Electrical equipment

Abstract

The present invention discloses an electrical device, comprising: a main body; a pivoting member pivotally connected to the main body; a first coil mounted on the main body; and a second coil mounted on the pivoting member; wherein at least a part of the first coil passes through the second coil to form electromagnetic coupling between the first coil and the second coil, so as to realize wireless power supply between the main body and the pivoting member.

Description

Technical Field

[0001] Embodiments of the present invention relate to an electrical device, and more particularly to an electrical device capable of wireless power supply between components that pivot relative to each other. Background Art

[0002] In electrical devices, especially in household electrical appliances, two components with a relative pivoting movement relationship are generally connected by a pivoting device. Since communication is required between the components, for example, power transmission between the components, wires need to pass through the hinge holes to transmit power from one end of the pivoting device to the other end. However, due to the need to pass wires through the hinge holes, this arrangement makes the assembly process and disassembly process of the product complicated; due to the limited size of the hinge holes, this arrangement makes the hinge holes unable to accommodate a large number of wires, thus limiting the number of electrical devices; and, since the wires passing through the hinge will reciprocate with the hinge during the pivoting movement, this arrangement easily causes the wires to fatigue and fail, greatly reducing the reliability of power transmission.

[0003] Therefore, there is an urgent need for an electrical device that can solve the above problems. Summary of the Invention

[0004] In view of the technical problems mentioned in the above background art, an object of the present invention is to provide an electrical device that realizes wireless power supply between the main body part and the pivoting part by forming electromagnetic coupling between a first coil mounted on the main body part and a second coil mounted on the pivoting part.

[0005] According to one aspect of the present invention, there is provided an electrical device, comprising: a main body part; a pivoting part pivotally connected to the main body part; a first coil mounted on the main body part; and a second coil mounted on the pivoting part; wherein, at least a part of the first coil passes through the second coil to form electromagnetic coupling between the first coil and the second coil, thereby realizing wireless power supply between the main body part and the pivoting part.

[0006] According to an exemplary embodiment of the present invention, the pivoting part is mounted on the main body part by a pivoting device.

[0007] According to an exemplary embodiment of the present invention, the pivoting device comprises: a mounting part mounted on the main body part; and an insertion part fixed on the mounting part, the first coil being arranged in the insertion part; a receiving groove is provided on the pivoting part, and the second coil is arranged in the receiving groove, and the insertion part is inserted into the receiving groove.

[0008] According to an exemplary embodiment of the present invention, the insertion portion is arranged as a cylindrical body, the pivoting device further includes a plastic body, the first coil is fixed in the plastic body, and the plastic body is fixed in the cylindrical body.

[0009] According to an exemplary embodiment of the present invention, a bearing portion is provided in the receiving groove, and the second coil is fixed on the bearing portion.

[0010] According to an exemplary embodiment of the present invention, the first coil is a transmitting coil, the second coil is a receiving coil, and an electromagnetic coupling is formed between the transmitting coil and the receiving coil, so as to realize the transmission of electric power from the main body portion to the pivoting member.

[0011] According to an exemplary embodiment of the present invention, the electrical device is a refrigerator, and the pivoting member is a refrigerator door.

[0012] According to an exemplary embodiment of the present invention, the electrical device further includes a support portion, which is installed at a position where the lower end of the pivoting member engages with the main body portion. A protruding portion is provided on the support portion, and an installation groove is provided at the lower end of the pivoting member. The protruding portion is inserted into the installation groove.

[0013] According to an exemplary embodiment of the present invention, the electrical device is a washing machine, and the pivoting member is a washing machine door.

[0014] According to an exemplary embodiment of the present invention, the pivoting device further includes: a base, which is installed on the main body portion, and the installation portion is installed on the base; a second installation portion, which is installed on the base and is opposite to the installation portion; and a second insertion portion, which is fixed on the second installation portion and is inserted into the receiving groove of the pivoting member.

[0015] According to an exemplary embodiment of the present invention, during the pivoting movement, the relative positions of the first coil and the second coil on the pivot axis remain unchanged.

[0016] According to an exemplary embodiment of the present invention, the first coil is in a cylindrical shape, and the second coil is in a hollow cylindrical shape.

