CN214458119U - Radar stock rod antenna with temperature measurement function - Google Patents
Radar stock rod antenna with temperature measurement function Download PDFInfo
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- CN214458119U CN214458119U CN202120477664.2U CN202120477664U CN214458119U CN 214458119 U CN214458119 U CN 214458119U CN 202120477664 U CN202120477664 U CN 202120477664U CN 214458119 U CN214458119 U CN 214458119U
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Abstract
The utility model discloses a radar stock rod antenna with temperature measurement function, including the pillar, be provided with a pillar between outer tube and the waveguide pipe at least, the waveguide connecting piece that the top of waveguide pipe set up, be provided with the mounting hole of installation pillar on the sweeping connecting piece that sets up between waveguide connecting piece and the outer tube, the top of pillar passes the mounting hole and stretches out the sweeping connecting piece, the outer tube passes through the antenna with the bottom of waveguide pipe to be connected, be provided with the fixed orifices of fixed pillar on the upper surface of antenna, the fixed orifices is the blind hole; the inside of pillar is provided with temperature sensor, and temperature sensor fixes the top at the pillar. The utility model adopts the above structure have the radar stock rod antenna of temperature measurement function, can solve current antenna and can not carry out temperature measurement's problem, reduce the trompil at blast furnace top, improve the security of blast furnace.
Description
Technical Field
The utility model belongs to the technical field of radar stock rod antenna structure technique and specifically relates to a radar stock rod antenna with temperature measurement function is related to.
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 utility model patent CN212316158U discloses an antenna assembly of radar stock rod, including the wave guide, the outside cover of wave guide is equipped with the outer tube, and the bottom of wave guide is provided with the antenna, and the top of wave guide is passed through the waveguide connecting piece and is connected with radar stock rod host computer, is provided with between the top of outer tube and the waveguide connecting piece and sweeps the connecting piece, sweeps and is provided with the connecting hole on the lateral wall of connecting piece, sweeps in the through-hole that the pipe passed setting on the outer tube lateral wall inserts the connecting hole, sweeps the inside intercommunication that the pipe passes through inlet port and wave guide. The antenna assembly solves the problems that the existing antenna is easy to cause emitter damage, weak radar echo and low measurement precision. However, the above antenna assembly does not have an integrated temperature measuring device, and cannot measure the temperature of the blast furnace, and the temperature measuring device needs to be additionally installed on the top of the blast furnace, and the more holes are formed on the blast furnace as a large-scale device, the more the number of holes is increased, the more the service condition and safety of the blast furnace are affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a radar stock rod antenna with temperature measurement function solves current antenna and can not carry out temperature measurement's problem, reduces the trompil at blast furnace top, improves the security of blast furnace.
In order to achieve the purpose, the utility model provides a radar stock rod antenna with temperature measurement function, including the pillar, be provided with a pillar between outer tube and the waveguide pipe at least, the waveguide connecting piece that the top of waveguide pipe set up, be provided with the mounting hole of installation pillar on the sweeping connecting piece that sets up between waveguide connecting piece and the outer tube, the top of pillar passes the mounting hole and stretches out the sweeping connecting piece, the outer tube passes through the antenna with the bottom of waveguide pipe and is connected, be provided with the fixed orifices of fixed pillar on the upper surface of antenna, the fixed orifices is the blind hole; the inside of pillar is provided with temperature sensor, and temperature sensor fixes the top at the pillar.
Preferably, the protective pipe is a steel pipe, and the inner surface and the outer surface of the protective pipe are both smooth surfaces.
Preferably, the aperture of the mounting hole is larger than the outer diameter of the protective pipe, and the protective pipe is welded with the purging connecting piece or fixedly connected with the purging connecting piece through a screw.
Preferably, an internal thread is arranged on the inner surface of the top end of the protective pipe, a connecting seat is arranged on the top end of the temperature sensor, an external thread matched with the internal thread of the protective pipe is arranged on the connecting seat, and the connecting seat is fixedly connected with the protective pipe through a thread.
Preferably, the temperature sensor is located in the center of the protective tube.
A radar stock rod antenna with temperature measurement function, be provided with a pillar between outer tube and wave guide at least, the inside of pillar is provided with temperature sensor, the pillar has the effect of direction and protection to temperature sensor. The temperature sensor detects the temperature of the top of the blast furnace through heat conduction, and is integrated with the antenna, so that the open holes in the top of the blast furnace are reduced, and the safety performance of the blast furnace is improved.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a radar rod antenna with a temperature measurement function according to the present invention;
fig. 2 is a schematic perspective view of an embodiment of a radar rod antenna with a temperature measurement function according to the present invention;
fig. 3 is a schematic view of a top mounting structure of a temperature sensor of an embodiment of the radar rod antenna with temperature measurement function of the present invention;
fig. 4 is the utility model relates to a temperature sensor bottom mounting structure sketch map of radar stock rod antenna embodiment with temperature measurement function.
Reference numerals
1. An outer sleeve; 2. a waveguide; 3. protecting the pipe; 4. a waveguide connector; 5. purging the connecting piece; 6. an air inlet; 7. an antenna; 8. a purge tube; 9. a temperature sensor; 10. a connecting seat.
Detailed Description
The technical solution of the present invention is further explained by the accompanying drawings and examples.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
Fig. 1 is the utility model relates to a structural schematic diagram of radar stock rod antenna embodiment with temperature measurement function, fig. 2 is the utility model relates to a spatial structure schematic diagram of radar stock rod antenna embodiment with temperature measurement function, fig. 3 is the utility model relates to a temperature sensor top mounting structure schematic diagram of radar stock rod antenna embodiment with temperature measurement function, fig. 4 is the utility model relates to a temperature sensor bottom mounting structure schematic diagram of radar stock rod antenna embodiment with temperature measurement function. As shown in the figure, the radar stock rod antenna with the temperature measuring function comprises a protective pipe 3, and at least one protective pipe 3 is arranged between an outer sleeve 1 and a waveguide pipe 2. The protective pipe 3 is a steel pipe, and the inner surface and the outer surface of the protective pipe 3 are both smooth surfaces. The inside of pillar 3 is provided with temperature sensor 9, and temperature sensor 9 is fixed in the top of pillar 3. The top end of temperature sensor 9 is provided with connecting seat 10, and the top end of temperature sensor 9 is fixed in the middle part of connecting seat 10 lower surface. Be provided with the internal thread on the top internal surface of pillar 3, be provided with the external screw thread with the internal thread looks adaptation of pillar 3 on the connecting seat 10, connecting seat 10 passes through thread fixed connection with pillar 3 to realize the fixed of temperature sensor 9 in pillar 3. The temperature sensor 9 is located in the center of the protection tube 3. The protective tube 3 guides the 3mm filament of the temperature sensor 9 to the bottom of the protective tube 3, and detects the temperature of the top of the blast furnace by heat conduction. The protective pipe 3 has the functions of protection and guidance for the temperature sensor 9, and the temperature sensor 9 is prevented from shaking between the outer sleeve 1 and the waveguide tube 2 in the using process to influence the service life of the temperature sensor 9. The temperature sensor 9 is electrically connected to a control device of the blast furnace, and the existing electrical connection method is selected and used as required.
The waveguide connecting piece 4 is arranged at the top of the waveguide tube 2, and the sweeping connecting piece 5 arranged between the waveguide connecting piece 4 and the outer sleeve 1 is provided with a mounting hole for mounting the protective tube 3. The top end of the protective tube 3 penetrates through the mounting hole to extend out of the blowing connecting piece 5, so that the temperature sensor 9 can be conveniently mounted. The aperture of the mounting hole is larger than the outer diameter of the protective pipe 3, and the protective pipe 3 is welded with the blowing connecting piece 5 or fixedly connected with the blowing connecting piece through a screw. The outer sleeve 1 is connected with the bottom end of the waveguide tube 2 through an antenna 7, a fixing hole for fixing the protective tube 3 is formed in the upper surface of the antenna 7, and the fixing hole is a blind hole. The aperture of the fixing hole is slightly larger than the outer diameter of the protective tube 3. The top end of the protective pipe 3 is inserted into the mounting hole of the blowing connecting piece 5, and the bottom end of the protective pipe 3 is inserted into the fixing hole on the antenna 7, so that the protective pipe 3 is fixed between the outer sleeve 1 and the waveguide tube 2.
An air inlet 6 is arranged on the waveguide connecting piece 4, and the air inlet 6 is communicated with a purging pipe 8 arranged on the purging connecting piece 5.
Therefore, the utility model adopts the above structure have the radar stock rod antenna of temperature measurement function, can solve current antenna and can not carry out temperature measurement's problem, reduce the trompil at blast furnace top, improve the security of blast furnace.
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 skilled in the art should understand that: the technical solution of the present invention can still be modified or replaced by other equivalent means, and the modified technical solution can not be separated from the spirit and scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a radar stock rod antenna with temperature measurement function which characterized in that: the device comprises a protective tube, at least one protective tube is arranged between an outer sleeve and a waveguide tube, a waveguide connecting piece is arranged at the top of the waveguide tube, a mounting hole for mounting the protective tube is formed in a blowing connecting piece arranged between the waveguide connecting piece and the outer sleeve, the top end of the protective tube penetrates through the mounting hole and extends out of the blowing connecting piece, the outer sleeve is connected with the bottom end of the waveguide tube through an antenna, a fixing hole for fixing the protective tube is formed in the upper surface of the antenna, and the fixing hole is a blind hole; the inside of pillar is provided with temperature sensor, and temperature sensor fixes the top at the pillar.
2. The radar probe antenna with temperature measurement function according to claim 1, wherein: the protective pipe is a steel pipe, and the inner surface and the outer surface of the protective pipe are smooth surfaces.
3. The radar probe antenna with temperature measurement function according to claim 1, wherein: the aperture of the mounting hole is larger than the outer diameter of the protective pipe, and the protective pipe is welded with the purging connecting piece or fixedly connected with the purging connecting piece through a screw.
4. The radar probe antenna with temperature measurement function according to claim 1, wherein: the internal thread is arranged on the inner surface of the top end of the protective pipe, the connecting seat is arranged on the top end of the temperature sensor, the external thread matched with the internal thread of the protective pipe is arranged on the connecting seat, and the connecting seat is fixedly connected with the protective pipe through the thread.
5. The radar probe antenna with temperature measurement function according to claim 1, wherein: the temperature sensor is positioned in the center of the protective tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120477664.2U CN214458119U (en) | 2021-03-05 | 2021-03-05 | Radar stock rod antenna with temperature measurement function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120477664.2U CN214458119U (en) | 2021-03-05 | 2021-03-05 | Radar stock rod antenna with temperature measurement function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214458119U true CN214458119U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120477664.2U Active CN214458119U (en) | 2021-03-05 | 2021-03-05 | Radar stock rod antenna with temperature measurement function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214458119U (en) |
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2021
- 2021-03-05 CN CN202120477664.2U patent/CN214458119U/en active Active
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