CN201528045U - Monopole type broadband antenna module - Google Patents

Abstract

The utility model discloses a monopole broadband antenna module, comprising a grounding plate, and a first monopole antenna and a second monopole antenna connected to the grounding plate. The first monopole antenna is an inverted L-shaped structure, and the second monopole antenna is arranged around the periphery of the first monopole antenna and separated by a distance, so as to reduce the overall volume of the antenna module, facilitate being hidden inside a portable electronic device, and not being interfered by signals of other electronic components, and having a good gain effect.

Description

Monopole Broadband Antenna Module

technical field

The utility model relates to an antenna structure, in particular to a monopole broadband antenna module applied to a portable electronic device and used for receiving digital television signals.

Background technique

With the development of wireless communication technology, users can use wireless communication systems for information transmission without being restricted by terrain. The antenna is one of the important components in the field of wireless communication. Moreover, as the popularization of portable electronic devices such as notebook computers, mobile phones, and personal digital assistants (PDAs), and the increasing number of control functions equipped with portable electronic devices, users Watching digital TV through portable electronic devices has become popular, bringing users more diverse and more convenient lives.

Taking a notebook computer as an example, in order to allow users to communicate with the outside world and receive new information in a timely manner through the notebook computer when they are away from home, the notebook computer needs to be equipped with at least one set of antenna modules. However, as the design concept of consumer electronic products increasingly emphasizes integration and thin, light and small functions, when designing a digital TV antenna module, the size of the antenna module must be relatively reduced to match the overall volume of the electronic device. Hidden inside the thin and light electronic device. However, the digital TV antenna is limited by the low operating frequency band and large bandwidth of the digital TV. Therefore, the size of the digital TV antenna module must be more than 14 cm to have good receiving performance. If the digital TV antenna module must be designed inside the notebook computer, the overall size of the antenna module is relatively limited, which will definitely cause the gain of the antenna module to deteriorate.

In addition, in addition to the digital TV antenna module, the notebook computer is also equipped with at least an antenna module for receiving wireless signals such as global positioning system (GPS), Bluetooth (bluetooth), and wireless local area network (WLAN). . If the notebook computer executes the above-mentioned various functions at the same time, the signals between the antenna modules will interfere with each other, resulting in a serious reduction in the performance of the antenna modules.

Utility model content

In view of the above problems, the utility model provides a monopole broadband antenna module to improve the poor gain effect and signal loss caused by the limited size of the antenna module when the existing digital TV antenna module is built into the notebook computer. Susceptible to problems such as interference from other antenna modules.

In order to achieve the above purpose, the utility model discloses a monopole broadband antenna module, which is characterized in that it includes:

a ground plate;

A first monopole antenna, formed by a metal wire, the first monopole antenna has a first part and a second part, one end of the second part is connected to one end of the first part, and the second part The other end of has a first feed-in portion, which is connected to the ground plate; and

A second monopole antenna, formed by a metal wire, the frequency band range of the second monopole antenna is different from the frequency band range of the first monopole antenna, and the second monopole antenna loop is set on the first monopole antenna The periphery of the antenna is separated by a distance, and the second monopole antenna has a third part, a fourth part, a fifth part, and a sixth part, and one end of the third part and the fifth part is respectively connected to the Two ends of the fourth part, one end of the sixth part is connected to the other end of the fifth part, the relative position of the other end of the first part overlaps with the third part, and the other end of the sixth part There is a second feed-in part connected with the ground plate.

The above-mentioned monopole broadband antenna module is characterized in that the frequency bands of the first monopole antenna and the second monopole antenna range from 470 MHz to 860 MHz.

The above-mentioned monopole broadband antenna module is characterized in that it further includes a substrate, and the ground plate, the first monopole antenna, and the second monopole antenna are formed on the substrate.

The above-mentioned monopole broadband antenna module is characterized in that the second monopole antenna is further formed with at least one dodging portion.

The above-mentioned monopole broadband antenna module is characterized in that it further includes an impedance matching part connected to one end of the ground plate and adjacent to the sixth part of the second monopole antenna.

The above-mentioned monopole broadband antenna module is characterized in that the impedance matching part is a thin metal piece.

The above-mentioned monopole broadband antenna module is characterized in that the ground plate is a thin metal piece.

