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CN112555137A - Water pump control system - Google Patents

Water pump control system Download PDF

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Publication number
CN112555137A
CN112555137A CN202011464698.4A CN202011464698A CN112555137A CN 112555137 A CN112555137 A CN 112555137A CN 202011464698 A CN202011464698 A CN 202011464698A CN 112555137 A CN112555137 A CN 112555137A
Authority
CN
China
Prior art keywords
water
pump
control system
water pump
pump control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011464698.4A
Other languages
Chinese (zh)
Inventor
张君波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Junhe Intelligent Technology Co ltd
Original Assignee
Ningbo Junhe Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Junhe Intelligent Technology Co ltd filed Critical Ningbo Junhe Intelligent Technology Co ltd
Priority to CN202011464698.4A priority Critical patent/CN112555137A/en
Publication of CN112555137A publication Critical patent/CN112555137A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06Control using electricity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00Pumping installations or systems
    • F04B23/04Combinations of two or more pumps
    • F04B23/08Combinations of two or more pumps the pumps being of different types
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00Pumping installations or systems
    • F04B23/04Combinations of two or more pumps
    • F04B23/08Combinations of two or more pumps the pumps being of different types
    • F04B23/14Combinations of two or more pumps the pumps being of different types at least one pump being of the non-positive-displacement type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0005Control, e.g. regulation, of pumps, pumping installations or systems by using valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0088Testing machines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/08Sealings
    • F04D29/086Sealings especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/18Rotors
    • F04D29/22Rotors specially for centrifugal pumps
    • F04D29/2205Conventional flow pattern
    • F04D29/2222Construction and assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/40Casings; Connections of working fluid
    • F04D29/42Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/02Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid
    • F04F5/10Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being liquid displacing liquids, e.g. containing solids, or liquids and elastic fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46Arrangements of nozzles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04FPUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/48Control

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses a water pump control system which comprises a water pump, a motor, a manual switching device, a controller, an inductor, an electromagnetic valve and a wireless communication device, wherein the inductor and the electromagnetic valve are arranged on the water pump, the control system is electrically connected with the inductor, the manual switching device and the electromagnetic valve respectively, and the controller is communicated with the wireless communication device. The water pump controller obtained by the invention realizes the switching between the centrifugal pump and the jet pump of the water pump, and is convenient and quick, high in reliability, exquisite and durable.

