CN2465337Y

CN2465337Y - Radio receiving-transmitting device

Info

Publication number: CN2465337Y
Application number: CN 00265741
Authority: CN
Inventors: 古高桐; 杨杰
Original assignee: HANSHUO SCIENCE AND TECHNOLOGY CO LTD TAIWAN
Current assignee: HANSHUO SCIENCE AND TECHNOLOGY CO LTD TAIWAN
Priority date: 2000-12-25
Filing date: 2000-12-25
Publication date: 2001-12-12
Anticipated expiration: 2010-12-25

Abstract

The utility model relates to an antenna receiving-transmitting device, which comprises a plate-shaped antenna, an antenna box, a power cord, a signal wire, etc. A plate-shaped wire which is arranged in the antenna box comprises a circuit board, a conductive middle layer and a plate antenna, wherein, the middle layer is clamped between the ground layer of the circuit board and the ground plane of the plate antenna, and surface contact connection can be formed; a conductive bar is sheathed and penetrated through a feeding hole on the plate antenna, a middle hole on the middle layer and a feeding hole on the circuit board, so that a Coaxial cable structure can be formed. The utility model has the advantages that the loss of signal transmission can be reduced, heat can be radiated, and the utility model can be used for receiving and transmitting microwave signals with stronger power. The utility model has the advantages of simple structure, and convenient and quick assembly and production.

Description

Receiving and transmitting unit of antenna

The utility model relates to a kind of receiving and transmitting unit of antenna, particularly contact rod and runs through plate aerial, intermediate layer and circuit board, and connects radiating element, circuit layer respectively, is used to receive, the receiving and transmitting unit of antenna of microwave radiation signal.

At present, antenna commonly used is that metal radiation element connects a deflection cable, is fixedly coupled terminal on this cable one end connecting circuit plate, and the other end then connects the splicing ear of a plate aerial.This plate aerial is for receiving the microwave signal of different directions, often must adjust the different orientation and the elevation angle, as shown in Figure 1, usually adorn a rotating member 12 and a deflecting element 13 in the cable 10 and the junction of plate aerial 11, deflecting element 13 connects plate aerial 11, rotating member 12 is connected with housing shaft, cable 10 must pass rotating member 12, pass deflecting element 13 again, just connects plate aerial 11 then.Yet when constantly orientation, angle were adjusted in rotation, rotating member 12 came off easily with the junction of cable 10, loosening, caused to connect defectives such as unreal transmitting signals is bad.In addition, because cable is long, when cable transmitted microwave, because of power loss produces heat, heat constantly accumulated, and temperature increases, and causes cable transmission microwave signal efficient low.Cable connects rotating member will prevent that not only bad connection from causing the transmission microwave signal bad, more can cause temperature to increase because of dispel the heat bad and cable conduction current increase of cable, thermal noise increases, and signal strength is attenuated, no matter emission or the signal to noise ratio that receives variation all consequently.Moreover be equiped with cooperating of deflecting element and rotating member on the plate aerial, rotating member is stube cable again, makes this device assembling difficulty, production efficiency low.To sum up, the plate aerial of prior art is formed in conjunction with rotating member with cable, has more defective using and make.

The purpose of this utility model is to overcome the deficiencies in the prior art and defective, a kind of receiving and transmitting unit of antenna is proposed, it is conversion position and angle easily, contact rod runs through plate aerial, intermediate layer and circuit board, and connects radiating element and circuit layer respectively, makes plate aerial can receive and launch bigger microwave signal, power loss is little, the heat that produces is easily dispersed, and simple in structure, assembles convenient for production quick.

The purpose of this utility model is achieved through the following technical solutions.

A kind of receiving and transmitting unit of antenna, comprise billboard antenna, antenna box, power line, holding wire etc., it is characterized in that billboard antenna places in the antenna box, it comprises circuit board, the intermediate layer and the plate aerial of conduction, the intermediate layer is folded between the ground plane of the ground plane of circuit board and plate aerial, and the contact of formation face connects, contact rod covers the power feed hole on the plate aerial, mesopore on the intermediate layer and the power feed hole on the circuit board, the one end connects the radiating element of plate aerial, the lead of other end connecting circuit plate, between contact rod and the intermediate layer insulator is arranged, contact rod forms coaxial cable structure corresponding to the intermediate layer.

One side of described circuit board is covered with the ground plane of conductive material, and opposite side plugs circuit layer, is provided with a power feed hole on circuit board, is separated with certain clearance between power feed hole and the ground plane.

The intermediate layer of described conduction is stacked and placed on the ground plane of circuit board, interconnects, and a mesopore is arranged on the intermediate layer, and is corresponding with the power feed hole of circuit board.

One side of described plate aerial is provided with ground plane with conductivity and is connected with the intermediate layer, and opposite side is provided with the radiating element of predetermined number, and radiating element is provided with a power feed hole that runs through, and is corresponding with the mesopore on the intermediate layer.

Described insulator filling is coated on the periphery of contact rod in the mesopore in intermediate layer.

Described insulator is an air.

Described insulator is poly-tetrafluoroethylene.

Described antenna box comprises housing, loam cake and base, and housing and loam cake fasten mutually, and hinged with base, and there is big frictional force the hinged place, antenna box can be merged draw in and open to be in any needed angle.

Advantage of the present utility model is that it has overcome the deficiencies in the prior art and defective, and conversion position and angle can be transmitted and disperse heat easily, be easy to receive and the big microwave signal of emission, and simple in structure, assemble convenient for production quick.

Brief Description Of Drawings:

Fig. 1 is that the prior art plate aerial passes the schematic diagram that rotating member is connected with deflecting element with cable;

Fig. 2 is the schematic perspective view of the utility model receiving and transmitting unit of antenna;

Fig. 3 is the schematic perspective view of the utility model critical piece;

Fig. 4 is plate aerial combination of the present utility model and assembling schematic diagram;

Fig. 5 is that plate aerial of the present utility model is combined in the schematic diagram in the antenna box body;

Fig. 6 is a plate aerial combination cross-sectional schematic of the present utility model;

Fig. 7 is the cross-sectional schematic that the mesopore in the intermediate layer of second embodiment of the present utility model is filled Teflon;

Fig. 8 is the circuit board of the 3rd embodiment of the present utility model and the schematic diagram of contact rod combination.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Embodiment one:

Most preferred embodiment of the present utility model is shown in Fig. 2,3,4,5,6, the housing 20 of antenna box 2 is selected for use and is not hindered the microwave signal material, spatial accommodation of a size suitable, be provided with four backstays 21 in it, loam cake 22 with material can fasten this housing 20, and its corresponding backstay 21 places are provided with four fixed covers 23.

Circuit board 30 is that multilayer circuit plate structure, present embodiment are bilayer, the ground plane 31 of its upper sides coating one metal conductive materials, and the another side plugs a circuit layer 32, plugs electronic component on it.The signal of the corresponding circuits layer 32 feedback place of connecing establishes a power feed hole 33 on the circuit board 30, this power feed hole 33 is in abutting connection with the complete etching of quilt between the ground plane 31 and form an annular groove 34, this annular groove 34 is the zone of no conductive material, and making has appropriate gap between power feed hole 33 and the ground plane 31.In addition, power feed hole 33 is positioned at annular groove 34 opposite sides and is provided with a lead 35 connection circuit layers 32.Circuit board 30 corresponding backstays 21 are provided with four circular holes 36.

As shown in Figure 3, Figure 4, intermediate layer 40 is the good conductors with proper area and thickness, has the good thermal conductivity performance, and present embodiment is the metal aluminum sheet of 3 millimeters thick.The recline ground plane 31 of circuit board 30 of 40 1 sides, intermediate layer, both form contact-making surface, and have suitably big contact area.The mesopore 41 of a suitable diameter is established in the position of the power feed hole 33 of intermediate layer 40 corresponding circuits plates 30.In addition, the circular hole 36 of intermediate layer 40 corresponding circuits plates is provided with two circular holes 42.

Plate aerial 50 slightly is homalographic with corresponding intermediate layer 40, and two circular holes 51 are also established in the position of two circular holes 42 in corresponding intermediate layer 40.The bottom of plate aerial 50 is established a ground plane 52 with conductive metal material, and present embodiment is a copper, these ground plane 52 closing intermediate layers 40, both contacts and have suitably big contact area.In addition, the radiating element 53 of a proper area is established in plate aerial 50 another sides.Plate aerial 50 is established a power feed hole that runs through 54 corresponding to the signal feedback place of connecing in radiating element 53 zones, and this power feed hole 54 is in abutting connection with the complete etching of quilt between the ground plane 52 and form an annular groove 55, makes between power feed hole 54 and the ground plane 52 to have appropriate gap.

Contact rod 60 is the good conductor metal bars with suitable length, diameter, it covers power feed hole 33, the mesopore 41 on the intermediate layer 40 and the power feed hole 54 on the plate aerial 50 on the circuit board 30, contact rod 60 1 ends connect the radiating element 53 of plate aerial 50, the other end is the lead 35 of connecting circuit plate 30 then, connection circuit layer 32.

