Motor system with cooling device

Abstract

The utility model discloses a motor system with a cooling device. The motor system comprises a motor body; the controller comprises a controller shell and a circuit device; the cooling device comprises a water-cooled motor shell and a water-cooled electric control shell, the water-cooled motor shell is arranged on the motor body, the outer wall of the water-cooled motor shell is provided with at least one mounting surface, the mounting surface is detachably connected with the water-cooled electric control shell and at least partially attached to the water-cooled electric control shell, and the water-cooled motor shell is provided with two butt-joint ports communicated with the motor cooling cavity; the water-cooling electric control shell is provided with a water inlet connector and a water outlet connector which are communicated with the electric control cooling cavity, and the water outlet connector is communicated with one of the two butt joint openings so that the motor cooling cavity can be communicated with the electric control cooling cavity. According to the motor system with the cooling device, the motor body and the controller are cooled through the cooling device, the motor system is suitable for continuous heat dissipation of the motor, the working stability of the motor is improved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a motor system with a cooling device. Background Art

[0002] The main function of the motor is to generate driving torque. As a power source for electrical appliances or various machines, it is widely used in industrial electromechanical equipment, transportation equipment, household appliances and other fields. In the prior art, a motor controller is usually provided on the motor housing. As an important component of the motor, the motor controller is usually used to control the motor to work in a set direction, speed, angle, and response time. When the motor is working, both the motor and the motor controller will generate heat. If the generated heat cannot be dissipated in time, the temperature of the motor will continue to rise, which will reduce the efficiency of the motor. In addition, the heat generated by the motor when working is transferred to the motor controller, which will also cause the heat dissipation effect of the electronic devices inside the motor controller to be poor. After a long period of operation, control failure is likely to occur, which poses a major safety hazard and reduces the service life. Utility Model Content

[0003] The purpose of the utility model is to solve the deficiencies of the above-mentioned technology and to design a motor system with a cooling device, which dissipates heat to the motor body and the controller through the cooling device, is suitable for continuous heat dissipation of the motor, is beneficial to improving the working stability of the motor and prolonging its service life.

[0004] In order to solve the above technical problems, the technical solution of the utility model is: a motor system with a cooling device, comprising:

[0005] Motor body;

[0006] A controller for controlling the motor body, the controller comprising a controller housing and a circuit device detachably connected to an inner cavity of the controller housing;

[0007] A cooling device, the cooling device comprising a water-cooled motor housing and a water-cooled electric control housing, the water-cooled motor housing being arranged on the motor body, and the outer wall of the water-cooled motor housing having at least one mounting surface, the mounting surface being detachably connected to the water-cooled electric control housing and at least partially in contact with the water-cooled electric control housing, the interior of the water-cooled motor housing being hollow to form a motor cooling cavity, the water-cooled motor housing being provided with two docking ports in communication with the motor cooling cavity;

[0008] The interior of the water-cooled electric control shell is hollow to form an electric control cooling cavity. The water-cooled electric control shell is provided with a water inlet interface and a water outlet interface connected to the electric control cooling cavity. The water outlet interface is connected to one of the two docking interfaces to connect the motor cooling cavity and the electric control cooling cavity.

[0009] Preferably, the water-cooled electric control shell includes a shell frame and a closing plate, the inner wall of the shell frame cooperates with the inner side wall of the closing plate to form the electric control cooling chamber, the shell frame is adapted to the controller shell, and the water inlet interface and the water outlet interface are both arranged on the shell frame.

[0010] Preferably, the shell frame is fixedly connected to the controller shell, the closing plate is detachably connected to the edge portion of the side opening of the shell frame to cover the inner cavity of the shell frame, and an interference fit is formed between the closing plate and the edge portion of the side opening of the shell frame.

[0011] Preferably, the shell frame is detachably connected to the controller shell, the closing plate is integrally formed with the shell frame, the edge portion of the side opening of the shell frame is detachably connected to the controller shell, and an interference fit is formed between the edge portion of the side opening of the shell frame and the edge portion of the side opening of the shell frame.

[0012] Preferably, a first connecting part is convexly formed around the inner cavity of the controller shell, and the shell frame is detachably connected to a first fastener relative to the position of the first connecting part. The cavity of the first connecting part is threadedly connected to the connecting end of the first fastener, and the cavity of the first connecting part covers the connecting end of the first fastener.

[0013] Preferably, the circuit device is provided with a plurality of pin members, each of the pin members is provided with a pin portion connected to the circuit device, and each of the pin portions supports the circuit device to form a gap between it and the inner cavity of the controller housing.

[0014] Preferably, a second connecting portion is convexly formed around the outer side wall of the controller housing, each of the pin members corresponds to a position of each of the second connecting portions, the pin members are detachably connected to a second fastener, the cavity of the second connecting portion is threadedly connected to the connecting end of the second fastener, and the cavity of the second connecting portion covers the connecting end of the second fastener.

[0015] Preferably, a protective cover is detachably connected to an edge portion of the side opening of the controller housing to cover the inner cavity of the controller housing.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] The utility model provides a motor system with a cooling device, wherein a water-cooled motor shell is fitted and connected with a water-cooled electric control shell through a mounting surface, a water inlet interface of the water-cooled electric control shell is communicated with an external water pump, and a water outlet interface of the water-cooled electric control shell is communicated with a docking interface of the water-cooled motor shell, so that the motor cooling chamber is communicated with the electric control cooling chamber. When the motor body is working, the coolant flows into the electric control cooling chamber through the water inlet interface to perform heat exchange with the heat generated by the circuit components. The mounting surface is fitted with the water-cooled electric control shell so as to take away the heat transferred to the corresponding mounting surface when the motor body is working. In this process, the coolant in the electric control cooling chamber flows into the motor cooling chamber through a docking interface connected with the water outlet interface. After the heat exchange is completed, the coolant in the motor cooling chamber flows out from another docking interface, so that the motor body is cooled as a whole and the heat dissipation effect is improved. The motor dissipates heat for the motor body and the controller through the cooling device, which is suitable for continuous heat dissipation of the motor, is beneficial to improving the working stability of the motor, and prolongs the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the motor in the first embodiment. Figure 1 ;

[0019] Figure 2 The structure of the motor in the first embodiment is shown in FIG. Figure 2 ;

[0020] Figure 3 is a cross-sectional view of the motor in Embodiment 1;

[0021] Figure 4 is a cross-sectional view of the controller housing and the water-cooled electric control housing in the first embodiment;

[0022] Figure 5 It is a schematic diagram of the structure of the controller housing and the water-cooled electric control housing in the second embodiment;

[0023] Figure 6 It is a cross-sectional view of the controller housing and the water-cooled electric control housing in the second embodiment.

[0024] In the figure: 1. Motor body; 2. Controller housing; 201. First connection part; 202. Second connection part; 3. Circuit device; 301. Pin member; 302. Pin part; 4. Water-cooled motor housing; 401. Mounting surface; 402. Motor cooling cavity; 403. Docking port; 5. Water-cooled electric control housing; 51. Housing frame; 52. Closing plate; 501. Electric control cooling cavity; 502. Water inlet port; 503. Water outlet port; 504. Connector; 6. First fastener; 7. Second fastener; 8. Protective cover. DETAILED DESCRIPTION

[0025] The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings.

[0026] Embodiment 1:

[0027] refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 A motor system with a cooling device includes a motor body 1, a controller for controlling the motor body 1, and a cooling device. The controller includes a controller housing 2 and a circuit device 3. The circuit device 3 is detachably connected to the inner cavity of the controller housing 2. The cooling device includes a water-cooled motor housing 4 and a water-cooled electric control housing 5. The water-cooled motor housing 4 is arranged on the motor body 1 to cover the outer wall of the motor body 1. The outer wall of the water-cooled motor housing 4 has two symmetrically arranged mounting surfaces 401. The water-cooled motor housing 4 is provided with two connecting members 504. The connecting members 504 are fixedly connected to the corresponding mounting surfaces 401 by bolts. The water-cooled motor housing 4 conflicts with the mounting surface 401 to achieve a fitting connection between the mounting surface 401 and the water-cooled motor housing 4.

[0028] The water-cooled electric control shell 5 includes a shell frame 51 and a closing plate 52, and a connecting member 504 is fixedly connected to the outer wall of the shell frame 51. The shell frame 51 is adapted to the controller shell 2, and the shell frame 51 is fixedly connected to the opposite side of the controller shell 2, so that the shell frame 51 and the controller shell 2 are an integrated structure, and the side of the shell frame 51 away from the controller shell 2 has a side opening, and the closing plate 52 is fixedly connected to the edge of the side opening of the shell frame 51 by bolts, and the closing plate 52 covers the inner cavity of the shell frame 51, so that the inner wall of the shell frame 51 cooperates with the inner side wall of the closing plate 52 to form an electric control cooling cavity 501, and an interference fit is formed between the closing plate 52 and the edge of the side opening of the shell frame 51 to ensure the sealing of the electric control cooling cavity 501; the side of the controller shell 2 away from the shell frame 51 has a side opening, and the edge of the side opening of the controller is fixedly connected with a protective cover 8 by bolts, and the protective cover 8 covers the inner cavity of the controller shell 2.

[0029] The interior of the water-cooled motor housing 4 is hollow to form a motor cooling cavity 402. The water-cooled motor housing 4 is provided with two docking ports 403 connected to the motor cooling cavity 402. The water-cooled electric control housing 5 is provided with a water inlet port 502 and a water outlet port 503 connected to the electric control cooling cavity 501. The water inlet port 502 and the water outlet port 503 are integrally formed on the outer wall of the housing frame 51.

[0030] When the motor is in use, the water-cooled motor housing 4 is connected to the water-cooled electric control housing 5 through the mounting surface 401, the water inlet interface 502 of the water-cooled electric control housing 5 is connected to the external water pump, and the water outlet interface 503 of the water-cooled electric control housing 5 is connected to a docking interface 403 of the water-cooled motor housing 4, so that the motor cooling cavity 402 is connected to the electric control cooling cavity 501. When the motor body 1 is working, the coolant flows into the electric control cooling cavity 501 through the water inlet interface 502 to perform heat exchange on the heat generated by the circuit device 3. The mounting surface 401 is in contact with the water-cooled electric control housing 5 so as to take away the motor When the body 1 is working, the heat is transferred to the corresponding mounting surface 401. In this process, the coolant in the electric control cooling cavity 501 flows into the motor cooling cavity 402 through a docking port 403 connected to the water outlet port 503. After the coolant in the motor cooling cavity 402 completes the heat exchange, it flows out from another docking port 403, so that the motor body 1 is cooled as a whole, and the heat dissipation effect is improved. The motor dissipates heat from the motor body 1 and the controller through the cooling device, which is suitable for continuous heat dissipation of the motor, which is beneficial to improving the stability of the motor and extending its service life. The water-cooled motor housing 4 and the water-cooled electric control housing 5 use the same set of water cooling. Compared with traditional air cooling, the motor has a compact and reasonable structure, a small overall volume, and reduces working noise.

[0031] The circuit device 3 is provided with a plurality of pin members 301, each of which is provided with a pin portion 302 connected to the circuit device 3. A second connecting portion 202 is convexly formed around the outer wall of the controller housing 2. The number of the second connecting portions 202 is set to be a plurality, and each pin member 301 corresponds to the position of each second connecting portion 202 respectively. The pin member 301 is detachably connected with a second fastener 7, and the second fastener 7 is a bolt structure. The cavity of the second connecting portion 202 is threadedly connected to the connecting end of the second fastener 7. Each pin portion 302 supports the circuit device 3 so that a gap is formed between it and the inner cavity of the controller housing 2, which is beneficial to the heat dissipation of the circuit device 3 during operation. The cavity of the second connecting portion 202 covers the connecting end of the second fastener 7 to separate the inner cavity of the controller housing 2 from the electrically controlled cooling cavity 501, so as to prevent the coolant in the electrically controlled cooling cavity 501 from leaking into the inner cavity of the controller housing 2.

[0032] Embodiment 2:

[0033] refer to Figure 5 , Figure 6Different from the first embodiment, the housing frame 51 is detachably connected to the controller housing 2, the closed plate 52 is integrally formed with the housing frame 51, the side of the housing frame 51 away from the closed plate 52 has a side opening, the inner cavity of the controller housing 2 is convexly formed with a first connecting portion 201, the housing frame 51 is detachably connected to the first fastener 6 relative to the position of the first connecting portion 201, the first fastener 6 is a bolt structure, the cavity of the first connecting portion 201 is threadedly connected to the connecting end of the first fastener 6, so that the edge portion of the side opening of the housing frame 51 is detachably connected to the controller housing 2, and the cavity of the first connecting portion 201 covers the connecting end of the first fastener 6 to separate the inner cavity of the controller housing 2 from the electric control cooling cavity 501, so as to prevent the coolant in the electric control cooling cavity 501 from leaking into the inner cavity of the controller housing 2. An interference fit is formed between the edge portion of the side opening of the housing frame 51 and the edge portion of the side opening of the housing frame 51 to ensure the sealing of the electric control cooling cavity 501.

[0034] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

[0035] Of course, the above are only typical examples of the present invention. In addition, the present invention may have many other specific implementations. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. A motor system with a cooling device, characterized in that: include: Motor body (1); A controller for controlling a motor body (1), the controller comprising a controller housing (2) and a circuit device (3) detachably connected to an inner cavity of the controller housing (2); A cooling device, the cooling device comprising a water-cooled motor housing (4) and a water-cooled electric control housing (5), the water-cooled motor housing (4) being arranged on the motor body (1), and the outer wall of the water-cooled motor housing (4) having at least one mounting surface (401), the mounting surface (401) being detachably connected to and at least partially in contact with the water-cooled electric control housing (5), the interior of the water-cooled motor housing (4) being hollow to form a motor cooling cavity (402), and the water-cooled motor housing (4) being provided with two docking ports (403) communicating with the motor cooling cavity (402); The interior of the water-cooled electric control housing (5) is hollow to form an electric control cooling cavity (501); the water-cooled electric control housing (5) is provided with a water inlet interface (502) and a water outlet interface (503) which are in communication with the electric control cooling cavity (501); the water outlet interface (503) is in communication with one of the two docking interfaces (403) so that the motor cooling cavity (402) and the electric control cooling cavity (501) are in communication.

2. The motor system with a cooling device according to claim 1, characterized in that: The water-cooled electric control housing (5) comprises a housing frame (51) and a closing plate (52); the housing frame (51) is detachably connected to the water-cooled motor housing (4); the inner wall of the housing frame (51) cooperates with the inner side wall of the closing plate (52) to form the electric control cooling cavity (501); the housing frame (51) is compatible with the controller housing (2), and the water inlet interface (502) and the water outlet interface (503) are both arranged on the housing frame (51).

3. The motor system with a cooling device according to claim 2, characterized in that: The housing frame (51) is fixedly connected to the controller housing (2), and the closing plate (52) is detachably connected to the edge portion of the side opening of the housing frame (51) to cover the inner cavity of the housing frame (51), and an interference fit is formed between the closing plate (52) and the edge portion of the side opening of the housing frame (51).

4. The motor system with a cooling device according to claim 2, characterized in that: The housing frame (51) is detachably connected to the controller housing (2); the closing plate (52) is integrally formed with the housing frame (51); an edge portion of a side opening of the housing frame (51) is detachably connected to the controller housing (2); and an interference fit is formed between an edge portion of the side opening of the housing frame (51) and an edge portion of the side opening of the housing frame (51).

5. The motor system with a cooling device according to claim 4, characterized in that: A first connection portion (201) is formed in a convex manner around the inner cavity of the controller housing (2); a first fastener (6) is detachably connected to the housing frame (51) relative to the first connection portion (201); the cavity of the first connection portion (201) is threadedly connected to the connection end of the first fastener (6), and the cavity of the first connection portion (201) covers the connection end of the first fastener (6).

6. The motor system with a cooling device according to claim 1, characterized in that: The circuit device (3) is provided with a plurality of pin members (301), each of the pin members (301) is provided with a pin portion (302) connected to the circuit device (3), and each of the pin portions (302) supports the circuit device (3) so that a gap is formed between the circuit device (3) and the inner cavity of the controller housing (2).

7. The motor system with a cooling device according to claim 6, characterized in that: A second connection part (202) is formed protrudingly around the outer wall of the controller housing (2), and each of the pin members (301) corresponds to the position of each of the second connection parts (202). The pin members (301) are detachably connected to a second fastener (7), and the cavity of the second connection part (202) is threadedly connected to the connecting end of the second fastener (7), and the cavity of the second connection part (202) covers the connecting end of the second fastener (7).

8. The motor system with a cooling device according to claim 1, characterized in that: A protective cover (8) is detachably connected to the edge portion of the side opening of the controller housing (2) to cover the inner cavity of the controller housing (2).

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