CN210511797U

CN210511797U - Controller and electric appliance

Info

Publication number: CN210511797U
Application number: CN201921477510.2U
Authority: CN
Inventors: 杨海潮; 叶伟林; 林玉绵; 孙娅丽; 贺战; 刘书兴; 孙帅
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-05-12
Anticipated expiration: 2029-09-05

Abstract

The utility model discloses a controller, including the controller box body, the inside of the controller box body is provided with the controller mainboard, the outside of the controller box body is provided with the heat insulating board, wherein, the controller box body includes first casing and second casing, the fixed setting of controller mainboard is in first casing, form between the first side of controller mainboard and the diapire of first casing and seal the cavity, the outside at first casing is established to second casing cover, form the heat dissipation cavity between the second side of controller mainboard and the diapire of second casing, be provided with the radiating groove on the second casing, the radiating groove is linked together with the heat dissipation cavity, in order to realize the heat dissipation of controller mainboard. The utility model also discloses an electrical apparatus of using this controller. The utility model discloses an equipartition has the radiating groove on the controller box body in controller and the electrical apparatus, and the radiating groove on the controller box body is corresponding with the ventilation duct on the electrical apparatus casing, and external environment's air can get into the inside of controller box body, is favorable to the heat dissipation of controller.

Description

Controller and electric appliance

Technical Field

The utility model relates to a domestic appliance field especially relates to a controller and applied electrical apparatus of this controller.

Background

With the improvement of living standard, the traditional kitchen appliances can not meet the trend of people to good life. For the gas stove, besides the basic ignition and flameout functions, other humanized functions can be added, so that the gas stove can meet the diversified requirements of people.

To meet this demand, it is inevitable to add a controller in the gas range. In the existing gas stove with a controller, a controller main board is usually installed in a sealed plastic shell and then fixed on a bottom shell. Therefore, the temperature of the gas stove in the bottom shell is high when the gas stove works, the sealed plastic shell is not beneficial to heat dissipation, the working performance of the controller is influenced to a certain degree by the overhigh temperature, and the controller is damaged in serious cases. In addition, if the opening of the installation shell of the controller is too large, foreign matters such as mice or insects can not be effectively prevented from entering the installation shell to damage the controller.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can solve controller and electrical apparatus of the inside heat dissipation problem of controller well.

In order to achieve the above object, the specific technical solution of the controller and the electrical appliance of the present invention is:

the controller comprises a controller box body, wherein a controller mainboard is arranged inside the controller box body, and a heat insulation plate is arranged outside the controller box body, wherein the controller box body comprises a first shell and a second shell, the controller mainboard is fixedly arranged in the first shell, a closed cavity is formed between a first side face of the controller mainboard and the bottom wall of the first shell, the second shell is sleeved outside the first shell, a heat dissipation cavity is formed between a second side face of the controller mainboard and the bottom wall of the second shell, a heat dissipation groove is arranged on the second shell and communicated with the heat dissipation cavity, and therefore heat dissipation of the controller mainboard is achieved.

Further, the inside holding tank that is formed with of first casing, the shape of the inside holding tank of first casing and the shape phase-match of controller mainboard are provided with the spliced pole in the holding tank, and the controller mainboard sets up on the spliced pole to form between the first side of controller mainboard and the diapire of holding tank and seal the cavity.

Further, the heat dissipation groove is provided on the bottom wall of the second housing.

Furthermore, a first wire passing groove is formed in the first shell, a second wire passing groove is formed in the second shell, the first wire passing groove and the second wire passing groove are overlapped to form a wire passing notch after the second shell is sleeved outside the first shell, and the wire passing notch is located on the side wall of the heat dissipation cavity.

Further, a protective layer is arranged on the second side face of the controller main board to reduce accumulation of foreign matters on the second side face of the controller main board.

Furthermore, the bottom surface of the first shell is in contact with the heat insulation plate, and the second shell is sleeved outside the first shell and then connected with the heat insulation plate, so that the first shell is positioned between the heat insulation plate and the second shell.

An electrical appliance comprising a controller as claimed in any preceding claim.

Further, the electrical appliance shell is provided with a heat insulation box, and the controller is arranged in an inner cavity of the heat insulation box.

Furthermore, the heat insulation box comprises a first opening and a second opening, the heat insulation plate on the controller is arranged at the first opening of the heat insulation box so as to seal the first opening, the second opening of the heat insulation box is arranged towards the electric appliance shell, a ventilation groove is arranged on the electric appliance shell corresponding to the second opening, and the ventilation groove is communicated with the inner cavity of the heat insulation box.

Furthermore, one side of the first opening of the heat insulation box is fixedly connected with a heat insulation plate on the controller, and the other side of the first opening of the heat insulation box is inserted between the heat insulation plate and the controller box body.

Further, the electric appliance is a gas stove.

