KR102210359B1 - Apparatus for wireless power supply and Apparatus for both humidification and air cleaning - Google Patents

Abstract

The wireless power supply device and the humidification cleaning device of the present invention are configured to be selectively installed according to the required voltage by sharing the circuit of the wireless power supply device into a basic circuit and an extension circuit, and output voltages at multiple levels. Thus, by generating an output corresponding to the required voltage, non-contact wireless power transmission can be applied to various devices. In addition, as power can be supplied through wireless power transmission between assemblies that are detachably mounted in a non-contact manner, there is an effect of improving safety by preventing an electric shock accident in a humidifying and cleaning device that has a risk of electric shock using water. .

Description

Apparatus for wireless power supply and Apparatus for both humidification and air cleaning}

The present invention relates to a wireless power supply device and a humidification cleaning device equipped with a wireless power supply device, and in particular, to a wireless power supply device provided with a non-contact power supply device and a humidification cleaning device provided with a wireless power supply device.

Conventional humidifiers are divided into a vibration type that vaporizes water from a vibration plate and discharges it into the air, and a natural evaporation type that evaporates naturally from a humidifying filter.

As a conventional humidifier is provided with a terminal for electrical contact to supply power to the cover, there is a problem in that an electric accident such as an electric shock due to water occurs. Accordingly, in recent years, there is a trend of using a non-contact power supply device in preparation for the risk of an electric accident.

As an example of a non-contact power supply device, Republic of Korea Patent No. 1505456 is a power supply device that charges a battery of a smart device. In order to supply power in a contactless manner, an NFC antenna and a WPT antenna structure are used to operate in a dual mode. It relates to a structure that does not degrade performance due to interference or signal interference.

However, when such a power supply is applied to a humidifier, the humidifier uses only a designed constant load, and in a variable load, the efficiency is very low in a low load area compared to the designed capacity, and power consumption increases.

In particular, in the humidifier, since the wireless power transmission module is controlled in an open loop without communication with the receiving unit, the efficiency may be very low depending on the operating conditions, and a method to improve this is required.

In addition, Korean Patent Publication No. 10-2016-0121353 discloses a basic topology according to wireless power transmission. A circuit configuration in which a full bridge and a rectifier are combined for wireless power transmission, and a circuit configuration in which a half bridge and a rectifier are combined are described.

However, such a power supply circuit may have only one designated output, and there is a problem in that the voltage ratio to input/output cannot be changed unless the coil is changed.

Even if the wireless power supply circuit is configured, it cannot be applied to various devices, and since the coil and circuit must be designed with a voltage ratio suitable for each device, there is a problem that it is impossible to share the wireless power supply circuit.

An object of the present invention is to provide a wireless power supply device capable of controlling output by configuring a circuit according to a voltage ratio required to supply power in a non-contact manner.

An object of the present invention is to provide a humidification and cleaning device provided with a wireless power supply device.

In addition, an object of the present invention is to share a wireless power supply circuit for supplying power in a non-contact manner.

An object of the present invention is to construct a wireless power circuit in various devices at low cost through common use of a wireless power supply device.

A wireless power supply device according to an embodiment of the present invention includes: a wireless power transmitter for transmitting a wireless power signal; In a wireless power supply apparatus comprising a wireless power device comprising; a wireless power receiving unit for receiving the wireless power signal in a non-contact method and supplying an output voltage of a predetermined size to a connected load, wherein the wireless power receiving unit comprises: A main power unit rectifying the operating power applied from the power signal; And an extended power unit that amplifies the voltage of the main power unit, wherein the wireless power receiving unit outputs a voltage at one or more levels by adding or removing the extended power unit.

The output voltage is increased according to the number of the extended power units included in the wireless power receiver.

The wireless power receiver is characterized in that it outputs a maximum voltage that can be output or outputs a voltage at a plurality of levels within a range of the maximum voltage.

The wireless power receiver is characterized in that it is composed of a voltage amplification circuit.

The wireless power supply device is characterized in that it comprises a basic circuit composed of the wireless power transmission unit and the wireless power receiving unit including the main power unit.

The wireless power supply device is characterized in that it comprises a basic circuit consisting of the wireless power transmission unit, the wireless power receiving unit including at least one of the main power unit and the extended power unit.

A humidification and cleaning device equipped with a wireless power supply device according to an embodiment of the present invention includes a base body in which a water tank is accommodated; A top cover assembly detachably mounted from the water tank; A wireless power supply device for supplying operating power from the base body to the top cover assembly in a non-contact manner; And an air clean module provided in the base body to purify the inhaled air. An air wash module positioned above the air clean module to discharge humidified air through water accommodated in the water tank; And a control unit that controls the air clean module and the air wash module according to a set mode, and controls the wireless power supply device to operate according to whether the top cover assembly is mounted and to supply operating power to the top cover assembly, and The wireless power supply device includes: a wireless power transmitter formed on the base body and configured to transmit a wireless power signal to the top cover assembly; And a wireless power receiver configured to receive a wireless power signal from the wireless power transmitter and supply operating power to the top cover assembly, and output one or more voltages to the top cover assembly.

A humidification and cleaning device equipped with a wireless power supply device and a wireless power supply device of the present invention,

There is an effect that the input/output voltage ratio can be changed without changing the coil according to the input/output voltage.

The present invention can share a circuit for wireless power transmission.

The present invention can be commonly used for various devices by changing the input/output voltage ratio according to the characteristics of the device and installing it.

In the present invention, it is possible to supply power through wireless power transmission between assemblies that are detachably mounted in a non-contact manner.

In the present invention, there is an effect of improving stability by removing the risk of electric shock from a device using water through a non-contact power supply and preventing the occurrence of electric accidents.

1 is a perspective view of a humidification cleaning apparatus according to a first embodiment of the present invention.
2 is an exploded perspective view of FIG. 1.
3 is a perspective view of the air wash module shown in FIG. 2 in which the top cover assembly is separated.
4 is a diagram referenced for explaining a method of supplying power to the top cover assembly in the humidification and cleaning apparatus of the present invention.
5 is a block diagram schematically showing the control configuration of the humidification and cleaning apparatus of the present invention.
6 is a block diagram schematically showing a control configuration for power supply and communication of the humidification and cleaning apparatus of the present invention.
7 is a schematic diagram showing the circuit configuration of the wireless power transmission device of the wireless power supply device of the present invention.
8 is a diagram showing the main circuit of the wireless power supply device of the present invention.
9 and 10 are diagrams illustrating an expansion circuit of the wireless power supply device of FIG. 8.
11 is a diagram showing a change in current according to power supply through the wireless power supply device of the present invention.
12 is a diagram illustrating a change in voltage according to power supply through the wireless power supply device of the present invention.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in a variety of different forms, and only these embodiments make the disclosure of the present invention complete, and are common knowledge in the technical field to which the present invention pertains. It is provided to completely inform the scope of the invention to those who have, and the invention is only defined by the scope of the claims. The same reference numerals refer to the same components throughout the specification. In addition, the control unit and each unit of the present invention may be implemented as one or more processors, and may be implemented as hardware devices.

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

1 is a perspective view of a humidifying and cleaning apparatus according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view of FIG. 1, and FIG. 3 is a perspective view of a top cover assembly separated from the air wash module shown in FIG.

As shown in FIGS. 1 to 3, the humidification and cleaning apparatus 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 filters after inhaling external air, and provides filtered air to the air wash module 200. The air wash module 200 receives the filtered air and performs 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 is provided with a water supply passage 109 through which water can be supplied 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 water 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 an internal connection channel. Since the air wash module 200 is detachable, 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 channel.

The air clean module 100 includes a base body 110, a filter assembly 10 disposed on the base body 110 and filtering air, and a filter assembly 10 disposed on the base body 110, and flowing air. It includes a blowing unit (not shown).

The air wash module 200 stores water for humidification, a water tank 300 detachably mounted on the air clean module 100, and disposed in the water tank 300, and the inside of the water tank 300 A watering unit 400 that sprays water from the water tank, and a humidification medium (not shown) that is wetted by water sprayed from the watering unit 400 and provides moisture to the flowing air , A visual body 210 that is coupled to the water tank 300 and formed of a material that can see the inside, and a discharge passage 107 through which air is discharged and water is detachably mounted on the visual body 210 It includes a top cover assembly 230 in which the supply water supply passage 109 is formed.

The air wash module 200 includes a humidification connection passage (not shown), a humidification passage (not shown), a discharge passage 107 and a water supply passage 109.

The clean connection channel (not shown) of the air clean module 100 and the humidification connection channel of the air wash module 200 are connected only 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 through the humidification passage and the discharge passage 107.

The base body 110 has an outer shape, a lower body 130 having a suction port (not shown) formed on a lower side thereof, and an upper body 120 that forms an outer shape and is coupled to the upper side of the lower body 130. Include. The upper body 120 is stacked on the upper side of the lower body 130, and the upper body 120 and the lower body 130 are assembled.

Air flows into the base body 110.

In the lower body 130, a flow path for sucking, filtering, and blowing air is formed, and structures according to the flow path are formed.

Structures for guiding the filtered air to the air wash module 200 and structures for mounting the air wash module 200 are disposed on the upper body 120.

The filter assembly 10 is detachably assembled from the base body 110. The filter assembly 10 provides a filtering flow path and filters outside air.

The filter assembly 10 has a structure that is detachable in a horizontal direction with respect to the base body 110. The filter assembly 10 is disposed to cross the flow direction of the air flowing against the vertical direction. The filter assembly 10 filters air flowing upward in the vertical direction.

The filter assembly 10 is disposed horizontally and forms a filtration passage 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 includes a filter (not shown) for filtering air.

The base body 110 includes a blowing unit (not shown) that flows air from the lower side to the upper side.

The blowing unit is disposed above the filter assembly 10 and disposed below the upper body 120.

The upper body 120 forms the outer shape of the base body 110, and the water tank 300 is inserted inside.

Since the upper body 120 separates and arranges the connection passage and the water tank insertion space, it is possible to minimize the water in the water tank 300 from flowing into the connection passage. In particular, since the connecting passage is partitioned through the upper inner body and is disposed outside the space where water is stored, it is possible to prevent water from flowing into the connecting passage.

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

A display module 160 for displaying an operating state to a user may be disposed on at least one of the air clean module 100 and the air wash module 200. In this embodiment, a display module 160 is installed on the base body 110 to display an operating state of the humidification and cleaning device to the user.

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

The display module 160 is supported on the outer visual body 214. The display module 160 may be manufactured integrally with the base connector 260.

In this 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 that can reflect light or is coated with a material that can reflect light.

Therefore, when water condensation on the visual body 210, water condensed on the visual body 210 may be projected or reflected on the surface of the display module 160. When the water condensed on the visual body 210 flows down, the same effect appears in the display module 160 as well.

This effect gives a visual stimulus to the user, and the user can intuitively recognize that humidification is being performed. The image of water droplets projected on the display module 160 has not only an emotional effect of providing a refreshing feeling to the user, but also a functional effect of knowing the humidification state.

The upper surface of the display module 160 is formed to be inclined. The display module 160 is formed to be inclined toward the user. So, the inside is high and the outside is formed low.

The air wash module 200 provides humidification for filtered air.

The air wash module 2000 injects water from the water tank 300 and circulates it. The air wash module 200 converts water into small droplets, and rinses the filtered air again through the scattered droplets. When washing the filtered air through the scattered water chamber, humidification and filtration are performed once again.

The air wash module 200 includes a humidification connection passage (not shown), a humidification passage (not shown), 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 (not shown), 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 accommodated in the visual body 210. Only the air wash module 200 can be easily lifted through the handle 180 and can be separated from the air clean module 100.

The humidification connection passage is disposed outside the water tank 300 and may guide air into the water tank 300. The humidification connection passage is disposed outside the visual body 210 and may guide air into the visual body 210. The humidification connection passage is disposed outside at least one of the water tank 300 or the visual body 210 and may guide air into the inside 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 this embodiment, a discharge passage 107 is formed between the top cover assembly 230 and the visual body 210, and a water supply passage 109 is disposed at the inner center of the top cover assembly 230, respectively.

In the humidification and cleaning apparatus according to the present embodiment, power is connected to the air clean module 100, and the air wash module 200 receives power through the air clean module 100.

Since the air wash module 200 is a detachable structure from 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 has a base that provides 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 includes an operation unit and a display that require power. A top connector 270 detachably connected to the base connector 260 is disposed on the air wash module 200. 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 a discharge passage 107 is formed between 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 above 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 receiving unit 420 therein.

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

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

The water tank 300 is formed by extending upward from the water tank body 320, an air wash inlet 31 formed on the side of the water tank body 320, and the water tank body 320, and the It includes a water tank body extension 380 coupled to the visual body 210.

In this embodiment, the water tank body 320 is formed in a cylindrical shape with an open upper side. Unlike the present embodiment, the water tank body 320 may be formed in various shapes.

The watering unit 400 has a function of supplying water to a humidifying medium (not shown). 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 a watering housing (not shown) to suck water inside the tank, pumps the sucked water upward, and sprays the pumped water radially outward.

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

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

A display module 160 may be disposed outside the visual body 210. The display module 160 may be coupled to either the visual body 210 or the upper body 120.

The water tank 300 has an air wash inlet 31 through which air is communicated. The air wash inlet 31 is located between the connection passage 103 and the humidification passage 106. The air wash inlet 31 is an outlet of the connection passage 103 and an inlet of the humidification 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.

Filtered air is humidified by water naturally evaporated from the humidification medium. The spontaneous evaporation refers to evaporation of water without applying additional heat. As the contact with air increases, the flow rate of air increases, and the pressure in the air decreases, spontaneous evaporation is promoted. The natural evaporation is also referred to as natural vaporization.

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

In this embodiment, the water tank 300 and the visual body 210 are manufactured as separate parts. Unlike the present embodiment, the water tank 300 may be manufactured integrally with the visual body 210. For example, a part 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 this embodiment, the top cover assembly 230 is detachably mounted on 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 this embodiment, the top cover assembly 230 is located above the discharge humidification medium 55. In the present embodiment, the discharge humidification medium housing 1400 in which the discharge humidification medium 55 is disposed is disposed, and the top cover assembly 230 is disposed on the discharge humidification medium housing 1400. The discharge humidification medium housing 1400 is mounted on the visual body 210. The top cover assembly 230 is mounted on the top of the discharge humidification medium housing 1400. The top cover assembly 230 may be integrally assembled with the discharge humidification medium housing 1400. In this embodiment, the top cover assembly 230 and the discharge humidification medium housing 1400 are each manufactured.

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

The top cover bug reel 232 includes a grill discharge port 231 forming at least a part of the discharge passage 107 and a grill water supply port 233 forming at least a part 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 bug reel 232, and the grill discharge port 231 is disposed outside the grill water supply port 233.

The top cover bug reel 232 is detachably mounted on the visual body 210. The top cover bug reel 232 is mounted inside the visual body 210.

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

The manipulation module 240 may receive a user's manipulation signal. The operation module delivers 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 coupled to the discharge grill and 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 part of the water supply passage 109 is 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 operating housing 250 includes an upper operating housing 242 and a lower operating housing 244.

The operation space 243 is formed between the upper operation housing 242 and the lower operation housing 244, and the operation space 243 is sealed so that water does not penetrate. 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 in the water tank 300. The water filter may purify hard water with soft water. When the water filter is disposed, it is preferably disposed in an operation housing, softened by gravity, and then moved to the water tank 300.

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

The input unit 245 is disposed on the bottom surface of the upper operating housing. In the input unit 245, a light emitting member (not shown) may be disposed, and light may be selectively generated from the light emitting member.

The top connector 270 is assembled with the operation module 240 to constitute a 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 on the visual body 210, and a power or electrical signal from the base body 110 Can send 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 ) And electrically disconnected.

The top connector 270 may be mounted above 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 connector 270 and the base connector 260 may be positioned outside the visual body 210.

In this embodiment, since the top connector 270 is located 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. The base connector 260 is disposed.

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

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

The base connector 260 and the top connector 270 communicate electric 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 in a short distance, IR, Zigbee, NFC, Bluetooth, etc. suitable for short-range communication may be used.

In this embodiment, the base connector 260 and the top connector 270 communicate through an IR signal. In order to transmit the IR signal, it must be made of a material capable of passing the IR signal through the connector holder. In this embodiment, the connector cradle 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.

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

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, and power applied from the power source 185 of the visual body is supplied to the top cover assembly of the power receiver.

The wireless power transmitter 410 and the wireless power receiver 420 are disposed at positions corresponding to each other. In addition, in a state in which the top cover assembly is mounted, the wireless power transmitter and the wireless power receiver are installed to be close to a predetermined distance or less.

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 signal input through the 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 irradiates light, the user can visually check the state of touch operation or key input. In addition, the lighting of the manipulation module may be operated, so that a lighting corresponding to a key input by a user's touch or the like may be turned on.

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. Power supply may be maintained when the top cover assembly is separated from the visual body by less than a certain distance, but power supply is immediately stopped when separated by a distance where mutual power supply is impossible.

The non-contact wireless power transmission (WPT) describes power supply using induced electromotive force, but this is only an example and 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.

Meanwhile, a discharge humidification medium housing 1400 is disposed under 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, a groove may be formed on one side of the discharge humidification medium housing 1400 so that the top connector is easily mounted. The discharge humidification medium housing is constructed so that the shape of the groove is similar to that of the top connector.

The user may supply water from the top 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 leisure 1441, and then flows to the lower portion of the discharge humidification medium housing 1440 through the water supply port 1445. .

The water that has passed through the water supply port 1445 falls into the inside of the visual body 210 and then falls onto the watering housing.

The control unit 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. The user cannot 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 disposed around the operation water supply port 241.

4 is a diagram referred to for explaining a method of supplying power to a top cover assembly in the humidification and cleaning apparatus of the present invention.

As described above, a wireless power transmission unit is provided in the base connector 260 of the base body to supply power to the top cover assembly in a non-connecting manner. The top connector of the top cover assembly is equipped with a wireless power receiver.

As shown in (a) of FIG. 4, 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 a predetermined distance, current is applied to the coil of the wireless power transmitter through switching control, thereby forming 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. Accordingly, power is supplied from the base body to the top cover assembly. This wireless power transmission method is described by using a magnetic induction method as an example, but only an example, a magnetic resonance (MR) method, a far-field microwave method, and the like 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 (b) of FIG. 4. The manipulation module 240 enables touch or key input as power is supplied. In addition, it is provided in the input unit so that the lighting can be turned on/emitting. In some cases, the brightness of the lighting may be changed or a predetermined sound effect may be output in response to the manipulation of the input unit.

5 is a block diagram schematically showing the control configuration of the humidification and cleaning apparatus of the present invention.

As shown in FIG. 5, the humidification and cleaning apparatus includes an operation module 240 including an input unit 245, a display module 160 including a display module, a plurality of sensors, an electric dust collection unit 500, and a blower motor 22. ), aberration motor 42, a power supply unit 185, a communication unit 181, and a control unit 190 for controlling the overall operation.

The humidification and cleaning apparatus 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. Other various sensors may be installed, but description of other sensors will be omitted.

As described above, the dust sensor 133 detects dust from the sucked air. The dust sensor 133 detects the concentration of dust in the air and inputs it to the control unit 190. The dust sensor 133 may detect the concentration of dust according to the size of the dust particles, and in this embodiment, the concentration of the dust, which is PM 1.0, PM 2.5, and PM 10.0, may be classified and sensed.

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

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 sucked are the temperature and humidity of the indoor air, the controller 190 changes the operation or controls the humidification module to adjust the degree of humidification based on the sensed temperature and humidity.

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

The filter sensor 127 can detect when the filter assembly 10 is opened from the body, and also detects 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 any one filter is not inserted.

The input unit 245 is included in the manipulation 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 and cleaning device.

At this time, 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, it does not operate as power supply from the body is cut off. .

When the top cover assembly 230 and the body are connected through a contact terminal when the top cover assembly 230 is mounted on the body, power is supplied to the operation module 240 and a signal according to a key input from the input unit 245 Is input to the control unit 190.

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

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

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

In addition, the lighting unit 165, which is one of the display modules 160, is turned on to display the operating state of the humidification and cleaning device, and 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 to suck indoor air, and blows the sucked air through the air clean module 100 to the air wash module 200. The rotation speed of the blower motor is changed according to the wind speed setting of the input part.

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

In addition, the water tank of the humidification and cleaning apparatus may further include an ultraviolet unit 136 installed at the bottom of the water tank 300 to sterilize the water tank and water contained in the water tank. The ultraviolet ray unit is composed of a lamp that generates ultraviolet rays, and is repeatedly turned off for a predetermined time after maintaining the ON state for a predetermined time. At this time, the time during which the ultraviolet ray unit operates is a time sufficient to sterilize the water in the water tank.

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

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 communication with an external device. The base connector 260 and the top connector 270 are included in the second or third communication unit.

The electric dust collecting unit 500 is mounted in a humidifying and cleaning device to charge and collect dust particles contained in the air.

The electric dust collecting unit 500 may be installed in the filter assembly 10 in which a plurality of filters 14 are installed. The electric dust collecting unit 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 air passes through the charging unit and then through the dust collecting unit, dust in the air is collected in the dust collecting unit. The charging unit includes discharge electrodes and counter electrodes disposed parallel to the discharge electrodes, and dust is charged by corona discharge between the discharge electrodes and the counter electrodes facing each other.

The power supply unit 185 rectifies and smoothes the supplied power, changes the voltage required for operation, and supplies the supplied 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 in order to supply operating power to the top cover assembly in a non-contact manner.

The control unit 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 control unit 190 may be implemented as one or more processors, or may be implemented as a hardware device.

The control unit 190 controls the electric dust collecting unit 500, the blowing motor 22, the aberration motor, the ion generating unit 137 and/or the ultraviolet unit 136 according to the operation mode, and the writing unit 165, the display module Through 160 and/or the communication unit 181, it is possible to display or inform the user of the operating state of the humidification and cleaning device.

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

In addition, the controller 190 determines whether or not the top cover assembly is mounted on the visual body as an input detection signal, and controls power to be supplied to the top cover assembly through the wireless power transmitter.

The control unit 190 receives a signal from the input unit 245 provided in the top cover assembly through a communication unit, and sets an operation mode accordingly to control the operation.

In addition, the control unit 190 may determine whether a foreign material exists between the top cover assembly and the visual body and output an error.

In addition, when the temperature of the wireless power transmitter is higher than a predetermined temperature or the current of the wireless power receiver is less than a predetermined current, the control unit 190 may determine that a foreign substance is located and output an error.

6 is a block diagram schematically showing a control configuration for power supply and communication of the humidification and cleaning apparatus of the present invention.

As shown in FIG. 6, the power supply unit 185 supplies operating power to the base body 110, and includes a wireless power transmission unit 410 and a wireless power receiving unit 420 from the base body to the top cover assembly. Supply power to 230.

The top cover assembly 230 includes an operation module 240 including an input unit 245 and a second display unit 257 disposed in the water level display area. It is specified that the second display unit uses the same symbols as the water level display area. The operation module 240 and the second display unit 257 operate by receiving power received by the wireless power receiving unit 420.

The control unit 190 determines whether the top cover assembly is separated from the visual body in response to the detection signal of the cover detection unit 440 and controls the operation of the wireless power transmission unit 410 accordingly.

When the top cover assembly 230 is separated, the control unit 190 cannot supply power, so that the wireless power transmission unit is blocked so that power is not unnecessarily applied. If necessary, when the top cover assembly 230 is separated, the control unit 190 may set the wireless power transmission unit 410 to the standby mode.

When the standby mode is set through the input unit 245, the control unit 190 operates in the standby mode by controlling the power supply unit 185, and enters the standby mode with the top cover assembly 230 to receive a signal in the standby mode. Make sure that the corresponding voltage is applied. That is, when the power supplied to the top cover assembly 230 is cut off in the standby mode, the input unit 245 does not operate, and thus an input according to operation setting or standby mode cancellation cannot be received. Accordingly, in the standby mode, the control unit 190 controls the power supply unit 185 so that the voltage is applied to the top cover assembly 230.

The top cover assembly 230 receives power through the wireless power receiver 420. Accordingly, voltage is applied to the input unit 245 and the second display unit 257 provided in the top cover assembly 230, and the input/output control units 246 and 470 for controlling input/output are operated.

The input/output control units 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, the water level display unit may be included in the second display unit 257.

The second communication unit 430 inputs received data to the control unit 190, and the control unit 190 controls an operation in response 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, a second communication unit 430 on the base body and a third communication unit 480 on the top cover assembly are provided. 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), etc., but are not limited thereto, and other wireless devices such as WIFI. Communication method can be applied.

The controller 190 controls the operation of the air clean module 100 and the air wash module 200 according to the operation mode being set. In addition, the control unit 190 controls a voltage applied from the wireless power transmission unit 410 to the top cover assembly 230. For example, as the standby mode is set, the control unit changes the voltage applied to the top cover assembly 230 through the wireless power receiver 420 to a low voltage according to the standby mode. The voltage according to the standby mode is used to receive a key input from the input unit 245, and power supply is cut off for other operations.

When the standby mode cancellation is selected through the input unit 245, the input/output control units 246 and 470 transmit data according to the standby mode cancellation through the third communication unit 480, and the control unit 190 cancels the standby mode. By supplying power to operate in the normal mode, the air clean module and the air wash module are controlled to operate according to their respective settings.

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.

The wireless power supply device includes a wireless power transmitting unit 410 and a wireless power receiving unit 420. The wireless power transmitter and wireless power receiver supply power in a non-contact manner.

The wireless power transmitter 410 may be provided in the base body 110 of the humidification and cleaning device.

The wireless power receiver 420 may be provided in the top cover assembly 230 of the humidification and cleaning device.

When the top cover assembly 230 is mounted, the wireless power supply device supplies power from the base body 110 to the top cover assembly 230 using a non-contact method. When the top cover assembly 230 is separated from the visual body 210, the power supply is cut off.

Accordingly, the control unit 190 receives the cover detection signal, determines whether the top cover assembly 230 is mounted on or separated from the visual body 210, and transmits the wireless power transmission unit 410 among the wireless power supply devices. On-off control of power supply through.

The wireless power transmission unit 410 includes a switching unit 415, a power transmission unit 416, and a power transmission control unit 411. The wireless power transmission unit 410 is configured to filter a regulator (not shown), a current detection unit (not shown), a voltage detection unit (not shown), or an input power source, that is, a current of a predetermined size or more, and to block an inrush current. It may further include.

The regulator generates a voltage to be transmitted from the wireless power transmitter 410 to the wireless power receiver 420 according to a control command from the controller. The regulator can transmit by changing the voltage according to the setting.

The voltage sensing unit is provided between the regulator and the switching unit 415 to detect a voltage output from the regulator. The voltage sensing unit includes a plurality of resistors and capacitors, and may sense a divided voltage according to the size of the resistor. In addition, the voltage sensing unit may detect whether a voltage is normally applied to the power transmission unit 416 by being output from the regulator.

The current sensing unit senses the current output from the regulator. The current sensing unit detects the overcurrent and inputs a sensing signal to the power transmission control unit 411. The current sensing unit may be connected to the voltage sensing unit. The current sensing unit may sense a current from a voltage applied to a resistor provided.

The switching unit 415 applies a wireless power signal to the power transmission unit 416 as a plurality of switches are turned on and off according to the switching control signal of the power transmission control unit 411. The switching unit converts the output voltage of the regulator into AC and applies it to the coil to transmit power.

The power transmission unit 416 includes a coil. Electric current is applied to the coil by the operation of the switching unit, and an electromagnetic induction phenomenon occurs.

It is preferable that the coil of the power transmission unit is installed to face the power receiving unit at the rear of the side where the switching unit and the power transmission control unit are provided.

The power transmission control unit 411 applies a switching control signal to the switching unit. Accordingly, a plurality of switches provided in the switching unit operate to apply a signal of a predetermined size to the power transmission unit. The power transmission control unit 411 may apply different types of switching control signals (PWM control signals) to the switching unit in the normal mode and the standby mode, respectively. In addition, the power transmission control unit 411 may control the switching unit through section switching. Also, the power transmission control unit 411 may control transmission power by changing the duty.

The power transmission control unit 411 may divide a signal section into an operation section and a stop section, and generate a switching control signal so that the switching unit operates in the operation section. The power transmission control unit applies a switching control signal of a first frequency to the switching unit when setting the normal mode, and performs section switching at a frequency lower than the first frequency when setting the standby mode. Can generate a switching control signal. High-efficiency section switching is to perform PWM control by dividing the switching section and the stop section for each section to solve this problem because the reactive circulating current due to the LC resonance is large and the power consumed in the standby mode increases. The power transmission control unit divides the section so that the length of the operation section and the stop section are different so that the PWM control is performed in the operation section.

Accordingly, a predetermined resonant frequency wireless power signal is transmitted by the switching unit 415 with a predetermined voltage output from the regulator, and an induced current is applied to the wireless power receiving unit from the base body to the top cover assembly 230. Power is supplied in a non-contact manner.

The top cover assembly 230 includes a wireless power receiving unit 420, an input/output control unit 470, an input unit 245, and a second display unit 257.

The wireless power receiving unit 420 may include a power receiving unit 421, a rectifying unit, and a smoothing capacitor having a predetermined size.

In addition, the wireless power receiving unit 420 may further include a voltage sensing unit (not shown) for sensing a received voltage. The wireless power receiver may include an overvoltage protection unit that protects the circuit when an overvoltage higher than the set voltage is applied. The overvoltage protection unit may include a zener diode. The wireless power receiver may further include a switching regulator that performs DC-DC conversion according to a control signal as needed to output an operation power having a voltage of a specified size.

The wireless power receiver 420 receives power from the base body by an 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 supplied to a load requiring power, that is, an input unit or a second display.

7 is a schematic diagram showing the circuit configuration of the wireless power transmission device of the wireless power supply device of the present invention.

As shown in FIG. 7, the wireless power supply device may configure a circuit in various forms according to an installed device or a required voltage.

The wireless power supply device is composed of a wireless power transmitter 410 and a wireless power receiver 420, and can output voltages of various sizes by making the configuration of the wireless power receiver 420 different according to the output voltage.

The wireless power transmission unit 410 is composed of a half bridge inverter. In addition, the wireless power receiving unit 420 is composed of a voltage amplifier circuit.

The wireless power transmission unit 410 includes a smoothing unit 413, a switching unit 415, and a power transmission unit 416, as described above. Other configurations of the voltage sensing unit, the current sensing unit, etc. will be omitted.

The wireless power transmission unit 410 will be described as an example configured with a half bridge circuit, but a full bridge circuit may also be used.

The smoothing part 413 includes a capacitor. The smoothing unit 413 is connected to the switching unit 415 to apply a DC voltage.

The switching unit 415 operates on and off according to the switching control signal from the power transmission control unit 411 to apply a power signal of a predetermined size to the power transmission unit 416.

The switching unit 415 includes a first switching element S1 and a second switching element S2. Each of the first and second switching devices may have a bypass diode connected.

MOSFETs are used for the first and second switching elements S1 and S2, and other switching elements may also be used. The power transmission control unit 411 may control the switching unit with a 50% duty. The first and second switching devices S1 and S2 are complementarily operated at a fixed duty of 50%.

At this time, the switching unit 415 and the power transmission unit 416 are connected by a first resonant capacitor Cr1 having a predetermined size. Accordingly, the first resonant capacitor and the power transmitter 416 form an LC resonant circuit. As the first resonant capacitor, a small capacity capacitor of several nanofarads (nF) may be used. For example, the first resonant capacitor Cr1 may be used with a capacity in the range of 80 to 100 nF. Preferably, 100nF may be used as the first resonant capacitor.

The power transmission control unit 411 may control the switching unit at a frequency higher than the LC resonance frequency, and may adjust the switching control signal by receiving feedback from the output voltage of the wireless power receiving unit.

The wireless power receiving unit 420 may be configured by adding or removing the main power unit 426 and the extended power unit 427 according to the required output voltage.

The wireless power receiving unit 420 may include a power receiving unit 421 and a main power unit 426. In addition, the wireless power receiving unit 420 may include a power receiving unit 421, a main power unit 426, and an extended power unit.

The wireless power receiving unit 420 may include a plurality of extended power units connected to the main power unit 426, and the output voltage may be changed according to the number of additionally connected extended power units.

According to the configuration of the extended power unit, the wireless power receiving unit 420 increases the amount of voltage that can be outputted. The wireless power receiver 420 may output various voltages within a range of an increasing output voltage.

The main power unit 426 outputs a voltage of a predetermined size by rectifying and smoothing the voltage transmitted from the wireless power transmission unit through the power receiving unit 421. The main power unit 426 is a rectifying unit 422 and a smoothing unit.

The extended power unit 427 amplifies the output voltage of the main power unit.

The extended power unit 427 is connected to the main power unit 426 and is not configured alone. The extended power unit 427 may be modularized so that a plurality of extended power units 427 may be connected to the main power unit.

The main power unit 426 includes a second resonant capacitor Cr2 connected to the power receiving unit 421, two diodes, and a capacitor.

The extended power unit 427 is composed of two capacitors and two diodes. The configuration of the two capacitors and the two diodes is the same as that of the main power unit, but the main power unit includes a resonant capacitor and the extended power unit includes a capacitor.

The main power unit 426 includes a second resonant capacitor Cr2, an eleventh diode D11, a twelfth diode D12, and a first capacitor Co1.

The second resonant capacitor Cr2 forms an LC resonant circuit together with the power receiving unit 421.

As the second resonant capacitor, a small capacity capacitor of several nanofarads (nF) may be used. As the second resonant capacitor, a resonant capacitor having the same size as the first resonant capacitor may be used. For example, the second resonant capacitor Cr2 may be used with a capacity in the range of 80 to 100 nF. Preferably, 100nF may be used as the second resonant capacitor.

The eleventh diode D11 and the twelfth diode D12 are connected in parallel, and the anode and the cathode are connected in opposite directions. One end of the eleventh diode and the first capacitor is grounded.

The first capacitor Co1 is connected between the eleventh and twelfth diodes D11 and D12. The first capacitor Co1 is a capacitor having a large capacity that does not affect the resonance frequency. It is preferable that the first capacitor Co1 has a size of 10 to 100 times or more of the first or second resonant capacitor. It is preferable to use 100uF as the first capacitor, and the size is variable.

The extended power unit 427 is composed of two capacitors and two diodes. The configuration of the two capacitors and the two diodes is the same as that of the main power unit, but the main power unit includes a resonant capacitor and the extended power unit includes a large-capacity capacitor.

The extended power unit 427 includes a 12th capacitor Co12 connected to the main power unit, a 13th diode D13 connected to the 12th capacitor, a 14th diode D14 connected in parallel with the 13th diode, and a 13th diode. And a second capacitor Co2 connected between the and the 14th diode D14.

In the thirteenth diode and the fourteenth diode D14, respective anodes and cathodes are connected in opposite directions.

As the twelfth capacitor and the second capacitor, a large-capacity capacitor that does not affect the resonant frequency may be used. It is preferable to use 100uF for the twelfth capacitor and the second capacitor, and the size can be changed.

The wireless power receiver 420 may output the first voltage Vo1 through the main power unit 426. The first voltage Vo1 is a voltage applied to the first capacitor Co1.

Further, the wireless power receiver 420 may output the second voltage Vo2 through the main power unit 426 and the extended power unit 427. The wireless power receiver may also output the first voltage Vo1.

The first voltage Vo1 is a voltage applied to the first capacitor Co1, and the second voltage is a voltage applied to the first capacitor and the second capacitor. The second voltage is twice the first voltage.

In FIG. 10 to be described later, the second extended power unit 428 may also be configured in the same manner as the extended power unit 427. The second extension unit may output a third voltage, and the third voltage may output a voltage of three times the first voltage.

8 is a diagram showing the main circuit of the wireless power supply device of the present invention.

The wireless power supply device may output voltages of various sizes according to the configuration of the wireless power receiver 420. The wireless power supply device may constitute a wireless power receiver in a form in which the extended power unit is added or removed according to the characteristics of the device.

As shown in FIG. 8, the wireless power supply device includes a wireless power transmitter 410 and a wireless power receiver 420.

The wireless power receiving unit 420 includes a power receiving unit 421 and a main power unit 426.

The wireless power receiving unit 420 composed of the power receiving unit and the main power unit 426 is a main circuit of the wireless power supply device.

The wireless power receiver 420 may output the first voltage Vo1 through the main power unit 426. The first voltage Vo1 is a voltage applied to the first capacitor Co1.

9 and 10 are diagrams illustrating an expansion circuit of the wireless power supply device of FIG. 8.

As shown in FIGS. 9 and 10, the wireless power supply device may configure a wireless power receiver in a form in which the extended power unit is added or removed according to the characteristics of the device.

The wireless power supply device is composed of a wireless power transmitter and a wireless power receiver, and may be configured by adding an extended power unit to the main circuit of FIG. 9. That is, the wireless power supply device may constitute a wireless power receiving unit by including the extended power unit 427 in the power receiving unit 421 and the main power unit 426.

As shown in FIG. 9, the wireless power supply device includes a wireless power transmission unit 410 and a wireless power reception unit 420.

The wireless power receiving unit 420 includes a power receiving unit 421, a main power unit 426 and an extended power unit 427.

When one extended power unit 427 is connected to the main power unit 426, the wireless power receiving unit 420 may output a second voltage Vo2 greater than the first voltage.

The second voltage is twice the first voltage.

The wireless power receiver can also output the first voltage.

In addition, as shown in FIG. 10, the wireless power supply device may be additionally installed with an extended power unit in the wireless power receiving unit.

The wireless power receiving unit 420 may include two extended power units 427 in the main power unit 426. That is, the wireless power receiving unit 420 includes a main power unit, an extended power unit 427 and a second extended power unit 428. The second extended power unit 428 is configured in the same manner as the extended power unit 427.

The wireless power receiver 420 may output a third voltage Vo3 that is greater than the second voltage Vo2 when two extended power units are included. The third voltage is three times the first voltage.

The wireless power receiver 420 may output a single third voltage or may output a first voltage, a second voltage, and a third voltage, respectively.

11 is a diagram showing a change in current according to power supply through the wireless power supply device of the present invention.

As the wireless power transmission unit 410 of the wireless power supply device is composed of a half bridge circuit, the current of the first switching element S1 of the switching unit 414 is half-wave rectified, as shown in FIG. 11A. , Can be detected.

In addition, since the second switching element operates complementarily with the first switching element, as shown in FIG. 11B, a current can be sensed.

By forming a half-bridge circuit in which the first and second switching elements operate complementarily, a current is applied to the coil of the power transmission unit 416, as shown in FIG. 11C.

As shown in (d) of FIG. 11, a current is applied to the power receiving unit of the wireless power receiving unit by the operation of the wireless power transmitting unit. The current applied to the power receiving unit is formed equal to the current of the power transmitting unit.

The current applied to the power receiver flows to the second resonant capacitor Cr2. As shown in (e) of FIG. 11, a current flows through the second resonant capacitor. The applied current is applied to the main power unit through the second resonant capacitor.

12 is a diagram illustrating a change in voltage 1 according to power supply through the wireless power supply device of the present invention.

As described above, when a current is applied to the wireless power receiving unit, the first voltage Vo1 is output from the main power unit 426, as shown in FIG. 12A.

The first voltage Vo1 is a voltage applied to the first capacitor Co1 of the main power unit.

Meanwhile, the extended power unit 427 outputs a second voltage Vo2, as shown in FIG. 12B. For example, 12V may be output as the first voltage Vo1.

The second voltage Vo2 is a voltage applied to the first capacitor Co1 and the second capacitor Co2. The second voltage may be output as 24V, which is twice the first voltage.

The wireless power supply device may non-contactly supply voltages of a plurality of levels of a predetermined size. Accordingly, the humidification cleaning device supplies operating power from the base body to the top cover assembly through the wireless power supply device.

In this way, the wireless power supply device can generate output voltages of various sizes according to the configuration of the extended power unit of the wireless power receiving unit when a voltage of a predetermined size is non-contactly transmitted through the same wireless power transmission unit. The wireless power supply can generate multi-level output voltages with the same input.

The wireless power supply unit is configured to share a wireless power receiver consisting of a wireless power transmitter, a power receiver, and a main power unit as a main circuit, and to additionally install an extended power unit on the shared main circuit, so it can be applied to various devices without design change have. In addition, the wireless power supply device can easily amplify the output voltage through the addition of the extended power unit.

