CN110445917B - Terminal - Google Patents

Terminal Download PDF

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Publication number
CN110445917B
CN110445917B CN201910734173.9A CN201910734173A CN110445917B CN 110445917 B CN110445917 B CN 110445917B CN 201910734173 A CN201910734173 A CN 201910734173A CN 110445917 B CN110445917 B CN 110445917B
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CN
China
Prior art keywords
module
back cover
antenna body
antenna
short circuit
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CN201910734173.9A
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Chinese (zh)
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CN110445917A (en
Inventor
崔旭旺
李鹏
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to CN201910734173.9A priority Critical patent/CN110445917B/en
Publication of CN110445917A publication Critical patent/CN110445917A/en
Application granted granted Critical
Publication of CN110445917B publication Critical patent/CN110445917B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242Supports; 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0235Slidable or telescopic telephones, i.e. with a relative translation movement of the body parts; Telephones using a combination of translation and other relative motions of the body parts
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components

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

Abstract

The present disclosure provides a terminal. The terminal comprises a screen module, a back cover module and an antenna module; the screen module and the back cover module are in slidable connection; the antenna module includes: the antenna comprises an antenna body and a short circuit elastic sheet; the short circuit elastic sheet is arranged on one side of the screen module, which is opposite to the back cover module; the antenna body is arranged on one side of the back cover module, which is opposite to the screen module; when the position relation between the screen module and the back cover module is the first position relation, the short circuit elastic sheet is contacted with the antenna body; when the position relationship between the screen module and the back cover module is the second position relationship, the short circuit elastic sheet is separated from the antenna body. Compare in correlation technique, adjust the resonant frequency of antenna through adding electric capacity and inductance, the terminal that this disclosed embodiment provided changes the radiation length of antenna body through the short circuit shell fragment to adjust the resonant frequency of antenna, saved the occupation of space, avoided the influence to other electronic components in the terminal.

