CN115764779A - First protection box in middle of cable with directional blasting function - Google Patents
First protection box in middle of cable with directional blasting function Download PDFInfo
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- CN115764779A CN115764779A CN202211392026.6A CN202211392026A CN115764779A CN 115764779 A CN115764779 A CN 115764779A CN 202211392026 A CN202211392026 A CN 202211392026A CN 115764779 A CN115764779 A CN 115764779A
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- protection box
- upper shell
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- 238000005422 blasting Methods 0.000 title claims abstract description 39
- 238000004880 explosion Methods 0.000 claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 29
- 239000000779 smoke Substances 0.000 claims description 27
- 239000004065 semiconductor Substances 0.000 claims description 25
- 238000005057 refrigeration Methods 0.000 claims description 18
- 239000002360 explosive Substances 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 11
- 239000000843 powder Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 238000005474 detonation Methods 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 6
- 239000012634 fragment Substances 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 241000463219 Epitheca Species 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 5
- 210000001503 joint Anatomy 0.000 description 5
- 230000009172 bursting Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
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- 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
Abstract
The invention discloses a cable middle head protection box with a directional blasting function, which comprises a lower shell, wherein the top of the lower shell is provided with an upper shell, a cable body is arranged between the upper shell and the lower shell, the outer wall of the top of the upper shell is integrally formed with a connecting pipe, the top of the connecting pipe is connected with a protective cap through threads, the inner wall of the top of the protective cap is provided with a blasting groove, a conical body is arranged inside the connecting pipe, and a first support plate is integrally formed on the inner wall of one side of the upper shell. According to the invention, the conical body seals the connecting pipe through the elastic force of the spring, the blasting groove is formed in the protective cap, so that when a cable explodes, the protective box can explode from a directional position to prevent fragments generated by explosion from damaging other cables, and meanwhile, after the explosion happens, the elastic force of the spring enables the conical body to seal the connecting pipe again, so that rainwater is prevented from entering the interior of the protective box after the explosion happens, and further, the electric leakage damage accident of the protective box at the middle head of the cable after the explosion happens is prevented.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a cable middle head protection box with a directional blasting function.
Background
The cable intermediate head protection box is also called a cable intermediate head protection box, generally, because the length of a power cable is limited, the power cable has to be connected in sections, when a plurality of cables are connected by utilizing a thermal shrinkage cable intermediate connector and a cold shrinkage cable intermediate connector, the position of the cable intermediate head is weak, the mechanical strength is reduced, and the cable intermediate head protection box needs to be installed at the position.
Application number CN 201911061327.9 relates to an explosion-proof box for cable intermediate head, including base and epitheca, base and epitheca all form through SMC combined material preparation, are equipped with first recess on the base, be equipped with the second recess on the epitheca, be equipped with the support of supporting cable in the first recess, be equipped with the pneumatic valve that is used for letting out in the explosion-proof box can the gassing on the epitheca, be equipped with the sensor that is used for the interior temperature of real-time supervision explosion-proof box and cable intermediate head line core temperature on the epitheca, be connected with wireless communication unit on the sensor.
Because the cable intermediate head accident frequently takes place in the use, for example: external force destruction, installation technology are coarse, product quality, overload operation etc. and the cable quantity reaches twenty several and distributes side by side in some cable ditches, and current cable middle head protection box does not have the function of directional blasting, if a cable middle joint explosion is, other cables are also compromised, and the power failure loss of electric power department is huge, also causes very big inconvenience and loss for user's life simultaneously. Therefore, it is desirable to design a cable middle head protection box with directional blasting function to solve the above problems.
Disclosure of Invention
The invention aims to provide a cable middle head protection box with a directional blasting function, so as to solve the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme:
the utility model provides a first protection box in middle of cable with directional blasting function, includes casing down, the top of casing is provided with the casing down, it is provided with the cable body to go up between casing and the casing down, the top outer wall integrated into one piece of going up the casing has the connecting pipe, there is the helmet at the top of connecting pipe through threaded connection, the top inner wall of helmet is provided with the blasting groove, the inside of connecting pipe is provided with the conical body, one side inner wall integrated into one piece of going up the casing has extension board one, the inside of extension board one has the screw rod through bolted connection, the conical body activity cup joints the outside at the screw rod, conical body and connecting pipe looks adaptation, the spring has been cup jointed to the outside of screw rod, the top of screw rod is provided with the separation blade, the outer wall of screw rod is provided with the scale, the outside of screw rod has two lock nuts through threaded connection, two lock nuts are located the upper and lower both sides of extension board one respectively, the spring is located between separation blade and the conical body, the top outer wall integrated into one piece of going up the casing has the installation shell, the heat-conducting block has been inlayed in the inside of heat-conducting block, the semiconductor piece has the semiconductor chip, the main control board through bolted connection wire.
Furthermore, the outer wall of one side of the semiconductor refrigeration piece is bonded with a radiating fin through heat-conducting silica gel, and glue injection grooves are formed in the periphery of the heat-conducting block.
Further, the main control board includes control module, smoke transducer and communication module are electric connection with control module respectively, the inside of going up the casing is fixed with the outer tube, the inside of outer tube is fixed with the inner tube, be provided with the dry powder agent between outer tube and the inner tube, the inside of inner tube is provided with the explosive agent, the inside of inner tube is fixed with the module of detonating, the module of detonating is electric connection with control module.
Furthermore, the main control board further comprises a temperature sensor and an ultrasonic sensor, and the temperature sensor, the semiconductor refrigeration piece and the ultrasonic sensor are electrically connected with the control module respectively.
Furthermore, a second support plate is integrally formed on the inner wall of one side of the upper shell, the outer wall of the top of the second support plate is connected with a cooling fan through a bolt, and the cooling fan is electrically connected with the control module.
Furthermore, the outer walls of the two sides of the upper shell and the lower shell are integrally formed with semicircular rings, and the outer parts of the semicircular rings are connected with threaded rings through threads.
Furthermore, the outer walls of the two sides of the upper shell are integrally formed with uniformly distributed first half-round studs, the outer walls of the two sides of the lower shell are integrally formed with uniformly distributed second half-round studs, the first half-round studs are matched with the second half-round studs, and the adjacent first half-round studs and the adjacent second half-round studs are connected with connecting rings through threads.
Furthermore, be provided with the sealing strip between last casing and the lower casing, be provided with the sealing washer between semicircle ring and the cable body, sealing washer and sealing strip integrated into one piece.
Furthermore, the outer wall of the top of the lower shell is integrally formed with positioning columns which are uniformly distributed, the outer wall of the bottom of the upper shell is provided with positioning holes which are uniformly distributed, and the positioning columns are inserted into the positioning holes.
Further, the bottom outer wall integrated into one piece of casing has evenly distributed's mounting panel down, the top outer wall of mounting panel is provided with the mounting hole.
In the technical scheme, the cable middle head protection box with the directional blasting function provided by the invention has the beneficial effects that:
(1) According to the invention, the connecting pipe is sealed by the conical body through the elasticity of the spring, the blasting groove is arranged at the protective cap, so that when the cable explodes, the protective box can explode from a directional position to prevent fragments generated by explosion from damaging other cables, and meanwhile, after the explosion happens, the connecting pipe is sealed again by the conical body through the elasticity of the spring, so that rainwater is prevented from entering the interior of the protective box after the explosion happens, and further, the electric leakage damage accident of the protective box at the middle head of the cable after the explosion happens is prevented.
(2) According to the invention, the smoke sensor is used for detecting the ignition smoke in the protection box, so that the control module can control the detonation module to detonate the explosive, and further the explosive is thrown after being detonated, and the dry powder achieves the effect of extinguishing fire.
(3) The temperature sensor is arranged to detect the temperature of the cable connection position in the protection box, when the temperature is too high, the temperature sensor transmits an electric signal to the control module, so that the control module controls the semiconductor refrigeration piece and the cooling fan to work, and the semiconductor refrigeration piece cools the interior of the protection box, and therefore the effect of high cooling performance of the cable middle head protection box is achieved.
(4) According to the invention, the smoke sensor and the ultrasonic sensor are respectively used for detecting whether smoke generated by overheating exists in the middle head protection box or ultrasonic generated during explosion, and when the ultrasonic generated by the smoke or the explosion is detected, the control module sends alarm information and positioning information provided by the positioning module to a worker, so that the worker can timely perform emergency treatment.
(5) The upper shell and the lower shell are in threaded connection through the threaded rings, and the connecting rings are in threaded connection with the first semicircular stud and the second semicircular stud, so that the upper shell and the lower shell are more convenient to fix.
