CN208536784U - A kind of winding construction improving the LVDT linearity - Google Patents
A kind of winding construction improving the LVDT linearity Download PDFInfo
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- CN208536784U CN208536784U CN201821140677.5U CN201821140677U CN208536784U CN 208536784 U CN208536784 U CN 208536784U CN 201821140677 U CN201821140677 U CN 201821140677U CN 208536784 U CN208536784 U CN 208536784U
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Abstract
The utility model provides a kind of winding construction for improving the LVDT linearity, part is segmented including skeleton and several coilings, it is equipped with coiling on skeleton and is segmented part, it includes short winding bobbin and coiling partition that coiling, which is segmented part, coiling partition is vertically arranged with short winding bobbin, a looping pit passed through for cylinder is equipped on coiling partition, it is cavity structure in cylinder, radiation resistance material is filled in cavity, the plug connector for connecting several coilings segmentation part is equipped in short winding bobbin bottom, plug is equipped in one end of plug connector, the other end is equipped with jack, in plug connector, heat release hole is equipped on short winding bobbin and coiling partition, plug connector, short winding bobbin and coiling partition form heat dissipation channel.The utility model winding construction was not only able to achieve " double to pass through cone " winding construction advantage, but also can improve the purpose of LVDT linear precision, while can also take into account mechanization automatic winding, improved production efficiency, was promoted around line mass.
Description
Technical field
The utility model relates to displacement transducer technology field more particularly to a kind of winding knots for improving the LVDT linearity
Structure.
Background technique
Linear differential transformer displacement transducer (LVDT) is as straight line, the measuring cell of mechanical displacement, each
Industrial application is more and more extensive, and unique architectural characteristic determines it with excellent performance indicator and good resistance to environment
The series of advantages such as adaptability, extra long life, high reliability.
Current all linear differential transformer displacement transducers (LVDT) are to realize in effective axial length spatial dimension
The interior purpose for expanding linear measurement range, improving linear precision, two output winding mostly use " double to pass through cone " formula design structure.
Typical LVDT structure is illustrated in fig. 1 shown below.
Export winding construction schematic cross-section and winding row schematic diagram around the path, following Fig. 2.The advantages of winding construction, is just
It can be achieved on the realization in same axial winding length spatial dimension increase linear measurement range, improve output voltage gradient
(sensitivity).
For the winding construction during Project Realization, the segmentation and coiling of winding mode are all manually to complete completely
(such as Fig. 1 is artificially divided into 7 sections on entire axial length), is difficult to accomplish equidistant partition, leads to unit length umber of turn
It is inconsistent, it not can control the tension of enameled wire, to a certain extent it cannot be guaranteed that the uniformity of coil, i.e., coil matter not easy to control
It measures (coil q), due to being first to export winding 1 in bottom coiling first, is then formed again in the first output winding 1
Stepped space basis on coiling second export winding 2, ending or beginning of the every layer of enameled wire in each piecewise interval
In the presence of directly " cross line " (Fig. 2 dotted portion), easily occur that every layer of coiling out-of-flatness, unit length umber of turn be inconsistent, line
Property precision do not obtain situations such as essence improves but, wire winding is complicated, low efficiency, is unfavorable for realizing industrialization automatic assembly line
Operation.
Therefore, the LVDT winding composed structure of a kind of completely new LVDT winding bobbin form and a kind of brand new is designed
It combines, was not only able to achieve " double to pass through cone " winding construction advantage, but also the purpose of LVDT linear precision can be improved, while machine can also be taken into account
Tool automatic winding improves production efficiency, is promoted around line mass, is a urgent problem to be solved.
