Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q1/00—Details of, or arrangements associated with, antennas
  • H01Q1/12—Supports; Mounting means
  • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
  • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
  • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
  • H01Q9/04—Resonant antennas
  • H01Q9/06—Details
  • H01Q9/14—Length of element or elements adjustable
  • H01Q9/145—Length of element or elements adjustable by varying the electrical length

Definitions

• the present invention relates to the field of electronic communications, and in particular to an antenna and a terminal.
• BACKGROUND At present, with the rapid development of the terminal market, competition among mobile operators is becoming more and more fierce. Therefore, terminal products are increasingly required to highlight differences between them and other products in order to exert their characteristics and cause Customer's attention.
• NFC near field communication
• FC and wireless charging coexistence technology FC and wireless charging coexistence technology It will inevitably become an important direction for the development of terminal equipment.
• FC antenna and the wireless charging frequency are high (for example, the FC antenna can be 13.56 MHz, the wireless charging frequency is 50 Hz, 100 kHz, etc.), therefore, the NFC antenna and the wirelessly charged antenna both need to occupy a large portion. Area. In this way, if the FC antenna and the wireless charging antenna coexist, the internal use area of the terminal will be seriously affected. In fact, the mobile terminal usually does not have such a large area to place the two antennas.
• FC functions have become more and more popular.
• the specific implementation manner is as follows: Using the electromagnetic induction law, data transmission is performed by a high-frequency alternating magnetic field between a read/write (Reader/Writer) mode and a magnetic card (Card) mode antenna coil.
• the working principle of the wireless charging coil is basically the same as that of the FC antenna, and will not be described here.
• the terminal such as a mobile phone
• FC antenna and the wireless charging antenna both occupy a large area space, and as the terminal is larger toward the screen, the thickness is thinner, and the standby time is longer, the antenna actually The available space is getting tighter.
• an antenna including: an antenna body, the antenna body includes: a wireless charging antenna and a near field communication (FC) antenna; and the wireless charging antenna and the FC antenna are integrally designed to form an antenna body.
• the FC antenna described above is implemented by a specified trace in the wireless charging antenna.
• the wireless charging antenna described above is a wireless charging coil that implements a wireless charging function.
• the antenna further includes: a switch component connected to the wireless charging antenna and the FC antenna, configured to cooperate with the wireless charging antenna to implement a wireless charging function when the switching component is turned on, and When the switch member is disconnected, it cooperates with the FC antenna to realize the FC function.
• the antenna further includes: a ferrite member disposed on the antenna body and configured to shield an external signal.
• the antenna body is a flexible circuit board (Flexible and Rigid-Flex, abbreviated as FPC).
• FPC Flexible circuit board
• the above antenna is applied to a mobile terminal.
• a terminal is provided, including the antenna described above.
• the above antenna is disposed on the battery cover of the terminal or on the battery of the terminal.
• the wireless charging antenna and the FC antenna are integrated to design, and the technical means of forming the antenna body is solved, and the related technical problems are solved, and the technical problems such as the internal use area of the terminal and the coexistence of the FC antenna and the wireless charging antenna are not effectively solved. Therefore, multiplexing of the FC antenna and the wireless charging antenna is realized while taking into consideration the internal use area of the terminal.
• FIG. 1 is a schematic structural view of an antenna according to an embodiment of the present invention
• FIG. 2 is a schematic diagram of an outline of an antenna according to an embodiment of the present invention
• FIG. 3 is a schematic diagram of an internal routing of an antenna according to an embodiment of the present invention
• 4 is a schematic exploded view of an antenna according to an embodiment of the present invention
• FIG. 1 is a schematic structural view of an antenna according to an embodiment of the present invention
• FIG. 2 is a schematic diagram of an outline of an antenna according to an embodiment of the present invention
• FIG. 3 is a schematic diagram of an internal routing of an antenna according to an embodiment of the present invention
• 4 is a schematic exploded view of an antenna according to an embodiment of the present invention
• FIG. 1 is a schematic structural view of an antenna according to an embodiment of the present invention.
• the antenna includes: an antenna body 10, wherein the antenna body 10 includes: a near field communication (NFC) antenna 101 and a wireless charging antenna 103; a wireless charging antenna 103 and an FC antenna 101 are configured to form the The antenna body 10.
• NFC near field communication
• the meaning of the above-described integrated design can be understood as multiplexing the wireless charging antenna 103 and the FC antenna 101 by one antenna body.
• the FC antenna and the wireless charging antenna are integrated, the internal use area of the terminal occupied by the FC antenna and the wireless charging antenna due to independent setting can be saved, so that the internal use area of the terminal can be taken into consideration.
• the multiplexing of the FC antenna and the wireless charging antenna at the terminal is realized.
• the overall shape of the wireless charging antenna 103 and the FC antenna 101 after the body design can be seen in FIG. 2: In FIG. 2, the antenna body 10 and the antenna contact 105 are included.
• the antenna body 10 may be attached to the battery cover of the terminal and attached directly to the battery; or attached to the battery body and on the side facing the battery cover.
• the antenna contact 105 is connected to the antenna dome on the main board in the terminal.
• the above-described FC antenna 101 can be realized by a specified trace in the wireless charging antenna 103.
• the wireless charging antenna described above can be implemented by a wireless charging coil that implements a wireless charging function. There are a plurality of ways of multiplexing the FC antenna and the wireless charging antenna.
• the function may be implemented by using a function switch.
• the antenna may further include: a switch component 107.
• the antenna trace can be realized by the structure shown in FIG. 3:
• 10 denotes the antenna trace (ie, the antenna body 10)
• 107 denotes the above switch member
• 105 denotes an antenna contact.
• the switch member 107 can be implemented by the structure shown in FIG. 5:
• 501 represents a double-pole single-throw switch.
• 503 denotes an antenna trace for transmitting a signal, and is connected to the antenna body (not shown).
• Both the 505 and 507 are 200 ohm resistors to prevent FC signals or wireless charging signals from flowing to the battery. Source or ground.
• the switch When a high level is applied to the switch, the switch is turned on and the antenna is used for the wireless charging function. This antenna is used for the FC function when a low level is applied to the switch.
• a ferrite for shielding an external signal may be disposed on the antenna body 10 of the antenna. Item 30. In a specific application, it may be embodied as an implementation form as shown in FIG. 4: In FIG.
• the antenna includes: a ferrite that can be used to implement an FC antenna and a wireless charging antenna; an FPC trace of the antenna (ie, the antenna body 10) Ferrite 30 (ie, ferrite member 30) is used to shield the motherboard from the effects of signals on the antenna. FPC traces are used to transmit FC and wirelessly charged signals and to implement antenna functions.
• the antenna body can be made of various materials, for example, a printed circuit board (PCB) or a flexible circuit board FPC.
• the antenna in the above embodiment can be applied to a mobile terminal such as a mobile phone.
• the above-mentioned antenna is generally not used separately. Therefore, the embodiment further provides a terminal, including: the antenna described above.
• the antenna may be disposed on a battery cover of the terminal or on a battery of the terminal.
• Embodiment 2 This embodiment is described by taking a mobile terminal as an example.
• the NFC antenna and the wireless charging antenna occupy a large use area of the terminal, and the technology of coexistence of the FC and the wireless charging coil provided in the following embodiments does not occupy additional functions while increasing the function of the terminal device. Space to improve the overall performance and usability of the equipment.
• the main design idea of the following embodiment is to multiplex two antennas (i.e., FC antenna and wireless charging antenna) to support both NFC function and wireless charging function with one antenna. This embodiment is implemented based on the antenna in Embodiment 1.
• the mobile terminal comprises: a mobile terminal comprising a housing of the mobile terminal (including: a front case, a middle case and a rear case), a circuit board (including a wireless charging circuit and an FC circuit), an antenna (including an NFC antenna and a wirelessly charged antenna) )and many more.
• the mobile terminal can be with or without an LCD.
• the mobile terminal can support LTE, WCDMA, GSM, CDMA, and the like.
• the mobile terminal can only support the function of voice call, and can only support data services, and can also support voice calls and data services at the same time.
• the FC antenna and the wireless charging antenna can be attached to the rear case (ie, the battery cover), and the FC and wireless charging antennas are attached directly above the battery.
• the FC antenna is a wireless charging antenna that is made in one coil, which means that this antenna (wireless charging antenna) can support both FC function and wireless charging.
• This antenna consists of two parts: the antenna body (including the substrate and FPC) and the ferrite. Among them, the ferrite is a ferrite that can simultaneously support the FC function and the wireless charging function.
• the FC antenna and the wireless charging antenna are connected to the shrapnel on the main board through the antenna electric shock, so that the circuit and the antenna on the main board can transmit signals to each other.
• the FC antenna and the wireless charging antenna are two-in-one, that is to say, the antenna (antenna body) can simultaneously support two functions.
• the antenna (antenna body) is implemented in the form of an FPC, which includes a substrate of the antenna and a metal trace portion.
• the antenna traces are in the form of coil windings and are double-sided traces. It can be directly attached to the body of the battery.
• the antenna trace is in the form of a winding of the coil, and a double-sided trace is used.
• the operating frequency of the FC function is set to 13.56 MHz, and the operating frequency of the wireless charging module may be about ⁇ or 50 Hz (but not limited to this).
• the frequency of the wireless charging antenna is longer than the FC antenna.
• the entire coil is adjusted according to the function of wireless charging, while the FC antenna uses part of the wiring in the coil.
• the switch module is made on the antenna. This achieves both FC function and wireless charging function on the same antenna.

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• Engineering & Computer Science (AREA)
• Computer Networks & Wireless Communication (AREA)
• Mobile Radio Communication Systems (AREA)
• Telephone Set Structure (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=46659545

Family Applications (1)

Country Status (2)

Cited By (1)

Families Citing this family (16)

Citations (3)

Family Cites Families (1)

• 2012
  • 2012-05-03 CN CN2012101347072A patent/CN102646875A/zh active Pending
  • 2012-06-27 WO PCT/CN2012/077594 patent/WO2013163845A1/fr not_active Ceased

Patent Citations (3)

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