CN218633598U - Permanent magnet brushless motor for fan - Google Patents
Permanent magnet brushless motor for fan Download PDFInfo
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- CN218633598U CN218633598U CN202223343683.XU CN202223343683U CN218633598U CN 218633598 U CN218633598 U CN 218633598U CN 202223343683 U CN202223343683 U CN 202223343683U CN 218633598 U CN218633598 U CN 218633598U
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Abstract
The utility model relates to a brushless motor equipment technical field, concretely relates to permanent magnet brushless motor for fan, including the fan shell, the inside left side of fan shell is provided with the brushless motor body, the outer wall side of brushless motor body is fixed in the inner wall left side of branch and fan shell, be provided with the cooling subassembly that is used for cooling down to the brushless motor body on the fan shell, the cooling subassembly is including being used for carrying out radiating part, the utility model discloses in, flow in the heat transfer intracavity through using the coolant liquid for the coolant liquid can carry out the heat transfer cooling to the inside of brushless motor body through the inner wall in heat transfer chamber when flowing, and then can cooperate the forced air cooling structure of permanent magnet brushless fan itself to further improve the cooling effect to permanent magnet brushless fan, reduce the inside condition that shutdown protection appears because of the high temperature of permanent magnet brushless motor.
Description
Technical Field
The utility model relates to a brushless motor equipment technical field, concretely relates to permanent magnet brushless motor for fan.
Background
The fan is a driven fluid machine which increases the gas pressure and discharges the gas by means of the input mechanical energy, most of the existing fan driving devices adopt permanent magnet brushless motors, and the brushless direct current motor consists of a motor main body and a driver, and is a typical mechanical and electrical integration product. Because the brushless DC motor is operated in a self-control mode, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under the condition of heavy load under the condition of frequency conversion and speed regulation, and oscillation and step-out can not be generated when the load suddenly changes.
The existing brushless motor drives the fan blades to work for a long time after the fan device is started, the rotor and the stator inside the brushless motor can generate more heat due to long-time work, the temperature of the stator and the temperature of the rotor gradually rise, the rotor is provided with a fixed permanent magnet, the magnetism of the permanent magnet can be influenced when the temperature of the rotor rises, and then the heat dissipation of the brushless motor is assisted by the heat dissipation structure.
And the last heat radiation structure of current permanent magnet brushless motor all is air-cooled heat dissipation mostly, utilize the mobile air that the fan during operation produced to pass through the motor outside promptly and reach the purpose of carrying out the heat dissipation to the motor, this kind of mode can play certain cooling effect, but the effect of its cooling is limited, and when the fan carries out the during operation for a long time, only can't dispel the heat through the forced air cooling and satisfy the demand very likely, thereby can lead to permanent magnet brushless motor inside because of the high shutdown protection of carrying out the high temperature, and then can cause the influence to the normal use of fan.
In summary, it is necessary to provide a permanent magnet brushless motor for a blower.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a permanent magnet brushless motor for fan to solve the fan and carry out the during operation for a long time, only satisfy the demand through the unable heat dissipation of forced air cooling probably, thereby can lead to permanent magnet brushless motor inside because of the high shutdown protection of carrying out of temperature, and then can lead to the problem of influence to the normal use of fan.
In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a permanent magnet brushless motor for fan, includes the fan shell, the inside left side of fan shell is provided with the brushless motor body, the outer wall side of brushless motor body is fixed on the left of the inner wall of passing through branch and fan shell, be provided with the cooling subassembly that is used for cooling down the brushless motor body on the fan shell, the cooling subassembly includes:
a heat dissipating member for dissipating heat, the heat dissipating member being provided in the brushless motor body;
the storage component is used for storing and conveying cooling liquid and is arranged at the bottom end of the outer wall of the brushless motor body;
a cooling part for cooling down the coolant liquid, the cooling part sets up the outer wall right side at the brushless motor body, the both ends of cooling part communicate with storage part and radiating part respectively.
Preferably, the right side of the outer wall of the brushless motor body is fixed with fan blades through an output shaft, and the fan blades are arranged in the fan shell.
Preferably, the brushless motor body includes the end cover, the outer wall side center department of end cover rotates and is connected with the rotor, the outer wall side of end cover just is located the outside of rotor and is fixed with motor housing, motor housing's inner wall is provided with the stator in the position department that corresponds with the rotor, and is a plurality of the stator is arranged through the mode of annular array.
Preferably, the heat dissipation component comprises a heat exchange cavity, the heat exchange cavity is arranged inside the motor shell, and cooling liquid is filled in the heat exchange cavity.
Preferably, the storage component comprises a liquid storage tank, the top end of the outer wall of the liquid storage tank is fixedly connected with the bottom end of the outer wall of the fan shell, the left side of the inner wall of the transfer box is fixedly communicated with a liquid discharge pipe, and one end, far away from the liquid storage tank, of the liquid discharge pipe is communicated with the left side of the bottom end of the inner wall of the heat exchange cavity.
Preferably, the outer wall right side of liquid reserve tank is fixed the intercommunication and is had the transfer pump, the transfer pump is kept away from the one end of liquid reserve tank and is had the transfer case through the fixed intercommunication of pipeline, the top of liquid reserve tank and the outer wall bottom right side fixed connection of fan shell.
Preferably, the cooling part includes snakelike cooling tube, the outer wall right side upper and lower end fixed connection of fan shell has the fixed strip, the outer wall left side of snakelike cooling tube is fixed with the outer wall right side of fixed strip.
Preferably, the outer wall left side front and back end of snakelike cooling tube and the outer wall right side front and back end of fan shell correspond position department fixed connection, the inner wall right-hand member of transfer case passes through conveyer pipe and snakelike cooling tube bottom inlet intercommunication.
Preferably, the fixed intercommunication of liquid outlet of snakelike cooling tube upper end has the feed liquor pipe, the feed liquor pipe is kept away from the one end and the fixed intercommunication in heat transfer chamber inner wall top right side of snakelike cooling tube.
Preferably, a dust separation plate is fixed on the left side of the inner wall of the fan shell, a base is arranged below the bottom end of the outer wall of the fan shell, and the front side and the rear side of the top end of the outer wall of the base are fixedly connected with the bottom end of the outer wall of the fan shell through a support frame.
The beneficial effects of the utility model are that:
in the utility model, the cooling liquid flows in the heat exchange cavity, so that the cooling liquid can exchange heat and cool the interior of the brushless motor body through the inner wall of the heat exchange cavity when flowing, and further can be matched with the air cooling structure of the permanent magnet brushless fan to further improve the cooling effect of the permanent magnet brushless fan, reduce the occurrence of shutdown protection in the permanent magnet brushless motor due to overhigh temperature, and further facilitate the use of personnel;
the utility model discloses in, can carry the coolant liquid after the cooling to snakelike cooling tube department through the liquid reserve tank and the transfer pump that set up, the cooling can be dispelled the heat to the coolant liquid through the mobile air that snakelike cooling tube cooperation fan work produced, can reduce the temperature of coolant liquid before the cooling through above-mentioned mode to can improve the cooling effect of coolant liquid to the inside of brushless motor body after long-time the use.
Drawings
FIG. 1 is a schematic view of a part of the external structure of the present invention in a right side view;
FIG. 2 is a schematic view of the serpentine heat pipe of FIG. 1 with a portion of the structure removed;
fig. 3 is a schematic view of a front view of the fan housing according to the present invention in a partially cut-away configuration;
fig. 4 is a schematic view of a partial three-dimensional structure of the central camera astigmatic heat pipe of the present invention;
fig. 5 is a schematic view of a partial cross-sectional structure of the brushless motor body in the front view direction of the present invention;
fig. 6 is a schematic view of a three-dimensional structure of the fan blade of the present invention.
In the figure: 100. a fan housing; 110. a dust-proof plate; 200. a fan blade; 300. a base; 400. a liquid storage tank; 410. a transfer box; 420. a serpentine radiating pipe; 421. a fixing strip; 422. a liquid inlet pipe; 423. a liquid discharge pipe; 430. an infusion pump; 500. a brushless motor body; 510. a motor housing; 520. a rotor; 530. a stator; 540. a heat exchange cavity.
Detailed Description
The preferred embodiments of the present invention will be described hereinafter with reference to the accompanying drawings, and it should be understood that the preferred embodiments described herein are merely for purposes of illustration and explanation, and are not intended to limit the present invention.
Referring to fig. 1-6, the utility model provides a permanent magnet brushless motor for fan, including fan shell 100, the inner wall left side of fan shell 100 is fixed with dust-proof board 110, be provided with base 300 below the outer wall bottom of fan shell 100, the outer wall top front and back side of base 300 is through support frame and fan shell 100's outer wall bottom fixed connection, the dust-proof board 110 that sets up plays certain dust-proof effect to the air that the fan carried, the inside left side of fan shell 100 is provided with brushless motor body 500, the outer wall side of brushless motor body 500 is fixed with the inner wall left side of fan shell 100 through the branch, the outer wall right side of brushless motor body 500 is fixed with flabellum 200 through the output shaft, flabellum 200 sets up in fan shell 100, brushless motor body 500 includes the end cover, the outer wall side center of end cover rotates to be connected with rotor 520, the outer wall side of end cover is fixed with motor shell 510 just to be located the outside of rotor 520, the inner wall of motor shell 510 is provided with stator 530 at the position that corresponds to rotor 520, a plurality of stators 530 are arranged through the mode of annular array;
the fan housing 100 is provided with a cooling assembly for cooling the brushless motor body 500, the cooling assembly comprises a heat dissipation part for dissipating heat, the heat dissipation part is arranged in the brushless motor body 500, the heat dissipation part comprises a heat exchange cavity 540, the heat exchange cavity 540 is arranged in the motor housing 510, when a cooling liquid flows in the heat exchange cavity 540, the cooling liquid can exchange heat with the interior of the brushless motor body 500 through the motor housing 510 to cool the interior of the brushless motor body 500, so that an effect of assisting the brushless motor body 500 in cooling the rotor 520 and the stator 530 can be achieved, the cooling liquid is filled in the heat exchange cavity 540, the arranged cooling liquid is used for cooling the interior of the brushless motor body 500 in a liquid cooling heat exchange mode, and the condition that the brushless motor body 500 is in emergency shutdown during operation due to overhigh temperature is avoided;
the storage component is used for storing and conveying cooling liquid, the storage component is arranged at the bottom end of the outer wall of the brushless motor body 500 and comprises a liquid storage box 400, the top end of the outer wall of the liquid storage box 400 is fixedly connected with the bottom end of the outer wall of the fan shell 100, the arranged liquid storage box 400 is used for transferring and storing the cooling liquid for cooling, a liquid discharge pipe 423 is fixedly communicated with the left side of the inner wall of the transfer box 410, one end, away from the liquid storage box 400, of the liquid discharge pipe 423 is communicated with the left side of the bottom end of the inner wall of the heat exchange cavity 540, the arranged liquid discharge pipe 423 is used for conveying the cooling liquid after heat exchange into the liquid storage box 400, a liquid conveying pump 430 is fixedly communicated with the right side of the outer wall of the liquid storage box 400, one end, away from the liquid storage box 400, of the liquid conveying pump 430 is fixedly communicated with the transfer box 410 through a pipeline, the top end of the liquid storage box 400 is fixedly connected with the right side of the bottom end of the outer wall of the fan shell 100, and the liquid conveying pump 430 is used for conveying the cooling liquid in the transfer box 400 into the transfer box 410 through a pipeline;
a cooling part for cooling down to the coolant liquid, cooling part sets up the outer wall right side at brushless motor body 500, cooling part's both ends respectively with storage part and radiating part intercommunication, cooling part includes snakelike cooling tube 420, the fixed connection has fixed strip 421 on the outer wall right side of fan housing 100, the outer wall left side of snakelike cooling tube 420 is fixed with the outer wall right side of fixed strip 421, the fixed strip 421 of setting is to fix snakelike cooling tube 420 for the outer wall right side of supplementary fan housing 100, make snakelike cooling tube 420 can fix at liquid reserve tank 400 air outlet department, and snakelike cooling tube 420 of setting is for the cooling down of the mobile air that the coolant liquid that transfer case 410 carried produced after through the fan start, namely, carry out the heat transfer with the air that flows through the coolant liquid after snakelike 420 will use, thereby play the effect that cools down to the coolant liquid, and the preferred metallic copper of the material of snakelike cooling tube 420 or aluminium and nickel alloy of setting, the outer wall left side front and back end of snakelike cooling tube 420 corresponds position department fixed connection with the outer wall right side of fan housing 100 front and back end, the inner wall right side of snakelike cooling tube 422 of cooling tube communicates the feed liquor inlet 422 for the heat transfer liquid that the heat-transfer case 410, thereby the heat-transfer liquid inlet chamber 422 is the last end sets up the heat-transfer liquid that the heat-exchange liquid that the heat-transfer liquid that the cooling liquid inlet that the cooling liquid that the inner wall is set up of snakelike cooling tube 422 is the heat-transfer case, the heat-transfer tube 422.
The utility model discloses a use as follows: firstly, when a worker uses a fan for working for a long time, the infusion pump 430 can be started, the set infusion pump 430 can convey cooling liquid in the liquid storage box 400 into the transfer box 410 through a pipeline, the transfer box 410 can convey the cooling liquid into the serpentine radiating tube 420 through the liquid inlet, the cooling liquid can be conveyed along the serpentine radiating tube 420 from bottom to top under the action of the infusion pump 430, in the process that the cooling liquid flows in the serpentine radiating tube 420, flowing air generated by the set fan blades 200 in working can exchange heat with the cooling liquid through the serpentine radiating tube 420, so that the temperature of the cooling liquid is reduced, the cooling liquid after being cooled can be conveyed into the heat exchange cavity 540 through the liquid inlet tube 422, the cooling liquid can exchange heat with the inside of the brushless motor body 500 through the inner wall of the heat exchange cavity 540, the temperature of the inside of the brushless motor body 500 in working is further reduced, the cooling liquid after being cooled after being exchanged heat can be discharged through the liquid outlet tube 423 and conveyed back into the liquid storage tank 400, and the cooling liquid is continuously conveyed into the serpentine radiating tube 420, and the purpose of circularly flowing the cooling liquid in sequence is achieved.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of protection claimed by the present invention as far as possible.
Claims (8)
1. The utility model provides a permanent magnet brushless motor for fan, includes fan shell (100), its characterized in that: the inside left side of fan shell (100) is provided with brushless motor body (500), the outer wall side of brushless motor body (500) is fixed on the left of the inner wall of fan shell (100) through branch, be provided with the cooling subassembly that is used for cooling to brushless motor body (500) on fan shell (100), the cooling subassembly includes: a heat dissipation member for dissipating heat, the heat dissipation member being provided in the brushless motor body (500);
a storage part for storing and delivering the cooling liquid, the storage part being disposed at a bottom end of an outer wall of the brushless motor body (500);
the cooling component is used for cooling the cooling liquid, the cooling component is arranged on the right side of the outer wall of the brushless motor body (500), and two ends of the cooling component are respectively communicated with the storage component and the heat dissipation component;
the brushless motor body (500) comprises an end cover, a rotor (520) is rotatably connected to the center of the side end of the outer wall of the end cover, a motor shell (510) is fixed to the outer side of the rotor (520) and the side end of the outer wall of the end cover, a stator (530) is arranged on the inner wall of the motor shell (510) at a position corresponding to the rotor (520), and the stators (530) are arranged in an annular array mode;
the heat dissipation component comprises a heat exchange cavity (540), the heat exchange cavity (540) is arranged inside the motor shell (510), and cooling liquid is filled in the heat exchange cavity (540).
2. The permanent magnet brushless motor for the fan according to claim 1, wherein: the fan blade (200) is fixed on the right side of the outer wall of the brushless motor body (500) through an output shaft, and the fan blade (200) is arranged in the fan shell (100).
3. The permanent magnet brushless motor for the fan according to claim 1, wherein: the storage component comprises a liquid storage box (400), the top end of the outer wall of the liquid storage box (400) is fixedly connected with the bottom end of the outer wall of the fan shell (100), a liquid discharge pipe (423) is fixedly communicated with the left side of the inner wall of the liquid storage box (400), and one end, away from the liquid storage box (400), of the liquid discharge pipe (423) is communicated with the left side of the bottom end of the inner wall of the heat exchange cavity (540).
4. The permanent magnet brushless motor for the fan according to claim 3, wherein: the outer wall right side of liquid storage tank (400) is fixed to be communicated with transfer pump (430), the one end that liquid storage tank (400) was kept away from in transfer pump (430) is through the fixed intercommunication of pipeline has transfer case (410), the top of transfer case (410) and the outer wall bottom right side fixed connection of fan shell (100).
5. The permanent magnet brushless motor for the fan according to claim 4, wherein: the cooling part includes snakelike cooling tube (420), the outer wall right side of fan shell (100) is fixed with fixed strip (421) from top to bottom, the outer wall left side of snakelike cooling tube (420) is fixed with the outer wall right side of fixed strip (421).
6. The permanent magnet brushless motor for the fan according to claim 5, wherein: the outer wall left side front and back end of snakelike cooling tube (420) and the outer wall right side front and back end of fan shell (100) correspond position department fixed connection, the inner wall right-hand member of transfer case (410) passes through conveyer pipe and snakelike cooling tube (420) bottom inlet intercommunication.
7. The permanent magnet brushless motor for the fan according to claim 5, wherein: the liquid outlet of snakelike cooling tube (420) upper end is fixed the intercommunication and is had feed liquor pipe (422), the one end and the fixed intercommunication in heat transfer chamber (540) inner wall top right side that snakelike cooling tube (420) was kept away from in feed liquor pipe (422).
8. The permanent magnet brushless motor for the fan according to claim 1, wherein: the dust separation plate (110) is fixed on the left side of the inner wall of the fan shell (100), a base (300) is arranged below the bottom end of the outer wall of the fan shell (100), and the front and rear sides of the top end of the outer wall of the base (300) are fixedly connected with the bottom end of the outer wall of the fan shell (100) through a support frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223343683.XU CN218633598U (en) | 2022-12-13 | 2022-12-13 | Permanent magnet brushless motor for fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223343683.XU CN218633598U (en) | 2022-12-13 | 2022-12-13 | Permanent magnet brushless motor for fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218633598U true CN218633598U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223343683.XU Active CN218633598U (en) | 2022-12-13 | 2022-12-13 | Permanent magnet brushless motor for fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218633598U (en) |
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2022
- 2022-12-13 CN CN202223343683.XU patent/CN218633598U/en active Active
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