CN209873609U - Three-dimensional marker for measuring aerial traffic accident scene graph of unmanned aerial vehicle - Google Patents
Three-dimensional marker for measuring aerial traffic accident scene graph of unmanned aerial vehicle Download PDFInfo
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- CN209873609U CN209873609U CN201920501460.0U CN201920501460U CN209873609U CN 209873609 U CN209873609 U CN 209873609U CN 201920501460 U CN201920501460 U CN 201920501460U CN 209873609 U CN209873609 U CN 209873609U
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- aerial vehicle
- unmanned aerial
- traffic accident
- dimensional marker
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Abstract
The utility model provides a three-dimensional marker for unmanned aerial vehicle aerial photography traffic accident site map measurement, which comprises a circular upright post, four horizontal rods and a base, wherein the four horizontal rods are uniformly distributed on the outer side wall of the base along the circumferential direction; the round column is installed at the upper end tip of base, and the base is placed subaerial, and the combination forms space coordinate system, for providing great help in the aspect of the unmanned aerial vehicle investigation work, has higher maneuverability and convenience.
Description
Technical Field
The utility model belongs to vehicle and road traffic safety field relate to the required ground mark scale device technique of three-dimensional reconstruction based on unmanned aerial vehicle surveys, concretely relates to have portability and collapsible three-dimensional mark device concurrently.
Background
After a traffic accident occurs, the scene of the traffic accident is investigated in time, the cause of the accident is analyzed, and the method has important significance for making an effective scheme to reduce the frequency of the traffic accident in the future. A large amount of objective measurable data exists in the scene of the traffic accident, which is the real expression of the whole traffic accident reason analysis, and the accident investigation and the determination of responsible parties can be carried out. Therefore, the investigation of the traffic accident scene is more and more emphasized by the public security and insurance departments.
At present, the unmanned aerial vehicle is widely applied to various fields, and has the characteristics of high visual angle, omnibearing performance, wide picture width, large visual field and strong maneuverability, less limitation, safety, stability and manpower saving. Under the information background, the high-efficiency utilization of scientific and technological resources is beneficial to realizing the transformation of a field investigation mode, the expansion of a field investigation thinking, the change of a field investigation concept and the innovation of a field investigation method, and the close combination of technology and service can be realized by applying the unmanned aerial vehicle aerial photography technology in the investigation process.
The unmanned aerial vehicle aerial image of the traffic accident scene represents the orthographic projection of the participating elements on the road, so that a ground marker capable of representing a three-dimensional coordinate system is placed in the traffic accident scene needing unmanned aerial vehicle shooting, and the marker can be used as a reference to complete a three-dimensional graphic modeling task on the accident scene in the subsequent image analysis process. The existing marking methods in the aspect of unmanned aerial vehicle exploration mostly adopt a manual point drawing mode, so that the accuracy is difficult to guarantee, the existing marking methods cannot be used for expressing coordinates in a three-dimensional space in the aspect of exploration, and markers need to be additionally taken for matching, so that the workload of unmanned aerial vehicle exploration tasks is increased, and the accuracy of subsequent image analysis is influenced.
Disclosure of Invention
An object of the utility model is to provide a three-dimensional marker that is used for unmanned aerial vehicle to take photo by plane traffic accident scene picture to measurate has solved the not enough that exists among the prior art.
In order to achieve the above purpose, the utility model discloses a technical scheme is:
the utility model provides a three-dimensional marker for unmanned aerial vehicle aerial photography traffic accident site map measurement, which comprises a circular upright post, four horizontal rods and a base, wherein the four horizontal rods are uniformly distributed on the outer side wall of the base along the circumferential direction; the round column is arranged at the upper end part of the base, and the base is placed on the ground and combined to form a space coordinate system.
Preferably, the horizontal bar and the base are hingedly connected.
Preferably, the round column is connected with the base through threads.
Preferably, the base is further provided with an inclination measuring unit, the inclination measuring unit comprises an inclination angle sensor, a geomagnetic sensor and a display, and the inclination angle sensor and the geomagnetic sensor are both connected with the display; the inclination angle sensor is used for acquiring the inclination of the base and transmitting the acquired data to the display; the geomagnetic sensor is used for acquiring the geographic direction of the base and transmitting the acquired data to the display.
Preferably, the tilt angle sensor is of the type LIS 326H.
Preferably, the model of the geomagnetic sensor is PNI RM 3100.
Preferably, a protective sleeve is arranged between the base and the ground, and the protective sleeve is sleeved on the base.
Preferably, the surface of the horizontal rod is coated with white and red alternately.
Preferably, the cylindrical surface of the cylindrical column is alternately coated with yellow and red.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a pair of a three-dimensional marker that is used for unmanned aerial vehicle to take photo by plane traffic accident scene picture to measure adopts round stand, horizon bar and base to form space coordinate system, for providing great help in the aspect of unmanned aerial vehicle investigation work, has higher maneuverability and convenience.
Furthermore, the inclination degree of the whole device is detected through the inclination degree measuring unit, so that the levelness of the whole device is convenient to adjust, and the whole device is convenient to use as a reference.
Drawings
Fig. 1 is a front view of a three-dimensional marker according to the present invention;
FIG. 2 is an enlarged view at I;
fig. 3 is a top view of a three-dimensional marker according to the present invention;
wherein, 1, round column 2, horizontal rod 3, gradient measuring unit 4, base 5, protective sheath.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides a three-dimensional marker for unmanned aerial vehicle aerial photography traffic accident scene graph measurement, including round stand 1, horizon bar 2, gradient measuring unit 3, base 4 and protective sheath 5, wherein, the horizon bar 2 is provided with four, along the circumferencial direction on the outside of base 4 of equipartition; the round upright column 1 is arranged at the upper end part of the base 4, and the base 4 is placed on the ground; the protective sleeve 5 is arranged between the base 4 and the ground, so that the device is prevented from being worn during the contact with the ground to influence the accuracy of the device.
The horizontal rod 2 is hinged with the base 4 to realize the opening and closing of the horizontal rod 2.
The horizontal rod 2 is connected with the base 4 through a rotary pair structure and is fixed through a tightening bolt so as to realize the folding or the laying down of the horizontal rod 2.
The inclination measuring unit 3 comprises an inclination angle sensor, a geomagnetic sensor and a display, wherein the inclination angle sensor is of the type LIS326H and is used for acquiring the inclination of the base 4 and transmitting the acquired data to the display, so that a measurer can conveniently adjust the position of the device; the type of the geomagnetic sensor is PNI RM3100, is used for gathering the geographical direction of the base 4, and transmit the data gathered to the display; the display is used for displaying the received data and storing the received data.
The round upright post 1 is connected with the base 4 through threads, so that the structural stability of the round upright post is ensured, and the round upright post has the advantages of easy disassembly and replacement;
the base of the device is added with a counterweight object for ensuring the stability of the device.
Protective sheath 5 suit realizes the connection dismantled of protective sheath 5 on base 4.
The surface of the horizontal bar 2 is coated with white and red alternately to ensure easy identification of the device.
The cylindrical surface of the circular upright post 1 is coated with yellow and red alternately to ensure the easy identification of the device.
The horizontal rod 2 is a solid rod piece, and the cross section of the horizontal rod is of a ladder-shaped structure with a large upper part and a small lower part; meanwhile, the free end of the horizontal rod 2 is in a tip structure.
The round upright posts 1 and the horizontal rods 2 respectively express Z, X, Y axes of a coordinate system in space, so that the whole device is in a space coordinate system state.
In the process of acquiring the accident scene graph, the novel model is firstly placed in a spacious and horizontal position, and the novel model is ensured to be within the shooting range of the unmanned aerial vehicle; the unmanned aerial vehicle can be based on the utility model, combine the geomagnetic sensor to detect data, establish a space three-dimensional coordinate system, and calculate the actual distance of each point of the accident scene according to the proportional relation, thereby reducing the three-dimensional accident scene; the utility model discloses can reduce the measurement error that traditional artifical mark mode and unmanned aerial vehicle shoot height and angle and arouse.
Claims (9)
1. The three-dimensional marker for measuring the scene of the unmanned aerial vehicle aerial traffic accident comprises circular upright columns (1), four horizontal rods (2) and a base (4), wherein the four horizontal rods (2) are uniformly distributed on the outer side wall of the base (4) along the circumferential direction; the round upright post (1) is arranged at the upper end part of the base (4), and the base (4) is placed on the ground and combined to form a space coordinate system.
2. The three-dimensional marker for unmanned aerial vehicle traffic accident scene measurement according to claim 1, wherein the horizontal rod (2) and the base (4) are hinged.
3. The three-dimensional marker for unmanned aerial vehicle traffic accident scene measurement according to claim 1, wherein the circular column (1) is connected with the base (4) through threads.
4. The three-dimensional marker for unmanned aerial vehicle traffic accident scene graph measurement according to claim 1, wherein an inclination measuring unit (3) is further arranged on the base (4), the inclination measuring unit (3) comprises an inclination angle sensor, a geomagnetic sensor and a display, wherein the inclination angle sensor and the geomagnetic sensor are both connected with the display; the inclination angle sensor is used for acquiring the inclination of the base (4) and transmitting the acquired data to the display; the geomagnetic sensor is used for acquiring the geographical direction of the base (4) and transmitting the acquired data to the display.
5. The three-dimensional marker for unmanned aerial vehicle traffic accident scene measurement of claim 4, wherein the tilt angle sensor is of type LIS 326H.
6. The three-dimensional marker for unmanned aerial vehicle traffic accident scene measurement according to claim 4, wherein the geomagnetic sensor is of a type PNI RM 3100.
7. The three-dimensional marker for unmanned aerial vehicle aerial photography traffic accident site map measurement according to claim 1, wherein a protective sleeve (5) is arranged between the base (4) and the ground, and the protective sleeve (5) is sleeved on the base (4).
8. The three-dimensional marker for unmanned aerial vehicle traffic accident scene measurement according to claim 1, characterized in that the surface of the horizontal rod (2) is coated with white and red alternately.
9. The three-dimensional marker for unmanned aerial vehicle traffic accident scene measurement according to claim 1, characterized in that the cylindrical surfaces of the round columns (1) are alternately coated with yellow and red colors.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920501460.0U CN209873609U (en) | 2019-04-15 | 2019-04-15 | Three-dimensional marker for measuring aerial traffic accident scene graph of unmanned aerial vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920501460.0U CN209873609U (en) | 2019-04-15 | 2019-04-15 | Three-dimensional marker for measuring aerial traffic accident scene graph of unmanned aerial vehicle |
Publications (1)
Publication Number | Publication Date |
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CN209873609U true CN209873609U (en) | 2019-12-31 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920501460.0U Expired - Fee Related CN209873609U (en) | 2019-04-15 | 2019-04-15 | Three-dimensional marker for measuring aerial traffic accident scene graph of unmanned aerial vehicle |
Country Status (1)
Country | Link |
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CN (1) | CN209873609U (en) |
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2019
- 2019-04-15 CN CN201920501460.0U patent/CN209873609U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20210415 |