CN217590363U

CN217590363U - Incoming line spare power automatic switching protection device without contact

Info

Publication number: CN217590363U
Application number: CN202221161957.0U
Authority: CN
Inventors: 陈仁义
Original assignee: Hangzhou Guorui Intelligent Equipment Co ltd
Current assignee: Hangzhou Guorui Intelligent Equipment Co ltd
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-10-14
Anticipated expiration: 2032-05-16

Abstract

The utility model belongs to the technical field of power equipment, especially, be an inlet wire of not taking contact is equipped with from switching protection device, including power cabinet, no. two power cabinets, power has an inlet wire to be equipped with from switching protection device for a power has, an inlet wire is equipped with from switching protection device and goes up the electrical connection and has a circuit breaker, no. two power have No. two inlet wires to be equipped with from switching protection device. The utility model discloses a service-inlet is equipped with hauls oneself willingly into protection device, can monitor whether normal operating of this circuit, when breaking down, at first break off the circuit breaker on this circuit, and open the circuit breaker on another circuit, make the power cabinet on another circuit can provide electric power to the main circuit, and then can realize the uninterrupted power supply of main circuit, the service-inlet in this circuit is equipped with hauls willingly into protection device and can open the siren simultaneously, overhaul the maintenance with the power cabinet on reminding timely this circuit of maintenance personal.

Description

Incoming line spare power automatic switching protection device without contact

Technical Field

The utility model relates to a power equipment technical field especially relates to an inlet wire spare power automatic switching protection device who does not take contact.

Background

In a power distribution network, in order to improve the power supply reliability to the maximum extent, a plurality of systems are designed with two power supply inlet wires, and the power supply reliability of a power supply source is ensured in a master-slave mode. In addition, more and more transformer substations realize unattended operation, and in order to enable incoming line power supply switching to be rapid and correct, a spare power automatic switching device is generally adopted. The standby power automatic switching device can monitor the state of the main incoming line power supply in real time, and when the main incoming line power supply is abnormal, the incoming line switch can be disconnected, and the standby power supply can be automatically switched in after a period of time delay; when the main power supply is recovered to be normal, the device can disconnect the standby power supply switch, and automatically recover the main power supply after a period of time delay, so that uninterrupted power supply of the system can be ensured by means of automatic switching of the standby power supply and automatic recovery of the main power supply.

At present, many power supply spare power automatic switching devices are only used as simple spare power automatic switching and automatic switching devices, and do not have the function of line protection, namely when the problems of overcurrent, overvoltage, overheating, instantaneous failure caused by fire and the like occur on a line, a main power supply cannot be timely disconnected, an alarm sound is generated to remind maintenance personnel to timely maintain, and a spare power supply is rapidly closed so as to ensure the uninterrupted power supply of a main circuit.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art, and provides an inlet wire spare power automatic switching protection device without contact.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a service entrance spare power automatic switching protection device who does not take liaison, includes power cabinet, no. two power cabinets, electric connection has inlet wire spare power automatic switching protection device No. one on the power cabinet, electric connection has the circuit breaker No. one on the inlet wire spare power automatic switching protection device, electric connection has inlet wire spare power automatic switching protection device No. two on the power cabinet No. two, electric connection has the circuit breaker No. two on the inlet wire spare power automatic switching protection device, electric connection has same main circuit on circuit breaker and the circuit breaker No. two, through inlet wire spare power automatic switching protection device, can monitor whether this circuit normally operates, when breaking down, at first break the circuit breaker on this circuit to open the circuit breaker on another circuit, make the power cabinet on another circuit can provide electric power to the main circuit, and then can realize the uninterrupted power supply of main circuit.

Preferably, the first inlet wire backup power automatic switching protection device and the second inlet wire backup power automatic switching protection device have the same structure and respectively comprise a processor, a current monitoring module and a voltage monitoring module, and the current monitoring module and the voltage monitoring module are electrically connected with the processor.

Preferably, the first incoming line spare power automatic switching protection device further comprises a smoke sensor and a temperature sensor, and the smoke sensor and the temperature sensor are both electrically connected with the processor.

Preferably, the first incoming line spare power automatic switching protection device further comprises an alarm, and the alarm is electrically connected with the processor.

Preferably, the first incoming line backup power automatic switching protection device further comprises a wireless sending module and a wireless receiving module, and the wireless sending module and the wireless receiving module are both electrically connected with the processor.

In the utility model, the incoming line spare power automatic switching protection device without contact can monitor whether the line normally runs or not through the incoming line spare power automatic switching protection device, when a fault occurs, firstly, the circuit breaker on the line is disconnected, and the circuit breaker on the other line is opened, so that the power cabinet on the other line can provide power for the main circuit, and further, the uninterrupted power supply of the main circuit can be realized;

in the utility model, the incoming line spare power automatic switching protection device without contact can turn on the alarm to remind maintenance personnel to repair and maintain the power cabinet on the line in time;

the utility model has the advantages of reasonable design, be equipped with haulage protection device fully through the inlet wire, can monitor whether normal operating of this circuit, when breaking down, at first break off the circuit breaker on this circuit, and open the circuit breaker on another circuit, make the power cabinet on another circuit can provide electric power to the main circuit, and then can realize the uninterrupted power supply of main circuit, the inlet wire haulage protection device fully in this circuit simultaneously can open the siren, overhaul the maintenance with the power cabinet on this circuit that reminds the maintainer timely.

Drawings

Fig. 1 is a schematic structural view of an incoming line backup automatic switching protection device without contact according to the present invention;

fig. 2 is a schematic structural diagram of a first inlet wire automatic backup power switching protection device of the inlet wire automatic backup power switching protection device without contact.

