CN206076490U - Electronic installation and antenna structure - Google Patents

Abstract

The utility model provides an electronic device, which comprises a device main body and an antenna structure flatly installed on the device main body. The antenna structure includes an insulating substrate, a planar antenna and two bracket antennas arranged on the insulating substrate. The planar antenna includes an isosceles triangular radiation block and two transmission sections, two high-frequency sections, and two feed-in sections respectively located on opposite sides of the radiation block. The vertex angle of the radiating block is 80-110 degrees, and the two transmission sections are respectively connected to two waists of the radiating block and adjacent to the vertex. One end of the two high-frequency bands is respectively connected to the two transmission segments, and the other end is located away from the top corner. The two feed-in sections are respectively connected to the other ends of the two high-frequency sections and adjacent to the two waists. The two bracket antennas are respectively located on opposite sides of the radiation block and are inserted parallel to each other on the insulating substrate, and the two bracket antennas are respectively connected to the other ends of the two high-frequency bands.

Description

Electronic device and antenna structure

technical field

The utility model relates to an antenna, in particular to an electronic device and an antenna structure.

Background technique

Traditionally, antennas that support surface mount technology (SMT) can be fabricated using printed circuit board or ceramic processes. Antennas made using printed circuit boards have higher dielectric loss, while ceramic antennas have narrower bandwidths. In addition, when the antenna made of metal parts is applied to the surface mount technology, it is necessary to overcome the support problem of the antenna on the substrate. A traditional metal plate antenna uses a non-conductive support frame (such as a sponge) to allow the metal plate antenna to stand stably on the substrate. However, for the application of surface mount technology, non-conductive support frames such as sponges are usually not heat-resistant, and cannot withstand the temperature of the high-temperature tin furnace commonly used in surface mount technology.

In view of this, Taiwan's No. M467193 utility model patent is used to improve the above problems. However, the antenna structure proposed in Figure 5 of the above-mentioned new patent still has problems that need to be improved. For example, the radiation patterns generated by the two metal plate antennas are in the same direction, so it is easy to have serious mutual interference and easy to generate dead angles. and so on.

Therefore, the inventor feels that the above-mentioned defects can be improved, so Naite devoted himself to research and combined with the application of scientific principles, and finally proposed a utility model with reasonable design and effective improvement of the above-mentioned defects.

Utility model content

The utility model aims to provide an electronic device and an antenna structure, which are used to improve the above-mentioned problems that may occur in the existing antenna structure.

The utility model discloses an electronic device, comprising: a device main body having a display surface and an installation side opposite to the display surface; The structure includes: an insulating substrate with a first board surface and a second board surface on opposite sides, and the insulating substrate is formed with four insertion holes; a planar antenna covers the first board surface, The planar antenna includes: a main body having a radiation block approximately in the shape of an isosceles triangle, an apex angle of the radiation block is approximately 80° to 110°, and two The first board surface outside the waist is respectively defined as two sub-boards, and the four insertion holes are respectively located on the two sub-boards; the two transmission sections are respectively arranged on the two sub-boards. On the sub-board surface, the two transmission sections are respectively connected to the two waists and adjacent to the apex; two high-frequency sections are respectively arranged on the two sub-board surfaces, and one end of the two high-frequency sections respectively connected to the two transmission sections, and the other ends of the two high-frequency sections are located at the two socket holes away from the apex; and two feed-in sections are connected to the two high-frequency sections respectively. The other end of the frequency band is adjacent to the two waists; and the two bracket antennas are roughly U-shaped and each has two plug-in ends, and the four plug-in ends are respectively inserted in four the socket holes, and the two bracket antennas are parallel to each other.

The utility model also discloses an antenna structure, comprising: an insulating substrate with a first plate surface and a second plate surface located on opposite sides, and the insulating substrate is formed with four insertion holes; a planar antenna, Covering the first board surface, the planar antenna includes: a main body having a radiation block approximately in the shape of an isosceles triangle, a vertex angle of the radiation block is approximately 80° to 110°, and The first board parts located outside the two waists of the radiation block are respectively defined as two sub-boards, and the four insertion holes are respectively located on the two sub-boards; the two transmission sections, respectively arranged on the two sub-board surfaces, and the two transmission sections respectively connected to the two waists and adjacent to the top corners; two high-frequency sections, respectively arranged on the two sub-board surfaces , one ends of the two high-frequency sections are respectively connected to the two transmission sections, and the other ends of the two high-frequency sections are located at the two socket holes away from the apex; and two feed-in sections , respectively connected to the other ends of the two high-frequency sections and respectively adjacent to the two waists; The insertion ends are respectively inserted into the four insertion holes, and the two bracket antennas are parallel to each other.

To sum up, the electronic device and the antenna structure disclosed in the embodiments of the present invention pass through the planar antenna in the antenna structure (such as the isosceles triangle-shaped radiation block with a vertex angle of 80° to 110°). Cooperating with the bracket antenna, it can make the antenna structure radiate to form a mutually orthogonal radiation pattern, so as to improve the problems of mutual interference and easy reception dead angle.

Description of drawings

FIG. 1 is a schematic diagram of the electronic device of the present invention.

Fig. 2 is a three-dimensional schematic diagram of the antenna structure of the present invention.

FIG. 3 is an exploded schematic diagram of FIG. 2 .

FIG. 4 is an exploded schematic view from another perspective of FIG. 2 .

FIG. 5 is a schematic plan view of the antenna structure of the present invention omitting the bracket antenna.

FIG. 6 is a schematic plan view of FIG. 2 .

In the picture:

100: Antenna structure

1: Insulating substrate

11: The first board

111: short side

112: long side

113: Second board surface

12: Second board

13: socket hole

2: Planar antenna

21: Main Department

211: Radiation block

2111, 2111': vertices

2112: Waist

2113: L-shaped notch

212: Ground block

22: Transmission segment

23: High frequency band

24: Feed-in section

3: bracket antenna

31: Plug-in end

4: Test connector

5: Signal processing chip

6: External connector

200: device body

201: Installation side

θ1: Vertex angle

θ2: bottom angle

L: Angle bisector

detailed description

In order to make the above purpose, features and advantages of the present utility model more obvious and understandable, the specific implementation of the present utility model will be described in detail below in conjunction with the accompanying drawings.

Please refer to Fig. 1 to Fig. 6, which are embodiments of the present utility model. What needs to be explained first is that this embodiment corresponds to the relevant quantities and shapes mentioned in the accompanying drawings, and is only used to specifically illustrate the implementation of the present utility model. , in order to understand the content of the utility model, but not to limit the protection scope of the utility model.

As shown in FIG. 1 , this embodiment discloses an electronic device, and the above-mentioned electronic device is described as a TV product that has network connection capability or provides a simplified operating system in this embodiment, but is not subject to limited to this. The electronic device includes a device body 200 and an antenna structure 100 built in the device body 200 . Wherein, the device main body 200 has a display surface (not shown) and an installation side 201 opposite to the display surface, and the antenna structure 100 is installed on the installation side 201 of the above-mentioned device main body 200 in a flat manner.

Furthermore, the antenna structure 100 in this embodiment is a Wi-Fi antenna structure matched with the device main body 200, and the antenna structure 100 can generate mutually orthogonal and respectively towards the bottom left of the device main body 200 when radiating. The radiation field pattern of the corner and the lower right corner, but the utility model is not limited thereto. In addition, the antenna structure 100 of this embodiment can also be independently applied to other electronic devices, and is not limited to the device main body 200 shown in the figure.

It should be noted that the antenna structure 100 is applied to a dual-band WiFi module in this embodiment. Through the unique structural design of the present invention (eg, the planar antenna 2 described below), the antenna structure 100 has good radiation efficiency in the WiFi frequency band. Furthermore, when the electronic device of this embodiment performs the signal throughput (Through Put) test in the low-frequency band and high-frequency band, the antenna structure 100 can be in the range of 360 degrees, and there is roughly no receiving dead angle. operate.

As shown in Figures 2 to 6, the antenna structure 100 includes a substantially rectangular insulating substrate 1, a planar antenna 2, two support antennas 3, a test connector 4, a signal processing chip 5, and an external connector 6. Wherein, the insulating substrate 1 has a first board surface 11 and a second board surface 12 on opposite sides, and the insulating substrate 1 is formed with four sockets penetrating from the first board surface 11 to the second board surface 12. Hole 13. Furthermore, the first board surface 11 is rectangular and has two short sides 111 and two long sides 112, and the above four insertion holes 13 are respectively adjacent to the two long sides 112 of the first board surface 11, In addition, two insertion holes 13 adjacent to different long sides 112 and facing each other are adjacent to one short side 111 of the first board surface 11 .

The planar antenna 2 covers the first surface 11 of the above-mentioned insulating substrate 1, and the planar antenna 2 is integrally formed in this embodiment, but it is not limited thereto. The planar antenna 2 includes a main body 21 , two transmission sections 22 , two high-frequency sections 23 , and two feed-in sections 24 .

Wherein, the main body portion 21 has a radiating block 211 approximately in the shape of an isosceles triangle and a grounding block 212 connected to the bottom of the radiating block 211 . A vertex angle θ1 of the radiating block 211 is approximately 80 degrees to 110 degrees, and the vertex 2111 where the vertex angle θ1 is located is located in the approximate center of one of the short sides 111 of the first panel 11, while the other two vertices 2111' Then they are respectively located on (approximately the center of) the two long sides 112 of the first board surface 11 . The edges of the grounding block 212 are aligned with the edges of the first board 11 , so the main body 21 roughly occupies 75% of the area of the first board 11 .

Further, the two waists 2112 of the radiating block 211 are each recessed with an L-shaped notch 2113 toward the grounding block 212, and each of the waists 2112 is recessed to form the position of the L-shaped notch 2113, which is consistent with the above-mentioned grounding block 212. The distance between the apex 2111 where the apex angle θ1 is located is not less than half the length of any waist 2112, but not limited thereto. Moreover, the parts of the first panel 11 located outside the two waists 2112 of the radiation block 211 are respectively defined as two sub-panels 113, and the four insertion holes 13 are respectively located on the above two Second board surface 113 .

The two transmission sections 22 are linear and are respectively disposed on the two sub-surfaces 113 . The two transmission sections 22 are respectively connected to the two waists 2112 of the radiation block 211 and are adjacent to the apex angle θ1 . Furthermore, the angle formed between each transmission segment 22 and the connected waist 2112 is equal to a base angle θ2 of the radiation block 211 . Each waist 2112 is connected to a position corresponding to the transmission section 22 , and the distance between it and the vertex 2111 where the vertex angle θ1 is located is 1/3 to 1/4 of the length of any waist 2112 .

The two high-frequency sections 23 are straight and arranged on the two sub-board surfaces 113 respectively, and one ends of the two high-frequency sections 23 (like the top of the high-frequency section 23 in FIG. 6 ) are respectively (approximately vertically) connected to The two transmission sections 22, and the other ends of the two high frequency sections 23 (such as the bottom end of the high frequency section 23 in FIG. 6 ) are located at the two insertion holes 13 away from the apex angle θ1. Wherein, the two high-frequency segments 23 are parallel to any long side 112 of the radiation block 211, and the distance between the other end of each high-frequency segment 23 and the apex 2111 where the apex angle θ1 is located is greater than each waist 2112 mentioned above The distance between the position where the L-shaped notch 2113 is formed and the apex 2111 where the apex angle θ1 is located is set, but the present invention is not limited thereto.

The two feed-in sections 24 are respectively connected to the other ends of the two high-frequency sections 23 (such as the bottom end of the high-frequency section 23 in FIG. 6 ) and are respectively adjacent to the two waists 2112 for signal feed-in. for. Wherein, the two feed-in sections 24 respectively extend into the two L-shaped notches 2113 from the other ends of the above-mentioned two high-frequency sections 23 in this embodiment, but it is not limited thereto.

The two bracket antennas 3 are roughly U-shaped and each has two insertion ends 31 , and the four insertion ends 31 are respectively inserted into the four insertion holes 13 of the insulating substrate 1 . That is to say, one of the plug-in ends 31 of each bracket antenna 3 is connected to the other end of the adjacent high-frequency section 23 (eg, the bottom end of the high-frequency section 23 in FIG. 6 ). Furthermore, the above-mentioned two inserted bracket antennas 3 are parallel to each other and their length direction is parallel to any long side 112 of the first board surface 11 . The two high-frequency bands 23 are approximately respectively located in two projected areas formed by the two stent antennas 3 being orthographically projected toward the first surface 11 of the insulating substrate 1 . In addition, the planar antenna 2 and the two bracket antennas 3 are roughly mirror-symmetrical to the angle bisector L of the apex angle θ1 in this embodiment (as shown in FIG. 5 and FIG. 6 ).

In more detail, the low-frequency signal input from the feed-in section 24 will be coupled to the transmission section 22 through the support antenna 3, and then passed to the radiation block 211 and the ground block 212; and the high-frequency signal input from the feed-in section 24 The high-frequency signal passes through the high-frequency section 23 along the transmission section 22 , and then is transmitted to the radiation block 211 and the ground block 212 . Therefore, the roughly isosceles triangular radiating block 211 can adjust the antenna parts located on its two outer sides, so that when the antenna structure 100 radiates, it generates radiation that is orthogonal to each other and respectively directed to the lower left corner and the lower right corner of the device main body 200. field type.

The two test connectors 4 are installed on the radiation block 211 , and the two test connectors 4 are electrically connected to the two feed-in sections 24 respectively. Furthermore, in this embodiment, the two test connectors 4 are respectively connected to the ends of the two feed-in sections 24 extending into the two L-shaped notches 2113 .

In this way, the manufacturer of the antenna structure 100 can first connect the above two test connectors 4 with a test device (not shown in the figure) before the antenna structure 100 is installed on the device main body 200, and through the above test device The actual test of the planar antenna 2 and the bracket antenna 3 is carried out, so as to prevent the damaged antenna structure 100 from being installed on the device main body 200 and cause more serious follow-up maintenance problems.

The signal processing chip 5 and the external connector 6 are mounted on the radiation block 211, and the signal processing chip 5 is electrically connected to the two feeding sections 24 respectively via two lines (not shown in the figure), so The two test connectors 4 are respectively connected to the above two lines. Furthermore, the external connector 6 is electrically connected to the signal processing chip 5 , and the antenna structure 100 is electrically connected to the device main body 200 through the external connector 6 .

Thereby, when the antenna structure 100 is confirmed to be good through the test of the above test equipment, the antenna structure 100 can connect the external connector 6 and the device main body 200 through a transmission cable (as shown in FIG. 1 ), so that the antenna structure 100 Relevant signals can be processed by the signal processing chip 5 and provided to the device main body 200 .

The above description is only a preferred feasible embodiment of the utility model, and it is not used to limit the scope of the patent of the utility model. coverage.

Claims (10)

1. An electronic device, comprising: a device body having a display surface and a mounting side opposite the display surface; and An antenna structure, installed flat on the installation side, the antenna structure includes: an insulating substrate, having a first board surface and a second board surface on opposite sides, and the insulating substrate is formed with four insertion holes; A planar antenna, covering the first board surface, the planar antenna includes: A main body having a radiating block in the form of an isosceles triangle, a vertex angle of the radiating block is 80° to 110°, and the first plate located outside the two waists of the radiating block The surface parts are respectively defined as two sub-board surfaces, and the four insertion holes are respectively located on the two sub-board surfaces; Two transmission sections are respectively arranged on the two sub-surfaces, and the two transmission sections are respectively connected to the two waists and adjacent to the top corners; Two high-frequency sections are respectively arranged on the two sub-board surfaces, one ends of the two high-frequency sections are respectively connected to the two transmission sections, and the other ends of the two high-frequency sections are located away from the apex two of said sockets; and Two feed-in segments are respectively connected to the other ends of the two high-frequency segments and adjacent to the two waists; and The two bracket antennas are U-shaped and each has two insertion ends, the four insertion ends are respectively inserted into the four insertion holes, and the two bracket antennas are parallel to each other. 2. The electronic device as claimed in claim 1, wherein each of said waists is connected to a position corresponding to said transmission section, and the distance between it and the apex where said vertex corner is located is the length of any one of said waists 1/3 to 1/4; the first board surface is rectangular and has two short sides and two long sides, and the apex where the vertex is located is located on one of the short sides of the first board surface The center of the side, and the length direction of each of the bracket antennas is parallel to any of the long sides. 3. The electronic device according to claim 1, wherein the two transmission sections are vertically connected to the two high-frequency sections respectively, and each transmission section and the waist connected to it form a The angle of is equal to the angle of a base angle of the radiation block. 4 . The electronic device according to claim 1 , wherein the two high-frequency bands are respectively located in two projection areas formed by orthographic projection of the two bracket antennas toward the insulating substrate. 5. The electronic device as claimed in claim 1, wherein each of the two waists is concavely provided with an L-shaped notch, and the two feed-in sections respectively extend from the other ends of the two high-frequency sections into two Inside the L-shaped notch. 6. The electronic device as claimed in claim 1, wherein the main body has a ground block connected to the bottom edge of the radiating block, and the antenna structure includes two antennas mounted on the radiating block. a test connector, and the two test connectors are respectively electrically connected to the two feed-in segments. 7. The electronic device as claimed in claim 6, wherein the antenna structure includes a signal processing chip and an external connector installed in the radiation block, and the signal processing chip is respectively connected via two lines Electrically connected to the two feed-in sections, the two test connectors are respectively connected to the two lines, the external connector is electrically connected to the signal processing chip, and the antenna structure passes through the The external connector is electrically connected to the main body of the device. 8. The electronic device according to any one of claims 1 to 7, wherein the antenna structure is further defined as a Wi-Fi antenna structure matched to the device main body, and the antenna structure can generate Radiation patterns that are orthogonal to each other and are respectively directed to the lower left corner and the lower right corner of the main body of the device are formed. 9. The electronic device according to any one of claims 1 to 7, wherein the planar antenna and the two bracket antennas are mirror-symmetrical to the angle bisector of the top angle, and the antenna structure is suitable for WiFi band. 10. An antenna structure comprising: an insulating substrate, having a first board surface and a second board surface on opposite sides, and the insulating substrate is formed with four insertion holes; A planar antenna, covering the first board surface, the planar antenna includes: A main body having a radiating block in the form of an isosceles triangle, a vertex angle of the radiating block is 80° to 110°, and the first plate located outside the two waists of the radiating block The surface parts are respectively defined as two sub-board surfaces, and the four insertion holes are respectively located on the two sub-board surfaces; Two transmission sections are respectively arranged on the two sub-surfaces, and the two transmission sections are respectively connected to the two waists and adjacent to the top corners; Two high-frequency sections are respectively arranged on the two sub-board surfaces, one ends of the two high-frequency sections are respectively connected to the two transmission sections, and the other ends of the two high-frequency sections are located away from the apex two of said sockets; and Two feed-in segments are respectively connected to the other ends of the two high-frequency segments and adjacent to the two waists; and The two bracket antennas are U-shaped and each has two insertion ends, the four insertion ends are respectively inserted into the four insertion holes, and the two bracket antennas are parallel to each other.