KR100961593B1 - Washer - Google Patents

Abstract

Washing machine according to the invention is a drum for receiving laundry rotated by a drive motor; A tub for accommodating the drum therein; A cabinet accommodating the tub therein; A top cover formed at an upper portion of the cabinet, opened at an upper side of the drum, and a control box accommodating portion formed at one side of the opened portion; A control box detachably installed directly from an outside of the control box accommodating part and accommodating therein a circuit board for controlling a system of a washing machine; And a protective cover covering one side of the top cover including the control box.

By not invading the control box according to the present invention, there is an advantage that the electrical short is not generated, furthermore, there is an advantage that can reduce the risk of fire that can be generated by the short of the substrate.

In addition, there is an advantage that the installation of the control box and the repair of the control box becomes more simple.

In addition, the control box is not exposed to moisture as much as possible, there is an advantage that the operational reliability of the control box is further increased.

Washing machine, control box

Description

Washing Machine {Washer}

1 is a view for explaining the structure of a conventional general washing machine.

Figure 2 is a view showing the control structure of the control box and the control box according to the present invention in comparison with the entire washing machine.

3 is a perspective view of a control box according to the present invention.

4 is a view illustrating an upper box in a control box of a washing machine according to the present invention.

FIG. 5 is a cross-sectional view taken along line BB ′ in FIG. 4.

Figure 6 is a top perspective view of the lower box in the control box according to the present invention.

Figure 7 is a cross-sectional view showing in detail the configuration of the vent in the control box according to the present invention.

8 is a bottom perspective view of the lower box in the control box according to the present invention.

FIG. 9 is a sectional view taken along the line D-D 'in FIG. 8; FIG.

10 is a cross-sectional view of a control box for explaining the internal configuration of the control box according to the present invention.

<Explanation of symbols for the main parts of the drawings>

1: Cabinet 2: Tub 3: Drum 4, 14: Top Cover

5, 15: opening and closing door 6, 16: water supply unit 7: machine unit 8: control box                 

18: protective cover 20: control box housing 21: wire insertion hole

22: protruding rib 23: seating groove 24: screw insertion hole

25: top cover vent 30: control box 31: wire missing hole

41: upper box 42: substrate holder 43: substrate

44: coating layer 45: fastening ring 46: screw insertion hole

47: heat radiation fin 51: lower box 52: vent

53: damping prevention film 54: wire guide 55: seating guide

56 fastening hook 57 screw insertion hole 58 wire hole

60: wire guide groove 61: cable tie insertion hole

62: cable tie guide 63: curved portion

The present invention relates to a washing machine, and more particularly, to a control box for performing electrical signal processing, such as power wiring, signal switching and valve on and off in the washing machine, and a structure in which the control box is housed.

In recent years, almost all washing machines are automated in the entire process of washing, and washing, rinsing, and dehydration are performed by a fully automated process at the touch of a button. In addition, the washing process is performed by switching on and off the electrical signal and electric transfer. The switching operation of the signal is performed in a plurality of circuit units housed in a control box as a central processing unit.

1 is a view for explaining the structure of a conventional general washing machine.

Referring to FIG. 1, a cabinet 1 forming an exterior of a washing machine, a tub 2 further formed inside the cabinet 1, and further formed inside the tub 2 may be rotated. The drum 3 to which the washing operation is performed by the washing machine, the top cover 4 formed on the upper side of the cabinet 1, and an opening / closing door for opening and closing a predetermined portion of the top cover 4 by an external force of the user. (5), an appliance portion (7) formed on the rear side of the top cover (4), a water supply portion (6) formed on the back of the washing machine to supply water, and the appliance portion (7) and the drum A control box 8 is formed on the inner side of the cabinet 1 to control the operating state of (3).

In the appliance unit 7, a plurality of electronic device components such as a water level sensor for checking the water level of the water supplied to the tub 2 and a switching switch are located.

In particular, the control box 8 is formed on the inner surface of the cabinet 1, the control motor and power lines extending from the control box 8, the drive motor for driving the drum 3, power line, device unit (7) and other electrical components and connecting lines are connected to control the electrical operation of the washing machine.

However, the storage structure of the control box and the control box of the conventional washing machine has a problem that the electrical short is frequently generated by washing water infiltrate the control box so that the wiring is flooded. Moreover, there is a fatal problem leading to a fire after a short occurs.                         

In addition, since the control box 8 is formed on the inner side of the cabinet 1, there is a problem that its installation is difficult, and furthermore, in order to repair the control box 8, it is necessary to remove the entire part of the cabinet 1 only after removing it. It was very inconvenient because it could be repaired.

In addition, although the position of the line for operating the drive motor of the drum 3 and the control box 8 may be close, a plurality of parts, the water supply part 6 and the water supply part 6 formed in the device part 7 are provided. There is a disadvantage in that the distance from the plurality of valves to control the) is quite far. Because of this, a large amount of electrical wiring is required in order to allow a plurality of components installed in the device unit 7 and the water supply unit 6 to be electrically connected to the control box 8, thereby increasing the manufacturing cost. .

In addition, since it is located on the inner side of the cabinet 1, there is a disadvantage that there is a lot of concern that water is likely to splash, and because it is formed on the inner side of the cabinet (1) without being exposed to the outside, the moisture is formed to form water droplets Frequently, there is a disadvantage in that short circuit occurs frequently in the circuit board eventually.

The present invention has been proposed to improve the problems as described above, the object of the present invention is to propose a storage box of the control box and the control box of the washing machine so that no electrical short occurs by washing water does not penetrate the control box. do.

In addition, an installation structure of the control box and the control box of the washing machine, which can be more easily installed and the control box of the control box is proposed.

In addition, an object of the present invention is to propose an accommodating structure of a control box and a control box of a washing machine, which can reduce the manufacturing cost by improving the storage position of the control box.

In addition, an object of the present invention is to propose a storage structure of a washing machine control box and a control box which can further increase the operational reliability of the control box by preventing the control box from being exposed to moisture as much as possible.

Washing machine according to the present invention for achieving the object as described above is a drum for receiving the laundry rotated by a drive motor; A tub for accommodating the drum therein; A cabinet accommodating the tub therein; A top cover formed at an upper portion of the cabinet, opened at an upper side of the drum, and a control box accommodating portion formed at one side of the opened portion; A control box detachably installed directly from an outside of the control box accommodating part and accommodating therein a circuit board for controlling a system of a washing machine; And a protective cover covering one side of the top cover including the control box.

Such a washing machine can further increase the reliability in the electrical operation of the washing machine, and has the advantage of further increasing the stability of the washing machine operation.

Hereinafter, with reference to the drawings will be described a specific embodiment of the present invention. However, the spirit of the present invention is not limited to the embodiments presented, and those skilled in the art who understand the spirit of the present invention can easily suggest another embodiment within the scope of the present invention, but this also of the present invention. It is said to be included in the scope of rights.

2 is a view showing the storage structure of the control box and the control box in comparison with the overall washing machine in the washing machine according to the present invention, Figure 3 is a trial of the control box according to the present invention.

2 and 3, in the washing machine of the present invention, the top cover 14, the opening and closing door 15, the water supply unit 16, and the appliance unit 17 are similarly included. In addition, a protective cover 18 covering the upper rear surface of the top cover 14 is further included.

In addition, the control box accommodating portion 20 is recessed in the rear of the top cover 14. In particular, the control box accommodating part 20 is a part formed integrally with the body of the top cover 14, and a part of the top cover 14 is recessed. In addition, a control box 30 mounted on the recessed inner surface of the control box housing 20 is included.

The control box 30 is a complex electrical connection line is formed, such as a plurality of control lines and wires are drawn / drawn out.

