CN116295544A - Magneto-electric rotation parameter measuring device - Google Patents
Magneto-electric rotation parameter measuring device Download PDFInfo
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- CN116295544A CN116295544A CN202310275758.5A CN202310275758A CN116295544A CN 116295544 A CN116295544 A CN 116295544A CN 202310275758 A CN202310275758 A CN 202310275758A CN 116295544 A CN116295544 A CN 116295544A
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- 230000006698 induction Effects 0.000 claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims description 26
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 26
- 238000005259 measurement Methods 0.000 claims description 18
- 238000002955 isolation Methods 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 19
- 230000008569 process Effects 0.000 abstract description 17
- 230000008859 change Effects 0.000 abstract description 10
- 230000001133 acceleration Effects 0.000 abstract description 6
- 238000012544 monitoring process Methods 0.000 description 6
- 230000005389 magnetism Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/243—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the phase or frequency of ac
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Abstract
The invention relates to a magneto-electric rotation parameter measuring device which comprises a shell, a rotating shaft rotatably arranged in the shell, a permanent magnet assembly and an induction assembly, wherein the permanent magnet assembly and the induction assembly are accommodated in the shell; the permanent magnet assembly comprises a mounting sleeve connected with the rotating shaft key, and a plurality of groups of permanent magnets are annularly distributed on the outer wall of the mounting sleeve; according to the invention, the rotating shaft, the permanent magnet assembly and the induction assembly are packaged by the shell, the permanent magnet assembly is driven to synchronously rotate in the rotating process of the rotating shaft, the variable magnetic field acts on the coil in the rotating process of the permanent magnet assembly along with the rotating shaft, and the distance between the permanent magnet and the coil in each group is sequentially changed from far to near, so that the induction current generated by the coil also changes periodically in the rotating process of the rotating shaft, and the change of the induction current of the coil is monitored by the first circuit board, so that the rotating speed, the angular speed and the angular acceleration parameters of the rotating shaft are accurately measured.
Description
Technical Field
The invention relates to the technical field of rotation parameter monitoring, in particular to a magneto-electric rotation parameter measuring device.
Background
The rotation is a common basic form of mechanical movement, namely circular movement, and in the mechanical design, the power transmission is carried out through the rotation of a rotating shaft, and the rotation parameters of various rotating equipment with the rotating shaft, such as the rotation speed, the angular acceleration, the torque, the position and the like, are set, so that the working state of the rotating equipment must be monitored in real time at any time.
The Chinese patent with publication number of CN106441381B discloses a magneto-electric rotation parameter measuring device, and particularly discloses that the rotation speed of a rotating shaft is monitored through the cooperation of a magnet and a magneto-electric transducer.
However, in the above prior art, a related sensor is often used to measure a single rotation parameter, and multiple sensors are required to be matched for use to obtain a complete rotation parameter, so that the use is inconvenient, and a transmission structure is required to be matched according to the measured rotation parameter. Therefore, to solve the above-mentioned problems, a magneto-electric rotation parameter measuring device is proposed.
Disclosure of Invention
The invention aims to provide a magneto-electric rotation parameter measuring device, which is used for solving the problem that a measuring device in the prior art is difficult to obtain complete rotation parameters.
In order to achieve the above purpose, the present invention provides the following technical solutions: the magneto-electric rotating parameter measuring device comprises a shell, a rotating shaft rotatably arranged in the shell, a permanent magnet assembly and an induction assembly, wherein the permanent magnet assembly and the induction assembly are accommodated in the shell, the inner wall of the shell is detachably connected with the induction assembly, the rotating shaft is detachably connected with the permanent magnet assembly, and the permanent magnet assembly is matched with the induction assembly;
the permanent magnet assembly comprises a mounting sleeve connected with a rotating shaft key, a plurality of groups of permanent magnets are annularly distributed on the outer wall of the mounting sleeve, the single bodies of each group of permanent magnets are sequentially arranged on the outer wall of the mounting sleeve at intervals in a spiral manner, and a first shielding sheet detachably connected with the mounting sleeve is arranged between the adjacent permanent magnets;
the induction component comprises a first positioning plate detachably connected with the inner wall of the shell, a coil matched with the permanent magnet is arranged on the end face of one side, close to the mounting sleeve, of the first positioning plate, and a first circuit board electrically connected with the coil is arranged on the end face of the other side of the first positioning plate.
Preferably, the rotating shaft comprises a main shaft and a secondary shaft which are respectively and rotatably connected with two ends of the shell, one end of the main shaft, which is close to the secondary shaft, is provided with a transmission cavity, elastic sheets are distributed in the transmission cavity in an annular mode, and two ends of each elastic sheet are respectively and slidably connected with the main shaft and the secondary shaft.
Preferably, the inner end surface of the transmission cavity is provided with transmission teeth which are distributed in an annular mode, a tooth groove matched with the transmission teeth is formed in one side, extending into the transmission cavity, of the auxiliary shaft, and the central angle of the tooth groove is larger than that of the transmission teeth.
Preferably, the torque measuring assembly is detachably connected with the rotating shaft, the torque measuring assembly comprises a spacer sleeve and a memory alloy body, the spacer sleeve is sleeved on the outer wall of the auxiliary shaft, the memory alloy body is attached to the elastic sheet along the radial direction of the rotating shaft, and two ends of the memory alloy body are connected with conducting rings sleeved on the outer wall of the spacer sleeve through wires.
Preferably, the torque measuring assembly further comprises a second locating plate connected with the inner wall of the shell and a second circuit board arranged on one side end face of the second locating plate, a mounting hole corresponding to the isolation sleeve is formed in the middle of the second locating plate, the inner wall of the mounting hole can be detached to contact the brush sheet with the conducting ring, and the second circuit board is electrically connected with the brush sheet.
Preferably, the shell comprises a shell and end covers detachably connected to ports on two sides of the shell, and two ends of the rotating shaft are rotatably connected with the end covers.
Preferably, the outer walls of the first positioning plate and the second positioning plate are respectively distributed with a first mounting table and a second mounting table in a ring shape, guide grooves are formed in the inner walls of the two ends of the shell, and the guide grooves at the two ends of the shell are respectively connected with the first mounting table and the second mounting table in a sliding mode.
Preferably, the permanent magnet assembly further comprises an outer casing sleeved outside the mounting sleeve, a plurality of annularly distributed blades are arranged on the outer wall of the outer casing, and radiating holes annularly distributed are formed in the end face of the end cover.
The invention has at least the following beneficial effects:
1. according to the invention, the rotating shaft, the permanent magnet assembly and the induction assembly are packaged by adopting the shell, the permanent magnet assembly is driven to synchronously rotate in the rotating process of the rotating shaft, a variable magnetic field acts on the coil in the rotating process of the permanent magnet assembly along with the rotating shaft, and the distance between the permanent magnet and the coil in each group is sequentially changed from far to near, so that the induction current generated by the coil is also changed periodically in the rotating process of the rotating shaft, and the change of the induction current of the coil is monitored by the first circuit board, so that the rotating speed, the angular speed and the angular acceleration parameters of the rotating shaft are accurately measured;
2. according to the invention, a split type rotating shaft is adopted, the main shaft and the auxiliary shaft are in power connection through the elastic sheet, and the memory alloy body is matched with the elastic sheet, so that the memory alloy body synchronously stretches and resets along with the deformation of the elastic sheet, the deformation of the elastic sheet is monitored through the resistance change of the memory alloy body, the torque of the rotating shaft is monitored through the deformation of the monitoring elastic sheet, and the torque transmission between the main shaft and the auxiliary shaft is accurately monitored in real time through the torque measuring assembly, so that the static and dynamic torque measurement of the rotating shaft is realized.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a rotary cut-away structure of the present invention;
FIG. 3 is a schematic diagram of an explosive structure according to the present invention;
FIG. 4 is a schematic view of an exploded structure of a spindle according to the present invention;
FIG. 5 is a schematic perspective view of another view of the spindle of the present invention;
FIG. 6 is a schematic diagram of an exploded construction of a permanent magnet assembly of the present invention;
FIG. 7 is a schematic diagram of an exploded view of an induction assembly according to the present invention;
fig. 8 is an exploded view of the torque measuring assembly of the present invention.
In the reference numerals:
1. a housing; 11. a housing; 12. an end cap; 13. a bearing; 14. a guide groove; 15. a heat radiation hole;
2. a rotating shaft; 21. a main shaft; 22. a secondary shaft; 23. a transmission cavity; 24. an elastic sheet; 25. positioning holes; 26. a mounting groove; 27. a drive tooth; 28. tooth slots;
3. a permanent magnet assembly; 31. a mounting sleeve; 32. a positioning groove; 33. a permanent magnet; 34. a first shielding sheet; 35. an embedding groove; 36. an outer shell; 37. a blade; 38. a, a process hole;
4. an induction assembly; 41. a first positioning plate; 42. a wire slot; 43. a coil; 44. a second shielding sheet; 45. an insert slot; 46. a first circuit board; 47. a first mounting table; 48. b, a process hole;
5. a torque measurement assembly; 51. a spacer sleeve; 52. a memory alloy body; 53. a wire; 54. a conductive ring; 55. a second positioning plate; 56. a mounting hole; 57. a brush piece; 58. a second circuit board; 59. a second mounting table; 510. and C, processing holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-3, the present invention provides a technical solution: the magneto-electric rotation parameter measuring device comprises a shell 1, a rotating shaft 2 rotatably arranged in the shell 1, a permanent magnet assembly 3 and an induction assembly 4 which are accommodated in the shell 1, wherein the inner wall of the shell 1 is detachably connected with the induction assembly 4, the rotating shaft 2 is detachably connected with the permanent magnet assembly 3, and the permanent magnet assembly 3 is matched with the induction assembly 4;
the permanent magnet assembly 3 comprises a mounting sleeve 31 which is connected with the rotating shaft 2 in a key way, the mounting sleeve 31 is matched with a hole of the rotating shaft 2 in a key way, a plurality of groups of permanent magnets 33 are annularly distributed on the outer wall of the mounting sleeve 31, positioning grooves 32 are formed in the outer wall of the mounting sleeve 31, the permanent magnets 33 are sunk into the positioning grooves 32, the single bodies of each group of permanent magnets 33 are sequentially arranged on the outer wall of the mounting sleeve 31 at intervals in a spiral way, the permanent magnets 33 of the same group are sequentially arranged from one end of the mounting sleeve 31 to the other end, first shielding sheets 34 which are detachably connected with the mounting sleeve 31 are arranged between the adjacent permanent magnets 33, the first shielding sheets 34 are particularly iron sheets or other metal sheets which restrict magnetic induction lines, a plurality of annularly distributed embedded grooves 35 are formed in the outer wall of the mounting sleeve 31, and the first shielding sheets 34 are inserted into the embedded grooves 35;
the induction component 4 comprises a first locating plate 41 detachably connected with the inner wall of the shell 1, specifically, the rotating shaft 2 is matched with a shaft hole of the first locating plate 41, a coil 43 matched with the permanent magnet 33 is arranged on one side end face of the first locating plate 41 close to the mounting sleeve 31, a first circuit board 46 electrically connected with the coil 43 is arranged on the other side end face of the first locating plate 41, and specifically, the first circuit board 46 is connected with the coil 43 and monitors induction current change of the coil 43.
The coils 43 are provided with a plurality of coils, specifically, the end face of the first positioning plate 41, which is close to one side of the mounting sleeve 31, is provided with a plurality of annularly distributed wire grooves 42, the plurality of coils 43 are sunk into the wire grooves 42, at least one of the plurality of coils 43 is different from the other coils 43 in number of turns, a second shielding sheet 44 detachably connected with the first positioning plate 41 is arranged between the adjacent coils 43, specifically, the end face of the first positioning plate 41 is provided with an inserting sheet groove 45, the second shielding sheet 44 is arranged in the inserting sheet groove 45 in a penetrating manner, and the rotating speed and the angular acceleration of the rotating shaft 2 can be calibrated through the change of induction current of the coils 43 with different numbers of turns, so that the accuracy of the measurement of the rotating speed and the angular velocity can be improved.
In this embodiment, the rotating shaft 2, the permanent magnet assembly 3 and the induction assembly 4 are encapsulated by the housing 1, the permanent magnet assembly 3 is driven to rotate synchronously in the rotating process of the rotating shaft 2, the changing magnetic field acts on the coil 43 in the rotating process of the permanent magnet 33 along with the rotating shaft 2, the distance between the permanent magnet 33 and the coil 43 in each group changes from far to near, the magnetic field strength changes from weak to strong, so that the induction current generated by the coil 43 also changes periodically in the rotating process of the rotating shaft 2, and the periodic change of the induction current of the coil 43 is monitored by the first circuit board 46, so that the rotation speed, the angular speed and the angular acceleration parameters of the rotating shaft 2 are accurately measured.
Example 2
Referring to fig. 1 to 3, the difference is that, based on embodiment 1:
the rotating shaft 2 comprises a main shaft 21 and an auxiliary shaft 22 which are respectively and rotatably connected with two ends of the shell 1, specifically, the main shaft 21 and the auxiliary shaft 22 are respectively and rotatably connected with end covers 12 at two ends of the shell 11 through bearings 13, one end, close to the auxiliary shaft 22, of the main shaft 21 is provided with a transmission cavity 23, specifically, the inner end surface of the transmission cavity 23 is provided with a counter bore, the counter bore and the auxiliary shaft 22 extend into one end of the transmission cavity 23 to be matched with each other through a hole, elastic pieces 24 are annularly distributed in the transmission cavity 23, two ends of each elastic piece 24 are respectively and slidably connected with the main shaft 21 and the auxiliary shaft 22, specifically, mounting grooves 26 are respectively formed in the inner wall of the transmission cavity 23 and the outer wall, close to one end of the main shaft 21, of each elastic piece 24 is slidably connected with the mounting grooves 26, and therefore the elastic pieces 24 can be matched with each other through the main shaft 21 and the auxiliary shaft 22 to slidably position the elastic pieces 24, and then the main shaft 21 and the auxiliary shaft 22 are dynamically linked by the elastic pieces 24.
The inner end surface of the transmission cavity 23 is provided with annularly distributed transmission teeth 27, one side of the auxiliary shaft 22 extending into the transmission cavity 23 is provided with tooth grooves 28 matched with the transmission teeth 27, the central angle of each tooth groove 28 is larger than that of each transmission tooth 27, namely, the tooth grooves 28 are matched with the transmission teeth 27, so that connection of the main shaft 21 and the auxiliary shaft 22 is positioned, deformation of the elastic piece 24 is limited, the elastic piece 24 can be protected when the rotating shaft 2 is started initially, stability of the elastic piece 24 is effectively improved, and the application range of torque measurement is limited.
The torque measuring assembly 5 is detachably connected with the rotating shaft 2, the torque measuring assembly 5 is specifically arranged on one side, away from the sensing assembly 4, of the permanent magnet assembly 3, the torque measuring assembly 5 comprises an isolation sleeve 51 and a memory alloy body 52, the isolation sleeve 51 is sleeved on the outer wall of the auxiliary shaft 22, the isolation sleeve 51 is specifically matched with the hole of the auxiliary shaft 22 in a shaft mode and is connected with the hole of the auxiliary shaft 22 through screws, the memory alloy body 52 is attached to the elastic piece 24 along the radial direction of the rotating shaft 2, a positioning hole 25 is specifically formed in the elastic piece 24, the memory alloy body 52 penetrates into the positioning hole 25, the memory alloy body 52 is insulated from the elastic piece 24 through insulation sleeves such as rubber, conductive rings 54 sleeved on the outer wall of the isolation sleeve 51 are connected to two ends of the memory alloy body 52 through wires 53, the conductive rings 54 are specifically arranged to serve as the positive electrode and the negative electrode of the memory alloy body 52 respectively, namely the memory alloy body 52 is matched with the elastic piece 24 through the memory alloy body 52, stretching and resetting are synchronously generated along with deformation of the elastic piece 24, and further, and torque deformation of the rotating shaft is accurately monitored through monitoring the elastic piece 24 by monitoring the change of resistance of the memory alloy body 52.
The torque measurement assembly 5 further includes a second positioning plate 55 connected to the inner wall of the housing 1, and a second circuit board 58 mounted on an end surface of one side of the second positioning plate 55, a mounting hole 56 corresponding to the isolation sleeve 51 is formed in the middle of the second positioning plate 55, a brush piece 57 contacting the conducting ring 54 is detachable from the inner wall of the mounting hole 56, the second circuit board 58 is electrically connected with the brush piece 57, and the brush piece 57 and the second circuit board 58 can be positioned and mounted through the second positioning plate 55, so that the conducting ring 54 is electrically connected with the second circuit board 58 through the brush piece 57, and then the resistance change of the memory alloy body 52 is monitored by the second circuit board 58 in real time, so as to obtain the torque change of the rotating shaft 2.
In this embodiment, the main shaft 21 and the auxiliary shaft 22 are dynamically linked through the elastic sheet 24, so that the installation of the torque measuring assembly 5 is more convenient, and the memory alloy body 52 is matched with the elastic sheet 24, so that the memory alloy body 52 synchronously stretches and resets along with the deformation of the elastic sheet 24, the memory alloy body 52 is further communicated with the conductive ring 54 through the wire 53, the conductive ring 54 is electrically connected with the second circuit board 58 through the brush sheet 57, the deformation caused by the stress of the elastic sheet 24 is monitored through the monitoring of the resistance change of the memory alloy body 52, the torque of the rotating shaft 2 is monitored in real time through the monitoring of the real-time deformation of the elastic sheet 24, and the torque measurement is more accurate.
Example 3
Referring to fig. 1 to 3, the difference is that, based on embodiment 1:
the casing 1 includes a casing 11 and end covers 12 detachably connected to two side ports of the casing 11, two ends of the rotating shaft 2 are rotatably connected with the end covers 12, specifically, two ends of the rotating shaft 2 are provided with bearings 13, the bearings 13 sink into end faces of the end covers 12, which are close to one side of the casing 11, and can be matched with the end covers 12 through the casing 11, so that the rotating shaft 2, the permanent magnet assembly 3, the induction assembly 4 and the torque measuring assembly 5 are packaged.
Wherein, the outer wall of first locating plate 41 and second locating plate 55 annular distribution has first mount table 47 and second mount table 59 respectively, guide way 14 has all been seted up to the inner wall at the both ends of shell 11, guide way 14 at shell 11 both ends respectively with first mount table 47 and second mount table 59 sliding connection, can be through guide way 14 respectively with first mount table 47 and second mount table 59 cooperation, locate induction component 4 and torque measurement subassembly 5 and pack into shell 11 in, and through first mount table 47 and second mount table 59, the outside of first locating plate 41 and second locating plate 55 all forms the passageway with shell 11 inner wall cooperation, the heat dissipation of being convenient for more.
Wherein, permanent magnetism subassembly 3 still includes the cover establishes the overcoat shell 36 in the installation cover 31 outside, the outer wall of overcoat shell 36 is equipped with a plurality of and is annular distributed blade 37, the terminal surface of end cover 12 has been seted up and has been become annular distributed's louvre 15, can be further encapsulated at the permanent magnet 33 of installation cover 31 outer wall through overcoat shell 36 distribution, thereby pivot 2 drives permanent magnetism subassembly 3 pivoted in-process, form the negative pressure in casing 1 through blade 37, outside air carries out the heat transfer through louvre 15 and casing 1 inside air, and then carry out quick cooling to the components and parts in the casing 1, guarantee the temperature stability of casing 1 inside each part, and then avoid memory alloy 52's resistance to receive the temperature influence effectively, improve torque measurement's accuracy.
Wherein, the ends of the mounting sleeve 31, the first positioning plate 41 and the second positioning plate 55 are respectively provided with an A process hole 38, a B process hole 48 and a C process hole 510, and the A process hole 38, the B process hole 48 and the C process hole 510 are communicated, so that the quality of the mounting sleeve 31, the first positioning plate 41 and the second positioning plate 55 can be effectively reduced, and the structural strength is improved.
In this embodiment, through shell 11 and end cover 12 cooperation, encapsulate pivot 2, permanent magnetism subassembly 3, response subassembly 4, torque measurement subassembly 5, the pivot 2 rotates the in-process, drive permanent magnetism subassembly 3 and rotate synchronous rotation, and then form the negative pressure in casing 1 through the blade 37 of gyration, external air then gets into casing 1 inner chamber through louvre 15, and exchange heat with casing 1 inside air, thereby carry out quick cooling to the components and parts in the casing 1, guarantee the temperature stability of each inside part of casing 1, and then avoid the resistance of memory alloy body 52 to receive the temperature influence effectively, improve torque measurement's accuracy.
In conclusion, by measuring the rotation parameters including the rotation speed, the angular acceleration and the torque through the device, more timely and accurate power data can be obtained.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a magneto-electric formula rotation parameter measurement device, includes casing (1) and rotates pivot (2) of installing in casing (1), its characterized in that: the device comprises a shell (1), a permanent magnet assembly (3) and an induction assembly (4), wherein the permanent magnet assembly (3) and the induction assembly (4) are accommodated in the shell (1), the inner wall of the shell (1) is detachably connected with the induction assembly (4), the rotating shaft (2) is detachably connected with the permanent magnet assembly (3), and the permanent magnet assembly (3) is matched with the induction assembly (4);
the permanent magnet assembly (3) comprises a mounting sleeve (31) which is connected with the rotating shaft (2) in a key way, a plurality of groups of permanent magnets (33) are annularly distributed on the outer wall of the mounting sleeve (31), the single bodies of each group of permanent magnets (33) are sequentially arranged on the outer wall of the mounting sleeve (31) at intervals in a spiral way, and a first shielding sheet (34) which is detachably connected with the mounting sleeve (31) is arranged between every two adjacent permanent magnets (33);
the induction component (4) comprises a first positioning plate (41) detachably connected with the inner wall of the shell (1), a coil (43) matched with the permanent magnet (33) is arranged on one side end face of the first positioning plate (41) close to the mounting sleeve (31), and a first circuit board (46) electrically connected with the coil (43) is arranged on the other side end face of the first positioning plate (41).
2. A magneto-electric rotation parameter measurement apparatus as claimed in claim 1, wherein: the rotating shaft (2) comprises a main shaft (21) and a secondary shaft (22) which are respectively connected with the two ends of the shell (1) in a rotating mode, a transmission cavity (23) is formed in one end, close to the secondary shaft (22), of the main shaft (21), elastic pieces (24) are distributed in the transmission cavity (23) in an annular mode, and the two ends of the elastic pieces (24) are respectively connected with the main shaft (21) and the secondary shaft (22) in a sliding mode.
3. A magneto-electric rotation parameter measurement apparatus as claimed in claim 2, wherein: the internal end face of transmission chamber (23) is equipped with annular distribution's drive tooth (27), one side that countershaft (22) stretched into transmission chamber (23) is offered and is had tooth's socket (28) with drive tooth (27) complex, the central angle of tooth's socket (28) is greater than the central angle of drive tooth (27).
4. A magneto-electric rotation parameter measurement apparatus as claimed in claim 2, wherein: the torque measuring device is characterized by further comprising a torque measuring assembly (5) detachably connected with the rotating shaft (2), wherein the torque measuring assembly (5) comprises a spacer sleeve (51) and a memory alloy body (52), the spacer sleeve (51) is sleeved on the outer wall of the auxiliary shaft (22), the memory alloy body (52) is radially attached to the elastic sheet (24) along the rotating shaft (2), and both ends of the memory alloy body (52) are connected with conducting rings (54) sleeved on the outer wall of the spacer sleeve (51) through conducting wires (53).
5. The magneto-electric rotation parameter measurement apparatus of claim 4, wherein: the torque measuring assembly (5) further comprises a second locating plate (55) connected with the inner wall of the shell (1) and a second circuit board (58) arranged on one side end face of the second locating plate (55), a mounting hole (56) corresponding to the isolation sleeve (51) is formed in the middle of the second locating plate (55), the inner wall of the mounting hole (56) can be detached to be in contact with the conducting ring (54) to form a brush piece (57), and the second circuit board (58) is electrically connected with the brush piece (57).
6. The magneto-electric rotation parameter measurement apparatus of claim 5, wherein: the shell (1) comprises a shell (11) and end covers (12) detachably connected to ports on two sides of the shell (11), and two ends of the rotating shaft (2) are rotatably connected with the end covers (12).
7. The magneto-electric rotation parameter measurement apparatus of claim 6, wherein: the outer walls of the first positioning plate (41) and the second positioning plate (55) are respectively distributed with a first mounting table (47) and a second mounting table (59) in a ring shape, guide grooves (14) are formed in the inner walls of the two ends of the shell (11), and the guide grooves (14) at the two ends of the shell (11) are respectively connected with the first mounting table (47) and the second mounting table (59) in a sliding mode.
8. The magneto-electric rotation parameter measurement apparatus of claim 7, wherein: the permanent magnet assembly (3) further comprises an outer casing (36) sleeved outside the mounting sleeve (31), a plurality of annularly distributed blades (37) are arranged on the outer wall of the outer casing (36), and radiating holes (15) annularly distributed are formed in the end face of the end cover (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310275758.5A CN116295544A (en) | 2023-03-16 | 2023-03-16 | Magneto-electric rotation parameter measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310275758.5A CN116295544A (en) | 2023-03-16 | 2023-03-16 | Magneto-electric rotation parameter measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN116295544A true CN116295544A (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310275758.5A Pending CN116295544A (en) | 2023-03-16 | 2023-03-16 | Magneto-electric rotation parameter measuring device |
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| CN (1) | CN116295544A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394607A (en) * | 2023-12-07 | 2024-01-12 | 成都精密电机有限公司 | DC torque motor with jumping monitoring function |
-
2023
- 2023-03-16 CN CN202310275758.5A patent/CN116295544A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117394607A (en) * | 2023-12-07 | 2024-01-12 | 成都精密电机有限公司 | DC torque motor with jumping monitoring function |
| CN117394607B (en) * | 2023-12-07 | 2024-03-15 | 成都精密电机有限公司 | DC torque motor with jumping monitoring function |
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