CN217240509U

CN217240509U - Motor rotation speed monitoring device

Info

Publication number: CN217240509U
Application number: CN202220695895.5U
Authority: CN
Inventors: 孙鹏; 詹同道
Original assignee: Foshan Esamber Electronic Technology Co ltd
Current assignee: Foshan Esamber Electronic Technology Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-19
Anticipated expiration: 2032-03-28

Abstract

The utility model relates to the technical field of monitoring devices, and discloses a motor rotating speed monitoring device which is used for monitoring the rotating speed of a motor, wherein the motor comprises a shell, a shell cover and a rotating shaft, the rotating shaft is positioned inside the shell, and the shell cover is arranged on the shell; the device comprises an induction component, a mounting bracket and a detection component, wherein the induction component is arranged on the rotating shaft and penetrates out of the shell cover; the mounting bracket is arranged on the top surface of the shell cover and is provided with a mounting hole; the detection assembly is arranged in the mounting hole and used for detecting the rotation frequency of the induction assembly. The utility model discloses its overall structure is stable, and is located the outside of motor, can not influence the rotation of motor self, guarantees measurement accuracy, and long service life.

Description

Motor rotation speed monitoring device

Technical Field

The utility model relates to a monitoring device technical field especially relates to a motor rotational speed monitoring device.

Background

In industrial automation production, the rotating speed of the electric motor is often detected, abnormal conditions of the work of the electric motor are discovered in time, corresponding measures are taken in time once a fault precursor occurs, and huge economic loss caused by shutdown maintenance can be avoided. At present, the measurement mode of an electric motor is realized by installing an electric brush and a commutator on the motor and matching a corresponding measurement circuit, but the friction between the electric brush and the commutator increases the viscous torque of the measured motor, the sensitivity is low, and meanwhile, the measurement precision of the electric motor can be directly influenced due to radio frequency noise caused by the intermittent contact or poor contact of the electric brush and the commutator, so that the rotation speed measurement of the electric motor cannot be effectively monitored and guaranteed in the production process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a motor rotational speed monitoring device, its overall structure is stable, and is located the outside of motor, can not influence the rotation of motor self, guarantees measurement accuracy, and long service life.

In order to solve the above technical problem, the present invention provides a motor rotation speed monitoring device for monitoring a rotation speed of a motor, wherein the motor includes a housing, a housing cover, and a rotation shaft, the rotation shaft is located inside the housing, and the housing cover is disposed on the housing; the detection device comprises an induction component, a mounting bracket and a detection component, wherein the induction component is arranged on the rotating shaft and penetrates out of the shell cover; the mounting bracket is arranged on the top surface of the shell cover, and is provided with a mounting hole; the detection assembly is arranged in the mounting hole and used for detecting the rotation frequency of the induction assembly.

Preferably, the induction assembly comprises a fixing bolt, a mounting block and an induction magnet; the mounting block is provided with a through hole, and one end of the fixing bolt penetrates through the through hole and then is connected with the rotating shaft; the induction magnet has a first level and a second level, the induction magnet set in the installation block, just the first level of induction magnet sets up outwards.

Preferably, the induction magnets are arranged in two, and the two induction magnets are arranged oppositely.

Preferably, the detection assembly comprises a detection rod, one end of the detection rod is inserted into the mounting hole, and one end of the detection rod is arranged corresponding to the sensing assembly.

Preferably, the mounting bracket comprises a support leg and a support plate, the support plate is of a circular ring structure, the support leg is arranged on the bottom surface of the support plate, and the support leg is perpendicular to the support plate.

Preferably, a mounting plate extends towards one side of the supporting leg, and the mounting hole is formed in the mounting plate.

Preferably, the bottom end of the supporting leg is provided with a clamping groove.

Preferably, the support plate is provided with a connecting hole, the mounting bracket further comprises a connecting bolt, and the connecting bolt penetrates through the connecting hole and then is connected with the shell cover.

Preferably, the connecting holes are opened three, the connecting bolts are correspondingly provided three, and the connecting holes are equidistantly arranged on the supporting plate.

Preferably, the support plate is provided with three support legs, and the three support legs are equidistantly arranged on the support plate.

The utility model discloses following beneficial effect has:

the utility model discloses a motor rotational speed monitoring device sets up response subassembly and determine module, is connected the pivot of response subassembly and motor, follows the pivot and rotates, and is located the outside of motor, detects the response subassembly through outside determine module, realizes detecting the control of motor rotational speed, and whole process all goes on in the motor outside, can not disturb the rotation of motor inside, has improved the precision of measuring the control to convenient subsequent change is maintained, has improved life.

Drawings

Fig. 1 is a schematic structural diagram of a motor rotation speed monitoring device according to an embodiment of the present invention;

fig. 2 is an exploded view of a motor rotation speed monitoring device according to an embodiment of the present invention.

Reference numerals:

1. a shell cover; 2. an inductive component; 21. fixing the bolt; 22. mounting blocks; 23. an induction magnet; 3. mounting a bracket; 31. mounting holes; 32. a support leg; 33. a support plate; 4. a detection component; 41. a detection rod.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present application.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Referring to fig. 1 and 2, a preferred embodiment of the present invention provides a motor rotation speed monitoring device for monitoring a rotation speed of a motor, the motor including a housing (not shown), a housing cover 1 and a rotating shaft (not shown), the rotating shaft being located inside the housing, the housing cover 1 being covered on the housing; the device comprises an induction component 2, a mounting bracket 3 and a detection component 4, wherein the induction component 2 is arranged on a rotating shaft, and the induction component 2 penetrates out of a shell cover 1; the mounting bracket 3 is arranged on the top surface of the shell cover 1, and the mounting bracket 3 is provided with a mounting hole 31; the detection component 4 is arranged in the mounting hole 31, and the detection component 4 is used for detecting the rotation frequency of the induction component 2.

Above-mentioned motor rotational speed monitoring device's use when the pivot rotates, drives response subassembly 2 and rotates, and detection component 4 detects response subassembly 2's rotational frequency, and then realizes detecting the control to the rotational frequency of pivot.

The detection unit 4 is connected to an external control unit, which may be a PC.

In some preferred embodiments of the present invention, the sensing assembly 2 includes a fixing bolt 21, a mounting block 22 and a sensing magnet 23; the mounting block 22 is provided with a through hole, and one end of the fixing bolt 21 is connected with the rotating shaft after penetrating through the through hole; the induction magnet 23 has a first stage and a second stage, the induction magnet 23 is disposed on the mounting block 22, and the first stage of the induction magnet 23 is disposed outward. Specifically, the detecting component 4 is a hall sensor, the first level of the sensing magnet 23 is N-level, and each time the N-level passes through the detecting component 4, the detecting component 4 sends a signal to an external control mechanism to record once.

In some preferred embodiments of the present invention, the induction magnets 23 are provided in two, and the two induction magnets 23 are disposed oppositely.

In some preferred embodiments of the present invention, the detecting component 4 includes a detecting rod 41, one end of the detecting rod 41 is inserted into the mounting hole 31, and one end of the detecting rod 41 corresponds to the sensing component 2.

In some preferred embodiments of the present invention, the mounting bracket 3 comprises a supporting leg 32 and a supporting plate 33, the supporting plate 33 is a circular ring structure, the supporting leg 32 is disposed on the bottom surface of the supporting plate 33, and the supporting leg 32 is perpendicular to the supporting plate 33.

In some preferred embodiments of the present invention, the supporting legs 32 extend to one side to form a mounting plate, and the mounting holes 31 are opened on the mounting plate.

In some preferred embodiments of the present invention, the bottom end of the supporting leg 32 is provided with a slot.

In some preferred embodiments of the present invention, the supporting plate 33 has a connecting hole, the mounting bracket 3 further includes a connecting bolt, and the connecting bolt is connected to the housing cover 1 after passing through the connecting hole.

The utility model discloses an in some preferred embodiments, the connecting hole has been seted up threely, and connecting bolt correspondence is provided with threely, and three connecting hole equidistance sets up in backup pad 33.

In some preferred embodiments of the present invention, the supporting legs 32 are three, and three supporting legs 32 are equidistantly disposed on the supporting plate 33.

To sum up, the preferred embodiment of the present invention provides a motor rotation speed monitoring device, which is compared with the prior art:

the utility model discloses a motor rotational speed monitoring device sets up response subassembly 2 and determine module 4, be connected response subassembly 2 with the pivot of motor, follow the pivot and rotate, and be located the outside of motor, detect response subassembly 2 through outside determine module 4, realize detecting the control of motor rotational speed, whole process all goes on in the motor outside, can not disturb the rotation of motor inside, the precision of measuring the control has been improved, and convenient subsequent change is maintained, life has been improved.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. A motor rotating speed monitoring device is used for monitoring the rotating speed of a motor, wherein the motor comprises a shell, a shell cover (1) and a rotating shaft, the rotating shaft is positioned in the shell, and the shell cover (1) is arranged on the shell in a covering manner; it is characterized by comprising:

the induction component (2) is arranged on the rotating shaft, and the induction component (2) penetrates out of the shell cover (1);

the mounting bracket (3) is arranged on the top surface of the shell cover (1), and a mounting hole (31) is formed in the mounting bracket (3); and

detection component (4), detection component (4) set up in mounting hole (31), detection component (4) are used for detecting the rotational frequency of response subassembly (2).

2. A motor rotation speed monitoring device according to claim 1, wherein: the induction assembly (2) comprises a fixing bolt (21), a mounting block (22) and an induction magnet (23); a through hole is formed in the mounting block (22), and one end of the fixing bolt (21) penetrates through the through hole and then is connected with the rotating shaft; the induction magnet (23) is provided with a first stage and a second stage, the induction magnet (23) is arranged on the mounting block (22), and the first stage of the induction magnet (23) is arranged outwards.

3. A motor rotation speed monitoring device according to claim 2, wherein: the induction magnets (23) are arranged in two numbers, and the two induction magnets (23) are arranged oppositely.

4. A motor rotation speed monitoring device according to claim 1, wherein: the detection assembly (4) comprises a detection rod (41), one end of the detection rod (41) is inserted into the mounting hole (31), and one end of the detection rod (41) corresponds to the induction assembly (2).

5. A motor rotation speed monitoring device according to claim 1, wherein: the mounting bracket (3) comprises a support leg (32) and a support plate (33), the support plate (33) is of a circular ring structure, the support leg (32) is arranged on the bottom surface of the support plate (33), and the support leg (32) is perpendicular to the support plate (33).

6. A motor rotation speed monitoring device according to claim 5, wherein: the supporting foot (32) extends towards one side to form a mounting plate, and the mounting hole (31) is formed in the mounting plate.

7. A motor rotation speed monitoring device according to claim 5, wherein: the bottom end of the supporting leg (32) is provided with a clamping groove.

8. A motor rotation speed monitoring device according to claim 5, wherein: the mounting bracket (3) further comprises a connecting bolt, and the connecting bolt penetrates through the connecting hole and then is connected with the shell cover (1).

9. A motor speed monitoring device in accordance with claim 8, wherein: the connecting hole has been seted up threely, connecting bolt corresponds and is provided with threely, threely the connecting hole equidistance set up in backup pad (33).

10. A motor rotation speed monitoring device according to claim 5, wherein: the stabilizer blade (32) be provided with three, three stabilizer blade (32) equidistance set up in backup pad (33).