CN205981092U - Rotation type angle sensor - Google Patents
Rotation type angle sensor Download PDFInfo
- Publication number
- CN205981092U CN205981092U CN201620872573.8U CN201620872573U CN205981092U CN 205981092 U CN205981092 U CN 205981092U CN 201620872573 U CN201620872573 U CN 201620872573U CN 205981092 U CN205981092 U CN 205981092U
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- tongue tube
- sensor
- rotation
- angular transducer
- rotary shaft
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- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model discloses a rotation type angle sensor, registrate the axis of rotation that the installation is joined in marriage to the pine including sensor base and with sensor base, the tongue tube is installed in the outside that corresponds the axis of rotation, is equipped with in the axis of rotation to form the non -contact response and can produce magnetic field with the tongue tube to change the magnetic bead that off state was opened to the tongue tube. When the axis of rotation was rotated, the magnetic bead when being close the tongue tube along with the axis of rotation is rotated, and the magnetic field that the magnetic bead produced can change the off state that opens of tongue tube to change the output switch signal of sensor, when the tongue tube was kept away from through the rotation to the magnetic bead, the tongue tube was disappeared by the influence in magnetic field, opened off state and recoverd, made the original switching signal of sensor output again. Main spare part is become by stainless -steel, and the effective resistance external magnetic field is to the interference of sensor, response through non -contact changes the output switch signal, the life -span of improving the sensor greatly, and not restriction of turned angle, consequently can not have direction and angular limitation ground cycling.
Description
Technical field
This utility model is related to a kind of switch element being applied in plant equipment, particularly to a kind of by detecting its turn
The steering angle of moving axis, exports corresponding switching signal to the rotary angular transducer of equipment.
Background technology
In recent years, in the various uses such as the detection of position of rotation in plant equipment, for the rotation of detection object thing
Position, magnetic rotating angle degree sensor is extensively utilized.As magnetic rotating angle degree sensor, possess Magnet and the inspection of rotation
Survey the magnetic sensor in magnetic field of Magnet and the sensing of the anglec of rotation of Magnet is detected based on the detection output of magnetic sensor
Device.
In possessing the Magnet of rotation and the angular sensor of magnetic sensor, for example, Magnet has perpendicular to rotation
The end face of rotating shaft and have the magnetization in the direction vertical with rotary shaft, magnetic sensor separates set with the end face of opposed magnet
Every and opposite mode configures.As the performance sought by the angular sensor of this spline structure, for example, have：Send out because of Magnet
The intensity giving birth to and putting on the magnetic field of magnetic sensor is larger, and Magnet the actual anglec of rotation and based on magnetic sensor
Difference (the hereinafter referred to as angular error of the anglec of rotation (hereinafter referred to as detection angles) of Magnet that detection exports and detects
) less.
Magnetropism sensor except be applied with Magnet generation magnetic field in addition to, also exist be applied with motor leakage field or
The situation in other magnetic fields such as earth magnetism.Be put on relatively reduce among the magnetic field of magnetic sensor Magnet generation magnetic field with
The impact in outer magnetic field, needs to make the intensity that the magnetic field of magnetic sensor occurs because of Magnet and puts on larger.Because of Magnet
There is and put on the increase of the intensity in the magnetic field of magnetic sensor, for example, can pass through with the larger magnetic material of remanence
Form Magnet, or make Magnet maximize to realize.
On the other hand, one of the reason angular error occurs is the deviation of the position relationship of Magnet and magnetic sensor.?
When making angular sensor, the use of angular sensor when, exist the position relationship of Magnet and magnetic sensor from
Desired position relationship slightly offset from situation.Here, the imaginary plane parallel to the end face of Magnet is intersected with rotary shaft
Position (hereinafter referred to as center), if the direction in the magnetic field of Magnet is parallel with the magnetized direction of Magnet.And,
On imaginary plane, if the position that rotary shaft passes through the magnetic sensor at center of magnetic sensor is the desired of magnetic sensor
Position.On above-mentioned imaginary plane, in the position deviateed from the central position, there is direction and the center in the magnetic field of Magnet
The magnetic field of Magnet the different situation in direction.Therefore, on imaginary plane, in the position of magnetic sensor from desired position
It may occur however that the direction in magnetic field that magnetic sensor is detected is passed with the magnetic when being configured at desired position in the case of deviation
The different situation in the direction in the magnetic field that sensor is detected.In that way it is possible to the deviation because of Magnet and the position relationship of magnetic sensor
And cause the generation of angular error.Even if in the case of creating the deviation of position relationship of Magnet and magnetic sensor.
In addition, the critical piece of rotary angular transducer now is not using being highly resistant to external magnetic field to biography
The material that sensor interferes is made, and anti-external magnetic field interference performance is weaker；And Magnet mostly is with the sensing of magnetic sensor
Using a contact, rotate the contact induced signals such as contact, use time can reduce the service life of sensor after long.?
Afterwards, most rotary angular transducer has certain spacing or limiting structure for the rotational angle of rotary shaft, but right
Need do not have angle limits and the switch element of direction restriction to apply the sensor of this structure then to have certain limitation in some,
Range is little.
Content of the invention
The purpose of this utility model is the shortcoming and defect in order to overcome above-mentioned prior art, provides a kind of rotary angle
Sensor, the core parts of this rotary angular transducer are two powerful tongue tubes, and tongue tube is located at the outer of rotary shaft
Side, rotary shaft is provided with magnetic bead；When rotary shaft rotates, magnetic bead with rotary shaft rotate, turn to close to tongue tube when
Wait, the magnetic field that magnetic bead produces can change the on off state of tongue tube, thus changing the output switching signal of sensor；When magnetic bead leads to
When crossing rotation away from tongue tube, tongue tube is affected to disappear by magnetic field, and on off state restores, and so that sensor is exported in turn
Switching signal originally.The main parts size of this rotary angular transducer is all made using rustless steel, is highly resistant to outer
The interference to sensor for the portion magnetic field；Output switching signal is changed by contactless sensing, the longevity of sensor can be greatly improved
Life, the rotational angle of this angular transducer does not limit, and therefore can not have direction and angle limits ground cycling.
This utility model solves its technical problem and be employed technical scheme comprise that：A kind of rotary angular transducer, including
Sensor base and the rotary shaft joining installation with sensor base fit pine, the outside of corresponding rotary shaft is provided with tongue tube, turns
It is provided with moving axis and form non-contact inductive with tongue tube and the magnetic bead that magnetic field changes dry-reed tube switch state can be produced.
Further, it is provided with two high-power tongue tubes, two tongue tube horizontal symmetry are located at rotary shaft both sides, dry spring
Pipe is arranged oppositely for level with magnetic bead.
Further, described tongue tube is installed between sensor base and rotary shaft.
Further, described tongue tube is installed in sensor base and corresponds to the outside of rotary shaft.
Further, described sensor base sidepiece is provided with the side cover covering tongue tube after tongue tube is installed, sensor
Top is provided with lid.
Further, described upper lid is provided with the Aviation Connector for connecting electric wiring.
Further, it is additionally provided with described sensor base outside ball and sensor base and be provided with and ball engagement peace
The machine screws without a head of dress, is provided with the compression spring of compression ball in machine screws without a head.
In sum, the core parts of rotary angular transducer of the present utility model are two powerful tongue tubes,
Tongue tube is located at the outside of rotary shaft, and rotary shaft is provided with magnetic bead；When rotary shaft rotates, magnetic bead rotates with rotary shaft,
Turn to close to tongue tube when, the magnetic field that magnetic bead produces can change the on off state of tongue tube, thus changing sensor
Output switching signal；When magnetic bead passes through to rotate away from tongue tube, tongue tube is affected to disappear by magnetic field, and on off state is multiple
Former, make the original switching signal of sensor output in turn.The main parts size of this rotary angular transducer is not all using
Rust steel is made, and is highly resistant to the interference to sensor for the external magnetic field；Output switching signal is changed by contactless sensing,
The life-span of sensor can be greatly improved, the rotational angle of this angular transducer does not limit, therefore can there is no direction and angle
Limit ground cycling.
Brief description
Fig. 1 is the decomposing schematic representation of a kind of rotary angular transducer of embodiment 1 of the present utility model；
Fig. 2 is the structural representation of a kind of rotary angular transducer of embodiment 1 of the present utility model；
Fig. 3 is the profile in A-A direction in Fig. 2；
Fig. 4 is the profile in the B-B direction in Fig. 2.
Specific embodiment
Embodiment 1
A kind of rotary angular transducer described by the present embodiment 1, as shown in Figure 1, Figure 2, Figure 3 and Figure 4, including sensing
Device pedestal 1 and the rotary shaft 2 joining installation with sensor base fit pine, the outside of corresponding rotary shaft is provided with tongue tube 3, rotates
It is provided with axle and form non-contact inductive with tongue tube and the magnetic bead 4 that magnetic field changes dry-reed tube switch state can be produced.
Tongue tube is two, is high-power tongue tube, and two tongue tube horizontal symmetry are located at rotary shaft both sides, tongue tube
It is arranged oppositely for level with magnetic bead.This tongue tube is installed in sensor base and corresponds to the outside of rotary shaft.
This sensor base sidepiece is provided with the side cover 5 covering tongue tube after tongue tube is installed, and sensors topside is provided with
Lid 6.
On this, lid is provided with the Aviation Connector 7 for connecting electric wiring.
It is additionally provided with this sensor base and outside ball 8 and sensor base, be provided with the machinery without a head installed with ball engagement
Screw 9, is provided with the compression spring 10 of compression ball in machine screws without a head.
In addition, the installation site of tongue tube may also be employed being installed between sensor base and rotary shaft, and be installed on turn
Between moving axis and the gap of sensor base, but there is not directly contact with rotary shaft.
The above, be only preferred embodiment of the present utility model, not to wire-drawing equipment of the present utility model or
Wire drawing production method makees any pro forma restriction.Every according to technical spirit of the present utility model, above example is made
Any simple modification, equivalent variations and modification, all still fall within the range of the technical scheme of utility model.
Claims (7)
1. a kind of rotary angular transducer is it is characterised in that including sensor base and joining peace with sensor base fit pine
The rotary shaft of dress, the outside of corresponding rotary shaft is provided with tongue tube, is provided with and forms non-contact inductive with tongue tube in rotary shaft
And the magnetic bead that magnetic field changes dry-reed tube switch state can be produced.
2. a kind of rotary angular transducer according to claim 1 is it is characterised in that be provided with two high-power dry springs
Pipe, two tongue tube horizontal symmetry are located at rotary shaft both sides, and tongue tube is arranged oppositely for level with magnetic bead.
3. a kind of rotary angular transducer according to claim 2 is it is characterised in that described tongue tube is installed on biography
Between sensor pedestal and rotary shaft.
4. a kind of rotary angular transducer according to claim 2 is it is characterised in that described tongue tube is installed on biography
The outside of the interior and corresponding rotary shaft of sensor pedestal.
5. a kind of rotary angular transducer according to claim 4 is it is characterised in that described sensor base sidepiece
It is provided with the side cover covering tongue tube after tongue tube is installed, sensors topside is provided with lid.
6. a kind of rotary angular transducer according to claim 5 it is characterised in that described upper lid be provided with for
Connect the Aviation Connector of electric wiring.
7. a kind of rotary angular transducer according to claim 6 is it is characterised in that described sensor base is interior also
It is provided with and outside ball and sensor base, is provided with the machine screws without a head installed with ball engagement, in machine screws without a head, be provided with pressure
The compression spring of tight ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872573.8U CN205981092U (en) | 2016-08-12 | 2016-08-12 | Rotation type angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620872573.8U CN205981092U (en) | 2016-08-12 | 2016-08-12 | Rotation type angle sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205981092U true CN205981092U (en) | 2017-02-22 |
Family
ID=59978293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620872573.8U Active CN205981092U (en) | 2016-08-12 | 2016-08-12 | Rotation type angle sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205981092U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643068A (en) * | 2017-10-17 | 2018-01-30 | 兰州飞行控制有限责任公司 | A kind of angular displacement sensor mounting structure and its zero-bit method of adjustment |
-
2016
- 2016-08-12 CN CN201620872573.8U patent/CN205981092U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107643068A (en) * | 2017-10-17 | 2018-01-30 | 兰州飞行控制有限责任公司 | A kind of angular displacement sensor mounting structure and its zero-bit method of adjustment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |