Search

CN-224218684-U - Electric control assembly, electric control box and heat pump unit

CN224218684UCN 224218684 UCN224218684 UCN 224218684UCN-224218684-U

Abstract

The application belongs to the technical field of electric appliances, and particularly relates to an electric control assembly, an electric control box and a heat pump unit, which comprise a driving plate; the electric control box comprises a tray, a driving plate, a heat dissipation part and a driving plate, wherein the tray is used for being connected with a box body of the electric control box, the driving plate is arranged on the tray in a covering mode, a heat dissipation cavity is formed between the driving plate and the tray, the heat dissipation part is located in the heat dissipation cavity and is configured to dissipate heat for the driving plate when the driving plate operates, a first gap is formed between at least part of the bottom of the heat dissipation part and the tray, a drain hole communicated with the heat dissipation cavity is formed in the tray and used for guiding water in the heat dissipation cavity to the outside of the box body, and therefore condensed water can be timely discharged out of the heat dissipation cavity through the drain hole, and damage of the driving plate is avoided.

Inventors

  • MA YUKUN
  • HOU MEIMEI
  • SUN QIANG
  • LI JIANMIN
  • SHI YUNDONG

Assignees

  • 青岛海尔新能源电器有限公司
  • 青岛经济技术开发区海尔热水器有限公司
  • 海尔智家股份有限公司

Dates

Publication Date
20260508
Application Date
20250325

Claims (10)

  1. 1. An electrical control assembly, comprising: A drive plate (100); The tray (200) is used for being connected with a box body (500) of the electric control box, and the driving plate (100) is arranged on the tray (200) in a covering mode, and a heat dissipation cavity is formed between the driving plate and the tray (200); -a heat dissipating component (300), the heat dissipating component (300) being located within the heat dissipating cavity, the heat dissipating component (300) being configured to dissipate heat from the drive board (100) when the drive board (100) is in operation; The tray (200) is provided with a drain hole (230) communicated with the heat dissipation cavity, and the drain hole (230) is used for guiding water in the heat dissipation cavity to the outside of the box body (500).
  2. 2. The electronic control assembly of claim 1, wherein the bottom of the heat dissipation chamber has a first end and a second end, the bottom of the heat dissipation chamber being inclined such that the height of the first end is greater than the height of the second end, the water inlet of the drain hole (230) being located at the second end.
  3. 3. The electrical control assembly of claim 1, wherein the heat sink member (300) comprises: a first heat radiation plate (320), wherein one side of the first heat radiation plate (320) is in contact with the driving plate (100); The second radiating plate (310) is positioned below the first radiating plate (320) and is matched with the first radiating plate (320) to form a positioning groove (340), and the second radiating plate (310) is connected with the tray (200); the cooling tube (330), cooling tube (330) are inserted and establish in constant head tank (340), cooling tube (330) are used for supplying the coolant flow, in order to pass through the refrigerant is for drive plate (100) heat dissipation.
  4. 4. An electronic control assembly according to claim 3, characterized in that the tray (200) is provided with a support portion (220) located in the heat dissipation chamber, and the second heat dissipation plate (310) is provided on the support portion (220).
  5. 5. An electrical control assembly according to claim 3, characterized in that the tray (200) is provided with mounting slots (210) extending in a direction away from the drive plate (100), the mounting slots (210) forming the heat dissipation chamber when closed by the drive plate (100); An avoidance gap and a pipe hole are formed in one side of the tray (200) in an up-down relationship, and the pipe hole is communicated with the mounting groove (210) and the avoidance gap; The heat dissipation device further comprises a baffle (400), wherein the baffle (400) is configured to be matched with the tray (200) in a clamping way when the heat dissipation tube (330) is inserted into the tube hole so as to seal the avoidance gap.
  6. 6. The electronic control assembly of claim 5, wherein a blocking portion (280) is disposed in the tube hole to block the tube hole, the blocking portion (280) and the tray (200) are connected by a weak connection portion (290), and the weak connection portion (290) is configured to be broken by an external force to disengage the blocking portion (280) from the tube hole when the radiating tube (330) is inserted into the tube hole.
  7. 7. An electrical control assembly according to any of claims 1-6, characterized in that the tray (200) is provided with a wire slot (240) on at least one side, which wire slot (240) is used for placing a pipeline connected to the drive plate (100).
  8. 8. The electronic control assembly according to claim 7, wherein the wire groove (240) includes a main body portion (242) and an inlet portion (241) that are communicated with each other, a width of the inlet portion (241) is gradually reduced in a direction approaching the main body portion (242), and a width of a side of the inlet portion (241) connected to the main body portion (242) is smaller than a width of the main body portion (242).
  9. 9. An electronic control box, characterized by comprising a box body (500) and the electronic control assembly according to any one of claims 1-8, wherein a driving plate (100) of the electronic control assembly is connected with the box body (500), and a water outlet end of a water drain hole (230) on the driving plate (100) extends out of the box body (500).
  10. 10. The heat pump unit is characterized by comprising a shell, a compressor, a heat exchanger and a middle partition plate, wherein the middle partition plate is positioned in the shell and separates a first installation cavity and a second installation cavity in the shell, the compressor is positioned in the first installation cavity, and the heat exchanger is positioned in the second installation cavity; The electronic control assembly according to any one of claims 1-8 or the electronic control box according to claim 9, wherein a clamping groove (270) is formed in the tray (200) of the electronic control assembly, the clamping groove (270) is in clamping fit with the top of the middle partition, and the electronic control assembly is at least partially located in the first mounting cavity, so that the drain hole (230) is communicated with the first mounting cavity.

Description

Electric control assembly, electric control box and heat pump unit Technical Field The application belongs to the technical field of electric appliances, and particularly relates to an electric control assembly, an electric control box and a heat pump unit. Background The electric control box is responsible for managing and controlling the operation of the whole heat pump unit, and is an important component of the heat pump unit. The electric control box generally comprises a box body and a driving plate arranged in the box body, wherein the driving plate is responsible for controlling the operation of high-power equipment such as a motor and a compressor, and because higher current needs to be processed, power elements (such as a power transistor, a metal oxide semiconductor field effect transistor, an insulated gate bipolar transistor and the like) on the driving plate usually generate significant heat, and if the heat of the driving plate cannot be timely dissipated, the driving plate can be damaged, and the control effect is affected. In this regard, a common method is to dissipate heat through a cooling medium as a driving plate, and when the cooling medium is used for dissipating heat, condensed water is generated in the box body due to temperature change of the driving plate, and accumulated in the box body for a long time, so that the driving plate is easy to corrode and damaged. Disclosure of utility model The application provides an electric control assembly, an electric control box and a heat pump unit, which are used for solving the problem that condensed water generated when the existing driving plate dissipates heat through a refrigerant is easy to corrode the driving plate. In a first aspect, the present application provides an electrical control assembly comprising: a driving plate; The tray is used for being connected with a box body of the electric control box, and the driving plate is covered on the tray and forms a heat dissipation cavity with the tray; A heat dissipation member located within the heat dissipation chamber, the heat dissipation member configured to dissipate heat from the drive plate when the drive plate is in operation; the tray is provided with a drain hole communicated with the heat dissipation cavity, and the drain hole is used for guiding water in the heat dissipation cavity to the outside of the box body. In one possible design, the bottom of the heat dissipation cavity has a first end and a second end, and the bottom of the heat dissipation cavity is inclined so that the height of the first end is greater than the height of the second end, and the water inlet of the water drain hole is located at the second end. In one possible design, the heat dissipating component includes: A first heat dissipation plate, one side of which is in contact with the driving plate; The second radiating plate is positioned below the first radiating plate and matched with the first radiating plate to form a positioning groove, and the second radiating plate is connected with the tray; The cooling tube is inserted in the positioning groove and used for flowing cooling medium so as to cool the driving plate through the cooling medium. In one possible design, the tray is provided with a supporting portion located in the heat dissipation cavity, and the second heat dissipation plate is disposed on the supporting portion. In one possible design, the tray is provided with a mounting groove extending in a direction away from the drive plate, the mounting groove forming the heat dissipation cavity when enclosed by the drive plate; An avoidance gap and a pipe hole are formed in one side of the tray in an up-down relationship, and the pipe hole is communicated with the mounting groove and the avoidance gap; The heat dissipation pipe is inserted into the pipe hole, and the heat dissipation pipe is connected with the tray in a clamping mode. In one possible design, a blocking part for blocking the pipe hole is disposed in the pipe hole, the blocking part is connected with the tray through a weak connection part, and the weak connection part is configured to be broken by an external force when the radiating pipe is inserted into the pipe hole, so that the blocking part is separated from the pipe hole. In one possible design, the tray is provided with a wire slot on at least one side for placing a pipeline connected to the drive plate. In one possible design, the slot includes a main body portion and an inlet portion that are in communication with each other, the width of the inlet portion gradually decreases in a direction approaching the main body portion, and the width of a side of the inlet portion connected to the main body portion is smaller than the width of the main body portion. In a second aspect, the present application provides an electronic control box, including a box body and the electronic control assembly according to any one of the first aspect, wherein a driving plate of the electr