CN201378540Y - High-power high-frequency switch knife set and switch - Google Patents
High-power high-frequency switch knife set and switch Download PDFInfo
- Publication number
- CN201378540Y CN201378540Y CN200920107184U CN200920107184U CN201378540Y CN 201378540 Y CN201378540 Y CN 201378540Y CN 200920107184 U CN200920107184 U CN 200920107184U CN 200920107184 U CN200920107184 U CN 200920107184U CN 201378540 Y CN201378540 Y CN 201378540Y
- Authority
- CN
- China
- Prior art keywords
- diverter switch
- strip
- contact
- knife
- annular contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model relates to a switch, in particular to a high-power high-frequency switch knife set and a switch for a high-power transmitter, wherein, the knife set comprises a knife and a knife block. The knife is a cylinder-shaped knife composed of a hollow cylinder, and an insulation rod controlling the knife to move along an axial direction is fixedly arranged in the hollow cylinder. The knife block is an annular contact block which is arranged on a movement axis of the hollow cylinder-shaped knife, and at least one circle of elastic contacts is arranged in the annular contact block. The hollow cylinder-shaped knife can effectively use the surface area of copper to reduce the knife weight, save the resource and reduce the cost. The annular contact block of a multi-contact Beta-shaped contact reed greatly increases the number of the contracts to avoid current focusing on few local contracts to generate heat. The processing requirements of parts are reduced.
Description
Technical field
The utility model relates to a kind of diverter switch, particularly a kind of high-power high-frequency diverter switch cutter group and diverter switch that is used for high-power transmitter.
Background technology
The transmitting power of the high-power transmitter that broadcast communication is used is delivered to antenna or load by diverter switch.Require diverter switch by the high frequency big electric current of tens kHz to several thousand kHz, current value is up to hundreds of peaces, and voltage to earth is up to tens thousand of volts.Existing high frequency load diverter switch is two the knife switch structures of hilted broadsword that adopt as shown in Figure 1, 2, mainly be to constitute by knife-edge plug-in strip 1, rubber-like two blade bases 2,3 with affixed 4 on the plug-in strip axle of plug-in strip 1, and by ceramic insulation support 5 and ground insulation.Carry out the switching of two kinds of stations with manual or electronic or pneumatic rotation plug-in strip axle.
Because the high frequency skin effect, the operating current of switch is very big, and frequency is very high, and existing this knife switch volume is very big, needs a large amount of copper materials to make, and copper material belongs to materials in short supply in China, so price is very high.
Contacting between two side planes that constitute plug-in strip and two ribs of blade base is line contact ((pressing and present) face that can form minimal width behind big pressure distortion), yet two parallel plane ribs parallel with two constitute two parallel line contacts, only be a kind of ideal situation, in fact because machining accuracy, flatness and stressed after the influence of many factors such as distortion can only realize the partial points contact.Even therefore the knife switch of high-power big electric current still can't be avoided serious heating under the very high situation of precision, and adopt the method that is immersed in the oil to be cooled off.
The high-power high-frequency diverter switch that how to provide a kind of materials are few, intensity is high, volume is little, the insulation against ground performance is good high-power transmitter to use is a difficult problem of needing solution badly of broadcast TV communication industry.
Because the above-mentioned defective that above-mentioned existing high-power high-frequency diverter switch exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of high-power high-frequency diverter switch of new structure, make it have more practicality.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
Technical problem to be solved in the utility model is, at the above-mentioned deficiency of prior art, and the high-power high-frequency diverter switch cutter group and the diverter switch that provide a kind of materials are few, intensity is high, volume is little, the insulation against ground performance is good high-power transmitter to use.
High-power high-frequency diverter switch cutter group provided by the utility model and diverter switch are realized by following technical scheme.
A kind of high-power high-frequency diverter switch cutter group comprises plug-in strip and blade base, and wherein said plug-in strip is installed with in the described hollow cylinder and controls the insulating bar that plug-in strip moves vertically for by the tubular plug-in strip that hollow cylinder constituted; Described blade base is the annular contact shoe, and described annular contact shoe is arranged on the axis of movement of described hollow cylinder plug-in strip, is provided with a circle resilient contact in the described annular contact shoe at least.
Except that above-mentioned essential features, in specific implementation process, also can further replenish following technology contents.
Aforesaid high-power high-frequency diverter switch cutter group, wherein said hollow cylinder has upper base, and described upper base becomes arc transition with all sides of cylinder, and the end opening of described cylinder is provided with grading ring, the cross section of described grading ring is semicircle, and described insulating bar is by affixed with described upper base in the tube.
Aforesaid high-power high-frequency diverter switch cutter group, wherein said annular contact shoe is made of contact seat, terminal block, contact reed, retainer plate, described contact seat is to be provided with reed trough in the annular, described contact reed is a β shape, described β shape contact reed is fixed in the described reed trough by retainer plate, and described terminal block is fixedly arranged on the outside of described contact seat.
Aforesaid high-power high-frequency diverter switch cutter group also is provided with locating ring in the wherein said contact seat.
Aforesaid high-power high-frequency diverter switch cutter group, wherein said β shape contact reed is by plane fixed part and being arranged on the fixed part of plane, the resilient contact that bending is circular arc constitutes, and described retainer plate is fixed in described β shape contact reed in the reed trough of described contact seat by the plane fixed part of described β shape contact reed.
The utility model also provides the above-mentioned switch cutter of a kind of usefulness high-power high-frequency diverter switch that group is constituted, comprise base, be located at insulating support, high frequency diverter switch cutter group, driving mechanism on the base, wherein said insulating support comprises the insulation board that three horizontal parallel equidistant are provided with, four jiaos of described insulation board by thoroughly do away with edge pole one-tenth " and " font stands and is located on the described base; Described three insulation board centers are equipped with through hole; The annular contact shoe of described high frequency diverter switch cutter group has three, is fixedly arranged on respectively on the central through hole of described three insulation boards, and a side of each annular contact shoe is provided with terminal block; The tubular plug-in strip of described high frequency diverter switch cutter group is located at described annular contact shoe center, described driving mechanism is located on the described base, described driving mechanism is connected at the insulating bar in the tubular plug-in strip tube, drive described tubular plug-in strip by described insulating bar and move vertically between described three annular contact shoes, constitute the hilted broadsword two-position switch.
Aforesaid high-power high-frequency diverter switch, wherein said driving mechanism are electric driving mechanism or pneumatic drive mechanism.
Aforesaid high-power high-frequency diverter switch, wherein said electric driving mechanism comprises worm gear, worm screw, screw rod, nut and motor, described motor connects described worm screw, described worm and wheel engagement, described worm gear center is provided with described nut, described screw rod is located in the described nut, and an end of described screw rod connects the described insulating bar of being located in the tubular plug-in strip tube.
Aforesaid high-power high-frequency diverter switch, the other end of wherein said screw rod is provided with projection, on the described base when a side of screw rod contacts with three annular contact shoes corresponding to the tubular plug-in strip height and position of projection be provided with three limit switches.
Aforesaid high-power high-frequency diverter switch, wherein said insulation board are that epoxy phenol aldehyde glass cloth laminated board is processed into; Described insulating bar, insulation strut are epoxy phenol aldehyde glass cloth laminated rod and are processed into.
The utility model compared with prior art has tangible advantage and beneficial effect.By technique scheme, high-power high-frequency diverter switch cutter group of the present utility model and diverter switch can reach suitable technological progress and practicality, and have the extensive value on the industry, and it has following advantage at least:
1, plug-in strip is set to hollow circle tube, can effectively utilize the surface area of copper material, alleviates plug-in strip weight, economizes on resources, reduces the cost.
2, the annular contact shoe that adopts multiconductor β shape contact reed has greatly increased contact and has counted as blade base, avoids current concentration to produce high heat in the local contact point of minority.And reduced the processing request of part.
3, the annular contact shoe is fixed on the base with insulation board and by insulation strut, and the hollow circle tube plug-in strip is connected at driving mechanism on the base by being located at inner insulating bar, by can solve the high-frequency insulation problem of switch well to the design of insulation board area, insulating bar, insulation strut length.Compare with adopting metallic plate clamping rings shape contact shoe, the size of insulating support is dwindled greatly.
4, adopt epoxy novolac glass laminates, do insulation pole and insulating bar, and do not adopt the porcelain rod, the machining accuracy of part installing hole is reduced greatly with certain toughness.
In sum, high-power high-frequency diverter switch cutter group of the present utility model and diverter switch.Have above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on the structure of product or function, obvious improvement is arranged technically, and produced handy and practical effect, and more existing knife switch has the outstanding multinomial effect of enhancement, thereby being suitable for practicality more, and having the extensive value of industry, really is a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the structural representation of existing knife switch.
Fig. 2 is the end view of Fig. 1.
Fig. 3 is the structural representation of the utility model high-power high-frequency diverter switch cutter group.
Fig. 4 is a β shape contact reed structure schematic diagram in the cutter group.
Fig. 5 is the end view of Fig. 4.
Fig. 6 is the utility model high-power high-frequency Switch structure schematic diagram.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is the structure diagram of motor-driven mechanism.
Embodiment
Relevant aforementioned and other technology contents, characteristics and effect of the present utility model can clearly present in the following detailed description that cooperates with reference to graphic preferred embodiment.Explanation by embodiment, when can being to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to this high-power high-frequency diverter switch cutter group and diverter switch, yet appended graphic only provide with reference to the usefulness of explanation, be not to be used for the utility model is limited.
As shown in Figure 3, high-power high-frequency diverter switch cutter group 10 provided by the utility model comprises plug-in strip and blade base, wherein, the tubular plug-in strip 11 of described plug-in strip for being made of hollow cylinder 111 is installed with in the described hollow cylinder 111 and controls the insulating bar 112 that plug-in strip 11 moves vertically; Described blade base is an annular contact shoe 12, and described annular contact shoe 12 is arranged on the axis of movement of described hollow circle tube plug-in strip 11, is provided with a circle resilient contact in the described annular contact shoe 12 at least.When tubular plug-in strip 11 is positioned at described annular contact shoe 12, the resilient contacts in the described annular contact shoe 12 contact the electrical connection of formation plug-in strip and blade base with the outer surface of described tubular plug-in strip 11.
Described hollow cylinder 111 has upper base 113, and described upper base 113 becomes arc transition with cylinder 111 all sides, and this is that arc transition can prevent point discharge because switch is operated in the high-frequency and high-voltage electric field, also is convenient to insert in the annular contact shoe 12 simultaneously.The end opening of described cylinder is provided with grading ring 114, and the cross section of described grading ring 114 is semicircle, and purpose also is to prevent point discharge.Described insulating bar 112 is by affixed with described upper base 113 in the tube.
Described annular contact shoe 12 is made of contact seat 121, terminal block 122, contact reed 123, retainer plate 124, described contact seat 121 is an annular, in be provided with reed trough 125, described contact reed 123 is β shape (shown in 5), described β shape contact reed is fixed in the described reed trough 125 by retainer plate 124, and described terminal block 122 is fixedly arranged on the outside of described contact seat 121.Terminal block 122 is for external line.
Also be provided with locating ring 126 in the described contact seat, it is coaxial with described annular contact shoe 12 that the effect of locating ring 126 is tubular plug-in strips 11 of keep inserting, makes the contact of a contact reed 123 that encloses and the outer surface even contact of described tubular plug-in strip 11.
Shown in Fig. 4,5, described β shape contact reed 123 is by plane fixed part 1231 and be arranged on the plane fixed part 1231, the resilient contact 1232 that bending is circular arc constitutes, and described retainer plate 124 is fixed in described β shape contact reed 123 in the reed trough 125 of described contact seat by the plane fixed part 1231 of described β shape contact reed.
Shown in Fig. 6,7, the high-power high-frequency diverter switch that the above-mentioned switch cutter of a kind of usefulness provided by the utility model group is constituted, comprise base 20, be located at insulating support 30, high frequency diverter switch cutter group 10, driving mechanism 40 on the base 20, wherein, described insulating support 30 comprises the insulation board 31 that three horizontal parallel equidistant are provided with, four jiaos of described insulation board 31 by four thoroughly do away with 32 one-tenth of edge poles " and " font stands and is located on the described base 20; Described three insulation board 31 centers are equipped with through hole 311; The annular contact shoe 12 of described high frequency diverter switch cutter group 10 has three, is fixedly arranged on respectively on the central through hole 311 of described three insulation boards 31.One side of each annular contact shoe 12 is provided with terminal block 122; The tubular plug-in strip 11 of described high frequency diverter switch cutter group 10 is located at described annular contact shoe 12 centers, described driving mechanism 40 is located on the described base, described driving mechanism 40 is connected at the insulating bar 112 in the tubular plug-in strip tube, drive described tubular plug-in strip 11 by described insulating bar 112 and move vertically between described three annular contact shoes 12, constitute the hilted broadsword two-position switch.
Described driving mechanism 40 is electric driving mechanism or pneumatic drive mechanism.
Described electric driving mechanism as shown in Figure 8, comprise worm gear 41, worm screw 42, screw rod 43, nut 44 and motor 45, described motor 45 connects described worm screw 42, described worm screw 42 and worm gear 41 engagements, described worm gear 41 centers are provided with described nut 44, described screw rod 43 spiral shells are located in the described nut 44, and an end of described screw rod 43 connects the described insulating bar of being located in the tubular plug-in strip tube 112.
The other end of described screw rod 43 is provided with projection 46, on the described base 20 when a side of screw rod 43 contacts with three annular contact shoes corresponding to tubular plug-in strip 11 height and position of projection 46 be provided with three limit switches 47,48,49.
In the utility model, described insulation board adopts epoxy or phenolic aldehyde glass-cloth board to be processed into; Described insulating bar, insulation strut are epoxy or phenolic aldehyde glass cloth rod is processed into.Replace traditional porcelain rod to do the insulation material with epoxy with certain toughness or phenolic aldehyde glass-base laminated material, make part that handling ease is installed, stressed damage when avoiding the assembling of porcelain rod.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (10)
1, a kind of high-power high-frequency diverter switch cutter group comprises plug-in strip and blade base, it is characterized in that described plug-in strip for by the tubular plug-in strip that hollow cylinder constituted, is installed with in the described hollow cylinder and controls the insulating bar that plug-in strip moves vertically; Described blade base is the annular contact shoe, and described annular contact shoe is arranged on the axis of movement of described hollow cylinder plug-in strip, is provided with a circle resilient contact in the described annular contact shoe at least.
2, high-power high-frequency diverter switch cutter group according to claim 1, it is characterized in that described hollow cylinder has upper base, described upper base becomes arc transition with all sides of cylinder, the end opening of described cylinder is provided with grading ring, the cross section of described grading ring is semicircle, and described insulating bar is by affixed with described upper base in the tube.
3, high-power high-frequency diverter switch cutter group according to claim 1, it is characterized in that described annular contact shoe is made of contact seat, terminal block, contact reed, retainer plate, described contact seat is an annular, in be provided with reed trough, described contact reed is a β shape, described β shape contact reed is fixed in the described reed trough by retainer plate, and described terminal block is fixedly arranged on the outside of described annular contact seat.
4, high-power high-frequency diverter switch cutter group according to claim 3 is characterized in that also being provided with in the described contact seat locating ring.
5, high-power high-frequency diverter switch cutter group according to claim 3, it is characterized in that described β shape contact reed is by the plane fixed part and is arranged in resilient contact on the fixed part of plane, that bending is circular arc and is constituted that described retainer plate is fixed in described β shape contact reed in the reed trough of described contact seat by the plane fixed part of described β shape contact reed.
6, a kind of high-power high-frequency diverter switch that is constituted with the described switch cutter of claim 1 group, comprise base, be located at insulating support, high frequency diverter switch cutter group, driving mechanism on the base, it is characterized in that described insulating support comprises the insulation board that three horizontal parallel equidistant are provided with, four jiaos of described insulation board by four thoroughly do away with edge poles one-tenth " and " font stands and is located on the described base; Described three insulation board centers are equipped with through hole; The annular contact shoe of described high frequency diverter switch cutter group has three, is fixedly arranged on respectively on the central through hole of described three insulation boards, and a side of each annular contact shoe is provided with terminal block; The tubular plug-in strip of described high frequency diverter switch cutter group is located at described annular contact shoe center, described driving mechanism is located on the described base, described driving mechanism is connected at the insulating bar in the tubular plug-in strip tube, drive described tubular plug-in strip by described insulating bar and move vertically between described three annular contact shoes, constitute the hilted broadsword two-position switch.
7, high-power high-frequency diverter switch according to claim 6 is characterized in that described driving mechanism is electric driving mechanism or pneumatic drive mechanism.
8, high-power high-frequency diverter switch according to claim 6, it is characterized in that described electric driving mechanism comprises worm gear, worm screw, screw rod, nut and motor, described motor connects described worm screw, described worm and wheel engagement, described worm gear center is provided with described nut, described screw rod is located in the described nut, and an end of described screw rod connects the described insulating bar of being located in the tubular plug-in strip tube.
9, high-power high-frequency diverter switch according to claim 6, the other end that it is characterized in that described screw rod is provided with projection, on the described base when a side of screw rod contacts with three annular contact shoes corresponding to the tubular plug-in strip height and position of projection be provided with three limit switches.
10, high-power high-frequency diverter switch according to claim 6 is characterized in that described insulation board is that epoxy or phenolic aldehyde glass-cloth board are processed into; Described insulating bar, insulation strut are epoxy or phenolic aldehyde glass cloth rod is processed into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107184U CN201378540Y (en) | 2009-04-15 | 2009-04-15 | High-power high-frequency switch knife set and switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920107184U CN201378540Y (en) | 2009-04-15 | 2009-04-15 | High-power high-frequency switch knife set and switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201378540Y true CN201378540Y (en) | 2010-01-06 |
Family
ID=41518659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920107184U Expired - Lifetime CN201378540Y (en) | 2009-04-15 | 2009-04-15 | High-power high-frequency switch knife set and switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201378540Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255279A (en) * | 2011-05-19 | 2011-11-23 | 深圳市普耐光电科技有限公司 | Anti-theft safety device of electric appliance |
| CN108389751A (en) * | 2018-05-08 | 2018-08-10 | 河南森源电气股份有限公司 | A kind of disconnecting switch |
| CN108878188A (en) * | 2017-05-12 | 2018-11-23 | 天佑电器（苏州）有限公司 | Alternating current-direct current switching device and burnisher with the switching device |
-
2009
- 2009-04-15 CN CN200920107184U patent/CN201378540Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255279A (en) * | 2011-05-19 | 2011-11-23 | 深圳市普耐光电科技有限公司 | Anti-theft safety device of electric appliance |
| CN108878188A (en) * | 2017-05-12 | 2018-11-23 | 天佑电器（苏州）有限公司 | Alternating current-direct current switching device and burnisher with the switching device |
| CN108878188B (en) * | 2017-05-12 | 2024-03-08 | 天佑电器（苏州）有限公司 | AC/DC switching device and cleaning tool with same |
| CN108389751A (en) * | 2018-05-08 | 2018-08-10 | 河南森源电气股份有限公司 | A kind of disconnecting switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201378540Y (en) | High-power high-frequency switch knife set and switch | |
| CN1674188A (en) | Method for switch-on under-voltage protection and switch-off raising just-off speed of permanent magnetic mechanism contactor | |
| CN210805640U (en) | High-voltage direct-current relay | |
| CN107978482B (en) | electromagnetic repulsion mechanism built by angle steel | |
| CN108538663B (en) | Novel dual-power transfer switch mechanism | |
| CN201594490U (en) | Vacuum on-off tube with novel contact structure | |
| CN211729037U (en) | Device is changed to base type 35kV circuit breaker closing spring | |
| CN205406369U (en) | High pressure isolating switch | |
| CN208680294U (en) | A kind of fuse contact knife cap punch forming device of multistation | |
| CN210752403U (en) | Over-and-under type lithium cell electricity core thick liquids agitating unit | |
| CN205355942U (en) | Power changing switch with duplicate power supply | |
| CN217224470U (en) | One-step forming device for anode plate 7-shaped conductive beam | |
| CN201178060Y (en) | Indoor high-voltage rotary separation switch | |
| CN110559926A (en) | Over-and-under type lithium cell electricity core thick liquids agitating unit | |
| CN208608320U (en) | A kind of cylindrical battery high efficiency formation device | |
| CN217333934U (en) | Turnover device of horizontal turnover type isolating switch | |
| CN215418068U (en) | Copper plate static contact | |
| CN201197053Y (en) | Ultra-high voltage opening type combined electrical apparatus | |
| CN204270833U (en) | A kind of high voltage transformer winding being provided with automatic impaction pad device | |
| CN211957578U (en) | Device for preventing breaker mechanical opening and closing operating handle from being damaged easily | |
| CN211350454U (en) | Position signal acquisition device for electric grounding switch | |
| CN215008866U (en) | Current reversing device | |
| CN211734496U (en) | Low-voltage large-current quick switch | |
| CN219017941U (en) | Heavy current direct-plug wiring terminal | |
| CN105811326A (en) | Electric power wire stripper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100106 |
|
| CX01 | Expiry of patent term |