CN205960177U - Stacked chip type power distribution module - Google Patents

Abstract

The utility model provides a stacked chip type power distribution module, including input electrode, output electrode, upper cover, lower cover and intermediate level, the intermediate level includes bypass capacitance inner electrode, power distribution coil and coupling capacitance inner electrode, and the quantity of power distribution coil is two and parallelly connected each other at least, the common port of power distribution coil, other end ground connection are connected to the one end of bypass capacitance inner electrode, input electrode is connected to the common port of power distribution coil, and an output electrode is connected to the non -public end of every power distribution coil, connect a coupling capacitance inner electrode and an isolation resistance between the non -public end of power distribution coil, isolation resistance locates the upper cover surface and is connected with output electrode. The utility model discloses stromatolite preparation bypass capacitance inner electrode, power distribution coil and coupling capacitance inner electrode between upper cover and lower cover, product height is integrated, small, welding nature is good, be fit for high density surface mounting, and insertion loss is little, phase place and amplitude balance nature are excellent, satisfies and assembles and the electrical property requirement.

Description

Lamination sheet type power distribution module

Technical field

This utility model belongs to electronic technology field, particularly to a kind of lamination sheet type power distribution module.

Background technology

With electronics developing rapidly to miniaturization, lightweight and integrated direction, the body of complete electronic set and system Long-pending less and less, the packing density of components and parts is also increasing, and this is accomplished by corresponding components and parts and constantly develops to miniaturization. Microwave power distribute module Shi Jiang mono- tunnel input signal energy is divided into two-way or first device of the equal or unequal energy of multiple-channel output Part.Traditional power distribution module mostly is packaging device, and volume is big, and mounting means is complicated, and insertion loss is big, and isolation is not Height, all can not meet demand it is therefore desirable to propose a kind of new power distribution module to solve in performance and assembling mode The problems referred to above.

Utility model content

Main purpose of the present utility model is to provide a kind of lamination sheet type power distribution module it is intended to solve conventional power Distribute module take up room greatly, assembling inconvenience, isolation is low and insertion loss is big problem.

This utility model is achieved in that lamination sheet type power distribution module, including input electrode, output electrode, on Lid, lower cover and be located at described upper lid and lower cover between intermediate layer, described intermediate layer include lamination setting shunt capacitance in Electrode in electrode, power distribution coil and coupled capacitor, the quantity at least two of described power distribution coil and mutually simultaneously Connection；In described shunt capacitance, one end of electrode connects the common port of described power distribution coil, and the other end is grounded；Described power divides The common port of distribution circle connects described input electrode, and the not common end of each described power distribution coil connects output electricity described in Pole；Connect between each two not common end of described power distribution coil in parallel in coupled capacitor described in an electrode and one every From resistance, in described coupled capacitor, electrode and isolation resistance are in parallel, described isolation resistance be arranged at described upper lid outer surface and Two ends are connected with described output electrode.

As optimal technical scheme of the present utility model：

Described input electrode and output electrode are arranged at the side in described upper lid, lower cover and intermediate layer, or are arranged at institute State the side in lid, lower cover and intermediate layer and extend to the upper surface of described upper lid and the lower surface of lower cover.

In electrode, power distribution coil and coupled capacitor in described shunt capacitance, electrode is carried by dielectric layer, part Described dielectric layer is provided with for by the junction point of the circuit turn-on above and below it.

In described shunt capacitance, electrode is carried by first medium layer, and described first medium layer at least includes carrying respectively described Two the first sub- dielectric layers of two pole pieces of electrode in shunt capacitance；Described power distribution coil is carried by second dielectric layer, Described second dielectric layer at least includes several the second sub- dielectric layers often enclosing wire carrying described power distribution coil respectively, Wire on the second different sub- dielectric layers is electrically connected with by the junction point of the described second sub- dielectric layer and forms a power distribution Coil；In described coupled capacitor, electrode is carried by the 3rd dielectric layer, and described 3rd dielectric layer at least includes carrying described coupling respectively Close two the 3rd sub- dielectric layers of two pole pieces of electrode in electric capacity.

The matrix of described dielectric layer is microwave-medium ceramics.

