TWM495630U - Two-stage antenna using rotatable shaft to alter radiation field distribution and the wireless device thereof - Google Patents

Description

Two-stage antenna for changing radiation field using rotating shaft and wireless device thereof

The present invention relates to a two-stage antenna that uses a rotating shaft to change a radiation field, in particular, a pivoting connection of a first branch and a second branch by means of a rotating shaft, so that the branches can self-gravity The configuration of a monopole antenna or an inverted L antenna is maintained to produce a two-segment antenna of a corresponding radiation pattern.

According to the antenna, an electric conductor or a conductive system capable of emitting electromagnetic energy into or receiving electromagnetic energy from a space is often used in various wireless communication devices, such as a wireless network sharer ( Wireless Access Point, WAP). Generally speaking, the antenna radiates electromagnetic energy in all directions at the same time, so that the wireless signal formed by the electromagnetic energy can be received by other electronic devices at the far end, and according to different antenna structures, the transmission performance of the wireless signal in different directions is also The difference, the graphical display of this feature is the "radiation pattern".

Depending on the type of radiation field, the antenna can be roughly classified into an Omni-directional antenna and a Directional antenna. Currently, most common wireless network sharers on the market use an omnidirectional antenna, and the structure can be Subdivided into "Monopole Antenna", "Dipole Antenna", etc., looking down from the top of the antenna, the radiation pattern is like a "doughnut", that is, a signal in the horizontal direction. The intensity balance is stable, but the signal strength in the vertical direction is relatively weak. This radiation field is characterized by the angle of radiation For 360°, the wireless signal can be sent out without any dead angle. However, since the radiant energy is evenly dispersed in all directions, the wireless signal is easily attenuated due to factors such as distance, height, building shielding, etc., resulting in certain orientations. There will be a problem with insufficient signal strength. Although the antenna of the wireless network sharer is mostly provided with a rotating shaft, the user can adjust the installation angle of the whole antenna, but the degree of improvement is still limited due to the characteristics of the radiation field type.

In addition, the structure of the directional antenna includes an inverted-L antenna, an inverted-F antenna, etc., which can transmit a high-intensity wireless signal in a specific direction. Compared with an omnidirectional antenna, a directional antenna is more suitable for use in a space-wide factory building or warehouse. To ensure the stability of the signal in a single direction, but also because the directional antenna can only send wireless signals in a single direction, the application level and restrictions are more, so there will be few operators in the wireless network sharer The antenna is designed as a directional antenna. However, in recent years, with the increasing popularity of wireless network technology, the demand for wireless network sharers is increasing. Although the omnidirectional antenna has no dead angle in the radiation angle, there are too many obstacles in a place. Under the above, the wireless signal will still be significantly attenuated due to the aforementioned various interference factors, so that it cannot be smoothly spread to every corner.

In order to solve the problem that the omnidirectional antenna is susceptible to obstacle interference and rapidly attenuate the wireless signal, in a large place (such as a shopping mall, a warehouse, etc.), the operator will set the wireless network sharer on the wall or the ceiling ( The following are referred to as "wall-mounted" and "hanging" to avoid obstacles in the environment as much as possible to ensure the transmission strength of wireless signals. The creator found that when the wireless network sharer is installed on the wall, because it is not located at the center of the place, it is difficult to receive the wireless signal in the place relative to the other end of the wireless network sharer. That is, the "wall-mounted" wireless network sharer should be equipped with a directional antenna, which can be used for its function. However, if different antennas are designed for different configurations of the wireless network sharer, It will greatly increase the production, storage and management costs of the industry and is not economically viable.

Therefore, how to design a new antenna structure, which can combine the advantages of an omnidirectional antenna and a directional antenna, enables a wireless device such as a wireless network sharer to stably transmit wireless signals to a range expected by the user, that is, It is an important issue that this creation is intended to solve here.

In view of the advantages and disadvantages of omnidirectional antennas and directional antennas, and nowadays wireless network sharers are used to ensure the flexibility of their applications, and the use of omnidirectional antennas with no dead angles is transmitted, so that their wireless signals are easily interfered by obstacles. With the rapid decay, the creator, after years of practice and research and development, finally designed a two-stage antenna that uses the rotating shaft to change the radiation pattern and its wireless device. A new design with high elasticity and good transmission effect.

One of the purposes of the present invention is to provide a wireless device having a two-segment antenna that uses a rotating shaft to change a radiation pattern, the wireless device comprising a housing, a circuit module and a two-segment antenna, one side of the housing The mounting surface can be fixed on a plane, and the circuit module is disposed in an accommodating space in the housing and can generate a wireless signal; the two-stage antenna is made of a conductive material. And electrically connected to the circuit module to receive the wireless signal, the two-segment antenna includes a first branch and a second branch, and one end of the first branch is fixed on the circuit module And the first branch is perpendicular to the mounting surface; one end of the second branch is pivotally disposed at the other end of the first branch through a rotating shaft, and the mounting surface of the housing is fixed to a ceiling In the case of the second branch, the second branch can be dropped downward due to its own gravity, so that the first branch and the second branch are kept in the same line or kept parallel to each other to form a monopole antenna; Or fixed on a mounting surface of the housing to a vertical A case where the surface of the second support segment can Due to its own gravity, it hangs down so that the first branch and the second leg remain perpendicular to each other to form an inverted L antenna. In this way, the wireless device can change the configuration of the two-stage antenna by gravity according to different installation directions to generate a suitable radiation field type, which greatly improves the convenience and performance in use.

The second purpose of the present invention is to provide two stop elements in the accommodating space, each of the stop elements being made of an insulating material, and the positions thereof respectively correspond to the free ends of the second branch, Where the wireless device is mounted to the ceiling, the free end of the second leg can abut against a stop element such that the second leg is in line with the first leg; in the wireless device In the case of installation to a wall, the free section of the second leg can abut against the other stop element such that the second leg can be perpendicular to the first leg.

In order to facilitate the review committee to have a better understanding and understanding of the technical means, structural features and purposes of this creation, the following examples are combined with the drawings, which are described in detail as follows:

[study]

no

[this creation]

1‧‧‧Wireless device

11‧‧‧Shell

110‧‧‧ accommodating space

111‧‧‧Installation surface

12‧‧‧ circuit module

13, 23, ‧ ‧ two-stage antenna

131, 231, 331‧‧‧ first section

132, 232, 332‧‧‧ the second branch

133, 233, 333‧‧ ‧ shaft

141‧‧‧First stop element

142‧‧‧Second stop element

15‧‧‧Insulation block

234‧‧‧stop

334‧‧‧Metal shrapnel

C1‧‧‧ pivot hole

C2‧‧‧through hole

1A is a schematic diagram of a hanging of a first preferred embodiment of the wireless device of the present invention; FIG. 1B is a wall-mounted schematic diagram of a first preferred embodiment of the wireless device of the present invention; FIG. 2A is a wireless device of the present invention. 2D is a schematic view of a wall of a second preferred embodiment of the wireless device of the present invention; and FIG. 3 is a partial schematic view of a third preferred embodiment of the wireless device of the present invention. .

The present invention is a two-stage antenna that uses a rotating shaft to change a radiation pattern and a wireless device thereof, as shown in FIG. 1A, which is a schematic diagram of a first preferred embodiment of the present invention. The device 1 includes a housing 11, a circuit module 12 and a two-stage antenna 13. One side of the housing 11 is a mounting surface 111, and the mounting surface 111 can be fixed (via a screw, a hook or a glue). An accommodating space 110 is disposed in the housing 11 in a plane (eg, a ceiling or a wall). The circuit module 12 is disposed in the accommodating space 110 and can generate a wireless signal.

The two-stage antenna 13 is electrically connected to the circuit module 12 to receive the wireless signal. The two-stage antenna 13 includes a first branch 131 and a second branch 132. One end of the first branch 131 is fixed on the circuit module 12, so that the first branch 131 can always be perpendicular to the mounting surface 111; one end of the second branch 132 is transmitted through a rotating shaft 133. The movable end is pivotally disposed at the other end of the first branch 131. Referring to FIG. 1A, the mounting surface 111 of the housing 11 is fixed to a ceiling (or other plane parallel to the ground, such as a beam). In the case of the bottom of the table, etc., the second leg 132 can be lowered downward due to its own gravity, so that the axis of the first leg 131 and the second leg 132 are kept in the same line (or Parallel to each other, the two-stage antenna 13 is configured in a straight strip shape to form a monopole antenna. At this time, one end of the first branch 131 can serve as a feed point for receiving. The wireless signal transmitted from the circuit module 12 is transmitted away from the ceiling.

On the contrary, as shown in FIG. 1B, the mounting surface 111 of the housing 11 is fixed to a wall surface perpendicular to the ground (the housing 11 can also be vertically placed on the table top to form the same as FIG. 1B. In the case of the same state, the second branch 132 can hang down due to its own gravity, so that the axes of the first branch 131 and the second branch 132 are perpendicular to each other, so that the two segments The antenna 13 is configured in an L shape to form an inverted L-type antenna. At this time, one end of the first branch 131 still functions as a feed point to receive the circuit mode. The wireless signal from group 12 is transmitted away from the wall.

Thus, when the wireless device 1 is installed on the ceiling, since the two-stage antenna 13 is configured as a monopole antenna, the radiation pattern will have a larger radiation angle, thereby ensuring that the wireless signal covers the ceiling. Most of the space is provided. When the wireless device 1 is mounted on a vertical wall surface, since the configuration of the two-stage antenna 13 is an inverted-L antenna, the radiation field type has strong directivity, so that it can be ensured. The strength of the wireless signal is sufficient to propagate to a remote distance. According to the user, regardless of the location of the wireless device 1, the wireless device 1 can automatically adjust the gravity of the second branch 132 itself. The relationship with the first branch 131 to produce a suitable radiation pattern greatly enhances the convenience and performance of use.

Referring to FIGS. 1A and 1B, in the first preferred embodiment of the present invention, a first stop element 141 and a second stop element 142 are respectively disposed in the wireless device 1, respectively. The stop members 141 and 142 are made of an insulating material, and the positions thereof are respectively corresponding to the free ends of the second branch segments 132 (eg, the first stop members 141 are fixed on the circuit module 12, the second The stop element 142 is disposed in the housing 11 corresponding to the inner wall surface of the two-stage antenna 13 to enable the free end of the second branch 132 when the wireless device 1 is mounted to the ceiling. Abutting the second stop element 142, the second branch is kept in line with the first leg 131; in the case where the wireless device 1 is mounted to a wall, the second leg 132 The free segment can abut the first stop element 141 such that the second leg 132 can be perpendicular to the first leg 131. In addition, in actual application, the operator can also install only a single stop element, for example, only through the first stop element 141, to ensure that the two-stage antenna 13 can remain perpendicular to each other in the wall-hanging state, In the hang state, they are kept parallel only by gravity.

The wireless device 1 of the present invention automatically changes the two-stage antenna by using gravity. 13, the weight of the second branch 132 must be greater than the friction of the rotating shaft 133, for example, the overall weight of the second branch 132 is M, its length is L; the static friction coefficient of the rotating shaft 133 is μ, When the radius is R and the positive force is N, the weight of the second branch 132 can be expressed as "(M*L)/2", and the friction of the rotating shaft 133 can be expressed as "N*μ*R". Therefore, if the operator applies the positive force on the rotating shaft 133 to be smaller than "(M*L) / (2 * μ * R)", it can be ensured that the second branch 132 can smoothly fall with gravity. Referring to FIG. 1B, in order to ensure the smoothness of the second branch 132, the operator can also install an insulating block 15 at the other end of the second branch 132 to enable the second branch 132 to pass through. The insulating block 15 is accelerated downwardly and abuts against the first stop element 141.

In order to further explain the implementation principle of the present invention, the detailed structure of the "rotating shaft" is as follows. Please refer to FIG. 2A, which is a second preferred embodiment of the present invention. The two-stage antenna 23 is also composed of a first branch. The segment 231, the second branch 232 and the rotating shaft 233 are formed. The other end of the first branch 231 and one end of the second branch 232 are respectively provided with a pivot hole C1, and the rotating shaft 233 can pass through The pivotal holes C1 are pivotally connected to each other, and the rotating shaft 233 is also made of a conductive material to be a part of the two-stage antenna 23. A stop portion 234 is further disposed on the second branch portion 232 adjacent to one end. Referring to FIG. 2B, the mounting surface of the housing is fixed to the wall surface, and the second branch portion 232 is oriented. In the case of falling down, the stop portion 234 can abut against the other end of the first leg 231 so that the second leg 232 can be perpendicular to the first leg 231.

Referring to FIG. 3, a third preferred embodiment of the present invention, wherein the two-segment antenna 33 also includes a first leg 331 and a second leg 332. However, in this embodiment, The rotating shaft 333 of the two-stage antenna 33 is extended from the other end of the first branch 331, and A plurality of metal domes 334 are disposed on one end of the second branch 332, and a plurality of metal domes 334 are disposed adjacent to the through hole C2. In the embodiment, the metal domes 334 are along the through hole C2. The circumferential direction is equally spaced, but can also be designed as a single annular elastic piece. When the rotating shaft 333 passes through the through hole C2, one end of the second branch 332 can pass through the metal elastic piece 334. The rotating shaft 333 is movably held such that one end of the second branch 332 is movably rotated on the rotating shaft 333.

In particular, the operator can also replace the positions of the rotating shaft 333 and the metal elastic pieces 334 with each other, that is, the rotating shaft 333 is designed to extend from one end of the second branch 332, and The metal domes 334 are designed to the other end of the first branch 331 so that the same pivotal relationship can be achieved. In addition, in FIG. 3, the first branch portion 331 and the second branch portion 332 are pivotally connected to each other through the rotating shaft 333. Although they are not kept on the same straight line, the axes of the supporting portions 331, 332 remain. Parallel to each other, and the configuration is still straight from top to bottom, so it can still form a monopole antenna.

Referring to FIGS. 1A and 1B, in the foregoing embodiment, the two-stage antenna 13 is mounted in the housing 11 and can change the configuration and the radiation pattern with gravity, but In practical applications, the operation of the two-stage antenna 13 is not limited thereto. The wireless device 1 can also be designed to be manually controlled. For example, the housing 11 has a toggle mechanism for the user to The two-stage antenna 13 is indirectly biased by the toggle mechanism to adjust the two-stage antenna 13 to a monopole antenna or an inverted-L antenna.

The above description is only a few preferred embodiments of the present invention, but the technical features of the present invention are not limited thereto, and those skilled in the relevant art can easily think about it after considering the technical content of the creation. Changes in effectiveness should not deviate from the scope of protection of this creation.

1‧‧‧Wireless device

11‧‧‧Shell

110‧‧‧ accommodating space

111‧‧‧Installation surface

12‧‧‧ circuit module

13‧‧‧Two-stage antenna

131‧‧‧First branch

132‧‧‧Second section

133‧‧‧ shaft

141‧‧‧First stop element

142‧‧‧Second stop element

15‧‧‧Insulation block

Claims (12)

A wireless device having a two-stage antenna for changing a radiation field using a rotating shaft, comprising: a casing having a mounting surface on one side thereof and an accommodation space therein; and a circuit module disposed in the housing In the space, the wireless signal can be generated; and the one-two-stage antenna is composed of a conductive material, and includes a first branch and a second branch, and one end of the first branch is fixed to the circuit module. The first branch is perpendicular to the mounting surface; one end of the second branch is pivoted through a rotating shaft and is disposed at the other end of the first branch, in the case where the mounting surface is fixed to a ceiling The second branch can hang down due to its own gravity, so that the first branch and the second branch are kept in the same straight line or parallel to each other to form a monopole antenna; or the mounting surface of the housing In the case of being fixed to a vertical wall surface, the second branch can hang down due to its own gravity, so that the first branch and the second branch remain perpendicular to each other to form an inverted L antenna. The wireless device of claim 1, wherein one end of the other end of the first leg and the second leg are respectively provided with a pivot hole, and the rotating shaft can pass through the pivot holes to make the second The branch is pivotally connected to the first branch. The wireless device of claim 1, wherein the rotating shaft is extended from the other end of the first branch, and one end of the second branch is provided with at least one piece of metal elastic to enable the second branch to pass through The metal dome is movably clamped to the shaft. The wireless device of claim 1, wherein the rotating shaft is extended from one end of the second branch, and the other end of the first branch is provided with at least one piece of metal elastic piece to enable the first branch to pass through The metal dome is movably clamped to the shaft. 2, 3 or 4, wherein the accommodating space is provided with a stop a stop member, the stop member being constructed of an insulating material and having a position corresponding to a free end of the second leg, respectively, to enable the second leg when the wireless device is mounted to the ceiling The free end can abut against the stop element such that the second leg is held in line with the first leg or parallel to each other; or in the case where the wireless device is mounted to the wall, the second leg The free section of the segment can abut the stop element such that the second leg can be perpendicular to the first leg. The wireless device of claim 5, wherein the other end of the second leg is provided with an insulating block, so that the second leg can pass through the insulating block to accelerate downward. 2, 3 or 4, wherein the second branch is adjacent to one end and a stop is protruded, the mounting surface of the housing is fixed to the wall surface, and the second branch is oriented In the case of a drooping, the stop can abut against the other end of the first leg so that the second leg can be perpendicular to the first leg. A two-stage antenna for changing a radiation pattern by using a rotating shaft is applied to a wireless device. The wireless device is provided with a circuit module for generating a wireless signal. The two-stage antenna includes: a first branch. The utility model is composed of a conductive material, one end of which is fixed on the circuit module to electrically connect with the circuit module and receive the wireless signal; and a second branch is made of a conductive material, one end of which is Being pivotally connected to the other end of the first branch through a rotating shaft, the branch can form a monopole antenna if the second branch and the first branch are kept in the same straight line or parallel to each other; or Where the second leg and the first leg are perpendicular to each other, the legs can form an inverted L antenna. The two-segment antenna of claim 8, wherein a side of the housing of the wireless device is a mounting surface, and the two-segment antenna is positioned in an accommodating space in the housing. It In the case where the mounting surface is fixed to a ceiling, the second branch can fall downward due to its own gravity, so that the first branch and the second branch remain in the same straight line or parallel to each other; or in the shell In the case where the mounting surface of the body is fixed to a vertical wall surface, the second branch can hang down due to its own gravity, so that the first branch and the second branch remain perpendicular to each other. The two-stage antenna of claim 9, wherein one end of the other end of the first leg and the second leg are respectively provided with a pivot hole, and the shaft can pass through the pivot holes, so that the shaft can pass through the pivot holes The second leg can be pivotally connected to the first leg. The two-stage antenna of claim 9, wherein the rotating shaft is extended from the other end of the first branch, and one end of the second branch is provided with at least one piece of metal elastic piece, and the second branch is provided. The shaft can be movably held by the metal dome. The two-stage antenna of claim 9, wherein the rotating shaft is extended from one end of the second branch, and the other end of the first branch is provided with at least one piece of metal elastic piece, so that the first branch The shaft can be movably held by the metal dome.