CN114577128B - Cable acceptance checking method and device - Google Patents
Cable acceptance checking method and device Download PDFInfo
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- CN114577128B CN114577128B CN202210496102.1A CN202210496102A CN114577128B CN 114577128 B CN114577128 B CN 114577128B CN 202210496102 A CN202210496102 A CN 202210496102A CN 114577128 B CN114577128 B CN 114577128B
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- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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Abstract
The application discloses a cable acceptance method and a device, wherein the method comprises the following steps: determining the minimum bending radius according to the model of the cable to be checked; after the position of a laser transmitter is determined according to the field environment of the cable to be checked, the laser transmitter transmits laser to the direction of the cable to be checked, and a first distance from the laser transmitter to the cable to be checked is obtained; the laser transmitter deflects a preset angle in a preset direction and then transmits second laser to obtain a second distance from the laser transmitter to a cable to be checked; calculating a target distance according to the minimum bending radius, the first distance and a preset angle; and judging whether the second distance is greater than or equal to the target distance, if so, judging that the cable to be checked meets the acceptance requirement, and if not, judging that the cable to be checked does not meet the acceptance requirement, so that the technical problems that in the prior art, the cable is checked and accepted by adopting a curve ruler material object comparison method, curve templates under acceptance radiuses corresponding to different material objects need to be prepared, and the carrying is not easy and the safety is low are solved.
Description
Technical Field
The application relates to the technical field of cable acceptance, in particular to a cable acceptance method and device.
Background
At present, in the power grid cable acceptance work, the bending radius of the cable needs to be accepted, if the bending radius is too small, the current-carrying capacity and the optical fiber data transmission speed of the cable are greatly influenced, and the cable acceptance is unqualified; and if the bending radius of the cable is larger than a certain multiple of the radius of the cable, the current-carrying capacity of the cable and the optical fiber data transmission speed are not influenced, and the cable is qualified in acceptance.
In the prior art, cable checking and accepting are mainly carried out by adopting a method for comparing material objects of a curve ruler, the method needs to prepare curve templates under checking and accepting radiuses corresponding to different material objects, the method is not easy to carry, and when the material objects are compared by workers, the workers are close to the cable, so that safety risks exist.
Disclosure of Invention
The application provides a cable checking and accepting method and device, which are used for solving the technical problems that in the prior art, a curve template corresponding to different real objects under the checking and accepting radius needs to be prepared by adopting a real object comparison method of a curve ruler for checking and accepting a cable, the carrying is not easy, and the safety is low.
In view of this, a first aspect of the present application provides a cable acceptance method, including:
determining the minimum bending radius according to the model of the cable to be checked;
after the position of a laser transmitter is determined according to the field environment of the cable to be checked and accepted, the laser transmitter transmits laser to the direction of the cable to be checked and accepted, and a first distance from the laser transmitter to the cable to be checked and accepted is obtained;
the laser transmitter deflects a preset angle in a preset direction and then transmits second laser to obtain a second distance from the laser transmitter to the cable to be checked;
calculating a target distance according to the minimum bending radius, the first distance and the preset angle;
and judging whether the second distance is greater than or equal to the target distance, if so, judging that the to-be-checked take-up cable meets the acceptance requirement, and if not, judging that the to-be-checked take-up cable does not meet the acceptance requirement.
Optionally, when the laser transmitter and the cable to be checked and accepted are in the same plane and the first distance is greater than the minimum bending radius, calculating a target distance according to the minimum bending radius, the first distance, and the preset angle includes:
calculating a target distance through a first calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the first calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDin order to be the target distance,ACthe first distance is a distance between the first and second electrodes,ABin order to be the minimum bend radius,
is a preset angle.
Optionally, when the laser transmitter and the cable to be inspected are on the same plane and the first distance is smaller than the minimum bending radius, calculating a target distance according to the minimum bending radius, the first distance, and the preset angle includes:
calculating a target distance through a second calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the second calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDis the distance to the target, and is,ACthe first distance is a distance between the first and second electrodes,ABin order to be the minimum bend radius,
is a preset angle.
Optionally, when the laser transmitter and the cable to be checked out are in the same plane and the first distance is equal to the minimum bending radius, the target distance is equal to the first distance.
Optionally, when the position of the laser transmitter is perpendicular to the cable to be checked, calculating a target distance according to the minimum bending radius, the first distance, and the preset angle includes:
calculating the target distance through a third calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the third calculation model is as follows:
in the formula (I), the compound is shown in the specification,EFin order to be the target distance,AFthe first distance is a distance between the first and second electrodes,ACin order to be the minimum bend radius,
as an intermediate parameter, the parameter is,
，
is a preset angle.
This application second aspect provides a cable inspection device, includes:
the obtaining unit is used for obtaining the minimum bending radius corresponding to the cable to be checked according to the model of the cable to be checked;
the laser transmitter is used for transmitting laser to the direction of the cable to be checked and accepted at the position to obtain a first distance from the laser transmitter to the cable to be checked and accepted, wherein the position of the laser transmitter is determined according to the field environment of the cable to be checked and accepted;
the laser transmitter is further used for deflecting a preset angle to a preset direction and then transmitting second laser to obtain a second distance from the laser transmitter to the cable to be checked;
the calculation unit is used for calculating a target distance according to the minimum bending radius, the first distance and the preset angle;
and the judging unit is used for judging whether the second distance is greater than or equal to the target distance, if so, judging that the to-be-checked receiving cable meets the acceptance requirement, and if not, judging that the to-be-checked receiving cable does not meet the acceptance requirement.
Optionally, when the laser transmitter and the cable to be checked are in the same plane and the first distance is greater than the minimum bending radius, the calculating unit is specifically configured to:
calculating a target distance through a first calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the first calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDis the distance to the target, and is,ACthe first distance is a distance between the first and second electrodes,ABin order to be the minimum bend radius,
is a preset angle.
Optionally, when the laser transmitter and the cable to be checked are in the same plane and the first distance is smaller than the minimum bending radius, the calculating unit is specifically configured to:
calculating a target distance through a second calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the second calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDin order to be the target distance,ACthe first distance is a distance between the first and second electrodes,ABis the minimum bend radius of the tube, and,
is a preset angle.
Optionally, when the laser transmitter and the cable to be checked out are in the same plane and the first distance is equal to the minimum bending radius, the target distance is equal to the first distance.
Optionally, when the position of the laser transmitter is perpendicular to the cable to be checked, the computing unit is specifically configured to:
calculating the target distance through a third calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the third calculation model is as follows:
in the formula (I), the compound is shown in the specification,EFin order to be the target distance,AFis a first distance between the first and the second distance,ACin order to be the minimum bend radius,
as an intermediate parameter, the parameter is,
，
is a preset angle.
According to the technical scheme, the method has the following advantages:
the application provides a cable acceptance method, which comprises the following steps: determining the minimum bending radius according to the model of the cable to be checked; after the position of a laser transmitter is determined according to the field environment of the cable to be checked, the laser transmitter transmits laser to the direction of the cable to be checked, and a first distance from the laser transmitter to the cable to be checked is obtained; the laser transmitter deflects a preset angle in a preset direction and then transmits second laser to obtain a second distance from the laser transmitter to a cable to be checked; calculating a target distance according to the minimum bending radius, the first distance and a preset angle; and judging whether the second distance is greater than or equal to the target distance, if so, judging that the cable to be checked is in accordance with the acceptance requirement, and if not, judging that the cable to be checked is not in accordance with the acceptance requirement.
In the application, after the position of a laser transmitter is determined according to the site environment of a cable to be checked and accepted, the laser transmitter transmits laser to obtain a first distance from the laser transmitter to the cable to be checked and accepted, then the laser transmitter transmits laser to a preset direction offset by a preset angle to obtain a second distance, the minimum bending radius, the first distance and the preset angle of the cable to be checked and accepted are used for obtaining a target distance under the angle, and the second distance and the target distance are judged to determine whether the actual bending radius of the cable to be checked and accepted is too small, so that whether the cable to be checked and accepted is qualified is judged, a worker does not need to closely check and accept the cable, the safety is improved, a curve template under the check and acceptance radius corresponding to different objects is not required to be carried, the problem that the cable is checked and accepted by adopting a curve scale object comparison method in the prior art is solved, and curve templates under the check and acceptance radii corresponding to different objects are required to be prepared, there are technical problems of not easy portability and low security.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic flow chart of a cable verification method according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of obtaining a first distance and a second distance according to an embodiment of the present application;
FIG. 3 is a schematic diagram of constructing a first computational model according to an embodiment of the present application;
FIG. 4 is a schematic diagram of a method for constructing a second computational model according to an embodiment of the present disclosure;
FIG. 5 is a schematic diagram of a third computational model according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of an acceptance cable provided by embodiments of the present application;
fig. 7 is another schematic view of an acceptance cable provided in an embodiment of the present application.
Detailed Description
In order to make those skilled in the art better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all 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 application.
For easy understanding, please refer to fig. 1, an embodiment of the present application provides a cable verification method, including:
The acceptance criteria for different models of cable may be different because the diameters of different models of cable may be different, while the acceptance criteria for each diameter of cable is fixed. Therefore, when the cable is received, the diameter of the cable to be received can be determined according to the model of the cable to be received, and further the minimum bending radius of the cable of the model can be determined.
Because the environments of the cables to be checked are different, the checking position is easily limited by the field environment when the cables are checked, so that the position of the laser transmitter needs to be determined according to the field environment of the cables to be checked, when the position of the laser transmitter is determined, the laser transmitter and the cables to be checked are preferentially considered to be arranged on the same plane, and the laser transmitting port of the laser transmitter is directly opposite to the curved concave surface of the cables to be checked; if the laser transmitter cannot be arranged on the same plane as the cable to be checked and accepted, the laser transmitter is considered to be arranged under the cable to be checked and accepted, so that the laser transmitter is perpendicular to the plane where the cable to be checked and accepted is located.
After the laser transmitter is placed, laser is transmitted to the direction of the cable to be checked through the laser transmitter, and a first distance from the laser transmitter to the cable to be checked is obtained. When the laser transmitter and the to-be-checked cable are on the same plane, the laser transmitter transmits laser to the front, and a first distance from the laser transmitter to the to-be-checked cable is obtained; when the laser transmitter is located right below the cable to be checked, the laser transmitter transmits laser to the right above direction, and a first distance from the laser transmitter to the cable to be checked is obtained.
And 103, deflecting the preset direction by a preset angle through the laser transmitter, and then transmitting second laser to obtain a second distance from the laser transmitter to the cable to be checked.
And after the first distance is obtained, the laser transmitter deflects to a preset direction by a preset angle and then transmits second laser, and a second distance from the laser transmitter to the cable to be checked is obtained. After the first distance is obtained, the laser transmitter may transmit laser to the cable to be checked after being offset by a preset angle to the right or left to obtain a second distance, and the schematic diagram of obtaining the first distance and the second distance may be obtained when the laser transmitter and the cable to be checked are on the same plane as that provided in fig. 2. It will be appreciated that a laser transmitter may be configured to emit laser light at different angles to achieve the preset angle of the second distance.
And 104, calculating a target distance according to the minimum bending radius, the first distance and a preset angle.
In one embodiment, when the laser transmitter and the cable to be checked are in the same plane and the first distance is greater than the minimum bending radius, the target distance is calculated through a first calculation model according to the minimum bending radius, the first distance and the preset angle, and the first calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDin order to be the target distance,ACthe first distance is a distance between the first and second electrodes,ABin order to be the minimum bend radius,
is a preset angle.
The specific acquisition process of the first calculation model is as follows:
drawing a line segment AC, the length of the line segment AC being equal to the length of the first distance;
in the line segment AC, a point at the minimum bending radius from the end point A is set as a circle center B, and a circular arc line AD is drawn by taking the line segment AB as the radius;
connecting the circle center B and an end point D of the arc line AD to obtain a sector BDA, and connecting an end point C of the line segment AC with the end point D to obtain a triangle CBD, wherein the length of the line segment BD is equal to that of the line segment AB;
with triangular CBD
To preset angles
Making a vertical line from a point B of the triangle CBD to the line segment CD to obtain a vertical line BG;
presetting angles according to the relation between three sides of a triangle
Calculating the length of the vertical line BG according to the length of the line segment AC and the length of the line segment AB;
and constructing a first calculation model according to the Pythagorean theorem, the length of the vertical line BG and the length of the line segment BD.
From the above steps, a pattern as shown in fig. 3 can be obtained, in the known sector BDA,AB=BD= minimum radius of curvature of the tube (c),AC= a first distance which is greater than the first distance,
，
the triangle DBG is a right-angled triangle;
from the relationship between the three sides of the triangle, one can obtain
And then the obtained product is obtained,
(ii) a In the right triangle DBG, there are
Due to the fact that
And the method can obtain the product,
thus, a first calculation model is constructed, namely:
in another embodiment, when the laser transmitter and the cable to be checked are in the same plane and the first distance is smaller than the minimum bending radius, the target distance is calculated through a second calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the second calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDin order to be the target distance,ACthe first distance is a distance between the first and second electrodes,ABin order to be the minimum bend radius,
is a preset angle.
The specific acquisition process of the second calculation model is as follows:
drawing a line segment AB, wherein the length of the line segment AB is equal to the length of the minimum bending radius;
drawing an arc line AD by taking the endpoint B of the line segment AB as the center of a circle and the line segment AB as the radius, and connecting the endpoint B with the endpoint D of the arc AD to obtain a sector BDA;
making a perpendicular line from the end point D to the line segment AB to obtain a perpendicular line DH;
in the line segment AB, a point at a first distance from the endpoint A is set as a point C, the point C is connected with the endpoint D to obtain a triangle DHC, and the triangle DHC is set
Is a preset angle;
and constructing a second calculation model according to the relation among the three sides of the triangle, the preset angle, the length of the line segment AC and the length of the line segment AB.
From the above steps, a pattern as shown in fig. 4 can be obtained, in the known sector BDA,AB=BD= minimum radius of curvature of the tube (c),AC= a first distance which is greater than the first distance,
，
the triangle DHC and the triangle DHB are right-angled triangles;
from the trilateral relationship of the triangle, it can be obtained
I.e. by
，
(ii) a Because the triangle DHB is a right triangle, there are
I.e. by
I.e. by
(ii) a Because of the fact that
Therefore, it is
Can be converted into
And then obtain
I.e. by
And alsoBecause of the fact that
And finally, constructing to obtain a second calculation model, namely:
in another embodiment, the target distance is equal to the first distance when the laser transmitter is in the same plane as the cable to be certified and the first distance is equal to the minimum bend radius.
In another embodiment, when the laser transmitter is located at a position perpendicular to the cable to be checked, the target distance is calculated through a third calculation model according to the minimum bending radius, the first distance and the preset angle, and the third calculation model is as follows:
in the formula (I), the compound is shown in the specification,EFin order to be the target distance,AFthe first distance is a distance between the first and second electrodes,ACis the minimum bend radius of the tube, and,
as an intermediate parameter, the parameter is,
，
is a preset angle.
The specific acquisition process of the third calculation model is as follows:
drawing a line segment AC, wherein the length of the line segment AC is equal to the length of the minimum bending radius;
drawing an arc line AE by taking the line segment AC as a radius, connecting an endpoint C of the line segment AC with an endpoint E of the arc line AE to obtain a fan-shaped CEA, and connecting the endpoint A and the endpoint E in a straight line to obtain a triangle CEA;
drawing a perpendicular AF with the end point A as the foot, theThe length of the perpendicular AF is equal to the first distance, the end point E and the end point F are connected to obtain a triangle EAF, and the triangle EAF is set
Is a preset angle;
and constructing a third calculation model according to the relation among the three sides of the triangle, the preset angle, the length of the line segment AC and the length of the line segment AF.
According to the above steps, a graph as shown in fig. 5 can be obtained, in the known sector CEA,AC=CE= minimum radius of curvature of the tube (c),AF= a first distance which is greater than the first distance,
the triangle EAF is a right triangle, and the triangle EAF
To preset angles
I.e. by
Triangle CEA is isosceles triangle, suppose
。
The vertical line is made to the line segment AE at the end point C, the foot is a point G, and the triangle CEA is an isosceles triangle, soAG=EGI.e., point G is the midpoint of line segment AE,
(ii) a In the right triangle ACG, there are
(ii) a In the right triangle EAF, there are
I.e. by
Therefore, it is possible to
Is known to
Can be calculated to obtain
Calculating to obtain an angle
Then, the third calculation model is further passed
The length of the line segment EF can be calculated to obtain the target distance.
And 105, judging whether the second distance is larger than or equal to the target distance, if so, judging that the to-be-checked take-up cable meets the acceptance requirement, and if not, judging that the to-be-checked take-up cable does not meet the acceptance requirement.
And judging whether the second distance is larger than or equal to the target distance, if so, judging that the bending radius of the cable to be checked is qualified, judging that the cable to be checked meets the checking requirement, otherwise, judging that the bending radius of the cable to be checked is too small and unqualified, and judging that the cable to be checked is not in accordance with the checking requirement.
Referring to fig. 6, AB is the minimum bending radius, point C is the position of the laser emitter, the length of AC is the first distance between the laser emitter and the cable to be inspected, arc D 'AE' is the cable to be inspected, arc DAE is the arc drawn by taking point B as the center of a circle, AB is the radius, CD 'is the second distance obtained by emitting laser after the laser emitter deflects a preset angle α to the left, CD is the target distance obtained by correspondingly calculating the preset angle α to the laser emitter, and as can be seen from fig. 6, the second distance CD' is smaller than the target distance CD, which indicates that the bending radius of the cable to be inspected is too small and is not qualified. Of course, the second distance may also be obtained by deflecting the laser emitter rightward by the preset angle to emit the laser, as shown in fig. 6, CE 'is the second distance obtained by emitting the laser after the laser emitter deflects rightward by the preset angle β, CE is the target distance obtained by correspondingly calculating the preset angle β of deflection rightward by the laser emitter, and the second distance CE' is smaller than the target distance CE, which indicates that the bending radius of the cable to be inspected is too small and the cable is not qualified.
It is understood that, in order to ensure the accuracy of acceptance, the laser emitter may also emit laser light at a plurality of preset angles offset to the preset direction to obtain a plurality of second distances. Referring to fig. 7, the second distances are obtained by deflecting the left for multiple times, and then are compared with the corresponding target distances, and finally whether the acceptance is qualified is determined by combining the comparison result; the first distance is obtained by deflecting the light source for a plurality of times, and the first distance is compared with the corresponding target distance; the laser transmitter returns to the initial direction, then deflects to the right for multiple times to obtain multiple second distances, compares the multiple second distances with the corresponding target distances to obtain a judgment result, and finally determines whether the received cable to be checked is qualified or not by combining the multiple judgment results. It can be understood that the preset angle can be selected according to actual conditions, and is preferably set within 0-90 degrees.
In the application, after the position of a laser transmitter is determined according to the site environment of a cable to be checked, the laser transmitter transmits laser to obtain a first distance from the laser transmitter to the cable to be checked, then the laser transmitter transmits laser to a preset direction offset by a preset angle to obtain a second distance, the minimum bending radius of the cable to be checked, the first distance and the preset angle are used for obtaining a target distance under the angle, and the second distance and the target distance are judged to determine whether the actual bending radius of the cable to be checked is too small or not so as to judge whether the cable to be checked is qualified or not, so that a worker does not need to closely check the cable, the safety is improved, a curve template under the check radius corresponding to different objects is not required to be carried, the problem that the cable is checked by adopting a curve scale object comparison method in the prior art is solved, a curve template under the check radii corresponding to different objects is required to be prepared, there are technical problems of not easy portability and low security.
The above is an embodiment of a cable inspection and collection device provided by the present application, and the following is an embodiment of a cable inspection and collection device provided by the present application.
A cable acceptance device in this application includes:
the acquisition unit is used for acquiring the minimum bending radius corresponding to the cable to be checked according to the model of the cable to be checked;
the laser transmitter is used for transmitting laser to the direction of the cable to be checked at the position to obtain a first distance from the laser transmitter to the cable to be checked, wherein the position of the laser transmitter is determined according to the field environment of the cable to be checked;
the laser transmitter is also used for transmitting second laser after deflecting a preset angle to a preset direction to obtain a second distance from the laser transmitter to a cable to be checked;
the calculation unit is used for calculating a target distance according to the minimum bending radius, the first distance and a preset angle;
and the judging unit is used for judging whether the second distance is greater than or equal to the target distance, if so, judging that the to-be-checked take-up cable meets the acceptance requirement, and if not, judging that the to-be-checked take-up cable does not meet the acceptance requirement.
According to the cable acceptance inspection device, the acquisition unit can acquire the model of the cable to be inspected, which is input by a user, and then the minimum bending radius of the model is determined by looking up a table according to the model; the method comprises the following steps that a worker needs to determine the placement position of a laser transmitter according to the field environment of a cable to be checked and accepted, the laser transmitter transmits laser to the cable to be checked and accepted at the position, and a first distance is obtained; the laser transmitter transmits the second laser after deflecting the preset angle to the preset direction, and obtains the second distance from the laser transmitter to the cable to be checked, and it can be understood that an angle sensor can be arranged in the laser transmitter, and the offset angle of the laser transmitter is determined through the angle sensor. The calculating unit calculates a target distance according to the minimum bending radius, the first distance and a preset angle; the judgment unit judges whether the second distance is larger than or equal to the target distance, if so, the cable to be checked is judged to meet the acceptance requirement, if not, the cable to be checked is judged not to meet the acceptance requirement, and finally, an acceptance result is output.
It is understood that the acquisition unit, the calculation unit and the determination unit may be embedded in the laser transmitter; the acquisition unit, the calculation unit and the judgment unit can also be integrated into one control module, the control module is in communication connection with the laser transmitter, and the control module can also be provided with a display module for displaying the acceptance result.
As a further improvement, when the laser transmitter and the cable to be checked are in the same plane and the first distance is greater than the minimum bending radius, the calculating unit is specifically configured to:
calculating the target distance through a first calculation model according to the minimum bending radius, the first distance and a preset angle, wherein the first calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDin order to be the target distance,ACthe first distance is a distance between the first and second electrodes,ABin order to be the minimum bend radius,
is a preset angle.
As a further improvement, when the laser transmitter and the cable to be checked are in the same plane and the first distance is smaller than the minimum bending radius, the calculating unit is specifically configured to:
calculating the target distance through a second calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the second calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDin order to be the target distance,ACthe first distance is a distance between the first and second electrodes,ABin order to be the minimum bend radius,
is a preset angle.
As a further improvement, when the laser transmitter is in the same plane as the cable to be inspected and the first distance is equal to the minimum bend radius, the target distance is equal to the first distance.
As a further improvement, when the position of the laser transmitter is perpendicular to the cable to be checked, the computing unit is specifically configured to:
calculating the target distance through a third calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the third calculation model is as follows:
in the formula (I), the compound is shown in the specification,EFin order to be the target distance,AFthe first distance is a distance between the first and second electrodes,ACin order to be the minimum bend radius,
as an intermediate parameter, the parameter is,
，
is a preset angle.
The calculation unit is internally provided with a calculation model for calculating the target distance in advance, and selects a specific calculation model to calculate the target distance according to the position relation between the laser transmitter and the cable to be checked and by judging the first distance and the minimum bending radius.
In the application, after the position of a laser transmitter is determined according to the site environment of a cable to be checked and accepted, the laser transmitter transmits laser to obtain a first distance from the laser transmitter to the cable to be checked and accepted, then the laser transmitter transmits laser to a preset direction offset by a preset angle to obtain a second distance, the minimum bending radius, the first distance and the preset angle of the cable to be checked and accepted are used for obtaining a target distance under the angle, and the second distance and the target distance are judged to determine whether the actual bending radius of the cable to be checked and accepted is too small, so that whether the cable to be checked and accepted is qualified is judged, a worker does not need to closely check and accept the cable, the safety is improved, a curve template under the check and acceptance radius corresponding to different objects is not required to be carried, the problem that the cable is checked and accepted by adopting a curve scale object comparison method in the prior art is solved, and curve templates under the check and acceptance radii corresponding to different objects are required to be prepared, there are technical problems of not easy portability and low security.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The terms "first," "second," "third," "fourth," and the like in the description of the application and the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that the embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be understood that in the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" for describing an association relationship of associated objects, indicating that there may be three relationships, e.g., "a and/or B" may indicate: only A, only B and both A and B are present, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of single item(s) or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", wherein a, b, c may be single or plural.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for executing all or part of the steps of the method described in the embodiments of the present application through a computer device (which may be a personal computer, a server, or a network device). And the aforementioned storage medium includes: a U disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (2)
1. A cable acceptance method, comprising:
determining the minimum bending radius according to the model of the cable to be checked;
after the position of a laser transmitter is determined according to the field environment of the cable to be checked and accepted, the laser transmitter transmits laser to the direction of the cable to be checked and accepted, and a first distance from the laser transmitter to the cable to be checked and accepted is obtained;
the laser transmitter deflects a preset angle in a preset direction and then transmits second laser to obtain a second distance from the laser transmitter to the cable to be checked;
calculating a target distance according to the minimum bending radius, the first distance and the preset angle;
judging whether the second distance is greater than or equal to the target distance, if so, judging that the cable to be checked meets the checking requirement, and if not, judging that the cable to be checked does not meet the checking requirement;
when the laser transmitter and the cable to be checked are in the same plane and the first distance is greater than the minimum bending radius, calculating a target distance according to the minimum bending radius, the first distance and the preset angle, including:
calculating a target distance through a first calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the first calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDin order to be the target distance,ACthe first distance is a distance between the first and second electrodes,ABin order to be the minimum bend radius,
is a preset angle;
when the laser transmitter and the cable to be checked are in the same plane and the first distance is smaller than the minimum bending radius, calculating a target distance according to the minimum bending radius, the first distance and the preset angle, including:
calculating a target distance through a second calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the second calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDis the distance to the target, and is,ACthe first distance is a distance between the first and second electrodes,ABis the minimum bend radius of the tube, and,
is a preset angle;
when the laser transmitter and the cable to be checked are in the same plane and the first distance is equal to the minimum bending radius, the target distance is equal to the first distance;
when the position of the laser transmitter is perpendicular to the cable to be checked and accepted, calculating a target distance according to the minimum bending radius, the first distance and the preset angle, wherein the method comprises the following steps:
according to the minimum bending radius, the first distance and the preset angle, calculating a target distance through a third calculation model, wherein the third calculation model is as follows:
in the formula (I), the compound is shown in the specification,EFis the distance to the target, and is,AFthe first distance is a distance between the first and second electrodes,ACis the minimum bend radius of the tube, and,
as an intermediate parameter, the parameter is,
，
is a preset angle.
2. A cable acceptance device, comprising:
the obtaining unit is used for obtaining the minimum bending radius corresponding to the cable to be checked according to the model of the cable to be checked;
the laser transmitter is used for transmitting laser to the direction of the cable to be checked and accepted at the position to obtain a first distance from the laser transmitter to the cable to be checked and accepted, wherein the position of the laser transmitter is determined according to the field environment of the cable to be checked and accepted;
the laser transmitter is further used for deflecting a preset angle to a preset direction and then transmitting second laser to obtain a second distance from the laser transmitter to the cable to be checked;
the calculation unit is used for calculating a target distance according to the minimum bending radius, the first distance and the preset angle;
the judging unit is used for judging whether the second distance is larger than or equal to the target distance, if so, judging that the to-be-checked take-up cable meets the acceptance requirement, and if not, judging that the to-be-checked take-up cable does not meet the acceptance requirement;
when the laser transmitter and the cable to be checked are in the same plane and the first distance is greater than the minimum bending radius, the calculation unit is specifically configured to:
according to the minimum bending radius, the first distance and the preset angle, calculating a target distance through a first calculation model, wherein the first calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDis the distance to the target, and is,ACthe first distance is a distance between the first and second electrodes,ABin order to be the minimum bend radius,
is a preset angle;
when the laser transmitter and the cable to be checked are in the same plane and the first distance is smaller than the minimum bending radius, the calculation unit is specifically configured to:
calculating a target distance through a second calculation model according to the minimum bending radius, the first distance and the preset angle, wherein the second calculation model is as follows:
in the formula (I), the compound is shown in the specification,CDin order to be the target distance,ACthe first distance is a distance between the first and second electrodes,ABin order to be the minimum bend radius,
is a preset angle;
when the laser transmitter and the cable to be checked are in the same plane and the first distance is equal to the minimum bending radius, the target distance is equal to the first distance;
when the position of the laser transmitter is perpendicular to the cable to be checked, the computing unit is specifically configured to:
according to the minimum bending radius, the first distance and the preset angle, calculating a target distance through a third calculation model, wherein the third calculation model is as follows:
in the formula (I), the compound is shown in the specification,EFin order to be the target distance,AFthe first distance is a distance between the first and second electrodes,ACis the minimum bend radius of the tube, and,
as an intermediate parameter, the parameter is,
，
is a preset angle.
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