CN117334392B - B1-level flame-retardant fire-resistant anti-aging special cable for fire safety - Google Patents
B1-level flame-retardant fire-resistant anti-aging special cable for fire safety Download PDFInfo
- Publication number
- CN117334392B CN117334392B CN202311415431.XA CN202311415431A CN117334392B CN 117334392 B CN117334392 B CN 117334392B CN 202311415431 A CN202311415431 A CN 202311415431A CN 117334392 B CN117334392 B CN 117334392B
- Authority
- CN
- China
- Prior art keywords
- bracket
- mounting
- plate
- cable
- unit
- 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.)
- Active
Links
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
- H01B7/40—Insulated conductors or cables characterised by their form with arrangements for facilitating mounting or securing
-
- 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
-
- 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
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to 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
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The application discloses a B1-level flame-retardant fire-resistant anti-aging special cable for fire safety, which comprises a cable body and a bracket unit, wherein the bracket unit comprises a first bracket and a plurality of second brackets, and a clamping unit for clamping the cable body is arranged at the first bracket. According to the cable disclosed by the application, the cable body cladding has better flame retardant property, fire resistance and ageing resistance, the bracket unit is used for protecting the cable body, the upper and lower strip-shaped heat dissipation holes can be used for realizing upward flow of heat dissipation air flow, mice are not easy to enter, the cable body is clamped by the clamping unit, the second bracket can be singly dismantled, the cable body is still clamped by the clamping unit and cannot fall off, so that the cable is convenient to maintain, the fixed position of each bracket can be used for realizing temperature measurement, not only can the good temperature measurement be realized, but also the good clamping and fixing of the cable body are realized, and the rat prevention monitoring and the anti-falling monitoring on the cable body can be realized through the detection unit.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a B1-level flame-retardant fire-resistant anti-aging special cable for fire safety.
Background
The cable is a wire product for transmitting electric energy and information and realizing electromagnetic energy conversion, and is applied to an electric power system, an information transmission system and an instrument system for connecting circuits and electric appliances. With the continuous expansion of the industries such as the power industry, the urban rail transit industry, the data communication industry, the automobile industry, shipbuilding and the like in China, the cable is used as a main carrier for electric energy or signal transmission, and the use amount of the cable is also rapidly increased.
The existing cable is easy to bite by mice in the actual use process, the outer sheath of the cable can be bitten in the long term, the service life and the use effect of the cable are affected, if the damaged part is not found and maintained in time, the frequent biting of the mice can even cause the damage of the internal structure of the cable, and finally the cable cannot normally run. And fire resistance and flame retardant property of current cable are still weaker, when taking place the fire, burn out the cable easily, if not in time discover, the cable burns always and can spread to the inflammable on every side, lead to the condition of a fire serious, especially to the comparatively concentrated place that air density is low of personnel, can not only cause great loss of property in case of having a fire disaster, but also can threat people's life safety, and can produce poisonous gas and more drips when the cable burns, cause the injury easily to the fire fighter, increase the rescue degree of difficulty simultaneously, and in the cable conflagration now, most are caused by ageing and overload of cable, consequently, the requirement to cable insulation, sheath material is also higher. In addition, some cables are arranged in the brackets, and although the cables can play a certain role in protecting, the heat dissipation effect in the brackets is poor, the long-term operation of the cables is not facilitated, and when the brackets are required to be opened for maintenance, the opening mode of the brackets is often complex, some brackets are opened from the upper part, and the maintenance operation of the cables is inconvenient.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a B1-level flame-retardant fire-resistant anti-aging special cable for fire safety.
In order to achieve the above object, the present invention provides the following technical solutions: the cable comprises a cable body and a bracket unit, wherein the cable body sequentially comprises an outer protective layer, an armor layer, a flame retardant layer, an oxygen isolation layer, a shielding layer and a wrapping layer from outside to inside, a cable core unit and a filling rope are arranged in the wrapping layer, and the cable core unit sequentially comprises an insulating layer, a cable core wrapping layer and a conductor from outside to inside; the bracket unit comprises a first bracket and a plurality of second brackets positioned below the first bracket, wherein a clamping unit for clamping the cable body is arranged at the first bracket.
Further, the outer protective layer is a low-smoke halogen-free flame-retardant outer protective layer; the armor is a steel tape armor.
Thereby improving the ageing resistance and mechanical strength of the cable, and no toxic gas is generated when the cable burns.
Further, the flame retardant layer is a halogen-free tape wrapping layer; the shielding layer is a copper wire braided shielding layer.
Thus, the cable cladding has better flame retardant property and shielding property.
Further, the wrapping layer is a polyester tape wrapping layer; the insulating layer is a crosslinked polyethylene insulating layer; the cable core cladding is a calcined mica tape wrapping layer; the conductor is a copper conductor.
Therefore, the cable has better high-temperature resistance and fire resistance and long service life.
Further, the first bracket comprises a top plate, two first side plates fixedly connected with the top plate and two extension plates respectively fixed on two sides of the top plate; the second bracket comprises a bottom plate and two second side plates fixedly connected with the bottom plate, the first side plates are provided with mounting studs, the second side plates are provided with mounting stud perforations which can be penetrated by the mounting studs, and the mounting studs are provided with mounting nuts for fixing the first side plates and the second side plates.
Therefore, the plurality of second brackets are fixedly connected below the first bracket through the matching of the mounting studs and the mounting nuts, and the second brackets are convenient to assemble and disassemble. Because the plate has certain elasticity, the second side plate of the second bracket can be slightly pulled outwards during installation, so that the installation stud perforation can be matched with a corresponding installation stud for installation.
Further, the bottom end of the first side plate is provided with a first step part, the mounting stud is positioned at the first step part, the top end of the second side plate is provided with a second step part, and the mounting stud perforation is positioned at the second step part.
So that the second bracket and the first bracket realize stable connection, and the second bracket is installed more firmly.
Further, the top plate is provided with a plurality of first strip-shaped heat dissipation holes, and the bottom plate is provided with a plurality of second strip-shaped heat dissipation holes.
Thereby realizing good heat dissipation and realizing the heat dissipation of the air flow from bottom to top.
Further, the number of the cable bodies is a plurality; the first bracket is provided with a plurality of bracket fixing positions along the length direction of the first bracket, each bracket fixing position is provided with one second bracket, each bracket fixing position of the first bracket is provided with a plurality of clamping units, the plurality of clamping units are distributed in a rectangular array and are divided into a plurality of rows and a plurality of columns, and the clamping units in the same column are used for clamping the same cable body; the clamping unit comprises an arc-shaped enclosing plate with a notch at the bottom, a fixed plate positioned above the arc-shaped enclosing plate and two vertical plates connected with the arc-shaped enclosing plate and the fixed plate, and the fixed plate is fixedly connected with the top plate.
Thereby can realize fine centre gripping fixed to the cable body through a plurality of clamping units.
Further, the fixing plate is fixedly connected with the top plate through bolts.
Further, the bracket unit further comprises a plurality of detection units, wherein the number of the detection units is equal to that of the second brackets and corresponds to that of the second brackets one by one; the outer protective layer of the cable body is provided with a groove part extending along the length direction of the cable body, the groove part comprises a containing groove with a circular cross section and a connecting groove communicated with the containing groove, the clamping unit further comprises a protruding part, and the protruding part comprises an embedded part embedded in the containing groove and a connecting part for connecting the embedded part and the cambered surface surrounding plate; the fixing plate is provided with a first through hole; among the plurality of clamping units distributed in the rectangular array corresponding to each second bracket, one row of the clamping units at the most end part are end part clamping units, a temperature measurement blind hole is formed in the end part clamping unit, the top end of the temperature measurement blind hole is positioned on the surface of the arc surface coaming, and the bottom end of the temperature measurement blind hole is positioned at the embedded part; each bracket fixing position of the first bracket is provided with a mounting groove, the mounting groove is provided with a plurality of second through holes, the number of the second through holes is equal to that of the end clamping units, and each second through hole is communicated with one first through hole; the detection unit comprises a mounting plate fixedly mounted at the mounting groove, a control box fixed on the upper surface of the mounting plate and a plurality of mounting seats positioned below the mounting plate, wherein the mounting seats are provided with temperature measurement units, the number of the mounting seats is equal to that of the end clamping units and corresponds to that of the end clamping units one by one, and each temperature measurement unit is inserted into one temperature measurement blind hole; the mounting seat is provided with a positioning hole, a positioning column fixedly connected with the mounting plate is inserted into the positioning hole, and a spring for connecting the mounting plate and the mounting seat is enclosed at the positioning column; and a control unit and a communication unit are arranged in the control box.
Therefore, the arc surface coaming can clamp the cable body, the embedded part and the accommodating groove are matched to support and fix the cable body, and the embedded part is embedded into the outer protection layer, so that the temperature of the cable can be transferred into the embedded part. The temperature measuring unit can stretch into the temperature measuring blind hole for measuring the temperature, the temperature measurement is more accurate, and the spring ensures that the temperature measuring head of the temperature measuring unit is abutted with the end part of the temperature measuring blind hole.
Further, the protruding portion and the cambered surface surrounding plate are both made of a metal material.
Thereby increasing the intensity of the clamping unit and ensuring more firm clamping.
Further, one end of the spring is connected with the mounting plate, and the other end of the spring is connected with the mounting seat.
So that the spring is fixedly connected between the mounting plate and the mounting seat.
Further, two ends of the mounting groove are provided with strip-shaped through grooves, two ends of the mounting plate are fixedly provided with inserting blocks capable of being inserted into the strip-shaped through grooves, one of the two inserting blocks at two ends of the mounting plate is a transmitting inserting block, the other inserting block is a receiving inserting block, all the transmitting inserting blocks are close to one of the first side plates of the first bracket, and all the receiving inserting blocks are close to the other first side plate of the first bracket; the bottom end of the transmitting plug block is fixedly provided with a first transmitting installation block and a second transmitting installation block, a first laser transmitter is installed at the first transmitting installation block, a second laser transmitter is installed at the second transmitting installation block, the bottom end of the receiving plug block is fixedly provided with a first receiving installation block and a second receiving installation block, a first light receiver is installed at the first receiving installation block, and a second light receiver is installed at the second receiving installation block; the light of the first laser transmitter can be used for being received by a first light receiver at the fixing position of one adjacent bracket; the light of the second laser transmitter can be used to be received by a second light receiver at one of the spaced apart bracket fixation locations.
Thus, by the cooperation of the first laser transmitter and the first optical receiver and the cooperation of the second laser transmitter and the second optical receiver, an optical path can be formed, which can be detected when a mouse is present.
Further, the included angles between the light of the first laser transmitter and the light of the second laser transmitter and the cable body are different, but the directions are the same.
Further, two fixing studs are fixed at the bottom ends of the transmitting plug block and the receiving plug block, fixing nuts are arranged at the fixing studs, and fixing stud penetrating holes penetrated by the fixing studs are arranged at the first transmitting mounting block, the second transmitting mounting block, the first receiving mounting block and the second receiving mounting block.
Therefore, the mounting angles of the first transmitting mounting block, the second transmitting mounting block, the first receiving mounting block and the second receiving mounting block can be adjusted, so that the light path can be adjusted conveniently during mounting.
Further, for any one of the carrier mounting locations, all of the cable bodies are located between the transmitting plug and the receiving plug.
Therefore, the optical paths of the first laser emitter and the second laser emitter can obliquely span all the cable bodies, and monitoring protection of all the cable bodies is realized.
Further, the temperature measuring unit is a thermocouple temperature measuring unit.
Thereby the temperature detection is more accurate and reliable.
Further, the mounting plate is fixedly connected with the top plate through bolts.
Further, each mounting seat is provided with 4 positioning holes.
Further, each of the tray units has 5 or more second trays.
Further, the length of the second bracket is greater than or equal to 2 meters.
Further, the extension plate is provided with a plurality of mounting through holes.
Thereby facilitating the fixed installation of the cable.
Further, the communication unit is a wireless communication unit.
Thereby facilitating remote communication through the wireless communication unit.
Further, still include total accuse unit, total accuse unit can communicate with all control unit, total accuse unit can control and carry out protection against rodents monitoring operation, in the protection against rodents monitoring operation, all first laser emitter, second laser emitter, first optical receiver and second optical receiver all open.
Thereby controlling the execution of the rat-proof monitoring operation through the master control unit.
Further, the rat-proof monitoring operation is executed once every set time, and each time the rat-proof monitoring operation is executed for a set time length.
Further, for any one of the bracket fixing positions, when the measured value of one of the temperature measuring units is smaller than the measured value of the other temperature measuring units and is smaller than the set temperature value, the master control unit controls all the second laser transmitters and the second optical receivers to be started.
Therefore, the cable body falling on the second bracket can be detected, and faults can be found in time.
In some embodiments, the plurality of bracket units is arranged along the length of the cable body.
Further, in the adjacent two bracket units, the distance between the two first brackets close to each other is smaller than 1cm.
Preferably, in the adjacent two bracket units, the two first brackets adjacent to each other abut each other.
The beneficial effects are that:
1. The cable disclosed by the application has the advantages that the cable body cladding has better flame retardant property, fire resistance and ageing resistance, less smoke is generated during combustion, no toxic gas escapes, fewer drops and particles are generated, and the requirements of B1-level flame retardance and fire resistance are met.
2. The bracket unit provided by the application can well protect the cable body, the upper and lower strip-shaped heat dissipation holes can realize upward flow of heat dissipation air flow, and the strip-shaped heat dissipation holes are small, so that mice are not easy to enter, and the cable body is prevented from being bitten by the mice.
3. Through clamping unit centre gripping cable body, and the second bracket can be singly demolishd, and the cable body still is by clamping unit centre gripping after the second bracket is demolishd, can not drop to the convenience is maintained the cable.
4. The fixed position of each bracket can realize temperature measurement, and the temperature measurement and the fixation of the cable body are combined, so that the good temperature measurement is realized, and the cable body is clamped and fixed well.
5. The detection unit provided by the application can realize rat-proof monitoring, the optical paths of the first laser generator and the second laser generator are in a zigzag shape, and when a rat breaks the optical path in the bracket unit, the rat is detected, and measures can be taken on the rat in time.
6. The section of the cable body falling to the second bracket can also be detected by the detection unit, so that the cable body can be timely maintained and fixed to the corresponding clamping unit.
Drawings
FIG.1 is a schematic view of a cable body;
FIG. 2 is a schematic view of a specialty cable;
FIG. 3 is another angular schematic view of a specialty cable;
FIG. 4 is an enlarged view of area A;
FIG. 5 is a schematic view of the bracket cell components from a first perspective;
FIG. 6 is an enlarged view of region B;
FIG. 7 is a schematic view of a second perspective of the carrier unit assembly shown separated;
FIG. 8 is a schematic view of a third perspective of the bracket cell component shown separated;
FIG. 9 is a schematic view of a fourth perspective of the carrier unit assembly shown separated;
Reference numerals illustrate:
1, a cable body; 1.1 an outer sheath; 1.1.1 groove portions; 1.2 armor layers; 1.3 a flame retardant layer; 1.4 an oxygen barrier; 1.5 shielding layer; 1.6 wrapping the layer; 1.7.1 insulating layers; 1.7.2 cable core cladding; 1.7.3 conductors; 1.8 filling ropes;
2a first bracket; 2.1 top plate; 2.1.1 first strip-shaped heat dissipation holes; 2.1.2 second vias; 2.1.3 strip-shaped through grooves; 2.2 a first side plate; 2.2.1 mounting studs; 2.2.2 mounting nuts; 2.3 extension plates;
3a second bracket; 3.1 a bottom plate; 3.2 a second side panel; 3.1.1 second strip-shaped heat dissipation holes;
4 a clamping unit; 4.1 arc bread enclosing plates; 4.2 fixing plates; 4.2.1 first vias; 4.3 risers; 4.4 raised portions; 4.5 temperature measuring blind holes;
5a detection unit; 5.1 mounting plates; 5.2 control box; 5.3 mounting seats; 5.3.1 positioning columns; 5.4 a temperature measuring unit; 5.5 springs; 5.6 transmitting plug blocks; 5.6.1 first emissive mounting blocks; 5.6.2 a second emissive mounting block; 5.7 receiving a plug block; 5.7.1 first receiving mounting block; 5.7.2 second receiving mounting block.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a flame-retardant fire-resistant anti-aging special cable as shown in fig. 1-9, which comprises a cable body 1 and a bracket unit, wherein the cable body 1 sequentially comprises an outer protective layer 1.1, an armor layer 1.2, a flame-retardant layer 1.3, an oxygen-insulating layer 1.4, a shielding layer 1.5 and a wrapping layer 1.6 from outside to inside, a cable core unit and a filling rope 1.8 are arranged in the wrapping layer 1.6, and the cable core unit sequentially comprises an insulating layer 1.7.1, a cable core wrapping layer 1.7.2 and a conductor 1.7.3 from outside to inside; the bracket unit comprises a first bracket 2 and a plurality of second brackets 3 positioned below the first bracket, wherein a clamping unit 4 for clamping the cable body 1 is arranged at the first bracket 2.
The outer protective layer 1.1 is a low-smoke halogen-free flame-retardant outer protective layer; the armor layer 1.2 is a steel tape armor layer; the flame-retardant layer 1.3 is a halogen-free tape wrapping layer; the shielding layer 1.5 is a copper wire braided shielding layer; the wrapping layer 1.6 is a polyester tape wrapping layer; the insulating layer 1.7.1 is a crosslinked polyethylene insulating layer; the cable core cladding 1.7.2 is a calcined mica tape wrapping layer; the conductor 1.7.3 is a copper conductor; the first bracket 2 comprises a top plate 2.1, two first side plates 2.2 fixedly connected with the top plate 2.1 and two extension plates 2.3 respectively fixed on two sides of the top plate 2.1; the second bracket 3 comprises a bottom plate 3.1 and two second side plates 3.2 fixedly connected with the bottom plate 3.1, the first side plate 2.2 is provided with a mounting stud 2.2.1, the second side plate 3.2 is provided with a mounting stud perforation which can be penetrated by the mounting stud 2.2.1, and the mounting stud 2.2.1 is provided with a mounting nut 2.2 for fixing the first side plate 2.2 and the second side plate 3.2; the bottom end of the first side plate 2.2 is provided with a first step part, the mounting stud 2.2.1 is positioned at the first step part, the top end of the second side plate 3.2 is provided with a second step part, and the mounting stud perforation is positioned at the second step part; the top plate 2.1 is provided with a plurality of first strip-shaped heat dissipation holes 2.1.1, and the bottom plate 3.1 is provided with a plurality of second strip-shaped heat dissipation holes 3.1.1.
The number of the cable bodies 1 is a plurality; the first bracket 2 is provided with a plurality of bracket fixing positions along the length direction of the first bracket 2, each bracket fixing position is provided with one second bracket 3, each bracket fixing position of the first bracket 2 is provided with a plurality of clamping units 4, the plurality of clamping units 4 are distributed in a rectangular array and are divided into a plurality of rows and a plurality of columns, and the clamping units 4 in the same column are used for clamping the same cable body 1; the clamping unit 4 comprises a cambered surface surrounding plate 4.1 with a notch at the bottom, a fixing plate 4.2 positioned above the cambered surface surrounding plate 4.1 and two vertical plates 4.3 connected with the cambered surface surrounding plate 4.1 and the fixing plate 4.2, and the fixing plate 4.2 is fixedly connected with the top plate 2.1.
