CN218158786U

CN218158786U - Water pump starting control system

Info

Publication number: CN218158786U
Application number: CN202222200892.2U
Authority: CN
Inventors: 魏阳; 齐刚; 李志锋
Original assignee: Huaneng Yushe Power Generation Co ltd
Current assignee: Huaneng Yushe Power Generation Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-12-27
Anticipated expiration: 2032-08-19

Abstract

The utility model relates to a water pump control technical field specifically discloses a water pump start control system, include the three circuits that link to each other with the water pump motor, be equipped with control circuit on the three circuits, it has three circuits of control to open and closed control assembly to establish ties in the control circuit, and control assembly includes starting switch and stop switch, and starting switch includes remote start and starts on the spot, and remote start is parallelly connected with the start on the spot, and stop switch includes remote stop and stops on the spot, and remote stop is parallelly connected with the stop on the spot, the utility model aims to solve traditional water pump start control system and easily miss in the use and touch the equipment switch, cause the problem of water pump motor stop work.

Description

Water pump starting control system

Technical Field

The application relates to the technical field of water pump control, and particularly discloses a water pump starting control system.

Background

At present, the traditional single-contactor control principle is adopted for starting a water source well water pump of a power plant, the control mode adopts a remote control mode and a local control mode, the remote control mode is mainly used in daily operation, in the using process, a worker often mistakenly touches an equipment switch to cause the stop work of a water pump motor, the remote control fails, the human resource cost is consumed to troubleshoot faults, and the economic loss caused by the stop work of the water pump motor is borne.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve traditional water pump start control system and miss easily in the use and touch equipment switch, cause the problem of water pump motor stop work easily.

In order to achieve the above object, the present invention provides the following basic scheme:

a water pump starting control system comprises three circuits connected with a water pump motor, wherein a control loop is arranged on the three circuits, a control assembly for controlling the opening and closing of the three circuits is connected in the control loop in series, the control assembly comprises a starting switch and a stopping switch, the starting switch comprises remote starting and local starting, the remote starting and the local starting are connected in parallel, the stopping switch comprises remote stopping and local stopping, and the remote stopping and the local stopping are connected in parallel.

The principle and the effect of the basic scheme are as follows:

1. compared with the prior art, the utility model discloses in through the three circuits that set up, for the water pump motor power supply, the control circuit who sets up on the three circuits again comes the start-up and close of control motor to the big circuit is controlled to the microcircuit, and the security performance above the operation is higher.

2. Compared with the prior art, the utility model discloses in through the starting switch and the stop switch that set up to remote start in the starting switch with start on the spot and the remote stop in the stop switch all adopt parallelly connected the messenger equipment switch if touched by the mistake with stopping on the spot, can realize the control to the water pump motor through the function that long-range stopped equally, ensured the normal operating of water pump motor.

Further, the remote stop and the local stop are controlled by a first universal conversion switch, the stop is controlled by a controller, the controller is controlled by a single chip microcomputer, and the controller is electrically connected with the first universal conversion switch. Through omnipotent change over switch control remote control or local control, when omnipotent change over switch changes to remote control, local control is by self-closing, has effectively prevented the mistake and has touched.

Further, the remote start and the local start are controlled by a second universal change-over switch, the remote start is also controlled by a single chip microcomputer, and the controller is electrically connected with the second universal change-over switch. The starting can also prevent mistaken touch through a universal change-over switch, the accidental stop of a water pump motor is avoided, and the remote control can be realized by adopting a single chip microcomputer.

Further, a current protector is connected in series in the control loop. The current protects the protection control loop and avoids overlarge current of the control loop.

Further, a first thermal relay is connected in series in the control loop. The first thermal relay is arranged to realize overload protection on the control loop.

Furthermore, a circuit breaker for controlling the opening and the closing of the three circuits is arranged in the three circuits. The circuit breaker is a switch of a three-phase circuit.

Furthermore, an intermediate relay electrically connected with the circuit breaker is arranged in the three circuits. The intermediate relay is a control element and realizes the transmission of signals.

Further, a second thermal relay electrically connected with the intermediate relay is arranged in the three circuits. The second thermal relay protects the three-phase circuit from overload.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic diagram illustrating a water pump start control system according to an embodiment of the present disclosure;

FIG. 2 is a schematic diagram illustrating a prior art water pump startup control system according to an embodiment of the present application;

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the three-phase circuit comprises a circuit 1, a circuit breaker 2, an intermediate relay 3, a second thermal relay 4, a water pump motor 5, a current protector 6, a first universal change-over switch 7, a local stop 701, a remote stop 702, a second universal change-over switch 8, a local start 801, a remote start 802 and a first thermal relay 9.

Examples are shown in fig. 1 and 2:

the utility model provides a water pump start control system, including three circuit 1, three circuit 1 links to each other with the motor, for the motor power supply, three circuit 1 is the main circuit, be equipped with circuit breaker 2 in the three circuit 1, circuit switching among the three circuit 1 of circuit breaker 2 control, be equipped with the auxiliary relay 3 with circuit breaker 2 electricity is connected among the three circuit 1, auxiliary relay 3 plays transmission signal, control circuit's effect, still be equipped with the second thermal relay 4 with the 3 electricity of auxiliary relay in the three circuit, second thermal relay 4 is connected with the motor electricity, second thermal relay 4 mainly is in order to prevent the circuit overload, thereby prevent the motor damage.

In the three-phase circuit 1, a control loop is arranged between a circuit breaker 2 and an intermediate relay 3, a start switch and a stop switch are arranged in the control loop, the start switch is divided into a remote start 802 and a local start 801, the remote start 802 and the local start 801 are connected in a parallel mode, the stop switch comprises a remote stop 702 and a local stop 701, the remote stop 702 and the local stop 701 are connected in a parallel mode, in the application process, the remote stop 702 and the remote start 802 are connected with a main control room in a signal mode through a controller, the main control room controls starting or stopping through the controller, the controller adopts a single chip microcomputer, the remote start 802 and the remote stop 702 are electrically connected with the single chip microcomputer, the start switch is controlled through a first universal changeover switch 7, the stop switch is controlled through a second universal changeover switch 8, the universal changeover switch is the prior art and comprises two groups of nodes, when one group of nodes is connected, the other group of nodes is automatically disconnected, in the embodiment, the universal changeover switch can automatically disconnect the local stop 701 after the remote stop 702 is connected, an accident is effectively prevented, and the water pump 5 is stopped, and the same remote start 802 also has the same effect.

In this embodiment, when the first universal switch is turned to the remote stop 702, the start switch needs to turn the second universal switch 8 to the remote start 802, and when the first universal switch is turned to the local stop 701, the start switch needs to turn the second universal switch 8 to the local start 801, and the two need to correspond to each other.

A current protector 6 and a first thermal relay 9 are connected in series in the control loop, the current protector prevents the current in the control loop from being overloaded, and the first thermal relay 9 can carry out overload protection on the control loop.

The method comprises the following specific implementation steps: the first step, supply power for water pump motor 5 through the three phase circuit, the second step, when needs carry out remote control to water pump motor 5, beat first omnipotent change over switch 7 to remote stop 702, second omnipotent change over switch 8 beats to remote start 802, carry out remote control through the controller promptly singlechip, remote control through this kind of mode, can prevent effectively that remote stop 702 function from being touched by mistake, avoid unable remote control, water pump motor 5 accident stops, the third step, when needs carry out on-the-spot control to water pump motor 5, beat first omnipotent change over switch 7 to on-the-spot and stop 701, second omnipotent change over switch 8 beats to on-the-spot and starts 801 and can realize on-the-spot control.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any introduction modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention will still fall within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a water pump start control system which characterized in that: the remote control device comprises three circuits connected with a water pump motor, wherein a control loop is arranged on each circuit, a control assembly for controlling the opening and closing of the three circuits is connected in series in the control loop, the control assembly comprises a starting switch and a stopping switch, the starting switch comprises remote starting and local starting, the remote starting and the local starting are connected in parallel, the stopping switch comprises remote stopping and local stopping, and the remote stopping and the local stopping are connected in parallel.

2. The water pump starting control system according to claim 1, wherein the remote stopping and the local stopping are controlled by a first universal switch, the remote stopping is controlled by a controller, the controller is controlled by a single chip microcomputer, and the controller is electrically connected with the first universal switch.

3. The water pump starting control system according to claim 2, wherein the remote starting and the local starting are controlled by a second universal changeover switch, the remote starting is also controlled by a single chip microcomputer, and the controller is electrically connected with the second universal changeover switch.

4. The system as claimed in claim 1, wherein a current protector is connected in series in the control loop.

5. The system as claimed in claim 1, wherein a first thermal relay is connected in series in the control loop.

6. The water pump starting control system according to claim 1, wherein a circuit breaker for controlling the three circuits to open and close is arranged in the three circuits.

7. The water pump starting control system according to claim 6, wherein an intermediate relay electrically connected with the circuit breaker is arranged in the three circuits.

8. The system of claim 7, wherein a second thermal relay is electrically connected to the intermediate relay.