CN103746464B - The wireless power control method of electric heater and electric heater - Google Patents
The wireless power control method of electric heater and electric heater Download PDFInfo
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- CN103746464B CN103746464B CN201310736214.0A CN201310736214A CN103746464B CN 103746464 B CN103746464 B CN 103746464B CN 201310736214 A CN201310736214 A CN 201310736214A CN 103746464 B CN103746464 B CN 103746464B
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Abstract
The invention discloses a kind of electric heater, comprise electric heater body and be arranged on the intrinsic electric-controlled plate of this electric heater and heater, electric-controlled plate is electrically connected with heater, in addition, this electric heater also comprises wireless power supply system, this wireless power supply system comprises electric supply installation and current-collecting device, wherein: electric supply installation is arranged on the outside of electric heater body and is separated with electric heater body, also transmits for receiving the electric power provided to it electric power received; Current-collecting device is arranged on electric heater body, for receiving the electric power that transmitted from electric supply installation by magnetic field variations relation or electromagnetic induction and the electric power received being supplied to electric-controlled plate.The invention also discloses a kind of wireless power control method of electric heater.Power relative to existing contact, be not only not easy the phenomenon occurring electric leakage and short circuit, improve the safety in utilization in bathroom environment, and be not easy the phenomenon occurring corrosion and ageing, improve the reliability of power supply.
Description
Technical field
The present invention relates to technical field of water heaters, especially relate to the wireless power control method of a kind of electric heater and electric heater.
Background technology
As everyone knows, electric heater is on the market all by setting up electrical connection between wired mode and civil power, namely a power line with attaching plug is drawn from electric heater body, and attaching plug is plugged on corresponding wall socket, realize the normal power supply of electric heater, to maintain the normal use of electric heater.But, electric heater is usually placed in bathroom, and attaching plug is outside exposed, in bathing experience, the sputtering of the water that attaching plug is easily subject to and erosion, therefore the security incidents such as electric leakage, short circuit are easily caused, thus the personal safety of user is constituted a threat to, particularly children, nature are vivaciously active, shower water can be sprayed to surrounding in bathing experience, the supply power mode of this version is difficult to ensure Electrical Safety.In addition, the contact of attaching plug is outside exposed, easily occurs the phenomenon that surface oxidation corrodes, thus cause loose contact in the bathroom environment that humidity is larger.
Foregoing, only for auxiliary understanding technical scheme of the present invention, does not represent and admits that foregoing is prior art.
Summary of the invention
Main purpose of the present invention is the wireless power control method providing a kind of electric heater and electric heater, is intended to make the supply power mode of electric heater safe and reliable.
For achieving the above object, the invention provides a kind of electric heater, it comprises electric heater body and is arranged on the intrinsic electric-controlled plate of this electric heater and heater, described electric-controlled plate is electrically connected with described heater, in addition, this electric heater also comprises wireless power supply system, and described wireless power supply system comprises electric supply installation and current-collecting device, wherein:
Described electric supply installation is arranged on the outside of described electric heater body and is separated with described electric heater body, also transmits for receiving the electric power provided to it electric power received;
Described current-collecting device is arranged on described electric heater body, for receiving the electric power that transmitted from described electric supply installation by magnetic field variations relation or electromagnetic induction and the electric power received being supplied to described electric-controlled plate.
Preferably, described electric supply installation comprises the first resonant element, and described current-collecting device comprises the second resonant element, and described first resonant element and described second resonant element are oppositely arranged and are formed by coil.
Preferably, described electric supply installation also comprises RF Amplifier Module, and described RF Amplifier Module is for receiving the electric power that provides to it and transmitting described electric power to described first resonant element.
Preferably, described electric heater also comprises detection module and reminding module, described detection module for detecting the delivery of electrical energy efficiency between described electric supply installation and described current-collecting device, described reminding module under the control of described electric-controlled plate for described delivery of electrical energy efficiency is shown.
Preferably, described electric heater also comprises power supply apparatus for adjusting position, and described power supply apparatus for adjusting position is arranged on described electric supply installation for the position changing relatively described second resonant element of described first resonant element; Or described power supply apparatus for adjusting position is arranged on described current-collecting device for the position changing relatively described first resonant element of described second resonant element.
Preferably, described current-collecting device also comprises rectification module, and electric power is supplied to described electric-controlled plate via described rectification module by described second resonant element.
Preferably, described electric heater also comprises electrical storage device, and described electrical storage device is electrically connected with described electric-controlled plate.
Preferably, the periphery of described electric supply installation and described current-collecting device is respectively arranged with electromagnetic screen.
The present invention further provides a kind of wireless power control method of electric heater, the wireless power control method of described electric heater comprises the following steps:
When described electric heater starts, detection module detects the delivery of electrical energy efficiency between electric supply installation and current-collecting device;
Described delivery of electrical energy efficiency and preset value compare by electric-controlled plate, and judge whether described delivery of electrical energy efficiency is less than described preset value;
If described delivery of electrical energy efficiency is less than described preset value, then described electric-controlled plate control reminding module prompting user starts the relative position that power supply apparatus for adjusting position regulates the first resonant element and the second resonant element.
The present invention further provides a kind of wireless power control method of electric heater, and the wireless power control method of described electric heater comprises the following steps:
The state of electric-controlled plate Real-time Obtaining electrical storage device and described electric heater;
When described electrical storage device be not in electric energy store full state and electric heater is not in heated condition time, then described electric-controlled plate controls current-collecting device and provides electric power to described electrical storage device.
Preferably, the state of current-collecting device described in described electric-controlled plate Real-time Obtaining; When described current-collecting device is in electrical connection off-state and described electric heater is in heated condition, then described electric-controlled plate controls described electrical storage device and provides electric power to heater, and controls the dump energy of reminding module to described electrical storage device and show.
Preferably, when described electrical storage device be in electric energy store full state time, then described electric-controlled plate controls reminding module prompting user and disconnects electrical connection between electric supply installation and civil power.
Preferably, described when described electrical storage device be in electric energy store full state time, then described electric-controlled plate controls also to comprise after reminding module prompting user disconnects the step of the electrical connection between electric supply installation and civil power: described electric-controlled plate disconnects the electrical connection between described electrical storage device and heater.
The wireless power control method of a kind of electric heater provided by the present invention and electric heater, by wireless power supply system, electric heater is powered, power relative to existing contact, not only be not easy the phenomenon occurring electric leakage and short circuit, improve the safety in utilization in bathroom environment, and be not easy the phenomenon occurring corrosion and ageing, improve the reliability of power supply.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric heater preferred embodiment of the present invention;
Fig. 2 is the high-level schematic functional block diagram of electric heater shown in Fig. 1;
The schematic flow sheet of wireless power control method first embodiment that Fig. 3 is electric heater shown in Fig. 1;
The schematic flow sheet of wireless power control method second embodiment that Fig. 4 is electric heater shown in Fig. 1;
The schematic flow sheet of wireless power control method the 3rd embodiment that Fig. 5 is electric heater shown in Fig. 1;
The schematic flow sheet of wireless power control method the 4th embodiment that Fig. 6 is electric heater shown in Fig. 1;
The schematic flow sheet of wireless power control method the 5th embodiment that Fig. 7 is electric heater shown in Fig. 1.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The invention provides a kind of electric heater, it can be storage-type electric water heater, also can be instant electric water heater, or adopt other any suitable electric heaters of electric energy heating water body, see Fig. 1 and Fig. 2, in one embodiment, this electric heater is storage-type electric water heater, and this storage-type electric water heater comprises electric heater body 10 and the electric-controlled plate 11 that is arranged in this electric heater body 10 and heater 12.Particularly, this electric heater body 10 comprises shell, inner bag, water inlet pipe, outlet pipe and sewage draining exit, the cylindrical shape of inner bag roughly in longitudinal extension, and be contained in shell, the thermal insulation layer (such as foam) for being incubated is filled with between inner bag and shell, sewage outfalls setting is in the bottom of inner bag, and manual blowdown valve is installed, one end of water inlet pipe and outlet pipe is stretched in inner bag, and be fixedly mounted on the bottom of inner bag, electric-controlled plate 11 is electrically connected with heater 12, the heating part of heater 12 is heating tube, effective heating part of heating tube stretches into the ad-hoc location in inner bag, for the water body in heating inner liner.Be understandable that, electric heater body 10 is not limited only to above-mentioned building block, and the particular location relation between each building block is also not limited only to above-mentioned explanation, this electric heater body 10 also comprises other associated components known by those skilled in the art, thus form a storage-type electric water heater that is complete, that can normally use, therefore not to repeat here.
As everyone knows, storage-type electric water heater is arranged in bathroom usually, to simplify the arrangement of pipeline and user-friendly.But for the storage-type electric water heater that existing employing contact is powered, it is connected with the socket of bathroom body of wall by the power line carried, to realize the normal power supply of storage-type electric water heater.Because attaching plug is outside exposed, in bathing experience, the sputtering of the water that attaching plug is easily subject to and erosion, therefore cause the security incidents such as electric leakage, short circuit, thus constitute a threat to the personal safety of user.In order to make supply power mode safe and reliable, this storage-type electric water heater also comprises wireless power supply system 20, and this wireless power supply system 20 comprises electric supply installation 21 and current-collecting device 22.Wherein, electric supply installation 21 is arranged on the outside of electric heater body 10 and is separated with electric heater body 10, also transmits for receiving the electric power provided to it electric power received; Current-collecting device 22 is arranged on electric heater body 10, for receiving the electric power that transmitted from electric supply installation 21 by magnetic field variations relation or electromagnetic induction and the electric power received being supplied to electric-controlled plate 11.
In better embodiment of the present invention, electric supply installation 21 is arranged on body of wall, particularly, electric supply installation 21 can be embedded in described body of wall, also the surface of described body of wall can be arranged in, and keep suitable distance with electric heater body 10, and the power input of electric supply installation 21 exchanges with AC() power supply 30(is for family of domestic consumer, this AC power is introduce indoor civil power) be connected.
In better embodiment of the present invention, current-collecting device 22 is arranged on the inside of electric heater body 10, is specifically positioned on an end face of electric heater body 10.Certainly, in other embodiments of the invention, current-collecting device 22 also can be arranged on other any suitable positions of electric heater body 10, such as, electric heater body 10 is arranged on the outside of electric heater body 10, and is positioned at wherein on an end face, and therefore not to repeat here.
It should be noted that, be coupled consumingly mutually by magnetic field variations relation or electromagnetic induction with current-collecting device 22 to make electric supply installation 21, thus the electric power that provided by AC power supplies 30 of wireless transmission efficiently, electric supply installation 21 and current-collecting device 22 should just to settings, and air line distance between the two should remain in suitable scope, such as, the value between 0.1m ~ 1.3m of the air line distance between electric supply installation 21 and current-collecting device 22.
When starting storage-type electric water heater, electric power is supplied to electric supply installation 21 by AC power supplies 30, then current-collecting device 22 for driving load is transferred to by the coupling based on magnetic field variations relation or electromagnetic induction via electric supply installation 21, current-collecting device 22 by obtain electric power transfer to electric-controlled plate 11, electric-controlled plate 11 according to actual needs by the electric power transfer that is provided to heater 12, such as, when storage-type electric water heater is in heated condition, supply electrical power to heater 12, for the water body in heating inner liner; Or, when storage-type electric water heater is in standby keeping warm mode, supply electrical power to heater 12, for the water body in heating inner liner.As can be seen here, powered by wireless power supply system 20 pairs of storage-type electric water heaters, power relative to existing contact, not only be not easy the phenomenon occurring electric leakage and short circuit, improve the safety in utilization in bathroom environment, and be not easy the phenomenon occurring corrosion and ageing, improve the reliability of power supply, meanwhile, electric heater body 10, no longer with power line, makes electric heater body 10 more succinctly attractive in appearance.
In the present embodiment, electric supply installation 21 comprises the first resonant element 211, and current-collecting device 22 comprises the second resonant element 221, first resonant element 211 and the second resonant element 221 is oppositely arranged and is formed by coil.In better embodiment of the present invention, be described for the electric power that electric supply installation 21 is supplied to current-collecting device 22 wireless transmission AC power supplies 30 by magnetic field variations relation, first resonant element 211 and the second resonant element 221 adopt copper wire winding to form, and be annular air core coil, therefore can the electric power that supplied by the first resonant element 211 of wireless transmission efficiently, or described annular air core coil is formed by other any suitable metallic conduction wire rod coilings.When storage-type electric water heater be in use electricity condition time, first resonant element 211 produces the magnetic field of characteristic frequency, and make the first resonant element 211 consistent each other with the self-resonant frequency of the second resonant element 221, thus set up the magnetic resonance relation that the second resonant element 221 effectively receives electric power, wherein, the while that coupling amount being maximum, loss is minimum, achieves the Wireless power transmission between the first resonant element 211 and the second resonant element 221.It should be noted that, first resonant element 211 and the second resonant element 221 can be determined according to actual needs by the number of turn of metal wire rod coiling and diameter, to meet the electric power requirement of storage-type electric water heater, ensure that the coupling amount of magnetic resonance is maximum and loss is minimum simultaneously.
Further, electric supply installation 21 also comprises RF Amplifier Module 212, and this RF Amplifier Module 212 is for receiving the electric power that provides to it and transmitting described electric power to the first resonant element 211.Particularly, the input of RF Amplifier Module 212 is electrically connected with AC power supplies 30, and its output is electrically connected with the first resonant element 211.Storage-type electric water heater be in use electricity condition time, the electric power that AC power supplies 30 supplies processes by RF Amplifier Module 212, and produce the High frequency power (AC electric power) being used for wireless power transmission, then this High frequency power is transferred to the first resonant element 211 as transmitting terminal, first resonant element 211 is coupled with the second resonant element 221 consumingly by magnetic resonance relation, thus realize the high efficiency wireless transmission of electric power, meet the power reguirements of storage-type electric water heater, make the supply power mode of storage-type electric water heater safe and reliable.
Further, current-collecting device 22 also comprises rectification module 222, and electric power is supplied to electric-controlled plate 11 via this rectification module 222 by the second resonant element 221.Particularly, the input of rectification module 222 is electrically connected with the second resonant element 221, and the output of rectification module 222 is electrically connected with electric-controlled plate 11.Storage-type electric water heater be in use electricity condition time, second resonant element 221 by the AC electric power transfer that receives to rectification module 222, through the rectification process of rectification module 222, AC electric power is converted to direct current power (DC electric power), be then supplied to electric-controlled plate 11 and use.It is worth mentioning that, after rectification module 222, can also set up voltage regulator circuit (not shown), the DC electric power provided by rectification module 222 is converted to the voltage of the specification of the electronic installation being suitable for supply target.Therefore, by providing direct current to electric-controlled plate 11, electronic component integrated on electric-controlled plate 11 can be made stability and high efficiency more to work, reduce the failure rate of electric-controlled plate 11, ensure that storage-type electric water heater is durable for a long time.
Further, this storage-type electric water heater also comprises detection module 13 and reminding module 14, this detection module 13 for detecting the delivery of electrical energy efficiency between electric supply installation 21 and current-collecting device 22, this reminding module 14 under the control of electric-controlled plate 11 for measured delivery of electrical energy efficiency is shown.Particularly, detection module 13 and reminding module 14 are electrically connected with electric-controlled plate 11 respectively, and the data measured by it are sent to electric-controlled plate 11, via the analyzing and processing of electric-controlled plate 11 by detection module 13, then result is sent to reminding module 14 by electric-controlled plate 11, to show measured result.In better embodiment of the present invention, this reminding module 14 is LCD display, and is highlighted on the guidance panel (not shown) of electric heater body 10, thus shows the various state informations of storage-type electric water heater to user better.Under normal circumstances, user cannot actual power efficiency of transmission directly between perception electric supply installation 21 and current-collecting device 22, therefore continue when delivery of electrical energy efficiency is lower to use storage-type electric water heater that heating time can be caused long, and the phenomenon that power consumption is excessive.When user's initial start-up storage-type electric water heater, detection module 13 detects the delivery of electrical energy efficiency between electric supply installation 21 and current-collecting device 22, and is shown by reminding module 14, thus informs user.When delivery of electrical energy efficiency is lower than preset value (such as 60%), user should adjust relative position between the first resonant element 211 and the second resonant element 221 (such as, distance, axiality and angle), strong magnetic resonance coupled relation is formed to make the first resonant element 211 and the second resonant element 221, thus improve delivery of electrical energy efficiency, meet instructions for use.
Further, this storage-type electric water heater also comprises power supply apparatus for adjusting position (not shown), and this power supply apparatus for adjusting position is arranged on the position for relative second resonant element 221 of change first resonant element 211 on electric supply installation 21; Or this power supply apparatus for adjusting position is arranged on the position for relative first resonant element 211 of change second resonant element 221 on current-collecting device 22.It should be noted that, in the present embodiment, the relative position of the first resonant element 211 and the second resonant element 221 comprises air line distance, axiality (the first resonant element 211 and the second resonant element 221 for annular is arranged) and angle between the two, by regulating the relative position between the first resonant element 211 and the second resonant element 221, can make, between the first resonant element 211 and the second resonant element 221, there is strong coupled relation, further raising delivery of electrical energy efficiency, reduce unnecessary loss (such as coil heat energy), thus saves energy.In better embodiment of the present invention, power supply apparatus for adjusting position has a mounting bracket (not shown), this mounting bracket is driven by multiple motor, and can multi-direction translation and rotation be carried out, first resonant element 211 or the second resonant element 221 are fixedly mounted on this mounting bracket, thus realize the relative position between adjustment first resonant element 211 and the second resonant element 221.Corresponding to the present embodiment, the present invention proposes a kind of wireless power control method of electric heater simultaneously.
See Fig. 3, the first embodiment of the wireless power control method of this electric heater comprises the following steps:
Step S10, when storage-type electric water heater starts.
In this step S10, under normal circumstances, the electrical connection between AC power supplies 30 and electric supply installation 21 is connected by user, such as, closed for electric knife switch or air switch etc., and by the respective keys of the control panel of operation storage-type electric water heater to realize the startup of storage-type electric water heater.
Step S11, detection module 13 detects the delivery of electrical energy efficiency between electric supply installation 21 and current-collecting device 22.
In this step S11, after user starts storage-type electric water heater, now detection module 13 obtains corresponding data, and is transferred to electric-controlled plate 11, and the related data of electric-controlled plate 11 to actual measurement carries out analyzing and processing, thus generating electric energy efficiency of transmission.
Step S12, judges whether delivery of electrical energy efficiency is less than preset value.
In this step S12, above-mentioned delivery of electrical energy efficiency and preset value compare by electric-controlled plate 11, and in the present embodiment, preset value can be determined according to actual needs, and such as, setting preset value is 60% or higher, and adopts the mode that can repeat to wipe to write in electric-controlled plate 11.
Step S13, electric-controlled plate 11 controls reminding module 14 and points out user to start power supply apparatus for adjusting position to regulate the relative position of the first resonant element 211 and the second resonant element 221.
In this step S13, when delivery of electrical energy efficiency is less than preset value, electric-controlled plate 11 sends current delivery of electrical energy efficiency to reminding module 14, shown by reminding module 14 pairs of delivery of electrical energy efficiency, control reminding module 14 simultaneously and show corresponding information, the relative position that power supply apparatus for adjusting position regulates the first resonant element 211 and the second resonant element 221 is started to point out user, user regulates the relative position of the first resonant element 211 and the second resonant element 221 by manipulation power supply apparatus for adjusting position, until the delivery of electrical energy efficiency measured by detection module 13 is more than or equal to preset value, thus make the first resonant element 211 and the second resonant element 221 form strong magnetic resonance coupled relation, thus improve delivery of electrical energy efficiency, meet instructions for use.
In the present embodiment, this storage-type electric water heater also comprises electrical storage device 15, and this electrical storage device 15 is electrically connected with electric-controlled plate 11.In better embodiment of the present invention, electrical storage device 15 at least comprises a storage battery or batteries, and storage battery can be lead acid accumulator, also can be the battery of lithium battery or other any suitable repeated discharge and recharges.Preferably, the electrical storage device 15 of the present embodiment comprises a lithium battery group, therefore when equal volume and weight, can put aside more electric energy, meets the demand of high-power and long-time use.By being provided with electrical storage device 15 on storage-type electric water heater, when AC power supplies 30 does not provide electric power to electric supply installation 21, the storage-type electric water heater being in normal operating conditions can provide the electric power needed for it by electrical storage device 15 within a period of time, thus meet the bathing needs of user, improve the applicable ability of storage-type electric water heater.Corresponding to the present embodiment, the present invention proposes a kind of wireless power control method of electric heater simultaneously.
See Fig. 4, the second embodiment of the wireless power control method of this electric heater comprises the following steps:
Step S20, the state of electric-controlled plate 11 Real-time Obtaining electrical storage device 15 and storage-type electric water heater.
In this step S20, particularly, whether electric-controlled plate 11 Real-Time Monitoring electrical storage device 15 is in electric energy stores full state, and whether storage-type electric water heater is in heated condition.
Step S21, when electrical storage device 15 be not in electric energy store full state and storage-type electric water heater is not in heated condition time, then electric-controlled plate 11 controls current-collecting device 22 and provides electric power to electrical storage device 15.
In this step S21, be understandable that, be limited to the development of wireless power technology, compared with the power that the wireless power supply system 20 of the present embodiment can transmit cannot be powered with contact, therefore, in order to ensure that the storage-type electric water heater being in heated condition can normally work, even if now electrical storage device 15 is not in electric energy and stores full state, electric-controlled plate 11 also can not control current-collecting device 22 and provide electric power to electrical storage device 15, so that electrical storage device 15 is stored full electricity.Only when storage-type electric water heater is in holding state, and when heater 12 is not in heated condition, just electric energy is supplied to electrical storage device 15, thus electrical storage device 15 is full of electricity.Therefore, this wireless power pattern can not increase the load of wireless power supply system 20 at short notice, guarantees that wireless power supply system 20 and storage-type electric water heater reliablely and stablely work.
See Fig. 5, the second embodiment of the wireless power control method of this electric heater is further comprising the steps of:
Step S22, the state of electric-controlled plate 11 Real-time Obtaining current-collecting device 22.
In this step S22, the state of current-collecting device 22 comprises status of electrically connecting and electrical connection off-state, when current-collecting device 22 is in status of electrically connecting, electric supply installation 21 Absorbable organic halogens ground by magnetic field variations relation or electromagnetic induction to current-collecting device 22 Wireless power transmission; When current-collecting device 22 is in electrical connection off-state, electric supply installation 21 connects to the separated corresponding magnetic Field Coupling of current-collecting device 22, and such as, AC power supplies 30 does not provide electric power to electric supply installation 22.
Step S23, when current-collecting device 22 is in electrical connection off-state and storage-type electric water heater is in heated condition, then electric-controlled plate 11 controls electrical storage device 15 and provides electric power to heater 12, and the dump energy controlling reminding module 14 pairs of electrical storage devices 15 shows.
In this step S23, when current-collecting device 22 is in electrical connection off-state, if user uses storage-type electric water heater, and storage-type electric water heater is in heated condition, now electrical storage device 15 provides electric power to electric-controlled plate 11 and heater 12, therefore can maintain the normal use of storage-type electric water heater within a period of time.Meanwhile, the dump energy that electric-controlled plate 11 controls reminding module 14 pairs of electrical storage devices 15 shows, and to inform user, thus reminding user holds the time using storage-type electric water heater, has more hommization.
See Fig. 6, the second embodiment of the wireless power control method of this electric heater is further comprising the steps of:
Step S24, the state of electric-controlled plate 11 Real-time Obtaining electrical storage device 15.
In this step S24, the state of electrical storage device 15 comprises electric energy and stores full state and electric energy does not store full state.
Step S25, when electrical storage device 15 be in electric energy store full state time, then electric-controlled plate 11 controls reminding module 14 and points out user to disconnect electrical connection between electric supply installation 21 and civil power.
In this step S25, when user does not use storage-type electric water heater for a long time, in order to saves energy, wireless power supply system 20 can be disconnected the electrical connection between AC power supplies 30.Particularly, user should disconnect the power supply of whole storage-type electric water heater again after electrical storage device 15 is full of electricity, when AC power supplies 30 cannot be powered, to ensure that storage-type electric water heater normally can also use within a period of time, meets the demand of practicality.
See Fig. 7, further comprising the steps of after step s25:
Step S26, electric-controlled plate 11 disconnects the electrical connection between electrical storage device 15 and heater 12.
In this step S26, in order to save electric energy further, force the power supply AC power supplies 30 of disconnection of wireless electric power system 20 user after, electric-controlled plate 11 disconnects the electrical connection between electrical storage device 15 and heater 12, thus guarantees that electrical storage device 15 there will not be the situation of high-power output electric energy.
In addition, on the basis of above embodiment, the periphery of electric supply installation 21 and current-collecting device 22 is respectively arranged with electromagnetic screen (not shown).In the present embodiment, this electromagnetic screen can be formed at the coating for EMI shielding on the shell of electric supply installation 21 and current-collecting device 22, also can be the relevant electromagnetic shielding shell covering at electric supply installation 21 and current-collecting device 22, thus reduce the electromagnetic radiation of wireless power supply system 20, make storage-type electric water heater meet associated safety and use standard, guarantee the human-body safety of user.It should be noted that, the electromagnetic screen set up should not reduce the delivery of electrical energy efficiency between electric supply installation 21 and current-collecting device 22.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.
Should be understood that; these are only the preferred embodiments of the present invention; can not therefore limit the scope of the claims of the present invention; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (11)
1. an electric heater, comprise electric heater body and be arranged on the intrinsic electric-controlled plate of this electric heater and heater, described electric-controlled plate is electrically connected with described heater, it is characterized in that, this electric heater also comprises wireless power supply system, described wireless power supply system comprises electric supply installation and current-collecting device, wherein:
Described electric supply installation is arranged on the outside of described electric heater body and is separated with described electric heater body, also transmits for receiving the electric power provided to it electric power received;
Described current-collecting device is arranged on described electric heater body, for receiving the electric power that transmitted from described electric supply installation by magnetic field variations relation or electromagnetic induction and the electric power received being supplied to described electric-controlled plate;
Described electric supply installation comprises the first resonant element, and described current-collecting device comprises the second resonant element, and described first resonant element and described second resonant element are oppositely arranged and are formed by coil;
Described electric heater also comprises power supply apparatus for adjusting position, and described power supply apparatus for adjusting position is arranged on described electric supply installation for the position changing relatively described second resonant element of described first resonant element; Or described power supply apparatus for adjusting position is arranged on described current-collecting device for the position changing relatively described first resonant element of described second resonant element.
2. electric heater as claimed in claim 1, it is characterized in that, described electric supply installation also comprises RF Amplifier Module, and described RF Amplifier Module is for receiving the electric power that provides to it and transmitting described electric power to described first resonant element.
3. electric heater as claimed in claim 1 or 2, it is characterized in that, described electric heater also comprises detection module and reminding module, described detection module for detecting the delivery of electrical energy efficiency between described electric supply installation and described current-collecting device, described reminding module under the control of described electric-controlled plate for described delivery of electrical energy efficiency is shown.
4. electric heater as claimed in claim 1, it is characterized in that, described current-collecting device also comprises rectification module, and electric power is supplied to described electric-controlled plate via described rectification module by described second resonant element.
5. electric heater as claimed in claim 4, it is characterized in that, described electric heater also comprises electrical storage device, and described electrical storage device is electrically connected with described electric-controlled plate.
6. the electric heater according to any one of claim 1 to 2,4 to 5, is characterized in that, the periphery of described electric supply installation and described current-collecting device is respectively arranged with electromagnetic screen.
7. a wireless power control method for electric heater, is characterized in that, the method is applicable to electric heater according to claim 1, and the wireless power control method of described electric heater comprises the following steps:
When described electric heater starts, detection module detects the delivery of electrical energy efficiency between electric supply installation and current-collecting device;
Described delivery of electrical energy efficiency and preset value compare by electric-controlled plate, and judge whether described delivery of electrical energy efficiency is less than described preset value;
If described delivery of electrical energy efficiency is less than described preset value, then described electric-controlled plate control reminding module prompting user starts the relative position that power supply apparatus for adjusting position regulates the first resonant element and the second resonant element.
8. a wireless power control method for electric heater, is characterized in that, the method is applicable to electric heater according to claim 5, and the wireless power control method of described electric heater comprises the following steps:
The state of electric-controlled plate Real-time Obtaining electrical storage device and described electric heater;
When described electrical storage device be not in electric energy store full state and electric heater is not in heated condition time, then described electric-controlled plate controls current-collecting device and provides electric power to described electrical storage device.
9. the wireless power control method of electric heater as claimed in claim 8, is characterized in that, also comprise:
The state of current-collecting device described in described electric-controlled plate Real-time Obtaining;
When described current-collecting device is in electrical connection off-state and described electric heater is in heated condition, then described electric-controlled plate controls described electrical storage device and provides electric power to heater, and controls the dump energy of reminding module to described electrical storage device and show.
10. the wireless power control method of electric heater as claimed in claim 8, is characterized in that, also comprise:
When described electrical storage device be in electric energy store full state time, then described electric-controlled plate controls reminding module prompting user and disconnects electrical connection between electric supply installation and civil power.
The wireless power control method of 11. electric heaters as claimed in claim 10, it is characterized in that, described when described electrical storage device be in electric energy store full state time, then described electric-controlled plate controls also to comprise after reminding module prompting user disconnects the step of the electrical connection between electric supply installation and civil power:
Described electric-controlled plate disconnects the electrical connection between described electrical storage device and heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310736214.0A CN103746464B (en) | 2013-12-26 | 2013-12-26 | The wireless power control method of electric heater and electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN105674571B (en) * | 2016-01-05 | 2018-08-17 | 芜湖美的厨卫电器制造有限公司 | Wireless power electric heater and its power control device and method |
| CN109140783A (en) * | 2017-06-28 | 2019-01-04 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater |
| CN109494847A (en) * | 2019-01-02 | 2019-03-19 | 深圳市蓝禾技术有限公司 | The charging method of wireless charger and wireless charger |
| CN112205860B (en) * | 2019-07-09 | 2023-01-13 | 佛山市顺德区美的电热电器制造有限公司 | Cooking pot of cooking utensil and cooking utensil |
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| CN201199640Y (en) * | 2008-04-18 | 2009-02-25 | 厦门灿坤实业股份有限公司 | Induction type power supply structure and apparatus thereof |
| CN102157987B (en) * | 2011-03-08 | 2016-03-09 | 韩丽 | A kind of contactless high-power energy transmission system and application |
| WO2013094174A1 (en) * | 2011-12-20 | 2013-06-27 | パナソニック株式会社 | Non-contact power supply apparatus and non-contact power transmission system |
| CN202424320U (en) * | 2012-01-13 | 2012-09-05 | 赵国樑 | Wireless transmission equipment |
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Effective date of registration: 20220901 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. |