CN219513308U - Antenna and electronic equipment - Google Patents

Abstract

The embodiment of the utility model relates to the technical field of wireless communication and discloses an antenna and electronic equipment, wherein the antenna comprises a medium shell, a first feed part, a first metal sheet, a feed line and a first radiation module, the medium shell is provided with a first bottom wall, a second bottom wall and a side wall, the side wall is connected with the first bottom wall, and the side wall is perpendicular to the first bottom wall; the first feeding part is arranged on the first bottom wall; the first metal sheet is arranged on the second bottom wall; the feeder comprises an inner conductor and an outer conductor, the inner conductor is electrically connected with the first feed part, and the outer conductor is electrically connected with the first metal sheet; the first radiating module comprises a first radiating arm and a first widening part, wherein the first radiating arm is arranged on the first bottom wall, one end of the first radiating arm is electrically connected with the first feed part, the first widening part is arranged on the side wall, the other end of the first radiating arm is electrically connected with the first widening part, and the first radiating module is used for radiating electromagnetic signals of a first frequency band. Through the mode, the embodiment of the utility model can reduce the clearance space required by the antenna.

Description

Antenna and electronic equipment

Technical Field

The embodiment of the utility model relates to the technical field of wireless communication, in particular to an antenna and electronic equipment.

Background

Electronic devices generally need to reserve enough headroom for the radiating elements in the antenna to avoid interference with the antenna as much as possible, under which no metal or other electronic components can be present, and thus the planar area of the radiating elements in the antenna directly affects the volume of the electronic device.

In the implementation process of the embodiment of the utility model, the inventor finds that: currently, the radiating elements of many antennas are arranged on a plane, and the length of the radiating elements is generally equal to half the wavelength of the signal with the lowest frequency radiated, when the low-frequency signal needs to be radiated, the length of the radiating elements is longer, that is, the area of the plane for arranging the radiating elements is larger, and no metal or electronic element can be arranged in the space above the plane perpendicular to the plane, so that the clearance required for the radiating elements by the electronic device is large, and the miniaturization development of the electronic device is limited.

Disclosure of Invention

The embodiment of the utility model mainly solves the technical problem of providing an antenna and electronic equipment, which can reduce the clearance space required by the antenna.

In order to solve the technical problems, one technical scheme adopted by the embodiment of the utility model is as follows: the antenna comprises a dielectric shell, a first feed part, a first metal sheet, a feed line and a first radiation module, wherein the dielectric shell is provided with a first bottom wall, a second bottom wall and a side wall, the side wall is connected with the first bottom wall and is perpendicular to the first bottom wall, and the second bottom wall is connected with one end, far away from the side wall, of the first bottom wall; the first feeding part is arranged on the first bottom wall; the first metal sheet is mounted on the second bottom wall; the feeder comprises an inner conductor and an outer conductor, the inner conductor is insulated from the outer conductor, the inner conductor is electrically connected with the first feed part, and the outer conductor is electrically connected with the first metal sheet; the first radiating module comprises a first radiating arm and a first widening part, the first radiating arm is arranged on the first bottom wall, one end of the first radiating arm is electrically connected with the first feed part, the first widening part is arranged on the side wall, the other end of the first radiating arm is electrically connected with the first widening part, and the first radiating module is used for radiating electromagnetic signals of a first frequency band.

Optionally, the first radiation arm is bent from one end to the other end of the first radiation arm.

Optionally, the first radiation module further includes a second widened portion, the second widened portion is disposed on the side wall, the second widened portion is electrically connected with the other end of the first radiation arm, and the first radiation arm, the first widened portion and the second widened portion are jointly used for radiating the electromagnetic signal of the first frequency band.

Optionally, a first connection section and a second connection section are disposed at the other end of the first radiating arm, the first connection section is connected with the first widened portion, and the second connection section is connected with the second widened portion.

Optionally, the antenna further includes a second radiation module, the second radiation module includes a second radiation arm and a third broadening part, the second radiation arm set up in the first diapire, one end of the second radiation arm with first feed portion electricity is connected, the third broadening part set up in the lateral wall, the third broadening part with the other end electricity of the second radiation arm is connected, the electromagnetic signal of second frequency channel is used for radiating jointly to second radiation arm and third broadening part, first frequency channel and second frequency channel are mutually different.

Optionally, the antenna further includes a third radiation module, the third radiation module includes a third radiation arm and a fourth broadening part, the third radiation arm is disposed in the first bottom wall, one end of the third radiation arm is electrically connected with the first feeding part, the fourth broadening part is disposed in the first bottom wall, the fourth broadening part is electrically connected with the other end of the third radiation arm, and the third radiation arm and the fourth broadening part are jointly used for radiating electromagnetic signals in a third frequency band.

Optionally, the antenna further includes a second feeding portion and a fourth radiating module, the second feeding portion is disposed in the first bottom wall, one end of the second feeding portion is electrically connected with the first metal sheet, the fourth radiating module includes a fourth radiating arm and a fifth radiating arm, one end of the fourth radiating arm is electrically connected with the first feeding portion, a portion of the fourth radiating arm is disposed in the first bottom wall, another portion of the fourth radiating arm is disposed in the side wall, the fifth radiating arm is disposed in the first bottom wall, one end of the fifth radiating arm is electrically connected with the second feeding portion, and the fourth radiating arm and the fifth radiating arm are jointly used for radiating electromagnetic signals of a fourth frequency band.

Optionally, the antenna further includes a second feeding portion and a fifth radiating module, the second feeding portion is disposed in the first bottom wall, one end of the second feeding portion is electrically connected with the first metal sheet, the fifth radiating module includes a sixth radiating arm and a seventh radiating arm, the sixth radiating arm is disposed in the first bottom wall, one end of the sixth radiating arm is electrically connected with the first feeding portion, the seventh radiating arm is disposed in the first bottom wall, one end of the seventh radiating arm is electrically connected with the second feeding portion, and the sixth radiating arm and the seventh radiating arm are jointly used for radiating electromagnetic signals in a fifth frequency band.

In order to solve the technical problems, another technical scheme adopted by the embodiment of the utility model is as follows: the utility model provides an electronic equipment, including shell, mainboard, battery and foretell antenna, the shell is provided with accepts the chamber, antenna, mainboard and battery all accept in accept the chamber, the feeder of antenna with the mainboard electricity is connected, the battery with the mainboard electricity is connected, and mainboard and battery are located between the chamber bottom of second diapire and accept the chamber, so in the direction perpendicular to first diapire, electronic equipment has the clearance space that supplies the antenna radiation electromagnetic signal.

Optionally, the electronic device further includes a cover body and a display device, the cover body covers the accommodating cavity, the display device is electrically connected with the main board, the medium housing is further provided with an accommodating groove, the cover body is provided with an opening, the display device is accommodated in the accommodating groove, the display device is exposed to the opening, and in a direction perpendicular to the first bottom wall, no overlapping area exists between the display device and the first bottom wall.

The embodiment of the utility model has the beneficial effects that: compared with the prior art, the embodiment of the utility model has the advantages that the first bottom wall, the second bottom wall and the side wall are arranged on the medium shell, the side wall is vertical to the first bottom wall, the first power supply part and the first radiation arm are arranged on the first bottom wall, the first metal sheet is arranged on the second bottom wall, the first widening part is arranged on the side wall, and the first radiation arm is respectively and electrically connected with the first widening part and the first power supply part, so that the first widening part and the first radiation arm can jointly radiate electromagnetic signals of a first frequency band, and the first bottom wall is vertical to the side wall, so that the projection of a clearance reserved in the electronic equipment only needs to cover the first side wall in the direction vertical to the first side wall, thereby being beneficial to reducing the space of the clearance and further being beneficial to the miniaturization development of the electronic equipment.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of a dielectric housing in an embodiment of an antenna of the present utility model;

fig. 2 is a schematic diagram of the structure of an embodiment of the antenna of the present utility model;

FIG. 3 is an enlarged view of the area indicated by section A in FIG. 2;

fig. 4 is a schematic view of a partial structure of an embodiment of an antenna of the present utility model;

fig. 5 is a schematic structural view of another embodiment of the antenna of the present utility model;

FIG. 6 is a schematic diagram of an embodiment of an electronic device of the present utility model;

FIG. 7 is a graph of scattering parameters in a first frequency band, a second frequency band, a third frequency band, and a fourth frequency band for an embodiment of an antenna according to the present utility model;

fig. 8 is a diagram of an antenna embodiment of the present utility model in a first frequency band;

fig. 9 is a diagram of an antenna embodiment of the present utility model in a second frequency band;

fig. 10 is a diagram of an antenna embodiment of the present utility model in a third frequency band;

fig. 11 is a diagram of an antenna embodiment of the present utility model in a fourth frequency band;

FIG. 12 is a graph of scattering parameters in a fifth frequency band for an embodiment of the antenna of the present utility model;

fig. 13 is a diagram of an antenna embodiment of the present utility model in a fifth frequency band.

Detailed Description

In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "upper," "lower," "inner," "outer," "vertical," "horizontal," and the like as used in this specification, refer to an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.

In addition, the technical features mentioned in the different embodiments of the utility model described below can be combined with one another as long as they do not conflict with one another.

