Brushless motor shell heat dissipation structure

Abstract

The utility model discloses a brushless motor housing heat radiation structure, which relates to the technical field of brushless motor housings, and comprises a housing, the front surface and the side surface of a cover plate are connected with four connecting seats, every four connecting seats on one side form a group, a cold water pipe is arranged between two groups of connecting seats, the middle part of the front surface of the housing and the middle part of the back surface of the housing are provided with heat radiation fins, and the heat radiation fins are connected with the cover plate. A ventilation opening is formed in the other side of the shell, a protection frame is arranged on the other side of the shell, and a fan is arranged in the protection frame; the beneficial effects of the utility model are that through the cooperation of the housing and the cooling fins, the heat in the housing is led out, through the cooperation of the two cold water pipes, the heat on the cooling fins is absorbed, the heat of the motor housing is further dissipated, through the cooperation of the ventilation opening and the fan, the air circulation in the housing is accelerated, the heat in the motor housing is dissipated, and the service life of the motor housing is prolonged. Through cooperation of the fan and the cold water pipe, a heat dissipation structure is added, the motor shell is subjected to comprehensive heat dissipation, and the heat dissipation effect is improved.

Description

Technical Field

[0001] The utility model relates to a heat dissipation structure, in particular to a heat dissipation structure of a brushless motor housing, and belongs to the technical field of brushless motor housings. Background Art

[0002] The brushless motor consists of an electric motor and a driver. It is a typical mechatronic product. Due to the high operating frequency, small size, and high power density of the high-speed permanent magnet brushless motor, the loss and heat generation inside the motor are more serious than those of ordinary motors, resulting in increased motor temperature, low efficiency, and short continuous working time of the motor. Improvements are urgently needed, and a heat dissipation structure needs to be used to enhance the heat dissipation effect of the brushless motor.

[0003] Among them, the "a DC brushless motor heat dissipation structure" disclosed in the application number "202220892763.1" is also an increasingly mature technology, comprising a body, a plurality of heat dissipation holes are provided on the rear end face of the body, a heat dissipation fan is installed on the rear end face of the body, a connector is provided on the top of the body, a plug slot is provided on the rear end face of the connector, a connecting line is provided on the top of the heat dissipation fan, a plug connector is provided on the end of the connecting line, and the plug connector and the plug slot are connected together, which solves the problem that the existing heat dissipation structure of the DC brushless motor cannot quickly dissipate the heat of the DC brushless motor and the heat dissipation structure is not convenient to disassemble and assemble according to usage requirements. By The heat dissipation structure of the brushless DC motor is improved and optimized, so that the brushless DC motor can dissipate the heat generated inside it more quickly. The brushless DC motor heat dissipation structure of this structure is convenient and flexible to disassemble and assemble, and is convenient for selectively installing the heat dissipation structure of the brushless DC motor according to the use requirements. After further search, the "a brushless DC motor heat dissipation structure" disclosed in the application number "201420748958.4" includes a brushless DC motor, fan blades, a controller and a rear cover. The rear end of the motor shaft of the brushless DC motor passes through the rear cover to fix the fan blades. The heat dissipation plate of the controller is fixed to the rear cover by a number of support rods. The rear cover is also fixed to the rear cover. The high-power drive module of the controller is installed on one side of the heat dissipation plate. The other side of the heat dissipation plate has heat dissipation ribs, which are located on the side close to the fan blades. The rear cover is provided with a power terminal box, and the body surface of the brushless DC motor has heat dissipation ribs. The utility model integrates the brushless DC motor and the matching controller, which improves the reliability of the entire system and makes it neat. The cooling fan is used to dissipate heat from the motor and the high-power module in the controller at the same time, and the heat dissipation is sufficient, which is beneficial to improving the performance of the entire brushless DC motor system.

[0004] However, the above method still has the following defects in actual use: only using the fan to dissipate heat from the motor housing can only dissipate heat locally from the motor housing, and the heat dissipation structure is single, resulting in poor heat dissipation effect. Therefore, the present invention provides a brushless motor housing heat dissipation structure. Utility Model Content

[0005] The purpose of the present invention is to provide a brushless motor housing heat dissipation structure to solve the problem in the above background technology that only local heat dissipation is possible and the single heat dissipation structure leads to poor heat dissipation effect.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a brushless motor housing heat dissipation structure, comprising a shell, a cover plate connected to one side of the shell by bolts, a through hole being opened in the middle of one side of the cover plate, four connecting seats being connected to the front and side of the cover plate, each four connecting seats on one side forming a group, a cold water pipe being provided between two groups of the connecting seats, a heat sink being provided in the middle of the front and the middle of the back of the shell, the cold water pipe being attached to the heat sink, a vent being opened on the other side of the shell, a protective frame being provided on the other side of the shell, a fan being provided inside the protective frame, and a dustproof mechanism being provided on one side of the protective frame.

[0007] As an optimal technical solution of the present invention, support seats are connected to both sides of the bottom end of the shell, the bottom ends of the two support seats are connected to support plates, a water pump is provided on one side of the top end of the support plate, one end of the two cold water pipes is connected to a diversion pipe, the water outlet of the water pump is connected to a water supply pipe, one end of the water supply pipe is connected to the middle part of the top end of the diversion pipe, and the water inlet of the water pump is connected to the water inlet pipe.

[0008] As a preferred technical solution of the present invention, the other ends of the two cold water pipes are connected to a collecting pipe, and the middle part of one side of the collecting pipe is connected to a drain pipe.

[0009] As a preferred technical solution of the present invention, mounting brackets are connected to the middle of the front and both sides of the back of the protective frame, and the two mounting brackets are respectively connected to one side of the front and one side of the back of the shell by bolts.

[0010] As a preferred technical solution of the present invention, a first connecting ring is connected to the other side of the protective frame, a first connecting groove is opened on the other side of the shell, and the first connecting ring is plugged into the first connecting groove.

[0011] As an optimal technical solution of the present invention, the dustproof mechanism includes a fixed frame, which is snap-connected to one side of the protective frame, a dustproof net is provided inside the fixed frame, a second connecting ring is connected to one side of the fixed frame, a second connecting groove is opened on one side of the protective frame, and the second connecting ring is plugged into the second connecting groove.

[0012] As an optimal technical solution of the present invention, a card slot is provided on one side of the protective frame, the card slot is connected to the second connecting slot, a card block is connected to the inner side of the second connecting ring, the card block is plugged into the card slot, a limiting slot is provided on one side of the card slot, and the card block is slidably connected to the inside of the limiting slot.

[0013] As a preferred technical solution of the present invention, a first marking block is connected to the outside of the protective frame, a second marking block corresponding to the first marking block is connected to the outside of the fixed frame, and two toggle blocks are connected to one side of the fixed frame.

[0014] Compared with related technologies, the brushless motor housing heat dissipation structure provided by the present invention has the following beneficial effects:

[0015] The heat inside the shell is conducted out through the cooperation between the shell and the heat sink, and the heat on the heat sink is absorbed through the cooperation between the two cold water pipes, thereby dissipating the heat from the motor shell. The air circulation inside the shell is accelerated through the cooperation between the vents and the fan, and the heat inside the motor shell is dissipated. The heat dissipation structure is increased through the cooperation between the fan and the cold water pipe, and the motor shell is fully cooled to improve the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the explosion structure of the dust-proof mechanism of the utility model;

[0019] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure.

