CN110836190A - Internal mesh-shaped two-state heat-conducting permanent magnet shielding tube pump - Google Patents

Internal mesh-shaped two-state heat-conducting permanent magnet shielding tube pump Download PDF

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Publication number
CN110836190A
CN110836190A CN201910928670.2A CN201910928670A CN110836190A CN 110836190 A CN110836190 A CN 110836190A CN 201910928670 A CN201910928670 A CN 201910928670A CN 110836190 A CN110836190 A CN 110836190A
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China
Prior art keywords
motor
permanent magnet
heat
epoxy resin
conducting
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CN201910928670.2A
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CN110836190B (en
Inventor
童新寅
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Jinhua Dongda Pump Industry Co Ltd
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Jinhua Dongda Pump Industry Co Ltd
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    • 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
    • F04D13/0693Details or arrangements of the wiring
    • 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
    • F04D29/02Selection of particular materials
    • F04D29/026Selection of particular materials 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
    • F04D29/40Casings; Connections of working fluid
    • F04D29/406Casings; Connections of working fluid 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
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/5806Cooling the drive system
    • 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
    • F04D29/58Cooling; Heating; Diminishing heat transfer
    • F04D29/586Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps
    • F04D29/5893Cooling; Heating; Diminishing heat transfer specially adapted for liquid pumps heat insulation or conduction
    • 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
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/669Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets

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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)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention discloses an internal mesh-shaped two-state heat-conducting permanent magnet shielding pipe pump, which belongs to the field of pipe pumps, and can accelerate the heat-conducting and heat-absorbing efficiency in an epoxy resin protective layer and prolong the service life through the arrangement of a three-dimensional heat-conducting net and the epoxy resin protective layer, meanwhile, when shaking occurs in the transportation or use process, the stress can be dispersed into the epoxy resin protective layer through the three-dimensional heat-conducting net, so that the epoxy resin protective layer is uniformly stressed, the mechanical protection effect on the internal structure of the pump in the pipe is effectively improved, and in the shaking or shaking process, the solid heat-conducting structure of the epoxy resin protective layer in a motor effectively avoids the phenomenon that the internal structure is secondarily impacted due to the flowing of cooling liquid, the mechanical protection effect is further improved, the service life is prolonged, and the cooling liquid outside the motor is clear water, is safe and environment-friendly, meanwhile, due to the use of the permanent magnet, the generated heat is far lower than that of a common asynchronous motor, the temperature rise is reduced, and the service life is prolonged.

Description

Internal mesh-shaped two-state heat-conducting permanent magnet shielding tube pump
Technical Field
The invention relates to the field of pumps in pipes, in particular to an internal mesh-shaped two-state heat-conducting permanent magnet shielding pump in a pipe.
Background
The water supply equipment with pump in pipe is a new type which is released on the basis of the common non-negative pressure water supply equipmentWater supply equipment. Except that the water supply equipment has all the functional characteristics of common non-negative pressure water supply equipment, the product shows the design concept of environmental protection, sanitation, low noise and no disturbance to people. The motor is selected and usedStainless steelThe water-filled motor has no pollution to water quality, and the main flow passage components are all made of food-grade materials such as 304 stainless steel and the like. The equipment structure forms a closed system, so that the operation is noiseless, and the water quality is pollution-free. It is easy to see that the product will become one of the widest devices for secondary pressurized water supply.
In the using process, the motor inside the pump in the tube can generate heat, which causes the overall working efficiency of the pump in the tube to be reduced, although the pump in the tube is used in water and has good heat dissipation performance, the motor inside the pump in the tube is usually sealed and packaged in the pump shell in the tube for preventing the motor from being damaged by water, and has a certain interval with the outside water due to the action of sealing materials and the like, in the process that heat is transferred from the motor to the pump shell in the tube and is taken away by water flow, the heat conduction efficiency is poor, namely, the heat is easy to gather in a shielding cavity in the pump in the tube, the medium for temperature conduction in the shielding cavity is usually water or oil, because of water cooling or oil cooling, when shaking occurs in the transportation or using process, the phenomenon of leakage of cooling liquid occurs, which can cause the pollution of water and the surrounding environment, and meanwhile, in the heat dissipation mode, when shaking or shaking occurs, the inside water or oil can flow greatly, causing a certain impact effect on the internal mechanical parts.
Disclosure of Invention
Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an internal mesh type two-state heat-conducting permanent magnet shielding pipe pump, which can accelerate the heat-conducting and heat-absorbing efficiency in the epoxy resin protective layer and prolong the service life by arranging a three-dimensional heat-conducting net and an epoxy resin protective layer in a shielding cavity, on the other hand, the three-dimensional heat-conducting net can effectively improve the integral strength of the epoxy resin protective layer and the integral stability and shock resistance of the epoxy resin protective layer, when the pump shakes during transportation or use, the stress can be dispersed into the epoxy resin protective layer through the three-dimensional heat-conducting net, so that the epoxy resin protective layer is uniformly stressed, good shock absorption effect is achieved, the mechanical protection effect of the epoxy resin protective layer on the internal structure of the pump in the pipe is effectively improved, and meanwhile, compared with water cooling and oil cooling due to the solid structure of the epoxy resin, when shaking or trembling, effectively avoid inside to constitute the phenomenon of secondary impact vibrations because of the coolant flow to inside knot, further improve mechanical protection effect.
(II) technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An internal mesh-shaped binary heat-conducting permanent magnet shielding tube pump comprises a tube pump body, wherein the tube pump body comprises a tube pump upper shell and a tube pump lower shell which are connected through a clamp, the tube pump upper shell is positioned above the tube pump lower shell, a motor shell is installed in the tube pump body, a pump body is installed at the upper end of the motor shell, a flow guide sleeve is sleeved at the outer end of the motor shell and the outer end of the pump body, a motor end cover and a base are respectively installed at the upper end and the lower end of the motor shell, a shielding motor stator is installed in the motor shell through the motor end cover base, a transmission shaft is connected in the middle of the shielding motor stator, one end of the transmission shaft penetrates through the motor end cover and extends to the outer side of the motor shell, the other end of the transmission shaft is connected with a thrust bearing of a motor, the outer end of the transmission shaft, the outer end of the electromagnetic wire of the motor stator is coated with an epoxy resin layer, the inner wall of the motor shell is connected with a shielding sleeve, the shielding sleeve is positioned outside the permanent magnet rotor, the electromagnetic wire of the motor stator, the epoxy resin layer and a blank gap enclosed between the shielding sleeve and the motor shell form a shielding cavity, the inner wall of the shielding sleeve is fixedly connected with an intermediary plate, a three-dimensional heat conduction net is arranged in the shielding cavity, one end of the three-dimensional heat conduction net is fixedly connected with the intermediary plate, the other end of the three-dimensional heat conduction net is not contacted with other structures in the motor shell, and the three-dimensional heat conduction net and an epoxy resin protective layer are arranged in the shielding cavity, so that the heat conduction and heat absorption efficiency in the epoxy resin protective layer is accelerated, the service life is prolonged, the integral strength of the epoxy resin protective layer and the integral, when taking place the shake in transportation or use, can disperse the atress to the epoxy inoxidizing coating inside through three-dimensional heat conduction net, make its even atress, reach good shock attenuation effect, and then effectively improve the mechanical protection effect of epoxy inoxidizing coating to this intraductal pump inner structure, simultaneously because the solid construction of epoxy inoxidizing coating, compare in water-cooling and oil-cooling, when vibrations or shake, effectively avoid inside to construct the phenomenon of secondary impact vibrations to the inner structure because of the coolant liquid flows, further improve mechanical protection effect.
Further, a rotating groove is formed in one side surface, located at the middle of the permanent magnet rotor (4), of the transmission shaft, the rotating groove is spirally arranged on the surface of the transmission shaft, in the working process, the transmission shaft rotates, the rotating groove on the surface of the transmission shaft drives water flow to rotate, certain guiding effect is achieved on the rotation of the water flow, the speed of the water flow passing through a motor is accelerated, the heat exchange efficiency is improved, the shielding motor stator is effectively prevented from heating or overheating, the working efficiency of the shielding motor stator is improved, the electric energy loss is reduced, and the service life is prolonged.
Further, motor housing, motor end cover and base all adopt stainless steel to make for motor housing, motor end cover and base all have good corrosion resistance, make motor housing, motor end cover and base have better heat conductivity simultaneously, are convenient for in time conduct the outside with the heat of inside production to be taken away by rivers.
Further, the three-dimensional heat conduction net comprises a plurality of unidirectional rods distributed on three axes X, Y and Z and a plurality of three-way node balls, the three-way node balls are fixedly connected with the unidirectional rods, and the three-way node balls are positioned at the intersection points of the unidirectional rods on the three axes X, Y and Z.
Furthermore, the shielding cavity is filled with an epoxy resin protective layer, compared with water cooling or oil cooling, the epoxy resin protective layer is solid, and the leakage of cooling liquid caused by vibration or shaking is effectively avoided in the using and transporting process, so that the pollution of the cooling liquid to the transporting environment and water is effectively avoided, the three-dimensional heat conduction net is embedded in the epoxy resin protective layer, on one hand, the heat conduction and heat absorption efficiency in the epoxy resin protective layer is accelerated, on the other hand, the whole strength of the epoxy resin protective layer can be effectively improved, the whole stability and shock resistance of the epoxy resin protective layer are effectively improved, when shaking occurs in the transporting or using process, the stress can be dispersed into the epoxy resin protective layer through the three-dimensional heat conduction net, so that the epoxy resin protective layer is uniformly stressed, a good shock absorption effect is achieved, and the mechanical protection effect of the epoxy resin protective layer on the internal structure of the pump in the pipe is effectively improved, meanwhile, compared with water cooling and oil cooling, the solid structure of the epoxy resin protective layer effectively avoids the phenomenon that secondary impact vibration is formed on an internal structure due to flowing of cooling liquid in the interior when the epoxy resin protective layer vibrates or shakes, and further improves the mechanical protection effect.
Further, the one end that the one-way lever is close to intermediate plate presents fold condition, and folding part evenly distributed is at intermediate plate surface and contact with intermediate plate, effectively increases the area of contact of one-way lever and intermediate plate, make the heat that spreads the shielding intracavity absorb the back by the one-way lever, conduction to intermediate plate and motor department that can be more even timely, and taken away by outside rivers, accelerate the radiating efficiency of the heat that the shielding intracavity is accumulational, and then improve the protection to this pump in the pipe, increase of service life.
Furthermore, the lower end of the folding part of the one-way rod is fixedly connected with a plurality of antennae which are uniformly distributed, and the end parts of the antennae are embedded into the positions 1/3-1/2 in the intermediate plate, so that on one hand, the antennae are convenient to improve the connection strength of the three-dimensional heat conduction net and the intermediate plate, the three-dimensional heat conduction net is not easy to shift in the shielding cavity, and on the other hand, the antennae can also play a certain heat conduction role.
Furthermore, the folded part at the end of the one-way rod is of a solid structure, the folded part is not convenient for flowing of liquid due to more turns, and the folded part is mainly used for transferring heat outwards, so that the folded part is solid and is more convenient for heat conduction, the unfolded part of the one-way rod is of a hollow structure, liquid is filled in the three-way node ball, the liquid is in the three-dimensional heat conduction network, the heat absorption efficiency of the liquid is effectively improved, the absorption and the outward conduction of heat generated by the pump in the pipe in the shielding cavity are accelerated, the liquid flows when shaking or vibration occurs, the heat is conducted faster along with the flowing of the liquid, and the effect of accelerating the heat conduction through the flowing of the liquid can be realized under the condition that the impact on the internal structure is effectively ensured to be extremely small due to the fact that the liquid is located in the epoxy resin protective layer.
Furthermore, the three-way node ball is communicated with the hollow structure part of the one-way rod, so that the liquid can flow between the three-way node ball and the one-way rod, and further the heat can flow between the three-way node ball and the one-way rod, thereby accelerating the conduction of the heat to the folding part and further increasing the heat dissipation effect.
Furthermore, the unidirectional rod, the three-way node ball and the antenna are all made of heat conducting materials, so that the three-dimensional heat conducting net can timely transmit heat accumulated in the shielding cavity to the intermediate plate and the motor.
(III) advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the scheme can accelerate the heat conduction and heat absorption efficiency in the epoxy resin protective layer and prolong the service life by arranging the three-dimensional heat conduction net and the epoxy resin protective layer in the shielding cavity, on the other hand, the three-dimensional heat conduction net can effectively improve the integral strength of the epoxy resin protective layer and the integral stability and shock resistance of the epoxy resin protective layer, when the epoxy resin protective layer shakes in the transportation or use process, the stress can be dispersed into the epoxy resin protective layer through the three-dimensional heat conduction net, so that the epoxy resin protective layer is uniformly stressed, a good shock absorption effect is achieved, the mechanical protection effect of the epoxy resin protective layer on the internal structure of the pump in the pipe is further effectively improved, and meanwhile, compared with water cooling and oil cooling, the phenomenon that the internal structure is formed into secondary impact shock due to the flowing of cooling liquid in the shock or shake process is effectively avoided, further improving the mechanical protection.
(2) The transmission shaft is located one side surface at permanent magnet rotor middle part and cuts the rotating groove, the rotating groove spiral is arranged on the transmission shaft surface, in operation, the transmission shaft rotates, the rotating groove on its surface drives rivers rotatory, there is certain guide effect to the rotation of rivers, the speed of rivers through the motor has been accelerated, the efficiency of heat exchange has been improved, effectually prevent that shielding motor stator from generating heat or overheated, the work efficiency of shielding motor stator has been improved, the electric energy loss is reduced, and service life is prolonged.
(3) Motor housing, motor end cover and base all adopt stainless steel to make for motor housing, motor end cover and base all have good corrosion resistance, make motor housing, motor end cover and base have better heat conductivity simultaneously, are convenient for in time conduct the outside with the heat of inside production, thereby are taken away by rivers.
(4) The three-dimensional heat conduction net comprises a plurality of unidirectional rods distributed on three axes X, Y and Z and a plurality of three-way node balls, wherein the three-way node balls are fixedly connected with the unidirectional rods, and the three-way node balls are positioned at the intersection points of the unidirectional rods on the three axes X, Y and the unidirectional rods on the three axes Z.
(5) The shielding cavity is also filled with an epoxy resin protective layer which is solid compared with water cooling or oil cooling and can effectively avoid the leakage of cooling liquid caused by vibration or shaking in the using and transporting process, thereby effectively avoiding the pollution of the cooling liquid to the transporting environment and water body, the three-dimensional heat conduction net is embedded in the epoxy resin protective layer, on one hand, the heat conduction and heat absorption efficiency in the epoxy resin protective layer is accelerated, on the other hand, the three-dimensional heat conduction net can effectively improve the integral strength of the epoxy resin protective layer and the integral stability and shock resistance of the epoxy resin protective layer, when shaking occurs in the transporting or using process, the stress can be dispersed into the epoxy resin protective layer through the three-dimensional heat conduction net, so that the epoxy resin protective layer is uniformly stressed, good shock absorption effect is achieved, and the mechanical protection effect of the epoxy resin protective layer on the internal structure of the pump in the pipe is effectively improved, meanwhile, compared with water cooling and oil cooling, the solid structure of the epoxy resin protective layer effectively avoids the phenomenon that secondary impact vibration is formed on an internal structure due to flowing of cooling liquid in the interior when the epoxy resin protective layer vibrates or shakes, and further improves the mechanical protection effect.
(6) One end that the one-way pole is close to intermediate plate presents fold condition, and folding part evenly distributed is at intermediate plate surface and contact with intermediate plate, effectively increases the area of contact of one-way pole and intermediate plate, make the heat that spreads the shielding intracavity absorb the back by the one-way pole, conduction to intermediate plate and motor department that can be more even timely, and taken away by outside rivers, accelerate the thermal efficiency of giving off that the shielding intracavity is cumulated, and then improve the protection to this pump in managing, increase of service life.
(7) The lower end of the folding part of the unidirectional rod is fixedly connected with a plurality of antennae which are uniformly distributed, and the end parts of the antennae are embedded into the positions 1/3-1/2 in the intermediate plate, so that on one hand, the antennae are convenient to improve the connection strength of the three-dimensional heat-conducting net and the intermediate plate, and the three-dimensional heat-conducting net is not easy to shift in the shielding cavity, and on the other hand, the antennae can also play a certain heat conduction role.
(8) The folding part of one-way pole tip is solid structure, the folding part is more because the turn, be not convenient for the flow of liquid, and this folding part mainly is thermal outside transfer, therefore here for solid setting be convenient for heat conduction more, the non-folding part of one-way pole is hollow structure, three-dimensional node ball inside is filled with liquid, liquid is in three-dimensional heat conduction net, effectively improve its heat absorption efficiency, accelerate the absorption and the outward conduction of the heat that this intraductal pump produced of shielding intracavity, when taking place shake or vibration, it can flow, the heat makes the conduction faster along with liquid flow, because liquid is located the epoxy protective layer, can be effectively guaranteeing under the minimum circumstances of impact nature to inner structure, realize accelerating the effect of heat conduction through its mobility.
(9) The three-way node ball is communicated with the hollow structure part of the one-way rod, so that liquid can flow between the three-way node ball and the one-way rod, and heat can flow between the three-way node ball and the one-way rod, so that the heat is conducted to the folding part in an accelerated manner, and the heat dissipation effect is improved.
(10) The unidirectional rod, the three-way node ball and the antenna are all made of heat conducting materials, so that the three-dimensional heat conducting net can timely transmit heat accumulated in the shielding cavity to the intermediate plate and the motor.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic structural diagram of the front side of the present invention;
FIG. 3 is a schematic structural view of the front side of the stator of the canned motor of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic structural view of a three-way node ball and a one-way rod according to the present invention;
FIG. 6 is a schematic structural view of a cross section at a three-way node ball and a one-way rod of the present invention;
FIG. 7 is a schematic view of the structure at B in FIG. 5;
FIG. 8 is a schematic front view of the folded portion of the interposer and unidirectional bar of the present invention;
fig. 9 is a schematic structural view of the side surfaces of the intermediate plate and the one-way bar of the present invention.
The reference numbers in the figures illustrate:
the motor comprises a motor shell 1, a base 2, a transmission shaft 3, a permanent magnet rotor 4, a motor stator electromagnetic wire 5, an epoxy resin layer 6, a shielding sleeve 7, a pump body 8, an intermediate plate 9, a one-way rod 101, a three-way node ball 102, an antenna 11, a pump-in-pipe upper shell 121, a pump-in-pipe lower shell 122 and a flow guide sleeve 13.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-2, an internal mesh type binary heat-conducting permanent magnet shielded tube-in-tube pump includes a tube-in-tube pump body including a tube-in-tube pump upper casing 121 and a tube-in-tube pump lower casing 122 connected by a clamp, the tube-in-tube pump upper casing 121 is located above the tube-in-tube pump lower casing 122, a motor casing 1 is installed in the tube-in-tube pump body, a pump body 8 is installed at the upper end of the motor casing 1, a flow guide sleeve 13 is sleeved at the outer ends of the motor casing 1 and the pump body 8, a certain gap is formed between the flow guide sleeve 13 and the motor casing 1, please refer to fig. 2, the arrow in the figure shows the water flow direction, when in use, water flows through a water inlet on the tube-in-tube pump lower casing 122, flows through the gap between the flow guide sleeve 13 and the motor casing 1, and then flows out from a water outlet on the tube-in-tube pump upper casing 121, motor end cover and base 2 are installed respectively to both ends about motor housing 1, install shielding motor stator through base 2 in the motor housing 1, and shielding motor stator middle part is connected with transmission shaft 3, and the one end of transmission shaft 3 runs through the motor end cover and extends to the motor housing 1 outside, and the 3 other ends of transmission shaft link to each other with the thrust bearing of motor to the use of permanent magnet in this pump in the pipe can reach an energy-conserving effect.
Referring to fig. 3, the outer end of the transmission shaft 3 is connected with a permanent magnet rotor 4, the outer end of the permanent magnet rotor 4 is provided with a motor stator electromagnetic wire 5, the outer end of the motor stator electromagnetic wire 5 is coated with an epoxy resin layer 6, the inner wall of the motor housing 1 is connected with a shielding sleeve 7, the shielding sleeve 7 is located on the outer side of the permanent magnet rotor 4, and a blank gap enclosed by the permanent magnet rotor 4, the motor stator electromagnetic wire 5, the epoxy resin layer 6, the shielding sleeve 7 and the motor housing 1 forms a shielding cavity.
The surface of one side of the transmission shaft 3, which is positioned outside the motor shell 1, is provided with a rotary groove, the rotary groove is spirally arranged on the surface of the transmission shaft 3, when in work, the transmission shaft 3 rotates, the rotating grooves on the surface of the motor drive water flow to rotate, a certain guiding effect is provided for the rotation of the water flow, the speed of the water flow passing through the motor shell 1 is accelerated, the heat exchange efficiency is improved, the shielding motor stator is effectively prevented from heating or overheating, the working efficiency of the shielding motor stator is improved, the electric energy loss is reduced, the service life is prolonged, the motor shell 1, the motor end cover and the base 2 are all made of stainless steel materials, so that the motor shell 1, the motor end cover and the base 2 all have excellent corrosion resistance, simultaneously, the motor shell 1, the motor end cover and the base 2 have better heat conductivity, so that heat generated inside is conveniently and timely conducted to the outside, and is taken away by water flow.
Referring to fig. 4-5, an intermediate plate 9 is fixedly connected to an inner wall of the shielding sleeve 7, a three-dimensional heat conduction net is disposed in the shielding cavity, one end of the three-dimensional heat conduction net is fixedly connected to the intermediate plate 9, and the other end of the three-dimensional heat conduction net is not in contact with other structures in the motor housing 1, the three-dimensional heat conduction net includes a plurality of unidirectional rods 101 distributed at three axes X, Y and Z and a plurality of three-way node balls 102, the three-way node balls 102 are fixedly connected to the plurality of unidirectional rods 101, and the three-way node balls 102 are located at intersections of the unidirectional rods 101 at three axes X, Y and Z.
Referring to fig. 6-7, the shielding cavity is filled with an epoxy resin protective layer, which is solid compared with water cooling or oil cooling, and during use and transportation, the leakage of cooling liquid caused by vibration or shaking is effectively avoided, and further the pollution of the cooling liquid to the transportation environment and water is effectively avoided, referring to fig. 3, a three-dimensional heat conduction net is embedded in the epoxy resin protective layer, so that on one hand, the heat conduction and heat absorption efficiency inside the epoxy resin protective layer is accelerated, on the other hand, the overall strength of the epoxy resin protective layer and the overall stability and shock resistance of the epoxy resin protective layer are effectively improved, when shaking occurs during transportation or use, the stress can be dispersed into the epoxy resin protective layer through the three-dimensional heat conduction net, so that the epoxy resin protective layer is uniformly stressed, a good shock absorption effect is achieved, and further the mechanical protection effect of the epoxy resin protective layer on the internal structure of the pump in the pipe is effectively improved, meanwhile, compared with water cooling and oil cooling, the solid structure of the epoxy resin protective layer effectively avoids the phenomenon that secondary impact vibration is formed on an internal structure due to flowing of cooling liquid in the interior when the epoxy resin protective layer vibrates or shakes, and further improves the mechanical protection effect.
Referring to fig. 8-9, one end of the unidirectional rod 101 close to the intermediate board 9 is folded, and the folded portion is uniformly distributed on the surface of the intermediate board 9 and contacts with the intermediate board 9, so as to effectively increase the contact area between the unidirectional rod 101 and the intermediate board 9, so that the heat scattered in the shielding cavity is absorbed by the unidirectional rod 101, and can be more uniformly and timely conducted to the intermediate board 9 and the motor housing 1, and taken away by the outside water flow, thereby increasing the dissipation efficiency of the heat accumulated in the shielding cavity, further improving the protection of the pump in the tube, and prolonging the service life, the lower end of the folded portion of the unidirectional rod 101 is fixedly connected with a plurality of uniformly distributed antennas 11, and the end of each antenna 11 is embedded into the intermediate board 9 at positions 1/3-1/2, and the antennas 11 are convenient for improving the connection strength between the three-dimensional heat-conducting net and the intermediate board 9, so that the antennas are not easy, on the other hand, the heat pipe can also play a certain role in heat conduction;
the folded part at the end of the one-way rod 101 is of a solid structure, the folded part is not convenient for flowing of liquid due to more turns, and the folded part mainly transfers heat outwards, so that the folded part is solid and is more convenient for heat conduction, the unfolded part of the one-way rod 101 is of a hollow structure, the three-way node ball 102 is filled with liquid, the liquid can be clear water, the liquid is in a three-dimensional heat conduction network, the heat absorption efficiency of the liquid is effectively improved, the absorption and the outward conduction of the heat generated by the pump in the pipe in a shielding cavity are accelerated, the liquid flows when shaking or vibration occurs, the heat is conducted faster along with the flowing of the liquid, the liquid is positioned in an epoxy resin protective layer, the effect of accelerating the heat conduction through the flowing of the liquid can be realized under the condition that the impact on the internal structure is effectively ensured to be extremely small, and the one-way rod 101, the three-way node ball 102 and the tent, after the heat accumulated in the shielding cavity is absorbed by the three-dimensional heat conduction net, the heat can be timely transmitted to the intermediate plate 9 and the motor shell 1, and the mechanical efficiency of the pump in the pipe is effectively improved.
The three-dimensional heat conduction net and the epoxy resin protective layer can be arranged in the shielding cavity, on one hand, the heat conduction and heat absorption efficiency in the epoxy resin protective layer is accelerated, the service life is prolonged, on the other hand, the three-dimensional heat conduction net can effectively improve the integral strength of the epoxy resin protective layer and the integral stability and shock resistance of the epoxy resin protective layer, when the epoxy resin protective layer shakes in the transportation or use process, the stress can be dispersed into the epoxy resin protective layer through the three-dimensional heat conduction net, so that the epoxy resin protective layer is uniformly stressed, a good shock absorption effect is achieved, the mechanical protection effect of the epoxy resin protective layer on the internal structure of the pump in the pipe is further effectively improved, meanwhile, compared with water cooling and oil cooling, due to the solid heat conduction structure of the epoxy resin protective layer in the motor, the phenomenon that the internal structure is formed into secondary impact shock due to, the mechanical protection effect is further improved, the service life is prolonged, the cooling liquid outside the motor is clean water, the use environment is not polluted, the safety and the environmental protection are realized, and meanwhile, due to the high efficiency of the permanent magnet motor, the heat generated during the operation is far lower than that of a common asynchronous motor, so that the temperature rise is reduced, and the service life of the pump in the pipe is prolonged.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims (10)

1. The utility model provides an interior network form binary state heat conduction permanent magnetism shielding intraductal pump, includes pump body in the pipe, pump body in the pipe includes casing (121) and pump casing (122) in the pipe on the pump in the pipe through clamp connection, pump casing (121) are located pump casing (122) top in the pipe, this internal motor housing (1) of installing of pump in the pipe, motor housing (1) upper end is installed pump body (8), motor housing (1) and pump body (8) outer pot head are equipped with water conservancy diversion cover (13), its characterized in that: motor end cover and base (2) are installed respectively at both ends about motor housing (1), install shielding motor stator through motor end cover base (2) in motor housing (1), shielding motor stator middle part is connected with transmission shaft (3), the one end of transmission shaft (3) runs through the motor end cover and extends to motor housing (1) outside, the thrust bearing of transmission shaft (3) other end and motor links to each other, transmission shaft (3) outer end is connected with permanent magnet rotor (4), motor stator electromagnetic wire (5) are installed to permanent magnet rotor (4) outer end, motor stator electromagnetic wire (5) outer end cladding has epoxy layer (6), motor housing (1) inner wall connection has housing (7), and housing (7) are located permanent magnet rotor (4) outside, permanent magnet rotor (4) &, The motor stator electromagnetic wire (5), the epoxy layer (6) and the shield cover (7) and the motor housing (1) between the blank clearance that encloses constitute the shielding chamber, shield cover (7) inner wall fixedly connected with intermediate plate (9), the shielding intracavity is equipped with three-dimensional heat conduction net, wherein one end and intermediate plate (9) fixed connection of three-dimensional heat conduction net, the other end of three-dimensional heat conduction net does not contact with other structures in the motor housing (1).
2. The internal mesh binary heat-conducting permanent magnet shielded tube pump according to claim 1, wherein: the surface of one side of the transmission shaft (3) positioned in the middle of the permanent magnet rotor (4) is provided with a rotary groove, and the rotary groove is spirally distributed on the surface of the transmission shaft (3).
3. The internal mesh binary heat-conducting permanent magnet shielded tube pump according to claim 1, wherein: the motor shell (1) and the motor end cover base (2) are both made of stainless steel.
4. The internal mesh binary heat-conducting permanent magnet shielded tube pump according to claim 1, wherein: the three-dimensional heat conduction net comprises a plurality of unidirectional rods (101) distributed at three axes X, Y and Z and a plurality of three-way nodal balls (102), wherein the three-way nodal balls (102) are fixedly connected with the unidirectional rods (101), and the three-way nodal balls (102) are positioned at the intersection points of X, Y and the unidirectional rods (101) on the three axes Z.
5. The internal mesh binary heat-conducting permanent magnet shielded tube pump according to claim 1, wherein: the shielding cavity is also filled with an epoxy resin protective layer, and the three-dimensional heat conduction net is embedded in the epoxy resin protective layer.
6. The internal mesh binary heat-conducting permanent magnet shielded tube pump according to claim 4, wherein: one end of the one-way rod (101) close to the intermediate plate (9) is folded, and the folded parts are uniformly distributed on the surface of the intermediate plate (9) and are in contact with the intermediate plate (9).
7. The internal mesh binary heat-conducting permanent magnet shielded tube pump according to claim 6, wherein: the lower end of the folding part of the one-way rod (101) is fixedly connected with a plurality of antennae (11) which are uniformly distributed, and the end parts of the antennae (11) are embedded into the positions 1/3-1/2 in the intermediate board (9).
8. The internal mesh binary heat-conducting permanent magnet shielded tube pump according to claim 6, wherein: the folding part of the end part of the one-way rod (101) is of a solid structure, the non-folding part of the one-way rod (101) is of a hollow structure, and liquid is filled in the three-way node ball (102).
9. The internal mesh binary heat-conducting permanent magnet shielded tube pump according to claim 8, wherein: the three-way node ball (102) is communicated with the hollow structure part of the one-way rod (101).
10. The internal mesh binary heat-conducting permanent magnet shielded tube pump according to claim 7, wherein: the unidirectional rod (101), the three-way node ball (102) and the antenna (11) are all made of heat conducting materials.
CN201910928670.2A 2019-09-28 2019-09-28 Internal mesh-shaped two-state heat-conducting permanent magnet shielding tube pump Expired - Fee Related CN110836190B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3947898B2 (en) * 2000-06-12 2007-07-25 アイム電機工業株式会社 Inverter-equipped dry submersible motor and submersible motor pump
CN104242534A (en) * 2014-10-01 2014-12-24 陈万韬 Immersion-type brushless direct-current motor
CN104505970A (en) * 2014-12-26 2015-04-08 南阳防爆集团股份有限公司 Three-phase asynchronous motor with three-fan full-circulation cooling wind path system
CN204761181U (en) * 2015-06-16 2015-11-11 雷勃电气(常州)有限公司 It is totally closed from cold mould copper bar rotor motor
CN208190374U (en) * 2018-05-30 2018-12-04 深圳派赛科技有限公司 A kind of permanent magnet machine rotor and motor
CN109681400A (en) * 2018-12-27 2019-04-26 广州通辉泵业有限公司 It is pumped in a kind of pipe with cooling device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3947898B2 (en) * 2000-06-12 2007-07-25 アイム電機工業株式会社 Inverter-equipped dry submersible motor and submersible motor pump
CN104242534A (en) * 2014-10-01 2014-12-24 陈万韬 Immersion-type brushless direct-current motor
CN104505970A (en) * 2014-12-26 2015-04-08 南阳防爆集团股份有限公司 Three-phase asynchronous motor with three-fan full-circulation cooling wind path system
CN204761181U (en) * 2015-06-16 2015-11-11 雷勃电气(常州)有限公司 It is totally closed from cold mould copper bar rotor motor
CN208190374U (en) * 2018-05-30 2018-12-04 深圳派赛科技有限公司 A kind of permanent magnet machine rotor and motor
CN109681400A (en) * 2018-12-27 2019-04-26 广州通辉泵业有限公司 It is pumped in a kind of pipe with cooling device

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