CN112327322A - Radio Doppler velocity measurement method and device - Google Patents
Radio Doppler velocity measurement method and device Download PDFInfo
- Publication number
- CN112327322A CN112327322A CN202011154986.XA CN202011154986A CN112327322A CN 112327322 A CN112327322 A CN 112327322A CN 202011154986 A CN202011154986 A CN 202011154986A CN 112327322 A CN112327322 A CN 112327322A
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- radar
- sensor
- monitoring module
- speed
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Classifications
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- 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/50—Systems of measurement based on relative movement of target
- G01S17/58—Velocity or trajectory determination systems; Sense-of-movement determination systems
-
- 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
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4816—Constructional features, e.g. arrangements of optical elements of receivers alone
Abstract
The invention discloses a radio Doppler velocity measurement method and a radio Doppler velocity measurement device, which comprise a bottom plate, a first speed reduction motor, a second speed reduction motor, an electric push rod and a radar velocity measurement sensor, wherein the top of the bottom plate is fixedly connected with a fixed shaft, the surface of the fixed shaft is sleeved with a bearing, the surface of the bearing is sleeved with a support sleeve, the top of the support sleeve is provided with a fixed plate, the top of the fixed plate is fixedly connected with a support plate, the support plate is provided with a rotating shaft, one side surface of the support plate is provided with the radar velocity measurement sensor, and the side surface and the front surface of the radar velocity measurement sensor are respectively provided with a first inclination. According to the invention, through the arrangement of the first inclination monitoring module and the second inclination monitoring module, the angle of the radar speed measurement sensor can be monitored in real time, so that a user can know the angle of the radar speed measurement sensor in time and adjust the angle of the radar speed measurement sensor, and the accuracy of speed measurement is prevented from being influenced.
Description
Technical Field
The invention relates to the technical field of radio speed measurement. In particular to a radio Doppler velocity measurement method and a device.
Background
The speed measuring radar is an electronic device for detecting a target by using electromagnetic waves, transmits the electromagnetic waves to irradiate the target and receives echoes of the electromagnetic waves, so that the distance, the distance change rate and the like from the target to an electromagnetic wave transmitting point are obtained, and the measuring speed is based on the frequency Doppler effect principle generated by relative motion between the radar and the target;
the monitoring system based on the radar principle is widely applied, has the advantages of mature technology, relatively low price and the like, and is easy to popularize, but the radar speed measurement has relatively accurate requirement on the overlook angle, and after the radar speed measurement is installed and debugged, the change of the overlook angle can influence the speed measurement result; in addition, the severe weather such as strong wind also can lead to monitoring system mounted position to change, and these factors all can lead to the change of radar angle of looking down to lead to measuring speed inaccurate, mismeasuring, missing and survey etc..
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is to provide a method and a device for measuring a wireless doppler velocity, which are capable of automatic monitoring and convenient adjustment.
In order to solve the technical problems, the invention provides the following technical scheme: the radio Doppler velocity measurement method comprises the following steps:
a, mounting a bottom plate on a portal frame on a highway through bolts, electrically connecting a first speed reduction motor, a second speed reduction motor and an electric push rod with an external controller respectively, electrically connecting a radar speed measurement sensor with a speed measurement system, and electrically connecting a first inclination monitoring module and a second inclination monitoring module with the external controller;
b, after the whole device is installed and debugged and the radar speed measuring sensor is installed at a correct pitching angle, the speed measuring system controls the radar speed measuring sensor to measure the speed of the running vehicle and uploads the speed information of the vehicle to the control center;
and C: when the portal frame or the radar speed measuring sensor inclines leftwards and rightwards, a second inclination monitoring module is arranged on the front face of the radar speed measuring sensor, mercury in the second inclination monitoring module is in a horizontal state all the time under the action of gravity, after the radar speed measuring sensor inclines, the distances between the first buoy and the second buoy and between the first laser distance measuring sensor and the second laser distance measuring sensor can be changed, after the first laser distance measuring sensor and the second laser distance measuring sensor monitor the distance change, the two distances are transmitted to the controller, after the distance difference is calculated, the controller obtains the angle of left inclination or right inclination and controls the second speed reducing motor to rotate, and after the second speed reducing motor rotates, the sector is driven to rotate, so that the sector drives the rotating shaft to rotate and drives the radar speed measuring sensor to rotate to adjust the angle;
step D: when the portal frame or the radar speed measuring sensor is inclined forwards and backwards, a first inclination monitoring module is arranged on the side face of the radar speed measuring sensor, the relative positions of two floating drums in the first inclination monitoring module are changed, the changing distance is monitored through a first laser ranging sensor and a second laser ranging sensor in the first inclination monitoring module, the forward-inclination backward-inclination angle is calculated through a controller, and the electric push rod is controlled to extend and contract, so that the radar speed measuring sensor is driven to adjust the angle;
step E: when the radar monitoring sensor circumferential offset appeared, the electric wave offset that tests the speed that the radar monitoring sensor sent this moment rotates through the first gear motor of controller control to drive the ring gear and rotate, the ring gear drives and supports cover and fixed plate and rotate, thereby drives its upper assembling and rotates, makes the radar speed sensor rotate to the correct position.
Radio Doppler speed sensor, including bottom plate, first gear motor, second gear motor, electric putter and radar speed sensor, the top fixedly connected with fixed axle of bottom plate, the bearing has been cup jointed on the surface of fixed axle, the surface of bearing has been cup jointed and has been supported the cover, the top of supporting the cover is provided with the fixed plate, the top fixedly connected with backup pad of fixed plate, be provided with the pivot in the backup pad, a side of backup pad is provided with radar speed sensor, radar speed sensor's side and front are provided with first slope monitoring module and second slope monitoring module respectively.
In the above radio doppler velocity measurement device, the bottom of the first reduction motor is fixedly connected with the top of the bottom plate, the side surface of the support sleeve is fixedly connected with the gear ring, and the surface of the power output shaft of the first reduction motor is in transmission connection with the gear ring through a gear; the top of the bottom plate is provided with a rubber ring, the bottom of the fixed plate is fixedly connected with a protective cover, and the bottom end of the protective cover is in lap joint with the top of the rubber ring; the top fixedly connected with safety cover of fixed plate, the edge fixedly connected with organ formula protective sheath of safety cover, the other end of organ formula protective sheath and radar speed sensor's side fixed connection.
In the radio doppler velocity measurement device, a through hole is formed in the side surface of the support plate, a shaft sleeve is arranged in the through hole, the rotating shaft is movably arranged in the shaft sleeve in a penetrating manner, one end of the rotating shaft is fixedly connected with the sector gear, the other end of the rotating shaft is fixedly connected with the connecting lug, and the side surface of the connecting lug is movably connected with the back surface of the radar velocity measurement sensor through a pin shaft; and a second speed reducing motor is arranged at the top of the fixing plate, and an output shaft of the second speed reducing motor is in transmission connection with the tooth part of the sector through a gear.
In the radio Doppler speed measuring device, the top of the sector is movably connected with the electric push rod, and the other end of the electric push rod is movably connected with the middle part of the back of the radar speed measuring sensor.
In the radio doppler velocity measurement device, the first inclination monitoring module and the second inclination monitoring module have the same structure, the first inclination monitoring module comprises a shell, a partition plate is arranged in the middle of the inner wall of the shell, a first buoy and a second buoy are respectively arranged on two sides of the partition plate, the first buoy and the second buoy have the same structure, mercury is arranged in the shell, and a first laser distance measurement sensor and a second laser distance measurement sensor are respectively arranged at the top of the shell; the partition plate surface of the first tilt monitoring module is perpendicular to the partition plate surface of the second tilt monitoring module, and the partition plate-side vertical edge of the first tilt monitoring module is parallel to the partition plate-side vertical edge of the second tilt monitoring module.
In the above radio doppler velocity measuring device, the distance measuring point of the first laser distance measuring sensor is aligned to the middle of the top of the first buoy, and the distance measuring point of the second laser distance measuring sensor is aligned to the middle of the top of the second buoy.
According to the radio Doppler speed measuring device, the two sides of the partition plate are fixedly connected with the two sides of the inner wall of the shell respectively, a gap is formed between the bottom of the partition plate and the bottom of the inner wall of the shell, and a plurality of through holes are formed in the surface of the partition plate uniformly.
The technical scheme of the invention achieves the following beneficial technical effects:
1. according to the invention, the first inclination monitoring module and the second inclination monitoring module are arranged, so that the radar speed measuring sensor can be subjected to real-time angle monitoring, and can be timely adjusted when the inclination angle of the radar speed measuring sensor relative to the ground is changed, so that the radar speed measuring sensor is always in the initial correct installation position, the inclination angle of the radar speed measuring sensor relative to the ground can be always kept unchanged, and the accuracy of speed measurement is prevented from being influenced.
2. According to the invention, through arranging the first speed reducing motor, the second speed reducing motor and the electric push rod, the circumferential rotation, the left-right inclination angle adjustment and the front-back inclination angle adjustment can be respectively carried out on the radar speed measuring sensor, so that the monitoring area of the radar speed measuring sensor is in a correct range, and the adjustment mode is electric adjustment, so that the radar speed measuring sensor is convenient and quick, the manual adjustment is avoided, the labor amount is reduced, and meanwhile, the safety is improved.
3. According to the invention, through arranging the first inclination monitoring module and the second inclination monitoring module, the inclination state of the portal frame can be monitored, when excessive inclination occurs, data can be sent to the command center, and a user can judge whether danger exists according to the inclination data, so that the portal frame can be overhauled in time, and the danger is avoided.
Drawings
FIG. 1 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic diagram of a front cross-sectional view of a first laser tilt monitoring module according to the present invention;
FIG. 5 is a schematic side view of a cross-sectional structure of a first laser tilt monitoring module of the present invention;
fig. 6 is a schematic diagram of relative positions of a first laser tilt detection module and a second laser tilt detection module according to the present invention.
The reference numbers in the figures denote: 1-a bottom plate; 2, fixing a shaft; 3-a bearing; 4-supporting the sleeve; 5-a gear ring; 6-a first gear motor; 7-fixing the plate; 8-a protective cover; 9-a protective cover; 10-a support plate; 11-a second gear motor; 12-a toothed fan; 13-a rotating shaft; 14-an electric push rod; 15-connecting lugs; 16-radar speed measurement sensor; 17-a concertina protective sleeve; 18-a rubber ring; 19-a first tilt monitoring module; 20-a second tilt monitoring module; 21-a housing; 22-a first laser ranging sensor; 23-a second laser ranging sensor; 24-a separator; 241-plate surface; 242-side stile; 25-a first buoy; 26-a second buoy; 27-mercury.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The invention provides a technical scheme that: the radio Doppler velocity measurement method comprises the following steps:
a, installing a bottom plate 1 on a portal frame on a highway through bolts, electrically connecting a first speed reduction motor 6, a second speed reduction motor 11 and an electric push rod 14 with an external controller respectively, electrically connecting a radar speed measurement sensor 16 with a speed measurement system, and electrically connecting a first inclination monitoring module 19 and a second inclination monitoring module 20 with the external controller;
step B, after the whole device is installed and debugged and the radar speed measuring sensor 16 is installed at a correct pitch angle, the speed measuring system controls the radar speed measuring sensor 16 to measure the speed of the running vehicle and uploads the speed information of the vehicle to the control center;
and C: when the portal frame or the radar speed measuring sensor 16 inclines left and right, the front surface of the radar speed measuring sensor 16 is provided with a second inclination monitoring module 20, the liquid level of mercury 27 in the second inclination monitoring module 20 is always in a horizontal state under the action of gravity, when the radar speed measuring sensor 16 inclines, the distances between the first buoy 25 and the second buoy 26 and the distances between the first laser distance measuring sensor 22 and the second laser distance measuring sensor 23 are changed, after the distances are changed by the first laser distance measuring sensor 22 and the second laser distance measuring sensor 23, the two distances are transmitted to the controller, the controller calculates the distance difference to obtain the angle of left inclination or right inclination and controls the second speed reducing motor 11 to rotate, after the second speed reducing motor 11 rotates, the sector 12 is driven to rotate, and the sector 12 thereby drives the rotating shaft 13 to rotate and drives the radar speed measuring sensor 16 to rotate, carrying out angle adjustment;
step D: when the portal frame or the radar speed measuring sensor 16 tilts forwards and backwards, a first tilt monitoring module 19 is arranged on the side surface of the radar speed measuring sensor 16, the relative positions of two buoys in the first tilt monitoring module 19 change, the change distance is monitored through a first laser ranging sensor 22 and a second laser ranging sensor 23 in the first tilt monitoring module 19, the forward-tilting and backward-tilting angle is calculated through a controller, and the electric push rod 14 is controlled to extend and contract, so that the radar speed measuring sensor 16 is driven to adjust the angle;
step E: when the radar monitor sensor circumference skew appears, the electric wave offset that tests the speed that the radar monitor sensor sent this moment rotates through first gear motor 6 of controller control to drive ring gear 5 and rotate, ring gear 5 drives and supports cover 4 and fixed plate 7 and rotate, thereby drives its upper assembly and rotates, makes radar speed sensor 16 rotate to the correct position.
As shown in fig. 1, the wireless doppler velocity measurement device includes a bottom plate 1, a first gear motor 6, a second gear motor 11, an electric push rod 14 and a radar velocity measurement sensor 16, wherein the bottom of the first gear motor 6 is fixedly connected with the top of the bottom plate 1, a gear ring 5 is fixedly connected with the side surface of the support sleeve 4, and the surface of a power output shaft of the first gear motor 6 is in transmission connection with the gear ring 5 through a gear; the top of the bottom plate 1 is provided with a rubber ring 18, the bottom of the fixing plate 7 is fixedly connected with a protective cover 8, and the bottom end of the protective cover 8 is lapped with the top of the rubber ring 18; the top of the fixed plate 7 is fixedly connected with a protective cover 9, the edge of the protective cover 9 is fixedly connected with an organ type protective sleeve 17, the other end of the organ type protective sleeve 17 is fixedly connected with the side surface of the radar speed measuring sensor 16, the top of the bottom plate 1 is fixedly connected with a fixed shaft 2, the surface of the fixed shaft 2 is sleeved with a bearing 3, the surface of the bearing 3 is sleeved with a supporting sleeve 4, the top of the supporting sleeve 4 is provided with a fixed plate 7, the top of the fixing plate 7 is fixedly connected with a supporting plate 10, the supporting plate 10 is provided with a rotating shaft 13, a radar speed measuring sensor 16 is arranged on one side surface of the supporting plate 10, a shaft sleeve is arranged in the through hole, the rotating shaft 13 is movably arranged in the shaft sleeve in a penetrating way, one end of the rotating shaft 13 is fixedly connected with a sector 12, the other end of the rotating shaft 13 is fixedly connected with a connecting lug 15, and the side surface of the connecting lug 15 is movably connected with the back surface of the radar speed measuring sensor 16 through a pin shaft; the top of the fixed plate 7 is provided with a second speed reducing motor 11, the output shaft of the second speed reducing motor 11 is in transmission connection with the tooth part of the sector 12 through a gear, the first speed reducing motor 6, the second speed reducing motor 11 and the electric push rod 14 are arranged, the radar speed measuring sensor 16 can be respectively subjected to circumferential rotation, left-right and front-back inclination angle adjustment, the monitoring area of the radar speed measuring sensor 16 is enabled to be in a correct range, the adjustment mode is electric adjustment, the adjustment is convenient and fast, the adjustment by manpower is avoided, the labor amount is reduced, meanwhile, the safety is improved, the radar speed measuring sensor 16 is arranged on the side surface of the rotating shaft 13, the first inclination monitoring module 19 and the second inclination monitoring module 20 are respectively arranged on the side surface and the front surface of the radar speed measuring sensor 16, and the real-time angle monitoring can be carried out on the radar speed measuring sensor 16 by arranging the first inclination monitoring module 19 and the second, the timely understanding of user of being convenient for its angle to adjust it, avoid influencing the accuracy that tests the speed, and can monitor the tilt state of portal frame, when appearing excessively inclining, can be with data transmission to command center, and user of service can judge whether there is danger according to the slope data, thereby in time overhauls the portal frame, avoids appearing danger.
The structure of the first inclination monitoring module 19 is the same as that of the second inclination monitoring module 20, the first inclination monitoring module 19 includes a housing 21, a partition 24 is disposed in the middle of the inner wall of the housing 21, two sides of the partition 24 are respectively fixedly connected with two sides of the inner wall of the housing 21, a gap is disposed between the bottom of the partition 24 and the bottom of the inner wall of the housing 21, a plurality of through holes are uniformly formed in the surface of the partition 24, a first buoy 25 and a second buoy 26 are respectively disposed on two separated sides of the partition 24, the first buoy 25 and the second buoy 26 have the same structure, mercury 27 is disposed inside the housing 21, a first laser distance measuring sensor 22 and a second laser distance measuring sensor 23 are respectively disposed on the top of the housing 21, as shown in fig. 6, the partition 24 of the first inclination monitoring module 19 is perpendicular to the partition 24 of the second inclination monitoring module 20, and the vertical edge 242 on the side of the partition plate 24 of the first inclination monitoring module 19 and the vertical edge on the side of the partition plate 24 of the second inclination monitoring module 20 are parallel to each other, the distance measuring point of the first laser distance measuring sensor 22 is aligned with the middle of the top of the first float bowl 25, and the distance measuring point of the second laser distance measuring sensor 23 is aligned with the middle of the top of the second float bowl 26.
The working principle is as follows: when the device is used, the bottom plate 1 is fixedly installed with a portal frame through bolts, and the first speed reducing motor 6, the second speed reducing motor 11, the electric push rod 14, the first inclination monitoring module 19 and the second inclination monitoring module 20 are electrically connected with an external controller, the controller is not shown in the figure, and the radar speed measuring sensor 16 is electrically connected with a speed measuring system;
when the radar speed measuring sensor 16 needs to be adjusted in a circumferential rotating mode, the controller controls the first speed reducing motor 6 to rotate, the output shaft of the first speed reducing motor 6 drives the gear meshed with the gear ring 5 to rotate, so that the supporting sleeve 4 and the fixing plate 7 are driven to rotate, the fixing plate 7 and the upper assembly are driven to rotate, and the purpose of circumferentially adjusting the radar speed measuring sensor 16 is achieved; when the radar speed measuring sensor 16 needs to be adjusted in left and right inclination angles, the controller controls the second speed reducing motor 11 to rotate, after the second speed reducing motor 11 rotates, the gear wheel drives the gear sector 12 to rotate and drives the rotating shaft 13 to rotate, and the radar speed measuring sensor 16 is adjusted to a required angle by referring to the inclination angle information fed back by the second inclination monitoring module 20; when the radar speed measuring sensor 16 needs to be adjusted in front and back overlooking angles, the controller controls the electric push rod 14 to contract or extend, so that the radar speed measuring sensor 16 is driven to swing back and forth, and the overlooking angle of the radar speed measuring sensor 16 is adjusted by referring to the inclination angle information fed back by the first inclination monitoring module 19.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (8)
1. The radio Doppler velocity measurement method is characterized by comprising the following steps of:
a, a bottom plate (1) is installed on a portal frame on a highway through bolts, a first speed reducing motor (6), a second speed reducing motor (11) and an electric push rod (14) are respectively and electrically connected with an external controller, a radar speed measuring sensor (16) is electrically connected with a speed measuring system, and a first inclination monitoring module (19) and a second inclination monitoring module (20) are electrically connected with the external controller;
step B, after the whole device is installed and debugged and the radar speed measuring sensor (16) is installed at a correct pitch angle, the speed measuring system controls the radar speed measuring sensor (16) to measure the speed of the running vehicle and uploads the speed information of the vehicle to the control center;
and C: when a portal frame or a radar speed measuring sensor (16) inclines left and right, a second inclination monitoring module (20) is arranged on the front surface of the radar speed measuring sensor (16), the liquid level of mercury (27) in the second inclination monitoring module (20) is always in a horizontal state under the action of gravity, after the radar speed measuring sensor (16) inclines, the distances between a first buoy (25) and a second buoy (26) and between a first laser ranging sensor (22) and a second laser ranging sensor (23) are changed, after the first laser ranging sensor (22) and the second laser ranging sensor (23) monitor the distance change, the two distances are transmitted to a controller, after the distance difference is calculated by the controller, the controller obtains the angle of left inclination or right inclination and controls the second speed reducing motor (11) to rotate, after the second speed reducing motor (11) rotates, the sector (12) is driven to rotate, the gear fan (12) drives the rotating shaft (13) to rotate and drives the radar speed measurement sensor (16) to rotate so as to adjust the angle;
step D: when the portal frame or the radar speed measuring sensor (16) tilts forwards and backwards, a first tilt monitoring module (19) is arranged on the side face of the radar speed measuring sensor (16), the relative positions of two buoys in the first tilt monitoring module (19) change, the change distance is monitored through a first laser ranging sensor (22) and a second laser ranging sensor (23) in the first tilt monitoring module (19), the forward-tilting and backward-tilting angles are calculated through a controller, and the electric push rod (14) is controlled to extend and then contract, so that the radar speed measuring sensor (16) is driven to adjust the angle;
step E: when the circumference skew appears in radar monitor sensor, the electric wave offset that tests the speed that radar monitor sensor sent this moment rotates through first gear motor (6) of controller control to drive ring gear (5) and rotate, ring gear (5) drive support cover (4) and fixed plate (7) rotate, thereby drive its upper subassembly and rotate, make radar speed sensor (16) rotate to the correct position.
2. A radio Doppler velocity measurement device comprises a bottom plate (1), a first speed reduction motor (6), a second speed reduction motor (11), an electric push rod (14) and a radar velocity measurement sensor (16), it is characterized in that the top of the bottom plate (1) is fixedly connected with a fixed shaft (2), the surface of the fixed shaft (2) is sleeved with a bearing (3), the surface of the bearing (3) is sleeved with a support sleeve (4), a fixed plate (7) is arranged at the top of the support sleeve (4), a support plate (10) is fixedly connected at the top of the fixed plate (7), a rotating shaft (13) is arranged on the supporting plate (10), a radar speed measuring sensor (16) is arranged on one side surface of the supporting plate (10), the side and the front of the radar speed measurement sensor (16) are respectively provided with a first inclination monitoring module (19) and a second inclination monitoring module (20).
3. The radio Doppler velocity measurement device according to claim 2, wherein the bottom of the first gear motor (6) is fixedly connected with the top of the bottom plate (1), the side of the support sleeve (4) is fixedly connected with a gear ring (5), and the surface of the power output shaft of the first gear motor (6) is in transmission connection with the gear ring (5) through a gear; the top of the bottom plate (1) is provided with a rubber ring (18), the bottom of the fixing plate (7) is fixedly connected with a protective cover (8), and the bottom end of the protective cover (8) is overlapped with the top of the rubber ring (18); the top fixedly connected with safety cover (9) of fixed plate (7), the edge fixedly connected with organ formula protective sheath (17) of safety cover (9), the other end of organ formula protective sheath (17) and the side fixed connection of radar tachometer sensor (16).
4. The radio Doppler velocity measurement device according to claim 2, wherein a through hole is formed in the side surface of the support plate (10), a shaft sleeve is arranged in the through hole, the rotating shaft (13) is movably arranged in the shaft sleeve in a penetrating manner, one end of the rotating shaft (13) is fixedly connected with the sector gear (12), the other end of the rotating shaft (13) is fixedly connected with the connecting lug (15), and the side surface of the connecting lug (15) is movably connected with the back surface of the radar velocity measurement sensor (16) through a pin shaft; the top of fixed plate (7) is provided with second gear motor (11), the output shaft of second gear motor (11) passes through the tooth portion transmission of gear and sector (12) and is connected.
5. The radio Doppler velocity measurement device according to claim 4, wherein an electric push rod (14) is movably connected to the top of the sector (12), and the other end of the electric push rod (14) is movably connected to the middle of the back of the radar velocity measurement sensor (16).
6. The radio Doppler velocity measurement device according to claim 2, wherein the first inclination monitoring module (19) and the second inclination monitoring module (20) have the same structure, the first inclination monitoring module (19) comprises a housing (21), a partition plate (24) is arranged in the middle of the inner wall of the housing (21), a first buoy (25) and a second buoy (26) are respectively arranged on two separated sides of the partition plate (24), the first buoy (25) and the second buoy (26) have the same structure, mercury (27) is arranged in the housing (21), and a first laser ranging sensor (22) and a second laser ranging sensor (23) are respectively arranged on the top of the housing (21); the partition plate (24) surface of the first tilt monitoring module (19) and the partition plate (24) surface (241) of the second tilt monitoring module (20) are perpendicular to each other, and the partition plate (24) side vertical edge (242) of the first tilt monitoring module (19) and the partition plate (24) side vertical edge of the second tilt monitoring module (20) are parallel to each other.
7. The radio Doppler velocimetry device according to claim 6, wherein the ranging point of the first laser ranging sensor (22) is aligned with the top middle of the first buoy (25), and the ranging point of the second laser ranging sensor (23) is aligned with the top middle of the second buoy (26).
8. The radio Doppler velocity measurement device according to claim 6, wherein two sides of the partition plate (24) are respectively and fixedly connected with two sides of the inner wall of the housing (21), a gap is formed between the bottom of the partition plate (24) and the bottom of the inner wall of the housing (21), and a plurality of through holes are uniformly formed in the surface of the partition plate (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011154986.XA CN112327322A (en) | 2020-10-26 | 2020-10-26 | Radio Doppler velocity measurement method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011154986.XA CN112327322A (en) | 2020-10-26 | 2020-10-26 | Radio Doppler velocity measurement method and device |
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| Publication Number | Publication Date |
|---|---|
| CN112327322A true CN112327322A (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011154986.XA Withdrawn CN112327322A (en) | 2020-10-26 | 2020-10-26 | Radio Doppler velocity measurement method and device |
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| CN (1) | CN112327322A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115631586A (en) * | 2022-09-05 | 2023-01-20 | 北京顺圆和合科技有限公司 | Intelligent safety early warning instrument based on Doppler radar technology |
-
2020
- 2020-10-26 CN CN202011154986.XA patent/CN112327322A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115631586A (en) * | 2022-09-05 | 2023-01-20 | 北京顺圆和合科技有限公司 | Intelligent safety early warning instrument based on Doppler radar technology |
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Application publication date: 20210205 |