JP2022180071A - washing machine - Google Patents

Abstract

To provide a washing machine which facilitates routing work of wiring of equipment connected to a control substrate.SOLUTION: A washing machine includes: a housing 1; an outer tub 10 included in the housing 1; a drum 11 interpolated in the outer tub 10, and including an input port where laundry is inputted; a water supply unit 30 for supplying a detergent and water to the outer tub 10; a drying unit 40 for blowing wind in the drum 11; and a control unit 20 for controlling the operation of the washing machine. The water supply unit 30, the drying unit 40, and the control unit 20 are arranged side by side in the left-to-right direction at an upper part of the housing 1.SELECTED DRAWING: Figure 3

Description

The present invention relates to washing machines.

Techniques relating to drum-type washer/dryers include the techniques described in Patent Documents 1 to 3, for example.

Patent Document 1 discloses an outer tub provided in a housing, a metal washing tub that is contained in the outer tub and into which clothes are put, an induction module that induction-heats the washing tub, and a module control unit that controls the induction module. and a drum-type washer-dryer. The module control unit is arranged at the upper right end of the housing when the drum-type washing and drying machine is viewed from the front.

Further, Patent Document 2 discloses an outer tub provided in a housing, a washing tub contained in the outer tub into which clothes are put, a motor for rotating the washing tub, and water supply means arranged at the top of the housing. and a drum-type washing machine provided with a control board arranged in the upper part of the housing and controlling operations such as washing, rinsing, and spin-drying.

Further, Patent Document 3 discloses an outer tub provided in a housing, a washing tub that is contained in the outer tub and into which clothes are put, a motor that drives the washing tub to rotate, and a water supply that is arranged in the upper rear part of the housing. A drum-type washing and drying unit equipped with a unit, a drying unit arranged at the upper right end of the housing, a main control board arranged at the upper front side of the housing, and a wireless communication device arranged at the upper center of the housing. machine is described.

Japanese Patent Publication No. 2020-530330 Japanese Patent Application Laid-Open No. 2010-63750 JP 2020-48615 A

2. Description of the Related Art In recent years, there are washing machines equipped with a water supply unit having an automatic detergent injection mechanism for automatically injecting detergent. A water supply unit with an automatic detergent injection mechanism is mounted on the upper part of the housing. In addition to the water supply unit, a drying unit and the like are mounted on the upper part of the housing, and depending on the position of the control board on which these are mounted, there is a problem that the wiring connecting the control board, the water supply unit, and the drying unit becomes long. . In Patent Literatures 1 and 2 described above, wiring for connecting the control device to the water supply unit and the drying unit was not taken into consideration at all.

Further, in Patent Document 3, the control board and the water supply unit are arranged in the front-rear direction on the left end, and the drying unit is arranged on the right end. There is Furthermore, in order to prevent the spread of fire, the entire periphery of the control board must be covered with a metal cover, which increases the number of parts. Furthermore, in Patent Document 3, since the wireless communication device is arranged in the upper center of the housing, it was necessary to consider so that the metal cover that covers the control board does not interfere with communication.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems and to provide a washing machine that facilitates routing of wiring of devices connected to a control board.

Another object of the present invention is to provide a washing machine that reduces the amount of metal covers used to cover the control board, thereby suppressing costs.

In order to achieve the above object, the present invention provides a housing, an outer tub provided in the housing, a drum provided with an inlet inserted into the outer tub for loading laundry, and A water supply unit that supplies detergent and water, a drying unit that blows air into the drum, and a control unit that controls operation of the washing machine, wherein the water supply unit, the drying unit, and the control unit are connected to the housing It is characterized by being arranged side by side in the left-right direction on the upper part of the body.

Further, in addition to the above configuration, the present invention comprises a case body covering a control board made of metal, and a metal upper surface cover covering the water supply unit, the drying unit, and the control unit on the top of the housing. It is characterized by arranging

ADVANTAGE OF THE INVENTION According to this invention, the washing machine which facilitates wiring of the apparatus connected with a control board can be provided.

Further, according to the present invention, it is possible to provide a washing machine that reduces the amount of metal cover used to cover the control board and suppresses costs.

1 is an external perspective view of a drum-type washing machine 100 according to an embodiment of the present invention; FIG. 1 is a side cross-sectional view showing an internal structure of a drum-type washing machine 100 according to an embodiment of the present invention; FIG. 1 is a top view of a drum-type washing machine 100 according to an embodiment of the present invention; FIG. 1 is a partially exploded external perspective view of a drum-type washing machine 100 according to an embodiment of the present invention; FIG. 5 is an external perspective view showing a state in which a case body 23 covering a control board 22 is attached to the support base 21 of FIG. 4; FIG. 5 is an external perspective view showing a state in which a case body 23 covering a control board 22 is attached to the support base 21 of FIG. 4; FIG. 1 is an external perspective view showing a state in which an upper cover is attached to a drum-type washing machine 100 according to an embodiment of the present invention; FIG.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. Similar components are denoted by similar reference numerals, and similar descriptions are not repeated.

The various constituent elements of the present invention do not necessarily have to be independent entities, and one constituent element may consist of a plurality of members, a plurality of constituent elements may consist of one member, a certain constituent element may part of a component, part of one component overlaps part of another component, and so on.

FIG. 1 is an external perspective view of a drum-type washing machine 100 according to an embodiment of the present invention. FIG. 2 is a side sectional view showing the internal structure of the drum-type washing machine 100 according to the embodiment of the present invention. FIG. 3 is a top view of the drum-type washing machine 100 according to the embodiment of the present invention. The configuration and operation of the drum-type washing machine 100 will be described with reference to FIGS. 1 to 3. FIG.

First, each direction for explanation is defined. In this embodiment, the horizontal direction when viewing the drum-type washing machine 100 from the user's viewpoint is the left-right direction, the height direction is the up-down direction, and the depth direction is the front-back direction.

In FIG. 1, the housing 1 constituting the outside of the drum-type washing machine 100 includes a housing body 1b having both side surfaces and a back surface integrally made of a steel plate and having a U-shaped shape when viewed from above, and a housing body. It is composed of an underplate (not shown) arranged below 1b, a front cover 1a (FIG. 4) covering the front surface of the housing body 1b, and a top cover 1c arranged above. A door 2 that can be opened and closed is arranged on the front surface of the housing 1 .

A water supply hose connection port 7 (FIG. 3) for supplying water from a tap to the drum-type washing machine 100 is provided on the upper back surface of the housing 1 . The door 2 is supported by hinges provided on the front cover 1a so that it can be opened and closed. The door 2 is opened forward by pulling the door opening handle 2a to disengage the lock mechanism, and is locked and closed by pressing the door 2 against the front cover 1a.

The front cover 1a has a circular opening for loading and unloading clothes concentrically with the opening of the outer tub 10 (FIG. 2).

The door 2 is provided with an operation portion 3 in which operation switches and the like are arranged. The operation unit 3 has a glass touch panel system, and is electrically connected to a control unit 20 (FIG. 2) provided inside the housing 1 .

A drain hose 8 (FIG. 3) for draining water is attached to the rear surface of the housing 1 .

Inside the housing 1 of the drum-type washing machine 100, an outer tub 10 for storing water is provided. The outer tub 10 inserts a drum 11 for storing laundry. The outer tub 10 is hung from the housing 1 via a spring (not shown), and the center of gravity of the outer tub 10 is hung from the left and right. A lower portion of the outer tub 10 is supported by a vibration isolation member 12 fixed to the housing 1 .

A rotating shaft 4 connected to the drum 11 is provided behind the outer tub 10 , and a pulley 5 is connected to the rotating shaft 4 . A motor 13 is connected to the pulley 5 via a belt 6 . The motor 13 rotates the drum 11 via the belt 6 , the pulley 5 and the rotating shaft 4 .

A control unit 20 controls the rotation speed of the motor 13 .

Further, the control unit 20 acquires sensor values of a vibration sensor (not shown) provided in the drum-type washing machine 100 . During the dehydration process, when the vibration amplitude of the outer tub 10 detected by the vibration sensor exceeds a preset threshold value due to unbalance of the clothes thrown into the drum, the dehydration process is temporarily stopped and the drum 11 is rotated forward and reverse. After correcting the imbalance of the clothes, the dehydration process is redone. When the motor 13 is driven, the drum 11 is rotated in both forward and reverse directions.

On the inner peripheral surface of the drum 11, a plurality of dehydration holes 11a for draining the washing water in the drum to the outer tub 10 are arranged at intervals in the circumferential direction of the drum 11 and put into the drum. A plurality of baffles 14 are provided for lifting the garment. The baffle 14 is installed so as to extend in the longitudinal direction of the drum 11 .

The opening of the outer tub 10 and the inlet of the housing 1 are connected by a bellows 15 that is easily stretchable in the front-rear direction. The bellows 15 is made of an annular elastic member and seals the drum 11 when the door 2 is closed. The inlet of the housing 1, the opening of the outer tub 10, and the opening of the drum 11 communicate with each other.

A water supply unit 30 ( FIG. 3 ) having a water supply valve 31 is provided in the upper part of the housing 1 and in front of the water supply hose connection port 7 . The water supply unit 30 includes a detergent containing portion 32a for containing detergent and a finishing agent containing portion 32b for containing finishing agent. The detergent storage portion 32a and the finishing agent storage portion 32b are connected to the water supply valve 31 via hoses. The water supply unit 30 can be pulled out to the front side, and the user puts detergent and finishing agent into the detergent storage portion 32a and the finishing agent storage portion 32b in the pulled out state.

When the water supply valve 31 is opened during washing, water flows in from the water supply hose connection port 7 and is supplied to the outer tub 10 through the detergent storage portion 32a. The detergent containing portion 32a is filled with detergent in advance, and the detergent is put into the outer tub 10 together with the supplied water. Similarly, during rinsing, the finishing agent is put into the outer tub 10 from the finishing agent container 32b together with the supplied water.

A drainage pump (not shown) is provided in the drainage path of the drainage hose 8 provided at the bottom of the outer tub 10 . When the drain pump is not operated, the water supplied to the outer tub 10 accumulates in the outer tub 10, and when the drain pump is operated, the washing water in the outer tub 10 is discharged from the drain hose 8 to the drum type washing machine 100. drained to the outside.

A drying unit 40 for drying clothes is provided on the top of the housing 1 (outer tub 10). The drying unit 40 includes a heating section 41 in which a heater for heating air is arranged, and a blower fan 42 for blowing air to the heating section 41 .

The control unit 20, the water supply unit 30, and the drying unit 40 of this embodiment extend in the front-rear direction of the housing 1, and the control unit 20, the water supply unit 30, and the drying unit 40 are arranged side by side in the left-right direction. there is In this embodiment, the water supply unit 30 is arranged between the control unit 20 and the drying unit 40 in the horizontal direction.

Next, the configuration of the control unit 20 and the mounting method of the control unit 20 will be described with reference to FIGS. 4 to 7. FIG. FIG. 4 is a partially exploded external perspective view of the drum-type washing machine 100 according to the embodiment of the present invention. FIG. 4 shows a state in which the control unit 20 is brought closer to the drying unit 40 side, and a state in which the drum-type washing machine 100 is seen from the front right side. FIG. 5 is an external perspective view showing a state in which the case body 23 covering the control board 22 is attached to the support base 21 of FIG. FIG. 5 shows the drum-type washing machine 100 viewed from the front right side. FIG. 6 is an external perspective view showing a state in which the case body 23 covering the control board 22 is attached to the support base 21 of FIG. FIG. 6 shows the drum-type washing machine 100 viewed from the front left side. FIG. 7 is an external perspective view showing a state in which the top cover is attached to the drum-type washing machine 100 according to the embodiment of the present invention.

The control unit 20 includes a support base 21 extending in the longitudinal direction of the housing 1, a control board 22 attached to the support base 21 and having control components mounted thereon, and a case body attached to the support base 21 and covering the control board 22. 23. The case body 23 is made of a metal member.

As shown in FIG. 4, wirings 24a and 24b electrically connected to the drying unit 40, the motor 13 and the like are connected to the control board 22. As shown in FIG. The wires 24 a and 24 b (first wires) are connected to the drying unit 40 and the motor 13 at one end (not shown), and connected to the control board 22 at the other end (not shown). The wirings 24a and 24b connected to the drain pump and the motor 13 are routed from the bottom to the top of the housing 1, pass under the control unit 20 (support base 21), and extend from the left side of the control unit 20 to the control board 22. connected to The wiring 24 c (second wiring) connected to the water supply unit 30 is wired so that one end of the wiring 24 c (second wiring) is connected to the control board 22 and the other end of the wiring 24 c protrudes to the right side of the housing 1 .

Next, with the wirings 24a, 24b, and 24c connected to the control board 22, the case body 23 is mounted from above the support base 21 so as to cover the control board 22 (FIGS. 5 and 6).

Cutouts 23a and 23b (first cutouts) are formed in the left side surface of the case body 23, and wires 24a and 24b are drawn out from the cutouts 23a and 23b (FIG. 6). On the other hand, a notch portion 23c (second notch portion) is formed in the right side surface of the case body 23, and a wiring 24c is drawn out from the notch portion 23c (FIG. 5).

When the support base 21 with the case body 23 mounted thereon is turned over to the left (see the arrow in FIG. 5), the support base 21 is accommodated between the water supply unit 30 and the drying unit 40 . The control unit 20 is vertically and horizontally reversed, with the support base 21 located above and the case body 23 located below.

Cutouts 23a and 23b are located on the right side, and wirings 24a and 24b drawn out from these cutouts 23a and 23b are maintained. That is, cutouts 23a and 23b for drawing out wirings 24a and 24b for electrically connecting the drying unit 40 and the control board 22 are formed on one side surface of the case body 23 positioned on the drying unit 40 side. To position.

On the other hand, the notch 23c is located on the left side, and the wiring 24c drawn out from the notch 23c also moves to the left. That is, on the other side surface of the case body 23 located on the water supply unit 30 side, a notch portion 23c for drawing out the wiring 24c for electrically connecting the water supply unit 30 and the control board 22 is located. The other end of the wiring 24c moved to the left is connected to the water supply unit 30. As shown in FIG. Since the other end of the wiring 24c is moved to the left side where the water supply unit 30 is located, the connection work between the control unit 20 and the water supply unit 30 can be easily performed. In this way, the wiring between the control board 22, the water supply unit 30, the drying unit 40, the motor 13 and the like is completed.

According to this embodiment, since the water supply unit 30 and the drying unit 40 are arranged on the left and right sides of the control unit 20 in the left-right direction, the wiring can be easily routed and the workability of the wiring can be improved. can be done. Moreover, since the length of wiring can be shortened, cost can be reduced. In this embodiment, the water supply unit 30 and the drying unit 40 are arranged on the left and right sides of the control unit 20, but the arrangement is not limited to this. The water supply unit 30, the drying unit 40, and the control unit 20 may be arranged side by side in the left-right direction in the upper portion of the housing 1. FIG.

After completing the wiring between the control board 22, the water supply unit 30, the drying unit 40, the motor 13, etc., a metal top cover 1c is placed on top of the housing 1 (front cover 1a, housing main body 1b), It covers the control unit 20, the water supply unit 30, and the drying unit 40 (FIG. 7). The control board 22 is covered with a metal case body 23 on the lower side and covered with the upper surface cover 1c made of metal on the upper side. That is, the control board 22 is entirely covered with a metal member. The control board 22 must be covered with a metal member to improve safety. Since the control board 22 of this embodiment is covered with the case body 23 on the bottom and side surfaces, and then covered with the top cover 1c, it is necessary to separately prepare a metal member to cover the top of the control board 22. Therefore, the cost can be reduced and the workability can be improved.

Next, the operation of drum-type washing machine 100 in the above configuration will be described. In the drum-type washing machine 100 configured in this manner, the user first presses the power button of the operation unit 3 on the door 2 to start the drum-type washing machine 100 . Then, the user pulls the door opening handle 2a, opens the door 2, and throws clothes into the drum 11. - 特許庁Then, after the user closes the door 2, the operation of the washing process is started by operating the switch of the operation unit 3. - 特許庁

In the washing process, the water supply valve 31 is opened, and water supplied from the water supply hose connection port 7 is supplied to the outer tub 10 together with the detergent through the water supply hose 32 and the detergent storage portion 32a. At this time, the larger the laundry capacity calculated based on the number of revolutions of the motor 13 and the current value, the larger the amount of water supplied in the washing process. Thereafter, the drum 11 is washed for a predetermined period of time by repeating normal rotation, stop, reverse rotation, and stop. At this time, the clothes are lifted up by the baffle 14 and dropped repeatedly, thereby enhancing the cleaning power of the clothes.

After the washing process is completed, the dehydration process is started. In the dewatering process, the drum 11 is first rotated at a low rotational speed at which the clothes do not stick. At the low speed of rotation, the clothes soaked with water in the washing process are lifted by the baffle 14 when the drum 11 rotates, and are spread over the inner peripheral surface of the drum 11 when the clothes drop. When the clothes begin to spread, the number of revolutions of the drum 11 is gradually increased, and the clothes are attached to the drum 11 by centrifugal force. When the clothes stick to the drum 11, the rotation speed of the drum 11 is increased to reach the target rotation speed while passing through the resonance section of the outer tub 10 where the vibration of the outer tub 10 increases, thereby removing the water contained in the clothing. is centrifuged.

After performing the dehydration process, a rinsing process is performed. In this rinsing step, the water supply valve 31 is opened to supply water supplied from the water supply hose connection port 7 to the outer tub 10 through the finishing agent storage portion 32b. Also, as in the washing process, the larger the calculated clothes volume, the larger the amount of water supply. In the rinsing process, the normal rotation, stop, reverse rotation, and stop of the drum 11 are repeated in the same manner as in the washing process. At this time, the clothes lifted by the baffle 14 are stirred for a predetermined period of time.

After that, the dehydration process and the rinsing process are repeated a predetermined number of times, and the final dehydration process is started.

After the dehydration process is completed, the drying process is started. In the drying process, the heating unit 41 and the blower fan 42 are operated while the drum 11 is repeatedly rotated forward, stopped, reversed, and stopped. Blow warm air. Inside the drum 11, warm air is applied to the clothes lifted by the rotation of the drum 11 to evaporate moisture contained in the clothes. After the drying process is operated for a predetermined time, the heating unit 41, the blower fan 42, and the motor 13 are stopped, and the drying process is completed.

As described above, according to this embodiment, since the water supply unit 30, the drying unit 40, and the control unit 20 are arranged side by side in the upper part of the housing 1 in the left-right direction, wiring can be easily routed. , the workability of wiring can be improved. Moreover, since the length of wiring can be shortened, cost can be reduced.

Furthermore, according to this embodiment, after the lower side and side surfaces of the control board 22 are covered with the case body 23, the upper side of the control board 22 is covered with the top cover 1c. Since there is no need to separately prepare a member for the above, the cost can be reduced and the workability can be improved.

In addition, the present invention is not limited to the above-described embodiments, and includes various modifications. The above-described embodiments have been described in detail for easy understanding of the present invention, and are not necessarily limited to those having all the described configurations.

REFERENCE SIGNS LIST 1 housing 1a front cover 1b housing body 1c top cover 2 door 2a door opening handle 3 operation part 4 rotating shaft 5 pulley 6 belt 7 Water supply hose connection port 8 Drainage hose 10 Outer tank 11 Drum 12 Anti-vibration member 13 Motor 14 Baffle 15 Bellows 20 Control unit 21 Support stand 22 Control board 23 Case body 23a, 23b, 23c Notch 24a, 24b, 24c Wiring 30 Water supply unit 31 Water supply valve 32a Detergent container 32b Finishing agent container 40 ... drying unit, 41 ... heating section, 42 ... ventilation fan

Claims (5)

a housing, an outer tub provided in the housing, a drum provided with an inlet inserted into the outer tub for loading laundry, a water supply unit supplying detergent and water to the outer tub, and the Equipped with a drying unit that blows air into the drum and a control unit that controls the operation of the washing machine,
The washing machine according to claim 1, wherein the water supply unit, the drying unit, and the control unit are arranged side by side in the horizontal direction on the upper part of the housing. In claim 1,
The washing machine, wherein the control unit is arranged between the water supply unit and the drying unit. In claim 2,
The control unit includes a control board on which control components are mounted, a support base for supporting the control board, and a case body mounted on the support base and covering the control board,
one side surface of the case body located on the drying unit side is provided with a first notch for drawing out a first wiring for electrically connecting the drying unit and the control board,
The other side surface of the case body located on the water supply unit side is provided with a second notch for drawing out a second wiring for electrically connecting the water supply unit and the control board. Washing machine characterized. In claim 3,
The washing machine, wherein the control unit is arranged such that the case body is positioned downward and the support base is positioned upward. In claim 4,
The case body is made of metal,
A washing machine according to claim 1, wherein a metal upper surface cover covering said water supply unit, said drying unit and said control unit is arranged on the upper part of said housing.

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