(6) According to the invention, the upper shell and the lower shell are sealed through the integral structure formed by the sealing ring and the sealing strip, so that the waterproof effect of the cable middle head protection box is better.
(7) According to the invention, the degree of compression of the spring can be conveniently displayed through the scales, and the screw rod and the support plate I are locked and fixed through the locking nut, so that the force of the conical body for sealing the connecting pipe can be adjusted according to actual requirements during assembly.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of an overall structure provided by an embodiment of a cable middle head protection box with a directional blasting function according to the present invention.
Fig. 2 is a schematic structural diagram of a protective cap provided in an embodiment of a cable middle head protection box with a directional blasting function according to the present invention.
Fig. 3 is a schematic structural view of an installation shell provided in an embodiment of a cable middle head protection box with a directional blasting function according to the present invention.
Fig. 4 is a schematic structural diagram of a glue injection groove provided in an embodiment of a cable middle head protection box with a directional blasting function according to the present invention.
Fig. 5 is a schematic structural diagram of a seal ring provided in an embodiment of a cable middle head protection box with a directional blasting function according to the present invention.
Fig. 6 is an enlarged view of a portion a of the cable middle head protection box with a directional blasting function according to an embodiment of the present invention.
Fig. 7 is a control flowchart provided in an embodiment of a cable middle head protection box with a directional blasting function according to the present invention.
Description of reference numerals:
1, 2, 3, 4, 5, 6 and 7 connecting rings, 8, 9, 10 cable bodies, 11 connecting pipes, 12 protective caps, 13, 14, 15, blocking pieces, 16, 17 blasting grooves, 18 locking nuts, 19 positioning holes, 20 positioning columns, 21 sealing strips, 22 mounting shells, 23 heat conducting blocks, 24 semiconductor refrigerating sheets, 25 heat radiating fins, 26 glue injection grooves, 27 main control boards, 28, 29 heat radiating fans, 30 sealing rings, 31 control modules, 32 temperature sensors, 33 smoke sensors, 34 ultrasonic sensors, 35 communication modules, 36 scales, 37 cones, 38 outer pipes, 39 inner pipes, 40 dry powder agents, 41 blasting agents and 42 blasting modules.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 7, an embodiment of the invention provides a cable middle head protection box with a directional blasting function, which includes a lower casing 2, an upper casing 1 is disposed on a top of the lower casing 2, a cable body 10 is disposed between the upper casing 1 and the lower casing 2, a connecting pipe 11 is integrally formed on an outer wall of a top of the upper casing 1, a protective cap 12 is connected to a top of the connecting pipe 11 through a screw thread, a blasting groove 17 is disposed on an inner wall of a top of the protective cap 12, a conical body 37 is disposed inside the connecting pipe 11, a first support plate 13 is integrally formed on an inner wall of one side of the upper casing 1, a screw 14 is connected to the inside of the first support plate 13 through a bolt, the conical body 37 is movably sleeved on an outside of the screw 14, the conical body 37 is adapted to the connecting pipe 11, a spring 16 is sleeved on the outside of the screw 14, a blocking plate 15 is disposed on a top end of the screw 14, a scale 36 is disposed on an outer wall of the screw 14, two locking nuts 18 are connected to the outside of the screw 14 through a screw thread, the two locking nuts 18 are respectively disposed on upper and lower sides of the first support plate 13, the spring 16 is disposed between the blocking plate 15 and the conical body 37, an outer wall of the upper casing 1 is integrally formed on an outer wall of the top of the upper casing 22, a semiconductor is connected to a semiconductor heat conducting plate 24, and a semiconductor block is electrically connected to a cooling plate 24.
