CN116014567A - Combined transformer substation capable of realizing household power supply metering - Google Patents
Combined transformer substation capable of realizing household power supply metering Download PDFInfo
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- CN116014567A CN116014567A CN202310107914.7A CN202310107914A CN116014567A CN 116014567 A CN116014567 A CN 116014567A CN 202310107914 A CN202310107914 A CN 202310107914A CN 116014567 A CN116014567 A CN 116014567A
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Abstract
The invention discloses a combined transformer substation capable of realizing household power supply metering, which comprises: the device comprises a transformer, a main chamber, a compensation chamber and at least two sub-chambers; the main chamber and the sub-chambers are respectively positioned at two opposite sides of the transformer, the main chamber and the sub-chambers are connected through the compensation chamber, a cable enters the main chamber from the transformer, is tapped to each sub-chamber through the compensation chamber, and the cables between the sub-chambers are connected in parallel. The combined type transformer substation of the utility model carries out household electricity metering through additionally setting up the branch room, and every household uses a branch room alone to realize that the measurement is independent.
Description
Technical Field
The invention relates to the technical field of substations, in particular to a combined substation capable of realizing household power supply metering.
Background
The combined transformer station (beauty transformer) is a complete set of power transformation and distribution equipment which combines a transformer, a load switch of a high-voltage power receiving part, a protection device, a low-voltage distribution device, a low-voltage metering system and a reactive compensation device. The device has the advantages of low loss, small volume, convenient installation, simple maintenance, low total construction cost and the like. The structure is fully sealed, fully insulated, compact in structure, attractive in appearance and small in volume (only about 1/3 of that of the preassembled transformer substation). The power distribution room is not needed, and the power distribution room can be directly installed indoors or outdoors. The combined transformer substation (American transformer) can be used for terminal power supply and ring network power supply, is quite convenient to convert, and ensures the reliability of power supply. And the double fuse full-range protection mode is adopted, so that the operation cost is greatly reduced. The 10kV sleeve type cable head can be pulled out and plugged in for many times under 200A load current, is used as a load switch in emergency, and has the characteristic of an isolating switch. However, conventional aesthetic changes can only realize one household of power supply metering, and cannot realize household-by-household power supply metering, so that the device is not suitable for household-by-household metering of a plurality of workshops in a small industrial park, and the calculation of the electric charge of each workshop is affected, so that disputes are often caused by unclear electric charge calculation. Therefore, there is a need to propose a modular substation capable of realizing split-home power metering, so as to at least partially solve the problems existing in the prior art.
Disclosure of Invention
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
In order to at least partially solve the above problems, the present invention provides a combined transformer substation capable of realizing household power metering, including: the device comprises a transformer, a main chamber, a compensation chamber and at least two sub-chambers; the main chamber and the sub-chambers are respectively positioned at two opposite sides of the transformer, the main chamber and the sub-chambers are connected through the compensation chamber, a cable enters the main chamber from the transformer, is tapped to each sub-chamber through the compensation chamber, and the cables between the sub-chambers are connected in parallel.
Preferably, the total chamber comprises a high pressure chamber, a total measuring chamber, an incoming line chamber and an outgoing line chamber; the cable sequentially enters the high-voltage chamber, the total chamber, the incoming chamber and the outgoing chamber from the transformer and is connected into the compensation chamber.
Preferably, the sub-chambers include a sub-switching chamber and a sub-metering chamber, and the cable is connected from the compensation chamber to the sub-switching chamber and then to the sub-metering chamber.
Preferably, an overlapping router is arranged in the compensation chamber and used for routing the crossed cables in the compensation chamber;
the branch metering chamber is provided with a branch fixing end for branching the ground, fire and zero wires of the cable entering the branch metering chamber;
and a bending limiter is sleeved on the cable in the compensation chamber and used for limiting the bending angle of the cable.
Preferably, the overlapping router comprises a first sealing cover, a second sealing cover and a cross branching unit, the cross branching unit is composed of a first arch piece and a second arch piece which are arranged normally, one side of the first arch piece is a first arch end, the other side of the first arch piece is a first clamping end, one side of the second arch piece is a second arch end, the other side of the second arch piece is a second clamping end, the end face of the first arch end and the end face of the second arch end are both provided with half grooves, two crossed cables are respectively arranged in the two half grooves, the first sealing cover is buckled on the first arch end and is clamped with the second clamping end, the second sealing cover is buckled on the second arch end and is clamped with the first clamping end, and the first sealing cover and the second sealing cover are connected through screws.
Preferably, the first cover and the second cover are respectively provided with an arch-shaped containing groove (a, b) and a clamping groove (a, b), and a half groove is arranged in the arch-shaped containing groove (a, b),
the first arched end is inserted into the arched accommodating groove (a) of the first sealing cover, and the clamping groove (a) of the first sealing cover is clamped with the second clamping end;
the second arched end is inserted into the arched containing groove (b) of the second sealing cover, and the clamping groove (b) of the second sealing cover is clamped with the first clamping end.
Preferably, the branching fixed end comprises a fixed pipe and a branching pipe; the utility model discloses a branch metering chamber, including fixed pipe, branch metering chamber, clamping hole, clamping pipe, fixing pipe, clamping hole, connecting pipe and connecting pipe, the fixed pipe sets up on the lateral wall of branch metering chamber, the both ends of fixed pipe all are provided with the turn-ups, and the turn-ups external diameter is greater than the external diameter of fixed pipe, the lateral wall of fixed pipe is provided with the joint hole, the inner wall of branch pipe is provided with at least three separated time board, three mutually independent between the separated time board to the contained angle between the two adjacent separated time boards is the same, the lateral wall of branch pipe is provided with the movable opening and the clamping table that the axial runs through, the diameter of clamping table is less than the diameter of joint hole, the position of clamping table with the position of joint hole suits, the both sides of clamping table are provided with the bar hole, the branch pipe is pegged graft in the fixed pipe.
Preferably, the corrugated pipe is wrapped outside the cable entering the sub-metering chamber from the compensation chamber, zero, ground and fire wires are wrapped in the corrugated pipe, the end part of the corrugated pipe is connected with the flanging of the fixed pipe, the end part of the sub-metering pipe is provided with a winding plate, and the winding plate is used for winding and fixing the cable in the sub-metering chamber.
Preferably, the bending limiter comprises at least two rotating plates and a connecting rope, the rotating plates are sleeved on the cable, two adjacent rotating plates are connected through the connecting rope, the rotating plates are fixed on the side wall of the compensation chamber, penetrating threading holes are formed in the rotating plates, the connecting rope is connected with the rotating plates through the threading holes, fixing holes are formed in the side wall of the rotating plates and are normal to the threading holes, and screws connected with the side wall of the compensation chamber are arranged in the fixing holes.
Preferably, the bending limiter further comprises elastic ropes, wherein two end faces of the rotating plate are symmetrically provided with arched supporting tables, through holes are formed in the arched supporting tables, cables are connected with the rotating plate through the through holes, arched settling grooves are formed in two ends of the arched supporting tables, connecting holes penetrating through the rotating plate are formed in two ends of the settling grooves, and the elastic ropes are connected with the rotating plate through the connecting holes.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the combined type transformer substation of the utility model carries out household electricity metering through additionally setting up the branch room, and every household uses a branch room alone to realize that the measurement is independent.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination and practice of the invention.
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 top view of a combined transformer substation capable of realizing household power supply metering according to the invention.
Fig. 2 is a front view of a combined transformer substation capable of realizing household power supply metering according to the invention.
Fig. 3 is a rear view of a modular substation capable of implementing split-door power metering according to the present invention.
Fig. 4 is a left view (a) and a right view (B) of a combined transformer substation capable of realizing household power metering according to the invention.
Fig. 5 is a schematic structural diagram of an overlapping router in a combined transformer substation capable of realizing household power supply metering according to the invention.
Fig. 6 is an exploded view of fig. 5.
Fig. 7 is a schematic structural view of a first embodiment of a wire-dividing fixing end.
Fig. 8 is a schematic view of the structure of the line pipe in fig. 7.
FIG. 9 is a schematic view of the position of the line-separating fixed end in the metering chamber in FIG. 7.
Fig. 10 is a schematic structural view of a second embodiment of a wire-dividing fixing end.
Fig. 11 is a schematic structural view of the bending stopper in a bent state (C) and a straightened state (D).
Fig. 12 is a schematic structural diagram of a rotating plate in a combined transformer substation capable of realizing household power supply metering according to the invention.
Fig. 13 is a schematic diagram of the connection of two adjacent rotating plates.
Fig. 14 is a schematic view of the connection of two adjacent rotating plate elastic cords of fig. 13.
In the figure: the transformer 1, the compensation chamber 2, the high-voltage chamber 3, the total metering chamber 4, the incoming line chamber 5, the outgoing line chamber 6, the split switching chambers 7a and 7b, the split metering chambers 8a and 8b, the 9-overlapping wiring device, the first sealing cover 91, the second sealing cover 92, the first arch part 93, the first arch end 931, the first clamping end 932, the second arch part 94, the second arch end 941, the second clamping end 942, the arch containing groove 95a and 95b, the clamping groove 96a and 96b, the 10-branch fixing end, the 101-fixing pipe, the 102-branch pipe, the 103-branch plate, the 104-moving opening, the 105-clamping table, the 106-winding plate, the 11-corrugated pipe, the 12-rotating plate, the 121-threading hole, the 122-fixing hole, the 123-arch supporting table, the 124-through hole, the 125-placing groove, the 126-connecting hole 13-connecting rope and the 14-elastic rope.
Detailed Description
The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 14, the present invention provides a combined transformer station capable of realizing household power supply metering, comprising: a transformer 1, a main chamber, a compensation chamber 2 and at least two sub-chambers; the main chamber and the sub-chambers are respectively positioned at two opposite sides of the transformer 1, the main chamber and the sub-chambers are connected through the compensation chamber 2, a cable enters the main chamber from the transformer 1, is tapped to each sub-chamber through the compensation chamber 2, and the cables between the sub-chambers are connected in parallel. The total chamber comprises a high-pressure chamber 3, a total metering chamber 4, an incoming line chamber 5 and an outgoing line chamber 6; from the transformer 1, the cables enter the high voltage chamber 3, the total amount chamber 4, the incoming line chamber 5 and the outgoing line chamber 6 in sequence, and are connected into the compensation chamber 2. The sub-chambers comprise a sub-switching chamber 7 and a sub-metering chamber 8, and the cable is connected from the compensation chamber 2 into the sub-switching chamber 7 and then into the sub-metering chamber 8.
The technical scheme has the working principle and beneficial effects that: the combined type transformer substation of the utility model carries out household electricity metering through additionally setting up the branch room, and every household uses a branch room alone to realize that the measurement is independent.
Wherein, be provided with in the high pressure chamber 3:
1. an oil filling plug;
2. plug-in fuses, which can provide overload protection in the event of a short circuit or overload on the low-voltage side;
3. the pressure vacuum gauge is used for measuring the air pressure in the transformer 1;
4. a pressure release valve through which pressure can be released when the air pressure in the transformer 1 is too high;
5. a thermometer for measuring the temperature inside the transformer 1;
6. an oil level gauge for measuring an oil level in the transformer 1;
7. the tapping switch can adjust the gear, and the number of turns of the high-voltage winding can be increased or reduced through gear change so as to change the transformation ratio of the tapping switch, so that the voltage output by the low-voltage side is adjusted;
8. the oil immersed load switch is used for switching on and off and carrying current;
9. the European cable sleeve seat is used for connecting a front joint of a cable;
10. the cable fault indicator alarms when the cable is short-circuited and has a ground fault;
11. a charge display for detecting whether the high voltage side is charged;
12. an operating rod for operating the tapping switch, the load switch and a tool for replacing the plug-in fuse;
13. and the heating plate is used for dispelling moisture in the high-pressure chamber 3 and preventing water drops from being formed in the chamber due to the moisture.
The compensation chamber 2 is internally provided with:
1. the knife-fuse switch is used for combining a knife switch and a fuse, and is used for putting in and cutting off the capacitor cabinet and has overload short-circuit protection;
2. the fuse is used for protecting a primary loop of the electrical element and preventing the electrical element from being damaged due to short circuit and overload;
3. the composite switch is used for switching the shunt capacitor;
4. a capacitor for providing reactive power consumed by the inductive load;
5. the reactive compensator and the reactive compensation command system are used for sampling, parameter setting, switching signal sending, protection and other functions;
6. the ammeter is used for displaying the current;
7. the voltmeter is used for displaying the voltage;
8. the indicating lamp is used for indicating the on-off state and the capacitance input state of the circuit breaker;
9. and the voltage conversion switch is used for converting the ABC interphase voltage.
The total measuring chamber 4 is internally provided with:
1. the metering current transformer is used for converting large current into small current for metering;
2. and the metering junction box is used for metering maintenance and measurement.
The inlet wire room 5 is internally provided with:
1. the ammeter is used for displaying the current;
2. the voltmeter is used for displaying the voltage;
3. the indicating lamp is used for indicating the on-off state and the capacitance input state of the circuit breaker;
4. the button is used for controlling the on-off of the circuit breaker;
5. voltage change-over switch for changing ABC interphase voltage
6. The universal circuit breaker is used for switching on and off a total circuit, carrying current, protecting equipment, avoiding overload, undervoltage, short circuit and the like;
7. the copper bar or bus bar is used for conducting a circuit and carrying current;
8. the current transformer is used for converting large current into small current for the measuring instrument;
the outlet chamber 6 is internally provided with:
1. the fuse is used for protecting a secondary circuit of the electrical element and preventing the electrical element from being damaged due to short circuit and overload;
2. the molded case circuit breaker is used for switching on and off of shunt load and carrying current, protecting equipment and avoiding overload, undervoltage, short circuit and the like;
3. the ammeter is used for displaying the current;
4. the indicating lamp is used for indicating the on-off state and the capacitance input state of the circuit breaker;
5. and the knife switch is used for connecting and disconnecting the load and has no protection function.
The various instrument devices are all commercial products, and specific models are not repeated.
In one embodiment, an overlapping router 9 is arranged in the compensation chamber 2 for routing of intersecting cables in the compensation chamber 2;
the branch metering chamber 8 is provided with a branch fixing end 10 for branching the ground, fire and zero three wires of the cable entering the branch metering chamber 8;
and a bending limiter is sleeved on the cable in the compensation chamber 2 and used for limiting the bending angle of the cable.
The technical scheme has the working principle and beneficial effects that: because the combined transformer substation of this application needs to carry out the family metering and still need maintain less volume simultaneously, can only take advantage of in the competition with the prefabricated substation, therefore how reasonable wiring has decided the whole volume size of this combined transformer substation, wherein transformer 1, high-pressure room 3, total metering room 4, inlet wire room 5 and outlet wire room 6 are the conventional structure of beautiful change, consequently need not optimize the cable in each indoor of above-mentioned, because this application has increased a plurality of sub-rooms, thereby make the cable quantity from compensating room 2 to be connected to each sub-room increase, and then need carry out reasonable wiring in the compensating room 2 and just can hold more cables in limited space, in order to increase more sub-rooms, in order to further optimize cable overall arrangement and convenient follow-up maintenance in the in-process of wiring, to the cable of intercrossing, need be routed through overlapping router 9, so that the cross cable can separate, can not make the cable in compensating room 2 inside the complicated winding together, lead to the cable hold the volume reduces, also avoid the in-process waste of maintenance to find out the track, the line.
Meanwhile, in order to further optimize the cable layout, the cables in the compensation chamber 2 are uniformly wrapped and wound, so that the ground, fire and zero wires are combined into one strand, wiring and wire finding are convenient, when the cables enter the sub-metering chamber 8, the parts in the compensation chamber 2 are combined into one strand through the wire-dividing fixed end 10, and the parts in the sub-metering chamber 8 can be naturally split into three wires for wire connection.
The diameter of the cable combined into one strand is increased, so that the cable is designed and manufactured according to the electric control cabinet structure and process article 5.6.1.1 during wiring; 2. the requirement of the wiring on the wires in the control cabinet; (3) the bending radius should be greater than 3 times its outer diameter. To avoid structural failure, such as internal cracks affecting service life, etc., after bending of the material. Therefore, the bending limiter is sleeved on the cable, and the bending angle of the cable can be limited while the cable is fixed in position, so that the overlarge bending angle is avoided.
In one embodiment, the overlapping router 9 includes a first cover 91, a second cover 92, and a cross splitter, where the cross splitter is composed of a first arch 93 and a second arch 94 that are disposed in a normal direction, one side of the first arch 93 is a first arch end 931, the other side of the first arch 93 is a first clamping end 932, one side of the second arch 94 is a second arch end 941, the other side is a second clamping end 942, two intersecting cables are disposed in two half slots respectively on an end face of the first arch 931 and an end face of the second arch 941, the first cover 91 is fastened to the first arch end 931 and is clamped to the second clamping end 942, the second cover 92 is fastened to the second arch end 941 and is clamped to the first clamping end 932, and the first cover 91 and the second cover 92 are connected by a screw. The first cover 91 and the second cover 92 are provided with arcuate receiving grooves 95a,95b and engaging grooves 96a,96b, and half grooves are provided in the arcuate receiving grooves 95a,95b,
the first arched end 931 is inserted into the arched accommodating groove 95a of the first cover 91, and the clamping groove 96a of the first cover 91 is clamped with the second clamping end 942;
the second arched end 941 is inserted in the arched accommodating groove 95b of the second cover 92, and the clamping groove 96b of the second cover 92 is clamped with the first clamping end 932.
The technical scheme has the working principle and beneficial effects that: the cross-shaped branching device is formed by splicing the first arch part 93 and the second arch part 94 normally, when the cross-shaped cable is routed, the two cables are respectively placed in the half grooves of the first arch end 931 and the second arch end 941, because the first arch part 93 and the second arch part 94 are of arch structures, a staggered space can be reserved between the two cables, the two cables cannot be mutually extruded together, the overlapping wiring device 9 can conveniently slide along one cable, the other cable is not influenced, the radian of the arch structures is large, the cables cannot be bent, the first sealing cover 91 and the second sealing cover 92 are buckled on the cross-shaped branching device after the cables are arranged, the screws are used for tightening and fixing the cross-shaped cable, when the positions are unsuitable, the relative positions of the overlapping wiring device 9 on the cables can be adjusted under the condition that the screws are not disassembled, the arch structures can play a role of fixing the overlapping wiring device 9 in the condition that the relative positions of the cross-shaped cable are not influenced, and the relative positions of the overlapping wiring device 9 can be adjusted under the condition that the cross-shaped cable is not disassembled.
In one embodiment, the branching fixed end 10 includes a fixed pipe 101 and a branching pipe 102; the fixed pipe 101 is arranged on the side wall of the branch metering chamber 8, flanges are arranged at two ends of the fixed pipe 101, the outer diameter of each flange is larger than that of the fixed pipe 101, clamping holes are formed in the side wall of the fixed pipe 101, at least three branch plates 103 are arranged on the inner wall of the branch pipe 102, the branch plates 103 are mutually independent, the included angles between every two adjacent branch plates 103 are identical, movable openings 104 and clamping platforms 105 which axially penetrate through are formed in the side wall of the branch pipe 102, the diameter of each clamping platform 105 is smaller than that of each clamping hole, the positions of the clamping platforms 105 are matched with those of the clamping holes, strip-shaped holes are formed in two sides of each clamping platform 105, and the branch pipe 102 is inserted into the fixed pipe 101. The corrugated pipe 11 is wrapped outside the cable entering the sub-metering chamber 8 from the inside of the compensation chamber 2, zero, ground and fire wires are wrapped in the corrugated pipe 11, the end part of the corrugated pipe 11 is connected with the flange of the fixed pipe 101, the end part of the sub-metering pipe 102 is provided with a winding plate 106, and the winding plate 106 is used for winding and fixing the cable in the sub-metering chamber 8.
The technical scheme has the working principle and beneficial effects that: in order to simplify the circuit in the compensation chamber 2, the cable in the compensation chamber 2 is covered by the corrugated tube 11, so that the three wires are combined into one strand, meanwhile, the end part of the corrugated tube 11 is fixed on the side wall on one side of the compensation chamber 2 through the flanging of the fixing tube 101, after the cable passes through the fixing tube 101, the branching tube 102 is sleeved on the cable, and the three wires are separated through the three branching plates 103, so that the circuit connection in the metering chamber 8 is convenient. Then, the side wall of the branch pipe 102 is pinched to reduce the movable opening 104, so that the outer diameter of the branch pipe 102 is reduced, the branch pipe 102 is convenient to insert into the fixed pipe 101, after the branch pipe 102 is inserted into the fixed pipe 101, the clamping table 105 is clamped with the clamping hole, because the diameter of the branch pipe is smaller than that of the clamping hole, and strip-shaped holes are formed in two sides of the clamping table 105, so that the clamping table 105 can be separated from the clamping hole in the process of disassembly. Meanwhile, for the empty sub-metering chamber 8, another embodiment is provided, namely, a winding plate 106 is arranged at the end part of the branching pipe 102 and used for binding three wires which penetrate into the sub-metering chamber 8 and are not connected in a line temporarily, so that the three wires are prevented from being withdrawn back into the corrugated pipe 11 in the reverse direction, and inconvenient to take out during application.
In one embodiment, the bending limiter comprises at least two rotating plates 12 and a connecting rope 13, the rotating plates 12 are sleeved on a cable, two adjacent rotating plates 12 are connected through the connecting rope 13, the rotating plates 12 are fixed on the side wall of the compensation chamber 2, a penetrating threading hole 121 is formed in each rotating plate 12, the connecting rope 13 is connected with the rotating plates 12 through the threading hole 121, a fixing hole 122 is formed in the side wall of each rotating plate 12, the fixing hole 122 is normal to the threading hole 121, and a screw connected with the side wall of the compensation chamber 2 is arranged in the fixing hole 122. The bending limiter further comprises elastic ropes 14, two end faces of the rotating plate 12 are symmetrically provided with arched supporting tables 123, through holes 124 are formed in the arched supporting tables 123, cables are connected with the rotating plate 12 through the through holes 124, arched placement grooves 125 are formed in two ends of the arched supporting tables 123, connecting holes 126 penetrating through the rotating plate 12 are formed in two ends of the placement grooves 125, and the elastic ropes 14 are connected with the rotating plate 12 through the connecting holes 126.
