CN116631681A - Ultra-long temperature-sensitive cable for fire protection and preparation method - Google Patents
Ultra-long temperature-sensitive cable for fire protection and preparation method Download PDFInfo
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- CN116631681A CN116631681A CN202310725404.6A CN202310725404A CN116631681A CN 116631681 A CN116631681 A CN 116631681A CN 202310725404 A CN202310725404 A CN 202310725404A CN 116631681 A CN116631681 A CN 116631681A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000004804 winding Methods 0.000 claims abstract description 119
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 210000005056 cell body Anatomy 0.000 claims abstract description 40
- 239000000835 fiber Substances 0.000 claims abstract description 28
- 238000001125 extrusion Methods 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 18
- 239000004917 carbon fiber Substances 0.000 claims abstract description 18
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 18
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 239000011241 protective layer Substances 0.000 claims abstract description 11
- 239000000919 ceramic Substances 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 29
- -1 polypropylene Polymers 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 229920001973 fluoroelastomer Polymers 0.000 claims description 15
- 239000000741 silica gel Substances 0.000 claims description 15
- 229910002027 silica gel Inorganic materials 0.000 claims description 15
- 239000002270 dispersing agent Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 11
- 239000004743 Polypropylene Substances 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 10
- 230000001070 adhesive effect Effects 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 10
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000002791 soaking Methods 0.000 claims description 5
- 210000004027 cell Anatomy 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 5
- 238000009826 distribution Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 45
- 238000005260 corrosion Methods 0.000 description 17
- 230000007797 corrosion Effects 0.000 description 17
- 239000010410 layer Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 230000007774 longterm Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011540 sensing material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1855—Sheaths comprising helical wrapped non-metallic layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1835—Sheaths comprising abrasive charges
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Insulated Conductors (AREA)
Abstract
The application belongs to the technical field of temperature-sensitive cables, in particular to an ultra-long temperature-sensitive cable for fire protection and a preparation method thereof, comprising a cell body for conduction, a winding net wrapped on the surface of the cell body and a composite protective layer wrapped on the winding net; the middle part of the winding net is formed by interweaving carbon fiber filaments and graphene fiber filaments in the radial direction and the longitudinal direction. According to the ultra-long temperature-sensitive cable for fire control and the preparation method, when the cable provided by the application is prepared, the automatic conveying mechanism, the winding mechanism and the extrusion mechanism are arranged, so that the automatic control of the conveying processing of the electric core is realized, the spiral winding connection operation of the winding net is also controlled in the automatic conveying, the wrapping forming operation is performed, the automation degree is high, the operation is convenient, the winding net formed by the carbon fiber filaments and the graphene fiber filaments is spirally wound and distributed on the circumferential surface of the electric core body, the service life of the temperature-sensitive cable is prolonged, and the damage maintenance rate is reduced.
Description
Technical Field
The application relates to the technical field of temperature-sensitive cables, in particular to an ultra-long temperature-sensitive cable for fire protection and a preparation method thereof.
Background
The temperature sensing cable, also called a linear temperature sensing fire detector, has the capability of continuously monitoring the temperature of a protection object along the whole length of a wire, generally, two elastic steel wires are arranged inside the temperature sensing cable, each steel wire is wrapped with a layer of temperature sensing and insulating material, in a normal monitoring state, the two steel wires are in an insulating state, when the temperature of the surrounding environment rises to a preset action temperature, the temperature sensing material is broken, the two steel wires can generate a short circuit, and an alarm is generated immediately after an input module detects a short circuit signal, thereby the temperature sensing cable belongs to a 'switching value' temperature sensing cable.
But current cable especially uses in the fire control field, carries out real-time transmission data through the electric core, and nevertheless the electric core skin of current cable all only wraps up one deck insulation or shielding material, easily leads to corrosion and wearing and tearing in long-term use to and easily lead to the high temperature in the fire control is caught fire, produces and softens, and then makes data unable transmission, has not played insulating effect, has reduced life.
For example, although the problem of electromagnetic shielding is solved, the temperature-sensing cable disclosed in the Chinese patent website with publication number CN 202816427U is obviously unable to reach the scene of fire-fighting application when used in the technical field of fire-fighting, and the temperature-sensing cable for fire-fighting is most critical in that the temperature-sensing cable still can normally provide relevant data of fire disaster when needing to take place fire disaster warning condition, so that fire fighters can make corresponding fire-fighting strategies timely and correctly, and therefore, the overlong temperature-sensing cable for fire-fighting and the preparation method are needed.
Disclosure of Invention
Based on the technical problems that the existing fire-fighting temperature-sensing cable is not high-temperature-resistant, wear-resistant and corrosion-resistant, the application provides an ultra-long temperature-sensing cable for fire fighting and a preparation method thereof.
The application provides an ultra-long temperature-sensing cable for fire protection and a preparation method thereof.
