CN109193983B - Permanent magnet motor for industrial and agricultural production - Google Patents
Permanent magnet motor for industrial and agricultural production Download PDFInfo
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- CN109193983B CN109193983B CN201811025622.4A CN201811025622A CN109193983B CN 109193983 B CN109193983 B CN 109193983B CN 201811025622 A CN201811025622 A CN 201811025622A CN 109193983 B CN109193983 B CN 109193983B
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
- H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
- H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a permanent magnet motor for industrial and agricultural production, which belongs to the technical field of permanent magnet motors and comprises a permanent magnet motor, wherein the permanent magnet motor comprises a motor body, a mounting base and a machine body shell, a rotor iron core and a stator iron core sleeved outside the rotor iron core are arranged in the motor body, a central rotating shaft is fixedly inserted in the rotor iron core, an annular array distributed magnetic pole groove is formed in the inner end of the rotor iron core, permanent magnet poles are fixedly connected in the magnetic pole groove, the rotor iron core is formed by laminating a plurality of silicon steel sheets, annular array distributed notches are formed in the outer ends of the silicon steel sheets, the anti-demagnetization performance of the permanent magnet motor can be obviously improved by improving the rotor structure and effectively dissipating heat and damping the stator, the anti-demagnetization performance of the permanent magnet motor is obviously improved by combining multiple aspects, the intelligent control is adopted, the purposes of reducing labor cost and energy consumption are achieved, and the operation reliability of, thereby meeting the high efficiency of industrial and agricultural production.
Description
Technical Field
The invention relates to the technical field of permanent magnet motors, in particular to a permanent magnet motor for industrial and agricultural production.
Background
The permanent magnet synchronous motor is a synchronous motor which generates a synchronous rotating magnetic field by permanent magnet excitation, the permanent magnet is used as a rotor to generate a rotating magnetic field, and a three-phase stator winding is reacted through an armature under the action of the rotating magnetic field to induce three-phase symmetrical current.
At the moment, the kinetic energy of the rotor is converted into electric energy, and the permanent magnet synchronous motor is used as a generator; in addition, when three-phase symmetrical current is introduced to the stator side, the three-phase stator current has a phase difference of 120 in the spatial position, so that a rotating magnetic field is generated in the space by the three-phase stator current, the rotor rotates under the action of electromagnetic force, electric energy is converted into kinetic energy at the moment, and the permanent magnet synchronous motor is used as a motor.
Compared with the traditional electric excitation motor, the permanent magnet motor, especially the rare earth permanent magnet motor has simple structure and reliable operation; the volume is small and the weight is light; the loss is small, and the efficiency is high; the shape and the size of the motor can be flexible and various, and the like.
If the permanent magnet motor is not properly designed or used, under the action of armature reaction generated by impact current or violent mechanical vibration, irreversible demagnetization or demagnetization is possibly generated when the permanent magnet motor is at too high or too low temperature, so that the performance of the motor is reduced or even the motor cannot be used.
The permanent magnet motor has the advantages of small volume, light weight, stable dynamic performance and the like, in recent years, the research, the popularization and the application of the permanent magnet motor are generally regarded by people, and particularly, the permanent magnet motor is greatly utilized in industry and agriculture, however, the magnetic leakage factor of the structure of the built-in tangential permanent magnet motor is large, the motor cost is increased, and the performance of the permanent magnet motor is directly influenced, the Chinese invention publication No. CN106340983A discloses a built-in tangential permanent magnet motor rotor punching sheet, and belongs to the technical field of the permanent magnet motor; the size ratio of the width of the notch of the permanent magnet to the thickness of the permanent magnet slot is set within the range of 0.6-0.8 by adjusting the size of the notch of the rotor permanent magnet, and the height b of the notch from the outer diameter of the rotor is set within the range of 1.5-2.5 mm.
Although the magnetic leakage coefficient can be structurally reduced, when the existing permanent magnet motor is used in industry and agriculture, the power is generally high, so that the permanent magnet motor can generate a large amount of heat when operating at high power; the permanent magnet motor has the advantages of reliable operation, low loss, high efficiency and the like, the manufacturing cost and the maintenance cost of the permanent magnet motor are high, once the demagnetization condition occurs, the motor performance is influenced, the maintenance cost is additionally increased, and the low efficiency of industrial and agricultural production caused by shutdown or even the loss of shutdown is huge.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a permanent magnet motor for industrial and agricultural production, which can remarkably improve the demagnetization resistance of the permanent magnet motor by improving the rotor structure and effectively dissipating heat and damping vibration of a stator in multiple aspects, and achieves the purposes of reducing labor cost and energy consumption by adopting intelligent control, improving the operation reliability of the permanent magnet motor and further meeting the high efficiency of industrial and agricultural production.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A permanent magnet motor for industrial and agricultural production comprises a permanent magnet motor, wherein the permanent magnet motor comprises a motor body, an installation base and a machine body shell, a rotor iron core and a stator iron core sleeved outside the rotor iron core are installed in the motor body, a central rotating shaft is fixedly inserted in the rotor iron core, magnetic pole grooves distributed in an annular array are formed in the inner end of the rotor iron core, permanent magnet poles are fixedly connected in the magnetic pole grooves, the rotor iron core is formed by laminating a plurality of silicon steel sheets, notches distributed in the annular array are formed in the outer ends of the silicon steel sheets, the notches of the silicon steel sheets are aligned to form strip-shaped grooves, a liquid storage barrel is fixedly connected to the upper end of the installation base, a main controller module is installed at the upper end of the liquid storage barrel, a data analysis module is connected to the main controller module, fixing rings are fixedly sleeved at the left end and the right end of the stator iron core, four containing, a magnetic card position rod is connected in the containing chute in a sliding manner, an extension spring is fixedly connected between the magnetic card position rod and the bottom wall of the containing chute, a damping clamping groove matched with the magnetic card position rod is formed in the inner end of the machine body shell, an electromagnet is fixedly installed on the top wall of the damping clamping groove, a pair of installation grooves are also formed in the inner end of the machine body shell in a drilling manner, a temperature sensor and a vibration sensor are respectively installed in the pair of installation grooves, a cooling pipe is sleeved outside the stator core and penetrates through the machine body shell to be connected with a liquid storage barrel, an intelligent valve is installed at one end, close to the liquid storage barrel, of the cooling pipe, a drainage water pump is installed in the liquid storage barrel, the electromagnet, the intelligent valve and the drainage water pump are all connected with a main controller module, the temperature sensor and the vibration sensor, the stator is effectively radiated and damped, the anti-demagnetization performance of the permanent magnet motor is obviously improved through multi-aspect combination, intelligent control is adopted, the purposes of reducing labor cost and energy consumption are achieved, the operation reliability of the permanent magnet motor is improved, and the high efficiency of industrial and agricultural production is further met.
Further, take magnetism screens pole includes that magnetism inhales pole, transition pole and stabilizer bar, it has the leak protection bag to inhale the pole overcoat, the leak protection bag intussuseption is filled with and meets thermal cure aquogel, meets thermal cure aquogel and meets heat and slowly solidify and make and take interference fit between magnetic card position pole and the shock attenuation draw-in groove, improves the stability between stator core and the engine body shell, and then offsets partial vibration.
Further, the leak protection bag is made for two-layer PP spunbonded nonwoven, the hydrogel cured when encountering heat is N-isopropyl acrylamide hydrogel, the transition rod is a low-density high-pressure polyethylene hose, the stabilizer bar is made of stainless steel materials, the PP spunbonded nonwoven can prevent the hydrogel cured when encountering heat from leaking, the N-isopropyl acrylamide is a heat-sensitive material and can be cured when encountering heat and restored to fluid after being cooled, and the transition rod can utilize elasticity to allow mechanical vibration within a certain range and eliminate external force or controllable slight vibration.
Furthermore, a glass tube is fixedly connected to the middle position in the transition rod, a component A silicone adhesive is filled in the glass tube, a component B silicone adhesive is filled between the transition rod and the glass tube, and when the mechanical vibration of the permanent magnet motor exceeds a threshold value, the component A silicone adhesive and the component B silicone adhesive are mixed by utilizing the fragile characteristic of the glass tube.
Furthermore, the component A silicone adhesive is silicone adhesive, the component B silicone adhesive is composed of a curing agent and carbon black, the filling ratio of the component A silicone adhesive to the component B silicone adhesive is 7:1, and the component A silicone adhesive and the component B silicone adhesive can be cured into tough rubber for fixation after being mixed, so that the overall stability of the magnetic clamping rod can be improved, and the damping effect can be achieved.
Furthermore, the rotor core is sleeved with the weftless tape, the material of the weftless tape is 2840 reticular polyester resin impregnated glass fiber, the weftless tape is formed by impregnating alkali-free untwisted glass yarns through special high-temperature-resistant thermosetting unsaturated polyester resin, and the weftless tape has the excellent performances of high strength, impact resistance, high modulus, low elongation, no magnetic hysteresis, no eddy current loss and the like, and is beneficial to improving the rotation stability of the rotor core.
Furthermore, circular ventilation holes distributed in an annular array are formed in the inner end of the rotor core, and the heat dissipation performance of the rotor core is improved.
Further, fill up between stator core and the cooling tube and be equipped with the lock water annular gasket, the lock water annular gasket is including layer and the heat conduction inoxidizing coating that absorbs water, absorb water the layer upper end and install humidity transducer, and humidity transducer's measuring end with absorb water the layer and be connected, humidity transducer is connected with data analysis module, and the layer that absorbs water is used for absorbing when the coolant liquid accident leaks and plays the danger that prevents further spreading, and the heat conduction inoxidizing coating is used for the transmission heat, and humidity transducer is used for detecting the humidity on the layer that absorbs water.
Furthermore, the water absorbing layer is prepared by uniformly mixing high molecular water absorbing resin and fluff fiber, the high molecular water absorbing resin can absorb hundreds of times, even thousands of times of water of the self weight of the high molecular water absorbing resin, the high molecular water absorbing resin has strong water retention capacity, the water absorbing function is realized when the cooling liquid in the cooling pipe is accidentally leaked, the cooling liquid is not easy to spread, the high molecular water absorbing resin has thermal stability, and the stator core can be continuously cooled after water absorption.
Further, a warning light is still installed to stock solution bucket upper end, the warning light is including vibrating transfinite lamp and the maintenance lamp that leaks, the warning light is connected with main control unit module for the warning technical staff overhauls to corresponding suggestion.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme can realize through improving rotor structure, effectively dispels the heat and the shock attenuation to the stator in addition, and many-sided combination is showing the anti magnetism that moves back that improves permanent-magnet machine, and adopts intelligent control, reaches the purpose that reduces human cost and energy resource consumption, improves permanent-magnet machine's operational reliability, and then satisfies industrial and agricultural production's high efficiency.
(2) Take magnetism screens pole including magnetism to inhale pole, transition pole and stabilizer bar, magnetism inhales the pole overcoat and has connect the leak protection bag, and the leak protection bag intussuseption is filled with and meets thermal cure aquogel, meets thermal cure aquogel and meets the heat and slowly solidify and make and take magnetic card position pole and shock attenuation draw-in groove between interference fit, improves the stability between stator core and the engine body shell, and then offsets partial vibration.
(3) The leakage-proof bag is made of two layers of PP spun-bonded non-woven fabrics, hydrogel cured when exposed to heat is N-isopropyl acrylamide hydrogel, the transition rod is a low-density high-pressure polyethylene hose, the stabilizer rod is made of stainless steel materials, the PP spun-bonded non-woven fabrics can prevent the hydrogel cured when exposed to heat from leaking, the N-isopropyl acrylamide is a heat-sensitive material, the N-isopropyl acrylamide can be cured when exposed to heat and is restored to fluid after being cooled, and the transition rod can allow mechanical vibration within a certain range by using elasticity to remove external force or controllable slight vibration.
(4) The middle position fixedly connected with glass pipe in the transition pole, the intraductal packing of glass has A component silicone adhesive, and it has B component silicone adhesive to fill between transition pole and the glass pipe, when permanent-magnet machine's mechanical vibration exceeded the threshold value, utilized glass pipe's breakable characteristic to make A component silicone adhesive mix with B component silicone adhesive.
