CN118783696B - A permanent magnet motor for circulating cooling of water conservancy projects - Google Patents
A permanent magnet motor for circulating cooling of water conservancy projects Download PDFInfo
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- CN118783696B CN118783696B CN202411261759.5A CN202411261759A CN118783696B CN 118783696 B CN118783696 B CN 118783696B CN 202411261759 A CN202411261759 A CN 202411261759A CN 118783696 B CN118783696 B CN 118783696B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 238000001816 cooling Methods 0.000 title claims abstract description 58
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 34
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 229910052742 iron Inorganic materials 0.000 claims abstract description 10
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims description 32
- 238000004140 cleaning Methods 0.000 claims description 19
- 230000004323 axial length Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 230000009471 action Effects 0.000 description 8
- 239000000498 cooling water Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000002800 charge carrier Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
本发明涉及水利工程机电设备技术领域，特别是一种用于水利工程的高效循环冷却的永磁电机，包括电机壳，电机壳的内部安装有散热管，散热管的内部安装有转子铁芯，驱动轴的外壁两侧均套设有扇叶，驱动轴的外壁外端套设有主动斜齿盘，进液铜管和出液铜管内壁从前至后均匀间隔通过U型管连接；以及，调速组件，包括滑动架和固定连接在其上表面两侧边缘处的顶部固定块和底部固定块，转轴的一端贯穿输水盒一侧内壁上的轴承与从动斜齿盘连接；顶部固定块的内壁中心位置嵌入有第一电磁块，底部固定块的内壁中心位置嵌入有第二电磁块，滑动块的两侧外壁上均嵌入有铁块，该用于水利工程的高效循环冷却的永磁电机在使用中具有高效节能冷却的特点。
The invention relates to the technical field of electromechanical equipment for water conservancy projects, in particular to a permanent magnet motor for efficient circulation cooling of water conservancy projects, comprising a motor housing, a heat dissipation pipe installed inside the motor housing, a rotor iron core installed inside the heat dissipation pipe, fan blades are sleeved on both sides of the outer wall of a driving shaft, an active helical gear plate is sleeved on the outer end of the outer wall of the driving shaft, and the inner walls of a liquid inlet copper tube and a liquid outlet copper tube are evenly spaced from front to back and connected by U-shaped tubes; and a speed regulating component, comprising a sliding frame and a top fixed block and a bottom fixed block fixedly connected to the edges of both sides of the upper surface thereof, one end of the rotating shaft passes through a bearing on the inner wall of one side of a water delivery box and is connected to the driven helical gear plate; a first electromagnetic block is embedded in the center position of the inner wall of the top fixed block, a second electromagnetic block is embedded in the center position of the inner wall of the bottom fixed block, and iron blocks are embedded in the outer walls of both sides of the sliding block. The permanent magnet motor for efficient circulation cooling of water conservancy projects has the characteristics of efficient energy-saving cooling during use.
Description
Technical Field
The invention relates to the technical field of hydraulic engineering electromechanical equipment, in particular to a permanent magnet motor for efficient circulating cooling of hydraulic engineering.
Background
The hydraulic engineering is a project constructed for controlling, utilizing and protecting water resources and environments on the earth surface and underground, is mainly used for controlling and preparing surface water and underground water in the nature, and achieves the aim of harm removal, and because the hydraulic engineering is generally huge in volume, various electromechanical devices can be involved and used in the hydraulic engineering, the permanent magnet motor is one of the driving devices, the permanent magnet motor provides excitation by the permanent magnet, so that the motor is simpler in structure, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, the operation reliability of the motor is improved, and because exciting current is not needed, exciting loss is avoided, and the efficiency and the power density of the motor are improved.
The permanent magnet motor can generate heat in the use process, so that the permanent magnet motor is generally required to be cooled to ensure the stable operation. As disclosed in the prior publication CN117040192B, a high-speed permanent magnet motor with a high-speed rotor, a permanent magnet motor with efficient and stable heat dissipation and cooling is disclosed.
The existing permanent magnet motor for efficient circulating cooling of hydraulic engineering can realize cooling of the permanent magnet motor, but has certain defects in actual use: firstly, the existing permanent magnet motor mostly adopts a cooling fan or a circulating water flow pipeline is additionally arranged on the surface of a motor cover to realize the purpose of radiating the permanent magnet motor, the mode adopts a single air cooling mode to radiate, the efficiency is low, the effect is poor, circulating water flow measures are additionally arranged on the outer side, the cooling efficiency of the heat inside the motor shell is still low, the effect is poor, meanwhile, the circulating water on the outer side is recycled for a long time, the heat replaced by recycling cannot be radiated, and the subsequent cooling efficiency and the subsequent cooling effect can be influenced; secondly, when the existing permanent magnet motor uses the cooling fan to dissipate heat, because the ventilation inside the permanent magnet motor needs to be realized, a large amount of dust can be accumulated at the air inlet of the permanent magnet motor in the long-time heat dissipation process, the subsequent heat dissipation can be influenced, the labor amount can be increased by manual periodic cleaning, and the efficiency is low; finally, when the temperature of the existing permanent magnet motor is too low or too high, irreversible demagnetization or loss of magnetization can be possibly generated under the action of armature reaction generated by impact current or during severe mechanical vibration, so that the motor performance is reduced and even the motor cannot be used; accordingly, there is a need for improvements in the art to address the above-described problems.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the application and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the application and in the title of the application, which may not be used to limit the scope of the application.
In view of the problems that the existing permanent magnet motor for efficient circulation cooling of hydraulic engineering generally adopts a cooling fan or a circulating water flow pipeline is additionally arranged on the surface of a motor cover so as to achieve the purpose of radiating the permanent magnet motor, the mode has low radiating efficiency and poor effect, and the permanent magnet motor for efficient circulation cooling of hydraulic engineering is provided.
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a permanent magnet motor for hydraulic engineering's high-efficient circulative cooling, including the motor casing, the internally mounted of motor casing has the cooling tube, the internally mounted of cooling tube has rotor core, the inside central point of rotor core puts and installs the drive shaft, the outer wall both sides of drive shaft all overlap and are equipped with the flabellum, the outer pot head of outer wall of drive shaft is equipped with initiative inclined fluted disc, the mount pad is installed to one side terminal surface of motor casing, the inner wall outside of mount pad is provided with the ring channel, one side of ring channel is provided with U type pipe along its radial line direction array, the both ends of U type pipe are with feed liquor copper pipe and play liquid copper pipe fixed connection respectively; the speed regulating assembly comprises a sliding frame, a top fixed block and a bottom fixed block which are fixedly connected with the edges of the two sides of the upper surface of the sliding frame, the middle part of the upper surface of the sliding frame is connected with the sliding block in a sliding manner, the rear end of the sliding block is fixedly connected with a water delivery box, a bearing at the rear end of the inner wall of the water delivery box is rotationally connected with a rotating shaft, a water delivery wheel is sleeved on one side of the outer wall of the rotating shaft, one end of the rotating shaft penetrates through the bearing on the inner wall of one side of the water delivery box and is connected with a driven bevel gear disc, an auxiliary shaft is rotationally connected with the bearing at the front end of the inner wall of the water delivery box, and an auxiliary wheel is sleeved on the middle section of the outer wall of the auxiliary shaft; the first electromagnetic block is embedded in the center of the inner wall of the top fixed block, the second electromagnetic block is embedded in the center of the inner wall of the bottom fixed block, and the iron blocks are embedded in the outer walls of the two sides of the sliding block.
As a preferable scheme of the permanent magnet motor for efficient circulation cooling of hydraulic engineering, the invention comprises the following steps: the outer walls of the two sides of the motor casing are uniformly spaced along the circumferential direction and provided with ventilation holes, the outer walls of the mounting seat are uniformly spaced along the circumferential direction and provided with ventilation frames.
As a preferable scheme of the permanent magnet motor for efficient circulation cooling of hydraulic engineering, the invention comprises the following steps: stator coils are uniformly arranged on the outer side of the rotor core at intervals along the circumferential direction, and a spline shaft is arranged at the other end of the driving shaft; the inner end of the radiating hole penetrates through the inner wall of the annular groove, and the U-shaped tube is located between the motor casing and the radiating tube.
