Motor housing with cooling water channel

Abstract

The utility model discloses a motor housing with a cooling waterway, comprising a water jacket housing body, the water jacket housing body is internally provided with an installation cavity for installing a motor, the water jacket housing body is provided with a water inlet, one side of the water inlet is provided with a water outlet, the water jacket housing body is internally provided with a water inlet channel and a water outlet channel, and the water inlet channel and the water outlet channel are communicated with each other. A first mounting convex block is arranged on one side of the water inlet channel, and a first water cooling flow channel is arranged in the first mounting convex block; a second mounting convex block is arranged on one side of the water outlet channel, and a second water cooling flow channel is arranged in the second mounting convex block; a first water cooling flow channel is formed in the water jacket shell body, a third water cooling flow channel is further formed in the water jacket shell body, the first water cooling flow channel communicates with the third water cooling flow channel, a plurality of sets of horizontally-arranged first water separation assemblies are arranged in the first water cooling flow channel, and a plurality of sets of horizontally-arranged second water separation assemblies are arranged in the second water cooling flow channel; according to the utility model, different water-cooling flow channels are arranged in the thicker area of the motor housing, so that the heat is effectively dispersed, and the overall heat exchange efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor shell technical field, especially a kind of motor shell with cooling waterway. BACKGROUND

[0002] The motor shell with cooling waterway is a device for realizing motor heat dissipation by setting cooling waterway inside shell, which is usually made of material with good heat conductivity, cooling water enters waterway channel through water inlet on shell, flows through key parts of motor, and is discharged from water outlet after absorbing heat, since the heat transfer efficiency of water cooling mode is much higher than that of air cooling mode, the heat dissipation performance of motor is significantly improved, and the problems of efficiency reduction or component damage caused by overheating are reduced.

[0003] The existing motor shell has only single water cooling flow channel design, and cooling water flow path is simple, so water flow can quickly pass through without fully absorbing shell heat, resulting in poor heat dissipation effect. Since the thickness of motor shell is different, local parts where heat is concentrated cannot be fully cooled, which can cause local overheating of shell, resulting in uneven temperature distribution and affecting overall performance and service life of motor. SUMMARY

[0004] The utility model solves the technical problem to provide a kind of motor shell with cooling waterway, and different water cooling flow channels are arranged in thicker areas of motor shell, effectively dispersing heat and improving overall heat exchange efficiency.

[0005] To solve the above technical problems, the utility model provides a kind of motor shell with cooling waterway, which comprises a water jacket shell body, the water jacket shell body is provided with a mounting cavity for mounting a motor, the water jacket shell body is provided with a water inlet, one side of the water inlet is provided with a water outlet, the water jacket shell body is provided with a water inlet channel and a water outlet channel, the water inlet is communicated with the water inlet channel, the water outlet is communicated with the water outlet channel, one side of the water inlet channel is provided with a first mounting lug, the first mounting lug is provided with a first water cooling flow channel, and the first water cooling flow channel is communicated with the water inlet channel;One side of the water outlet channel is provided with a second mounting lug, the second mounting lug is provided with a second water cooling flow channel, and the second water cooling flow channel is communicated with the water outlet channel;The water jacket shell body is also provided with a third water cooling flow channel, the first water cooling flow channel is communicated with the third water cooling flow channel, the second water cooling flow channel is communicated with the third water cooling flow channel, the first water cooling flow channel is provided with a plurality of groups of horizontally arranged first water isolation components, the second water cooling flow channel is provided with a plurality of groups of horizontally arranged second water isolation components, and the third water cooling flow channel is provided with a vertically arranged third water isolation component, cooling water passes through the first water cooling flow channel, the third water cooling flow channel and the second water cooling flow channel in sequence.

[0006] The first water-blocking assembly includes a first upper water-blocking plate and a first lower water-blocking plate below the first upper water-blocking plate. The first upper water-blocking plate is horizontally positioned, with the end of the first upper water-blocking plate away from the water inlet channel extending downwards. The first lower water-blocking plate is horizontally positioned, with the end of the first lower water-blocking plate near the water inlet channel extending upwards. The second water-blocking assembly includes a second upper water-blocking plate and a second lower water-blocking plate below the second upper water-blocking plate. The second upper water-blocking plate is horizontally positioned, with the end of the second upper water-blocking plate away from the water inlet channel extending downwards. The second lower water-blocking plate is horizontally positioned, with the end of the second lower water-blocking plate near the water inlet channel extending upwards.

[0007] The third water-cooled flow channel is provided with a number of adjacent first and second water-proof ribs. The first and second water-proof ribs are arranged vertically. The upper end of the first water-proof rib is provided with a first notch, and the lower end of the second water-proof rib is provided with a second notch.

[0008] The outer wall of the water jacket shell is provided with protrusions corresponding to the first and second water-proof ribs.

[0009] The lower end of the water jacket shell body is provided with a lower end cover, and the lower end of the water jacket shell body is provided with a lower mounting groove. The lower end cover is provided with a mounting rib, and the mounting rib is interference-fitted with the mounting groove.

[0010] The upper end of the water jacket shell body is provided with an upper end cover, and the upper end cover is provided with an upper mounting groove. The upper end of the water jacket shell body is interference-fitted with the upper mounting groove.

[0011] The outlet is located higher than the inlet.

[0012] The inner wall of the third water-cooled flow channel is provided with multiple flanges.

[0013] The inner wall of the water jacket shell is provided with a coil mounting part.

[0014] The lower end cover has an upwardly extending mounting ring at its center, and the mounting ring has a bearing mounting part.

[0015] The utility model discloses when using, through first installation lug and second installation lug, water jacket shell body is installed on diesel generator, when starting, cooling water enters water jacket shell body inside through the water inlet on water jacket shell body, flows into the water inlet channel, and the water inlet channel guides cooling water to first installation lug, enters the region for being equipped with first water cooling flow channel, and water flow meanders and flows with first installation lug and exchanges heat, subsequently, cooling water enters third water cooling flow channel, and water flow meanders and flows through third water isolation component, absorbs the heat of water jacket shell body whole, and cooling water surrounds water jacket shell body after a week and enters second installation lug, and second installation lug is equipped with second water cooling flow channel, and water flow meanders and flows through second water isolation component, continues to absorb the heat of second installation lug, finally, water flow is discharged from the water outlet through the water outlet channel, and the temperature of motor shell body is continuously and effectively reduced, and overheating is prevented.

[0016] The utility model brings the beneficial effect is:

[0017] The utility model sets up different water cooling flow channels in the thick area of motor shell, effectively disperses these heat, and improves the overall heat exchange efficiency.

[0018] The utility model increases the contact area of water flow and shell inner wall, prolongs the residence time of water flow in flow channel, realizes more uniform heat dissipation effect.

[0019] The utility model is convenient to dismount and assemble, provides stable installation structure for motor, and through reasonable interference fit, the installation of upper end cover and lower end cover is more simple and efficient. ACCURACY OF DRAWINGS

[0020] Fig. 1 It is the side view of the utility model.

[0021] Fig. 2 It is the sectional view of the positioning plate of the utility model.

[0022] Fig. 3 It is the schematic view of water jacket shell body of the utility model after unfolding.

[0023] Fig. 4 It is the sectional view of water jacket shell body of the utility model.

[0024] In the figure: 1, water jacket shell body; 2, mounting cavity; 3, water inlet; 4, water outlet; 5, water inlet channel; 6, water outlet channel; 7, first mounting lug; 8, first water cooling flow channel; 9, second mounting lug; 10, second water cooling flow channel; 11, third water cooling flow channel; 12, first water isolation assembly; 13, second water isolation assembly; 14, third water isolation assembly; 15, first upper water isolation plate; 16, first lower water isolation plate; 17, second upper water isolation plate; 18, second lower water isolation plate; 19, first water isolation lug; 20, second water isolation lug; 21, first notch; 22, second notch; 23, protruding portion; 24, lower end cover; 25, lower mounting groove; 26, mounting lug; 27, upper end cover; 28, upper mounting groove; 29, coil mounting portion; 30, mounting ring; 31, bearing mounting portion. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] According to Figs. 1 to 4As shown, the utility model discloses a motor casing with cooling water path, including water jacket casing body 1, be equipped with the installation cavity 2 of motor installation in water jacket casing body 1, be used for fixed and accommodate motor main body, ensure its stable operation, be equipped with water inlet 3 on water jacket casing body 1, be used for introducing cooling water, water inlet 3 one side is equipped with water outlet 4, is used for discharging the water flow after cooling, to form circulating cooling system, water jacket casing body 1 inside is equipped with water inlet channel 5 and water outlet channel 6, water inlet 3 is connected with water inlet channel 5 through sealing connection and intercommunication, water outlet 4 is connected with water outlet channel 6 and intercommunication, be equipped with first installation lug 7 on water inlet channel 5 one side, this installation lug inside is equipped with complex first water cooling flow channel 8, first water cooling flow channel 8 is connected with water inlet channel 5 and intercommunication, water outlet channel 6 one side is provided with second installation lug 9, second installation lug 9 inside is equipped with second water cooling flow channel 10, second water cooling flow channel 10 is connected with water outlet channel 6 and intercommunication, first installation lug 7 and second installation lug 9's thickness is greater than water jacket casing body 1, water jacket casing body 1 inside is also equipped with third water cooling flow channel 11, and first water cooling flow channel 8 is connected with third water cooling flow channel 11, and second water cooling flow channel 10 also is connected with third water cooling flow channel 11 and intercommunication, and its first water cooling flow channel 8 is provided with multiple groups horizontal arrangement's first water separation component 12, through separating cooling water flow, make it evenly distributed and increase heat exchange area. Similarly, second water cooling flow channel 10 is also provided with multiple groups horizontal arrangement's second water separation component 13, to ensure that discharge cooling water can fully exchange heat with the shell before. And third water cooling flow channel inside is equipped with vertical setting's third water separation component 14. Cooling water is introduced from water inlet 3, in turn through first water cooling flow channel 8, third water cooling flow channel 11 and second water cooling flow channel 10, finally from water outlet 4, complete the whole cooling cycle.

[0027] The first water separation component 12 includes a first upper water separation plate 15 and a first lower water separation plate 16, which form a layered guiding effect in the water cooling channel. The first upper water separation plate 15 is horizontally arranged, with its end away from the water inlet channel 5 extending downward to form a bent structure, which is used to change the flow direction of the cooling water and enhance the scouring effect of the water flow on the channel wall, thereby improving the heat dissipation performance. The first lower water separation plate 16 is also horizontally arranged, with its end close to the water inlet channel 5 extending upward to form a corresponding guiding structure with the first upper water separation plate 15, effectively limiting the scattering of the water flow and making the water flow more concentrated and orderly. The second water separation component 13 is similar to the first water separation component 12 and includes a second upper water separation plate 17 and a second lower water separation plate 18. The second upper water separation plate 17 is horizontally arranged, with its end away from the water inlet channel 5 extending downward. The second lower water separation plate 18 is horizontally arranged, with its end close to the water inlet channel 5 extending upward to cooperate with the second upper water separation plate 17, ensuring that the cooling water fully contacts the channel wall during the flow process and enhancing the heat exchange efficiency.

[0028] In the third water cooling flow channel 11, a plurality of first and second water isolation ribs 19 and 20 are arranged adjacently, vertically arranged to form a guide structure of the segmented flow channel, further optimizing the flow path of the water flow, wherein the upper end of the first water isolation rib 19 is provided with a first gap 21 for guiding the water flow from the upper part, and the lower end of the second water isolation rib 20 is provided with a second gap 22 for guiding the water flow from the lower part. The two kinds of ribs are arranged alternately to form a zigzag water flow path, prolonging the residence time of the cooling water in the flow channel and significantly improving the cooling effect.

[0029] A lower end cover 24 for sealing is arranged at the lower end of the water jacket shell body 1, which is fixedly connected with the lower mounting groove 25 at the lower end of the water jacket shell body 1. To ensure the reliability of the connection, the lower end cover 24 is provided with a mounting rib 26, which is connected with the lower mounting groove 25 in an interference fit manner. This tight assembly not only improves the sealing performance, but also prevents the leakage of cooling water, ensuring the long-term operation of the water cooling system.

[0030] An upper end cover 27 for closing and mounting is also arranged at the upper end of the water jacket shell body 1. The upper end cover 27 is provided with an upper mounting groove 28 for accommodating the upper end of the water jacket shell body 1. The upper end of the water jacket shell body 1 is connected with the upper mounting groove 28 in an interference fit manner to form a stable connection structure. This interference fit manner can effectively prevent the end cover from loosening due to vibration or external force during use, and at the same time enhance the rigidity and airtightness of the overall structure.

[0031] The outlet 4 is higher than the inlet 3, which can prevent the backflow of cooling water when the equipment is stopped. Due to the action of gravity, the cooling water at the time of shutdown will naturally stay at the low position of the flow channel and will not backflow into the inlet 3, reducing the water pressure fluctuation and waste of cooling liquid of the system.

[0032] A plurality of flanges are arranged on the inner wall of the third water cooling flow channel 11, which are uniformly distributed along the inner wall of the flow channel. The main function of these flanges is to disturb the flow path of the cooling water and break the laminar flow state of the water flow, forming a more complex turbulent flow.

[0033] A coil mounting portion 29 is arranged on the inner wall of the water jacket shell body 1 for mounting the coil on the stator. A mounting ring 30 extending upward is arranged at the center of the lower end cover 24, and a bearing mounting portion 31 is arranged on the mounting ring 30 for mounting the bearing and receiving the rotor shaft.

[0034] The utility model discloses when using, through first mounting lug 7 and second mounting lug 9 will water jacket shell body 1 install on diesel generator, when starting work, cooling water passes through the water inlet 3 on water jacket shell body 1 and enters water jacket shell body 1 inside, flows into the water inlet channel 5, and the water inlet channel 5 guides cooling water to first mounting lug 7, enters the region for being equipped with first water cooling flow channel 8, and the water flow meanders and flows through first water -proof component 12, and exchanges heat with first mounting lug 7, subsequently, cooling water enters third water cooling flow channel 11, and the water flow meanders and flows through third water -proof component 14, absorbs the heat of water jacket shell body 1 whole, and cooling water surrounds water jacket shell body 1 a week and enters second mounting lug 9, and second mounting lug 9 is equipped with second water cooling flow channel 10, and the water flow meanders and flows through second water -proof component 13, continues to absorb the heat of second mounting lug 9, finally, the water flow is discharged from the water outlet 4 through the water outlet channel 6, and the temperature of motor shell is continuously and effectively reduced, prevents overheating.

[0035] The utility model discloses the beneficial effect that brings is:

[0036] The utility model discloses the different water cooling flow channel of thick area of motor shell, effectively disperses these heat, improves the overall heat exchange efficiency.

[0037] The utility model discloses the contact area of water flow and shell inner wall is increased, prolongs the residence time of water flow in flow channel, realizes more uniform heat dissipation effect.

[0038] The utility model discloses convenient to dismount, provides stable installation structure for motor, through reasonable interference fit, makes the installation of upper end cover and lower end cover more simple and efficient.

[0039] The above only is the preferred implementation mode of the utility model, therefore, the equivalent change or modification of the structure, feature and principle that the utility model patent application range described is included in the utility model patent application range.

Claims

1. An electric machine housing with a cooling water circuit, comprising a water jacket housing body, the water jacket housing body having a mounting cavity for mounting an electric machine, the water jacket housing body being provided with a water inlet, the water inlet being provided on one side with a water outlet, characterized in that: The water jacket shell body is provided with a water inlet channel and a water outlet channel, the water inlet is communicated with the water inlet channel, the water outlet is communicated with the water outlet channel, the water inlet channel is provided with a first mounting lug on one side, the first mounting lug is provided with a first water cooling flow channel, and the first water cooling flow channel is communicated with the water inlet channel; the water outlet channel is provided with a second mounting lug on one side, the second mounting lug is provided with a second water cooling flow channel, and the second water cooling flow channel is communicated with the water outlet channel; the thickness of the first mounting lug and the second mounting lug is greater than that of the water jacket shell body, the water jacket shell body is further provided with a third water cooling flow channel, the first water cooling flow channel is communicated with the third water cooling flow channel, the second water cooling flow channel is communicated with the third water cooling flow channel, a plurality of groups of horizontally arranged first water isolation components are arranged in the first water cooling flow channel, a plurality of groups of horizontally arranged second water isolation components are arranged in the second water cooling flow channel, and vertically arranged third water isolation components are arranged in the third water cooling flow channel; cooling water passes through the first water cooling flow channel, the third water cooling flow channel and the second water cooling flow channel in sequence.

2. The electric machine housing with a cooling water path according to claim 1, characterized in that: The first water isolation component comprises a first upper water isolation plate, a first lower water isolation plate is arranged below the first upper water isolation plate, the first upper water isolation plate is horizontally arranged, the first upper water isolation plate extends downward at the end away from the water inlet channel, the first lower water isolation plate is horizontally arranged, and the first lower water isolation plate extends upward at the end close to the water inlet channel; the second water isolation component comprises a second upper water isolation plate, a second lower water isolation plate is arranged below the second upper water isolation plate, the second upper water isolation plate is horizontally arranged, the second upper water isolation plate extends downward at the end away from the water inlet channel, the second lower water isolation plate is horizontally arranged, and the second lower water isolation plate extends upward at the end close to the water inlet channel.

3. The motor housing with a cooling water path according to claim 1, characterized in that: A plurality of adjacent first water isolation protrusions and second water isolation protrusions are arranged in the third water cooling flow channel, the first water isolation protrusions and the second water isolation protrusions are vertically arranged, a first notch is arranged at the upper end of the first water isolation protrusion, and a second notch is arranged at the lower end of the second water isolation protrusion.

4. The motor housing with a cooling water path according to claim 1, characterized in that: A protruding part corresponding to the first water isolation protrusion and the second water isolation protrusion is arranged on the outer wall of the water jacket shell body.

5. The motor housing with a cooling water path according to claim 1, characterized in that: A lower end cover is arranged at the lower end of the water jacket shell body, a lower mounting groove is arranged at the lower end of the water jacket shell body, a mounting protrusion is arranged on the lower end cover, and the mounting protrusion is interference-fitted with the mounting groove.

6. The electric machine housing with a cooling water path according to claim 1, characterized in that: An upper end cover is arranged at the upper end of the water jacket shell body, an upper mounting groove is arranged on the upper end cover, and the upper end of the water jacket shell body is interference-fitted with the upper mounting groove.

7. The motor housing with a cooling water path according to claim 1, characterized in that: The position of the water outlet is higher than that of the water inlet.

8. The motor housing with a cooling water path according to claim 1, characterized in that: A plurality of flanges are arranged on the inner wall of the third water cooling flow channel.

9. The motor housing with a cooling water path according to claim 1, characterized in that: A coil mounting part is arranged on the inner wall of the water jacket shell body.

10. The motor housing with a cooling water path according to claim 5, characterized in that: A mounting ring extending upward is arranged at the center of the lower end cover, and a bearing mounting part is arranged on the mounting ring.

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