CN212012397U - Motor heat radiation structure - Google Patents
Motor heat radiation structure Download PDFInfo
- Publication number
- CN212012397U CN212012397U CN202020514948.XU CN202020514948U CN212012397U CN 212012397 U CN212012397 U CN 212012397U CN 202020514948 U CN202020514948 U CN 202020514948U CN 212012397 U CN212012397 U CN 212012397U
- Authority
- CN
- China
- Prior art keywords
- motor
- control box
- heat dissipation
- base
- rear end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a motor heat radiation structure. It has solved current technical problem. This motor heat radiation structure, including the frame that has the rear end cap, the frame in be equipped with motor body, the rear end cap keep away from the one end of frame and even have the control box, the rear end cap be cavity form and inboard and be equipped with the baffle body, the baffle body towards one side of frame form the motor cooling area that is located the rear end cap front end, the baffle body towards one side of control box form the control box cooling area that is located the rear end cap rear end, motor cooling area in be equipped with the radiator fan who links to each other with motor body's rotor shaft, motor cooling area and control box cooling area be linked together and be equipped with water conservancy diversion mechanism between the two. The utility model has the advantages of good heat dissipation effect and the like.
Description
Technical Field
The utility model belongs to the technical field of the motor, especially, relate to a motor heat radiation structure.
Background
The motor is a device for converting electric energy into mechanical energy, and mainly comprises a stator, a rotor, a shell, an end cover and the like. When the motor is used, the motor can generate a large amount of heat, after the heat reaches a certain degree, the motor cannot be used, otherwise, insulation breakdown can occur, and the motor is burnt out. The existing heat dissipation carries out heat dissipation through the heat dissipation capability of the motor, but the heat dissipation effect is not good. At present, the heat dissipation ribs are arranged on the motor shell, a large amount of heat generated by the mode of arranging the plurality of heat dissipation ribs on the periphery of the motor shell is transmitted out through the heat dissipation ribs on the shell, the heat dissipation efficiency is low, and the effect is poor.
In response to this problem, research and study have been conducted in long-term production and life practice, and for example, chinese utility model patent discloses a heat dissipation structure of a stepping motor [ application No.: 201621195613.6], the utility model discloses a cover behind step motor's the motor including locating, heat radiation structure is including the housing that has lateral wall and bottom and locate the fan in the housing, the housing links firmly through locking unit and motor hou gai, the fan includes that circumference is fixed the frame in the housing, but locate the frame be close to the mounting bracket of motor hou gai one end and locate the impeller of circumference rotation on the mounting bracket perpendicularly, be equipped with the fixed unit who is used for the axial fixity fan behind fan and the motor between the lid.
The solution described above improves to some extent some of the problems of the prior art, but it also has at least the following drawbacks: the heat dissipation efficiency is low and the effect is poor.
Disclosure of Invention
The utility model aims at the above-mentioned problem, a motor heat radiation structure that radiating effect is good is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal: this motor heat radiation structure, including the frame that has the rear end cap, the frame in be equipped with motor body, the rear end cap keep away from the one end of frame and even have the control box, the rear end cap be cavity form and inboard and be equipped with the baffle body, the baffle body towards one side of frame form the motor cooling area that is located the rear end cap front end, the baffle body towards one side of control box form the control box cooling area that is located the rear end cap rear end, motor cooling area in be equipped with the radiator fan who links to each other with motor body's rotor shaft, motor cooling area and control box cooling area be linked together and be equipped with water conservancy diversion mechanism between the two. The cavity at rear end cover middle part is divided into control box cooling area and motor cooling area by the baffle body, and radiator fan blows the air that gets into from control box cooling area to motor cooling area, and the air flow is smooth and easy, and hot-air can not flow back in the rear end cover and pile up, has higher thermal diffusivity, and radiator fan sets up in motor cooling area, and flow field flow loss is little.
