CN117856111A - Protection method and system for main power cable - Google Patents

Protection method and system for main power cable Download PDF

Info

Publication number
CN117856111A
CN117856111A CN202311779199.8A CN202311779199A CN117856111A CN 117856111 A CN117856111 A CN 117856111A CN 202311779199 A CN202311779199 A CN 202311779199A CN 117856111 A CN117856111 A CN 117856111A
Authority
CN
China
Prior art keywords
main power
power cable
cable
protection
routing path
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.)
Pending
Application number
CN202311779199.8A
Other languages
Chinese (zh)
Inventor
吴云强
车腊梅
丁琳
刘高洋
黄洁
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.)
Shanghai Institute of Satellite Equipment
Original Assignee
Shanghai Institute of Satellite Equipment
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 Shanghai Institute of Satellite Equipment filed Critical Shanghai Institute of Satellite Equipment
Priority to CN202311779199.8A priority Critical patent/CN117856111A/en
Publication of CN117856111A publication Critical patent/CN117856111A/en
Pending legal-status Critical Current

Links

Abstract

The invention provides a protection method and a system for a main power cable, which relate to the technical field of satellite circuit design and comprise the following steps: step S1, acquiring a wiring path of a main power cable; s2, determining the protection width of the routing path; and S3, protecting the wiring path of the main power cable in a mode of combining and splicing the insulating films. And S4, checking the protection setting condition of the insulating film according to the routing path of the main power cable. The secondary insulation relation between the main power cable and the star is established by attaching the adhesive insulating film, the operation is simple and reliable, the friendly tensile strength and the heat dissipation effect of the cable cannot be changed, the environment with higher heat dissipation requirement can be adapted, and the applicability is strong. The method can be suitable for various complex cable paths, and has reliable protection effect and strong universality.

