CN102012502B - Closed high-power travelling wave tube transmitter with phase change heat radiator - Google Patents

Closed high-power travelling wave tube transmitter with phase change heat radiator Download PDF

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Publication number
CN102012502B
CN102012502B CN2010102981225A CN201010298122A CN102012502B CN 102012502 B CN102012502 B CN 102012502B CN 2010102981225 A CN2010102981225 A CN 2010102981225A CN 201010298122 A CN201010298122 A CN 201010298122A CN 102012502 B CN102012502 B CN 102012502B
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China
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wave tube
casing
low
travelling
power supply
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Expired - Fee Related
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CN2010102981225A
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Chinese (zh)
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CN102012502A (en
Inventor
梁雪松
吴学群
陈君
刘一鸣
蒋洪卫
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NO 723 RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp
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NO 723 RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp
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Abstract

The invention discloses a closed high-power travelling wave tube transmitter with a phase change heat radiator, belonging to the field of a ship borne high-power radar signal environment simulator. The high-power travelling wave tube transmitter comprises a travelling wave tube, a feeder line, a high-voltage line junction box, a high-voltage module, a low-voltage module, a field amplifier, a power supply, an isolator and a phase change heat radiator. When the phase change heat radiator with a low-temperature liquid area, a copper pipe, a high-temperature gas area and heat radiation teeth is used for cooling, cooling liquid in the high-temperature gas area is liquefied under the action of the low-temperature liquid area and flows back under the action of gravity so as to achieve the integral heat balance and ensure that the transmitter does not need to adopt the traditional heat radiation manner. The closed high-power travelling wave tube transmitter with the phase change heat radiator has simple structure, low cost and high reliability. The components such as the high-voltage module, the low-voltage module and the like in the transmitter are designed in modular and standard way and distributed reasonably, and have good maintenance performance; and the integral structure can be designed in series.

Description

A kind of airtight high power travelling wave tube transmitter that has phase-change heat sink
Technical field
The present invention relates to a kind of airtight high power travelling wave tube transmitter that has phase-change heat sink, belong to carrier-borne high powered radar signal environment simulator field, particularly use the carrier-borne high powered radar signal environment simulator field of airtight high power travelling wave tube transmitter.
Background technology
Transmitter is the important component part of high powered radar signal environment simulator, generally is made up of high-pressure modular, low-voltage module, travelling-wave tube, feeder line etc.
Traditional transmitter is below deck equipment mostly, because cabin interior generally all has air-conditioning equipment, environmental baseline is better relatively, so big multi-transmitter adopts open air-cooled structure form as far as possible, structural design is simple relatively.For the high-power transmitter in the cabin, because its heat dissipation power is bigger, and also big to the electromagnetic interference (EMI) of miscellaneous equipment, generally adopt the air-cooled or water-cooled version of secondary of closed.But increase the air-cooled or water-cooling system of a cover, increased the system equipment amount, the corresponding increase of cost, system reliability reduces, and it is relatively poor to cause fitting dress property.
The high-power transmitter emissive power of installing out of my cabin is big, and heat dissipation power is bigger, for satisfying environmental suitability, generally adopts closed air-cooled structure form or the water-cooled version of closed secondary.But increased the air-cooled or water-cooling system of a cover, caused the system equipment amount big, cost is higher, and system reliability reduces, and right dress property is relatively poor.
Therefore existing airtight high power travelling wave tube transmitter exists all that volume is big, cost is high, reliability is low and problem such as right dress property difference.
Summary of the invention
The object of the present invention is to provide a kind of airtight high power travelling wave tube transmitter that has phase-change heat sink; This emission function satisfies the design demand of carrier-borne high powered radar signal environment simulator, under carrier-borne rugged surroundings, uses good heat dissipation effect; Equipment amount is little; It is strong, easy to maintenance, with low cost to fit dress property.
A kind of airtight high power travelling wave tube transmitter that has phase-change heat sink comprises travelling-wave tube, feeder line, hi-line interconnecting device, high-pressure modular, low-voltage module, puts, power supply A, power supply B, isolator and phase-change heat sink.
Excessive waveguide on phase-change heat sink and the feeder line is positioned at outside the casing, and the remaining component sealing is integrated in box house.
Travelling-wave tube, feeder line, hi-line interconnecting device, high-pressure modular and low-voltage module are positioned at the box house top; Wherein, travelling-wave tube, feeder line are positioned at the same side of casing, and travelling-wave tube is positioned at the place ahead of feeder line; High-pressure modular is positioned at the box house upper right side; Low-voltage module is positioned at the below of high-pressure modular, and the hi-line interconnecting device is installed between travelling-wave tube and the high-pressure modular, puts, power supply A, power supply B, isolator be distributed in the box house below; Wherein power supply A, power supply B are positioned at the below of box house side by side; Be close to the rear wall of casing and install, the field is put above two power supply A and power supply B and the neutral gear between the low-voltage module, and isolator is installed in the top of the left surface power supply A of casing.
The face that casing and high-pressure modular, low-voltage module, power supply A and power supply B are relative all is coated with heat-conducting silicone grease, corresponding outside design vent rib; First conductive rubber strip is housed between case lid and the casing, second conductive rubber strip is housed between phase-change heat sink and the casing, the 3rd conductive rubber strip is housed between transition waceguide and the casing.The inner radiating element of high-pressure modular is installed on the high-pressure modular base plate, and the inner radiating element of low-voltage module is installed on the low-voltage module base plate, and the rear wall of casing is close in the outside of high-pressure modular base plate and low-voltage module base plate, and blower fan is equipped with in the side of high-pressure modular.
Phase-change heat sink is installed on the travelling-wave tube vertically, is coated with heat-conducting silicone grease between the installed surface of travelling-wave tube and the installed surface of phase-change heat sink.
Phase-change heat sink comprises housing, low temperature liquid chamber, copper pipe, high-temperature gas chamber and radiation tooth; Cavity by housing top and the bottom, inboard and metal material with the blower fan correspondence position of on housing, installing constitute low temperature liquid chamber and high-temperature gas chamber wherein, is equipped with copper pipe between two cavitys.The cavity outside of metal material formation is equipped with radiation tooth with the copper pipe outside of homonymy in addition; Low temperature liquid chamber, copper pipe, inside, high-temperature gas chamber vacuumize, and inside, high-temperature gas chamber is filled with liquid coolant, and the high-temperature gas chamber links to each other through heat conductive silica gel with the outside surface of radiation tooth opposed outer surface with the concentrated radiating area of travelling-wave tube.
Covert heating radiator also comprises air intake blower fan and air-out blower fan among the present invention, and air intake blower fan and air-out blower fan are installed in the outside of the top and the bottom radiation tooth in the housing respectively, through the flowing of air-flow that increases on the radiation tooth heat is distributed.
Beneficial effect
The airtight high power travelling wave tube transmitter that the present invention has phase-change heat sink adopts the phase-change heat sink with low temperature liquid chamber, copper pipe, high-temperature gas chamber and radiation tooth; The liquid coolant in high-temperature gas chamber liquefies under the effect in low temperature liquid chamber during heat radiation, and the effect of process gravity refluxes, thereby reaches whole thermal equilibrium; Make transmitter need not to adopt traditional radiating mode; Have simple in structurely, cost is low, the advantage that reliability is high.
Secondly, transmitter intraware high-pressure modular, low-voltage module etc. are modularization, standardized designs all, and rationally distributed, maintainability is good, but one-piece construction seriation design.
Description of drawings
Fig. 1 is the airtight high power travelling wave tube transmitter of a present invention internal placement front view.
Fig. 2 is the side sectional view of the airtight high power travelling wave tube transmitter of the present invention.
Fig. 3 is the vertical view of the airtight high power travelling wave tube transmitter of the present invention.
Fig. 4 is the inner scheme of installation of high-pressure modular.
Fig. 5 is the inner scheme of installation of low-voltage module.
Fig. 6 is a phase-change heat sink inner structure cut-open view.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described;
Airtight high power travelling wave tube transmitter of the present invention comprises that travelling-wave tube 1, feeder line 2, hi-line interconnecting device 3, high-pressure modular 4, low-voltage module 5, field put 6, power supply A7, power supply B8, isolator 13 and phase-change heat sink 14.
Excessive waveguide 2-5 on phase-change heat sink 14 and the feeder line is positioned at outside the casing 9, and the remaining component sealing is integrated in emission casing 9 inside.
Travelling-wave tube 1, feeder line 2, hi-line interconnecting device 3, high-pressure modular 4 and low-voltage module 5 are positioned at the box house top; Wherein, travelling-wave tube 1, feeder line 2 are positioned at the same side of casing, and travelling-wave tube is positioned at the place ahead of feeder line; High-pressure modular 4 is positioned at casing 9 inner upper right side; Low-voltage module 5 is positioned at the below of high-pressure modular 4; Hi-line interconnecting device 3 is installed between travelling-wave tube 1 and the high-pressure modular 4; Make things convenient for the hi-line switching between travelling-wave tube 1 and the high-pressure modular 4, this interconnecting device 3 adopts nonmetallic materials processing, guarantees the High-Voltage Insulation performance.The field puts 6, power supply A7, power supply B8, isolator 13 are principle with the easy-to-connect; Be distributed in casing 9 inner belows; Wherein power supply A7, power supply B8 are positioned at the inner below of casing 9 side by side, are close to the rear wall of casing 9 to install, and the field puts 6 above two power supply A7 and the power supply B8 and the neutral gear between the low-voltage module 5; Isolator 13 is installed in the left surface of casing 9, utilizes the space between power supply A7 the place ahead and the casing 9.
Casing 9 adopts aluminium alloy casting; Its I/O cable socket is positioned at 9-2 place, top, also can be arranged into below or other suitable position as required; Casing 9 and high-pressure modular 4, low-voltage module 5, power supply A7, the face that power supply B8 is relative all are coated with heat-conducting silicone grease, and corresponding outside design vent rib 9-1 to increase the area of dissipation of casing 9, guarantees radiating effect.Casing can be installed through the bottom surface, also can install through two sides.
Case lid 12 also adopts aluminium alloy casting; First conductive rubber strip 11 wherein is housed between case lid 12 and the casing 9, second conductive rubber strip 15 is housed between phase-change heat sink 14 and the casing 9, the 3rd conductive rubber strip 10 is housed between transition waceguide 2-5 and the casing 9; Conductive rubber strip is the silicon rubber bar of having filled the Ag/Al material; To guarantee electrical contact performance and sealing property, guarantee casing shielding and sealing effectiveness, and this conductive rubber strip corrosion resistance and good.
High-pressure modular 4 adopts modularization, standardized designs.Different-waveband high-pressure modular structural design unity of form, the standard design of unified size is all adopted in its inner printed board, and the components and parts that adopt are also basic identical, just adopts different tuning parameters according to different wave bands.The inner radiating element of high-pressure modular is installed on the high-pressure modular base plate 4-2; The rear wall of casing 9 is close in the outside of high-pressure modular base plate 4-2; Blower fan 4-1 is equipped with in high-pressure modular 4 sides in addition, can its internal heat be dispersed into casing 9 inside, through casing 9 outside heat loss through conduction.
Low-voltage module 5 adopts modularization, standardized designs.The inner radiating element of low-voltage module is installed on the low-voltage module base plate 5-5, and the rear wall of casing 9 is close in the outside of low-voltage module base plate 5-5, makes things convenient for heat to be transmitted on the casing 9, through casing 9 outside heat loss through conduction.The first printed board plug-in unit 5-1, the second printed board plug-in unit 5-2, the 3rd printed board plug-in unit 5-3, the 4th printed board plug-in unit 5-4 are arranged in low-voltage module 5 fronts in addition; Its pluggable mode and physical dimension all adopt unified, standard design; Convenient debugging and maintenance; The components and parts of corresponding different each plug-in units of wave band are all identical, and the tuning parameter that is part components and parts wherein is different, thereby realize the standard serialization design of this module.
Phase-change heat sink 14 is installed on the travelling-wave tube 1 vertically, and the installed surface of travelling-wave tube 1 is its radiating surface, is coated with heat-conducting silicone grease between the installed surface 14-1 of this installed surface and phase-change heat sink 14, to increase heat-conducting effect.Phase-change heat sink 14 comprises housing, low temperature liquid chamber 14-2, copper pipe 14-3, high-temperature gas chamber 14-4, radiation tooth 14-7, air intake blower fan 14-5, air-out blower fan 14-8.Cavity by housing top and the bottom, inboard and metal material with the blower fan correspondence position of on housing, installing constitute low temperature liquid chamber 14-2 and high-temperature gas chamber 14-4 wherein, is equipped with copper pipe 14-3 between two cavitys; The cavity outside of metal material formation is equipped with radiation tooth 14-7 with the copper pipe outside of homonymy in addition; And the outside of the top and the bottom radiation tooth 14-7 in housing is equipped with air intake blower fan 14-5 and air-out blower fan 14-8; According to the needs of actual conditions, radiation tooth can not have the position of air intake blower fan 14-5 and air-out blower fan 14-8 that some are installed in housing more.The size of low temperature liquid chamber 14-2 and high-temperature gas chamber 14-4 is set according to the characteristic of travelling-wave tube; It is the copper pipe of 16mm that copper pipe 14-3 preferably adopts diameter, and the size of the air outlet 14-9 of the size of the air inlet 14-6 of air intake blower fan 14-5 and air-out blower fan 14-8 is preferably 150mm * 300mm.Low temperature liquid chamber 14-2, copper pipe 14-3,14-4 inside, high-temperature gas chamber vacuumize; 14-4 inside, high-temperature gas chamber is filled with liquid coolant, and high-temperature gas chamber 14-4 links to each other through heat conductive silica gel with the outside surface of radiation tooth opposed outer surface with the concentrated radiating area of travelling-wave tube 1.After travelling-wave tube 1 is started working; Liquid coolant gasification and upwards diffusion rapidly under high temperature action that this high-temperature gas chamber 14-4 is inner; So that heat is diffused into rapidly on whole erection face 14-1 and the radiation tooth 14-7, after the liquid coolant of gaseous state arrived low temperature liquid chamber 14-2, liquid coolant liquefaction also fell after rise under action of gravity; Thereby reach the overall thermal balance of heating radiator, through air intake blower fan 14-5 and air-out blower fan 14-8 the heat on the radiation tooth 14-7 is distributed again.Most of heat that its radiating effect satisfies heat radiation needs, the especially travelling-wave tube of high power travelling wave tube 1Kw to 1.5Kw under the hot environment concentrates on concentrated heat radiation chamber, and the heat radiation power of this radiating area unit area reaches 8w/cm 2This heat spreader structures is simple, and cost is low, and maintenanceability is good, and reliability is high.

Claims (5)

1. airtight high power travelling wave tube transmitter that has phase-change heat sink comprises that travelling-wave tube (1), feeder line (2), hi-line interconnecting device (3), high-pressure modular (4), low-voltage module (5), field put (6), power supply A (7), power supply B (8), isolator (13) and phase-change heat sink (14);
Excessive waveguide (2-5) on phase-change heat sink (14) and the feeder line is positioned at outside the casing, and the remaining component sealing is integrated in casing (9) inside;
Travelling-wave tube (1), feeder line (2), hi-line interconnecting device (3), high-pressure modular (4) and low-voltage module (5) are positioned at the box house top; Wherein, travelling-wave tube (1), feeder line (2) are positioned at the same side of casing, and travelling-wave tube is positioned at the place ahead of feeder line; High-pressure modular (4) is positioned at the inner upper right side of casing (9); Low-voltage module (5) is positioned at the below of high-pressure modular (4); Hi-line interconnecting device (3) is installed between travelling-wave tube (1) and the high-pressure modular (4); (6), power supply A (7), power supply B (8) are put in the field, isolator (13) is distributed in the inner below of casing (9); Wherein power supply A (7), power supply B (8) are positioned at the inner below of casing (9) side by side; Be close to the rear wall of casing (9) and install, the field is put (6) and is positioned at the top of two power supply A (7) and power supply B (8) and the neutral gear between the low-voltage module (5), and isolator (13) is installed in the top of the left surface power supply A (7) of casing (9);
Casing (9) all is coated with heat-conducting silicone grease with high-pressure modular (4), low-voltage module (5), power supply A (7) and the relative face of power supply B (8), corresponding outside design vent rib (9-1); Between case lid (12) and the casing (9) first conductive rubber strip (11) is housed; Between phase-change heat sink (14) and the casing (9) second conductive rubber strip (15) is housed, between transition waceguide (2-5) and the casing (9) the 3rd conductive rubber strip (10) is housed; The inner radiating element of high-pressure modular (4) is installed on the high-pressure modular base plate (4-2); The inner radiating element of low-voltage module (5) is installed on the low-voltage module base plate (5-5); The rear wall of casing is close in the outside of high-pressure modular base plate (4-2) and low-voltage module base plate (5-5), and blower fan is equipped with in the side of high-pressure modular;
Phase-change heat sink (14) is installed on the travelling-wave tube (1) vertically, is coated with heat-conducting silicone grease between the installed surface of the installed surface of travelling-wave tube (1) and phase-change heat sink (14);
Phase-change heat sink (14) comprises housing, low temperature liquid chamber (14-2), copper pipe (14-3), high-temperature gas chamber (144) and radiation tooth (14-7); Cavity by housing top and the bottom, inboard and metal material with the blower fan correspondence position of on housing, installing constitute low temperature liquid chamber (14-2) and high-temperature gas chamber (144) wherein, is equipped with copper pipe (14-3) between two cavitys; The cavity outside of metal material formation is equipped with radiation tooth (14-7) with the copper pipe outside of homonymy in addition; Low temperature liquid chamber (14-2), copper pipe (14-3), inside, high-temperature gas chamber (14-4) vacuumize; Inside, high-temperature gas chamber (14-4) is filled with liquid coolant, and high-temperature gas chamber (14-4) links to each other through heat conductive silica gel with the outside surface of radiation tooth opposed outer surface with the concentrated radiating area of travelling-wave tube 1.
2. airtight high power travelling wave tube transmitter according to claim 1 is characterized in that, described interconnecting device adopts nonmetallic materials processing, guarantees the High-Voltage Insulation performance.
3. airtight high power travelling wave tube transmitter according to claim 1 is characterized in that, described casing (9) and case lid (12) adopt aluminium alloy casting, and wherein the installation form of casing (9) is to install through bottom surface or two sides.
4. airtight high power travelling wave tube transmitter according to claim 1 is characterized in that, described conductive rubber strip is the silicon rubber bar of having filled the Ag/Al material.
5. airtight high power travelling wave tube transmitter according to claim 1; It is characterized in that; Covert heating radiator also comprises air intake blower fan (14-5) and air-out blower fan (14-8); Air intake blower fan (14-5) and air-out blower fan (14-8) are installed in the outside of the top and the bottom radiation tooth (14-7) in the housing respectively, through the flowing of air-flow that increases on the radiation tooth (14-7) heat are distributed.
CN2010102981225A 2010-09-30 2010-09-30 Closed high-power travelling wave tube transmitter with phase change heat radiator Expired - Fee Related CN102012502B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107041120B (en) * 2017-05-12 2022-08-16 广州中国科学院先进技术研究所 Slow wave component tube shell cold extrusion device
CN108288972B (en) * 2017-12-29 2023-08-29 浙江联品电子科技有限公司 FM broadcast transmitter with cooling and noise reduction functions

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US4317224A (en) * 1979-08-07 1982-02-23 Siemens-Albis Ag Oil-cooled radar transmitter apparatus
CN101160034A (en) * 2007-08-31 2008-04-09 王亚雄 Hot pipe cooling radiator of high-power drive electronic device

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CN101521133B (en) * 2009-04-20 2011-04-06 无锡希恩电气有限公司 Focusing coil for klystron

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Publication number Priority date Publication date Assignee Title
US4317224A (en) * 1979-08-07 1982-02-23 Siemens-Albis Ag Oil-cooled radar transmitter apparatus
CN101160034A (en) * 2007-08-31 2008-04-09 王亚雄 Hot pipe cooling radiator of high-power drive electronic device

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