CN110854480A - Surface-mounted coaxial microwave switch - Google Patents
Surface-mounted coaxial microwave switch Download PDFInfo
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- CN110854480A CN110854480A CN201911174667.2A CN201911174667A CN110854480A CN 110854480 A CN110854480 A CN 110854480A CN 201911174667 A CN201911174667 A CN 201911174667A CN 110854480 A CN110854480 A CN 110854480A
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- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 239000008358 core component Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- 230000008054 signal transmission Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/10—Auxiliary devices for switching or interrupting
- H01P1/11—Auxiliary devices for switching or interrupting by ferromagnetic devices
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
A surface-mounted coaxial microwave switch comprises a shell, wherein a first chamber, a second chamber and a third chamber are arranged in the shell, a coil and an iron core are arranged in the first chamber, the lower side of the iron core exceeds the coil and is provided with a push plate, the second chamber is provided with a first push rod and a second push rod, the upper sides of the first push rod and the second push rod are abutted against the push plate, the first push rod and the second push rod are sleeved with a reset spring, a first lead is arranged in the middle of the third chamber, the left part and the right part of the third chamber are respectively provided with a second lead and a first lead which move forwards and backwards, the second lead and the third lead are provided with overlapping areas, a first horizontal reed is arranged on the lower side of the first push rod, the first horizontal reed is higher than the first lead and spans the first lead and the second lead, a second horizontal reed is arranged on the lower side of the second push rod, and the second horizontal reed is lower than the first lead and spans the first lead and the third lead. The switch overcomes the defects of the prior art and has the advantages of compact structure and miniaturization.
Description
Technical Field
The invention relates to a surface-mounted coaxial microwave switch.
Background
The coaxial microwave switch widely applied in the market at present mainly takes series such as a 2.92 interface, an SMA interface, an N-type interface and the like as main parts, and in order to meet the requirement of quick interconnection with an external cable assembly, the size of the switch is limited by adopting the size of a standard connector, so that the coaxial microwave switch is not beneficial to miniaturization and integration of products. As a core component in the microwave communication field, the development of the microwave communication field is seriously affected. At present, the development of the miniaturization of the coaxial microwave switch is still in the first stage, and a solid-state switch with poor radio frequency index has to be adopted in many important projects due to the size limitation.
The microwave switch is also called a radio frequency relay and mainly comprises the following components: solid state, coaxial, waveguide, and microelectromechanical (MEMS) structures. The coaxial microwave switch has excellent radio frequency signal transmission capability and higher rated power capacity, and is in the leading position in the market for a long time.
With the development of science and technology, modularization, miniaturization and integration gradually become the mainstream trend of the development of times. The development of the microwave communication field is seriously influenced by the functionality of the microwave switch which is a core component in the field of microwave communication. Especially, the development of the products is greatly restricted by the external dimensions of the waveguide and the coaxial microwave switch. Meanwhile, the solid-state switch is more popular in the market due to the advantages of smaller size and convenience in integration.
The coaxial microwave switch mainly comprises a signal control system, an electromagnetic conversion system and a radio frequency transmission switching system, the forms of the coaxial microwave switch mainly comprise three types, namely a single-pole double-throw type, a double-pole double-throw type and a single-pole multi-throw type, the coaxial microwave switch has a plurality of interface types according to different frequencies and power ranges, the miniaturization design of the coaxial microwave switch structure is carried out earlier, but the work progress is slow due to the complex structure, the size of a radio frequency connector is standardized earlier and the like.
Disclosure of Invention
The invention aims to provide a surface-mounted coaxial microwave switch which is compact in structure and miniaturized.
The invention provides a surface-mounted coaxial microwave switch, which comprises a packaging shell, wherein a first cavity, a second cavity and a third cavity are arranged in the shell up and down, the first cavity is communicated with the second cavity, a coil in a vertical direction and an iron core matched with the coil are arranged in the first cavity, two power supply lines of the coil penetrate out of the shell, the lower side of the iron core exceeds the coil and is provided with a horizontal push plate, the front-back middle part of the second cavity is provided with a first push rod and a second push rod which are arranged left and right, the length directions of the first push rod and the second push rod are vertical, the upper sides of the first push rod and the second push rod are parallel and level and are respectively abutted against the lower side of the push plate, the positions of the lower side of the second cavity corresponding to the first push rod and the second push rod are respectively provided with a first through hole and a second through hole which are matched with the first push rod and the second push rod and are, the lower sides of the first push rod and the second push rod respectively penetrate through the first through hole and the second through hole, return springs are sleeved on the upper portions of the first push rod and the second push rod, bosses which are arranged in the circumferential direction are arranged on the upper sides of the first push rod and the second push rod, the upper side of each return spring is abutted against the lower side of the corresponding boss, the lower side of each return spring is abutted against the lower side of the second chamber, a first lead wire which moves forwards and backwards is arranged in the middle of the left and right sides of the third chamber, the first lead wire penetrates out of the shell from the front side, a second lead wire and a third lead wire which move forwards and backwards are respectively arranged on the left portion and the right portion of the third chamber, the second lead wire and the third lead wire penetrate out of the shell from the rear side, overlapping regions are arranged in the middle of the front and back directions of the first lead wire, the second lead wire and the third lead wire, the central axes of the first lead wire, the second, the first horizontal reed is positioned below the first lead and the second lead and covers the first lead and the second lead in a left-right direction in a spanning manner, the second horizontal reed is arranged on the lower side of the second push rod and positioned above the first lead and the third lead and covers the first lead and the third lead in a left-right direction in a spanning manner.
Preferably, the first lead, the second lead and the third lead are all phi 0.45mm in specification.
For the sake of simplicity, the surface-mounted coaxial microwave switch of the present invention is simply referred to as the present switch.
The use method of the switch comprises the following steps: the first lead, the second lead, the third lead and the power supply line of the switch are welded on a microstrip circuit board, then the first horizontal reed is in contact with the first lead and the second lead at the initial position, at the moment, signals enter the switch from the first lead and are led out from the second lead, the iron core descends after the coil is powered up through the power supply line, the first push rod and the second push rod are pushed and drive the first horizontal reed and the second horizontal reed to move downwards, the first horizontal reed is disconnected with the first lead and the second lead, the second horizontal reed is in contact with the first lead and the third lead, at the moment, signals enter the switch from the first lead and are led out from the third lead, and the power supply line returns to the initial position under the action of a reset spring after power failure.
The switch has the advantages that: the switch adopts a solenoid type electromagnetic conversion system structure, the magnetic energy of the coil is fully utilized due to small magnetic leakage, and the structural size of the electromagnetic conversion system is reduced; the electromagnetic coil is directly controlled by the wiring terminal, so that a rectangular connector with larger volume and a printed circuit board circuit are avoided; in addition, the adopted non-standard high-frequency terminal (phi 0.45mm) and the binding post can be welded on the micro-strip circuit board, thereby realizing the integrated design of the microwave switch. In conclusion, the switch overcomes the defects of the prior art and has the advantages of compact structure and miniaturization.
Drawings
Fig. 1 is a perspective view of the present switch.
Fig. 2 is a schematic diagram of the structure of the present switch.
Detailed Description
Referring to fig. 1 and 2, a surface-mounted coaxial microwave switch comprises a package housing 1, a first chamber 11, a second chamber 12 and a third chamber 13 which are arranged up and down are arranged in the housing 1, the first chamber 11 is communicated with the second chamber 12, a circular base 2 for installing a coil 3 is arranged in the first chamber 11, a positioning shaft 21 is arranged in the middle of the base 2, the coil 3 in a vertical direction is sleeved on the positioning shaft 21, an iron core 31 matched with the coil 3 is inserted in the lower portion of the coil 3, an auxiliary spring 22 in a vertical arrangement is arranged between the iron core 31 and the positioning shaft 21 on the same axis, two power supply lines 33 of the coil 3 penetrate through the housing 1, the lower side of the iron core 31 exceeds the coil 3 and is provided with a horizontal push plate 32, a first push rod 4 and a second push rod 5 which are arranged left and right are arranged in the middle of the second chamber 12 in the front and back direction, the length directions of the first push rod, the upper sides of the first push rod 4 and the second push rod 5 are parallel and level and are respectively abutted against the lower side of the push plate 32, the lower side of the second chamber 12 is correspondingly provided with a first through hole 14 and a second through hole 15 which are respectively matched with the first push rod 4 and the second push rod 5 and are communicated with the second chamber 12 and the third chamber 13, the lower sides of the first push rod 4 and the second push rod 5 respectively penetrate through the first through hole 14 and the second through hole 15, the upper parts of the first push rod 4 and the second push rod 5 are respectively sleeved with a return spring 61, the upper sides of the first push rod 4 and the second push rod 5 are respectively provided with a boss 6 which are circumferentially arranged, the upper side of each return spring 61 is abutted against the lower side of the corresponding boss 6, the lower side of each return spring 61 is abutted against the lower side of the second chamber 12, the middle part of the left-to-right direction of the third chamber 13 is provided with a first lead 7 which moves forwards and backwards, and forwards, the first lead 7 passes through the, the left part and the right part of the third chamber 13 are respectively provided with a second lead 8 and a third lead 9 which move back and forth, the second lead 8 and the third lead 9 penetrate out of the shell 1 from the rear side, the middle parts of the first lead 7, the second lead 8 and the third lead 9 in the front and back direction have overlapping areas, the central axes of the first lead 7, the second lead 8 and the third lead 9 share a horizontal plane, the lower side of the first push rod 4 is provided with a first horizontal reed 41, the first horizontal reed 41 is positioned below the first lead 7 and the second lead 8 and spans the first lead 7 and the second lead 8 in the left and right direction, the upper side of the first horizontal reed 41 abuts against the lower sides of the first lead 7 and the second lead 8, the lower side of the second push rod 5 is provided with a second horizontal reed 51, and the second horizontal reed 51 is positioned above the first lead 7 and the third lead 9 and spans the first lead 7 and the third lead 9 in the left and right direction.
The specifications of the first lead 7, the second lead 8 and the third lead 9 are all phi 0.45 mm.
The use method of the switch comprises the following steps: a first lead 7, a second lead 8, a third lead 9 and a power supply line 33 of the switch are welded on a microstrip circuit board, then a first horizontal reed 41 is in contact with the first lead 7 and the second lead 8 at an initial position, at the moment, signals enter the switch from the first lead 7 and are led out from the second lead 8, an iron core 31 descends after the coil 3 is electrified through the power supply line 33, a first push rod 4 and a second push rod 5 are pushed and drive the first horizontal reed 41 and the second horizontal reed 51 to move downwards, the first horizontal reed 41 is disconnected with the first lead 7 and the second lead 8, the second horizontal reed 51 is in contact with the first lead 7 and the third lead 9, at the moment, signals enter the switch from the first lead 7 and are led out from the third lead 9, and the power supply line 33 returns to the initial position under the action of a reset spring 61 after being powered off.
The switch has the advantages that: the switch adopts a solenoid type electromagnetic conversion system structure, the magnetic energy of the coil 3 is fully utilized due to small magnetic leakage, and the structural size of the electromagnetic conversion system is reduced; the electromagnetic coil 3 is directly controlled by adopting the wiring terminal, so that a rectangular connector with larger volume and a printed circuit board circuit are avoided; in addition, the adopted non-standard high-frequency terminal (phi 0.45mm) and the binding post can be welded on the micro-strip circuit board, thereby realizing the integrated design of the microwave switch. In conclusion, the switch overcomes the defects of the prior art and has the advantages of compact structure and miniaturization.
Claims (2)
1. A surface-mounted coaxial microwave switch is characterized in that: comprises a packaging shell, a first cavity, a second cavity and a third cavity which are arranged up and down are arranged in the shell, the first cavity is communicated with the second cavity, a coil with a vertical trend and an iron core matched with the coil are arranged in the first cavity, two power supply lines of the coil penetrate out of the shell, the lower side of the iron core exceeds the coil and is provided with a horizontal push plate, a first push rod and a second push rod which are arranged left and right are arranged in the front-back middle part of the second cavity, the length directions of the first push rod and the second push rod are vertical, the upper sides of the first push rod and the second push rod are parallel and level and are respectively abutted against the lower side of the push plate, a first through hole and a second through hole which are matched with the first push rod and the second push rod and are communicated with the second cavity and the third cavity are respectively arranged at the positions corresponding to the first push rod and the second push rod on the lower side of the second cavity, the, reset springs are sleeved on the upper portions of the first push rod and the second push rod, bosses which are arranged in the circumferential direction are arranged on the upper sides of the first push rod and the second push rod, the upper side of each reset spring is abutted against the lower side of the corresponding boss, the lower side of each reset spring is abutted against the lower side of the second chamber, a first lead which moves forward and backward is arranged in the middle of the left and right directions of the third chamber, the first lead penetrates out of the shell from the front side, a second lead and a third lead which move forward and backward are respectively arranged on the left portion and the right portion of the third chamber, the second lead and the third lead penetrate out of the shell from the rear side, the first lead, the second lead and the third lead are provided with overlapped regions along the middle portions in the forward and backward directions, the central axes of the first lead, the second lead and the third lead share a horizontal plane, a first horizontal reed is arranged on the lower side of the first push rod, the first horizontal reed is positioned below the first lead and the second lead, And a second horizontal reed is arranged on the lower side of the second push rod and positioned above the first lead and the third lead and covers the first lead and the third lead in a left-right direction.
2. A surface mount coaxial microwave switch according to claim 1, wherein: the specifications of the first lead, the second lead and the third lead are all phi 0.45 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911174667.2A CN110854480B (en) | 2019-11-26 | 2019-11-26 | Surface-mounted coaxial microwave switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911174667.2A CN110854480B (en) | 2019-11-26 | 2019-11-26 | Surface-mounted coaxial microwave switch |
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| CN110854480A true CN110854480A (en) | 2020-02-28 |
| CN110854480B CN110854480B (en) | 2024-04-30 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1210481A (en) * | 1969-01-03 | 1970-10-28 | Elektromat Veb | Device for shaping the coil ends of stators of dynamo-electrical machines |
| CN104183423A (en) * | 2014-08-13 | 2014-12-03 | 中国电子科技集团公司第四十一研究所 | Miniaturized high-frequency single-pole six-throw coaxial mechanical and electrical switch |
| CN105244231A (en) * | 2015-11-04 | 2016-01-13 | 中国电子科技集团公司第四十研究所 | Single-pole triple-throw N-type high-frequency high-power RF coaxial relay |
| CN207052480U (en) * | 2017-08-04 | 2018-02-27 | 深圳京茂磊通信科技有限公司 | A kind of magnetic keeps the coaxial electric mechanical switch of single-pole double-throw radio frequency |
| CN107946020A (en) * | 2017-12-20 | 2018-04-20 | 中国电子科技集团公司第四十研究所 | A kind of DC electromagnet working status feedback device |
| CN108511267A (en) * | 2018-05-23 | 2018-09-07 | 中国电子科技集团公司第四十研究所 | A kind of six channel machine switch matrix of miniaturization |
| CN210516947U (en) * | 2019-11-26 | 2020-05-12 | 中国电子科技集团公司第四十研究所 | Surface-mounted coaxial microwave switch |
-
2019
- 2019-11-26 CN CN201911174667.2A patent/CN110854480B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1210481A (en) * | 1969-01-03 | 1970-10-28 | Elektromat Veb | Device for shaping the coil ends of stators of dynamo-electrical machines |
| CN104183423A (en) * | 2014-08-13 | 2014-12-03 | 中国电子科技集团公司第四十一研究所 | Miniaturized high-frequency single-pole six-throw coaxial mechanical and electrical switch |
| CN105244231A (en) * | 2015-11-04 | 2016-01-13 | 中国电子科技集团公司第四十研究所 | Single-pole triple-throw N-type high-frequency high-power RF coaxial relay |
| CN207052480U (en) * | 2017-08-04 | 2018-02-27 | 深圳京茂磊通信科技有限公司 | A kind of magnetic keeps the coaxial electric mechanical switch of single-pole double-throw radio frequency |
| CN107946020A (en) * | 2017-12-20 | 2018-04-20 | 中国电子科技集团公司第四十研究所 | A kind of DC electromagnet working status feedback device |
| CN108511267A (en) * | 2018-05-23 | 2018-09-07 | 中国电子科技集团公司第四十研究所 | A kind of six channel machine switch matrix of miniaturization |
| CN210516947U (en) * | 2019-11-26 | 2020-05-12 | 中国电子科技集团公司第四十研究所 | Surface-mounted coaxial microwave switch |
Non-Patent Citations (2)
| Title |
|---|
| 宋燕;董作典;李茹;唐旭;韩宝妮;: "干簧管常见失效模式与质量保证方案研究", 电子产品可靠性与环境试验, no. 02, 20 April 2019 (2019-04-20) * |
| 郑国龙;田亚伟;张庆鑫;苌群峰;张楚贤;: "67 GHz宽频段同轴微波开关微波特性的设计及验证", 空间电子技术, no. 06, 25 December 2017 (2017-12-25) * |
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| CN110854480B (en) | 2024-04-30 |
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