CN213870409U

CN213870409U - Device for reducing starting current of fan of dust remover

Info

Publication number: CN213870409U
Application number: CN202022814367.0U
Authority: CN
Inventors: 赵金生; 李相甲; 徐辛辛
Original assignee: Xi'an Chunhui Industrial Group Co ltd
Current assignee: Xi'an Chunhui Industrial Group Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-08-03
Anticipated expiration: 2030-11-27

Abstract

The utility model provides a reduce dust remover fan starting current's device, including centrifugal fan, time delay control box, solenoid valve and pneumatic mechanism, centrifugal fan's air intake department is equipped with the time delay control box, centrifugal fan's air outlet department is equipped with actuating mechanism, actuating mechanism includes drive arrangement, connecting device and butterfly valve, the inside of butterfly valve is equipped with the pivot, be equipped with the butterfly plate in the pivot, the one end of pivot is passed through connecting device with drive arrangement connects, the time delay control box passes through the solenoid valve with drive arrangement connects. Adopt the technical scheme of the utility model, through the opening time of delay control box control butterfly plate, can reduce centrifugal fan's start load, reduce centrifugal fan's starting current, avoid centrifugal fan's motor overload to damage, through opening of actuating mechanism control butterfly plate, can open the butterfly plate fast, no mechanical failure, centrifugal fan's operation is energy-conserving high-efficient more.

Description

Device for reducing starting current of fan of dust remover

Technical Field

The utility model belongs to the technical field of the energy-conserving technique of fan and specifically relates to a reduce dust remover fan starting current's device is related to.

Background

The power of the centrifugal fan of the dust remover is increased along with the increase of the flow, when the flow is zero, the running power of the centrifugal fan is minimum, after the rated rotating speed is reached, the air pressure at the outlet of the centrifugal fan is not continuously increased after reaching a certain value, theoretically, the output air volume of the centrifugal fan is quantitative after the centrifugal fan rotates for one circle. Therefore, if the air outlet is closed when the centrifugal fan is started, the air pressure at the air outlet is continuously increased, the equipment is easily damaged, the air outlet is opened, the output air volume of each week of the centrifugal fan is fixed, and overload of the motor cannot be caused. At present, most of domestic dust removing equipment manually controls the size of an air outlet valve, and the valve needs to be manually moved or an expensive electric butterfly valve is installed when the dust removing equipment is started or stopped every time, so that manpower and material resources are consumed, and the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reduce dust remover fan starting current's device reduces dust remover centrifugal fan's starting current, avoids centrifugal fan's motor overload damage, and the device simple structure need not to increase complicated circuit, and the reaction is sensitive, and the dependable performance has alleviateed personnel's intensity of labour, reduces the cost of dust remover.

The invention provides a device for reducing starting current of a fan of a dust remover, which comprises a centrifugal fan, a time delay control box, an electromagnetic valve and an executing mechanism, wherein the time delay control box is arranged at an air inlet of the centrifugal fan, the executing mechanism is arranged at an air outlet of the centrifugal fan, the executing mechanism comprises a driving device, a connecting device and a butterfly valve, a rotating shaft is arranged in the butterfly valve, a butterfly plate is arranged on the rotating shaft, one end of the rotating shaft is connected with the driving device through the connecting device, and the time delay control box is connected with the driving device through the electromagnetic valve.

Furthermore, the delay control box comprises a delay relay and a driving mechanism, the delay relay is respectively connected with the motor of the centrifugal fan and the driving mechanism, the driving mechanism is connected with the electromagnetic valve, the delay relay can accurately control the opening of the electromagnetic valve, and the electromagnetic valve is sensitive in response and reliable in performance.

Further, the driving device comprises a cylinder, and the cylinder is connected with the electromagnetic valve.

Further, connecting device includes Y type cylinder connects, short connecting rod, armature, long connecting rod and bent axle, Y type cylinder connects's top is equipped with armature, Y type cylinder connect through short connecting rod with armature is connected, armature's top is equipped with the bent axle, armature pass through long connecting rod with bent axle is connected.

Furthermore, the upper end of the long connecting rod is provided with a groove, a bearing is arranged in the groove and connected with one end of the crankshaft, and the crankshaft converts gas pressure into rotary power.

Furthermore, the other end of the crankshaft is connected with the rotating shaft through a coupler to drive the rotating shaft to rotate.

Furthermore, the butterfly plate is circular or rectangular, and the butterfly plate and the rotating shaft are both a plurality of.

Furthermore, the rotation angle of the butterfly plate is 0-90 degrees, and the flow of the air outlet is controlled.

Furthermore, a sealing part is arranged on the circumferential surface of the butterfly plate, and the sealing part is made of rubber, plastics or alloy and prevents air from leaking.

Furthermore, one side of the centrifugal fan is provided with an air outlet pipe, the other side of the centrifugal fan is provided with a dust suction pipe, and the centrifugal fan is connected with a dust collection box through the dust suction pipe and used for collecting dust in air.

Beneficial effects of the utility model

1. The utility model discloses a time delay relay control butterfly plate's opening time effectively reduces centrifugal fan's start load, reaches the purpose that reduces starting current.

2. The utility model discloses a solenoid valve control drive arrangement, and then the opening of control butterfly plate, the action is nimble, the reaction is sensitive, can be quick open the butterfly plate, no mechanical failure influences.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an actuator according to an embodiment of the present invention.

Description of reference numerals:

in the figure: 1-crankshaft, 2-electromagnetic valve, 3-long connecting rod, 4-armature, 5-short connecting rod, 6-Y type cylinder joint, 7-cylinder, 8-motor, 9-butterfly plate, 10-dust collection box, 11-centrifugal fan, 12-air outlet pipe, 13-time delay control box, 14-dust collection pipe and 15-rotating shaft.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1 and 2:

the utility model provides a reduce dust remover fan starting current's device, including centrifugal fan 11, delay control box 13, solenoid valve 2 and actuating mechanism, be equipped with motor 8 on the centrifugal fan 11, centrifugal fan 11's air inlet department is equipped with delay control box 13, delay control box 13 includes delay relay and actuating mechanism, delay relay's input is connected with motor 8, delay relay's output is connected with actuating mechanism, actuating mechanism is connected with solenoid valve 2, can set up delay relay's operating duration as required, centrifugal fan 11's air outlet department is equipped with actuating mechanism, actuating mechanism includes drive arrangement, connecting device and butterfly valve.

The connecting device comprises a crankshaft 1, a long connecting rod 3, an armature 4, a short connecting rod 5 and a Y-shaped cylinder joint 6, wherein the armature 4 is arranged above the Y-shaped cylinder joint 6 and is connected with the armature 4 through the short connecting rod 5, the crankshaft 1 is arranged above the armature 4 and is connected with the crankshaft 1 through the long connecting rod 3, a groove is arranged at the upper end of the long connecting rod 3, a bearing is arranged inside the groove, one end of the crankshaft 1 is rotatably connected with the long connecting rod 3 through the bearing to convert gas pressure into rotary power, a rotating shaft 15 is arranged inside the butterfly valve, a butterfly plate 9 is arranged on the rotating shaft 15, the other end of the crankshaft 1 is connected with the rotating shaft 15 through a coupler, the butterfly plate 9 is driven to rotate by driving the rotating shaft 15, the butterfly plate 9 is circular or rectangular, the rotating angle is 0-90 degrees, a sealing part is arranged on the circumferential surface of the butterfly plate 9 to prevent air from leaking from a gap when the butterfly plate 9 is closed, and the sealing part is made of rubber, The number of the plastic or alloy, the butterfly plate and the rotating shaft is multiple.

The driving device comprises a cylinder 7, the cylinder 7 is connected with an electromagnetic valve 2, a Y-shaped cylinder joint 6 is arranged above the cylinder 7, a driving mechanism of a delay control box 13 controls the cylinder 7 through the electromagnetic valve 2 so as to control the opening or closing of a butterfly plate 9, an air outlet pipe 12 is arranged on one side of a centrifugal fan 11, a dust suction pipe 14 is arranged on the other side of the centrifugal fan 11, the centrifugal fan 11 is connected with a dust collection box 10 through the dust suction pipe 14, and the dust collection box 10 is used for collecting dust in air and the like.

Before the fan was opened, set up delay relay's operating duration, when the fan was opened, motor 8 and delay relay started simultaneously, delay relay begins the timing according to the time that sets up, electricity machine 8 starts the completion, after the electric current descends, delay relay's normally open contact is closed, actuating mechanism control solenoid valve 2 starts, compressed air passes through solenoid valve 2 and promotes cylinder 7, the piston rod of cylinder 7 stretches out, promote Y type cylinder joint 6, Y type cylinder joint 6 promotes armature 4 through the short connecting rod 5 of connecting, armature 4 promotes bent axle 1 through the long connecting rod 3 of connecting, make bent axle 1 be rotary motion, bent axle 1 drives the butterfly plate 9 in the pivot 15 and opens, centrifugal fan normal operating.

Adopt the technical scheme of the utility model, device simple structure, reaction sensitivity, dependable performance can effectively reduce the starting current of fan, have very big promotion on economic nature. Through the opening time of delay relay control centrifugal fan air outlet department butterfly plate, can effectively reduce centrifugal fan's start load, reduce centrifugal fan's starting current, avoid centrifugal fan's motor overload damage, adopt opening of pneumatic mechanism control butterfly plate, the reaction is rapid, can open the butterfly plate fast, no mechanical failure influences, and centrifugal fan's operation is energy-conserving high-efficient more.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a reduce dust remover fan starting current's device which characterized in that: including centrifugal fan, time delay control box, solenoid valve and actuating mechanism, centrifugal fan's air inlet department is equipped with the time delay control box, centrifugal fan's air outlet department is equipped with actuating mechanism, actuating mechanism includes drive arrangement, connecting device and butterfly valve, the inside of butterfly valve is equipped with the pivot, be equipped with the butterfly plate in the pivot, the one end of pivot is passed through connecting device with drive arrangement connects, the time delay control box passes through the solenoid valve with drive arrangement connects.

2. The device for reducing the starting current of the fan of the dust remover according to claim 1, wherein: the time delay control box comprises a time delay relay and a driving mechanism, the time delay relay is respectively connected with the motor of the centrifugal fan and the driving mechanism, and the driving mechanism is connected with the electromagnetic valve.

3. The device for reducing the starting current of the fan of the dust remover according to claim 1, wherein: the driving device comprises an air cylinder, and the air cylinder is connected with the electromagnetic valve.

4. The device for reducing the starting current of the fan of the dust remover according to claim 1, wherein: the connecting device comprises a Y-shaped cylinder connector, a short connecting rod, an armature, a long connecting rod and a crankshaft, wherein the armature is arranged above the Y-shaped cylinder connector, the Y-shaped cylinder connector passes through the short connecting rod and is connected with the armature, the crankshaft is arranged above the armature, and the armature passes through the long connecting rod and is connected with the crankshaft.

5. The device for reducing the starting current of the fan of the dust collector as claimed in claim 4, wherein: the upper end of the long connecting rod is provided with a groove, a bearing is arranged in the groove, and the bearing is connected with one end of the crankshaft.

6. The device for reducing the starting current of the fan of the dust collector as claimed in claim 5, wherein: the other end of the crankshaft is connected with the rotating shaft through a coupler.

7. The device for reducing the starting current of the fan of the dust remover according to claim 1, wherein: the butterfly plate is circular or rectangle, the butterfly plate with the pivot is a plurality of.

8. The device for reducing the starting current of the fan of the dust remover according to claim 1, wherein: the rotation angle of the butterfly plate is 0-90 degrees.

9. The device for reducing the starting current of the fan of the dust remover according to claim 1, wherein: the sealing part is arranged on the circumferential surface of the butterfly plate and is made of rubber, plastics or alloy.

10. The device for reducing the starting current of the fan of the dust remover according to claim 1, wherein: and an air outlet pipe is arranged on one side of the centrifugal fan, a dust suction pipe is arranged on the other side of the centrifugal fan, and the centrifugal fan is connected with a dust collection box through the dust suction pipe.