CN213304352U

CN213304352U - Antenna, wireless device and antenna applied to intelligent lamp

Info

Publication number: CN213304352U
Application number: CN202021463796.1U
Authority: CN
Inventors: 张银华; 寿晓栋; 王颖; 陈利欢; 陈雷
Original assignee: Hangzhou Tuya Information Technology Co Ltd
Current assignee: Hangzhou Tuya Information Technology Co Ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-05-28
Anticipated expiration: 2030-07-22

Abstract

The utility model relates to the technical field of antennas, especially relate to an antenna, wireless device and application, the antenna includes that at least two are range upon range of and are set up antenna group, dielectric layer and connecting piece, the antenna group includes short circuit stub, microstrip line, feeds in line and antenna main part, short circuit stub is connected with the antenna main part through the microstrip line, short circuit stub is used for being connected with the ground plate; the feed-in line is connected with the antenna main body and is used for feeding in electromagnetic wave signals; the dielectric layer is arranged between two adjacent antenna groups; the connecting piece is arranged in the medium layer and is connected with the micro-strip lines of the antenna groups of the two adjacent layers. The utility model discloses an antenna can be with at least two sets of antenna group electric connection, can reduce the area of antenna, avoids the antenna too big. The embodiment of the utility model provides an in short circuit stub and ground plate electric connection of antenna group can reduce the influence of external environment to the antenna.

Description

Antenna, wireless device and antenna applied to intelligent lamp

Technical Field

The utility model relates to an antenna technology field especially relates to an antenna, wireless device and application.

Background

In recent years, the market demand of intelligent house product increases greatly, and present thing networking module can be embedded carry out intelligent transformation in traditional equipment the inside, and based on miniaturized trend, intelligent module antenna surrounding environment is generally more abominable. For example, metal shielding exists, the antenna serves as a high-frequency component of an intelligent household product, the main function of the antenna is to receive and transmit electromagnetic wave signals, and the advantages of the dipole antenna are obvious. However, for smart home products, on-board dipole antennas cannot completely meet the requirements of various smart home products, and how to improve antennas so as to meet the requirements of smart home products is a challenge in antenna design nowadays

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides an antenna, wireless device and uses, makes the antenna can satisfy the demand of part intelligent house product.

In order to solve the above technical problem, a technical solution adopted by the present invention is to provide an antenna, including at least two stacked antenna groups, a dielectric layer and a connecting piece, wherein the antenna group includes a short-circuit stub, a microstrip line, a feed-in line and an antenna main body, the short-circuit stub is connected with the antenna main body through the microstrip line, and the short-circuit stub is used for connecting with a ground plate; the feed-in line is connected with the antenna main body and is used for feeding in electromagnetic wave signals; the dielectric layer is arranged between two adjacent antenna groups; the connecting piece is arranged in the medium layer and is connected with the micro-strip lines of the antenna groups of the two adjacent layers.

Wherein, the line that the antenna main part belonged to is the straight line.

Wherein the connector comprises a metalized via or a metal pad.

The connecting piece is arranged at one end of the microstrip line close to the antenna main body.

The grounding plate and the antenna body are arranged on the same layer.

Wherein, the diameter of the antenna body is 3-6 mm, and the length of the antenna body is 12-18 mm.

Wherein, the width of the microstrip routing is more than 20 mm.

Another technical solution adopted by the present invention is to provide a wireless device, including the above-mentioned antenna.

Wherein the wireless device is a 2.4GHz wireless device.

The antenna comprises the antenna, and is used for receiving electromagnetic wave signals and sending out electric signals to control a circuit of the intelligent lamp.

The utility model has the advantages that: be different from prior art's condition, the utility model discloses in, through setting up the antenna stack of two at least range upon range of settings for the impedance of antenna can be through increasing or reducing the quantity of the antenna stack of range upon range of settings in the test procedure, makes the antenna need not change the board in preparation and test procedure, can save research and development cost and prepare material time. The embodiment of the utility model provides an in, through setting up the connecting piece, can be with at least two sets of antenna group connection for at least two sets of antennas are parallelly connected. The occupied area of the antenna can be reduced, and the antenna is prevented from being too large.

Drawings

Fig. 1 is a schematic perspective view of an antenna according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a planar structure of an antenna according to an embodiment of the present invention.

10, an antenna group; 11. a short stub; 12. micro-strip routing; 13. feeding a wire; 14. an antenna main body; 15. a ground plate; 20. a dielectric layer; 30. a connecting member; 101. a first antenna group; 102. a second antenna group; 40. an antenna boundary; 41. a first antenna boundary; 42. A second antenna boundary.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only for illustrating the present invention, but do not limit the scope of the present invention. Similarly, the following embodiments are only some but not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

The terms "first" and "second," and the like in the description and claims of the present invention and the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Referring to fig. 1 and 2, fig. 1 is a schematic perspective view of an antenna according to an embodiment of the present invention, and fig. 2 is a schematic plan view of an antenna group of fig. 1.

The embodiment of the utility model provides an antenna, including at least two range upon range of setting up antenna group 10, dielectric layer 20 and connecting piece 30, antenna group 10 includes short circuit stub 11, microstrip is walked line 12, is fed in line 13 and antenna main body 14, and short circuit stub 11 is connected with antenna main body 14 through microstrip is walked line 12, and short circuit stub 11 is used for with ground plate 15 electric connection; the feed-in line 13 is connected with the antenna main body 14 and is used for feeding in electromagnetic wave signals; the dielectric layer 20 is arranged between two adjacent antenna groups 10; the connecting element 30 is disposed in the dielectric layer 20 and connects the microstrip traces 12 of the antenna groups 10 of two adjacent layers.

In the embodiment of the present invention, the "stacked arrangement" refers to a stacked arrangement along a direction perpendicular to a plane where the antenna group 10 is located.

The utility model discloses an above do the core content, through setting up the antenna stack 10 of two at least range upon range of settings for the impedance of antenna can be through increasing or reducing the quantity of the antenna stack 10 of range upon range of setting in order to satisfy the test requirement in the test procedure, makes the antenna need not change the board in preparation and test procedure, can save research and development cost and prepare material time. In the embodiment of the present invention, by providing the connecting member 30, at least two sets of antenna groups 10 can be connected, so that at least two sets of antennas are connected in parallel. The occupied area of the antenna can be reduced, and the antenna is prevented from being too large. The embodiment of the present invention provides a short-circuit stub 11 and a ground plate 15 electrically connected to the antenna group 10, which can reduce the influence of the external environment on the antenna, for example, can improve the influence of the external metal.

Specifically, in the embodiment of the present invention, the antenna group 10 is two layers, and for convenience of description, the two antenna groups 10 stacked in layers are the first antenna group 101 and the second antenna group 102, respectively, in the embodiment of the present invention, the first antenna group 101 and the second antenna group 102 all include the short-circuit stub line 11, the microstrip routing line 12, the feeding line 13 and the antenna main body 14. In other embodiments, the antenna group 10 may also have three or more layers, and specifically, the number of the antenna groups 10 may be set according to requirements. For example, when the antenna assembly 10 has three layers, the antenna assembly includes a first antenna assembly 101, a second antenna assembly 102, and a third antenna assembly (not shown) stacked in sequence, wherein a dielectric layer 20 is disposed between the first antenna assembly 101 and the second antenna assembly 102, a dielectric layer 20 is disposed between the second antenna assembly 102 and the third antenna assembly, and a connecting element 30 is disposed in each of the two dielectric layers 20, so that the connecting element 30 can electrically connect the first antenna assembly 101, the second antenna assembly 102, and the third antenna assembly.

As a preferred embodiment of the present invention, the first antenna set 101 and the second antenna set 102 are correspondingly disposed, specifically, the first antenna set 101 and the second antenna set 102 are overlapped in projection on the dielectric layer 20, and are correspondingly disposed through the first antenna set 101 and the second antenna set 102, so that the connecting component 30 is easy to be manufactured in the antenna manufacturing process, and is easy to be electrically connected to the first antenna set 101 and the second antenna set 102.