Referring to fig. 1 to 4, the antenna 1 includes: the dielectric housing 10, the first feeding portion 11, the second feeding portion 12, the first metal sheet 131, the feeding line 14, the first radiation module 15, the second radiation module 16, the third radiation module 17, the fourth radiation module 18, and the fifth radiation module 19. The first feeding portion 11, the second feeding portion 12, the first metal sheet 131, the feeder line 14, the first radiation module 15, the second radiation module 16, the third radiation module 17, the fourth radiation module 18 and the fifth radiation module 19 are all disposed in the dielectric housing 10, the feeder line 14 is electrically connected to the first feeding portion 11 and the first metal sheet 131, and the second feeding portion 12 is electrically connected to the first metal sheet 131. The first radiation module 15, the second radiation module 16, and the third radiation module 17 are respectively electrically connected to the first feeding portion 11, the first radiation module 15 is configured to radiate electromagnetic signals in a first frequency band, the second radiation module 16 is configured to radiate electromagnetic signals in a second frequency band, and the third radiation module 17 is configured to radiate electromagnetic signals in a third frequency band. The fourth radiation module 18 is electrically connected to the first feeding portion 11 and the second feeding portion 12, and the fourth radiation module 18 is configured to radiate electromagnetic signals in a fourth frequency band. The fifth radiation module 19 is electrically connected to the first feeding portion 11 and the second feeding portion 12, respectively, and the fifth radiation module 19 is configured to radiate electromagnetic signals in a fifth frequency band, where the first frequency band, the second frequency band, the third frequency band, the fourth frequency band, and the fifth frequency band are all different.

The medium housing 10 is provided with a first bottom wall 101, a second bottom wall 102 and a side wall 103, the side wall 103 is connected with the first bottom wall 101, the side wall 103 is perpendicular to the first bottom wall 101, and the second bottom wall 102 is connected with an end of the first bottom wall 101 away from the side wall 103. The first feeding portion 11 and the second feeding portion 12 are both disposed on the first bottom wall 101, and the first feeding portion 11 and the second feeding portion 12 are disposed separately. The first metal sheet 131 is disposed on the second bottom wall 102.

The feeder line 14 includes an inner conductor 141 and an outer conductor 142, the outer conductor 142 is wrapped around the inner conductor 141, and the inner conductor 141 and the outer conductor 142 are insulated by an insulating layer (not numbered), the inner conductor 141 and the first feeding portion 11 are electrically connected, and the outer conductor 142 and the first metal sheet 131 are electrically connected.

The first radiation module 15 includes a first radiation arm 151, a first widened portion 152, and a second widened portion 153. The first radiating arm 151 is disposed on the first bottom wall 101, and one end of the first radiating arm 151 is electrically connected to the first feeding portion 11. The other end of the first radiating arm 151 is provided with a first connection section 1511 and a second connection section 1512, the first widened portion 152 is disposed on the side wall 103, and the first connection section 1511 is electrically connected with the first widened portion 152. The second widened portion 153 is disposed on the side wall 103, and the second connection section 1512 is electrically connected to the second widened portion 153. The first radiating arm 151, the first widened portion 152 and the second widened portion 153 together constitute a monopole oscillator unit, and the first metal sheet 131 forms a ground of the monopole oscillator unit, so that the first radiating arm 151, the first widened portion 152 and the second widened portion 153 can jointly radiate electromagnetic signals of the first frequency band. Wherein the frequency range of the first frequency band is greater than or equal to 0.44GHz and less than or equal to 0.48GHz. In order to reduce the interference of the metal element or the electronic element on the antenna 1, the antenna 1 needs to have a sufficient clearance space, in this embodiment, the first bottom wall 101 is taken as a bottom surface, the rectangular space formed by extending along the direction perpendicular to the bottom wall is the clearance space required by the antenna 1, and the first radiating arm 151, the first widening portion 152 and the second widening portion 153 are completely contained in the clearance space, so that the antenna 1 can radiate electromagnetic signals towards the clearance space without being interfered by other metal elements or electronic elements. Therefore, by providing the first widened portion 152 and the second widened portion 153 to the side wall 103, and the side wall 103 is perpendicular to the first bottom wall 101, the area of the first bottom wall 101 can be reduced, and the volume of the headroom required for the antenna can be reduced.

Further, the sum of the length of the first radiating arm 151 in the second direction perpendicular to the first bottom wall 101 and the length of the first widened portion 152 in the first direction perpendicular to the first widened portion 152 is greater than or equal to 1/8 and less than or equal to 3/4 of the wavelength of the electromagnetic signals of the first frequency band. Specifically, the sum of the length of the first radiating arm 151 and the length of the first widened portion 152 in the first direction is greater than or equal to 81.52 mm and less than or equal to 489.13 mm, calculated as the intermediate frequency 0.46GHz of the first frequency band.