Summary of the invention
The utility model will solve the above technical problem, provide a kind of winding construction for improving the LVDT linearity.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of winding construction improving the LVDT linearity, including skeleton and several coilings are segmented part, in the skeleton
It is equipped with coiling and is segmented part, LVDT winding bobbin structure is formed by coiling segmentation part；The coiling segmentation part includes short
Winding bobbin and coiling partition, the coiling partition are vertically arranged with short winding bobbin, and one is equipped on the coiling partition
For the looping pit that cylinder passes through, the cylinder interior is cavity structure, radiation resistance material is filled in cavity, described short
Winding bobbin bottom is equipped with the plug connector for connecting several coilings segmentation part, is equipped with plug in one end of the plug connector, separately
One end be equipped with jack, be equipped with heat release hole on the plug connector, short winding bobbin and coiling partition so that plug connector, it is short around
Line skeleton and coiling partition form heat dissipation channel, and coil and core loss fever are effectively exported and distributed by heat dissipation channel.
Further, it in composition LVDT winding bobbin structure, is set on the coiling partition of the coiling segmentation part at both ends
There is the baffle for preventing cylinder from falling off.
Further, it is formed by coiling piecewise interval I and II in two neighboring coiling segmentation part, coiling swashs respectively
Magnetic winding, the first output winding, the second output winding and compensative winding as needed.
Further, enameled wire used in the field winding in all piecewise intervals/first output winding/second output winding
Line footpath may be the same or different, the output characteristic curve realized as needed is matched.
Further, the radiation resistance material is PPS (polyphenylene sulfide) fibrous material.
Further, the connecting mode between the coiling segmentation part can also be welding, bonding or other modes.
Further, the connecting mode between the short winding bobbin and plug connector is Nian Jie.
Further, the connecting mode between the plug connector and skeleton is welding, Nian Jie and other modes.
Further, the coiling segmentation part is made by metal or nonmetallic materials, which is segmented part
Effect is that longer axial winding length space is divided into the shorter axial winding length space of length, to realize that this is shorter
The uniformity of umber of turn in axial winding length space.
Further, the coiling segmentation part and skeleton can be according to specific LVDT performance indicator demands on axial length
It is arbitrarily adjusted, such as needs coiling segmentation part that can have axially different length dimension.But coiling is segmented part axial length
Size is unanimously advantageously implemented the standardization of LVDT, Seriation Design structure.
The utility model has the advantages and positive effects of:
(1) increase coiling and be segmented part, entire skeleton is made to be divided into several equidistant length coilings by coiling segmentation part
Space can accomplish between same batch, divided winding length consistency between different batches, guarantor unit's length umber of turn is opposite
Unanimously.
(2), it can be achieved that carrying out coiling around machine using automatic row in each coiling interval range.
(3) can be avoided every layer of piecewise interval ending or beginning because exist directly " cross line " (Fig. 2 dotted portion),
There is outer layer coiling unevenness phenomenon.
(4) in each piecewise interval can according to performance indicator needs, adjust separately field winding, output winding, output around
The line footpath of group, to realize, performance parameter is adjusted in the piecewise interval, reaches the local directed complete set output electricity in linear measurement range
The purpose of pressure amplitude value, as needed " customized " the piecewise interval linear precision, to improve the line in entire linear measurement range
Property precision.
(5) segmentation coiling is changed by whole length coiling, in each piecewise interval, wire winding is simple, it is high-efficient,
Coiling Forming Quality is high.
(6) mechanized equipment progress can be used in winding process, is advantageously implemented industrialization automatic assembly line, batch jobs.
(7) winding process can reject human factor and the technical ability differentia influence of people, and production efficiency, procedure quality can be improved
Stablize.
Detailed description of the invention
Fig. 1 is typical LVDT structural schematic diagram；
Fig. 2 is output winding construction schematic cross-section and winding row schematic diagram around the path；
Fig. 3 is existing double skeleton structure schematic diagrames for passing through wimble structure LVDT.The uniform coiling magnetizing coil of coiling on skeleton,
Thereafter successively coiling first exports winding, the second output winding.(shown in Figure 1)；
Fig. 4 is free from the coiling segmentation design of part schematic diagram of plug connector；
Fig. 5 is the coiling segmentation design of part schematic diagram containing plug connector；
The LVDT winding bobbin structural schematic diagram that Fig. 6 is made of coiling segmentation part (without plug connector)；
The LVDT winding bobbin structural schematic diagram that Fig. 7 is made of coiling segmentation part (containing plug connector)；
Fig. 8 is wound around the structural schematic diagram after winding；
Fig. 9 is the side view of coiling segmentation part；
Figure 10 is the structural schematic diagram of cylinder.
