CN108199336A - A kind of intelligent low-pressure cable branch box - Google Patents
A kind of intelligent low-pressure cable branch box Download PDFInfo
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- CN108199336A CN108199336A CN201810119905.9A CN201810119905A CN108199336A CN 108199336 A CN108199336 A CN 108199336A CN 201810119905 A CN201810119905 A CN 201810119905A CN 108199336 A CN108199336 A CN 108199336A
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- cable
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- branch
- installing plate
- module
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- 238000009434 installation Methods 0.000 claims abstract description 51
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 239000000758 substrate Substances 0.000 claims description 25
- 230000002787 reinforcement Effects 0.000 claims description 21
- 241000274582 Pycnanthus angolensis Species 0.000 claims description 14
- 239000011087 paperboard Substances 0.000 claims description 14
- 238000004458 analytical method Methods 0.000 claims description 12
- 238000005070 sampling Methods 0.000 claims description 12
- 239000004973 liquid crystal related substance Substances 0.000 claims description 11
- 238000004891 communication Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 230000005526 G1 to G0 transition Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
Abstract
The invention discloses a kind of intelligent low-pressure cable branch box; including pedestal, branch's box body for being fixedly connected on pedestal top, the chamber door for being movably connected on by hinge branch's box body frontal left, inlet wire cable, earth leakage protective device, outlet cable and the power monitoring system for being installed on the cable installation rack of feeder pillar cabinets cavity and being respectively arranged on cable installation rack.The intelligent low-pressure cable branch box, cable installation rack manually rapidly can steadily be pulled out out of branch box body, so that guardian can all watch from all directions of cable installation rack and dismount cable installation, be conducive to that the cable installation being installed on cable installation rack is repaired, replaced and maintained, the property easy to use of the cable branch box and dismounting convenience are improved, extends the service life of the intelligent low-pressure cable branch box.
Description
Technical field
The present invention relates to cable branch box technical field, specially a kind of intelligent low-pressure cable branch box.
Background technology
Nowadays, in electric system, the electrical cabinet bodies dosage such as cable branch box, ring main unit, power distribution cabinet is very big, usually
Field or remote distributed installation, cable branch box are divided into American feeder pillar and European feeder pillar and on-load switch disjunction type
Cable branch box etc., after cable branch box breaks down accident, maintenance personnel needs timely to carry out cable branch box
It safeguards.
During guardian safeguards, need after opening chamber door, guardian, which holds maintenance tool hand and body, to stretch
Enter in cable branch box and safeguarded, since the space in cable branch box is limited, in addition guardian sometimes can transition stretch
Enter into cable branch box, hand and body can excessively occupy the space in cable branch box, can seriously limit maintenance person in this way
Arm activity space, it is impossible to the cable installation of failure is dismantled, also cannot rapidly be pacified when replacing cable installation
Cable installation is filled, the maintenance to cable branch box inner cable facility and efficiency can be influenced in this way, increase the maintenance of cable installation
Difficulty is not easy to safeguard cable installation, the strong influence service life of cable branch box.
Invention content
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of intelligent low-pressure cable branch box
Problem.
Its technical solution is：A kind of intelligent low-pressure cable branch box including pedestal, is fixedly connected on the branch on pedestal top
Box body, the chamber door that branch's box body frontal left is movably connected on by hinge, the cable for being installed on feeder pillar cabinets cavity
Mounting bracket and the inlet wire cable being respectively arranged on cable installation rack, earth leakage protective device, outlet cable and electric power monitoring system
System, the inlet wire cable are electrically connected by earth leakage protective device and three groups of outlet cables, and every group outlet cable one end is respectively connected with electricity
Cable joint, the right side boxboard of branch's box body offer slide opening and lower slide opening respectively from top to bottom, and slide opening is under on this
The side view shape of slide opening is in rectangular configuration；The right side of boxboard has been respectively fixedly connected with from top to bottom on the left of branch's box body
Upper location-plate and lower positioning plate, the upper location-plate and lower positioning plate the substrate including " L " shape structure, be fixedly connected on substrate and erect
Transverse slat on the right side of straight section top surface, being fixedly connected on side plate and interval of the substrate anyhow on the right side of section top surface, to be connected to substrate vertical
Six groups of movable pulleys between on the left of section right side and side plate, and every group of movable pulley all includes being laterally connected between substrate and side plate
Fixed pole and pivot bush unit in the roller of fixed pole outer surface；The left side on the substrate vertical section right side, the bottom of transverse slat and side plate
Gap between the three of side forms chamber；The top middle portion of the feeder pillar bottom of box boxboard is offered to be passed through for inlet wire cable
It is rectangular-shaped wear mouth, the top right side opening of the feeder pillar bottom of box boxboard is equipped with screw hole.