In the above-mentioned motor heat radiation structure, the flow guide mechanism includes an air inlet structure communicating the outer wall of the control box with the cooling area of the control box and an air outlet structure communicating the cooling area of the motor with the outer wall of the machine base, and the partition plate body is provided with an air duct communicating the cooling area of the control box with the cooling area of the motor. The air inlet structure is connected with the control box outer wall and the control box cooling area, the air outlet structure is communicated with the motor cooling area and the machine base outer wall, so that air can enter the control box cooling area from the outside of the control box and finally blow to the machine base outer wall through the air channel, the space between the machine base and the control box can be better utilized, air flowing in the space is enhanced, and air flow channels are formed in the rear end cover and the machine base outer side respectively, and the heat dissipation effect is effectively improved.
In foretell motor heat radiation structure, the rear end of rear end housing be and open the form, and the control box connects in the end that opens of rear end housing, the control box circumference outside be equipped with a plurality of adjacent settings just air inlet heat dissipation strip, the air inlet structure including seting up the inlet air duct between adjacent air inlet heat dissipation strip, inlet air duct be close to the one end of rear end housing and open the income wind gap that is linked together with control box cooling space, control box cooling space in still be equipped with and be located control box heat radiation structure on the control box towards baffle body side end face. Air enters the cooling area of the control box from the air inlet between the air inlet heat dissipation strips and then enters the cooling area of the motor through the air channel, and fluid can also dissipate heat of the control box through the heat dissipation structure of the control box in the process of entering the cooling area of the control box.
In foretell motor heat radiation structure, rear end cap front end be equipped with the end plate, the outer wall of frame on if have the protruding muscle of heat dissipation that a plurality of axial extensions and interval set up, form the air-out passageway between the protruding muscle of adjacent heat dissipation, air-out structure including seting up the air outlet on the end plate, air outlet and air-out passageway be linked together, just the inner chamber of air outlet and frame seal relatively. The fluid in the cooling area of the control box is sucked by the heat radiation fan and blown to the motor cooling area, the fluid in the motor cooling area is blown out through the air outlet and enters the air outlet channel between the heat radiation convex ribs, the air outlet and the inner cavity of the machine base are relatively sealed, the flow loss of a flow field can be reduced, the dynamic seal is formed, the backflow is reduced, and therefore the air quantity is increased.
In the above-mentioned motor heat radiation structure, the opening direction of the air outlet is parallel to the extending direction of the air outlet channel, and the air outlets are a plurality of and are respectively arranged on the circumferential direction of the end plate. The air outlet is parallel to the air outlet channel on the base, and the air blows to the heat dissipation convex ribs on the base, so that the cooling effect of the motor is good.
In the above-mentioned motor heat radiation structure, the control box heat radiation structure include a plurality of bar-shaped convex ribs that set up on the control box terminal surface, the bar-shaped convex rib looks interval set up, form air inlet cooling runner between the adjacent bar-shaped convex rib, just air inlet cooling runner and income wind gap be linked together. The fluid is let the air and can also dispel the heat to the control box at the entering motor cooling zone in-process by the air inlet cooling runner of the protruding muscle of bar in the control box cooling zone of income wind gap to improve utilization ratio.
In foretell motor heat radiation structure, radiator fan, wind channel, the coaxial setting of rotor shaft, radiator fan include the base and set up a plurality of fan blades on the base, the base be round platform shape, and the diameter of this base is crescent from the one end that is close to the baffle body to the one end that is close to motor body, the circumference outside of the big head end of base be connected with and be annular aerofoil body, the fan blade connect between the inclined plane of aerofoil body and base. When wind enters the motor cooling area from the control box cooling area, the diameter of the base gradually increases from one end close to the partition plate body to one end close to the motor body, so that the wind quantity can be prevented from flowing back, and the wind can be reduced by the inclined guide air outlet in the motor cooling area to cause excessive loss.
In the above-mentioned heat dissipation structure for the motor, the rotor shaft penetrates through the middle part of the base, the rotor shaft penetrates through a rotating shaft hole formed in the rear end cover, an annular end cover is arranged at one end, close to the base, of the rotating shaft hole, a through hole is formed in the middle part of the end cover, and the diameter of the through hole is smaller than that of the large end of the base. Therefore, the air quantity between the base and the through hole is less lost, and the air quantity of the air outlet is larger.
In the motor heat dissipation structure, the gap between the end surface of the fan blade close to the end plate and the end surface of the end plate is 1-2 mm. The fan blade is connected with the end plate in a clearance mode, so that air inlet efficiency is higher, and air loss after entering the air duct can be reduced.
In the above-mentioned heat dissipation structure for the motor, the rear end cover is square. The rotating wind direction of the cooling fan is matched with the square structure of the rear end cover, so that the highest pressure intensity can be obtained at the air outlet, the pressure loss is small, and the air quantity is large.
Compared with the prior art, the motor heat radiation structure has the advantages that: 1. the design is reasonable, the partition plate body divides the cavity in the middle of the rear end cover into a control box cooling area and a motor cooling area, air flows smoothly, hot air cannot flow back and accumulate in the rear end cover, and the heat dissipation performance is higher; 2. the space between the machine base and the control box can be better utilized, the air flow in the space is enhanced, and air flow channels are respectively formed in the rear end cover and the outer side of the machine base, so that the heat dissipation effect is effectively improved; 3. the rotating wind direction of the cooling fan is matched with the square structure of the rear end cover, so that the highest pressure intensity can be obtained at the air outlet, the pressure loss is small, and the air quantity is large.
Drawings
Fig. 1 is a quarter sectional view provided by the present invention;
FIG. 2 is a half-in-half sectional view provided by the present invention;
fig. 3 is an exploded view provided by the present invention;
fig. 4 is a schematic diagram of the overall structure provided by the present invention;
fig. 5 is a schematic structural diagram of a rear end cap provided by the present invention;
fig. 6 is a schematic structural diagram of a cooling fan provided by the present invention;
fig. 7 is a pressure cloud within the motor cooling area provided by the present invention;
fig. 8 is a cloud of wind speeds and velocities within the rear end cover provided by the present invention;
in the figure, a rear end cover 1, a base 2, a motor body 3, a control box 4, a partition plate body 5, a motor cooling area 6, a control box cooling area 7, a rotor shaft 8, a cooling fan 9, an air inlet structure 10, an air outlet structure 11, an air duct 12, an air inlet cooling strip 13, an air inlet channel 14, an air inlet 15, a control box cooling structure 16, an end plate 17, a cooling convex rib 18, an air outlet channel 19, an air outlet 20, a strip-shaped convex rib 21, an air inlet cooling flow channel 22, a base 23, fan blades 24, an air plate body 25, a rotating shaft hole 26, an end cover 27 and a through hole 28.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-8, the heat dissipation structure of the motor includes a base 2 having a rear end cap 1, a motor body 3 is disposed in the base 2, a control box 4 is connected to one end of the rear end cap 1 far away from the base 2, the rear end cap 1 is hollow and is provided with a partition plate body 5 on the inner side, a motor cooling area 6 located at the front end of the rear end cap 1 is formed on one side of the partition plate body 5 facing the base 2, a control box cooling area 7 located at the rear end of the rear end cap 1 is formed on one side of the partition plate body 5 facing the control box 4, a heat dissipation fan 9 connected with a rotor shaft 8 of the motor body 3 is disposed in the motor cooling area 6, the motor cooling area 6 is communicated with the control box cooling area 7.
The cavity at baffle body 5 with 1 middle part of rear end cover divide into control box cooling space 7 and motor cooling space 6, and radiator fan 9 will blow to motor cooling space 6 from the air that 7 entering in control box cooling space, and the air flow is smooth and easy, and hot-air can not flow back in rear end cover 1 and pile up, has higher thermal diffusivity, and radiator fan 9 sets up in motor cooling space 6, and the flow field loss of flowing is little.
The flow guide mechanism comprises an air inlet structure 10 for communicating the outer wall of the control box 4 with the control box cooling area 7 and an air outlet structure 11 for communicating the motor cooling area 6 with the outer wall of the machine base 2, and an air duct 12 for communicating the control box cooling area 7 with the motor cooling area 6 is arranged on the partition plate body 5. The air inlet structure 10 connects the outer wall of the control box 4 with the control box cooling area 7, the air outlet structure 11 communicates the motor cooling area 6 with the outer wall of the machine base 2 to enable air to enter the control box cooling area 7 from the outside of the control box and enter the motor cooling area 6 through the air duct 12 to blow to the outer wall of the machine base 2 at last, the space between the machine base 2 and the control box 4 can be better utilized, the air flow in the space is enhanced, and air flow channels are formed in the rear end cover 1 and the outer side of the machine base 2 respectively, and the heat dissipation effect is effectively improved.
