CN113131169A - Assembly process of filtering annular assembly - Google Patents
Assembly process of filtering annular assembly Download PDFInfo
- Publication number
- CN113131169A CN113131169A CN202110411052.8A CN202110411052A CN113131169A CN 113131169 A CN113131169 A CN 113131169A CN 202110411052 A CN202110411052 A CN 202110411052A CN 113131169 A CN113131169 A CN 113131169A
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- Prior art keywords
- cavity
- filter
- assembly
- welding
- circulator
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Non-Reversible Transmitting Devices (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Abstract
The invention discloses an assembly process of a filtering annular assembly, which comprises the following steps: s1, a worker puts the cavity of the filtering annular assembly on a polishing station, and polishes the bottom surface and the side wall of the cavity through a polisher to improve the smoothness and the flatness of the bottom surface of the cavity; s2, placing the polished cavity on an assembly platform by a worker, detaching the shell of the circulator, and installing and fixing the gyromagnetic sheet in the circulator on the bottom surface of the cavity; and S3, welding the filter printed board of the filter on the inner wall of the cavity by adopting a soldering tin sheet by workers, and welding the connecting signal printed board of the filter on the inner wall of the cavity by adopting the soldering tin sheet after welding. The invention has the beneficial effects that: the service life of the filtering annular component is prolonged, the heat dissipation efficiency is improved, and the microstrip line is prevented from being broken down or burnt out by ignition.
Description
Technical Field
The invention relates to the technical field of assembly of filtering annular components, in particular to an assembly process of a filtering annular component.
Background
The structure of the existing filtering annular component is shown in fig. 1, and the filtering annular component comprises a filter (1), a circulator (2), a printed line and an insulator (3), wherein a P1 port, a P2 port and a P3 port of the filtering annular component are led out by adopting the insulator (3), and the insulators (3) at the P1 port and the P3 port are connected with microstrip lines. When the filter loop assembly works, signals are input from a P1 port of the filter loop assembly after passing through a power amplifier and an isolator for protecting the power amplifier, and are transmitted through a P2 antenna port of the filter loop assembly; the small signal received by the antenna enters from the P2 port of the filter loop assembly and enters the receiver through the P3 port of the filter loop assembly. The assembly process of the filtering annular component comprises the steps of firstly welding a shell of a circulator in a cavity, then welding the shell of a filter on the side wall of the cavity, then connecting the circulator with the filter, welding insulators (3) at a port P1, a port P2 and a port P3, connecting microstrip lines on the insulators (3) at the port P1 and the port P3, leading out the two microstrip lines from the cavity, and finally adopting a laser seal welding cover plate at the top of the cavity, so that the assembly of the filtering annular component is realized. However, although the existing assembly process can complete the assembly of the filter circulator, the following defects still exist: I. the gyromagnetic sheet in the circulator emits a large amount of heat, and the heat is accumulated in the shell of the circulator, so that the heat cannot be discharged to the outside of the cavity, the circulator is burnt, and the service life of the filtering annular assembly is shortened. II. The filter printed board and the connection signal printed board both emit a large amount of heat, and the heat is accumulated in the filter, so that the heat cannot be discharged to the outside of the cavity, and the filter is burnt, thereby shortening the service life of the filtering annular assembly. III, the thickness of the microstrip line is 0.035mm, the microstrip line is easy to be broken down or burnt out by fire under high peak power, and the service life of the whole filter annular component is shortened.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an assembly process of a filter annular component, which prolongs the service life of the filter annular component, improves the heat dissipation efficiency and prevents a microstrip line from being punctured or burnt by fire.
The purpose of the invention is realized by the following technical scheme: an assembly process of a filter ring assembly, comprising the steps of:
s1, a worker puts the cavity of the filtering annular assembly on a polishing station, and polishes the bottom surface and the side wall of the cavity through a polisher to improve the smoothness and the flatness of the bottom surface of the cavity;
s2, placing the polished cavity on an assembly platform by a worker, detaching the shell of the circulator, and installing and fixing the gyromagnetic sheet in the circulator on the bottom surface of the cavity;
s3, welding the filter printed board of the filter on the inner wall of the cavity by adopting a soldering tin sheet by workers, and welding the connection signal printed board of the filter on the inner wall of the cavity by adopting the soldering tin sheet after welding; connecting the circulator with the filter through a lead;
s4, connecting insulators at a P1 port of the filter by workers, connecting insulators at a P2 port and a P3 port of the circulator, connecting microstrip lines on the insulators at the P1 port and the P3 port, leading the two microstrip lines out of the cavity, and welding a transmission inner conductor on the microstrip lines in a thickening manner;
and S5, welding a cover plate on the top surface of the cavity by a worker by adopting a laser welding process to ensure that other parts of the product except the microstrip line port have good sealing property, thereby finally realizing the assembly of the filtering annular assembly.
The thickness of the transmission inner conductor is 0.5-0.6 mm.
The shape of the transmission inner conductor is the same as that of the microstrip line.
In step S2, the center conductor of the circulator is chamfered to remove sharp burrs on the edge of the center conductor.
The invention has the following advantages:
1. the thickness of transmission inner conductor is 0.5~0.6mm, and the shape of transmission inner conductor is the same with the shape of microstrip line to guaranteed under high peak power that the microstrip line is punctured or is struck sparks and burn out, very big extension the life of whole filtering annular subassembly.
2. The center conductor of the circulator is chamfered to remove sharp-angled burrs on the edge of the center conductor, so that the microwave circuit system is guaranteed to work reliably when products are prevented from being broken down and ignited under high peak power.
3. The electric wave filter printed board and the connection signal printed board of the electric wave filter both adopt soldering tin pieces, and the printed boards are welded on the wall of the inner cavity, so that good grounding performance can be guaranteed, the printed boards can be firmly fixed on the cavity, the heat conductivity can be improved, the heat on the surfaces of the electric wave filter printed board and the connection signal printed board is effectively reduced, the service life of the electric wave filter is prolonged, and the service life of the wave ring-shaped assembly is further prolonged.
4. Because the gyromagnetic sheet in the circulator is directly installed and fixed on the bottom surface of the cavity, the heat conduction distance is shortened, the thermal resistance is reduced, the heat on the gyromagnetic sheet is directly conducted to the outside through the bottom of the cavity, and the heat generated by the gyromagnetic sheet can be quickly dissipated through the bottom plate of the cavity; in addition, the smooth finish and the flatness of the bottom surface of the cavity are very high, the close contact between the gyromagnetic sheet and the bottom surface of the cavity is ensured, the heat can be effectively dissipated and transmitted out through the bottom plate of the cavity, the surface temperature of the gyromagnetic sheet is effectively reduced, the service life of the circulator is prolonged, and the service life of the wave ring-shaped assembly is further prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of welding of the transmission inner conductor and the microstrip line;
in the figure, 1-filter, 2-circulator, 3-insulator, 4-microstrip line, 5-transmission inner conductor.
Detailed Description
The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following: an assembly process of a filter ring assembly, comprising the steps of:
s1, a worker puts the cavity of the filtering annular assembly on a polishing station, and polishes the bottom surface and the side wall of the cavity through a polisher to improve the smoothness and the flatness of the bottom surface of the cavity;
s2, placing the polished cavity on an assembly platform by a worker, detaching the shell of the circulator, and installing and fixing the gyromagnetic sheet in the circulator on the bottom surface of the cavity; in step S2, the center conductor of the circulator is chamfered to remove sharp corners and burrs on the edge of the center conductor, thereby preventing the product from being broken down and ignited under high peak power, and ensuring the reliable operation of the microwave circuit system;
s3, welding the filter printed board of the filter on the inner wall of the cavity by adopting a soldering tin sheet by workers, and welding the connection signal printed board of the filter on the inner wall of the cavity by adopting the soldering tin sheet after welding; connecting the circulator with the filter through a lead;
s4, connecting insulators at a P1 port of the filter by workers, connecting insulators at a P2 port and a P3 port of the circulator, connecting microstrip lines on the insulators at the P1 port and the P3 port, leading the two microstrip lines out of the cavity, and welding a transmission inner conductor on the microstrip lines in a thickening manner;
and S5, welding a cover plate on the top surface of the cavity by a worker by adopting a laser welding process to ensure that other parts of the product except the microstrip line port have good sealing property, thereby finally realizing the assembly of the filtering annular assembly. The working process of the filtering annular assembly is as follows: after passing through a power amplifier and an isolator for protecting the power amplifier, a signal is input from a P1 port of the filtering annular component and is transmitted through a P2 antenna port of the filtering annular component; the small signal received by the antenna enters from the P2 port of the filter loop assembly and enters the receiver through the P3 port of the filter loop assembly.
The thickness of the transmission inner conductor is 0.5-0.6 mm, and the shape of the transmission inner conductor is the same as that of the microstrip line as shown in figure 2, so that the microstrip line is guaranteed to be broken down or burnt out by ignition under high peak power, and the service life of the whole filtering annular assembly is greatly prolonged.
In step S2, since the gyromagnetic sheet in the circulator is directly mounted and fixed on the bottom surface of the cavity, the heat conduction distance is shortened and the thermal resistance is reduced, so that the heat on the gyromagnetic sheet is directly conducted to the outside through the bottom of the cavity, and the heat generated by the gyromagnetic sheet can be quickly dissipated through the bottom plate of the cavity; in addition, the smooth finish and the flatness of the bottom surface of the cavity are very high, the close contact between the gyromagnetic sheet and the bottom surface of the cavity is ensured, the heat can be effectively dissipated and transmitted out through the bottom plate of the cavity, the surface temperature of the gyromagnetic sheet is effectively reduced, the service life of the circulator is prolonged, and the service life of the wave ring-shaped assembly is further prolonged.
In step S3, the filter printed board and the connection signal printed board of the filter are soldered on the inner cavity wall by using solder pads, so that the filter printed board and the connection signal printed board can be firmly fixed to the cavity while ensuring good grounding performance, and the heat conductivity can be improved, thereby effectively reducing the heat on the surfaces of the filter printed board and the connection signal printed board, and prolonging the service life of the filter and the wave ring assembly.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An assembly process of a filtering annular assembly is characterized in that: it comprises the following steps:
s1, a worker puts the cavity of the filtering annular assembly on a polishing station, and polishes the bottom surface and the side wall of the cavity through a polisher to improve the smoothness and the flatness of the bottom surface of the cavity;
s2, placing the polished cavity on an assembly platform by a worker, detaching the shell of the circulator, and installing and fixing the gyromagnetic sheet in the circulator on the bottom surface of the cavity;
s3, welding the filter printed board of the filter on the inner wall of the cavity by adopting a soldering tin sheet by workers, and welding the connection signal printed board of the filter on the inner wall of the cavity by adopting the soldering tin sheet after welding; connecting the circulator with the filter through a lead;
s4, connecting insulators at a P1 port of the filter by workers, connecting insulators at a P2 port and a P3 port of the circulator, connecting microstrip lines on the insulators at the P1 port and the P3 port, leading the two microstrip lines out of the cavity, and welding a transmission inner conductor on the microstrip lines in a thickening manner;
and S5, welding a cover plate on the top surface of the cavity by a worker by adopting a laser welding process to ensure that other parts of the product except the microstrip line port have good sealing property, thereby finally realizing the assembly of the filtering annular assembly.
2. A process for assembling a filter ring assembly according to claim 1, wherein: the thickness of the transmission inner conductor is 0.5-0.6 mm.
3. A process for assembling a filter ring assembly according to claim 1, wherein: the shape of the transmission inner conductor is the same as that of the microstrip line.
4. A process for assembling a filter ring assembly according to claim 1, wherein: in step S2, the center conductor of the circulator is chamfered to remove sharp burrs on the edge of the center conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110411052.8A CN113131169B (en) | 2021-04-16 | 2021-04-16 | Assembly process of filtering annular assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110411052.8A CN113131169B (en) | 2021-04-16 | 2021-04-16 | Assembly process of filtering annular assembly |
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| Publication Number | Publication Date |
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| CN113131169A true CN113131169A (en) | 2021-07-16 |
| CN113131169B CN113131169B (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110411052.8A Active CN113131169B (en) | 2021-04-16 | 2021-04-16 | Assembly process of filtering annular assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115513626A (en) * | 2022-11-03 | 2022-12-23 | 南京天朗防务科技有限公司 | High-power annular filter |
Citations (6)
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|---|---|---|---|---|
| KR20110002943A (en) * | 2009-07-03 | 2011-01-11 | (주)라임티앤씨 | Compact filter structure for rf repeater |
| US20110193649A1 (en) * | 2004-12-17 | 2011-08-11 | Ems Technologies, Inc. | Integrated circulators sharing a continuous circuit |
| CN102629704A (en) * | 2012-04-28 | 2012-08-08 | 成都泰格微波技术股份有限公司 | Circulator high-power heat radiator |
| CN103692042A (en) * | 2013-11-28 | 2014-04-02 | 上海航天测控通信研究所 | Method for connecting micro-strip plate and metal shell |
| CN105633536A (en) * | 2014-11-07 | 2016-06-01 | 北京北广科技股份有限公司 | Enhanced microstrip line power synthesizer |
| CN205376717U (en) * | 2016-01-05 | 2016-07-06 | 成都泰格微波技术股份有限公司 | Circulator subassembly |
-
2021
- 2021-04-16 CN CN202110411052.8A patent/CN113131169B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110193649A1 (en) * | 2004-12-17 | 2011-08-11 | Ems Technologies, Inc. | Integrated circulators sharing a continuous circuit |
| KR20110002943A (en) * | 2009-07-03 | 2011-01-11 | (주)라임티앤씨 | Compact filter structure for rf repeater |
| CN102629704A (en) * | 2012-04-28 | 2012-08-08 | 成都泰格微波技术股份有限公司 | Circulator high-power heat radiator |
| CN103692042A (en) * | 2013-11-28 | 2014-04-02 | 上海航天测控通信研究所 | Method for connecting micro-strip plate and metal shell |
| CN105633536A (en) * | 2014-11-07 | 2016-06-01 | 北京北广科技股份有限公司 | Enhanced microstrip line power synthesizer |
| CN205376717U (en) * | 2016-01-05 | 2016-07-06 | 成都泰格微波技术股份有限公司 | Circulator subassembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115513626A (en) * | 2022-11-03 | 2022-12-23 | 南京天朗防务科技有限公司 | High-power annular filter |
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| Publication number | Publication date |
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| CN113131169B (en) | 2022-07-01 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Assembly process of a filter ring assembly Effective date of registration: 20230104 Granted publication date: 20220701 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU TIGER MICROELECTRONICS RESEARCH INSTITUTE Co.,Ltd. Registration number: Y2023990000006 |
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