CN216698736U

CN216698736U - Two unification antenna module of WPC and NFC antenna and terminal

Info

Publication number: CN216698736U
Application number: CN202123136706.5U
Authority: CN
Inventors: 潘英鹤
Original assignee: Shenzhen Zhuorui Communication Technology Co ltd
Current assignee: Shenzhen Zhuorui Communication Technology Co ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-06-07
Anticipated expiration: 2031-12-14

Abstract

The utility model provides a WPC (wireless personal computer) and NFC (near field communication) two-in-one antenna module and a terminal, which are characterized by comprising a magnetic isolation plate, a coil, a switch unit, a contact point and a connection point; the connection points comprise a first connection point, a second connection point and a third connection point, the first connection point is positioned at one end of the coil, the second connection point is positioned at the other end of the coil, the third connection point is slidable in the middle area of the coil, and the coil between the first connection point and the second connection point forms a first coil; the coil between the first connection point and the third connection point constitutes a second coil; the coil between the second and third connection points constitutes a third coil; WPC antenna and NFC antenna share second coil or third coil can reduce the size of whole module, practices thrift the cost, can avoid simultaneously not having in the middle of the NFC antenna to walk the line region too big to improve user and use experience.

Description

Two unification antenna module of WPC and NFC antenna and terminal

Technical Field

The utility model relates to the technical field of wireless communication, in particular to a WPC and NFC module structure optimization design.

Background

Near field communication (near field communication), devices (such as mobile phones) using the NFC technology can exchange data when they are close to each other, and are integrated and evolved from non-contact Radio Frequency Identification (RFID) and interconnection technology, and by integrating the functions of an induction card reader, an induction card and point-to-point communication on a single chip, applications such as mobile payment, electronic ticketing, door control, mobile identification, anti-counterfeiting, etc. are realized by using a mobile terminal. Through the NFC function, wireless connection and data sharing can be conveniently realized among a plurality of electronic devices such as mobile phones, PDAs and computers.

Wireless Power Charging (WPC), particularly, the emergence of wireless charging technologies represented by electromagnetic induction, brings convenience to consumers. At present, high-end smart phones support wireless charging. The mobile phone can be conveniently charged through the wireless charging equipment, so that consumers are free from the constraint of wires.

At present to NFC antenna and WPC antenna design all be the design separately basically, if integrative design also is that NFC coil and WPC coil do not adopt same coil, can lead to the whole area of antenna very big like this, and the cost is than higher, and to the NFC antenna, the area is too big moreover, and the middle response blind area of antenna probably can strengthen, is unfavorable for user experience.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a WPC (wireless personal computer) and NFC (near field communication) antenna two-in-one antenna module and a terminal, which solve the problems of large occupied space and poor performance of the WPC module and the NFC module through the optimization of the structure.

In order to solve the above problems, the present invention provides a WPC and NFC antenna two-in-one antenna module, which is characterized by comprising a magnetic shield, a coil, a switch unit, a contact point and a connection point; the magnetic isolation plate is positioned at the lower layer of the coil; the contact points comprise a first contact point, a second contact point and a third contact point, and the contact points are positioned at the outer ends of the magnetism isolating plates; the connection points comprise a first connection point, a second connection point and a third connection point, the first connection point is positioned at one end of the coil, the second connection point is positioned at the other end of the coil, the third connection point is slidable in the middle area of the coil, and the coil between the first connection point and the second connection point forms a first coil; the coil between the first connection point and the third connection point constitutes a second coil; the coil between the second and third connection points constitutes a third coil; the switch unit comprises a control module, a switch circuit, a first control switch and a second control switch, wherein the first control switch and the second control switch are electrically connected with the first contact point, the second contact point and the third contact point through the switch circuit.

Optionally, in the WPC and NFC antenna two-in-one antenna module, the first connection point is located on an outermost side of the coil, and the second connection point is located on an innermost side of the coil.

Optionally, in the WPC and NFC antenna two-in-one antenna module, the first coil is a WPC coil.

Optionally, in the WPC and NFC antenna two-in-one antenna module, the second coil is an NFC coil, or the third coil is an NFC coil.

Optionally, in the WPC and NFC antenna two-in-one antenna module, the second coil is a WPC and NFC shared coil, or the third coil is a WPC and NFC shared coil.

Optionally, in the WPC and NFC antenna two-in-one antenna module, the switch circuit is a parallel structure circuit.

Optionally, in the WPC and NFC antenna two-in-one antenna module, in the switch circuit, the first control switch and the second control switch share the first contact.

Optionally, in the WPC and NFC antenna two-in-one antenna module, the control module is composed of a hardware physical relay or a software logic program.

Optionally, in the WPC and NFC antenna two-in-one antenna module, the logic of the control module is:

when the first control switch is closed, the second control switch is disconnected, the NFC circuit is connected, the NFC function is started, and meanwhile, the WPC circuit is opened, and the WPC function is invalid;

when the second control switch is closed, the first control switch is opened, the WPC circuit is connected, the WPC function is opened, the NFC circuit is opened, and the NFC function is invalid.

The embodiment also provides a terminal, and the terminal comprises the WPC and NFC antenna two-in-one antenna module.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a structural diagram of a WPC and NFC two-in-one antenna module according to this embodiment;

fig. 2 is a structural diagram of a coil unit of a WPC and NFC two-in-one antenna module according to this embodiment;

fig. 3 is a structural view of a coil unit according to a conventional art;

fig. 4 is a logic diagram of a switch system of a WPC and NFC two-in-one antenna module according to this embodiment;

fig. 5 is an application structure diagram of the WPC and NFC two-in-one antenna module in a mobile phone according to the present embodiment;

fig. 6 is an application structure diagram of the WPC and NFC two-in-one antenna module in the notebook computer according to the present embodiment;

wherein the reference numerals are as follows:

1-coil, 2-magnetic shield, 3-first control switch, 4-second control switch, 111-first contact, 112-first connection, 121-second contact, 122-second connection, 131-third contact, 132-third connection.

Detailed Description

The WPC and NFC two-in-one antenna module and the terminal according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. Further, the structures illustrated in the drawings are intended to be part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, and it is to be understood that such structures as are used are interchangeable where appropriate. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present embodiment provides a WPC and NFC two-in-one antenna module, whose structure is shown in fig. 1 and fig. 2, and includes a magnetic shield 2, a coil 1, a switch unit, a contact point, and a connection point; the magnetic isolation plate 2 is positioned at the lower layer of the coil 1; the contact points comprise a first contact point 111, a second contact point 121 and a third contact point 131, and the contact points are positioned at the outer ends of the magnetism isolating plates; the connection points include a first connection point 112, a second connection point 122 and a third connection point 132, the first connection point 112 is located at one end of the coil 1, the second connection point 122 is located at the other end of the coil 1, the third connection point 132 is slidable in the middle area of the coil 1, and the coil 1 between the first connection point 112 and the second connection point 122 constitutes a first coil; the coil 1 between the first connection point 112 and the third connection point 132 constitutes a second coil; the coil 1 between the second wire connection point 122 and the third connection point 132 constitutes a third coil; the switch unit comprises a control module, a switch circuit, a first control switch 3 and a second control switch 4, wherein the first control switch 3 and the second control switch 4 are electrically connected with the first contact point 111, the second contact point 121 and the third contact point 131 through the switch circuit.

Fig. 3 is a coil unit structure diagram of the conventional technical solution, as can be seen by comparing with the coil structure diagram of the WPC and NFC two-in-one antenna module of the embodiment of fig. 2, generally, the WPC module and the NFC module of the coil of the conventional technical solution need to be wired independently, so the size of the whole module is large, the manufacturing cost is high, in the embodiment, the WPC module and the NFC module do not need to be wired independently, so the size of the whole module can be greatly reduced, the manufacturing cost is low, and the terminal especially a mobile terminal has a great advantage.

Better, because WPC module and NFC module need not separately walk the line, consequently make WPC module's periphery not have NFC module's the line of walking, reduce the interference, avoid FOD foreign matter to detect unusually.

Example 1:

the first control switch 3 and the second control switch 4 are connected in parallel to the first contact point 111, the second contact point 121, and the third contact point 131 through a switching circuit, and share the first contact point 111. Fig. 4 is a schematic diagram of the switching system of the present embodiment, and it can be seen that, when the first control switch 3 is closed, the second control switch 4 is turned off, the NFC circuit is turned on, the NFC function is turned on, and meanwhile, the WPC circuit is turned on, and the WPC function fails; when the second control switch 4 is closed, the first control switch 3 is opened, the WPC circuit is switched on, the WPC function is started, and meanwhile, the NFC circuit is switched off, and the NFC function is invalid. Therefore, structurally, when the first control switch 3 is closed, the second coil is powered, and the part of the wire can be used as an NFC coil; when the first control switch 4 is closed, the wire of the first coil is powered, and this part of the wire can be used as a WPC coil.

Example 2:

the first control switch 3 and the second control switch 4 are connected in parallel to the first contact point 111, the second contact point 121, and the third contact point 131 through a switching circuit, and share the first contact point 121. Fig. 4 is a schematic diagram of the switching system of the present embodiment, and it can be seen that, when the first control switch 3 is closed, the second control switch 4 is turned off, the NFC circuit is turned on, the NFC function is turned on, and meanwhile, the WPC circuit is turned on, and the WPC function fails; when the second control switch 4 is closed, the first control switch 3 is opened, the WPC circuit is switched on, the WPC function is started, and meanwhile, the NFC circuit is switched off, and the NFC function is invalid. Therefore, structurally, when the first control switch 3 is closed, the third coil is powered, and the part of the wire can be used as an NFC coil; when the first control switch 4 is closed, the wire of the first coil is powered, and this part of the wire can be used as a WPC coil.

Therefore, the WPC module and the NFC module can share the coil through the design, and the size of the whole module is reduced.

Better, different equipment, different service environment need not to the demand of coil, and the number of turns of coil with walk the line form also can be different, this kind of design can compatible various numbers of turns of walking line form and coil, and does not receive the restriction of appearance and space, consequently can reduce the regional size of wireless coil in the middle of the NFC module coil, reduce the blind area size, improve the performance of NFC antenna.

Fig. 5 and fig. 6 are application structure diagrams of the present embodiment in a mobile phone and a notebook computer, and it should be noted that, since the present invention can be compatible with antenna modules with different sizes, and can also use coils with different numbers of turns and sizes, the present invention can be used not only in the mobile phone and the notebook computer. Therefore, the protection scope of the present invention should not be limited by the specific contents of the above embodiments, and other applications of the apparatus without departing from the spirit of the present invention should also fall within the protection scope of the present invention.

The above description is only for the purpose of describing the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are intended to fall within the scope of the appended claims.

Claims

1. A WPC and NFC antenna two-in-one antenna module is characterized by comprising a magnetic isolation plate, a coil, a switch unit, a contact point and a connection point; the magnetic isolation plate is positioned at the lower layer of the coil; the contact points comprise a first contact point, a second contact point and a third contact point, and the contact points are positioned at the outer ends of the magnetism isolating plates; the connection points comprise a first connection point, a second connection point and a third connection point, the first connection point is positioned at one end of the coil, the second connection point is positioned at the other end of the coil, the third connection point is slidable in the middle area of the coil, and the coil between the first connection point and the second connection point forms a first coil; the coil between the first connection point and the third connection point constitutes a second coil; the coil between the second and third connection points constitutes a third coil; the switch unit comprises a control module, a switch circuit, a first control switch and a second control switch, wherein the first control switch and the second control switch are electrically connected with the first contact point, the second contact point and the third contact point through the switch circuit.

2. A WPC and NFC antenna two-in-one antenna module according to claim 1, wherein the first connection point is located on the outermost side of the coil and the second connection point is located on the innermost side of the coil.

3. The WPC and NFC antenna combination antenna module as claimed in claim 1, wherein the first coil is a WPC coil.

4. The WPC and NFC antenna combination antenna module as claimed in claim 1, wherein the second coil is an NFC coil or the third coil is an NFC coil.

5. The WPC and NFC antenna combination antenna module according to claim 1, wherein the second coil is a WPC and NFC shared coil, or the third coil is a WPC and NFC shared coil.

6. The WPC and NFC antenna combination antenna module as claimed in claim 1, wherein the switch circuit is a parallel circuit.

7. The WPC and NFC antenna combination antenna module as claimed in claim 5, wherein the first contact is shared by the first control switch and the second control switch in the switch circuit.

8. The WPC and NFC antenna two-in-one antenna module according to claim 1, wherein the control module is composed of a hardware physical relay or a software logic program.

9. The WPC and NFC antenna two-in-one antenna module according to claim 1, wherein the logic of the control module is:

when the first control switch is closed, the second control switch is switched off, the NFC circuit is switched on, the NFC function is switched on, and meanwhile, the WPC circuit is switched off, and the WPC function is invalid;

10. A terminal, characterized in that the terminal comprises the WPC and NFC antenna two-in-one antenna module according to any one of claims 1 to 9.