KR102292309B1 - Dual pumping apparatus and operating method thereof - Google Patents

Abstract

The present invention discloses a dual pumping apparatus comprising: a first pumping unit including a first motor (100a), a first impeller (200a) receiving power from the first motor, and a first pump pipe (310a) surrounding the first impeller; a second pumping unit including a second motor (100b), a second impeller (200b) receiving power from the second motor, and a second pump pipe (310b) surrounding the second impeller; a connection pipe (340) formed between the first pump pipe and the second pump pipe; a flow rate sensor (810) detecting the amount of fluid discharged from the first pump pipe or the second pump pipe; and a control unit (890) controlling the operation of the first motor or the second motor.

Description

Dual pumping device and its operation method {DUAL PUMPING APPARATUS AND OPERATING METHOD THEREOF}

The present invention relates to a dual pumping device and an operating method thereof, and more particularly, by using an electricity supply facility such as a switchboard and a control unit to control the power supply of a motor composed of dual, and fluid is discharged from a pump pipe composed of dual It relates to a technology for monitoring whether there is an abnormality in the discharge amount.

Conventionally, although a contaminant filtering device is installed in a pumping station, contaminants of small particles may be sucked into the pump without being filtered, and there is a problem that small particles may accumulate in the intake portion of the pump and decrease the discharge amount of the pump.

Conventionally, rain that falls during the rainy season flows together with soil and sand and flows into the drainage basin, is stacked on the bottom of the drainage basin, and some soil is accumulated in the intake part of the pump, reducing the discharge amount of the pump, and there is a problem that a failure of the pump may occur. .

Conventionally, a technology that automatically controls the rotation direction of the motor by detecting a decrease in the discharge amount due to contaminants or soil flowing into the pump, or a technology that automatically controls the speed of the motor by detecting the discharge amount and water level, etc. Control technology is lacking.

If the length of the pump, such as the head of the pump, to hold water becomes longer, the screw-shaped impeller should be longer. The impeller may be used in a water pump as described in the prior art, may be a pump for pumping water or sewage, and may be used in various fields depending on the purpose, such as propulsion of power.

Conventionally, if the length of the impeller becomes longer, the rate of impact caused by foreign substances may increase, the pumping state of water may become unstable due to the impact, and the impeller receiving power from the motor does not rotate with a uniform force and is tilted to one side. There is a problem that the vibration may be further increased, and the impeller may be damaged by the vibration.

Conventionally, when the water in the reservoir is high, the suction port of the pump is located deep in the water, so the air intake by the vortex may be small. If it is not done, vibration may occur because it is tilted to one side, and damage to the impeller may occur due to vibration.

Korea Utility Model Registration Patent No. 20-0142640

In order to solve the above problems, the present invention generates sensing information by sensing the discharge amount and the level of the fluid discharged from the dual pump pipe, and the reference discharge amount corresponding to the motor speed, the target discharge demand amount, and the standard An object of the present invention is to provide a dual pumping device that stores setting information including a water level standard and automatically controls at least one of driving, speed, and rotation direction of a motor by comparing sensing information and setting information, and an operating method thereof.

A dual pumping device according to an embodiment of the present invention for the above-described problem, a first motor 100a, a first impeller 200a receiving power of the first motor, and a first impeller surrounding the first impeller A first pumping unit consisting of one pump pipe (310a); a second pumping unit comprising a second motor 100b, a second impeller 200b receiving power from the second motor, and a second pump pipe 310b surrounding the second impeller; a connection pipe 340 formed between the first pump pipe and the second pump pipe; and a flow rate sensor 810 for detecting a discharge amount of the fluid discharged from the first pump pipe or the second pump pipe, and a control unit 890 for controlling an operation of the first motor or the second motor, wherein the control unit includes a When the discharge amount of the first pump pipe is lower than the reference discharge amount corresponding to the motor speed, the first motor is reversely rotated and the second motor is rotated forward, and the connection pipe provides the fluid pumped from the second pump pipe to the first pump pipe. Thus, it is characterized in that the scattering pressure of the fluid to the first pump pipe is increased.

A first pump pipe and a second pump pipe are formed on both sides of the connection pipe, and a discharge path 330 through which the fluid can fall downward is formed in the front, and the dual pumping device according to the embodiment of the present invention, A first non-return valve 440a for preventing reverse inflow of fluid into the first pump pipe between the first pump pipe and the connecting pipe, and a reverse inflow of fluid into the second pump pipe between the second pump pipe and the connecting pipe It may be characterized in that it further comprises a second non-return valve (440b) to prevent.

The first non-return valve is opened by the pumping pressure of the fluid and closed when the pumping pressure of the fluid is extinguished. It may further include a first valve operating means (450a) for forcibly maintaining the valve in an open state.

A dual pumping device according to an embodiment of the present invention includes a first pumping unit comprising a first motor, a first impeller receiving power from the first motor, and a first pump pipe surrounding the first impeller; a second pumping unit comprising a second motor, a second impeller receiving power from the second motor, and a second pump pipe surrounding the second impeller; a connection pipe formed between the first pump pipe and the second pump pipe; a flow rate sensor for detecting the amount of fluid discharged from the first pump pipe or the second pump pipe; A water level sensor 830 for detecting the level of the fluid and a control unit for storing setting information including at least one of a reference discharge amount corresponding to the motor speed, a target discharge demand amount, and a reference water level reference, the control unit comprising: It is characterized in that at least one of driving, speed, and rotation direction of the motor is automatically controlled by comparing the sensing information generated by sensing the discharge amount and the water level with the setting information.

A first pumping unit comprising a first motor according to an embodiment of the present invention, a first impeller receiving power from the first motor, and a first pump pipe surrounding the first impeller; a second pumping unit comprising a second motor, a second impeller receiving power from the second motor, and a second pump pipe surrounding the second impeller; a connection pipe formed between the first pump pipe and the second pump pipe; The operating method of the dual pumping device comprising a flow rate sensor for detecting a discharge amount of the fluid discharged from the first pump pipe or the second pump pipe, and a control unit for controlling the operation of the first motor or the second motor, the control unit Determining the driving or speed of the first motor or the second motor based on the required discharge amount or water level standard of the fluid, and monitoring whether there is an abnormality in the discharge amount of the first pump pipe or the second pump pipe to the first motor or the second motor Including the step of determining the rotation direction of the, characterized in that for controlling the fluid pressure of the first pump pipe or the second pump pipe.

The control unit controls the power supply of the motor using the electricity supply facility 20, detects a fire sign of the electricity supply facility using the gas sensor 850 installed in the power supply facility, and the first motor and the second The motor uses a multi-function cable composed of a power supply line and a gas pipe to remove moisture inside in the process of discharging gas, and the gas sensor is used to monitor fire signs and abnormal symptoms of the electric supply facility, and the control unit. may be characterized in that it provides monitoring information to the set manager terminal 30 by integrally monitoring the discharge amount, fire signs, and abnormal signs.

The present invention compares the sensing information with the setting information and automatically controls at least one of the driving, speed, and rotational direction of the motor, thereby removing the clogging-inducing material stuck or accumulated in the impeller or intake part, and improving the discharge amount of fluid It has a remarkable effect that can suppress the occurrence of vibration by eddy current through the speed control of the motor.

1 shows a pumping device using a valve according to a first embodiment of the present invention.
FIG. 2 is an enlarged view of the pumping valve of FIG. 1 .
3 shows a pumping device for safety according to a second embodiment of the present invention.
4 shows a pumping device for safety according to a third embodiment of the present invention.
5 shows a pumping device for safety according to a fourth embodiment of the present invention.
6 shows a dual pumping device according to a fifth embodiment of the present invention.
7 is a block diagram illustrating a pumping device according to a sixth embodiment of the present invention.
8 is a flowchart illustrating a method of operating a dual pumping device according to a seventh embodiment of the present invention.
9 is an example showing a multi-function cable.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings and the contents described in the accompanying drawings, but the present invention is not limited or limited by the embodiments.

1 shows a pumping device using a valve according to a first embodiment of the present invention. The pumping device 10 is a device used to move a fluid, such as liquid, slurry, or gas. The pumping device 10 is driven on the principle of moving a fluid from a low pressure to a high pressure.

In the present invention, the pump device 10 corresponds to an axial flow pump. The pump device 10 may be used as a pump for pumping water, drainage, or water and sewage, and may be used in various fields for moving a fluid, but is not limited thereto.

The pump device 10 includes a motor 100 , an impeller 200 , a pumping valve 400 , and a scattering valve 420 . The motor 100 receives power from an electricity supply facility to generate power. The electricity supply facility is typically a switchboard, and may be various facilities for supplying electricity.

The impeller 200 receives power from the motor 100 , and can rotate forward or reverse in response to the rotation direction of the motor 100 . The impeller 200 includes a rotating shaft for receiving power from the motor 100 and a blade formed on the rotating shaft. The blade can be divided into a furnace type, a propeller type and a screw type. In the present invention, the impeller 200 may have a screw shape.

The pumping valve 410 is formed adjacent to the impeller 200 and is opened when the impeller 200 is rotated forward, and the scattering valve 420 is formed under the pumping valve 410 and is opened when the impeller 200 is rotated in reverse. do.

The pump device 10 may further include a pump pipe 310 surrounding the impeller 200 and an intake unit 320 formed under the pump pipe 310 to provide an intake space. The impeller 200, the pump pipe 310, the intake part 320, the pumping valve 410 or the scattering valve 420 may corrode if in contact with a fluid such as seawater. can be prepared including.

The pumping valve 410 and the scattering valve 420 may be installed in the intake unit 320 . The pumping valve 410 and the scattering valve 420 are opened and closed by the fluid pressure generated by the rotational force of the impeller 200 without electrical or manual control. Fluid pressure is divided into suction pressure, which means the pressure at which the fluid is sucked, and scattering pressure, which means the pressure at which the fluid is scattered.

When the impeller 200 is rotated forward, the pumping valve 410 is opened by the suction pressure of the fluid to provide smooth pumping of the fluid, and the scattering valve 420 is closed. When the impeller 200 reverses rotation, the pumping valve 420 is closed by the scattering pressure of the fluid, and the scattering valve 420 is opened to scatter the clogging-inducing material contained in the fluid.

The clogging-inducing substance may be foreign matter, sludge, sediment, floating matter, sediment or silt, and may be various substances inducing clogging. For example, suspended matter is Styrofoam of small particles that cannot be filtered out even after passing through the contaminant filtering device of a pumping station, and sediment is a material deposited on the bottom.

In the present invention, by using the pumping valve 410 and the scattering valve 420 that are opened and closed by the fluid pressure generated by the rotational force of the impeller 200, contaminants or soil accumulated in the intake unit 320 can be removed. , it is possible to improve the discharge amount of the fluid.

The pumping valve 410 or the scattering valve 420 may be configured in a plurality of numbers as shown in FIG. 1 for pumping efficiency or scattering efficiency.

2 is an enlarged view of the pumping valve of FIG. 1, and in the present invention, the pumping valve 410 and the scattering valve 420 are structurally similar and there is a difference in the direction of the hinge 411 and the rotation pin 412. , only the structural features of the pumping valve 410 will be described.

The pumping valve 410 may include a hinge 411 , a rotation pin 412 , a support part 413 , a first separation prevention part 414 , and a second separation prevention part 415 . The rotation pin 412 is coupled to the hinge 411 to be able to rotate, and is divided into one side rotation pin located on one side and the other side rotation pin located on the other side with respect to the hinge 411 .

The support part 413 supports the lower part of the other side rotation pin. The support part 413 may support the other rotation pin to be inclined upwardly so that the other rotation pin rotates toward the first separation prevention part 414 when it is rotated in reverse.

One side rotation fin may be formed outside the intake unit 320 , and the other side rotation pin may be formed inside the intake unit 320 . The first separation prevention part 414 and the second separation prevention part 415 may be integrally manufactured together with the intake part 320 .

The first separation prevention part 414 may prevent over-rotation or separation of the other rotation pin, and the second separation prevention part 415 may prevent excessive rotation or separation of the rotation pin on the one side. Excessive rotation means excessive rotation.

The second separation prevention unit 415 may prevent over-rotation of the other side rotation pin included in the pumping valve 410 adjacent to the lower side. The present invention can continuously form a plurality of pumping valves 410, and reduce the number of escape prevention parts 414 or 415 corresponding to the number of rotation pins 412 to manufacture a pumping valve 410 Costs can be reduced, and a fragmented or simplified structure can be provided. For example, if only one rotation pin 412 is installed, the number of separation prevention parts 414 or 415 is 2, but if three rotation pins 412 are installed as shown in FIG. 1, the separation prevention part 414 or 415) is 4 instead of 6.

The pump device 10 may further include an acceleration valve 430 that is formed on the pumping valve 410 and is opened when the impeller 200 is rotated in reverse to accelerate the scattering pressure of the fluid. The acceleration valve 430 is structurally similar to the pumping valve 410 or the scattering valve 420 , and has similar opening and closing characteristics using fluid pressure, but different functional characteristics. Functionally, the pumping valve 410 provides smooth pumping of the fluid, the scattering valve 420 scatters the clogging-inducing material contained in the fluid, and the acceleration valve 430 accelerates the scattering pressure of the fluid.

In the present invention, the scattering valve 420 is opened in reverse rotation to float the sediment deposited on the floor. In the present invention, the pumping valve 410 is switched from reverse rotation to forward rotation and is opened, and can discharge the scattered clogging-inducing material or suspended sediment.

The present invention can provide efficient cleaning of the pump device 10 by removing the clogging-inducing material stuck or accumulated in the impeller 200 or the intake unit 320 through the reverse rotation of the motor 100 .

The present invention can float the sediment deposited on the floor through the reverse rotation of the motor 100 and the scattering valve 420, and discharge the suspended sediment through the forward rotation of the motor 100 and the pumping valve 410, You can clean the floor. The present invention extends the pipe for cleaning, so it is possible to discharge sediment from a distant place.

The pump device 10 may further include a non-return valve 440 and a valve operating means 450 . The non-return valve 440 is formed at one end of the pump pipe 310 and is opened by the pumping pressure of the fluid, and may be closed when the pumping pressure of the fluid is extinguished in order to prevent the reverse inflow of the fluid into the pump pipe. The pumping pressure of the fluid is equal to or similar to the suction pressure of the fluid. The non-return valve 440 may have an inner diameter shape of the pump pipe 310 , and may be closed in contact with stepped portions respectively formed in the upper and lower portions of the pump pipe 310 , and may prevent over-rotation.

The valve operating means 450 forcibly maintains the non-return valve 440 in an open state to increase the scattering pressure of the fluid when the motor 100 is reversely rotated or to block the reverse flow due to the fluctuation of the fluid level. . A description of the valve operating means 450 for increasing the scattering pressure of the fluid will be described with reference to FIG. 6 . The valve operating means 450 may forcibly fix the opening and closing of the non-return valve 440 in order to lift the pump pipe 310 including the impeller 200 .

The pump device 10 is coupled with the set position of the lifting rotation coupling part 500 and the pump pipe 310 that are fastened with the upper part of the pump pipe 310 to provide rotation of the pump pipe 310 and the pump pipe 310 It may further include a transfer unit (not shown) capable of lifting the. The transport is, for example, a hoist.

In the present invention, since the pump pipe 310 can be rotated and lifted using the lifting rotation coupling part 500 and the hoist, the impeller 200 and the intake part 320 can be lifted together.

Since the present invention can lift the body including the pump pipe 310 formed in the lower part of the motor 100, it is possible to prevent corrosion by the fluid, and it is possible to easily provide maintenance on the ground.

3 shows a pumping device for safety according to a second embodiment of the present invention, and the pumping device 10 further includes a vibration suppression means 600 and an injection means 710 . The vibration suppression means 600 connects the impeller 200 and the pump pipe 310 to suppress the vibration of the impeller 200 .

The injection means 710 is formed at a set position of the pump pipe 310 to inject a portion of the fluid pumped by the impeller 200 to the outside of the pump pipe 310 . The injection means 710 injects the fluid downward to the outside of the pump pipe 310 . In the present invention, the floating matter suspended in the water level through the injection means 710 may be sucked into the intake port 320 together with the fluid and discharged to the discharge path 330 .

Vibration suppression means 600 is formed in the lower portion of the injection means 710, the flow rate increase hole for increasing the flow rate of the pumped fluid is formed to increase the injection force of the fluid flowing into the injection means (710). The present invention can increase the injection force of the fluid flowing into the injection means 710 while suppressing the vibration of the impeller 200 through the vibration suppression means 600, and the vibration of the impeller 200 is suppressed to the impeller 200 damage can be prevented. The injection means 710 may be operated all the time.

4 shows a pumping device for safety according to a third embodiment of the present invention, wherein the pumping device 10 further includes a cover part 730 that can open and close a part of the outer wall of the pump pipe 310. can The cover part 730 can be easily opened and closed using a bolt or a lever.

Since the impeller has a very long length to hold water, such as the head of the pump, it has been difficult to remove the clogging-inducing material or foreign material caught in the impeller during the conventional pumping operation.

The present invention installs the cover part 730 that can open and close a part of the outer wall of the pump pipe 310 so that the operator can easily remove the clogging-inducing material or foreign material caught in the impeller, and the operator can easily remove the blockage-inducing material or foreign material caught in the impeller. Emergency inspections can be safely performed.

5 shows a pumping device for safety according to a fourth embodiment of the present invention, and the pumping device 10 may further include an angle adjusting means 750 . The impeller 200 may be divided into an upper impeller 201 and a lower impeller 202 .

Since it may be necessary to adjust the angle of the pump pipe 310 or the impeller 200 in response to field conditions when expanding or repairing an existing pump station, the angle adjusting means 750 connects the upper impeller 201 and the lower impeller 202. and can provide angle adjustment between the upper impeller 201 and the lower impeller 202 . The angle adjusting means 750 is, for example, a universal joint.

The present invention can reduce the resistance between the impeller 200 and the fluid in the moving direction of the fluid by adjusting the angle of the impeller 200, and can manufacture the pump pipe 310 without changing the structure of the existing pump station.

The vibration suppression means 600 is formed on the upper portion of the angle adjusting means 750 to suppress the vibration of the upper impeller 201, and is formed under the upper vibration suppressing means 610 and the angle adjusting means 750 to suppress the vibration of the lower impeller ( It may include a lower vibration suppressing means 620 for suppressing the vibration of the 202).

In the present invention, the vibration suppressing means 600 is installed on the upper and lower portions of the angle adjusting means 750 to suppress the vibration of the impeller 200, while minimizing the vibration applied to the angle adjusting means 750, the angle adjusting means 750 ) to prevent damage.

The pump pipe 310 may include an upper pump pipe 311 surrounding the upper impeller 201, a lower pump pipe 312 surrounding the lower impeller, and a connection pump pipe 313 surrounding the angle adjusting means 750. In addition, the connection pump pipe 313 may be manufactured by mixing a square and a circular pipe.

The present invention can prevent damage to the screws formed in the adjacent impellers (201, 202) by manufacturing the pump pipe 313 for connection by mixing the square and circular pipe lines.

6 is a view showing a dual pumping device according to a fifth embodiment of the present invention, the present invention can be manufactured by configuring the pumping device 10 as dual, in consideration of the water level and area, the number of dual or more is also configured can be produced, but is not limited thereto.

The dual pumping device 10 includes a first pumping unit, a second pumping unit, and a connection pipe 340 . The first pumping unit includes a first motor 100a, a first impeller 200a receiving power from the first motor 100a, and a first pump pipe 310a surrounding the first impeller 200a. The second pumping unit includes a second motor 100b, a second impeller 200b receiving power from the second motor 100b, and a second pump pipe 310b surrounding the second impeller 200b. The connection pipe 340 is formed between the first pump pipe 310a and the second pump pipe 310b.

7 is a block diagram illustrating a pumping device according to a sixth embodiment of the present invention. A single or dual pumping device 10 includes a flow rate sensor 810, a water level sensor 830 and a control unit 890. .

The flow rate sensor 810 detects the amount of fluid discharged from the first pump pipe 310a or the second pump pipe 310b. The water level sensor 830 senses the level of the fluid.

The control unit 890 stores setting information including at least one of a reference discharge amount corresponding to the motor speed, a target discharge demand amount, and a reference water level standard, and detects the discharge amount and water level, and generates sensing information and setting information. By comparison, at least one of the driving, speed, and rotational direction of the motor 100 is automatically controlled.

The reference discharge amount refers to the amount of fluid discharged over time in relation to the motor speed. The demanded discharge means a demanded amount to be discharged as a target for a set period, or a demand to be discharged to a target without a set period. The water level standard refers to the standard of the water level aimed at the target.

The controller 890 controls the operation of the first motor 100a or the second motor 100b. When the discharge amount of the first pump pipe 310a is lower than the reference discharge amount corresponding to the motor speed, the control unit 890 reversely rotates the first motor 100a and rotates the second motor 100b forward, and the connection pipe 340 ) provides the fluid pumped from the second pump pipe 310b to the first pump pipe 310a, thereby increasing the scattering pressure of the fluid with respect to the first pump pipe 310a.

The present invention by increasing the scattering pressure of the fluid to the first pump pipe (310a), it is possible to efficiently remove the clogging-inducing material caught or accumulated in the P1 pump pipe (310a) or the first intake part (320a).

A first pump pipe 310a and a second pump pipe 310b are formed on both sides of the connection pipe 340 , and a discharge path 330 through which the fluid can fall downward may be formed in front.

The pumping device 10 includes a first non-return valve 440a and a second pump pipe for preventing reverse inflow of the fluid into the first pump pipe 310a between the first pump pipe 310a and the connection pipe 340 . A second non-return valve 440b may be further included between the 310b and the connection pipe 340 to prevent reverse flow of the fluid into the second pump pipe 310b.

The discharge path 330 is formed at a position where the fluid falls, so that when the fluid flows from the second pump pipe 310b to the first pump pipe 310a, the second pump pipe is connected to the discharge path 330. The fluid in (310b) hardly flows. In a method for the fluid to fall into the discharge path 330 , the fluid of the first pump pipe 310a and the second pump pipe 310b collides with the fluid to fall to the discharge path 330 , and either pump pipe is closed. As a result, the fluid on the other side may fall while colliding with the closed pump pipe on the other side.

The first non-return valve 440a is opened by the pumping pressure of the fluid and closed when the pumping pressure of the fluid is extinguished. The pumping device 10 may further include a first valve operating means 450a for forcibly maintaining the first non-return valve 440a in an open state when the first motor 100a is reversely rotated. The first valve operating means 450a maintains the first non-return valve 440a in an open state so that the fluid of the second pump pipe 310b may be introduced into the first pump pipe 310a.

8 is a flowchart illustrating an operation method of a dual pumping device according to a seventh embodiment of the present invention, wherein the control unit 890 is the first motor 100a or the second motor 100b according to the discharge demand amount or water level standard of the fluid. ) to determine the drive or speed, and monitor whether there is an abnormality in the discharge amount of the first pump pipe 310a or the second pump pipe 310b to determine the rotation direction of the first motor 100a or the second motor 100b By doing so, the fluid pressure of the first pump pipe 310a or the second pump pipe 310b is controlled.

The control unit 890 controls the speed of the first motor 100a or the second motor 100b by sensing the amount of fluid discharged from the first pump pipe 310a or the second pump pipe 310b and the level of the fluid. can

The present invention compares the sensing information with the setting information and automatically controls at least one of the driving, speed, and rotational direction of the motor 100, thereby removing the clogging-inducing material trapped or accumulated in the impeller 200 or the intake unit 320. It is possible to improve the discharge amount of the fluid, and it is possible to suppress the occurrence of vibration due to the eddy current through the speed control of the motor 100 .

Referring back to FIG. 7 , the control unit 890 controls the power supply of the motor 100 using the electricity supply facility 20 , and uses the gas sensor 850 installed in the power supply facility 20 to supply electricity. (20) can detect the fire signs.

9 is an example showing a multi-function cable, the motor 100 such as the first motor 100a and the second motor 100b is a multi-function cable 900 consisting of a power supply line 913 and gas pipes 911 and 912. Moisture inside can be removed in the process of discharging gas by using it.

The gas pipe includes a gas injection pipe 911 for injecting gas into the motor 100 and a gas discharge pipe 912 for discharging gas and moisture inside the motor 100 . The power supply line 913 is a three-phase, four-wire type such as L1 (913a), L2 (913b), L3 (913c) and L4 (913d).

The multi-function cable 900 may have one end connected to the motor 100 and the other end connected to a space in which a power supply unit (not shown), a control unit 890 or a gas sensor 850 is located.

The gas sensor 850 is formed in a set space of the electricity supply facility 20 and can detect a gas related to a fire sign that is naturally introduced, and detects gas or moisture transmitted through the multi-function cable 900 to the motor ( 100) can detect abnormal symptoms.

The electricity supply facility 20 may include a conductor and an insulating material for supplying electricity, and gas may be generated due to oxidation of the conductor or deterioration of the insulating material, and fire signs may be detected through the gas sensor 850 and the control unit 890 . can detect

The control unit 890 may provide monitoring information to the set manager terminal 30 by integrally monitoring the discharge amount, fire signs, and abnormal signs. The monitoring information may be information on discharge amount, fire signs, or abnormal signs, and may be information for solving problems occurring through monitoring.

The control unit 890 may provide monitoring information to the manager terminal 30 by generating monitoring information for each operation step. For example, the method of providing monitoring information is a text transmitter.

In the present invention, since a plurality of elements can be integrated or automatically monitored through the control unit 890, monitoring efficiency can be further improved, and monitoring information is provided to the manager terminal 30 to take precautionary measures for safety or disaster prevention. can provide

For reference, FIGS. 1 to 3 and 5 are examples illustrating that the motor 100 rotates forward, FIG. 4 is an example illustrating the motor 100 reverse rotation, and FIG. 6 is a first motor 100a. This is an example showing that reverse rotates and the second motor 100b rotates forward.

10: pumping device 20: electricity supply facility
30: manager terminal 100: motor
100a: first motor 100b: second motor
200: impeller 200a: first impeller
200b: second impeller 310: pump pipe
310a: first pump pipe 310b: second pump pipe
311: upper pump pipe 312: lower pump pipe
313: pump pipe for connection 320: intake
320a: first intake portion 320b: second intake portion
330: discharge path 340: connector
410: pumping valve 410a: first pumping valve
410b: second pumping valve 411: hinge
412: rotation pin 413: support
414: first separation prevention part 415: second separation prevention part
420: scattering valve 420a: first scattering valve
420b: second scattering valve 430: acceleration valve
430a: first accelerating valve 430b: second accelerating valve
440: non-return valve 440a: first non-return valve
440b: second non-return valve 450: valve operating means
450a: first valve operating means 450b: second valve operating means
500: lifting rotation fastening part 500a: first lifting rotation fastening part
500b: second lifting rotation fastening part 600: vibration suppression means
610: upper vibration suppression means 620: lower vibration suppression means
710: injection means 730: cover part
750: angle adjustment means 810: flow rate sensor
830: water level sensor 850: gas sensor
890: control unit 900: multi-function cable
911: gas inlet pipe 912: gas outlet pipe
913: power supply line

Claims (6)

a first pumping unit comprising a first motor (100a), a first impeller receiving power from the first motor (200a), and a first pump pipe (310a) surrounding the first impeller;
a second pumping unit comprising a second motor (100b), a second impeller receiving power from the second motor (200b), and a second pump pipe (310b) surrounding the second impeller;
a connection pipe 340 formed between the first pump pipe and the second pump pipe;
A flow rate sensor 810 for detecting the amount of fluid discharged from the first pump pipe or the second pump pipe, and
Including a control unit 890 for controlling the operation of the first motor or the second motor,
When the discharge amount of the first pump tube is lower than the reference discharge amount corresponding to the motor speed, the control unit reversely rotates the first motor and rotates the second motor forward, and the connection tube transmits the fluid pumped from the second pump tube to the first Provided as a pump pipe,
Dual pumping device, characterized in that increasing the scattering pressure of the fluid to the first pump pipe. According to claim 1,
A first pump pipe and a second pump pipe are formed on both sides of the connection pipe, and a discharge path 330 through which the fluid can fall downward is formed in the front,
A first non-return valve 440a for preventing reverse flow of the fluid into the first pump pipe between the first pump pipe and the connecting pipe, and a second pump pipe between the second pump pipe and the connecting pipe. Dual pumping device, characterized in that it further comprises a second non-return valve (440b) for preventing the inflow. 3. The method of claim 2,
The first non-return valve is opened by the pumping pressure of the fluid, and is closed when the pumping pressure of the fluid is extinguished,
The dual pumping device further comprising a first valve operating means (450a) for forcibly maintaining the first non-return valve in an open state when the first motor is reversely rotated. a first pumping unit comprising a first motor, a first impeller receiving power from the first motor, and a first pump pipe surrounding the first impeller;
a second pumping unit comprising a second motor, a second impeller receiving power from the second motor, and a second pump pipe surrounding the second impeller;
a connection pipe formed between the first pump pipe and the second pump pipe;
a flow rate sensor for detecting the amount of fluid discharged from the first pump pipe or the second pump pipe;
A water level sensor 830 for detecting the level of the fluid, and
A control unit for storing setting information including at least one of a reference discharge amount corresponding to the motor speed, a target discharge demand amount, and a water level standard serving as a reference,
The controller compares the sensing information generated by sensing the discharge amount and the water level with the setting information to automatically control at least one of driving, speed, and rotation direction of the motor. a first pumping unit comprising a first motor, a first impeller receiving power from the first motor, and a first pump pipe surrounding the first impeller;
a second pumping unit comprising a second motor, a second impeller receiving power from the second motor, and a second pump pipe surrounding the second impeller;
a connection pipe formed between the first pump pipe and the second pump pipe;
a flow rate sensor for detecting the amount of fluid discharged from the first pump pipe or the second pump pipe; and
In the operating method of the dual pumping device comprising a control unit for controlling the operation of the first motor or the second motor,
determining, by the control unit, the driving or speed of the first motor or the second motor based on the discharge demand amount or the water level standard of the fluid;
Including the step of determining the rotation direction of the first motor or the second motor by monitoring whether there is an abnormality in the discharge amount of the first pump pipe or the second pump pipe,
The operating method of the dual pumping device, characterized in that for controlling the fluid pressure of the first pump pipe or the second pump pipe. 6. The method of claim 5,
The control unit controls the power supply of the motor using the electricity supply facility 20, and detects fire signs of the electricity supply facility using the gas sensor 850 installed in the power supply facility,
The first motor and the second motor use a multi-function cable composed of a power supply line and a gas pipe to remove moisture inside while the gas is discharged,
The gas sensor is used to monitor fire signs of electricity supply facilities and abnormal signs of motors,
The method of operation of the dual pumping device, characterized in that the control unit provides monitoring information to the set manager terminal (30) by integrally monitoring the discharge amount, fire signs, and abnormal signs.

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