CN204064233U - A kind of rotation angle measurement instrument and electronic equipment - Google Patents
A kind of rotation angle measurement instrument and electronic equipment Download PDFInfo
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- CN204064233U CN204064233U CN201420376232.2U CN201420376232U CN204064233U CN 204064233 U CN204064233 U CN 204064233U CN 201420376232 U CN201420376232 U CN 201420376232U CN 204064233 U CN204064233 U CN 204064233U
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- tumbler
- measurement instrument
- rotation angle
- rotating shaft
- angle measurement
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Abstract
The utility model discloses a kind of rotation angle measurement instrument and electronic equipment.Described rotation angle measurement instrument, comprise: angular sensor, described angular sensor comprises the first tumbler and the second tumbler, and described first tumbler can relatively rotate with described second tumbler, and described first tumbler can export rotational angle signal; Analog-digital converter, for receiving above-mentioned rotational angle signal, and is converted into digital signal by angle signal.Described electronic equipment comprises rotation axis, described rotation axis comprises the first rotating shaft and second rotating shaft of hinge, described rotation axis is provided with above-mentioned rotation angle measurement instrument, wherein, described first rotating shaft is fixedly connected with described first tumbler, and described second rotating shaft is fixedly connected with described second tumbler.Rotation angle measurement instrument disclosed in the utility model, degree of accuracy is high.When the first tumbler and the second tumbler have less relatively rotating, monitoring angle can be monitored.
Description
Technical field
The utility model relates to a kind of rotation angle measurement instrument and electronic equipment.
Background technology
In the handheld device, some are had with pivot design, such as notebook computer, smart mobile phone, PAD etc.In these products, sometimes need the angle information detecting rotating shaft, to obtain some states of equipment, the position of such as rotating shaft, the position of support, the angle etc. of camera.At this time just need a reasonable rotating shaft position detection method.
The method of existing acquisition rotating shaft position, normally arranges a magnet in rotating shaft, apparatus body is arranged a hall device, the height outputed signal by hall device, judges the distance of magnet distance.But, this method can only detect roughly magnet near and away from hall device, accurately cannot detect the angle position of rotating shaft relative to apparatus body.And, if rotating shaft is thinner, even likely causes the distance of magnet and hall device far away not, effectively cannot provide signal.
Therefore, need to invent a kind of novel rotation angle measurement instrument.
Utility model content
Fundamental purpose of the present utility model is, provides a kind of novel rotation angle measurement instrument, thus solves the problem that existing rotation angle measurement instrument accurately cannot detect axis of rotation angle.
The purpose of this utility model and solve its technical matters and realize by the following technical solutions.
By a kind of rotation angle measurement instrument, comprise: angular sensor, described angular sensor comprises the first tumbler and the second tumbler, and described first tumbler can relatively rotate with described second tumbler, and described first tumbler can export rotational angle signal; Analog-digital converter, for receiving above-mentioned rotational angle signal, and is converted into digital signal by angle signal.
Preferably, described angular sensor is potentiometer, and described first tumbler is removable brush, and described second tumbler is resistive element.
Preferably, described rotation angle measurement instrument also comprises power connection, and described power connection is connected with described second tumbler.
Preferably, described rotation angle measurement instrument also comprises earth connection point, and described earth connection point is connected with described second tumbler.
Preferably, described rotation angle measurement instrument also comprises micro-control unit, and described micro-control unit is connected with described analog-digital converter.
The purpose of this utility model, can also be realized by technical scheme below.By a kind of electronic equipment, comprise rotation axis, described rotation axis comprises the first rotating shaft and second rotating shaft of hinge, described rotation axis is provided with above-mentioned rotation angle measurement instrument, wherein, described first rotating shaft is fixedly connected with described first tumbler, and described second rotating shaft is fixedly connected with described second tumbler.
Preferably, the axis of described first rotating shaft and the dead in line of described first tumbler.
Preferably, described electronic equipment comprises screen end and host side, and described screen end is fixedly connected with described first tumbler, and described host side is fixedly connected with described second tumbler.
Preferably, described electronic equipment comprises counterpart and main body, and described counterpart is fixedly connected with described first tumbler, and described main body is fixedly connected with described second tumbler.
Preferably, described counterpart is bracing frame or camera;
Preferably, described main body is display or main frame.
By technique scheme, a kind of rotation angle measurement instrument, Anneta module and the electronic equipment that the utility model proposes at least have following advantages:
1) rotation angle measurement instrument disclosed in the utility model, degree of accuracy is high.When the first tumbler and the second tumbler have less relatively rotating, monitoring angle can be monitored.
2) resistive film of potentiometer have employed special process, can ensure the rotation life-span of at least 30 ten thousand times, be enough to the demand meeting product.
3) by the setting of ground wire, the use safety of rotation angle measurement instrument can be guaranteed.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of instructions, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model rotation angle measurement instrument embodiment;
Fig. 2 is the structural representation of the utility model electronic equipment embodiment;
Fig. 3 is confined explosion's structural representation of Fig. 2.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the embodiment of rotation angle measurement instrument, Anneta module and the electronic equipment that the utility model proposes, structure, feature and effect thereof, be described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
Rotation angle measurement instrument embodiment
Rotation angle measurement instrument as a kind of in Fig. 1, comprise: angular sensor 1, described angular sensor 1 comprises the first tumbler 11 and the second tumbler 12, described first tumbler 11 can relatively rotate with described second tumbler 12, and described first tumbler 11 can export rotational angle signal; Analog-digital converter 2, for receiving above-mentioned rotational angle signal, and is converted into digital signal by angle signal.Analog-digital converter 2 (Analog-to-digitalconverter, ADC) is a kind equipment of the discrete signal for the continuous signal of analog form being converted to digital form.Analog-digital converter 2 can provide signal for measuring.
Described first tumbler 11 is when relatively rotating with described second tumbler 12, a relative change in displacement can be produced, particularly, described first tumbler 11 is provided with contact, described second tumbler 12 is provided with end points, when described first tumbler 11 and described second tumbler 12 produce relative rotation, end points on contact on described first tumbler 11 and described second tumbler 12, produce relative displacement, speed searches the first tumbler 11 can by this displacement data (i.e. the rotational angle signal of described first tumbler 11), pass to described analog-digital converter 2, described analog-digital converter 2 is according to described rotational angle signal, calculate the rotational angle of described first tumbler 11 relative to the second tumbler 12.
Described first tumbler 11 is relatively rotating with described second tumbler 12, can be that described first tumbler 11 rotates, and described second tumbler 12 maintains static; Also can be that described second tumbler 12 rotates, and described first tumbler 11 maintains static.
By the setting of described first tumbler 11 and described second tumbler 12, the degree of accuracy of described rotation angle measurement instrument can be made very high, that is, between described first tumbler 11 and described second tumbler 12 relatively rotate angle less time, also can be detected.
Preferably, described angular sensor 1 is potentiometer, and described first tumbler 11 is removable brush, and described second tumbler 12 is resistive element.In the present embodiment, as long as add bias voltage at described potentiometer the two poles of the earth, it can along with the change of rotational angle, linear exports analog voltage from detection pin, as long as the linearity of this output quantity is enough good, system can obtain rotational angle accurately after being changed by analog-digital converter 2 easily.That is, described removable brush, can move around described resistive element, thus produce different voltage differences, the displacement that described analog-digital converter 2 calculates described removable brush and described resistive element according to described voltage difference is concrete, and namely described first tumbler 11 is relative to the rotational angle of described second tumbler 12.
In the present embodiment, the resistive film of described potentiometer have employed special process, can ensure the rotation life-span of at least 30 ten thousand times, be enough to the demand meeting product.
Preferably, described rotation angle measurement instrument also comprises power connection 13, and described power connection 13 is connected with described second tumbler 12.Described power connection 13 is connected with AC power or direct supply, for providing electric energy to described rotation angle measurement instrument.
Preferably, described rotation angle measurement instrument also comprises earth connection point 14, and described earth connection point 14 is connected with described second tumbler 12.Described earth connection point 14 is connected with the earth, is used for electric current to introduce wire greatly; When electrical equipment electric leakage or overtension, electric current enters the earth by ground wire.Thus ensure the use safety of described rotation angle measurement instrument.
Preferably, described rotation angle measurement instrument also comprises micro-control unit 3, and described micro-control unit 3 is connected with described analog-digital converter 2.Micro-control unit 3 (Micro Control Unit), also known as one chip microcomputer (Single Chip Microcomputer) or single-chip microcomputer, refer to the appearance along with large scale integrated circuit and development thereof, by the CPU of computing machine, RAM, ROM, timer conter and multiple I/O Interface integration on one chip, form the computing machine of chip-scale, do various combination for different application scenarios and control.
Selectively, described micro-control unit 3 can provide control signal to described rotation angle measurement instrument, namely controls the rotational angle between described first tumbler 11 and the second tumbler 12.
Electronic equipment embodiment
A kind of electronic equipment as shown in Figures 2 and 3, comprise rotation axis, described rotation axis comprises the first rotating shaft 4 and the second rotating shaft 5 of hinge, described rotation axis is provided with above-mentioned rotation angle measurement instrument, described first rotating shaft 4 is fixedly connected with described first tumbler 11, and described second rotating shaft 5 is fixedly connected with described second tumbler 12.
Thus, according to the measurement result of described rotation angle measurement instrument, the angle between described first tumbler 11 and described second tumbler 12 can be drawn, namely, the rotational angle between described first rotating shaft 4 and described second rotating shaft 5.
Below for the display of belt supporting frame, described electronic equipment is further described:
Described electronic equipment comprises counterpart and main body, and described counterpart is bracing frame 6, and described main body is display 7, and described counterpart is fixedly connected with described first tumbler 11, and described main frame is fixedly connected with described second tumbler 12.When rotating support frame as described above 6, support frame as described above 6 and described main frame can be made at an angle, measured by described rotation angle measurement instrument, the angle between described first tumbler 11 and described second tumbler 12 can be obtained, namely, described first rotating shaft 4 relative to the rotational angle of described second rotating shaft 5, the angle namely between support frame as described above 6 and described screen.
Selectively, described counterpart can also be camera.Thus, the angle between described camera and described screen can be obtained by described rotation angle measurement instrument.
Selectively, described main body can also be main frame, and described main frame is connected with support frame as described above 6, and its concrete connected mode is implemented with reference to display.By support frame as described above 6, described main frame is supported, and can angular adjustment be carried out.
Selectively, described main body can also be the keyboard of band supporting leg.
Selectively, described main body can also be the tablet device of band bracing frame 6.
Preferably, the axis of described first rotating shaft 4 and the dead in line of described first tumbler 11.The demand that described first tumbler 11 detects with described first rotating shaft 4 angle matches.In structural design, only need the axial alignment the axis of described first rotating shaft 4 and described first tumbler 11, in the present embodiment, by connecting link 8, described first rotating shaft 4 is connected with described rotation angle measurement instrument, particularly, by described connecting link 8, described first rotating shaft 4 being connected with described first tumbler 11, making described first rotating shaft 4 described first tumbler 11 can be driven to rotate together when rotating.
In the present embodiment, described connecting link 8 is triangular prismatic type structure, the groove that described first rotating shaft 4 is closed with described connecting link 8 matching form, thus, described first rotating shaft 4 can being made when rotating, driving described first web member to rotate together.
Certainly, the shape of described web member can also be other shapes, and described first rotating shaft 4 is provided with the groove with the mating shapes of described connecting link 8, and can, when described first rotating shaft 4 is rotated, drive described first tumbler 11 to carry out rotating.
Selectively, described first tumbler 11 can also be fixedly connected with described first rotating shaft 4.
Selectively, described electronic equipment can also be notebook computer or clamshell phone, described notebook computer or clamshell phone comprise screen end and host side, and described screen end is fixedly connected with described first tumbler 11, and described host side is fixedly connected with described second tumbler 12.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a rotation angle measurement instrument, is characterized in that, comprising:
Angular sensor, described angular sensor comprises the first tumbler and the second tumbler, and described first tumbler can relatively rotate with described second tumbler, and described first tumbler can export rotational angle signal;
Analog-digital converter, for receiving above-mentioned rotational angle signal, and is converted into digital signal by angle signal.
2. rotation angle measurement instrument according to claim 1, is characterized in that,
Described angular sensor is potentiometer, and described first tumbler is removable brush, and described second tumbler is resistive element.
3. rotation angle measurement instrument according to claim 1, is characterized in that,
Also comprise power connection, described power connection is connected with described second tumbler.
4. rotation angle measurement instrument according to claim 1, is characterized in that,
Also comprise earth connection point, described earth connection point is connected with described second tumbler.
5. rotation angle measurement instrument according to claim 1, is characterized in that,
Also comprise micro-control unit, described micro-control unit is connected with described analog-digital converter.
6. an electronic equipment, comprises rotation axis, and described rotation axis comprises the first rotating shaft and second rotating shaft of hinge, it is characterized in that:
Described rotation axis is provided with the rotation angle measurement instrument according to any one of claim 1 to 5,
Wherein, described first rotating shaft is fixedly connected with described first tumbler, and described second rotating shaft is fixedly connected with described second tumbler.
7. electronic equipment according to claim 6, is characterized in that,
The axis of described first rotating shaft and the dead in line of described first tumbler.
8. electronic equipment according to claim 6, is characterized in that,
Described electronic equipment comprises screen end and host side,
Described screen end is fixedly connected with described first tumbler, and described host side is fixedly connected with described second tumbler.
9. electronic equipment according to claim 6, is characterized in that,
Described electronic equipment comprises counterpart and main body,
Described counterpart is fixedly connected with described first tumbler, and described main body is fixedly connected with described second tumbler.
10. electronic equipment according to claim 9, is characterized in that,
Described counterpart is bracing frame or camera;
Described main body is display or main frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420376232.2U CN204064233U (en) | 2014-07-08 | 2014-07-08 | A kind of rotation angle measurement instrument and electronic equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420376232.2U CN204064233U (en) | 2014-07-08 | 2014-07-08 | A kind of rotation angle measurement instrument and electronic equipment |
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| CN204064233U true CN204064233U (en) | 2014-12-31 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987663A (en) * | 2015-02-28 | 2016-10-05 | 联想(北京)有限公司 | Angle detecting equipment and angle detecting method |
| CN109682327A (en) * | 2019-01-25 | 2019-04-26 | Oppo广东移动通信有限公司 | Angle measurement unit and electronic equipment |
| CN111102916A (en) * | 2018-10-28 | 2020-05-05 | 爱盛科技股份有限公司 | Angle sensing device |
| CN113090146A (en) * | 2021-04-02 | 2021-07-09 | 上海创米科技有限公司 | Hinge and method for mounting distance measuring assembly in hinge |
| CN113107292A (en) * | 2021-04-02 | 2021-07-13 | 上海创米科技有限公司 | Hinge and method for mounting potentiometer in hinge |
-
2014
- 2014-07-08 CN CN201420376232.2U patent/CN204064233U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987663A (en) * | 2015-02-28 | 2016-10-05 | 联想(北京)有限公司 | Angle detecting equipment and angle detecting method |
| CN105987663B (en) * | 2015-02-28 | 2019-03-08 | 联想(北京)有限公司 | A kind of angle sensing device and angle detecting method |
| CN111102916A (en) * | 2018-10-28 | 2020-05-05 | 爱盛科技股份有限公司 | Angle sensing device |
| US11041708B2 (en) | 2018-10-28 | 2021-06-22 | Isentek Inc. | Angle sensing device |
| CN109682327A (en) * | 2019-01-25 | 2019-04-26 | Oppo广东移动通信有限公司 | Angle measurement unit and electronic equipment |
| CN113090146A (en) * | 2021-04-02 | 2021-07-09 | 上海创米科技有限公司 | Hinge and method for mounting distance measuring assembly in hinge |
| CN113107292A (en) * | 2021-04-02 | 2021-07-13 | 上海创米科技有限公司 | Hinge and method for mounting potentiometer in hinge |
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