CN210120552U

CN210120552U - Wireless signal receiving and transmitting equipment with three-dimensional layout

Info

Publication number: CN210120552U
Application number: CN201921641719.8U
Authority: CN
Inventors: 张少林; 崔立成; 赵立斌
Original assignee: Shenzhen City Weifu Communication Technology Co Ltd
Current assignee: Shenzhen City Weifu Communication Technology Co Ltd; Shenzhen Wave Technology Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-02-28
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to a wireless signal transceiver equipment of three-dimensional overall arrangement, including the three-dimensional antenna device, antenna switching device, signal processing device and the controller that connect gradually, the three-dimensional antenna device includes two at least antenna element. The antenna unit comprises more than two layers of substrates and antenna arrays arranged on the substrates, the substrates are mutually stacked, the antenna arrays of the substrates are composed of antenna oscillators arranged in arrays, more than two antenna oscillators in each substrate are divided to obtain array groups, the array groups in each substrate are mutually connected, and the array groups of the substrates are mutually connected through connecting wires. The device adopts the stereo antenna device to receive and transmit WIFI signals, the stereo antenna device improves the gain, improves the communication performance, and ensures that the WIFI signals received and transmitted by the device are farther in transmission distance, larger in coverage and high in reliability.

Description

Wireless signal receiving and transmitting equipment with three-dimensional layout

Technical Field

The utility model relates to an antenna technology field especially relates to a wireless signal transceiver of three-dimensional overall arrangement.

Background

WIFI is a wireless local area network technology established in the IEEE 802.11 standard, and improves the interoperability between wireless network products based on the standard. WIFI belongs to a short-distance wireless technology, has the advantages of high transmission speed, low transmitting power, no need of wiring and the like, can meet personal and social informatization requirements, can automatically adjust bandwidth under the condition of weak signals, and effectively ensures the stability and reliability of a network.

The coverage range of the WIFI signal transmitted by the traditional WIFI signal transmission device is limited, a user cannot receive the WIFI signal in an area beyond the coverage range of the WIFI, normal use of the user is affected, and reliability is low.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a wireless signal transceiver with a three-dimensional layout for solving the problem of low reliability of the conventional WIFI signal transmission device.

A wireless signal transceiving equipment with a three-dimensional layout comprises a three-dimensional antenna device, an antenna switch device, a signal processing device and a controller, wherein the three-dimensional antenna device comprises at least two antenna units, the antenna switch device is connected with the signal processing device, and the signal processing device is connected with the controller;

the antenna unit comprises two or more layers of substrates and antenna arrays arranged on the substrates; each layer of the substrates are mutually stacked; the antenna array of each layer of the substrate consists of antenna oscillators arranged in an array; every two or more than two antenna oscillators in each layer of the substrate are divided to obtain array groups, the array groups in each layer of the substrate are mutually connected, and the array groups of each layer of the substrate are mutually connected through connecting lines; the antenna switching device is connected with the connecting line in the antenna unit.

Above-mentioned wireless signal transceiver equipment of three-dimensional overall arrangement, when receiving the WIFI signal, three-dimensional antenna device can sense the electromagnetic signal in the space and then send to the antenna switching device, the antenna switching device is handled signal transmission to signal processing device, the signal transmission after the processing obtains the WIFI signal after demodulating to the controller, realize the receipt of WIFI signal, when sending the WIFI signal, the controller outputs the weak radio frequency signal of miniwatt and sends to signal processing device and handles, the signal rethread antenna switching device after the processing radiates to the space via three-dimensional antenna device, realize the sending of WIFI signal. This equipment adopts three-dimensional antenna device to carry out the receiving and dispatching of WIFI signal, three-dimensional antenna device includes two at least antenna element, antenna element obtains the group array through dividing the antenna element on each layer base plate, after dividing the group array and accomplishing, interconnect the group array of each layer base plate through the connecting wire again, form three-dimensional space structure's antenna array, a plurality of antenna element work of mutually supporting, the gain of antenna element to the wave beam on the perpendicular plane has been increased, three-dimensional antenna device's communication performance has been improved, the WIFI signal transmission distance that makes this three-dimensional overall arrangement wireless signal transceiver equipment receive and send is farther, coverage is bigger, the reliability is high.

Drawings

FIG. 1 is a block diagram of an embodiment of a wireless transceiver device with a three-dimensional layout;

FIG. 2 is a block diagram of a wireless transceiver device with a three-dimensional layout according to another embodiment;

FIG. 3 is a block diagram of an antenna unit in one embodiment;

FIG. 4 is a block diagram of a substrate in an antenna unit and an antenna element on the substrate in one embodiment;

fig. 5 is a block diagram of a wireless signal transceiver device in a three-dimensional layout according to another embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is described more fully below by way of examples in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In an embodiment, please refer to fig. 1, which provides a wireless signal transceiving apparatus with a stereoscopic layout, including a stereoscopic antenna device 100, an antenna switch device 200, a signal processing device 300 and a controller 400, where the stereoscopic antenna device 100 includes at least two antenna units, the antenna switch device 200 is connected to the signal processing device 300, and the signal processing device 300 is connected to the controller 400. The antenna unit comprises two or more layers of substrates 112 and antenna arrays arranged on the substrates 112, the substrates 112 are stacked with each other, the antenna arrays of the substrates 112 are composed of antenna elements 114 arranged in an array, every two or more antenna elements 114 in the substrates 112 are divided into arrays, the arrays in the substrates 112 are connected with each other, the arrays of the substrates 112 are connected with each other through connecting wires, and the antenna switch device 200 is connected with the connecting wires in the antenna unit.

When the wireless signal transceiver device with the three-dimensional layout receives a WIFI signal, the three-dimensional antenna device 100 can sense an electromagnetic signal in a space and then send the electromagnetic signal to the antenna switch device 200, the antenna switch device 200 transmits the signal to the signal processing device 300 for processing, and the processed signal is sent to the controller 400 for demodulation to obtain the WIFI signal, so that the WIFI signal is received. When the wireless signal transceiver device with the three-dimensional layout transmits the WIFI signal, the controller 400 outputs a low-power weak radio frequency signal to the signal processing device 300 for processing, and the processed signal is radiated to the space through the three-dimensional antenna device 100 by the antenna switch device 200, so that the transmission of the WIFI signal is realized.

Specifically, the type of the controller 400 is not exclusive, and may be, for example, a CPLD (complex Programmable Logic Device), an FPGA (Field Programmable gate array), or a single chip microcomputer. The CPLD as the controller 400 has the advantages of flexible programming, high integration level, wide application range, low design and manufacturing cost, and the like. The FPGA as the controller 400 has low design cost and high working stability. The single chip microcomputer has the advantages of small size, simple structure and high reliability. It is understood that in other embodiments, the controller 400 may employ other devices, as long as those skilled in the art recognize that the implementation is possible.

The signal processing apparatus 300 is mainly used for processing signals flowing through, and the signal processing method of the signal processing apparatus 300 is different according to different actual requirements, and accordingly, the structure of the signal processing apparatus 300 is not unique, for example, when the signal processing apparatus 300 includes a filter, the signal may be filtered, it can be understood that, in other embodiments, the signal processing apparatus 300 may have other structures, which are determined according to user requirements, and have great flexibility.

The antenna switch device 200 can control the connection and disconnection between the stereo antenna device 100 and the signal processing device 300, when the wireless signal transceiver device requiring the stereo layout works, the antenna switch device 200 is connected, the signal can be normally transmitted between the stereo antenna device 100 and the signal processing device 300, and when the antenna switch device 200 is disconnected, the wireless signal transceiver device adopting the stereo layout is in a standby state.

The number of the substrates 112 in the antenna unit is not limited, and the antenna unit may be configured by two layers of the substrates 112, or may be configured by three or more layers of the substrates 112. Each layer of substrate 112 has an antenna array, where the antenna array includes a plurality of antenna elements 114, the number of the antenna elements 114 may be two or more, for example, 8 × 8 antenna elements 114 are arranged in a rectangle to form 8 rows and 8 columns, thereby forming an antenna array. The antenna elements 114 in the antenna array may be divided into two groups as shown in fig. 3, or may be divided into three groups, or may be correspondingly divided into three or more groups, where a group is a group formed by connecting two or more antenna elements 114 with each other. The antenna elements 114 in the antenna array may be divided into a plurality of block arrays.

Further, a spatial rectangular coordinate system may be established, each layer of substrate 112 is regarded as a plane, each layer of substrate 112 is parallel to the XOY plane in the spatial rectangular coordinate system, the antenna elements 114 on each layer of substrate 112 are respectively laid along the X-axis and Y-axis directions, and then each layer of substrate 112 is vertically arranged along the Z-axis direction, so that the antenna unit is formed into a three-dimensional spatial structure, and the three-dimensional antenna apparatus 100 is also a three-dimensional spatial structure. The antenna switch device 200 is connected to a connection line in an antenna unit, and it should be noted that after two or more antenna elements 114 on each layer of substrate 112 in the antenna unit are divided into groups, each group may have a corresponding lead led out from the substrate 112, so that a plurality of leads are led out from each layer of substrate 112, then the substrate 112 is connected to the plurality of leads led out from the substrate 112 correspondingly, and finally, the leads are collected by corresponding connectors or joints, and connected to the antenna switch device 200 at the rear end, and the received signals are processed by the antenna switch device 200 at the rear end. Further, in other embodiments, after two or more antenna elements 114 on each layer of substrate 112 are divided to obtain a group array, the group arrays on the substrate 112 are connected to each other first, and then are led out from the substrate 112 through a bus, that is, only one bus is led out from each layer of substrate 112, then the buses between the substrate 112 and the substrate 112 are connected to each other, and finally are collected through corresponding connectors or joints, and connected to the antenna switch device 200 at the rear end, and the received signals are processed through the antenna switch device 200 at the rear end.

In one embodiment, referring to fig. 2, the signal processing apparatus 300 includes a first filter 310, a first amplifier 320 and a second amplifier 330, the first filter 310 is connected to the antenna switching apparatus 200 and the first amplifier 320, the first amplifier 320 is connected to the controller 400, the controller 400 is connected to the second amplifier 330, and the second amplifier 330 is connected to the antenna switching apparatus 200. The filter can carry out filtering processing to the signal, and the amplifier can amplify the signal, and the use of filter and amplifier can improve the quality of WIFI signal, also can improve WIFI signal transmission's reliability.

Specifically, the types of the first amplifier 320 and the second amplifier 330 are not unique, for example, in this embodiment, the first amplifier 320 is a power amplifier, the second amplifier 330 is a low noise amplifier, when sending a WIFI signal, the controller 400 outputs a low-power weak radio frequency signal to the power amplifier for power amplification, so that the output signal has a sufficiently large power to meet a requirement, the amplified signal is sent to the first filter 310 for filtering, and the filtered signal is radiated to a space through the stereo antenna unit 100 by the antenna switch device 200, so as to implement sending of the WIFI signal. When receiving a WIFI signal, the stereo antenna unit 100 may sense an electromagnetic signal in a space and then transmit the electromagnetic signal to the antenna switching device 200, the antenna switching device 200 transmits the signal to the low noise amplifier for amplification, and the amplified signal is transmitted to the controller 400 for demodulation to obtain the WIFI signal, thereby receiving the WIFI signal. It is understood that in other embodiments, the first amplifier 320 and the second amplifier 330 may be other types of amplifiers, as long as one skilled in the art realizes that this may be achieved. In addition, the type of the first filter 310 is not exclusive, and for example, a band-pass filter may be used, and the band-pass filter may filter out spurious signals so that a useful signal in a specific frequency band can be smoothly transmitted in a channel. The band-pass filter can be realized in various ways, for example, a designed special band-pass filter can be used, the performance is stable, or the band-pass filter can be a printed band-pass filter, the structure is simple, and the manufacturing cost is low. It is understood that in other embodiments, the first filter 310 may be other types of filters as long as one skilled in the art realizes the implementation.

In one embodiment, referring to fig. 2, the signal processing apparatus 300 further includes a second filter 340, the second filter 340 is connected to the first amplifier 320, and the controller 400 is connected to the second filter 340. The second filter 340 disposed between the first amplifier 320 and the controller 400 may filter out noise contained in the signal amplified by the first amplifier 320, thereby improving signal quality.

Specifically, the type of the second filter 340 is not exclusive, and for example, the second filter may be a low-pass filter, and the low-pass filter is connected to the first amplifier 320, and may filter out higher harmonics, such as second harmonic, third harmonic, and even higher harmonics, caused by the power amplifier, and reduce the influence of the higher harmonics on the signal transmission. It is understood that in other embodiments, the second filter 340 may be other types of filters as long as one skilled in the art can realize the filter.

In one embodiment, the antenna switching device 200 includes a signal receiving circuit, a signal transmitting circuit, and a switch connected to the antenna unit, and connected to the second amplifier 330 through the signal receiving circuit, and connected to the first filter 310 through the signal transmitting circuit. The antenna switching device 200 can switch the operating state of the antenna array in each antenna unit, so as to control the antenna array.

Specifically, the switch in the antenna switch apparatus 200 is connected to the connection lines in the antenna units, when the switch is connected to the signal transmitting circuit, the antenna switch apparatus 200 controls the antenna array to be in a transmitting state, when the switch is connected to the signal receiving circuit, the antenna switch apparatus 200 controls the antenna array to be in a receiving state, when the switch is in an open state, the antenna array does not work, and the device is in a shutdown state. The switch is connected to the controller 400, and switches the transmitting, receiving or stopping working state of the antenna unit according to the control signal sent by the controller 400, or the switch may be manually controlled, and the user manually switches the transmitting, receiving or stopping working state of the antenna unit according to the user's own requirement.

In one embodiment, referring to fig. 4, the antenna elements 114 are dual-polarized elements, and each two or more dual-polarized elements in each layer of the substrate 112 are divided to obtain an array. The dual-polarized oscillator comprises two antennas with positive 45-degree polarization directions and negative 45-degree polarization directions orthogonal to each other, namely the antenna with the 12-point clock direction as a reference and with the 45-degree clockwise rotation position as the positive 45-degree, and the antenna with the 45-degree counterclockwise rotation position as the negative 45-degree. Each layer of the substrate 112 may be formed by connecting and dividing two dual-polarized oscillators as shown in fig. 4 to obtain a group array, or by connecting and dividing more than two dual-polarized oscillators to obtain a group array, and accordingly, the antenna array of each layer of the substrate 112 may be divided to obtain a plurality of group arrays, and the plurality of group arrays are connected to each other to form an antenna array, thereby improving the gain of the whole stereo antenna apparatus 100.

In one embodiment, referring to fig. 4, the dual-polarized oscillators on the substrate 112 include positive 45-degree oscillators and negative 45-degree oscillators, the positive 45-degree oscillators and the negative 45-degree oscillators are orthogonally arranged, the positive 45-degree oscillators of the dual-polarized oscillators of each array in the substrate 112 are connected to each other, and the negative 45-degree oscillators of the dual-polarized oscillators are connected to each other.

Each array of the antenna array includes at least two positive 45-degree oscillators and two negative 45-degree oscillators, and in each array, the positive 45-degree oscillator is connected with the positive 45-degree oscillator, and the negative 45-degree oscillator is connected with the negative 45-degree oscillator (for example, in fig. 4, the two positive 45-degree oscillators are connected with the positive 45-degree oscillator, and the two negative 45-degree oscillators are connected with the negative 45-degree oscillator), so that the stereo antenna apparatus 100 can obtain gain in both the wireless signal receiving and transmitting modes, and the communication performance of the wireless signal transceiving equipment in the stereo layout is improved.

In one embodiment, referring to fig. 3, the positive 45-degree oscillators in the array of each layer of the substrate 112 are connected to each other and then connected by a positive connection line; the negative 45-degree vibrators in the array of each layer of substrate 112 are connected with each other and then connected through a negative connecting wire.

The positive connecting line and the negative connecting line can be the same type of connecting line, and the difference between the positive connecting line and the negative connecting line is that the positive 45-degree oscillator in the array is connected to the positive connecting line, and the negative 45-degree oscillator in the array is connected to the negative connecting line. In each layer of the substrate 112, positive 45-degree oscillators in different arrays are connected to each other, and negative 45-degree oscillators are connected to each other. It can be understood that the positive 45-degree oscillators of different arrays in the same substrate 112 can be connected by a common line, and the negative 45-degree oscillators of different arrays can also be connected by a common line. After the oscillators between different arrays in each substrate 112 are connected, the positive 45-degree oscillators in the arrays of each substrate 112 are connected through the positive connecting lines, and the negative 45-degree oscillators in the arrays of each substrate 112 are connected through the negative connecting lines, so that the transmitting and receiving gain of the stereo antenna device 100 is improved. It will be appreciated that the positive and negative connection lines may equally well be a single common line.

In one embodiment, referring to fig. 4, each row of antenna elements 114 in the antenna array of each layer of substrate 112 is divided into a group array. Specifically, the antenna array includes a plurality of rows and a plurality of columns of elements, and when the array is divided, the array is obtained by dividing the elements of each row, for example, when the antenna array has 8 rows of elements, and each row is composed of 8 dual-polarized elements, one row may be divided into 4 arrays according to two dual-polarized elements as a group, and correspondingly, in other embodiments, 8 dual-polarized elements of the same row may also be directly divided into one array.

In one embodiment, the antenna elements 114 are spaced apart by a distance that is one-half the wavelength of the antenna center frequency. Through setting up corresponding spacing distance between the antenna element 114, can avoid each antenna element 114 to produce interference each other in the course of the work, guarantee that antenna device can normally work.

In one embodiment, a certain distance is preset between the substrates 112 of each layer to ensure that signals between adjacent substrates 112 do not affect each other, so as to improve the communication performance of the antenna device when the three-dimensional antenna device 100 is configured.

