CN102111463A

CN102111463A - Wireless communication device

Info

Publication number: CN102111463A
Application number: CN200910312296XA
Authority: CN
Inventors: 马景宏; 刘己圣
Original assignee: Shenzhen Futaihong Precision Industry Co Ltd; Foxconn Technology Co Ltd
Current assignee: Shenzhen Futaihong Precision Industry Co Ltd
Priority date: 2009-12-25
Filing date: 2009-12-25
Publication date: 2011-06-29
Anticipated expiration: 2029-12-25
Also published as: CN102111463B

Abstract

The invention provides a wireless communication device comprising a body, a cover body, an adsorption piece, an antenna and an elastic piece, wherein the cover body is connected to the body and is provided with a signal feeding point; the elastic piece is electrically connected with the signal feeding point; the adsorption piece is arranged in the body; the antenna and the elastic piece are arranged in the cover body; the antenna comprises a first antenna part and a second antenna part, wherein the first antenna part is propped against the elastic piece when the cover body is opened relatively to the body, so that the first antenna obtains the feeding signal and is used for receiving and transmitting a wireless signal; and when the cover body is closed relatively to the body, the adsorption piece adsorbs the elastic piece, the second antenna part is supported by the elastic piece, and the second antenna obtains the feeding signal and is used for receiving and transmitting a wireless signal. According to the wireless communication device, the phenomenon that the signal is unstably received because of frequency drift is avoided.

Description

Radio communication device

Technical field

The present invention relates to a kind of radio communication device, the radio communication device of particularly a kind of flip-shell or sliding cover type.

Background technology

Along with the development of wireless communication system, it is universal day by day that flip-shell or sliding cover type mobile phone have become, and simultaneously owing to have changeability on this type of mobile phone form, the design of antenna also proposed new challenge.When the flip phone lid changes with respect to the position of body, change has all taken place in the oneself state of a plurality of intrawares and relative position, performance and matching properties that may its antenna cause remarkable influence, make the antenna parameter change, thereby influence antenna performance.For example, when lid is opened, may cause the phenomenon of frequency drift, and then cause mobile phone received signal instability.

The existing way of improving frequency drift generally is two load points of design on antenna, and by the load point that circuit comes switched antenna is set on circuit board, make mobile phone when lid is opened or cover, all can obtain suitable load point and its frequency all is in a certain stability range.So, this kind way need increase more circuit unit, is unfavorable for the miniaturization of radio communication device and saves manufacturing cost.

Summary of the invention

In view of this, be necessary to provide a kind of radio communication device that can reduce cost and can stablize receiving and transmitting signal.

A kind of radio communication device, it comprises that a body, is connected in lid, an adsorption piece, an antenna and the elastic component on the body, be provided with a signal feed-in point in this lid, described elastic component and signal feed-in point electrically connect, described adsorption piece is installed in the body, described antenna and elastic component are arranged in the lid, described antenna comprises one first antenna part and one second antenna part, when the relative body of described lid is opened, this elastic component supports first antenna part, makes this first antenna part acquisition FD feed and is used for the transmitting/receiving wireless signal; When the relative body of described lid is closed, this adsorption piece absorption elastic component, this elastic component supports second antenna part, makes this second antenna part acquisition FD feed and is used for the transmitting/receiving wireless signal.

Compared to prior art, this radio communication device utilizes adsorption piece absorption elastic component, make elastic component can be held in first antenna part of antenna and second antenna part and can be respectively in switching between the two, take this when lid is opened or be closed, all obtain suitable load point, thereby obtain a preferable frequency range of receiving, can avoid the caused signal of frequency drift to receive unsettled phenomenon effectively.In addition, the present invention is simple in structure and can whole be placed in the existing housing construction of radio communication device, does not need to increase more circuit unit, and is with low cost and help the miniaturization of radio communication device.

Description of drawings

Fig. 1 is the schematic perspective view of the better embodiment of radio communication device of the present invention, and wherein lid is in open mode;

Fig. 2 is the decomposing schematic representation of radio communication device shown in Figure 1;

Fig. 3 is the part decomposing schematic representation of radio communication device shown in Figure 1;

Fig. 4 is the part decomposing schematic representation of radio communication device other direction shown in Figure 1;

Fig. 5 is the part assembling schematic diagram of radio communication device shown in Figure 1;

Fig. 6 is the schematic perspective view of radio communication device shown in Figure 1, and wherein lid is in closure state.

The main element symbol description

Embodiment

See also Fig. 1, better embodiment of the present invention provides a kind of radio communication device 100, in the present embodiment, this radio communication device 100 is a flip phone, and it comprises a body 10, a lid 15, an adsorption piece 20, a carrier 30 as one kind, an antenna 40 and an elastic component 50.This lid 15 is connected on the body 10 rotationally by existing modes such as hinges, and described adsorption piece 20 is installed in the body 10, and described carrier 30 as one kind, antenna 40, elastic component 50 all are installed in lid 15 inside, and antenna 40 and elastic component 50 are arranged on the carrier 30 as one kind.The installation position of elastic component 50 is corresponding with the position of adsorption piece 20, and when radio communication device 100 was in closure state, lid 15 was stacked on the body 10 abreast, and this moment, elastic component 50 roughly overlapped with the position of adsorption piece 20.

See also Fig. 2, offer a storage tank 12 on the body 10, in order to installing adsorption piece 20.In the present embodiment, this adsorption piece 20 is a magnet, and it is in order to the absorption metalwork.

Carrier 30 as one kind can be a flexible PCB, and (Flexible Printed Circuit Board FPCB), is provided with a load point 32 and an earth point (figure does not show) according to prior art on it, provides signal feed-in and ground connection to be respectively described antenna 40.

Please in conjunction with consulting Fig. 3 and Fig. 4, this antenna 40 adopts electric conducting material to make, and it comprises one first antenna part 42 and one second antenna part 44 that is arranged at the carrier 30 as one kind both sides.This first antenna part 42 comprises one first Department of Radiation 420 and one first grounding parts 422.This first Department of Radiation 420 comprises one first main part 424, one first connecting portion 426 and one first extension 428.First main part 424 roughly is a rectangle lamellar body shape, this first extension 428 is a long and narrow rectangle lamellar body, it is parallel to 424 settings of first main part, and this first connecting portion 426 is a rectangle lamellar body, and its two ends vertically are connected in respectively on first main part 424 and first extension 428.This first grounding parts 422 is extended by a side of first main part 424, electrically connects with the earth point with carrier 30 as one kind.This second antenna part 44 comprises one second Department of Radiation 440 and one second grounding parts 442.This second Department of Radiation 440 comprises one second main part 444, one second connecting portion 446 and one second extension 448.Second main part 444 is shape and the size lamellar body suitable with first main part 424, the lamellar body of this second connecting portion 446 for being bent into " L " shape, and its two ends are connected to second main part 444 and second extension 448.Second extension 448 is parallel with second main part 444, and along extending to form a narrow and long rectangular lamellar body that is shorter in length than first extension 428 with the equidirectional of first extension, 428 bearing of trends.This second grounding parts 442 is the rectangle lamellar body of bending, and the one end vertically is connected in the end of second main part 444 away from second connecting portion 446, and the earth point of the other end and carrier 30 as one kind electrically connects.

Elastic component 50 is the frivolous metal lamellar body of a rubber-like, and it is arranged between first antenna part 42 and second antenna part 44.When lid 15 was not covered on the body 10, this elastic component 50 relied on the elastic potential energy of self accumulating to be held on first main part 424 of first antenna part 42.When lid 15 was covered on the body 10, this elastic component 50 can be subjected to the absorption of adsorption piece 20, thereby was held on second main part 444 of second antenna part 44.In the present embodiment, this elastic component 50 roughly is " Z " shape, and it can form a Fixed Division 52, one first contact part 54, a transition part 56 and one second contact part 58 that links to each other successively in the fabrication stage by a straight metallic lamellar body through modes such as bendings.This Fixed Division 52 is affixed with the load point 32 of carrier 30 as one kind, with this electrically conduct antenna 40 and load point 32.First contact part 54 is near first main part 424 of first antenna part 42, be used for when lid 15 separates with body 10, supporting first main part 424, the length of transition part 56 slightly is shorter than the distance between first main part 424 and second main part 444, second contact part 58 and first contact part, 54 almost parallels, it is used for supporting second main part 444 near second main part 444 of second antenna part 44 when lid 15 is covered on the body 10.

See also Fig. 5 and Fig. 6, when assembling this radio communication device 100, at first adsorption piece 20 is installed in the storage tank 12 of body 10.Secondly first grounding parts 422 of first antenna part 42 and second grounding parts 442 of second antenna part 44 are electrically connected on the earth point of carrier 30 as one kind simultaneously, and make first antenna part 42 be arranged at the relative both sides of carrier 30 as one kind respectively with second antenna part 44.Fixed Division 52 with elastic component 50 is fixed on the load point 32 of carrier 30 as one kind once more, and elastic component 50 is placed between first antenna part 42 and second antenna part 44.At last carrier 30 as one kind, antenna 40 and elastic component 50 are placed in lid 15 inside in the lump, and antenna 40 and elastic component 50 relative adsorption pieces 20 are provided with, like this then finish the assembling of whole radio communication device 100.