The cable installation rack includes main installing plate, the secondary installing plate being vertically connected on the right side of main installing plate and fixes
Reinforcement plate between being connected on the left of main installing plate frontal left and secondary installing plate, the front of the main installing plate is intervally distributed with master
Heat emission hole, and the front of main installing plate is respectively fixedly connected with the first fixed board and the second fixed board of current supply cable installation from top to bottom；
Sliding block is fixedly connected on the left of first fixed board and the second fixed board, it is fixed that the sliding block on the left of first fixed board extends into first
In plate chamber and shoe surface is bonded to each other, and another sliding block on the left of the second fixed board extends into the second fixed board with roller surface
In chamber and shoe surface is bonded to each other with roller surface；The top left hand of the reinforcement plate is fixedly connected with the first convex block,
The second convex block is fixedly connected on the right side of the top of the reinforcement plate, the right side of the second convex block passes through a left side for third bolt and pair installing plate
Side stationary phase is connected, and the back of the first convex block is fixedly linked by the frontal left of third bolt and main installing plate in one
Body, the top right side of reinforcement plate are equipped with screw, and the bottom end of screw is extended spirally in screw hole.
The surface of the pair installing plate vertically offers three groups of pair heat emission holes side by side, and the right side of the pair installing plate is from top to bottom
It is connected separately with the steady wheel of increasing and the steady wheel of lower increasing；The steady wheel of upper increasing all includes even block, the company's of being fixedly connected on block with the steady wheel of lower increasing
The dead axle and pivot bush unit of right side central increase the dead axle right end surely taken turns and stretch into cunning in the position-limited wheel of dead axle outer surface on this
In hole and the upper hole wall of limiting wheel outer surface and upper slide opening surely taken turns that increases fits, and the lower dead axle right end surely taken turns that increases stretches into downslide
In hole and lower increase the limiting wheel outer surface surely taken turns and the hole wall of lower slide opening fits；The upper dead axle right end surely taken turns that increases passes through simultaneously
Position in stretching on the right side of slide opening is fixedly connected with connecting plate by the second bolt, and the left side bottom surface of the connecting plate is determined with what lower increasing was surely taken turns
Axis right end is connected through and out lower slide opening right positions stationary phase.
Power monitoring system is installed on the left of the pair installing plate, which includes power module, monolithic
Machine, sampling analysis module, local discharge sensor, communication module and control center server；The power module it is defeated
Outlet has been electrically connected voltage acquisition module, current acquisition module and temperature collecting module, and the voltage acquisition module, electric current are adopted
The output terminal of collection module and temperature collecting module is electrically connected with the input terminal of microcontroller；The local discharge sensor passes through
Sampling analysis module is electrical connected with microcontroller；The output terminal of the microcontroller is electrically connected with alarm module, which passes through
Communication module is connected with control center Server remote.
The voltage acquisition module is electrical connected with inlet wire cable, current acquisition module and every group of the electrical phase of outlet cable
Even, temperature collecting module is electrical connected with cable connector, which acquires the voltage of inlet wire cable, current acquisition mould
Block acquires the electric current of outlet cable, and temperature collecting module acquires the temperature of cable connector, and voltage signal, the current signal acquired
Microcontroller is transferred to temperature signal to be analyzed and processed, microcontroller therein is C8051 microcontrollers.
The front of the chamber door is offered in square aperture embedded with liquid crystal display, the liquid crystal display and monolithic electromechanics
Property be connected, microcontroller by the voltage signal measured, current signal and temperature signal and calculate gained cable operation data pass
It is defeated to carrying out real-time display on liquid crystal display.
The local discharge sensor is installed on each cable of branch's box body, which will detect institute
The data-signal transmission obtained is transferred to sampling analysis module.
The side view shape of the even block is in rectangular configuration, this connects the right side for passing on left the first bolt and secondary installing plate of block
Stationary phase is connected, and the location interval that even left side of block and secondary installing plate right side are in contact offers " S " shape wave-shaped groove
Line.
The plate body outer surface of the connecting plate is coated with rubber pad, and the inner surface of the rubber pad is in contact position with connecting plate outer surface
It puts coated with adhesive.
The vertical extension of the side plate is 1/3rd of substrate vertical extension, and the plate body surface of the side plate and substrate applies
It is covered with refractory layer.
The main installing plate is identical with the vertical extension of secondary installing plate, and the vertical extension of the main installing plate is branch's box body
3/4ths of internal box wall vertical extension.
The rectangular triangular structure of whole plan shape that the main installing plate, secondary installing plate and reinforcement plate mutually form,
The plate body bottom of the reinforcement plate is bonded with anti-wear gasket.
The power module is ups power, and alarm module is sound and light alarm module.
The beneficial effects of the invention are as follows：The intelligent low-pressure cable branch box is steady by upper location-plate, lower positioning plate, upper increasing
Wheel and the steady wheel of lower increasing, manually rapidly can steadily pull out cable installation rack out of branch box body so that guardian is from electricity
The all directions of cable mounting bracket can all watch and dismount cable installation, be conducive to the cable installation to being installed on cable installation rack
It repairs, replace and maintains, guardian's hand body transition when being safeguarded to cable installation is prevented to be inserted into feeder pillar
Babinet and occupy the space in branch's box body and influence the maintenance work of cable installation, the cable branch box is greatly improved
Property easy to use and dismounting convenience, extend the service life of the intelligent low-pressure cable branch box, it is low to be conducive to the intelligence
The popularization and use of voltage cable feeder pillar.
Power Transmission parameter in cable can be included voltage, electric current, temperature etc. by the present invention by power monitoring system
Control center server this platform progress intellectual monitoring is transmitted to, it is convenient rapid convenient for the state of monitoring cable operation
It is safeguarded in time after learning the fault location information in cable, ensures the reliability that cable uses, that improves equipment uses the longevity
Life.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural perspective of cable installation rack of the present invention；
Fig. 3 is the A-A structure diagrams of Fig. 1 of the present invention；
Fig. 4 is the B-B structure diagrams of Fig. 1 of the present invention；
Fig. 5 is the C-C structure diagrams of Fig. 2 of the present invention；
Fig. 6 is the structural perspective of branch's box body of the present invention；
Fig. 7 is the D-D structure diagrams of Fig. 6 of the present invention；
Fig. 8 is the structural perspective of the secondary installing plate of the present invention；
Fig. 9 increases the structural perspective surely taken turns down for the present invention；
Figure 10 is the structure diagram of power monitoring system of the present invention；
In figure：1 pedestal, 2 branch's box bodies, slide opening on 21,22 times slide openings, 23 wear mouth, 24 screw holes, 3 chamber doors, 4 liquid crystal displays,
5 cable installation racks, 51 main installing plates, 511 first fixed boards, 512 second fixed boards, 513 main heat emission holes, 514 sliding blocks, 52 secondary installations
Plate, 521 secondary heat emission holes increase steady wheel on 522, increase steady wheel for 523 time, 5231 connect blocks, 5,232 first bolts, 5233 grooves, 5234 determine
It is axis, 5235 position-limited wheels, 524 connecting plates, 5,241 second bolts, 525 rubber pads, 53 reinforcement plates, 531 first convex blocks, 532 second convex
Block, 5321 third bolts, 533 screws, 6 times positioning plates, 7 upper location-plates, 71 substrates, 72 transverse slats, 73 side plates, 74 movable pulleys, 741
Fixed pole, 742 rollers, 8 inlet wire cables, 9 earth leakage protective devices, 10 outlet cables, 11 cable connectors, 12 power monitoring systems, 121 electricity
Source module, 122 voltage acquisition modules, 123 current acquisition modules, 124 temperature collecting modules, 125 microcontrollers, 126 shelf depreciations
Sensor, 127 sampling analysis modules, 128 alarm modules, 129 communication modules, 1210 control center servers.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Refering to Fig. 1-10, a kind of intelligent low-pressure cable branch box including pedestal 1, is fixedly connected on the branch on 1 top of pedestal
Box body 2, is installed on 2 inner cavity of branch's box body at the chamber door 3 that 2 frontal left of branch's box body is movably connected on by hinge
Cable installation rack 5 and the inlet wire cable 8 being respectively arranged on cable installation rack 5, earth leakage protective device 9, outlet cable 10 and electricity
Power monitors system 12, which is electrically connected by earth leakage protective device 9 and three groups of outlet cables 10, every group of outlet cable
10 one end are respectively connected with cable connector 11.
The right side boxboard of branch's box body 2 offers slide opening 21 and lower slide opening 22 respectively from top to bottom, slide opening 21 on this
It is in rectangular configuration with the side view shape of lower slide opening 22；The right side of 2 left side boxboard of branch's box body is fixed respectively from top to bottom to be connected
Upper location-plate 7 and lower positioning plate 6 are connected to, the upper location-plate 7 and lower the positioning plate 6 substrate 71 including " L " shape structure, fixed company
Be connected to the transverse slat 72 on the right side of 71 vertical section top surface of substrate, be fixedly connected on side plate 73 of the substrate 71 anyhow on the right side of section top surface and
Interval is connected to six groups of movable pulleys 74 between 73 left side of side plate on the right side of 71 vertical section of substrate, and every group of movable pulley 74 all wraps
The fixed pole 741 being laterally connected between substrate 71 and side plate 73 and pivot bush unit are included in the roller 742 of 741 outer surface of fixed pole；
Gap between the left side three on 71 vertical section of substrate right side, the bottom of transverse slat 72 and side plate 73 forms chamber；Branch's box body 2
The top middle portion of bottom boxboard offer for inlet wire cable 8 pass through it is rectangular-shaped wear mouth 23, the 2 bottom boxboard of branch's box body
Top right side opening is equipped with screw hole 24.
Cable installation rack 5 includes main installing plate 51, the secondary installing plate 52, the Yi Jigu that are vertically connected at main 51 right side of installing plate
Surely the reinforcement plate 53 being connected between 52 left side of main 51 frontal left of installing plate and secondary installing plate, between the front of the main installing plate 51
Every being distributed with main heat emission hole 513, and the front of main installing plate 51 is respectively fixedly connected with the first of current supply cable installation from top to bottom
511 and second fixed board 512 of fixed board；The left side of first fixed board 511 and the second fixed board 512 has been fixedly connected with sliding block 514, this first
The sliding block 514 in 511 left side of fixed board extends into 511 chamber of the first fixed board and 514 surface of sliding block is mutually pasted with 742 surface of roller
It closes, and another sliding block 514 in the left side of the second fixed board 512 extends into 512 chamber of the second fixed board and 514 surface of sliding block and roller
742 surfaces are bonded to each other；The top left hand of reinforcement plate 53 is fixedly connected with the first convex block 531, the top right side of the reinforcement plate 53
The second convex block 532 is fixedly connected with, the right side of the second convex block 532 is fixed by third bolt 5321 and the left side of secondary installing plate 52
Be connected in one, the back of the first convex block 531 by the frontal left of third bolt 5321 and main installing plate 51 be fixedly linked in
One, the top right side of reinforcement plate 53 are equipped with screw 533, and the bottom end of screw 533 is extended spirally in screw hole 24.
The surface of secondary installing plate 52 vertically offers three groups of pair heat emission holes 521 side by side, and the right side of the pair installing plate 52 is from upper
The steady wheel 522 of upper increasing and the steady wheel 523 of lower increasing are connected separately under；The upper steady wheel 522 of increasing all includes even block with the steady wheel 523 of lower increasing
5231st, the dead axle 5234 of 5231 right side central of the company's of being fixedly connected on block and pivot bush unit are in the limiting of 5234 outer surface of dead axle
Wheel 5235,5234 right end of dead axle for increasing steady wheel 522 on this are stretched into slide opening 21 and 5235 appearance of position-limited wheel of the steady wheel 522 of upper increasing
Face and the hole wall of upper slide opening 21 fit, and 5234 right end of dead axle of the steady wheel 523 of lower increasing stretches into lower slide opening 22 and the steady wheel of lower increasing
523 5235 outer surface of position-limited wheel and the hole wall of lower slide opening 22 fit；5234 right end of dead axle of the upper steady wheel 522 of increasing is passed through and is stretched
The position for going out upper 21 right side of slide opening is fixedly connected with connecting plate 524 by the second bolt 5241, and the left side bottom surface of the connecting plate 524 is under
5234 right end of dead axle for increasing steady wheel 523 is connected through and out lower 22 right positions stationary phase of slide opening.
The left side of secondary installing plate 52 is equipped with power monitoring system 12, the power monitoring system 12 include power module 121,
Microcontroller 125, sampling analysis module 127, local discharge sensor 126, communication module 129 and control center server
1210；The output terminal of power module 121 has been electrically connected voltage acquisition module 122, current acquisition module 123 and temperature acquisition
Module 124, the output terminal of the voltage acquisition module 122, current acquisition module 123 and temperature collecting module 124 is and microcontroller
125 input terminal is electrically connected；Local discharge sensor 126 is electrical connected by sampling analysis module 127 and microcontroller 125；
The output terminal of microcontroller 125 is electrically connected with alarm module 128, which passes through communication module 129 and control center
Server 1210 is remotely connected.
Voltage acquisition module 122 is electrical connected with inlet wire cable 8, current acquisition module 123 and every group of outlet cable 10
It is electrical connected, temperature collecting module 124 is electrical connected with cable connector 11, the voltage acquisition module 122 acquisition inlet wire cable 8
Voltage, current acquisition module 123 acquire the electric current of outlet cable 10, and temperature collecting module 124 acquires the temperature of cable connector 11,
And voltage signal, current signal and the temperature signal of acquisition are transferred to microcontroller 125 and are analyzed and processed, microcontroller therein
125 be C8051 microcontrollers.
The front of chamber door 3 is offered in square aperture embedded with liquid crystal display 4, the liquid crystal display 4 and microcontroller 125
It is electrical connected, the cable of the voltage signal measured, current signal and temperature signal and calculating gained is run number by microcontroller 125
Real-time display is carried out according to being transferred on liquid crystal display 4.
Local discharge sensor 126 is installed on each cable of branch's box body 2, which will examine
The data-signal transmission for surveying gained is transferred to sampling analysis module 127, and cable is analyzed and determined by sampling analysis module 127
During corona flashover, the result that will determine that is sent to number and size of current that microcontroller 125 records cable generation corona flashover, and
Alarm module 128 is driven to be alarmed.
Even the side view shape of block 5231 is in rectangular configuration, which installs with secondary
The right side stationary phase of plate 52 is connected, and even the left side of block 5231 is opened up with the location interval that secondary 52 right side of installing plate is in contact
There is " S " shape waveform groove 5233, the setting of groove 5233 can increase the degree of roughness on even 5231 surface of block, the company's of increasing block
The frictional force on 5231 surfaces, the stable connection of the company's of raising block 5231 and secondary installing plate 52.
The plate body outer surface of connecting plate 524 is coated with rubber pad 525, inner surface and 524 outer surface of connecting plate of the rubber pad 525
Position be in contact coated with adhesive.
The vertical extension of side plate 73 is the plate body surface of 1/3rd of 71 vertical extension of substrate, the side plate 73 and substrate 71
It is coated with refractory layer.
Main installing plate 51 is identical with the vertical extension of secondary installing plate 52, and the vertical extension of the main installing plate 51 is feeder pillar case
3/4ths of 2 internal box wall vertical extension of body.
The rectangular triangle knot of whole plan shape that main installing plate 51, secondary installing plate 52 and reinforcement plate 53 mutually form
Structure, the plate body bottom of the reinforcement plate 53 are bonded with anti-wear gasket.
Power module 121 is ups power, and alarm module 128 is sound and light alarm module.
The intelligent low-pressure cable branch box passes through upper location-plate 7, lower positioning plate 6, the steady wheel 522 of upper increasing and the steady wheel of lower increasing
523, cable installation rack 5 manually rapidly can steadily be pulled out out of branch's box body 2 so that guardian is from cable installation rack
5 all directions can all watch and dismount cable installation, be conducive to tie up the cable installation being installed on cable installation rack 5
Repair, replace and maintain, prevent when being safeguarded to cable installation the body transition of guardian's hand be inserted into branch's box body 2 and
It occupies the space in branch's box body 2 and influences the maintenance work of cable installation, making for the cable branch box is greatly improved
With convenience and dismounting convenience, the service life of the intelligent low-pressure cable branch box is extended, is conducive to intelligent low-pressure electricity
The popularization and use of cable feeder pillar.
Cable installation rack 5 is manually rapidly steadily pulled out what is be realized in out of branch's box body 2：To cable point
When the cable installation of branch case internal fault is safeguarded, tool is manually used by 533 whiz screw hole of screw after first opening chamber door 3
24 so that bottom boxboard of the reinforcement plate 53 not with branch box body 2 is connected, then the rubber pad 525 on man-hour manually hand-held connecting plate 524
And be pulled along, during connecting plate 524 travels forward, sliding block 514 drives roller 742 to occur after being slided on roller 742
It rolls so that sliding block 514 can easily be moved, before cable installation rack 5 being driven to carry out during sliding block 514 moves
It moves, during cable installation rack 5 moves forward, the position-limited wheel 5235 in the upper steady wheel 522 of increasing and the steady wheel 523 of lower increasing, in upper slide opening 21
With being rolled in lower slide opening 22, by the rolling of roller 742 and position-limited wheel 5235, cable installation rack 5 can be allowed manually to draw
Dynamic lower progress rapidly Forward and rear shifting, cable installation rack 5 stretches out branch's box body 2, guardian couple at this time after cable moves forward
Cable installation is safeguarded rapidly, is moved after cable installation rack 5 is carried out after the completion of maintenance, the master in cable installation rack 5
After 51 back of installing plate fits with 2 inner wall of branch's box body, screw 533 manually is rotated using tool, 533 spiral of screw is revolved
Enter into screw hole 24, reinforcement plate 53 and the bottom boxboard of branch box body 2 are connected in one at this time, turn off chamber door 3.
Power Transmission parameter in cable can be included voltage, electric current, temperature by the present invention by power monitoring system 12
Intellectual monitoring is carried out etc. control center server 1210 this platform is transmitted to, convenient for the state of monitoring cable operation, side
Just it is safeguarded in time after learning the fault location information in cable rapidly, ensures the reliability that cable uses, improve equipment
Service life.
12 operation logic of power monitoring system：Voltage acquisition module 122 acquires the voltage of inlet wire cable 8, current acquisition mould
Block 123 acquires the electric current of the outlet cable 10 of each branch respectively, and temperature collecting module 124 acquires the temperature of cable connector 11, adopts
Voltage, electric current and the temperature signal collected is transferred to microcontroller 125 and is analyzed and processed, the real-time fortune that microcontroller 125 will measure
Row data [real-time running data includes electric current, voltage, temperature data] and operation data [the calculating operation data packet for calculating gained
Include electricity, active power etc.] it is transferred to liquid crystal display 4 and is shown, microcontroller 125 is measured and calculates the operation number of gained
According to, analyzed and determined, using compared with the normal operation data of cable or with it is set in microcontroller 125
Limit value is compared, and is alarmed after therefrom finding electrical parameter or temperature anomaly by alarm module 128；Sampling analysis module
When corona or flashover occur for 127 analytical judgments, microcontroller 125 is sent result to, the number of corona flashover occurs for record cable
And size of current, and pass through alarm module 128 and alarm, local discharge sensor 126 can utilize cable that corona sudden strain of a muscle occurs
The electromagnetic field variation characteristic that electric current suddenly change is brought during network is monitored, and realizes the non-contact measurement to cable flashover, hair
Raw corona or flashover are easy to cause insulation and are deteriorated, become serious potential faults, it is therefore desirable to which alarm module 128 is alarmed；
The number and size of current of corona flashover occur for cable, then are used to evaluate insulation performance, failure judgement hidden danger severity.
Sliding block 514 and the installation position of the steady wheel 522 of upper increasing in the present invention are in same horizontal line, the upper steady wheel 522 of increasing
It is on same vertical line with the installation position of the steady wheel 523 of lower increasing.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of intelligent low-pressure cable branch box, including pedestal（1）, be fixedly connected on pedestal（1）Branch's box body on top
（2）, branch's box body is movably connected on by hinge（2）The chamber door of frontal left（3）, be installed on branch's box body（2）Inner cavity
Cable installation rack（5）And it is respectively arranged in cable installation rack（5）On inlet wire cable（8）, earth leakage protective device（9）, outlet
Cable（10）And power monitoring system（12）, the inlet wire cable（8）Pass through earth leakage protective device（9）With three groups of outlet cables（10）Electricity
It is connected, every group of outlet cable（10）One end is respectively connected with cable connector（11）, it is characterised in that：Branch's box body（2）
Right side boxboard offer slide opening respectively from top to bottom（21）With lower slide opening（22）, slide opening on this（21）With lower slide opening（22）'s
Side view shape is in rectangular configuration；Branch's box body（2）The right side of left side boxboard has been respectively fixedly connected with from top to bottom
Positioning plate（7）With lower positioning plate（6）, the upper location-plate（7）With lower positioning plate（6）Include the substrate of " L " shape structure（71）, it is solid
Surely it is connected to substrate（71）Transverse slat on the right side of vertical section top surface（72）, be fixedly connected on substrate（71）Anyhow the side on the right side of section top surface
Plate（73）And interval is connected to substrate（71）Vertical section right side and side plate（73）Six groups of movable pulleys between left side（74）, and
Every group of movable pulley（74）All include being laterally connected in substrate（71）With side plate（73）Between fixed pole（741）And pivot bush unit
In fixed pole（741）The roller of outer surface（742）；The substrate（71）Vertical section right side, transverse slat（72）Bottom and side plate（73）
Left side three between gap formed chamber；Branch's box body（2）The top middle portion of bottom boxboard is offered for inlet wire
Cable（8）What is passed through rectangular-shaped wears mouth（23）, branch's box body（2）The top right side opening of bottom boxboard is equipped with screw hole（24）；
The cable installation rack（5）Including main installing plate（51）, be vertically connected at main installing plate（51）The secondary installing plate on right side（52）, with
And it is fixedly connected on main installing plate（51）Frontal left and secondary installing plate（52）Reinforcement plate between left side（53）, the main installing plate
（51）Front be intervally distributed with main heat emission hole（513）, and main installing plate（51）Front be respectively fixedly connected with from top to bottom
First fixed board of current supply cable installation（511）With the second fixed board（512）；First fixed board（511）With the second fixed board（512）A left side
Side has been fixedly connected with sliding block（514）, first fixed board（511）The sliding block in left side（514）Extend into the first fixed board（511）Chamber
Interior and sliding block（514）Surface and roller（742）Surface is bonded to each other, and the second fixed board（512）Another sliding block in left side（514）
Extend into the second fixed board（512）In chamber and sliding block（514）Surface and roller（742）Surface is bonded to each other；The reinforcement plate
（53）Top left hand be fixedly connected with the first convex block（531）, the reinforcement plate（53）Top on the right side of to be fixedly connected with second convex
Block（532）, the second convex block（532）Right side pass through third bolt（5321）With secondary installing plate（52）Left side be fixedly linked in one
Body, the first convex block（531）Back pass through third bolt（5321）With main installing plate（51）Frontal left be fixedly linked in one
Body, reinforcement plate（53）Top on the right side of be equipped with screw（533）, and screw（533）Bottom end extend spirally into screw hole（24）It is interior；Institute
State secondary installing plate（52）Surface vertically offer three groups of pair heat emission holes side by side（521）, the pair installing plate（52）Right side from upper
The steady wheel of upper increasing is connected separately under（522）With the steady wheel of lower increasing（523）；The steady wheel of upper increasing（522）With the steady wheel of lower increasing（523）All
Including even block（5231）, the company's of being fixedly connected on block（5231）The dead axle of right side central（5234）And pivot bush unit is in dead axle
（5234）The position-limited wheel of outer surface（5235）, the steady wheel of increasing on this（522）Dead axle（5234）Right end stretches into slide opening（21）It is interior and
The upper steady wheel of increasing（522）Position-limited wheel（5235）Outer surface and upper slide opening（21）Hole wall fit, and the steady wheel of lower increasing（523）Determine
Axis（5234）Right end stretches into lower slide opening（22）The interior and lower steady wheel of increasing（523）Position-limited wheel（5235）Outer surface and lower slide opening（22）'s
Hole wall fits；The steady wheel of upper increasing（522）Dead axle（5234）Right end is through and out upper slide opening（21）The position on right side leads to
Cross the second bolt（5241）It is fixedly connected with connecting plate（524）, the connecting plate（524）Left side bottom surface and the steady wheel of lower increasing（523）Determine
Axis（5234）Right end is through and out lower slide opening（22）Right positions stationary phase is connected；The pair installing plate（52）Left side
Power monitoring system is installed（12）, the power monitoring system（12）Including power module（121）, microcontroller（125）, sampling point
Analyse module（127）, local discharge sensor（126）, communication module（129）With control center server（1210）；It is described
Power module（121）Output terminal be electrically connected voltage acquisition module（122）, current acquisition module（123）It is adopted with temperature
Collect module（124）, the voltage acquisition module（122）, current acquisition module（123）And temperature collecting module（124）Output terminal
And microcontroller（125）Input terminal be electrically connected；The local discharge sensor（126）Pass through sampling analysis module（127）
With microcontroller（125）It is electrical connected；The microcontroller（125）Output terminal be electrically connected with alarm module（128）, the microcontroller
（125）Pass through communication module（129）With control center server（1210）It is long-range to be connected.
2. intelligent low-pressure cable branch box according to claim 1, it is characterised in that：The voltage acquisition module（122）
With inlet wire cable（8）It is electrical connected, current acquisition module（123）With every group of outlet cable（10）It is electrical connected, temperature acquisition
Module（124）With cable connector（11）It is electrical connected, the voltage acquisition module（122）Acquire inlet wire cable（8）Voltage, electric current
Acquisition module（123）Acquire outlet cable（10）Electric current, temperature collecting module（124）Acquire cable connector（11）Temperature,
And voltage signal, current signal and the temperature signal of acquisition are transferred to microcontroller（125）It is analyzed and processed, microcontroller therein
（125）For C8051 microcontrollers.
3. intelligent low-pressure cable branch box according to claim 1 or 2, it is characterised in that：The chamber door（3）Front open
Equipped in square aperture be embedded with liquid crystal display（4）, the liquid crystal display（4）With microcontroller（125）It is electrical connected, microcontroller
（125）The voltage signal measured, current signal and temperature signal and the cable operation data for calculating gained are transferred to liquid crystal
Display screen（4）Upper carry out real-time display.
4. intelligent low-pressure cable branch box according to claim 1, it is characterised in that：The local discharge sensor
（126）It is installed on branch's box body（2）Each cable on, the local discharge sensor（126）The data-signal of gained will be detected
Transmission is transferred to sampling analysis module（127）.
5. intelligent low-pressure cable branch box according to claim 1, it is characterised in that：The even block（5231）Side view outside
Shape is in rectangular configuration, this connects block（5231）Pass on left the first bolt（5232）With secondary installing plate（52）Right side be fixedly linked
In one, and even block（5231）Left side and secondary installing plate（52）The location interval that right side is in contact offers " S " shape waveform
Groove（5233）.
6. intelligent low-pressure cable branch box according to claim 1, it is characterised in that：The connecting plate（524）Plate body outside
Surface is coated with rubber pad（525）, the rubber pad（525）Inner surface and connecting plate（524）The outer surface position that is in contact is coated with
Adhesive.
7. intelligent low-pressure cable branch box according to claim 1, it is characterised in that：The side plate（73）Vertical extension
For substrate（71）/ 3rd of vertical extension, the side plate（73）With substrate（71）Plate body surface be coated with refractory layer.
8. intelligent low-pressure cable branch box according to claim 1, it is characterised in that：The main installing plate（51）Pacify with pair
Loading board（52）Vertical extension it is identical, the main installing plate（51）Vertical extension be branch's box body（2）Internal box wall vertical extension
3/4ths.
9. intelligent low-pressure cable branch box according to claim 1, it is characterised in that：The main installing plate（51）, secondary peace
Loading board（52）With reinforcement plate（53）The rectangular triangular structure of whole plan shape mutually formed, the reinforcement plate（53）Plate body
Bottom is bonded with anti-wear gasket.
10. intelligent low-pressure cable branch box according to claim 1, it is characterised in that：The power module（121）For
Ups power, alarm module（128）For sound and light alarm module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810119905.9A CN108199336B (en) | 2018-02-07 | 2018-02-07 | Intelligent low-voltage cable branch box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810119905.9A CN108199336B (en) | 2018-02-07 | 2018-02-07 | Intelligent low-voltage cable branch box |
Publications (2)
| Publication Number | Publication Date |
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| CN108199336A true CN108199336A (en) | 2018-06-22 |
| CN108199336B CN108199336B (en) | 2024-03-15 |
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ID=62593074
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810119905.9A Active CN108199336B (en) | 2018-02-07 | 2018-02-07 | Intelligent low-voltage cable branch box |
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| CN109802486A (en) * | 2019-03-15 | 2019-05-24 | 广东电网有限责任公司 | A kind of power distribution network low pressure quickly turns power supply unit and connection method |
| CN110034663A (en) * | 2019-04-29 | 2019-07-19 | 天长市富安电子有限公司 | A kind of Width funtion output industrial module power supply |
| CN111617941A (en) * | 2020-07-29 | 2020-09-04 | 深圳诚一信科技有限公司 | Circuit maintenance system based on Internet of things |
| CN113659517A (en) * | 2021-08-13 | 2021-11-16 | 安徽瑞莱尔仪表有限公司 | Cable distribution box with high temperature resistant structure and convenient to butt joint |
| CN114745615A (en) * | 2022-06-09 | 2022-07-12 | 联科天成(武汉)智能科技有限公司 | Industrial equipment operation data acquisition monitoring method and device |
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