CN111676340A - Antenna assembly of radar stock rod - Google Patents
Antenna assembly of radar stock rod Download PDFInfo
- Publication number
- CN111676340A CN111676340A CN202010670374.XA CN202010670374A CN111676340A CN 111676340 A CN111676340 A CN 111676340A CN 202010670374 A CN202010670374 A CN 202010670374A CN 111676340 A CN111676340 A CN 111676340A
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- waveguide
- connecting piece
- antenna
- radar
- pipe
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- 239000000523 sample Substances 0.000 claims abstract description 29
- 238000010408 sweeping Methods 0.000 claims abstract description 5
- 238000010926 purge Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 22
- 238000003860 storage Methods 0.000 claims description 13
- 230000000670 limiting effect Effects 0.000 claims description 11
- 238000005259 measurement Methods 0.000 abstract description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- 239000002245 particle Substances 0.000 description 9
- 238000007664 blowing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/24—Test rods or other checking devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/225—Supports; Mounting means by structural association with other equipment or articles used in level-measurement devices, e.g. for level gauge measurement
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The invention discloses an antenna assembly of a radar stock rod, and belongs to the technical field of radar stock rod devices. The antenna assembly comprises a waveguide tube, an outer sleeve is sleeved outside the waveguide tube, an antenna is arranged at the bottom end of the waveguide tube, a waveguide connecting piece is arranged at the top end of the waveguide tube, and the top end of the waveguide connecting piece is connected with the radar stock rod host. The bottom and the antenna surface of outer tube are connected, are provided with between the top of outer tube and the waveguide connecting piece and sweep the connecting piece, are provided with the connecting hole that pierces through the connecting piece on the lateral wall of sweeping the connecting piece, sweep the pipe and pass the through-hole that sets up on the outer tube lateral wall and insert in the connecting hole, the even inlet port that is provided with a plurality of and sweeps the pipe intercommunication on the lateral wall of waveguide connecting piece, sweep the inside intercommunication that the pipe passes through inlet port and waveguide pipe. The antenna assembly of the radar probe rod with the structure can solve the problems that an emitting electrode is easy to damage, radar echo is weak and measurement accuracy is low in the existing antenna.
Description
Technical Field
The invention belongs to the technical field of radar stock rod devices, and particularly relates to an antenna assembly of a radar stock rod.
Background
With the continuous promotion of the national obsolete laggard capacity policy of the steel industry, the blast furnace is gradually enlarged, the production efficiency of the large-scale blast furnace is high, the production cost tends to be reasonable, and the like. At present, the control of the feeding of a blast furnace is completed by a mechanical measuring rod, the mechanical measuring rod comprises a heavy hammer, a chain, a speed reducer, a motor, a band-type brake, a control device, an encoder position detection device, a display instrument output and the like, and the mechanical measuring rod is complex in structure, multiple in moving parts, multiple in electronic parts, easy to damage and capable of influencing the working efficiency of the blast furnace.
The radar probe utilizes the special performance of electromagnetic waves to detect the material level. The physical properties of electromagnetic waves are similar to those of visible light, and the propagation speed is equivalent to the speed of light. The frequency is 300MHz-3000 GHz. Electromagnetic waves can penetrate through space steam, dust and other interference sources, and are easy to reflect when encountering obstacles. Because the radar stock rod adopts advanced echo processing and data processing technology and the diffraction capability of the radar wave in the frequency band is stronger than that of a higher frequency band, the radar stock rod has better performance than a contact type charge level indicator and a similar non-contact charge level indicator. Therefore, the radar probe is widely applied to the blast furnace at present.
The existing radar probe is fixed on the top of a blast furnace through a sealing structure, a horn-mouth-shaped antenna is arranged at the bottom of the radar probe, a radar sounding rod is fixed on the top of the blast furnace and is positioned above a valve, the horn-shaped antenna of the radar sounding rod is arranged above the valve, radar waves need to be radiated into the furnace through the valve and a pipeline below the valve, the electromagnetic waves are easily reflected by metal substances, the electromagnetic waves transmitted by the radar are greatly attenuated, and the weak measuring effect of radar echo is poor.
In addition, the emitting electrode of the radar gauge rod is positioned above the horn mouth, and small-particle materials in the blast furnace easily touch the emitting electrode in the jumping process, so that the emitting electrode is damaged, and the service life of the radar gauge rod is influenced.
Disclosure of Invention
The invention aims to provide an antenna assembly of a radar stock rod, which solves the problems that an emitting electrode is easy to damage, radar echo is weak and measurement accuracy is low in the conventional antenna assembly.
In order to achieve the purpose, the invention provides an antenna assembly of a radar stock rod, which comprises a waveguide tube, wherein an outer sleeve is sleeved outside the waveguide tube, an antenna is arranged at the bottom end of the waveguide tube, a waveguide connecting piece is arranged at the top end of the waveguide tube, and the top end of the waveguide connecting piece is connected with a radar stock rod host;
the bottom and the antenna surface of outer tube are connected, are provided with between the top of outer tube and the waveguide connecting piece and sweep the connecting piece, are provided with the connecting hole that pierces through the connecting piece on the lateral wall of sweeping the connecting piece, sweep the pipe and pass the through-hole that sets up on the outer tube lateral wall and insert in the connecting hole, the even inlet port that is provided with a plurality of and sweeps the pipe intercommunication on the lateral wall of waveguide connecting piece, sweep the inside intercommunication that the pipe passes through inlet port and waveguide pipe.
Preferably, the antenna is the notch cuttype structure, and the bottom of outer tube supports and leans on the ladder face of antenna surface, and the inside of antenna is provided with horn mouth and the connector coaxial with the antenna, and the connector is located the top of horn mouth and communicates with the horn mouth, and the bottom of waveguide pipe inserts in the connector.
Preferably, the waveguide connecting piece includes connecting portion and last connecting portion down, and the waveguide is inserted and is established the lower connecting cavity that connecting portion inside set up down, and the inside of going up connecting portion is provided with the last connecting cavity of inserting and establishing radar stock rod host computer, connects through the intercommunication chamber intercommunication between chamber and the last connecting cavity down, connects through the toper chamber intercommunication between the chamber under and, and even being provided with 4 inlet ports on the lateral wall in toper chamber.
Preferably, the inside of the blowing connecting piece is provided with a through hole for the waveguide connecting piece to pass through, the middle part of the through hole is provided with an annular air storage chamber, one end of the air storage chamber is communicated with the blowing pipe, and the other end of the air storage chamber is communicated with the air inlet hole.
Preferably, a limiting table for limiting the purging pipe is arranged in the connecting hole, and a through hole communicated with the inner cavity of the purging pipe is formed in the middle of the limiting table.
Preferably, a connecting disc connected with the sealing connecting piece is arranged on the outer surface of the outer sleeve, and a handle is arranged on the connecting disc.
The antenna assembly of the radar sounding rod has the advantages and positive effects that:
1. be provided with the waveguide pipe between antenna and radar stock rod host computer, the diameter of waveguide pipe is less, and length is longer for the projecting pole of plastics material can not be touched easily to the tiny particle material in the blast furnace, and the effectual projecting pole of protecting has improved the life of radar stock rod.
2. The blowing connecting piece is provided with a blowing pipe, the blowing pipe sends nitrogen into the waveguide pipe through the air storage chamber and the air inlet hole, the emitting electrode is cooled on the one hand, dust and small particles entering the waveguide pipe are blown off on the other hand, and the dust and the small particle materials are prevented from being deposited on the waveguide pipe.
3. The outer sleeve is connected with the sealing connecting piece in a sealing mode through the sealing ring, the antenna penetrates through the sealing connecting piece to be inserted into the furnace body, and detection is more accurate. During maintenance, the antenna is lifted and clamped above the valve, the antenna is taken out of the sealing connecting piece after the valve is closed, the radar stock rod is maintained, and blowing-out maintenance is avoided.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic cross-sectional view of an antenna assembly of a radar probe according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of an antenna assembly of a radar probe according to the present invention;
FIG. 3 is a schematic view of an antenna assembly of a radar probe according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an antenna assembly of an embodiment of a radar probe according to the present invention;
FIG. 5 is a schematic view of a waveguide connector of an embodiment of an antenna assembly of a radar probe according to the present invention;
fig. 6 is a schematic structural diagram of a purging connection component of an antenna assembly of a radar probe according to an embodiment of the present invention.
Reference numerals
1. An outer sleeve; 2. a waveguide; 3. an antenna; 4. a waveguide connector; 5. purging the connecting piece; 6. a purge tube; 7. an air inlet; 8. an air storage chamber; 9. a connecting disc; 10. a handle; 11. a radar stock rod host; 12. a sealing connection; 13. a valve; 14. a bell mouth; 15. a connecting port; 16. a lower connecting portion; 17. an upper connecting portion; 18. connecting holes; 19. a limiting table; 20. a lower connecting cavity; 21. an upper connecting cavity; 22. a communicating chamber.
Detailed Description
Examples
The present invention will be further described with reference to the accompanying drawings, and it should be noted that the present embodiment is based on the technical solution, and the detailed implementation and the specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
Fig. 1 is a schematic cross-sectional structure view of an embodiment of an antenna assembly of a radar probe according to the present invention, and fig. 2 is a schematic structural view of an embodiment of an antenna assembly of a radar probe according to the present invention. As shown in the figure, the antenna assembly of the radar probe comprises a waveguide tube 2, and an outer sleeve 1 is sleeved outside the waveguide tube 2. The bottom of waveguide tube 2 is provided with antenna 3, and the top of waveguide tube 2 is provided with waveguide connecting piece 4, and the top of waveguide connecting piece 4 is connected with radar stock rod host computer 11. The waveguide tube 2 is used for connecting the radar stock rod host 11 and the antenna 3, the waveguide tube 2 and the waveguide connecting piece 4 are all made of stainless steel materials. The bottom end of the outer sleeve 1 is connected with the outer surface of the antenna 3.
Fig. 4 is a schematic diagram of an antenna structure of an embodiment of an antenna assembly of a radar probe according to the present invention. As shown in the figure, the antenna 3 is of a step-shaped structure, and the bottom end of the outer sleeve 1 abuts against the step surface on the outer surface of the antenna 3. The outer sleeve 1 and the antenna 3 can be connected in an interference fit mode, and the connection strength between the sleeve and the antenna 3 is guaranteed. The antenna 3 is provided with a bell mouth 14 and a connection port 15 inside, which are coaxial with the antenna 3, and the connection port 15 is positioned above the bell mouth 14 and communicates with the bell mouth 14. The bottom end of the waveguide 2 is inserted into the connection port 15, and an annular stopper plate having a stopper function for the waveguide 2 may be provided inside the connection port 15. The waveguide 2 and the antenna 3 can also be connected in an interference fit manner, and the axis of the waveguide 2 and the axis of the antenna 3 are on the same straight line, so that the internal cavity of the waveguide 2 is coaxial and communicated with the connecting hole 18 and the bell mouth 14.
And a purging connecting piece 5 is arranged between the top end of the outer sleeve 1 and the waveguide connecting piece 4, and the purging connecting piece 5 is of an annular structure. The outer surface of the purging connecting piece 5 and the outer sleeve 1 can be connected in an interference fit manner; it is also possible to provide a sealing ring on the outer surface of the blowing connector or on the inner surface of the outer sleeve 1, so that the blowing connector 5 is connected to the outer sleeve 1 in a sealing and fixed manner. The inner surface of the purging connecting piece 5 and the waveguide connecting piece 4 can be connected in an interference fit mode, and can also be connected in a sealing mode. The side wall of the purging connecting piece 5 is provided with a connecting hole 18 penetrating through the purging connecting piece 5, and the purging pipe 6 passes through a through hole arranged on the side wall of the outer sleeve 1 and is inserted into the connecting hole 18. A plurality of air inlet holes 7 communicated with the purging pipe 6 are uniformly formed in the side wall of the waveguide connecting piece 4, and the purging pipe 6 is communicated with the inner cavity of the waveguide tube 2 through the air inlet holes 7. Purging pipe 6 and external nitrogen gas jar intercommunication, liquid nitrogen in the nitrogen gas jar enters into the inside cavity of waveguide pipe 2 through purging pipe 6 and inlet port 7, cools off the projecting pole of radar stock rod host computer 11 on the one hand, and on the other hand will enter into the dust or the tiny particle of waveguide pipe 2 in through antenna 3 and blow off, reduces the probability that the tiny particle matter touches the projecting pole through waveguide pipe 2, carries out effectual protection to the projecting pole, improves the life of radar stock rod.
Fig. 5 is a schematic structural diagram of a waveguide connection component of an embodiment of an antenna assembly of a radar probe according to the present invention. As shown, the waveguide connector 4 includes a lower connection portion 16 and an upper connection portion 17, and the size of the upper connection portion 17 is larger than that of the lower connection portion 16. The waveguide 2 is inserted into a lower connection chamber 20 provided inside the lower connection portion 16, and the waveguide 2 is interference-fitted to the lower connection portion 16. The inside of going up connecting portion 17 is provided with inserts the last connecting cavity 21 of establishing radar stock rod host computer 11, and radar stock rod host computer 11 and last connecting portion 17 interference fit. The lower connecting cavity 20 is communicated with the upper connecting cavity 21 through a communicating cavity 22, the communicating cavity 22 is communicated with the lower connecting cavity 20 through a conical cavity, and the upper connecting cavity 21, the communicating cavity 22, the conical cavity and the lower connecting cavity 20 are all coaxial with the waveguide connecting piece 4. The lateral wall of the conical cavity is uniformly provided with 4 air inlets 7, and the 4 air inlets 7 are positioned on the same cross section. After the small particles in the blast furnace enter the waveguide tube 2 through the antenna 3, the inner diameter of the waveguide tube 2 is small, the length is long, the small particles touch the inner wall of the waveguide tube 2 in the movement process and fall, the probability that the small particles touch the emitting electrode in the blast furnace can be effectively reduced, and the emitting electrode of the radar stock rod host 11 is effectively protected.
Fig. 6 is a schematic structural diagram of a purging connection component of an antenna assembly of a radar probe according to an embodiment of the present invention. As shown in the figure, a through hole for the waveguide connecting piece 4 to pass through is formed in the purging connecting piece 5, an annular air storage chamber 8 is arranged in the middle of the through hole, one end of the air storage chamber 8 is communicated with the purging pipe 6, and the other end of the air storage chamber 8 is communicated with the air inlet 7. A limiting table 19 with a limiting effect on the purging pipe 6 is arranged in the connecting hole 18, and a through hole communicated with the inner cavity of the purging pipe 6 is formed in the middle of the limiting table 19. The nitrogen in the purging pipe 6 enters the air storage chamber 8 through the connecting hole 18, and the nitrogen in the air storage chamber 8 enters the inner cavity of the waveguide pipe 2 through the air inlet 7.
The outer surface of the outer sleeve 1 is provided with a connecting disc 9 connected with a sealing connecting piece 12, and the connecting disc 9 is provided with a handle 10. The outer tube 1 may be provided with no connection pad 9, and the antenna 3 assembly may be taken out of the blast furnace by a conventional lifting mechanism.
Fig. 3 is a schematic view of an installation structure of an antenna assembly of a radar probe according to an embodiment of the present invention. As shown in the figure, sealing connecting piece 12 is current structure, and sealing connecting piece 12's middle part is provided with valve 13, and flange dish and bolt and blast furnace fixed connection are passed through to sealing connecting piece 12's bottom, and inside outer tube 1 inserted sealing connecting piece 12 to pass inside sealing connecting piece 12 stretches into the blast furnace, improved the measuring precision, seal through the sealing washer of rubber between outer tube 1 and the sealing connecting piece 12. When the radar probe breaks down and needs to be overhauled, the antenna 3 assembly and the radar probe main machine 11 are lifted upwards through the lifting mechanism or the handle 10, the bottom end of the antenna 3 is lifted above the valve 13, but the bottom end of the antenna 3 is not lifted out of the sealing connecting piece 12; then the valve 13 is closed, and the antenna 3 assembly together with the radar probe main machine 11 is completely taken out of the sealing connecting piece 12 for maintenance. The online maintenance of the radar stock rod can be realized without blowing out the furnace, and the working efficiency is improved.
Therefore, the antenna assembly of the radar probe with the structure can solve the problems that the existing antenna assembly is easy to cause emitter damage, radar echo is weak and measurement is inaccurate.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.
Claims (6)
1. An antenna assembly of radar stock rod which characterized in that: the radar probe comprises a waveguide tube, wherein an outer sleeve is sleeved outside the waveguide tube, an antenna is arranged at the bottom end of the waveguide tube, a waveguide connecting piece is arranged at the top end of the waveguide tube, and the top end of the waveguide connecting piece is connected with a radar probe host;
the bottom and the antenna surface of outer tube are connected, are provided with between the top of outer tube and the waveguide connecting piece and sweep the connecting piece, are provided with the connecting hole that pierces through the connecting piece on the lateral wall of sweeping the connecting piece, sweep the pipe and pass the through-hole that sets up on the outer tube lateral wall and insert in the connecting hole, the even inlet port that is provided with a plurality of and sweeps the pipe intercommunication on the lateral wall of waveguide connecting piece, sweep the inside intercommunication that the pipe passes through inlet port and waveguide pipe.
2. An antenna assembly for a radar probe according to claim 1, wherein: the antenna is the notch cuttype structure, and the bottom of outer tube supports and leans on the ladder face of antenna surface, and the inside of antenna is provided with horn mouth and the connector coaxial with the antenna, and the connector is located the top of horn mouth and communicates with the horn mouth, and the bottom of waveguide pipe inserts in the connector.
3. An antenna assembly for a radar probe according to claim 1, wherein: the waveguide connecting piece includes connecting portion and last connecting portion down, and the waveguide tube is inserted and is established the lower connection intracavity that connecting portion inside set up down, and the inside of going up connecting portion is provided with the last connection chamber of inserting and establishing radar stock rod host computer, connects down to connect between chamber and the last connection chamber through the intercommunication chamber intercommunication, and intercommunication chamber and connect down between the chamber through the toper chamber intercommunication, even on the lateral wall in toper chamber be provided with 4 inlet ports.
4. An antenna assembly for a radar probe according to claim 1, wherein: the inside of sweeping the connecting piece is provided with a through hole through which the waveguide connecting piece passes, the middle part of the through hole is provided with an annular air storage chamber, one end of the air storage chamber is communicated with the sweeping pipe, and the other end of the air storage chamber is communicated with the air inlet hole.
5. An antenna assembly for a radar probe according to claim 1, wherein: the connecting hole is internally provided with a limiting table which has a limiting effect on the purging pipe, and the middle part of the limiting table is provided with a through hole communicated with the inner cavity of the purging pipe.
6. An antenna assembly for a radar probe according to claim 1, wherein: and a connecting disc connected with the sealing connecting piece is arranged on the outer surface of the outer sleeve, and a handle is arranged on the connecting disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670374.XA CN111676340A (en) | 2020-07-13 | 2020-07-13 | Antenna assembly of radar stock rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010670374.XA CN111676340A (en) | 2020-07-13 | 2020-07-13 | Antenna assembly of radar stock rod |
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| Publication Number | Publication Date |
|---|---|
| CN111676340A true CN111676340A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010670374.XA Pending CN111676340A (en) | 2020-07-13 | 2020-07-13 | Antenna assembly of radar stock rod |
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| CN (1) | CN111676340A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1046222A (en) * | 1996-07-25 | 1998-02-17 | Nippon Steel Corp | Device for generating impulse wave in measuring instrument in furnace |
| JPH11279609A (en) * | 1998-03-31 | 1999-10-12 | Nkk Corp | Method for measuring shape of raceway |
| JP2002243845A (en) * | 2001-02-14 | 2002-08-28 | Shinko Mex Co Ltd | Radar device and distance measuring method by the same |
| JP2002275516A (en) * | 2001-03-14 | 2002-09-25 | Shinko Mex Co Ltd | Instrument and method for measuring distribution shape of charged materials |
| CN103667562A (en) * | 2013-12-10 | 2014-03-26 | 天津市三特电子有限公司 | Built-in one-way valve type automatic high-temperature imaging protective device |
| CN107502693A (en) * | 2017-09-28 | 2017-12-22 | 北京科技大学 | A kind of blast furnace radar scanner of electromechanical separation |
| CN108879033A (en) * | 2018-06-21 | 2018-11-23 | 成都旭思特科技有限公司 | The connector of waveguide cavity waveguide performance can be improved |
| CN210560541U (en) * | 2019-08-06 | 2020-05-19 | 唐山嘉科科技有限公司 | Online lifting ruler type radar stock rod |
| CN212316158U (en) * | 2020-07-13 | 2021-01-08 | 唐山嘉科科技有限公司 | Antenna assembly of radar stock rod |
-
2020
- 2020-07-13 CN CN202010670374.XA patent/CN111676340A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1046222A (en) * | 1996-07-25 | 1998-02-17 | Nippon Steel Corp | Device for generating impulse wave in measuring instrument in furnace |
| JPH11279609A (en) * | 1998-03-31 | 1999-10-12 | Nkk Corp | Method for measuring shape of raceway |
| JP2002243845A (en) * | 2001-02-14 | 2002-08-28 | Shinko Mex Co Ltd | Radar device and distance measuring method by the same |
| JP2002275516A (en) * | 2001-03-14 | 2002-09-25 | Shinko Mex Co Ltd | Instrument and method for measuring distribution shape of charged materials |
| CN103667562A (en) * | 2013-12-10 | 2014-03-26 | 天津市三特电子有限公司 | Built-in one-way valve type automatic high-temperature imaging protective device |
| CN107502693A (en) * | 2017-09-28 | 2017-12-22 | 北京科技大学 | A kind of blast furnace radar scanner of electromechanical separation |
| CN108879033A (en) * | 2018-06-21 | 2018-11-23 | 成都旭思特科技有限公司 | The connector of waveguide cavity waveguide performance can be improved |
| CN210560541U (en) * | 2019-08-06 | 2020-05-19 | 唐山嘉科科技有限公司 | Online lifting ruler type radar stock rod |
| CN212316158U (en) * | 2020-07-13 | 2021-01-08 | 唐山嘉科科技有限公司 | Antenna assembly of radar stock rod |
Non-Patent Citations (1)
| Title |
|---|
| 刘少辉;: "一种K频段基片集成波导背腔贴片天线设计", 火控雷达技术, no. 03, 25 September 2018 (2018-09-25) * |
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