CN105845403A - Differential transformer capable of measuring rotation angle - Google Patents
Differential transformer capable of measuring rotation angle Download PDFInfo
- Publication number
- CN105845403A CN105845403A CN201610308736.4A CN201610308736A CN105845403A CN 105845403 A CN105845403 A CN 105845403A CN 201610308736 A CN201610308736 A CN 201610308736A CN 105845403 A CN105845403 A CN 105845403A
- Authority
- CN
- China
- Prior art keywords
- chute
- differential transformer
- hole
- slide block
- pipe body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/14—Variable transformers or inductances not covered by group H01F21/00 with variable magnetic bias
- H01F29/146—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention discloses a differential transformer capable of measuring a rotation angle. The differential transformer comprises a round pipe body, wherein three segments of winding slots are formed in the outer wall of the pipe body along the axial direction; a primary coil is wound in the middle winding slot; secondary coils are wound in the other two winding slots; the two secondary coils are reversely connected in series; a sliding block is coaxially assembled in a through hole in the center of the pipe body in a sliding manner; a sliding chute is formed in the inner wall of the pipe body along the axial direction; a guide block which is matched with the sliding chute in shape and is clamped into the sliding chute in a sliding manner is arranged on the sliding block; a central threaded through hole is coaxially formed in the sliding block; a lead screw is arranged in the central threaded through hole in a screw manner; and two ends of the lead screw penetrate through pipe orifices in the corresponding ends of the pipe body respectively. By the differential transformer, measurement of the rotation angle can be achieved; and the differential transformer has relatively high measurement accuracy and accuracy.
Description
Technical field
The present invention relates to field transformer, a kind of differential transformer measuring rotational angle.
Background technology
Transformator be the principle utilizing electromagnetic induction to change the device of alternating voltage, differential transformer is the one of transformator
Kind, it is used for measuring the non electrical quantity parameters such as displacement, pressure, vibration, but still not used for the differential transformer knot measuring rotational angle
Structure.
Summary of the invention it is an object of the invention to provide a kind of differential transformer measuring rotational angle, and its structure is improved
Ingenious, the measurement of rotational angle can be realized, there is higher certainty of measurement and accuracy, practicality is good.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of differential transformer measuring rotational angle, it is characterised in that: including the body of circle, tube wall is vertically
It is provided with three sections of winding slots, wherein middle winding slot is wound with primary coil, remaining two sections of winding slot is wound with secondary wire
Circle, and two secondary coil differential concatenations, in described body central through hole, coaxial slidable fit has slide block, and described inboard wall of tube body is along axle
To being provided with chute, slide block is provided with the guide pad snapping in chute with chute form fit slip, in being coaxially provided with in slide block
Heart tapped through hole, screws togather in the tapped through hole of center and is provided with screw mandrel, and screw mandrel two ends pass respectively from the body corresponding end mouth of pipe.
Described a kind of differential transformer measuring rotational angle, it is characterised in that: the upper and lower side of described inboard wall of tube body is divided
Being provided with the chute of dove-tail the most vertically, the upper and lower side of slide block is respectively equipped with and snaps in chute with chute form fit slip
Guide pad.
The working method of the present invention is:
In the present invention, the coaxially connected testee of screw mandrel, when testee turns an angle, drive screw mandrel to rotate, with silk
Bar screws togather the slide block of assembling and is then axially moveable in body, thus changes the magnetic flux by secondary coil, makes two secondary wire
Enclose the conversion of total output voltage, it is achieved the measurement of rotational angle.
The invention have the advantage that
Present configuration improves ingenious, can realize the measurement of rotational angle, have higher certainty of measurement and accuracy, practicality
Good.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Detailed description of the invention
Shown in Figure 1, a kind of differential transformer measuring rotational angle, include the body 1 of circle, outside body 1
Wall is provided with three sections of winding slots vertically, is wound with primary coil 3 in wherein middle winding slot, is wound around in remaining two sections of winding slot
Having secondary coil 4, and two secondary coil 4 differential concatenations, in described body 1 central through hole 2, coaxial slidable fit has slide block 5, pipe
Internal wall 1 is provided with chute 6 vertically, and slide block 5 is provided with the guide pad 7 snapping in chute 6 with chute 6 form fit slip,
Slide block 5 is coaxially provided with center tapped through hole, center tapped through hole screws togather screw mandrel 8 is installed, and screw mandrel 8 two ends are respectively from pipe
The body 1 corresponding end mouth of pipe passes.
The upper and lower side of described body 1 inwall is provided with the chute 6 of dove-tail respectively in axial direction, and the upper and lower side of slide block 5 sets respectively
There is the guide pad 7 snapping in chute 6 with chute 6 form fit slip.
Claims (2)
1. the differential transformer that can measure rotational angle, it is characterised in that: including the body of circle, tube wall is along axle
To being provided with three sections of winding slots, wherein middle winding slot is wound with primary coil, remaining two sections of winding slot is wound with secondary
Coil, and two secondary coil differential concatenations, in described body central through hole, coaxial slidable fit has slide block, described inboard wall of tube body edge
Being axially arranged with chute, slide block is provided with the guide pad snapping in chute with chute form fit slip, is coaxially provided with in slide block
Center tapped through hole, screws togather in the tapped through hole of center and is provided with screw mandrel, and screw mandrel two ends are worn respectively from the body corresponding end mouth of pipe
Go out.
A kind of differential transformer measuring rotational angle the most according to claim 1, it is characterised in that: in described body
The upper and lower side of wall is provided with the chute of dove-tail respectively in axial direction, and the upper and lower side of slide block is respectively equipped with and chute form fit sliding
Snap in the guide pad in chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308736.4A CN105845403A (en) | 2016-05-09 | 2016-05-09 | Differential transformer capable of measuring rotation angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610308736.4A CN105845403A (en) | 2016-05-09 | 2016-05-09 | Differential transformer capable of measuring rotation angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105845403A true CN105845403A (en) | 2016-08-10 |
Family
ID=56592191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610308736.4A Pending CN105845403A (en) | 2016-05-09 | 2016-05-09 | Differential transformer capable of measuring rotation angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105845403A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968842A (en) * | 2020-08-20 | 2020-11-20 | 沈阳工业大学 | Rotary loose coupling transformer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100150A (en) * | 1985-04-01 | 1986-07-30 | 刘荣逵 | Long core differential transformer |
| JPH09113210A (en) * | 1995-10-13 | 1997-05-02 | Sanmei Denki Kk | Rotation type differential transformer |
| CN102231316A (en) * | 2011-03-24 | 2011-11-02 | 西北工业大学 | Two-section-type double-iron-core differential transformer |
| CN203300420U (en) * | 2013-05-06 | 2013-11-20 | 马鞍山豪远电子有限公司 | Differential transformer structure |
| CN103851568A (en) * | 2012-11-29 | 2014-06-11 | 深圳市海洋王照明工程有限公司 | Lamp holder angle adjusting structure and airport approach lamp using lamp holder angle adjusting structure |
| CN205645503U (en) * | 2016-05-09 | 2016-10-12 | 安徽恒源煤电股份有限公司 | Measurable quantity turned angle's differential transformer |
-
2016
- 2016-05-09 CN CN201610308736.4A patent/CN105845403A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100150A (en) * | 1985-04-01 | 1986-07-30 | 刘荣逵 | Long core differential transformer |
| JPH09113210A (en) * | 1995-10-13 | 1997-05-02 | Sanmei Denki Kk | Rotation type differential transformer |
| CN102231316A (en) * | 2011-03-24 | 2011-11-02 | 西北工业大学 | Two-section-type double-iron-core differential transformer |
| CN103851568A (en) * | 2012-11-29 | 2014-06-11 | 深圳市海洋王照明工程有限公司 | Lamp holder angle adjusting structure and airport approach lamp using lamp holder angle adjusting structure |
| CN203300420U (en) * | 2013-05-06 | 2013-11-20 | 马鞍山豪远电子有限公司 | Differential transformer structure |
| CN205645503U (en) * | 2016-05-09 | 2016-10-12 | 安徽恒源煤电股份有限公司 | Measurable quantity turned angle's differential transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968842A (en) * | 2020-08-20 | 2020-11-20 | 沈阳工业大学 | Rotary loose coupling transformer |
| CN111968842B (en) * | 2020-08-20 | 2021-12-28 | 沈阳工业大学 | Rotary loose coupling transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160810 |
|
| RJ01 | Rejection of invention patent application after publication |