CN212343674U - Three-level IGBT module driven bidirectional converter structure device - Google Patents
Three-level IGBT module driven bidirectional converter structure device Download PDFInfo
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- CN212343674U CN212343674U CN202021071360.8U CN202021071360U CN212343674U CN 212343674 U CN212343674 U CN 212343674U CN 202021071360 U CN202021071360 U CN 202021071360U CN 212343674 U CN212343674 U CN 212343674U
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Abstract
The utility model discloses a three-level IGBT module driven bidirectional converter structure device, which comprises a box body, wherein the box body comprises an air inlet plate, a fan plate, a bottom plate and an upper cover plate, and a laminated busbar, a heat pipe radiator, a current transformer, a main alternating current contactor and a main voltage transformer which are arranged in parallel are sequentially arranged in the box body from the air inlet plate to the fan plate; the heat pipe radiator is horizontally provided with heat pipes at equal intervals, one side of the heat pipe radiator, which is far away from the laminated busbar, is provided with an integrated shovel tooth, and the upper part of the heat pipe radiator is provided with a main control board and a plurality of photoelectric adapter boards which are connected in a bridge frame manner; the laminated busbar is provided with a direct-current thin-film capacitor, one side of the laminated busbar, which is far away from the air inlet plate, is provided with a Z-shaped joint, and the laminated busbar is connected with an IGBT module through a fastener. The utility model discloses the volume is littleer, and the modularization degree is high, and the product reliability is showing and is improving, and the manufacturability is good, and it is more convenient to install, has shortened production installation cycle, and the cost is comparatively cheap, and the later stage is in the use, is convenient for maintain and change.
Description
Technical Field
The utility model relates to a two-way conversion technical field, concretely relates to three-level IGBT module driven two-way conversion constructional device.
Background
Bidirectional conversion is an important stage in the development process of the conversion technology, and aims to realize bidirectional flow of energy and realize bidirectional conversion between alternating current and direct current. In the existing three-level bidirectional converter, the capacity of a single three-level IGBT module is limited due to the influence of the processes of power components such as IGBTs and the like, and higher requirements on the capacity and the module volume of the converter are provided by various industries, particularly rail transit, solar photovoltaic, wind power generation and other industries.
The existing parallel operation mode among the small-capacity inversion modules causes the volume of the whole equipment to be overlarge, the capacity to be smaller and the cost to be higher, the plurality of parallel inversion modules cause the structure of the converter to be complex, and the problems of higher synchronous control difficulty, possible circulation, uneven output and the like exist among the plurality of parallel inversion modules.
Disclosure of Invention
In order to solve the above problem, the utility model aims at providing a three-level IGBT module driven two-way converter structure device has the modularization degree height, and the commonality is strong, small, capacious characteristic to it is complicated, the volume is too big, the capacity undersize scheduling problem to change current converter structure.
The utility model adopts the technical proposal that:
a bidirectional converter structure device driven by a three-level IGBT module comprises a box body, wherein the box body comprises an air inlet plate, a fan plate, a bottom plate and an upper cover plate, and a laminated busbar, a heat pipe radiator, a current transformer, a main alternating current contactor and a main voltage transformer which are arranged in parallel are sequentially arranged in the box body from the air inlet plate to the fan plate; the heat pipe radiator is horizontally provided with heat pipes at equal intervals, one side of the heat pipe radiator, which is far away from the laminated busbar, is provided with an integrated shovel tooth, and the upper part of the heat pipe radiator is provided with a main control board and a plurality of photoelectric adapter boards which are connected in a bridge frame manner; the laminated busbar is provided with a direct-current thin-film capacitor, one side of the laminated busbar, which is far away from the air inlet plate, is provided with a Z-shaped joint, and the laminated busbar is connected with an IGBT module through a fastener.
Preferably, the laminated busbar is designed into three layers and is respectively an anode bar, a zero bar and a cathode bar, and insulation plates are arranged at intervals to insulate the tripolar busbar from each other, and the laminated busbar is provided with a U-shaped mounting hole.
Preferably, the insulating plate is made of epoxy resin.
Preferably, fan mounting holes are symmetrically formed below the air inlet plate and the fan plate and are arranged in the same horizontal line with the heat pipe radiator, and heat dissipation holes are uniformly formed between the adjacent fan mounting holes and in the upper portion of the adjacent fan mounting holes, so that the heat dissipation rate in the box body is increased.
Preferably, the dc thin film capacitors are provided with fixed beams and are arranged side by side.
Preferentially, the IGBT module comprises a double-layer structure of a driving adapter plate and a driving substrate, so that the space is saved and the installation is convenient.
Preferably, one side of the IGBT module, which is far away from the laminated busbar, is connected with a red copper bar and penetrates through the current transformer to be connected with the main alternating current contactor.
Preferably, the red copper rows are T-shaped.
Preferably, the main ac contactor is provided with a voltage transformer, a power supply module and an ac charging resistor in parallel and connected in parallel with the main ac contactor.
Preferentially, the fence wiring terminals are arranged on the heat dissipation holes of the fan plate, so that the normal operation of the equipment is guaranteed, and the equipment is convenient to detach, maintain and install.
The utility model has the advantages that:
1. the laminated busbar adopts a three-layer design, the three-pole busbars are mutually insulated, and the laminated busbar is provided with a Z-shaped connector and a U-shaped mounting hole, so that the direct-current thin-film capacitor is conveniently fixed by matching with the fixed beam, and the assembly and disassembly are convenient;
2. the fan mounting holes on the air inlet plate and the fan plate are matched with the integrated relieving teeth on one side of the heat pipe radiator to form an air channel, so that the aim of quickly radiating heat is fulfilled;
3. the main control board is in a bridge type and the photoelectric adapter board is arranged on the heat pipe radiator, so that the modularization degree is increased, the occupied space is saved, and the heat pipe radiator is safe and efficient.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is an exploded schematic view of the present invention;
FIG. 2 is a structural diagram of the heat pipe radiator of the present invention;
FIG. 3 is a top view of the heat pipe radiator of the present invention;
fig. 4 is a laminated busbar structure diagram of the present invention;
fig. 5 is a front view of the air inlet plate of the present invention.
Labeled as: 1. the novel energy-saving air conditioner comprises a box body, 11 parts of an air inlet plate, 111 parts of a fan mounting hole, 112 parts of heat dissipation holes, 12 parts of a fan plate, 121 parts of a fence wiring terminal, 13 parts of a bottom plate, 14 parts of an upper cover plate, 2 parts of a laminated busbar, 21 parts of a direct current film capacitor, 211 parts of a fixed beam, 22 parts of a Z-shaped joint, 23 parts of a U-shaped mounting hole, 3 parts of a heat pipe radiator, 31 parts of a heat pipe, 32 parts of an integrated shovel tooth, 33 parts of a main control plate, 34 parts of a photoelectric adapter plate, 35 parts of a copper busbar, 36 parts of an IGBT module, 4 parts of a current transformer, 5 parts of a main alternating current contactor, 51 parts of a voltage transformer, 52 parts of.
Detailed Description
As shown in fig. 1 and 5, a three-level IGBT module-driven bidirectional converter structure device includes a box 1, the box 1 has an outer shape with a width of 850mm, a depth of 720mm and a height of 380mm, the box 1 includes an air inlet plate 11, a fan plate 12, a bottom plate 13 and an upper cover plate 14, the air inlet plate 11 and the fan plate 12 are vertically disposed at two sides of the bottom plate 13, the upper cover plate 14 is disposed on the bottom plate 13, fan mounting holes 111 are symmetrically disposed under the air inlet plate 11 and the fan plate 12 and are disposed in the same horizontal line with the heat pipe radiator 3, heat dissipation holes 112 are uniformly disposed between and above the adjacent fan mounting holes 111 to increase the heat dissipation rate in the box 1, fence connection terminals 121 are disposed on the heat dissipation holes 112 of the fan plate 12 to facilitate detachment, maintenance and installation under the premise of ensuring normal operation of the device, a laminated busbar 2, a heat pipe radiator 3, a current transformer 4, and a heat sink are, Main ac contactor 5 and the main voltage transformer 6 that sets up side by side, wherein:
as shown in fig. 2-3, the heat pipe radiator 3 is horizontally provided with heat pipes 31 at equal intervals, one side of the heat pipe radiator, which is far away from the laminated busbar 2, is provided with an integrated shovel tooth 32, and the upper part of the heat pipe radiator is provided with a main control board 33 and a photoelectric adapter board 34 which are connected in a bridge type, so that the installation and the heat dissipation are facilitated, the optical fiber wiring is facilitated by adopting the bridge type design, and the occupied space is saved;
as shown in fig. 4, the laminated busbar 2 is designed into three layers, and is respectively an anode bar, a zero bar and a cathode bar, and epoxy resin insulation plates with the thickness of 0.5mm are arranged at intervals, so that the three-pole bars are insulated from each other, a U-shaped mounting hole 23 is arranged on the laminated busbar 2, a direct current thin film capacitor 21 is arranged on the laminated busbar 2, a Z-shaped connector 22 is arranged on one side of the laminated busbar 2 away from the air inlet plate 11, the laminated busbar is connected with an IGBT module 36 through a fastener, a fixing beam 211 is arranged on the direct current thin film capacitor 21, and the direct current thin film capacitors 21 are arranged side by side through the;
as shown in fig. 1, the IGBT module 36 includes a driving adapter board and a driving substrate, one side of the IGBT module 36, which is far away from the laminated busbar 2, is connected with a T-shaped red copper bar 35 and passes through the current transformer 4 to be connected with the main ac contactor 5, and the main ac contactor 5 is provided with the voltage transformer 51, the power module 52 and the ac charging resistor 53 side by side and is connected in parallel with the main ac contactor 5, so that the space is saved and the installation is facilitated.
The utility model has the advantages that: the volume is littleer, and the modularization degree is high, and the product reliability is showing and is improving, and the manufacturability is good, and it is more convenient to install, has shortened production installation cycle, and the cost is comparatively cheap, and the later stage is in the use, and the maintenance and the change of being convenient for.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a three level IGBT module driven bidirectional conversion constructional device, includes the box, and the box includes air inlet plate, fan plate, bottom plate and upper cover plate, its characterized in that: a laminated busbar, a heat pipe radiator, a current transformer, a main alternating current contactor and a main voltage transformer which are arranged in parallel are sequentially arranged in the box body from the air inlet plate to the fan plate; the heat pipe radiator is horizontally provided with heat pipes at equal intervals, one side of the heat pipe radiator, which is far away from the laminated busbar, is provided with an integrated shovel tooth, and the upper part of the heat pipe radiator is provided with a main control board and a plurality of photoelectric adapter boards which are connected in a bridge frame manner; the laminated busbar is provided with a direct-current thin-film capacitor, one side of the laminated busbar, which is far away from the air inlet plate, is provided with a Z-shaped joint, and the laminated busbar is connected with an IGBT module through a fastener.
2. The three-level IGBT module-driven bidirectional converter structure device according to claim 1, characterized in that: the laminated busbar is designed into three layers, is respectively provided with an anode bar, a zero bar and a cathode bar, is provided with insulating plates at intervals, and is provided with U-shaped mounting holes.
3. The three-level IGBT module-driven bidirectional converter structure device according to claim 2, characterized in that: the insulating plate is made of epoxy resin.
4. The three-level IGBT module-driven bidirectional converter structure device according to claim 1, characterized in that: fan mounting holes are symmetrically formed below the air inlet plate and the fan plate and are arranged in the same horizontal line with the heat pipe radiator, and heat dissipation holes are uniformly formed between the adjacent fan mounting holes and in the upper portion of the adjacent fan mounting holes.
5. The three-level IGBT module-driven bidirectional converter structure device according to claim 1, characterized in that: the direct current film capacitor is provided with a fixed beam and is arranged side by side.
6. The three-level IGBT module-driven bidirectional converter structure device according to claim 1, characterized in that: the IGBT module comprises a driving adapter plate and a driving substrate.
7. The three-level IGBT module-driven bidirectional converter structure device according to claim 1, characterized in that: one side of the IGBT module, which is far away from the laminated busbar, is connected with a red copper bar and penetrates through the current transformer to be connected with the main alternating current contactor.
8. The three-level IGBT module-driven bidirectional converter structure device according to claim 7, characterized in that: the red copper bar is T-shaped.
9. The three-level IGBT module-driven bidirectional converter structure device according to claim 1, characterized in that: and the main alternating current contactor is provided with a voltage transformer, a power supply module and an alternating current charging resistor in parallel and is connected with the main alternating current contactor in parallel.
10. The three-level IGBT module-driven bidirectional converter structure device according to claim 4, characterized in that: fence wiring terminals are arranged on the heat dissipation holes of the fan plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021071360.8U CN212343674U (en) | 2020-06-11 | 2020-06-11 | Three-level IGBT module driven bidirectional converter structure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021071360.8U CN212343674U (en) | 2020-06-11 | 2020-06-11 | Three-level IGBT module driven bidirectional converter structure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212343674U true CN212343674U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021071360.8U Active CN212343674U (en) | 2020-06-11 | 2020-06-11 | Three-level IGBT module driven bidirectional converter structure device |
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| Country | Link |
|---|---|
| CN (1) | CN212343674U (en) |
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- 2020-06-11 CN CN202021071360.8U patent/CN212343674U/en active Active
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