Described upper lid, the matrix of lower cover are also microwave-medium ceramics.

Also include ground electrode, be arranged at the side in described upper lid, lower cover and intermediate layer, or be arranged at described Shang Gai, under The side in lid and intermediate layer simultaneously extends to the upper surface of described upper lid and the lower surface of lower cover, or the bottom being arranged at described lower cover Portion, in described shunt capacitance, one end of electrode connects described ground electrode.

In described shunt capacitance, its outwardly directed pin described ground electrode of connection is passed through in one end of electrode.

The pin that the common port of described power distribution module and not common end are extended outward by it respectively is defeated with described Enter electrode and output electrode connects.

This utility model is banned and traditional coupled capacitor device, shunt capacitance device and power-splitting device is assembled into mould The overall structure of block, between upper lid and lower cover, lamination makes in electrode, power distribution coil and coupled capacitor in shunt capacitance Electrode, integral product is highly integrated, small volume, be easy to assembling, weldability is good, reliability is high, suitable high density surface attachment, peace Dress efficiency high, and insertion loss is little, isolation is high, phase equilibrium and amplitude balance are excellent, and each several part reaches organic coupling, real Existing signal energy distribution seriation is it is ensured that product meets the power allocation requirement of different frequency range.Isolation resistance is integrated in simultaneously Between outfan, can be widely applied to the letter of satellite communication system, antenna system, inter-vehicle information system, wireless communication system etc. The distribution of number energy.

Brief description

Fig. 1 is the perspective view of the lamination sheet type power distribution module that this utility model embodiment provides；

Fig. 2 is the decomposition texture schematic diagram of the lamination sheet type power distribution module that this utility model embodiment provides；

Fig. 3 is another kind of structural representation of the power distribution coil that this utility model embodiment provides；

Fig. 4 is the equivalent circuit diagram of the lamination sheet type power distribution module that this utility model embodiment provides；

Fig. 5 is the overall appearance figure of the lamination sheet type power distribution module that this utility model embodiment provides；

Fig. 6 is the manufacture method flow chart of the lamination sheet type power distribution module that this utility model embodiment provides.

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only in order to explain This utility model, is not used to limit this utility model.

It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or be connected on this another element.When an element is referred to as " being connected to " another element, it is permissible It is directly to another element or be indirectly connected to this another element.

Also, it should be noted the orientation term such as left and right, upper and lower in this utility model embodiment, it is only each other relatively Concept or with the normal operating condition of product as reference, and should not be regarded as restrictive.

Refer to accompanying drawing 1～4, the present invention provides a kind of lamination sheet type power distribution module, including input electrode 01, output Electrode 02, upper lid 03, lower cover 04 and be located at upper lid 03 and lower cover 04 between intermediate layer, this intermediate layer includes lamination successively and sets Electrode 07 in electrode 05, power distribution coil 06 and coupled capacitor in the shunt capacitance put, the quantity of power distribution coil 06 At least two and parallel with one another；In shunt capacitance, the common port 061 of one end connection power distribution coil 06 of electrode 05 is (i.e. defeated Enter end), the other end is grounded；The common port 061 of power distribution coil 06 connects input electrode 01, each power distribution coil 06 Not common end 062 (i.e. outfan) connects an output electrode 02；The not common end of two power distribution coils 06 parallel with one another Connect electrode 07 in a coupled capacitor between 062, and be also connected with an isolation resistance 17, in this isolation resistance 17 and coupled capacitor Electrode 07 is in parallel, and that is, two not common ends 062 connect two pole pieces and the isolation resistance 17 of electrode 07 in a coupled capacitor respectively Two ends, the physical location of this isolation resistance 17 is in covering 03 outer surface, its two ends directly with and parallel power distribute Two output electrodes 02 that coil connects connect.It is appreciated that when power distribution coil 06 is two, output electrode 02 is two Individual, in coupled capacitor, electrode 07 and isolation resistance 17 are respectively one and parallel connection, when power distribution coil 06 is three, output electricity To there being three, each two power distribution coil 06 is in parallel for pole 02, and in isolation resistance 17 and coupled capacitor, electrode 07 is also respectively three Individual, and in an isolation resistance 17 and a coupled capacitor, electrode 07 is in parallel and connects two output electrodes 02.Together should power When distribution coil 06 is more, may be constructed more multigroup parallel circuit, a road input will be assigned as multiple-channel output.This enforcement Example is no longer illustrated one by one.

