CN111800528B - Terminal device - Google Patents

Terminal device Download PDF

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Publication number
CN111800528B
CN111800528B CN202010619950.8A CN202010619950A CN111800528B CN 111800528 B CN111800528 B CN 111800528B CN 202010619950 A CN202010619950 A CN 202010619950A CN 111800528 B CN111800528 B CN 111800528B
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China
Prior art keywords
antenna
touch
circuit
terminal device
silver paste
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Application number
CN202010619950.8A
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Chinese (zh)
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CN111800528A (en
Inventor
赵中义
汤凯
程微
王礼玄
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Shanghai Moqin Intelligent Technology Co ltd
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Shanghai Moqin Intelligent Technology Co ltd
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Priority to CN202010619950.8A priority Critical patent/CN111800528B/en
Publication of CN111800528A publication Critical patent/CN111800528A/en
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Publication of CN111800528B publication Critical patent/CN111800528B/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • 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
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/18—Input circuits, e.g. for coupling to an antenna or a transmission line

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)

Abstract

The invention relates to the technical field of electronics, and discloses a terminal device, which comprises: the touch control circuit comprises silver paste wires, an antenna circuit, a touch control circuit, a multiplexer and a main board, wherein the silver paste wires are arranged on the touch control screen and electrically connected with the touch control screen; the mainboard is used for controlling the multiplexer to transmit the antenna signal to the antenna circuit and transmit the touch signal to the touch circuit. Compared with the prior art, the terminal equipment provided by the embodiment of the invention has the advantage of effectively reducing the difficulty of antenna design.

Description

Terminal device
Technical Field
The invention relates to the field of electronic equipment, in particular to terminal equipment.
Background
The current communication electronic products, such as mobile communication terminals, not only have basic functions of receiving and sending short messages and making calls, but also have other important auxiliary functions, such as bluetooth function or GPS (Global Positioning System) Positioning function. To realize the above functions, a corresponding antenna needs to be provided in the mobile communication terminal. This results in too many antennas being integrated in the limited space of the mobile communication terminal. For example, when a dual-mode dual-standby mobile phone is designed, two signal systems exist simultaneously, so that two main antennas need to be designed correspondingly; furthermore, in order to realize the bluetooth function and the GPS positioning function of the mobile phone, a bluetooth antenna and a GPS positioning antenna are correspondingly added; in addition, with the development of the internet of things industry, corresponding antennas of the internet of things and the like need to be equipped.
As can be seen from the above, five or more antennas need to be integrated in a limited space inside the mobile phone, so that the space is tight, and the design of the antenna is difficult.
Disclosure of Invention
The embodiment of the invention aims to provide a terminal device which can effectively reduce the difficulty of antenna design.
In order to solve the above technical problem, an embodiment of the present invention provides a terminal device, including: the touch control circuit comprises silver paste wires, an antenna circuit, a touch control circuit, a multiplexer and a main board, wherein the silver paste wires are arranged on the touch control screen and electrically connected with the touch control screen; the mainboard is used for controlling the multiplexer to transmit the antenna signal to the antenna circuit and transmit the touch signal to the touch circuit.
Compared with the prior art, the touch control circuit of the touch control screen and the antenna circuit of the antenna are respectively and electrically connected to the silver paste routing line of the touch control screen, so that the multiplexing of the antenna circuit and the touch control circuit is realized through one silver paste routing line, the multiplexer is respectively and electrically connected with the touch control circuit and the antenna circuit, the main board respectively transmits the antenna signal to the antenna circuit and transmits the touch control signal to the touch control circuit through controlling the multiplexer, and the influence of the multiplexing of the antenna circuit and the touch control circuit on the functions of the touch control screen is avoided. The antenna is arranged by one more choice on the premise of not influencing the function of the touch screen, so that the available space of the whole machine is optimized, and the difficulty of antenna design is effectively reduced.
In addition, the silver paste routing comprises an outlet interface which is electrically connected with the mainboard; and one end of each of the antenna circuit and the touch circuit is electrically connected with the outgoing line interface, and the other end of each of the antenna circuit and the touch circuit is electrically connected with the multiplexer.
In addition, the number of the outlet interfaces is multiple, and each outlet interface is electrically connected with at least one antenna circuit and at least one touch circuit respectively.
Additionally, the antenna circuit includes an antenna and an antenna matching network electrically connected to the antenna. An antenna matching network electrically connected with the antenna is arranged in the antenna circuit, so that the performance of the antenna is effectively optimized.
In addition, the antenna circuit includes a first isolation network for isolating the touch signal. A first isolation network used for isolating touch signals is arranged in the antenna circuit, so that the touch signals transmitted to the antenna circuit are prevented from influencing the performance of the antenna.
In addition, the first isolation network is a low-pass filtering isolation network.
In addition, the touch circuit includes a second isolation network for isolating the antenna signal. And a second isolation network for isolating the touch signal is arranged in the touch circuit, so that the influence of the antenna signal transmitted to the touch circuit on the performance of the touch screen is avoided.
In addition, the second isolation network is a high-pass filtering isolation network.
In addition, the antenna circuit comprises an antenna electrically connected with the silver paste routing; the silver paste routing mode corresponds to the wavelength of the antenna. The silver paste routing mode corresponds the setting with the wavelength of antenna to make the transmission antenna signal that silver paste routing can be better, promote the work efficiency of antenna.
In addition, the number of the silver paste routing lines is multiple, and the routing modes of the silver paste routing lines are different; the wavelength of the antenna electrically connected with the same silver paste wire is the same, and the wavelength of the antenna electrically connected with different silver paste wires is different. Set up a plurality of silver thick liquid and walk the line, it is the same with the wavelength of the antenna of same silver thick liquid line electricity connection, it is different with the wavelength of the antenna of different silver thick liquid line electricity connections to be convenient for set up more antennas of different wavelengths, promote the range of application.
Drawings
Fig. 1 is a schematic structural diagram of a terminal device according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a terminal device according to a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a terminal device according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal device according to a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present application in various embodiments of the present invention. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.
A first embodiment of the present invention relates to a terminal device, which is specifically configured as shown in fig. 1 and includes: the touch panel comprises silver paste traces 20 arranged on the touch screen 10 and electrically connected with the touch screen 10, an antenna circuit 30 electrically connected with the silver paste traces 20, a touch circuit 40 electrically connected with the silver paste traces 20, a multiplexer 50 electrically connected with the antenna circuit 30 and the touch circuit 40, and a main board 60 electrically connected with the multiplexer 50. The main board 60 is configured to control the multiplexer 50 to transmit the antenna signal to the antenna circuit 30 and transmit the touch signal to the touch circuit 40.
Compared with the prior art, in the terminal device provided in the first embodiment of the present invention, the touch circuit 40 of the touch screen 10 and the antenna circuit 30 of the antenna are electrically connected to the silver paste trace 20 of the touch screen 10, so that multiplexing of the antenna circuit 30 and the touch circuit 40 is realized through one silver paste trace 20, the multiplexer 50 is electrically connected to the touch circuit 40 and the antenna circuit 30, and the main board 60 transmits the antenna signal to the antenna circuit 30 and the touch signal to the touch circuit 40 through controlling the multiplexer 50, so as to avoid the influence of multiplexing of the antenna circuit 30 and the touch circuit 40 on the functions of the touch screen 10. The antenna is arranged by one more choice on the premise of not influencing the function of the touch screen 10, so that the available space of the whole machine is optimized, and the difficulty of antenna design is effectively reduced.
Specifically, in the present embodiment, the multiplexer 50 is a multi-control switch, and includes a plurality of ports and a plurality of blades, and each blade individually controls connection and disconnection of one antenna circuit 30 or touch circuit 40. The main board 60 is electrically connected to the common terminal of the multi-control switch 50, and the other ports are electrically connected to the antenna circuit 30 or the touch circuit 40, respectively, so as to communicate with the antenna circuit 30 and/or the touch circuit 40 under the control of the main board 60. It should be understood that the foregoing is only a specific example of the multiplexer 50 in the present embodiment, and is not limited thereto, and in other embodiments of the present invention, the multiplexer 50 may have other structures, such as a multi-control circuit, which is not illustrated herein, and may be flexibly configured according to actual needs.
Further, in the present embodiment, the main board 60 is provided with a radio frequency port, the radio frequency port is electrically connected to the multiplexer 50, and the multiplexer 50 is controlled to transmit the antenna signal to the antenna circuit 30 or transmit the touch signal to the touch circuit 40 by detecting the frequency of the signal strength.
Specifically, in the present embodiment, the silver paste trace 20 includes a presence interface 21 for electrically connecting with the motherboard 60, and both the antenna circuit 30 and the touch circuit 40 have one end electrically connected with the presence interface 21 and the other end electrically connected with the multiplexer 50. It should be understood that the foregoing is only a specific example of the present embodiment, and is not intended to be limiting.
Further, in the present embodiment, the number of the outlet interfaces 21 is multiple, and each outlet interface 21 is electrically connected to at least one antenna circuit 30 and at least one touch circuit 40. It should be understood that the foregoing is only a specific example in the present embodiment, and is not limited thereto, and in other embodiments of the present invention, other connection structures such as that each outgoing line interface 21 is electrically connected to at least one antenna circuit 30 or at least one touch circuit 40, may also be adopted, and the arrangement may be flexibly set according to actual needs.
A second embodiment of the present invention relates to a terminal device. The second embodiment is substantially the same as the first embodiment, and includes the structures of the touch screen 10, the silver paste circuit 20, the antenna circuit 30, the touch circuit 40, the multiplexer 50, and the main board 60, but in the second embodiment of the present invention, the antenna circuit 30 includes an antenna 31 and an antenna matching network 32 electrically connected to the antenna 31.
Compared with the prior art, the terminal device provided by the second embodiment of the present invention maintains all technical effects of the terminal device provided by the first embodiment, and meanwhile, the antenna matching network 32 is arranged in the antenna circuit 30, so as to effectively optimize the performance of the antenna.
A third embodiment of the present invention relates to a terminal device. The third embodiment is substantially the same as the first embodiment, and includes the structures of the touch screen 10, the silver paste circuit 20, the antenna circuit 30, the touch circuit 40, the multiplexer 50, and the main board 60, but in the third embodiment of the present invention, the antenna circuit 30 includes the antenna 31 and the first isolation network 33, and the first isolation network 33 is used for isolating the touch signal.
Compared with the prior art, the terminal device provided by the third embodiment of the present invention keeps all technical effects of the terminal device provided by the first embodiment, and at the same time, isolates the touch signal by setting the first isolation network 33 in the antenna circuit 30, thereby avoiding the influence on the operation of the antenna caused by the transmission of the touch signal to the antenna circuit 30.
Further, in the present embodiment, the touch circuit 40 includes a second isolation network 41, and the second isolation network 41 is used for isolating the antenna signal. The second isolation network 41 is arranged in the touch circuit 40 to isolate the antenna signal, so that the influence of the transmission of the antenna signal to the touch circuit 40 on the operation of the touch screen is avoided.
Specifically, in the present embodiment, the first isolation network 33 is a low-pass filter isolation network. The second isolation network 41 is a high pass filter isolation network. It should be understood that the foregoing is only a specific illustration in this embodiment, and is not limiting, and in other embodiments of the present invention, other types of isolated networks may be used.
A fourth embodiment of the present invention relates to a terminal device. The fourth embodiment is substantially the same as the first embodiment, and includes the same structures as the touch screen 10, the silver paste lines 20, the antenna circuit 30, the touch circuit 40, the multiplexer 50, and the motherboard 60, except that in the fourth embodiment of the present invention, the number of the silver paste lines 20 is plural, the routing manner of each silver paste line is different, and the routing manner of each silver paste line 20 corresponds to the wavelength of the antenna 31 electrically connected thereto. The wavelengths of the antennas 31 electrically connected to the same silver paste trace 20 are the same, and the wavelengths of the antennas 31 electrically connected to different silver paste traces 20 are different.
Compared with the prior art, the terminal device provided by the fourth embodiment of the present invention maintains all technical effects of the terminal device provided by the first embodiment, and meanwhile, the plurality of silver paste traces 20 with different trace manners are respectively electrically connected with the antennas 31 with different wavelengths. The application range of the terminal equipment is effectively enlarged. In addition, set up many silver thick liquid and walk line 20 and correspond respectively and be connected with the antenna 31 electricity of different wavelengths, can be so that the transmission antenna signal that silver thick liquid walks line 20 can be better, promote the work efficiency of antenna.
It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.

Claims (10)

1. A terminal device, comprising:
the touch control circuit comprises silver paste wires, an antenna circuit, a touch control circuit, a multiplexer and a main board, wherein the silver paste wires are arranged on the touch control screen and electrically connected with the touch control screen;
the mainboard is used for controlling the multiplexer to transmit the antenna signal to the antenna circuit and transmit the touch signal to the touch circuit.
2. The terminal device of claim 1, wherein the silver paste trace includes an outlet interface for electrical connection with the motherboard;
and one end of each of the antenna circuit and the touch circuit is electrically connected with the outgoing line interface, and the other end of each of the antenna circuit and the touch circuit is electrically connected with the multiplexer.
3. The terminal device according to claim 2, wherein the number of the outlet interfaces is plural, and each outlet interface is electrically connected to at least one of the antenna circuits and at least one of the touch circuits.
4. The terminal device of claim 1, wherein the antenna circuit comprises an antenna and an antenna matching network electrically connected to the antenna.
5. The terminal device of claim 1, wherein the antenna circuit comprises a first isolation network, the first isolation network configured to isolate the touch signal.
6. The terminal device of claim 5, wherein the first isolation network is a low pass filter isolation network.
7. The terminal device of claim 1, wherein the touch circuitry comprises a second isolation network for isolating antenna signals.
8. The terminal device of claim 7, wherein the second isolation network is a high pass filter isolation network.
9. The terminal device of claim 1, wherein the antenna circuit comprises an antenna electrically connected to the silver paste trace;
the silver paste routing mode corresponds to the wavelength of the antenna.
10. The terminal device according to claim 9, wherein the number of the silver paste traces is plural, and the silver paste traces are routed in different manners;
the wavelength of the antenna electrically connected with the same silver paste wire is the same, and the wavelength of the antenna electrically connected with different silver paste wires is different.
CN202010619950.8A 2020-06-30 2020-06-30 Terminal device Active CN111800528B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010619950.8A CN111800528B (en) 2020-06-30 2020-06-30 Terminal device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010619950.8A CN111800528B (en) 2020-06-30 2020-06-30 Terminal device

Publications (2)

Publication Number Publication Date
CN111800528A CN111800528A (en) 2020-10-20
CN111800528B true CN111800528B (en) 2021-11-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010619950.8A Active CN111800528B (en) 2020-06-30 2020-06-30 Terminal device

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102737582A (en) * 2012-04-06 2012-10-17 信利工业(汕尾)有限公司 Termination point (TP) On/In Cell type organic electroluminescent display integrated with near field communication (NFC) antenna
CN102882545A (en) * 2012-09-21 2013-01-16 敦泰科技有限公司 Communication equipment
CN104485983A (en) * 2014-12-09 2015-04-01 深圳市汇顶科技股份有限公司 Touch screen and terminal integrated with NFC (Near Filed Communication) antenna and near filed communication method thereof
CN104635966A (en) * 2013-11-11 2015-05-20 华为终端（东莞）有限公司 Touch screen and terminal device
CN204790936U (en) * 2015-07-10 2015-11-18 上海安费诺永亿通讯电子有限公司 Integration has touch screen and electronic equipment of NFCRFID antenna
CN210744172U (en) * 2019-12-03 2020-06-12 安徽华米信息科技有限公司 Antenna device, touch screen and terminal equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6941618B2 (en) * 2002-09-13 2005-09-13 Samsung Electronics Co., Ltd. Hinge device for portable wireless terminal
KR20110077362A (en) * 2009-12-30 2011-07-07 엘지전자 주식회사 Antenna, preparing method thereof and mobile terminal comprising the same
CN203747018U (en) * 2014-01-26 2014-07-30 深圳市瑞森思科技有限公司 Antenna structure of capacitive touch screen
US10693516B2 (en) * 2018-06-25 2020-06-23 Apple Inc. Electronic device having adjustable antenna settings
CN210666728U (en) * 2019-09-29 2020-06-02 维沃移动通信有限公司 Touch screen and electronic equipment
CN111045548B (en) * 2019-11-27 2023-07-28 上海天马微电子有限公司 Touch device and touch display device thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102737582A (en) * 2012-04-06 2012-10-17 信利工业(汕尾)有限公司 Termination point (TP) On/In Cell type organic electroluminescent display integrated with near field communication (NFC) antenna
CN102819346A (en) * 2012-04-06 2012-12-12 信利工业(汕尾)有限公司 Touch screen of integrated NFC (near-field communication) antenna
CN102882545A (en) * 2012-09-21 2013-01-16 敦泰科技有限公司 Communication equipment
CN104635966A (en) * 2013-11-11 2015-05-20 华为终端（东莞）有限公司 Touch screen and terminal device
CN104485983A (en) * 2014-12-09 2015-04-01 深圳市汇顶科技股份有限公司 Touch screen and terminal integrated with NFC (Near Filed Communication) antenna and near filed communication method thereof
CN204790936U (en) * 2015-07-10 2015-11-18 上海安费诺永亿通讯电子有限公司 Integration has touch screen and electronic equipment of NFCRFID antenna
CN210744172U (en) * 2019-12-03 2020-06-12 安徽华米信息科技有限公司 Antenna device, touch screen and terminal equipment

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