CN110361072B - Radar level meter antenna with cooling sweeps structure - Google Patents
Radar level meter antenna with cooling sweeps structure Download PDFInfo
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- CN110361072B CN110361072B CN201910572075.XA CN201910572075A CN110361072B CN 110361072 B CN110361072 B CN 110361072B CN 201910572075 A CN201910572075 A CN 201910572075A CN 110361072 B CN110361072 B CN 110361072B
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- level gauge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention belongs to the technical field of radar level meters, and particularly relates to a radar level meter antenna with a cooling and purging structure, aiming at the problems that the temperature of the conventional radar level meter is increased and dust is easily accumulated on the surface of the conventional radar level meter under a high-temperature environment and self heating, so that the normal heat dissipation of the conventional radar level meter is influenced. According to the invention, through the rotation of the rotating plate, the reverse change of the blowing direction of the fan airflow is realized, the radar level gauge and the antenna are radiated, and meanwhile, dust accumulated on the surface of the radar level gauge is blown and removed, so that the self radiating effect of the radar level gauge is ensured.
Description
Technical Field
The invention relates to the technical field of radar level meters, in particular to a radar level meter antenna with a cooling and purging structure.
Background
The radar level meter is a microwave level meter, adopts a microwave pulse measuring method, can be normal in the industrial frequency wave band range, has low wave beam energy, can be installed in various metal and nonmetal containers or pipelines, and can be used for carrying out non-contact continuous measurement on the level of liquid, slurry and granular materials. The method is suitable for occasions with large changes of dust, temperature and pressure and the existence of inert gases and steam. The radar level meter has no harm to human body and environment, and has the advantages of no influence of specific gravity of medium, no influence of dielectric constant change, no need of on-site calibration, etc., and is a good choice for both industrial needs and economic and practical considerations of customers.
However, the following problems exist during the use of radar level gauges:
1. in the process of measuring the material level, the radar level gauge is required to be applied to different measuring environments, and the temperature of the radar level gauge is increased under the high-temperature environment and due to self heating, so that the normal work of the radar level gauge is influenced;
2. dust is easily accumulated on the surface of the radar level meter, so that normal heat dissipation of the radar level meter is influenced;
therefore, the problem that the normal heat dissipation of the radar level gauge is affected due to the fact that the temperature of the radar level gauge is increased and dust is easily accumulated on the surface of the radar level gauge under the high-temperature environment and self heating needs to be solved urgently.
Disclosure of Invention
The invention provides a radar level gauge antenna with a cooling and purging structure, which solves the problems that the temperature of a radar level gauge is increased under a high-temperature environment and self heating, dust is easily accumulated on the surface of the radar level gauge, and normal heat dissipation of the radar level gauge is influenced.
In order to achieve the purpose, the invention adopts the following technical scheme:
the radar level meter antenna with the cooling and purging structure comprises a base and a radar level meter arranged in the base, wherein the upper side wall of the radar level meter is provided with the antenna, a cavity is formed in the base, an inserting rod is fixed on the lower side wall of the radar level meter, an electromagnet is embedded in the inserting rod, a socket which is communicated with the inside of the cavity and is matched with the inserting rod in size is formed in the inner bottom wall of the base, a collision mechanism is arranged in the cavity, a flanging which is turned inwards is formed in the upper side wall of the base in an integrated mode, two sliding rods inserted in the flanging are fixed on the upper side wall of the radar level meter, a first electric contact end connected with the electromagnet through a wire is fixed on the outer wall of one of the sliding rods, a second electric contact end which is located on the lower side of the first electric contact end and is connected with an external power supply through a wire is fixed on the inner wall of the base, be fixed with the arc tube that two symmetries set up on the outer wall of base, every the arc tube is fixed with reset spring with being located it between the commentaries on classics board with one side, the last lateral wall of base still rotates and is connected with two commentaries on classics boards that are located the arc tube inboard, every the inside wall of commentaries on classics board all is fixed with the fan, every all be fixed with branch, every on the outer wall of arc tube the pulley is all installed to the other end of branch, still be fixed with two motors that are located the arc tube downside on the outer wall of base, the drive end of motor is fixed with the stay cord of bypassing pulley and one of them commentaries on classics board lateral wall fixed connection.
Preferably, a plurality of uniformly distributed cooling fins are fixed on the upper side wall of the radar level gauge, and the cooling fins are arranged in an S shape.
Preferably, the distance between the upper ends of the flanges is smaller than the diameter of the radar level gauge.
Preferably, two buffer springs are fixed to the inner bottom wall of the base and the lower side wall of the radar level gauge.
Preferably, the interference mechanism comprises a buffer filled in the cavity, and the buffer is a magnetorheological fluid.
Preferably, the interference mechanism comprises a magnet plate fixed on the inner bottom wall of the cavity.
Compared with the prior art, the radar level gauge antenna with the cooling and purging structure has the advantages that:
1. when the motor rotates reversely, the stay cord is released, the rotating plate rotates towards the inner side under the elastic action of a return spring, the fan inclines downwards, the air flow is blown downwards to be in contact with the radar level meter, the radar level meter is cooled, the radar level meter and the antenna are cooled by the fan through the switching of the forward rotation and the reverse rotation of the motor driving end, and meanwhile, dust accumulated on the radar level meter and the antenna is swept and removed;
2. when the radar level meter moves up and down under the action of vibration, the buffer spring performs primary buffering, the inserted link moves down, the first electric contact end is contacted with the second electric contact end, an electric loop is formed between the electromagnet and an external power supply, magnetism is generated on the electromagnet, and the vibration of the radar level meter is further buffered through the contact force between the electromagnet and the contact mechanism;
in conclusion, the invention realizes the change of the reverse blowing direction of the fan airflow through the rotation of the rotating plate, realizes the heat dissipation of the radar level gauge and the antenna, and simultaneously purges and removes the dust accumulated on the surface of the radar level gauge and ensures the heat dissipation effect of the radar level gauge.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of an antenna of a radar level gauge with a cooling and purging structure according to the present invention;
FIG. 2 is a bottom view of an insert rod of an antenna of a radar level gauge with a cooling and purging structure according to the present invention;
FIG. 3 is a top view of a flange of an antenna of a radar level gauge with a cooling and purging structure according to the present invention;
FIG. 4 is a schematic structural diagram of a second embodiment of an antenna of a radar level gauge with a cooling purge structure according to the present invention.
In the figure: the device comprises a base 1, a radar level gauge 2, an antenna 3, a cavity 4, a buffer spring 5, a buffer solution 6, an inserted bar 7, a flanging 8, a sliding bar 9, an electric contact end II 10, an arc-shaped tube 11, a supporting rod 12, a pulley 13, a motor 14, a rotating plate 15, a fan 16, a pull rope 17, a reset spring 18, a radiating fin 19, an electromagnet 20 and a magnet plate 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example one
Referring to fig. 1-3, a radar level gauge antenna with a cooling and purging structure, includes a base 1 and a radar level gauge 2 disposed in the base 1, a plurality of uniformly distributed cooling fins 19 are fixed on an upper side wall of the radar level gauge 2, the cooling fins 19 are arranged in an "S" shape, the cooling fins 19 guide heat generated by the radar level gauge 2 during operation to the air to complete a cooling process, meanwhile, the cooling fins 19 arranged in the "S" shape have a wider area under the same length and a better cooling effect, the upper side wall of the radar level gauge 2 is provided with an antenna 3, two buffer springs 5 are fixed on an inner bottom wall of the base 1 and a lower side wall of the radar level gauge 2, when the radar level gauge 2 vibrates, the radar level gauge is primarily buffered by the buffer springs 5, a cavity 4 is disposed inside the base 1, an insertion rod 7 is fixed on the lower side wall of the radar level gauge 2, the electromagnet 20 is embedded in the inserting rod 7, the inner bottom wall of the base 1 is provided with a socket which is communicated with the inside of the cavity 4 and is matched with the inserting rod 7 in size, the inside of the cavity 4 is provided with a collision mechanism, the collision mechanism comprises a buffer solution 6 filled in the cavity 4, the buffer solution 6 is magnetorheological fluid, the magnetorheological fluid is one of intelligent materials which is actively researched, and the magnetorheological fluid is a suspension body formed by mixing small soft magnetic particles with high magnetic conductivity and low magnetic hysteresis and non-magnetic conductive liquid. The suspension has the characteristics of low viscosity Newtonian fluid under the condition of zero magnetic field; and under the action of a strong magnetic field, the radar level gauge 2 presents the characteristics of high viscosity and low fluidity, when the radar level gauge 2 continues to move downwards due to vibration, the first electric contact end is in contact with the second electric contact end 10, an electric loop is formed between the electromagnet 20 and an external power supply, magnetism is generated on the electromagnet 20, magnetorheological fluid changes from a high-flow state to a low-flow and high-resistance state under the magnetism, the force of the insertion rod 7 continuing to move downwards is buffered and adsorbed, the vibration of the radar level gauge 2 is further buffered, and the stability of the magnetorheological fluid is ensured.
The upper side wall integrated into one piece of base 1 has turn-ups 8 of inside turn-ups, the distance between the upper end of turn-ups 8 is less than the diameter of radar level meter 2, avoid radar level meter 2 to break away from base 1, the upper side wall of radar level meter 2 is fixed with two slide bars 9 of inserting and establishing on turn-ups 8, move on turn-ups 8 through slide bar 9 when radar level meter 2 reciprocates, steady when having guaranteed radar level meter 2 and removing, the scheduling problem has been avoided its to topple over, be fixed with the electric contact end one that is connected with electro-magnet 20 through the wire on the outer wall of one of slide bars 9, be fixed with on the inner wall of base 1 and be located electric contact end one downside and through the electric contact end two 10 of wire and external power source connection, when electric contact end one and electric contact end two 10 contact, electro-magnet 20 can be connected with external power source and form the electric circuit.
The outer wall of the base 1 is fixed with two arc tubes 11 which are symmetrically arranged, a reset spring 18 is fixed between each arc tube 11 and a rotating plate 15 which is positioned on the same side of the arc tube, the upper side wall of the base 1 is also rotatably connected with two rotating plates 15 which are positioned on the inner sides of the arc tubes 11, the inner side wall of each rotating plate 15 is fixed with a fan 16, the outer wall of each arc tube 11 is fixed with a support rod 12, the other end of each support rod 12 is provided with a pulley 13, the outer wall of the base 1 is also fixed with two motors 14 which are positioned on the lower sides of the arc tubes 11, the driving end of each motor 14 is fixed with a pull rope 17 which bypasses the pulleys 13 and is fixedly connected with the outer side wall of one rotating plate 15, when the driving end of each motor 14 rolls up the pull rope 17 to rotate the rotating plates 15 outwards, the fan 16 inclines upwards, the air flow blows up along the antenna 3, when the motors 14 rotate reversely, the pull ropes 17 are released, under, the rotating plate 15 rotates towards the inner side, the fan 16 tilts downwards, the air flow blows downwards to be in contact with the radar level meter 2, the radar level meter 2 is cooled, and the fan 16 is used for cooling the radar level meter 2 and the antenna 3 through forward and reverse rotation switching of the driving end of the motor 14.
Example two
Referring to fig. 2-4 and 1-3, a radar level gauge antenna with a cooling and purging structure comprises a base 1 and a radar level gauge 2 placed in the base 1, wherein a plurality of radiating fins 19 are uniformly distributed on the upper side wall of the radar level gauge 2, the radiating fins 19 are arranged in an S shape, the radiating fins 19 conduct and radiate heat generated during the operation of the radar level gauge 2 into the air to finish a radiating process, meanwhile, the radiating fins 19 arranged in the S shape have wider area under the same length and better radiating effect, the upper side wall of the radar level gauge 2 is provided with an antenna 3, two buffer springs 5 are fixed on the inner bottom wall of the base 1 and the lower side wall of the radar level gauge 2, when the radar level gauge 2 vibrates, primary buffering is performed through the buffer springs 5, a cavity 4 is formed in the base 1, and an insert rod 7 is fixed on the lower side wall of the radar level gauge 2, inserted bar 7's inside is inlayed and is equipped with electro-magnet 20, the inner diapire of base 1 seted up with cavity 4 inside intercommunication and size and inserted bar 7 assorted socket, cavity 4's inside is equipped with conflict mechanism, conflict mechanism is including fixing the magnet board 21 of diapire in cavity 4, when radar level meter 2 receives vibrations continuation down the removal, electric contact end one contacts with two 10 of electric contact end, form electric loop between electro-magnet 20 and the external power source, produce magnetism on the electro-magnet 20, the power that continues to move down to inserted bar 7 through the magnetic repulsion between electro-magnet 20 and the magnet board 21 is cushioned and is adsorbed, further buffering is carried out to radar level meter 2's vibrations, guarantee its stability.
The upper side wall integrated into one piece of base 1 has turn-ups 8 of inside turn-ups, the distance between the upper end of turn-ups 8 is less than the diameter of radar level meter 2, avoid radar level meter 2 to break away from base 1, the upper side wall of radar level meter 2 is fixed with two slide bars 9 of inserting and establishing on turn-ups 8, move on turn-ups 8 through slide bar 9 when radar level meter 2 reciprocates, steady when having guaranteed radar level meter 2 and removing, the scheduling problem has been avoided its to topple over, be fixed with the electric contact end one that is connected with electro-magnet 20 through the wire on the outer wall of one of slide bars 9, be fixed with on the inner wall of base 1 and be located electric contact end one downside and through the electric contact end two 10 of wire and external power source connection, when electric contact end one and electric contact end two 10 contact, electro-magnet 20 can be connected with external power source and form the electric circuit.
The outer wall of the base 1 is fixed with two arc tubes 11 which are symmetrically arranged, a reset spring 18 is fixed between each arc tube 11 and a rotating plate 15 which is positioned on the same side of the arc tube, the upper side wall of the base 1 is also rotatably connected with two rotating plates 15 which are positioned on the inner sides of the arc tubes 11, the inner side wall of each rotating plate 15 is fixed with a fan 16, the outer wall of each arc tube 11 is fixed with a support rod 12, the other end of each support rod 12 is provided with a pulley 13, the outer wall of the base 1 is also fixed with two motors 14 which are positioned on the lower sides of the arc tubes 11, the driving end of each motor 14 is fixed with a pull rope 17 which bypasses the pulleys 13 and is fixedly connected with the outer side wall of one rotating plate 15, when the driving end of each motor 14 rolls up the pull rope 17 to rotate the rotating plates 15 outwards, the fan 16 inclines upwards, the air flow blows up along the antenna 3, when the motors 14 rotate reversely, the pull ropes 17 are released, under, the rotating plate 15 rotates towards the inner side, the fan 16 tilts downwards, the air flow blows downwards to be in contact with the radar level meter 2, the radar level meter 2 is cooled, and the fan 16 is used for cooling the radar level meter 2 and the antenna 3 through forward and reverse rotation switching of the driving end of the motor 14.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The operating principle of the present invention is now explained as follows:
when the radar level gauge 2 works, the fan 16 blows air flow to the radar level gauge 2 and the antenna 3, when the driving end of the motor 14 winds the pull rope 17 to enable the rotating plate 15 to rotate towards the outer side, the fan 16 inclines upwards, the air flow blows upwards along the antenna 3, when the motor 14 rotates reversely, the pull rope 17 is released, under the elastic force action of the reset spring 18, the rotating plate 15 rotates towards the inner side, the fan 16 inclines downwards, the air flow blows downwards to be in contact with the radar level gauge 2 to dissipate heat of the radar level gauge 2, through the switching of the forward rotation and the reverse rotation of the driving end of the motor 14, the fan 16 is used for conducting heat dissipation work on the radar level gauge 2 and the antenna 3, meanwhile, the air flow blown by the fan 16 sweeps and removes dust on the surfaces of the radar level gauge 2 and the antenna 3, when the radar level gauge 2 vibrates in the using process, primary buffering of vibration is conducted through the buffer spring 5, when the radar level gauge 2 moves downwards, the first electric contact end is in contact with the second electric contact end 10, an electric loop is formed between the electromagnet 20 and an external power supply, magnetism is generated on the electromagnet 20, and the vibration of the radar level gauge 2 is further buffered through the contact force between the electromagnet 20 and the contact mechanism, so that the stability of the radar level gauge is guaranteed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The radar level gauge antenna with the cooling and purging structure comprises a base (1) and a radar level gauge (2) placed in the base (1), and is characterized in that an antenna (3) is arranged on the upper side wall of the radar level gauge (2), a cavity (4) is formed in the base (1), an insertion rod (7) is fixed on the lower side wall of the radar level gauge (2), an electromagnet (20) is embedded in the insertion rod (7), an inner bottom wall of the base (1) is provided with a socket which is communicated with the cavity (4) and is matched with the insertion rod (7) in size, a collision mechanism is arranged in the cavity (4), a turned-over edge (8) which is turned inwards is formed on the upper side wall of the base (1) in an integrated mode, two sliding rods (9) inserted into the turned-over edge (8) are fixed on the upper side wall of the radar level gauge (2), one of the sliding rods (9) is fixed on the outer wall of the other sliding rod (9) and is connected with an electromagnet (20) through a lead, the inner wall of the base (1) is fixed with a second electric contact end (10) which is positioned at the lower side of the first electric contact end and is connected with an external power supply through a lead, the outer wall of the base (1) is fixed with two arc tubes (11) which are symmetrically arranged, a reset spring (18) is fixed between each arc tube (11) and a rotating plate (15) positioned at the same side of the arc tube (11), the upper side wall of the base (1) is also rotatably connected with two rotating plates (15) positioned at the inner sides of the arc tubes (11), the inner side wall of each rotating plate (15) is fixed with a fan (16), the outer wall of each arc tube (11) is fixed with a supporting rod (12), the other end of each supporting rod (12) is provided with a pulley (13), the outer wall of the base (1) is also fixed with two motors (14) positioned at the, a pull rope (17) which is fixedly connected with the outer side wall of one of the rotating plates (15) by winding the pulley (13) is fixed at the driving end of the motor (14).
2. The radar level gauge antenna with a cooling and purging structure according to claim 1, wherein a plurality of evenly distributed cooling fins (19) are fixed to the upper side wall of the radar level gauge (2), the cooling fins (19) being arranged in an "S" shape.
3. Radar level gauge antenna with a cooling purge arrangement according to claim 1, characterised in that the distance between the upper ends of the flanges (8) is smaller than the diameter of the radar level gauge (2).
4. Radar level gauge antenna with a cooling purge arrangement according to claim 1, characterised in that two buffer springs (5) are fixed to the inner bottom wall of the base (1) and the lower side wall of the radar level gauge (2).
5. The radar level gauge antenna with a cooling and purging structure according to claim 1, wherein said interference means comprises a buffer (6) filled in the cavity (4), said buffer (6) being a magnetorheological fluid.
6. Radar level gauge antenna with a cooling purge arrangement according to claim 1, characterised in that the interference means comprise a magnet plate (21) fixed to the bottom wall inside the cavity (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910572075.XA CN110361072B (en) | 2019-06-28 | 2019-06-28 | Radar level meter antenna with cooling sweeps structure |
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| CN201910572075.XA CN110361072B (en) | 2019-06-28 | 2019-06-28 | Radar level meter antenna with cooling sweeps structure |
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| CN110361072A CN110361072A (en) | 2019-10-22 |
| CN110361072B true CN110361072B (en) | 2021-02-26 |
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| CN114659587B (en) * | 2022-05-24 | 2022-08-02 | 南京一淳科技有限公司 | Radar level gauge device and method for complex working conditions |
| CN116626598B (en) * | 2023-07-13 | 2023-10-03 | 湖南普拉斯智能科技有限公司 | Detection device suitable for high temperature condition |
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| CN204518300U (en) * | 2015-04-09 | 2015-07-29 | 联想(北京)有限公司 | Fan, heat radiation module and electronic equipment |
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| CN208900431U (en) * | 2018-10-09 | 2019-05-24 | 江西省太平洋节能环保科技有限公司 | A kind of fan silencer for furnace |
| CN208423140U (en) * | 2018-11-13 | 2019-01-22 | 北京久仪雷达技术有限公司 | A kind of radar levelmeter antenna with cooling purging structure |
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| CN206330647U (en) * | 2016-12-27 | 2017-07-14 | 唐山市德龙钢铁有限公司 | A kind of article position measuring device |
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