CN113608226A - Ultrasonic radar detection equipment and method with variable detection distance - Google Patents
Ultrasonic radar detection equipment and method with variable detection distance Download PDFInfo
- Publication number
- CN113608226A CN113608226A CN202110782226.1A CN202110782226A CN113608226A CN 113608226 A CN113608226 A CN 113608226A CN 202110782226 A CN202110782226 A CN 202110782226A CN 113608226 A CN113608226 A CN 113608226A
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- Prior art keywords
- ultrasonic radar
- detection
- control device
- motion mechanism
- detection distance
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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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/06—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/06—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates
- E01F13/065—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage by swinging into open position about a vertical or horizontal axis parallel to the road direction, i.e. swinging gates specially adapted for individual parking spaces
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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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/93—Sonar systems specially adapted for specific applications for anti-collision purposes
- G01S15/931—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
- G01S2015/932—Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles for parking operations
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention discloses ultrasonic radar detection equipment and method with variable detection distance, which comprises an ultrasonic radar probe, an ultrasonic radar ranging module, a control device, a motion mechanism and a motion mechanism controller, wherein the ultrasonic radar probe is connected with the motion mechanism controller; the ultrasonic radar probe and the ultrasonic radar ranging module are arranged on the movement mechanism; the control device can read the position of the motion mechanism through the motion mechanism controller; the control device can read the distance detected by the ultrasonic radar ranging module in real time. The invention provides a new detection scheme for equipment such as a barrier gate and the like needing to detect objects.
Description
Technical Field
The invention belongs to the technical field of new energy automobiles, and particularly relates to ultrasonic radar detection equipment and method for detecting a new energy automobile with a variable detection distance.
Background
The existing barrier gate has the following problems in vehicle detection or folding rod type automobile berth stopping equipment:
1. vehicle detection equipment at a fixed position is easy to have false detection conditions, and equipment malfunction occurs, so that an automobile is damaged;
2. the vehicle detection equipment at the non-fixed position has fixed detection distance and inaccurate detection position, and cannot achieve the purpose of real-time detection.
Disclosure of Invention
The present invention is directed to an ultrasonic radar detection method with a variable detection distance, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a detection distance variable ultrasonic radar detection method comprises an ultrasonic radar probe, an ultrasonic radar ranging module, a control device, a motion mechanism and a motion mechanism controller, wherein the ultrasonic radar probe detects an object in front of the radar probe once every 200ms through the ultrasonic radar ranging module; the motion mechanism is controlled and driven by a motion mechanism controller, and a direct current motor with an encoder used in the motion mechanism can feed back a real-time position to the motion mechanism controller; the control device is communicated with the ultrasonic radar ranging module through the 485 serial port 1 to obtain the distance detected by the radar; the control device is communicated with the motion mechanism controller through the 485 serial port 2 to obtain the real-time position of the motor; and the control device adjusts the detection distance according to the read motor position, and judges whether an object enters under the condition of the changed detection distance according to the distance detected by the radar, so that the detection of the ultrasonic radar with the variable detection distance is realized.
A detection method of an ultrasonic radar detection device with a variable detection distance comprises the following steps:
a. firstly, when the folding rod is at a blocking position, the height of the ultrasonic radar probe is 0.8m, the detection distance is adjusted to be 0.7m by the control device and is smaller than the detection distance, and the control device outputs an alarm response;
b. the motion of the motion mechanism is controlled by the outside, the height of the folding rod is changed continuously, so that the height of the ultrasonic radar probe 1 is increased continuously, and the control device detects the real-time position of the motion mechanism to adjust the detection distance;
c. when the folding rod is in the opening position, the height of the ultrasonic radar probe is 2.5m, the detection distance is adjusted to be 2.4m by the control device and is smaller than the detection distance, and the control device outputs an alarm response;
d. in the process of the falling of the folding rod, the height of the ultrasonic radar probe is continuously reduced, the detection distance is continuously changed by adjusting the control device, and the maximum detection area and the maximum protection range can be ensured.
The invention has the technical effects and advantages that:
1. a detection distance variable ultrasonic radar detection method fully solves the problem that a folding rod type berth stopping device detects a vehicle;
2. the radar probe is arranged on the folding rod, so that the folding rod can be effectively prevented from touching an automobile;
3. the detection distance is variable, and whether other objects exist at the falling position can be detected in real time in the falling process of the folding rod;
4. the multi-angle ultrasonic radar probe has a wider detection range and more reliable operation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a topology diagram of the present invention.
Reference numbers in the figures: 1 ultrasonic radar probe, 2 ultrasonic radar ranging modules, 3 control devices, 4 motion mechanisms and 5 motion mechanism controllers.
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.
Fig. 1-2 show an embodiment of an ultrasonic radar detection apparatus and method with a variable detection distance according to the present invention: comprises 1 ultrasonic radar probe, 2 ultrasonic radar ranging module, 3 control device, 4 motion mechanism, 5 motion mechanism controller,
the ultrasonic radar probe 1 detects an object in front of the radar probe once every 200ms by the ultrasonic radar ranging module 2; the motion mechanism 4 is driven by a motion mechanism controller 5, and a direct current motor with an encoder used in the motion mechanism 4 can feed back a real-time position to the motion mechanism controller 5; the control device 3 is communicated with the ultrasonic radar ranging module 2 through a 485 serial port to obtain the distance detected by the radar; the control device 3 is communicated with the motion mechanism controller 5 through a 485 serial port to obtain the real-time position of the motor; the control device 3 adjusts the detection distance according to the read motor position, and judges whether an object enters under the condition of the changed detection distance according to the distance detected by the radar, so that the detection of the ultrasonic radar with the variable detection distance is realized.
The implementation process comprises the following steps:
a. firstly, when the folding rod is at a blocking position, the height of the ultrasonic radar probe 1 is 0.8m, the detection distance is adjusted to be 0.7m by the control device 3 and is smaller than the detection distance, and the control device 3 outputs an alarm response;
b. the motion mechanism 4 is controlled to act by the outside, the height of the folding rod is changed continuously, so that the height of the ultrasonic radar probe 1 is increased continuously, and the control device 3 detects the real-time position of the motion mechanism 4 to adjust the detection distance;
c. when the folding rod is in the opening position, the height of the ultrasonic radar probe 1 is 2.5m, the detection distance is adjusted to be 2.4m by the control device 3 and is smaller than the detection distance, and the control device 3 outputs an alarm response;
d. in the process of the falling of the folding rod, the height of the ultrasonic radar probe 1 is continuously reduced, the detection distance is adjusted by the control device 3 to be continuously changed, and the maximum detection area and the maximum protection range can be ensured.
The applicant further states that the present invention is described in the above embodiments to explain the implementation method and device structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it is not meant to imply that the present invention must rely on the above methods and structures to implement the present invention. It should be understood by those skilled in the art that any modifications to the present invention, the implementation of alternative equivalent substitutions and additions of steps, the selection of specific modes, etc., are within the scope and disclosure of the present invention.
The present invention is not limited to the above embodiments, and all the ways of achieving the objects of the present invention by using the structure and the method similar to the present invention are within the protection scope of the present invention.
Claims (5)
1. An ultrasonic radar detection device with a variable detection distance, characterized in that: the ultrasonic radar ranging device comprises an ultrasonic radar probe (1), an ultrasonic radar ranging module (2), a control device (3), a motion mechanism (4) and a motion mechanism controller (5);
the ultrasonic radar probe (1) detects an object in front of the radar probe once every 200ms by the ultrasonic radar ranging module (2);
the motion mechanism (4) is controlled and driven by a motion mechanism controller (5), and a direct current motor with an encoder used in the motion mechanism (4) can feed back a real-time position to the motion mechanism controller (5);
the control device (3) is communicated with the ultrasonic radar ranging module (2) through the 485 serial port 1 to obtain the distance detected by the radar;
and the control device (3) is communicated with the movement mechanism controller (5) through the 485 serial port 2 to obtain the real-time position of the motor.
2. An ultrasonic radar detection device with a variable detection distance according to claim 1, wherein: the ultrasonic radar ranging module (2) drives the ultrasonic radar probe (1) to detect an object in front of the probe; whether an object enters the detection area can be judged according to the set detection distance.
3. An ultrasonic radar detection device with a variable detection distance according to claim 1, wherein: the direct current motor with the encoder used in the motion mechanism (4) can feed back a real-time position to the motion mechanism controller (5), and the motor position recorded by the motion mechanism controller (5) can be read by the control device (3).
4. An ultrasonic radar detection device with a variable detection distance according to claim 1, wherein: the control device (3) is communicated with the ultrasonic radar ranging module (2) through the 485 serial port 1 to obtain the distance detected by the radar, and is communicated with the motion mechanism controller (5) through the 485 serial port 2 to obtain the real-time position of the motor; the control device (3) adjusts the detection distance according to the read motor position, and then judges whether an object enters under the condition of the changed detection distance according to the distance detected by the radar, so that the detection of the ultrasonic radar with the variable detection distance is realized.
5. A detection method of an ultrasonic radar detection device whose detection distance is variable, according to claim 1, characterized in that: the method comprises the following steps:
a. firstly, when the folding rod is at a blocking position, the height of the ultrasonic radar probe (1) is 0.8m, the detection distance is adjusted to be 0.7m by the control device (3) and is smaller than the detection distance, and the control device (3) outputs an alarm response;
b. the motion of the motion mechanism (4) is controlled by the outside, the height of the folding rod is changed continuously, so that the height of the ultrasonic radar probe (1) is increased continuously, and the control device (3) detects the real-time position of the motion mechanism (4) to adjust the detection distance;
c. when the folding rod is in the opening position, the height of the ultrasonic radar probe (1) is 2.5m, the detection distance is adjusted to be 2.4m by the control device (3) and is smaller than the detection distance, and the control device (3) outputs an alarm response;
d. in the process of the falling of the folding rod, the height of the ultrasonic radar probe (1) is continuously reduced, the detection distance is adjusted by the control device (3) to be continuously changed, and the maximum detection area and the maximum protection range can be ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782226.1A CN113608226B (en) | 2021-07-12 | 2021-07-12 | Ultrasonic radar detection equipment and method with variable detection distance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110782226.1A CN113608226B (en) | 2021-07-12 | 2021-07-12 | Ultrasonic radar detection equipment and method with variable detection distance |
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| Publication Number | Publication Date |
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| CN113608226A true CN113608226A (en) | 2021-11-05 |
| CN113608226B CN113608226B (en) | 2023-03-28 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716549A (en) * | 2016-02-03 | 2016-06-29 | 吴立滨 | Intelligent digital display platform limit measuring vehicle and measuring method |
| CN106168470A (en) * | 2016-08-25 | 2016-11-30 | 吴立滨 | A kind of station platform clearance survey device and method |
| CN107878343A (en) * | 2017-10-27 | 2018-04-06 | 江苏大学 | It is a kind of to take into account vehicle automatic parking Xun Ku and the supersonic range finder and its method of the monitoring of rear blind area |
| CN208636337U (en) * | 2018-07-17 | 2019-03-22 | 江苏大学 | It is a kind of can remote control flow velocity measuring device |
| US20200225345A1 (en) * | 2019-01-11 | 2020-07-16 | Texas Instruments Incorporated | Coded ultrasonic sensing with staggered bursts |
| CN213228491U (en) * | 2020-07-15 | 2021-05-18 | 深圳市奥特晟科技有限公司 | Reversing radar with retractable protection |
-
2021
- 2021-07-12 CN CN202110782226.1A patent/CN113608226B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716549A (en) * | 2016-02-03 | 2016-06-29 | 吴立滨 | Intelligent digital display platform limit measuring vehicle and measuring method |
| CN106168470A (en) * | 2016-08-25 | 2016-11-30 | 吴立滨 | A kind of station platform clearance survey device and method |
| CN107878343A (en) * | 2017-10-27 | 2018-04-06 | 江苏大学 | It is a kind of to take into account vehicle automatic parking Xun Ku and the supersonic range finder and its method of the monitoring of rear blind area |
| CN208636337U (en) * | 2018-07-17 | 2019-03-22 | 江苏大学 | It is a kind of can remote control flow velocity measuring device |
| US20200225345A1 (en) * | 2019-01-11 | 2020-07-16 | Texas Instruments Incorporated | Coded ultrasonic sensing with staggered bursts |
| CN213228491U (en) * | 2020-07-15 | 2021-05-18 | 深圳市奥特晟科技有限公司 | Reversing radar with retractable protection |
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| CN113608226B (en) | 2023-03-28 |
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