CN207163475U - A kind of magnetic absolute angle sensor - Google Patents
A kind of magnetic absolute angle sensor Download PDFInfo
- Publication number
- CN207163475U CN207163475U CN201721106163.3U CN201721106163U CN207163475U CN 207163475 U CN207163475 U CN 207163475U CN 201721106163 U CN201721106163 U CN 201721106163U CN 207163475 U CN207163475 U CN 207163475U
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- CN
- China
- Prior art keywords
- housing
- rotating shaft
- control panel
- absolute angle
- sensor board
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- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
A kind of magnetic absolute angle sensor is the utility model is related to, belongs to sensor device technical field, solves the technical problem that existing magnetic absolute angle sensor resolution ratio is low, accuracy is low, adaptability for working condition is poor.Solution is：One side end face of the housing is provided with flange connection surface, another side end face of housing is provided with end cap, the rotating shaft is arranged in housing and one end of rotating shaft extends to the outside of flange connection surface, and the other end end set of rotating shaft has magnet mounting groove, magnet is fixed with magnet mounting groove；Sensor board and control panel are perpendicularly disposed with away from flange connection surface side and with the axis direction of rotating shaft, and magnet positions corresponding position is provided with through hole on the sensor board, the annular HALL arrays for signal detection are provided with lead to the hole site.A kind of magnetic absolute angle sensor provided by the utility model, high resolution, measurement are accurate high, and good environmental adaptability, shock resistance, vibration and Electro Magnetic Compatibility are excellent.
Description
Technical field
The utility model belongs to sensor device technical field, more particularly to a kind of magnetic absolute angle sensor.
Background technology
Angular transducer is that a kind of object moving state that will turn round is converted to the device of electric signal, conventional angular transducer
Mainly there are the several types such as rotating potentiometer, rotary transformer, photoelectric encoder, magnetic absolute angle sensor.Absolute angle passes
Sensor is the senser element that the absolute angle of object of which movement is converted to electric signal output, is the important of modern automatic control system
Building block, it is widely used in the fields such as automobile making, Medical Devices, space flight, navigation and military equipment.
At present, magnetic absolute angle sensor, generally using hall sensing technology, by one piece of rotary magnet and a piece of technical grade
Integrated Hall sensing chip forms its core detection circuit, produces rotating excitation field using the rotation of magnet, is then passed by Hall
Sense chip detects its magnetic field intensity, so as to detect the anglec of rotation.Its advantage is simple in construction, contactless, long-life, directly absolutely
Angle is read, remembered without zero point, its deficiency is by Integrated Hall sensing chip resolution ratio, accuracy and environment is adapted to
The restriction of property, than relatively low, environmental suitability, shock resistance, vibration and Electro Magnetic Compatibility compare for sensor resolution, accuracy
Difference, it is difficult to meet the application requirement of actual condition.
Utility model content
The defects of the purpose of this utility model is to overcome prior art, solves magnetic absolute angle sensor in the prior art
Resolution ratio is low, accuracy is low, the poor technical problem of environmental suitability, shock resistance, vibration and Electro Magnetic Compatibility, there is provided Yi Zhongjie
Structure is simple, the magnetic absolute angle sensor of high-resolution, pinpoint accuracy, good environmental adaptability.
The utility model is achieved by the following technical programs.
A kind of magnetic absolute angle sensor, it includes rotating shaft, housing, sensor board and control panel, wherein：The housing
One side end face is provided with flange connection surface, and another side end face of housing is provided with end cap, the rotating shaft be arranged in housing and
One end of rotating shaft extends to the outside of flange connection surface, and the other end end set of rotating shaft has magnet mounting groove, magnet mounting groove
Magnet is inside fixed with, bearing block is respectively arranged with the end positions corresponding position of rotating shaft in housing, axle is provided with bearing block
Hold, the bearing of side is connected by the madial wall of jump ring and flange connection surface；
Sensor board and control are disposed with away from flange connection surface side and perpendicularly with the axis direction of rotating shaft
Plate, sensor board and control panel are fixed in housing by fastener, are set on the sensor board with magnet positions corresponding position
There is through hole, the annular HALL arrays for signal detection are provided with lead to the hole site, are also equipped with being used on the sensor board
The row of electric elements inside connection is female；Width funtion power module is housed on the control panel, for input signal collection, conversion
Signal processing chip, the cpu chip realized for output signal control and core algorithm, the communication chip exported for bus,
For row's pin of electric elements inside connection, for exporting row's seat of electrical connection and for improving electric compatible electronics member
Part, and electic protection and instruction electronic component；The sensor board passes through loaded on the sensor board with the control panel
Row it is female and be electrically connected together loaded on corresponding row's pin on the control panel；
The housing sidewall is provided with electric interfaces, and the electric interfaces pass through loaded on row's seat on the control panel and institute
State control panel electrical connection.
