KR20100082008A - Inductive power providing system having moving outlets - Google Patents

Abstract

The present invention relates to an induction power supply using a mobile induction power outlet. This device transmits power from an induction power outlet to an induction power receiver, where the induction power outlet has a primary inductor located behind a large surface, the induction power receiver has a secondary inductor and is used to move the primary inductor. The moving mechanism is located behind a large surface.

Description

INDUCTIVE POWER PROVIDING SYSTEM HAVING MOVING OUTLETS}

The present invention relates to an induction power supply using a mobile induction power outlet.

Powering where and when it is needed is very important in the construction of buildings. The number and location of power outlets required for each room depends on how the room is used. However, the function of the future room is often unknown when building. Therefore, after a long time since the building is completed, it is often necessary to relocate the power outlet, which is expensive.

Traditional power outlets are usually installed around the walls of the room. The wires to which the outlets are connected are often buried in the walls, and the terminal boxes are often connected to them. Therefore, the position of the outlet is determined by the position of the terminal box, and it is difficult to rearrange the outlet once the wall is completed.

Adding or relocating an outlet requires additional wiring, which must be grooved in the wall and installed in the wall if the wall is made of gypsum. To add a receptacle, you have to dig a wall or fix the terminal box with screws or bolts on the wall. Another way to relocate an outlet is to wire it to the wall surface and plug it into it, which is often done in schools and laboratories where walls are made of hard stone, concrete, or brick.

Price US Patent 3,585,565 simplifies the installation of electrical wiring using electrical tape and plug connectors. Connect the insulated ground conductor of a flat or film conductor sandwiched between insulating layers to two wires. Apply pressure-sensitive adhesive on one side of this tape or cable. Connect these tapes or cables to the power line using a three-prong connector.

In this method, the wiring can be made flat on the wall, but there is not much interference, but to install the outlet, the insulation must be peeled off the tape and a special plug is connected, and once the connected power line cannot be removed without exposing the wire.

In the wire coupling device introduced in Chang's US patent application 2002/84096, a rubber jacket was applied to the wire. Two conductors are fixed to the housing for each socket, and these conductors are fitted in the holes of the socket into which the plug is fitted. The wire or socket is attached to the wall with adhesive, and the socket side has holes for connecting other wires.

In this device, a power strip and an outlet are attached to the wall and protrude. Aside from what you don't want to see, the protruding socket can be shocked and fall off the wall. Since the socket and the electric wire are only supported by the adhesive, when the socket is dropped from the wall, the socket is suspended from the electric wire, and there is a high possibility of a safety accident.

Conventional electric sockets have holes for fitting the pins of a plug. For safety, the power supply side has a female structure and no wires are exposed. The plug to be inserted here has a male structure with pins. Do not allow children's fingers to enter the size of pins and holes. High-quality sockets are grounded, so only plugs with long ground pins can be inserted, but children are more likely to accidentally insert chopsticks or pencils into the socket holes. In this case, a power failure may occur and an electric shock may occur.

Since you don't want to see sockets or receptacles themselves, limit the number of sockets on the wall. In addition, the position of the socket is difficult to change, and an extension wire is required even when changing the socket.

The present invention has been made in view of the above problems in the related art, and an object of the present invention is to provide a power supply system different from that of a conventional socket or outlet.

It is an object of the present invention to provide an induction power outlet in which a primary inductor can be connected to a power source via a driver; The driver provides the oscillation voltage to the primary inductor; The primary inductor is inductively coupled with the secondary inductor wired to the electrical load; An induction power outlet is to provide an induction power supply that is installed at the interface of the workspace. In this case, the boundary surface is a wall, floor, ceiling, sink, bath, door or work surface, and the induction power consortium is usually installed in a prefabricated material installed on the interface, such as a gypsum board, wallpaper, paper sheet Use plaster tape, doors, window frames, wall tiles, closets, countertops, sinks, bathtubs, rugs, carpets, floors, linoleum, floor tiles, non-slip mats, stone or artificial stone.

In addition, a primary inductor may be installed on the waterproof surface, such as a countertop, a table, a bathroom surface, a sink, a bath, a closet, a cupboard, a door, a floor, a wall, a ceiling or a workbench. In addition, the primary inductor may be Fomica, bainer board, gypsum board, paint, plastic sheet, stone or artificial stone. The primary inductor may also be embedded in the base material and covered with the surface material. In addition, a primary inductor may be installed in an inductively operated reservoir and inductively coupled with a secondary inductor connected to an electrical device inside the reservoir. There may also be a magnetic flux guidance core for sending magnetic flux from the primary inductor to the secondary inductor.

The gypsum board attached to such an interface may include a layer of gypsum disposed between two sheets of paper, a conductor for connecting the primary inductor to a power source, and the primary inductor may be behind the paper sheet. In this case, the gypsum board includes a ferromagnetic core and a heating element for guiding magnetic flux between the primary and secondary inductors and is waterproof, wherein the primary inductor is printed on the paper sheet and includes an alloy of high resistance. When it flows, it can heat up.

In addition, the paper sheet adhered to the above-described interface may include a primary inductor and a conductor for connecting the primary inductor to a power source. In this case, the paper sheet may be a wallpaper, the primary inductor may be attached to the back side of the dielectric layer, the primary inductor may include a conductive coil printed on the paper sheet, and the paper sheet may have an adhesive layer for adhering to the interface.

Moreover, the 1st layer which has the adhesive surface for the tape for sticking to the boundary surface demonstrated above; A second layer having a primary inductor electrically connected to the conductors in an electrically insulated state; And a third layer covering the second layer such that the conductor and the primary inductor are positioned between the first layer and the second layer. In this case, the tape preferably has at least one of the following characteristics: primary inductors are arranged in two dimensions in the second layer; Attached to the adhesive side of the first layer so that the release layer can be peeled off; A coating on the outer surface of the third layer, wherein the adhesive surface is detachably attached to the coating when the tape is lifted; The tape includes a fibrous layer or ferromagnetic core for reinforcing magnetic flux guidance between the primary and secondary inductors.

In addition, at the bottom of the workspace, the primary inductor may be embedded in the floor and wired to the power supply via wiring, such as lugs, carpets, floors, linoleum, tiles, non-slip mats, stones or Artificial stone is included.

In addition, the present invention is an inductive power receiver having a secondary inductor for supplying electric load by inductively coupling with a primary inductor: an induction power in which the power jack socket connected to the secondary inductor is conductively coupled with a pind plug It also provides a receiver.

In this case, there is a power store for storing energy received by the secondary inductor, which may be a capacitor, a capacitor or an electrochemical cell. In addition, there may be an adsorber for attaching the casing to the work surface, a secondary inductor may be installed in the waterproof casing, or an inductive power receiver may be installed in the electrical equipment, such as a stand, video recorder, DVD player, three Season, fan, photocopier, computer, printer, kitchen equipment, refrigerator, freezer, washing machine, dryer, weight machine, table lamp, lighting lamp, cordless phone, speaker, speakerphone, conference phone, electronic pen, electric stapler, display device, electric burn Frames, VDUs, projectors, TVs, video players, audio devices, calculators, scanners, fax machines, hot plates, electric heating mugs, cell phones, hair dryers, shavers, heaters, grinders, wax melters, hair curlers, beard trimmers, scales, radios , Egg beater, bread maker, mixer, juicer, juicer, food processor, electric knife, toaster, waffle maker, electric barbecue grill, slow cooker, hot plate, There is a fryer, frying pan, knife grinder, sterilizer, kettle, pot, cassette player, DC player, electric bottle opener, popcorn maker or magnetic stirrer.

In addition, an induction power outlet for supplying induction power to an electric load may be installed in an electrical device, or an induction power receiver may be installed in a furniture. Such furniture includes a chair, a table, a workbench, a cupboard, or a cupboard.

The present invention also provides a method for supplying electric load through an interface of a workspace, comprising: providing an induction power supply platform having a primary inductor coupled to a secondary inductor wired to the electrical load; Attaching the platform to an interface; And connecting the primary inductor to a power source through a driver, wherein the driver also provides a method of providing an oscillation voltage to the primary inductor.

In this method, when attaching the platform to the interface, the wall panel is attached to the frame; Attaching an adhesive power outlet tape to the joints between the wall panels, in which the conductors are insulated from each other and the primary inductor electrically connected to these conductors; An electronic circuit for driving a primary inductor is provided.

The invention also provides an induction power supply for transmitting power from an induction power outlet to an induction power receiver, the induction power outlet having a primary inductor located behind a wide surface; The inductive power receiver has a secondary inductor; There is also provided an induction power supply in which a moving mechanism for moving the primary inductor is located behind the wide surface.

This inductive power supply has at least one of the following features:

a. The moving mechanism has a carriage;

b. The primary inductor is installed on a roller, wheel, ski or flotation magnet;

c. The primary inductor is attached to the guide cable;

d. The moving mechanism is driven by a motor;

e. The moving mechanism is remotely controlled by a user;

f. The primary inductor is attached to the first magnet, the magnet being pulled by the second magnet;

g. The moving mechanism further comprises a clutch for engaging the primary coil on the back side of the wide surface;

h. The moving mechanism further comprises a separator for separating the primary inductor from the back of the wide surface.

The moving mechanism further includes a rail, and the primary inductor may slide on the rail, wherein the rail is slidably supported by the track or the pulley.

In addition, the primary coil is hidden behind the opaque layer; The position of the primary inductor is also indicated by an indicator, where the inductive power supply has at least one of the following features:

a. The indicator is installed in the wide surface;

b. The indicator includes a display showing a map of the surface showing the location of the primary inductor;

c. The indicator further comprises a control panel for adjusting the position of the primary inductor, the position of the primary inductor being displayed on the control panel;

d. The indicator includes a transmitter for transmitting a remotely sensed location beam;

e. The position of the primary inductor is determined by an external sensor;

f. The position of the primary inductor is determined by an external sensor selected from a proximity sensor, a volume sensor, an infrared sensor, an ultrasonic sensor, a magnetic sensor, a hall sensor, an inductive sensor, and a capacitive sensor.

The indicator may also have a radiation emitter having an intensity that penetrates the opaque layer for sensing in front of the opaque layer, wherein the inductive power supply has at least one of the following features:

a. The emitter is installed inside the primary inductor and the radiation is selected to penetrate the opaque layer;

b. The emitter is an LED;

c. The emitter comprises a primary inductor;

d. The radiation is detected by a photodiode;

e. The radiation is electromagnetic waves, sound waves or ultrasonic waves;

f. The radiation is infrared light detected by a digital camera;

g. The position of the primary inductor is encrypted with a position signal, which is transmitted by the radiation.

The present invention also provides a protection device in which the connection of the primary inductor and the power is broken by a circuit breaker so that the induction power supply does not transmit power when there is no electric load. In this case, a. A primary detector for sensing power transmitted by the primary inductor; b. A secondary detector for detecting that a secondary inductor is inductively coupled to the primary inductor; And c. The controller may be connected to both the primary detector and the secondary detector to operate a circuit breaker.

The invention also provides that the primary inductor transmits power to the secondary inductor to prevent the induction power supply from transmitting power when there is no electrical load; A protection device is also provided in which the connection between the primary inductor and the power supply is broken by a circuit breaker. Such protection includes: a. A primary detector for sensing power transmitted by the primary inductor; b. A secondary detector for detecting that a secondary inductor is inductively coupled to the primary inductor; And c. The controller may be connected to both the primary detector and the secondary detector to operate a circuit breaker. Such primary detectors are magnetic sensors, thermal sensors, electromagnetic sensors or hall sensors; The primary inductor emits radiation at the characteristic frequency f, and the primary detector also detects this radiation, in which case it further comprises a modulator that modulates the radiation with a secondary signal indicating that the secondary inductor is inductively coupled to the primary inductor. The secondary detector may include a processor for demodulating the radiation to separate the secondary signal.

There may also be a modulator that modulates radiation with a primary signal identifying the primary inductor.

The present invention also provides a method for preventing power transmission in which an induction power outlet in which a primary inductor connected to a power source is inductively coupled with a secondary inductor connected to an electric load does not transmit power when there is no electric load: a. The primary inductor transmitting power; b. Detecting that the primary inductor transmits power; c. Checking whether the primary inductor is inductively coupled with the secondary inductor; And d. If the secondary inductor is not detected, the method also provides a method for preventing power transmission, including disconnecting a power supply from the primary inductor.

In this method, in step b, a signal is sent from the primary inductor to the controller or the radiation from the primary inductor is detected; in step c, the secondary inductor sends a signal to the controller, encrypts the secondary signal inside the radiation from the primary inductor, or monitors the temperature near the primary inductor to check for temperature rise; In step d, a control signal may be sent to the controller indicating that the primary inductor is transmitting power even when there is no secondary inductor, and then an actuation signal to a circuit breaker connected between the power source and the primary inductor.

1 is a perspective view showing a part of a room to which a plasterboard having a plurality of primary coils and wires according to the present invention is attached;
2 is a partial perspective view of a gypsum board;
3 is a schematic view of the wall pasted with the gypsum board of FIG. 2;
4 is a perspective view of a wallpaper having a primary coil and wiring to be connected to the main wire;
5 is a schematic view of the wall with this wallpaper;
6 is a perspective view of a wall surface where the primary coil is connected to the control box;
7 is a schematic view showing an electric element embedded in a wall;
8 is a perspective view showing a power outlet tape roll;
9 is a schematic view showing the taped wall of FIG. 8;
10 is a schematic view showing various electronic device configurations of a power outlet tape;
11 is a schematic diagram of an underfloor power supply according to another example of the present invention;
12 is a view showing a variety of electrical equipment with a secondary coil that receives power from an induction power outlet;
13 shows another electrical device powered by an induction power outlet;
14 is a view showing a case where a power outlet is installed in the moving mechanism;
15 is a view showing a moving mechanism in the rail installed behind the base plate;
16 is a sectional view showing the clutch mechanism of the movable induction power outlet;
17 is a conceptual diagram showing another power supply of the present invention;
18 is a schematic and block diagram illustrating transmitting a position beam to a mobile phone camera;
19 is a block diagram of an apparatus for preventing power leakage of the present invention;
20 shows the concept of an induction power outlet protected by a power leakage prevention device;
21 is a schematic diagram of a number of inductive power outlets protected by a remote leakage protector;
22 is a flow chart of a method of preventing power transmission when there is no electric load.

1 is a schematic diagram of an induction power supply according to the present invention. Various electrical appliances 4 such as TVs 4a and bulbs 4b are installed on the walls 2a, 2b, the ceiling 2c and the floor 2d of the room, and these electrical appliances are provided with an induction power outlet 6. Receive power through It is a feature of the present invention to install such inductive power outlets at the interface 2 including walls, ceilings or floors.

