CN-224218696-U - Inverter and electrical equipment

Abstract

The application provides an inverter and electrical equipment, the inverter comprises a box body, a heat dissipation assembly and a heating assembly, the box body comprises a sealing cavity and a ventilation cavity, the sealing cavity is formed by surrounding the inner wall of the box body, the sealing cavity is arranged on at least the peripheral side of the ventilation cavity, the ventilation cavity is communicated with the outer side of the box body, the heat dissipation assembly comprises a first heat dissipation piece, the first heat dissipation piece is arranged on the box body and is provided with a ventilation channel, the ventilation channel is communicated with the ventilation cavity, the heating assembly comprises a first heating element, and the first heating element is arranged on the first heat dissipation piece and is positioned in the sealing cavity. According to the technical scheme, the heat dissipation effect is good, and the service life of the inverter can be prolonged.

Inventors

• ZHANG JIANZHI
• YAN MENG

Assignees

• 深圳市钛氪能源科技有限公司

Dates

Publication Date

20260508

Application Date

20250417

Claims (10)

1. 1. An inverter is provided, which comprises a first inverter and a second inverter, characterized by comprising the following steps: The box body comprises a sealing cavity and a ventilation cavity, wherein the sealing cavity is formed by surrounding the inner wall of the box body, the sealing cavity is arranged on at least the peripheral side of the ventilation cavity in a surrounding manner, and the ventilation cavity is communicated with the outer side of the box body; The heat dissipation assembly comprises a first heat dissipation piece, wherein the first heat dissipation piece is arranged on the box body and is provided with a ventilation channel, and the ventilation channel is communicated with the ventilation cavity; The heating component comprises a first heating element, wherein the first heating element is arranged on the first heat dissipation piece and is positioned in the sealing cavity.
2. 2. The inverter of claim 1, wherein the case comprises a first sidewall and a second sidewall, the first sidewall and the second sidewall being spaced apart along a first direction; the first side wall is provided with a first ventilation hole, the second side wall is provided with a second ventilation hole, and two opposite ends of the ventilation cavity are respectively communicated with the first ventilation hole and the second ventilation hole.
3. 3. The inverter of claim 2, wherein a first port of the first heat sink communicates with the first vent and a second port of the first heat sink communicates with the second vent; the first port and the second port are respectively two ports of the ventilation channel.
4. 4. The inverter of claim 2, wherein the housing comprises a lower housing and an upper cover, the upper cover is disposed on the lower housing, the first heat sink is disposed in the housing, and the upper cover, the lower housing, and the first heat sink enclose the sealed cavity.
5. 5. The inverter of claim 2, further comprising at least one of: the first heat dissipation piece is a radiator; The inverter also comprises a circuit board, wherein the circuit board is arranged on the box body and is positioned in the sealing cavity; the inverter further comprises an insulating piece, wherein the insulating piece is arranged between the first heat dissipation piece and the circuit board; The first heat sink has a housing enclosing the ventilation channel; the first heat dissipation piece is provided with an opening, and the circuit board is plugged in the opening and encloses the ventilation channel.
6. 6. The inverter of any one of claims 2-5, wherein the heat dissipation assembly further comprises a second heat sink disposed on the first heat sink and within the ventilation cavity.
7. 7. The inverter of claim 6, further comprising at least one of: The second heat dissipation piece is a fan; The inverter further comprises a first sealing ring, wherein the first sealing ring is arranged between the first heat dissipation piece and the second heat dissipation piece; The second heat dissipation piece comprises an air inlet and an air outlet, the air inlet is communicated with the first ventilation hole, and the air outlet is communicated with a port of the first heat dissipation piece.
8. 8. The inverter according to any one of claims 2 to 5, further comprising a first protection net and a second protection net; The first protection net is arranged on the first side wall and covers the first ventilation holes, and the second protection net is arranged on the second side wall and covers the second ventilation holes.
9. 9. The inverter of claim 8, further comprising a second seal ring and a third seal ring; The second sealing ring is arranged between the first protective net and the first side wall, and the third sealing ring is arranged between the second protective net and the second side wall.
10. 10. An electrical apparatus comprising the inverter according to any one of claims 1 to 9.

Description

Inverter and electrical equipment Technical Field The application relates to the technical field of electrical equipment, in particular to an inverter and electrical equipment. Background Along with the development of energy storage technology, the energy storage system is increasingly widely applied, an inverter is a key component in the energy storage system, and the inverter is a device for converting batteries into alternating current. In the process of conception and implementation of the application, the applicant has found that at least the problems of the inverter housing being open and having vents for heat dissipation, both the circuit board assembly and the heat sink being disposed within the housing, the heat generating devices being disposed on the heat sink. Because the box is open, moisture in the air, dust, mosquito etc. can follow the ventilation hole on the box and get into, make circuit board subassembly by dust, mosquito etc. cover, corrode, cause circuit board subassembly inefficacy easily, and then lead to the dc-to-ac converter life-span to be shorter. The foregoing description is provided for general background information and does not necessarily constitute prior art. Disclosure of utility model The application provides the inverter and the electrical equipment, which have good heat dissipation effect and can prolong the service life of the inverter. In order to solve the above technical problems, the present application provides an inverter, comprising: The box body comprises a sealing cavity and a ventilation cavity, the sealing cavity is formed by surrounding the inner wall of the box body, the sealing cavity is arranged on at least the peripheral side of the ventilation cavity, and the ventilation cavity is communicated with the outer side of the box body; The heat dissipation assembly comprises a first heat dissipation piece, the first heat dissipation piece is arranged on the box body and is provided with a ventilation channel, and the ventilation channel is communicated with the ventilation cavity; The heating component comprises a first heating element, wherein the first heating element is arranged on the first heat dissipation piece and is positioned in the sealing cavity. Optionally, the case includes a first side wall and a second side wall. Optionally, the first sidewall and the second sidewall are spaced apart along the first direction. Optionally, a first vent hole is formed in the first side wall. Optionally, a second ventilation hole is formed in the second side wall. Optionally, opposite ends of the ventilation cavity are respectively communicated with the first ventilation hole and the second ventilation hole. Optionally, the first port of the first heat sink communicates with the first vent. Optionally, the second port of the first heat sink communicates with the second vent. Optionally, the first port and the second port are two ports of the ventilation channel, respectively. Optionally, the box body comprises a lower box body and an upper cover, and the upper cover is arranged on the lower box body. Optionally, the first heat dissipation piece is arranged in the box body, and the upper cover, the lower box body and the first heat dissipation piece enclose a sealing cavity. Optionally, the first heat sink is a heat sink. Optionally, the inverter further comprises a circuit board. Optionally, the circuit board is disposed on the box and is located in the sealed cavity. Optionally, the inverter further comprises an insulator. Optionally, the insulating member is disposed between the first heat sink and the circuit board. Optionally, the first heat sink has a housing. Optionally, the housing encloses the ventilation channel. Optionally, the first heat sink has an opening. Optionally, the circuit board is plugged in the opening and encloses the ventilation channel. Optionally, the heat dissipation assembly further comprises a second heat dissipation element. Optionally, the second heat dissipation element is disposed on the first heat dissipation element and located in the ventilation cavity. Optionally, the second heat dissipation element has an air inlet and an air outlet. Optionally, the air inlet is communicated with the first vent hole. Optionally, the air outlet is communicated with a port of the first heat dissipation element. Alternatively, the second heat sink may be a fan. Optionally, the inverter further comprises a first seal ring. Optionally, the first sealing ring is disposed between the first heat sink and the second heat sink. Optionally, the inverter further comprises a first protection net and a second protection net. Optionally, the first protection net is disposed on the first sidewall and covers the first vent hole. Optionally, the second protection net is disposed on the second side wall and covers the second ventilation hole. Optionally, the inverter further comprises a second sealing ring and a third sealing ring. Optionally, the second sealin