In some embodiments, from one end of the first radiating arm 151 to the other end, the first radiating arm 151 is bent in a rectangular wave shape, so that the first radiating arm 151 may have a length long enough to enable the frequency of the electromagnetic signal radiated by the first radiating module 15 to fall within the range of the first frequency band, and the length of the first radiating arm 151 in the second direction may be reduced as much as possible, so that the headroom required by the antenna 1 may be further reduced.

The second radiation module 16 includes a second radiation arm 161 and a third widened portion 162, the second radiation arm 161 is disposed on the first bottom wall 101, and one end of the second radiation arm 161 is electrically connected to the first feeding portion 11. The third widened portion 162 is disposed on the side wall 103, and the third widened portion 162 is electrically connected to the other end of the second radiation arm 161. The second radiating arm 161 and the third widening part 162 together form another monopole oscillator unit, and the first metal sheet 131 may also serve as a ground of the other monopole oscillator unit, so that the second radiating arm 161 and the third widening part 162 may together radiate electromagnetic signals of the second frequency band. Wherein the frequency range of the second frequency band is greater than or equal to 0.84GHz and less than or equal to 1.09GHz. By providing the second radiating arm 161 and the third widening part 162 and disposing the third widening part 162 on the side wall 103, the antenna 1 can radiate electromagnetic signals in multiple frequency bands, which is beneficial to expanding the application range of the antenna 1, and simultaneously, the clearance space required by the antenna 1 can be reduced.

Further, the second radiating arm 161 may be disposed in a straight line, and in some embodiments, referring to fig. 6, the second radiating arm 161 may also be disposed in a bent manner, so that the length of the second radiating arm 161 may be increased without changing the area of the first bottom wall 101, so as to adjust the frequency of the electromagnetic signal radiated by the second radiating arm 161 and the third broadening portion 162 to the second frequency band.

Further, referring to fig. 1 to 4, the sum of the length of the second radiating arm 161 in the second direction and the length of the third widened portion 162 in the first direction is greater than or equal to 1/8 of the wavelength of the electromagnetic signal of the second frequency band and less than or equal to 3/4 of the wavelength of the electromagnetic signal of the second frequency band. Specifically, the sum of the length of the second radiation arm 161 and the length of the third widened portion 162 in the first direction is greater than or equal to 38.86 mm and less than or equal to 233.16 mm, calculated as the intermediate frequency of the electromagnetic signal of the second frequency band of 0.965 GHz.

The third radiating module 17 includes a third radiating arm 171 and a fourth widened portion 172, the third radiating arm 171 is disposed on the first bottom wall 101, and one end of the third radiating arm 171 is electrically connected to the first feeding portion 11. The fourth widened portion 172 is disposed on the first bottom wall 101, and the fourth widened portion 172 is electrically connected to the other end of the third radiation arm 171. The third radiating arm 171 and the fourth widening 172 together form a further monopole element unit, and the first metal sheet 131 can also serve as a ground for the further monopole element unit, so that the third radiating arm 171 and the fourth widening 172 can jointly radiate electromagnetic signals of a third frequency band. Wherein the frequency range of the electromagnetic signal of the third frequency band is greater than or equal to 1.41GHz and less than or equal to 1.50. By arranging the third radiating arm 171 and the fourth widening part 172, the antenna 1 can radiate electromagnetic signals in a third frequency band, so that the use scene of the antenna 1 can be further expanded, and the application range of the antenna 1 is expanded.

Further, in the second direction, the sum of the lengths of the third radiating arm 171 and the fourth widened portion 172 is greater than or equal to 1/8 of the wavelength of the electromagnetic signal of the third frequency band and less than or equal to 3/4 of the wavelength of the electromagnetic signal of the third frequency band. Specifically, the sum of the lengths of the third radiating arm 171 and the fourth widened portion 172 is greater than or equal to 24.19 mm and less than or equal to 145.16 mm in the second direction, calculated as the intermediate frequency 1.55GHz of the electromagnetic signal of the third frequency band.

The fourth radiating module 18 includes a fourth radiating arm 181 and a fifth radiating arm 182, one end of the fourth radiating arm 181 is electrically connected to the first feeding portion 11, a portion of the fourth radiating arm 181 is disposed on the first bottom wall 101, and another portion of the fourth radiating arm 181 is disposed on the side wall 103. The fifth radiating arm 182 is disposed on the first bottom wall 101, and one end of the fifth radiating arm 182 is electrically connected to the second feeding portion 12. The fourth radiating arm 181 and the fifth radiating arm 182 together form a dipole oscillator unit, so that the fourth radiating arm 181 and the fifth radiating arm 182 can jointly radiate electromagnetic signals in a fourth frequency band, wherein the frequency range of the electromagnetic signals in the fourth frequency band is greater than or equal to 2.40GHz and less than or equal to 2.48GHz.

In some embodiments, the portion of the fourth radiating arm 181 disposed on the side wall 103 is L-shaped, and the fifth radiating arm 182 is also L-shaped.

