CN218385758U

CN218385758U - Mobile device

Info

Publication number: CN218385758U
Application number: CN202222162706.0U
Authority: CN
Inventors: 李萌
Original assignee: Xi'an Zhongnuo Communication Co ltd
Current assignee: Xi'an Zhongnuo Communication Co ltd
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2023-01-24
Anticipated expiration: 2032-08-16

Abstract

The utility model provides a mobile device, which comprises a containing shell, a main board, a receiving antenna part and a vibration motor component; the containing shell is of a hollow structure, and the main board, the receiving antenna part and the vibration motor assembly are all arranged in the containing shell; the main board is provided with a radio frequency signal processing module, and the receiving antenna part is electrically connected with the radio frequency signal processing module; the vibration motor assembly comprises a metal shell and a feed circuit; the feed circuit is respectively and electrically connected with the metal shell and the radio frequency signal processing module. The utility model discloses utilize the supplementary main received signal portion received signal of metal casing, reduced the antenna quantity of required overall arrangement in the mobile device, antenna layout is more reasonable.

Description

Mobile device

Technical Field

The utility model belongs to a mobile device technical field, concretely relates to mobile device.

Background

With the rapid progress and development of the fifth generation mobile communication technology (5G), the intelligent electronic device is also equipped with a 5G antenna. At present, 5G antennas are designed in a variety of ways, and a Multiple Input Multiple Output (MIMO) antenna system is basically standard configuration of 5G intelligent equipment. Except that the 5G intelligent equipment needs to be provided with MIMO for supporting 5G communication, other requirements such as wifi, NFC and GPS are also needed to be met, and each requirement basically requires at least 4 antennas, so that more than 12 antennas are needed in one 5G intelligent electronic equipment to simultaneously support functions such as 5G communication, wifi connection, GPS positioning and NFC connection. As the size design of the mobile phone tends to be lighter and smaller, the space available for mounting the antenna in the 5G intelligent electronic device is reduced, the gap between the antennas is small, and the antennas are easy to interfere with each other, so that the working efficiency of the antennas is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome shortcoming and not enough among the prior art, provide a mobile device is with supplementary receiving antenna, its structure that utilizes metal casing as supplementary receipt on guaranteeing mobile device's communication function basis, reduces mobile device's antenna quantity, reduces the too much interference that causes of antenna quantity to optimize antenna layout.

The utility model discloses a realize through following technical scheme:

a mobile device comprises a containing shell, a main board, a receiving antenna part and a vibration motor component; the containing shell is of a hollow structure, and the main board, the receiving antenna part and the vibration motor assembly are all arranged in the containing shell; the main board is provided with a radio frequency signal processing module, and the receiving antenna part is electrically connected with the radio frequency signal processing module; the vibration motor assembly comprises a metal shell and a feed circuit; the feed circuit is respectively and electrically connected with the metal shell and the radio frequency signal processing module.

The utility model provides a mobile device, set up on the basis that receiving antenna portion is used for the received signal as main irradiator, utilize the design of the current metal casing of mobile device, with metal casing and feed circuit, the complete return circuit of formation is connected to radio frequency signal processing module electricity, make this metal casing can regard as the supplementary received antenna portion received signal of extra irradiator, on the basis that does not influence the communication function design of mobile device, the antenna quantity of required overall arrangement in the mobile device has been reduced, not only reduce the interference between the device in many antennas and the mobile device, antenna layout in the mobile device is more reasonable, still help realizing that the mobile device is lightweight, the design of small-size ization.

Further, the accommodating shell comprises a front cover, a rear cover and a metal middle frame; the front cover and the rear cover are respectively fixed on two sides of the metal middle frame, and the front cover, the metal middle frame and the rear cover enclose to form an accommodating space. The metal middle frame is used for enhancing the mechanical strength of the containing shell and has a good heat dissipation effect.

Further, the vibration motor is further provided with an insulating sleeve, and the insulating sleeve is covered outside the metal shell. The insulating sleeve is used for avoiding the interference of the metal middle frame on the signal receiving of the metal shell.

Further, the housing case further comprises a fixing metal plate; the fixed metal plate is fixed in the accommodating space; the main board is arranged on the fixed metal plate; the bottom end of the insulating sleeve is fixed on the fixed metal plate, and an opening is formed in one end, far away from the fixed metal plate, of the insulating sleeve; the metal shell is fixed in the insulating sleeve. In this embodiment, the fixing metal plate is used to fix the main board in the accommodating case, and can carry other components of the mobile device, so as to enhance the connection strength; the insulating sleeve wraps the metal shell, and interference caused by the fixed metal plate and the metal middle frame to signal receiving of the metal shell is avoided.

Furthermore, the insulating sleeve is a plastic part. According to the specific implementation mode, the plastic part is selected as the insulating sleeve, and the material which is convenient to install and has deformability is selected on the basis of having insulating property, so that the installation environment in the mobile equipment can be flexibly adapted.

