CN111852897A - Submersible pump lift control method and pump structure thereof - Google Patents
Submersible pump lift control method and pump structure thereof Download PDFInfo
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- CN111852897A CN111852897A CN202010665238.1A CN202010665238A CN111852897A CN 111852897 A CN111852897 A CN 111852897A CN 202010665238 A CN202010665238 A CN 202010665238A CN 111852897 A CN111852897 A CN 111852897A
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- cavity
- submersible pump
- driving
- fixedly connected
- driving device
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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
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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
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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
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2205—Conventional flow pattern
- F04D29/2222—Construction and assembly
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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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- 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
- F04D29/586—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
- F04D29/588—Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps cooling or heating the machine
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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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a submersible pump lift control method and a pump structure thereof, which are applied to the technical field of water pump control and comprise a driving part, a circulation part, a cooling pipeline, a radiating part, a control valve and a flow monitor, wherein the driving part comprises a driving device, a fixed plate, a main control plate, a transmission wheel, a transmission belt and a shell; the impeller adopts a mode of built-in blades, increases the flowing space of external liquid in the fixed shell, increases the pumping water amount of the submersible pump, reduces the blockage caused by external stickers, and when the driving device rotates to drive the impeller to rotate so as to pump the liquid, the liquid flows through the heat dissipation piece from the cooling pipeline to take away heat, so that the heat dissipation efficiency of the driving device is improved, the negative influence of temperature rise on the main control board is reduced, and the continuous and stable work of the submersible pump is facilitated.
Description
Technical Field
The invention relates to the technical field of water pump control, in particular to a method for controlling the lift of a submersible pump and a pump structure thereof.
Background
In the prior art, liquid is pumped by adopting a centrifugal mode mostly, when the prior art is used in a severe environment, mud lumps formed by sticky substances or sludge are easy to be sucked into a rotary disc of the submersible pump, so that the load of a motor is increased, the energy consumption is increased, once the rotary disc in the prior art is blocked by the sticky substances and the mud lumps, the rotary disc is difficult to discharge, the effective output power of the submersible pump is reduced, and the lift of the submersible pump is influenced; the motor is overloaded due to the heavy load, and finally, the circuit board in the motor is burnt;
therefore, it is necessary to provide a method for controlling the head of a submersible pump and a pump structure thereof to solve the problem that the rotating disc in the existing submersible pump is easily blocked.
Disclosure of Invention
The invention aims to solve the problem that a rotary disc in the conventional submersible pump is easy to block, and provides a submersible pump lift control method and a pump structure thereof.
The invention adopts the following technical means for solving the technical problems:
the invention relates to a submersible pump which comprises a driving part, a circulation part, a cooling pipeline, a radiating part, a control valve and a flow monitoring meter, wherein the driving part comprises a driving device, a fixing plate, a main control plate, a driving wheel, a driving belt and a shell;
The driving part is fixedly connected with the circulating part, the cooling pipeline is fixedly connected with the circulating part, the part of the radiating piece is fixedly accommodated in the cooling pipeline, the other part of the radiating piece is fixedly accommodated in the driving part, the control valve is fixedly connected with the cooling pipeline, the control valve is far away from the circulating part, the flow monitoring meter is fixedly connected with the control valve, and the flow monitoring meter is far away from the cooling pipeline;
the driving device and the control valve are respectively electrically connected with the main control board, a rotating shaft of the driving device is fixedly connected with the driving wheel, the driving device penetrates through the heat dissipation member and is fixedly connected with the heat dissipation member, the driving device penetrates through the fixing plate and is fixedly connected with the fixing plate, the fixing plate is positioned between the driving device and the driving wheel, the fixing plate is fixedly connected with the shell, the driving wheel is accommodated in the first cavity, the first cavity is communicated with the first groove, a part of the driving belt is accommodated in the first cavity and the first groove, the first groove is communicated with the second groove, one end of the driving belt is movably connected with the driving wheel, the other end of the driving belt is movably connected with the impeller, the second cavity is communicated with the second groove, and the other part of the driving belt is accommodated in the second cavity and the second groove, the impeller penetrates through the two supporting pieces and is movably connected with the two supporting pieces, the impeller and the supporting pieces are contained in the second cavity, the second cavity is respectively communicated with the suction inlet and the outflow port, and the outflow port is communicated with the cooling pipeline.
Furthermore, the impeller is provided with a through hole and a plurality of blades, and the plurality of blades are axially and uniformly distributed in the through hole.
Furthermore, be equipped with in the shell and hold the chamber, hold the chamber with first chamber switches on, drive arrangement the fixed plate with the main control board accept respectively in hold the intracavity, heat sink part accept in hold the intracavity.
Furthermore, an accommodating groove is formed in the heat radiating piece, the accommodating groove is communicated with the accommodating cavity, and the driving device is partially accommodated in the accommodating groove.
Furthermore, be equipped with a plurality of radiating grooves on the radiating piece, it is a plurality of the radiating groove arranges in proper order, the radiating groove with the accepting groove switches on.
Furthermore, a plurality of heat dissipation plates are fixedly arranged on the heat dissipation member, and the heat dissipation plates are contained in the cooling pipeline.
Further, the driving part comprises a waterproof pad, one end of the waterproof pad is fixedly connected with the shell, and the other end of the waterproof pad is fixedly connected with the fixed shell.
Further, the immersible pump is including filtering the shell, filter the shell with set casing fixed connection, it keeps away from to filter the shell the cooling duct.
Further, the driving part comprises an upper cover, the upper cover is fixedly connected with the shell, and the upper cover shields the driving device.
A control method of the head of a submersible pump comprises the following steps:
the driving device is started, the driving device drives the impeller to rotate so as to suck external liquid into the second cavity from the suction inlet, the external liquid enters the cooling pipeline from the outflow port after entering the second cavity, then flows into the control valve from the cooling pipeline, then flows into the flow monitoring meter from the control valve, and finally flows into an external conveying pipeline from the flow monitoring meter;
when the reading of the flow monitoring meter exceeds the preset value, the control valve closes the corresponding pipeline caliber to reduce the flow of the external liquid flowing through the control valve, so that the reading of the flow monitoring meter returns to normal, and further the lift of the submersible pump is reduced.
The invention provides a method for controlling the lift of a submersible pump and a pump structure thereof, which have the following beneficial effects:
The invention relates to a submersible pump which comprises a driving part, a circulation part, a cooling pipeline, a radiating part, a control valve and a flow monitor, wherein the driving part comprises a driving device, a fixing plate, a main control plate, a transmission wheel, a transmission belt and a shell; the driving part is fixedly connected with the circulating part, the cooling pipeline is fixedly connected with the circulating part, the part of the heat radiating piece is fixedly contained in the cooling pipeline, the other part of the heat radiating piece is fixedly contained in the driving part, the control valve is fixedly connected with the cooling pipeline, the control valve is far away from the circulating part, the flow monitoring meter is fixedly connected with the control valve, and the flow monitoring meter is far away from the cooling pipeline; the driving device and the control valve are respectively electrically connected with the main control board, a rotating shaft of the driving device is fixedly connected with a driving wheel, the driving device penetrates through the heat dissipation piece and is fixedly connected with the heat dissipation piece, the driving device penetrates through the fixing plate and is fixedly connected with the fixing plate, the fixing plate is positioned between the driving device and the driving wheel, the fixing plate is fixedly connected with the shell, the driving wheel is accommodated in the first cavity, the first cavity is communicated with the first groove, the driving belt is partially accommodated in the first cavity and the first groove, the first groove is communicated with the second groove, one end of the driving belt is movably connected with the driving wheel, the other end of the driving belt is movably connected with the impeller, the second cavity is communicated with the second groove, the other part of the driving belt is accommodated in the second cavity and the second groove, the impeller penetrates through the two supporting pieces and is movably connected with the, the outflow port is communicated with the cooling pipeline; the impeller has adopted the built-in mode of blade, the flow space of outside liquid in the set casing has greatly been increased, make the pump water yield of this immersible pump increase, the jam that outside stickers caused it has also been reduced simultaneously, and, when drive arrangement rotated and drive the impeller and rotate with this pump liquid, liquid flowed through the radiating piece from the cooling pipeline, heat was taken away on transmitting drive arrangement to the radiating piece, drive arrangement's radiating efficiency has greatly been improved, reduced the negative effect that the increase of drive arrangement during operation temperature brought for the main control board, be favorable to this immersible pump continuous stable work.
Drawings
FIG. 1 is an overall exploded view of the submersible pump head control method and pump structure thereof according to the present invention;
FIG. 2 is an overall exploded view of the drive section of the submersible pump head control method and pump structure thereof according to the present invention;
FIG. 3 is an overall exploded view of the circulation part of the submersible pump head control method and pump structure thereof according to the present invention;
FIG. 4 is an overall schematic diagram of the submersible pump head control method and pump structure thereof according to the present invention;
FIG. 5 is a schematic view of an impeller of the submersible pump lift control method and pump structure thereof according to the present invention;
FIG. 6 is a schematic diagram of the casing of the submersible pump head control method and pump structure thereof according to the present invention;
FIG. 7 is a schematic view of a pump head control method of a submersible pump and a stationary casing of a pump structure thereof according to the present invention;
FIG. 8 is a schematic diagram of the pump head control method of the submersible pump and the heat sink of the pump structure thereof according to the present invention;
fig. 9 is a flow chart of a method for controlling the head of the submersible pump and a pump structure thereof according to the present invention.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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.
It is to be understood that the terms "comprises," "comprising," and "having" and any variations thereof in the description and claims of the invention and the above-described drawings are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. In the claims, the description and the drawings of the present application, relational terms such as "first" and "second", and the like, may be used solely to distinguish one entity/action/object from another entity/action/object without necessarily requiring or implying any actual such relationship or order between such entities/actions/objects.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1-8, a submersible pump according to the present invention includes a driving part 1, a circulation part 2, a cooling pipeline 3, a heat sink 4, a control valve 5 and a flow monitor 6, wherein the driving part 1 includes a driving device 11, a fixing plate 12, a main control plate 13, a transmission wheel 14, a transmission belt 15 and a housing 16, the circulation part 2 includes an impeller 21, two supporting members 22 and a fixing shell 23, the housing 16 is provided with a first cavity 161 and a first groove 162, the fixing shell 23 is provided with a suction port 231, an outflow port 232, a second cavity 233 and a second groove 234; the driving part 1 is fixedly connected with the circulation part 2, the cooling pipeline 3 is fixedly connected with the circulation part 2, the heat radiating part 4 is partially and fixedly contained in the cooling pipeline 3, the other part of the heat radiating part 4 is fixedly contained in the driving part 1, the control valve 5 is fixedly connected with the cooling pipeline 3, the control valve 5 is far away from the circulation part 2, the flow monitoring meter 6 is fixedly connected with the control valve 5, and the flow monitoring meter 6 is far away from the cooling pipeline 3; the driving device 11 and the control valve 5 are respectively electrically connected with the main control board 13, a rotating shaft of the driving device 11 is fixedly connected with the transmission wheel 14, the driving device 11 penetrates through the heat sink 4 and is fixedly connected with the heat sink 4, the driving device 11 penetrates through the fixing plate 12 and is fixedly connected with the fixing plate 12, the fixing plate 12 is positioned between the driving device 11 and the transmission wheel 14, the fixing plate 12 is fixedly connected with the shell 16, the transmission wheel 14 is accommodated in the first cavity 161, the first cavity 161 is communicated with the first groove 162, a part of the transmission belt 15 is accommodated in the first cavity 161 and the first groove 162, the first groove 162 is communicated with the second groove 234, one end of the transmission belt 15 is movably connected with the transmission wheel 14, the other end of the transmission belt 15 is movably connected with the impeller 21, the second cavity is communicated with the second groove 234, the other part of the transmission belt 15 is accommodated in the second cavity 233 and the second groove 234, the, the impeller 21 and the support member 22 are accommodated in a second chamber 233, the second chamber 233 is respectively communicated with the suction port 231 and the outflow port 232, and the outflow port 232 is communicated with the cooling duct 3; the impeller 21 is provided with a through hole 211 and a plurality of blades 212, and the plurality of blades 212 are uniformly distributed in the through hole 211 in the axial direction; the driving part 1 comprises a waterproof pad 17, one end of the waterproof pad 17 is fixedly connected with the shell 16, and the other end of the waterproof pad 17 is fixedly connected with the fixed shell 23; the submersible pump comprises a filter shell 7, the filter shell 7 is fixedly connected with a fixed shell 23, and the filter shell 7 is far away from the cooling pipeline 3; the driving part 1 comprises an upper cover 18, the upper cover 18 is fixedly connected with the shell 16, and the upper cover 18 shields the driving device 11.
In the present embodiment:
the driving part 1 is used for transmitting the rotating force to the circulation part 2, so that the circulation part 2 can normally operate;
the driving device 11 is a motor, and a rotating shaft of the motor rotates to drive the driving wheel 14 to rotate;
the fixing plate 12 is used to fix the driving device 11 in the first cavity 161 of the housing 16;
the main control board 13 is used for receiving the liquid flow data returned by the flow monitor 6 and issuing corresponding instructions to the driving device 11 and the control valve 5;
the transmission wheel 14 is used for transmitting power to the impeller 21 through a transmission belt 15;
the transmission belt 15 is used for connecting the transmission wheel 14 and the impeller 21;
the shell 16 is used for providing a protective structure for the driving device 11, the fixing plate 12, the main control plate 13, the transmission wheel 14 and the transmission belt 15;
the first chamber 161 is used for providing a space for placing the transmission wheel 14 and a part of the transmission belt 15;
the first groove 162 is used to provide a path for a portion of the belt 15 adjacent the drive pulley 14;
the waterproof pad 17 is used for preventing external liquid from entering the submersible pump from a gap between the driving part 1 and the circulating part 2;
the upper cover 18 is used for providing a structure for isolating external liquid for the shell 16;
the circulation part 2 is used for sucking external liquid and sending the liquid into the cooling pipeline 3;
The impeller 21 is an inner impeller rotating wheel, which has a hollow structure to accommodate more liquid, and can convey external liquid from the suction port 231 to the discharge port 232 when rotating;
the through hole 211 is used for providing a space for placing the blade 212;
the number of the blades 212 is 6, the blades have certain inclination angles with a vertical plane, and the surface facing the outflow port 232 is an arc surface which is beneficial to guiding the liquid from the suction port 231 to the outflow port 232;
the support members 22 are bearings, and the number of the support members is 2, and the support members are used for providing smoother rotation support for the rotation of the impeller 21;
the stationary casing 23 serves to provide a protective structure for the impeller 21;
the suction port 231 for providing a passage for the external liquid to flow into the second chamber 233;
the outflow port 232 is used to provide a passage for the external liquid to flow from the second chamber 233 to the cooling duct 3;
the second chamber 233 is used to provide a space for the impeller 21, the support member 22, and another portion of the belt 15 to be placed;
the second groove 234 is used to provide a space for placing a portion of the belt 15 adjacent to the impeller 21;
the cooling duct 3 is used to provide a protective structure for the radiator element 4;
the heat sink 4 is used for dissipating heat of the driving device 11;
A motor is arranged on the control valve 5, the motor can drive the valve to open and close by rotating, and the control valve 5 is used for controlling the flow of liquid;
the flow monitoring meter 6 is used for detecting the liquid flow flowing out of the control valve 5;
the filter shell 7 is used for filtering large particles mixed with external liquid;
specifically, after the submersible pump is started, the driving device 11 drives the driving wheel 14 to rotate, the driving wheel 14 transmits power to the impeller 21 through the driving belt 15, the impeller 21 rotates to suck external liquid into the filter shell 7 from the outside of the filter shell 7, then the external liquid sequentially flows through the suction inlet 231, the second cavity 233 and the discharge outlet 232, the external liquid is continuously sucked due to the continuous rotation of the impeller 21, the liquid sucked from the rear pushes the liquid sucked from the front into the cooling pipeline 3 from the discharge outlet 232, the external liquid flows through the cooling pipeline 3 to take away heat on the heat sink 4, then flows out of the cooling pipeline 3, flows into the control valve 5, and finally flows into an external connecting pipeline after flowing through the flow monitor 6;
the impeller 21 adopts a mode of arranging the blades 212 in, so that the flowing space of external liquid in the fixed shell 23 is greatly increased, the pumping water amount of the submersible pump is increased, and meanwhile, the blockage caused by external stickers is reduced, moreover, when the driving device 11 rotates to drive the impeller 21 to rotate so as to pump the liquid, the liquid flows through the heat dissipation piece 4 from the cooling pipeline 3, the heat is transferred to the heat dissipation piece 4 by the driving device 11, the heat dissipation efficiency of the driving device 11 is greatly improved, the negative influence on the main control board 13 caused by the temperature rise of the driving device 11 during working is reduced, and the continuous and stable work of the submersible pump is facilitated.
Further, an accommodating cavity 163 is formed in the housing 16, the accommodating cavity 163 is communicated with the first cavity 161, the driving device 11, the fixing plate 12 and the main control plate 13 are respectively accommodated in the accommodating cavity 163, and part of the heat dissipation member 4 is accommodated in the accommodating cavity 163; the heat sink 4 is provided with a receiving groove 41, the receiving groove 41 is communicated with the receiving cavity 163, and the driving device 11 is partially received in the receiving groove 41; the heat dissipation member 4 is provided with a plurality of heat dissipation grooves 42, the plurality of heat dissipation grooves 42 are sequentially arranged, and the heat dissipation grooves 42 are communicated with the accommodation groove 41; the heat sink 4 is fixedly provided with a plurality of heat dissipation plates 43, and the heat dissipation plates 43 are accommodated in the cooling duct 3.
In the present embodiment:
the accommodating cavity 163 is used for providing a space for placing the driving device 11, the fixed plate 12 and the main control plate 13;
the accommodating groove 41 is used for providing a placing space for the driving device 11;
the heat dissipation groove 42 is used to provide a space for heat generated by the driving device 11 during operation to flow through, so that the heat is more widely transferred to the heat dissipation member 4;
the heat radiation plate 43 serves to transfer heat to the external liquid flowing through the cooling pipe 3.
Referring to fig. 9, a method for controlling a head of a submersible pump includes:
s1, the driving device 11 is turned on, the driving device 11 drives the impeller 21 to rotate to suck the external liquid into the second cavity 233 from the suction port 231, the external liquid enters the second cavity 233 and then enters the cooling duct 3 from the outflow port 232, and then flows into the control valve 5 from the cooling duct 3, and then flows into the flow monitor 6 from the control valve 5, and finally flows into the external conveying duct from the flow monitor 6;
S2, when the reading of the flow monitor 6 exceeds the preset value, the control valve 5 closes the corresponding pipe aperture to reduce the flow of the external liquid flowing through the control valve 5, so that the reading of the flow monitor 6 returns to normal, and further the lift of the submersible pump is reduced, when the reading of the flow monitor 6 is less than the preset value, the control valve 5 opens the corresponding pipe aperture to increase the flow of the external liquid flowing through the control valve 5, so that the reading of the flow monitor 6 returns to normal, and further the lift of the submersible pump is increased.
In summary, after the driving device 11 is turned on, the driving device 11 drives the impeller 21 to rotate so as to suck the external liquid into the second cavity 233 from the suction port 231, and the external liquid enters the second cavity 233 and then enters the cooling pipeline 3 from the outflow port 232, then flows into the control valve 5 from the cooling pipeline 3, then flows into the flow monitor 6 from the control valve 5, and finally flows into the external conveying pipeline from the flow monitor 6; when the reading of the flow monitor 6 exceeds a preset value, the control valve 5 closes the corresponding pipeline caliber to reduce the flow of external liquid flowing through the control valve 5, so that the reading of the flow monitor 6 returns to normal, and the lift of the submersible pump is reduced; when the reading of the flow monitor 6 is smaller than the preset value, the control valve 5 opens the corresponding pipe caliber to increase the flow rate of the external liquid flowing through the control valve 5, so that the reading of the flow monitor 6 returns to normal, and the lift of the submersible pump is increased.
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 (10)
1. A submersible pump is characterized by comprising a driving part, a circulation part, a cooling pipeline, a radiating part, a control valve and a flow monitoring meter, wherein the driving part comprises a driving device, a fixing plate, a main control plate, a driving wheel, a driving belt and a shell;
the driving part is fixedly connected with the circulating part, the cooling pipeline is fixedly connected with the circulating part, the part of the radiating piece is fixedly accommodated in the cooling pipeline, the other part of the radiating piece is fixedly accommodated in the driving part, the control valve is fixedly connected with the cooling pipeline, the control valve is far away from the circulating part, the flow monitoring meter is fixedly connected with the control valve, and the flow monitoring meter is far away from the cooling pipeline;
The driving device and the control valve are respectively electrically connected with the main control board, a rotating shaft of the driving device is fixedly connected with the driving wheel, the driving device penetrates through the heat dissipation member and is fixedly connected with the heat dissipation member, the driving device penetrates through the fixing plate and is fixedly connected with the fixing plate, the fixing plate is positioned between the driving device and the driving wheel, the fixing plate is fixedly connected with the shell, the driving wheel is accommodated in the first cavity, the first cavity is communicated with the first groove, a part of the driving belt is accommodated in the first cavity and the first groove, the first groove is communicated with the second groove, one end of the driving belt is movably connected with the driving wheel, the other end of the driving belt is movably connected with the impeller, the second cavity is communicated with the second groove, and the other part of the driving belt is accommodated in the second cavity and the second groove, the impeller penetrates through the two supporting pieces and is movably connected with the two supporting pieces, the impeller and the supporting pieces are contained in the second cavity, the second cavity is respectively communicated with the suction inlet and the outflow port, and the outflow port is communicated with the cooling pipeline.
2. The submersible pump of claim 1, wherein the impeller is provided with a through-hole and a plurality of vanes that are evenly distributed axially within the through-hole.
3. The submersible pump of claim 1, wherein a receiving cavity is provided in the housing, the receiving cavity communicates with the first cavity, the driving device, the fixing plate, and the main control panel are respectively received in the receiving cavity, and the heat sink portion is received in the receiving cavity.
4. The submersible pump of claim 3, wherein the heat sink has a receiving slot therein, the receiving slot is in communication with the receiving cavity, and the drive device is partially received in the receiving slot.
5. The submersible pump of claim 4, wherein the heat sink has a plurality of heat dissipation grooves, the heat dissipation grooves are sequentially arranged, and the heat dissipation grooves are communicated with the receiving groove.
6. The submersible pump of claim 1, wherein the heat sink has a plurality of heat sinks secured thereto, the heat sinks being received within the cooling conduit.
7. The submersible pump of claim 1, wherein the drive portion comprises a waterproof pad, one end of the waterproof pad being fixedly connected to the outer shell and the other end of the waterproof pad being fixedly connected to the stationary shell.
8. The submersible pump of claim 1, comprising a filter housing fixedly connected to the stationary housing, the filter housing being remote from the cooling conduit.
9. The submersible pump of claim 1, wherein the drive portion comprises an upper cover fixedly connected with the housing, the upper cover covering the drive arrangement.
10. A method for controlling the head of a submersible pump, comprising:
the driving device is started, the driving device drives the impeller to rotate so as to suck external liquid into the second cavity from the suction inlet, the external liquid enters the cooling pipeline from the outflow port after entering the second cavity, then flows into the control valve from the cooling pipeline, then flows into the flow monitoring meter from the control valve, and finally flows into an external conveying pipeline from the flow monitoring meter;
when the reading of the flow monitoring meter exceeds the preset value, the control valve closes the corresponding pipeline caliber to reduce the flow of the external liquid flowing through the control valve, so that the reading of the flow monitoring meter returns to normal, and further the lift of the submersible pump is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010665238.1A CN111852897B (en) | 2020-07-10 | 2020-07-10 | Submersible pump lift control method and pump structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010665238.1A CN111852897B (en) | 2020-07-10 | 2020-07-10 | Submersible pump lift control method and pump structure thereof |
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| CN111852897A true CN111852897A (en) | 2020-10-30 |
| CN111852897B CN111852897B (en) | 2021-08-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1908960A1 (en) * | 2006-09-28 | 2008-04-09 | Snecma | Pump with electric motor, submerged in the liquid to be pumped |
| CN101392756A (en) * | 2008-10-31 | 2009-03-25 | 沈阳天成自动化工程有限公司 | Minimum flow control system for centrifugal pump |
| CN204226226U (en) * | 2014-09-30 | 2015-03-25 | 武汉百信环保能源科技有限公司 | A kind of changing food waste high-concentration waste water sewage pump variable runs the device controlled |
| CN108678969A (en) * | 2018-06-25 | 2018-10-19 | 杭州新亚低温科技有限公司 | A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment |
| CN209638024U (en) * | 2018-12-21 | 2019-11-15 | 无锡凯惠灵科技有限公司 | A kind of separating at high temperature type chemical underwater shielded electrical pump |
| CN210565155U (en) * | 2019-05-16 | 2020-05-19 | 包头市名泉泵业有限责任公司 | Novel submersible pump |
-
2020
- 2020-07-10 CN CN202010665238.1A patent/CN111852897B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1908960A1 (en) * | 2006-09-28 | 2008-04-09 | Snecma | Pump with electric motor, submerged in the liquid to be pumped |
| CN101392756A (en) * | 2008-10-31 | 2009-03-25 | 沈阳天成自动化工程有限公司 | Minimum flow control system for centrifugal pump |
| CN204226226U (en) * | 2014-09-30 | 2015-03-25 | 武汉百信环保能源科技有限公司 | A kind of changing food waste high-concentration waste water sewage pump variable runs the device controlled |
| CN108678969A (en) * | 2018-06-25 | 2018-10-19 | 杭州新亚低温科技有限公司 | A kind of latent liquid type pipeline type cryogenic pump suitable for high vacuum environment |
| CN209638024U (en) * | 2018-12-21 | 2019-11-15 | 无锡凯惠灵科技有限公司 | A kind of separating at high temperature type chemical underwater shielded electrical pump |
| CN210565155U (en) * | 2019-05-16 | 2020-05-19 | 包头市名泉泵业有限责任公司 | Novel submersible pump |
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| CN111852897B (en) | 2021-08-13 |
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