CN109372759B

CN109372759B - Water pump motor economizer

Info

Publication number: CN109372759B
Application number: CN201811371772.0A
Authority: CN
Inventors: 许成明
Original assignee: Panzhihua Xinhua Energy Saving Technology Service Co ltd
Current assignee: Panzhihua Xinhua Energy Saving Technology Service Co ltd
Priority date: 2018-11-15
Filing date: 2018-11-15
Publication date: 2020-08-04
Anticipated expiration: 2038-11-15
Also published as: CN109372759A

Abstract

The invention discloses a water pump motor energy-saving device which comprises a motor, a liquid storage tank, a controller, a rotating part, a water passing cavity, a water inlet pipe and a water outlet pipe, wherein the motor is arranged in the liquid storage tank, the controller is arranged on a shell of the liquid storage tank, the rotating part is clamped with the motor, the rotating part is arranged in the water passing cavity, the rotating part is connected with the controller, and rotating blades of the rotating part can be adjusted.

Description

Water pump motor economizer

Technical Field

The invention relates to the field of motor energy conservation, in particular to an energy-saving device for a water pump motor.

Background

The motor realizes electric energy according to an electromagnetic induction law.

An electromagnetic device for conversion or transmission. Denoted in the circuit by the letter M (old standard by D). Its main function is to generate driving torque as power source of electric appliance or various machines. The generator is denoted in the circuit by the letter G. The main function of the generator is to convert mechanical energy into electric energy, and the most common generator at present utilizes heat energy, water energy and the like to drive a generator rotor to generate electricity.

The water pump motor is a device for pumping water or other fluid objects by means of motor blades, in the prior art, the water pump with the same power is used for pumping the liquids with different densities, when the solution with higher viscosity is pumped, the power of the motor is too low, the phenomenon of 'small horse pulling a cart' can occur, the motor is overloaded for a long time, on one hand, the motor not only consumes electric power and has poor pumping effect, but also can damage the insulation of the motor due to heating to cause the motor to be burnt,

the liquid with low viscosity is pumped by using the same power, and the phenomenon of 'large horse pulls a trolley' can occur when the power of the motor is too high.

Disclosure of Invention

The invention aims to: aiming at the problems, the energy-saving device for the water pump motor is provided, when fluid with different densities is pumped away, the mechanical output power is reasonably used, the condition that the water pump is overloaded and consumes electricity is reduced, and the temperature can be automatically reduced.

The utility model provides a water pump motor economizer, includes motor, liquid reserve tank, controller, rotation portion, crosses water cavity, oral siphon and outlet pipe, the motor sets up inside the liquid reserve tank, and the controller setting is on the liquid reserve tank shell, rotation portion and motor joint, rotation portion set up and cross the water cavity, and rotation portion is connected with the controller, and rotation portion's rotation flabellum is adjustable.

When liquid with different viscosities is pumped out or transported, the motor of the water pump motor adjusts the different viscosities, but the adjustment is not easy to be performed manually under normal conditions; the liquid with low viscosity is pumped by using the same power, the power of the motor is overlarge at the moment, and the phenomenon of 'large horse pulls a trolley' occurs.

When a solution with high viscosity is pumped away, the power of the motor is too low, the phenomenon of 'small horse pulling a cart' can occur, the motor is overloaded for a long time, on one hand, the motor can consume electric power, the pumping-away effect is not good, on the other hand, the insulation of the motor can be damaged due to heating, and the motor is burnt.

The rotating fan blade can be correspondingly adjusted according to the viscosity and the density of the pumped liquid, when the liquid with high viscosity and high density is pumped, the rotating fan blade is shortened, the output force is increased under the condition of unchanged motor power, the motor is protected, electric energy is saved, and when the liquid with small viscosity and low density is pumped, the rotating fan blade is extended, so that the output power is improved, and the electric energy is saved.