The technical scheme has the working principle and beneficial effects that: in order to further optimize the wiring of the cable in the compensation chamber 2, a bending limiter is sleeved on the cable, and the cable can be kept straight and not bent when the cable is linearly arranged, so that the flat cable is conveniently planned, the bending radius can be limited when the cable needs to be bent, and the cable is prevented from being damaged due to overlarge bending angle. It should be noted that, when the elastic cord 14 is connected, taking the top view of the rotating plate 12 as an example, four connecting holes 126 are required, which are respectively located at the upper and lower ends of the left side placing groove 125 (hereinafter, abbreviated as left upper and left lower), and located at the upper and lower ends of the right side placing groove 125 (hereinafter, abbreviated as right upper and right lower), when the two rotating plates 12 are vertically placed together, the rotating plate 12 located at the upper side is referred to as a top plate, the rotating plate 12 located at the lower side is referred to as a bottom plate, four elastic cords 14 are provided, one elastic cord is threaded out from the left lower side of the bottom plate, and the other elastic cord is threaded into the left upper side of the top plate; one is penetrated from the upper left of the bottom plate and penetrated from the lower left of the top plate; one is penetrated out from the right lower part of the bottom plate and penetrated in from the right upper part of the top plate; one is penetrated from the upper right of the bottom plate and penetrated from the lower right of the top plate; from this crisscross mode carries out the connection of elastic cord 14, and connecting rope 13 then directly wears out from through wires hole 121 and connects, and elastic cord 14 can maintain the vertical state of cable to conveniently carry out the circuit arrangement, when the cable is buckled, two rotation plates 12 can realize the upset through arch brace table 123, and the edge of rotation plate 12 can carry out the angle spacing simultaneously, prevents to turn over the angle too big. The wiring can be completed by connecting the screws in the fixing holes 122 with the side walls of the compensation chamber 2 during wiring, and no extra wire harness tools such as binding belts are needed. When the rotating plate 12 at the bending position cannot be fixedly connected with the side wall of the compensation chamber 2, the connecting rope 13 can be tensioned to keep the bending shape, so that the cable is prevented from being reset by the elasticity of the elastic rope 14.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. The utility model provides a can realize combination formula transformer substation of family's power supply measurement which characterized in that includes: a transformer (1), a total chamber, a compensation chamber (2) and at least two sub-chambers; the main chamber and the sub-chambers are respectively positioned at two opposite sides of the transformer (1), the main chamber and the sub-chambers are connected through the compensation chamber (2), a cable enters the main chamber from the transformer (1), the cable is connected to each sub-chamber in a tapping mode through the compensation chamber (2), and the cables between the sub-chambers are connected in parallel.
2. The combined transformer substation capable of realizing household power metering according to claim 1, wherein the total chamber comprises a high-voltage chamber (3), a total chamber (4), an incoming line chamber (5) and an outgoing line chamber (6); the cable sequentially enters the high-voltage chamber (3), the total amount chamber (4), the incoming line chamber (5) and the outgoing line chamber (6) from the transformer (1) and is connected into the compensation chamber (2).
3. The modular substation with household power metering according to claim 2, characterized in that the sub-compartments comprise a sub-switching compartment (7) and a sub-metering compartment (8), and that the cable is connected from the compensation compartment (2) to the sub-switching compartment (7) and then to the sub-metering compartment (8).
4. A modular substation capable of implementing household power metering according to claim 3, characterized in that an overlapping router (9) is arranged in the compensation chamber (2) for routing of crossed cables in the compensation chamber (2);
the branch metering chamber (8) is provided with a branch fixing end (10) for branching the ground, fire and zero three wires of the cable entering the branch metering chamber (8);
and a bending limiter is sleeved on the cable in the compensation chamber (2) and used for limiting the bending angle of the cable.
5. The combined transformer substation capable of realizing household power metering according to claim 4, wherein the overlapped wiring device (9) comprises a first sealing cover (91), a second sealing cover (92) and a cross branching device, the cross branching device is composed of a first arch part (93) and a second arch part (94) which are arranged normally, one side of the first arch part (93) is a first arch end (931), the other side of the first arch part is a first clamping end (932), one side of the second arch part (94) is a second arch end (941), the other side of the second arch part is a second clamping end (942), the end face of the first arch end (931) and the end face of the second arch end (941) are respectively provided with half grooves, two crossed cables are respectively arranged in the two half grooves, the first sealing cover (91) is buckled on the first arch end (931) and clamped with the second clamping end (942), the second sealing cover (92) is buckled on the second arch end (941) and is clamped with the first arch end (92), and the first sealing cover (932) is connected through screws.
6. The combined transformer substation capable of realizing household power supply metering according to claim 5, wherein the first sealing cover (91) and the second sealing cover (92) are respectively provided with an arch-shaped containing groove (95 a,95 b) and a clamping groove (96 a,96 b), and half grooves are arranged in the arch-shaped containing grooves (95 a,95 b),
the first arched end (931) is inserted into an arched accommodating groove (95 a) of the first sealing cover (91), and a clamping groove (96 a) of the first sealing cover (91) is clamped with the second clamping end (942);
the second arched end (941) is inserted into the arched accommodating groove (95 b) of the second sealing cover (92), and the clamping groove (96 b) of the second sealing cover (92) is clamped with the first clamping end (932).
7. The combined transformer substation capable of realizing household power metering according to claim 4, wherein the branching fixed end (10) comprises a fixed pipe (101) and a branching pipe (102); the utility model discloses a branch metering chamber, including branch metering chamber (8), fixed pipe (101) set up on the lateral wall of branch metering chamber (8), the both ends of fixed pipe (101) all are provided with the turn-ups, and the external diameter of turn-ups is greater than the external diameter of fixed pipe (101), the lateral wall of fixed pipe (101) is provided with the joint hole, the inner wall of branch pipe (102) is provided with at least three branch board (103), three between branch board (103) mutually independent to the contained angle between two adjacent branch board (103) is the same, the lateral wall of branch pipe (102) is provided with movable opening (104) and clamping platform (105) that the axial runs through, the diameter of clamping platform (105) is less than the diameter of joint hole, the position of clamping platform (105) with the position of joint hole suits, the both sides of clamping platform (105) are provided with the bar hole, branch pipe (102) are pegged graft in fixed pipe (101).
8. The combined transformer substation capable of realizing household power supply metering according to claim 7, wherein a corrugated pipe (11) is wrapped outside a cable entering the metering chamber (8) from the inside of the compensation chamber (2), zero, ground and live wires are wrapped in the corrugated pipe (11), the end part of the corrugated pipe (11) is connected with the flanging of the fixed pipe (101), a winding plate (106) is arranged at the end part of the branching pipe (102), and the winding plate (106) is used for winding and fixing the cable in the metering chamber (8).
9. The combined transformer substation capable of realizing household power supply metering according to claim 4, wherein the bending limiter comprises at least two rotating plates (12) and a connecting rope (13), the rotating plates (12) are sleeved on a cable, two adjacent rotating plates (12) are connected through the connecting rope (13), the rotating plates (12) are fixed on the side wall of the compensation chamber (2), threading holes (121) penetrating through the rotating plates (12) are formed in the rotating plates (12), the connecting rope (13) is connected with the rotating plates (12) through the threading holes (121), fixing holes (122) are formed in the side wall of the rotating plates (12), the fixing holes (122) are normal to the threading holes (121), and screws connected with the side wall of the compensation chamber (2) are arranged in the fixing holes (122).
10. The combined transformer substation capable of realizing household power supply metering according to claim 9, wherein the bending limiter further comprises elastic ropes (14), two end faces of the rotating plate (12) are symmetrically provided with arched supporting tables (123), through holes (124) are formed in the arched supporting tables (123), cables are connected with the rotating plate (12) through the through holes (124), arched settling grooves (125) are formed in two ends of the arched supporting tables (123), connecting holes (126) penetrating through the rotating plate (12) are formed in two ends of the settling grooves (125), and the elastic ropes (14) are connected with the rotating plate (12) through the connecting holes (126).
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