[0020] In the figure: 1. outer shell; 2. cover plate; 3. through hole; 4. dustproof mechanism; 5. protective frame; 6. fan; 7. cold water pipe; 8. connecting seat; 9. heat sink; 10. vent; 11. diverter pipe; 12. support seat; 13. support plate; 14. water pump; 15. water supply pipe; 16. water inlet pipe; 17. collecting pipe; 18. drain pipe; 19. mounting frame; 20. first connecting ring; 21. first connecting groove; 401. fixing frame; 402. dustproof net; 403. second connecting ring; 404. second connecting groove; 405. card slot; 406. card block; 407. limit slot; 408. first marking block; 409. second marking block; 410. toggle block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example 1:

[0023] See also Figure 1-4 The utility model provides a brushless motor housing heat dissipation structure, including a shell 1, a cover plate 2 is fixedly connected to one side of the shell 1 by bolts, a through hole 3 is opened in the middle of one side of the cover plate 2, so that the output shaft of the motor passes through the through hole 3, thereby facilitating the connection of the output shaft of the motor with the external shaft body, the front and side surfaces of the cover plate 2 are fixedly connected with four connecting seats 8, each four connecting seats 8 on one side form a group, and a cold water pipe 7 is fixed between the two groups of connecting seats 8, and a heat sink 9 is fixed in the middle of the front and the middle of the back of the shell 1. The cold water pipe 7 and the heat sink The fins 9 are attached to each other, and the heat sink 9 can conduct the heat generated when the motor is running. The cold water in the cold water pipe 7 circulates to absorb the heat on the heat sink 9, thereby achieving a heat dissipation effect. A vent 10 is provided on the other side of the shell 1, and a protective frame 5 is fixedly provided on the other side of the shell 1. A fan 6 is fixedly provided inside the protective frame 5. When the fan 6 is turned on, the heat inside the shell 1 is dissipated through the vent 10, thereby accelerating the air circulation inside the shell 1 and accelerating the heat dissipation effect. The shell 1 is fully dissipated through the cold water pipe 7 and the fan 6. A dustproof mechanism 4 is provided on one side of the protective frame 5.

[0024] Both sides of the bottom end of the shell 1 are fixedly connected to support seats 12, the bottom ends of the two support seats 12 are fixedly connected to support plates 13, a water pump 14 is fixedly provided on one side of the top of the support plate 13, one end of the two cold water pipes 7 is fixedly connected to the diversion pipe 11, the water outlet of the water pump 14 is fixedly connected to the water supply pipe 15, one end of the water supply pipe 15 is fixedly connected to the middle of the top of the diversion pipe 11, the water inlet of the water pump 14 is fixedly connected to the water inlet pipe 16, the water inlet pipe 16 is connected to the external pipeline, and the water pump is started. 14, draws external cold water into the shunt pipe 11, and then diverts it from the shunt pipe 11 to the two cold water pipes 7. The cold water is continuously circulated by the water pump 14, thereby continuously supplying water to the cold water pipes 7. The other ends of the two cold water pipes 7 are fixedly connected to the header 17, and the middle part of one side of the header 17 is fixedly connected to the drain pipe 18. After absorbing heat, the cold water in the cold water pipes 7 flows into the header 17 and is finally discharged from the drain pipe 18, so that the cold water flows and the water that has absorbed heat is recovered;

[0025] The middle of the front and both sides of the back of the protective frame 5 are fixedly connected with mounting brackets 19. The two mounting brackets 19 are respectively fixedly connected to one side of the front and one side of the back of the shell 1 by bolts. The protective frame 5 and the fan 6 are installed to the other side of the shell 1 through the mounting brackets 19. The bolts are installed from the front and back of the shell 1. The operation space is large, which is convenient for the staff to install. The other side of the protective frame 5 is fixedly connected to a first connecting ring 20. The other side of the shell 1 is provided with a first connecting groove 21. The first connecting ring 20 is plugged into the first connecting groove 21. The first connecting ring 20 is inserted into the first connecting groove 21 to limit the installation position of the protective frame 5 and also reduce the gap between the protective frame 5 and the shell 1.

[0026] Specifically, first turn on the water pump 14 to draw external cold water into the water supply pipe 15, so that the cold water enters the shunt pipe 11, and then enters the two cold water pipes 7 from the shunt pipe 11, so that the cold water circulates in the cold water pipe 7. During the flow of the cold water, the heat on the heat sink 9 is absorbed, and then the heat in the outer shell 1 is absorbed. Finally, the cold water flows out from the drain pipe 18, taking out the heat, thereby achieving a heat dissipation effect. Then turn on the fan 6 to speed up the air circulation inside the outer shell 1, dissipate the heat in the outer shell 1, and dissipate the heat of the outer shell 1 through the cold water pipe 7 outside the outer shell 1, and the heat dissipation effect of the outer shell 1 is further improved by the fan 6.

[0027] Example 2:

[0028] The dustproof mechanism 4 includes a fixed frame 401, which is snap-connected to one side of the protective frame 5. A dustproof net 402 is fixedly provided inside the fixed frame 401. The dustproof net 402 protects the outer shell 1 to prevent external dust from entering the interior of the motor housing and also prevents external debris from interfering with the operation of the fan 6. A second connecting ring 403 is fixedly connected to one side of the fixed frame 401. A second connecting groove 404 is provided on one side of the protective frame 5. The second connecting ring 403 is plugged into the second connecting groove 404. The second connecting ring 403 is inserted into the second connecting groove 404 to reduce the gap between the protective frame 5 and the fixed frame 401, thereby preventing dust from entering the interior of the outer shell 1 through the gap between the protective frame 5 and the fixed frame 401.

[0029] A card slot 405 is provided on one side of the protective frame 5. There are multiple card slots 405, which are equidistantly arranged on one side of the protective frame 5. The card slot 405 is connected to the second connecting slot 404. A card block 406 is fixedly connected to the inner side of the second connecting ring 403. There are multiple card blocks 406, which are equidistantly arranged on the inner side of the second connecting ring 403. The card block 406 is plugged into the card slot 405. A limiting slot 407 is provided on one side of the card slot 405. The card block 406 is slidably connected to the inside of the limiting slot 407. The card block 406 is inserted into the card slot 405. During the rotation of the card block 406, the card block 406 is turned into the limiting slot 407 to limit the card block 406, thereby limiting the dustproof net 40 2 fixed, the outer side of the protective frame 5 is fixedly connected to a first marking block 408, and a plurality of first marking blocks 408 are provided, which are equidistantly arranged on the outer side of the protective frame 5. The outer side of the fixed frame 401 is fixedly connected to a second marking block 409 corresponding to the first marking block 408, and a plurality of second marking blocks 409 are provided, which are equidistantly arranged on the outer side of the fixed frame 401. The first marking block 408 is aligned with the second marking block 409, so as to facilitate the alignment of the card block 406 with the card slot 405, so that the card block 406 can be inserted into the card slot 405. Two toggle blocks 410 are fixedly connected to one side of the fixed frame 401. The two toggle blocks 410 are manually toggled to rotate the fixed frame 401;

[0030] Specifically, first place the fixed frame 401 on one side of the protective frame 5, align the first marking block 408 with the second marking block 409, push the second connecting ring 403 into the second connecting groove 404, and make the card block 406 enter the card slot 405, then rotate the fixed frame 401 to drive the card block 406 to rotate, and turn the card block 406 into the limit groove 407 to limit the position of the card block 406, and then install the fixed frame 401 and the dustproof net 402 to prevent external debris from entering the protective frame 5, protect the outer shell 1, prevent dust from entering the outer shell 1, and at the same time protect the fan 6 to prevent debris from interfering with the operation of the fan 6.

[0031] When in use, first connect the water inlet pipe 16 to the external pipe, then connect the drain pipe 18 to the recovery box, then turn on the water pump 14 to draw external cold water into the water supply pipe 15, so that the cold water enters the diversion pipe 11, and then enters the two cold water pipes 7 from the diversion pipe 11, so that the cold water circulates in the cold water pipes 7. During the flow of the cold water, the heat on the heat sink 9 is absorbed, and then the heat in the shell 1 is absorbed. Finally, the cold water flows out from the drain pipe 18, taking the heat out, achieving a heat dissipation effect. Then turn on the fan 6 to speed up the air circulation inside the shell 1, dissipate the heat in the shell 1, and fully dissipate the heat of the shell 1, further improving the heat dissipation effect.

