CN118971487B - High-efficient high-power high-voltage frequency conversion all-in-one - Google Patents
High-efficient high-power high-voltage frequency conversion all-in-one Download PDFInfo
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- CN118971487B CN118971487B CN202411077976.9A CN202411077976A CN118971487B CN 118971487 B CN118971487 B CN 118971487B CN 202411077976 A CN202411077976 A CN 202411077976A CN 118971487 B CN118971487 B CN 118971487B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention belongs to the technical field of high-voltage variable frequency motors, and particularly relates to a high-efficiency high-power high-voltage variable frequency integrated machine which comprises a high-voltage variable frequency device, a motor shell and a motor, wherein the motor is arranged in the motor shell, the high-voltage variable frequency device is fixedly arranged on one side of the motor shell, a through hole is formed in the rear side of the motor shell, a heat dissipation cavity is fixedly formed in the inner wall of the through hole, a heat dissipation net is connected to the rear side of the heat dissipation cavity in a threaded manner, a high-power heat dissipation mechanism is arranged in the heat dissipation cavity and comprises four sliding rails, a mounting rod, an electric motor and fan blades, the four sliding rails are fixedly arranged on the inner wall of the heat dissipation cavity, the mounting rod is slidably connected in the four sliding rails, the electric motor is fixedly arranged in the middle of the mounting rod, and the device solves the problem that the current high-voltage variable frequency integrated motor is damaged due to high-power operation for a long time and poor heat dissipation performance in the use process.
Description
Technical Field
The invention belongs to the technical field of high-voltage variable frequency motors, and particularly relates to a high-efficiency high-power high-voltage variable frequency integrated machine.
Background
At present, mechanisms such as a high-voltage motor and a frequency converter used in a power plant are combined into a whole, so that space can be relatively saved, the integrated high-voltage frequency conversion motor is limited by defects in structure and function, reliability is poor in the use process, a box body has poor heat dissipation effect in the long-time running process of the high-voltage frequency conversion motor, the temperature of the motor is easily raised too fast, and the frequency conversion operation fails. This phenomenon is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a high-efficiency high-power high-voltage frequency conversion integrated machine so as to solve the problems in the background technology.
The high-efficiency high-power high-voltage frequency conversion integrated machine comprises a high-voltage frequency converter, a motor shell and a motor, wherein the motor is arranged in the motor shell, the high-voltage frequency converter is fixedly arranged on one side of the motor shell, a through hole is formed in the rear side of the motor shell, a heat dissipation cavity is fixedly formed in the inner wall of the through hole, a heat dissipation net is connected to the rear side of the heat dissipation cavity in a threaded mode, a high-power heat dissipation mechanism is arranged in the heat dissipation cavity and comprises four sliding rails, a mounting rod, an electric motor and fan blades, the four sliding rails are fixedly arranged on the inner wall of the heat dissipation cavity, the mounting rod is connected in the four sliding rails in a sliding mode, the electric motor is fixedly arranged in the middle of the mounting rod, and the fan blades are fixedly connected with the output end of the electric motor.
The fan blade comprises a connecting disc, four placement blocks, four eccentric rods, two circular arc discs and two spheres, wherein the connecting disc is fixedly arranged on one side of the fan blade, the four placement blocks are uniformly distributed and fixed on the periphery of the connecting disc, grooves are formed in the outer ends of the four placement blocks, the four eccentric rods are respectively connected with the inner walls of the grooves of the four placement blocks in a shaft mode, the two circular arc discs are respectively connected with the inner walls of a heat dissipation cavity in a shaft mode and are oppositely arranged, the two spheres are respectively and fixedly arranged between the two circular arc discs and are in contact with the outer ends of the eccentric rods, and the outer ends of the four eccentric rods are arc-shaped.
Preferably, the electric motor is connected with a motor wire, and a high-power heat dissipation system is arranged in the electric motor, the high-power heat dissipation system comprises a rotation speed judging module and a rotation speed executing module, the rotation speed judging module is electrically connected with the motor, the rotation speed executing module is electrically connected with the rotation speed judging module, the rotation speed judging module is used for judging the rotation speed of the motor, and the rotation speed executing module is used for controlling the rotation speed of the electric motor according to the rotation speed of the motor.
The operation steps of the high-power heat dissipation system comprise the steps of S1, running the motor at high power and synchronously running the high-power heat dissipation system, S2, judging the rotation speed of the motor through a rotation speed judging module, controlling the rotation speed of the electric motor according to the rotation speed of the motor so as to adjust heat dissipation power, S3, acting by centrifugal force, enabling the circular arc coil shaft to rotate, adjusting the size of a heat dissipation opening according to the rotation speed of the motor, and S4, stopping running the motor and stopping running the high-power heat dissipation system.
Preferably, in the step S2,Wherein V is the rotational speed of the electric motor, V max is the highest rotational speed of the electric motor, V Electric power is the rotational speed of the motor, and V Electric power max is the highest rotational speed of the motor.
Preferably, in the step S3,Wherein, R is the opening size between two circular arc discs, and R max is the maximum opening between two circular arc discs.
Preferably, the circular arc disk comprises a circular arc rod, a hydraulic cavity, a hydraulic plate and an elastic telescopic rod, wherein the hydraulic cavity is fixedly arranged on the inner wall of the heat dissipation cavity, the hydraulic plate is slidably connected to the inner wall of the hydraulic cavity and fixedly connected with the surface of the circular arc disk through the circular arc rod, the elastic telescopic rod is fixedly arranged between the mounting rod and the motor, the outer ends of the elastic telescopic rod and the hydraulic cavity are connected with a liquid inlet pipe and a liquid discharge pipe, a pressure valve is arranged in the liquid inlet pipe, an electric control valve is arranged in the liquid discharge pipe, the electric control valve is electrically connected with the motor, and the opening and the closing of the motor correspond to the closing and opening of the electric control valve.
Preferably, an impact rod is fixed on the surface of the connecting disc, and an impact ball is arranged on an outer end bearing of the impact rod.
Compared with the prior art, the invention has the beneficial effects that the adopted high-power heat dissipation system and high-power heat dissipation mechanism realize automatic and rapid heat dissipation, simultaneously enable the four centrifugal rods to generate centrifugal force, throw away the four centrifugal rods through axial outer expansion, enable the four centrifugal rods to be in contact with the sphere of the circular arc disk, push the circular arc disk to rotate the circular arc disk, enable the circular arc disk to rotate around the shaft, enable the two circular arc disks to be opened, increase the airflow channel, thereby enhancing heat dissipation, and subsequently enable the two circular arc disks to be closed, thereby blocking dust from entering the motor and playing a role of efficiently protecting the motor;
and when the arc disc opening is great, make the extension of elasticity telescopic link to drive the installation pole and slide along four slide rail inner walls, drive the flabellum through electric motor and remove, the flabellum drives the connection pad and removes with the eccentric lever, thereby the furthest struts the arc disc, thereby the maximum arc disc of opening, and the running power maximize of motor at this moment, thereby carries out the heat dissipation in the furthest, fully protects the motor.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the installation position of the heat dissipation chamber and the heat dissipation net of the present invention;
FIG. 3 is a schematic diagram of the front side structure of the heat dissipation chamber of the present invention;
FIG. 4 is a schematic view of the rear side structure of the heat dissipation chamber of the present invention;
FIG. 5 is a schematic view of the relative positions of the centrifugal rod and the circular arc disk of the present invention;
FIG. 6 is a schematic view of the piping connection between the hydraulic chamber and the elastic telescoping rod of the present invention;
in the figure, 1, a motor shell, 2, a high-voltage frequency converter, 3, a heat dissipation cavity, 4, a heat dissipation net, 5, a sliding rail, 6, a mounting rod, 7, an electric motor, 8, fan blades, 81, a connecting disc, 811, an impact rod, 812, an impact ball, 82, a mounting block, 821, a centrifugal rod, 83, an arc disc, 831, a sphere, 832, an arc rod, 833, a hydraulic cavity, 834, a hydraulic plate, 835 and an elastic telescopic rod.
