阅读说明：本技术 高频耦合器 (High-frequency coupler ) 是由 比嘉究作 于 2018-03-22 设计创作，主要内容包括：本发明的高速耦合器具备：导波管,具有设置成同轴管状的外导体及内导体,并从电源侧以直线状延伸而在弯曲部以L状弯曲,在加速腔侧以直线状延伸；及制冷剂流通部,具有流通管,所述流通管在弯曲部中从导波管的外部朝向加速腔侧贯穿外导体和内导体而与内导体的内部连接,在内导体中加速腔侧的前端部的内部与导波管的外部之间使制冷剂流通,流通管中暴露于在外导体与内导体之间形成的高频传输空间的部分由绝缘体形成。(High speed coupler of the invention has: waveguide pipe, has the outer conductor and inner conductor for being arranged to coaxial tubular, and from source side linearly to extend and in bending section with L sigmoid, in accelerating cavity side linearly to extend；And refrigerant throughput, with runner pipe, the runner pipe is connect through outer conductor and inner conductor with the inside of inner conductor in bending section from the outside of waveguide pipe towards accelerating cavity side, refrigerant is set to circulate between the inside of the front end of accelerating cavity side and the outside of waveguide pipe in inner conductor, the part that the high-frequency transmission space formed between outer conductor and inner conductor is exposed in runner pipe is formed by insulator.)

1. a kind of high-frequency coupler, has:

Waveguide pipe has the outer conductor and inner conductor for being arranged to coaxial tubular, and is being bent from source side linearly to extend Portion is with L sigmoid, in accelerating cavity side linearly to extend；And

Refrigerant throughput has runner pipe, and the runner pipe is in the bending section from the outside of the waveguide pipe towards institute Accelerating cavity side is stated to connect with the inside of the inner conductor, the institute in the inner conductor through the outer conductor and the inner conductor State makes refrigerant circulate between the inside of the front end of accelerating cavity side and the outside of the waveguide pipe, is exposed in the runner pipe The part in the high-frequency transmission space formed between the outer conductor and the inner conductor is formed by insulator.

2. high-frequency coupler according to claim 1, wherein

The waveguide pipe has the adjustment section for the electrical characteristic for adjusting the outer conductor and at least one party in the inner conductor.

3. high-frequency coupler according to claim 1 or 2, wherein

The runner pipe includes

1st pipe portion, is formed by insulator, and connects the outside of the waveguide pipe and the inside of the inner conductor；And

2nd pipe portion, is formed by metal, and is configured at the inside of the inner conductor, inside and the 1st pipe in the inner conductor Portion's connection, and the internal stretch along the front end of the inner conductor.

4. high-frequency coupler according to claim 1 or 2, wherein

The runner pipe is integrally formed by insulator.

5. high-frequency coupler according to claim 1 or 2, wherein

The runner pipe has main part and covering portion, and the main part is at least configured at the inside of the waveguide pipe and by metal It is formed, the covering portion is formed by insulator and covers the part for being exposed to the high-frequency transmission space in the main part.

Technical field

The present invention relates to a kind of high-frequency couplers.

Background technique

As the high frequency input unit for inputting high frequency in accelerating cavity to accelerator etc., it is known to high-frequency coupler.High frequency Coupler for example has the structure of the coaxial tubular with outer conductor and inner conductor.In this high-frequency coupler, to accelerating cavity When inputting high frequency, the front end fever of accelerating cavity side in inner conductor.Thus, for example by runner pipe made of metal from waveguide pipe Outside be inserted into the inside of inner conductor, and it is cooling (for example, referenced patent document to carry out so that refrigerant is circulated in runner pipe 1)。

Conventional art document

Patent document

Patent document 1: Japanese Patent Publication 5-129098 bulletin

Summary of the invention

The invention technical task to be solved

In above-mentioned high-frequency coupler, the height between outer conductor and inner conductor is crossed in order to avoid runner pipe made of metal Frequency transmission space uses the waveguide pipe of T font.Specifically, being set as such as flowering structure: make outer conductor and inner conductor with accelerating cavity The opposite side in side is prominent, and through the end of the projected direction of outer conductor, inner conductor is prominent to the outside of waveguide pipe.In the feelings Under condition, become such as flowering structure: runner pipe is directly inserted into the inside of inner conductor from the protrusion of inner conductor, runner pipe will not Cross high-frequency transmission space.However, needing the sky to the side outstanding protrusion opposite with accelerating cavity in this composition Between.