Energy can be transferred by inductive coupling without wire connections between the power supply and the electrical load. The power source is wired to the primary inductor, and the oscillation voltage is applied through the primary inductor that generates the oscillating magnetic field. The oscillating magnetic field induces oscillating currents in the secondary inductor near the primary inductor. In this way, electrical energy can be transmitted by electromagnetic induction without a wired connection from the primary inductor to the secondary inductor by electromagnetic induction. When electrical energy is transferred, a pair of primary and secondary inductors is said to be inductively coupled. An electrical load wired in series with a secondary inductor can draw energy from the power source when there is an inductive coupling between the inductors.

In the induction power outlet 6, the primary inductor 7 is wired through a controller to a power source such as a transmission line. The controller provides the electronics needed to drive the primary coil. Such electronic circuits include a switch that provides a high frequency oscillation voltage to the primary inductor.

The electric machine 4 receives power through the secondary inductor 5 inductively coupled to the primary inductor 7 of the induction power outlet 6. As will be described in detail later, the secondary inductor 5 may be separately installed in the wired connection to the electric device 4, or the secondary inductor may be installed in the electric device itself.

According to the present invention, the induction power outlet can also be installed in advance in building materials. As shown in FIG. 2, the gypsum board 100 generally has wallpaper (104, 106) mainly made of paper on both sides of the building material layer 102 such as gypsum. Several primary inductors 108a-f and connecting lines 110 and 112 are installed on the gypsum board 100, which may be connected to a power source (not shown) to extend to the edge of the gypsum board.

Although the primary inductors 108a-f may be embedded in the building material layer 102, a relatively thin primary inductor in the form of a coil may simply be attached to the outer wall wallpaper. The primary inductor is made of aluminum or copper wire or metal foil, but the primary inductors 108a-f and the connecting lines 110 and 112 may be printed or painted on the wallpaper 104 using conductive ink.

The electromagnetic coupling between the primary coil 108 and the secondary coil 602 can be improved by the magnetic flux guidance core. A magnetic flux guidance core such as a magnetic body or an amorphous ferromagnetic material is embedded in the wall in association with the primary coil. You can also install other elements such as plates.

In FIG. 3, the gypsum board 100 is installed on the wall 200, and the gypsum board panels 202 are installed on the frame 204. The gypsum board 100 used in the bathroom is preferably waterproof. For reference, the gypsum board is a concept that includes various gypsum board, as well as the general gypsum board.

4, the scroll wallpaper 300 is shown. The wallpaper 300 includes a flexible sheet 302 of paper or fabric, which is printed or patterned on the outer surface 302 of the sheet. A plurality of primary coils 308 are disposed on the back of the sheet 302. The primary coil may be made of metal foil, adhered to the sheet 302, or may be made of a conductive ink printed on the surface of the sheet by a method such as silk printing.

The wallpaper 300 of FIG. 5 is attached to the surface of the wall 400. The primary coil 308 is inductively coupled with the secondary coil 602 (see FIG. 6). This secondary coil 602 is installed in the adapter 420 used as a power outlet attached to the surface 402 of the wall 400, the secondary coil is an electric device such as a light 460 or a TV 480 Or wired to electrical equipment placed in the furniture on the table.

The adapter 420 may be secured to the wall 400 by adhesive or screws or bolts, or may be secured by itself and by magnets on the wall, but it is preferred that the adapter 420 be easily replaced without additional wiring. The adapter may be installed directly in a device such as a TV 480 or a music system. Devices such as the TV 480 may be wider than one primary coil 308, so that they may be connected to a power source in more than one location, which requires power being supplied from a single primary coil 308. It would be useful if greater than power.

The material of the sheet 302 of FIG. 4 is advantageous to have a pattern or texture that hides electrical elements such as the primary coil 308 or the conductive strips 310 and 312.

On the other hand, the back side 306 of the wallpaper 300 may have an adhesive surface 306 to adhere to the wall 400. Self-adhesion or various existing adhesion techniques can be applied. Accordingly, the release layer 307 such as low density polyethylene may be attached to the adhesive surface 306, and then the release layer may be peeled off to attach the adhesive surface 306 of the wallpaper 300 to the wall surface. On the other hand, the peeling coating may be applied to the front surface 301, and the contact surface 306 may be easily exposed. Of course, other ways can be exploited.

Referring to FIG. 6, the control box 500 is connected to the circuit breaker 540 to embed or attach an electronic circuit necessary for driving the primary coil 508 to the wall 510. The driving circuit includes a switch for generating a high frequency oscillation voltage and a selector for selecting a power outlet. The control box 500 may be connected to the primary coil 508 by a connector 520 such as a PCB connector. Meanwhile, the wall 510 and the control box 500 may be connected using a tape 560 having no primary coil at all.

The secondary coil 602 may be installed in the adapter 600 and connected to a power jack 604 that can be plugged in. On the other hand, the secondary coil 602 is also directly connected to an electrical load, such as the lamp 460. When the secondary coil 602 in the adapter 600 is aligned with the primary coil 508 in the wall 510, power is induced and transferred between both coils to supply the load.

In the configuration of FIG. 7, the entire primary coil 708 in the pillar is connected to a common conductive strip 710. One primary coil 708 is connected to each wire of the wire bundle constituting the control strip 712. Wherever the wall is cut, the conductive strip 710 and the control strip 712 are connected to the control box 500 (see FIG. 5). The control strip 712 is thus a means of selectively operating the primary coils respectively. Each primary coil is controlled by the configuration of the electric elements described above. However, as will be appreciated by those skilled in the art, other configurations may be employed.

Gypsum tape is applied to the joints of the gypsum board before the gypsum boards are attached to the wall, which reduces the risk of cracks in the joints.

Self-adhesive gypsum tape was introduced in US Pat. No. 5,486,394. The tape is used to quickly cover the seams between the walls and is sold in rolls. The tape is a flexible material that covers the fabric layer to surround the first layer with a pressure-sensitive adhesive on the inner side of the flexible paper, a second layer of reinforcing fabric covered thereon, and the fibers between the first and second layers. Consists of a third layer. The outer surface of the third layer has a peel coating, so that the first layer is detachably bonded to the third layer so that the curled tape can be easily removed by hand. Wrinkles are tangled along the tape centerline so that the tape can be easily attached to the wall edge. The self-peelability of the tape makes it easy to stick the tape without removing the back side. Adhesive force is maintained even if the tape is moistened with a mud layer covering the wall surface. In addition, due to the peeling coating of the third layer, a compound, a gypsum or the like can be attached to the mud wall.

8A shows a scroll of a power outlet tape 800 with an induction power outlet 842 according to the present invention. This tape 800 consists of three layers. The first layer 820 has a pressure-sensitive adhesive surface 822, which adheres to the wall surface. The second layer 840 has electrical elements including a primary coil 842 and conductive strips 844 and 846 serving as a power outlet. The third layer 860 covers the second layer 840 to protect the electrical devices. The primary coil 842 of the second layer 840 is inductively coupled with the secondary coil of the power adapter used as a wall outlet.

The outer surface 862 of the third layer 860 is coated with a release agent such as low density polyethylene, and when the adhesive surface 822 of the first layer is pulled, it is easily peeled off by hand from the outer surface 862 of the third layer 860. To lose. A peeling cover (not shown) covered with a releasing agent may be attached to the adhesive surface 822 to prevent dust from adhering to the adhesive surface and to prevent the tape 800 from sticking to the object in advance.

The other power outlet tape 800 'of FIG. 8B has a primary coil 842' in a two dimensional array 840 '. Each of the three rows of primary coils has a pair of conductive strips 844'a-c and 846'a-c. Such a roll tape 800 'is useful for covering a large area such as a table or work table.

The tape 800 of FIG. 9A is attached to the wall 900. The gypsum board 920 is installed in the frame 940 and the tape 800 is attached to the seam to remove the seam 960 between the gypsum boards. The joint 960 between the gypsum boards 920 is covered with a tape to create a smooth surface on which the gypsum 980 can be applied. Gypsum 980 containing ferromagnetic material provides additional magnetic flux guidance for inductive coupling. Of course, you can use paper, cloth, or other tape made of hemp.

The control box 500 may be connected to both ends of the tape by using a connector 520 such as a PCB connector. There may be only a conductive strip connecting the tape 800 and the control box 500 without any primary coil on the tape.

The control box 500 connected to the wire 540 provides a circuit for driving the primary coil 842, specifically, a switch for supplying a high frequency oscillation voltage, or a selector for selecting a power outlet to be driven.

Induction power adapter is used to supply power to the device installed on the wall as shown in Figure 9b ~ c. Two power outlet tapes 810a, b are hidden in the gypsum wall 950 of FIG. 9B, with five power supply points per tape, and primary coils 842a-j at each point. Each tape 810a, b is connected to the control box 500a, b connected to the wire 540. Although wall devices vary, for example, there is a single power jack adapter 420, a double power jack adapter 440, a light adapter 460, a wall-mounted TV 480 and the like. These adapters 420, 440, 460 are generally fixed to the wall with adhesive or screws, but it is important that they can also be fixed with magnets and easily move between power supply points without additional wiring.

The adapter can also be built into the appliance. As shown in FIG. 9B, when the TV 480 spans two primary coils 842g and h, power greater than that supplied from one primary coil 842 may be supplied.

The inductive power adapter 600 of FIG. 9C is coupled to the power supply point 842 along a power outlet tape 810 connected to the control box 500. The secondary coil 602 of the adapter 600 is wired to the power jack 604, the power jack is coupled to the existing power plug. On the other hand, the secondary coil 602 may be directly wired to the electrical load. When the secondary coil 602 is aligned with the primary coil 842 of the tape 800, transfer of power occurs between both coils.

In FIG. 10A, an electrical element 840 is arranged such that a common conductive strip 844 is connected to all primary coils 842 along the tape. Each conductive line constituting the control strip 846 is connected to one primary coil 842.

Tear off the power outlet tape in rolls by hand or cut with scissors or a knife. After cutting out the tape, the common conductive strip 844 and the control strip 846 are connected to the control box 500. Control strip 846 may also be used to selectively actuate primary coil 842.

In the electrical element 640 of the tape of FIG. 10B, each primary coil 642 is connected to its own dedicated conductive strips 644, 646. The conductive strips of each of the primary coils 642 extend along the tape so that the tape can be cut to a sufficient length. For example, when the tape is cut along the A line, a contact point for the conductive strips 644b-d and 646b-d is generated, and each of the three primary coils 642b-d can be controlled. When the tape is cut on the C line, a contact is made in the conductive strips 644d-f and 646d-f, and each of the next three primary coils 642d-f is controlled. Although only three primary coils in the tape can be controlled individually, the length of the conductive strips 644 and 646 can be controlled individually. That is, the length of the tape changes the extension length of the conductor, which changes the number of controllable primary coils.

The heater described in US Pat. No. 6,444,962 to Reichelt consists of a heater of a flat shape, with two conductors arranged in parallel, between which a coating material that causes electromagnetic waves is disposed, and the coating material is a binder, insulation, Consisting of dispersant, water and graphite. The electrical elements of the harmonic generator with the controller attached to this heater cause rapid current rise and harmonics. The harmonic generator is coupled to the conductors of the heater and emits vibration spectra in the natural molecular frequency range. Thus, a low cost and high efficiency heater in the form of a flat plate is provided, similar to a wallpaper. This flat wall heater can be installed in an existing wallpaper.

Returning to Figure 1, there is an inductive coil or a ferromagnetic shield with a high internal resistance, in addition to inducing a current, the surprising advantage that the current vibrates to further produce a heating effect. This heating effect is used for a heater that heats the room 1, and by placing a high resistance induction coil under the floor 2d or the window, the convection effect of the room can be further enhanced.

In areas such as offices, factories, exhibition halls, and warehouses, it is often necessary to power electrical equipment away from the wall. You can get power from sockets on the floor or ceiling to avoid bothersome wires, but both have problems. Conventional flooring plugs and cables have been caught in the foot, damaging the connections or hurting people around them, and in many cases it is necessary to keep the socket and wire area clean. Ceiling equipment is poorly seen due to cable runs down from the ceiling and is useless in high ceilings or outdoors without ceilings such as large halls or theaters.

11 shows a solution of the above problem, where an induction power outlet 1200 installed on the floor is directly connected to a power source (not shown) through a lower wiring 1220 or to a power source through a controller. The primary coil 1200 is inductively coupled to the upper secondary coil 1300, and the secondary coil itself is wired to the electrical loads 1320 and 1325. In this way, open bottom sockets can be avoided. The device 1100 can be used for all floors with rugs, carpets, floors, linoleum, tiles, and the like.

The floor installation device 1320 having the secondary coil 1300 at the bottom, such as the stand 1320a or the copier 1320b, is located directly on the bottom primary coil 1200. Furniture 1325 having a secondary coil 1300, such as a desk 1325a or a chair 1325b, is positioned above the primary coil 1200, such as a reading light 1340a or a laptop computer 1340b disposed thereon. It serves as a platform for supplying power to an electric device 1340 such as a coffee mug 1340c that heats water.

The electric device 1340 is wired to the furniture 1325 by inserting a plug into the socket, or a self-contained secondary coil 1500 is inductively coupled to the primary coil 1400 of the upper surface 1326 of the furniture.

Other electrical devices with secondary coils 1200 that align with primary coils 1200 of system 1100 include stands, TVs, audio devices, video devices, DVDs, dishwashers, dryers, ovens, cookers, It also includes refrigerators and freezers. At the workbench, the system 1100 can power devices such as cutters, fans, copiers, computers, printers.

The primary coil 1400 may be installed in the furniture 1325, and the secondary coil 1500 and the primary coil connected to the work bench may be inductively coupled. Furnitures equipped with such primary coils include chairs, dining tables, work tables, partitions, and cupboards.

Equipment with a built-in secondary coil 1500 aligned with the primary coil 1400 installed on the upper surface 1326 includes a desk lamp, lighting equipment, a fan, a cordless telephone, a speaker, a speakerphone, a conference phone, an electronic pen, and an electronic device. Staplers, display devices, VDUs, projectors, TVs, video, audio devices, computers, calculators, scanners, printers, fax machines, copiers, shredders, hot plates, electric heating mugs, and mobile phones.

There are also many electric appliances for personal hygiene used in bathrooms, for example, razors, toothbrushes, hair dryers, hair colors, etc. Other electric appliances used in bathrooms include heaters and lights. However, water and electricity must never be separated. Electric shock in the bathroom is very dangerous, and the light switch is mostly located outside the bathroom. This problem can be solved by using disposable or rechargeable batteries. However, disposable batteries are expensive and destroy the environment.

Bathroom walls are usually covered with ceramic tiles and washbasins and their surroundings are made of natural or artificial marble, stainless steel, ceramics, and acrylics, making them easy to clean. For safety, electrical sockets in bathrooms are usually covered by a waterproof cover. The power outlet socket has a hole for plugging in, making it easier to clean than the working surface, and the switch should be kept dry at all times to prevent short circuits, wear or electric shock.

By supplying power to electrical equipment by inductive coupling, the risk of electric shock in the bathroom can be minimized so that the electrical equipment can be used in the bathroom.

An electric device 2010 such as the audio device of FIG. 12A is not a method of plugging into a socket of an outlet, but includes a secondary coil 2012 on the bottom 2014. The electric device 2010 is disposed on the surface 2016 around the washbasin and is supplied with electric power. The primary coil 2018 is installed on the surface, and the secondary coil 2012 is aligned with the primary coil 2018. . The primary coil 2018 is wired to the power supply 2019 through the driver 2017, and the driver provides an electronic circuit necessary to drive the primary coil. The electronic circuit has a switch for supplying a high frequency oscillation voltage.

In addition to audio equipment, other electrical appliances such as hair dryers, shavers, heaters, hair colors, beard trimmers, TVs, radios, and weights can be used. You can hide the primary coil behind a surface layer in the bathroom, such as a washbasin or wall tile (2015. The primary coil can be hidden inside the bathroom door or on the wall.) Similarly, the primary behind the floor of rugs, carpets, linoleum, tiles, etc. You can operate electrical devices without hiding the coils and connecting them, even if the primary coil is embedded in a washbasin or bathtub made of ceramic or acrylic.

The secondary coil 2212 of the electric machine 2210 of FIG. 12B is connected via an electric wire 2211, and the secondary coil 2212 is attached to the surface 2026 using a vacuum absorber 2213, and 1 below it. The car coil 2218 is located. The primary coil 2218 is connected to the power supply 2219 through a driver 2217. The bathroom surface should be smooth for easy cleaning. This feature allows the adsorber 2213 to be used to temporarily attach lightweight objects to the bathroom surface 2216. An adsorber 2213 is disposed near the secondary coil 2212 to attach the secondary coil 2212 on the primary coil 2218.

In FIG. 12C, the water stream of the shower accidentally faces the light bulb 2310, and if the light bulb is lit, an electric shock may occur at this time, so the light bulb in the bathroom should be completely sealed. In the present invention, the light bulb 2310 is completely insulated from the power supply 2302 by the dielectric 2304, and has a secondary coil 2312. The primary coil 2318 is installed in the waterproof gypsum board 2320. In this way, safety measures are provided in the bathroom.

The primary coil 2418 is installed in the drawer 2400 of the bathroom cabinet 2405 illustrated in FIG. 12D. It is even possible to cover the drawer bottom 2404 with a large rectangular primary coil 2418 and connect the primary coil to a power source. Charging can be accomplished by simply installing secondary coils in rechargeable electric devices such as electric toothbrushes 2424, hair dryers 2426, shavers 2428 and placing them in the drawer 2400.

In FIG. 12E, the primary coil 2518 is installed on the dedicated stand 2500, and the electric device may be charged using the primary coil 2518. For example, the electric toothbrush 2524 incorporating the secondary coil 2512 can be charged using the stand as a toothbrush holder.

In FIG. 12F, the secondary coil 2612 is installed on the bathroom scale 2600 and placed on the primary coil 2618 embedded in the floor 2620.

As such, according to the present invention, it is possible to eliminate the existing power outlet socket, which makes it difficult to clean the bathroom and causes an electric shock.

Appliances such as refrigerators, freezers, stoves, and dishwashers are large, power-hungry devices that require plugs into sockets, are difficult to move, and are difficult to clean. Such devices are usually powered by a challenge.

Egg beater, bread maker, mixer, juicer, juicer, food processor, electric knife, toaster, sterilizer, popcorn maker, magnetic stirrer, waffle maker, electric barbecue grill, slow cooker, hot plate, fryer, frying pan, knife grinder, electric can opener etc. Kitchen appliances are stored in cupboards when not in use. Such equipment should be available for all work surfaces, including sinks, countertops and dining tables. In traditional kitchens, two-hole sockets were installed on these work surfaces, and plugs were used to use kitchen equipment.

Kitchens that cook food should be kept clean. Tiles on the walls and the countertops are usually easy to clean with polished stone, stainless steel or pomica. Existing power sockets are more difficult to clean than these working surfaces, and the switch must be kept dry at all times to prevent shorts, wear, or electric shock.

Kettles that need to be filled regularly should be disconnected from the power source for safety, and in properly designed kitchens, the socket is not near the sink and the wires on the kettle are usually short. It is dangerous if the plugged wire touches the sink, so to avoid this, the wires of the kettle are usually disconnected at the connection point. However, if these contacts get wet, there is a risk of a short circuit and blown fuses, causing inconvenience and even an electric shock.

In some cases, this problem can be solved by using disposable or rechargeable batteries, but disposable batteries are expensive and harmful to the environment. There is also a risk that such batteries will be completely consumed during operation, especially when used in electric kettles or fries that require high power.

The electric device 3120 of FIG. 13A is a toaster, and a secondary coil 3124 is provided on the bottom 3122 of the device without plugging into a socket as in the related art. When the electric device 3120 is placed on the work surface 3140 on which the primary coil 3144 is installed, the secondary coil 3124 and the primary coil 3144 are aligned. Although the toaster is taken as an example here, any of the above-mentioned devices, such as an egg beater, a bread maker, etc., can be used.

The primary coil 3144 is wired to the power supply 3160 through the driver 3180, and the driver provides an electronic circuit necessary to drive the primary coil. The electronic circuit has a switch for supplying a high frequency oscillation voltage.

The primary coil 3144 may be hidden under the surface layer 3142 of the kitchen counter. The surface layer is made of plastic, vinyl, pomica, veneer sheet, or the like. Similarly, it is possible to hide the primary coil under rugs, carpets, linoleum, floor tiles, and the like and to place appliances on the floor.

Primary coils can also be installed in resins, which are polymer matrix composites as building surfaces such as artificial marble, Corian® or Caesar®. Caesar stones can be made from sinks or sinks. Unlike natural stones, where a primary coil must be drilled in the back to install underneath the surface, a composite such as a Caesar stone can be cast around a metal object, such as an induction coil or connecting wire.

The electric machine 3120 of FIG. 13B is a toaster in which the secondary coil 3124 is connected to the wire 3126, and the secondary coil 3124 works on the primary coil 3144 using the vacuum adsorber 3128. It is attached to face 3140. As in FIG. 13A, the primary coil 3144 is installed in a work surface 3140 such as a kitchen counter. Primary coils may be installed on the walls or closets of buildings.

The surface of the kitchen should be smooth to make cleaning easier. In this case, the light can be temporarily attached to the kitchen surface using an adsorber. There may be several adsorbers 3129 used to attach the secondary coils onto the primary coils.

In the devices of FIGS. 13A to 13B, as in the related art, it is of course possible to connect to a power source using a socket and a plug.

The extension cord 3123 of FIG. 13C may be wound into the base 3122 of the device 3120c. Capacitors 3125 that may also be applied to devices 3120a and b of FIGS. 13A-B may be used to charge devices when inductive coupling or conductive power supply is not available. In this case, the device of the present invention can be made portable and used in any work surface.

Lead-acid batteries commonly used in automobiles generate high currents, and rechargeable batteries are intended to provide long-term power to electronic devices such as mobile phones and laptop computers. The present invention relates to a device including a capacitor or an electrochemical capacitor for supplying electric power for operating an electric motor for several tens of seconds to two to three hours, and can be used for a food processor, a toaster, an electric kettle, and the like.

The storage 3000 of FIG. 13D is a drawer or a cupboard provided with a primary coil 3121 on the bottom, and is used to store and take out a device with the capacitor 3125 of FIG. 13C. Here, the capacitor 3125 can be fully charged when needed.

In the apparatus described above, the power outlet is usually fixed in a fixed place, but may be movable in some cases. The mobile power outlet 4100 according to the present invention shown in FIG. 14A is for powering a device such as the computer 4422. The primary coil 4120 near the back surface 4142 of the surface layer 4140 is inductively coupled with the secondary coil 4180 secured to the moving mechanism 4160 and wired connected to the computer 4418. The moving mechanism 4160 is for moving the primary coil 4120 behind the surface layer 4140.

The primary coil 4120 is wired to the power supply through a controller (not shown) that provides a switch for supplying an electronic circuit required to drive the primary coil, such as a high frequency oscillation voltage. The outlet 4100 may be installed on a wall or closet. In this case, the primary coil 4120 will move behind the surface layer 4140 of the wallpaper or wallboard. The receptacle 4100 may be installed behind a surface layer of a horizontal platform such as a desk, countertop, conference table or workbench. In addition, the primary coil 4120 may be moved under the floor surface such as a rug, a carpet, linoleum, or a floor tile.

According to FIG. 14B, the primary coil 4120 disposed between the surface layer 4120 and the bottom layer 4422 is fixed to a carriage 4141 with a roller 4403 to move over the bottom layer 4422. A magnet 4166, such as iron, steel, or permanent magnet, is attached to the carriage 4141 and is pulled by the magnet 4168 disposed on the top surface 4144 of the surface layer 4140. When the magnet 4168 moves, the magnet 4166 is pulled, and the primary coil 4120 also moves, so that the primary coil can be disposed where necessary.

Instead of the rollers 4403, wheels, skis or flotation magnets may be used. Applying a low friction material, such as Teflon, to the surface helps the moving mechanism 4160 to move.

In another moving mechanism 5160 of FIG. 15A, the primary coil 5120 is slidably installed on the rail 5516. The rail 5516 is positioned horizontally behind the base 5514 of the wall 5140, and the primary coil 5120 moves along the rail 5516. As described above, the primary coil may be manually pulled using a magnet, or may be attached to an electric wheel 5164 to move itself on the rail 5516.

The rails 5516 may be curved, or may be disposed serpentically back and forth across the surface of the wall 5140 as shown in FIG. 15B. The plurality of primary coils 5120b may be arranged to move independently of each other or to move together.

In FIG. 15C, a moving mechanism 5160c provided with a primary coil 5120 slides on the rail 5602, which is disposed vertically across the pair of support tracks 5164 to move on the support track. . Rails and support orbits form H-frame 5165. Thus, the primary coil 5120 can move behind the surface layer 5140.

When the moving mechanism 5160 is positioned vertically behind the vertical surface layer 5140 such as a wall, the support trajectory 5164 may be replaced with a pulley. This pulley lifts the rail manually or automatically while supporting the rail 5603. Meanwhile, the primary coil 5120 may be attached to a pulley installed in a crawler moving horizontally along a gantry beam fixed across the width of the wall.

Also, as shown in FIG. 15D, there is also a transport mechanism 5160 in which the primary coils 5120 are fixed to four guide cables 5152a-d. The length of the guide cable is independently controlled by the pulleys 5164a-d, and the pulleys are located at the four corners of the rectangle 5166. The primary coil 5120 may be located anywhere in the square 5166 by the pulley 5164. Three or more pulleys may be used to manipulate the primary coil 5120, or two primary coils may be used to move the primary coil in a straight line.

In another embodiment of FIG. 16A, the primary coil 6120 is inductively coupled with a secondary coil 6180 located near the back surface 6162 of the surface layer 6140 and above the front surface 6162 of the surface layer. The secondary coil 6180 is wired to an electric device such as the electric lamp 6184.

In order to maximize the inductive coupling between the primary coil 6120 and the secondary coil 6180, the spacing should be minimized. Accordingly, the primary coil 6120 may be tightly compressed to the rear surface 6142 of the surface layer 6140. For this purpose, the primary coil 6120 may be pushed onto the rear surface 6162 by the compression spring 6222. On the other hand, digging a groove (6146) on the back (6142), it is possible to further reduce the interval between the primary coil and the secondary coil by installing a primary coil there. When the magnetic flux guide core 6224 made of a ferromagnetic material is also installed in the primary coil 6120 and the secondary coil 6180 inside the surface layer 6140, inductive coupling can be improved.

However, when the primary coil 6120 is pressed on the rear surface 6162, friction may increase, which may hinder the movement of the primary coil. For this reason, the separator 6130 which isolate | separates the primary coil 6120 from the back surface 6162 can be used. In the present invention, the primary coil 6120 is attached to one end of the lever 6132 pivoted about the point P fixed to the pallet 6262, and the rear end of the surface layer 6140 is attached to the other end of the lever. Attach the permanent magnet 6134 near (6142).

In separator 6130 of FIG. 16B, a second magnet 6136 on the front surface 6144 of surface layer 6140 is disposed near first magnet 6134. When the first magnet 6132 is pulled toward the rear face 6162 by the second magnet 6136, the lever 6132 moves and pushes the spring 6222 and the primary coil 6120 falls off the rear face 6162. The carriage 6926 can freely move the primary coil 6120 to a new position. These magnets 6134 and 6136 also provide a moving mechanism 6160 as shown in FIG. 14B.

For automation, an electromagnet can be installed in the carriage 6926 behind the surface layer 6140 in the separator 6130. This electromagnet separates the primary coil 6120 from the back surface 6162 and is used to function as the magnets 6342 and 6136 described above.

The induction power outlet described above does not need a hole for plug pins, so it is more effective and does not interfere with a conventional outlet. An outlet without a socket is advantageous in that it does not become an obstacle, but it is a disadvantage that it is difficult to find compared to the existing one, and a problem to be solved newly. The user should find out where the hidden outlets are before using them.

The problem of finding such an outlet is especially problematic when it is hidden inside a desk or wall or when installed in a moving device. You can solve this problem by installing power outlets on tracks or arms and marking them on a surface that covers them.

FIG. 17A shows a power outlet 7100 that can be located in accordance with the present invention, where a display 7110 is installed on a surface 7140, such as a wall or work surface, on the surface 7140. The position of the hidden primary coil 7120 is shown.

The primary coil 7120 is wired to a power source through a controller (not shown) that provides a switch for supplying an electronic circuit, such as a high frequency oscillation voltage, required to drive the primary coil. This primary coil 7120 may be hidden in a wall or closet, covered by the surface of the wallpaper 7140, behind a horizontal surface such as a desk, countertop or workbench, or under a rug, carpet, linoleum or floor tile. .

As shown in FIG. 17B, when the position of the primary coil 7120 is known, the secondary coil 7180 may be aligned with the primary coil. The primary coil 7120 arranged as described above may be inductively coupled to the secondary coil to supply power to an electric device wired to the secondary coil, such as a computer 7182.

In one example, the location of the hidden primary coil 7120 is known to the user by the display 7110 installed on the surface 7140. A map 7112 of surface 7140 showing the location 7114 of the primary coil 7120 appears on the display 7110.

In Fig. 17C, the primary coil 7121 of the outlet 7101 of the present invention is installed in the H-frame 7161, and is hidden behind the wall. The primary coil 7121 can be remotely controlled by the control panel 7111, and the position of the marker 7125 on the map 7123 shown in the control panel is the position of the primary coil 7121.

The control panel 7111 may be a touch screen, in which case the marker 7125 will move as a cursor. The marker 7125 may adjust the position while indicating the position of the primary coil 7121. Meanwhile, the control panel 7111 may be a movable mechanical switch. In this case, the position of the switch indicates the position of the primary coil 7121. Although the H-frame 7161 has been described as an example, other moving mechanisms may be used.

The hidden primary coil 8120 of the other power outlet 8100 of FIG. 18A has an LED 8110 as a transmitter, emitting a position beam L from the LED indicating the position of the primary coil. Since surface 8140 transmits the wavelength coming from the LED, the position beam L is detected by the photodiode responding to this wavelength. Infrared rays from the LEDs behind the 0.8mm thick pomica sheet can be detected by digital cameras installed in many modern mobile phones 8200.

Thin film 8140, made of many materials such as plastic, cardboard, pomica, paper, transmits infrared light. Light in the infrared region of the electromagnetic spectrum coming from the LED 8210 is invisible to the human eye, but is easily detected by a digital camera, and when such an infrared LED is installed in the primary coil 8120, the primary coil is used as a mobile phone with a camera. It is easy to find the location of (8120). However, if the thickness of the thin film 8140 and the material that transmits the wavelength of the LED is selected, it may be possible to detect light even with the naked eye.

There are many solutions to this problem because you can choose a detector that can detect ultraviolet, microwave and radio waves as well as X-rays and shorter-wavelength electromagnetic waves. It is also possible to find a primary coil using a transmitter that sends other types of signals, including other types of radiation or mechanical vibrations, such as ultrasonic ranges outside the audio range.

18B is a block diagram of another power outlet 8101. The primary coil 8121 transmits a position beam L carrying an encrypted position signal S identifying its position. The mobile primary coil 8121 is connected to the power supply 8112 via a switch 8214 and a microcontroller 8216. The switch 8214 intermittently connects the power supply 8112 to the primary coil 8121 at a bit rate frequency f. The positioning monitor 8218 monitors the position of the primary coil 8121 and sends a position signal S to the microcontroller 8216. The microcontroller 8216 modulates the position signal S. FIG. The voltage applied to the primary coil 8121 is a modulated variable voltage of frequency f with the position signal S, and this voltage emits a radio wave of frequency f, which can be transmitted to the position beam L. Meanwhile, the position beam L may be transmitted by a dedicated transmitter separate from the primary coil 8121.

A receiver 8201 with a receiver 821 can be used. The receiver 821 receives the position beam L of the frequency f, and the received position beam L separates the position signal S in correlation with the reference signal of the frequency f. The position of the primary coil 8121 is thus transmitted to the remote receiving apparatus 8201 to output the position of the primary coil to the display.

Although the digital bit rate modulated position beam L has been described above, such position beam L may be modulated in other manners such as analog / digital frequency modulation or amplitude modulation.

The positioning monitor 8218 may directly monitor the movement of the primary coil by tracking the movement of the primary coil 8121 at some reference point. Other external sensors such as an infrared proximity sensor, an ultrasonic sensor, a magnetic sensor (eg, a hall sensor), an induction sensor, and a capacitive sensor may be used to indirectly monitor the movement of the primary coil 8121 by triangulation.

When a high-power induction outlet is activated, it generates a large magnetic field. Power is supplied to the secondary inductor by magnetic flux coupling where the secondary inductor is inductively coupled to the primary inductor. Without a secondary inductor to receive power, high-energy electromagnetic waves are transmitted by oscillating magnetic fields, which are harmful to people around them. In low power devices, excess heat is easily dissipated, but uncoupled high power primary coils and their surroundings become dangerous at high temperatures.

19 is a block diagram of a power leakage prevention system 900 of an induction power outlet 9200 switched on / off, where only the secondary coil 9260 can receive energy from the primary coil 9220. The coil produces an alternating magnetic field.

The primary coil 9220 of the induction power outlet 9200 is wired to the power source 9240 and inductively coupled to the secondary coil 9260 wired to the electric load 9164. An important feature of this embodiment of the present invention is that a circuit breaker 9280 is connected in series between the power supply and the primary coil 9220 to disconnect the power supply from the primary coil when it is activated.

The primary coil 9220 is wired to the power supply 9240 through the driver 9230, and the driver provides a circuit such as a switch that provides a high frequency oscillation voltage. If the primary coil 9220 of the outlet 9200 is multiple, the driver 9230 may be provided with a selector to select which primary coil to operate.

When the circuit breaker 9280 is disposed between the driver 9230 and the primary coil 9220, the circuit breaker disconnects only the primary coil 9220. On the other hand, when the circuit breaker is connected between the power source 9240 and the driver 9230, the driver 9230 itself can be disconnected together with the primary coil 9220.

The circuit breaker 9280 is controlled by the controller 9400. The controller has a primary signal P indicating that the primary coil 9220 is transmitting power, and the secondary coil 9260 is the primary coil 9220. ) Receives a secondary signal (S) that is inductively coupled to When the controller 9400 receives only the primary signal P and does not receive the secondary signal S, the circuit breaker 9280 is operated to disconnect the primary coil 9220 from the power supply 9240.

20 is a schematic diagram showing protection of an induction power outlet 9201 with a local leakage prevention system 9001. Primary coil 9221 of FIG. 20A is hidden behind a surface layer of horizontal platform 9641 such as a desk, countertop, conference table, workbench. These platforms can be made from various materials such as mica, pomica and veneers. On the other hand, as described above, the primary coil 9121 may be hidden under the floor, behind the wall or closet.

Primary coil 9221 is used to power electrical equipment, such as computer 9422, connected to secondary coil 9221; Computer 9422 is above platform 9641, and secondary coil 9231 coupled to computer 9422 is aligned with primary coil 9121 hidden within the platform.

In the present invention, the primary detector (9421) is located near the primary coil (9221) while detecting the magnetic field generated by the primary coil (9221). The detector 9421 may be a magnetic sensor, a thermal sensor, or an electromagnetic sensor.

A secondary detector 9401 may be installed to detect the presence or operation of the secondary coil 9201. The secondary detector 9401 may detect a signal of the secondary coil 9221 or a signal of the primary coil, or may detect a signal indicating directly or indirectly the presence of the secondary coil inductively coupled with the primary coil. The secondary detector may be a thermal sensor that senses a temperature rise of the platform around the primary coil 9221, or may be a magnetic sensor, a hall sensor, or an electromagnetic sensor.

In the configuration of FIG. 20A, when the secondary coil 9231 is inductively coupled to the primary coil 9221, the 2kczh coil 9201 receives power from the primary coil 9221, and the electric device 9402 is operated. As a result, the primary detector 9421 detects the magnetic field generated by the primary coil and sends a primary signal P indicating that power is being transmitted to the controller 9401. Since power is being transmitted to the electrical equipment, the secondary detector 9401 which senses temperature does not detect any temperature rise, and the controller 9401 generates a secondary signal S indicating that the electrical load is inductively coupled to the primary coil. ) Or the same display depending on the logic program of the controller 9401.

When the controller 9401 receives the primary signal P indicating that there is power in the primary coil 9221 and the secondary signal S indicating the presence of an electric load, the circuit breaker 9921 is not operated. The primary coil 9221 continues to draw power from the power supply 9191.

