CN216283558U - Accurate low-power consumption angle sensor - Google Patents
Accurate low-power consumption angle sensor Download PDFInfo
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- CN216283558U CN216283558U CN202122722220.3U CN202122722220U CN216283558U CN 216283558 U CN216283558 U CN 216283558U CN 202122722220 U CN202122722220 U CN 202122722220U CN 216283558 U CN216283558 U CN 216283558U
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Abstract
The application discloses an accurate low-power consumption angle sensor, which comprises a shell, a top cover and a circuit board, wherein the shell is arranged in the shell, a shaft sleeve is arranged in the bottom of the shell and communicated with an inner cavity of the shell, a rotating shaft is arranged in the shaft sleeve in a rotating way, both ends of the rotating shaft extend out of the shaft sleeve, a rotating frame is fixedly arranged on the outer wall of the rotating shaft in the shell, a magnet is arranged on the outer wall of the rotating shaft in the shell, a magneto-resistance effect element is arranged on the outer side wall of the rotating frame and is arranged on the side wall of the inner cavity of the shell, a lubricating mechanism is arranged between the rotating shaft and the shaft sleeve, the magneto-resistance effect element corresponds to the magnet in an initial state, the rotating shaft drives the magnet to rotate through the rotating frame, so that the magnetic field of the magneto-resistance effect element is changed, the resistance of the magneto-resistance effect element is changed and is transmitted to the circuit board, the structure is simplified by the cooperation of a magneto-resistive effect element and the magnet.
Description
Technical Field
The utility model relates to an accurate low-power-consumption angle sensor.
Background
The angle sensor technology is a mature technology in the market at present, the rotating angle of the current rotating shaft is determined by mainly driving an electric brush to rotate on a resistance ring through the rotating shaft so as to output different resistance values, a control mechanism makes a control decision according to the resistance values output by the angle sensor so as to achieve the purpose of automatic control, but the internal structure of the existing angle sensor is complex, and a plurality of magnetic induction chips are adopted in some angle sensors, so that the processing is difficult, the power consumption is too large during use, and in order to solve the problems, an angle sensor with low power consumption is provided, so that improvement is needed.
Disclosure of Invention
The present invention is directed to solving one of the technical problems of the prior art.
The application provides an accurate low-power consumption angle sensor, a serial communication port, include:
a housing comprising a shell and a top cover;
a circuit board mounted within the housing;
the shaft sleeve is arranged at the bottom of the shell and is communicated with the inner cavity of the shell;
the rotating shaft is rotatably arranged in the shaft sleeve, and two ends of the rotating shaft extend out of the shaft sleeve;
the rotating frame is fixedly arranged on the outer wall of the rotating shaft in the shell;
a magnet installed on an outer sidewall of the rotating frame;
a magneto-resistive effect element mounted on the housing cavity sidewall;
and the lubricating mechanism is arranged between the rotating shaft and the shaft sleeve.
By adopting the accurate low-power consumption angle sensor, in an initial state, the magnetic resistance effect element corresponds to the magnet, the rotating shaft is rotated, the magnet is driven to rotate through the rotating frame, the magnetic field of the magnetic resistance effect element is changed, the resistance of the magnetic resistance effect element is changed, and the resistance is transmitted to the circuit board.
Further comprising:
the shell and the shaft sleeve are integrally formed through injection molding.
Further comprising:
the rotating shaft and the rotating frame are integrally formed through injection molding.
The lubricating mechanism includes:
the fixed sleeve is sleeved on the inner wall of the shaft sleeve;
the movable sleeve is sleeved on the outer wall of the rotating shaft;
the groove is arranged on the inner wall of the fixed sleeve;
a solid self-lubricating material disposed in the groove;
the outer wall of the fixed sleeve is in interference fit with the inner wall of the shaft sleeve, the inner wall of the movable sleeve is in interference fit with the outer wall of the rotating shaft, and the inner wall of the fixed sleeve is in sliding fit with the outer wall of the movable sleeve.
Further comprising:
a chip pocket disposed on the movable sleeve sidewall.
Further comprising:
and the sealing gaskets are provided with a pair of sealing gaskets which are respectively arranged between the two ends of the fixed sleeve and the bottom surfaces of the rotating frame and the bottom end of the shaft sleeve.
The advantageous effects of the present invention will be explained in detail in the embodiments, thereby making the advantageous effects more apparent.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an accurate low-power angle sensor according to an embodiment of the present application.
Reference numerals
1-shell, 2-top cover, 3-circuit board, 4-shaft sleeve, 5-rotating shaft, 6-rotating frame, 7-magnet, 8-magneto-resistance effect element, 9-fixed sleeve, 10-movable sleeve, 11-groove, 12-chip groove and 13-sealing washer.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
The server provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.
Example 1:
as shown in fig. 1, an embodiment of the present application provides an accurate low-power consumption angle sensor, which includes:
a housing comprising a housing 1 and a top cover 2;
a circuit board 3 mounted within the housing 1;
the shaft sleeve 4 is arranged at the bottom of the shell 1 and is communicated with the inner cavity of the shell 1;
the rotating shaft 5 is rotatably arranged in the shaft sleeve 4, and two ends of the rotating shaft extend out of the shaft sleeve 4;
the rotating frame 6 is fixedly arranged on the outer wall of the rotating shaft 5 in the shell 1;
a magnet 7 mounted on an outer sidewall of the turret 6;
a magneto-resistance effect element 8 mounted on the side wall of the inner cavity of the housing 1;
and the lubricating mechanism is arranged between the rotating shaft 5 and the shaft sleeve 4.
In the embodiment of the application, adopt foretell low-power consumption angle sensor, during initial state, magnetic resistance effect component 8 is corresponding with magnet 7, rotate pivot 5, drive magnet 7 through rotating turret 6 and rotate, make magnetic resistance effect component 8's magnetic field change, the resistance that arouses magnetic resistance effect component 8 changes, and transmit circuit board 3 in, through the cooperation of a magnetic resistance effect component 8 with magnet 7, the structure has been simplified, compare with prior art, the power consumption has been reduced, the energy has been practiced thrift.
Example 2:
in this embodiment, in addition to the structural features of the foregoing embodiment, the method further includes:
the housing 1 and the sleeve 4 are integrally formed by injection molding.
In the embodiment, due to the adoption of the structure, the shell 1 and the shaft sleeve 4 are molded into an integral structure through injection, so that later-stage assembly is facilitated, the assembly cost and the processing cost are reduced, and the assembly is facilitated.
Example 3:
in this embodiment, in addition to the structural features of the foregoing embodiment, the method further includes:
the rotating shaft 5 and the rotating frame 6 are integrally formed through injection molding.
In the embodiment, due to the adoption of the structure, the rotating shaft 5 and the rotating frame 6 are molded into an integral structure through injection, so that later-stage assembly is facilitated, the assembly cost and the processing cost are reduced, and the assembly is facilitated.
Example 4:
in this embodiment, in addition to including the structural features of the foregoing embodiment, the lubricating mechanism includes:
the fixed sleeve 9 is sleeved on the inner wall of the shaft sleeve 4;
the movable sleeve 10 is sleeved on the outer wall of the rotating shaft 5;
a groove 11 arranged on the inner wall of the fixed sleeve 9;
a solid self-lubricating material disposed in said grooves 11;
wherein, the outer wall of fixed sleeve 9 with interference fit between the 4 inner walls of axle sleeve, the inner wall of activity sleeve 10 with interference fit between the outer wall of pivot 5, sliding fit between 9 inner walls of fixed sleeve and the outer wall of activity sleeve 10.
In the embodiment, due to the adoption of the structure, when the rotating shaft 5 rotates, friction occurs between the inner wall of the fixed sleeve 9 and the inner wall of the movable sleeve 10, the inner wall of the fixed sleeve 9 and the inner wall of the movable sleeve 10 are lubricated by the arrangement of the solid self-lubricating material, so that the friction force generated between the movable sleeve 10 and the fixed sleeve 9 when the movable sleeve 10 rotates is reduced, the rotating shaft 5 rotates smoothly and timely, and the precision of the angle sensor is improved.
Example 5:
in this embodiment, in addition to the structural features of the foregoing embodiment, the method further includes:
chip collecting grooves 12 are arranged on the side wall of the movable sleeve 10.
In the embodiment, due to the adoption of the structure, the scraps generated when the outer wall of the movable sleeve 10 rubs against the inner wall of the fixed sleeve 9 fall into the scrap collecting groove 12, so that the friction force of the movable sleeve 10 in the fixed sleeve 9 during rotation is reduced, the service life of the movable sleeve 10 and the fixed sleeve 9 is prolonged, and the precision of the movable sleeve 10 and the fixed sleeve 9 during matching rotation is ensured.
Example 6:
in this embodiment, in addition to the structural features of the foregoing embodiment, the method further includes:
and a pair of sealing washers 13 respectively arranged between the two ends of the fixed sleeve 9 and the bottom surfaces of the rotating frame 6 and the shaft sleeve 4.
In the embodiment, due to the adoption of the structure, the arrangement of the sealing washer 13 prevents dust from entering between the fixed sleeve 9 and the movable sleeve 10, so that the friction force of the movable sleeve 10 in the fixed sleeve 9 during rotation is reduced, the service lives of the movable sleeve 10 and the fixed sleeve 9 are prolonged, and the precision of the movable sleeve 10 and the fixed sleeve 9 during matching rotation is ensured.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the utility model is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (6)
1. An accurate low-power consumption angle sensor, comprising:
a housing comprising a shell (1) and a top cover (2);
a circuit board (3) mounted within the housing (1);
the shaft sleeve (4) is arranged at the bottom of the shell (1) and is communicated with the inner cavity of the shell (1);
the rotating shaft (5) is rotatably arranged in the shaft sleeve (4) and two ends of the rotating shaft extend out of the shaft sleeve (4);
the rotating frame (6) is fixedly arranged on the outer wall of the rotating shaft (5) in the shell (1);
a magnet (7) mounted on the outer side wall of the rotating frame (6);
a magneto-resistance effect element (8) mounted on the side wall of the inner cavity of the housing (1);
and the lubricating mechanism is arranged between the rotating shaft (5) and the shaft sleeve (4).
2. An accurate low power consumption angle sensor according to claim 1, further comprising:
the shell (1) and the shaft sleeve (4) are integrally formed through injection molding.
3. An accurate low power consumption angle sensor according to claim 1, further comprising:
the rotating shaft (5) and the rotating frame (6) are integrally formed through injection molding.
4. An accurate low power consumption angle sensor according to claim 1, characterized in that the lubricating mechanism comprises:
the fixed sleeve (9) is sleeved on the inner wall of the shaft sleeve (4);
the movable sleeve (10) is sleeved on the outer wall of the rotating shaft (5);
a groove (11) arranged on the inner wall of the fixed sleeve (9);
a solid self-lubricating material disposed in said groove (11);
wherein, fixed sleeve (9) outer wall with interference fit between axle sleeve (4) inner wall, the inner wall of activity sleeve (10) with interference fit between the outer wall of pivot (5), sliding fit between fixed sleeve (9) inner wall and activity sleeve (10) outer wall.
5. An accurate low power consumption angle sensor according to claim 4, further comprising:
a chip pocket (12) arranged on the side wall of the movable sleeve (10).
6. An accurate low power consumption angle sensor according to claim 4 or 5, further comprising:
and the sealing gaskets (13) are provided with a pair of sealing gaskets and are respectively arranged between the two ends of the fixed sleeve (9) and the bottom surfaces of the rotating frame (6) and the shaft sleeve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122722220.3U CN216283558U (en) | 2021-11-08 | 2021-11-08 | Accurate low-power consumption angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122722220.3U CN216283558U (en) | 2021-11-08 | 2021-11-08 | Accurate low-power consumption angle sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216283558U true CN216283558U (en) | 2022-04-12 |
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ID=81006963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122722220.3U Active CN216283558U (en) | 2021-11-08 | 2021-11-08 | Accurate low-power consumption angle sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216283558U (en) |
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2021
- 2021-11-08 CN CN202122722220.3U patent/CN216283558U/en active Active
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