CN109063349A - A kind of cable three-dimensional turn track calculating method - Google Patents

A kind of cable three-dimensional turn track calculating method Download PDF

Info

Publication number
CN109063349A
CN109063349A CN201810907390.9A CN201810907390A CN109063349A CN 109063349 A CN109063349 A CN 109063349A CN 201810907390 A CN201810907390 A CN 201810907390A CN 109063349 A CN109063349 A CN 109063349A
Authority
CN
China
Prior art keywords
cable
mode
angle
radius
vector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810907390.9A
Other languages
Chinese (zh)
Other versions
CN109063349B (en
Inventor
于永要
隗刚
焦爱丽
赵勇强
徐磊
周永康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Dao Heng Time Technology Co Ltd
Original Assignee
Beijing Dao Heng Time Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Dao Heng Time Technology Co Ltd filed Critical Beijing Dao Heng Time Technology Co Ltd
Priority to CN201810907390.9A priority Critical patent/CN109063349B/en
Publication of CN109063349A publication Critical patent/CN109063349A/en
Application granted granted Critical
Publication of CN109063349B publication Critical patent/CN109063349B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/20Design optimisation, verification or simulation
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2113/00Details relating to the application field
    • G06F2113/16Cables, cable trees or wire harnesses
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Evolutionary Computation (AREA)
  • Geometry (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Cable Installation (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The invention discloses a kind of cable three-dimensional turn track calculating methods, construct traditional counting mode;Traditional counting mode parameter input: temperature rise of conductor, track line endpoints horizontal distance, track line endpoints vertical range, outer diameter multiple;Construct customized calculating mode;Selecting All Parameters calculation: vector method mode and selected directions angle mode are chosen;Input corresponding parameter value respectively to vector method mode and angular separation mode;Both of which end value: angle and its unit degree, cable expansion amount, the outside diameter of cable, turning of cable radius and space node respective coordinates including cable laying start track and horizontal direction, by the calculated result of customized calculating mode and traditional counting mode, it matches known cable specification and carries out result verification, according to the different selections of spatial point and lead in a manner of vector method and the calculating of angle-off set, to which accurate and automation gradually calculates the transition point of cable space tracking placement, the cable space laying path of optimization is provided.

