CN111614168A - Wireless power supply device and electrical equipment - Google Patents
Wireless power supply device and electrical equipment Download PDFInfo
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- CN111614168A CN111614168A CN201910143808.8A CN201910143808A CN111614168A CN 111614168 A CN111614168 A CN 111614168A CN 201910143808 A CN201910143808 A CN 201910143808A CN 111614168 A CN111614168 A CN 111614168A
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- 230000008878 coupling Effects 0.000 description 5
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- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 229910000859 α-Fe Inorganic materials 0.000 description 4
- 230000004323 axial length Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2823—Wires
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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Abstract
Disclosed are a wireless power supply device and an electrical apparatus, wherein the wireless power supply device (100) of the electrical apparatus comprises: a first module (10), the first module (10) comprising: a first housing (13), and a first coil assembly, the first coil assembly being enclosed in the first housing (13); and a second module (20), the second module (20) comprising: a second housing (23), and a second coil assembly enclosed in the second housing (23); wherein the first module (10) is formed with a receiving portion (30, 30 '), and the second module (20) is rotatably mounted in the receiving portion (30, 30') such that the second coil assembly is electromagnetically coupled with the first coil assembly. The wireless power supply device reduces the complexity of assembly and disassembly.
Description
Technical Field
Embodiments of the present disclosure relate to a wireless power supply device, and particularly, to a wireless power supply device and an electrical apparatus having the same.
Background
In the household electrical appliance, the body and the cover are usually two separate parts, and since the cover is often integrated with functions such as display and control, it is necessary to transmit current from the body to the cover. The existing wireless power supply device generally adopts a form that one cylindrical hollow coil is nested inside another cylindrical solid coil, the structure is simple, and the coupling degree between the two coils is high. However, this structure is difficult to mount and dismount, and a sufficient space must be reserved in the coil axial direction for mounting and dismounting.
Disclosure of Invention
An object of the present disclosure is to solve at least one aspect of the above problems and disadvantages in the related art.
According to an embodiment of an aspect of the present disclosure, there is provided a wireless power supply apparatus including:
a first module, the first module comprising:
a first housing, and
a first coil assembly enclosed in the first housing; and
a second module, the second module comprising:
a second housing, and
a second coil assembly enclosed in the second housing;
wherein the first module is formed with a receiving portion, and the second module is rotatably installed in the receiving portion such that the second coil assembly is electromagnetically coupled with the first coil assembly.
According to the wireless power supply apparatus of an embodiment of the present disclosure, one of the first module and the second module functions as a transmission module, and the other of the first module and the second module functions as a reception module.
According to a wireless power supply apparatus of an embodiment of the present disclosure, the first coil component includes:
a first magnetic core formed as a support structure having an arc-shaped radial cross section, the support structure having an interior in which the receiving portion is formed; and
a first coil winding disposed on an inner surface of the first magnetic core, a winding shape of the first coil winding being rectangular in an unfolded state.
According to the wireless power supply device of one embodiment of the present disclosure, the arc corresponds to a central angle α, where 180 ° < α < 360 °.
According to a wireless power supply apparatus of an embodiment of the present disclosure, the second coil component includes:
a second magnetic core having a cylindrical structure and rotatably mounted inside the support structure, the cylindrical structure being disposed coaxially with the support structure; and
a second coil winding disposed on an outer side surface of the second magnetic core, a winding shape of the second coil winding being rectangular in an unfolded state.
According to the wireless power supply device of one embodiment of the present disclosure, when the second module functions as a reception module, the second coil winding includes a plurality of sub-coil windings that are distributed at intervals in a circumferential direction of the second magnetic core, and that are distributed at intervals in an axial direction of the second magnetic core.
According to the wireless power supply apparatus of an embodiment of the present disclosure, the plurality of sub-coil windings are electrically connected to each other.
According to the wireless power supply device of one embodiment of the present disclosure, the plurality of sub-coil windings are respectively connected with the output circuit through the changeover switch to connect the sub-coil winding having the largest current among the plurality of sub-coil windings with the output circuit.
According to an embodiment of the present disclosure, the first module further includes a first mounting mechanism, and the first mounting mechanism is fixed to the first housing.
According to a wireless power supply of an embodiment of the present disclosure, the first mounting mechanism includes a connecting plate extending in a plane parallel to an axis of the first magnetic core.
According to a wireless power supply apparatus of an embodiment of the present disclosure, the first coil component includes:
the first magnetic core comprises a first winding part and a second winding part which are arranged at intervals, and a gap between the first winding part and the second winding part forms the accommodating part;
a first coil sub-winding wound on the first winding part; and
a second coil sub-winding wound on the second winding part, and the first and second coil sub-windings are electrically connected to each other.
According to the wireless power supply device of an embodiment of the present disclosure, the first winding portion and the second winding portion are both cylindrical, and the first winding portion and the second winding portion are coaxially disposed.
According to a wireless power supply apparatus of an embodiment of the present disclosure, the second coil component includes:
the second magnetic core is cylindrical and is arranged coaxially with the first magnetic core;
a second coil winding wound around the second magnetic core.
According to a wireless power supply device of an embodiment of the present disclosure, the first housing includes:
a first housing portion configured to enclose the first winding and the first coil sub-winding: and
a second housing portion configured to enclose the second winding and the second coil sub-winding.
According to a wireless power supply apparatus of an embodiment of the present disclosure, the first module further includes a first mounting mechanism, the first mounting mechanism including:
a first connection portion protruding outward from a surface of the first housing portion;
a second connecting portion protruding outward from a surface of the second housing portion; and
first fixing portions fixed to an end of the first connecting portion away from the first housing portion and an end of the second connecting portion away from the second housing portion, respectively.
According to the wireless power supply device of an embodiment of the present disclosure, the second module further includes:
a second mounting mechanism secured to the second housing.
According to a wireless power supply apparatus of an embodiment of the present disclosure, the second mounting mechanism includes:
a third connecting portion protruding outward from a surface of the second housing; and
a second fixing portion fixed to an end of the third connecting portion away from the second housing.
According to an embodiment of another aspect of the present disclosure, there is also provided an electrical device including:
a body;
the cover body is pivotally arranged on the machine body; and
according to the above wireless power supply apparatus, the first module is mounted on one of the body and the cover, and the second module is mounted on the other of the body and the cover.
According to the electric device of one embodiment of the present disclosure, the first module is mounted on the body, the second module is mounted on the cover, and the cover is pivotably connected to the body by rotatably mounting the second module of the wireless power supply device in the first module.
According to an embodiment of the present disclosure, the pivot axis of the cover is located at an edge of the electrical device.
According to the electric equipment of one embodiment of the disclosure, when the wireless power supply device is the wireless power supply device described above, the pivot axis of the cover body is located in the middle of the electric equipment.
According to the wireless power supply device and the electrical equipment of the various embodiments of the present disclosure, the first module is formed with the accommodating portion, so that the second module can be easily installed in the accommodating portion of the first module and can rotate relative to the first module, and the second coil assembly of the second module is electromagnetically coupled with the first coil assembly of the first module, so that power supply in a wireless manner is realized, and thus the assembling and disassembling complexity of the wireless power supply device is reduced.
Drawings
Other objects and advantages of the present disclosure will become apparent and a full understanding thereof may be had by the following description taken in conjunction with the accompanying drawings, in which:
fig. 1 is a perspective schematic view of a wireless power supply apparatus according to an exemplary embodiment of the present disclosure;
FIG. 2 is an exploded schematic view of the wireless power supply shown in FIG. 1;
fig. 3 is a perspective schematic view of a wireless power supply apparatus according to another exemplary embodiment of the present disclosure;
FIG. 4 is a schematic isometric view of a sink dishwasher according to an exemplary embodiment of the present disclosure;
FIG. 5 is an enlarged partial view of the sump dishwasher of FIG. 4;
FIG. 6 is a schematic view of the mounting of the housing and first module of the sump dishwasher shown in FIG. 4;
FIG. 7 is an enlarged partial view of the housing and first module of the sump dishwasher shown in FIG. 6;
FIG. 8 is a schematic view of the mounting of the cover and second module of the sump dishwasher of FIG. 6;
FIG. 9 is an enlarged partial view of the cover and second module of the sump dishwasher shown in FIG. 8;
fig. 10 is a perspective view of a wireless power supply apparatus according to yet another exemplary embodiment of the present disclosure;
FIG. 11 is a schematic isometric view of a sink dishwasher according to another exemplary embodiment of the present disclosure;
FIG. 12 is an enlarged partial view of the sump dishwasher of FIG. 11;
FIG. 13 is a schematic view of the mounting of the housing and first module of the sump dishwasher of FIG. 11;
FIG. 14 is an enlarged partial view of the housing and first module of the sump dishwasher shown in FIG. 13;
FIG. 15 is a schematic view of the mounting of the cover and second module of the sump dishwasher of FIG. 11;
FIG. 16 is an enlarged partial view of the cover and second module of the sump dishwasher shown in FIG. 15; and
fig. 17 is another installation schematic of a wireless power supply apparatus according to an exemplary embodiment of the present disclosure.