(5) The component A silicone adhesive is silicone adhesive, the component B silicone adhesive is composed of curing agent and carbon black, the filling ratio of the component A silicone adhesive to the component B silicone adhesive is 7:1, and the component A silicone adhesive and the component B silicone adhesive can be cured into tough rubber for fixation after being mixed, so that the overall stability of the magnetic clamping rod can be improved, and the damping effect can be achieved.
(6) The rotor core is sleeved with the weftless tape, the material of the weftless tape is 2840 reticular polyester resin impregnated glass fiber, the weftless tape is formed by impregnating alkali-free untwisted glass yarn through special high-temperature-resistant thermosetting unsaturated polyester resin, and the rotor core has the excellent performances of high strength, impact resistance, high modulus, low extension, no magnetic hysteresis, no eddy current loss and the like, and is beneficial to improving the rotation stability of the rotor core.
(7) The inner end of the rotor core is also provided with circular ventilation holes distributed in an annular array manner, so that the heat dissipation performance of the rotor core is improved.
(8) Fill up between stator core and the cooling tube and be equipped with the lock water annular gasket, the lock water annular gasket is including layer and the heat conduction inoxidizing coating that absorbs water, the humidity transducer is installed to layer upper end that absorbs water, and humidity transducer's measuring end with absorb water the layer and be connected, humidity transducer is connected with data analysis module, the layer that absorbs water is used for absorbing when the coolant liquid accident leaks and plays the danger that prevents further spreading, the heat conduction inoxidizing coating is used for the transmission heat, humidity transducer is used for detecting the humidity that absorbs water the layer.
(9) The water absorbing layer is prepared by uniformly mixing high molecular water absorbing resin and fluff fiber, the high molecular water absorbing resin can absorb water which is hundreds times or even thousands times of the weight of the high molecular water absorbing resin, and has strong water retention capacity, the water absorbing function is realized when the cooling liquid in the cooling pipe is accidentally leaked, the cooling liquid is not easy to spread, the high molecular water absorbing resin has thermal stability, and the stator core can be continuously cooled after water absorption.
(10) The warning light is further installed at the upper end of the liquid storage barrel and comprises a vibration overrun lamp and a water leakage maintenance lamp, and the warning light is connected with the main controller module and used for warning technicians to maintain corresponding prompts
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a rotor core segment according to the present invention;
FIG. 3 is a schematic structural view of a stator core segment according to the present invention;
FIG. 4 is a schematic structural view of the present invention with a magnetic card position bar attracted to an electromagnet;
FIG. 5 is a schematic structural view of the magnetic card bit bar according to the present invention;
FIG. 6 is a schematic structural view of a water-retaining annular gasket portion of the present invention;
FIG. 7 is a functional block diagram of a portion of the present invention.
The reference numbers in the figures illustrate:
1 permanent magnet motor, 101 motor body, 102 installation base, 103 machine body shell, 2 rotor core, 3 central rotating shaft, 4 stator core, 5 permanent magnet poles, 6 weftless tape, 7 round vent hole, 8 fixed ring, 9 magnetic card position pole, 901 magnetic suction pole, 902 transition pole, 903 stabilizer bar, 10 shock absorption clamping groove, 11 electromagnet, 12 temperature sensor, 13 vibration sensor, 14 leakage-proof bag, 15 thermal curing hydrogel, 16 glass tube, 17A component silicone adhesive, 18B component silicone adhesive, 19 extension spring, 20 humidity sensor, 21 cooling tube, 22 liquid storage barrel, 23 main controller module, 24 data analysis module, 25 intelligent valve, 26 drainage pump, 27 water locking ring pad, 2701 water absorbing layer, 2702 heat conduction protective layer, 28 warning light, 2801 vibration ultralimit light, 2802 water leakage overhaul light.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope 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 specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.
Example 1:
referring to fig. 1-7, a permanent magnet motor for industrial and agricultural production, includes a permanent magnet motor 1, the permanent magnet motor 1 includes a motor body 101, a mounting base 102 and a housing 103, a rotor core 2 and a stator core 4 sleeved outside the rotor core 2 are installed in the motor body 101, a central rotating shaft 3 is fixedly inserted in the rotor core 2, a magnetic pole slot distributed in an annular array is cut at the inner end of the rotor core 2, a permanent magnet pole 5 is fixedly connected in the magnetic pole slot, the rotor core 2 is formed by laminating a plurality of silicon steel sheets, a notch distributed in an annular array is cut at the outer end of the silicon steel sheet, the notches of the plurality of silicon steel sheets are aligned to form a strip-shaped groove, so that the magnetic resistance at the middle part of the rotor core 2 is increased, the magnetic force line distribution in the air gap between the rotor core 2 and the stator core 4 tends to be uniform, that is, the magnetic density distribution tends to be more, the upper end of the installation base 102 is fixedly connected with a liquid storage barrel 22, the upper end of the liquid storage barrel 22 is provided with a main controller module 23, the main controller module 23 is connected with a data analysis module 24, the left and right ends of a stator core 4 are fixedly sleeved with fixing rings 8, one end of each fixing ring 8, which is far away from the stator core 4, is provided with four containing chutes, each containing chute is internally and slidably connected with a magnetic card position rod 9, an extension spring 19 is fixedly connected between the magnetic card position rod 9 and the bottom wall of the containing chute, the inner end of the machine body shell 103 is provided with a shock absorption clamping groove 10 matched with the magnetic card position rod 9, the top wall of the shock absorption clamping groove 10 is fixedly provided with an electromagnet 11, the inner end of the machine body shell 103 is also provided with a pair of installation grooves, the pair of installation grooves are respectively internally and internally provided with a temperature sensor 12, cooling tube 21 is close to stock solution bucket 22 one end and installs intelligent valve 25, installs drainage water pump 26 in the stock solution bucket 22, and electro-magnet 11, intelligent valve 25 and drainage water pump 26 all are connected with main control unit module 23, and temperature sensor 12 and vibration sensor 13 all are connected with data analysis module 24.
Take magnetic card position pole 9 to inhale pole 901, transition pole 902 and stabilizer bar 903 including magnetism, inhale pole 901 and the outer anti-leakage bag 14 that has cup jointed of pole 901, anti-leakage bag 14 intussuseption is filled with and meets thermosetting aquogel 15, meets the thermosetting aquogel 15 and meets heat and can slowly solidify and make and take magnetic card position pole 9 and shock attenuation draw-in groove 10 between interference fit, improves the stability between stator core 4 and the engine body shell 103, and then offsets partial vibration.
The leakage-proof bag 14 is made of two layers of PP spun-bonded non-woven fabrics, the hydrogel 15 cured when exposed to heat is N-isopropyl acrylamide hydrogel, the transition rod 902 is a low-density high-pressure polyethylene hose, the stabilizing rod 903 is made of stainless steel materials, the PP spun-bonded non-woven fabrics can prevent the hydrogel 15 cured when exposed to heat from leaking, the N-isopropyl acrylamide is a heat-sensitive material, the N-isopropyl acrylamide can be cured when exposed to heat and is restored to fluid after being cooled, and the transition rod 902 can allow mechanical vibration within a certain range by using elasticity to eliminate external force or controllable slight vibration.
The transition rod 902 is fixedly connected with the glass tube 16 at the middle position, the glass tube 16 is filled with the A-component silicone adhesive 17, the transition rod 902 and the glass tube 16 are filled with the B-component silicone adhesive 18, and when the mechanical vibration of the permanent magnet motor 1 exceeds a threshold value, the A-component silicone adhesive 17 and the B-component silicone adhesive 18 are mixed by using the fragile characteristic of the glass tube 16.
The component A silicone adhesive 17 is silicone adhesive, the component B silicone adhesive 18 is composed of curing agent and carbon black, the filling ratio of the component A silicone adhesive 17 to the component B silicone adhesive 18 is 7:1, and the component A silicone adhesive 17 and the component B silicone adhesive 18 can be cured into tough rubber for fixation after being mixed, so that the overall stability of the magnetic card position rod 9 can be improved, and the cushioning and shock absorption effects can be achieved.
The rotor core 2 is sleeved with the weftless tape 6, the material of the weftless tape 6 is 2840 mesh polyester resin impregnated glass fiber, the glass fiber is formed by impregnating alkali-free untwisted glass yarn through special high-temperature-resistant thermosetting unsaturated polyester resin, the shock resistance and high modulus are achieved, the extension is low, the rotor core 2 has good performances of no magnetic hysteresis, no eddy current loss and the like, the improvement of the rotational stability of the rotor core 2 is facilitated, circular ventilation holes 7 distributed in an annular array are further formed in the inner end of the rotor core 2, and the heat dissipation performance of the rotor core 2 is improved.
The pad is equipped with lock water annular gasket 27 between stator core 4 and the cooling tube 21, lock water annular gasket 27 is including layer 2701 and the heat conduction inoxidizing coating 2702 that absorbs water, moisture sensor 20 is installed to layer 2701 upper end that absorbs water, and moisture sensor 20's measuring end is connected with layer 2701 that absorbs water, moisture sensor 20 is connected with data analysis module 24, layer 2701 that absorbs water is used for absorbing when the coolant liquid accident leaks and plays the danger that prevents further spreading, heat conduction inoxidizing coating 2702 is used for the transfer of heat, moisture sensor 20 is used for detecting the humidity that absorbs water layer 2701.
The water absorbing layer 2701 is prepared by uniformly mixing high molecular water absorbing resin and fluff fiber, the high molecular water absorbing resin can absorb hundreds of times, even thousands of times of water of the self weight, and has strong water retention capacity, the water absorbing function is realized when the cooling liquid in the cooling pipe 21 is accidentally leaked, the cooling liquid is not easy to spread, the high molecular water absorbing resin has thermal stability, and the heat dissipation can be continuously performed on the stator core 4 after the water absorption.
The warning light 28 is still installed to stock solution bucket 22 upper end, and warning light 28 includes vibration transfinite lamp 2801 and leaks and overhaul lamp 2802, and warning light 28 is connected with main control unit module 23 for the warning technical staff overhauls to corresponding suggestion, and vibration transfinite lamp 2801 shows that permanent-magnet machine 1 mechanical vibration is too big, and the leak inspection lamp 2802 shows that the coolant liquid in the cooling tube 21 appears leaking.
Referring to fig. 1, when the permanent magnet motor 1 is in use, the temperature sensor 12 monitors the temperature in the motor housing 103 in real time and feeds the temperature back to the data analysis module 24 for data processing and analysis, once the temperature exceeds a set threshold, the main controller module 23 controls the intelligent valve 25 and the drainage water pump 26 to be opened, the cooling liquid in the liquid storage barrel 22 flows through the stator core 4 through the cooling pipe 21, the stator core 4 is cooled, and when the permanent magnet motor 1 is stopped, the main controller module 23 controls the intelligent valve 25 to enable the cooling liquid to flow back to the liquid storage barrel 22 for storage.
Referring to fig. 5, the vibration sensor 13 also monitors the vibration condition of the permanent magnet motor 1 in real time and feeds back data to the data analysis module 24, when slight vibration occurs, the main controller module 23 controls the extension spring 19 to be powered on to generate magnetism, the magnetic attraction rod 901 and the extension spring 19 attract the magnetic card position rod 9 to integrally lift and insert into the damping slot 10, because the temperature in the machine body shell 103 is high, the thermal curing hydrogel 15 is cured in the presence of heat to enable the upper end of the magnetic card position rod 9 and the damping slot 10 to be in interference fit, so that the stability and the damping performance are improved, when the permanent magnet motor 1 is shut down, the main controller module 23 controls the extension spring 19 to be powered off and lose magnetism, the thermal curing hydrogel 15 is restored to fluid after the temperature is reduced, and the magnetic card position rod 9 is pulled to reset under the elastic force of the extension spring 19.
When the coolant liquid accidentally leaks from permanent-magnet machine 1, lock water annular gasket 27 can absorb water fast and prevent further spreading, and humidity transducer 20 real time monitoring lock water annular gasket 27's humidity feeds back to data analysis module 24, and when humidity transducer 20 detected lock water annular gasket 27's humidity and obviously changed, main control unit module 23 control maintenance of leaking 2802 lights suggestion technical staff's coolant liquid leakage.
When the mechanical vibration of the permanent magnet motor 1 is too large, the relative offset of the magnetic attraction rod 901 and the transition rod 902 is too large, so that the glass tube 16 is broken, the A-component silicone adhesive 17 in the glass tube 16 flows out and is mixed with the B-component silicone adhesive 18 and is solidified into tough rubber solid, so that the overall structure with the magnetic card position rod 9 tends to be stable, and the vibration sensor 13 has a certain buffering and damping effect, and after transmitting vibration data exceeding a threshold value to the data analysis module 24 for analysis and processing, the main controller module 23 controls the vibration overrun lamp 2801 to light up to prompt a technician to suggest that the mechanical vibration of the permanent magnet motor 1 is too large for maintenance.
Compared with the existing permanent magnet motor, the permanent magnet motor can realize effective heat dissipation and shock absorption of the stator through improvement of a rotor structure, the anti-demagnetization performance of the permanent magnet motor is obviously improved through multi-aspect combination, intelligent control is adopted, the purposes of reducing labor cost and energy consumption are achieved, the operational reliability of the permanent magnet motor is improved, and the high efficiency of industrial and agricultural production is further met.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (8)
1. The utility model provides a permanent-magnet machine for industrial and agricultural production, includes permanent-magnet machine (1), its characterized in that: the permanent magnet motor (1) comprises a motor body (101), an installation base (102) and a motor body shell (103), a rotor core (2) and a stator core (4) sleeved outside the rotor core (2) are installed in the motor body (101), a central rotating shaft (3) is fixedly inserted in the rotor core (2), a magnetic pole groove distributed in an annular array is formed in the inner end of the rotor core (2), a permanent magnetic pole (5) is fixedly connected in the magnetic pole groove, the rotor core (2) is formed by laminating a plurality of silicon steel sheets, notches distributed in the annular array are formed in the outer ends of the silicon steel sheets, the notches of the silicon steel sheets are aligned to form a bar-shaped groove, a liquid storage barrel (22) is fixedly connected to the upper end of the installation base (102), a main controller module (23) is installed on the liquid storage barrel (22), and a data analysis module (24) is connected to the main controller module (23), the stator core (4) is fixedly sleeved with fixing rings (8) at the left end and the right end, one end, far away from the stator core (4), of each fixing ring (8) is provided with four storage chutes in a chiseled mode, each storage chute is internally and slidably connected with a magnetic card position rod (9), a tension spring (19) is fixedly connected between each magnetic card position rod (9) and the bottom wall of each storage chute, the inner end of the machine body shell (103) is provided with a shock absorption clamping groove (10) matched with each magnetic card position rod (9), an electromagnet (11) is fixedly installed on the top wall of each shock absorption clamping groove (10), the inner end of the machine body shell (103) is also provided with a pair of installation grooves, a temperature sensor (12) and a vibration sensor (13) are respectively installed in the pair of installation grooves, a cooling pipe (21) is sleeved outside the stator core (4), and the cooling pipe (21) penetrates, the cooling pipe (21) is close to one end of the liquid storage barrel (22) and is provided with an intelligent valve (25), a drainage water pump (26) is arranged in the liquid storage barrel (22), the electromagnet (11), the intelligent valve (25) and the drainage water pump (26) are all connected with a main controller module (23), the temperature sensor (12) and the vibration sensor (13) are all connected with a data analysis module (24), the magnetic card position rod (9) comprises a magnetic suction rod (901), a transition rod (902) and a stabilizing rod (903), a leakage-proof bag (14) is sleeved outside the magnetic suction rod (901), the leakage-proof bag (14) is filled with thermal curing hydrogel (15), the leakage-proof bag (14) is made of two layers of PP spun-bonded non-woven fabrics, the thermal curing hydrogel (15) is N-isopropyl acrylamide hydrogel, the transition rod (902) is a low-density high-pressure polyethylene hose, the stabilizer bar (903) is made of stainless steel.
2. The permanent magnet motor for industrial and agricultural production according to claim 1, wherein: the transition rod (902) is internally and fixedly connected with a glass tube (16) at the middle position, the glass tube (16) is internally filled with A-component silicone adhesive (17), and B-component silicone adhesive (18) is filled between the transition rod (902) and the glass tube (16).
3. The permanent magnet motor for industrial and agricultural production according to claim 2, wherein: the component A silicone adhesive (17) is a silicone adhesive, the component B silicone adhesive (18) is composed of a curing agent and carbon black, and the filling ratio of the component A silicone adhesive (17) to the component B silicone adhesive (18) is 7: 1.
4. The permanent magnet motor for industrial and agricultural production according to claim 1, wherein: the rotor core (2) is sleeved with a weftless tape (6), and the material of the weftless tape (6) is 2840 mesh polyester resin impregnated glass fiber.
5. The permanent magnet motor for industrial and agricultural production according to claim 1, wherein: the inner end of the rotor core (2) is also provided with circular vent holes (7) distributed in an annular array.
6. The permanent magnet motor for industrial and agricultural production according to claim 1, wherein: the utility model discloses a water-proof cooling device, including stator core (4), cooling tube (21), the pad is equipped with lock water annular gasket (27) between stator core (4) and cooling tube (21), lock water annular gasket (27) are including layer (2701) and heat conduction inoxidizing coating (2702) absorb water, moisture sensor (20) are installed to layer (2701) upper end that absorbs water, and the measuring end and the layer (2701) that absorbs water of moisture sensor (20) are connected, moisture sensor (20) are connected with data analysis module (24).
7. The permanent magnet motor for industrial and agricultural production according to claim 6, wherein: the water absorbing layer (2701) is prepared by uniformly mixing high-molecular water absorbing resin and fluff fiber.
8. The permanent magnet motor for industrial and agricultural production according to claim 6, wherein: warning light (28) are still installed to stock solution bucket (22) upper end, warning light (28) are including vibration transfinite lamp (2801) and leak maintenance lamp (2802), warning light (28) are connected with main control unit module (23).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025622.4A CN109193983B (en) | 2018-09-04 | 2018-09-04 | Permanent magnet motor for industrial and agricultural production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811025622.4A CN109193983B (en) | 2018-09-04 | 2018-09-04 | Permanent magnet motor for industrial and agricultural production |
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| CN109193983A CN109193983A (en) | 2019-01-11 |
| CN109193983B true CN109193983B (en) | 2020-05-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112564357B (en) * | 2020-11-03 | 2022-01-07 | 超音速智能技术(杭州)有限公司 | Outer rotor single-phase motor |
| CN112776834B (en) * | 2021-02-04 | 2024-01-05 | 唐山先施重工有限公司 | Suspension type railway traction motor hanging device |
| CN113113993B (en) * | 2021-04-13 | 2024-05-07 | 广东肇庆德通有限公司 | Permanent magnet motor with special magnetic field structure |
| CN116100051A (en) * | 2022-11-23 | 2023-05-12 | 东莞市科菱精密机械有限公司 | Permanent magnet synchronous electric spindle capable of preventing magnetic force from being attenuated |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP1578001A1 (en) * | 2004-03-19 | 2005-09-21 | Siemens Aktiengesellschaft | Electric motor with magnet shells fixed to the inner circumference of the motor casing |
| CN204794508U (en) * | 2015-08-10 | 2015-11-18 | 陆雄机械（浙江）有限公司 | Motor with cooling structure |
| CN205792044U (en) * | 2016-06-01 | 2016-12-07 | 江西双威电机有限公司 | A kind of motor with cooling function |
| JP6330858B2 (en) * | 2016-06-27 | 2018-05-30 | マツダ株式会社 | Axial gap type rotating electrical machine and method for manufacturing axial gap type rotating electrical machine |
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Effective date of registration: 20200430 Address after: 201612 no.88-3, Mayu Road, Xinqiao Town, Songjiang District, Shanghai Applicant after: Shanghai Danwo New Energy Technology Co.,Ltd. Address before: 136000 Jilin Normal University, Haifeng Road, Tie Xi District, Siping City, Jilin Applicant before: Hao Zhijie |
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