[0017] Other objects and advantages of the present invention will become apparent and help to fully understand the present invention through the description of the embodiments of the present invention with reference to the accompanying drawings below. Description of the Drawings

[0018] The present invention will be further described in detail with reference to the accompanying drawings, in which:

[0019] Figure 1 It is a three-dimensional schematic view of the main body portion of the electrical device according to the first embodiment of the present invention;

[0020] Figure 2 is Figure 1 an enlarged view of part A shown;

[0021] Figure 3 a perspective view of a pivot member of an electrical device according to a first embodiment of the present invention;

[0022] Figure 4 is Figure 3 an enlarged view of part B shown;

[0023] Figure 5 a perspective view of an electrical device according to a first embodiment of the present invention as viewed from one direction, showing Figure 3 the pivot member shown has been installed on Figure 1 the main body part shown;

[0024] Figure 6 is Figure 5 an enlarged view of part C shown;

[0025] Figure 7 is a perspective view of the electrical device shown as viewed from another direction Figure 5 ;

[0026] Figure 8 is Figure 7 an enlarged view of part D shown;

[0027] Figure 9 a perspective view of the main body part of an electrical device according to a second embodiment of the present invention;

[0028] Figure 10 is Figure 9 an enlarged view of part E shown;

[0029] Figure 11 a perspective view of a pivot member of an electrical device according to a second embodiment of the present invention;

[0030] Figure 12 is Figure 11 an enlarged view of part F shown;

[0031] Figure 13 a perspective view of an electrical device according to a second embodiment of the present invention as viewed from one direction, showing Figure 11 the pivot member shown has been installed on Figure 9 the main body part shown;

[0032] Figure 14 is Figure 13 an enlarged view of part G shown;

[0033] Figure 15 a perspective view of the electrical device shown as viewed from another directionFigure 13 A perspective schematic view of the electrical device shown; and

[0034] Figure 16 is Figure 15 an enlarged view of the H portion shown. DETAILED DESCRIPTION

[0035] The technical solution of the present invention will be further specifically described below through embodiments in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation of the present invention.

[0036] In addition, in the following detailed description, for the sake of explanation, numerous specific details are set forth to provide a thorough understanding of the embodiments of the present disclosure. However, it is apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagrammatic form to simplify the drawings.

[0037] According to the overall concept of the present invention, there is provided an electrical device including: a main body portion; a pivoting member pivotally connected to the main body portion; a first coil mounted on the main body portion; and a second coil mounted on the pivoting member; wherein, at least a part of the first coil passes through the second coil to form electromagnetic coupling between the first coil and the second coil, thereby realizing wireless power supply between the main body portion and the pivoting member.

[0038] First Embodiment

[0039] Figure 1 is a perspective schematic view of the main body portion of the electrical device according to the first embodiment of the present invention; Figure 2 is Figure 1 an enlarged view of the A portion shown; Figure 3 is a perspective schematic view of the pivoting member of the electrical device according to the first embodiment of the present invention; and Figure 4 is Figure 3 an enlarged view of the B portion shown.

[0040] As Figures 1-4 shown, in an exemplary embodiment of the present invention, there is provided an electrical device including: a main body portion 10; a pivoting member 20 pivotally connected to the main body portion 10; a first coil 11 mounted on the main body portion 10; and a second coil 21 mounted on the pivoting member 20; wherein, at least a part of the first coil 11 passes through the second coil 21 to form electromagnetic coupling between the first coil 11 and the second coil 21, thereby realizing wireless power supply between the main body portion 10 and the pivoting member 20.

[0041] Further, in an exemplary embodiment of the present invention, the electrical device is a refrigerator, and the pivoting member 20 is a refrigerator door, which is mounted on the main body of the refrigerator through a pivoting device 12. As Figures 1-4 shown, in an exemplary embodiment of the present invention, the first coil 11 is a transmitting coil and is cylindrical, and the second coil 21 is a receiving coil and is a hollow cylinder. The transmitting coil at least partially passes through the receiving coil; the receiving coil pivots relative to the transmitting coil with the pivot axis of the pivoting device 12 as the pivot axis. In this way, power can be wirelessly transmitted from the transmitting coil to the receiving coil, thereby realizing power transmission from the main body of the refrigerator to the refrigerator door. In an alternative embodiment, the first coil 11 and the second coil 21 are configured to achieve signal transmission from the refrigerator door to the main body of the refrigerator.

[0042] As Figure 2 shown, in an exemplary embodiment of the present invention, the pivoting device 12 includes: a mounting portion 13 mounted on the main body portion 10; and an insertion portion 14 fixed to the mounting portion 13, preferably fixed near the free end of the mounting portion 13, and the first coil 11 is disposed in the insertion portion 14. In the illustrated embodiment, the first coil 11 protrudes from the insertion portion 14. As Figure 4 shown, a receiving groove 22 is provided on the refrigerator door, and the second coil 21 is disposed in the receiving groove 22. The insertion portion 14 of the pivoting device 12 is inserted into the receiving groove 22, so that the first coil 11 at least partially passes through the second coil 21.

[0043] As Figure 2 shown, in an exemplary embodiment of the present invention, the pivoting device 12 further includes a wire 16 connecting the first coil 11 (or the transmitting coil) to the control system of the refrigerator, and the control system is located in the main body of the refrigerator. In an exemplary embodiment, the transmitting coil obtains electrical energy from the main body of the refrigerator through the wire 16 to realize wireless transmission of electrical energy from the transmitting coil to the receiving coil. In another embodiment, the first coil 11 obtains a signal from the control system of the electrical device through the wire 16 and transmits it to the second coil 21. In another embodiment, the first coil 11 transmits the signal obtained from the second coil 21 to the control system of the electrical device through the wire 16.

[0044] Figure 5 Schematic perspective view of the electrical device according to the first embodiment of the present invention as viewed from one direction, showing Figure 3 the pivoting member shown has been installed on Figure 1 the main body portion shown; Figure 6 For Figure 5 an enlarged view of part C shown; Figure 7 Schematic perspective view of the electrical device shown as viewed from another direction; and Figure 5 For Figure 8 ForFigure 7 An enlarged view of part D shown

[0045] As Figures 5-8 shown, in an exemplary embodiment of the present invention, the insertion part 14 is arranged as a cylindrical body, and the pivoting device 12 further includes a plastic body 15. The first coil 11 is fixed in the plastic body 15, and the plastic body 15 is fixed in the cylindrical body, thereby fixing the first coil 11 in the insertion part 14. Preferably, the plastic body 15 can be potting glue.

[0046] As Figures 5-8 shown, in an exemplary embodiment of the present invention, a bearing part 23 is provided in the receiving groove 22, and the second coil 21 is fixed on the bearing part 23, thereby fixing the second coil 21 in the receiving groove 22. Preferably, the second coil 21 is fixed by double-sided tape.

[0047] As Figure 1 、 5 and as shown in 7, in an exemplary embodiment of the present invention, the refrigerator further includes a support part 17. The support part 17 is installed at a position of the main body part 10 that engages with the lower end of the refrigerator door. A convex part 18 is provided on the support part 17, and a mounting groove is correspondingly provided at the lower end of the refrigerator door. The convex part 18 is inserted into the mounting groove, thereby supporting the refrigerator door during the pivoting process of the refrigerator door. In an alternative embodiment, the pivoting device 12 can also be configured to support the refrigerator door during the pivoting process of the refrigerator door.

[0048] When the refrigerator door is installed on the refrigerator main body part 10 through the pivoting device 12, a part of the first coil 11 completely passes through the second coil 21, and the two have a position overlap in the pivoting axis direction of the pivoting device 12, thereby realizing electromagnetic coupling. When the refrigerator door is opened or closed, the second coil 21 pivots relative to the first coil 11, and during the entire pivoting movement process, the relative position of the first coil 11 and the second coil 21 on the pivoting axis remains unchanged, so that power can be supplied between the first coil 11 and the second coil 21 in a wireless manner. In an exemplary embodiment of the present invention, power can be transmitted from the refrigerator main body part to the refrigerator door, and then power is provided to a load on the refrigerator door, such as a display device, through a wire 24 provided on the second coil 21.

[0049] Second Embodiment

[0050] Figure 9 A perspective schematic view of the main body part of an electrical device according to the second embodiment of the present invention; Figure 10 For Figure 9 An enlarged view of part E shown Figure 11 A perspective schematic view of the pivoting component of an electrical device according to the second embodiment of the present invention; and Figure 12 ForFigure 11 An enlarged view of the F portion shown.

[0051] Similar to the first embodiment, as Figures 9-12 shown, an electrical device is provided, including: a main body portion 110, a pivoting member 120, a first coil 111, and a second coil 121. Among them, the first coil 111 at least partially passes through the second coil 121 to form electromagnetic coupling between the first coil 111 and the second coil 121, thereby realizing wireless power supply between the main body portion 110 and the pivoting member 120.

[0052] Furthermore, in an exemplary embodiment of the present invention, the electrical device is a washing machine, and the pivoting member 120 is a washing machine door, and the washing machine door is installed on the main body portion of the washing machine through a pivoting device 112. As Figures 9-12 shown, in an exemplary embodiment of the present invention, the first coil 111 is a transmitting coil and is in a cylindrical shape, and the second coil 121 is a receiving coil and is in a hollow cylindrical shape. The transmitting coil at least partially passes through the receiving coil; the receiving coil pivots relative to the transmitting coil with the pivoting axis of the pivoting device 112 as the pivoting axis. In this way, power can be transmitted from the transmitting coil to the receiving coil in a wireless manner, thereby realizing power transmission from the main body portion of the washing machine to the washing machine door. In an alternative embodiment, the first coil 111 and the second coil 121 can be configured to realize signal transmission from the washing machine door to the main body portion of the washing machine.

[0053] As Figure 10 shown, in an exemplary embodiment of the present invention, the pivoting device 112 includes: a base portion 113 installed on the main body portion of the washing machine; a mounting portion 114 installed on the base portion 113; and an insertion portion 115 fixed on the mounting portion 114, preferably fixed at the free end of the mounting portion 114, and the first coil 111 is arranged in the insertion portion 115. In the illustrated embodiment, the first coil extends out of the insertion portion 115. As Figure 12 shown, a receiving groove 122 is provided on the washing machine door, and the second coil 121 is arranged in the receiving groove 122. The insertion portion 115 of the pivoting device 112 is inserted into the receiving groove 122, so that the first coil 111 at least partially passes through the second coil 121.

[0054] Figure 13 A perspective schematic view of the electrical device according to the second embodiment of the present invention as viewed from one direction, in which the Figure 11 shown pivoting member has been installed on the Figure 9 shown main body portion; Figure 14 For Figure 13 an enlarged view of the G portion shown; Figure 15 A perspective schematic view of the Figure 13 shown electrical device as viewed from another direction; and Figure 16For Figure 15 An enlarged view of the H portion shown.

[0055] As Figures 9-16 shown, in an exemplary embodiment of the present invention, the insertion portion 115 is arranged as a cylindrical body, and the pivoting device 112 further includes a plastic body 116. The first coil 111 is fixed in the plastic body 116, and the plastic body 116 is fixed in the cylindrical body, thereby fixing the first coil 111 in the insertion portion 14. Preferably, the plastic body 116 can be potting glue.

[0056] As Figures 9-16 shown, in an exemplary embodiment of the present invention, a bearing portion 123 is provided in the receiving groove 122, and the second coil 121 is fixed on the bearing portion 123, thereby fixing the second coil 121 in the receiving groove 122. Preferably, the second coil 121 is fixed by double-sided tape.

[0057] As Figure 14 shown, in an exemplary embodiment of the present invention, the pivoting device 112 further includes a wire 117 connecting from the first coil 111 (or transmitting coil) to the control system of the washing machine. The control system is located in the main body portion of the washing machine. In an exemplary embodiment, the transmitting coil obtains electrical energy from the washing machine through the wire 117 to achieve wireless transmission of electrical energy from the transmitting coil to the receiving coil. In another embodiment, the first coil 111 obtains a signal from the control system of the electrical device through the wire 117 and transmits it to the second coil 121. In another embodiment, the first coil 111 transmits the signal obtained from the second coil 121 to the control system of the electrical device through the wire 117.

[0058] As Figure 10 , 14 and as shown in 16, in an exemplary embodiment of the present invention, the hinge device 112 further includes: a second mounting portion 118, mounted on the base portion 113 and opposite to the mounting portion 114; and a second insertion portion 119, fixed on the second mounting portion 118 and inserted into the receiving groove 122 of the washing machine door 120. In this exemplary embodiment, the mounting portion 114 is arranged below the second mounting portion 118. In an alternative embodiment, the mounting portion 114 can be arranged above the second mounting portion 118.

[0059] When the washing machine door is installed on the washing machine main body 110 through the pivoting device 112, a part of the first coil 111 completely passes through the second coil 121, and the two have a position overlap in the pivoting axis direction of the pivoting device 112, thereby realizing electromagnetic coupling. When the washing machine door is opened or closed, the second coil 121 pivots relative to the first coil 111, and during the entire pivoting movement, the relative positions of the first coil 111 and the second coil 121 on the pivoting axis remain unchanged, so that communication can be carried out wirelessly between the first coil 111 and the second coil 121. In an exemplary embodiment of the present invention, power can be transmitted from the washing machine main body 110 to the washing machine door, and then power is supplied to the load on the washing machine door 120, such as a display device, through the wire 124 provided on the second coil 121.

[0060] Thus, in the present disclosure, by means of wireless transmission, arranging wires in the hinge holes is avoided, thereby reducing the assembly and disassembly complexity of electrical equipment. At the same time, the number of devices used is not limited by the size of the hinge holes, and the reliability of wireless transmission is also greatly improved.

[0061] Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can improve them. The structures described in various embodiments can be freely combined without conflict in terms of structure or principle, so as to implement more types of electrical equipment on the basis of solving the technical problems of the present invention.

[0062] After detailing the preferred embodiments of the present invention, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the appended claims, and the present invention is not limited to the implementation manners of the exemplary embodiments described in the specification.

[0063] It should be noted that the term "comprising" does not exclude other elements or steps, and the terms "a" or "an" do not exclude a plurality. Additionally, any reference numerals in the claims should not be construed as limiting the scope of the present invention.

Claims

1. An electrical device, comprising: A main body portion; A pivot member pivotally connected to the main body portion, the pivot member being mounted on the main body portion by a pivoting device; A first coil mounted on the main body portion; And A second coil mounted on the pivot member; Wherein, at least a part of the first coil passes through the second coil to form an electromagnetic coupling between the first coil and the second coil, so as to realize wireless power supply between the main body portion and the pivot member. The pivoting device comprises: A mounting portion mounted on the main body portion; and An insertion portion fixed on the mounting portion, the first coil being disposed in the insertion portion. Wherein, a receiving groove is provided on the pivot member, the second coil is disposed in the receiving groove, the insertion portion is inserted into the receiving groove, the insertion portion is arranged as a cylindrical body, the pivoting device further comprises a plastic body, the first coil is fixed in the plastic body, and the plastic body is fixed in the cylindrical body.

2. The electrical device according to claim 1, characterized in that: A bearing portion is provided in the receiving groove, and the second coil is fixed on the bearing portion.

3. The electrical device according to any one of claims 1-2, characterized in that: The first coil is a transmitting coil, the second coil is a receiving coil, and an electromagnetic coupling is formed between the transmitting coil and the receiving coil, so as to realize the transmission of power from the main body portion to the pivot member.

4. The electrical device according to claim 3, characterized in that: The electrical device is a refrigerator, and the pivot member is a refrigerator door.

5. The electrical device according to claim 4, characterized in that: It further comprises a support portion mounted at a position where the lower end of the main body portion engages with the pivot member, a protrusion is provided on the support portion, and a mounting groove is provided at the lower end of the pivot member, and the protrusion is inserted into the mounting groove.

6. The electrical device according to claim 3, characterized in that: The electrical device is a washing machine, and the pivot member is a washing machine door.

7. The electrical device according to claim 6, characterized in that: The pivoting device further comprises: A base portion mounted on the main body portion, the mounting portion being mounted on the base portion; A second mounting portion mounted on the base portion and opposite to the mounting portion; and A second insertion portion fixed on the second mounting portion and inserted into the receiving groove of the pivot member.

8. The electrical device according to any one of claims 1-2, characterized in that: During the pivoting movement, the relative positions of the first coil and the second coil on the pivot axis remain unchanged.

9. The electrical device according to any one of claims 1-2, characterized in that: The first coil is in a cylindrical shape, and the second coil is in a hollow cylindrical shape.

Images