WO2022041405A1

WO2022041405A1 - Handheld terminal

Info

Publication number: WO2022041405A1
Application number: PCT/CN2020/120241
Authority: WO
Inventors: 申世安; 王冬生; 韩子骞
Original assignee: 无锡盈达聚力科技有限公司
Priority date: 2020-08-31
Filing date: 2020-10-10
Publication date: 2022-03-03
Also published as: CN112259982B; CN112259982A

Abstract

The present application provides a handheld terminal, comprising a housing. One side of the housing is provided with a port, a connector is accommodated in the housing and exposed out of the port, and the connector comprises at least one pair of terminals; a port plug is mounted in the housing and accommodated in the port, the port plug comprises a cover plate and at least one pair of contacts embedded into and penetrating through the cover plate, the cover plate covers the port and can be opened from the port, and the pair of contacts are electrically connected to the pair of terminals in a conducting manner.

Description

Handheld Terminal

technical field

The present application relates to a handheld terminal.

Background technique:

The miniaturization of the mobile terminal makes the clearance area of the internal antenna of the mobile terminal smaller and smaller.

An existing mobile terminal includes a casing and a USB interface and contacts arranged on the side of the casing. The USB interface is used to insert a USB data cable for data transmission or charging, and the contacts are used to guide the connection with the cradle charger or the card clip. , and then charge or transmit signals to the mobile terminal. Because contacts are more convenient and durable than USB interfaces, contacts are widely used in mobile terminals, especially in industrial-grade mobile terminals, where both USB interfaces and contacts are usually provided.

However, the metal USB interface and contacts will absorb or shield electromagnetic waves, affecting the clearance of nearby antennas, which not only complicates the design of the antenna, but in order to ensure that the antenna has good signal strength, the power of the antenna must be increased. Power consumption; what's more, with the promotion and popularization of 5G, the number of antennas in 5G mobile terminals is more, and more clearance areas are required in the mobile terminal to set up antennas.

In view of the above problems, the present application provides a new handheld terminal, and adopts new methods and technical means to solve these problems.

SUMMARY OF THE INVENTION

In view of the problems faced in the background art, the purpose of the creation of the present application is to provide a hand-held terminal with a pair of contacts on the hole plug.

To achieve the above object, the application adopts the following technical means:

The present application provides a handheld terminal, characterized in that it includes:

a casing, one side of the casing is provided with an opening, a connector is accommodated in the casing and exposed from the opening, and the connector includes at least a pair of terminals;

A hole plug is mounted on the housing and accommodated in the opening, the hole plug includes a cover plate and at least a pair of contacts embedded in and penetrating the cover plate, the cover plate covers the opening and can be opened from the opening, and the pair of contacts are electrically connected to the pair of terminals.

Optionally, the opening is provided on the bottom side of the casing, and a positioning hole is provided beside the opening for receiving a positioning portion of the hole plug.

Optionally, an antenna module is provided in the housing and located in a clearance area beside the connector.

Optionally, the antenna module is bent and extended parallel to the back of the casing to the bottom side of the casing.

Optionally, the antenna module is a bracket antenna or an FPC antenna or an LDS antenna.

Optionally, the antenna module is the main antenna of the handheld terminal.

Optionally, the pair of terminals includes a positive power terminal and a negative power terminal or a signal terminal and a ground terminal or a pair of differential signal terminals.

Optionally, a magnet is embedded in the cover plate for connecting with the magnetic suction head.

Optionally, the handheld terminal is connected to the charging base through the first contact and the second contact.

Optionally, the connector is a USB connector or an audio connector or a memory card connector.

Compared with the prior art, the present application has the following beneficial effects:

The pair of contacts on the hole plug is electrically connected to the pair of terminals on the connector, so that the handheld terminal can directly charge or transmit data through the pair of contacts, either The service life of the connector is improved, and at the same time, it is more convenient. For example, the handheld terminal can be charged directly by placing it on the charging stand, which saves the need to plug in the data cable. Compared with the prior art, the contacts are arranged on the connector. In the solution on both sides, after the contacts are arranged on the hole plugs, the space occupied is small, the clearance area around the connector is increased, the design of the antenna is facilitated, and the efficiency of the antenna is improved. Furthermore, the said The hole plug can be standardized to fit different types of handheld terminals with the same type of connector, without considering the problem that there is no space on the handheld terminal to set contacts.