[0032] The dustproof net 402 protects the outer shell 1 to prevent dust from entering the outer shell 1, and at the same time protects the fan 6 to prevent debris from interfering with the operation of the fan 6. When cleaning the dustproof net 402, manually move the two moving blocks 410 to rotate the fixed frame 401 and the dustproof net 402, driving the multiple card blocks 406 to rotate. When it is observed that the first marking block 408 is aligned with the second marking block 409, the card block 406 is transferred from the limit slot 407 to the card slot 405, and then the fixed frame 401 is pulled outward to pull the card block 406 out of the card slot 405, and then the fixed frame 401 and the dustproof net 402 are taken out to facilitate cleaning the dustproof net 402.

[0033] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A brushless motor housing heat dissipation structure, comprising a housing (1), characterized in that: One side of the shell (1) is connected to a cover plate (2) by bolts, and a through hole (3) is provided in the middle of one side of the cover plate (2). Four connecting seats (8) are connected to the front and side of the cover plate (2), and each four connecting seats (8) located on one side form a group. A cold water pipe (7) is provided between two groups of connecting seats (8). A heat sink (9) is provided in the middle of the front and the middle of the back of the shell (1), and the cold water pipe (7) is attached to the heat sink (9). A vent (10) is provided on the other side of the shell (1), and a protective frame (5) is provided on the other side of the shell (1). A fan (6) is provided inside the protective frame (5), and a dustproof mechanism (4) is provided on one side of the protective frame (5).

2. The heat dissipation structure of a brushless motor housing according to claim 1, characterized in that: Both sides of the bottom end of the shell (1) are connected to support seats (12), the bottom ends of the two support seats (12) are connected to support plates (13), a water pump (14) is provided on one side of the top end of the support plate (13), one end of the two cold water pipes (7) is connected to a diversion pipe (11), the water outlet of the water pump (14) is connected to a water supply pipe (15), one end of the water supply pipe (15) is connected to the middle part of the top end of the diversion pipe (11), and the water inlet of the water pump (14) is connected to a water inlet pipe (16).

3. The heat dissipation structure of a brushless motor housing according to claim 1, characterized in that: The other ends of the two cold water pipes (7) are connected to a collecting pipe (17), and the middle of one side of the collecting pipe (17) is connected to a drainage pipe (18).

4. The heat dissipation structure of a brushless motor housing according to claim 1, characterized in that: The middle of the front side and both sides of the back side of the protection frame (5) are connected to mounting frames (19), and the two mounting frames (19) are respectively connected to one side of the front side and one side of the back side of the housing (1) by bolts.

5. The heat dissipation structure of a brushless motor housing according to claim 1, characterized in that: The other side of the protective frame (5) is connected to a first connecting ring (20), and the other side of the housing (1) is provided with a first connecting groove (21), and the first connecting ring (20) is plugged into the first connecting groove (21).

6. The heat dissipation structure of a brushless motor housing according to claim 1, characterized in that: The dustproof mechanism (4) comprises a fixed frame (401), the fixed frame (401) is snap-connected to one side of the protective frame (5), a dustproof net (402) is provided inside the fixed frame (401), a second connecting ring (403) is connected to one side of the fixed frame (401), a second connecting groove (404) is provided on one side of the protective frame (5), and the second connecting ring (403) is plugged into the second connecting groove (404).

7. The heat dissipation structure of a brushless motor housing according to claim 6, characterized in that: A card slot (405) is provided on one side of the protective frame (5), the card slot (405) is communicated with the second connecting slot (404), a card block (406) is connected to the inner side of the second connecting ring (403), the card block (406) is plugged into the card slot (405), a limiting slot (407) is provided on one side of the card slot (405), and the card block (406) is slidably connected to the inside of the limiting slot (407).

8. The heat dissipation structure of a brushless motor housing according to claim 6, characterized in that: The outer side of the protective frame (5) is connected to a first marking block (408), the outer side of the fixed frame (401) is connected to a second marking block (409) corresponding to the first marking block (408), and one side of the fixed frame (401) is connected to two toggle blocks (410).

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