Description

Terminal
Technical Field
The embodiment of the disclosure relates to the technical field of terminals, in particular to a terminal.
Background
Terminals having a wireless communication function, such as a mobile phone, are generally provided with an antenna, and a function of transmitting and receiving radio frequency signals is realized through the antenna.
In the related art, when a slider phone is opened and closed, the antenna is prone to frequency deviation, so that the resonant frequency of the antenna is higher or lower, and the communication quality is poor. In order to solve this problem, a capacitor or an inductor is usually added to the terminal, and the resonant frequency of the antenna is adjusted by the capacitor or the inductor.
However, since the space of the terminal is limited, the addition of the capacitor and the inductor occupies a certain space, which affects the arrangement of other electronic components in the terminal.
Disclosure of Invention
The embodiment of the disclosure provides a terminal. The technical scheme is as follows:
according to a first aspect of the embodiments of the present disclosure, a terminal is provided, where the terminal includes a screen module, a back cover module, and an antenna module; the screen module and the back cover module are in slidable connection;
the antenna module includes: the antenna comprises an antenna body and a short circuit elastic sheet;
the short circuit elastic sheet is arranged on one side of the screen module, which is opposite to the back cover module;
the antenna body is arranged on one side of the back cover module, which is opposite to the screen module;
when the position relation between the screen module and the back cover module is a first position relation, the short circuit elastic sheet is contacted with the antenna body;
when the position relation between the screen module and the back cover module is a second position relation, the short circuit elastic sheet is separated from the antenna body.
Optionally, the first positional relationship means that the screen module and the back cover module are completely overlapped;
the second position relation means that the screen module and the back cover module are partially overlapped.
Optionally, the antenna body comprises a feed point and a ground point;
when the position relationship between the screen module and the back cover module is the first position relationship, the feeding point is located between the short circuit elastic sheet and the grounding point.
Optionally, the antenna body includes a first region, a second region, a third region and a fourth region connected in sequence;
the grounding point is located in the first area, the feeding point is located in the second area, and the short circuit elastic piece is located in the third area.
Optionally, the antenna body comprises a feed point and a ground point;
when the position relationship between the screen module and the back cover module is the first position relationship, the grounding point is positioned between the short circuit elastic sheet and the feeding point.
Optionally, the antenna body includes a first region, a second region, a third region and a fourth region connected in sequence;
the feeding point is located in the first area, the grounding point is located in the second area, and the short circuit elastic piece is located in the third area.
Optionally, the antenna module further includes a feeding circuit and a grounding circuit;
the feed circuit is connected with the feed point; the grounding circuit is connected with the grounding point;
when the position relationship between the screen module and the back cover module is the first position relationship, current sequentially passes through the feed circuit, the feed point, the antenna body, the short circuit elastic piece, the antenna body, the grounding point and the grounding circuit;
when the position relationship between the screen module and the back cover module is the second position relationship, the current sequentially passes through the feed circuit, the feed point, the antenna body, the grounding point and the grounding circuit.
Optionally, a clearance area is arranged at the top of the back cover module; the antenna body is arranged in the clearance area.
Optionally, the back cover module is a segmented metal back cover, and the antenna body is a top frame of the segmented metal back cover.
Optionally, the screen module comprises a flexible screen.
The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:
the terminal provided by the embodiment of the disclosure comprises a screen module, a back cover module and an antenna module; the antenna module comprises an antenna body and a short circuit elastic sheet; when the position relation between the screen module and the back cover module is the first position relation, the short circuit elastic sheet is contacted with the antenna body; when the position relationship between the screen module and the back cover module is the second position relationship, the short circuit elastic sheet is separated from the antenna body. Compare in correlation technique, adjust the resonant frequency of antenna through adding electric capacity and inductance, the terminal that this disclosed embodiment provided changes the radiation length of antenna body through the short circuit shell fragment to adjust the resonant frequency of antenna, saved the occupation of space, avoided the influence to other electronic components in the terminal.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
Fig. 1 illustrates a schematic diagram of a terminal provided by an embodiment of the present disclosure;
