Coil device and electronic apparatus

Abstract

The utility model provides a coil device and electronic equipment. Relates to the technical field of electronic equipment. The coil device comprises the components of a substrate; the first coil is used for providing a first function; the first coil is arranged in the first area of the substrate, two ends of the first coil form a first interface, and the first interface corresponds to the first function; a second coil for providing a second function; the second interface is arranged in the second area of the substrate and corresponds to the second function; the circuit board is connected with the first end of the second coil and the second end of the second coil, the circuit board comprises a second interface, and the first area and the second area are not overlapped.

Description

Technical Field

[0001] The present application relates to the technical field of electronic equipment, and in particular to a coil device and an electronic equipment. Background Art

[0002] At present, in order to provide users with a better experience, electronic devices provide near field communication (such as NFC) functions, so that electronic devices can perform near field communication such as access control when they are close to corresponding devices. At the same time, electronic devices also provide wireless charging functions, so that electronic devices can obtain energy to charge electronic devices when they are close to charging devices. Both functions require corresponding coils to be implemented, and they occupy different spaces in electronic devices respectively. Utility Model Content

[0003] The purpose of the present application is to provide a coil device and an electronic device.

[0004] In order to solve the above technical problems, the embodiments of the present application provide the following technical solutions:

[0005] A first aspect of the present application provides a coil device, comprising:

[0006] substrate;

[0007] a first coil, the first coil being used to provide a first function; arranged in a first area of ​​the substrate, two ends of the first coil forming a first interface, the first interface corresponding to the first function;

[0008] a second coil, the second coil being used to provide a second function; arranged in a second area of ​​the substrate, the second interface corresponding to the second function;

[0009] a circuit board connected to the first end of the second coil and to the second end of the second coil, the circuit board comprising a second interface,

[0010] The first area does not overlap with the second area.

[0011] In some modified implementations of the first aspect of the present application, the first coil surrounds the second coil.

[0012] In some modified implementations of the first aspect of the present application, the circuit board spans the first coil and is connected to the first end of the second coil and to the second end of the second coil.

[0013] In some modified implementations of the first aspect of the present application, the first coil spans the circuit board.

[0014] In some modified implementations of the first aspect of the present application, the circuit board is located in a third area of ​​the substrate, and the third area does not belong to the first area and does not belong to the second area.

[0015] In some modified implementations of the first aspect of the present application, the substrate has a magnetic isolation effect.

[0016] In some modified implementations of the first aspect of the present application, it further includes: a packaging layer, through which the first coil, the second coil and the circuit board are packaged on the substrate.

[0017] In some modified implementations of the first aspect of the present application, the first coil is a near field communication coil;

[0018] The second coil is a wireless charging coil.

[0019] A second aspect of the present application provides an electronic device, the electronic device comprising:

[0020] A first coil, the first coil occupies a first area, two ends of the first coil form a first interface, and the first interface is connected to a first functional module;

[0021] The second coil occupies the second area, and the second coil is connected to the second functional module through the second interface of the circuit board; wherein the circuit board is connected to the first end of the second coil and to the second end of the second coil.

[0022] A third aspect of the present application provides an electronic device, the electronic device comprising:

[0023] The first functional module;

[0024] The second functional module;

[0025] A coil device is connected to the first functional module through a first interface and to the second functional module through a second interface, wherein the first interface includes two ends of a first coil of the coil device; a circuit board having the second interface is connected to a first end of the second coil of the coil device and to a second end of the second coil; and the first coil and the second coil do not overlap on a substrate of the coil device. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] By reading the detailed description below with reference to the accompanying drawings, the above and other purposes, features and advantages of the exemplary embodiments of the present application will become easy to understand. In the accompanying drawings, several embodiments of the present application are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0027] Figure 1 Schematically shows an exploded view of a coil device provided in an embodiment of the present application;

[0028] Figure 2 Schematically shows an exploded view of another coil device provided in an embodiment of the present application;

[0029] Figure 3 The structure diagram of a coil device provided in an embodiment of the present application is schematically shown;

[0030] Figure 4 A magnetic field density diagram of a first coil provided in an embodiment of the present application is schematically shown.

[0031] Description of Figure Numbers:

[0032] Coil device 1 , substrate 11 , first coil 12 , first interface 121 , second coil 13 , circuit board 14 , second interface 141 , packaging layer 15 . DETAILED DESCRIPTION

[0033] The exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided in order to enable a more thorough understanding of the present application and to fully convey the scope of the present application to those skilled in the art.

