CN113654621A - Radar checking device and method - Google Patents
Radar checking device and method Download PDFInfo
- Publication number
- CN113654621A CN113654621A CN202110926780.2A CN202110926780A CN113654621A CN 113654621 A CN113654621 A CN 113654621A CN 202110926780 A CN202110926780 A CN 202110926780A CN 113654621 A CN113654621 A CN 113654621A
- Authority
- CN
- China
- Prior art keywords
- bracket
- radar
- frame
- lifting device
- water tank
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000012795 verification Methods 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 11
- 230000003044 adaptive effect Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 7
- 239000008213 purified water Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 4
- 229910052755 nonmetal Inorganic materials 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Images
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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
A radar verification apparatus, comprising: a frame; the lifting device is connected to the frame; a bracket for placing a radar antenna; the bracket bearing table is connected with the lifting device and can be used for placing and adjusting the bracket; the water tank is arranged at the bottom end inside the frame; the bracket bearing table is positioned above the water tank, and the height of the bracket bearing table can be adjusted through the lifting device; two brackets are arranged on the bracket bearing table, and the distance between the two brackets is matched with the radar antenna; a distance sensor is arranged on the bracket bearing table and used for accurately measuring the height of the water level in the water tank; the frame is provided with a control console which is electrically connected with the lifting device and the distance sensor and used for controlling the lifting of the lifting device and displaying data measured by the distance sensor.
Description
Technical Field
The invention relates to the technical field of radar detection, in particular to a radar checking device and a radar checking method.
Background
The engineering radar and matched antenna inspection method for detecting the road surface, the bridge and the tunnel comprises the following main steps: the purified water of a certain height is filled in the 3.6m multiplied by 2.4m water pool, the 2.4m multiplied by 1.6m multiplied by 2mm steel plate is placed at the bottom of the water pool, the radar antenna is lifted manually or the simple support is processed to fix the radar antenna to the height position of the water surface, the electromagnetic wave is collected through the radar host, and then whether the working performance of the engineering radar and the antenna meets the use requirement or not is checked. However, the method of fixing the radar antenna by only manually lifting the radar antenna or processing the simple bracket has the following disadvantages: firstly, the method comprises the following steps: the antenna height, the water depth precision and the antenna stability in the checking process cannot meet the requirements; secondly, the method comprises the following steps: the radar antenna is divided into a 100M shielding antenna 1.25M multiplied by 0.78M multiplied by 0.2M, a 250M shielding antenna 0.94M multiplied by 0.48M multiplied by 0.24M, a 500M shielding antenna 0.5M multiplied by 0.3M multiplied by 0.16M, a 800M shielding antenna 0.38M multiplied by 0.20M multiplied by 0.12M, a 1000M shielding antenna 0.24M multiplied by 0.16M multiplied by 0.12M and a 1200M shielding antenna 0.19M multiplied by 0.115M multiplied by 0.11M, and the radar antenna can not be ensured to be adapted to all antenna sizes only by processing a simple bracket to fix the radar antenna; thirdly, the method comprises the following steps: the method for manually lifting the radar antenna or processing the simple bracket to fix the radar antenna has low automation degree.
Disclosure of Invention
The invention provides a radar checking device and a radar checking method, which aim to solve the technical problems.
The technical purpose of the invention is realized by the following technical scheme:
a radar verification apparatus, comprising:
a frame;
the lifting device is connected to the frame;
a bracket for placing a radar antenna;
the bracket bearing table is connected with the lifting device and can be used for placing and adjusting the bracket;
the water tank is arranged at the bottom end inside the frame;
the bracket bearing table is positioned above the water tank, and the height of the bracket bearing table can be accurately adjusted through the lifting device;
the bracket bearing table is provided with two brackets, and the horizontal distance between the two brackets is matched with the radar antenna;
a distance sensor is arranged on the bracket bearing table and used for accurately measuring the height of the water level in the water tank;
the frame is provided with a control console which is electrically connected with the lifting device and the distance sensor and used for accurately controlling the lifting of the lifting device and displaying data measured by the distance sensor.
Further, the frame comprises an upper frame, a lower frame and a middle frame;
the upper frame, the lower frame, and the middle frame are connected to each other at ends;
the upper frame and the middle frame are connected through an outer frame, and the lower frame and the middle frame are connected through an outer frame.
Furthermore, the lifting device comprises an upper bracket, a lower bracket, a screw rod, a guide rod and a driving piece;
the upper bracket is connected to the upper part of the frame, and the lower bracket is connected to the lower part of the frame;
the two ends of the screw rod and the guide rod are respectively connected with the upper bracket and the lower bracket;
the driving piece is arranged on the upper bracket and is connected with the screw rod through a transmission belt;
the lower end of the screw rod is connected with the lower bracket through a bearing;
the lifting devices are arranged into 2 numbers and are respectively arranged on two opposite sides of the frame.
Furthermore, the bracket bearing table comprises a moving plate, a sliding rail and a sliding block;
the number of the moving plates is 2, and each moving plate is in adaptive connection with each lifting device;
the number of the slide rails is 2, and the slide rails are connected with the tail end of the moving plate;
the sliding block is in adaptive connection with the sliding rail and can move along the sliding rail;
the sliding block is connected with the bracket.
Further, the upper end and the lower end of the slide rail are both provided with sliding grooves, the sliding blocks are correspondingly provided with adaptive clamping blocks, the clamping blocks are clamped with the sliding grooves at the upper end and the lower end, and the sliding blocks can move on the slide rail.
Further, the bracket includes a connecting portion and a supporting portion;
the connecting parts are arranged at two ends of the supporting part and connected with the sliding blocks.
Further, a metal plate is arranged at the bottom of the water tank.
Further, the bracket is made of non-metal materials.
A radar verification method, comprising the steps of:
s1: the bracket descends to the bottom of the water tank;
s2: the lifting device is precisely controlled by the controller to ascend to a specified height;
s3: adding water into the water tank until the water tank is level to the top of the bracket;
s4: adjusting the distance between the brackets and placing a radar antenna;
s5: connecting the radar host and the antenna by using a computer;
s6: collecting and calculating a oscillogram;
s7: comparing the radar detection water depth value with the actual water depth, and checking whether the radar antenna is qualified or can be used;
in S6, the calculating step includes reading out a two-way travel time corresponding to a layer interface of the radar detected water depth by processing the acquired oscillogram data with a laptop, where a product of the two-way travel time and a theoretical wave velocity of the purified water is a detected water depth value.
Further, in S7, pure water is added, the depth is more than 10cm, and when the depth measurement error is less than or equal to 10%, the checked radar antenna is judged to be qualified or usable; and when the depth of the added pure water is less than 10cm and the depth measurement error is less than or equal to 10mm (the central frequency of the antenna is more than or equal to 800MHz), the checked radar antenna is judged to be qualified or can be used.
The invention has the beneficial effects that:
the radar checking device is suitable for a calibration water tank within the range of (0-3.6 m) × (0-2.4 m), the horizontal distance between the brackets can be adjusted according to different radar antennas, and in addition, the height of the brackets can be accurately adjusted through the lifting device, so that the radar antennas are attached to the horizontal surface and are kept stable.
Drawings
FIG. 1 is a schematic diagram of a radar checking apparatus;
FIG. 2 is a schematic diagram of a partial structure of a radar checking apparatus;
FIG. 3 is a detail view at A;
FIG. 4 is a right side view of a radar verification device with the frame removed;
FIG. 5 is a detail view at B;
FIG. 6 is a schematic view of the structure of the water tank;
FIG. 7 is a flow chart of a method of radar verification;
FIG. 8 is a diagram of a radar waveform of example 1 of Table 1;
FIG. 9 is a diagram of a radar waveform of example 2 of Table 1;
FIG. 10 is a diagram of a radar waveform of example 3 of Table 1;
fig. 11 is a radar waveform chart of example 4 in table 1.
1. A frame; 2. a lifting device; 3. a bracket; 4. a carrier stage; 5. a water tank; 6. a distance sensor; 7. a console; 11. putting the frame on; 12. a lower frame; 13. a middle frame; 14. an outer frame; 21. an upper bracket; 22. a lower bracket; 23. a screw rod; 24. a guide bar; 25. a drive member; 26. a transmission belt; 31. a connecting portion; 32. a support portion; 41. moving the plate; 42. a slide rail; 43. a slider; 51. a metal plate; 421. a chute; 431. and (7) clamping blocks.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 6, a radar checking apparatus includes:
a frame 1;
a lifting device 2 connected to the frame 1;
a bracket 3 for placing a radar antenna;
a bracket bearing table 4 connected with the lifting device 2 and capable of placing and adjusting the bracket 3;
a water tank 5 arranged at the bottom end inside the frame 1;
the bracket bearing table 4 is positioned above the water tank 5, and the height of the bracket bearing table can be accurately adjusted through the lifting device 2;
the bracket bearing table 4 is provided with two brackets 3, and the distance between the two brackets 3 is matched with the radar antenna;
a distance sensor 6 is arranged on the bracket bearing table 4 and used for accurately measuring the water level height in the water tank 5;
the frame 1 is provided with a control console 7 which is electrically connected with the lifting device 2 and the distance sensor 6 and used for accurately controlling the lifting of the lifting device 2 and displaying data measured by the distance sensor 6.
Specifically, two brackets 3 are arranged on the bracket bearing table 4, the distance between the two brackets 3 can be adjusted adaptively according to specific radar antennas, and the bracket bearing table 4 can be lifted through the lifting device 2, so that the height of the bracket 3 can be accurately adjusted; preferably, the bottom end of the distance sensor 6 is at the same level as the upper end surface of the bracket 3, and the radar antenna is placed on the upper end surface of the bracket 3, so that the distance from the bottom of the water tank 5 measured by the distance sensor 6 is the height from the bottom of the water tank 5 of the radar antenna. The upper end surface of the bracket 3 is attached to the water surface, the radar antenna is connected with a computer again, the water depth is measured, the data measured by the radar antenna is compared with the data of the distance sensor 6, and the bracket is qualified or can be used within an error range.
Optionally, the frame 1 includes an upper frame 11, a lower frame 12, and a middle frame 13;
the upper frame 11, the lower frame 12, and the intermediate frame 13 are connected to each other at end portions;
the upper frame 11 and the middle frame 13, and the lower frame 12 and the middle frame 13 are connected by an outer frame 14.
The upper frame 11 and the lower frame 12 are square frames shaped like Chinese character 'hui', are connected with each other through the middle column 13 to form a three-dimensional square integral frame, and form a triangular structure at the connection position of each other through the outer frame 14 to enable the integral frame 1 to be more stable. Alternatively, the bottom of the frame 1 is fixed to the ground by expansion screws, so that the whole frame 1 is further stabilized.
Optionally, the lifting device 2 includes an upper bracket 21, a lower bracket 22, a screw 23, a guiding rod 24, and a driving member 25;
the upper bracket 21 is connected to the upper part of the frame 1, and the lower bracket 22 is connected to the lower part of the frame 1;
the two ends of the screw rod 23 and the guide rod 24 are respectively connected with the upper bracket 21 and the lower bracket 22;
the driving piece 25 is arranged on the upper bracket 21 and is connected with the screw rod 23 through a transmission belt 26;
the lower end of the screw rod 23 is connected with the lower bracket 22 through a bearing;
the lifting devices 2 are arranged to be 2 and are respectively arranged on two opposite sides of the frame 1.
The driving component 25 drives the screw rod 23 to rotate through the transmission belt 26, the screw rod 23 is matched with the bracket bearing table 4 to enable the screw rod 23 to move up and down along the screw rod 23, the guide rod 24 can play a guiding role in the moving process, the screw rod 23 and the guide rod 24 are connected into a whole through the upper bracket 21 and the lower bracket 22, and the screw rod 23 is a conventional screw rod.
Optionally, the bracket bearing table 4 includes a moving plate 41, a slide rail 42, and a slider 43;
the number of the moving plates 41 is 2, and each moving plate 41 is in adaptive connection with each lifting device 2;
the number of the slide rails 42 is 2, and the slide rails are connected with the tail end of the moving plate 41;
the sliding block 43 is in adaptive connection with the sliding rail 42 and can move along the sliding rail 42;
the slider 43 is connected to the bracket 3.
The 2 moving plates 41 are oppositely arranged and matched with the lifting device, so that the lifting process is more stable; the 2 sliding rails 42 are arranged oppositely and parallelly, so that the sliding block 43 moves more stably.
Optionally, the upper end and the lower end of the sliding rail 42 are both provided with sliding grooves 421, the sliding block 43 is correspondingly provided with a fixture block 431, the fixture block 431 and the sliding grooves 421 are clamped at the upper end and the lower end, and the sliding block 43 can move on the sliding rail 42.
The sliding block 43 is matched with the sliding groove 421 through the upper and lower fixture blocks 431, so that the sliding block 43 can slide smoothly, and the sliding block 43 can be stably connected to the sliding rail 42.
Alternatively, the bracket 3 includes a connecting portion 31 and a supporting portion 32;
the connecting portions 31 are provided at both ends of the support portion 32, and are connected to the slider 43.
The connecting portion 31 is connected to the two sliders 43 on the opposite side, and the support portion 32 is disposed between the two connecting portions 31 and held horizontally.
Optionally, a metal plate 51 is provided at the bottom of the water tank 5.
The metal plate 51 can better reflect electromagnetic wave signals emitted by the radar antenna, and the checking accuracy is improved. The metal plate 51 may be directly attached to the bottom of the water tank 5 or may be embedded in the bottom of the water tank 5, and the depth of water detected by the radar antenna is actually the distance between the bottom surface of the radar antenna and the upper end surface of the metal plate 51. Therefore, when the metal plate 51 is tightly attached to the bottom of the water tank 5, the actual water depth is the water depth value measured by the radar antenna plus the thickness of the steel plate; when the metal plate 51 is embedded in the bottom of the water tank 5 and the upper end surface of the metal plate 51 and the end surface of the bottom of the water tank 5 are at the same level, the actual water depth is the water depth detected by the radar antenna. Regardless of the setting, the data measured by the distance sensor 6 and the radar antenna are compared to obtain a checking result.
Alternatively, the bracket 3 is made of a non-metallic material.
The non-metallic material does not interfere with radar electromagnetic wave signals, and the checking accuracy can be improved.
A radar verification method, comprising the steps of:
s1: the bracket descends to the bottom of the water tank;
s2: the lifting device is precisely controlled by the controller to ascend to a specified height;
s3: adding water into the water tank until the water tank is level to the top of the bracket;
s4: adjusting the distance between the brackets and placing a radar antenna;
s5: connecting the radar host and the antenna by using a computer;
s6: collecting and calculating a oscillogram;
s7: comparing the radar detection water depth value with the actual water depth, and checking whether the radar antenna is qualified or can be used;
in S6, the calculating step includes reading out a two-way travel time corresponding to a layer interface of the radar detected water depth by processing the acquired oscillogram data with a laptop, where a product of the two-way travel time and a theoretical wave velocity of the purified water is a detected water depth value.
Specifically, the bracket is lowered to the bottom of the tank, the metal plate 51 at the bottom of the tank can be made to abut, and the measurement data of the distance sensor 6 can be made to zero, then the lifting device 2 is precisely controlled by the control console 7 to ascend to a designated height, the data measured by the distance sensor 6 can be observed by the control console 7 in the ascending process, and after the data reaches the designated height, filling purified water into the water tank until the water surface is level with the upper end surfaces of the brackets 3, adjusting the distance between the two brackets 3 to adapt to the radar antenna, placing the radar antenna on the brackets 3, connecting a radar host machine and the antenna by a computer, setting appropriate parameters, collecting a radar oscillogram, and processing the acquired oscillogram data by a computer to obtain the double-travel time corresponding to the layer interface of the radar detection water depth, wherein the theoretical wave speed of the double-travel time and the purified water is the detected water depth value. It should be noted that, when the detected water depth value of the radar is compared with the actual water depth value detected by the distance sensor 6, the radar antenna is considered to be qualified or usable when the error requirement is not exceeded.
Optionally, when the depth of the added pure water is more than 10cm and the depth measurement error is less than or equal to 10%, the checked radar antenna is judged to be qualified or usable; and when the depth of the added pure water is less than 10cm and the depth measurement error is less than or equal to 10mm (the central frequency of the antenna is more than or equal to 800MHz), the checked radar antenna is judged to be qualified or can be used. The experimental data are shown in table 1:
it should be noted that, elevating gear 2 drives the ascending and descending in-process of bracket plummer 4, and distance sensor 6 feeds back the data that record to control cabinet 7 all the time, and in step S3, at the in-process of adding the pure water, earlier through the accurate adjustment bracket 3 of control cabinet 7 to appointed height, slowly add the pure water to bracket 3 top terminal surface and close to again to realize accurate regulation.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. A radar verification apparatus, comprising:
a frame (1);
a lifting device (2) connected to the frame (1);
a bracket (3) for placing a radar antenna;
the bracket bearing table (4) is connected with the lifting device (2) and can be used for placing and adjusting the bracket (3);
the water tank (5) is arranged at the bottom end inside the frame (1);
the bracket bearing table (4) is positioned above the water tank (5), and the height of the bracket bearing table can be adjusted through the lifting device (2);
the bracket bearing table (4) is provided with two brackets (3), and the distance between the two brackets (3) is matched with the radar antenna;
a distance sensor (6) is arranged on the bracket bearing table (4) and used for accurately measuring the water level height in the water tank (5);
the frame (1) is provided with a control console (7), the control console is electrically connected with the lifting device (2) and the distance sensor (6) and is used for controlling the lifting of the lifting device (2) and displaying data measured by the distance sensor (6).
2. The radar checking device according to claim 1, wherein:
the frame (1) comprises an upper frame (11), a lower frame (12) and a middle frame (13);
the upper frame (11), the lower frame (12), and the intermediate frame (13) are connected to each other at ends;
the upper frame (11) and the middle frame (13) are connected, and the lower frame (12) and the middle frame (13) are connected through an outer frame (14).
3. The radar checking device according to claim 1, wherein:
the lifting device (2) comprises an upper bracket (21), a lower bracket (22), a screw rod (23), a guide rod (24) and a driving piece (25);
the upper bracket (21) is connected to the upper part of the frame (1), and the lower bracket (22) is connected to the lower part of the frame (1);
both ends of the screw rod (23) and the guide rod (24) are respectively connected with the upper bracket (21) and the lower bracket (22);
the driving piece (25) is arranged on the upper bracket (21) and is connected with the screw rod (23) through a transmission belt (26);
the lower end of the screw rod (23) is connected with the lower bracket (22) through a bearing;
the number of the lifting devices (2) is 2, and the lifting devices are respectively arranged on two opposite sides of the frame (1).
4. The radar checking apparatus according to claim 3, wherein:
the bracket bearing table (4) comprises a moving plate (41), a sliding rail (42) and a sliding block (43);
the number of the moving plates (41) is 2, and each moving plate (41) is in adaptive connection with each lifting device (2);
the number of the sliding rails (42) is 2, and the sliding rails are connected with the tail end of the moving plate (41);
the sliding block (43) is in adaptive connection with the sliding rail (42) and can move along the sliding rail (42);
the sliding block (43) is connected with the bracket (3).
5. The radar checking apparatus according to claim 4, wherein:
the upper end and the lower end of the sliding rail (42) are both provided with sliding grooves (421), the sliding block (43) is correspondingly provided with a clamping block (431) matched with the sliding grooves (421), the clamping block (431) and the sliding grooves (421) are clamped at the upper end and the lower end, and the sliding block (43) can move on the sliding rail (42).
6. The radar checking apparatus according to claim 4, wherein:
the bracket (3) comprises a connecting part (31) and a supporting part (32);
the connecting parts (31) are arranged at two ends of the supporting part (32) and connected with the sliding blocks (43).
7. The radar checking device according to claim 1, wherein:
the bottom of the water tank (5) is provided with a metal plate (51).
8. The radar checking device according to claim 1, wherein:
the bracket (3) is made of non-metal materials.
9. A radar verification method, comprising the steps of:
s1: the bracket descends to the bottom of the water tank;
s2: the lifting device is precisely controlled by the controller to ascend to a specified height;
s3: adding water into the water tank until the water tank is level to the top of the bracket;
s4: adjusting the distance between the brackets and placing a radar antenna;
s5: connecting the radar host and the antenna by using a computer;
s6: collecting and calculating a oscillogram;
s7: comparing the radar detection water depth value with the actual water depth, and checking whether the radar antenna is qualified or can be used;
in S6, the calculating step includes reading out a two-way travel time corresponding to a layer interface of the radar detected water depth by processing the acquired oscillogram data with a laptop, where a product of the two-way travel time and a theoretical wave velocity of the purified water is a detected water depth value.
10. A radar verification method according to claim 9, wherein:
s7, adding pure water with the depth of more than 10cm, and judging that the checked radar antenna is qualified or can be used when the depth measurement error is less than or equal to 10%; and when the depth of the added pure water is less than 10cm and the depth measurement error is less than or equal to 10mm (the central frequency of the antenna is more than or equal to 800MHz), the checked radar antenna is judged to be qualified or can be used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110926780.2A CN113654621B (en) | 2021-08-12 | 2021-08-12 | Radar checking device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110926780.2A CN113654621B (en) | 2021-08-12 | 2021-08-12 | Radar checking device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113654621A true CN113654621A (en) | 2021-11-16 |
| CN113654621B CN113654621B (en) | 2024-06-18 |
Family
ID=78479610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110926780.2A Active CN113654621B (en) | 2021-08-12 | 2021-08-12 | Radar checking device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113654621B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207670624U (en) * | 2018-01-07 | 2018-07-31 | 中华人民共和国舟山出入境检验检疫局 | A kind of radar water gauge detection device |
| CN209043417U (en) * | 2018-09-04 | 2019-06-28 | 江苏微能电子科技有限公司 | A kind of reservoir construction water level monitor device |
| CN110657786A (en) * | 2019-10-15 | 2020-01-07 | 李建贞 | Hydrological monitoring device |
| CN111198029A (en) * | 2018-11-16 | 2020-05-26 | 中冶宝钢技术服务有限公司 | Off-line calibration tool and calibration method for radar level indicator |
| CN112229484A (en) * | 2020-10-21 | 2021-01-15 | 丹东通博电器(集团)有限公司 | Radar level meter measurement accuracy detection device |
| CN213443010U (en) * | 2020-09-29 | 2021-06-15 | 天津瀚海检验检测有限公司 | Radar water gauge detection device |
-
2021
- 2021-08-12 CN CN202110926780.2A patent/CN113654621B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207670624U (en) * | 2018-01-07 | 2018-07-31 | 中华人民共和国舟山出入境检验检疫局 | A kind of radar water gauge detection device |
| CN209043417U (en) * | 2018-09-04 | 2019-06-28 | 江苏微能电子科技有限公司 | A kind of reservoir construction water level monitor device |
| CN111198029A (en) * | 2018-11-16 | 2020-05-26 | 中冶宝钢技术服务有限公司 | Off-line calibration tool and calibration method for radar level indicator |
| CN110657786A (en) * | 2019-10-15 | 2020-01-07 | 李建贞 | Hydrological monitoring device |
| CN213443010U (en) * | 2020-09-29 | 2021-06-15 | 天津瀚海检验检测有限公司 | Radar water gauge detection device |
| CN112229484A (en) * | 2020-10-21 | 2021-01-15 | 丹东通博电器(集团)有限公司 | Radar level meter measurement accuracy detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113654621B (en) | 2024-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105004252B (en) | The detection method of verticality between the Mosaic face and datum level of square-section slender piece | |
| CN105509624B (en) | flatness detecting device | |
| CN203785611U (en) | Measuring tool for steel member surface flatness | |
| CN109141303A (en) | A kind of component geometrical defect detection system and detection method | |
| CN206838538U (en) | Nature plate prying detection machine | |
| CN203309466U (en) | Multifunctional adjustable pedestal support | |
| CN113654621A (en) | Radar checking device and method | |
| CN110595382A (en) | 3D space vision curved surface measuring equipment and measured data processing method | |
| CN208187360U (en) | A kind of profile tolerance automatic detection device | |
| CN103601072A (en) | Absolute position adjusting method for spacecraft horizontal adjustment lifting appliance based on lifting point adjustment | |
| CN211601865U (en) | Online calibration device based on sensing three-dimensional measurement system | |
| CN210036678U (en) | Warping degree tester | |
| CN209689666U (en) | A kind of preform loosening body device for detecting density | |
| CN105444676A (en) | Measuring probe multi-directional positioning device applicable to online scanning | |
| CN1307402C (en) | High accuracy online aluminium plate convexity detection apparatus | |
| CA1214235A (en) | Position sensing apparatus | |
| CN211527262U (en) | Curved surface screen cell-phone glass's arc size detection device | |
| CN218238756U (en) | Wafer surface flatness detection device | |
| CN208171176U (en) | A kind of miniature linear grating sensor | |
| CN207456397U (en) | One kind re-opens detecting system and monitor station | |
| CN207501874U (en) | The small radius of spherical crown detecting system of oil distribution casing, cylinder body | |
| CN219747285U (en) | Automatic detection mechanism for machined workpiece | |
| CN220708364U (en) | Flatness detection device | |
| CN218781835U (en) | Surface 3D detection device suitable for battery cores with different heights | |
| CN104458406B (en) | For the guide-bar mechanism on aluminium sheet force measuring machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 330006 office building 12, Xier Road, provincial capital courtyard, Donghu District, Nanchang City, Jiangxi Province Applicant after: JIANGXI PROVINCE TIANCHI HIGHWAY TECHNOLOGY DEVELOPMENT Co.,Ltd. Applicant after: Henan Pole Climbing Robot Co.,Ltd. Address before: 330006 office building 12, Xier Road, provincial capital courtyard, Donghu District, Nanchang City, Jiangxi Province Applicant before: JIANGXI PROVINCE TIANCHI HIGHWAY TECHNOLOGY DEVELOPMENT Co.,Ltd. Country or region before: China Applicant before: LINYING PAGAN ROBOT CO.,LTD. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant |