CN210577248U

CN210577248U - Combined box-type substation with high-voltage metering device

Info

Publication number: CN210577248U
Application number: CN201921706627.3U
Authority: CN
Inventors: 张剑海; 周港活; 黄敏生
Original assignee: Huizhou Transformer Equipment Co ltd
Current assignee: Huizhou Transformer Equipment Co ltd
Priority date: 2019-10-12
Filing date: 2019-10-12
Publication date: 2020-05-19
Anticipated expiration: 2029-10-12

Abstract

The utility model relates to a box transformer production technical field, concretely relates to combination formula case that takes high pressure metering device becomes. The transformer cabinet comprises a transformer cabinet body, a transformer body arranged in the transformer cabinet body, and a first transformer radiator, a low-voltage cabinet, a second transformer radiator and a high-voltage cabinet which are sequentially arranged around the transformer cabinet body; the high-voltage cabinet comprises a high-voltage incoming line, a high-voltage load switch chamber and a high-voltage metering chamber. The utility model discloses in set up high-pressure measurement room, can realize satisfying high-pressure measurement requirement, the monitoring electric quantity of being convenient for in the measurement operation of high-pressure input one side. On the other hand, the first transformer radiator, the low-voltage cabinet, the second transformer radiator and the high-voltage cabinet are arranged around the transformer body, the structure is more compact, the purpose of reasonably utilizing space and resources is achieved, and meanwhile, the overall radiating effect is better due to the exposed design of the two transformer radiators.

Description

Combined box-type substation with high-voltage metering device

Technical Field

The utility model relates to a box transformer production technical field, concretely relates to combination formula case that takes high pressure metering device becomes.

Background

The box transformer, namely a box transformer, is a transformer which is designed by centralizing a traditional transformer in a box type shell, has small volume, light weight, low noise, low loss and high reliability, and is widely applied to residential districts, commercial centers, light stations, airports, factories and mines, enterprises, hospitals, schools and other places. The box-type transformer is used as a whole set of distribution equipment and is formed by organically combining a transformer, high-voltage control equipment and low-voltage control equipment. The basic principle of the transformer is that reasonable assembly is carried out according to a specified sequence through a pressure starting system, an armored wire, a transformer substation full-automatic system, a direct current point and corresponding technical equipment, and all components are installed in a specific waterproof, dustproof and rat-proof completely-sealed toughened box body structure, so that the specific transformer is formed. At present, a box-type transformer needs to be measured on a high-voltage side (namely, high-voltage electric energy measurement) in the working process, and therefore a box-type transformer capable of realizing high-voltage measurement is needed. In addition, most of the existing box transformers are in a structure that a plurality of different functional modules are arranged in a line, so that the box transformers are large in transverse size, the requirement on a field is limited, space and resources cannot be reasonably utilized, and the use of users is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a take high pressure metering device's combination formula case to become.

The utility model discloses a following scheme realizes:

a combined box transformer with a high-voltage metering device comprises a transformer cabinet body, a transformer body arranged in the transformer cabinet body, a first transformer radiator, a low-voltage cabinet, a second transformer radiator and a high-voltage cabinet, wherein the first transformer radiator, the low-voltage cabinet, the second transformer radiator and the high-voltage cabinet are sequentially arranged around the transformer cabinet body; the high-voltage cabinet comprises a high-voltage incoming line, a high-voltage load switch chamber and a high-voltage metering chamber; the inner bottom of the high-voltage metering chamber is provided with a plurality of high-voltage transformers, the side wall of the high-voltage metering chamber is provided with at least one high-voltage current transformer, and the side wall of the high-voltage metering chamber is also provided with at least one first high-voltage conductive pipe and at least one second high-voltage conductive pipe; the high-voltage metering chamber is also provided with an ammeter metering module; and a high-voltage protective tube is connected between the second high-voltage conductive tube and the high-voltage transformer.

Furthermore, the high-voltage board is provided with a cabinet door, and an observation window is arranged at the position of the cabinet door corresponding to the ammeter measuring module.

Furthermore, the high-pressure metering chamber is also provided with an electromagnetic lock for locking the cabinet door.

Furthermore, the low-voltage cabinet is provided with a low-voltage cabinet incoming and outgoing line switch device and a low-voltage capacitance compensation chamber.

Further, first transformer radiator and second transformer radiator all include the support of being connected with the transformer cabinet body to and set up the fin on the support.

Furthermore, high-voltage load switch circuit is provided with in high-voltage inlet wire and the high-voltage load switch room, and high-voltage load switch circuit includes high-voltage arrester, cable head fault indicator, load switch, current-limiting fuse, and the one end of current-limiting fuse and the high-voltage current transformer electrical connection of high-pressure measurement room.

Furthermore, a charged display is arranged in the high-voltage metering chamber.

Contrast prior art, the utility model discloses following beneficial effect has:

the utility model discloses in set up high-pressure measurement room, can realize satisfying high-pressure measurement requirement, the monitoring electric quantity of being convenient for in the measurement operation of high-pressure input one side. On the other hand, the first transformer radiator, the low-voltage cabinet, the second transformer radiator and the high-voltage cabinet are arranged around the transformer body, the structure is more compact, the purpose of reasonably utilizing space and resources is achieved, and meanwhile, the overall radiating effect is better due to the exposed design of the two transformer radiators.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a combined box-type substation with a high-pressure metering device provided by the present invention.

Fig. 2 is another angle schematic diagram of the present embodiment.

Fig. 3 is a schematic structural diagram of the high-pressure metering chamber of the present embodiment.

FIG. 4 is another schematic view of the high pressure metering chamber.

Fig. 5 is a schematic circuit connection diagram of the high-voltage incoming line and high-voltage load switch chamber, the high-voltage metering chamber and the transformer body.

Included in the drawings are: the transformer cabinet comprises a transformer cabinet body 1, a transformer body 11, a first transformer radiator 2, a low-voltage cabinet 3, a second transformer radiator 4, a high-voltage cabinet 5, a high-voltage incoming line and high-voltage load switch chamber 51, a high-voltage metering chamber 52, a high-voltage transformer 53, a high-voltage current transformer 54, a first high-voltage conductive tube 55, a second high-voltage conductive tube 56, an electric meter metering module 57, a high-voltage fuse tube 58, a cabinet door 59, an observation window 591, an electromagnetic lock 50, a low-voltage cabinet incoming and outgoing line switching device 31, a low-voltage capacitance compensation chamber 32, a support 21, a cooling fin 22, a high-voltage lightning arrester F21, a cable head fault indicator D, a load switch QF11, a plug-in fuse FU.

Detailed Description

To facilitate understanding of the present invention for those skilled in the art, the present invention will be described in further detail with reference to the following detailed description and accompanying drawings.

Referring to fig. 1 to 5, the utility model provides a combination formula case of taking high pressure metering device becomes, including the transformer cabinet body 1, set up in the internal portion of transformer cabinet's transformer body 11, surround first transformer radiator 2, low-voltage cabinet 3, second transformer radiator 4, the high-voltage board 5 that the transformer cabinet body set gradually. The high-voltage cabinet comprises a high-voltage incoming line, a high-voltage load switch chamber 51 and a high-voltage metering chamber 52. The inner bottom of the high-voltage metering chamber is provided with a plurality of high-voltage potential transformers 53, the side wall of the high-voltage metering chamber is provided with at least one high-voltage current transformer 54, and the side wall of the high-voltage metering chamber is also provided with at least one first high-voltage conductive pipe 55 and at least one second high-voltage conductive pipe 56. The high-voltage metering chamber is also provided with an ammeter metering module 57; a high-voltage fuse tube 58 is connected between the second high-voltage conductive tube and the high-voltage potential transformer. The components in the high-voltage metering chamber form a high-voltage metering circuit, in fig. 5, a symbol TA is a high-voltage current transformer, a symbol TV is a high-voltage transformer, the high-voltage metering circuit is electrically connected with the transformer body, an insertion fuse FU11 is connected between the high-voltage metering circuit and the transformer, and the specification of the insertion fuse FU11 is 125A.

The high-voltage board 5 is provided with a cabinet door 59, and an observation window 591 is arranged at a position of the cabinet door corresponding to the electric meter measuring module. The high-pressure metering chamber is also provided with an electromagnetic lock 50 for locking the cabinet door.

The low-voltage cabinet 3 is provided with a low-voltage cabinet incoming and outgoing line switch device 31 and a low-voltage capacitance compensation chamber 32. The circuit structure of the low-voltage cabinet incoming and outgoing line switch device and the low-voltage capacitance compensation chamber of the low-voltage cabinet is a circuit which is widely used in the prior art, and redundant description is not needed.

The first transformer radiator 2 and the second transformer radiator 4 both comprise a bracket 21 connected with the transformer cabinet 1, and radiating fins 22 arranged on the bracket.

And a high-voltage load switch circuit is arranged in the high-voltage incoming line and high-voltage load switch chamber 51 and comprises a high-voltage arrester F21, a cable head fault indicator D, a load switch QF11 and a current-limiting fuse FU12, and one end of the current-limiting fuse is electrically connected with a high-voltage current transformer of the high-voltage metering chamber. The specification of the high-voltage arrester F21 is ZB-17/50 (elbow arrester), the cable head fault indicator D is of an optical fiber type, the specification of the load switch QF11 is 630A-25KA, and the specification of the current-limiting fuse FU12 is 50A. The transformer body is electrically connected with a low-voltage cabinet incoming and outgoing line switch device in the low-voltage cabinet. The connections between the electrical components, circuits, etc. involved in the present embodiment are all electrical connections.

A charged display 6 is also arranged in the high-voltage metering chamber 52.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected" and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection, or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

While the invention has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the scope of the included claims.

Claims

1. A combined box transformer with a high-voltage metering device is characterized by comprising a transformer cabinet body, a transformer body arranged in the transformer cabinet body, a first transformer radiator, a low-voltage cabinet, a second transformer radiator and a high-voltage cabinet, wherein the first transformer radiator, the low-voltage cabinet, the second transformer radiator and the high-voltage cabinet are sequentially arranged around the transformer cabinet body; the high-voltage cabinet comprises a high-voltage incoming line, a high-voltage load switch chamber and a high-voltage metering chamber; the inner bottom of the high-voltage metering chamber is provided with a plurality of high-voltage transformers, the side wall of the high-voltage metering chamber is provided with at least one high-voltage current transformer, and the side wall of the high-voltage metering chamber is also provided with at least one first high-voltage conductive pipe and at least one second high-voltage conductive pipe; the high-voltage metering chamber is also provided with an ammeter metering module; and a high-voltage protective tube is connected between the second high-voltage conductive tube and the high-voltage transformer.

2. The combined box transformer substation with the high-voltage metering device as claimed in claim 1, wherein the high-voltage cabinet is provided with a cabinet door, and an observation window is arranged at a position of the cabinet door corresponding to the electric meter measuring module.

3. The modular box transformer substation with a high-pressure metering device according to claim 2, characterized in that the high-pressure metering chamber is further provided with an electromagnetic lock for locking the cabinet door.

4. The combined box transformer substation with the high-voltage metering device as claimed in claim 1, wherein the low-voltage cabinet is provided with a low-voltage cabinet incoming and outgoing line switching device and a low-voltage capacitance compensation chamber.

5. The modular box transformer with high voltage metering device of claim 1, wherein the first transformer radiator and the second transformer radiator each comprise a bracket connected to the transformer cabinet and a heat sink disposed on the bracket.

6. The combined box transformer substation with the high-voltage metering device according to claim 1, wherein a high-voltage load switch circuit is arranged in the high-voltage incoming line and the high-voltage load switch chamber, the high-voltage load switch circuit comprises a high-voltage lightning arrester, a cable head fault indicator, a load switch and a current-limiting fuse, and one end of the current-limiting fuse is electrically connected with a high-voltage current transformer of the high-voltage metering chamber.

7. The modular box transformer substation with the high-pressure metering device as claimed in claim 1, wherein a charged display is further arranged in the high-pressure metering chamber.