CN111799132A - High-power single-pole six-throw radio frequency coaxial relay - Google Patents
High-power single-pole six-throw radio frequency coaxial relay Download PDFInfo
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- CN111799132A CN111799132A CN202010688491.9A CN202010688491A CN111799132A CN 111799132 A CN111799132 A CN 111799132A CN 202010688491 A CN202010688491 A CN 202010688491A CN 111799132 A CN111799132 A CN 111799132A
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- 239000004020 conductor Substances 0.000 claims abstract description 69
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 66
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 44
- 239000012212 insulator Substances 0.000 claims description 25
- 244000273256 Phragmites communis Species 0.000 claims description 14
- 229910000906 Bronze Inorganic materials 0.000 claims description 6
- 229910052790 beryllium Inorganic materials 0.000 claims description 6
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000010974 bronze Substances 0.000 claims description 6
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000011810 insulating material Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000002500 effect on skin Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/021—Bases; Casings; Covers structurally combining a relay and an electronic component, e.g. varistor, RC circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/12—Ventilating; Cooling; Heating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/60—Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
- H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Near-Field Transmission Systems (AREA)
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Abstract
The invention discloses a high-power single-pole six-throw radio frequency coaxial relay, which comprises a cylindrical shell, a D-shaped connector connected to the top end of the shell, seven N-shaped radio frequency connectors connected to the bottom end of the shell, and a control circuit board, an electromagnetic system and a radio frequency system which are arranged in the shell, wherein the D-shaped connector is connected to the top end of the shell; the coil of the electromagnetic system is connected with the D-type connector through the control circuit board to provide excitation voltage to drive the radio frequency channel of the radio frequency system to be conducted, and when the coil of the electromagnetic system is powered off, namely is powered off, the radio frequency channel is turned off under the action of reset force. By improving the reducing design of the radio frequency reed and the heat dissipation structure of the inner conductor, the invention expands the working frequency range, improves the heat dissipation performance and enables the working frequency to be improved to 0.03-18GHz, thereby improving the average transmission power of radio frequency and increasing the engineering application range.
Description
Technical Field
The invention relates to the field of radio frequency coaxial relays, in particular to a high-power single-pole six-throw radio frequency coaxial relay.
Background
The highest working frequency of the existing N-type interface single-pole six-throw radio frequency coaxial relay is 0.03 GHz-12.4 GHz. The highest working frequency is determined by a radio frequency transmission channel, the radio frequency transmission channel consists of a circular coaxial transmission line and a rectangular coaxial transmission line, and the characteristic impedance of the whole transmission line is ensured to be 50 omega. The section of the circular coaxial transmission line is shown in figure 1, and in figure 1, D is the effective inner diameter of the outer conductor and is measured in millimeters (mm); d is the effective outer diameter of the inner conductor in millimeters (mm);ris the relative permittivity of the insulating medium; mu.srIs the relative permeability of the insulating medium. Calculating characteristic impedance, see formula (1):
(1) (ii) a Calculating the theoretical cut-off frequency, and obtaining the formula (2):
(2) (ii) a Wherein f isCCutoff frequency in hertz (GHz); lambda [ alpha ]CCutoff wavelength in millimeters (mm); c0The propagation speed of electromagnetic waves in free space, or light speed:
C0＝299792458±1.2m/s≈3×108m/s＝3×1011mm/s. The rectangular coaxial transmission line cross section is shown in fig. 2, and the characteristic impedance is calculated and shown in table 1.
TABLE 1 rectangular coaxial line characteristics
The maximum working frequency of the existing N-type interface radio frequency coaxial relay with single pole, six throws and more is 0.03 GHZ-12.4 GHz, and is determined according to the formula (1), the formula (2) and the table 1 from the aboveD、d、W、W’、t、b、r。
When radio frequency power is transmitted, a radio frequency signal passes through the circular coaxial line to the rectangular coaxial line and then to the circular coaxial line, a radio frequency reed in the rectangular coaxial line completes the switching function of the radio frequency signal, a hole needs to be drilled on the radio frequency reed, an insulating material passes through a radio frequency reed hole to drive the radio frequency reed to move up and down, due to skin effect, the cross section of an effective conductor is reduced, the resistance of the conductor is increased, and high heat is accumulated on the insulating material, so that the insulating material is burnt.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a high-power single-pole six-throw radio frequency coaxial relay, which expands the working frequency range, improves the heat dissipation performance, and enables the working frequency to be improved to 0.03-18GHz, thereby improving the average transmission power of radio frequency and increasing the engineering application range.
The technical scheme of the invention is as follows:
the high-power single-pole six-throw radio frequency coaxial relay comprises a cylindrical shell, a D-shaped connector connected to the top end of the shell, seven N-shaped radio frequency connectors connected to the bottom end of the shell, and a control circuit board, an electromagnetic system and a radio frequency system which are arranged in the shell;
the electromagnetic system comprises an upper yoke, a lower yoke, a screw rod connected between the upper yoke and the lower yoke, six iron cores arranged between the upper yoke and the lower yoke and a coil wound on each iron core, wherein each iron core comprises an upper iron core and a lower iron core, the upper iron core is positioned right above the lower iron core, the lower iron core is fixed on the lower yoke, a through hole which is communicated up and down is formed in the central axis of the lower iron core, a pushing shaft extending towards the direction of the lower iron core is fixed on the upper iron core, the pushing shaft sequentially penetrates through the through hole of the lower iron core and the lower yoke from top to bottom, and the coil of the electromagnetic system is connected with a D-shaped connector through a control circuit board to realize power supply;
the radio frequency system comprises a radio frequency cavity, six push rods, radio frequency reeds which are fixedly connected to each push rod and are in a long strip-shaped structure, seven outer conductors and seven inner conductors, wherein the radio frequency cavity is provided with six guide grooves with upward notches, each guide groove is internally provided with a spring and one push rod, two ends of each spring are respectively contacted with the bottoms of the guide groove bottoms and the bottom ends of the push rods, each push rod is coaxial with one pushing shaft of the electromagnetic system, each radio frequency reed is provided with a through hole, each horizontally arranged radio frequency reed is fixedly sleeved on the corresponding push rod through the through hole, the inner end of each radio frequency reed faces the shaft center of the radio frequency cavity, the radio frequency cavity is internally provided with a moving gap for the radio frequency reed to move up and down, the part of each radio frequency reed, which is positioned at the periphery of the through hole, is of a reducing structure, namely, two long edges of each radio frequency reed, the width of the radio frequency reed at the peripheral part of the through hole is larger than that of the radio frequency reed; the seven outer conductors are all connected to the bottom end of the radio frequency cavity, one outer conductor and the radio frequency cavity are coaxial, the other six outer conductors are positioned on the periphery of one outer conductor, a vertically through mounting hole is formed in each outer conductor, a tooth-shaped ring is fixed in each mounting hole, an insulator is fixed on the inner ring of each tooth-shaped ring, the top end of each inner conductor penetrates through the corresponding insulator from bottom to top and extends into the radio frequency cavity, the top ends of the other six inner conductors except the inner conductor positioned at the axial position face the outer end of the corresponding radio frequency reed, the inner ends of the six radio frequency reeds are positioned above the inner conductor positioned at the axial position, the inner ring of each tooth-shaped ring is of a gear ring structure, the outer ring of each insulator is of a gear ring structure, the insulator and the corresponding tooth-shaped ring are of a splined connection structure of meshing teeth, and the inner ring of each insulator is provided with straight kn, the outer wall of the part of the inner conductor sleeved in the insulator is of a straight-line knurled structure, and the inner conductor and the corresponding insulator are of a splined connection structure with straight-line knurls; and the coil of the electromagnetic system is electrified, the upper iron core drives the pushing shaft to move downwards, the pushing shaft pushes the push rods to move downwards, each push rod drives the corresponding radio frequency reed to move downwards, and the six radio frequency reeds are in contact connection with the corresponding inner conductor to conduct the radio frequency channel.
The control circuit board is connected with six remote controller magnetic switches, and coils of the six remote controller magnetic switches are connected with the D-type connector through the control circuit board to realize power supply.
The bottom end of an outer conductor of the radio frequency system is fixed on the upper end face of a flange plate at the bottom end of the shell, and a lower yoke of the electromagnetic system is fixedly connected to the top end of the radio frequency cavity.
The push rod of the radio frequency system comprises an upper push rod and a lower push rod, the top end of the lower push rod is provided with a loop bar extending upwards, the bottom end of the upper push rod is provided with a loop bar positioning groove, the through hole on the radio frequency reed is sleeved on the loop bar, the loop bar positioning groove of the upper push rod is sleeved on the loop bar, and the bottom end of the upper push rod is in contact with the upper end face of the radio frequency reed, so that the radio frequency reed is clamped between the upper push rod and the lower push rod.
The radio frequency cavity and the six radio frequency reeds form a rectangular coaxial transmission line, and air media are filled between the radio frequency cavity and the radio frequency reeds.
The outer conductor of the radio frequency system is an outer conductor with a nickel-plated brass surface, the inner conductor is an inner conductor with a beryllium bronze surface plated with hard gold, the radio frequency reed is a radio frequency reed with a beryllium bronze surface plated with hard gold, the tooth-shaped ring is a tooth-shaped ring with a silver-plated pure copper surface, the radio frequency cavity is a cavity with a nickel-plated aluminum alloy surface, and the push rod is a polytetrafluoroethylene push rod.
The invention has the advantages that:
(1) when a high-power radio-frequency signal is transmitted, the radio-frequency reed is provided with a through hole at the push rod, the effective conductor section is reduced and the conductor resistance is increased due to the skin effect, heat is gathered at the push rod, the push rod is made of non-metal materials and has poor heat resistance, and the push rod fails at the position when the high-power radio-frequency signal is transmitted. The transmission capability of high-power radio frequency signals is enhanced.
(2) When a high-power radio-frequency signal is transmitted, heat conduction is the main mode of heat transfer, and an insulator is in contact with the outside on the whole radio-frequency channel; the inner conductor and the corresponding insulator are in a spline connection structure with straight knurling, so that the contact area of the inner conductor and the corresponding insulator is increased, the insulator and the corresponding tooth-shaped ring are in a spline connection structure with meshing teeth, the contact area of the insulator and the corresponding tooth-shaped ring is increased, the purpose of fast heat dissipation is achieved, and the minimum radio frequency average power of the transmission channel is increased to be 12.4GHz (120W) and 18GHz (150W).
The working frequency of the invention is in the range of 0.03 GHZ-18 GHz, and the technical indexes reach: voltage standing wave ratio 1.6 (max); insertion loss: 0.65dB (max); isolation 60dB (min); the average power of radio frequency transmission reaches the requirement of minimum 18GHz (150W).
Drawings
Fig. 1 is a cross-sectional view of a circular coaxial transmission line.
Fig. 2 is a cross-sectional view of a rectangular coaxial transmission line.
Fig. 3 is a front view of the present invention.
Fig. 4 is a bottom view of the present invention.
Fig. 5 is a circuit connection diagram of the present invention.
FIG. 6 is a schematic diagram of the structure of an electromagnetic system of the present invention.
Fig. 7 is a schematic structural diagram of the radio frequency system of the present invention.
Fig. 8 is a schematic structural diagram of the rf reed of the present invention.
Fig. 9 is a schematic structural view of the toothed ring of the present invention.
Fig. 10 is a schematic view of the structure of the inner conductor of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 3 and 4, the high-power single-pole six-throw radio frequency coaxial relay includes a cylindrical housing 1, a D-type connector 2 connected to the top end of the housing 1, seven N-type radio frequency connectors 3 connected to the bottom end of the housing 1, and a control circuit board 4, an electromagnetic system 5 and a radio frequency system 6 arranged in the housing 1; the bottom end of an outer conductor of the radio frequency system 6 is fixed on the upper end surface of a flange 7 at the bottom end of the shell, and a lower yoke of the electromagnetic system 5 is fixedly connected to the top end of a radio frequency cavity of the radio frequency system 6;
referring to fig. 6, the electromagnetic system 5 includes an upper yoke 51, a lower yoke 52, a screw 53 connected between the upper yoke 51 and the lower yoke 52, six iron cores disposed between the upper yoke 51 and the lower yoke 52, and a coil 54 wound around each iron core, each iron core includes an upper iron core 55 and a lower iron core 56, the upper iron core 55 is located right above the lower iron core 56, the lower iron core 56 is fixed on the lower yoke 51, a through hole penetrating up and down is disposed at a central axis of the lower iron core 56, a pushing shaft 57 extending in a direction of the lower iron core is fixed on the upper iron core 55, the pushing shaft 57 sequentially penetrates through the through hole of the lower iron core 56 and the lower yoke 52 from top to bottom, and the coils 54 (i.e., coils L7-L12 in fig. 5) of the electromagnetic system are connected with corresponding terminals of the D-type connector 2 through the control circuit board 4 to realize power supply;
referring to fig. 7-10, the radio frequency system 6 includes a radio frequency cavity 61, six push rods, a radio frequency reed 62 fixedly connected to each push rod and having a strip-shaped structure, seven outer conductors 63, and seven inner conductors 64, the radio frequency cavity 61 is provided with six guide grooves with upward notches, each guide groove is provided with a spring 65 and a push rod, two ends of the spring are respectively contacted with the bottom of the guide groove and the bottom of the push rod, each push rod is coaxial with a push shaft 57 of the electromagnetic system, each radio frequency reed 62 is provided with a through hole, the push rod includes an upper push rod 66 and a lower push rod 67, the top of the lower push rod 67 is provided with an upwardly extending loop bar, the bottom of the upper push rod 66 is provided with a loop bar positioning groove, the through hole 68 on the radio frequency reed 62 is sleeved on the loop bar, the loop bar positioning groove of the upper push rod 66 is sleeved on the loop bar, and the bottom of the upper push rod 66 is contacted with the upper end surface of the radio frequency reed 62 so as to, the inner end of each radio frequency reed 62 faces the axis of the radio frequency cavity 61, a moving gap for the radio frequency reed 62 to move up and down is arranged in the radio frequency cavity 61, the part of each radio frequency reed 62, which is positioned at the periphery of the through hole 68, is of a variable diameter structure, namely two long sides of the part of each radio frequency reed 62, which is positioned at the periphery of the through hole 68, are provided with symmetrical arc-shaped protruding structures 69, so that the width of the part of the radio frequency reed 62, which is positioned at the periphery of the through hole 68; seven outer conductors 63 are connected to the bottom end of the radio frequency cavity 61, one of the outer conductors 63 is coaxial with the radio frequency cavity 61, the other six outer conductors 63 are located on the periphery of one of the outer conductors 63, each outer conductor 63 is internally provided with a vertically through mounting hole, each mounting hole is internally fixed with a toothed ring 610, the inner ring of each toothed ring 610 is fixed with an insulator 611, the top end of each inner conductor 64 penetrates through the corresponding insulator 611 from bottom to top and extends into the radio frequency cavity 61, the top ends of the other six inner conductors 64 except the inner conductor 64 located at the axial position face the outer end of the corresponding radio frequency reed 62, the inner ends of the six radio frequency reeds 62 are located above the inner conductor 64 at the axial position, the gear ring structure 612 is arranged on each toothed ring 610, the outer ring of each inner conductor 611 is arranged on the gear ring structure, the insulator 611 and the corresponding toothed ring 610 are in a spline connection structure with meshing teeth, the inner ring of each insulator 611 is provided with straight knurls, the outer wall of the part, sleeved in the insulator, of the inner conductor 64 is of a straight knurl structure 613, and the inner conductor 64 and the corresponding insulator 611 are of a spline connection structure of the straight knurls; the radio frequency cavity 61 and the six radio frequency reeds 62 form a rectangular coaxial transmission line, and air media are filled between the radio frequency cavity 61 and the radio frequency reeds 62; an outer conductor 63 of the radio frequency system is an outer conductor with a nickel-plated brass surface, an inner conductor 64 is an inner conductor with a beryllium bronze surface plated with hard gold, a radio frequency reed 62 is a radio frequency reed with a beryllium bronze surface plated with hard gold, a tooth-shaped ring 610 is a tooth-shaped ring with a pure copper surface plated with silver, a radio frequency cavity 61 is a cavity with a nickel-plated aluminum alloy surface, and an upper push rod 66 and a lower push rod 67 are both polytetrafluoroethylene push rods.
Referring to fig. 6-10, when the coil 54 of the electromagnetic system is powered on, the lower iron core 56 generates a suction force on the upper iron core 55, the magnitude of the suction force increases with the increase of the voltage of the coil 54, when the suction force is greater than the mechanical reaction force, the upper iron core 55 drives the pushing shaft 57 to move towards the lower iron core 56, the voltage of the coil 54 decreases, the suction force decreases, and when the suction force is less than the mechanical reaction force, the pushing shaft 57 drives the upper iron core 55 to reset. The electromagnetic attraction force is calculated by the following formulas (3) and (4):
wherein, F-electromagnetic attraction force, B0Air gap magnetic induction, μ0-vacuum permeability, S-pole shoe area, I-coil current, N-coil turns, -air gap length;
when the upper iron core 55 drives the pushing shaft 57 to move downwards, the pushing shaft 57 pushes the pushing rods to move downwards, each pushing rod drives the corresponding radio frequency reed 62 to move downwards, and the six radio frequency reeds 62 are in contact connection with the corresponding inner conductor 64 to conduct a radio frequency channel; spring 65 is deformed by pressure, and when coil 54 is de-energized, the restoring force of spring 65 pushes the push rod, which brings rf reed 62 back to the original state, separating from inner conductor 64.
Six remote controller magnetic switches 8 (namely switches S1-S6 in fig. 5) are connected to the control circuit board, and coils (namely coils L1-L6 in fig. 5) of the six remote controller magnetic switches 8 are connected with terminals corresponding to the D-type connector 3 through the control circuit board to realize power supply.
Referring to fig. 5, when 28V excitation voltage is applied to the terminals 1 and 7 of the D-type connector, power is supplied to the coil L7 of the electromagnetic system 5 and the coil L1 of the magnetic switch 8 of the remote controller, so as to drive the radio frequency channel of the J1 and the magnetic switch 8 of the remote controller to be turned on, and when the D-type connector is de-excited, the radio frequency channel of the J1 and the magnetic switch 8 of the remote controller are simultaneously turned off under the restoring force of the spring 65 and the restoring force of the reed, and the other channels are the same. JC is a public end, the diode V7 has the reverse polarity protection function, and the diodes V1-V6 have the coil reverse peak suppression function.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. High-power single-pole six throw radio frequency coaxial relay, its characterized in that: the electromagnetic radio frequency connector comprises a cylindrical shell, a D-shaped connector connected to the top end of the shell, seven N-shaped radio frequency connectors connected to the bottom end of the shell, and a control circuit board, an electromagnetic system and a radio frequency system which are arranged in the shell;
the electromagnetic system comprises an upper yoke, a lower yoke, a screw rod connected between the upper yoke and the lower yoke, six iron cores arranged between the upper yoke and the lower yoke and a coil wound on each iron core, wherein each iron core comprises an upper iron core and a lower iron core, the upper iron core is positioned right above the lower iron core, the lower iron core is fixed on the lower yoke, a through hole which is communicated up and down is formed in the central axis of the lower iron core, a pushing shaft extending towards the direction of the lower iron core is fixed on the upper iron core, the pushing shaft sequentially penetrates through the through hole of the lower iron core and the lower yoke from top to bottom, and the coil of the electromagnetic system is connected with a D-shaped connector through a control circuit board to realize power supply;
the radio frequency system comprises a radio frequency cavity, six push rods, radio frequency reeds which are fixedly connected to each push rod and are in a long strip-shaped structure, seven outer conductors and seven inner conductors, wherein the radio frequency cavity is provided with six guide grooves with upward notches, each guide groove is internally provided with a spring and one push rod, two ends of each spring are respectively contacted with the bottoms of the guide groove bottoms and the bottom ends of the push rods, each push rod is coaxial with one pushing shaft of the electromagnetic system, each radio frequency reed is provided with a through hole, each horizontally arranged radio frequency reed is fixedly sleeved on the corresponding push rod through the through hole, the inner end of each radio frequency reed faces the shaft center of the radio frequency cavity, the radio frequency cavity is internally provided with a moving gap for the radio frequency reed to move up and down, the part of each radio frequency reed, which is positioned at the periphery of the through hole, is of a reducing structure, namely, two long edges of each radio frequency reed, the width of the radio frequency reed at the peripheral part of the through hole is larger than that of the radio frequency reed; the seven outer conductors are all connected to the bottom end of the radio frequency cavity, one outer conductor and the radio frequency cavity are coaxial, the other six outer conductors are positioned on the periphery of one outer conductor, a vertically through mounting hole is formed in each outer conductor, a tooth-shaped ring is fixed in each mounting hole, an insulator is fixed on the inner ring of each tooth-shaped ring, the top end of each inner conductor penetrates through the corresponding insulator from bottom to top and extends into the radio frequency cavity, the top ends of the other six inner conductors except the inner conductor positioned at the axial position face the outer end of the corresponding radio frequency reed, the inner ends of the six radio frequency reeds are positioned above the inner conductor positioned at the axial position, the inner ring of each tooth-shaped ring is of a gear ring structure, the outer ring of each insulator is of a gear ring structure, the insulator and the corresponding tooth-shaped ring are of a splined connection structure of meshing teeth, and the inner ring of each insulator is provided with straight kn, the outer wall of the part of the inner conductor sleeved in the insulator is of a straight-line knurled structure, and the inner conductor and the corresponding insulator are of a splined connection structure with straight-line knurls; and the coil of the electromagnetic system is electrified, the upper iron core drives the pushing shaft to move downwards, the pushing shaft pushes the push rods to move downwards, each push rod drives the corresponding radio frequency reed to move downwards, and the six radio frequency reeds are in contact connection with the corresponding inner conductor to conduct the radio frequency channel.
2. The high-power single-pole six-throw radio frequency coaxial relay of claim 1, wherein: the control circuit board is connected with six remote controller magnetic switches, and coils of the six remote controller magnetic switches are connected with the D-type connector through the control circuit board to realize power supply.
3. The high-power single-pole six-throw radio frequency coaxial relay of claim 1, wherein: the bottom end of an outer conductor of the radio frequency system is fixed on the upper end face of a flange plate at the bottom end of the shell, and a lower yoke of the electromagnetic system is fixedly connected to the top end of the radio frequency cavity.
4. The high-power single-pole six-throw radio frequency coaxial relay of claim 1, wherein: the push rod of the radio frequency system comprises an upper push rod and a lower push rod, the top end of the lower push rod is provided with a loop bar extending upwards, the bottom end of the upper push rod is provided with a loop bar positioning groove, the through hole on the radio frequency reed is sleeved on the loop bar, the loop bar positioning groove of the upper push rod is sleeved on the loop bar, and the bottom end of the upper push rod is in contact with the upper end face of the radio frequency reed, so that the radio frequency reed is clamped between the upper push rod and the lower push rod.
5. The high-power single-pole six-throw radio frequency coaxial relay of claim 1, wherein: the radio frequency cavity and the six radio frequency reeds form a rectangular coaxial transmission line, and air media are filled between the radio frequency cavity and the radio frequency reeds.
6. The high-power single-pole six-throw radio frequency coaxial relay of claim 1, wherein: the outer conductor of the radio frequency system is an outer conductor with a nickel-plated brass surface, the inner conductor is an inner conductor with a beryllium bronze surface plated with hard gold, the radio frequency reed is a radio frequency reed with a beryllium bronze surface plated with hard gold, the tooth-shaped ring is a tooth-shaped ring with a silver-plated pure copper surface, the radio frequency cavity is a cavity with a nickel-plated aluminum alloy surface, and the push rod is a polytetrafluoroethylene push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010688491.9A CN111799132B (en) | 2020-07-16 | 2020-07-16 | High-power single-pole six-throw radio frequency coaxial relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010688491.9A CN111799132B (en) | 2020-07-16 | 2020-07-16 | High-power single-pole six-throw radio frequency coaxial relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111799132A true CN111799132A (en) | 2020-10-20 |
| CN111799132B CN111799132B (en) | 2024-06-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113496826A (en) * | 2021-06-25 | 2021-10-12 | 中国电子科技集团公司第四十研究所 | High-power single-pole double-throw microwave switch with L29 interface |
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| CN113496826A (en) * | 2021-06-25 | 2021-10-12 | 中国电子科技集团公司第四十研究所 | High-power single-pole double-throw microwave switch with L29 interface |
| CN113496826B (en) * | 2021-06-25 | 2024-06-07 | 中国电子科技集团公司第四十研究所 | L29 interface high-power single-pole double-throw microwave switch |
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| CN111799132B (en) | 2024-06-07 |
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