Specifically, upper lid 03 and lower cover 04 as lamination sheet type power distribution module outermost Rotating fields, intermediate layer is pressed from both sides It is held between lid 03 and lower cover 04, intermediate layer is by electrode 05, power distribution coil 06 and coupling electricity in above-mentioned shunt capacitance In appearance, electrode 07 is constituted, and this three is lamination setting.And electrode 07 is natural in electrode 05 and coupled capacitor in shunt capacitance Respectively comprise two pole pieces, as double-decker, power distribution coil 06 is then multiple structure, generally by compared with multi-turn wire 063 spiral shell Curl up and make a power distribution coil 06.In the present embodiment, electrode 05, power distribution coil 06 and coupling in shunt capacitance In electric capacity, electrode 07 is carried by the dielectric layer of lamellar, and that is, each electric capacity pole piece and each circle wire 063 are by the medium of lamellar Layer carries, and certain media layer is further opened with for by the junction point of the respective electrode above and below it or coil connection, with reality Existing circuit connecting relation.

With further reference to Fig. 2, in shunt capacitance, electrode 05 includes shunt capacitance Top electrode 051 and shunt capacitance bottom electrode 052, carried by first medium layer 08, this first medium layer 08 at least includes two the first sub- dielectric layers 081, carry bypass respectively Electric capacity Top electrode 051 and shunt capacitance bottom electrode 052；Power distribution coil 06 is carried by second dielectric layer 09, this second medium Layer 09 includes the multiple second sub- dielectric layers 091, and each second sub- dielectric layer 091 carries a circle wire 063；Electrode in coupled capacitor 07 includes coupled capacitor Top electrode 071 and coupled capacitor bottom electrode 072, is carried by the 3rd dielectric layer 10, the 3rd dielectric layer 10 to Include two the 3rd sub- dielectric layers 101 less, respectively bearing coupled electric capacity Top electrode 071 and coupled capacitor bottom electrode 072.First The first middle dielectric layer 11 is also set up, in second dielectric layer 09 and the 3rd dielectric layer 10 between dielectric layer 08 and second dielectric layer 09 Between also set up the second middle dielectric layer 12.

With continued reference to Fig. 2, one first connection is respectively provided with two the 3rd sub- dielectric layers 101 and the second middle dielectric layer 12 Point 13, can be specifically conductive through hole, this first junction point 13 by the not common end 062 of a power distribution coil 06 with couple Electric capacity Top electrode 071 connects.3rd sub- dielectric layer 101 of bearing coupled capacitor lower electrode 072 and the second intermediate layer respectively set There is one second junction point 14, can be specifically conductive through hole, this second junction point 14 is non-by another power distribution coil 06 Common port 062 is connected with coupled capacitor bottom electrode 072, and then the not common end by two power distribution coils 06 parallel with one another 062 is connected with two electrode slices of electrode in a coupled capacitor respectively.In addition, common port 061 He of power distribution coil 06 Not common end 062 can lead to the side of second dielectric layer 09, for connecting input electrode 01 and output electrode 02 respectively.Enter One step ground, is respectively provided with one on the first sub- dielectric layer 081 of the first middle dielectric layer 11 and carrying shunt capacitance Top electrode 051 3rd junction point 15, can be specifically conductive through hole, and the 3rd junction point 15 is by shunt capacitance Top electrode 051 and power distribution line The common port 061 of circle 06 connects, and then realizes the common port of one end of electrode in shunt capacitance 05 and power distribution coil 06 061 and input electrode 01 couple together.

Further, the power distribution coil of the present embodiment can also adopt other structures, and such as Fig. 3 is a kind of enforceable Structure, its specific shape is not necessarily limited.With further reference to Fig. 1, input electrode 01 and output electrode 02 be arranged at lid 03, under Lid 04 and the side in intermediate layer, or be arranged at lid 03, the side in lower cover 04 and intermediate layer and cover upwards 03 upper surface and The lower surface of lower cover 04 extends, and is this structure shown in Fig. 1.Ground electrode 16 may further be provided, be arranged at lid 03, Lower cover 04 and the side in intermediate layer, or be arranged at lid 03, the side in lower cover 04 and intermediate layer and cover upwards 03 upper surface and The lower surface of lower cover 04 extends, or is arranged at the bottom of lower cover 04, and in this shunt capacitance, one end of electrode 05 connects this ground connection electricity Pole 16.The quantity of input electrode 01 can be one, is arranged at a side in lid 03, lower cover 04 and intermediate layer, and power divides The common port 061 of distribution circle 06 connects, and the quantity of output electrode 02 is identical with the quantity of power distribution coil 06, is preferably disposed on The opposite side of input electrode 01, and the one-to-one connection in not common end 062 of power distribution coil 06.Shunt capacitance bottom electrode 052 One or more connection ends 053 can be drawn and ground electrode 16 connects.

In the present embodiment, upper lid 03, lower cover 04 and the matrix for carrying the sheet medium layer of each interior electrode and coil Material is preferably media ceramic, specifically can be used for the microwave-medium ceramics of microwave frequency band using NPO, C0G etc..Adopting During this material, this power distribution module is microwave power distribute module.It is of course also possible to using the material being suitable for other frequency ranges Material, makes this power distribution module be applied to the power distribution of other frequency ranges.

In the present embodiment, in electrode 05, power distribution coil 06 and coupled capacitor in shunt capacitance, electrode 07 adopts Fine silver, silver palladium alloy or gold make.The silver of silver palladium alloy：Palladium=100～0:0～100.

As Fig. 5, the profile of this whole power distribution module can be in cubic, and it is by electrode in coupled capacitor 07, work( In rate distribution coil 06 and shunt capacitance, electrode 05 and upper lid 03 and lower cover 04 are integrated in one, and small volume is easy to assemble, weldering Connecing property is good, and reliability is high, suitable high density surface attachment, and installation effectiveness is high, and insertion loss is little, and isolation is high, and phase place is put down Weighing apparatus and amplitude balance are excellent, and each several part reaches organic coupling, realize signal energy distribution seriation it is ensured that product meets not Power allocation requirement with frequency range.Isolation resistance is integrated between outfan simultaneously, can be widely applied to satellite communication system, The signal energy distribution of antenna system, inter-vehicle information system, wireless communication system etc..

The present invention further provides a kind of manufacture method of above-mentioned lamination sheet type power distribution module, such as Fig. 6, the method bag Include following step：

In step S101, matrix material is become slurry with binding agent, solvent, dispersant, the abundant ball milling mixing of plasticizer.

In this step, matrix material can be used for the microwave-medium ceramics of microwave frequency band for NPO, C0G etc., also may be used So that using the dielectric material being suitable for other frequency ranges, ceramic material is preferred, and its heat conductivity is good.The viscosity of the slurry being mixed into is preferred For 10-500Pa S.

In step s 102, slurry is fabricated to lower cover 04 and upper lid 03.Specifically slurry curtain coating can be fabricated to film strips, It is fabricated to lower cover 04 and upper lid 03 through laminating, and covers making output electrode 02 upper, connect isolation between output electrode 02 Resistance 17.

In step s 103, between upper lid 03 and lower cover 04, lamination makes：

First medium layer 08, and electrode 05 in shunt capacitance is made on described first medium layer 08；

Second dielectric layer 09, and the power distribution coil 06 of at least two parallel connections is made on described second dielectric layer 09, And so that the common port 061 of described power distribution coil 06 is connected with one end of electrode 05 in described shunt capacitance；

3rd dielectric layer 10, and make electrode 07 in coupled capacitor on described 3rd dielectric layer 10, and make mutually simultaneously The not common end 062 of two power distribution coils 06 of connection connects the two ends of electrode 07 in described coupled capacitor respectively, forms half Finished product.

This step S102 and S103 can be carried out according to time order and function order, first make lid 03 and lower cover 04, Then make intermediate layer on lower cover 04, upper lid 03 is covered on intermediate layer.Can also intersect and carry out, such as first make Make lower cover 04, then intermediate layer is made on lower cover 04, then make lid 03 and be covered on intermediate layer, certainly, upper lid 03 with lower cover 04 makes in same operation be more beneficial for the utilization of resources and raising efficiency.

In this step S103, can with lower cover 04 for substrate according to sequentially built first medium layer 08 from bottom to top, Electrode 07 in electrode 05, second dielectric layer 09, power distribution coil 06, the 3rd dielectric layer 10 and coupled capacitor in shunt capacitance, Optionally, lower cover 04 can be directly as first medium layer 08.While making first, second, third dielectric layer, Ke Yigen According to needing to open up conductive through hole on respective media layer, in order to the conducting of dielectric layer upper and lower circuit, such as power distribution coil 06 conducting, the conducting of electrode 05 in power distribution coil 06 and shunt capacitance, electricity in power distribution coil 06 and coupled capacitor Conducting of pole 07 etc..In addition, when making each interior electrode and power distribution coil 06, needing to be drawn partial electrode according to design To each dielectric layer side, in order to the follow-up termination electrode (input electrode 01, output electrode 02 and ground electrode 16) making even Connect.

Specific implementation process can be as described below, makes the first sub- dielectric layer 081, in the first sub- medium on lower cover 04 Make shunt capacitance bottom electrode 052 on layer 081, and shunt capacitance bottom electrode 052 is drawn some pins in the first sub- medium Layer 081 side, for connecting with the follow-up ground electrode 16 making.Another first son is made on shunt capacitance bottom electrode 052 Dielectric layer 081, and make shunt capacitance Top electrode 051 thereon.Then make the first middle dielectric layer 11 and open up thereon Conductive through hole, if then continuous make the sub- dielectric layer 091 of dried layer second and open up conductive through hole, and makes wire on every layer 063, and wire 063 is connected by formation power distribution coil 06 by the conductive through hole of the second sub- dielectric layer 091, can be the The diverse location of second medium layer 09 makes plural power distribution coil 06, and several power distribution coils 06 are in orlop The second sub- dielectric layer 091 on there is common port 061, as input, shunt capacitance Top electrode 051 also passes upwardly through in first Between dielectric layer 11 and the second sub- dielectric layer 091 be connected with this common port 061.On the second sub- dielectric layer 091 of the superiors, different The not common end 062 of power distribution coil 06 each extend outward pin, for connecting the output electrode of follow-up making.So After make the second middle dielectric layer 12 and open up conductive through hole, then make two the 3rd sub- dielectric layers 101 and make thereon Coupled capacitor bottom electrode 072 and coupled capacitor Top electrode 071, its quantity is that the quantity of power distribution coil 06 subtracts 1, and passes through Conductive through hole on second middle dielectric layer 12 and the 3rd sub- dielectric layer 101 is by under coupled capacitor Top electrode 071 and coupled capacitor Electrode 072 is connected with the not common end 062 of power distribution coil 06 in parallel respectively.After making intermediate layer, by upper lid 03 It is covered in the upper surface in intermediate layer.

In step S104, semi-finished product are carried out cut, chamfering, dumping, sintering separate and obtain semi-finished product monomer.

In step S105, input electrode 01, output electrode 02 and ground electrode are set in the outer surface of semi-finished product monomer 16, make input electrode 01 connect the common port of power distribution coil 06, make output electrode 02 connect the non-of power distribution coil 06 Output electrode 02 on common port and upper lid 03, makes the other end of electrode 05 in shunt capacitance connect ground electrode 16, obtains Lamination sheet type power distribution module.

In this step, monomer semi-finished product are placed on special abnormity to apply on silver-colored machine, according to input electrode 01 and output electricity The shape of pole 02 applies silver-colored roller from suitable, by the shape bat printing of input electrode 01 and output electrode 02 in monomer semi-finished product On, the making of ground electrode 16 is then completed through silver ink firing.

Further, the product after upper input electrode 01, output electrode 02 and ground electrode 16 is processed through termination, point Choosing obtains lamination sheet type microwave power distribute module finished product.

The embodiment of the present invention makes above-mentioned power distribution module using LTCC technology (LTCC Technology), bans biography Structure coupled capacitor device, shunt capacitance device and power-splitting device being assembled into module entirety of system, in upper lid 03 He Between lower cover 04, lamination makes electrode 07 in electrode 05, power distribution coil 06 and coupled capacitor in shunt capacitance, integral product Highly integrated, small volume, be easy to assembling, weldability are good, reliability is high, suitable high density surface attachment, and installation effectiveness is high, and Insertion loss is little, isolation is high, phase equilibrium and amplitude balance are excellent, isolation resistance is integrated between outfan simultaneously, can It is widely used in the signal energy distribution of satellite communication system, antenna system, inter-vehicle information system, wireless communication system etc..It is A kind of new not only meeting matching requirements but also meet the power-splitting device of requirement on electric performance.

These are only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality Any modification, equivalent or improvement made within new spirit and principle etc., should be included in guarantor of the present utility model Within the scope of shield.

Claims (9)

1. lamination sheet type power distribution module is it is characterised in that including input electrode, output electrode, Shang Gai, lower cover and being located at Intermediate layer between described upper lid and lower cover, described intermediate layer includes electrode, power distribution line in the shunt capacitance of lamination setting Electrode in circle and coupled capacitor, the quantity at least two of described power distribution coil and parallel with one another；Described shunt capacitance One end of interior electrode connects the common port of described power distribution coil, and the other end is grounded；The common port of described power distribution coil Connect described input electrode, the not common end of each described power distribution coil connects output electrode described in；Each two is in parallel The not common end of described power distribution coil between connect described in one electrode and an isolation resistance, described coupling in coupled capacitor Close electrode and isolation resistance parallel connection in electric capacity, described isolation resistance is arranged at outer surface and two ends and the described output of described upper lid Electrode connects.

2. lamination sheet type power distribution module as claimed in claim 1 is it is characterised in that described input electrode and output electrode It is arranged at the side in described upper lid, lower cover and intermediate layer, or be arranged at the side in described upper lid, lower cover and intermediate layer and to institute The lower surface of the upper surface and lower cover of stating lid extends.

3. lamination sheet type power distribution module as claimed in claim 1 is it is characterised in that electrode, work(in described shunt capacitance Rate distribution coil and coupled capacitor in electrode by dielectric layer carry, partly described dielectric layer be provided with for by above it and under The junction point of the circuit turn-on of side.

4. lamination sheet type power distribution module as claimed in claim 3 is it is characterised in that electrode is by described shunt capacitance One dielectric layer carries, and described first medium layer at least includes carry two pole pieces of electrode in described shunt capacitance respectively two First sub- dielectric layer；Described power distribution coil is carried by second dielectric layer, and described second dielectric layer at least includes carrying respectively Several second sub- dielectric layers often enclosing wire of described power distribution coil, the wire on the second different sub- dielectric layers passes through The junction point of described second sub- dielectric layer is electrically connected with and forms a power distribution coil；In described coupled capacitor, electrode is situated between by the 3rd Matter layer carries, and described 3rd dielectric layer at least includes carry two pole pieces of electrode in described coupled capacitor respectively two the 3rd Sub- dielectric layer.

5. the lamination sheet type power distribution module as described in claim 3 or 4 is it is characterised in that the matrix of described dielectric layer is Microwave-medium ceramics.

6. lamination sheet type power distribution module as claimed in claim 5 is it is characterised in that described upper lid, the matrix of lower cover For microwave-medium ceramics.

7. lamination sheet type power distribution module as claimed in claim 1, it is characterised in that also including ground electrode, is arranged at The side in described upper lid, lower cover and intermediate layer, or it is arranged at the side in described upper lid, lower cover and intermediate layer and to described upper lid The lower surface of upper surface and lower cover extends, or is arranged at the bottom of described lower cover, and in described shunt capacitance, one end of electrode connects Described ground electrode.

8. lamination sheet type power distribution module as claimed in claim 7 it is characterised in that in described shunt capacitance electrode one End connects described ground electrode by its outwardly directed pin.

9. lamination sheet type power distribution module as claimed in claim 1 it is characterised in that described power distribution module public The pin that end and not common end are extended outward by it respectively is connected with described input electrode and output electrode.