CN201278332Y - Single-knife dual-close large power coaxial relay - Google Patents
Single-knife dual-close large power coaxial relay Download PDFInfo
- Publication number
- CN201278332Y CN201278332Y CNU2008202217785U CN200820221778U CN201278332Y CN 201278332 Y CN201278332 Y CN 201278332Y CN U2008202217785 U CNU2008202217785 U CN U2008202217785U CN 200820221778 U CN200820221778 U CN 200820221778U CN 201278332 Y CN201278332 Y CN 201278332Y
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- fixed
- contact
- armature
- cover plate
- spring
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Abstract
The utility model relates to a single-blade double-throw large-power coaxial relay. An electromagnetic system (1) is fixed on a contact system (3) through upright posts (4). An armature iron part (2) is arranged on a cover plate (5) of the contact system (3), and is positioned below the electromagnetic system (1). A closed hood (6) is fixed above the contact system (3); and the electromagnetic system (1), the armature iron part (2) and the cover plate (5) are all positioned in the closed hood (6). The utility model drives the armature iron part arranged on the cover plate of the contact system to rotate through the action of the electromagnetic system and to push the pushing rod of the contact system. A movable contact spring freely moves to complete contact conversion along the depth direction of a cavity through the action of the pushing rod and a resetting spring. The utility model can work from direct current to micro-wave frequency band, has lower insertion loss and larger transmission capability of radio frequency power of more than 3KW, and is suitable for occasions with high band width, low loss and large power.
Description
Technical field
The utility model relates to a kind of single-knife dual-close large power coaxial relay.
Background technology
Existing coaxial relay radio-frequency power transmission capacity maximum is no more than 3KW, and more jumbo coaxial relay generally adopts motor driven, and electric motor driven coaxial relay action (operation) time reaches the above even longer time of 1S.In the market still the attonity time only be tens or the hundreds of millisecond and have magnetic to keep (self-locking) function, radio frequency interface be that high-power coaxial connector, radio-frequency power transmission capacity can reach tens of kilowatts even higher, the large power coaxial relay product of contact bandwidth from the direct current to the maximum operating frequency.
Summary of the invention
The technical problem that the utility model solves: design a kind of single-knife dual-close large power coaxial relay, its electromagnetic system adopts twin coil magnetic to keep structure, in the middle of two coils the balanced rotary electromagnetic system that permanent-magnet steel forms two lateral coil symmetries is housed, is fixed on the contact system by column; The electromagnetic field and the magnet steel magnetic field armature of acting in conjunction drive installation on the contact system cover plate that produce by coil stimulating partly rotate, and armature promotes the push rod of contact system by actuating spring; The fixed contact of contact system and movable contact spring are enclosed in and present the band line structure in the cavity, and movable contact spring moves freely in the effect lower edge of push rod and return spring cavity depth direction and finishes the contact conversion.
Technical solution of the present utility model: a kind of single-knife dual-close large power coaxial relay, comprise electromagnetic system (1), armature part (2) and contact system (3), electromagnetic system (1) is fixed on the contact system (3) by column (4), armature part (2) is arranged on the cover plate (5) of contact system (3), be positioned at the below of electromagnetic system (1), seal bootr (6) is fixed on the top of contact system (3), and electromagnetic system (1), armature part (2) and cover plate (5) all are positioned at seal bootr (6).
Described electromagnetic system (1) by about unshakable in one's determination (7,8), coil (9,10), magnetic conductor (11), support (12), magnet steel (13) and reinforcing prop (14) constitute; About coil (9,10) is wrapped in respectively on unshakable in one's determination (7,8), about the upper end of (7,8) unshakable in one's determination be fixed on the magnetic conductor (11), the lower end is fixed on the support (12); Magnet steel (13) is positioned between the coil (9,10), and the upper end is fixed on the magnetic conductor (11), and the lower end is fixed on the support (12); Reinforcing prop (14) is clamped in the both sides of magnet steel (13), and its upper end is fixed on the magnetic conductor (11), and the lower end is fixed on the support (12); Magnetic conductor (11) and support (12) are fixed on the cover plate (5) of contact system (3) by four root posts (4).
Described armature part (2) is made up of V-arrangement armature (15), armature bracket (16) and actuating spring (17), armature bracket (16) is fixed on the cover plate (5) of contact system (3), V-arrangement armature (15) is hinged on the armature bracket (16), and actuating spring (17) is fixed on the below of V-arrangement armature (15).
Described contact system (3) is made of cover plate (5), cavity (18), coaxial connector (19), fixed contact assembly (20), liner (21), push rod (22), spring (23), port lid (24) and movable contact spring (25); Coaxial connector (19) is inserted into the below of cavity (18) and makes its inner core be positioned at cavity (18), liner (21) is fixed on cavity (18) inner face, fixed contact assembly (20) is fixed on the inner of coaxial connector (19) and is positioned on the liner (21), the upper end of push rod (22) is positioned at the below of actuating spring (17), the lower end is inserted in the location hole (26) on the cavity (18), movable contact spring (25) is fixed on the middle part of push rod (22) and is positioned on the fixed contact assembly (20), the lower end of push rod (22) is set with spring (23), and spring (23) is arranged in location hole (26), the lower port of location hole (26) is equipped with port lid (24), and cover plate (5) is equipped with in the upper end of cavity (18).
The below of described cavity (18) is fitted with three coaxial connectors (19), be shaped on two location holes (26), and location hole (26) is positioned between the coaxial connector (19), the upper end of two push rods (22) lays respectively at the below at actuating spring (17) two ends, and the lower end is inserted into respectively in two location holes (26).
Advantage that the utility model compared with prior art has and effect:
1, the utility model can be operated in direct current to microwave frequency band, has the above radio-frequency power transmittability of very low insertion loss and 3KW, and the radio-frequency power transmission capacity can reach tens of kilowatts even higher, is applicable to high bandwidth, low-loss, powerful occasion.
2, the fixed contact of the utility model contact system and movable contact spring are enclosed in and present the band line structure in the cavity, not only have high bandwidth and good radio-frequency performance and coaxial system advantage easy to use, and the low-and high-frequency circuit isolates fully, eliminated the high-power RF signal and has been coupled to hidden danger in the control circuit.
3, the utility model adopts the special magnetic of structure to keep electromagnetic system, this electromagnetic system uses pulse excitation as relay actuator, not only save the energy and had the state self-locking, the more important thing is and eliminated the coil inefficacy that the long-term heating power of high-power operating mechanism coil may cause, also avoided high-power RF power that control circuit is caused interference, only have tens simultaneously the operate time of this electromagnetic system to the hundreds of millisecond, operate time is much smaller than present electric motor operating mechanism.
4, the utility model electromagnetic system is installed on the contact system by four root posts, but the simplifying relay structure, is easy to adjust assembly precision.
5, the utility model electromagnetic system adopts support that iron core is connected with magnet steel, effectively improves the structural strength of electromagnetic system.
6, the structural design of the utility model contact system inside cavity has not only kept band line structure good radio-frequency performance fully, and has effectively improved withstand voltage between internal and external conductor, is dwindling the relay volume under equal power condition.
7, the utility model return spring can be changed from the relay outside, has improved maintenanceability.
Description of drawings
Fig. 1 is an outline drawing of the present utility model,
Fig. 2 is a structural representation of the present utility model,
Fig. 3 is the structural representation of the utility model electromagnetic system
Fig. 4 is the structure cutaway view of the utility model armature part and contact system.
Embodiment:
1,2,3,4 a kind of embodiment of the present utility model is described in conjunction with the accompanying drawings.
A kind of single-knife dual-close large power coaxial relay, comprise electromagnetic system (1), armature part (2) and contact system (3), electromagnetic system (1) is fixed on the contact system (3) by column (4), armature part (2) is arranged on the cover plate (5) of contact system (3), be positioned at the below of electromagnetic system (1), seal bootr (6) is fixed on the top of contact system (3), and electromagnetic system (1), armature part (2) and cover plate (5) all are positioned at seal bootr (6).
Electromagnetic system (1) by about unshakable in one's determination (7,8), coil (9,10), magnetic conductor (11), support (12), magnet steel (13) and reinforcing prop (14) constitute, be fixed on the contact system (3) by four root posts (4); About coil (9,10) is wrapped in respectively on unshakable in one's determination (7,8), about the upper end of (7,8) unshakable in one's determination be fixed on the magnetic conductor (11), the lower end is fixed on the support (12); Magnet steel (13) is positioned between the coil (9,10), and the upper end is fixed on the magnetic conductor (11), and the lower end is fixed on the support (12); Two non-magnetic square metal reinforcing props (14) are clamped in the both sides of magnet steel (13), and its upper end is fixed on the magnetic conductor (11), and the lower end is fixed on the support (12); Magnetic conductor (11) and support (12) are fixed on the cover plate (5) of contact system (3) by four root posts (4).
Armature part (2) is made up of V-arrangement armature (15), armature bracket (16) and actuating spring (17), armature bracket (16) is fixed on the cover plate (5) of contact system (3), V-arrangement armature (15) is hinged on the armature bracket (16), and actuating spring (17) is fixed on the below of V-arrangement armature (15).
Contact system (3) is made of cover plate (5), cavity (18), coaxial connector (19), fixed contact assembly (20), liner (21), push rod (22), spring (23), port lid (24) and movable contact spring (25); Three coaxial connectors (19) are inserted into the below of cavity (18) and make its inner core be positioned at cavity (18), are shaped on two location holes (26), and location hole (26) is positioned between the coaxial connector (19); Liner (21) is fixed on cavity (18) inner face, fixed contact assembly (20) is fixed on the inner of coaxial connector (19) and is positioned on the liner (21), the upper end of two push rods (22) lays respectively at the below at actuating spring (17) two ends, and the lower end is inserted into respectively in two location holes (26).Movable contact spring (25) is fixed on the middle part of push rod (22) and is positioned on the fixed contact assembly (20), the lower end of push rod (22) is set with spring (23), and spring (23) is arranged in location hole (26), the lower port of location hole (26) is equipped with port lid (24), with silicon rubber port lid is sealed all around simultaneously, cover plate (5) is equipped with in the upper end of cavity (18).
Fixed contact assembly (20) is installed on the movable contact spring and is welded with the silver alloy contact for the transition reed that is welded with the silver alloy contact is installed, and the two is by liner (21) and push rod (22) insulation support limit.The control end of coil (9,10) is drawn by the low-frequency connector (27) that is installed on the seal bootr (6), low-frequency connector (27) mounting flange and seal bootr (6) interface silicone rubber seal.Seal bootr (6) inwall and contact system (4) cover plate (5) are used silicone rubber seal all around.
Operation principle: when right coil (10) applies excitation, electromagnetic field and magnet steel magnetic field superposition that coil (10) produces, producing active force in V-arrangement armature (15) right-hand member top makes V-arrangement armature (15) rotate counterclockwise around axle, driving actuating spring (17) rotates counterclockwise, the left end of actuating spring (17) presses down the push rod (22) of contact system (3) left part, driving movable contact spring (25) by push rod (22) moves downward with the fixed contact assembly (20) at left side fixed contact assembly (20) and middle part and contacts Jiang Zuolu and the connection of middle road.Another group movable contact spring (25) of right part is under the counter-force effect of return spring (23), push rod (22) drive movable contact spring (25) by correspondence moves upward, movable contact spring (25) is separated with the fixed contact assembly (20) at right side fixed contact assembly (20) and middle part, right wing and middle road are disconnected.Should apply when encouraging by left coil (9) together, Zuo Lu and middle road disconnect, and right wing and middle road are connected.
During relay contact closure, fixed contact assembly (20) and movable contact spring (25) are positioned at the band line structure that microwave cavity (18) is radio-frequency transmission line, so the relay contact bandwidth can be from direct current to microwave.When relay contact disconnected, movable contact spring (25) contacted formation ground connection with cover plate (5) under the effect of return spring (23), make and form high-isolation between break contact.
Claims (5)
1, a kind of single-knife dual-close large power coaxial relay, comprise electromagnetic system (1), armature part (2) and contact system (3), it is characterized in that: electromagnetic system (1) is fixed on the contact system (3) by column (4), armature part (2) is arranged on the cover plate (5) of contact system (3), be positioned at the below of electromagnetic system (1), seal bootr (6) is fixed on the top of contact system (3), and electromagnetic system (1), armature part (2) and cover plate (5) all are positioned at seal bootr (6).
2, single-knife dual-close large power coaxial relay according to claim 1 is characterized in that: described electromagnetic system (1) by about unshakable in one's determination (7,8), coil (9,10), magnetic conductor (11), support (12), magnet steel (13) and reinforcing prop (14) constitute; About coil (9,10) is wrapped in respectively on unshakable in one's determination (7,8), about the upper end of (7,8) unshakable in one's determination be fixed on the magnetic conductor (11), the lower end is fixed on the support (12); Magnet steel (13) is positioned between the coil (9,10), and the upper end is fixed on the magnetic conductor (11), and the lower end is fixed on the support (12); Reinforcing prop (14) is clamped in the both sides of magnet steel (13), and its upper end is fixed on the magnetic conductor (11), and the lower end is fixed on the support (12); Magnetic conductor (11) and support (12) are fixed on the cover plate (5) of contact system (3) by four root posts (4).
3, single-knife dual-close large power coaxial relay according to claim 1, it is characterized in that: described armature part (2) is made up of V-arrangement armature (15), armature bracket (16) and actuating spring (17), armature bracket (16) is fixed on the cover plate (5) of contact system (3), V-arrangement armature (15) is hinged on the armature bracket (16), and actuating spring (17) is fixed on the below of V-arrangement armature (15).
4, single-knife dual-close large power coaxial relay according to claim 3 is characterized in that: described contact system (3) is made of cover plate (5), cavity (18), coaxial connector (19), fixed contact assembly (20), liner (21), push rod (22), spring (23), port lid (24) and movable contact spring (25); Coaxial connector (19) is inserted into the below of cavity (18) and makes its inner core be positioned at cavity (18), liner (21) is fixed on cavity (18) inner face, fixed contact assembly (20) is fixed on the inner of coaxial connector (19) and is positioned on the liner (21), the upper end of push rod (22) is positioned at the below of actuating spring (17), the lower end is inserted in the location hole (26) on the cavity (18), movable contact spring (25) is fixed on the middle part of push rod (22) and is positioned on the fixed contact assembly (20), the lower end of push rod (22) is set with spring (23), and spring (23) is arranged in location hole (26), the lower port of location hole (26) is equipped with port lid (24), and cover plate (5) is equipped with in the upper end of cavity (18).
5, single-knife dual-close large power coaxial relay according to claim 4, it is characterized in that: the below of described cavity (18) is fitted with three coaxial connectors (19), be shaped on two location holes (26), and location hole (26) is positioned between the coaxial connector (19), the upper end of two push rods (22) lays respectively at the below at actuating spring (17) two ends, and the lower end is inserted into respectively in two location holes (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202217785U CN201278332Y (en) | 2008-10-09 | 2008-10-09 | Single-knife dual-close large power coaxial relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202217785U CN201278332Y (en) | 2008-10-09 | 2008-10-09 | Single-knife dual-close large power coaxial relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201278332Y true CN201278332Y (en) | 2009-07-22 |
Family
ID=40895920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202217785U Expired - Fee Related CN201278332Y (en) | 2008-10-09 | 2008-10-09 | Single-knife dual-close large power coaxial relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201278332Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254750A (en) * | 2011-06-21 | 2011-11-23 | 中国振华集团群英无线电器材厂 | Micro sealed magnetic latching RF (radio frequency) relay |
| CN101364502B (en) * | 2008-10-09 | 2012-05-23 | 陕西群力电工有限责任公司 | Single-pole double-throw high-power coaxial relay |
| CN106548905A (en) * | 2017-01-12 | 2017-03-29 | 深圳市西科技术有限公司 | A kind of radio-frequency relay electromagnetic driving system |
| CN108511220A (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 fail-safe type single-knife dual-close large power coaxial switch |
-
2008
- 2008-10-09 CN CNU2008202217785U patent/CN201278332Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101364502B (en) * | 2008-10-09 | 2012-05-23 | 陕西群力电工有限责任公司 | Single-pole double-throw high-power coaxial relay |
| CN102254750A (en) * | 2011-06-21 | 2011-11-23 | 中国振华集团群英无线电器材厂 | Micro sealed magnetic latching RF (radio frequency) relay |
| CN106548905A (en) * | 2017-01-12 | 2017-03-29 | 深圳市西科技术有限公司 | A kind of radio-frequency relay electromagnetic driving system |
| CN108511220A (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 fail-safe type single-knife dual-close large power coaxial switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20121009 |