CN112049802A - Water pump energy-saving control system - Google Patents
Water pump energy-saving control system Download PDFInfo
- Publication number
- CN112049802A CN112049802A CN202010713099.5A CN202010713099A CN112049802A CN 112049802 A CN112049802 A CN 112049802A CN 202010713099 A CN202010713099 A CN 202010713099A CN 112049802 A CN112049802 A CN 112049802A
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- China
- Prior art keywords
- power supply
- energy
- pump
- motor
- electric quantity
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0005—Control, e.g. regulation, of pumps, pumping installations or systems by using valves
- F04D15/0022—Control, e.g. regulation, of pumps, pumping installations or systems by using valves throttling valves or valves varying the pump inlet opening or the outlet opening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
Abstract
The invention belongs to the related field of water pumps, and particularly discloses an energy-saving control system of a water pump, which comprises a power supply box and a pump shell, wherein a solar power supply mechanism is arranged on the power supply box, and a first power supply, a second power supply and a PLC integrated circuit board are arranged in the power supply box; the output end of the motor is connected with the impeller through a driving shaft, and a damping adjusting mechanism for damping and buffering the driving shaft is arranged in the pump shell; a flow control valve is arranged on the water inlet of the pump body; the PLC integrated circuit board is provided with a master control driving unit, a variable frequency controller, an electric quantity monitoring unit and a power supply switching unit in an integrated mode. The solar energy power supply system can preferentially use solar energy for power supply, and switch to an external circuit for power supply when the electric quantity is insufficient; the damping adjusting mechanism can adjust the damping intensity according to the rotating speed of the motor and reduce the energy loss; the frequency conversion controller is matched with the flow control valve at the water inlet, so that the frequency conversion speed regulation can be carried out on the motor according to the flow setting size, the extra power consumption is reduced, and the obvious energy-saving effect is achieved.
Description
Technical Field
The invention relates to the field of water pumps, in particular to an energy-saving control system for a water pump.
Background
Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal. The water pump is widely applied to the fields of urban water supply, sewage systems, civil engineering, building systems, agricultural water conservancy systems, power station systems, chemical engineering systems, petroleum industry systems, mine metallurgy systems, light industrial systems, ship systems and the like.
The water supply pump is essential to be used as high-power consumption equipment for energy-saving transformation; meanwhile, in the process of high-speed operation of the motor in the water pump, the vibration amplitude of a driving shaft of the motor is too large, so that the energy loss is increased to a certain extent, the water supply efficiency of the water pump is influenced, and the energy-saving effect is poor.
Disclosure of Invention
The invention aims to provide an energy-saving control system of a water pump, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a water pump energy-saving control system comprises a power supply box and a pump shell which are fixed on a base in a centralized mode, wherein a solar power supply mechanism is arranged on the power supply box, and a first power supply, a second power supply and a PLC integrated circuit board are arranged in the power supply box; the pump shell is internally provided with a motor and a pump body which are distributed at two ends of the pump shell, the pump body is internally provided with an impeller, the output end of the motor is connected with the impeller through a driving shaft, and the pump shell is internally provided with a damping adjusting mechanism for damping and buffering the driving shaft; the pump body is respectively provided with a water outlet and a water inlet, and a flow control valve is arranged on the water inlet; the PLC integrated circuit board is provided with a master control driving unit, a variable frequency controller, an electric quantity monitoring unit and a power supply switching unit in an integrated mode.
Preferably, the solar power supply mechanism comprises a support, a solar panel and reinforcing rods, the support is vertically installed at the top of the power supply box, the solar panel is at least provided with two solar panels, the solar panels are obliquely arranged on two sides of the support, and the solar panel and the support are fixedly connected through the reinforcing rods.
Preferably, the output end of the solar cell panel is connected with the input end of the first power supply, the output ends of the first power supply and the second power supply are respectively electrically connected with the motor, and the second power supply is connected with the external circuit.
Preferably, shock attenuation adjustment mechanism includes splint, connecting rod, lagging, compression spring and electric telescopic handle, splint are provided with two, are the relative circular arc curved surface structure of opening, and the symmetry cladding is in the drive shaft both sides respectively, and two splint pass through connecting rod and pump case inner wall rigid coupling, and a lagging is established to the slip cap respectively on two connecting rods, overlaps on the connecting rod between lagging and the splint and establishes compression spring, installs an electric telescopic handle respectively on the pump case inner wall of each connecting rod both sides, and electric telescopic handle's output is connected with the splint that correspond perpendicularly respectively.
Preferably, the variable frequency controller is connected with a control end of the motor, and the main control driving unit is respectively connected with the flow control valve and the control end of the variable frequency controller and is used for carrying out variable frequency speed regulation on the motor according to the flow of the water inlet.
Preferably, electric quantity monitoring unit and first power electric connection, master control drive unit are connected with the control end of electric quantity monitoring unit, power switching unit respectively for the electric quantity of monitoring first power, and with electric quantity signal transmission to master control drive unit, when the electric quantity was low excessively, switch over the power supply end of motor to the second power through power switching unit and supply power.
Preferably, the main control driving unit is connected with the control end of the electric telescopic rod and is used for controlling the telescopic stroke of the electric telescopic rod according to a variable frequency speed regulation signal of the variable frequency controller, so that the damping strength of the damping adjusting mechanism is adjusted.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the solar energy power supply system, two groups of power supplies are arranged, one group is directly supplied with power by an external circuit, the other group is converted and stored by the solar cell panel to supply power, solar energy can be preferentially used for supplying power under the matching of the electric quantity monitoring unit and the power supply switching unit, and the external circuit is switched to supply power when the electric quantity is insufficient, so that solar energy resources can be fully utilized, and the solar energy power supply system is energy-saving and environment-friendly.
2. The invention arranges the damping adjusting mechanism of the driving shaft in the pump shell, and can adjust the damping intensity according to the rotating speed of the motor, so that the driving shaft is always kept in a stable state, the energy loss is effectively reduced, and the working efficiency of the water pump is improved.
3. According to the invention, the variable frequency controller is arranged on the PLC integrated circuit board and is matched with the flow control valve at the water inlet for use, so that the variable frequency speed regulation can be carried out on the motor according to the set flow, the extra power consumption is reduced, and the remarkable energy-saving effect is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the power box in a top view according to the present invention;
FIG. 3 is a schematic view of the adjusting mechanism according to the present invention;
fig. 4 is a schematic diagram of a specific connection structure of the PLC ic board according to the present invention.
In the figure: 1. a base; 2. a power supply box; 3. a pump housing; 4. a support; 5. a solar panel; 6. and a reinforcing rod; 7. an electric motor; 8. a pump body; 9. an impeller; 10. a drive shaft; 11. a water outlet; 12. a water inlet; 13. a flow control valve; 14. a first power supply; 15. a second power supply; 16. a PLC integrated circuit board; 17. a master control drive unit; 18. a variable frequency controller; 19. an electric quantity monitoring unit; 20. a power switching unit; 21. a splint; 22. a connecting rod; 23. sheathing; 24. a compression spring; 25. an electric telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example 1: referring to fig. 1-4, the present invention provides a technical solution: a water pump energy-saving control system comprises a power supply box 2 and a pump shell 3 which are fixed on a base 1 in a centralized mode, wherein a solar power supply mechanism is arranged on the power supply box 2, and a first power supply 14, a second power supply 15 and a PLC integrated circuit board 16 are arranged in the power supply box 2; the motor 7 and the pump body 8 which are distributed at two ends of the pump shell 3 are arranged in the pump shell 3, the impeller 9 is arranged in the pump body 8, the output end of the motor 7 is connected with the impeller 9 through the driving shaft 10, and the damping adjusting mechanism which is used for damping and buffering the driving shaft 10 is arranged in the pump shell 3; the pump body 8 is respectively provided with a water outlet 11 and a water inlet 12, and the water inlet 12 is provided with a flow control valve 13; the PLC integrated circuit board 16 is integrally provided with a main control driving unit 17, a frequency conversion controller 18, an electric quantity monitoring unit 19 and a power supply switching unit 20.
In this embodiment, solar energy power supply mechanism includes support 4, solar cell panel 5 and stiffener 6, and support 4 is vertical to be installed at 2 tops of power box, and solar cell panel 5 is provided with two at least, and the slope sets up in support 4 both sides, is connected fixedly through stiffener 6 between solar cell panel 5 and the support 4.
In this embodiment, the output end of the solar cell panel 5 is connected to the input end of the first power supply 14, the output ends of the first power supply 14 and the second power supply 15 are respectively electrically connected to the motor 7, and the second power supply 15 is connected to the external circuit.
In this embodiment, the electric quantity monitoring unit 19 is electrically connected to the first power supply 14, the main control driving unit 17 is respectively connected to the electric quantity monitoring unit 19 and the control end of the power switching unit 20, and is configured to monitor the electric quantity of the first power supply 14, send an electric quantity signal to the main control driving unit 17, and switch the power supply end of the motor 7 to the second power supply 15 for supplying power through the power switching unit 20 when the electric quantity is too low; solar energy can be preferentially used for power supply, and the power supply is switched to an external circuit for power supply when the electric quantity is insufficient, so that solar energy resources can be fully utilized, and the solar energy-saving and environment-friendly effects are achieved.
Example 2: as shown in fig. 3, the damping adjustment mechanism includes two clamping plates 21, two connecting rods 22, two sleeve plates 23, two compression springs 24 and electric telescopic rods 25, the two clamping plates 21 are provided with arc curved surface structures with opposite openings, and are symmetrically coated on two sides of the driving shaft 10 respectively, the two clamping plates 21 are fixedly connected with the inner wall of the pump shell 3 through the connecting rods 22, the two connecting rods 22 are respectively sleeved with the two sleeve plates 23 in a sliding manner, the compression springs 24 are sleeved on the connecting rods 22 between the sleeve plates 23 and the clamping plates 21, the inner walls of the pump shell 3 on two sides of each connecting rod 22 are respectively provided with one electric telescopic rod 25, and the output ends of the electric telescopic rods 25 are respectively vertically connected with the corresponding clamping.
In this embodiment, the main control driving unit 17 is connected to the control end of the electric telescopic rod 25, and is configured to control the telescopic stroke of the electric telescopic rod 25 according to the variable frequency speed control signal of the variable frequency controller 18, so as to adjust the damping strength of the damping adjusting mechanism.
Writing the corresponding relation between the rotating speed of the motor 7 and the telescopic stroke of the electric telescopic rod 25 in the PLC integrated circuit board 16 in advance, acquiring the rotating speed data of the motor 7 by the main control driving unit 17 through a control signal of the variable frequency controller 18, controlling the electric telescopic rod 25 to start according to the data signal, adjusting to the corresponding telescopic stroke, pushing the sleeve plate 13 to move, changing the position of the sleeve plate on the connecting rod 22, adjusting the compression degree of the compression spring 24, adjusting the damping strength of the damping adjusting mechanism, keeping the driving shaft in a stable state all the time, effectively reducing the energy loss and improving the working efficiency of the water pump.
Example 3: the variable frequency controller 18 is connected with the control end of the motor 7, and the main control driving unit 17 is respectively connected with the flow control valve 13 and the control end of the variable frequency controller 18, and is used for carrying out variable frequency speed regulation on the motor 7 according to the flow of the water inlet 12.
Writing the corresponding relation between the flow at the water inlet 12 and the rotating speed of the motor 7 in the PLC integrated circuit board 16 in advance, monitoring a flow signal at the water inlet 12 in real time by the flow control valve 13, sending data to the main control driving unit 17, starting the variable frequency controller 18 by the main control driving unit 17 according to the stored corresponding relation, adjusting the rotating speed of the motor 7, reducing extra power consumption and having a remarkable energy-saving effect.
It is worth noting that: the whole device realizes control to the main control driving unit 17, and since the control matched equipment is common equipment, the device belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure are not repeated herein.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A water pump energy-saving control system comprises a power supply box (2) and a pump shell (3) which are fixed on a base (1) in a centralized mode, and is characterized in that a solar power supply mechanism is arranged on the power supply box (2), and a first power supply (14), a second power supply (15) and a PLC integrated circuit board (16) are arranged in the power supply box (2); the motor (7) and the pump body (8) which are distributed at two ends of the pump shell (3) are arranged in the pump shell, the impeller (9) is arranged in the pump body (8), the output end of the motor (7) is connected with the impeller (9) through the driving shaft (10), and the damping adjusting mechanism which is used for damping and buffering the driving shaft (10) is arranged in the pump shell (3); a water outlet (11) and a water inlet (12) are respectively arranged on the pump body (8), and a flow control valve (13) is arranged on the water inlet (12); the PLC integrated circuit board (16) is provided with a master control driving unit (17), a variable frequency controller (18), an electric quantity monitoring unit (19) and a power supply switching unit (20) in an integrated mode.
2. The energy-saving control system of the water pump as claimed in claim 1, wherein: the solar power supply mechanism comprises a support (4), solar panels (5) and reinforcing rods (6), wherein the support (4) is vertically installed at the top of the power supply box (2), the number of the solar panels (5) is at least two, the solar panels are obliquely arranged on two sides of the support (4), and the solar panels (5) and the support (4) are fixedly connected through the reinforcing rods (6).
3. The energy-saving control system of the water pump as claimed in claim 2, wherein: the output end of the solar cell panel (5) is connected with the input end of the first power supply (14), the output ends of the first power supply (14) and the second power supply (15) are respectively electrically connected with the motor (7), and the second power supply (15) is connected with an external circuit.
4. The energy-saving control system of the water pump as claimed in claim 1, wherein: damping adjustment mechanism includes splint (21), connecting rod (22), lagging (23), compression spring (24) and electric telescopic handle (25), splint (21) are provided with two, are the relative circular arc curved surface structure of opening, and the symmetry cladding is in drive shaft (10) both sides respectively, and two splint (21) pass through connecting rod (22) and pump case (3) inner wall rigid coupling, and one lagging (23) are established to the slip cover respectively on two connecting rod (22), and compression spring (24) are established to the cover on connecting rod (22) between lagging (23) and splint (21), installs an electric telescopic handle (25) on the pump case (3) inner wall of each connecting rod (22) both sides respectively, and the output of electric telescopic handle (25) is connected with splint (21) that correspond respectively perpendicularly.
5. The energy-saving control system of the water pump as claimed in claim 1, wherein: the variable frequency controller (18) is connected with the control end of the motor (7), and the main control driving unit (17) is respectively connected with the flow control valve (13) and the control end of the variable frequency controller (18) and is used for carrying out variable frequency speed regulation on the motor (7) according to the flow of the water inlet (12).
6. The energy-saving control system of the water pump as claimed in claim 1, wherein: electric quantity monitoring unit (19) and first power (14) electric connection, main control drive unit (17) are connected with electric quantity monitoring unit (19), the control end of power switching unit (20) respectively for the electric quantity of monitoring first power (14), and with electric quantity signal transmission to main control drive unit (17), when the electric quantity was low excessively, switch over the feeder ear of motor (7) to second power (15) through power switching unit (20) and supply power.
7. The energy-saving control system of the water pump as claimed in claim 1, wherein: the main control driving unit (17) is connected with the control end of the electric telescopic rod (25) and is used for controlling the telescopic stroke of the electric telescopic rod (25) according to a variable frequency speed regulation signal of the variable frequency controller (18), so that the damping strength of the damping adjusting mechanism is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713099.5A CN112049802A (en) | 2020-07-22 | 2020-07-22 | Water pump energy-saving control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010713099.5A CN112049802A (en) | 2020-07-22 | 2020-07-22 | Water pump energy-saving control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112049802A true CN112049802A (en) | 2020-12-08 |
Family
ID=73601823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010713099.5A Pending CN112049802A (en) | 2020-07-22 | 2020-07-22 | Water pump energy-saving control system |
Country Status (1)
| Country | Link |
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| CN (1) | CN112049802A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187734A (en) * | 2021-05-11 | 2021-07-30 | 浙江威邦机电科技有限公司 | Autonomous power supply type water pump |
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| CN113187734A (en) * | 2021-05-11 | 2021-07-30 | 浙江威邦机电科技有限公司 | Autonomous power supply type water pump |
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Application publication date: 20201208 |