CN212784893U

CN212784893U - Remote charge control automatic closing relay and system

Info

Publication number: CN212784893U
Application number: CN202021518022.4U
Authority: CN
Inventors: 王雄武
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-03-23
Anticipated expiration: 2030-07-28

Abstract

The utility model provides a remote charge control automatic closing relay and a system, relating to the technical field of electrical engineering, wherein, a long-range accuse automatic combined floodgate relay of spending, including pulse circular telegram controller, second auxiliary relay K2, third auxiliary relay K3, second auxiliary relay K2 is used for controlling the circular telegram of outside tripping device and outage, third auxiliary relay K3 is used for controlling the circular telegram of outside combined floodgate mechanism and outage, pulse circular telegram controller and second auxiliary relay K2 all are connected with external controller, external controller is used for controlling second auxiliary relay K2 and pulse circular telegram controller circular telegram, pulse circular telegram controller is used for controlling the coil circular telegram of third auxiliary relay K3 to outside combined floodgate mechanism and accomplishes the action, the utility model has the advantages of solve combined floodgate back combined floodgate mechanism long-term closure, cause combined floodgate coil circular telegram for a long time, reduce the electrical apparatus damage.

Description

Remote charge control automatic closing relay and system

Technical Field

The utility model relates to an electrical engineering technical field, concretely relates to long-range expense accuse automatic combined floodgate relay and system.

Background

With the development of the power industry in China, more and more power equipment is widely used. There are many electrical devices in an electrical power system, and they are generally classified into electrical primary devices and electrical secondary devices according to their roles in operation. Among them, the equipment directly participating in production, transformation, transmission, distribution and consumption of electric energy is called electric primary equipment, mainly including: equipment for the production and transformation of electrical energy, such as generators, motors, transformers, etc.; switching devices for switching on and off a circuit, such as current-carrying conductors and gas-insulated devices, for example, circuit breakers, disconnectors, contactors, fuses, etc. Such as bus bars, power cables, insulators, wall bushings and the like, for limiting over-currents or over-voltages, such as current-limiting reactors, lightning arresters and the like. Mutual inductor class equipment: the high voltage and the large current in the primary loop are reduced, and the high voltage and the large current are used for a measuring instrument and a relay protection device, such as a voltage transformer and a current transformer. In order to ensure the normal operation of the primary electrical equipment, the equipment for measuring, monitoring, controlling and adjusting the operation state thereof is called secondary electrical equipment, and mainly includes various measuring meters, various relay protection and automatic devices, direct-current power supply equipment and the like.

Referring to fig. 1, chinese patent No. CN206480581U discloses an automatic switching mechanism of a circuit breaker, which includes a housing and a switch lever disposed thereon, and further includes a connection terminal disposed in the housing and connected to a distributor, a controller connected to the connection terminal for outputting a switch signal according to the balance information of the current power line, a driving motor connected to the controller for rotating forward or backward to a preset position according to the output signal, and a linkage mechanism connected to an output end of the driving motor for pulling the switch lever to open or close the circuit breaker. Above-mentioned utility model discloses an automatic switching on and switching off mechanism controls driving motor's rotation when the charges of electricity balance through current power consumption circuit, and then through the switching on or the combined floodgate of link gear control switch driving lever. A control device of an automatic switching mechanism in the prior art includes a first intermediate relay K1, a group of normally open contacts of the first intermediate relay K1 receives a tripping mechanism (or a tripping circuit) of a control switch, and a group of normally closed contacts of the first intermediate relay K1 receives a switching mechanism (or a switching circuit) of the control switch. When the switch is pulled off, a coil of the first intermediate relay K1 is electrified, a normally open contact (closing action) of the first intermediate relay K1, namely a switch tripping mechanism is pressed down, and the controlled switch is tripped; the normally closed contact of the first intermediate relay K1 becomes a normally open point, receives a closing mechanism (disconnection does not act) of the controlled switch, and then the controlled switch trips. When the switch needs to be switched on, the coil of the first intermediate relay K1 is powered off, the normally open contact of the first intermediate relay K1 is disconnected, namely the switch tripping mechanism is disconnected, and tripping is relieved; and meanwhile, a normally closed contact of the first intermediate relay K1 is closed, and a closing mechanism of the control switch is received (not loosened). However, since the normally closed contact of the first intermediate relay K1 is closed for a long time, the coil of the closing mechanism is energized for a long time, and the coil of the closing mechanism is heated and burned out, so that the automatic closing function cannot be realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming among the prior art, provide a long-range expense accuse automatic combined floodgate relay and system, have and solve the combined floodgate back combined floodgate mechanism and close for a long time, cause combined floodgate coil long-term circular telegram, reduce the advantage of electrical apparatus damage.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a long-range expense accuse automatic closing relay, includes pulse circular telegram controller, second auxiliary relay K2, third auxiliary relay K3, second auxiliary relay K2 is used for controlling the circular telegram of outside tripping device and cuts off the power supply, third auxiliary relay K3 is used for controlling the circular telegram of outside closing device and cuts off the power supply, pulse circular telegram controller and second auxiliary relay K2 all are connected with external controller, and external controller is used for controlling second auxiliary relay K2 and the circular telegram of pulse circular telegram controller circular telegram, pulse circular telegram controller is used for controlling the coil circular telegram of third auxiliary relay K3 accomplishes the action to outside closing device.

The beneficial effects of the utility model are that, when needing to trip operation, external controller control second auxiliary relay K2's coil gets electric, and second auxiliary relay K2 controls outside tripping device and switches on, accomplishes the tripping operation. When the switching-on operation is needed, the external controller controls the pulse power-on controller to be powered on and controls the coil of the second intermediate relay K2 to be powered off, the pulse power-on controller controls the coil of the third intermediate relay K3 to be powered on after being powered on, and the third intermediate relay K3 controls the external switching-on mechanism to be powered on for a period of time to complete one-time switching-on operation.

Further, the pulse power-on controller comprises a single chip microcomputer and a pulse power-on control switch, the external controller is used for controlling the single chip microcomputer to be powered on, and the single chip microcomputer is used for outputting pulse signals to the pulse power-on control switch.

Adopt above-mentioned further scheme's beneficial effect is, when needing to close a floodgate operation, external controller control singlechip circular telegram, the coil outage of control second intermediate relay K2, output pulse signal to pulse circular telegram control switch after the singlechip gets to the electricity for pulse circular telegram control switch circular telegram a period of time, thereby make third intermediate relay K3's coil to get to the electricity a period of time, external switching-on mechanism circular telegram a period of time, accomplish a floodgate operation.

Further, the pulse power-on control switch is a transistor switch, the output end of the single chip microcomputer is electrically connected with the transistor switch, and the transistor switch is connected between an external power supply and a coil of the third intermediate relay K3 in series.

The beneficial effect who adopts above-mentioned further scheme is that, when needing to close a floodgate operation, external control ware control singlechip circular telegram, the coil outage of control second intermediate relay K2, output pulse signal to transistor switch after the singlechip gets to the electricity for transistor switch switches on a period of time, thereby makes third intermediate relay K3's coil get to the electricity a period of time, and external combined floodgate mechanism circular telegram a period of time accomplishes a floodgate operation.

Further, the normally open contact of the second intermediate relay K2 is connected in series between the external power source and the external trip mechanism, and the normally open contact of the third intermediate relay K3 is connected in series between the external power source and the external closing mechanism.

The beneficial effect who adopts above-mentioned further scheme is that, second intermediate relay K2's coil back that obtains electricity, and the normally open contact of second intermediate relay K2 moves as the closed condition, and the circular telegram of outside trip mechanism carries out tripping operation. After the coil of the third intermediate relay K3 is energized, the normally open contact of the third intermediate relay K3 is turned to a closed state, and the third intermediate relay K3 controls the external closing mechanism to be energized to perform closing operation.

A remote cost control automatic switching-on system comprises a cost control electric energy meter, a pulse power-on controller, a second intermediate relay K2 and a third intermediate relay K3, wherein the second intermediate relay K2 is used for controlling an external tripping mechanism to be powered on and off, the third intermediate relay K3 is used for controlling an external switching-on mechanism to be powered on and off, the pulse power-on controller and the second intermediate relay K2 are both connected with the cost control electric energy meter, a normally open contact of the cost control electric energy meter is connected between a coil of the second intermediate relay K2 and an external power supply in series, a normally closed contact of the cost control electric energy meter is connected between the pulse power-on controller and the external power supply in series, and the pulse power-on controller is used for controlling a coil of the third intermediate relay K3 to be powered on to the external switching-on mechanism to complete actions.

The beneficial effects of the utility model are that, when needing to trip operation, the normally open contact of taking accuse electric energy meter is in closed condition, normally closed contact is in the off-state for second auxiliary relay K2's coil gets electric, and second auxiliary relay K2 controls outside tripping operation mechanism circular telegram, accomplishes the tripping operation. When the switching-on operation is needed, the normally closed contact of the fee-control electric energy meter is in a closed state, the normally open contact of the fee-control electric energy meter is in an open state, the pulse power-on controller is powered on, the coil of the third intermediate relay K3 is controlled to be powered on after the pulse power-on controller is powered on, and the third intermediate relay K3 controls the external switching-on mechanism to be powered on for a period of time to complete one-time switching-on operation.

Further, the pulse power-on controller comprises a single chip microcomputer and a pulse power-on control switch, a normally closed contact of the fee control electric energy meter is connected between the single chip microcomputer and an external power supply in series, and the single chip microcomputer is used for outputting a pulse signal to the pulse power-on control switch.

The technical scheme has the advantages that when the switching-on operation is needed, the normally closed contact of the cost control electric energy meter is in a closed state, the single chip microcomputer outputs a pulse signal to the pulse power-on control switch after being powered on, the pulse power-on control switch is powered on for a period of time, a coil of the third intermediate relay K3 is powered on for a period of time, and the external switching-on mechanism is powered on for a period of time, so that one switching-on operation is completed.

The beneficial effect of adopting above-mentioned further scheme is that, when needing to close a floodgate operation, the normally closed contact of taking accuse electric energy meter is in the closed condition, and output pulse signal to transistor switch after the singlechip got the electricity for transistor switch switches on a period of time, thereby makes the coil of third intermediate relay K3 get the electricity a period of time, and outside combined floodgate mechanism circular telegram a period of time accomplishes a floodgate operation.

Drawings

Fig. 1 is a schematic view of an automatic opening and closing mechanism of a circuit breaker according to the prior art;

fig. 2 is a schematic circuit diagram of a remote fee-controlled automatic closing relay according to embodiment 1 of the present invention;

fig. 3 is a schematic circuit diagram of an automatic remote fee-control switching-on system according to embodiment 2 of the present invention.

Detailed Description

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.

Example 1

Referring to fig. 2, the remote fee-controlled automatic closing relay includes a pulse energization controller, a second intermediate relay K2, and a third intermediate relay K3. The normally open contact of the second intermediate relay K2 is connected in series between the external power source and the external trip mechanism, and the normally open contact of the third intermediate relay K3 is connected in series between the external power source and the external closing mechanism. After the coil of the second intermediate relay K2 is energized, the normally open contact of the second intermediate relay K2 is operated as a closed state, and the external trip mechanism is energized to perform a trip operation. After the coil of the third intermediate relay K3 is energized, the normally open contact of the third intermediate relay K3 is turned to a closed state, and the third intermediate relay K3 controls the external closing mechanism to be energized to perform closing operation. The pulse power-on controller and the second intermediate relay K2 are both connected with an external controller, the external controller is used for controlling the second intermediate relay K2 and the pulse power-on controller to be powered on, and the pulse power-on controller is used for controlling the coil of the third intermediate relay K3 to be powered on to the external closing mechanism to complete actions.

It should be noted that, in this embodiment, the external controller may be a Central Processing Unit (CPU), or may be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field-Programmable Gate arrays (FPGAs) or other Programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like.

Referring to fig. 2, the pulse power-on controller includes a single chip microcomputer and a pulse power-on control switch, the external controller is used for controlling the power-on of the single chip microcomputer, and the single chip microcomputer is used for outputting a pulse signal to the pulse power-on control switch. It should be noted that, in the present embodiment, the pulse energization control switch is a triode switch, and in another embodiment, the pulse energization control switch may also be another transistor switch. The output end of the singlechip is electrically connected with a triode switch which is connected in series between an external power supply and a coil of the third intermediate relay K3.

Specifically, when the switching-on operation needs to be carried out, the external controller controls the single chip microcomputer to be powered on and controls the coil of the second intermediate relay K2 to be powered off, the single chip microcomputer outputs a pulse signal to the transistor switch after being powered on, the transistor switch is conducted for a period of time, the coil of the third intermediate relay K3 is powered on for 2-3S, and the external switching-on mechanism is powered on to complete one switching-on operation.

The specific implementation manner of this embodiment is: when the tripping operation is needed, the external controller controls the coil of the second intermediate relay K2 to be electrified, and the second intermediate relay K2 controls the external tripping mechanism to be electrified to complete the tripping operation. When the switching-on operation is needed, the external controller controls the single chip microcomputer to be powered on and controls the coil of the second intermediate relay K2 to be powered off, the single chip microcomputer outputs a pulse signal to the transistor switch after being powered on, the transistor switch is conducted for a period of time, the coil of the third intermediate relay K3 is powered on for 2-3S, and the external switching-on mechanism is powered on to complete one switching-on operation.

Example 2

Referring to fig. 3, the remote fee-controlled automatic closing system includes a fee-controlled electric energy meter, a pulse energization controller, a second intermediate relay K2, and a third intermediate relay K3. The normally open contact of second intermediate relay K2 establishes ties between external power source and outside tripping device, and the normally open contact of third intermediate relay K3 establishes ties between external power source and outside combined floodgate mechanism, and after second intermediate relay K2's coil got electric, the normally open contact of second intermediate relay K2 moved as closed state, and outside tripping device switched on, carries out tripping operation. After the coil of the third intermediate relay K3 is energized, the normally open contact of the third intermediate relay K3 is turned to a closed state, and the third intermediate relay K3 controls the external closing mechanism to be energized to perform closing operation. The pulse power-on controller and the second intermediate relay K2 are both connected with the fee control electric energy meter, a normally open contact of the fee control electric energy meter is connected between a coil of the second intermediate relay K2 and an external power supply in series, a normally closed contact of the fee control electric energy meter is connected between the pulse power-on controller and the external power supply in series, and the pulse power-on controller is used for controlling the coil of the third intermediate relay K3 to be powered on to an external closing mechanism to complete actions.

It should be noted that the fee-controlled electric energy meter is an intelligent single meter which has the functions of electric energy metering, fee-controlled charging, electric quantity freezing, balance alarming and the like, and can realize remote automatic acquisition of electric quantity information data, and the details are not repeated for the prior art.

Referring to fig. 3, the pulse power-on controller includes a single chip microcomputer and a pulse power-on control switch, a normally closed contact of the fee-control electric energy meter is connected in series between the single chip microcomputer and an external power supply, and the single chip microcomputer is used for outputting a pulse signal to the pulse power-on control switch. The singlechip is used for outputting a pulse signal to the pulse power-on control switch. It should be noted that, in the present embodiment, the pulse energization control switch is a triode switch, and in another embodiment, the pulse energization control switch may also be another transistor switch. The output end of the singlechip is electrically connected with a triode switch which is connected in series between an external power supply and a coil of the third intermediate relay K3.

Specifically, when the switching-on operation is required, the normally closed contact of the cost control electric energy meter is in a closed state, the single chip microcomputer outputs a pulse signal to the transistor switch after being electrified, the transistor switch is conducted for a period of time, the coil of the third intermediate relay K3 is electrified for 2-3S, and the external switching-on mechanism is electrified for a period of time to complete one switching-on operation.

The specific implementation manner of this embodiment is: when the tripping operation is needed, the normally open contact of the fee control electric energy meter is in a closed state, and the normally closed contact is in an open state, so that the coil of the second intermediate relay K2 is electrified, and the second intermediate relay K2 controls the external tripping mechanism to be electrified, thereby completing the tripping operation. When the switching-on operation is needed, the normally closed contact of the fee-control electric energy meter is in a closed state, the normally open contact of the fee-control electric energy meter is in an open state, the singlechip outputs a pulse signal to the transistor switch after being electrified, so that the transistor switch is conducted for a period of time, a coil of the third intermediate relay K3 is electrified for 2-3S, and the external switching-on mechanism is electrified for a period of time, so that the primary switching-on operation is completed.

The foregoing is merely a preferred embodiment of the invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the invention as expressed in the above teachings or as known to the person skilled in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a long-range expense accuse automatic closing relay, its characterized in that includes pulse circular telegram controller, second auxiliary relay K2, third auxiliary relay K3, second auxiliary relay K2 is used for controlling the circular telegram of outside trip mechanism and cuts off the power supply, third auxiliary relay K3 is used for controlling the circular telegram of outside closing mechanism and cuts off the power supply, pulse circular telegram controller and second auxiliary relay K2 all are connected with the external control ware, and the external control ware is used for controlling second auxiliary relay K2 and the circular telegram of pulse circular telegram controller circular telegram, pulse circular telegram controller is used for controlling third auxiliary relay K3's coil circular telegram to outside closing mechanism accomplishes the action.

2. The remote fee-controlled automatic closing relay according to claim 1, wherein the pulse power-on controller comprises a single chip microcomputer and a pulse power-on control switch, the external controller is used for controlling the single chip microcomputer to be powered on, and the single chip microcomputer is used for outputting a pulse signal to the pulse power-on control switch.

3. The remote fee-controlled automatic closing relay according to claim 2, wherein the pulse power-on control switch is a transistor switch, the output end of the single chip microcomputer is electrically connected with the transistor switch, and the transistor switch is connected in series between an external power supply and a coil of a third intermediate relay K3.

4. The remote fee-controlled automatic closing relay according to any one of claims 1 to 3, wherein the normally open contact of the second intermediate relay K2 is connected in series between the external power source and the external tripping mechanism, and the normally open contact of the third intermediate relay K3 is connected in series between the external power source and the external closing mechanism.

5. The remote cost control automatic switching-on system is characterized by comprising a cost control electric energy meter, a pulse power-on controller, a second intermediate relay K2 and a third intermediate relay K3, wherein the second intermediate relay K2 is used for controlling an external tripping mechanism to be powered on and off, the third intermediate relay K3 is used for controlling an external switching-on mechanism to be powered on and off, the pulse power-on controller and the second intermediate relay K2 are both connected with the cost control electric energy meter, a normally open contact of the cost control electric energy meter is connected between a coil of the second intermediate relay K2 and an external power supply in series, a normally closed contact of the cost control electric energy meter is connected between the pulse power-on controller and the external power supply in series, and the pulse power-on controller is used for controlling the coil of the third intermediate relay K3 to be powered on to the external switching-on mechanism to complete actions.

6. The remote fee-control automatic switching-on system as claimed in claim 5, wherein the pulse power-on controller comprises a single chip microcomputer and a pulse power-on control switch, the normally closed contact of the fee-control electric energy meter is connected in series between the single chip microcomputer and an external power supply, and the single chip microcomputer is used for outputting a pulse signal to the pulse power-on control switch.

7. The remote fee-controlled automatic closing system as claimed in claim 6, wherein the pulse power-on control switch is a transistor switch, the output end of the single chip microcomputer is electrically connected with the transistor switch, and the transistor switch is connected in series between an external power supply and a coil of a third intermediate relay K3.

8. The remote fee-controlled automatic closing system as claimed in any one of claims 5 to 7, wherein the normally open contact of the second intermediate relay K2 is connected in series between the external power source and the external tripping mechanism, and the normally open contact of the third intermediate relay K3 is connected in series between the external power source and the external closing mechanism.