Fill insulator 70 fillings in mesopore 41, and be coated on the periphery of contact rod 60, contact rod 60 forms isolated with intermediate layer 40.

During installation, contact rod 60 1 ends cover power feed hole 33 from the ground plane 31 of circuit board 30, and the lead 35 and the welding of a distolateral contact circuit layer 32 of contact rod 60 are communicated with; Again with mesopore 41 corresponding contact rod 60 fits in intermediate layer 40, then down with the ground plane 52 of plate aerial 50, make power feed hole 54 cover contact rod 60, simultaneously with

circular hole

36,42,51 alignment of circuit board 30, intermediate layer 40, plate aerial 50, another distolaterally sentences the radiating element 53 of plate aerial 50 and contact rod 60 welding manner in power feed hole 54 and is communicated with; The circuit layer 32 of circuit board 30 and makes the backstay 21 of

circular hole

36,42,51 involutory box bodys 20 down, and circuit board 30, intermediate layer 40, plate aerial 50 are stacked and be placed in the box body 20 affixed being integral.Buckle loam cake 22 then, integral installation is on base 24.The hinged place is installed big frictional force, and it can merge antenna box 2 and draw in and open and is in any needed angle.This kind structure can be exempted the complex steps of serial connection cable in the prior art, makes that assembling is very convenient, can reduce labour cost greatly.

As shown in Figure 6, contact rod 60 passes the power feed hole 33 of circuit board 30, the outer peripheral edges of power feed hole 33 are by complete etching, form annular groove 34 and separate ground plane 31, contact rod 60 and ground plane 31 are and separate shape and be not connected, the power feed hole 54 that same contact rod 60 passes plate aerial 50, the outer peripheral edges of power feed hole 54 are by complete etching, form annular groove 55 and separate ground plane 52, the circuit layer 32 of contact rod 60 1 end connection circuit plates 30, the other end then is communicated with the radiating element 53 of plate aerial 50, and contact rod 60 forms and covers mesopore 14 simultaneously, contact rod 60 peripheries coat for filling insulator 70, and cooperate the structure that forms coaxial cable with intermediate layer 40.

Present embodiment mesopore 41 internal diameters are 2.7mm, the diameter of contact rod 60 is 1.2mm, filling insulator 70 is air, be poured into the space between mesopore 41 and the contact rod 60, it is electrolyte that contact rod 60 cooperates the air in this space, can obtain bigger power output, be fit to high frequency or wideband microwave and use.

In addition, the ground plane 31 of the corresponding connecting circuit plate 30 in 40 both sides, intermediate layer, the ground plane 52 of plate aerial 50, promptly ground plane 31, intermediate layer 40 and ground plane 52 are connected, and all are the face contact and connect, and form ground structure, form zero potential; Radiating element 53 connects power feed hole 54 inner ring edges, and the lead 35 of circuit layer 32 connects power feed hole 33, makes contact rod 60 form the structure of coaxial cable.Provide radiating element 53 generations of the circuit layer 32 corresponding plate aerials 50 of circuit board 30 to be electrically connected, utilize ground plane 31, intermediate layer 40 and ground plane 52 to form zero potential, contact rod 60 transmission are electrically connected the microwave signal of generation, can reduce the situation of signal attenuation greatly by power feed hole 33, mesopore 41 and power feed hole 54, the effect that is electrically connected of circuit layer 32, radiating element 53 greatly improves, and transmits and receives effect simultaneously and also improves greatly.

During contact rod 60 conduct electricity wave powers, can produce thermal loss, and around contact rod 60, produce heat, circuit layer 32, radiating element 53 is when Transmission Microwave, also can produce heat, through circuit board 30, plate aerial 50 and contact rod 60 transmit, intermediate layer of the present utility model 40 usefulness metallic aluminiums are made, has good heat-conductive characteristic, intermediate layer 40 can be rapid, in large quantities the heat in the mesopore 41 is dissipated, the ground plane 31 of circuit board 30, the ground plane 52 of plate aerial 50 all is the face contact and connects intermediate layer 40, heat-transfer effect is good, the heat that Transmission Microwave is produced can be rapid by multiple mode, transmit in large quantities and distribute, contact rod 60 and around fills the environment that insulator 70 can keep proper temperature, contact rod 60 can more effective transmission electric wave power; Especially can bring into play its good effect for powerful electric wave output.

Embodiment two:

Second embodiment of the present utility model is identical substantially with most preferred embodiment.As shown in Figure 7, its difference is that the mesopore 41 in intermediate layer 40 fills that insulators 70 ' (popular name is: English teflon, literal translation: Teflon) for poly-tetrafluoroethylene.The internal diameter of the utility model mesopore 41 is 4mm, the diameter of contact rod 60 is 1.2mm, filling insulator 70 ' be Teflon, utilize it to absorb the little feature of electric wave ratio, it is poured into space between mesopore 41 and the contact rod 60, utilize the Teflon in this space to be dielectric medium, can be fit to high frequency and wideband microwave and use.Moreover electric conductor 60 peripheries are fully wrapped up Teflon, and form stable support, and electric conductor 60 can more accurate corresponding mesopore 41 geometric center positions, contact rod 60 transmit microwaves for receive, emission, effect also improves relatively.

Embodiment three:

The 3rd embodiment of the present utility model is identical substantially with above-mentioned two embodiment.As shown in Figure 8, its difference is the contact-making surface 37 that power feed hole 33 inner peripheral surfaces of circuit board 30 are provided with a good conductor, this contact-making surface 37 connects lead 35 and forms connection circuit layer 32, contact-making surface 37 is positioned at 33 weeks of power feed hole comprehensively, can cooperate contact rod 60 to cover power feed hole 33, contact rod 60 is contacts contact face 37 fully, and easier corresponding geometric center.Especially when mesopore 41 is filled Teflon, contact rod 60 peripheries are fully wrapped up Teflon, form fixed bit, contact rod 60 fit power feed hole 33, can guarantee contacts contact face 37, the geometric center of contact rod 60 and easier aligning mesopore 41, contact rod 60 are transmitted microwave for receiving, launching, and effect also improves relatively.

In sum, the utility model receiving and transmitting unit of antenna, be that the ground plane of ground plane, intermediate layer, the plate aerial of circuit board is connected and forms ground connection, electric conductor passes circuit board, intermediate layer, plate aerial, radiating element, form coaxial cable structure, can transmit heat and reception, the big microwave signal of emission, and simple in structure the convenience assembled production fast.

Claims

1. receiving and transmitting unit of antenna, comprise billboard antenna (1), antenna box (2), power line (3), holding wire (4) etc., it is characterized in that billboard antenna (1) places in the antenna box (2), it comprises circuit board (30), the intermediate layer (40) and the plate aerial (50) of conduction, intermediate layer (40) is folded between the ground plane (52) of the ground plane (31) of circuit board (30) and plate aerial (50), and the contact of formation face connects, contact rod (60) covers the power feed hole (54) on the plate aerial (50), mesopore (41) on the intermediate layer (40) and the power feed hole (33) on the circuit board (30), the one end connects the radiating element (53) of plate aerial (50), the lead (35) of other end connecting circuit plate (30), between contact rod (60) and intermediate layer (40) insulator (70) is arranged, contact rod (60) forms coaxial cable structure corresponding to intermediate layer (40).

2. device according to claim 1, it is characterized in that a side of described circuit board (30) is covered with the ground plane (31) of conductive material, opposite side plugs circuit layer (32), on circuit board (30), be provided with a power feed hole (33), be separated with certain clearance between power feed hole (33) and the ground plane (31).

3. device according to claim 1, the intermediate layer (40) that it is characterized in that described conduction is stacked and placed on the ground plane (31) of circuit board (30), interconnect, a mesopore (41) is arranged on intermediate layer (40), corresponding with the power feed hole (33) of circuit board (30).

4. device according to claim 1, a side that it is characterized in that described plate aerial (50) is provided with ground plane (52) with conductivity and is connected with intermediate layer (40), opposite side is provided with the radiating element (53) of predetermined number, radiating element (53) is provided with a power feed hole that runs through (54), and is corresponding with the mesopore (41) on intermediate layer (40).

5. device according to claim 1 is characterized in that described insulator (70) filling in the mesopore (41) of intermediate layer (40), is coated on the periphery of contact rod (60).

6. device according to claim 5 is characterized in that described insulator (70) is an air.

7. device according to claim 5 is characterized in that described insulator (70) is poly-tetrafluoroethylene.

8. device according to claim 1, it is characterized in that described antenna box (2) comprises housing (20), loam cake (22) and base (24), housing (20) fastens mutually with loam cake (22), and it is hinged with base (24), there is big frictional force the hinged place, antenna box (2) can be merged draw in and open to be in any needed angle.