CN208078613U - A kind of intelligent low-pressure cable branch box - Google Patents

Abstract

The utility model discloses a kind of intelligent low-pressure cable branch box; it including pedestal, branch's box body for being fixedly connected on pedestal top, is connected through hinge activity the chamber door in branch's box body frontal left, is installed on the cable installation rack of feeder pillar cabinets cavity, and inlet wire cable, earth leakage protective device, outlet cable and the power monitoring system 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 and dismounting convenience for improving the cable branch box, extend the service life of the intelligent low-pressure cable branch box.

Description

A kind of intelligent low-pressure cable branch box

Technical field

The utility model is related to cable branch box technical field, specially a kind of intelligent low-pressure cable branch box.

Background technology

Nowadays, in the power 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, the cable installation of failure can not be 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.

Utility model content

The purpose of this utility model is to provide a kind of intelligent low-pressure cable branch box, to solve to carry in above-mentioned background technology The problem of going out.

Its technical solution is：A kind of intelligent low-pressure cable branch box, including pedestal, the branch for being fixedly connected on pedestal top Box body, the cable for being connected through hinge activity the chamber door in branch's box body frontal left, being installed on feeder pillar cabinets cavity Mounting bracket, and the inlet wire cable, earth leakage protective device, outlet cable and the electric power monitoring system that are respectively arranged on cable installation rack 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 The right side boxboard of cable joint, branch's box body offers 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 include the substrate of " L " shape structure, it is perpendicular to be fixedly connected on substrate 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；On the right side of the substrate vertical section, a left side for 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 mounting plate, is vertically connected on the right side of main mounting plate secondary mounting plate and fixed Reinforcement plate between being connected on the left of main mounting plate frontal left and secondary mounting plate, the front of the main mounting plate is intervally distributed with master Heat emission hole, and the front of main mounting plate is respectively fixedly connected with the first fixed board and the second fixed board of current supply cable installation from top to bottom； It is fixedly connected with sliding block 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 with roller surface, and another sliding block on the left of the second fixed board extends into the second fixed board 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 mounting 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 mounting plate in one The top right side of body, reinforcement plate is equipped with screw, and the bottom end of screw extends spirally in screw hole.

The surface of the pair mounting plate vertically offers three groups of pair heat emission holes side by side, and the right side of the pair mounting 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 and the steady wheel of lower increasing all include connecting block, the company's of being fixedly connected on block The dead axle and pivot bush unit of right side central increase the dead axle right end surely taken turns in the position-limited wheel of dead axle outer surface, on this and stretch into cunning In hole and the upper hole wall for increasing the limit wheel outer surface and upper slide opening surely taken turns fits, and the lower dead axle right end surely taken turns that increases stretches into downslide In hole and lower increase the limit 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 mounting 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 end 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 end 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, voltage signal, the current signal that temperature collecting module acquires the temperature of cable connector, and acquires It is transferred to microcontroller with temperature signal and carries out analyzing processing, microcontroller therein is C8051 microcontrollers.

The front of the chamber door offers and is embedded with liquid crystal display in square aperture, and the liquid crystal display is electromechanical with monolithic 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 mounting plate of block Stationary phase is connected, and the location interval that even left side of block and secondary mounting 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 sets and is coated with adhesive.

The vertical extension of the side plate is the one third of substrate vertical extension, and the plate body surface of the side plate and substrate applies It is covered with refractory layer.

The main mounting plate is identical as the secondary vertical extension of mounting plate, and the vertical extension of the main mounting 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 mounting plate, secondary mounting 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 utility model has the beneficial effects that：The intelligent low-pressure cable branch box, by upper location-plate, lower positioning plate, on Increase steady wheel and the steady wheel of lower increasing, cable installation rack manually rapidly can steadily be pulled out out of branch box body so that guardian Cable installation can be all watched and be dismounted from all directions of cable installation rack, is conducive to the cable to being installed on cable installation rack Facility is repaired, replaces and is maintained, and the body transition of guardian's hand is prevented when being safeguarded to cable installation to be inserted into point Branch box body and occupy the space in branch's box body and influence the maintenance work of cable installation, the cable point is greatly improved The property easy to use and dismounting convenience of branch case, extend the service life of the intelligent low-pressure cable branch box, are conducive to the intelligence The popularization and use of energy low-voltage cable junction box.