If secondary coil 9201 is not inductively coupled to primary coil 9121 (see FIG. 20B), power transmitted from primary coil 9221 is dissipated as heat in platform 9641. In this case, the primary detector 9421 senses the magnetic field generated by the primary coil 9221, and sends a primary signal P indicating that power is being transmitted by the primary coil to the controller 9401. However, the secondary detector 9401 detects a temperature rise due to heat generated in the platform, and sends a secondary signal S indicating that the electric load is not inductively coupled to the primary coil. The controller 9401 receives the primary signal P indicating that electric power is being generated and the secondary signal S indicating no electric load, and operates the circuit breaker 9901, and thus, the primary coil and the power supply. The connection is broken and power transmission from the primary coil is cut off.

In FIG. 21, a plurality of inductive power outlets 9203 are protected by a remote leakage prevention system 9003. The primary coil 9223 is installed in the wall 9643 and connected to a power source through the driver 9333, and is arranged to inductively couple the secondary coil 9203 wired to an electric device such as a lamp in the vicinity.

When the primary coil 9223 is activated, the driver 9333 supplies a variable voltage oscillating at a characteristic frequency f, and the primary coil transmits a radio wave of f. The remote leakage prevention system 9003 has a primary detector, such as a radio receiver 9423, in the wall 9643, which senses a radio wave of a characteristic frequency f, which is at least one primary coil ( 9223 transmits power.

The secondary detector 9443 detects the secondary coil 9203 inductively coupled to the primary coil 9223. Power transmission is modulated by a secondary signal indicating that the secondary coil is inductively coupled to the primary coil.

The primary detector 9423 demodulates a radio wave to confirm the secondary signal. If the secondary signal is not detected, the primary detector 9423 transmits a control signal C to the controller 9500 indicating that the primary coil is transmitting power in the absence of the secondary coil. In this case, the controller operates the circuit breaker to disconnect all primary coils 9223.

On the other hand, the driver 9333 may be provided with a modulator (not shown) which causes power transmission of each movable primary coil as a primary signal identifying the primary coils 9223a-h for transmitting radio waves. At this time, the primary detector 9423 detects the primary signal and checks the primary coil transmitting power in the absence of the secondary coil. The primary detector 9423 sends it to the controller 9500 to disconnect only the primary coil.

A method in which the induction power outlet of the present invention does not transmit power without an electric load will be described with reference to FIG. 22. The steps of this method are as follows:

a) primary coil power transfer;

b) power transmission detection of the primary coil;

c) secondary coil irradiation in which the secondary coil is inductively coupled to the primary coil; And

d) Disconnection of primary coil and power when secondary coil is not detected.

Claims (21)

In an induction power supply for transmitting power from an induction power outlet to an induction power receiver:
The induction power outlet has a primary inductor located behind a large surface;
The inductive power receiver has a secondary inductor;
Induction power supply, characterized in that the movement mechanism for moving the primary inductor is located behind the wide surface. The inductive power supply according to claim 1, having at least one of the following characteristics.
a. The moving mechanism has a carriage;
b. The primary inductor is installed on a roller, wheel, ski or flotation magnet;
c. The primary inductor is attached to the guide cable;
d. The moving mechanism is driven by a motor;
e. The moving mechanism is remotely controlled by a user;
f. The primary inductor is attached to the first magnet, the magnet being pulled by the second magnet;
g. The moving mechanism further comprises a clutch for engaging the primary coil on the back side of the wide surface;
h. The moving mechanism further comprises a separator for separating the primary inductor from the back of the wide surface. The induction power supply of claim 1, wherein the moving mechanism further comprises a rail, and the primary inductor slides on the rail. The induction power supply of claim 3, wherein the rail is slidably supported by a track or a pulley. The method of claim 1, wherein the primary coil is hidden behind the opaque layer; Induction power supply, characterized in that the position of the primary inductor is indicated by the indicator. 6. The inductive power supply as claimed in claim 5 having at least one of the following features.
a. The indicator is installed in the wide surface;
b. The indicator includes a display showing a map of the surface showing the location of the primary inductor;
c. The indicator further comprises a control panel for adjusting the position of the primary inductor, the position of the primary inductor being displayed on the control panel;
d. The indicator includes a transmitter for transmitting a remotely sensed location beam;
e. The position of the primary inductor is determined by an external sensor;
f. The position of the primary inductor is determined by an external sensor selected from a proximity sensor, a volume sensor, an infrared sensor, an ultrasonic sensor, a magnetic sensor, a hall sensor, an inductive sensor, and a capacitive sensor. 6. The inductive power supply as claimed in claim 5, wherein the indicator comprises a radiation emitter having an intensity that penetrates the opaque layer for sensing in front of the opaque layer. 8. The inductive power supply according to claim 7, having at least one of the following features.
a. The emitter is installed inside the primary inductor and the radiation is selected to penetrate the opaque layer;
b. The emitter is an LED;
c. The emitter comprises a primary inductor;
d. The radiation is detected by a photodiode;
e. The radiation is electromagnetic waves, sound waves or ultrasonic waves;
f. The radiation is infrared light detected by a digital camera;
g. The position of the primary inductor is encrypted with a position signal, which is transmitted by the radiation. A protective device which prevents the inductive power supply of claim 1 from transmitting power in the absence of an electrical load:
Protective device, characterized in that the connection of the primary inductor and the power is cut by the circuit breaker. 10. The method of claim 9,
a. A primary detector for sensing power transmitted by the primary inductor;
b. A secondary detector for detecting that a secondary inductor is inductively coupled to the primary inductor; And
c. And a controller connected to both the primary detector and the secondary detector to operate the circuit breaker. A protective device that prevents an inductive power supply from transmitting power in the absence of electrical loads:
The primary inductor transmits power to the secondary inductor;
Protective device, characterized in that the connection between the primary inductor and the power supply is broken by a circuit breaker. The method of claim 11,
a. A primary detector for sensing power transmitted by the primary inductor;
b. A secondary detector for detecting that a secondary inductor is inductively coupled to the primary inductor; And
c. And a controller connected to both the primary detector and the secondary detector to operate the circuit breaker. 13. The protective device of claim 12, wherein the primary detector is a magnetic sensor, a thermal sensor, an electromagnetic sensor, or a hall sensor. 13. A protective device according to claim 12, wherein the primary inductor emits radiation at a characteristic frequency f and the primary detector senses the radiation. 15. The method of claim 14, further comprising a modulator for modulating the radiation into a secondary signal indicating that the secondary inductor is inductively coupled to the primary inductor, wherein the secondary detector demodulates the radiation to separate the secondary signal. A protective device comprising a processor. 15. The protective device of claim 14, further comprising a modulator that modulates the radiation with a primary signal identifying the primary inductor. An induction power supply according to claim 1, wherein said wide surface is a wall, a floor, a ceiling, a basin, a bath or a work surface. A method of preventing power transmission in which an induction power outlet in which a primary inductor wired to a power source is inductively coupled to a secondary inductor wired to an electric load does not transmit power when there is no electric load.
a. The primary inductor transmitting power;
b. Detecting that the primary inductor transmits power;
c. Checking whether the primary inductor is inductively coupled with the secondary inductor; And
d. If the secondary inductor is not detected, disconnecting power from the primary inductor. 19. The method of claim 18, wherein in step b, a signal is sent from the primary inductor to the controller or the radiation from the primary inductor is detected. 19. The method of claim 18, wherein in step c, the secondary inductor sends a signal to the controller, the secondary signal inside the radiation from the primary inductor, or monitors the temperature near the primary inductor to determine whether the temperature rises. Power transmission prevention method characterized in that for checking. 19. The method of claim 18, wherein in step d, a control signal is sent to the controller indicating that the primary inductor transmits power even when there is no secondary inductor, and then an actuation signal to a circuit breaker connected between the power source and the primary inductor. Power transmission prevention method characterized in that.

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