JP7489578B2 - washing machine - Google Patents

Description

This disclosure relates to a washing machine that agitates clothes and wash water.

Patent Document 1 discloses a washing machine for washing clothes and the like. This washing machine is equipped with an upper frame that constitutes the upper part of the device body, a panel that houses electrical components, and multiple concave lead wire guides on the inner side surface of the upper frame.

Japanese Utility Model Application Publication No. 63-076288

The present disclosure provides a washing machine that can suppress malfunctions caused by noise generated when the first internal wiring and the second internal wiring are in close proximity.

The washing machine of the present disclosure comprises a housing, a control means for controlling a washing operation, a first device and a second device electrically connected to the control means, a first internal wiring electrically connecting the control means and the first device, a second internal wiring electrically connecting the control means and the second device, a wiring guide having a roughly U-shaped main body formed in a stepped shape, and a first lid and a second lid arranged in a staggered manner at the ends of the main body, wherein the first lid and the second lid are arranged so as to be openable and closable relative to the main body, the main body and the first lid form an area through which the first internal wiring and the second internal wiring pass, the second lid is located between the first internal wiring and the second internal wiring, the main body and the second lid form a second area through which the second internal wiring passes, and the first internal wiring does not pass through the second area .

In the washing machine disclosed herein, the first internal wiring and the second internal wiring, which have different connection destinations, can be wired separately inside the wiring guide. This makes it possible to suppress malfunctions caused by noise generated when the first internal wiring and the second internal wiring are in close proximity to each other.

FIG. 1 is a vertical cross-sectional view of a washing machine according to an embodiment of the present invention; A schematic diagram of a wiring guide disposed inside the front of the housing of the washing machine. A schematic diagram of a wiring guide disposed at the base of the washing machine. Schematic diagram of the internal wiring and wiring guide of the washing machine A schematic diagram of the washing machine's wiring guide lid in the open position. A schematic diagram of the washing machine's wiring guide lid in the closed state. Cross-sectional view of the wiring guide of the washing machine Schematic diagram showing a modified example of the wiring guide of the washing machine A diagram showing the configuration of a conventional washing machine described in Patent Document 1.

Below, the embodiments will be described in detail with reference to the drawings. However, more detailed explanation than necessary may be omitted. For example, detailed explanation of already well-known matters or duplicate explanation of substantially the same configuration may be omitted.

It should be noted that the accompanying drawings and the following description are provided to enable those skilled in the art to fully understand the present disclosure, and are not intended to limit the subject matter described in the claims.

(Embodiment)
Hereinafter, an embodiment will be described with reference to FIGS. 1 to 3. FIG.

[1-1. Configuration]
In FIG. 1 , a washing machine 10 includes a housing 20 and a water tub unit 40 .

The water tub unit 40 is disposed inside the housing 20 and has an outer tub 41 and a washing tub 42. The outer tub 41 is elastically supported within the housing 20 by a vibration damper 22 fixed to the underside of the outer tub 41 and to the base 21 at the bottom of the housing 20.

The washing tub 42 is formed in a cylindrical shape with a bottom, and is housed in the outer tub 41 so that it can rotate freely around a rotating shaft 44 on the bottom surface of the washing tub 42. The rotating shaft 44 is supported by a bearing 45 provided on the back surface of the outer tub 41, and a motor 43 (driving means) is connected to the rotating shaft 44. The outer tub 41, washing tub 42, and rotating shaft 44 are provided with their axial directions horizontal, or with the front side tilted slightly upward from the horizontal. In addition, an input port (not shown) is provided on the front side of the washing tub 42 through which the user can put clothes in and take them out.

A door 23 is pivoted and provided on the front of the housing 20 so that it can be opened and closed freely. The door 23 is connected to an opening through which the user can put in and take out clothes, etc. In addition, an operation display unit 50 is provided above the door 23, and the operation display unit 50 has an input setting means (not shown) and a display means (not shown).

The upper part of the housing 20 is provided with a detergent dispenser 24 and a water supply unit 60 that supplies water to the water tub unit 40. The water supply unit 60 has a water supply valve 61 that supplies tap water, a bath water pump 62 that supplies bath water, and a water level detection means 63 that detects the amount of water supplied. In addition, a drain valve 25 is provided at the bottom of the housing 20.

The control unit 30 is provided at the bottom inside the housing 20. The control unit 30 has a control means (not shown) such as a microcomputer. The control means controls a series of steps in the washing operation, including washing, rinsing, and spin-drying. The control means transmits signals to the input setting means and display means of the operation display unit 50, and the water supply valve 61 and water level detection means 63 of the water supply unit 60, and also controls the rotation of the motor 43 and the operation of the bath water pump 62, etc. The control means also controls the rotation of the motor 43 and the operation of the bath water pump 62 based on the operation instructions input from the input setting means and the monitoring information of the operation state detected by each detection means including the water level detection means 63, controls the operation of the water supply valve 61 and the drain valve 25, and transmits a display signal so that the user can see the operation state and control state by the display means.

In Figures 2 and 3, the washing machine 10 according to the embodiment has internal wiring 70 and wiring guides 80.

The internal wiring 70 has a first internal wiring 71 and a second internal wiring 72. The first internal wiring 71 electrically connects the control means and the first device, and the second internal wiring 72 electrically connects the control means and the second device. In the embodiment, the first device is defined as a device that includes the motor 43 and the bath water pump 62 and is controlled by an inverter circuit (not shown). The second device is defined as a device that includes the drain valve 25, the operation display unit 50, the water supply valve 61, and the water level detection means 63 and is not controlled by the inverter circuit.

The wiring guide 80 is disposed inside the housing 20. The internal wiring 70 passes through the inside of the wiring guide 80, thereby preventing breakage of the internal wiring 70 due to contact between the internal structure of the washing machine 10 and the water tub unit 40.

In Figures 4 to 7, the wiring guide 80 has a generally U-shaped main body 81, a hole 82, and a lid 83 having a first lid 84 and a second lid 85. The lid 83 has the first lid 84 and the second lid 85. The main body 81 of the wiring guide 80 has a stepped shape, with the first lid 84 being disposed at the top end of an upper step 87, and the second lid 85 being disposed at the top end of a lower step 88. The lid 83 can be opened and closed, and has a claw 86 at its tip. The lid 83 can be closed by hooking the claw 86 at the tip of the lid 83 into the hole 82.

6 and 7, the areas divided by the main body 81, the first lid 84, and the second lid 85 of the wiring guide 80 will be described. Area A (area surrounded by a dashed line) indicates an area surrounded by the main body 81 and the first lid 84 in the closed state, and the first internal wiring 71 and the second internal wiring 72 pass through area A. Area B (area surrounded by a dashed line) is an area surrounded by the main body 81, the first lid 84 in the closed state, and the second lid 85, and the first internal wiring 71 passes through area B. Area C (area surrounded by a two-dot dashed line) is an area surrounded by the main body 81 and the second lid 85 in the closed state, and the second internal wiring 72 passes through area C. The second lid 85 is located between the first internal wiring 71 and the second internal wiring 72, and prevents the first internal wiring 71 and the second internal wiring 72 from contacting each other. Area B is configured to allow the first internal wiring 71 to pass through loosely, and area C is configured to allow the second internal wiring 72 to pass through loosely. This allows the wiring guide 80 to be wired without depending on the diameter of the first internal wiring 71 and the second internal wiring 72.

[1-2. Effects, etc.]
As described above, in the embodiment, the washing machine 10 includes the housing 20, the control means (not shown), the first device, the second device, the first internal wiring 71, the second internal wiring 72, and the wiring guide 80. The control means controls the washing operation. The first device is electrically connected to the control means. The second device is electrically connected to the control means. The first internal wiring 71 electrically connects the control means to the first device. The second internal wiring 72 electrically connects the control means to the second device. The wiring guide 80 has a first lid 84, a second lid 85, and a substantially U-shaped main body 81. The first internal wiring 71 and the second internal wiring 72 are surrounded by the first lid 84 and the main body 81, and the second lid 85 is located between the first internal wiring 71 and the second internal wiring 72.

This allows the first internal wiring 71 and the second internal wiring 72, which have different connection destinations, to be wired separately inside the wiring guide 80. This makes it possible to suppress malfunctions caused by noise that occurs when the first internal wiring 71 and the second internal wiring 72 are in close proximity to each other.

As in the embodiment, the washing machine 10 may further include an inverter circuit (not shown), and the first device may be controlled by the inverter circuit, and the second device may not be controlled by the inverter circuit.

This prevents noise generated within the inverter circuit from causing malfunction of a second device that is not controlled by the inverter circuit.

As in the embodiment, the washing machine 10 further includes an outer tub 41, a washing tub 42, a motor 43, a bath water pump 62, a water supply valve 61, a water level detection means 63, and an operation display unit 50, and the first device may be either the motor 43 or the bath water pump 62, and the second device may be either the water supply valve 61, the water level detection means 63, or the operation display unit 50.

This prevents noise generated within the inverter circuit that controls the motor 43 and bath water pump 62 from causing malfunctions of the water supply valve 61, water level detection means 63, and operation display unit 50, which are not controlled by the inverter circuit.

As in the embodiment, the first lid 84 and the second lid 85 may be disposed on the main body 81 so as to be openable and closable. This allows the first lid 84 and the second lid 85 to be freely opened and closed, for example, when repairing the internal wiring 70.

As in the embodiment, the main body 81 may be configured in a stepped shape, with the first lid 84 disposed on the upper step 87 and the second lid 85 disposed on the lower step 88. This results in a simpler structure in which the wiring guide 80 does not overlap horizontally or vertically, and can be produced using less material.

(Modification of the embodiment)
Next, a modified example of the embodiment will be described with reference to Fig. 8. In the following, the same parts as those in the above embodiment will be given the same reference numerals, new illustrations and detailed explanations will be omitted, and differences from the embodiment will be mainly described.

In FIG. 8, the wiring guide 80 further has a hook 90 on the main body 81. The hook 90 can fix the wiring guide 80 to the base 21. This allows the wiring guide 80 to be fixed to the base 21 when wiring the internal wiring 70 along the base 21 without using a separate part such as a screw for fixing.

Other Embodiments
As described above, the embodiments have been described as examples of the technology disclosed in the present application. However, the technology in the present disclosure is not limited to the above, and may be applied to embodiments in which modifications, substitutions, additions, omissions, etc. are made.

Therefore, other embodiments are given below as examples.

In the embodiment, the first device is defined as a device controlled by an inverter circuit, including a motor 43 and a bath water pump 62, and the second device is defined as a device not controlled by an inverter circuit, including a drain valve 25, an operation display unit 50, a water supply valve 61, and a water level detection means 63, but the first device and the second device may be any device that is electrically connected to a control means.

In the embodiment, the first internal wiring 71 refers to a single wire connecting the control means and any one of the first devices, but multiple wires may be grouped together. The same applies to the second internal wiring 72.

In the embodiment, the wiring guide 80 is configured to be able to wire the first internal wiring 71 and the second internal wiring 72 separately, but the cover portion 83 of the wiring guide 80 may have more covers, and the internal wiring 70 may be further divided and wired separately. This allows for finer separate wiring for each device, and can better prevent malfunctions of each device due to noise generated by the internal wiring 70 being close to each other.

In the embodiment, the first lid 84 and the second lid of the wiring guide 80 are configured to open outward, but they may be configured to open inward. This can reduce the possibility of the lid portion 83 swinging outward due to vibrations during the washing operation of the washing machine.

In the modified embodiment, the hook 90 is fixed to the base 21 of the washing machine 10, but it may be fixed anywhere inside the housing 20. This allows the wiring guide 80 to guide the internal wiring 70 to devices located above the washing machine 10, such as the operation display unit 50 and the water supply valve 61.

In the embodiment, the shape of the main body 81 of the wiring guide 80 is approximately U-shaped, but the shape is not limited to this. For example, it may be approximately U-shaped or approximately V-shaped.

In the embodiment, the lid portion 83 of the wiring guide 80 is integrally formed with the main body portion 81, but the lid portion 83 and the main body portion 81 may be separate parts and assembled together using a part such as a hinge.

In the embodiment, the first lid 84 and the second lid 85 of the wiring guide 80 are arranged so as not to overlap, but they may overlap in the vertical direction.

In the embodiment, the first lid 84 and the second lid 85 of the wiring guide 80 are freely openable and closable, but they may be of a snap-in type and not openable and closable.

In the embodiment, the first internal wiring 71 is arranged to pass through region B of the wiring guide 80, and the second internal wiring 72 is arranged to pass through region C of the wiring guide 80, but the first internal wiring 71 may pass through region C and the second internal wiring 72 may pass through region B.

In the embodiment, a drum-type washing machine has been described as an example of a washing machine. The washing machine may be any type that can wash cloths with water. Therefore, the washing machine is not limited to a drum-type washing machine, and may be a vertical washing machine, a twin-tub washing machine, or a washer-dryer.

This disclosure is applicable to washing machines with internal wiring. Specifically, this disclosure is applicable to drum-type washing machines, vertical washing machines, twin-tub washing machines, washer-dryers, etc.

LIST OF SYMBOLS 10 Washing machine 20 Housing 21 Base 22 Anti-vibration damper 23 Door 24 Detergent dispenser 25 Drain valve 30 Control unit 40 Water tub unit 41 Outer tub 42 Washing tub 43 Motor 44 Rotating shaft 45 Bearing 50 Operation display unit 60 Water supply unit 61 Water supply valve 62 Bath water pump 63 Water level detection means 70 Internal wiring 71 First internal wiring 72 Second internal wiring 80 Wiring guide 81 Main body 82 Hole 83 Lid 84 First lid 85 Second lid 86 Claw 87 Upper portion 88 Lower portion 90 Hook A, B, C Areas

Claims (5)

A housing and
A control means for controlling a washing operation;
a first device and a second device electrically connected to the control means;
a first internal wiring electrically connecting the control means and the first device;
a second internal wiring electrically connecting the control means and the second device;
a wiring guide including a substantially U-shaped main body formed in a stepped shape, and a first lid and a second lid disposed at ends of the main body in a stepped manner;
Equipped with
the first lid and the second lid are provided to be openable and closable with respect to the main body,
the main body and the first lid form a region through which the first internal wiring and the second internal wiring pass;
the second lid is located between the first internal wiring and the second internal wiring, and the main body and the second lid form a second region through which the second internal wiring passes;
The washing machine , wherein the first internal wiring does not pass through the second area . An inverter circuit is further provided,
The first device is a device controlled by the inverter circuit, and the second device is a device not controlled by the inverter circuit.
The washing machine according to claim 1. An outer tank provided in the housing;
A washing tub rotatably provided in the outer tub;
A driving means for rotating the washing tub;
A bath water pump that supplies bath water to the outer tub;
A water supply valve for supplying tap water to the outer tank;
a water level detection means for detecting the amount of water supplied to the outer tank;
An operation display unit;
Further equipped with
the first device is either a driving means or a bath water pump,
The second device is any one of a water supply valve, a water level detection means, and an operation display unit.
The washing machine according to claim 2. The wiring guide further includes a hook.
The wiring guide is fixed to the inside of the housing by the hook.
The washing machine according to any one of claims 1 to 3. The wiring guide is fixed to the base of the housing by the hook.
The washing machine according to claim 4.