Description

Water pump control system
Technical Field
The invention relates to a water pump, in particular to a water pump control system.
Background
Most water pump can't realize centrifugal pump and jet pump's function simultaneously in the existing market, if the consumer needs centrifugal pump and jet pump, then need both to purchase simultaneously, waste time and energy, some water pump in addition can realize centrifugal pump and jet pump's function in the market, but only can use one of them function when using, can not switch at any time in the course of the work, also can't adjust water pump flow in a flexible way, the lift changes, can't adapt to complicated operational environment requirement.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide a water pump control system for automatically switching a centrifugal pump and a jet pump.
In order to achieve the purpose, the water pump control system comprises a water pump, a motor, a manual switching device, a controller, an inductor, an electromagnetic valve and a wireless communication device, wherein the inductor and the electromagnetic valve are arranged on the water pump, the controller is electrically connected with the inductor, the manual switching device and the electromagnetic valve respectively, and the controller is communicated with the wireless communication device.
For better use water pump, the water pump includes pump body shell and pump body inner chamber, be equipped with water inlet, delivery port on the pump body shell, the water inlet is linked together with the intake chamber, pump body inner chamber is equipped with impeller, ejector, the impeller is connected with the motor, the ejector includes into the water cavity, with the nozzle passageway, diffusion passageway, the kuppe that pump body inner chamber is linked together, the nozzle passageway sets up on the intake cavity, intake cavity intercommunication diffusion passageway, the solenoid valve sets up on the pump body shell and with controller electrical connection, the solenoid valve includes case, blocking body, the blocking body sets up on the end of case, the blocking body is located nozzle passageway department and mutually supports with nozzle passageway department.
In order to detect data of the water flow at the water outlet, the sensor comprises a flow sensor.
In order to detect data of the water flow at the water outlet, the sensor comprises a pressure sensor.
In order to enable the electromagnetic valve to have a better sealing effect, a sealing structure is arranged between the electromagnetic valve and the pump body shell, and a sealing ring is arranged on the blocking body.
In order to better discharge water, a water filling opening and a water discharge opening are arranged on the pump body shell, a water filling opening plug is arranged on the water filling opening, and a water discharge opening plug is arranged on the water discharge opening.
In order to make the water flow acceleration effect better, the impeller comprises an impeller body and a cover plate, and a fixing groove and a positioning hole for fixing the impeller body are formed in the cover plate.
The water pump control system obtained by the invention utilizes the electromagnetic valve to realize the switching of the centrifugal pump and the jet pump of the water pump, is convenient and quick, has high reliability, is exquisite and durable, can be switched into the mode of the centrifugal pump and the mode of the jet pump at any time by a user according to the use condition of the user, and has the advantages of high energy efficiency, silence, large flow, stable operation, high lift, self-priming capability and the like.
Drawings
FIG. 1 is a schematic view showing the construction of a water pump control system according to embodiment 1;
fig. 2 is a front view of the water pump in embodiment 1;
fig. 3 is a sectional view of the pump body in embodiment 1;
FIG. 4 is an enlarged view at A of FIG. 3;
fig. 5 is a sectional view of the ejector in embodiment 1;
FIG. 6 is a schematic structural view of a water pump control system according to embodiment 2;
fig. 7 is a sectional view of the pump body in embodiment 2;
FIG. 8 is a schematic view showing the structure of a water pump control system according to embodiment 3;
fig. 9 is a sectional view of the pump body in embodiment 3;
fig. 10 is an enlarged view at B in fig. 9;
FIG. 11 is a schematic view of the structure of a water pump control system according to embodiment 4;
FIG. 12 is an exploded view of an impeller in example 4;
fig. 13 is an enlarged view at C in fig. 12;
fig. 14 is a sectional view of a pump body casing in embodiment 4.
In the figure: the device comprises a pump body 1, a motor 2, a pump body shell 3, a pump body inner cavity 4, an impeller 5, a jet device 6, a water inlet 7, a water outlet 8, a water inlet chamber 9, a nozzle channel 10, a diffusion channel 11, a flow guide cover 12, an electromagnetic valve 14, a valve core 15, a sealing structure 16, a blocking body 17, a controller 18, a manual switching device 19, a sealing ring 170, a water filling opening 22, a water outlet 23, a water filling opening plug 24, a water outlet opening plug 25, a flow sensor 26, a pressure sensor 27, an impeller body 50, a cover plate 51, a fixing groove 52 and a positioning hole 53.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
Example 1:
the water pump control system described in this embodiment, as shown in fig. 1 to 5, includes a water pump 1, a motor 2, a manual switching device 19, a controller 18, an inductor, an electromagnetic valve 14, and a wireless communication device, where the electromagnetic valve 14 is disposed on the water pump 1, the controller 18 is electrically connected to the inductor, the manual switching device 19, and the electromagnetic valve 14, respectively, and the controller 18 is in communication with the wireless communication device.
In order to better use the water pump, the water pump 1 comprises a pump body shell 3 and a pump body inner cavity 4, the pump body shell 3 is provided with a water inlet 7 and a water outlet 8, the water inlet 7 is communicated with the water inlet chamber 9, an impeller 5 and an ejector 6 are arranged in the inner cavity 4 of the pump body, the impeller 5 is connected with the motor 2, the ejector 6 comprises a water inlet cavity 9, a nozzle channel 10 communicated with the inner cavity of the pump body inner cavity 4, a diffusion channel 11 and a flow guide cover 12, the nozzle channel 10 is arranged on the water inlet chamber 9, the water inlet chamber 9 is communicated with the diffusion channel 11, the electromagnetic valve 14 is arranged on the pump body shell 3 and is electrically connected with a controller 18, the electromagnetic valve 14 comprises a valve core 15 and a blocking body 17, the blocking body 17 is arranged on the end of the valve core 15, and the blocking body 17 is arranged at the nozzle passage 10 and is matched with the nozzle passage 10.
