WiFi antenna in intelligent switch panel

Abstract

The utility model relates to a WiFi antenna in an intelligent switch panel, which comprises a dielectric substrate, a first radiation oscillator is arranged on the middle upper area of the dielectric substrate, a second radiation oscillator coupled with the first radiation oscillator is arranged on the lower area of the dielectric substrate, a feed-in port is arranged on the first radiation oscillator, and a feed-out port is arranged on the second radiation oscillator. The feed-in port is electrically connected with a corresponding switch mainboard through a coaxial cable, and the lower part of the second radiation oscillator is provided with a grounding end. The antenna provided by the utility model has a relatively high bandwidth, can meet the requirement on the use frequency of the antenna, is relatively small in size due to the adoption of the patch antenna structure, is favorable for being integrated in switch panel equipment, and is good in applicability.

Description

Technical Field

[0001] The utility model relates to the technical field of wireless communications, and in particular to a WiFi antenna in an intelligent switch panel. Background Art

[0002] Nowadays, more and more home appliances and other electronic devices can realize corresponding remote functions by connecting to smartphones. At present, many TVs or air conditioners can be turned on and off, change channels and control the temperature through mobile phone connection, which truly realizes smart home. At the same time, the development of intelligence is not limited to these ordinary household appliances. Smart connection of mobile phone WiFi can also be realized on some switches, sockets, and other lights. Therefore, according to the large market demand, it is necessary to design a WiFi patch antenna for switch panels. Utility Model Content

[0003] The purpose of the utility model is to overcome the problems existing in the prior art and provide a WiFi antenna in an intelligent switch panel.

[0004] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0005] A WiFi antenna in an intelligent switch panel includes a dielectric substrate, a first radiating vibrator is arranged in the middle and upper area of ​​the dielectric substrate, a second radiating vibrator coupled to the first radiating vibrator is arranged in the lower area of ​​the dielectric substrate, a feeding port is arranged on the first radiating vibrator, the feeding port is electrically connected to the corresponding switch mainboard through a coaxial cable, and a grounding terminal is arranged at the bottom of the second radiating vibrator.

[0006] Furthermore, a grounding copper foil is connected to the grounding end of the second radiating element, and the grounding copper foil is electrically connected to a corresponding product reference ground end.

[0007] Furthermore, the feeding port is located at the bottom center of the first radiating element, and a first groove and a second groove are symmetrically provided on the first radiating element on both sides of the feeding port to facilitate tuning of the antenna length.

[0008] Furthermore, a third groove is formed between the first radiating element and the second radiating element, for isolating the first radiating element from the second radiating element.

[0009] Furthermore, the first groove and the second groove are rectangular, with a length of 6 mm and a width of 2 mm, and the length direction is perpendicular to the second radiation vibrator.

[0010] Furthermore, the third groove is rectangular, with a length of 25 mm and a width of 3 mm, and the length direction is parallel to the second radiation vibrator.

[0011] Furthermore, the material of the dielectric substrate is FR4, and the dielectric constant is 4.4.

[0012] The beneficial effects of the utility model are:

[0013] The antenna of the utility model has a relatively high bandwidth, and can meet the requirements of the antenna use frequency. Moreover, due to the adoption of a patch antenna structure, the antenna has a relatively small size, and is conducive to integration into a switch panel device, and has good applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the main structural diagram of the utility model;

[0015] Figure 2 This is a split structure diagram of the utility model;

[0016] Figure 3 This is a three-dimensional assembly structure diagram of the utility model;

[0017] Figure 4 It is the return loss diagram of the antenna of the utility model;

[0018] Figure 5 This is a diagram of the passive efficiency of the antenna of the present utility model.

[0019] Explanation of the numbers in the figure: 1. dielectric substrate, 11. third groove, 2. second radiating oscillator, 3. first radiating oscillator, 31. first groove, 32. second groove, 4. feeding port, 5. grounding copper foil, 6. coaxial cable. DETAILED DESCRIPTION

[0020] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0021] like Figures 1 to 3 As shown, a WiFi antenna in an intelligent switch panel includes a dielectric substrate 1, a first radiating vibrator 3 is arranged on the middle and upper area of ​​the dielectric substrate 1, in this embodiment, the first radiating vibrator 3 is a rectangle with a length of 25 mm and a width of 15 mm as a whole, and a frequency of 2.4 GHz, and a second radiating vibrator 2 coupled to the first radiating vibrator 3 is arranged on the lower area of ​​the dielectric substrate 1, a feeding port 4 is arranged on the first radiating vibrator 3, and the feeding port 4 is electrically connected to the corresponding switch mainboard through a coaxial cable 6, and a grounding terminal is arranged at the lower part of the second radiating vibrator 2.

[0022] A grounding copper foil 5 is connected to the grounding end of the second radiating element 2 , and the grounding copper foil 5 is electrically connected to a corresponding product reference ground end.

[0023] The feeding port 4 is located at the bottom center of the first radiating element 3 , and a first groove 31 and a second groove 32 are symmetrically provided on the first radiating element 3 on both sides of the feeding port 4 , so as to facilitate tuning of the antenna length.

[0024] A third groove 11 is formed between the first radiating element 3 and the second radiating element 2 for isolating the first radiating element 3 from the second radiating element 2 .

[0025] The first groove 31 and the second groove 32 are rectangular, with a length of 6 mm and a width of 2 mm, and the length direction is perpendicular to the second radiation vibrator 2 .

[0026] The third groove 11 is rectangular, with a length of 25 mm and a width of 3 mm, and the length direction is parallel to the second radiation vibrator 2 .

[0027] The dielectric substrate 1 is made of FR4, and has a dielectric constant of 4.4.

[0028] like Figure 4 As shown in the figure, this is the return loss diagram of the antenna. From the S parameter point of view, the antenna has a very good bandwidth. The return loss from 2.4GHz to 2.5GHz can reach below -10dB, the bandwidth is about 1GHz, the lowest resonance point is at 2.43GHz, and the return loss at the trough reaches -32dB.

[0029] like Figure 5 As shown, the passive efficiency of the antenna is about -2.3 to -2.2, which is high in efficiency and its performance is sufficient to meet daily use.

[0030] In addition, it should be noted that, unless otherwise specified or indicated, the terms "first", "second", "third", etc. in the specification are only used to distinguish the various components, elements, steps, etc. in the specification, and are not used to indicate the logical relationship or sequential relationship between the various components, elements, steps, etc.

[0031] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A WiFi antenna in an intelligent switch panel, comprising a dielectric substrate (1), characterized in that: A first radiating element (3) is arranged on the upper middle region of the dielectric substrate (1); a second radiating element (2) coupled to the first radiating element (3) is arranged on the lower region of the dielectric substrate (1); a feeding port (4) is arranged on the first radiating element (3); the feeding port (4) is electrically connected to a corresponding switch mainboard via a coaxial cable (6); and a grounding terminal is arranged at the lower portion of the second radiating element (2).

2. The WiFi antenna in the intelligent switch panel according to claim 1, characterized in that: A grounding copper foil (5) is connected to the grounding end of the second radiating element (2), and the grounding copper foil (5) is electrically connected to a corresponding product reference ground end.

3. The WiFi antenna in the intelligent switch panel according to claim 2, characterized in that: The feed port (4) is located at the bottom center of the first radiating element (3), and a first groove (31) and a second groove (32) are symmetrically provided on the first radiating element (3) on both sides of the feed port (4) to facilitate tuning of the antenna length.

4. The WiFi antenna in the intelligent switch panel according to claim 3, characterized in that: A third groove (11) is formed between the first radiating element (3) and the second radiating element (2), and is used to isolate the first radiating element (3) from the second radiating element (2).

5. The WiFi antenna in the intelligent switch panel according to claim 4, characterized in that: The first groove (31) and the second groove (32) are rectangular, and have a length of 6 mm and a width of 2 mm, and the length direction is perpendicular to the second radiation vibrator (2).

6. The WiFi antenna in the intelligent switch panel according to claim 4, characterized in that: The third groove (11) is rectangular, has a length of 25 mm and a width of 3 mm, and its length direction is parallel to the second radiation oscillator (2).

7. The WiFi antenna in the intelligent switch panel according to claim 1 or 6, characterized in that: The material of the dielectric substrate (1) is FR4, and the dielectric constant is 4.4.

Images