CN106593894B - Intelligent control submersible electric pump with novel structure - Google Patents
Intelligent control submersible electric pump with novel structure Download PDFInfo
- Publication number
- CN106593894B CN106593894B CN201611150809.8A CN201611150809A CN106593894B CN 106593894 B CN106593894 B CN 106593894B CN 201611150809 A CN201611150809 A CN 201611150809A CN 106593894 B CN106593894 B CN 106593894B
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- China
- Prior art keywords
- driving motor
- water
- cavity
- control system
- submersible electric
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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
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/086—Units comprising pumps and their driving means the pump being electrically driven for submerged use the pump and drive motor are both submerged
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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
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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
- F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
- F04D15/0281—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition not otherwise provided for
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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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/5806—Cooling the drive system
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an intelligent control submersible electric pump with a novel structure, which comprises a driving motor and a pump body arranged at one end of the driving motor, wherein a top cover is arranged at the other end of the driving motor, a liquid level sensor is arranged on the top cover, an outer barrel is arranged on the outer side of a base of the driving motor, a base is arranged at one end of the pump body, an output shaft of the driving motor is connected with a rotating shaft of the pump body, at least one impeller is arranged on the rotating shaft of the pump body at intervals along the length direction of the rotating shaft, a water inlet is formed in the base, and a water outlet is formed in the pump body.
Description
Technical Field
The invention relates to the technical field of submersible electric pumps, in particular to an intelligent control submersible electric pump with a novel structure.
Background
The submersible electric pump is submerged in underground water or river, lake, sea water and other occasions to work. The water pump has the advantages of small volume, light weight, no need of water diversion before starting, no restriction of suction lift, no need of additionally arranging a pump house, convenient installation and use, reliable performance, higher efficiency, low price, investment saving and the like, and is widely applied to water taking from underground or rivers and lakes, agricultural irrigation, urban water supply, industrial and mining enterprise drainage, urban and rural building drainage, resident domestic water, urban or factory sewage and sewage treatment and the like.
When the submersible electric pump in the prior art is used for detecting water leakage, most submersible electric pumps can only detect an oil chamber but not a plurality of motor chambers, a control system cannot process the water leakage in time, and a driving motor of the submersible electric pump is extremely easy to burn; in addition, when the driving motor of the submersible electric pump in the prior art works, large heat is generated, the generated heat is difficult to dissipate, most of the heat is gathered in the driving motor, parts in the driving motor are easily burnt, and the service life of the submersible electric pump is seriously influenced; in addition, in the working process of the submersible electric pump in the prior art, because the horizontal plane is easy to idle, when the submersible electric pump is idle, the temperature in the driving motor of the submersible electric pump can be rapidly increased, parts in the driving motor are easy to burn, and the service life of the submersible electric pump is seriously influenced.
However, the intelligent control submersible electric pump is reasonable in design, simple in structure, capable of accurately detecting whether the motor cavity and the oil cavity leak water or not, low in production cost and capable of enabling the control system to timely process and enabling heat generated by the driving motor during working to timely dissipate, avoiding burning of parts inside the driving motor and effectively preventing the submersible electric pump from idling.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide the intelligent control submersible electric pump with the novel structure, which has the advantages of reasonable design, simple structure, capability of accurately detecting whether the motor cavity and the oil cavity leak water or not, low production cost, capability of enabling a control system to process in time, capability of enabling heat generated by the driving motor during working to disperse in time, capability of avoiding burning of parts in the driving motor and capability of effectively preventing the submersible electric pump from idling.
In order to solve the technical problems, the invention adopts the following technical scheme to realize:
an intelligent control submersible electric pump with a novel structure is characterized by comprising a driving motor and a pump body arranged at one end of the driving motor, a top cover is arranged at the other end of the driving motor, a liquid level sensor is arranged on the top cover, an outer cylinder is arranged on the outer side of a base of the driving motor, a base is arranged at one end of the pump body, an output shaft of the driving motor is connected with a rotating shaft of the pump body, at least one impeller is arranged on the rotating shaft of the pump body at intervals along the length direction of the rotating shaft, a water inlet is arranged on the base, a water outlet is arranged on the pump body, the intelligent control submersible electric pump also comprises a double-control oil-water probe, an overtemperature detection device and a PLC control system, wherein the double-control oil-water probe is used for detecting whether a motor cavity and an oil cavity of the driving motor leak water or not, and the PLC control system is respectively in communication connection with the double-control oil-water probe, the over-temperature detection device and the liquid level sensor.
In a preferred embodiment of the invention, the double-control oil-water probe comprises a mounting seat made of plastic, a through hole is formed in the mounting seat along the length direction of the mounting seat, a conductor and a detecting body are respectively arranged in the through hole in a penetrating manner, one end of the conductor is arranged in the motor cavity, the other end of the conductor is arranged in the oil chamber, one end of the detecting body is arranged in the motor cavity and is used for detecting whether water leaks in the motor cavity, the other end of the detecting body is arranged in the oil chamber and is used for detecting whether water leaks in the motor cavity, and the middle parts of the conductor and the detecting body are fixed inside the through hole through an insulating filler.
In a preferred embodiment of the present invention, the over-temperature detection device includes a cooling channel and a temperature sensor, which are arranged between the base and the outer cylinder, electromagnetic valves are respectively arranged at a water inlet and a water outlet of the cooling channel, the temperature sensor is arranged inside the driving motor, and the electromagnetic valves and the temperature sensor are respectively in communication connection with the PLC control system.
Compared with the prior art, the invention also comprises a double-control oil-water probe for detecting whether the motor cavity and the oil cavity of the driving motor leak water or not, when water leaks, the PLC control system can accurately judge whether the motor cavity leaks water or the oil cavity leaks water through the change of the resistance, so that the PLC control system can process the water in time, and the production cost is also reduced; the temperature sensor is used for detecting the temperature inside the driving motor, and when the temperature inside the driving motor is higher than the set temperature, the PLC control system controls the electromagnetic valve to be opened, so that cooling water flows into the driving motor from the water inlet of the cooling channel under the driving of the impeller and flows out from the water outlet of the cooling channel; and the liquid level sensor is used for monitoring the height of the horizontal plane in real time, when the height of the horizontal plane is smaller than the set height, the PLC control system stops the work of the submersible electric pump, the submersible electric pump can be effectively prevented from idling, and the parts inside the driving motor are further prevented from being burnt.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the present invention.
Fig. 2 is an enlarged view of fig. 1 at a.
Fig. 3 is a cross-sectional view of fig. 2.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific drawings.
Referring to fig. 1 to 3, an intelligent control submersible electric pump with a novel structure is shown, which comprises a driving motor 100 and a pump body 200 arranged at the lower end of the driving motor 100.
A top cover 300 is provided at the upper end of the driving motor 100, the top cover 300 is fixedly mounted on the upper portion of the driving motor 100 by bolts 600, and a liquid level sensor 800 is provided on the top cover 300.
An outer cylinder (not shown) is disposed outside the base 110 of the driving motor 100, a base 400 is disposed at the lower end of the pump body 200, the output shaft 120 of the driving motor 100 is connected to the rotating shaft 210 of the pump body 200, at least one impeller 230 is disposed on the rotating shaft 210 of the pump body 200 at intervals along the length direction thereof, a water inlet 410 is disposed on the base 400, a water outlet 220 is disposed on the pump body 200, and the water outlet 220 is communicated with a water pipe.
The intelligent control submersible electric pump further comprises a double-control oil-water probe 500, an over-temperature detection device and a PLC control system, wherein the double-control oil-water probe 500 is used for detecting whether the motor cavity 130 and the oil cavity 140 of the driving motor 100 leak water or not, and the PLC control system is in communication connection with the double-control oil-water probe 500, the over-temperature detection device and the liquid level sensor 800 respectively.
The liquid level sensor 800 is used for monitoring the height of the horizontal plane in real time, when the height of the horizontal plane is smaller than a set height, the PLC control system stops the work of the submersible electric pump, the submersible electric pump can be effectively prevented from idling, and burning of parts inside the driving motor 100 is further avoided.
The double-control oil-water probe 500 comprises a mounting base 510 made of plastics, a through hole 512 is formed in the mounting base 510 along the length direction of the mounting base, a conductor 520 and a detection body 530 penetrate through the through hole 512 respectively, the conductor 520 is not in contact with the detection body 530, one end of the conductor 520 is arranged in the motor cavity 130 and is communicated with the PLC control system through a first lead and loads current, the other end of the conductor is arranged in the oil cavity 140, one end of the detection body 530 is arranged in the motor cavity 130 and is used for detecting whether water leaks in the motor cavity 130 and is communicated with the PLC control system through a second lead, the other end of the detection body 530 is arranged in the oil cavity 140 and is used for detecting whether water leaks in the oil cavity 140, and the middle parts of the conductor 520 and the detection body 530 are fixed inside the through hole 512 through an insulating filler 540.
When the motor cavity 130 or the oil chamber cavity 140 leaks water, the first lead, the conductor 520, the detector 530, the second lead and the PLC control system form a loop, and the PLC control system can accurately judge whether the motor cavity 130 leaks water or the oil chamber cavity 140 leaks water according to the change of resistance in the loop, so that the PLC control system can timely process the water, and the production cost of the submersible electric pump is reduced.
The over-temperature detection device comprises a cooling channel and a temperature sensor which are arranged between the base 110 and the outer barrel, electromagnetic valves are respectively arranged at a water inlet and a water outlet of the cooling channel, the temperature sensor is arranged inside the driving motor, and the electromagnetic valves and the temperature sensor are respectively in communication connection with the PLC control system.
Detect the inside temperature of driving motor 100 through temperature sensor, when the inside temperature of driving motor 100 was higher than the settlement temperature, PLC control system control solenoid valve opened to make the cooling water flow into inside from cooling channel's water inlet under the drive of impeller 230, then flow out from cooling channel's delivery port, adopt this kind of structure can make the heat that driving motor 100 during operation produced in time spill, avoid burning out the inside spare part of driving motor.
In summary, the invention also comprises a double-control oil-water probe for detecting whether the motor cavity and the oil cavity of the driving motor leak water, when water leaks, the PLC control system can accurately judge whether the motor cavity leaks water or the oil cavity leaks water through the change of the resistance, so that the PLC control system can process the water in time, and the production cost is also reduced; the temperature sensor is used for detecting the temperature inside the driving motor, and when the temperature inside the driving motor is higher than the set temperature, the PLC control system controls the electromagnetic valve to be opened, so that cooling water flows into the driving motor from the water inlet of the cooling channel under the driving of the impeller and flows out from the water outlet of the cooling channel; level sensor is used for the height of real time monitoring horizontal plane, and when highly being less than when setting for the height when the horizontal plane, PLC control system stops the work of submerged motor pump, can effectually prevent that submerged motor pump from taking place idle running, further avoids burning out the inside spare part of driving motor.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. An intelligent control submersible electric pump with a novel structure is characterized by comprising a driving motor and a pump body arranged at one end of the driving motor, a top cover is arranged at the other end of the driving motor, a liquid level sensor is arranged on the top cover, an outer cylinder is arranged on the outer side of a base of the driving motor, a base is arranged at one end of the pump body, an output shaft of the driving motor is connected with a rotating shaft of the pump body, at least one impeller is arranged on the rotating shaft of the pump body at intervals along the length direction of the rotating shaft, a water inlet is arranged on the base, a water outlet is arranged on the pump body, the intelligent control submersible electric pump also comprises a double-control oil-water probe, an over-temperature detection device and a PLC control system, wherein the double-control oil-water probe is used for detecting whether a motor cavity and an oil cavity of the driving motor leak water or not, the PLC control system is respectively in communication connection with the double-control oil-water probe, the over-temperature detection device and the liquid level sensor;
the double-control oil-water probe comprises a mounting seat made of plastics, a through hole is formed in the mounting seat along the length direction of the mounting seat, a conductor and a detecting body are respectively arranged in the through hole in a penetrating mode, one end of the conductor is arranged in a motor cavity, the other end of the conductor is arranged in an oil chamber cavity, one end of the detecting body is arranged in the motor cavity and used for detecting whether water leaks in the motor cavity, the other end of the detecting body is arranged in the oil chamber cavity and used for detecting whether water leaks in the motor cavity, and the middle parts of the conductor and the detecting body are fixed inside the through hole through insulating fillers;
the overtemperature detection device comprises a cooling channel and a temperature sensor which are arranged between the base and the outer barrel, electromagnetic valves are respectively arranged at a water inlet and a water outlet of the cooling channel, the temperature sensor is arranged inside the driving motor, and the electromagnetic valves and the temperature sensor are respectively in communication connection with the PLC control system;
the liquid level sensor is used for monitoring the height of a horizontal plane in real time, when the height of the horizontal plane is smaller than a set height, the PLC control system stops the operation of the submersible electric pump, so that the submersible electric pump can be effectively prevented from idling, and parts in the driving motor are further prevented from being burnt;
when the motor cavity or the oil cavity leaks water, the first lead, the conductor, the detector, the second lead and the PLC control system form a loop, and the PLC control system can accurately judge whether the motor cavity leaks water or the oil cavity leaks water according to the change of resistance in the loop, so that the PLC control system can process the water in time, and the production cost of the submersible electric pump is reduced;
detect the inside temperature of driving motor through temperature sensor, when the inside temperature of driving motor was higher than the settlement temperature, PLC control system control solenoid valve was opened to make the cooling water flow into inside from cooling channel's water inlet under the drive of impeller, then flow out from cooling channel's delivery port, adopt this kind of structure can make the heat that driving motor during operation produced in time spill, avoid burning to lose the inside spare part of driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150809.8A CN106593894B (en) | 2016-12-14 | 2016-12-14 | Intelligent control submersible electric pump with novel structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611150809.8A CN106593894B (en) | 2016-12-14 | 2016-12-14 | Intelligent control submersible electric pump with novel structure |
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| Publication Number | Publication Date |
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| CN106593894A CN106593894A (en) | 2017-04-26 |
| CN106593894B true CN106593894B (en) | 2022-09-30 |
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| CN201611150809.8A Active CN106593894B (en) | 2016-12-14 | 2016-12-14 | Intelligent control submersible electric pump with novel structure |
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| CN107359741B (en) * | 2017-06-29 | 2019-09-06 | 上海工程技术大学 | A kind of automobile motor radiator fan noise reduction anti-shake system |
| US11808268B2 (en) | 2020-10-19 | 2023-11-07 | Milwaukee Electric Tool Corporation | Stick pump assembly |
| CN113513478A (en) * | 2021-06-03 | 2021-10-19 | 四川三台剑门泵业有限公司 | High-water-yield idling-resistant centrifugal water pump |
| CN117028264B (en) * | 2023-10-09 | 2023-12-19 | 烟台万瓷新材料科技有限公司 | Anti-idle spiral centrifugal pump and use method thereof |
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| CN204082577U (en) * | 2014-09-10 | 2015-01-07 | 上海汇业机械科技有限公司 | Proof submersible sand discharging pump |
| CN204082569U (en) * | 2014-09-09 | 2015-01-07 | 温岭市太丰电器配件厂 | A kind of water pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| LU91731B1 (en) * | 2010-09-13 | 2012-03-14 | Zenit Internat S A | Cooling systems for submersible pumps |
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| CN101220815A (en) * | 2007-01-14 | 2008-07-16 | 博山华翔机械制造有限公司 | Full-automatic submersible pump |
| CN201497613U (en) * | 2009-06-25 | 2010-06-02 | 江苏国泉泵业制造有限公司 | Double-needle probe |
| CN101826767A (en) * | 2010-05-26 | 2010-09-08 | 山西防爆电机（集团）有限公司 | Low-lift flame-proof submerged motor |
| CN203625970U (en) * | 2013-10-29 | 2014-06-04 | 气派科技股份有限公司 | Water cut-off and automatic stopping protective device for water supplying pump |
| CN103742426A (en) * | 2013-11-28 | 2014-04-23 | 成都欧浦特控制阀门有限公司 | Blowdown submerged pump for detecting sealing state |
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| CN106593894A (en) | 2017-04-26 |
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Effective date of registration: 20220824 Address after: 421400 Puning Road, Dapu Industrial Park, Hengdong County, Hengyang City, Hunan Province Applicant after: Hunan Dadi Pump Industry Co.,Ltd. Address before: 421400 Dapu Industrial Park, Hengdong County, Hengyang City, Hunan Province Applicant before: HENGYANG LIYUAN MOTIVE MANUFACTURING Co.,Ltd. |
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