CN213816760U - Intelligent box-type substation - Google Patents

Abstract

The utility model discloses an intelligent box-type substation, which comprises a box body, wherein the box body is internally divided into a high-pressure chamber, a low-pressure chamber and a transformer chamber; a transformer and a transformer state quantity sensor are arranged in the transformer chamber, and a high-voltage cabinet is arranged in the high-voltage chamber; an environment monitoring sensor is arranged in the box body; the low-voltage chamber is internally provided with a reactive compensation monitoring device, a low-voltage loop measurement and control terminal and an Internet of things device, and the environment monitoring sensor, the transformer state quantity sensor, the reactive compensation monitoring device and the low-voltage loop measurement and control terminal are all in communication connection with the Internet of things device. The maintenance data of the intelligent box-type substation are collected through various monitoring devices, the collected data are sent to the upper platform through the Internet of things device, remote monitoring is achieved, and labor cost is saved.

Description

Intelligent box-type substation

Technical Field

The utility model relates to a power equipment, especially an intelligent box-type substation.

Background

The box-type transformer substation has the characteristics of convenience in movement, short construction period and high product recycling rate. Because the box-type substation runs outdoors for a long time, people are usually difficult to send out to watch and keep, the intelligent monitoring of the box-type substation is particularly important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide an intelligent box-type substation.

The utility model provides a technical scheme that its problem adopted is:

an intelligent box-type substation comprises a box body, wherein the interior of the box body is divided into a high-pressure chamber, a low-pressure chamber and a transformer chamber; a transformer and a transformer state quantity sensor for monitoring the running state of the transformer are arranged in the transformer chamber, and a high-voltage cabinet is arranged in the high-voltage chamber; an environment monitoring sensor is arranged in the box body; the low-voltage chamber is internally provided with a reactive compensation monitoring device, a low-voltage loop measurement and control terminal and Internet of things equipment, the environment monitoring sensor is used for monitoring the state quantity of the transformer, the reactive compensation monitoring device and the low-voltage loop measurement and control terminal are all in communication connection with the Internet of things equipment.

Further, the environment monitoring sensor comprises a plurality of temperature and humidity sensors, and the high-voltage chamber, the low-voltage chamber and the transformer chamber are all provided with the temperature and humidity sensors.

Further, the environmental monitoring sensor includes a water sensor mounted in the transformer chamber.

Further, the environment monitoring sensor includes a plurality of door state sensors for monitoring an opening and closing state of a door, and the door state sensors are installed in the high-voltage chamber, the low-voltage chamber, and the transformer chamber.

Furthermore, the low-voltage chamber is provided with an incoming line metering cabinet and an outgoing line cabinet, and the incoming line metering cabinet and the outgoing line cabinet are both provided with the low-voltage loop measurement and control terminal.

Further, the incoming line metering cabinet adopts a frame breaker; the outgoing line cabinet adopts a molded case circuit breaker.

Further, the low-pressure chamber still is equipped with the compensation cabinet, the reactive power compensation monitoring device is installed to the compensation cabinet.

Further, the transformer state quantity sensor comprises a dry type transformer state quantity sensor suitable for a dry type transformer and an oil-immersed transformer state quantity sensor suitable for an oil-immersed transformer.

Further, the low-pressure chamber is provided with a monitoring room, and the Internet of things equipment is placed in the monitoring room.

Further, the box body is provided with wheels.

Above-mentioned intelligent box-type substation has following beneficial effect at least: the intelligent box-type substation monitoring system has the advantages that maintenance data of the intelligent box-type substation are collected through the environment monitoring sensor, the transformer state quantity sensor, the reactive compensation monitoring device and the low-voltage loop measurement and control terminal, collected data are sent to the upper platform through the Internet of things equipment, monitoring personnel can monitor conveniently, the monitoring personnel can quickly and timely react to problems occurring in the intelligent box-type substation, remote monitoring is achieved, and labor cost is saved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the following figures and examples.

Fig. 1 is a structural diagram of an intelligent box-type substation according to an embodiment of the present invention;

fig. 2 is a circuit connection diagram of an intelligent box-type substation according to an embodiment of the present invention;

fig. 3 is a schematic diagram of the connection of the components of the intelligent box-type substation for data interaction.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, an embodiment of the utility model provides an intelligent box-type substation. The intelligent box-type substation comprises a box body 10, wherein the interior of the box body 10 is divided into a high-voltage chamber 12, a low-voltage chamber 13 and a transformer chamber 11; a transformer 111 and a transformer state quantity sensor 321 for monitoring the running state of the transformer 111 are arranged in the transformer chamber 11, and a high-voltage cabinet 121 is arranged in the high-voltage chamber 12; an environment monitoring sensor is arranged in the box body 10; a reactive compensation monitoring device 323, a low-voltage loop measurement and control terminal 322 and the internet of things device 310 are arranged in the low-voltage chamber 13, and the environment monitoring sensor, the transformer state quantity sensor 321, the reactive compensation monitoring device 323 and the low-voltage loop measurement and control terminal 322 are all in communication connection with the internet of things device 310 through a 485 bus.

In this embodiment, the transformer 111 is monitored by the transformer state quantity sensor 321, and the state quantity of the transformer 111 is collected; monitoring environmental states such as temperature and humidity, water immersion conditions, door opening and closing states and the like in the intelligent box-type substation through an environmental monitoring sensor; monitoring the reactive compensation state through a reactive compensation monitoring device 323; the low-voltage loop measurement and control terminal 322 is used for monitoring the three-phase voltage and the position of a breaker switch, and the low-voltage loop measurement and control terminal 322 is matched with a current transformer to collect the ABCN current, power factor and the like of the low-voltage loop, so that the faults of short circuit, overload, phase loss and zero failure of the low-voltage loop are judged, and the low-voltage tripping action is driven according to the judgment. Data collected by the environment monitoring sensor, the transformer state quantity sensor 321, the reactive compensation monitoring device 323 and the low-voltage loop measurement and control terminal 322 are sent to the cloud platform 500 through the Internet of things device 310, monitoring personnel can monitor conveniently, the monitoring personnel can quickly and timely react to problems occurring in the intelligent box-type substation, remote monitoring is achieved, and labor cost is saved.

Further, the environment monitoring sensor includes a plurality of temperature and humidity sensors 210, and high-pressure chamber 12, low-pressure chamber 13 and transformer room 11 all are equipped with temperature and humidity sensors 210, and a plurality of temperature and humidity sensors 210 all are connected with thing networking device 310 communication.

Further, the environment monitoring sensor includes a water sensor 220, and the water sensor 220 is installed in the transformer room 11. Since the transformer 111 is placed in the transformer chamber 11, which is particularly important for the problem of water intrusion, the water sensor 220 is installed in the transformer chamber 11.

Further, the environment monitoring sensor includes a plurality of door state sensors 230, and the door state sensors 230 are installed in the high voltage chamber 12, the low voltage chamber 13, and the transformer chamber 11. The equipment of intelligent box-type substation is expensive and in outdoor unmanned state, and door state sensor 230 control door on-off state can play the theftproof control effect. A plurality of doors of this intelligent box-type substation arrange around box 10, can realize the maintenance of opening the door entirely.

Further, the low-voltage chamber 13 is provided with an incoming line metering cabinet 131 and an outgoing line cabinet 132, the outgoing line cabinet 132 is connected with the incoming line metering cabinet 131, and the incoming line metering cabinet 131 and the outgoing line cabinet 132 are both provided with a low-voltage loop measurement and control terminal 322. In addition, the incoming line metering cabinet 131 adopts a frame breaker 410; the outlet cabinet 132 employs a molded case circuit breaker 420. In this embodiment, there are two outlet cabinets 132, and each outlet cabinet 132 has three outlets, and each outlet cabinet is provided with a molded case circuit breaker 420 and a low-voltage loop measurement and control terminal 322.

The intelligent release of the frame circuit breaker 410 has a protection function, a measurement function, an auxiliary function, a special function, and a communication function. The protection function comprises long delay protection, short delay protection, instantaneous protection, MCR protection, grounding protection, low voltage protection, overvoltage protection, voltage unbalance open-phase protection, phase sequence protection, low frequency protection, high frequency protection, reverse power protection, voltage harmonic alarm and current harmonic alarm; the measurement function comprises current measurement, voltage measurement, power measurement, frequency measurement, electric energy measurement and harmonic measurement; the auxiliary functions comprise a pre-alarm function, a self-diagnosis function, a fault history recording function and a test function; the special functions comprise load monitoring and regional joint control.

The molded case circuit breaker 420 mainly has long delay protection, short delay protection, and instantaneous protection functions.

Further, the low-voltage chamber 13 is further provided with a compensation cabinet 133, the compensation cabinet 133 is provided with a reactive compensation monitoring device 323, and the reactive compensation monitoring device 323 is used for realizing the function of monitoring the reactive compensation state on line.

Further, the transformer state quantity sensor 321 includes a dry-type transformer state quantity sensor suitable for a dry-type transformer and an oil-immersed transformer state quantity sensor suitable for an oil-immersed transformer.

The dry-type transformer state quantity sensor acquires the dry-type transformer state quantities such as the winding temperature, the iron core temperature, the fan state value and the like of the dry-type transformer.

The state quantity sensor of the oil-immersed transformer acquires the state quantity of the oil-immersed transformer such as the oil temperature, the oil level and the state value of the pressure release valve of the oil-immersed transformer.

The dry type transformer state quantity sensor and the oil immersed type transformer state quantity sensor transmit the collected data to the internet of things device 310.

Further, the low pressure chamber 13 is provided with a monitoring chamber 134, and the internet of things device 310 is placed in the monitoring chamber 134. Specifically, the internet of things device 310 is a gateway. The monitoring room 134 is additionally arranged, so that maintenance personnel can conveniently maintain the internet of things device 310.

Further, the high pressure chamber 12 is further provided with a DTU data conversion unit 122 for data conversion, which facilitates data transmission.

Further, the box body 10 is provided with wheels, so that the intelligent box-type substation can move conveniently.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiment, and the technical effects of the present invention can be achieved by the same means, which all belong to the protection scope of the present invention.

Claims (10)

1. The intelligent box-type substation is characterized by comprising a box body, wherein the interior of the box body is divided into a high-pressure chamber, a low-pressure chamber and a transformer chamber; a transformer and a transformer state quantity sensor for monitoring the running state of the transformer are arranged in the transformer chamber, and a high-voltage cabinet is arranged in the high-voltage chamber; an environment monitoring sensor is arranged in the box body; the low-voltage chamber is internally provided with a reactive compensation monitoring device, a low-voltage loop measurement and control terminal and Internet of things equipment, the environment monitoring sensor is used for monitoring the state quantity of the transformer, the reactive compensation monitoring device and the low-voltage loop measurement and control terminal are all in communication connection with the Internet of things equipment.

2. An intelligent box-type substation according to claim 1, wherein the environmental monitoring sensor comprises a plurality of temperature and humidity sensors, and the temperature and humidity sensors are provided in the high-pressure chamber, the low-pressure chamber and the transformer chamber.

3. An intelligent substation according to claim 1, wherein the environmental monitoring sensor comprises a water immersion sensor mounted in the transformer room.

4. An intelligent substation according to claim 1, wherein the environmental monitoring sensors comprise a plurality of door status sensors for monitoring the door open and close status, the door status sensors being mounted to the high-voltage chamber, the low-voltage chamber and the transformer chamber.

5. An intelligent box-type substation according to claim 1, wherein the low-voltage chamber is provided with an incoming line metering cabinet and an outgoing line cabinet, and the low-voltage loop measurement and control terminal is installed on both the incoming line metering cabinet and the outgoing line cabinet.

6. An intelligent box-type substation according to claim 5, characterized in that the incoming line meter cabinet employs a frame breaker; the outgoing line cabinet adopts a molded case circuit breaker.

7. An intelligent box-type substation according to claim 5 or 6, characterized in that the low-voltage chamber is further provided with a compensation cabinet, and the compensation cabinet is provided with a reactive compensation monitoring device.

8. An intelligent substation according to claim 1, wherein the transformer state quantity sensors comprise dry transformer state quantity sensors adapted for dry transformers and oil transformer state quantity sensors adapted for oil transformers.

9. An intelligent box-type substation according to claim 1, characterized in that the low-pressure chamber is provided with a monitoring room, and the internet of things equipment is placed in the monitoring room.

10. An intelligent box substation according to claim 1, wherein the box body is provided with wheels.

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