Detailed Description
The technical scheme of the present invention is further described in non-limiting detail below with reference to the preferred embodiments and the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. 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.
Referring to fig. 1-6, the invention provides a technical scheme that the high-efficiency high-power high-voltage frequency conversion integrated machine comprises a high-voltage frequency converter 2, a motor shell 1 and a motor, wherein the motor is arranged in the motor shell 1, the high-voltage frequency converter 2 is fixedly arranged on one side of the motor shell 1, a through hole is formed in the rear side of the motor shell 1, a heat dissipation cavity 3 is fixed on the inner wall of the through hole, and a heat dissipation net 4 is connected to the rear side of the heat dissipation cavity 3 in a threaded manner;
the high-power heat dissipation mechanism is arranged in the heat dissipation cavity 3 and comprises four slide rails 5, a mounting rod 6, an electric motor 7 and fan blades 8;
The four sliding rails 5 are fixedly arranged on the inner wall of the heat dissipation cavity 3, the installation rod 6 is slidably connected in the four sliding rails 5, the electric motor 7 is fixedly arranged in the middle of the installation rod 6, and the fan blades 8 are fixedly connected with the output end of the electric motor 7;
The motor operates, realize the high-efficient high-power operation of motor through high-voltage inverter 2, realize the integration installation, save space, at this moment motor housing 1 is because the high-power operating temperature of motor risees, high-power heat dissipation mechanism operates, electric motor 7 starts, drive flabellum 8 high-speed rotation, the temperature in with motor housing 1 is transmitted away from heat dissipation net 4 through the air current, thereby carry out quick heat dissipation work, the radiating effect is good, through radiating high-power operating motor, can avoid inside high temperature to damage the motor, play the effect of protecting high-power operating motor.
The fan blade 8 comprises a connecting disc 81, four placement blocks 82, four centrifugal rods 821, two circular arc discs 83 and two spheres 831;
The connecting disc 81 is fixedly arranged on one side of the fan blade 8, the four placement blocks 82 are uniformly distributed and fixed on the periphery of the connecting disc 81, grooves are formed in the outer ends of the four placement blocks 82, and the four eccentric rods 821 are respectively connected with the inner wall shafts of the grooves of the four placement blocks 82;
The two arc discs 83 are both connected to the inner wall of the heat dissipation cavity 3 in a shaft manner and are oppositely arranged, the two spheres 831 are respectively and fixedly arranged in the middle of the two arc discs 83 and are contacted with the outer ends of the centrifugal rods 821, and the outer ends of the four centrifugal rods 821 are arc-shaped;
When the fan blade 8 rotates at a high speed, the connecting disc 81 is driven to rotate at a high speed, so that the four centrifugal rods 821 generate centrifugal force, the four centrifugal rods 821 are thrown away through expansion at the outer side in the axial direction, the four centrifugal rods 821 are mutually contacted with the spheres 831 of the circular arc discs 83, the circular arc discs 83 are pushed to rotate around the shaft, the two circular arc discs 83 are opened, an airflow channel can be increased, heat dissipation is enhanced, the two circular arc discs 83 can be closed subsequently, dust is blocked from entering the motor, and the effect of efficiently protecting the motor is achieved.
The electric motor 7 is connected with a motor wire, and a high-power heat dissipation system is arranged inside the electric motor;
the high-power heat dissipation system comprises a rotation speed judging module and a rotation speed executing module, wherein the rotation speed judging module is electrically connected with the motor, the rotation speed executing module is electrically connected with the rotation speed judging module, the rotation speed judging module is used for judging the rotation speed of the motor, and the rotation speed executing module is used for controlling the rotation speed of the electric motor 7 according to the rotation speed of the motor.
The operation steps of the high-power heat dissipation system comprise:
step S1, the motor runs at high power, and a high-power heat dissipation system runs synchronously;
step S2, judging the rotating speed of the motor through a rotating speed judging module, and controlling the rotating speed of the electric motor 7 according to the rotating speed of the motor so as to adjust the heat dissipation power;
step S3, under the action of centrifugal force, the arc disc 83 rotates around the shaft, and the size of the heat radiation opening is adjusted according to the rotating speed of the motor;
and S4, stopping the operation of the motor, and stopping the operation of the high-power heat dissipation system.
In the step S2 of the process,Wherein V is the rotational speed of the electric motor 7, V max is the highest rotational speed of the electric motor 7, V Electric power is the rotational speed of the motor, V Electric power max is the highest rotational speed of the motor;
The higher the motor running power is, the faster the rotating speed is, and at the moment, the higher the rotating speed of the electric motor 7 is, so that on one hand, the heat dissipation efficiency is increased, and on the other hand, the energy consumption is reduced when the motor running power is low, and meanwhile, the heat dissipation can be ensured.
In the step S3 of the process,Wherein r is the size of the opening between the two circular arc discs 83, and r max is the maximum opening between the two circular arc discs 83;
The higher the motor running power is, the higher the temperature generated inside is, at this time, the opening size between the circular arc discs 83 is increased, so that the heat dissipation efficiency can be further improved, and when the temperature is low, the heat dissipation is guaranteed, the entering of dust can be relatively reduced, the effect of blocking the dust is achieved, and when the motor is completely closed, the circular arc discs 83 are kept parallel, at this time, the dust can be blocked to the greatest extent and enter the motor, and the effect of protecting the motor is achieved.
The circular arc disc 83 comprises a circular arc rod 832, a hydraulic cavity 833, a hydraulic plate 834 and an elastic telescopic rod 835;
The hydraulic cavity 833 is fixedly arranged on the inner wall of the heat dissipation cavity 3, the hydraulic plate 834 is slidably connected on the inner wall of the hydraulic cavity 833 and is fixedly connected with the surface of the circular arc disc 83 through the circular arc rod 832, and the elastic telescopic rod 835 is fixedly arranged between the mounting rod 6 and the motor;
The outer ends of the elastic telescopic rod 835 and the hydraulic cavity 833 are connected with a liquid inlet pipe and a liquid discharge pipe, a pressure valve is arranged in the liquid inlet pipe, an electric control valve is arranged in the liquid discharge pipe, the electric control valve is electrically connected with a motor, and the opening and closing of the motor correspond to the closing and opening of the electric control valve;
in the process of rotating the circular arc discs 83 around the shaft, the circular arc rods 832 drive the hydraulic plates 834 to slide along the inner wall of the hydraulic cavity 833, when R > R mid, R mid is the normal opening size between the two circular arc discs 83, at this time, the hydraulic pressure in the liquid inlet pipe reaches the bearing limit of the pressure valve, so that the pressure valve is opened, liquid quickly enters the elastic telescopic rods 835 through the liquid inlet pipe, the elastic telescopic rods are stretched, thereby driving the mounting rods 6 to slide along the inner walls of the four sliding rails 5, the electric motor 7 drives the fan blades 8 to move, the fan blades 8 drive the connecting discs 81 to move so as to drive the centrifugal rods 821 to move, thereby expanding the circular arc discs 83 to the maximum extent, R=R max, thereby maximizing the opening of the circular arc discs 83, at this time, thereby maximizing the heat dissipation to the maximum extent, fully protecting the motor, and after the motor stops running, the electric control valve is opened, the elastic force generated by the elastic telescopic rods 835 discharges the liquid into the hydraulic cavity 833 again through the liquid outlet pipe, thereby resetting the circular arc discs 83, closing the two circular arc discs 83, reducing dust entering the motor, and then restarting the electric control valve after the motor is started again.
A striking rod 811 is fixed on the surface of the connecting disc 81, and a striking ball 812 is arranged on the outer end bearing of the striking rod 811;
Through the steps, the connecting disc 81 moves to drive the impact rod 811 to move, the impact rod 811 drives the impact ball 812 to impact the inner surface of the heat dissipation net 4, so that dust on the net is shaken off, the heat dissipation net 4 is prevented from being blocked by dust, the heat dissipation effect is affected, and the impact ball 812 connected through the bearing can enable the impact ball 812 to rotate after being in contact with the inner surface of the heat dissipation net 4, so that abrasion of a structure is reduced, and the service life of the structure is prolonged.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Finally, it should be pointed out that the above embodiments are only intended to illustrate the technical solution of the invention, not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, without departing from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The high-efficiency high-power high-voltage frequency conversion integrated machine comprises a high-voltage frequency converter (2), a motor shell (1) and a motor, and is characterized in that the motor is arranged in the motor shell (1), the high-voltage frequency converter (2) is fixedly arranged on one side of the motor shell (1), a through hole is formed in the rear side of the motor shell (1), a heat dissipation cavity (3) is fixed on the inner wall of the through hole, and a heat dissipation net (4) is connected to the rear side of the heat dissipation cavity (3) in a threaded manner;
The high-power heat dissipation mechanism is arranged in the heat dissipation cavity (3) and comprises four sliding rails (5), a mounting rod (6), an electric motor (7) and fan blades (8);
The four sliding rails (5) are fixedly arranged on the inner wall of the radiating cavity (3), the mounting rods (6) are slidably connected in the four sliding rails (5), the electric motor (7) is fixedly arranged in the middle of the mounting rods (6), the fan blades (8) are fixedly connected with the output ends of the electric motor (7), and the fan blades (8) comprise connecting discs (81), four mounting blocks (82), four eccentric rods (821), two circular arc discs (83) and two spheres (831);
The connecting disc (81) is fixedly arranged on one side of the fan blade (8), four placement blocks (82) are uniformly distributed and fixed on the periphery of the connecting disc (81), grooves are formed in the outer ends of the four placement blocks (82), and four eccentric rods (821) are respectively connected with the inner wall shafts of the grooves of the four placement blocks (82);
The two arc discs (83) are both connected to the inner wall of the heat dissipation cavity (3) in a shaft mode and are oppositely arranged, the two spheres (831) are fixedly installed in the middle of the two arc discs (83) respectively and are in contact with the outer ends of the centrifugal rods (821), and the outer ends of the four centrifugal rods (821) are arc-shaped.
2. The high-efficiency high-power high-voltage frequency conversion all-in-one machine according to claim 1, wherein the electric motor (7) is connected with a motor wire and is internally provided with a high-power heat dissipation system;
The high-power heat dissipation system comprises a rotation speed judging module and a rotation speed executing module, wherein the rotation speed judging module is electrically connected with the motor, the rotation speed executing module is electrically connected with the rotation speed judging module, the rotation speed judging module is used for judging the rotation speed of the motor, and the rotation speed executing module is used for controlling the rotation speed of an electric motor (7) according to the rotation speed of the motor.
3. The efficient high-power high-voltage frequency conversion all-in-one machine according to claim 2, wherein the high-power heat dissipation system comprises the following operation steps:
step S1, the motor runs at high power, and a high-power heat dissipation system runs synchronously;
s2, judging the rotating speed of the motor through a rotating speed judging module, and controlling the rotating speed of an electric motor (7) according to the rotating speed of the motor so as to adjust the heat dissipation power;
s3, under the action of centrifugal force, the arc disc (83) rotates around the shaft, and the size of the heat radiation opening is adjusted according to the rotating speed of the motor;
and S4, stopping the operation of the motor, and stopping the operation of the high-power heat dissipation system.
4. The high-efficiency high-power high-voltage frequency conversion all-in-one machine according to claim 3, wherein in the step S2,Wherein, the method comprises the steps of, wherein,For the rotational speed of the electric motor (7),Is the highest rotational speed of the electric motor (7),For the rotational speed of the motor,Is the highest rotational speed of the motor.
5. The high-efficiency high-power high-voltage frequency conversion integrated machine according to claim 4, wherein in the step S3,Wherein, the method comprises the steps of, wherein,Is the size of the opening between the two circular arc discs (83),Is the largest opening between the two circular arc discs (83).
6. The high-efficiency high-power high-voltage frequency conversion integrated machine as claimed in claim 5, wherein the circular arc disc (83) comprises a circular arc rod (832), a hydraulic cavity (833), a hydraulic plate (834) and an elastic telescopic rod (835);
The hydraulic cavity (833) is fixedly arranged on the inner wall of the heat dissipation cavity (3), the hydraulic plate (834) is slidably connected to the inner wall of the hydraulic cavity (833) and is fixedly connected with the surface of the circular arc disc (83) through the circular arc rod (832), and the elastic telescopic rod (835) is fixedly arranged between the mounting rod (6) and the motor;
the outer end of the elastic telescopic rod (835) and the outer end of the hydraulic cavity (833) are connected with a liquid inlet pipe and a liquid discharge pipe, a pressure valve is arranged in the liquid inlet pipe, an electric control valve is arranged in the liquid discharge pipe, the electric control valve is electrically connected with a motor, and the opening and closing of the motor correspond to the closing and opening of the electric control valve.
7. The high-efficiency high-power high-voltage frequency conversion integrated machine according to claim 6, wherein an impact rod (811) is fixed on the surface of the connecting disc (81), and an impact ball (812) is mounted on an outer end bearing of the impact rod (811).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202411077976.9A CN118971487B (en) | 2024-08-07 | 2024-08-07 | High-efficient high-power high-voltage frequency conversion all-in-one |
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| CN111969760A (en) * | 2020-08-11 | 2020-11-20 | 温岭市东菱电机有限公司 | 3300V high pressure permanent-magnet variable frequency motor all-in-one |
| CN213149702U (en) * | 2020-10-30 | 2021-05-07 | 胡赛飞 | Heat dissipation protection device for desktop computer main body |
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| CN113644775B (en) * | 2021-10-18 | 2021-12-10 | 东营圭璋海洋科技有限公司 | Motor sand filtering device for petroleum drilling |
| CN113746233B (en) * | 2021-11-04 | 2022-01-25 | 南昌三瑞智能科技有限公司 | Brushless motor with internal integrated heat dissipation module and aircraft |
| CN114928199A (en) * | 2022-05-17 | 2022-08-19 | 临清市辉博机械有限公司 | High-strength motor for bidirectional rotation of motor |
| CN116014977A (en) * | 2022-10-10 | 2023-04-25 | 江苏明磁动力科技有限公司 | Uniform cooling structure for high-speed motor |
| CN115566846B (en) * | 2022-12-07 | 2023-05-09 | 博固科技(南通)有限公司 | Permanent magnet synchronous brushless motor |
| CN117879260B (en) * | 2024-03-13 | 2024-05-28 | 飞森动力科技(福建)有限公司 | Permanent magnet generator cooling device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969760A (en) * | 2020-08-11 | 2020-11-20 | 温岭市东菱电机有限公司 | 3300V high pressure permanent-magnet variable frequency motor all-in-one |
| CN213149702U (en) * | 2020-10-30 | 2021-05-07 | 胡赛飞 | Heat dissipation protection device for desktop computer main body |
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