CN212969350U - High-efficient constant temperature driving motor - Google Patents

High-efficient constant temperature driving motor Download PDF

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Publication number
CN212969350U
CN212969350U CN202022125089.8U CN202022125089U CN212969350U CN 212969350 U CN212969350 U CN 212969350U CN 202022125089 U CN202022125089 U CN 202022125089U CN 212969350 U CN212969350 U CN 212969350U
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driving motor
water
wall
water tank
pipe
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CN202022125089.8U
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Chinese (zh)
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林明昌
许训尝
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Motion Technology Wuxi Co ltd
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Motion Technology Wuxi Co ltd
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Abstract

The utility model discloses a high-efficient constant temperature driving motor, be the shell that the opening set up including driving motor body and right side, the front side and the rear side of driving motor body all are provided with two radiating fin, and the driving motor body passes through the fix with screw on the bottom inner wall of shell, it is equipped with transparent water tank to inlay on the left side inner wall of shell, and the equal movable contact in front side and the rear side of driving motor body has the U-shaped heat pipe, and the U-shaped heat pipe is located between two radiating fin that correspond. The utility model relates to a rationally, can realize water-cooling and forced air cooling, and through the water-cooling to the supplementary cooling effect of forced air cooling, further improve the cooling effect of driving motor body heat dissipation, can realize the function of automatic water changing when cooling water temperature uprises, improve heat dissipation stability, reach the cooling work that can be stable for a long time to realize that the driving motor body can be stable long-time operation within the temperature range of regulation, improve its life, be favorable to the use.

Description

High-efficient constant temperature driving motor
Technical Field
The utility model relates to a driving motor technical field especially relates to a high-efficient constant temperature driving motor.
Background
With the progress of science and technology in recent years and the gradual development of the driving motor technology, a plurality of factories and production machines run more and adopt electric driving machines as main power sources, electric energy as clean energy is gradually accepted by most production enterprises, the driving motor becomes a great power for economic development in future, the driving motor can generate heat when running, and the service life can be greatly shortened if the temperature is gradually increased and heat cannot be dissipated timely due to the fact that the driving motor needs to continuously run for a long time under some work.
The existing driving motor is poor in heat dissipation effect and difficult to operate for a long time within a specified temperature range, heat is gradually gathered in long-time work, the failure rate of the driving motor is high, the service life of the driving motor can be prolonged, and the using requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a high-efficiency constant-temperature driving motor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-efficiency constant-temperature driving motor comprises a driving motor body and a shell with an opening at the right side, wherein two heat radiating fins are arranged on the front side and the rear side of the driving motor body, the driving motor body is fixed on the inner wall of the bottom of the shell through screws, a transparent water tank is embedded on the inner wall of the left side of the shell, U-shaped heat conducting pipes are movably contacted with the front side and the rear side of the driving motor body respectively and are positioned between the two corresponding heat radiating fins, the top and the bottom of each U-shaped heat conducting pipe are respectively movably contacted with the corresponding heat radiating fins, one end of each U-shaped heat conducting pipe extends to the left side of the driving motor body and is fixedly connected with a check valve, the transparent water tank is fixedly sleeved on the two check valves, the other ends of the two U-shaped heat conducting pipes are communicated and are fixedly provided with a same water distribution box, a micro water pump is fixedly arranged at the bottom of the right side of, the water outlet end of the water pump extends into the water diversion box, the transparent water tank is filled with cooling water, the left side of the transparent water tank is fixedly connected with an air inlet pipe, a cooling fan is fixedly arranged in the air inlet pipe, the left end of the air inlet pipe is fixedly connected with a dustproof filter screen, a copper coil pipe is arranged in the transparent water tank, the bottom end of the copper coil pipe is communicated and fixed with an L-shaped inlet pipe, the left end of the L-shaped inlet pipe extends into the air inlet pipe and is communicated and fixed with a wind collecting cover, the right side of the cooling fan is an air outlet and is in movable contact with the left side of the wind collecting cover, the top end of the copper coil pipe extends out of the transparent water tank and is communicated and fixed with an L-shaped outlet pipe, the right end of the L-shaped outlet pipe is arranged into a plugging structure, a plurality of air outlet covers are communicated and fixed on the inner wall of the top of the L-, a temperature sensing probe of the first temperature control switch is in movable contact with the front side of the radiating fin positioned above the two radiating fins on the front side, and the radiating fan and the micro water pump are both electrically connected with the first temperature control switch;
the left side top intercommunication of transparent water tank is fixed with inlet tube and outlet pipe, the equal fixedly connected with solenoid valve in left end of inlet tube and outlet pipe, and bottom one side fixed mounting of transparent water tank has the second temperature detect switch, and in the temperature sensing probe of second temperature detect switch extended to transparent water tank, two solenoid valves all with second temperature detect switch electric connection.
Preferably, the micro water pump and the cooling fan are both controlled by a first temperature control switch, the two electromagnetic valves are both controlled by a second temperature control switch, a water inlet of the electromagnetic valve connected with the water inlet pipe in the two electromagnetic valves is connected with an external tap water inlet pipe, and a water outlet of the electromagnetic valve connected with the water outlet pipe is connected with an external recovery tank pipeline.
Preferably, transparent water tank comprises the box that the right side set up for the opening and fixes the case lid on the box right side, and first round hole, second round hole and two third round holes have been seted up on the right side of case lid, and the inner wall of first round hole bonds fixedly with the outside of copper coil pipe, and the inner wall of second round hole bonds fixedly with miniature pump's the end outside of intaking, and the inner wall of third round hole bonds fixedly with the outside of the check valve that corresponds, and the left side of check valve is the export.
Preferably, a fourth round hole is formed in the inner wall of the left side of the transparent water tank, and the inner wall of the fourth round hole is fixedly bonded with the outer side of the L-shaped inlet pipe.
Preferably, two fifth round holes are formed in the inner wall of the right side of the water distribution box, a sixth round hole is formed in the inner wall of the bottom of the water distribution box, the inner wall of the fifth round hole is fixedly bonded with the outer side of the corresponding U-shaped heat conduction pipe, and the inner wall of the sixth round hole is fixedly bonded with the outer side of the water outlet end of the micro water pump.
Preferably, a rectangular hole is formed in the inner wall of the left side of the shell, and the inner wall of the rectangular hole is fixedly connected with the outer side of the transparent water tank.
Compared with the prior art, the beneficial effects of the utility model are that:
the circulating flow of cooling water can be realized by driving a motor body, radiating fins, a shell, a transparent water tank, U-shaped heat-conducting pipes, a check valve, a water distribution box, a micro water pump, a copper coil pipe, an L-shaped outlet pipe, an air inlet pipe, an L-shaped inlet pipe, an air collecting cover, a radiating fan, a dustproof filter screen, a first temperature control switch, an water outlet pipe, a water inlet pipe and an electromagnetic valve to be matched with a second temperature control switch, presetting the opening temperature of the radiating fan and the micro water pump through the first temperature control switch, presetting the opening temperature of the two electromagnetic valves through the second temperature control switch, starting the micro water pump and the radiating fan through the first temperature control switch when the first temperature control switch detects that the temperature is higher than the preset temperature through a temperature sensing probe on the first temperature control switch, pumping the cooling water in the transparent water tank by the micro water pump and discharging the cooling water into the two U-shaped heat-conducting pipes through the water distribution box, the heat of the driving motor body can be gradually taken away by the cooling water which circularly flows, the water-cooling heat dissipation effect is realized, when the heat dissipation fan is started, the external air is extracted to form airflow which is discharged into the air collection cover, the airflow enters the copper coil through the L-shaped inlet pipe, the circulating cooling water can also cool the gas flowing in the copper coil, so that the gas is changed into cool gas, the cooled gas enters the L-shaped outlet pipe and is blown out through the air outlet covers to cool and dissipate the heat of the driving motor body, under the mutual matching of the water-cooling heat dissipation and air-cooling heat dissipation, the heat dissipation and cooling effects are further improved, when the second temperature control switch detects that the cooling water in the transparent water tank is higher than the preset temperature through the temperature sensing probe on the second temperature control switch, the second temperature control switch controls the two electromagnetic valves to be opened, and at the moment, the tap water inlet pipe sequentially supplies water to the, the water in the transparent water tank is discharged into the pipeline of the external recovery tank through the water outlet pipe and the corresponding electromagnetic valve, and the effect of cooling the water again or automatically changing the water is gradually realized under the action of one inlet and one outlet, so that the long-term stable cooling work is realized.
The utility model relates to a rationally, can realize water-cooling and forced air cooling, and through the water-cooling to the supplementary cooling effect of forced air cooling, further improve the cooling effect of driving motor body heat dissipation, can realize the function of automatic water changing when cooling water temperature uprises, improve heat dissipation stability, reach the cooling work that can be stable for a long time to realize that the driving motor body can be stable long-time operation within the temperature range of regulation, improve its life, be favorable to the use.
Drawings
Fig. 1 is a schematic structural view of a high-efficiency constant-temperature driving motor provided by the present invention;
fig. 2 is a schematic cross-sectional structural view of a high-efficiency constant-temperature driving motor provided by the present invention;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 100 driving motor body, 101 radiating fin, 1 shell, 2 transparent water tank, 3U-shaped heat conduction pipe, 4 check valve, 5 water distribution box, 6 micro-water pump, 7 copper coil, 8L-shaped outlet pipe, 9 air inlet pipe, 10L-shaped inlet pipe, 11 air collecting cover, 12 radiating fan, 13 dustproof filter screen, 14 first temperature control switch, 15 outlet pipe, 16 inlet pipe, 17 solenoid valve, 18 second temperature control switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a high-efficiency constant temperature driving motor, comprising a driving motor body 100 and a housing 1 with an opening at the right side, two heat dissipating fins 101 are arranged at the front side and the rear side of the driving motor body 100, the driving motor body 100 is fixed on the inner wall of the bottom of the housing 1 by screws, a transparent water tank 2 is embedded on the inner wall of the left side of the housing 1, U-shaped heat conducting pipes 3 are movably contacted at the front side and the rear side of the driving motor body 100, the U-shaped heat conducting pipes 3 are located between the two corresponding heat dissipating fins 101, the top and the bottom of the U-shaped heat conducting pipes 3 are respectively movably contacted with the corresponding heat dissipating fins 101, one end of the U-shaped heat conducting pipes 3 extends to the left side of the driving motor body 100 and is fixedly connected with a one-way valve 4, the transparent water tank 2 is fixedly sleeved on the two one-way valves 4, and, a micro water pump 6 is fixedly arranged at the bottom of the right side of the transparent water tank 2, a water inlet end of the micro water pump 6 extends into the transparent water tank 2 and is fixedly connected with a first filter screen, a water outlet end of the water pump 6 extends into the water distribution box 5, cooling water is filled in the transparent water tank 2, a gas inlet pipe 9 is fixedly connected with the left side of the transparent water tank 2, a heat radiation fan 12 is fixedly arranged in the gas inlet pipe 9, a dustproof filter screen 13 is fixedly connected with the left end of the gas inlet pipe 9, a copper coil pipe 7 is arranged in the transparent water tank 2, the bottom end of the copper coil pipe 7 is communicated and fixed with an L-shaped inlet pipe 10, the left end of the L-shaped inlet pipe 10 extends into the gas inlet pipe 9 and is communicated and fixed with a wind collection cover 11, the right side of the heat radiation fan 12 is an air outlet and is in movable contact with the left side of the wind collection cover 11, the, a plurality of air outlet housings are communicated and fixed on the inner wall of the top of the L-shaped outlet pipe 8, the air outlet housings are positioned above the driving motor body 100, a fixed baffle is fixedly connected on the inner wall of the top of the shell 1, a first temperature control switch 14 is fixedly arranged on the right side of the fixed baffle, a temperature sensing probe of the first temperature control switch 14 is movably contacted with the front side of a radiating fin 101 positioned above the two radiating fins 101 on the front side, and the radiating fan 12 and the micro-water pump 6 are both electrically connected with the first temperature control switch 14;
the utility model has the advantages of reasonable design, can realize water cooling and air cooling, and further improve the cooling effect of cooling the driving motor body 100 through the cooling effect of water cooling assisted by air cooling, can realize the function of automatically changing water when the temperature of cooling water becomes high, improve the stability of heat dissipation, and achieve the long-term stable cooling work, thereby realizing that the driving motor body 100 can stably run for a long time within the specified temperature range, and prolonging the service life thereof, is beneficial to use.
In the utility model, the micro water pump 6 and the heat radiation fan 12 are controlled by the first temperature control switch 14, the two solenoid valves 17 are controlled by the second temperature control switch 18, the water inlet of the solenoid valve 17 connected with the water inlet pipe 16 in the two solenoid valves 17 is connected with the external running water inlet pipe, the water outlet of the solenoid valve 17 connected with the water outlet pipe 15 is connected with the external recycling pool pipe, the transparent water tank 2 is composed of a box body with an opening on the right side and a box cover fixed on the right side of the box body, the right side of the box cover is provided with a first round hole, a second round hole and two third round holes, the inner wall of the first round hole is fixedly bonded with the outer side of the copper coil pipe 7, the inner wall of the second round hole is fixedly bonded with the outer side of the water inlet end of the micro water pump 6, the inner wall of the third round hole is fixedly bonded with the outer side of the corresponding one, the inner wall of the fourth round hole is bonded and fixed with the outer side of the L-shaped inlet pipe 10, two fifth round holes are arranged on the inner wall of the right side of the water distribution box 5, a sixth round hole is arranged on the inner wall of the bottom of the water distribution box 5, the inner wall of the fifth round hole is bonded and fixed with the outer side of the corresponding U-shaped heat conduction pipe 3, the inner wall of the sixth round hole is bonded and fixed with the outer side of the water outlet end of the micro water pump 6, a rectangular hole is arranged on the inner wall of the left side of the shell 1, and the inner wall of the rectangular hole is fixedly connected with the outer side of the transparent water tank 2, the utility model has reasonable design, can realize water cooling and air cooling, further improves the heat dissipation and cooling effects of the driving motor body 100 through the auxiliary cooling effect of air cooling by water cooling, can realize the function of automatic water changing when the temperature of the cooling water becomes high, improves the heat dissipation stability, achieves the long-term stable, the service life of the device is prolonged, and the device is beneficial to use.
The working principle is as follows: the temperature for opening the heat radiation fan 12 and the micro water pump 6 can be preset through the first temperature control switch 14, the temperature for opening the two electromagnetic valves 17 can be preset through the second temperature control switch 18, the heat generated when the driving motor body 100 operates is transferred to the temperature sensing probe of the first temperature control switch 14 through the heat radiation fin 101 above the front side, when the first temperature control switch 14 detects that the temperature is higher than the preset temperature through the temperature sensing probe on the first temperature control switch 14, the first temperature control switch 14 starts the micro water pump 6 and the heat radiation fan 12 at the moment, the micro water pump 6 extracts the cooling water in the transparent water tank 2 and discharges the cooling water into the water distribution box 5, the cooling water is distributed into the two U-shaped heat conduction pipes 3 through the water distribution box 5, and finally the cooling water flows back into the transparent water tank 2 through the one-way valve 4 at the end part of the U-shaped heat conduction pipes 3, and along with the phenomena that the water pumping of the micro water pump 6 is, the circulating flow of the cooling water can be realized, the heat of the driving motor body 100 is transferred to the two U-shaped heat conduction pipes 3, and the heat can be gradually taken away by the circulating flow cooling water, so that the effect of gradually carrying out water cooling heat dissipation on the driving motor body 100 is realized;
when the heat radiation fan 13 is started, external air is extracted to form air flow and the air flow is discharged into the air collecting cover 11, at the moment, the air flow enters the copper coil 7 through the L-shaped inlet pipe 10, the advantage of good heat conductivity of copper materials is utilized, cooling water which circularly flows at the moment can cool the copper coil 7, the purpose of cooling the gas flowing in the copper coil 7 is achieved, the gas is changed into cool gas, the cooled gas enters the air outlet covers through the L-shaped outlet pipes 8, the cool gas is blown to the outer side of the driving motor body 100 through the air outlet covers, the air cooling heat radiation effect is achieved, the cooling effect assisted by water cooling and water cooling is matched, and the heat radiation and cooling effect on the driving motor body 100 is further improved under the mutual matching condition;
when the cooling water is heated gradually along with the circulation of the cooling water, when the second temperature control switch 18 detects that the cooling water in the transparent water tank 2 is higher than the preset temperature through a temperature sensing probe on the second temperature control switch 18, the second temperature control switch 18 controls the two electromagnetic valves 17 to be opened, because the water inlet of the electromagnetic valve 17 connected with the water inlet pipe 16 in the two electromagnetic valves 17 is connected with an external tap water inlet pipe, the water outlet of the electromagnetic valve 17 connected with the water outlet pipe 15 is connected with an external recycling tank pipeline, at the moment, the tap water inlet pipe supplies water into the transparent water tank 2 through the corresponding electromagnetic valve 17 and the water inlet pipe 16 in sequence, the water in the transparent water tank 2 is discharged into the external recycling tank pipeline through the water outlet pipe 15 and the corresponding electromagnetic valve 17, under the action of one inlet and one outlet, the effect of cooling water again or changing water is gradually realized, the reduction of the heat dissipation effect caused by the overheating of the, thereby realizing that the driving motor body 100 can stably operate for a long time within a prescribed temperature range.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A high-efficiency constant-temperature driving motor comprises a driving motor body (100) and a shell (1) with the right side arranged for an opening, wherein the front side and the rear side of the driving motor body (100) are respectively provided with two radiating fins (101), and the driving motor body (100) is fixed on the inner wall of the bottom of the shell (1) through screws, and is characterized in that a transparent water tank (2) is embedded on the inner wall of the left side of the shell (1), the front side and the rear side of the driving motor body (100) are respectively in movable contact with a U-shaped heat conduction pipe (3), the U-shaped heat conduction pipe (3) is positioned between the two corresponding radiating fins (101), the top and the bottom of the U-shaped heat conduction pipe (3) are respectively in movable contact with the corresponding radiating fins (101), one end of the U-shaped heat conduction pipe (3) extends to the left side of the driving motor body (100) and is fixedly connected with a one-way valve (4), and the transparent water tank, the other ends of the two U-shaped heat conduction pipes (3) are communicated and fixed with a same water distribution box (5), the bottom of the right side of the transparent water tank (2) is fixedly provided with a micro water pump (6), the water inlet end of the micro water pump (6) extends into the transparent water tank (2) and is fixedly connected with a first filter screen, the water outlet end of the water pump (6) extends into the water distribution box (5), the transparent water tank (2) is filled with cooling water, the left side of the transparent water tank (2) is fixedly connected with an air inlet pipe (9), a cooling fan (12) is fixedly arranged in the air inlet pipe (9), the left end of the air inlet pipe (9) is fixedly connected with a dustproof filter screen (13), a copper coil pipe (7) is arranged in the transparent water tank (2), the bottom end of the copper coil pipe (7) is communicated and fixed with an L-shaped inlet pipe (10), and the left end of the L-shaped inlet pipe (10, the right side of the heat radiation fan (12) is an air outlet and is in movable contact with the left side of the air collecting cover (11), the top end of the copper coil (7) extends to the outside of the transparent water tank (2) and is fixedly communicated with an L-shaped outlet pipe (8), the right end of the L-shaped outlet pipe (8) is arranged to be of a blocking structure, the inner wall of the top of the L-shaped outlet pipe (8) is communicated with and is fixedly provided with a plurality of air outlet covers, the air outlet covers are positioned above the driving motor body (100), the inner wall of the top of the shell (1) is fixedly connected with a fixed baffle, the right side of the fixed baffle is fixedly provided with a first temperature control switch (14), a temperature sensing probe of the first temperature control switch (14) is in movable contact with the front sides of the heat radiation fins (101) above the two heat radiation fins (101) positioned on the front sides, and the heat radiation fan (12) and the miniature water pump;
the utility model discloses a temperature-sensing water tank, including transparent water tank (2), inlet tube (16) and outlet pipe (15) are fixed with in the left side top intercommunication of transparent water tank (2), the equal fixedly connected with solenoid valve (17) of the left end of inlet tube (16) and outlet pipe (15), and bottom one side fixed mounting of transparent water tank (2) has second temperature detect switch (18), and in the temperature sensing probe of second temperature detect switch (18) extended to transparent water tank (2), two solenoid valves (17) all with second temperature detect switch (18) electric connection.
2. The efficient constant-temperature driving motor according to claim 1, wherein the micro water pump (6) and the heat dissipation fan (12) are controlled by a first temperature control switch (14), the two electromagnetic valves (17) are controlled by a second temperature control switch (18), a water inlet of the electromagnetic valve (17) connected with the water inlet pipe (16) in the two electromagnetic valves (17) is connected with an external tap water inlet pipe, and a water outlet of the electromagnetic valve (17) connected with the water outlet pipe (15) is connected with an external recovery pond pipe.
3. The efficient constant-temperature driving motor as claimed in claim 1, wherein the transparent water tank (2) is composed of a box body with an opening at the right side and a box cover fixed at the right side of the box body, a first round hole, a second round hole and two third round holes are formed in the right side of the box cover, the inner wall of the first round hole is fixedly bonded with the outer side of the copper coil pipe (7), the inner wall of the second round hole is fixedly bonded with the outer side of the water inlet end of the micro water pump (6), the inner wall of the third round hole is fixedly bonded with the outer side of the corresponding one-way valve (4), and the left side of the one-way valve (4) is an outlet.
4. The efficient constant-temperature driving motor as claimed in claim 1, wherein a fourth round hole is formed in the inner wall of the left side of the transparent water tank (2), and the inner wall of the fourth round hole is fixedly bonded with the outer side of the L-shaped inlet pipe (10).
5. The efficient constant-temperature driving motor as claimed in claim 1, wherein two fifth round holes are formed in the inner wall of the right side of the water diversion box (5), a sixth round hole is formed in the inner wall of the bottom of the water diversion box (5), the inner wall of each fifth round hole is fixedly bonded with the outer side of the corresponding U-shaped heat conduction pipe (3), and the inner wall of each sixth round hole is fixedly bonded with the outer side of the water outlet end of the micro water pump (6).
6. The efficient constant-temperature driving motor as claimed in claim 1, wherein a rectangular hole is formed in the inner wall of the left side of the housing (1), and the inner wall of the rectangular hole is fixedly connected with the outer side of the transparent water tank (2).
CN202022125089.8U 2020-09-24 2020-09-24 High-efficient constant temperature driving motor Active CN212969350U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022125089.8U CN212969350U (en) 2020-09-24 2020-09-24 High-efficient constant temperature driving motor

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Application Number Priority Date Filing Date Title
CN202022125089.8U CN212969350U (en) 2020-09-24 2020-09-24 High-efficient constant temperature driving motor

Publications (1)

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CN212969350U true CN212969350U (en) 2021-04-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113708569A (en) * 2021-09-17 2021-11-26 常州元驰精密电机科技有限公司 Water cooling structure for motor rotor
CN115867001A (en) * 2023-02-01 2023-03-28 湖南第一师范学院 Multi-track dampproofing installation cabinet of main frame

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113708569A (en) * 2021-09-17 2021-11-26 常州元驰精密电机科技有限公司 Water cooling structure for motor rotor
CN113708569B (en) * 2021-09-17 2023-02-03 常州元驰精密电机科技有限公司 Water cooling structure for motor rotor
CN115867001A (en) * 2023-02-01 2023-03-28 湖南第一师范学院 Multi-track dampproofing installation cabinet of main frame
CN115867001B (en) * 2023-02-01 2023-05-26 湖南第一师范学院 Dampproofing installing cabinet of multi-track host computer

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