CN119298531A - A liquid-cooled double-axle-extended AC permanent magnet synchronous servo motor and use method thereof - Google Patents

A liquid-cooled double-axle-extended AC permanent magnet synchronous servo motor and use method thereof Download PDF

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Publication number
CN119298531A
CN119298531A CN202411846213.6A CN202411846213A CN119298531A CN 119298531 A CN119298531 A CN 119298531A CN 202411846213 A CN202411846213 A CN 202411846213A CN 119298531 A CN119298531 A CN 119298531A
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China
Prior art keywords
cooling
liquid
pipe
double
shaft
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CN202411846213.6A
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Chinese (zh)
Inventor
叶兴
瞿小林
唐美芽
王路
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Hangzhou Nazhi Motor Co ltd
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Hangzhou Nazhi Motor Co ltd
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Priority to CN202411846213.6A priority Critical patent/CN119298531A/en
Publication of CN119298531A publication Critical patent/CN119298531A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/19Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203Casings 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/20Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/207Casings 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

本发明公开了一种液冷双轴伸的交流永磁同步伺服电机及使用方法,本发明涉及电机技术领域。该液冷双轴伸的交流永磁同步伺服电机及使用方法,通过双轴同步转子机构、液冷机构、冷却管机构以及螺旋散热管之间的相互配合,随着双轴同步转子机构两个转子轴的旋转,便能驱动两个液冷机构工作,使液冷机构进行抽排冷却液的操作,使冷却管机构、螺旋散热管以及两个液冷机构内部之间的冷却液循环流动起来,冷却液循环流动的过程中,便能及时带走电机工作产生的热量,同时随着双轴同步转子机构的旋转,能快速将机壳内部的热空气抽出,利用液冷和风冷相结合的方式对电机进行降温,大大增强对电机的降温效果,确保电机持续的正常运行。

The present invention discloses a liquid-cooled double-axle extended AC permanent magnet synchronous servo motor and a method for using the same, and the present invention relates to the field of motor technology. The liquid-cooled double-axle extended AC permanent magnet synchronous servo motor and the method for using the same, through the mutual cooperation between the double-axle synchronous rotor mechanism, the liquid cooling mechanism, the cooling pipe mechanism and the spiral heat dissipation pipe, with the rotation of the two rotor shafts of the double-axle synchronous rotor mechanism, can drive the two liquid cooling mechanisms to work, so that the liquid cooling mechanism can pump out the coolant, so that the coolant between the cooling pipe mechanism, the spiral heat dissipation pipe and the two liquid cooling mechanisms circulates, and during the circulation of the coolant, the heat generated by the motor can be taken away in time, and at the same time, with the rotation of the double-axle synchronous rotor mechanism, the hot air inside the casing can be quickly pumped out, and the motor is cooled by a combination of liquid cooling and air cooling, which greatly enhances the cooling effect of the motor and ensures the continuous normal operation of the motor.

Description

Liquid-cooled double-shaft-extension alternating-current permanent magnet synchronous servo motor and use method thereof
Technical Field
The invention relates to the technical field of motors, in particular to a liquid-cooled double-shaft-extension alternating-current permanent magnet synchronous servo motor and a use method thereof.
Background
Under the background of rapid progress in the industrial automation and intelligent manufacturing fields, the standard of motor performance is continuously increased, researchers creatively integrate a liquid cooling heat dissipation technology and a double-shaft output design in the technical framework of an alternating current permanent magnet synchronous servo motor to promote the generation of the alternating current permanent magnet synchronous servo motor with liquid cooling double-shaft extension, and the motor becomes a key element on a modern industrial production line and plays an irreplaceable role by virtue of excellent heat dissipation efficiency and excellent mechanical adaptability.
The liquid cooling double-shaft stretching permanent magnet synchronous servo motor disclosed in the patent application with reference to publication number CN217159438U is characterized in that a cooling flow passage is arranged in a motor base, heat generated by internal components of the motor base is cooled by cooling liquid flowing in the cooling flow passage, and a liquid cooling mode is adopted, so that the power density of the motor can be further improved, and the performance and efficiency of the motor can be improved compared with the existing cooling modes of air cooling and natural cooling.
Comprehensive analysis of the above referenced patents can lead to the following drawbacks:
The prior art of liquid cooling double-shaft extension AC permanent magnet synchronous servo motor and a using method thereof generally uses flowing cooling liquid to cool heat generated by motor operation, however, the cooling liquid flow generally needs an additional pump body to drive, the cooling liquid is difficult to circulate by utilizing the power of the motor, the energy consumption is increased, and the air flow design is lacking, so that the cooling liquid cooling speed is slower, the whole heat dissipation efficiency is not high, for example, in the prior art of the reference, the cooling effect cannot be optimized only by a liquid cooling mode, therefore, the device is necessary to provide the liquid cooling double-shaft extension AC permanent magnet synchronous servo motor and the using method thereof to solve the technical problems.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a liquid cooling double-shaft extending alternating current permanent magnet synchronous servo motor and a use method thereof, which solve the problems that the cooling speed of the cooling liquid is lower and the overall heat dissipation efficiency is low because the cooling liquid is usually cooled by flowing cooling liquid, however, the cooling liquid flow usually needs an additional pump body to drive, the cooling liquid is difficult to circulate by utilizing the power of the motor, the consumption of energy sources is increased, and the air flow design is lacking.
The invention is realized by the following technical scheme that the liquid-cooled double-shaft stretched alternating-current permanent magnet synchronous servo motor comprises:
The double-shaft synchronous rotor mechanism comprises a shell, wherein the left side and the right side of the shell are fixedly penetrated with ventilation screen plates, the inner cavity of the shell is fixedly provided with a stator mechanism through a plurality of connecting blocks, the inside of the stator mechanism is penetrated with a double-shaft synchronous rotor mechanism, the left side and the right side of the shell are fixedly provided with accommodating cylinders, two rotor shafts of the double-shaft synchronous rotor mechanism respectively rotate and penetrate through the outer walls of the corresponding accommodating cylinders, the outer walls of the shell are uniformly and fixedly sleeved with a plurality of annular radiating fins, the left side and the right side of each accommodating cylinder are provided with a plurality of radiating holes, and the left side of the top of the shell is fixedly provided with a wire outlet box;
the two liquid cooling mechanisms are respectively arranged in the inner cavities of the corresponding accommodating cylinders and used for driving the cooling liquid to circularly flow;
the cooling pipe mechanism is fixedly sleeved outside the stator mechanism, two ends of the cooling pipe mechanism are fixedly communicated with the two liquid cooling mechanisms respectively, heat generated when the alternating-current permanent magnet synchronous servo motor works is taken away in a heat exchange mode, and the temperature inside the shell is reduced;
The spiral radiating pipe is fixed on the inner wall of the shell, and two ends of the spiral radiating pipe are fixedly communicated with the two liquid cooling mechanisms respectively and used for transferring heat in cooling liquid to outside air through the annular radiating fins so as to further reduce the temperature of the cooling liquid.
Preferably, the double-shaft synchronous rotor mechanism comprises a double-shaft synchronous rotor body, wherein the two rotor shafts of the double-shaft synchronous rotor body are fixedly sleeved with toothed rings positioned in corresponding accommodating cylinders, and the two rotor shafts of the double-shaft synchronous rotor body are fixedly sleeved with fan blades positioned in corresponding accommodating cylinders.
Preferably, the two liquid cooling mechanisms all include to place the box, place box fixed connection and be close to a lateral wall upper portion of casing at the inner chamber that holds the section of thick bamboo, the rotor shaft of biax synchronous rotor body rotates and runs through and places the box, the ring gear is located places the box, it is provided with first minor axis to rotate between the inner chamber lower part left and right sides wall of placing the box, the fixed cover in outer wall left portion of first minor axis is equipped with first gear wheel, the bottom of first gear wheel meshes with the top of ring gear.
Preferably, the fixed cover in outer wall right part of first minor axis is equipped with the pinion, it is provided with the second minor axis to rotate between the inner chamber upper portion left and right sides wall of placing the box, the one end rotation of second minor axis runs through the lateral wall of placing the box and rotates to be connected on the inner wall that holds the section of thick bamboo, the fixed cover in outside of second minor axis is equipped with the second gear wheel that is located the box of placing, the bottom of second gear wheel meshes with the top of pinion, the other end rotation of second minor axis runs through the lateral wall of placing the box and fixedly is provided with the cam, the inner chamber top of holding the section of thick bamboo is provided with coolant pump drainage mechanism, it has the feed liquor return bend to fix to run through between the top of placing the box, the holding section of thick bamboo and the casing.
Preferably, the one end that feed liquor return bend is located holds a section of thick bamboo and the one end fixed intercommunication of coolant liquid drainage mechanism, the one end fixed intercommunication that coolant liquid drainage mechanism kept away from the feed liquor return bend has a liquid return bend, the one end fixed intercommunication that coolant liquid drainage mechanism was kept away from to liquid return bend has the spiral heat exchange tube, spiral heat exchange tube fixed connection is on the inner chamber that holds a section of thick bamboo kept away from a lateral wall of casing, the other end fixed intercommunication of spiral heat exchange tube has the pipe, the one end that the spiral heat exchange tube was kept away from to the pipe is fixed to run through to the inside of casing, the left and right sides both ends of spiral radiating tube respectively with corresponding pipe fixed intercommunication.
Preferably, the cooling liquid pumping and exhausting mechanism comprises a cylinder body, the top of the cylinder body is fixedly connected to the top of an inner cavity of the accommodating cylinder, a piston is slidably arranged between the inner walls of the cylinder body, and a piston rod is fixedly arranged in the middle of the bottom of the piston.
Preferably, the bottom of piston rod slides and runs through the bottom of barrel and fixedly is provided with the bottom plate, the outside cover of piston rod is equipped with the spring, spring fixed connection is between the bottom of barrel and the top of bottom plate, the upper portion of barrel left and right sides all is fixed intercommunication has the logical liquid pipe.
Preferably, the two liquid-passing pipes are respectively fixedly communicated with the liquid inlet bent pipe and the liquid outlet bent pipe, the liquid inlet valve is fixedly arranged in the middle of the liquid-passing pipe at the left part, the liquid outlet valve is fixedly arranged in the middle of the liquid-passing pipe at the right part, the air hole is formed in the rear end of the bottom of the cylinder body, and the top of the bottom plate is in contact with the bottom of the cam.
Preferably, the cooling pipe mechanism comprises two annular converging pipes, the two annular converging pipes are respectively fixedly sleeved on the left side and the right side of the outside of the stator mechanism, four cooling bent pipes are fixedly communicated between the two annular converging pipes, the four cooling bent pipes are uniformly distributed on the outside of the stator mechanism and are in contact with the outer wall of the stator mechanism, the upper right side of the annular converging pipe is fixedly communicated with a delivery pipe, the upper left side of the annular converging pipe is fixedly communicated with a delivery pipe, the right end of the delivery pipe is fixedly communicated with the left end of an adjacent liquid inlet bent pipe, and the left end of the delivery pipe is fixedly communicated with the right end of the adjacent liquid inlet bent pipe.
The invention also provides a use method of the liquid-cooled double-shaft-extension alternating-current permanent-magnet synchronous servo motor, which adopts the liquid-cooled double-shaft-extension alternating-current permanent-magnet synchronous servo motor, and the specific method comprises the following steps:
The method comprises the steps that firstly, a stator mechanism is electrified to form a rotating magnetic field, a double-shaft synchronous rotor mechanism rotates to output torque, and in the running process of a motor, cooling liquid circulates among a cooling pipe mechanism, a spiral radiating pipe and the interiors of two liquid cooling mechanisms, and along with the rotation of the double-shaft synchronous rotor mechanism, two rotor shafts of the double-shaft synchronous rotor mechanism rotate to respectively drive the two liquid cooling mechanisms to work;
Step two, the liquid cooling mechanism is operated to pump and discharge cooling liquid, so that the cooling pipe mechanism, the spiral radiating pipe and the cooling liquid between the two liquid cooling mechanisms circularly flow, and in the process of flowing the cooling liquid in the cooling pipe mechanism to the right liquid cooling mechanism, heat generated during the operation of the motor is taken away in a heat exchange mode, and the temperature in the casing is reduced;
In the process that the cooling liquid in the spiral cooling tube flows into the left liquid cooling mechanism, as the spiral cooling tube is in contact with the inner wall of the shell, the outer wall of the shell is provided with a plurality of annular cooling fins, and the spiral cooling tube transfers heat in the internal cooling liquid to the annular cooling fins, so that the annular cooling fins are utilized to transfer heat to the outside air, the temperature of the cooling liquid is further reduced, and the cooling liquid circularly flows to take out heat generated by the motor.
The invention provides a liquid-cooled double-shaft-extension alternating-current permanent magnet synchronous servo motor and a use method thereof. Compared with the prior art, the method has the following beneficial effects:
1. the utility model provides a liquid cooling double shaft stretches exchanges synchronous servo motor of permanent magnetism and application method, through mutual cooperation between synchronous rotor mechanism of biax, liquid cooling mechanism, cooling tube mechanism and the spiral cooling tube, along with the rotation of two rotor shafts of synchronous rotor mechanism of biax, just can drive two liquid cooling mechanism work, make liquid cooling mechanism carry out the operation of pump drainage coolant liquid, make the coolant liquid circulation flow between cooling tube mechanism, spiral cooling tube and two liquid cooling mechanism inside, the in-process that the coolant liquid circulation flows, just can in time take away the heat that the motor work produced, simultaneously along with the rotation of synchronous rotor mechanism of biax, can take out the inside hot air of casing fast, utilize liquid cooling and forced air cooling to combine together the mode to cool down to the motor, strengthen the cooling effect to the motor greatly, ensure the continuous normal operating of motor.
2. A liquid cooling double-shaft extending alternating current permanent magnet synchronous servo motor and a use method thereof are provided, wherein the toothed ring and the fan blades are driven to rotate in the rotating process of two rotor shafts of a double-shaft synchronous rotor body through mutual matching among a toothed ring, a first large gear, a small gear, a second large gear, a cam and a cooling liquid pumping mechanism, the toothed ring rotates to drive the first large gear and the small gear to rotate, so that the second large gear and the cam are driven to rotate, the purpose of reducing the rotating speed of the cam is achieved through the transmission speed reduction effect among a plurality of gears, the bottom plate can be made to reciprocate up and down along with the rotation of the cam and the matching of the cam with a spring, so that the piston is made to reciprocate up and down, pumping operation of cooling liquid is achieved, the cooling liquid is made to circulate, the cooling liquid is not required to be pumped by an extra pump body to circulate, the energy consumption is reduced, and the maintenance cost is lowered.
3. A liquid cooling double-shaft extending AC permanent magnet synchronous servo motor and a use method thereof are provided, wherein the fan blades are driven by a rotor shaft of a double-shaft synchronous rotor body to rotate rapidly through mutual matching among the fan blades, a spiral heat exchange tube, a cooling bent tube and a spiral radiating tube, hot air in a machine shell can be rapidly pumped out along with the rotation of the fan blades, the effect of air cooling inside the machine shell is realized, the purpose of accelerating the flow speed of air around the spiral heat exchange tube is realized, the cooling speed of cooling liquid in the spiral heat exchange tube is accelerated, and the integral radiating efficiency is improved.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional perspective view of the present invention;
FIG. 3 is a cross-sectional perspective view of the housing of the present invention;
FIG. 4 is a partial cutaway perspective view of a containment drum of the present invention;
FIG. 5 is a cut-away perspective view of the containment drum of the present invention;
FIG. 6 is an enlarged view of a portion of the invention at A in FIG. 5;
FIG. 7 is a perspective view of a liquid cooling mechanism of the present invention;
FIG. 8 is a cross-sectional perspective view of the coolant pump drainage mechanism of the present invention;
FIG. 9 is an assembled view of the stator mechanism and cooling tube mechanism of the present invention;
FIG. 10 is a perspective view of a cooling tube mechanism of the present invention;
fig. 11 is a perspective view of a spiral radiating pipe according to the present invention.
In the figure, 1, a shell, 2, a ventilation screen plate, 3, a connecting block, 4, a stator mechanism, 5, a double-shaft synchronous rotor mechanism, 51, a double-shaft synchronous rotor body, 52, a toothed ring, 53, a fan blade, 6, a containing cylinder, 7, a liquid cooling mechanism, 71, a placing box, 72, a first short shaft, 73, a first big gear, 74, a small gear, 75, a second short shaft, 76, a second big gear, 77, a cam, 78, a cooling liquid pumping mechanism, 781, a cylinder body, 782, a piston, 783, a piston rod, 784, a bottom plate, 785, a spring, 786, a liquid passing pipe, 79, a liquid inlet bent pipe, 710, a liquid outlet bent pipe, 711, a spiral heat exchange pipe, 712, a guide pipe, 8, a cooling pipe mechanism, 81, an annular collecting pipe, 82, a cooling bent pipe, 83, a delivery pipe, 84, a delivery pipe, 9, a spiral heat dissipation pipe, 10, an annular fin, 11, a heat dissipation hole, 12 and a wire outlet box are shown.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides two technical schemes:
a first embodiment is shown in fig. 1 to 3, which is a liquid-cooled double-shaft ac permanent magnet synchronous servo motor, comprising:
The double-shaft synchronous rotor type air conditioner comprises a machine shell 1, wherein ventilation screen plates 2 are fixedly penetrated at the left side and the right side of the machine shell 1, a stator mechanism 4 is fixedly arranged in an inner cavity of the machine shell 1 through a plurality of connecting blocks 3, a double-shaft synchronous rotor mechanism 5 is penetrated in the stator mechanism 4, accommodating cylinders 6 are fixedly arranged at the left side and the right side of the machine shell 1, two rotor shafts of the double-shaft synchronous rotor mechanism 5 respectively rotate and penetrate through the outer walls of the corresponding accommodating cylinders 6, a plurality of annular radiating fins 10 are uniformly and fixedly sleeved on the outer walls of the machine shell 1, a plurality of radiating holes 11 are formed in the left side and the right side of the two accommodating cylinders 6, and an outlet box 12 is fixedly arranged at the left side of the top of the machine shell 1;
the two liquid cooling mechanisms 7 are respectively arranged in the inner cavities of the corresponding accommodating cylinders 6 and used for driving the cooling liquid to circularly flow;
The cooling pipe mechanism 8 is fixedly sleeved outside the stator mechanism 4, two ends of the cooling pipe mechanism are fixedly communicated with the two liquid cooling mechanisms 7 respectively, heat generated during the working of the alternating current permanent magnet synchronous servo motor is taken away in a heat exchange mode, and the temperature inside the shell 1 is reduced;
The spiral radiating pipe 9 is fixed on the inner wall of the casing 1, and two ends of the spiral radiating pipe are fixedly communicated with the two liquid cooling mechanisms 7 respectively and used for transmitting heat in cooling liquid to outside air through the annular radiating fins 10 so as to further reduce the temperature of the cooling liquid.
Through mutual cooperation between the synchronous rotor mechanism 5 of biax, liquid cooling mechanism 7, cooling tube mechanism 8 and spiral cooling tube 9, along with the rotation of two rotor shafts of synchronous rotor mechanism 5 of biax, just can drive two liquid cooling mechanism 7 work, make liquid cooling mechanism 7 carry out the operation of pump drainage coolant liquid, make the coolant liquid circulation flow between the inside of cooling tube mechanism 8, spiral cooling tube 9 and two liquid cooling mechanism 7, the in-process that the coolant liquid circulation flows, just can in time take away the heat that the motor work produced, simultaneously along with the rotation of synchronous rotor mechanism 5 of biax, can take out the inside hot air of casing 1 fast, utilize liquid cooling and forced air cooling to combine together the mode to cool down the motor, strengthen the cooling effect to the motor greatly, ensure the continuous normal operating of motor.
The second embodiment is shown in fig. 4 to 11, and differs from the first embodiment mainly in that: the liquid cooling double-shaft stretched alternating current permanent magnet synchronous servo motor comprises a double-shaft synchronous rotor body 51, wherein toothed rings 52 positioned in corresponding accommodating barrels 6 are fixedly sleeved on two rotor shafts of the double-shaft synchronous rotor body 51, fan blades 53 positioned in corresponding accommodating barrels 6 are fixedly sleeved on two rotor shafts of the double-shaft synchronous rotor body 51, two liquid cooling mechanisms 7 comprise accommodating boxes 71, the accommodating boxes 71 are fixedly connected to the upper parts of one side wall, close to a shell 1, of an inner cavity of the accommodating barrels 6, rotor shafts of the double-shaft synchronous rotor body 51 penetrate through the accommodating boxes 71 in a rotating manner, the toothed rings 52 are positioned in the accommodating boxes 71, first short shafts 72 are rotatably arranged between left and right side walls of the lower part of the inner cavity of the accommodating boxes 71, the left part of the outer wall of the first short shaft 72 is fixedly sleeved with a first large gear 73, the bottom of the first large gear 73 is meshed with the top of the toothed ring 52, the right part of the outer wall of the first short shaft 72 is fixedly sleeved with a small gear 74, a second short shaft 75 is rotatably arranged between the left side wall and the right side wall of the upper part of the inner cavity of the accommodating box 71, one end of the second short shaft 75 rotatably penetrates through the side wall of the accommodating box 71 and is rotatably connected to the inner wall of the accommodating box 6, the outer part of the second short shaft 75 is fixedly sleeved with a second large gear 76 positioned in the accommodating box 71, the bottom of the second large gear 76 is meshed with the top of the small gear 74, the other end of the second short shaft 75 rotatably penetrates through the side wall of the accommodating box 71 and is fixedly provided with a cam 77, the top of the inner cavity of the accommodating box 6 is provided with a cooling liquid pumping mechanism 78, the top of the accommodating box 71 is rotatably connected to the inner wall of the accommodating box 6, A liquid inlet bent pipe 79 is fixedly penetrated between the accommodating cylinder 6 and the casing 1, one end of the liquid inlet bent pipe 79 positioned in the accommodating cylinder 6 is fixedly communicated with one end of the cooling liquid pumping mechanism 78, one end of the cooling liquid pumping mechanism 78 away from the liquid inlet bent pipe 79 is fixedly communicated with a liquid outlet bent pipe 710, one end of the liquid outlet bent pipe 710 away from the cooling liquid pumping mechanism 78 is fixedly communicated with a spiral heat exchange pipe 711, the spiral heat exchange pipe 711 is fixedly connected to one side wall of an inner cavity of the accommodating cylinder 6 away from the casing 1, the other end of the spiral heat exchange pipe 711 is fixedly communicated with a guide pipe 712, one end of the guide pipe 712 away from the spiral heat exchange pipe 711 is fixedly penetrated into the casing 1, the left end and the right ends of the spiral heat exchange pipe 9 are respectively fixedly communicated with the corresponding guide pipe 712, the cooling liquid pumping mechanism 78 comprises a cylinder 781, the top of the cylinder 781 is fixedly connected to the top of the inner cavity of the accommodating cylinder 6, a piston 782 is slidably arranged between the inner walls of the cylinder 781, a piston 783 is fixedly arranged in the middle of the bottom of the piston 783, the bottom of the piston 78783 is slidably penetrated through the bottom of the cylinder 781 and is fixedly provided with a bottom plate 784, the outer sleeve of the piston 783 is fixedly sleeved with a spring 785, the bottom of the piston 785 is fixedly connected to the bottom of the piston 784, the bottom of the piston 785 is fixedly connected to the bottom of the cylinder 786, and the bottom of the liquid inlet bent pipe 786 is fixedly communicated with the top of the cylinder 786, and the top of the liquid inlet bent pipe 786 is fixedly communicated with the top of the cylinder 786 respectively The liquid return bend 710 is fixed to be connected, the middle part of left portion leads to liquid pipe 786 is fixed to be provided with the feed liquor valve, the middle part of right side leads to liquid pipe 786 is fixed to be provided with the liquid valve, the gas pocket has been seted up to the bottom rear end of barrel 781, the top of bottom plate 784 contacts with the bottom of cam 77, cooling tube mechanism 8 includes two cyclic annular converging pipes 81, two cyclic annular converging pipes 81 are fixed the cover respectively and are established in the outside left and right sides of stator mechanism 4, fixed intercommunication has four cooling return bends 82 between two cyclic annular converging pipes 81, four cooling return bends 82 evenly distributed is outside at stator mechanism 4 and contacts with the outer wall of stator mechanism 4, the right side upper portion fixed intercommunication of right side cyclic annular converging pipe 81 has delivery tube 83, the left side upper portion fixed intercommunication of left side cyclic annular converging pipe 81 has delivery tube 84, the right-hand member of delivery tube 83 is fixed to communicate with the left end of adjacent feed liquor return bend 79, the left end of delivery tube 84 and the right end fixed intercommunication of adjacent feed liquor return bend 79.
Through the mutual cooperation between the toothed ring 52, the first large gear 73, the small gear 74, the second large gear 76, the cam 77 and the cooling liquid pumping mechanism 78, the toothed ring 52 and the fan blades 53 are driven to rotate in the process of rotating two rotor shafts of the double-shaft synchronous rotor body 51, the toothed ring 52 rotates to drive the first large gear 73 and the small gear 74 to rotate, thereby driving the second large gear 76 and the cam 77 to rotate, the purpose of reducing the rotating speed of the cam 77 is achieved through the transmission decelerating effect among a plurality of gears, the bottom plate 784 can be made to reciprocate up and down along with the rotation of the cam 77, the piston 782 can be made to reciprocate up and down, the operation of pumping cooling liquid is achieved, the cooling liquid can be made to circulate, the cooling liquid does not need to be pumped by an additional pump body to circulate, the energy consumption is reduced, the maintenance cost is reduced, the fan blades 53 are driven by the rotor shafts of the double-shaft synchronous rotor body 51 to rotate rapidly, the fan blades 53 rotate along with the rotation of the fan blades 53, the heat exchange tube 82 and the spiral heat exchange tube 9 can be cooled down, the purpose of cooling the heat exchange tube 1 is achieved, the whole cooling air in the machine shell can be cooled down, and the cooling efficiency of the whole machine shell is improved, and the cooling effect of the cooling air in the machine shell is improved.
The embodiment of the invention also provides a use method of the liquid-cooled double-shaft-extension alternating-current permanent-magnet synchronous servo motor, which adopts the liquid-cooled double-shaft-extension alternating-current permanent-magnet synchronous servo motor, and the specific method comprises the following steps:
Firstly, a rotating magnetic field is formed after the stator mechanism 4 is electrified, the double-shaft synchronous rotor mechanism 5 rotates to output torque, and in the running process of a motor, cooling liquid circulates among the cooling pipe mechanism 8, the spiral radiating pipe 9 and the two liquid cooling mechanisms 7, so that along with the rotation of the double-shaft synchronous rotor mechanism 5, the two rotor shafts of the double-shaft synchronous rotor mechanism 5 rotate to respectively drive the two liquid cooling mechanisms 7 to work;
Step two, the liquid cooling mechanism 7 is operated to pump and drain cooling liquid, the cooling pipe mechanism 8, the spiral radiating pipes 9 and the cooling liquid between the two liquid cooling mechanisms 7 are circulated, in the working process of the liquid cooling mechanism 7, along with the rotation of two rotor shafts of the double-shaft synchronous rotor body 51, the toothed ring 52 and the fan blades 53 are driven to rotate, the toothed ring 52 rotates to drive the first large gear 73 and the small gear 74 to rotate, thereby driving the second large gear 76 and the cam 77 to rotate, the purpose of reducing the rotation speed of the cam 77 is achieved through the transmission speed reduction function among a plurality of gears, the bottom plate 784 is intermittently pushed downwards along with the rotation of the cam 77, the bottom plate 784 moves upwards to be in the original position under the elastic function of the spring 785, the bottom of the cam 77 is always contacted with the top of the bottom plate 784 in the working process, the bottom plate 784 is enabled to reciprocate up and down, and the piston 782 is enabled to reciprocate up and down, the cooling liquid in the cooling pipe mechanism 8 is pumped into the right liquid cooling mechanism 7, namely the upper part of the inner cavity of the cylinder 781 in the right liquid cooling mechanism 7, then is extruded into the right spiral heat exchange pipe 711 and then flows into the spiral heat dissipation pipe 9, meanwhile, the left liquid cooling mechanism 7 pumps the cooling liquid in the spiral heat dissipation pipe 9, and then is extruded into the cooling pipe mechanism 8, so that the cooling liquid circularly flows, in the process of fast rotation of the fan blades 53, the hot air in the shell 1 is fast pumped out, the effect of air cooling inside the shell 1 is realized, and the speed of air flowing around the spiral heat exchange pipe 711 is accelerated, so that the cooling speed of the cooling liquid in the spiral heat exchange pipe 711 is accelerated, the whole heat dissipation efficiency is improved, wherein the two fan blades 53 on two rotor shafts of the double-shaft synchronous rotor mechanism 5 are symmetrically arranged, and can respectively pump the air inside the shell 1 outwards, in the process of flowing the cooling liquid in the cooling pipe mechanism 8 into the right liquid cooling mechanism 7, heat generated during the operation of the motor is taken away in a heat exchange mode, and the temperature in the casing 1 is reduced;
In the process that the cooling liquid in the spiral cooling tube 9 flows into the left liquid cooling mechanism 7, as the spiral cooling tube 9 is in contact with the inner wall of the casing 1, the outer wall of the casing 1 is provided with a plurality of annular cooling fins 10, the spiral cooling tube 9 transfers heat in the internal cooling liquid to the annular cooling fins 10, so that the annular cooling fins 10 are utilized to transfer heat to the outside air, the temperature of the cooling liquid is further reduced, the cooling liquid circularly flows to bring heat generated by motor work, wherein the stator mechanism 4 is provided with tooth grooves, three-phase alternating current windings are arranged in the tooth grooves, the windings can generate a rotating magnetic field after being electrified, the double-shaft synchronous rotor body 51 is composed of a plurality of permanent magnets, a punching sheet and two rotor shafts, the magnetic field waveforms are sine waves, the permanent magnets synchronously rotate under the action of the rotating magnetic field generated by the stator mechanism 4, and detection mechanisms are arranged on the left side and the right side of the casing 1 and are used for detecting the position and the speed of the double-shaft synchronous rotor body 51, so that high-precision servo control of the motor is realized, and the detection mechanism belongs to the prior art known to the person skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a liquid cooling double shaft stretches alternating current permanent magnetism synchronous servo motor which characterized in that includes:
The novel double-shaft synchronous motor comprises a machine shell (1), wherein ventilation screen plates (2) are fixedly penetrated at the left side and the right side of the machine shell (1), a stator mechanism (4) is fixedly arranged in an inner cavity of the machine shell (1) through a plurality of connecting blocks (3), a double-shaft synchronous rotor mechanism (5) is penetrated inside the stator mechanism (4), accommodating barrels (6) are fixedly arranged at the left side and the right side of the machine shell (1), two rotor shafts of the double-shaft synchronous rotor mechanism (5) respectively rotate and penetrate through the outer walls of the corresponding accommodating barrels (6), a plurality of annular radiating fins (10) are uniformly and fixedly sleeved on the outer walls of the machine shell (1), a plurality of radiating holes (11) are formed in the left side and the right side of the accommodating barrels (6), and an outlet box (12) is fixedly arranged at the left side of the top of the machine shell (1);
The two liquid cooling mechanisms (7) are respectively arranged in the inner cavities of the corresponding accommodating cylinders (6) and are used for driving the cooling liquid to circularly flow;
The cooling pipe mechanism (8) is fixedly sleeved outside the stator mechanism (4), two ends of the cooling pipe mechanism are fixedly communicated with the two liquid cooling mechanisms (7) respectively, heat generated during the working of the alternating current permanent magnet synchronous servo motor is taken away in a heat exchange mode, and the temperature inside the shell (1) is reduced;
The spiral radiating pipe (9) is fixed on the inner wall of the shell (1), and two ends of the spiral radiating pipe are fixedly communicated with the two liquid cooling mechanisms (7) respectively and are used for transmitting heat in cooling liquid to outside air through the annular radiating fins (10) so as to further reduce the temperature of the cooling liquid.
2. The liquid-cooled double-shaft stretched alternating current permanent magnet synchronous servo motor of claim 1, wherein the double-shaft synchronous rotor mechanism (5) comprises a double-shaft synchronous rotor body (51), toothed rings (52) positioned in corresponding accommodating drums (6) are fixedly sleeved on two rotor shafts of the double-shaft synchronous rotor body (51), and fan blades (53) positioned in the corresponding accommodating drums (6) are fixedly sleeved on two rotor shafts of the double-shaft synchronous rotor body (51).
3. The alternating current permanent magnet synchronous servo motor with liquid cooling and double shaft extension according to claim 2, wherein the two liquid cooling mechanisms (7) comprise placing boxes (71), the placing boxes (71) are fixedly connected to the upper portion of one side wall, close to the shell (1), of an inner cavity of the accommodating cylinder (6), a rotor shaft of the double shaft synchronous rotor body (51) rotates to penetrate through the placing boxes (71), the toothed ring (52) is located in the placing boxes (71), a first short shaft (72) is rotatably arranged between the left side wall and the right side wall of the lower portion of the inner cavity of the placing boxes (71), a first large gear (73) is fixedly sleeved on the left portion of the outer wall of the first short shaft (72), and the bottom of the first large gear (73) is meshed with the top of the toothed ring (52).
4. The alternating current permanent magnet synchronous servo motor with liquid cooling and double shaft extension according to claim 3, wherein a pinion (74) is fixedly sleeved on the right part of the outer wall of the first short shaft (72), a second short shaft (75) is rotatably arranged between the left side wall and the right side wall of the upper part of the inner cavity of the accommodating box (71), one end of the second short shaft (75) rotatably penetrates through the side wall of the accommodating box (71) and is rotatably connected to the inner wall of the accommodating cylinder (6), a second large gear (76) positioned in the accommodating box (71) is fixedly sleeved on the outer part of the second short shaft (75), the bottom of the second large gear (76) is meshed with the top of the pinion (74), the other end of the second short shaft (75) rotatably penetrates through the side wall of the accommodating box (71) and is fixedly provided with a cam (77), and a cooling liquid pumping mechanism (78) is fixedly arranged at the top of the inner cavity of the accommodating cylinder (6), and a liquid inlet elbow (79) fixedly penetrates through the top of the accommodating box (6) and the housing (1).
5. The alternating current permanent magnet synchronous servo motor with liquid cooling double shaft extension of claim 4, wherein one end of the liquid inlet bent pipe (79) located in the accommodating cylinder (6) is fixedly communicated with one end of the cooling liquid pumping mechanism (78), one end of the cooling liquid pumping mechanism (78) away from the liquid inlet bent pipe (79) is fixedly communicated with the liquid outlet bent pipe (710), one end of the liquid outlet bent pipe (710) away from the cooling liquid pumping mechanism (78) is fixedly communicated with the spiral heat exchange pipe (711), the spiral heat exchange pipe (711) is fixedly connected to one side wall of an inner cavity of the accommodating cylinder (6) away from the casing (1), the other end of the spiral heat exchange pipe (711) is fixedly communicated with the guide pipe (712), one end of the guide pipe (712) away from the spiral heat exchange pipe (711) is fixedly penetrated into the casing (1), and the left end and the right end of the spiral heat dissipation pipe (9) are respectively fixedly communicated with the corresponding guide pipe (712).
6. The liquid-cooled double-shaft stretched alternating-current permanent magnet synchronous servo motor according to claim 5, wherein the cooling liquid pumping and discharging mechanism (78) comprises a cylinder body (781), the top of the cylinder body (781) is fixedly connected to the top of an inner cavity of the accommodating cylinder (6), a piston (782) is slidably arranged between the inner walls of the cylinder body (781), and a piston rod (783) is fixedly arranged in the middle of the bottom of the piston (782).
7. The alternating current permanent magnet synchronous servo motor with liquid cooling and double shaft extension according to claim 6, wherein the bottom of the piston rod (783) penetrates through the bottom of the cylinder body (781) in a sliding mode and is fixedly provided with a bottom plate (784), a spring (785) is sleeved outside the piston rod (783), the spring (785) is fixedly connected between the bottom of the cylinder body (781) and the top of the bottom plate (784), and liquid through pipes (786) are fixedly communicated with the upper portions of the left side and the right side of the cylinder body (781).
8. The alternating current permanent magnet synchronous servo motor with liquid cooling and double shaft extension according to claim 7, wherein the two liquid passing pipes (786) are fixedly communicated with the liquid inlet bent pipe (79) and the liquid outlet bent pipe (710) respectively, a liquid inlet valve is fixedly arranged in the middle of the liquid passing pipe (786) at the left part, a liquid outlet valve is fixedly arranged in the middle of the liquid passing pipe (786) at the right part, an air hole is formed in the rear end of the bottom of the cylinder (781), and the top of the bottom plate (784) is in contact with the bottom of the cam (77).
9. The alternating current permanent magnet synchronous servo motor with liquid cooling and double shaft extension according to claim 4, wherein the cooling pipe mechanism (8) comprises two annular collecting pipes (81), the two annular collecting pipes (81) are fixedly sleeved on the left side and the right side of the outside of the stator mechanism (4) respectively, four cooling bent pipes (82) are fixedly communicated between the two annular collecting pipes (81), the four cooling bent pipes (82) are uniformly distributed on the outside of the stator mechanism (4) and are in contact with the outer wall of the stator mechanism (4), an outlet pipe (83) is fixedly communicated with the upper right side of the annular collecting pipe (81), an inlet pipe (84) is fixedly communicated with the upper left side of the annular collecting pipe (81), the right end of the outlet pipe (83) is fixedly communicated with the left end of an adjacent inlet bent pipe (79), and the left end of the inlet pipe (84) is fixedly communicated with the right end of the adjacent inlet bent pipe (79).
10. The method for using the liquid-cooled double-shaft stretched alternating-current permanent-magnet synchronous servo motor is characterized by comprising the following steps of:
Firstly, a stator mechanism (4) is electrified to form a rotating magnetic field, a double-shaft synchronous rotor mechanism (5) rotates to output torque, and in the running process of a motor, cooling liquid circulates among a cooling pipe mechanism (8), a spiral radiating pipe (9) and the interiors of two liquid cooling mechanisms (7), so that along with the rotation of the double-shaft synchronous rotor mechanism (5), two rotor shafts of the double-shaft synchronous rotor mechanism (5) rotate to respectively drive the two liquid cooling mechanisms (7) to work;
Step two, the liquid cooling mechanism (7) is operated to pump and discharge cooling liquid, so that the cooling liquid inside the cooling pipe mechanism (8), the spiral radiating pipe (9) and the two liquid cooling mechanisms (7) circularly flow, and the cooling liquid inside the cooling pipe mechanism (8) takes away heat generated during the operation of the motor in a heat exchange mode in the process of flowing into the liquid cooling mechanism (7) at the right part, so that the temperature inside the shell (1) is reduced;
in the process of flowing the cooling liquid in the spiral cooling tube (9) into the left liquid cooling mechanism (7), as the spiral cooling tube (9) is in contact with the inner wall of the casing (1), the outer wall of the casing (1) is provided with a plurality of annular cooling fins (10), and the spiral cooling tube (9) transfers heat in the internal cooling liquid to the annular cooling fins (10), so that the annular cooling fins (10) are utilized to transfer heat to the outside air, the temperature of the cooling liquid is further reduced, and the cooling liquid circularly flows to carry out heat generated by motor work.
CN202411846213.6A 2024-12-16 2024-12-16 A liquid-cooled double-axle-extended AC permanent magnet synchronous servo motor and use method thereof Pending CN119298531A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120511913A (en) * 2025-06-09 2025-08-19 天津市晟捷机电科技有限公司 Squirrel-cage synchronous motor
CN120528185A (en) * 2025-07-23 2025-08-22 安徽明腾永磁机电设备有限公司 A three-phase permanent magnet synchronous motor for ships

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209358384U (en) * 2019-02-21 2019-09-06 黄河科技学院 A new energy vehicle motor radiator
CN209375320U (en) * 2019-01-26 2019-09-10 无锡市迅驰焊接设备制造有限公司 A kind of servo motor water cooling plant
CN210780349U (en) * 2019-12-03 2020-06-16 西安雅邦机电设备有限公司 High-efficient tombarthite permanent-magnet machine
CN116846148A (en) * 2023-09-04 2023-10-03 广东兆力电机集团有限公司 A motor with an auxiliary heat dissipation device
WO2024108612A1 (en) * 2022-11-21 2024-05-30 安徽正飞机电设备有限公司 Motor heat dissipation structure
CN118572951A (en) * 2024-07-31 2024-08-30 廊坊金润智通科技有限公司 Heat dissipation motor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209375320U (en) * 2019-01-26 2019-09-10 无锡市迅驰焊接设备制造有限公司 A kind of servo motor water cooling plant
CN209358384U (en) * 2019-02-21 2019-09-06 黄河科技学院 A new energy vehicle motor radiator
CN210780349U (en) * 2019-12-03 2020-06-16 西安雅邦机电设备有限公司 High-efficient tombarthite permanent-magnet machine
WO2024108612A1 (en) * 2022-11-21 2024-05-30 安徽正飞机电设备有限公司 Motor heat dissipation structure
CN116846148A (en) * 2023-09-04 2023-10-03 广东兆力电机集团有限公司 A motor with an auxiliary heat dissipation device
CN118572951A (en) * 2024-07-31 2024-08-30 廊坊金润智通科技有限公司 Heat dissipation motor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120511913A (en) * 2025-06-09 2025-08-19 天津市晟捷机电科技有限公司 Squirrel-cage synchronous motor
CN120528185A (en) * 2025-07-23 2025-08-22 安徽明腾永磁机电设备有限公司 A three-phase permanent magnet synchronous motor for ships

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Application publication date: 20250110