Specifically, in the embodiment of the present invention, the line on which the antenna main body 14 is located is a straight line. In other embodiments, the antenna body 14 may also be spring-shaped. The embodiment of the utility model provides an in, the antenna that antenna group 10 constitutes is on the basis based on monopole antenna, through on the basis with original monopole antenna, set up the microstrip and walked line 12 and short circuit stub 11, because microstrip walks line 12 and has the parallel compatibility, through being connected with short circuit stub 11, short circuit stub 11 is used for being connected with ground plate 15, short circuit stub 11 is equivalent to ground shunt inductance, the input reactance has been increased and input resistance has been reduced, make the antenna match more easily, can save the device cost to ground inductance of antenna. On the basis of the original monopole antenna, the monopole antenna is converted into the dipole antenna, so that the antenna can meet the slender effect of the monopole antenna, and the effect that the onboard dipole antenna is slightly influenced by surrounding metal can be achieved. The embodiment of the utility model provides an in, produce at the radio frequency and survey the calibration process, feed into line 13 and match to 50 ohm through high frequency inductance and high frequency electric capacity, then walk line 12 feed-in antenna main part 14 through the microstrip of 50 ohm impedance control. The embodiment of the utility model provides an in, can be with more than two sets of antenna group connection through connecting piece 30 to the resonance point is guaranteed in 2.4GHz in the regulation and control. The radio frequency production test calibration passing probability is improved, the yield of the antenna is improved, and the antenna test cost is reduced.

Wherein, the embodiment of the present invention provides an embodiment, the connecting piece 30 includes a metalized via hole, and in other embodiments, the connecting piece 30 can also be a metal pad, and electrically connect the two groups of antenna groups 10 by welding. In the embodiment of the present invention, a connecting piece 30 is disposed between the adjacent two-layer stacked antenna groups 10, so as to connect the two adjacent antenna groups 10, thereby realizing coaxial connection. The embodiment of the present invention provides a connecting member 30 perpendicular to the layer where the antenna group 10 is located, and penetrates through the dielectric layer 20, so as to reduce the manufacturing difficulty.

As a preferred embodiment of the present invention, the connecting element 30 is disposed at one end of the microstrip line 12 close to the antenna main body 14. Specifically, in the embodiment of the utility model provides an in, 12 one ends of microstrip line are connected with antenna main part 14's one end, and the other end of microstrip line 12 is connected with short circuit stub 11, presents into line 13 and antenna main part 14 and is close to microstrip line 12 one end department and is connected, the embodiment of the utility model provides a through setting up connecting piece 30 in microstrip line 12 and be close to antenna main part 14 one end for connecting piece 30 sets up in the junction of microstrip line 12 and antenna main part 14, makes manufacturing method simple, does not influence the whole use of antenna group 10.

As a preferred embodiment of the present invention, the microstrip routing line 12 and the short stub line 11 are integrally disposed, so that the antenna manufacturing method is simple. In other embodiments, the microstrip trace 12 may be connected with the short stub 11 by welding.

The embodiment of the utility model provides an in, ground plate 15 and antenna main body 14 are with the layer setting, and ground plate 15 is the conducting layer, the embodiment of the utility model provides an in, ground plate 15 is as a part of antenna group 10, and the ground attribute network becomes a part of antenna, reduces the interference of metal on every side simultaneously under the condition that does not increase cost, the embodiment of the utility model provides an in, feed-in line 13 is as the arm that shakes of monopole antenna, and ground plate 15 can regard as the second arm that shakes of monopole antenna, and the gain and the efficiency of reinforcing antenna reduce the influence of surrounding environment, increase simultaneously and produce line straight rate. Specifically, the embodiment of the present invention provides a ground plate 15 can be made of metal material, more specifically, the material of ground plate 15 of the embodiment of the present invention is copper, and in other embodiments, the material of ground plate 15 can also be silver, aluminum, iron, or alloy thereof. In an embodiment of the present invention, the material of the antenna set 10 is copper, which can reduce the difficulty of manufacturing the antenna set 10.

In the embodiment of the present invention, the diameter of the antenna main body 14 is 3-6 mm, and the length of the antenna main body 14 is 12-18 mm. Specifically, in the embodiment of the present invention, the diameter of the antenna main body 14 is 4 mm, the length of the antenna main body 14 is 14 mm, and in other embodiments, the diameter of the antenna main body 14 may also be 3 mm, 3.5 mm, 5 mm, or 6 mm, etc.; the length of the antenna body 14 may also be 12 mm, 18 mm, 17 mm, 16 mm, 15 mm, 13 mm, and 13.5 mm. The embodiment of the utility model provides an in, the length of antenna main part 14 is within 2 centimetres, and the diameter of antenna main part 14 is less for the antenna stack 10 that forms is whole less, the embodiment of the utility model provides an antenna constitutes through the antenna stack 10 that two-layer or multilayer range upon range of setting, makes the antenna that forms can extend along perpendicular to antenna stack 10 place plane direction, makes the antenna size that forms less, does not influence the design of intelligent house product.

