CN202004339U - Intelligent integrated distribution box - Google Patents

Abstract

The utility model discloses an intelligent integrated power distribution box, which belongs to the field of electric equipment automation devices, and mainly includes a box body and several functional parts inside, and several functional module areas are divided inside the box body. The functional module area includes metering Room, capacitance compensation room, incoming line isolating switch room, outgoing line leakage switch room, transformer room, which are equipped with carrier meter reading concentrator, multi-functional electric meter, power distribution measurement and control terminal, intelligent composite switch, reactive power compensation capacitor, compensation support Road molded case switch, incoming line isolating switch, outgoing line leakage switch, etc., multi-functional electric meter, carrier meter reading concentrator and power distribution measurement and control terminal are all equipped with RS232 and RS485 communication interfaces. The utility model provides a fully functional and reliable performance , high-precision integrated power distribution device, which can provide professional analysis of power distribution automation systems for power companies, and improve the economy and safety of power grid operation from the perspective of technology and management.

Description

Intelligent integrated distribution box

technical field

The utility model relates to an automatic device for electric power equipment, in particular to an intelligent and comprehensive distribution box in a distribution transformer area.

Background technique

Distribution transformers are power equipment that directly distribute electric energy to low-voltage users, and their operating data are an important part of the basic data of the entire power distribution network. With the continuous improvement of industrial automation level, enterprises have higher and higher requirements for power supply quality (such as voltage qualification rate, frequency, etc.) There must be a scientific basis for daily planning work such as installation, new user connection, system capacity increase, and transformer layout. For the production department of the power supply company, the safety of equipment is the focus of attention. The above points are closely related to the reliable operation of distribution transformers, so it is necessary to monitor the operating status of power grid distribution transformers.

At present, the device for monitoring the operation status of power grid distribution transformers generally uses an intelligent integrated distribution box with various functional components installed in the box. However, most of the current intelligent integrated distribution boxes have the following deficiencies: 1. The function is not complete: some only have detection function; some have control function, but the function is single; second, poor precision and low automation level; Communication is difficult.

Utility model content

The purpose of the invention of the utility model is to provide an intelligent integrated distribution box with complete functions, reliable performance and high precision in view of the above existing problems.

The technical scheme adopted by the utility model is as follows: an intelligent integrated distribution box, including a box body and a wire inlet hole on the box body, the box body is divided into several functional module areas, and the functional module areas include a metering room, a capacitor Compensation room, incoming line isolation switch room, outgoing line leakage switch room, and transformer room, wherein, the metering room is equipped with a carrier meter reading concentrator and a multi-functional electric meter; the capacitance compensation room is equipped with a power distribution measurement and control terminal, an intelligent composite Switches, reactive power compensation capacitors and compensation branch molded case switches; the incoming line isolating switch is installed in the incoming line isolating switch room, the outgoing line leakage switch is installed in the outgoing line leakage switch room; the transformer is installed in the transformer room.

As a preference: the multi-functional electric meter is provided with RS232 and RS485 communication interfaces.

Further: the carrier meter reading concentrator is provided with RS232 and RS485 communication interfaces.

Further: the power distribution measurement and control terminal is provided with RS232 and RS485 communication interfaces.

All of the above interfaces can be electrically connected through data lines.

As a preference: the box is made of stainless steel or SMC.

As a preference: movable support bars are arranged in the box.

As a preference: the box is provided with shutters.

The utility model provides a comprehensive power distribution device with complete functions, reliable performance and high precision. Among them, the distribution measurement and control terminal can automatically collect, monitor, count and store the operation data of distribution transformers, and provide professional analysis work (such as load forecasting, voltage pass rate statistics, power supply reliability statistics, line loss Analysis, etc.) to provide relevant data, and then improve the economy and safety of power grid operation from the perspective of technology and management; secondly, the power distribution measurement and control terminal adopts the optimal solution, controls the switching of reactive capacitor banks on site, and maintains the system locally The reactive power balance can improve the power factor of the distribution transformer and reduce the line loss; the setting of the switch of the distribution incoming and outgoing lines can effectively prevent electricity theft, distribute electric energy reasonably, facilitate operation and maintenance, and can be quickly cut off when a branch circuit fails, without Affect the overall power supply; the carrier meter reading concentrator mainly collects the electric energy of the next-level users through the form of low-voltage carrier, and uploads the collected multi-point electric energy signals to the data center through the GPRS/CDMA data channel.

In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

1. Automatically collect, monitor, count and store the operation data of distribution transformers, and provide relevant information for the professional analysis work (such as load forecasting, voltage pass rate statistics, power supply reliability statistics, line loss analysis, etc.) Data, and then improve the economy and safety of power grid operation from the perspective of technology and management;

2. The advanced reactive power compensation function is suitable for the implementation and transformation of distribution automation in various urban power grids, rural power grids, and enterprise power grids, and completes the distribution transformers in indoor and outdoor substations, power distribution rooms, box-type substations and other places. Automatic functions such as power compensation control

3. Carrier centralized meter reading, multi-user electricity collection and can cooperate with communication system to form distribution automation and remote centralized meter reading system, which is the first choice for power distribution network management

4. Advanced power distribution incoming and outgoing switch, a switch with obvious disconnection point is installed on the incoming line side, which is very convenient for installation and maintenance, and it is convenient to quickly determine fault points such as power outages and short circuits, which facilitates automatic fault isolation, improves troubleshooting efficiency, and shortens The time of power outage can directly reduce the economic loss caused by power outage due to failure.

5. Unique box design, each reactive power compensation distribution box reserves movable support bars for installation and replacement of accessories. The distribution box shell is made of 2mm thick stainless steel plate, or SMC box body The form is waterproof, anti-stealing, anti-small animals, and ventilated. The box has obvious heat dissipation measures (such as opening shutters, etc.). The overall size design of the intelligent intelligent integrated distribution box is reasonable and compact, and the appearance is beautiful and generous.

Description of drawings

Fig. 1 is the front view of the utility model embodiment 1;

Fig. 2 is the rear view of the utility model embodiment 1;

Fig. 3 is a side view of Embodiment 1 of the utility model.

Marks in the figure: 1 is the power distribution measurement and control terminal, 2 is the intelligent composite switch, 3 is the reactive power compensation capacitor, 4 is the plastic case switch of the compensation branch, 5 is the incoming line isolating switch, 6 is the incoming line hole, 7 is the carrier copy Meter concentrator, 8 is a multi-function electric meter, 9 is an outlet leakage switch, 10 is a box, 11 is a metering room, 12 is a capacitance compensation room, 13 is an incoming line isolating switch room, 14 is an outgoing line leakage switch room, and 15 is a mutual inductance appliance room.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in detail.

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Example 1

As shown in Figure 1-3, an intelligent integrated distribution box includes a box body 10 and an inlet hole 6. The box body 10 is formed by bending a 2mm thick stainless steel plate. The box body 10 is divided into several functional module areas. The functional module area includes a metering room 11, a capacitance compensation room 12, an incoming line isolating switch room 13, an outgoing line leakage switch room 14, and a transformer room 15;

Wherein, the metering room 11 is located at the lower left part of the box body 10, and the carrier meter reading concentrator 7 and the multi-function electric meter 8 are installed in the metering room 11; There are power distribution measurement and control terminal 1, intelligent composite switch 2, reactive power compensation capacitor 3 and compensation branch plastic case switch 4, power distribution measurement and control terminal 1 adopts xyTTU type, intelligent composite switch 2 adopts xyFK type, and reactive power compensation capacitor 3 adopts xyBJMK Model: Incoming line isolating switch room 13 is located in the left half of box body 10, and incoming line isolating switch room 13 is installed with incoming line isolating switch 5; An outlet leakage switch 9 is installed; a transformer is installed in the transformer chamber 15, the wire inlet 6 is arranged on the left upper part of the box body 10, and shutters are also arranged on the box body 10 for heat dissipation, and the box body 10 is preset with The movable branch, the multifunctional electric meter 8 is provided with RS232 and RS485 communication interfaces, the carrier meter reading concentrator 7 is provided with RS232 and RS485 communication interfaces, and the power distribution measurement and control terminal 1 is provided with RS232 and RS485 communication interfaces.

Example 2

The box body 10 adopts the SMC box body, and the others are the same as the embodiment 1.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (7)

1. intelligent comprehensive distribution box, comprise the entrance hole on casing and the casing, it is characterized in that: be divided into several functional module zones in the casing, described functional module zone comprises measuring room, capacitance compensation chamber, inlet wire isolating switch chamber, outlet leakage switch chamber, instrument transformer chamber, wherein, in the described measuring room carrier meter reading concentrator and multifunction electric meter are installed; Indoor distribution testing control terminal, intelligent compound switch, reactive-load compensation capacitor and the compensation branch road of being equipped with of described capacitance compensation moulded the shell switch; The indoor inlet wire isolating switch that is equipped with of described inlet wire isolating switch, the indoor outlet leakage switch that is equipped with of described outlet leakage switch; The indoor instrument transformer that is equipped with of described instrument transformer.

2. intelligent comprehensive distribution box according to claim 1 is characterized in that: described multifunction electric meter is provided with RS232 and RS485 communication interface.

3. intelligent comprehensive distribution box according to claim 2 is characterized in that: described carrier meter reading concentrator is provided with RS232 and RS485 communication interface.

4. intelligent comprehensive distribution box according to claim 3 is characterized in that: described distribution testing control terminal is provided with RS232 and RS485 communication interface.

5. intelligent comprehensive distribution box according to claim 1 is characterized in that: described casing adopts stainless steel or SMC casing.

6. intelligent comprehensive distribution box according to claim 1 is characterized in that: be provided with movable lattice framing in the described casing.

7. intelligent comprehensive distribution box according to claim 1 is characterized in that: described casing is provided with shutter.

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