CN110617868A - Lens antenna radar level meter - Google Patents
Lens antenna radar level meter Download PDFInfo
- Publication number
- CN110617868A CN110617868A CN201910860123.5A CN201910860123A CN110617868A CN 110617868 A CN110617868 A CN 110617868A CN 201910860123 A CN201910860123 A CN 201910860123A CN 110617868 A CN110617868 A CN 110617868A
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- CN
- China
- Prior art keywords
- piece
- lens
- display device
- radar
- shell
- 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.)
- Pending
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Classifications
-
- 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
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
-
- 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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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The embodiment of the invention discloses a lens antenna radar level gauge which comprises a display device and a beam transmitting device, wherein the beam transmitting device is arranged below the display device and comprises a radar, a horn piece and a lens piece, the radar is arranged below the display device and is electrically connected with the display device, one end of the radar, which is far away from the display device, is connected with the horn piece, and one end of the horn piece, which is far away from the radar, is connected with the lens piece; the display device is arranged in the shell and comprises a display screen and a microprocessor, the display screen is arranged at one end, away from the radar, of the display device, and the microprocessor is arranged inside the display device. The embodiment of the invention provides a lens antenna radar level gauge, which aims to solve the problem that the radar level gauge is easy to damage or inaccurate in measurement due to extreme factors in the prior art.
Description
Technical Field
The embodiment of the invention relates to the technical field of level meters, in particular to a lens antenna radar level meter.
Background
In the industrial process, various complex measuring environments such as condensate, sediment, twisting oar dancing, a tank body of steam or dust adhesion are often accompanied, the conventional radar level gauge cannot adapt to various severe environments, so that the service life of the radar level gauge is short, the measuring precision is influenced, and the conventional radar level gauge cannot meet the requirements of working in various special medium environments. Therefore, there is a need in the industry for a radar level gauge that can be used in various harsh environments, and the beam can be accurately transmitted without being affected by extreme environments such as extreme temperature, vacuum, extreme pressure, severe dust, or a large amount of water vapor.
Disclosure of Invention
Therefore, the embodiments of the present invention provide a lens antenna radar level gauge to solve the problem in the prior art that the radar level gauge is easily damaged or inaccurate in measurement due to extreme factors.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
a lens antenna radar level gauge comprises a display device and a beam transmitting device, wherein the beam transmitting device is installed below the display device and comprises a radar, a horn piece and a lens piece, the radar is arranged below the display device and is electrically connected with the display device, one end, far away from the display device, of the radar is connected with the horn piece, and one end, far away from the radar, of the horn piece is connected with the lens piece; display device sets up in the shell, display device includes display screen and microprocessor, display device keeps away from the one end of radar is provided with the display screen, microprocessor set up in inside the display device, the shell is kept away from the one end of radar is provided with the trompil, be provided with the connecting piece that is used for the installation on the beam emitter.
Further, the shell comprises a shell body and a shell cover, and the shell body and the shell cover are detachably connected.
Furthermore, the display device is installed inside the shell, the shell cover is connected to one end, far away from the beam emitting device, of the shell, an opening is formed in the shell cover, and the size of the opening is larger than that of the display screen.
Further, an annular sleeve is arranged at one end, far away from the shell cover, of the shell, and the radar is installed in the annular sleeve.
Furthermore, two electrical interfaces and a grounding bolt are arranged on the side wall of the shell, a detachable outgoing line protection joint is installed on one electrical interface, a detachable sealing plug is installed on the other electrical interface, the grounding bolt is welded on the shell, and the grounding bolt is made of metal.
Further, the shell is made of metal materials, and a sealing ring is arranged between the shell and the shell cover.
Furthermore, the horn piece is integrally horn-shaped, a microwave transmission channel is arranged in the horn piece, an annular groove is formed in the inner part of the horn piece, which is close to one end of the radar, and one end of the radar, which is close to the horn piece, is installed in the annular groove; the one end that the loudspeaker spare is close to the lens piece is provided with the external screw thread portion, the tip that keeps away from of external screw thread portion the lens piece is provided with first butt portion, first butt portion with the mutual butt of connecting piece.
Further, one end, far away from the horn piece, of the lens piece is a convex surface, one end, close to the horn piece, of the lens piece is provided with an internal thread portion, the end, far away from the horn piece, of the internal thread portion is provided with a second abutting portion, and the second abutting portion and the connecting piece are abutted to each other.
Furthermore, the lens piece is made of polytetrafluoroethylene, polyetheretherketone and/or polyethylene.
Further, the connecting piece adopts the ring flange, the ring flange install in loudspeaker spare with between the lens piece, be provided with the trompil in the middle of the ring flange, loudspeaker spare with lens piece passes the trompil, ring flange outside edge position is provided with a plurality of through-holes, and is a plurality of the through-hole is the circumference and distributes.
The embodiment of the invention has the following advantages:
1. the beam transmitting device adopted by the embodiment of the invention comprises a radar, a horn piece and a lens piece, can be used for carrying out non-contact continuous measurement on the material level of liquid, slurry, granular material and lump material, and can be suitable for extreme environments such as extreme temperature, vacuum, extreme pressure, serious dust or a large amount of water vapor.
2. The radar adopted by the embodiment of the invention transmits microwave pulses, has lower beam energy, can be arranged in various metal and nonmetal containers or pipelines, and has no harm to human bodies and the environment.
3. The lens piece adopted by the embodiment of the invention is made of polytetrafluoroethylene, polyether-ether-ketone and/or polyethylene, and has the advantages of chemical stability, corrosion resistance, sealing property, high lubrication non-adhesiveness, electrical insulation property and good ageing resistance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
FIG. 1 is an assembly view of a lens antenna radar level gauge according to an embodiment of the present invention;
FIG. 2 is a block diagram of a lens antenna radar level gauge according to an embodiment of the present invention;
FIG. 3 is a front view of a lens antenna radar level gauge according to an embodiment of the present invention;
FIG. 4 is a side view of a lens antenna radar level gauge according to an embodiment of the present invention;
FIG. 5 is a perspective view of a housing in the lens antenna radar level gauge according to an embodiment of the present invention;
FIG. 6 is a top view of a display device in a lens antenna radar level gauge according to an embodiment of the present invention;
FIG. 7 is a front view of a horn in a lens antenna radar level gauge according to an embodiment of the present invention;
FIG. 8 is a partial cross-sectional view of a horn in a lens antenna radar level gauge according to an embodiment of the present invention;
FIG. 9 is a top view of a flange plate in a lens antenna radar level gauge according to an embodiment of the present invention;
FIG. 10 is a front view of a lens member of a lens antenna radar level gauge according to an embodiment of the present invention;
FIG. 11 is a partial cross-sectional view of a lens member of a lens antenna radar level gauge according to an embodiment of the present invention;
in the figure: 1. a shell cover; 2. a housing; 21. an outgoing line protection joint; 22. sealing the plug; 23. a ground bolt; 24. a label; 3. a display device; 31. a display screen; 32. pressing a key; 4. a radar; 5. a horn; 51. a microwave transmission channel; 52. a first abutting portion; 53. an external threaded portion; 6. a lens member; 61. a convex surface; 62. a second abutting portion; 63. an internal thread portion; 7. a flange plate; 8. and (5) sealing rings.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the present invention provides a lens antenna radar level gauge, as shown in FIGS. 1-6, comprising a display device 3 and a beam emitting device, the beam emitting device being mounted below the display device 3. Wave beam emitter includes radar 4, loudspeaker spare 5 and lens part 6, and radar 4 sets up in display device 3 below and is connected with display device 3 electricity, and display device 3 was kept away from to radar 4's one end links to each other with loudspeaker spare 5, and loudspeaker spare 5 keeps away from the one end of radar 4 and installs lens part 6. The radar 4 adopts the transmitting frequency of 26GHz, which is convenient for measuring solid and low dielectric constant medium; the radar 4 emits narrower microwave pulses which are transmitted downwards through the horn piece 5 and the lens piece 6, the microwaves are reflected back after contacting the surface of a measured medium, and the microwaves are transmitted to the display device 3 through the lens piece 6, the horn piece 5 and the radar 4 for processing and displaying. The radar 4 adopts a working mode of transmitting pulses, has extremely low transmitting power, can be installed in various metal and nonmetal containers, and has no harm to human bodies and the environment.
Display device 3 sets up in the shell, and the shell includes casing 2 and cap 1, and casing 2 and cap 1 are threaded connection, are provided with sealing washer 8 between casing 2 and the cap 1, make the cooperation between casing 2 and the cap 1 inseparable. Casing 2 and cap 1 all adopt the aluminum alloy to make, and the one end that casing 2 was kept away from to cap 1 is provided with circular opening. Two electrical interfaces and a grounding bolt 23 are arranged on the side wall of the shell 2, one of the electrical wire interfaces is in threaded connection with a detachable outgoing line protection joint 21, the other electrical interface is in threaded connection with a detachable sealing plug 22, the grounding bolt 23 is welded on the shell, the grounding bolt 23 is made of metal, and a label 24 is arranged on the side wall of the shell 2. The wires are connected to the inside of the lens antenna radar level gauge through the outgoing line protection connector 21 to prevent water from flowing into the housing 2.
The display device 3 comprises a display screen 31, a microprocessor and keys 32. The micro processor is arranged in the display device 3, can rapidly process the echo and can obtain accurate data even under the condition of fluctuation; the display screen 31 and the keys 32 are arranged at one end of the display device 3 close to the shell cover 1, the size of the display screen 31 and the size of the shell cover 1 are smaller than that of the opening of the shell cover 1, and the keys 32 can be operated through the opening of the shell cover 1 to watch the display screen 31.
The keys 32 of the display device 3 include an OK key, an O key, an arrow key, and a BF key. Wherein, the OK key is used for entering a programming state, confirming a programming item and confirming parameter modification; the O key is used for selecting a programming item, selecting an editing parameter and displaying the content of the parameter item; the arrow keys are used for modifying parameter values and selecting a display mode; the BK key acts to exit the programming state, back to the previous menu.
The one end that casing 2 kept away from cap 1 is provided with the annulus, the size of annulus and radar 4's size looks adaptation, and the one end that loudspeaker 5 was kept away from to radar 4 is installed in the annulus and is connected with display device 3 electricity.
As shown in fig. 7 and 8, the horn 5 is horn-shaped as a whole, a microwave transmission channel 51 is arranged inside the horn 5, an annular groove is formed inside one end of the horn 5 close to the radar 4, and one end of the radar 4 close to the horn 5 is installed in the annular groove; the horn 5 has a male screw portion 53 at one end close to the lens 6, and a first contact portion 52 is provided at an end of the male screw portion 53 remote from the lens 6, and the first contact portion 52 and the connector are in contact with each other.
As shown in fig. 10 and 11, one end of the lens member 6 away from the horn 5 is a convex surface 61, one end of the lens member 6 close to the horn 5 is provided with an internal threaded portion 63, an end of the internal threaded portion 63 away from the horn 5 is provided with a second abutting portion 62, and the second abutting portion 62 abuts against the connecting member. The external thread of the horn 5 is screwed with the internal thread portion 63 of the lens member 6. The lens piece 6 can be made of polytetrafluoroethylene, polyetheretherketone and/or polyethylene and a mixture thereof, and has good chemical stability, corrosion resistance, sealing property, flame retardance, high lubrication non-adhesiveness, electrical insulation property and good ageing resistance.
As shown in fig. 9, the connecting member is a flange 7, the flange 7 is installed between the horn 5 and the lens 6, an opening is provided in the middle of the flange 7, the external thread portion 53 of the horn 5 is in threaded connection with the internal thread portion 63 of the lens 6 in the opening, a plurality of through holes are provided at the edge outside the flange 7, the plurality of through holes are circumferentially distributed, and the flange 7 is installed on the object to be tested through the plurality of through holes. The flange 7 adopts a universal flange, can measure the installation position of the level meter of the lens antenna radar 4 which needs to be adjusted in all directions, and leads the horn piece 5 to be aligned to the material level as much as possible, thereby avoiding the problems that the reflected signal is influenced by the unevenness of the material level during measurement, the echo is attenuated, and even the signal source is lost.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A lens antenna radar level gauge comprising a display device and a beam emitting device, characterized in that: the wave beam transmitting device is arranged below the display device and comprises a radar, a horn piece and a lens piece, the radar is arranged below the display device and is electrically connected with the display device, one end of the radar far away from the display device is connected with the horn piece, and one end of the horn piece far away from the radar is connected with the lens piece; display device sets up in the shell, display device includes display screen and microprocessor, display device keeps away from the one end of radar is provided with the display screen, microprocessor set up in inside the display device, the shell is kept away from the one end of radar is provided with the trompil, be provided with the connecting piece that is used for the installation on the beam emitter.
2. A lens antenna radar level gauge according to claim 1, wherein: the shell comprises a shell body and a shell cover, and the shell body and the shell cover are detachably connected.
3. A lens antenna radar level gauge according to claim 2, wherein: the display device is installed in the shell, the shell cover is connected to one end, far away from the beam emitting device, of the shell, an opening is formed in the shell cover, and the size of the opening is larger than that of the display screen.
4. A lens antenna radar level gauge according to claim 2, wherein: an annular sleeve is arranged at one end, far away from the shell cover, of the shell, and the radar is installed in the annular sleeve.
5. A lens antenna radar level gauge according to claim 2, wherein: the side wall of the shell is provided with two electrical interfaces and a grounding bolt, one electrical interface is provided with a detachable outgoing line protection joint, the other electrical interface is provided with a detachable sealing plug, the grounding bolt is welded on the shell, and the grounding bolt is made of metal.
6. A lens antenna radar level gauge according to claim 2, wherein: the casing adopts the metal material, the casing with be provided with the sealing washer between the shell cover.
7. A lens antenna radar level gauge according to claim 1, wherein: the whole horn-shaped piece is horn-shaped, a microwave transmission channel is arranged in the horn-shaped piece, an annular groove is formed in the inner part of the horn-shaped piece, which is close to one end of the radar, and one end of the radar, which is close to the horn-shaped piece, is installed in the annular groove; the one end that the loudspeaker spare is close to the lens piece is provided with the external screw thread portion, the tip that keeps away from of external screw thread portion the lens piece is provided with first butt portion, first butt portion with the mutual butt of connecting piece.
8. A lens antenna radar level gauge according to claim 1, wherein: the lens piece is kept away from the one end of loudspeaker piece is the convex surface, the lens piece is close to the one end of loudspeaker piece is provided with internal thread portion, keeping away from of internal thread portion the tip of loudspeaker piece is provided with second butt portion, second butt portion with the mutual butt of connecting piece.
9. A lens antenna radar level gauge according to claim 1, wherein: the lens piece is made of polytetrafluoroethylene, polyether ether ketone and/or polyethylene.
10. A lens antenna radar level gauge according to claim 1, wherein: the connecting piece adopts the ring flange, the ring flange install in loudspeaker spare with between the lens spare, be provided with the trompil in the middle of the ring flange, loudspeaker spare with the lens spare passes the trompil, ring flange outside edge position is provided with a plurality of through-holes, and is a plurality of the through-hole is the circumference and distributes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860123.5A CN110617868A (en) | 2019-09-11 | 2019-09-11 | Lens antenna radar level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860123.5A CN110617868A (en) | 2019-09-11 | 2019-09-11 | Lens antenna radar level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110617868A true CN110617868A (en) | 2019-12-27 |
Family
ID=68923262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910860123.5A Pending CN110617868A (en) | 2019-09-11 | 2019-09-11 | Lens antenna radar level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110617868A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113514130A (en) * | 2021-09-15 | 2021-10-19 | 成都万江港利科技股份有限公司 | Non-contact radar water level measuring device |
| CN113865668A (en) * | 2021-05-17 | 2021-12-31 | 北京锐达仪表有限公司 | Sil 3-level radar level gauge measurement system with multiple radar modules |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313200A (en) * | 2005-11-24 | 2008-11-26 | Vega格里沙贝两合公司 | Metallised plastic antenna funnel or a fill level radar |
| CN202522291U (en) * | 2011-12-27 | 2012-11-07 | 上海凡宜科技电子有限公司 | Sealing structure of radar wave object liquid level sensor |
| CN106972274A (en) * | 2015-11-13 | 2017-07-21 | Vega格里沙贝两合公司 | Electromagnetic horn and the radar levelmeter including electromagnetic horn |
| DE102016218162A1 (en) * | 2016-09-21 | 2018-03-22 | Vega Grieshaber Kg | Level radar with lens antenna with drip edge |
| US20180106886A1 (en) * | 2016-10-14 | 2018-04-19 | Finetek Co., Ltd. | Radar level transmitter with dust removing structures |
-
2019
- 2019-09-11 CN CN201910860123.5A patent/CN110617868A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101313200A (en) * | 2005-11-24 | 2008-11-26 | Vega格里沙贝两合公司 | Metallised plastic antenna funnel or a fill level radar |
| CN202522291U (en) * | 2011-12-27 | 2012-11-07 | 上海凡宜科技电子有限公司 | Sealing structure of radar wave object liquid level sensor |
| CN106972274A (en) * | 2015-11-13 | 2017-07-21 | Vega格里沙贝两合公司 | Electromagnetic horn and the radar levelmeter including electromagnetic horn |
| DE102016218162A1 (en) * | 2016-09-21 | 2018-03-22 | Vega Grieshaber Kg | Level radar with lens antenna with drip edge |
| US20180106886A1 (en) * | 2016-10-14 | 2018-04-19 | Finetek Co., Ltd. | Radar level transmitter with dust removing structures |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865668A (en) * | 2021-05-17 | 2021-12-31 | 北京锐达仪表有限公司 | Sil 3-level radar level gauge measurement system with multiple radar modules |
| CN113865668B (en) * | 2021-05-17 | 2023-12-22 | 北京锐达仪表有限公司 | Sil 3-level radar level gauge measuring system with multiple radar modules |
| CN113514130A (en) * | 2021-09-15 | 2021-10-19 | 成都万江港利科技股份有限公司 | Non-contact radar water level measuring device |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191227 |
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| RJ01 | Rejection of invention patent application after publication |