CN209823543U - Brushless motor heat dissipation back lid - Google Patents
Brushless motor heat dissipation back lid Download PDFInfo
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- CN209823543U CN209823543U CN201920444071.9U CN201920444071U CN209823543U CN 209823543 U CN209823543 U CN 209823543U CN 201920444071 U CN201920444071 U CN 201920444071U CN 209823543 U CN209823543 U CN 209823543U
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- cover body
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- dissipation
- brushless motor
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Abstract
The utility model relates to a lid behind brushless motor heat dissipation, a serial communication port, include: the front surface of the cover body is provided with a heat dissipation groove; the heat dissipation groove protrudes towards the back of the cover body to form a heat dissipation boss, a first heat dissipation rib protruding outwards and radiating is arranged in the middle of the back of the cover body, a second heat dissipation rib is arranged around the first heat dissipation rib and radiating towards the edge, and the rib density of the second heat dissipation rib is greater than that of the first heat dissipation rib; the first connecting port penetrates through the front surface of the cover body and the back surface of the cover body and is arranged close to the edge; the second connecting port penetrates through the front surface of the cover body and the back surface of the cover body, is close to the edge and protrudes towards the front surface of the cover body, and is provided with a plurality of inserting ports; the side wall of the cover body extends outwards and protrudes with a fixing part. The utility model discloses a lid radiating effect is good after brushless motor heat dissipation.
Description
Technical Field
The utility model relates to a brushless motor technical field especially relates to a lid behind brushless motor heat dissipation.
Background
With the continuous progress of motor manufacturing technology, brushless motors with good performance and high efficiency are widely applied in production and life.
Brushless motor relies on control part driving motor to carry out work, when the motor long-term operation or operational environment temperature when too high, thereby control part's components and parts can receive the temperature influence and lead to motor performance reduction even unable work. Because of the special structural characteristics of the brushless motor, the heat dissipation of the control part is mainly realized by the heat dissipation rear cover of the motor. Therefore, those skilled in the art are dedicated to improve the structure of the heat dissipation rear cover of the motor, so that the motor has a better heat dissipation effect, thereby improving the usability of the motor.
In the existing structure, a high-power component of a motor control part is attached to the inner side of a rear cover of a motor, heat is conducted through the contact of the surface of the component and the inner side surface of a shell, heat is transferred to the outside, and meanwhile heat conducting glue can be added to the inner side of the control part and the inner side of the rear cover to assist in heat transfer. However, when the ambient temperature is high or the heat generated by the motor is large, the structure is not suitable for the working condition.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a heat dissipation rear cover for a brushless motor with excellent heat dissipation effect.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a lid behind brushless motor heat dissipation which characterized in that includes: the front surface of the cover body is provided with a heat dissipation groove; the heat dissipation groove protrudes towards the back of the cover body to form a heat dissipation boss, a first heat dissipation rib protruding outwards and radiating is arranged in the middle of the back of the cover body, a second heat dissipation rib is arranged around the first heat dissipation rib and radiating towards the edge, and the rib density of the second heat dissipation rib is greater than that of the first heat dissipation rib; the first connecting port penetrates through the front surface of the cover body and the back surface of the cover body and is arranged close to the edge; the second connecting port penetrates through the front surface of the cover body and the back surface of the cover body, is close to the edge and protrudes towards the front surface of the cover body, and is provided with a plurality of inserting ports; the side wall of the cover body extends outwards and protrudes with a fixing part.
Furthermore, the heat dissipation recess extends to middle part ladder by the edge and is equipped with 3.
Furthermore, the first connecting port is arranged at the edge far away from the heat dissipation groove, and the second connecting port is arranged at the side edge of the heat dissipation groove.
Furthermore, the second connecting port protrudes towards the front surface of the cover body to form a groove on the back surface of the cover body.
Furthermore, the thickness of the ribs of the first heat dissipation ribs is 1-3mm, the first heat dissipation ribs protrude the back of the cover body by 10-20mm, and the interval angle between the ribs of the first heat dissipation ribs is 25-35 degrees.
Furthermore, the thickness of the second radiating ribs is 1-3mm, the height of the second radiating ribs protruding out of the back face of the cover body is consistent with the height of the first radiating ribs, and the interval angle between the ribs of the second radiating ribs is 8-12 degrees.
Furthermore, one surface of the first connecting port facing the back surface of the cover body is provided with an expanded stepped groove.
The beneficial effects of the utility model reside in that: the heat dissipation groove is arranged on the front surface of the cover body, the heat dissipation boss is correspondingly formed on the back surface of the cover body, and the high-power component is placed in the heat dissipation groove, so that the contact area and the heat dissipation area of the component and the cover body are increased, and heat can be led out; the first heat dissipation ribs and the second heat dissipation ribs are arranged on the back surface of the cover body, so that heat generated by the heating component can be further radiated outwards, and the heat dissipation effect is improved; the utility model discloses a lid radiating effect is good after brushless motor heat dissipation.
Drawings
Fig. 1 is a schematic structural diagram of a front surface of a cover body of a heat dissipation rear cover of a brushless motor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a back surface of a cover body of a heat dissipation rear cover of a brushless motor according to an embodiment of the present invention.
Description of reference numerals:
100. the front surface of the cover body; 110. a heat dissipation groove; 200. the back of the cover body; 210. a heat dissipation boss;
220. a first heat dissipation rib; 230. a second heat dissipation rib; 300. a cover body side wall; 310. a fixed part;
400. a first connection port; 410. a stepped groove; 500. a second connection port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, will explain in further detail the structure of a brushless motor heat dissipation rear cover of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-2, a heat dissipation rear cover of a brushless motor is characterized by comprising: the front surface 100 of the cover body is provided with a heat dissipation groove 110; the cover body back 200, the heat dissipation groove 110 protrudes towards the cover body back 200 to form a heat dissipation boss 210, the middle part of the cover body back 200 is provided with a first heat dissipation rib 220 protruding outwards and radiating, a second heat dissipation rib 230 is radiating towards the edge around the first heat dissipation rib 220, and the rib density of the second heat dissipation rib 230 is greater than that of the first heat dissipation rib 220; a first connector 400 disposed through the cover front 100 and the cover back 200 near the edges; a second connection port 500 penetrating the front cover body 100 and the back cover body 200 and protruding toward the front cover body 100 near the edges, the second connection port 500 having a plurality of insertion openings; the cover sidewall 300 has a fixing portion 310 protruding outward.
The heat dissipation groove 110 is arranged on the front surface 100 of the cover body, the heat dissipation boss 210 is correspondingly formed on the back surface 200 of the cover body, and the high-power component is placed in the heat dissipation groove 110, so that the contact area and the heat dissipation area of the component and the cover body are increased, and the heat is led out; the first heat dissipation ribs 220 and the second heat dissipation ribs 230 are arranged on the back surface 200 of the cover body, so that heat generated by the heating component can be further radiated outwards, and the heat dissipation effect is improved; the utility model discloses a lid radiating effect is good after brushless motor heat dissipation.
The first connection port 400 and the second connection port 500 are used for line connection of the control module.
Preferably, the first connector 400 and/or the second connector 500 are filled with thermally conductive silicone. The heat dissipation effect is enhanced.
Referring to fig. 1-2, the height of the heat-dissipating projection 210 protruding from the back surface 200 of the cover is lower than the heights of the first heat-dissipating fins 220 and the second heat-dissipating fins 230. The heat dissipation effect of the heat dissipation boss 210 is enhanced.
Referring to fig. 1-2, preferably, there are 3 heat dissipation grooves 110 extending from the edge to the middle step.
The heat dissipation grooves 110 with different lengths or sizes are formed by extending from the edges to the middle step, so that components with different sizes can be conveniently installed. It is understood that 3 heat dissipation grooves 110 with different lengths or sizes can be formed by extending the edges to the middle step according to the present application, and the components with different sizes can be conveniently mounted according to the spirit of the present application.
Referring to fig. 1-2, the first connection port 400 is disposed away from the edge of the heat dissipation groove 110, and the second connection port 500 is disposed at the side of the heat dissipation groove 110.
The space is effectively utilized, and the components and the parts are convenient to place and connect.
Referring to fig. 1-2, the front surface 100 of the cover body is provided with a circular cutting groove, the heat dissipation groove 110 and the second connection port 500 are located in the circular cutting groove, and the first connection port 400 is located outside the circular cutting groove. Preferably, the first connector 400 is kidney-shaped, and the first connector 400 is parallel to the straight edge of the circular cutting groove.
Referring to fig. 1-2, the second connecting port 500 protrudes toward the front 100 of the cover to form a groove on the back 200 of the cover.
Referring to fig. 1-2, the second connection port 500 is filled with heat conductive silicone rubber protruding toward the front surface 100 of the cover body and formed in the groove formed at the back surface 200 of the cover body.
Preferably, the thickness of the ribs of the first heat dissipation rib 220 is 1-3mm, the height of the first heat dissipation rib 220 protruding the back surface 200 of the cover body is 10-20mm, and the interval angle between the ribs of the first heat dissipation rib 220 is 25-35 degrees.
Preferably, the thickness of the second heat dissipation rib 230 is 1-3mm, the height of the second heat dissipation rib 230 protruding the back 200 of the cover body is the same as the height of the first heat dissipation rib 220, and the interval angle between the ribs of the second heat dissipation rib 230 is 8-12 degrees.
For those skilled in the art, without departing from the principles of the present invention, several improvements and modifications (such as the height and thickness of the first heat sink fins and the second heat sink fins, the spacing angle between the fins, and the distribution positions of the fins and the heat sink grooves, etc.) can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.
Referring to fig. 2, an expanded stepped groove 410 is formed on a surface of the first connector 400 facing the back surface 200 of the cover.
Preferably, the stepped groove 410 is filled with heat conductive silica gel or sealant. The former can improve the heat conduction effect, and the latter can improve the sealing effect, and can be selected according to the needs.
To sum up, the utility model provides a brushless motor heat dissipation back cover, set up power heat dissipation recess at the lid openly, the heat dissipation boss has been formed at the lid back that corresponds to it, and high-power components and parts are laid in heat dissipation recess, have increased the area of contact and the heat dissipation area of components and parts and lid, are favorable to exporting the heat; the first heat dissipation rib and the second heat dissipation rib are arranged on the back face of the cover body, heat generated by the heating component can be further radiated outwards, and the heat dissipation effect is improved. After the structure of the motor radiating rear cover is improved, the radiating effect of the control part can be improved, the motor can be suitable for more application occasions due to the improvement of the radiating effect, and meanwhile, the performance of the motor is less affected by temperature after the radiating effect is improved, so that the motor can work stably and efficiently for a long time. The utility model discloses a lid radiating effect is good after brushless motor heat dissipation.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.
Claims (7)
1. The utility model provides a lid behind brushless motor heat dissipation which characterized in that includes:
the front surface of the cover body is provided with a heat dissipation groove;
the heat dissipation groove protrudes towards the back of the cover body to form a heat dissipation boss, a first heat dissipation rib protruding outwards and radiating is arranged in the middle of the back of the cover body, a second heat dissipation rib is arranged around the first heat dissipation rib and radiating towards the edge, and the rib density of the second heat dissipation rib is greater than that of the first heat dissipation rib;
the first connecting port penetrates through the front surface of the cover body and the back surface of the cover body and is arranged close to the edge;
the second connecting port penetrates through the front surface of the cover body and the back surface of the cover body, is close to the edge and protrudes towards the front surface of the cover body, and is provided with a plurality of inserting ports;
the side wall of the cover body extends outwards and protrudes with a fixing part.
2. The heat-dissipating rear cover for a brushless motor as claimed in claim 1, wherein the heat-dissipating grooves are provided in 3 numbers extending from the edge toward the middle step.
3. The heat dissipation rear cover of a brushless motor according to claim 1, wherein the first connection port is disposed away from an edge of the heat dissipation groove, and the second connection port is disposed at a side of the heat dissipation groove.
4. The heat-dissipating rear cover for a brushless motor as claimed in claim 1, wherein the second connection port protrudes toward the front surface of the cover body to form a groove at the rear surface of the cover body.
5. The heat-dissipation rear cover of the brushless motor as claimed in claim 1, wherein the thickness of the first heat-dissipation ribs is 1-3mm, the first heat-dissipation ribs protrude from the back surface of the cover body by 10-20mm, and the spacing angle between the ribs of the first heat-dissipation ribs is 25-35 degrees.
6. The heat-dissipation rear cover of the brushless motor as claimed in claim 1, wherein the thickness of the second heat-dissipation ribs is 1-3mm, the height of the second heat-dissipation ribs protruding out of the back surface of the cover body is the same as the height of the first heat-dissipation ribs, and the spacing angle between the ribs of the second heat-dissipation ribs is 8-12 degrees.
7. The heat dissipation rear cover of a brushless motor as recited in claim 1, wherein a surface of the first connection port facing the back surface of the cover body is provided with an expanded stepped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920444071.9U CN209823543U (en) | 2019-04-03 | 2019-04-03 | Brushless motor heat dissipation back lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920444071.9U CN209823543U (en) | 2019-04-03 | 2019-04-03 | Brushless motor heat dissipation back lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209823543U true CN209823543U (en) | 2019-12-20 |
Family
ID=68878543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920444071.9U Active CN209823543U (en) | 2019-04-03 | 2019-04-03 | Brushless motor heat dissipation back lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209823543U (en) |
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2019
- 2019-04-03 CN CN201920444071.9U patent/CN209823543U/en active Active
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