Specifically, in the embodiment, the cable explosion-proof device comprises a lower shell 2, an upper shell 1 is arranged at the top of the lower shell 2, a cable body 10 is arranged between the upper shell 1 and the lower shell 2, when in use, the cable is fixed side by side, the upper shell 1 and the lower shell 2 wrap an intermediate joint of the cable body 10, both the upper shell 1 and the lower shell 2 are made of glass fiber reinforced plastic materials, and have the effects of high mechanical strength and strong pressure resistance, a connecting pipe 11 is integrally formed on the outer wall of the top of the upper shell 1, the top of the connecting pipe 11 is connected with a protective cap 12 through a thread, a bursting groove 17 is arranged on the inner wall of the top of the protective cap 12, the wall thickness of the protective cap 12 at the bursting groove 17 is thin, so that the cable joint can be exploded from the bursting groove 17 when the cable joint is exploded, a conical body 37 is arranged inside the connecting pipe 11, the conical body 37 is made of rubber, and a support plate 13 is integrally formed on the inner wall of one side of the upper shell 1, the screw 14 is connected to the interior of the first support plate 13 through a bolt, the conical body 37 is movably sleeved on the exterior of the screw 14, the conical body 37 is matched with the connecting pipe 11, the connecting pipe 11 is sealed by the conical body 37, the spring 16 is sleeved on the exterior of the screw 14, the blocking piece 15 is arranged at the top end of the screw 14, the scale 36 is arranged on the outer wall of the screw 14, the two locking nuts 18 are connected to the exterior of the screw 14 through threads, the two locking nuts 18 are respectively located on the upper side and the lower side of the first support plate 13, the spring 16 is located between the blocking piece 15 and the conical body 37, the spring 16 is used for applying elasticity to the conical body 37, the degree of compression of the spring 16 can be conveniently displayed through the scale 36, the screw 14 and the first support plate 13 are locked and fixed through the locking nuts 18, the force for sealing the connecting pipe 11 by the conical body 37 can be adjusted during assembly according to actual needs, go up casing 1's top outer wall integrated into one piece and have installation shell 22, the embedded heat conduction piece 23 that has of one side outer wall of installation shell 22, heat conduction piece 23 adopts the aluminum alloy that the heat conductivility is good to make, the embedded semiconductor refrigeration piece 24 that has in inside of heat conduction piece 23, the refrigeration side position of semiconductor refrigeration piece 24 is in the inside of heat conduction piece 23, make semiconductor refrigeration piece 24 during operation heat conduction piece 23 can the efficient cool down the inside temperature of protection box, there is main control board 27 one side inner wall of installation shell 22 through bolted connection, main control board 27 is control circuit board, semiconductor refrigeration piece 24 is electric connection through the wire with main control board 27, utilize main control board 27 control semiconductor refrigeration piece 24 to carry out work.
According to the cable middle head protection box with the directional blasting function, the conical body 37 is used for sealing the connecting pipe 11 through the elastic force of the spring 16, the blasting groove 17 is formed in the position of the protective cap 12, so that when a cable explodes, the protection box can blast from a directional position, and other cables are prevented from being injured by fragments generated by explosion, and meanwhile after the explosion happens, the conical body 37 is sealed again through the elastic force of the spring 16, rainwater is prevented from entering the interior of the protection box after the explosion happens, and further the cable middle head protection box is prevented from being subjected to electric leakage injury accidents after the explosion happens.
In another embodiment provided by the present invention, the outer wall of one side of the semiconductor refrigeration sheet 24 is bonded with the heat dissipation fin 25 through the heat conductive silica gel, the periphery of the heat conduction block 23 is provided with the glue injection groove 26, and the sealant can be injected into the glue injection groove 26, so that the sealing effect between the heat conduction block 23 and the installation shell 22 is better.
In another embodiment of the present invention, the existing protection box for the middle joint of the power cable has complex installation and construction, poor heat dissipation performance, high requirement for construction process, and many middle joints of the cable, which is inconvenient to determine the explosion point in time when an explosion accident occurs, and at the same time, can not warn explosion, the main control board 27 includes a control module 31, a positioning module, a smoke sensor 33 and a communication module 35, the smoke sensor 33, the positioning module and the communication module 35 are respectively electrically connected with the control module 31, the smoke sensor 33 is used to detect smoke generated at the middle joint of the cable due to high temperature, the main control board 27 further includes a temperature sensor 32 and an ultrasonic sensor 34, the temperature sensor 32, the semiconductor refrigeration sheet 24 and the ultrasonic sensor 34 are respectively electrically connected with the control module 31, whether smoke generated by overheating exists in the middle head protection box or ultrasonic waves generated during explosion can be detected through the smoke sensor 33 and the ultrasonic sensor 34 respectively, when the ultrasonic generated by the smoke or the explosion is detected, the control module 31 sends alarm information and positioning information provided by the positioning module to workers so that the workers can timely carry out emergency treatment, and meanwhile, the workers can carry out early warning before explosion through the detection of the smoke sensor 33 and the temperature sensor 32, the specific principle is that the temperature of normal working of a cable joint in each season is counted, the temperature and smoke concentration of the cable joint about to explode in each season are experimentally counted and stored in a database of a computer, and when the cable joint protection box is used, the information detected by the smoke sensor 33 and the temperature sensor 32 is transmitted to the computer through the communication module 35, the computer compares the detected temperature and smoke concentration data through a database, so as to effectively warn the explosion of the cable intermediate joint, a support plate II 28 is integrally formed on the inner wall of one side of the upper shell 1, the outer wall of the top of the support plate II 28 is connected with a cooling fan 29 through a bolt, the cooling fan 29 is electrically connected with a control module 31, the temperature of the cable connection part in the protection box is detected through an arranged temperature sensor 32, when the temperature is overhigh, the temperature sensor 32 is transmitted to the control module 31 through an electric signal, so that the control module 31 controls the semiconductor refrigeration sheet 24 and the cooling fan 29 to work, and further the semiconductor refrigeration sheet 24 cools the inside of the protection box, thereby realizing the effect of high heat dissipation of the cable intermediate head protection box, an outer pipe 38 is fixed in the upper shell 1, and an inner pipe 39 is fixed in the outer pipe 38, a dry powder agent 40 is arranged between the outer pipe 38 and the inner pipe 39, the dry powder agent 40 is fire extinguishing dry powder, an explosive agent 41 is arranged inside the inner pipe 39, the explosive agent 41 can explode and has certain heat resistance, so that the cable can not explode under the normal heating state, the explosive agent 41 is trace, the explosive agent 41 can just break the outer pipe 38 and the inner pipe 39 after exploding, and the dry powder agent 40 is thrown, so that the cable joint can extinguish fire through the dry powder agent 40 when catching fire, the explosive agent 41 has insufficient explosion power to damage the cable, the upper shell 1 and the lower shell 2, a detonation module 42 is fixed inside the inner pipe 39, the detonation module 42 detonates the explosive agent 41, the detonation module 42 is electrically connected with the control module 31, when the smoke sensor 33 detects the existence of smoke, the smoke sensor 33 transmits electric signals to the control module 31, the control module controls the detonation module 42 to detonate the explosive 41, so that the explosive 41 is thrown to the dry powder 40 after explosion, and the dry powder 40 achieves the effect of extinguishing fire.
In still another embodiment provided by the invention, the outer walls of the two sides of the upper shell 1 and the lower shell 2 are integrally formed with a semicircular ring 3, the outer part of the semicircular ring 3 is provided with a thread, the semicircular ring 3 on the upper shell 1 and the lower shell 2 corresponds to form a whole threaded ring, the outer part of the semicircular ring 3 is connected with a threaded ring 4 through a thread, the two ends of the upper shell 1 and the lower shell 2 are fixed by the threaded ring 4, the outer walls of the two sides of the upper shell 1 are integrally formed with uniformly distributed semicircular studs 5, the outer walls of the two sides of the lower shell 2 are integrally formed with uniformly distributed semicircular studs 6, the semicircular studs 5 are matched with the semicircular studs 6, the semicircular studs 5 correspond to the semicircular studs 6 to form a whole threaded stud, the outer parts of the adjacent semicircular studs 5 and the semicircular studs 6 are connected with a connecting ring 7 through a thread, carry out threaded connection through the screw ring 4 to last casing 1 and the semicircle ring 3 on the casing 2 down, carry out threaded connection through go-between 7 and semicircle double-screw bolt 5 and semicircle double-screw bolt two 6, make and go up casing 1 and lower casing 2 between fix more convenient, and then make cable intermediate head protection box more convenient when installing, it is provided with sealing strip 21 to go up between casing 1 and the casing 2 down, be provided with sealing washer 30 between semicircle ring 3 and the cable body 10, sealing washer 30 and sealing strip 21 integrated into one piece, overall structure through sealing washer 30 and the formation of sealing strip 21 seals between casing 1 and the casing 2 down, make the waterproof effect of cable intermediate head protection box better, and then simplified the construction process of cable intermediate head protection box when installing.
In still another embodiment provided by the present invention, the top outer wall of the lower casing 2 is integrally formed with positioning pillars 20 which are uniformly distributed, the bottom outer wall of the upper casing 1 is provided with positioning holes 19 which are uniformly distributed, the positioning pillars 20 are inserted into the positioning holes 19, and the positioning pillars 20 are inserted into the positioning holes 19, so that the matching positioning between the lower casing 2 and the upper casing 1 is more convenient and accurate, the bottom outer wall of the lower casing 2 is integrally formed with mounting plates 8 which are uniformly distributed, the top outer wall of the mounting plate 8 is provided with mounting holes 9, and the bottom protection box is conveniently fixed by bolts through the mounting holes 9.
The working principle is as follows: when the protection box and the cable body need to be installed, firstly, the threaded ring 4 is sleeved on two cables to be connected in advance, the sealing rings 30 and the sealing gaskets are integrally sleeved on one cable, after the two cables are connected, the two sealing rings 30 are distributed on two sides of the connector, the cable body 10 is wrapped by the upper shell 1 and the lower shell 2, the positioning columns 20 on the lower shell 2 are inserted into the positioning holes 19 of the upper shell 1, the sealing strips 21 are located between the upper shell 1 and the lower shell 2, the sealing rings 30 are located inside the semicircular ring 3, then the connecting ring 7 is in threaded connection with the semicircular studs I5 and the semicircular studs II 6, and meanwhile, the threaded ring 4 is in threaded connection with the semicircular ring 3, so that the upper shell 1 and the lower shell 2 can be sealed in a surrounding manner through the sealing rings 30 and the sealing gaskets; the temperature inside the protection box is detected by the temperature sensor 32, so that when the temperature is too high, the temperature sensor 32 transmits an electric signal to the control module 31, so that the control module 31 controls the semiconductor chilling plates 24 and the cooling fan 29 to operate, further, the semiconductor refrigeration piece 24 cools the inside of the protection box, the smoke sensor 33 detects whether smoke exists in the protection box, when the smoke is detected to exist, the smoke is transmitted to the control module 31 through the electric signal, so that the control module 31 sends alarm information to the intelligent terminal of a worker through the communication module 35, the worker can overhaul in time, when the inside of the protection box explodes, the high-pressure gas generated by the explosion drives the conical body 37 to move upwards, so that the conical body 37 compresses the spring 16, then the high-pressure gas ejects the protective cap 12 from the blasting groove 17, so that the protective box can be blasted from the oriented position, the fragments generated by the blasting are prevented from damaging other cables, meanwhile, after the explosion happens, the pressure in the protective shell is reduced, the elastic force of the spring 16 enables the conical body 37 to be reset, thereby enabling the cone 37 to close the connecting pipe 11 again, preventing the interior of the protection box from entering rainwater after explosion, thereby preventing the cable junction from generating electric leakage damage accidents after the explosion happens, and simultaneously when the explosion happens, the ultrasonic wave generated by the explosion is detected by the ultrasonic sensor 34, and is transmitted to the control module 31 by an electric signal, so that the control module 31 sends alarm information to the intelligent terminal of the worker through the communication module 35, when alarm information occurs, positioning information is provided through the positioning module, so that workers can conveniently find the position where the explosion occurs.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. The cable middle head protection box with the directional blasting function is characterized by comprising a lower shell (2), wherein an upper shell (1) is arranged at the top of the lower shell (2), a cable body (10) is arranged between the upper shell (1) and the lower shell (2), a connecting pipe (11) is integrally formed on the outer wall of the top of the upper shell (1), the top of the connecting pipe (11) is connected with a protective cap (12) through threads, an explosion groove (17) is formed in the inner wall of the top of the protective cap (12), a conical body (37) is arranged inside the connecting pipe (11), a first support plate (13) is integrally formed on the inner wall of one side of the upper shell (1), a screw rod (14) is connected inside the first support plate (13) through bolts, the conical body (37) is movably sleeved outside the screw rod (14), the conical body (37) is matched with the connecting pipe (11), a spring (16) is sleeved outside the screw rod (14), a stop piece (15) is arranged at the top end of the screw rod (14), scales (36) are arranged on the outer wall of the screw rod (14), two locking nuts (18) are respectively connected with two locking nuts (18) and a locking nut (16), go up the top outer wall integrated into one piece of casing (1) and have installation shell (22), one side outer wall of installation shell (22) is embedded to have heat conduction piece (23), the inside of heat conduction piece (23) is embedded to have semiconductor refrigeration piece (24), one side inner wall of installation shell (22) has main control board (27) through bolted connection, semiconductor refrigeration piece (24) are electric connection through the wire with main control board (27).