As a preferable scheme of the permanent magnet motor for efficient circulation cooling of hydraulic engineering, the invention comprises the following steps: a first water inlet pipe is arranged at the center of the bottom of the water delivery box, and a first water outlet pipe is arranged at the center of the top of the water delivery box; the sliding frame is obliquely arranged in the horizontal direction, two groups of iron blocks are correspondingly arranged with the adjacent first electromagnetic block and second electromagnetic block, and the other end of the first water outlet pipe is connected with the water inlet end of the liquid inlet copper pipe through a pipe joint.
As a preferable scheme of the permanent magnet motor for efficient circulation cooling of hydraulic engineering, the invention comprises the following steps: the water delivery wheel and the auxiliary wheel are both positioned in the water delivery box, the outer walls of the water delivery wheel and the auxiliary wheel are meshed to achieve the purpose of water delivery, the racks on the outer wall of the driven helical gear disc are meshed with the racks on the outer wall of the driving helical gear disc, and the axial length of the driven helical gear disc is longer than that of the driving helical gear disc.
The beneficial effects of the invention are as follows: through setting up the speed governing subassembly, the electric current size of adjustment first electromagnetism piece and second electromagnetism piece, and the iron plate that corresponds of cooperation sliding block both sides, thereby can change the sliding block both sides and receive the magnetic attraction effort size, make the sliding block can slide on the carriage surface, and then can change the position of water delivery box and driven skewed tooth dish, reach the mesh synchronous motion's of the different diameter departments of messenger driven skewed tooth dish and initiative skewed tooth dish meshing purpose, and because the diameter of driven skewed tooth dish and initiative skewed tooth dish meshing contact department changes, and then in the unchangeable condition of initiative skewed tooth dish, can adjust the rotational speed of driven skewed tooth dish, reach the purpose of adjustment pivot, water delivery wheel rotational speed, thereby can be according to permanent magnet machine's running power, adjust the cooling water velocity of flow, realize high-efficient radiating effect under different powers, resources are saved simultaneously.
In view of the problems that the existing permanent magnet motor for the efficient circulation cooling of hydraulic engineering can accumulate a large amount of dust at the air inlet of the permanent magnet motor in the air cooling heat dissipation process, the follow-up heat dissipation can be influenced, and the manual periodic cleaning can increase the labor amount and the efficiency is low, the invention provides a further improvement of the permanent magnet motor for the efficient circulation cooling of hydraulic engineering.
As a preferable scheme of the permanent magnet motor for efficient circulation cooling of hydraulic engineering, the invention comprises the following steps: the motor casing is characterized by further comprising a cleaning assembly arranged on the end face of the other side of the motor casing, the cleaning assembly comprises a ventilation hood arranged on the outer wall of the motor casing and a mounting frame arranged on the outer wall of the motor casing, and a spline housing is arranged between the ventilation hood and the adjacent mounting frame.
As a preferable scheme of the permanent magnet motor for efficient circulation cooling of hydraulic engineering, the invention comprises the following steps: the first electromagnetic ring is embedded in the center of the outer wall of the ventilation hood, the second electromagnetic ring is embedded in the center of the inner wall of the installation frame, the iron rings are embedded in the center of the end faces of the two sides of the spline housing, and the iron rings, the first electromagnetic ring and the second electromagnetic ring are coaxially arranged.
As a preferable scheme of the permanent magnet motor for efficient circulation cooling of hydraulic engineering, the invention comprises the following steps: the spline housing is in sliding sleeve connection on the outer wall of the spline shaft, connecting plates are fixedly connected to two sides of the outer wall of the spline housing, and cleaning brushes are arranged on the inner wall of the connecting plates.
The invention has the following beneficial effects: through setting up clean subassembly, the adjustment is to the circular telegram of first electric magnetic ring and second electric magnetic ring to the iron ring of cooperation spline housing both sides makes the spline housing can slide on the integral key shaft outer wall, makes it can be close to or keep away from the ventilation hood outer wall, can drive the spline housing rotatory at last under the effect of drive shaft, integral key shaft, reaches the rotatory purpose of cleaning brush on the connecting plate, realizes the cleanness to the ventilation hood, so the staff can regularly clean the ventilation hood, practices thrift manpower and materials, work efficiency and cleaning efficiency are high.
In view of the problems that the existing permanent magnet motor for the efficient circulation cooling of hydraulic engineering is likely to generate irreversible demagnetization or loss of magnetization under the action of armature reaction generated by impact current or in severe mechanical vibration when the temperature is too low or too high, the performance of the motor is reduced and even the motor cannot be used, the invention provides a further improvement of the permanent magnet motor for the efficient circulation cooling of hydraulic engineering.
As a preferable scheme of the permanent magnet motor for efficient circulation cooling of hydraulic engineering, the invention comprises the following steps: the motor is characterized by further comprising a temperature adjusting component arranged right below the motor casing, wherein the temperature adjusting component comprises a hot and cold water tank arranged at the bottom of the motor casing and a thermoelectric refrigerator arranged on the outer wall of one side of the hot and cold water tank, a second water outlet pipe is arranged at the front end of the outer wall of the other side of the hot and cold water tank, and a second water inlet pipe is arranged at the corner of one side of the upper surface of the hot and cold water tank.
As a preferable scheme of the permanent magnet motor for efficient circulation cooling of hydraulic engineering, the invention comprises the following steps: the other end of the second water outlet pipe is connected with the first connecting pipe through a pipe joint, the other end of the first connecting pipe is connected with the first water inlet pipe through a pipe joint, the other end of the second water inlet pipe is connected with the second connecting pipe through a pipe joint, and the other end of the second connecting pipe is connected with the liquid outlet copper pipe through a pipe joint.
The invention has the following beneficial effects: through setting up temperature regulation subassembly, utilize thermoelectric cooler to realize heating or refrigeration to the water in the hot and cold water tank to can heat or cool off permanent magnet motor under different temperature environment, guarantee that permanent magnet motor operates under suitable temperature, reduce the probability of demagnetizing, increase permanent magnet motor's life.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
Fig. 1 is a schematic diagram of the overall structure of a permanent magnet motor for efficient circulation cooling of hydraulic engineering in the present invention.
Fig. 2 is a schematic diagram of the overall structure of the permanent magnet motor for efficient circulation cooling of hydraulic engineering in the present invention.
Fig. 3 is a schematic cross-sectional view of a motor housing according to the present invention.
Fig. 4 is a schematic structural view of a motor casing according to the present invention.
Fig. 5 is a schematic diagram illustrating disassembly of a motor casing according to the present invention.
Fig. 6 is a schematic diagram of the overall structure of the speed adjusting assembly of the structure of fig. 1 according to the present invention.
Fig. 7 is a schematic diagram of the overall structure of the speed adjusting assembly in the structure of fig. 1 according to the present invention.
FIG. 8 is a schematic cross-sectional view of the water delivery cartridge of the structure of FIG. 7 in accordance with the present invention.
FIG. 9 is a schematic illustration showing a disassembly of the cleaning assembly of the structure of FIG. 2 according to the present invention.
FIG. 10 is a schematic illustration showing a disassembly of the cleaning assembly of the structure of FIG. 2 according to the present invention.
FIG. 11 is a schematic view of a temperature adjustment assembly of the structure of FIG. 2 according to the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" 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.
Further, in describing the embodiments of the present invention in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present invention. In addition, the three-dimensional dimensions of the axial length, width and depth should be included in practical fabrication.
Example 1
Referring to fig. 1,3, 5, 6, 7 and 8, a first embodiment of the present invention provides a permanent magnet motor for efficient circulation cooling of hydraulic engineering, which achieves the purpose of adjusting the flow rate of cooling water according to the power of the permanent magnet motor by changing the diameter position of the driven inclined fluted disc 206b in contact with the driving inclined fluted disc 105e, and achieves efficient energy-saving heat dissipation.
Specifically, the motor comprises a motor casing 100, a radiating pipe 102 is arranged in the motor casing 100, a rotor iron core 105 is arranged in the radiating pipe 102, a driving shaft 105b is arranged in the center of the rotor iron core 105, fan blades 105c are sleeved on two sides of the outer wall of the driving shaft 105b, an active bevel gear 105e is sleeved on the outer end of the outer wall of the driving shaft 105b, an installation seat 103 is arranged on one side end surface of the motor casing 100, an annular groove 103a is arranged on the outer side of the inner wall of the installation seat 103, U-shaped pipes 106a are arranged on one side of the annular groove 103a in an array manner along the radial direction of the annular groove, and two ends of each U-shaped pipe 106a are fixedly connected with a liquid inlet copper pipe 106 and a liquid outlet copper pipe 107 respectively; the speed regulating assembly 200 comprises a sliding frame 201, a top fixing block 202 and a bottom fixing block 203 which are fixedly connected to the edges of two sides of the upper surface of the sliding frame 201, a sliding block 204 is slidably connected to the middle part of the upper surface of the sliding frame 201, a water delivery box 205 is fixedly connected to the rear end of the sliding block 204, a rotating shaft 206 is rotatably connected to the rear end bearing of the inner wall of the water delivery box 205, a water delivery wheel 206a is sleeved on one side of the outer wall of the rotating shaft 206, one end of the rotating shaft 206 penetrates through a bearing on the inner wall of one side of the water delivery box 205 and is connected with a driven bevel gear 206b, an auxiliary shaft 207 is rotatably connected to the front end bearing of the inner wall of the water delivery box 205, and an auxiliary wheel 207a is sleeved on the middle section of the outer wall of the auxiliary shaft 207; a first electromagnetic block 202a is embedded in the center of the inner wall of the top fixed block 202, a second electromagnetic block 203a is embedded in the center of the inner wall of the bottom fixed block 203, and iron blocks 204a are embedded in the outer walls of the two sides of the sliding block 204; a first water inlet pipe 205a is arranged at the bottom center of the water delivery box 205, and a first water outlet pipe 205b is arranged at the top center of the water delivery box 205; wherein, the sliding frame 201 is arranged obliquely in the horizontal direction, two groups of iron blocks 204a are arranged corresponding to the adjacent first electromagnetic block 202a and second electromagnetic block 203a, and the other end of the first water outlet pipe 205b is connected with the water inlet end of the liquid inlet copper pipe 106 through a pipe joint; the water delivery wheel 206a and the auxiliary wheel 207a are both positioned in the water delivery box 205, the outer walls of the water delivery wheel 206a and the auxiliary wheel 207a are meshed to achieve the purpose of water delivery, racks on the outer wall of the driven helical gear disc 206b are meshed with racks on the outer wall of the driving helical gear disc 105e, and the axial length of the driven helical gear disc 206b is longer than that of the driving helical gear disc 105 e.
When the permanent magnet motor is in use, the upper driving shaft 105b rotates in the running process of the permanent magnet motor, meanwhile, the driving inclined fluted disc 105e positioned at the outer wall of the permanent magnet motor is driven to rotate, and the rack on the outer wall of the driving inclined fluted disc 105e is meshed with the rack on the outer wall of the driven inclined fluted disc 206b positioned below the front end of the driving inclined fluted disc 105e, so that the driven inclined fluted disc 206b is driven to rotate when the driving inclined fluted disc 105e rotates, the driven inclined fluted disc 206b synchronously rotates to drive the rotating shaft 206 on the driven inclined fluted disc 206b to rotate, the water delivery wheel 206a positioned at the outer wall of the water delivery box 205 rotates, one side of the water delivery wheel 206a is rotatably provided with the auxiliary wheel 207a through the auxiliary shaft 207, thereby continuously meshed rotation of the two is achieved, and the purposes of continuously inputting cooling water into the inside of the liquid inlet copper tube 106, the U-shaped tube 106a and the liquid copper tube 107 are all positioned inside the motor casing 100 through pipelines, therefore, the purpose of water cooling the permanent magnet motor is achieved, when the permanent magnet motor needs to adjust power during operation, at this time, by adjusting the current of the first electromagnetic block 202a and the second electromagnetic block 203a on the top fixed block 202 and the bottom fixed block 203, because the first electromagnetic block 202a and the second electromagnetic block 203a respectively generate magnetic attraction with the iron blocks 204a on two sides of the sliding block 204, after the current of the first electromagnetic block 202a and the second electromagnetic block 203a changes, the sliding block 204 can slide on the surface of the sliding frame 201 to adjust the position under the action of different magnetic forces, thereby achieving the purpose of enabling the position of the driven helical gear 206b at different diameters to move synchronously with the driving helical gear 105e through the positions of the water delivery box 205 and the driven helical gear 206b, and because the diameter of the meshing contact position of the driven helical gear 206b and the driving helical gear 105e changes, and further under the condition that the driving helical gear 105e does not change, the rotating speed of the driven helical gear 206b can be adjusted, and the purpose of adjusting the rotating speeds of the rotating shaft 206 and the water delivery wheel 206a is achieved, so that the flow speed of cooling water can be adjusted according to the running power of the permanent magnet motor, the efficient heat dissipation effect is achieved under different powers, and meanwhile resources are saved.
Further, the radiating pipe 102 can play an effective radiating effect on heat generated by the operation of the internal components, so that the rotor core 105, the driving shaft 105b and the like are not described in detail herein, the joint of the driving bevel gear disc 105e and the driven bevel gear disc 206b and the meshing teeth are all inclined, so that the position of the driven bevel gear disc 206b is convenient to adjust, wherein the inclination angle is the same as that of the sliding frame 201, the liquid inlet copper pipe 106 and the liquid outlet copper pipe 107 are connected through the U-shaped pipe 106a, the circulation of water is realized, the water delivery wheel 206a and the driven bevel gear disc 206b are both positioned on the rotating shaft 206, the water delivery wheel 206a is driven to rotate through the rotating shaft 206 after the driven bevel gear disc 206b is subjected to synchronous rotation of the driving bevel gear disc 105e, the water delivery wheel 206a rotates to realize the water delivery effect under the cooperation of the auxiliary wheel 207a and the auxiliary shaft 207, the pipe joint of the sliding block 204 can be realized on the sliding frame 201 under the action of the first electromagnetic block 202a, the second electromagnetic block 203a and the two groups of iron blocks 204a, and the pipe joint connection of the sliding block 204 on the sliding frame 201 is not in the prior art.
As shown in fig. 2,4 and 5, the outer walls of the two sides of the motor casing 100 are uniformly spaced apart in the circumferential direction and provided with ventilation holes 101, the outer wall of the mounting seat 103 is uniformly spaced apart in the circumferential direction and provided with heat dissipation holes 103b, the outer wall of the mounting seat 103 is provided with a ventilation frame 104, the outer side of the rotor core 105 is uniformly spaced apart in the circumferential direction and provided with stator coils 105a, and the other end of the driving shaft 105b is provided with a spline shaft 105d; wherein, the inner end of the heat dissipation hole 103b penetrates through the inner wall of the annular groove 103a, and the U-shaped tube 106a is positioned between the motor casing 100 and the heat dissipation tube 102.
When the permanent magnet motor is used, the driving shaft 105b is driven to rotate under the actions of the inner rotor core 105, the stator coil 105a and the like in the operation process of the permanent magnet motor, the driving shaft 105b rotates to drive the fan blades 105c on two sides of the outer wall of the driving shaft to rotate, and the air channels formed by the rotation of the two groups of fan blades 105c are consistent, so that heat generated during the operation of the permanent magnet motor is discharged along the air channels formed by the ventilation cover 301, the ventilation holes 101, the heat dissipation holes 103b and the ventilation frame 104, the air cooling effect is achieved, and the cooling efficiency and the cooling effect of the permanent magnet battery can be improved through the air cooling and water cooling modes.
Further, in the air cooling process, air enters through the ventilation hood 301, then enters the permanent magnet motor through the ventilation hole 101 on the left side of the motor casing 100, then flows out from the ventilation hole 101 on the right side of the motor casing 100 and the heat dissipation hole 103b, and is discharged through the ventilation frame 104 to form a unidirectional air duct, and the stator coil 105a is in the prior art, so that redundant description is omitted here.
Example 2
Referring to fig. 4, 9 and 10, in a second embodiment of the present invention, the embodiment is based on the previous embodiment, except that, in order to clean the air inlet of the permanent magnet motor, the positions of the spline housing 303 and the cleaning brush 304a are adjusted by matching the first electromagnetic ring 301a, the second electromagnetic ring 302a and the iron ring 303a, so that the outer wall of the ventilation hood 301 can be cleaned regularly, and manpower and material resources are saved.
Specifically, the motor casing 100 further comprises a cleaning assembly 300 arranged on the other side end face of the motor casing 100, the cleaning assembly 300 comprises a ventilation hood 301 arranged on the outer wall of the motor casing 100 and a mounting frame 302 arranged on the outer wall of the motor casing, and a spline housing 303 is arranged between the ventilation hood 301 and the adjacent mounting frame 302; the center of the outer wall of the ventilation hood 301 is embedded with a first electromagnetic ring 301a, the center of the inner wall of the mounting frame 302 is embedded with a second electromagnetic ring 302a, the center of the end surfaces of the two sides of the spline housing 303 are embedded with iron rings 303a, and the iron rings 303a, the first electromagnetic ring 301a and the second electromagnetic ring 302a are coaxially arranged; spline housing 303 sliding sleeve connects on the outer wall of integral key shaft 105d, and the outer wall both sides of spline housing 303 all fixedly connected with connecting plate 304 is provided with cleaning brush 304a on the inner wall of connecting plate 304.
When the permanent magnet motor is used, the air channel direction generated during air cooling enters the permanent magnet motor through the ventilation cover 301 in the operation process of the permanent magnet motor, finally, the air is discharged through the ventilation frame 104, dust in the air can be blocked outside the outer wall of the ventilation cover 301 in the process of pumping outside air, cooling and radiating efficiency of the permanent magnet motor can be seriously affected by long-time accumulation, at the moment, power supply to the second electromagnetic ring 302a is stopped, power supply to the first electromagnetic ring 301a is started, then under the magnetic attraction effect generated between the first electromagnetic ring 301a and the corresponding iron ring 303a, the spline sleeve 303 slides on the outer wall of the spline shaft 105d, the spline sleeve 303 moves to the outer side of the outer wall of the ventilation cover 301, meanwhile, the cleaning brush 304a on the connecting plate 304 can be contacted with the outer wall of the ventilation cover 301, the spline shaft 105d can be driven to rotate when the driving shaft 105b rotates, the connecting plate 304 and the cleaning brush 304a on the spline cover 303 can be driven to rotate under the action of the spline shaft 105d, the first electromagnetic ring 301 can be further started, the magnetic attraction effect generated between the first electromagnetic ring 301a and the corresponding iron ring 303a can be further, the magnetic attraction effect is saved, the dust can be further saved, and the power supply efficiency of the first electromagnetic ring 301 can be kept away from the outer wall of the spline cover 301a, and the corresponding to the spline ring can be cleaned, and the clean the spline cover 301 can be moved at the outer side and the outer wall of the magnet ring 301.
Further, the spline housing 303 can slide on the outer wall of the spline shaft 105d, and meanwhile, when the spline shaft 105d rotates along with the driving shaft 105b, the spline housing 303 can be driven to rotate, and the position of the spline housing 303 on the outer wall of the spline shaft 105d can be adjusted under the action of the first electromagnetic ring 301a, the second electromagnetic ring 302a and the iron ring 303a, so that the aim of adjusting the position of the cleaning brush 304a is fulfilled.
Example 3
Referring to fig. 2 and 11, a third embodiment of the present invention is based on any of the above embodiments, except that, in order to adapt the permanent magnet motor to different temperature environments, the temperature of water flowing into the permanent magnet motor is changed by using the thermoelectric refrigerator 402, so as to reduce the probability of demagnetization and increase the service life of the permanent magnet motor.
Specifically, the temperature adjusting assembly 400 is arranged right below the motor casing 100, the temperature adjusting assembly 400 comprises a hot and cold water tank 401 arranged at the bottom of the motor casing 100 and a thermoelectric refrigerator 402 arranged on the outer wall of one side of the hot and cold water tank 401, the front end of the outer wall of the other side of the hot and cold water tank 401 is provided with a second water outlet pipe 401a, and a corner of one side of the upper surface of the hot and cold water tank 401 is provided with a second water inlet pipe 401c; the other end of the second water outlet pipe 401a is connected with the first connecting pipe 401b through a pipe joint, the other end of the first connecting pipe 401b is connected with the first water inlet pipe 205a through a pipe joint, the other end of the second water inlet pipe 401c is connected with the second connecting pipe 401d through a pipe joint, and the other end of the second connecting pipe 401d is connected with the liquid outlet copper pipe 107 through a pipe joint.
When the thermoelectric refrigerating device is used, in the environment with higher temperature and in the running process of the permanent magnet motor, the thermoelectric refrigerating device 402 is utilized to refrigerate water in the hot and cold water tank 401, then the cooling water is input into the liquid inlet copper pipe 106 and the U-shaped pipe 106a under the action of the second water outlet pipe 401a, the first connecting pipe 401b and the water conveying structure, the purpose of water cooling and heat dissipation is achieved, then the cooling water subjected to heat replacement is returned to the hot and cold water tank 401 by the liquid outlet copper pipe 107, the second connecting pipe 401d and the second water inlet pipe 401c, the electric charge carrier is recycled, in the environment with lower temperature, the thermoelectric refrigerating device 402 is utilized to heat the water in the hot and cold water tank 401, the water conveying principle and the water conveying process are the same as the principle and the process, so that the permanent magnet motor can be heated or cooled under different temperature environments, the permanent magnet motor can be operated under the proper temperature, the demagnetizing probability is reduced, the service life of the permanent magnet motor is prolonged, the refrigerating method based on the thermoelectric phenomenon is achieved, the electric charge carrier moves in the conductor to form current, and the electric charge carrier is in different energy levels, and the electric charge carrier can be absorbed from the low energy level to the outside when the thermoelectric energy level is required to absorb heat, and the heat from the outside when the heat is required to be absorbed by the heat conversely.
Further, the temperature of water introduced into the permanent magnet motor can be changed by using the thermoelectric cooler 402, so that the permanent magnet motor can stably operate at different temperatures, the demagnetizing probability is reduced, and the service life is prolonged.
In addition, the components not described in detail herein are prior art.
It is important to note that the construction and arrangement of the application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (10)
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| CN115765321A (en) * | 2022-11-24 | 2023-03-07 | 吉林化工学院 | A self-circulating cooling motor |
| CN116231967A (en) * | 2023-03-30 | 2023-06-06 | 宿迁学院 | A permanent magnet synchronous motor with a water-cooled machine base |
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| US20240088752A1 (en) * | 2019-11-20 | 2024-03-14 | Mitsubishi Electric Corporation | Rotating electric machine |
| CN211239610U (en) * | 2019-12-27 | 2020-08-11 | 中电投新疆能源化工集团木垒新能源有限公司 | A heat dissipation protective housing for new forms of energy motor |
| CN218071235U (en) * | 2022-05-10 | 2022-12-16 | 佛山市南海区施码特电器制造有限公司 | Household fan motor cooling mechanism |
| CN115833452B (en) * | 2022-11-21 | 2024-12-13 | 安徽正飞机电设备有限公司 | Motor heat dissipation structure |
| CN117040192B (en) * | 2023-07-19 | 2024-02-23 | 驰美电机(浙江)有限公司 | High-speed permanent magnet motor with high-speed rotor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115765321A (en) * | 2022-11-24 | 2023-03-07 | 吉林化工学院 | A self-circulating cooling motor |
| CN116231967A (en) * | 2023-03-30 | 2023-06-06 | 宿迁学院 | A permanent magnet synchronous motor with a water-cooled machine base |
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