The effect of the utility model is that the combination of two monopole antennas constitutes a monopole broadband antenna module, which not only reduces the overall volume of the antenna module, but also enables the antenna module of the utility model to be embedded in a portable electronic device, and effectively Receiving low-frequency and wide-band digital television signals does not reduce the gain of the antenna module due to the reduction in volume. In addition, the monopole broadband antenna module embedded in the portable electronic device is also free from signal interference from other antenna modules or electronic components.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Fig. 1 is the schematic diagram of the utility model first embodiment;

Fig. 2 is the schematic diagram of the second embodiment of the utility model;

Fig. 3 is the schematic diagram of the utility model 3rd embodiment; And

FIG. 4 is a numerical distribution diagram of the voltage standing wave ratio (VSWR) of the present invention.

Among them, reference signs

100 Monopole Broadband Antenna Module

110 substrate

120 ground lug

130 first monopole antenna

131 Part 1

132 second part

133 The first feed-in department

140 second monopole antenna

141 The third part

142 The fourth part

143 fifth part

144 The sixth part

145 Second feed-in part

146 Dodge Department

150 impedance matching part

Detailed ways

Below in conjunction with accompanying drawing, structural principle and working principle of the present utility model are specifically described:

Fig. 1 is a schematic diagram of the first embodiment of the utility model. As shown in the figure, the monopole broadband antenna module 100 of the first embodiment of the present invention is installed inside a portable electronic device (not shown in the figure), such as a notebook computer, for receiving digital TV wireless signals. The monopole broadband antenna module 100 includes a substrate 110 , a ground plate 120 , a first monopole antenna 130 , and a second monopole antenna 140 . The substrate 110 can be an FR4 glass fiber board to serve as a carrier of the monopole broadband antenna module 100 , but is not limited thereto. The ground plate 120 is formed on the substrate 110, and the ground plate 120 is a thin metal plate, and its material can be copper metal, but not limited to the type and material disclosed in this embodiment.

The first monopole antenna 130 and the second monopole antenna 140 are formed on the substrate 110 by metal wires, the material may be copper metal, but not limited thereto, and the first monopole antenna 130 and the second monopole antenna 140 The frequency band ranges of the received digital TV wireless signals are not the same.

Please continue to refer to FIG. 1 , the first monopole antenna 130 has a first portion 131 , a second portion 132 , and a first feeding portion 133 . Wherein, one end of the second part 132 is connected to one end of the first part 131 , and roughly constitutes an inverted L-shaped structure. The first feeding portion 133 is located at the other end of the second portion 132 and connected to the ground plane 120 so that the first monopole antenna 130 is connected to the ground plane 120 .

The second monopole antenna 140 has a third portion 141 , a fourth portion 142 , a fifth portion 143 , a sixth portion 144 , and a second feeding portion 145 . Wherein, one end of the third part 141 and the fifth part 143 are respectively connected to two ends of the fourth part 142 (that is, the third part 141 and the fifth part 143 are facing each other), so as to form a similar ㄇ shape (opening box-shaped) accommodation space. One end of the sixth part 144 is connected to the other end of the fifth part 143, and the second feed-in part 145 is located at the other end of the sixth part 144, and is connected to the ground plate 120, so that the second monopole antenna 140 is connected to the ground plate 120. The interconnection of each part 141, 142, 143, 144 of the second monopole antenna 140 is thereby arranged around the periphery of the first monopole antenna 130, and there is a gap between the first monopole antenna 130, and the first The other end part of the first part 131 of the monopole antenna 130 protrudes into the accommodation space formed by the third part 141, the fourth part 142, and the fifth part 143 of the second monopole antenna 140, so that part of the first The relative position of the other end of the part 131 overlaps with the third part 141 .

Fig. 2 is a schematic diagram of the second embodiment of the utility model. As shown in the figure, the monopole broadband antenna module 100 of the second embodiment of the present invention is installed inside a portable electronic device (not shown), such as a notebook computer, for receiving digital TV wireless signals. The monopole broadband antenna module 100 of the second embodiment is similar to the first embodiment, except that it includes a substrate 110, a ground plate 120, a first monopole antenna 130, and a second monopole antenna 140. The monopole broadband antenna module 100 of the second embodiment further includes an impedance matching part 150 . The impedance matching part 150 is a thin metal sheet, and its material can be copper metal, but it is not limited to the type and material disclosed in this embodiment. The impedance matching part 150 is connected to one end of the ground plate 120, and is adjacent to the sixth part 144 of the second monopole antenna 140, that is, the impedance matching part 150 is connected to the fourth part 142 and the sixth part 144 of the second monopole antenna 140. They are arranged in a facing relationship, so as to improve the signal transmission stability of the monopole broadband antenna module 100 .

Fig. 3 is a schematic diagram of a third embodiment of the present invention. As shown in the figure, the monopole broadband antenna module 100 of the third embodiment of the present invention is installed inside a portable electronic device (not shown), such as a notebook computer, for receiving digital TV wireless signals. The components of the monopole broadband antenna module 100 of the third embodiment are similar to those of the first embodiment, including a substrate 110 , a ground plate 120 , a first monopole antenna 130 , and a second monopole antenna 140 . The second monopole antenna 140 of the monopole broadband antenna module 100 of the third embodiment also includes at least one dodging part 146, the purpose of which is to dodge the electronic components of the portable electronic device, so as to avoid the second monopole antenna 140 is in contact with electronic components. The dodging parts 146 disclosed in this embodiment can be correspondingly adjusted in quantity and location according to actual usage requirements, and are not limited to this embodiment.

FIG. 4 is a numerical distribution diagram of the voltage standing wave ratio (VSWR) after the test of the monopole broadband antenna module of the present invention. The first point in Figure 4 is about 0.4605 GHz, the second point is about 0.8602 GHz, the third point is about 0.5937 GHz, and the fourth point is about 0.5937 GHz ). It can be clearly seen from the figure that the monopole broadband antenna module 100 of the present invention can receive frequency bands ranging from 470 megahertz (MHz) to 860 MHz by combining the first monopole antenna 130 and the second monopole antenna 140. A digital television radio signal in megahertz (MHz).

The monopole broadband antenna module of the present invention is composed of two monopole antennas, which not only reduces the overall volume of the antenna module, but also can be embedded in the portable electronic device without interfering with electronic components. Moreover, the monopole broadband antenna module of the present utility model can effectively receive digital television signals in a low-frequency and wide-band frequency range (between 470 megahertz (MHz) and 860 megahertz (MHz)), without causing any problems due to the shrinkage of the volume. The gain of the antenna module is reduced, and the monopole broadband antenna module embedded in the portable electronic device is not interfered by signals from other antenna modules or electronic components.

Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but These corresponding changes and deformations should all belong to the protection scope of the appended claims of the present utility model.

Claims (7)

1. an acyclic type wideband antenna module is characterized in that, includes:

One ground strip;

One first unipole antenna, formed by a plain conductor, this first unipole antenna has one first position and one second position, and an end at this second position is connected in an end at this first position, and the other end at this second position has one first feeding portion, is connected with this ground strip; And

One second unipole antenna, form by a plain conductor, the frequency band range of the frequency band range of this second unipole antenna and this first unipole antenna is different, this second unipole antenna is located on the peripheral and spacing of being separated by of this first unipole antenna, this second unipole antenna has one the 3rd position, one the 4th position, one the 5th position, and one the 6th position, one end at the 3rd position and the 5th position is connected to two ends at the 4th position, one end at the 6th position is connected in the other end at the 5th position, the relative position and the 3rd position overlaid of the other end at this first position of part, and the other end at the 6th position has one second feeding portion, is connected with this ground strip.

2. acyclic type wideband antenna module according to claim 1 is characterized in that, this frequency band range of this first unipole antenna and this second unipole antenna is 470 megahertz to 860 megahertzes.

3. acyclic type wideband antenna module according to claim 1 is characterized in that, also includes a substrate, this ground strip, this first unipole antenna, and this second unipole antenna be formed on this substrate.

4. acyclic type wideband antenna module according to claim 1 is characterized in that, this second unipole antenna also is formed with at least one portion of dodging.

5. acyclic type wideband antenna module according to claim 1 is characterized in that, also includes an impedance matching portion, is connected in an end of this ground strip, and is adjacent to the 6th position of this second unipole antenna.

6. acyclic type wideband antenna module according to claim 5 is characterized in that, this impedance matching portion is a sheet metal spare.

7. acyclic type wideband antenna module according to claim 1 is characterized in that, this ground strip is a sheet metal spare.

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