Power Transmission parameter in cable can be included voltage, electric current, temperature by power monitoring system by the utility model Degree etc. is transmitted to control center server this platform progress intellectual monitoring, convenient convenient for the state of monitoring cable operation It is safeguarded in time after the rapid fault location information learnt in cable, ensures the reliability that cable uses, improve making for equipment Use the service life.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the structural perspective of the utility model cable installation rack；

Fig. 3 is the A-A structural schematic diagrams of the utility model Fig. 1；

Fig. 4 is the B-B structural schematic diagrams of the utility model Fig. 1；

Fig. 5 is the C-C structural schematic diagrams of the utility model Fig. 2；

Fig. 6 is the structural perspective of the utility model branch box body；

Fig. 7 is the D-D structural schematic diagrams of the utility model Fig. 6；

Fig. 8 is the structural perspective of the utility model pair mounting plate；

Fig. 9 is to increase the structural perspective surely taken turns under the utility model；

Figure 10 is the structural schematic diagram of the utility model power monitoring system；

In figure：1 pedestal, 2 branch's box bodies, mouth, 24 screw holes, 3 chamber doors, 4 liquid crystals are worn in slide opening, 22 times slide openings, 23 on 21 Display screen, 5 cable installation racks, 51 main mounting plates, 511 first fixed boards, 512 second fixed boards, 513 main heat emission holes, 514 sliding blocks, 52 pairs Mounting plate, 521 secondary heat emission holes, increase on 522 steady wheel, increase for 523 time steady wheel, 5231 company's blocks, 5,232 first bolts, 5233 grooves, 5234 dead axles, 5235 position-limited wheels, 524 connecting plates, 5,241 second bolts, 525 rubber pads, 53 reinforcement plates, 531 first convex blocks, 532 Two convex blocks, 5321 third bolts, 533 screws, 6 times positioning plates, 7 upper location-plates, 71 substrates, 72 transverse slats, 73 side plates, 74 movements Wheel, 741 fixed poles, 742 rollers, 8 inlet wire cables, 9 earth leakage protective devices, 10 outlet cables, 11 cable connectors, 12 electric power monitoring systems System, 121 power modules, 122 voltage acquisition modules, 123 current acquisition modules, 124 temperature collecting modules, 125 microcontrollers, 126 Local discharge sensor, 127 sampling analysis modules, 128 alarm modules, 129 communication modules, 1210 control center services Device.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, 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, the branch for being fixedly connected on 1 top of pedestal Box body 2 is connected through hinge activity the chamber door 3 in 2 frontal left of branch's box body, is installed on 2 inner cavity of branch's box body Cable installation rack 5, and the inlet wire cable 8, earth leakage protective device 9, outlet cable 10 and the electricity that are respectively arranged on cable installation rack 5 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 It is connected to upper location-plate 7 and lower positioning plate 6, which includes the substrate 71 of " L " shape structure, fixed company with lower positioning plate 6 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 on the right side of 71 vertical section of substrate, between the bottom of transverse slat 72 and the left side three of 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 mounting plate 51, is vertically connected at secondary mounting plate 52, the Yi Jigu on 51 right side of main mounting plate Surely the reinforcement plate 53 being connected between 52 left side of 51 frontal left of main mounting plate and secondary mounting plate, between the front of the main mounting plate 51 Every being distributed with main heat emission hole 513, and the front of main mounting plate 51 is respectively fixedly connected with the first of current supply cable installation from top to bottom Fixed board 511 and the second fixed board 512；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 It is fixedly connected with the second convex block 532, the right side of the second convex block 532 is fixed by third bolt 5321 and the left side of secondary mounting plate 52 Be connected in one, the back of the first convex block 531 by the frontal left of third bolt 5321 and main mounting plate 51 be fixedly linked in The top right side of one, reinforcement plate 53 is equipped with screw 533, and the bottom end of screw 533 extends spirally in screw hole 24.

The surface of secondary mounting plate 52 vertically offers three groups of pair heat emission holes 521 side by side, and the right side of the pair mounting plate 52 is from upper The steady wheel 522 of upper increasing and lower increasing surely wheel 523 are connected separately under；The upper steady wheel 522 and the lower surely wheel 523 that increases of increasing all includes connecting block 5231, the dead axle 5234 and pivot bush unit of 5231 right side central of the company's of being fixedly connected on block are in the limit of 5234 outer surface of dead axle 5235 are taken turns, 5234 right end of dead axle for increasing steady wheel 522 on this stretches into slide opening 21 and upper 5235 appearance of position-limited wheel for increasing steady wheel 522 Face and the hole wall of upper slide opening 21 fit, and lower 5234 right end of dead axle for increasing surely wheel 523 stretches into lower slide opening 22 and lower increasing is surely taken turns 523 5235 outer surface of position-limited wheel and the hole wall of lower slide opening 22 fit；5234 right end of dead axle that upper increasing surely takes turns 522 is passed through and is stretched The position for going out 21 right side of upper 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 22 right positions stationary phase of lower slide opening.

The left side of secondary mounting 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 end of power module 121 has been electrically connected voltage acquisition module 122, current acquisition module 123 and temperature acquisition Module 124, the output end 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 end 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, which acquires 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 carry out analyzing processing, microcontroller therein 125 be C8051 microcontrollers.

The front of chamber door 3 offers and is embedded with liquid crystal display 4 in square aperture, 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 When 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 the location interval that even left side of block 5231 is in contact with 52 right side of secondary mounting plate opens up There are " S " shape waveform groove 5233, the setting of groove 5233 that 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 mounting 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 one third of 71 vertical extension of substrate, the plate body surface of the side plate 73 and substrate 71 It is coated with refractory layer.

Main mounting plate 51 is identical as the vertical extension of secondary mounting plate 52, and the vertical extension of the main mounting 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 mounting plate 51, secondary mounting plate 52 and reinforcement plate 53 mutually form The plate body bottom of structure, the reinforcement plate 53 is 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 Cable installation can all be watched and be dismounted to 5 all directions, 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.

Artificial rapidly steadily pulled out out of branch's box body 2 of cable installation rack 5 is realized in：To cable point When the cable installation of branch case internal fault is safeguarded, manually use tool by 533 whiz screw hole of screw after first opening chamber door 3 24 so that reinforcement plate 53 is not connected with the bottom boxboard of branch box body 2, 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 driving cable installation rack 5 to carry out during sliding block 514 moves It moves, it is upper to increase steady wheel 522 and the steady position-limited wheel 5235 taken turns in 523 of lower increasing during cable installation rack 5 moves forward, in upper slide opening 21 It is 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 carrying out cable installation rack 5 after the completion of maintenance, the master in cable installation rack 5 After 51 back of mounting 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.

The utility model by power monitoring system 12, can include by the power Transmission parameter in cable voltage, electric current, Temperature etc. is transmitted to this platform progress intellectual monitoring of control center server 1210, convenient for the shape of monitoring cable operation State is safeguarded after conveniently learning the fault location information in cable rapidly, ensures that the reliability that cable uses, raising are set in time Standby 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 carries out analyzing processing, the real-time fortune that microcontroller 125 will measure Row data [real-time running data includes electric current, voltage, temperature data] and the operation data for calculating gained [calculate operation data packet 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 with the normal operation data of cable carry out comparison or with it is set in microcontroller 125 Limit value is compared, and is alarmed by alarm module 128 after therefrom finding electrical parameter or temperature anomaly；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 alarmed by alarm module 128, 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 when 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.

The installation position that sliding block 514 in the utility model surely takes turns 522 with upper increasing is in same horizontal line, the upper steady wheel of increasing 522 installation positions that 523 are surely taken turns with lower increasing are in same vertical line.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

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）, be connected through hinge activity in branch's box body（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 mounting plate（51）, be vertically connected at main mounting plate（51）The secondary mounting plate on right side（52）, with And it is fixedly connected on main mounting plate（51）Frontal left and secondary mounting plate（52）Reinforcement plate between left side（53）, the main mounting plate （51）Front be intervally distributed with main heat emission hole（513）, and main mounting 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 mounting plate（52）Left side be fixedly linked in one Body, the first convex block（531）Back pass through third bolt（5321）With main mounting 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 mounting plate（52）Surface vertically offer three groups of pair heat emission holes side by side（521）, the pair mounting 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 is logical 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 mounting 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 end 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 end 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 end 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）Carry out analyzing processing, 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）By the data-signal of detection gained 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 mounting plate（52）Right side be fixedly linked In one, and even block（5231）Left side and secondary mounting 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）The one third 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 mounting plate（51）Pacify with pair Loading board（52）Vertical extension it is identical, the main mounting 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 mounting 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.