CN105974372B - A kind of LTCC mounting structure - Google Patents
A kind of LTCC mounting structure Download PDFInfo
- Publication number
- CN105974372B CN105974372B CN201610600240.4A CN201610600240A CN105974372B CN 105974372 B CN105974372 B CN 105974372B CN 201610600240 A CN201610600240 A CN 201610600240A CN 105974372 B CN105974372 B CN 105974372B
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- Prior art keywords
- ltcc
- modules
- installation gap
- structural slab
- step surface
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/03—Details of HF subsystems specially adapted therefor, e.g. common to transmitter and receiver
- G01S7/032—Constructional details for solid-state radar subsystems
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a kind of LTCC mounting structure, it includes structural slab, fixing piece and LTCC components；Wherein, its front and back of the end of structural slab one end has a step surface respectively, and step surface is equipped with threaded hole；LTCC components are arranged side by side on step surface, and the edge of LTCC components aligns with the edge of step surface, the LTCC modules of adjacent LTCC inter-modules and the installation gap of copper tungsten plate align and form mounting hole, wherein, the mounting hole of formation aligns with the threaded hole on step surface, and using the copper tungsten plate at screw in compression LTCC modules back, LTCC components are fixed on step surface；The side of structural slab is fixedly installed in fixing piece, and is caught in the installation gap of LTCC modules, and compresses the copper tungsten plate at LTCC modules back.The present invention not only good fixing effect of LTCC components and structural slab, but also effectively reduce the size of LTCC mounting structure, realizes application of the T/R components in small space application occasion.
Description
Technical field
The present invention relates to T/R component technologies field in Connectors for Active Phased Array Radar, more particularly to a kind of LTCC mounting structure.
Background technology
Existing LTCC modules are generally ceramic material and are made, it is impossible to are fixed to using screw on structural slab, screw
Easily LTCC templates are damaged by pressure if fixation, therefore LTCC templates are affixed directly to metal structure plate by generally use conductive silver paste
On, so when some LTCC damaged template, it has not been convenient to which LTCC templates are removed maintenance from structural slab.And pass through conductive silver
Slurry is tightly fixed to the LTCC templates on structural slab, and since thermal coefficient of expansion difference therebetween is larger, (LTCC templates are pottery
Ceramic material, metal structure plate are aluminum alloy materials), under the influence of high temperature or low-temperature working environment, the welding surface of the two is easy
Cracking, causes LTCC templates to come off from structural slab, or the deformation of LTCC templates cannot effectively discharge, and LTCC templates are easy
It is broken, causes LTCC damaged templates.
In addition, in some specific application scenarios, it is desirable to the space smaller shared by T/R components, and in LTCC module rulers
It is very little it is certain under conditions of, the structure and LTCC modules and the combination of structural slab of structural slab can only be improved.
The content of the invention
It is an object of the invention to：Realize application of the T/R components in small space application occasion, while overcome in the prior art
Under existing LTCC modules high temperature or low-temperature working environment, it is easily damaged, and LTCC module failures once occurs, maintenance is not
Convenient technical problem.
In order to realize foregoing invention purpose, the present invention provides a kind of LTCC mounting structure, it includes structural slab, fixing piece
With LTCC components；Wherein,
Its front and back of the end of described structural slab one end has a step surface respectively, and the step surface is equipped with
Threaded hole；
The LTCC components include LTCC modules and are fixed at the copper tungsten plate at the LTCC modules back, and exist respectively
Same position in the LTCC modules and the copper tungsten plate edge, opens up installation gap, wherein opened up in the copper tungsten plate
Installation gap is small compared with the installation gap opened up in the LTCC modules；
The LTCC components are arranged side by side on the step surface, and the edge of the LTCC components and the step
The edge alignment in face, the adjacent LTCC modules of the LTCC inter-modules and the installation gap of copper tungsten plate align and form installation
Hole, wherein, the mounting hole of formation aligns with the threaded hole on the step surface, and using LTCC modules back described in screw in compression
Copper tungsten plate, the LTCC components are fixed on the step surface；
The side of the structural slab is fixedly installed in the fixing piece, and is caught in the installation gap of the LTCC modules, and
Compress the copper tungsten plate at the LTCC modules back.
According to a kind of specific embodiment, the side of the structural slab is provided with the installation for being embedded in the fixing piece
Portion, the fixing piece is embedded and is fixed in the mounting portion, and is flushed with the side of the structural slab.
