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CN105987663B - A kind of angle sensing device and angle detecting method - Google Patents

A kind of angle sensing device and angle detecting method Download PDF

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Publication number
CN105987663B
CN105987663B CN201510091863.9A CN201510091863A CN105987663B CN 105987663 B CN105987663 B CN 105987663B CN 201510091863 A CN201510091863 A CN 201510091863A CN 105987663 B CN105987663 B CN 105987663B
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stator
rotor
resistor
angle
resistance
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CN105987663A (en
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施开成
郭彧昌
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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Abstract

The invention discloses a kind of angle sensing device and method, the angle sensing device includes storage unit, and the storage unit is used to record the corresponding relationship of resistance and angle;The angle sensing device further includes a column stator, the cylindrical rotor for being set in the stator exterior;A resistance is provided on the stator;Setting one has resistance on the rotor;Resistance on the rotor is in contact by an elastic slice with the resistance on the stator, and resistance and the resistance on the stator on the rotor is made to be in parallel;Wherein, when the rotor stator rotation relatively, the elastic slice is corresponding to the contact position of the stator to be changed, and makes the rotor is corresponding to the resistance that stator is in parallel to change.

Description

Angle detection device and angle detection method
Technical Field
The present invention relates to angle detection technologies, and in particular, to an angle detection device and an angle detection method.
Background
The pivot angle detection of plug-in notebook can be applicable to multiple scene, for example, the automatic connection of bluetooth keyboard, the automation of support is reminded when shooing. The existing angle detection methods are complex, mainly utilize a capacitive sensor and a dual-force sensor to detect the angle of a rotating shaft, and have poor accuracy and complicated software algorithm.
Disclosure of Invention
In order to solve the above technical problems, embodiments of the present invention provide an angle detection apparatus method and an angle detection method.
The angle detection equipment provided by the embodiment of the invention comprises a storage unit, a control unit and a control unit, wherein the storage unit is used for recording the corresponding relation between the resistance and the angle; the angle detection equipment also comprises a columnar stator and a columnar rotor sleeved outside the stator; the stator is provided with a resistor; a resistor is arranged on the rotor; the resistor on the rotor is contacted with the resistor on the stator through an elastic sheet, so that the resistor on the rotor is connected with the resistor on the stator in parallel; wherein,
when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, so that the parallel resistance of the rotor and the stator is correspondingly changed.
The angle detection method provided by the embodiment of the invention is applied to angle detection equipment, wherein the angle detection equipment comprises a storage unit, and the storage unit is used for recording the corresponding relation between the resistance and the angle; the angle detection equipment also comprises a columnar stator and a columnar rotor sleeved outside the stator; the stator is provided with a resistor; a resistor is arranged on the rotor; the resistor on the rotor is contacted with the resistor on the stator through an elastic sheet, so that the resistor on the rotor is connected with the resistor on the stator in parallel; when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, so that the parallel resistance of the rotor and the stator is correspondingly changed; the angle detection method comprises the following steps:
measuring the resistance of the rotor in parallel with the stator;
based on the measured resistance, inquiring an angle corresponding to the resistance in the corresponding relation of the resistance and the angle of the storage unit; wherein the angle is an angle of rotation of the rotor relative to the stator.
According to the technical scheme of the embodiment of the invention, the rotating shaft comprises the rotor and the stator, and the angle of the rotating shaft, namely the rotating angle of the rotor relative to the stator, is detected; specifically, the angle detection device includes a storage unit in which a correspondence relationship between a resistance and an angle is stored in advance; the angle detection equipment comprises a columnar stator and a columnar rotor sleeved outside the stator; the stator is provided with a resistor; a resistor is arranged on the rotor; the resistor on the rotor is contacted with the resistor on the stator through an elastic sheet, so that the resistor on the rotor is connected with the resistor on the stator in parallel; when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, so that the parallel resistance of the rotor and the stator is correspondingly changed; when the resistance of the rotor and the stator which are connected in parallel is measured, the angle corresponding to the resistance can be inquired in the storage unit, so that the current rotation angle of the rotor relative to the stator is determined.
Drawings
Fig. 1 is a schematic structural composition diagram of an angle detection apparatus according to a first embodiment of the present invention;
FIG. 2 is a schematic flowchart of an angle detection method according to a first embodiment of the present invention;
FIG. 3 is a flowchart illustrating an angle detection method according to a second embodiment of the present invention;
FIG. 4 is a schematic flow chart illustrating an angle detection method according to a third embodiment of the present invention;
fig. 5 is a schematic flow chart of an angle detection method according to a fourth embodiment of the present invention.
Detailed Description
So that the manner in which the features and aspects of the embodiments of the present invention can be understood in detail, a more particular description of the embodiments of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings.
Fig. 1 is a schematic structural composition diagram of an angle detection device according to a first embodiment of the present invention, and as shown in fig. 1, the angle detection device includes a storage unit (not shown in the figure) for recording a corresponding relationship between a resistance and an angle.
The angle detection equipment also comprises a columnar stator 11 and a columnar rotor 12 sleeved outside the stator; a resistor is arranged on the stator 11; a resistor is arranged on the rotor 12; the resistor on the rotor 12 is in contact with the resistor on the stator 11 through an elastic sheet 13, so that the resistor on the rotor 12 is connected with the resistor on the stator 11 in parallel; wherein,
when the rotor 12 rotates relative to the stator 11, the contact position between the elastic sheet 13 and the stator 11 changes correspondingly, so that the resistance of the rotor 12 connected in parallel with the stator 11 changes correspondingly.
In the embodiment of the present invention, the columnar stator 11 may be a solid material or a hollow material, and the columnar rotor 12 is a hollow material, so that the rotor 12 may be sleeved outside the stator 11, the columnar stator 11 is concentric with the columnar rotor 12, and the columnar rotor 12 may rotate around the columnar stator 11 around a concentric axis. The angle detection apparatus of the embodiment of the present invention is capable of detecting the angle of rotation of the rotor 12 with respect to the stator 11, and for this purpose, a resistor R1 is provided on the stator 11, and a resistor R2 is provided on the rotor 12; the resistance on the rotor 12 is connected in parallel with the resistance on the stator 11 through a spring sheet 13 made of metal material, when the rotor 12 rotates relative to the stator 11, the contact position of the spring sheet 13 and the stator 11 is correspondingly changed, so that the resistance of the rotor 12 connected in parallel with the stator 11 is correspondingly changed. The rotation angle of the rotor 12 relative to the stator 11 can be obtained by measuring the resistance of the rotor 12 in parallel with the stator 11 and then inquiring the angle corresponding to the measured resistance in the storage unit.
In the embodiment of the invention, the corresponding relation between the resistance and the angle is set in the storage unit in advance, and the corresponding relation can be obtained by measuring the angle under the condition of different resistances in advance.
Preferably, the stator 11 of the embodiment of the present invention is provided with a resistor, specifically:
a linear resistor is arranged in the middle of the stator 11, and coil resistors are arranged at two ends of the stator 11; wherein,
the linear resistor is connected in series with the coil resistor.
In this way, the linear resistors and the coil resistors are connected in series to form a resistor on the stator 11.
In the embodiment of the present invention, the resistor on the rotor 12 is in contact with the resistor on the stator 11 through an elastic sheet 13, specifically, the resistor on the rotor 12 is in contact with the coil-shaped resistor on the stator 11 through an elastic sheet 13, and when the rotor 12 rotates relative to the stator 11, the position where the elastic sheet 13 contacts the coil changes, so that the resistor connected in parallel between the stator 11 and the rotor 12 changes.
Preferably, the first end of the stator 11, for example the left end, is provided with the same number of turns of the coiled resistor as the second end of the stator 11, for example the right end.
Fig. 2 is a schematic flowchart of an angle detection method according to a first embodiment of the present invention, where the angle detection method in this example is applied to an angle detection device, and the angle detection device includes a storage unit, and the storage unit is used to record a corresponding relationship between a resistance and an angle; the angle detection equipment also comprises a columnar stator and a columnar rotor sleeved outside the stator; the stator is provided with a resistor; a resistor is arranged on the rotor; the resistor on the rotor is contacted with the resistor on the stator through an elastic sheet, so that the resistor on the rotor is connected with the resistor on the stator in parallel; when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, so that the parallel resistance of the rotor and the stator is correspondingly changed; as shown in fig. 2, the angle detection method includes the steps of:
step 201: measuring the resistance of the rotor in parallel with the stator.
In the embodiment of the invention, the columnar stator can be made of solid materials or hollow materials, and the columnar rotor is made of hollow materials, so that the rotor can be sleeved outside the stator, the columnar stator is concentric with the columnar rotor, and the columnar rotor can rotate around the columnar stator around a concentric shaft. The angle detection equipment of the embodiment of the invention can detect the rotation angle of the rotor relative to the stator, and therefore, a resistor is arranged on the stator and a resistor is arranged on the rotor; the resistance on the rotor is connected with the resistance on the stator in parallel through the elastic sheet made of metal materials, when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, and therefore the resistance of the rotor connected with the stator in parallel is correspondingly changed. The rotation angle of the rotor relative to the stator can be obtained by measuring the resistance of the rotor in parallel connection with the stator and inquiring the angle relative to the measured resistance in the storage unit.
In the embodiment of the invention, the middle of the stator is provided with a linear resistor, and two ends of the stator are provided with coil resistors; wherein the linear resistor is connected in series with the coil resistor. In this way, the linear resistors and the coil resistors are connected in series to form a resistor on the stator.
In the embodiment of the invention, the resistor on the rotor is contacted with the coil-shaped resistor on the stator through the elastic sheet, and when the rotor rotates relative to the stator, the position where the elastic sheet is contacted with the coil is changed, so that the resistor connected with the stator and the rotor in parallel is changed. Preferably, the number of turns of the coil-shaped resistor provided at the left end of the stator is the same as the number of turns of the coil-shaped resistor provided at the right end of the stator.
In the embodiment of the invention, an input and output circuit is connected at two ends of the resistor with the rotor and the stator connected in parallel, and the resistor with the rotor and the stator connected in parallel can be measured through the pull-up resistor of the circuit.
Step 202: based on the measured resistance, inquiring an angle corresponding to the resistance in the corresponding relation of the resistance and the angle of the storage unit; wherein the angle is an angle of rotation of the rotor relative to the stator.
In the embodiment of the invention, when the resistance of the rotor and the stator which are connected in parallel is measured, the angle corresponding to the resistance can be inquired in the storage unit, so that the current rotation angle of the rotor relative to the stator is determined.
Fig. 3 is a schematic flowchart of an angle detection method according to a second embodiment of the present invention, where the angle detection method in this example is applied to an angle detection device, and the angle detection device includes a storage unit, and the storage unit is used to record a corresponding relationship between a resistance and an angle; the angle detection equipment also comprises a columnar stator and a columnar rotor sleeved outside the stator; the stator is provided with a resistor; a resistor is arranged on the rotor; the resistor on the rotor is contacted with the resistor on the stator through an elastic sheet, so that the resistor on the rotor is connected with the resistor on the stator in parallel; when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, so that the parallel resistance of the rotor and the stator is correspondingly changed; as shown in fig. 3, the angle detection method includes the steps of:
step 301: and setting a corresponding relation between the resistance and the angle in the storage unit in advance.
In the embodiment of the invention, the corresponding relation between the resistance and the angle is set in the storage unit in advance, and the corresponding relation can be obtained by measuring the angle under the condition of different resistances in advance.
Step 302: measuring the resistance of the rotor in parallel with the stator.
In the embodiment of the invention, the columnar stator can be made of solid materials or hollow materials, and the columnar rotor is made of hollow materials, so that the rotor can be sleeved outside the stator, the columnar stator is concentric with the columnar rotor, and the columnar rotor can rotate around the columnar stator around a concentric shaft. The angle detection equipment of the embodiment of the invention can detect the rotation angle of the rotor relative to the stator, and therefore, a resistor is arranged on the stator and a resistor is arranged on the rotor; the resistance on the rotor is connected with the resistance on the stator in parallel through the elastic sheet made of metal materials, when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, and therefore the resistance of the rotor connected with the stator in parallel is correspondingly changed. The rotation angle of the rotor relative to the stator can be obtained by measuring the resistance of the rotor in parallel connection with the stator and inquiring the angle relative to the measured resistance in the storage unit.
In the embodiment of the invention, the middle of the stator is provided with a linear resistor, and two ends of the stator are provided with coil resistors; wherein the linear resistor is connected in series with the coil resistor. In this way, the linear resistors and the coil resistors are connected in series to form a resistor on the stator.
In the embodiment of the invention, the resistor on the rotor is contacted with the coil-shaped resistor on the stator through the elastic sheet, and when the rotor rotates relative to the stator, the position where the elastic sheet is contacted with the coil is changed, so that the resistor connected with the stator and the rotor in parallel is changed. Preferably, the number of turns of the coil-shaped resistor provided at the left end of the stator is the same as the number of turns of the coil-shaped resistor provided at the right end of the stator.
In the embodiment of the invention, an input and output circuit is connected at two ends of the resistor with the rotor and the stator connected in parallel, and the resistor with the rotor and the stator connected in parallel can be measured through the pull-up resistor of the circuit.
Step 303: based on the measured resistance, inquiring an angle corresponding to the resistance in the corresponding relation of the resistance and the angle of the storage unit; wherein the angle is an angle of rotation of the rotor relative to the stator.
In the embodiment of the invention, when the resistance of the rotor and the stator which are connected in parallel is measured, the angle corresponding to the resistance can be inquired in the storage unit, so that the current rotation angle of the rotor relative to the stator is determined.
Fig. 4 is a schematic flowchart of an angle detection method according to a third embodiment of the present invention, where the angle detection method in this example is applied to an angle detection device, and the angle detection device includes a storage unit, and the storage unit is used to record a corresponding relationship between a resistance and an angle; the angle detection equipment also comprises a columnar stator and a columnar rotor sleeved outside the stator; the stator is provided with a resistor; a resistor is arranged on the rotor; the resistor on the rotor is contacted with the resistor on the stator through an elastic sheet, so that the resistor on the rotor is connected with the resistor on the stator in parallel; when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, so that the parallel resistance of the rotor and the stator is correspondingly changed; the stator is connected with a keyboard of the electronic equipment, and the rotor is connected with a screen of the electronic equipment; here, the electronic device may be an electronic device such as a notebook computer, a plug-in notebook computer, or the like; as shown in fig. 4, the angle detection method includes the steps of:
step 401: measuring the resistance of the rotor in parallel with the stator.
In the embodiment of the invention, the columnar stator can be made of solid materials or hollow materials, and the columnar rotor is made of hollow materials, so that the rotor can be sleeved outside the stator, the columnar stator is concentric with the columnar rotor, and the columnar rotor can rotate around the columnar stator around a concentric shaft. The angle detection equipment of the embodiment of the invention can detect the rotation angle of the rotor relative to the stator, and therefore, a resistor is arranged on the stator and a resistor is arranged on the rotor; the resistance on the rotor is connected with the resistance on the stator in parallel through the elastic sheet made of metal materials, when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, and therefore the resistance of the rotor connected with the stator in parallel is correspondingly changed. The rotation angle of the rotor relative to the stator can be obtained by measuring the resistance of the rotor in parallel connection with the stator and inquiring the angle relative to the measured resistance in the storage unit.
In the embodiment of the invention, the middle of the stator is provided with a linear resistor, and two ends of the stator are provided with coil resistors; wherein the linear resistor is connected in series with the coil resistor. In this way, the linear resistors and the coil resistors are connected in series to form a resistor on the stator.
In the embodiment of the invention, the resistor on the rotor is contacted with the coil-shaped resistor on the stator through the elastic sheet, and when the rotor rotates relative to the stator, the position where the elastic sheet is contacted with the coil is changed, so that the resistor connected with the stator and the rotor in parallel is changed. Preferably, the number of turns of the coil-shaped resistor provided at the left end of the stator is the same as the number of turns of the coil-shaped resistor provided at the right end of the stator.
In the embodiment of the invention, an input and output circuit is connected at two ends of the resistor with the rotor and the stator connected in parallel, and the resistor with the rotor and the stator connected in parallel can be measured through the pull-up resistor of the circuit.
Step 402: based on the measured resistance, inquiring an angle corresponding to the resistance in the corresponding relation of the resistance and the angle of the storage unit; wherein the angle is an angle of rotation of the rotor relative to the stator.
Step 403: and determining the angle of the keyboard of the electronic equipment relative to the screen by detecting the rotation angle of the rotor relative to the stator.
Here, the angle of rotation of the rotor with respect to the stator is the angle of the keyboard of the electronic device with respect to the screen.
In the embodiment of the invention, when the resistance of the rotor and the stator which are connected in parallel is measured, the angle corresponding to the resistance can be inquired in the storage unit, so that the current rotation angle of the rotor relative to the stator is determined.
Fig. 5 is a schematic flowchart of an angle detection method according to a fourth embodiment of the present invention, where the angle detection method in this example is applied to an angle detection device, and the angle detection device includes a storage unit, and the storage unit is used to record a corresponding relationship between a resistance and an angle; the angle detection equipment also comprises a columnar stator and a columnar rotor sleeved outside the stator; the stator is provided with a resistor; a resistor is arranged on the rotor; the resistor on the rotor is contacted with the resistor on the stator through an elastic sheet, so that the resistor on the rotor is connected with the resistor on the stator in parallel; when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, so that the parallel resistance of the rotor and the stator is correspondingly changed; the stator is connected with a keyboard of the electronic equipment, and the rotor is connected with a screen of the electronic equipment; here, the electronic device may be an electronic device such as a notebook computer, a plug-in notebook computer, or the like; the two ends of the rotor which are connected with the stator in parallel are respectively connected with an input and output end (GPIO) on the mainboard of the electronic equipment; as shown in fig. 5, the angle detection method includes the steps of:
step 501: and measuring the resistance of the rotor and the stator which are connected in parallel through the GPIO.
In the embodiment of the invention, the columnar stator can be made of solid materials or hollow materials, and the columnar rotor is made of hollow materials, so that the rotor can be sleeved outside the stator, the columnar stator is concentric with the columnar rotor, and the columnar rotor can rotate around the columnar stator around a concentric shaft. The angle detection equipment of the embodiment of the invention can detect the rotation angle of the rotor relative to the stator, and therefore, a resistor is arranged on the stator and a resistor is arranged on the rotor; the resistance on the rotor is connected with the resistance on the stator in parallel through the elastic sheet made of metal materials, when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, and therefore the resistance of the rotor connected with the stator in parallel is correspondingly changed. The rotation angle of the rotor relative to the stator can be obtained by measuring the resistance of the rotor in parallel connection with the stator and inquiring the angle relative to the measured resistance in the storage unit.
In the embodiment of the invention, the middle of the stator is provided with a linear resistor, and two ends of the stator are provided with coil resistors; wherein the linear resistor is connected in series with the coil resistor. In this way, the linear resistors and the coil resistors are connected in series to form a resistor on the stator.
In the embodiment of the invention, the resistor on the rotor is contacted with the coil-shaped resistor on the stator through the elastic sheet, and when the rotor rotates relative to the stator, the position where the elastic sheet is contacted with the coil is changed, so that the resistor connected with the stator and the rotor in parallel is changed. Preferably, the number of turns of the coil-shaped resistor provided at the left end of the stator is the same as the number of turns of the coil-shaped resistor provided at the right end of the stator.
In the embodiment of the invention, an input and output circuit is connected at two ends of the resistor with the rotor and the stator connected in parallel, and the resistor with the rotor and the stator connected in parallel can be measured through the pull-up resistor of the circuit.
Step 502: based on the measured resistance, inquiring an angle corresponding to the resistance in the corresponding relation of the resistance and the angle of the storage unit; wherein the angle is an angle of rotation of the rotor relative to the stator.
Step 503: and determining the angle of the keyboard of the electronic equipment relative to the screen by detecting the rotation angle of the rotor relative to the stator.
Here, the angle of rotation of the rotor with respect to the stator is the angle of the keyboard of the electronic device with respect to the screen.
In the embodiment of the invention, when the resistance of the rotor and the stator which are connected in parallel is measured, the angle corresponding to the resistance can be inquired in the storage unit, so that the current rotation angle of the rotor relative to the stator is determined.
The technical schemes described in the embodiments of the present invention can be combined arbitrarily without conflict.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.

Claims (8)

1. The angle detection device is characterized by comprising a storage unit, a control unit and a control unit, wherein the storage unit is used for recording the corresponding relation between resistance and angle; the angle detection equipment also comprises a columnar stator and a columnar rotor sleeved outside the stator; the stator is provided with a resistor; a resistor is arranged on the rotor; the resistor on the rotor is contacted with the resistor on the stator through an elastic sheet, so that the resistor on the rotor is connected with the resistor on the stator in parallel; wherein,
when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, so that the parallel resistance of the rotor and the stator is correspondingly changed.
2. The angle detecting apparatus according to claim 1, wherein the stator is provided with a resistor which is:
a linear resistor is arranged in the middle of the outer wall of the stator, and coil resistors are arranged at two ends of the outer wall of the stator; wherein,
the linear resistor is connected in series with the coil resistor.
3. The angle detection apparatus according to claim 2, wherein the number of turns of the coiled resistance provided to the first end of the stator is the same as the number of turns of the coiled resistance provided to the second end of the stator.
4. An angle detection method is applied to angle detection equipment, and is characterized in that the angle detection equipment comprises a storage unit, wherein the storage unit is used for recording the corresponding relation between a resistor and an angle; the angle detection equipment also comprises a columnar stator and a columnar rotor sleeved outside the stator; the stator is provided with a resistor; a resistor is arranged on the rotor; the resistor on the rotor is contacted with the resistor on the stator through an elastic sheet, so that the resistor on the rotor is connected with the resistor on the stator in parallel; when the rotor rotates relative to the stator, the contact position of the elastic sheet and the stator is correspondingly changed, so that the parallel resistance of the rotor and the stator is correspondingly changed; the angle detection method comprises the following steps:
measuring the resistance of the rotor in parallel with the stator;
based on the measured resistance, inquiring an angle corresponding to the resistance in the corresponding relation of the resistance and the angle of the storage unit; wherein the angle is an angle of rotation of the rotor relative to the stator.
5. The angle detecting method according to claim 4, wherein the stator is connected to a keyboard of an electronic device, and the rotor is connected to a screen of the electronic device; the angle detection method further includes:
and determining the angle of the keyboard of the electronic equipment relative to the screen by detecting the rotation angle of the rotor relative to the stator.
6. The angle detection method according to claim 5, wherein two ends of the rotor connected in parallel with the stator are respectively connected with an input/output end GPIO on the main board of the electronic device; accordingly, the measuring the resistance of the rotor in parallel with the stator comprises:
and measuring the resistance of the rotor and the stator which are connected in parallel through the GPIO.
7. The angle detecting method according to claim 4, wherein the stator is provided with a resistor, comprising:
a linear resistor is arranged in the middle of the outer wall of the stator, and coil resistors are arranged at two ends of the outer wall of the stator; wherein,
the linear resistor is connected in series with the coil resistor.
8. The angle detecting method according to claim 7, wherein the number of turns of the coiled resistance provided to the first end of the stator is the same as the number of turns of the coiled resistance provided to the second end of the stator.
CN201510091863.9A 2015-02-28 2015-02-28 A kind of angle sensing device and angle detecting method Active CN105987663B (en)

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CN105987663B true CN105987663B (en) 2019-03-08

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Publication number Priority date Publication date Assignee Title
CN112994365B (en) * 2021-02-24 2022-03-29 长安大学 Motor resistance type rotor position detection device and method

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CN102025911A (en) * 2009-09-22 2011-04-20 佛山市顺德区顺达电脑厂有限公司 Angle adjusting device
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CN204064233U (en) * 2014-07-08 2014-12-31 联想(北京)有限公司 A kind of rotation angle measurement instrument and electronic equipment

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Publication number Priority date Publication date Assignee Title
CN1576783A (en) * 2003-07-23 2005-02-09 Lg电子株式会社 Method and apparatus for detecting position of mobile robot
US7986139B2 (en) * 2005-06-26 2011-07-26 Amiteq Co., Ltd. Position sensor having stacked flat coils
CN102025911A (en) * 2009-09-22 2011-04-20 佛山市顺德区顺达电脑厂有限公司 Angle adjusting device
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