Wireless charging device for hearing aid

Abstract

The utility model relates to the field of hearing aid charging, in particular to a wireless charging device for a hearing aid, the wireless charging device is used for being attached to equipment with a wireless transmitting function, a charger body is internally provided with an installation cavity, the installation cavity is internally provided with a wireless receiving assembly, and the wireless receiving assembly is connected with the wireless charging device. The wireless receiving assembly comprises a wireless receiving coil and a wireless charging control circuit board. The wireless receiving coil is used for receiving electromagnetic waves emitted from the outside and converting the electromagnetic waves into currents. Current modulated and regulated by the wireless charging control circuit board is stored in the storage battery. According to the charging type hearing aid, when the charging type hearing aid is charged, a large-size charging box does not need to be carried, the charging type hearing aid is convenient to use, the internal space of the charging type hearing aid can be optimized, and production of hearing aids with smaller sizes is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of hearing aid charging, in particular to a wireless charging device that can be used for hearing aids. Background Art

[0002] Existing wireless charging hearing aids require a charging box (transmitter) to charge, and the charging box is large and inconvenient to carry when going out. Existing high-end mobile phones have a wireless reverse charging function. Based on the original wireless coil that can only receive wireless charging electromagnetic waves, the wireless coil can emit electromagnetic waves in reverse to charge other devices that support wireless charging.

[0003] The receiving device in the wireless charging hearing aid is placed in a small area inside the shell, which makes the hearing aid bulky and is not conducive to the production of smaller hearing aids. In addition, the contact between the wireless charging hearing aid and the charging box needs to be limited by other means to make the distance between the transmitting and receiving coils closer and obtain a better charging effect. Therefore, it is necessary to design a hearing aid charging device that is easy to carry, does not require wires, and has no charging limit restrictions. Utility Model Content

[0004] In order to solve at least one technical problem existing in the background technology, the utility model proposes a wireless charging device that can be used for hearing aids. The overall device is small in size and is suitable for a variety of wireless transmitting devices, reducing the problem of difficulty in charging hearing aids.

[0005] The utility model provides a wireless charging device for hearing aids, the wireless charging device is used to be attached to a device with a wireless transmission function, the wireless charging device comprises: a charger body, a mounting cavity is provided in the charger body, and the mounting cavity is provided with:

[0006] A wireless receiving component, the wireless receiving component includes a wireless receiving coil and a wireless charging control circuit board, the wireless receiving coil is used to receive externally emitted electromagnetic waves and convert them into electric current;

[0007] A battery, wherein the battery stores current modulated and voltage-regulated by the wireless charging control circuit board;

[0008] A power management control board, the power management control board is electrically connected to the battery, the power management control board is also connected to an output charging terminal, one end of the output charging terminal passes through the charger body, the power management control board converts the current in the battery or the wireless charging control circuit board, and supplies the current to the external hearing aid through the output charging terminal; the charger body is also provided with an electromagnet and a start button.

[0009] Preferably, the charger body comprises a receiving end face and a transmitting end face, and a plurality of snap-fit ​​buckles are provided between the receiving end face and the transmitting end face.

[0010] Preferably, a heat dissipation component is further provided in the installation cavity, and the heat dissipation component is arranged below the wireless receiving coil.

[0011] Preferably, the heat dissipation component includes a vortex fan, and the vortex fan is connected to a battery.

[0012] Preferably, a plurality of air outlet holes and air inlet holes are provided on the receiving end surface, the air inlet end of the vortex fan is abutted against the wireless receiving coil, the air outlet end of the vortex fan faces the air outlet holes, and the air inlet holes are arranged around the air outlet holes.

[0013] Preferably, the electromagnet is located on the receiving end surface, and the center of the electromagnet and the center of the wireless receiving coil are on the same axis.

[0014] Preferably, the electromagnet is in a circular shape and is provided with a protective cover.

[0015] Preferably, the wireless charging control circuit board is also provided with a plurality of LED indicator lights.

[0016] Preferably, a plurality of indicator light holes corresponding to the LED indicator lights are provided on the emitting end surface.

[0017] Preferably, the wireless charging control circuit board is also provided with a USB charging port.

[0018] The beneficial effects brought by the utility model are:

[0019] 1. The utility model can realize charging of the rechargeable hearing aid without carrying a large charging box, which is easy to use. The utility model can optimize the internal space of the rechargeable hearing aid, which is conducive to the production of smaller hearing aids.

[0020] 2. Wireless charging hearing aids can be compatible with various charging devices, such as reverse charging mobile phones, charging stands, etc., and are convenient and compatible.

[0021] 3. The utility model eliminates the strict structural limitations such as position, distance, angle, etc. between the wireless charging hearing aid and the charging box. The electromagnet can enhance the magnetic flux between the transmitting device and the receiving coil, thereby improving the transmission efficiency. On the other hand, as a positioning device between the transmitting and receiving devices, it is convenient for the equipment to be positioned quickly and correctly. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings constituting a part of the present invention are used to provide a further understanding of the present invention, so that other features, purposes and characteristics of the present invention become more obvious. The drawings and descriptions of the exemplary embodiments of the present invention are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0023] Figure 1 This is a schematic diagram of the overall layout of the wireless charging device provided by the utility model.

[0024] Figure 2 A side view of a wireless charging device provided in one embodiment of the utility model.

[0025] Figure 3 A bottom view of a wireless charging device provided in one embodiment of the utility model.

[0026] Figure 4 A schematic diagram of the internal structure of a wireless charging device provided in one embodiment of the utility model.

[0027] Figure 5 A schematic cross-sectional view of a wireless charging device provided in one embodiment of the utility model.

[0028] In the figure: charger body 1, mounting cavity 10, receiving end surface 11; air outlet 111; air inlet 112, transmitting end surface 12, indicator light hole 121; snap buckle 13; wireless receiving component 2, wireless receiving coil 21; wireless charging control circuit board 22; LED indicator light 23; USB charging port 24; battery 3, power management control board 4, output charging terminal 41; electromagnet 5; protective cover 51; heat dissipation component 6; vortex fan 61; air inlet end 62; air outlet end 63; start button 7. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] The utility model discloses a wireless charging device that can be used for hearing aids

[0034] Example 1 Figure 1-5 As shown:

[0035] A wireless charging device for hearing aids, the wireless charging device is used to be attached to a device with a wireless transmitting function, and the transmitting device can be any wireless charging transmitting device, such as a mobile phone with a reverse charging function, a wireless charger for a mobile phone, a car-mounted wireless charging device, a public wireless charging device, etc. The present embodiment adopts a mobile phone with a reverse charging function. Smart phones are now a necessity for people to carry with them, and some high-end models include a wireless reverse charging function, so they are more suitable wireless transmitting ends.

[0036] The wireless charging device involved in the utility model includes: a charger body 1, the charger body 1 includes a receiving end face 11 and a transmitting end face 12, the receiving end face 11 and the transmitting end face 12 are buckled to form an installation cavity 10, all the internal electronic components are in the installation cavity 10, a plurality of snap buckles 13 are provided between the receiving end face 11 and the transmitting end face 12, the receiving end face 11 and the transmitting end face 12 are fixed together by the snap buckles 13 and the snap buckle grooves, and further, the receiving end face 11 and the transmitting end face 12 are reinforced by screws.

[0037] As an embodiment of the utility model, a mounting cavity 10 is provided in the charger body 1, and the mounting cavity 10 is provided with: a wireless receiving component 2, a battery 3, a power management control board 4 and a heat dissipation component 6.

[0038] The utility model relates to a wireless receiving component 2, which includes a wireless receiving coil 21 and a wireless charging control circuit board 22. The wireless receiving coil 21 is used to receive externally emitted electromagnetic waves and convert them into current;

[0039] The utility model relates to a battery 3, which stores current modulated and voltage-regulated by a wireless charging control circuit board 22; the battery 3 plays a role of temporarily storing electricity, and can provide a stable and constant charging current for the hearing aid, thereby improving the stability of the hearing aid.

[0040] The utility model relates to a power management control board 4, which is electrically connected to a storage battery 3, and is also connected to an output charging terminal 41, one end of which passes through a charger body 1, and the power management control board 4 converts the current in the storage battery 3 or the wireless charging control circuit board 22, and supplies the current to an external hearing aid through the output charging terminal 41. The utility model eliminates the strict structural restrictions such as position limit, distance, angle, etc. between the wireless charging hearing aid and the charging box.

[0041] The charger body 1 is also provided with an electromagnet 5 and a start button 7. The electromagnet 5 is located on the receiving end surface 11, and the center of the electromagnet 5 and the center of the wireless receiving coil 21 are on the same axis. The start button 7 can wake up the entire power management control board 4 and use the battery 3 to temporarily charge the hearing aid.

[0042] The electromagnet 5 can cooperate with the magnet in the wireless reverse charging of the mobile phone. The electromagnet 5 can not only play the function of rapid positioning, but also make the transmitting device and the charging protocol conversion device close to each other, thereby improving the recognition efficiency and energy transfer efficiency, and has the characteristics of high efficiency.

[0043] The electromagnet 5 is in a circular shape and is provided with a protective cover 51, which covers the electromagnet 5 and can prevent external magnetic particles from adhering to the electromagnet 5. It can also serve as an identification function to display the position of the electromagnet 5 and locate it more quickly in the center of the wireless transmitter.

[0044] A heat dissipation component 6 is also provided in the installation cavity 10, and the heat dissipation component 6 is provided below the wireless receiving coil 21. During the wireless charging process, the transmitting coil in the wireless transmitting mobile phone and the wireless receiving coil 21 in the wireless charging device generate a large amount of current, which will cause the temperature of the connection to rise. If the temperature is not reduced in time, the service life and stability of the device will be affected. By adding a small heat dissipation component 6, the air flow with the outside is improved to take away the heat generated during the wireless charging process.

[0045] As an embodiment of the utility model, the heat dissipation component 6 includes a vortex fan 61, which is connected to the battery 3. The battery 3 can not only provide power for the hearing aid, but also provide a power source for the vortex fan 61 in the heat dissipation component 6 to rotate.

[0046] The receiving end surface 11 is provided with evenly arranged air outlet holes 111 and air inlet holes 112 , the air inlet end 62 of the vortex fan 61 is against the wireless receiving coil 21 , the air outlet end 63 of the vortex fan 61 faces the air outlet holes 111 , and the air inlet holes 112 are arranged around the air outlet holes 111 .

[0047] The wireless charging control circuit board 22 is also provided with a plurality of LED indicator lights 23, and the transmitting end surface 12 is provided with a plurality of indicator light holes 121 corresponding to the LED indicator lights 23. Through the indicator light holes 121, the status of the indicator light 23 can be observed to check whether the hearing aid is in a charging state and whether the hearing aid is fully charged.

[0048] The wireless charging control circuit board 22 is also provided with a USB charging port 24. In the case of external wires, the entire device can also be charged directly through the wires, thereby directly charging the hearing aid.

[0049] When the user is at home, they can choose a hearing aid charging box, or use a USB cable in conjunction with the wireless charging device designed in this utility model to charge the hearing aid. When going out, there is no need to carry a charging box, and charging can be achieved with the help of a mobile phone or other device with a reverse charging function. There is no need to worry about different charging devices being incompatible with hearing aids, which provides certain conveniences for users. Magnetic contact can be used between the transmitting device and the charging protocol conversion device, making the distance between the devices closer and the connection more secure. The hearing aid is charged by connecting the receiving device through metal contacts, eliminating the strict structural restrictions such as limit, distance, and angle between the wireless charging hearing aid and the charging box.

[0050] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0051] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model shall be based on the attached claims.

Claims

1. A wireless charging device for hearing aids, the wireless charging device is used to be attached to a device with a wireless transmission function, characterized in that: The wireless charging device comprises: a charger body (1), wherein a mounting cavity (10) is provided in the charger body (1), wherein the mounting cavity (10) is provided with: A wireless receiving component (2), the wireless receiving component (2) comprising a wireless receiving coil (21) and a wireless charging control circuit board (22), the wireless receiving coil (21) being used to receive externally emitted electromagnetic waves and convert them into electric current; A storage battery (3), wherein the storage battery (3) stores a current modulated and voltage-regulated by a wireless charging control circuit board (22); A power management control board (4), the power management control board (4) being electrically connected to the storage battery (3), the power management control board (4) being further connected to an output charging terminal (41), one end of the output charging terminal (41) passing through the charger body (1), the power management control board (4) converting the current in the storage battery (3) or the wireless charging control circuit board (22) and supplying the current to the external hearing aid through the output charging terminal (41); The charger body (1) is also provided with an electromagnet (5) and a start button (7).

2. A wireless charging device for hearing aids according to claim 1, characterized in that: The charger body (1) comprises a receiving end surface (11) and a transmitting end surface (12), and a plurality of snap-fit ​​buckles (13) are provided between the receiving end surface (11) and the transmitting end surface (12).

3. A wireless charging device for hearing aids according to claim 2, characterized in that: A heat dissipation component (6) is also provided in the installation cavity (10), and the heat dissipation component (6) is arranged below the wireless receiving coil (21).

4. A wireless charging device for hearing aids according to claim 3, characterized in that: The heat dissipation component (6) comprises a vortex fan (61), and the vortex fan (61) is connected to the battery (3).

5. A wireless charging device for hearing aids according to claim 4, characterized in that: A plurality of air outlet holes (111) and air inlet holes (112) are provided on the receiving end surface (11); the air inlet end (62) of the vortex fan (61) is abutted against the wireless receiving coil (21); the air outlet end (63) of the vortex fan (61) faces the air outlet holes (111); and the air inlet holes (112) are arranged around the air outlet holes (111).

6. A wireless charging device for hearing aids according to claim 2, characterized in that: The electromagnet (5) is located on the receiving end surface (11), and the center of the electromagnet (5) and the center of the wireless receiving coil (21) are located on the same axis.

7. A wireless charging device for hearing aids according to claim 6, characterized in that: The electromagnet (5) is in the shape of a ring and is provided with a protective cover (51).

8. A wireless charging device for hearing aids according to claim 7, characterized in that: The wireless charging control circuit board (22) is also provided with a plurality of LED indicator lights (23).

9. A wireless charging device for hearing aids according to claim 8, characterized in that: The emission end surface (12) is provided with a plurality of indicator light holes (121) corresponding to the LED indicator lights (23).

10. A wireless charging device for hearing aids according to claim 9, characterized in that: The wireless charging control circuit board (22) is also provided with a USB charging port (24).

Images