Furthermore, the vibration motor assembly also comprises a metal elastic sheet; and two ends of the metal elastic sheet are respectively and fixedly connected with the metal shell and the feed circuit. In this embodiment, the metal elastic sheet is used to electrically connect the metal housing and the feeding circuit to form a complete loop.

Further, the receiving antenna part comprises a plurality of main receiving modules; the plurality of main receiving modules are electrically connected with the radio frequency signal processing module; the rear cover is an insulating part, and at least one main receiving module is fixed on the rear cover. A plurality of main receiving module is used for receiving signal in order to support functions such as 5G communication, wifi connection, GPS location, NFC connection of mobile device, set up in back is covered, reduces the device on the mainboard to main receiving module's interference.

Further, the mobile device further comprises a display screen; the display screen is fixed on the outer side surface of the containing shell, and the display screen is electrically connected with the main board. The display screen is used for displaying a use interface.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a mobile device of embodiment 1.

Fig. 2 is an exploded view of the mobile device of embodiment 1.

Fig. 3 is a schematic view of the mounting of the vibration motor assembly of embodiment 1.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5 is a schematic structural view of the fixed metal plate of embodiment 1.

Fig. 6 is a partially enlarged view of fig. 5.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of and not restrictive on the broad embodiments of the invention. It should be further noted that, for convenience of description, only some structures, but not all structures, related to the embodiments of the present invention are shown in the drawings.

Furthermore, the terms first, second, third and the like in the description and in the claims, are used for descriptive purposes only to distinguish one element from another, and are not to be construed as indicating or implying relative importance or implying any order or order to the indicated elements. The terms are interchangeable where appropriate. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Similarly, the terms "fixed" and "connected," as used in the description and claims, are not to be construed as limited to direct connection. Thus, the expression "device a is connected to device B" should not be limited to devices or systems in which device a is directly connected to device B, meaning that there is a path between device a and device B, which may be a path including other devices or tools.

Example 1

The embodiment 1 provides a mobile device, fig. 1 is a schematic structural diagram of the mobile device, fig. 2 is an exploded view of the mobile device, fig. 3 is a schematic installation diagram of a vibrating motor assembly, fig. 4 is a partial enlarged view of fig. 3, and as shown in fig. 1 to fig. 4, the mobile device includes a housing case 1, a main board, a receiving antenna portion, and a vibrating motor assembly 2;

the containing shell 1 is of a hollow structure, and the main board, the receiving antenna part and the vibration motor assembly 2 are all arranged in the containing shell 1; the main board is provided with a radio frequency signal processing module, and the receiving antenna part is electrically connected with the radio frequency signal processing module;

the vibration motor assembly 2 includes a metal housing 22 and a feed circuit 23; the feed circuit 23 is electrically connected with the metal shell 22 and the radio frequency signal processing module respectively.

This embodiment 1 provides a mobile device, on the basis that the receiving antenna portion is set as the main radiator and used for receiving signals, utilize the design of the existing metal casing 22 of the mobile device, connect the metal casing 22 with the feed circuit 23, the radio frequency signal processing module is electrically connected and forms the complete loop, make this metal casing 22 can be as the supplementary receiving antenna portion received signals of extra radiator, on the basis that does not influence the communication function design of mobile device, the number of antennas that need the overall arrangement in the mobile device has been reduced, not only reduce the interference between many antennas and the device in the mobile device, the antenna overall arrangement in the mobile device is more reasonable, still help realizing the design of light weight, small-size of mobile device.

It can be understood that the mobile device described in this embodiment 1 may be a mobile device such as a mobile phone and a tablet, and generally, the vibration motor assembly 2 further includes a vibration motor, the vibration motor is electrically connected to the motherboard, and the motherboard controls the vibration motor to vibrate; the metal shell 22 covers the vibration motor. The vibration motor is used for the vibration function of mobile device, and mainboard control vibration motor vibrations so that whole mobile device vibrations when mobile device's the ringtone is sounded for example, and metal casing 22 plays the protection and shakes the motor and makes it be difficult for by the effect of falling bad, is in simultaneously the utility model discloses in play supplementary receiving antenna portion as the irradiator and realize received signal's effect.

Preferably, the containment case 1 further comprises a front cover, a rear cover 12 and a metal middle frame; the front cover and the back cover 12 are respectively fixed on two sides of the metal middle frame, and the front cover, the metal middle frame and the back cover 12 enclose to form an accommodating space. The metal middle frame is used for enhancing the mechanical strength of the containing shell 1 and playing a good role in heat dissipation.

Preferably, the receiving antenna part comprises a plurality of main receiving modules; the plurality of main receiving modules are electrically connected with the radio frequency signal processing module; the rear cover 12 is an insulating member, and at least one main receiving module is fixed to the rear cover 12. The main receiving modules are used for receiving signals to support functions of 5G communication, wifi connection, GPS positioning, NFC connection and the like of the mobile device, and are arranged on the rear cover 12, so that interference of devices on the main board to the main receiving modules is reduced.

In the prior art, the vibration motor assembly 2 of this embodiment 1 is not provided, so that an additional antenna is required to be provided to meet the requirement of receiving power, the antenna design needs to be rearranged, the available space in the mobile device is narrow, and the antennas interfere with each other. In one embodiment, the plurality of primary antenna receiving modules may be PRX modules, DRX modules, PMIMO modules, DMIMO modules. The working efficiency of the vibration motor component 2 is-10 dB to-12 dB, and the vibration motor component can be used for assisting the DMIMO module to receive, so that the number of antennas which need to be arranged in the mobile equipment is reduced.

In one embodiment, a return circuit can be added to electrically connect with the metal housing 22 according to actual requirements. In particular, the vibrating motor assembly 2 can be designed as a monopole or dipole antenna, if only a single feed is required, i.e. the metal casing 22 has only one interface for connection to the feed circuit 23; if the performance of the monopole antenna can not meet the requirement, the monopole antenna is designed to be a dipole antenna, a return circuit is additionally arranged, and the metal shell 22 is provided with two interfaces which are respectively and electrically connected with the feed circuit 23 and the return circuit.

Preferably, the vibration motor is further provided with an insulating sleeve 24, and the insulating sleeve 24 is covered on the outside of the metal shell 22. The insulating sleeve 24 is used to prevent the metal middle frame from interfering with the signal reception of the metal shell 22.

More preferably, fig. 5 is a schematic structural view of the fixing metal plate, fig. 6 is a partial enlarged view of fig. 5, and the housing case 1 further includes a fixing metal plate 14; the fixed metal plate 14 is fixed in the accommodating space; the main board is arranged on the fixed metal plate 14;

the bottom end of the insulating sleeve 24 is fixed on the fixed metal plate 14, and one end of the insulating sleeve 24, which is far away from the fixed metal plate 14, is provided with an opening; the metal shell 22 is secured within an insulating sleeve 24. In this embodiment, the fixing metal plate 14 is used to fix the main board in the housing case 1, and can carry other devices of the mobile device, so as to enhance the connection strength; the insulating sleeve 24 wraps the metal shell 22 to prevent the fixed metal plate 14 and the metal middle frame from interfering with signal reception of the metal shell 22.

Preferably, the insulating sleeve 24 is a plastic member. In this embodiment, a plastic member is used as the insulating sleeve 24, and a deformable material is selected on the basis of insulating property, so that the installation environment in the mobile device can be flexibly adapted.

Preferably, the vibration motor assembly 2 further comprises a metal elastic sheet; two ends of the metal elastic sheet are respectively and fixedly connected with the metal shell 22 and the feed circuit 23. In this embodiment, the metal elastic sheet is used to electrically connect the metal casing 22 and the feeding circuit 23 to form a complete loop. The metal shell 22 is connected to the feed circuit 22 through a metal spring, and the feed circuit is electrically connected to the rf signal processing module, for example, through a signal line, so that the metal shell can perform an auxiliary receiving function.

Preferably, the mobile device further comprises a display screen; the display screen is fixed on the outer side surface of the containing shell, and the display screen is electrically connected with the main board. The display screen is used for displaying a use interface.

The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.

Claims

1. A mobile device, characterized by:

comprises a containing shell, a main board, a receiving antenna part and a vibration motor component;

the containing shell is of a hollow structure, and the main board, the receiving antenna part and the vibration motor assembly are all arranged in the containing shell; the main board is provided with a radio frequency signal processing module, and the receiving antenna part is electrically connected with the radio frequency signal processing module; the vibration motor assembly comprises a metal shell and a feed circuit; the feed circuit is respectively and electrically connected with the metal shell and the radio frequency signal processing module.

2. The mobile device of claim 1, wherein:

the containing shell comprises a front cover, a rear cover and a metal middle frame; the front cover and the rear cover are respectively fixed on two sides of the metal middle frame, and the front cover, the metal middle frame and the rear cover enclose to form an accommodating space.

3. The mobile device of claim 2, wherein:

the vibration motor is further provided with an insulating sleeve, and the insulating sleeve is covered outside the metal shell.

4. The mobile device of claim 3, wherein:

the containing shell also comprises a fixed metal plate; the fixed metal plate is fixed in the accommodating space; the main board is arranged on the fixed metal plate;

the bottom end of the insulating sleeve is fixed on the fixed metal plate, and an opening is formed in one end, far away from the fixed metal plate, of the insulating sleeve; the metal shell is fixed in the insulating sleeve.

5. The mobile device of claim 4, wherein:

the insulating sleeve is a plastic part.

6. The mobile device of claim 1, wherein:

the vibration motor assembly further comprises a metal elastic sheet; and two ends of the metal elastic sheet are respectively and fixedly connected with the metal shell and the feed circuit.

7. The mobile device of claim 2, wherein:

the receiving antenna part comprises a plurality of main receiving modules; the plurality of main receiving modules are electrically connected with the radio frequency signal processing module; the rear cover is an insulating part, and at least one main receiving module is fixed on the rear cover.

8. The mobile device of claim 1, wherein:

the device also comprises a display screen; the display screen is fixed on the outer side surface of the containing shell, and the display screen is electrically connected with the main board.