Preferably, the liquid reserve tank includes venthole, mount, drain pipe, income liquid mouth, be equipped with insulating grease in the liquid reserve tank, the liquid level height of insulating grease is higher than the height of motor, the venthole sets up at the top of liquid reserve tank, sets up to a plurality ofly, and the heat of insulating grease in the liquid reserve tank can discharge through the venthole, and atmospheric pressure in the liquid reserve tank also can be balanced to the venthole, the mount sets up at the inside bottom central point of liquid reserve tank and puts, and the mount is used for fixed motor, makes the motor surface all the time as much as possible with insulating grease contact heat dissipation, the drain pipe includes drain pipe and lower drain pipe, goes up the drain pipe setting at the upside of motor axis of rotation, and lower drain pipe sets up the downside at the motor axis of rotation, and upper and lower drain pipe joins into a cold liquid pipe in the bottom in crossing the water cavity, cold liquid pipe and crossing water cavity.

Preferably, the part of the cold liquid pipe in the water passing cavity is in a spiral or folding shape, so that the contact surface of the cold liquid pipe and the liquid in the water passing cavity is increased as much as possible, and the heat dissipation is more sufficient.

Preferably, the liquid inlet is arranged above the liquid level of the insulating liquid, the liquid cooling pipe is connected with the liquid inlet, and the cooled insulating grease returns to the liquid storage cavity through the liquid inlet.

Preferably, be provided with sealed lid on the venthole, close sealed lid when needs remove the suction pump, prevent that insulating grease from omitting.

Preferably, the rotation portion includes preceding rotation portion and back rotation portion, rotation portion and motor output shaft joint, back rotation portion sets up drain pipe rear portion position in the liquid storage tank, and back rotation portion is fan-shaped, and the motor drives the back rotation portion in the pivoted and rotates, and back rotation portion carries out the rotation circulation with insulating grease, makes insulating grease carry out automatic cycle, does not need extra radiator or external power supply, only leans on the motor to drive when rotating to dispel the heat, has practiced thrift the electric energy.

Preferably, preceding rotation portion includes a plurality of electric fan blade, and electric fan blade is linear to be set up in rotation portion, and electric fan blade and motor output shaft fixed connection, electric fan blade include pars contractilis and fixed chamber, pars contractilis can carry out radial slide in fixed intracavity, pars contractilis is and controller electricity are connected.

Preferably, the oral siphon sets up at the top of crossing the water cavity, and the oral siphon link up with crossing the water cavity, be provided with the density detector in the oral siphon, the density detector detects the density that enters into crossing water cavity liquid, the density detector is connected with the controller electricity, when the density detector detects that the liquid density that enters into crossing the water cavity is little, give the controller with the signal of telecommunication transmission, controller control electric fan blade extends, improve the mechanical power of output, reduce the waste of power of leaving, when the density detector detects the density of liquid great, give the controller with the signal of telecommunication transmission, controller control electric fan blade shortens, in the same output, increase the dynamics of output, reduce the emergence that the motor is overloaded, reduce the consumption of electric power, protected the motor performance. The density detector is a DMF-1-CR plug-in densitometer.

Preferably, the density detector is provided in plurality and is arranged linearly in the water flowing direction, and the controller controls the electric fan blade when the average density detected by all the density detectors increases or decreases.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. the invention adopts the combination of the density detector and the electric fan blade, automatically identifies the density of the fluid in the liquid inlet pipe, automatically adjusts the length of the electric fan blade, fully utilizes the mechanical power, reduces the occurrence of motor overload, protects the safety of the motor, saves the maintenance cost and saves the electric power resource.

2. The rear rotating part of the invention rotates and circulates the insulating grease, so that the insulating grease can be automatically circulated, no extra radiator or external power supply is needed, the heat dissipation is carried out only by the driving of the motor during the rotation, and the electric energy is saved.

Drawings

FIG. 1 is a schematic view of the overall structure of the electric fan blade of the present invention when retracted;

FIG. 2 is a schematic view of the electric fan blade of the present invention in its extended overall configuration;

the labels in the figure are: 1. a motor; 2. a liquid storage tank; 3. a controller; 4. a rotating part; 5. a water passing cavity; 6. a water inlet pipe; 7. a water outlet pipe; 21. an air outlet; 22. a fixed mount; 23. a liquid outlet pipe; 231. an upper liquid outlet pipe; 232. a lower liquid outlet pipe; 24. a liquid inlet; 25. a cold liquid pipe; 26. a sealing cover; 41. a front rotating part; 42. a rear rotating part; 411. a telescopic part; 412. a fixed cavity; 61. a density detector.

