A motor with heat dissipation function

Abstract

The utility model relates to a kind of electric motor with heat dissipation function, including body and shell, the body includes protruding from shell and axially along front and back extension motor shaft, further including the first cooling pipe and second cooling pipe of shell, the first cooling pipe and second cooling pipe one end and shell are attached and with shell magnetic attraction connection, the motor is located between the first cooling pipe and second cooling pipe and is provided with liquid placement part, cooling cavity is provided in the liquid placement part, and cooling cavity is communicated with the first cooling pipe, second cooling pipe one end, the detachable seal cover of top of liquid placement part is installed.Using the above scheme, provide a kind of electric motor with heat dissipation function by the seal cover is removed from liquid placement part and can realize the cooling liquid supplementing of the first cooling pipe and second cooling pipe inside.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor field especially, a kind of motor with heat dissipation function. BACKGROUND

[0002] As the core power device that electric energy is converted into mechanical energy, electric motor is widely used in industrial equipment, household appliances, new energy vehicles, robots and other fields.

[0003] Electric motor inevitably generates heat in the process of operation due to copper loss, iron loss and mechanical loss. If the heat cannot be dissipated in time, it will lead to motor temperature rise too high, and then cause winding insulation aging, permanent magnet demagnetization, efficiency decline and other problems, and even cause motor failure or damage in serious case. Common motor cooling methods mainly include natural cooling, forced air cooling and liquid cooling, etc. Liquid cooling (such as water cooling jacket, oil cooling system) has high heat exchange efficiency, and is widely used in high power density motor, but usually relies on closed circulation system, and needs to be equipped with water pump, radiator, pipeline and sealing structure, which is complex, high in cost, and has leakage risk. And the existing liquid cooling technology mostly uses pre-filled cooling liquid (such as water-glycol mixture or special cooling oil), and the cooling liquid is circulated in the sealed circuit, which needs to be maintained and supplemented regularly. Therefore, how to provide convenience for the regular maintenance and replenishment of cooling liquid has become a problem to be solved by the technical personnel in the field. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a kind of motor with heat dissipation function, which can realize the replenishment of cooling liquid inside the first cooling pipe and the second cooling pipe by removing the sealing cover from the liquid placement part.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: including body and shell, the body includes motor shaft protruding from the shell and extending axially along the front and back, and further includes first cooling pipe and second cooling pipe sleeved with the shell, one end of the first cooling pipe and the second cooling pipe is attached to the shell and magnetically connected with the shell, the motor is provided with a liquid placement part between the first cooling pipe and the second cooling pipe, the liquid placement part is magnetically connected with the shell, the liquid placement part is provided with a cooling cavity, and the cooling cavity is in communication with one end of the first cooling pipe and the second cooling pipe, and the liquid placement part is detachably provided with a sealing cover on the top.

[0006] The utility model is further provided as follows: the shape and size of the first cooling pipe and the second cooling pipe are the same, the first cooling pipe is arranged in a circuitous manner and has a quadrilateral cross section.

[0007] The utility model further sets up: first cooling pipe includes the segment of fitting, the connecting section and with the plug in segment of setting into the liquid part, each segment of fitting is parallel to each other and the inside end surface is opposite with the shell, each connecting section is located between the adjacent segment of fitting one side of up and down to make each segment of fitting is connected together.

[0008] The utility model further sets up: each plug in segment all includes the limit board, each limit board all is opposite with the inner wall of liquid part and is fixed with the liquid part.

[0009] The utility model further sets up: the sealing cover includes the plug in frame, the circumference of plug in frame is opposite with the inner wall of liquid part.

[0010] The utility model further sets up: the sealing cover is located each side and is set up the screw hole with the plug hole of each plug hole of liquid part.

[0011] The utility model further sets up: still include the heat dissipation convex strip between each segment of fitting, each heat dissipation convex strip all is fixedly connected with the shell.

[0012] Through adopting above-mentioned technical scheme, since liquid part, first cooling pipe and second cooling pipe all are connected with the shell magnetically, after fixing the position of first cooling pipe, second cooling pipe and liquid part on the shell, then remove the sealing cover above liquid part and pour the cooling liquid into the cooling cavity, the cooling liquid can flow into first cooling pipe and second cooling pipe, after the cooling liquid fills up first cooling pipe and second cooling pipe, then install the sealing cover above liquid part to seal the upper part of cooling cavity and reduce the outflow of cooling liquid from liquid part, since the cooling liquid flows into first cooling pipe and second cooling pipe by gravity without water pump driving, it is energy-saving and simple in structure, at the same time, since one end of first cooling pipe and second cooling pipe is fitted with the shell to realize that the cooling water can be close to the shell to improve the heat dissipation efficiency, since one end of first cooling pipe and second cooling pipe is inserted into liquid part and communicates with the cooling cavity, the cooling liquid can be poured out and replaced by taking first cooling pipe, second cooling pipe and liquid part off the shell. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to make the technical scheme in the embodiment of the utility model or prior art clearer, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by the ordinary skilled in the art without creating labor.

[0014] Figure 1 It is the assembly drawing of the specific embodiment of the utility model;

[0015] Figure 2 is a sectional view of the utility model;

[0016] Figure 3 is an exploded view of the utility model;

[0017] Figure 4 is a sectional view of the utility model from another angle;

[0018] Figure 5 is Figure 2 is an enlarged view of A;

[0019] Figure 6 is Figure 3 is an enlarged view of B.

[0020] 1 - body, 11 - motor shaft;

[0021] 2 - shell;

[0022] 3 - first cooling pipe, 31 - fitting section, 32 - connecting section, 33 - inserting section, 331 - limiting plate;

[0023] 4 - second cooling pipe;

[0024] 5 - liquid placing part, 51 - cooling cavity, 52 - screw hole, 53 - sealing cover, 531 - insertion hole, 532 - insertion frame;

[0025] 6 - heat dissipation convex strip. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] As Figures 1-6The utility model discloses a motor with heat dissipation function, including body 1 and shell 2, the body 1 includes protruding the motor shaft 11 of shell 2 and axial along before and after extension, and the motor shaft 11 will carry out high -speed rotation after starting motor (this is prior art, here does not make specific explanation), still including the first cooling pipe 3 and second cooling pipe 4 of casing 2, the first cooling pipe 3 with second cooling pipe 4 one end and shell 2 are pasted and with shell 2 magnetic attraction connects, the motor is located between the first cooling pipe 3 with second cooling pipe 4 and is provided with liquid placement part 5, the liquid placement part 5 in the setting has cooling cavity 51 and cooling cavity 51 with the one end communication of first cooling pipe 3, second cooling pipe 4, the liquid placement part 5 top detachable installation has sealing cover 53 through bolt etc., because liquid placement part 5, first cooling pipe 3 with second cooling pipe 4 all with shell 2 magnetic attraction connects, thus after the position of first cooling pipe 3, second cooling pipe 4 and liquid placement part 5 on shell 2 is fixed, sealing cover 53 is removed above liquid placement part 5 and cooling liquid is poured into cooling cavity 51 after this can flow into first cooling pipe 3 with second cooling pipe 4, when cooling liquid fills up first cooling pipe 3 with second cooling pipe 4 after this, sealing cover 53 is installed above liquid placement part 5 and completes the sealing above cooling cavity 51 and reduces the situation that cooling liquid flows out from liquid placement part 5, because cooling liquid relies on gravity and flows into first cooling pipe 3 with second cooling pipe 4 and does not need water pump drive, energy -conserving and simple structure, simultaneously, because the one end of first cooling pipe 3, second cooling pipe 4 and shell 2 are pasted and realize that cooling water can closely adhere shell 2 to improve the heat dissipation efficiency, and because the one end of first cooling pipe 3 and second cooling pipe 4 inserts liquid placement part 5 and is communicated with cooling cavity 51, so by taking down first cooling pipe 3, second cooling pipe 4 and liquid placement part 5 from shell 2 can realize pouring out and replacing cooling liquid.

[0028] In addition, as preferred, a sealing ring (not shown in the figure) can be installed between the sealing cover 53 and the liquid placement part 5 to further reduce the situation that the cooling liquid flows out of the liquid placement part 5.

[0029] The first cooling pipe 3 and the second cooling pipe 4 are symmetrical and have the same size and shape, the first cooling pipe 3 is arranged in a meandering manner and has a quadrilateral cross section, the meandering arrangement of the first cooling pipe 3 and the second cooling pipe 4 can increase the length of the first cooling pipe 3 and the second cooling pipe 4 and prolong the flow path of the cooling liquid on the motor shell 2, so that the area of contact between the cooling liquid and the shell 2 is larger, thereby significantly improving the heat dissipation efficiency, and the cross section of the first cooling pipe 3 and the second cooling pipe 4 is quadrangular, so that the fitting surface of the first cooling pipe 3 and the second cooling pipe 4 with the shell 2 is larger than that of a circular pipe, and the quadrangular interface of the pipe body can facilitate the installation of magnets to realize magnetic attraction with the shell 2.

[0030] The first cooling pipe 3 comprises the fitting sections 31, the connecting sections 32 and the inserting sections 33 which are fitted into the liquid containing part 5. The fitting sections 31 are parallel to each other and abut the inner side of the shell 2. The connecting sections 32 are located on one side of the fitting sections 31 to connect the fitting sections 31 together. The fitting sections 31 cover different areas of the motor shell 2 to achieve uniform heat dissipation. The connecting sections 32 connect the fitting sections 31 together to increase the length of the first cooling pipe 3 and the second cooling pipe 4 and the contact area with the motor shell 2.

[0031] Preferably, each inserting section 33 comprises a limiting plate 331 which abuts the inner wall of the liquid containing part 5 and is fixed to the liquid containing part 5 by adhesion or the like. When the inserting sections 33 of the first cooling pipe 3 and the second cooling pipe 4 are fitted into the liquid containing part 5, the limiting plate 331 needs to pass through the space of the liquid containing part 5 to abut the inner wall of the liquid containing part 5. The limiting plate 331 abuts the inner wall of the liquid containing part 5 to form axial limiting and avoid the first cooling pipe 3 and the second cooling pipe 4 from being pulled out of the liquid containing part 5 under insufficient magnetic force or vibration working condition. The limiting plate 331 is convenient for being fixed to the liquid containing part 5.

[0032] In addition, the sealing cover 53 comprises an inserting frame 532 which abuts the inner wall of the liquid containing part 5. When the sealing cover 53 is fitted above the liquid containing part 5, the inserting frame 532 abuts the inner wall of the liquid containing part 5 and the lower part of the inserting frame 532 abuts the inserting sections 33 to determine the relative position of the sealing cover 53 and the liquid containing part 5 and facilitate the fixation of the sealing cover 53 and the liquid containing part 5.

[0033] The sealing cover 53 is provided with an inserting hole 531 on each side. The liquid containing part 5 is provided with a screw hole 52 corresponding to each inserting hole 531. A bolt (not shown in the figure) which is suitable in shape and size is fitted between the inserting hole 531 and the screw hole 52 to mechanically lock the sealing cover 53 and the liquid containing part 5. The sealing cover 53 can be stably positioned above the liquid containing part 5 during the operation of the motor. When the first cooling pipe 3, the second cooling pipe 4, the liquid containing part 5 and the shell 2 are separated, the bolt is unscrewed to pour out the cooling liquid from the liquid containing part 5 and facilitate the replacement or supplement of the cooling liquid.

[0034] The heat dissipation convex strips 6 are fixedly connected with the shell 2 by welding or the like, the heat dissipation convex strips 6 are directly connected with the gap region between the shell 2 and the abutting segments 31 of the first cooling pipe 3, the heat dissipation convex strips 6 make up the heat dissipation region of the region not directly covered by the first and second cooling pipes, and the presence of the heat dissipation convex strips 6 can facilitate the determination of the position of the first cooling pipe 3 and the second cooling pipe 4 being loaded into the shell 2, and the heat dissipation convex strips 6 being located between the abutting segments 31 can form support between the abutting segments 31, thereby improving the overall structural stability of the first cooling pipe 3 and the second cooling pipe 4.

[0035] The above description of disclosed embodiments enables those skilled in the art to make or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the present application. Thus, the present application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electric motor with heat dissipation function, comprising a body and a housing, the body including a motor shaft protruding from the housing and extending axially in a front-rear direction, characterized in that: It also includes a first cooling pipe and a second cooling pipe fitted with a housing. One end of the first cooling pipe and the second cooling pipe is attached to the housing and magnetically connected to the housing. The motor is provided with a liquid-filling part between the first cooling pipe and the second cooling pipe. The liquid-filling part is magnetically connected to the housing. A cooling chamber is provided inside the liquid-filling part and the cooling chamber is connected to one end of the first cooling pipe and the second cooling pipe. A sealing cover is detachably installed on the top of the liquid-filling part.

2. The electric motor with heat dissipation function according to claim 1, characterized in that: The first cooling pipe and the second cooling pipe have the same shape and size. The first cooling pipe is arranged in a circuitous manner and has a quadrilateral cross-section.

3. The electric motor with heat dissipation function according to claim 2, characterized in that: The first cooling pipe includes a bonding section, a connecting section, and an insertion section that is inserted into the liquid-filling part. Each bonding section is parallel to each other and its inner end face abuts against the outer shell. Each connecting section is located on one of the upper or lower sides between adjacent bonding sections so that each bonding section is connected together.

4. The electric motor with heat dissipation function according to claim 3, characterized in that: Each insertion section includes a limiting plate, and each limiting plate abuts against the inner wall of the liquid placement part and is fixed to the liquid placement part.

5. The electric motor with heat dissipation function according to claim 1, characterized in that: The sealing cap includes an insertion frame, the circumference of which is fitted against the inner wall of the liquid-containing part.

6. The electric motor with heat dissipation function according to claim 5, characterized in that: The sealing cap has insertion holes on each side, and the liquid-filling part has screw holes corresponding to each insertion hole.

7. The electric motor with heat dissipation function according to claim 1, characterized in that: It also includes heat dissipation protrusions located between each bonding section, and each heat dissipation protrusion is fixedly connected to the outer casing.

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