CN205376285U - High frequency electrical resolver - Google Patents
High frequency electrical resolver Download PDFInfo
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- CN205376285U CN205376285U CN201521116621.2U CN201521116621U CN205376285U CN 205376285 U CN205376285 U CN 205376285U CN 201521116621 U CN201521116621 U CN 201521116621U CN 205376285 U CN205376285 U CN 205376285U
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Abstract
The utility model discloses a high frequency electrical resolver, include: the magnetic core, it includes first magnetic core, second magnetic core, printed circuit board draws the coil, and it includes that a printed circuit board draws the coil and the 2nd printed circuit board draws the coil, a printed circuit board draws the coil and establishes on the first magnetic core, the 2nd printed circuit board draws the coil and establishes on the second magnetic core with a printed circuit board draws the relative position of coil, wherein, the second magnetic core winds the center pin of first magnetic core rotates realizes electromagnetic coupling. The utility model discloses need not manual coiling transmission coil, solved manual coiling transmission coil's uniformity problem for electrical resolver's first magnetic core and the controllable precision of second magnetic core distance improve, reduce the size of transformer, have improved the validity of transformer magnetic coupling.
Description
Technical field
This utility model relates to high frequency signal transmission technical field, and more specifically, this utility model relates to a kind of high-frequency rotating transformator.
Background technology
In Mechatronic Systems, it is frequently encountered signal or energy demand and is transferred to other end of situation from the one end rotated against.Generally adopt the transmission having the brush of spring contact can meet energy or signal.But, when transmission frequency is higher or under rotating speed situation faster, the transmission means of contact can bring the unstability that abrasion causes, the friction of contact also can introduce certain system noise.Additionally, the transmission coil of common magnetic core rotary transformer all adopts and coil is coiled into spring-like, it is arranged on coupling magnetic core, thus realizing the transfer function of signal, but this magnetic core is because of problems such as installation accuracies, certain gap is there is between magnetic core rotor and stator, the manufacturing rotary transformer core gap of existing mode is all relatively larger, transmission loss for higher frequency signals can be very big, and relative rotation speed relatively low (< 1000r/min), application scenario is had certain restriction, hence for high rotating speed, altofrequency, the transmission application of low noise is necessary for exploring a kind of special contactless rotary transfer mode.
Utility model content
For the weak point existed in above-mentioned technology, this utility model provides a kind of high-frequency rotating transformator, the the first core center axle rotation being arranged with the first printed circuit board drafting coil by being provided with the second magnetic core of the second printed circuit board drafting coil realizes electromagnetic coupled formation rotary transformer, without manual coiling transmission coil, solve the consistency problem of manual coiling transmission coil, it is possible not only to improve the efficiency of transformator processing, is more beneficial for reducing the coupling distance of transformator consequently facilitating the coil of the less transformator of structure is installed.
In order to realize according to these purposes of the present utility model and further advantage, this utility model is achieved through the following technical solutions:
High-frequency rotating transformator described in the utility model, including:
Magnetic core, it includes the first magnetic core and the second magnetic core；
Printed circuit board draws coil, and it includes the first printed circuit board and draws coil and the second printed circuit board drafting coil；Described first printed circuit board is drawn coil and is located on described first magnetic core, and described second printed circuit board is drawn coil and is located on described second magnetic core and draws, with described first printed circuit board, the position that coil is relative；
Wherein, the second magnetic core realizes electromagnetic coupled around the central axis of described first magnetic core.
Preferably, described first printed circuit board drafting coil and described second printed circuit board draw coil is tabular；
Described first magnetic core is provided with the first groove embedding described first printed circuit board drafting coil；
Described second magnetic core and described first groove opposite face are provided with the second groove embedding described second printed circuit board drafting coil.
Preferably, the degree of depth of described first groove is H1, and the degree of depth of described second groove is H2, and the thickness that described first printed circuit board draws coil is a1, and the thickness that described second printed circuit board draws coil is a2；
H1 and a1 meets: H1 > a1；
H2 and a2 meets: H2 > a2.
Preferably, described first printed circuit board is drawn between coil and described first groove, described second printed circuit board is drawn and is equipped with the first glue layer between coil and described second groove；
Described first printed circuit board is drawn coil and is bonded to described first groove by described first glue layer, and described second printed circuit board is drawn coil and is bonded to described second groove by described first glue layer.
Preferably, described first glue layer thickness is h, meets, a1+h≤H1；a2+h≤H2.
Preferably, described first magnetic core is 0.01mm-1mm with the mounting distance of described second magnetic core.
Preferably, described first printed circuit board drafting coil and described second printed circuit board draw coil is all rigid circuit board or flexible PCB.
Preferably, described first printed circuit board draws coil and the described second printed circuit board drafting all curling cylindrical shape in hollow of coil；
Described first magnetic core is cylindrical, and described first printed circuit board is drawn coil and is equidistantly set in outside described first magnetic core along described first magnetic core is radial parallel；Described second magnetic core is provided with the cylindrical recesses holding described first magnetic core, and described second printed circuit board is drawn coil and is attached to described cylindrical recesses surface.
Preferably, described first magnetic core and described first printed circuit board are drawn between coil, are equipped with the second glue layer between described second magnetic core and described second printed circuit board drafting coil；
Described first printed circuit board is drawn coil and is bonded to described first magnetic core by described second glue layer；Described second printed circuit board is drawn coil and is bonded to described second magnetic core by described second glue layer.
Preferably, the mounting distance 0.01mm-1mm of described first magnetic core and described second magnetic core.
This utility model at least includes following beneficial effect:
1) the first core center axle rotation being arranged with the first printed circuit board drafting coil by being provided with the second magnetic core of the second printed circuit board drafting coil realizes electromagnetic coupled formation rotary transformer, without manual coiling transmission coil, solve the consistency problem of manual coiling transmission coil, it is possible not only to improve the efficiency of transformator processing, is more beneficial for reducing the coupling distance of transformator consequently facilitating the coil of the less transformator of structure is installed；
2) after flat first printed circuit board drafting coil and the second printed circuit board drafting coil are respectively embedded into the first magnetic core and the second magnetic core, be conducive to improving flatness and the concordance on the first magnetic core and the second magnetic core surface, thus improving the installation accuracy of transformator, improving the coupling efficiency of high speed rotating transformator；
3) degree of depth of the first groove is H1, and the degree of depth of the second groove is H2, and it is a1 that the first printed circuit board draws the thickness of coil, and it is a2 that the second printed circuit board draws the thickness of coil；H1 and a1 meets: H1 > a1；H2 and a2 meets: H2 > a2.The degree of depth of the first groove draws the thickness of coil more than the first printed circuit board, the degree of depth of the second groove draws the thickness of coil more than the second printed circuit board, and respectively the first printed circuit board draws the embedding installation offer facility of coil and the second printed circuit board drafting coil；
4) the first printed circuit board draws the mode embedding installation employing glue bonding of coil and the second printed circuit board drafting coil, and the first glue layer thickness is h, satisfied, a1+h≤H1；A2+h≤H2, make the first printed circuit board draw coil and the second printed circuit board is drawn after coil is respectively embedded into installation and will not be highlighted the first magnetic core and the surface of the second magnetic core, under higher machining accuracy, the first printed circuit board drafting coil can also be realized and the second printed circuit board is drawn coil and flushed with the surface of the first magnetic core and the second magnetic core respectively, thus more effective reduction the first printed circuit board draws coil and the coupling distance of the second printed circuit board drafting coil, improve transformer-coupled efficiency；
5) mounting distance of 0.01mm-1mm, can realize by adopting the first printed circuit board drafting coil and the second printed circuit board to draw coil, while ensureing high-frequency rotating transformator magnetic coupling effectiveness, also reduce the coupling distance of high-frequency rotating transformator.
Part is embodied by further advantage of the present utility model, target and feature by description below, and part also will by being understood by those skilled in the art research of the present utility model and practice.
Accompanying drawing explanation
Fig. 1 is the structural representation of the first printed circuit board drafting coil of this utility model embodiment 1；
Fig. 2 be the first magnetic core of this utility model embodiment 1 vacant time structural representation；
The structural representation after the first printed circuit board draws coil installed by the first magnetic core that Fig. 3 is this utility model embodiment 1；
The profile after the first printed circuit board draws coil installed by the first magnetic core that Fig. 4 is this utility model embodiment 1；
The high-frequency rotating transformator installation diagram that Fig. 5 provides for this utility model embodiment 1；
Fig. 6 is the structural representation of the first printed circuit board drafting coil of this utility model embodiment 2；
Fig. 7 is the structural representation of the curling first printed circuit board drafting coil in hollow tube-shape of this utility model embodiment 2；
The high-frequency rotating transformator installation diagram that Fig. 8 provides for this utility model embodiment 2.
In figure:
10-magnetic core；11-the first magnetic core；111-the first groove；12-the second magnetic core；121-the second groove；
20-printed circuit board draws coil；21-the first printed circuit board draws coil；22-the second printed circuit board draws coil.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail, to make those skilled in the art can implement according to this with reference to description word.
Should be appreciated that used herein such as " have ", " comprising " and " including " term is not precluded from existence or the interpolation of other elements one or more or its combination.
This utility model provides a kind of high-frequency rotating transformator, and it includes magnetic core 10 and printed circuit board draws coil 20.Magnetic core 10 includes first magnetic core the 11, second magnetic core 12；Printed circuit board is drawn coil 20 and is included the first printed circuit board drafting coil 21 and the second printed circuit board drafting coil 22；First printed circuit board is drawn coil 21 and is located on the first magnetic core 11, and the second printed circuit board is drawn coil 22 and is located on the second magnetic core 12 and draws, with the first printed circuit board, the position that coil 21 is relative；Second magnetic core 12 is provided with the one side of the second printed circuit board drafting coil 21 and realizes electromagnetic coupled around the central axis of the first magnetic core 11.
Wherein, the magnetic material that the magnetic core of high-frequency rotating transformator adopts comprises various soft magnetic materials and other can be used as the magnetic material of magnetic core of transformer, and magnetic core is can as the arbitrary shape of Coupled Magnetic Path carrier.First printed circuit board draws coil 21 and the second printed circuit board drafting coil 22 is to adopt FPCB (FlexiblePrintedCircuitBoard, flexible printed circuit board) etc. technology plane printed wire coil, it is not limited merely to rigidity or the wire coil of flexible circuit board drafting, also comprise with etching method, Wire EDM, cut or other wire coils produced with the mechanical processing tools of uncoiled mode, transmission coil effect with manual coiling is identical, the high-frequency rotating transformator made serves electromagnetic coupled and signal transmitting effect.
This utility model is arranged with the first magnetic core 11 central axis of the first printed circuit board drafting coil 21 and realizes electromagnetic coupled by being provided with the second magnetic core 12 of the second printed circuit board drafting coil 22.First printed circuit board is drawn coil 21 and the second printed circuit board and is drawn coil 22 and instead of traditional transmission coil being manually coiled into spring-like, it is not necessary to manual coiling transmission coil, it is to avoid concordance that manual coiling transmission coil exists and installation accuracy problem.Additionally, adopt the first printed circuit board to draw coil 21 and the second printed circuit board draws coil 22, compare traditional manual coiling transmission coil, make the first magnetic core 11 of rotary transformer and the second magnetic core 12 apart from controlled and controllable distance precision high, it is possible not only to improve the efficiency of transformator processing, is more beneficial for reducing the coupling distance of transformator consequently facilitating the coil of the less transformator of structure is installed.
Embodiment 1
On the basis of this utility model embodiment, the present embodiment provides the specific embodiment of a kind of high-frequency rotating transformator, as shown in Figures 1 to 5.
As it is shown in figure 1, the first printed circuit board draws coil 21 and the second printed circuit board draws coil 22 in tabular.As shown in Figures 2 and 3, first magnetic core 11 and the second magnetic core 12 are the column of hollow, the fixing axle (not shown) of the first magnetic core 11 is fixedly mounted in the hollow structure of the first magnetic core 11, fixing axle is slidably connected to the second magnetic core 12 by bearing, second magnetic core 12 passes through the bearing solid fixed-axis rotation around the first magnetic core 11, and namely the second magnetic core 12 is around the central axis of the first magnetic core 11.First magnetic core 11 is provided with the first groove 111 embedding the first printed circuit board drafting coil 21, and the second magnetic core 12 and the first groove 111 opposite face are provided with the second groove 121 embedding the second printed circuit board drafting coil 22.After flat first printed circuit board drafting coil 21 and the second printed circuit board drafting coil 22 are respectively embedded into the first magnetic core 11 and the second magnetic core 12, be conducive to improving flatness and the concordance on the first magnetic core 11 and the second magnetic core 12 surface, improve the installation accuracy of high-frequency rotating transformator.
In the present embodiment, the degree of depth of the first groove 111 is H1, and the degree of depth of the second groove 121 is H2, and it is a1 that the first printed circuit board draws the thickness of coil 21, and it is a2 that the second printed circuit board draws the thickness of coil 22；H1 and a1 meets: H1 > a1；H2 and a2 meets: H2 > a2.The degree of depth of the first groove 111 draws the thickness of coil 21 more than the first printed circuit board, the degree of depth of the second groove 121 draws the thickness of coil 22 more than the second printed circuit board, and respectively the first printed circuit board draws the embedding installation offer facility of coil 21 and the second printed circuit board drafting coil 22.
First printed circuit board draws coil 21 and the second printed circuit board is drawn embedding of coil 22 and installed the mode that can adopt glue bonding and welding.In the present embodiment, first printed circuit board draws coil 21 and the second printed circuit board is drawn embedding of coil 22 and installed the mode adopting glue bonding, that is, the first printed circuit board is drawn between coil 21 and the first groove 111, the second printed circuit board is drawn and is equipped with the first glue layer (not shown) between coil 22 and the second groove 121；First printed circuit board is drawn coil 21 and is bonded to the first groove 111 by the first glue layer, and the second printed circuit board is drawn coil 22 and is bonded to the second groove 121 by the first glue layer.First glue layer thickness is h, meets, a1+h≤H1；A2+h≤H2, make the first printed circuit board draw coil 21 and the second printed circuit board draws the surface that will not highlight the first magnetic core 11 and the second magnetic core 12 after coil 22 is respectively embedded into installation, under higher machining accuracy, the first printed circuit board drafting coil 21 can also be realized and the second printed circuit board is drawn coil 22 and flushed with the surface of the first magnetic core 11 and the second magnetic core 12 respectively, thus more effective reduction the first printed circuit board draws coil 21 and the coupling distance of the second printed circuit board drafting coil 22, improve transformer-coupled efficiency.
In the present embodiment, the mounting distance of the first magnetic core 11 and the second magnetic core 12 is 0.01mm-1mm.As shown in Figure 5 and Figure 6, mounting distance refers to and installs the distance between the first magnetic core 11 and the second magnetic core 12 opposite face after the first printed circuit board draws coil 21 and the second printed circuit board drafting coil 22 respectively through the first glue layer.The mounting distance of 0.01mm-1mm, by adopting the first printed circuit board to draw coil 21 and the second printed circuit board drafting coil 22 it is achieved that while ensureing high-frequency rotating transformator magnetic coupling effectiveness, also reduce the size of high-frequency rotating transformator.
In the present embodiment, the first printed circuit board draws coil 21 and the second printed circuit board drafting coil 22 is all rigid circuit board or flexible PCB.
Embodiment 2
On the basis of this utility model embodiment, the present embodiment provides the specific embodiment of a kind of high-frequency rotating transformator, as shown in Figure 6 to 8.
As shown in Figure 6 and Figure 7, the first printed circuit board draws coil 21 and the second printed circuit board drafting all curling cylindrical shape in hollow of coil 22；As shown in Figure 8, first magnetic core 11 is cylindrical, first printed circuit board is drawn coil 21 and is equidistantly set in outside the first magnetic core 11 along the first magnetic core 11 is radial parallel, second magnetic core 12 is provided with the cylindrical recesses holding the first magnetic core 11, second printed circuit board is drawn coil 22 and is attached to cylindrical recesses surface, and the second magnetic core 12 is around the central axis of the first magnetic core 11.
In the present embodiment, first printed circuit board draws coil 21 and the second printed circuit board is drawn embedding of coil 22 and installed the mode adopting glue bonding, that is, the first printed circuit board is drawn between coil 21 and the first groove 111, the second printed circuit board is drawn and is equipped with the second glue layer (not shown) between coil 22 and the second groove 121；First printed circuit board is drawn coil 21 and is bonded to the first magnetic core 11 by the second glue layer；Second printed circuit board is drawn coil 22 and is bonded to the second magnetic core 12 by the second glue layer.The mode of glue bonding, when making curling the first printed circuit board drafting coil 21 in hollow cylindrical and the second printed circuit board drafting coil 22 correspondence respectively be set in outside the first magnetic core 11 and be attached to cylindrical recesses surface, first magnetic core 11 and the second magnetic core 12 surface have higher flatness and concordance, improve the installation accuracy of high-frequency rotating transformator.
In the present embodiment, the mounting distance 0.01mm-1mm of the first magnetic core 11 and the second magnetic core 12.Mounting distance refers to installs the distance between the first magnetic core 11 and the second magnetic core 12 opposite face after the first printed circuit board draws coil 21 and the second printed circuit board drafting coil 22 respectively through the second glue layer.The mounting distance of 0.01mm-1mm, by adopting the first printed circuit board to draw coil 21 and the second printed circuit board drafting coil 22 it is achieved that while ensureing high-frequency rotating transformator magnetic coupling effectiveness, also reduce the size of high-frequency rotating transformator.
Although embodiment of the present utility model is disclosed as above, but it is not restricted in description and embodiment listed utilization.It can be applied to various applicable field of the present utility model completely.Other amendment it is easily achieved for those skilled in the art.Therefore, under the general concept limited without departing substantially from claim and equivalency range, this utility model is not limited to specific details and shown here as the legend with description.
Claims (10)
1. a high-frequency rotating transformator, it is characterised in that including:
Magnetic core, it includes the first magnetic core and the second magnetic core；
Printed circuit board draws coil, and it includes the first printed circuit board and draws coil and the second printed circuit board drafting coil；Described first printed circuit board is drawn coil and is located on described first magnetic core, and described second printed circuit board is drawn coil and is located on described second magnetic core and draws, with described first printed circuit board, the position that coil is relative；
Wherein, the second magnetic core realizes electromagnetic coupled around the central axis of described first magnetic core.
2. high-frequency rotating transformator as claimed in claim 1, it is characterised in that
Described first printed circuit board draws coil and described second printed circuit board drafting coil is tabular；
Described first magnetic core is provided with the first groove embedding described first printed circuit board drafting coil；
Described second magnetic core and described first groove opposite face are provided with the second groove embedding described second printed circuit board drafting coil.
3. high-frequency rotating transformator as claimed in claim 2, it is characterised in that
The degree of depth of described first groove is H1, and the degree of depth of described second groove is H2, and the thickness that described first printed circuit board draws coil is a1, and the thickness that described second printed circuit board draws coil is a2；
H1 and a1 meets: H1 > a1；
H2 and a2 meets: H2 > a2.
4. high-frequency rotating transformator as claimed in claim 3, it is characterised in that
Described first printed circuit board is drawn between coil and described first groove, described second printed circuit board is drawn and is equipped with the first glue layer between coil and described second groove；
Described first printed circuit board is drawn coil and is bonded to described first groove by described first glue layer, and described second printed circuit board is drawn coil and is bonded to described second groove by described first glue layer.
5. high-frequency rotating transformator as claimed in claim 4, it is characterised in that described first glue layer thickness is h, meets, a1+h≤H1；a2+h≤H2.
6. high-frequency rotating transformator as claimed in claim 5, it is characterised in that the mounting distance of described first magnetic core and described second magnetic core is 0.01mm-1mm.
7. the high-frequency rotating transformator as described in claim 1 or 6, it is characterised in that described first printed circuit board draws coil and described second printed circuit board drafting coil is all rigid circuit board or flexible PCB.
8. high-frequency rotating transformator as claimed in claim 1, it is characterised in that
Described first printed circuit board draws coil and described second printed circuit board draws all curling cylindrical shape in hollow of coil；
Described first magnetic core is cylindrical, and described first printed circuit board is drawn coil and is equidistantly set in outside described first magnetic core along described first magnetic core is radial parallel；Described second magnetic core is provided with the cylindrical recesses holding described first magnetic core, and described second printed circuit board is drawn coil and is attached to described cylindrical recesses surface.
9. high-frequency rotating transformator as claimed in claim 8, it is characterised in that
Described first magnetic core and described first printed circuit board are drawn between coil, be equipped with the second glue layer between described second magnetic core and described second printed circuit board drafting coil；
Described first printed circuit board is drawn coil and is bonded to described first magnetic core by described second glue layer；Described second printed circuit board is drawn coil and is bonded to described second magnetic core by described second glue layer.
10. high-frequency rotating transformator as claimed in claim 8 or 9, it is characterised in that
The mounting distance 0.01mm-1mm of described first magnetic core and described second magnetic core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116621.2U CN205376285U (en) | 2015-12-29 | 2015-12-29 | High frequency electrical resolver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521116621.2U CN205376285U (en) | 2015-12-29 | 2015-12-29 | High frequency electrical resolver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205376285U true CN205376285U (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521116621.2U Active CN205376285U (en) | 2015-12-29 | 2015-12-29 | High frequency electrical resolver |
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| Country | Link |
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| CN (1) | CN205376285U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068847A (en) * | 2017-04-27 | 2017-08-18 | 苏州国科昂卓医疗科技有限公司 | A kind of piezoelectric device and preparation method thereof |
| CN108666104A (en) * | 2018-06-12 | 2018-10-16 | 哈尔滨工业大学 | A kind of intersection Wound-rotor type coupling device for slewing wireless power transmission |
| CN110164664A (en) * | 2019-05-31 | 2019-08-23 | 中南大学 | A kind of inductive type network transformer based on flexible circuit board |
| CN110211780A (en) * | 2019-05-31 | 2019-09-06 | 中南大学 | A kind of capacitive network transformer and its measurement method based on flexible circuit board |
| WO2021032705A1 (en) * | 2019-08-20 | 2021-02-25 | Vitesco Technologies Germany Gmbh | Power transmission system for generating a current in an excitation winding of a rotor of an electric machine, and electric machine and motor vehicle |
-
2015
- 2015-12-29 CN CN201521116621.2U patent/CN205376285U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068847A (en) * | 2017-04-27 | 2017-08-18 | 苏州国科昂卓医疗科技有限公司 | A kind of piezoelectric device and preparation method thereof |
| CN108666104A (en) * | 2018-06-12 | 2018-10-16 | 哈尔滨工业大学 | A kind of intersection Wound-rotor type coupling device for slewing wireless power transmission |
| CN110164664A (en) * | 2019-05-31 | 2019-08-23 | 中南大学 | A kind of inductive type network transformer based on flexible circuit board |
| CN110211780A (en) * | 2019-05-31 | 2019-09-06 | 中南大学 | A kind of capacitive network transformer and its measurement method based on flexible circuit board |
| CN110211780B (en) * | 2019-05-31 | 2021-07-09 | 中南大学 | Capacitive network transformer based on flexible circuit board and measuring method thereof |
| WO2021032705A1 (en) * | 2019-08-20 | 2021-02-25 | Vitesco Technologies Germany Gmbh | Power transmission system for generating a current in an excitation winding of a rotor of an electric machine, and electric machine and motor vehicle |
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