CN201829296U - Stepped coil type angle sensor and stepped transformer type angle sensor - Google Patents
Stepped coil type angle sensor and stepped transformer type angle sensor Download PDFInfo
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- CN201829296U CN201829296U CN201020542237XU CN201020542237U CN201829296U CN 201829296 U CN201829296 U CN 201829296U CN 201020542237X U CN201020542237X U CN 201020542237XU CN 201020542237 U CN201020542237 U CN 201020542237U CN 201829296 U CN201829296 U CN 201829296U
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- stairstepping
- type angle
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Abstract
The utility model discloses a stepped coil type angle sensor which has small volume and compact structure, and is convenient to wind. The stepped coil type angle sensor is characterized in that the angle sensor comprises at least two coil frames fixed together, all the coil frames are respectively and internally provided with a channel, and the channels of all the coil frames are communicated mutually. A stepped transformer type angle sensor comprises a base 7, a magnet exciting coil 1 and an inducting coil 2 are arranged on the base 7, and the same magnetizer 3 is sheathed in the magnet exciting coil 1 and the inducting coil 2; and the stepped transformer type angle sensor is characterized in that an arc magnetic bar is used as the magnetizer 3, and a stepped coil is used as the inducting coil 2. The sensors has the remarkable effects of having good uniformity and consistency and low manufacturing cost, the difficulty in setting of parameters of the magnet exciting coil 1 and the inducting coil 2 is simplified, and the design cost thereof is reduced.
Description
Technical field
The utility model belongs to installation device of sensor, specifically, is a kind of stairstepping coil and stairstepping transformer type angle transducer that transmits based on electromagnetic signal.
Background technology
Traditional transformer type sensor mainly contains three kinds of structure types: the one, become air gap type, the 2nd, variable cross-section type, the 3rd, solenoid type.
Wherein become the air gap type because very high, non-linear seriously, only being applicable to of sensitivity measured 1mm with interior micro-displacement.The measuring range of variable cross-section type increases to some extent, can be designed to angular transducer easily, but its shortcoming be non-linear still clearly, linear output area is too little, generally about 20 degree.The indication range of solenoid type is big, and stroke is easy to any arrangement, uses very extensive, but solenoid type all is to adopt the straight-tube shape loop construction, when being used for the angle detection, must be that linear pattern is slided with rotation change, limit the application performance of solenoid type transformer type sensor by mechanical structure.Above-mentioned conventional art all has a common drawback, and they all adopt the differential type loop construction in actual use, and the differential type loop construction can only provide linear output, can not need customize curve of output by the user.
For this reason, the applicant has designed a kind of transformer type angle sensing device, and its structure is the magnet exciting coil and the induction coil of suit circular arc on same circular arc magnetic conduction bar.This transformer type angle sensing device volume is little, indication range is big, the customizable stairstepping transformer type angle of curve of output transducer, can be applicable to the detection of various angular displacements.The angle displacement that satisfies different radians detects needs, and its output linearity also can be provided with making as required.
But its maximum shortcoming is: because the lead of magnet exciting coil and induction coil need be wrapped on the coil rack of circular arc, or be on the coil rack that circular arc arranges, its coiling difficulty is very big, and the product technology difficulty height, the cost that wind up are higher.
Summary of the invention
The purpose of this utility model provides a kind of stairstepping coil and stairstepping transformer type angle transducer, possessing transformer type angle sensing device advantage, wherein the stairstepping coil possesses the advantage of being convenient to coiling is arranged, and can improve the uniformity and the consistency of stairstepping transformer type angle transducer.
For achieving the above object, the utility model provides a kind of stairstepping coil and based on a kind of stairstepping transformer type angle transducer of this stairstepping coil.
Wherein the key of stairstepping coil is: be positioned as close in order to make coil and magnetic conductor, the combination of having adopted two or more straight tube coils to misplace and arrange, this structure is made up of at least two coil racks that are fixed together, all have passage in all coils skeleton, and the passage of all coils skeleton communicates, like this, the passage in the coil and the running orbit of circular arc magnetic conductor are more identical, also convenient during coiling, when needs wound the line to one of them coil rack, only needing with this coil rack center line be benchmark, is rotated coiling and gets final product, when after to another coil rack, can change to corresponding coiling benchmark and get final product.
The shape of stairstepping coil and circular-arc magnetic conductor can be in better matching in shape, and possess the advantage of being convenient to coiling, can realize the uniformity and the consistency of transformer type angle transducer equally.
The center line of adjacent two coil racks is positioned on two straight lines, and these two straight lines can have a certain degree.A preferred scheme is: the stairstepping that is of all coils skeleton is arranged.The center line of all coils skeleton is parallel to each other.Be easier to seek the coiling datum line of each coil rack like this.
The cross section of described coil rack is " U " shape or " O " shape or " n " shape.
A kind of stairstepping transformer type angle transducer, be provided with base, magnet exciting coil and induction coil are installed on this base, and be set with same magnetic conductor in magnet exciting coil and the induction coil, its key is: described magnetic conductor is a circular arc magnetic conduction bar, described magnet exciting coil is the straight tube-like coil, and described induction coil is the stairstepping coil.
Perhaps magnet exciting coil and induction coil all are wound on the same stairstepping coil, utilize the coiling advantage of stairstepping coil, have reduced the cost of manufacture of transducer, have also simplified magnet exciting coil and the induction coil parameter is provided with difficulty, have reduced the Design of Sensor cost.
Described magnetic conductor is by two-layer at least magnetic conduction bar overlapping composition, and the length that stretches between adjacent magnetic conduction bar in the described induction coil increases progressively successively.
The magnetic stripe of different length can be adjusted the output linearity of induction coil.
Be positioned at described induction coil magnetic conductor in addition and be connected with support arm, on this support arm rotating shaft is installed, this rotating shaft is positioned at the circular arc circle centre position of described magnetic conductor.
Left and right guide vane end stop limits the moving range of described support arm.Also limit the oscillating stroke of magnetic conductor, avoided the stroke of magnetic conductor to transfinite.
Magnet exciting coil also can be fixed on the magnetic conductor or on the support arm or in the rotating shaft.Make support arm and rotating shaft with magnetic conductor, just can be fixed on the support arm magnet exciting coil or rotating shaft, as long as it is just passable most magnetic lines of force to be introduced magnetic conductor.Magnet exciting coil is connected with signal source through active wire.
Be fixed with master arm in the described rotating shaft, be fixed with left and right guide vane end stop on the described base, wherein the left limit piece is positioned at the left end of described master arm motion track, and the right limit piece is positioned at the right-hand member of described master arm motion track, and described left and right guide vane end stop limits the moving range of described master arm.
Described magnetic conductor to the minimum air line distance of induction coil greater than 1mm.
Also be fixed with second magnetic inductive block in the described stairstepping coil, this second magnetic inductive block is near the running orbit of described magnetic conductor;
Described second magnetic inductive block is positioned at the end of the running orbit of described magnetic conductor.
Second magnetic inductive block is fixed on formulates the position, and when magnetic conductor advanced to this position, subsequent conditioning circuit identification was convenient in the induced signal generation cataclysm on the induction coil.
Remarkable result of the present utility model is: provide that a kind of volume is little, compact conformation, be convenient to the stairstepping coil of coiling, adopt the designed stairstepping transformer type angle transducer uniformity and the high conformity that goes out of this stairstepping coil, cost of manufacture is low, also simplify magnet exciting coil and the induction coil parameter is provided with difficulty, reduced the Design of Sensor cost.
The indication range of this stairstepping transformer type angle transducer is big, the customizable stairstepping transformer type angle of curve of output transducer, can be applicable to the detection of various angular displacements.The angle displacement that satisfies different radians detects needs, and its output linearity also can be provided with making as required fast.
Description of drawings
Fig. 1 is the structure chart of embodiment 1, wherein
Fig. 1 a is first kind of structural representation of embodiment 1;
Fig. 1 b is second kind of structural representation of embodiment 1;
Fig. 2 is first kind of structural representation of embodiment 2;
Fig. 3 is second kind of structural representation of embodiment 2;
Fig. 4 is the third structural representation of embodiment 2.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1, embodiment 1:
A kind of stairstepping coil is made up of at least two coil racks that are fixed together, and all have passage in all coils skeleton, and the passage of all coils skeleton communicates.
When needs wind the line to one of them coil rack, only needing with this coil rack center line is benchmark, carries out even coiling, just can lay out the coiling requirement of satisfying this coil rack, when lead after to another coil rack, only need to change corresponding coiling benchmark and get final product.
The stairstepping coil possesses the advantage of being convenient to coiling is arranged, and can improve the uniformity and the consistency of stairstepping transformer type angle transducer.
The center line of adjacent two coil racks is positioned on two straight lines.
The stairstepping that is of all coils skeleton is arranged.The center line of all coils skeleton is parallel to each other.Be easier to seek the coiling datum line of each coil rack like this.
The cross section of described coil rack is " U " shape or " O " shape or " n " shape.
Embodiment 2: set a kind of stairstepping transformer type angle transducer on the basis of embodiment 1,
Shown in Fig. 2,3,4, this stairstepping transformer type angle transducer is provided with base 7, magnet exciting coil 1 and induction coil 2 are installed on this base 7, and be set with same magnetic conductor 3 in magnet exciting coil 1 and the induction coil 2, described magnetic conductor 3 is a circular arc magnetic conduction bar, described magnet exciting coil 1 is the straight tube-like coil, and described induction coil 2 is the stairstepping coil.
Shown in Fig. 2,4, magnet exciting coil 1 and induction coil 2 are wound on the same stairstepping coil.
As shown in Figure 3, magnet exciting coil 1 independent coiling, induction coil 2 adopts the stairstepping coil, utilize the coiling advantage of stairstepping coil, reduce the cost of manufacture of transducer, also simplified magnet exciting coil 1 and induction coil 2 parameters are provided with difficulty, reduced the Design of Sensor cost.
Described magnetic conductor 3 is by two-layer at least magnetic conduction bar overlapping composition, and the length that stretches between adjacent magnetic conduction bar in the described induction coil 2 increases progressively successively.
The magnetic stripe of different length can be adjusted the output linearity of induction coil.
Be positioned at described induction coil 2 magnetic conductor 3 in addition and be connected with support arm 6, on this support arm 6 rotating shaft 5 is installed, this rotating shaft 5 is positioned at the circular arc circle centre position of described magnetic conductor 3.
Be provided with the moving range that left and right guide vane end stop limits described support arm.Also limit the oscillating stroke of magnetic conductor, avoided the stroke of magnetic conductor to transfinite.
The minimum air line distance that described magnetic conductor 3 arrives induction coil 2 can avoid induction too responsive greater than 1mm like this.
As shown in Figure 3, also be fixed with second magnetic inductive block 9 in the described stairstepping coil, this second magnetic inductive block 9 is near the running orbit of described magnetic conductor 3;
Described second magnetic inductive block 9 is positioned at the end of the running orbit of described magnetic conductor 3.
Second magnetic inductive block is fixed on formulates the position, and when magnetic conductor advanced to this position, subsequent conditioning circuit identification was convenient in the induced signal generation cataclysm on the induction coil.
Although above structure is described preferred embodiment of the present utility model in conjunction with the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic rather than determinate; those of ordinary skill in the art is under enlightenment of the present utility model; under the prerequisite of the utility model aim and claim; can make multiple similar expression; as change coil rack size and quantity; change the coil-winding structure and the number of plies; the number of plies of magnetic conduction bar changes; multiple permeability magnetic material is arranged in pairs or groups mutually; the length of each layer magnetic conduction bar differs; mode such as overlapped, such conversion all falls within the protection range of the present utility model.
Claims (10)
1. a stairstepping coil is characterized in that: be made up of at least two coil racks that are fixed together, all have passage in all coils skeleton, and the passage of all coils skeleton communicate.
2. stairstepping coil according to claim 1 is characterized in that: the stairstepping that is of coil rack is arranged.
3. stairstepping coil according to claim 1 is characterized in that: the cross section of described coil rack is " U " shape or " O " shape or " n " shape.
4. stairstepping coil according to claim 1 is characterized in that: the center line of adjacent two coil racks is positioned on two straight lines.
5. stairstepping transformer type angle transducer, be provided with base (7), magnet exciting coil (1) and induction coil (2) are installed on this base (7), and be set with same magnetic conductor (3) in magnet exciting coil (1) and the induction coil (2), it is characterized in that: described magnetic conductor (3) is a circular arc magnetic conduction bar, and described induction coil (2) is the stairstepping coil.
6. stairstepping transformer type angle transducer according to claim 5 is characterized in that: described magnetic conductor (3) is by two-layer at least magnetic conduction bar overlapping composition, and the length that stretches between adjacent magnetic conduction bar in the described induction coil (2) increases progressively successively.
7. stairstepping transformer type angle transducer according to claim 5, it is characterized in that: be positioned at described induction coil (2) magnetic conductor (3) in addition and be connected with support arm (6), rotating shaft (5) is installed on this support arm (6), and this rotating shaft (5) is positioned at the circular arc circle centre position of described magnetic conductor (3).
8. stairstepping transformer type angle transducer according to claim 7, it is characterized in that: be fixed with master arm (10) in the described rotating shaft (5), be fixed with left and right guide vane end stop (8,8 ') on the described base (7), wherein left limit piece (8) is positioned at the left end of described master arm (10) motion track, right limit piece (8 ') is positioned at the right-hand member of described master arm (10) motion track, and described left and right guide vane end stop (8,8 ') limits the moving range of described master arm (10).
9. stairstepping transformer type angle transducer according to claim 5 is characterized in that: described magnetic conductor (3) arrives the minimum air line distance of induction coil (2) greater than 1mm.
10. stairstepping transformer type angle transducer according to claim 5 is characterized in that: also be fixed with second magnetic inductive block (9) in the described stairstepping coil, this second magnetic inductive block (9) is near the running orbit of described magnetic conductor (3);
Described second magnetic inductive block (9) is positioned at the end of the running orbit of described magnetic conductor (3).
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020542237XU CN201829296U (en) | 2010-09-26 | 2010-09-26 | Stepped coil type angle sensor and stepped transformer type angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020542237XU CN201829296U (en) | 2010-09-26 | 2010-09-26 | Stepped coil type angle sensor and stepped transformer type angle sensor |
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| Publication Number | Publication Date |
|---|---|
| CN201829296U true CN201829296U (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020542237XU Expired - Fee Related CN201829296U (en) | 2010-09-26 | 2010-09-26 | Stepped coil type angle sensor and stepped transformer type angle sensor |
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| CN (1) | CN201829296U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522194A (en) * | 2011-12-12 | 2012-06-27 | 陕西宝成航空仪表有限责任公司 | Ladder winding method for transformer type sensor coil |
-
2010
- 2010-09-26 CN CN201020542237XU patent/CN201829296U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522194A (en) * | 2011-12-12 | 2012-06-27 | 陕西宝成航空仪表有限责任公司 | Ladder winding method for transformer type sensor coil |
| CN102522194B (en) * | 2011-12-12 | 2013-09-11 | 陕西宝成航空仪表有限责任公司 | Ladder winding method for transformer type sensor coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20140926 |
|
| EXPY | Termination of patent right or utility model |