Further, it is provided with O-ring seal between the end cap and housing.
Further, indicator hole is additionally provided with the end cap and sets zero hole.
Further, the housing is integrated sandwich type element, and its profile is cube or is customization special-shaped shell body.
The utility model has the advantages that compared with prior art.
A kind of magnetic absolute angle sensor provided by the utility model, its resolution reach 16,18,20, and accuracy reaches
± 1 jiao point, ± 0.5 jiao point, ± 0.25 jiao point, with prior art resolution ratio 12, accuracy ± 5 jiao split-phase ratio, measurement
Accuracy is corresponding high 5 times, 10 times, 20 times；Moreover, the utility model is simultaneous in good environmental adaptability, shock resistance, vibration and electromagnetism
Capacitive is excellent, fully meets GJB150A-2009 military equipments environmental test and requires simultaneous with GJB151B-013 military equipment electromagnetism
Compatibility test requirement.The utility model has broken international technology barrier so that magnetic absolute angle sensor is in the utility model base
It can continue to carry out skill upgrading on plinth.
Brief description of the drawings
Fig. 1 is the utility model integrally three-dimensional configuration schematic diagram.
Embodiment
The utility model is elaborated with reference to embodiment：The present embodiment be using technical solutions of the utility model as
Premise is implemented, and gives detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In the following examples.
As shown in figure 1, a kind of magnetic absolute angle sensor in the present embodiment, it includes rotating shaft 3, housing 8, sensor board
9 and control panel 12, wherein：One side end face of the housing 8 is provided with flange connection surface 6, and another side end face of housing 8 is provided with
End cap 14, the rotating shaft 3 is arranged in housing 8 and one end of rotating shaft 3 extends to the outside of flange connection surface 6, rotating shaft 3 it is another
One end end set has magnet mounting groove 4, and magnet 5 is fixed with magnet mounting groove 4, in the interior both ends position with rotating shaft 3 of housing 8
Put corresponding position and be respectively arranged with bearing block, be provided with bearing 2 in bearing block, the bearing 2 of side passes through jump ring 1 and flange connection surface 6
Madial wall connection；
Sensor board 9 and control are perpendicularly disposed with away from the side of flange connection surface 6 and with the axis direction of rotating shaft 3
Making sheet 12, sensor board 9 and control panel 12 are fixed in housing by fastener, on the sensor board 9 with the position pair of magnet 5
Should place be provided with through hole, be provided with the annular HALL arrays 10 for signal detection at lead to the hole site, on the sensor board 9 also
Mother row 11 for electric elements inside connection is installed；Width funtion power module 18 is housed, for defeated on the control panel 12
Enter signal acquisition, the signal processing chip 20 of conversion, the cpu chip 21 realized for output signal control and core algorithm, use
In the communication chip 19 of bus output, for row's pin 22 of electric elements inside connection, for exporting row's seat 17 of electrical connection
With the electronic component for improving electric compatibility, and electic protection and instruction electronic component；The sensor board 9 with it is described
Control panel 12 loaded on mother row 11 on the sensor board 9 and loaded on corresponding row's pin 22 on the control panel 12 by electrically connecting
It is connected together；
The side wall of housing 8 is provided with electric interfaces 7, and the electric interfaces 7 pass through loaded on the row on the control panel 12
Seat 17 is electrically connected with the control panel 12.
Further, it is provided with O-ring seal 13 between the end cap 14 and housing 8.
Further, indicator hole 15 is additionally provided with the end cap 14 and sets zero hole 16.
Further, the housing 8 is integrated sandwich type element, and its profile is cube or is customization special-shaped shell body.
