Single-phase voltage transformer conductor structure

Abstract

The utility model discloses a conductor structure of a single-phase voltage transformer, which particularly relates to the technical field of electric power systems and comprises an insulating shell, a cooling component is arranged on the insulating shell and comprises an insulating cylinder which is arranged on the outer side of the insulating shell and communicated with the insulating shell, and the insulating cylinder is connected with the insulating shell. The top of the insulating cylinder is provided with a diversion ring used for diversion. According to the utility model, through the arrangement of the cooling assembly, when water rotates through the conductor seat, the plurality of arc-shaped fins are driven to rotate and displace along the axis point of the conductor seat at the same time, so that air flow is extracted into the insulating cylinder and injected into the insulating shell to cool the interior of the insulating shell, and the air flow sprayed onto the flow gathering plate is gathered through the plurality of flow gathering holes; backflow generated when airflow makes contact with the flow gathering plate can be injected into the insulating shell from the side face of the insulating shell through the flow guiding frame, the function of bidirectional cooling of the inner side face and the top face of the insulating shell at the same time is achieved, the heat dissipation and cooling efficiency and effect are improved, and structural damage caused by overheating is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to power system technical field more specifically, the utility model relates to single -phase voltage transformer conductor structure. BACKGROUND

[0002] The gas insulated metal enclosed switchgear is one of important power transmission and transformation equipment for the power grid, and its safety and reliability is crucial for the safe operation of the power grid. The function of the voltage transformer is to transform high voltage into standard low voltage (100V or 100 / V) in proportion, so as to realize the standardization and miniaturization of measuring instruments, protection equipment and automatic control equipment; isolate high voltage to protect the safety of workers and equipment. The electromagnetic voltage transformer is one of the main voltage transformers used in the power grid in China, which is an important equipment in power transmission. It not only provides convenience for the operation monitoring of the power grid, but also provides parameters for the correct action of certain relay protection. Therefore, strengthening the monitoring test of the electromagnetic voltage transformer in operation has great significance for ensuring the safety of the power grid.

[0003] Among them, the patent with publication number CN212991777U discloses a GIS with a detachable conductor single-phase voltage transformer structure. A GIS with a detachable conductor single-phase voltage transformer structure, comprising a single-phase voltage transformer, characterized in that: the single-phase voltage transformer is connected to one end of the first pot-type insulator below, the other end of the first pot-type insulator is connected to one end of the density relay, the other end of the density relay is connected to the second pot-type insulator, the first pot-type insulator, the density relay and the second pot-type insulator are spliced into an independent gas chamber, and the independent gas chamber is provided with a first shielding cover, a detachable conductor and a second shielding cover from top to bottom;

[0004] The structure, when in use, has a detachable conductor in the independent gas chamber. By detaching and installing the detachable conductor, the GIS can be subjected to withstand voltage test and maintenance, saving the workload of repeated installation on site, reducing the cost of installing equipment, and improving the production efficiency. However, a large amount of heat is generated during the current transmission of the conductor, which can easily cause structural damage due to the inability to discharge heat. UTILITY MODEL CONTENTS

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a single-phase voltage transformer conductor structure, which aims to solve the problems raised in the above background art.

[0006] The utility model provides the following technical scheme: a single-phase voltage transformer conductor structure, comprising an insulating shell, wherein a cooling assembly is arranged on the insulating shell.

[0007] The cooling assembly comprises an insulating cylinder arranged outside the insulating shell and communicated with the insulating shell, a flow guide ring arranged at the top of the insulating cylinder for guiding flow, a hollow disc arranged at the middle of the flow guide ring, and a plurality of communication pipes arranged outside the hollow disc and communicated with the flow guide ring and the hollow disc and distributed along the axial point of the hollow disc;

[0008] A flow guide frame is arranged on the surface of the frame opening and communicated with the insulating cylinder and the insulating shell.

[0009] It can be seen that, in the above technical solution, the water flow circulates in the flow guide ring, the hollow disc and the communication pipe, and when the conductor seat rotates, the plurality of arc-shaped fins are simultaneously rotated and displaced along the axial point of the conductor seat to extract the air flow into the insulating cylinder and inject it into the insulating shell for heat dissipation and cooling.

[0010] Optionally, in possible embodiments, the cooling assembly further comprises a conductor seat arranged at the bottom of the hollow disc, a plurality of arc-shaped fins with arc-shaped vertical cross sections are arranged outside the conductor seat and distributed along the circumferential direction of the axial point of the conductor seat, a micro motor is arranged at the top of the conductor seat and mounted at the bottom of the hollow disc, the output end of the micro motor extends to the conductor seat and is detachably connected with the conductor seat, clamping plates for supporting are arranged on both sides of the inner wall of the insulating shell, a flow converging plate is arranged between the two clamping plates, a plurality of flow converging holes for guiding flow are arranged through the surface of the flow converging plate, the vertical cross sections of the flow converging holes are all arranged in a tapered shape, an installation groove is arranged outside the flow guide ring, a first conduit and a second conduit extending to the hollow disc and communicated with the hollow disc are arranged in the installation groove, and a plurality of connecting legs are arranged outside the insulating cylinder and mounted on the insulating shell.