Further, the sum of the length of the fourth radiating arm 181 in the first direction of the side wall 103 portion and the length of the fifth radiating arm 182 in the second direction of the first bottom wall 101 portion is greater than or equal to 1/8 and less than or equal to 3/4 of the wavelength of the electromagnetic signal of the fourth frequency band. Specifically, the length of the fourth radiating arm 181 and the length of the fifth radiating arm 182 are both greater than or equal to 15.37 mm and less than or equal to 92.21 mm, calculated as the intermediate frequency 2.44GHz of the electromagnetic signal in the fourth frequency band.

The fifth radiating module 19 includes a sixth radiating arm 191 and a seventh radiating arm 192, where the sixth radiating arm 191 is disposed on the first bottom wall 101, one end of the sixth radiating arm 191 is electrically connected to the first feeding portion 11, the seventh radiating arm 192 is disposed on the first bottom wall 101, and one end of the seventh radiating arm 192 is electrically connected to the second feeding portion 12. The sixth radiating arm 191 and the seventh radiating arm 192 together form another dipole oscillator unit, so that the sixth radiating arm 191 and the seventh radiating arm 192 can jointly radiate electromagnetic signals in a fifth frequency band, wherein the frequency range of the fifth frequency band is greater than or equal to 5.15GHz and less than or equal to 5.78GHz. By arranging the first radiation module 15, the second radiation module 16, the third radiation module 17, the fourth radiation module 18 and the fifth radiation module 19, the antenna 1 can radiate electromagnetic signals in the first frequency band, the second frequency band, the third frequency band, the fourth frequency band and the fifth frequency band, so that the antenna 1 can use electromagnetic signals in different frequency bands under different environments, and the application range of the antenna 1 is greatly expanded.

Further, the lengths of the sixth radiating arm 191 and the seventh radiating arm 192 are each greater than or equal to 1/8 of the wavelength of the electromagnetic signal of the fifth frequency band and less than or equal to 3/4 of the wavelength of the electromagnetic signal of the fifth frequency band. Specifically, the lengths of the sixth radiating arm 191 and the seventh radiating arm 192 are each greater than or equal to 6.86 millimeters and less than or equal to 41.17 millimeters, calculated as the intermediate frequency 5.465GHz of the fifth frequency band.

In some embodiments, the antenna 1 further includes a second metal sheet 132, and the number of the feeder line 14, the first feeding portion 11, the second feeding portion 12, the first radiating module 15, the second radiating module 16, the third radiating module 17, the fourth radiating module 18, and the fifth radiating module 19 is two. The second metal sheet 132 is disposed on the second bottom wall 102, and the first metal sheet 131 and the second metal sheet 132 are disposed separately. The two first feeding portions 11 are disposed on the first bottom wall 101, and the two first feeding portions 11 are disposed apart. An inner conductor 141 of the feeder line 14 is electrically connected to the first feeding portion 11, and the first metal piece 131 and the second metal piece 132 are electrically connected to an outer conductor 142 of the feeder line 14, respectively. The two second feeding portions 12 are disposed on the first bottom wall 101, and the first metal sheet 131 and the second metal sheet 132 are further electrically connected to a second feeding portion 12, respectively. One of the first radiation modules 15 and one of the first feeding portions 11 are electrically connected, and the two first radiation modules 15 are symmetrical to each other. One of the second radiation modules 16 and one of the first feeding portions 11 are electrically connected, and the two second radiation modules 16 are symmetrical to each other. One of the third radiating modules 17 and one of the first feeding portions 11 are electrically connected, and the two third radiating modules 17 are symmetrical to each other. A fourth radiating arm 181 of the fourth radiating module 18 is electrically connected to the first feeding portion 11, a fifth radiating arm 182 of the fourth radiating module 18 is electrically connected to the second feeding portion 12, and the two fourth radiating modules 18 are symmetrical to each other. A sixth radiating arm 191 of the fifth radiating module 19 is electrically connected to the first feeding portion 11, a seventh radiating arm 192 of the fifth radiating module 19 is electrically connected to the second feeding portion 12, and the two fifth radiating modules 19 are symmetrical to each other. In this embodiment, by providing two feeder lines 14, a first feeder portion 11, a second feeder portion 12, a first radiating module 15, a second radiating module 16, a third radiating module 17, a fourth radiating module 18, and a fifth radiating module 19, the radiation performance of the antenna 1 on electromagnetic signals in the first frequency band, the second frequency band, the third frequency band, the fourth frequency band, and the fifth frequency band can be improved.

In some embodiments, referring to fig. 5, one difference between the antenna 1 and the above embodiment is that the first radiating module 15 includes an eighth radiating arm 154 and a ninth radiating arm 155, one end of the eighth radiating arm 154 is electrically connected to the first feeding portion 11, the other end of the eighth radiating arm 154 is connected to the first widening portion 152, one end of the ninth radiating arm 155 is electrically connected to the first feeding portion 11, the other end of the ninth radiating arm 155 is connected to the second widening portion 153, and the eighth radiating arm 154 and the ninth radiating arm 155 are each provided in a rectangular wave shape. Another difference between the antenna 1 and the above-described embodiment is that the third radiating module 17 is not provided with the fourth widened portion 172, and the third radiating arm 171 is also provided in a rectangular wave shape bent. It should be noted that, although the antenna of the present embodiment is slightly different from the antenna structure of the above embodiment, the functions implemented are the same.

For the reader to better understand the concepts of the present utility model, experimental data demonstration is provided below:

1) For the first frequency band, referring to fig. 7, by providing the first radiating arm 151, the first widened portion 152 and the second widened portion 153, the first radiating arm 151 is electrically connected to the first widened portion 152 and the second widened portion 153, respectively, the first radiating arm 151 is further connected to the first feeding portion 11, and the first metal sheet 131 may serve as a ground of the monopole oscillator unit formed by the first radiating arm 151, the first widened portion 152 and the second widened portion 153, so that the first radiating arm 151, the first widened portion 152 and the second widened portion 153 may jointly radiate electromagnetic signals of the first frequency band, and the first frequency band is greater than or equal to 0.44GHz and less than or equal to 0.48GHz. As can be seen from fig. 8, when the antenna 1 radiates electromagnetic signals in the first frequency band, the antenna 1 has omni-directionality in both a plane parallel to the first bottom wall 101 and a plane perpendicular to the first bottom wall 101 and parallel to the second radiating arm 161, and in fig. 8, H-plane represents directionality of the antenna 1 in a plane parallel to the first widened portion 152, and E-plane represents directionality of the antenna 1 in a plane perpendicular to the first bottom wall 101 and parallel to the third radiating arm 171.

2) For the second frequency band, referring to fig. 7, by providing the second radiating arm 161 and the third widened portion 162, the third widened portion 162 is connected to the second radiating arm 161, the second radiating arm 161 is further connected to the first feeding portion 11, and the first metal sheet 131 may also serve as a ground of the monopole oscillator unit formed by the second radiating arm 161 and the third widened portion 162, so that the second radiating arm 161 and the third widened portion 162 may jointly radiate an electromagnetic signal of the second frequency band, and the first frequency band is greater than or equal to 0.84GHz and less than or equal to 1.09GHz. Meanwhile, as can be seen from fig. 9, when the antenna 1 radiates the electromagnetic signal in the second frequency band, the antenna 1 has an omni-directionality in a plane parallel to the first widened portion 152, and in fig. 9, H-plane represents directionality of the antenna 1 in a plane parallel to the first widened portion 152, and E-plane represents directionality of the antenna 1 in a plane perpendicular to the first bottom wall 101 and parallel to the third radiating arm 171.

3) For the third frequency band, referring to fig. 7, by providing the third radiating arm 171 and the fourth widening portion 172, the fourth widening portion 172 is connected to the third radiating arm 171, the third radiating arm 171 is further connected to the first feeding portion 11, and the first metal sheet 131 may also serve as a ground of the monopole oscillator unit formed by the third radiating arm 171 and the fourth widening portion 172, so that the third radiating arm 171 and the fourth widening portion 172 may jointly radiate an electromagnetic signal of the third frequency band, and the third frequency band is greater than or equal to 1.41GHz and less than or equal to 1.50GHz. Meanwhile, as can be seen from fig. 10, when the antenna 1 radiates the electromagnetic signal in the third frequency band, the antenna 1 has an omni-directionality in a plane parallel to the first widened portion 152, and in fig. 10, H-plane represents a directionality of the antenna 1 in a plane parallel to the first widened portion 152, and E-plane represents a directionality of the antenna 1 in a plane perpendicular to the first bottom wall 101 and parallel to the third radiating arm 171.

4) For the fourth frequency band, referring to fig. 7, by providing the fourth radiation arm 181 and the fifth radiation arm 182, the fourth radiation arm 181 is connected to the first feeding portion 11, the fifth radiation arm 182 is connected to the second feeding portion 12, and the fourth radiation arm 181 and the fifth radiation arm 182 form a dipole oscillator unit, so that the fourth radiation arm 181 and the fifth radiation arm 182 can jointly radiate electromagnetic signals of the fourth frequency band, and the fourth frequency band is greater than or equal to 2.40GHz and less than or equal to 2.48GHz. Meanwhile, as can be seen from fig. 11, when the antenna 1 radiates the electromagnetic signal in the fourth frequency band, the antenna 1 has omnidirectionality in both a plane parallel to the first widened portion 152 and a plane perpendicular to the first bottom wall 101 and parallel to the third radiating arm 171, and in fig. 11, H-plane represents the directivity of the antenna 1 in a plane parallel to the first widened portion 152, and E-plane represents the directivity of the antenna 1 in a plane perpendicular to the first bottom wall 101 and parallel to the third radiating arm 171.

5) For the fifth frequency band, referring to fig. 12, by providing the sixth radiating arm 191 and the seventh radiating arm 192, the sixth radiating arm 191 is connected to the first feeding portion 11, the seventh radiating arm 192 is connected to the second feeding portion 12, and the sixth radiating arm 191 and the seventh radiating arm 192 constitute a dipole oscillator unit, so that the sixth radiating arm 191 and the seventh radiating arm 192 can jointly radiate electromagnetic signals of the fifth frequency band, and the fifth frequency band is greater than or equal to 5.15GHz and less than or equal to 5.78GHz. Meanwhile, as can be seen from fig. 13, when the antenna 1 radiates the electromagnetic signal in the fifth frequency band, the antenna 1 has directivity in a plane parallel to the first widened portion 152, and in fig. 13, H-plane represents directivity of the antenna 1 in a plane parallel to the first widened portion 152, and E-plane represents directivity of the antenna 1 in a plane perpendicular to the first bottom wall 101 and parallel to the third radiating arm 171.

In the embodiment of the present utility model, the first bottom wall 101, the second bottom wall 102 and the side wall 103 are disposed in the dielectric housing 10, the side wall 103 is perpendicular to the first bottom wall 101, the first power feeding portion 11 and the first radiation arm 151 are disposed on the first bottom wall 101, the first metal sheet 131 is disposed on the second bottom wall 102, the first broadening portion 152 is disposed on the side wall 103, and the first radiation arm 151 is electrically connected with the first broadening portion 152 and the first power feeding portion 11 respectively, so that the first broadening portion 152 and the first radiation arm 151 can jointly radiate electromagnetic signals in the first frequency band, and since the first bottom wall 101 and the side wall 103 are perpendicular, in the direction perpendicular to the first side wall 103, the projection of the clearance reserved in the electronic device 100 only needs to cover the first side wall 103, which is beneficial to reduce the clearance space and further beneficial to the miniaturization development of the electronic device 100.

Referring to fig. 6, the electronic device 100 includes a housing 2, a motherboard 3, a battery 4, a cover 5, a display device 6, and the antenna 1. The housing 2 is provided with a containing cavity 21, the antenna 1, the main board 3 and the battery 4 are contained in the containing cavity 21, the cover body 5 covers the containing cavity 21, the feeder line 14 of the antenna 1 is electrically connected with the main board 3, the battery 4 is electrically connected with the main board 3, and the main board 3 and the battery 4 are located between the second bottom wall 102 and the cavity bottom of the containing cavity 21. The dielectric housing 10 of the antenna 1 is further provided with a receiving groove 104, the receiving groove 104 is positioned at one side of the dielectric housing 10 facing away from the battery 4, the cover 5 is further provided with an opening 51, the opening 51 is communicated with the receiving groove 104, the display device 6 is accommodated in the receiving groove 104, the display device 6 is exposed to the opening 51, the display device 6 is further electrically connected with the main board 3, and in a direction perpendicular to the first bottom wall 101, no overlapping area exists between the display device 6 and the first bottom wall 101, that is, in a direction perpendicular to the first bottom wall 101, no metal piece or electronic component is arranged in the electronic device 100, so that the electronic device 100 has a clearance space for the antenna 1 to radiate electromagnetic signals, and in a direction perpendicular to the first bottom wall 101, projection of the clearance space needs to completely cover the first radiation module 15, the second radiation module 16, the third radiation module 17, the fourth radiation module 18 and the fifth radiation module 19. Since the first bottom wall 101 and the side wall 103 of the dielectric housing 10 are perpendicular, and the portion of the fourth radiating arm 181, the first widened portion 152, the second widened portion 153, and the third widened portion 162 are disposed on the side wall 103, the area of the first bottom wall 101 can be reduced, and thus the clearance space required to be reserved by the electronic device 100 can be reduced, which is beneficial to the miniaturization development of the electronic device 100.

In some embodiments, the electronic device 100 further includes a heat sink 7, where the heat sink 7 is closely attached to the motherboard 3, so as to improve the heat dissipation efficiency of the motherboard 3.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (10)

1. An antenna, comprising:

the medium shell is provided with a first bottom wall, a second bottom wall and a side wall, wherein the side wall is connected with the first bottom wall, the side wall is perpendicular to the first bottom wall, and the second bottom wall is connected with one end, far away from the side wall, of the first bottom wall;

a first power feeding unit provided on the first bottom wall;

a first metal sheet mounted to the second bottom wall;

a feed line including an inner conductor and an outer conductor insulated from each other, the inner conductor being electrically connected to the first feed portion, the outer conductor being electrically connected to the first metal piece;

the first radiation module comprises a first radiation arm and a first broadening part, wherein the first radiation arm is arranged on the first bottom wall, one end of the first radiation arm is electrically connected with the first feed part, the first broadening part is arranged on the side wall, the other end of the first radiation arm is electrically connected with the first broadening part, and the first radiation module is used for radiating electromagnetic signals of a first frequency band.

2. The antenna of claim 1, wherein the antenna is configured to transmit the antenna signal,

the first radiating arm is bent from one end to the other end of the first radiating arm.

3. The antenna of claim 1, wherein the antenna is configured to transmit the antenna signal,

the first radiation module further comprises a second broadening part, the second broadening part is arranged on the side wall, the second broadening part is electrically connected with the other end of the first radiation arm, and the first radiation arm, the first broadening part and the second broadening part are jointly used for radiating electromagnetic signals of the first frequency band.

4. An antenna according to claim 3, characterized in that,

the other end of the first radiation arm is provided with a first connecting section and a second connecting section, the first connecting section is connected with the first broadening part, and the second connecting section is connected with the second broadening part.

5. The antenna of claim 1, wherein the antenna is configured to transmit the antenna signal,

the antenna further comprises a second radiation module, the second radiation module comprises a second radiation arm and a third broadening part, the second radiation arm is arranged on the first bottom wall, one end of the second radiation arm is electrically connected with the first feed part, the third broadening part is arranged on the side wall, the third broadening part is electrically connected with the other end of the second radiation arm, the second radiation arm and the third broadening part are jointly used for radiating electromagnetic signals of a second frequency band, and the first frequency band and the second frequency band are mutually different.

6. The antenna of claim 1, wherein the antenna is configured to transmit the antenna signal,

the antenna further comprises a third radiation module, the third radiation module comprises a third radiation arm and a fourth broadening part, the third radiation arm is arranged on the first bottom wall, one end of the third radiation arm is electrically connected with the first feed part, the fourth broadening part is arranged on the first bottom wall, the fourth broadening part is electrically connected with the other end of the third radiation arm, and the third radiation arm and the fourth broadening part are jointly used for radiating electromagnetic signals of a third frequency band.

7. The antenna of claim 1, wherein the antenna is configured to transmit the antenna signal,

the antenna further comprises a second feeding part and a fourth radiation module, the second feeding part is arranged on the first bottom wall, one end of the second feeding part is electrically connected with the first metal sheet, the fourth radiation module comprises a fourth radiation arm and a fifth radiation arm, one end of the fourth radiation arm is electrically connected with the first feeding part, one part of the fourth radiation arm is arranged on the first bottom wall, the other part of the fourth radiation arm is arranged on the side wall, the fifth radiation arm is arranged on the first bottom wall, one end of the fifth radiation arm is electrically connected with the second feeding part, and the fourth radiation arm and the fifth radiation arm are jointly used for radiating electromagnetic signals of a fourth frequency band.

8. The antenna of claim 1, wherein the antenna is configured to transmit the antenna signal,

the antenna further comprises a second feeding part and a fifth radiation module, the second feeding part is arranged on the first bottom wall, one end of the second feeding part is electrically connected with the first metal sheet, the fifth radiation module comprises a sixth radiation arm and a seventh radiation arm, the sixth radiation arm is arranged on the first bottom wall, one end of the sixth radiation arm is electrically connected with the first feeding part, the seventh radiation arm is arranged on the first bottom wall, one end of the seventh radiation arm is electrically connected with the second feeding part, and the sixth radiation arm and the seventh radiation arm are jointly used for radiating electromagnetic signals of a fifth frequency band.

9. An electronic device comprising a housing, a main board, a battery and an antenna according to any one of claims 1-8, wherein the housing is provided with a housing cavity, the antenna, the main board and the battery are all housed in the housing cavity, a feeder line of the antenna is electrically connected to the main board, the battery is electrically connected to the main board, and the main board and the battery are located between the second bottom wall and a cavity bottom of the housing cavity, so that the electronic device has a headroom for the antenna to radiate electromagnetic signals in a direction perpendicular to the first bottom wall.

10. The electronic device of claim 9, wherein the electronic device comprises a memory device,

the electronic equipment further comprises a cover body and a display device, the cover body covers the accommodating cavity, the display device is electrically connected with the main board, the medium shell is further provided with an accommodating groove, the cover body is provided with an opening, the display device is accommodated in the accommodating groove and is exposed to the opening, and in the direction perpendicular to the first bottom wall, no overlapping area exists between the display device and the first bottom wall.