CN217427671U - Compact flexible arc extinction power unit - Google Patents
Compact flexible arc extinction power unit Download PDFInfo
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- CN217427671U CN217427671U CN202122649345.8U CN202122649345U CN217427671U CN 217427671 U CN217427671 U CN 217427671U CN 202122649345 U CN202122649345 U CN 202122649345U CN 217427671 U CN217427671 U CN 217427671U
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- power unit
- flexible arc
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Abstract
The utility model discloses a flexible arc extinction power unit of compact, include: the side cover plates are respectively arranged at two sides of the frame, the top cover plate is arranged at the upper end of the frame, and the frame, the side cover plates and the top cover plate surround to form an accommodating space; further comprising: the radiator is arranged in the accommodating space; the frame is provided with a bottom plate, a front panel connected with the front end of the bottom plate and a rear panel connected with the rear end of the bottom plate, a first window is formed in the front panel, a second window is formed in the rear panel, and the first window, the radiator and the second window are matched to form a radiating air duct. The utility model provides a flexible arc extinction power unit of compact, this power unit effectively combines multifunctional device, keeps apart through a secondary space for this power unit interference killing feature is strong, and is reliable stable. The utility model discloses the utilization ratio in space that has improved of methods such as interface position is unified, electric capacity horizontal design also maximize.
Description
Technical Field
The utility model relates to a technical field of electric power system distribution network single-phase ground fault arc extinction especially relates to a flexible arc extinction power unit of compact.
Background
Along with the expansion of distribution network scale, harmonic current content and active current content are showing to increase in the distribution network, and the arc suppression coil can only compensate the reactive component of earth fault current, causes the earth fault electric arc to be unable to extinguish by oneself, and flexible arc suppression device can effectually solve above problem at present, and wherein power unit will directly influence flexible arc suppression device's performance as leading part.
The power unit has the requirements of small volume, complex structural function and strong anti-interference capability, and needs to be convenient to overhaul and maintain, so that a modular power unit with high integration level and compact structure is urgently needed to be designed.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a flexible arc extinction power unit of compact.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
a compact flexible arc suppression power unit, comprising:
the side cover plates are respectively arranged on two sides of the frame, the top cover plate is arranged at the upper end of the frame, and the frame, the side cover plates and the top cover plate surround to form an accommodating space;
further comprising: the radiator is arranged in the accommodating space;
the frame is provided with a bottom plate, a front panel connected with the front end of the bottom plate and a rear panel connected with the rear end of the bottom plate, a first window is formed in the front panel, a second window is formed in the rear panel, and the first window, the radiator and the second window are matched to form a radiating air duct.
The above-mentioned flexible arc extinction power unit of compact still includes wherein: the device comprises an output interface, an active interface and a communication interface, wherein the output interface, the active interface and the communication interface are all arranged on the front panel.
The above-mentioned flexible arc extinction power unit of compact still includes wherein: the handle, the handle is located on the lamina tecti.
The above-mentioned flexible arc extinction power unit of compact still includes wherein: the heat radiator comprises a partition plate and a switching power supply, wherein the partition plate is located on one side of the heat radiator, and the switching power supply is installed on the partition plate.
The above-mentioned flexible arc extinction power unit of compact still includes wherein: the control board is arranged below the partition plate and the switching power supply, and the communication interface is positioned on the control board.
The above-mentioned flexible arc extinction power unit of compact, wherein, surface mounting of radiator has a plurality of power device, and a plurality of power device includes: the switching power supply comprises one or more of an IGBT end, a resistor, a rectifier and a clamping capacitor, the active port is connected with the alternating current end of the rectifier, and the switching power supply is connected with the direct current end of the rectifier.
The above-mentioned flexible arc extinction power unit of compact still includes wherein: the capacitor and the capacitor support are arranged below the radiator and the switching power supply, the capacitor and the capacitor support are arranged on one side of the control board card, the capacitor support is fixedly connected with the frame, and the capacitor support supports the capacitor.
The above-mentioned flexible arc extinction power unit of compact still includes wherein: the busbar is arranged below the radiator and the switching power supply, and the busbar is arranged on one side of the capacitor.
The above-mentioned flexible arc extinction power unit of compact, wherein, female arranging includes: positive electrode row, negative electrode row and insulating paper.
The utility model discloses owing to adopted above-mentioned technique, make it compare the positive effect that has with prior art and be:
(1) the utility model provides a flexible arc extinction power unit of compact, this power unit effectively combine the multi-functional device, keep apart through a secondary space for this power unit interference killing feature is strong, and is reliable stable.
(2) The utility model discloses the utilization ratio in space that has improved of methods such as interface position is unified, electric capacity horizontal design also maximize.
Drawings
Fig. 1 is an external view of a compact flexible arc suppression power unit according to the present invention.
Fig. 2 is a schematic diagram of the layout of the compact flexible arc suppression power unit of the present invention.
Fig. 3 is a schematic diagram of a layout of a compact flexible arc suppression power unit according to the present invention.
In the drawings: 1. a frame; 2. a side cover plate; 3. a top cover plate; 4. a handle; 5. a heat sink; 6. an output interface; 7. an active interface; 8. a communication interface; 9. controlling a board card; 10. a switching power supply; 11. a rectifier; 12. a resistance; 13. an IGBT terminal; 14. a clamp capacitor; 15. a busbar; 16. a capacitive mount; 17. a capacitor;
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, which are not intended to limit the present invention. Fig. 1 is an external view of a compact flexible arc suppression power unit according to the present invention; FIG. 2 is a schematic diagram of the layout of the compact flexible arc suppression power unit of the present invention; fig. 3 is a schematic diagram of a layout of a compact flexible arc suppression power unit according to the present invention. Referring to fig. 1 to 3, there is shown a compact flexible arc suppression power unit of a preferred embodiment, including:
the device comprises a frame 1, side cover plates 2 and a top cover plate 3, wherein the side cover plates 2 are respectively arranged at two sides of the frame 1, the top cover plate 3 is arranged at the upper end of the frame 1, and the frame 1, the side cover plates 2 and the top cover plate 3 surround to form an accommodating space;
further comprising: the radiator 5 is arranged in the accommodating space;
the frame 1 is provided with a bottom plate, a front panel connected with the front end of the bottom plate and a rear panel connected with the rear end of the bottom plate, a first window is formed in the front panel, a second window is formed in the rear panel, and the first window, the radiator 5 and the second window are matched to form a radiating air duct.
In a preferred embodiment, the frame 1, the side cover plates 2 and the top cover plate 3 form a whole with good tightness and high protection level.
In a preferred embodiment, the junction of the heat sink 5 and the frame 1 forms an air duct opening, and the air duct opening is provided with a sealing gasket.
In a preferred embodiment, the method further comprises: the output interface 6, the active interface 7 and the communication interface 8 are arranged on the front panel.
In a preferred embodiment, the method further comprises: the handle 4 is arranged on the top cover plate 3.
In a preferred embodiment, the handle 4 is disposed on the top cover plate 3, which does not occupy the assembly space during operation and is convenient to carry when transportation is required.
In a preferred embodiment, the method further comprises: the partition plate is positioned on one side of the radiator 5, and the switching power supply 10 is installed on the partition plate.
In a preferred embodiment, the switching power supply 10 is of a self-powered design.
In a preferred embodiment, the method further comprises: and the control board card 9 is arranged below the partition board and the switching power supply 10, and the communication interface is positioned on the control board card 9.
In a preferred embodiment, the switching power supply 10 and the control board card 9 are mounted in an insulated manner
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
the utility model discloses a in the further embodiment, radiator 5's surface mounting has a plurality of power device, and a plurality of power device include: one or more of an IGBT terminal 13, a resistor 12, a rectifier 11, and a clamp capacitor 14, an active port of which is connected to an ac terminal of the rectifier 11, and the switching power supply 10 is connected to a dc terminal of the rectifier 11.
The utility model discloses a further embodiment, still include: the capacitor 17 and the capacitor support 16 are arranged below the radiator 5 and the switching power supply 10, the capacitor 17 and the capacitor support 16 are arranged on one side of the control board card 9, the capacitor support 16 is fixedly connected with the frame 1, and the capacitor support 16 supports the capacitor 17.
In a preferred embodiment, the capacitor 17 is placed horizontally to save space.
The utility model discloses a further embodiment, still include: the busbar 15, the busbar 15 is installed below the radiator 5 and the switching power supply 10, and the busbar 15 is arranged on one side of the capacitor 17.
The utility model discloses a in the further embodiment, female row 15 includes: positive electrode row, negative electrode row and insulating paper.
In a preferred embodiment, the output interface 6 and the active interface 7 are mounted by insulator supports, and a fuse is mounted on the three-phase input end of the active interface 7.
In a preferred embodiment, the active interface 7 is supported and mounted by an insulator, and is connected with the alternating current input end of the rectifier 11 through a fuse and a copper bar, the direct current output end of the rectifier 11 is connected with a bus bar 15 and a resistor 12 in parallel, wherein the bus bar 15 is connected with a direct current capacitor 17, and the resistor 12 is used for discharging the direct current capacitor 17 when the rectifier is not in operation.
In a preferred embodiment, the output interface 6 is supported and mounted by an insulator, the output interface 6 is connected with an alternating current end of the IGBT end 13 and forms an H-bridge circuit together with a direct current capacitor 17 through a busbar 15, and a clamping capacitor 14 is mounted at a direct current end of the IGBT end 13.
In a preferred embodiment, the dc capacitor 17 is horizontally mounted on the capacitor support 16 by fastening a fixing bolt, the capacitor support 16 is fixedly supported on the busbar 15 by an insulating plate, and the positive and negative interfaces of the dc capacitor 17 are close to one side of the IGBT end 13.
In a preferred embodiment, the busbar 15 connects the dc terminal of the IGBT terminal 13, the resistor 12, the dc terminal of the rectifier 11, and the dc capacitor 17 in parallel.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (7)
1. A compact flexible arc suppression power unit, comprising:
the side cover plates are respectively arranged on two sides of the frame, the top cover plate is arranged at the upper end of the frame, and the frame, the side cover plates and the top cover plate surround to form an accommodating space;
further comprising: the radiator is arranged in the accommodating space;
the frame is provided with a bottom plate, a front panel connected with the front end of the bottom plate and a rear panel connected with the rear end of the bottom plate, a first window is formed in the front panel, a second window is formed in the rear panel, and the first window, the radiator and the second window are matched to form a radiating air duct
Further comprising: the output interface, the active interface and the communication interface are all arranged on the front panel;
further comprising: the heat radiator comprises a partition plate and a switching power supply, wherein the partition plate is located on one side of the heat radiator, and the switching power supply is installed on the partition plate.
2. The compact flexible arc suppression power unit as recited in claim 1 further comprising: the handle is arranged on the top cover plate.
3. The compact flexible arc suppression power unit as recited in claim 1 further comprising: the control clamping plate is arranged below the partition plate and the switching power supply, and the communication interface is positioned on the control clamping plate.
4. The compact flexible arc suppression power unit as claimed in claim 3, wherein said heat sink has surface mounted power devices, said power devices comprising: the active interface is connected with the alternating current end of the rectifier, and the switching power supply is connected with the direct current end of the rectifier.
5. The compact flexible arc suppression power unit as recited in claim 4 further comprising: the capacitor and the capacitor support are arranged below the radiator and the switching power supply, the capacitor and the capacitor support are arranged on one side of the control clamping plate, the capacitor support is fixedly connected with the frame, and the capacitor support supports the capacitor.
6. The compact flexible arc suppression power unit as claimed in claim 5, further comprising: the busbar is arranged below the radiator and the switching power supply, and the busbar is arranged on one side of the capacitor.
7. The compact flexible arc suppression power unit as claimed in claim 6, wherein said busbar comprises: positive electrode row, negative electrode row and insulating paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122649345.8U CN217427671U (en) | 2021-11-01 | 2021-11-01 | Compact flexible arc extinction power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122649345.8U CN217427671U (en) | 2021-11-01 | 2021-11-01 | Compact flexible arc extinction power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217427671U true CN217427671U (en) | 2022-09-13 |
Family
ID=83168851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122649345.8U Active CN217427671U (en) | 2021-11-01 | 2021-11-01 | Compact flexible arc extinction power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217427671U (en) |
-
2021
- 2021-11-01 CN CN202122649345.8U patent/CN217427671U/en active Active
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