In figure:
1, the first output winding；2, the second output winding；3, skeleton；4, magnetic swashs coil；5, coiling partition；6, short coiling bone
Frame；7, looping pit；8, cylinder；9, plug connector；10, plug；11, jack；12, baffle；13, field winding.
Specific embodiment
It elaborates with reference to the accompanying drawing to specific embodiment of the utility model.
As shown in figures 4-9, a kind of winding construction improving the LVDT linearity, including skeleton 3 and several coilings segmentation zero
Part is equipped with coiling on the skeleton 3 and is segmented part, forms LVDT winding bobbin structure by coiling segmentation part；The coiling
Being segmented part includes short winding bobbin 6 and coiling partition 5, and the coiling partition 5 is vertically arranged with short winding bobbin 6, described
Coiling partition 5 is equipped with a looping pit 7 passed through for cylinder, is cavity structure in the cylinder 8, is filled in cavity
Radiation resistance material, the radiation resistance material are PPS (polyphenylene sulfide) fibrous material.It is equipped with and connects in short 6 bottom of winding bobbin
The plug connector 9 for connecing several coilings segmentation part is equipped with plug 10 in one end of the plug connector, and the other end is equipped with jack 11,
It is equipped with heat release hole on the plug connector 9, short winding bobbin 6 and coiling partition 5, so that plug connector 9,6 and of short winding bobbin
Coiling partition 5 forms heat dissipation channel, and coil and core loss fever are effectively exported and distributed by heat dissipation channel.It is forming
In LVDT winding bobbin structure, it is equipped with the baffle 12 for preventing cylinder from falling off on the coiling partition 5 of the coiling segmentation part at both ends,
Plug 10 is not provided on the plug connector 9 of the coiling segmentation part on top.
Connecting mode between the coiling segmentation part can also be welding, bonding or other modes.The short coiling
Connecting mode between skeleton 6 and plug connector 9 is Nian Jie.Connecting mode between the plug connector 9 and skeleton 3 is welding, glues
It connects and other modes.
Coiling segmentation part is made by metal or nonmetallic materials, the effect of coiling segmentation part be by compared with
Long axial winding length space is divided into the shorter axial winding length space of length, to realize that the shorter axial winding is long
Spend the uniformity of umber of turn in space.
The coiling segmentation part and skeleton can carry out random on axial length according to specific LVDT performance indicator demand
Adjustment such as needs coiling segmentation part that can have axially different length dimension.But it is consistent that coiling is segmented part axial length dimension
It is advantageously implemented standardization, the Seriation Design structure of LVDT.
It is formed by coiling piecewise interval I and II in two neighboring coiling segmentation part, difference coiling field winding 13,
First output winding 1, second exports winding 2 and compensative winding as needed.Field winding 13, first in piecewise interval
The coiling sequencing that output winding 1, second exports winding 2 can be adjusted as needed.By swashing in all piecewise intervals
Magnetic winding 13, first exports the output winding 2 of winding 1, second and is attached, and forms field winding, the first output of entire LVDT
Winding, the second output winding.Field winding 13/ first in all piecewise intervals exports winding 1/ second and exports used in winding 2
The line footpath of enameled wire may be the same or different, and the output characteristic curve realized as needed is matched.
The utility model winding construction by the identical coiling of two or more specification be segmented part by welding, bonding or other
Mode constitutes the frame design structure of a longer winding bobbin；Same winding is by two kinds or more different line footpath coilings simultaneously
Molding Winding Design structure.Has the advantages that anti-radiation and good heat dissipation effect.Both it was able to achieve " double to pass through cone " winding construction advantage,
The purpose of LVDT linear precision can be improved again, while can also take into account mechanization automatic winding, improves production efficiency, promote coiling matter
Amount.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the invention.It is all according to equivalent change made by the scope of the utility model with
Improve etc., it shall still fall within the scope of this patent.
Claims (10)
1. a kind of winding construction for improving the LVDT linearity, it is characterised in that: it is segmented part including skeleton and several coilings,
The skeleton is equipped with coiling and is segmented part, and the coiling segmentation part includes short winding bobbin and coiling partition, the coiling
Partition is vertically arranged with short winding bobbin, and a looping pit passed through for cylinder, the circle are equipped on the coiling partition
Internal cylinder is cavity structure, and radiation resistance material is filled in cavity, is equipped in the short winding bobbin bottom and connects several
Coiling be segmented part plug connector, one end of the plug connector be equipped with plug, the other end be equipped with jack, the plug connector,
Heat release hole is equipped on short winding bobbin and coiling partition, plug connector, short winding bobbin and coiling partition form heat dissipation channel.
2. it is according to claim 1 it is a kind of improve the LVDT linearity winding construction, it is characterised in that: composition LVDT around
In line skeleton structure, the coiling partition at both ends is equipped with the baffle for preventing cylinder from falling off.
3. a kind of winding construction for improving the LVDT linearity according to claim 1 or 2, it is characterised in that: adjacent two
A coiling segmentation part is formed by coiling piecewise interval I and II, respectively coiling field winding, the first output winding, second
Export winding and compensative winding as needed.
4. a kind of winding construction for improving the LVDT linearity according to claim 3, it is characterised in that: all piecewise intervals
The line footpath of enameled wire used in interior field winding/the first output winding/second output winding can be identical or different, as needed
The output characteristic curve of realization is matched.
5. a kind of winding construction for improving the LVDT linearity according to claim 1, it is characterised in that: the anti-radiation material
Material is PPS fibrous material.
6. a kind of winding construction for improving the LVDT linearity according to claim 1, it is characterised in that: the coiling segmentation
Connecting mode between part can also be welding, bonding.
7. a kind of winding construction for improving the LVDT linearity according to claim 1, it is characterised in that: the short coiling bone
Connecting mode between frame and plug connector is Nian Jie.
8. it is according to claim 1 it is a kind of improve the LVDT linearity winding construction, it is characterised in that: the plug connector with
Connecting mode between skeleton is welding, bonding.
9. a kind of winding construction for improving the LVDT linearity according to claim 1, it is characterised in that: the coiling segmentation
Part is made by metal or nonmetallic materials.
10. a kind of winding construction for improving the LVDT linearity according to claim 1, it is characterised in that: the coiling point
Section part and skeleton can arbitrarily be adjusted on axial length according to specific LVDT performance indicator demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821140677.5U CN208536784U (en) | 2018-07-19 | 2018-07-19 | A kind of winding construction improving the LVDT linearity |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821140677.5U CN208536784U (en) | 2018-07-19 | 2018-07-19 | A kind of winding construction improving the LVDT linearity |
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| CN208536784U true CN208536784U (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440835A (en) * | 2019-08-15 | 2019-11-12 | 厦门乃尔电子有限公司 | A kind of LVDT linear precision compensation technique |
| CN110736429A (en) * | 2018-07-19 | 2020-01-31 | 科峰航智电气科技（天津）有限公司 | winding structure for improving linearity of LVDT |
-
2018
- 2018-07-19 CN CN201821140677.5U patent/CN208536784U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736429A (en) * | 2018-07-19 | 2020-01-31 | 科峰航智电气科技（天津）有限公司 | winding structure for improving linearity of LVDT |
| CN110440835A (en) * | 2019-08-15 | 2019-11-12 | 厦门乃尔电子有限公司 | A kind of LVDT linear precision compensation technique |
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