CN209844768U - Hall element assembly - Google Patents
Hall element assembly Download PDFInfo
- Publication number
- CN209844768U CN209844768U CN201920798511.0U CN201920798511U CN209844768U CN 209844768 U CN209844768 U CN 209844768U CN 201920798511 U CN201920798511 U CN 201920798511U CN 209844768 U CN209844768 U CN 209844768U
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- hall
- assembly
- hall element
- elastic piece
- element assembly
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Abstract
The utility model discloses a Hall element assembly, which comprises a motor, a PCB (printed circuit board) and a surface-mounted Hall, wherein the surface-mounted Hall is arranged on the PCB close to the output end of the motor, and the Hall element assembly also comprises a fixed bracket and a heat dissipation assembly; the heat dissipation assembly comprises a base, an elastic piece and a movable portion, one end of the elastic piece is connected with the base, the other end of the elastic piece is connected with the movable portion, the base abuts against the surface-mounted Hall, and the movable portion abuts against the fixed support. The two ends of the radiating assembly are respectively abutted against the surface-mounted Hall and the fixed support, the radiating assembly can dissipate heat on the surface-mounted Hall and can also transfer the heat on the surface-mounted Hall to the fixed support, so that the damage of temperature to the surface-mounted Hall is reduced, and the failure rate of the Hall element assembly is reduced; the elastic piece can properly adjust the size of the radiating assembly, reduce the requirement of the radiating assembly on the precision to a certain extent and improve the production efficiency.
Description
Technical Field
The utility model relates to a control technical field especially relates to a hall element subassembly.
Background
The motor with hall element stator steel sheet temperature can reach higher temperature when long-time work, produces great influence to hall circuit's normal work, and too high temperature can lead to hall circuit to damage even, and the motor fault rate appears and repair the phenomenon such as rate is high partially, and the motor element maintenance that has hall element is more troublesome moreover, causes a large amount of wastes on manpower resources and the raw materials.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provided is a Hall element assembly with good heat dissipation performance.
In order to solve the technical problem, the utility model discloses a technical scheme be: a Hall element assembly comprises a motor, a PCB (printed circuit board) and a surface mounted Hall, wherein the surface mounted Hall is arranged on the PCB close to the output end of the motor;
the heat dissipation assembly comprises a base, an elastic piece and a movable portion, one end of the elastic piece is connected with the base, the other end of the elastic piece is connected with the movable portion, the base abuts against the surface-mounted Hall, and the movable portion abuts against the fixed support.
Furthermore, a wedge block is arranged on the fixed support, and the movable part is abutted against the wedge block.
Further, the wedge is made of an aluminum alloy.
Furthermore, a first groove is formed in the wedge block.
Furthermore, a second channel is arranged on the heat dissipation assembly.
Furthermore, the elastic piece is a spring or a shrapnel.
The beneficial effects of the utility model reside in that: the two ends of the radiating assembly are respectively abutted against the surface-mounted Hall and the fixed support, the radiating assembly can dissipate heat on the surface-mounted Hall and can also transfer the heat on the surface-mounted Hall to the fixed support, so that the damage of temperature to the surface-mounted Hall is reduced, and the failure rate of the Hall element assembly is reduced; the elastic piece can properly adjust the size of the radiating assembly, reduce the requirement of the radiating assembly on the precision to a certain extent and improve the production efficiency.
Drawings
Fig. 1 is a schematic view of an overall structure of a hall element assembly according to a first embodiment of the present invention;
fig. 2 is an exploded view of a hall element assembly according to a first embodiment of the present invention;
FIG. 3 is an enlarged view of detail A in FIG. 2;
fig. 4 is a schematic structural view of a heat dissipation assembly according to a first embodiment of the present invention;
fig. 5 is a cross-sectional view of a heat dissipation assembly according to a first embodiment of the present invention.
Description of reference numerals:
1. an electric motor;
2. a PCB board;
3. a surface mount Hall device;
4. fixing a bracket;
41. a wedge block;
42. a first channel;
5. a heat dissipating component;
51. a base;
52. an elastic member;
53. a movable portion;
54. a second channel.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the two ends of the radiating assembly are respectively abutted against the surface mount Hall and the fixed support, the radiating assembly can take away heat on the surface mount Hall, the elastic piece can properly adjust the size of the radiating assembly, and the requirement of the radiating assembly on the precision is reduced to a certain extent.
Referring to fig. 1 to 5, a hall element assembly includes a motor 1, a PCB 2, a surface-mounted hall 3, a fixing bracket 4 and a heat dissipation assembly 5, wherein the surface-mounted hall 3 is disposed on the PCB 2 near an output end of the motor 1, the motor 1 is disposed on the fixing bracket 4, and the fixing bracket 4 is disposed on the PCB 2;
the heat dissipation assembly 5 comprises a base 51, an elastic piece 52 and a movable part 53, wherein one end of the elastic piece 52 is connected with the base 51, the other end of the elastic piece 52 is connected with the movable part 53, the base 51 is abutted on the patch hall 3, and the movable part 53 is abutted on the fixed support 4.
The utility model discloses a structural principle brief follows as follows: the base of the heat dissipation assembly is connected with the movable part through the elastic part, and the height of the heat dissipation assembly can be freely adjusted within a certain range; when the radiating assembly is arranged between the surface mounted device Hall and the fixed support, the structural stability can be kept constantly, and heat on the surface mounted device Hall is taken away.
From the above description, the beneficial effects of the present invention are: the two ends of the radiating assembly are respectively abutted against the surface-mounted Hall and the fixed support, the radiating assembly can dissipate heat on the surface-mounted Hall and can also transfer the heat on the surface-mounted Hall to the fixed support, so that the damage of temperature to the surface-mounted Hall is reduced, and the failure rate of the Hall element assembly is reduced; the elastic piece can properly adjust the size of the radiating assembly, reduce the requirement of the radiating assembly on the precision to a certain extent and improve the production efficiency.
Furthermore, a wedge block 41 is arranged on the fixed bracket 4, and the movable part 53 is abutted against the wedge block 41.
Further, the wedge 41 is made of an aluminum alloy.
From the above description, the wedge made of aluminum alloy has good heat conductivity, and can help the chip hall to quickly dissipate heat.
Further, a first groove 42 is formed on the wedge 41.
Further, a second channel 54 is provided on the heat sink assembly 5.
As can be seen from the above description, the first channel and the second channel can form a specific air duct to increase the heat dissipation rate.
Further, the elastic member 52 is a spring or a spring plate.
Example one
Referring to fig. 1 to 5, a first embodiment of the present invention is: a Hall element assembly comprises a motor 1, a PCB 2 and a surface-mounted Hall 3, wherein the surface-mounted Hall 3 is arranged on the PCB 2 close to the output end of the motor 1, the Hall element assembly also comprises a fixed support 4 and a heat dissipation assembly 5, the motor 1 is arranged on the fixed support 4, and the fixed support 4 is arranged on the PCB 2;
referring to fig. 4 and 5, the heat dissipation assembly 5 includes a base 51, an elastic member 52 and a movable portion 53, one end of the elastic member 52 is connected to the base 51, the other end of the elastic member 52 is connected to the movable portion 53, the base 51 abuts against the chip hall 3, and the movable portion 53 abuts against the fixed bracket 4.
The base 51 and the movable part 53 of the heat dissipation component 5 are connected through the elastic element 52, and the height of the heat dissipation component 5 can be freely adjusted within a certain range; when radiator unit 5 was located between paster hall 3 and size fixed bolster 4, can keep structural stability constantly, reduced the size difference in the individuality of hall element assembly and to radiator unit 5 normal use's influence, radiator unit 5 takes away the heat on the paster hall 3.
The fixed bracket 4 is provided with two wedges 41, and the movable portion 53 abuts against the wedges 41, optionally, referring to fig. 3, the number of the wedges 41 is two, and the two wedges 41 are disposed around the chip hall 3.
It is easy to understand that the number of the heat dissipation assemblies 5 is two, and the heat dissipation assemblies 5 are present between the chip hall 3 and the two wedges 41.
Preferably, the wedge 41 is made of aluminum alloy, the wedge 41 made of aluminum alloy has good heat conductivity, the movable block of the heat dissipation assembly 5 abuts against the wedge 41, and heat on the surface mount hall 3 can be transferred to the fixed bracket 4 for heat dissipation.
In detail, the wedge 41 is provided with a first channel 42, the heat sink 5 is provided with a second channel 54, and specifically, the outer side walls of the base 51 and the movable portion 53 are provided with the second channel 54, and the first channel 42 and the second channel 54 are arranged along the radial direction of the motor 1, so that when the motor 1 rotates, airflow can be formed on the first channel 42 and the second channel 54, which is beneficial to heat dissipation.
Optionally, the elastic element 52 is a spring or a leaf spring.
In summary, in the hall element assembly provided by the present invention, the base and the movable part are connected through the elastic member, and the height of the heat dissipation assembly can be freely adjusted within a certain range; when radiator unit located between paster hall and the fixed bolster, can keep structural stability constantly, reduce hall element assembly's the influence of size difference to radiator unit normal use in individuality, radiator unit takes away the heat on the paster hall, and the air current that forms on first channel and second channel is of value to the heat on the paster hall and scatters and disappears, prevents that paster hall from damaging under the high temperature, reduces the waste on manpower resources and the raw materials.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a hall element assembly, includes motor, PCB board and paster hall, the paster hall is close to the output of motor is located on the PCB board, its characterized in that: the motor is arranged on the fixed support, and the fixed support is arranged on the PCB;
the heat dissipation assembly comprises a base, an elastic piece and a movable portion, one end of the elastic piece is connected with the base, the other end of the elastic piece is connected with the movable portion, the base abuts against the surface-mounted Hall, and the movable portion abuts against the fixed support.
2. The hall element assembly of claim 1 wherein: the fixed support is provided with a wedge block, and the movable part is propped against the wedge block.
3. The hall element assembly of claim 2 wherein: the wedge is made of an aluminum alloy.
4. The hall element assembly of claim 2 wherein: a first channel is arranged on the wedge block.
5. The hall element assembly of claim 1 wherein: and a second channel is arranged on the heat dissipation assembly.
6. The hall element assembly of claim 1 wherein: the elastic piece is a spring or a shrapnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920798511.0U CN209844768U (en) | 2019-05-28 | 2019-05-28 | Hall element assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920798511.0U CN209844768U (en) | 2019-05-28 | 2019-05-28 | Hall element assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209844768U true CN209844768U (en) | 2019-12-24 |
Family
ID=68898209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920798511.0U Active CN209844768U (en) | 2019-05-28 | 2019-05-28 | Hall element assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209844768U (en) |
-
2019
- 2019-05-28 CN CN201920798511.0U patent/CN209844768U/en active Active
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| GR01 | Patent grant |