CN115296483A - High stable motor that radiating effect is good - Google Patents
High stable motor that radiating effect is good Download PDFInfo
- Publication number
- CN115296483A CN115296483A CN202211192844.1A CN202211192844A CN115296483A CN 115296483 A CN115296483 A CN 115296483A CN 202211192844 A CN202211192844 A CN 202211192844A CN 115296483 A CN115296483 A CN 115296483A
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- Prior art keywords
- stabilizing
- heat dissipation
- wall
- motor
- fan
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/227—Heat sinks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/09—Machines characterised by the presence of elements which are subject to variation, e.g. adjustable bearings, reconfigurable windings, variable pitch ventilators
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to a high-stability motor with good heat dissipation effect, which comprises: the motor comprises a motor body, a transmission shaft, a heat dissipation part and a fan, wherein the transmission shaft penetrates through the middle position in the motor body; a protective plate is arranged on one side, facing the outer wall of the heat dissipation part, of the fan, and a plurality of stabilizing parts are annularly arranged on the outer wall of the protective plate at equal intervals; when the motor rotates at a high speed, the stabilizing part can be inserted into the radiating part, and when the fan rotates, the stabilizing part can abut against the inner wall of the radiating part and can slide and rotate, so that the stability between the fan and the transmission shaft can be effectively improved; when the motor rotates at a high speed for a long time and the fan cannot discharge heat on the end plate, the stabilizing part and the radiating part can collide with each other, so that the stabilizing part and the radiating part synchronously rotate, and the heat exchange effect is achieved.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a high-stability motor with a good heat dissipation effect.
Background
With the continuous development of the society at present and the continuous progress of science and technology, the motor becomes an integral part of people, but because of different use environments of the motor, the motor can be used in a high-power mode for a long time in a specific environment, the motor needs to be radiated in time, and when the rotating speed of the motor is too high, the motor can also generate unstable conditions such as vibration and the like;
therefore, a novel high-stability motor with good heat dissipation effect is manufactured to replace the motor, so that the defects of insufficient heat dissipation effect and insufficient stability in the high-speed rotating process are overcome.
Disclosure of Invention
The invention aims to provide a high-stability motor with a good heat dissipation effect.
In order to solve the above technical problem, the present invention provides a high-stability motor with a good heat dissipation effect, including: the motor comprises a motor body, a transmission shaft, a heat dissipation part and a fan, wherein the transmission shaft penetrates through the middle position in the motor body; a guard plate is arranged on one side, facing the outer wall of the heat dissipation part, of the fan, and a plurality of stabilizing parts are annularly arranged on the outer wall of the guard plate at equal intervals; when the stabilizing part is inserted into the heat radiating part, the fan can drive the stabilizing part to rotate in the heat radiating part; when the fan drives the stabilizing part to rotate, the stabilizing part can abut against the radiating part, so that heat can be brought into the stabilizing part.
Further, the heat dissipation part is including setting up the end plate of motor body outer wall one side, and the annular is seted up trapezoidal annular on the end plate outer wall, wherein the stabilizing part inserts during trapezoidal annular is inside, the fan can drive the stabilizing part is in the inside rotation of trapezoidal annular.
Furthermore, the heat dissipation part also comprises a fin groove arranged at the top end of the inner wall of the trapezoidal ring groove, a plurality of heat dissipation arc plates annularly arranged at the top end inside the trapezoidal ring groove, and fins arranged on the outer walls of the heat dissipation arc plates, wherein the fins are suitable for being clamped into the fin groove; wherein start the motor body, the inside heat of end plate can transmit to the inside of heat dissipation arc board.
Furthermore, a sliding groove is formed in the middle of the bottom end of the outer wall of the heat dissipation arc plate, a through pipe is arranged on one side of the bottom end of the outer wall of the heat dissipation arc plate, and the through pipe extends into the heat dissipation arc plate; wherein the heat dissipation arc plate is in a hollow design.
Further, the through pipe is made of flexible materials.
Furthermore, the stabilizing part comprises a plurality of stabilizing arc blocks which are arranged on one side of the outer wall of the guard plate at equal intervals, a compression groove which is arranged on one side of the stabilizing arc blocks, and a stabilizing ball which is rotatably connected in the compression groove and is suitable for abutting against the inner wall of the trapezoidal ring groove; wherein when the stable arc block is inserted into the trapezoidal annular groove, the fan is driven, and the stabilizing ball can slide on the inner wall of the trapezoidal annular groove.
Furthermore, a through hole is formed in the other side of the top end of the outer wall of the stabilizing arc block, a baffle is arranged inside the stabilizing arc block, and the baffle extends into the compression groove and is in contact with the stabilizing ball; wherein the stable arc piece is in when the inside slip of trapezoidal annular just radially expands, the ball of stabilizing contradicts the baffle, so that the baffle can open the opening of through-hole.
Furthermore, the stabilizing part also comprises a sliding rod arranged on one side of the top end of the outer wall of the stabilizing arc block; the fan is driven, and the stable arc block can slide in the trapezoidal ring groove and radially expand so that the sliding rod can be clamped in the sliding groove; when the sliding rod is clamped into the sliding groove, the through pipe can be inserted into the through hole.
Furthermore, when the sliding rod is clamped into the sliding groove, the sliding rod can drive the heat dissipation arc plate and the stabilizing arc block to synchronously rotate.
Further, a protective cover is arranged on the outer wall of the end plate and is suitable for covering the fan.
The motor has the advantages that the stabilizing part can be inserted into the radiating part in the high-speed rotating process of the motor, and when the fan rotates, the stabilizing part can abut against the inner wall of the radiating part and can slide and rotate, so that the stability between the fan and the transmission shaft can be effectively improved;
when the motor rotates at a high speed for a long time and the fan cannot discharge heat on the end plate, the stabilizing part and the radiating part can collide with each other, so that the stabilizing part and the radiating part synchronously rotate, and the heat exchange effect is achieved.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
Fig. 1 is a perspective view of a preferred embodiment of a highly stable motor with good heat dissipation according to the present invention;
fig. 2 is a front sectional view of a preferred embodiment of a high-stability motor with a good heat dissipation effect according to the present invention;
FIG. 3 is an enlarged view of the structure of the preferred embodiment of the present invention at A in FIG. 2;
fig. 4 is a top view of a preferred embodiment of the heat sink portion of the present invention.
In the figure:
the device comprises a motor body 1, a transmission shaft 2 and a protective cover 3;
the heat dissipation part 5, the end plate 51, the trapezoidal ring groove 511, the fin groove 512, the heat dissipation arc plate 52, the fins 521, the sliding groove 522 and the through pipe 523;
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Referring to fig. 1 to 4, a high-stability motor with good heat dissipation effect includes: the motor comprises a motor body 1, a transmission shaft 2, a heat dissipation part 5 and a fan 4, wherein the fan 4 is sleeved on the outer wall of the transmission shaft 2, a protection plate 41 is arranged on one side of the fan 4 facing the outer wall of the heat dissipation part 5, and a plurality of stabilizing parts 6 are annularly arranged on the outer wall of the protection plate 41 at equal intervals, so that the stabilizing parts 6 can be inserted into the heat dissipation part 5 in the process of high-speed rotation of the motor, and when the fan 4 rotates, the stabilizing parts 6 can abut against the inner wall of the heat dissipation part 5 and rotate in a sliding manner, and the stability between the fan 4 and the transmission shaft 2 can be effectively improved; when the motor rotates at a high speed for a long time and the fan 4 cannot discharge heat from the end plate 51, the stabilizing portion 6 and the heat radiating portion 5 can collide with each other at this time, so that the stabilizing portion 6 and the heat radiating portion 5 rotate synchronously, and the effect of heat exchange is achieved; the above components are described in detail below.
The protective cover 3 is fixed on the outer wall of the heat dissipation part 5, the interior of the protective cover is hollow, and the fan 4 can be further installed inside the protective cover 3, so that external foreign matters can be filtered through the protective cover 3, and the fan 4 is prevented from being damaged by directly hitting the fan 4 by the external foreign matters;
and fan 4 and install backplate 41 between fan 4 itself and all overlap and establish on transmission shaft 2, when transmission shaft 2 was rotatory in motor body 1's inside, transmission shaft 2 can drive simultaneously and take place rotatoryly between fan 4 and the backplate 41, and then reaches the radiating effect to motor body 1.
The heat dissipation part 5 is arranged between the motor body 1 and the protective cover 3, when the motor body 1 rotates at a high speed to generate heat, the heat in the motor body 1 can be directly transferred into the heat dissipation part 5, so that the effect of dissipating the heat inside the motor body 1 is realized, and then the heat gathered in the heat dissipation part 5 is taken away through the fan 4;
the structure of the heat dissipation member 5 will be described specifically below, and the heat dissipation member 5 includes: the motor comprises an end plate 51 arranged on one side of the outer wall of the motor body 1, and a trapezoidal ring groove 511 annularly formed in the outer wall of the end plate 51, wherein the end plate 51 is arranged between the motor body 1 and the protective cover 3, so that components inside the motor body 1 can be isolated from the outside by the end plate 51, and when heat is generated by the motor body 1, the heat can be directly transferred to the end plate 51 and then taken away by the fan 4;
the heat dissipation part 5 further comprises a fin slot 512 formed at the top end of the inner wall of the trapezoidal ring slot 511, a plurality of heat dissipation arc plates 52 annularly arranged at the top end of the inner part of the trapezoidal ring slot 511, and fins 521 arranged on the outer wall of the heat dissipation arc plates 52, wherein the fins 521 are suitable for being clamped into the fin slot 512; because the end plate 51 is annularly provided with the trapezoidal ring groove 511, the fin groove 512 on the trapezoidal ring groove 511 is matched with the fins 521 on the heat dissipation arc plate 52, and the fins 521 can be directly clamped into the fin groove 512 and are in sliding connection, by the design, when heat is transferred to the end plate 51, the contact area between the end plate 51 and the heat dissipation arc plate 52 is increased, and further, the heat can be rapidly transferred from the end plate 51 to the heat dissipation arc plate 52;
a sliding groove 522 is formed in the middle position of the bottom end of the outer wall of the heat dissipation arc plate 52, a through pipe 523 is arranged on one side of the bottom end of the outer wall of the heat dissipation arc plate 52, the through pipe 523 extends into the heat dissipation arc plate 52, when the motor body 1 runs at a high speed for a long time and the heat on the end plate 51 and the heat dissipation arc plate 52 cannot be timely taken away by the fan 4, the stabilizing part 6 at this time is radially expanded in the trapezoidal ring groove 511 under the action of centrifugal force until the stabilizing part 6 is clamped into the sliding groove 522, the stabilizing part 6 at this time can drive the heat dissipation arc plate 52 to synchronously rotate along the same direction, and then the through pipe 523 can be directly clamped into the stabilizing part 6, so that the heat is exchanged into the stabilizing part 6, and the heat dissipation performance of the motor body 1 is improved;
it should be noted that: siphunculus 523 is made by flexible material, because stabilizer 6 is at the in-process of card income sliding tray 522, it is less specifically between the top end face of stabilizer 6 and the bottom face of heat dissipation arc plate 52, siphunculus 523 receive the extrusion on stabilizer 6 top to take place deformation and be compression state this moment, only stabilizer 6 goes into the inside back of sliding tray 522 completely, the opening of siphunculus 523 and stabilizer 6 coincides each other this moment, and then siphunculus 523 can stretch into in the opening, open the opening, realize heat exchange's effect.
Stabilizer 6
The stabilizing part 6 can extend into the trapezoidal ring groove 511, and the stabilizing part 6 can slide and rotate in the trapezoidal ring groove 511 in the rotating process of the fan 4 and the transmission shaft 2, so that the limiting effect is achieved, the stability under high-speed operation is ensured, and the stabilizing part 6 can be matched with the heat dissipation arc plate 52 to achieve the effect of heat exchange;
the structure of the stabilizer 6 is described in detail below, and the stabilizer 6 includes: the stabilizing arc blocks 62 are arranged on one side of the outer wall of the guard plate 41 at equal intervals, the compression groove 621 is formed on one side of the stabilizing arc blocks 62, and the stabilizing ball 61 is rotatably connected in the compression groove 621 and is suitable for abutting against the inner wall of the trapezoidal ring groove 511; the outer wall of the guard plate 41 is provided with the plurality of stabilizing arc blocks 62, the stabilizing arc blocks 62 can extend into the trapezoidal ring groove 511, and the stabilizing balls 61 on the stabilizing arc blocks 62 can be rotatably arranged on the inner wall of the trapezoidal ring groove 511, so that when the fan 4 and the transmission shaft 2 drive the stabilizing arc blocks 62 to rotate, the stabilizing arc blocks 62 and the stabilizing balls 61 can be radially expanded along the inner wall of the trapezoidal ring groove 511 under the action of centrifugal force, and because the cross section of the trapezoidal ring groove 511 is in a trapezoidal design, when the rotating speed is higher, the stabilizing balls 61 and the trapezoidal ring groove 511 are attached more tightly, the stability of the motor in the use process can be ensured, and the phenomenon of shaking cannot occur;
wherein, a baffle 63 is arranged inside the stabilizing arc block 62, and the baffle 63 extends to the inside of the compression groove 621 and contacts with the stabilizing ball 61; in the process that the stabilizing arc block 62 drives the stabilizing ball 61 to expand along the trapezoidal ring groove 511, the stabilizing ball 61 relatively presses the compression groove 621, so that the baffle 63 in the compression groove 621 can slide towards the inner wall of the stabilizing arc block 62, and the baffle 63 opens the bottom opening of the through hole 623;
the stabilizing part 6 further comprises a sliding rod 622 arranged on one side of the top end of the outer wall of the stabilizing arc block 62, and a through hole 623 arranged on the other side of the top end of the outer wall of the stabilizing arc block 62; when the rotating speed of the motor body 1 is too high, the centrifugal force applied to the stabilizing arc block 62 is too large, and the centrifugal force is expanded to the maximum value in the trapezoidal ring groove 511, so that the sliding rod 622 on the stabilizing arc block 62 can abut against the heat dissipation arc plate 52, in the process of continuously rotating the stabilizing arc block 62, the sliding rod 622 can be clamped into the sliding groove 522 sooner or later, and when the sliding rod 622 is clamped into the lowest end of the sliding groove 522, the heat dissipation arc plate 52 and the stabilizing arc block 62 synchronously rotate under the action of the sliding rod 622, so that the compressed through pipe 523 can be overlapped with the through hole 623, so that the through pipe 523 extends into the through hole 623, and the effect of opening the through hole 623 is achieved;
it should be noted that: after the siphunculus 523 stretched into the inside of through-hole 623, because the inside coolant liquid of stabilizing arc piece 62 receives the effect of centrifugal force and can throw away from the inside of through-hole 623, and then can get into the inside of siphunculus 523, and with siphunculus 523 rush get into heat dissipation arc board 52 in, realize heat exchange's effect, can realize the effect of cooling at the end plate 51 to the rotatory motor body 1 at a high speed.
In light of the foregoing description of the preferred embodiment of the present invention, it is to be understood that various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a high stable motor that radiating effect is good which characterized in that includes: the motor comprises a motor body (1), a transmission shaft (2) penetrating through the middle position in the motor body (1), a heat dissipation part (5) arranged on one side of the outer wall of the motor body (1), and a fan (4) arranged on one side of the heat dissipation part (5), wherein the fan (4) is sleeved on the outer wall of the transmission shaft (2);
a protective plate (41) is arranged on one side, facing the outer wall of the heat dissipation part (5), of the fan (4), and a plurality of stabilizing parts (6) are annularly arranged on the outer wall of the protective plate (41) at equal intervals; wherein
When the stabilizing part (6) is inserted into the heat radiating part (5), the fan (4) can drive the stabilizing part (6) to rotate in the heat radiating part (5);
when the fan (4) drives the stabilizing part (6) to rotate, the stabilizing part (6) can abut against the heat radiating part (5), so that heat can be brought into the stabilizing part (6).
2. A highly stable motor with good heat dissipation effect as recited in claim 1,
the heat dissipation part (5) comprises an end plate (51) arranged on one side of the outer wall of the motor body (1), and a trapezoidal ring groove (511) formed in the outer wall of the end plate (51) in an annular mode, wherein
When the stabilizing part (6) is inserted into the trapezoidal ring groove (511), the fan (4) can drive the stabilizing part (6) to rotate inside the trapezoidal ring groove (511).
3. A highly stable motor with good heat dissipation effect as recited in claim 2,
the heat dissipation part (5) further comprises a fin groove (512) formed in the top end of the inner wall of the trapezoidal ring groove (511), a plurality of heat dissipation arc plates (52) annularly arranged on the top end of the inner portion of the trapezoidal ring groove (511), and fins (521) arranged on the outer wall of the heat dissipation arc plates (52), wherein the fins (521) are suitable for being clamped into the fin groove (512); wherein
And starting the motor body (1), wherein the heat in the end plate (51) can be transferred to the heat dissipation arc plate (52).
4. A high-stability motor with good heat dissipation effect as claimed in claim 3,
a sliding groove (522) is formed in the middle of the bottom end of the outer wall of the heat dissipation arc plate (52), a through pipe (523) is arranged on one side of the bottom end of the outer wall of the heat dissipation arc plate (52), and the through pipe (523) extends into the heat dissipation arc plate (52); wherein
The heat dissipation arc plate (52) is in a hollow design.
5. A highly stable motor with good heat dissipation effect as recited in claim 4,
the through pipe (523) is made of flexible materials.
6. A highly stable motor with good heat dissipation effect as recited in claim 5,
the stabilizing part (6) comprises a plurality of stabilizing arc blocks (62) which are arranged on one side of the outer wall of the guard plate (41) at equal intervals, a compression groove (621) which is arranged on one side of the stabilizing arc blocks (62), and a stabilizing ball (61) which is rotatably connected inside the compression groove (621), wherein the stabilizing ball (61) is suitable for abutting against the inner wall of the trapezoidal ring groove (511); wherein
When the stabilizing arc block (62) is inserted into the trapezoidal ring groove (511), the fan (4) is driven, and the stabilizing ball (61) can slide on the inner wall of the trapezoidal ring groove (511).
7. A highly stable motor with good heat dissipation effect as recited in claim 6,
a through hole (623) is formed in the other side of the top end of the outer wall of the stabilizing arc block (62), a baffle (63) is arranged inside the stabilizing arc block (62), and the baffle (63) extends into the compression groove (621) and is in contact with the stabilizing ball (61); wherein
When the stabilizing arc block (62) slides in the trapezoidal ring groove (511) and expands radially, the stabilizing ball (61) abuts against the baffle (63) so that the baffle (63) can open the opening of the through hole (623).
8. A highly stable motor with good heat dissipation effect as recited in claim 7,
the stabilizing part (6) also comprises a sliding rod (622) arranged on one side of the top end of the outer wall of the stabilizing arc block (62); wherein
Driving the fan (4), the stable arc block (62) can slide in the inner part of the trapezoidal ring groove (511) and expand radially, so that the sliding rod (622) can be clamped in the inner part of the sliding groove (522);
when the sliding rod (622) is clamped into the sliding groove (522), the through pipe (523) can be inserted into the through hole (623).
9. A highly stable motor with good heat dissipation effect as recited in claim 8,
when the sliding rod (622) is clamped into the sliding groove (522), the sliding rod (622) can drive the heat dissipation arc plate (52) and the stabilizing arc block (62) to rotate synchronously.
10. A high-stability motor with good heat dissipation effect as claimed in claim 9,
a protective cover (3) is arranged on the outer wall of the end plate (51), and the protective cover (3) is suitable for covering the fan (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211192844.1A CN115296483B (en) | 2022-09-28 | 2022-09-28 | High stable motor that radiating effect is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211192844.1A CN115296483B (en) | 2022-09-28 | 2022-09-28 | High stable motor that radiating effect is good |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115296483A true CN115296483A (en) | 2022-11-04 |
| CN115296483B CN115296483B (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211192844.1A Active CN115296483B (en) | 2022-09-28 | 2022-09-28 | High stable motor that radiating effect is good |
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| Country | Link |
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| CN (1) | CN115296483B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117213413A (en) * | 2023-11-07 | 2023-12-12 | 玻尔兹曼（广州）科技有限公司 | Anti-interference type coating thickness measuring device based on X rays |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048540A (en) * | 2019-05-22 | 2019-07-23 | 诸暨市合纵科技有限公司 | A kind of generator convenient for heat dissipation |
| CN111769673A (en) * | 2020-05-18 | 2020-10-13 | 华为技术有限公司 | Motor rotor, motor and car |
| CN215528803U (en) * | 2021-04-20 | 2022-01-14 | 常州市桑豪车辆配件有限公司 | Direct current motor with good heat dissipation effect |
-
2022
- 2022-09-28 CN CN202211192844.1A patent/CN115296483B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110048540A (en) * | 2019-05-22 | 2019-07-23 | 诸暨市合纵科技有限公司 | A kind of generator convenient for heat dissipation |
| CN111769673A (en) * | 2020-05-18 | 2020-10-13 | 华为技术有限公司 | Motor rotor, motor and car |
| CN215528803U (en) * | 2021-04-20 | 2022-01-14 | 常州市桑豪车辆配件有限公司 | Direct current motor with good heat dissipation effect |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117213413A (en) * | 2023-11-07 | 2023-12-12 | 玻尔兹曼（广州）科技有限公司 | Anti-interference type coating thickness measuring device based on X rays |
| CN117213413B (en) * | 2023-11-07 | 2024-01-09 | 玻尔兹曼（广州）科技有限公司 | Anti-interference type coating thickness measuring device based on X rays |
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| Publication number | Publication date |
|---|---|
| CN115296483B (en) | 2022-12-13 |
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