CN219998486U

CN219998486U - Antenna, external antenna and terminal equipment

Info

Publication number: CN219998486U
Application number: CN202320927648.8U
Authority: CN
Inventors: 廖金亮; 张银虎; 奉前武
Original assignee: Entropy Technology Co Ltd
Current assignee: Entropy Technology Co Ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-11-10
Anticipated expiration: 2033-04-21

Abstract

The utility model provides an antenna, an external antenna and terminal equipment, wherein the antenna comprises: the first plate body is used for being connected with an external structure to fix the antenna; a radiation plate for radiating and receiving electromagnetic wave signals, the radiation plate being provided at one end in a width direction of the first plate body; the coupling plate is arranged at the other end of the first plate body in the width direction, and the coupling plate and the radiation plate are arranged side by side and at intervals; and the grounding plate is arranged on the coupling plate. According to the antenna and the terminal equipment provided by the utility model, the bandwidth of the antenna is increased through the gap between the coupling plate and the grounding plate, and the coupling surface is additionally arranged to improve the radiation area of the antenna, so that the bandwidth of the antenna is wider, and the coverage frequency range is more.

Description

Antenna, external antenna and terminal equipment

Technical Field

The utility model belongs to the technical field of antennas, and particularly relates to an antenna, an external antenna and terminal equipment.

Background

With the rapid development of the internet of things, smart home products are layered endlessly, and more product designs are developed towards the situation of wireless communication, wherein the antenna serving as a core component for receiving and transmitting signals is a device capable of radiating or receiving electromagnetic waves so as to transmit information.

In order to pursue the texture experience of appearance and heat dissipation performance, the existing products adopt a metal shell. However, the metal conductive frame can generate shielding effect, reduce the radiation efficiency of the antenna, cause network speed difference, and cannot meet the transmission of big data.

Disclosure of Invention

The embodiment of the utility model aims to provide an antenna and terminal equipment, which are used for solving the technical problem of low information transmission efficiency of the antenna in the prior art.

In order to achieve the above purpose, one of the technical schemes adopted by the utility model is as follows: there is provided an antenna comprising:

the first plate body is used for being connected with an external structure to fix the antenna;

a radiation plate for radiating and receiving electromagnetic wave signals, the radiation plate being provided at one end in a width direction of the first plate body;

the coupling plate is arranged at the other end of the first plate body in the width direction, and the coupling plate and the radiation plate are arranged side by side and at intervals; the method comprises the steps of,

and the grounding plate is arranged on the coupling plate.

The antenna frequency bandwidth can be effectively improved through the gap formed between the radiation plate and the grounding plate; the coupling plate is added, and the radiation area of the antenna is greatly increased by the coupling surface on the coupling plate, so that the bandwidth of the antenna is further improved, and the first plate body plays a role of fixing the antenna on one hand and serves as the relay bandwidth of the antenna on the other hand; and further, the frequency bandwidth of the antenna is improved, so that the efficiency of information transmission and information reception is improved.

In one embodiment, one end of the coupling plate is connected with the first plate body, and the coupling plate is arranged along the length direction of the first plate body; the connecting arm is arranged at one end of the first plate body, which is close to the coupling plate, and is positioned at one side of the first plate body, which is far away from the coupling plate, and extends to the middle part of the coupling plate in the length direction of the first plate body, and is connected with the radiation plate; and one end of the connecting arm connected with the radiation plate forms a main feed contact.

By adopting the technical scheme, the volume of the antenna can be effectively reduced, so that the cost is reduced.

In one embodiment, a first radiating arm is used to form a high frequency trace;

the second radiation arm is used for forming a low-frequency wiring;

the connecting plate, the one end of connecting plate with the linking arm links to each other, the other end of connecting plate with first radiation arm with the second radiation arm links to each other, first radiation arm is located the connecting plate is kept away from one side of first plate body, the second radiation arm is located the connecting plate is close to one side of first plate body.

By adopting the technical scheme, the antenna has a wider bandwidth frequency range, the working frequency is 2300MHz-2600MHz and 5000MHz-7500MHz, and the antenna is applicable to the working frequency bands of 2G,3G,4G,5G, wiFi & BT & ZigBee, loRa,433M, GPS and Beidou antennas.

Optionally, the second radiating arm is a U-shaped arm.

By adopting the U-shaped arm, the low-frequency wiring is ensured, and the frequency bandwidth of the antenna is further expanded.

In one embodiment, the width of the first radiating arm ranges from 2mm to 5mm; and/or the number of the groups of groups,

the width of the second radiation arm ranges from 2mm to 5mm; and/or the number of the groups of groups,

the width range of the coupling plate is 9mm-11mm; and/or the number of the groups of groups,

the vertical distance between the coupling plate and the radiation plate is 5mm-7mm.

By adopting the technical scheme, the working frequencies 2300MHz-2600MHz and 5000MHz-7500MHz can be realized, the frequency range of the domestic and foreign WIFI network is covered, the performance requirement is met, and the antenna is small in size and low in cost.

In one embodiment, the grounding plate is located at the middle part of the length direction of the coupling plate, and the grounding plate is formed by bending one side, close to the first plate body, of the coupling plate towards the direction close to the radiation plate.

By adopting the technical scheme, the position of the main feed contact corresponds to that of the main feed contact, so that the connection is convenient.

In one embodiment, the antenna is a PIFA antenna; and/or the antenna is made of copper foil.

By adopting the technical scheme, the antenna has the advantages of small size, light weight, low section, low manufacturing cost, good mechanical strength, wide frequency band, high efficiency, high gain, small influence from surrounding environment, small radiation damage to human bodies and large coverage frequency.

In one embodiment, one end of the coupling plate, which is far away from the first plate body, is provided with a second plate body for connecting a fastener, and the second plate body is formed by bending one side, close to the first plate body, of the coupling plate towards a direction close to the radiation plate.

By adopting the technical scheme, on one hand, the first plate body is matched to fix the antenna, and on the other hand, the second plate body is used as the relay bandwidth of the antenna, so that the frequency bandwidth of the antenna is further improved.

In one embodiment, the first plate body is provided with a first mounting hole for the fastener to pass through, and the second plate body is provided with a second mounting hole for the fastener to pass through; and/or, a first positioning hole for the matching insertion of a first positioning column on the shell is formed in the first plate body, and a second positioning hole for the matching insertion of a second positioning column on the shell is formed in the second plate body.

By adopting the technical scheme, the antenna is convenient to install.

In order to achieve the above purpose, the second technical scheme adopted by the utility model is as follows: an external antenna is provided, which comprises a shell and the antenna, wherein the antenna is installed in the shell.

In order to achieve the above purpose, the third technical scheme adopted by the utility model is as follows: the terminal equipment comprises a main body for mobile communication, wherein the main body is electrically connected with the first board body and the grounding board.

By adopting the technical scheme, the external antenna is not easy to be interfered by radiation of the host body, and the receiving sensitivity of the WIFI is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a terminal device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the explosive structure of FIG. 1;

fig. 3 is a front view of the antenna shown in fig. 2;

fig. 4 is a rear view of the antenna shown in fig. 2;

fig. 5 is a perspective view of the antenna shown in fig. 2.

Wherein, each reference sign in the figure:

10. a main body;

20. a housing; 200. a mounting cavity; 21. a first positioning column; 22. a second positioning column;

30. an antenna; 31. a first plate body; 311. a board body; 3111. a first mounting hole; 3112. a first positioning hole; 312. a connecting arm; 3120. a main feed contact; 32. a radiation plate; 321. a first radiating arm; 322. a second radiating arm; 323. a connecting plate; 33. a coupling plate; 330. a coupling surface; 34. a ground plate; 340. a ground feed contact; 35. a second plate body; 351. a second mounting hole; 352. a second positioning hole; 300. a gap; 301. a narrow slit;

40. and (5) connecting wires.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to 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 a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The X direction in the drawing is the longitudinal direction of the first plate 31, the Y direction is the thickness direction of the first plate 31, and the Z direction is the width direction of the first plate 31, which is merely for convenience of description, and therefore, the present utility model is not to be construed as being limited.

Referring to fig. 3 to 5, an antenna 30 according to an embodiment of the present utility model includes a first board 31, a radiation board 32, a coupling board 33 and a ground board 34; the first plate 31 is used for being connected with an external structure to fix the antenna 30; the radiation plate 32 is provided at one end of the first plate body 31 in the width direction, and the radiation plate 32 is for radiating and receiving electromagnetic wave signals; the coupling plate 33 is arranged at the other end of the first plate body 31 in the width direction, the coupling plate 33 and the radiation plate 32 are arranged side by side and at intervals, a coupling surface 330 is formed on one surface of the coupling plate 33 close to the radiation plate 32, and the coupling surface 330 is used for increasing the radiation area; the ground plate 34 is provided on the coupling plate 33.

The frequency bandwidth of the antenna 30 can be effectively improved through the gap 300 formed between the radiation plate 32 and the ground plate 34; the coupling plate 33 is added, and the coupling surface 330 on the coupling plate greatly increases the radiation area of the antenna 30, so that the bandwidth of the antenna 30 is further improved, and the first plate 31 plays a role of fixing the antenna 30 on one hand and serves as a secondary bandwidth of the antenna 30 on the other hand; thereby improving the frequency bandwidth of the antenna 30 and improving the efficiency of information transmission and reception.

In one embodiment of the present utility model, referring to fig. 3 to 5, one end of the coupling plate 33 is connected to the first plate 31, and the coupling plate 33 is disposed along the length direction of the first plate 31; the end of the first plate body 31, which is close to the coupling plate 33, is provided with a connecting arm 312, the connecting arm 312 is positioned at one side of the first plate body 31, which is far away from the coupling plate 33, and the connecting arm 312 extends to the middle part of the coupling plate 33 in the length direction of the first plate body 31 and is connected with the radiation plate 32; the end of the connecting arm 312 that is connected to the radiation plate 32 forms a main feed contact 3120. By extending the connecting arm 312 to connect with the radiation plate 32, the volume of the first plate body 31 is reduced, thereby reducing the volume of the antenna 30 and reducing the production cost.

In another embodiment of the present utility model, referring to fig. 3 to 5, the radiation plate 32 includes a first radiation arm 321, a second radiation arm 322, and a connection plate 323; the first radiating arm 321 is used for forming a high-frequency wiring, and the second radiating arm 322 is used for forming a low-frequency wiring; one end of the connection plate 323 is connected with the connection arm 312, the other end of the connection plate 323 is connected with the first radiation arm 321 and the second radiation arm 322, the first radiation arm 321 is located at one side of the connection plate 323 far away from the first plate 31, and the second radiation arm 322 is located at one side of the connection plate 323 near to the first plate 31. By adopting the arrangement, the antenna 30 has a wider bandwidth frequency range, the working frequency ranges of 2300MHz-2600MHz and 5000MHz-7500MHz, and the antenna is suitable for 2G,3G,4G,5G, wiFi & BT & ZigBee (Wireless Fidelity, bluetooth, zigBee; three wireless communication technologies), loRa (Long Range), 433M (wireless transmission module), GPS (Global Positioning System ) and Beidou antenna working frequency bands.

Optionally, the second radiating arm 322 is a U-shaped arm. The low frequency cabling is ensured, thereby expanding the frequency bandwidth of the antenna 30.

Optionally, a slot 301 is formed between the connecting arm 312 and the second radiating arm 322. Which facilitates reducing the weight and volume of antenna 30.

In one embodiment of the present utility model, referring to fig. 3 to 5, the width of the first radiating arm 321 ranges from 2mm to 5mm; a wider range of high frequency traces can be formed. In other embodiments, the width of the first radiating arm 321 is 2mm. Alternatively, the width of the first radiating arm 321 is 4mm. In this embodiment, the width of the second radiating arm 322 may be in the range of 2mm-5mm, enabling a wider range of low frequency traces to be formed. In other embodiments, the width of the second radiating arm 322 is 2mm. Alternatively, the width of the second radiating arm 332 is 4mm. In this embodiment, the width of the coupling plate 33 is 9mm-11mm, and the coupling surface 330 of the antenna 30 and the radiation area of the radiation plate 32 are added, so as to improve the bandwidth. Alternatively, the width of the coupling plate 33 is 10mm. In this embodiment, the vertical distance between the coupling plate 33 and the radiation plate 32 is 5mm-7mm, which is beneficial to improving the frequency bandwidth of the antenna 30. Alternatively, the coupling plate 33 is spaced from the radiation plate 32 by a vertical distance of 6mm.

In one embodiment of the utility model, the width of the second radiating arm 322 ranges from 3mm to 5mm; alternatively, the width of the second radiating arm 332 is 4mm. In this embodiment, the width of the coupling plate 33 is 9mm-11mm, and the coupling surface 330 of the antenna 30 and the radiation area of the radiation plate 32 are added, so as to improve the bandwidth. Alternatively, the width of the coupling plate 33 is 10mm. In this embodiment, the vertical distance between the coupling plate 33 and the radiation plate 32 is 5mm-7mm, which is beneficial to improving the frequency bandwidth of the antenna 30. Alternatively, the coupling plate 33 is spaced from the radiation plate 32 by a vertical distance of 6mm.

In one embodiment of the utility model, the width of the coupling plate 33 is in the range of 9mm-11mm. Alternatively, the width of the coupling plate 33 is 10mm. In this embodiment, the vertical distance between the coupling plate 33 and the radiation plate 32 is 5mm-7mm, which is beneficial to improving the frequency bandwidth of the antenna 30. Alternatively, the coupling plate 33 is spaced from the radiation plate 32 by a vertical distance of 6mm.

In one embodiment of the present utility model, the coupling plate 33 is spaced from the radiation plate 32 by a vertical distance ranging from 5mm to 7mm, which is advantageous for improving the frequency bandwidth of the antenna 30. Alternatively, the coupling plate 33 is spaced from the radiation plate 32 by a vertical distance of 6mm.

Alternatively, the width of the second radiation arm 322 is 4mm, the width of the coupling plate 33 is 10mm, and the vertical distance from the coupling plate 33 to the radiation plate 32 is 6mm. Therefore, the frequency range of the domestic and foreign WIFI network can be covered, the performance requirement is met, and the antenna 30 is small in size and low in cost.

In another embodiment of the present utility model, referring to fig. 3 to 5, the ground plate 34 is located at the middle of the length direction of the coupling plate 33, and the ground plate 34 is formed by bending one side of the coupling plate 33 near the first plate body 31 towards the direction near the radiation plate 32. Corresponding to the position of the main feed contact 3120, facilitating connection.

Optionally, the ground plate 34 acts as a ground feed contact 340 for ground wire connection.

In application, the main feed contact 3120 and the ground feed contact 340 are movable, in short, the main feed contact 3120 can be located at any position on the connecting arm 312 and the ground feed contact 340 can be located at any position on the ground plate 34 or the coupling plate 33.

In one embodiment of the utility model, the antenna 30 is a PIFA antenna 30; the antenna 30 is made of copper foil. Thus, the antenna 30 can be made small in size, light in weight, low in profile and inexpensive in cost.

In another embodiment of the present utility model, referring to fig. 3 to 5, a second plate 35 for connecting the fastening members is disposed at an end of the coupling plate 33 away from the first plate 31, and the second plate 35 is formed by bending a side of the coupling plate 33 near the first plate 31 toward a direction near the radiation plate 32. Thus, on one hand, the first plate 31 is matched to fix the antenna 30, and on the other hand, the second plate is used as the relay bandwidth of the antenna 30, so that the frequency bandwidth of the antenna 30 is further improved.

In one embodiment of the present utility model, referring to fig. 3 to 5, a first mounting hole 3111 for passing a fastener is formed in the first plate 31, and a second mounting hole 351 for passing a fastener is formed in the second plate 35; the first plate 31 is provided with a first positioning hole 3112 for the first positioning column 21 on the housing 20 to be inserted in a matching manner, and the second plate 35 is provided with a second positioning hole 352 for the second positioning column 22 on the housing 20 to be inserted in a matching manner. Facilitating the fixing and mounting of the antenna 30.

Alternatively, the first plate 31 includes a plate body 311 and a connecting arm 312, the connecting arm 312 is connected to one end of the plate body 311 in the length direction, and the connecting arm 312 is located at one end of the plate body 311 away from the coupling plate 33 in the width direction.

The utility model also provides an external antenna, referring to fig. 1 and 2, comprising a housing 20 and the antenna 30 described above, wherein the antenna 30 is installed in the housing 20. The external antenna can be arranged outside the terminal equipment, so that the radiation influence of a main board of the terminal equipment is reduced, the influence of a metal shell is avoided, and the frequency bandwidth of the antenna is wide.

Alternatively, a first positioning column 21 and a second positioning column 22 are arranged inside the shell 20, and the first positioning column 21 is in plug-in fit with a first positioning hole 3112 on the first board 31 to position the antenna 30; the second positioning column 22 is in plug-in fit with a second positioning hole 352 on the second plate body 35 to further position the antenna 30; so that the position of the antenna 30 is fixed, facilitating the installation of the antenna 30.

Optionally, a first threaded hole (not numbered) and a second threaded hole (not numbered) are further formed in the housing 20, and the first threaded hole corresponds to the first mounting hole 3111 on the first plate 31, and is used for inserting a screw to fasten the antenna 30; the second screw holes correspond to the positions of the second mounting holes 351 on the second plate 35 for screw insertion to further fasten the antenna 30.

The present utility model also provides a terminal device, referring to fig. 1 and 2, comprising a main body 10, a connection wire 40 and the external antenna described above, wherein one end of the connection wire 40 is connected with the first board 31 and the ground plate 34, and the other end of the connection wire 40 is connected with the main body 10, so that the antenna 30 is electrically connected with the main body 10. The terminal equipment provided by the utility model adopts the external antenna 30, so that the radiation influence caused by the main body 10 is reduced, the influence of shielding by a metal shell is avoided, the coverage frequency range is more, the antenna bandwidth is wider, and the sensitivity of receiving WIFI is higher.

Optionally, the connection wire 40 is a radio frequency wire that is soldered to the connection arm 312 and the ground plate 34. To achieve electrical connection of the main body 10 with the antenna 30.

In application, the terminal device includes electronic devices such as a mobile phone, a tablet computer, a portable computer, and a radio.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. An antenna, comprising:

and the grounding plate is arranged on the coupling plate.

2. The antenna of claim 1, wherein one end of the coupling plate is connected to the first plate, and the coupling plate is disposed along a length direction of the first plate; the connecting arm is arranged at one end of the first plate body, which is close to the coupling plate, and is positioned at one side of the first plate body, which is far away from the coupling plate, and extends to the middle part of the coupling plate in the length direction of the first plate body, and is connected with the radiation plate; and one end of the connecting arm connected with the radiation plate forms a main feed contact.

3. The antenna of claim 2, wherein the radiating plate comprises:

the first radiation arm is used for forming a high-frequency wiring;

the second radiation arm is used for forming a low-frequency wiring;

4. An antenna according to claim 3, wherein the width of the first radiating arm is in the range 2mm to 5mm; and/or the number of the groups of groups,

5. The antenna of claim 1, wherein the ground plate is located at a middle part of the coupling plate in a length direction, and the ground plate is formed by bending one side of the coupling plate, which is close to the first plate body, toward a direction close to the radiation plate.

6. The antenna of any of claims 1-5, wherein the antenna is a PIFA antenna; and/or the antenna is made of copper foil.

7. The antenna of any one of claims 1-5, wherein a second plate body for connecting a fastener is arranged at one end of the coupling plate away from the first plate body, and the second plate body is formed by bending one side of the coupling plate, which is close to the first plate body, towards a direction close to the radiation plate.

8. The antenna of claim 7, wherein the first plate body is provided with a first mounting hole for the fastener to pass through, and the second plate body is provided with a second mounting hole for the fastener to pass through; and/or, a first positioning hole for the matching insertion of a first positioning column on the shell is formed in the first plate body, and a second positioning hole for the matching insertion of a second positioning column on the shell is formed in the second plate body.

9. An external antenna comprising a housing, further comprising the antenna of any one of claims 1-8, the antenna being mounted within the housing.

10. A terminal device for a host of mobile communication, comprising the external antenna of claim 9, the host being electrically connected to the first board and the ground plane.