CN218325420U

CN218325420U - Novel water pump multifunctional protection device

Info

Publication number: CN218325420U
Application number: CN202222362788.3U
Authority: CN
Inventors: 史珍东; 陶恕; 罗聪
Original assignee: Hefei Kaiquan Motor Pump Co ltd
Current assignee: Hefei Kaiquan Motor Pump Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-17
Anticipated expiration: 2032-09-06

Abstract

The utility model provides a novel multi-functional protection of water pump device, novel multi-functional protection of water pump device include multi-functional detection module, protection current transformer and interface board, and protection current transformer installs on water pump motor is branched, with multi-functional detection module communication connection, the interface board passes through special cable junction with multi-functional detection module, and protection current transformer gathers the real-time operation electrical parameter of water pump motor, and the inside winding temperature signal and the signal of intaking of water pump motor are gathered to the interface board. The utility model discloses use a device to detect the voltage, electric current, power isoparametric of many water pumps simultaneously, use the winding overheat and the condition of intaking that a device detected many water pumps simultaneously, simplified the module and the wiring of water pump protection.

Description

Novel water pump multifunctional protection device

Technical Field

The utility model relates to an operating condition of immersible pump detects and operation safety arrangement field, especially a novel multi-functional protection of water pump device.

Background

The submersible electric pump is widely applied to various industrial or civil fields, and various faults can occur in the operation process of the submersible electric pump due to bad operation environment or power failure. Therefore, when the water pump motor is operated, the electrical parameters of the water pump motor need to be detected: signals of three-phase voltage, three-phase current, active electric energy, active power, power factor and the like of the water pump motor. The water pump motor may overheat and water intake during operation. The electric parameter's of current scheme to the water pump detection is realized detecting through installing multi-functional table additional on the switch board, and current scheme is overheated or inside intaking to the water pump winding, then realizes the overheated and the protection of intaking of water pump through being equipped with special water pump protector.

In the prior art, each water pump needs to be provided with a multifunctional table and a special protection device for the water pump, the needed modules are more, the wiring is more complex, the cost is high, the fault points of a control loop are increased, and the integrated management of information is not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the module that realizes among the prior art that the water pump protection needs is more, the wiring is comparatively complicated, with high costs, the utility model provides a novel multi-functional protection of water pump device.

Therefore, the novel multifunctional water pump protection device provided by the utility model comprises a multifunctional detection module, a protection current transformer and an interface board, wherein the protection current transformer is arranged on a water pump motor branch circuit and is in communication connection with the multifunctional detection module, and the interface board is connected with the multifunctional detection module through a special cable;

the protection current transformer acquires real-time operation electrical parameters of a water pump motor;

the interface board collects the internal winding temperature signal and the water inlet signal of the water pump motor.

Preferably, the real-time operating electrical parameters include voltage, current and function.

Preferably, the interface board can be connected with internal sensors of a plurality of water pumps at the same time.

Preferably, the interface board can receive a well lid opening signal, a float switch signal, a gas sensor signal, a liquid level sensor signal and a pump protection signal line signal.

Preferably, the multifunctional detection module can display the running state of the water pump in real time through a panel indicating lamp.

Preferably, the multifunctional detection module detects real-time running electric parameters, internal winding temperature signals and water inlet signals of the water pump motor in real time, and transmits acquired data to the central control room through the integrated DB9 interface.

Preferably, the multifunctional detection module transmits the acquired data to the central control room through an RS485 interface of the DB9 by adopting a modbus-RTU protocol.

Preferably, the central control room controls the start and stop of the water pump and fault protection according to the data collected by the multifunctional detection module.

Preferably, the water inlet signal is used for indicating water leakage of the junction box, water leakage of the motor and water leakage of the oil chamber.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) The method comprises the following steps of (1) simultaneously detecting voltage, current, power and other electrical parameters of a plurality of water pumps by using one device;

2) The winding overheating and water inlet conditions of a plurality of water pumps are detected simultaneously by using one device;

3) The multifunctional detection module displays the real-time state of the motor through the panel indicator lamp.

Drawings

FIG. 1 is a schematic view of the multifunctional detection module of the present invention;

FIG. 2 is a schematic diagram of the main wiring in the electric control cabinet of the present invention;

fig. 3 is a schematic diagram of an interface board of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.

The novel multifunctional water pump protection device comprises a multifunctional detection module, a protection current transformer CT and an interface board. The protection current transformer CT is arranged on a branch circuit of the water pump motor and used for collecting real-time operation electrical parameters of the water pump motor, as shown in figures 1 and 2, M1 and M2 are 2 water pump motors, and the real-time operation electrical parameters of the water pump motor are collected to the multifunctional detection module through the matched CT1 and CT2, so that real-time detection of the voltage, the current, the power and other parameters of the 2 water pump motors is realized. The interface board collects the water pump winding temperature signal and the water inlet signal, can be simultaneously connected with the internal sensors of a plurality of water pumps, is connected with the multifunctional detection module through a special cable, and can receive a well cover opening signal, a float switch signal, a gas sensor signal, a liquid level sensor signal and a pump protection signal line signal as shown in figure 3. The multifunctional detection module is used for detecting real-time operation electric parameters of a plurality of motors, the temperature of windings inside the motors and whether water enters the water pump or not in real time, and then transmitting acquired data to an automation device or a central control room by adopting a modbus-RTU protocol through an integrated DB9 interface, so that the operation safety of the water pump is ensured.

Compared with the prior art, the utility model has the advantages of it is following:

3) Displaying the real-time state of the motor through a panel indicator light;

4) Through the RS485 interface output of DB9, the communication with the automation device is safe and reliable.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and certainly should not be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, the equivalent changes made by the scheme of the present invention are considered as the protection scope of the present invention without departing from the design structure and principle of the present invention.

Claims

1. A novel multifunctional water pump protection device is characterized by comprising a multifunctional detection module, a protection current transformer and an interface board, wherein the protection current transformer is installed on a branch circuit of a water pump motor and is in communication connection with the multifunctional detection module;

2. The novel multifunctional protector for water pumps as claimed in claim 1, characterized in that the real-time operation electrical parameters comprise voltage, current and power.

3. The novel multifunctional protector for the water pump as claimed in claim 1, wherein the interface board can be connected to the internal sensors of a plurality of water pumps simultaneously.

4. The novel multifunctional water pump protector as claimed in claim 3, wherein the interface board can receive a well lid opening signal, a float switch signal, a gas sensor signal, a liquid level sensor signal and a pump protection signal line signal.

5. The novel multifunctional water pump protection device as claimed in claim 1, wherein the multifunctional detection module can display the running state of the water pump in real time through a panel indicator light.

6. The novel multifunctional water pump protection device as claimed in claim 1, wherein the multifunctional detection module detects real-time operation electrical parameters of the water pump motor, internal winding temperature signals and water inlet signals in real time, and transmits acquired data to the central control room through an integrated DB9 interface.

7. The novel multifunctional water pump protection device as claimed in claim 6, wherein the multifunctional detection module transmits the collected data to the central control room through an RS485 interface of DB9 by adopting a modbus-RTU protocol.

8. The novel multifunctional water pump protection device as claimed in any one of claims 6 to 7, wherein the central control room controls the start and stop of the water pump and fault protection according to the data collected by the multifunctional detection module.

9. The novel multifunctional water pump protection device as claimed in any one of claims 1 to 7, wherein the water inlet signal is used to indicate water leakage from the junction box, water leakage from the motor and water leakage from the oil chamber.