Detailed Description
While the present disclosure will be fully described with reference to the accompanying drawings, which contain preferred embodiments of the disclosure, it should be understood, prior to this description, that one of ordinary skill in the art can modify the inventions described herein while obtaining the technical effects of the present disclosure. Therefore, it should be understood that the foregoing description is a broad disclosure directed to persons of ordinary skill in the art, and that there is no intent to limit the exemplary embodiments described in this disclosure.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to one general technical concept of the present disclosure, there is provided a wireless power supply apparatus including: a first module, the first module comprising: a first housing, and a first coil assembly, the first coil assembly being enclosed in the first housing; and a second module, the second module comprising: a second housing, and a second coil assembly enclosed in the second housing; wherein the first module is formed with a receiving portion, and the second module is rotatably installed in the receiving portion such that the second coil assembly is electromagnetically coupled with the first coil assembly.
According to another general technical concept of the present disclosure, there is provided an electrical apparatus including: a body; the cover body is pivotally arranged on the machine body; and the wireless power supply device, wherein the first module is mounted on one of the body and the cover, and the second module is mounted on the other of the body and the cover.
Electrical appliances, such as sink dishwashers, typically include a housing, a cover, and a wireless power supply. The cover body is pivotally arranged on the machine body. The wireless power supply device comprises a transmitting module and a receiving module, wherein the transmitting module and the receiving module are respectively installed on the machine body and the cover body, a cable of a coil assembly of the transmitting module is connected with a main control system in the machine body of the electrical equipment, and a cable of a coil assembly of the receiving module is connected with a display screen, an operation switch or a button and other electric devices on the cover body of the electrical equipment. When the cover body is opened or closed, the coil assembly of the transmitting module and the coil assembly of the receiving module are electromagnetically coupled to generate current, so that the current is wirelessly transmitted from the body to the cover body to supply current to the electric device on the cover body.
Fig. 1 is a perspective schematic view of a wireless power supply 100 according to an exemplary embodiment of the present disclosure; and fig. 2 is an exploded schematic view of the wireless power supply apparatus 100 shown in fig. 1.
As shown in fig. 1 and 2, in the illustrated embodiment, the wireless power supply 100 includes a first module 10 and a second module 20. The first module 10 includes a first housing 13 and a first coil assembly, which is enclosed in the first housing 13. The second module 20 includes a second housing 23 and a second coil assembly enclosed in the second housing 23. Wherein, the first module 10 is formed with a receiving portion 30, and the second module 20 is rotatably installed in the receiving portion 30, so that the second coil assembly of the second module 20 is electromagnetically coupled with the first coil assembly of the first module 10 to realize wireless power supply to the electric device.
However, it should be noted that those skilled in the art should understand that both the first module 10 and the second module 20 can be used as a transmitting module or a receiving module. For example, when the first module 10 functions as a transmitting module, the second module 20 functions as a receiving module; when the first module 10 functions as a receiving module, the second module 20 functions as a transmitting module.
As shown in fig. 1 and 2, in the illustrated embodiment, the first coil assembly includes a first magnetic core 11 made of, for example, a ferrite magnetic sheet and a first coil winding 12. The first magnetic core 11 is formed as a support structure having an arc-shaped radial cross section, and the inside of the support structure forms the receiving portion 30. The first coil winding 12 is provided on the inner surface of the first magnetic core 11, and the winding shape of the first coil winding 12 is rectangular in the unfolded state. In addition, the central angle corresponding to the first coil winding 12 does not exceed the central angle corresponding to the first magnetic core 11.
As shown in fig. 1 and 2, in the illustrated embodiment, the arc shape corresponds to a central angle d, wherein 180 ° < α < 360 °, in which case, when the first module 10 and the second module 20 of the wireless power supply device 100 are respectively mounted on the body 41 and the cover 42 of the electrical apparatus, the wireless power supply device 100 can be used as a hinge shaft of the cover 42, wherein the second module 20 is used as a shaft core of the hinge shaft and the first module 10 is used as a shaft sleeve of the hinge shaft. However, it should be noted that, in some other embodiments of the present disclosure, α may have other values, such as 150 °, 120 °, etc.
As shown in fig. 1 and 2, in the illustrated embodiment, the second coil assembly comprises a second magnetic core 21, for example made of a ferrite magnetic sheet, and a second coil assembly 22, the second magnetic core 21 having a cylindrical structure and being rotatably mounted inside the support structure, the cylindrical structure being arranged coaxially with the support structure; the second coil winding 22 is provided on the outer side surface of the second magnetic core 21, and the winding shape of the second coil winding 22 is rectangular in the expanded state. The second coil winding 22 typically corresponds to a central angle of less than 180.
Fig. 3 is a perspective view of a wireless power supply 100 according to another exemplary embodiment of the present disclosure.
As shown in fig. 3, in the illustrated embodiment, when the second module 20 is used as a receiving module, the second coil winding 22 includes a plurality of sub-coil windings 22A, 22B, 22C, the plurality of sub-coil windings 22A, 22B, 22C are spaced apart in the circumferential direction of the second magnetic core 21, and the plurality of sub-coil windings 22A, 22B, 22C are spaced apart in the axial direction of the second magnetic core 21.
As shown in fig. 3, in the illustrated embodiment, the plurality of sub-coil windings 22A, 22B, 22C are connected to the output circuit through the changeover switches, respectively, to connect the sub-coil winding having the largest current among the plurality of sub-coil windings 22A, 22B, 22C to the output circuit to supply power to the load, and it is possible to realize non-intermittent power supply at 360 ° rotation of the receiving coil with respect to the transmitting coil.
However, it should be noted that in other embodiments of the present disclosure, the plurality of sub-coil windings 22A, 22B, 22C may also be electrically connected to each other.
FIG. 4 is a schematic isometric view of a sink dishwasher according to an exemplary embodiment of the present disclosure; FIG. 5 is an enlarged partial view of the sump dishwasher of FIG. 4; FIG. 6 is a schematic view of the mounting of the housing 41 and the first module 10 of the sump dishwasher shown in FIG. 4; FIG. 7 is an enlarged partial view of the housing 41 and the first module 10 of the sump dishwasher shown in FIG. 6; FIG. 8 is a schematic view of the mounting of the cover 42 and the second module 20 of the sump dishwasher shown in FIG. 6; and FIG. 9 is an enlarged partial view of the cover 42 and the second module 20 of the sump dishwasher shown in FIG. 8.
As shown in fig. 4-7, in the illustrated embodiment, the first module 10 further includes a first mounting mechanism 14, the first mounting mechanism 14 being secured to the first housing 13. This allows the first module 10 to be mounted on the housing 41 of the sink dishwasher by means of the first mounting means 14.
As shown in fig. 4 to 7, in the illustrated embodiment, the first mounting mechanism 14 includes a connecting plate that extends in a plane parallel to the axis of the first magnetic core 11. The connecting plate may be fixed to the body 41 by screws 50 through holes therein.
It should be noted that in other embodiments of the present disclosure, the first module 10 can be fixed to the body 41 or the cover 42 of the sink dishwasher by other means, such as a snap fit, an adhesive, etc.
As shown in fig. 4, 5, 8 and 9, in the illustrated embodiment, the second module 20 further includes a second mounting mechanism 24, the second mounting mechanism 24 being secured to the second housing 23.
As shown in fig. 4, 5, 8, and 9, in the illustrated embodiment, the second mounting mechanism 24 includes a plate-shaped third connecting portion 241 and a plate-shaped second fixing portion 242, the third connecting portion 241 projecting outward from the surface of the second housing 23; the second fixing portion 242 is fixed to an end of the third connecting portion 241 remote from the second housing 23. The second fixing portion 242 may be fixed to the cover 42 by a screw 50 passing through a through hole thereof.
It should be noted that in other embodiments of the present disclosure, the second module 20 can be fixed to the body 41 or the cover 42 of the sink dishwasher by other means, such as a snap fit, an adhesive, etc.
In addition, the wireless power supply device 100 in the embodiment shown in fig. 10 and 11 may also be used as the hinge shaft of the cover 42, in this case, for example, two ends of the second module 20 may respectively form a cylindrical coupling slot, and one end of the first module 10 close to the second module 20 is provided with a coupling portion inserted into the coupling slot and can rotate relative to the coupling slot. That is, the second module 20 serves as a shaft core of the hinge shaft, and the first module 10 serves as a shaft sleeve of the hinge shaft.
Fig. 10 is a perspective view of a wireless power supply device 100 according to yet another exemplary embodiment of the present disclosure.
As shown in fig. 10, in the illustrated embodiment, the first coil component includes a first magnetic core 11 made of, for example, a ferrite magnetic sheet, a first coil sub-winding 12A, and a second coil sub-winding 12B, the first magnetic core 11 includes a first winding portion 11A and a second winding portion 11B that are disposed at intervals, and a receiving portion 30 'is formed between the first winding portion 11A and the second winding portion 11B, that is, a gap between the first winding portion 11A and the second winding portion 11B forms a receiving portion 30'; the first coil sub-winding 12A is wound on the first winding portion 11A; the second coil sub-winding 12B is wound on the second winding portion 11B, and the winding directions of the first coil sub-winding 12A and the second coil sub-winding 12B are the same and electrically connected to each other so that the flowing directions of the electric currents in the first coil sub-winding 12A and the second coil sub-winding 12B are the same. In this way, when the second module 20 rotates relative to the first module 10, the second coil assembly of the second module 20 is electromagnetically coupled with the first coil assembly of the first module 10 to achieve wireless power supply to the electric device.
In one embodiment, the first coil sub-winding 12A and the second coil sub-winding 12B may be wound from a single wire (e.g., enameled wire). The first coil sub-winding 12A and the second coil sub-winding 12B may be formed by winding two independent wires, and then the first coil sub-winding 12A and the second coil sub-winding 12B may be connected in series by one wire.
As shown in fig. 10, in the illustrated embodiment, each of the first winding portion 11A and the second winding portion 11B has a cylindrical shape, and the first winding portion 11A and the second winding portion 11B are coaxially arranged. The first winding portion 11A and the second winding portion 11B are equal in both diameter and axial length. The first coil sub-winding 12A and the second coil sub-winding 12B are equal in outer diameter and axial length.
As shown in fig. 10, in the illustrated embodiment, the second coil assembly includes a second magnetic core 21 made of, for example, a ferrite magnetic sheet and a second coil winding 22. The second magnetic core 21 has a cylindrical shape, and the second magnetic core 21 is disposed coaxially with the first magnetic core 11. The second coil winding 22 is wound around the second magnetic core 21.
FIG. 11 is a schematic isometric view of a sink dishwasher according to another exemplary embodiment of the present disclosure; FIG. 12 is an enlarged partial view of the sump dishwasher of FIG. 11; FIG. 13 is a schematic view of the mounting of the housing 41 and the first module 10 of the sump dishwasher shown in FIG. 11; FIG. 14 is an enlarged partial view of the housing 41 and the first module 10 of the sump dishwasher shown in FIG. 13; FIG. 15 is a schematic view of the mounting of the cover 42 and the second module 20 of the sump dishwasher of FIG. 11; FIG. 16 is an enlarged partial view of the cover 42 and the second module 20 of the sump dishwasher of FIG. 15; and fig. 17 is another installation schematic of the wireless power supply apparatus 100 according to an exemplary embodiment of the present disclosure.
As shown in fig. 14, in the illustrated embodiment, the first case 13 includes a first case portion 13A and a second case portion 13B, the first case portion 13A being configured to enclose the first winding portion 11A and the first coil sub-winding 12A; the second case portion 13B is configured to enclose the second winding portion 11B and the second coil sub-winding 12B.
As shown in fig. 11 to 14, in the illustrated embodiment, the first module 10 further includes a first mounting mechanism 14, the first mounting mechanism 14 including a first connecting portion 141A, a second connecting portion 141B, and a first fixing portion 142, the first connecting portion 141A protruding outward from a surface of the first housing portion 13A; the second connecting portion 141B protrudes outward from the surface of the second housing portion 13B; the first fixing portion 142 is fixed to an end of the first connecting portion 141A away from the first housing portion 13A and an end of the second connecting portion 141B away from the second housing portion 13B, respectively. The first fixing portion 142 may be fixed to the body 41 by a screw passing through a through hole thereof.
It should be noted that in other embodiments of the present disclosure, the first module 10 can be fixed to the body 41 or the cover 42 of the sink dishwasher by other means, such as a snap fit, an adhesive, etc.
As shown in fig. 11, 12, 15 and 16, in the illustrated embodiment, the second module 20 further includes a second mounting mechanism 24, the second mounting mechanism 24 being secured to the second housing 23.
As shown in fig. 16, in the illustrated embodiment, the second mounting mechanism 24 includes a plate-shaped third connecting portion 241, and a plate-shaped second fixing portion 242, the third connecting portion 241 protruding outward from the surface of the second housing 23, the second fixing portion 242 being fixed to an end of the third connecting portion 241 remote from the second housing 23. The second fixing portion 242 may be fixed to the cover 42 by a screw passing through a through hole thereof.
It should be noted that in other embodiments of the present disclosure, the second module 20 can be fixed to the body 41 or the cover 42 of the sink dishwasher by other means, such as a snap fit, an adhesive, etc.
As shown in fig. 4 and 11, in the illustrated embodiment, the wireless power supply 100 is mounted at the edge of a sink dishwasher. However, it should be noted that in some other embodiments of the present disclosure, as shown in fig. 17, the wireless power supply 100 may be installed in the middle of the sink type dishwasher, which is particularly useful in the case that some electric devices are located in the middle of the sink type dishwasher, thereby shortening the length of the cable for connecting the electric devices and the wireless power supply.
According to another aspect of the present disclosure, there is also provided an electric apparatus, as shown in fig. 4 and 11, including a body 41 and a cover 42, the cover 42 being pivotably mounted on the body 41. The electrical apparatus further includes a wireless power supply device 100, and the wireless power supply device 100 includes a first module 10 mounted on the body 41 and a second module 20 mounted on the cover 42. The first module 10 includes a first housing 13 and a first coil assembly, which is enclosed in the first housing 13. The second module 20 includes a second housing 23 and a second coil assembly enclosed in the second housing 23. Wherein, the first module 10 is formed with the accommodating portions 30, 30 ', the second module 20 is rotatably installed in the accommodating portions 30, 30', during the opening or closing process of the cover 42, the first module 10 remains stationary, the second module 20 rotates relative to the first module 10, the second coil assembly of the second module 20 is electromagnetically coupled with the first coil assembly of the first module 10, and the internal current is wirelessly transmitted from the first coil assembly of the first module 10 to the second coil assembly of the second module 20, thereby providing the current for the electric device on the cover 42 of the sink dishwasher.
As shown in fig. 4 and 11, the electric appliance is a sink type dish washer, however, it should be noted that, in some other embodiments of the present disclosure, the electric appliance may be a table type dish washer, a cabinet type dish washer, an integrated kitchen dish washer, a microwave oven, or the like. In addition, in some other embodiments of the present disclosure, the first module 10 may also be mounted on the cover 42, and the second module 20 is mounted on the body 41.
As shown in fig. 4 and 5, in the illustrated embodiment, the first module 10 is mounted on the body 41, the second module 20 is mounted on the cover 42, and the cover 42 is pivotably connected to the body 41 by rotatably mounting the second module 20 of the wireless power supply apparatus 100 in the first module 10. That is, the wireless power supply device 100 can be used as a hinge shaft of the cover 42, wherein the second module 20 is used as a shaft core of the hinge shaft and the first module 10 is used as a shaft sleeve of the hinge shaft.
In an embodiment not shown in the present disclosure,
as shown in fig. 4 and 11, in the illustrated embodiment, the pivot axis of the cover 42 is located at the edge of the sink dishwasher.
As shown in FIG. 17, in the illustrated embodiment, the pivot axis of the cover 42 is located in the middle of the sump dishwasher. This is particularly useful in the case where some consumers are located in the middle of a sink dishwasher, thereby shortening the length of the cable for connecting between the consumers and the wireless power supply.
According to the wireless power supply device and the electrical equipment of the various embodiments of the present disclosure, the first module is formed with the accommodating portion, so that the second module can be easily installed in the accommodating portion of the first module and can rotate relative to the first module, and the second coil assembly of the second module is electromagnetically coupled with the first coil assembly of the first module, so that power supply in a wireless manner is realized, and thus the assembling and disassembling complexity of the wireless power supply device is reduced.
It will be appreciated by those skilled in the art that the embodiments described above are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without conflict in structure or principle.
Having described preferred embodiments of the present disclosure in detail, it will be apparent to those skilled in the art that various changes and modifications may be made without departing from the scope and spirit of the appended claims, and the disclosure is not limited to the exemplary embodiments set forth herein.
Claims (21)
1. A wireless power supply apparatus (100), comprising:
a first module (10), the first module (10) comprising:
a first housing (13), and
a first coil assembly enclosed in the first housing (13); and
a second module (20), the second module (20) comprising:
a second housing (23), and
a second coil assembly enclosed in the second housing (23);
wherein the first module (10) is formed with a receiving portion (30, 30 '), and the second module (20) is rotatably mounted in the receiving portion (30, 30') such that the second coil assembly is electromagnetically coupled with the first coil assembly.
2. The wireless power supply according to claim 1, wherein one of the first module (10) and the second module (20) functions as a transmitting module and the other of the first module (10) and the second module (20) functions as a receiving module.
3. The wireless power supply apparatus according to claim 1 or 2, wherein the first coil assembly includes:
a first magnetic core (11), the first magnetic core (11) being formed as a support structure having an arc-shaped radial cross section, the support structure having an interior forming the receiving portion (30); and
a first coil winding (12), the first coil winding (12) being disposed on an inner surface of the first magnetic core (11), a winding shape of the first coil winding (12) being rectangular in an unfolded state.
4. A wirelessly powered device according to claim 3, wherein the arc corresponds to a central angle of a, wherein 180 ° < a < 360 °.
5. The wireless power supply apparatus according to claim 3 or 4, wherein the second coil component comprises:
a second magnetic core (21), said second magnetic core (21) having a cylindrical configuration and being rotatably mounted inside said support structure, said cylindrical configuration being coaxially arranged with said support structure; and
a second coil winding (22), the second coil winding (22) being disposed on an outer side surface of the second magnetic core (21), a winding shape of the second coil winding (22) being rectangular in an unfolded state.
6. The wireless power supply device according to claim 5, wherein when the second module functions as a receiving module, the second coil winding (22) includes a plurality of sub-coil windings (22A, 22B, 22C), the plurality of sub-coil windings (22A, 22B, 22C) are distributed at intervals in a circumferential direction of the second magnetic core (21), and the plurality of sub-coil windings (22A, 22B, 22C) are distributed at intervals in an axial direction of the second magnetic core (21).
7. The wireless power supply according to claim 6, wherein the plurality of sub-coil windings (22A, 22B, 22C) are electrically connected to each other.
8. The wireless power supply apparatus according to claim 6, wherein the plurality of sub-coil windings (22A, 22B, 22C) are connected to the output circuit through changeover switches, respectively, to connect a sub-coil winding having a largest current among the plurality of sub-coil windings (22A, 22B, 22C) to the output circuit.
9. The wireless power supply according to any of claims 3-8, wherein said first module further comprises a first mounting mechanism (14), said first mounting mechanism (14) being fixed to said first housing (13).
10. A wirelessly powered device according to claim 9, wherein the first mounting mechanism (14) comprises a connecting plate extending in a plane parallel to the axis of the first magnetic core (11).
11. The wireless power supply apparatus according to claim 1 or 2, wherein the first coil assembly includes:
a first magnetic core (11), wherein the first magnetic core (11) comprises a first winding part (11A) and a second winding part (11B) which are arranged at intervals, and a gap between the first winding part (11A) and the second winding part (11B) forms the accommodating part (30');
a first coil sub-winding (12A), the first coil sub-winding (12A) being wound on the first winding portion (111A); and
a second coil sub-winding (12B), the second coil sub-winding (12B) being wound on the second winding part (11B), and the first coil sub-winding (12A) and the second coil sub-winding (12B) being electrically connected to each other.
12. The wireless power supply device according to claim 11, wherein the first winding portion (11A) and the second winding portion (11B) each have a cylindrical shape, and the first winding portion (11A) and the second winding portion (11B) are coaxially arranged.
13. The wireless power supply apparatus according to claim 11 or 12, wherein the second coil component comprises:
a second magnetic core (21), the second magnetic core (21) having a cylindrical shape, the second magnetic core (21) being disposed coaxially with the first magnetic core (11);
a second coil winding (22), the second coil winding (22) being wound on the second magnetic core (21).
14. The wireless power supply according to any one of claims 11-13, wherein the first housing (13) comprises:
a first housing portion (13A), the first housing portion (13A) being configured to enclose the first winding (11A) and the first coil sub-winding (12A): and
a second housing portion (13B), the second housing portion (13B) being configured to enclose the second winding (11B) and the second coil sub-winding (12B).
15. The wirelessly powered device of claim 14, wherein the first module (10) further comprises a first mounting mechanism (14), the first mounting mechanism (14) comprising:
a first connection portion (141A), the first connection portion (141A) protruding outward from a surface of the first housing portion (13A);
a second connecting portion (141B), the second connecting portion (141B) protruding outward from a surface of the second housing portion (13B); and
a first fixing portion (142), the first fixing portion (142) being fixed to an end of the first connecting portion (141A) remote from the first housing portion and an end of the second connecting portion (141B) remote from the second housing portion (13B), respectively.
16. The wireless power supply of any of claims 1-15, wherein the second module (20) further comprises:
a second mounting mechanism (24), the second mounting mechanism (24) being secured to the second housing (23).
17. The wirelessly powered device of claim 16, wherein the second mounting mechanism (24) comprises:
a third connecting portion (241), the third connecting portion (241) protruding outward from a surface of the second housing (23); and
a second fixing portion (242), the second fixing portion (242) being fixed to an end of the third connecting portion (241) away from the second housing (23).
18. An electrical device, comprising:
a body (41);
a cover (42), the cover (42) being pivotably mounted on the body (41); and
the wireless power supply device (100) according to any one of claims 1-17, wherein the first module (10) is mounted on one of the body (41) and the cover (42), and the second module (20) is mounted on the other of the body (41) and the cover (42).
19. The electrical apparatus of claim 18, wherein the first module (10) is mounted on the body (41), the second module (20) is mounted on the cover (42), and the cover (42) is pivotably connected to the body (41) by the second module (20) of the wireless power supply device (100) being rotatably mounted in the first module (10).
20. The electrical device of claim 18, wherein the pivot axis of the cover (42) is located at an edge of the electrical device.
21. The electrical apparatus of claim 18, wherein the pivot axis of the cover (42) is located in a middle of the electrical apparatus when the wireless power supply (100) is the wireless power supply (100) of any one of claims 11-17.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143808.8A CN111614168B (en) | 2019-02-26 | 2019-02-26 | Wireless power supply device and electrical equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143808.8A CN111614168B (en) | 2019-02-26 | 2019-02-26 | Wireless power supply device and electrical equipment |
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| CN111614168A true CN111614168A (en) | 2020-09-01 |
| CN111614168B CN111614168B (en) | 2024-03-15 |
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| WO2023011448A1 (en) * | 2021-08-02 | 2023-02-09 | Shanghai United Imaging Healthcare Co., Ltd. | Power transformers and medical devices |
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| CN111614168B (en) | 2024-03-15 |
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