WO2018099142A1

WO2018099142A1 - Rotary mobile phone with shielding plate

Info

Publication number: WO2018099142A1
Application number: PCT/CN2017/098312
Authority: WO
Inventors: 胡佳培
Original assignee: 胡佳培
Priority date: 2016-12-03
Filing date: 2017-08-21
Publication date: 2018-06-07
Also published as: CN106487961B; CN106487961A

Abstract

Disclosed by the present invention is a rotaty mobile phone with a shielding plate, comprising an upper casing and a lower casing, wherein the bottom of the upper casing and the top of the lower casing are pivotally connected together; the upper casing and the lower casing are rotationally connected; an antenna cavity is arranged on a side of the upper casing facing the lower casing, and a communication antenna is arranged in the antenna cavity; a mobile phone circuit is provided in the lower casing, the mobile phone circuit comprises a processor and a telephone module connected to the processor through signal, and the communication antenna is connected with the processor through signal; when used, the mobile phone is rotated to make a call, the front of the communication antenna equivalent to communication without shielding, and when not used, that is, rotating the mobile phone back, since the communication antenna is shielded by both the upper casing and the lower casing, electromagnetic radiation can be reduced as much as possible.

Description

Rotary mobile phone with shielding plate

Technical field

[0001] The present invention relates to a rotary handpiece provided with a shield plate.

Background technique

[0002] At present, the problem of radiation from mobile phones is attracting more and more attention. Mobile phones will still generate radiation when they are not used. When placed in a pocket or in the hands, there will be different degrees of electromagnetic radiation, which will affect human health. Therefore, designing a kind of use does not affect Communication signals, but not used when it is possible to reduce the radiation of the phone is particularly important.

technical problem

Problem solution

Technical solution

[0003] It is an object of the present invention to overcome the above-discussed shortcomings and to provide a rotary handpiece provided with a shielding plate.

[0004] In order to achieve the above object, a specific embodiment of the present invention is as follows: A rotary mobile phone provided with a shielding plate includes an upper casing and a lower casing, and a bottom of the upper casing and a top of the lower casing are pivotally connected The upper casing is rotatably connected to the lower casing; the upper casing is provided with an antenna cavity on a side of the lower casing, a communication antenna is disposed in the antenna cavity; and the mobile phone is disposed in the lower casing The circuit, the handset circuit includes a processor and a telephone module coupled to the processor signal, the communication antenna being coupled to the processor signal.

[0005] Preferably, the communication antenna includes a circular dielectric plate, and the dielectric plate is provided with upper and lower symmetrical vibrator units, each vibrator unit includes a rectangular first radiating arm, and the first radiating arm extends upward. a second radiating arm having a trapezoidal shape, the short bottom edge of the second radiating arm being connected to one side of the first radiating arm; the long bottom edge of the second radiating arm extending upwardly from the rectangular third radiating arm, the third radiating arm being free a fourth radiating arm having a rectangular shape extending from the end, wherein a plurality of rectangular fifth radiating arms extend upward from a side of the fourth radiating arm away from the third radiating arm; and a first arc extends from both sides of the first radiating arm An inner arm of the two first curved arms extends inwardly with an inclined arm, and a free end of the inclined arm extends a sixth radiating arm parallel to the fourth radiating arm; the second radiating arm and the third radiating arm a rectangular first hollow slot is provided therein; the first hollow slot is internally filled with a gallium nitride semiconductor; [0006] There are also two feed arms disposed between the two transducer units for respectively feeding the corresponding transducer units.

[0007] Preferably, the two sixth radiating arms each extend upwardly with a rectangular seventh radiating arm.

[0008] Preferably, the number of the fifth radiation arms is ten.

[0009] Preferably, both sides of the third radiation arm are recessed inwardly with a semi-circular recess.

[0010] Preferably, a rectangular first parasitic vibrator arm respectively disposed on two sides of the vibrator unit is further included; and the first parasitic vibrator arm has a plurality of rectangular second parasitic vibrator arms extending in the direction of the vibrator unit.

