EP3372725A1 - System and method for generating and harvesting electrical energy from a washing machine - Google Patents
System and method for generating and harvesting electrical energy from a washing machine Download PDFInfo
- Publication number
- EP3372725A1 EP3372725A1 EP17159959.0A EP17159959A EP3372725A1 EP 3372725 A1 EP3372725 A1 EP 3372725A1 EP 17159959 A EP17159959 A EP 17159959A EP 3372725 A1 EP3372725 A1 EP 3372725A1
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- European Patent Office
- Prior art keywords
- washing
- magnetic field
- induction coil
- tube
- washing machine
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- 238000005406 washing Methods 0.000 title claims abstract description 86
- 238000003306 harvesting Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 26
- 230000005291 magnetic effect Effects 0.000 claims abstract description 88
- 230000006698 induction Effects 0.000 claims abstract description 80
- 230000001939 inductive effect Effects 0.000 claims abstract description 17
- 239000012736 aqueous medium Substances 0.000 claims description 7
- 230000003292 diminished effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims 4
- 238000010168 coupling process Methods 0.000 claims 4
- 238000005859 coupling reaction Methods 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 2
- 229920002595 Dielectric elastomer Polymers 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000011263 electroactive material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/20—Arrangements for water recovery
Definitions
- the embodiments herein generally relate to an electrical energy harvesting system, and, more particularly, a system and method for generating and harvesting electrical energy from a washing machine.
- WO2010111376 details about an energy harvesting system that are described in electro active materials such as dielectric elastomers.
- the energy harvesting system is utilized to absorb the shocks, bumps, and vibrations from the road or path to generate energy, which is captured and stored for use in the vehicle to provide additional power for any number of uses.
- WO2015092646 discloses a washing or washing/drying machine comprising an electric current generator.
- the washing and drying machine comprising a frame, an assembly constrained to frame, energy recovery means configured to transform kinetic energy in electrical energy.
- none of the conventional used devices disclosed a method that utilizes ordinary movements of a washing machine.
- an embodiment herein provides a system for generating and harvesting electrical energy from a washing machine.
- the system includes a permanent magnet, an induction coil, and a wireless charging device.
- the permanent magnet placed around a washing-tube of the washing machine.
- the permanent magnet generates a magnetic field.
- the induction coil is placed inside of the washing-tube of the washing machine.
- the induction coil is configured to generate an induced current when the washing-tube rotates in the magnetic field of the permanent magnet.
- the wireless charging device is operatively coupled to the induction coil.
- the wireless charging devices comprises an inductive antenna that configured to transfer the induced current generated in the induction coil to a storage device.
- the permanent magnet is coupled to the washing machine in a way that the magnetic field of the permanent magnet does not affect any electronics circuits of the washing machine.
- the permanent magnet is adapted to be adjusted in terms of size, magnitude of the magnetic field, and the field pattern.
- the permanent magnet produces a magnetic field and magnetic lines of the magnetic field penetrate through the induction coil.
- the permanent magnet is optimized to neglect a magnetic effect or minimize the magnetic effect to a negligible limit on the normal function of the washing machine.
- more than one permanent magnet is placed around the washing-tube of the washing machine.
- the induction coil cuts the magnetic field of the permanent magnet and the induction coil experiences a changing magnetic field.
- the changing magnetic field induces the induced current in the induction coil and the induced current is transferred to the wireless charging device.
- the wireless charging device is configured to store the induced current in a storage device.
- a force is generated in the induction coil due to the changing magnetic field and the force is diminished by absorbing the force by the highly complicated aqueous medium or objects inside the washing-tube of the washing machine.
- the system further comprises a mobile magnet that is adapted to couple inside the washing-tube of the washing machine.
- the induction coil is coupled to an inner wall the washing tube that is around the mobile magnet.
- the induction coil cuts a magnetic field of the mobile magnet
- the induction coil experiences a changing magnetic field and the changing magnetic field produces the induced current.
- the washing-tube is designed to minimize a magnetic force produced inside the washing-tube by the mobile magnet and reduces the electrical power required to rotate the washing-tube of the washing machine.
- a method for generating and harvesting electrical energy from a washing machine using a permanent magnet includes following steps: (i) the permanent magnet is coupled around a washing-tube of the washing machine; (ii) an induction coil is coupled inside of the washing-tube of the washing machine; (iii) the washing-tube is rotated in a magnetic field of the permanent magnet to generate a changing magnetic field in the induction coil; (iv) an induced current is induced in an inductive antenna of a wireless charging device by the changing magnetic field of the induction coil; and (v) the induced current is transferred to a storage device by the wireless charging device.
- the permanent magnet produces a magnetic field.
- the wireless charging device is operatively coupled to the induction coil.
- the method further includes steps of: (i) the induced current is converted into the direct current using a rectifier of the wireless charging device; and (ii) the direct current is transmitted to the storage device using a transmitter coil of the wireless charging device.
- the storage device is configured to store the direct current received from the wireless charging device.
- a method for generating and harvesting electrical energy from a washing machine using a mobile magnet includes following steps: (i) the mobile magnet is coupled in a centre of a washing-tube of the washing machine; (ii) an induction coil is coupled inside of the washing-tube of the washing machine; (iii) the washing-tube is rotated in a magnetic field of the mobile magnet to generate a changing magnetic field in the induction coil; (iv) an induced current is induced in an inductive antenna of the wireless charging device by the changing magnetic field of the induction coil; and (v) the induced current is transferred to a storage device by the wireless charging device.
- the mobile magnet produces the magnetic field.
- a wireless charging device is operatively coupled to the induction coil.
- the method further includes steps of: (i) the induced current is converted into the direct current using a rectifier of the wireless charging device; and (ii) the direct current is transmitted to the storage device using a transmitter coil of the wireless charging device.
- the storage device is configured to store the direct current received from the wireless charging device.
- FIGS. 1 through 5 where similar reference characters denote corresponding features consistently throughout the figures, there are shown preferred embodiments.
- FIG. 1 illustrates a perspective view of a system 100 to generate and harvest electrical energy from a washing machine 106 by a permanent magnet 102 according to an embodiment herein.
- the system 100 includes the permanent magnet 102, a washing-tube 104, the washing machine 106, an induction coil 108, and a wireless charging device 112.
- the permanent magnet 102 is coupled around the washing-tube 104 of the washing machine 106.
- the permanent magnet 102 produces a magnetic field 110 in between the North and South Pole of the permanent magnet 102.
- the induction coil 108 is coupled inside of the washing-tube of the washing machine 106.
- the induction coil 108 is configured to generate an induced current when the washing-tube 104 rotates in the magnetic field 110 of the permanent magnet 102.
- the wireless charging device 112 is operatively coupled to the induction coil 108.
- the wireless charging device 112 includes an inductive antenna.
- the induction coil 108 cuts the magnetic field 110 of the permanent magnet 102 and the induction coil 108 experience a changing magnetic field.
- the changing magnetic field induces the induced current in the induction coil 108.
- the inductive antenna of the wireless charging device 112 is configured to transmit and store the induced current to a storage device.
- the storage device is a battery package.
- the battery is coupled inside the wireless charging device 112.
- the permanent magnet 102 is adapted to be adjusted in terms of size and the magnitude of the magnetic field 110 and the field pattern. In another embodiment, the permanent magnet 102 is adapted to produce the magnetic field and the magnetic lines of the magnetic field that penetrate through the induction coil 108. In an embodiment, the permanent magnet 102 is coupled to the washing machine 106 in a way that the magnetic field 110 of the permanent magnet 102 does not affect any electronics circuits of the washing machine 106. In another embodiment, the permanent magnet 102 is optimized to neglect a magnetic effect or minimize the magnetic effect to a negligible limit on the normal functioning of the washing machine 106. In another embodiment, the permanent magnet 102 is replaced by more than one permanent magnet that is placed around the washing machine 106.
- the force is diminished by absorbing the force by the highly complicated aqueous medium or objects inside the washing-tube 104 of the washing machine 106.
- the highly complicated aqueous medium is water.
- the wireless charging device 112 is configured to charge any inductive charging devices including, but not limited to, wearable sensors or water resistant electronic devices.
- FIG. 2 illustrates a perspective view of a system 200 for generating electrical energy from the washing machine 106 using a mobile magnet 202 of FIG. 1 according to an embodiment herein.
- the system 200 includes the mobile magnet 202, the induction coil 108, and the wireless charging device (not shown in FIG. 2 ).
- the mobile magnet 202 is coupled inside of the washing-tube 104 of the washing machine 106.
- the mobile magnet 202 produces a magnetic field 204 inside the washing-tube 104 of the washing machine 106.
- the induction coil 108 is coupled to an inner wall the washing tube 104 that is around the mobile magnet 202.
- the induction coil 108 is configured to generate an induced current when the washing-tube 104 rotates in the magnetic field 204 of the mobile magnet 202.
- the wireless charging device is coupled to the induction coil 108.
- the induction coil 108 cuts the magnetic field 204 of the mobile magnet 202 and the induction coil 108 experience a changing magnetic field.
- the changing magnetic field induces the induced current in the induction coil 108.
- the inductive antenna of the wireless charging device is configured to transmit and store the induced current to the storage device.
- the storage device is a battery package.
- the washing-tube 104 is designed to minimize a magnetic force produced inside the washing-tube 104 by the mobile magnet 202 and reduce the electrical power required to rotate the washing-tube 104 of the washing machine 106.
- the mobile magnet 202 is configured with higher magnetic fields.
- a charging rate of the wireless charging device is increased according to the increase in rotation of the washing-tube 104 of the washing machine 1063.
- the system 200 is configured to generate and harvest electrical energy from washing machines, drying machines or toys.
- FIG. 3 illustrates a block diagram 300 of the wireless charging device of the FIGS. 1 and 2 according to an embodiment herein.
- the block diagram includes an AC-DC converter 302, an oscillator 304, a transmitter coil 306, a receiver coil 308, a rectifier 310, a DC voltage regulator 312, and a storage battery 314.
- the AC-DC converter 302 is configured to convert the induced current into the direct current (DC).
- the induced current is an alternating current (AC).
- the oscillator 304 is configured to generate an AC power signal with a frequency signal based on the input DC.
- the frequency signal is a carrier signal.
- the transmitter coil 306 is configured to transmit the AC signal and the generated frequency signal to the receiver coil 308.
- the transmitter coil 306 is the inductive antenna. In one embodiment, the transmitter coil 306 and the receiver coil 308 is magnetically coupled. In one embodiment, a power amplifier is coupled to the transmitter coil 306 to amplify the frequency signal to supply adequate power to the receiver coil. The receiver coil 308 is configured to receive the AC power signal and transmits to the rectifier 310. The rectifier 310 is configured to convert the received AC power signal into a DC power signal. In one embodiment, a filter is coupled to the rectifier 310 to filter any AC component in the converted DC power signal. The DC-DC regulator 312 is configured to generate a DC voltage from the DC power signal and store in the storage batter 314.
- FIG. 4 is a flow diagram 400 illustrating a method for generating and harvesting electrical energy from a washing machine 106 using a permanent magnet 102 of FIG. 1 according to an embodiment herein.
- the permanent magnet 102 is coupled around a washing-tube 104 of the washing machine 106.
- the permanent magnet 102 produces a magnetic field 110.
- an induction coil 108 is coupled inside of the washing-tube 104 of the washing machine 106.
- a wireless charging device is operatively coupled to the induction coil 108.
- the washing-tube 104 is rotated in the magnetic field 110 of the permanent magnet 102 to generate a changing magnetic field in the induction coil 108.
- an induced current is induced in an inductive antenna of the wireless charging device by the changing magnetic field of the induction coil 108.
- the induced current is transferred to a storage device by the wireless charging device.
- the method further includes steps of: (i) the induced current is converted into the direct current using a rectifier of the wireless charging device; and (ii) the direct current is transmitted to the storage device using a transmitter coil of the wireless charging device.
- the storage device is configured to store the direct current received from the wireless charging device.
- FIG. 5 is a flow diagram 500 illustrating a method for generating and harvesting electrical energy from a washing machine 106 using a mobile magnet 202 of FIG. 2 according to an embodiment herein.
- the mobile magnet 202 is coupled in a centre of a washing-tube 104 of the washing machine 106.
- the mobile magnet 202 produces a magnetic field 204.
- an induction coil 108 is coupled inside of the washing-tube 104 of the washing machine 106.
- a wireless charging device is operatively coupled to the induction coil 108.
- the washing-tube 104 is rotated in the magnetic field 204 of the mobile magnet 202 to generate a changing magnetic field in the induction coil 108.
- an induced current is induced in an inductive antenna of the wireless charging device by the changing magnetic field of the induction coil 108.
- the induced current is transferred to a storage device by the wireless charging device.
- the method further includes steps of: (i) the induced current is converted into the direct current using a rectifier of the wireless charging device; and (ii) the direct current is transmitted to the storage device using a transmitter coil of the wireless charging device.
- the storage device is configured to store the direct current received from the wireless charging device.
- the invention provides a system for generating and harvesting electrical energy from a washing machine.
- the system includes a permanent magnet, an induction coil, and a wireless charging device.
- the permanent magnet placed around a washing-tube of the washing machine.
- the permanent magnet generates a magnetic field.
- the induction coil is placed inside of the washing-tube of the washing machine.
- the induction coil is configured to generate an induced current when the washing-tube rotates in the magnetic field of the permanent magnet.
- the wireless charging device is operatively coupled to the induction coil.
- the wireless charging devices comprises an inductive antenna that configured to transfer the induced current generated in the induction coil to a storage device.
- the permanent magnet is coupled to the washing machine in a way that the magnetic field of the permanent magnet does not affect any electronics circuits of the washing machine.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
Description
- The embodiments herein generally relate to an electrical energy harvesting system, and, more particularly, a system and method for generating and harvesting electrical energy from a washing machine.
- Now-a-days, need of the electrical energy has been rapidly increased. To meet the requirement of electrical energy, conventional power stations are increased that lead to the environmental pollution. To control the environmental pollution, it is necessary to use green energy and harvest the electrical energy wherever it is possible. Electrical energy harvesting generators are attractive as inexhaustible replacements for charging batteries in low-power wireless electronic devices. Conventionally, different types of energy harvesting devices are used for generating electrical energy. The different types of harvesting devices used in, but not limited to, RF energy harvesting, induction based wireless charging, optical, thermoelectric or piezoelectric based systems. The electrical energy harvesting improvises minimal use of electrical energy and is more based on the conventional use of the energy.
- In the prior art, these problems have been addressed in various ways. The patent application,
WO2010111376 , details about an energy harvesting system that are described in electro active materials such as dielectric elastomers. The energy harvesting system is utilized to absorb the shocks, bumps, and vibrations from the road or path to generate energy, which is captured and stored for use in the vehicle to provide additional power for any number of uses.WO2015092646 discloses a washing or washing/drying machine comprising an electric current generator. The washing and drying machine comprising a frame, an assembly constrained to frame, energy recovery means configured to transform kinetic energy in electrical energy. However, none of the conventional used devices disclosed a method that utilizes ordinary movements of a washing machine. - Accordingly, there is a need for a cost effective system for generating and harvesting energy from washing machines.
- In view of the foregoing, an embodiment herein provides a system for generating and harvesting electrical energy from a washing machine. The system includes a permanent magnet, an induction coil, and a wireless charging device. The permanent magnet placed around a washing-tube of the washing machine. The permanent magnet generates a magnetic field. The induction coil is placed inside of the washing-tube of the washing machine. The induction coil is configured to generate an induced current when the washing-tube rotates in the magnetic field of the permanent magnet. The wireless charging device is operatively coupled to the induction coil. The wireless charging devices comprises an inductive antenna that configured to transfer the induced current generated in the induction coil to a storage device. In one embodiment, the permanent magnet is coupled to the washing machine in a way that the magnetic field of the permanent magnet does not affect any electronics circuits of the washing machine. In another embodiment, the permanent magnet is adapted to be adjusted in terms of size, magnitude of the magnetic field, and the field pattern. In another embodiment, the permanent magnet produces a magnetic field and magnetic lines of the magnetic field penetrate through the induction coil. In one embodiment, the permanent magnet is optimized to neglect a magnetic effect or minimize the magnetic effect to a negligible limit on the normal function of the washing machine. In another embodiment, more than one permanent magnet is placed around the washing-tube of the washing machine.
- In one embodiment, when the washing-tube of the washing machine rotates, the induction coil cuts the magnetic field of the permanent magnet and the induction coil experiences a changing magnetic field. In one embodiment, the changing magnetic field induces the induced current in the induction coil and the induced current is transferred to the wireless charging device. In one embodiment, the wireless charging device is configured to store the induced current in a storage device. In one embodiment, a force is generated in the induction coil due to the changing magnetic field and the force is diminished by absorbing the force by the highly complicated aqueous medium or objects inside the washing-tube of the washing machine.
- The system further comprises a mobile magnet that is adapted to couple inside the washing-tube of the washing machine. In another embodiment, the induction coil is coupled to an inner wall the washing tube that is around the mobile magnet. In one embodiment, when the induction coil cuts a magnetic field of the mobile magnet, the induction coil experiences a changing magnetic field and the changing magnetic field produces the induced current. In one embodiment, the washing-tube is designed to minimize a magnetic force produced inside the washing-tube by the mobile magnet and reduces the electrical power required to rotate the washing-tube of the washing machine.
- In another aspect, a method for generating and harvesting electrical energy from a washing machine using a permanent magnet is provided. The method includes following steps: (i) the permanent magnet is coupled around a washing-tube of the washing machine; (ii) an induction coil is coupled inside of the washing-tube of the washing machine; (iii) the washing-tube is rotated in a magnetic field of the permanent magnet to generate a changing magnetic field in the induction coil; (iv) an induced current is induced in an inductive antenna of a wireless charging device by the changing magnetic field of the induction coil; and (v) the induced current is transferred to a storage device by the wireless charging device. In one embodiment, the permanent magnet produces a magnetic field. In one embodiment, the wireless charging device is operatively coupled to the induction coil.
- In one embodiment, the method further includes steps of: (i) the induced current is converted into the direct current using a rectifier of the wireless charging device; and (ii) the direct current is transmitted to the storage device using a transmitter coil of the wireless charging device. In one embodiment, the storage device is configured to store the direct current received from the wireless charging device.
- In yet another aspect, a method for generating and harvesting electrical energy from a washing machine using a mobile magnet is provided. The method includes following steps: (i) the mobile magnet is coupled in a centre of a washing-tube of the washing machine; (ii) an induction coil is coupled inside of the washing-tube of the washing machine; (iii) the washing-tube is rotated in a magnetic field of the mobile magnet to generate a changing magnetic field in the induction coil; (iv) an induced current is induced in an inductive antenna of the wireless charging device by the changing magnetic field of the induction coil; and (v) the induced current is transferred to a storage device by the wireless charging device. In one embodiment, the mobile magnet produces the magnetic field. In one embodiment, a wireless charging device is operatively coupled to the induction coil.
- In one embodiment, the method further includes steps of: (i) the induced current is converted into the direct current using a rectifier of the wireless charging device; and (ii) the direct current is transmitted to the storage device using a transmitter coil of the wireless charging device. In one embodiment, the storage device is configured to store the direct current received from the wireless charging device.
- These and other aspects of the embodiments herein will be better appreciated and understood when considered in conjunction with the following description and the accompanying drawings. It should be understood, however, that the following descriptions, while indicating preferred embodiments and numerous specific details thereof, are given by way of illustration and not of limitation. Many changes and modifications may be made within the scope of the embodiments herein without departing from the spirit thereof, and the embodiments herein include all such modifications.
- The embodiments herein will be better understood from the following detailed description with reference to the drawings, in which:
-
FIG. 1 illustrates a perspective view of a system to generate and harvest electrical energy from a washing machine by a permanent magnet according to an embodiment herein; -
FIG. 2 illustrates a perspective view of a system for generating electrical energy from the washing machine using a mobile magnet ofFIG. 1 according to an embodiment herein; -
FIG. 3 illustrates a block diagram of the wireless charging device of theFIGS. 1 and2 according to an embodiment herein; -
FIG. 4 is a flow diagram illustrating a method for generating and harvesting electrical energy from a washing machine using a permanent magnet ofFIG. 1 according to an embodiment herein; and -
FIG. 5 is a flow diagram illustrating a method for generating and harvesting electrical energy from a washing machine using a mobile magnet ofFIG. 2 according to an embodiment herein. - The embodiments herein and the various features and advantageous details thereof are explained more fully with reference to the non-limiting embodiments that are illustrated in the accompanying drawings and detailed in the following description. Descriptions of well-known components and processing techniques are omitted so as to not unnecessarily obscure the embodiments herein. The examples used herein are intended merely to facilitate an understanding of ways in which the embodiments herein may be practiced and to further enable those of skill in the art to practice the embodiments herein. Accordingly, the examples should not be construed as limiting the scope of the embodiments herein.
- As mentioned, there remains a need for a cost effective system for generating and harvesting energy from washing machines. Referring now to the drawings, and more particularly to
FIGS. 1 through 5 , where similar reference characters denote corresponding features consistently throughout the figures, there are shown preferred embodiments. -
FIG. 1 illustrates a perspective view of asystem 100 to generate and harvest electrical energy from awashing machine 106 by apermanent magnet 102 according to an embodiment herein. Thesystem 100 includes thepermanent magnet 102, a washing-tube 104, thewashing machine 106, aninduction coil 108, and awireless charging device 112. Thepermanent magnet 102 is coupled around the washing-tube 104 of thewashing machine 106. Thepermanent magnet 102 produces amagnetic field 110 in between the North and South Pole of thepermanent magnet 102. Theinduction coil 108 is coupled inside of the washing-tube of thewashing machine 106. Theinduction coil 108 is configured to generate an induced current when the washing-tube 104 rotates in themagnetic field 110 of thepermanent magnet 102. Thewireless charging device 112 is operatively coupled to theinduction coil 108. In one embodiment, thewireless charging device 112 includes an inductive antenna. When the washing-tube 104 of thewashing machine 106 rotates, theinduction coil 108 cuts themagnetic field 110 of thepermanent magnet 102 and theinduction coil 108 experience a changing magnetic field. The changing magnetic field induces the induced current in theinduction coil 108. In one embodiment, the inductive antenna of thewireless charging device 112 is configured to transmit and store the induced current to a storage device. In one embodiment, the storage device is a battery package. In another embodiment, the battery is coupled inside thewireless charging device 112. - In an embodiment, the
permanent magnet 102 is adapted to be adjusted in terms of size and the magnitude of themagnetic field 110 and the field pattern. In another embodiment, thepermanent magnet 102 is adapted to produce the magnetic field and the magnetic lines of the magnetic field that penetrate through theinduction coil 108. In an embodiment, thepermanent magnet 102 is coupled to thewashing machine 106 in a way that themagnetic field 110 of thepermanent magnet 102 does not affect any electronics circuits of thewashing machine 106. In another embodiment, thepermanent magnet 102 is optimized to neglect a magnetic effect or minimize the magnetic effect to a negligible limit on the normal functioning of thewashing machine 106. In another embodiment, thepermanent magnet 102 is replaced by more than one permanent magnet that is placed around thewashing machine 106. - In an embodiment, a force generated in the
induction coil 108 due to the changing magnetic field of theinduction coil 108. The force is diminished by absorbing the force by the highly complicated aqueous medium or objects inside the washing-tube 104 of thewashing machine 106. In an embodiment, the highly complicated aqueous medium is water. In an embodiment, thewireless charging device 112 is configured to charge any inductive charging devices including, but not limited to, wearable sensors or water resistant electronic devices. -
FIG. 2 illustrates a perspective view of asystem 200 for generating electrical energy from thewashing machine 106 using amobile magnet 202 ofFIG. 1 according to an embodiment herein. Thesystem 200 includes themobile magnet 202, theinduction coil 108, and the wireless charging device (not shown inFIG. 2 ). Themobile magnet 202 is coupled inside of the washing-tube 104 of thewashing machine 106. Themobile magnet 202 produces amagnetic field 204 inside the washing-tube 104 of thewashing machine 106. Theinduction coil 108 is coupled to an inner wall thewashing tube 104 that is around themobile magnet 202. Theinduction coil 108 is configured to generate an induced current when the washing-tube 104 rotates in themagnetic field 204 of themobile magnet 202. The wireless charging device is coupled to theinduction coil 108. When the washing-tube 104 of thewashing machine 106 rotates, theinduction coil 108 cuts themagnetic field 204 of themobile magnet 202 and theinduction coil 108 experience a changing magnetic field. The changing magnetic field induces the induced current in theinduction coil 108. In one embodiment, the inductive antenna of the wireless charging device is configured to transmit and store the induced current to the storage device. In one embodiment, the storage device is a battery package. - In another embodiment, the washing-
tube 104 is designed to minimize a magnetic force produced inside the washing-tube 104 by themobile magnet 202 and reduce the electrical power required to rotate the washing-tube 104 of thewashing machine 106. In an embodiment, themobile magnet 202 is configured with higher magnetic fields. In an embodiment, a charging rate of the wireless charging device is increased according to the increase in rotation of the washing-tube 104 of the washing machine 1063. In one embodiment, thesystem 200 is configured to generate and harvest electrical energy from washing machines, drying machines or toys. -
FIG. 3 illustrates a block diagram 300 of the wireless charging device of theFIGS. 1 and2 according to an embodiment herein. The block diagram includes an AC-DC converter 302, anoscillator 304, atransmitter coil 306, areceiver coil 308, arectifier 310, aDC voltage regulator 312, and astorage battery 314. The AC-DC converter 302 is configured to convert the induced current into the direct current (DC). In one embodiment, the induced current is an alternating current (AC). Theoscillator 304 is configured to generate an AC power signal with a frequency signal based on the input DC. In one embodiment, the frequency signal is a carrier signal. Thetransmitter coil 306 is configured to transmit the AC signal and the generated frequency signal to thereceiver coil 308. In one embodiment, thetransmitter coil 306 is the inductive antenna. In one embodiment, thetransmitter coil 306 and thereceiver coil 308 is magnetically coupled. In one embodiment, a power amplifier is coupled to thetransmitter coil 306 to amplify the frequency signal to supply adequate power to the receiver coil. Thereceiver coil 308 is configured to receive the AC power signal and transmits to therectifier 310. Therectifier 310 is configured to convert the received AC power signal into a DC power signal. In one embodiment, a filter is coupled to therectifier 310 to filter any AC component in the converted DC power signal. The DC-DC regulator 312 is configured to generate a DC voltage from the DC power signal and store in thestorage batter 314. -
FIG. 4 is a flow diagram 400 illustrating a method for generating and harvesting electrical energy from awashing machine 106 using apermanent magnet 102 ofFIG. 1 according to an embodiment herein. Atstep 402, thepermanent magnet 102 is coupled around a washing-tube 104 of thewashing machine 106. In one embodiment, thepermanent magnet 102 produces amagnetic field 110. Atstep 404, aninduction coil 108 is coupled inside of the washing-tube 104 of thewashing machine 106. In one embodiment, a wireless charging device is operatively coupled to theinduction coil 108. Atstep 406, the washing-tube 104 is rotated in themagnetic field 110 of thepermanent magnet 102 to generate a changing magnetic field in theinduction coil 108. Atstep 408, an induced current is induced in an inductive antenna of the wireless charging device by the changing magnetic field of theinduction coil 108. Atstep 410, the induced current is transferred to a storage device by the wireless charging device. - In one embodiment, the method further includes steps of: (i) the induced current is converted into the direct current using a rectifier of the wireless charging device; and (ii) the direct current is transmitted to the storage device using a transmitter coil of the wireless charging device. In one embodiment, the storage device is configured to store the direct current received from the wireless charging device.
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FIG. 5 is a flow diagram 500 illustrating a method for generating and harvesting electrical energy from awashing machine 106 using amobile magnet 202 ofFIG. 2 according to an embodiment herein. Atstep 502, themobile magnet 202 is coupled in a centre of a washing-tube 104 of thewashing machine 106. In one embodiment, themobile magnet 202 produces amagnetic field 204. Atstep 504, aninduction coil 108 is coupled inside of the washing-tube 104 of thewashing machine 106. In one embodiment, a wireless charging device is operatively coupled to theinduction coil 108. Atstep 406, the washing-tube 104 is rotated in themagnetic field 204 of themobile magnet 202 to generate a changing magnetic field in theinduction coil 108. Atstep 408, an induced current is induced in an inductive antenna of the wireless charging device by the changing magnetic field of theinduction coil 108. Atstep 410, the induced current is transferred to a storage device by the wireless charging device.
In one embodiment, the method further includes steps of: (i) the induced current is converted into the direct current using a rectifier of the wireless charging device; and (ii) the direct current is transmitted to the storage device using a transmitter coil of the wireless charging device. In one embodiment, the storage device is configured to store the direct current received from the wireless charging device. - The foregoing description of the specific embodiments will so fully reveal the general nature of the embodiments herein that others can, by applying current knowledge, readily modify and/or adapt for various applications such specific embodiments without departing from the generic concept, and, therefore, such adaptations and modifications should and are intended to be comprehended within the meaning and range of equivalents of the disclosed embodiments. It is to be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation. Therefore, while the embodiments herein have been described in terms of preferred embodiments, those skilled in the art will recognize that the embodiments herein can be practiced with modification within the spirit and scope of the appended claims.
- In particular, the invention provides a system for generating and harvesting electrical energy from a washing machine. The system includes a permanent magnet, an induction coil, and a wireless charging device. The permanent magnet placed around a washing-tube of the washing machine. The permanent magnet generates a magnetic field. The induction coil is placed inside of the washing-tube of the washing machine. The induction coil is configured to generate an induced current when the washing-tube rotates in the magnetic field of the permanent magnet. The wireless charging device is operatively coupled to the induction coil. The wireless charging devices comprises an inductive antenna that configured to transfer the induced current generated in the induction coil to a storage device. In one embodiment, the permanent magnet is coupled to the washing machine in a way that the magnetic field of the permanent magnet does not affect any electronics circuits of the washing machine.
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- 102
- Permanent magnet
- 104
- washing-tube
- 106
- washing machine
- 108
- induction coil
- 110
- magnetic field
- 112
- Wireless charging device
- 202
- mobile magnet
- 204
- magnetic field
- 302
- AC-DC converter
- 304
- oscillator
- 306
- transmitter coil
- 308
- receiver coil
- 310
- rectifier
- 312
- DC-DC regulator
- 314
- storage device
Claims (15)
- A system for generating and harvesting electrical energy from a washing machine, wherein the system comprises:a permanent magnet that is placed around a washing-tube of the washing machine, wherein the permanent magnet generates a magnetic field;an induction coil that is placed inside of the washing-tube of the washing machine, wherein the induction coil is configured to generate an induced current when the washing-tube rotates in the magnetic field of the permanent magnet; anda wireless charging device that is operatively coupled to the induction coil, wherein the wireless charging devices comprises an inductive antenna that is configured to transfer the induced current generated in the induction coil to a storage device.
- The system of claim 1, wherein the permanent magnet is coupled to the washing machine in a way that the magnetic field of the permanent magnet does not affect any electronics circuits of the washing machine.
- The system of claim 1, wherein the permanent magnet is adapted to be adjusted in terms of size, magnitude of the magnetic field, and the field pattern, wherein the permanent magnet produces a magnetic field and magnetic lines of the magnetic field penetrate through the induction coil.
- The system of claim 1, wherein the permanent magnet is optimized to neglect a magnetic effect or minimize the magnetic effect to a negligible limit on the normal function of the washing machine, wherein more than one permanent magnet is placed around the washing-tube of the washing machine.
- The system of claim 3, wherein when the washing-tube of the washing machine rotates, the induction coil cuts the magnetic field of the permanent magnet, wherein the induction coil experiences a changing magnetic field when the induction coil cuts the magnetic field.
- The system of claim 5, wherein the changing magnetic field induces the induced current in the induction coil, wherein the induced current is transferred to the wireless charging device, wherein the wireless charging device is configured to store the induced current in a storage device.
- The system of claim 6, wherein a force is generated in the induction coil due to the changing magnetic field, wherein the force is diminished by absorbing the force by the highly complicated aqueous medium or objects inside the washing-tube of the washing machine, wherein the highly complicated aqueous medium is water.
- The system of claim 1, wherein system comprises a mobile magnet that is adapted to couple inside the washing-tube of the washing machine, wherein the induction coil is coupled to an inner wall the washing tube that is around the mobile magnet, wherein when the induction coil cuts a magnetic field of the mobile magnet, the induction coil experiences a changing magnetic field, wherein the changing magnetic field produces the induced current.
- The system of claim 8, wherein the washing-tube is designed to minimize a magnetic force produced inside the washing-tube by the mobile magnet and reduces the electrical power required to rotate the washing-tube of the washing machine.
- A method for generating and harvesting electrical energy from a washing machine using a permanent magnet, wherein the method comprises:coupling the permanent magnet around a washing-tube of the washing machine, wherein the permanent magnet produces a magnetic field;coupling an induction coil inside of the washing-tube of the washing machine, wherein a wireless charging device is operatively coupled to the induction coil;rotating the washing-tube in the magnetic field of the permanent magnet to generate a changing magnetic field in the induction coil;inducing an induced current in an inductive antenna of the wireless charging device by the changing magnetic field of the induction coil; andtransferring the induced current to a storage device by the wireless charging device.
- The method of claim 10, wherein the method further comprises:converting, using a rectifier of the wireless charging device, the induced current into the direct current;transmitting, using a transmitter coil of the wireless charging device, the direct current to the storage device, wherein the storage device is configured to store the direct current received from the wireless charging device.
- The method of claim 11, wherein a force is generated in the induction coil due to the changing magnetic field, wherein the force is diminished by absorbing the force by the highly complicated aqueous medium or objects inside the washing-tube of the washing machine, wherein the highly complicated aqueous medium is water.
- A method for generating and harvesting electrical energy from a washing machine using a mobile magnet, wherein the method comprises:coupling the mobile magnet in a centre of a washing-tube of the washing machine, wherein the mobile magnet produces a magnetic field;coupling an induction coil inside of the washing-tube of the washing machine, wherein a wireless charging device is operatively coupled to the induction coil;rotating the washing tube in the magnetic field of the mobile magnet to generate a changing magnetic field in the induction coil;inducing an induced current in an inductive antenna of the wireless charging device by the changing magnetic field of the induction coil; andtransferring the induced current to a storage device by the wireless charging device.
- The method of claim 13, wherein the method further comprises:converting, using a rectifier of the wireless charging device, the induced current into the direct current;transmitting, using a transmitter coil of the wireless charging device, the direct current to the storage device, wherein the storage device is configured to store the direct current received from the wireless charging device.
- The method of claim 14, wherein the washing-tube is designed to minimize a magnetic force produced inside the washing-tube by the mobile magnet and reduces the electrical power required to rotate the washing-tube.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17159959.0A EP3372725B1 (en) | 2017-03-08 | 2017-03-08 | System and method for generating and harvesting electrical energy from a washing machine |
TR2017/04553A TR201704553A2 (en) | 2017-03-08 | 2017-03-27 | System and method for generating and harvesting electrical energy from a washing machine. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP17159959.0A EP3372725B1 (en) | 2017-03-08 | 2017-03-08 | System and method for generating and harvesting electrical energy from a washing machine |
Publications (2)
Publication Number | Publication Date |
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EP3372725A1 true EP3372725A1 (en) | 2018-09-12 |
EP3372725B1 EP3372725B1 (en) | 2023-10-18 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP17159959.0A Active EP3372725B1 (en) | 2017-03-08 | 2017-03-08 | System and method for generating and harvesting electrical energy from a washing machine |
Country Status (2)
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EP (1) | EP3372725B1 (en) |
TR (1) | TR201704553A2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112111908A (en) * | 2019-06-03 | 2020-12-22 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
CN112609400A (en) * | 2020-12-14 | 2021-04-06 | 南京创维家用电器有限公司 | Washing machine supporting wireless charging |
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US20120192362A1 (en) * | 2010-03-15 | 2012-08-02 | Dong Soo Lee | Washing machine and control method thereof |
WO2013022164A2 (en) * | 2011-08-10 | 2013-02-14 | Lg Electronics Inc. | Washing machine |
WO2013087774A1 (en) * | 2011-12-16 | 2013-06-20 | BSH Bosch und Siemens Hausgeräte GmbH | Household appliance including a power supply module and a power consumption module |
WO2015092646A1 (en) | 2013-12-18 | 2015-06-25 | Indesit Company S.P.A, | Washing or washing/drying machine comprising an electric current generator |
DE102014013717A1 (en) * | 2014-09-16 | 2016-03-17 | Diehl Ako Stiftung & Co. Kg | Electronic home appliance and method for operating an electronic household appliance |
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2017
- 2017-03-08 EP EP17159959.0A patent/EP3372725B1/en active Active
- 2017-03-27 TR TR2017/04553A patent/TR201704553A2/en unknown
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WO2010111376A1 (en) | 2009-03-25 | 2010-09-30 | Nikhil Bhat | Energy harvesting system |
US20120192362A1 (en) * | 2010-03-15 | 2012-08-02 | Dong Soo Lee | Washing machine and control method thereof |
WO2013022164A2 (en) * | 2011-08-10 | 2013-02-14 | Lg Electronics Inc. | Washing machine |
WO2013087774A1 (en) * | 2011-12-16 | 2013-06-20 | BSH Bosch und Siemens Hausgeräte GmbH | Household appliance including a power supply module and a power consumption module |
WO2015092646A1 (en) | 2013-12-18 | 2015-06-25 | Indesit Company S.P.A, | Washing or washing/drying machine comprising an electric current generator |
DE102014013717A1 (en) * | 2014-09-16 | 2016-03-17 | Diehl Ako Stiftung & Co. Kg | Electronic home appliance and method for operating an electronic household appliance |
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CN112111908A (en) * | 2019-06-03 | 2020-12-22 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
CN112111908B (en) * | 2019-06-03 | 2023-08-08 | 青岛海尔洗衣机有限公司 | Washing machine and control method thereof |
CN112609400A (en) * | 2020-12-14 | 2021-04-06 | 南京创维家用电器有限公司 | Washing machine supporting wireless charging |
Also Published As
Publication number | Publication date |
---|---|
EP3372725B1 (en) | 2023-10-18 |
TR201704553A2 (en) | 2018-09-21 |
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