CN220013107U - Electric control box and washing machine - Google Patents

Abstract

The utility model discloses an electric control box and a washing machine, comprising a bottom box, a box cover, a circuit board, a radiator and a fan; the bottom box is a box body with one side open and comprises a first opening; the circuit board is fixed in the bottom box and comprises a heating element; the radiator is fixedly connected with the circuit board, is arranged close to the heating element and is used for radiating heat for the heating element; the fan is fixedly connected with the radiator; the box cover is a box body with one side open and comprises a second opening and a second side plate; the second opening is in installation fit with the first opening, and is installed together to form an internal accommodating space; the circuit board, the radiator and the fan are positioned in the accommodating space; and a first ventilation opening and a second ventilation opening are respectively arranged on the second side plate corresponding to the fan. The fan is designed in the electric control box and is fixedly connected with the radiator, so that the power and the volume of the fan are reduced, the cost is reduced, and the radiating efficiency is improved.

Description

Electric control box and washing machine

Technical Field

The utility model belongs to the technical field of washing machines, and particularly relates to an electric control box and a washing machine.

Background

At present, with the upgrading of washing equipment, a washing machine with a drying function and multi-mode operation enters a common household; the drying function and the multi-mode operation require frequent changes in the rotational speed of the motor, or some operation modes require operation at lower rotational speeds; the motor is generally configured with components such as a frequency converter and the like for variable speed operation, and generates a large amount of heat.

The heat dissipation of the electric control box including the high-heat device is generally realized by arranging a fan outside the electric control box, and the fan arranged outside the electric control box needs larger power due to the requirement of the protection function of the electric control box, so that the cost is increased.

Disclosure of Invention

The utility model provides an electric control box and a washing machine, which are characterized in that a fan is arranged in the electric control box, so that the heat dissipation efficiency is improved, the power of the fan is reduced, and the cost is reduced.

In order to solve the technical problems, the utility model is realized by adopting the following technical scheme:

an electric control box comprises a bottom box, a box cover, a circuit board, a radiator and a fan;

the bottom box is a box body with one side open and comprises a first opening, a bottom plate and a first side plate;

the circuit board is fixed in the bottom box and comprises a heating element;

the radiator is fixedly connected with the circuit board, is arranged close to the heating element and is used for radiating heat for the heating element;

the fan is fixedly connected with the radiator;

the box cover is a box body with one side open and comprises a second opening, a top plate and a second side plate; the second opening is in installation fit with the first opening and is installed together to form an internal accommodating space; the circuit board, the radiator and the fan are positioned in the accommodating space; and a first ventilation opening and a second ventilation opening are respectively arranged on the second side plate corresponding to the fan.

In a specific embodiment, the heat sink includes a mounting portion and a heat dissipating portion; one side of the mounting part is in close contact connection with the heating element; the heat dissipation part comprises a plurality of fins which are fixedly connected with the other side of the heat dissipation part;

the fan is positioned at one end of the radiator, is fixedly connected with the radiating part and the mounting part and corresponds to the gap between the fins.

In a specific embodiment, the outer side edge of at least one fin located at the outer side is provided with a first groove along the length direction of the fin;

a first screw hole is formed in one end of the first groove and is an open screw hole;

at least one flange is arranged on one side of the mounting part opposite to the heat dissipation part along the length direction of the mounting part; a second groove along the length direction of the flange is formed in the flange; a second screw hole is formed in the same end of the second groove as the first screw hole;

the fan is square, and at least two corners of four corners of the fan are fixedly connected with the first screw hole and the second screw hole through screws respectively.

In a specific embodiment, the first vent comprises a plurality of laterally disposed first louvers and the second vent comprises a plurality of laterally disposed second louvers; the first grating and the second grating are of flat plate structures and are obliquely arranged from inside to outside in the top-to-bottom direction; the inner side edge and the outer side edge of each first grating are respectively corresponding to each other; the inner side edge and the outer side edge of each second grid respectively correspond to each other.

In a specific embodiment, a third air vent is arranged on the top plate at a position corresponding to the radiator, and the third air vent comprises a plurality of third gratings which are transversely arranged; each third grid is of a long flat plate structure and is obliquely arranged from inside to outside in the top-to-bottom direction; the inner side edge and the outer side edge of each third grid are respectively corresponding to each other.

In a specific embodiment, the circuit board comprises at least one connection terminal with an interface towards the top plate;

a third opening is formed on the box cover at a position corresponding to each wiring terminal and used for plugging wiring; the peripheral edge of the third opening is provided with a protective edge which protrudes outwards and/or protrudes inwards and is of a plate structure; the protective edges in the transverse direction have the same inclination tendency as the first, second and third gratings.

In some specific embodiments, a plurality of first clamping structures are arranged on the outer side of the first side plate; the second side plate is provided with second clamping structures which are matched with the first clamping structures in a clamping way at positions corresponding to the first clamping structures; the first clamping structure and the second clamping structure which correspond to each other are clamped, so that the bottom box is fixedly connected with the box cover.

In some specific embodiments, at least one hooking structure is provided on the outside of the bottom plate for hooking in the washing machine housing;

the second side plate is provided with a third clamping structure for being clamped with a fourth clamping structure arranged in the washing machine shell.

In some specific embodiments, the second snap-in structure is a bayonet extending from the second side plate to the first side plate; the third clamping structure is a bayonet extending outwards from the edge of the second opening; the first clamping structure is a buckle with a guiding structure.

A washing machine comprises the electric control box.

Compared with the prior art, the utility model has the advantages and positive effects that: the electric control box and the washing machine comprising the same design the fan inside the accommodating space of the electric control box and are fixedly connected with the radiator, so that the power and the volume of the fan are reduced, the cost is reduced, and the radiating efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an embodiment of an electronic control box according to the present utility model;

fig. 2 is an exploded view of an angle of the embodiment of the electronic control box of fig. 1;

fig. 3 is a schematic view of an exploded view of an embodiment of the electronic control box of fig. 1 at another angle;

fig. 4 is an exploded view of a third angle of the embodiment of the electronic control box of fig. 1;

FIG. 5 is a schematic view of another angular configuration of an embodiment of an electrical control box according to the present utility model;

fig. 6 is a schematic structural view of the circuit board.

In the drawing the view of the figure,

1. a bottom box; 2. a box cover; 3. a circuit board; 4. a heat sink; 5. a blower; 11. a bottom plate; 12. a first side plate; 13. a first opening; 14. a first clamping structure; 15. a hitching structure; 16. a boss; 21. a top plate; 22. a second side plate; 23. a second opening; 24. a second clamping structure; 25. a third clamping structure; 211. a third vent; 212. a third grid; 213. a third opening; 214. a protective edge; 215. a wire clamp; 221. a first vent; 222. a second vent; 223. a first grid; 224. a second grid; 31. a heating element; 32. a connection terminal; 41. a mounting part; 42. a heat dissipation part; 43. a flange; 421. a fin; 422. a first groove; 423. a first screw hole; 431. a second groove; 432. and a second screw hole.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Referring to fig. 1, 2, 3, 4, 5 and 6, the utility model discloses an electric control box and a washing machine comprising the same.

The electric control box comprises a bottom box 1, a box cover 2, a circuit board 3, a radiator 4 and a fan 5; the bottom box 1 is a box body with one side open and comprises a bottom plate 11, a first side plate 12 and a first opening 13; the circuit board 3 is fixed in the bottom case 1, and includes a heating element 31.

The radiator 4 is fixedly connected with the circuit board 3, is closely attached to the heating element 31, and is used for radiating heat for the heating element 31. The fan 5 is fixedly connected with the radiator 4, and is used for assisting the radiator 4 in radiating and accelerating the radiator 4 to radiate.

The box cover 2 is a box body with one side open and comprises a top plate 21, a second side plate 22 and a second opening 23; the second opening 23 is in installation fit with the first opening 13, and the first opening 13 is connected with the second opening 23, so that the bottom box 1 and the box cover 2 are installed together to form an inner accommodating space; the circuit board 3, the radiator 4 and the fan 5 are positioned in the accommodating space; the second side plate 22 is provided with a first ventilation opening 221 and a second ventilation opening 222 corresponding to the air inlet and outlet directions of the fan 5, so as to form a heat dissipation air path and accelerate heat dissipation of the radiator 4.

According to the electric control box and the washing machine, the fan 5 is arranged in the electric control box, so that air in the electric control box flows through the fan 5 with smaller power, the power of the fan 5 is reduced, the size of the fan 5 is reduced, and the cost is reduced; in addition, fan 5 sets up in automatically controlled box, to the air direct drive circulation in the automatically controlled box, improves radiating efficiency.

The specific structure and principle of the electric control box and the washing machine of the present utility model will be described in detail by means of specific embodiments.

In a specific embodiment of the electronic control box, referring to fig. 1, 2, 3, 4, 5 and 6, the heat sink 4 includes a mounting portion 41 and a heat dissipating portion 42; one side of the mounting part 41 is closely connected with the heating element 31 to conduct heat generated by the heating element 31; the heat dissipation portion 42 includes a plurality of fins 421 fixedly connected to the other side of the heat dissipation portion 42 for dissipating the conducted heat.

The fan 5 is located at one end of the radiator 4, is fixedly connected with the radiating portion 42 and the mounting portion 41, corresponds to the gaps between the fins 421, accelerates the air circulation in the gaps between the fins 421, and accelerates the heat dissipation.

The embodiment of the washing machine comprises the structure of the embodiment of the electric control box, and the heat dissipation efficiency is improved.

In a specific embodiment of the electronic control box, referring to fig. 1, 2, 3, 4, 5 and 6, the mounting portion 41 of the heat sink 4 is vertically disposed opposite to the circuit board 3, and extends along the circuit board 3 in the length direction, and is in close contact with the heating element 31 disposed in a plugging manner; the heat dissipation channels formed by the fins 421 of the heat dissipation portion 42 extend along the circuit board 3; the fan 5 is arranged at the end part to accelerate the ventilation in the heat dissipation channel.

Embodiments of the washing machine include the structure of the embodiment of the electronic control box described above.

In a specific embodiment of the electronic control box, referring to fig. 1, 2, 3, 4, 5, and 6, the connection structure between the fan 5 and the radiator 4 is specifically as follows. The outer edge of at least one of the fins 421 located at the outer side is formed with a first groove 422 along the length of the fin 421; a first screw hole 423, which is an open screw hole, is provided at one end of the first groove 422.

At least one flange 43 is provided along the longitudinal direction of the mounting portion 41 on one side of the mounting portion 41, i.e., on the side of the mounting portion 41 opposite to the heat dissipation portion 42; the flange 43 is provided with a second groove 431 along the length direction of the flange 43; the second groove 431 is provided at the same end as the first screw hole 423 with a second screw hole 432.

The fan 5 comprises a square shell, and the four corners of the square shell are provided with through holes; the first groove 422 and the second groove 431 respectively correspond to four corners of the shell of the fan 5, and are respectively connected with the corresponding first screw hole 423 and the corresponding second screw hole 432 through a plurality of screws to realize the fixed connection of the fan 5 and the radiator 4.

Embodiments of the washing machine include the structure of the embodiment of the electronic control box described above.

In a specific embodiment of the electronic control box, referring to fig. 1, 2, 3, 4, 5, and 6, the first ventilation opening 221 includes a plurality of first gratings 223 disposed in a lateral direction; the second through-hole aperture includes a plurality of laterally disposed second gratings 224; the first grids 223 and the second grids 224 are of flat plate structures, so that when the electric control box is arranged in the washing machine, the first grids 223 and the second grids 224 incline from inside to outside in the direction from top to bottom, and each first grid 223 is vertically distributed, and each second grid 224 is vertically distributed; the inner side edges and the outer side edges of the first gratings 223 correspond to each other, respectively; the inner side edge and the outer side edge of each second grille 224 are respectively corresponding to each other, so that the water drops falling on the first grille 223 and the second grille 224 fall along the inclined surfaces of the first grille 223 and the second grille 224 facing the outer side of the electric control box, and the waterproof performance is improved.

Embodiments of the washing machine include the structure of the embodiment of the electronic control box described above.

In a specific embodiment of the electronic control box, referring to fig. 1, 2, 3, 4, 5 and 6, a third ventilation opening 211 is provided on the top plate 21 at a position corresponding to the radiator 4, and includes a plurality of third gratings 212 disposed transversely; each third grating 212 is of an elongated flat plate structure; when the electric control box is installed in the washing machine, each third grille 212 is obliquely arranged from inside to outside in the direction from top to bottom, and the inner side edge and the outer side edge of each third grille 212 are respectively corresponding to each other, so that water drops falling on each third grille 212 fall on the outer side of the electric control box along the inclined surface of each third grille 212, and the waterproof performance is improved.

Embodiments of the washing machine include the structure of the embodiment of the electronic control box described above.

In a specific embodiment of the electrical control box, referring to fig. 1, 2, 3, 4, 5, 6, the circuit board 3 comprises at least one terminal 32, the interface of which is directed towards the top plate 21.

A third opening 213 is formed in the top plate 21 at a position corresponding to each connection terminal 32 for plugging connection; a protective edge 214 which is outwards convex or outwards convex and inwards convex is arranged at the peripheral edge of the third opening 213 and is a plate structure; when the electric control box is fixed in the washing machine, at least the protective edge 214 in the lower transverse direction has the same inclination trend as the first grille 223, the second grille 224 and the third grille 212, so that the water drops dropping on the protective edge 214 slide to the outer side of the electric control box along the inclined plane of the protective edge 214, thereby improving the waterproof performance of the electric control box while facilitating the electric control plug-in wire.

Embodiments of the washing machine include the structure of the embodiment of the electronic control box described above.

In a specific embodiment of the electronic control box, referring to fig. 1, 2, 3, 4, 5 and 6, a wire clip 215 is disposed on the outer side of the top plate 21 for fixing the wire connected to the wire connection terminal 32, thereby improving the aesthetic appearance and safety.

Embodiments of the washing machine include the structure of the embodiment of the electronic control box described above.

In a specific embodiment of the electronic control box, referring to fig. 1, 2, 3, 4, 5 and 6, a plurality of first clamping structures 14 are disposed on the outer side of the first side plate 12; the second side plate 22 is respectively provided with a second clamping structure 24 which is matched with the first clamping structure 14 in a clamping way at the position corresponding to each first clamping structure 14; each first clamping structure 14 is clamped with the corresponding second clamping structure 24, so that the box cover 2 and the bottom box 1 are fixedly connected together.

Embodiments of the washing machine include the structure of the embodiment of the electronic control box described above.

The electric control box and the washing machine of the embodiment enable the bottom box 1 to be fixedly connected with the box cover 2 through clamping, and assembly efficiency is improved.

In a specific embodiment of the electronic control box, referring to fig. 1, 2, 3, 4, 5, and 6, the first clamping structure 14 is a buckle with a guiding structure; the second clamping structure 24 is a bayonet matched with the first clamping structure 14 in a clamping way. That is, the second clamping structure 24 is a frame body with a through hole; the first clamping structure 14 is a clamping body with a guiding inclined plane to a connecting plane.

Embodiments of the washing machine include the structure of the embodiment of the electronic control box described above.

In a specific embodiment of the electric control box, referring to fig. 1, 2, 3, 4, 5 and 6, at least one hanging structure 15 is provided on the outside of the bottom plate 11 for hanging in the washing machine housing.

A third engaging structure 25 is formed on the second side plate 22 for engaging with a fourth engaging structure provided in the housing of the washing machine.

Embodiments of the washing machine include the structure of the embodiment of the electronic control box described above.

In a specific embodiment of the electronic control box, referring to fig. 1, 2, 3, 4, 5 and 6, the hanging structure 15 is a hook, which is located at the lower or middle portion of the base plate 11.

The third clamping structure 25 is a frame body with a through hole outwards from the second side plate 22, and is used for clamping the fourth clamping structure on the washing machine after the hanging structure 15 is arranged in the washing machine shell, so that the electric control box is fixed in the washing machine.

Embodiments of the washing machine include the structure of the embodiment of the electronic control box described above.

The electric control box and the washing machine of the embodiment are fixed in the washing machine in a hanging and clamping mode, and the installation efficiency of the electric control box is improved.

In a specific embodiment of the electronic control box, referring to fig. 1, 2, 3, 4, 5 and 6, screw holes are provided on the bottom plate 11 for fixedly connecting with the washing machine by screws.

Preferably, the screw holes are provided on bosses 16 protruding to the outside of the bottom plate 11.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. An electronic control box, characterized by comprising:

the bottom box is a box body with one side open and comprises a first opening, a bottom plate and a first side plate;

the circuit board is fixed in the bottom box and comprises a heating element;

the radiator is fixedly connected with the circuit board, is arranged close to the heating element and is used for radiating heat for the heating element;

the fan is fixedly connected with the radiator;

the box cover is a box body with one side open and comprises a second opening, a top plate and a second side plate; the second opening is in installation fit with the first opening and is installed together to form an internal accommodating space; the circuit board, the radiator and the fan are positioned in the accommodating space; and a first ventilation opening and a second ventilation opening are respectively arranged on the second side plate corresponding to the fan.

2. The electronic control box according to claim 1, wherein the heat sink comprises a mounting portion and a heat dissipating portion; one side of the mounting part is in close contact connection with the heating element; the heat dissipation part comprises a plurality of fins which are fixedly connected with the other side of the heat dissipation part;

the fan is positioned at one end of the radiator, is fixedly connected with the radiating part and the mounting part and corresponds to the gap between the fins.

3. The electronic control box according to claim 2, wherein an outer side edge of at least one of the fins located at an outer side is provided with a first groove along a length direction of the fin;

a first screw hole is formed in one end of the first groove and is an open screw hole;

at least one flange is arranged on one side of the mounting part opposite to the heat dissipation part along the length direction of the mounting part; a second groove along the length direction of the flange is formed in the flange; a second screw hole is formed in the same end of the second groove as the first screw hole;

the fan is square, and at least two corners of four corners of the fan are fixedly connected with the first screw hole and the second screw hole through screws respectively.

4. The electronic control box of claim 3, wherein the first vent comprises a plurality of laterally disposed first louvers and the second vent comprises a plurality of laterally disposed second louvers; the first grating and the second grating are of flat plate structures and are obliquely arranged from inside to outside in the top-to-bottom direction; the inner side edge and the outer side edge of each first grating are respectively corresponding to each other; the inner side edge and the outer side edge of each second grid respectively correspond to each other.

5. The electronic control box according to claim 4, wherein a third vent is provided on the top plate at a position corresponding to the radiator, and includes a plurality of third gratings disposed laterally; each third grid is of a long flat plate structure and is obliquely arranged from inside to outside in the top-to-bottom direction; the inner side edge and the outer side edge of each third grid are respectively corresponding to each other.

6. The electrical control box of claim 5, wherein the circuit board includes at least one terminal with an interface directed toward the top plate;

a third opening is formed on the box cover at a position corresponding to each wiring terminal and used for plugging wiring; the peripheral edge of the third opening is provided with a protective edge which protrudes outwards and/or protrudes inwards and is of a plate structure; the protective edges in the transverse direction have the same inclination tendency as the first, second and third gratings.

7. The electronic control box according to any one of claims 1 to 6, wherein a plurality of first clamping structures are arranged on the outer side of the first side plate; the second side plate is provided with second clamping structures which are matched with the first clamping structures in a clamping way at positions corresponding to the first clamping structures; the first clamping structure and the second clamping structure which correspond to each other are clamped, so that the bottom box is fixedly connected with the box cover.

8. The electronic control box of claim 7, wherein at least one hooking structure is provided on the outside of the base plate for hooking in the washing machine housing;

the second side plate is provided with a third clamping structure for being clamped with a fourth clamping structure arranged in the washing machine shell.

9. The electrical control box of claim 8, wherein the second snap feature is a bayonet extending from the second side plate to the first side plate; the third clamping structure is a bayonet extending outwards from the edge of the second opening; the first clamping structure is a buckle with a guiding structure.

10. A washing machine comprising an electrically controlled cabinet according to any one of claims 1 to 9.