[0011] Preferably, one end of the upper casing away from the pivoting portion and one end of the lower casing away from the pivoting portion are all circular arcs.

[0012] Preferably, the utility model further includes a waterproof casing for sealing the antenna cavity, further comprising a shielding plate disposed on the bottom surface of the antenna cavity, wherein the shielding plate is a metal circular plate, and the shielding plate is provided with a matrix. Arranged isolation arms. Advantageous effects of the invention

Beneficial effect

[0013] By rotating, when using 吋, rotating the mobile phone to make a call, the front side of the communication antenna is equivalent to unobstructed communication, and when not used, that is, rotating back, the communication antenna is due to the upper casing and the lower casing. The body is blocked together, so electromagnetic radiation can be reduced as much as possible.

Brief description of the drawing

DRAWINGS

1 is a schematic structural view of the present invention;

2 is a side view of the present invention;

3 is a plan view of a communication antenna of the present invention;

Figure 4 is a partial enlarged view of Figure 3;

5 is a reflection coefficient diagram of a communication antenna of the present invention; [0018] FIG.

6 is a radiation pattern of a communication antenna of the present invention in a frequency band of 850 MHz; [0019] FIG.

7 is a radiation pattern of a communication antenna of the present invention in a 900 MHz frequency band; [0020] FIG.

8 is a radiation pattern of a communication antenna of the present invention in a frequency band of 1800 MHz; [0021] FIG.

9 is a radiation pattern of a communication antenna of the present invention in a frequency band of 1900 MHz; [0022] FIG.

10 is a radiation pattern of a communication antenna of the present invention in a frequency band of 2100 MHz; [0023] FIG. [0024] The reference numerals in FIGS. 1 to 10 illustrate:

[0025] 1-upper housing; 2-lower housing; 21-antenna cavity; nl-dielectric plate; n2-first parasitic vibrator arm; n2-second parasitic vibrator arm; n3-feed arm; n41- a radiation arm; _n 42-second radiation arm; n43-third radiation arm; n4 4-fourth radiation arm; n45-fifth radiation arm; n46-sixth radiation arm; _n 47-seventh radiation arm; n5 - first hollow groove; n6 - first curved arm; n7 - inclined arm.

Embodiments of the invention

The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, which are not intended to limit the scope of the invention.

[0027] As shown in FIG. 1 to FIG. 10, a rotary mobile phone provided with a shielding plate according to this embodiment includes an upper casing 1 and a lower casing 2, and the bottom and lower casings of the upper casing 1 The top of the body 2 is pivotally connected together; the upper casing 1 is rotatably connected to the lower casing 2; the antenna casing 21 is disposed on a side of the upper casing 1 facing the lower casing 2, and the antenna cavity 21 is provided therein. a communication antenna; a mobile phone circuit is disposed in the lower casing 2, the mobile phone circuit includes a processor and a telephone module connected to the processor signal, wherein the communication antenna is connected with a processor signal; Using 吋, rotating the mobile phone to make a call, the front side of the communication antenna is equivalent to unobstructed communication, and when it is not used, it is rotated back, the communication antenna is blocked by the upper casing 1 and the lower casing 2, so Reduce electromagnetic radiation as much as possible.

[0028] Preferably, in order to improve the communication quality of the mobile phone, the communication antenna includes a circular dielectric plate n1, and the dielectric plate n1 is provided with upper and lower symmetrical vibrator units, and each vibrator unit includes a rectangular first radiating arm. n 41, the first radiating arm n41 extends upwardly with a trapezoidal second radiating arm n42, the short bottom edge of the second radiating arm n42 is connected to one side of the first radiating arm n41; the long bottom edge of the second radiating arm n42 Extending out a rectangular third radiating arm n43, a free end of the third radiating arm n43 extends a rectangular fourth radiating arm n44, and a side of the fourth radiating arm n44 that extends away from the third radiating arm n43 extends upwardly to a plurality of rectangular shapes. a fifth radial arm n45; a first curved arm n6 extends from both sides of the first radiating arm n41, and an inner side of the two first curved arms n6 extends inwardly with an inclined arm _n7 , the inclined arm _n7 The free end extends a sixth radiating arm n46 parallel to the fourth radiating arm _n 44; the second radiating arm n42 and the third radiating arm n43 are provided with a rectangular first hollow slot n5; the first hollow slot n5 is internally filled with GaN semiconductor; also includes two sets of two vibrators A feed arm _n3 for feeding between the respective transducer units, respectively. Figure 5 is a reflection coefficient of the communication antenna of the present invention Test chart, from the test results, it can be seen that the coverage band bandwidth is 140MHz 820MHz-960MHz and 400M Hzl700MHz-2100MHz, S11 are less than -6dB, in line with the common standards of mobile phones. 6 to 10 show normalized radiation patterns of the broadband monopole antennas of the present invention at the center frequencies of the five frequency bands GSM850, GSM900, DSC 1800 ^ PCS 1900 and WCDMA 2100, as can be seen from the figure. This antenna has good omnidirectionality in these frequency bands and is suitable for mobile phone applications.

[0029] Preferably, the two sixth radiating arms n46 each extend upwardly with a rectangular seventh radiating arm n47. It can effectively increase the gain and reduce the standing wave ratio.

[0030] Preferably, the number of the fifth radiation arms n45 is ten. Can effectively increase the gain and reduce the standing wave ratio

[0031] Preferably, both sides of the third radiating arm n43 are recessed inwardly with a semicircular recess. It can effectively increase the gain and reduce the standing wave ratio.

Preferably, the first parasitic vibrator arm n2 is disposed on the two sides of the vibrator unit, and the first parasitic arm b2 extends in the direction of the vibrator unit to form a plurality of rectangular second parasitic arm n2. It can effectively increase the gain and reduce the standing wave ratio. When the second parasitic arm n2 and the first parasitic arm n2 are provided, the effect is very significant, and the standing wave ratio is lowered by 2 points to 1.15, which is substantially close to 1. It should be noted that when the combination of the second parasitic arm n2 and the first parasitic arm n2 is placed on other antennas, the same effect cannot be produced. It can be seen that the structure and the vibrator unit are mutually matched parasitic arm. .

[0033] Preferably, one end of the upper casing 1 away from the pivoting portion and one end of the lower casing 2 away from the pivoting portion are arc-shaped.

[0034] Preferably, the utility model further includes a waterproof casing for sealing the antenna cavity 21, further comprising a shielding plate disposed on the bottom surface of the antenna cavity 21, wherein the shielding plate is a metal circular plate, and the shielding plate is provided There are isolated arms in a matrix arrangement.

[0035] The communication antenna is a non-size required antenna, and the above requirements are met as long as the holes and holes are provided in the bending direction; but if better stable performance is required, the specific size of the antenna can be optimized as: The diameter of the dielectric plate nl is: 55 mm; the length and width of the feeding arm n3 are: 1.4 mm and 0.8 mm, respectively; the length and height of the first radiating arm n41 are: 10 mm and 3.4 mm, respectively; the height of the second radiating arm n42 For the 3.8mm, the long base and the short base are: 14.8mm and 10mm respectively; the length and height of the third vibrator arm are: 6.3mm and 1.3mm; the line width and height of the fifth radiating arm n45 are: 1.7 Mm and 19.5 mm; length and height of the fifth radiating arm n45 1.2mm and 0.2mm respectively, the distance between two adjacent fifth radiating arms n45 is not less than 0.1mm; the angle of the center of the first curved arm n6 is: 150 degrees, the radius is: 10mm; 5毫米; The line width of the seventh radiating arm n47 is the same as that of the inclined arm n7, and the length is 4. 5mm; the line width of the seventh radiating arm n47 is 1.0 mm; the line width of the oblique arm n7 is 1.0 mm, and the side length is: 3.9 mm; 1.0mm, height is 1.2mm; radius of semicircular depression is: 0.0 3mm; line width of first hollow groove n5 is: 2mm; height is: 10mm; width and height of first parasitic vibrator arm n2 are: 1.8mm and 6mm; the number of the second parasitic vibrator arms n2 is five, the width and length are: 0.3 mm and 2.86 mm, respectively, and the distance between the two second parasitic vibrator arms n2 is at least: 0.6 mm. Other unspecified sizes are not required.

The above description is only a preferred embodiment of the present invention, and equivalent changes or modifications made to the structures, features, and principles described in the scope of the present invention are included in the scope of protection of the present patent application.

Claims

Claim

[Claim 1] A rotary handpiece provided with a shield plate, comprising: an upper casing (1) and a lower casing (2), a bottom and a lower casing of the upper casing (1) ( The top of the 2) is pivotally connected together; the upper casing (1) is rotatably connected to the lower casing (2); the upper casing (1) is provided with an antenna cavity on a side of the lower casing (2) ( 21), a communication antenna is disposed in the antenna cavity (21); a mobile phone circuit is disposed in the lower casing (2), and the mobile phone circuit includes a processor and a telephone module connected to the processor signal, The communication antenna is connected to the processor signal; further comprising a waterproof casing for sealing the antenna cavity (21), further comprising a shielding plate disposed on the inner bottom surface of the antenna cavity (21), wherein the shielding plate is a metal circular plate; The communication antenna comprises a circular dielectric plate (nl), and the dielectric plate (nl) is provided with upper and lower symmetrical oscillator units, each of the vibrator units including a rectangular first radiating arm (n41), the first radiating arm ( _n 41) extending the trapezoidal second radiating arm (n42) upward, and the second radiating arm (n42) is short The bottom edge is connected to one side of the first radiating arm (n41); the long bottom edge of the second radiating arm ( _n 42) extends upwardly to a rectangular third radiating arm (n43), and the third radiating arm (n43) free end Extending out a rectangular fourth radiating arm (n44), and a side of the fourth radiating arm (n44) remote from the third radiating arm (n43) extends upwardly from a plurality of rectangular fifth radiating arms (n45); from the first radiation A first curved arm (n6) extends from both sides of the arm (n41), and an inner side of the two first curved arms (n6) extends inwardly with an inclined arm (n7), and the inclined arm (n7) has a free end extending out of the sixth and the fourth radiating arm radiating arm (N44) in parallel (N46); a second radiating arm (N42) and the third radiating arm _(n 43) equipped with a first rectangular hollow slot (N5 The first hollow slot (n5) is internally filled with a gallium nitride semiconductor; and further includes two feed arms (n3) disposed between the two transducer units for respectively feeding the corresponding transducer unit; Each of the sixth radiating arms (n46) extends upwardly with a rectangular seventh radiating arm ( _n 4 ⁷ ).

[Claim 2] A rotary handpiece provided with a shield plate according to claim 1, wherein the number of the fifth radiation arms (n45) is ten.

[Claim 3] A rotary mobile phone provided with a shielding plate according to claim 1, wherein: the two sides of the third radiating arm (n43) are recessed inwardly with a semicircular recess.

[Claim 4] The rotary mobile phone provided with the shielding plate according to claim 1, further comprising: a first parasitic vibrator arm (n2) respectively disposed on two sides of the vibrator unit; The parasitic vibrator arm (n2) has a plurality of rectangular second parasitic vibrator arms (n2) extending in the direction of the vibrator unit.

[Claim 5] A rotary mobile phone provided with a shielding plate according to claim 1, wherein: the upper casing (1) is away from the pivoting portion and the lower casing (2) is remote from the pivotal connection. One end of the part is rounded.