The middle part of winding net is formed by carbon fiber silk and graphene fiber silk through radial and vertical interweaving, the middle part both sides of winding net still are connected with polypropylene fiber silk, just the winding net is in the surface of electric core body carries out spiral winding connection.
The composite protective layer consists of a solution A and a solution B for soaking.
Preferably, the solution a comprises fluororubber and high temperature resistant silica gel.
The solution A also comprises a dispersing agent and an adhesive, wherein the mass percentage of the fluororubber is 25% -35%, the mass percentage of the high-temperature-resistant silica gel is 25% -35%, the mass percentage of the dispersing agent is 4% -8%, and the mass percentage of the adhesive is 4% -8%.
Preferably, the solution B comprises a flexible ceramic powder, a ceramic micropowder and a polytetrafluoroethylene solution.
The flexible ceramic powder comprises, by mass, 10% -16% of ceramic powder, 12% -18% of ceramic micro powder and 5% -12% of polytetrafluoroethylene solution.
Preferably, the preparation method comprises the following steps:
s1, conveying the battery cell, and inserting the battery cell body into the automatic conveying mechanism to automatically convey the battery cell body forwards to the winding mechanism.
S2, winding the winding net, and when the battery core body is conveyed to the inside of the winding mechanism, performing spiral winding on the arc surface of the battery core body while controlling the winding net to perform battery core conveying operation.
S3, wrapping and extrusion molding, wherein when the battery cell body is continuously conveyed, the winding net spirally wound on the surface is driven to enter and exit the extrusion mechanism together, the solution A and the solution B are controlled to be mixed through the mixing chamber, and then the mixture enters the extrusion mechanism to be poured and molded with the battery cell body spirally connected with the winding net.
Preferably, the automatic conveying mechanism comprises a mounting bearing seat, a main conveying shaft and a secondary conveying shaft, the opposite surfaces of the two mounting bearing seats are rotatably connected with the two ends of the main conveying shaft through bearings, a main conveying wheel is fixedly arranged on the circular arc surface of the main conveying shaft, a first friction pushing block is fixedly arranged on the circular arc inner wall of a groove of the main conveying wheel, a main conveying gear is fixedly arranged at one end of the main conveying shaft, a first driving motor is fixedly arranged at one side of one mounting bearing seat, and an output shaft of the first driving motor is fixedly arranged at the opposite end of the main conveying shaft through a coupler.
Preferably, the opposite surfaces of the other two mounting bearing seats are rotationally connected with two ends of the secondary conveying shaft through bearings, the secondary conveying wheel is fixedly arranged on the arc surface of the secondary conveying shaft, the second friction pushing block is fixedly arranged on the arc inner wall of the groove of the secondary conveying wheel, the surfaces of the second friction pushing block and the first friction pushing block are slidingly inserted into the arc surface of the battery cell body, the secondary conveying gear is fixedly arranged at one end of the secondary conveying shaft, and tooth grooves of the secondary conveying gear are meshed with tooth grooves of the primary conveying gear.
Preferably, the winding mechanism comprises a winding equipment box and connecting rods, one ends of a plurality of mounting bearing seats are fixedly mounted on the opposite surfaces of the winding equipment box, the battery cell body extends into the winding equipment box, the four connecting rods are uniformly distributed in a four-equally-distributed mode along the axis of the battery cell body, one ends of the four connecting rods are fixedly mounted on the opposite inner walls of the winding equipment box, driving rings are fixedly mounted on the other ends of the four connecting rods, an overhaul port is formed in one side of the winding equipment box, and an overhaul operation door is hinged to one side inner wall of the overhaul port.
Preferably, the inner wall of driving ring has seted up the drive spout, the inner wall slip grafting of drive spout has the drive slider, the one end fixed mounting of drive slider has the connecting plate, the equal fixed mounting in both ends surface of connecting plate has the connecting seat, two the opposite surface of connecting seat all is connected with the conveying axle through the bearing rotation, the circular arc fixed surface of conveying axle installs the delivery wheel, the surface of delivery wheel with the surface winding of winding net is connected, the one end of winding net with the circular arc fixed surface of electric core body bonds.
Preferably, a second driving motor is fixedly installed on one side surface of the connecting seat, an output shaft of the second driving motor is fixedly installed on the opposite surface of the conveying shaft through a coupler, a driving gear is fixedly installed at one end of the conveying shaft, a fixed limiting rod is fixedly installed on one side of the driving ring, a plurality of gear rings are fixedly installed at one ends of the fixed limiting rods, and tooth grooves of the gear rings are meshed with tooth grooves of the driving gear.
Preferably, the extrusion mechanism comprises an extrusion molding pipe and a mixing chamber, one end of the extrusion molding pipe is fixedly communicated with the opposite surface of the winding equipment box, and the bottom end of the mixing chamber is fixedly communicated with the top circular arc surface of the extrusion molding pipe.
The beneficial effects of the application are as follows:
1. the surface of the battery core body is firstly wound and connected with a layer of mesh network formed by carbon fiber wires and graphene fiber wires, the tensile property of the battery core body is enhanced by utilizing polypropylene fiber wires at two ends, the winding network is driven to be spirally wound on the surface of the battery core body in the process of conveying the battery core body in preparation, the operation of enhancing and protecting the battery core is performed, the characteristics of high temperature resistance, friction resistance, heat conduction and corrosion resistance of the carbon fiber wires and the graphene fiber wires are utilized to perform the operation of protecting the battery core, the abrasion or corrosion of the outer layer of the battery core in the long-term use of the traditional battery core is avoided, or the effect of damage caused by the fact that the battery core is not high-temperature resistant in fire-fighting firing is further caused by the fact that the battery core is exposed is further enhanced, and the service life of the battery core is prolonged.
2. By arranging the solution A, the wear resistance and corrosion resistance of the outer layer of the cable can be improved by utilizing the characteristics of the fluororubber and the high-temperature resistant silica gel, and the uniform dispersion of the fluororubber and the high-temperature resistant silica gel can be realized by utilizing the characteristics of the dispersing agent; the solution B is arranged to enhance the high temperature resistance of the outer layer of the cable by utilizing the self characteristics of the flexible ceramic powder and the ceramic micro powder material, and the oleophobic property brought by the tetrafluoroethylene solution is adopted, so that the friction coefficient of the cable is reduced.
3. The automatic conveying mechanism, the winding mechanism and the extrusion mechanism are arranged, so that the automatic control of the conveying processing of the battery core is realized when the cable of the application is prepared, the spiral winding connection operation of the winding net is also controlled in the automatic conveying, the wrapping forming operation is performed, the automation degree is high, the operation is convenient, the winding net formed by the carbon fiber wires and the graphene fiber wires is spirally wound and distributed on the circumferential surface of the battery core body, the service life of the temperature-sensitive cable is further prolonged, and the damage maintenance rate is reduced.
Drawings
FIG. 1 is a schematic diagram of a fire-fighting ultra-long temperature-sensing cable and a preparation method;
FIG. 2 is an exploded view of an ultra-long temperature-sensitive cable for fire protection and a preparation method;
FIG. 3 is a perspective view of the structure of a winding equipment box of the overlength temperature-sensitive cable for fire protection and the preparation method;
FIG. 4 is a perspective view of an automatic conveying mechanism of an ultra-long temperature-sensitive cable for fire protection and a preparation method;
FIG. 5 is a perspective view of a winding mechanism of an ultra-long temperature-sensitive cable for fire protection and a preparation method;
FIG. 6 is a perspective view of an extrusion mechanism of an ultra-long temperature-sensitive cable for fire protection and a preparation method thereof;
FIG. 7 is a perspective exploded view of a winding mechanism of an ultra-long temperature-sensitive cable for fire protection and a preparation method;
fig. 8 is an enlarged view of the structure of the ultra-long temperature-sensitive cable for fire protection and the preparation method shown in fig. 7 at a position A.
In the figure: 1. a cell body; 2. winding a net; 21. carbon fiber filaments; 22. graphene fiber filaments; 23. polypropylene fiber yarns; 3. a composite protective layer; 4. an automatic conveying mechanism; 41. installing a bearing seat; 42. a main conveying shaft; 43. a slave conveying shaft; 44. a main conveying wheel; 45. a first friction push block; 46. a main conveying gear; 47. a first driving motor; 48. from the transfer wheel; 49. a second friction push block; 410. a slave conveying gear; 5. a winding mechanism; 51. winding a device box; 52. a connecting rod; 53. a drive ring; 54. an access opening; 55. an access door; 56. driving the chute; 57. driving a sliding block; 58. a connecting plate; 59. a connecting seat; 510. a conveying shaft; 511. a conveying wheel; 512. a second driving motor; 513. a drive gear; 514. fixing a limit rod; 515. a gear ring; 6. an extrusion mechanism; 61. extruding and forming a tube; 62. a mixing chamber.
Description of the embodiments
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments.
Examples
Referring to fig. 1-2 and 8, an ultra-long temperature-sensing cable for fire protection, as shown in fig. 1 and 2, comprises a cell body 1 for conduction, a winding net 2 wrapped on the surface of the cell body 1, and a composite protective layer 3 wrapped on the winding net 2.
As shown in fig. 8, the middle part of the winding net 2 is formed by interweaving carbon fiber filaments 21 and graphene fiber filaments 22 in a radial and longitudinal direction, polypropylene fiber filaments 23 are further connected to two sides of the middle part of the winding net 2, and the winding net 2 is spirally wound and connected on the surface of the cell body 1.
Specifically, a layer of mesh network formed by carbon fiber wires 21 and graphene fiber wires 22 is wound and connected on the surface of the battery core body 1, the tensile property of the mesh network is enhanced by using polypropylene fiber wires 23 at two ends, the winding network 2 is driven to be spirally wound on the surface of the battery core body 1 in the process of conveying the battery core body 1 in preparation, the operation of enhancing and protecting the battery core is performed, the characteristics of high temperature resistance, friction resistance, heat conduction and corrosion resistance of the carbon fiber wires 21 and the graphene fiber wires 22 are utilized to perform the operation of protecting the battery core, and the abrasion or corrosion caused by the outer layer of the battery core in the long-term use of the traditional battery core or the damage caused by the fact that the battery core is not high-temperature resistant in fire-fighting and fire-fighting, so that the service life of the battery core is prolonged through the application.
The composite protective layer 3 is composed of a solution a and a solution B for soaking.
In order to better improve the wear resistance and corrosion resistance of the cable in use, the solution A contains fluororubber and high-temperature resistant silica gel; the solution A also comprises a dispersing agent and an adhesive, wherein the mass percentage of the fluororubber is 25%, the mass percentage of the high-temperature-resistant silica gel is 35%, the mass percentage of the dispersing agent is 4%, and the mass percentage of the adhesive is 4%.
Through setting up solution A, can realize utilizing the characteristic of fluororubber and high temperature resistant silica gel own material to improve the wear resistance and corrosion resistance of cable skin, the characteristic of reuse dispersant realizes that both evenly disperse.
In order to further enhance the high temperature resistance of the cable, the solution B comprises flexible ceramic powder, ceramic micro powder and polytetrafluoroethylene solution; the mass percentage of the flexible ceramic powder is 10 percent, the mass percentage of the ceramic micro powder is 12 percent, and the mass percentage of the polytetrafluoroethylene solution is 10 percent.
Specifically, the solution B is arranged to enhance the high temperature resistance of the outer layer of the cable by utilizing the self characteristics of the flexible ceramic powder and the ceramic micro powder material, and reduce the friction coefficient by adopting the oleophobicity caused by the tetrafluoroethylene solution.
Examples
Referring to fig. 1-2 and 8, an ultra-long temperature-sensing cable for fire protection, as shown in fig. 1 and 2, comprises a cell body 1 for conduction, a winding net 2 wrapped on the surface of the cell body 1, and a composite protective layer 3 wrapped on the winding net 2.
As shown in fig. 8, the middle part of the winding net 2 is formed by interweaving carbon fiber filaments 21 and graphene fiber filaments 22 in a radial and longitudinal direction, polypropylene fiber filaments 23 are further connected to two sides of the middle part of the winding net 2, and the winding net 2 is spirally wound and connected on the surface of the cell body 1.
Specifically, a layer of mesh network formed by carbon fiber wires 21 and graphene fiber wires 22 is wound and connected on the surface of the battery core body 1, the tensile property of the mesh network is enhanced by using polypropylene fiber wires 23 at two ends, the winding network 2 is driven to be spirally wound on the surface of the battery core body 1 in the process of conveying the battery core body 1 in preparation, the operation of enhancing and protecting the battery core is performed, the characteristics of high temperature resistance, friction resistance, heat conduction and corrosion resistance of the carbon fiber wires 21 and the graphene fiber wires 22 are utilized to perform the operation of protecting the battery core, and the abrasion or corrosion caused by the outer layer of the battery core in the long-term use of the traditional battery core or the damage caused by the fact that the battery core is not high-temperature resistant in fire-fighting and fire-fighting, so that the service life of the battery core is prolonged through the application.
The composite protective layer 3 is composed of a solution a and a solution B for soaking.
In order to better improve the wear resistance and corrosion resistance of the cable in use, the solution A contains fluororubber and high-temperature resistant silica gel; the solution A also comprises a dispersing agent and an adhesive, wherein the mass percentage of the fluororubber is 29%, the mass percentage of the high-temperature-resistant silica gel is 29%, the mass percentage of the dispersing agent is 6%, and the mass percentage of the adhesive is 6%.
Through setting up solution A, can realize utilizing the characteristic of fluororubber and high temperature resistant silica gel own material to improve the wear resistance and corrosion resistance of cable skin, the characteristic of reuse dispersant realizes that both evenly disperse.
In order to further enhance the high temperature resistance of the cable, the solution B comprises flexible ceramic powder, ceramic micro powder and polytetrafluoroethylene solution; the mass percentage of the flexible ceramic powder is 12%, the mass percentage of the ceramic micro powder is 12%, and the mass percentage of the polytetrafluoroethylene solution is 6%.
