CN209641803U - A kind of radar antenna - Google Patents
A kind of radar antenna Download PDFInfo
- Publication number
- CN209641803U CN209641803U CN201920664588.9U CN201920664588U CN209641803U CN 209641803 U CN209641803 U CN 209641803U CN 201920664588 U CN201920664588 U CN 201920664588U CN 209641803 U CN209641803 U CN 209641803U
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- CN
- China
- Prior art keywords
- wave device
- guide wave
- radar antenna
- antenna according
- sealing ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 32
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000007704 transition Effects 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model provides a kind of radar antenna, including guide wave device and lens antenna, guided wave access is equipped in the guide wave device, the lens antenna includes lens body and interconnecting piece, the lower end of the interconnecting piece is connect with the upper end of the lens body, the installation cavity penetrated through downwards is equipped in the guide wave device, the interconnecting piece is protruded into the installation cavity and fixed with the guide wave device, and the outside wall surface of the guide wave device is equipped with cooling fin.Radar antenna provided by the utility model is radiated by the way that cooling fin is arranged on guide wave device, improves radar antenna adaptability in a high temperauture environment.
Description
Technical field
The utility model relates to level meter field, especially a kind of radar antenna.
Background technique
A kind of existing radar levelmeter, guide wave device are arranged with antenna jacket outside, and antenna jacket and guide wave device pass through gear
Circle is fixed, and is threaded to be threadedly coupled with flange on the lateral wall of antenna jacket, and passes through flange realization and to be measured
The fixation of batch can.The radar levelmeter is in use, hot environment can cause shadow to the sealing ring between antenna jacket and guide wave device
It rings, makes sealing ring expanded by heating, failure, radar levelmeter is caused to be not applied for the measurement under hot environment.Further, since day
Line set is fixed by retaining ring and batch can, therefore radar levelmeter is not applied for the measurement under hyperbaric environment.
Utility model content
At least one in order to solve the above-mentioned technical problem, the utility model embodiment provides a kind of radar antenna, leads to
It crosses and cooling fin is set on guide wave device, to reduce influence of the high temperature to sealing ring, improve radar antenna in a high temperauture environment
Adaptability.
In order to reach the purpose of this utility model, the technical solution that the utility model is taken is as follows:
The utility model embodiment provides a kind of radar antenna, including guide wave device and lens antenna, the guided wave dress
It is equipped with guided wave access in setting, the lens antenna includes lens body and interconnecting piece, the lower end of the interconnecting piece and the lens
The upper end of main body connects, and the installation cavity penetrated through downwards is equipped in the guide wave device, and the interconnecting piece protrudes into the installation cavity
And fixed with the guide wave device, the outside wall surface of the guide wave device is equipped with cooling fin.
In radar antenna provided by the embodiment of the utility model, the interconnecting piece on lens antenna protrudes into the peace of guide wave device
It is fixed in behaveing affectedly and with guide wave device, realization lens antenna is fixedly connected with guide wave device；Pass through the outer wall in guide wave device
Cooling fin, Lai Zengqiang heat dissipation effect, so that radar antenna is applied to hot environment are set on face.
Other features and advantages of the utility model will illustrate in the following description.
Detailed description of the invention
Attached drawing is used to provide to further understand technical solutions of the utility model, and constitutes part of specification,
It is used to explain the technical solution of the utility model together with embodiments herein, not constitute to technical solutions of the utility model
Limitation.
Fig. 1 is the schematic cross-sectional view of the radar antenna according to the utility model one embodiment；
Fig. 2 is the decomposition texture schematic diagram of radar antenna shown in FIG. 1；
Fig. 3 is the schematic cross-sectional view of the radar antenna according to another embodiment of the utility model；
Fig. 4 is the decomposition texture schematic diagram of radar antenna shown in Fig. 3.
Appended drawing reference:
1- guide wave device, 11- waveguide transitions section, 12- waveguide segment, 13- accommodating chamber, 14- annular recess, 16- cooling fin,
17- threaded connection section, the circumferentially fixed portion 18-, 2- lens antenna, 21- lens body, 211- loaded segment, the 212- plane of incidence, 22-
Interconnecting piece, 3- axial direction retaining ring, 4- sealing ring.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing.
In description in the present invention, the orientation or positional relationship of the instructions such as term " on ", "lower" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute
The structure of finger has specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
The embodiments of the present invention provide a kind of radar antenna, which can be applied in radar levelmeter.
As depicted in figs. 1 and 2, radar antenna includes guide wave device 1 and lens antenna 2.
Wherein, it is equipped with guided wave access in guide wave device 1, passes through for electromagnetic wave.As shown in Figure 1, guided wave access may include
Waveguide transitions section 11 and waveguide segment 12, waveguide transitions section 11 and waveguide segment 12 are cylindrical cavity, and waveguide transitions section 11
Internal diameter is greater than the internal diameter of waveguide segment 12, is connected by conical section therebetween.
As shown in Figure 1, lens antenna 2 includes lens body 21 and interconnecting piece 22, the lower end of interconnecting piece 22 and lens body
21 upper end connection, guide wave device 1 is interior to be equipped with the installation cavity penetrated through downwards, and interconnecting piece 22 bottom-up can protrude into installation cavity simultaneously
It is fixed with guide wave device 1, lens antenna 2 and guide wave device 1 are fixed.Optionally, interconnecting piece 22 and guide wave device 1 are logical
Cross 3 axial restraint of axial retaining ring.Axial retaining ring 3 can be metal collar or nonmetallic retaining ring.
The outside wall surface of guide wave device 1 is equipped with cooling fin 16, and cooling fin 16 can radiate, so that radar antenna is applied to
Hot environment.As depicted in figs. 1 and 2, the outer side surface of guide wave device 1 is equipped with multiple (such as two) cooling fins 16, with enhancing
Heat dissipation.
Optionally, interconnecting piece 22 is the interconnecting piece of annular, and the inner cavity wall surface of the outer side surface of interconnecting piece 22 and installation cavity
Between be equipped with sealing ring 4.As shown in Figure 1, there are two being set between the outer side surface of interconnecting piece 22 and the inner cavity wall surface of installation cavity
Sealing ring 4.Sealing ring 4 can be O-ring.
Clearance seal between interconnecting piece 22 and installation cavity can be prevented extraneous gas, dust etc. from entering by sealing ring 4.
Optionally, sealing ring 4 is arranged adjacent to cooling fin 16, and the heat of sealing ring 4 is effectively distributed, and reduces
The expansion of sealing ring 4 caused by high temperature, failure etc. influence.
Optionally, as shown in Figure 1, the position of sealing ring 4 is not higher than the position of cooling fin 16, i.e. the position of sealing ring 4 can
Or the two more slightly lower than the position of cooling fin 16 can be substantially at sustained height position.
It should be appreciated that the position of sealing ring 4 is not limited to the above, and such as: the position of sealing ring 4 is than cooling fin 16
Position it is slightly higher, alternatively, the position of sealing ring 4 can be below or above all cooling fins 16 when being provided with multiple cooling fins 16
Position, or lower than the position of a part of cooling fin 16, the position than another part cooling fin 16 is high.
Optionally, as depicted in figs. 1 and 2, the outer side surface of guide wave device 1 is equipped with annular recess 14, and cooling fin 16 is
Along the annular fin of guide wave device 1 being circumferentially arranged, and it is arranged at annular recess 14.
Optionally, as shown in Figure 1, the position of the sealing ring 4 is higher than the bottom wall of the annular recess 14.
Wall thickness of the guide wave device 1 at annular recess 14 reduces, and is conducive to the outer wall that heat is transferred to guide wave device 1 outward
Face.Sealing ring 4 and cooling fin 16 are arranged at the relatively thin annular recess 14 of wall thickness, are conducive to the heat transfer of sealing ring 4 extremely
Cooling fin 16 radiates, so that sealing ring 4 keeps lower temperature, does not influence the sealing of sealing ring.
Optionally, as depicted in figs. 1 and 2, the outer side surface of guide wave device 1 is equipped with threaded joints 17, cooling fin 16
It is located at the top of threaded joints 17 with sealing ring 4.
Threaded joints 17 are used to be threadedly coupled with flange realization, and flange can be connected by screw to batch can.It is threadedly coupled
Portion 17 is arranged on guide wave device 1, and guide wave device 1 can be made of metal material, and structural strength is high, therefore, is filled using guided wave
1 fixed batch can is set, the bearing capacity of radar antenna can be enhanced, so that radar antenna can be applied to hyperbaric environment.
Optionally, as depicted in figs. 1 and 2, circumferentially fixed portion 18 is additionally provided on the outer side surface of guide wave device 1, it is circumferential solid
Portion 18 is determined between threaded joints 17 and cooling fin 16, and sealing ring 4 is located at the top in circumferentially fixed portion 18.
Circumferentially fixed portion 18 can be in regular hexagon, solid using tools such as spanner, pliers in this way when installing radar antenna
The fixed circumferentially fixed portion 18 is with fixed by guide wave device 1, to be installed.
Optionally, as depicted in figs. 1 and 2, guide wave device 1 is an integral structure with cooling fin 16.Integral structure can increase
Heat transference efficiency between strong guide wave device 1 and cooling fin 16, improves heat dissipation effect.
Optionally, as shown in Figure 1, the upper surface of lens body 21 is the plane of incidence 212, the plane of incidence 212 is plane.
The plane of incidence 212 of lens body 21 can be abutted with the lower end surface of guided wave access, the electromagnetic wave through guided wave tunnel
It can enter in lens body 21 through the plane of incidence 212.
Optionally, as shown in Figure 3 and Figure 4, the top of lens body 21 is equipped with the loaded segment 211 of taper, guided wave access
Lower part is equipped with the accommodating chamber 13 of taper, and loaded segment 211 protrudes into accommodating chamber 13 or loaded segment 211 and protrudes into after accommodating chamber 13
In guided wave access, there is air gap between the outer side surface of loaded segment 211 and the interior sidewall surface of accommodating chamber 13.
There is gap, which is air gap, can be between the outer side surface of loaded segment 211 and the interior sidewall surface of accommodating chamber 13
Impedance transition is carried out between different medium, matching performance is good.
Optionally, as shown in figure 4, the cone angle 1 of loaded segment 211 is greater than the cone angle 2 of accommodating chamber 13, so that loaded segment 211
Outer side surface and accommodating chamber 13 interior sidewall surface between the size in gap be gradually reduced from top to bottom, i.e. the gap on top
Greatly, the gap of lower part is small.
In conclusion radar antenna provided by the embodiment of the utility model, by being equipped in the outside wall surface of guide wave device
Cooling fin, and the sealing ring between lens antenna and guide wave device is arranged adjacent to cooling fin, therefore using cooling fin to close
Seal is radiated, so as not to influence the sealing of sealing ring, so that radar antenna can be in the case where being suitable for hot environment.In addition, logical
It crosses and threaded joints is set on the outer side surface of guide wave device, for being fixedly connected with flange, batch can, to enhance radar antenna
Bearing capacity so that radar antenna can be applied to hyperbaric environment.So radar antenna provided by the embodiment of the utility model can
Applied to high temperature and high pressure environment.
In the description of the utility model embodiment unless specifically defined or limited otherwise, term " connection ", " fixation "
Etc. shall be understood in a broad sense, for example, term " connection " may be fixed connection or may be dismantle connection, or integral connection；
It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary；It can be machinery
Connection, is also possible to be electrically connected.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Although embodiment disclosed by the application is as above, the content only for ease of understanding the application and use
Embodiment is not limited to the application.Technical staff in any the application fields, is taken off not departing from the application
Under the premise of the spirit and scope of dew, any modification and variation, but the application can be carried out in the form and details of implementation
Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. a kind of radar antenna, including guide wave device and lens antenna, the guide wave device is interior to be equipped with guided wave access, and feature exists
In: the lens antenna includes lens body and interconnecting piece, and the lower end of the interconnecting piece is connect with the upper end of the lens body,
Be equipped with the installation cavity penetrated through downwards in the guide wave device, the interconnecting piece protrude into the installation cavity and with the guide wave device
Fixed, the outside wall surface of the guide wave device is equipped with cooling fin.
2. radar antenna according to claim 1, it is characterised in that: the interconnecting piece is the interconnecting piece of annular, the company
Sealing ring is equipped between the outer side surface of socket part and the inner cavity wall surface of the installation cavity, and the sealing ring is adjacent to the cooling fin
Setting.
3. radar antenna according to claim 2, it is characterised in that: the position of the sealing ring is not higher than the cooling fin
Position.
4. radar antenna according to claim 2 or 3, it is characterised in that: the outer side surface of the guide wave device is equipped with
Annular recess, the cooling fin is the annular fin being circumferentially arranged along the guide wave device, and is arranged recessed in the annular
At portion.
5. radar antenna according to claim 4, it is characterised in that: the position of the sealing ring is higher than the annular recess
Bottom wall.
6. radar antenna according to claim 2 or 3, it is characterised in that: the outer side surface of the guide wave device is equipped with
Threaded joints, the cooling fin and the sealing ring are located at the top of the threaded joints.
7. radar antenna according to any one of claim 1-3, it is characterised in that: the guide wave device and the heat dissipation
Piece is an integral structure.
8. radar antenna according to any one of claim 1-3, it is characterised in that: the outer side surface of the guide wave device
It is equipped with multiple cooling fins.
9. radar antenna according to any one of claim 1-3, it is characterised in that: the upper surface of the lens body is
The plane of incidence, the plane of incidence are plane.
10. radar antenna according to any one of claim 1-3, it is characterised in that: the top of the lens body is set
There is the loaded segment of taper, the lower part of the guided wave access is equipped with the accommodating chamber of taper, and the loaded segment protrudes into the accommodating chamber, or
Loaded segment described in person protrudes into the guided wave access after passing through the accommodating chamber, the outer side surface of the loaded segment and the receiving
There is air gap between the interior sidewall surface of chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920664588.9U CN209641803U (en) | 2019-05-10 | 2019-05-10 | A kind of radar antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920664588.9U CN209641803U (en) | 2019-05-10 | 2019-05-10 | A kind of radar antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209641803U true CN209641803U (en) | 2019-11-15 |
Family
ID=68498359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920664588.9U Expired - Fee Related CN209641803U (en) | 2019-05-10 | 2019-05-10 | A kind of radar antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209641803U (en) |
-
2019
- 2019-05-10 CN CN201920664588.9U patent/CN209641803U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |