WO2023082709A1 - Terminal mobile ayant une clé latérale d'empreinte digitale étanche à l'eau - Google Patents

Terminal mobile ayant une clé latérale d'empreinte digitale étanche à l'eau Download PDF

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Publication number
WO2023082709A1
WO2023082709A1 PCT/CN2022/108139 CN2022108139W WO2023082709A1 WO 2023082709 A1 WO2023082709 A1 WO 2023082709A1 CN 2022108139 W CN2022108139 W CN 2022108139W WO 2023082709 A1 WO2023082709 A1 WO 2023082709A1
Authority
WO
WIPO (PCT)
Prior art keywords
fpc
mobile terminal
sleeve
accommodating groove
fingerprint
Prior art date
Application number
PCT/CN2022/108139
Other languages
English (en)
Chinese (zh)
Inventor
丁英杰
魏冬
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2023082709A1 publication Critical patent/WO2023082709A1/fr

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Classifications

    • 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
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • H04M1/236—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof including keys on side or rear faces
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • 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
    • 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
    • H04M1/0249—Details of the mechanical connection between the housing parts or relating to the method of assembly
    • 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
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • 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
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment
    • H04M1/185—Improving the rigidity of the casing or resistance to shocks
    • 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
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/06—Hermetically-sealed casings
    • H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing

Definitions

  • the present disclosure relates to the technical field of mobile terminals, in particular to a mobile terminal with waterproof fingerprint side keys.
  • the patent CN204302997U uses traditional front fingerprints, which are pasted with waterproof glue on the mobile phone case to achieve a waterproof effect.
  • the flexible circuit board 3' is placed directly under the fingerprint recognition module 5' in the first groove 4'.
  • the front shell 2' where the screen 1' is placed is also provided with a second groove 6' for accommodating the connector 7', the second groove 6' is filled with a waterproof adhesive layer, and the waterproof adhesive layer covers the connector 7'.
  • this solution requires a relatively large space, especially in the thickness direction, the thickness of the whole machine is relatively thick, the flexible circuit board used for electrical connection is long, the assembly is relatively complicated, and it is pasted with waterproof glue, making maintenance difficult.
  • Patent CN112165541A adopts side fingerprints. As shown in Figure 2, a side decoration 2' is removed separately, and the conductive base 4' is glued to the casing 1' through AB glue 5', and the integrated fingerprint is integrated through the dispensing scheme.
  • the identification button 3' is fixed on the casing 1', and the waterproof between the decorative part and the fingerprint is realized by dispensing glue.
  • this solution needs to disassemble a decorative part separately, which has special requirements on the shape, and after the flexible circuit board is pasted with the decorative part, the key feels poor and the user experience is poor.
  • the glue paste scheme is used to achieve waterproofing, and there is no reworkability.
  • the disclosure provides a mobile terminal with a waterproof fingerprint side key, which is used to solve the problems in the related art that the sealing structure of the fingerprint key part is complicated and the fingerprint key is not easy to repair.
  • the present disclosure provides a mobile terminal with waterproof fingerprint side keys, including: a middle frame, the middle frame includes a side key installation hole penetrating the outside, located inside the side key installation hole and connected to the The accommodation groove communicated with the side key installation hole and the FPC through hole communicating with the accommodation groove and penetrating inside, wherein along the axis direction perpendicular to the side key installation hole, the side key installation hole and the FPC through hole are misaligned;
  • the fingerprint side key the fingerprint side key includes a keycap arranged in the side key installation hole, a fingerprint button arranged in the keycap, arranged in the accommodating groove and electrically connected with the fingerprint button
  • the FPC and the switch arranged outside the keycap and linked with the keycap, wherein the welding leg of the switch is welded on the FPC, the FPC is sealed and connected with the keycap and pierced through the FPC Pass through and be electrically connected with the main circuit board of the mobile terminal;
  • the bracket the bracket is arranged in the accommodating groove
  • FIG. 1 is a schematic structural diagram of a first type of mobile terminal disclosed in the related art
  • FIG. 2 is a schematic structural diagram of a second mobile terminal disclosed in the related art
  • FIG. 3 is a schematic diagram of a three-dimensional structure of a mobile terminal disclosed in an embodiment of the present disclosure
  • FIG. 4 is a schematic front structural diagram of a mobile terminal disclosed in an embodiment of the present disclosure.
  • FIG. 5 is a schematic diagram of an exploded structure of a mobile terminal disclosed in an embodiment of the present disclosure
  • Fig. 6 is a schematic diagram of the installation structure of the switch disclosed in the embodiment of the present disclosure.
  • Fig. 7 is a schematic diagram of the installation structure of the sealing sleeve disclosed in the embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of cooperation between a TPU guide post and a switch disclosed in an embodiment of the present disclosure.
  • the accompanying drawings 1-8 specifically include the following reference signs: screen-1'; front shell-2'; flexible circuit board-3'; first slot-4'; fingerprint identification module-5'; Second slot-6'; Connector-7'; Case-1'; Side decoration-2'; Fingerprint identification button-3'; Key installation hole-11; accommodation slot-12; FPC perforation-13; card slot-121; boss-122; fingerprint side key-2; key cap-21; ;Second part-222;welding foot-231;bracket-3;avoidance groove-31;card table-32;TPU guide post-33;seal-4;seal sleeve-41;first sleeve body-411; Two sets of body-412; annular convex edge-413.
  • the mobile terminal provided by the embodiment of the present disclosure includes a middle frame 1 , a fingerprint side key 2 , a bracket 3 and a sealing member 4 .
  • the fingerprint side key 2 includes a keycap 21, a FPC (Flexible Printed Circuit, flexible circuit board) 22 and a switch 23.
  • the seal 4 includes a sealing sleeve 41 sleeved on the FPC22.
  • the sealing sleeve 41 can be molded on the FPC 22 by means of silicone molding, such as liquid silicone injection molding or silicone oil pressure. In this way, the bonding force between the sealing sleeve 41 and the FPC 22 is strong, it is not easy to peel off, and waterproofing can be well realized.
  • the sealing sleeve 41 on the FPC 22 is in interference fit with the middle frame 1 to realize waterproofing, and at the same time, the middle frame 1 is divided into two cavities.
  • the welding legs of the switch 23 are welded on the FPC22, and glue is dispensed at this position to realize waterproofing.
  • the middle frame 1 is provided with side key installation holes 11 , accommodating slots 12 and FPC through holes 13 .
  • the accommodating groove 12 is arranged on the frame wall of the middle frame 1 and is in the shape of a cuboid with an opening at the top.
  • the side key installation hole 11 is roughly elongated and oblate with the same hole diameter at each part, located at one end of the accommodating groove 12 and passing through the accommodating groove 12 and the outside world.
  • the FPC perforation 13 is generally elongated and oblate with the same hole diameter at each part, located at the other end of the accommodating groove 12 and penetrating through the accommodating groove 12 and the inside of the middle frame 1 .
  • the fingerprint side key 2 includes a key cap 21 , a fingerprint button, an FPC 22 and a switch 23 .
  • the keycap 21 is installed in the side key mounting hole 11, and is surrounded by the top wall, the bottom wall and the side walls surrounding the top wall and the bottom wall. Its shape is adapted to the side key mounting hole 11 and the cross-sectional area (vertical side The cross-sectional area of the key installation hole 11 in the axial direction) is slightly smaller than the cross-sectional area of the side key installation hole 11 (the cross-sectional area perpendicular to the axial direction of the side key installation hole 11).
  • the bottom wall of the keycap 21 is detachably connected to the side wall, and the bottom of the side wall located on the short side of the top wall and away from the FPC through hole 13 is provided with an opening parallel to the bottom wall.
  • the fingerprint button is installed on the top wall of the keycap 21 from the bottom of the keycap 21, and functions such as waking up the mobile terminal can be realized by touching the fingerprint button.
  • the structure of the fingerprint button is the same as usual, including the fingerprint chip, etc., and will not be described in detail here.
  • FPC 22 includes a first part 221 and a second part 222 .
  • the first portion 221 is parallel to and abuts against the bottom wall of the keycap 21 , and extends from one end of the side key mounting hole 11 to one end of the FPC through hole 13 .
  • the first part 221 protrudes into the keycap 21 from the opening of the side wall of the keycap 21 after the end close to the keycap 21 is bent, so that the fingerprint button is electrically connected to the FPC22.
  • Glue is dispensed on the opening of the side wall of the keycap 21 to seal the FPC22 and the keycap 21.
  • the second part 222 is parallel to the groove bottom of the accommodating groove 12, is arranged on one end of the first part 221 close to the FPC through hole 13, is connected with the top of the first part 221, and passes through the FPC through hole 13 to connect with the main circuit board of the mobile terminal connect.
  • the switch 23 is arranged outside the keycap 21. As shown in FIG. 6 , a welding foot 231 is respectively provided at its four corners, and is welded on the side of the FPC 22 facing away from the keycap 21 through the welding foot 231 .
  • the keycap 21 is pressed manually, and the switch 23 is pressed by the keycap 21 to open the switch 23, and then an electrical signal is sent to the main circuit board of the mobile terminal through the switch 23.
  • the realization principle and structure of the switch 23 are the same as usual, and will not be described in detail here.
  • the bracket 3 is installed in the accommodating groove 12 and extends from one end of the accommodating groove 12 to the other end, and the bracket 3 abuts against the first portion 221 of the FPC 22 to fix the FPC 22 .
  • the two ends of support 3 are provided with card platform 32, and the two ends of accommodating groove 12 are provided with card groove 121, as shown in Figure 3, Figure 5, realize the fixation of support 3 by cooperation of card platform 32 and card groove 121 .
  • the bracket 3 is provided with an avoidance groove 31 at the end away from the side key installation hole 11 , and the second part 222 of the FPC22 passes through the avoidance groove 31 , and avoids the second part 222 of the FPC22 through the avoidance groove 31 .
  • a boss 122 is provided at the bottom of the accommodating groove 12 , and the second part 222 of the FPC 22 is supported by the boss 122 .
  • the bracket 3 is provided with a TPU (Thermoplastic Urethane, thermoplastic polyurethane elastomer) guide post 33 at one end close to the side key installation hole 11 , and the TPU guide post 33 abuts against the switch 23 .
  • TPU Thermoplastic Urethane, thermoplastic polyurethane elastomer
  • the switch 23 is supported by the TPU guide column 33 to realize the opening of the switch 23 .
  • TPU is softer and more elastic than ordinary plastics, which can realize the pressing feeling and can effectively increase the service life of the switch 23 .
  • the sealing element 4 is disposed in the FPC through hole 13 and includes a sealing sleeve 41 and a sealing glue.
  • the sealant point is arranged at the welding foot 231 of the switch 23, and the welding foot 231 of the switch 23 is sealed by the sealant to realize waterproofing at this position.
  • the sealing sleeve 41 can be a silicone sealing sleeve 41 , which is injection-molded on the second part 222 of the FPC 22 in the form of liquid silicone or hydraulic silicone, forming an integrated structure with the FPC 22 .
  • the bonding force between the sealing sleeve 41 and the FPC 22 is strong, and it is not easy to peel off, and the material is moderately soft and hard, which can achieve waterproofing well; the cost is low, and it is easy to process and manufacture.
  • the sealing sleeve 41 includes a first sleeve body 411 and a second sleeve body 412 connected to each other.
  • the first casing 411 is located in the FPC through hole 13 , and has an interference fit with the FPC through hole 13 to improve the sealing performance of the first casing 411 .
  • the middle part of the first sleeve body 411 is provided with an annular convex edge 413.
  • the parts of the first sleeve body 411 located on both sides of the annular convex edge 413 and the annular convex edge 413 are interference fit with the FPC perforation 13, further The tightness of the first sleeve 411 is improved.
  • the second sleeve body 412 is located in the accommodation groove 12 outside the FPC perforation 13, and the cross-sectional area of the second sleeve body 412 (the cross-sectional area of the vertical FPC perforation 13 axis) is greater than the cross-sectional area of the FPC perforation 13 (perpendicular to the FPC perforation 13 axis).
  • the FPC22 is fixed in the accommodating groove 12 through the sealing sleeve 41 and the bracket 3, so as to realize the installation of the FPC22 and the waterproof requirement of the mobile terminal.
  • the key cap 21 When installing the fingerprint side key 2, the key cap 21 is placed in the accommodation groove 12 first, the FPC 22 passes through the FPC through hole 13 and the sealing sleeve 41 is installed in place. Then insert the keycap 21 into the side key installation hole 11 , and fix the bracket 3 in the accommodating groove 12 .
  • the sealing sleeve 41 on the FPC 22 is in interference fit with the middle frame 1 , which divides the middle frame 1 into two cavities, and at the same time realizes waterproofing inside the middle frame 1 .
  • the middle frame 1 which divides the middle frame 1 into two cavities, and at the same time realizes waterproofing inside the middle frame 1 .
  • the connecting parts of the FPC22 and the keycap 21 and the connecting parts of the FPC22 and the switch 23 need to be waterproofed, and few parts need to be waterproofed, which can be realized only by dispensing glue.
  • the waterproof function of the fingerprint side key is realized in a limited space, which can effectively reduce the thickness of the mobile terminal, and the structure is simple, easy to assemble, no non-detachable forms such as adhesive tape are used, and only the sealing sleeve 41 is tightly connected and the bracket 3 are clipped together, which greatly facilitates maintenance and rework.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Push-Button Switches (AREA)
  • Telephone Set Structure (AREA)

