Wireless charging device and electric appliance

Abstract

The invention discloses a wireless charging device, belongs to the technical field of wireless charging, solves the problem that a gap exists between a mounting hole and a key on a panel, and adopts the technical scheme that the wireless charging device mainly comprises a charging head and a charging seat, a primary induction coil for induction charging is arranged in the charging head, and the charging seat is provided with a control circuit board; the primary induction coil is electrically connected with the control circuit board, the charging head is embedded into the mounting hole from the outer side of the panel and then connected with the charging base, or the charging head is connected with the charging base and then embedded into the mounting hole from the inner side of the panel, and the peripheral side wall of the charging head is attached to the hole wall of the mounting hole to block the mounting hole. According to the invention, assembly traces of the mounting hole and the charging head are weakened visually. The invention further provides an electric appliance which comprises the wireless charging device.

Description

Technical Field

[0001] The present invention relates to the technical field of wireless charging, and in particular to a wireless charging device and an electrical appliance. Background Art

[0002] More and more knobs are used as control devices on electrical appliances. In order to improve the user experience when using the knob on the appliance, the knob can be fixed on the home appliance or taken down and used as a remote control. However, in either case, the battery power in the knob will be gradually consumed during use. When the battery power is exhausted, the battery needs to be replaced or charged before the knob can resume its function. In order to facilitate charging the battery of the above-mentioned knob, a charging structure is provided on the panel of the home appliance, and in order to facilitate the knob to be taken down and used as a remote control, the charging structure is a wireless charging mode.

[0003] Prior art CN217935588U discloses a household appliance, including an appliance body, the appliance body including a panel made of metal and a detachable control device, the detachable control device wirelessly communicates with the appliance body, wherein a key is embedded on the panel, the key has an operating surface supported by a non-conductive material, a primary induction coil is integrated on the back side of the operating surface, and a secondary induction coil is integrated in the detachable control device, so that the detachable control device can be charged by electromagnetic induction when the detachable control device covers the key. Thus, wireless charging of the detachable control device is achieved while maintaining the metal appearance of the appliance body as much as possible.

[0004] In the prior art, in order to install the wireless charging structure and facilitate inductive charging of the wireless charging structure, a corresponding mounting hole is opened on the panel, and then a button is embedded in the mounting hole to cover the mounting hole to prevent the opened mounting hole from affecting the appearance of the metal panel. When the control device is charging or adsorbed on the panel, the control device covers the mounting hole, but when the control device is detached from the panel, there is still a gap between the button and the hole wall of the mounting hole, affecting the appearance of the metal panel. Summary of the invention

[0005] The purpose of the present invention is to provide a wireless charging device and an electrical appliance to solve the problem of a gap between a mounting hole and a button on a panel, and to visually weaken the assembly traces of the mounting hole and the charging head.

[0006] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a wireless charging device, including a charging head and a charging base, the charging head is provided with a primary induction coil for induction charging, the charging base is provided with a control circuit board, the primary induction coil is electrically connected to the control circuit board, the charging head is embedded in the mounting hole from the outside of the panel and then connected to the charging base, or the charging head is embedded in the mounting hole from the inside of the panel after being connected to the charging base, and the outer peripheral side wall of the charging head is fitted with the hole wall of the mounting hole to seal the mounting hole.

[0007] After adopting the above technical scheme, the present invention has the following advantages: when installing the wireless charging device on the panel, one is to first install the charging base on the rear side of the panel, and then embed the charging head in the mounting hole and connect it to the charging base; the other is to embed the wireless charging device in the mounting hole after connecting the charging head to the charging base, but no matter which of the above two installation methods is used, the outer peripheral side wall of the charging head needs to be fitted with the hole wall of the mounting hole to block the mounting hole on the panel; wherein, the charging head is embedded in the mounting hole of the panel, and in order to ensure the stability of the electrical connection between the charging head and the charging base, the charging head is generally fixed after installation, and there is no need to reserve a reserved activity space between the mounting hole and the button when operating the button as in the prior art, and the outer peripheral surface of the charging head is as close to the hole wall of the mounting hole as possible, thereby visually weakening the assembly traces of the mounting hole and the charging head. The "fit" here is not limited to the situation where the two are completely close together. Considering the influencing factors such as processing accuracy and assembly accuracy, there can be a small gap between the outer side wall of the charging head and the hole wall of the mounting hole. Of course, these gaps are still not as visually obvious as the gaps in the prior art. When the outer side wall of the charging head and the hole wall of the mounting hole are interference fit, the outer side wall of the charging head and the hole wall of the mounting hole can basically be completely close together, which can not only weaken the assembly traces of the mounting hole and the charging head, but also have a certain waterproof effect.

[0008] Further, the charging head includes a charging head body and a cover body, the rear end of the charging head body is connected to the charging seat and is recessed inwardly relative to the outer side of the panel, the cover body is located at the front end of the charging head body, the cover body is assembled in the mounting hole and is circumferentially fitted with the hole wall of the mounting hole to seal the mounting hole, and the edge of the outer side surface of the cover body is flush with the outer side surface of the panel; or, the charging head includes a charging head body, the rear end of the charging head body is connected to the charging seat, the front end of the charging head body is circumferentially fitted with the hole wall of the mounting hole to seal the mounting hole, and the edge of the front end surface of the charging head body is flush with the outer side surface of the panel.

[0009] With the above-mentioned technical solution, when the outer peripheral side wall of the charging head fits the hole wall of the mounting hole, the outer peripheral side wall of the cover body fits the hole wall of the mounting hole, and the outer side surface of the cover body is flush with the outer side surface of the panel, thereby weakening the installation traces of the mounting hole and the charging head; when there is an interference fit between the mounting hole and the charging head, the outer peripheral side wall of the charging head will be deformed to a certain extent after the charging head is installed, and the cover body cooperates with the mounting hole to avoid affecting the primary induction coil when the charging head body is deformed to a certain extent. Alternatively, the rear end of the charging head body is connected to the charging seat, and the front end of the charging head body fits circumferentially with the hole wall of the mounting hole to block the mounting hole, thereby visually weakening the assembly traces of the charging head and the mounting hole, and the edge of the front end surface of the charging head body is flush with the outer side surface of the panel, further weakening the installation traces of the mounting hole and the charging head.

[0010] Furthermore, the rear end of the charging head is fixed to the charging base, and the charging base is installed from back to front and fixed to the inner side of the panel; or, the charging head is installed from front to back and connected and fixed to the charging base located on the inner side of the panel.

[0011] By adopting the above-mentioned technical solution, when the charging base and the charging head are installed, the charging base is fixed at the rear end of the charging head, and then the charging base is fixed to the inner side of the panel, and then the charging head and the charging base are fixed on the panel to avoid the possibility of the charging head and the charging base being detached, and at the same time avoid the possibility of the charging head and the charging base being separated from the panel; or the charging base is fixed to the inner side of the panel, and the charging head is fixed to the charging base from front to back and the panel is clamped with the charging base to improve the stability of the charging base and the charging head after installation.

[0012] Furthermore, a fixing seat is sandwiched between the charging head and the charging seat, the fixing seat is fixed to the inner side of the panel, the fixing seat is provided with a limiting hole with a non-circular cross-section, and the rear end of the charging head cooperates with the limiting hole to achieve anti-rotation.

[0013] By adopting the above-mentioned technical solution, when installing the charging head and the charging base, the charging base is installed on the inner side of the fixed base, and the charging head is installed on the outer side of the fixed base. The fixed connection between the fixed base and the inner side of the panel facilitates the stable installation of the charging head and the charging base. The non-circular limiting holes on the charging head and the fixed base cooperate to prevent the charging head from rotating relative to the fixed base so that the charging head cannot be well connected to the charging base, thereby preventing the connection between the charging head and the charging base from affecting the electrical connection between the primary induction coil and the control circuit board.

[0014] Furthermore, the limiting hole is a through hole that passes through the fixing seat, the charging head is electrically connected to the primary induction coil, one of the charging head and the control circuit board is provided with a first socket and a second socket, and the other is provided with a first pin and a second pin, and the first socket and the second socket are respectively connected with the first pin and the second pin by using the limiting hole.

[0015] By adopting the above-mentioned technical solution, the connection between the control circuit board and the primary induction coil is realized by the first socket and the second socket and the first pin and the second pin to realize electrical connection, which facilitates the primary induction coil and the control circuit board to be energized to realize inductive charging. The first pin and the second pin are respectively connected to the second socket and the second socket through the limiting hole to avoid the first pin, the second pin, the second socket and the second socket from abutting against the physical structure and affecting the electrical connection, thereby facilitating the connection between the control circuit board and the primary induction coil.

[0016] Furthermore, the first socket and the second socket are provided with plug-in holes, and the first plug pin and the second plug pin are correspondingly inserted into the plug-in holes to cooperate and realize electrical connection.

[0017] By adopting the above technical solution, when the first pin is connected to the first socket and the second pin is connected to the second socket, they are inserted into the plug hole, which improves the stability of the connection between the pin and the socket and avoids the possibility of the pin being detached from the socket and affecting the electrical connection.

[0018] Furthermore, the charging seat is provided with a pin base and a first placement hole that cooperates with the outer side wall of the pin base on the side facing the charging head, and the first pin and the second pin are supported by passing through the pin base.

[0019] By adopting the above-mentioned technical solution, the first pin and the second pin extend on the control circuit board toward the charging head, and pass through the pin base to obtain support during the extension process, thereby avoiding the possibility of the first pin and the second pin being bent or broken due to vibration.

[0020] Furthermore, the charging head is provided with a socket base and a second placement hole matched with the outer peripheral wall of the socket base on one side facing the charging seat, and the first socket and the second socket are supported by passing through the socket base.

[0021] By adopting the above-mentioned technical solution, the socket base is placed in cooperation with the second placement hole, and the socket is plugged into the socket base to support the socket, thereby preventing the socket from bending or breaking during the vibration of the appliance, and facilitating the plug-in connection between the pin and the socket.

[0022] Furthermore, a fool-proof insertion slot is provided on the side of the charging base facing the charging head, and the charging head is inserted into the insertion slot to achieve fool-proof installation of the charging head relative to the charging base.

[0023] By adopting the above-mentioned technical solution, the charging head is plugged into the anti-mistaken plug-in slot on the side of the charging base, so that the charging head and the charging base can be installed in an anti-mistaken manner, thereby preventing the charging head from being connected to the charging base with a deflected installation orientation, thereby preventing the first pin from being misaligned with the first socket and the second pin from being misaligned with the second socket when being plugged in, thereby preventing the charging function of the wireless charging from being affected.

[0024] Furthermore, a fixed seat is sandwiched between the charging head and the charging seat, and the fixed seat is fixed to the inner side of the panel. The charging head includes a first seat body and a second seat body located at the rear end of the first seat body. A receiving groove is provided on the side of the fixed seat facing the charging head, the first seat body cooperates with the receiving groove, and the second seat body passes through the fixed seat and cooperates with the plug-in slot.

[0025] By adopting the above-mentioned technical solution, the charging head is set into a first seat body and a second seat body. When the charging head is embedded, the first seat body is embedded in the accommodating groove, and the second seat body extends into the plug-in groove after passing through the fixed seat. The groove wall of the anti-foolproof plug-in groove cooperates with the outer peripheral wall of the second seat body to avoid deflection of the corresponding positions of the first pin and the second pin that are respectively plugged into the first socket and the second socket during the installation process of the charging seat and the charging head.

[0026] Furthermore, the charging seat is provided with a mounting groove connected to the plug-in groove on one side of the fixing seat, and a butt surface is formed at the connection between the mounting groove and the plug-in groove. The rear side surface of the fixing seat is provided with a connecting boss protruding backward, and the accommodating groove is located in the connecting boss. After the connecting boss is inserted into the mounting groove, it abuts against the butt surface, and the outer peripheral wall of the connecting boss is in contact with the wall of the mounting groove.

[0027] By adopting the above-mentioned technical solution, when the charging base is installed on the inner side of the fixed base, the connecting boss is inserted into the mounting groove, and the side of the connecting boss facing the charging base abuts against the abutting surface, so as to avoid the connecting boss not being fully inserted into the mounting groove and causing the charging base to axially disengage from the connecting boss, thereby improving the stability of the charging base. When the charging head is installed, the charging head passes through the connecting boss in the accommodating groove, so that the charging head is embedded in the connecting boss, reducing the length of the charging head protruding from the outer side surface of the fixed base, making it convenient for the fixed base to be fixed on the inner side surface of the panel.

[0028] Furthermore, a positioning column is provided on a side of the fixing seat facing the charging seat, and a positioning hole is provided on a side of the charging seat facing the fixing seat, and the positioning column cooperates with the positioning hole.

[0029] By adopting the above-mentioned technical solution, when the charging base is installed on the inner side of the fixed base, the positioning column on the fixed base is inserted into the positioning hole on the charging base to position the charging base in the circumferential direction, thereby preventing the charging base from rotating relative to the fixed base, causing the charging head to be unable to be well plugged into the plug-in slot, thereby affecting the fool-proof installation between the charging head and the charging base.

[0030] Furthermore, the primary induction coil is arranged on the induction circuit board, the induction circuit board is fixed to the charging head, the charging seat includes a base and a back cover, the control circuit board is clamped by the base and the back cover, the first fastener passes through the back cover, the control circuit board, the base and the charging head in sequence and is fastened to the induction circuit board, and the second fastener passes through the back cover and the base in sequence and is fastened to the fixed seat to clamp the control circuit board and the base.

[0031] By adopting the above-mentioned technical solution, the control circuit board is between the base and the back cover and is fastened together by a first fastener, and then the base, the back cover and the control circuit board are fastened together to the inner side of the fixing base by a second fastener, so as to prevent the base, the back cover or the control circuit board from moving relative to the fixing base and affecting the inductive charging. When the charging head is charging, it is connected to the control circuit board through the inductive circuit board, so as to facilitate inductive charging after the primary inductive coil is energized.

[0032] Furthermore, a placement groove is provided on the side of the charging head facing away from the charging base, and a positioning groove and a positioning protrusion are provided on the bottom wall of the placement groove. The sensing circuit board is arranged in the positioning groove and plugged into the positioning protrusion to position the circuit board.

[0033] By adopting the above-mentioned technical solution, when the induction circuit board is installed on the charging head, the induction circuit board is accommodated in the placement groove and positioned by the positioning groove and the positioning protrusion, so as to prevent the induction circuit board from detaching from the charging head housing and affecting the normal use of the induction circuit board.

[0034] Furthermore, the charging head is provided with a heat conducting plate located between the induction circuit board and the primary induction coil, and the heat conducting plate is in contact with the charging head housing to conduct heat.

[0035] By adopting the above-mentioned technical solution, heat will be generated when the induction circuit board and the primary induction coil are energized. By installing a heat conductive plate between the induction circuit board and the primary induction coil, the heat generated by the induction circuit board and the primary induction coil is transferred to the outside through the heat conductive plate and the back of the charging head shell, thereby preventing the induction circuit board and the primary induction coil from being overheated and affecting the induction charging.

[0036] Furthermore, a accommodating cavity for accommodating a control circuit board is provided on the side of the back cover facing the base, and an abutting rib is provided on the inner wall of the accommodating cavity. The abutting rib abuts the control circuit board to cooperate with the base to clamp the control circuit board, and an accommodating space for accommodating components on the control circuit board is formed between the side of the control circuit board facing away from the base and the inner wall of the accommodating cavity.

[0037] By adopting the above-mentioned technical solution, the control circuit board is clamped by the base and the back cover, and a receiving cavity is set on the side of the back cover facing the base, so that the components on the control circuit board are accommodated in the receiving cavity, and then abutted against the control circuit board through the abutting ribs. While stably installing the control circuit board, the back cover is prevented from abutting against the components on the control circuit board to avoid damage to the components.

[0038] Furthermore, the present invention also provides an electrical appliance, including an electrical appliance body, the electrical appliance body having a panel, the panel being provided with a mounting hole, and the above-mentioned wireless charging device being provided at the mounting hole.

[0039] By adopting the above-mentioned technical solution, the mounting hole opened on the panel is blocked by the charging head to visually weaken the installation traces of the mounting hole and the charging head, thereby reducing the impact of the mounting hole on the appearance of the electrical panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] The present invention will be further described below in conjunction with the accompanying drawings:

[0041] Figure 1 This is a schematic diagram of the installation of the charging head and charging base after assembly with the panel in the present invention;

[0042] Figure 2 This is a schematic diagram of the installation of the wireless charging device on the fixing base and the panel in the present invention;

[0043] Figure 3 It is an exploded schematic diagram of the overall structure of the present invention;

[0044] Figure 4 is a cross-sectional view of a wireless charging device of the present invention;

[0045] Figure 5 This is a schematic diagram of the connection between the first socket, the second socket, the first plug pin and the second plug pin in the present invention;

[0046] Figure 6 It is a schematic diagram of the installation of the charging head, the first socket and the second socket in the present invention;

[0047] Figure 7 This is an exploded schematic diagram of the connection between the charging head and the charging base in the present invention;

[0048] Figure 8 It is a schematic diagram of the structure of the fixing seat in the present invention;

[0049] Fig. 9 It is a structural schematic diagram of the installation slot and the plug-in slot in the present invention;

[0050] Fig.10 The schematic diagram of the installation of the charging head and the induction circuit board of the present invention is shown in FIG.

[0051] Fig.11 It is a schematic diagram of the installation of the heat conducting plate in the present invention;

[0052] Fig.12 The present invention is a schematic diagram of the installation of a panel in an electrical appliance and a wireless charging device. DETAILED DESCRIPTION

[0053] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0054] The terms "first", "second", etc. (if any) in the specification and claims of the present invention are used to distinguish similar objects, rather than to describe a specific order or sequence. Even if "second" is used to distinguish before a certain technical feature, it does not necessarily indicate that "first" is present. It should be understood that in the present invention, "including" and "having" and any of their variations are intended to cover non-exclusive inclusions. It should be understood that in the present invention, "multiple" refers to two or more. "And / or" is only a description of the association relationship of associated objects, indicating that three relationships can exist. For example, X and / or Y can represent: X exists alone, X and Y exist at the same time, and Y exists alone. The character " / " generally indicates that the associated objects before and after are in an "or" relationship. "Containing X, Y and Z", "Containing X, Y, Z" means that X, Y, and Z are all included, "Containing X, Y or Z" means that one of X, Y, and Z is included, and "Containing X, Y and / or Z" means that any one, any two, or three of X, Y, and Z are included.

[0055] The technical solution of the present invention is described in detail with specific embodiments below. The following specific embodiments can be combined or replaced with each other according to actual conditions, and the same or similar concepts or processes may not be described in detail in some embodiments.

[0056] like Figures 1 to 4 As shown, the present invention provides a wireless charging device, including a charging head 31 and a charging seat 32. The charging head 31 is provided with a primary induction coil 312 for inductive charging, and the charging seat 32 is provided with a control circuit board 321. The primary induction coil 312 is electrically connected to the control circuit board 321. The charging head 31 is embedded in the mounting hole 11, and the charging seat 32 is installed on the inner side of the panel 1 and connected to the charging head 31. The outer peripheral side wall of the charging head 31 is fitted with the hole wall of the mounting hole 11 to block the mounting hole 11, thereby reducing the influence of the mounting hole 11 on the appearance of the panel 1.

[0057] In the prior art, the metal appearance of the electrical appliance body is maintained by installing buttons. However, when the buttons are used, appropriate movable space needs to be reserved for pressing the buttons. Therefore, a certain space needs to be reserved between the buttons and the panel 1, resulting in obvious assembly marks between the buttons and the hole wall in terms of visual effects.

[0058] In this embodiment, if Figure 4As shown, the charging head 31 includes a charging head body. When the charging head 31 is installed, the charging head body is embedded in the mounting hole 11 from the outside of the panel 1, and the rear end of the charging head body is connected to the charging seat 32. The front end of the charging head body is circumferentially fitted with the hole wall of the mounting hole 11 to block the mounting hole 11, and the edge of the front end surface of the charging head body is flush with the outer side surface of the panel 1, thereby visually weakening the assembly traces of the mounting hole 11 and the charging head 31, and maintaining the appearance of the panel 1. In addition, the "fitting" mentioned in the present invention is not limited to the situation where the two are completely close to each other. Considering the influencing factors such as processing accuracy and assembly accuracy, a small gap is allowed between the outer peripheral side wall of the charging head body and the hole wall of the mounting hole 11. Of course, these gaps are still not as obvious as the gaps in the prior art visually; and when the outer peripheral side wall of the charging head body and the hole wall of the mounting hole 11 are interference fit, the outer peripheral side wall of the charging head 31 can basically be completely close to the hole wall of the mounting hole 11, which can not only weaken the assembly traces of the mounting hole 11 and the charging head 31, but also have a certain waterproof effect. In addition, due to the influence of the processing accuracy of the charging head body and the mounting hole 11, the cross-section of the outer peripheral side wall of the charging head 31 and the hole wall of the mounting hole 11 may not be a very standard circle. Therefore, the fit between the outer peripheral side wall of the charging head body in this embodiment and the hole wall of the mounting hole 11 may be that a smaller part is not completely fitted in the circumferential direction of the mounting hole 11 while the rest of the larger part is completely fitted.

[0059] In another embodiment, to further cover the mounting hole 11, as shown in FIG. Figure 3 and Figure 4 As shown, the charging head 31 includes a charging head body and a cover body 311. The rear end of the charging head body is connected to the charging seat 32 and is recessed inwardly relative to the outer side of the panel 1. The cover body 311 is located at the front end of the charging head body 31. The cover body 311 is assembled in the mounting hole 11 and is circumferentially fitted with the hole wall of the mounting hole 11 to block the mounting hole 11. The edge of the outer side surface of the cover body 311 is flush with the outer side surface of the panel 1. The charging head body is in the mounting hole 11 and recessed in the outer side surface of the panel 1, so that the edge of the outer side surface of the cover body 311 is flush with the outer side surface of the panel 1, thereby weakening the installation traces of the mounting hole 11 and the charging head 31. When the mounting hole 11 and the charging head 31 are interference fit, the outer peripheral side wall of the charging head 31 will be deformed to a certain extent after the charging head 31 is installed. The cover body 311 cooperates with the mounting hole 11 to avoid a certain deformation of the charging head 31 body and cause deformation of the primary induction coil 312.

[0060] When installing the charging head 31 and the charging base 32, Figure 1 As shown, the charging head 31 and the charging seat 32 are first assembled together, and then the charging head 31 is embedded in the mounting hole 11 from the inner side of the panel 1, and then the charging head 31 and the charging seat 32 are integrated and installed on the inner side of the panel 1 from back to front. Figure 3 and Figure 4 As shown, the front end surface of the charging seat 32 abuts against the inner side of the panel 1 , and the charging head 31 is embedded in the mounting hole 11 so that the charging head 31 blocks the mounting hole 11 .

[0061] In another embodiment, the charging base 32 is first fixed, and then when the charging head 31 is installed from front to back, in order to ensure the stable connection between the charging base 32 and the charging head 31 and the stability after installation, Figure 3 As shown, a fixing seat 2 is detachably provided on the inner side surface of the panel 1, and the fixing seat 2 can be detachably fixed by bolts or by gluing; the fixing seat 2 can also be fixed to the inner side surface of the panel 1 by welding; when installing the charging head 31 and the charging seat 32, first install the charging seat 32 on the inner side of the fixing seat 2 to prevent rotation, and then install the charging head 31 on the front side of the fixing seat 2 and clamp the fixing seat 2 with the charging seat 32. After the charging seat 32 stops rotating, it is convenient for the charging head 31 to stably connect to the charging seat 32, avoiding the deflection and misalignment of the charging head 31 and the charging seat 32.

[0062] In another embodiment, if Figure 4 and Figure 5 As shown, the charging head 31 is provided with a first socket 3121 and a second socket 3122 connected to the primary induction coil 312, and the control circuit board 321 is provided with a first pin 3211 and a second pin 3212; the first socket 3121 and the second socket 3122 are respectively the positive and negative electrodes of the primary induction coil 312, the first pin 3211 and the second pin 3212 are the positive and negative electrodes of the control circuit board 321, the first socket 3121 is electrically connected to the first pin 3211, and the second socket 3122 is electrically connected to the second pin 3212 to achieve inductive charging. In this embodiment, the first socket 3121 and the second socket 3122 can also be transmission pins of two different signals, the first pin 3211 and the second pin 3212 are transmission pins of two signals corresponding to the first socket 3121 and the second socket 3122, the first socket 3121 is electrically connected to the first pin 3211, and the second socket 3122 is electrically connected to the second pin 3212 to achieve signal transmission.

[0063] To facilitate the corresponding connection between the first socket 3121 and the first pin 3211, and the corresponding connection between the second socket 3122 and the second pin 3212, as shown in FIG. Figure 4As shown, a mounting through hole 21 is provided on the fixing seat 2, and the cross-section of the mounting through hole 21 is non-circular. The charging head 31 is provided on the outside of the fixing seat 2 and the inner side of the charging head 31 is embedded in the mounting through hole 21 and adapted to the hole wall of the mounting through hole 21, so that the first pin 3211 corresponds to the first socket 3121, and the second pin 3212 corresponds to the second socket 3122, thereby avoiding the possibility of misalignment of the first pin 3211 and the first socket 3121, and the second pin 3212 and the second socket 3122.

[0064] In this embodiment, if Figure 5 and Figure 6 As shown, a plug-in hole 3125 is provided on the side of the first socket 3121 and the second socket 3122 facing the charging seat 32, and the first pin 3211 and the second pin 3212 respectively cooperate with the plug-in holes 3125 of the first socket 3121 and the second socket 3122 to realize the electrical connection between the first pin 3211 and the first socket 3121; a guide ring 3126 is provided on the side of the first socket 3121 and the second socket 3122 facing the charging seat 32, and the inner ring surface of the guide ring 3126 is a guide surface 3127. The first pin 3211 and the second pin 3212 are guided by the guide surface 3127 when they are plugged in, so as to facilitate the plug-in cooperation of the first pin 3211 and the second pin 3212 with the plug-in hole 3125 and avoid deviation from the plug-in hole 3125 during plugging.

[0065] To prevent the first plug pin 3211, the second plug pin 3212, the first socket 3121 and the second socket 3122 from bending or breaking, Figure 7 As shown, a socket base 3123 and a second placement hole 3124 adapted to the outer wall of the socket base 3123 are provided on the side of the charging head 31 facing the charging seat 32, and the first socket 3121 and the second socket 3122 are plugged into the socket base 3123 to obtain support, thereby improving the stability of the first socket 3121 and the second socket 3122 and avoiding bending or breaking of the first socket 3121 and the second socket 3122; a pin base 3213 is provided on the side of the control circuit board 321 facing the charging head 31, and the charging seat 32 is provided with a first placement hole 3214 adapted to the outer wall of the pin base 3213, and the first pin 3211 and the second pin 3212 are plugged into the pin base 3213 to obtain support when extending toward the charging head 31, thereby avoiding bending or breaking of the first pin 3211 and the second pin 3212.

[0066] In another embodiment, a first socket 3121 and a second socket 3122 may be provided on the control circuit board 321, and the charging head 31 may be provided with a first pin 3211 and a second pin 3212 connected to the primary induction coil 312, and the first socket 3121 and the second socket 3122 may be plugged and connected to the first pin 3211 and the second pin 3212 respectively.

[0067] In another embodiment, if Figure 7 and Figure 8 As shown, the charging head 31 includes a first seat body 313 and a second seat body 314 that protrudes toward the charging seat 32 relative to the first seat body 313. The cross-section of the outer peripheral wall of the second seat body 314 is non-circular. A receiving groove 221 is provided on the side of the fixed seat 2 facing the charging head 31. A connecting boss 22 that protrudes backward is provided on the rear side of the fixed seat 2. The receiving groove 221 is located on the connecting boss 22, and the receiving groove 221 is coaxial with the connecting boss 22. The fixed seat 2 is also provided with a mounting through hole 220 that connects the inner and outer sides of the fixed seat 2. 1. The hole wall of the mounting through hole 21 is non-circular. The mounting through hole 21 is located on the connecting boss 22 and is connected to the receiving groove 221. When the charging head 31 is installed, the second seat body 314 moves from the outside to the inside of the fixing seat 2, so that the second seat body 314 extends into the receiving groove 221 and then passes through the mounting through hole 21, so that the first seat body 313 is embedded in the receiving groove 221. The non-circular cross-sections of the second seat body 314 and the mounting through hole 21 are mutually adapted D-shaped, thereby preventing the charging head 31 from being fooled and installed on the fixing seat 2.

[0068] like Figure 7 , Figure 8 and Fig. 9 As shown, a foolproof plug-in slot 3222 and a mounting slot 3223 are provided on the side of the charging seat 32 facing the fixed seat 2. The mounting slot 3223 is located on the side of the charging seat 32 close to the fixed seat 2, and a contact table 3224 is formed at the connection between the mounting slot 3223 and the plug-in slot 3222. When installing the charging seat 32, the charging seat 32 is sleeved with the connecting boss 22 and the charging seat 32 is slid along the axial direction until the connecting boss 22 contacts the contact table 3224 to stably install the charging seat 32 in the axial direction, and the outer peripheral side wall of the connecting boss 22 is in contact with the groove wall of the mounting slot 3223 to stabilize the charging seat 32 in the radial direction. When the connecting boss 22 contacts the contact table 3224, the second seat body 314 extends into the plug-in slot 3222, and the outer peripheral side wall of the second seat body 314 contacts the groove wall of the plug-in slot 3222 to achieve foolproof installation of the charging seat 32 and the charging head 31.

[0069] To facilitate the insertion of the second seat body 314 and the insertion slot 3222, as shown in FIG. Figure 8 and Fig. 9As shown, a positioning column 23 is provided on one side of the fixing seat 2 facing the charging seat 32, and a positioning hole 3221 is provided on one side of the charging seat 32 facing the fixing seat 2. As the charging seat 32 and the connecting boss 22 are sleeved, the positioning column 23 is inserted into the positioning hole 3221 to limit the rotation of the charging seat 32, thereby facilitating the plug-in cooperation between the second seat body 314 and the plug-in groove 3222, and the outer peripheral side wall of the second seat body 314 is in contact with the groove wall of the plug-in groove 3222. In order to improve the anti-rotation effect, there are multiple positioning columns 23 and positioning holes 3221 distributed circumferentially, and multiple positioning columns 23 are plugged into multiple positioning holes 3221 one by one, thereby improving the anti-rotation effect of the charging seat 32.

[0070] like Figure 8 and Fig. 9 As shown, a concave cavity 24 is provided on the side of the fixed seat 2 facing the charging seat 32, and an anti-skid pad 241 is provided on the bottom wall of the concave cavity 24. A groove 3225 is provided on the side of the charging seat 32 facing the fixed seat 2. After the charging seat 32 is sleeved on the connecting boss 22, the anti-skid pad 241 is inserted into the groove 3225. The anti-skid pad 241 reduces the possibility of sliding of the charging seat 32 during installation. There are multiple anti-skid pads 241 and grooves 3225 distributed along the circumference of the charging seat 32. Multiple grooves 3225 are correspondingly plugged into multiple anti-skid pads 241 to improve the anti-skid effect. The anti-skid pad 241 reduces the impact force between the fixed seat 2 and the charging seat 32 during vibration, thereby avoiding damage to the charging seat 32 and the fixed seat 2 due to vibration.

[0071] In another embodiment, if Figure 3 and Figure 4 As shown, the charging stand 32 includes a base 322 and a back cover 323. The back cover 323 is provided with a receiving cavity 3231 for receiving the control circuit board 321 on the side facing the base 322. The inner wall of the receiving cavity 3231 is provided with abutting ribs 3232. The control circuit board 321 is clamped by the base 322 and the back cover 323. The abutting ribs 3232 abut on the control circuit board 321 to cooperate with the base 322 to clamp the control circuit board 321. A receiving space for the components on the control circuit board 321 is formed between the side of the control circuit board 321 opposite to the base 322 and the inner wall of the receiving cavity 3231 to avoid the possibility of the components on the control circuit board 321 being squeezed and damaged. Figure 4 and Fig.10As shown, an inductive circuit board 3134 is provided in the charging head 31, and the primary inductive coil 312 is provided on the inductive circuit board 3134. A first fastener 324 and a second fastener 325 are provided on the back cover 323. The first fastener 324 passes through the back cover 323, the control circuit board 321, the base 322 and the charging head 31 in sequence and is fastened to the inductive circuit board 3134 to prevent the charging base 32 from being detached from the charging head 31. The second fastener 325 passes through the back cover 323 and the base 322 in sequence and is tightly connected to the fixing base 2 to clamp the control circuit board 321 and the base 322 to prevent the charging base 32 from being detached from the fixing base 2.

[0072] In order to stably install the sensing circuit board 3134 on the charging head 31, as shown in FIG. Figure 4 and Fig.10 As shown, a placement groove 3131 is provided on the side of the charging head 31 facing away from the charging seat 32, a positioning groove 3132 and a positioning protrusion 3133 are provided on the bottom wall of the placement groove 3131, a positioning hole 3135 corresponding to the positioning protrusion 3133 is provided on the sensing circuit board 3134, the sensing circuit board 3134 is placed in the placement groove 3131, the outer peripheral side wall of the sensing circuit board 3134 is fitted with the groove wall of the positioning groove 3132 and the positioning protrusion 3133 extends into the positioning hole 3135, thereby positioning the sensing circuit board 3134, so as to facilitate the first fastener 324 to be fastened and connected to the sensing circuit board 3134.

[0073] like Fig.11 As shown, in order to avoid the possibility of damage to the primary induction coil 312 and the induction circuit board 3134 due to overheating, a heat conducting plate 315 is provided between the induction circuit board 3134 and the primary induction coil 312. The outer shell of the charging head 31 is made of a heat conducting material. The outer peripheral side wall of the heat conducting plate 315 contacts the inner wall of the outer shell for heat conduction, thereby avoiding damage to the primary induction coil 312 and the induction circuit board 3134 due to overheating.

[0074] like Fig.12 As shown, in another embodiment, the present invention further provides an electrical appliance, including an electrical appliance body, the electrical appliance body having a panel 1, the panel 1 being provided with a mounting hole 11, the wireless charging device being embedded in the mounting hole 11 to maintain the appearance of the panel 1, and the wireless charging device wirelessly charges a controller adsorbed on the panel.

[0075] In addition to the above-mentioned preferred embodiments, the present invention also has other implementation modes. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work are within the scope of protection requested by the present invention.

Claims

1. A wireless charging device, characterized in that: It includes a charging head and a charging base, wherein the charging head is provided with a primary induction coil for inductive charging, the charging base is provided with a control circuit board, the primary induction coil is electrically connected to the control circuit board, the charging head is embedded in the mounting hole from the outside of the panel and then connected to the charging base, or the charging head is embedded in the mounting hole from the inside of the panel after being connected to the charging base, and the outer peripheral side wall of the charging head is fitted with the hole wall of the mounting hole to seal the mounting hole.

2. The wireless charging device according to claim 1, characterized in that: The charging head includes a charging head body and a cover body. The rear end of the charging head body is connected to the charging seat and is recessed inwardly relative to the outer side of the panel. The cover body is located at the front end of the charging head body. The cover body is assembled in the mounting hole and is circumferentially fitted with the hole wall of the mounting hole to block the mounting hole. The edge of the outer side surface of the cover body is flush with the outer side surface of the panel; or, the charging head includes a charging head body. The rear end of the charging head body is connected to the charging seat. The front end of the charging head body is circumferentially fitted with the hole wall of the mounting hole to block the mounting hole. The edge of the front end surface of the charging head body is flush with the outer side surface of the panel.

3. The wireless charging device according to claim 1, characterized in that: The rear end of the charging head is fixed to the charging base, and the charging base is installed from back to front and fixed to the inner side of the panel; or, the charging head is installed from front to back and connected and fixed to the charging base located on the inner side of the panel.

4. The wireless charging device according to claim 1, characterized in that: A fixing seat is sandwiched between the charging head and the charging seat. The fixing seat is fixed to the inner side of the panel. The fixing seat is provided with a limiting hole with a non-circular cross-section. The rear end of the charging head cooperates with the limiting hole to achieve anti-rotation.

5. The wireless charging device according to claim 4, characterized in that: The limiting hole is a through hole that passes through the fixing seat. The charging head is electrically connected to the primary induction coil. One of the charging head and the control circuit board is provided with a first socket and a second socket, and the other is provided with a first pin and a second pin. The first socket and the second socket are respectively connected with the first pin and the second pin by using the limiting hole.

6. The wireless charging device according to claim 5, characterized in that: The first socket and the second socket are provided with plugging holes, and the first plug pin and the second plug pin are correspondingly inserted into the plugging holes to cooperate and realize electrical connection.

7. The wireless charging device according to claim 5, characterized in that: The charging seat is provided with a pin base and a first placement hole matched with the outer side wall of the pin base on the side facing the charging head, and the first pin and the second pin are supported by passing through the pin base.

8. The wireless charging device according to claim 5, characterized in that: A socket base and a second placement hole matched with the outer peripheral wall of the socket base are provided on the side of the charging head facing the charging seat, and the first socket and the second socket are supported by passing through the socket base.

9. The wireless charging device according to claim 1, characterized in that: The charging seat is provided with a fool-proof insertion slot on one side facing the charging head, and the charging head is inserted into the insertion slot to achieve fool-proof installation of the charging head relative to the charging seat.

10. The wireless charging device according to claim 9, characterized in that: A fixing seat is sandwiched between the charging head and the charging seat, and the fixing seat is fixed to the inner side of the panel. The charging head includes a first seat body and a second seat body located at the rear end of the first seat body. A receiving groove is provided on the side of the fixing seat facing the charging head, the first seat body cooperates with the receiving groove, and the second seat body passes through the fixing seat and cooperates with the plug-in groove.

11. The wireless charging device according to claim 10, characterized in that: The charging seat is provided with a mounting groove connected to the plug-in groove on one side of the fixing seat, and a butt surface is formed at the connection between the mounting groove and the plug-in groove. The rear side surface of the fixing seat is provided with a connecting boss protruding backward, and the accommodating groove is located in the connecting boss. After the connecting boss is inserted into the mounting groove, it abuts against the butt surface, and the outer peripheral wall of the connecting boss is in contact with the wall of the mounting groove.

12. The wireless charging device according to claim 1, characterized in that: A positioning column is provided on a side of the fixing seat facing the charging seat, and a positioning hole is provided on a side of the charging seat facing the fixing seat, and the positioning column cooperates with the positioning hole.

13. The wireless charging device according to claim 1, characterized in that: The primary induction coil is arranged on the induction circuit board, the induction circuit board is fixed to the charging head, the charging seat includes a base and a back cover, the control circuit board is clamped by the base and the back cover, the first fastener passes through the back cover, the control circuit board, the base and the charging head in sequence and is fastened to the induction circuit board, the second fastener passes through the back cover and the base in sequence and is fastened to the fixing seat to clamp the control circuit board and the base.

14. The wireless charging device according to claim 13, characterized in that: A placement groove is provided on the side of the charging head facing away from the charging seat, and a positioning groove and a positioning protrusion are provided on the bottom wall of the placement groove. The induction circuit board is arranged in the positioning groove and plugged with the positioning protrusion to position the circuit board.

15. The wireless charging device according to claim 13, characterized in that: The charging head is provided with a heat conducting plate located between the induction circuit board and the primary induction coil, and the heat conducting plate is in contact with the charging head housing to conduct heat.

16. The wireless charging device according to claim 15, characterized in that: The side of the back cover facing the base is provided with a receiving cavity for receiving the control circuit board, the inner wall of the receiving cavity is provided with abutment ribs, the abutment ribs abut the control circuit board to cooperate with the base to clamp the control circuit board, and a receiving space for receiving components on the control circuit board is formed between the side of the control circuit board facing away from the base and the inner wall of the receiving cavity.

17. An electrical appliance, comprising an electrical appliance body, the electrical appliance body having a panel, characterized in that: The panel is provided with a mounting hole, and the mounting hole is provided with a wireless charging device as described in any one of claims 1 to 16.

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