In addition, the control box accommodating part 20 includes a wire insertion hole 21 formed in a rectangular opening on an inner lower side of the control box accommodating part 20 and a linear shape at a lower side of the control box accommodating part 20. Protruding rib 22 is formed to protrude to the seating groove is formed in one side of the control box housing 20 is opened so that the control box 30 is conveniently seated in the control box housing 20 23 and at least one screw insertion hole 24 formed in the side wall of the control box accommodating part 20 to accurately position the control box 30 in the control box accommodating part 20. A top cover vent 25 is provided to allow the heat generated from the control box 30 to be quickly discharged to the outside by the air flow.

In addition, the control box 30 is aligned with the screw insertion hole 24 of the control box housing 20 and the screw is inserted into the other screw insertion hole 46 for fixing the position of the control box 30 and A seating guide 55 is formed to protrude on one side so as to be seated in the seating groove 23 to guide the installation position of the control box 30.

On the other hand, the control box 30 is formed by the upper box 41 and the lower box 51 are integrally coupled.

In particular, a plurality of electrical components are formed inside the control box 30, and a plurality of wire missing holes 31 are formed between the electrical components and the external components so that the wires can be inserted as the conductive lines. do.

Hereinafter, the configuration of the components as described above in more detail.

In detail, the electric wire insertion hole 21 is supplied with power to the driving motor of the washing machine from the wire drawn out from the control box 30, and the electric wire is inserted to allow the control signal to be applied to the lower side of the washing machine.

At least one protruding rib 22 is formed to maintain a predetermined interval between the entire lower side of the control box 30 and the lower side of the control box accommodating part 20.

The seating groove 23 allows the seating guide 55 to be inserted so that the position of the control box 30 can be guided when the control box 30 is seated on the control box accommodating part 20. do. In detail, when the control box 30 is placed in the control box accommodating portion 20, the first operation is performed, and a seating guide 55 formed on one side of the control box 30 is disposed in the seating groove 23. It is inserted so that the position where the control box 30 is placed is accurately guided. Therefore, there is an advantage that can be performed more conveniently in the production site to assemble the control box 30.

The operation or action between the control box 30 and the control box accommodating part 20 will be described.

A plurality of circuit components are mounted in the control box 30, and the control box 30 supplies electricity to other components of the washing machine and transmits control signals.

In detail, at least power supplied from the outside is drawn into the control box 30, drive power for driving the drive motor is drawn out by the applied power, a signal is drawn from the water level sensor, and a control signal is supplied to the water supply valve. A number of operations, such as being withdrawn, are performed.

In particular, since the control box 30 is located above the washing machine, except for the driving motor, the electric signal drawn out from the appliance unit 17, the electric signal drawn out to the water supply unit 16, and the electric power supplied from the outside are provided. The distance between the plurality of wires and the control box 30 to be supplied has an advantage that can be significantly shortened unlike the conventional.

On the other hand, the control box 30 is made of a flame retardant material in order to prepare for a fire that may occur in any case, and furthermore, to prevent a fire from being generated by an electrical spark that may be generated from an electrical component during an electrical operation. .

2 shows a number of wires forming such an electrical line.

In addition, since the control box 30 is formed on the upper side of the top cover 14, there is an advantage that the risk of moisture condensed inside, forming a water droplet is reduced. In addition, it is further away from the washing tub, further reducing the risk of washing water intrusion.

In addition, since it is mounted on the upper side of the top cover 14, the control box 30 can be accessed by simply removing the predetermined protective cover 18 covering the rear side of the top cover 14. , There is an advantage that the installation and repair of the control box 30 is easier.

Hereinafter, the shape and configuration of the control box 30 will be described in more detail.

4 is a view illustrating an upper box in a control box of a washing machine according to the present invention.

4 is a bottom perspective view showing the inside of the upper box 41 upside down. Referring to this, a substrate 43 in which a plurality of electrical components are mounted in the upper box 41 and the substrate 43 is shown. In order to be assembled inside the upper box 41, at least one substrate holder 42 is formed on each of the upper side and the lower side of the inner side of the upper box 41, and the substrate 43 is waterproof and the substrate ( In order to fix the 43, the coating layer 44 further formed on the upper side of the substrate 43, the fastening ring 45 formed at the outer circumferential edge of the upper box 41, and the upper box 41 are formed. The screw insertion hole 46 for fixing to the control box accommodating part 20 and the heat dissipation fin 47 for contacting the heat generating parts of the substrate 43 to quickly discharge heat generated from the heat generating parts to the outside are provided. Included.

In detail, the substrate holder 42 is formed so that its position is accurately seated when the substrate is assembled into the upper box 41. In addition, the shape is formed to protrude inward from the inner surface of the upper box 41, the lower side of the substrate holder 42 is spaced apart from the side of the upper box 41 can be allowed to swing to some extent.

In addition, the coating layer 44 is a plastic resin, for example, a liquid polyurethane containing polyurethane as the main constituent material is injected and fixed, the polyurethane layer covers the entire surface of the substrate wash water 43 Do not touch).

In addition, the fastening ring 45 is formed on the upper outer periphery of the upper box 41, the fastening hook (see 56 of FIG. 6) is formed in the corresponding position of the lower box 51 is inserted into the upper box 41 And the lower box 51 to be coupled. To this end, at least one of the upper and lower sides of the upper outer circumferential surface of the upper box 41 is formed.

In addition, the heat dissipation fin 47 is to be interviewed with the heat generating component formed on the substrate 43, through the coating layer 44 is exposed to the outside air so that the heat is quickly discharged.

FIG. 5 is a cross-sectional view taken along line BB ′ in FIG. 4.

Referring to FIG. 5, the substrate holder 42 extends from the inner side of the upper box 41, and is bent inward from the upper side to the lower side. In addition, at least a lower side of the substrate holder 42 is separated from the upper box 41, so that the substrate holder 42 may be elastically deformed to some extent from the left and the right with reference to the drawings.

Therefore, when the substrate 43 is inserted, the substrate holder 42 is elastically deformed to the right with respect to the drawing, and restored to the left after the substrate 43 is inserted. Therefore, after the substrate 43 is inserted, the upper surface of the substrate 43 comes into contact with the lower end of the substrate holder 42, whereby the seating position of the substrate 43 can be fixed.

As such, after the position of the substrate 43 is settled by the substrate holder 42, the liquid polyurethane constituting the coating layer 44 is injected and fixed, thereby forming a firm and seamless coating layer 44. As such, since the coating layer 44 is formed after the liquid plastic resin is injected, the upper layer, the substrate, and the components mounted on the substrate are completely adhered to each other without any gaps or gaps, so that the wash water may invade. There is no room.

On the other hand, the thickness of the coating layer 44 is not necessarily required so that all components formed on the substrate 43 are impregnated with the coating layer 44, and at least the printed wiring formed on the substrate 43 is not exposed. The height of the heat dissipation fins 47 to be exposed to the outside air only needs to be ensured. By doing so, it is possible to reduce the price by reducing the amount of the liquid resin required for the formation of the coating layer 44.

6 is a top perspective view of the lower box in the control box according to the present invention.

Referring to FIG. 6, the lower box 51 according to the present invention has its position fixed once by the upper box 41 and the fastening hook 56, and is firmly positioned by the screw insertion hole 57. Can be fixed.

Air is flowed into the lower box 51 so that heat generated from the substrate 43 is discharged and a shape extending from the lower box 51 to the upper side of the vent 52. Also provided with a bent portion of the anti-drip film 53 to prevent the wash water from splashing, and a plurality of wires for connecting the inside and outside of the control box 30 is seated to be drawn out of the control box 30 An electric wire formed in the electric wire hole 58, an outer wall of the electric wire hole 58, and an electric wire guide 54 for guiding a drawing direction of the electric wire, and an electric wire drawn out by the electric wire hole 58 and the electric wire guide 54; A curved portion 63 formed by bending one side wall of the lower box 51 at a portion in contact with the side wall of the lower box 51, and an electric wire drawn out through the wire guide 54 is lower than the lower box 51. Lower box 51 to be placed on the outer side Include the wire guide groove 60 that is recessed toward the inside.

In detail, the vent 52 is formed at a position aligned with the heat dissipation fins (see 47 of FIG. 4) in a vertical line to allow the heat generated from the substrate 43 to be discharged to the outside with rapid and high cooling efficiency. In addition, a water damping prevention film 53 is further formed on the upper side of the vent 52 to prevent the washing water from entering the control box 30.

In detail, the damping prevention film 53 is formed to prevent the wash water from being splashed as a fluid to be introduced into the control box 30 through the air vent 52, and further extended to the upper side of the lower box 51. Afterwards, water that may be thrown out by the horizontal surface that is bent horizontally is blocked so that it does not enter the inside of the control box 30.

In detail, the wire hole 58 is a portion in which the wire is guided and drawn / drawn. And, at least the portion is guided to the wire guide groove 60 is passed through the wire drawn out to the lower side of the control box (30). In addition, the outgoing direction of the electric wire passing through the electric wire hole 58 in order to be drawn out to the lower side of the control box 30 is guided by the electric wire guide 54. The direction guided by the wire guide 54 is downward.

In addition, the wire guided in the drawing direction by the wire guide 54 is placed inside the wire guide groove 60 formed by recessing the inner surface of the lower box 51.

In addition, when the electric wire drawn out of the lower box 51 by the electric wire guide 54 contacts the side wall of the lower box 51, it prevents damage to the electric wire that may be generated by friction between the side wall and the electric wire. In order to do this, a curved portion 63 is formed at a portion where the wire guided by the wire guide 54 and the side wall contact each other. The curved portion 63 is formed by bending inward of the lower box 51 at one end of the side wall.

The screw insertion hole 57 is a portion aligned in line with the screw insertion hole 46 of the upper box 41, and the screw is inserted through the screw insertion hole 57. Then, the inserted screw is aligned with the screw insertion hole (see 24 of FIG. 2) of the top cover 14, so that the upper box 41 and the lower box 51 may be firmly fixed to the top cover 14. Can be.

The fastening hook 56 is formed on the outer circumferential surface of the lower box 51, that is, a position corresponding to the fastening ring (refer to 45 of FIG. 4), and the fastening hook 56 is inserted into the fastening ring 45. The position of the upper box 41 and the lower box 51 may be fixed to each other without moving the position.

7 is a cross-sectional view showing in detail the configuration of the vent in the control box according to the present invention.

FIG. 7 is a cross-sectional view taken along line C-C 'of FIG. 6, wherein the vent holes 52 formed on the lower surface of the lower box 51 are formed of a plurality of long holes. It is formed at a position aligned in a line. In addition, on the upper side of the air vent 52, a "L" shaped bite prevention film 53 is formed as a whole. The bite preventing film 53 extends upward from one side of the vent 52 to a predetermined length and extends horizontally from the lower end toward the side of the vent 52.

Due to this shape, the opened portion of the vent 52 is shielded by the water barrier film 53 formed to be spaced apart from the upper side. As a result, even if water splashes outside the control box 30 and bounces toward the control box 30, water is blocked by the water barrier film 53 and falls below the control box 30 by its own weight. Therefore, there is no fear of jumping into the inside of the control box 30.

8 is a bottom perspective view of the lower box in the control box according to the present invention.

Referring to FIG. 8, in the lower box 51, the wire guide groove 60 may be formed to be convexly concave toward the upper side of the lower box 51. The wire guide groove 60 as described above is to be placed in the wire guided in the depression.

On the other hand, at least one end of the wire guide groove 60 so that the cable tie insertion hole 61 and the cable tie inserted into the cable tie insertion hole 61 can be easily guided into the wire guide groove 60. In order to smoothly bend the cable tie guide 62 toward the wire guide groove 60 is formed.                     

In addition, a mounting guide formed at a position corresponding to the seating groove 23 so that the position of the control box 30 is stably mounted in the control box accommodating part 20 at one side of the lower box 51. It can be seen that 55 is formed.

FIG. 9 is a cross-sectional view taken along the line D-D 'of FIG. 8.

Referring to FIG. 8, a cable tie is inserted into a lower box according to the present invention, and a pair of cable ties formed on a horizontal bottom surface of the lower box 51 and a side surface of the wire guide groove 60 are inserted. A cable tie guide 62 is shown to allow the cable tie inserted into the hole 61 and the cable tie insertion hole 61 to be guided to the wire guide groove 60. That is, the cable tie inserted through the cable tie insertion hole 61 on the bottom of the lower box 51 exits through the cable tie insertion hole 61 formed in the side of the wire guide groove 60. In this case, the cable tie inserted by the cable tie guide 62 may be easily guided and drawn out to the cable tie insertion hole 61 formed in the side wall of the wire guide groove 60 just by pushing by an external force.

Hereinafter, the operation or operation of the lower box by the above-described configuration will be described.

The innermost position of the wire guide groove 60 and the wire insertion hole (see 21 in FIG. 2) of the top cover 14 are aligned in a line so that the wire guided by the wire guide groove 60 is an electric wire. It enters into the washing machine through the insertion hole (21).

On the other hand, the cable tie insertion hole 61 is to be inserted into one end of the cable tie that is already known.                     

In detail, the cable tie insertion hole 61 refers to a pair of holes formed in the bottom surface of the lower box 51 and the side wall of the wire guide groove 60, and the cable tie is formed on the bottom surface of the lower box 51. After entering through the formed hole, it is drawn out into the wire guide groove 60 through the cable tie insertion hole 61 formed in the side wall of the wire guide groove 60. At this time, the cable tie guide 62 is curved toward the wire guide groove 60 so that the cable tie can be easily guided into the wire guide groove 60.

Then, after the cable tie is inserted through the cable tie insertion hole 61, the wire is laid in the cable tie, and the cable tie is tightened, so that the wire can be stably placed on the outer circumference of the control box 30. have. In addition, the cable tie insertion holes 61 and the cable tie guides 62 are formed on each side of the wire guide groove 60 so that the designated positions of the wires can be stably placed at both sides of the wire guide groove 60. It is. In addition, the cable tie insertion hole 61 is formed in a position shifted from the wire guide groove 60, so that each cable tie is installed on both sides of the wire guide groove 60, so as not to interfere.

As a result, when the control box 30 is seated inside the control box accommodating portion 20 at the production site, since a plurality of wires drawn out of the control box 30 are fixed by cable ties, the operator The control box 30 may be mounted on the control box accommodating part 20 more conveniently.

10 is a cross-sectional view of a control box for explaining the internal configuration of the control box according to the present invention.

10 is a cross-sectional view taken along line AA ′ of FIG. 3, the control box 30 includes an upper box 41 and a lower box 51, and the upper box 41 and the lower box 51. The position is guided by the fastening hook 56 and the fastening ring 45 can be assembled both. After the upper box 41 and the lower box 51 are temporarily assembled, the screw insertion holes 46 and 57 are aligned with the screw insertion holes 24 on the top cover 14. Screws are inserted into the (57) (24) so that the control box 30 can be firmly fixed to the position inside the control box housing (20).

In addition, a vent 52 penetrating the lower box 51 and a damp prevention film 53 covering the opened portion of the vent 52 are further formed, so that water does not enter the control box. The vent 52 is formed at a position aligned with the heat dissipation fins 47 formed in the control box 30 so as to increase the cooling efficiency of the heat dissipation fins 47.

In addition, the substrate 43 seated on the inner surface of the upper box 41 is pre-assembled by the substrate holder (see Fig. 5), by the coating layer 44 is fixed after the injection of the liquid resin in the assembled state, Since there is no gap between the substrate and the box so that the airtightness is maintained, the substrate 43 does not come into contact with water, so the reliability of the waterproofing process is high.

And, since the substrate 43 is formed upside down on the inner surface of the upper box 41, there is no fear that water will reach the inside of the control box 30, even if the water touches, is formed upside down Therefore, there is an advantage that can be discharged quickly.

By not invading the control box according to the present invention, there is an advantage that the electrical short is not generated, furthermore, there is an advantage that can reduce the risk of fire that can be generated by the short of the substrate.

In addition, there is an advantage that the installation of the control box and the repair of the control box becomes more simple.

In addition, there is an advantage that the manufacturing price can be lowered by improving the storage position of the control box.

In addition, the control box is not exposed to moisture as much as possible, there is an advantage that the operational reliability of the control box is further increased.

Claims (18)

A drum which receives laundry and is rotated by a drive motor; A tub for accommodating the drum therein; A cabinet accommodating the tub therein; A top cover formed at an upper portion of the cabinet and formed at an upper side of the drum and having a control box accommodating part having a seating groove at one side of the opened portion; A control box detachably installed directly from an outside of the control box accommodating part and having a seating guide which can be inserted into the seating groove; A circuit board accommodated in the control box and controlling a system of a washing machine; And Includes a protective cover covering one side of the top cover including the control box, The control box is composed of an upper box and a lower box, the circuit board is installed downward from the inner bottom surface of the upper box, the inner bottom surface of the upper box is spaced apart from the bottom surface of the lower box. delete The method of claim 1, A plurality of hooks formed on one side of the upper box and the lower box; And And a plurality of fastening rings formed at positions corresponding to the fastening hooks on the other side of the upper box and the lower box, into which the fastening hooks can be inserted. delete The method of claim 1, A washing machine including a substrate holder formed on an inner surface of the upper box to fix the circuit board. The method of claim 1, The circuit board is a washing machine fixed by the urethane coating layer. delete The method of claim 1, A screw insertion hole is formed in the lower box and the upper box, and the lower box and the upper box are coupled to the top cover by a screw passing through the screw insertion hole. The method of claim 8, A screw insertion hole is formed in the control box accommodating part, and the screw insertion holes of the lower box and the upper box are aligned with the screw insertion hole of the control box accommodating part so that the screw is inserted into the control box accommodating part. On-site washing machine that can be locked. The method of claim 1, Washing machine is formed in the lower box vent holes for air to flow. The method of claim 10, The vent is formed in a position aligned with the heat radiation fin for cooling the circuit board. The method of claim 10, Washing machine including a water-proof film extending vertically from one side of the vent hole to cover the vent hole from the outside of the vent hole. The method of claim 1, The control box is a washing machine including at least one wire missing hole through which the wire connected to the circuit board is drawn in or drawn out. The method of claim 13, Washing machine including a wire guide groove for guiding the wires missing through the wire through hole to be placed on the lower outer surface of the lower box. The method of claim 13, At least one side of the wire guide groove washing machine including a cable tie insertion hole is inserted into the cable tie. The method of claim 13, Washer comprising a curved portion to prevent breakage of the wire on the side wall of the control box adjacent to the wire missing hole. The method of claim 13, Washing machine including a wire guide for allowing the wire drawn or drawn out through the wire through hole guides along the side wall of the control box. The method of claim 1, Washing machine comprising a protrusion rib formed on the top cover to maintain a predetermined interval on the lower side of the control box and the bottom of the top cover.

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