Description

Protection method and system for main power cable
Technical Field
The invention relates to the technical field of satellite circuit design, in particular to a protection method and system for a main power cable, and particularly relates to a development technology of a satellite overall circuit product.
Background
The cable network component is used as an important component of aerospace products and is a neural network for realizing communication cooperation between each subsystem and load equipment. The main function of the main power cable is to bear high-power confluence transmission and influence the main cable passage of the whole star power supply safety, and in order to prevent the quality accident that the cable is damaged and the star structure is ignited, an insulation protection method is needed to be arranged between the main power cable and the star so as to ensure the reliability of power supply and distribution operation.
The traditional Chinese patent application document with the publication number of CN115189302A discloses a design method of an extra-high power cable for aerospace, which comprises the following steps: conducting wire and electric connector selection and electric contact design of the ultra-high power cable are carried out; performing end treatment on the wires of the ultra-high power cable by adopting a laser wire stripping mode; adopting tailless cover treatment for the electric connector of the ultra-high power cable; carrying out reliability test on the cable processed without the tail cover; binding the cables in a row type binding mode; fixing the cable by adopting an open type fixing bracket; the heat dissipation area of the cable is increased, and the temperature of the binding position of the cable is reduced; and carrying out a thermal balance test and an electrical property test on the cable.
In the prior art, the cable insulation protection is usually carried out from the cable protective sleeve, the damage probability of the cable is reduced by improving the used insulation material, and the physical characteristics of environment-friendly tensile strength, high temperature resistance, high pressure resistance and the like are improved. However, the cable insulation protective sleeve is obviously not applicable to some main power or high-voltage power cables with higher heat dissipation requirements, and has a problem to be improved.
Disclosure of Invention
In view of the drawbacks of the prior art, an object of the present invention is to provide a protection method and system for a main power cable.
The protection method for the main power cable provided by the invention comprises the following steps:
step S1, acquiring a wiring path of a main power cable;
s2, determining the protection width of the routing path;
and S3, protecting the wiring path of the main power cable in a mode of combining and splicing the insulating films.
Preferably, the main power cable comprises one or more of a solar array to power control device power cable, a battery to power control device power cable, a power control device to power distribution device power cable, and a battery to power distribution device power cable.
Preferably, for the step S1, the method for obtaining the routing path of the main power cable includes selecting a display mode to highlight the routing path of the main power cable by means of a cable digital layout three-dimensional model, and estimating the routing path of the main power cable by simulating the distribution position of the cable binding points on the star.
Preferably, the method for determining the protection width of the routing path for step S2 includes the following sub-steps:
s2.1, calculating the theoretical wire harness diameter of each main power cable in a binding protection processing mode through the contact information and the wire information of the main power cable;
s2.2, determining the theoretical harness diameter of a main power cable bundle on a certain cable routing path according to a multi-bundle cable circular binding bundling mathematical model;
step S2.3, widening the diameter of the main power cable bundle according to the calculated theoretical wire bundle diameter by 20-30% to obtain the film protection setting width.
Preferably, for step S2.1, the theoretical wire harness diameter for each main power cable is calculated:
d in i The theoretical wire harness diameter of a certain cable; n and d are the number of wires and the wire diameter of a single wire determined according to the contact information of the main power cable; k is a cable protection processing coefficient and is determined by a cable bundling mode.
Preferably, for step S2.2, determining a theoretical wire harness diameter of the main power cable harness on a certain cable routing path:
wherein D is the theoretical wire harness diameter of the cable harness; d (D) 1 ,D 2 ,D m The theoretical wire harness diameter of the 1 st, 2 nd and m th cables.
Preferably, a rectangular insulating film is used for the straight-line laying path in step S3, and is attached and stuck to the surface of the main power cable laying path by applying glue on the surface thereof.
Preferably, for the step S3, bending or bending the main power laying path, 2 to 3 rectangular insulating films are used to make the shape of the insulating films more fit the bending state of the cable in a combined splicing manner, and glue is coated on each insulating film to adhere the insulating film to the surface of the routing path of the cable laying.
Preferably, the method further comprises a step S4 of checking the protection setting condition of the insulating film according to the routing path of the main power cable.
The invention provides a protection system for a main power cable, which comprises the following modules:
step S1, a wiring path of a main power cable is obtained;
step S2, determining the protection width of the routing path;
step S3, a wiring path of the main power cable is protected in a mode of combining and splicing the insulating films;
and S4, checking the protection setting condition of the insulating film according to the routing path of the main power cable.
Compared with the prior art, the invention has the following beneficial effects:
1. the secondary insulation relation between the main power cable and the star is established by the method of attaching the adhesive insulating film, the operation is simple and reliable, the friendly tensile strength and the heat dissipation effect of the cable are not changed, the environment with higher heat dissipation requirements can be adapted, and the applicability is strong.
2. The method for protecting the main power cable path by combining and splicing the rectangular films can be suitable for various complex cable paths, and has reliable protection effect and strong universality.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a flow chart of a method of protecting a main power cable embodying the present invention;
FIG. 2 is a schematic diagram of a primary power cable bundle strapping state embodying the present invention;
FIG. 3 is a schematic diagram of preassembling an insulating film on a linear path according to the present invention;
FIG. 4 is a schematic diagram of the preassembly of an insulating film on a large curved path embodying the present invention;
FIG. 5 is a schematic diagram of the preassembly of an insulating film on a small curved path embodying the present invention;
fig. 6 is a schematic diagram of a state after the main power cable path protection arrangement according to the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.
As shown in fig. 1, the protection method for the main power cable provided by the invention comprises the following steps:
and S1, acquiring a routing path of the main power cable. The method for obtaining the wiring path of the main power cable comprises the steps of depending on a cable digital layout three-dimensional model, highlighting the wiring path of the main power cable in a mode of selecting a display mode through the model, and simulating and estimating the wiring path of the main power cable by combining the distribution position of the cable binding points on the star. Further, the main power cable includes one or more of a solar array to power control device power cable, a battery to power control device power cable, a power control device to power distribution device power cable, and a battery to power distribution device power cable.
It should be further noted that the three-dimensional model can be digitally laid out by means of the cable, the wiring path of the main power cable is highlighted in a mode of being selected to be hidden by the model, and finally the trend of the cable is determined according to the wiring layout of the main power cable on the three-dimensional model and along the binding position of the cable clamp on the satellite.
And S2, determining the protection width of the routing path. Specifically, the method for determining the protection width of the routing path comprises the following sub-steps:
and S2.1, calculating the theoretical wire harness diameter of each main power cable through the joint information, the wire information and the binding protection processing mode of the main power cable. More specifically, the theoretical harness diameter of each main power cable is calculated:
d in i The theoretical wire harness diameter of a certain cable; n and d are the number of wires and the wire diameter of a single wire determined according to the contact information of the main power cable; k is a cable protection processing coefficient and is determined by a cable bundling mode.
And S2.2, determining the theoretical harness diameter of the main power cable bundle on a certain cable routing path according to a multi-bundle cable circular binding bundling mathematical model. More specifically, determining the theoretical harness diameter of a main power cable bundle on a certain cable routing path, constructing a multi-bundle cable circular binding bundling mathematical model, and determining the theoretical harness diameter of the main power cable bundle on the certain cable routing path according to the following formula by equivalently using the sum of the sectional areas of a plurality of main power cables as the sectional area after the cables are bundled:
wherein D is the theoretical wire harness diameter of the cable harness; d (D) 1 ,D 2 ,D m The theoretical wire harness diameter of the 1 st, 2 nd and m th cables.
Step S2.3, widening the diameter of the main power cable bundle according to the calculated theoretical wire bundle diameter by 20-30% to obtain the film protection setting width.
And S3, protecting the wiring path of the main power cable in a mode of combining and splicing the insulating films. In particular, the straight run path uses a rectangular insulating film that is attached to the main power cabling path surface by dispensing glue on its surface. The main power is bent or bent to lay the path, two to three rectangular insulating films are used to make the shape of the insulating films more fit the bending state of the cable in a combined splicing mode, and glue is coated on each insulating film to adhere the insulating films to the surface of the routing path of the cable. It should be noted that the fasteners and equipment on the satellite need to be avoided by means of holes, slots, etc. when the protective film is laid.
And S4, checking the protection setting condition of the insulating film according to the routing path of the main power cable. When in inspection, the diameter of the wire harness of the main power cable is always within the protection range of the insulating film, and the splicing part between the films is ensured to be overlapped without leaving a gap, otherwise, the main power cable is judged to be unqualified.
The invention provides a protection system for a main power cable, which comprises the following modules:
step S1, a routing path of a main power cable is obtained.
And S2, determining the protection width of the routing path.
And S3, protecting the wiring path of the main power cable in a mode of combining and splicing the insulating films.
And S4, checking the protection setting condition of the insulating film according to the routing path of the main power cable.
According to the technical scheme, the secondary insulation relation between the main power cable and the star is established by using the method of attaching the adhesive insulating film, the operation is simple and reliable, and the friendly tensile strength and the heat dissipation effect of the cable cannot be changed. The method can be suitable for various complex cable paths, and has reliable protection effect and strong universality.
Those skilled in the art will appreciate that the invention provides a system and its individual devices, modules, units, etc. that can be implemented entirely by logic programming of method steps, in addition to being implemented as pure computer readable program code, in the form of logic gates, switches, application specific integrated circuits, programmable logic controllers, embedded microcontrollers, etc. Therefore, the system and various devices, modules and units thereof provided by the invention can be regarded as a hardware component, and the devices, modules and units for realizing various functions included in the system can also be regarded as structures in the hardware component; means, modules, and units for implementing the various functions may also be considered as either software modules for implementing the methods or structures within hardware components.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.
The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.