According to a kind of specific embodiment, the LTCC components are rectangular plate-like structure, and respectively in the LTCC moulds
Installation gap is symmetrical arranged on block and one group of opposite side of the copper tungsten plate, and is arranged on the LTCC groups on the step surface
Part is with the side arranged adjacent with installation gap.
According to a kind of specific embodiment, the fixing piece includes fixed part and snapin part, wherein, the fixed part leads to
Cross and be embedded in the mounting portion and be fixed on the side of the structural slab, the snapin part is used for the peace for being caught in the LTCC modules
Notch is filled, and compresses the copper tungsten plate at the LTCC modules back.
According to a kind of specific embodiment, the fixing piece is in decussate texture, the fixed part and the snapin part
It is generally aligned in the same plane and is mutually perpendicular to, and the width of its end of fixed part has the step surface with the structural slab
The thickness of one end is equal.
According to a kind of specific embodiment, the mounting portion has the one end side of the step surface for the structural slab
On groove, there is a positive stop lug boss, and two are set in the mounting portion on the limit at the center of the mounting portion
The position symmetrical threaded hole of boss；
There is the groove that the shape with the positive stop lug boss is adapted, the fixed part has at the center of the fixed part
Two are fixed on the peace of the structural slab using screw with the corresponding mounting hole of mounting portion internal thread hole, the fixed part
In dress portion.
According to a kind of specific embodiment, the opening of the mounting hole both sides on the fixed part is unequal and smaller
Opening be more than the threaded portion of screw used by the fixed fixed part, less than the screw head.
According to a kind of specific embodiment, there is positioning protrusion on the positive stop lug boss；Correspondingly, the fixed part
Opened up in groove at center and the corresponding location hole of the positioning protrusion.
According to a kind of specific embodiment, there is a latch, the snapin part respectively on the both ends of the snapin part
The latch at both ends, which is respectively used to be caught in, is arranged on the structural slab front and the installation gap of the LTCC modules at the back side, and
Correspondingly compress the copper tungsten plate at the LTCC modules back.
According to a kind of specific embodiment, the installation gap semicircular in shape of the LTCC modules, the latch have with
The cambered surface of the installation gap inner surface same curvature of the LTCC modules, the installation that the latch is caught in the LTCC modules lack
Mouthful, and fitted closely by the installation gap inner surface of the cambered surface that it has and the LTCC modules.
Compared with prior art, beneficial effects of the present invention：
1st, the back fixation of LTCC modules of the invention sets copper tungsten plate, and copper tungsten plate and LTCC templates thermal coefficient of expansion are almost
Identical, under high/low temperature working environment, the welding surface of the two is not easily susceptible to cracking.
2nd, in LTCC components of the invention, LTCC module back fixations are provided with copper tungsten plate, and respectively in LTCC modules and
Same position on copper tungsten plate edge, opens up installation gap, and the installation gap in copper tungsten plate is compared with the installation in LTCC modules
Notch is small, therefore, when two LTCC component arranged adjacents, the copper tungsten plate of two LTCC components is pressed on structural slab by screw
On, that is, complete the fixation of LTCC components.
3rd, the present invention also designs fixing piece to ensure the fixation of LTCC components on structure edges of boards, and fixing piece is arranged on knot
The side of structure plate, and the installation gap of LTCC modules is caught in, and the copper tungsten plate at LTCC modules back is compressed, it can not only complete
The fixation of LTCC components on structure edges of boards, and a part of region need not be extended in structural slab, to be threaded hole, so as to subtract
The size of small structural slab, and then reduce the size of whole LTCC mounting structure.
Brief description of the drawings：
Fig. 1 is the structure diagram of structural slab of the present invention；
Fig. 2 is the structure diagram of LTCC components of the present invention；
Fig. 3 is that the present invention adopts the scheme of installation for being screwed LTCC components；
Fig. 4 is the structure diagram of fixing piece of the present invention；
Fig. 5 is the scheme of installation that fixing piece of the present invention fixes LTCC components；
Fig. 6 is the partial schematic diagram of mounting structure of the present invention；
Fig. 7 is the overall structure diagram of mounting structure of the present invention.
Reference numerals list
1- structural slabs, 101- step surfaces, the threaded hole on 102- step surfaces, 103- mounting portions, 103a- positive stop lug boss,
Threaded hole in 103b- mounting portions, 103c- positioning protrusion, 104- lightening grooves, 105- heat conducting pipes, 2-LTCC components, 201-LTCC
Module, 202- copper tungsten plates, 3- fixing pieces, 301- fixed parts, the groove on 301a- fixed parts, 301b- mounting holes, 301c- positioning
Hole, 302- snapin parts, 302a- latches, the cambered surface of 302b- latches, the seal face of 302c- latches.
Embodiment
With reference to embodiment, the present invention is described in further detail.But this should not be interpreted as to the present invention
The scope of above-mentioned theme is only limitted to following embodiment, all models that the present invention is belonged to based on the technology that present invention is realized
Enclose.
The structure diagram of structural slab of the present invention with reference to shown in Fig. 1；Wherein, the end of 1 one end of structural slab of the invention,
Its front and back has a step surface 101 respectively.Therefore, structural slab 1 has the end of step surface 101 in its front and back
LTCC components are installed in portion, and has in its front and back and opens up threaded hole 102 on step surface 101, using consolidating for screw
Determine mode, LTCC components are fixed on structural slab 1.
The structure diagram of LTCC components of the present invention with reference to shown in Fig. 2；Wherein, LTCC components 2 of the invention include
LTCC modules 201 and copper tungsten plate 202, copper tungsten plate 202 are fixed at the back of LTCC modules 201, wherein, make LTCC components
When 2, the same position on 201 edge of copper tungsten plate 202 and LTCC modules, opens up installation gap, wherein in copper tungsten plate 202 respectively
The installation gap opened up is small compared with the installation gap opened up in LTCC modules 201.
Specifically, the LTCC components 2 in the present invention are rectangular plate-like structure, when making LTCC components 2, respectively in tungsten copper
Installation gap is symmetrically arranged on plate 202 and one group of opposite side of LTCC modules 201, and the LTCC being arranged on step surface 101
Component 2 is with the side arranged adjacent with installation gap.Wherein, on each side of LTCC modules 201 and copper tungsten plate 202, have respectively
There are two installation gaps.
In the present invention, the mode that copper tungsten plate is fixed at LTCC modules back is to use to be welded to connect.And in LTCC groups
In part, the production method of the installation gap of LTCC modules and copper tungsten plate is：First on one group of opposite side of LTCC modules symmetrically
Two pairs of mounting notch is set, LTCC modules and the copper tungsten plate of making installation gap are welded together, further according to LTCC modules
Installation gap, same position on copper tungsten plate edge makes the installation gap of a smaller.Such production method, can
Avoid causing the installation gap of LTCC modules and the installation gap position of copper tungsten plate deviation occur due to welding, after influencing
The assembling of continuous LTCC components.
Adopting with reference to shown in Fig. 3 is screwed the scheme of installation of LTCC components；Wherein, LTCC components 2 are abreast set
Put on step surface 101, and the edge for the LTCC components 2 being arranged on step surface 101 aligns with the edge of step surface 101,
The installation gap of LTCC modules 201 and copper tungsten plate 202 between two adjacent LTCC components 2 aligns and forms mounting hole, and
The mounting hole of formation aligns with the threaded hole 102 on step surface, due in LTCC components, the installation gap in copper tungsten plate 202
It is small compared with the installation gap in LTCC modules 201, therefore, when adopt be screwed LTCC components when, screw screw in step surface on
Threaded hole 102, screw head compresses the copper tungsten plate 202 of LTCC components 2, LTCC components 2 is fixed on step surface 101, and spiral shell
Nail is not in contact with LTCC modules 201, avoids damage LTCC modules.
Fixing piece of the present invention with reference to shown in Fig. 4 fixes the scheme of installation of LTCC components；Wherein, fixing piece 3 is fixed and set
Put in the side of structural slab 1, and be caught in the notch of LTCC modules 201, and compress the copper tungsten plate at 201 back of LTCC modules
202, so that the LTCC components 2 on 1 side of structural slab be fixed.
The fixing piece designed in the present invention, can not only complete the fixation of LTCC components on structure edges of boards, and need not
Extend a part of region in structural slab, to be threaded hole, so as to reduce the size of structural slab.
In the present invention, the side of structural slab 1 is provided with the mounting portion 103 for being embedded in fixing piece 3, and fixing piece 3 is embedded in simultaneously
It is fixed in mounting portion 103, and is flushed with the side of structural slab 1, so as to avoid 3 projective structure plate 1 of fixing piece, increases LTCC groups
Width in part orientation, further reduces the size of whole LTCC LTCC mounting structure.
The structure diagram of fixing piece of the present invention with reference to shown in Fig. 3 and Fig. 5；Wherein, mounting portion 103 of the invention is
Structural slab 1 has the groove on the one end side of step surface 101, has a positive stop lug boss 103a at the center of mounting portion 103, and
And two are set in mounting portion 103 on the symmetrical threaded hole 103b of positive stop lug boss 103a.
The fixing piece 3 of the present invention includes fixed part 301 and snapin part 302.Wherein, fixed part 301 passes through embedded mounting portion
The side of structural slab 1 is fixed in 103.Snapin part 302 is used for the installation gap for being caught in LTCC modules 201, and compresses
The copper tungsten plate 202 at 201 back of LTCC modules.
Also, the fixing piece 3 in the present invention is in decussate texture, fixed part 301 be generally aligned in the same plane with snapin part 302 and
It is mutually perpendicular to.Wherein, the width of 301 its end of fixed part is equal with the thickness of the one end of structural slab 1 with step surface 101, Gu
The maximum gauge for determining portion 301 is equal with the depth capacity of mounting portion 103.Have at the center of fixed part 301 and positive stop lug boss
The groove that the shape of 103a is adapted, and fixed part 301 is corresponding with the threaded hole 103b in mounting portion 103 with two
Mounting hole 301b.Fixed part 301 is fixed in the mounting portion 103 of structural slab 1 using screw.
Specifically, there is positioning protrusion 103c on positive stop lug boss 103a.Correspondingly, the groove at the center of fixed part 301
Inside open up and the corresponding location hole 301c of positioning protrusion 103c.
The opening of mounting hole 301b sides on fixed part 301 is more than the opening of its opposite side, and smaller opening is more than
Fixed part 301 is fixed on the threaded portion of used screw in mounting portion 103, less than the screw head.So as to pass through the screw
Head fixed part 301 is pressed on to the side of structural slab 1.
There is a latch 302a respectively on the both ends of the snapin part 302 of fixing piece 3 in the present invention.302 both ends of snapin part
The latch 302a in portion, which is respectively used to be caught in, is arranged on the front of structural slab 1 and the installation gap of the LTCC modules 201 at the back side, and accordingly
Ground compresses the copper tungsten plate 202 at LTCC modules back.
The partial schematic diagram of mounting structure of the present invention with reference to shown in Fig. 5 and Fig. 6；Wherein, LTCC moulds in the present invention
The installation gap semicircular in shape of block 201.
Further, latch 302a also has an a cambered surface 302b and seal face 302c.And latch 302a have with
The cambered surface 302b of the installation gap inner surface same curvature of LTCC modules 201, latch 302a are caught in the installation of LTCC modules 201
Notch, the installation gap inner surface for the cambered surface 302b and LTCC modules 201 having by latch 302a fit closely.Block at the same time
The seal face 302c that tooth 302a has compresses the copper tungsten plate 202 at 201 back of LTCC modules.
The overall structure diagram of mounting structure of the present invention with reference to shown in Fig. 7；Wherein, the front of structural slab 1 and the back of the body
Face offers lightening grooves.And structural slab 1 is equipped with the hollow cavity for being used for accommodating electronic component, is welded with inside structural slab 1
Can be by the quick derived heat conducting pipe of heat that LTCC modules produce.
The embodiment of the present invention is described in detail above in conjunction with attached drawing, but the present invention is not restricted to
Embodiment is stated, in the case of the spirit and scope of claims hereof are not departed from, those skilled in the art can make
Go out various modifications or remodeling.
Claims (5)
1. a kind of LTCC mounting structure, it is characterised in that including structural slab, fixing piece and LTCC components；Wherein,
Its front and back of the end of described structural slab one end has a step surface respectively, and the step surface is equipped with screw thread
Hole；
The LTCC components include LTCC modules and the copper tungsten plate for being fixed at the LTCC modules back, and respectively described
Same position in LTCC modules and the copper tungsten plate edge, opens up installation gap, wherein the installation opened up in the copper tungsten plate
Notch is small compared with the installation gap opened up in the LTCC modules；
The LTCC components are arranged side by side on the step surface, and the edge of the LTCC components and the step surface
Edge aligns, and the adjacent LTCC modules of the LTCC inter-modules and the installation gap of copper tungsten plate align and form mounting hole, its
In, the mounting hole of formation aligns with the threaded hole on the step surface, and using the tungsten at LTCC modules back described in screw in compression
Copper coin, the LTCC components are fixed on the step surface；
The LTCC components are rectangular plate-like structure, and right on one group of opposite side of the LTCC modules and the copper tungsten plate respectively
Claim to set installation gap, and be arranged on the LTCC components on the step surface with the side adjacent row with installation gap
Row；
The side of the structural slab is provided with the mounting portion for being embedded in the fixing piece, and the fixing piece is embedded and is fixed on institute
State in mounting portion, and be caught in the installation gap of the LTCC modules, and compress the copper tungsten plate at the LTCC modules back, and with
The side of the structural slab flushes；
The mounting portion has the groove on the one end side of the step surface for the structural slab, at the center of the mounting portion
Two are set with a positive stop lug boss, and in the mounting portion on the symmetrical threaded hole of the positive stop lug boss；
The fixing piece includes fixed part and snapin part, wherein, the fixed part in the insertion mounting portion by being fixed on
The side of the structural slab, the snapin part is used for the installation gap for being caught in the LTCC modules, and compresses the LTCC moulds
The copper tungsten plate at block back；
The fixing piece is in decussate texture, and the fixed part is generally aligned in the same plane and is mutually perpendicular to the snapin part, and
The width of its end of fixed part is equal with the thickness of the one end of the structural slab with the step surface；
There is the groove that the shape with the positive stop lug boss is adapted, the fixed part has two at the center of the fixed part
With the corresponding mounting hole of mounting portion internal thread hole, the fixed part is fixed on the mounting portion of the structural slab using screw
It is interior.
2. LTCC mounting structure as claimed in claim 1, it is characterised in that mounting hole both sides on the fixed part open
It is mouthful unequal, and less opening is more than the threaded portion of screw used by the fixed fixed part, less than the head of screw
Portion.
3. LTCC mounting structure as claimed in claim 2, it is characterised in that there is positioning protrusion on the positive stop lug boss；
Correspondingly, opened up in the groove at the center of the fixed part and the corresponding location hole of the positioning protrusion.
4. LTCC mounting structure as claimed in claim 1, it is characterised in that have respectively on the both ends of the snapin part
One latch, the latch at the snapin part both ends are respectively used to be caught in the LTCC for being arranged on the structural slab front and the back side
The installation gap of module, and correspondingly compress the copper tungsten plate at the LTCC modules back.
5. LTCC mounting structure as claimed in claim 4, it is characterised in that the installation gap of the LTCC modules is in semicircle
Shape, the latch have the cambered surface with the installation gap inner surface same curvature of the LTCC modules, and the latch is caught in institute
The installation gap of LTCC modules is stated, and it is tight by the installation gap inner surface of the cambered surface that it has and the LTCC modules
Closely connected conjunction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600240.4A CN105974372B (en) | 2016-07-27 | 2016-07-27 | A kind of LTCC mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600240.4A CN105974372B (en) | 2016-07-27 | 2016-07-27 | A kind of LTCC mounting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105974372A CN105974372A (en) | 2016-09-28 |
| CN105974372B true CN105974372B (en) | 2018-04-17 |
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ID=56951042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610600240.4A Active CN105974372B (en) | 2016-07-27 | 2016-07-27 | A kind of LTCC mounting structure |
Country Status (1)
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| CN (1) | CN105974372B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4892207B2 (en) * | 2005-07-25 | 2012-03-07 | 鹿島建設株式会社 | Translucent electromagnetic wave shielding plate joining structure and joining tool |
| CN101137278B (en) * | 2006-09-01 | 2010-08-25 | 富准精密工业(深圳)有限公司 | Heat radiating device |
| CN103124486A (en) * | 2011-11-18 | 2013-05-29 | 鸿富锦精密工业（深圳）有限公司 | Electronic device and double-layer circuit board module thereof |
| CN103926565B (en) * | 2014-05-08 | 2017-02-01 | 成都雷电微力科技有限公司 | Mounting module composed of LTCC component and structure cavity |
| CN104882526B (en) * | 2015-06-17 | 2017-09-26 | 乐山智诚光电科技有限公司 | Integral LED packaged light source fluorescent tube |
| CN205826859U (en) * | 2016-07-27 | 2016-12-21 | 成都雷电微力科技有限公司 | A kind of LTCC mounting structure |
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2016
- 2016-07-27 CN CN201610600240.4A patent/CN105974372B/en active Active
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| CN105974372A (en) | 2016-09-28 |
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Address after: 610041 Shiyang Industrial Park, No.288, Yixin Avenue, hi tech Zone, Chengdu, Sichuan Province Patentee after: Chengdu lightning Micro Power Technology Co., Ltd Address before: 610041 Shiyang Industrial Park, hi tech Zone, Chengdu, Sichuan Patentee before: RML TECHNOLOGY Co.,Ltd. |
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