When using this radio communication device 100, when opening lid 15, first contact part 54 of elastic component 50 will be held in first main part 424 of first antenna part 42, this moment first, antenna part 42 was by the Fixed Division 52 of elastic component 50 and load point 32 electric connections of carrier 30 as one kind, so that 52 to first grounding parts 422 form one first current path from the Fixed Division, and then make antenna 40 obtain first matching status of a receiving and transmitting signal.When lid 15 is covered on the body 10, adsorption piece 20 will adsorb second contact part 58 of elastic component 50, make elastic component 50 move towards the direction of second antenna part 44, and then first contact part 54 that makes elastic component 50 breaks away from first main part 424 of first antenna part 42, second contact part 58 with elastic component 50 is held on second main part 444 of second antenna part 44 simultaneously, second antenna part 44 like this will be by the Fixed Division 52 of elastic component 50 and load point 32 electric connections of carrier 30 as one kind, because the length that is shorter in length than first extension 428 of second extension 448, this moment, 442 formation one of 52 to second grounding parts were shorter than second current path of first current path from the Fixed Division, and then made antenna 40 obtain second matching status of a receiving and transmitting signal.

Be appreciated that, the Fixed Division 52 of elastic component 50 of the present invention is not limited to be fixed on the load point 32 of carrier 30 as one kind, also can be affixed with earth point, accordingly, first grounding parts 422 of first antenna part 42 and second grounding parts 442 of second antenna part 44 can be connected on the load point 32, utilize this moment adsorption piece 20 absorption elastic components 50 to switch between first antenna part 42 and second antenna part 44, promptly change the signal ground path of antenna 40.

Be appreciated that first antenna part 42 of the present invention and one second antenna part 44 are not limited to the described structure of embodiment, in the actual design fabrication stage, can design difform antenna structure according to real needs.

The present invention switches between first antenna part 42 and second antenna part 44 by adsorption piece 20 absorption elastic components 50, make lid 15 when opening or opening, described radio communication device 100 all obtains the appropriate signal load point and is in a preferable frequency range of receiving, has avoided the caused signal of frequency drift to receive unsettled phenomenon effectively.

Claims

1. radio communication device, it comprises that a body and is connected in the lid on the body, be provided with a signal feed-in point in this lid, it is characterized in that: described radio communication device also comprises an adsorption piece, one antenna and one and the elastic component that electrically connects of described signal feed-in point, described adsorption piece is installed in the body, described antenna and elastic component are arranged in the lid, described antenna comprises one first antenna part and one second antenna part, when the relative body of described lid is opened, this elastic component supports first antenna part, makes this first antenna part acquisition FD feed and is used for the transmitting/receiving wireless signal; When the relative body of described lid is closed, this adsorption piece absorption elastic component, this elastic component supports second antenna part, makes this second antenna part acquisition FD feed and is used for the transmitting/receiving wireless signal.

2. radio communication device as claimed in claim 1 is characterized in that: described elastic component is arranged between first antenna part and second antenna part.

3. radio communication device as claimed in claim 1, it is characterized in that: described elastic component comprises one first contact part and one second contact part, when the relative body of described lid is opened, described first contact part is held in first antenna part, when the relative body of described lid was closed, described second contact part was held in second antenna part.

4. radio communication device as claimed in claim 3, it is characterized in that: described first antenna part comprises one first main part, described second antenna part comprises one second main part, described elastic component comprises a transition part, described transition part is connected between first contact part and second contact part, this transition part be shorter in length than distance between first main part and second main part.

5. radio communication device as claimed in claim 3, it is characterized in that: described radio communication device also comprises a carrier, described signal feed-in point is arranged on the described carrier, and described elastic component comprises a Fixed Division, and the two ends of described Fixed Division are connected to described first contact part and load point.

6. radio communication device as claimed in claim 5, it is characterized in that: described first antenna part comprises one first grounding parts, described second antenna part comprises one second grounding parts, and described carrier comprises an earth point, and described first grounding parts and second grounding parts all electrically connect with earth point.

7. radio communication device as claimed in claim 1 is characterized in that: described first antenna part comprises one first extension, and described second antenna part comprises one second extension, described second extension be shorter in length than first extension.

8. radio communication device as claimed in claim 1 is characterized in that: described elastic component is a rubber-like metal lamellar body.

9. radio communication device as claimed in claim 1 is characterized in that: described adsorption piece is a magnet.

10. radio communication device as claimed in claim 5 is characterized in that: described carrier is a flexible PCB.