CN113507181B - High temperature resistant brushless submersible motor - Google Patents

High temperature resistant brushless submersible motor Download PDF

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Publication number
CN113507181B
CN113507181B CN202110568373.9A CN202110568373A CN113507181B CN 113507181 B CN113507181 B CN 113507181B CN 202110568373 A CN202110568373 A CN 202110568373A CN 113507181 B CN113507181 B CN 113507181B
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China
Prior art keywords
heat dissipation
dust collection
motor
temperature
assembly
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CN202110568373.9A
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CN113507181A (en
Inventor
陈冬林
樊小帅
陈君林
吴锋华
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Shenzhen Hengran Motor Co ltd
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Shenzhen Hengran Motor Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/28—Plant or installations without electricity supply, e.g. using electrets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
    • F16N31/02—Oil catchers; Oil wipers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N39/00—Arrangements for conditioning of lubricants in the lubricating system
    • F16N39/06—Arrangements for conditioning of lubricants in the lubricating system by filtration
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/124—Sealing of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/132—Submersible electric motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H02K9/227—Heat sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N2210/00—Applications
    • F16N2210/18—Electric motors

Abstract

The invention discloses a high-temperature-resistant brushless submersible motor, which belongs to the technical field of brushless submersible motors and comprises a high-temperature-resistant shell and a brushless motor main body, wherein the brushless motor main body is fixedly arranged in the high-temperature-resistant shell through a fixing frame; according to the brushless motor, the inner heat dissipation dust collection assembly is arranged in the brushless motor, the motor shaft can drive the inner heat dissipation dust collection assembly to synchronously rotate, when the inner heat dissipation dust collection assembly rotates, the inner heat dissipation dust collection assembly can play a role of the air duct to enable air flow in the inner heat dissipation dust collection assembly to rapidly flow, heat dissipation is conducted on the brushless motor body, meanwhile, the inner rubber pad in the inner heat dissipation dust collection assembly can effectively rub against the nylon outer brush, the inner rubber pad can generate static electricity, the static electricity can effectively adsorb tiny dust flying up on the brushless motor body in the rotating process of the inner heat dissipation dust collection assembly, good heat dissipation and dust collection treatment are achieved, when the brushless motor body continuously works, the inner heat dissipation dust collection assembly can continuously rotate, and the tiny dust can be continuously floated and adsorbed.

Description

High temperature resistant brushless submersible motor
Technical Field
The invention belongs to the technical field of brushless submersible motors, and particularly relates to a high-temperature-resistant brushless submersible motor.
Background
The motor is the most commonly used drive structure, and the essence of motor is exactly the process of converting electric energy into mechanical energy for the drive rotates, and the classification of motor also has a lot of, and wherein, dive motor also is one of the motor numerous and types, and dive motor as the name implies is the work motor that is submerged, and dive motor forms an organic whole for various types of immersible pump, and owing to operational environment's reason, dive motor's leakproofness requires highly.
The Chinese invention patent (CN201811370542.2) discloses a submersible motor, which comprises a rotating shaft, a rotor, a stator and a shell component with an inner cavity and an outer cavity; the rotating shaft is positioned in the inner cavity, the upper end of the rotating shaft penetrates out of the shell assembly, a sand prevention cap is in interference fit with one end of the rotating shaft, which penetrates out of the shell assembly, a supporting table vertically extends out of the end face, opposite to the sand prevention cap, of the shell assembly, the rotating shaft penetrates out of the supporting table, and the sand prevention cap is covered on the supporting table in a buckling mode; the motor is provided with a flow-limiting component on an upper fixed seat, the flow-limiting component is used for balancing the internal pressure and the external pressure of the motor, reducing the external force received by the sand-preventing cap, so that the sand-preventing effect of the sand-preventing cap is better, but the motor is not provided with a structure capable of continuously keeping the heat dissipation and dust absorption effects of the motor, the motor is not easily replaced and needs to be improved to a certain extent.
In view of the above, the present application provides a high temperature resistant brushless submersible motor to solve the above technical problems in the prior art.
Disclosure of Invention
The invention aims to: in order to solve traditional dive motor and not be provided with sustainable motor heat dissipation and dust absorption effect's that keeps structure, lead to dive motor to receive harmful effects when using, traditional dive motor inside does not design simpler more effective seal structure simultaneously, the problem of difficult change, and the brushless dive motor of a high temperature resistance that proposes.
In order to achieve the purpose, the invention adopts the following technical scheme: a high-temperature-resistant brushless submersible motor comprises a high-temperature-resistant shell and a brushless motor main body, wherein the brushless motor main body is fixedly arranged in the high-temperature-resistant shell through a fixing frame, a motor shaft is fixedly arranged at the output end of the brushless motor main body, a sealing assembly for underwater sealing of the motor is arranged on the outer wall of one side of the high-temperature-resistant shell, an internal heat dissipation and dust collection assembly for dust removal and heat dissipation of the brushless motor main body is arranged in the high-temperature-resistant shell on the outer side of the brushless motor main body, an internal heat conduction sheet is fixedly arranged on the inner wall of the high-temperature-resistant shell, a lubricating assembly for rotary lubrication of the internal heat dissipation and dust collection assembly is arranged on the inner wall of the bottom surface of the high-temperature-resistant shell, a heat transfer roller is transversely rotatably arranged in the high-temperature-resistant shell through a rotating shaft, and an electrostatic friction assembly is fixedly arranged on the inner wall of the high-temperature-resistant shell;
as a further description of the above technical solution:
the inner heat dissipation dust collection assembly is composed of a rotary drum, an inner rubber pad, an inner mounting shaft sleeve and a positioning assembly, an outer rotary groove is formed in the outer surface of the rotary drum, a plurality of heat conduction holes are formed in the outer surface of the rotary drum, the inner rubber pad is arranged on the inner wall of the rotary drum, a mounting side frame is fixedly mounted in the rotary drum, the inner mounting shaft sleeve is fixedly mounted at the center position of the mounting side frame, and the heat conduction roller is in rolling connection with the outer rotary groove.
As a further description of the above technical solution:
the motor shaft clamping device is characterized in that a positioning assembly used for being connected with a motor shaft in a clamping mode is arranged on the inner mounting shaft sleeve, the positioning assembly comprises a pull head and a positioning shaft, the top end of the positioning shaft is fixedly provided with the pull head, and the bottom end of the positioning shaft is embedded into a clamping hole formed in the inner mounting shaft sleeve in a clamping mode.
As a further description of the above technical solution:
and a connecting spring is fixedly installed on the bottom surface of the pull head, and the bottom end of the connecting spring is fixedly connected with the upper surface of the inner installation shaft sleeve.
As a further description of the above technical solution:
the sealing assembly is composed of a sealing inner sleeve and a sealing outer shell, the sealing inner sleeve is arranged on the inner side of the sealing outer shell, and motor shaft holes are formed in the center positions of the inner portions of the sealing inner sleeve and the sealing outer shell.
As a further description of the above technical solution:
the motor shaft is characterized in that an outer shaft sleeve is sleeved outside the motor shaft, the sealing inner sleeve and the outer shaft sleeve are in tight contact and are extruded, a plurality of thermal expansion particles are filled in the sealing inner sleeve and the outer shaft sleeve, and the motor shaft is matched with the motor shaft hole.
As a further description of the above technical solution:
the lubricating assembly is composed of an oil box, an oil filter screen and an oil scraping sheet, an oil nozzle is fixedly mounted on the outer wall of one side of the oil box, an oil groove is formed in the top surface of the oil box, and the oil filter screen is arranged inside the oil groove.
As a further description of the above technical solution:
the oil scraping plate is rotatably installed on the inner wall of the oil groove through the side connecting shaft, a torsion return spring is fixedly installed outside the side connecting shaft, and one end of the torsion return spring is fixedly connected with the inner wall of the oil groove.
As a further description of the above technical solution:
the static friction assembly is composed of an installation main shaft and a nylon outer brush, and the nylon outer brush is fixedly installed outside the installation main shaft.
As a further description of the above technical solution:
the side face of the nylon outer brush is in close contact with and extrudes the inner rubber pad, and the length of the nylon outer brush is consistent with that of the inner rubber pad.
As a further description of the above technical solution:
the high temperature resistant shell is square, the inside of the high temperature resistant shell is hollow, and a plurality of water guide holes are formed in the bottom of the high temperature resistant shell.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the brushless motor, the inner heat dissipation dust collection component is arranged in the inner heat dissipation dust collection component, the motor shaft can drive the inner heat dissipation dust collection component arranged outside the motor shaft to synchronously rotate, when the inner heat dissipation dust collection component rotates, the inner heat dissipation dust collection component can play a role of the air duct to enable air flow in the air duct to rapidly flow, so that heat dissipation can be effectively carried out on the brushless motor main body, meanwhile, the inner rubber pad in the inner heat dissipation dust collection component can effectively rub against the nylon outer brush, and after rubbing, the inner rubber pad can generate static electricity, so that in the rotating process of the inner heat dissipation dust collection component, the static electricity can effectively adsorb tiny dust raised on the brushless motor main body, good heat dissipation and dust collection processing can be achieved, when the brushless motor main body continuously works, the inner heat dissipation dust collection component can continuously rotate, and the tiny dust can be continuously floated and adsorbed.
2. According to the invention, the sealing component is arranged outside, when the motor shaft rotates, the outer shaft sleeve outside the motor shaft can effectively rub the sealing inner sleeve, a large amount of heat can be generated due to friction, the heat can be conducted into the thermal expansion particles in the outer shaft sleeve and the sealing inner sleeve, and the thermal expansion particles can expand after being heated, so that the contact tightness of the outer shaft sleeve and the sealing inner sleeve can be greatly improved, the sealing performance of the motor can be effectively improved, water liquid in a water body cannot easily enter the device, a good waterproof protection effect can be generated for the device, and the sealing design is low in cost and convenient to replace.
3. In the invention, the inner heat-conducting fin is arranged on the inner wall of the high-temperature resistant shell, and the high-temperature resistant shell is designed to be hollow, when the motor is used in a water body, water liquid can effectively enter the hollow shell cavity of the high-temperature resistant shell through the water guide hole, thereby keeping the low temperature effect of the high temperature resistant shell, the inner heat dissipation dust absorption component can effectively dissipate the hot air generated by the rotation of the brushless motor main body to the outside through the heat conduction holes, when the heat is conducted to the inner heat conduction sheet, the inner heat conduction sheet can effectively absorb the heat, because the inner heat conducting fin is closely attached to the high temperature resistant shell, the low temperature of the high temperature resistant shell can effectively cool the inner heat conducting fin, thereby effectively maintaining the heat absorption and heat conduction effects of the inner heat conduction fins, having ingenious and reasonable design, forming a good heat dissipation system, the working effect of the motor can be effectively guaranteed, and the problem that the traditional submersible motor is poor in heat dissipation in the closed environment is solved.
4. According to the invention, the guide roller is arranged in the heat dissipation dust collection assembly, so that when the heat dissipation dust collection assembly rotates, the guide roller can effectively provide a certain supporting force for the heat dissipation dust collection assembly, the stability of the heat dissipation dust collection assembly during rotation can be effectively improved, and meanwhile, due to the rolling transmission mode between the guide roller and the heat dissipation dust collection assembly, the rotation effect of the heat dissipation dust collection assembly can be improved on the premise of improving the stability of the heat dissipation dust collection assembly during rotation.
