KR20190106579A - Apparatus for both humidification and air cleaning and method thereof - Google Patents

Abstract

The present invention relates to a device for both humidification and air cleaning and a method thereof. The device for both humidification and air cleaning comprises: a wireless power transmitter formed on a base body having an air clean module and transmitting a wireless power signal to a top cover assembly; a coil voltage sensor connected to a power transmitter of the wireless power transmitter and sensing the coil voltage applied to the power transmitter; and a controller setting a standby mode to the wireless power transmitter when the top cover assembly is separated, and detecting a foreign matter in response to the coil voltage. The wireless power transmitter, when the top cover assembly is separated and the standby mode is set, recognizes a mode as a foreign matter detection mode, and changes an output voltage and a frequency to control the voltage applied to the power transmitter to detect the foreign matter that is put in the position where the top cover assembly is mounted while the top cover assembly is separated. The present invention can solve the efficiency decrease due to the foreign matter, and can prevent energy waste.

Description

Apparatus for both humidification and air cleaning and method

The present invention relates to a humidification cleaning device and a method thereof.

Conventional humidifiers are classified into a vibrating type that vaporizes water in the diaphragm and discharges it into the air, and a natural evaporating type that evaporates in the humidification filter.

The spontaneous evaporative humidifier is a humidifier filter humidifier that rotates the disc by using a driving force, the disc humidifier spontaneously evaporates water on the surface of the disc in the air, and the evaporator spontaneously evaporated by the air flowing in the humidifying medium wet water Are distinguished.

However, the conventional humidifier is provided with a terminal for electrical contact to supply power to the cover, there was a problem that an electrical accident such as electric shock caused by water.

Accordingly, in recent years, a non-contact power supply device is used in preparation for the danger of an electric accident.

However, in the case of a non-contact power supply device, if foreign matter gets caught between the power supply devices, or for reasons of manufacturing process, the power supply is not normally performed because the distance between the transmitter and the receiver for the power supply is far shortened. There is a problem that causes a malfunction. In addition, a problem may arise in that an overvoltage is applied when the transmission side and the reception side for power supply are too close.

Conventional devices require the user to directly check for foreign substances, which may lead to product problems if the user fails to check them, and it may be difficult to respond when overvoltage is applied due to the proximity of the street, and damage to the product may occur. .

The present invention can supply water even while the air is discharged, can be mounted on the removable top cover assembly, the humidification clean to supply power to the top cover assembly from the base body to the top cover assembly in a state that the top cover assembly is mounted It is an object of the present invention to provide an apparatus and a method thereof.

Humidification and cleaning device according to an embodiment of the present invention, in the humidification and cleaning device including an air clean module and an air wash module, disposed on the upper portion of the tank provided in the air wash module, and detachably mounted A top cover assembly which is formed on a base body provided with the air clean module, a wireless power transmitter for transmitting a wireless power signal to the top cover assembly, and a coil connected to the power transmitter of the wireless power transmitter and applied to the power transmitter When the coil voltage sensing unit for detecting a voltage and the top cover assembly are separated, the wireless power transmitter includes a controller configured to set a standby mode and detect foreign substances in response to the coil voltage, wherein the wireless power transmitter includes the tower. When the cover assembly is separated and the standby mode is set, the cover assembly is recognized as a foreign material detection mode, and the output voltage and frequency Variable to is characterized in that for controlling the voltage applied to the power transmission unit.

As the standby mode is set, the wireless power transmitter is configured to apply a low voltage that is lower than the voltage of the normal mode as an output voltage.

The wireless power transmitter may change the duty to reduce the voltage applied to the power transmitter.

The wireless power transmitter sets a frequency range and changes a frequency within the frequency range so that the voltage applied to the power transmitter changes.

The wireless power transmitter may perform a ping operation by repeating a frequency change within the frequency range a predetermined number of times.

The controller may calculate an average of the coil voltages sensed through the coil voltage detector, and detect the foreign matter by comparing the average of the coil voltages with a set value.

The control unit selects peak values among coil voltages detected for each frequency changed by the wireless power transmitter, and calculates an average of the peak values for each cycle as the frequency change is repeated.

In the method of controlling a humidifying cleaning device according to the present invention, the method of controlling a humidifying cleaning device including a top cover assembly detachably mounted, detecting whether the top cover assembly is mounted, and the top cover assembly is separated. Setting the standby mode, recognizing the foreign matter sensing mode, and varying an output voltage and a frequency of the wireless power transmitter for supplying power to the top cover assembly, and applying the power transmitter to the wireless power transmitter. Sensing a coil voltage to be detected and detecting a foreign substance corresponding to the coil voltage.

Recognizing in the foreign material detection mode, and further comprising the step of setting a frequency range based on the resonance frequency and controlling the voltage applied to the power transmitter by changing the frequency within the frequency range.

The method may further include repeating the frequency changing operation within the frequency range a predetermined number of times.

In the foreign material detecting step, the detected coil voltage is compared with a preset setting value, and when the coil voltage is less than a phase setting value, it is determined that the foreign material is located.

The foreign material detecting step may further include storing the coil voltage sensed according to a frequency change, selecting a peak value among the coil voltages, and calculating an average of each peak value as the frequency change is repeated. And comparing the average value of the coil voltage with the set value.

Humidification and cleaning device and method of the present invention can operate the operation module of the top cover assembly by supplying power to the top cover assembly through the wireless power transmission, even if the top cover assembly with the electric circuit is mounted detachably. Safety is improved by removing the risk of electric shock and preventing the occurrence of electric accident.

The present invention can detect the foreign matter is injected into the position where the top cover assembly is mounted.

The present invention can detect the foreign matter in the state that the top cover assembly is separated.

The present invention can improve the efficiency decrease by foreign matters, and can prevent energy waste.

The present invention can prevent product damage by foreign matter.

1 is a perspective view of a humidifying and cleaning device according to a first embodiment of the present invention.
2 is an exploded perspective view of FIG. 1.
3 is an exploded cross-sectional view of FIG. 1.
4 is a perspective view of the top cover assembly separated from the air wash module shown in FIG. 2.
5 is a view referred to for explaining a method for supplying power to the top cover assembly in the humidifying and cleaning device of the present invention.
6 is a block diagram schematically showing a control configuration of the humidification cleaning apparatus of the present invention.
7 is a block diagram briefly showing a control configuration for power supply and communication of the humidification and cleaning device.
8 is a block diagram schematically illustrating the configuration of a wireless power transmitter and a wireless power receiver for supplying power to the top cover assembly.
9 is a diagram schematically illustrating a circuit configuration according to wireless power transmission of the humidifying and cleaning device of the present invention.
10 is a view referred to to explain the top cover assembly mounting structure of the humidification and cleaning device of the present invention.
11 is a diagram illustrating a voltage sensing circuit of the wireless power transmitter of the humidifying and cleaning device of the present invention.
12 is a view referred to for explaining the signal flow of the humidification and cleaning device of the present invention.
13 is a diagram comparing the coil voltage sensed by the wireless power transmitter of the humidification and cleaning device of the present invention.
14 is a graph illustrating coil voltages sensed by the wireless power transmitter of the humidifying and cleaning device according to the present invention.
15 is a flowchart illustrating a control method of the humidification cleaning apparatus according to the present invention.
16 is a flowchart illustrating a foreign material detection method of the humidifying and cleaning device of the present invention.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout. In addition, the control unit and each unit of the present invention may be implemented by one or more processors, may be implemented by a hardware device.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a humidification and cleaning device according to a first embodiment of the present invention, Figure 2 is an exploded perspective view of Figure 1, Figure 3 is an exploded cross-sectional view of FIG.

The humidifying and cleaning device according to the present embodiment includes an air clean module 100 and an air wash module 200 mounted on an upper side of the air clean module 100.

The air clean module 100 inhales and then filters external air, and provides filtered air to the air wash module 200. The air wash module 200 receives the filtered air to perform humidification to provide moisture, and discharges the humidified air to the outside.

The air wash module 200 includes a water tank 300 in which water is stored. The water tank 300 is detachable from the air clean module 100 when the air wash module 200 is separated. The air wash module 200 is mounted on the air clean module 100.

The user may separate the air wash module 200 from the air clean module 100 and clean the separated air wash module 200. The user may clean the inside of the air clean module 100 from which the air wash module 200 is separated. When the air wash module 200 is separated, the upper surface of the air clean module 100 is opened to the user.

The air clean module 100 may include a filter assembly 10 and may be cleaned after separating the filter assembly 10 from the base body 110.

The user may supply water to the air wash module 200. The air wash module 200 has a water supply passage 109 that can supply water to the water tank 300 from the outside.

The water supply passage 109 is configured to be separated from the discharge passage 107 through which air is discharged. The water supply passage 109 is configured to supply water to the tank at any time. For example, even when the air wash module 200 is in operation, water may be supplied through a water supply passage. For example, even when the air wash module 200 is coupled to the air clean module 100, water may be supplied through a water supply passage. For example, even when the air wash module 200 is separated from the air clean module 100, water may be supplied through a water supply passage.

The air clean module 100 and the air wash module 200 are connected through a connection passage therein. Since the air wash module 200 is separable, the connection flow path is distributed and disposed in the air clean module 100 and the air wash module 200. When the air wash module 200 is mounted on the air clean module 100, the flow path of the air wash module 200 and the flow path of the air clean module 100 communicate with each other through a connection flow path.

Hereinafter, the air clean module 100 and the air wash module 200 will be described in more detail.

The air clean module 100 is disposed on the base body 110, the base body 110, and a filter assembly 10 for filtering air, and disposed on the base body 110 to flow air. Blowing unit 20 is included.

The air wash module 200 is stored in the water for the humidification, the water tank 300 is detachably mounted to the air clean module 100, and disposed in the water tank 300, the inside of the water tank 300 A humidifying medium (50) disposed in the watering unit (400) for injecting water from the tank, wetted by water sprayed from the watering unit (400), and providing moisture to the flowed air; It is coupled to the water tank 300, the visual body 210 formed of a material that can see the inside, and is detachably mounted to the visual body 210, the discharge passage 107 and water is discharged to supply air is supplied It includes a top cover assembly 230 in which the water supply passage 109 is formed.

The air clean module 100 is provided with a suction flow path 101, a filtration flow path 102, a blowing flow path 108, and a clean connection flow path 104. The air sucked through the suction flow path 101 flows to the clean connection flow path 104 through the filtration flow path 102 and the blowing flow path 108.

