CN210399243U

CN210399243U - Electric control board, air conditioner outer unit and air conditioner

Info

Publication number: CN210399243U
Application number: CN201921277838.XU
Authority: CN
Inventors: 李永登; 李豪
Original assignee: Taiwan Semiconductor Manufacturing Co TSMC Ltd
Current assignee: Guangdong Kaili HVAC Co.,Ltd.
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-24
Anticipated expiration: 2029-08-06

Abstract

The utility model provides an electric control board, an air conditioner external unit and an air conditioner, wherein the electric control board comprises a PCB (printed circuit board), a positioning bracket, a power device and a radiator; the connecting end of the power device penetrates through the positioning support to be welded on the PCB, and the positioning support is fixed on the PCB to position the power device; and the heat dissipation end of the power device is abutted against the heat radiator. The utility model discloses a set up the locating support, improved power device's assembly efficiency, make power device and radiator closely laminate, improved power device's radiating efficiency.

Description

Electric control board, air conditioner outer unit and air conditioner

Technical Field

The utility model relates to an automatically controlled board technical field, in particular to outer machine of automatically controlled board, air conditioner and air conditioner.

Background

Due to the positioning accuracy of the existing electric control board power device, after the power device is welded on a PCB, the heat dissipation ends of the power devices are not on the same plane, so that the heat dissipation of the heat dissipation ends is uneven, and the risk of burning out of the power device occurs. Meanwhile, since a plurality of power devices need to be positioned on the PCB together to be fixed, there is a problem that the assembly efficiency of the power devices is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective is the outer machine of a automatically controlled board, air conditioner and air conditioner that provides, and it is inhomogeneous to aim at solving the power device heat dissipation, problem that assembly efficiency is low.

In order to achieve the above object, the present invention provides an electric control board, which includes a PCB board, a positioning bracket, a power device, and a heat sink;

the connecting end of the power device penetrates through the positioning support to be welded on the PCB, and the positioning support is fixed on the PCB to position the power device; and the heat dissipation end of the power device is abutted against the heat radiator.

Further, the positioning support is a plastic part, and the plastic part is an extrusion molding part.

Further, the plastic part is made of PP, PC, POM, ABS or PMMA.

Furthermore, the positioning support is provided with a positioning groove and a positioning hole, the positioning groove is a groove body matched with the power device, the positioning hole is a through hole matched with the connecting end of the power device, and the connecting end of the power device penetrates through the positioning hole to be accommodated in the positioning groove.

Furthermore, the positioning bracket is fixed on the PCB through screws.

Furthermore, the electric control board further comprises a limiting part, the limiting part is an elastic part, and when the limiting part is arranged between the power device and the PCB, the limiting part provides elastic force towards the radiator for the power device.

Furthermore, the elastic piece is a metal elastic piece, and the metal elastic piece is a bent spring.

Furthermore, one end of the bent sheet spring is provided with a screw hole, the other end of the bent sheet spring is arranged between the power device and the PCB, and a screw penetrates through the screw hole to adjust the stress height of one end of the bent sheet spring with the screw hole, so that the elasticity of the other end of the bent sheet spring to the power device is changed.

The utility model discloses propose simultaneously an outer machine of air conditioner, the outer machine of air conditioner includes above-mentioned arbitrary item automatically controlled board.

The utility model discloses propose an air conditioner simultaneously, the air conditioner includes the outer machine of above-mentioned air conditioner.

The utility model provides an electric control board, an air conditioner external unit and an air conditioner, wherein the electric control board comprises a PCB board, a positioning bracket, a power device, a radiator and a limiting part; the positioning bracket is fixed on the PCB and used for positioning the power device; the connecting end of the power device penetrates through the positioning bracket and is welded on the PCB, and the heat dissipation end of the power device is connected with a heat radiator; the limiting part is arranged between the power device and the PCB, and limits the power device to enable the heat dissipation end of the power device to be attached to the radiator. The utility model improves the assembly efficiency of the power device by arranging the positioning bracket; through setting up the locating part, make power device and radiator closely laminate, improved power device's radiating efficiency.

Drawings

Fig. 1 is a three-view diagram of an embodiment of the present invention after assembling a positioning bracket, a power device, and a limiting member;

fig. 2 is an exploded view of an electric control board according to an embodiment of the present invention.

A1 is a front view, A2 is a top view, and A3 is a side view.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As used herein, the singular forms "a", "an", "the" and "the" include plural referents unless the content clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, units, modules, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, units, modules, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Referring to fig. 1 to 2, the present invention provides an electric control board, which includes a PCB board 1, a positioning bracket 2, a power device 3, and a heat sink 4; the connecting end of the power device 3 penetrates through the positioning support 2 and is welded on the PCB board 1, and the positioning support 2 is fixed on the PCB board 1 to position the power device 3; the heat dissipation end of the power device 3 abuts against the heat sink 4.

In this embodiment, power device (31, 32, 33) indicate that the during operation temperature is high, and the heat is big, needs supplementary radiating components and parts, can be the same components and parts, also can be different components and parts, the utility model discloses unify to power device 3. When the heat sink 4 is manufactured, the contact surface between the heat sink 4 and the power device 3 is a plane with high precision, and because the heat sink 4 and the heat dissipation end of the power device 3 are both made of metal, sufficient contact is needed to transfer the heat of the power device 3 to the heat sink 4 for heat dissipation. The utility model discloses a set up a locating support 2, location power device 3, reach and weld a plurality of power device 3 to PCB board 1 on after, a plurality of power device 3's heat dissipation end homoenergetic and the purpose of the contact surface contact of above-mentioned radiator 4.

In one embodiment, the positioning bracket 2 is a plastic part, and the plastic part is an extruded part.

In one embodiment, the plastic part is made of PP, PC, POM, ABS or PMMA.

In the two embodiments, since the positioning bracket 2 on the electronic control board must have good insulation and mechanical strength, it cannot be deformed upon contact, otherwise the positioning purpose cannot be achieved. Since PP, PC, POM, ABS and PMMA plastics have better insulativity and certain mechanical strength and are cheap in manufacturing cost, the plastic is very suitable for being used as the positioning bracket 2. For example, PMMA, commonly known as plexiglass, has good impact resistance, shock resistance and electrical insulation properties. Polyvinyl chloride (PVC) has high mechanical performance and toughness, strong impact resistance and stability to water, acid and alkali, and good insulating property.

In an embodiment, the positioning bracket 2 is provided with a positioning groove 6 and a positioning hole, the positioning groove 6 is a groove body adapted to the power device 3, the positioning hole is a through hole adapted to the connecting end of the power device 3, and the connecting end of the power device 3 penetrates through the positioning hole and is accommodated in the positioning groove 6.

In this embodiment, have a plurality of power device 3 by a same automatically controlled board, a plurality of power device 3 mounted position are inequality, consequently, can set up constant head tank 6 and locating hole on locating support 2 to power device 3's structure, during welding power device 3, only need put into constant head tank 6 and the locating hole rather than the adaptation with power device 3, do not need extra operations such as location, alignment, can carry out welding work, promoted power device 3's assembly efficiency.

In one embodiment, the positioning bracket 2 is fixed to the PCB board 1 by screws 7.

In this embodiment, the positioning bracket 2 needs to be fixed to the PCB board 1 first to have the positioning effect. One way of fixing the positioning bracket 2 to the PCB 1 may be to provide screw holes on the positioning bracket 2 and the PCB 1, and then fix the positioning bracket 2 to the PCB 1 using screws 7.

In one embodiment, the electronic control board further includes a limiting member 5, the limiting member 5 is an elastic member, and when the limiting member 5 is disposed between the power device 3 and the PCB board 1, the limiting member 5 provides an elastic force to the power device 3 toward the heat sink 4.

In this embodiment, the limiting member 5 is disposed between the power device 3 and the PCB board 1, and further limits the power device 3, and provides an elastic force toward the heat sink 4 for the power device 3, so that the contact portion between the power device 3 and the heat sink 4 is tightly attached, and after the contact portion is tightly attached, the heat transfer efficiency can be enhanced as much as possible, and the poor heat dissipation of the power device 3 is avoided.

In one embodiment, the elastic member is a metal spring plate, and the metal spring plate is a bent spring.

In one embodiment, one end of the bent leaf spring is provided with a screw hole, the other end of the bent leaf spring is arranged between the power device 3 and the PCB board 1, and a screw 7 penetrates through the screw hole to adjust the stress height of the end of the bent leaf spring with the screw hole, so as to change the elastic force of the other end to the power device 3.

In the two embodiments, the metal elastic sheet may be a bent sheet spring with a screw hole, and when the bent sheet spring is set, one end of the bent sheet spring may be finely adjusted by the screw 7 to change the magnitude of the elastic force of the other end. For example, one end of a bent leaf spring is arranged between the power device 3 and the PCB 1, the middle part of the bent leaf spring is abutted against the PCB 1 to serve as a fulcrum, one end with a hole is adjusted through a screw 7, and due to the effect of the fulcrum, the stress of one end arranged between the power device 3 and the PCB 1 is changed through the adjustment of the screw 7, so that the effect of changing the elasticity of the bent leaf spring on the power device 3 is achieved, the contact force of the heat radiator 4 and the power device 3 is further adjusted, and the heat radiator 4 is in close contact with the power device 3.

The utility model provides an electric control board, an air conditioner external unit and an air conditioner, wherein the electric control board comprises a PCB (printed circuit board) 1, a positioning bracket 2, a power device 3, a radiator 4 and a limiting part 5; the positioning bracket 2 is fixed on the PCB 1 to position the power device 3; the connecting end of the power device 3 penetrates through the positioning bracket 2 and is welded on the PCB 1, and the heat dissipation end of the power device 3 is connected with a heat radiator 4; the limiting part 5 is arranged between the power device 3 and the PCB board 1, and limits the power device 3 to enable the heat dissipation end of the power device 3 to be attached to the radiator 4. The utility model improves the assembly efficiency of the power device 3 by arranging the positioning bracket 2; through setting up locating part 5, make power device 3 and 4 inseparable laminatings of radiator, improved power device 3's radiating efficiency.

The above only be the preferred embodiment of the utility model discloses a not consequently the restriction the utility model discloses a patent range, all utilize the utility model discloses equivalent structure or equivalent flow transform that description and drawing were done, or direct or indirect application is in other relevant technical field, and all the same reason is included the utility model discloses a patent protection within range.

Claims

1. The electric control board is characterized by comprising a PCB (printed circuit board), a positioning bracket, a power device and a radiator;

2. The electrical control board of claim 1, wherein the positioning bracket is a plastic piece that is an extruded piece.

3. An electrical control board according to claim 2, wherein the plastic part is PP, PC, POM, ABS or PMMA.

4. The electric control board according to claim 1, wherein the positioning bracket is provided with a positioning groove and a positioning hole, the positioning groove is a groove body matched with the power device, the positioning hole is a through hole matched with the connecting end of the power device, and the connecting end of the power device passes through the positioning hole and is accommodated in the positioning groove.

5. An electronic control board according to claim 1, wherein the positioning bracket is fixed to the PCB board by screws.

6. The electrical control board according to claim 1, further comprising a limiting member, wherein the limiting member is an elastic member, and the limiting member provides an elastic force to the power device toward the heat sink when the limiting member is disposed between the power device and the PCB.

7. An electric control board according to claim 6, wherein the elastic member is a metal spring plate, and the metal spring plate is a bent spring.

8. The electrical control board of claim 7, wherein one end of the bent leaf spring is provided with a screw hole, and the other end of the bent leaf spring is arranged between the power device and the PCB board, and a height of the bent leaf spring at the end with the screw hole is adjusted by passing a screw through the screw hole, so as to change an elastic force of the other end to the power device.

9. An outdoor unit for an air conditioner, comprising the electric control panel as claimed in any one of claims 1 to 8.

10. An air conditioner characterized by comprising the outdoor unit of claim 9.