CN111983387A - Cable channel positioning device and positioning method - Google Patents
Cable channel positioning device and positioning method Download PDFInfo
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- CN111983387A CN111983387A CN202010848903.0A CN202010848903A CN111983387A CN 111983387 A CN111983387 A CN 111983387A CN 202010848903 A CN202010848903 A CN 202010848903A CN 111983387 A CN111983387 A CN 111983387A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
Abstract
The embodiment of the invention discloses a cable channel positioning device and a positioning method, wherein the device comprises a first positioning unit, a second positioning unit and a third positioning unit, wherein the first positioning unit is used for positioning a central point of a cable channel and primarily positioning the position of the cable channel according to a GPS (global positioning system) coordinate of the central point; and the second positioning unit comprises a plurality of positioning pieces and a metal detector, the positioning pieces are fixed on a plurality of vertexes of the cable channel in a one-to-one correspondence manner, the metal detector is in communication connection with the terminal, and the metal detector is used for detecting the positioning pieces and forming detection signals at the cable channel position after initial positioning and sending the detection signals to the terminal so as to indicate the terminal to position the cable channel according to the detection signals. The technical scheme provided by the embodiment of the invention realizes the quick and accurate positioning of the cable channel, thereby improving the repair efficiency of the cable line and ensuring the normal power utilization of users.
Description
Technical Field
The embodiment of the invention relates to the technical field of cable channel positioning, in particular to a cable channel positioning device and a cable channel positioning method.
Background
At present, transmission cable passageway is mostly built on road and people's footpath, for preventing that the vehicle from rolling for a long time and causing cable passageway's cement apron fracture, threatens cable run safety and stability to and influence pedestrian's safety of passing, generally take to cover the cement apron of cable passageway when town road construction and handle.
However, when the cable line is in fault, the cable channel is difficult to accurately position, the repair efficiency of the cable line is reduced, and the normal power utilization of a user is influenced.
Disclosure of Invention
The embodiment of the invention provides a cable channel positioning device and a positioning method, which are used for realizing the rapid and accurate positioning of a cable channel, improving the repair efficiency of a cable line and ensuring the normal power utilization of a user.
In a first aspect, an embodiment of the present invention provides a cable channel positioning device, including:
the first positioning unit is used for positioning the central point of the cable channel and preliminarily positioning the position of the cable channel according to the GPS coordinate of the central point;
the second positioning unit comprises a plurality of positioning pieces and a metal detector, the positioning pieces are fixed on a plurality of vertexes of the cable channel in a one-to-one mode, the metal detector is in communication connection with the terminal, the metal detector is used for detecting the cable channel position after initial positioning, the positioning pieces form detection signals, and the detection signals are sent to the terminal to indicate the terminal to position the cable channel according to the detection signals.
Optionally, the first positioning unit includes an RTK drone.
Optionally, the second positioning unit further includes: the position of each auxiliary piece corresponds to the position of the midpoint of a connecting line between two adjacent positioning pieces one by one; the auxiliary part is used for assisting in positioning.
Optionally, the positioning element and the auxiliary element are made of different metal materials, and the metal detector is used for detecting the metal types of the positioning element and the auxiliary element to perform positioning.
Optionally, the positioning element and the auxiliary element are made of the same metal material, and the metal detector is used for detecting the placement angle of the positioning element and the auxiliary element for positioning.
Optionally, the positioning pieces and the auxiliary pieces are cubes, and the number of the positioning pieces and the number of the auxiliary pieces are four; at least one side of each positioning piece is parallel to the side of the cable channel, and the extension line of at least one side of each auxiliary piece forms a first included angle with the side of the cable channel.
Optionally, the first included angle is 45 °.
In a second aspect, an embodiment of the present invention provides a cable channel positioning method, which is performed by the cable channel positioning apparatus according to any one of the first aspects, and includes:
positioning a central point of a cable channel through a first positioning unit, and performing primary positioning on the position of the cable channel according to a GPS (global positioning system) coordinate of the central point;
forming a detection signal at the cable channel position after the initial positioning through a second positioning unit; the second positioning unit comprises a plurality of positioning pieces and metal detectors, the positioning pieces are fixed on a plurality of vertexes of the cable channel in a one-to-one correspondence mode, and the metal detectors are in communication connection with the terminal; the metal detector is used for detecting the positioning pieces at the cable channel position after the initial positioning, forming detection signals and sending the detection signals to the terminal;
and positioning the cable channel according to the detection signal through the terminal.
Optionally, the positioning, by the terminal, the cable channel according to the detection signal includes:
carrying out noise reduction processing on the detection signal;
and positioning the cable channel according to the detection signal subjected to noise reduction processing.
Optionally, the second positioning unit further includes: the auxiliary pieces are in one-to-one correspondence with the positions of the midpoints of connecting lines between two adjacent positioning pieces; further comprising:
the auxiliary positioning is carried out through a plurality of auxiliary pieces.
The embodiment of the invention provides a cable channel positioning device and a positioning method, wherein the device comprises a first positioning unit, a second positioning unit and a third positioning unit, wherein the first positioning unit is used for positioning a central point of a cable channel and primarily positioning the position of the cable channel according to a GPS (global positioning system) coordinate of the central point; and the second positioning unit comprises a plurality of positioning pieces and a metal detector, the positioning pieces are fixed on a plurality of vertexes of the cable channel in a one-to-one correspondence manner, the metal detector is in communication connection with the terminal, and the metal detector is used for detecting the positioning pieces and forming detection signals at the cable channel position after initial positioning and sending the detection signals to the terminal so as to indicate the terminal to position the cable channel according to the detection signals. According to the technical scheme provided by the embodiment of the invention, the position of the cable channel is preliminarily positioned through the first positioning unit, the cable channel is accurately positioned through the second positioning unit, the second positioning unit comprises a plurality of positioning parts and metal detectors, the positioning parts are fixed on a plurality of vertexes of the cable channel in a one-to-one correspondence manner, the metal detectors are in communication connection with the terminal, and the detection signals of the metal detectors are received through the terminal, so that the cable channel is quickly and accurately positioned, the repair efficiency of a cable line is improved, and the normal power utilization of a user is ensured.
Drawings
Fig. 1 is a block diagram of a cable channel positioning device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a connection between a metal detector and a terminal according to an embodiment of the present invention;
FIG. 3 is a top view of a distribution of first positioning units and second positioning units according to an embodiment of the present invention;
FIG. 4 is a top view of another distribution of the first positioning unit and the second positioning unit according to the first embodiment of the present invention;
fig. 5 is a flowchart of a cable channel positioning method according to a second embodiment of the present invention;
fig. 6 is a flowchart of a positioning element, an auxiliary element and an RTK unmanned aerial vehicle arrangement method provided by the third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
The embodiment of the invention provides a cable channel positioning device, fig. 1 is a structural block diagram of the cable channel positioning device provided by the embodiment of the invention, and fig. 2 is a schematic connection diagram of a metal detector and a terminal provided by the embodiment of the invention; referring to fig. 1-2, the positioning device includes:
the first positioning unit 10 is used for positioning the central point of the cable channel and primarily positioning the position of the cable channel according to the GPS coordinate of the central point;
the second positioning unit 20 includes a plurality of positioning elements and a metal detector 29, the positioning elements are fixed on a plurality of vertexes of the cable channel in a one-to-one correspondence manner, the metal detector 29 is in communication connection with the terminal 100, and the metal detector 29 is configured to detect the positioning elements and form a detection signal at the cable channel position after the initial positioning, and send the detection signal to the terminal 100, so as to instruct the terminal 100 to position the cable channel according to the detection signal.
Specifically, fig. 3 is a top view of a first positioning unit 10 and a second positioning unit 20 provided in an embodiment of the present invention, and referring to fig. 1 to 3, a cable channel positioning device includes the first positioning unit 10 and the second positioning unit 20. When positioning detection is performed, the central point of the cable channel is positioned through the first positioning unit 10, and preliminary positioning of the cable channel position is achieved according to the GPS coordinate of the central point. The cable channel has a shape, which may be rectangular when viewed from above. Namely, the first positioning unit 10 realizes the preliminary positioning of the cable channel position according to the GPS coordinates of the central point of the cable channel, and cannot determine the specific shape of the cable channel. After the cable channel is initially positioned, the cable channel is accurately positioned by the second positioning unit 20, wherein the second positioning unit 20 includes a plurality of positioning elements (4 positioning elements 21-24 are illustrated in fig. 3) and a metal detector 29, and the positioning elements are fixed on a plurality of vertexes of the cable channel in a one-to-one correspondence manner. The metal detector 29 is communicatively connected to the terminal 100. The specific positions of the positioning pieces are detected at the cable channel position after the initial positioning by the metal detector 29, so that the specific positions of all the vertexes of the cable channel can be positioned. The metal detector 29 sends the detected detection signals of the positioning elements to the terminal 100, and the terminal 100 performs noise reduction processing according to the received detection signals and simultaneously realizes accurate positioning of the cable channel according to the metal type and/or the placement angle of the detected object.
The cable channel positioning device provided by the embodiment of the invention initially positions the cable channel through the first positioning unit and accurately positions the cable channel through the second positioning unit, wherein the second positioning unit comprises a plurality of positioning parts and metal detectors, the positioning parts are fixed on a plurality of vertexes of the cable channel in a one-to-one correspondence manner, the metal detectors are in communication connection with the terminal, and the detection signals of the metal detectors are received through the terminal, so that the cable channel is quickly and accurately positioned, the repair efficiency of a cable line is improved, and the normal power utilization of a user is ensured.
Alternatively, referring to fig. 3, the first positioning unit 10 includes an RTK (Real-time kinematic) drone 11.
Specifically, the GPS signals are transmitted from the space to the ground, and pass through the ionosphere, so that the common GPS positioning has an error of several meters. The deviation of the GPS can be known by mounting the GPS on a reference point with a known position. The deviation power utilization station is sent to the GPS equipment needing positioning, and the user can obtain a more accurate position. The error analysis mode comprises a carrier phase differential method of a GPS, namely an RTK technology, and can reduce the error to a centimeter level. RTK unmanned aerial vehicle 11 adopts is the design of cross four-axis, has the fuselage of similar rocket appearance, can suspend flight like traditional unmanned aerial vehicle, also can accomplish like the horizontal flight of glider formula. When the cable channel is constructed, the positioning piece is arranged at each vertex position of the cable channel, and meanwhile, the RTK unmanned aerial vehicle 11 is required to be adopted to perform positioning at the central point of the cable channel, and GPS coordinates of the central point are obtained and recorded. After the cable channel is to be established, when the cable channel needs to be positioned, the RTK unmanned aerial vehicle 11 can perform initial positioning on the cable channel automatically according to the recorded GPS coordinate of the central point.
Optionally, fig. 4 is a top view of another distribution of the first positioning unit and the second positioning unit provided in the first embodiment of the present invention, and referring to fig. 4, the second positioning unit 20 further includes: the position of each auxiliary piece corresponds to the midpoint position of a connecting line between two adjacent positioning pieces one by one; the auxiliary member is used for assisting the positioning.
In particular, the second positioning unit 20 also comprises a plurality of auxiliary members (4 auxiliary members 25-28 are illustrated in fig. 4). An auxiliary part is arranged at the midpoint of the connecting line between two adjacent positioning parts, and the positioning is assisted by the auxiliary part. On one hand, an auxiliary part is arranged at the midpoint position of the connecting line between two adjacent positioning parts, and the detection signal received by the metal detector 29 can also position the midpoint positions of the two adjacent positioning parts, so that the accurate positioning of the position of the cable channel and the determination of the shape of the cable channel are further realized. On the other hand, by arranging the auxiliary member between two adjacent positioning members, the situation that the shape and the position of the cable channel cannot be determined when the metal detector 29 cannot accurately position a certain positioning member or cannot position the positioning member is prevented. Thereby further guaranteed the accurate location to cable channel, provide dual guarantee for obtaining cable channel's accurate position.
Optionally, the positioning element and the auxiliary element are made of different metal materials, and the metal detector 29 is used for detecting the metal types of the positioning element and the auxiliary element to perform positioning.
Specifically, the metal detector 29 may detect different metal species within a range of 1 meter below the ground, and transmit the detection result to the computer; and the computer is electrically connected with the metal detector 29 and is used for receiving the detection result of the metal detector 29 and further reducing the noise of the detection result to obtain the accurate position of the cable channel. The metal material of the positioning member is different from that of the auxiliary member, and the metal detector 29 distinguishes the positioning member from the auxiliary member according to the metal type of the detection positioning member and the auxiliary member. The smaller the distance between the positioning element and the auxiliary element from the ground, the stronger the detection signal detected by the metal detector 29, but the smaller the distance between the positioning element and the auxiliary element from the ground, the more easily the positioning element and the auxiliary element are exposed to the ground, which causes damage to the positioning element and the auxiliary element and offset or even loss of the positioning element and the auxiliary element. According to the embodiment of the invention, the positioning piece and the auxiliary piece are arranged in the distance range of 0.1-0.7 m from the ground, so that the possibility that the positioning piece and the auxiliary piece are exposed to the ground surface is reduced while the strength of a detection signal detected by the metal detector 29 is ensured, and the cable channel is further positioned.
Alternatively, referring to fig. 4, the positioning element and the auxiliary element are made of the same metal material, and the metal detector 29 is used for detecting the placing angle of the positioning element and the auxiliary element for positioning.
Specifically, the metal material of setting element and auxiliary member can be the same, can set up the angle of putting of setting element and auxiliary member different this moment, and metal detector 29 surveys and can realize the difference to setting element and auxiliary member through surveying the angle of putting of setting element and auxiliary member to realize accurate location to cable channel.
Optionally, referring to fig. 4, the positioning members and the auxiliary members are cubes, and the number of the positioning members and the number of the auxiliary members are four; at least one side of each positioning part is parallel to the side of the cable channel, and the extension line of at least one side of each auxiliary part forms a first included angle with the side of the cable channel.
In particular, the cable channel is generally rectangular in shape, the rectangle having four corners, and therefore the number of the positioning members is four. The auxiliary piece is arranged at the middle point position between two adjacent positioning pieces, in the rectangular cable channel, the middle point position of the auxiliary piece between the two adjacent positioning pieces is the middle point position of each side of the rectangular cable channel, and the rectangle has four sides, so that the number of the positioning pieces is four. The positioning piece and the auxiliary piece can be cubes. The positioning members include a first positioning member 21, a second positioning member 22, a third positioning member 23, and a fourth positioning member 24. The first positioning member 21, the second positioning member 22, the third positioning member 23 and the fourth positioning member 24 are made of stainless steel and have a cubic structure with a side length of 5 cm. The auxiliary members include a first auxiliary member 25, a second auxiliary member 26, a third auxiliary member 27, and a fourth auxiliary member 28. The first auxiliary member 25, the second auxiliary member 26, the third auxiliary member 27, and the fourth auxiliary member 28 are also square structures having a side of 5 cm made of stainless steel material. The positioning element and the auxiliary element are made of the same metal material, and the metal detector 29 performs positioning according to the placing angle of the positioning element and the auxiliary element. At least one side of each positioning part is parallel to the side of the cable channel, and the extension line of at least one side of each auxiliary part forms a first included angle with the side of the cable channel. The four auxiliary part placing angles and the four positioning part placing angles are distinguished, so that confusion can be avoided during positioning and searching. Optionally, the first included angle is 45 °, so that the four auxiliary members and the four positioning members are distinguished, and confusion is avoided during positioning and searching.
It should be noted that the positioning element and the auxiliary element may also be cuboid, sphere or pyramid. The positioning piece and the auxiliary piece can be in the same three-dimensional figure or different three-dimensional figures. The metal detector 29 may also distinguish the positioning member from the auxiliary member by detecting different shapes of the positioning member and the auxiliary member.
In addition, different numbers of the auxiliary members may be provided according to the length of the cable passage or the width thereof, and for example, two auxiliary members may be provided evenly on the long side of the cable passage. Thereby further realizing the accurate positioning of the cable channel.
Example two
An embodiment of the present invention provides a cable channel positioning method, which is executed by the cable channel positioning device according to any one of the above embodiments, fig. 5 is a flowchart of a cable channel positioning method according to a second embodiment of the present invention, and referring to fig. 5, the positioning method includes:
s110, positioning the central point of the cable channel through the first positioning unit, and performing primary positioning on the position of the cable channel according to the GPS coordinate of the central point.
Specifically, during positioning detection, the central point of the cable channel is positioned through the first positioning unit, and preliminary positioning of the cable channel position is achieved according to the GPS coordinate of the central point. The cable channel has a shape, which may be rectangular when viewed from above. Namely, the first positioning unit realizes the primary positioning of the cable channel position according to the GPS coordinate of the central point of the cable channel, and the specific shape of the cable channel cannot be positioned. Optionally, the first positioning unit may be an RTK drone. RTK unmanned aerial vehicle adopts is the design of cross four-axis, has the fuselage of similar rocket appearance, can suspend flight like traditional unmanned aerial vehicle, also can accomplish like the horizontal flight of glider formula. When the cable channel is constructed, the positioning piece is arranged at each vertex position of the cable channel, and meanwhile, the RTK unmanned aerial vehicle is required to be adopted to position at the central point of the cable channel, and the GPS coordinate of the central point is obtained and recorded. After the cable channel is to be established, when the cable channel needs to be positioned, the RTK unmanned aerial vehicle can automatically perform initial positioning on the cable channel according to the recorded GPS coordinate of the central point. The RTK unmanned aerial vehicle can reduce the positioning error to centimeter level.
S120, forming a detection signal at the cable channel position after the initial positioning through a second positioning unit; the second positioning unit comprises a plurality of positioning pieces and metal detectors, the positioning pieces are fixed on a plurality of vertexes of the cable channel in a one-to-one correspondence mode, and the metal detectors are in communication connection with the terminal; the metal detector is used for detecting the positioning pieces at the cable channel position after the initial positioning, forming detection signals and sending the detection signals to the terminal.
Specifically, after preliminary location is carried out cable channel position, carry out accurate location through second positioning unit to cable channel, wherein second positioning unit includes a plurality of setting elements and metal detector, and a plurality of setting elements one-to-one are fixed in a plurality of summits of cable channel, metal detector and terminal communication connection. The specific positions of the positioning pieces are detected through the cable channel positions of the metal detector after the initial positioning, so that the specific positions of all vertexes of the cable channel can be positioned. And the metal detector sends the detected detection signals of the positioning parts to the terminal.
And S130, positioning the cable channel through the terminal according to the detection signal.
Specifically, after the metal detector sends the detected detection signals of each positioning piece to the terminal, the terminal accurately positions the cable channel according to the received detection signals and the metal type and/or the placing angle of the detected object. The terminal can be a computer, a mobile phone or a tablet and the like.
Optionally, the positioning, by the terminal, the cable channel according to the detection signal includes:
carrying out noise reduction processing on the detection signal;
and positioning the cable channel according to the detection signal subjected to noise reduction processing.
Specifically, after the metal detector detects the detection signal, the detection signal is transmitted to the terminal, the terminal performs noise reduction processing on the detection signal, and the cable channel is positioned according to the detection signal after the noise reduction processing. Therefore, the accuracy of the detection signal is improved, and the accuracy of the cable channel positioning is further improved.
Optionally, the second positioning unit further includes: the auxiliary pieces are in one-to-one correspondence with the midpoint positions of connecting lines between two adjacent positioning pieces; further comprising:
the auxiliary positioning is carried out by a plurality of auxiliary pieces.
Specifically, the second positioning unit further comprises a plurality of auxiliary members, and the auxiliary positioning is performed through the plurality of auxiliary members. An auxiliary part is arranged at the midpoint of the connecting line between two adjacent positioning parts, and the positioning is assisted by the auxiliary part. On one hand, the auxiliary part is arranged at the midpoint position of the connecting line between two adjacent positioning parts, the detection signal received by the metal detector can also position the midpoint positions of the two adjacent positioning parts, and the accurate positioning of the position of the cable channel and the determination of the shape of the cable channel are further realized. On the other hand, the auxiliary part is arranged between the two adjacent positioning parts, so that the situation that the shape and the position of the cable channel cannot be determined when the metal detector cannot accurately position a certain positioning part or cannot position the positioning part is avoided. Thereby further guaranteed the accurate location to cable channel, provide dual guarantee for obtaining cable channel's accurate position.
Illustratively, referring to fig. 4, the cable channel is generally rectangular in shape, the rectangle having four corners, and thus the number of spacers is four. The positioning members include a first positioning member 21, a second positioning member 22, a third positioning member 23, and a fourth positioning member 24. The auxiliary piece is arranged at the midpoint position between two adjacent positioning pieces, so that in the rectangular cable channel, the midpoint position of the auxiliary piece between two adjacent positioning pieces is the midpoint position of each side of the rectangular cable channel, and the rectangle has four sides, so that the number of the auxiliary pieces is also four. The auxiliary members include a first auxiliary member 25, a second auxiliary member 26, a third auxiliary member 27, and a fourth auxiliary member 28.
The embodiment of the invention provides a cable channel positioning method, which is executed by the cable channel positioning device in any embodiment, and the positioning method comprises the following steps: and positioning the central point of the cable channel through the first positioning unit, and performing primary positioning on the position of the cable channel according to the GPS coordinate of the central point. And forming a detection signal at the cable channel position after the initial positioning through the second positioning unit, and sending the detection signal to the terminal. And positioning the cable channel according to the detection signal through the terminal. According to the technical scheme provided by the embodiment of the invention, the position of the cable channel is preliminarily positioned through the first positioning unit, the cable channel is accurately positioned through the second positioning unit, the second positioning unit comprises a plurality of positioning parts and metal detectors, the positioning parts are fixed on a plurality of vertexes of the cable channel in a one-to-one correspondence manner, the metal detectors are in communication connection with the terminal, and the detection signals of the metal detectors are received through the terminal, so that the cable channel is quickly and accurately positioned, the repair efficiency of a cable line is improved, and the normal power utilization of a user is ensured.
EXAMPLE III
The embodiment of the invention provides a positioning part, an auxiliary part and an RTK unmanned aerial vehicle arrangement method, fig. 6 is a flow chart of the positioning part, the auxiliary part and the RTK unmanned aerial vehicle arrangement method provided by the third embodiment of the invention, and referring to fig. 6, the arrangement method comprises the following steps:
s210, positioning is carried out at the central point of the cable channel by adopting the RTK unmanned aerial vehicle, and the central point GPS coordinate of the cable channel is obtained.
S220, fixing the first positioning piece, the second positioning piece, the third positioning piece and the fourth positioning piece at four vertexes of the cable channel respectively.
And S230, respectively fixing the first auxiliary piece, the second auxiliary piece, the third auxiliary piece and the fourth auxiliary piece at the middle points of four edges of the cable channel.
Specifically, when the cable channel is established, the first positioning element, the second positioning element, the third positioning element and the fourth positioning element are respectively fixed at four vertexes of the cable channel, and the first positioning element, the second positioning element, the third positioning element and the fourth positioning element are respectively fixed at four vertexes of the cable channel. And the RTK unmanned aerial vehicle 11 is required to be used for positioning at the central point of the cable channel, and acquiring and recording the GPS coordinate of the central point. After the cable channel is to be established, when the cable channel needs to be positioned, the RTK unmanned aerial vehicle 11 can perform initial positioning on the cable channel automatically according to the recorded GPS coordinate of the central point. Wherein, the steps S210-S230 can adjust the sequence according to actual needs. The method provides necessary positioning conditions for realizing the quick and accurate positioning of the cable channel by adopting the cable channel positioning method in any embodiment.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A cable channel positioning device, comprising:
the first positioning unit is used for positioning the central point of the cable channel and preliminarily positioning the position of the cable channel according to the GPS coordinate of the central point;
the second positioning unit comprises a plurality of positioning pieces and a metal detector, the positioning pieces are fixed on a plurality of vertexes of the cable channel in a one-to-one mode, the metal detector is in communication connection with the terminal, the metal detector is used for detecting the positioning pieces and forming detection signals at the cable channel position after initial positioning, and the detection signals are sent to the terminal to indicate the terminal to position the cable channel according to the detection signals.
2. The cable pathway positioning apparatus of claim 1, wherein the first positioning unit comprises an RTK drone.
3. The cable channel positioning device of claim 1, wherein the second positioning unit further comprises: the position of each auxiliary piece corresponds to the position of the midpoint of a connecting line between two adjacent positioning pieces one by one; the auxiliary part is used for assisting in positioning.
4. The cable channel positioning device of claim 3, wherein the positioning member and the auxiliary member are made of different metal materials, and the metal detector is configured to detect the types of metals of the positioning member and the auxiliary member for positioning.
5. The cable channel positioning device according to claim 3, wherein the positioning member and the auxiliary member are made of the same metal material, and the metal detector is configured to detect a placement angle between the positioning member and the auxiliary member for positioning.
6. The cable channel positioning device of claim 5, wherein the positioning member and the auxiliary member are square, and the number of the positioning member and the auxiliary member is four; at least one side of each positioning piece is parallel to the side of the cable channel, and the extension line of at least one side of each auxiliary piece forms a first included angle with the side of the cable channel.
7. The cable channel positioning device of claim 6, wherein the first included angle is 45 °.
8. A cable pathway positioning method performed by the cable pathway positioning apparatus of any one of claims 1-7, comprising:
positioning a central point of a cable channel through a first positioning unit, and performing primary positioning on the position of the cable channel according to a GPS (global positioning system) coordinate of the central point;
forming a detection signal at the cable channel position after the initial positioning through a second positioning unit; the second positioning unit comprises a plurality of positioning pieces and metal detectors, the positioning pieces are fixed on a plurality of vertexes of the cable channel in a one-to-one correspondence mode, and the metal detectors are in communication connection with the terminal; the metal detector is used for detecting the positioning pieces at the cable channel position after the initial positioning, forming detection signals and sending the detection signals to the terminal;
and positioning the cable channel according to the detection signal through the terminal.
9. The cable channel locating method according to claim 8, wherein the locating, by the terminal, the cable channel according to the probe signal includes:
carrying out noise reduction processing on the detection signal;
and positioning the cable channel according to the detection signal subjected to noise reduction processing.
10. The cable channel positioning method of claim 9, wherein the second positioning unit further comprises: the auxiliary pieces are in one-to-one correspondence with the positions of the midpoints of connecting lines between two adjacent positioning pieces; further comprising:
the auxiliary positioning is carried out through a plurality of auxiliary pieces.
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