KR102218304B1 - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator including a printed circuit board, a control box accommodating the printed circuit board therein, wires passing through the control box and connected to the printed circuit board, and a wire holder that holds the wires and is mounted on the control box. Regarding, some sections of the electric wires are stably installed in the control box through the electric wire holder.

Description

Refrigerator {REFRIGERATOR}

The present invention relates to a refrigerator having a control box in which a printed circuit board for control is accommodated.

BACKGROUND In general, a refrigerator is a device that includes refrigeration cycle components therein to freeze or refrigerate storage stored therein with cold generated from an evaporator of a refrigeration cycle.

Such a refrigerator includes a main body provided with a storage compartment for storing stored objects and a door for opening and closing the storage compartment, and a control box including a printed circuit board for controlling the operation of the refrigerator is buried at the rear side of the main body.

An aspect of the present invention provides a refrigerator in which some sections of wires can be fixedly installed in a control box more simply.

In addition, an aspect of the present invention provides a refrigerator capable of inhibiting the molten resin from flowing into the control box in the process of forming a heat insulating member by injecting a molten resin between the outer and inner cases of the main body.

A refrigerator according to an aspect of the present invention includes a printed circuit board, a control box that is open on one side to accommodate a printed circuit board therein, wires connected to the printed circuit board through the control box, and the wires. It holds and includes a wire holder mounted on the control box.

In addition, a first holding part and a second holding part which are combined with each other to form a wire installation hole in which the wires are installed, and the first holding part includes a first wire installation groove formed in a semicircular shape, and the second The holding part is formed in a semicircular shape and includes a second wire installation groove forming the wire installation hole together with the first wire installation groove.

In addition, the electric wire holder includes a guide portion having the electric wires disposed therein and protruding outwardly through the control box, and the control box is provided in a through hole disposed through the guide portion and adjacent to the through groove. It includes a holder mounting portion to which the wire holder is mounted.

In addition, the wire holder includes a connection portion connecting the first holding portion and the second holding portion, and the first holding portion and the second holding portion are coupled and separated while rotating around the connection portion.

In addition, the first holding part includes at least one locking protrusion that is caught by the second holding part, and the second holding part includes at least one locking groove through which the at least one locking protrusion is caught and supported.

In addition, the first holding portion and the second holding portion are mounted in the holder mounting portion, and the wire holder is provided on the other side of the first holding portion and the second holding portion, and a first locking jaw and a second locking portion are caught by the holder mounting portion. Includes the chin.

In addition, the wire holder includes a guide portion extending from a portion adjacent to the wire installation hole and protruding through the control box.

In addition, the guide portion is formed by a first guide portion extending from an adjacent portion of the first holding groove of the first holding portion and a second guide portion extending from an adjacent portion of the second holding groove of the second holding portion.

In addition, the electric wire holder includes at least one guide groove for allowing the molten resin introduced through the electric wire installation hole to move along the surface of the electric wire holder.

As described above, in the refrigerator according to an aspect of the present invention, some sections of the wires are simply fixed to the control box by installing wires to the wire holders and then mounting the wire holders to the control box.

In addition, since some sections of the wires are attached to and fixed to the guide portion through an adhesive tape, a space in which molten resin can be introduced is reduced, thereby reducing the amount of molten resin flowing into the control box.

1 is a cross-sectional view of a refrigerator according to an embodiment of the present invention.
2 is a rear perspective view showing an installation state of a control box in a refrigerator according to an embodiment of the present invention.
3 is an exploded perspective view of a control box and an electric wire holder in a refrigerator according to an embodiment of the present invention.
4 is a perspective view illustrating a state in which a first holding unit and a second holding unit are coupled in a wire holder applied to a refrigerator according to an embodiment of the present invention.
5 is a perspective view illustrating a state in which a first holding unit and a second holding unit are separated in a wire holder applied to a refrigerator according to an exemplary embodiment of the present invention.
6 is a side view of a wire holder applied to a refrigerator according to an embodiment of the present invention.
7 is a perspective view showing the inner side of the wire holder applied to the refrigerator according to an embodiment of the present invention.
8 is a perspective view illustrating a state in which electric wires are taped to a guide portion by an adhesive tape in the electric wire holder applied to the refrigerator according to an embodiment of the present invention.

Hereinafter, a three-dimensional image refrigerator according to an embodiment of the present invention will be described in detail with reference to the drawings.

As shown in Fig. 1, the refrigerator according to the present invention forms the exterior and has a main body 10 provided with a storage chamber 10a for storing storage therein, and one end is rotatably installed on the main body 10. It includes a door 20 that rotates and opens and closes the storage chamber 10a.

In the main body 10, a compressor 11 for compressing the refrigerant, a condenser (not shown) for cooling the refrigerant by heat exchange with air outside the main body 10, and an expansion valve (not shown) for allowing the refrigerant to expand under reduced pressure. ), and refrigeration cycle components such as an evaporator 12 that generates cool air by absorbing heat from the air inside the storage chamber 10a and the refrigerant evaporates, so that the cold air generated from the evaporator 12 goes to the storage chamber 10a. By being supplied, the storage material stored in the storage chamber 10a is maintained at a low temperature.

The main body 10 includes an outer case 101 forming its exterior, an inner case 102 forming a storage chamber, and filling the space between the outer case and the inner case, and insulation between the outer case 101 and the inner case 102 Insulation member 103 is disposed for. At this time, the heat insulating member 103 is formed of urethane or the like, and is formed by injecting and solidifying a molten resin between the outer case 101 and the inner case 102 in a combined state of the outer case 101 and the inner case 102.

At the lower rear side of the main body 10, a machine room 10b in which a compressor 11, a condenser, and an expansion valve are installed is provided, and a cooling chamber 10c in which an evaporator 12 is disposed at the rear side of the storage room 10a Is prepared.

In addition, a control box 20 in which several printed circuit boards 22 for controlling the operation of the refrigerator are embedded is disposed on the upper and rear side of the main body 10.

As shown in Figs. 2 and 3, the control box 20 has one side open so that the printed circuit boards 22 can be disposed therein, and the open side of the control box 20 has a cover 21 ) Is installed to cover the printed circuit board 22 installed therein. In this embodiment, since the control box 20 is installed on the rear surface of the main body 10, the rear surface thereof is opened, and the cover 21 covers and closes the rear surface of the open control box 20.

In addition, wires W (refer to FIG. 1) connecting the printed circuit board 22 and the components of the refrigerator are disposed in the main body 10 so that electric signals can be transmitted. The wires W pass through the control box 20 and are connected to the printed circuit board 22.

In order to ensure that these wires (W) can be stably fixed and installed in the control box 20, a wire holder 23 is mounted on the control box 20, and a wire holder 23 to be described later on one side of the control box 20 A through hole 20a through which the guide part 23b of) protrudes and a holder mounting part 20b in which the wire holder 23 is seated is provided.

The wire holder 23 holds the wires W as shown in FIGS. 4 to 6 and is mounted on the control box 20 so that some sections of the wires W are installed in the control box 20. It includes a first holding unit 231 and a second holding unit 232 coupled to each other, and the wires (W) are installed between the first holding unit 231 and the second holding unit 232 The wire installation hole (23a) is formed.

The first holding part 231 includes a first wire installation groove 231a formed in a semicircular shape, and the second holding part 232 includes a second wire installation groove 232a formed in a semicircular shape, As the holding part 231 and the second holding part 232 are coupled, the first wire installation groove 231a and the second wire installation groove 232a are combined to form the aforementioned wire installation hole 23a.

In addition, the wire holder 23 includes a connection portion 233 provided between the first holding portion 231 and the second holding portion 232, and holds the first holding portion 231 and the second holding portion through the connection portion 233. One side of the unit 232 is connected to each other. Accordingly, the first holding unit 231 and the second holding unit 232 can be coupled or separated from each other while relatively rotating the first holding unit 231 and the second holding unit 232 around the connection unit 233. .

In order to keep the first holding unit 231 and the second holding unit 232 coupled to each other, the first holding unit 231 is provided with a locking protrusion 231c that is caught on the second holding unit 232 The second holding part 232 is provided with a concave locking groove 232c into which the locking protrusion 231c is inserted. In this embodiment, two locking protrusions 231c are provided on both sides of the first wire installation groove 231a, and two locking grooves 232c are provided on both sides of the second wire installation groove 232a. do.

The wire holder 23 is provided on the other side of the first holding part 231 and the second holding part 232, and the first locking projection 234 and the second locking projection 235 are caught on the entrance side of the holder mounting part 20b Includes.

In addition, the electric wire holder 23 includes a guide part 23b for guiding the electric wires W while maintaining a state in which the electric wires W are fixed to the electric wire holder 23.

The guide portion 23b is formed integrally extending from one side facing the outside of the control box 20, and a first guide portion 231b extending from an adjacent portion of the first wire installation groove 231a of the first holding portion 231 ) And a second guide portion 232b extending from the adjacent portion of the second wire installation groove 232a of the second holding portion 232 are formed by being combined.

An opening 23c is provided at the tip of the guide part 23b to allow the wires W to pass therethrough. Since the control box 20 is disposed on the rear side of the main body 10, the wires W must extend to the front side. do. Accordingly, the opening 23c is provided to be opened toward the front side at the tip end of the guide portion 23b.

In addition, on the surface of the electric wire holder 23 disposed toward the inside of the control box 20, the molten resin introduced through the electric wire installation hole 23a as shown in FIG. 7 is applied along the surface of the electric wire holder 23. Guide grooves 23d for moving are provided. In this embodiment, the guide grooves 23d are sequentially formed outside the wire installation hole 23a in the radial direction, so that the molten resin introduced through the wire installation hole 23a moves along the inner surface of the wire holder 23 Guide. Therefore, even if the molten resin flows through the wire installation hole 23a, most of the molten resin is distributed to the inner surface of the wire holder 23 through the guide groove 23d, so that the molten resin is installed in the control box 20 Transfer to the substrate 22 can be prevented.

Next, a process in which wires are installed in the control box in the refrigerator configured as described above will be described in detail with reference to the drawings.

First, as shown in FIG. 5, a wire between the first holding part 231 and the second holding part 232 in a state in which the first holding part 231 and the second holding part of the wire holder 23 are separated. After allowing some sections of the (W) to be arranged, the first holding unit 231 and the second holding unit 232 are coupled to each other while relatively rotating. At this time, while the wires (W) are positioned in at least one of the first wire installation groove (231a) and the second wire installation groove (232a) by combining the first holding portion 231 and the second holding portion 232 As shown in FIG. 4, in a state in which the first holding part 231 and the second holding part 232 are combined, the wires W are positioned in the wire installation hole 23a.

In addition, in the process of combining the first holding unit 231 and the second holding unit 232 as described above, the locking protrusion 231c provided on the first holding unit 231 is a locking groove provided in the second holding unit 232 Since it is inserted and caught in (232c), a state in which the first holding part 231 and the second holding part 232 are coupled by the locking protrusion 231c and the locking groove 232c is maintained.

In this way, after the wires (W) are arranged in the wire installation hole (23a) of the wire holder (23), as shown in Figure 8, the adhesive tape (T) to the wires (W) and the guide part (23b) Winding, so that some sections of the wires (W) are fixed to the guide portion (23b).

When the adhesive tape (T) is attached to the wires (W) and the guide portion (23b) in this way, the molten resin cannot flow into the control box 20 except for the space between the wires (W), It is possible to minimize the molten resin flowing into the box 20.

The present invention is not limited to the embodiments described above, and it is obvious to those of ordinary skill in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to belong to the claims of the present invention.

10: main body 101: trauma
102: inner box 103: heat insulation member
20: control box 21: cover
22: printed circuit board 23: wire holder
23a: wire installation hole 23b: guide part
23c: opening 23d: dispersion groove
231: first holding unit 232: second holding unit
233: connection

Claims (9)

A printed circuit board,
A control box that is open on one side to accommodate a printed circuit board inside,
Wires passing through the control box and connected to the printed circuit board,
Holding the wires and including a wire holder mounted on the control box,
The control box includes a through hole through which the wires pass, and a holder mounting part provided adjacent to the through hole to mount the wire holder,
The electric wire holder,
A first holding unit and a second holding unit coupled to each other and forming an electric wire installation hole in which the electric wires are installed;
A guide part extending outwardly from one side of each of the first holding part and the second holding part so as to protrude outward of the control box and including an opening through which the wires can pass; And
A refrigerator including a first locking jaw and a second locking jaw provided on the other side of each of the first holding portion and the second holding portion and coupled to each other to be caught by the holder mounting portion. The method of claim 1,
The first holding portion includes a first wire installation groove formed in a semicircular shape,
The second holding part is formed in a semicircular shape and includes a second wire installation groove forming the wire installation hole together with the first wire installation groove. delete The method of claim 2,
The wire holder includes a connection part connecting the first holding part and the second holding part,
The first holding unit and the second holding unit are rotated around the connection unit, and are coupled and separated. The method of claim 2,
The first holding portion includes at least one locking protrusion caught on the second holding portion,
The second holding part is a refrigerator including at least one locking groove through which the at least one locking protrusion is caught and supported. The method of claim 2,
The first holding part and the second holding part are mounted in the holder mounting part. delete The method of claim 2,
The guide portion is a refrigerator formed by a first guide portion extending from an adjacent portion of the first wire installation groove of the first holding portion and a second guide portion extending from an adjacent portion of the second wire installation groove of the second holding portion . The method of claim 1,
The wire holder includes a guide groove for moving the molten resin introduced through the wire installation hole along the surface of the wire holder.

Images