In the embodiment of the present invention, in order to guarantee the bandwidth and the efficiency of antenna, the width of microstrip line 12 is greater than 20 millimeters. In the embodiment of the present invention, the microstrip trace 12 is disposed along the length direction of the antenna main body 14.

Specifically, in the embodiment of the present invention, the short stub 11 and the feeding line 13 are both in a long strip shape, and are equally disposed perpendicular to the length direction of the antenna main body 14.

Specifically, in the embodiment of the present invention, the dielectric layer 20 is a non-conductive layer, which can prevent a short circuit from being formed between the antenna groups 10. The antenna group 10 in the embodiment of the present invention further includes an antenna boundary 40, as shown in fig. 1, the antenna boundary 40 is disposed at both end sides of the antenna group 10 in the stacked arrangement. For illustrative purposes, the antenna boundary 40 includes a first antenna boundary 41 and a second antenna boundary 42, wherein the first antenna boundary 41 is disposed on a side of the first antenna group 101 away from the second antenna group 102, and the second antenna boundary 42 is disposed on a side of the second antenna group 102 away from the first antenna group 101.

Another technical solution adopted by the present invention is to provide a wireless device, including the above-mentioned antenna. The embodiment of the utility model provides, the embodiment of the utility model provides an in wireless device also includes the remote controller that matches each other with the antenna, specifically, the embodiment of the utility model provides an in the remote controller is hand-held type remote controller, more specifically, the embodiment of the utility model provides an in the remote controller be hand-held type wireless remote controller.

Wherein, in the embodiment of the utility model provides an in, wireless device is 2.4GHz wireless device.

The antenna comprises the antenna, and is used for receiving electromagnetic wave signals and sending out electric signals to control a circuit of the intelligent lamp. Specifically, the embodiment of the utility model provides an when the antenna is applied to the smart lamp, can be used for receiving electromagnetic wave signal to control opening or closing of smart lamp. The embodiment of the utility model provides an in place the intelligent lamp in the antenna, the antenna is less, can extend along the direction of perpendicular to antenna group 10 for the antenna that forms is long and thin, when arranging the intelligent lamp in, can not show the emergence of the phenomenon that has the shadow because of the great intelligent lamp that causes of antenna. And simultaneously, the utility model discloses when the antenna is applied to the smart lamp, can improve monopole antenna's performance, reduce the metal and disturb it, and the antenna is simple at the manufacturing process in-process method, and easily adjustment test makes it accord with the demand.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An antenna, comprising:

the antenna comprises at least two stacked antenna groups (10), wherein each antenna group (10) comprises a short-circuit stub (11), a micro-strip trace (12), a feed-in line (13) and an antenna body (14), the short-circuit stub (11) is connected with the antenna body (14) through the micro-strip trace (12), and the short-circuit stub (11) is used for being connected with a ground plate (15); the feed-in line (13) is connected with the antenna main body (14) and is used for feeding in electromagnetic wave signals;

the dielectric layer (20) is arranged between two adjacent antenna groups (10);

the connecting piece (30) is arranged in the dielectric layer (20) and is connected with the microstrip lines (12) of the antenna groups (10) of the two adjacent layers.

2. An antenna according to claim 1, characterized in that the line on which the antenna body (14) is located is straight.

3. An antenna according to claim 1, characterized in that the connection (30) comprises a metallized via or a metal pad.

4. The antenna of claim 1, wherein the connector (30) is disposed at an end of the microstrip trace (12) adjacent to the antenna body (14).

5. The antenna according to claim 1, characterized in that the ground plane (15) is arranged in the same layer as the antenna body (14).

6. The antenna of claim 2, wherein the diameter of the antenna body (14) is between 3-6 mm and the length of the antenna body (14) is between 12-18 mm.

7. The antenna according to claim 1, characterized in that the width of the microstrip trace (12) is larger than 20 mm.

8. A wireless device, characterized in that it comprises an antenna according to any of claims 1-7.

9. The wireless device of claim 8, wherein the wireless device is a 2.4GHz wireless device.

10. An antenna for use in a smart lamp, the antenna comprising an antenna according to any of claims 1 to 7 for receiving electromagnetic wave signals and emitting electrical signals to control the circuitry of the smart lamp.