CN-122015196-A - Electric control assembly and air conditioner

Abstract

The application discloses an electric control assembly and an air conditioner, wherein the electric control assembly comprises a grounding shell, a frame body, an electric control integrated part, a first connecting piece and a second connecting piece, the frame body comprises a plurality of forming walls, the forming walls form an installation space, at least one forming wall comprises a metal plate, the metal plate is provided with a first grounding part and a second grounding part, the electric control integrated part is installed in the installation space and comprises a main circuit board, the first connecting piece is connected with the metal plate and the main circuit board and electrically connects the first grounding part with the main circuit board, and the second connecting piece is connected with the metal plate and the grounding shell and electrically connects the second grounding part with the grounding shell. The application can improve the comprehensive performance of the electric control assembly.

Inventors

• DU TUO
• SUN LIANGWEI
• MEI LIJUN
• GU YONG
• YANG KUN

Assignees

• 广东美的暖通设备有限公司
• 合肥美的暖通设备有限公司

Dates

Publication Date

20260512

Application Date

20260331

Claims (20)

1. 1. An electrical control assembly, comprising: A grounded shell; A frame body including a plurality of constituent walls, a plurality of the constituent walls forming an installation space, at least one of the constituent walls including a metal plate provided with a first grounding portion and a second grounding portion; The electric control integrated part is arranged in the installation space and comprises a main circuit board; A first connecting member connecting the metal plate and the main circuit board and electrically connecting the first grounding portion and the main circuit board; and the second connecting piece is used for connecting the metal plate with the grounding shell and electrically connecting the second grounding part with the grounding shell.
2. 2. The electrical control assembly of claim 1, wherein at least a portion of the metal plate is multiplexed as a heat exchange wall through which heat is exchanged between the main circuit board and the ground housing.
3. 3. The electrical control assembly of claim 2, wherein a gap is formed between the heat exchange wall and the main circuit board; The electric control assembly further comprises a filling part, the filling part is filled in a gap between the heat exchange wall and the main circuit board, and heat exchange is carried out between the filling part and the grounding shell through the heat exchange wall.
4. 4. An electrical control assembly as claimed in claim 3 wherein the main circuit board and the heat exchange wall are spaced apart and the filler portions are filled on opposite sides of the main circuit board in the direction of the spacing of the main circuit board and the heat exchange wall.
5. 5. The electrical control assembly of claim 4, wherein the first connector extends through the main circuit board and one end of the first connector is located on a side of the main circuit board remote from the heat exchange wall; The filling part floods one end of the first connecting piece, which is positioned on one side of the main circuit board, which is far away from the heat exchange wall.
6. 6. An electrical control assembly according to claim 3 wherein the frame is internally provided with a raised support platform configured to support the main circuit board and provide clearance between the main circuit board and the heat exchange wall.
7. 7. The electrical control assembly of claim 2 wherein a plurality of said constituent walls include a peripheral wall, said peripheral wall surrounding said heat exchange wall forming said mounting space; the peripheral wall is integrally formed with the heat exchange wall.
8. 8. The electrical control assembly of claim 7 wherein said peripheral wall and said heat exchange wall are integrally formed of the same thermally conductive material.
9. 9. The electrical control assembly of claim 7 wherein the peripheral wall and the heat exchange wall are each integrally formed of two different thermally conductive materials.
10. 10. The electrical control assembly of claim 7, wherein the material of the peripheral wall is an insulating non-thermally conductive material and the heat exchange wall is any one of a thermally conductive metal, a thermally conductive ceramic, and a thermally conductive plastic.
11. 11. The electrical control assembly of claim 7 wherein said metal plate includes a heat exchange wall located on an inner side of said peripheral wall and an extension wall located on an outer side of said peripheral wall; the second grounding part is arranged on the extension wall.
12. 12. The electrical control assembly of claim 1, wherein the first grounding portion comprises a first bolt post protruding from a side of the metal plate facing the main circuit board, the first bolt post having a first bolt hole; The first connector includes a first ground bolt that mates with the first bolt hole.
13. 13. The electrical control assembly of claim 12, wherein one end of the first stud is connected to the metal plate and the other end abuts the main circuit board.
14. 14. The electrical control assembly of claim 1, wherein a side of the metal plate facing the main circuit board is provided with an insulating layer.
15. 15. The electrical control assembly of claim 1, wherein the frame is provided with a mounting port in communication with the mounting space; The electric control assembly further comprises a cover body, and the cover body can be combined with the frame body cover to cover the mounting opening.
16. 16. The electrical control assembly of claim 15, wherein the electrical control integration further comprises a housing comprising a plurality of component walls, at least one of the component walls configured as a thermally conductive wall; The frame is equipped with first groove of dodging, the lid is equipped with the second and dodges the groove, the lid with when the frame lid, first dodge the groove with the groove is dodged to the second forms and dodges the opening, dodge the opening and expose at least part the heat conduction wall supplies outside heat exchange fluid to flow through.
17. 17. The electrical control assembly of claim 15, wherein the thermally conductive wall is provided with a plurality of fins arranged at intervals, and a first gap is provided between two adjacent fins; The frame body is provided with at least one second ventilation groove, and at least one second ventilation groove is arranged corresponding to at least one first gap; the cover body and the frame body are covered along the direction of the spaced arrangement of the fins, the cover body is provided with at least one third ventilation groove, and at least one third ventilation groove is correspondingly arranged with at least one other first gap.
18. 18. The electrical control assembly of claim 15, wherein the main circuit board is provided with a plurality of first terminals and a plurality of second terminals; the cover body is provided with a fool-proof part, a first avoiding part and a second avoiding part; When the cover body is covered with the frame body, the first avoiding portion and the second avoiding portion are respectively located on two opposite sides of the fool-proof portion along the arrangement direction of the first terminal and the second terminal, the first avoiding portion exposes the first terminal, and the second avoiding portion exposes the second terminal.
19. 19. The electronic control assembly of claim 15, wherein one of said cover and said frame is provided with a guide projection and the other is provided with a guide groove extending in a direction in which said cover and said frame are engaged, said guide groove being configured to guide movement of said guide projection in a direction in which said cover and said frame are engaged, and/or One of the cover body and the frame body is provided with a clamping groove, the other one is provided with a clamping hook, the clamping hook is matched with the clamping groove in a clamping way, and the clamping hook can elastically deform under the action of external force to be separated from the clamping groove.
20. 20. An air conditioning apparatus, comprising: an electrically controlled support; an electrical control assembly as claimed in any one of claims 1 to 19 mounted to the electrical control support.

Description

Electric control assembly and air conditioner Technical Field The application relates to the technical field of air conditioners, in particular to an electric control assembly and an air conditioner. Background In an air conditioning apparatus, the overall performance of the electronic control assembly directly affects the performance of the air conditioning apparatus. Therefore, in order to improve the performance of the air conditioning device, the comprehensive performance of the electric control assembly needs to be improved. Disclosure of Invention The embodiment of the application provides an electric control assembly and an air conditioner device, which can improve the comprehensive performance of the electric control assembly. The application provides an electric control assembly, which comprises a grounding shell, a frame body, an electric control integrated part, a first connecting piece and a second connecting piece, wherein the frame body comprises a plurality of forming walls, the forming walls form an installation space, at least one forming wall comprises a metal plate, the metal plate is provided with a first grounding part and a second grounding part, the electric control integrated part is installed in the installation space and comprises a main circuit board, the first connecting piece is connected with the metal plate and the main circuit board and electrically connects the first grounding part with the main circuit board, and the second connecting piece is connected with the metal plate and the grounding shell and electrically connects the second grounding part with the grounding shell. According to the electric control assembly provided by the embodiment of the application, at least one component wall of the frame body comprises the metal plate, the first grounding part and the second grounding part are arranged on the metal plate, the first connecting piece is used for realizing the mechanical connection and the electric connection between the main circuit board of the electric control integrated part and the metal plate of the frame body, and the second connecting piece is used for realizing the mechanical connection and the electric connection between the metal plate of the frame body and the grounding shell, so that the main circuit board can be stably arranged on the frame body, the frame body can be stably arranged on the grounding shell, and meanwhile, the indirect connection between the electric control integrated part and the grounding shell can be realized. In other words, the first grounding part and the second grounding part realize stable assembly and grounding connection of the electric control assembly with simple structures, so that the assembly stability and the electricity safety of the electric control assembly are improved, the mounting structure of the electric control assembly is simplified, the convenience of overhauling and maintenance is improved, and the comprehensive performance of the electric control assembly is improved. In some of these embodiments, at least a portion of the metal plate is multiplexed as a heat exchange wall through which heat is exchanged between the main circuit board and the ground shell. The metal plate is used as a grounding medium and a heat dissipation medium, so that the integral structure of the electric control assembly is simplified, the safety performance is improved, and the heat dissipation performance is improved. In some embodiments, a gap is formed between the heat exchange wall and the main circuit board, and the electric control assembly further comprises a filling part, wherein the filling part fills the gap between the heat exchange wall and the main circuit board, and heat exchange is performed between the filling part and the grounding shell through the heat exchange wall. Based on this, the heat exchange efficiency is improved by the arrangement of the filling portion. In some embodiments, the main circuit board and the heat exchange wall are arranged at intervals, and the filling parts are filled on two opposite sides of the main circuit board along the interval direction of the main circuit board and the heat exchange wall. Therefore, the heat dissipation efficiency is further improved. In some embodiments, the first connecting piece penetrates through the main circuit board, one end of the first connecting piece is located on one side, away from the heat exchange wall, of the main circuit board, and the filling portion submerges one end, located on one side, away from the heat exchange wall, of the main circuit board, of the first connecting piece. Thus, the first connecting piece penetrates through the main circuit board to realize connection of two side structures, and the filling part can fill the through hole. In some embodiments, a support table is protruding from the inner side of the frame, and the support table is configured to support the main circuit board and form a gap between the main circuit board