Claims (10)

1. A protection method for a main power cable, comprising the steps of:
step S1, acquiring a wiring path of a main power cable;
s2, determining the protection width of the routing path;
and S3, protecting the wiring path of the main power cable in a mode of combining and splicing the insulating films.
2. The protection method for a main power cable of claim 1, wherein the main power cable comprises one or more of a solar array to power control device power cable, a battery to power control device power cable, a power control device to power distribution device power cable, and a battery to power distribution device power cable.
3. The method for protecting a main power cable according to claim 1, wherein the method for obtaining the routing path of the main power cable for step S1 comprises highlighting the routing path of the main power cable by means of a cable digital layout three-dimensional model by selecting a display-hidden mode, and estimating the routing path of the main power cable by combining the distribution position simulation of cable binding points on a star.
4. The protection method for a main power cable according to claim 1, wherein the method of determining the protection width of the routing path for step S2 comprises the sub-steps of:
s2.1, calculating the theoretical wire harness diameter of each main power cable in a binding protection processing mode through the contact information and the wire information of the main power cable;
s2.2, determining the theoretical harness diameter of a main power cable bundle on a certain cable routing path according to a multi-bundle cable circular binding bundling mathematical model;
step S2.3, widening the diameter of the main power cable bundle according to the calculated theoretical wire bundle diameter by 20-30% to obtain the film protection setting width.
5. The protection method for main power cables according to claim 4, characterized in that for step S2.1, the theoretical wire harness diameter of each main power cable is calculated:
d in i The theoretical wire harness diameter of a certain cable; n and d are the number of wires and the wire diameter of a single wire determined according to the contact information of the main power cable; k is a cable protection processing coefficient and is determined by a cable bundling mode.
6. The method of claim 4, wherein for step S2.2, a theoretical harness diameter of the main power cable harness on a certain cable routing path is determined:
wherein D is the theoretical wire harness diameter of the cable harness; d (D) 1 ,D 2 ,D m The theoretical wire harness diameter of the 1 st, 2 nd and m th cables.
7. The protection method for a main power cable according to claim 1, wherein a rectangular insulating film is used for the straight-line laying path in step S3, and is attached and stuck to the surface of the main power cable laying path by applying glue on the surface thereof.
8. The protection method for a main power cable according to claim 1, wherein for the main power bending or bending laying path in step S3, two to three rectangular insulating films are used to make the shape of the insulating films more fit the bending state of the cable by means of combined splicing, and glue is applied to each insulating film to adhere the insulating films to the surface of the routing path on which the cable is laid.
9. The protection method for a main power cable according to claim 1, further comprising a step S4 of checking a protection setting condition of the insulating film according to a routing path of the main power cable.
10. Protection system for a main power cable, characterized in that it comprises the following modules for a protection method for a main power cable according to any one of claims 1-9:
step S1, a wiring path of a main power cable is obtained;
step S2, determining the protection width of the routing path;
step S3, a wiring path of the main power cable is protected in a mode of combining and splicing the insulating films;
and S4, checking the protection setting condition of the insulating film according to the routing path of the main power cable.
CN202311779199.8A 2023-12-21 2023-12-21 Protection method and system for main power cable Pending CN117856111A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311779199.8A CN117856111A (en) 2023-12-21 2023-12-21 Protection method and system for main power cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311779199.8A CN117856111A (en) 2023-12-21 2023-12-21 Protection method and system for main power cable

Publications (1)

Publication Number Publication Date
CN117856111A true CN117856111A (en) 2024-04-09

Family

ID=90544337

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311779199.8A Pending CN117856111A (en) 2023-12-21 2023-12-21 Protection method and system for main power cable

Country Status (1)

Country Link
CN (1) CN117856111A (en)

Similar Documents

Publication Publication Date Title
US9172226B2 (en) Multi-core cable and aligning method therefor
KR102135990B1 (en) Device and method for splicing shielded wire cables
JP6007857B2 (en) Flat wiring member and manufacturing method thereof
WO2014123117A1 (en) Electrical wiring structure, electrical connection structure, and method for manufacturing electrical wiring structure
US8303330B2 (en) Piercing connector for continuous flexible bus
CN109523912A (en) Display panel and display device
US20150027772A1 (en) Electromagnetic shielding tool and wire harness
CN203966662U (en) Differential transmission cable and multipair differential transmission cable
US20150136478A1 (en) Current return connecting loom and method for mounting on a composite fuselage frame
CN103855476A (en) Cable connector and cable assembly, and method of manufacturing cable assembly
CN103855542A (en) Cable connector, cable assembly, and method of manufacturing the cable assembly
US7678998B2 (en) Cable assembly
US20210024020A1 (en) Wiring member
CN203386938U (en) Connector sub-assembly, arrangement plate and cable connector
CN117856111A (en) Protection method and system for main power cable
TW201210158A (en) Electrical cable arrangement
JP2014175063A (en) Electrical wiring structure, electrical connection structure, and method for manufacturing electrical wiring structure
US10826200B2 (en) Power connector dedicated to heating film
KR20110006148A (en) Flexible flat cable
CN112421255B (en) Wire harness
JP2014011008A (en) Wire harness
TWI830195B (en) Temperature-resistant flexible flat cable and method for manufacturing thereof
JPS62105308A (en) Flat type wiring harness and manufacture of the same
JP5463948B2 (en) Multistage coaxial cable harness and manufacturing method thereof
Hasan et al. Development plan of Harness model for Small Satellites

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