CN111536062A - Vibration reduction negative pressure box with simple fan installation and intelligent vibration reduction control method thereof - Google Patents

Vibration reduction negative pressure box with simple fan installation and intelligent vibration reduction control method thereof Download PDF

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Publication number
CN111536062A
CN111536062A CN202010386268.9A CN202010386268A CN111536062A CN 111536062 A CN111536062 A CN 111536062A CN 202010386268 A CN202010386268 A CN 202010386268A CN 111536062 A CN111536062 A CN 111536062A
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China
Prior art keywords
vibration reduction
negative pressure
vibration
module
fan
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Pending
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CN202010386268.9A
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Chinese (zh)
Inventor
高增梁
胡银杰
周水清
杨柯
周华欣
董豪炳
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Shengzhou Zhejiang University of Technology Innovation Research Institute
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Shengzhou Zhejiang University of Technology Innovation Research Institute
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Priority to CN202010386268.9A priority Critical patent/CN111536062A/en
Publication of CN111536062A publication Critical patent/CN111536062A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
    • F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

A vibration reduction negative pressure box with a simple fan and an intelligent vibration reduction control method thereof belong to the technical field of fan negative pressure boxes. The centrifugal fan is placed in the shell structure and is clamped and fixed through the two groups of vibration reduction modules, the outer ends of the two groups of vibration reduction modules are symmetrically and fixedly arranged on the inner side surface of the shell of the negative pressure box body, the vibration reduction modules are fixedly arranged on the bottom surface inside the shell of the negative pressure box body, and the upper parts of the vibration reduction modules are connected with the lower end of the centrifugal fan in a clamping manner; the vibration reduction device is arranged and linked with vibration detection, so that the effect of intelligently controlling vibration reduction is achieved; a transverse vibration damping structure is formed by utilizing a spring structure in the fixed module, and the effect of vibration damping in the transverse direction and the longitudinal direction is achieved by matching with a vibration damping device.

Description

Vibration reduction negative pressure box with simple fan installation and intelligent vibration reduction control method thereof
Technical Field
The invention belongs to the technical field of fan negative pressure boxes, and particularly relates to a vibration reduction negative pressure box with a fan simply installed and an intelligent vibration reduction control method thereof.
Background
The negative pressure refers to the absolute pressure of the wind flow is smaller than the absolute pressure at the same elevation outside the box, and the relative pressure is a negative value; a motor in the negative pressure box of the integrated stove drives an impeller in the volute to rotate at a high speed, and negative pressure is formed in an air inlet area, so that the effect of sucking oil smoke is achieved;
at present, a fan and a negative pressure box are fixedly connected through bolts, and the negative pressure box used all year round is easy to accumulate oil layers, so that the fan needs to be detached and cleaned or detached for maintenance and the like at regular intervals; the bolt with the oil layer is not easy to unscrew, and the bolt is easy to slip due to the long-term disassembly and assembly process; meanwhile, the fixing mode is inconvenient to operate in a negative pressure box with a narrow space; in addition, the fan produces the vibration at the in-process of work, influences device job stabilization nature, causes mounting structure not hard up easily, produces the potential safety hazard.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a fan vibration reduction negative pressure box which has an intelligent vibration reduction effect while the installation is simplified and an intelligent vibration reduction control method thereof.
The invention provides the following technical scheme: the utility model provides a damping negative pressure tank of simple and easy installation fan, its characterized in that includes negative pressure tank body, centrifugal fan, fixed module and two sets of damping modules, the negative pressure tank body is shell structure, centrifugal fan places in shell structure and fixed through two sets of damping module centre grippings, and the outer end symmetry fixed mounting of two sets of damping modules is on negative pressure tank body casing medial surface, damping module fixed mounting is in the inside bottom surface of negative pressure tank body casing, and the upper portion of damping module is connected with centrifugal fan's lower extreme joint, forms the auxiliary stay to centrifugal fan.
The vibration reduction negative pressure box is characterized in that the centrifugal fan comprises a volute, an impeller arranged in the volute and a fixing sheet welded and installed on an air outlet section of the volute.
A damping negative pressure tank of simple and easy installation fan, its characterized in that fixed module includes fixed sleeve, fixes at rotation axis, connecting rod, articulated joint and the magnetic path at fixed sleeve both ends, fixed sleeve includes the shell, places two movable blocks, spring and fixed blocks inside the shell, two movable block symmetries set up the both sides of fixed block and are connected with the both ends of fixed block respectively through the spring, it has thick liquid to fill between movable block and the shell.
A damping negative pressure tank of simple and easy installation fan, its characterized in that the outer end of fixed block and the one end welded fastening of rotation axis, the connecting rod is L type structure, and the one end and the rotation axis of L type structure are articulated to be connected, and the other end passes through the articulated joint to be connected with the magnetic path is articulated, magnetic path and spiral case fixed connection, the magnetic path is cylindrical structure with the articulated end of articulated joint, is the cuboid structure with the link of spiral case.
The utility model provides a damping negative pressure tank of simple and easy installation fan, its characterized in that the damping module includes upper plate, hypoplastron and a plurality of rubber shock absorber, upper plate and hypoplastron are the cuboid structure, the middle part of upper plate is seted up with the rectangular hole that spiral case air-out section matches, is equipped with the card limit on the up end of upper plate, the hypoplastron passes through bolt and negative pressure tank body bottom plate fixed connection.
The vibration reduction negative pressure box is characterized in that the shape of the inner wall of the clamping edge is matched with the shape of the outer part of the fixing sheet, and the outer part of the clamping edge is wrapped by a silica gel ring.
The utility model provides a damping negative pressure tank of simple and easy installation fan, its characterized in that rubber shock absorber includes rubber circle and installs the small-size automatic inflation and deflation machine on hypoplastron up end, the rubber circle adopts scalable elasticity rubber materials, and the appearance is lantern ring form, and inside cavity sets up, the upper end of rubber circle is fixed at the lower terminal surface of upper plate, and the up end at small-size automatic inflation and deflation machine is fixed to the lower extreme, be linked together through the air vent between rubber circle and the small-size automatic inflation and deflation machine.
The vibration reduction negative pressure box with the simple fan installation is characterized in that the diameter D of the spring wire is 2-2.2mm, the middle warp D is 10-10.2mm, the pitch t is 2-2.2mm, and the number of effective turns n is 10-14.
The vibration reduction negative pressure box with the simple fan is characterized in that the diameter of the rubber ring is 20-22mm, and the height of the rubber ring is 30-32 mm; the height of the inflating device is 10-14mm, and the side length is 25-28 mm.
The intelligent vibration reduction control method for the vibration reduction negative pressure box with the simple fan installation is characterized in that the intelligent vibration reduction control system comprises a vibration detection module, a signal acquisition module, an intelligent conversion module, an intelligent control center, an execution module, a pressure detection module and a pressure collection device which are arranged on a volute shell, a plurality of monitoring points are annularly distributed on the front side face and the rear side face of the volute, and the intelligent vibration reduction control method comprises the following steps:
