Quick overhaul type high-voltage electric energy metering cabinet
Technical Field
The invention relates to the technical field of high-voltage electric energy metering cabinets, in particular to a rapid overhaul type high-voltage electric energy metering cabinet.
Background
The electric energy metering cabinet is used as one of electric energy metering devices, and is generally installed outdoors, so that a power supply company can conveniently strengthen the management of electric energy metering. However, most of the traditional electric energy metering cabinets adopt an assembled installation of an electric energy metering unit and a mutual inductor, and the design has the defects of large volume and heavy weight. When overhauling, because the internal space of cabinet is limited, electric devices are compactly arranged, overhaul difficulty, and when maintaining, it is also troublesome to dismantle electric devices. The electric energy metering unit and the transformer are independently installed, after the installation, the inner space is narrow, the disassembly is long in time consumption, and if the transformer is damaged in a large area, the transformer is required to be completely disassembled one by one, and then maintenance or new equipment installation is carried out, so that the time consumption is long. The device cannot be quickly and integrally disassembled, and the emergency repair cannot be completed fastest when the emergency repair is performed.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the invention aims to provide the rapid overhaul type high-voltage electric energy metering cabinet, which solves the problems that the efficiency is low, the disassembly and maintenance or the replacement cannot be completed rapidly and the like when the high-voltage electric energy metering cabinet is overhauled or salvaged.
The invention provides a rapid overhaul type high-voltage electric energy metering cabinet, which comprises a cabinet body, wherein a first installation chamber, a second installation chamber and a third installation chamber are respectively arranged in the cabinet body from bottom to top, an independent cabinet door which is externally opened is arranged at the front side of each installation chamber, and an observation glass window is arranged on the independent cabinet door at the front side of the third installation chamber;
Two mounting slideways are fixed on two side walls in the first mounting chamber and the second mounting chamber and are arranged at the top and the bottom close to the side walls, an electric device mounting rack is detachably arranged on the mounting slideways in the first mounting chamber and the second mounting chamber, a copper bar wire inlet hole and a copper bar wire outlet hole are formed in a partition plate between the first mounting chamber and the second mounting chamber, an instrument mounting plate is arranged in the middle of the third mounting chamber, and a circuit adapter jack and a circuit adapter inserted in the jack are arranged in the partition plate between the second mounting chamber and the third mounting chamber close to the front side;
A plurality of circuit breakers are arranged on a left side frame body of an electric device installation frame in a first installation chamber, a plurality of isolating switches are arranged on a right side frame body of the electric device installation frame in a second installation chamber, a plurality of voltage transformers are arranged on the left side frame body of the electric device installation frame in the second installation chamber, a plurality of current transformers are arranged on the right side frame body of the electric device installation frame, a plurality of ampere meters, voltage meters and alarm instruments are arranged on the instrument installation plate, a high-voltage power supply wire is connected to the isolating switch input end of the first installation chamber, a power supply copper bar group is connected to the isolating switch output end of the isolating switch, the power supply copper bar group is inserted into the second installation chamber from a copper bar inlet wire hole, the power supply copper bar group is correspondingly and electrically connected with the input ends of the voltage transformers and the voltage transformers through connecting copper bars, the output ends of the current transformers are connected with the input ends of the voltage transformers through output copper bar lines Kong Jiedao in the first installation chamber, each output copper bar corresponds to one circuit breaker, the input ends of the voltage transformers are connected with the output copper bar lines of the first installation chamber, the output copper bar is connected with the current transformers through the output copper bar lines of the three current transformers, the output copper bar lines of the output from the copper bar lines of the first installation chamber and the alarm instrument, and the current transformers are connected to the three current transformers through the three current transformers and the voltage transformer input ends of the voltage meter and the voltage transformer in the installation chamber;
And a heat dissipation and exhaust pipeline structure is arranged in the cabinet body.
In some embodiments of the present invention, the installation slide includes a slide rail, a fixture block structure and a fixture block adjusting push rod, a slide groove is provided on an outer side wall of the slide rail, a front side end of the slide groove is connected with the outside, a push plate is provided at a rear side end of the slide groove, the push plate is installed on an inner wall of the rear side end of the slide groove by a pressing spring, a plurality of installation bars are provided at equal intervals on inner side edges of an upper wall and a lower wall of the slide rail, the installation bars are fixed on an inner wall of a cabinet body by bolts, at least two fixture block grooves are provided on a bottom wall of the slide groove, the fixture block structure includes a steering fixture block and a jacking spring, one end of the steering fixture block is rotatably installed in the fixture block groove by a shaft, the jacking spring is fixed in a middle position of the bottom of the steering fixture block, the bottom end of the steering fixture block is capable of being jacked up to leak the groove, the fixture block adjusting push rod is horizontally movably inserted from a bottom wall below the slide rail, the fixture block adjusting push rod penetrates through a plurality of fixture block grooves, a plurality of movable square holes matched with each fixture block groove are provided on the fixture block adjusting push rod, and when the movable square holes and the fixture block can be correspondingly penetrated through the movable fixture block square holes.
In other embodiments of the present invention, the electrical device mounting rack includes a square frame, an electrical device mounting board and mounting inserts, the electrical device mounting board is mounted on two side frames inside the square frame through bolts, two mounting inserts are fixedly mounted on outer side frames on two sides of the square frame in an up-down corresponding manner, two mounting inserts on the same side can be correspondingly inserted into sliding grooves on two sliding rails on the same side wall in the first mounting chamber or the second mounting chamber, and a plurality of clamping grooves matched with steering clamping blocks at the bottoms of the sliding grooves are formed in the bottoms of the mounting inserts.
In other embodiments of the present invention, the width of the mounting cutting is smaller than the height of the chute, a plurality of rubber pillars are embedded in the upper surface of the mounting cutting, the top ends of the rubber pillars leak out of the upper surface of the mounting cutting, the top ends of the rubber pillars are hemispherical, and the rubber pillars are extruded after the mounting cutting is inserted into the chute.
In other embodiments of the present invention, the heat dissipation exhaust pipe structure includes an exhaust square pipe and an air intake fan pipe, the exhaust square pipe penetrates through two partition boards from the middle position of the rear side wall in the cabinet body, two ends of the exhaust square pipe are plugged, the side walls of the exhaust square pipe facing the first installation chamber, the second installation chamber and the third installation chamber are provided with uniform exhaust holes, the cabinet body is provided with the air intake fan pipe inserted into the rear side wall of the third installation chamber, the end, which is communicated with the outside, of the air intake fan pipe is provided with a filter screen, the other end is communicated with the top end of the exhaust square pipe, the air intake fan pipe is internally provided with an air exchange fan, and two rows of waterproof air holes are symmetrically arranged on two sides of the air exhaust square pipe on the rear side wall of the cabinet body.
In other embodiments of the present invention, the two side walls and the rear side wall of the second installation room are coated with insulating paint or a layer of insulating rubber, and then an isolation net is laid on the insulating paint or the insulating rubber on the two side walls and the rear side wall of the second installation room.
In other embodiments of the invention, the second mounting chamber has two sidewalls that are additionally provided with a set of mounting slides near the bottom to increase support for the electrical device mounting bracket.
In other embodiments of the present invention, the circuit adapter housing is a shielding shell, and the inside of the circuit adapter housing is an insulating rubber block, and the circuit in the circuit adapter is arranged from the bottom to the top of the shielding shell through the insulating rubber block.
According to the invention, the mutual inductor is independently arranged in the second installation chamber, the isolating switch and the circuit breaker are independently arranged in the first installation chamber, the two chambers are respectively arranged through the electric device installation frame which can be quickly detached and installed, when overhauling or rush-repairing is carried out, the electric device installation frame can be quickly detached and taken out together with an electric device, if the damage is not large, the electric device installation frame is quickly repaired, then the electric device installation frame is quickly assembled into the cabinet body, and if the damage degree is large, the new electric device installation frame and the electric device which is assembled by the electric device installation frame can be quickly assembled, so that the aim of quick rush-repairing is achieved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
Fig. 1 is a schematic structural diagram of a rapid maintenance type high-voltage electric energy metering cabinet (under a closed cabinet door) according to the present invention.
Fig. 2 is a schematic structural diagram of a rapid maintenance type high-voltage electric energy metering cabinet (a cabinet door is opened, and an electric device mounting frame and an electric appliance are not mounted) according to the invention.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Fig. 4 is a schematic structural view of an electrical device mounting frame according to the present invention.
Fig. 5 is a schematic cross-sectional structure of the installation cutting inserted into the sliding rail (the steering fixture block is jacked up).
Fig. 6 is a schematic cross-sectional view of the installation insert of the present invention inserted into the slide rail (the steering latch is pressed down into the latch groove).
Fig. 7 is a schematic cross-sectional view of the heat dissipation exhaust duct structure according to the present invention installed in a cabinet.
Fig. 8 is a schematic diagram of the flow of exhaust gas from the exhaust pipe in the cabinet according to the present invention.
Fig. 9 is a schematic structural view of the rear side of the cabinet according to the present invention.
The device comprises a cabinet body, a first installation chamber, a second installation chamber, a 121, a copper bar wire inlet hole, a 122, a copper bar wire outlet hole, a 13, a third installation chamber, a 131, an instrument installation plate, a2, an independent cabinet door, a 21, an observation glass window, a3, a line adapter, a 4, an isolation net, a 5, an installation slideway, a 51, a sliding rail, a 52, a sliding chute, a 53, a steering clamping block, a 531, an jacking spring, a 54, a push plate, a 541, a compression spring, a 55, a clamping block adjusting push rod, a 56, a steering clamping block, a 6, a square frame, a 61, an installation cutting, a 7, an electrical installation plate, a 8, an exhaust square pipe, a 9, a ventilation fan, a 91, a filter screen and a 10, and a waterproof ventilation hole.
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.
As shown in fig. 1-9, the rapid overhaul type high-voltage electric energy metering cabinet provided by the invention comprises a cabinet body 1, wherein a first installation chamber 11, a second installation chamber 12 and a third installation chamber 13 are respectively arranged in the cabinet body 1 from bottom to top, an independent cabinet door 2 which is outwards opened is arranged at the front side of each installation chamber, and an observation glass window 21 is arranged on the independent cabinet door 2 at the front side of the third installation chamber 13;
the three installing chambers are arranged separately, and the voltmeter and the ammeter which are measured can be protected from being disturbed and are convenient to observe. The stability of the two side walls of the cabinet body can be increased by using the partition plates between the chambers. The viewing window 21 facilitates viewing of the instrument display parameters.
Two mounting slide ways 5 are fixed on two side walls in the first mounting chamber 11 and the second mounting chamber 12, the two mounting slide ways 5 are arranged near the top and the bottom of the side walls, an electric device mounting rack is detachably arranged on the mounting slide ways 5 in the first mounting chamber 11 and the second mounting chamber 12, a copper bar wire inlet hole 121 and a copper bar wire outlet hole 122 are arranged on a partition plate between the first mounting chamber 11 and the second mounting chamber 12, an instrument mounting plate 131 is arranged in the middle of the third mounting chamber 13, and a circuit adapter jack and a circuit adapter 3 inserted in the jack are arranged near the front side of the partition plate between the second mounting chamber 12 and the third mounting chamber 13;
The circuit adapter 3 is a circuit box, but has a shielding function. The electrical component mounting frame can be rapidly mounted on the mounting slide ways 5 on the two side walls in the first mounting chamber 11 and the second mounting chamber 12, and when overhauling, the simple overhauling can not be dismounted for overhauling, if the phenomena of faults or burnout occur, the overhauling is relatively troublesome in the cabinet body, the overhauling is not thorough, the overhauling can be missed, repeated overhauling is caused, if the electrical components are dismounted, the electrical components are traditionally dismounted one by one, the operation is complex, the overhauling or the maintenance is troublesome, and sometimes quick-maturation and rush-repair are needed, so that the electrical components are electrified in time. However, when the large-area damage is caused, a great amount of time is wasted in the process of disassembly and installation. Here, can dismantle the electrical component mounting bracket of installing on installation slide 5 fast, only need dismantle the copper bar tip bolt before dismantling and just can unlock and pull out the electrical component mounting bracket, carry out the external maintenance of cabinet or directly change new equipment electrical component mounting bracket and electrical component, can carry out the rush-repair fast and lead to the fact, bad maintenance of taking away.
A plurality of circuit breakers are arranged on a left side frame body of an electric device installation frame in the first installation chamber 11, a plurality of isolating switches are arranged on a right side frame body of the electric device installation frame in the second installation chamber 12, a plurality of voltage transformers are arranged on the left side frame body of the electric device installation frame in the second installation chamber 12, a plurality of current transformers are arranged on the right side frame body of the electric device installation frame, a plurality of ampere meters, voltage meters and alarm instruments are arranged on the instrument installation plate 131, a high-voltage power supply wire is connected to the isolating switch input end of the first installation chamber 11, a power supply copper bar group is connected to the isolating switch output end of the isolating switch in the first installation chamber 11, the power supply copper bar group is inserted into the second installation chamber 12 from a copper bar wire inlet 121, the power supply copper bar group is correspondingly and electrically connected with the input ends of the voltage transformers and the current transformers through connecting copper bars, the output ends of the current transformers are connected with the input ends of the voltage transformers through output copper bar wire outlet holes 122 to the first installation chamber 11, each output copper bar is correspondingly connected to the circuit breaker on the first installation chamber, each output copper bar is correspondingly connected to the first installation chamber through the circuit meter 3, the output copper bar is connected to the first installation chamber and the voltage meter through the first current meter and the voltage meter, the first current meter is connected to the first current meter through the output wire meter 3, the first current meter is connected to the first current meter through the voltage meter through the output wire meter 3, the voltage meter is correspondingly connected to the voltage transformer is electrically connected to the first copper bar through the output wire meter 3;
A heat dissipation exhaust pipeline structure is arranged in the cabinet body 1.
Install circuit breaker and isolator in first installation room 11, voltage transformer and current transformer install in second installation room 12, and the quick dismantlement of being convenient for of separate installation prevents that electric devices from many whole dismantlements are troublesome, can also pertinently carry out quick overhaul. The split assembly and the installation are convenient for management, and can also be effectively shielded. The alarm instrument is used for monitoring whether the current and the voltage are normal or not and can also send out an alarm wireless signal. Like a remote transmission signal.
The installation slide way 5 comprises a slide rail 51, a clamping block structure and a clamping block adjusting push rod 55, wherein a slide groove 52 is arranged on the outer side wall of the slide rail 51, the front side end of the slide groove 52 is communicated with the outside, a push plate 54 is arranged at the rear side end of the slide groove 52, an extrusion spring 541 is arranged on the inner wall of the rear side end of the slide groove 52, a plurality of installation bars 511 are arranged at equal intervals on the inner side edge positions of the upper wall and the lower wall of the slide rail 51, the installation bars 511 are fixed on the inner wall of the cabinet body 1 through bolts, at least two clamping block grooves are arranged on the bottom wall of the slide groove 52, the clamping block structure comprises a steering clamping block 53 and an jacking spring 531, one end of the steering clamping block 53 is rotatably arranged in the clamping block groove 521 through a shaft rod, the middle position of the bottom of the steering clamping block 53 is fixed with the jacking spring 531, the bottom of the jacking spring 531 is fixed at the bottom of the clamping block groove, the other end of the steering clamping block 53 can be horizontally and movably inserted into the clamping block groove by jacking the clamping block groove, the clamping block adjusting push rod 55 penetrates through the clamping block grooves 521 from the bottom wall below the slide rail upper slide groove 52, and when the clamping block adjusting push rod 55 is fixedly provided with a plurality of clamping block grooves 521, and a plurality of square holes 521 can be movably matched with the clamping block holes 551, and 521 can movably penetrate through the square holes 521.
Utilize the fixture block structure to block the electrical component mounting bracket, prevent that the electrical component mounting bracket from droing or sliding, when turning to fixture block 53 jack-up, play the spacing cutting that prevents promptly and move about in spout 52 to pin installation cutting 61, during the unblock, push inwards with fixture block adjustment push rod 55, will turn to fixture block 53 and push down, play the unblock effect.
Because the clamping groove 611 of the steering clamping block 53 clamped at the bottom of the mounting cutting 61 is swayed, and the push plate 54 is ejected out by the extrusion spring 541 to be propped against the mounting cutting 61, so that the steering clamping block 53 is tightly clamped in the clamping groove 611, when the extrusion spring 541 is extruded inwards by the mounting cutting 61 during disassembly, the steering clamping block 53 is loosened, so that the clamping block adjusting push rod 55 is operated, and after the operation is completed, the electric device mounting rack can be pulled out by loosening and pushing.
The electric device mounting rack comprises a square frame 6, an electric device mounting plate 7 and mounting cutting strips 61, wherein the electric device mounting plate 7 is mounted on two side frames inside the square frame 6 through bolts, two mounting cutting strips 61 are fixedly mounted on outer side frames on two sides of the square frame 6 in an up-down corresponding mode, two mounting cutting strips 61 on the same side can be correspondingly inserted into sliding grooves 52 on two sliding rails 51 on the same side wall in a first mounting chamber 11 or a second mounting chamber 12, and a plurality of clamping grooves 611 matched with steering clamping blocks 53 on the bottom of the sliding grooves 52 are formed in the bottoms of the mounting cutting strips 61.
The square frame 6 has a width slightly smaller than the width (5-8 mm smaller) between the two corresponding mounting slides 5 on two sides of the cabinet body, and if micro-shaking occurs, the top of the sliding rail 51 is screwed with a bolt to press the mounting cutting 61 for further locking, so that shaking is prevented (not shown in the figure and set according to the requirement).
The width of the installation cutting 61 is smaller than the height of the chute 52, a plurality of rubber jacking columns are embedded in the upper surface of the installation cutting 61, the top ends of the rubber jacking columns leak out of the upper surface of the installation cutting 61, the top ends of the rubber jacking columns are hemispherical, and the installation cutting 61 is extruded after being inserted into the chute 52. The rubber is convenient to deform during insertion, and can also play a role in preventing shaking.
The heat dissipation exhaust duct structure includes exhaust side pipe 8 and air intake fan pipe, exhaust side pipe 8 runs through two baffles from the inside rear side wall intermediate position of cabinet body 1, exhaust side pipe 8 both ends shutoff, exhaust side pipe 8 all is equipped with even exhaust hole 81 towards first installation room 11, second installation room 12 and the inside lateral wall of third installation room 13, cabinet body 1 has inserted the air intake fan pipe on the rear side wall of third installation room 13, air intake fan pipe communicates with each other with the external world and ends and is equipped with filter screen 91, the other end communicates with each other with exhaust side pipe 8 top, be equipped with air exchange fan 9 in the air intake fan pipe, cabinet body 1 rear side wall is equipped with two rows of waterproof bleeder vents 10 in the symmetry of exhaust side pipe 8 both sides.
Because the partition plate separates, the exhaust heat dissipation is troublesome, the exhaust square pipe 8 leading to three chambers is arranged, air is discharged from the top, gas flows in the exhaust square pipe 8, flows into each chamber from the exhaust hole 81 on the exhaust square pipe 8, flows in the inside of each chamber, circulates, is discharged from the waterproof air hole 10, and takes away heat.
The two side walls and the rear side wall of the second installation chamber 12 are coated with insulating paint or a layer of insulating rubber, and then an isolation net 4 is paved on the insulating paint or the insulating rubber of the two side walls and the rear side wall of the second installation chamber 12.
The second installation room 12 is easy to be disturbed, and when the shielding effect of the side wall of the cabinet body is poor, other external equipment can be affected or interfered by the other external equipment, and a shielding net is further arranged on two sides and the rear side. The front side is generally walked, no equipment exists at a certain distance, and the front side is not easy to be disturbed. The baffle is very thick, can increase stability, can also shield, and the ampere meter voltmeter of upper portion is difficult for receiving the mutual-inductor interference below.
Two side walls of the second installation chamber 12 are additionally provided with 2-3 groups of installation slide ways 5 near the bottom to increase the support of the electric device installation frame. If too many transformers are installed, the bottom stability can be increased, and the number of installation slide ways is increased by 5, so that the stability and the supportability are increased.
The circuit adapter 3 shell is a shielding shell, an insulating rubber block is arranged inside the circuit adapter 3 shell, and the circuit in the circuit adapter 3 penetrates through the insulating rubber block and is arranged from the bottom to the top of the shielding shell. The circuit is arranged in the insulating glue block, and then the shielding box body is wrapped, so that interference signals are prevented from being generated at holes, and the voltmeter and the ammeter are prevented from being affected.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.