CN110763863A - Magnetoelectric rotating speed measuring device - Google Patents
Magnetoelectric rotating speed measuring device Download PDFInfo
- Publication number
- CN110763863A CN110763863A CN201911132275.XA CN201911132275A CN110763863A CN 110763863 A CN110763863 A CN 110763863A CN 201911132275 A CN201911132275 A CN 201911132275A CN 110763863 A CN110763863 A CN 110763863A
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- permanent magnet
- holes
- connecting column
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- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000005476 soldering Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000000565 sealant Substances 0.000 claims description 5
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 15
- 238000010586 diagram Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
The invention discloses a magnetoelectric rotating speed measuring device which comprises an armature, an enameled wire, a framework, two connecting posts, a permanent magnet and a lead, wherein the armature and the permanent magnet are connected in the framework, and the left side surface and the right side surface of the shoulder part of the framework are respectively provided with two grooves; the end surfaces of the left side and the right side of the shoulder part are respectively provided with a first through hole; each connecting column is provided with a second through hole which is communicated with the left and the right, the end surface of each connecting column is provided with a third through hole, the second through holes are communicated with the third through holes, and the connecting columns are respectively fixed on the first through holes of the framework; two groups of enameled wires are wound on the neck of the framework in parallel, two wire ends led out from two sides of the two groups of enameled wires respectively penetrate through two grooves on one side of the framework, the led wire ends penetrate through the second through holes of the connecting columns on the same side and then are led out from the third through holes of the connecting columns, one wire is inserted into each third through hole of each connecting column, and the two enameled wire ends and the wire in the same third through hole are connected in a tin soldering mode. According to the invention, the resistance value is reduced and the output is increased by connecting the two groups of enameled wires in parallel.
Description
Technical Field
The invention relates to a rotating speed measuring device, in particular to a magnetoelectric rotating speed measuring device with enameled wires connected in parallel.
Background
An engine in the aircraft is a high-speed rotating mechanical structure, the rotating speed signal of the engine needs to be monitored in real time, and the accuracy of the rotating speed signal and the reliability of a rotating speed measuring device are directly related to the working state and the safety of the aircraft. The traditional magnetoelectric rotating speed measuring device adopts a mode of winding more coils in order to pursue a large output signal, but the more the number of turns of the coil is, the larger the resistance value of the coil is, and then the acquisition and the output of a rear end signal are influenced.
Disclosure of Invention
The invention aims to provide a magnetoelectric rotating speed measuring device which can reduce resistance value enhancing signals in a parallel winding mode and can realize two-path output.
The invention aims to be realized by the following technical scheme:
a magnetoelectric rotating speed measuring device comprises an armature 1, a coil assembly, a permanent magnet 5 and a lead 8, wherein the coil assembly comprises an enameled wire 2, a framework 3 and a connecting column 4;
the surface of the framework 3 is insulated, the armature 1 and the permanent magnet 5 are connected in the framework 3, the framework 3 is divided into a neck part 33 and a shoulder part 34, and the side surfaces of the left side and the right side of the shoulder part are respectively provided with two grooves 31; the end surfaces of the left side and the right side of the shoulder part are respectively provided with a first through hole 32;
the number of the connecting columns 4 is 2, each connecting column 4 is provided with a second through hole which is communicated with the left and the right, the end surface is provided with a third through hole, the second through holes are communicated with the third through holes, and the connecting columns are respectively fixed on the first through holes 32 of the framework 3;
two groups of enameled wires 2 are connected in parallel and wound on the neck 33 of the framework 3 at the same time, so that the resistance of each group is ensured to be the same. Two ends of a thread led out from one side of the two groups of enameled wires 2 respectively pass through two grooves on one side of the framework 3, two ends of a thread led out from the other side of the two groups of enameled wires 2 respectively pass through two grooves on the other side of the framework 3, the led-out ends of the thread are led out from a third through hole of the connecting column 4 after passing through a second through hole of the connecting column 4 on the same side, a wire 8 is inserted into the third through hole of each connecting column 4, and the two ends of the enameled wires 2 in the same third through hole and the soldering tin 8 of the wire are conducted.
Preferably, the framework 3 is internally provided with a first stepped through hole, the armature 1 penetrates through a front end narrow hole of the first stepped through hole, the armature 1 is tightly nested with the stepped hole in the framework 3, the permanent magnet 5 penetrates through a rear end wide hole of the first stepped through hole, and the front end of the permanent magnet 5 is tightly attached to the rear end of the armature 1.
Preferably, the magnetoelectric rotating speed measuring device further comprises a magnetic steel sleeve 7, a second stepped through hole is formed in the magnetic steel sleeve 7, one end of the magnet 5 is inserted into the framework 3, and the other end of the permanent magnet 5 is inserted into a front-end wide hole of the second stepped through hole;
and fourth through holes are formed in two sides of the magnetic steel sleeve 7, the shafts of the fourth through holes correspond to the shafts of the connecting columns 4, the lead 8 penetrates through the fourth through holes and then is inserted into the third through holes, and pouring sealant 9 is coated in the fourth through holes to fix the relative positions of the lead 8 and the magnetic steel sleeve 7.
Preferably, the magnetoelectric rotating speed measuring device further comprises a shell 6, the armature 1, the coil assembly, the permanent magnet 5 and the magnetic steel sleeve 7 are placed inside the shell 6, and pouring sealant 9 is poured inside the shell 6 for fixation.
Compared with the prior art, the invention has the following remarkable advantages: the parallel winding can output larger signals and can reduce internal resistance, so that the design of the signal acquisition circuit is facilitated, and the acquired signals are not distorted.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of a coil assembly.
FIG. 3 is a schematic diagram of a skeleton structure.
Fig. 4 is a bottom view of the frame.
Fig. 5 is a cross-sectional view of the skeleton.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Referring to fig. 1, 2, 3, 4, and 5, the magnetoelectric rotation speed measuring device according to the present embodiment includes an armature 1, a coil assembly, a permanent magnet 5, and a lead wire 8, where the coil assembly includes an enameled wire 2, a skeleton 3, and a connection post 4;
the surface of the framework 3 is insulated, the armature 1 and the permanent magnet 5 are connected in the framework 3, the framework can be symmetrical or asymmetrical left and right, the framework 3 is divided into a neck part 33 and a shoulder part 34, and the side surfaces of the left side and the right side of the shoulder part are respectively provided with two grooves 31; the end surfaces of the left side and the right side of the shoulder part are respectively provided with a first through hole 32;
the number of the connecting columns 4 is 2, each connecting column 4 is provided with a second through hole which is communicated with the left and the right, the end surface is provided with a third through hole, the second through holes are communicated with the third through holes, and the connecting columns are respectively fixed on the first through holes 32 of the framework 3;
two groups of enameled wires 2 are connected in parallel and wound on the neck 33 of the framework 3 at the same time, so that the resistance of each group is ensured to be the same. Two ends of a thread led out from one side of the two groups of enameled wires 2 respectively pass through two grooves on one side of the framework 3, two ends of a thread led out from the other side of the two groups of enameled wires 2 respectively pass through two grooves on the other side of the framework 3, the led-out ends of the thread are led out from a third through hole of the connecting column 4 after passing through a second through hole of the connecting column 4 on the same side, a wire 8 is inserted into the third through hole of each connecting column 4, and the two ends of the enameled wires 2 in the same third through hole and the soldering tin 8 of the wire are conducted.
When the magnetoelectric rotating speed measuring device works, the permanent magnet 5 magnetizes the armature 1, the external magnetic conduction rotating part cuts a magnetic field emitted by the armature 1, and two ends of the two groups of wound enameled wires 2 generate corresponding induced electromotive force and transmit the induced electromotive force to an external circuit through the lead 8 to output corresponding electric signals.
The framework 3 is internally provided with a first stepped through hole, the armature 1 penetrates through a front end narrow hole of the first stepped through hole, the armature 1 is tightly nested with the stepped hole in the framework 3, the permanent magnet 5 penetrates through a rear end wide hole of the first stepped through hole, and the front end of the permanent magnet 5 is tightly attached to the rear end of the armature 1.
The magnetoelectric rotating speed measuring device further comprises a magnetic steel sleeve 7, a second step through hole is formed in the magnetic steel sleeve 7, the framework 3 is inserted into one end of the magnet 5, and the front end wide hole of the second step through hole is inserted into the other end of the permanent magnet 5.
And fourth through holes are formed in two sides of the magnetic steel sleeve 7, the shafts of the fourth through holes correspond to the shafts of the connecting columns 4, the lead 8 penetrates through the fourth through holes and then is inserted into the third through holes, and pouring sealant 9 is coated in the fourth through holes to fix the relative positions of the lead 8 and the magnetic steel sleeve 7.
The magnetoelectric rotating speed measuring device also comprises a shell 6, wherein the armature 1, the coil component, the permanent magnet 5 and the magnetic steel sleeve 7 are arranged inside the shell 6, and pouring sealant 9 is poured inside the shell 6 for fixation.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (4)
1. A magnetoelectric rotating speed measuring device comprises an armature (1), a coil component, a permanent magnet (5) and a lead (8), and is characterized in that the coil component comprises an enameled wire (2), a framework (3) and a connecting column (4);
the surface of the framework (3) is insulated, the armature (1) is connected with the permanent magnet (5) in the framework (3), the framework (3) is divided into a neck part (33) and a shoulder part (34), and the side surfaces of the left side and the right side of the shoulder part are respectively provided with two grooves (31); the end surfaces of the left side and the right side of the shoulder part are respectively provided with a first through hole (32);
the number of the connecting columns (4) is 2, each connecting column (4) is provided with a second through hole which is through from left to right, the end face of each connecting column is provided with a third through hole, the second through holes are communicated with the third through holes, and the connecting columns are respectively fixed on the first through holes (32) of the framework (3);
two groups of enameled wires (2) are wound on the neck (33) of the framework (3) in parallel, two wire ends led out from one side of the two groups of enameled wires (2) respectively penetrate through two grooves on one side of the framework (3), two wire ends led out from the other side of the two groups of enameled wires (2) respectively penetrate through two grooves on the other side of the framework (3), the wire ends led out penetrate through a second through hole of the connecting column (4) on the same side and then are led out from a third through hole of the connecting column (4), a lead (8) is inserted into a third through hole of each connecting column (4), and the wire ends of the two enameled wires (2) in the same third through hole are conducted with a soldering tin of the lead (8).
2. The magnetoelectric rotating speed measuring device according to claim 1, characterized in that the skeleton (3) is internally provided with a first step through hole, the armature (1) passes through a front end narrow hole of the first step through hole, the permanent magnet (5) passes through a rear end wide hole of the first step through hole, and the front end of the permanent magnet (5) is tightly attached to the rear end of the armature (1).
3. The magnetoelectric rotating speed measuring device according to claim 1, characterized by further comprising a magnetic steel sleeve (7), wherein a second stepped through hole is formed in the magnetic steel sleeve (7), one end of the permanent magnet (5) is inserted into the framework (3), and the other end of the permanent magnet (5) is inserted into a front end wide hole of the second stepped through hole;
and fourth through holes are formed in two sides of the magnetic steel sleeve (7), the shaft of each fourth through hole corresponds to the shaft of the connecting column (4), the lead (8) penetrates through the fourth through hole and then is inserted into the third through hole, and pouring sealant (9) is coated in the fourth through hole to fix the relative positions of the lead (8) and the magnetic steel sleeve (7).
4. A magnetoelectric rotation speed measuring device according to claim 3, characterized by further comprising a housing (6), and the armature (1), the coil assembly, the permanent magnet (5), and the magnetic steel sleeve (7) are placed inside the housing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911132275.XA CN110763863A (en) | 2019-11-19 | 2019-11-19 | Magnetoelectric rotating speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911132275.XA CN110763863A (en) | 2019-11-19 | 2019-11-19 | Magnetoelectric rotating speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110763863A true CN110763863A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911132275.XA Pending CN110763863A (en) | 2019-11-19 | 2019-11-19 | Magnetoelectric rotating speed measuring device |
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| CN (1) | CN110763863A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0447269A (en) * | 1990-06-15 | 1992-02-17 | Zexel Corp | Rotation sensor |
| CN200986559Y (en) * | 2006-07-25 | 2007-12-05 | 刘柏榆 | Shielding structure of automobile magnetoelectric wheel speed sensor |
| CN101315390A (en) * | 2008-06-27 | 2008-12-03 | 深圳市特尔佳科技股份有限公司 | Magnetoelectricity type passive velocity transducer and manufacturing technology thereof |
| CN101339199A (en) * | 2008-08-01 | 2009-01-07 | 刘柏榆 | Electromagnetic type automobile wheel speed sensor and installation method thereof |
| CN202049170U (en) * | 2011-01-30 | 2011-11-23 | 凯迈（江苏）机电有限公司 | Velocity sensor used for eddy current retarder |
| CN103336062A (en) * | 2013-06-26 | 2013-10-02 | 钢研纳克检测技术有限公司 | Electromagnetic ultrasonic transducer for detecting rail head tread defect of steel rail |
| CN203432988U (en) * | 2013-08-14 | 2014-02-12 | 四平市德嘉电子仪表有限公司 | Novel wheel-speed sensor |
| CN103675323A (en) * | 2013-12-02 | 2014-03-26 | 施董腾 | Magnetoelectric tachometric transducer and test device thereof |
| CN104977423A (en) * | 2015-06-19 | 2015-10-14 | 中国航空工业集团公司上海航空测控技术研究所 | Magneto-electric speed sensor |
| CN205105388U (en) * | 2015-11-19 | 2016-03-23 | 王丙义 | A voice coil with a skeleton |
| CN106849448A (en) * | 2017-04-13 | 2017-06-13 | 朱幕松 | Cogging type ironless brushless DC motor |
| CN107819362A (en) * | 2017-11-24 | 2018-03-20 | 深圳顺络电子股份有限公司 | A kind of wireless charging electric wire coil assembly |
| CN108037307A (en) * | 2017-12-14 | 2018-05-15 | 中国航空工业集团公司上海航空测控技术研究所 | Triplex redundance rotation-speed measuring device based on magneto-electronic theory |
| CN208142000U (en) * | 2017-12-13 | 2018-11-23 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | High current filter inductor |
| CN109444453A (en) * | 2018-12-09 | 2019-03-08 | 中国航空工业集团公司上海航空测控技术研究所 | A kind of magnetoelectric tachometric measuring device of digital output |
| CN110196341A (en) * | 2019-05-27 | 2019-09-03 | 中国航空工业集团公司上海航空测控技术研究所 | A kind of magnetoelectric tachometric measurement structure |
-
2019
- 2019-11-19 CN CN201911132275.XA patent/CN110763863A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0447269A (en) * | 1990-06-15 | 1992-02-17 | Zexel Corp | Rotation sensor |
| CN200986559Y (en) * | 2006-07-25 | 2007-12-05 | 刘柏榆 | Shielding structure of automobile magnetoelectric wheel speed sensor |
| CN101315390A (en) * | 2008-06-27 | 2008-12-03 | 深圳市特尔佳科技股份有限公司 | Magnetoelectricity type passive velocity transducer and manufacturing technology thereof |
| CN101339199A (en) * | 2008-08-01 | 2009-01-07 | 刘柏榆 | Electromagnetic type automobile wheel speed sensor and installation method thereof |
| CN202049170U (en) * | 2011-01-30 | 2011-11-23 | 凯迈（江苏）机电有限公司 | Velocity sensor used for eddy current retarder |
| CN103336062A (en) * | 2013-06-26 | 2013-10-02 | 钢研纳克检测技术有限公司 | Electromagnetic ultrasonic transducer for detecting rail head tread defect of steel rail |
| CN203432988U (en) * | 2013-08-14 | 2014-02-12 | 四平市德嘉电子仪表有限公司 | Novel wheel-speed sensor |
| CN103675323A (en) * | 2013-12-02 | 2014-03-26 | 施董腾 | Magnetoelectric tachometric transducer and test device thereof |
| CN104977423A (en) * | 2015-06-19 | 2015-10-14 | 中国航空工业集团公司上海航空测控技术研究所 | Magneto-electric speed sensor |
| CN205105388U (en) * | 2015-11-19 | 2016-03-23 | 王丙义 | A voice coil with a skeleton |
| CN106849448A (en) * | 2017-04-13 | 2017-06-13 | 朱幕松 | Cogging type ironless brushless DC motor |
| CN107819362A (en) * | 2017-11-24 | 2018-03-20 | 深圳顺络电子股份有限公司 | A kind of wireless charging electric wire coil assembly |
| CN208142000U (en) * | 2017-12-13 | 2018-11-23 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | High current filter inductor |
| CN108037307A (en) * | 2017-12-14 | 2018-05-15 | 中国航空工业集团公司上海航空测控技术研究所 | Triplex redundance rotation-speed measuring device based on magneto-electronic theory |
| CN109444453A (en) * | 2018-12-09 | 2019-03-08 | 中国航空工业集团公司上海航空测控技术研究所 | A kind of magnetoelectric tachometric measuring device of digital output |
| CN110196341A (en) * | 2019-05-27 | 2019-09-03 | 中国航空工业集团公司上海航空测控技术研究所 | A kind of magnetoelectric tachometric measurement structure |
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Application publication date: 20200207 |