CN115832996B - Fireproof bus duct capable of preventing electromagnetic interference - Google Patents
Fireproof bus duct capable of preventing electromagnetic interference Download PDFInfo
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- CN115832996B CN115832996B CN202211657692.8A CN202211657692A CN115832996B CN 115832996 B CN115832996 B CN 115832996B CN 202211657692 A CN202211657692 A CN 202211657692A CN 115832996 B CN115832996 B CN 115832996B
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- 230000009970 fire resistant effect Effects 0.000 claims abstract description 93
- 239000004020 conductor Substances 0.000 claims abstract description 61
- 238000009434 installation Methods 0.000 claims abstract description 27
- 230000002265 prevention Effects 0.000 claims abstract description 15
- 230000017525 heat dissipation Effects 0.000 claims description 9
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims 3
- 230000005672 electromagnetic field Effects 0.000 abstract description 2
- 239000012528 membrane Substances 0.000 abstract 1
- 239000000779 smoke Substances 0.000 description 11
- 239000000428 dust Substances 0.000 description 7
- 238000005192 partition Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002689 soil 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
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Abstract
The invention discloses an electromagnetic interference-preventing fire-resistant bus duct, which comprises: fire-resistant bus shell, conductor and installation apron, fire-resistant bus shell outer wall are equipped with a plurality of mounting holes, and the installation apron is connected with fire-resistant bus shell top detachably through the cooperation of a plurality of bolts and mounting hole, fire-resistant bus shell inner wall bottom fixedly connected with prevents electromagnetic interference layer, and in fire-resistant bus shell was located to a plurality of conductors, and the fire-resistant bus shell was extended at the conductor both ends. When fire-resistant bus shell receives external electromagnetic wave interference, can fine shielding external electromagnetic wave through electromagnetic shield membrane and shielding guide core, avoid influencing the work of the inside electrical components of fire-resistant bus shell, strengthened fire-resistant bus duct's electromagnetic interference prevention function, through the setting on anti-electromagnetic interference layer, can carry out fine shielding to external electromagnetic field, avoid receiving external electromagnetic interference to the condition that leads to this fire-resistant bus duct to not normally work appears.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to an electromagnetic interference-preventing fire-resistant bus duct.
Background
With the advent of modern engineering facilities and equipment, the power consumption of each industry is increased rapidly, and especially the appearance of numerous high-rise buildings and large-scale factory workshops, so that the traditional cable serving as a power transmission wire cannot meet the requirements in a large-current transmission system, meanwhile, the parallel use of multiple cables brings a plurality of inconveniences to field installation construction connection, and a bus duct serves as a power distribution wire and has great superiority in the process of large-current transmission.
The bus duct is a closed metal device formed by copper and aluminum bus columns and is used for distributing larger power for each element of a dispersion system, wires and cables are increasingly replaced in the project of indoor low-voltage power transmission trunk engineering, but the existing bus duct does not have an electromagnetic interference prevention function, is easy to receive external electromagnetic interference, and therefore the bus duct cannot work normally and is easy to burn.
Disclosure of Invention
The invention aims to provide an electromagnetic interference-preventing fire-resistant bus duct so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an electromagnetic interference resistant fire resistant bus duct comprising: fire-resistant bus shell, conductor and installation apron, fire-resistant bus shell outer wall are equipped with a plurality of mounting holes, and the installation apron is connected with fire-resistant bus shell top detachably through the cooperation of a plurality of bolts and mounting hole, fire-resistant bus shell inner wall bottom fixedly connected with prevents electromagnetic interference layer, and in fire-resistant bus shell was located to a plurality of conductors, and the fire-resistant bus shell was extended at the conductor both ends.
Preferably, the top of the electromagnetic interference prevention layer is fixedly connected with a plurality of conductor fixing blocks at equal intervals, and a plurality of mounting grooves for accommodating conductors are formed in the conductor fixing blocks.
Preferably, a plurality of conductors are installed in one-to-one fit with the installation groove, and the conductors movably penetrate through the fire-resistant bus shell along the installation groove, the two groups of fixing screw holes are symmetrically and fixedly connected to the inner wall of the fire-resistant bus shell, and the fixing screw rod movably penetrates through the front wall of the fire-resistant bus shell and the conductors and is in threaded connection with the fixing screw holes.
Preferably, a plurality of heat dissipation holes are formed in the bottom of the fireproof busbar shell.
Preferably, the electromagnetic interference prevention layer is composed of an electromagnetic shielding film and a shielding guide core, and the electromagnetic shielding film is wrapped outside the shielding guide core.
Preferably, the installation dismounting device is installed in fire-resistant bus shell outside, and installation dismounting device comprises main joint subassembly and vice fixed subassembly, and main joint subassembly and fire-resistant bus shell outer wall fixed connection, and vice fixed subassembly preinstalls in distribution equipment input port department.
Preferably, the main clamping assembly includes: the main fixed ring sleeve, the annular groove, the L-shaped clamping hooks and the installation and disassembly assembly are fixedly connected to the outer wall of one side, close to the conductor, of the fire-resistant bus shell, the annular groove is formed in one side, close to the auxiliary fixed assembly, of the main fixed ring sleeve, the three groups of L-shaped clamping hooks are fixedly connected to the outer cambered surface of the main fixed ring sleeve, and the outer cambered surface of the main fixed ring sleeve is provided with three groups of installation and disassembly assemblies.
Preferably, the sub-fixing assembly includes: the auxiliary fixing ring sleeve, the clamping ring, the mounting screw holes and the clamping grooves are formed in the auxiliary fixing ring sleeve, the auxiliary fixing ring sleeve is connected to the input port of the power distribution equipment at the valley bottom under the cooperation of the bolts and the mounting screw holes, the clamping ring is fixedly connected to one end, close to the main fixing ring sleeve, of the auxiliary fixing ring sleeve, and three groups of clamping grooves are formed in the outer cambered surface of the main fixing ring sleeve.
Preferably, the mounting-dismounting assembly comprises: the clamping plate comprises a limiting rod, a pressing plate, a connecting spring, a gasket, a clamping plate I, a clamping plate II, a stop cap, a fixing plate I and a fixing plate II, wherein the fixing plate I is fixedly connected with an outer cambered surface of a main fixing ring sleeve, the limiting rod is fixedly connected with the fixing plate I, the pressing plate is movably sleeved on the outer wall of the limiting rod, one end of the limiting rod, which is far away from the fixing plate I, is fixedly connected with the stop cap, the connecting spring is arranged between the pressing plate and the fixing plate I, one end of the connecting spring is fixedly connected with the pressing plate, the other end of the connecting spring is fixedly connected with the fixing plate I through the gasket, one end, which is close to the pressing plate, of the clamping plate I is fixedly connected with the end of the pressing plate, the fixing plate II is fixedly connected with an outer cambered surface of an auxiliary fixing ring sleeve, and a plurality of intermeshing teeth are arranged between the clamping plate I and the clamping plate II.
Preferably, the outer cambered surfaces of the main fixing ring sleeve and the auxiliary fixing ring sleeve are respectively provided with a positioning wire groove, and the positions of the two groups of positioning wire grooves are mutually corresponding.
Drawings
FIG. 1 is a schematic diagram of a front view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the bottom view structure of the present invention;
FIG. 4 is a schematic view of the internal structure of the fire-resistant busbar housing of the present invention;
FIG. 5 is a schematic diagram of a structure of a conductor fixing block according to the present invention;
FIG. 6 is a schematic diagram of an electromagnetic interference shielding layer according to the present invention;
FIG. 7 is a schematic view of the structure of the main clamping assembly and the auxiliary fixing assembly of the present invention;
FIG. 8 is a schematic diagram of the front view of the assembly and disassembly assembly of the present invention;
FIG. 9 is a schematic perspective view of an assembly and disassembly assembly according to the present invention;
FIG. 10 is a schematic diagram of the front view of the safety assembly of the present invention;
FIG. 11 is a schematic perspective view of a septum of the present invention;
FIG. 12 is a schematic view of the internal structure of the smoke exhaust pipe of the present invention;
FIG. 13 is a schematic view showing the internal structure of the partition plate and the dust box according to the present invention.
In the figure: 1. a fire resistant busbar housing; 2. a mounting hole; 3. a conductor; 4. installing a cover plate; 401. a security component; 5. a fixed screw; 6. a heat radiation hole; 7. fixing the screw holes; 8. an electromagnetic interference prevention layer; 9. a conductor fixing block; 10. a mounting groove; 11. an electromagnetic shielding film; 12. shielding the guide core; 13. a main clamping assembly; 14. a secondary fixing assembly; 15. a main fixing ring sleeve; 16. a ring groove; 17. an L-shaped clamping hook; 18. an auxiliary fixing ring sleeve; 19. a clasp; 20. installing a screw hole; 21. a clamping groove; 22. installing and dismantling the assembly; 23. a limit rod; 24. a pressing plate; 25. a connecting spring; 26. a gasket; 27. a clamping plate I; 28. a second clamping plate; 29. a stop cap; 30. a first fixing plate; 31. a second fixing plate; 32. positioning wire slots; 33. an exhaust port; 34. a T-shaped pipeline; 35. a smoke exhaust pipe; 36. a safety box; 37. a partition plate; 371. a through groove; 372. an opening; 38. a dust box; 39. a guide port; 40. a baffle; 41. a return spring; 42. a first link; 44. a T-shaped cavity; 45. a butt joint; 46. triangular blocks; 47. a second link; 48. a chute; 49. a ball bearing I; 50. a telescoping plate; 51. a third link; 52. a ball bearing II; 53. a fourth link; 54. a limit groove; 55. a limit rod; 56. a driving motor; 57. a fifth link; 58. and fixing the column.
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.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1:
Referring to fig. 1-6, the present invention provides a technical solution, including: fire-resistant bus bar shell 1, conductor 3 and installation apron 4, fire-resistant bus bar shell 1 outer wall is equipped with a plurality of mounting holes 2, and installation apron 4 can dismantle with fire-resistant bus bar shell 1 top through the cooperation of a plurality of bolts and mounting hole 2 and be connected, fire-resistant bus bar shell 1 inner wall bottom fixedly connected with electromagnetic interference prevention layer 8, and in fire-resistant bus bar shell 1 was located to a plurality of conductors 3, and the fire-resistant bus bar shell 1 was extended at conductor 3 both ends.
Preferably, a plurality of conductor fixing blocks 9 are fixedly connected to the top of the electromagnetic interference prevention layer 8 at equal intervals, and a plurality of mounting grooves 10 for accommodating the conductors 3 are formed in the conductor fixing blocks 9.
Preferably, a plurality of conductors 3 are installed in a one-to-one fit with the installation groove 10, and a plurality of conductors 3 movably penetrate through the fire-resistant bus shell 1 along the installation groove 10, two groups of fixing screw holes 7 are symmetrically and fixedly connected to the inner wall of the fire-resistant bus shell 1, and the fixing screw rods 5 movably penetrate through the front wall of the fire-resistant bus shell 1 and the plurality of conductors 3 and are in threaded connection with the fixing screw holes 7.
Preferably, the bottom of the fire-resistant bus shell 1 is provided with a plurality of heat dissipation holes 6.
Preferably, the electromagnetic interference preventing layer 8 is composed of an electromagnetic shielding film 11 and a shielding guide core 12, and the electromagnetic shielding film 11 is wrapped outside the shielding guide core 12.
The working principle and the beneficial effects of the technical scheme are as follows: the conductors 3 are inserted into the fire-resistant bus shell 1 in a penetrating way, so that the conductors 3 are wrapped by conductor fixing blocks 9 arranged at the upper ends of the electromagnetic interference prevention layers 8, then the two fixing screws 5 penetrate through the conductors 3 respectively, and then the conductors 3 can be limited by the external threads at the end heads of the fixing screws 5 and are in threaded connection with the fixing screw holes 7, so that the conductors 3 can not move left and right, the stability of the conductors 3 is ensured, looseness can not occur, wherein the conductors 3 can be prevented from being damaged due to the arrangement of mounting grooves 10 on the conductor fixing blocks 9, the stability of the whole conductors 3 is enhanced, the heat generated by the conductors 3 can be led out through the arrangement of the heat dissipation holes 6, the heat exchange is carried out between the outside of the fire-resistant bus shell 1 and the outside air, thereby playing a role in heat dissipation, preventing abnormal power supply, the conductor 3 is wrapped by the fire-resistant bus shell 1, and the fire-resistant bus shell can play a role in fire prevention, when the conductor 3 in the fire-resistant bus shell 1 is interfered by external electromagnetic waves, the external electromagnetic waves can be well shielded by the electromagnetic shielding film 11 and the shielding guide core 12, the work of the electric elements in the fire-resistant bus shell 1 is prevented from being influenced, the electromagnetic interference prevention function of the fire-resistant bus slot is enhanced, the electromagnetic field can be well shielded by the electromagnetic interference prevention layer 8, and the situation that the fire-resistant bus slot cannot work normally is avoided.
It should be noted that the number of conductors 3 and mounting slots 10 may be set according to actual needs and is not limited to the number shown in the drawings.
Example 2:
On the basis of embodiment 1, referring to fig. 2 and fig. 7-9, an installation and detachment device is installed on the outer side of the fire-resistant bus bar housing 1, the installation and detachment device is composed of a main clamping assembly 13 and an auxiliary fixing assembly 14, the main clamping assembly 13 is fixedly connected with the outer wall of the fire-resistant bus bar housing 1, and the auxiliary fixing assembly 14 is pre-installed at an input port of the power distribution equipment.
Preferably, the main clamping assembly 13 comprises: the main fixed ring sleeve 15, the annular groove 16, the L-shaped clamping hooks 17 and the installation and disassembly assembly 22, wherein the main fixed ring sleeve 15 is fixedly connected to the outer wall of one side of the fire-resistant bus shell 1, which is close to the conductor 3, the annular groove 16 is formed in one side of the main fixed ring sleeve 15, which is close to the auxiliary fixed assembly 14, the three groups of L-shaped clamping hooks 17 are fixedly connected to the outer cambered surface of the main fixed ring sleeve 15, and the outer cambered surface of the main fixed ring sleeve 15 is provided with the three groups of installation and disassembly assemblies 22.
Preferably, the secondary fixation assembly 14 includes: the auxiliary fixing ring sleeve 18, the clamping ring 19, the mounting screw holes 20 and the clamping grooves 21 are arranged on the auxiliary fixing ring sleeve 18, the auxiliary fixing ring sleeve 18 is connected to the input port of the power distribution equipment under the cooperation of the bolts and the mounting screw holes 20, the clamping ring 19 is fixedly connected to one end, close to the main fixing ring sleeve 15, of the auxiliary fixing ring sleeve 18, and three groups of clamping grooves 21 are arranged on the outer cambered surface of the main fixing ring sleeve 15.
Preferably, the mounting and dismounting assembly 22 includes: the clamping plate comprises a limiting rod 23, a pressing plate 24, a connecting spring 25, a gasket 26, a clamping plate I27, a clamping plate II 28, a stop cap 29, a fixing plate I30 and a fixing plate II 31, wherein the fixing plate I30 is fixedly connected with the outer cambered surface of a main fixing ring sleeve 15, the limiting rod 23 is fixedly connected with the fixing plate I30, the pressing plate 24 is movably sleeved on the outer wall of the limiting rod 23, one end, far away from the fixing plate I30, of the limiting rod 23 is fixedly connected with the stop cap 29, the connecting spring 25 is arranged between the pressing plate 24 and the fixing plate I30, one end of the connecting spring 25 is fixedly connected with the pressing plate 24, the other end of the connecting spring 25 is fixedly connected with the fixing plate I30 through the gasket 26, one end, close to the pressing plate 24, of the clamping plate I27 is fixedly connected with the end of the pressing plate 24, the fixing plate II 31 is fixedly connected with the outer cambered surface of an auxiliary fixing ring sleeve 18, the clamping plate II 28 is fixedly connected with the fixing plate II 31, and a plurality of mutually meshed teeth are arranged between the clamping plate I27 and the clamping plate II 28.
Preferably, the outer cambered surfaces of the main fixing ring sleeve 15 and the auxiliary fixing ring sleeve 18 are respectively provided with a positioning wire groove 32, and the positions of the two groups of positioning wire grooves 32 are mutually corresponding.
The working principle of the technical scheme has the beneficial effects that: when the device is used, firstly, the auxiliary fixing ring sleeve 18 is installed to any distribution equipment input port through the installation screw hole 20 by bolts, at this time, one end of the fire-resistant bus shell 1, which is provided with the conductor 3, is inserted into any distribution equipment input port, so that the conductor 3 is connected with an electrode in the distribution equipment input port, meanwhile, the clamping ring 19 arranged on the auxiliary fixing ring sleeve 18 is inserted into the annular groove 16 in the main fixing ring sleeve 15, the L-shaped clamping hook 17 penetrates through the clamping groove 21, after the main fixing ring sleeve 15 is tightly attached to the auxiliary fixing ring sleeve 18, the main fixing ring sleeve 15 is rotated by a worker, the main fixing ring sleeve 15 is aligned with the positioning slot 32 on the auxiliary fixing ring sleeve 18, at this time, the main fixing ring sleeve 15 is in a clamping state with the auxiliary fixing ring sleeve 18, and the positions of the fixing plate one 30 and the fixing plate two 31 are mutually corresponding, then the pressing plate 24 is pressed by the worker, so that the connecting spring 25 is contracted, at this time, the pressing plate 24 slides along the outer wall of the limiting rod 23, so that the clamping plate one 27 moves, after the clamping plate 27 moves to a proper position, the first 27 rotates by a certain angle, the worker rotates the clamping plate 27, so that the clamping plate 27 is meshed with the clamping plate 27 can be further stretched with the positioning slot 32, and the clamping plate 27 is further meshed with the limiting flange 28, and the clamping plate 27, so that the clamping plate can be conveniently fixed by the flange, and the clamping plate 27.
Through the setting of the device, can carry out the block with this fire-resistant bus duct and arbitrary distribution equipment and be connected to make the staff more convenient install and dismantle fire-resistant bus duct, improved personnel's work efficiency.
Example 3:
On the basis of embodiment 1, referring to fig. 1 and fig. 10-13, a plurality of sets of safety assemblies 401 are provided on top of the mounting cover 4, and the safety assemblies 401 include: the air exhaust port 33, the T-shaped pipeline 34, the smoke exhaust pipe 35, the safety box 36, the partition plate 37, the through groove 371, the opening 372, the dust box 38, the guide port 39, the baffle 40, the return spring 41, the first connecting rod 42, the T-shaped cavity 44, the abutting joint 45, the triangular block 46, the second connecting rod 47, the sliding groove 48, the first ball bearing 49, the expansion plate 50, the third connecting rod 51, the second ball bearing 52, the fourth connecting rod 53, the limit groove 54, the limit rod 55, the driving motor 56, the fifth connecting rod 57 and the fixed column 58;
The three groups of exhaust ports 33 are respectively connected with the outlets of the T-shaped pipelines 34, the bottoms of the T-shaped pipelines 34 are communicated with smoke exhaust pipes 35, the bottoms of the smoke exhaust pipes 35 are communicated with the top of the safety box 36, a partition plate 37 is fixedly connected in the safety box 36, the safety box 36 is divided into an upper chamber and a lower chamber by the partition plate 37, sand soil for extinguishing fire is arranged in the chamber at the upper end, a dust box 38 is arranged in the chamber at the lower end, the dust box 38 is fixedly connected with the bottoms of the partition plates 37, and a guide port 39 is communicated with the bottom of the safety box 36;
A T-shaped cavity 44 is arranged in the smoke exhaust pipe 35, a baffle 40 is movably arranged at the top of the T-shaped cavity 44, a return spring 41, a first connecting rod 42 and a triangular block 46 are arranged in the T-shaped cavity 44, the top of the first connecting rod 42 movably penetrates through the smoke exhaust pipe 35 and is fixedly connected with the baffle 40, a butt joint 45 is arranged at the bottom of the first connecting rod 42, the return spring 41 is sleeved on the outer wall of the first connecting rod 42, the upper end of the return spring 41 is fixedly connected with the top of the inner wall of the smoke exhaust pipe 35, the lower end of the return spring 41 is fixedly connected with the outer wall of the first connecting rod 42, the triangular block 46 is slidably connected with the bottom of the inner wall of the T-shaped cavity 44, and the triangular block 46 is fixedly connected with the side wall of the top of the second connecting rod 47;
The baffle 37 is provided with a through groove 371 and an opening 372 which vertically penetrate through, the baffle 37 is of a hollow chute 48 structure, the expansion plate 50 is movably arranged in the chute 48, the lower end of the second connecting rod 47 extends into the baffle 37 through the opening 372 and is fixedly connected with the expansion plate 50, one end of the third connecting rod 51 is rotatably connected with the expansion plate 50 through a first ball bearing 49, the other end of the third connecting rod 51 is rotatably connected with the fourth connecting rod 53 through a second ball bearing 52, a limit groove 54 is formed in the middle of the fourth connecting rod 53, a limit rod 55 is arranged in the limit groove 54, one end of the fifth connecting rod 57 is movably connected with the limit groove 54 through the limit rod 55, the other end of the fifth connecting rod 57 is fixedly connected with an output shaft of the driving motor 56, the fixing column 58 is fixedly connected with the inner wall of the dust box 38, the driving motor 56 is fixedly connected with the outer wall of the front side of the fixing column 58, and one end of the fourth connecting rod 53 close to the front side of the fixing column 58 is rotatably connected with the outer wall of the fixing column 58.
Preferably, a temperature sensor is mounted in the fire-resistant busbar housing 1, and the temperature sensor is electrically connected to the drive motor 56.
The working principle of the technical scheme has the beneficial effects that: when the temperature in the fire-resistant bus shell 1 is too high to cause a fire disaster, the temperature sensor controls the driving motor 56 to start, the driving motor 56 drives the fifth connecting rod 57 to rotate 180 degrees, the fifth connecting rod 57 moves along the inner wall of the limiting groove 54 through the limiting rod 55 and synchronously pushes the fourth connecting rod 53, so that the fourth connecting rod 53 moves leftwards through the third connecting rod 51 and pulls the expansion plate 50 to shrink, the through groove 371 is opened when the expansion plate 50 shrinks, and therefore sand in the cavity at the upper end of the partition plate 37 can be scattered into the fire-resistant bus shell 1 through the through groove 371 and the guide opening 39, the fire disaster is extinguished, and the fire-resistant effect is achieved.
Meanwhile, when the expansion plate 50 moves leftwards and expands, the second connecting rod 47 is driven to move along the opening 372, the second connecting rod 47 pushes the triangular block 46 to jack up the first connecting rod 42 in the moving process, the inside of the fireproof bus shell 1 is communicated with the outside, explosion is prevented, smoke generated by combustion and dust generated by fire extinguishment are discharged from the three groups of exhaust ports 33 through the smoke exhaust pipe 35 and the T-shaped pipeline 34, and the filter screen is arranged at the outlet of the exhaust port 33, so that the discharged smoke can be filtered, and the environmental protection is improved.
The combustion condition can be destroyed through the arrangement of the safety assembly 401, and the fireproof performance and the safety of the fireproof bus duct are improved.
Example 4:
On the basis of any one of the embodiments 1 to 3, the method further comprises:
A current sensor electrically connected to the conductor 3 for detecting a mean value of current through the conductor 3 during a duty cycle;
The temperature sensor is arranged in the fire-resistant bus shell 1 and is used for detecting the temperature in the fire-resistant bus shell 1;
The timer is arranged on the outer wall of the fire-resistant bus shell 1 and is used for detecting the energizing time of the conductor 3;
the alarm is arranged on the outer surface of the fire-resistant bus shell 1;
The controller, the controller sets up fire-resistant busbar shell 1 surface, the controller respectively with current sensor, temperature sensor, time-recorder and alarm electric connection, the controller is based on current sensor, temperature sensor, time-recorder control the alarm work includes:
Step 1: the controller obtains the heat dissipation coefficient of the conductor 3 in the working period based on the current sensor, the temperature sensor and the timer and the formula (1):
（1）；
Wherein, For the heat dissipation coefficient of the conductor 3 during the working cycle,/>For the heat exchange area between conductor 3 and air,/>For the thickness of the fire-resistant busbar housing 1,/>For the diameter of the heat sink 6,/>For maximum detection value of temperature sensor in detection period,/>Is the preset ambient temperature,/>In order to obtain the average value of the temperature sensor in the detection period, B is the Prand number,/>To prevent the specific heat capacity of the electromagnetic interference layer 8,/>Is the specific heat capacity of the fire-resistant busbar housing 1;
Step 2: based on step 1, the safety coefficient of the fire-resistant bus duct is calculated through formula (2):
（2）；
Wherein, For the safety factor of the fire-resistant bus duct, R is the resistance of the conductor 3, I is the detection value of the current sensor, U is the preset voltage (based on the voltage value in the power system to which the fire-resistant bus duct is applied), N is the detection period, which is obtained based on a timer,/>For the heat transfer coefficient of the electromagnetic interference prevention layer 8,/>Is the heat transfer coefficient of the fire-resistant busbar housing 1,/>Is a natural constant, the value is 2.72, G is a correction coefficient (the value is more than 0 and less than 1, and is set by considering the factors of the use environment of the conductor 3), and ln is a natural logarithm;
Step 3: the controller compares the safety coefficient of the fire-resistant bus duct with a preset safety coefficient, and if the safety coefficient of the fire-resistant bus duct is not within the preset safety coefficient threshold (0.8-1.5), the controller controls the alarm to give an alarm.
It is assumed that the number of the sub-blocks,=0.03/>，/>=1cm，/>=0.3cm，/>=46℃，/>=26℃，/>=37℃，B=0.54，/>=1.7，/>=2.4/>The heat dissipation coefficient x=1.76 of the conductor 3 in the duty cycle (two bits after the decimal point) is calculated by the formula (1).
Let r=5，I=100A，U=600V，N=48h，/>=0.87/>，/>=/>G=0.8, and calculating the safety coefficient/>, of the refractory bus duct by the formula (2)=0.67 (Taking the two decimal places).
The working principle of the scheme has the beneficial effects that: when the fire-resistant bus duct is used for a long time, the temperature and the current in the working process of the fire-resistant bus duct are detected by the current sensor, the temperature sensor and the timer, the safety coefficient of the fire-resistant bus duct is calculated by the controller by using the formula (1) and the formula (2), and if the safety coefficient of the fire-resistant bus duct is not in a preset safety coefficient threshold value (0.8-1.5), the controller controls the alarm to give an alarm to remind a user to check the heat dissipation performance of the fire-resistant bus duct, so that the safety and the intelligence of the device are improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. An electromagnetic interference resistant fire resistant bus duct comprising: fire-resistant busbar shell (1), conductor (3) and installation apron (4), its characterized in that:
The outer wall of the fire-resistant bus shell (1) is provided with a plurality of mounting holes (2), the mounting cover plate (4) is detachably connected with the top of the fire-resistant bus shell (1) through the cooperation of a plurality of bolts and the mounting holes (2), the bottom of the inner wall of the fire-resistant bus shell (1) is fixedly connected with an electromagnetic interference prevention layer (8), a plurality of conductors (3) are arranged in the fire-resistant bus shell (1), and the two ends of the conductors (3) extend out of the fire-resistant bus shell (1);
The outer side of the fire-resistant bus shell (1) is provided with an installation and disassembly device, the installation and disassembly device consists of a main clamping assembly (13) and an auxiliary fixing assembly (14), the main clamping assembly (13) is fixedly connected with the outer wall of the fire-resistant bus shell (1), and the auxiliary fixing assembly (14) is preinstalled at an input port of the power distribution equipment;
The main clamping assembly (13) comprises: the main fixing ring sleeve (15), the ring grooves (16), the L-shaped clamping hooks (17) and the mounting and dismounting assembly (22), wherein the main fixing ring sleeve (15) is fixedly connected to the outer wall of one side, close to the conductor (3), of the fire-resistant bus shell (1), the ring grooves (16) are formed in one side, close to the auxiliary fixing assembly (14), of the main fixing ring sleeve (15), the three groups of L-shaped clamping hooks (17) are fixedly connected to the outer cambered surface of the main fixing ring sleeve (15), and the outer cambered surface of the main fixing ring sleeve (15) is provided with three groups of mounting and dismounting assemblies (22);
The installation and disassembly assembly (22) comprises: stop lever (23), clamp plate (24), connecting spring (25), gasket (26), cardboard one (27), cardboard two (28), end position cap (29), fixed plate one (30), fixed plate two (31), fixed plate one (30) and main fixed ring cover (15) extrados fixed connection, stop lever (23) and fixed plate one (30) fixed connection, clamp plate (24) activity cup joints in stop lever (23) outer wall, one end fixedly connected with end position cap (29) of fixed plate one (30) is kept away from to stop lever (23), connecting spring (25) are located between clamp plate (24) and fixed plate one (30), and connecting spring (25) one end and clamp plate (24) fixed connection, the other end of connecting spring (25) is through gasket (26) and fixed plate one (30) fixed connection, one end that clamp plate one (27) is close to clamp plate (24) is fixed connection with clamp plate (24) end, fixed plate two (31) and vice fixed ring cover (18) extrados fixed connection, cardboard two (28) and fixed plate two (31) fixed connection.
2. An electromagnetic interference resistant fire resistant bus duct as set forth in claim 1 wherein:
A plurality of conductor fixing blocks (9) are fixedly connected to the top of the electromagnetic interference prevention layer (8) at equal intervals, and a plurality of mounting grooves (10) for accommodating the conductors (3) are formed in the conductor fixing blocks (9).
3. An electromagnetic interference resistant fire resistant bus duct as set forth in claim 2 wherein:
A plurality of conductors (3) are installed with mounting groove (10) one-to-one, and a plurality of conductors (3) run through fire-resistant busbar shell (1) along mounting groove (10) activity, and two sets of fixed screw (7) symmetry fixed connection are in fire-resistant busbar shell (1) inner wall fixed connection, and fixed screw (5) run through fire-resistant busbar shell (1) front wall and a plurality of conductors (3) activity to with fixed screw (7) threaded connection.
4. An electromagnetic interference resistant fire resistant bus duct as set forth in claim 3 wherein:
A plurality of heat dissipation holes (6) are formed in the bottom of the fireproof busbar shell (1).
5. An electromagnetic interference resistant fire resistant bus duct as set forth in claim 2 wherein:
The electromagnetic interference prevention layer (8) consists of an electromagnetic shielding film (11) and a shielding guide core (12), and the electromagnetic shielding film (11) is wrapped outside the shielding guide core (12).
6. An electromagnetic interference resistant fire resistant bus duct as set forth in claim 1 wherein:
The secondary fixing assembly (14) includes: auxiliary fixed ring sleeve (18), snap ring (19), installation screw (20), draw-in groove (21), be equipped with a plurality of installation screw (20) on auxiliary fixed ring sleeve (18), auxiliary fixed ring sleeve (18) are connected in distribution equipment input port department in the valley bottom under the cooperation of bolt and installation screw (20), and auxiliary fixed ring sleeve (18) is close to one end fixedly connected with snap ring (19) of main fixed ring sleeve (15), and main fixed ring sleeve (15) extrados is equipped with three group's draw-in grooves (21).
7. An electromagnetic interference resistant fire resistant bus duct as set forth in claim 1 wherein:
A plurality of teeth meshed with each other are arranged between the first clamping plate (27) and the second clamping plate (28), the outer cambered surfaces of the main fixing ring sleeve (15) and the auxiliary fixing ring sleeve (18) are respectively provided with a positioning wire groove (32), and the positions of the two groups of positioning wire grooves (32) are mutually corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211657692.8A CN115832996B (en) | 2022-12-22 | 2022-12-22 | Fireproof bus duct capable of preventing electromagnetic interference |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211657692.8A CN115832996B (en) | 2022-12-22 | 2022-12-22 | Fireproof bus duct capable of preventing electromagnetic interference |
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| Publication Number | Publication Date |
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| CN115832996A CN115832996A (en) | 2023-03-21 |
| CN115832996B true CN115832996B (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (6)
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| US4097103A (en) * | 1977-05-18 | 1978-06-27 | General Electric Company | Busway plug assembly |
| US6301095B1 (en) * | 1999-12-23 | 2001-10-09 | 3Com Corporation | System and method of distributing power to a plurality of electronic modules housed within an electronics cabinet |
| CN209658834U (en) * | 2018-12-29 | 2019-11-19 | 江苏成城电气有限公司 | A kind of New refractory bus groove |
| CN110649544A (en) * | 2018-06-27 | 2020-01-03 | 江苏中顺电气有限公司 | Protection device for power transmission bus duct |
| CN211743985U (en) * | 2020-03-25 | 2020-10-23 | 江苏迅驰电气有限公司 | Fire-resistant bus duct |
| WO2022037088A1 (en) * | 2020-08-21 | 2022-02-24 | 威腾电气集团股份有限公司 | Busway device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6287891B2 (en) * | 2015-02-24 | 2018-03-07 | 株式会社オートネットワーク技術研究所 | Electrical connection box and connection terminal parts |
-
2022
- 2022-12-22 CN CN202211657692.8A patent/CN115832996B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4097103A (en) * | 1977-05-18 | 1978-06-27 | General Electric Company | Busway plug assembly |
| US6301095B1 (en) * | 1999-12-23 | 2001-10-09 | 3Com Corporation | System and method of distributing power to a plurality of electronic modules housed within an electronics cabinet |
| CN110649544A (en) * | 2018-06-27 | 2020-01-03 | 江苏中顺电气有限公司 | Protection device for power transmission bus duct |
| CN209658834U (en) * | 2018-12-29 | 2019-11-19 | 江苏成城电气有限公司 | A kind of New refractory bus groove |
| CN211743985U (en) * | 2020-03-25 | 2020-10-23 | 江苏迅驰电气有限公司 | Fire-resistant bus duct |
| WO2022037088A1 (en) * | 2020-08-21 | 2022-02-24 | 威腾电气集团股份有限公司 | Busway device |
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| Publication number | Publication date |
|---|---|
| CN115832996A (en) | 2023-03-21 |
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