CN216436621U - Integrated intelligent ring main unit - Google Patents

Abstract

The utility model discloses an integration intelligence looped netowrk cabinet, the intelligent cabinet temperature adjusting device comprises a cabinet body, the cabinet body divide into the data collection room, the instrument room, bus-bar room and cable chamber, the cable chamber is provided with output power supply's cable, the bus-bar room is provided with the cover and establishes the bus-bar mutual-inductor and the phase selection switch of the indoor input bus of generating line, intelligence looped netowrk cabinet still collects the unit including setting up the data in the data collection room, the data collect the unit include the main control board and with the antenna of main control board electric connection, the phase selection switch is embedded to have the singlechip of the information of accepting bus-bar mutual-inductor, the phase selection switch is still including the on-off switch and the discharge circuit who is used for the switching power supply. The phase selection switch is used for replacing a compound switch in the existing ring main unit, on the basis of keeping the original low power consumption, a vulnerable silicon controlled element is abandoned, and the phase selection precision is improved to achieve inrush current-free switching.

Description

Integrated intelligent ring main unit

Technical Field

The utility model relates to a power equipment field especially relates to an intelligent looped netowrk cabinet of integration.

Background

In the power equipment, the ring main unit is used as a power equipment for supplying power to the transformer, and plays a role in bearing an important load distribution function in a cable line. The ring main unit is an electrical device with a group of high-voltage switch devices arranged in a steel plate metal main unit body or made into an assembled interval ring main unit, and the core part of the ring main unit adopts a load switch and a fuse, so that the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like.

As mentioned above, the ring main unit plays an important role in the power system, and the internal core part of the ring main unit adopts the load switch to switch the power supply and the fuse to protect the equipment line, with the continuous development of the power technology, nowadays, the load switch in the ring main unit is replaced by the compound switch, the compound switch connects the high voltage-resistant high-current thyristor and the contact of the magnetic latching relay in parallel, through the control of the microcomputer, the optimal input point and the optimal cut-off point are automatically searched, the voltage zero-crossing input and the current zero-crossing cut-off are realized, the on-off moment is completed by the thyristor, and the running through-current is completed by the magnetic latching relay through the actuation of the contact through the pulse voltage.

The compound switch selects the thyristor switch and the magnetic latching switch to run in parallel, has the advantage of silicon controlled zero-crossing switching at the moment of switching on and off, and has the advantage of zero power consumption of the magnetic latching switch during the normal switching-on period. The composite switch has the obvious advantages of low impact, low power consumption and the like, can replace a contactor or a thyristor switch, and is widely applied to the field of low-voltage reactive power compensation. However, the thyristor used by the compound switch is easy to damage, once damaged, although the characteristics of the ring main unit can ensure continuous current output, the equipment must be maintained again, and the selection precision is between 2-5 degrees electrical angle, so that no inrush current can be truly realized, and the internal electrical elements are impacted.

SUMMERY OF THE UTILITY MODEL

To the above defect of prior art or improve in the demand one or more, the utility model provides an integration intelligence looped netowrk cabinet realizes not having the problem of gushing current, zero passage switching and giving up silicon controlled rectifier and avoiding this type of component to have damaged on the basis of guaranteeing original low-power consumption, and dispose corresponding monitoring system come with wireless transmission system, realize the real-time supervision of cell-phone end, computer end.

In order to realize the above-mentioned purpose, the utility model provides an integration intelligence looped netowrk cabinet, the intelligent looped netowrk cabinet comprises a cabinet body, the cabinet body divide into data collection room, instrument room, generating line room and cable chamber, the cable chamber is provided with output power supply's cable, the generating line room is provided with the cover and establishes the generating line mutual-inductor and the phase selection switch of the indoor input generating line of generating line, intelligence looped netowrk cabinet still including set up in the indoor data of data collection collect the unit, the data collect the unit include the main control board and with the antenna that the main control board electricity is connected, the phase selection switch is embedded to have and is accepted the singlechip of generating line mutual-inductor's information, the phase selection switch still includes the fling-cut switch and the discharge circuit that are used for switching power supply.

As a further improvement of the utility model, a control program is embedded in the single chip microcomputer.

As a further improvement of the utility model, the main control board is connected with the monitoring unit through the cable.

As a further improvement, the monitoring unit includes the monitoring sensor subassembly that sets up in instrument room, generating line room and cable chamber, the monitoring sensor subassembly includes temperature sensor, humidity transducer, smoke transducer and camera.

As a further improvement of the utility model, the bus mutual inductor is a current transformer.

As a further improvement of the present invention, the antenna includes a 5G antenna.

As a further improvement, the integrated intelligent ring main unit further comprises a backup power supply for supplying power to the main control board.

As a further improvement of the utility model, the instrument room comprises an ammeter.

The above-described improved technical features may be combined with each other as long as they do not conflict with each other.

Generally, through the utility model discloses above technical scheme who conceives compares with prior art, has following beneficial effect:

(1) the utility model discloses an integration intelligence looped netowrk cabinet replaces current blend switch with the phase selection switch, and the embedded singlechip that has set up the procedure for collect the information that the mutual-inductor transmitted, replace the function of original fragile silicon controlled element, make equipment more stable.

(2) The phase selection precision is from 2-5 electrical degrees of the compound switch to 1-3 electrical degrees, and inrush current-free and zero-crossing switching is achieved in the real sense.

(3) The discharge circuit additionally arranged on the phase selection switch effectively inhibits transient overvoltage when the capacitor switching switch is switched on and switched off, and the overvoltage is limited in a safety area, so that the enterprise can be helped to save electricity charge expense and indirectly reduce the operation cost of the enterprise; the service life of the equipment is prolonged, and the later maintenance cost of the equipment is saved.

Drawings

Fig. 1 is a schematic diagram of the internal structure of the integrated intelligent ring main unit;

FIG. 2 is a schematic structural diagram of an integrated phase selection switch;

fig. 3 is a perspective view of the integrated intelligent ring main unit.

In all the figures, the same reference numerals denote the same features, in particular: 1. a cabinet body; 2. a data collection room; 3. an instrument room; 4. a bus chamber; 5. a cable chamber; 20. a data collection unit; 40. a phase selection switch; 41. inputting a bus; 50. an output cable; 200. a main control board; 201. an antenna; 400. a discharge loop; 401, switching a switch; 402. a single chip microcomputer; 410. a bus transformer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

The utility model discloses integrated intelligent looped netowrk cabinet in preferred embodiment includes cabinet body 1, and cabinet body 1 divide into data collection room 2, instrument room 3, bus-bar room 4 and cable chamber 5, the cable chamber is provided with output power's cable, and bus-bar room 4 is provided with the cover and establishes bus-bar mutual-inductor 410 and the phase selection switch 40 of the indoor input bus-bar of bus-bar, and intelligent looped netowrk cabinet still includes the data collection unit 20 that sets up in data collection room 2, and data collection unit 20 includes main control board 200 and the antenna 201 of being connected with the main control board electricity, phase selection switch 40 is embedded to have the singlechip 402 of accepting the information of bus-bar mutual-inductor 410;

the phase selection switch 40 further includes a switch 401 for switching the power supply and a discharge circuit 400.

The cabinet body 1 is divided into an indoor structure and an outdoor structure according to a use environment, and can be made of metal or nonmetal materials, the inside of the cabinet body is divided into a data collection chamber 2, an instrument chamber 3, a bus chamber 4 and a cable chamber 5 by partition plates, wherein a data collection unit 20 is arranged in the data collection chamber 2, and the data collection unit 20 comprises a main control board 200 and an antenna 201 electrically connected with the main control board. An input bus 41, a bus transformer 410 sleeved on the input bus, and a phase selection switch 40 are arranged in the bus chamber 4, a single chip microcomputer 402 with a written program is embedded in the phase selection switch 40, and the bus chamber further comprises a discharge loop 400 and a switching switch 401. When the power supply is required to be switched, the phase selection switch 40 transmits information through the bus mutual inductor 41, the switching of the power supply is realized with higher precision, the current is switched without inrush current, the information is output to other electric equipment through an output power supply cable 50 arranged in the cable chamber 5, the phase selection precision is generally improved to a power angle of 1-3 degrees, a discharge loop 400 is embedded in the phase selection switch 40, the overvoltage when the capacitor switching switch 401 is switched off is effectively inhibited, the overvoltage is limited in a safety area, and the electric charge of an enterprise can be saved, and the enterprise operation cost is indirectly reduced; the service life of the equipment is prolonged, and the later maintenance cost of the equipment is saved.

Further, in the preferred embodiment, a control program is embedded in the single chip microcomputer 402. The damaged thyristor in the original compound switch is replaced by the efficient calculation program matched with the high-precision sampling loop, so that the equipment is more stable and reliable.

Further, in a preferred embodiment, the main control board is connected with a monitoring unit through a cable. The monitoring unit is designed to monitor the emergency situation in the whole cabinet 1 and transmit the signal to the main control board 200.

Further, the monitoring unit in the preferred embodiment comprises monitoring sensor components arranged in the instrument room 3, the bus bar room 4 and the cable room 5, wherein the monitoring sensor components comprise a temperature sensor, a humidity sensor, a smoke sensor and a camera. A whole set of monitoring sensor subassembly all forms a complete set of independent one set of arranging in instrument room 3, bus-bar room 4 and cable chamber 5 respectively to with signal transmission to main control board 200, and with the proruption fault situation through antenna 201 send to the customer end and be used for the control. The method has the advantages that the internal environment can be monitored, the generation reason of the burst problem can be judged, and the timely processing capability can be improved.

Further, in the preferred embodiment, the bus transformer 41 is a current transformer. In order to ensure the necessity of no inrush current in the later switching, the collected signals are required to be current signals, so that the current transformer is selected most suitably.

Furthermore, the antenna 201 in the preferred embodiment is a 5G signal antenna, which is suitable for the current social development, realizes faster and more efficient transmission, and is matched with a 5G mobile phone client for monitoring.

Further, the main control board 200 in the preferred embodiment includes a backup power source, which is intended to be the most critical component for data collection, and to ensure that the condition of the whole device can be collected and monitored in case of emergency.

Further, instrument room 3 is including being provided with the ampere meter in the preferred embodiment, with current transformer's information transmission to the ampere meter on, the current magnitude is seen out directly perceivedly, makes things convenient for the maintainer to maintain.

It will be understood by those skilled in the art that the foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. The integrated intelligent ring main unit comprises a main unit body and is characterized in that the main unit body is divided into a data collection chamber, an instrument chamber, a bus chamber and a cable chamber, the cable chamber is provided with a cable for outputting a power supply, the bus chamber is provided with a bus transformer and a phase selection switch, the bus transformer and the phase selection switch are sleeved in an input bus in the bus chamber, the intelligent ring main unit further comprises a data collection unit arranged in the data collection chamber, the data collection unit comprises a main control board and an antenna electrically connected with the main control board, and a single chip microcomputer for receiving information of the bus transformer is embedded in the phase selection switch;

the phase selection switch also comprises a switching switch for switching a power supply and a discharging loop.

2. The intelligent ring main unit of claim 1, wherein the single chip microcomputer is embedded with a control program.

3. The integrated intelligent ring main unit as claimed in claim 1, wherein the main control board is connected with a monitoring unit through a cable.

4. The intelligent ring main unit as claimed in claim 3, wherein the monitoring unit comprises monitoring sensor components disposed in an instrument room, a bus room and a cable room, and the monitoring sensor components comprise a temperature sensor, a humidity sensor, a smoke sensor and a camera.

5. The integrated intelligent ring main unit as claimed in claim 1, wherein the bus transformer is a current transformer.

6. The intelligent ring main unit of claim 1, wherein the antenna comprises a 5G antenna.

7. The intelligent ring main unit as claimed in claim 1, wherein the intelligent ring main unit further comprises a backup power supply for supplying power to the main control board.

8. The integrated intelligent ring main unit as recited in claim 1, wherein the instrument room comprises an ammeter.

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