It is applied to Internet of Things outdoor communication antenna
Technical field
The present invention relates to communication antenna technical field, more particularly to one kind is applied to Internet of Things outdoor communication antenna.
Background technology
With the development of the development of information communication, especially wireless telecommunications, as wireless telecommunications antenna applications increasingly
Extensively, limited by antenna protection and cost of manufacture, the shell of existing small-sized 4G antennas is typically with die sinking mode and produces, but
Its production cost is high, and the production cycle is more long.Simultaneously during casing forming external using injection side's work, need high temperature high during due to injection
Pressure, easily produces harmful effect to feeder line and antenna solder joint, cannot also be reused when occurring bad.
The content of the invention
Internet of Things outdoor communication antenna is applied to the present invention solves the technical problem of one kind is provided, this is applied to thing
Networking outdoor communication antenna can avoid antenna casing from being produced using die sinking injection molding manner, reduce production cost.Note is avoided simultaneously
HTHP produces harmful effect to antenna when being moulded type.
In order to solve the above problems, the present invention provides one kind and is applied to Internet of Things outdoor communication antenna, and this is applied to Internet of Things
Net outdoor communication antenna, including antenna body and the antenna fixing seat that is connected with antenna body, and for being communicated with antenna
Connector, the antenna body includes hollow shell and the antenna circuit board in shell, is set on the antenna circuit board
There are the first printed antenna and the second printed antenna, first printed antenna and the second printed antenna are connected with feeder line one end respectively,
The other end of the feeder line is connected with connector, and top is provided with antenna cap on the shell.
Further say, the antenna circuit board is provided with limiting section.
Further say, the shell is fiberglass pipe.
Further say, the feeder line coaxial wire.
Further say, first printed antenna is provided with the first pad, the second printed antenna is provided with the second pad, this
One pad and the second pad are connected with the coaxial cable for being connected radio frequency (RF) coaxial connector, and first pad is electrically connected including two
The welding block for connecing, is provided with first gap suitable with coaxial cable inner core diameter, the second pad bag between two welding blocks
Two welding blocks of electrical connection are included, second gap suitable with the outer core diameter of coaxial cable is provided between two welding blocks.
Further say, first printed antenna is made up of the printed circuit for closing, in the same side printed portions circuit
Two strips of protrusion are formed, into concave shape, first pad is located at from the outwardly position in concave shape bottom its entirety;Institute
The second printed antenna is stated by the printed circuit group that closes, printed portions circuit forms two strips of protrusion in the same side, and its is whole
Into concave shape, second pad is located at from the outwardly position in concave shape bottom body.
Further say, the strip of the protrusion of the first printed antenna two is parallel to each other;Second printed antenna two is convex
The strip for going out is parallel to each other.
Further say, superposed part strip antenna length is more than the part strip antenna positioned at bottom.
The present invention is applied to Internet of Things outdoor communication antenna, including antenna body and the antenna fixing seat that is connected with antenna body,
And the connector for being communicated with antenna, the antenna body include hollow shell and the antenna circuit in shell
Plate, is provided with the first printed antenna and the second printed antenna on the antenna circuit board, and first printed antenna and second prints day
Line is connected with feeder line one end respectively, and the other end of the feeder line is connected with connector, and top is provided with antenna cap on the shell.Due to
Using existing material such as shell fiberglass pipe as antenna casing, it is not necessary to carry out using avoid antenna casing using die sinking note
Modeling mode is produced, and can reduce production cost.The influence that HTHP is produced to antenna when avoiding injection moulding simultaneously.In glass
The top of fibre pipe can play waterproof action using cap sleeve, it is to avoid rainwater enters inner antenna when outdoor influences electric property,
Because the fiberglass pipe is existing section bar, can not be influenceed by antenna length, antenna length is unrestricted, thus can be with
Improve antenna performance, also reduce manufacture difficulty detailed.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, and the accompanying drawing in describing is of the invention one
A little embodiments, to those skilled in the art, on the premise of not paying creative work, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is to be applied to Internet of Things outdoor communication antenna embodiment structural representation.
Fig. 2 is the antenna structure example structure schematic diagram without shell.
Fig. 3 is antenna circuit board example structure schematic diagram.
Fig. 4 is part A structure enlarged diagram in Fig. 3.
Fig. 5 is antenna circuit board and feeder line combination schematic diagram.
With reference to embodiment, and referring to the drawings, realization, functional characteristics and advantage to the object of the invention are described further.
Specific embodiment
In order that the purpose, technical scheme and advantage to be invented are clearer, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is invention
A part of embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained on the premise of making creative work, belongs to the scope of protection of the invention.
As depicted in figs. 1 and 2, one kind of the present invention is applied to Internet of Things outdoor communication antenna embodiment.
This is applied to Internet of Things outdoor communication antenna, including antenna body and the antenna fixing seat 2 that is connected with antenna body,
And the connector 3 for being communicated with antenna, the antenna body include hollow shell 1 and the antenna electric in shell 1
Road plate 5, is provided with the first printed antenna and the second printed antenna on the antenna circuit board 5, and first printed antenna and second prints
Brush antenna is connected with the one end of feeder line 6 respectively, and the other end of the feeder line is connected with connector, and top is provided with antenna on the shell
Cap.
Specifically, the antenna circuit board is provided with the first limiting section 7 and prevents antenna circuit board 5 in glass fibre
Abnormal sound during pipe internal vibration.The shell 1 uses fiberglass pipe.The coaxial wire of the feeder line 6.Under normal circumstances, antenna electric
Road plate 5 to be used and etch antenna on printed circuit board (PCB), i.e. pcb board.According to the length of antenna circuit board 5, can also be set
Two limiting sections 8.
Due to using existing material such as shell fiberglass pipe as antenna casing, it is not necessary to carry out use avoid outside antenna
Shell can reduce production cost using die sinking injection molding manner production.HTHP is produced to antenna when avoiding injection moulding simultaneously
Influence.Waterproof action can be played using cap sleeve on the top of fiberglass pipe, it is to avoid rainwater enters inner antenna when outdoor
Influence electric property, because the fiberglass pipe is existing section bar, can not be influenceed by antenna length, and antenna length is not received
Limitation, thus antenna performance can be improved, also reduce manufacture difficulty detailed.
First printed antenna 9 is provided with the first pad 10, and the second printed antenna 12 is provided with the second pad 11, first pad 10
Connected with the feeder line 6 for being connected radio frequency (RF) coaxial connector with the second pad 12, the feeder line uses coaxial cable 6, first pad
10 include two welding blocks of electrical connection, and first gap suitable with coaxial cable inner core diameter is provided between two welding blocks
101, second pad 11 includes two welding blocks of electrical connection, is provided between two welding blocks and the outer core diameter of coaxial cable
The second suitable gap 110.
The first printed wire antenna, 2 printed circuit by closing is constituted, and in the same side, printed portions circuit forms two
The strip of individual protrusion, into concave shape, first pad 4 is located at from the outwardly position in concave shape bottom its entirety;Described
By the printed circuit group that closes, in the same side, printed portions circuit forms two strips of protrusion to two printed wire antennas 3, and its is whole
Into concave shape, second pad 5 is located at from the outwardly position in concave shape bottom body.
In welding, due to being provided with gap, the inner core of coaxial cable and outer core difference position between two welding blocks of pad
In the corresponding gap of two pads, do not result in cable and there is the phenomenon of rosin joint with its position directly below pad, can make to be located at
The antenna performance of dense distribution is improved.The area of solder joint is reduced simultaneously, reduces material cost.
In the above-described embodiments, the strip of the protrusion of the first printed wire antenna two is parallel to each other;Second printing
The strip of the protrusion of Wire Antennas two is parallel to each other.Superposed part strip antenna length is more than the part strip positioned at bottom
Antenna.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that:It still can be to foregoing each implementation
Technical scheme described in example is modified, or equivalent is carried out to which part technical characteristic, and these are changed or replace
Change, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.