CN211086340U - Motor speed measurement sensor - Google Patents

Abstract

The utility model discloses a motor speed sensor, including the ring seat, stator module, positive trapezoidal lug, fall trapezoidal lug, the stator coating, the output wire, go up the shell, lower shell and plug-in components terminal, this motor speed sensor's last shell and lower shell inboard be provided with respectively with positive trapezoidal lug and fall trapezoidal sunken of trapezoidal lug assorted, go up the shell and down the shell through inboard trapezoidal sunken suit on the positive trapezoidal lug on stator module surface and fall trapezoidal lug, then inwards tamp, accomplish the installation promptly, make the installation more convenient, stable.

Description

Motor speed measurement sensor

Technical Field

The utility model relates to a motor is tested the speed relevant field, specifically is a motor speed sensor.

Background

The motor is a device for converting electric energy into mechanical energy, and a rotating magnetic field is generated by utilizing an electrified coil (namely a stator winding) and acts on a rotor (such as a squirrel-cage closed aluminum frame) to form magnetoelectric power rotating torque; the electric motor is divided into a direct current electric motor and an alternating current electric motor according to different power supplies, most of the electric motors in the electric power system are alternating current electric motors which can be synchronous electric motors or asynchronous electric motors (the rotating speed of a stator magnetic field of the electric motor is different from the rotating speed of a rotor to keep synchronous speed); the motor mainly comprises a stator and a rotor, the direction of the forced movement of the electrified conducting wire in the magnetic field is related to the current direction and the direction of the magnetic induction wire (magnetic field direction), and the working principle of the motor is that the magnetic field exerts force on the current to enable the motor to rotate.

In order to ensure the normal use of some equipment, a speed measuring sensor is required to be arranged on a rotating shaft of a motor when the motor in the equipment is used, so that the normal operation of the servicing work flow is ensured; in the production process of the motor speed measuring sensor in the prior art, the packaging process of the shell is complex, the process is more complicated, and the production efficiency of the product is relatively poor.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above insufficiency, the utility model provides a motor speed sensor here.

The utility model discloses a realize like this, construct a motor speed sensor, the device includes ring seat, stator module, positive trapezoidal lug, the trapezoidal lug that falls, stator coating, output wire, goes up shell, lower shell and plug-in components terminal, ring seat outside middle part parcel has stator module, stator module top rear side is connected and is fixed with the stator coating, output wire inserts the inside rear side of stator coating and rather than fixed mutually, output wire top side end connection is fixed with the plug-in components terminal, positive trapezoidal lug sets up in the outside top side of stator module, the trapezoidal lug that falls sets up in the outside bottom side of stator module, it tamps to inside behind the outside top side of stator module to go up the shell cover, the shell cover is tamped to inside behind the outside bottom side of stator module down.

Preferably, the stator coil is wrapped inside the stator assembly, and the stator coil is connected with the output lead.

Preferably, twelve regular trapezoidal lugs and twelve inverted trapezoidal lugs are arranged, and the twelve regular trapezoidal lugs and the twelve inverted trapezoidal lugs are distributed in a staggered mode.

Preferably, a trapezoidal recess matched with the regular trapezoidal bump is arranged at the bottom side of the interior of the upper shell.

Preferably, a trapezoidal recess matched with the inverted trapezoidal bump is arranged on the top side in the lower shell.

Preferably, a through groove is formed in the top side of the rear portion of the upper shell, and the size of the through groove is larger than that of the stator coating layer.

Preferably, the inner sides of the upper shell and the lower shell are respectively provided with eight claws, and the number of the claws is eight.

Preferably, the stator assembly and the housing portion of the stator cladding are both made of polypropylene.

Preferably, the material used for the circular ring seat is nylon.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a motor speed sensor here, compare with the equipment of the same type, have following improvement:

the advantages are that: a motor speed sensor goes up shell and lower shell inboard and is provided with respectively with positive trapezoidal lug and the trapezoidal sunken of falling trapezoidal lug assorted, goes up shell and lower shell through inboard trapezoidal sunken suit on the positive trapezoidal lug on stator module surface and the trapezoidal lug that falls, then inwards tamps, accomplishes the installation promptly, makes the installation more convenient, stable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a right side view of the present invention;

FIG. 3 is a front view of the present invention with the upper and lower housings removed;

fig. 4 is a schematic structural view of the present invention after the upper and lower housings are not mounted and the plug-in terminals are connected;

fig. 5 is a schematic structural diagram of the ring seat of the present invention.

Wherein: the stator comprises a circular ring seat-1, a stator component-2, a regular trapezoid bump-3, an inverted trapezoid bump-4, a stator coating-5, an output lead-6, an upper shell-7, a lower shell-8 and a plug-in terminal-9.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a motor speed sensor through the improvement, including ring seat 1, stator module 2, positive trapezoidal lug 3, inverted trapezoidal lug 4, stator coating 5, output lead 6, upper housing 7, lower housing 8 and plug-in terminal 9, the middle part of the outer side of ring seat 1 is wrapped up with stator module 2, stator module 2 top rear side is connected and fixed with stator coating 5, output lead 6 is inserted into the inside rear side of stator coating 5 and is fixed with it, output lead 6 top side end is connected and fixed with plug-in terminal 9, positive trapezoidal lug 3 is arranged on the outer side of stator module 2 top side, inverted trapezoidal lug 4 is arranged on the outer bottom side of stator module 2, upper housing 7 is sleeved on the outer top side of stator module 2 and is tamped inwards, lower housing 8 is sleeved on the outer bottom side of stator module 2 and is tamped inwards after two sections of housing are sleeved, namely the installation is completed, the installation is more convenient and stable.

Furthermore, the stator coil is wound and wrapped on the inner side of the stator assembly 2 and is connected with the output lead 6, and the stator coil cuts magnetic lines of force, so that sinusoidal alternating electromotive force is induced.

Furthermore, twelve regular trapezoidal lugs 3 and twelve inverted trapezoidal lugs 4 are arranged, and the twelve regular trapezoidal lugs 3 and the twelve inverted trapezoidal lugs 4 are distributed in a staggered manner.

Further, the bottom side of the inner part of the upper shell 7 is provided with a trapezoidal recess matched with the regular trapezoidal convex block 3, and the upper shell 7 is inserted into the top of the stator assembly 2 through the trapezoidal recess matched with the regular trapezoidal convex block 3.

Further, the top side of the inner part of the lower shell 8 is provided with a trapezoidal recess matched with the inverted trapezoidal bump 4, and the lower shell 8 is inserted into the bottom of the stator assembly 2 through the trapezoidal recess matched with the inverted trapezoidal bump 4.

Furthermore, a through groove is formed in the top side of the rear portion of the upper shell 7, and the size of the through groove is larger than that of the stator coating layer 5, so that the stator coating layer 5 can be conveniently installed.

Furthermore, the inner sides of the upper shell 7 and the lower shell 8 are provided with clamping jaws, and the number of the clamping jaws is eight.

Further, the materials used for the stator assembly 2 and the housing portion of the stator cladding 5 are polypropylene.

Further, the material used for the circular ring seat 1 is nylon.

The utility model provides a motor speed measurement sensor through improvement, and the working principle is as follows;

firstly, in the production process of a motor speed measuring sensor, an upper shell 7 and a lower shell 8 are sleeved outside a stator component 2 and then are tamped inwards, and then installation can be completed;

secondly, sleeving a permanent magnet rotor assembly on a rotating shaft of the motor, sleeving a circular ring seat 1 on the outer side of the permanent magnet rotor, connecting a plug-in terminal 9 with a data interface of a microcomputer, and using the design;

thirdly, the permanent magnet rotor assembly sleeved on the motor rotating shaft rotates at a high speed when the motor works, a stator coil in the stator assembly 2 cuts magnetic lines, the stator coil induces sinusoidal alternating electromotive force, and induced voltage signals are transmitted to a microcomputer control system through an output lead;

fourthly, the higher the motor rotating speed is, the higher the intensity of the induction voltage signal is, the strength of the induction voltage signal is in direct proportion to the rotating speed, and the actual rotating speed of the motor can be determined according to the operating rule of a rotating speed-voltage curve of the speed measuring sensor.

The utility model discloses an improve and provide a motor speed sensor, go up shell 7 and lower 8 inboards of shell be provided with respectively with positive trapezoidal lug 3 and the trapezoidal sunken of 4 assorted of trapezoidal lug that fall, go up shell 7 and lower shell 8 through the trapezoidal sunken suit of inboard on positive trapezoidal lug 3 and the trapezoidal lug 4 that fall on stator module 2 surface, then inwards tamp, accomplish the installation promptly, make the installation more convenient, stable.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A motor speed measurement sensor comprises a circular ring seat (1), a stator assembly (2), a stator coating layer (5), an output lead (6) and a plug-in terminal (9), wherein the stator assembly (2) is wrapped at the middle part of the outer side of the circular ring seat (1), the stator coating layer (5) is fixedly connected to the rear side of the top of the stator assembly (2), the output lead (6) is inserted into the rear side of the interior of the stator coating layer (5) and is fixed with the stator coating layer, and the plug-in terminal (9) is fixedly connected to the end part of the top side of the output lead (6);

the method is characterized in that: still include positive trapezoidal lug (3), fall trapezoidal lug (4), go up shell (7) and lower shell (8), positive trapezoidal lug (3) set up in stator module (2) outside top side, fall trapezoidal lug (4) and set up in stator module (2) outside bottom side, it inwards tamps behind stator module (2) outside top side to go up shell (7) cover, shell (8) cover inwards tamps behind stator module (2) outside bottom side down.

2. A motor tachometer sensor according to claim 1, characterized in that: the stator coil is wound and wrapped on the inner side of the stator assembly (2) and is connected with the output lead (6).

3. A motor tachometer sensor according to claim 1, characterized in that: twelve regular trapezoidal lugs (3) and twelve inverted trapezoidal lugs (4) are arranged, and the twelve regular trapezoidal lugs (3) and the twelve inverted trapezoidal lugs (4) are distributed in a staggered mode.

4. A motor tachometer sensor according to claim 1, characterized in that: and a trapezoidal recess matched with the regular trapezoidal bump (3) is arranged at the bottom side in the upper shell (7).

5. A motor tachometer sensor according to claim 1, characterized in that: the top side in the lower shell (8) is provided with a trapezoidal recess matched with the inverted trapezoidal bump (4).

6. A motor tachometer sensor according to claim 1, characterized in that: and a through groove is formed in the top side of the rear part of the upper shell (7), and the size of the through groove is larger than that of the stator coating layer (5).

7. A motor tachometer sensor according to claim 1, characterized in that: the inner sides of the upper shell (7) and the lower shell (8) are provided with clamping jaws, and the number of the clamping jaws is eight.

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