CN112729209A - Positioning ring fixing structure of dual-redundancy angular displacement sensor - Google Patents
Positioning ring fixing structure of dual-redundancy angular displacement sensor Download PDFInfo
- Publication number
- CN112729209A CN112729209A CN202011556044.4A CN202011556044A CN112729209A CN 112729209 A CN112729209 A CN 112729209A CN 202011556044 A CN202011556044 A CN 202011556044A CN 112729209 A CN112729209 A CN 112729209A
- Authority
- CN
- China
- Prior art keywords
- stator coil
- angular displacement
- displacement sensor
- face
- positioning ring
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention belongs to the field of design of angular displacement sensors, and relates to a positioning ring structure of a dual-redundancy angular displacement sensor. The sensor is assembled and used, and the typical fault which is often encountered is coil short circuit or insulation resistance change, and most of the reasons for the fault are coil fracture or breakdown caused by lead wire damage. The positioning ring is reasonably designed, so that the problem that the outgoing line is not damaged due to repeated assembly and disassembly of the stator coil is solved, the hidden danger that the outgoing line is easily damaged when the sensor is assembled and disassembled is thoroughly avoided, the product percent of pass is improved, and the use safety and reliability of the product are improved. Meanwhile, due to the positioning function of the positioning ring, the output symmetry and consistency of the dual-redundancy angular displacement sensor are improved.
Description
Technical Field
The invention belongs to the field of design of angular displacement sensors, and relates to a positioning ring structure of a dual-redundancy angular displacement sensor.
Background
The volume of the aviation sensor is compact, and in order to meet the requirements of product performance, only lead wires with thin wire diameters can be adopted, and the general specification is 0.07 mm-0.1 mm. The thin wire diameter is easy to cause mechanical damage in the product assembling and testing process, especially occurs in the part of the lead-out wire passing through and positioning structure. The original dual-redundancy angular displacement sensor positioning ring structure is shown in fig. 3, the radius R2.5 of the wire outlet, the radius R0.3 of the transition part and the radius R0.2 of the circumferential direction are shown, the wire outlet hole of the structure is small, the sharp edge of the transition is not smooth enough, when the outgoing wire penetrates out of the hole, the wire skin is cut by the hole opening frequently, the lead is disconnected, the resistance value of the coil is infinite, the paint skin on the outer surface of the outgoing wire is broken and is conducted with the shell, and the insulation resistance is failed. In order to avoid the occurrence of damage phenomena as much as possible and improve the reliability and safety of product use, the positioning structure needs to be optimally designed, so that the hidden danger is reduced and the qualification rate is improved; the verticality of the left end face and the right end face of the original sensor positioning ring facing to the inner hole of the shell is 0.02, the precision requirement of the left end face and the right end face of each part in the axial direction is not high, the parts are not sufficiently attached, the coaxiality of the inner hole of the shell is poor after the stator coil is installed, the gap between the stator coil and the rotor core is not uniform, the positions of the two stator coils and the rotor core of the sensor are asymmetric, and the output consistency and symmetry are influenced.
Disclosure of Invention
The purpose of the invention is: the invention belongs to the field of design of angular displacement sensors, and relates to a positioning ring structure of a dual-redundancy angular displacement sensor. The sensor is assembled and used, and the typical fault which is often encountered is coil short circuit or insulation resistance change, and most of the reasons for the fault are coil fracture or breakdown caused by lead wire damage. The positioning ring is reasonably designed, so that the problem that the outgoing line is not damaged due to repeated assembly and disassembly of the stator coil is solved, the hidden danger that the outgoing line is easily damaged when the sensor is assembled and disassembled is thoroughly avoided, the product percent of pass is improved, and the use safety and reliability of the product are improved. Meanwhile, due to the positioning function of the positioning ring, the output symmetry and consistency of the dual-redundancy angular displacement sensor are improved.
The technical scheme of the invention is as follows: a locating ring fixing structure of a dual-redundancy angular displacement sensor is characterized by comprising a rotor (1), a shell (2), a stator coil a (3), a locating ring (4), a lead cap (5), a stator coil b (6), a socket (7), an end cover (8), a rotor iron core b (9), a rotor iron core a (10) and an angular displacement sensor (11), wherein line outlet rounding R6 on two sides of the locating ring (4), a transition rounding R3 and a circumferential rounding R0.3 are arranged, the thickness of the locating ring (4) is 1 +/-0.05 mm, and the verticality of the left end face and the right end face of the locating ring (4) facing an inner hole of the shell (2) is 0.01; the verticality requirement of the right end surface of the stator coil a (3) and the left end surface of the stator coil b to the inner hole of the shell (2) is 0.01; after the coil of the stator coil a (3) is wound, the width of the positioning surface of the right end face of the stator coil a is 1 +/-0.05 mm, and after the coil of the stator coil b (6) is wound, the width of the positioning surface of the left end face of the stator coil b is 1 +/-0.05 mm; the lead cap (5) is provided with two wire outlet holes, namely a first wire outlet hole (5a) and a second wire outlet hole (5b), and the lead wire passes through the positioning ring (4), passes through the first wire outlet hole (5a) of the lead cap (5), passes through the second wire outlet hole (5b) and reaches the wiring terminal of the socket (7).
The angular displacement sensor (11) is a dual-redundancy angular displacement sensor.
The positioning ring (4) is of a thin-wall cylindrical structure; the thickness is only 1 +/-0.05 mm.
The positioning ring (4) is a metal part with smooth periphery and no sharp edge, the rounding R6 of the wire outlets at two sides, the rounding R3 of the transition part and the rounding R0.2 in the circumferential direction.
And the verticality requirements of the left end surface and the right end surface of the positioning ring (4), the right end surface of the stator coil a (3) and the left end surface of the stator coil b (6) are all 0.01.
And the left end surface and the right end surface of the positioning ring (4) are respectively pressed on the right end surface of the stator coil a (3) and the left end surface positioning surface of the stator coil b (6) during positioning.
The stator coil a (3) is tightly pressed on the end surface of the inner hole of the shell (2), and the left end surface of the positioning ring (4) is tightly pressed and attached to the right end surface of the stator coil a (3); the right end surface of the positioning ring (4) is tightly pressed and attached to the left end surface of the stator coil b (6); the end cover (8) is tightly pressed and attached to the outer end face of the shell (2).
The first outgoing line (3b) of the stator coil a (3) passes through a cavity formed by R6 in the positioning ring (4) and reaches the socket (7) through the first outgoing line hole (5a) of the lead cap (5); the second lead-out wire (6b) of the stator coil b (6) passes through the cavity formed by the R6 in the positioning ring (4) and reaches the socket (7) through the second lead-out hole (5b) of the lead cap (5).
And a rotor iron core a (10) and a rotor iron core b (9) of the rotor (1) are fixed on corresponding positions of the stator coil a (3) and the stator coil b (6).
The invention has the beneficial effects that: the invention provides an optimized dual-redundancy angular displacement sensor positioning ring structure. The problem of the sensor in assembly and use, often meet because the lead-out wire damage leads to coil fracture or puncture typical trouble, solved stator coil and repeated dismouting and do not damage the lead-out wire is solved, the easy hidden danger that is damaged of lead-out wire when not only having thoroughly avoided dismouting sensor, improved the product percent of pass moreover, increase the security and the reliability that the product used. Meanwhile, due to the positioning function of the positioning ring, the output symmetry and consistency of the dual-redundancy angular displacement sensor are improved. The invention can be popularized and applied to all redundant angular displacement sensors.
Drawings
Fig. 1 is a schematic view of a retaining ring fixing structure for a dual redundancy angular displacement sensor.
Fig. 2 is an optimized structure diagram of a positioning ring.
Fig. 3 is an original structural view of the retaining ring.
Wherein: the device comprises a 1-rotor, a 2-shell, a 3-stator coil a, a 4-positioning ring, a 5-lead cap, a 6-stator coil b, a 7-socket, an 8-end cover, a 9-rotor iron core b, a 10-rotor iron core a, 11-angular displacement sensor, a 3 b-first outgoing line, a 6 b-second outgoing line, a 5 a-first outgoing line hole and a 5 b-second outgoing line hole.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic view of a retaining ring fixing structure for a dual redundancy angular displacement sensor. Fig. 2 is an optimized structure diagram of a positioning ring. Fig. 3 is an original structural view of the retaining ring.
As shown in fig. 1 and 2, a positioning ring fixing structure for a dual-redundancy angular displacement sensor comprises a rotor (1), a shell (2), a stator coil a (3), a positioning ring (4), a lead cap (5), a stator coil b (6), a socket (7), an end cover (8), a rotor core b (9), a rotor core a (10) and an angular displacement sensor (11).
The radius R6 of the wire outlets on the two sides of the positioning ring (4), the radius R3 of the transition part, the radius R0.3 in the circumferential direction, the thickness of the positioning ring (4) is 1 +/-0.05 mm, and the verticality of the left end surface and the right end surface of the positioning ring (4) facing the inner hole of the shell (2) is 0.01.
The verticality requirement of the right end surface of the stator coil a (3) and the left end surface of the stator coil b to the inner hole of the shell (2) is 0.01.
After the coil of the stator coil a (3) is wound, the width of the positioning surface of the right end face of the stator coil a is 1 +/-0.05 mm, and after the coil of the stator coil b (6) is wound, the width of the positioning surface of the left end face of the stator coil b is 1 +/-0.05 mm.
The lead cap (5) is provided with two wire outlet holes, namely a first wire outlet hole (5a) and a second wire outlet hole (5b), and the lead wire passes through the positioning ring (4), passes through the first wire outlet hole (5a) of the lead cap (5), passes through the second wire outlet hole (5b) and reaches the wiring terminal of the socket (7).
The angular displacement sensor (11) is a dual-redundancy angular displacement sensor.
The positioning ring (4) is a thin-wall cylindrical structure, and the thickness is only 1 +/-0.05 mm. After the coil of the stator coil a (3) is wound, the width of the positioning surface of the right end face of the stator coil a is 1 +/-0.05 mm, and after the coil of the stator coil b (6) is wound, the width of the positioning surface of the left end face of the stator coil b is 1 +/-0.05 mm; the left end face and the right end face of the positioning ring (4) are pressed on the left end face positioning faces of the stator coil a (3) right end face and the stator coil b (6) respectively during positioning, and the positioning ring (4) is a thin-walled piece and can effectively avoid damaging lead-out wires of the stator coil a (3) and the stator coil b (6).
The positioning ring (4) is a metal part with smooth periphery and no sharp edge, and the lead cap (5) is made of non-metal material. Rounding R6 of wire outlets on two sides of the positioning ring (4), rounding R3 of a transition part and rounding R0.3 in the circumferential direction, so that a first outgoing wire (3b) of the stator coil a (3) can be effectively prevented from reaching the socket (7) through a cavity formed by R6 in the positioning ring (4) and a first outgoing wire hole (5a) of the lead cap (5); in the process that the second lead wire (6b) of the stator coil b (6) reaches the socket (7) through the cavity formed by the R6 in the positioning ring (4) and the second wire outlet hole (5b) of the lead cap (5), the situation that the lead wire is damaged by the fact that the paint skin on the outer surface of the lead wire is damaged due to the fact that the sharp edge of a metal part cuts the lead wire and the coil is broken is avoided.
The clearance between stator coil a, stator coil b and rotor core a, rotor core b among dual-redundancy angular displacement sensor (11) is the important factor of determining sensor output voltage, and only the clearance is even, can guarantee the uniformity of two antithetical couplet output voltage, so the axiality requirement to stator coil installation back casing (2) hole is very high. The perpendicularity of the left end face and the right end face of the positioning ring (4) facing the inner hole of the shell (2) is 0.01, the perpendicularity of the right end face of the stator coil a (3) and the left end face of the stator coil b facing the inner hole of the shell (2) is 0.01, and the requirement of the coaxiality of the inner hole of the shell (2) is met by improving the machining precision of the end faces of each part in the axial direction of the stator coil.
The dual-redundancy angular displacement sensor (11) has two-linkage output symmetry requirements besides consistency requirements, and therefore the requirement that the rotor iron core a and the rotor iron core b are located in the middle of the stator coil a and the stator coil b as far as possible during installation is met.
The dual-redundancy angular displacement sensor (11) has two-link symmetrical output. On the one hand, the axial installation positions of the stator coil parts are relatively fixed. The stator coil a (3) is pressed on the end face of an inner hole of the shell (2), the left end face of the positioning ring (4) is pressed and attached to the right end face of the stator coil a (3), the right end face of the positioning ring (4) is pressed and attached to the left end face of the stator coil b (6), the end cover (8) is pressed and attached to the outer end face of the shell (2), and axial positioning of each component of the stator coil is achieved; on the other hand, after the stator coil a (3) and the stator coil b (6) are relatively fixed in the shell (2) through the positioning of the positioning ring (4), the rotor iron core a (10) and the rotor iron core b (9) of the rotor (1) can be fixed in the corresponding positions of the stator coil a (3) and the stator coil b (6) through axial fine adjustment, the two-linkage electromagnetic induction symmetric output of the sensor is realized, and the requirement of the two-linkage symmetry of the dual-redundancy angular displacement sensor is ensured.
Claims (9)
1. A locating ring fixing structure of a dual-redundancy angular displacement sensor is characterized by comprising a rotor (1), a shell (2), a stator coil a (3), a locating ring (4), a lead cap (5), a stator coil b (6), a socket (7), an end cover (8), a rotor iron core b (9), a rotor iron core a (10) and an angular displacement sensor (11), wherein line outlet rounding R6 on two sides of the locating ring (4), a transition rounding R3 and a circumferential rounding R0.3 are arranged, the thickness of the locating ring (4) is 1 +/-0.05 mm, and the verticality of the left end face and the right end face of the locating ring (4) facing an inner hole of the shell (2) is 0.01; the verticality requirement of the right end surface of the stator coil a (3) and the left end surface of the stator coil b to the inner hole of the shell (2) is 0.01; after the coil of the stator coil a (3) is wound, the width of the positioning surface of the right end face of the stator coil a is 1 +/-0.05 mm, and after the coil of the stator coil b (6) is wound, the width of the positioning surface of the left end face of the stator coil b is 1 +/-0.05 mm; the lead cap (5) is provided with two wire outlet holes, namely a first wire outlet hole (5a) and a second wire outlet hole (5b), and the lead wire passes through the positioning ring (4), passes through the first wire outlet hole (5a) of the lead cap (5), passes through the second wire outlet hole (5b) and reaches the wiring terminal of the socket (7).
2. The positioning ring fixing structure of the dual-redundancy angular displacement sensor according to claim 1, wherein the angular displacement sensor (11) is a dual-redundancy angular displacement sensor.
3. The retaining ring fixing structure of a dual redundancy angular displacement sensor according to claim 1, characterized in that the retaining ring (4) is a thin-walled cylindrical structure; the thickness is only 1 +/-0.05 mm.
4. The retaining ring holding structure of the dual redundancy angular displacement sensor of claim 1, wherein the retaining ring (4) is a metal part with smooth periphery and no sharp edge, the two side line outlet rounding R6, the transition rounding R3, the rounding R0.2 in the circumferential direction.
5. The positioning ring fixing structure of the dual-redundancy angular displacement sensor according to claim 1, wherein the perpendicularity requirements of the left end surface and the right end surface of the positioning ring (4), the right end surface of the stator coil a (3), and the left end surface of the stator coil b (6) are all 0.01.
6. The positioning ring fixing structure of the dual redundancy angular displacement sensor according to claim 1, wherein the positioning ring (4) has a left end face and a right end face which are pressed on the positioning faces of the right end face of the stator coil a (3) and the left end face of the stator coil b (6), respectively, during positioning.
7. The positioning ring fixing structure of the dual-redundancy angular displacement sensor according to claim 1, wherein the stator coil a (3) is pressed on the end face of the inner hole of the shell (2), and the left end face of the positioning ring (4) is pressed and attached to the right end face of the stator coil a (3); the right end surface of the positioning ring (4) is tightly pressed and attached to the left end surface of the stator coil b (6); the end cover (8) is tightly pressed and attached to the outer end face of the shell (2).
8. The holding ring fixing structure of a dual redundancy angular displacement sensor according to claim 1, wherein the first outgoing wire (3b) of the stator coil a (3) passes through the cavity formed by R6 in the holding ring (4) to the socket (7) through the first outlet hole (5a) of the lead cap (5); the second lead-out wire (6b) of the stator coil b (6) passes through the cavity formed by the R6 in the positioning ring (4) and reaches the socket (7) through the second lead-out hole (5b) of the lead cap (5).
9. The positioning ring fixing structure of the dual redundancy angular displacement sensor according to claim 1, wherein the rotor core a (10) and the rotor core b (9) of the rotor (1) are fixed on the corresponding positions of the stator coil a (3) and the stator coil b (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011556044.4A CN112729209B (en) | 2020-12-24 | 2020-12-24 | Positioning ring fixing structure of dual-redundancy angular displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011556044.4A CN112729209B (en) | 2020-12-24 | 2020-12-24 | Positioning ring fixing structure of dual-redundancy angular displacement sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112729209A true CN112729209A (en) | 2021-04-30 |
| CN112729209B CN112729209B (en) | 2022-07-05 |
Family
ID=75615618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011556044.4A Active CN112729209B (en) | 2020-12-24 | 2020-12-24 | Positioning ring fixing structure of dual-redundancy angular displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112729209B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5521495A (en) * | 1993-09-24 | 1996-05-28 | Zexel Corporation | Sensor for contactless determination of an angle of rotation of a rotatable structural element |
| CN207866190U (en) * | 2017-12-21 | 2018-09-14 | 陕西东方航空仪表有限责任公司 | Double remaining angular displacement sensors |
| CN109655632A (en) * | 2017-10-10 | 2019-04-19 | 斯凯孚公司 | Hub unit with double angular position sensors |
| CN110986753A (en) * | 2019-11-29 | 2020-04-10 | 苏州长风航空电子有限公司 | Double-redundancy non-contact transformer type angular displacement sensor |
| CN210513005U (en) * | 2019-08-27 | 2020-05-12 | 成都宏明电子股份有限公司 | Coaxial dual-redundancy magneto-sensitive angular displacement sensor |
-
2020
- 2020-12-24 CN CN202011556044.4A patent/CN112729209B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5521495A (en) * | 1993-09-24 | 1996-05-28 | Zexel Corporation | Sensor for contactless determination of an angle of rotation of a rotatable structural element |
| CN109655632A (en) * | 2017-10-10 | 2019-04-19 | 斯凯孚公司 | Hub unit with double angular position sensors |
| CN207866190U (en) * | 2017-12-21 | 2018-09-14 | 陕西东方航空仪表有限责任公司 | Double remaining angular displacement sensors |
| CN210513005U (en) * | 2019-08-27 | 2020-05-12 | 成都宏明电子股份有限公司 | Coaxial dual-redundancy magneto-sensitive angular displacement sensor |
| CN110986753A (en) * | 2019-11-29 | 2020-04-10 | 苏州长风航空电子有限公司 | Double-redundancy non-contact transformer type angular displacement sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112729209B (en) | 2022-07-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9154020B2 (en) | Axial gap rotating-electric machine | |
| EP1273813B1 (en) | Stator core for a magnetic bearing and method of manufacturing the same | |
| US10848018B2 (en) | Stator, motor and pump device | |
| CN107302271B (en) | Stator, motor element and compressor | |
| TWI638502B (en) | Axial gap type rotating electric machine and stator for rotating electric machine | |
| US20110227446A1 (en) | Stator for rotary electric machine and method for making same | |
| CN110050402B (en) | Stator core of rotating electric machine and method for manufacturing same | |
| WO2013051654A1 (en) | Ignition coil for internal combustion engine | |
| WO2018139100A1 (en) | Rotating electrical machine | |
| US11233433B2 (en) | Rotor and motor | |
| JP5901603B2 (en) | Rotating electric machine | |
| JP2006220571A (en) | Resolver unit and resolver using the same | |
| CN112729209B (en) | Positioning ring fixing structure of dual-redundancy angular displacement sensor | |
| JPWO2015174277A1 (en) | Rotating electric machine and manufacturing method thereof | |
| EP3514924B1 (en) | Motor, rotor and shaft sleeve thereof | |
| CN116613910A (en) | Motor and method for manufacturing the same | |
| US20130033135A1 (en) | Rotating electrical machine, wire connecting substrate of rotating electrical machine, manufacturing method of rotating electrical machine, and manufacturing method of wire connecting substrate of rotating electrical machine | |
| CN112236925A (en) | Stator of rotating electric machine and rotating electric machine | |
| CN217508404U (en) | Motor stator slot insulating part | |
| JP6131797B2 (en) | Fuel pump | |
| US20220302787A1 (en) | Stator and method for manufacturing stator | |
| CN110224536B (en) | Motor with a motor housing | |
| JP2013005652A (en) | Rotary electric machine and concentrated winding coil | |
| US11515766B2 (en) | Manufacturing method of electric pump | |
| US20220416594A1 (en) | Stator and motor comprising said stator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |