CN105762474B - A kind of waveguide water load - Google Patents
A kind of waveguide water load Download PDFInfo
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- CN105762474B CN105762474B CN201610130589.6A CN201610130589A CN105762474B CN 105762474 B CN105762474 B CN 105762474B CN 201610130589 A CN201610130589 A CN 201610130589A CN 105762474 B CN105762474 B CN 105762474B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/24—Terminating devices
- H01P1/26—Dissipative terminations
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Abstract
The present invention provides a kind of waveguide water load, belong to electromagnetic transmission technical field, it include water tank, ceramic tube and circular waveguide open at one end, one end of water tank is equipped with ring flange, ceramic tube is set in the water tank, the open end of ceramic tube is connect with ring flange, circular waveguide is set in ceramic tube, the through-hole that one end of circular waveguide passes through ring flange stretches out outside water tank, the tube wall of circular waveguide is provided with multiple strip crevices, water tank is additionally provided with inlet and outlet, when circular waveguide transmits electromagnetic wave, water inlet and water outlet cooperatively form the circulation passage of water jointly.The contribution ratios of this waveguide water load are high, reflected standing wave ratio is small, by the flowing of water by outside the heat band water tank of absorption, avoids water load itself and generates excessively high temperature, and by opening up multiple strip crevices on circular waveguide tube wall, so that this kind of water load is for TE01Mould electromagnetic wave does not need carry out mode conversion, and power absorption can be carried out by being fed directly into circular waveguide.
Description
Technical field
The present invention relates to Microwave transmission technology fields, in particular to a kind of waveguide water load.
Background technique
Currently, the absorber of the high-power millimeter wave matched load used both at home and abroad is dry load.Dry load is a kind of biography
The matched load of system generallys use the biggish solid sorbent material of volume, such as silicon carbide, boron nitride absorbing material as micro-
Wave absorber, sets inside waveguide, takes away the heat of absorption by cooling fin on waveguide outer wall or recirculated water, reaches power
The purpose of microwave absorption.But dry bearing power capacity is lower, is typically only capable to absorb tens of watts to hundreds of watts of microwave power,
Microwave termination of the energy as mid power, can not be as the matched load of HIGH-POWERED MICROWAVES.
Summary of the invention
The purpose of the present invention is to provide a kind of waveguide water load, with low, the Wu Fazuo that solves existing dry bearing power capacity
The problem of for HIGH-POWERED MICROWAVES matched load.
The present invention is implemented as follows:
A kind of waveguide water load, including water tank, ceramic tube and circular waveguide open at one end, one end of the water tank is set
There is ring flange,
The ceramic tube is set in the water tank, and the open end of the ceramic tube is connect with the ring flange,
The circular waveguide is set in the ceramic tube, and one end of the circular waveguide passes through the through-hole of the ring flange
It stretching out outside the water tank, the tube wall of the circular waveguide is provided with multiple strip crevices,
The water tank is additionally provided with inlet and outlet, when the circular waveguide transmits electromagnetic wave, the water inlet and institute
State the circulation passage that water outlet cooperatively forms water jointly
This waveguide water load is suitable for high-order circular-electric mode, has that power capacity is big, standing-wave ratio coefficient is low and sealing
The good advantage of property.It is high for the electromagnetic wave signal contribution ratios of high-average power, and reflected standing wave ratio is small, and electromagnetic wave energy is turned
After the thermal energy for changing water into, by the flowing of water by outside heat band water tank, avoids water load itself and generate excessively high temperature.And
And by opening up multiple strip crevices on circular waveguide tube wall, so that this kind of water load is for TE01Mould electromagnetic wave do not need into
The conversion of row mode, power absorption can be carried out by being fed directly into circular waveguide.
Further, the multiple strip crevice is arranged along the equal spacing in length direction of the circular waveguide tube wall.
Equal spacing in length direction by multiple strip crevices along the tube wall of circular waveguide is arranged, and enables electromagnetic wave energy
It is uniformly completely radiate through the gap on tube wall, avoids local water temperature over-high.
Further, the waveguide water load further includes supporting element,
One end of the supporting element is fixedly connected with the inner sidewall of the water tank, the other end of the supporting element and the pottery
The closed end of porcelain tube connects.
Setting supporting element is advantageous in that, the connection between ceramic tube and water tank can be made more firm, in order to ceramics
Pipe is preferably protected and support circular waveguide, avoids ceramic tube from moving relative to water tank, causes the drop of entire water load performance
It is low.
Further, the through hole of the ring flange is equipped with annular groove,
The open end of the ceramic tube is in the annular groove.
Ceramic tube, which is set in the annular groove of ring flange, to be advantageous in that, the installation of ceramic tube on the one hand can be made
It more fastens, is on the other hand that the leakproofness of ceramic tube and ring flange junction can be made to enhance.
Further, the waveguide water load further includes connecting between the ring flange and the ceramic tube for fastening
Annular pressing plate, the annular pressing plate are sheathed on the ceramic tube, and the annular pressing plate is connect with the ring flange.
Further, one end that the circular waveguide stretches out outside the water tank is provided with the company for connecting the ring flange
Socket part, the interconnecting piece are connect with the ring flange.
Further, the waveguide water load further includes water inlet pipe, and the water inlet pipe protrudes into described across the water inlet
In water tank, extend to the direction far from the water outlet.
Further, the waveguide water load is additionally provided with weight bearing foundation, and the weight bearing foundation is connect with the water tank.Pass through
Weight bearing foundation is set, so that entire waveguide water load is more convenient for transporting and be used.
Further, the water tank is additionally provided with upper cover, and the upper cover is connect with the weight bearing foundation.
Upper cover is coated on the top half of water tank, and edge is connect with weight bearing foundation, for protecting water tank, avoid water tank by
Physical damage etc..
Waveguide water load provided by the invention has the advantages that power capacity is big, standing-wave ratio coefficient is low and good airproof performance,
It is high for the electromagnetic wave signal contribution ratios of high-average power, and reflected standing wave ratio is small, and electromagnetic wave energy is converted into the heat of water
After energy, by the flowing of water by outside heat band water tank, avoids water load itself and generate excessively high temperature.And by circle
Multiple strip crevices are opened up on corrugated waveguide wall, so that this kind of water load is for TE01Mould electromagnetic wave does not need carry out mode conversion,
Power absorption can be carried out by being fed directly into circular waveguide.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.By the way that shown in attached drawing, above and other purpose of the invention, feature and advantage will be more clear.In whole
Identical appended drawing reference indicates identical part in attached drawing.Attached drawing, emphasis deliberately are not drawn by actual size equal proportion scaling
It is to show the gist of the present invention.
Fig. 1 is a kind of horizontal cross-section structure diagram of waveguide water load provided in an embodiment of the present invention；
Fig. 2 is the horizontal cross-section structure diagram of another waveguide water load provided in an embodiment of the present invention；
Fig. 3 is the horizontal cross-section structure diagram of another waveguide water load provided in an embodiment of the present invention；
Fig. 4 is the longitudinal profile structure schematic of waveguide water load provided by Fig. 3.
Appended drawing reference:
Water tank 101；Ceramic tube 102；Circular waveguide 103；Ring flange 104；Through-hole 1041；Water inlet 105；Water outlet 106；
Supporting element 107；Annular groove 108；Annular pressing plate 109；Interconnecting piece 110；It is arranged part 1101；Connector 1102；Water inlet pipe 111；
Weight bearing foundation 112；Upper cover 113.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " center ", "upper", "inner", "outside" or
Positional relationship be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation usually put or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.In addition, art
Language " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
As shown in Figure 1, waveguide water load provided in this embodiment, including water tank 101, ceramic tube 102 open at one end with
And circular waveguide 103.Water tank 101 is cylinder, and one end is equipped with ring flange 104, and the other end is equipped with water inlet 105 and water outlet
106.Ceramic tube 102 is located inside water tank 101, and open end is connect with ring flange 104.Circular waveguide 103 is set to ceramic tube
In 102, and one end of circular waveguide 103 is stretched out outside water tank 101 by the through-hole 1041 of ring flange 104, the pipe of circular waveguide 103
Multiple strip crevices are also provided on wall.When transmitting electromagnetic wave in circular waveguide 103, the water inlet 105 and water outlet of water tank 101
106 cooperatively form the circulation passage of water jointly, so that water is in 101 internal flow of water tank.
It is circular hollow metal tube that the often referred to simply as circular waveguide of circular waveguide 103, which is cross sectional shape, is merely able to transmit
TE and TM guided wave, wherein three common modes are TE11、TE01And TM01。TE11Mould is the transmission main mould of circular waveguide, TM01For
The transmission time main mould of circular waveguide, TE01For the higher mode of circular waveguide.As one timing of transimission power, TE01Mould increases with frequency,
Loss will reduce, and attenuation constant becomes smaller, this characteristic makes TE01Mould is suitable for millimeter wavelength apart from low-loss transmission.
When existing circular waveguide matched load carries out electromagnetic wave power absorption, for multimode transmissions situation, TE11Or
TM01It can convert without mode and directly absorb, and TE01Mould then needs to carry out mode conversion, such as switchs to TE11It is reabsorbed after mould,
It cannot achieve direct absorption.
This waveguide water load provided in this embodiment is suitable for high-order circular-electric mode TE01Mould, big with power capacity,
The advantages of standing-wave ratio coefficient is low and good airproof performance directly absorbs TE in addition to can be realized01Outside, several kilowatts can also be born to several
The power absorption of the electromagnetic wave of ten kilowatts of mean powers is the desirable absorption load of High energy electromagnetic wave system system, especially over long distances
The desirable absorption of the high energy millimeter-wave systems of low-loss transmission loads.
The working principle of the waveguide water load is that when transmitting electromagnetic wave in circular waveguide 103, electromagnetic wave energy passes through pipe
Strip crevice on wall is completely radiate, and a part is absorbed by ceramic tube 102, and it is saturating that another part then penetrates ceramic tube 102
Be mapped in the liquid water in water tank 101, water inlet 105 and water outlet 106 cooperatively form the circulation passage of water jointly at this time, water from
After water inlet 105 flows into water tank 101, the electromagnetic wave energy that circular waveguide 103 gives off is absorbed, and gradually pass through water outlet
Outside 106 outflow water tanks 101, and then also avoids water load itself by outside heat band water tank 101 and generate excessively high temperature, this
Sample realizes the absorption of electromagnetic wave energy during water continuous inflow and outflow；And by 103 tube wall of circular waveguide
Multiple strip crevices are opened up, so that this kind of water load is for TE01Mould electromagnetic wave does not need carry out mode conversion, is fed directly into circle
Power absorption can be carried out in waveguide 103.
It should be noted that the ceramic tube 102 provided in the present embodiment, has biggish dielectric constant, electromagnetic wave is believed
Number have certain absorption and transmitting effect, high temperature resistant and sealing, can be good at isolation liquid water.For circular waveguide 103,
The diameter of its waveguide mouth is preferably 32 millimeters.
In the present embodiment, the open end of ceramic tube 102 is connect with ring flange 104, so in order to guarantee ceramic tube 102
Whole leakproofness, it is preferable that the gap of ceramic tube 102 and 104 junction of ring flange is also sealed design, avoids liquid water
Enter in ceramic tube 102 from the gap of junction.
It, can be according to the big ditty of the electromagnetic wave power transmitted in circular waveguide 103 in different specific embodiments
Save the size of 101 size of flowing velocity and water tank of corresponding water, so as to the electromagnetic wave absorption energy of more height ratio, without
High temperataure phenomena is generated in the cavity of water tank 101.
In order to enable electromagnetic wave energy to be rapidly radiated completely on the tube wall of ceramic tube 102, it is preferable that strip crevice
Equal spacing in length direction along 103 tube wall of circular waveguide is arranged, and the length of each strip crevice differs.And strip crevice is equidistant
Another benefit being arranged is that electromagnetic wave energy can uniformly be radiate, and avoids local water temperature over-high.
As shown in Figure 2, it is preferable that the supporting element 107 for fixing ceramic tube 102, supporting element are additionally provided in water tank 101
107 be truncated cone-shaped, and one end of supporting element 107 is connect with positioned at water inlet 105 with 101 inner sidewall of water tank among water outlet 106,
The other end is connect with the closed end of ceramic tube 102, the central axis of the supporting element 107 after being installed and leading to for ring flange 104
The central axis in hole 1041 overlaps, and can be very good to guarantee that ceramic tube 102 is in horizontality in this way.Supporting element is set
107 are advantageous in that, the connection between ceramic tube 102 and water tank 101 can be made more firm, in order to which ceramic tube 102 is more preferable
Protection and support circular waveguide 103, avoid ceramic tube 102 from moving relative to water tank 101, cause the suction of entire waveguide water load
Receive the reduction of performance.
For the specific connection structure of 102 open end of ceramic tube and ring flange 104, the present embodiment provides a kind of possible reality
Mode is applied, i.e., annular groove 108 is set at the through-hole 1041 of ring flange 104, the open end of ceramic tube 102 is recessed embedded at annular
In slot 108, and 102 entirety of ceramic tube is guaranteed using the design of sealing in the junction of ceramic tube 102 and annular groove 108
Sealing performance.
In order to further reinforce the tightness that ceramic tube 102 is connect with ring flange 104, which is additionally provided with ring
Shape pressing plate 109, annular pressing plate 109 are sheathed on ceramic tube 102, and inner sidewall is close to the outer tube wall of ceramic tube 102, annular pressing plate
109 plate face is connect with ring flange 104, on the one hand design in this way can make the installation of ceramic tube 102 more firm,
On the other hand the leakproofness of 102 open end of ceramic tube Yu 104 junction of ring flange can also further be enhanced.
As shown in Figure 3 and Figure 4, it is preferable that one end that circular waveguide 103 stretches out outside water tank 101 is additionally provided with for connecting
The interconnecting piece 110 of circular waveguide 103 and ring flange 104.Interconnecting piece 110 includes being arranged part 1101 and connector 1102.Wherein, it covers
If part 1101 is coated on circular waveguide 103, the one end for being arranged part 1101 passes through through-hole 1041 and the opening of ceramic tube 102 is stretched
Enter in ceramic tube 102；Connector 1102 in a ring, respectively be arranged part 1101 and ring flange 104 is connect.
It is preferably rubber pad in the present embodiment for interconnecting piece 110.
Preferably, waveguide water load is additionally provided with water inlet pipe 111, and water inlet pipe 111 passes through water inlet 105 and protrudes into water tank 101,
And extend to the direction far from water outlet 106.Design water inlet pipe 111 in this way is advantageous in that, can more preferably be promoted in water tank 101
The flowing of water.
Due to the generally laterally disposed cylinder of water tank 101, this make the entirety of waveguide water load not readily transportable and
It uses, it is contemplated that this point, in the present embodiment, it is preferable that further include having weight bearing foundation 112, weight bearing foundation 112 itself is equipped with partly
The inside radius of circular groove, the semi-circular recesses is almost the same with the outer radius of water tank 101, and water tank 101 is installed on weight bearing foundation
In semi-circular recesses on 112, such 112 one side of weight bearing foundation can make entire waveguide water load be readily transported use, separately
On the one hand it also plays a protective role to the lower half portion of water tank 101.
Further, on the basis of being equipped with weight bearing foundation 112, in the present embodiment, waveguide water load is additionally provided with upper cover
113, upper cover 113 covers on the top half of water tank 101, and connect with weight bearing foundation 112, in upper cover 113 and weight bearing foundation 112
Semi-circular recesses enclose jointly protection water tank 101 structure, prevent the side wall of water tank 101 by physical damage.
In conclusion waveguide water load provided by the invention, it is suitable for high-order circular-electric mode, has that power capacity is big, stays
The advantages of Bobbi coefficient is low and good airproof performance.It is high for the electromagnetic wave signal contribution ratios of high-average power, reflects standing wave
Than small, after electromagnetic wave energy to be converted into the thermal energy of water, by the flowing of water by outside heat band water tank 101, it is negative to avoid water
It is downloaded from body and generates excessively high temperature.And by opening up multiple strip crevices on 103 tube wall of circular waveguide, so that this kind of water is negative
It carries for TE01Mould electromagnetic wave does not need carry out mode conversion, and power absorption can be carried out by being fed directly into circular waveguide 103.
In order to better illustrate the present invention, the present embodiment enumerates some specific embodiments, as follows:
Embodiment 1
A kind of waveguide water load, including water tank 101, ceramic tube 102 and circular waveguide 103 open at one end, the water
One end of case 101 is equipped with ring flange 104, and the ceramic tube 102 is set in the water tank 101, the opening of the ceramic tube 102
End is connect with the ring flange 104, and the circular waveguide 103 is set in the ceramic tube 102, the circular waveguide 103
The through-hole 1041 that one end passes through the ring flange 104 stretches out outside the water tank 101, and the tube wall of the circular waveguide 103 is provided with more
A strip crevice, the water tank 101 is additionally provided with water inlet 105 and water outlet 106, when the circular waveguide 103 transmits electromagnetic wave,
The water inlet 105 cooperatively forms the circulation passage of water with the water outlet 106 jointly.
The multiple strip crevice is arranged along the equal spacing in length direction of 103 tube wall of circular waveguide.The circle wave
The diameter for leading 103 transmission entrance is 32 millimeters.
Embodiment 2
A kind of waveguide water load, including water tank 101, ceramic tube 102 and circular waveguide 103 open at one end, the water
One end of case 101 is equipped with ring flange 104, and the ceramic tube 102 is set in the water tank 101, the opening of the ceramic tube 102
End is connect with the ring flange 104, and the circular waveguide 103 is set in the ceramic tube 102, the circular waveguide 103
The through-hole 1041 that one end passes through the ring flange 104 stretches out outside the water tank 101, and the tube wall of the circular waveguide 103 is provided with more
A strip crevice, the water tank 101 is additionally provided with water inlet 105 and water outlet 106, when the circular waveguide 103 transmits electromagnetic wave,
The water inlet 105 cooperatively forms the circulation passage of water with the water outlet 106 jointly.
The waveguide water load further includes supporting element 107, the inside of one end of the supporting element 107 and the water tank 101
Wall is fixedly connected, and the other end of the supporting element 107 is connect with the closed end of the ceramic tube 102.
Annular groove 108 is equipped at the through-hole 1041 of the ring flange 104, the open end of the ceramic tube 102 is embedded at
In the annular groove 108.
The waveguide water load further includes for fastening the ring connected between the ring flange 104 and the ceramic tube 102
Shape pressing plate 109, the annular pressing plate 109 are sheathed on the ceramic tube 102, the annular pressing plate 109 and the ring flange 104
Connection.
One end that the circular waveguide 103 stretches out outside the water tank 101 be provided with for connect the circular waveguide 103 with
The interconnecting piece 110 of the ring flange 104, the interconnecting piece 110 are connect with the ring flange 104.
Embodiment 3
A kind of waveguide water load, including water tank 101, ceramic tube 102 and circular waveguide 103 open at one end, the water
One end of case 101 is equipped with ring flange 104, and the ceramic tube 102 is set in the water tank 101, the opening of the ceramic tube 102
End is connect with the ring flange 104, and the circular waveguide 103 is set in the ceramic tube 102, the circular waveguide 103
The through-hole 1041 that one end passes through the ring flange 104 stretches out outside the water tank 101, and the tube wall of the circular waveguide 103 is provided with more
A strip crevice, the water tank 101 is additionally provided with water inlet 105 and water outlet 106, when the circular waveguide 103 transmits electromagnetic wave,
The water inlet 105 cooperatively forms the circulation passage of water with the water outlet 106 jointly.
The waveguide water load further includes water inlet pipe 111, and the water inlet pipe 111 protrudes into described across the water inlet 105
In water tank 101, extend to the direction far from the water outlet 106.
The waveguide water load is additionally provided with weight bearing foundation 112, and the weight bearing foundation 112 is connect with the water tank 101.It is described
Water tank 101 is additionally provided with the upper cover 113 for protecting the water tank 101, and the upper cover 113 is connect with the weight bearing foundation 112.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of waveguide water load, which is characterized in that including water tank, ceramic tube and circular waveguide open at one end,
One end of the water tank is equipped with ring flange, and the ring flange includes through-hole and is equipped with annular in the peripheral region of the through-hole
Groove,
The ceramic tube is set in the water tank, the open end of the ceramic tube realized in the annular groove with
The connection of the ring flange,
The circular waveguide is set in the ceramic tube, and one end of the circular waveguide passes through the through-hole of the ring flange
It stretching out outside the water tank, the tube wall of the circular waveguide is provided with multiple strip crevices,
The water tank is additionally provided with inlet and outlet, the water inlet, the inner space of the water tank and the water outlet
The circulation passage of water is collectively formed, allow the water to flow into the inner space from the water inlet and is passed through from the inner space
Water tank is flowed out by the water outlet, when the circular waveguide transmits electromagnetic wave, flows into the inner space from the water inlet
In, absorb in the inner space from the water after the electromagnetic wave energy that the strip crevice gives off from the water outlet
The water tank is flowed out, the heat that will be absorbed carries water tank.
2. waveguide water load according to claim 1, which is characterized in that the multiple strip crevice is along the circular waveguide
The equal spacing in length direction of tube wall is arranged.
3. waveguide water load according to claim 1, which is characterized in that the waveguide water load further includes supporting element,
One end of the supporting element is fixedly connected with the inner sidewall of the water tank, the other end of the supporting element and the ceramic tube
Closed end connection.
4. waveguide water load according to claim 1, which is characterized in that the waveguide water load further includes for fastening
The annular pressing plate connected between ring flange and the ceramic tube is stated,
The annular pressing plate is sheathed on the ceramic tube,
The annular pressing plate is connect with the ring flange.
5. waveguide water load according to claim 4, which is characterized in that the circular waveguide stretches out one outside the water tank
End is provided with the interconnecting piece for connecting the ring flange,
The interconnecting piece is connect with the ring flange.
6. waveguide water load according to claim 1, which is characterized in that the waveguide water load further includes water inlet pipe,
The water inlet pipe passes through the water inlet and protrudes into the water tank, extends to the direction far from the water outlet.
7. waveguide water load according to claim 1, which is characterized in that the waveguide water load is additionally provided with weight bearing foundation,
The weight bearing foundation is connect with the water tank.
8. waveguide water load according to claim 7, which is characterized in that the water tank is additionally provided with for protecting the water tank
Upper cover,
The upper cover is connect with the weight bearing foundation.
9. waveguide water load according to claim 1, which is characterized in that the diameter of the transmission entrance of the circular waveguide is
32 millimeters.
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| CN108110391B (en) * | 2016-12-14 | 2021-03-02 | 北京无线电计量测试研究所 | Coaxial water load for medium and high power calorimeter |
| CN107240742B (en) * | 2017-06-20 | 2019-11-05 | 电子科技大学 | A kind of spiral stream guidance structure high power water load |
| CN109713456B (en) * | 2017-10-24 | 2021-03-23 | 蔡钧 | Millimeter wave background absorption device |
| CN107645025A (en) * | 2017-10-27 | 2018-01-30 | 西安恒达微波技术开发有限公司 | Multimode radiation super high power microwave water load |
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| CN102411074A (en) * | 2011-08-03 | 2012-04-11 | 广东威特真空电子制造有限公司 | High power waveguide impedance transformer |
| CN102354786A (en) * | 2011-10-21 | 2012-02-15 | 湖北汉鑫源真空电子科技有限公司 | C-band high-energy silicon carbide ceramic microwave load |
| JP2015167406A (en) * | 2015-06-09 | 2015-09-24 | 日本高周波株式会社 | dummy load |
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| CN105762474A (en) | 2016-07-13 |
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