JPS5951881A - Full automatic washer - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fully automatic washing machine, and an object of the present invention is to eliminate the misalignment of laundry at the start of a spin-drying operation, thereby enabling a smooth spin-drying operation.

Conventional fully automatic washing machines perform washing, rinsing, and spin-drying operations sequentially in one washing/drying/drying tub, and have a relatively long cycle during washing and rinsing operations. The water flow in the tank is reversed each time.

Therefore, by setting the timer and turning on the start switch, the washing operation, rinsing operation, and spin-drying operation can be sequentially performed.

In this case, since the washing and rinsing operations are performed by reversing the water flow in the tub for relatively long cycles, the laundry items become entangled with each other and form clumps. If the laundry is in the form of clumps, it may become stuck in the baffle installed on the inner wall of the washing/dehydration tank (see Figure 6). , the load is concentrated on one part, and the vibration becomes large when starting the dehydration tank for washing 4. Not only does the vibration and noise increase, but the safety switch that detects the vibration of the washing and dehydration tank is activated, causing the dehydration to start. The washing and dehydrating tub is stopped even though the operation is not completed.

Therefore, it is difficult for users of fully automatic washing machines to determine whether the series of operations including spin-drying has been completed or whether the operation has stopped due to unbalanced laundry.
There are inconveniences such as when the lid is opened and it becomes clear that the dewatering operation has been stopped due to the 7' load, and the unbalanced laundry must be corrected and the dewatering operation must be performed again.

The present invention eliminates the unbalance of clumped laundry by shortening the period of water flow reversal at the end of the washing operation and rinsing operation, thereby solving the drawback of -1-, hereinafter referred to as " , will be described in detail with reference to the accompanying drawings, in which examples are shown.

Figure 1 is a simplified vertical H'fi view of a fully automatic washing machine;
The figure is a simplified cross-sectional view of the same, and shows the outer case of the fully automatic washing machine (
1), the water tank (5) is fully suspended via the vibration isolation mechanism surface (IO... It is connected to the motor (lυ) outside the aquarium via the rotational force transmission unit (13).

In addition, (2) is a two-sided plate provided at a predetermined position on the upper part of the outer box body (1) for incorporating a timer, start switch, etc.
(3) is a lever (4) that detects abnormal vibrations in the water tank (5)
It is a safety switch with

The dewatering tank (6) is a cylindrical box with an open top surface, and has a large number of small water passage holes in its circumferential wall, and a 6F: r/a product ( 14) A buff/l' (7) (7) is provided to provide an appropriate water flow to
Furthermore, a fluid balancer (9) is provided between one end and a pulsator (8) is provided at the center of the bottom surface.

The vibration isolating mechanism (10) connects the upper end ff+ (to a predetermined position of the outer box body (1), and connects the end of the rod loosely to the flange provided at the edge of the water tank (5). Lower end ((Tighten the flange)
, place the coil springs loosely on the rod body by placing them on both sides of the rod.

The rotational force transmission unit has a built-in speed reduction mechanism and a switching mechanism that rotationally drives the dehydration tank (6) during spin-drying operation (-1) that rotates only the pulsator (8) during laundry and rinsing operations. are doing.

FIG. 3 is a streetcar wiring diagram of the fully automatic washing machine of the present invention.

(II): is a motor with forward rotation terminal, reverse rotation terminal, and common terminal, 00 is a drain valve, 00 is a buzzer, and U is a water level switch that detects the water level in the water tank (5). 08) is a water supply valve, 09 is a timer motor, s14' is a lid switch (not shown) that is linked to the opening and closing of the lid, and 08) is a vinegar prevention device consisting of a series circuit of a resistor and a capacitor. and 513 is a start switch for energizing the fully automatic washing machine.

And so-ta (11), drain valve α, water supply valve (+8)
'η· switch sl, S2. Sa
, S4. S5. sG, S7+S8・S9・Sh
o・Sll・SI2 are provided. In addition, the switch SL,
S7. Ss and Sho are single-throw switches, and Ss and Sho are single-throw switches. S3. S4. Ss, S6. S
9. The SIL 512 is a double throw switch with a neutral position.

In more detail, the switching terminal of the switch s1 is connected to one terminal of the commercial alternating current power supply (b) via the start switch SI3, and the switch S
The switching terminals of 2°S3 and water level switch 07) are connected to the oil power terminal of the commercial alternating power supply (2).

Then, a timer motor (]!It is connected between the terminal al of the switch S1 and the first end a3 of the switch s8, and the drain valve u is connected directly to the switch s7, and the reversal cycle is The split tube mechanism (2) and the motor (11) are connected in a 1σ row.

The key point of the present invention, which is the switch S6. S8. S9. It consists of SIl and S12, connecting the switching end a of the switch S6 to the first end a3 of the switch Sa, and connecting the first end i'-a6 of the switch S6 to the normal rotation terminal of the motor (11)] ~, l ;7J switching terminal f・ is connected to the second terminal b6 of the switch S6, the first end of the switch S9, r-aft, and the second terminal b9 are respectively connected to the switch SI
2 + Connect to the switching terminal of So, switch S11,
The first terminals a++, a+2 of 512 are connected to the reverse rotation terminal of the motor (11) via the switch S8, and the 1, il; 2 terminals bl+, b12 are connected to the normal rotation terminal of the motor (11).

The first switches Sll and S12 are configured to be alternately connected to the first terminal and the second terminal r of the switching terminals at a constant cycle, respectively.
The switch SI+ connects the switching terminal to the first terminal f-31t for 27 seconds, then holds it in the neutral state for 3 seconds, then connects it to the second terminal bll for 27 seconds, and then holds it in the neutral state for 3 seconds. , the switch SI2 connects the switching terminal to the first terminal a12 for 3 seconds, holds it in the neutral state for 7 seconds, then connects it to the second terminal b12 for 3 seconds, and then
It is maintained in a neutral state for seconds (see Figure 5).
.

Further, the switching terminal of the switch S4 is connected to the normally closed terminal NC of the water level switch 07), and the switching terminal 1' of the switch S5 is connected to the first terminal a3 of the switch S3.

Then, the first terminal terminal a4 of the switch S4 is connected to the second terminal b2 of the switch S2, and the first terminal terminal a4 of the motor (11) is
Connect to the water supply valve ([8)
It is connected to the terminal al of the switch S1 via l-.

In addition, the first terminal 35 of the switch S5 is connected to the normally open terminal No of the water (・, γ Nuwitch a, and the second terminal f-1) 5 is connected to the switch S1 through the switch Sho and the buzzer (1・) in series. It is connected to terminal a1 of.

Further, the first terminal a2 of the switch S2 is connected to the switching terminal of the switch S8.

The functions of the two fully automatic washing machines configured as described above are as follows.

Set the timer and turn the nutat switch Se.
If a is input, the fully automatic washing machine will operate as follows.

That is, first, the switches S+ and Ss are turned ON, and the switching terminal of the switch S2 is turned on the first end ra2 side, and the switching terminal of the switch S4 is turned on the second end f-b4 side. , put the switching terminal of switch S5 into the first terminal b5 side,
The I, l, l switching end r- of the switch S6 is connected to the second terminal r-bB side, and the switching terminal of the switch S9 is connected to the second end F-b9 side. Since water has not been supplied yet, the water level switch q'7) Li1lJ
This is the state in which the replacement terminal R- is recessed into the normally closed IM terminal NC side.

Therefore, at the beginning, only the water supply valve Q8) operates to supply water into the water tank 15), and when the water level in the water tank (5) reaches a predetermined value, the switching terminal of the water level switch 0 is switched to the normally open terminal NO.
Insert the motor (1]) and timer motor (19)
) is energized, so the motor (1υ rotates forward for 27 seconds)
The washing operation is stopped for a second, then reversed for 27 seconds, then stopped for 3 seconds, and then repeated to perform the washing operation for a predetermined time. In this case, as the laundry is repeatedly reversed while receiving resistance from the 1 d baffle (7) (7), the laundry faces become entangled and form clumps.
) may become stuck on the surface (see Figure 6).

Next, by putting the switching terminal of the switch S9 into the first end f/a9 side, the remoter (11) is set to forward rotation 1d for 3 seconds.
After being reversed, it can be stopped for 7 seconds, and during the 3-second period, the 6L shrub (114) that has become a lump can be moved a little, and the baffle (7) is in a state where there is little climbing up. ~, and can be brought close to the center of the dehydration tank (6). Therefore, by repeating the reversal operation in short cycles, the cleaning rm vJJ04)'? : Batsuful (
7) Not only can the laundry V
The distribution state of I4) can be brought to the center of the dehydration tank (6) (see Fig. 7).

After carrying out the washing operation as described in (2) above, put the switching terminal of the switch S3 into the first terminal a3 side, and
By turning on the switch S7, the drain valve 00 is operated, and the water in the water tank (5) can be drained.

During this time, the switch s8 is kept in the OFF state, the switch S6*39 is kept in the neutral state, and the switch S8 is kept in the neutral state.
4, the switching terminal is connected to the melt 1 terminal 34 side, and the water level switch 0 to/i switching terminal is connected to the normally closed terminal NC side.

After performing the draining operation as described above, the distribution of the laundry (14) in the dehydration tank (6) is considerably closer to 5U in the dehydration tank (i6), resulting in an unbalanced state. becomes extremely small.

Therefore, when the drain valve 0 is activated, if the switching terminal of the switch S6 is set to the first terminal aG side, the dehydration tank (6) can be rotated in one direction and the dehydration operation can be performed. In this case, the position of the laundry (41) is lower than the center of gravity of the whole tank, but it is slightly higher, so the swing of the tank (5) is not disturbing and the safety switch (3)
) also does not work.

Further, after the dehydration operation is performed, water is first supplied into the water tank in the same manner as in the case of washing and auxiliary poetry, and then a rinsing operation can be performed by driving the motor (II) in forward and reverse rotation.

By repeating the following two washing operations, draining operation, spin-drying operation, and rinsing operation an appropriate number of times, a washing cycle can be automatically performed.

As shown in ``2'', in the present invention 1d, the reversal length of the pulsator on the dewatering operation surface 01J is significantly shortened, so that the cleaning speed of 1M
The spin-drying operation can be started while the objects are not skewed, and the shaking of the water tank can be completely reduced, so the safety switch is activated and the fully automatic washing machine stops in the middle of its operation. It has the effect of 4.- that the inconvenience of - can be significantly reduced.

[Brief explanation of the drawing]

FIG. 1 is a simplified diagram of the fully automatic washing machine of the present invention. FIG. 2 is a simplified cross-sectional view of the same cylinder 1. Figure 3 is a concentric air connection diagram. FIGS. 4 and 5 are time charts 1 to 5 showing the operating states of the switches. FIG. 6 and FIG. 7 are simplified longitudinal cross-sectional views showing the distribution state of the washed rM at the start of the dehydration operation. 1...Outer box, 3...Safety switch 5...Water tank, 6...
Dehydration tank 7...Baffle, 8...
・Pulsator 10... Anti-vibration mechanism, 11.
...Motor 13... Oral force transmission section, 1
4...Washing items 86, 58. S9.5lll S
12...Switch applicant Sharp Corporation t1゜

Claims (1)

[Claims] 1. In a fully automatic washing machine that automatically turns off the electricity in a series of washing, draining, rinsing, and spin-drying operations, the reversal cycle during washing and rinsing operations is changed from the normal reversal cycle for a predetermined period immediately before the draining and spin-drying operations. A fully automatic washing machine characterized by being provided with a cycle control means for shortening the cycle i9J.