In addition, the humidification and cleaning device may supply operating power in a non-contact manner to the detachable top cover assembly through a wireless power supply device. In addition, the humidification and cleaning device supplies operating power to the top cover assembly through a wireless power supply device, thereby preventing a short circuit or electric shock accident due to water.

In the above, preferred embodiments of the present invention have been shown and described, but the present invention is not limited to the specific embodiments described above, and without departing from the gist of the present invention claimed in the claims, Various modifications may be possible by those of ordinary skill in the art, and these modifications should not be individually understood from the technical spirit or prospect of the present invention.

100: air clean module 110: base body
120: upper body 130: lower body
160: display module
200: air wash module
210: visual body 230: top cover assembly
240: operation module 245: input
260: base connector 270: top connector
300: water tank
410: wireless power transmission unit 411: power transmission control unit
415: switching unit 420: wireless power receiving unit
426: main power unit 427.428: extended power unit

Claims (21)

A wireless power transmitter for transmitting a wireless power signal;
In the wireless power supply device comprising a wireless power device comprising; receiving the wireless power signal in a non-contact method, and supplying an output voltage of a predetermined size to a connected load,
The wireless power receiving unit may include a main power unit rectifying operation power applied from the wireless power signal; And
Includes; a plurality of extended power units amplifying the voltage of the main power unit,
The wireless power receiver
The first voltage output from the main power unit and a voltage of N times the first voltage according to the number of the extended power units are output, and voltages of a plurality of levels are simultaneously output within the range of the maximum voltage that can be output. ,
The extended power unit may include a second capacitor connected to the main power unit;
A third diode and a fourth diode connected to the second capacitor; And
Including a third capacitor connected between the third diode and the fourth diode, and outputs an amplified voltage,
The wireless power transmitter
A regulator that generates a voltage to be transmitted to the wireless power receiver and changes the transmission voltage according to a setting;
A switching unit including a plurality of switches and converting the output voltage of the regulator into AC;
A voltage sensing unit detecting whether the output voltage of the regulator is normal; And
Including; a power transmission control unit for applying a switching control signal to the switching unit,
The power transmission control unit,
When the operation mode of the device including the wireless power supply is a normal mode, a switching control signal of a first frequency is applied to the switching unit, and when the operation mode is a standby mode, a switching control signal of a frequency lower than the first frequency is switched to the switching unit. A wireless power supply device that is applied negatively. The method of claim 1,
The wireless power supply device, characterized in that the output voltage increases according to the number of the extended power unit included in the wireless power receiver. The method of claim 1,
The wireless power supply device, characterized in that the wireless power receiver outputs a maximum voltage that can be output. delete The method of claim 1,
The wireless power supply device comprises a basic circuit consisting of the wireless power transmission unit and the wireless power receiving unit including the main power unit. The method of claim 5,
The wireless power supply device, characterized in that the wireless power receiver outputs a first voltage. The method of claim 1,
The wireless power supply device comprises an expansion circuit, comprising the wireless power transmitter and the wireless power receiver including at least one of the main power and the extended power. The method of claim 7,
The wireless power receiving unit outputs a first voltage output from the main power unit and a second voltage greater than the first voltage output from the extended power unit. The method of claim 8,
The second voltage is a wireless power supply device, characterized in that twice the first voltage. delete The method of claim 1,
The wireless power supply device, characterized in that the wireless power receiver is composed of a voltage amplifier circuit. The method of claim 1,
The wireless power receiving unit further comprises a power receiving unit configured as a coil to receive the wireless power signal from the wireless power transmitting unit through an electromagnetic induction phenomenon. The method of claim 1,
The main power unit comprises a power receiving unit for receiving the wireless power signal and a resonance capacitor forming an LC resonance circuit;
A first diode and a second diode connected to the resonant capacitor and rectifying power applied from the power receiving unit; And
A wireless power supply device comprising a first capacitor that outputs the rectified power at a voltage of a predetermined size. The method of claim 13,
The resonant capacitor is a small-capacity capacitor in the unit of nanofarad (nF),
The first capacitor is a wireless power supply device, characterized in that the large-capacity capacitor 10 to 100 times the size of the resonant capacitor. The method of claim 13,
Wherein the first capacitor is connected between the first diode and the second diode, and one end of the first diode and the first capacitor in contact with each other is grounded. delete A base body in which a water tank is accommodated;
A top cover assembly detachably mounted from the water tank;
A wireless power supply device for supplying operating power from the base body to the top cover assembly in a non-contact manner; And
An air clean module provided in the base body to purify the inhaled air;
An air wash module positioned above the air clean module to discharge humidified air through water accommodated in the water tank;
Including a control unit that controls the air clean module and the air wash module according to a set mode, and controls the wireless power supply device to operate according to whether or not the top cover assembly is mounted to supply operating power to the top cover assembly. ,
The wireless power supply device,
A wireless power transmitter formed on the base body to transmit a wireless power signal to the top cover assembly; And
Including a wireless power receiver for receiving a wireless power signal of the wireless power transmitter and supplying operating power to the top cover assembly, and outputting a plurality of levels of voltage to the top cover assembly,
The control unit
When the standby mode is set through the input unit, a voltage according to the standby mode is applied to the top cover assembly through the wireless power receiver,
The voltage according to the standby mode is used to receive a key input of the input unit. The method of claim 17,
The wireless power supply device is a humidification and cleaning device, characterized in that the wireless power receiving unit is configured with a voltage amplifying circuit. The method of claim 17,
The wireless power supply device is a humidification and cleaning device, characterized in that consisting of a basic circuit or an extension circuit according to the magnitude of the voltage required by the top cover assembly. The method of claim 17,
The wireless power supply device corresponds to the voltage required by the top cover assembly,
And a main power unit rectifying the operating power applied from the wireless power signal, and constituting the wireless power receiving unit. The method of claim 20,
The wireless power supply device corresponds to the voltage required by the top cover assembly,
A humidification and cleaning apparatus comprising the wireless power receiving unit in which the voltage is amplified by adding an extended power unit to the main power unit.

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