[0034] like Figures 1 to 4 As shown, the present application provides a coil device 1, comprising:

[0035] substrate 11;

[0036] A first coil 12, the first coil 12 is used to provide a first function; it is arranged in a first area of ​​the substrate 11, two ends of the first coil 12 form a first interface 121, and the first interface 121 corresponds to the first function;

[0037] A second coil 13, the second coil 13 is used to provide a second function; it is arranged in a second area of ​​the substrate 11, and the second interface 141 corresponds to the second function;

[0038] The circuit board 14 is connected to the first end of the second coil 13 and the second end of the second coil 13. The circuit board 14 includes a second interface 141.

[0039] The first area does not overlap with the second area.

[0040] In this embodiment, the substrate 11 is made of magnetic material, the first coil 12 may be a near field communication coil, the second coil 13 may be a wireless charging coil, and the circuit board 14 may be a flexible circuit board 14 .

[0041] A coil device 1 provided in an embodiment of the present application includes a substrate 11, a first coil 12, a second coil 13 and a circuit board 14, wherein the substrate 11 has a first area and a second area, the first coil 12 is arranged in the first area of ​​the substrate 11, the first coil 12 has two ends, and the two ends of the first coil 12 form a first interface 121, the first interface 121 is connected to a mainboard of an electronic device to perform information interaction and transmission with the mainboard, so that the first coil 12 is used to provide a first function; the second coil 13 is arranged in the second area of ​​the substrate 11, the second area does not overlap with the first area, the second coil 13 has a first end and a second end, the first end and the second end of the second coil 13 are connected to two contacts of the circuit board 14, the circuit board 14 also includes a second interface 141, the circuit board 14 is connected to the mainboard through the second interface 141, so that the second coil 13 is connected to the mainboard through the circuit board 14, and then the signal received by the second coil 13 can be transmitted to the mainboard through the circuit board 14, so that the second coil 13 is used to provide a second function. Thus, the first coil 12 that can be used to provide the first function and the second coil 13 that can be used to provide the second function constitute a whole of a coil device, so that when installed in an electronic device, it only occupies an independent space, reducing the space occupation. Among them, the first coil 12 has a first interface 121 and the circuit board 14 connected to the second coil 13 has a second interface 141, which can be connected to the corresponding first functional module and second functional module on the mainboard respectively, so that there is no need to change the design of the mainboard. If the first interface of the first coil and the second interface connected to the second coil are set as a unified interface, at this time, the mainboard of the electronic device needs to have a unified interface corresponding thereto, then it is necessary to change the mainboard design, the structure is complicated, and the cost increases. The coil device 1 provided in the present application does not need to change the structure of the mainboard, thereby reducing the cost, and the first coil 12 and the second coil 13 respectively have an independent first interface 121 and a second interface 141 of the circuit board 14, so that the output line is more flexible and convenient, and the first interface 121 and the second interface 141 of the circuit board 14 are respectively connected to the first functional module and the second functional module of the mainboard, so that the assembly is also more convenient, reducing limitations.

[0042] like Figure 1 As shown, in the embodiment of the present application, the first coil 12 surrounds the second coil 13 .

[0043] In this embodiment, the substrate 11 has a first area and a second area, the first area corresponds to the layout of the first coil 12, and the second area corresponds to the layout of the second coil 13. The first coil 12 is arranged around the second coil 13, that is, the first coil 12 is arranged outside the second coil 13, and the thickness of the first coil 12 and the second coil 13 can be the same, so that the layout of the first coil 12 and the second coil 13 can be realized on the substrate 11, so that the first coil 12 and the second coil 13 only occupy an independent space when installed in the electronic device, and interference between the first coil 12 and the second coil 13 can be avoided, and it is also convenient for the first coil 12 and the second coil 13 to be connected to the mainboard through the first interface 121 and the second interface 141 with different lead-out positions, so that the wiring is more flexible and the assembly of the structure is also convenient.

[0044] like Figure 1 As shown, in the embodiment of the present application, the circuit board 14 spans the first coil 12 , is connected to the first end of the second coil 13 , and is connected to the second end of the second coil 13 .

[0045] In this embodiment, the first coil 12 is arranged around the second coil 13, that is, the first coil 12 is arranged on the outer periphery of the second coil 13. When the circuit board 14 is connected to the second coil 13, it can cross the first coil 12 and connect with the first end and the second end of the second coil 13 to realize the connection between the first end and the second end of the second coil 13 and the two contacts of the circuit board 14, so that the second coil 13 is connected to the second functional module of the mainboard through the circuit board 14, so that the second coil 13 can transmit signals to the second functional module, and then the second coil 13 can be used to provide the second function, so that the second coil can realize the wireless charging function, and the electronic device can obtain energy to charge the electronic device when it is close to the charging device.

[0046] like Figure 2 and Figure 3 As shown, in the embodiment of the present application, the first coil 12 spans the circuit board 14 .

[0047] In this embodiment, the first coil 12 is arranged to semi-enclose the second coil 13. At this time, the circuit board 14 does not need to cross the first coil 12 to connect with the second coil 13. The circuit board 14 can be directly connected to the first end and the second end of the second coil 13. The first end and the second end of the semi-enclosed first coil 12 are respectively located on both sides of the circuit board 14, that is, the semi-enclosed first coil 12 is arranged across the circuit board 14, thereby forming another structure of the coil device 1. The first end and the second end of the semi-enclosed first coil 12 are connected to the first functional module of the mainboard as the first interface 121 of the first coil 12 to transmit signals with the mainboard, so that the first coil can realize near-field communication functions such as access control.

[0048] In the embodiment of the present application, the circuit board 14 is located in a third area of ​​the substrate 11 , and the third area does not belong to the first area and does not belong to the second area.

[0049] In this embodiment, a first area, a second area and a third area are provided on the substrate 11, a first coil 12 is provided on the first area, a second coil 13 is provided on the second area, and a circuit board 14 is provided on the third area, the first area and the second area do not overlap, the first coil 12 is provided on the periphery of the second coil 13, two contacts of the circuit board 14 are connected to the first end and the second end of the second coil 13, and the third area where the circuit board 14 is located belongs to neither the first area nor the second area, so that the second interface 141 provided on the circuit board 14 and the first interface 121 provided on the first coil 12 are links led out from different positions, so that the output line is more flexible.

[0050] In the embodiment of the present application, the substrate 11 has a magnetic isolation function.

[0051] In this embodiment, the substrate 11 is made of magnetic material, and the first coil 12, the second coil 13 and the circuit board 14 are arranged on the first surface of the first side of the substrate 11. The first coil 12 and the second coil 13 share the substrate 11 as a magnetic material. After receiving the energy of the first coil 12 and / or the second coil 13, the substrate 11 has a magnetic isolation effect, thereby preventing the energy from being transmitted to the elements on the second side of the substrate 11. The second side of the substrate 11 is arranged opposite to the first side. The substrate 11 can also have a magnetic conductivity. After the first coil 12 and / or the second coil 13 transmit the energy to the substrate 11, the substrate 11 can conduct the energy back to the first coil 12 / or the second coil 13.

[0052] like Figure 4 As shown, it is a magnetic field density diagram of the first coil 12. The numbers in the figure represent the magnetic field density at that location. The brighter the area, the stronger the magnetic field.

[0053] like Figure 1 and Figure 2 As shown, in the embodiment of the present application, it also includes: a packaging layer 15, through which the first coil 12, the second coil 13 and the circuit board 14 are packaged on the substrate 11.

[0054] In this embodiment, the coil device 1 includes a substrate 11, a first coil 12, a second coil 13, a circuit board 14 and a packaging layer 15. The first coil 12, the second coil 13 and the circuit board 14 are arranged on the first surface of the substrate 11. The packaging layer 15 is arranged opposite to the first surface of the substrate 11, and is used to encapsulate the first coil 12, the second coil 13 and the circuit board 14 arranged on the substrate 11, so as to protect the first coil 12, the second coil 13 and the circuit board 14 on the substrate 11, provide a good environment for the first coil 12, the second coil 13 and the circuit board 14, so that the signal transmission of the first coil 12, the second coil 13 and the circuit board 14 is more stable and normal, and the first coil 12, the second coil 13 and the circuit board 14 are prevented from being affected by the external environment.

[0055] In the embodiment of the present application, the first coil 12 is a near field communication coil;

[0056] The second coil 13 is a wireless charging coil.

[0057] In this embodiment, the first coil 12 is a near-field communication coil, and the first coil 12 has a first interface 121. The first interface 121 is connected to the mainboard so that information can be exchanged with the first functional module of the mainboard. The first coil 12 can receive and read signals sent by the first functional module of the mainboard, and can also send signals to the first functional module of the mainboard to realize near-field communication functions such as access control.

[0058] In this embodiment, the second coil 13 is a wireless charging coil, and the wireless charging transmitter transmits wireless charging energy to the wireless charging coil. The wireless charging coil can receive wireless charging energy. The first end and the second end of the wireless charging coil are connected to the two contacts of the circuit board 14 to connect the wireless charging coil to the circuit board 14. The circuit board 14 also has a second interface 141, and the second interface 141 is connected to the second functional module of the mainboard through two contacts, so that the wireless charging coil is connected to the second functional module of the mainboard through the circuit board 14 to transmit the wireless charging energy received by the wireless charging coil to the mainboard, so that the electronic device can obtain energy to charge the electronic device when it is close to the charging device, so as to wirelessly power the electronic device.

[0059] like Figures 1 to 3 As shown, in a second aspect, the present application further provides an electronic device, the electronic device comprising a first coil 12, the first coil 12 occupies a first area, two ends of the first coil 12 form a first interface 121, and the first interface 121 is connected to a first functional module;

[0060] The second coil 13 occupies the second area, and the second coil 13 is connected to the second functional module through the second interface 141 of the circuit board 14; wherein the circuit board 14 is connected to the first end of the second coil 13 and to the second end of the second coil 13.

[0061] In an electronic device provided in the present application, the electronic device includes a first coil 12 and a second coil 13, the first coil 12 occupies a first area, and the two ends of the first coil 12 form a first interface 121, the first interface 121 is connected to the first functional module, and the first functional module corresponds to the first coil 12, so that the first coil 12 can interact with the first functional module to enable the first coil 12 to be used to provide a first function; the second coil 13 occupies a second area, and the second coil 13 is connected to the second interface 141 of the circuit board 14 through the first end and the second end, and the circuit board 14 also has a second interface 141, and the second interface 141 is connected to the second functional module, so that the second coil 13 is connected to the second functional module through the circuit board 14, and the second functional module corresponds to the second coil 13, so that the second coil 13 can transmit information with the second functional module, so that the second coil 13 can be used to provide a second function. Thus, the first coil 12 and the second coil 13 constitute a whole coil device, so that when installed in an electronic device, it only occupies an independent space, and the first coil 12 is connected to the first functional module of the mainboard through the first interface 121, and the second coil 13 is connected to the second functional module of the mainboard through the circuit board 14, so that there is no need to change the design of the mainboard. In addition, if the first interface of the first coil and the second interface connected to the second coil are set as a unified interface, at this time, the mainboard of the electronic device needs to have a corresponding unified interface, then it is necessary to change the mainboard design, the structure is complicated, and the cost is increased. The coil device 1 provided in the present application does not need to change the structure of the mainboard, thereby reducing the cost, and the first coil 12 and the second coil 13 respectively have an independent first interface 121 and a second interface 141 of the circuit board 14, so that the output line is more flexible and convenient, and the first interface 121 and the second interface 141 of the circuit board 14 are respectively connected to the first functional module and the second functional module of the mainboard, so that the assembly is also more convenient, reducing limitations.

[0062] In this embodiment, the first coil 12 is a near field communication coil, which can be implemented by thin copper, thereby reducing the thickness of the near field communication coil and reducing the cost. The first coil 12 has a first interface 121, which is connected to the mainboard so that information can be exchanged with the mainboard. The first coil 12 can receive and read signals sent by the mainboard, and can also send signals to the mainboard to achieve near field communication.

[0063] In this embodiment, the second coil 13 is a wireless charging coil, which can be made of copper. The wireless charging transmitter transmits wireless charging energy to the wireless charging coil, and the wireless charging coil can receive wireless charging energy. The first end and the second end of the wireless charging coil are connected to two contacts of the circuit board 14 to connect the wireless charging coil to the circuit board 14. The circuit board 14 also has a second interface 141, and the second interface 141 is connected to the mainboard through two contacts, so that the wireless charging coil is connected to the mainboard through the circuit board 14 to transmit the wireless charging energy received by the wireless charging coil to the mainboard to wirelessly power the electronic device.

[0064] like Figures 1 to 3 As shown, in a third aspect, the present application further provides an electronic device, the electronic device comprising:

[0065] The first functional module;

[0066] The second functional module;

[0067] The coil device 1 is connected to the first functional module through a first interface 121 and to the second functional module through a second interface 141, wherein the first interface 121 includes two ends of the first coil 12 of the coil device 1; a circuit board 14 having the second interface 141 is connected to a first end of the second coil 13 of the coil device 1 and to a second end of the second coil 13; the first coil 12 and the second coil 13 do not overlap on the substrate 11 of the coil device 1.

[0068] In this embodiment, in an electronic device provided in the present application, the electronic device includes a first functional module, a second functional module and a coil device 1, the coil device 1 includes a substrate 11, a first coil 12, a second coil 13 and a circuit board 14, both ends of the first coil 12 are first interfaces 121, the coil device 1 is connected to the first functional module through the first interface 121, so that the first coil 12 of the coil device 1 can realize information interaction with the first functional module, so that the first coil 12 can be used to provide the first function; the circuit board 14 is connected to the first end and the second end of the second coil 13, and the circuit board 14 has a second interface 141, and the second interface 141 is also connected to the second functional module, so that the second coil 13 is connected to the second functional module through the circuit board 14, so that the second coil 13 of the coil device 1 can realize information transmission with the second functional module, so that the second coil 13 can be used to provide the second function. Thus, in the electronic device, the first coil 12 and the second coil 13 of the coil device 1 constitute a whole coil device, so that when installed in the electronic device, it only occupies an independent space, reducing the space occupation, wherein the first coil 12 has a first interface 121 and the circuit board 14 connected to the second coil 13 has a second interface 141, which can be connected to the corresponding first functional module and second functional module on the mainboard respectively, so that there is no need to change the design of the mainboard. If the first interface of the first coil and the second interface connected to the second coil are set as a unified interface, at this time, the mainboard of the electronic device needs to have a unified interface corresponding thereto, then it is necessary to change the mainboard design, the structure is complicated, and the cost is increased. The coil device 1 provided in the present application does not need to change the structure of the mainboard, thereby reducing the cost, and the first coil 12 and the second coil 13 respectively have an independent first interface 121 and a second interface 141 of the circuit board 14, so that the output line is more flexible and convenient, and the first interface 121 and the second interface 141 of the circuit board 14 are respectively connected to the first functional module and the second functional module of the mainboard, so that the assembly is also more convenient, reducing limitations.

[0069] In this embodiment, the substrate is made of magnetic material, the first coil may be a near field communication coil, the second coil may be a wireless charging coil, and the circuit board may be a flexible circuit board.

[0070] It is understandable that the related features in the above devices can be referenced to each other. In addition, the "first", "second" and the like in the above embodiments are used to distinguish the various embodiments, and do not represent the advantages and disadvantages of the various embodiments.

[0071] In the description provided herein, a large number of specific details are described. However, it is understood that the embodiments of the present application can be practiced without these specific details. In some instances, well-known structures and technologies are not shown in detail so as not to obscure the understanding of this description.

[0072] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A coil device, characterized in that: include: substrate; a first coil, the first coil being used to provide a first function; The first coil is arranged in a first area of ​​the substrate, two ends of the first coil form a first interface, and the first interface corresponds to the first function; a second coil, the second coil being used to provide a second function; arranged in a second area of ​​the substrate, the second interface corresponding to the second function; a circuit board connected to the first end of the second coil and to the second end of the second coil, the circuit board comprising a second interface, The first area does not overlap with the second area.

2. The coil device according to claim 1, characterized in that The first coil surrounds the second coil.

3. The coil device according to claim 2, characterized in that The circuit board spans the first coil, is connected to the first end of the second coil, and is connected to the second end of the second coil.

4. The coil device according to claim 2, characterized in that The first coil spans across the circuit board.

5. The coil device according to claim 2, characterized in that The circuit board is located in a third area of ​​the substrate, and the third area does not belong to the first area and does not belong to the second area.

6. The coil device according to claim 1, characterized in that The substrate has a magnetic isolation function.

7. The coil device according to claim 1, characterized in that Also includes: A packaging layer is used to package the first coil, the second coil and the circuit board on the substrate.

8. The coil device according to claim 1, characterized in that The first coil is a near field communication coil; The second coil is a wireless charging coil.

9. An electronic device, characterized in that: The electronic device comprises: A first coil, the first coil occupies a first area, two ends of the first coil form a first interface, and the first interface is connected to a first functional module; The second coil occupies the second area, and the second coil is connected to the second functional module through the second interface of the circuit board; wherein the circuit board is connected to the first end of the second coil and to the second end of the second coil.

10. An electronic device, characterized in that: The electronic device comprises: The first functional module; The second functional module; A coil device is connected to the first functional module through a first interface and to the second functional module through a second interface, wherein the first interface includes two ends of a first coil of the coil device; a circuit board having the second interface is connected to a first end of the second coil of the coil device and to a second end of the second coil; and the first coil and the second coil do not overlap on a substrate of the coil device.

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