fig. 2 is a schematic view illustrating the contact between the shorting strip and the antenna body in the first positional relationship;
fig. 3 is a schematic view illustrating the short circuit spring separated from the antenna body in the second positional relationship;
fig. 4 illustrates a schematic view of an antenna body;
fig. 5 schematically shows the direction of current flow.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
In the embodiment of the present disclosure, the terminal may be various handheld devices (such as a Mobile phone, a tablet computer), a vehicle-mounted device, a wearable device, a computing device, a smart home device or other processing devices connected to a wireless modem, and various forms of User Equipment (UE), a Mobile Station (MS), a terminal device (terminal device), and the like. For convenience of description, in the embodiments of the present disclosure, the above-mentioned devices are collectively referred to as a terminal.
Referring to fig. 1 in combination, a schematic diagram of a terminal provided by an embodiment of the present disclosure is exemplarily shown.
The terminal 100 includes a screen module 10, a back cover module 20, and an antenna module (not shown in fig. 1). The screen module 10 and the back cover module 20 are slidably connected. Through the slidable connection, the screen module 10 and the back cover module 20 can slide up and down or left and right.
Optionally, the slidable connection may be implemented by a magnetomotive force, a motor drive manner, or other manners, which is not limited in this disclosure.
The antenna module includes: antenna body and short circuit shell fragment. The antenna body is used for receiving and transmitting signals.
Alternatively, the antenna body may be an LDS (Laser Direct Structuring) antenna or an FPC (Flexible Printed Circuit board) antenna. The LDS antenna is an antenna formed by an LDS technology, the LDS technology is a technology capable of directly radiusing the antenna on a terminal, and the LDS antenna has the characteristics of stable performance, short manufacturing process, strong anti-interference capability, high space utilization rate of the terminal and the like; the FPC antenna is formed by FPC technology, is connected through a feeder line, can be usually pasted on a terminal by using a back adhesive, and has the characteristics of good performance, free installation, low cost, high gain and the like.
Optionally, the back cover module 20 is a segmented metal back cover, and the antenna body is a top frame of the segmented metal back cover.
The short circuit spring piece is used for changing the flow path of current in the antenna body, so that the radiation length of the antenna body is changed. Optionally, the short circuit elastic piece may be a metal elastic piece such as a copper sheet, or an elastic piece made of other conductive materials, which is not limited in the embodiment of the disclosure.
The short circuit spring is disposed on the side of the screen module 10 opposite to the back cover module 20. The antenna body is disposed on the back cover module 20 and on a side opposite to the screen module 10.
Alternatively, the screen module 10 may include a screen and a screen back layer, and the screen back layer is opposite to the back cover module 20. The short circuit spring can be arranged on the screen back layer. The screen backing layer may be a metal layer. The screen may be a flexible screen.
When the position relationship between the screen module 10 and the back cover module 20 is the first position relationship, the short circuit elastic sheet contacts with the antenna body. Optionally, the first positional relationship means that the screen module 10 and the back cover module 20 completely coincide.
Exemplarily, as shown in fig. 2, a schematic diagram of the contact between the shorting tab and the antenna body in the first positional relationship is exemplarily shown. Wherein, part (a) of fig. 2 is a front view; part (b) of fig. 2 is a left side view. The screen module 10 and the back cover module 20 are completely overlapped. The top of the back cover module 30 is provided with an antenna body 30; the screen module 10 includes a screen 11 and a screen back layer 12, and the short circuit spring 40 is disposed on the screen back layer 12 and contacts with the antenna body 30.
When the position relationship between the screen module 10 and the back cover module 20 is the second position relationship, the short circuit elastic sheet is separated from the antenna body. Alternatively, the second positional relationship means that the screen module 10 and the back cover module 20 partially coincide.
Exemplarily, as shown in fig. 3, a schematic diagram of the short circuit spring being separated from the antenna body in the second position relationship is exemplarily shown. Wherein, part (a) of fig. 3 is a front view; part (b) of fig. 3 is a left side view. The screen module 10 partially overlaps the back cover module 20. The top of the back cover module 30 is provided with an antenna body 30; the screen module 10 includes a screen 11 and a screen backing layer 12, and the short circuit spring 40 is disposed on the screen backing layer 12 and separated from the antenna body 30.
It should be noted that the position of the short circuit elastic sheet 40 can be determined according to the frequency offset of the screen module 10 and the back cover module 20 in the first positional relationship and the second positional relationship.
To sum up, the terminal provided by the embodiment of the present disclosure includes a screen module, a back cover module and an antenna module; the antenna module comprises an antenna body and a short circuit elastic sheet; when the position relation between the screen module and the back cover module is the first position relation, the short circuit elastic sheet is contacted with the antenna body; when the position relationship between the screen module and the back cover module is the second position relationship, the short circuit elastic sheet is separated from the antenna body. Compare in correlation technique, adjust the resonant frequency of antenna through adding electric capacity and inductance, the terminal that this disclosed embodiment provided changes the radiation length of antenna body through the short circuit shell fragment to adjust the resonant frequency of antenna, saved the occupation of space, avoided the influence to other electronic components in the terminal.
In an exemplary embodiment, the antenna body includes a feeding point and a grounding point. The feeding point can also be called as a power supply point, and can be used for feeding current into the antenna body. The grounding point can be used for grounding the antenna body. Alternatively, the number of grounding points may be multiple, such as 2, 3 or even more. A plurality of grounding points are arranged on the antenna body, so that frequency band requirements of different operator versions can be met.
Alternatively, as shown in fig. 4, the antenna body 30 includes a first region 31, a second region 32, a third region 33, and a fourth region 34 connected in sequence. The arrangement directions of the four regions are perpendicular to the sliding directions of the screen module and the back cover module.
In a possible embodiment, when the positional relationship between the screen module and the back cover module is the first positional relationship, the feeding point is located between the short-circuit elastic piece and the grounding point.
In this case the grounding point is located in the first area 31, the feeding point is located in the second area 32 and the shorting clip is located in the third area 33.
In another possible embodiment, when the positional relationship between the screen module and the back cover module is the first positional relationship, the grounding point is located between the short-circuit elastic piece and the feeding point.
In this case the feeding point is located in the first area 31, the grounding point is located in the second area 32 and the shorting clip is located in the third area 33.
It should be noted that the feeding point, the grounding point, and the short-circuit elastic piece may be located on the same straight line, or may not be located on the same straight line, which is not limited in the embodiment of the present disclosure.
In an exemplary embodiment, the antenna module further includes a feeding circuit and a grounding circuit; the feed circuit is connected with the feed point; the grounding circuit is connected with the grounding point.
When the position relationship between the screen module and the back cover module is the first position relationship, the current passes through the feed circuit, the feed point, the antenna body, the short circuit elastic piece, the antenna body, the grounding point and the grounding circuit in sequence. When the position relationship between the screen module and the back cover module is the second position relationship, the current passes through the feeding circuit, the feeding point, the antenna body, the grounding point and the grounding circuit in sequence.
For example, as shown in fig. 5, when the position relationship between the screen module and the back cover module is the first position relationship, the radiation length of the antenna body is L2, the current flows from the feeding point circuit through the feeding point a, the AC section of the antenna body to the short-circuit elastic piece C, then through the CB section to the grounding point B, and flows into the grounding circuit through the grounding point B. When the position relationship between the screen module and the back cover module is the second position relationship, the radiation length of the antenna body is L1, the current flows from the feeding point circuit through the feeding point A to the AD section of the antenna body, then flows from the antenna local end point D to the grounding point B through the DB section of the antenna body, and flows into the grounding circuit through the grounding point B.
Optionally, a clearance area is arranged at the top of the back cover module; the antenna body is arranged in the clearance area.
Illustratively, as shown in fig. 5, the top of the back cover module is provided with a clearance 21, and the antenna body is provided in the clearance 21.
Through setting up the antenna body in the clearance area, can reduce the influence that inside metal produced the antenna body on the one hand, on the other hand can guarantee the efficiency of antenna body signal reception.
To sum up, the terminal provided by the embodiment of the present disclosure changes the radiation length of the antenna body through the short circuit elastic sheet, and further can reduce the influence caused by the frequency offset when the screen module and the back cover module are in different position relationships, and improve the radiation efficiency of the antenna body.
It should be understood that reference to "a plurality" herein means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The above description is only exemplary of the present disclosure and is not intended to limit the present disclosure, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.

Claims (8)

1. A terminal is characterized by comprising a screen module, a back cover module and an antenna module; the screen module and the back cover module are in slidable connection;
the antenna module includes: the antenna comprises an antenna body and a short circuit elastic sheet;
the short circuit elastic sheet is arranged on one side of the screen module, which is opposite to the back cover module;
the antenna body is arranged on one side of the back cover module opposite to the screen module and comprises a feed point and a grounding point;
when the position relationship between the screen module and the back cover module is a first position relationship, the short circuit elastic sheet is contacted with the antenna body, the feed point is positioned between the short circuit elastic sheet and the grounding point, or the grounding point is positioned between the short circuit elastic sheet and the feed point;
when the position relation between the screen module and the back cover module is a second position relation, the short circuit elastic sheet is separated from the antenna body.
2. The terminal of claim 1,
the first position relation means that the screen module and the back cover module are completely overlapped;
the second position relation means that the screen module and the back cover module are partially overlapped.
3. The terminal of claim 1, wherein the antenna body comprises a first region, a second region, a third region and a fourth region connected in sequence;
and under the condition that the feeding point is positioned between the short circuit elastic sheet and the grounding point, the grounding point is positioned in the first area, the feeding point is positioned in the second area, and the short circuit elastic sheet is positioned in the third area.
4. The terminal of claim 1, wherein the antenna body comprises a first region, a second region, a third region and a fourth region connected in sequence;
and under the condition that the grounding point is positioned between the short-circuit elastic sheet and the feeding point, the feeding point is positioned in the first area, the grounding point is positioned in the second area, and the short-circuit elastic sheet is positioned in the third area.
5. A terminal as claimed in any one of claims 1 to 4, characterised in that the antenna module further comprises a feed circuit and a ground circuit;
the feed circuit is connected with the feed point; the grounding circuit is connected with the grounding point;
when the position relationship between the screen module and the back cover module is the first position relationship, current sequentially passes through the feed circuit, the feed point, the antenna body, the short circuit elastic piece, the antenna body, the grounding point and the grounding circuit;
when the position relationship between the screen module and the back cover module is the second position relationship, the current sequentially passes through the feed circuit, the feed point, the antenna body, the grounding point and the grounding circuit.
6. The terminal according to any of claims 1 to 4,
a clearance area is arranged at the top of the back cover module; the antenna body is arranged in the clearance area.
7. A terminal as claimed in any one of claims 1 to 4, wherein the back cover module is a segmented metal back cover and the antenna body is a top rim of the segmented metal back cover.
8. A terminal as claimed in any one of claims 1 to 4, wherein the screen module comprises a flexible screen.
CN201910734173.9A 2019-08-09 2019-08-09 Terminal Active CN110445917B (en)

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CN201910734173.9A CN110445917B (en) 2019-08-09 2019-08-09 Terminal

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CN201910734173.9A CN110445917B (en) 2019-08-09 2019-08-09 Terminal

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CN110445917B true CN110445917B (en) 2020-10-23

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111010470B (en) 2019-12-10 2021-09-03 惠州Tcl移动通信有限公司 Antenna tuning method, device and storage medium
CN111083258A (en) * 2019-12-20 2020-04-28 上海摩勤智能技术有限公司 NFC screen module and electronic terminal

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1747341A (en) * 2004-09-06 2006-03-15 乐金电子(中国)研究开发中心有限公司 Slide cover style mobile communication terminal with built-in antenna
CN1828995A (en) * 2005-03-01 2006-09-06 明基电通股份有限公司 Antenna device
US7274335B2 (en) * 2005-11-30 2007-09-25 Samsung Electronics Co., Ltd. Antenna for slide-type wireless terminal device
JP2009159234A (en) * 2007-12-26 2009-07-16 Mitsubishi Electric Corp Portable radio terminal
CN102569990A (en) * 2010-12-17 2012-07-11 宏达国际电子股份有限公司 Handheld device and planar antenna thereof
CN105552552A (en) * 2016-01-27 2016-05-04 杭州禾声科技有限公司 Multiband antenna based on metal frame
CN109818138A (en) * 2019-03-07 2019-05-28 闻泰通讯股份有限公司 Antenna structure

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1747341A (en) * 2004-09-06 2006-03-15 乐金电子(中国)研究开发中心有限公司 Slide cover style mobile communication terminal with built-in antenna
CN1828995A (en) * 2005-03-01 2006-09-06 明基电通股份有限公司 Antenna device
US7274335B2 (en) * 2005-11-30 2007-09-25 Samsung Electronics Co., Ltd. Antenna for slide-type wireless terminal device
JP2009159234A (en) * 2007-12-26 2009-07-16 Mitsubishi Electric Corp Portable radio terminal
CN102569990A (en) * 2010-12-17 2012-07-11 宏达国际电子股份有限公司 Handheld device and planar antenna thereof
CN105552552A (en) * 2016-01-27 2016-05-04 杭州禾声科技有限公司 Multiband antenna based on metal frame
CN109818138A (en) * 2019-03-07 2019-05-28 闻泰通讯股份有限公司 Antenna structure

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