CN108627138A - A kind of distance-measuring device bar based on computer vision - Google Patents

Abstract

The invention relates to the technical field of distance measurement, and discloses a distance measurement device rod based on computer vision, including: a hollow vertical rod, multiple cameras, a ball head shell, multiple transparent protective covers, a support rod, a distance measuring sensor, and a protective shield Board, angle sensor, wireless communication module, power supply module and first drive motor; the ball head shell is fixed above the top of the vertical bar through the support rod, and multiple cameras are embedded in the ball head shell through the universal ball seat. Multiple cameras, ranging sensors, angle sensors, first drive motors and wireless communication modules are respectively connected to the power module, and multiple cameras, range measuring sensors, angle sensors and drive motors communicate wirelessly with the computer control host through the wireless communication modules respectively, The distance measuring device rod based on computer vision can monitor in all directions without dead angle, and can perform computer vision distance measurement at a long distance, and is convenient to use.

Description

A distance measuring device rod based on computer vision

technical field

The invention relates to the technical field of distance measurement, in particular to a distance measurement device rod based on computer vision.

Background technique

With the development of science and technology, and for the sake of social stability, there are more and more electronic police. However, the existing electronic police are realized by installing electronic cameras on fixed poles. Therefore, electronic cameras can only monitor the situation in a single direction. , can not perform multi-directional measurement, and can only monitor the situation around the fixed rod, and cannot measure the distance of the target. Therefore, there is an urgent need for a distance measurement device rod based on computer vision, which can perform multi-directional monitoring and can be monitored according to the monitoring target. distance measurement.

Contents of the invention

The present invention provides a distance measuring device rod based on computer vision, which can solve the above-mentioned problems in the prior art.

The invention provides a distance measuring device rod based on computer vision, comprising: a hollow vertical rod, multiple cameras, a ball head shell, multiple transparent protective covers, a support rod, a distance measuring sensor, a protective baffle, an angle sensor, a wireless a communication module, a power module and a first driving motor;

The ball head shell is fixed above the top of the vertical pole through the support rod, and multiple cameras are embedded in the ball head shell through the universal ball head and the universal ball seat in one-to-one correspondence, and multiple transparent protective covers are detachable in one-to-one correspondence It is arranged on the outside of multiple cameras, the distance measuring sensor is arranged on the upper part of the vertical rod, the protective baffle can be opened and closed outside the distance measuring sensor, the angle sensor is arranged on the lower part of the vertical rod, and the angle sensor is located on the inside of the distance measuring sensor. Below, the angle sensor is fixedly connected to the distance measuring sensor, and the distance measuring sensor is fixedly connected to the upper inner surface of the vertical rod through the first connecting rod. The upper port of the upper port is protrudingly provided with a slide rail matched with the first chute, the first driving motor is fixed on the lower part of the vertical bar through a bracket, and the output shaft of the driving motor is fixedly connected to the angle sensor through a coupling;

Multiple cameras, ranging sensors, angle sensors, first drive motors and wireless communication modules are respectively connected to the power module, and multiple cameras, ranging sensors, angle sensors and driving motors communicate wirelessly with the computer control host through the wireless communication modules.

The bottom of the vertical rod is a telescopic rod.

A plurality of second drive motors are also provided in the ball head housing, and the output shafts of the plurality of second drive motors are fixedly connected with the universal ball head seat one by one through the connecting rods vertical to the output shaft, and the plurality of second drive motors The power supply modules are respectively connected, and the plurality of second drive motors are respectively connected with the computer control host through the wireless communication module.

The inner side of the upper part of the vertical rod is fixed with an electric telescopic rod, the free end of the electric telescopic rod is fixedly connected with the protective baffle, the protective baffle is provided with a slider, and the upper inner side of the vertical rod is provided with a matching connection with the slider. The second chute, the electric telescopic rod is connected with the power module, the electric telescopic rod is connected with the power module, and the electric telescopic rod is connected with the computer control host through the wireless communication module.

Preferably, the plurality of transparent protective covers are provided with external threads, the spherical head shell is provided with internal threads matching the transparent protective covers, and a sealing ring is provided between the transparent protective covers and the spherical head shell.

Preferably, the bottom of the vertical bar is provided with a base, the base is provided with a plurality of threaded holes, and the threaded holes are provided with positioning bolts.

Preferably, there are four cameras, which are evenly distributed on the spherical head shell along the circumference of the diameter direction.

Compared with prior art, the beneficial effect of the present invention is:

The present invention monitors the situation around the vertical pole in all directions without dead angle through a plurality of cameras. When measuring the distance of the target observed by the cameras, the ranging sensor emits a visible red light beam, and the management personnel control the host computer to control the rotation of the first driving motor to drive The angle sensor rotates, the angle sensor drives the distance measuring sensor to rotate, and the distance measuring sensor drives the upper part of the vertical rod to rotate. The manager observes whether the red light beam reaches the observation target through the display screen. After reaching the observation target, the distance measurement of the target is carried out through the distance measurement sensor. , can carry out computer vision distance measurement at a long distance, and is easy to use.

Description of drawings

FIG. 1 is a schematic diagram of the overall structure of a distance measuring device rod based on computer vision provided by the present invention.

Fig. 2 is a structural schematic diagram of the connection section of the lower part of the vertical rod in a distance measuring device based on computer vision provided by the present invention.

Fig. 3 is a schematic diagram of the internal structure of the spherical head shell in the rod of a distance measuring device based on computer vision provided by the present invention.

FIG. 4 is a schematic structural diagram of a protective baffle for a distance measuring sensor in a rod of a distance measuring device based on computer vision provided by the present invention.

Fig. 5 is a functional block diagram of a distance measuring device pole based on computer vision provided by the present invention.

Explanation of reference signs:

1-vertical rod, 2-camera, 3-ball head shell, 4-transparent protective cover, 5-support rod, 6-ranging sensor, 7-protective baffle, 8-angle sensor, 9-first drive motor, 10-base, 11-slide rail, 12-the second drive motor, 13-universal ball seat, 14-electric telescopic rod, 15-the second chute.

Detailed ways

A specific embodiment of the present invention will be described in detail below with reference to accompanying drawings 1-5, but it should be understood that the protection scope of the present invention is not limited by the specific embodiment.

A distance measuring device rod based on computer vision provided by an embodiment of the present invention includes: a hollow vertical rod 1, a plurality of cameras 2, a ball head shell 3, a plurality of transparent protective covers 4, a support rod 5, a distance measuring sensor 6, A protective baffle 7, an angle sensor 8, a wireless communication module, a power module and a first drive motor 9;

The ball head shell 3 is fixed above the top of the vertical rod 1 through the support rod 5, and multiple cameras 2 are embedded in the ball head shell 3 through the universal ball head and the universal ball head seat 13 in one-to-one correspondence. The cover 4 is detachably arranged on the outside of a plurality of cameras 2 in one-to-one correspondence, the distance measuring sensor 6 is arranged on the upper part of the vertical rod 1, the protective baffle 7 can be opened and closed outside the distance measuring sensor 6, and the angle sensor 8 is arranged on the outside of the distance measuring sensor 6. In the lower part of the vertical bar 1, the angle sensor 8 is located below the ranging sensor 6, the angle sensor 8 is fixedly connected with the ranging sensor 6, and the ranging sensor 6 is fixedly connected with the upper inner surface of the vertical bar 1 through the first connecting rod, and the vertical The lower port on the upper part of the rod 1 is provided with a first chute inwardly on the circumference, and the upper port on the lower part of the vertical rod 1 is provided with a sliding rail 11 matching and connected with the first chute, and the first driving motor 9 is fixed by a bracket. In the lower part of the vertical bar 1, the output shaft of the drive motor 9 is fixedly connected with the angle sensor 8 through a shaft coupling;

A plurality of cameras 2, a distance measuring sensor 6, an angle sensor 8, a first driving motor 9 and a wireless communication module are respectively connected to the power supply module, and a plurality of cameras 2, a distance measuring sensor 6, an angle sensor 8 and the driving motor 9 are connected through wireless communication respectively. The module communicates wirelessly with the computer control host.

The upper part of the vertical rod 1 rotates on the lower part through the slide rail 11 and the first chute. At the same time, the slide rail 11 is set on the section connected to the lower part to prevent rainwater from entering, which affects the system stability and service life of the device rod.

The angle sensor 8 is used to measure the rotation angle of the distance measuring sensor 6, and the manager can know the rotation angle of the distance measuring sensor 6 through the angle sensor 8, which is convenient for the distance measuring sensor 6 to adjust the angle according to the environmental conditions.

The wireless communication module in the present invention is a WIFI module, and the computer control host is a single-chip microcomputer or a programmable logic controller with a programming function.

Preferably, the lower part of the vertical rod 1 is a telescopic rod, and the telescopic rod enables the height of the camera 2 to be raised or lowered according to the surrounding environment, thereby changing the measurement range of the computer vision.

As shown in Figure 3, a plurality of second driving motors 12 are also arranged in the ball head housing 3, and the output shafts of the plurality of second driving motors 12 are in one-to-one correspondence with the universal ball head through the connecting rod of the vertical output shaft. 13 is fixedly connected, multiple second drive motors 12 are respectively connected to the power module, and multiple second drive motors 12 are respectively connected to the computer control host through the wireless communication module.

Managers control the rotation of multiple second drive motors 12 through the computer control host and wireless communication module, and the second drive motors 12 drive the connecting rod of the vertical output shaft to move along the output shaft in an arc, thereby driving the universal ball head 13 to move up and down , the universal ball seat 13 drives the camera 2 to move in an arc, so that the monitoring range of the camera 2 can be remotely controlled, and the monitoring range of the computer vision is improved.

Preferably, the inner side of the upper part of the vertical rod 1 is fixedly provided with an electric telescopic rod 14, the free end of the electric telescopic rod 14 is fixedly connected with the protective baffle 7, the protective baffle 7 is provided with a slider, and the upper part of the vertical rod 1 The inner side corresponding place is provided with the second chute 15 that matches and connects with the slide block, the electric telescopic rod 14 is connected with the power module, the electric telescopic rod 14 is connected with the power module, and the electric telescopic rod 14 is connected with the computer control host through the wireless communication module.

Through the slide block on the protective baffle 7 and the second chute 15 up and down on the upper inner side opening of the vertical rod 1, the protective baffle 7 slides back and forth along the second chute 15 under the action of the electric telescopic rod 14, thereby measuring The distance sensor 6 is protected to prevent the distance sensor 6 from being damaged by the influence of wind and rain in the external environment, thereby improving the service life.

Preferably, the plurality of transparent protective covers 4 are provided with external threads, the spherical head shell 3 is provided with internal threads matching the transparent protective cover 4, and a sealing ring is provided between the transparent protective cover 4 and the spherical head shell 3 .

The transparent protective cover 4 is screwed through the external thread and the internal thread on the ball head shell 3 to realize detachability for maintenance. The lower part of the vertical rod 1 is a telescopic rod, which also facilitates the maintenance of the device rod. The sealing ring prevents rainwater or sand from entering the ball Inside the head shell 3, the stability of the rod system of the device is improved.

Preferably, the bottom of the vertical bar 1 is provided with a base 10, and a plurality of threaded holes are provided on the base 10, and positioning bolts are provided on the threaded holes.

The vertical rod 1 is positioned by a plurality of positioning bolts on the base 10, which is convenient to use.

Preferably, there are four cameras 2, which are evenly distributed on the spherical head shell 3 along the radial direction and circumferential direction, and the four cameras 2 monitor the surroundings of the vertical rod 1 in all directions, without dead angle, and the monitoring effect is good.

Working process and principle: Monitor the situation around the vertical pole 1 in all directions without dead angle through multiple cameras 2. Multiple cameras 2 communicate with the computer control host remotely through the wireless communication module, so that the management personnel can sit in the monitoring room and check it through the computer screen. When measuring the distance of the target observed by the camera 2, the computer controls the host computer to drive the electric telescopic rod 14 to shrink, the protective baffle 7 opens, and the distance measuring sensor 6 emits a visible red light beam. At the same time, the manager controls the first drive motor through the computer control host 9 rotates, the first drive motor 9 drives the angle sensor 8 to rotate, the angle sensor 8 drives the distance measuring sensor 6 to rotate, and the distance measuring sensor 6 drives the upper part of the vertical bar 1 to rotate, and the manager observes whether the red light beam reaches the observation target through the display screen, After arriving at the observation target, the management personnel control the first drive motor 9 to stop through the computer control host, and carry out the distance measurement of the target by the distance measurement sensor 6 emitting light beams. The distance measurement sensor 6 in the present invention is a laser distance measurement sensor, and the distance measurement sensor 6 The distance signal is sent to the computer control host through the wireless communication module, and the management personnel display it through the display, which is convenient to use, and can monitor and measure the distance at a long distance, and is easy to use.

The above disclosures are only a few specific embodiments of the present invention, however, the embodiments of the present invention are not limited thereto, and any changes conceivable by those skilled in the art shall fall within the protection scope of the present invention.

Claims (7)

1. a kind of distance-measuring device bar based on computer vision, which is characterized in that including：Hollow montant (1), multiple camera shootings Head (2), bulb shell (3), multiple transparent shields (4), supporting rod (5), distance measuring sensor (6), protective baffle plate (7), angle pass Sensor (8), wireless communication module, power module and the first driving motor (9)；

Bulb shell (3) is fixed on the over top of montant (1) by supporting rod (5), and multiple cameras (2), which correspond, passes through ten thousand It is embedded on bulb shell (3) to bulb and multi-directional ball headstock (13) activity, multiple transparent shields (4) correspond and detachably set The outside in multiple cameras (2) is set, distance measuring sensor (6) is located at the top in montant (1), and protective baffle plate (7) is retractable to be set The outside in distance measuring sensor (6), the lower part that angular transducer (8) is arranged in montant (1) are set, angular transducer (8) is located at The lower section of distance measuring sensor (6), angular transducer (8) are fixedly connected with distance measuring sensor (6), and distance measuring sensor (6) passes through One connecting rod is fixedly connected with the upper inner face of montant (1), and the lower port on montant (1) top was concaved with the first cunning last week Slot, it is outer in the upper port of montant (1) lower part to be convexly equipped with the sliding rail (11) for match and connecting with the first sliding groove, the first driving motor (9) It is fixed by the bracket the lower part in montant (1), the output shaft of driving motor (9) is solid by shaft coupling and angular transducer (8) Fixed connection；

Multiple cameras (2), distance measuring sensor (6), angular transducer (8), the first driving motor (9) and wireless communication module point It is not connect with power module, multiple cameras (2), distance measuring sensor (6), angular transducer (8) and driving motor (9) lead to respectively It crosses wireless communication module and controls hosi wireless communication with computer.

2. distance-measuring device bar based on computer vision as described in claim 1, which is characterized in that the montant (1) Lower part be telescopic rod.

3. distance-measuring device bar based on computer vision as described in claim 1, which is characterized in that the bulb shell (3) multiple second driving motors (12) are additionally provided in, the output shaft of multiple second driving motors (12) passes through vertical output axis Connecting rod one-to-one correspondence is fixedly connected with multi-directional ball headstock (13), and multiple second driving motors (12) are separately connected power module, more Module is connect a second driving motor (12) with computer control host by radio communication respectively.

4. distance-measuring device bar based on computer vision as described in claim 1, which is characterized in that the montant (1) Upper inner be fixed with electric telescopic rod (14), the free end of electric telescopic rod (14) is fixedly connected with protective baffle plate (7), Protective baffle plate (7) is equipped with sliding block, and the upper inner corresponding position of montant (1) is equipped with the second sliding slot that connection is matched with sliding block (15), electric telescopic rod (14) is connect with power module, and electric telescopic rod (14) connects power module, and electric telescopic rod (14) is logical Wireless communication module is crossed to connect with computer control host.

5. distance-measuring device bar based on computer vision as described in claim 1, which is characterized in that the multiple transparent Protective cover (4) is equipped with external screw thread, and bulb shell (3) is equipped with and transparent shield (4) matched internal thread, transparent shield (4) sealing ring is equipped between bulb shell (3).

6. distance-measuring device bar based on computer vision as described in claim 1, which is characterized in that the montant (1) Bottom be equipped with pedestal (10), pedestal (10) be equipped with multiple threaded holes, threaded hole be equipped with positioning bolt.

7. distance-measuring device bar based on computer vision as described in claim 1, which is characterized in that the camera (2) it is four, it is diametrically circumferential to be evenly distributed on bulb shell (3).