Specifically, the solution B is arranged to enhance the high temperature resistance of the outer layer of the cable by utilizing the self characteristics of the flexible ceramic powder and the ceramic micro powder material, and reduce the friction coefficient by adopting the oleophobicity caused by the tetrafluoroethylene solution.
Examples
Referring to fig. 1-2 and 8, an ultra-long temperature-sensing cable for fire protection, as shown in fig. 1 and 2, comprises a cell body 1 for conduction, a winding net 2 wrapped on the surface of the cell body 1, and a composite protective layer 3 wrapped on the winding net 2.
As shown in fig. 8, the middle part of the winding net 2 is formed by interweaving carbon fiber filaments 21 and graphene fiber filaments 22 in a radial and longitudinal direction, polypropylene fiber filaments 23 are further connected to two sides of the middle part of the winding net 2, and the winding net 2 is spirally wound and connected on the surface of the cell body 1.
Specifically, a layer of mesh network formed by carbon fiber wires 21 and graphene fiber wires 22 is wound and connected on the surface of the battery core body 1, the tensile property of the mesh network is enhanced by using polypropylene fiber wires 23 at two ends, the winding network 2 is driven to be spirally wound on the surface of the battery core body 1 in the process of conveying the battery core body 1 in preparation, the operation of enhancing and protecting the battery core is performed, the characteristics of high temperature resistance, friction resistance, heat conduction and corrosion resistance of the carbon fiber wires 21 and the graphene fiber wires 22 are utilized to perform the operation of protecting the battery core, and the abrasion or corrosion caused by the outer layer of the battery core in the long-term use of the traditional battery core or the damage caused by the fact that the battery core is not high-temperature resistant in fire-fighting and fire-fighting, so that the service life of the battery core is prolonged through the application.
The composite protective layer 3 is composed of a solution a and a solution B for soaking.
In order to better improve the wear resistance and corrosion resistance of the cable in use, the solution A contains fluororubber and high-temperature resistant silica gel; the solution A also comprises a dispersing agent and an adhesive, wherein the mass percentage of the fluororubber is 30%, the mass percentage of the high-temperature-resistant silica gel is 25%, the mass percentage of the dispersing agent is 7%, and the mass percentage of the adhesive is 7%.
Through setting up solution A, can realize utilizing the characteristic of fluororubber and high temperature resistant silica gel own material to improve the wear resistance and corrosion resistance of cable skin, the characteristic of reuse dispersant realizes that both evenly disperse.
In order to further enhance the high temperature resistance of the cable, the solution B comprises flexible ceramic powder, ceramic micro powder and polytetrafluoroethylene solution; the mass percentage of the flexible ceramic powder is 15%, the mass percentage of the ceramic micro powder is 13%, and the mass percentage of the polytetrafluoroethylene solution is 7%.
Specifically, the solution B is arranged to enhance the high temperature resistance of the outer layer of the cable by utilizing the self characteristics of the flexible ceramic powder and the ceramic micro powder material, and reduce the friction coefficient by adopting the oleophobicity caused by the tetrafluoroethylene solution.
Examples
Referring to fig. 3 to 7, in order to realize the molding and manufacturing of the temperature-sensitive cable, a preparation method of an ultra-long temperature-sensitive cable for fire protection is provided, and the preparation method comprises the following steps:
s1, conveying the battery cell, namely inserting the battery cell body 1 into the automatic conveying mechanism 4 for automatic forward conveying to the winding mechanism 5.
As shown in fig. 3-4, further, by providing the automatic conveying mechanism 4 including the mounting bearing blocks 41 and the main conveying shaft 42 and the auxiliary conveying shaft 43, the opposite surfaces of the two mounting bearing blocks 41 are both rotatably connected with the two ends of the main conveying shaft 42 through bearings, the main conveying wheel 44 is fixedly mounted on the circular arc surface of the main conveying shaft 42, the first friction pushing block 45 is fixedly mounted on the circular arc inner wall of the groove of the main conveying wheel 44, the main conveying gear 46 is fixedly mounted on one end of the main conveying shaft 42, the first driving motor 47 is fixedly mounted on one side of one of the mounting bearing blocks 41, and the output shaft of the first driving motor 47 is fixedly mounted on the opposite end of the main conveying shaft 42 through a coupling.
Specifically, the first driving motor 47 is used to drive the main conveying shaft 42 to rotate towards the conveying end of the cell body 1, so that the main conveying wheel 44 is controlled to rotate and the main conveying gear 46 is controlled to rotate simultaneously, and the first friction pushing block 45 with the driving surface in the rotation of the main conveying wheel 44 extrudes the arc surface of the cell body 1 to enable the arc surface to push forwards for conveying.