Abstract

La présente invention concerne un terminal mobile doté d'une clé latérale à empreinte digitale étanche, comprenant : un cadre central, qui comprend un trou de montage de clé latérale, une rainure de logement et un trou de passage de FPC ; une clé latérale à empreinte digitale, qui comprend un capuchon de clé, une clé à empreinte digitale, un FPC et un commutateur qui est disposé à l'extérieur du capuchon de clé et qui est relié au capuchon de clé, une broche de soudage du commutateur étant soudée au FPC ; un support, qui est disposé dans la rainure de logement, fixe le FPC et vient en butée contre le commutateur ; et un élément d'étanchéité, qui comprend un manchon d'étanchéité disposé sur le FPC et situé dans le trou de passage du FPC, ainsi qu'un produit d'étanchéité disposé en pointillés sur la partie de la broche de soudage de l'interrupteur, dans lequel le manchon d'étanchéité sépare la rainure de logement et l'intérieur du cadre central et assure l'étanchéité de l'emplacement du trou de passage du FPC. Le manchon d'étanchéité est moulé sous la pression d'un gel de silice liquide ou d'une huile de gel de silice.
PCT/CN2022/108139 2021-11-11 2022-07-27 Terminal mobile ayant une clé latérale d'empreinte digitale étanche à l'eau WO2023082709A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111329672.3 2021-11-11
CN202111329672.3A CN116112592A (zh) 2021-11-11 2021-11-11 具有防水指纹侧键的移动终端

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WO2023082709A1 true WO2023082709A1 (fr) 2023-05-19

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CN (1) CN116112592A (fr)
WO (1) WO2023082709A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207427652U (zh) * 2017-10-24 2018-05-29 广东欧珀移动通信有限公司 防水组件以及移动终端
JP2019009563A (ja) * 2017-06-22 2019-01-17 富士通株式会社 電子機器
CN208637350U (zh) * 2018-07-26 2019-03-22 上海与德通讯技术有限公司 侧键结构和移动终端
US20190289108A1 (en) * 2018-03-19 2019-09-19 Lg Electronics Inc. Key module and mobile terminal having same, and method of assembling key module
WO2021033862A1 (fr) * 2019-08-19 2021-02-25 삼성전자 주식회사 Dispositif électronique comprenant un élément conducteur
CN216291073U (zh) * 2021-11-11 2022-04-12 中兴通讯股份有限公司 具有防水指纹侧键的移动终端

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019009563A (ja) * 2017-06-22 2019-01-17 富士通株式会社 電子機器
CN207427652U (zh) * 2017-10-24 2018-05-29 广东欧珀移动通信有限公司 防水组件以及移动终端
US20190289108A1 (en) * 2018-03-19 2019-09-19 Lg Electronics Inc. Key module and mobile terminal having same, and method of assembling key module
CN208637350U (zh) * 2018-07-26 2019-03-22 上海与德通讯技术有限公司 侧键结构和移动终端
WO2021033862A1 (fr) * 2019-08-19 2021-02-25 삼성전자 주식회사 Dispositif électronique comprenant un élément conducteur
CN216291073U (zh) * 2021-11-11 2022-04-12 中兴通讯股份有限公司 具有防水指纹侧键的移动终端

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