CN101673860B - Balanced radio frequency relay - Google Patents
Balanced radio frequency relay Download PDFInfo
- Publication number
- CN101673860B CN101673860B CN2009100242052A CN200910024205A CN101673860B CN 101673860 B CN101673860 B CN 101673860B CN 2009100242052 A CN2009100242052 A CN 2009100242052A CN 200910024205 A CN200910024205 A CN 200910024205A CN 101673860 B CN101673860 B CN 101673860B
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- radio frequency
- balanced
- case
- control
- frequency relay
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The invention relates to a balanced radio frequency relay. A partition plate (4) is arranged in a shell (1) to divide the balanced radio frequency relay into a left signal partition chamber (5) and a right signal partition chamber (6) which are mutually symmetrical, and contactor units (2) are symmetrically arranged in the left signal partition chamber (5) and the right signal partition chamber (6); four lead pins (8) are symmetrically fixed on the outer walls at the front end and the rear end of the shell (1) in an insulating way, and the four lead pins (8) are fixedly connected with four leading-out ends of the contactor units (2) respectively by metal guide belts (7); a control port (9) of a control unit (3) is fixed on the outer wall of the shell (1), and the control port (9) is respectively connected with the control ends of the contactor units (2). A relay contact system with a unique balanced double-line structure has favorable partition and separation performance of current and voltage and maintains the radio frequency power transmission performance of a balanced transmission line at maximum, thereby realizing the automatic switching control of the balanced transmission line.
Description
Technical field
The present invention relates to a kind of balanced radio frequency relay.
Background technology
Existing radio-frequency electromagnetic relay is the RF coaxial relay; This relay is because its project organization is limit the automatic switch control that only is applicable to uneven radio-frequency transmission line (between transmission line two conductors and the ground impedance different, transmission medium is mainly coaxial cable).(impedance phase together between transmission line two conductors and the ground for balanced transmission line; Transmission medium is mainly twisted pair wire) owing to have unique superior property; Be one of high-power RF transmission system of using always, and present radio-frequency relay all is a unbalanced construction, because balanced transmission line can not directly be connected with unbalanced line; Must could realize interconnection through impedance transformer; Make the automatic switch control of balanced transmission line become very inconvenient, especially can realize hardly, therefore need a kind of radio-frequency relay to realize the automatic switch control of balanced transmission line with balance contact structure for the high power transmission system.
Summary of the invention
The technical problem that the present invention solves: design a kind of balanced radio frequency relay, realize the automatic switch control of balanced transmission line.
Mentality of designing of the present invention:
1, contact system adopts and to have the double-pole single-throw (D.P.S.T.) balanced cable structure of predetermined characteristic impedance, makes between two paths of contact system to have uniform characteristic impedance, to obtain good contact transmission performance.
2, every group of contact design is double break point series bridge structure, the requirement of each via design of balance two-wire to be the series connection of two groups of contacts when satisfying the high-power RF signaling switch between the input and output of contact high withstand voltage and high-isolation.
3, design dielectric isolation wall between the input of between two balance channel and the contact of bolt arrangement, the output; Not only improved insulating reliability between two balance channel and withstand voltage; Can change simultaneously the characteristic impedance of balance contact system through the dielectric material of conversion differing dielectric constant, to satisfy the requirement of different qualities impedance with a kind of basic structure.
4, utilize armoring solenoid solenoid actuated contact system contact to cut-off with screening can; Adopt coaxial cable to connect lead-in wire as the coil control end simultaneously, the strong-electromagnetic field of having eliminated the high-power RF signal of contact system produces in coil and in the coil control system and disturbs the hidden danger that causes coil and control system to burn.
5, the relay monolithic case is designed to metal structure; The high-power RF signal leakage of contact system is inhibited; Balance binding post panel designs is the dielectric panel; So that relay contact all has matched impedance and has very little insertion loss under balanced cable all working pattern, solved the problem that metal decking impedance under some pattern does not match and causes the insertion loss to increase.
Technical solution of the present invention: a kind of balanced radio frequency relay; Comprise case (1), contact unit (2), control unit (3); Be provided with insulation division board (4) in the case (1), it is divided into symmetrical left signal isolation ward (5) and right signal isolation ward (6), left signal isolation ward (5) and the interior symmetry of right signal isolation ward (6) are equipped with contact unit (2); The symmetry insulation is fixed with 4 terminal pins (8) on the front and back end outer wall of case (1), and 4 terminal pins (8) are fixedly connected with 4 exits of contact unit (2) respectively through metal conduction band (7); The control port (9) of control unit (3) is fixed on the outer wall of case (1), and control port (9) is connected with the control end of contact unit (2) respectively.
Said contact unit (2) is in series by two electromagnetic contactors (10), and control port (9) is connected with the control end of 4 electromagnetic contactors (10) respectively through coaxial cable (11).
Said terminal pin (8) is fixed on the centre bore of insulator (14), and insulator (14) is fixed on the front and back end outer wall of case (1).
Be provided with insulation spacing block (12) on the outer wall of said case (1) front and back end between adjacent the terminal pin (8).
Insulating trip (13) is equipped with in the inboard of said case (1) front and back end, and contact unit (2) is positioned between the insulating trip (13).
Said electromagnetic contactor (10) is armoring solenoid electromagnetic contactor.
Advantage that the present invention compared with prior art has and effect:
1, the present invention adopts independent control unit; Make each unit be easier to individual screen; Improved the shielding properties and the reliability of coil, each unit independent operation has improved the reliability that the high power transmission system line breaks off simultaneously, thus the fail safe that has improved system.
2, the present invention has designed unique relay contact system with balance double structure; This structure unites two into one contacts of contactor structural design and balanced cable structure-design technique; Make relay contact system not only have good electric current, voltage disjunction and isolation performance, farthest kept the radio-frequency power transmission performance of balanced transmission line simultaneously.
3, the design of contact system of the present invention and balance binding post divider wall; Not only improved the high-power RF safety of transmission; Simultaneously under the constant situation of project organization, only material through changing divider wall or size are with regard to convertible its characteristic impedance, to satisfy the requirement of different application systems.
4, balance binding post of the present invention is fixed on the insulator panel, and this structure can make relay contact system be operated in to keep good radio-frequency performance under all working pattern of balanced transmission line.
5, the present invention is designed to the metallic shield shell, can effectively suppress high-power RF signal leakage, can play contact system and the extraneous effect that shields again.
6, control unit of the present invention adopts bridge architecture, utilizes the advantage of contact double break point pair air gaps, has effectively improved isolation and insulation, withstand voltage properties between input and output.
Description of drawings
Fig. 1 is an outline drawing of the present invention, and Fig. 2 is an internal structure sketch map of the present invention, and Fig. 3 is the structural representation of case of the present invention, and Fig. 4 is the outline drawing of electromagnetic contactor of the present invention, and Fig. 5 is the structural representation of control unit of the present invention.
Embodiment:
In conjunction with accompanying drawing 1,2,3,4,5 a kind of embodiment of the present invention is described.
A kind of balanced radio frequency relay; Be provided with insulation division board 4 in its case 1 it is divided into symmetrical left signal isolation ward 5 and right signal isolation ward 6; Left signal isolation ward 5 is equipped with contact unit 2 with right signal isolation ward 6 interior symmetries, and contact unit 2 is in series by two armoring solenoid electromagnetic contactors 10.The symmetry insulation is fixed with 4 balance binding posts of 4 terminal pins, 8 formations on the front and back end outer wall of case 1; And 4 terminal pins 8 are fixedly connected the signal transmission passage of two balance channel about formation with 4 exits of contact unit 2 respectively through metal conduction band 7.Said terminal pin 8 is fixed on the centre bore of insulator 14, and insulator 14 is fixed on the front and back end outer wall of case 1.Every group of contact of said armoring solenoid electromagnetic contactor 10 is double break point series bridge structure, the requirement of each path to be the series connection of two groups of contacts when satisfying the high-power RF signaling switch between the input and output of contact high withstand voltage and high-isolation.
The control port 9 of control unit 3 is fixed on the right-hand member outer wall of case 1, and control port 9 is connected with 16 control ends of 4 electromagnetic contactors 10 respectively through coaxial cable 11, adopts double break point pair air gaps to control cut-offfing of two balance channel signal transmission passages.
Be provided with insulation spacing block 12 on the case 1 front and back end outer wall between adjacent 2 terminal pins 8.Insulating trip 13 is equipped with in the inboard of case 1 front and back end, makes contact unit 2 between insulating trip 13.The divider wall that insulation division board 4, insulation spacing block 12 and insulating trip 13 form has not only improved the high-power RF safety of transmission; Simultaneously under the constant situation of project organization; Only material through changing divider wall or size are with regard to convertible its characteristic impedance, to satisfy the requirement of different application systems.
Operation principle: with the balanced transmission line twisted pair wire be connected on 4 terminal pins 8 form about the signal transmission passage of two balance channel; When control port 9 applies excitation; The armoring solenoid electromagnetic contactor 10 of contact unit 2 will encourage the signal of telecommunication to be converted into electromagnetic force; Under the impetus of electromagnetic force, make the closing of contact of armoring solenoid electromagnetic contactor 10, about the signal transmission passage conducting of two balance channel.When control port 9 is cancelled when excitation, the armoring solenoid electromagnetic contactor 10 of contact unit 2 resets under the effect of self spring force, and the contact of armoring solenoid electromagnetic contactor 10 is broken off, about the signal transmission passage of two balance channel break off.Thereby realize the control signal path cut-off.
Claims (6)
1. balanced radio frequency relay; Comprise case (1), contact unit (2), control unit (3); It is characterized in that: be provided with insulation division board (4) in the case (1) it is divided into symmetrical left signal isolation ward (5) and right signal isolation ward (6), left signal isolation ward (5) and the interior symmetry of right signal isolation ward (6) are equipped with contact unit (2); The symmetry insulation is fixed with 4 terminal pins (8) on the front and back end outer wall of case (1), and 4 terminal pins (8) are fixedly connected with 4 exits of contact unit (2) respectively through metal conduction band (7); The control port (9) of control unit (3) is fixed on the outer wall of case (1), and control port (9) is connected with the control end of contact unit (2) respectively.
2. a kind of balanced radio frequency relay according to claim 1; It is characterized in that: said contact unit (2) is in series by two electromagnetic contactors (10), and control port (9) is connected with the control end of 4 electromagnetic contactors (10) respectively through coaxial cable (11).
3. a kind of balanced radio frequency relay according to claim 1 is characterized in that: said terminal pin (8) is fixed on the centre bore of insulator (14), and insulator (14) is fixed on the front and back end outer wall of case (1).
4. a kind of balanced radio frequency relay according to claim 2 is characterized in that: said electromagnetic contactor (10) is armoring solenoid electromagnetic contactor.
5. according to claim 1 or 2 or 3 or 4 described a kind of balanced radio frequency relays, it is characterized in that: be provided with insulation spacing block (12) on the outer wall of said case (1) front and back end between adjacent two terminal pins (8).
6. a kind of balanced radio frequency relay according to claim 5 is characterized in that: insulating trip (13) is equipped with in the inboard of said case (1) front and back end, and contact unit (2) is positioned between the insulating trip (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100242052A CN101673860B (en) | 2009-09-17 | 2009-09-17 | Balanced radio frequency relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100242052A CN101673860B (en) | 2009-09-17 | 2009-09-17 | Balanced radio frequency relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101673860A CN101673860A (en) | 2010-03-17 |
| CN101673860B true CN101673860B (en) | 2012-11-07 |
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ID=42020937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100242052A Expired - Fee Related CN101673860B (en) | 2009-09-17 | 2009-09-17 | Balanced radio frequency relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101673860B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581043A (en) * | 2019-09-06 | 2019-12-17 | 陕西群力电工有限责任公司 | Sealed strip output radio frequency relay |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274963A (en) * | 1999-04-23 | 2000-11-29 | 松下电工株式会社 | Coaxial relay |
| CN1988245A (en) * | 2005-12-20 | 2007-06-27 | 松下电工株式会社 | High frequency relay and television tuner using the same |
-
2009
- 2009-09-17 CN CN2009100242052A patent/CN101673860B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1274963A (en) * | 1999-04-23 | 2000-11-29 | 松下电工株式会社 | Coaxial relay |
| CN1988245A (en) * | 2005-12-20 | 2007-06-27 | 松下电工株式会社 | High frequency relay and television tuner using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101673860A (en) | 2010-03-17 |
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Granted publication date: 20121107 Termination date: 20150917 |
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| EXPY | Termination of patent right or utility model |