The utility model discloses a controller and electrical apparatus have following advantage:

1) the controller box body is uniformly provided with heat dissipation grooves, the heat dissipation grooves on the controller box body correspond to the ventilation grooves on the electric appliance shell, and air in an external environment can enter the interior of the controller box body, so that the heat dissipation of the controller is facilitated;

2) the controller is placed for electrical apparatus casing is the inverse hanging, and the controller surface scribbles the one deck protective oil, can play protection against rodents protection against insects' effect.

Drawings

Fig. 1 is an exploded view of the controller of the present invention;

fig. 2 is a schematic view of the installation of a controller motherboard in the controller of the present invention;

fig. 3 is a schematic view illustrating an installation of a controller box in the controller of the present invention;

fig. 4 is a bottom view of the controller of the present invention;

fig. 5 is an installation diagram of the controller of the present invention;

fig. 6 is a sectional view of the controller according to the present invention;

FIG. 7 is a first enlarged view of a portion of FIG. 6;

fig. 8 is a second partial enlarged view of fig. 6.

Detailed Description

For better understanding of the purpose, structure and function of the present invention, the following description will be made in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the controller of the present invention includes a controller box, a controller motherboard 20 is disposed inside the controller box, and a heat insulation board 30 is disposed outside the controller box. The controller mainboard 20 is a core component of the controller and is used for realizing the personalized function of the electric appliance; the controller box body is a protection component of the controller and is used for realizing basic protection on the controller mainboard 20; the heat shield 30 is an auxiliary protection component of the controller, and is used for realizing heat protection of the controller main board 20.

Specifically, in the present embodiment, the controller box includes a first housing 11 and a second housing 12, wherein the controller main board 20 is fixedly disposed in the first housing 11, and a closed chamber is formed between a first side surface of the controller main board 20 and a bottom wall of the first housing 11; the second housing 12 is sleeved outside the first housing 11, and a heat dissipation chamber is formed between the second side surface of the controller motherboard 20 and the bottom wall of the second housing 12. Preferably, the first housing 11 and the second housing 12 are snap-fit connected, as shown in fig. 3, but of course, the first housing 11 and the second housing 12 may be connected in other ways as long as they can be fixed to each other.

Further, the first housing 11 is formed with an accommodating groove therein, the shape of the accommodating groove in the first housing 11 matches with the shape of the controller main board 20, and the controller main board 20 is fixedly disposed in the accommodating groove. As shown in fig. 1 and fig. 2, in the present embodiment, two supporting columns 13 and two screw columns 14 are disposed in the accommodating tank, the two supporting columns 13 and the two screw columns 14 are respectively distributed at diagonally opposite corners of the accommodating tank, and the controller main board 20 is disposed on the supporting columns 13 and the screw columns 14, so as to form a closed chamber between the first side surface of the controller main board 20 and the bottom wall of the accommodating tank, where the closed chamber can prevent foreign matter from entering the controller box body and damaging the controller main board 20.

Further, a heat dissipation groove 15 is disposed on the second housing 12, and the heat dissipation groove 15 is communicated with the heat dissipation chamber to dissipate heat of the controller motherboard 20. As shown in fig. 1 and 4, in this embodiment, a plurality of heat dissipation grooves 15 with the same size and shape are uniformly distributed on the bottom wall of the second housing 12, and the heat dissipation grooves 15 enable outside air to enter the controller box body to dissipate heat of the controller motherboard 20.

In addition, it is preferable that a protective layer (not shown) may be further provided on the second side of the controller board 20 to reduce the accumulation of foreign matters on the second side of the controller board 20. Wherein the protective layer may be formed by painting protective oil on the second side of the controller main board 20.

Further, as shown in fig. 1 and 3, a first wire passing groove 16 is disposed on the first housing 11, a second wire passing groove 17 is disposed on the second housing 12, the first wire passing groove 16 and the second wire passing groove 17 are overlapped to form a wire passing groove opening after the second housing 12 is sleeved outside the first housing 11, and the wire passing groove opening is located on a side wall of the heat dissipation chamber, so as to facilitate passing of wires of the controller main board 20.

Further, the heat insulation plate 30 contacts with the bottom surface of the first casing 11, and the second casing 12 is sleeved outside the first casing 11 and then connected with the heat insulation plate 30, so that the first casing 11 is located between the heat insulation plate 30 and the second casing 12. As shown in fig. 1 and 4, in the present embodiment, four screw mounting lugs 18 are disposed on two sides of the second housing 12, and the second housing 12 and the heat shield 30 can be connected by four screws.

As shown in fig. 1 to 4, the installation process of the controller of the present invention is:

firstly, the controller main board 20 is placed in the receiving groove of the first housing 11, the two supporting columns 13 in the receiving groove can play a role in positioning when the controller main board 20 is placed, the controller main board 20 and the two screw columns 14 are locked by two screws at diagonal positions, and the second side surface of the controller main board 20 is flush with the bottom edge of the first wire passing groove 16 on the first housing 11 after locking.

Then, the second housing 12 is sleeved outside the first housing 11, and the second housing 12 and the first housing 11 are fixedly connected by a buckle, after the buckle is fastened, the bottom surface of the first housing 11 is flush with the opening edge of the second housing 12, and the first wire passing groove 16 on the first housing 11 and the second wire passing groove 17 on the second housing 12 are overlapped to form a wire passing notch.

Finally, the second housing 12 is fixedly connected to the heat shield 30 by four screws to form a complete controller.

The following briefly describes the usage of the controller of the present invention in an electrical appliance with reference to fig. 5 to 8. Wherein, the controller of the utility model can be applied to various household appliances, such as a gas stove, a water heater, an electric stove and the like.

Specifically, as shown in fig. 5 and 6, the electrical appliance housing 40 is provided with a heat insulation box 50, and the controller is provided in an inner chamber of the heat insulation box 50. Wherein, the heat insulation box 50 comprises a first opening and a second opening, and the heat insulation board 30 on the controller is arranged at the first opening of the heat insulation box 50 to close the first opening; the second opening of the heat insulation box 50 is disposed toward the electrical casing 40, and a ventilation groove (not shown) is disposed on the electrical casing 40 at a position corresponding to the second opening, and the ventilation groove is communicated with the internal cavity of the heat insulation box 50 to introduce external air into the heat insulation box 50 to dissipate heat of the controller.

Further, as shown in fig. 7 and 8, one side of the first opening of the heat insulation box 50 is fixedly connected to the heat insulation board 30 on the controller by a screw, and the other side of the first opening of the heat insulation box 50 is inserted into a gap between the heat insulation board 30 and the bottom surface of the first housing 11, so that the heat insulation board 30 on the controller closes the first opening of the heat insulation box 50, the controller is in a relatively closed environment formed by the heat insulation board 30 and the heat insulation box 50, and the external air is introduced only through the second opening of the heat insulation box 50.

The utility model discloses a controller and electrical apparatus are through setting up the ventilation groove that dispels the heat on second casing and electrical apparatus casing, and the air of external environment can get into the controller box internal portion, is favorable to the controller heat dissipation, guarantees that the surface temperature of gas-cooker during operation controller mainboard can not be too high, dispels the heat in the ventilation groove can guarantee again that bulky mouse or worm can not get into in the control box simultaneously. In addition, through installing the controller on the electrical apparatus casing upside down to scribble the protection oil on the surface of controller mainboard, can also make the excrement of small worm can not pile up on the controller mainboard, prevent to cause the destruction to the controller mainboard.

The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.

Claims

1. The controller is characterized in that the controller box body comprises a first shell and a second shell, the controller mainboard is fixedly arranged in the first shell, a closed cavity is formed between a first side face of the controller mainboard and the bottom wall of the first shell, the second shell is sleeved outside the first shell, a heat dissipation cavity is formed between a second side face of the controller mainboard and the bottom wall of the second shell, a heat dissipation groove is formed in the second shell and communicated with the heat dissipation cavity, and therefore heat dissipation of the controller mainboard is achieved.

2. The controller of claim 1, wherein the first housing has a receiving groove formed therein, the receiving groove in the first housing has a shape matching a shape of the controller board, the receiving groove has a connecting post disposed therein, and the controller board is disposed on the connecting post to form a closed chamber between the first side of the controller board and a bottom wall of the receiving groove.

3. The controller of claim 1, wherein the heat sink is disposed on a bottom wall of the second housing.

4. The controller of claim 1, wherein the first housing has a first wire passing groove, the second housing has a second wire passing groove, the second housing is sleeved outside the first housing, and the first wire passing groove and the second wire passing groove are overlapped to form a wire passing notch, and the wire passing notch is located on a side wall of the heat dissipation chamber.

5. The controller according to claim 1, wherein a protective layer is provided on the second side of the controller board to reduce accumulation of foreign matter on the second side of the controller board.

6. The controller according to any one of claims 1 to 5, wherein the bottom surface of the first housing is in contact with a heat insulating plate, and the second housing is fitted around the outside of the first housing and then connected to the heat insulating plate so that the first housing is located between the heat insulating plate and the second housing.

7. An electrical appliance comprising a controller as claimed in any one of claims 1 to 6.

8. The appliance according to claim 7, wherein a thermally insulated box is provided on the appliance housing, the controller being disposed in an interior chamber of the thermally insulated box.

9. The electrical appliance according to claim 8, wherein the heat insulation box comprises a first opening and a second opening, the heat insulation board on the controller is arranged at the first opening of the heat insulation box to close the first opening, the second opening of the heat insulation box is arranged towards the electrical appliance shell, a ventilation groove is arranged on the electrical appliance shell at a position corresponding to the second opening, and the ventilation groove is communicated with the inner cavity of the heat insulation box.

10. The electrical appliance according to claim 9, wherein one side of the first opening of the heat insulation box is fixedly connected with the heat insulation board on the controller, and the other side of the first opening of the heat insulation box is inserted between the heat insulation board and the controller box body.

11. The electric appliance according to any of the claims 7 to 10, characterized in that the electric appliance is a gas range.