A motor base

Abstract

The present invention relates to the field of automobile technology, and in particular to a motor base. The motor base provided in the present application includes: a cooling mechanism, which is provided with a cooling channel for passing cooling water, the cooling channel is arranged around a first mounting cavity, and the cooling channel divides the interior of the cooling mechanism into a first part and a second part; a heat dissipation mechanism, which includes an exhaust impeller and a hydrodynamic impeller arranged side by side, a first magnetic sheet is provided on the side of the exhaust impeller opposite to the hydrodynamic impeller, and a second magnetic sheet is provided on the side of the hydrodynamic impeller opposite to the exhaust impeller, and the first magnetic sheet and the second magnetic sheet have opposite magnetic properties on the opposite sides. When the cooling water flows in the cooling channel, it will impact the hydrodynamic impeller, thereby causing the hydrodynamic impeller to rotate. Under the magnetic adsorption between the first magnetic sheet and the second magnetic sheet, the exhaust impeller also rotates. Therefore, the condensed water between the inner side of the motor base and the motor housing will be dried under the action of the exhaust impeller, avoiding a large amount of condensed water from adhering to and damaging the motor housing.

Description

Technical Field

[0001] The invention relates to the technical field of automobiles, and in particular to a motor base. Background Art

[0002] The driving motor of a new energy vehicle is equivalent to the engine of a fuel vehicle. It is the heart of the vehicle, a key component of an electric vehicle, and an important factor in determining the quality of an electric vehicle. The quality of its working performance directly affects the quality, speed, mileage, and service life of the vehicle. However, its service life is not only related to the quality of mechanical manufacturing, but more importantly, it is closely related to the speed requirements and the ambient temperature of use. Therefore, a cooling structure is generally set on the motor base to cool the motor, that is, a water channel is set in the motor base to allow cooling water to flow in. However, since the motor base is in direct contact with the motor at a higher temperature, while the cooling water temperature is lower, in the long run, a large amount of condensed water will remain in the gap between the motor housing and the motor base due to the temperature difference. In severe cases, it will cause corrosion to the motor housing and even affect the service life of the motor. Summary of the invention

[0003] The present application provides a motor base, which solves the technical problem in the prior art that after long-term use of the motor, a large amount of condensed water will remain in the gap between the motor housing and the heat dissipation shield, which may cause corrosion to the motor housing in severe cases.

[0004] The present application provides a motor base, comprising:

[0005] A cooling mechanism, wherein a first mounting cavity for assembling the motor is provided therein, a cooling channel for passing cooling water is provided inside the cooling mechanism, the cooling channel is arranged around the first mounting cavity, the cooling channel divides the interior of the cooling mechanism into a first part and a second part, the first part is arranged inside the cooling channel, the second part is arranged outside the cooling channel, and the second part is provided with a second mounting cavity communicating with the outside;

[0006] The heat dissipation mechanism includes an exhaust impeller and a hydrodynamic impeller arranged side by side, the hydrodynamic impeller is fixedly arranged in the cooling channel, the exhaust impeller is fixedly arranged in the second mounting cavity, a first magnetic sheet is provided on the side of the exhaust impeller opposite to the hydrodynamic impeller, and a second magnetic sheet is provided on the side of the hydrodynamic impeller opposite to the exhaust impeller, and the magnetic properties of the first magnetic sheet and the second magnetic sheet facing each other are opposite.

[0007] In some embodiments, a heat dissipation channel is provided in the cooling channel, and the heat dissipation channel is communicated with the first installation cavity.

[0008] In some embodiments, a plurality of guide baffles are arranged at intervals in the cooling channel, the length direction of the guide baffles is arranged along the central axis direction of the first installation cavity, and each of the guide baffles is provided with a water guide port, the water guide ports on adjacent guide baffles are arranged in a staggered manner, the hydrodynamic impeller is correspondingly provided with two adjacent guide baffles, and the hydrodynamic impeller is arranged between the corresponding two adjacent guide baffles.

[0009] In some embodiments, one or both of the two adjacent guide baffles corresponding to the hydrodynamic impeller are provided with a guide platform, and the guide platform is arranged on the side of the guide baffle opposite to the hydrodynamic impeller. A guide slope is provided on the guide platform, and the inclination direction of the guide slope is arranged along the flow direction of cooling water, and the end of the guide slope is arranged toward the hydrodynamic impeller.

[0010] In some embodiments, a plurality of bosses are spaced apart inside the second portion of the cooling mechanism, mounting grooves are formed between adjacent bosses, and a mica heating plate is disposed in each of the mounting grooves.

[0011] In some embodiments, a thermally conductive silicone pad is provided on one side of each boss opposite to the first mounting cavity, and the motor housing is closely disposed against the thermally conductive silicone pad.

[0012] In some embodiments,

[0013] The cooling mechanism comprises a first shell and a second shell, the first shell and the second shell both have a first end and a second end opposite to each other, a cooling channel is provided in the first shell and the second shell, and a heat dissipation mechanism is provided in the first shell and the second shell;

[0014] The motor base also includes a base and a clamping mechanism, the bottoms of the first shell and the second shell are hinged on the base, and the clamping mechanism is used to keep the cooling mechanism in a state where the first end of the first shell is connected to the first end of the second shell, and the second end of the first shell is connected to the second end of the second shell, so that the inner sides of the first shell and the second shell jointly form the first installation cavity.

[0015] In some embodiments, the clamping mechanism includes a servo motor, a screw rod and a clamping member. The base is a frame structure, the servo motor is arranged in the base, one end of the screw rod is connected to the driving end of the servo motor, and the other end is passed through the top of the base and screwed in the clamping member. The clamping member is also passed through the top of the base, and the clamping member can be operably abutted against the first shell and the second shell at the same time, so that the first end of the first shell is connected to the first end of the second shell, and the second end of the first shell is connected to the second end of the second shell.

[0016] In some embodiments, the clamping member includes a base plate and two clamping arms disposed opposite to the base plate, the base plate is screwed onto the screw rod, and the two clamping arms are used to abut against the first shell and the second shell respectively.

[0017] In some embodiments, the first shell and the second shell are both semi-ring structures.

[0018] The beneficial effects of this application are as follows:

[0019] The motor base provided in the present application, when in use, is assembled in the first mounting cavity, and cooling water is passed into the cooling channel to cool the motor. Since the hydrodynamic impeller is arranged in the cooling channel, the cooling water will impact the hydrodynamic impeller when flowing in the cooling channel, thereby causing the hydrodynamic impeller to rotate. At the same time, under the magnetic adsorption between the first magnetic sheet and the second magnetic sheet, the exhaust impeller also rotates accordingly, thereby achieving exhaust heat dissipation without using external electricity, further improving the heat dissipation effect of the motor. At the same time, the condensed water between the inner side of the motor base and the motor casing will be dried under the action of the exhaust impeller, avoiding the adhesion of a large amount of condensed water and causing damage to the motor casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention.

[0021] Figure 1 A cross-sectional view of the motor base provided in this embodiment in use;

[0022] Figure 2 for Figure 1 A partial enlarged view of middle A;

[0023] Figure 3 A cross-sectional view of the motor base provided in the present embodiment in a non-use state;

[0024] Figure 4 for Figure 1Schematic diagram of the distribution of the middle guide baffle in the cooling channel;

[0025] Figure 5 for Figure 4 A partial enlarged view of B in the middle;

[0026] Figure 6 for Figure 1 Schematic diagram of the local structure of the first part.

[0027] Description of reference numerals:

[0028] 100-cooling mechanism, 110-first installation cavity, 120-cooling flow channel, 121-water inlet pipe, 122-drain pipe, 123-flow guide baffle, 1231-water guide port, 124-heat dissipation channel, 125-guide platform, 1251-guide slope, 126-fixed block, 130-first part, 131-boss, 1311-thermal conductive silicone pad, 132-installation groove, 133-mica heating plate, 134-temperature sensor, 140-second part, 141-second installation cavity, 1411-fixed rod, 150-first shell, 160-second shell, 200-heat dissipation mechanism, 210-exhaust impeller, 211-first magnetic sheet, 220-hydrodynamic impeller, 221- The second magnetic sheet, 300 - base, 400 - clamping mechanism, 410 - servo motor, 420 - lead screw, 430 - clamping member, 431 - bottom plate, 432 - clamping arm. DETAILED DESCRIPTION

[0029] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0030] It should be noted that all directional indications in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0031] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0033] In the related art, a water channel is set in the motor base to pass cooling water to cool the motor. However, since the motor base is in direct contact with the motor, the temperature is relatively high, while the temperature of the cooling water is relatively low. Over time, a large amount of condensed water will remain in the gap between the motor casing and the motor base due to the temperature difference, which may cause corrosion to the motor casing in severe cases.

[0034] Based on this, Figure 1 A cross-sectional view of the motor base provided in this embodiment in use, Figure 2 for Figure 1 A partial enlarged view of the middle A, combined with Figure 1 and Figure 2 An embodiment of the present application provides a motor base, including a cooling mechanism 100 and a heat dissipation mechanism 200. The heat dissipation mechanism 200 is arranged on the cooling mechanism 100. The cooling mechanism 100 is used to install the motor and directly cool the motor. The heat dissipation mechanism 200 is used to assist in cooling and further dissipate the heat of the generator to enhance the heat dissipation effect of the motor.

[0035] The cooling mechanism 100 is provided with a first installation cavity 110 for assembling the motor, and the motor housing is closely arranged with the inner wall of the first installation cavity 110. Since the motor housing is circular, the first installation cavity 110 is also circular. The cooling mechanism 100 is provided with a cooling channel 120 for passing cooling water. The cooling channel 120 is arranged around the first installation cavity 110, so that the cooling channel 120 is arranged around the motor, so that the heat emitted by the motor can be fully heat-exchanged with the cooling water in the cooling channel 120. The cooling channel 120 divides the interior of the cooling mechanism 100 into a first part 130 and a second part 140. The first part 130 is arranged inside the cooling channel 120, and the second part 140 is arranged outside the cooling channel 120. The second part 140 is provided with a second installation cavity 141 connected to the outside.

[0036] It should be noted that, in this embodiment, “×× inner side” refers to the side of the ×× component close to the motor, and “×× outer side” refers to the side of the ×× component away from the motor.

[0037] The heat dissipation mechanism 200 includes an exhaust impeller 210 and a hydrodynamic impeller 220 arranged side by side. The hydrodynamic impeller 220 is fixedly arranged in the cooling channel 120, and the exhaust impeller 210 is fixedly arranged in the second mounting cavity 141. A first magnetic sheet 211 is provided on the side of the exhaust impeller 210 opposite to the hydrodynamic impeller 220, and a second magnetic sheet 221 is provided on the side of the hydrodynamic impeller 220 opposite to the exhaust impeller 210. The first magnetic sheet 211 and the second magnetic sheet 221 are arranged opposite to each other, and the magnetic properties of the facing surfaces of the first magnetic sheet 211 and the second magnetic sheet 221 are opposite, so that a magnetic adsorption effect can be formed between the first magnetic sheet 211 and the second magnetic sheet 221.

[0038] The motor base provided in the embodiment of the present application, when in use, is assembled in the first installation cavity 110 of the motor, and cooling water is passed into the cooling channel 120. The cooling water can take away the heat of the motor during the flow process, thereby cooling the motor. Since the hydrodynamic impeller 220 is arranged in the cooling channel 120, the cooling water will impact the hydrodynamic impeller 220 when flowing in the cooling channel 120, thereby causing the hydrodynamic impeller 220 to rotate. At the same time, under the magnetic adsorption effect between the first magnetic sheet 211 and the second magnetic sheet 221, the exhaust impeller 210 also rotates accordingly. Since the exhaust impeller 210 is arranged in the second installation cavity 141, and the second installation cavity 141 is connected to the outside, it is possible to achieve exhaust heat dissipation without using external electricity, and dissipate the heat to the outside, thereby further improving the heat dissipation effect of the motor. At the same time, the condensed water between the inner side of the motor base and the motor casing will be dried under the action of the exhaust impeller 210, thereby avoiding the adhesion of a large amount of condensed water and damaging the motor casing, thereby killing two birds with one stone.

[0039] Figure 3 The cross-sectional view of the motor base provided in this embodiment in a non-use state, combined with Figure 1 and Figure 3The cooling mechanism 100 includes a first shell 150 and a second shell 160. The first shell 150 and the second shell 160 both have opposite first and second ends. When the first end of the first shell 150 is connected to the first end of the second shell 160 and the second end of the first shell 150 is connected to the second end of the second shell 160, the inner sides of the first shell 150 and the second shell 160 jointly form a first installation cavity 110. That is, the cooling mechanism 100 is composed of two parts, and a separate cooling channel 120 is provided in the first shell 150 and the second shell 160, and the first shell 150 is divided into a first part 130 and a second part 140 by the cooling channel 120, and the second shell 160 is also divided into a first part 130 and a second part 140 by the cooling channel 120. The first shell 150 and the second shell 160 are both provided with a heat dissipation mechanism 200. The number of the heat dissipation mechanism 200 is not limited in this embodiment, and can be one, two or more. Of course, for each heat dissipation mechanism 200, a corresponding number of second installation cavities 141 need to be opened on the first shell 150 or the second shell 160.

[0040] Figure 4 for Figure 1 Schematic diagram of the distribution of the middle guide baffle in the cooling channel, combined with Figure 4 The cooling mechanism 100 is provided with a water inlet pipe 121 and a drain pipe 122 respectively connected to the cooling channel 120. The water inlet pipe 121 is used to pass cooling water into the cooling channel 120, and the drain pipe 122 is used to discharge cooling water from the cooling channel 120. Of course, the first shell 150 and the second shell 160 are both provided with a water inlet pipe 121 and a drain pipe 122 connected to the cooling channel 120.

[0041] As can be seen from the foregoing, the first installation cavity 110 is circular, therefore, the inner sides of the first shell 150 and the second shell 160 need to be circular after being assembled. To facilitate docking, the inner sides of the first shell 150 and the second shell 160 are both semi-circular arc-shaped. Preferably, the first shell 150 and the second shell 160 are both semi-ring structures.

[0042] Furthermore, the motor base also includes a base 300 and a clamping mechanism 400. The bottoms of the first shell 150 and the second shell 160 are both hinged on the base 300, that is, the first shell 150 and the second shell 160 can be rotated around the hinge point, so that the first end of the first shell 150 and the first end of the second shell 160, and the second end of the first shell 150 and the second end of the second shell 160 can be separated or connected. When assembling the motor, the first end of the first shell 150 and the first end of the second shell 160, and the second end of the first shell 150 and the second end of the second shell 160 are connected to form a first installation cavity 110 matching the motor housing, and the motor is assembled. When the motor needs to be removed, the first shell 150 and the second shell 160 are rotated to separate the first end of the first shell 150 and the first end of the second shell 160, and the second end of the first shell 150 and the second end of the second shell 160, and then the motor can be removed.