The bracket unit further comprises a plurality of detection units 5, wherein the number of the detection units 5 is equal to that of the second brackets 3 and corresponds to the second brackets one by one; the outer protective layer 1.1 of the cable body 1 is provided with a groove part 1.1.1 extending along the length direction of the cable body, the groove part 1.1.1 comprises a containing groove with a circular cross section and a connecting groove communicated with the containing groove, the clamping unit 4 further comprises a protruding part 4.4, and the protruding part 4.4 comprises an embedded part embedded in the containing groove and a connecting part for connecting the embedded part and the cambered surface surrounding plate 4.1; the fixing plate 4.2 is provided with a first through hole 4.2.1; among the plurality of clamping units 4 distributed in a rectangular array corresponding to each second bracket 3, the clamping unit at the most end part of one row is an end part clamping unit, a temperature measurement blind hole 4.5 is arranged at the end part clamping unit, the top end of the temperature measurement blind hole 4.5 is positioned on the surface of the arc surface board 4.1, and the bottom end of the temperature measurement blind hole is positioned at the embedded part; each bracket fixing position of the first bracket 2 is provided with a mounting groove, the mounting groove is provided with a plurality of second through holes 2.1.2, the number of the second through holes 2.1.2 is equal to that of the end clamping units, and each second through hole 2.1.2 is communicated with one first through hole 4.2.1; the detection unit 5 comprises a mounting plate 5.1 fixedly mounted at the mounting groove, a control box 5.2 fixedly mounted on the upper surface of the mounting plate 5.1 and a plurality of mounting seats 5.3 positioned below the mounting plate 5.1, temperature measurement units 5.4 are arranged at the mounting seats 5.3, the number of the mounting seats 5.3 is equal to that of the end clamping units 4 and corresponds to that of the end clamping units 4 one by one, and each temperature measurement unit 5.4 is inserted into one temperature measurement blind hole 4.5; the mounting seat 5.3 is provided with a positioning hole, a positioning column 5.1.1 fixedly connected with the mounting plate 5.1 is inserted into the positioning hole, and a spring 5.5 for connecting the mounting plate 5.1 and the mounting seat 5.3 is enclosed at the position of the positioning column 5.1.1; a control unit and a communication unit are installed in the control box 5.2.
The two ends of the mounting groove are provided with strip-shaped through grooves 2.1.3, the two ends of the mounting plate 5.1 are fixedly provided with inserting blocks capable of being inserted into the strip-shaped through grooves 2.1.3, one of the two inserting blocks at the two ends of the mounting plate 5.1 is a transmitting inserting block 5.6, the other is a receiving inserting block 5.7, all the transmitting inserting blocks 5.6 are close to one first side plate 2.2 of the first bracket 2, and all the receiving inserting blocks 5.7 are close to the other first side plate 2.2 of the first bracket 2; a first emission installation block 5.6.1 and a second emission installation block 5.6.2 are fixed at the bottom end of the emission plug block 5.6, a first laser emitter is installed at the first emission installation block 5.6.1, a second laser emitter is installed at the second emission installation block 5.6.2, a first receiving installation block 5.7.1 and a second receiving installation block 5.7.2 are fixed at the bottom end of the receiving plug block 5.7, a first light receiver is installed at the first receiving installation block 5.7.1, and a second light receiver is installed at the second receiving installation block 5.7.2; the light of the first laser transmitter can be used for being received by a first light receiver at the fixed position of the adjacent bracket; the light of the second laser transmitter can be used to be received by a second light receiver at a spaced bracket-securing location.
Two fixing studs are fixed at the bottom ends of the transmitting plug block 5.6 and the receiving plug block 5.7, fixing nuts are arranged at the fixing studs, and fixing stud perforation penetrated by the fixing studs is arranged at the positions of the first transmitting mounting block 5.6.1, the second transmitting mounting block 5.6.2, the first receiving mounting block 5.7.1 and the second receiving mounting block 5.7.2; the temperature measuring unit 5.4 is a thermocouple temperature measuring unit; the mounting plate 5.1 is fixedly connected with the top plate 2.1 through bolts; there are 4 of said locating holes at each mount 5.3.
Working principle: the cable disclosed by the application has the advantages that the cable body cladding has better flame retardant property, fire resistance and ageing resistance, in addition, the smoke is less during combustion, no toxic gas escapes, the generated dropping substances and particles are less, the cable body is well protected by the bracket unit according with the B1-level flame retardant fire resistance requirement, the upward and downward heat dissipation airflow can be realized through the upper and lower strip heat dissipation holes, the strip heat dissipation holes are small, mice are not easy to enter, the cable body is prevented from being bitten by mice, the cable body is clamped by the clamping unit, the second bracket can be detached singly, and the cable body is still clamped by the clamping unit after the second bracket is detached and cannot fall, so that the cable is convenient to maintain. The fixed position of each bracket can realize temperature measurement, and the temperature measurement and the fixation of the cable body are combined, so that the good temperature measurement is realized, and the cable body is clamped and fixed well. The detection unit can realize rat-proof monitoring, the light path shape of the first laser generator and the second laser generator is zigzag, and when a rat breaks the light path in the bracket unit, the rat is detected, and measures can be taken on the rat in time. The section of the cable body falling to the second bracket can also be detected by the detection unit, so that the cable body can be timely maintained and fixed to the corresponding clamping unit.
When specifically carrying out the protection against rodents monitoring, the general accuse unit communicates with all control unit through wireless communication unit, and the control of general accuse unit carries out the protection against rodents monitoring operation, opens all first laser emitter, second laser emitter, first optical receiver and second optical receiver, when the mouse appears in the bracket unit, can block first, the light path of second laser emitter to the mouse can be detected (the mouse is because the activity, and it blocks the light path and is intermittent type), notifies the staff to take corresponding measure to it this moment. The rat-proof monitoring operation is executed once every set time, and the set time is executed every time, so that the cable body is prevented from being gnawed by rats.
In addition, when anti-drop monitoring is carried out on the cable body, to any bracket fixed position, when the measured value of one temperature measuring unit is smaller than the measured value of the other temperature measuring units and is smaller than the set temperature value, the cable body is likely to drop off from the clamping unit, so that the temperature measuring unit is not in the temperature measuring blind hole, the measured temperature is low, at the moment, the master control unit controls all second laser transmitters and second optical receivers to be opened, the cable body dropped on the second bracket can block the optical path of the second laser transmitters (the blocking optical path of the cable body falling is unchanged and always blocked), and therefore a specific falling part is detected, and staff is informed to timely maintain the falling part to be fixed on the corresponding clamping unit.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the invention as defined in the following claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311415431.XA CN117334392B (en) | 2023-10-27 | 2023-10-27 | B1-level flame-retardant fire-resistant anti-aging special cable for fire safety |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311415431.XA CN117334392B (en) | 2023-10-27 | 2023-10-27 | B1-level flame-retardant fire-resistant anti-aging special cable for fire safety |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117334392A CN117334392A (en) | 2024-01-02 |
| CN117334392B true CN117334392B (en) | 2024-11-08 |
Family
ID=89290255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311415431.XA Active CN117334392B (en) | 2023-10-27 | 2023-10-27 | B1-level flame-retardant fire-resistant anti-aging special cable for fire safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117334392B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118588370B (en) * | 2024-06-28 | 2025-04-01 | 江苏赛特电气有限公司 | Flame retardant B1 grade fire resistant control cable for rail transit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212461219U (en) * | 2020-05-14 | 2021-02-02 | 扬州市金阳光电缆有限公司 | Novel flame-retardant fire-resistant medium-voltage cable |
| CN116525190A (en) * | 2023-05-26 | 2023-08-01 | 江苏赛特电气有限公司 | Ultraviolet-proof B1-level flame-retardant fire-resistant special cable for track traffic key engineering |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19614853A1 (en) * | 1996-04-15 | 1997-10-16 | Cellpack Gmbh | Fire-resistant cable connection |
| US9797423B2 (en) * | 2015-08-19 | 2017-10-24 | Schneider Electric USA, Inc. | Device for attaching a sensor to a lug |
| CN107086071B (en) * | 2017-05-27 | 2023-07-28 | 渝丰科技股份有限公司 | Monitoring cable |
| WO2020191514A1 (en) * | 2019-03-22 | 2020-10-01 | Abb Schweiz Ag | Thermochromic indicator, producing method and cable accessory |
| CN112542273A (en) * | 2019-09-20 | 2021-03-23 | 广东胜宇电缆实业有限公司 | Full automatization fireproof cable production line |
| CN110706857B (en) * | 2019-10-16 | 2020-11-20 | 扬州市红旗电缆制造有限公司 | High ageing resistance does not have steamed low fire-retardant marine frock spare special cable of cigarette |
| CN211743942U (en) * | 2020-04-14 | 2020-10-23 | 许友龙 | Cable laying bridge frame for nuclear power station emergency diesel engine plant |
| CN211699788U (en) * | 2020-05-22 | 2020-10-16 | 廊坊兆穗测温线缆有限公司 | Longitudinal grain temperature measurement cable protection outer armor |
-
2023
- 2023-10-27 CN CN202311415431.XA patent/CN117334392B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212461219U (en) * | 2020-05-14 | 2021-02-02 | 扬州市金阳光电缆有限公司 | Novel flame-retardant fire-resistant medium-voltage cable |
| CN116525190A (en) * | 2023-05-26 | 2023-08-01 | 江苏赛特电气有限公司 | Ultraviolet-proof B1-level flame-retardant fire-resistant special cable for track traffic key engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117334392A (en) | 2024-01-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN117334392B (en) | B1-level flame-retardant fire-resistant anti-aging special cable for fire safety | |
| EP0091255B1 (en) | Cable tray protection system | |
| CN212694880U (en) | A high temperature power cable | |
| Korolchenko et al. | Operation of cable lines under fire conditions | |
| WO2004044927A1 (en) | Fire-resistant cable | |
| CN115101251B (en) | Oxygen-isolation flame-retardant fireproof special control cable for flexible minerals | |
| CN214753078U (en) | Flame-retardant high-temperature-resistant cable | |
| CN2599719Y (en) | Environmental protection cross-linking polyethylene insulated fire resistant control cable | |
| CN218552949U (en) | Fire early warning and eliminating facility for cable bridge | |
| CN213635408U (en) | Halogen-free low-smoke flame-retardant cable | |
| CN118588370B (en) | Flame retardant B1 grade fire resistant control cable for rail transit | |
| CN211555565U (en) | Long-life wire and cable | |
| CN222213777U (en) | Fire-resistant cable | |
| CN112927848B (en) | Copper clad aluminum conductor low-smoke halogen-free A-class flame-retardant power cable | |
| CN216980167U (en) | Bending-resistant fireproof flame-retardant cable | |
| CN216250120U (en) | High-temperature-resistant ceramic fireproof cable | |
| CN218676559U (en) | Fire-fighting flame-retardant cable | |
| CN118248395B (en) | Intelligent early warning type high-voltage power cable with fireproof electrode and use method thereof | |
| CN222507185U (en) | Silicon rubber cable for high-temperature environment | |
| CN202307258U (en) | Copper wire woven separated-shielding and total-shielding flame retardant computer cable | |
| CN118397775B (en) | Early warning and fire extinguishing system for electrical power distribution cabinet | |
| CN222545994U (en) | Medium voltage fire resistant cable | |
| CN222354797U (en) | A highly flame-retardant and fire-resistant multi-core control cable | |
| CN201904147U (en) | High flame-retardant fire-resistant control cable with halogen-free low smoke cross-linked polyethylene insulating tough oxygen barrier layer | |
| CN212084717U (en) | Computer cable with flame retardant effect |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |