CN106783475B - Spaceborne klystron radiator - Google Patents
Spaceborne klystron radiator Download PDFInfo
- Publication number
- CN106783475B CN106783475B CN201710115823.2A CN201710115823A CN106783475B CN 106783475 B CN106783475 B CN 106783475B CN 201710115823 A CN201710115823 A CN 201710115823A CN 106783475 B CN106783475 B CN 106783475B
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- Prior art keywords
- radiator
- klystron
- collector
- heat
- drift section
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/005—Cooling methods or arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/027—Collectors
- H01J23/033—Collector cooling devices
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The present invention provides a kind of spaceborne klystron radiators, comprising: drift section radiator is set to the lower part of klystron, the drift section lower contacts with the klystron, the heat generated for conducting the klystron drift section；Collector radiator is set to velocity modulation tube end, contacts with the collector of the klystron, the heat generated for conducting the klystron collector；Coldplate, while being contacted with the drift section radiator and collector radiator bottom；For conducting the heat of the drift section radiator and collector radiator.The spaceborne klystron heat-diffusing efficiency of heat abstractor of the present invention is high, small in size, at low cost, light weight, and structure is simple；In addition, can radiate, will not be affected to magnetic field suitable for Satellite-borne High Power klystron with flexible modulation heat-sinking capability, the device by changing heat pipe quantity and thickness or changing heat spreader structures.
Description
Technical field
The present invention relates to space electronic device cooling technique field more particularly to a kind of spaceborne klystron radiators.
Background technique
Thermal characteristics is one very important index of high-power klystron, affects the stability and reliability of device.Greatly
The beam power of power klystron is up to bombardment of the tens of kilowatt to several megawatts, due to high energy electron to collector and drift tube
And amount of heat is generated, cause collector local temperature to can achieve several hundred degrees Celsius.If device inside temperature is excessively high, entirely
Klystron reliability and stability will be severely impacted, or even damage, need to take various effective measures to reduce device temperature
Degree.
Currently, being directed to klystron, when its mean power is smaller, is generally radiated using forced air cooling, design is needed to have
The collector of heat-dissipating fin.If mean power is larger, water-cooling is generally used.The selection of coolant liquid depends primarily on klystron
Distilled water or deionized water can be used if klystron is in working and room temperature in the environment used, should use at low ambient temperatures antifreeze
Glycol water can be used in liquid.It is logical by adjusting inlet water pressure, water temperature, coolant liquid composition and optimization collector coolant liquid
The parameters such as road, water cooling method can satisfy the cooling requirements of most high-power klystrons.
To sum up, existing spaceborne klystron not yet occurs using heat loss through conduction formula, predominantly water cooling, wind-cooling heat dissipating mode,
However, it has the following deficiencies:
(1) traditional water cooling, air-cooled klystron, using coolant liquid, cooling duct and cooling liquid supply system, structure is complicated,
Difficulty of processing is high, and stability is insufficient, and radiating efficiency is low.
(2) in space, it is gaseous state that liquid, which directly volatilizees, dissipates space-ward, water cooling and forced air cooling heat dissipation side used in ground
Formula can not all work.
(3) to use ground radiating mode it is necessary to realize the air pressure environment on ground in space, the device is complicated, expensive.
With the development of international aerospace electronic warfare and satellite technology, the demand to klystron space application is increasingly compeled
It cuts, while being also badly in need of adjusted design idea and method, design the radiator of suitable space hypobaric.
Summary of the invention
(1) technical problems to be solved
In view of above-mentioned technical problem, the present invention provides a kind of spaceborne klystron radiators, and radiating efficiency is high, volume
Small, at low cost, light weight and structure are simple；Changing heat pipe quantity and thickness or changing heat spreader structures can be radiated with flexible modulation
Ability.The device radiates suitable for Satellite-borne High Power klystron, will not affect to magnetic field.
(2) technical solution
According to an aspect of the invention, there is provided a kind of spaceborne klystron radiator, comprising: drift section radiator,
It is set to the lower part of klystron, the drift section lower contacts with the klystron are generated for conducting the klystron drift section
Heat；Collector radiator is set to velocity modulation tube end, contacts with the collector of the klystron, for conducting the speed
The heat for adjusting pipe collector to generate；Coldplate, while being contacted with the drift section radiator and collector radiator bottom；For
Conduct the heat of the drift section radiator and collector radiator.
Preferably, in the spaceborne klystron radiator of the present invention, further includes: heat pipe is arranged in the collector radiator
And/or on drift section radiator.
Preferably, in the spaceborne klystron radiator of the present invention, in the collector radiator and/or drift section radiator
Surface setting is fluted, and the heat pipe is set in the groove, and one end of heat pipe is directly contacted with collector and/or drift section,
The other end is directly contacted with coldplate.
Preferably, in the spaceborne klystron radiator of the present invention, the collector radiator includes: pedestal, upper part shape
At an arc-shaped curved cavity；And cover board, its underpart form an arc-shaped curved cavity；The two is oppositely arranged to form a cylinder
Cavity, for accommodating the collector of the klystron.
Preferably, in the spaceborne klystron radiator of the present invention, the susceptor surface of the collector radiator is equipped with multiple
Groove, is equipped with heat pipe in the multiple groove, and the tube surface is flushed with the susceptor surface；Wherein, the heat pipe
The outer diameter of size and the collector matches to completely attach to.
Preferably, it in the spaceborne klystron radiator of the present invention, is adopted between the pedestal and cover board of the collector radiator
It is connected with adjusting part, surface contact conditions is improved by the adjusting part.
Preferably, in the spaceborne klystron radiator of the present invention, the material of the collector radiator and drift section radiator
Matter is red copper or duralumin.
Preferably, in the spaceborne klystron radiator of the present invention, the groove period length of the collector foot of radiator
For 10~15mm, heat pipe width is 5~10mm.
Preferably, in the spaceborne klystron radiator of the present invention, between the heat pipe and groove, the collector and heat
Heat-conducting glue is equipped between pipe, cover board and pedestal.
Preferably, in the spaceborne klystron radiator of the present invention, curved cavity is formed at drift section radiator top；It should
The shape and size of curved cavity and the drift section shape of the klystron and size one show full contact.
(3) beneficial effect
It can be seen from the above technical proposal that the spaceborne klystron radiator of the present invention at least has the advantages that it
One of:
(1) existing spaceborne klystron radiator mainly uses water cooling, wind-cooling heat dissipating mode, the spaceborne klystron of the present invention
Radiator uses heat loss through conduction mode, gets rid of the limitation of water cooling and the traditional heat-dissipatings mode such as air-cooled.
(2) spaceborne klystron radiator includes collector radiator, drift section radiator and coldplate, and receipts are respectively adopted
The radiator structure that collector and drift section are adapted carries out heat loss through conduction, is transferred at temperature control system by constant temperature cold plate in satellite capsule
Reason eliminates the waterway channel of traditional water cooling klystron drift section and collector internal coolant and the coolant liquid supply outside pipe
System, internal structure is simpler, and difficulty of processing reduces, and klystron stability is more preferable.
(3) combination for passing through heat pipe and metal conduction radiator, further improves heat-sinking capability, heat is greatly improved
Conduction efficiency effectively reduces temperature in pipe；In the case where not increasing the contact area of drift section radiator, drift section temperature
It still can readily drop to copper and evapotranspire temperature hereinafter, significantly reducing the difficulty of drift section thermal design.
(4) pass through opposite heat tube shape, the reasonable setting of structure and size, so that the volume of the radiator, weight are obvious
Reduce, has catered to the demand of Satellite Payloads miniaturization.
Detailed description of the invention
By the way that shown in attached drawing, above and other purpose of the invention, feature and advantage will be more clear.In all the attached drawings
Identical appended drawing reference indicates identical part.Attached drawing deliberately is not drawn by actual size equal proportion scaling, it is preferred that emphasis is is shown
Purport of the invention out.
Fig. 1 is the structural schematic diagram of the spaceborne klystron radiator of the embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the collector radiator of the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the pedestal of the collector radiator of the embodiment of the present invention.
Fig. 4 is the front view of the heat pipe of the collector radiator of the embodiment of the present invention.
Fig. 5 is the side view of the heat pipe of the collector radiator of the embodiment of the present invention.
Fig. 6 is the drift section radiator of the embodiment of the present invention and its structural schematic diagram of heat pipe.
Fig. 7 is temperature profile of the spaceborne klystron in high frequency output state of the embodiment of the present invention.
[main element]
1- klystron；2- drift section radiator；3- collector radiator；4- coldplate；31- cover board；32- heat pipe；The bottom 33-
Seat.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
It should be noted that similar or identical part all uses identical figure number in attached drawing or specification description.It is attached
The implementation for not being painted or describing in figure is form known to a person of ordinary skill in the art in technical field.In addition, though this
Text can provide the demonstration of the parameter comprising particular value, it is to be understood that parameter is equal to corresponding value without definite, but can connect
It is similar to be worth accordingly in the error margin or design constraint received.The direction term mentioned in embodiment, for example, "upper", "lower",
"front", "rear", "left", "right" etc. are only the directions with reference to attached drawing.Therefore, the direction term used is for illustrating not to use
To limit the scope of the invention.
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
The present invention provides a kind of spaceborne klystron radiators.Fig. 1 is that the spaceborne klystron of the embodiment of the present invention radiates
The structural schematic diagram of device.Fig. 1 is please referred to, spaceborne klystron radiator includes:
Drift section radiator 2 is set to the lower part of klystron 1, the drift section lower contacts with the klystron, for passing
Lead the heat that the klystron drift section generates；
Collector radiator 3 is set to 1 end of klystron, contacts with the collector of the klystron, described for conducting
The heat that klystron collector generates；
Coldplate 4, while being contacted with the drift section radiator 2 and 3 bottom of collector radiator；For conducting the drift
Move the heat of section radiator and collector radiator.
In order to reinforce radiating, the klystron radiator further includes heat pipe, be set to the collector radiator and/or
On drift section radiator, the spaceborne klystron radiator based on hot pipe technique is thus constituted.Preferably, the radiator
In, the drift section radiator and/or collector radiator, surface opens up fluted, and heat pipe is arranged in the groove.The heat
Pipe one end is directly contacted with collector and/or drift section, and the other end is directly contacted with coldplate 4.Since the heat pipe has pole
Strong heat-sinking capability and isothermal characteristics, so as to which heat is quickly introduced coldplate 4, coldplate 4 is constant temperature cold plate in satellite capsule,
It transfers to temperature control system to handle by constant temperature cold plate in satellite capsule, reaches good heat dissipation effect.
More specifically, the heat pipe has the bending structure that matches with the collector or drift section, with it is described
Collector or drift section completely attach to, and the groove of the radiator is also consistent with heat pipe section, and can be in the heat pipe table
Heat-conducting glue etc. is added to increase contact in face.Preferably, between the heat pipe and groove, the collector and heat pipe, cover board and bottom
Heat-conducting glue is equipped between seat.
The material of the collector radiator and drift section radiator can be copper or aluminium, preferably red copper or duralumin.Wherein,
The material of collector radiator is preferably duralumin, and duralumin density is small can further to mitigate weight；Drift section radiator material is excellent
It is selected as red copper, although adding somewhat to weight, in the lesser situation of the contact surface of drift section radiator and drift section
Under, be conducive to improve radiating efficiency using the higher material of thermal coefficient.
The collector radiator knot of the spaceborne klystron radiator of the embodiment of the present invention is discussed in detail below with reference to Fig. 2-5
Structure.
Fig. 2 is the structural schematic diagram of the collector radiator of the spaceborne klystron radiator of the embodiment of the present invention.Come in
One step refers to Fig. 2, and the collector radiator includes: cover board 31 and pedestal 33.
It is connected and fixed between the pedestal and cover board of the collector radiator using adjusting part, passes through the adjustable section
Part adjusting elasticity improves surface contact conditions.The adjusting part is preferably bolt.Wherein, the pedestal top forms one
Arc-shaped curved cavity；Correspondingly, an arc-shaped curved cavity is formed at the cover board lower part；The two is oppositely arranged to form a cylinder
Shape cavity, for accommodating the collector of the klystron, the cavity structure and the collector are in close contact.
Preferably, the pedestal of the radiator, collector radiator will guarantee closely to connect with cover board, avoid and receive
Collector forms gap.
Fig. 3 is the structural schematic diagram of the pedestal of the collector radiator of the embodiment of the present invention.As shown in figure 3, the collection
One rectangle curved cavity is formed at the pedestal lower part of pole radiator, and to mitigate the weight of whole device, collector radiator bottom is connect
Copper sheet, the copper sheet are connect with the heat pipe one end being laid with.
Multiple grooves are equipped in the susceptor surface of the collector radiator, heat pipe 32 is equipped in the multiple groove,
The size for the groove that the surface of the collector foot of radiator is formed and the size of heat pipe are adapted, the tube surface and institute
It states susceptor surface to flush, to come into full contact with collector.
Preferably, heat pipe also can be set on the cover board, thus spaceborne klystron radiator can reach more good
Heat dissipation effect.In addition, the cover board can clip unwanted part according to heat flux distribution with loss of weight.The spaceborne klystron
Radiator removes some materials of other heat flow density smaller areas on the basis of heat analysis, to mitigate weight.
Fig. 4 is the front view of the heat pipe of the collector radiator of the embodiment of the present invention.Wherein, the heat pipe sizes R needs
It takes compared with closed tolerance, the outer diameter of size R and the collector matches to completely attach to.Heat pipe on the collector radiator
End is connected with copper sheet, and the thickness t of copper sheet is 5-10mm.
The side view of the heat pipe of the collector radiator of the embodiment of the present invention is as shown in figure 5, collector radiator bottom
On seat on length L, including multiple groove periods, wherein d1 is groove period length, and d2 is heat pipe width, can be specific according to heat pipe
Size model number and thermal design are adjusted.In the present embodiment, groove period length d1 is preferably 10~15mm, and heat pipe width d2 is excellent
It is selected as 5~10mm.
Fig. 6 is the drift section heat spreader structures schematic diagram of the spaceborne klystron radiator of the embodiment of the present invention.Wherein, scheme
A is heat pipe and drift section assembling radiator structural schematic diagram in 6, and b is the structural representation of the heat pipe of drift section radiator in Fig. 6
Figure.Wherein, curved cavity is formed at drift section radiator top；The shape and size of the curved cavity and the klystron
Drift section shape and size one show full contact.Since the specific structure of drift section radiator, principle and the collector dissipate
Hot device pedestal is similar, and details are not described herein again.
Fig. 7 is temperature profile of the spaceborne klystron in high frequency output state of the embodiment of the present invention.As shown in fig. 7, adopting
Maximum temperature in klystron can be down to 300 degree with spaceborne klystron radiator provided in an embodiment of the present invention, and (copper evapotranspires temperature
Degree) below.
The spaceborne klystron radiator of the embodiment of the present invention, its working principles are as follows:
Klystron since power is larger, at work due to electronics, which is infused, to be bombarded the heat that generates be concentrated mainly on collector with
And drift section is latter half of.Correspondingly, klystron radiator provided by the embodiment of the present invention, including drift section radiator, if
It is placed in the lower part of klystron, the drift section lower contacts with the klystron produce to conduct the klystron drift section in time
Raw heat；Collector radiator is set to velocity modulation tube end, contacts with the collector of the klystron, to conduct in time
The heat that the klystron collector generates；Coldplate, while being connect with the drift section radiator and collector radiator bottom
Touching；To conduct the heat of the drift section radiator and collector radiator in time.Opened up in each spreader surface it is fluted,
Heat pipe is equipped in groove.Described heat pipe one end is directly contacted with collector and/or drift section, the other end directly with it is permanent in satellite capsule
Warm cold plate contact, since the heat pipe has extremely strong heat-sinking capability and isothermal characteristics, so as to quickly introduce heat in cabin
Cold plate transfers to temperature control system to handle.The radiator can get rid of dependence of the high-power klystron to ground traditional heat-dissipating mode,
The heat dissipation problem of its space application of effective solution.
The foregoing description of the disclosed embodiments makes professional and technical personnel in the field can be realized or use the application.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the application.Therefore, the application
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
It should be noted that in attached drawing or specification text, the implementation for not being painted or describing is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and method is simultaneously
It is not limited only to various specific structures, shape or the mode mentioned in embodiment, those of ordinary skill in the art can carry out letter to it
It singly changes or replaces, such as:
(1) thickness size of groove period length d1, the heat pipe width d2 of klystron radiator and copper sheet etc. can be with
Adjustment appropriate is carried out, does not influence realization of the invention；
(2) other can also be used in addition to being fixed using bolt between the pedestal and cover board of collector radiator
Mode be fixedly connected, do not influence realization of the invention.
(3) in the case where the pedestal of collector radiator is not laid with heat pipe, which can be not provided with cavity, can also
To realize the present invention.
In conclusion spaceborne klystron heat-diffusing efficiency of heat abstractor provided by the invention is high, small in size, at low cost, quality
Gently, structure is simple；And it can be by changing heat pipe quantity and thickness or changing heat spreader structures flexible modulation heat-sinking capability.In addition,
Different using " vertical " formula working method from existing most of klystrons, klystron of the present invention uses " sleeping " formula working method, thus
It realizes more fully contact and smaller heat conducts distance.The device recalculates and has adjusted the structure of focusing magnetic field and sets
Meter, leaves the coupled room of drift section conductive heat spreader, will not electron optical system bring significant adverse to influence, it is very suitable
It radiates for Satellite-borne High Power klystron.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (8)
1. a kind of spaceborne klystron radiator characterized by comprising
Drift section radiator is set to the lower part of klystron, the drift section lower contacts with the klystron, described for conducting
The heat that klystron drift section generates；
Collector radiator is set to velocity modulation tube end, contacts with the collector of the klystron, for conducting the klystron
The heat that collector generates；
Coldplate, while being contacted with the drift section radiator and collector radiator bottom；It is dissipated for conducting the drift section
The heat of hot device and collector radiator；And
Heat pipe is arranged on the collector radiator and/or drift section radiator；
Wherein, fluted in the collector radiator and/or the setting of drift section spreader surface, the heat pipe is set to described recessed
In slot, one end of heat pipe is directly contacted with collector and/or drift section, and the other end is directly contacted with coldplate.
2. spaceborne klystron radiator according to claim 1, which is characterized in that the collector radiator includes:
Pedestal, upper part form an arc-shaped curved cavity；And
Cover board, its underpart form an arc-shaped curved cavity；The two is oppositely arranged to form a cylindrical cavity, described for accommodating
The collector of klystron.
3. spaceborne klystron radiator according to claim 2, which is characterized in that the susceptor surface is equipped with multiple recessed
Slot, is equipped with heat pipe in the multiple groove, and the tube surface is flushed with the susceptor surface；Wherein, the ruler of the heat pipe
It is very little to match with collector outer diameter to completely attach to.
4. spaceborne klystron radiator according to claim 2, which is characterized in that used between the pedestal and cover board
Adjusting part connection improves surface contact conditions by the adjusting part.
5. spaceborne klystron radiator according to claim 1, which is characterized in that the collector radiator and drift
The material of section radiator is red copper or duralumin.
6. spaceborne klystron radiator according to claim 3, which is characterized in that the collector foot of radiator
Groove period length is 10~15mm, and heat pipe width is 5~10mm.
7. spaceborne klystron radiator according to claim 3, which is characterized in that between the heat pipe and groove, institute
It states and is equipped with heat-conducting glue between collector and heat pipe, cover board and pedestal.
8. spaceborne klystron radiator according to claim 1, which is characterized in that drift section radiator top shape
At curved cavity；The shape and size of the curved cavity are shown with the drift section shape of the klystron and size one to be connect completely
Touching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115823.2A CN106783475B (en) | 2017-03-01 | 2017-03-01 | Spaceborne klystron radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115823.2A CN106783475B (en) | 2017-03-01 | 2017-03-01 | Spaceborne klystron radiator |
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| Publication Number | Publication Date |
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| CN106783475A CN106783475A (en) | 2017-05-31 |
| CN106783475B true CN106783475B (en) | 2019-02-15 |
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ID=58960209
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003346670A (en) * | 2002-05-29 | 2003-12-05 | Toshiba Corp | Klystron device |
| CN101740296A (en) * | 2008-11-19 | 2010-06-16 | 中国科学院电子学研究所 | Lateral side cooling structure for drift section of sheet beam klystron |
| JP2014139886A (en) * | 2013-01-21 | 2014-07-31 | Toshiba Corp | Klystron |
| CN105590818A (en) * | 2014-10-21 | 2016-05-18 | 核工业西南物理研究院 | Klystron base |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2428513A (en) * | 2005-07-20 | 2007-01-31 | E2V Tech | Collector cooling arrangement |
-
2017
- 2017-03-01 CN CN201710115823.2A patent/CN106783475B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003346670A (en) * | 2002-05-29 | 2003-12-05 | Toshiba Corp | Klystron device |
| CN101740296A (en) * | 2008-11-19 | 2010-06-16 | 中国科学院电子学研究所 | Lateral side cooling structure for drift section of sheet beam klystron |
| JP2014139886A (en) * | 2013-01-21 | 2014-07-31 | Toshiba Corp | Klystron |
| CN105590818A (en) * | 2014-10-21 | 2016-05-18 | 核工业西南物理研究院 | Klystron base |
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| CN106783475A (en) | 2017-05-31 |
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