The manual switching device 19 is a switch.
In the embodiment, the selector switch provides three gear selections, namely a centrifugal pump mode, a jet pump mode and a centrifugal pump jet pump automatic switching mode. The relative position of the blocking body 17 and the nozzle channel 10 is controlled by the input signal of the selector switch and the control signal of the electromagnetic valve output by the controller 18, so as to realize the switching of the centrifugal pump mode, the jet pump mode and the automatic switching mode of the centrifugal pump jet pump.
In a centrifugal pump mode, the electromagnetic valve controls the blocking body 17 to block the nozzle channel 10, the impeller 5 rotates under the drive of the motor 2, external water firstly enters the water inlet chamber 9 from the water inlet 7, then flows onto the impeller 5 through the diffusion channel 11, and water flow is pressurized and accelerated to flow into the inner cavity 4 of the pump body through the impeller and flows out through the water outlet 8 through the rotation of the impeller 5;
in the jet pump mode, the electromagnetic valve 14 controls the blocking body 17 to stop the nozzle channel 10, at this time, under the driving of the motor 2, the impeller 5 rotates, external water enters the water inlet chamber 9 from the water inlet 7 first, then flows into the impeller 5 through the diffusion channel 11, water flows into the pump body inner chamber 4 through the rotation of the impeller 5, a part of the water flow in the pump body inner chamber 4 is discharged out of the water pump through the water outlet 8, the other part of the water flow flows into the nozzle channel 10, in the process of flowing into the nozzle channel 10, because the area of the nozzle channel 10 is reduced, static pressure energy of the water flow is converted into dynamic pressure energy and is mixed with the water flow flowing into the water inlet 7, because of the venturi effect, the water flow has higher dynamic pressure energy after being mixed, the speed of the water flowing into the diffusion channel 11 is higher, and the static pressure energy obtained by conversion is higher than that of the centrifugal pump mode after passing through the diffusion channel 11, thereby lifting the lift of the water pump; meanwhile, the position of the blocking body 17 relative to the nozzle channel 10 can be adjusted by controlling the valve core 15 of the electromagnetic valve 14, and the passing area of the water entering the nozzle channel 10 can be changed, so that the static pressure energy of the water flowing out of the diffusion channel 11 is changed, and the purpose of adjusting the water pump lift in the jet pump mode is achieved;
in the automatic switching mode of the centrifugal pump and the jet pump, the discharged water flow is detected by the sensor, the sensor data is sent to the controller 18 in real time, and the controller 18 controls the electromagnetic valve 14, so that the electromagnetic valve 14 can adjust the relative position of the blocking body 17 and the nozzle channel 10, and the centrifugal pump and the jet pump can be switched at any time in the operation process.
The water pump control system that this embodiment provided utilizes the solenoid valve, has realized the switching of the centrifugal pump of water pump and jet pump, and convenient and fast, the reliability is high, and is exquisite durable, and the user can switch centrifugal pump and jet pump mode at any time according to the in service behavior of oneself completely, has high energy efficiency, quiet, large-traffic, operates steadily and high-lift, can inhale advantages such as by oneself.
Example 2:
as shown in fig. 6 and 7, in the water pump control system described in this embodiment, in addition to the features described in embodiment 1, in order to better discharge water, a water filling port 22 and a water discharge port 23 are provided on the pump body housing 3, a water filling port plug 24 is provided on the water filling port 22, and a water discharge port plug 25 is provided on the water discharge port 23.
In order to detect the data of the water flow at the water outlet, a sensor electrically connected with the controller 18 is arranged at the water outlet 8, and the sensor comprises a flow sensor 26.
In the embodiment, when the water pump is used, water can be filled through the filling opening 22, so that the service life of the water pump is prolonged; when the water pump is not used, water in the inner cavity 4 of the pump body is discharged through the water outlet 23, and the water pump is better stored.
The water pump control system that this embodiment provided, intelligent degree is high, makes things convenient for the discharge water, has made things convenient for the raise dust of water pump control system spun rivers, has made things convenient for control.
Example 3:
the water pump control system described in this embodiment, as shown in fig. 8 to 10, is different from that described in embodiment 2 in that, in order to detect the data of the water flow at the water gap, a sensor electrically connected to the controller 18 is provided at the water outlet 8, and the sensor includes a pressure sensor 27.
In order to provide better sealing effect for the solenoid valve, a sealing structure 16 is provided between the solenoid valve 14 and the pump body housing 3, and a sealing ring 170 is provided on the blocking body 17.
In the water pump control system provided in this embodiment, the sealing structure 16 enables the electromagnetic valve 14 to have a better sealing effect with the pump body housing 3, and when the blocking body 17 is closed with the nozzle passage 10, the sealing ring 170 also enables the blocking body 17 to have a better sealing effect with the nozzle passage 10.
Example 4:
as shown in fig. 11 to 14, in the water pump control system described in this embodiment, in addition to the features described in embodiment 3, in order to make the water flow acceleration effect better, the impeller 5 includes an impeller body 50 and a cover plate 51, and the cover plate 51 is provided with a fixing groove 52 and a positioning hole 53 for fixing the impeller body 50.
The difference from the embodiment 2 is that in order to detect the data of the water flow of the water gap, a sensor electrically connected with the controller 18 is arranged at the water outlet 8, and the sensor comprises a pressure sensor 27 and a flow sensor 26.
The pressure sensor 27 and the flow sensor 26 work together to monitor the water flow in two dimensions, so that the control effect is more accurate.

Claims (10)

1. The water pump control system comprises a water pump (1), a motor (2), a manual switching device (19), a controller (18), an inductor, an electromagnetic valve (14) and a wireless communication device, and is characterized in that the electromagnetic valve (14) is arranged on the water pump (1), the controller (18) is electrically connected with the inductor, the manual switching device (19) and the electromagnetic valve (14) respectively, and the controller (18) is communicated with the wireless communication device.
2. The water pump control system according to claim 1, wherein the water pump (1) comprises a pump body housing (3) and a pump body inner cavity (4), the pump body housing (3) is provided with a water inlet (7) and a water outlet (8), the water inlet (7) is communicated with a water inlet chamber (9), the pump body inner cavity (4) is internally provided with an impeller (5) and an ejector (6), the impeller (5) is connected with the motor (2), the ejector (6) comprises a water inlet chamber (9), a nozzle channel (10) communicated with the inner cavity of the pump body inner cavity (4), a diffusion channel (11) and a flow guide cover (12), the water pump control system is characterized in that the nozzle channel (10) is arranged on the water inlet chamber (9), the water inlet chamber (9) is communicated with the diffusion channel (11), the electromagnetic valve (14) is arranged on the pump body housing (3) and is electrically connected with the controller (18), the electromagnetic valve (14) comprises a valve core (15) and a blocking body (17), wherein the blocking body (17) is arranged at the tail end of the valve core (15), and the blocking body (17) is positioned at the nozzle channel (10) and is matched with the nozzle channel (10).
3. A water pump control system according to claim 1 or 2, wherein the sensor comprises a flow sensor (26).
4. A water pump control system according to claim 1 or 2, wherein the sensor comprises a pressure sensor (27).
5. A pump control system according to claim 1 or 2, characterized in that a sealing structure (16) is provided between the solenoid valve and the pump body housing, and a sealing ring (170) is provided on the blocking body (17).
6. A pump control system according to claim 3, characterized in that a sealing structure (16) is provided between the solenoid valve and the pump body housing, and a sealing ring (170) is provided on the blocking body (17).
7. The pump control system according to claim 4, wherein a sealing structure (16) is arranged between the electromagnetic valve and the pump body shell, and a sealing ring (170) is arranged on the blocking body (17).
8. The water pump control system according to claim 1 or 2, wherein the pump body housing (3) is provided with a water filling opening (22) and a water discharge opening (23), the water filling opening (22) is provided with a water filling opening plug (24), and the water discharge opening (23) is provided with a water discharge opening plug (25).
9. The water pump control system according to claim 6, wherein the pump body housing (3) is provided with a water filling opening (22) and a water discharge opening (23), the water filling opening (22) is provided with a water filling opening plug (24), and the water discharge opening (23) is provided with a water discharge opening plug (25).
10. The water pump control system according to claim 1 or 2, wherein the impeller (5) comprises an impeller body (50) and a cover plate (51), and the cover plate (51) is provided with a fixing groove (52) and a positioning hole (53) for fixing the impeller body (50).
CN202011464698.4A 2020-12-14 2020-12-14 Water pump control system Pending CN112555137A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011464698.4A CN112555137A (en) 2020-12-14 2020-12-14 Water pump control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011464698.4A CN112555137A (en) 2020-12-14 2020-12-14 Water pump control system

Publications (1)

Publication Number Publication Date
CN112555137A true CN112555137A (en) 2021-03-26

Family

ID=75064264

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011464698.4A Pending CN112555137A (en) 2020-12-14 2020-12-14 Water pump control system

Country Status (1)

Country Link
CN (1) CN112555137A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941474A (en) * 1956-08-20 1960-06-21 Fairbanks Morse & Co Self-priming pumping apparatus
EP0361329A1 (en) * 1988-09-26 1990-04-04 CALPEDA S.p.A. Self-priming jet pump with built-in ejector
JPH0577597U (en) * 1992-03-27 1993-10-22 株式会社荏原製作所 Jet pump
US5474418A (en) * 1993-09-25 1995-12-12 Asv Stubbe Gmbh & Co. Kg Self-priming centrifugal pump
ES2168205A1 (en) * 2000-03-27 2002-06-01 Bogemar Sl Auto aspirating centrifugal pump
CN105179255A (en) * 2015-10-20 2015-12-23 芜湖环球汽车配件有限公司 Self-priming jet pump
CN205559298U (en) * 2016-04-18 2016-09-07 台州阳春机电有限公司 Automatic jet pump
CN205744629U (en) * 2016-06-15 2016-11-30 江苏大学 A kind of ejector improving jet-type centrifugal pump cavitation performance
CN206221288U (en) * 2016-11-17 2017-06-06 江苏国泉泵业制造有限公司 A kind of internal-mixing self priming pump with permanent magnetic valve
CN207064252U (en) * 2017-08-16 2018-03-02 利欧集团浙江泵业有限公司 A kind of jet pump
CN207673553U (en) * 2017-12-30 2018-07-31 颜军辉 A kind of self-priming high suction depth high-lift centrifugal pump
WO2018155762A1 (en) * 2017-02-22 2018-08-30 (주)엘넷 Centrifugal jet pump
WO2020013729A1 (en) * 2018-07-10 2020-01-16 Yazykov Andrey Yurievich Centrifugal pump
CN111828340A (en) * 2020-06-17 2020-10-27 普轩特泵业股份有限公司 High-efficiency energy-saving self-suction centrifugal hydraulic system

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2941474A (en) * 1956-08-20 1960-06-21 Fairbanks Morse & Co Self-priming pumping apparatus
EP0361329A1 (en) * 1988-09-26 1990-04-04 CALPEDA S.p.A. Self-priming jet pump with built-in ejector
JPH0577597U (en) * 1992-03-27 1993-10-22 株式会社荏原製作所 Jet pump
US5474418A (en) * 1993-09-25 1995-12-12 Asv Stubbe Gmbh & Co. Kg Self-priming centrifugal pump
ES2168205A1 (en) * 2000-03-27 2002-06-01 Bogemar Sl Auto aspirating centrifugal pump
CN105179255A (en) * 2015-10-20 2015-12-23 芜湖环球汽车配件有限公司 Self-priming jet pump
CN205559298U (en) * 2016-04-18 2016-09-07 台州阳春机电有限公司 Automatic jet pump
CN205744629U (en) * 2016-06-15 2016-11-30 江苏大学 A kind of ejector improving jet-type centrifugal pump cavitation performance
CN206221288U (en) * 2016-11-17 2017-06-06 江苏国泉泵业制造有限公司 A kind of internal-mixing self priming pump with permanent magnetic valve
WO2018155762A1 (en) * 2017-02-22 2018-08-30 (주)엘넷 Centrifugal jet pump
CN207064252U (en) * 2017-08-16 2018-03-02 利欧集团浙江泵业有限公司 A kind of jet pump
CN207673553U (en) * 2017-12-30 2018-07-31 颜军辉 A kind of self-priming high suction depth high-lift centrifugal pump
WO2020013729A1 (en) * 2018-07-10 2020-01-16 Yazykov Andrey Yurievich Centrifugal pump
CN111828340A (en) * 2020-06-17 2020-10-27 普轩特泵业股份有限公司 High-efficiency energy-saving self-suction centrifugal hydraulic system

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