KR20100070865A - Safety device using vibration sensing in a drum type washing machine - Google Patents

Abstract

PURPOSE: A vibration sensitive safety system of a drum washing machine is provided to automatically open a door of a washing machine by sensing an object in the inside of a drum and to prevent a safety accident by informing to user wirelessly. CONSTITUTION: A vibration sensitive safety system of a drum washing machine comprises: a vibration sensor(130) which is installed in a washing tub(100); an adapter(135) which supplies an external power to the vibration sensor to be operated; and an opening unit which is connected to the vibration sensor, opens a door(110) of the washing tub with sensing the vibration of the washing tub by the vibration sensor and includes a control switch(147) and a wire(146) which connects to a solenoid.

Description

Safety device using vibration sensing in a drum type washing machine}

The present invention relates to a drum washing machine, and more particularly, to a vibration detecting safety device of a drum washing machine to prevent an accident by displaying an accident occurring inside the drum type washing tank to the outside.

In general, a washing machine is a device for washing laundry by using the emulsification of the detergent and the friction action of the water flow due to the rotation of the washing blade and the impact action of the washing blade, mainly the electric motor, the action of detergent and water Use the process of washing, rinsing, and dehydrating to separate the contaminants from clothing.

The washing machine is composed of a motor, a power unit, a mechanical unit for transmitting energy to a laundry, a control unit for adjusting a washing process, and a water supply and drainage system for supplying and discharging water. The washing machine is classified into a drum type, agitator type, and a pulsator type according to a washing method.

Here, the drum washing machine is a device for washing by using a friction between the rotating drum and the laundry and tapping when the laundry falls down from the inside of the rotating drum, there is almost no damage to the laundry, the laundry does not get tangled with each other Have.

Such a drum washing machine is installed in a cabinet equipped with a control unit, horizontally inside the cabinet, a tub for washing water, rotatably installed in a tub, a drum into which laundry is put, and a door installed to the cabinet to open and close a laundry inlet of the tub. And a drive motor installed at the rear of the drum to rotate the drum.

Here, the laundry inlet of the drum washing machine is formed at a relatively low position unlike other washing machines. And, the laundry inlet is opened and closed by the door, and when the laundry proceeds after the laundry is put into the drum, the door is closed by being locked.

On the other hand, if a door is locked after a child or pet enters the drum while the laundry inlet is opened, the door cannot be opened inside the drum, so an accident may occur due to lack of oxygen in the drum or There was a problem that an accident occurred due to operation.

The present invention has been made to solve the above-mentioned problems of the prior art, when a child or pet is trapped by the door in the washing tank occurs, the door of the washing tank to automatically detect the movement of the object in the drum It is to provide a vibration detection safety device of the drum washing machine that can prevent the safety accident by opening and informing the remote users wirelessly.

The vibration sensing safety device of the drum washing machine according to the present invention comprises a vibration sensor installed in the washing tank for detecting vibration, the adapter for supplying external power to the vibration sensor to operate; And an opening means connected to the vibration sensor to detect vibration of the washing tank from the vibration sensor and open the door of the washing tank.

Here, the opening means is a wire connecting the solenoid included in the adapter and the locking device of the door; And a control switch sensing vibration of the washing tank from the vibration sensor and applying operating power to the solenoid from the adapter.

At this time, the opening means is a solenoid installed on the outer peripheral portion of the door; And a locking rod provided in the solenoid and protruding outward of the door by the operation of the solenoid to prevent the door from closing.

In addition, the opening means is a solenoid installed in the laundry inlet of the drum washing machine; And a blocking rod provided in the solenoid to protrude from the inner surface of the laundry inlet to prevent the door from closing.

On the other hand, the opening means is installed in the locking device of the door and the disc opening and closing the opening of the door latch; And a motor connected to the disc to rotate the disc.

In addition, the opening means controller for sensing the vibration of the washing tank from the vibration sensor; And a transmitter connected to the controller to transmit the vibration state of the washing tub to the wireless terminal.

At this time, the controller includes a wireless LAN card for establishing a wireless network.

Vibration detection safety device of the drum washing machine according to the present invention as described above, when a child or pet is trapped by the door in the washing tank occurs, by detecting the movement of the object in the drum by the vibration sensor to detect the door of the washing tank By opening automatically and automatically notifying remote users by wireless internet, it is possible to prevent safety accidents.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the safety accident display method of the drum washing machine according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

In addition, the following examples are not intended to limit the scope of the invention, but merely illustrative of the components set forth in the claims of the present invention, which are included in the technical spirit throughout the specification of the present invention and components of the claims Embodiments including substitutable components as equivalents in may be included in the scope of the present invention.

Example

1 is a system diagram of a vibration washer safety device of the drum washing machine according to an embodiment of the present invention, Figure 2 is a schematic plan view showing the opening means of the vibration detection safety device of the drum washing machine according to an embodiment of the present invention. 3 is a perspective view showing the opening means of the vibration detecting safety device of the drum washing machine according to another embodiment of the present invention, Figure 4 is a portion of the solenoid of the opening means according to another embodiment of the present invention installed in the laundry inlet 5 is a partial front view of the motor and the disc of the opening means installed in the laundry inlet according to another embodiment of the present invention.

As shown in Figure 1 and 2, the vibration detecting safety device of the drum washing machine according to an embodiment of the present invention includes a vibration sensor 130, adapter 135, controller 140 and control switch 147. do.

Here, the vibration sensor 130 may be installed in the washing tub 100 to detect the vibration of a dynamic object invading the washing tub 100. In this case, the vibration sensor 130 may use an acceleration sensor, a speed sensor, or a piezoelectric sensor.

In addition, the adapter 135 is to adjust the AC power supplied from the outside to the operating voltage of the vibration sensor 130, may be configured as a module together with the controller 140, and also supplies power to the controller 140. .

And, the opening means is a mechanism for preventing the state of the interior of the washing tub 100 is closed by blocking the closing of the door 110 when a child or pet intruded into the washing tub 100 through the laundry inlet 105. It is to include.

Here, the opening means may use the solenoid 145 included in the adapter 135 and the locking device 120 of the door 110, and includes a wire 146 for supplying external power to the solenoid 145 separately. do. At this time, the solenoid 145 included in the locking device 120 of the door 110 is powered by the control switch 147 via the wire 146. The locking of the door 110 may be blocked by separating the latch of the door latch 115 inserted into the locking device 120 of the door 110 by the solenoid 145.

That is, the door latch 115 may be hooked to the latch holder 125 installed inside the locking device 120. When pulling the door 110 from the outside of the washing tub 100, the door latch 115 The door latch 115 may be detached from the latch holder 125 by being rotated elastically, but when the door 110 is pressed outward from the inside of the washing tub 100, the door latch 115 from the latch holder 125 may be separated. Separation is not easy.

Therefore, after connecting the push rod 148 capable of pressing the latch holder 125 to the solenoid 145 of the locking device 120, when the vibration of the washing tub 100 is detected by the vibration sensor 130 When the controller 140 turns on the control switch 147 and applies the power to the solenoid 145, the door latch 115 is pressed by the push rod 148 and the latch holder 125. ), The door latch 115 is separated and the door 110 is opened.

On the other hand, referring to Figure 3, the opening means is provided in the solenoid 155 and the solenoid 155 provided on the outer peripheral portion of the door 110 and protrudes to the outside of the door 110 by the operation of the solenoid 155 door ( It may include a locking rod 156 to prevent the closing of the 110. That is, when vibration of the washing tub 100 is sensed by the controller 140 at predetermined time intervals and an intrusion of an object into the washing tub 100 is sensed, the controller 140 may use the solenoid (by the control switch 147 as described above). The power is applied to the 155, the locking rod 156 protrudes from the outer circumferential portion of the door 110 by the operation of the solenoid 155, the door 110 is caught in the area forming the laundry inlet 105, the door Closure of 110 can be prevented. In this case, the solenoid 155 on which the catching rod 156 is mounted may be installed into the door 110.

In addition, referring to FIG. 4, the opening means may be configured in a manner opposite to the manner in which the locking rod 156 protrudes from the door 110. That is, the opening means may be a solenoid installed in the laundry inlet 105 of the drum washing machine. 165 and the solenoid 165 may include a blocking rod 166 protruding from the inner surface of the laundry inlet 105 to prevent the door 110 from closing. At this time, the solenoid 165 may be embedded in the portion forming the laundry inlet 105, the blocking rod 166 may protrude from the inner peripheral portion of the laundry inlet 105 to block the closing of the door 110.

In this case, the blocking rod 166 may be always protruded to prevent the door 110 from being closed by keeping the control switch 147 on in the standby state of the drum washing machine. That is, when the drum washing machine is supplied with the main power for the operation in the standby state and is switched to the standby mode, the controller 140 switches the control switch 147 to the off state so that the blocking rod 166 is in the laundry inlet 105. The door 110 may be closed into the laundry inlet 105 by being introduced into the housewife.

Meanwhile, referring to FIG. 5, the opening means is installed in the locking device 120 of the door 110 and connected to the disc 171 and the disc 171 for opening and closing the insertion opening 106 of the door latch 115. It may include a motor 170 for rotating 171. The disc 171 is installed in the semicircular shape around the laundry inlet 105 so as to be rotated by the motor 170. The disc 171 is rotated to block the insertion hole 106 into which the door latch 115 is inserted. Insertion of the door latch 115 to the 106 is prevented, and the mechanical locking action of the door latch 115 to the locking device 120 of the door 110 is blocked, so that the door 110 is opened. maintain.

In addition, referring to Figure 1, the opening means is connected to the controller 140 and the controller 140 for detecting the vibration of the washing tub 100 from the vibration sensor 130 to transmit the vibration state of the washing tub 100 to the wireless terminal It may include a transmitter 180 to. That is, when a child or pet invades the inside of the washing tub 100, the vibration signal of the washing tub 100 detected by the vibration sensor 130 is transmitted to the controller 140, the controller 140 is a transmitter ( The user is notified of an invasion state of the object through the washing tank 100 through 180. The transmitter 180 may transmit a text or voice message input in advance to the user's wireless terminal through the wireless Internet using the wireless LAN card 181.

At this time, the controller 140 includes a wireless LAN card 181 for establishing a wireless network. The wireless LAN card 181 is inserted and installed outside the controller 140 and may be coupled to a USB connector. By using the wireless LAN card 181 and the wireless Internet, the vibration information for the washing tub 100 can be delivered to the user so that the situation of the washing tub 100 can be delivered in real time, and children and pets enter the washing tub 100. It can prevent choking accidents.

1 is a system diagram of a vibration sensing safety device of a drum washing machine according to an embodiment of the present invention.

Figure 2 is a schematic plan view showing the opening means of the vibration sensing safety device of the drum washing machine according to an embodiment of the present invention.

Figure 3 is a perspective view showing the opening means of the vibration sensing safety device of the drum washing machine according to another embodiment of the present invention.

Figure 4 is a partial front view of the solenoid of the opening means installed in the laundry inlet according to another embodiment of the present invention.

5 is a partial front view of the motor and the disc of the opening means installed in the laundry inlet according to another embodiment of the present invention.

<Explanation of symbols on main parts of the drawings>

100: washing tank 105: laundry inlet

106: insertion hole 110: door

115: door latch 120: locking device

125: latch holder 130: vibration sensor

135: adapter 140: controller

145, 155, 165: solenoid 146: wire

147: control switch 148: push rod

156: jam rod 166: blocking rod

170: motor 171: disc

180: transmitter 181: wireless LAN card

Claims (7)

A vibration sensor installed in the washing tank to detect vibration; An adapter to operate by supplying external power to the vibration sensor; And A vibration sensing safety device of a drum washing machine comprising an opening means connected to the vibration sensor to detect the vibration of the washing tank from the vibration sensor to open the door of the washing tank. The method of claim 1, The opening means may include a wire connecting the solenoid included in the adapter and the lock of the door; And And a control switch detecting a vibration of the washing tank from the vibration sensor and applying operating power to the solenoid from the adapter. The method of claim 1, The opening means is a solenoid installed on the outer peripheral portion of the door; And And a locking rod provided on the solenoid and protruding to the outside of the door by the operation of the solenoid to prevent the door from being closed. The method of claim 1, The opening means is a solenoid installed in the laundry inlet of the drum washing machine; And Vibration detection safety device of the drum washing machine, characterized in that it comprises a blocking rod provided in the solenoid to protrude from the inner surface of the laundry inlet to prevent the closing of the door. The method of claim 1, The opening means is installed in the locking device of the door and the disc opening and closing the opening of the door latch; And Vibration detection safety device of the drum washing machine comprising a motor connected to the disc to rotate the disc. The method of claim 1, The opening means controller for detecting the vibration of the washing tank from the vibration sensor; And a transmitter connected to the controller to transmit the vibration state of the washing tub to the wireless terminal. The method of claim 6, The controller is a vibration sensing safety device of a drum washing machine, characterized in that it comprises a wireless LAN card for establishing a wireless network.

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