CN214661011U

CN214661011U - Energy-saving monitoring device for fan

Info

Publication number: CN214661011U
Application number: CN202120985901.6U
Authority: CN
Inventors: 沈晓峰; 陈彩花
Original assignee: Suzhou Zhaohong Testing Technology Co ltd
Current assignee: Suzhou Zhaohong Testing Technology Co ltd
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-09
Anticipated expiration: 2031-05-10

Abstract

The utility model relates to a fan equipment technical field specifically is a fan energy-saving monitoring device, including driving motor, supporting fixed mounting has the controller on driving motor's the outer wall, driving motor's right side is connected with the inflator through the installed part, the right-hand member fixedly connected with air inlet pipe mouth of inflator, the front end of inflator is equipped with the mouth of pipe of giving vent to anger, the air cavity has been seted up to the inside of inflator, the inside of air cavity is equipped with the impeller group, the impeller group includes at least the driving shaft with driving motor output shaft coaxial coupling, be equipped with vibration sensor on the driving shaft, still be equipped with the arrestment mechanism that is used for slowing down on the impeller group. Through the vibration sensor and the pressure sensor that set up, the homoenergetic is monitored the corresponding parameter of fan in the use to the sensor that the cooperation set up and the relation of connection between the brake mechanism can come reasonable control impeller's operating condition according to the running condition of reality, improve the security in the fan use.

Description

Energy-saving monitoring device for fan

Technical Field

The utility model relates to a fan equipment technical field specifically is a fan energy-saving monitoring device.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a Chinese habit abbreviation for gas compression and gas conveying machinery, and the blower generally comprises a ventilator, a blower and a wind driven generator.

In the use process of the fan, in order to improve the use safety of the fan, the pressure at a bearing of the fan needs to be monitored in real time in the use process of the fan, the vibration of the bearing part is small when the fan starts to work, but dust in the fan can be unevenly attached to an impeller along with the increase of the running time, the dynamic balance of the fan is gradually damaged, the vibration of the bearing is gradually increased, once the vibration reaches the maximum value of 11mm/s allowed by the fan (the maximum allowed value expressed by an amplitude value is below), the fan needs to be stopped for repair, serious safety accidents can be caused seriously, and therefore, the fan energy-saving monitoring device is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-conserving monitoring devices of fan, because the fan just begins the vibration at during operation bearing position is very little to propose in solving above-mentioned background art, but along with the extension of running time, dust can inhomogeneous attached to on the impeller in the fan, destroy the dynamic balance of fan gradually, make the bearing vibration increase gradually, in case the vibration reaches when the maximum value 11mm/s that the fan allows (the maximum allowable value that expresses with the amplitude value is as follows), the fan must shut down and repair, if untimely clearance, can lead to fan impeller part direct damage, serious can lead to serious incident's problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fan energy-saving monitoring device, includes driving motor, supporting fixed mounting has the controller on driving motor's the outer wall, driving motor's right side is connected with the inflator through the installed part, the right-hand member fixedly connected with air inlet pipe mouth of pipe of inflator, the front end of inflator is equipped with the mouth of pipe of giving vent to anger, the air cavity has been seted up to the inside of inflator, the inside of air cavity is equipped with the impeller group, the impeller group at least includes the driving shaft with driving motor output shaft coaxial coupling, be equipped with vibration sensor on the driving shaft, still be equipped with the arrestment mechanism that is used for slowing down on the impeller group.

Preferably, one side of the mounting piece is fixedly connected with a mounting disc, and the mounting disc is fixedly connected with the outer wall of the air cylinder.

Preferably, the air inlet pipe opening is fixedly provided with a filter screen, and the filter screen is detachably connected with the air inlet pipe opening.

Preferably, the air inlet pipe orifice is communicated with the air outlet pipe orifice through an air cavity.

Preferably, the impeller set further comprises an impeller fixedly mounted on the driving shaft, and a friction disc is fixedly connected to the outer wall of the right end of the impeller.

Preferably, the brake mechanism comprises an arc-shaped block fixedly connected to the inner wall of the air cavity, a clamping cavity matched with the friction disc is formed in the arc-shaped block, and two groups of friction plates are arranged in positions, which are symmetrically arranged in the clamping cavity, on two sides of the friction disc.

Preferably, the friction plates are fixedly connected with fixed blocks, the middle parts of the two fixed blocks are connected through screws, and the screws are respectively in threaded connection with the fixed blocks.

Preferably, the driving motor is rotatably connected with the air cylinder through a bearing seat, a pressure sensor is arranged on one side of the lower end of the bearing seat, and the pressure sensor and the vibration sensor are connected in series to control the braking mechanism.

Compared with the prior art, the utility model discloses a vibration sensor and pressure sensor that set up, the homoenergetic is monitored the corresponding parameter of fan in the use to the sensor that the cooperation set up and the relation of connection between the arrestment mechanism, the operating condition who comes reasonable control impeller according to the operation conditions that are practical that can be corresponding improves the security in the fan use.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall explosion structure of the present invention;

FIG. 3 is a schematic view of the inner section of the inflator in front view;

fig. 4 is a schematic view of an explosive structure of the impeller assembly of the present invention;

FIG. 5 is a schematic view of the overall structure of the braking mechanism of the present invention;

the reference numbers in the figures illustrate: 1. a drive motor; 2. a controller; 3. a mounting member; 301. mounting a disc; 4. an air cylinder; 401. an air outlet pipe orifice; 402. an air cavity; 5. an air inlet pipe orifice; 501. a filter screen; 6. an impeller assembly; 601. a drive shaft; 602. an impeller; 603. a friction disk; 7. an arc-shaped block; 701. a clamping cavity; 8. a vibration sensor; 9. a bearing seat; 901. a pressure sensor; 10. a friction plate; 1001. a fixed block; 11. a screw.

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. 1-5, the present invention provides an embodiment:

the utility model provides a fan energy-saving monitoring device, including driving motor 1, supporting fixed mounting has controller 2 on driving motor 1's the outer wall, driving motor 1's right side is connected with inflator 4 through installed part 3, the right-hand member fixedly connected with air inlet pipe mouth 5 of inflator 4, the front end of inflator 4 is equipped with air outlet pipe mouth 401, air cavity 402 has been seted up to the inside of inflator 4, the inside of air cavity 402 is equipped with impeller group 6, impeller group 6 includes at least with driving motor 1 output shaft coaxial coupling's driving shaft 601, be equipped with vibration sensor 8 on the driving shaft 601, still be equipped with the arrestment mechanism that is used for slowing down on the impeller group 6.

According to the embodiment shown in fig. 2, the mounting member 3 is a hollow structure, which can ensure effective heat dissipation at the connection between the driving motor 1 and the air cylinder 4 during the use of the device, and it should be noted that the mounting member 3 is connected to the air cylinder 4 through the annular mounting plate 301, as shown in fig. 2, as an embodiment, the mounting member can be mounted by means of screw mounting, and also can be mounted by means of welding, or mounted by means of connection between a buckle and a clamping groove on one side of the mounting member 3 and the outer wall of the air cylinder 4, the mounting plate 301 is fixedly connected to one side of the mounting member 3, and the mounting plate 301 is connected and fixed to the outer wall of the air cylinder 4.

According to the attached drawings 1-2, the filter screen 501 is installed at the air inlet pipe opening 5 of the air cylinder 4, the purpose is that in the using process of the device, the air sucked through the air inlet pipe opening 5 can be filtered by the filter screen 501, so that the air in the air inlet cavity 402 can be ensured not to have impurities, the influence of dust and impurities attached to the impeller 602 on the use effect is reduced, the filter screen 501 is fixedly installed at the air inlet pipe opening 5, the filter screen 501 is detachably connected with the air inlet pipe opening 5, and the filter screen 501 can be conveniently replaced and cleaned through the detachable connection mode between the filter screen 501 and the air inlet pipe opening 5.

Through the relation that the mouth of pipe 5 that admits air that sets up passes through air cavity 402 and the mouth of pipe 401 intercommunication of giving vent to anger, can the effectual normal work who guarantees impeller group 6, and worth explaining, adopt mechanical seal's structure between driving shaft 601 and the air cavity 402 to this guarantees that the air that gets into from the mouth of pipe 5 that admits air can not spill from the junction, guarantees the conversion efficiency of fan.

According to the device shown in fig. 4, in use, an output shaft of the driving motor 1 can drive a driving shaft 601 arranged to rotate, so as to drive an impeller 602 fixedly connected to the driving shaft 601 to rotate, and can synchronously drive a friction disc 603 fixedly connected to the impeller 602 to rotate, the impeller group 6 further comprises an impeller 602 fixedly installed on the driving shaft 601, and the friction disc 603 is fixedly connected to the outer wall of the right end of the impeller 602;

it should be noted that, in the process of rotation of the driving shaft 601, the vibration sensor 8 sleeved on the upper portion of the driving shaft can acquire the vibration frequency of the driving shaft 601 in the use process of the device, and an a/D converter is arranged inside the device and can convert the acquired vibration analog signal into a digital signal which can be received by the controller 2, it should be noted that the controller 2 mentioned here may be a PLC, and a control program is burned inside the PLC, and the output end of the controller 2 can control the operating state of the driving motor 1.

According to the working principle of the braking mechanism shown in fig. 5, the screw 11 is rotated to drive the fixing blocks 1001 screwed on the screw 11 to move, and it is worth explaining that the thread directions of the two fixing blocks 1001 positioned on the same screw 11 are opposite, so that when the screw 11 rotates, the pressure between the friction disc 603 and the friction disc 10 can be increased or reduced, the braking mechanism comprises the arc-shaped block 7 fixedly connected to the inner wall of the air cavity 402, a clamping cavity 701 matched with the friction disc 603 is formed inside the arc-shaped block 7, and two groups of friction discs 10 are arranged at the positions on the two sides of the friction disc 603 in the clamping cavity 701 in a symmetrical structure.

According to the illustration in fig. 5, the friction plates 10 are all fixedly connected with fixing blocks 1001, the middle portions of the two fixing blocks 1001 are connected through screws 11, and the screws 11 are respectively in threaded connection with the fixing blocks 1001, it is worth explaining that two opposite threads are respectively formed on the screws 11, and the two fixing blocks 1001 are respectively in threaded connection with the opposite threads.

According to the illustration in fig. 5, the driving motor 1 is rotationally connected with the air cylinder 4 through the bearing seat 9, and the pressure sensor 901 is arranged on one side of the lower end of the bearing seat 9, the pressure sensor 901 and the vibration sensor 8 are connected in series to control the braking mechanism, and the rotating speed of the impeller 602 is controlled simultaneously through the serial connection of the pressure sensor 901 and the vibration sensor 8, which aims to timely make corresponding action when one of the sensors detects that the sensor does not accord with the set data, that is, the impeller 602 is slowed down through the arranged braking mechanism, the arranged pressure sensor 901 judges whether a large amount of dust is attached to the impeller 602 through sensing the pressure value on the bearing seat 9 during the use process to make corresponding action, and the arranged vibration sensor 8 also judges whether the vibration of the arranged driving shaft 601 exceeds a certain range during the work process, the impeller 602 can be decelerated to stop by the brake mechanism in time, and at the same time, when an abnormal value is detected by any one of the vibration sensor 8 and the pressure sensor 901, the drive motor 1 can be stopped by disconnecting the power supply from the controller 2.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a fan energy-saving monitoring device, includes driving motor (1), its characterized in that: the utility model discloses a pneumatic brake system, including driving motor (1), supporting fixed mounting has controller (2) on the outer wall of driving motor (1), the right side of driving motor (1) is connected with inflator (4) through installed part (3), the right-hand member fixedly connected with air inlet pipe mouth (5) of inflator (4), the front end of inflator (4) is equipped with air outlet pipe mouth (401), air cavity (402) have been seted up to the inside of inflator (4), the inside of air cavity (402) is equipped with impeller group (6), impeller group (6) include at least with driving motor (1) output shaft coaxial coupling's driving shaft (601), be equipped with vibration sensor (8) on driving shaft (601), still be equipped with the arrestment that is used for slow-speed on impeller group (6).

2. The fan energy-saving monitoring device according to claim 1, characterized in that: one side fixedly connected with mounting disc (301) of installed part (3), mounting disc (301) and inflator (4) outer wall connection are fixed.

3. The fan energy-saving monitoring device according to claim 1, characterized in that: air inlet pipe mouth (5) department fixed mounting has filter screen (501), just filter screen (501) can dismantle with air inlet pipe mouth (5) and be connected.

4. The fan energy-saving monitoring device according to claim 1, characterized in that: the air inlet pipe orifice (5) is communicated with the air outlet pipe orifice (401) through an air cavity (402).

5. The fan energy-saving monitoring device according to claim 1, characterized in that: the impeller set (6) further comprises an impeller (602) fixedly mounted on the driving shaft (601), and a friction disc (603) is fixedly connected to the outer wall of the right end of the impeller (602).

6. The fan energy-saving monitoring device according to claim 5, characterized in that: the brake mechanism comprises arc-shaped blocks (7) fixedly connected to the inner wall of the air cavity (402), clamping cavities (701) matched with the friction discs (603) are formed in the arc-shaped blocks (7), and two groups of friction discs (10) are arranged in the clamping cavities (701) at positions which are located on two sides of the friction discs (603) and are of symmetrical structures.

7. The fan energy-saving monitoring device according to claim 6, characterized in that: the friction plate (10) is fixedly connected with fixing blocks (1001), the middle parts of the two fixing blocks (1001) are connected through screws (11), and the screws (11) are respectively in threaded connection with the fixing blocks (1001).

8. The fan energy-saving monitoring device according to claim 1, characterized in that: the driving motor (1) is rotatably connected with the air cylinder (4) through a bearing seat (9), a pressure sensor (901) is arranged on one side of the lower end of the bearing seat (9), and the pressure sensor (901) and the vibration sensor (8) are connected in series to control the braking mechanism.