1) the detection module collects vibration signals f (1), f (2), f (3) … f (m) of m vibration monitoring points and transmits the vibration signals f (x) to the signal collection module,
2) the acquisition module transmits the processed vibration signal T (f) to the intelligent conversion module, the vibration signal is converted into a pressure signal P (x) through the intelligent conversion module,
3) the pressure signal P (x) is transmitted to an intelligent control center system, and the system passes through the formula V = nRT/P(Total)Converting the volume of the gas to be filled, starting the inflating device to work,
4) the rubber rings J (1), J (2), J (3) … J (i) in the execution module are filled with corresponding volumes of gas;
5) the pressure detection module starts to work, the pressure in the i rubber rings is detected to be P (1), P (2), P (3) … P (i), and the detected pressure signals form a feedback signal B;
6) the feedback signal B is transmitted to a pressure collecting device, and the device forms a feedback pressure signal p (x) and transmits the feedback pressure signal p (x) to an intelligent control center;
7) the control center forms a feedback signal A with the vibration reduction effect and returns the feedback signal A to the signal acquisition module, and then vibration reduction work is carried out in a circulating mode.
By adopting the technology, compared with the prior art, the invention has the following beneficial effects:
1) the fan fixing device is provided with the fixing module, and the fan is stably fixed through the four rotating shafts with the high-magnetism magnetic blocks in the fixing module without bolt connection;
2) the vibration reduction device is arranged and is linked with the vibration detection, so that the effect of intelligently controlling vibration reduction is achieved;
3) the fixed module fixing sleeve is internally provided with a spring vibration damping structure, so that the fixed module forms transverse vibration damping and is matched with a vibration damping device to achieve the effect of vibration damping in both transverse and longitudinal directions.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention after installation;
FIG. 2 is a schematic view of the internal structure of the present invention before installation;
FIG. 3 is a schematic view of the volute configuration of the present invention;
FIG. 4 is a diagram of the vibration monitoring point arrangement of the present invention;
FIG. 5 is a schematic view of a single-sided rotating stationary shaft according to the present invention;
FIG. 6 is a schematic view of a stationary mold block construction according to the present invention;
FIG. 7 is a schematic cross-sectional view of a mounting module of the present invention;
FIG. 8 is a spring sizing diagram of the present invention;
FIG. 9 is a schematic structural view of the damping device of the present invention;
FIG. 10 is a schematic view of the rubber damper of the present invention;
fig. 11 is a diagram of the combined vibration and damping operation of the present invention.
In the figure: 1. a negative pressure tank body; 2. a centrifugal fan; 21. a volute; 22. an impeller; 23. a fixing sheet; 3. a fixed module; 31. fixing the sleeve; 311. a movable block; 312. a spring; 313. a fixed block; 314. a viscous liquid; 315. a housing; 32. a rotating shaft; 33. a connecting rod; 34. a hinge joint; 35. a magnetic block; 4. a vibration reduction module; 41. an upper plate; 42. a lower plate; 43. edge clamping; 44. a rubber vibration damper; 441. a rubber ring; 442. a small automatic inflation and deflation machine; 443. and (4) a vent hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.
Please refer to fig. 1-2, a vibration reduction negative pressure tank for simply installing a fan comprises a negative pressure tank body 1, a centrifugal fan 2, a fixing module 3 and two sets of vibration reduction modules 4, wherein the negative pressure tank body 1 is of a shell structure, the centrifugal fan 2 is placed in the shell structure and is clamped and fixed by the two sets of vibration reduction modules 4, the outer ends of the two sets of vibration reduction modules 4 are symmetrically and fixedly installed on the inner side surface of the shell of the negative pressure tank body 1, the vibration reduction modules 4 are fixedly installed on the bottom surface inside the shell of the negative pressure tank body 1, and the upper part of the vibration reduction modules 4 is connected with the lower end of the centrifugal fan 2 in a clamping manner to form an.
Referring to fig. 3-4, the centrifugal fan 2 includes a volute 21, an impeller 22 disposed inside the volute 21, and a fixing plate 23 welded to an air outlet section of the volute 21.
Referring to fig. 5 to 7, the fixed module 3 includes a fixed sleeve 31, a rotating shaft 32 fixed at two ends of the fixed sleeve 31, a connecting rod 33, an articulated joint 34 and a magnet 35, the fixed sleeve 31 includes a housing 315, two movable blocks 311 disposed inside the housing 315, a spring 312 and a fixed block 313, the two movable blocks 311 are symmetrically disposed at two sides of the fixed block 313 and are respectively connected to two ends of the fixed block 313 through the spring 312, and a viscous liquid 314 is filled between the movable blocks 311 and the housing 315.
The outer end of fixed block 313 and the one end welded fastening of rotation axis 32, connecting rod 33 is L type structure, and the one end and the rotation axis 32 of L type structure are articulated to be connected, and the other end passes through articulated joint 34 to be articulated with magnetic path 35 to be connected, magnetic path 35 and spiral case 21 fixed connection, the magnetic path 35 is cylindrical structure with the articulated end of articulated joint 34, is the cuboid structure with the link of spiral case 21.
Referring to fig. 8-10, the vibration damping module 4 includes an upper plate 41, a lower plate 42 and a rubber vibration damper 44, the upper plate 41 and the lower plate 42 are both rectangular structures, a rectangular hole matched with the air outlet section of the volute 21 is formed in the middle of the upper plate 41, a clamping edge 43 is arranged on the upper end surface of the upper plate 41, the lower plate 42 is a hollow structure, and the lower plate 42 is fixedly connected with the bottom plate of the negative pressure tank body 1 through a bolt; the inner wall shape of card limit 43 and stationary blade 23 outside shape phase-match, the outside parcel of card limit 43 has the silica gel circle.
The rubber damper 44 comprises a rubber ring 441 and a small automatic inflation/deflation machine 442, the rubber ring 441 is made of telescopic elastic rubber material, the shape of the rubber ring is a lantern ring, the rubber ring is arranged in a hollow manner, and the rubber ring 441 is fixed between the upper plate 41 and the lower plate 42; the bottom of the lower plate 42 is provided with a mounting groove, the small automatic inflation and deflation machine 442 is fixedly mounted in the mounting groove at the bottom of the lower plate 42, and the rubber ring 441 is connected with the small automatic inflation and deflation machine 442 through a vent 443.
Wherein the diameter D of the spring 312 wire is 2-2.2mm, the middle warp D is 10-10.2mm, the pitch t is 2-2.2mm, and the number of effective turns n is 10-14; the diameter D of the rubber ring of the rubber shock absorber 44 is 20-22mm, and the height H is 30-32 mm; the height h of the inflating device is 10-14mm, and the side length is set to be 25-28 mm.
When the centrifugal fan 2 is fixed, the fixing sheet 23 of the air outlet section of the centrifugal fan 2 is closely matched with the rectangular empty groove structure formed by the clamping edge 43 on the vibration reduction module 4, the centrifugal fan 2 is fixed in an auxiliary manner, the connecting rods 33 on the fixing modules 3 on two sides are rotated, the positions of the magnetic blocks 35 are adjusted through the hinged joints 34, and the centrifugal fan 2 is fixed by the high-magnetism magnetic blocks 35 on two sides.
In the running process of the fan, the rubber ring 441 for vertical vibration reduction on the bottom vibration reduction module 4 and the spring 312 which is transversely fixed between the movable block 311 and the fixed block 313 on the fixed module 3 are utilized to realize the transverse and vertical vibration reduction.
Referring to fig. 11, a vibration reduction negative pressure tank intelligent vibration reduction control method for simply installing a fan, a control system of the intelligent vibration reduction control method comprises a vibration detection module, a signal acquisition module, an intelligent conversion module, an intelligent control center, an execution module, a pressure detection module and a pressure collection device which are arranged on a shell of a volute 21, a plurality of monitoring points are annularly distributed on the front side surface and the rear side surface of the volute 21, and the intelligent vibration reduction control method comprises the following steps:
1) the detection module collects vibration signals f (1), f (2), f (3) … f (12) of 12 vibration monitoring points and transmits the vibration signals f (x) to the signal collection module,
2) the acquisition module transmits the processed vibration signal T (f) to the intelligent conversion module, the vibration signal is converted into a pressure signal P (x) through the intelligent conversion module,
3) the pressure signal P (x) is transmitted to an intelligent control center system, and the system passes through the formula V = nRT/P(Total)Converting the volume of the gas to be filled, starting the inflating device to work,
4) rubber rings J (1), J (2), J (3) … J (8) in the execution module are filled with gas with corresponding volumes;
5) the pressure detection module starts to work, the pressures in the eight rubber rings are detected to be P (1), P (2) and P (3) … P (8), and the detected pressure signals form a feedback signal B;
6) the feedback signal B is transmitted to a pressure collecting device, and the device forms a feedback pressure signal p (x) and transmits the feedback pressure signal p (x) to an intelligent control center;
7) the control center forms a feedback signal A with the vibration reduction effect and returns the feedback signal A to the signal acquisition module, and then vibration reduction work is carried out in a circulating mode.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a damping negative pressure tank of simple and easy installation fan, its characterized in that includes negative pressure tank body (1), centrifugal fan (2), fixed module (3) and two sets of damping module (4), negative pressure tank body (1) is shell structure, centrifugal fan (2) are placed in shell structure and are fixed through two sets of damping module (4) centre gripping, and the outer end symmetry fixed mounting of two sets of damping module (4) is on negative pressure tank body (1) casing medial surface, damping module (4) fixed mounting is in the inside bottom surface of negative pressure tank body (1) casing, and the upper portion of damping module (4) is connected with the lower extreme joint of centrifugal fan (2), forms the auxiliary stay to centrifugal fan (2).
2. The vibration reduction negative pressure tank for the simple installation of the fan is characterized in that the centrifugal fan (2) comprises a volute (21), an impeller (22) arranged inside the volute (21) and a fixing sheet (23) welded and installed at an air outlet section of the volute (21).
3. The vibration reduction negative pressure tank of simple installation fan of claim 1, characterized in that fixed module (3) includes fixed sleeve pipe (31), fixes at rotation axis (32), connecting rod (33), articulated joint (34) and magnetic block (35) at fixed sleeve pipe (31) both ends, fixed sleeve pipe (31) include shell (315), place two movable block (311), spring (312) and fixed block (313) inside shell (315), two movable block (311) symmetry set up in the both sides of fixed block (313) and be connected with the both ends of fixed block (313) respectively through spring (312), it has viscous liquid (314) to fill between movable block (311) and shell (315).
4. The vibration reduction negative pressure tank of simple installation fan of claim 2 or 3, characterized in that the outer end of fixed block (313) and the one end welded fastening of rotation axis (32), connecting rod (33) are L type structure, and the one end and the rotation axis (32) of L type structure are articulated to be connected, and the other end passes through articulated joint (34) and is articulated to be connected with magnetic path (35), magnetic path (35) and spiral case (21) fixed connection, the articulated end of magnetic path (35) and articulated joint (34) is cylindrical structure, and the link with spiral case (21) is the cuboid structure.
5. The vibration reduction negative pressure box for the simple installation of the fan according to claim 1 is characterized in that the vibration reduction module (4) comprises an upper plate (41), a lower plate (42) and a plurality of rubber vibration absorbers (44), the upper plate (41) and the lower plate (42) are both of cuboid structures, a rectangular hole matched with the air outlet section of the volute (21) is formed in the middle of the upper plate (41), a clamping edge (43) is arranged on the upper end face of the upper plate (41), and the lower plate (42) is fixedly connected with the bottom plate of the negative pressure box body (1) through bolts.
6. The vibration reduction negative pressure tank for the simple installation of the fan as claimed in claim 2 or 5, wherein the shape of the inner wall of the clamping edge (43) is matched with the shape of the outer part of the fixing plate (23), and the outer part of the clamping edge (43) is wrapped with a silica gel ring.
7. The vibration reduction negative pressure tank with the simple fan installation function as claimed in claim 5, wherein the rubber vibration reducer (44) comprises a rubber ring (441) and a small automatic air inflation and deflation machine (442) installed on the upper end surface of the lower plate (42), the rubber ring (441) is made of a telescopic elastic rubber material, is in a ring shape in appearance, is hollow inside, is fixed on the lower end surface of the upper plate (41) at the upper end of the rubber ring (441), is fixed on the upper end surface of the small automatic air inflation and deflation machine (442) at the lower end of the rubber ring, and is communicated with the small automatic air inflation and deflation machine (442) through a vent hole (443).
8. The vibration reduction negative pressure tank for the simple installation of the fan as claimed in claim 3, wherein the diameter D of the wire of the spring (312) is 2-2.2mm, the middle warp D is 10-10.2mm, the pitch t is 2-2.2mm, and the effective number of turns n is 10-14.
9. The vibration reduction negative pressure tank for the simple installation of the fan as claimed in claim 7, wherein the diameter of the rubber ring (441) is 20-22mm, and the height is 30-32 mm; the height of the inflating device is 10-14mm, and the side length is 25-28 mm.
10. The intelligent vibration reduction control method for the vibration reduction negative pressure box with the simple fan installation is characterized in that a control system of the intelligent vibration reduction control method comprises a vibration detection module, a signal acquisition module, an intelligent conversion module, an intelligent control center, an execution module, a pressure detection module and a pressure collection device which are arranged on a shell of a volute (21), wherein a plurality of monitoring points are annularly distributed on the front side surface and the rear side surface of the volute (21), and the intelligent vibration reduction control method comprises the following steps:
1) the detection module collects vibration signals f (1), f (2), f (3) … f (m) of m vibration monitoring points and transmits the vibration signals f (x) to the signal collection module,
2) the acquisition module transmits the processed vibration signal T (f) to the intelligent conversion module, the vibration signal is converted into a pressure signal P (x) through the intelligent conversion module,
3) the pressure signal P (x) is transmitted to an intelligent control center system, and the system passes through the formula V = nRT/P(Total)Converting the volume of gas to be inflated, inflating devicesThe start-up of the operation is carried out,
4) the rubber rings J (1), J (2), J (3) … J (i) in the execution module are filled with corresponding volumes of gas;
5) the pressure detection module starts to work, the pressure in the i rubber rings is detected to be P (1), P (2), P (3) … P (i), and the detected pressure signals form a feedback signal B;
6) the feedback signal B is transmitted to a pressure collecting device, and the device forms a feedback pressure signal p (x) and transmits the feedback pressure signal p (x) to an intelligent control center;
7) the control center forms a feedback signal A with the vibration reduction effect and returns the feedback signal A to the signal acquisition module, and then vibration reduction work is carried out in a circulating mode.
CN202010386268.9A 2020-05-09 2020-05-09 Vibration reduction negative pressure box with simple fan installation and intelligent vibration reduction control method thereof Pending CN111536062A (en)

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Application Number Priority Date Filing Date Title
CN202010386268.9A CN111536062A (en) 2020-05-09 2020-05-09 Vibration reduction negative pressure box with simple fan installation and intelligent vibration reduction control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010386268.9A CN111536062A (en) 2020-05-09 2020-05-09 Vibration reduction negative pressure box with simple fan installation and intelligent vibration reduction control method thereof

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CN111536062A true CN111536062A (en) 2020-08-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610535A (en) * 2020-12-29 2021-04-06 华能江阴燃机热电有限责任公司 Fan fixing device with vibration reduction effect

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112610535A (en) * 2020-12-29 2021-04-06 华能江阴燃机热电有限责任公司 Fan fixing device with vibration reduction effect
CN112610535B (en) * 2020-12-29 2024-01-23 华能江阴燃机热电有限责任公司 Fan fixing device with vibration reduction effect

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