JPS63246198A - Washing machine - 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] (b) Industrial usage total The present invention relates to a washing machine.

(b) Conventional technology The washing machine corresponding to the conventional example was published in U.S. Pat.
No. 6 (D06F 17106), and this will be explained based on No. 6ryJ.

(1) is a washing tub installed inside the machine frame (2), (3) is a rotary blade pivotally supported at the center of the bottom of the washing machine (1), and (4) is a pulley attached to the rotary blade (3). 5) The motor is connected via (6), and (7) is a presser plate that is removably attached to the tip of the rod (8) that protrudes from the center of the rotary blade (3). It has a back blade (9).

The rotary blade (3) is reversed by the motor (4) to agitate the laundry, and the presser plate (7) prevents the laundry from floating. Further, the back blade (9) of the presser plate (7) also forms a water flow in the tank.

However, as mentioned above, the purpose of this presser plate (7) is to prevent laundry from floating, and when washing a small amount of laundry, for example, washing should be carried out at a water level lower than that of the presser plate (7). If it is used, it is of no use and does not necessarily contribute to improving cleaning power.

(C) Problems to be Solved by the Invention The washing machine of the present invention selectively attaches aileron blades to the rotary blades, thereby making it possible to perform washing suitable for the type of laundry and This prevents washing that is not suitable for the type of washing.

(d) Means for Solving the Problems The washing machine of the present invention includes a washing tub, a rotary blade disposed at the bottom of the washing tub, a driving means for the rotary blade, and a rotary blade disposed at the bottom of the washing tub. A removably attached aileron, a setting input key for the washing process to be carried out without the aileron attached, a setting input key exclusively for small items in the washing process to be carried out with the aileron attached, and an input key for setting input keys for small items in the washing process to be carried out with the aileron attached; water supply discriminating means for discriminating whether or not water is being supplied to the aileron at a predetermined level above the upper surface of the aileron; a means for notifying the outside; control means for controlling the operation of the drive means and the notification means, and when the control means receives an input signal from the accessory-specific setting input key, the water level in the washing tub is determined by the water supply determination means. When it is determined that the water level is above the predetermined water level, a command is given to the notification means to notify the outside.

(e) Effect: To remove heavily soiled small items such as socks and work gloves, attach an aileron to the rotor and place it between the rotor and the aileron, and use a small amount of water to rub the small items strongly between the back blade and the rotor. wash.

If the water level is higher than the predetermined water level when an input signal is received from the small item-specific setting person, it means that normal laundry is about to be washed with the ailerons attached, and the small item For similar types of washing, the amount of water is too large,
This will be notified to the user.

Kube) Example Embodiments of the present invention will be described based on the drawings.

However, the same reference numerals are used for the same parts as in the conventional example, and the explanation is omitted.

(10) is an overflow filter, and the water level is displayed as high, medium, and low to serve as a guide when washing.

(11) is a blade shaft to which the driving force from the drive motor (4) is transmitted, and the rotation j! (12) is attached. The rotary blade 12> has a large diameter that occupies most of the bottom surface of the washing tub (1), has a planar shape, and has three blades (12a>...) provided at every 120 degrees on the upper surface. At the same time, a triangular prism-shaped wing bossk 13) is provided protruding from the center.

(14) is an auxiliary wing that can be detachably attached to the rotary wing (12), and has back blades (14a) formed radially on the back surface thereof.

The aileron (14) has an opening (
14b) An outer fitting part (15) is integrally provided vertically from the periphery, and further, an inverted U cross section is fitted to the wing boss (13) continuously from the end of the outer fitting part (15). A letter-shaped inner fitting portion (16) is formed. A fixing member (17) having a convex cross-section from above the opening (14b) is fitted onto the outer surface of the inner fitting portion (16) via a spring (18). (19) is a cap for closing the opening (14b), and is for regulating upward movement of the fixing member (17) urged by the spring (18); 17) protrusion (
The cylindrical portion (19a) into which the tube 17a) is inserted is fully erected.

Now, several forest-like recesses (20) are formed along the peripheral wall of the wing boss (13), and the recess (20) is located at the inner joint (16). )... are bored in the positions corresponding to the holes (21)...
The diameter of the hole (21) gradually decreases from the outside to the inside. Furthermore, a recess (2) is formed on the inner peripheral wall of the fixing member (17) slightly above the hole (21>).
2) is completely formed. Therefore, usually the hole (2
1), the inner circumferential wall (17b) of the fixing member (17)
) is closed.

(23)... is a sphere disposed inside the hole (21)... whose diameter is equal to the inner diameter of the hole (21) and the inner diameter of the inner fitting part <16). Since it is set slightly larger than the thickness, a part of the hole (21)...
It protrudes inward from the

In order to attach the aileron (13) to the rotary blade (12), first push down the fixing member (17) to fit the recess (22) into the hole (21). correspond to

Then, the sphere (23) moves into the recess (22) along the slope of the inner surface of the hole (21). Fit the fitting part (16) (state S in Figure 5 (A)). Then, when you release your hand, the fixing member (17) will return upward due to the bias of the spring (18). , the recess (
22) also moves upward, and the sphere (23)... is pushed to the left by the inner circumferential wall (17b) of the fixing member (17), and a part of it is pushed away from the hole (21)... Inward,
In other words, the spherical bodies (23) protrude into the recessed portions 20) (the state shown in FIG. 5(B)). Ailerons (13
) is stopped from being pulled out upwards.

Said assistance! &t (13) can be removed by performing the opposite operation, and by pushing down the fixing member (17), the engagement with the sphere (23) and the recess (20) is released. do.

Here, the auxiliary blade (14) and the rotary blade (12) are such that the upper surface of the auxiliary WL (14) is located below the low water level surface during washing, and the auxiliary blade (14) and the rotary blade (12) Between,
The high pitches are arranged so that there is enough space to fit small items such as socks and work gloves. Furthermore, the ailerons (14)
The diameter A of the rotor blade (12) is 70% to 90% of the diameter B of the rotor blade (12), and the diameter C of the aileron blade (14) extends from the center to the periphery.
By slanting the blade downward, even if small objects are placed on the upper surface of the aileron (14), they can be easily guided to the lower surface of the aileron (14).

Now, an annular magnet (2
4) is attached to the side wall of the washing WI tank (1), and on the other hand, a magnet (24) is attached to the side wall of the washing WI tank (1) at a position facing the magnet (24) when the aileron (14) is attached to the rotary blade (12>). , a reed switch (2) closed by the magnet (24).
5) is attached.

(26)... are a pair of electrodes attached to the low water level position on the inner wall of the washing tub (1), and a plurality of electrodes are arranged along the low water level position.

FIG. 7 shows a part of the operating section (27) provided at the rear of the upper part of the machine frame (2).
) Various input operation keys and display light emitting diodes (LEDs) for setting the operating state of the washing machine are arranged on the front operation panel (28).

That is, (29) is the washing time setting key for setting and inputting the washing time (15, 10, 7, 5, 3 minutes), and the setting status of each setting time is displayed at the top corresponding to this key. The five L E D (30) for washing are fully arranged, and each time the washing time setting key (29) is pressed, the set time is changed, and at the same time, the corresponding one of the L E D <30) is Light.

(31) is the dehydration time setting key for setting and inputting the dehydration time (7, 5, 3, 1 minute). At the top corresponding to this key, there are 4 keys to display the setting status of each setting time. Three LEDs (32) are arranged, and each time the dehydration time setting key (31) is pressed, the set time is changed, and at the same time, the corresponding one of the LEDs (32) lights up. The washing time setting key (29) and the spin-drying time setting key (31) also serve as start keys for the respective processes.

(33) is a pause key for interrupting the process being executed, and pressing it twice cancels the paused state.

(34) is a water flow intensity setting key for changing the strength of water flow in the tank (strong, standard, soft) by changing the rotation period of the rotary blade (12). L E D (35) are arranged, and each time the pressure is pressed, the water flow intensity can be switched and set, and at the same time the L E
The corresponding one of D (35) lights up.

In addition, the stronger the water flow strength is than 1, the stronger the rotor blade (12) becomes.
The ON time during the rotation period becomes longer.

(36) means that the aileron (
14) is attached to wash small items such as heavily soiled socks and work gloves, the rotation period of the rotary blade (12) is specially set, and a water stream dedicated to washing small items is provided, which is separate from each of the water streams described above. This is a water flow setting key for small items (hereinafter referred to as the small item key) to generate water flow, and when pressed, the water flow setting key for the small item (36
) will light up to notify you that input has been accepted, and pressing the button again will dismiss the team. Incidentally, in this water flow exclusively for small items, the rotation period of the rotor blade (12) is reduced to an extremely short time (both ON and OFF).

A sheet for an assistant is pasted on the operation panel (28), and displays corresponding to the operations of the operation keys and LEDs are provided on the sheet, respectively.

All operations of the washing machine of this embodiment are controlled by a microcomputer (38) (hereinafter referred to as microcomputer), and the conduction states of the reed switch (25) and electrodes (26) are also controlled by the microcomputer (38). 38). Hereinafter, the control mechanism of the washing machine centered on the microcomputer (38) will be explained based on FIG. 3.

The microcomputer (38) includes CPU (40>, RAM
(41), ROM (42), timer (43), system bus (44) and input/output board (45) to (50)
It consists of The CPU (40) is a control unit (51)
and a calculation section (52), and the control section (51)
takes out and executes instructions, and the arithmetic unit (52
) performs arithmetic processing such as binary addition, logical operation, increase/decrease, and comparison on data given from an input device or memory in response to a control signal from the control unit (51) during the instruction execution stage. (41) is for storing data regarding the washing machine, and the ROM (42) is for setting means for operating the washing machine in advance, conditions for judgment, and processing various information. This is to load the rules, etc.

The input boards (45) to (47) include input key circuits (
53), the reed switch (25) and each of the electrodes (
26) ... is input, and based on this information, the LED drive circuit composed of the various light emitting diode groups is selected from the output ports (48) to (50).
), process end notification or abnormality notification buzzer circuit (55),
Load drive circuit (5
6), etc., control signals are sent. The load driving circuit (
56) is a left and right rotation circuit (57) (58) of a rotor blade drive motor according to a control signal from the microcomputer (38).
) and the dehydration tank driving motor drive circuit (59). (60) is a power supply circuit that supplies voltage to the microcomputer (38), and (61) is a reset signal generation circuit.

In such a washing machine, in order to wash heavily soiled small items such as socks and work gloves, these small items are moved through the ailerons (1).
4) and the rotor blade (12), and water is supplied to the upper part of the aileron (14) to connect the navigation rotor (12) to the aileron (14).
) and reverse left and right at low speed (approximately 18 Or, p, m) and in short periods. Then, these small items are transferred to the rotor blade (
12) and the rear blades (14a) of the aileron (14).

Now, here, laundry items other than small items such as shirts and pants are agitated by the rotary blades (12) at the normal water level (high to low) with the ailerons (14) removed. ,
For example, if such normal washing is performed with the aileron (14) attached, the water flow induced by the rotary blade (12) is blocked by the aileron (14), resulting in a weak water flow in the tub. As a result, cleaning power is significantly reduced, and large laundry items such as shirts and pants may get caught between the auxiliary R (14) and the inner wall of the washing tub (1) during washing, or the auxiliary blades ( 14) There is a risk that it may get caught on the periphery and damage the fabric or damage the aileron (14). If the shape of the auxiliary blade (14) is made similar to the shape of the rotary blade (12), the former concern will be resolved; however,
The latter still cannot be resolved.

In addition, if you wash small items while forgetting to attach the auxiliary blade 14), the rotary blade 12
), which results in poor dirt removal.

The present embodiment is intended to prevent such problems.The operation thereof will be explained below with reference to the flowchart of FIG. 5. It should be noted that the "dedicated key" here refers to the above-mentioned /JX product-dedicated key (36), and the "normal key °'" refers to the water flow intensity setting key (34).

First, immediately after the power is turned on, the water flow intensity can be automatically set to the "standard" water flow. After water has been supplied to the washing tub (1), the microcomputer (38) checks the input state of the small item key (36) (S-1), and upon receiving an input signal, starts washing small items. The L E D (35) is turned off and the L E D
(37) lights up. Furthermore, the electrode (26)...
- Check the conduction state of the reed switch (25) and the open/close state of the reed switch (25) (S-2) (S-3), and check all the electrodes (26).
)... is conductive, it is assumed that water is being supplied above the specified water level and normal washing is about to be performed despite the input for washing small items.In this case, proper washing cannot be performed. (Even if you were trying to wash small items, this would use too much water.)
9) Input reception is prohibited (S-4) and at the same time, a buzzer is sounded for 5 seconds to notify the user. Also,
Even if all the electrodes <26)... in mI are not conductive and the water level is below the predetermined water level, the reed switch (25)
If it is detected that the FF is open and the aileron (14) is not installed, the input reception of the washing time setting key 29) is similarly prohibited and the buzzer sounds. is below the predetermined water level, and the above-mentioned auxiliary! i! If (14>) is also attached, the rotary blade (12) is rotated at a rotation period dedicated to the small item by operating the washing time setting key (29) (S-6).

In (S-1), if the accessory key (36) is not operated, one of the water flow intensities is set and normal washing is performed, and the microcomputer (38)
) then checks the open/closed state of the reed switch (25) (S-7), and confirms that the reed switch (25) is ON.
(Kaisei), it is determined that the aileron (14) is attached and that the aileron (14) is still attached even though the small items are not washed, and in this case, the aileron (14) is still attached. The user is notified of this by prohibiting the reception of input from the washing time setting key (29) and by sounding a buzzer for 5 seconds.

If the reed switch (25) is 0FF (open) and the ailerons (14) are not installed, the washing time setting key (29) is operated to turn the rotary blades (12) at a rotation period according to the set water flow. ) to start the washing process.

If the buzzer detects improper washing during the input operation stage as described above, the user should
Auxiliary i! (14) Check the wearing condition or increase or decrease the amount of water to obtain the proper washing condition.

As described above, in this embodiment, heavily soiled small items are washed with the ailerons (14) attached, other laundry items are washed only with the rotary blades (12) as usual, and other types of laundry that are improperly washed are When water is about to be carried out, the user is notified of this fact, and in addition to the electrodes, a conventionally well-known air trap type pressure sensor may be used as a means for detecting the water level in the tank. , In addition to the reed switch (25), as a means for determining the attachment state of the aileron (14), for example, when the aileron (14) is attached, the auxiliary j! (14)
It may be of an electromagnetic configuration in which a core provided in the rotary blade (12) is inserted into a coil drawn into the rotary blade (12) and changes the oscillation frequency of an oscillation circuit of which the coil is a part. Furthermore, an LED may be made to blink as a means for notifying the outside.

The reason for providing a plurality of the electrodes (26) is to prevent the electrode from becoming erroneously conductive or malfunctioning due to bubbles, for example, even if water is not being supplied to the electrode position. In fact, only one electrode serves the function of water level detection.

(G) Effects of the Invention In the washing machine of the present invention, heavily soiled small items such as socks and work gloves are placed between the rotary blades by attaching ailerons to the rotary blades, and are placed between the rotary blades and the ailerons, so that small items such as socks and work gloves can be easily removed from the rotor blades with a small amount of water. Since the ailerons and the back blades of the ailerons scrub strongly, it is possible to obtain an excellent effect in cleaning these small items.

Laundry items other than these heavily soiled small items are washed as usual with only the rotary blades, and if an attempt is made to wash them improperly using a combination other than the above, the user will be notified. Therefore, accidents such as a decrease in the cleaning rate and damage to the cloth due to improper washing 1 can be prevented.

[Brief explanation of drawings]

FIG. 1 is a cross-sectional view of the main parts of the washing tub of the washing machine of the present invention, FIG. 2 is a cross-sectional plan view thereof, and FIG. 3 is a front view of the operating section.
FIG. 4 is a block circuit diagram of the control mechanism, FIGS. 5(a) and 5(b) are side sectional views of the aileron and rotor blades showing the attachment/detachment mechanism of the aileron, and FIG. 6 is a flowchart showing the operation of the washing machine. 7th
The figure is a sectional view of main parts of a conventional washing machine. (1) Washing tub, (4)... drive motor (drive means),
(12)...rotor wing, (14)...aileron, (26
)...Electrode (water supply discrimination means), (34)...Water flow intensity setting key (setting input key), (36)...Water flow setting key for small items (Setup key for small items-1, (38)・・・
・Microcomputer control means), (55)...
Buzzer circuit notification means.

Claims (2)

[Claims] (1) A washing tub, a rotary blade disposed at the bottom of the washing tub, a drive means for the rotary blade, an auxiliary blade detachably attached to the top of the rotary blade, and the auxiliary blade attached. A setting input key for a washing process to be carried out when the aileron is not installed, a setting input key exclusively for small items for a washing process to be carried out with the aileron attached, and a setting input key for setting the washing process to be carried out when the aileron is not installed, and a setting input key for small items to be carried out when the aileron is attached. water supply determination means for determining whether or not there is a water supply;
and a control means for controlling the operation of the driving means and the notification means in accordance with input information from each of the input keys and the water supply determination means, the control means controlling the operation of the small item-specific setting input key. The washing machine is characterized in that when the water supply determining means determines that the water level in the washing tub is equal to or higher than the predetermined water level when an input signal is received from washing machine. (2) The washing machine according to claim 1, wherein the water supply determining means is a pair of electrodes attached to the predetermined water level in the washing tub.