[0043] When the motor is assembled, in order to maintain the state that the first end of the first shell 150 is connected to the first end of the second shell 160 and the second end of the first shell 150 is connected to the second end of the second shell 160, the motor base also includes a clamping mechanism 400. Specifically, the clamping mechanism 400 includes a servo motor 410, a screw rod 420 and a clamping member 430. The base 300 is a frame structure. The servo motor 410 is arranged in the base 300. One end of the screw rod 420 is connected to the driving end of the servo motor 410, and the other end is passed through the top of the base 300 and screwed in the clamping member 430. The clamping member 430 is also passed through the top of the base 300, and the clamping member 430 is operably abutted against the first shell 150 and the second shell 160 at the same time, so that the first end of the first shell 150 is connected to the first end of the second shell 160 and the second end of the first shell 150 is connected to the second end of the second shell 160.

[0044] When the first shell 150 and the second shell 160 are connected, the servo motor 410 drives the lead screw to rotate, and the clamping member 430 can move up and down along the lead screw 420. When the clamping member 430 moves upward until it abuts against the first shell 150 and the second shell 160, the first shell 150 and the second shell 160 cannot rotate any more under the limit of the clamping member 430, so that the first shell 150 and the second shell 160 remain in a connected state. Figure 1 When the motor needs to be removed, the clamping member 430 moves downward, that is, the first shell 150 and the second shell 160 are released, and the first shell 150 and the second shell 160 are released to rotate freely, such as Figure 2 shown.

[0045] Furthermore, the clamping member 430 includes a bottom plate 431 and two clamping arms 432 arranged on the bottom plate 431 to form a "concave" shape, the bottom plate 431 is screwed on the screw rod 420, and the two clamping arms 432 are respectively used to limit the first shell 150 and the second shell 160. Preferably, the tops of the two clamping arms 432 are provided with inclined surfaces to better adapt to the shapes of the first shell 150 and the second shell 160, so as to avoid abrasion of the first shell 150 and the second shell 160 caused by being in abutment for a long time.

[0046] Figure 5 for Figure 4 A partial enlarged view of B in the middle, combined with Figure 4 and Figure 5 A plurality of guide baffles 123 are arranged at intervals in the cooling channel 120. The length direction of the guide baffles 123 is arranged along the central axis direction of the first installation cavity 110, and each guide baffle 123 is provided with a water guide port 1231. The water guide port 1231 can be arranged at the end of the guide baffle 123. The water guide ports 1231 on adjacent guide baffles 123 are arranged in a staggered manner so that the cooling water flows along each guide baffle 123 layer by layer ( Figure 4 The direction of the middle arrow is the direction of cooling water flow), which can slow down the flow rate of cooling water and allow the cooling water to fully exchange heat with the motor.

[0047] A heat dissipation channel 124 is provided in the cooling channel 120, and the heat dissipation channel 124 is communicated with the first installation cavity 110, that is, when the exhaust impeller 210 is working, part of the heat of the motor can be transferred to the first installation cavity 110 through the heat dissipation channel 124, and then dissipated to the outside by the exhaust impeller 210, further improving the heat dissipation efficiency of the exhaust impeller 210. The number of heat dissipation channels 124 can be set arbitrarily, specifically, in this embodiment, two heat dissipation channels 124 are provided, and the two heat dissipation channels 124 are respectively arranged at both ends of the hydrodynamic impeller 220.

[0048] The hydrodynamic impeller 220 is provided with two adjacent guide baffles 123, and the hydrodynamic impeller 220 is provided between the two adjacent guide baffles 123. One or both of the two adjacent guide baffles 123 provided with the hydrodynamic impeller 220 are provided with a guide platform 125, and the guide platform 125 is provided on the side of the guide baffle 123 relative to the hydrodynamic impeller 220. The guide platform 125 is provided with a guide slope 1251, and the inclination direction of the guide slope 1251 is provided along the flow direction of the cooling water, and the end of the guide slope 1251 is provided toward the hydrodynamic impeller 220. Therefore, after the cooling water passes through the guide slope 1251, it has a stronger impact force, forming a high-pressure water flow to act on the hydrodynamic impeller 220, ensuring that the hydrodynamic impeller 220 can rotate at a high speed, so that the exhaust impeller 210 can also rotate at a high speed, thereby enhancing the heat dissipation effect.

[0049] Furthermore, a fixing rod 1411 is provided in the second installation cavity 141, and the axle of the exhaust impeller 210 is set on the fixing rod 1411 through a bearing, thereby achieving the fixation of the exhaust impeller 210. A fixing block 126 is provided on the side of the first part 130 of the cooling mechanism 100 relative to the cooling channel 120, and the hydrodynamic axle is set on the fixing block 126 through a bearing, thereby achieving the fixation of the hydrodynamic impeller 220.

[0050] Figure 6 for Figure 1 The partial structural diagram of the first part 130 is combined with Figure 6 A plurality of bosses 131 are arranged at intervals on the inner side of the first part 130 of the cooling mechanism 100, and mounting grooves 132 are formed between adjacent bosses 131, and a mica heating plate 133 is arranged in each mounting groove 132. In addition, a temperature sensor 134 is arranged on the inner side of the first part 130 of the cooling mechanism 100. Under low temperature conditions, the mica heating plate 133 installed on the inner side of the first part 130 of the cooling mechanism 100 heats the motor, thereby preheating the motor. After the motor reaches the operating temperature, the temperature sensor 134 transmits information to the on-board computer, and the on-board computer controls the motor to start. After the motor runs for a long time and generates heat, cooling water can be passed into the cooling channel 120 to cool the motor.

[0051] Furthermore, a heat-conducting silicone pad 1311 is provided on one side of each boss 131 relative to the first mounting cavity 110, and the motor housing is closely arranged with the heat-conducting silicone pad 1311, thereby enhancing the heat exchange efficiency, and the heat-conducting silicone pad 1311 can avoid damaging the motor housing. Preferably, a notch is provided on the heat-conducting silicone pad 1311 to avoid the situation where air is not circulated in each mounting groove 132.

[0052] The beneficial effects of this application include:

[0053] 1. When the cooling water flows in the cooling channel 120, it will impact the hydrodynamic impeller 220, thereby causing the hydrodynamic impeller 220 to rotate. At the same time, under the magnetic adsorption between the first magnetic sheet 211 and the second magnetic sheet 221, the exhaust impeller 210 also rotates. Since the exhaust impeller 210 is arranged in the second installation cavity 141, and the second installation cavity 141 is connected to the outside, it is possible to achieve exhaust heat dissipation without using external electricity, thereby further improving the heat dissipation effect of the motor. At the same time, the condensed water between the inner side of the motor base and the motor housing will be dried under the action of the exhaust impeller 210, avoiding the adhesion of a large amount of condensed water and causing damage to the motor housing.

[0054] 2. A plurality of guide baffles 123 are arranged at intervals in the cooling channel 120, and the water guide ports 1231 on adjacent guide baffles 123 are arranged in a staggered manner so that the cooling water flows along each guide baffle 123 layer by layer, thereby slowing down the flow rate of the cooling water, allowing the cooling water to fully exchange heat with the motor and enhancing the heat dissipation effect.

[0055] 3. A heat dissipation channel 124 is provided in the cooling channel 120, and the heat dissipation channel 124 is connected to the first installation cavity 110. That is, when the exhaust impeller 210 is working, part of the heat of the motor can be transferred to the first installation cavity 110 through the heat dissipation channel 124, and then dissipated to the outside by the exhaust impeller 210, thereby further improving the heat dissipation efficiency of the exhaust impeller 210.

[0056] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention.

[0057] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A motor base, characterized in that: include: A cooling mechanism, wherein a first mounting cavity for assembling the motor is provided therein, a cooling channel for passing cooling water is provided inside the cooling mechanism, the cooling channel is arranged around the first mounting cavity, the cooling channel divides the interior of the cooling mechanism into a first part and a second part, the first part is arranged inside the cooling channel, the second part is arranged outside the cooling channel, and the second part is provided with a second mounting cavity communicating with the outside; The heat dissipation mechanism comprises an exhaust impeller and a hydrodynamic impeller arranged side by side, wherein the hydrodynamic impeller is fixedly arranged in the cooling channel, and the exhaust impeller is fixedly arranged in the second mounting cavity, a first magnetic sheet is arranged on a side of the exhaust impeller opposite to the hydrodynamic impeller, and a second magnetic sheet is arranged on a side of the hydrodynamic impeller opposite to the exhaust impeller, and the first magnetic sheet and the second magnetic sheet have opposite magnetic properties on the sides facing each other; The hydrodynamic impeller can rotate under the impact of cooling water, and the suction impeller can be driven to rotate by the magnetic effect of the first magnetic sheet and the second magnetic sheet.

2. The motor base according to claim 1, characterized in that: A heat dissipation channel is provided in the cooling channel, and the heat dissipation channel is communicated with the first installation cavity.

3. The motor base according to claim 1, characterized in that: A plurality of guide baffles are arranged at intervals in the cooling channel, the length direction of the guide baffles is arranged along the central axis direction of the first installation cavity, and each of the guide baffles is provided with a water guide port, and the water guide ports on adjacent guide baffles are arranged in a staggered manner. The hydrodynamic impeller is correspondingly provided with two adjacent guide baffles, and the hydrodynamic impeller is arranged between the corresponding two adjacent guide baffles.

4. The motor base according to claim 3, characterized in that: One or two of the two adjacent guide baffles corresponding to the hydrodynamic impeller are provided with a guide platform, and the guide platform is arranged on the side of the guide baffle opposite to the hydrodynamic impeller. A guide slope is provided on the guide platform, and the inclination direction of the guide slope is arranged along the flow direction of cooling water, and the end of the guide slope is arranged toward the hydrodynamic impeller.

5. The motor base according to claim 1, characterized in that: A plurality of bosses are arranged at intervals on the inner side of the first part of the cooling mechanism, and mounting grooves are formed between adjacent bosses. A mica heating plate is arranged in each mounting groove.

6. The motor base according to claim 5, characterized in that: A heat-conducting silicone pad is provided on one side of each boss facing the first mounting cavity, and the motor housing is closely arranged against the heat-conducting silicone pad.

7. The motor base according to claim 1, characterized in that: The cooling mechanism comprises a first shell and a second shell, the first shell and the second shell both have a first end and a second end opposite to each other, a cooling channel is provided in the first shell and the second shell, and a heat dissipation mechanism is provided in the first shell and the second shell; The motor base also includes a base and a clamping mechanism, the bottoms of the first shell and the second shell are hinged on the base, and the clamping mechanism is used to keep the cooling mechanism in a state where the first end of the first shell is connected to the first end of the second shell, and the second end of the first shell is connected to the second end of the second shell, so that the inner sides of the first shell and the second shell jointly form the first installation cavity.

8. The motor base according to claim 7, characterized in that: The clamping mechanism includes a servo motor, a screw rod and a clamping member. The base is a frame structure. The servo motor is arranged in the base. One end of the screw rod is connected to the driving end of the servo motor, and the other end is passed through the top of the base and screwed in the clamping member. The clamping member is also passed through the top of the base, and the clamping member can be operably abutted against the first shell and the second shell at the same time, so that the first end of the first shell is connected to the first end of the second shell, and the second end of the first shell is connected to the second end of the second shell.

9. The motor base according to claim 8, characterized in that: The clamping member comprises a base plate and two clamping arms arranged opposite to each other on the base plate. The base plate is screwed onto the screw rod, and the two clamping arms are used to abut against the first shell and the second shell respectively.

10. The motor base according to claim 7, characterized in that: The first shell and the second shell are both semi-ring structures.

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