In the figure: 1. a first power cabinet; 2. a second power supply cabinet; 3. a first incoming line spare power automatic switching protection device; 4. a second incoming line spare power automatic switching protection device; 5. a first circuit breaker; 6. a second circuit breaker; 7. a main circuit; 8. a processor; 9. a current monitoring module; 10. a voltage monitoring module; 11. a temperature sensor; 12. a smoke sensor; 13. a wireless transmission module; 14. a wireless receiving module; 15. an alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, an inlet wire spare power automatic switching protection device without contact comprises a first power cabinet 1 and a second power cabinet 2, wherein the first power cabinet 1 is electrically connected with a first inlet wire spare power automatic switching protection device 3, the first inlet wire spare power automatic switching protection device 3 is electrically connected with a first circuit breaker 5, the second power cabinet 2 is electrically connected with a second inlet wire spare power automatic switching protection device 4, the second inlet wire spare power automatic switching protection device 4 is electrically connected with a second circuit breaker 6, and the first circuit breaker 5 and the second circuit breaker 6 are electrically connected with a same main circuit 7.

The utility model discloses in, inlet wire is equipped with hauls oneself willingly into protection device 3 and No. two inlet wires and hauls oneself willingly into protection device 4's structure the same fully, all includes treater 8, current monitoring module 9 and voltage monitoring module 10, and current monitoring module 9 and voltage monitoring module 10 all are electric connection with treater 8, through current monitoring module 9 and voltage monitoring module 10, can monitor the electric current and the voltage in the circuit.

The utility model discloses in, inlet wire is equipped with automatic switching protection device 3 and still includes smoke transducer 12 and temperature sensor 11, and smoke transducer 12 and temperature sensor 11 all are electric connection with treater 8, through smoke transducer 12 and temperature sensor 11, are convenient for monitor the smog and the temperature in the circuit.

The utility model discloses in, inlet wire is equipped with automatic switching protection device 3 and still includes siren 15, and siren 15 is electric connection with treater 8, is convenient for take place the alarm sound to the fault line to remind maintenance personal timely to overhaul maintenance cabinet 1.

The utility model discloses in, inlet wire is equipped with hauls oneself willingly into protection device 3 and still includes wireless sending module 13 and wireless receiving module 14, and wireless sending module 13 and wireless receiving module 14 all are electric connection with treater 8, through wireless sending module 13 and wireless receiving module 14, and the inlet wire of being convenient for is equipped with hauled willingly into protection device 3 and No. two inlet wires and is equipped with hauled willingly into the signal transmission between the protection device 4.

The utility model discloses in, at the during operation, the initial condition is that power cabinet 1 (main power supply) is in closing the position, no. two power cabinet 2 (stand-by power supply) switches are in the branch position, satisfy above condition 15S after, the device is charged, through current monitoring module 9, voltage monitoring module 10, smoke sensor 12 and temperature sensor 11' S setting, can be to the electric current of a power cabinet 1, voltage, temperature and smog are monitored, when current overload takes place, voltage overload, when high temperature or smog are too high, it has failed to explain No. one power cabinet 1, no. one inlet wire is equipped with the protection device 3 and starts the spare power supply automatic switching logic, no. one inlet wire is equipped with the circuit breaker 5 of breaking off at first in the protection device 3, and through wireless sending module 13, the signal takes place for No. two inlet wires and is equipped with the wireless receiving module 14 in the protection device 4, wireless receiving module 14 takes place the signal and gives No. two inlet wires and is equipped with the spare power supply automatic switching protection device 4 in the protection device 8 in No. two inlet wire, and open No. 7 spare power supply automatic switching protection device and can be connected with the main circuit breaker 6, the main circuit power supply can be realized the maintenance person of No. 2 and the main circuit breaker 3 and the maintenance cabinet and can be connected with No. 7 in time, the maintenance of No. 1 maintenance personnel.

Claims

1. The utility model provides a service entrance spare power automatic switching protection device who does not take liaison, includes power cabinet (1), no. two power cabinets (2), its characterized in that, the electrical connection has service entrance spare power automatic switching protection device (3) on power cabinet (1), the electrical connection has circuit breaker (5) on service entrance spare power automatic switching protection device (3), the electrical connection has No. two service entrance spare power automatic switching protection device (4) on No. two power cabinets (2), the electrical connection has circuit breaker (6) No. two on service entrance spare power automatic switching protection device (4), the electrical connection has same main circuit (7) on circuit breaker (5) and circuit breaker (6).

2. The inlet wire spare power automatic switching protection device without interconnection of claim 1, wherein the first inlet wire spare power automatic switching protection device (3) and the second inlet wire spare power automatic switching protection device (4) have the same structure and respectively comprise a processor (8), a current monitoring module (9) and a voltage monitoring module (10), and the current monitoring module (9) and the voltage monitoring module (10) are electrically connected with the processor (8).

3. The no-contact incoming line automatic backup protection device according to claim 2, characterized in that the no-contact incoming line automatic backup protection device (3) further comprises a smoke sensor (12) and a temperature sensor (11), and the smoke sensor (12) and the temperature sensor (11) are both electrically connected with the processor (8).

4. The no-contact incoming line automatic backup protection device according to claim 2, characterized in that the first incoming line automatic backup protection device (3) further comprises an alarm (15), and the alarm (15) is electrically connected with the processor (8).

5. The inlet wire spare power automatic switching protection device without contact as claimed in claim 2, wherein the first inlet wire spare power automatic switching protection device (3) further comprises a wireless transmitting module (13) and a wireless receiving module (14), and both the wireless transmitting module (13) and the wireless receiving module (14) are electrically connected with the processor (8).