CN112924780B - Debugging device for microwave module and manufacturing method thereof - Google Patents
Debugging device for microwave module and manufacturing method thereof Download PDFInfo
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- CN112924780B CN112924780B CN202110102000.2A CN202110102000A CN112924780B CN 112924780 B CN112924780 B CN 112924780B CN 202110102000 A CN202110102000 A CN 202110102000A CN 112924780 B CN112924780 B CN 112924780B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Abstract
The invention discloses a debugging device for a microwave module, wherein a base is divided into an upper cavity and a lower cavity, the upper cavity is provided with two grooves, one groove is in the shape of the microwave module to be debugged, and the other groove is provided with a first microwave circuit board; the lower cavity is provided with a second microwave circuit board; the side of the base is provided with a first radio frequency connector, a second radio frequency connector, a first DC insulator, a second DC insulator and a grounding column; a method of manufacture is also disclosed. The debugging device can realize debugging rapidly, does not need to use an electric soldering iron to weld the debugging capacitor on the microstrip conductor when each module is debugged, directly presses the microstrip conductor needing to be welded with the debugging capacitor by using the simple device for debugging the capacitor, realizes the matching of the debugging capacitor, greatly saves welding time, and avoids the pollution of welding to the module. Meanwhile, the manufacturing method is simple, and the debugging device manufactured by the method is used for debugging, so that the debugging time is greatly saved, and powerful guarantee is provided for batch debugging.
Description
Technical Field
The invention relates to the technical field of debugging devices of microwave modules, in particular to a debugging device for a microwave module and a manufacturing method thereof.
Background
In recent years, the microwave module has been widely applied to the fields of radars, electronic countermeasure, broadcast television and the like, and almost all the microwave modules need to debug the performance indexes of the microwave modules after assembly and assembly are completed, and the performance indexes of the modules meet the product requirements through debugging; for debugging of mass products, a scientific and reasonable debugging device is particularly important.
Therefore, there is an urgent need to provide a scientific, reasonable, simple and time-saving debugging device to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a debugging device for a microwave module, which can realize debugging rapidly, does not need to weld a debugging capacitor on a microstrip wire by an electric soldering iron when one module is debugged, directly presses the microstrip wire which needs to be welded with the debugging capacitor by a simple device for debugging the capacitor, realizes the matching of the debugging capacitor, greatly saves the welding time and avoids the pollution of welding to the module.
Another object of the present invention is to provide a method for manufacturing a debugging device for a microwave module, which is simple, and the debugging device manufactured by the method can greatly save debugging time and provide powerful guarantee for batch debugging.
In order to achieve the above purpose, the invention provides a debugging device for a microwave module, which comprises a base and a simple debugging capacitor matching tool;
the base is divided into an upper cavity and a lower cavity, the upper cavity is provided with two grooves, one groove is in the shape of a microwave module to be debugged, and three through holes and four screw holes are formed in the groove; the other groove is provided with a first microwave circuit board; the lower cavity is provided with a second microwave circuit board;
the side of the base is provided with a first radio frequency connector, a second radio frequency connector, a first DC insulator, a second DC insulator and a grounding column; wherein, the liquid crystal display device comprises a liquid crystal display device,
the second microwave circuit board is provided with a first jack metal column, a second jack metal column and a third jack metal column; the through hole is used for realizing the intercommunication of the upper cavity and the lower cavity, and an insulator on the microwave module is connected with a jack metal column on the second microwave circuit board through the through hole, so as to realize the electric intercommunication;
the screw holes are used for fixing the microwave module;
the first radio frequency connector is connected with the first microwave circuit board, and the second radio frequency connector is connected with the second microwave circuit board;
the first DC insulator and the second DC insulator are connected with the second microwave circuit board;
the simple debugging capacitor matching tool is of a square structure and comprises a support column, a first copper sheet, a second copper sheet and a debugging capacitor; the support column is made of polytetrafluoroethylene materials, a first copper sheet and a second copper sheet are arranged at two ends of the support column, and a debugging capacitor is arranged between the first copper sheet and the second copper sheet.
The invention also provides a manufacturing method of the debugging device for the microwave module, which comprises the following steps:
step 1, manufacturing and processing structural components and a microwave circuit board;
step 2, welding the jack metal column with the microwave circuit board;
step 3, brazing the microwave circuit board, the DC insulator and the base;
step 4, welding the radio frequency connector, the grounding column and the base;
step 5, glue filling of the microwave circuit board;
step 6, manufacturing a simple tool for debugging capacitance matching;
and 7, debugging.
Preferably, in step 1, manufacturing and processing a structural member according to a structural member drawing, wherein the base material is LY12, and the surface is subjected to silver plating; and manufacturing and processing the microwave circuit board according to the drawing of the microwave circuit board, wherein the microwave circuit board is made of FR-4 and is metallized on the back.
Preferably, in step 2, the first jack metal column, the second jack metal column and the third jack metal column are welded on the second microwave circuit board with the open ends of the inner holes of the jack metal columns facing downwards by using an electric soldering iron to melt soldering tin wires, and the open ends of the inner holes of the jack metal columns are flush with the metallized layer on the back of the microwave circuit board.
Preferably, the material of the solder wire is Sn96.5Ag3Cu0.5.
Preferably, step 3 comprises:
a. cutting SN63CR37AGS89.5 soldering lugs of the shape and the size of the first microwave circuit board and the second microwave circuit board by using a surgical knife, wherein the soldering lugs are respectively a first soldering lug and a second soldering lug; sequentially placing the first soldering lug and the first microwave circuit board at the corresponding positions of the base, then placing the second soldering lug and the second microwave circuit board at the corresponding positions of the base, then placing the base on a heat table with the temperature of 210 ℃ for sintering, and applying pressure to enable the first microwave circuit board and the second microwave circuit board to be in close welding contact with the base;
b. coating two circles of SN63CR37AGS89.5 soldering paste on the metal peripheries of the first DC insulator and the second DC insulator by using a pneumatic dispenser, respectively mounting at corresponding positions of the base, placing on a heat table with the temperature of 170 ℃ for preheating for 3min, and then heating the soldering paste positions of the first DC insulator and the second DC insulator by using a hot air gun to melt the soldering paste, so as to finish the welding of the first DC insulator, the second DC insulator and the base; and the electric soldering iron melts the soldering tin wire to weld the lap joint of the first DC insulator, the second DC insulator and the second microwave circuit board together, and the welding spot is round and bright.
Preferably, step 4 comprises:
a. the first radio frequency connector and the second radio frequency connector are fixed on the base through M2 screws, an electric soldering iron melts soldering tin wires to weld the lap joint of the first radio frequency connector and the first microwave circuit board together by soldering tin, and the welding spots are round and bright; the electric soldering iron melts the soldering tin wire to weld the lap joint of the second radio frequency connector and the second microwave circuit board together, and the welding spot is round and bright;
b. the grounding column is screwed on the base through threads of the grounding column.
Preferably, in step 5, the potting adhesive GMX8152-04/H and the GMX8152-04/H are mixed and stirred according to the mass ratio of 1:1 by using a pneumatic dispensing machine, and the potting adhesive is dispensed on the second microwave circuit board, so that the potting adhesive covers the whole base groove and is flush with the bottom surface of the base.
Preferably, step 6 comprises: according to the simple tool drawing for debugging capacitance matching, the first copper sheet and the second copper sheet are adhered to two ends of the supporting column by epoxy resin glue with the model of HysolEO1016, and then the debugging capacitance is welded between the first copper sheet and the second copper sheet by using an electric soldering iron melting soldering wire, so that the simple tool for debugging capacitance matching is formed as a whole.
Preferably, step 7 comprises: the microwave module is fixedly arranged on the base of the debugging device through screws, a gap between the microwave module and the first microwave circuit board is connected through the debugging capacitor, the debugging capacitor is directly pressed between the microwave module and the first microwave circuit board through a simple debugging capacitor matching tool, and the first copper sheet and the second copper sheet of the debugging capacitor, which are welded with the debugging capacitor, are respectively pressed on the first microstrip line and the second microstrip line of the microwave module and the first microwave circuit board, so that the quick matching of the debugging capacitor is realized.
According to the technical scheme, the simple debugging capacitor matching device replaces the original process that an electric soldering iron is needed to weld the debugging capacitor on the microstrip conductor when each module is debugged, the microstrip conductor needing to be welded with the debugging capacitor is directly pressed by the simple debugging capacitor matching tool, matching of the debugging capacitor is achieved, welding time is greatly saved, and pollution of welding to the module is avoided. The debugging device is scientific, reasonable and practical in design and simple in manufacturing method, and the debugging device manufactured by the method is used for debugging, so that the debugging time is greatly saved, and powerful guarantee is provided for batch debugging.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate the invention and together with the description serve to explain, without limitation, the invention. In the drawings:
FIG. 1 is a schematic diagram of the front structure of a microwave module debugging device in the invention;
FIG. 2 is a schematic diagram of the back structure of a microwave module debugging device according to the present invention;
FIG. 3 is a schematic diagram of a microwave module installed in a debugging device according to the present invention;
fig. 4 is a schematic diagram of a simple tool for debugging capacitance matching in the invention.
Description of the reference numerals
1-base 2-first microwave circuit board
3-second microwave circuit board 4-first radio frequency connector
5-second radio frequency connector 6-first DC insulator
7-second DC insulator 8-grounding post
9-first jack metal column 10-second jack metal column
11-third jack metal column 12-first microstrip line
13-second microstrip line 14-via
15-screw hole 16-support column
17-first copper sheet 18-second copper sheet
19-debug capacitor 20-microwave module
Detailed Description
The following describes specific embodiments of the present invention in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the invention, are not intended to limit the invention.
In the present invention, unless otherwise indicated, the terms "upper" and "lower" and the like are used merely to denote orientations of the terms in a normal use state or are commonly understood by those skilled in the art, and should not be construed as limitations of the terms.
Referring to fig. 1 and 2, the debugging device for the microwave module comprises a base 1 and a simple debugging capacitor matching tool;
the base 1 is divided into an upper cavity and a lower cavity, the upper cavity is provided with two grooves, one groove is in the shape of a microwave module 20 to be debugged, and three through holes 14 and four screw holes 15 are formed in the groove; the other groove is provided with a first microwave circuit board 2; the lower cavity is provided with a second microwave circuit board 3;
the side of the base 1 is provided with a first radio frequency connector 4, a second radio frequency connector 5, a first DC insulator 6, a second DC insulator 7 and a grounding column 8; wherein, the liquid crystal display device comprises a liquid crystal display device,
the second microwave circuit board 3 is provided with a first jack metal column 9, a second jack metal column 10 and a third jack metal column 11; the through hole 14 is used for realizing the intercommunication between the upper cavity and the lower cavity, and an insulator on the microwave module 20 is connected with a jack metal column on the second microwave circuit board 3 through the through hole 14 to realize the electric intercommunication;
screw holes 15 are used for fixing microwave module 20;
the first radio frequency connector 4 is connected with the first microwave circuit board 2, and the second radio frequency connector 5 is connected with the second microwave circuit board 3;
the first DC insulator 6 and the second DC insulator 7 are connected with the second microwave circuit board 3;
the simple debugging capacitor matching tool is of a square structure and comprises a support column 16, a first copper sheet 17, a second copper sheet 18 and a debugging capacitor 19; the support column 16 is made of polytetrafluoroethylene materials, a first copper sheet 17 and a second copper sheet 18 are arranged at two ends of the support column, and a debugging capacitor 19 is arranged between the first copper sheet 17 and the second copper sheet 18.
The invention also provides a manufacturing method of the debugging device for the microwave module, which comprises the following steps:
step 1, manufacturing and processing structural components and a microwave circuit board;
step 2, welding the jack metal column with the microwave circuit board;
step 3, brazing the microwave circuit board, the DC insulator and the base 1;
step 4, the radio frequency connector and the grounding column are electrically welded with the base 1;
step 5, glue filling of the microwave circuit board;
step 6, manufacturing a simple tool for debugging capacitance matching;
and 7, debugging.
In the step 1, manufacturing and processing a structural member according to a structural member drawing, wherein the base 1 is LY12, and the surface is subjected to silver plating treatment; and manufacturing and processing the microwave circuit board according to the drawing of the microwave circuit board, wherein the microwave circuit board is made of FR-4 and is metallized on the back.
In step 2, the opening ends of the inner holes of the first jack metal column 9, the second jack metal column 10 and the third jack metal column 11 are welded on the second microwave circuit board 3 downwards by using electric soldering iron to melt soldering tin wires, and the opening ends of the inner holes of the jack metal columns are flush with the metallized layer on the back of the microwave circuit board.
The material of the soldering tin wire is Sn96.5Ag3Cu0.5.
The step 3 comprises the following steps:
a. cutting SN63CR37AGS89.5 soldering lugs of the shape and the size of the first microwave circuit board 2 and the second microwave circuit board 3 by using a surgical knife, wherein the soldering lugs are respectively a first soldering lug and a second soldering lug; sequentially placing the first soldering lug and the first microwave circuit board 2 at the corresponding positions of the base 1, then placing the second soldering lug and the second microwave circuit board 3 at the corresponding positions of the base 1, then placing the first soldering lug and the second microwave circuit board on a heat table with the temperature of 210 ℃ for sintering, and applying pressure to enable the first microwave circuit board 2 and the second microwave circuit board 3 to be in close welding contact with the base 1;
b. coating two circles of SN63CR37AGS89.5 soldering paste on the metal peripheries of the first DC insulator 6 and the second DC insulator 7 by using a pneumatic dispenser, respectively mounting at corresponding positions of the base 1, placing on a heat table with the temperature of 170 ℃ for preheating for 3min, and then heating the soldering paste positions of the first DC insulator 6 and the second DC insulator 7 by using a hot air gun to melt the soldering paste, thereby completing the welding of the first DC insulator 6, the second DC insulator 7 and the base 1; and the electric soldering iron melts the soldering tin wire to weld the lap joint parts of the first DC insulator 6, the second DC insulator 7 and the second microwave circuit board 3 together, so that the welding spots are round and bright.
Step 4 comprises:
a. the first radio frequency connector 4 and the second radio frequency connector 5 are fixed on the base 1 through M2 screws, an electric soldering iron melts soldering tin wires to weld the lap joint of the first radio frequency connector 4 and the first microwave circuit board 2 together by soldering tin, and the welding spots are round and bright; the electric soldering iron melts the soldering tin wire to weld the lap joint of the second radio frequency connector 5 and the second microwave circuit board 3 together, and the welding spot is round and bright;
b. the grounding column 8 is screwed on the base 1 through own threads.
In the step 5, the pouring sealant GMX8152-04/H and the GMX8152-04/H are mixed and stirred according to the mass ratio of 1:1 by using a pneumatic dispenser and dispensed on the second microwave circuit board 3, so that the pouring sealant covers the whole groove of the base 1 and is flush with the bottom surface of the base 1.
The step 6 comprises the following steps: according to the simple tool diagram for debugging capacitance matching, the first copper sheet 17 and the second copper sheet 18 are adhered to two ends of the support column 16 by epoxy resin glue with the model of HysolEO1016, and then the debugging capacitance 19 is welded between the first copper sheet 17 and the second copper sheet 18 by using an electric soldering iron melting soldering wire, so that the debugging capacitance matching simple tool is formed as a whole.
Referring to fig. 3, step 7 includes: the microwave module 20 is fixedly arranged on the debugging device base 1 by using a screw, a gap between the microwave module 20 and the first microwave circuit board 2 is connected by using a debugging capacitor, the debugging capacitor is directly pressed between the microwave module 20 and the first microwave circuit board 2 by using a simple debugging capacitor matching tool, as shown in fig. 4, a first copper sheet 17 and a second copper sheet 18 of the debugging capacitor matching simple debugging tool welded with the debugging capacitor 19 are respectively pressed on a first microstrip line 12 and a second microstrip line 13 of the microwave module 20 and the first microwave circuit board 2, so that the quick matching of the debugging capacitor is realized.
Through the technical scheme, the debugging device can realize debugging rapidly, the debugging capacitor is welded with the micro-wave module and the micro-strip circuit board by using the electric soldering iron when each module is not required to be debugged, the micro-strip lead wire of the debugging capacitor is directly pressed by using the simple device for debugging the capacitor, the matching of the debugging capacitor is realized, the welding time is greatly saved, and the pollution of welding to the module is avoided. The debugging device is scientific, reasonable and practical in design and simple in manufacturing method, and the debugging device manufactured by the method is used for debugging, so that the debugging time is greatly saved, and powerful guarantee is provided for batch debugging.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the scope of the technical concept of the present invention, and all the simple modifications belong to the protection scope of the present invention.
In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.
Moreover, any combination of the various embodiments of the invention can be made without departing from the spirit of the invention, which should also be considered as disclosed herein.
Claims (1)
1. The debugging device for the microwave module is characterized by comprising a base (1) and a simple debugging capacitor matching tool;
the base (1) is divided into an upper cavity and a lower cavity, the upper cavity is provided with two grooves, one groove is in the shape of a microwave module (20) to be debugged, and three through holes (14) and four screw holes (15) are formed in the groove; the other groove is provided with a first microwave circuit board (2); the lower cavity is provided with a second microwave circuit board (3);
the side of the base (1) is provided with a first radio frequency connector (4), a second radio frequency connector (5), a first DC insulator (6), a second DC insulator (7) and a grounding column (8); wherein, the liquid crystal display device comprises a liquid crystal display device,
the second microwave circuit board (3) is provided with a first jack metal column (9), a second jack metal column (10) and a third jack metal column (11); the through hole (14) is used for realizing the intercommunication of the upper cavity and the lower cavity, and an insulator on the microwave module (20) is connected with a jack metal column on the second microwave circuit board (3) through the through hole (14) to realize the electric intercommunication;
the screw holes (15) are used for fixing the microwave module (20);
the first radio frequency connector (4) is connected with the first microwave circuit board (2), and the second radio frequency connector (5) is connected with the second microwave circuit board (3);
the first DC insulator (6) and the second DC insulator (7) are connected with the second microwave circuit board (3);
the simple debugging capacitor matching tool is of a square structure and comprises a support column (16), a first copper sheet (17), a second copper sheet (18) and a debugging capacitor (19); the support columns (16) are made of polytetrafluoroethylene materials, a first copper sheet (17) and a second copper sheet (18) are arranged at two ends of the support columns, and a debugging capacitor (19) is arranged between the first copper sheet (17) and the second copper sheet (18);
the debugging process comprises the following steps: the microwave module (20) is fixedly arranged on the debugging device base (1) through screws, a gap between the microwave module (20) and the first microwave circuit board (2) is connected through a debugging capacitor, the debugging capacitor is directly pressed between the microwave module (20) and the first microwave circuit board (2) through a simple debugging capacitor matching tool, and the first copper sheet (17) and the second copper sheet (18) of the debugging capacitor (19) are welded on the first microstrip line (12) and the second microstrip line (13) of the microwave module (20) and the first microwave circuit board (2) through the simple debugging capacitor matching tool, so that quick matching of the debugging capacitor is realized.
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