[0011] It can be seen that, in the above technical solution, when the air flow enters the insulating shell, the air flow converging plate converges the air flow sprayed on the air flow converging plate, so that the air flow is more targeted when sprayed, and the backflow generated when the air flow contacts the air flow converging plate can be injected into the insulating shell through the flow guide frame from the side of the insulating shell, realizing the bidirectional cooling function of the inner side and the top surface of the insulating shell, improving the heat dissipation and cooling efficiency and effect.

[0012] The technical effects and advantages of the present application are as follows:

[0013] Compared with the prior art, the cooling assembly has the advantages of simple overall design, reasonable structure, and convenient air flow heat exchange and cooling after the water flow circulates in the flow guide ring, the hollow disc and the communication pipe and is discharged through the second conduit.

[0014] The air flow is extracted into the insulating cylinder and injected into the insulating shell through the rotation of the conductor seat to drive the plurality of arc-shaped fins to rotate and displace along the axial point of the conductor seat, so as to cool the insulating shell;

[0015] The air flow sprayed on the flow converging plate is converged through the plurality of flow converging holes, so that the air flow is more targeted after being sprayed, and the backflow generated when the air flow contacts the flow converging plate can be injected into the insulating shell through the flow guide frame from the side of the insulating shell, so as to realize the bidirectional cooling function of the inner side and the top surface of the insulating shell, improve the heat dissipation and cooling efficiency and effect, and avoid structural damage caused by overheating. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present disclosure, the following will briefly introduce the drawings needed to be used in some embodiments of the present disclosure. Obviously, the drawings described below are only some of the drawings of the present disclosure, and other drawings can also be obtained by those skilled in the art according to these drawings. In addition, the drawings in the following description can be regarded as schematic diagrams, and are not limited to the actual size, actual process, actual timing of signals, etc. of the products involved in the embodiments of the present disclosure.

[0017] Figure 1 It is a front view of the overall structure of the present utility model.

[0018] Figure 2 It is a sectional view of the overall structure of the present utility model.

[0019] Figure 3 It is a front view of the cooling assembly of the present utility model.

[0020] Figure 4 It is a front view of each structure of the flow guide ring of the present utility model.

[0021] The reference signs are: 1, insulating shell; 2, insulating cylinder; 3, flow guide ring; 4, hollow disc; 5, conductor seat; 6, arc-shaped fin; 7, communication pipe; 8, mounting groove; 9, first conduit; 10, second conduit; 11, micro motor; 12, clamping plate; 13, flow converging plate; 14, flow converging hole; 15, flow guide frame; 16, frame opening; 17, connecting leg. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present utility model will be described clearly and completely in combination with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some of the embodiments of the present utility model, but not all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0023] In the embodiments, as shown in the accompanying drawingsFigures 1-4 The single-phase voltage transformer conductor structure shown can gather and spray the heat exchange airflow through the cooling assembly arranged on the insulating shell 1, so that the airflow sprayed is more targeted, and the backflow of the airflow can also be injected into the insulating shell 1 through the flow guide frame 15 from the side of the insulating shell 1, realizing the function of rapidly cooling the internal hardware of the insulating shell 1, and the specific structure of the assembly is as follows:

[0024] The cooling assembly comprises an insulating cylinder 2 arranged outside the insulating shell 1 and connected with the insulating shell 1, a flow guide ring 3 arranged at the top of the insulating cylinder 2 for flow guiding, and a hollow disc 4 arranged at the middle of the flow guide ring 3, wherein the outside of the hollow disc 4 and along the axis point of the hollow disc 4 are distributed with a plurality of communication pipes 7 connected with the flow guide ring 3 and the hollow disc 4.

[0025] A frame opening 16 is arranged through the surface of one side of the insulating cylinder 2, and the flow guide frame 15 connected with the insulating cylinder 2 and the insulating shell 1 is arranged on the surface of the frame opening 16.

[0026] The cooling assembly further comprises a conductor seat 5 arranged at the bottom of the hollow disc 4, a plurality of arc-shaped fins 6 with arc-shaped vertical sections are distributed on the outside of the conductor seat 5 and along the circumferential direction of the axis point of the conductor seat 5, a micro motor 11 is arranged at the top of the conductor seat 5 and mounted at the bottom of the hollow disc 4, the output end of the micro motor 11 extends to the conductor seat 5 and is detachably connected with the conductor seat 5, clamping plates 12 for supporting are arranged on both sides of the inner wall of the insulating shell 1, a flow gathering plate 13 is arranged between the two clamping plates 12, a plurality of flow gathering holes 14 for flow guiding are arranged through the surface of the flow gathering plate 13, the vertical sections of the flow gathering holes 14 are all arranged in a tapered shape, an installation groove 8 is arranged on the outside of the flow guide ring 3, a first conduit 9 and a second conduit 10 extending to the hollow disc 4 and connected with the hollow disc 4 are arranged in the installation groove 8, and a plurality of connecting legs 17 are arranged on the outside of the insulating cylinder 2 and mounted on the insulating shell 1.

[0027] According to the above structure, when in use, the voltage transformer is mounted in the insulating shell 1 and clamped and positioned by the clamping plates 12 and the flow gathering plate 13, so as to ensure the stability of the installation, and when cooling, the cooling water is injected from the first conduit 9 by the external water pump, the water flow is circulated in the flow guide ring 3, the hollow disc 4 and the communication pipes 7, and then discharged through the second conduit 10, and the micro motor 11 is started to drive the conductor seat 5 to rotate, the conductor seat 5 rotates to drive the plurality of arc-shaped fins 6 to rotate and displace along the axis point of the conductor seat 5, so as to suck the airflow into the insulating cylinder 2 and inject it into the insulating shell 1;

[0028] When the airflow enters the insulating shell 1, the airflow sprayed on the flow gathering plate 13 is gathered through the plurality of flow gathering holes 14, so that the airflow sprayed is more targeted, and the cooling efficiency and effect are improved;

[0029] And the backflow generated when the air flow contacts the converging plate 13 can be injected into the insulating shell 1 through the side of the insulating shell 1 by the flow guide frame 15, realizing the double-direction cooling function of the inside side and top of the insulating shell 1, improving the heat dissipation and cooling efficiency and effect.

[0030] Different from the prior art, the single-phase voltage transformer conductor structure disclosed by the application is characterized in that: water flows in the flow guide ring 3, the hollow disc 4 and the communication pipe 7, and then is discharged through the second conduit 10, so as to facilitate the air flow heat exchange and cooling; when the conductor seat 5 rotates, the plurality of arc-shaped fins 6 are driven to rotate and displace along the axis point of the conductor seat 5, so as to extract the air flow into the insulating cylinder 2 and inject the air flow into the insulating shell 1 to cool the insulating shell 1; the plurality of converging holes 14 converge the air flow sprayed on the converging plate 13, so that the air flow sprayed is more targeted; and the backflow generated when the air flow contacts the converging plate 13 can be injected into the insulating shell 1 through the side of the insulating shell 1 by the flow guide frame 15, realizing the double-direction cooling function of the inside side and top of the insulating shell 1, improving the heat dissipation and cooling efficiency and effect.

[0031] The preferred embodiments of the utility model are only used for limiting the utility model, and any modification, equivalent replacement, improvement and the like made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. Single-phase voltage transformer conductor structure comprising an insulating housing (1), characterised in that: A cooling component is provided on the insulating shell (1); The cooling component includes an insulating cylinder (2) disposed on the outside of the insulating shell (1) and connected to the insulating shell (1). A flow guide ring (3) for guiding flow is disposed on the top of the insulating cylinder (2). A hollow disk (4) is disposed in the middle of the flow guide ring (3). Several connecting pipes (7) are distributed on the outside of the hollow disk (4) and along the axis of the hollow disk (4), all of which are connected to the flow guide ring (3) and the hollow disk (4). A frame opening (16) is provided on one side of the surface of the insulating cylinder (2), and a flow guide frame (15) is provided on the surface of the frame opening (16) to communicate with the insulating cylinder (2) and the insulating shell (1).

2. The single-phase voltage transformer conductor structure of claim 1, wherein: The cooling assembly also includes a conductor seat (5) disposed at the bottom of the hollow disk (4), and a number of arc-shaped fins (6) with arc-shaped vertical cross-sections are distributed on the outer side of the conductor seat (5) and along the circumference of the center point of the conductor seat (5).

3. A single-phase voltage transformer conductor structure according to claim 2, characterised in that: The top of the conductor seat (5) is provided with a micro motor (11) installed at the bottom of the hollow disk (4), and the output end of the micro motor (11) extends to the conductor seat (5) and is detachably connected to the conductor seat (5).

4. The single-phase voltage transformer conductor structure of claim 1, wherein: The inner wall of the insulating shell (1) is provided with clamps (12) for support on both sides, and a flow-concentrating plate (13) is provided between the two clamps (12).

5. The single-phase voltage transformer conductor structure according to claim 4, characterized in that: The surface of the flow-gathering plate (13) is provided with a plurality of flow-gathering holes (14) for guiding flow, and the vertical cross-sectional shape of each flow-gathering hole (14) is set to be conical.

6. The single-phase voltage transformer conductor structure according to claim 1, characterized in that: The guide ring (3) has an installation groove (8) on its outer side. The installation groove (8) contains a first conduit (9) and a second conduit (10) that extend to the hollow disk (4) and are connected to the hollow disk (4).

7. The single-phase voltage transformer conductor structure according to claim 1, characterized in that: The outer side of the insulating cylinder (2) is provided with several connecting legs (17) that are all mounted on the insulating shell (1).

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