CN206379602U - A kind of novel high-frequency tuning slidingtype electrical contact contact - Google Patents
A kind of novel high-frequency tuning slidingtype electrical contact contact Download PDFInfo
- Publication number
- CN206379602U CN206379602U CN201720074881.0U CN201720074881U CN206379602U CN 206379602 U CN206379602 U CN 206379602U CN 201720074881 U CN201720074881 U CN 201720074881U CN 206379602 U CN206379602 U CN 206379602U
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- China
- Prior art keywords
- shell fragment
- contact
- pull bar
- electrical contact
- tuning
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Abstract
The utility model discloses a kind of novel high-frequency tuning slidingtype electrical contact contact, is included in the tuning ring slided between outer sleeve and inner sleeve；The outer sleeve is set on inner sleeve；The tuning ring is made up of inner shrapnel, top base, outer shell fragment and bottom base；The top base is welded as a whole with bottom base, and inner shrapnel and outer shell fragment are axially evenly distributed, and are welded on bottom base；The top base upper side is welded with pull bar, and pull bar upper end drives upper and lower motion by motor, tuning ring is slided along pull bar is upper and lower between outer sleeve and inner sleeve.The utility model uses novel electrical contact contact, and it is too small to solve cyclotron radio frequency system tuning ring regulation process intermediate gap, the problems such as operation difficulty is big；Overall structure is simple compact, economic and practical, efficiently reduces the Joule heat of contact resistance generation, it is to avoid contact surface melting welding or conductive destruction, be particularly suitable for use in small―gap suture range tuner.
Description
Technical field
The utility model belongs to cyclotron radio frequency system tuning ring electrical contact technology, is related to a kind of novel high-frequency tuning
Slidingtype, which makes electrical contact with, slides tuning in the range of contact, the small―gap suture that is particularly suitable for use in.
Background technology
Cyclotron has a wide range of applications in the field of nuclear medicine, especially in radiopharmaceutical pharmacy, oncotherapy
It is significant Deng field.The host computer system of superconducting cyclotron is accelerated using the electromagnetic field of resonator to ion, and is tuned
Ring is the important component for realizing resonator tuning.No matter shut down in accelerator under operating mode, or under operating condition, tuning ring will
Being capable of real-time minimum regulation RF cavity frequencies.Accordingly, it would be desirable to which the electrical contact performance of electric contact piece and inside and outside barrel is good, and protect
Card electric contact piece is free to slide up and down, and this is proposed to performances such as contact electrical contact, thermal coupling, resistance to pressure, life-spans
Very high requirement.However, easily there is wall phenomenon of wearing and tearing in traditional electrical contact contact.Moreover, during tuning ring regulation, line
Current density ratio is larger, may produce transient current, easily produce spark phenomenon, and electromagnetic interference is produced to RF cavitys.In order to
Solve the above problems, a kind of scheme is now provided.
Utility model content
The purpose of this utility model is to provide a kind of novel high-frequency tuning slidingtype electrical contact contact, using slidingtype electricity
Contact form is contacted, the electric Contacts of cyclotron tuning ring inside and outside barrel during tuning are solved, it has knot
Structure is simple the features such as compact, appearance and size is small, sensitivity is high；Met with electric contact piece and slide axially and ensure that electrical contact is good
Good bidirectional demand, the advantages of small on the influence of RF chambers magnetic field.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of novel high-frequency tuning slidingtype electrical contact contact, is included in the tuning slided between outer sleeve and inner sleeve
Ring；The outer sleeve is set on inner sleeve；The tuning ring is made up of inner shrapnel, top base, outer shell fragment and bottom base；It is described
Top base is welded as a whole with bottom base, and inner shrapnel and outer shell fragment are axially evenly distributed, and are welded on bottom base；It is described
Top base upper side is welded with pull bar, and pull bar upper end drives upper and lower motion by motor, makes tuning ring along pull bar in outer sleeve
It is upper and lower between inner sleeve to slide.
The pull bar is by upper and lower two groups, a total of eight independent pull bar compositions, upper and lower 90 degree of two groups of pull bar misorientations, and edge
Axially it is evenly arranged；It is connected in the middle of upper and lower two groups of pull bars by positioning disk.
The width of the inner shrapnel and outer shell fragment is 5mm；Contact bullet is equipped between inside and outside shell fragment and the bottom base
Spring.
The inner shrapnel and outer shell fragment material select Be-Cu contact materials, and electroplate, shell fragment thickness is at least
50um。
It is stuck in after the front end bending of the inner shrapnel and outer shell fragment in the groove on bottom base top；Adopt on inside and outside shell fragment surface
With silver-colored graphite bulb self-lubricating form.
The top base is made of copper product；The bottom base is made of insulating materials aluminium oxide ceramics.
Ring water route is offered along its ring in the bottom base, the relative both sides in ring water route are respectively equipped with entering for connection
Water water route and water outlet water route, form a circulation waterway, and water inlet water route and water outlet water route are set through top base.
The tuning ring job requirement and parameter：Working frequency is 90MHz, and feed-in radio-frequency power is 120kW, electric contact piece
Translational speed is controlled in 0.01mm/s-0.1mm/s, and inner sleeve surface magnetic field intensity is in 100A/m, and RF frequency modulation chamber Surface fields are strong
Degree be about 10A/m, inner sleeve, electric contact piece, RF frequency modulation chamber threes temperature control below 80 degrees Celsius.
The beneficial effects of the utility model：The utility model uses novel electrical contact contact, solves cyclotron high
Display system tuning ring regulation process intermediate gap is too small, the problems such as operation difficulty is big；Shell fragment uses Be-Cu alloys, and electroplate increases
Add the wearability of shell fragment, can effectively avoid shell fragment material surface temperature rise, and cause contact resistance problems of too；This practicality
New overall structure is simple compact, economic and practical, efficiently reduces the Joule heat of contact resistance generation, it is to avoid contact surface melting welding or
Conduction destruction, be particularly suitable for use in small―gap suture range tuner.
Brief description of the drawings
For the ease of it will be appreciated by those skilled in the art that being further described below in conjunction with the accompanying drawings to the utility model.
Fig. 1 is the overall schematic of tuning ring；
Fig. 2 is schematic diagram of the present utility model inside Fig. 1；
Fig. 3 is electrical contact contact cross section view；
Indicated in figure：1- pull bars, 2- positioning disks, 3- outer sleeves, 4- tuning rings, 5- inner sleeves, 6- inner shrapnels, the upper bases of 7-
Seat, the outer shell fragments of 8-, 9- bottom bases, 10- water inlets water route, 11- water outlets water route, 12- rings water route, 13- touch springs.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with embodiment, it is clear that described
Embodiment be only a part of embodiment of the utility model, rather than whole embodiment.Based on the reality in the utility model
Example is applied, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made all belongs to
The scope protected in the utility model.
The utility model be in order to meet the special electrical contact performance of tuning ring and the working clearance it is narrow and small and propose, use
New bilateral shell fragment structure of contact terminal, is more applicable in the range of small―gap suture realizing high-frequency tuning, make tuning ring availability and
Maintainable more preferable, global design compact conformation is economic and practical, meets the use requirement of cyclotron tuning ring.
A kind of novel high-frequency tuning slidingtype makes electrical contact with contact, and the design needs of the electrical contact contact are integrally with tuning ring
System is mutually matched, and referring to Fig. 1, Fig. 2 and Fig. 3, is included in the tuning ring 4 slided between outer sleeve 3 and inner sleeve 5；Wherein, overcoat
Cylinder 3 is set on inner sleeve 5, and tuning ring 4 is made up of inner shrapnel 6, top base 7, outer shell fragment 8 and bottom base 9, and top base 7 is with
Pedestal 9 is welded as a whole, and inner shrapnel 6 and outer shell fragment 8 are axially evenly distributed, and are welded on bottom base 9, inside and outside bullet
The width of piece is 5mm；Inner shrapnel 6 is different from the bending curvature of outer shell fragment 8, and contact pressure is set by touch spring 13
Power, it is ensured that elastic force between barrel and shell fragment is appropriate, i.e., avoid contact with bad, avoid friction is excessive to cause damage to shell fragment again
Wound, influence contact effect；
The upper side of top base 7 is welded with pull bar 1, and 1 point of the pull bar is upper and lower two groups, a total of eight, is mainly used in electricity and connects
Guide effect is played when touching the upper and lower slip of contact；In order to solve the problems, such as that pull bar 1 produces amount of deflection, upper and lower two groups of pull bar misorientations 90
Degree, and be evenly arranged vertically；It is connected in the middle of upper and lower two groups of pull bars by positioning disk 2, plays firm pull bar effect；Pull bar 1
Upper end is connected with motor, and motor driving pull bar moves up and down, so that tuning ring 4 is slided up and down along pull bar 1, realizes that frequency is adjusted
It is humorous；
Tuning ring 4 shell fragment and barrel during regulation are fricting movements, to avoid shell fragment sliding process from face contact occur,
Cause local temperature rise excessive and surfacing melting, increase contact resistance and electrical wear, so as to bring sparking, fusing, part
The excessively high adverse consequences of Joule heat, directly affects contact effect, therefore, the new Be-Cu contact materials of shell fragment material selection, table
Face is silver-plated, the silver-plated electric conductivity that can ensure tuning ring during regulation；In view of RF losses, shell fragment thickness is at least
50um.The features such as Be-Cu alloys have wear-resisting, low temperature resistant, nonmagnetic, with good conduction, thermal conductivity, contact resistance it is low and
Stable, electric arc translational speed is fast, impacts no-spark, and wearability is good, and intensity is high, and has good ductility, and processing characteristics is excellent,
Simple production process, it is with low cost to wait many-sided advantage, therefore can ensure that shell fragment is thermal coupling good, have higher pressure-resistant
Property, it is adapted to sliding contact, is widely used in manufacture field；
It is stuck in after the front end bending of inner shrapnel 6 and outer shell fragment 8 in the groove on the top of bottom base 9, prevents upper and lower sliding process
Middle shell fragment comes off, it is ensured that shell fragment contact bossing can with inside and outside barrel good contact, in order to improve service life, to touch
Head is using heat treatment, while in order to avoid abrasion when contact is slided up and down, using silver-colored graphite bulb self-lubricating mode；Top base
7 use material copper with good conductivity, not only ensure the excellent electric contact of inside and outside shell fragment, and play branch to the shell fragment of welding
Support is acted on；Bottom base 9 uses insulating materials aluminium oxide ceramics, and in addition to fixation, it can also avoid transient current
To the electromagnetic interference of RF cavitys；
Shell fragment surface is using silver-colored graphite bulb self-lubricating form, and it has resistance fusion welding and good conductivity, and contact resistance is low
And stablize, the advantages of low-temperature-rise characteristic；Shell fragment contact is constantly in the stress of the inside and outside barrel of connection, therefore to the contact life-span
Have high requirements, it is necessary to be heat-treated to shell fragment, raising material property；
When contact is slided up and down, due to the presence of contact resistance, contact resistance can produce Joule heat, can aggravate oxide-film
Production is thickening, generates heat more serious, the melting welding or conductive destruction of contact surface is may result in, in order to solve the problem, in lower base
Ring water route 12 is opened up on seat 9, the relative both sides in ring water route 12 are respectively equipped with the water inlet water route 10 and water outlet water route 11 of connection,
A circulation waterway is formed, water inlet water route 10 and water outlet water route 11 are set through top base 7.
Contact is produced contact pressure and is extruded inside and outside shell fragment using the double elastic piece structures of bilateral, touch spring 13, make its with it is inside and outside
Barrel is contacted, and is formed short circuit, is not only met good electrical contact requirement, and pull bar can be coordinated to slide axially so as to RF cavitys
No matter tuning, shut down operating mode in accelerator, or all can real-time minimum regulation during operating condition.
Tuning ring job requirement and parameter：Working frequency is 90MHz, and feed-in radio-frequency power is 120kW, and electric contact piece (is adjusted
Humorous ring) translational speed control is in 0.01mm/s-0.1mm/s, and inner sleeve surface magnetic field intensity is in 100A/m or so, RF frequency modulation chamber tables
Face magnetic field intensity is about 10A/m or so, and inner sleeve, electric contact piece, the temperature control of RF frequency modulation chamber threes are at 80 degrees Celsius
Hereinafter, it can be 60 degrees Celsius.
Electrical contact structure of contact terminal of the present utility model is compact, and size is smaller, and pole is only 18mm to width, and axial length is only
46mm.The utility model is simple in construction, economic and practical, and reference is provided for high-frequency tuning field.
The utility model preferred embodiment disclosed above is only intended to help and illustrates the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, it is only described embodiment that the utility model is not limited yet.Obviously, according to this theory
The content of bright book, can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably
Principle of the present utility model and practical application are explained, so that skilled artisan can be best understood by and utilize this
Utility model.The utility model is only limited by claims and its four corner and equivalent.
Claims (7)
1. a kind of novel high-frequency tuning slidingtype electrical contact contact, it is characterised in that be included in outer sleeve (3) and inner sleeve (5)
Between the tuning ring (4) that slides；The outer sleeve (3) is set on inner sleeve (5)；The tuning ring (4) by inner shrapnel (6),
Top base (7), outer shell fragment (8) are constituted with bottom base (9)；The top base (7) is welded as a whole with bottom base (9), inner shrapnel
(6) and outer shell fragment (8) is axially evenly distributed, and it is welded on bottom base (9)；Top base (7) upper side is welded with
Pull bar (1), pull bar (1) upper end drives upper and lower motion by motor, make tuning ring (4) along pull bar (1) outer sleeve (3) with
It is upper and lower between inner sleeve (5) to slide.
2. a kind of novel high-frequency tuning slidingtype electrical contact contact according to claim 1, it is characterised in that the pull bar
(1) by upper and lower two groups, a total of eight independent pull bar compositions, upper and lower 90 degree of two groups of pull bar misorientations, and be evenly arranged vertically；
It is connected in the middle of upper and lower two groups of pull bars by positioning disk (2).
3. a kind of novel high-frequency tuning slidingtype electrical contact contact according to claim 1, it is characterised in that the interior bullet
The width of piece (6) and outer shell fragment (8) is 5mm；Touch spring (13) is equipped between inside and outside shell fragment and the bottom base (9).
4. a kind of novel high-frequency tuning slidingtype electrical contact contact according to claim 3, it is characterised in that the interior bullet
Piece (6) and outer shell fragment (8) material select Be-Cu contact materials, and electroplate, shell fragment thickness is at least 50um.
5. a kind of novel high-frequency tuning slidingtype electrical contact contact according to claim 4, it is characterised in that the interior bullet
In the groove that bottom base (9) top is stuck in after the front end bending of piece (6) and outer shell fragment (8)；Inside and outside shell fragment surface is using silver-colored graphite
Bulb self-lubricating form.
6. a kind of novel high-frequency tuning slidingtype electrical contact contact according to claim 1, it is characterised in that the upper base
Seat (7) is made of copper product；The bottom base (9) is made of insulating materials aluminium oxide ceramics.
7. a kind of novel high-frequency tuning slidingtype electrical contact contact according to claim 6, it is characterised in that the lower base
Ring water route (12) is offered along its ring in seat (9), ring water route (12) relative both sides are respectively equipped with the water inlet water of connection
Road (10) and water outlet water route (11), form a circulation waterway, and water inlet water route (10) and water outlet water route (11) runs through top base
(7) set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720074881.0U CN206379602U (en) | 2017-01-19 | 2017-01-19 | A kind of novel high-frequency tuning slidingtype electrical contact contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720074881.0U CN206379602U (en) | 2017-01-19 | 2017-01-19 | A kind of novel high-frequency tuning slidingtype electrical contact contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206379602U true CN206379602U (en) | 2017-08-04 |
Family
ID=59400344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720074881.0U Withdrawn - After Issue CN206379602U (en) | 2017-01-19 | 2017-01-19 | A kind of novel high-frequency tuning slidingtype electrical contact contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206379602U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558825A (en) * | 2017-01-19 | 2017-04-05 | 合肥中科离子医学技术装备有限公司 | A kind of novel high-frequency tuning slidingtype electrical contact contact |
-
2017
- 2017-01-19 CN CN201720074881.0U patent/CN206379602U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106558825A (en) * | 2017-01-19 | 2017-04-05 | 合肥中科离子医学技术装备有限公司 | A kind of novel high-frequency tuning slidingtype electrical contact contact |
| CN106558825B (en) * | 2017-01-19 | 2018-04-17 | 合肥中科离子医学技术装备有限公司 | A kind of high-frequency tuning slidingtype makes electrical contact with contact |
| WO2018133576A3 (en) * | 2017-01-19 | 2018-09-13 | 合肥中科离子医学技术装备有限公司 | Novel high frequency tuning slide-type electrical contact tip |
| US10342115B2 (en) | 2017-01-19 | 2019-07-02 | Hefei Cas Ion Medical And Technical Devices Co., Ltd. | High-frequency-tuning sliding electrical contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170804 Effective date of abandoning: 20180417 |