In use, being rotated by rotating shaft 3, the synchronous axial system of magnet 5 being fixed in the upper magnet mounting groove 4 of rotating shaft 3, production are driven
Raw rotating excitation field, should so as to obtain a cycle voltage curve on the sensor board 10 of annular HALL arrays 10 is provided with
Voltage is through the special parsing of signal processing chip 20 with being resolved again by Digital Signal Algorithm after conversion, it is possible to provide a high-resolution
Rate, the absolute angular position information of pinpoint accuracy.The utility model employs the sensor for being provided with unique annular HALL arrays
Plate 10, so that the utility model has thoroughly broken away from the restriction suffered by prior art, is being surveyed as core detection, converting member
It is greatly improved in terms of measuring resolution ratio, accuracy, and environmental suitability, Electro Magnetic Compatibility, shock resistance, vibratility.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
It is any to be familiar with those skilled in the art in the technical scope that the utility model discloses in this, the change that can be readily occurred in
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (4)
1. a kind of magnetic absolute angle sensor, it includes rotating shaft (3), housing (8), sensor board (9) and control panel (12), and it is special
Sign is：One side end face of the housing (8) is provided with flange connection surface (6), and another side end face of housing (8) is provided with end cap
(14), the rotating shaft (3) is arranged in housing (8) and one end of rotating shaft (3) extends to the outside of flange connection surface (6), turns
The other end end set of axle (3) has magnet mounting groove (4), magnet (5) is fixed with magnet mounting groove (4), in housing (8)
It is interior to be respectively arranged with bearing block with rotating shaft (3) end positions corresponding position, it is provided with bearing (2), the bearing (2) of side in bearing block
It is connected by jump ring (1) with the madial wall of flange connection surface (6)；
Away from flange connection surface (6) side and with the axis direction of rotating shaft (3) be perpendicularly disposed with sensor board (9) and
Control panel (12), sensor board (9) and control panel (12) are fixed in housing by fastener, on the sensor board (9) with
Through hole is provided with magnet (5) position correspondence, the annular HALL arrays (10) for signal detection, institute are provided with lead to the hole site
State the row mother (11) being also equipped with sensor board (9) for electric elements inside connection；Equipped with width on the control panel (12)
Voltage source module (18), for the signal processing chip (20) of input signal collection, conversion, for output signal control and core
The cpu chip (21) that center algorithm is realized, for the communication chip (19) of bus output, row's pin for electric elements inside connection
(22), for exporting row's seat (17) of electrical connection and electronic component for improving electric compatibility, and electic protection and
Indicate electronic component；The sensor board (9) passes through female loaded on the row on the sensor board (9) with the control panel (12)
(11) and loaded on corresponding row's pin (22) on the control panel (12) it is electrically connected together；
Housing (8) side wall is provided with electric interfaces (7), and the electric interfaces (7) pass through loaded on the control panel (12)
Row's seat (17) and the control panel (12) be electrically connected.
A kind of 2. magnetic absolute angle sensor according to claim 1, it is characterised in that：The end cap (14) and housing
(8) O-ring seal (13) is provided between.
A kind of 3. magnetic absolute angle sensor according to claim 1, it is characterised in that：Also set up on the end cap (14)
There is indicator hole (15) and set zero hole (16).
A kind of 4. magnetic absolute angle sensor according to claim 1, it is characterised in that：The housing (8) is integral type
Housing, its profile are cube or are customization special-shaped shell body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106163.3U CN207163475U (en) | 2017-08-31 | 2017-08-31 | A kind of magnetic absolute angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106163.3U CN207163475U (en) | 2017-08-31 | 2017-08-31 | A kind of magnetic absolute angle sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207163475U true CN207163475U (en) | 2018-03-30 |
Family
ID=61719068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721106163.3U Active CN207163475U (en) | 2017-08-31 | 2017-08-31 | A kind of magnetic absolute angle sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207163475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389103A (en) * | 2017-08-31 | 2017-11-24 | 周勇 | A kind of magnetic absolute angle sensor |
-
2017
- 2017-08-31 CN CN201721106163.3U patent/CN207163475U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389103A (en) * | 2017-08-31 | 2017-11-24 | 周勇 | A kind of magnetic absolute angle sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180404 Address after: 030000 Changzhi Road, Taiyuan, Taiyuan, Shanxi Province, No. 181, block B, seat No. 3001, No. 3001 Patentee after: Shanxi Tai run Da Technology Co., Ltd. Address before: No. 162, No. 351, No. 15, sports road, Xiaodian District, Taiyuan, Shanxi Patentee before: Zhou Yong |