CN209117038U - A kind of magnetic coding hall effect sensor - Google Patents
A kind of magnetic coding hall effect sensor Download PDFInfo
- Publication number
- CN209117038U CN209117038U CN201822070497.0U CN201822070497U CN209117038U CN 209117038 U CN209117038 U CN 209117038U CN 201822070497 U CN201822070497 U CN 201822070497U CN 209117038 U CN209117038 U CN 209117038U
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- Prior art keywords
- heat
- rotation axis
- main body
- dissipating pipe
- semiconductor
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- 230000005355 Hall effect Effects 0.000 title claims abstract description 20
- 239000004065 semiconductor Substances 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 230000017525 heat dissipation Effects 0.000 claims abstract description 14
- 241000883990 Flabellum Species 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 239000000741 silica gel Substances 0.000 claims 1
- 229910002027 silica gel Inorganic materials 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 239000004519 grease Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The utility model relates to a kind of magnetic to encode hall effect sensor, including main body, rotation axis, impeller, magnet, semiconductor and conducting wire, the rotation axis and conducting wire are located at the two sides of main body, one end of the rotation axis is arranged in main body, the impeller is arranged in main body, the impeller installation is on the rotating shaft, the magnet is fixed on the inner wall of close rotation axis side of main body, the semiconductor is arranged on the inner wall of separate rotation axis side of main body, the impeller is arranged between magnet and semiconductor, the conducting wire is connect with semi-conductor electricity, the magnet and semiconductor face are arranged, cooling mechanism is equipped in the main body, the cooling mechanism includes accessory part and at least two radiating subassemblies, the radiating subassembly is circumferentially uniformly distributed centered on the axis of rotation axis, the radiating subassembly includes heat-dissipating pipe, the magnetic is compiled Code hall effect sensor realizes the effect of heat dissipation by cooling mechanism.
Description
Technical field
The utility model relates to sensor field, in particular to a kind of magnetic encodes hall effect sensor.
Background technique
Hall sensor is one kind of sensor, and Hall sensor is a kind of magnetic field sensing made according to Hall effect
Device, when electric current passes through semiconductor perpendicular to external magnetic field, carrier deflects, and can generate perpendicular to the direction in electric current and magnetic field
One additional electric field, to generate potential difference at the both ends of semiconductor, this phenomenon is exactly Hall effect, this potential difference is also claimed
For Hull voltage, also referred to as Hall voltage, therefore the Hall voltage of generation is converted by the variation in magnetic field and can be used to lead to
The form of the signal of news, transimission and storage, Hall sensor is commonly used to detection revolving speed.
Hall voltage in existing Hall sensor is proportional to control electric current and magnetic induction intensity, in practical applications,
It always wants to obtain biggish Hall voltage to be convenient for expanding signal, although increasing control electric current can be improved the defeated of Hall voltage
Out, but control electric current is too big, and the power consumption of element is consequently increased, and increases so as to cause the temperature of element, in some instances it may even be possible to burn member
Part reduces the practicability of Hall sensor.
Utility model content
Technical problem to be solved by the utility model is: for overcome the deficiencies in the prior art, a kind of magnetic coding is provided suddenly
That effect sensor.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of magnetic encodes hall effect sensor,
Including main body, rotation axis, impeller, magnet, semiconductor and conducting wire, the rotation axis and conducting wire are located at the two sides of main body, institute
The one end for stating rotation axis is arranged in main body, and the impeller is arranged in main body, and the impeller is installed on the rotating shaft, the magnetic
On the inner wall of the close rotation axis side of main body, the semiconductor is arranged in the separate rotation axis side of main body for ferropexy
On wall, the impeller is arranged between magnet and semiconductor, and the conducting wire is connect with semi-conductor electricity, and the magnet and semiconductor are just
To setting, cooling mechanism is equipped in the main body；
The cooling mechanism includes accessory part and at least two radiating subassemblies, and the radiating subassembly is with the axis of rotation axis
Centered on be circumferentially uniformly distributed, the radiating subassembly includes heat-dissipating pipe, and the heat-dissipating pipe is parallel with rotation axis, the two of the main body
Side is equipped at least two through-holes, and the quantity of the through-hole and the quantity of radiating subassembly are equal, the through-hole and radiating subassembly one
One is corresponding, and the through-hole and heat-dissipating pipe are coaxially disposed, and the heat-dissipating pipe is located at the inside of through-hole, the periphery of the heat-dissipating pipe with lead to
The inner wall in hole is tightly connected, and the side of the separate rotation axis of one end and main body of the separate rotation axis of the heat-dissipating pipe is in same
Plane, the side of the separate conducting wire of the accessory part setting main body.
Preferably, in order to realize function that air in heat-dissipating pipe flows, the accessory part includes flabellum and protective cover,
The protective cover is fixed in main body, and the protective cover is arranged on the rotating shaft, and the flabellum installation is on the rotating shaft, described to dissipate
One end of the close rotation axis of heat pipe and flabellum are arranged in protective cover, and the protective cover is equipped at least two connecting holes,
The connecting hole is uniformly arranged on protective cover.
Preferably, in order to improve heat dissipation effect, the heat-dissipating pipe is equipped with several heat-conductive assemblies, the heat-conductive assembly packet
Several heat-conducting units are included, the heat-conducting unit is circumferentially uniformly distributed along the axis of heat-dissipating pipe, and the heat-conducting unit includes two
Thermally conductive sheet, two thermally conductive sheet distributions are located at the two sides of heat-dissipating pipe, and the minimum range between two thermally conductive sheets is less than the interior of heat-dissipating pipe
Diameter, the maximum distance of two cooling fins are greater than the outer diameter of heat-dissipating pipe.
Preferably, in order to improve the heat absorption capacity of thermally conductive sheet, the shape of the side of the separate heat-dissipating pipe of the thermally conductive sheet
For zigzag.
Preferably, in order to further increase the heat absorption capacity of thermally conductive sheet, the making material of the thermally conductive sheet is aluminium.
Preferably, being coated with thermal grease in the main body to further increase heat dissipation effect.
The utility model has the beneficial effects that the magnetic, which encodes hall effect sensor, realizes heat dissipation by cooling mechanism
Effect, compared with existing cooling mechanism, the cooling mechanism is more environmentally-friendly without being driven by electricity, and flabellum and rotation axis are real
Synchronous rotation is showed, rotation axis revolving speed gets over block, and the heat generated in main body is higher, and the revolving speed of flabellum also gets over block, heat-sinking capability
Also stronger, so that heat-sinking capability and main intracorporal temperature is formd direct ratio, ingenious in design, practicability is higher.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the magnetic coding hall effect sensor of the utility model；
Fig. 2 is the cross-sectional view of the magnetic coding hall effect sensor of the utility model；
In figure: 1. main bodys, 2. transmission shafts, 3. impellers, 4. magnet, 5. semiconductors, 6. conducting wires, 7. heat-dissipating pipes, 8. flabellums, 9.
Protective cover, 10. thermally conductive sheets.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
As shown in Figure 1, a kind of magnetic encodes hall effect sensor, including main body 1, rotation axis 2, impeller 3, magnet 4, partly lead
Body 5 and conducting wire 6, the rotation axis 2 and conducting wire 6 are located at the two sides of main body 1, and one end of the rotation axis 2 is arranged in main body 1
Interior, the impeller 3 is arranged in main body 1, and the impeller 3 is mounted in rotation axis 2, and the magnet 4 is fixed on the close of main body 1
On the inner wall of 2 side of rotation axis, the semiconductor 5 is arranged on the inner wall of 2 side of separate rotation axis of main body 1, the impeller 3
It is arranged between magnet 4 and semiconductor 5, the conducting wire 6 is electrically connected with semiconductor 5, and the magnet 4 is arranged with 5 face of semiconductor,
Cooling mechanism is equipped in the main body 1；
Transmission shaft 2 is connect with equipment with angular speed output function such as motors, has angular speed defeated by motor etc.
The equipment operation of function out, rotates rotation axis 2, and the rotation impeller 3 of rotation axis 2 rotates, and makes semiconductor 5 by conducting wire 6
It is powered, when in the air gap that 3 blade of impeller is between magnet 4 and Hall integrated circuit, the magnetic field that magnet 4 generates, which is deviateed, is partly led
Body 5, Hall voltage disappear, and the revolving speed of impeller 3 can be calculated by the changed frequency of Hall voltage, to realize
The revolving speed of the equipment with angular speed output function such as motor is detected, meanwhile, which is made in main body 1 by cooling mechanism
Heat discharge, has achieved the effect that heat dissipation.
As shown in Fig. 2, the cooling mechanism includes accessory part and at least two radiating subassemblies, the radiating subassembly is to turn
It is circumferentially uniformly distributed centered on the axis of moving axis 2, the radiating subassembly includes heat-dissipating pipe 7, and the heat-dissipating pipe 7 and rotation axis 2 are flat
Row, the two sides of the main body 1 are equipped at least two through-holes, and the quantity of the through-hole and the quantity of radiating subassembly are equal, described
Through-hole and radiating subassembly correspond, and the through-hole and heat-dissipating pipe 7 are coaxially disposed, and the heat-dissipating pipe 7 is located at the inside of through-hole, institute
The inner wall of the periphery and through-hole of stating heat-dissipating pipe 7 is tightly connected, and one end of the separate rotation axis 2 of the heat-dissipating pipe 7 is remote with main body 1
Side from rotation axis 2 is in same plane, the side of the separate conducting wire 6 of the accessory part setting main body 1.
When the sensor in use, semiconductor 5 generates heat, can be absorbed in main body 1 by heat-dissipating pipe 7 hot
Amount, then run by radiating subassembly, make the air guided flowing in heat-dissipating pipe 7, the heat on heat-dissipating pipe 7 is made by the flowing of air
Amount discharge, to realize the function of heat dissipation.
Preferably, the function in order to realize air flowing in heat-dissipating pipe 7, the accessory part include flabellum 8 and protection
Cover 9, the protective cover 9 is fixed on the body 1, and the protective cover 9 is set in rotation axis 2, and the flabellum 8 is mounted on rotation axis
On 2, one end of the close rotation axis 2 of the heat-dissipating pipe 7 and flabellum 8 are arranged in protective cover 9, and the protective cover 9 is equipped with
At least two connecting holes, the connecting hole are uniformly arranged on protective cover 9, and the rotation of rotation axis 2 drives flabellum 8 to rotate, and are passed through
The rotation of flabellum 8 flows air, so that the air in heat-dissipating pipe 7 be made to realize directed flow, realizes air stream in heat-dissipating pipe 7
Dynamic function.
Preferably, in order to improve heat dissipation effect, the heat-dissipating pipe 7 is equipped with several heat-conductive assemblies, the heat-conductive assembly
Including several heat-conducting units, the heat-conducting unit is circumferentially uniformly distributed along the axis of heat-dissipating pipe 7, and the heat-conducting unit includes two
A thermally conductive sheet 10, two distributions of thermally conductive sheet 10 are located at the two sides of heat-dissipating pipe 7, and the minimum range between two thermally conductive sheets 10, which is less than, to be dissipated
The internal diameter of heat pipe 7, the maximum distance of two cooling fins are greater than the outer diameter of heat-dissipating pipe 7, and thermally conductive sheet 10 has good thermal conductivity, leads to
Crossing thermally conductive sheet 10 can be improved the ability that the heat-dissipating pipe 7 absorbs heat in main body 1, to improve heat dissipation effect.
Preferably, in order to improve the capacity of heat transmission of thermally conductive sheet 10, the side of the separate heat-dissipating pipe 7 of the thermally conductive sheet 10
Shape is zigzag, the smooth area of air in thermally conductive sheet 10 and main body can be improved by zigzag, to improve thermally conductive
The capacity of heat transmission of piece 10.
Preferably, in order to further increase the capacity of heat transmission of thermally conductive sheet 10, the making material of the thermally conductive sheet 10 is
The heating conduction of aluminium, aluminium is strong, can further thermally conductive sheet 10 the capacity of heat transmission.
Preferably, being coated with thermal grease in the main body 1, thermal grease has to further increase heat dissipation effect
Good thermal diffusivity can be improved the heat-sinking capability of main body 1, further improve heat dissipation effect.
The magnetic encodes hall effect sensor when in use, and semiconductor 5 generates heat, and master can be absorbed by heat-dissipating pipe 7
Heat in body 1 can be improved the ability that the heat-dissipating pipe 7 absorbs heat in main body 1 by thermally conductive sheet 10, and pass through rotation axis 2
Rotation rotate flabellum 8, flow air by the rotation of flabellum 8, so that air in heat-dissipating pipe 7 be made to realize oriented flow
It is dynamic, the heat on heat-dissipating pipe 7 is discharged by the flowing of air, to realize the function of heat dissipation.
Compared with prior art, magnetic coding hall effect sensor realizes the effect of heat dissipation by cooling mechanism, with
Existing cooling mechanism is compared, and the cooling mechanism is more environmentally-friendly without being driven by electricity, and flabellum 8 and rotation axis 2 realize together
Step rotation, 2 revolving speed of rotation axis get over block, and the heat generated in main body 1 is higher, and the revolving speed of flabellum 8 also gets over block, and heat-sinking capability is also got over
By force, the temperature in heat-sinking capability and main body 1 is made to form direct ratio, ingenious in design, practicability is higher.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (6)
1. a kind of magnetic encodes hall effect sensor, including main body (1), rotation axis (2), impeller (3), magnet (4), semiconductor
(5) and conducting wire (6), the rotation axis (2) and conducting wire (6) are located at the two sides of main body (1), one end of the rotation axis (2)
Setting is in main body (1), and in main body (1), the impeller (3) is mounted on rotation axis (2), described for impeller (3) setting
Magnet (4) is fixed on the inner wall of close rotation axis (2) side of main body (1), and the semiconductor (5) is arranged in main body (1)
On inner wall far from rotation axis (2) side, the impeller (3) is arranged between magnet (4) and semiconductor (5), the conducting wire (6)
It is electrically connected with semiconductor (5), the magnet (4) and semiconductor (5) face are arranged, which is characterized in that are equipped in the main body (1)
Cooling mechanism；
The cooling mechanism includes accessory part and at least two radiating subassemblies, and the radiating subassembly is with the axis of rotation axis (2)
Centered on be circumferentially uniformly distributed, the radiating subassembly includes heat-dissipating pipe (7), and the heat-dissipating pipe (7) is parallel with rotation axis (2), institute
The two sides for stating main body (1) are equipped at least two through-holes, and the quantity of the through-hole and the quantity of radiating subassembly are equal, the through-hole
It is corresponded with radiating subassembly, the through-hole and heat-dissipating pipe (7) are coaxially disposed, and the heat-dissipating pipe (7) is located at the inside of through-hole, institute
The inner wall of the periphery and through-hole of stating heat-dissipating pipe (7) is tightly connected, one end of the separate rotation axis (2) of the heat-dissipating pipe (7) and master
The side of the separate rotation axis (2) of body (1) is in same plane, the separate conducting wire (6) of accessory part setting main body (1)
Side.
2. magnetic as described in claim 1 encodes hall effect sensor, which is characterized in that the accessory part includes flabellum
(8) it is fixed on main body (1) with protective cover (9), the protective cover (9), the protective cover (9) is set on rotation axis (2), institute
It states flabellum (8) to be mounted on rotation axis (2), one end of the close rotation axis (2) of the heat-dissipating pipe (7) and flabellum (8) are respectively provided with
In protective cover (9), the protective cover (9) is equipped at least two connecting holes, and the connecting hole is uniformly arranged on protective cover (9)
On.
3. magnetic as described in claim 1 encodes hall effect sensor, which is characterized in that the heat-dissipating pipe (7) is if be equipped with
Dry heat-conductive assembly, the heat-conductive assembly include several heat-conducting units, and the heat-conducting unit is circumferentially equal along the axis of heat-dissipating pipe (7)
Even distribution, the heat-conducting unit include two thermally conductive sheets (10), and two thermally conductive sheet (10) distributions are located at the two sides of heat-dissipating pipe (7),
Minimum range between two thermally conductive sheets (10) is less than the internal diameter of heat-dissipating pipe (7), and the maximum distance of two cooling fins is greater than heat dissipation
Manage the outer diameter of (7).
4. magnetic as claimed in claim 3 encodes hall effect sensor, which is characterized in that the separate of the thermally conductive sheet (10) dissipates
The shape of the side of heat pipe (7) is zigzag.
5. magnetic as claimed in claim 4 encodes hall effect sensor, which is characterized in that the production material of the thermally conductive sheet (10)
Material is aluminium.
6. magnetic as described in claim 1 encodes hall effect sensor, which is characterized in that be coated with heat dissipation on the main body (1)
Silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822070497.0U CN209117038U (en) | 2018-12-10 | 2018-12-10 | A kind of magnetic coding hall effect sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822070497.0U CN209117038U (en) | 2018-12-10 | 2018-12-10 | A kind of magnetic coding hall effect sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209117038U true CN209117038U (en) | 2019-07-16 |
Family
ID=67207849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822070497.0U Expired - Fee Related CN209117038U (en) | 2018-12-10 | 2018-12-10 | A kind of magnetic coding hall effect sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209117038U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443229A (en) * | 2020-04-17 | 2020-07-24 | 南京新捷中旭微电子有限公司 | Hall current sensor with wire positioning function |
-
2018
- 2018-12-10 CN CN201822070497.0U patent/CN209117038U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111443229A (en) * | 2020-04-17 | 2020-07-24 | 南京新捷中旭微电子有限公司 | Hall current sensor with wire positioning function |
| CN111443229B (en) * | 2020-04-17 | 2022-03-04 | 南京新捷中旭微电子有限公司 | Hall current sensor with wire positioning function |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |