A kind of micro-strip circulator
Technical field
The utility model is related to the technical field of wireless telecommunications system, specially a kind of micro-strip circulator.
Background technology
In existing wireless communication system, emitter is that have an important part, by power amplifier (PA),
The part such as coupler, circulator/isolator, connector, duplexer and antenna is constituted, and wherein coupler is used for the related prison of link
Brake, circulator or isolator (circulator constitutes isolator with power absorption load combinations) are used to protect power tube, connect
Output signal is transferred to duplexer by device.All it is similar design in wireless domain, but with Development of Wireless Communications, to small-sized
The requirement more and more higher of change.
In the prior art, micro-strip circulator its include cylinder with cover, bottom plate, the cylinder lid with cover is loaded on bottom
Plate, the interior intracavitary of cylinder with cover, which is disposed with intracavitary element, the intracavitary element, includes circuit part, the circuit part
Three pin evaginations and extend through cylinder outer ring surface with cover it is corresponding avoid it is convex in the outer of cylinder with cover on rear side of hole slot
Anchor ring, in addition, the bottom plate being fixedly mounted with corresponding to existing cylinder with cover is necessary for metal structure, bottom plate is installed in the end of circuit board
On face, the structure design is to ensure that bottom plate can fully be contacted with external circuit, it is ensured that the ground connection performance of total, so
And due to the defect of process for manufacturing bottom plate, the flatness of bottom plate is affected, can exist and there is gap between bottom plate and external circuit
Possibility, and then influence the use of whole micro-strip circulator.
The content of the invention
In view of the above-mentioned problems, the utility model provides a kind of micro-strip circulator, it is able to ensure that circulator and external electrical
The adequately grounded property on road, and then ensure that the normal of micro-strip circulator is used.
A kind of micro-strip circulator, its technical scheme is such:It includes cylinder with cover, bottom plate, the cylinder with cover
Escape groove is provided with the anchor ring of body, the bottom of the cylinder with cover is installed in the bottom plate, the cylinder with cover and institute
State in the cavity that floor combination is formed and be provided with intracavitary element, it is characterised in that:The bottom plate is specially metal and plastics
Being fixedly mounted with the position of part for cylinder with cover is provided with metallic connection parts on mixed materials structure, the bottom plate
Point, the center position of the bottom plate is provided with central metal join domain, and every piece of metal connector is by being embedded in
Metal wire/bonding jumper in plastics is connected to central metal join domain, some metal connectors, central metal connection
In region at least one at external circuit can be connected by scolding tin.
It is further characterized by:The bottom plate is specially pcb board, and the printing in the pcb board is metal material;
The bottom of the central metal join domain is exposed to be had and passes through metal between several connecting holes, the connecting hole
Line/or bonding jumper mutually form connection, and the connecting hole can be used for connecting external circuit by scolding tin;
The outer shroud face ring of the cylinder with cover is furnished with three escape groove, and the intracavitary element includes circuit part, institute
State circuit part three evaginations pin run through the corresponding escape groove after bending arranged downwards perpendicular to the bottom plate, institute
State the position on bottom plate corresponding to the pin and be provided with pin escape groove, the structure causes pin not extend out, and then ensures
The volume of whole micro-strip circulator reduces relative to the pin that extends out before;
The lower end of the cylinder with cover, which is provided with down on convex connection bump, the bottom plate, corresponds to the connection bump
Position be provided with positioning hole groove, the connection bump is installed in the positioning hole groove, the positioning hole by riveting/or welding
Metal connector is provided with the inwall of groove;
The column part of the cylinder with cover is divided into three sections of discontinuous circular arc portions, every section of circle by three escape groove
The bottom that arc portion is divided to is respectively arranged with connection bump convex under two, under convex connection bump be installed in the corresponding positioning hole
After groove, gap is left between the bottom surface of every section of circular arc portion and the upper surface of the bottom plate;
When for monomer circulator, the bottom plate is shaped as circular configuration, and the diameter of the bottom plate covers the pin
Corresponding face domain after bending;
When the circulator array for matrix arrangements, the bottom plate is shaped as rectangle, if corresponding to single circulator
Dry metal connector, central metal join domain, positioning hole groove, pin escape groove combine to form a machining cell, described
Multiple machining cells according to design rectanglar arrangement are provided with bottom plate, the single cylinder with cover with intracavitary element is fixed one by one
The pin that the lower end of corresponding positioning hole groove, the pin on corresponding machining cell is located at correspondence position is avoided
In groove;
It is specially pcb board in the rectangular base plate, is arranged in the micro-strip circulator of the enterprising row matrix formula of rectangle pcb board, it is full
The various demand of foot, realizes that multiband is used so that the circulator in whole equipment can save equipment a large amount of with centralized arrangement
Space.
After adopting the above technical scheme, external circuit need not must be positioned over the lower section of micro-strip circulator by circuit board,
The optional position that micro-strip circulator can be disposed in total, it is only necessary to by the metal connector of bottom plate, some centers gold
Category join domain at least one at external circuit can be connected by scolding tin, it is ensured that ground connection, its be able to ensure that circulator and
The adequately grounded property of external circuit, and then ensure that the normal of micro-strip circulator is used, and cause setting using the micro-strip circulator
The position of the standby circulator that can rationally arrange according to the actual requirements, is that the assembling of complete set of equipments is provided a great convenience.
Brief description of the drawings
Fig. 1 is the structural representation of monomer micro-strip circulator of the present utility model;
Fig. 2 looks up figure structure schematic representation for Fig. 1's;
Fig. 3 is the structure schematic diagram of matrix micro-strip circulator of the present utility model;
Title in figure corresponding to sequence number is as follows:
Cylinder 1 with cover, bottom plate 2, escape groove 3, intracavitary element 4, metal connector 5, central metal join domain 6,
Connecting hole 7, pin 8, pin escape groove 9, connection bump 10, positioning hole groove 11, circular arc portion 12, gap 13.
Embodiment
A kind of micro-strip circulator, is shown in Fig. 1, Fig. 2:It is included on cylinder 1 with cover, bottom plate 2, the anchor ring of cylinder 1 with cover
Escape groove 3 is provided with, the bottom of cylinder 1 with cover is installed in bottom plate 2, and cylinder 1 and bottom plate 2 with cover combine formed cavity
Intracavitary element 4 is inside provided with, bottom plate 2 is specially to correspond to cylinder with cover on the mixed materials structure of metal and plastics, bottom plate 2
1 be fixedly mounted with the position of part is provided with metal connector 5, and the center position of bottom plate 2 is provided with central metal bonding pad
Domain 6, every piece of metal connector 5 (is not drawn into figure by the metal wire/bonding jumper being embedded in plastics, belongs to circuit connection
Common structure) be connected in central metal join domain 6, some metal connectors 5, central metal join domain 6 extremely
External circuit can be connected by scolding tin at few one.
The printing that bottom plate 2 is specially in pcb board, pcb board is metal material;
The bottom of central metal join domain 6 is exposed to be had and passes through metal wire/or gold between several connecting holes 7, connecting hole 7
Category bar (being not drawn into figure, belong to the common structure of circuit connection) mutually forms connection, and connecting hole 7 can be used for connecting by scolding tin
External circuit;
The outer shroud face ring of cylinder 1 with cover is furnished with three escape groove 3, and intracavitary element 4 includes circuit part, circuit part
The pins 8 of three evaginations run through after corresponding escape groove 3 that bending is arranged downwards perpendicular to bottom plate 2, pin is corresponded on bottom plate 2
8 position is provided with pin escape groove 9, and the structure causes pin 8 not extend out, and then ensures the volume of whole micro-strip circulator
Relative to the volume-diminished for extending out pin before;
The lower end of cylinder 1 with cover is provided with down the position for corresponding to connection bump 10 on convex connection bump 10, bottom plate 2
Positioning hole groove 11 is provided with, connection bump 10 is installed on positioning hole groove 11, the inwall of positioning hole groove 11 by riveting/or welding
It is provided with metal connector 5;
The column part of cylinder 1 with cover is divided into three sections of discontinuous circular arc portions 12, every section of circle by three escape groove 3
Arc portion is divided to 12 bottom to be respectively arranged with connection bump 10 convex under two, under convex connection bump 10 be installed in corresponding positioning
After hole slot 11, gap 13 is left between the bottom surface of every section of circular arc portion 12 and the upper surface of bottom plate 2;
When for monomer circulator, Fig. 1, Fig. 2 are seen:Bottom plate 2 is shaped as circular configuration, the diameter covering pin 8 of bottom plate 2
Corresponding face domain after bending, it greatlys save the volume of total.
When the circulator array for matrix arrangements, Fig. 3 is seen:Bottom plate 2 is shaped as rectangle, corresponding to single circulator
Some metal connectors 5, central metal join domain 6, positioning hole groove 11, the combination of pin escape groove 9 form a work sheet
Multiple machining cells according to design rectanglar arrangement, the single cylinder 1 with cover with intracavitary element 4 are provided with member, bottom plate 2
The pin that the corresponding positioning hole groove 11 that is positioned at one by one on corresponding machining cell, the lower end of pin 8 are located at correspondence position is kept away
Allow in groove 9;The bottom plate 2 of rectangle is specially pcb board, is arranged in the micro-strip circulator of the enterprising row matrix formula of rectangle pcb board, meets each
The demand of formula, realizes that multiband is used so that the circulator in whole equipment can save the substantial amounts of sky of equipment with centralized arrangement
Between.
Its operation principle is as follows:External circuit need not must be positioned over the lower section of micro-strip circulator, micro-strip by circuit board
The optional position that circulator can be disposed in whole equipment, it is only necessary to by some metal connectors 5, the central metal of bottom plate 2
In the domain of bonding pad 6 at least one at external circuit can be connected by scolding tin, it is ensured that ground connection, it is able to ensure that circulator and outer
The adequately grounded property of portion's circuit, and then ensure that the normal of micro-strip circulator is used, and cause the equipment using the micro-strip circulator
Can rationally be arranged the position of circulator according to the actual requirements, be that the assembling of complete set of equipments is provided a great convenience.
Specific embodiment of the utility model is described in detail above, but content is only what the utility model was created
Preferred embodiment, it is impossible to be considered as the practical range for limiting the utility model creation.All created according to the utility model is applied
Equivalent change that scope is made all should be belonged to still within this patent covering scope with improving etc..