Detailed Description

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

As shown in fig. 1-2, a water pump motor 1 economizer, including motor 1, liquid reserve tank 2, controller 3, rotation portion 4, cross water cavity 5, oral siphon 6 and outlet pipe 7, motor 1 sets up inside liquid reserve tank 2, and controller 3 sets up on liquid reserve tank 2 shells, rotation portion 4 and motor 1 joint, rotation portion 4 set up in crossing water cavity 5, and rotation portion 4 is connected with controller 3, and the rotation flabellum of rotation portion 4 is adjustable.

When liquid with different viscosities is pumped out or transported, the motor 1 of the water pump motor 1 adjusts the different viscosities, but the adjustment is not easy to be performed manually under normal conditions; the liquid with low viscosity is pumped by using the same power, the power of the motor is overlarge at the moment, and the phenomenon of 'large horse pulls a trolley' occurs.

The rotating fan blade can be correspondingly adjusted according to the viscosity and the density of the pumped liquid, when the liquid with high viscosity and high density is pumped, the rotating fan blade is shortened, the output force is increased under the condition that the power of the motor 1 is not changed, the motor 1 is protected, electric energy is saved, and when the liquid with small viscosity and low density is pumped, the rotating fan blade is extended, the output power is improved, and the electric energy is saved.

The liquid storage box 2 comprises air outlet holes 21, a fixing frame 22, liquid outlet pipes 23 and a liquid inlet 24, insulating grease is filled in the liquid storage box 2, the liquid level of the insulating grease is higher than the height of the motor 1, the air outlet holes 21 are arranged at the top of the liquid storage box 2 and are arranged in a plurality of manners, the heat of the insulating grease in the liquid storage box 2 can be discharged through the air outlet holes 21, the air outlet holes 21 can also balance the air pressure in the liquid storage box 2, the fixing frame 22 is arranged at the central position of the bottom end in the liquid storage box 2, the fixing frame 22 is used for fixing the motor 1, so that the outer surface of the motor 1 all the time is contacted with the insulating grease as much as possible for heat dissipation, the liquid outlet pipes 23 comprise upper liquid outlet pipes 231 and lower liquid outlet pipes 232, the upper liquid outlet pipes 231 are arranged at the upper side of the rotating shaft of the motor 1, the lower liquid outlet pipes 232 are arranged at the lower side of the rotating, the cold liquid pipe 25 is fixedly connected with the water passing cavity 5.

The part of the cold liquid pipe 25 in the water passing cavity 5 is in a spiral shape or a folding shape, so that the contact surface of the cold liquid pipe 25 and the liquid in the water passing cavity 5 is increased as much as possible, and the heat dissipation is more sufficient.

The liquid inlet 24 is arranged above the liquid level of the insulating liquid, the liquid cooling pipe 25 is connected with the liquid inlet 24, and the cooled insulating grease returns to the liquid storage cavity through the liquid inlet 24.

Be provided with sealed lid 26 on the venthole 21, close sealed lid 26 when needs remove the suction pump, prevent that insulating grease from omitting.

Rotation portion 4 rotates portion 42 after and including preceding rotation portion 41, rotation portion 4 and motor 1 output shaft joint, back rotation portion 42 sets up drain pipe 23 rear portion position in liquid reserve tank 2, and back rotation portion 42 is fan-shaped, and motor 1 drives back rotation portion 42 and rotates when the pivoted, and back rotation portion 42 rotates insulating grease, makes insulating grease carry out automatic cycle, does not need extra radiator or external power supply, only leans on motor 1 to drive when rotating to dispel the heat, has practiced thrift the electric energy.

Preceding rotating part 41 includes a plurality of electric fan blade, and electric fan blade is linear to be set up on rotating part 4, and electric fan blade and 1 output shaft fixed connection of motor, electric fan blade include pars contractilis 411 and fixed chamber 412, pars contractilis 411 can carry out radial slide in fixed chamber 412, pars contractilis 411 is are connected with controller 3 electricity.

The utility model discloses a motor, including intake pipe 6, controller 3, density detector 61, controller 3 control electric fan blade, improve the mechanical power of output, reduce the waste of power of going out, when density detector 61 detects the density of the liquid that enters into water cavity 5 little, give controller 3 with the signal of telecommunication transmission when density detector 61 detects the density of the liquid that enters into water cavity 5 little, controller 3 control electric fan blade lengthens, the dynamics of output is increased in the time of same output power, reduce the emergence of motor 1 overload, reduce the consumption of electric power, motor 1 performance has been protected to intake pipe 6 and water cavity 5 link up, be provided with density detector 61 in the intake pipe 6, density detector 61 detects the density of the liquid little, give controller 3 with the signal of telecommunication transmission, controller 3 control electric fan blade shortens. The density detector 61 is a DMF-1-CR insertion densitometer.

The controller 3 is specifically a P L C programmable logic controller 3 with the model number of SIMATIC S7-300, and the controller 3 controls each device.

The density detectors 61 are provided in plurality and linearly arranged in the water flowing direction, and the controller 3 controls the electric fan blades when the average density detected by all the density detectors 61 increases or decreases.

The water outlet pipe is communicated with the water passing cavity, and liquid is discharged through the water outlet pipe.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A water pump motor energy-saving device is characterized by comprising a motor, a liquid storage tank, a controller, a rotating part, a water passing cavity, a water inlet pipe and a water outlet pipe, wherein the motor is arranged in the liquid storage tank, the controller is arranged on a shell of the liquid storage tank, the rotating part is clamped with an output shaft of the motor and comprises a front rotating part and a rear rotating part, the rear rotating part is arranged at the rear part of the water outlet pipe in the liquid storage tank, the front rotating part is arranged in the water passing cavity and connected with the controller, and rotating blades of the front rotating part are adjustable; the liquid storage tank comprises air outlet holes, a plurality of fixing frames, liquid outlet pipes and a liquid inlet, insulating grease is filled in the liquid storage tank, the liquid level of the insulating grease is higher than that of the motor, the air outlet holes are formed in the top of the liquid storage tank and are arranged in a plurality of numbers, the fixing frames are arranged at the center of the bottom end in the liquid storage tank, each liquid outlet pipe comprises an upper liquid outlet pipe and a lower liquid outlet pipe, the upper liquid outlet pipe and the lower liquid outlet pipe are converged into a cold liquid pipe at the bottom end of the water passing cavity, and the cold liquid pipe is fixedly connected with the water passing cavity; the inlet pipe is arranged at the top of the water passing cavity, the inlet pipe is communicated with the water passing cavity, a density detector is arranged in the inlet pipe and detects the density of liquid entering the water passing cavity, and the density detector is electrically connected with the controller.

2. The energy-saving device for the water pump motor according to claim 1, wherein the front rotating part comprises a plurality of rotating blades, the rotating blades are linearly arranged on the front rotating part, the rotating blades are fixedly connected with the motor output shaft, the rotating blades comprise a telescopic part and a fixed cavity, the telescopic part can slide in the fixed cavity in the radial direction, and the telescopic part is electrically connected with the controller.

3. The energy-saving device for the water pump motor as claimed in claim 1, wherein the part of the cold liquid pipe in the water passing cavity is in a spiral shape or a folded shape.

4. The energy-saving device for the water pump motor according to claim 1 or 3, wherein the liquid inlet is arranged above the liquid level of the insulating liquid, the cold liquid pipe is connected with the liquid inlet, and the cooled insulating grease returns to the liquid storage cavity through the liquid inlet.

5. The energy-saving device for the water pump motor as claimed in claim 1, wherein the air outlet is provided with a sealing cover.

6. The energy-saving device for the water pump motor as claimed in claim 2, wherein the density detector is provided in plurality and is arranged linearly in the water flowing direction.