CN-224217969-U - Static phase modulation device

CN224217969UCN 224217969 UCN224217969 UCN 224217969UCN-224217969-U

Abstract

The utility model discloses a static phase modulation device which comprises a shell, a fan assembly, a heat dissipation assembly, a switch tube group, a capacitor assembly and a bypass switch assembly, wherein the first ventilation opening and the second ventilation opening are oppositely arranged, the fan assembly is close to the first ventilation opening, the heat dissipation assembly is positioned between the first ventilation opening and the second ventilation opening, heat of the switch tube group is transferred to the heat dissipation assembly, the capacitor assembly is arranged in the shell and is positioned at one side of the heat dissipation assembly along the airflow flowing direction, the capacitor assembly is connected with the switch tube group, the bypass switch assembly is arranged in the shell and is close to the second ventilation opening and is connected with the capacitor assembly along the airflow flowing direction, the bypass switch assembly is positioned at one end of the capacitor assembly and is connected with the bypass switch assembly, an operation port communicated with the cavity is formed in the shell, and a driven piece capable of driving the bypass switch assembly to switch the on-off state is arranged at the operation port and is exposed.

Inventors

XU LI
LI DESHENG
DING GUOJUN
CHEN WEIBING
ZHANG XIAHUI
ZHU JUNQI
SHI BEN
PENG GUOPING
DUAN BO

Assignees

广东明阳龙源电力电子有限公司

Dates

Publication Date: 20260508
Application Date: 20250427

Claims (9)

1. A stationary phase modulation apparatus comprising: The shell is provided with a containing cavity, a first ventilation opening and a second ventilation opening which are communicated with the containing cavity are formed in the shell, and the first ventilation opening and the second ventilation opening are arranged oppositely; the fan assembly is arranged in the shell and is close to the first ventilation opening, and is used for guiding the air flow to sequentially flow through the first ventilation opening, the containing cavity and the second ventilation opening or guiding the air flow to sequentially flow through the second ventilation opening, the containing cavity and the first ventilation opening; A heat dissipation assembly disposed within the housing and between the first vent and the second vent; a switch tube group disposed at the heat dissipation assembly and to which heat of the switch tube group can be transferred; The capacitor assembly is arranged in the shell and positioned at one side of the heat dissipation assembly along the flowing direction of wind flow, and the capacitor assembly is connected with the switch tube group; The bypass switch assembly is arranged in the shell and is close to the second ventilation opening, the bypass switch assembly is located at one end of the capacitor assembly and connected with the capacitor assembly along the flow direction of wind flow, an operation port communicated with the cavity is formed in the shell, the bypass switch assembly is provided with a driven piece capable of driving the bypass switch assembly to switch on-off states, and the driven piece is exposed at the operation port.
2. The stationary phase modulation device of claim 1, wherein the heat dissipation assembly comprises a heat exchange plate and a plurality of heat dissipation fins arranged on the lower surface of the heat exchange plate, a circulating air channel is formed between two adjacent heat dissipation fins, the circulating air channel is arranged along the flowing direction of wind flow, and the switch tube group is arranged on the upper surface of the heat exchange plate.
3. The stationary phase modulation device according to claim 2, wherein the capacitor assembly comprises a plurality of elongated capacitor members, the capacitor members are vertically disposed on one side of the heat dissipation assembly, the plurality of capacitor members are disposed along a wind flow direction, and the switch tube group is connected to each of the capacitor members through a laminated busbar.
4. A stationary phase modulation apparatus according to claim 2 wherein a manifold is disposed between said fan assembly and said heat sink assembly, one end of said manifold being connected to said housing, the other end of said manifold being connected to said heat sink assembly, said manifold being adapted to direct the flow of air to said flow path.
5. A stationary phase modulation apparatus according to claim 1 wherein said housing is provided with an input port, said switch tube set is connected to one end of an input busbar, and the other end of said input busbar extends to said input port and out of said cavity.
6. A stationary phase modulation apparatus according to claim 1 wherein said housing is provided with an output port, said capacitive assembly is connected to one end of an output busbar, and the other end of said output busbar extends to said output port and out of said cavity.
7. A stationary phase modulation apparatus according to claim 1, wherein a middle layer plate and a control module are further arranged in the housing, the control module is connected with the switch tube group, the control module is arranged on the middle layer plate, and the middle layer plate is arranged between the switch tube group and the control module to separate the switch tube group and the control module.
8. A stationary phase modulation apparatus according to claim 7, wherein said housing is further provided with an optical fiber interface, and wherein the communication end of said control module is coupled to said optical fiber interface.
9. A stationary phase modulation apparatus according to claim 7, wherein a power supply module is further disposed in the housing, the power supply module is disposed on the middle layer board, and the power supply module is connected to the control module to supply power to the control module.

Description

Static phase modulation device Technical Field The utility model relates to the technical field of power equipment, in particular to a static phase modulation device. Background And a super capacitor is arranged in the static phase modulation device and used as a capacitor component to charge and discharge energy, so that active power support is provided for a power grid system. When the static phase modulation device is connected to the power grid system, the input end can be provided with a bypass switch component, the bypass switch component is turned on to enable the static phase modulation device to be cut off from the power grid system, the bypass switch component is turned off to enable the static phase modulation device to be connected to the power grid system, and due to the fact that the power devices are arranged inside the static phase modulation device, the heat dissipation problem needs to be considered, the bypass switch components of the traditional static phase modulation device are arranged outside the static phase modulation device, but in the use process, external objects can be in wrong contact with the bypass switch component to cause damage or electric shock of the bypass switch component. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the static phase modulation device provided by the utility model has the advantages of compact structure, reliable operation and guarantee of heat dissipation requirements. According to the embodiment of the first aspect of the utility model, the static phase modulation device comprises a shell, a heat dissipation assembly, a switch assembly, a capacitor assembly, a bypass switch assembly and a bypass switch assembly, wherein the shell is provided with a first ventilation opening and a second ventilation opening which are communicated with the cavity, the first ventilation opening and the second ventilation opening are arranged in the shell, the fan assembly is arranged in the shell and is close to the first ventilation opening, the bypass switch assembly is used for guiding air flow to sequentially flow through the first ventilation opening, the cavity and the second ventilation opening or sequentially flow through the second ventilation opening, the heat dissipation assembly is arranged in the shell and is arranged between the first ventilation opening and the second ventilation opening, the switch assembly is arranged in the heat dissipation assembly and can transmit heat of the switch assembly to the heat dissipation assembly, the capacitor assembly is arranged in the shell and is arranged on one side of the heat dissipation assembly in the wind flow direction, the capacitor assembly is connected with the switch assembly, the bypass switch assembly is arranged in the shell and is close to the second ventilation opening in the wind flow direction, and is in the bypass switch assembly is arranged in the bypass switch assembly and is in the bypass switch assembly and can be in the bypass state of being exposed out of the shell. According to the embodiment of the utility model, the static phase modulation device has at least the following beneficial effects: According to the static phase modulation device, the special heat dissipation assembly is arranged in the shell for the switch tube group with serious heat generation, the fan assembly guides wind flow to flow between the first ventilation opening accommodating cavity and the second ventilation opening and can pass through the heat dissipation assembly, and as the capacitor assembly and the bypass switch assembly are not arranged on a path of the wind flow passing through the heat dissipation assembly, the heat of the switch tube group can be transferred to the heat dissipation assembly and then transferred to the wind flow through the heat dissipation assembly, the stable operation of the switch tube group is ensured, part of the wind flow can also flow through the capacitor assembly, and the normal heat dissipation requirement of the capacitor assembly is ensured. According to some embodiments of the utility model, the heat dissipation assembly comprises a heat exchange plate and a plurality of heat dissipation fins arranged on the lower surface of the heat exchange plate, a circulation air channel is formed between two adjacent heat dissipation fins, the circulation air channel is arranged along the flow direction of wind flow, and the switch tube group is arranged on the upper surface of the heat exchange plate. According to some embodiments of the utility model, the capacitor assembly comprises a plurality of elongated capacitor elements, the capacitor elements are vertically arranged on one side of the heat dissipation assembly, the plurality of capacitor elements are arranged along the wind flow direction, and the switch tube group is connected with each capacitor element through the laminated bu