Description of drawings

Fig. 1 is the schematic diagram that the back shell of the hand-held terminal of the present application faces upward;

Fig. 2 is the partial exploded schematic diagram of Fig. 1;

Fig. 3 is the schematic diagram that the antenna module and the hole plug are installed in Fig. 2;

Fig. 4 is the enlarged schematic diagram of the hole plug in Fig. 2;

5 is an enlarged schematic view of the connector in FIG. 2;

FIG. 6 is a schematic diagram of the definition of the PIN of the connector of FIG. 5 , and the figure shows that a pair of terminals electrically conducts a pair of contacts;

FIG. 7 is a schematic diagram of the handheld terminal of the present application being placed in front of a charging base;

FIG. 8 is a schematic diagram of the handheld terminal of the present application being placed on a charging stand for charging.

Description of the reference numerals for the specific embodiments:

手持终端100 Handheld terminal 100	壳体1shell 1	前壳11 front shell 11	后壳12 back shell 12	开孔13 Opening 13	定位孔14 Positioning hole 14
孔塞2 hole plug 2	盖板21 Cover 21	定位部22Positioning part 22	第一触头23 first contact 23	第二触头24 second contact 24	磁铁25 Magnet 25

connector 3

A pair of terminals 31

Charging stand 4

Charging terminal 41

Antenna Module 5

detailed description

In order to facilitate a better understanding of the purpose, structure, features and effects of the present application, the present application will now be further described with reference to the accompanying drawings and specific embodiments.

The present application provides a handheld terminal 100 and a hole plug 2, and the handheld terminal 100 may be a personal digital assistant (PDA), a mobile phone, a tablet computer, a walkie-talkie or the like.

In an embodiment of the present application, as shown in FIG. 1 and FIG. 2 , the handheld terminal 100 includes a casing 1 , and the casing 1 is two-piece, including an opposite front casing 11 and a rear casing 12 . The case 12 can be removed from the front case 11 , the bottom side of the front case 11 is provided with an opening 13 and a positioning hole 14 beside the opening 13 , and the opening 13 is approximately located in the front The center of the bottom side of the case 11 .

Referring to FIGS. 2 , 3 and 4 , a hole plug 2 is installed in the positioning hole 14 , and the hole plug 2 includes a cover plate 21 , a positioning portion 22 extending from the cover plate 21 and a hole extending through the cover plate 21 . A pair of contacts of the cover plate 21, a pair of the contacts includes a first contact 23 and a second contact 24, the hole plug 2 is positioned in the positioning hole 14 through the positioning portion 22 , the cover plate 21 is used to cover the opening 13 to prevent water droplets or sundries from entering the interior of the casing 1 through the opening 13 , and the cover plate 21 can be opened from the opening 13 . The cover plate 21 is made of elastic material such as rubber, so that the cover plate 21 can seal the opening 13, and the hole plug 2 is formed by injection molding to connect the first contact 23 and the second contact. The head 24 is embedded in the cover plate 21 to prevent gaps between the first contacts 23 and the second contacts 24 and the cover plate 21 .

In this embodiment, as shown in FIG. 4 , a magnet 25 is also embedded in the cover plate 21 of the hole plug 2 for connecting with a magnetic suction head (not shown, the same below). The suction head is in conductive contact with the first contact 23 and the second contact 24 .

As shown in FIG. 2 , a connector 3 is accommodated in the housing 1 and exposed through the opening 13 . The connector 3 includes at least a pair of terminals 31 . In this embodiment, the connector 3 is a USB connection. The connector 3, specifically USB Type-C, as shown in FIG. 5 is an enlarged view of the connector 3 in this embodiment, the pair of terminals 31 can be a positive power terminal and a negative power terminal or a signal terminal and a ground terminal or a pair of differential signal terminals.

When the cover plate 21 covers the opening 13 , the first contact 23 and the second contact 24 are respectively electrically connected to one of the pair of terminals 31 , preferably The first contact 23 is electrically connected to the positive power terminal, and the second contact 24 is electrically connected to the negative power terminal (usually, a ground terminal is used as the negative power terminal).

FIG. 6 shows the PIN definition of the connector 3 in this embodiment, and shows that when the pair of terminals 31 is a positive power supply terminal and a negative power supply terminal (the ground terminal serves as a negative power supply terminal), the first The contact 23 contacts the positive power terminal, and the second contact 24 electrically contacts the negative power terminal.

As shown in FIG. 7 and FIG. 8 , when the handheld terminal 100 is placed on the matching charging base 4 , the first contacts 23 and the second contacts 24 are charged with the charging base 4 . The terminals 41 are connected so as to charge the handheld terminal 100 . When the hole plug 2 is opened, the data cable can be inserted into the connector 3 for charging or data transmission.

In other embodiments (not shown, the same below), the first contact 23 and the second contact 24 may also contact the signal terminal and the ground terminal in the connector 3 respectively, then the handheld terminal 100 can transmit data through the first contact 23 and the second contact 24 .

In other embodiments (not shown, the same below), the first contact 23 and the second contact 24 may also respectively contact a pair of differential signal terminals in the connector 3, then the handheld terminal 100 can transmit differential signals through the first contacts 23 and the second contacts 24 .

When the connector 3 is USB Type-C, its PIN pins are symmetrical in the center, and the power supply PIN is symmetrical up and down. In some embodiments (not shown, the same below), the hole plug 2 can be The first contacts 23 simultaneously contact a pair of upper and lower opposite positive power terminals, and the second contacts 24 simultaneously contact a pair of negative power terminals (ground terminals) to increase the size of the first contacts 23 and the The charging power of the second contact 24 . Even a plurality of the first contacts 23 and a plurality of the second contacts 24 may be provided on the hole plug 2 , and the plurality of the first contacts 23 respectively contact the plurality of positive power sources of the connector 3 . terminals, a plurality of the second contacts 24 respectively contact a plurality of negative power terminals of the connector 3, thereby increasing the charging power; or a plurality of the first contacts 23 respectively contact a plurality of the connector 3 Signal terminals, a plurality of the second contacts 24 .

For the same type of connector 3, its PIN pin definition is the same, the first contact 23 and the second contact 24 of the hole plug 2 always contact the same type of the connector 3 The upper PIN pins define the same pair of terminals 31, so that the hole plug 2 can be standardized design, even if the handheld terminals 100 of different models, as long as the connector 3 is of the same type, the opening of the connector 3 can be accommodated. The holes 13 can also be set the same, and the same hole plugs 2 can be applied to simplify the design.

Because in the existing design, the first contact 23 and the second contact 24 are arranged on both sides of the connector 3, occupying the space on both sides of the connector 3, and the opposite In this application, the first contact 23 and the second contact 24 are integrated on the hole plug 2, so that a communication around the connector 3 is formed. A clear area or a plurality of independent clear areas are used to set the antenna module 5, and the range of the clear areas can be determined by equipment (not shown, the same below). Specifically, in this embodiment, an area close to the inner side of the rear shell 12 and located directly above the connector 3 is far from the connector 3 to form a clearance area, and the connector Two clearance areas are also formed at a certain distance from the left and right sides of 3, and the three clearance areas are bent and extended to form one piece. The antenna module 5 is an FPC antenna, which can be designed according to the shape of the clearance area. The antenna module 5 is bent parallel to the rear shell 12 and extends to the bottom side of the front shell 11, and rides on the bottom side of the front shell 11. The connector 3 basically occupies all the clearance area around the connector 3 . The antenna module 5 is the main antenna for 2G, 3G, 4G or 5G communication. The handheld terminal 100 further includes a diversity antenna (not shown, the same below) or an NFC antenna (not shown, the same below) or Wifi antenna (not shown, the same below), etc.

In some embodiments (not shown, the same below), the antenna module 5 can be a bracket antenna or an LDS antenna. When the antenna module 5 is an LDS antenna, the antenna module 5 can be directly formed on the antenna. On the casing 1, if the antenna module 5 is plated on the rear casing 12, the clearance area can be more fully utilized.

In some embodiments (not shown, the same below), the connector 3 may be an audio connector 3 or a memory card connector 3, etc., and the shape and position of the contacts on the hole plug 2 only need to correspond to different connectors. By adjusting the terminals on 3, the contacts can be connected to the terminals.

In some embodiments (not shown, the same below), the two-piece housing 1 in the foregoing embodiments can be integrally formed to form a one-piece housing 1. In this way, when the antenna module 5 is an LDS antenna, The one-piece housing 1 has more locations for arranging the antenna module 5 , and even the antenna module 5 can be bent along the housing 1 to make full use of the clearance around the connector 3 area to improve the efficiency of the antenna.

In some embodiments (not shown, the same below), the opening 13 and the connector 3 can be provided at other positions of the housing 1 . The hole plugs 2 are also correspondingly arranged on the sides of the housing 1 .

The handheld terminal of the present application has the following beneficial effects:

The pair of contacts on the hole plug 2 are electrically connected to the pair of terminals 31 on the connector 3 , so that the handheld terminal 100 can be charged or transmitted directly through the pair of contacts Data can not only improve the life of the connector 3, but also be more convenient, for example, the handheld terminal 100 can be charged directly by placing it on the charging base 4, which saves plugging the data cable; compared with the prior art, In the scheme of disposing the contacts on both sides of the connector 3, after the contacts are disposed on the hole plug 2 in the present application, the space occupied is small, the clearance area around the connector 3 is increased, and the design of the antenna is convenient. In addition, the antenna efficiency is improved. Furthermore, the hole plug 2 can be standardized to fit different types of handheld terminals 100 with the same type of connector 3 without considering the problem that there is no space on the handheld terminal 100 to set contacts.

The above detailed description is only the description of the preferred embodiment of the present application, and is not intended to limit the scope of the patent of the present application. Therefore, any equivalent technical changes made by using the contents of the description and the illustrations in this creation are included in the patent of this creation. within the range.

Claims

A handheld terminal, comprising:

a casing, one side of the casing is provided with an opening, a connector is accommodated in the casing and exposed from the opening, and the connector includes at least a pair of terminals;

A hole plug is mounted on the housing and accommodated in the opening, the hole plug includes a cover plate and at least a pair of contacts embedded in and penetrating the cover plate, the cover plate covers the opening and can be opened from the opening, and the pair of contacts are electrically connected to the pair of terminals.
The handheld terminal of claim 1, wherein the opening is provided on the bottom side of the casing, and a positioning hole is provided beside the opening for receiving a positioning portion of the hole plug.
The handheld terminal of claim 1, wherein an antenna module is disposed in the housing and located in a clear area beside the connector.
The handheld terminal according to claim 3, wherein the antenna module is bent parallel to the back side of the casing and extends to the bottom side of the casing.
The handheld terminal according to claim 3, wherein the antenna module is a stand antenna or an FPC antenna or an LDS antenna.
The handheld terminal of claim 3, wherein the antenna module is a main antenna of the handheld terminal.
The handheld terminal of claim 1, wherein the pair of terminals comprises a positive power terminal and a negative power terminal or a signal terminal and a ground terminal or a pair of differential signal terminals.
1. The handheld terminal of claim 1, wherein a magnet is embedded in the cover plate for connecting with the magnetic suction head.
The handheld terminal according to claim 1, wherein the handheld terminal is connected to the charging base through the first contact and the second contact.
The handheld terminal of claim 1, wherein the connector is a USB connector or an audio connector or a memory card connector.