The air wash module 200 has a humidification connection passage 105, a humidification passage 106, a discharge passage 107, and a water supply passage 109.

The clean connection channel 104 of the air clean module 100 and the humidification connection channel 105 of the air wash module 200 are connected when the air wash module 200 is mounted on the air clean module 100. .

The filtered air supplied through the humidification connection passage 105 of the air wash module 200 is discharged into the room via the humidification passage 106 and the discharge passage 107. The water supply passage 109 is in communication with the humidification passage 106, but is manufactured in a structure that can receive water only without discharging air.

First, each configuration of the air clean module 100 will be described.

The base body 110 is composed of an upper body 120 and a lower body 130. The upper body 120 is stacked on the lower body 130, and the upper body 120 and the lower body 130 are assembled.

Air flows into the base body 110.

A suction passage 101, a filtration passage 102, and a blowing passage 108 are disposed in the lower body 130, and the suction passage 101, the filtering passage 102, and the blowing passage 108 are formed. Are placed.

A portion of the connection passage 103 is disposed on the upper body 120, and structures for guiding the filtered air to the air wash module 200 and structures for mounting the air wash module 200 are disposed. .

The base body 110 forms an outer shape, a lower body 130 having an inlet 111 formed on a lower side thereof, and an upper body 120 that forms an outer shape and is coupled to an upper side of the lower body 130. do.

The filter assembly 10 is detachably assembled to the base body 110.

The filter assembly 10 provides a filtration flow path 102 and performs filtering on the outside air. The filter assembly 10 is detachable in a horizontal direction with respect to the base body 110. The filter assembly 10 is arranged to intersect with the flow direction of air flowing back in the vertical direction. The filter assembly 10 is slidably moved in the horizontal direction and performs filtration on the air flowing upwardly in the vertical direction. The filter assembly 10 is disposed horizontally, and forms the filtration flow path 102 in the vertical direction.

The filter assembly 10 may slide in a horizontal direction with respect to the base body 110.

The filter assembly 10 is disposed inside the lower body 130 and is detachably coupled to the filter housing 11 forming the filtration flow path 102 and the filter housing 11. And filter 14 for filtration on the air passing through 102.

The filter housing 12 has a lower side communicating with the suction passage 101, and an upper side thereof communicating with the blowing passage 108. The air sucked through the suction passage 101 flows to the blowing passage 108 via the filtration passage 102.

One side of the filter housing 12 is opened in a direction crossing the filtration flow passage 102. The filter 14 may be detachably coupled through the opening surface of the filter housing 12. The opening face of the filter housing 12 is formed laterally. The opening face of the filter housing 12 is disposed on the outer face of the lower body 130. Thus, the filter 14 is inserted through the side of the lower body 130 and is located inside the filter housing 12. The filter 14 is disposed to intersect with the filtration channel 102, and filters the air passing through the filtration channel 102.

The filter 14 may be an electrostatic precipitating filter that collects foreign substances in the air by charging the applied power. The filter 14 may be formed of a material for collecting foreign matter in the air through the filter medium. The filter 14 may be arranged in various structures. The right of the present invention is not limited by the filtration method of the filter 14 or the filter medium of the filter.

The filtration flow path 102 is disposed in the same direction as the main flow direction of the humidification cleaning device. In this embodiment, the filtration flow path 102 is disposed in the vertical direction, and flows air in the direction opposite to gravity. That is, the main flow direction of the humidification cleaning device is formed from the lower side to the upper side.

The blowing unit 20 is disposed above the filter housing 12.

The upper side surface of the filter housing 12 is formed to be open, and the air passing through the filtration flow path 102 flows to the blowing unit 20.

The blowing unit 20 generates a flow of air. The blower unit 20 is disposed inside the base body 110 and flows air from the lower side to the upper side.

The blowing unit 20 is composed of a blowing housing 150, a blowing motor 22 and a blowing fan 24. In this embodiment, the blower motor 22 is disposed on the upper side, and the blower fan 24 is disposed on the lower side. The motor shaft of the blower motor 22 is installed downward, and is assembled with the blower fan 24.

The air blowing housing 150 is disposed in the base body 110. The air blowing housing 150 provides a flow path of air that flows. The blowing motor 22 and the blowing fan 24 are disposed in the blowing housing 150.

The air blowing housing 150 is disposed above the filter assembly 10 and disposed below the upper body 120.

The blowing housing 150 forms a blowing passage 108 therein. The blowing fan 24 is disposed in the blowing passage 108. The blow passage 108 connects the filter passage 102 and the clean connection passage 104.

The blower fan 24 is a centrifugal fan that sucks air from the lower side and discharges the air outward in the radial direction. The blowing fan 24 discharges air to the radially outer side and the upper side. The blower fan 24 is formed such that its outer end faces radially upward.

The blower motor 22 is disposed above the blower fan 24 to minimize contact with the flowing air. The blowing motor 22 is installed wrapped by the blowing fan (24). The blower motor 22 is not located on the air flow path by the blower fan 24 and does not generate resistance with the air flowing by the blower fan 24.

The upper body 120 forms an outer shape of the base body 110 and is disposed inside the upper outer body 128 and the upper outer body 128, which are coupled to the lower body 130, and the water tank ( 300 is inserted and combines the upper body 140, which provides the connection flow path 103, the upper body 140 and the upper outer body 128, and guides air to the water tank 300. Air guide 170 is included.

Since the upper body 120 separates the connection flow path and the tank insertion space, water of the water tank 300 may be minimized from entering the connection flow path. In particular, since the connecting passage is partitioned through the upper body and disposed outside the space where the water is stored, water can be prevented from entering the connecting passage.

The upper body 140 is formed by opening the upper side, the water tank 300 is inserted. The upper body 140 forms a part of the clean connection passage 104 through which the filtered air flows.

The upper body 140 is formed with an upper inlet 121 corresponding to the air wash inlet 31. The upper inlet 121 is not an essential component. If the upper body 120 is a shape which exposes the said air wash inlet 31 to the connection flow path 103, it is enough.

The air guide 170 guides the air supplied through the clean connection flow path 104 to the upper inlet 121. The air guide 170 collects the air raised along the outside of the base body 110 inward. The air guide 170 switches the flow direction of air flowing from the lower side to the upper side. However, the air guide 170 changes the flow direction of the air, but minimizes the flow resistance of the air by minimizing the angle.

The air guide 170 is formed to surround the outer side of the upper body 140 by 360 degrees. The air guide 170 guides air to the water tank 300 in all directions of 360 degrees. The air guide 170 collects the air guided along the outside of the lower body 130 to the water tank 300. Through such a structure, the flow rate of the air supplied to the water tank 300 can be sufficiently secured.

Thus, the air guide 170 includes a guide part 172 formed in the flow direction of air, and a switching part 174 connected to the guide part 172 and switching the flow direction of guided air.

On the other hand, the outer visual body 214 is coupled to the upper body 120.

The outer visual body 214 is a configuration of the visual body 210, but is fixed to the upper body 120 in the present embodiment. Unlike the present embodiment, the outer visual body 214 may be fixed to the air wash module 200. Unlike the present embodiment, the outer visual body 214 is a removable configuration.

The outer visual body 214 is fixed to the upper body 120. In the present embodiment, the outer visual body 214 is coupled to the upper outer body 128. The outer visual body 214 has an outer surface of the upper outer body 128 to form a continuous surface.

The outer visual body 214 is formed of a material that can see through the inside. The outer visual body 214 may be formed of a transparent or translucent material.

At least one of the air clean module 100 or the air wash module 200 may be provided with a display module 160 for displaying an operation state to the user. In the present embodiment, a display module 160 is installed on the base body 110 to display an operating state of the humidifying and cleaning device to the user.

The display module 160 is disposed inside the outer visual body 214. The display module 160 is disposed to be in close contact with an inner surface of the outer visual body 214. The display module 160 has a donut shape when viewed in a plan view. The water tank 300 is inserted into the display module 160.

The display module 160 is supported by the outer visual body 214. The inner edge of the display module 160 is supported by the upper body ring 126. The display module 160 is located above the air guide 170. The display module 160 may be manufactured integrally with the base connector 260.

The display module 160 is located above the air guide 170. The display module 160 may be disposed between the upper outer body 128 and the upper body 140. The display module 160 covers the user so that the user cannot see the upper outer body 128 and the upper body 140. In particular, in order to block water from seeping between the upper outer body 128 and the upper inner body 140, the inside and the outside of the display module 160 is preferably made of a sealing.

The inside of the display module 160 is supported by the upper body 140, and the outside of the display module 160 is supported by the outer visual body 218.

In the present embodiment, the display module 160 is formed in a ring shape. Unlike the present embodiment, the display module 160 may be formed in an arc shape. The surface of the display module 160 is formed of a material capable of reflecting light or coated with a material capable of reflecting light.

Thus, when water is formed on the visual body 210, the water formed on the visual body 210 may be projected or reflected on the surface of the display module 160. When water formed in the visual body 210 flows down, the same effect occurs on the display module 160.

This effect gives a visual stimulus to the user, and the user can intuitively recognize that the humidification is being performed. The water droplet image projected on the display module 160 has a functional effect of knowing a humidification state as well as an emotional effect of giving a refreshing feeling to a user.

The upper side surface of the display module 160 is inclined. The display module 160 is inclined toward the user side. Thus, the inner side is high and the outer side is formed low.

Next, each configuration of the air wash module 200 will be described.

The air wash module 200 provides humidification to the filtered air. The air wash module 200 may implement a rain view in the humidifying passage 106. The air wash module 2000 injects water and circulates the water in the water tank 300. The air wash module 200 converts water into droplets of small size, and washes the filtered air once again through the scattered droplets. When washing the filtered air through scattered water droplets, humidification and filtration are once again performed.

The air wash module 200 includes a humidification connection passage 105, a humidification passage 106, a discharge passage 107, and a water supply passage 109.

The air wash module 200 includes a water tank 300, a watering unit 400, a humidifying medium 50, a visual body 210, a top cover assembly 230, and a handle 180.

The handle 180 is coupled to the visual body 210, rotates in the visual body 210, and is received in the visual body 210. Only the air wash module 200 may be easily lifted through the handle 180, and may be separated from the air clean module 100.

The humidification connection passage 105 may be disposed outside the water tank 300 and guide air into the water tank 300. The humidification connection passage 105 may be disposed outside the visual body 210 and guide air into the visual body 210.

The humidifying connection flow path 105 may be disposed outside at least one of the water tank 300 or the visual body 210, and guide the air into any one of the water tank 300 or the visual body 210. .

The discharge passage 107 may be disposed between the top cover assembly 230 and the visual body 210. The discharge passage 107 may be disposed in at least one of the top cover assembly 230 and the visual body 210.

In the present embodiment, the discharge passage 107 is formed between the top cover assembly 230 and the visual body 210, and the water supply passage 109 is disposed at the inner center of the top cover assembly 230, respectively.

Humidification and cleaning device according to this embodiment the power is connected to the air clean module 100, the air wash module 200 is supplied with power through the air clean module (100).

Since the air wash module 200 is detachable with respect to the air clean module 100, the air clean module 100 and the air wash module 200 are provided with a detachable power supply structure.

Since the air clean module 100 and the air wash module 200 are detachably assembled through the upper body 120, the upper body 120 provides a base for supplying power to the air wash module 200. The connector 260 is disposed. An internal wireless power transmitter 410 is installed in the base connector.

The top cover assembly 230 of the air wash module 200 has an operation unit and a display that require power. The air wash module 200 has a top connector 270 that is detachably connected to the base connector 260. The top connector 270 is disposed on the top cover assembly 230.

In this embodiment, since the top cover assembly 230 can be separated, the inner surface of the visual body 210 or the inner surface of the water tank 300 can be easily cleaned.

The top cover assembly 230 has a water supply passage 109 formed therein, and forms a discharge passage 107 between the top cover assembly 230 and the visual body 210. The top cover assembly 230 is detachably installed with respect to the visual body 210. The top cover assembly 230 includes a top connector 270 electrically connected to the base connector 260.

When the top cover assembly 230 is mounted, the top connector 270 is mounted on the upper side of the base connector 260. The top cover assembly 230 receives electricity from the base connector 260 through the top connector 270.

The top connector 270 is provided with a wireless power receiver 420 therein.

When the top connector 270 is disposed to correspond to the base connector when the top cover assembly is mounted, the wireless power signal is transmitted from the wireless power transmitter to the wireless power receiver to supply power to the top cover assembly.

A water level display unit 247 displaying a water level of the water tank 300 is disposed around the water supply passage 109. So, when the user waters the water, the user can check how high the water level of the invisible water tank 300 is filled. By arranging the water level display unit 247 on the copper wire for water supply by the user in this way, it is possible to prevent the user from excessively supplying water and to prevent the water from overflowing in the water tank 300.

The water level display 247 is disposed on the top cover assembly 230. The detachable power supply structure of the top connector 270 and the base connector 260 makes it possible to effectively configure the upper water supply.

The water tank 300 is detachably mounted to the upper body 120. The watering unit 400 is disposed inside the water tank 300, and rotates inside the water tank 300.

The water tank 300 is formed of a water tank body 320 in which water is stored, an air wash inlet 31 formed at a side surface of the water tank body 320, and extended upward from the water tank body 320. Includes a tank body extension portion 380 coupled to the visual body (210).

In this embodiment, the tank body 320 is formed in a cylindrical shape of the upper side is opened. Unlike the present embodiment, the tank body 320 may be formed in various shapes.

The watering unit 400 has a function of supplying water to the humidifying medium 50. The watering unit 400 has a function of visualizing the humidification process. The watering unit 400 has a function of implementing a rain view inside the air wash module 200.

The watering unit 400 rotates the watering housing 800 to suck water in the water tank, pump the sucked water upwards, and spray the pumped water radially outward. The watering unit 400 includes a watering housing 800 that sucks water into the inside, pumps the sucked water upward, and sprays it outward in a radial direction.

In this embodiment, the watering housing 800 is rotated to spray water. Unlike the present embodiment, water may be sprayed using a nozzle instead of the watering housing 800. Water may be supplied to the humidifying medium 50 by spraying water from the nozzle, and rainview may be similarly implemented. According to an embodiment, water may be sprayed from the nozzle and the nozzle may be rotated.

Water sprayed from the watering housing 800 wets the humidifying medium 50. Water sprayed from the watering housing 800 may be sprayed toward at least one of the visual body 210 or the humidifying medium 50.

Water sprayed toward the visual body 210 may implement a rain view. Water sprayed toward the humidifying medium 50 is used to humidify the filtered air. After spraying water toward the visual body 210 to implement the rainview, water flowing down from the visual body 210 may be implemented to wet the humidifying medium 50.

In the present embodiment, a plurality of jets having different heights are disposed in the watering housing 800. Water discharged from any one of the injection holes to form a droplet on the inner surface of the visual body 210 to implement a rain view, and the water discharged from the other injection hole is used to humidify the humidifying medium (50).

The watering housing 800 sprays water toward the inner side of the visual body 210, and the sprayed water flows down along the inner side of the visual body 210. Droplets formed in the form of water droplets are formed on the inner surface of the visual body 210, the user can see the droplets through the visual body 210.

In particular, the water flowing down from the visual body 210 is used to humidify the humidifying medium 50. The humidifying medium 50 may be wetted by water sprayed from the watering housing 800 and water flowing down from the visual body.

The visual body 210 is coupled to the water tank 300 and is located above the water tank 300. At least a portion of the visual body 210 is formed of a material that can see through the inside.

The display module 160 may be disposed outside the visual body 210. The display module 160 may be coupled to any one of the visual body 210 and the upper body 120.

The display module 160 is disposed on a line of sight through which the rain view can be observed. In the present embodiment, the display module 160 is disposed on the upper body 120.

When the air wash module 200 is mounted, the outer surface of the visual body 210 is in close contact with the display module 160. At least a part of the surface of the display module 160 may be formed or coated with a material that reflects light.

Droplets formed on the visual body 210 are projected onto the surface of the display module 160. Thus, the user can observe the movement of the droplets in two places of the visual body 210 and the display module 160.

The water tank 300 is formed with an air wash inlet 31 through which air is communicated. The air wash inlet 31 is located between the connecting passage 103 and the humidifying passage 106. The air wash inlet 31 is an outlet of the connecting passage 103 and is an inlet of the humidifying passage 106.

The filtered air supplied from the air clean module 100 flows into the air wash module 200 through the air wash inlet 31.

The humidifying medium 50 includes a water tank humidifying medium 51 disposed at the inlet of the humidifying passage 106 and a discharge humidifying medium 55 disposed at the outlet of the humidifying passage 106. The outlet of the humidifying passage 106 and the inlet of the discharge passage 107 are connected to each other. Thus, the discharge humidifying medium 55 may be disposed in the discharge passage 107.

Filtered air is humidified by water naturally evaporated from the humidifying medium 50. The spontaneous evaporation refers to the evaporation of water without additional heat. As the contact with the air increases, the faster the flow rate of the air, the lower the pressure in the air, the more spontaneous evaporation is promoted. The natural evaporation may also be referred to as natural vaporization.

The humidifying medium 50 promotes natural evaporation of water. In this embodiment, the humidifying medium 50 is wetted with water, but is not immersed in the water tank 300.

Since the water is separated from the water tank 300 and disposed separately, the water tank humidification medium 51 and the discharge humidification medium 55 are not always wet even if there is water stored in the water tank 300. That is, the bath humidifying medium 51 and the discharge humidifying medium 55 are wetted only when the humidification mode is operated, and when the tank humidifying medium 51 and the discharge humidifying medium 55 are dried when the air humidifying mode is operated. Can be maintained.

The water tank humidifying medium 51 covers the air wash inlet 31, and air flows through the water tank humidifying medium 51 to flow into the water tank 300.

The discharge humidifying medium 55 may be disposed at the outlet of the humidifying passage 106 or the inlet of the discharge passage 107.

In the present embodiment, the discharge humidification medium 55 is disposed to cover the upper portion of the visual body 210. The discharge humidifying medium 55 is mounted on the visual body 210. Unlike the present embodiment, the discharge humidification medium 55 may be coupled to the bottom surface of the top cover assembly 230.

The discharge humidifying medium 55 covers the discharge passage 107, and the humidifying air passes through the discharge humidifying medium 55 and then flows to the discharge passage 107.

Hereinafter, the top cover assembly 230 will be described.

4 is a perspective view of the top cover assembly separated from the air wash module shown in FIG. 2.

In the present embodiment, the water tank 300 and the visual body 210 are manufactured as separate components. Unlike the present embodiment, the water tank 300 may be manufactured integrally with the visual body 210. For example, some components of the water tank 300 may be formed of a transparent material through double injection. In this case, the visual body 210 is not manufactured as a separate component.

In this embodiment, the top cover assembly 230 is described as being mounted on the visual body 210, but unlike the present embodiment, when the visual body 210 is integrated with the water tank 300, the opening of the water tank 300 It can be mounted on the upper side.

In the present exemplary embodiment, the top cover assembly 230 may be detachably mounted to the visual body 210. The top cover assembly 230 not only provides a discharge passage 107 but also provides a water supply passage 109 for water supply.

In the present embodiment, the top cover assembly 230 is located above the discharge humidifying medium 55. In the present embodiment, the discharge humidifying medium housing 1400 in which the discharge humidifying medium 55 is disposed is disposed, and the top cover assembly 230 is disposed on the discharge humidifying medium housing 1400. The discharge humidifying medium housing 1400 is mounted on an upper portion of the visual body 210. The top cover assembly 230 is mounted on the upper part of the discharge humidifying medium housing 1400. The top cover assembly 230 may be integrally assembled with the discharge humidifying medium housing 1400. In the present embodiment, the top cover assembly 230 and the discharge humidification medium housing 1400 are manufactured, respectively.

The top cover assembly 230 is mounted on and supported by the visual body 210, and does not apply a load to the discharge humidifying medium housing 1400.

The top cover grill 232 includes a grill discharge port 231 forming at least a portion of the discharge passage 107 and a grill water supply port 233 forming at least a portion of the water supply passage 109. The grill discharge port 231 and the grill water supply port 233 are formed to be opened in the vertical direction. The grill water supply port 233 is disposed at the inner center of the top cover grill 232, and the grill discharge port 231 is disposed outside the grill water supply port 233.

The top cover grill 232 is detachably mounted to the visual body 210. The top cover grill 232 is mounted to the inside of the visual body 210.

The operation module 240 is coupled to the top cover grill 232.

The operation module 240 may receive a user's operation signal. The operation module delivers the water level information to the user. A water supply passage 109 is disposed in the operation module 240. The operation module 240 is electrically connected to the top connector 270 and receives power from the top connector 270.

The operation module 240 is provided with an input unit 245 and a water level display unit 247 in an operation space formed inside the operation housing in which at least a portion of the water supply passage 109 is coupled to the discharge grill and formed therein. Input / output control units 246 and 470 that control the input unit 245 and the water level display unit 247 are included.

The operation housing 250 includes an upper operation housing 242 and a lower operation housing 244.

The operation space 243 is formed between the upper operation housing 242 and the lower operation housing 244, and is sealed to prevent water from penetrating the operation space 243. The input unit 245, the water level display unit 247, and the input / output control unit 246 are disposed in the operation space 243.

Although not shown in the present embodiment, the water filter (not shown) may be installed on the water supply passage 109 or the water tank 300. The water filter may purify hard water by soft water. When the water filter is disposed, it is preferably disposed in the operation housing, softened by gravity, and then moved to the water tank 300.

The input unit 245 may be a touch panel capable of detecting a user's touch manipulation. The input unit 245 may receive a user's touch manipulation in a positive pressure or capacitive manner. Unlike the present embodiment, the input unit 245 may be a button.

The input unit 245 is disposed at the bottom of the upper operation housing. A light emitting member (not shown) may be disposed in the input unit 245, and light may be selectively generated from the light emitting member.

For example, when it is necessary to receive a user's operation signal, the input unit 245 may emit light. For example, when it is necessary to make the user recognize the operation signal input by the user, the input unit 245 may emit light. In addition, when the humidification and cleaning device is operated in accordance with the operation signal input by the user, it may be emitted.

The housing of the operation module 240, the surface of the upper operation housing may be coated with a material that can selectively transmit light. Accordingly, the light emitted from the input unit 245 can pass through the upper operation housing, the user can see it. When the input unit 245 does not emit light, external light is reflected from the surface of the upper operation housing, and the user cannot confirm the position of the input unit.

When water is poured into the water tank, the water level display unit 247 can be checked.

An input unit display area 255 in which the input unit 245 is displayed and a water level display area 257 in which the water level display unit 247 is displayed are disposed in the operation housing.

The input unit display area 255 and the water level display area 257 may be inclined forward.

The input / output controller 246 detects the signal of the input unit 245, analyzes the signal of the input unit 245, and transmits the signal to the controller (not shown). The controller may be disposed in the base body 110.

The input unit 245 may be concealed in the upper operation housing, and may emit light only during operation to expose a position to the user. Power of the input unit 245, the water level display unit 247, and the input / output control unit 246 is provided through the base connector 260.

The top connector 270 is assembled with the operation module 240 to form the top cover assembly 230. Since the top connector 270 and the base connector 260 can be separated, the top cover assembly 230 can be detachably mounted to the visual body 210, and a power or electric signal from the base body 110 can be mounted. Can transmit and receive.

When the top connector 270 is mounted on the upper side of the base connector 260, it is electrically connected to the base connector 260, and when the top connector 270 is separated from the base connector 260, the base connector 260. ) Is electrically disconnected.

The top connector 270 may be mounted on the upper side of the base connector 260 without a separate structure. For example, when the top cover assembly 230 is mounted on the visual body 210, the top cover 270 and the base connector 260 may be positioned outside the visual body 210.

In the present exemplary embodiment, since the top connector 270 is positioned inside the visual body 210, the top connector 270 is disposed above the visual body 210, and the top connector 270 is disposed below the visual body 210. Base connector 260 is disposed.

That is, the top connector 270 and the base connector 260 are separated by the boundary of the visual body 210. Therefore, the top connector 270 and the base connector 260 should transmit power and signals through the visual body 210.

In the present embodiment, the top connector 270 and the base connector 260 transmit a signal through wireless communication. Unlike the present embodiment, a communication signal may be transmitted through direct contact.

The base connector 260 and the top connector 270 communicate electrical signals in a non-contact manner. Various communication modules may be used for wireless communication between the base connector 260 and the top connector 270.

Since the base connector 260 and the top connector 270 are disposed at a short distance, IR, Zigbee, NFC, Bluetooth, and the like suitable for short range communication may be used.

In the present embodiment, the base connector 260 and the top connector 270 communicate with each other through an IR signal. In order to transmit the IR signal, the connector mounting unit 212 should be made of a material capable of passing the IR signal. In this embodiment, the connector mounting portion 212 is formed of a transparent material. Since the entire visual body 210 is formed of a transparent material that can transmit light, a separate material need not be disposed only for the connector mounting portion 212.

The base connector 260 is provided with a base connector window 263 that can transmit the IR signal. The top connector 270 is provided with a top connector window 273 capable of transmitting the IR signal.

The top connector communication unit 275 is disposed above the top connector window 273. The base connector communication unit 265 is disposed below the base connector window 263.

The signal transmitted from the top connector communication unit 275 is received by the base connector communication unit 265 via the top connector window 273, the connector mounting unit 212, and the base connector window 263.

On the contrary, the signal transmitted from the base connector communication unit 265 is received by the top connector communication unit 275 via the base connector window 263, the connector mounting unit 212, and the top connector window 273.

The signal transmitted from the top connector communication unit 275 to the base connector communication unit 265 may be a user's operation signal input to the operation module 240. The signal transmitted from the base connector communication unit to the top connector communication unit 275 may be a signal for controlling the water level display unit 247.

The base connector 260 and the top connector 270 supply power to the cover assembly from the visual body as well as communication using an electrical signal. The base connector 260 includes wireless power transmitters 277 and 410, and the top connector 270 includes wireless power receivers 276 and 420 to supply power from the visual body to the cover assembly in a non-contact manner. do.

When the top cover assembly is mounted on the visual body, induced electromotive force is generated in the wireless power transmitter 277 and the wireless power receiver 276, and the power applied from the power unit 185 of the visual body is supplied to the top cover assembly of the power receiver. do.

The wireless power transmitter 277 and the wireless power receiver 276 are disposed at positions corresponding to each other. In addition, the wireless power transmitter 277 and the wireless power receiver 276 are installed in a state where the top cover assembly is mounted within a predetermined distance.

When the top cover assembly is mounted on the visual body, power is supplied from the base body through the power supply unit 185, and power is supplied to the operation module of the top cover assembly, and a signal input is performed through a user's touch input or key input through the input unit. This becomes possible. In addition, the light emitting module may operate in response to a signal input through the input unit to emit light. As the light emitting module emits light and emits light, the user may visually check a touch operation or a key input state. In addition, the illumination of the operation module may operate to illuminate the light corresponding to the key input by the user's touch.

When the top cover assembly is separated from the visual body, the power supply between the wireless power transmitter and the wireless power receiver is cut off. If the top cover assembly is separated from the visual body by less than a certain distance, the power supply can be maintained. However, if the top cover assembly is separated from the mutually impossible distance, the power supply is immediately stopped.

Non-contact wireless power transfer (WPT) describes a power supply using induction electromotive force, but this is only one example, it may be implemented in other ways. The wireless power transmitter and the wireless power receiver are provided inside the base connector and the top connector, respectively, and are not exposed to the outside.

On the other hand, the discharge humidification medium housing 1400 is disposed below the top cover assembly 230. The user may supply water through the operation water supply port 241 formed in the top cover assembly 230.

When the cover assembly is mounted on the visual body, the discharge humidifying medium housing 1400 may have a groove formed at one side thereof so that the top connector is easily seated. The discharge humidifying medium housing is configured such that the shape of the groove is similar to that of the top connector.

The user may supply water from the upper side of the top cover assembly 230. The water dropped into the operation water supply port 241 flows along the surface of the water supply cap 1430 and is temporarily stored in the water supply reservoir 1442, and then flows down the discharge humidification medium housing 1440 through the water supply port 1445. .

After passing through the water inlet 1445, the water falls into the interior of the visual body 210, and then falls to the top of the watering housing 800.

When the watering housing 800 is rotated, the water supplied through the upper water supply is scattered to the inner surface of the visual body 210. Then, the scattered water flows along the inner surface of the visual body 210 and is stored in the water tank 300 to raise the water level of the water tank 300.

The controller determines the signal detected by the water level sensor 135 and displays the water level of the water tank 300 on the water level display unit 247.

The user can not see the water level inside the water tank 300 during the upper water supply, but can immediately check the elevated water level through the water level display unit 247 disposed around the operation water supply port 241.

Since the user can check the water level through the water level display unit 247 during the upper water supply, the upper water supply flow rate can be adjusted.

Meanwhile, in the present embodiment, the top cover assembly 230 has been described as a structure detachable from the visual body 210.

5 is a view referred to for explaining a method for supplying power to the top cover assembly in the humidifying and cleaning device of the present invention.

As described above, the base connector 260 of the base body is provided with a wireless power transmission unit, and supplies power to the top cover assembly in a connectionless manner. The top connector of the top cover assembly is provided with a wireless power receiver.

As shown in FIG. 5A, power is supplied to the top cover assembly according to a magnetic induction method between the wireless power transmitter of the base body and the wireless power receiver of the top cover assembly.

When the wireless power transmitter of the base body and the wireless power receiver of the top cover assembly are disposed close to each other by a predetermined distance, current is applied to the coil of the wireless power transmitter through switching control to form a magnetic field according to the current flow.

When the coil of the wireless power receiver is located in the range of the magnetic field of the wireless power transmitter, a current is induced in the coil of the wireless power receiver. As a result, power is supplied from the base body to the top cover assembly. The wireless power transmission method is described by using a magnetic induction method as an example, but only one example, a magnetic resonance (MR) method, and a remote microwave method may be used.

When power is supplied to the top cover assembly through wireless power transmission, power is supplied to the operation module 240 and the second display provided in the top cover assembly, as shown in FIG. The operation module 240 may be touched or keyed in as power is supplied. In addition, the lighting unit may be provided to the input unit. In some cases, the brightness of the illumination may be changed or a predetermined sound may be output in response to the manipulation of the input unit.

6 is a block diagram briefly showing a control configuration of the humidifying and cleaning device of the present invention.

As shown in FIG. 6, the humidifying and cleaning device includes an operation module 240 including an input unit 245, a display module 160 including a display module, a plurality of sensors, an electrostatic precipitator 500, and a blower motor 22. ), The aberration motor 42, the power supply unit 185, the communication unit 181, and a control unit 190 for controlling the overall operation.

The humidifying and cleaning device includes a gas sensor 131, a dust sensor 133, a temperature sensor 124, a humidity sensor 134, a water level sensor 135, and a filter sensor 127. Various other sensors may be installed, but other sensors will not be described.

As described above, the dust sensor 133 detects dust from sucked air. The dust sensor 133 detects the concentration of dust in the air and inputs it to the controller 190. The dust sensor 133 may detect the concentration of dust according to the size of the dust particles, and in this embodiment, may distinguish and detect the concentration of dusts of PM 1.0, PM 2.5, and PM 10.0.

The gas sensor 131 detects the concentration of odor from the sucked air. The gas sensor 131 senses the concentration of odorous substances contained in the indoor air, and detects various types of gas concentrations as well as food smells.

The temperature sensor 124 detects the temperature of the inhaled air, and the humidity sensor 134 senses the humidity of the inhaled air. At this time, since the temperature and humidity of the air to be sucked are the temperature and humidity of the indoor air, the controller 190 changes the operation or controls the humidification module based on the detected temperature and humidity.

The level sensor 135 detects the level of water contained in the water tank 300. The water level sensor detects whether the water in the tank is full or no water through the height of the water in the tank.

The filter sensor 127 may detect the case where the filter assembly 10 is opened from the body, and also detect whether the filter 14 installed in the filter assembly 10 is removed. The filter sensor 127 detects whether a filter is normally inserted, and detects no filter when one filter is not inserted.

The input unit 245 is included in the operation module 240 and is provided with a plurality of keys or touch means to receive a command from a user. The input unit 245 is disposed on the top surface of the top cover assembly 230 to set a command and an operation mode for the operation of the humidification cleaning apparatus.

In this case, as the operation module 240 is provided in the top cover assembly 230, when the top cover assembly 230 is opened and removed from the base body 110, the operation module 240 does not operate as the power supply from the body is cut off. .

The top cover assembly 230 and the body are supplied with power to the operation module 240 as the top cover assembly 230 is connected to the contact terminal when the top cover assembly 230 is mounted on the body, and a signal according to the key input of the input unit 245 is provided. Is input to the controller 190.

The controller 190 may detect whether the top cover assembly 230 is removed through a contact terminal or a sensor provided in the cover sensing unit to determine a cover open state.

The display module 160 displays an operation state of the humidification cleaning device. The display module 160 outputs an operation state by at least one combination of letters, numbers, icons, and images.

The display module 160 may display the information on the operation mode set according to the key input of the operation module 240 and the concentration of the smell or dust detected through the sensor, and display the measured temperature and humidity. It displays the humidity setting according to the function, network connection status and the status of the tank.

In addition, the lighting unit 165, which is one of the display modules 160, is turned on to indicate an operation state of the humidifying and cleaning device, and also outputs information on the indoor environment as it is lit in different colors in response to the concentration of odor or dust. do.

As described above, the blower motor 22 rotates the blower fan, sucks indoor air, and blows the sucked air to the air wash module 200 through the air clean module 100. The rotation speed of the blower motor is changed according to the wind strength setting of the input unit.

The aberration motor 42 sucks the water contained in the water tank 300 to be sprayed. The aberration motor 42 rotates the aberration 44 provided in the water tank so as to suck and spray water from the water tank. When water is injected by the aberration motor 42, the air passing through the air wash module 200 is humidified and discharged to the room.

In addition, the water tank of the humidifying and cleaning device may further include an ultraviolet unit 136 installed at the bottom of the water tank 300 to sterilize the water contained in the water tank and the water tank. The ultraviolet portion is composed of a lamp for generating ultraviolet rays, and repeatedly turns off for a predetermined time after maintaining the ON state for a predetermined time. At this time, the time for the ultraviolet ray operation is sufficient to sterilize the water in the water tank.

The communication unit 181 is connected to communicate with the mobile device of the user and transmits the state of the humidifying and cleaning device to the mobile device of the user. In addition, the communication unit 181 receives a user's command input through the user's mobile device and applies it to the controller 190. The communication unit 181 is a mobile device such as a user's mobile phone or tablet and wireless communication such as WLAN (Wireless LAN, Wi-Fi), 3G or 4G LTE, Bluetooth, Radio Frequency Identification (RFID), infrared communication (IrDA) Association may be connected wirelessly. When the communication unit 181 is connected to the mobile device, the display module 160 displays the communication connection state as an icon.

In addition, the communication unit 181 includes a second communication unit and a third communication unit for transmitting and receiving data between the base body and the top cover assembly as well as communicating with an external device. The base connector 260 and the top connector 270 are included in the second or third communication unit.

The electrostatic precipitator 500 is mounted on a humidifying and cleaning device to collect dust by charging dust particles contained in the air.

The electrostatic precipitator 500 may be installed in the filter assembly 10 in which the plurality of filters 14 are installed. The electrostatic precipitator 500 includes a charging unit for forming an electric field, and a dust collecting unit for collecting dust particles charged by the charging unit. While the air passes through the dust collector after passing through the charging unit, dust in the air is collected in the dust collector. The charging unit includes discharge electrodes and counter electrodes disposed in parallel with the discharge electrodes, and dust is charged by corona discharge between the discharge electrodes facing each other and the counter electrodes.

The power supply unit 185 rectifies and smoothes the supplied power, changes the voltage to a voltage required for operation, and supplies the power to each unit. In addition, the power supply unit 185 supplies power to the top cover assembly separated from the body. The power supply unit 185 includes a wireless power transmitter provided in the base body and a wireless power receiver provided in the top cover assembly to supply operating power to the top cover assembly in a non-contact manner.

The controller 190 starts or ends an operation according to a command input through the input unit 245 or the communication unit 181, and sets an operation mode. The controller 190 may be implemented by one or more processors and may be implemented by a hardware device.

The controller 190 controls the electrostatic precipitator 500, the blower motor 22, the aberration motor, the ion generator 137 and / or the ultraviolet unit 136 according to the operation mode, and the lighting unit 165 and the display module. The operation state of the humidifying and cleaning device may be displayed or notified to the user through the 160 and / or the communication unit 181.

The controller 190 may change an operation mode or change a setting in response to data sensed by a plurality of sensors, and may also determine the display module 160 or the communication unit by determining a failure or abnormal operation of the humidification cleaner from the data of the sensor. An error may be output through 181.

The controller 190 receives a signal from the input unit 245 included in the top cover assembly through the communication unit, and sets an operation mode to control the operation. When the standby mode is set from the input unit of the top cover assembly, the controller 190 applies a control command to the power supply unit so that the visual body operates at the standby voltage, and also controls the voltage supplied to the top cover assembly.

In addition, the controller 190 determines whether the top cover assembly is mounted on the visual body as an input sensing signal and controls the power to be supplied to the top cover assembly through the wireless power transmitter.

When the top cover assembly is separated, the controller 190 may determine that the cover is in the open state based on the cover detection signal, and cut off the power supply or set the standby mode.

When the cover is opened, the controller 190 sets the standby mode and applies a voltage lower than the normal mode to the wireless power transmitter.

The controller 190 may output an error by determining whether a foreign material exists between the visual bodies while the top cover assembly is mounted.

If foreign matter is located at the position where the top cover assembly is mounted, the distance between the top cover assembly and the visual body is separated by a predetermined distance, and thus, between the wireless power receiver provided in the top cover assembly and the wireless power transmitter provided in the visual body. Power transmission does not work properly.

In addition, the controller 190 may detect whether the foreign matter is located at the position where the top cover assembly is mounted while the top cover assembly 230 is not mounted.

The controller 190 detects the coil voltage of the power transmitter to determine whether there is a foreign substance by applying a voltage to the wireless power transmitter in the standby mode while the top cover assembly 230 is separated.

The controller 190 may detect the foreign matter according to the change of the coil voltage by using the resonance frequency through the wireless power transmitter.

When a foreign object is detected, the controller 190 may block the power transmission by controlling the wireless power transmitter 410. If the wireless power transmission is impossible due to the foreign matter, the controller 190 may output an error accordingly. In addition, the controller 190 may output a predetermined warning sound for the foreign matter, so that an error is output through the display module.

7 is a block diagram schematically illustrating a control configuration for power supply and communication of the humidification and cleaning device.

As shown in FIG. 7, the power supply unit 185 supplies operating power to the base body 110, and also includes a wireless power transmitter 410 and a wireless power receiver 420 to cover the top cover from the base body. Supply power to 230.

In addition, the wireless power transmitter further includes a coil voltage detector 450 that detects the coil voltage of the power transmitter.

The top cover assembly 230 includes an operation module 240 including an input unit 245 and a second display unit 257, and the operation module 240 and the display unit 257 are wireless power receivers 420. It operates by receiving power received by.

The controller 190 determines whether the top cover assembly 230 is separated from the visual body in response to the detection signal of the cover detector 440, and controls the operation of the wireless power transmitter 410 accordingly.

When the top cover assembly 230 is separated, the controller 190 sets a standby mode and applies a voltage according to the standby mode to the wireless power transmitter. In some cases, the controller 190 may block power supply to the wireless power transmitter to prevent unnecessary power supply.

When the standby mode is set through the input unit 245, the controller 190 controls the power unit 185 to operate in the standby mode, and enters the standby mode with the top cover assembly 230 to receive a signal in the standby mode. Allow voltage to be applied. That is, when the power supplied to the top cover assembly 230 is cut off in the standby mode, the input unit 245 is not operated, and thus the input according to the operation setting or the standby mode is not received. Accordingly, the controller 190 controls the power supply unit 185 to apply a voltage to the top cover assembly 230 in the standby mode.

The top cover assembly 230 receives power through the wireless power receiver 420. Accordingly, a voltage is applied to the input unit 245 and the second display unit 257 included in the top cover assembly 230, and the input / output control units 246 and 470 that control input and output operate.

The input / output controllers 246 and 470 control the output of the second display unit 257 in response to a signal input through the input unit 245, and transmit data to the base body through the third communication unit 480. The second display unit 257 is provided in the top cover assembly 230 among the display modules 160 described above, and a separate display may be added. For example, since the water level display area is displayed by the second display unit 257, the same reference numerals are specified.

The second communication unit 430 inputs the received data to the controller 190, and the controller 190 controls an operation corresponding to the input data.

In addition to the communication unit 181 for communication with the outside, in order to transmit and receive data between the base body and the top cover assembly 230, the second communication unit 430 on the base body, the third communication unit 480 is provided on the top cover assembly do. The second communication unit 430 and the third communication unit 480 are wirelessly connected through Bluetooth, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), and the like, but are not limited thereto. Communication schemes can be applied.

In the normal mode, when the standby mode is set through the input unit 245, the input / output control unit 246, 470 transmits data according to the standby mode setting through the third communication unit 480, and the controller 190 controls the second mode. In response to the data received through the communication unit 430, the standby mode is set.

The controller 190 controls the operations of the air clean module 100 and the air wash module 200 as the standby mode is set. In addition, the controller 190 controls a voltage applied from the wireless power transmitter 410 to the top cover assembly 230. As the standby mode is set, the voltage applied to the top cover assembly 230 through the wireless power receiver 420 is changed to a low voltage according to the standby mode.

The voltage according to the standby mode is used to receive the key input of the input unit 245, and the power supply is cut off for other operations. In some cases, some of the second display unit 257 may be operated. For example, the second display unit may maintain the notification display indicating the standby mode setting state, but may turn off all remaining displays.

When the standby mode release is selected through the input unit 245, the input / output controllers 246 and 470 transmit data corresponding to the standby mode release through the third communication unit 480, and the controller 190 releases the standby mode. By supplying power to operate in normal mode, air clean module and air wash module operate according to each setting.

The controller 190 allows a general voltage to be applied from the wireless power transmitter 410. As the top cover assembly 230 is applied with a general voltage, all operations are performed normally.

In addition, when the top cover assembly 230 is set in the standby mode when the top cover assembly 230 is separated, whether the foreign material is located at a position where the top cover assembly is mounted, that is, a position where the top cover assembly of the visual body is mounted. Detect it. In some cases, foreign objects between the base body connector and the visual body can also be detected.

As the standby mode is set by the controller 190, the wireless power transmitter transmits 6.5, which is lower than the voltage of 12V in the normal mode, selects a range according to the distribution of the resonance frequency, and then changes the frequency.

As the standby mode is set in the cover open state in which the top cover assembly is separated and the top cover assembly is separated, the wireless power transmitter 410 recognizes the foreign matter detection mode and performs an operation for foreign matter detection, and the coil voltage is correspondingly changed.

The coil voltage detection unit 450 detects the coil voltage according to the frequency change and inputs it to the controller.

The controller determines whether there is a foreign substance on the basis of the coil voltage input from the coil voltage detection unit 450. In the state where the top cover assembly is separated, the controller may determine whether there is a foreign matter on the basis of the coil voltage being different according to the foreign matter.

In addition, the controller 190 may determine whether there is a foreign substance in the state where the top cover assembly 230 is mounted. When foreign matter is located between the top cover assembly 230 and the base body 110, power is not normally supplied to the top cover assembly, and the input unit and the second display unit provided in the top cover assembly are not normally operated.

The foreign material may be located at the point where each body is joined. In particular, as the top cover assembly 230 is separated from the visual body 210, foreign matter may be located in the separation and mounting process.

When it is determined that the foreign matter is located, the controller 190 may output an error through the display unit, guide the foreign matter to be output, and output a predetermined warning sound or voice guidance.

In addition, since the heat generated by the foreign matter may lead to ignition and damage to the internal circuit, the controller 190 controls the wireless power transmitter 410 to stop the wireless power transmission when the foreign matter is detected.

8 is a block diagram schematically showing the configuration of a wireless power transmitter and a wireless power receiver for supplying power to the top cover assembly, and FIG. 9 is a simplified circuit configuration according to wireless power transmission of the humidifying and cleaning device of the present invention. Is illustrated.

As shown in FIGS. 8 and 9, the base body 110 includes a wireless power transmitter 410, and the top cover assembly 230 includes a wireless power receiver 420, from the visual body 210. Power is supplied to the top cover assembly 230 to be separated by using a non-connection method.

In addition, the coil voltage detector 450 is connected to the power transmitter 416 of the wireless power transmitter 410 to sense a voltage applied to the coil of the power transmitter.

The controller 190 receives the cover detection signal and determines whether the top cover assembly 230 is mounted on or separated from the visual body 210 to control on / off power supply through the wireless power transmitter 410. . When the top cover assembly 230 is separated, the controller 190 allows the wireless power transmitter to operate in the standby mode.

The wireless power transmitter 410 includes a filter unit 413, a regulator 414, a switching unit 415, a power transmitter 416, a current detector 412, and a power transmission controller 411. The coil voltage detector 450 is connected to the power transmitter 416.

The filter unit 413 filters the input power, that is, a current larger than or equal to a predetermined size. The filter unit 413 blocks inrush current.

The regulator 414 generates a voltage to be transmitted from the wireless power transmitter 410 to the wireless power receiver 420 according to a control command of the controller. The regulator transmits by changing the voltage according to the setting. For example, the regulator 414 outputs a voltage of 12V in the normal operation in response to the control command, and outputs a voltage of 6.5V in the standby mode setting. Accordingly, the voltages detected at the first point PV1 are 12V and 6.5V, respectively, in the normal mode and the standby mode.

The first voltage detector 417 is connected between the regulator 414 and the switching unit 415 to sense a voltage output from the regulator. Accordingly, the voltage detector 417 includes a plurality of resistors and capacitors, and senses the divided voltage according to the size of the resistor.

The first voltage detector 417 is output from the regulator to detect whether the voltage is normally applied to the power transmitter 416.

The first voltage detector 417 includes two resistors, and senses the divided voltage divided by the ratio of the resistance values of the two resistors as the output voltage of the regulator 414. One resistor has a capacitor connected in parallel. The first voltage detector may detect the output voltage PV1 by the regulator by sensing the distribution voltage according to the ratio of the resistance values.

In the first current detector 412, a resistor is connected between the regulator 414 and the switching unit 415 to sense a current flowing from the regulator to the switching unit. The current detector detects an overcurrent and inputs a detection signal to the power transmission controller. The current sensing unit 412 is connected to the voltage sensing unit 417.

The switching unit 415 applies a wireless power signal to the power transmission unit as the plurality of switches are turned on and off according to the switching control signal of the power transmission control unit. The switching unit may be connected to both ends of the coil of the power transmitter.

The switching unit converts the output voltage of the regulator into an alternating current to be applied to the coil to transmit power.

In the power transmitter 416, a current is applied to the coil by the operation of the switching unit, and electricity is induced. The coil of the power transmitter is preferably provided to face the back of the side where the switching unit and the power transmission control unit are provided and the power receiver.

The power transmission control unit 411 applies a different type of switching control signal (PWM control signal) to the switching unit in the normal mode and the standby mode.

For example, the power transmission control unit 411 applies a switching control signal of a specified frequency in the normal mode, and applies a switching control signal for section switching in the standby mode.

The power transmission controller applies a fixed frequency PWM control signal to the switching unit in the normal mode, and performs the high efficiency section switching at a lower frequency than the normal mode in the standby mode.

The power transmission controller divides the signal section into an operation section and a stop section to generate a switching control signal to operate the switching unit in the operation section. The power transmission control unit applies a switching control signal of a first frequency to the switching unit when the normal mode is set, and performs the interval switching to a frequency lower than the first frequency when the standby mode is set, and different frequencies in the normal mode and the standby mode. Generates a switching control signal of.

High-efficiency section switching means that the reactive circulating current by LC resonance is large, and thus power consumption in the standby mode is increased. Thus, PWM control is performed by dividing the switching section and the stop section for each section. The power transmission control unit divides the sections so that the lengths of the operation sections and the stop sections are different so that PWM control is performed in the operation sections. For example, the PWM control can be performed only in the operation section by repeating the operation section of 2ms and the stop section of 8ms.

In addition, the power transmission controller generates the switching control signal with a duty lower than the normal mode when the standby mode is set, and adjusts the ratio of the length of the operation section to the stop section according to the duty. When the standby mode is set, the power transmission controller sets the section so that the length of the operation section and the stop section is the same, or the length of the stop section is longer than the operation section.

The power transmission controller 411 may control the 50% duty in the normal mode, and control the duty to vary within the range of 0 to 50 in the standby mode. In addition, the power transmission control unit to reduce the noise through the soft switching.

As a result, the power is supplied in a non-contact manner from the base body to the top cover assembly as the wireless power signal is transmitted at a predetermined frequency by the switching unit, and the induced current is applied to the wireless power receiver. do.

The top cover assembly 230 includes a wireless power receiver, a switching regulator, an input / output controller, an input unit, and a second display unit.

The wireless power receiver may include a power receiver 421, a rectifier 422, and a second voltage detector 425. The rectifier includes a smoothing capacitor C1 of a predetermined size.

The wireless power receiver 420 receives power from the base body by the induced current generated in the coil of the power receiver 421.

The received power is rectified and smoothed through the rectifying unit 422 to be input to the switching regulator 490, and the switching regulator 490 outputs the operating power supplied to the load, that is, the input unit or the second display. The rectifier 422 includes a plurality of diodes.

In this case, the voltage applied to the second point PV2 is 9V to 20V, and the voltage of the operating power output from the switching regulator, that is, the voltage at the third point PV3 is 8V or 6.5V, respectively, depending on the mode.

The input / output controllers 246 and 470 apply a control signal to the switching regulator 490 to output the operating power at voltages of different magnitudes depending on the normal mode or the standby mode.

The switching regulator 490 performs DC-DC conversion according to the control signal of the input / output control unit 246 or 470 to control the output voltage according to the normal mode or the standby mode, and output an operating power having a voltage having a specified magnitude. For example, the switching regulator outputs the operating power at a voltage of 8V in normal mode and 6.5V in standby mode.

In the standby mode, since the 6.5V wireless power signal is transmitted from the wireless power transmitter in the standby mode, a switching regulator having high power efficiency is preferably used. In addition, in the standby mode, the switching regulator must output 6.5V of operating power with high efficiency, and therefore, a capacitor having a large capacity is preferably used for the wireless power receiver.

At this time, the wireless power receiver 420 does not include a separate microprocessor, and when the rectified operating power is output at a voltage having a predetermined size by the switching regulator, the switching regulator is controlled by the input / output controller.

Since the microprocessor is not provided in the wireless power receiver, hardware configuration is simplified and power consumption is reduced, thereby reducing standby power for the operation of the top cover assembly.

In addition, the second voltage sensing unit 425 is connected to the smoothing capacitor.

The second voltage detector 425 detects the magnitude of the voltage received by the wireless power receiver 420 and inputs it to the controller 190 through the third communication unit.

The second voltage sensing unit includes an eleventh resistor R11 connected to the rectifier and a twelfth resistor R12 connected in series to the eleventh resistor. In addition, an eleventh capacitor C11 connected in parallel to the twelfth resistor is included.

The second voltage detector detects a distribution voltage by the eleventh resistor and the twelfth resistor. It is detected by the received voltage. The second voltage detector may detect a received voltage by sensing a distribution voltage according to a ratio of resistance values of the eleventh and twelfth resistors.

In addition, the wireless power receiver includes an overvoltage protection unit that protects the circuit when an overvoltage is applied. The overvoltage protection part includes a thirty-first resistor R31 and a thirty-first diode ZD31. The thirty-first diode is a zener diode.

When the distance between the power transmitter and the power receiver is less than the set distance, for example, less than 5mm, a voltage of 20V or more may be applied to the power receiver. The overvoltage protection unit lowers the voltage when a voltage of 20V or more is applied so that the constant voltage can be applied.

The controller 190 determines whether the cover is separated through the cover detection unit configured as a sensor.

The coil voltage detector 450 is connected to the power transmitter 416 to sense a voltage applied to the coil, and inputs the sensed coil voltage to the controller 190.

The coil voltage detector 450 detects a change in the voltage applied to the power transmitter when the wireless power transmitter is set to the standby mode while the top cover assembly is separated. The coil voltage detector detects the coil voltage and applies the coil voltage to the controller, and the controller detects the foreign substance based on the coil voltage.

In the process of detecting the foreign matter, the power transmission control unit controls the regulator so that the output voltage is 6.5V by setting the standby mode according to the control command of the control unit while the top cover assembly 230 is separated.

Since foreign matter may be introduced in a state where the top cover assembly is separated, the controller detects the foreign matter when the top cover assembly is separated.

The controller detects the foreign matter by setting the top cover assembly to the standby mode while the top cover assembly is separated. The controller may release the standby mode of the wireless power transmitter when the foreign substance detection is completed. In addition, when the top cover assembly is mounted, the controller may detect the foreign matter based on the reception voltage of the wireless power receiver side of the top cover assembly.

In addition, the power transmission control unit sets the frequency range based on the resonant frequency according to the unique characteristics of the components constituting the wireless power transmitter, and detects the change in the coil voltage while changing the frequency within the frequency range.

Even if the products are produced by the same process, errors may occur in each product, and accordingly, a difference occurs in the resonance frequency for each product. Therefore, a foreign material is detected while varying the frequency by setting a predetermined range.

When the wireless power transmitter is set to the standby mode in the cover open state, the power transmission controller 411 determines that the foreign power is detected and controls the switching signal.

Upon detecting the foreign matter, the power transmission control unit 411 adjusts the coil voltage by reducing the duty from 50% to 3% in switching control of the plurality of switches of the switching unit 415.

The power transmission control unit 411 changes the frequency within a set error range based on the specifications of the resonance coil and the capacitor, based on the resonance frequency in the product design.

The wireless power transmitter performs a ping operation using a resonance frequency in a state where a low voltage is applied. At this time, the coil voltage detector 450 detects the coil voltage and inputs it to the controller.

The coil voltage is measured while changing the frequency, and the gain according to the resonance frequency sets a high frequency. At this time, when the foreign matter is located, since the gain is changed by the foreign matter at the same frequency, the coil voltage can be measured low. In addition, the coin voltage may be measured differently according to the type of foreign matter.

The value measured in the absence of foreign substances can be stored as a reference value, and based on the reference value, a set value for detecting foreign substances can be specified in consideration of measurement errors and performance differences according to products.

The controller selects a value at which the voltage is largely sensed with respect to the coil voltage sensed for each frequency and compares the value with the set value.

In addition, the controller may store the peak value among the coil voltages detected for each frequency, detect the voltage by repeating a predetermined number of times, for example, 10 times at the corresponding frequency, and determine the foreign matter through the coil voltage based on the average value. .

10 is a view referred to to explain the top cover assembly mounting structure of the humidification and cleaning device of the present invention.

As shown in FIG. 10, the wireless power transmitter 410 is provided in the base connector 260 protruding upward from the base body 110. The base connector 260 is configured to contact the visual body 210 to which the water tank is coupled.

The cover detector detects whether the top cover assembly 230 is mounted on the visual body 210 and inputs a detection signal to the controller.

The visual body 210 is coupled to the upper body 120 of the base body 110, the outer visual body 214 of a transparent material forms the appearance.

The base connector 260 is provided in the upper body 120, and when the visual body 210 is coupled to the upper body 120 by protruding upward, the base connector 260 is positioned below the visual body 210. As a result, the wireless power transmitter 410 located inside the base connector and the wireless power receiver 420 located inside the top cover assembly are disposed to correspond to each other to transmit power.

The distance between the wireless power receiver 420 and the wireless power transmitter 410 is determined according to the thickness of the bottom cover of the top cover assembly, the thickness of the visual body, and the thickness of the base connector. Accordingly, the parameters for the non-contact power supply are set. Can be.

As the wireless power transmitter 410 is fixed inside the base connector 260, the power transmitter 416 is disposed at a predetermined position.

The wireless power receiver 420 is inserted into and fixed to the top connector 270 of the top cover assembly 230. The wireless power receiver and the wireless power transmitter are disposed to face each other when the top cover assembly is mounted, and the positions thereof may be fixed by being fixedly disposed on the base connector 260 and the top connector 270, respectively.

When the foreign matter is located at the position where the top cover assembly is mounted, the distance between the power transmitter 416 and the power receiver 421 is farther away.

The switching frequency is set to enable power transmission even if the product is separated by a certain distance due to a small foreign matter or a problem in manufacturing the product. Accordingly, the power transmission controller may generate an output voltage by switching the switching unit to 113khz in the normal mode and 110khz in the standby mode. In addition, the power transmission control unit sets the switching frequency in consideration of the LC resonant frequency.

On the other hand, due to the foreign matter, when the distance between the wireless power transmitter and the wireless power receiver exceeds a predetermined error range it becomes impossible to supply power to the top cover assembly.

Accordingly, as described above, when the top cover assembly is separated, the controller switches the wireless power transmitter to the standby mode and detects a foreign substance.

11 is a diagram illustrating a voltage sensing circuit of the wireless power transmitter of the humidifying and cleaning device of the present invention.

As shown in FIG. 11, one end of the coil voltage detection unit 450 is connected to the switching unit 415 and the other end is connected to the power transmission unit 416.

The power transmitter 416 is between the first and third switches S11 and S13 and the second and fourth switches S12 and S14 of the first to fourth switches S11 to S14 of the switching unit 415. ) Is connected between. One end of the coil voltage detection unit 450 is connected to one end of the coil of the power transmitter 416, and the other end is connected to the first and third switches S11 and S13.

The coil voltage detector 450 includes a first resistor R21, a second resistor R22, a first capacitor C21, and a first diode D21.

One end of the first diode D21 is connected to the coil and the switching unit 415 of the power transmitter 416, and the other end thereof is connected to the first resistor R21 and the first capacitor C21. The other end of the first capacitor C21 is connected to the second resistor R22. The other end of the first resistor R21 is connected to the second resistor R22. The coil voltage is detected as a distribution voltage according to the resistance ratio of the first resistor R21 and the second resistor R22.

The first diode D21 and the first capacitor C21 rectify the current voltage applied to the power transmitter 416 into a DC voltage.

The coil voltage detector 450 detects the DC voltage rectified through the first diode D21 and the first capacitor C21 and applied to the resistor as the coil voltage V21.

12 is a view referred to for explaining the signal flow of the humidification and cleaning device of the present invention.

As illustrated in FIG. 12, the controller 190 determines whether the foreign matter is located at the position where the top cover assembly 230 is mounted on the detachable top cover assembly 230.

When the wireless power transmitter 410 operates in the standby mode and a voltage is applied to the power transmitter 416, the controller 190 may include a first voltage detector 417, a coil voltage detector 450, and a current detector 412. Based on the data input from), it is determined whether the foreign matter is located.

At this time, since the top cover assembly 230 is in a separated state, the foreign material may be detected based on the data of the wireless power transmitter 410. When the top cover assembly 230 is mounted, the controller 190 may detect the foreign matter based on the reception voltage of the wireless power receiver 420.

The first voltage detector 417 senses the voltage output from the regulator, and the current detector senses the current accordingly. The controller may determine whether the voltage according to the standby mode setting is normally output based on the detected voltage and current. For example, in the standby mode, the wireless power transmitter outputs about 6.5V.

In addition, the controller 190 controls the voltage and frequency of the wireless power transmitter 410 and detects the foreign matter on the basis of the change in the coil voltage detected by the coil voltage detector 450.

The wireless power transmitter 410 outputs 6.5V according to the standby mode, and adjusts the size of the coil voltage by lowering the duty when detecting foreign substances. In addition, the wireless power transmitter 410 changes the switching frequency step by step within the set frequency range so that a voltage is applied to the coil.

At this time, the frequency range is set within a predetermined error range based on the resonance frequency according to the design of the product and the resonance frequency of the coil and the capacitor of the wireless power transmitter. In addition, the duty to the switch frequency can be controlled to about 3% to 10%.

The coil voltage detector detects the coil voltage for each frequency.

The controller may detect whether there is a foreign substance by storing the highest value (peak value) of each frequency value for the coil voltage detected through the coil voltage detection unit, repeating the predetermined number of times and comparing the average value with a set value. .

13 is a diagram comparing the coil voltage sensed by the wireless power transmitter of the humidification and cleaning device of the present invention.

As shown in FIG. 13, the controller determines a set value based on a reference voltage, and compares the measured coil voltage with a set value Vth to determine whether there is a foreign substance.

At the same frequency, A is the reference voltage for the coil voltage in the absence of foreign matter, B is the coil voltage actually measured according to the product or the situation in the absence of foreign matter, and C is the coil voltage in the presence of foreign matter. to be.

At the same frequency, since the foreign matter acts as a load when the foreign matter is a position wave, the gain is changed to reduce the coil voltage. Accordingly, the controller can detect the foreign matter by comparing the coil voltage.

14 is a graph illustrating coil voltages sensed by the wireless power transmitter of the humidifying and cleaning device according to the present invention.

As shown in FIG. 14, a ping is performed for a predetermined number of times, for example, five times for each frequency, and a set number 501 is repeated (S110). That is, a ping of P1 of the first frequency, P2 of the second frequency, P3 of the third frequency, P4 of the fourth frequency, and P5 of the fifth frequency is performed to store the coil voltage measured accordingly, and the peak value ( 502). Repeat this process a certain number of times.

The coil voltage detector 450 detects the coil voltage and inputs it to the controller while the ping according to the frequency change is being performed. The controller 190 stores the coil voltage sensed for each frequency, selects and sums the peak values 502 for each set with respect to the values repeated in units of one set, and calculates an average thereof.

That is, in FIG. 12, the coil voltage B is the coil voltage measured as an average value.

The controller 19 determines whether there is a foreign matter by comparing the coil voltage obtained by summing the highest value (peak value) for each frequency with a set value.

15 is a flowchart illustrating a control method of the humidification cleaning apparatus according to the present invention.

As shown in FIG. 15, the humidifying and cleaning device filters or discharges foreign substances (fine dust) included in the air to be sucked in accordance with an input setting, or controls smell, and further, humidifies and discharges the air. .

When the power is input, the humidification cleaning device starts operation (S310).

The controller 190 determines whether the top cover assembly (cover) detachable from the visual body is mounted or separated (330).

If it is determined that the top cover assembly is normally mounted, the controller 190 allows power to be supplied to the top cover assembly (cover).

On the other hand, if it is determined that the top cover assembly is separated, the controller 190 sets a standby mode (S340).

As the standby mode is set in a state where the cover is opened, the wireless power transmitter 410 recognizes the foreign matter detection mode and performs an operation for detecting the foreign matter (S350).

The wireless power transmitter 410 performs a ping operation while changing a frequency within a set range. The wireless power transmitter 410 repeats a ping operation for at least five frequencies a certain number of times.

The coil voltage detector 450 detects the coil voltage while the wireless power transmitter 410 performs the ping operation (S360).

The controller 190 stores the coil voltage in a memory and selects a maximum value (peak value) for each frequency. As the ping operation is repeated, the controller 190 selects a maximum value for each number of times, and calculates an average by summing the maximum values.

The controller 190 compares the average value of the coil voltage with a preset set value (S370), and determines that the foreign matter is located when the coil voltage (average value) is less than the set value (S380).

When foreign matter is detected, the controller 190 outputs an error according to the foreign matter (S390). The controller 190 may output a warning to remove the foreign matter.

In addition, the controller 190 may block the supply of operating power to the top cover assembly according to the detection of the foreign matter. Since the standby mode is set and the low voltage is applied while the top cover assembly is separated, the controller 190 may cancel the standby mode and cut off the power supply of the wireless power transmitter.

If necessary, the controller 190 may determine whether to remove the foreign substance by resetting the standby mode and re-detecting the foreign substance after a predetermined time elapses.

On the other hand, if the coil voltage (average value) is more than the set value, it is determined that the foreign matter is not located.

The controller 190 may detect the foreign matter at predetermined time intervals until the top cover assembly is mounted.

When the foreign material is not detected and the top cover assembly is mounted, the controller 190 changes from the standby mode to the normal mode, and the operating power is applied to the top cover assembly.

16 is a flowchart illustrating a foreign material detection method of the humidifying and cleaning device of the present invention.

As shown in FIG. 16, in a state in which the cover is opened (S410), the controller 190 sets a standby mortem.

Accordingly, the wireless power transmitter 410 changes the applied voltage to a low voltage as the standby mode is set. The regulator of the wireless power transmitter 410 outputs a voltage of about 6.5V as the standby mode is set.

The power transmission control unit of the wireless power transmission unit recognizes the foreign matter detection mode to change the duty and applies a frequency signal within a setting range (S440).

The coil voltage detector 450 detects a voltage applied to the coil of the power transmitter 416 (S450).

If the frequency change frequency is less than the set frequency (S460), the power transmission control unit 411 changes the frequency within the set frequency range (S480). The power transmission control unit 411 increases the frequency change count (S490).

The power transmission control unit 411 applies the changed frequency signal (S440), and the coil voltage detection unit 450 detects the voltage applied to the coil of the power transmission unit 416 (450).

The power transmission control unit 411 detects the coil voltage while changing the frequency by a set number of times within the set frequency range (S440 to S490).

For example, as described above with reference to FIG. 14, the wireless power transmitter 410 applies a signal while changing a frequency to the first to fifth frequencies, and the coil voltage detector 450 detects each coil voltage.

The coil voltage detector applies the coil voltage to the controller.

When the frequency change is completed within the set frequency range, the controller 190 selects and stores the highest value, that is, the peak value, among the input coil voltages (S490).

If the wireless power transmitter changes the frequency by a set number of times within the set frequency range, the wireless power transmitter repeats a predetermined number of times (S495).

If the wireless power transmitter repeats the ping operation a predetermined number of times, the controller 190 stores the voltage peak value for each time and calculates an average thereof (S500).

The controller 190 compares the average of the calculated coil voltage with a set value (S510), and if the coil voltage (average) is less than the set value, determines that the foreign matter is located (S520). It is determined that the steady state (S530).

Accordingly, the controller 190 may output an error according to foreign matter detection, may also operate in a normal mode, and may repeat foreign matter detection at predetermined time intervals until the top cover assembly is mounted.

Therefore, the present invention can detect the foreign matter corresponding to the mounting position or mounting state of the detachable top cover assembly. The present invention can detect the foreign matter even in the detached state before the top cover assembly is mounted, thereby solving the power supply problem due to the foreign matter by outputting a warning about the foreign matter in advance.

Although the above has been illustrated and described with respect to preferred embodiments of the present invention, the present invention is not limited to the specific embodiments described above, but in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

100: air clean module 110: base body
120: upper body 130: lower body
150: air blowing housing 160: display module
200: air wash module
210: visual body 230: top cover assembly
240: operation module 245: input unit
260: base connector 270: top connector
300: tank
410: wireless power transmission unit 411: power transmission control unit
414: regulator 415: switching unit
420: wireless power receiver 490: switching regulator
470: input and output control unit

Claims (20)

In the humidification cleaning device including an air clean module and an air wash module,
A top cover assembly disposed on an upper portion of a water tank provided in the air wash module, the top cover assembly being detachably mounted to the water tank;
A wireless power transmitter formed on a base body having the air clean module and transmitting a wireless power signal to the top cover assembly;
A coil voltage detector connected to a power transmitter of the wireless power transmitter to sense a coil voltage applied to the power transmitter; And
And a controller configured to set a standby mode to the wireless power transmitter and detect foreign matter in response to the coil voltage when the top cover assembly is separated.
The wireless power transmitter, when the top cover assembly is separated and the standby mode is set to recognize the foreign matter detection mode, the humidification and cleaning device, characterized in that for controlling the voltage applied to the power transmitter by varying the output voltage and frequency . The method of claim 1,
The wireless power transmitter is a humidification device, characterized in that as the standby mode is set, a low voltage is applied to the output voltage lower than the voltage of the normal mode. The method of claim 1,
And the wireless power transmitter changes a duty to reduce a voltage applied to the power transmitter. The method of claim 3, wherein
The wireless power transmitter is a humidifying device, characterized in that for changing the duty to 3% to 10%. The method of claim 1,
And the wireless power transmitter sets a frequency range and changes a frequency within the frequency range so that the voltage applied to the power transmitter changes. The method of claim 5,
And the wireless power transmitter repeats a frequency change within the frequency range a predetermined number of times to perform a ping operation. The method of claim 5,
The wireless power transmitter transmits a voltage of a predetermined size to the power transmitter at a first frequency within the frequency range.
By changing the frequency so that a voltage of a predetermined magnitude is applied to the power transmitter at a second frequency,
A humidification cleaning device, characterized in that the voltage of a predetermined size is applied to the power transmission unit at the nth frequency by repeating the frequency change. The method of claim 7, wherein
And the wireless power transmitter repeats the change from the first frequency to the nth frequency a predetermined number of times. The method of claim 5,
And the wireless power transmitter sets a frequency range to be changed in consideration of the resonance frequency of the product and the resonance frequency of the coil and the capacitor. The method of claim 1,
The control unit determines that the foreign matter is located when the coil voltage is less than a predetermined set value. The method of claim 10,
The control unit calculates an average of the coil voltage sensed through the coil voltage detection unit, humidifying device characterized in that to detect the foreign matter by comparing the average of the coil voltage with the set value. The method of claim 11,
And the control unit selects peak values among coil voltages detected for each frequency changed by the wireless power transmitter, and calculates an average of each peak value as the frequency change is repeated. The method of claim 10,
The control unit is a humidifying device characterized in that for setting the set value to a value lower than the coil voltage in consideration of the measurement error on the basis of the coil voltage measured when the foreign matter is not located. In the control method of the humidifying cleaning device comprising a top cover assembly detachably mounted,
Detecting whether the top cover assembly is mounted;
Setting a standby mode when the top cover assembly is separated;
Recognizing a foreign material sensing mode and varying an output voltage and a frequency of a wireless power transmitter for supplying power to the top cover assembly;
Detecting a coil voltage applied to a power transmitter provided in the wireless power transmitter; And
And controlling foreign matters in response to the coil voltage. The method of claim 14,
When recognized in the foreign matter detection mode,
Setting a frequency range based on the resonance frequency; And
And controlling a voltage applied to the power transmitter by changing a frequency within the frequency range. The method of claim 15,
And repeating a predetermined number of times of changing the frequency within the frequency range. The method of claim 15,
If the frequency changes,
Causing a voltage of a predetermined magnitude to be applied to the power transmitter at a first frequency within the frequency range;
Changing a frequency to apply a voltage having a predetermined magnitude to the power transmitter at a second frequency;
And repeating the frequency change so that a voltage having a predetermined size is applied to the power transmitter at an nth frequency. The method of claim 15,
Detecting the foreign matter,
And comparing the sensed coil voltage with a predetermined set value, and determining that the foreign matter is located when the coil voltage is less than a phase set value. The method of claim 18,
When detecting the foreign matter,
Storing the coil voltage sensed according to a frequency change;
Selecting a peak value among coil voltages for each frequency; And
Comprising the step of calculating the average of the individual peak value as the frequency change is repeated,
And a method of comparing the average value of the coil voltage with the set value. The method of claim 14,
Outputting an error when a foreign object is detected;
If the foreign matter is not detected further comprising the step of repeating the foreign matter detection until the top cover assembly is mounted.

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