JPH11248319A - Ice crusher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate a situation where ice pieces are fed excessively when small quantity of ice pieces is required although an ice crush operation switch is pushed only instantaneously because the rotational speed of a driver is constant and the switch mush be pushed for a long time when a large quantity of ice pieces are required. SOLUTION: The ice crusher comprises a driver for turning a movable tooth crushing an ice through a motor and an arm feeding ices in a hopper to a crushing section, a switch 15 being pushed when the driver is operated at high speed, a switch 19 being pushed when the driver is operated at low speed, a high r.p.m. setting means 17, and a low r.p.m. setting means 20. When a large quantity of ice pieces is required, an user pushes the high speed rotational operation switch 17 to rotate the driver at high speed. When only a small quantity of ice pieces is required, the user pushes the low speed rotational operation switch 20 to rotate the driver at low speed thus taking out a required quantity of ice pieces easily.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to control of an ice crusher provided in a refrigerator or the like.

[0002]

2. Description of the Related Art Conventionally, this kind of operation control is disclosed in
The configuration as shown in the 80548 publication was common. The configuration will be described below with reference to FIGS.

FIG. 7 is a block diagram of control means of a conventional refrigerator, FIG. 8 is a perspective view of an ice crusher of the conventional refrigerator, and FIG. 9 is a structural diagram of a driving device of the conventional ice crusher. 7, 8, and 9, 1 is a refrigerator main body, 2 is a freezing room, and 3 is an ice crusher provided in a part of the freezing room 2 to crush ice to produce ice chips. Reference numeral 4 denotes an ice crushing operation switch for operating the ice crusher 3. While the switch 4 is being pressed, the driving device 6 of the ice crusher 3 is operated by the motor driving means 5 to crush and discharge the ice. Reference numeral 7 denotes an ice take-out unit for receiving and taking out the ice crushed by the ice crusher 3 with a cup or the like. A fixed tooth 11 and a movable tooth 12 are provided in the crushing section 9, and ice is crushed between the fixed teeth 11 and the movable teeth 12 to discharge ice pieces from the discharge port 13.

[0004] The operation of the ice crusher of the refrigerator configured as described above will be described below with reference to FIG.

FIG. 10 is a flowchart for explaining control of a conventional ice crusher. First, an input is taken in step 1 and it is checked in step 2 whether the ice breaking operation switch 4 is pressed. Ice breaking operation switch 4
If the button is pressed, the operation proceeds to step 3 to turn on the driving device 6 of the ice crusher 3 to break the ice, discharge ice pieces from the discharge port 13, receive the ice pieces in the ice take-out section 7 with a cup or the like, and collect the ice pieces. use. If the ice crushing operation switch 4 is not depressed in step 2, the process proceeds to step 4 and the driving device 6 is turned off.
FF. Therefore, when the ice crusher 3 is used, a cup or the like is provided in the ice take-out section 7 and ice pieces are taken out while the ice crushing operation switch 4 is pressed.

[0006]

However, in this ice crusher, since the rotation speed of the driving device 6 is constant, when a large amount of ice pieces are to be taken out, the ice crushing unit 7 holds the cup for a long time while crushing the ice. The operation switch 4 must be kept pressed, and when only a small amount is desired, the driving device 6 is turned too much and the ice chips come out too much even if the user intends to press the ice crushing operation switch 4 for a moment. There was a problem that it was necessary to transfer as much as needed.

An object of the present invention is to realize an ice crusher that allows a user to easily take out a desired amount of ice chips.

[0008]

SUMMARY OF THE INVENTION In order to solve this problem, the present invention is to rotate a driving device of an ice crusher at a high speed when a user of an ice crusher presses a large ice crushing operation switch when he wants a large amount of ice chips. When a small amount of ice is smashed when a small amount of ice is required, the driving device of the ice crusher is rotated at a low speed.

Thus, even when a large amount of ice pieces are to be taken out, the ice crushing operation switch is not kept depressed for a long time while holding the cup or the like at the ice taking-out section. Even if you just push it, the driving device turns too much and the ice chips come out too much, so you do not have to transfer it as much as you need after receiving it in another container, and the user can easily take out the desired amount of ice chips be able to.

In order to solve this problem, according to the present invention, when the user of the ice crusher presses the ice crushing operation switch, the driving device of the ice crusher initially rotates at a low speed, and the ice crushing operation switch is turned on for a predetermined time or more. The ice crusher drive device is configured to change to high-speed rotation when pressed continuously.

Thus, when only a small amount of ice chips is desired, if the ice crushing operation switch is pressed for a moment, the driving device rotates slowly and slightly so that the ice chips do not come out too much. It is no longer necessary to transfer ice by minutes, so when you want to take out a lot, press the ice crushing operation switch and after a predetermined time elapses, the driving device rotates at high speed, so ice crushing while holding the cup etc. in the ice removal part for a long time It is no longer necessary to keep pressing the operation switch, and the user can easily take out the desired amount of ice chips.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS According to the first aspect of the present invention, there is provided a hopper for charging ice, an arm for feeding the charged ice to a crushing unit having movable teeth and fixed teeth, and a motor for driving the movable teeth. A driving device for rotating the arm in the forward rotation direction, a high-speed rotation operation switch pressed when using the driving device at high speed rotation, a low-speed rotation operation switch pressed when using the driving device at low speed rotation, and the number of rotations. An ice crusher having high-speed rotation setting means and low-speed rotation setting means to be set.When a user of the ice crusher wants a large amount of ice chips, pressing a high-speed rotation operation switch causes the ice crusher driving device to rotate at a high speed. If you want a small amount, press the low-speed rotation operation switch to rotate the ice crusher drive at low speed, so you want to take out a lot of ice chips Even if the ice crushing operation switch is not held down while holding the cup etc. for a long time in the ice take-out part, and the drive unit is too rotated even if you intend to press the ice crushing operation switch for a moment when you want only a little It is no longer necessary to transfer as much as necessary after receiving in another container once, and the user can easily take out the desired amount of ice chips.

According to a second aspect of the present invention, there is provided an ice crusher operation switch which is pressed when a user of the ice crusher wants to remove ice pieces, rotation speed setting means for setting the rotation speed of the motor, and the ice crusher. It is an ice crusher with a timer that counts the time that the crushing operation switch is pressed, and when you want only a small amount of ice chips, just press the ice crushing operation switch for a moment and the drive device turns slowly and slightly and the ice chips There is no need to transfer as much as necessary after receiving it in another container once, and even if you want to take out a lot, press the ice crushing switch and after a predetermined time elapse the drive rotates at high speed It is not necessary to keep pressing the ice crushing operation switch while holding the cup etc. , Can be taken out only ice chips easily want amount user.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an ice crusher according to the present invention will be described below with reference to FIGS. In addition,
The same reference numerals are given to the same components as those in the related art, and the detailed description is omitted.

(Embodiment 1) FIG. 1 is a block diagram of a control means of a refrigerator in Embodiment 1 of the present invention, FIG. 2 is a perspective view of an ice crusher in Embodiment 1 of the present invention, and FIG. 3 is an embodiment of the present invention. 3 is a flowchart for explaining control of the ice crusher in FIG.

In FIG. 1, reference numeral 14 denotes an ice crusher, and reference numeral 15 denotes a high-speed rotation operation switch. When the switch is depressed, a motor driving means 16 is set by a high-speed rotation setting means 17 and a driving device 18 rotates at a high speed. Reference numeral 19 denotes a low-speed rotation operation switch. When this switch is pressed, the motor driving means 16 is set by the low-speed rotation setting means 20, and the driving device 18 rotates at low speed.

The operation of this configuration will be described with reference to FIG. Step 1 is omitted because it is the same as the conventional example.

In step 101, the low-speed rotation operation switch 1
9 is pressed, the motor driving means 1
6 is set by the low-speed rotation setting means 20;
At 03, the driving device 18 rotates at a low speed. Thus, when the user of the ice crusher 14 wants only a little, pressing the low-speed rotation operation switch 19 causes the driving device 18 of the ice crusher 14 to rotate at a low speed, so that the driving device turns too much and ice chips come out too much, once It is no longer necessary to transfer as much as needed after receiving it in a container. If the low-speed rotation operation switch 19 has not been pressed in step 101, the process proceeds to step 104, and if the high-speed rotation operation switch 15 has been pressed, step 105
, The motor driving means 16 is set by the high-speed rotation setting means 17, and in step 103, the driving device 18 rotates at high speed. This eliminates the need to keep pressing the ice crushing operation switch while holding a cup or the like in the ice removing section for a long time even when it is desired to remove a large amount of ice pieces. If the high-speed rotation operation switch 15 has not been pressed in step 104, step 10
The process proceeds to step 6, where the drive device 18 is turned off, and the process returns to step 1. Thus, the ice crusher of the present invention rotates the ice crusher driving device at a high speed when the user presses a high speed rotation operation switch when a large amount of ice chips are desired, and presses a low speed rotation operation switch when a small amount is desired. To rotate the ice crusher drive at low speed,
When you want to take out a lot of ice chips, do not hold down the ice crushing operation switch while holding the cup etc. at the ice removal part for a long time, and when you want only a little, drive it even if you intend to press the ice crushing operation switch for a moment The device does not rotate too much and the ice chips come out too much, so that it is no longer necessary to transfer the necessary amount after receiving it in another container, and the user can easily take out the desired amount of ice chips.

(Embodiment 2) FIG. 4 is a block diagram of a control means of a refrigerator in Embodiment 2 of the present invention, FIG. 5 is a perspective view of an ice crusher in Embodiment 2 of the present invention, and FIG. 6 is an embodiment of the present invention. 6 is a flowchart for explaining control of the ice crusher in FIG.

In FIG. 4, reference numeral 21 denotes an ice crusher, reference numeral 22 denotes a timer for counting the time during which the ice crushing operation switch is pressed, and reference numeral 23 denotes a rotation of a motor driving means 25 for driving a driving device 24 of the ice crusher 21. It is a rotation number setting means for setting the number.

The operation of this configuration will be described with reference to FIG. Step 201 Input the input Step 2
At 02, it is checked whether the ice crushing operation switch 4 is pressed. If the ice crushing operation switch 4 has not been pressed in step 202, the process returns to step 201. If the switch has been pressed, the process proceeds to step 203, the timer 22 is started, and the rotation speed setting means 23 is set to low speed rotation in step 204, and in step 205 The driving device 24 is turned on. Step 20
If the ice crushing operation switch 4 is not depressed in step 6, the timer 22 is cleared to step 207, the driving device 24 is turned off in step 208, and the process returns to step 201. If the ice crushing operation switch 4 is depressed, step 209 is executed. The process proceeds to step 204 if the timer 22 has not counted up, and returns to step 204 if the timer 22 has counted up.
Proceed to 10. In this way, when the ice crushing operation switch 4 is pressed, the driving device 24 first rotates at a low speed while the ice crushing operation switch 4 is pressed. Therefore, when only a small amount of ice chips is desired, the ice crushing operation switch 4 is pressed for a moment. For example, since the driving device 24 rotates slowly and slightly, the ice chips do not come out too much, and it is no longer necessary to transfer the ice pieces once they are received by another container. If the timer 22 has counted up in step 209, the rotation speed setting means 23 is set to high speed rotation in step 210. If the ice crushing switch 4 has been pressed in step 211, the process returns to step 210, and if not, the process proceeds to step 210. At step 212, the timer 22 is cleared. At step 213, the driving device 24 is turned off, and the process returns to step 201. In this manner, when the ice crushing operation switch 4 is continuously pressed for a predetermined time or more, the driving device 24 changes to high speed rotation and continues to rotate at the same speed while the ice crushing operation switch 4 is pressed. When a predetermined time elapses after pressing the button 4, the driving device 24 rotates at a high speed, so that the ice crushing operation switch 4 does not have to be kept pressed while holding the cup or the like in the ice removing unit 7 for a long time.
The user can easily take out the desired amount of ice pieces.

As described above, the ice crusher of the present invention can be used in such a manner that when the user wants only a small amount of ice pieces, if the user presses the ice crushing operation switch for a moment, the driving device turns slowly and slightly, so that the ice pieces do not come out too much. There is no longer the need to transfer as much as necessary after receiving it in another container, and even if you want to take out a lot, press the ice crushing switch and after a predetermined time elapses, the driving device rotates at a high speed and the ice is taken out for a long time It is no longer necessary to keep pressing the ice crushing operation switch while holding the cup or the like in the section, and the user can easily take out the desired amount of ice pieces.

[0023]

As described above, according to the present invention, when the user of the ice crusher wants a large amount of ice chips, when the high-speed rotation operation switch is pressed, the driving device of the ice crusher is rotated at a high speed and only a little is desired. Sometimes pressing the low-speed rotation operation switch rotates the ice crusher driving device at low speed, so when you want to take out a lot of ice pieces, you do not keep pressing the ice crushing operation switch while holding a cup etc. in the ice removal part for a long time Also, when you want a little bit, even if you intend to press the ice crushing operation switch for a moment, the driving device turns too much and the ice chips come out too much, you need to transfer it as needed after receiving it with another container once As a result, an advantageous effect that the user can easily take out the desired amount of ice pieces can be obtained.

As described above, according to the present invention, when the user of the ice crusher wants only a small amount of ice pieces, if the ice crushing operation switch is pressed for a moment, the driving device rotates slowly and slightly, so that the ice pieces can be removed. It does not go out too much, and it is no longer necessary to transfer it as much as necessary after receiving it in another container, and when you want to take out a lot, press the ice crushing switch and after a predetermined time elapses, the drive rotates at high speed Therefore, it is not necessary to keep pushing the ice crushing operation switch while holding the cup or the like in the ice removing section for a long time, and the advantageous effect that the user can easily remove the desired amount of ice pieces can be obtained.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating an ice crusher of a refrigerator according to a first embodiment of the present invention.

FIG. 2 is a perspective view of the ice crusher.

FIG. 3 is a flowchart of the ice crusher.

FIG. 4 is a block diagram illustrating an ice crusher of a refrigerator according to a second embodiment of the present invention.

FIG. 5 is a perspective view of the ice crusher.

FIG. 6 is a flowchart of the ice crusher.

FIG. 7 is a block diagram showing an ice crusher of a refrigerator according to a conventional mode.

FIG. 8 is a perspective view of the ice crusher.

FIG. 9 is a structural diagram of a driving device of the ice crusher.

FIG. 10 is a flowchart of the ice crusher.

[Explanation of symbols]

 Reference Signs List 4 ice crushing operation switch 8 hopper 9 crushing part 10 arm 11 fixed tooth 12 movable tooth 14 ice crusher 15 high speed rotation operation switch 17 high speed rotation setting means 18 driving device 19 low speed rotation operation switch 20 low speed rotation setting means 21 ice crusher 22 timer 23 Speed setting means 24 Drive

Claims (2)

[Claims] 1. An ice crusher for crushing ice put into a hopper by rotating movable teeth to form ice pieces, wherein the arm sends the entered ice to a crushing section having the movable teeth and fixed teeth, and a motor. A driving device for rotating the movable teeth and the arm in the forward rotation direction, a high-speed rotation operation switch pressed when using the driving device at high speed rotation, a low-speed rotation operation switch pressed when using the driving device at low speed rotation, An ice crusher comprising high-speed rotation setting means and low-speed rotation setting means for setting the number of rotations. 2. An ice crusher for crushing ice thrown into a hopper by rotating movable teeth to produce ice chips, wherein the arm sends the thrown ice to a crushing section having the movable teeth and fixed teeth, and a motor. A driving device for rotating the movable teeth and the arm in the forward rotation direction, an ice crushing operation switch pressed when a user of the ice crusher wants to take out ice pieces, and rotation speed setting means for setting the rotation speed of the motor; An ice crusher comprising: a timer for counting a time during which the ice crushing operation switch is pressed.