Description

A kind of cable three-dimensional turn track calculating method
Technical field
The present invention relates to field of cables, specially a kind of cable three-dimensional turn track calculating method.
Background technique
With the fast development of China, regional power supply demand rapid growth, aboveground area and ground route have met not Humane material requisite.In recent years, buried cable power supply has become trend, however buried cable system of laying has stringent mark Quasi- specification, in underground, cable by ditch connect into well, by well connect into ditch, connection the spaces such as tower connection inlet-outlet line part, due to Technical high, factor complexity, often makes the side of design that very big energy be spent to go to study calculating repeatedly.
When building buried cable, due to the limitation that the complexity of landform, cable length require, the operating maintenance and dimension of cable It protects, will include cable work well, vertical shaft, inclined shaft etc. in a complete cable work.Cable incoming-outgoing wire and engineering cable joint It usually will appear part drop, however the connection cabling at drop, often the most important thing of cable laying engineering, due in sky Between in, the determination position of cable connection point is abnormal to be difficult to determination, foundation " urban electric power cable run designing technique regulation " And professional cable gauge is positioned, as many as Consideration, calculation amount, complexity are big, such as: heat mind contracting amount, cable expansion Flexible arc arc width, temperature rise, currently used solution depend on people substantially when coefficient, coefficient of friction, the reaction force of cable, construction To calculate, experience is taken to select placement location, inevitable factor is excessive, causes different professionals same to participate in Engineering, obtained result is different, has resultful otherness, randomness, frequently can lead to a large amount of wasting of resources, utilize again When resource, it will generate unreasonable space resources and grab, do not have longer term resource commonality.
Cable during underground laying, due to the external environments such as cable is towed, gravity, temperature rise and space nargin and from Body factor, it is inappropriate connection and arrangement will will lead to easily break down at cable connection and cable life shorten, by the time It proves, cable jumper wire junction is the most important thing, and this technology specializes in optimization cabled manner, using artificial intelligence mode, is adopted With traditional artificial calculating, complexity increases, to personnel requirement profession, it will labor intensive, material resources, time resource, benefit are low Under, while the not parasexuality for also having several factors that will will lead to result, directly affect service life, the security performance of cable.
Summary of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of cable three-dimensional turn track calculating method, energy The problem of effective solution background technique proposes.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of cable three-dimensional turn track calculating method, comprising:
Step 100, building traditional counting mode;
Step 200, the input of traditional counting mode parameter: temperature rise of conductor, track line endpoints horizontal distance, track line endpoints are hung down Straight distance, outer diameter multiple;
Step 300, the customized calculating mode of building;
Step 400, Selecting All Parameters calculation: vector method mode and selected directions angle mode are chosen;
Step 500 inputs corresponding parameter value to vector method mode and angular separation mode respectively;
Step 600, both of which end value: angle and its unit including cable laying start track and horizontal direction Degree, cable expansion amount, the outside diameter of cable, turning of cable radius and space node respective coordinates.
Further, in classical mode parameter, certain is selected to determine the specification of outside diameter of cable D electricity from built-in cable library Cable, input level direction distance H, i.e., the horizontal distance of two-end-point, unit mm in reference cartesian coordinate system, trajectory line; Track line endpoints vertical range, the i.e. vertical range referring to two-end-point in cartesian coordinate system, trajectory line, unit mm;Simultaneously Input temperature rise t and outer diameter multiple K.
Further, cable expansion amount is bending amplitude of the cable in a space node, and classical mode calculating is specifically adopted In two ways:
A, when horizontal direction distance H and vertical direction distance V meets:
V≤H/4,
Cable expansion amount is calculated according to standard according to 10%H, cable expansion arc width:
B=10%H,
It is verified by temperature rise t, calculates flexible arc radius R:
R≈H2/ 8B+B/2,
One cable expansion arc width corresponds to node L:
Cable thermal expansion amount m is calculated in the case of temperature rise t:
As t≤1/ (AE α (μ wL-2f)),
Then
Otherwise m=L/2 [α t- (1/AE) (μ wL/2+2f)],
Finally calculate cable thermal expansion amount of distortion P:
P=(2DmH)/[V (H2+V2)],
Wherein, α indicates the linear expansion coefficient of cable;μ indicates coefficient of friction;W indicates cable unit weight;F is indicated The reaction force of cable;A indicates cable conductor section;The Young's modulus of E expression cable;
B, when horizontal direction distance H and vertical direction distance V meets:
V > H/4,
Thermal expansion amount m is calculated using the identical temperature rise t of same a mode, then calculates cable expansion arc width B:
Calculate thermal stretching cable minimum bending radius R1:
R1=(V/sin (arctan (V/H)))2/ 32B+B/2,
Calculate cable thermal expansion amount of distortion P:
P=(2DmH)/[V (H2+V2)]。
Further, it is chosen in vector method mode in self-defined pattern, parameter input includes under cartesian coordinate system: setting The space normal vector PV1 of first endpoint of cable;The space normal vector PV2 of second endpoint of cable is set;Cable is set Temperature rise of conductor t, and the boundary of the value of PV1 and PV2 is between 0~1;
Single sphere centre coordinate point O (X, Y, Z) and radius of a ball R are calculated by PV1 and PV2 parameter, and is sat by cable amount endpoint The coordinate points vector for marking PV1 (X1, Y1, Z1), PV2 (X2, Y2, Z2) and two stayguy directions calculates:
(X1-X)2+(Y1-Y)2+(Z1-Z)2=R2,
(X2-X)2+(Y2-Y)2+(Z2-Z)2=R2,
Can obtain: the direction vector of PV1 is (V1X, V1Y, V1Z);The direction vector of PV2 is (V2X, V2Y, V2Z).
Further, in self-defined pattern selected directions angle mode, parameter input includes under cartesian coordinate system:
The draw direction and X-axis angle PV1X of first endpoint of cable are set, the drawing of first endpoint of cable is set Direction and Y-axis angle PV1Y are stretched, the draw direction and Z axis angle PV1Z of first endpoint of cable are set;
The draw direction and X-axis angle PV2X of second endpoint of cable are set, the drawing of second endpoint of cable is set Direction and Y-axis angle PV2Y are stretched, the draw direction and Z axis angle PV2Z of second endpoint of cable are set;Wherein angle PV1X, Angle PV1Y, angle PV1Z, angle PV2X, angle PV2Y and angle PV2Z angle value boundary be 0 °~360 °;
Passing point PV1, PV2 parameter calculates single ball central coordinate of circle point O (X, Y, Z), radius of a ball R, by cable ends point Coordinate PV1 (X1, Y1, Z1), PV2 (X2, Y2, Z2) and space stayguy direction angle:
(X1-X)2+(Y1-Y)2+(Z1-Z)2=R2,
(X2-X)2+(Y2-Y)2+(Z2-Z)2=R2,
It can obtain, PV1 direction vector (cos (PV1X), cos (PV1Y), cos (PV1Z)), PV2 direction vector (cos (PV2X), cos (PV2Y), cos (PV2Z)).
Further, calculated result of the customized calculating mode in appended claims 4 or appended claims 5, meter Space central coordinate of circle O to PV1, PV2 vector angle θ are calculated, and is obtained by scalar product:
Find out cable expansion arc width B:
Show that a cable expansion arc width corresponds to node L:
Heat stroke m is calculated by temperature rise t again, calculates two coordinate points horizontal distance H:
H=Rsin (θ),
The vertical range V being calculated:
V=R (1-cos (θ)),
It is final to calculate cable thermal expansion amount of distortion P
P=2DmH/ (V (H2+V2))。
Further, the calculation process of traditional counting mode are as follows: program starts;Default uses traditional counting mode;Input Parameter needed for traditional counting mode: temperature rise of conductor, track line endpoints horizontal distance, track line endpoints vertical range, outer diameter multiple; Obtain calculated result: angle, cable expansion amount, the outside diameter of cable, turning of cable radius and the center of circle;Known parameters verification calculates knot Fruit;Terminate.
Further, the algorithm flow of customized calculating mode includes: that program starts;It is defaulted as customized calculating mode; Judge the angle parameter property of stayguy direction, selection vector method mode is N or angle-off set mode is Y;It is defeated to choose vector method mode Enter parameter: normal vector, coordinate points and temperature rise;It chooses angle-off set mode and inputs parameter: space angle, coordinate points and temperature rise;It obtains Calculated result;The ball center of circle, radius, trajectory angle, flexible arc width, the node outside diameter of cable and turning of cable radius;Verification calculates knot Fruit;Terminate.
Further, angle is referring to cartesian coordinate system, cable laying start track and horizontal direction angle, unit Degree;Stroke, i.e. cable expansion arc width, are expressed as the bending amplitude of one space node of cable;The outside diameter of cable, that is, cable size; Turning of cable radius, one space node respective radius of cable;The center of circle, space coordinate corresponding to a space node.
Further, in traditional counting mode, cable expansion amount is calculated by a method, then according in cable library in verification The thermal expansion amount of distortion requirement of specification different materials cable, if the thermal expansion amount m of cable or flexible arc radius R is more than permissible value, Then automatic Verification goes out suitable horizontal direction distance H and vertical direction distance V;
In traditional counting mode, cable expansion amount is calculated by b method, the thermal expansion amount of distortion of specification different materials cable It is required that automatic Verification goes out to close if cable thermal expansion amount of distortion P or thermal stretching cable minimum bending radius R1 is more than permissible value Suitable horizontal direction distance H and vertical direction distance V.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is by polynary calculating, by the dual calculated result of customized calculating mode and traditional counting mode, simultaneously It matches known cable specification and carries out result verification, according to the different to select in a manner of vector method and folder of spatial point and lead The dual calculating of horn cupping, so that accurate and automation gradually calculates the transition point of cable space tracking placement, to provide most Path is laid in the cable space of optimization.
Detailed description of the invention
Fig. 1 is traditional counting mode interface figure of the invention;
Fig. 2 is customized calculating mode interface figure of the invention;
Fig. 3 is cable ends space of points track three-dimensional structure figure of the invention;
Fig. 4 is that customized calculating mode parameter of the invention inputs calculated result molding figure;
Fig. 5 is traditional counting model process figure of the invention;
Fig. 6 is customized calculating model process figure of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5 and Fig. 6, the present invention provides a kind of cable three-dimensional turn track calculating method, Include:
Step 100, building traditional counting mode;
Step 200, the input of traditional counting mode parameter: temperature rise of conductor, track line endpoints horizontal distance, track line endpoints are hung down Straight distance, outer diameter multiple;
Step 300, the customized calculating mode of building;
Step 400, Selecting All Parameters calculation: vector method mode and selected directions angle mode are chosen;
Step 500 inputs corresponding parameter value to vector method mode and angular separation mode respectively;
Step 600, both of which end value: angle and its unit including cable laying start track and horizontal direction Degree, cable expansion amount, the outside diameter of cable, turning of cable radius and space node respective coordinates.
In classical mode parameter, certain is selected to determine the specification cable of outside diameter of cable D, input level from built-in cable library Direction distance H, i.e., the horizontal distance of two-end-point, unit mm in reference cartesian coordinate system, trajectory line;Track line endpoints are hung down Straight distance, the i.e. vertical range referring to two-end-point in cartesian coordinate system, trajectory line, unit mm;Temperature rise t and outer is inputted simultaneously Diameter multiple K.
Cable expansion amount is bending amplitude of the cable in a space node, and classical mode, which calculates, specifically uses two kinds of sides Formula:
A, when horizontal direction distance H and vertical direction distance V meets
V≤H/4,
Cable expansion amount is calculated according to standard according to 10%H, cable expansion arc width:
B=10%H,
It is verified by temperature rise t, calculates flexible arc radius R:
R≈H2/ 8B+B/2,
One cable expansion arc width corresponds to node L:
Cable thermal expansion amount m is calculated in the case of temperature rise t:
As t≤1/ (AE α (μ wL-2f)),
Then
Otherwise m=L/2 [α t- (1/AE) (μ wL/2+2f)],
Finally calculate cable thermal expansion amount of distortion P:
P=(2DmH)/[V (H2+V2)],
Wherein, α indicates the linear expansion coefficient of cable;μ indicates coefficient of friction;W indicates cable unit weight;F is indicated The reaction force of cable;A indicates cable conductor section;The Young's modulus of E expression cable;
B, when horizontal direction distance H and vertical direction distance V meets
V > H/4,
Thermal expansion amount m is calculated using the identical temperature rise t of same a mode, then calculates cable expansion arc width B:
Calculate thermal stretching cable minimum bending radius R1:
R1=(V/sin (arctan (V/H)))2/ 32B+B/2,
Calculate cable thermal expansion amount of distortion P:
P=(2DmH)/[V (H2+V2)]。
It is chosen in vector method mode in self-defined pattern, parameter input includes under cartesian coordinate system: being arranged the of cable The space normal vector PV1 of one endpoint;The space normal vector PV2 of second endpoint of cable is set;Cable conductor temperature rise is set T, and the boundary of the value of PV1 and PV2 is between 0~1;
Single sphere centre coordinate point O (X, Y, Z) and radius of a ball R are calculated by PV1 and PV2 parameter, and is sat by cable amount endpoint The coordinate points vector for marking PV1 (X1, Y1, Z1), PV2 (X2, Y2, Z2) and two stayguy directions calculates:
(X1-X)2+(Y1-Y)2+(Z1-Z)2=R2,
(X2-X)2+(Y2-Y)2+(Z2-Z)2=R2,
Can obtain: the direction vector of PV1 is (V1X, V1Y, V1Z);The direction vector of PV2 is (V2X, V2Y, V2Z)
As shown in Figure 4, in self-defined pattern selected directions angle mode, parameter input includes under cartesian coordinate system:
The draw direction and X-axis angle PV1X of first endpoint of cable are set, the drawing of first endpoint of cable is set Direction and Y-axis angle PV1Y are stretched, the draw direction and Z axis angle PV1Z of first endpoint of cable are set;
The draw direction and X-axis angle PV2X of second endpoint of cable are set, the drawing of second endpoint of cable is set Direction and Y-axis angle PV2Y are stretched, the draw direction and Z axis angle PV2Z of second endpoint of cable are set;Wherein angle PV1X, Angle PV1Y, angle PV1Z, angle PV2X, angle PV2Y and angle PV2Z angle value boundary be 0 °~360 °;
Passing point PV1, PV2 parameter calculates single ball central coordinate of circle point O (X, Y, Z), radius of a ball R, by cable ends point Coordinate PV1 (X1, Y1, Z1), PV2 (X2, Y2, Z2) and space stayguy direction angle:
(X1-X)2+(Y1-Y)2+(Z1-Z)2=R2,
(X2-X)2+(Y2-Y)2+(Z2-Z)2=R2,
It can obtain, PV1 direction vector (cos (PV1X), cos (PV1Y), cos (PV1Z)), the side PV2
To vector (cos (PV2X), cos (PV2Y), cos (PV2Z)).
Customized calculating mode calculates the space center of circle in the calculated result of appended claims 4 or appended claims 5 Coordinate O to PV1, PV2 vector angle θ, and obtained by scalar product:
Find out cable expansion arc width B:
Show that a cable expansion arc width corresponds to node L:
Heat stroke m is calculated by temperature rise t again, calculates two coordinate points horizontal distance H:
H=Rsin (θ),
The vertical range V being calculated:
V=R (1-cos (θ)),
It is final to calculate cable thermal expansion amount of distortion P:
P=2DmH/ (V (H2+V2));
As shown in figure 5, the calculation process of traditional counting mode are as follows: program starts;Default uses traditional counting mode;Input Parameter needed for traditional counting mode: temperature rise of conductor, track line endpoints horizontal distance, track line endpoints vertical range, outer diameter multiple; Obtain calculated result: angle, cable expansion amount, the outside diameter of cable, turning of cable radius and the center of circle;Known parameters verification calculates knot Fruit;Terminate.
As shown in fig. 6, the algorithm flow of customized calculating mode includes: that program starts;It is defaulted as customized calculating mode; Judge the angle parameter property of stayguy direction, selection vector method mode is N or angle-off set mode is Y;It is defeated to choose vector method mode Enter parameter: normal vector, coordinate points and temperature rise;It chooses angle-off set mode and inputs parameter: space angle, coordinate points and temperature rise;It obtains Calculated result;The ball center of circle, radius, trajectory angle, flexible arc width, the node outside diameter of cable and turning of cable radius;Verification calculates knot Fruit;Terminate.
Angle is referring to cartesian coordinate system, cable laying start track and horizontal direction angle, unit degree;Stroke, That is cable expansion arc width is expressed as the bending amplitude of one space node of cable;The outside diameter of cable, that is, cable size;Turning of cable half Diameter, one space node respective radius of cable;The center of circle, space coordinate corresponding to a space node.
In traditional counting mode, cable expansion amount is calculated by a method, then according to specification difference material in cable library in verification The thermal expansion amount of distortion requirement for expecting cable, if the thermal expansion amount m of cable or flexible arc radius R is more than permissible value, automatic Verification Suitable horizontal direction distance H and vertical direction distance V out;
In traditional counting mode, cable expansion amount is calculated by b method, the thermal expansion amount of distortion of specification different materials cable It is required that automatic Verification goes out to close if cable thermal expansion amount of distortion P or thermal stretching cable minimum bending radius R1 is more than permissible value Suitable horizontal direction distance H and vertical direction distance V.
The utility model has the advantages that the present invention is by polynary calculating, by the dual calculating of customized calculating mode and traditional counting mode As a result, matching known cable specification simultaneously carries out result verification, according to the difference of spatial point and lead, vector method is selected The calculating of mode and angle-off set selects, so that accurate and automation gradually calculates the transition point of cable space tracking placement, from And the cable space optimized is provided and lays path.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (10)

1. a kind of cable three-dimensional turn track calculating method characterized by comprising
Step 100, building traditional counting mode;
Step 200, traditional counting mode parameter input: temperature rise of conductor, track line endpoints horizontal distance, track line endpoints vertically away from From, outer diameter multiple;
Step 300, the customized calculating mode of building;
Step 400, Selecting All Parameters calculation: vector method mode and selected directions angle mode are chosen;
Step 500 inputs corresponding parameter value to vector method mode and angular separation mode respectively;
Step 600, both of which end value: angle and its unit degree, electricity including cable laying start track and horizontal direction Cable stroke, the outside diameter of cable, turning of cable radius and space node respective coordinates.
2. a kind of cable three-dimensional turn track calculating method according to claim 1, it is characterised in that: traditional counting mode Parameter in, select certain to determine the specification cable of outside diameter of cable D from built-in cable library, input level direction distance H exists Referring to cartesian coordinate system, the horizontal distance of two-end-point, unit mm in trajectory line;Track line endpoints vertical range, i.e. reference The vertical range of two-end-point in cartesian coordinate system, trajectory line, unit mm;Temperature rise t and outer diameter multiple K are inputted simultaneously.
3. a kind of cable three-dimensional turn track calculating method according to claim 1, it is characterised in that: cable expansion amount is For cable in the bending amplitude of a space node, classical mode, which calculates, specifically uses two ways:
A, when horizontal direction distance H and vertical direction distance V meets:
V <=H/4,
Cable expansion amount is calculated according to standard according to 10%H, cable expansion arc width B:
B=10%H;
It is verified by temperature rise t, calculates flexible arc radius R:
R≈H2/ 8B+B/2,
One cable expansion arc width corresponds to node L:
Cable thermal expansion amount m is calculated in the case of temperature rise t:
As t≤1/ (AE α (μ wL-2f)),
Then
Otherwise m=L/2 [α t- (1/AE) (μ wL/2+2f)],
Finally calculate cable thermal expansion amount of distortion P:
P=(2DmH)/[V (H2+V2)];
B, when horizontal direction distance H and vertical direction distance V meets:
V > H/4,
Thermal expansion amount m is calculated using the identical temperature rise t of same a mode, then calculates cable expansion arc width B:
Calculate thermal stretching cable minimum bending radius R1:
R1=(V/sin (arctan (V/H)))2/ 32B+B/2,
Calculate cable thermal expansion amount of distortion P:
P=(2DmH)/[V (H2+V2)];
More than, α indicates the linear expansion coefficient of cable;μ indicates coefficient of friction;W indicates cable unit weight;F indicates cable Reaction force;A indicates cable conductor section;The Young's modulus of E expression cable;D indicates the outside diameter of cable;K indicates the outside diameter of cable Multiple.
4. a kind of cable three-dimensional turn track calculating method according to claim 1, it is characterised in that: in self-defined pattern It chooses in vector method mode, parameter input includes under cartesian coordinate system: the space normal vector of first endpoint of cable is arranged PV1;The space normal vector PV2 of second endpoint of cable is set;Cable conductor temperature rise t, and the boundary of the value of PV1 and PV2 are set Limit is between 0~1;
Single sphere centre coordinate point O (X, Y, Z) and radius of a ball R are calculated by PV1 and PV2 parameter, and by cable amount extreme coordinates PVl The coordinate points vector of (X1, Y1, Z1), PV2 (X2, Y2, Z2) and two stayguy directions calculate:
(X1-X)2+(Y1-Y)2+(Z1-Z)2=R2,
(X2-X)2+(Y2-Y)2+(Z2-Z)2=R2,
Can obtain: the direction vector of PVl is (V1X, V1Y, V1Z);The direction vector of PV2 is (V2X, V2Y, V2Z).
5. a kind of cable three-dimensional turn track calculating method according to claim 1, it is characterised in that: in self-defined pattern In selected directions angle mode, parameter input includes under cartesian coordinate system:
The draw direction and X-axis angle PVlX of first endpoint of cable are set, the stretching side of first endpoint of cable is set To with Y-axis angle PV1Y, be arranged first endpoint of cable draw direction and Z axis angle PV1Z;
The draw direction and X-axis angle PV2X of second endpoint of cable are set, the stretching side of second endpoint of cable is set To with Y-axis angle PV2Y, be arranged second endpoint of cable draw direction and Z axis angle PV2Z;Wherein angle PV1X, angle PV1Y, angle PV1Z, angle PV2X, angle PV2Y and angle PV2Z angle value boundary be 0 °~360 °;
Passing point PV1, PV2 parameter calculates single ball central coordinate of circle point O (X, Y, Z), radius of a ball R, by cable ends point coordinate PV1 (X1, Y1, Z1), PV2 (X2, Y2, Z2) and space stayguy direction angle:
(X1-X)2+(Y1-Y)2+(Z1-Z)2=R2,
(X2-X)2+(Y2-Y)2+(Z2-Z)2=R2,
It can obtain, PV1 direction vector (cos (PV1X), cos (PV1Y), cos (PV1Z)), PV2 direction vector (cos (PV2X), cos (PV2Y), cos (PV2Z)).
6. a kind of cable three-dimensional turn track calculating method according to claim 1, it is characterised in that: customized calculating mould Formula calculates space central coordinate of circle O to PV1, PV2 vector folder in the calculated result of appended claims 4 or appended claims 5 Angle θ, and obtained by scalar product:
Find out cable expansion arc width B:
Show that a cable expansion arc width corresponds to node L:
Heat stroke m is calculated by temperature rise t again, calculates two coordinate points horizontal distance H:
H=R sin (θ),
The vertical range V being calculated:
V=R (1-cos (θ)),
It is final to calculate cable thermal expansion amount of distortion P:
P=2DmH/ (V (H2+V2))。
7. a kind of cable three-dimensional turn track calculating method according to claim 1, it is characterised in that: traditional counting mode Calculation process are as follows: program starts;Default uses traditional counting mode;Parameter needed for inputting traditional counting mode: temperature rise of conductor, Track line endpoints horizontal distance, track line endpoints vertical range, outer diameter multiple;Obtain calculated result: angle, cable expansion amount, The outside diameter of cable, turning of cable radius and the center of circle;Known parameters verify calculated result;Terminate.
8. a kind of cable three-dimensional turn track calculating method according to claim 1, it is characterised in that: customized calculating mould The algorithm flow of formula includes: that program starts;It is defaulted as customized calculating mode;Judge the angle parameter property of stayguy direction, selects Amount of orientation method mode is N or angle-off set mode is Y;It chooses vector method mode and inputs parameter: normal vector, coordinate points and temperature rise;Choosing Angle-off set mode is taken to input parameter: space angle, coordinate points and temperature rise;Obtain calculated result;The ball center of circle, radius, trajectory angle, Flexible arc width, the node outside diameter of cable and turning of cable radius;Verify calculated result;Terminate.
9. a kind of cable three-dimensional turn track calculating method according to claim 7 or 8, it is characterised in that: angle is ginseng According to cartesian coordinate system, cable laying start track and horizontal direction angle, unit degree;Stroke, i.e. cable expansion arc width, table It is shown as the bending amplitude of one space node of cable;The outside diameter of cable, that is, cable size;Turning of cable radius, one space wave of cable Save respective radius;The center of circle, space coordinate corresponding to a space node.
10. a kind of cable three-dimensional turn track calculating method according to claim 3, it is characterised in that: in traditional counting In mode, cable expansion amount is calculated by a method, then is distorted in verification according to the thermal expansion of specification different materials cable in cable library Amount require, if the thermal expansion amount m of cable or flexible arc radius R be more than permissible value, automatic Verification go out suitable horizontal direction away from From H and vertical direction distance V;
In traditional counting mode, cable expansion amount is calculated by b method, and the thermal expansion amount of distortion of specification different materials cable is wanted It asks, if cable thermal expansion amount of distortion P or thermal stretching cable minimum bending radius R1 is more than permissible value, automatic Verification is suitable out Horizontal direction distance H and vertical direction distance V.
CN201810907390.9A 2018-08-08 2018-08-08 Cable space turning track calculation method Active CN109063349B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810907390.9A CN109063349B (en) 2018-08-08 2018-08-08 Cable space turning track calculation method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810907390.9A CN109063349B (en) 2018-08-08 2018-08-08 Cable space turning track calculation method

Publications (2)

Publication Number Publication Date
CN109063349A true CN109063349A (en) 2018-12-21
CN109063349B CN109063349B (en) 2023-07-14

Family

ID=64683410

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810907390.9A Active CN109063349B (en) 2018-08-08 2018-08-08 Cable space turning track calculation method

Country Status (1)

Country Link
CN (1) CN109063349B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110083993A (en) * 2019-05-29 2019-08-02 苏州芯禾电子科技有限公司 A method of winding linear electrical parameterization modeling

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102900366A (en) * 2012-10-26 2013-01-30 东南大学 Free trajectory planning and deviation correcting method of horizontal directional drill
CN105082156A (en) * 2015-08-12 2015-11-25 珞石(北京)科技有限公司 Space trajectory smoothing method based on speed optimum control

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102900366A (en) * 2012-10-26 2013-01-30 东南大学 Free trajectory planning and deviation correcting method of horizontal directional drill
CN105082156A (en) * 2015-08-12 2015-11-25 珞石(北京)科技有限公司 Space trajectory smoothing method based on speed optimum control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110083993A (en) * 2019-05-29 2019-08-02 苏州芯禾电子科技有限公司 A method of winding linear electrical parameterization modeling
CN110083993B (en) * 2019-05-29 2022-01-28 芯和半导体科技(上海)有限公司 Winding transmission line parametric modeling method

Also Published As

Publication number Publication date
CN109063349B (en) 2023-07-14

Similar Documents

Publication Publication Date Title
CN102900366B (en) Free trajectory planning and deviation correcting method of horizontal directional drill
CN107220462A (en) The production method and system of a kind of parametrization reinforcing bar applied to prefabricated components
CN105046363B (en) A kind of region distribution system single-line diagram layout and optimization method
CN104794755B (en) A kind of high-tension cable three-dimensional tube field of line scape construction method
CN105872981B (en) Indoor orientation method based on signal synthesis and artificial neural network
CN110401145A (en) A kind of cable laying method and laying system
CN108182301A (en) A kind of cable system branching diagram production method based on topological diagram autoplacement
CN109063349A (en) A kind of cable three-dimensional turn track calculating method
CN109458988B (en) Holding pole inclination angle measuring method based on UWB wireless distance measuring technology
CN109284534A (en) A kind of method and system that the cable dosage information based on BIM technology accurately counts
CN110045339A (en) The calibration measuring method of sphere phase array antenna
CN110851932A (en) Automatic generation method for initial layout of three-phase single line diagram of low-voltage distribution network
CN110472290A (en) A kind of multirobot piddler geodesic curve trajectory design method
CN103427371A (en) Intelligent cable path optimizing method
CN107364548A (en) Internal wave of ocean observes buoy and its typhoon protection design method, typhoon protection method
CN109741458A (en) A method of based on Unity3D rapid build complex polygon plane
CN107045731A (en) The method being modeled based on cloud data to substation bus bar
CN110906872B (en) Method for observing and adjusting lead through high-efficiency gear side sag
CN111859591B (en) Automatic layout method and device for wires and cables
CN104054080B (en) Wire length output intent and wire length output program
CN109858087B (en) Electrical pipeline laying collaborative design method
CN111639412A (en) Method for automatically generating single line diagram based on geographical edge layout
CN114154282B (en) Dynamo-based automatic cable arrangement method
CN110764038B (en) Method and device for evaluating uncertainty of measurement caused by current pole
CN210272718U (en) Gearbox lead

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: Room 262, building 1, No. 11, Deshengmenwai street, Xicheng District, Beijing 100088

Applicant after: Beijing Daoheng Software Co.,Ltd.

Address before: Room 805, 8th floor, Congyuan building, No. 95, Qinghe 3rd Street, Haidian District, Beijing 100085

Applicant before: BEIJING DAOPOWER TIMES TECHNOLOGY CO.,LTD.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant