CN220795249U - Rotation speed and rotation direction detection device for motor - Google Patents

Rotation speed and rotation direction detection device for motor Download PDF

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Publication number
CN220795249U
CN220795249U CN202322534636.1U CN202322534636U CN220795249U CN 220795249 U CN220795249 U CN 220795249U CN 202322534636 U CN202322534636 U CN 202322534636U CN 220795249 U CN220795249 U CN 220795249U
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China
Prior art keywords
assembly
driving shaft
induction
motor
shaft
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CN202322534636.1U
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Chinese (zh)
Inventor
应逸恒
郭建兵
金高凡
应阔
孙亮亮
庄林强
孙迎迎
应鑫森
黄会飞
黄理
黄明丰
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ZHEJIANG SAFUN INDUSTRIAL CO LTD
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ZHEJIANG SAFUN INDUSTRIAL CO LTD
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Abstract

The utility model discloses a rotating speed and rotating direction detection device for a motor, which comprises a loader, a coupler, an output shaft arranged at one end of the coupler, a detection assembly, an induction assembly, a supporting table, a display assembly and a setting assembly, wherein the other end of the output shaft is connected with the motor shaft; the loader is rotationally provided with a driving shaft, the driving shaft is in plug-in fit with one end, far away from the output shaft, of the coupling, the detection assembly is arranged on the driving shaft and rotates along with the driving shaft, and the induction assembly is arranged above the detection assembly; the display assembly is provided with a main circuit board, and the sensing assembly, the display assembly and the setting assembly are all electrically connected with the main circuit board. According to the motor shaft and the detection device, the motor shaft and the detection device are installed in a modularized mode along the vertical direction, the central position of the motor shaft is not required to be adjusted, and therefore the motor testing efficiency is improved.

Description

Rotation speed and rotation direction detection device for motor
Technical Field
The utility model relates to the technical field of detection equipment, in particular to a rotation speed and rotation direction detection device for a motor.
Background
In recent years, domestic brushless motors and electric control technologies are rapidly developed, the sensorless driving technology is mature, more motors and drivers need to be tested in a matched mode, and along with popularization of PLC technology, production and detection of factories are gradually changed into automation.
And traditional test equipment is when testing the motor, and the installation is complicated, need to adjust repeatedly the mounted position of motor, and it is time-consuming and laborious and reduced detection efficiency, consequently need improve this.
Disclosure of Invention
Aiming at the defects of the prior art that the test efficiency is affected due to the need of adjusting the installation position of the motor, the utility model provides a novel rotation speed and rotation direction detection device for the motor.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the rotating speed and rotation direction detection device for the motor comprises a loader, a coupler and an output shaft arranged at one end of the coupler, wherein the other end of the output shaft is connected with a motor shaft, the device also comprises a detection assembly, an induction assembly, a supporting table, a display assembly and a setting assembly, the supporting table is arranged at the top of the loader, a cavity is penetrated through the supporting table, and the coupler, the output shaft, the detection assembly and the induction assembly are arranged in the cavity in the vertical direction; the loader is rotationally provided with a driving shaft, the driving shaft is in plug-in fit with one end, far away from the output shaft, of the coupling, the detection assembly is arranged on the driving shaft and rotates along with the driving shaft, and the induction assembly is arranged above the detection assembly; the display assembly is provided with a main circuit board, and the sensing assembly, the display assembly and the setting assembly are all electrically connected with the main circuit board.
On the one hand, the coupler, the output shaft, the detection assembly and the induction assembly are arranged in the cavity in the vertical direction, and the coupler and the loader are installed in a modularized manner, so that the central position of a motor shaft is not required to be adjusted by a worker, and the installation between the motor to be tested and the testing device is facilitated for the worker; on the other hand, shaft coupling, output shaft, detection component and response subassembly are the modularization installation, are convenient for change the device of damage, and simultaneously through changing the output shaft alright quick test different model motors, efficiency when having improved the motor test. The detection index can be adjusted through the setting component, and the detection result can be displayed through the display component, so that a worker can intuitively judge the detection result, and the convenience of motor shaft test is further improved.
Preferably, the above-mentioned rotational speed and revolve to detection device that motor was used, the detection subassembly is including the cover establish at epaxial induction magnet support of driving, cover establish induction magnet and the fastener on the induction magnet support, induction magnet support passes through the fastener dismantlement with the driving shaft and is connected.
On the one hand, the induction magnet support can be detachably arranged on the driving shaft through the fastening piece, so that the operation difficulty of a worker for installing the detection assembly on the driving shaft is reduced, and the installation and maintenance of the induction magnet by the worker are facilitated. On the other hand, the induction magnet support is limited and fixed through the fastening piece, so that the condition that the induction magnet support rotates along with the rotation of the main shaft is reduced, and the interference to the induction assembly is reduced.
Preferably, the above-mentioned detecting device for rotation speed and rotation direction of a motor, the sensing assembly includes a sensor board and a plurality of sensing elements disposed on the sensor board, and the sensing elements are circumferentially disposed at the bottom of the sensor board; the sensor board is electrically connected with the display assembly.
The sensor board and the sensing element are used for detecting the magnetic field change between the sensing magnets and outputting corresponding pulse signals to the main circuit board to finish the motor test, and the motor test device has the advantages of being high in response speed and high in reliability. The sensing elements are arranged in a plurality, the sensing elements are circumferentially distributed at the bottom of the sensor plate, the range of detection data is enlarged, the sensitivity of magnetic field induction between the sensing elements and the sensing magnets is improved, and therefore the accuracy of detection results is improved.
Preferably, the above-mentioned rotational speed and revolve to detection device that motor was used, be provided with transmission pencil on the sensor board, the loader top is provided with the bearing platform, driving shaft, brace table set up on the bearing platform, the wire casing has been seted up on the bearing platform surface, transmission pencil wears out from the wire casing and is connected with the display module assembly electricity.
The wire outlet groove can limit the transmission wire harness, so that the regularity of the wire harness is improved, and the wire connection and maintenance work of the transmission wire harness are facilitated.
Preferably, the above-mentioned rotation speed and rotation direction detecting device for a motor, the sensing assembly further includes a dust cover, and the dust cover is sleeved outside the sensor board.
The dust cover can play the guard action to the sensor board and install the sensing element in sensor board bottom, has reduced external impurity and has fallen into the condition on sensor board and the sensing element, and then has ensured the accuracy of testing result.
Preferably, the rotation speed and rotation direction detecting device for the motor is characterized in that a plurality of insulating spacers are arranged at the top of the supporting platform, the insulating spacers are circumferentially arranged outside the driving shaft in a surrounding mode, the sensor plate is arranged on the insulating spacers, and gaps exist between the sensing elements and the sensing magnets.
On the one hand, the contact area between the sensor plate and the top of the supporting platform is reduced through the insulating spacer, the probability of abrasion and noise generation of the sensor plate is reduced, and the insulating spacer is provided with a plurality of insulating spacers circumferentially distributed on the top of the supporting platform, so that the stability of the sensor plate during installation is improved. On the other hand, the non-contact detection is carried out among the induction element, the sensor plate and the induction magnet through the insulating spacer, so that the accuracy of high detection data can be provided, and the accuracy of detection results is further improved.
Preferably, in the above-mentioned rotation speed and rotation direction detection device for a motor, a positioning ring is arranged at the top of the supporting platform, the outer diameter of the positioning ring is smaller than the inner diameter of the dust cover, and the outer side wall of the positioning ring is propped against the inner side wall of the dust cover.
Can play the guide effect to the installation of dirt proof boot through the holding ring, improve the accuracy nature of dirt proof boot shroud on the sensor board, simultaneously because of the dirt proof boot hoops tightly on the holding ring lateral wall, further improved the firm nature when the dirt proof boot is installed.
Preferably, in the above-mentioned rotation speed and rotation direction detection device for a motor, the induction magnet support is provided with a key slot, the driving shaft is provided with a key block, and the key block is inserted into and clamped in the key slot.
The rotation of the induction magnet support can be further limited through the key block and the key groove, the situation that the induction magnet support slips when rotating along with the main shaft is prevented, the stability of the induction magnet is improved, and the test work is convenient to carry out.
Preferably, the above-mentioned rotation speed and rotation direction detection device for motor, wherein the bottom edge of the induction magnet support is provided with a reinforcing edge, the reinforcing edge extends towards the direction close to the top of the induction magnet, and the induction magnet is abutted against the inner side wall of the reinforcing edge.
Can be with the chucking of induction magnet in induction magnet support bottom through strengthening the limit, and set up in induction magnet support bottom because of strengthening the limit circumference, so can carry out the large tracts of land to induction magnet fixedly, further improved the stability of induction magnet installation on induction magnet support.
Preferably, the above-mentioned rotation speed and rotation direction detecting device for a motor, wherein the display assembly includes an indicator light and a display screen.
The display screen is used for displaying the rotating speed and the rotating direction, and the indicator lamp indicates qualified and unqualified results according to the detection results, so that the staff can conveniently and intuitively judge the current detection results.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is an exploded view of a loader, detection assembly, sensing assembly, and support platform embodying the present utility model;
fig. 4 is an exploded view of a display assembly, a setting assembly, and a sensing assembly embodying the present utility model.
Detailed Description
The utility model is described in further detail below in connection with figures 1-4 and the detailed description, which are not intended to limit the utility model:
example 1
As shown in fig. 1-4, the rotation speed and rotation direction detection device for the motor comprises a loader 1, a coupler 2, an output shaft 3 arranged at one end of the coupler 2, a detection assembly 4, an induction assembly 5, a supporting table 6, a display assembly 7 and a setting assembly 8, wherein the supporting table 6 is arranged at the top of the loader 1, a cavity 61 is penetrated through the supporting table 6, and the coupler 2, the output shaft 3, the detection assembly 4 and the induction assembly 5 are arranged in the cavity 61 in the vertical direction; the loader 1 is rotatably provided with a driving shaft 11, the driving shaft 11 is in plug-in fit with one end, far away from the output shaft 3, of the coupler 2, the detection assembly 4 is arranged on the driving shaft 11 and rotates along with the driving shaft 11, and the induction assembly 5 is arranged above the detection assembly 4; the display assembly 7 is provided with a main circuit board 9, and the sensing assembly 5, the display assembly 7 and the setting assembly 8 are all electrically connected with the main circuit board 9.
Specifically, when the motor is installed, the detection assembly 4 is sleeved on the driving shaft 11 along the vertical direction, the induction assembly 5 is installed above the detection assembly 4, then one end of the coupler 2 is inserted on the driving shaft 11, the output shaft 3 is inserted at the other end of the coupler 2, the motor shaft is inserted at the other end of the output shaft 3, and finally the motor is fixed at the top end of the supporting table 6 through fasteners such as screws, so that the installation of the motor to be detected is completed, and a worker can perform rotation speed and rotation direction test on the motor shaft through the induction assembly 5 and the detection assembly 4 and display the rotation speed and rotation direction through the display assembly 7.
When the motors with different models are required to be tested, the motors with different models can be tested by replacing the adaptive output shaft 3 and the motors to be tested and adjusting the test indexes through the setting component 8 and the main circuit board 9.
Preferably, the detection assembly 4 includes an induction magnet bracket 41 sleeved on the driving shaft 11, an induction magnet 42 sleeved on the induction magnet bracket 41, and a fastening piece 43, where the induction magnet bracket 41 is detachably connected with the driving shaft 11 through the fastening piece 43.
Preferably, the sensing assembly 5 includes a sensor board 51 and a plurality of sensing elements 52 disposed on the sensor board 51, the sensing elements 52 are disposed circumferentially around the bottom of the sensor board 51; the sensor board 51 is electrically connected to the display assembly 7.
Preferably, a transmission wire harness 511 is disposed on the sensor board 51, a bearing platform 12 is disposed on the top of the loader 1, the driving shaft 11 and the supporting table 6 are disposed on the bearing platform 12, a wire outlet slot 121 is formed on the surface of the bearing platform 12, and the transmission wire harness 511 penetrates out of the wire outlet slot 121 and is electrically connected with the display assembly 7.
Preferably, the sensing assembly 5 further includes a dust cover 53, and the dust cover 53 is sleeved outside the sensor board 51.
Preferably, a plurality of insulating spacers 13 are arranged on the top of the supporting platform 12, the insulating spacers 13 are circumferentially arranged outside the driving shaft 11, the sensor plate 51 is arranged on the insulating spacers 13, and a gap exists between the sensing element 52 and the sensing magnet 42.
Preferably, a positioning ring 122 is arranged at the top of the supporting platform 12, the outer diameter of the positioning ring 122 is smaller than the inner diameter of the dust cover 53, and the outer side wall of the positioning ring 122 abuts against the inner side wall of the dust cover 53.
Preferably, the induction magnet holder 41 is provided with a key slot 411, the driving shaft 11 is provided with a key block 111, and the key block 111 is inserted into and clamped in the key slot 411.
Preferably, a reinforcing edge 412 is provided at the bottom edge of the induction magnet holder 41, the reinforcing edge 412 extends in a direction approaching the top of the induction magnet 42, and the induction magnet 42 abuts against the inner side wall of the reinforcing edge 412.
Preferably, the display assembly 7 includes an indicator light 71 and a display screen 72.
More specifically, when the detection assembly 4 is sleeved on the driving shaft 11, the induction magnet 42 is sleeved on the induction magnet support 41, so that the outer side wall of the induction magnet 42 abuts against the inner side wall of the reinforcing edge 412, then the induction magnet support 41 is sleeved on the bottom of the driving shaft 11, the key block 111 is clamped in the key slot 411, and finally the fastener 43 is used for fixing the induction magnet support 41 on the driving shaft 11 along the horizontal direction, so that the installation and the fixing of the detection assembly 4 and the driving shaft 11 are completed. In the present embodiment, the fasteners 43 include, but are not limited to, chicken-screw.
When the sensing assembly 5 is mounted above the detecting assembly 4, the side of the sensor board 51, on which the sensing element 52 is mounted, faces the driving shaft 11, the edge of the sensor board 51 is aligned with the insulating spacer 13, the sensor board 51 is placed on top of the insulating spacer 13, the transmission wire harness 511 is led out of the wire outlet groove 121, and then the transmission wire harness 511 is plugged into the main circuit board 9, so that the electrical connection between the sensor board 51 and the display assembly 7 is completed.
Finally, the dustproof cover 53 covers the sensor plate 51, the dustproof cover 53 abuts against the outer side wall of the positioning ring 122, the dustproof cover 53 and the sensor plate 51 are fixed on the insulating spacer 13 through bolts, and at the moment, the installation and fixation of the induction component 5 are completed.
In this embodiment of the application, the thinnest 0.4mm that accomplishes of sensor board 51 thickness, and sensor board 51, induction magnet support 41 and dirt proof boot 53 install highly be less than 1.2cm on driving shaft 11 to make detection assembly 4 and induction assembly 5 occupation space little, made things convenient for the staff quick with detection assembly 4, induction assembly 5 embedded mounting on loader 1.
Preferably, the display assembly 7 includes an indicator light 71 and a display screen 72.
More specifically, the setting component 8 includes a function selection key, a value adding key and a value subtracting key electrically connected with the main circuit board 9, a worker determines to set a rotation direction parameter or a rotation speed parameter through the function selection key, and adjusts a rotation speed threshold and a rotation direction threshold through the value adding key and the value subtracting key. In the detection, the main circuit board 9 processes the data transmitted by the sensor board 51 and displays the processed data on the display screen 72 and the indicator light 71, and then the operator can judge the current detection result through the numerical value on the display screen 72 and the color of the indicator light 71. In the embodiment of the present application, the display screen 72 adopts a five-digit nixie tube.
In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications that come within the scope of the present utility model are desired to be covered thereby.

Claims (10)

1. The utility model provides a rotational speed and revolve to detection device that motor was used, includes loader (1), shaft coupling (2) and sets up output shaft (3) in shaft coupling (2) one end, output shaft (3) other end and motor shaft connection, its characterized in that: the device comprises a loader (1), and is characterized by further comprising a detection assembly (4), an induction assembly (5), a supporting table (6), a display assembly (7) and a setting assembly (8), wherein the supporting table (6) is arranged at the top of the loader (1), a cavity (61) is penetrated through the supporting table (6), and the coupler (2), the output shaft (3), the detection assembly (4) and the induction assembly (5) are vertically arranged in the cavity (61); the loader (1) is rotatably provided with a driving shaft (11), the driving shaft (11) is in plug-in fit with one end, far away from the output shaft (3), of the coupler (2), the detection assembly (4) is arranged on the driving shaft (11) and rotates along with the driving shaft (11), and the induction assembly (5) is arranged above the detection assembly (4); the display assembly (7) is provided with a main circuit board (9), and the induction assembly (5), the display assembly (7) and the setting assembly (8) are electrically connected with the main circuit board (9).
2. The rotation speed and direction detecting device for a motor according to claim 1, wherein: the detection assembly (4) comprises an induction magnet support (41) sleeved on the driving shaft (11), an induction magnet (42) sleeved on the induction magnet support (41) and a fastening piece (43), wherein the induction magnet support (41) is detachably connected with the driving shaft (11) through the fastening piece (43).
3. The rotation speed and direction detecting device for a motor according to claim 2, wherein: the sensing assembly (5) comprises a sensor plate (51) and a plurality of sensing elements (52) arranged on the sensor plate (51), wherein the sensing elements (52) are arranged at the bottom of the sensor plate (51) in a circumferential surrounding manner; the sensor board (51) is electrically connected with the display assembly (7).
4. A rotation speed and direction detecting device for a motor according to claim 3, wherein: be provided with transmission pencil (511) on sensor board (51), loader (1) top is provided with bearing platform (12), driving shaft (11), supporting bench (6) set up on bearing platform (12), go out wire casing (121) have been seted up on bearing platform (12) surface, transmission pencil (511) are worn out from in wire casing (121) and are connected with display module assembly (7) electricity.
5. The apparatus for detecting rotational speed and rotational direction of a motor according to claim 4, wherein: the induction component (5) further comprises a dustproof sleeve (53), and the dustproof sleeve (53) is sleeved outside the sensor plate (51).
6. The apparatus for detecting rotational speed and rotational direction of a motor according to claim 4, wherein: the bearing platform (12) top is provided with a plurality of insulating cup (13), insulating cup (13) circumference encircles and sets up in driving shaft (11) outside, sensor board (51) set up on insulating cup (13), there is the clearance between sensing element (52) and induction magnet (42).
7. The apparatus for detecting rotational speed and rotational direction of a motor according to claim 5, wherein: the top of the bearing platform (12) is provided with a positioning ring (122), the outer diameter of the positioning ring (122) is smaller than the inner diameter of the dust cover (53), and the outer side wall of the positioning ring (122) is propped against the inner side wall of the dust cover (53).
8. The rotation speed and direction detecting device for a motor according to claim 2, wherein: the induction magnet support (41) is provided with a key slot (411), the driving shaft (11) is provided with a key block (111), and the key block (111) is inserted into and clamped in the key slot (411).
9. The rotation speed and direction detecting device for a motor according to claim 2, wherein: the induction magnet support (41) bottom edge is provided with the reinforcement limit (412), the reinforcement limit (412) extends to being close to induction magnet (42) top direction, induction magnet (42) offsets with reinforcement limit (412) inside wall.
10. The rotation speed and direction detecting device for a motor according to claim 1, wherein: the display assembly (7) comprises an indicator lamp (71) and a display screen (72).
CN202322534636.1U 2023-09-18 2023-09-18 Rotation speed and rotation direction detection device for motor Active CN220795249U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322534636.1U CN220795249U (en) 2023-09-18 2023-09-18 Rotation speed and rotation direction detection device for motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322534636.1U CN220795249U (en) 2023-09-18 2023-09-18 Rotation speed and rotation direction detection device for motor

Publications (1)

Publication Number Publication Date
CN220795249U true CN220795249U (en) 2024-04-16

Family

ID=90629660

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322534636.1U Active CN220795249U (en) 2023-09-18 2023-09-18 Rotation speed and rotation direction detection device for motor

Country Status (1)

Country Link
CN (1) CN220795249U (en)

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