CN211209520U

CN211209520U - Motor with rotation speed monitoring function

Info

Publication number: CN211209520U
Application number: CN201922252788.6U
Authority: CN
Inventors: 陶加山; 陶金; 王磊; 张�荣
Original assignee: Jiangsu Jinfeng Electrical Co ltd
Current assignee: Jiangsu Jinfeng Electrical Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-07
Anticipated expiration: 2029-12-16

Abstract

The utility model relates to the technical field of electric motor, and a motor with rotational speed monitoring function is disclosed, including motor main body, motor main body's the output shaft outside fixedly connected with lantern ring, motor main body top fixed mounting has the protection casing, the protection chamber has been seted up in the protection casing, lantern ring top fixedly connected with runs through the protection casing and extends to the blade in the protection chamber, the seal groove has been seted up to the protection casing front side, the maintenance hole that is located the seal groove rear side and is linked together with the protection chamber has been seted up to the protection casing front side, the seal inslot internal rotation is connected with the maintenance door that is located the maintenance hole top, the equal fixed mounting in maintenance door top and the left and right sides has the sealing rubber. This motor with rotational speed monitoring function has solved present motor rotational speed monitoring and has generally monitored through built-in component, needs the equipment of disintegrating just can continue monitoring motor rotational speed state after the built-in component damages, and the maintenance price is than higher problem.

Description

Motor with rotation speed monitoring function

Technical Field

The utility model relates to the technical field of electric machines, specifically be a motor with rotational speed monitoring function.

Background

The motor is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law, the rotating speed is the rotating speed of a main shaft of the motor, at present, the motor is widely applied to various fields of production and life, and along with the increasingly high requirement on the electric energy quality, the control requirement on the motor is more and more accurate; the rotating speed of the motor is one of important parameters for controlling the motor; particularly in the field of power system technology, there is a need to measure the rotational speed of rotating electrical machines, impellers, fans, and generator sets of equipment.

At present, the rotating speed of a motor is monitored through a built-in element generally, the rotating speed state of the motor can be continuously monitored only by disassembling equipment after the built-in element is damaged, and the maintenance cost is high, so that the motor with the rotating speed monitoring function is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a motor with rotational speed monitoring function possesses the maintenance of being convenient for, and the advantage that protectiveness is good has solved present motor speed monitoring and has generally monitored through built-in element, needs disintegration equipment just can continue monitoring motor speed state after the built-in element damages, the higher problem of maintenance price ratio.

(II) technical scheme

For the maintenance of being convenient for of realizing the aforesaid, the good purpose of protectiveness, the utility model provides a following technical scheme: a motor with a rotating speed monitoring function comprises a motor main body, wherein a lantern ring is fixedly connected to the outer side of an output shaft of the motor main body, a protective cover is fixedly installed at the top of the motor main body, a protective cavity is formed in the protective cover, a blade penetrating through the protective cover and extending into the protective cavity is fixedly connected to the top of the lantern ring, a sealing groove is formed in the front side of the protective cover, a maintenance hole which is located on the rear side of the sealing groove and communicated with the protective cavity is formed in the front side of the protective cover, a maintenance door which is located at the top of the maintenance hole is rotatably connected in the sealing groove, sealing rubber strips are fixedly installed on the top and the left and right sides of the maintenance door, a dehumidification box located on the right side of the blade is slidably connected in the protective cavity, a controller which is located on the right, the proximity sensor is electrically connected with the controller through a signal cable, a buzzer located on the right side of the controller is fixedly connected in the protection cavity, and an indicator lamp is fixedly connected to the top of the protection cover.

Preferably, the distance between the lantern ring and the left end face of the output shaft of the motor main body is larger than five centimeters, and the protective cover is provided with a through groove matched with the blades.

Preferably, the maintenance hole is communicated with the sealing groove, and the sectional area of the maintenance hole is smaller than that of the sealing groove.

Preferably, the cross sectional area of maintenance door equals the cross sectional area of maintenance hole, the one end fixedly connected with hasp that the protection casing was kept away from to the maintenance door, protection casing front side fixed mounting have with the fixing base of hasp looks adaptation.

Preferably, a sliding rail matched with the dehumidification box is fixedly installed in the protection cavity, and the height of the blade is larger than the distance between the proximity sensor and the lantern ring.

Preferably, the buzzer and the indicator light are both electrically connected with the controller, and a display panel and an operation button are fixedly mounted on the front side of the controller.

(III) advantageous effects

Compared with the prior art, the utility model provides a motor with rotational speed monitor function possesses following beneficial effect:

the motor with the rotating speed monitoring function drives the blades fixedly connected with the lantern ring to rotate through the rotation of the output shaft of the motor main body, the proximity sensor generates pulse signals through the blade cutting proximity sensor, and then obtains a rotating speed value according to the pulse signals, thereby realizing the automatic monitoring process of the rotating speed of the motor, the proximity sensor can be prevented from being collided and damaged in the moving process due to the arrangement and the protection cover of the proximity sensor, meanwhile, the measuring result of the proximity sensor can be reduced due to other factors, the damage of moist gas to the proximity sensor and the controller can be reduced through the arrangement of the dehumidification box, the damage of the moist gas to the proximity sensor and the controller can be reduced, a user can conveniently replace the proximity sensor when the proximity sensor is damaged, and meanwhile, rainwater can be prevented from entering the protection cover to damage the proximity sensor and the controller when the motor is used, therefore, the purposes of convenient maintenance and good protection are achieved, and the problems that the motor rotating speed state can be continuously monitored only by disassembling equipment after the built-in element is damaged and the maintenance price is higher due to the fact that the existing motor rotating speed monitoring is generally carried out through the built-in element are effectively solved.

Drawings

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

FIG. 2 is a partial cross-sectional view of the present invention;

fig. 3 is a partially enlarged schematic view of a portion a shown in fig. 2 according to the present invention.

In the figure: the device comprises a motor body 1, a lantern ring 2, a protective cover 3, a protective cavity 4, a blade 5, a sealing groove 6, a maintenance hole 7, a maintenance door 8, a sealing rubber strip 9, a dehumidification box 10, a controller 11, a proximity sensor 12, a signal cable 13, a buzzer 14 and an indicator light 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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.

Referring to fig. 1-3, a motor with a rotation speed monitoring function comprises a motor body 1, a lantern ring 2 is fixedly connected to the outer side of an output shaft of the motor body 1, the distance between the lantern ring 2 and the left end face of the output shaft of the motor body 1 is greater than five centimeters, a protective cover 3 is fixedly installed at the top of the motor body 1, a protective cavity 4 is formed in the protective cover 3, a blade 5 penetrating through the protective cover 3 and extending into the protective cavity 4 is fixedly connected to the top of the lantern ring 2, a through groove matched with the blade 5 is formed in the protective cover 3, a sealing groove 6 is formed in the front of the protective cover 3, a maintenance hole 7 located on the rear side of the sealing groove 6 and communicated with the protective cavity 4 is formed in the front of the protective cover 3, the maintenance hole 7 is communicated with the sealing groove 6, the cross-sectional area of the maintenance hole 7 is smaller than that, the sectional area of the maintenance door 8 is equal to that of the maintenance hole 7, one end of the maintenance door 8, which is far away from the protective cover 3, is fixedly connected with a hasp, a fixed seat matched with the hasp is fixedly arranged on the front side of the protective cover 3, the top and the left and right sides of the maintenance door 8 are fixedly provided with sealing rubber strips 9, a dehumidification box 10 positioned on the right side of the blade 5 is slidably connected in the protective cavity 4, a slide rail matched with the dehumidification box 10 is fixedly arranged in the protective cavity 4, a controller 11 positioned on the right side of the dehumidification box 10 is fixedly connected in the protective cavity 4, the front side of the controller 11 is fixedly provided with a display panel and an operation button, a proximity sensor 12 positioned at the bottom of the dehumidification box 10 is fixedly connected in the protective cavity 4, the height of the blade 5 is larger than the distance between the proximity sensor 12 and the lantern ring 2, the proximity sensor 12 is electrically connected with the controller 11 through a signal, the top of the protective cover 3 is fixedly connected with an indicator light 15, and the buzzer 14 and the indicator light 15 are both electrically connected with the controller 11.

When the device is used, the blades 5 fixedly connected with the lantern ring 2 are driven to rotate through the rotation of the output shaft of the motor main body 1, the proximity sensors 12 are cut through the blades 5, pulse signals are generated by the proximity sensors 12, and further, rotating speed values are obtained according to the pulse signals, the automatic monitoring process of the rotating speed of the motor is realized, as the proximity sensors 12 are arranged in the protective cover 3, the proximity sensors 12 can be prevented from being collided and damaged in the moving process, meanwhile, the measuring results of the proximity sensors 12 can be reduced due to the influence of other factors, the dehumidifying box 10 can be arranged, the damage of moist gas to the proximity sensors 12 and the controller 11 can be reduced, the sealing groove 6, the maintenance hole 7, the maintenance door 8 and the sealing rubber strip 9 are arranged, a user can conveniently replace the proximity sensors 12 when the proximity sensors 12 are damaged, and meanwhile, rainwater can be prevented from entering the protective cover 4 to damage to the proximity, thereby achieving the purposes of convenient maintenance and good protection.

In conclusion, the motor with the rotating speed monitoring function drives the blades 5 fixedly connected with the lantern ring 2 to rotate through the rotation of the output shaft of the motor main body 1, the proximity sensors 12 are cut through the blades 5, the proximity sensors 12 generate pulse signals, and further, the rotating speed value is obtained according to the pulse signals, the automatic monitoring process of the rotating speed of the motor is realized, because the proximity sensors 12 are arranged in the protective cover 3, the proximity sensors 12 can be prevented from being collided and damaged in the moving process, meanwhile, the influence of other factors on the measuring result of the proximity sensors 12 can be reduced, the damage of moist gas to the proximity sensors 12 and the controller 11 can be reduced through arranging the dehumidification box 10, the arrangement of the sealing groove 6, the maintenance hole 7, the maintenance door 8 and the sealing rubber strip 9 is convenient for a user to replace the proximity sensors 12 when the proximity sensors 12 are damaged, and simultaneously, the damage of rainwater to the proximity sensors 12 and the controller 11 when the motor is used can be, therefore, the purposes of convenient maintenance and good protection are achieved, and the problems that the motor rotating speed state can be continuously monitored only by disassembling equipment after the built-in element is damaged and the maintenance price is higher due to the fact that the existing motor rotating speed monitoring is generally carried out through the built-in element are effectively solved.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a motor with rotational speed monitoring function, includes motor main part (1), its characterized in that: the outer side of an output shaft of the motor body (1) is fixedly connected with a lantern ring (2), the top of the motor body (1) is fixedly provided with a protective cover (3), a protective cavity (4) is formed in the protective cover (3), the top of the lantern ring (2) is fixedly connected with a blade (5) which penetrates through the protective cover (3) and extends into the protective cavity (4), the front side of the protective cover (3) is provided with a sealing groove (6), the front side of the protective cover (3) is provided with a maintenance hole (7) which is positioned at the rear side of the sealing groove (6) and communicated with the protective cavity (4), the sealing groove (6) is rotatably connected with a maintenance door (8) which is positioned at the top of the maintenance hole (7), the top and the left side and the right side of the maintenance door (8) are both fixedly provided with sealing rubber strips (9), and the protective cavity (4) is slidably connected with a, fixedly connected with is located controller (11) on dehumidification box (10) right side in protection chamber (4), fixedly connected with is located proximity sensor (12) of dehumidification box (10) bottom in protection chamber (4), proximity sensor (12) pass through signal cable (13) and controller (11) electricity is connected, fixedly connected with is located bee calling organ (14) on controller (11) right side in protection chamber (4), protection casing (3) top fixedly connected with pilot lamp (15).

2. A motor having a rotation speed monitoring function according to claim 1, wherein: the distance between the lantern ring (2) and the left end face of the output shaft of the motor main body (1) is larger than five centimeters, and the protective cover (3) is provided with a through groove matched with the blades (5).

3. A motor having a rotation speed monitoring function according to claim 1, wherein: the maintenance hole (7) is communicated with the sealing groove (6), and the sectional area of the maintenance hole (7) is smaller than that of the sealing groove (6).

4. A motor having a rotation speed monitoring function according to claim 1, wherein: the cross sectional area of maintenance door (8) equals the cross sectional area of maintenance hole (7), the one end fixedly connected with hasp of protection casing (3) is kept away from in maintenance door (8), protection casing (3) front side fixed mounting have with the fixing base of hasp looks adaptation.

5. A motor having a rotation speed monitoring function according to claim 1, wherein: the inner fixed mounting of the protection cavity (4) is provided with a sliding rail matched with the dehumidification box (10), and the height of the blade (5) is larger than the distance between the proximity sensor (12) and the lantern ring (2).

6. A motor having a rotation speed monitoring function according to claim 1, wherein: the buzzer (14) and the indicator lamp (15) are electrically connected with the controller (11), and a display panel and an operation button are fixedly mounted on the front side of the controller (11).