5. According to the invention, the lubricating component is arranged in the lubricating component, when the conduction roller and the inner heat dissipation dust collection component are mutually driven, one side of the conduction roller is positioned in the lubricating component, the rotating conduction roller can coat the lubricating oil adhered on the conduction roller on the inner heat dissipation dust collection component, so that the friction resistance when the conduction roller and the inner heat dissipation dust collection component are mutually driven can be effectively reduced, the transmission efficiency is improved, meanwhile, the oil scraping sheet can effectively scrape redundant oil on the outer surface of the rotary drum and recycle the redundant oil into the oil box during transmission, the waste of the oil is avoided, and the continuous use effect of the lubricating component is maintained.
Drawings
Fig. 1 is an exploded perspective view of a high temperature resistant brushless submersible motor.
FIG. 2 is a schematic view of a combined bottom three-dimensional structure of a high temperature resistant brushless submersible motor.
Fig. 3 is a schematic diagram of an internal structure of a high temperature resistant housing in a high temperature resistant brushless submersible motor.
Fig. 4 is a schematic perspective view of an internal heat dissipation dust collection assembly in a high temperature resistant brushless submersible motor.
Fig. 5 is an enlarged perspective view of a lubrication assembly in a high temperature resistant brushless submersible motor.
Fig. 6 is an enlarged perspective view of an electrostatic friction assembly in a high temperature resistant brushless submersible motor.
Fig. 7 is an enlarged schematic view of a high temperature resistant brushless submersible motor at a.
Fig. 8 is an enlarged structural view of a B position in a high temperature resistant brushless submersible motor.
Fig. 9 is an enlarged structural view of a high temperature resistant brushless submersible motor at C.
Illustration of the drawings:
1. a high temperature resistant housing; 2. an outer sleeve; 3. a motor shaft; 4. a seal assembly; 41. sealing the inner sleeve; 42. sealing the housing; 43. a motor shaft hole; 5. a water guide hole; 6. an internal heat dissipation dust collection assembly; 61. a rotating drum; 62. a heat conduction hole; 63. an outer rotary groove; 64. an inner rubber pad; 65. a shaft sleeve is arranged in the bearing; 66. installing a side frame; 67. a positioning assembly; 671. a slider; 672. a connecting spring; 673. positioning the shaft; 7. a brushless motor main body; 8. a mounting frame; 9. a lubrication assembly; 91. an oil box; 92. an oil sump; 93. an oil filter screen; 94. an oil scraping sheet; 95. a side connecting shaft; 96. a torsion return spring; 97. a nozzle tip; 10. a transfer roller; 11. thermally expanding particles; 12. an electrostatic friction component; 121. installing a main shaft; 122. nylon outer brushes; 13. an inner heat-conducting fin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the embodiment discloses a high temperature resistant brushless submersible motor, which includes a high temperature resistant housing 1 and a brushless motor main body 7, the interior of the high temperature resistant housing 1 is fixedly provided with the brushless motor main body 7 through a fixing frame, the output end of the brushless motor main body 7 is fixedly provided with a motor shaft 3, the outer wall of one side of the high temperature resistant housing 1 is provided with a sealing component 4 for sealing the motor underwater, the outer side of the brushless motor main body 7, which is located inside the high temperature resistant housing 1, is provided with an internal heat dissipation dust collection component 6 for dust removal and heat dissipation of the brushless motor main body 7, the inner wall of the high temperature resistant housing 1 is fixedly provided with an internal heat conduction sheet 13, the inner wall of the bottom surface of the high temperature resistant housing 1 is provided with a lubricating component 9 for rotational lubrication of the internal heat dissipation dust collection component 6, the interior of the high temperature resistant housing 1 is transversely rotatably provided with a heat conduction roller 10 through a rotating shaft, and the inner wall of the high temperature resistant housing 1 is fixedly provided with an electrostatic friction component 12;
furthermore, the internal heat dissipation dust collection assembly 6 comprises a rotary drum 61, an internal rubber pad 64, an internal mounting shaft sleeve 65 and a positioning assembly 67, an external rotary groove 63 is formed on the outer surface of the rotary drum 61, a plurality of heat conduction holes 62 are formed on the outer surface of the rotary drum 61, the internal rubber pad 64 is arranged on the inner wall of the rotary drum 61, a mounting side frame 66 is fixedly mounted inside the rotary drum 61, the internal mounting shaft sleeve 65 is fixedly mounted at the central position of the mounting side frame 66, the conduction roller 10 is in rolling connection with the external rotary groove 63, the positioning assembly 67 for clamping connection with the motor shaft 3 is arranged on the internal mounting shaft sleeve 65, the positioning assembly 67 comprises a puller 671 and a positioning shaft 673, the top end of the positioning shaft 673 is fixedly mounted with the puller 671, the bottom end of the positioning shaft 673 is clamped and embedded into a clamping hole formed inside the internal mounting shaft sleeve 65, a connecting spring 672 is fixedly mounted on the bottom surface of the puller 671, and the bottom end of the connecting spring 672 is fixedly connected with the upper surface of the internal mounting shaft sleeve 65, the electrostatic friction assembly 12 is composed of an installation main shaft 121 and a nylon outer brush 122, the nylon outer brush 122 is fixedly installed outside the installation main shaft 121, the side surface of the nylon outer brush 122 is tightly contacted and extruded with the inner rubber pad 64, and the lengths of the nylon outer brush 122 and the inner rubber pad 64 are consistent;
by adopting the structure arrangement, through the arrangement of the positioning component 67, the positioning component 67 consists of the pull head 671 and the positioning shaft 673, through the arrangement of the electrostatic friction component 12, the electrostatic friction component 12 consists of the mounting main shaft 121 and the nylon outer brush 122, when the motor works normally, the brushless motor main body 7 is opened to drive the motor shaft 3 to rotate, the motor shaft 3 can drive the inner heat dissipation dust absorption component 6 arranged outside the motor shaft to synchronously rotate, when the inner heat dissipation dust absorption component 6 rotates, the inner heat dissipation dust absorption component 6 can play the role of an air duct to enable the air flow inside the inner heat dissipation dust absorption component 6 to rapidly flow, so that the brushless motor main body 7 can be effectively dissipated with heat, meanwhile, when the inner heat dissipation dust absorption component 6 rotates, the inner rubber pad 64 inside the inner heat dissipation dust absorption component 6 can effectively rub against the nylon outer brush 122, after the rubbing, the inner rubber pad 64 can generate static electricity, so that the inner heat dissipation dust absorption component 6 rotates, static electricity can effectively adsorb dust raised on the brushless motor main body 7, so that good heat dissipation and dust collection treatment are achieved, when the brushless motor main body 7 continuously works, the internal heat dissipation dust collection assembly 6 can continuously rotate, and the dust can be continuously floated and adsorbed;
further, the sealing assembly 4 is composed of a sealing inner sleeve 41 and a sealing outer shell 42, the sealing inner sleeve 41 is arranged on the inner side of the sealing outer shell 42, motor shaft holes 43 are formed in the inner center positions of the sealing inner sleeve 41 and the sealing outer shell 42, an outer shaft sleeve 2 is sleeved outside the motor shaft 3, the sealing inner sleeve 41 and the outer shaft sleeve 2 are in tight contact and are extruded, a plurality of thermal expansion particles 11 are filled in the sealing inner sleeve 41 and the outer shaft sleeve 2, the thermal expansion particles 11 are graphite powder particles, and the motor shaft 3 and the motor shaft holes 43 are matched with each other;
by adopting the structure, when the device is used, when the motor shaft 3 rotates, the outer shaft sleeve 2 can effectively rub the inner sealing sleeve 41, a large amount of heat can be generated by rubbing, the heat can be conducted to the outer shaft sleeve 2 and the thermal expansion particles 11 in the inner sealing sleeve 41, and the thermal expansion particles 11 can expand after being heated, so that the contact tightness between the outer shaft sleeve 2 and the inner sealing sleeve 41 can be greatly improved, and the sealing performance of the motor can be effectively improved;
further, the lubricating assembly 9 is composed of an oil box 91, an oil filter screen 93 and an oil scraping sheet 94, an oil nipple 97 is fixedly installed on the outer wall of one side of the oil box 91, an oil groove 92 is formed in the top surface of the oil box 91, the oil filter screen 93 is arranged inside the oil groove 92, the oil scraping sheet 94 is rotatably installed on the inner wall of the oil groove 92 through a side connecting shaft 95, a torsion return spring 96 is fixedly installed outside the side connecting shaft 95, and one end of the torsion return spring 96 is fixedly connected with the inner wall of the oil groove 92;
by adopting the above structure, when the inner heat dissipation dust collection assembly 6 rotates, the conduction roller 10 can effectively provide a certain supporting force for the inner heat dissipation dust collection assembly 6, and can effectively improve the stability when the inner heat dissipation dust collection assembly 6 rotates, and meanwhile, because the transmission mode between the conduction roller 10 and the inner heat dissipation dust collection assembly 6 is rolling, on the premise of improving the stability when the inner heat dissipation dust collection assembly 6 rotates, the rotation effect of the inner heat dissipation dust collection assembly 6 can be improved, when the conduction roller 10 and the inner heat dissipation dust collection assembly 6 are mutually transmitted, because one side of the conduction roller 10 is positioned in the lubricating assembly 9, the rotating conduction roller 10 can brush the lubricating oil adhered on the rotating conduction roller on the inner heat dissipation dust collection assembly 6, the friction resistance when the conduction roller 10 and the inner heat dissipation dust collection assembly 6 are mutually transmitted can be effectively reduced, the transmission efficiency is improved, and meanwhile, when the oil scraping sheet 94 can effectively recycle the redundant oil on the outer surface of the rotary drum 61 into the oil box 91 again, the waste of oil is avoided;
further, the high-temperature resistant shell 1 is square, the interior of the high-temperature resistant shell 1 is hollow, and a plurality of water guide holes 5 are formed in the bottom of the high-temperature resistant shell 1;
adopt foretell structure setting, when the motor uses in the water, water liquid can effectively get into the cavity intracavity of high temperature resistant shell 1 through water guide hole 5, thereby keep high temperature resistant shell 1's low temperature effect, interior heat dissipation dust absorption subassembly 6 can effectively disperse to the outside through heat conduction hole 62 to the rotatory hot-blast of producing of brushless motor main part 7 this moment, when heat conduction is to interior conducting strip 13 on, interior conducting strip 13 can effectively adsorb the heat, because interior conducting strip 13 is with high temperature resistant shell 1 close adherence clothes, consequently high temperature resistant shell 1's low temperature can effectively be cooled down to interior conducting strip 13, thereby effectively keep the heat conduction effect of interior conducting strip 13.
The working principle is as follows: when the motor works, the brushless motor main body 7 is opened to drive the motor shaft 3 to rotate, the motor shaft 3 can drive the inner heat dissipation dust collection component 6 arranged outside the motor shaft to synchronously rotate, when the inner heat dissipation dust collection component 6 rotates, the inner heat dissipation dust collection component 6 can play a role of an air duct to enable air flow inside the inner heat dissipation dust collection component to rapidly flow, so that the brushless motor main body 7 can be effectively dissipated, meanwhile, when the inner heat dissipation dust collection component 6 rotates, the inner rubber pad 64 inside the inner heat dissipation dust collection component 6 can effectively rub against the nylon outer brush 122, after rubbing, the inner rubber pad 64 can generate static electricity, so that in the rotating process of the inner heat dissipation dust collection component 6, the static electricity can effectively adsorb tiny dust on the brushless motor main body 7, good heat dissipation and dust collection processing is achieved, when the brushless motor main body 7 continuously works, the inner heat dissipation dust collection component 6 can continuously rotate to continuously float and adsorb the tiny dust, when the motor shaft 3 rotates, the outer shaft sleeve 2 outside the motor shaft can effectively rub the inner sealing sleeve 41, a large amount of heat can be generated due to friction, the heat can be conducted into the outer shaft sleeve 2 and the thermal expansion particles 11 in the inner sealing sleeve 41, the thermal expansion particles 11 can expand after being heated, so that the contact tightness between the outer shaft sleeve 2 and the inner sealing sleeve 41 can be greatly improved, and the sealing performance of the motor can be effectively improved, when the motor is used in a water body, water can effectively enter the hollow shell cavity of the high temperature resistant shell 1 through the water guide holes 5, so that the low-temperature effect of the high temperature resistant shell 1 is kept, at the moment, hot air generated by the rotation of the brushless motor main body 7 by the inner heat dissipation and dust collection assembly 6 can effectively radiate outwards through the heat conduction holes 62, when the heat is conducted to the inner heat conduction fins 13, the inner heat conduction fins 13 can effectively absorb the heat, and the inner heat conduction fins 13 are tightly attached to the high temperature resistant shell 1, therefore, the low temperature of the high temperature resistant housing 1 can effectively cool the inner heat conducting sheet 13, thereby effectively maintaining the heat absorption and heat conduction effect of the inner heat conducting sheet 13, when the inner heat dissipation dust collection assembly 6 rotates, the conduction roller 10 can effectively provide a certain supporting force for the inner heat dissipation dust collection assembly 6, and can effectively improve the stability when the inner heat dissipation dust collection assembly 6 rotates, meanwhile, because the conduction roller 10 and the inner heat dissipation dust collection assembly 6 are in a rolling transmission mode, on the premise of improving the stability when the inner heat dissipation dust collection assembly 6 rotates, the rotation effect of the inner heat dissipation dust collection assembly 6 can be improved, when the conduction roller 10 and the inner heat dissipation dust collection assembly 6 are mutually transmitted, because one side of the conduction roller 10 is positioned in the lubricating assembly 9, the rotating conduction roller 10 can coat the lubricating oil adhered thereon on the inner heat dissipation dust collection assembly 6, and can effectively reduce the friction resistance when the conduction roller 10 and the inner heat dissipation dust collection assembly 6 are mutually transmitted, promote transmission efficiency, simultaneously when the transmission, this frizing piece 94 can effectively strike off the unnecessary fluid of rotary drum 61 surface and retrieve again to the oil box 91 in, avoid the waste of fluid.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (5)

1. The utility model provides a high temperature resistant brushless submersible motor, includes high temperature resistant shell (1) and brushless motor main part (7), its characterized in that: the high-temperature-resistant motor is characterized in that a brushless motor main body (7) is fixedly arranged in the high-temperature-resistant shell (1) through a fixing frame, a motor shaft (3) is fixedly arranged at the output end of the brushless motor main body (7), a sealing assembly (4) used for sealing the motor underwater is arranged on the outer wall of one side of the high-temperature-resistant shell (1), an inner heat dissipation dust absorption assembly (6) used for dust removal and heat dissipation of the brushless motor main body (7) is arranged inside the high-temperature-resistant shell (1) in the outer side of the brushless motor main body (7), an inner heat conduction sheet (13) is fixedly arranged on the inner wall of the high-temperature-resistant shell (1), a lubricating assembly (9) used for rotating and lubricating the inner heat dissipation dust absorption assembly (6) is arranged on the inner wall of the bottom surface of the high-temperature-resistant shell (1), a transmission roller (10) is transversely rotatably arranged in the high-temperature-resistant shell (1) through a rotating shaft, and an electrostatic friction assembly (12) is fixedly arranged on the inner wall of the high-temperature-resistant shell (1), the high-temperature resistant shell (1) is square, the interior of the high-temperature resistant shell (1) is hollow, and a plurality of water guide holes (5) are formed in the bottom of the high-temperature resistant shell (1);
the inner heat dissipation dust collection assembly (6) is composed of a rotary drum (61), an inner rubber pad (64), an inner mounting shaft sleeve (65) and a positioning assembly (67), an outer rotary groove (63) is formed in the outer surface of the rotary drum (61), a plurality of heat conduction holes (62) are formed in the outer surface of the rotary drum (61), the inner rubber pad (64) is arranged on the inner wall of the rotary drum (61), a mounting side frame (66) is fixedly mounted inside the rotary drum (61), the inner mounting shaft sleeve (65) is fixedly mounted at the central position of the mounting side frame (66), the heat conduction roller (10) is in rolling connection with the outer rotary groove (63), one side of the heat conduction roller (10) is located in the lubricating assembly (9), the inner mounting shaft sleeve (65) is provided with the positioning assembly (67) which is used for being connected with the motor shaft (3) in a clamping manner, and the positioning assembly (67) is composed of a pull head (671) and a positioning shaft (673), the top fixed mounting of location axle (673) has pull head (671), the bottom card of location axle (673) is embedded in the card hole that the inside of interior installation axle sleeve (65) was seted up, fixed mounting has connecting spring (672) on the bottom surface of pull head (671), the bottom of connecting spring (672) is connected with the upper surface fixed of interior installation axle sleeve (65).
2. The high-temperature-resistant brushless submersible motor according to claim 1, wherein the sealing assembly (4) is composed of a sealing inner sleeve (41) and a sealing outer shell (42), the sealing inner sleeve (41) is arranged on the inner side of the sealing outer shell (42), motor shaft holes (43) are formed in the center positions of the inner portions of the sealing inner sleeve (41) and the sealing outer shell (42), an outer shaft sleeve (2) is sleeved on the outer portion of the motor shaft (3), the sealing inner sleeve (41) is tightly contacted with and extruded by the outer shaft sleeve (2), a plurality of thermal expansion particles (11) are filled in the inner portions of the sealing inner sleeve (41) and the outer shaft sleeve (2), and the motor shaft (3) is matched with the motor shaft holes (43) in a mutual mode.
3. The high-temperature-resistant brushless submersible motor according to claim 2, wherein the lubricating assembly (9) comprises an oil box (91), an oil filter screen (93) and an oil scraping sheet (94), an oil nipple (97) is fixedly mounted on the outer wall of one side of the oil box (91), an oil groove (92) is formed in the top surface of the oil box (91), the oil filter screen (93) is arranged inside the oil groove (92), the oil scraping sheet (94) is rotatably mounted on the inner wall of the oil groove (92) through a side connecting shaft (95), a torsion return spring (96) is fixedly mounted outside the side connecting shaft (95), and one end of the torsion return spring (96) is fixedly connected with the inner wall of the oil groove (92).
4. The high-temperature-resistant brushless submersible motor as claimed in claim 3, wherein the electrostatic friction assembly (12) is composed of a mounting spindle (121) and a nylon outer brush (122), the nylon outer brush (122) is fixedly mounted on the outside of the mounting spindle (121), the side surface of the nylon outer brush (122) is in close contact with and is pressed against the inner rubber pad (64), and the length of the nylon outer brush (122) is consistent with that of the inner rubber pad (64).
5. The high temperature resistant brushless submersible motor according to claim 4, wherein the nylon outer brush (122) has its side surface closely contacted and pressed with the inner rubber pad (64), and the nylon outer brush (122) and the inner rubber pad (64) have the same length.
CN202110568373.9A 2021-05-24 2021-05-24 High temperature resistant brushless submersible motor Active CN113507181B (en)

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CN116388443B (en) * 2023-06-05 2023-08-29 深圳市恒然电机有限公司 Anti-eccentric-wear brushless submersible motor

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