CN207009655U

CN207009655U - A kind of POS LTE frequency range 4G antennas

Info

Publication number: CN207009655U
Application number: CN201720709143.9U
Authority: CN
Inventors: 李玄文
Original assignee: Shanghai Deep Xun Communication Technology Co Ltd
Current assignee: Shanghai Deep Xun Communication Technology Co Ltd
Priority date: 2017-06-19
Filing date: 2017-06-19
Publication date: 2018-02-13
Anticipated expiration: 2027-06-19

Abstract

The utility model discloses a kind of POS LTE frequency range 4G antennas, including PCB substrate, radiating element, coaxial line, the PCB substrate to be provided with radiating element, it is characterised in that：The radiating element includes the first radiating element and the second radiating element, is respectively equipped with the first distributing point and the second distributing point on first radiating element and the second radiating element, first distributing point is connected with the second distributing point by coaxial line.4G antennas of the present utility model have it is simple in construction, be readily produced making, the advantage such as processing procedure yields is high, reception signal flexibility ratio is good, the signal received in LTE band limits can be stablized, while strong antijamming capability, signal stabilization are good.

Description

A kind of POS LTE frequency range 4G antennas

Technical field

Communication antenna field is the utility model is related to, more particularly to a kind of POS LTE frequency range 4G antennas.

Background technology

POS full name is point of sale information control system, is that one kind is furnished with bar code or OCR code skill terminal readers, typically Including modules such as basic processing unit system, display system, keyboard, card reading module, mini-printer, buzzer, communication modules.With The market demand, POS terminal requires that attractive in appearance and volume is small, becomes more and more compacter so as to the circuit of POS terminal, electronic device Increasingly closer, the antenna volume of wherein wireless communication module is also less and less, therefore the beamwidth of antenna can be caused to reduce, performance Stability reduce.

In present communication system, the communication modes of the different operating frequency such as GPRS/CDMA/3G/4G/WiFi are more and more, In field of wireless communication, antenna is a particularly important part, due to 4G communications account in modern communication field ratio is more next It is higher so that present POS will also install 4G antennas to adapt to the development of Information technology.

Utility model content

The purpose of this utility model is to solve the above problems, there is provided a kind of POS LTE frequency range 4G antennas.

In order to achieve the above object, the utility model is achieved through the following technical solutions：

A kind of POS LTE frequency range 4G antennas, including PCB substrate, radiating element, coaxial line, set in the PCB substrate There is radiating element, it is characterised in that：The radiating element includes the first radiating element and the second radiating element, first radiation Unit include successively vertical connection in the first radiation fin of back-shaped structure, the second radiation fin, the 3rd radiation fin, the 4th radiation fin, 5th radiation fin, the right-hand member horizontal connection of the 5th radiation fin have the 6th radiation fin, and second radiating element is included successively Vertical connection is in the 7th radiation fin, the 8th radiation fin, the 9th radiation fin, the tenth radiation fin, the 11st radiation fin of " 2 " font, The bottom righthand side of 8th radiation fin is connected with the 12nd radiation fin of inverted L-shaped, and the right-hand member of the 6th radiation fin is located at second In the upper side opening of radiating element " 2 " character form structure, the right-hand member of the 6th radiation fin is provided with the first distributing point, the 8th spoke Penetrate side adjacent with the first distributing point on piece and be provided with the second distributing point, first distributing point passes through coaxial with the second distributing point Line connects.

Further, the radiating element is copper foil circuit.

Further, dirty oil layer is covered with the pcb board on radiating element.

Further, the coaxial line includes by the interior cored wire set gradually outward, insulating barrier, screen layer and protection Layer, the cored wire of the tin plating connection coaxial line of first distributing point, the screen layer of second distributing point and coaxial line pass through tin plating Connection.

Further, the first described distributing point and the second distributing point pass through OSP PROCESS FOR TREATMENTs.

The beneficial effects of the utility model are：4G antennas of the present utility model have it is simple in construction, be readily produced making, system The advantages such as journey yields is high, reception signal flexibility ratio is good, the signal received in LTE band limits can be stablized, at the same it is anti-interference Ability is strong, and signal stabilization is good.

Brief description of the drawings

Fig. 1 is the overall structure top view of the utility model antenna assembly；

Fig. 2 is the structural representation for the coaxial line that the utility model antenna assembly uses；

Fig. 3 is the frequency response schematic diagram of the utility model antenna assembly；

Fig. 4 is the Randy Smyth figure of the utility model antenna assembly impedance operator；

Fig. 5 is the voltage standing wave ratio figure of the utility model antenna assembly.

In figure：1-PCB plates, the radiating elements of 2- first, the radiation fins of 21- first, the radiation fins of 22- second, 23- the 3rd are radiated Piece, the radiation fins of 24- the 4th, the radiation fins of 25- the 5th, the radiation fins of 26- the 6th, the radiating elements of 3- second, the radiation fins of 31- the 7th, 32- 8th radiation fin, the radiation fins of 33- the 9th, the radiation fins of 34- the tenth, the radiation fins of 35- the 11st, the radiation fins of 36- the 12nd, 4- first Distributing point, the distributing points of 5- second, 6- coaxial lines, 61- cored wires, 62- insulating barriers, 63- screen layers, 64- protective layers, 7-IPEX ends Son.

Embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below Example is only used for clearly illustrating the technical solution of the utility model, and can not limit protection model of the present utility model with this Enclose.

As shown in Figure 1-2, the utility model provides a kind of POS LTE frequency range 4G antennas, including PCB substrate 1, radiation Unit, coaxial line 6, the PCB substrate 1 are provided with the radiating element of copper foil circuit composition, it is characterised in that：The radiating element Including the first radiating element 2 and the second radiating element 3, it is in back-shaped structure that first radiating element 1, which includes vertical connection successively, The first radiation fin 21, the second radiation fin 22, the 3rd radiation fin 23, the 4th radiation fin 24, the 5th radiation fin 25, the 5th spoke Penetrating the right-hand member horizontal connection of piece 25 has the 6th radiation fin 26, and it is in " 2 " font that second radiating element 3, which includes vertical connection successively, The 7th radiation fin 31, the 8th radiation fin 32, the 9th radiation fin 33, the tenth radiation fin 34, the 11st radiation fin 35, the described 8th The bottom righthand side of radiation fin 32 is connected with the 12nd radiation fin 36 of inverted L-shaped, and the right-hand member of the 6th radiation fin 26 is located at the second spoke To penetrate in the upper side opening of unit " 2 " character form structure, the right-hand member of the 6th radiation fin 26 is provided with the first distributing point 4, and the described 8th The side adjacent with the first distributing point 4 is provided with the second distributing point 5, the distributing point 5 of the first distributing point 4 and second on radiation fin 32 Connected by coaxial line 6.

On the pcb board 1 dirty oil layer is covered with radiating element；Coaxial line 6 includes by the interior core set gradually outward Line 61, insulating barrier 62, screen layer 63 and protective layer 64, the cored wire 61 of the tin plating connection coaxial line 6 of the first distributing point 4 are described The screen layer 63 of second distributing point 5 and coaxial line 6 passes through tin plating connection；The first described distributing point 4 passes through with the second distributing point 5 OSP PROCESS FOR TREATMENTs.

As shown in figure 3, from the point of view of the frequency response test result of antenna, this antenna is in 800-900MHz and 1710- 2700MHz nearby generates very strong signal resonance, frequency band is had enough bandwidth, therefore can receive LTE frequencies well 4G signals in the range of band.

Fig. 4 be the utility model antenna assembly impedance operator Randy Smyth figure, the input impedance of antenna：Z=R+jX, wherein R represents resistance, and X represents reactance.If reactance X ＞ 0, referred to as inductance, otherwise referred to as electric capacity.It is bent in this Randy Smyth figure Line chart represents the different frequency in increasing sequence.Trunnion axis in figure represents pure resistance.Particularly importantly in 50 ohm of point, It generally represents preferable input impedance.The episphere of Randy Smyth figure is referred to as inductive hemisphere, and lower semisphere is referred to as capacitive hemisphere.

Fig. 5 is the voltage standing wave ratio of this antenna assembly, is less than 3.5: 1 in the standing-wave ratio of 800-900MHz frequency ranges, The standing-wave ratio of 1710-2700MHz frequency ranges has relatively low standing-wave ratio so that the signal stabilization of antenna probably 2.5: 1 It is good.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in Protection domain within.

Claims

1. a kind of POS is provided with LTE frequency range 4G antennas, including PCB substrate, radiating element, coaxial line, the PCB substrate Radiating element, it is characterised in that：The radiating element includes the first radiating element and the second radiating element, and first radiation is single Member include successively vertical connection in the first radiation fin of back-shaped structure, the second radiation fin, the 3rd radiation fin, the 4th radiation fin, the Five radiation fins, the right-hand member horizontal connection of the 5th radiation fin have the 6th radiation fin, and second radiating element includes hanging down successively Direct-connected the 7th radiation fin, the 8th radiation fin, the 9th radiation fin, the tenth radiation fin, the 11st radiation fin connect in " 2 " font, institute The bottom righthand side for stating the 8th radiation fin is connected with the 12nd radiation fin of inverted L-shaped, and the right-hand member of the 6th radiation fin is located at the second spoke Penetrate in the upper side opening of unit " 2 " character form structure, the right-hand member of the 6th radiation fin is provided with the first distributing point, the 8th radiation The side adjacent with the first distributing point is provided with the second distributing point on piece, and first distributing point and the second distributing point pass through coaxial line Connection.

A kind of 2. POS according to claim 1 LTE frequency range 4G antennas, it is characterised in that：The radiating element is copper Tinsel cord road.

A kind of 3. POS according to claim 1 LTE frequency range 4G antennas, it is characterised in that：Radiated on the pcb board Dirty oil layer is covered with unit.

A kind of 4. POS according to claim 1 LTE frequency range 4G antennas, it is characterised in that：The coaxial line includes By the interior cored wire set gradually outward, insulating barrier, screen layer and protective layer, the core of the tin plating connection coaxial line of the first distributing point Line, the screen layer of second distributing point and coaxial line pass through tin plating connection.

A kind of 5. POS according to claim 1 LTE frequency range 4G antennas, it is characterised in that：The first described distributing point Pass through OSP PROCESS FOR TREATMENTs with the second distributing point.