JP2553654B2 - Washing machine - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a washing machine provided with an input / output means for setting and displaying laundry contents and the like on an upper portion of a washing machine main body.

2. Description of the Related Art In a conventional washing machine, as shown in FIGS. 3 and 4, an operating section 2 is provided on the upper part of a washing tub 1 which is easy to operate, and the operating section 2 is used for setting or displaying laundry contents. An input / output means 6 for performing the following, a control means 9 for performing control according to the input / output means 6, a power source 4 for supplying electric power to each of the means 6, 9,
The drive means 5 controlled by the output of the control means 9 is installed. Further, the motor section 3 driven by the drive means 5 and the drain valve 10 are installed in the lower part of the washing tub 1.
The motor part 3 and the drain valve 10 are made of copper lead wires 13, 14
Is connected to the drive means 5 above the washing tub 1 via
The AC100v copper power cord 15 was pulled out from the power source 4 above the washing tub 1 to the outlet at the bottom of the washing tub 1.

Problems to be Solved by the Invention In the above conventional configuration, the AC100v power cord 15 is
, 3 for motor lead wire 13, 2 for drain valve lead wire 14
This is a structure in which seven copper lead wires are drawn from the upper part to the lower part of the washing tub 1 so that the assembling workability of the washing machine is poor, and since these lead wires are for AC100v, the wire diameter is thicker and more Assembling work efficiency was reduced.

Also, the longer the copper lead wire is, the easier it is to receive and give noise and crosstalk due to electromagnetic induction.Therefore, if the copper lead wire is routed from top to bottom, the drain valve 12 There has been a problem that the washing machine malfunctions due to noise caused by opening and closing of the motor and driving of the motor unit 4 riding on the AC100v power cord 15 or riding on the drive means 5.

In view of the above problems, it is an object of the present invention to improve assembly workability and prevent malfunction of a washing machine due to noise reduction.

Means for Solving the Problems In order to achieve the above-mentioned object, the present invention provides an operating unit provided at an upper portion of a washing machine main body, a load portion such as a motor provided at a lower portion of the washing machine main body, and a drive unit for driving the load portion. Drive means for controlling, input / output means for setting and displaying contents of washing method, first transmitting / receiving means connected to the input / output means,
The input / output means and the first transmission / reception means are provided with the control means for controlling the drive means, the second transmission / reception means connected to the control means, and the power supply for supplying power to the respective means. The power source, the drive means, the second transmission / reception means, and the control means are installed adjacent to the load part, and the first and second transmission / reception means are connected via a transmission line, Data can be transmitted between the input / output unit and the control unit.

Function With this configuration, the load part and the drive means that require AC100v of the washing machine are located at the bottom of the washing machine body, so the length of the copper lead wire connecting them to AC100v can be shortened to the maximum and noise can be reduced. Can be planned. Further, the input / output means or the first transmitting / receiving means provided on the upper portion of the washing machine main body and the respective means provided on the lower portion for the user to operate or confirm the display include two lines for low voltage supply and one transmission line. Three
By connecting with a thin and light line of books, it is less susceptible to external noise, increases the reliability of the signal of the washing machine, and further improves the work efficiency when assembling the washing machine.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. 1 is a washing tub arranged in the main body 15 of the washing machine,
The operation unit 2 is provided on the upper part of the washing tub 1 to improve the operability for the user and make it easy to confirm the display. 3 is a motor part as a load provided under the washing tub 1 and 4 is an AC
Power supply for supplying 100V and low DC voltage, 5 is the motor unit 3
Is a drive means for controlling the drive of the. Reference numeral 6 denotes an input / output means for displaying the content of the washing method and for the user to input the washing method. The input / output means 6 is connected to the first transmitting / receiving means 7, and these means 6, 7 are operated. It is located in Part 2. Reference numeral 8 is a second transmission / reception means connected to the first transmission / reception means 7 through an optical fiber cable 11 which is a transmission line. The second transmission / reception means 8, the input / output means 6 and the first transmission / reception means 7, The drive means 5 is controlled by the control means 9. Reference numeral 10 is a drain valve which is a kind of load arranged in the lower part of the washing tub 1, and 12 is a DC low voltage supply line, which supplies a DC voltage to the input / output means 6 and the first transmission / reception means 7 of the operating section 2. . Further, the power source 4, the drive means 5, the second transmission / reception means 8 and the control means 9
Is the lower part of the washing tub 1 where the loads 3 and 10 are located, and the washing machine body 15
It is arranged at the bottom. The drive means 5, the motor unit 3 and the drain valve 10 are connected by a motor unit lead wire 13 and a drain valve lead wire 14, respectively.

 The operation of the above configuration will be described below.

First, the user inputs the washing method to the input / output unit 6. Then, this input state is displayed and the laundry is asked to confirm the input result. If the displayed content is contrary to what is desired, it is corrected, and if it is good, a start button (not shown) provided on the input / output unit 6 is pressed to cause the washing machine to perform washing such as driving the motor unit 3. As described above, it is preferable that the user inputs the washing operation and confirms the content of the washing operation at the upper portion of the washing machine. However, as mentioned above, we want to make the motor lead 13, the drain valve lead 14, and the AC 100v power cord 15 that are noise sources as short as possible.

Therefore, the input / output unit 6 is installed in the operation unit 2, and the power source 4, the drive unit 5, and the control unit 9 are installed adjacent to the motor unit 3 under the washing tub 1, so that noise is easily generated. Motor lead wire 13, drain valve lead wire 14, and AC 100v power cord
Make the length of 15 as short as possible to prevent the washing machine from malfunctioning due to noise.

According to the above-mentioned structure, the transmission and reception of signals between the input / output means 6 above the washing tub 1 and the control means 9 below the washing tub 1 and the power supply method above the washing tub 1 become problems. As a signal transmission method, an electric signal method using a copper lead wire, an infrared method, an optical transmission method using an optical fiber cable, and the like can be considered. In the electric signal system using copper lead wires, if the lead wires are laid around for a long time as described above, noise will be added or the signal level will drop, and malfunctions will easily occur, but noise reduction from each lead wire 13, 14 etc. The signal level can be improved compared to the conventional one, and the signal level can be sufficiently obtained by the first and second transmitting / receiving means 7 and 8. Next, there is an infrared method, which has no noise effect due to the power supply and has better noise resistance characteristics than the electric signal method. However, infrared has a problem of directivity,
It is necessary to take sufficient measures against vibrations such as washing tubs. Finally, of the optical transmission methods, a method using the optical fiber cable 11 as a signal transmission path will be considered. Since the optical fiber cable 11 is not an electric conductor, there are no problems such as external induction from a power cable or the like, radio wave interference from broadcast waves or the like, and ground potential difference. Moreover, crosstalk between the optical fiber cables can be ignored, so that the reliability of the signal itself is increased. Further, the control line for optical transmission may be one thin and light fiber optic cable 11.
By using the optical fiber cable 11 in this way, the first and second transmitting / receiving means 7 and 8 can transmit and receive signals using the optical fiber cable 11 as a transmission path, and as a result, the input / output connected to the first transmitting / receiving means 7. The means 6 can send and receive signals to and from the control means 9 connected to the second transmitting / receiving means 8.

Next, regarding the power supply method between the input / output unit 6 provided in the operation unit 2 and the first transmitting / receiving unit 7, since the input / output unit 6 and the first transmitting / receiving unit 7 operate at a DC low voltage, It can be covered by the DC low voltage supplied from 4. Therefore, the wires to be routed from the upper part to the lower part of the washing tub 1 may be two DC low voltage supply lines 13, one optical fiber cable 11 and a total of three thin and light lines, which is high in lead wire routing work when assembling the washing machine. The efficiency can be improved and the cost can be reduced.

In addition, the transmission loss is important as the optical transmission characteristic of the optical fiber cable 11, and when the light propagates in the fiber cable 11, its energy is attenuated by absorption and scattering. Therefore, as the transmission medium of the optical fiber cable 11, a material having a small transmission loss such as a silica glass material is desirable. However, in the case where the optical fiber cable 11 has a short distance for optical transmission such as from the upper part to the lower part of the washing tub 1, the vinyl material can be sufficiently used as the transmission medium of the optical fiber cable 11. Therefore, by using the vinyl material as the transmission medium of the optical fiber cable 11, an inexpensive washing machine can be provided.

As described above, according to the present invention, it is easy to receive noise and crosstalk due to electromagnetic induction, and the length of the copper lead wire that is easy to give can be shortened to the maximum, so that the reliability of the signal of the washing machine is increased, Moreover, the efficiency of the assembling work of the washing machine can be improved, and an inexpensive washing machine can be provided.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a washing machine body showing an embodiment of the present invention,
FIG. 2 is a block configuration diagram of a washing machine showing an embodiment of the present invention, FIG. 3 is a configuration diagram of a washing machine main body showing a conventional example, and FIG. 4 is a block configuration diagram of a washing machine showing a conventional example. . 1 …… Washing tub, 2 …… Operation part, 3 …… Motor part, 4 …… Power supply, 5
...... Drive means, 6 …… Input / output means, 7 …… First transmitting / receiving means, 8 …… Second transmitting / receiving means, 9 …… Control means, 1
0 …… Drain valve, 11 …… Optical fiber cable, 12 …… DC low voltage supply line, 13 …… Motor lead wire, 14 …… Drain valve lead wire, 15 …… AC100v power cord.

Front page continuation (72) Inventor Masaki Takahashi 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (56) References , U)

Claims (1)

(57) [Claims] 1. An operating unit provided on an upper portion of a washing machine body, a load portion such as a motor provided on a lower portion of the washing machine body, drive means for controlling driving of the load portion, and setting of contents of a washing method. An input / output means for displaying, a first transmitting / receiving means connected to the input / output means, a control means for controlling the drive means, a second receiving means connected to the control means, and Means for supplying electric power to the means, the input / output means and the first transmitting / receiving means are installed in the operating section, and the power source, drive means, second transmitting / receiving means and control means are adjacent to the load section. And the first and second transmitting / receiving means are connected to each other via a transmission path, and data transmission between the input / output means and the control means is possible.