The present invention is completed in view of above-mentioned, and its purpose is to provide a kind of high frequency couplings that can be realized saving spatialization Clutch.

For solving the means of technical task

High-frequency coupler according to the present invention has: waveguide pipe, has the outer conductor for being arranged to coaxial tubular and interior leads Body, and from source side linearly to extend and in bending section with L sigmoid, in accelerating cavity side linearly to extend；And refrigerant Throughput has runner pipe, and the runner pipe is in the bending section from the outside of the waveguide pipe towards the accelerating cavity side It is connect with the inside of the inner conductor, the accelerating cavity side described in the inner conductor through the outer conductor and the inner conductor The inside of front end and the outside of the waveguide pipe between so that refrigerant is circulated, be exposed in the runner pipe and outer led described The part in the high-frequency transmission space formed between body and the inner conductor is formed by insulator.

According to the present invention, it is exposed between outer conductor and inner conductor in the runner pipe of refrigerant throughput and is formed by height The part of frequency transmission space is formed by insulator, therefore can be avoided the structure that electric conductor crosses high-frequency transmission space.As a result, without Waveguide pipe need to be branched off into the side opposite with accelerating cavity, and due to being formed as L shape towards accelerating cavity side in bending section, because This can be realized saving spatialization.

Also, the waveguide pipe can have the electrical spy for adjusting the outer conductor and at least one party in the inner conductor The adjustment section of property.

According to the present invention, due to adjusting the electrical characteristic of waveguide pipe by adjusting portion, it can reduce and be configured at height The insulator of frequency transmission space becomes influence when dielectric.

Also, the runner pipe can have: the 1st pipe portion is formed by insulator, and connect the waveguide pipe outside and The inside of the inner conductor；And the 2nd pipe portion, it is formed by metal, and be configured at the inside of the inner conductor, in the inner conductor It is internal to be connect with the 1st pipe portion, and the internal stretch along the front end of the inner conductor.

According to the present invention, by the 1st pipe portion for being configured at the insulator for crossing the part in high-frequency transmission space and in being configured at 2nd pipe portion of the high metal of the rigidity of the inside of conductor connects and forms runner pipe, is set to runner pipe so as to mitigate Work load when inner conductor, and can electric conductor easy to accomplish do not cross the structure in high-frequency transmission space.

Also, the runner pipe can integrally be formed by insulator.

According to the present invention, runner pipe is integrally formed by insulator, thus can electric conductor easy to accomplish do not cross height and keep pouring in The structure in defeated space.

Also, the runner pipe can have main part and covering portion, and the main part is at least configured at the waveguide pipe Inside and formed by metal, the covering portion, which is formed and covered by insulator, is exposed to the high-frequency transmission in the main part The part in space.

According to the present invention, by forming the main part of runner pipe by metal, work when can reduce setting runner pipe is negative Load.Also, by being exposed to the part in high-frequency transmission space by covering portion covering, can electric conductor easy to accomplish do not cross high frequency The structure of transmission space.

Invention effect

In accordance with the invention it is possible to provide a kind of high-frequency coupler that can be realized and save spatialization.

Detailed description of the invention

Fig. 1 is the cross-sectional view for indicating an example of high-frequency coupler involved in present embodiment.

Fig. 2 is the cross-sectional view for indicating an example of coupling part of the 1st pipe portion and the 2nd pipe portion.

Fig. 3 is the figure for indicating an example of reducing diameter part.

Fig. 4 is the cross-sectional view for indicating an example of high-frequency coupler involved in variation.

Fig. 5 is the cross-sectional view for indicating an example of high-frequency coupler involved in variation.

Fig. 6 is the cross-sectional view for indicating an example of high-frequency coupler involved in variation.

Specific embodiment

Hereinafter, being illustrated with reference to the accompanying drawings to the embodiment of high-frequency coupler according to the present invention.In addition, of the invention It is not limited to the embodiment.Also, the constituent element in following embodiments includes that those skilled in the art can replace And the constituent element or substantially the same constituent element being readily apparent that.

Fig. 1 is the cross-sectional view for indicating an example of high-frequency coupler 100 involved in present embodiment.As shown in Figure 1, high frequency Coupler 100 is used as high frequency being input to the high frequency input unit of the accelerating cavity 40 of accelerator.High-frequency coupler 100, which has, leads Wave duct 10 and refrigerant throughput 20.

Waveguide pipe 10 is by high-frequency RF 40 from power delivery to accelerating cavity.Waveguide pipe 10 has the 1st straight line portion 10a, bending section 10b and the 2nd straight line portion 10c.1st straight line portion 10a is for example connect with source side.Bending section 10b is formed as L shape, and it is straight to connect the 1st Line portion 10a and the 2nd straight line portion 10c.2nd straight line portion 10c is from bending section 10b towards accelerating cavity 40 linearly to extend.

Waveguide pipe 10 has the structure of the coaxial tubular with outer conductor 11 and inner conductor 12.Outer conductor 11 and inner conductor 12 It is formed using conductors such as metals.Outer conductor 11 and inner conductor 12 have straight with the 1st straight line portion 10a, bending section 10b and the 2nd respectively Corresponding 1st straight line portion, 1 1a of line portion 10c, 12a, 1 1b of bending section, 12b, the 2nd straight line portion 1 1c, 12c.Outer conductor 11 with High-frequency transmission space K is formed between inner conductor 12.High-frequency transmission space K is the high-frequency transmission path by high frequency RF transmission.

Waveguide pipe 10 has adjustment section 13.Adjustment section 13 by adjusting the electrical characteristic of waveguide pipe 10 come reduce by it is aftermentioned absolutely The influence of the variation of electrical characteristic caused by edge body.In the present embodiment, adjustment section 13 is, for example, from the outside of inner conductor 12 Protruding portion outstanding, but not limited to this.Adjustment section 13 can be configured at outer conductor 11.

Waveguide pipe 10 has window portion 14.Window portion 14 is configured at high-frequency transmission space K.Window portion 14 insulate such as using ceramics Body is formed.Therefore, high-frequency RF is made to pass through window portion 14.Window portion 14 is clipped in outer conductor 11 and inner conductor 12 for example formed as ring-type Between.By this window portion 14, high-frequency RF can be transmitted, while keeping the positional relationship between outer conductor 11 and inner conductor 12.

Refrigerant throughput 20 is used in the refrigerant C circulation of the front end 12d of 40 side of accelerating cavity in cooling inner conductor 12. When high-frequency RF is input to accelerating cavity 40, front end 12d's high-frequency coupler 100 of inner conductor 12 generates heat.Therefore, pass through and configure Refrigerant throughput 20 cools down the front end 12d of inner conductor 12.

Refrigerant throughput 20 has runner pipe 25 and refrigerant supply source (not shown).Runner pipe 25 is in bending section 10b Make outer conductor 11 and inner conductor 12 along the direction parallel with the 2nd straight line portion 10c from the outside of waveguide pipe 10 towards 40 side of accelerating cavity Run through and is connect with the inside 12K of inner conductor 12.That is, runner pipe 25, which becomes from the outside of waveguide pipe 10, is inserted into inner conductor 12 The state of internal 12K.

Runner pipe 25 has the 1st pipe portion 21, the 2nd pipe portion 22 and connector portions 23.1st pipe portion 21 is passed through from the outside of waveguide pipe 10 Inner conductor 12 is worn, and configures the position of the midway of the 2nd straight line portion 12c into inside 12K.Therefore, the 1st pipe portion 21 is to cross high frequency The mode of transmission space K configures.1st pipe portion 21 is formed such as the insulators such as ceramic (aluminium oxide ceramics), plastics, mica. It is 1 × 10 as this insulator, such as using resistance value¹²Material more than [Ω cm].

2nd pipe portion 22 is connect with the 1st pipe portion 21.2nd pipe portion 22 is arranged from the end of the 1st pipe portion 21 to before inner conductor 12 End 12d.Therefore, the 2nd pipe portion 22 is integrally provided in the inside 12K of inner conductor 12.2nd pipe portion 22 uses the metals shapes such as stainless steel At.Therefore, the 2nd pipe portion 22 the inside 12K of inner conductor 12 can be with desired rigid state configuration.

In above-mentioned runner pipe 25, the 1st pipe portion 21 is configured in a manner of the high-frequency transmission space K for crossing inner conductor 12, and And it is exposed to the outer surface generally insulator of high-frequency transmission space K.On the other hand, the 2nd pipe portion formed by conductor (metal) 22 are not exposed to high-frequency transmission space K.Therefore, high-frequency transmission space K is in the unexposed state of metal, can transmit high frequency RF。

Fig. 2 is the cross-sectional view for indicating an example of coupling part of the 1st pipe portion 21 and the 2nd pipe portion 22.As shown in Fig. 2, the 1st pipe Portion 21 and the 2nd pipe portion 22 are linked by connector portions 23.1st pipe portion 21 has double pipe structure.1st pipe portion 21 is with inner tube 21a and outside Pipe 21b.Inner tube 21a is connect with the supply source of refrigerant C.Flow path 21c is formed in inner tube 21a.In flow path 21c, refrigerant C from The inside 12K of the outside of waveguide pipe 10 towards inner conductor 12 circulates.

Outer tube 21b is arranged to encapsulate inner tube 21a.Flow path 21d is formed between outer tube 21b and inner tube 21a.From the 2nd pipe The refrigerant C that portion 22 returns circulates in flow path 21d.Outer tube 21b can be with configuration space part etc., so as between inner tube 21a It is reliably formed space.

2nd pipe portion 22 has double pipe structure with the coupling part of the 1st pipe portion 21.2nd pipe portion 22 is with inner tube 22a and outside Pipe 22b.Inner tube 22a is connect with the inner tube 21a of the 1st pipe portion 21, and is configured through aftermentioned reducing diameter part 12e to inner conductor 12 Near the 12d of front end.Inner tube 22a has the end 22e configured towards front end 12d.End 22e is opened.In inner tube 22a It is formed with flow path 22c.In flow path 22c, the refrigerant C of the flow path 21c from the 1st pipe portion 21 is towards the front end of inner conductor 12 12d circulation.

Outer tube 22b is arranged to encapsulate inner tube 22a.Flow path 22d is formed between outer tube 22b and inner tube 22a.From inner conductor The refrigerant C that 12 front end 12d is returned circulates in flow path 22d.Outer tube 22b can configured with spacer etc., so as to Space is reliably formed between inner tube 22a.In outer tube 22b the end of 40 side of accelerating cavity with to the contracting outstanding of the inside of inner conductor 12 The 12e connection of diameter portion.

Fig. 3 is the figure for indicating an example of reducing diameter part 12e.As shown in figure 3, reducing diameter part 12e subtracts in a part of inner conductor 12 Small internal diameter.Reducing diameter part 12e is set to the inner tube 22a that internal diameter is greater than the 2nd pipe portion 22, to ensure refrigerant C between inner tube 22a Sufficient space needed for circulation.In the present embodiment, the internal diameter of reducing diameter part 12e can be set as big with the internal diameter of outer tube 22b Cause identical, but not limited to this.

In above-mentioned refrigerant throughput 20, refrigerant C is in the flow path 21c of the inner tube 21a of the 1st pipe portion 21 from waveguide pipe 10 outside is flowed towards 40 side of accelerating cavity, flows into the inner tube of the 2nd pipe portion 22 in the connector portions 23 of the inside 12K of inner conductor 12 In the flow path 22c of 22a.Refrigerant C flows in flow path 22c towards 40 side of accelerating cavity, and from the end 22e of the 2nd pipe portion 22 It is flowed out to the inside 12K of inner conductor 12.

Refrigerant C is flowed using the inside 12K of inner conductor 12 as flow path towards the bending section side 10b, and via reducing diameter part 12e Flow into flow path 22d.Refrigerant C flows in flow path 22d towards the bending section side 10b, flows into the outer of the 1st pipe portion 21 in connector portions 23 The flow path 21d of pipe 21b.Also, refrigerant C is further flowed to the bending section side 10b in flow path 21d, and to waveguide pipe 10 Outside outflow.The circulation mechanism for for example discharging the heat of refrigerant C and returning to flow path 21c can be set in flow path 21d.

As described above, high-frequency coupler 100 involved in present embodiment has: waveguide pipe 10 has and is arranged to together The outer conductor 11 and inner conductor 12 of central siphon shape, and added from source side with linearly extending in bending section 10b with L sigmoid Fast 40 side of chamber is linearly to extend；And refrigerant throughput 20, with runner pipe 25, the runner pipe 25 is in bending section 10b In connect through outer conductor 11 and inner conductor 12 with the inside 12K of inner conductor 12 from the outside of waveguide pipe 10 towards 40 side of accelerating cavity It connects, circulate refrigerant C between the inside of the front end 12d of inner conductor 12 and the outside of waveguide pipe 10, exposure in runner pipe 25 It is formed in the part of high-frequency transmission space K by insulator.

In this configuration, runner pipe 25 is configured from the outside of waveguide pipe 10 towards the inside 12K of inner conductor 12, makes refrigerant C circulates in runner pipe 25, so as to the front end 12d of cooling inner conductor 12.Also, outer conductor 11 is exposed in runner pipe 25 The part that high-frequency transmission space K is formed by between inner conductor 12 is formed by insulator, therefore be can be avoided electric conductor and crossed The structure of high-frequency transmission space K.As a result, it is not necessary that waveguide pipe 10 to be branched off into the side opposite with accelerating cavity 40, and due to Be formed as L shape towards accelerating cavity side 40 in the 10b of bending section, therefore can be realized saving spatialization.

Also, high-frequency coupler 100 involved in present embodiment will be by that will be configured at the portion for crossing high-frequency transmission space K Point insulator the 1st pipe portion 21 and the inside 12K for being configured at inner conductor 12 the high metal of rigidity the connection of the 2nd pipe portion 22 and Runner pipe 25 is formed, runner pipe 25 is set to work load when inner conductor 12 so as to mitigate, and reality can be easy Existing electric conductor does not cross the structure of high-frequency transmission space K.

Technical scope of the invention is not limited to the above embodiment, can be in the range for not departing from spirit of the invention Inside suitably changed.For example, in the above-described embodiment, the exhausted of the part for crossing high-frequency transmission space K will be configured at 2nd pipe portion 22 of the 1st pipe portion 21 of the edge body metal high with the rigidity for the inside 12K for being configured at inner conductor 12 connect and forms stream It is illustrated for the structure of siphunculus 25, but not limited to this.

Fig. 4 is the cross-sectional view for indicating an example of high-frequency coupler 100A involved in variation.In high frequency as shown in Figure 4 In coupler 100A, the runner pipe 24 of refrigerant throughput 20A is whole to be formed by insulator.Runner pipe 24 has double pipe structure. Runner pipe 24 has inner tube 24a and outer tube 24b.Inner tube 24a is connect with the supply source of refrigerant C, and is matched through reducing diameter part 12e It sets to the front end 12d of inner conductor 12.Inner tube 24a has the end 24e configured towards front end 12d.End 24e quilt It opens.Flow path 24c is formed in inner tube 24a.In flow path 24c, refrigerant C is passed to end 24e from supply source.Outer tube 24b It is arranged to encapsulate inner tube 24a.In outer tube 22b the end of 40 side of accelerating cavity with to the inside of inner conductor 12 reducing diameter part 12e outstanding Connection.Flow path 24d is formed between outer tube 24b and inner tube 24a.It is returned from the front end 12d of inner conductor 12 via reducing diameter part 12e The refrigerant C returned circulates in flow path 24d.

Outer tube 22b is arranged to encapsulate inner tube 22a.Flow path 22d is formed between outer tube 22b and inner tube 22a.From inner conductor The refrigerant C that 12 front end 12d is returned circulates in flow path 22d.Outer tube 22b can configured with spacer etc., so as to Space is reliably formed between inner tube 22a.

According to this structure, runner pipe 24 is configured from the outside of waveguide pipe 10 towards the inside of inner conductor 12, refrigerant C is made to exist Runner pipe 24 circulates, so as to the front end 12d of cooling inner conductor 12.Also, runner pipe 24 is whole to be formed by insulator, because This can electric conductor easy to accomplish do not cross the structure of high-frequency transmission space K.

Fig. 5 is the cross-sectional view for indicating an example of high-frequency coupler 100B involved in variation.High frequency coupling shown in Fig. 5 In clutch 100B, the runner pipe 25B of refrigerant throughput 20B has main part 27 and covering portion 28.Main part 27 is whole by gold Belong to and being formed.Main part 27 has double pipe structure.Main part 27 has inner tube 27a and outer tube 27b.The knot of inner tube 27a and outer tube 27b Structure can be set as structure identical with inner tube 24a shown in Fig. 4 and outer tube 24b other than material.

Covering portion 28 is formed by insulator, and covers the part that high-frequency transmission space K is exposed in main part 27.According to this Structure can reduce work load when setting runner pipe 25B by forming the main part 27 of runner pipe 25B by metal.And And be exposed to the part of high-frequency transmission space K by being covered by covering portion 28, can electric conductor easy to accomplish do not cross height and keep pouring in The structure of defeated space K.

Also, in the above-described embodiment, it is set as being inserted into runner pipe 24,25,25B from the structure of outside insertion, but simultaneously It is not limited to this.Fig. 6 is the cross-sectional view for indicating an example of high-frequency coupler 100C involved in variation.High frequency shown in fig. 6 In coupler 100C, the branch portion 12f of inner conductor 12 to the bending section side 10b linearly to extend, the guide through outer conductor 11 The external of wave duct 10 protrudes.

In Fig. 6, refrigerant throughput 20C has the runner pipe 29 for the inside 12K for being configured at inner conductor 12.Runner pipe 29 Inside be formed with flow path 29K.Refrigerant C circulates in flow path 29K and flows into the front end 12d of inner conductor 12.Also, freeze Agent C returns to the outside of waveguide pipe 10 from front end 12d via the inside 12K and branch portion 12f of inner conductor 12.

According to this structure, the inside 12K of inner conductor 12 can be effectively served as to the flow path of refrigerant C.Also, inner conductor The covering portion 26 that the outer surface insulated body of the part of high-frequency transmission space K is configured in 12 branch portion 12f covers.As a result, It can be easily implemented the structure that electric conductor does not cross high-frequency transmission space K.

Symbol description

10- waveguide pipe, the 1st straight line portion 10a, 11a, 12a-, the bending section 10b, 11b, 12b-, 10c, 11c, 12c- the 2nd are straight Line portion, 11- outer conductor, 12- inner conductor, the front end 12d-, 12e- reducing diameter part, inside 12K-, 13- adjustment section, 14- window portion, 20, 20A, 20B, 20C- refrigerant throughput, the 1st pipe portion of 21-, 21a, 22a, 24a, 27a- inner tube, outside 21b, 22b, 24b, 27b- Pipe, 21c, 21d, 22c, 22d, 24c, 24d, 29K- flow path, the 2nd pipe portion of 22-, the end 22e, 24e-, 23- connector portions, 24,25, 25B, 29- runner pipe, 26,28- covering portion, 27- main part, 40- accelerating cavity, 100,100A, 100B, 100C- high-frequency coupler, C- refrigerant, K- high-frequency transmission space, RF- high frequency.