated busbar; 6-connecting copper bars; 7-a bleed-off resistance; 8-a bypass switch; 9-binding a wire frame; 10-a power panel; 11-a control panel; 101-handle; 102-guide pins.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein can be arranged and designed in a wide variety of different configurations.
Referring to fig. 1 to 5, an embodiment of the utility model provides a power module, which includes a box 1, and two sets of power element sets are disposed in the box 1.
A middle supporting plate is arranged in the box body 1, and the inner space of the box body 1 is divided into an upper part and a lower part by the middle supporting plate.
The middle supporting plate is formed by bending a sheet metal part, and the overall strength of the module is ensured.
Two sets of the power element groups are arranged in parallel at the upper part of the box body 1.
Each set of power element group comprises a water-cooling radiator 2, an IGBT module 3, a laminated busbar 5, a bleeder resistor 7 and a bypass switch 8.
The side plates of the box body are insulating pieces, so that the left half power element group and the right half power element group are electrically insulated.
In a preferred embodiment of the present invention, the power module further includes a bus capacitor bank 4.
The bus capacitor bank 4 is arranged at the lower part of the box body 1.
The size of the bus capacitor group 4 can be adjusted according to the number of capacitors, so as to meet the power requirements of different capacities.
In a preferred embodiment of the present invention, the water-cooled heat sink 2 of the power module is disposed on the middle support plate and fixed to a side plate of the box 1.
The two water-cooled radiators 2 are vertically fixed on the middle support plate by the box body back to back.
Wherein, the water-cooling radiator 2 is connected with a water inlet pipe and a water outlet pipe which extend out of the box body 1.
The IGBT module 3 is placed on the middle supporting plate and fixed with the outer side face of the water-cooling radiator 2.
The IGBT module 3 is composed of an IGBT and a driving board, and is compact in module structure, attractive in appearance and high in energy density.
In a preferred embodiment of the present invention, the bleeder resistor 7 of the power module is disposed on the middle support plate and fixed to the inner side surface of the water-cooled heat sink 2.
In a preferred embodiment of the present invention, the bypass switch 8 of the power module is fixed on a side plate of the box body 1 and is disposed opposite to the water-cooled heat sink 2.
An operation hole is formed in a side plate of the box body 1.
The operation panel of the bypass switch 8 is located in the operation hole.
In a preferred embodiment of the present invention, the laminated busbar 5 of the power module is fixed above the busbar capacitor group 4 and connected to the IGBT module 3.
The laminated busbar 5 is connected with the IGBT module 3 through the connecting portion to form an L-shaped copper bar, and the connecting portion is convenient to connect. Meanwhile, the positive electrode and the negative electrode of the bus capacitor group 4 respectively extend out of one L row, and the power panel 10 can take power and can be connected with the power panel, so that the wiring is convenient.
In a preferred embodiment of the present invention, a power board 10 is further disposed in the box 1 of the power module.
The power panel 10 is fixed on the middle support plate and is arranged side by side with the IGBT module 3.
In the preferred embodiment of the present invention, a control board 11 is further disposed in the box body 1 of the power module.
The control board 11 is fixed above the IGBT module 3.
The control board 11 is used for detecting the direct-current voltage in the power module, sending a fault signal according to the fault state of the power module, and simultaneously controlling the bypass switch 8 to be closed, so that the unit quits operation, and the system can still form a current loop through the bypass switch 8 to continue to operate, thereby improving the reliability of the equipment and prolonging the maintenance time of the equipment.
The optical fiber interface of the control panel 11 extends out of the box body, so that the power cabinet is convenient to assemble and maintain later-period products.
In a preferred embodiment of the present invention, a wire binding frame 9 is further disposed in the box body 1 of the power module.
The binding frame 9 is fixed on the inner side of the side plate of the box body 1.
The module routing path is short, and the routing is fixed on the wire binding frame 9, so that the reliability of the electrical performance is greatly improved.
In the preferred embodiment of the present invention, the connecting copper bar 6, the handle 101 and the guide pin 102 are disposed on the outer side of the box body 1 of the power module.
The pull handle 101 and the guide pin 102 are fixed to the outer side of the side plate of the case 1.
One end of the connecting copper bar 6 is fixed on the outer side of the side plate of the box body 1, and the other end of the connecting copper bar extends into the box body 1.
The technical effects are as follows: the module can be conveniently pushed in and pulled out, and the reliable connection and accurate positioning of the module are ensured.
The embodiment of the utility model aims to protect a power module, which has the following effects:
1. the power module of the utility model realizes the combination of two power modules into one, the power density of the module is doubled, the volume of the module is halved, the external dimension of the corresponding power cabinet body is halved, and the occupied area is reduced.
2. The power module layout of the utility model is more compact, the connecting copper bars and module supporting insulators between adjacent modules are reduced, and the cost of the whole SVG equipment is reduced.
3. The power module disclosed by the utility model is high in integration level and comprises a box body, a radiator, an IGBT module, a bus capacitor group, a bus capacitor, a connecting copper bar, a discharge resistor, a bypass switch, a wire binding frame, a power panel and a control panel.
4. The power module can change the area of the stacked copper bars and the thickness of the connecting copper bars according to the number of the capacitors, so that the cost is reduced.
5. The water inlet and outlet pipe of the power module is connected with the copper bar of the adjacent module, and the optical fiber interfaces are arranged in front of the modules, so that the later maintenance is convenient and quick.
6. The power module is provided with the IGBT parallel bypass switch, so that IGBT bypass protection in the module can be realized, and the reliability is higher.
7. The power module is installed in a mode of sliding in along the guide rail, and the tail part of the power module is positioned by the positioning pin, so that reliable connection and accurate positioning of the power module are well guaranteed.
8. The power module has the advantages of short wiring path, more reasonable wiring and greatly improved reliability of electrical performance.
It should be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modifications, equivalents, improvements and the like which are made without departing from the spirit and scope of the present invention shall be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundary of the appended claims, or the equivalents of such scope and boundary.
Claims (10)
1. A power module is characterized by comprising a box body (1), wherein two sets of power element groups are arranged in the box body (1);
a middle supporting plate is arranged in the box body (1), and the inner space of the box body (1) is divided into an upper part and a lower part by the middle supporting plate;
two sets of power element groups are arranged on the upper part of the box body (1) in parallel;
each set of power element group comprises a water-cooling radiator (2), an IGBT module (3), a laminated busbar (5), a bleeder resistor (7) and a bypass switch (8).
2. The power module of claim 1,
the device also comprises a bus capacitor bank (4);
the bus capacitor bank (4) is arranged at the lower part of the box body (1).
3. The power module of claim 2,
the water-cooling radiator (2) is placed on the middle supporting plate and fixed with a side plate of the box body (1);
the IGBT module (3) is placed on the middle supporting plate and fixed with the outer side face of the water-cooling radiator (2).
4. The power module of claim 3,
the bleeder resistor (7) is arranged on the middle supporting plate and fixed with the inner side surface of the water-cooling radiator (2).
5. The power module of claim 3,
the bypass switch (8) is fixed on a side plate of the box body (1) and is arranged opposite to the water-cooling radiator (2);
an operation hole is formed in a side plate of the box body (1);
the operation panel of the bypass switch (8) is positioned in the operation hole.
6. The power module of claim 3,
the laminated busbar (5) is fixed above the bus capacitor bank (4) and connected with the IGBT module (3).
7. The power module of claim 3,
a power panel (10) is also arranged in the box body (1);
the power panel (10) is fixed on the middle support plate and is arranged side by side with the IGBT module (3).
8. The power module of claim 3,
a control panel (11) is also arranged in the box body (1);
the control board (11) is fixed above the IGBT module (3).
9. The power module of claim 1,
a binding wire frame (9) is also arranged in the box body (1);
the binding frame (9) is fixed on the inner side of the side plate of the box body (1).
10. The power module of claim 1,
the outer side of the box body (1) is provided with a connecting copper bar (6), a handle (101) and a guide pin (102);
the handle (101) and the guide pin (102) are fixed on the outer side of the side plate of the box body (1);
one end of the connecting copper bar (6) is fixed on the outer side of the side plate of the box body (1), and the other end of the connecting copper bar extends into the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122427388.1U CN216751501U (en) | 2021-10-09 | 2021-10-09 | Power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122427388.1U CN216751501U (en) | 2021-10-09 | 2021-10-09 | Power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216751501U true CN216751501U (en) | 2022-06-14 |
Family
ID=81922831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122427388.1U Active CN216751501U (en) | 2021-10-09 | 2021-10-09 | Power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216751501U (en) |
-
2021
- 2021-10-09 CN CN202122427388.1U patent/CN216751501U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102025261B (en) | Air-cooled converter power module system | |
| CN213906545U (en) | Converter and wind generating set comprising same | |
| CN201869082U (en) | Power module system for air cooling current transformer | |
| CN203056828U (en) | IGBT parallel connection power-unit structure layout | |
| WO2013060127A1 (en) | Integrated intensive svg cabinet based on multi-unit integrated drawer type power module | |
| CN106130316B (en) | A kind of current transformer module based on perpendicular dress stack bus bar | |
| CN203166733U (en) | Wind power converter module unit and wind power converter structure | |
| CN201113775Y (en) | Large power high voltage frequency conversion combination type power unit | |
| CN216751501U (en) | Power module | |
| CN210608893U (en) | Power module, converter power module and wind power generation system | |
| CN115967292A (en) | Power module | |
| CN203415832U (en) | Breaker arrangement structure of photovoltaic DC power distribution cabinet | |
| CN202652082U (en) | Large power solar energy three-phase grid connected inverter | |
| CN201230431Y (en) | Water cooling power module | |
| CN211183770U (en) | Water-cooled modular double-fed wind power generation converter | |
| CN102723878A (en) | High-power solar three-phase grid-connected inverter | |
| CN213027454U (en) | SVG power module | |
| CN203434471U (en) | Photovoltaic lightning protection combiner box | |
| CN216981156U (en) | Converter and wind generating set comprising same | |
| CN203352420U (en) | A current transformer power module structure | |
| CN216959641U (en) | Converter cabinet and power generation equipment | |
| CN204089612U (en) | Static reacance generator power model | |
| CN215897301U (en) | SVG power unit structure | |
| CN216355985U (en) | SVG power module | |
| CN217563143U (en) | Water-cooling power module of high-capacity static var generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221028 Address after: No. 4138, Sunshine Avenue, Xuchang Economic Development Zone, Henan 461000 Patentee after: Henan Xuji Power Electronics Co.,Ltd. Patentee after: XJ Group Corp. Patentee after: XJ ELECTRIC Co.,Ltd. Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: XJ Group Corp. Patentee before: XJ ELECTRIC Co.,Ltd. |
|
| TR01 | Transfer of patent right |