Preferably, the rear end of rear end housing 1 is and opens the form, and control box 4 connects in the end that opens of rear end housing 1, the control box 4 circumference outside is equipped with the air inlet heat dissipation strip 13 that a plurality of adjacent settings just, air inlet structure 10 is including seting up the inlet air duct 14 between the adjacent air inlet heat dissipation strip 13, inlet air duct 14 is close to the one end of rear end housing 1 and opens the income wind gap 15 that is linked together with control box cooling space 7, still be equipped with in the control box cooling space 7 and be located control box 4 towards control box heat radiation structure 16 on 5 side end faces of baffle body. The air enters the control box cooling area 7 from the air inlet 15 between the air inlet heat dissipation strips 13 and then enters the motor cooling area 6 through the air duct 12, and in the process of entering the control box cooling area 7, fluid can also dissipate heat of the control box 4 through the control box heat dissipation structure 16.
Furthermore, an end plate 17 is arranged at the front end of the rear end cover 1, if a plurality of heat dissipation ribs 18 which axially extend and are arranged at intervals are arranged on the outer wall of the base 2, an air outlet channel 19 is formed between the adjacent heat dissipation ribs 18, the air outlet structure 11 comprises an air outlet 20 which is arranged on the end plate 17, the air outlet 20 is communicated with the air outlet channel 19, the air outlet 20 is relatively closed with the inner cavity of the base 2, fluid in the control box cooling area 7 is sucked by the heat dissipation fan 9 and blown to the motor cooling area 6, the fluid in the motor cooling area 6 is blown out through the air outlet 20 and enters the air outlet channel 19 between the heat dissipation ribs 18, the air outlet 20 is relatively closed with the inner cavity of the base 2, flow loss of a flow field can be reduced, dynamic sealing is formed, backflow is reduced, and. The opening direction of the air outlet 20 is parallel to the extending direction of the air outlet channel 19, the air outlet 20 is a plurality of and is respectively arranged on the circumferential direction of the end plate 17, the air outlet 20 is parallel to the air outlet channel 19 on the base 2, the air blows to the heat dissipation convex rib 18 on the base 2, and the cooling effect of the motor is good.
Control box heat radiation structure 16 is including setting up a plurality of bar protruding muscle 21 on 4 terminal surfaces of control box, the protruding muscle 21 looks interval of bar sets up, form air inlet cooling runner 22 between the adjacent protruding muscle 21 of bar, and air inlet cooling runner 22 is linked together with income wind gap 15, the fluid lets wind can also dispel the heat to control box 4 getting into 6 in-process in the motor cooling district by the air inlet cooling runner 22 of the protruding muscle 21 of bar in the 15 income control box cooling districts 7 in the wind gap, thereby improve the utilization ratio.
Furthermore, the heat dissipation fan 9, the air duct 12 and the rotor shaft 8 are coaxially arranged, the heat dissipation fan 9 comprises a base 23 and a plurality of fan blades 24 arranged on the base 23, the base 23 is in a circular truncated cone shape, the diameter of the base 23 gradually increases from one end close to the partition plate body 5 to one end close to the motor body 3, the circumferential outer side of the large head end of the base 23 is connected with an annular air plate body 25, and the fan blades 24 are connected between the air plate body 25 and the inclined plane of the base 23.
When wind enters the motor cooling area 6 from the control box cooling area 7, the diameter of the base 23 gradually increases from one end close to the partition plate 5 to one end close to the motor body 3, so that the wind quantity can be prevented from flowing back, and the wind is guided to the wind outlet 20 from the inclined plane, so that excessive loss in the motor cooling area 6 can be reduced.
The rotor shaft 8 penetrates through the middle of the base 23, the rotor shaft 8 penetrates through a rotating shaft hole 26 formed in the rear end cover 1, an annular end cover 27 is arranged at one end, close to the base 23, of the rotating shaft hole 26, a through hole 28 is formed in the middle of the end cover 27, the diameter of the through hole 28 is smaller than that of the large head end of the base 23, and therefore air volume loss between the base 23 and the through hole 28 is small, and the air volume of the air outlet 20 is larger.
In addition, the clearance between the end face of the fan blade 24 close to the end plate 17 and the end face of the end plate 17 is 1-2mm, and the fan blade 24 is in clearance connection with the end plate 17, so that the air inlet efficiency is higher, and the loss of air volume after entering the air duct can be reduced. The rear end cover 1 is square, and the rotating wind direction of the cooling fan 9 is matched with the square structure of the rear end cover 1, so that the highest pressure can be obtained at the air outlet, the pressure loss is small, and the air quantity is large.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although terms such as the rear end cover 1, the base 2, the motor body 3, the control box 4, the partition plate body 5, the motor cooling area 6, the control box cooling area 7, the rotor shaft 8, the heat dissipation fan 9, the air inlet structure 10, the air outlet structure 11, the air duct 12, the air inlet heat dissipation strip 13, the air inlet channel 14, the air inlet 15, the control box heat dissipation structure 16, the end plate 17, the heat dissipation ribs 18, the air outlet channel 19, the air outlet 20, the bar-shaped ribs 21, the air inlet cooling flow channel 22, the base 23, the fan blades 24, the air plate body 25, the rotating shaft holes 26, the end cover 27, and the through holes 28 are used more often, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. A motor heat dissipation structure comprises a base (2) with a rear end cover (1), a motor body (3) is arranged in the base (2), one end of the rear end cover (1) far away from the base (2) is connected with a control box (4), it is characterized in that the rear end cover (1) is hollow and provided with a clapboard body (5) at the inner side, one side of the clapboard body (5) facing the engine base (2) forms a motor cooling area (6) positioned at the front end of the rear end cover (1), one side of the clapboard body (5) facing the control box (4) forms a control box cooling area (7) positioned at the rear end of the rear end cover (1), a heat radiation fan (9) connected with a rotor shaft (8) of the motor body (3) is arranged in the motor cooling area (6), the motor cooling area (6) is communicated with the control box cooling area (7), and a flow guide mechanism is arranged between the motor cooling area and the control box cooling area.
2. The heat dissipation structure of the motor according to claim 1, wherein the flow guiding mechanism includes an air inlet structure (10) communicating the outer wall of the control box (4) with the control box cooling area (7) and an air outlet structure (11) communicating the motor cooling area (6) with the outer wall of the base (2), and the partition body (5) is provided with an air duct (12) communicating the control box cooling area (7) with the motor cooling area (6).
3. The motor heat dissipation structure of claim 2, wherein the rear end of the rear end cover (1) is open, the control box (4) is connected to the open end of the rear end cover (1), a plurality of adjacent air inlet heat dissipation strips (13) are arranged on the circumferential outer side of the control box (4), the air inlet structure (10) comprises an air inlet channel (14) arranged between the adjacent air inlet heat dissipation strips (13), an air inlet (15) communicated with the control box cooling area (7) is formed in one end, close to the rear end cover (1), of the air inlet channel (14), and a control box heat dissipation structure (16) located on the end face, facing the partition plate body (5), of the control box (4) is further arranged in the control box cooling area (7).
4. The motor heat dissipation structure according to claim 2, wherein an end plate (17) is disposed at the front end of the rear end cover (1), if a plurality of heat dissipation ribs (18) axially extending and arranged at intervals are disposed on the outer wall of the base (2), an air outlet channel (19) is formed between adjacent heat dissipation ribs (18), the air outlet structure (11) includes an air outlet (20) formed in the end plate (17), the air outlet (20) is communicated with the air outlet channel (19), and the air outlet (20) and the inner cavity of the base (2) are relatively closed.
5. The motor heat dissipation structure according to claim 4, wherein the opening direction of the air outlet (20) is parallel to the extending direction of the air outlet channel (19), and the air outlets (20) are provided in a plurality and are respectively arranged in the circumferential direction of the end plate (17).
6. The motor heat dissipation structure as recited in claim 3, wherein the control box heat dissipation structure (16) comprises a plurality of bar-shaped ribs (21) disposed on an end surface of the control box (4), the bar-shaped ribs (21) are disposed at intervals, an intake air cooling channel (22) is formed between adjacent bar-shaped ribs (21), and the intake air cooling channel (22) is communicated with the intake opening (15).
7. The heat dissipation structure of the motor according to claim 2, wherein the heat dissipation fan (9), the air duct (12) and the rotor shaft (8) are coaxially arranged, the heat dissipation fan (9) comprises a base (23) and a plurality of fan blades (24) arranged on the base (23), the base (23) is in a circular truncated cone shape, the diameter of the base (23) is gradually increased from one end close to the partition plate body (5) to one end close to the motor body (3), the circumferential outer side of the large head end of the base (23) is connected with an annular fan blade body (25), and the fan blades (24) are connected between the inclined planes of the fan blade body (25) and the base (23).
8. The motor heat dissipation structure of claim 7, wherein the rotor shaft (8) penetrates through the middle of the base (23), the rotor shaft (8) penetrates through a rotating shaft hole (26) formed in the rear end cover (1), an annular end cover (27) is arranged at one end, close to the base (23), of the rotating shaft hole (26), a through hole (28) is formed in the middle of the end cover (27), and the diameter of the through hole (28) is smaller than that of the large end of the base (23).
9. The motor heat dissipation structure of claim 8, wherein a gap between an end surface of the fan blade (24) close to the end plate (17) and an end surface of the end plate (17) is 1-2 mm.
10. The heat dissipation structure of an electric motor according to claim 1, wherein the rear end cap (1) is square.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020453881 | 2020-03-31 | ||
| CN2020204538813 | 2020-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212012397U true CN212012397U (en) | 2020-11-24 |
Family
ID=73413508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020514948.XU Active CN212012397U (en) | 2020-03-31 | 2020-04-09 | Motor heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212012397U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045441A1 (en) * | 2022-08-30 | 2024-03-07 | 江苏东成工具科技有限公司 | Electric tool |
-
2020
- 2020-04-09 CN CN202020514948.XU patent/CN212012397U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045441A1 (en) * | 2022-08-30 | 2024-03-07 | 江苏东成工具科技有限公司 | Electric tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208862675U (en) | A kind of no-brush synchronous generator | |
| CN212012397U (en) | Motor heat radiation structure | |
| CN207111476U (en) | Magneto with low noise efficient fan | |
| CN111416478A (en) | Motor heat radiation structure | |
| CN219643715U (en) | Double-air-duct heat radiation structure of generator | |
| CN105570991B (en) | Axis stream cabinet-type air conditioner | |
| CN212115069U (en) | Synchronous non-inductive servo drive control integrated machine | |
| CN211351958U (en) | Frequency conversion integrated motor | |
| CN212155215U (en) | Dry and wet dual-purpose dust collection motor | |
| CN213655204U (en) | Dry and wet dual-purpose electric fan | |
| CN212708133U (en) | Novel autoclave air guide device | |
| CN210612005U (en) | High-speed dust collector motor | |
| CN210041526U (en) | Motor and casing thereof | |
| CN107218234A (en) | Low noise efficient fan applied to magneto | |
| CN217501930U (en) | Air compressor | |
| CN108964351B (en) | Temperature control method for linear motor | |
| CN102957254B (en) | Generator front housing | |
| CN110649766B (en) | Double-suction split-flow type ultra-high-efficiency motor | |
| CN215819226U (en) | Supercharging device of heat dissipation system, heat dissipation system and electric appliance | |
| CN111245139B (en) | Outer rotor motor shell | |
| CN216490065U (en) | Dry-wet dual-purpose motor structure | |
| CN215871028U (en) | Efficient air cooling structure applied to motor | |
| CN210074999U (en) | Efficient cooling system for pump | |
| CN216044639U (en) | Wind scooper for pump and water pump | |
| CN217161287U (en) | Hair-dryer that heat dispersion is good |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 272000 Shengxiang town at the junction of Jiacheng road and Chengxiang Avenue, Jining Economic Development Zone, Jiaxiang County, Jining City, Shandong Province Patentee after: Shandong Zhongke Yaoyi Intelligent Technology Co.,Ltd. Address before: 272000 Shengxiang town at the junction of Jiacheng road and Chengxiang Avenue, Jining Economic Development Zone, Jiaxiang County, Jining City, Shandong Province Patentee before: Shandong zhongkemore Intelligent Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |