CN209626413U - A kind of all channel antenna - Google Patents

Abstract

The utility model discloses a kind of all channel antenna, belong to mobile communication technology field, including glue pipe socket, spring, PCB substrate and coaxial line are successively arranged in the glue pipe socket, the pcb board is equipped with radiating element and balun, the bottom end of the spring is connect with the upper end of the radiating element, and the coaxial line is connect after passing through the balun with the radiating element, and the balun includes the first balun set on inside and the second balun set on outside；First balun and the second balun connection.The utility model is equipped with both sides' balun in PCB substrate, can effectively inhibit height frequency range current reflux to RF coaxial line epidermis, reduce the electric heating cable effect of antenna, interference free performance enhancing effectively improves the gain bandwidth of antenna；And structure is simple, product defect rate is low, is readily produced.

Description

A kind of all channel antenna

Technical field

The utility model relates to mobile communication technology field, in particular to a kind of all channel antenna.

Background technique

Antenna is the front end of emission and reception device of wireless telecommunications, and performance affects the laser propagation effect of electric wave, all nothings Line communication system can all use and arrive antenna, therefore antenna occupies an important position in wireless telecommunications, a structurally reasonable performance Excellent high-gain aerial system can utmostly reduce the requirement to entire wireless telecommunication system, save the cost, to propose again High performance, with the rapid development of wireless telecommunications, therefore, the antenna research of mobile terminal has become an important research side To.

The development that the whole network leads to technology also brings great challenge to the design of 4G terminal antenna simultaneously.

1, frequency impedance bandwidth problem:

Mainly there are two frequency ranges, i.e. 690-960MHz and 1710-2690MHz for 4G network at present.Low-frequency range and high frequency Section bandwidth is respectively 270MHz and 980MHz, and so wide impedance bandwidth becomes the difficult point of 4G terminal antenna design.

2, directional diagram gain bandwidth and efficiency:

For broadband antenna design other than above-mentioned impedance bandwidth problem, more troublesome problem how is guaranteed in work frequency The directional diagram omnidirectional as far as possible of rate range internal antenna is simultaneously consistent, and the gain of antenna and efficiency are uniform as far as possible, only in this way just can guarantee Under the communication pattern of each operator, antenna performance can be compatible with.

Utility model content

The utility model provides a kind of all channel antenna, solves the problems, such as existing all channel antenna impedance bandwidth.

In order to solve the above technical problems, the technical solution of the utility model are as follows:

The utility model provides a kind of all channel antenna, including glue pipe socket, and spring, PCB are successively arranged in the glue pipe socket Substrate and coaxial line, the pcb board are equipped with radiating element and balun, the upper end of the bottom end of the spring and the radiating element Connection, the coaxial line are connect after passing through the balun with the radiating element, and the balun includes set on the first of inside Balun and the second balun set on outside；First balun and the second balun connection.

Wherein it is preferred to the braiding layer of the coaxial line and first balun connection.

Wherein it is preferred to which the core layer of the coaxial line is connect with the radiating element.

Wherein it is preferred to which the radiating element includes the first radiator, the second radiator and third radiator.

Wherein it is preferred to be coupled between first radiator and second radiator equipped with made of metal first Part.

Wherein it is preferred to be coupled between second radiator and the third radiator equipped with made of metal second Part.

The utility model has the beneficial effects that

The utility model is equipped with both sides' balun in PCB substrate, can effectively inhibit height frequency range current reflux to penetrating Frequency coaxial line epidermis, reduces the electric heating cable effect of antenna, and interference free performance enhancing effectively improves the gain band of antenna It is wide.

Radiator in the utility model includes the first radiator, the second radiator, third radiator, also, the first spoke Beam, the second radiator and third radiator avoid the direction of Different Radiators from deviating by the way of male part coupling, are promoted The impedance bandwidth of radiator.

The utility model structure is simple, and product defect rate is low, is readily produced.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of all channel antenna in the utility model.

In figure, 1. glue pipe sockets, 2. springs, 3.PCB substrate, 4. coaxial lines, 5. first radiators, 6. second radiators, 7. Third radiator, 8. first male parts, 9. second male parts, 10. first baluns, 11. second baluns

Specific embodiment

Below in conjunction with the utility model specific embodiment, the technical solution of the utility model is carried out clearly and completely Description, it is clear that the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments.It is based on The embodiments of the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all Other embodiments are fallen within the protection scope of the utility model.

As shown in Figure 1, the present embodiment provides a kind of all channel antenna, including glue pipe socket 1, bullet is successively arranged in glue pipe socket 1 Spring 2, PCB substrate 3 and coaxial line 4, pcb board are equipped with radiating element and balun, and the bottom end of spring 2 is upper with the radiating element End connection, coaxial line 4 pass through balun after connect with radiating element, balun include set on inside the first balun 10 and be set to Second balun in outside；First balun 10 is connect with the second balun 11.Both sides' balun, Neng Gouyou are equipped in PCB substrate 3 Effect ground inhibits height frequency range current reflux to 4 epidermis of RF coaxial line, reduces the electric heating cable effect of antenna, and interference free performance increases By force, the gain bandwidth of antenna is effectively improved.Also, the length of double baluns can satisfy the bandwidth frequency range of high band, so that Height frequency range can share balun.

Wherein, the connection type of coaxial line 4 and braiding layer and the first balun 10 is respectively as follows: the braiding layer of coaxial line 4 and the The connection of one balun 10, the core layer of coaxial line 4 are connect with radiating element.

Wherein, radiating element includes the first radiator 5, the second radiator 6 and third radiator 7.Also, in order to improve spoke The impedance bandwidth of beam is equipped with the first male part 8 made of metal, second between the first radiator 5 and the second radiator 6 The second male part 9 made of metal, the first radiator 5, the second radiator 6 and the are equipped between radiator 6 and third radiator 7 Three radiators 7 avoid the direction of Different Radiators from deviating by the way of male part coupling, conducive to the impedance band for promoting radiator It is wide.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (6)

1. a kind of all channel antenna, including glue pipe socket, it is successively arranged spring, PCB substrate and coaxial line in the glue pipe socket, it is special Sign is: the pcb board is equipped with radiating element and balun, and the bottom end of the spring is connect with the upper end of the radiating element, The coaxial line pass through the balun after connect with the radiating element, the balun include set on inside the first balun with And the second balun set on outside；First balun and the second balun connection.

2. a kind of all channel antenna according to claim 1, it is characterised in that: the braiding layer of the coaxial line and described the One balun connection.

3. a kind of all channel antenna according to claim 1, it is characterised in that: the core layer of the coaxial line and the spoke Penetrate unit connection.

4. a kind of all channel antenna according to claim 1, it is characterised in that: the radiating element includes the first radiation Body, the second radiator and third radiator.

5. a kind of all channel antenna according to claim 4, it is characterised in that: first radiator and second spoke The first male part made of metal is equipped between beam.

6. a kind of all channel antenna according to claim 4, it is characterised in that: second radiator and the third spoke The second male part made of metal is equipped between beam.