CN215952826U - Torque sensing module, measuring equipment, moped motor and vehicle - Google Patents
Torque sensing module, measuring equipment, moped motor and vehicle Download PDFInfo
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- CN215952826U CN215952826U CN202121505358.1U CN202121505358U CN215952826U CN 215952826 U CN215952826 U CN 215952826U CN 202121505358 U CN202121505358 U CN 202121505358U CN 215952826 U CN215952826 U CN 215952826U
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Abstract
The utility model discloses a torque sensing module, a measuring device, a moped motor and a vehicle, wherein the torque sensing module comprises: the device comprises a strain sleeve, a torque monitoring piece, a speed monitoring piece and a sensing assembly, wherein the torque monitoring piece and the speed monitoring piece are arranged on the strain sleeve; the induction assembly comprises a bracket, an induction coil which is arranged on the bracket and is matched with the torque monitoring piece, a shielding cover which covers the induction coil and a signal processing unit which is electrically connected with the induction coil; the signal processing unit is provided with a speed sensing piece matched with the speed monitoring piece. According to the utility model, the speed monitoring part is directly fixed on the strain sleeve, and the speed monitoring part is correspondingly fixed after the strain sleeve is installed and fixed, so that the installation and the fixation of the torque sensing module in the use process are conveniently realized, and meanwhile, the applicability of the torque sensing module is improved.
Description
Technical Field
The utility model relates to the technical field of moped sensing, in particular to a torque sensing module, a measuring device, a moped motor and a vehicle.
Background
A center motor is increasingly used in a power-assisted vehicle, and the center motor is a motor which is mounted at a center shaft position of the power-assisted vehicle and integrates a driving motor, a reduction gear, a control circuit, a sensor and the like. The torque sensor is used as an important component of the middle-placed motor, plays the roles of collecting the torque and the trampling frequency of a person, transmitting the collected information to the control circuit and further controlling the motor to drive. Simultaneously, still need set up speed response subassembly on the vehicle using motor for the rotational speed of better monitoring control motor, speed response subassembly includes speed monitoring spare and the speed response spare with speed monitoring spare looks adaptation. The structural design of the sensing module and the speed sensing module in the prior art is complex and is not beneficial to installation and use in the production process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a torque sensing module, which is used for solving the defects in the prior art, conveniently realizing the installation and fixation of the torque sensing module in the using process and simultaneously improving the applicability of the torque sensing module.
The torque sensing module provided by the utility model comprises: the device comprises a strain sleeve, a torque monitoring piece, a speed monitoring piece and a sensing assembly, wherein the torque monitoring piece and the speed monitoring piece are arranged on the strain sleeve;
the induction assembly comprises a bracket, an induction coil which is arranged on the bracket and is matched with the torque monitoring piece, a shielding cover which covers the induction coil and a signal processing unit which is electrically connected with the induction coil;
the signal processing unit is provided with a speed sensing piece matched with the speed monitoring piece.
Further, speed sensing member has the working face that is used for sensing speed monitoring effect, the normal direction of working face is on a parallel with telescopic axial direction meets an emergency, speed monitoring member has a plurality of edges the telescopic radial direction of meeting an emergency extends the monitoring strip that sets up.
Furthermore, the speed sensing piece is a Hall element arranged on the support, the monitoring strips are made of metal, and the monitoring strips are arranged along the circumferential direction of the strain sleeve at intervals.
Furthermore, the speed monitoring piece is also provided with an annular fixed plate fixed outside the strain sleeve, and the monitoring strip is fixed on the annular fixed plate.
Furthermore, the speed monitoring part is a stamping part formed by stamping or laser etching.
Furthermore, the bracket is sleeved outside the strain sleeve, the strain sleeve can rotate relative to the bracket, and an annular groove for installing and fixing the induction coil is formed in the bracket; the shielding cover is sleeved outside the bracket;
the induction component is also provided with a mounting rack which is sleeved outside the shielding cover and used for mounting and fixing the signal processing unit.
Further, the shield cover includes that the cover is established at least the shield cover body in the ring channel outside is in with setting up first annular curb plate, the second annular curb plate of the relative both sides of shield cover body, first annular curb plate with second annular curb plate all overlaps and is established outside the support.
Furthermore, the first annular side plate and the shielding case body are integrally bent and formed, and the second annular side plate and the shielding case body are detachably connected and fixed;
an annular outer side plate is formed on one side, opposite to the first annular side plate, of the shielding case body, and the second annular side plate is connected and fixed with the first annular side plate through a folded lug in a bending mode.
Furthermore, a first sliding gasket and a second sliding gasket are further arranged on the strain sleeve, the first sliding gasket and the second sliding gasket are sleeved outside the strain sleeve and fixed on the strain sleeve, and the first sliding gasket and the second sliding gasket are respectively abutted against two opposite sides of the support and are in sliding fit with the support.
Furthermore, the materials of the first sliding gasket and the second sliding gasket are consistent with the material of the bracket.
Furthermore, the mounting bracket is provided with a positioning column, and the shielding cover is provided with a positioning hole which is matched with the positioning column to limit the mounting bracket and the shielding cover to slide relatively along the circumferential direction of the shielding cover.
A measuring device comprises the torque sensing module and a device shell, wherein the sensing assembly is fixed on the device shell; the opposite two ends of the strain sleeve in the axial direction are respectively provided with a first connecting part and a second connecting part.
The utility model provides a moped motor, includes motor casing, sets up motor on the motor casing with moment of torsion sensing module, the installation of the response subassembly of moment of torsion sensing module is fixed on the motor casing just meet an emergency the sleeve pipe with the output shaft of motor is fixed.
The utility model provides a vehicle, include the support body, set up the motor on the support body and moment of torsion sensing module, the response subassembly of moment of torsion sensing module sets up on the support body, the sleeve pipe that meets an emergency is fixed with the output shaft of motor.
Compared with the prior art, the speed monitoring part is directly fixed on the strain sleeve in the scheme disclosed by the embodiment of the utility model, and the speed monitoring part is correspondingly fixed after the strain sleeve is installed and fixed, so that the installation and the fixation of the torque sensing module in the using process are conveniently realized, and the applicability of the torque sensing module is improved.
Drawings
Fig. 1 is a schematic view of a first structure of a torque sensing module according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of the torque sensing module according to an embodiment of the present invention;
fig. 3 is an exploded view of a torque sensing module according to an embodiment of the present invention;
fig. 4 is a schematic view of an internal structure of a torque sensing module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a speed monitoring member in the torque sensing module according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a strain sleeve in the torque sensing module according to an embodiment of the present invention;
fig. 7 is a first exploded view of a shield of the torque sensing module according to an embodiment of the present invention;
fig. 8 is a second exploded view of the shielding case of the torque sensing module according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a shielding case in the torque sensing module according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a bracket in a torque sensing module according to an embodiment of the present invention;
fig. 11 is a schematic structural diagram of a mounting frame in the torque sensing module according to an embodiment of the present invention;
description of reference numerals: 1-strain sleeve, 11-internal spline, 12-external spline, 13-first sliding gasket, 14-second sliding gasket, 2-torque monitoring piece, 3-speed monitoring piece, 31-monitoring strip, 32-annular fixing plate, 4-sensing component, 41-speed sensing piece, 42-sensing coil, 43-bracket, 430-annular groove, 44-shielding cover, 440-positioning hole, 441-shielding cover body, 442-first annular side plate, 443-second annular side plate, 444-annular outer side plate, 45-signal processing unit, 46-mounting frame, 460-mounting groove and 461-positioning column.
Detailed Description
The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the utility model.
The embodiment of the utility model comprises the following steps: as shown in fig. 1-4, a torque sensing module is disclosed, which is used to be mounted and fixed on an output shaft of a motor of a power-assisted vehicle, and can monitor the torque and the rotation speed of the output shaft of the motor at the same time, or the torque sensing module can be used on other rotating members needing to test the output torque and the rotation speed.
Specifically, this torque sensing module includes: the strain sleeve comprises a strain sleeve 1, a torque monitoring part 2 arranged on the strain sleeve 1, a speed monitoring part 3 and a sensing assembly 4 arranged outside the strain sleeve 1. In this embodiment, the torque monitoring part 2 and the speed monitoring part 3 are both fixed on the strain sleeve 1, the sensing component 4 is arranged outside the strain sleeve 1, and the sensing component 4 is respectively provided with a torque sensing part adapted to the torque monitoring part 2 for detecting output detection torque and a speed sensing part 41 adapted to the speed monitoring part 3 for monitoring rotating speed.
The strain sleeve 1 is connected and fixed on an output shaft of the motor and is coaxially arranged with the output shaft of the motor, the strain sleeve 1 rotates along with the rotation of the output shaft of the motor, and the induction component 4 arranged outside the strain sleeve 1 is relatively static and motionless, so that the strain sleeve 1 and the induction component 4 rotate relatively. When the sensing assembly 4 rotates relative to the strain sleeve 1, the speed is monitored through the matching of the speed sensing part 41 and the speed monitoring part 3, and the torque is monitored through the matching of the torque monitoring part 2 and the torque sensing part.
When the torque sensing module is applied to a moped, the sensing component 4 can be installed and fixed on a shell of the motor, and the strain sleeve 1 is fixed on an output shaft of the motor. In order to conveniently realize the installation and fixation of the strain sleeve 1, one end of the strain sleeve 1 is provided with an internal spline 11 for being fixedly connected with an output shaft of a motor, the other end of the strain sleeve 1 is provided with an external spline 12 for being fixedly connected with a driven piece, and the driven piece can be a wheel. Of course, the torque sensor assembly may also have a separate housing, and the sensing assembly 4 may be mounted and fixed on the housing, and the strain sleeve 1 rotates relative to the housing.
The strain monitoring strip can be coated by a modern production process with a magnetic material on the strain sleeve 1 to form the torque monitoring piece 2, or the strain monitoring strip is attached to the outer side wall of the strain sleeve 1 or the strain monitoring strip can be installed and fixed on the strain sleeve in other modes.
The projection of the strain monitoring strip on the axial section of the strain sleeve 1 is oblique to the extending direction of the strain sleeve 1 by 45 degrees. The setting of above-mentioned structure is really that the monitoring strip that will meet an emergency sets up the biggest position department of receiving the moment of torsion effect deformation on strain sleeve pipe 1, and when strain sleeve pipe 1 received the moment of torsion to take place to twist reverse like this, the deformation volume that the monitoring strip that meets an emergency produced changes the biggest to can improve the magnetic permeability change sensitivity under the moment of torsion effect, and then realize best monitoring result.
The torque monitoring pieces 2 are arranged in two, and a gap is arranged between the two torque monitoring pieces 2. The extension directions of the strain monitoring strips on the two torque monitoring pieces 2 are different, and correspondingly, two induction coils 42 are arranged. Specifically, the projections of the strain monitoring strips on the two torque monitoring pieces 2 on the axial section of the strain sleeve 1 are perpendicular to each other, and the strain monitoring strips on the two torque monitoring pieces 2 are symmetrically arranged relative to the gap. In a first embodiment, the oblique directions of the two strain monitoring strips are directed away from each other, forming a shape similar to a herringbone structure. In the second embodiment, the two strain monitoring bars are inclined in directions directed to one side of the position where each other is located, to form a shape similar to a V-shaped structure. When the strain sleeve 1 is subjected to circumferential torsional force, strain monitoring strips on the two torque monitoring pieces 2 deform in opposite directions, so that the induction coil 3 can acquire two magnetic permeability change data, and the two magnetic permeability change data can be verified mutually, so that the accuracy of the data is ensured, and the magnetic permeability change sensitivity of the surface of the torque monitoring piece 2 under the action of the torque is improved.
The motor of the power-assisted bicycle drives the strain sleeve 1 to rotate in the rotating process, the strain sleeve 1 is acted by torque force in the transmission process to enable the strain monitoring strip to deform, the magnetic conductivity of the strain monitoring strip changes, the magnetic field around the induction coil 42 changes, the induced electromotive force of the induction coil 42 changes, and data are transmitted to the signal processing unit 45. The signal processing unit 45 can obtain the magnitude of the torque received by the strain sleeve 1 according to the change of the induced electromotive force.
Meanwhile, the speed monitoring part 3 rotates along with the rotation of the strain sleeve 1, and the speed monitoring part 3 is matched with the speed sensing part 41 fixed outside the strain sleeve 1 to monitor the speed.
Specifically, the induction assembly 4 includes a bracket 43, an induction coil 42 disposed on the bracket 43 and adapted to the torque monitoring part 2, a shielding cover 44 covering the induction coil 42, and a signal processing unit 45 disposed on the bracket 43 and electrically connected to the induction coil 42; the signal processing unit 45 is provided with a speed sensing part 451 matched with the speed monitoring part 3.
The speed sensing element in the prior art is generally directly fixed on a rotating shaft of a tire of a moped or a transmission shaft of a motor, and the running speed of the vehicle is monitored along with the rotation of the rotating shaft of the moped. The mode of setting up in vehicle using motor tire pivot needs vehicle using motor producer predesign in advance with the installation position of speed-sensing spare looks adaptation in the tire pivot, and the tire pivot also needs corresponding speed-sensing spare looks adaptation, and the moment of torsion sensing module generally is different with the motor and produces, consequently, the setting up of above-mentioned structure has restricted the application of moment of torsion sensing module in actual production, and the moment of torsion sensing module also can only be used to the rotational speed of motor shaft and monitor on the specific motor. In order to solve the technical problem, in the scheme disclosed in this embodiment, the speed monitoring part 3 is directly fixed on the strain sleeve 1, and the speed monitoring part 3 is correspondingly fixed after the strain sleeve 1 is installed and fixed, so that the structural arrangement can improve the applicability of the torque sensing module.
In the prior art, the speed monitoring part generally comprises a fixed frame sleeved on the motor shaft and a magnetic ring arranged on the fixed frame, and the speed monitoring is realized through the matching of the magnetic ring and the speed sensing part. Because the speed monitoring piece is provided with the magnetic ring, the speed monitoring piece is arranged and fixed on the strain sleeve 1, and the torque monitoring piece 2 which is also made of magnetic material is influenced, so that the monitoring accuracy of the torque monitoring piece 2 is influenced. It is therefore not generally conceivable for the person skilled in the art to fix the speed monitoring member 3 to the strain sleeve 1.
In the present embodiment, the speed sensing member 41 has a working surface for sensing the action of the speed monitoring member 3, and the normal direction of the working surface is parallel to the axial direction of the strain sleeve 1, that is, the axial direction of the strain sleeve 1 is perpendicular to the working surface. In this embodiment, the speed sensing member 41 is a hall element disposed on the bracket 43, and the working surface of the speed sensing member 41 is a surface of the hall element that receives magnetic induction. The speed monitoring member 3 has a plurality of monitoring strips 31 extending in the radial direction of the strain sleeve 1. The monitoring strips 31 are made of metal, and the monitoring strips 31 are arranged along the circumferential direction of the strain sleeve 1 at intervals.
In order to conveniently realize the installation and fixation of the monitoring strip 31, the speed monitoring piece 3 further has an annular fixing plate 32 fixed outside the strain casing 1, and the monitoring strip 31 is fixed on the annular fixing plate 32. The speed monitoring piece 3 and the annular fixing plate 32 are integrally formed, the speed monitoring piece 3 is a stamping part formed by stamping or laser etching, and the speed monitoring piece 3 is in a thin plate shape in the thickness direction due to the arrangement of the structure.
In the embodiment, the monitoring strip 31 is made of a metal material instead of a magnetic material, so that the magnetic material can be prevented from affecting the strain monitoring strip on the strain sleeve 1 after being installed and fixed on the strain sleeve 1.
In the prior art, the speed sensing part 41 is generally arranged in the radial direction of the speed monitoring part 3, and the speed sensing part 41 is generally independently installed and fixed on the shell of the motor, so that the structural arrangement needs a customer to debug the device on the spot and is not favorable for installation and fixation. In this embodiment, the speed sensing member 41 is disposed on the strain sleeve 1 and the sensing surface of the speed sensing member 41 faces the axial direction of the strain sleeve 1, so that the speed sensing member 41 can be pre-installed and fixed, and the assembly and fixation of the torque sensing module are facilitated.
Set speed monitoring piece 3 to stamping forming or adopt the sheet metal component that laser etching formed can reduce the production manufacturing cost of speed monitoring piece 3, though there is comparatively ripe gear sensing technique to monitor speed among the prior art, but speed monitoring piece among the gear sensing technique generally overlaps the gear of establishing outside the pivot, speed sensing piece sets up in the radial direction of gear, because speed sensing piece sets up and has certain requirement to the thickness of tooth on the gear in the radial direction, if the sensitivity of monitoring is reduced easily to thickness is too thin. For the above reasons, the speed monitor in the gear sensing technology is thick in the thickness direction, and thus the processing cost is increased.
As shown in fig. 5, the speed monitoring member 3 is creatively provided as a sheet metal member in the present embodiment, and the speed sensing member 41 is provided in the axial direction of the strain sleeve 1, and the monitoring strip 31 provided on the speed monitoring member 3 and extending along the radial direction of the strain sleeve 1 is matched with the speed sensing member 41, so that the production and assembly processes are more convenient on the premise of ensuring that the monitoring sensitivity is not reduced, and meanwhile, the production and manufacturing costs are reduced. In order to improve the monitoring sensitivity, in the present embodiment, the height h of the monitoring strip 31 extending in the radial direction of the strain casing 1 is not less than 3mm, the width L of the strain monitoring strip 31 in the circumferential direction of the strain casing 1 is not less than 2mm, and the interval m between two adjacent monitoring strips 31 in the circumferential direction of the strain casing 1 is not less than 2 mm. The apparatus of the above structure ensures the sensitivity of the speed sensing on the premise of reducing the manufacturing cost of the speed monitoring member 3. Further, in order to ensure the stability of the speed monitoring member 31, the thickness of the speed monitoring member 31 in the axial direction of the strain sleeve 1 is not less than 3mm, and if the thickness of the speed monitoring member 31 is too low, the speed monitoring member 31 is too thin and is easy to bend, thereby affecting the stability of speed monitoring.
Each speed monitoring piece 3 is provided with a plurality of monitoring strips 31, the plurality of monitoring strips 31 are arranged at intervals along the circumferential direction of the strain sleeve 1, the number of the monitoring strips 31 is 24, and the monitoring strips 31 are arranged at even intervals along the circumferential direction of the strain sleeve 1.
The support 43 is sleeved on the outer side of the strain sleeve 1, the strain sleeve 1 can rotate relative to the support 43, a mounting hole matched with the strain sleeve 1 is formed in the support 43, and the strain sleeve 1 is in clearance fit with the mounting hole or the strain sleeve 1 is rotatably mounted in the mounting hole through a rotating shaft. The bracket 43 is provided with two annular grooves 430 for installing and fixing the induction coil 42.
As shown in fig. 10, the shielding cover 44 is disposed on the outer side of the bracket 43, and the shielding cover 44 is opposite to the annular groove 430, the shielding cover 44 is disposed on the outer side of the bracket 43, and the shielding cover 44 is opposite to the induction coil 42. The shield can 44 is made of an electromagnetic shielding material in the present embodiment. The shield case 44 covers at least the induction coil 42 completely, and the shield case 44 plays a role of magnetic shielding for the induction coil 42, so that the magnetic interference resistance of the induction coil 42 can be improved, and the induction coil 42 can be prevented from being damaged mechanically.
The shielding cover 44 in the prior art is generally in a circular ring shape and is sleeved outside the bracket 43, but gaps exist between two ends of the shielding cover in the prior art and the bracket, and the gaps cannot completely wrap the induction coil 42, so that the induction coil 42 cannot be effectively prevented from receiving external interference.
As shown in fig. 7 to 9, in the present embodiment, the shield 44 includes a shield body 441 covering at least the outer side of the annular groove, and a first annular side plate 442 and a second annular side plate 443 disposed on opposite sides of the shield body 441, and both the first annular side plate 442 and the second annular side plate 443 are sleeved outside the bracket 43. The first annular side plate 442 and the second annular side plate 443 are sleeved outside the bracket 43, so that the induction coil 42 can be better coated, and the shielding effect of the induction coil 42 is improved.
The first annular side plate 442 and the shield case body 441 are integrally formed by bending, and the second annular side plate 443 and the shield case body 441 are detachably connected and fixed. Although the first annular side plate 441 and the second annular side plate 442 are disposed at the two ends of the shield case body 441 to achieve a better shielding effect, the installation of the shield case is difficult, and in order to solve the above technical problem, at least one of the first annular side plate 442 and the second annular side plate 443 is disposed to be detachably connected and fixed with the shield case body 441.
An annular outer side plate 444 is formed on the side of the shield case body 441 opposite to the first annular side plate 442, and the second annular side plate 443 is fixed to the first annular side plate 442 by bending. The folding lugs are arranged on the first annular side plate 442 and are arranged at intervals along the circumferential direction of the first annular side plate 442, an avoiding groove matched with the folding lugs is formed in the annular outer side plate 444, and the folding lugs are attached to one side, deviating from the first annular side plate 442, of the annular outer side plate 444 after being bent.
In another embodiment, the shielding case 44 includes a shielding case body, and a first annular side plate and a second annular side plate disposed on two opposite sides of the shielding case body, the first annular side plate extends from the shielding case body to the support 43, the second annular side plate extends from the shielding case body to the support 43, the shielding case body includes a first body and a second body detachably connected and fixed, and the first body and the second body are detachably connected and fixed through a connecting member.
As shown in fig. 11, the sensing assembly 4 further has a mounting bracket 46 that is sleeved outside the shielding case 44 and is used for mounting and fixing the signal processing unit 45. Be provided with on the mounting bracket 46 with the mounting groove 460 of signal processing unit 45 looks adaptation, still have the reference column 461 that extends the setting along the axial direction of meeting an emergency sleeve pipe 1 on the mounting bracket 46, be provided with on the shield cover 44 with the locating hole 440 of reference column 461 looks adaptation, locating hole 440 sets up on the annular outer panel 444, realize the installation location of mounting bracket 46 through the cooperation of reference column 461 and locating hole 440, can prevent that the relative support of mounting bracket 46 from producing relative rotation in the week, the mounting bracket 46 cover is established and is fixed in the installation of the realization mounting bracket 46 that the outside of support 43 can be more convenient.
As shown in fig. 4 and 6, the strain sleeve 1 is further provided with a first sliding gasket 13 and a second sliding gasket 14 which are sleeved outside the strain sleeve 1 and fixed on the strain sleeve 1, and the first sliding gasket 13 and the second sliding gasket 14 are respectively abutted against two opposite sides of the bracket 43 and are in sliding fit with the bracket 43. The material of the first sliding pad 13 and the second sliding pad 14 is the same as the material of the bracket 43. The first sliding washer 13 and the second sliding washer 14 are disposed at an interval in the axial direction of the strain sleeve 1, and the first sliding washer 13 and the second sliding washer 14 limit the bracket 43 in the axial direction. In the process of rotating the strain sleeve 1 relative to the bracket 43, the first sliding gasket 13 slides relative to one end of the bracket 43, the second sliding gasket 14 slides relative to the other end of the bracket 43, and in order to reduce the friction force between the first sliding gasket 13 and the bracket 43, the materials of the first sliding gasket 13 and the bracket 43 are consistent.
The utility model also discloses measuring equipment, which comprises the torque sensing module and an equipment shell, wherein the sensing component 4 is fixed on the equipment shell; the opposite two ends of the strain sleeve in the axial direction are respectively provided with a first connecting part and a second connecting part. The first connecting part is an internal spline 11 arranged on the strain sleeve 1, and the second connecting part is an external spline 12 arranged on the strain sleeve 1.
The measuring device can be arranged independently of the motor and has a device housing for fixing the torque sensor module, the measuring device can be fixed in the axial direction of the output shaft of the motor, one end of a strain sleeve of the measuring device is connected with the motor, and the other end of the strain sleeve is connected with a driving piece driven by the motor.
The utility model further discloses a motor of the moped, which comprises a motor shell, a motor arranged on the motor shell and the torque sensing module, wherein an induction component of the torque sensing module is fixedly arranged on the motor shell, and the strain sleeve is fixedly connected with an output shaft of the motor. Different from the measuring equipment, the sensing assembly of the torque sensing module uses a motor shell as a supporting shell, and the measuring equipment is provided with a separate shell for supporting and fixing.
The utility model further discloses a vehicle, which comprises a frame body, a motor arranged on the frame body and the torque sensing module, wherein the torque sensing module is arranged on the frame body. The sensing assembly 4 of the torque sensing module is fixed on the frame body, and the strain sleeve of the torque sensing module is connected and fixed with the output shaft of the motor.
The construction, features and functions of the present invention are described in detail in the embodiments illustrated in the drawings, which are only preferred embodiments of the present invention, but the present invention is not limited by the drawings, and all equivalent embodiments modified or changed according to the idea of the present invention should fall within the protection scope of the present invention without departing from the spirit of the present invention covered by the description and the drawings.
Claims (14)
1. A torque sensing module, comprising: the device comprises a strain sleeve, a torque monitoring piece, a speed monitoring piece and a sensing assembly, wherein the torque monitoring piece and the speed monitoring piece are arranged on the strain sleeve;
the induction assembly comprises a bracket, an induction coil which is arranged on the bracket and is matched with the torque monitoring piece, a shielding cover which covers the induction coil and a signal processing unit which is electrically connected with the induction coil;
the signal processing unit is provided with a speed sensing piece matched with the speed monitoring piece.
2. The torque sensing module of claim 1, wherein: the speed sensing part is provided with a working face for sensing the action of the speed monitoring part, the normal direction of the working face is parallel to the axial direction of the strain sleeve, and the speed monitoring part is provided with a plurality of monitoring strips extending in the radial direction of the strain sleeve.
3. The torque sensing module of claim 2, wherein: the speed sensing piece is a Hall element arranged on the support, the monitoring strips are made of metal, and the monitoring strips are arranged along the circumferential direction of the strain sleeve at intervals.
4. The torque sensing module of claim 2, wherein: the speed monitoring piece is also provided with an annular fixed plate fixed outside the strain sleeve, and the monitoring strip is fixed on the annular fixed plate.
5. The torque sensing module of claim 4, wherein: the speed monitoring part is a stamping part formed by stamping or laser etching.
6. The torque sensing module of claim 1, wherein: the bracket is sleeved outside the strain sleeve, the strain sleeve can rotate relative to the bracket, and an annular groove for installing and fixing the induction coil is formed in the bracket; the shielding cover is sleeved outside the bracket;
the induction component is also provided with a mounting rack which is sleeved outside the shielding cover and used for mounting and fixing the signal processing unit.
7. The torque sensing module of claim 6, wherein: the shielding case comprises a shielding case body at least covered on the outer side of the annular groove, a first annular side plate and a second annular side plate, wherein the first annular side plate and the second annular side plate are arranged on two opposite sides of the shielding case body, and the first annular side plate and the second annular side plate are sleeved outside the support.
8. The torque sensing module of claim 7, wherein: the first annular side plate and the shielding case body are integrally bent and formed, and the second annular side plate and the shielding case body are detachably connected and fixed;
an annular outer side plate is formed on one side, opposite to the first annular side plate, of the shielding case body, and the second annular side plate is connected and fixed with the first annular side plate through a folded lug in a bending mode.
9. The torque sensing module of claim 6, wherein: the strain sleeve is further provided with a first sliding gasket and a second sliding gasket, the first sliding gasket and the second sliding gasket are sleeved outside the strain sleeve and fixed on the strain sleeve, and the first sliding gasket and the second sliding gasket are respectively abutted against two opposite sides of the support and are in sliding fit with the support.
10. The torque sensing module of claim 9, wherein: the first sliding gasket and the second sliding gasket are made of the same material as that of the bracket.
11. The torque sensing module of claim 6, wherein: the mounting bracket is provided with a positioning column, and the shielding cover is provided with a positioning hole which is matched with the positioning column to limit the mounting bracket and the shielding cover to generate relative sliding along the circumferential direction of the shielding cover.
12. A measuring device, characterized by: comprising a torque sensing module according to any one of claims 1 to 11 and an equipment housing, the sensing assembly being secured to the equipment housing; the opposite two ends of the strain sleeve in the axial direction are respectively provided with a first connecting part and a second connecting part.
13. A motor for a moped, comprising a motor housing, a motor disposed on the motor housing, and a torque sensing module according to any one of claims 1 to 11, wherein the sensing component of the torque sensing module is mounted and fixed on the motor housing, and the strain sleeve is connected and fixed with the output shaft of the motor.
14. A vehicle, comprising a frame body, a motor arranged on the frame body, and the torque sensing module set according to any one of claims 1 to 11, wherein the sensing component of the torque sensing module set is arranged on the frame body, and the strain sleeve is fixedly connected with an output shaft of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121505358.1U CN215952826U (en) | 2021-07-02 | 2021-07-02 | Torque sensing module, measuring equipment, moped motor and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121505358.1U CN215952826U (en) | 2021-07-02 | 2021-07-02 | Torque sensing module, measuring equipment, moped motor and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215952826U true CN215952826U (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121505358.1U Active CN215952826U (en) | 2021-07-02 | 2021-07-02 | Torque sensing module, measuring equipment, moped motor and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215952826U (en) |
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2021
- 2021-07-02 CN CN202121505358.1U patent/CN215952826U/en active Active
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