KR101125291B1 - A steam cleaner - Google Patents

Abstract

The present invention relates to a steam cleaner for controlling the power by detecting the use.

The present invention provides a main body having a motor assembly for generating a suction force, a dust collecting unit for collecting foreign matter in the air is filtered and collected, and guides the suction of air and foreign matter based on the suction force of the body, the steam generation including a heater A device having a nozzle to generate and inject steam, a microcomputer for controlling the operation of the main body and the nozzle, and a user to grasp and perform a cleaning operation, and to send a control signal to the microcomputer to control the main body and the nozzle; It has a configuration including, the handle forms a gripping portion that the user grips, the PC connected to the microcomputer to control the operation of the nozzle and the body, and the microcomputer through the PC according to the user's grip or not Usage index for selectively blocking the power supplied to the heater of the main body and the nozzle by sending a control signal And is provided to any one of the nozzle and the handle and the main body includes waiting time setting portion for setting a power-off time according to said use sensing means. According to this, there is an advantage that the standby power is reduced when the steam cleaner is used, and an accident risk is prevented.

Vacuum cleaner, main unit, nozzle, steam, wheel, handle, power cord

Description

A steam cleaner

The present invention relates to a steam cleaner for controlling the power by detecting the use.

In general, the vacuum cleaner is a device for reducing human labor by cleaning with the power of a machine. A vacuum cleaner using suction force and a water cleaner that injects water and air at the same time by spraying water, as well as recently, by spraying steam, Various types of steam cleaners, such as steam cleaners for removing foreign matters stuck to them, have appeared.

In the case of the steam cleaner, a steam generator for generating steam is provided inside the nozzle, and the dust is attached to the lower side to remove foreign substances on the bottom surface of the steam cleaner. Therefore, a heater is provided inside the steam generator so that water is converted into steam, that is, steam by high temperature heat.

On the other hand, the nozzle for generating steam as described above is configured to be operable by the cleaner handle is provided with a plurality of operation buttons.

That is, when the steam button provided on the handle of the cleaner is pressed, the heater provided in the steam generator is heated to generate water by heating the water contained therein, and the generated steam releases the operation of the steam button or is accommodated. Spray until all the water is exhausted.

Such a steam cleaner may have a degree of difference depending on the performance of the nozzle, but if the nozzle is in the same position for a long time while the steam button of the cleaner is pressed, damage to the floor may be caused by steam injected according to the material of the floor. There is a problem.

When the steam button is left in a state in which the steam button is pressed for a long time due to carelessness of the user, all of the water contained in the steam generator is exhausted, and after all the water inside is exhausted, a fire due to the heating of the heater is generated. There is a problem.

In addition, in the case of other vacuum cleaners including the steam cleaner, there is a case in which the vacuum cleaner is left in a state in which power is supplied to the vacuum cleaner due to carelessness or other duties of the user. There is a problem.

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An object of the present invention is to provide a steam cleaner having a standby time setting unit in the cleaner handle to cut off the power supplied to the cleaner body and the nozzle after the waiting time has elapsed even if the user does not use the cleaner.

Still another object of the present invention is to provide a steam cleaner which allows the generated steam to be maintained by allowing the power supply state to be maintained during the standby time.

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The present invention includes a main body having a motor assembly for generating a suction force and a dust collecting unit for collecting foreign matter in the air is filtered; A nozzle for guiding suction of air and foreign materials based on the suction force of the main body, and having a steam generator including a heater to generate and spray steam; A microcomputer for controlling the operation of the main body and the nozzle; A handle that is held by a user to perform a cleaning operation, and sends a control signal to the microcomputer to control the main body and the nozzle; the handle includes a grip part which forms an appearance and is gripped by the user; PCB connected to the microcomputer for controlling the operation of the nozzle and the main body, and according to whether or not the user gripping the control signal to the microcomputer through the PCB to selectively block the power supplied to the main body and the heater of the nozzle Sensing means is included, and any one of the nozzle, the handle and the main body includes a standby time setting unit for setting the power-off point by the use sensing means, the grip of the handle is sensed by the use sensing means While the power is being supplied to the main body and the heater of the nozzle, the handle If the time is not detected, the time elapsed is detected by the timer, and when the time detected by the timer passes the waiting time set by the waiting time setting unit, the power provided to the heater and the main body of the nozzle is cut off. If the grip of the handle is detected by the use detecting means before the time detected by the timer has passed the waiting time, the timer is reset, and the waiting time can be changed by the operation of the waiting time setting unit. It features.

According to the present invention, the user detects the use of the cleaner by holding the handle of the cleaner, and automatically cuts off the power supplied to the heater of the main body and the steam generator by using the same.

Therefore, when the user leaves the vacuum cleaner to see other tasks during the cleaning operation, the heater for generating steam maintains an overheating state during the standby time, so that the steam can be easily generated when the cleaner is reused within the standby time. Since the power supplied to the cleaner body and the heater is automatically cut off after the standby time has elapsed, there is an advantage that standby power is reduced.

In addition, even if the vacuum generator is operated due to user's carelessness and the vacuum cleaner is left for a long time, the power supply is automatically cut off after the set waiting time has elapsed.

Hereinafter, with reference to the accompanying drawings looks at a specific embodiment of the present invention.

1 shows an embodiment of a steam cleaner according to the present invention.

As shown in the drawings, the steam cleaner according to the present invention moves in a state close to the bottom surface, the nozzle 10 for guiding the intake of air and foreign matter, the main body 20 in which a plurality of parts are built, and length adjustment The extension pipe 30 is configured to enable this, and is connected to the extension pipe 30, the connection hose 40 of the elastic material for guiding air and foreign matter and the connection hose 40 and the extension pipe 30, the A microcomputer (not shown) for controlling the operation of the main body 20 and the nozzle 10, and a handle 100 for transmitting a control signal to the microcomputer.

In detail, the nozzle 10 and the main body 20 are spaced apart, and the extension pipe 30, the connection hose 40, and the handle 100 are provided between the nozzle 10 and the main body 20. It guides the flow of air and foreign objects.

That is, one end (front end) of the extension pipe 30 is connected to the nozzle 10 and the other end (back end) is coupled to the front end of the handle 100.

And, the rear end of the connection hose 40 is coupled to the main body 20, the front end of the connection hose 40 is fastened to the rear end of the handle (100).

Therefore, the air sucked from the nozzle 10 and the foreign matter are guided to the main body 20 through the extension pipe 30 and the connection hose 40, the air and the guided in the main body 20 By separating the foreign matter foreign matter is collected in the dust collection unit provided in the main body 20, the foreign air is removed is configured to be discharged to the outside.

On the other hand, the main body 20 is further provided with a motor assembly that rotates by the power supplied from the outside to generate a suction force, the motor assembly is controlled by the operation means 200 provided in the handle 100 do.

In addition, a lower portion of the operation means 200 is provided with a PC to transmit the operation state input by the user to the microcomputer as a control signal, to control the heater of the nozzle 10 and the motor assembly of the main body 20. It becomes possible.

In addition, the main body 20 is provided with a wheel 22 to facilitate the movement in the lower end, the main body handle 24 is further provided to facilitate the user gripping.

One side of the main body 20 is provided with a power cord (not shown) connected to the external power, the external power supplied through the power cord is supplied to the handle 100 through the extension hose (40).

To this end, a rear end portion of the extension hose 40 connected to the main body 20 is provided with a power connection end 42, and the power supplied through the power connection end 42 is mounted inside the corrugated pipe 41. It is configured to provide external power to the handle 100 through a power line 43.

In addition, although not shown in the drawing, the extension hose 40 further includes a signal line for transmitting and receiving a control signal and a microcomputer provided in the main body 20 together with the power supply line 43 of the handle 100. It is connected to the operation means 200.

On the other hand, although not shown in the drawing, the nozzle 10 is provided with a steam generator for generating steam, and the heater is provided with an external power source to generate heat inside the steam generator.

The heater is controlled by sending a control signal to the microcomputer through the operation means 200 provided in the handle 100, the power supplied to the heater is a power duct provided on the lower side of the extension pipe (30) It is configured to receive the external power supplied to the handle 100 by 32.

Meanwhile, the handle 100 is supplied to the main body 20 and the nozzle 10 according to whether the handle 100 of the user is gripped while the external power is supplied through the power cord provided in the main body 20. Usage sensing means 300 for selectively blocking the external power source is further provided.

Hereinafter will be described in more detail with reference to the accompanying drawings for the cleaner handle 100 according to the present invention is provided with the use detecting means 300 of the above function.

2 shows a cleaner handle which is a main component of the steam cleaner according to the present invention.

As shown in the drawings, the cleaner handle 100 according to the present invention forms a flow path of air and foreign matter by the suction force of the grip unit 122 and the motor assembly provided in the main body 20 to be gripped by the user The exterior is formed by the case 120 composed of the communicating portion 124.

And, the front side of the communication unit 140 is connected to the extension pipe 30, the rear side is configured to be connected to the extension hose 40, the front side is further provided with a fastening release button 140 is fitted extension pipe ( 30) is configured to be removed as needed, while the rear side is fixed with the extension hose 40 is fitted.

In addition, the front side lower portion of the communication unit 140 is provided with a nozzle side power connection terminal 160 to be engaged with the power duct 32 provided in the lower portion of the extension pipe 30, the rear side of the communication unit 140 The main body side power connection terminal 180 is provided at the upper portion so that the power supply line 43 provided at the extension hose 40 is connected.

On the other hand, the holding portion 122 is formed in a streamlined shape on the upper side of the communication portion 124, the holding portion 122 is a motor assembly provided in the main body 20 by detecting whether the user grips the Use sensing means 300 for selectively blocking the power supplied to the heater provided in the nozzle 10 is further provided.

In addition, operation means 200 for operating the heater assembly of the nozzle 10 and the motor assembly of the main body 20 is provided on the front side of the holding part 122, and the operation means 200 includes the use detection means. The standby time setting unit 220 is further provided to set the power-off time point of the 300 to send the operation signal to the microcomputer.

The standby time setting unit 220 is to set the operating time of the timer circuit provided in the microcomputer, so that the timer is increased by one second for each press or 15 seconds, 30 seconds, 1 minute, 2 minutes, It is also possible to set the preset timer setting time to 3 minutes and so on, and press the button once so that the stored timer setting time is switched and selected.

And, the timer setting time set as described above is configured so that the stored setting time is applied when the steam cleaner power is shut off and restarted by storing the last setting time in the memory.

On the other hand, the use detection means 300 is provided on the lower side of the holding portion 122, the control circuit is configured to include a push switch that is pressed by the user's finger when the user grips, such a control circuit When the pressure is released, the control signal for stopping and operating the timer circuit set in the microcomputer for controlling the main body 20 and the nozzle 10 is transmitted.

The control signal is configured to reset the timer when the pressure is applied and to operate the timer when the pressure is released.

That is, when the user presses the usage detecting means 300, the timer circuit of the microcomputer is reset to maintain the state in which the power circuits supplied to the nozzle 10 and the main body 20 are connected. When the pressure applied to the means 300 is released, a control signal is generated to operate the timer circuit provided in the microcomputer.

Therefore, when a predetermined waiting time given by the timer circuit through the waiting time setting unit 220 has elapsed, a power supply circuit for supplying power to the heater of the nozzle 10 and the motor assembly of the main body 20. Is off.

On the other hand, the use detection means for such a function 300 is configured as a control circuit including a pressure sensor for sensing the pressure when the user grips the holding unit 122 in addition to the above-described push switch, the standby setting It may also be possible to configure the circuit to shut off after a period of time.

That is, when the pressure is detected, the timer circuit is reset in the same manner as the push switch is pressed, and when the pressure is not detected, the timer circuit is operated to set the time inputted through the standby time setting unit 220. After that, it may be configured to cut off the power supplied to the heater of the nozzle 10 and the motor assembly of the main body 20.

Hereinafter, the operation of the steam cleaner having the configuration as described above will be described with reference to the accompanying drawings.

3 is a flow chart showing the control signal flow of the steam cleaner according to the present invention.

As shown in the figure, first, when the power cord provided in the main body 20 is mounted on a commercial power outlet, power is supplied to the steam cleaner (On), that is, a standby state.

When the steam cleaner is in the standby state as described above, the user grips the handle 100 of the steam cleaner and operates the operation means 200 to perform a cleaning operation.

That is, when it is determined that steam cleaning is required inside the cleaning zone, the power is supplied to the heater provided in the nozzle 10 by pressing the steam button provided in the operation means 200, and it is determined that only dust and foreign matter cleaning are necessary. When the motor operation button to generate the suction force of the motor assembly provided in the main body 20 is pressed to perform the cleaning operation while adjusting the strength of the motor as needed.

On the other hand, prior to such a cleaning operation, the user operates the waiting time setting unit 220 as necessary to set the waiting time, when not operating the waiting time setting unit 220 before the cleaning operation described above. As previously set, the waiting time is applied.

When the user performs the cleaning operation in the state in which the waiting time setting is completed as described above, the user cleans in a state in which the grip portion 122 of the handle 100 is gripped, and at this time, the lower portion of the grip portion 122 Pressurizes the use detection means 300 provided in.

As such, when the use detecting means 300 is pressurized, the timer circuit provided in the microcomputer is reset so that the power circuits supplied to the nozzle 10 and the main body 20 remain connected to each other so that the steam cleaner operates normally. This becomes possible.

On the other hand, when the user releases his hand from the cleaner handle 100 during the cleaning operation, the force that pressurizes the use detecting means 300 is released, and the control signal is transmitted to the micom to inform the micom that the pressure has been released. Will activate the timer circuit.

The timer circuit operates for the waiting time set by the waiting time setting unit 220 to cut off the power supplied to the heater of the nozzle 10 and the motor assembly of the main body 20 when the set waiting time is completed.

On the other hand, if the user grips the handle 100 again while the timer circuit is operating as described above, the pressure is sensed by the use detecting means 300 and the detected pressure is transferred to the microcomputer of the timer circuit. The reset signal is transmitted to maintain the power supplied to the heater of the nozzle 10 and the motor assembly of the main body 20.

Therefore, when the user performs the cleaning operation using the steam cleaner but does not stop the steam cleaner and leaves the steam cleaner for a long time due to other business, the time set by operating the timer circuit provided in the microcomputer by the use detecting means When the elapsed time, the steam cleaner is automatically turned off.

The scope of the present invention as described above is not limited to the above-described embodiment, but many other modifications based on the present invention will be possible to those skilled in the art to which the present invention pertains.

1 is a perspective view showing an embodiment of a steam cleaner according to the present invention.

Figure 2 is a perspective view showing an embodiment of a cleaner handle which is a main component of the steam cleaner according to the present invention.

Figure 3 is a flow chart showing the control signal flow of the steam cleaner according to the present invention.

Explanation of symbols on the main parts of the drawings

10 ...... Nozzle 20 ...... Main Unit

30 ...... Extension tube 40 ...... Extension hose

100 ..... Handle 120 ..... Case

200 ..... Control means 220 ..... Waiting time setting part

300 ..... Means for use

Claims (10)

delete delete delete delete delete A main body having a motor assembly for generating a suction force and a dust collecting unit for filtering foreign matter in the air to be collected; A nozzle for guiding suction of air and foreign materials based on the suction force of the main body, and having a steam generator including a heater to generate and spray steam; A microcomputer for controlling the operation of the main body and the nozzle; The handle is held by a user to perform a cleaning operation, and sends a control signal to the microcomputer to control the main body and the nozzle. In the handle, the control unit sends a control signal to the microcomputer through a gripper which forms an appearance and is gripped by the user, a PCB connected to a microcomputer for controlling the operation of the nozzle and the main body, and the PCB according to whether the user grips. Use detection means for selectively blocking the power supplied to the heater of the main body and the nozzle, At least one of the nozzle, the handle, and the main body includes a standby time setting unit for setting a time point for turning off the power by the use sensing means. When the grip of the handle is sensed by the use detecting means and power is supplied to the heater of the main body and the nozzle, when the grip of the handle is not sensed by the use detecting means, the elapse of time is detected by a timer. Become, When the time detected by the timer passes the waiting time set by the waiting time setting unit, the power provided to the heater and the main body of the nozzle is cut off, If the grip of the handle is detected by the use detecting means before the time detected by the timer has passed the waiting time, the timer is reset. And a steam cleaner capable of changing the waiting time by operating the waiting time setting unit. delete delete The method of claim 6, wherein the use detection means, The steam cleaner provided on one side of the handle, comprising a push switch having an elastic contact. The method of claim 6, wherein the use detection means, The steam cleaner provided in the user grip portion of the handle, comprising a pressure sensor for sensing the external pressure.

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