For a better understanding of the above embodiments, the following detailed description is given in conjunction with a specific embodiment. In one embodiment, referring to fig. 5,

representing an antenna unit, the antenna switching device 200 is an antenna switch, the antenna switch is connected with the antenna unit, the signal processing device 300 includes a filter, a power amplifier and a low noise amplifier, the controller 400 is a chip, the filter is connected with the antenna switch and the power amplifier, the power amplifier is connected with the chip, the chip is connected with the low noise amplifier, the low noise amplifier is connected with the antenna switch, and the deviceThe three-dimensional layout of the three-dimensional antenna device 100 including the multiple antenna units connected with each other is arranged, the overall gain of the three-dimensional antenna device 100 can be improved, the characteristic of high gain of the three-dimensional antenna device 100 is utilized, the problem that the existing WIFI transmission distance is short is solved, and the device can realize large-range coverage of WIFI signals.

Taking the antenna unit including N layers of substrates 112 as an example, the antenna array on each layer of substrates 112 has Y rows, each row has Y dual-polarized antenna elements 114, X dual-polarized antenna elements 114 in each row are divided into a group array, positive 45-degree elements in X dual-polarized antenna elements 114 in each group array are connected with each other, positive 45-degree elements of adjacent group arrays are connected through a common line, and then a positive connection line is led out. Negative 45-degree oscillators in the X dual-polarized antenna oscillators 114 in each array are connected with each other, the negative 45-degree oscillators in adjacent arrays are connected through a common line, and then a negative connecting line is led out to form a 1-to-X form. Finally, the positive connection lines led out from each layer of the substrate 112 are connected to each other, and the negative connection lines led out from each layer of the substrate 112 are connected to each other, so as to finally form a 1-to-X-N array form, thereby obtaining an antenna unit with a three-dimensional layout. When the two dual-polarized antenna elements 114 in each column of the antenna array are divided into one array, the antenna gain is increased by two times by constructing an N-layer three-dimensional antenna array, so that the antenna array originally composed of 2 antenna elements 114 is increased to an array composed of 2 × N antenna elements 114, theoretically, if N is 2, X is 2 (i.e., 1 drags 2 × 2), the antenna gain may be increased by 3dB, if N is 2, X is 3 (i.e., 1 drags 3 × 2), the antenna gain may be increased by 5dB, if N is 2, X is 5 (i.e., 1 drags 5 × 2), the antenna gain may be increased by 7dB, and if N is 2, X is 10 (i.e., 1 drags 10 × 2), the antenna gain may be increased by 10 dB.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A wireless signal transceiving equipment with a three-dimensional layout is characterized by comprising a three-dimensional antenna device, an antenna switch device, a signal processing device and a controller, wherein the three-dimensional antenna device comprises at least two antenna units, the antenna switch device is connected with the signal processing device, and the signal processing device is connected with the controller;

2. The apparatus of claim 1, wherein the signal processing device comprises a first filter, a first amplifier, and a second amplifier, the first filter connecting the antenna switching device and the first amplifier, the first amplifier connecting the controller, the controller connecting the second amplifier, the second amplifier connecting the antenna switching device.

3. The apparatus of claim 2, wherein the signal processing device further comprises a second filter, the second filter coupled to the first amplifier, the controller coupled to the second filter.

4. The apparatus of claim 2, wherein the antenna switching device comprises a signal receiving circuit, a signal transmitting circuit, and a switch, the switch being connected to the antenna unit and to the second amplifier via the signal receiving circuit and to the first filter via the signal transmitting circuit.

5. The device of claim 1, wherein the antenna elements are dual-polarized elements, and each two or more dual-polarized elements in each layer of the substrate are divided to obtain an array.

6. The device of claim 5, wherein the dual polarized vibrator comprises a positive 45 degree vibrator and a negative 45 degree vibrator, the positive 45 degree vibrator being disposed orthogonal to the negative 45 degree vibrator; the positive 45-degree oscillators of the dual-polarized oscillators of each array in the substrate are connected with each other, and the negative 45-degree oscillators of the dual-polarized oscillators are connected with each other.

7. The apparatus according to claim 6, wherein positive 45-degree oscillators in the array of each layer of the substrate are connected with each other and then connected through a positive connection line; negative 45-degree vibrators in the array of each layer of the substrate are connected with each other and then connected through a negative connecting wire.

8. The apparatus of claim 5, wherein each column of antenna elements in the antenna array of each layer of the substrate is divided into a group array.

9. The apparatus of claim 5, wherein the antenna elements are spaced apart by a distance of one-half a wavelength of a center frequency of the antenna.

10. The apparatus of claim 9, wherein the substrates of each layer are spaced apart by a distance of one-half a wavelength of a center frequency of the antenna.