2. The cable middle head protection box with the directional blasting function according to claim 1, wherein a heat dissipation fin (25) is bonded to an outer wall of one side of the semiconductor refrigeration sheet (24) through heat conductive silica gel, and a glue injection groove (26) is formed around the heat conduction block (23).
3. The cable middle head protection box with the directional blasting function according to claim 1, wherein the main control board (27) comprises a control module (31), a smoke sensor (33) and a communication module (35), the smoke sensor (33) and the communication module (35) are respectively electrically connected with the control module (31), an outer tube (38) is fixed inside the upper shell (1), an inner tube (39) is fixed inside the outer tube (38), a dry powder agent (40) is arranged between the outer tube (38) and the inner tube (39), an explosive agent (41) is arranged inside the inner tube (39), a detonation module (42) is fixed inside the inner tube (39), and the detonation module (42) is electrically connected with the control module (31).
4. The cable middle head protection box with the directional blasting function according to claim 3, wherein the main control board (27) further comprises a temperature sensor (32) and an ultrasonic sensor (34), and the temperature sensor (32), the semiconductor chilling plate (24) and the ultrasonic sensor (34) are respectively electrically connected with the control module (31).
5. The cable middle head protection box with the directional blasting function according to claim 3, wherein a second support plate (28) is integrally formed on the inner wall of one side of the upper shell (1), the outer wall of the top of the second support plate (28) is connected with a heat dissipation fan (29) through a bolt, and the heat dissipation fan (29) is electrically connected with the control module (31).
6. The cable middle head protection box with the directional blasting function according to claim 1, wherein the outer walls of the two sides of the upper shell (1) and the lower shell (2) are integrally formed with a semicircular ring (3), and the outer part of the semicircular ring (3) is connected with a threaded ring (4) through threads.
7. The cable middle head protection box with the directional blasting function according to claim 1, wherein the outer walls of the two sides of the upper shell (1) are integrally formed with uniformly distributed first half-round studs (5), the outer walls of the two sides of the lower shell (2) are integrally formed with uniformly distributed second half-round studs (6), the first half-round studs (5) are matched with the second half-round studs (6), and the adjacent first half-round studs (5) and the adjacent second half-round studs (6) are externally connected with a connecting ring (7) through threads.
8. The cable middle head protection box with the directional blasting function according to claim 6, wherein a sealing strip (21) is arranged between the upper shell (1) and the lower shell (2), a sealing ring (30) is arranged between the semicircular ring (3) and the cable body (10), and the sealing ring (30) and the sealing strip (21) are integrally formed.
9. The cable middle head protection box with the directional blasting function according to claim 1, wherein the top outer wall of the lower shell (2) is integrally formed with evenly distributed positioning pillars (20), the bottom outer wall of the upper shell (1) is provided with evenly distributed positioning holes (19), and the positioning pillars (20) are inserted into the positioning holes (19).
10. The cable middle head protection box with the directional blasting function according to claim 1, wherein the bottom outer wall of the lower shell (2) is integrally formed with uniformly distributed mounting plates (8), and the top outer wall of the mounting plates (8) is provided with mounting holes (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211392026.6A CN115764779A (en) | 2022-11-08 | 2022-11-08 | First protection box in middle of cable with directional blasting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211392026.6A CN115764779A (en) | 2022-11-08 | 2022-11-08 | First protection box in middle of cable with directional blasting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115764779A true CN115764779A (en) | 2023-03-07 |
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ID=85367994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211392026.6A Withdrawn CN115764779A (en) | 2022-11-08 | 2022-11-08 | First protection box in middle of cable with directional blasting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115764779A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239665A (en) * | 2023-11-10 | 2023-12-15 | 南京亦鑫同电气有限责任公司 | Cable connector and installation method thereof |
-
2022
- 2022-11-08 CN CN202211392026.6A patent/CN115764779A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117239665A (en) * | 2023-11-10 | 2023-12-15 | 南京亦鑫同电气有限责任公司 | Cable connector and installation method thereof |
| CN117239665B (en) * | 2023-11-10 | 2024-02-02 | 南京亦鑫同电气有限责任公司 | Cable connector and installation method thereof |
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Application publication date: 20230307 |