Radar wave measuring instrument

Abstract

The invention discloses a radar wave measurement instrument, which belongs to the technical field of wave measurement, and comprises a radar probe and a platform, the radar probe is installed on the platform, a plate body is arranged below the platform, a support is arranged at the center of the bottom of the platform, rod assemblies are uniformly distributed on the side of the support, and any rod assembly is connected with the plate body. Radar probes are arranged on the side, close to the support, of the plate body, the detection ends of the radar probes are located below the platform and arranged downwards, and the rod assemblies are located between the adjacent radar probes. The invention can adapt to complex sea conditions, reduce the interference of airflow on detection signals, and improve the accuracy and stability of wave measurement.

Description

Technical Field

[0001] The invention belongs to the technical field of wave measurement, and in particular relates to a radar wave measuring instrument. Background Art

[0002] With the rapid development of the marine economy, human activities at sea are increasing, and natural disasters such as typhoons and storm surges have a significant impact on the pace of marine development and utilization. The emergence of natural disasters such as typhoons and storm surges will inevitably cause changes in marine observation elements, and it is necessary to observe marine observation elements to carry out forecasting, prevention, disaster prevention, and disaster reduction work for natural disasters. Among the many marine observation elements, waves are the most important and complex marine observation element, and are also one of the important contents of physical oceanography research. It is one of the important input parameters in the fields of marine forecasting, marine engineering, disaster prevention and mitigation, marine rights and interests protection, and navigation safety.

[0003] Ocean waves contain enormous energy, which can make ships sway and even cause shipwrecks. They pose a serious threat to marine operations and have a great destructive effect on coastal protection, ports and docks. The use of radar wave meters to conduct research and application of ocean wave measurement can effectively monitor wave information at sea and forecast sea conditions, which is beneficial to improving the disaster prevention capabilities of ports, helping to reduce the losses of coastal ports under extreme disaster conditions, and providing protection for the production operations of coastal ports and docks and the safety of life and property of personnel. It is of great significance.

[0004] The Korean invention patent with application number KR1020230031032A discloses a wave measuring buoy with solar cells, which includes: a float, which floats on the water surface by buoyancy; a controller, which is connected to the float to measure the wave height of the water surface where the float floats and control the generation of electric energy; and a buffer, which is installed on the float to disperse or absorb the impact applied to the float from the outside, so that it can be stably positioned on the water surface to accurately measure the wave height, and accurately locate the sailing ship by increasing the radar reflection area. When the existing radar wave measuring device is applied to the side of the hull, due to the large difference in the atmospheric pressure environment at sea, the airflow has a greater impact on the wave measuring device, affecting the stability of the wave measurement. Summary of the invention

[0005] The object of the present invention is to provide a radar wave measuring instrument which has high installation adaptability and can measure waves stably and efficiently.

[0006] The technical solution adopted by the present invention to achieve the above-mentioned purpose is: A radar wave measuring instrument includes: a radar probe and a platform, wherein the radar probe is installed on the platform, a plate body is provided below the platform, a bracket is provided at the center of the bottom of the platform, rod assemblies are evenly arranged on the sides of the bracket, any rod assembly is connected to the plate body, and a radar probe is provided on the side of the plate body close to the bracket. The platform is arranged on the side of the hull, and a plurality of radar probes are combined to form a detection area. Radar waves are transmitted and received to the sea surface through each radar probe, so as to facilitate the calculation of wave characteristic elements such as wave direction, wave height and wave period in the detection area; the plate body is arranged on the periphery of the radar probe through the rod assembly, and the plate body reduces the atmospheric fluctuations around the radar probe inside it by blocking the lateral airflow at sea, thereby reducing the fluctuations of the air density around the radar probe, and further reducing the interference of the air density fluctuations on the radar waves, improving the anti-interference ability of the radar probe under severe sea conditions, helping to improve the accuracy of the radar probe in transmitting radar waves and receiving reflected radar waves, and improving the measurement accuracy of the wave measuring instrument on the characteristics of marine wave elements; Preferably, the detection end of the radar probe is located below the platform and arranged downward, and the rod assembly is located between adjacent radar probes. The rod assembly is arranged between adjacent radar probes to avoid the rod assembly from blocking the radar waves emitted by the radar probes and affecting the wave measurement results of the instrument; the rod assembly is arranged between adjacent radar probes. Since the rod assembly is evenly distributed on the side of the bracket and the bracket is located in the middle of the platform, the radar probes are evenly arranged on the platform. With the evenly distributed rod assembly, the overall center of gravity of the instrument is on the bracket at the center of the platform, which is conducive to improving the stability of the instrument arranged on the side of the hull. At the same time, it is also convenient for the instrument to be placed horizontally and stably on the ground and deck after being disassembled as a whole, which improves the stability of the storage and placement of the instrument.

[0007] Preferably, the bracket includes a rod body, which is arranged at the bottom center of the platform, a base is arranged on the upper part of the rod body, a slip ring is sleeved on the lower part of the rod body, one end of the rod assembly is movably connected to the base, and the other end of the rod assembly is movably connected to the slip ring.

[0008] Preferably, a spring is fixedly connected between the base and the slip ring, and the spring is sleeved on the rod body.

[0009] Preferably, the rod assembly includes a first connecting rod and a second connecting rod, one end of the first connecting rod is hinged to the base, one end of the second connecting rod is hinged to the sliding ring, the first connecting rod and the second connecting rod are movably connected at the non-hinged end and form an angle close to the rod body, and the plate body is installed on the side of the first connecting rod away from the rod body. The spring realizes the elastic connection between the base and the slip ring. Under severe sea conditions, the lateral airflow is fast and acts on the plate, so that the first connecting rod swings downward at the hinge with the base. At the same time, the first connecting rod and the second connecting rod swing relative to each other, so that the slip ring hinged to the second connecting rod slides up and down on the rod body and stretches the spring. In this process, the plate body approaches the detection end at the bottom of the radar probe and gradually approaches the vertical state, thereby improving the blocking effect of strong lateral airflow, thereby improving the anti-interference ability of the plate body to radar waves. At the same time, the downward swinging plate body can improve the ability to guide the airflow upward, reduce the lateral impact interference of the airflow on the platform and the radar probe, thereby reducing the possibility of the radar probe carried by the platform shaking, reducing the possibility of the position change of the radar wave signal, improving the accuracy of the instrument's data measurement of ocean waves under severe sea conditions, and improving the hull's early warning speed of ocean wave changes, which is conducive to improving the safety of navigation; When airflows of different intensities act on the plate, the swing amplitude of the first connecting rod relative to the base is different, resulting in different angles formed by the first connecting rod and the second connecting rod. At the same time, the change in the distance of the slip ring relative to the base causes different spring stretching lengths. That is, the above-mentioned plate body can adjust its position relative to the radar probe according to the airflow velocity under different sea conditions, forming different blocking effects and upward diversion effects on the airflow, realizing adaptive adjustment of the plate body's protection capability, improving the adaptability of the instrument to complex ocean conditions, and also increasing the accuracy and stability of the radar probe in measuring wave data under complex sea conditions.

[0010] As the angle between the first connecting rod and the second connecting rod changes during relative movement, the slip ring moves away from and stretches the spring, that is, the impact force of the airflow on the plate body can be buffered by the tensile deformation of the spring, thereby further reducing the possibility of longitudinal shaking of the platform, improving the stability of the platform connected to the side of the hull, thereby stabilizing the height of the radar probe from the sea surface, improving the accuracy of the instrument's measurement of wave parameters, reducing the error of two adjacent measurement data, and reducing the possibility of misjudgment of ocean wave conditions.

[0011] Preferably, a limit head is provided at the bottom of the rod body, which is used to limit the slip ring from sliding down on the rod body, and the included angle is always smaller than the flat angle. The limit head is at the bottom of the rod body, which ensures that the slip ring will not separate from the rod body on the one hand, and prevents the spring from losing its deformation ability due to excessive stretching on the other hand, ensuring that the board can effectively adjust its attitude according to the sea conditions, improving the stability of the board's anti-interference ability, and extending the service life of the spring.

[0012] Preferably, there are at least three radar probes, which form a triangular array on the platform. The plate body can move, and the plate body can form a shield on the side of the radar probe away from the bracket. When the radar probes form a triangular array, the three radar probes are arranged in a triangle, and the radar probes are directly directed downward for illumination. It is suitable for deployment and use when the measuring instrument is far away from the sea surface. The triangular array can obtain a standard radar reflection area that is close to an equilateral triangle, which is convenient for calculating various wave characteristic elements such as wave direction, wave height, wave period, etc. in the radar reflection area.

[0013] Preferably, a through hole is provided at the center of the platform, a mounting portion passing through the through hole is provided at the top of the rod body, an outer wall surface of the mounting portion is provided with an external thread, a mounting ring is provided at the platform, an inner wall of the mounting ring is provided with a thread groove, and the external thread cooperates with the thread groove. By cooperating between the external thread of the mounting portion and the internal thread of the mounting ring, the lifting and lowering adjustment of the rod body at the center of the platform is realized, thereby realizing the adjustment of the position of the rod assembly and the plate body relative to the platform, facilitating the adaptation of the plate body and the radar probe when radar probes of different sizes are installed on the platform, avoiding interference between the plate body and the radar probe during the swinging process, and expanding the adaptation range of the instrument to different radar probes.

[0014] Preferably, the first connecting rod is always located above the second connecting rod, and a mounting frame is provided on a side of the first connecting rod away from the rod body, and the plate body is detachably mounted on the mounting frame.

[0015] Preferably, the surface of one side of the plate body close to the rod body is coated with paint, and the paint is used to absorb radar electromagnetic waves. Since the radar probes are distributed in an array, when the radar reflection area formed by multiple radar probes receives the reflected radar wave signal, part of the reflected signal is likely to spread outward away from the bracket. If the radar probe is not turned off, part of the radar wave signal that escapes after reflection is likely to affect the body of nearby personnel. The paint on the side of the plate body close to the radar probe can absorb part of the reflected signal wave that spreads outward, that is, without turning off the radar probe, the platform can be visually inspected and the installation position adjusted relatively safely, which reduces the energy consumption caused by turning on and off the radar probe, and also improves the safety of personnel inspection and adjustment.

[0016] Compared with the prior art, the present invention has the following beneficial effects: the setting of the plate body weakens the influence of airflow on radar waves under severe sea conditions by reducing atmospheric fluctuations, thereby improving the accuracy of marine wave measurement; the plate body can adjust its posture according to the airflow in different sea conditions, thereby realizing adaptive adjustment of the plate body's protection capability and improving the adaptability of the instrument to complex ocean conditions; when the plate body is close to the radar probe and gradually approaches verticality, the blocking effect on strong lateral airflow is improved, thereby improving the plate body's anti-interference ability to radar waves; the swing of the plate body improves the ability to guide the airflow upward, reduces the possibility of shaking of the radar probe carried by the platform, and improves the hull's early warning speed for ocean wave changes; the rod assembly can adjust the position of the plate body relative to the platform through a threaded connection, thereby expanding the instrument's adaptability to different radar probes. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a radar wave measuring instrument; Figure 2 It is a schematic diagram of the connection position between the bracket and the rod assembly; Figure 3 This is a top view of a radar wave measuring instrument; Figure 4 It is a schematic diagram of the connection between the rod assembly and the plate body; Figure 5 It is a side view of the rod assembly and the rod body; Figure 6 for Figure 1 A magnified schematic diagram of the middle A area; Figure 7 This is a schematic diagram of the positions of the laser transmitter and the laser receiver in the second embodiment of the present invention.

[0018] Figure numbers: radar probe 1; platform 2; assembly ring 21; plate body 3; coating 31; bracket 4; rod body 41; base 42; slip ring 43; spring 44; assembly part 410; rod assembly 5; first connecting rod 51; second connecting rod 52; mounting frame 53; limit head 6; base 7; laser transmitter 8; laser receiver 9. DETAILED DESCRIPTION

[0019] The technical solution of the present invention is further described in detail below in conjunction with specific implementations and drawings: Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Embodiment 1: See attached Figure 1 -Attached Figure 5A radar wave measuring instrument includes: a radar probe 1 and a platform 2, the radar probe 1 is installed on the platform 2, a plate body 3 is provided under the platform 2, a bracket 4 is provided at the bottom center of the platform 2, rod assemblies 5 are evenly distributed on the sides of the bracket 4, any rod assembly 5 is connected to the plate body 3, and the radar probe 1 is provided on the side of the plate body 3 close to the bracket 4.

[0021] The platform 2 is connected to an extension rod at the side, and the platform 2 is horizontally installed on the side of the hull through the extension rod.

[0022] The platform 2 is arranged on the side of the hull, and a plurality of radar probes 1 are combined to form a detection area. Radar waves are transmitted to and received from the sea surface by each radar probe 1, so as to calculate wave characteristic elements such as wave direction, wave height and wave period in the detection area; the plate body 3 is arranged on the periphery of the radar probe 1 through the rod assembly 5. The plate body 3 reduces the atmospheric fluctuation around the radar probe 1 inside it by blocking the lateral airflow at sea, thereby reducing the fluctuation of the air density around the radar probe 1, and further reducing the interference of the air density fluctuation on the radar wave, improving the anti-interference ability of the radar probe 1 under severe sea conditions, helping to improve the accuracy of the radar probe 1 in transmitting radar waves and receiving reflected radar waves, and improving the measurement accuracy of the wave measuring instrument on the characteristics of marine wave elements; The detection end of the radar probe 1 is located below the platform 2 and is arranged downward, and the rod assembly 5 is located between adjacent radar probes 1 .

[0023] The rod assembly 5 is arranged between adjacent radar probes 1 to avoid the rod assembly 5 from blocking the radar waves emitted by the radar probe 1 and affecting the wave measurement results of the instrument; the rod assembly 5 is arranged between adjacent radar probes 1. Since the rod assembly 5 is evenly distributed on the side of the bracket 4 and the bracket 4 is located in the middle of the platform 2, the radar probe 1 is evenly arranged on the platform 2. The evenly distributed rod assembly 5 is used to realize the overall center of gravity of the instrument on the bracket 4 at the center of the platform 2, which is beneficial to improve the stability of the instrument arranged on the side of the hull. At the same time, it is also convenient for the instrument to be placed horizontally and stably on the ground and the deck after being disassembled as a whole, thereby improving the stability of the storage and placement of the instrument.

[0024] The bracket 4 includes a rod body 41, which is arranged at the bottom center of the platform 2. A base 42 is provided on the upper part of the rod body 41, and a slip ring 43 is sleeved on the lower part of the rod body 41. One end of the rod assembly 5 is movably connected to the base 42, and the other end of the rod assembly 5 is movably connected to the slip ring 43.

[0025] A spring 44 is fixedly connected between the base 42 and the slip ring 43 , and the spring 44 is sleeved on the rod body 41 .

[0026] The rod assembly 5 includes a first connecting rod 51 and a second connecting rod 52. One end of the first connecting rod 51 is hinged to the base 42, and one end of the second connecting rod 52 is hinged to the slip ring 43. The first connecting rod 51 and the second connecting rod 52 are movably connected at the non-hinged end and form an angle close to the rod body 41. The plate body 3 is installed on the side of the first connecting rod 51 away from the rod body 41. The spring 44 realizes the elastic connection between the base 42 and the slip ring 43. In severe sea conditions, the lateral airflow is fast and acts on the plate body 3, so that the first connecting rod 51 swings downward at the hinge with the base 42. At the same time, the first connecting rod 51 and the second connecting rod 52 swing relative to each other, so that the slip ring 43 hinged to the second connecting rod 52 slides up and down on the rod body 41 and stretches the spring 44. In this process, the plate body 3 is close to the detection end at the bottom of the radar probe 1 and gradually approaches a vertical state, thereby improving the blocking effect of strong lateral airflow, thereby improving the anti-interference ability of the plate body 3 to radar waves. At the same time, the downwardly swinging plate body 3 can improve the ability to guide the airflow upward, reduce the lateral impact interference of the airflow on the platform 2 and the radar probe 1, thereby reducing the possibility of the platform 2 carrying the radar probe 1 shaking, reducing the possibility of the radar wave signal sending position change, improving the accuracy of the instrument's data measurement of ocean waves in severe sea conditions, and improving the hull's early warning speed of ocean wave changes, which is conducive to improving the safety of navigation; When airflows of different strengths act on the plate body 3, the swing amplitudes of the first connecting rod 51 relative to the base 42 are different, so that the angles formed by the first connecting rod 51 and the second connecting rod 52 are different. At the same time, the change in the distance of the slip ring 43 relative to the base 42 causes the stretching length of the spring 44 to be different. That is, the above-mentioned plate body 3 can adjust its position relative to the radar probe 1 according to the airflow velocity under different sea conditions, forming different blocking effects and upward diversion effects on the airflow, realizing adaptive adjustment of the protection capability of the plate body 3, improving the adaptability of the instrument to complex ocean conditions, and also increasing the accuracy and stability of the radar probe 1 in measuring wave data under complex sea conditions.

[0027] Since the angle between the first connecting rod 51 and the second connecting rod 52 changes during relative movement, the slip ring 43 moves away from and stretches the spring 44, that is, the impact force of the airflow on the plate 3 can be buffered by the tensile deformation of the spring 44, thereby further reducing the possibility of longitudinal shaking of the platform 2 and improving the stability of the connection of the platform 2 to the side of the hull, thereby stabilizing the height of the radar probe 1 from the sea surface, improving the accuracy of the instrument in measuring wave parameters, reducing the error of two adjacent measurement data, and reducing the possibility of misjudgment of ocean wave conditions.

[0028] Under good sea conditions, flying creatures over the ocean may stay above the platform 2. When the flying creatures stay on the platform 2, the plate 3 is in an expanded state away from the radar probe 1, which can prevent the flying creatures from damaging the detection end of the radar probe 1. At the same time, the lateral airflow can cause the plate 3 to carry the first connecting rod 51 to swing, and under the action of the spring 44, the plate 3 can swing back and forth on one side of the radar probe 1, thereby driving away the flying creatures, reducing the load on the platform 2, and stabilizing the layout stability of the platform 2 on the side of the hull.

[0029] A limit head 6 is provided at the bottom of the rod body 41 , and the limit head 6 is used to limit the slip ring 43 from sliding continuously downward on the rod body 41 , and the included angle is always smaller than the straight angle.

[0030] The limit head 6 is made of rubber material to reduce the impact interference when the slip ring hijacks the limit head 6.

[0031] The limit head 6 is at the bottom of the rod body 41. On the one hand, it ensures that the slip ring 43 will not separate from the rod body 41, and on the other hand, it prevents the spring 44 from losing its deformation ability due to excessive stretching, ensuring that the plate body 3 can effectively adjust its posture according to the sea conditions, improving the stability of the anti-interference ability of the plate body 3, and extending the service life of the spring 44.

[0032] The limit head 6 limits the range of the angle change by limiting the displacement distance of the slip ring 43, ensuring that the plate body 3 will not be blocked under the radar probe 1 due to the downward movement of the slip ring 43 to affect the emission of radar waves.

[0033] There are at least three radar probes 1, which form a triangular array on the platform 2. The plate 3 is movable, and the plate 3 can form a shield on the side of the radar probe 1 away from the bracket 4. When the radar probes 1 form a triangular array, the three radar probes 1 are arranged in a triangle, and the radar probes 1 are directly directed downward for illumination, which is suitable for deployment and use when the measuring instrument is far away from the sea surface. The triangular array can obtain a standard radar reflection area that is close to an equilateral triangle, which is convenient for calculating various wave characteristic elements such as wave direction, wave height, wave period, etc. in the radar reflection area.

[0034] See attached Figure 6 The platform 2 is provided with a through hole at the center, and the top of the rod body 41 is provided with an assembly part 410 passing through the through hole, and the outer wall of the assembly part 410 is provided with an external thread, and the platform 2 is provided with an assembly ring 21, and the inner wall of the assembly ring 21 is provided with a thread groove, and the external thread cooperates with the thread groove. Through the cooperation between the external thread of the assembly part 410 and the internal thread of the assembly ring 21, the lifting and lowering adjustment of the rod body 41 at the center of the platform 2 is realized, thereby realizing the adjustment of the position of the rod assembly 5 and the plate body 3 relative to the platform 2, facilitating the adaptation of the plate body 3 and the radar probe 1 when radar probes 1 of different sizes are installed on the platform 2, avoiding the interference between the plate body 3 and the radar probe 1 during the swinging process, and expanding the adaptation range of the instrument to different radar probes 1.

[0035] The first connecting rod 51 is always located above the second connecting rod 52 . A mounting frame 53 is provided on a side of the first connecting rod 51 away from the rod body 41 . The plate body 3 can be detachably mounted on the mounting frame 53 .

[0036] The surface of the plate body 3 on one side close to the rod body 41 is coated with a coating 31, and the coating 31 is used to absorb radar electromagnetic waves. Since the radar probes 1 are distributed in an array, when the radar reflection area formed by the multiple radar probes 1 receives the reflected radar wave signal, part of the reflected signal is likely to spread outward away from the bracket 4. If the radar probe 1 is not turned off, part of the radar wave signal that escapes after reflection is likely to affect the body of nearby personnel. The coating 31 on the side of the plate body 3 close to the radar probe 1 can absorb part of the reflected signal wave that spreads outward, that is, without turning off the radar probe 1, the platform 2 can be visually inspected and the installation position adjusted relatively safely, which reduces the energy consumption caused by switching the radar probe 1 and improves the safety of personnel inspection and adjustment.

[0037] Embodiment 2: See attached Figure 7 On the basis of the first embodiment of the present invention, a base 7 is provided at the bottom of the limit head 6, a laser transmitter 8 is installed below the base 7, a laser receiver 9 is provided on the side of the hull, the laser transmitter 8 and the laser receiver 9 are located in corresponding positions, and the laser receiver 9 can always receive the laser emitted by the laser transmitter 8. The hull is provided with guide rails on the side, the guide rails extend longitudinally, and the laser receiver 9 is connected with a floating body, and the floating body can be connected and moved longitudinally in the guide rails.

[0038] The buoy can always float on the sea surface.

[0039] The laser transmitter 8 emits a distance-measuring laser and is received by the laser receiver 9, thereby obtaining the current height of the platform 2 relative to the waves on the sea surface. Since the hull is stationary on the sea surface or shakes due to the influence of waves during navigation, the height position of the platform 2 from the sea surface is always changing, affecting the accuracy of the instrument's measurement of ocean wave parameters. The laser receiver 9 is always kept at the sea surface position through the float, and the laser receiver 9 can always be directly below the laser transmitter 8 through the guide rail, so that the laser emitted by the laser transmitter 8 can always be received by the laser receiver 9, and the real-time measurement of the height of the platform 2 from the sea surface can be achieved. The actual distance between the platform 2 and the sea surface can be combined with the wave element characteristics measured by the radar probe 1 to compensate for the error caused by the hull shaking, which helps to reduce the wave measurement error of the radar probe 1 caused by the hull shaking.

[0040] Since the radar probe 1 periodically emits radar waves and receives reflected radar wave signals to measure the sea wave parameters, there is a time interval between two adjacent wave measurements. The real-time measurement of the current wave height is achieved through laser ranging, which is conducive to early warning of ocean waves with large fluctuations, avoiding the lag of the radar probe 1 in periodic wave measurement and the inability to detect waves in time, resulting in the hull being unable to avoid large waves in time, thereby improving the safety of navigation and enhancing the timeliness of the instrument's warning of turbulent waves.

[0041] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A radar wave measuring instrument, comprising: A radar probe (1) and a platform (2), wherein the radar probe (1) is mounted on the platform (2), and is characterized in that: a plate body (3) is provided below the platform (2), a bracket (4) is provided at the center of the bottom of the platform (2), rod assemblies (5) are evenly distributed on the sides of the bracket (4), any of the rod assemblies (5) is connected to the plate body (3), and the radar probe (1) is provided on a side of the plate body (3) close to the bracket (4).

2. A radar wave measuring instrument according to claim 1, characterized in that: The detection end of the radar probe (1) is located below the platform (2) and is arranged in a downward direction, and the rod assembly (5) is located between adjacent radar probes (1).

3. A radar wave measuring instrument according to claim 1, characterized in that: The bracket (4) comprises a rod body (41), the rod body (41) being arranged at the bottom center of the platform (2), a base (42) being arranged on the upper part of the rod body (41), a slip ring (43) being sleeved on the lower part of the rod body (41), one end of the rod assembly (5) being movably connected to the base (42), and the other end of the rod assembly (5) being movably connected to the slip ring (43).

4. A radar wave measuring instrument according to claim 3, characterized in that: A spring (44) is fixedly connected between the base (42) and the slip ring (43), and the spring (44) is sleeved on the rod body (41).

5. A radar wave measuring instrument according to claim 3, characterized in that: The rod assembly (5) comprises a first connecting rod (51) and a second connecting rod (52); one end of the first connecting rod (51) is hinged to the base (42); one end of the second connecting rod (52) is hinged to the slip ring (43); the first connecting rod (51) and the second connecting rod (52) are movably connected at a non-hinged end and form an angle close to the rod body (41); and the plate body (3) is mounted on a side of the first connecting rod (51) away from the rod body (41).

6. A radar wave measuring instrument according to claim 5, characterized in that: A limit head (6) is provided at the bottom of the rod body (41), and the limit head (6) is used to limit the slip ring (43) from sliding continuously downward on the rod body (41), and the included angle is always smaller than a straight angle.

7. A radar wave measuring instrument according to claim 3, characterized in that: There are at least three radar probes (1), and the radar probes (1) form a triangular array on the platform (2). The plate body (3) is movable, and the plate body (3) can form a shield on a side of the radar probe (1) away from the bracket (4).

8. A radar wave measuring instrument according to claim 3, characterized in that: The platform (2) is provided with a through hole at the center, the top of the rod body (41) is provided with an assembly portion (410) passing through the through hole, the outer wall surface of the assembly portion (410) is provided with an external thread, the platform (2) is provided with an assembly ring (21), the inner wall of the assembly ring (21) is provided with a thread groove, and the external thread cooperates with the thread groove.

9. A radar wave measuring instrument according to claim 6, characterized in that: The first connecting rod (51) is always located above the second connecting rod (52); a side of the first connecting rod (51) away from the rod body (41) has a mounting frame (53); and the plate body (3) is detachably mounted on the mounting frame (53).

10. A radar wave measuring instrument according to claim 6, characterized in that: A surface of one side of the plate body (3) close to the rod body (41) is coated with paint, and the paint is used to absorb radar electromagnetic waves.

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