The opposite surfaces of the other two mounting bearing seats 41 are rotationally connected with the two ends of the secondary conveying shaft 43 through bearings, the secondary conveying wheel 48 is fixedly arranged on the arc surface of the secondary conveying shaft 43, the second friction pushing block 49 is fixedly arranged on the arc inner wall of the groove of the secondary conveying wheel 48, the surfaces of the second friction pushing block 49 and the first friction pushing block 45 are in sliding connection with the arc surface of the battery cell body 1, the secondary conveying gear 410 is fixedly arranged at one end of the secondary conveying shaft 43, and tooth grooves of the secondary conveying gear 410 are meshed with tooth grooves of the main conveying gear 46.
Specifically, the main conveying gear 46 rotates to drive the auxiliary conveying gear 410 to rotate under engagement, so that the auxiliary conveying wheel 48 is controlled to rotate towards the conveying end of the cell body 1, and the second friction pushing block 49 is driven to push the bottom arc surface of the cell body 1, so that the cell body 1 is conveyed in a forward pushing motion.
S2, winding the winding net 2, and when the battery core body 1 is conveyed into the winding mechanism 5, performing the battery core conveying operation and controlling the winding net 2 to spirally wind on the arc surface of the battery core body 1.
As shown in fig. 5 and 7, in order to perform the spiral conveying winding operation of the winding net 2, the winding mechanism 5 includes a winding equipment box 51 and connecting rods 52, one ends of a plurality of mounting bearing seats 41 are fixedly mounted on opposite surfaces of the winding equipment box 51, the battery core body 1 extends into the winding equipment box 51, four connecting rods 52 are distributed in a quarter-divided arrangement with the axis of the battery core body 1, one ends of the four connecting rods 52 are fixedly mounted on opposite inner walls of the winding equipment box 51, driving rings 53 are fixedly mounted on the other ends of the four connecting rods 52, an access opening 54 is formed in one side of the winding equipment box 51, and an access operation door 55 is hinged to one side inner wall of the access opening 54.
Specifically, before winding connection, the maintenance operation door 55 is opened, then one end of the winding net 2 is controlled to be adhered to the surface of the battery core body 1, and when the maintenance operation door 55 is closed, the winding net 2 is controlled to perform circular motion and automatic conveying cooperation operation under the condition of the driving ring 53 and taking the axis of the battery core body 1 as the center of a circle, so that the winding net is in threaded winding connection operation.
In order to control the winding net 2 to perform circular motion operation, a driving sliding groove 56 is formed in the inner wall of the driving ring 53, a driving sliding block 57 is slidably inserted into the inner wall of the driving sliding groove 56, one end of the driving sliding block 57 is fixedly provided with a connecting plate 58, two end surfaces of the connecting plate 58 are fixedly provided with connecting seats 59, opposite surfaces of the two connecting seats 59 are rotatably connected with a conveying shaft 510 through bearings, a conveying wheel 511 is fixedly arranged on the circular arc surface of the conveying shaft 510, the surface of the conveying wheel 511 is in winding connection with the surface of the winding net 2, and one end of the winding net 2 is fixedly bonded with the circular arc surface of the battery cell body 1.
Specifically, the driving sliding block 57 is utilized to perform circumferential sliding on the inner wall of the driving sliding groove 56 to drive the connecting plate 58 to perform circumferential movement, so that under the rotary conveying of the conveying wheel 511, the winding net 2 is controlled to perform conveying operation, and further, in the forward conveying operation of the battery cell body 1, the winding net 2 performs circumferential movement by taking the axle center of the battery cell body 1 as the circle center, so that the winding net 2 performs thread winding connection on the surface of the battery cell body 1.
A second driving motor 512 is fixedly arranged on one side surface of one connecting seat 59, an output shaft of the second driving motor 512 is fixedly arranged on the opposite surface of the conveying shaft 510 through a coupler, a driving gear 513 is fixedly arranged at one end of the conveying shaft 510, a fixed limiting rod 514 is fixedly arranged on one side of the driving ring 53, a gear ring 515 is fixedly arranged at one end of each of the fixed limiting rods 514, tooth grooves of the gear ring 515 are meshed with tooth grooves of the driving gear 513,
specifically, the second driving motor 512 is used to operate to drive the conveying shaft 510 to rotate, so that the driving gear 513 rotates, under the sliding limit of the driving sliding block 57 and the driving sliding groove 56, the driving gear 513 is meshed with the gear ring 515 in rotation, so that the driving gear 513 is controlled to walk in the gear ring 515, the connecting plate 58 is driven to perform circular motion, the winding net 2 is driven to perform circular motion winding operation, and the surface of the battery core body 1 is spirally wound to be connected with the winding net 2, so that continuous conveying operation is performed.
S3, wrapping and extrusion molding, wherein when the battery cell body 1 is continuously conveyed, the winding net 2 with the spirally wound surface is driven to enter and exit the extrusion mechanism 6 together, the solution A and the solution B are controlled to be mixed through the mixing chamber 62, and then the mixture enters the extrusion mechanism 6 to be poured and molded with the battery cell body 1 spirally connected with the winding net 2.
As shown in fig. 6, the extrusion mechanism 6 includes an extrusion tube 61 and a mixing chamber 62, one end of the extrusion tube 61 is fixedly communicated with the opposite surface of the winding apparatus box 51, and the bottom end of the mixing chamber 62 is fixedly communicated with the top circular arc surface of the extrusion tube 61.
Specifically, the surface spiral winding of the cell body 1 is controlled by the automatic conveying mechanism 4 to be connected with the winding net 2 and conveyed into the extrusion molding pipe 61, and the mixed solution A and the solution B in the mixing chamber 62 are controlled to flow into the extrusion molding pipe 61 to perform molding operation of wrapping the cell body 1 and the winding net 2.
The automatic conveying mechanism 4, the winding mechanism 5 and the extruding mechanism 6 are arranged, so that the automatic control of the conveying processing of the electric core is realized when the cable is prepared, the spiral winding connection operation of the winding net 2 is also controlled in the automatic conveying, the wrapping forming operation is performed, the automation degree is high, the operation is convenient, the winding net 2 formed by the carbon fiber wires 21 and the graphene fiber wires 22 is spirally wound and distributed on the circumferential surface of the electric core body 1, the service life of the temperature-sensitive cable is further prolonged, and the damage maintenance rate is reduced.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (10)
1. An ultralong temperature-sensitive cable for fire control, which is characterized in that: the battery cell comprises a battery cell body (1) for conduction, a winding net (2) wrapped on the surface of the battery cell body (1) and a composite protective layer (3) wrapped on the winding net (2);
the middle part of the winding net (2) is formed by interweaving carbon fiber filaments (21) and graphene fiber filaments (22) in the radial direction and the longitudinal direction, polypropylene fiber filaments (23) are connected to two sides of the middle part of the winding net (2), and the winding net (2) is spirally wound and connected on the surface of the cell body (1);
the composite protective layer (3) consists of a solution A and a solution B for soaking.
2. The ultra-long temperature-sensitive cable for fire protection according to claim 1, wherein: the solution A comprises fluororubber and high-temperature resistant silica gel;
the solution A also comprises a dispersing agent and an adhesive, wherein the mass percentage of the fluororubber is 25% -35%, the mass percentage of the high-temperature-resistant silica gel is 25% -35%, the mass percentage of the dispersing agent is 4% -8%, and the mass percentage of the adhesive is 4% -8%.
3. The ultra-long temperature-sensitive cable for fire protection according to claim 1, wherein: the solution B comprises flexible ceramic powder, ceramic micro powder and polytetrafluoroethylene solution;
the flexible ceramic powder comprises, by mass, 10% -16% of ceramic powder, 12% -18% of ceramic micro powder and 5% -12% of polytetrafluoroethylene solution.
4. The method for manufacturing the ultra-long temperature-sensing cable for fire protection according to claim 1, wherein the method comprises the following steps: the preparation method comprises the following steps:
s1, conveying the battery core, namely splicing the battery core body (1) in the automatic conveying mechanism (4) to automatically convey the battery core body forward to the interior of the winding mechanism (5);
s2, winding the winding net (2), and when the battery core body (1) is conveyed into the winding mechanism (5), performing a battery core conveying operation and controlling the winding net (2) to spirally wind on the arc surface of the battery core body (1);
s3, wrapping and extrusion molding, wherein when the battery cell body (1) is continuously conveyed, the winding net (2) with the spirally wound surface is driven to enter and exit the extrusion mechanism (6) together, the solution A and the solution B are controlled to be mixed through the mixing chamber (62), and then the mixture enters the extrusion mechanism (6) to be poured and molded with the battery cell body (1) spirally connected with the winding net (2).
5. The method for manufacturing the ultra-long temperature-sensing cable for fire protection according to claim 4, wherein the method comprises the following steps: automatic conveying mechanism (4) are including installation bearing frame (41) and main conveying axle (42) and follow conveying axle (43), two the opposite surface of installation bearing frame (41) all through the bearing with the both ends rotation of main conveying axle (42) are connected, the circular arc surface fixed mounting of main conveying axle (42) has main delivery wheel (44), the recess circular arc inner wall fixed mounting of main delivery wheel (44) has first friction push block (45), the one end fixed mounting of main conveying axle (42) has main conveying gear (46), one of them one side fixed mounting of installation bearing frame (41) has first driving motor (47), the output shaft of first driving motor (47) with the opposite one end of main conveying axle (42) passes through shaft coupling fixed mounting.
6. The method for manufacturing the ultra-long temperature-sensing cable for fire protection according to claim 5, wherein the method comprises the following steps: the other two opposite surfaces of the mounting bearing seat (41) are rotationally connected with two ends of the secondary conveying shaft (43) through bearings, a secondary conveying wheel (48) is fixedly mounted on the circular arc surface of the secondary conveying shaft (43), a second friction pushing block (49) is fixedly mounted on the circular arc inner wall of a groove of the secondary conveying wheel (48), the surfaces of the second friction pushing block (49) and the surfaces of the first friction pushing block (45) are slidingly inserted into the circular arc surface of the battery cell body (1), a secondary conveying gear (410) is fixedly mounted at one end of the secondary conveying shaft (43), and tooth grooves of the secondary conveying gear (410) are meshed with tooth grooves of the primary conveying gear (46).
7. The method for manufacturing the ultra-long temperature-sensing cable for fire protection according to claim 5, wherein the method comprises the following steps: winding mechanism (5) are including winding equipment box (51) and connecting rod (52), a plurality of the one end of installation bearing frame (41) all with the relative fixed surface installation of winding equipment box (51), electric core body (1) extend into the inside of winding equipment box (51), four connecting rod (52) all with the axle center of electric core body (1) carries out quarter arrangement distribution, four the one end of connecting rod (52) all with the relative inner wall fixed mounting of winding equipment box (51), four the equal fixed mounting of the other end of connecting rod (52) has driving ring (53), access hole (54) have been seted up to one side of winding equipment box (51), access hole (54) one side inner wall articulates has access operation door (55).
8. The method for manufacturing the ultra-long temperature-sensing cable for fire protection according to claim 7, wherein the method comprises the following steps: the utility model discloses a battery cell structure, including driving ring (53), connecting plate (58), connecting seat (59), arc surface fixed mounting of conveying axle (510), conveying wheel (511) have been seted up to the inner wall of driving ring (53), the inner wall slip grafting of driving chute (56) has drive slider (57), the one end fixed mounting of drive slider (57) has connecting plate (58), the equal fixed mounting in both ends surface of connecting plate (58) has connecting seat (59), two the opposite surface of connecting seat (59) all rotates through the bearing and is connected with conveying axle (510), the arc surface fixed mounting of conveying axle (510) has conveying wheel (511), the surface of conveying wheel (511) with the surface winding of winding net (2) is connected, the one end of winding net (2) with the arc surface fixed bonding of electric core body (1).
9. The method for manufacturing the ultra-long temperature-sensing cable for fire protection according to claim 8, wherein the method comprises the following steps: one side surface fixed mounting of connecting seat (59) has second driving motor (512), the output shaft of second driving motor (512) pass through the shaft coupling with the relative surface fixed mounting of conveying axle (510), the one end fixed mounting of conveying axle (510) has driving gear (513), one side fixed mounting of driving ring (53) has fixed gag lever post (514), a plurality of the equal fixed mounting of one end of fixed gag lever post (514) has ring gear (515), the tooth's socket of ring gear (515) with the tooth's socket meshing of driving gear (513).
10. The method for manufacturing the ultra-long temperature-sensing cable for fire protection according to claim 7, wherein the method comprises the following steps: the extrusion mechanism (6) comprises an extrusion molding pipe (61) and a mixing chamber (62), one end of the extrusion molding pipe (61) is fixedly communicated with the opposite surface of the winding equipment box (51), and the bottom end of the mixing chamber (62) is fixedly communicated with the top circular arc surface of the extrusion molding pipe (61).
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| CN202310725404.6A CN116631681B (en) | 2023-06-19 | 2023-06-19 | Ultra-long temperature-sensitive cable for fire protection and preparation method |
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| CN215896035U (en) * | 2021-08-04 | 2022-02-22 | 无锡市登峰电缆有限公司 | Flexible high-temperature-resistant insulating fireproof cable |
| CN115491801A (en) * | 2022-11-22 | 2022-12-20 | 天津红晨岛服饰有限公司 | Graphene, carbon fiber and silica gel composite heat-preservation spinning thread and preparation method thereof |
| CN219040109U (en) * | 2023-02-10 | 2023-05-16 | 广东华洋电缆实业有限公司 | High-strength fracture-preventing cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07153323A (en) * | 1993-12-02 | 1995-06-16 | Showa Electric Wire & Cable Co Ltd | Electric cable |
| CN208093222U (en) * | 2018-05-13 | 2018-11-13 | 黄海线缆制造有限公司 | A kind of power cable that anti-animal bites |
| CN213242004U (en) * | 2020-10-15 | 2021-05-18 | 四川省川中线缆有限公司 | High-mechanical-strength tensile power cable |
| CN215896035U (en) * | 2021-08-04 | 2022-02-22 | 无锡市登峰电缆有限公司 | Flexible high-temperature-resistant insulating fireproof cable |
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| CN116631681B (en) | 2024-03-12 |
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