CN111441983B - Fan shaking degree monitoring system and monitoring method - Google Patents
Fan shaking degree monitoring system and monitoring method Download PDFInfo
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- CN111441983B CN111441983B CN202010395028.5A CN202010395028A CN111441983B CN 111441983 B CN111441983 B CN 111441983B CN 202010395028 A CN202010395028 A CN 202010395028A CN 111441983 B CN111441983 B CN 111441983B
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- sloshing
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012806 monitoring device Methods 0.000 claims abstract description 63
- 238000009434 installation Methods 0.000 claims description 12
- 230000000007 visual effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036561 sun exposure Effects 0.000 description 1
Classifications
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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
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a fan shaking degree monitoring system and a monitoring method, wherein a fan main motor is arranged at the top end of the inside of a fan body, a fan rotating shaft is connected with the fan main motor in a driving way, fan blades are connected with the lower part of the fan rotating shaft, and the system also comprises a shaking degree monitoring device body; t-shaped fixing grooves are symmetrically formed in the inner walls of the two sides of the fan body, T-shaped fixing blocks are fixedly connected to the outer walls of the two sides of the sloshing monitoring device body, and the T-shaped fixing blocks are clamped in the T-shaped fixing grooves; a group of internal thread fixed blocks which are symmetrically arranged are arranged on the top surface and the bottom surface of the sloshing degree monitoring device body, a thread rotary valve which is perpendicular to the internal thread fixed blocks is inserted into each internal thread fixed block, one end, close to a fan rotating shaft, of each thread rotary valve is provided with a rotating shaft limiting block, and each rotating shaft limiting block is embedded with a pressure sensor which is connected with a circuit of the sloshing degree monitoring device body. The invention can monitor the fan rotating shaft in real time when rotating, and has convenient assembly and disassembly and high usability.
Description
Technical Field
The invention relates to the technical field of fans, in particular to a fan monitoring system and method.
Background
The fan is a machine for increasing the pressure of gas and discharging the gas by means of input mechanical energy, and is used in many aspects, so that stable operation of the fan is important.
Most of the existing fan monitoring equipment is characterized in that a monitoring device is fixedly arranged inside a fan through a screw or a screw so as to monitor the fan, when the fan breaks down and needs to be maintained, the monitoring device is sometimes detached, but in the past, the screw or the screw is fixed, so that the traditional structure is inconvenient to detach, and the overall stability is poor. Meanwhile, part of fans are placed outdoors for a long time, so that the service lives of the fans and the monitoring device are easily shortened due to the fact that the fans are subjected to rain wash and sun exposure for a long time. Meanwhile, if the fan is not found and overhauled in time due to the shaking or offset and other problems in the operation process, a certain accident is easy to occur. The problems are all needed to be solved one by one.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, one of the purposes of the invention is to provide a fan shake monitoring system, and the other purpose of the invention is to provide a fan shake monitoring method.
The technical scheme is as follows: in order to solve the technical problems, the invention provides a fan shake monitoring system, which comprises a fan body, wherein a fan main motor is arranged at the top end of the inside of the fan body, a fan rotating shaft is connected with the fan main motor in a driving way, fan blades are fixedly connected to the lower part of the fan rotating shaft, and the system also comprises a shake monitoring device body positioned between the fan main motor and the fan blades; t-shaped fixing grooves are symmetrically formed in the inner walls of the two sides of the fan body, T-shaped fixing blocks are fixedly connected to the outer walls of the two sides of the sloshing degree monitoring device body, and the T-shaped fixing blocks are clamped in the T-shaped fixing grooves; the device is characterized in that a group of internal thread fixed blocks which are symmetrically arranged are arranged on the top surface and the bottom surface of the body of the shaking degree monitoring device, a thread rotating valve perpendicular to the internal thread fixed blocks is inserted into each internal thread fixed block, one end, close to a fan rotating shaft, of each thread rotating valve is provided with a rotating shaft limiting block, and each rotating shaft limiting block is embedded with a pressure sensor connected with a circuit of the body of the shaking degree monitoring device.
Preferably, a T-shaped hole groove is formed in the T-shaped fixing groove, and the T-shaped fixing block is a T-shaped structure fixing block matched with the T-shaped hole groove.
Preferably, the threaded rotary valve comprises a screw rod and a screwing end positioned at one end of the screw rod, and the other end of the screw rod is fixedly connected with the rotating shaft limiting block; the internal thread fixed block is provided with a through hole which is provided with internal threads and is used for the screw rod of the thread rotary valve to pass through.
Further preferably, one surface of the rotating shaft limiting block, which is close to the rotating shaft of the fan, is an arc-shaped curved surface matched with the outer wall of the rotating shaft of the fan, and a plurality of pressure sensors connected with the circuit of the body of the shaking degree monitoring device are embedded on the arc-shaped curved surface.
Preferably, two shielding shed fixing blocks which are distributed up and down are arranged on the outer walls of the two sides of the fan body, and shielding shed fixing rods which are vertical to the shielding shed fixing blocks are inserted into the shielding shed fixing blocks; the other end of each shielding shed fixing rod is fixedly connected with the fan shielding shed.
Further preferably, the shielding shed fixing block is provided with a first cavity for inserting a shielding shed fixing rod and a second cavity positioned on the outer side of the right side wall of the first cavity; the outer side wall of the shielding shed fixing rod is provided with a circular slotted hole, the right side wall of the first cavity is provided with a first through hole, and the right side wall of the second cavity is provided with a second through hole; the shielding shed fixing block is also provided with a shielding shed fixing clamping block, and a plurality of supporting springs are arranged in the second cavity; the shielding shed fixing clamping block comprises a fixing rod penetrating through the first through hole and the second through hole, a fixing end head positioned at one end of the fixing rod, and a fixing pushing piece fixed in the middle of the fixing rod and positioned in the second cavity, and the other end of the fixing rod is inserted into a circular slot hole on the outer side wall of the shielding shed fixing rod; one end of each supporting spring is connected with the right side wall of the second cavity, and the other end of each supporting spring is connected with the fixed pushing piece.
Preferably, the shaking degree monitoring device body is provided with a through hole which is vertically communicated and through which a rotating shaft of the air supply fan passes; each group of internal thread fixing blocks positioned on the top surface and the bottom surface of the shaking degree monitoring device body are symmetrically distributed by taking the axis of the fan rotating shaft as the center.
Preferably, the perforation is a circular perforation, and the diameter size of the perforation is larger than that of the fan rotating shaft 3.
The invention also provides a fan shake monitoring method, which uses any fan shake monitoring system as described above, and comprises the following steps:
configuring preset numbers and corresponding installation position information of each pressure sensor;
calculating and obtaining the swinging or shifting angle of the fan rotating shaft according to the data or signals of each pressure sensor monitored in real time and by combining the preset number and the installation position information of each pressure sensor;
when the swinging or shifting angle of the fan rotating shaft is larger than a first preset threshold value, sending out an audible and visual alarm signal;
and when the swinging or shifting angle of the fan rotating shaft is larger than a second preset threshold value, closing the fan main motor.
Preferably, the second preset threshold is higher than the first preset threshold.
The beneficial effects are that: compared with the prior art, the fan shaking monitoring system and the monitoring method provided by the invention can monitor in real time when the fan rotating shaft rotates, are convenient to install and detach, further can shield the fan body to protect the fan body and the shaking monitoring device body, are flexible and convenient to assemble and detach, are high in operability, and are easy to use:
(1) The system is characterized in that the system is used for placing the sloshing monitoring device body in the fan body, the sloshing monitoring device body is fixed on the fan body through the T-shaped fixing block inserted into the T-shaped fixing groove, and the installation and the disassembly are convenient.
(2) The rotating shaft limiting block is made to be close to the surface of the fan rotating shaft through the rotating thread rotating valve, real-time monitoring can be carried out when the fan rotating shaft rotates, once the fan rotating shaft shakes or deviates during working, the pressure sensor embedded on the rotating shaft limiting block is collided or extruded, corresponding signals are transmitted to the shaking degree monitoring device body, so that shaking degree monitoring is achieved, and the structure is reasonable;
(3) Further, the rotation shaft limiting blocks are distributed in an up-down and left-right symmetrical mode, so that the shake monitoring direction of the fan shake monitoring system is balanced, and the sensitivity is high.
(4) Further, the system can shelter from canopy fixed mounting in the outside of fan body to shelter from for the fan body and protect fan body and shake degree monitoring devices body, alleviate the erosion ageing problem that the windblown insolatees and bring, effectively increase of service life.
(5) Further, the fan shake monitoring system provided by the invention is ingenious in component structures such as the shielding shed fixing blocks for assembling the shielding shed fixing rods and the shielding shed fixing clamping blocks, and reasonable in cooperation among components, so that the shielding shed is flexible and convenient to assemble and disassemble, has higher usability, is strong in operability, and can be widely popularized and applied.
(6) According to the fan shaking degree monitoring method provided by the invention, according to the monitored signals of each pressure sensor, such as the numerical value and the change of each pressure sensor, the shaking or offset angle of the fan rotating shaft can be calculated in real time by combining the preset number and the actual installation position information of each pressure sensor; when the swinging or shifting angle of the rotating shaft of the fan exceeds a preset threshold, an audible and visual alarm signal is sent and/or the main motor of the fan is turned off, so that a better safety strategy is realized for the operation of the fan, and the daily work of the fan is safer and more reliable.
Drawings
FIG. 1 is a schematic cross-sectional elevation of an embodiment;
FIG. 2 is a schematic diagram of a front view of an embodiment;
FIG. 3 is a schematic view of the bottom of the structure of the embodiment;
fig. 4 is an enlarged schematic view of the structure at a in fig. 1.
In the figure: 1. a fan body; 2. fan blades; 3. a fan rotating shaft; 4. a fan main motor; 5. a power line; 6. t-shaped fixing groove; 7. t-shaped fixed blocks; 8. a sloshing degree monitoring device body; 9. an internal thread fixing block; 10. a threaded rotary valve; 11. a rotating shaft limiting block; 12. a shielding shed fixing block; 13. a shelter fixing rod; 14. a support spring; 15. the shielding shed is provided with a fixed clamping block; 16. the fan shields the shed; 17. fixing the pushing piece.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, which are not to be construed as limiting the invention.
As shown in fig. 1 to 4, the fan shake monitoring system provided in this embodiment includes a fan body 1, a power cord 5 is installed at the top end of the fan body 1, a fan main motor 4 is installed at the top end of the inside of the fan body 1, the fan main motor 4 is in driving connection with a fan rotating shaft 3, a fan blade 2 is fixedly connected to the lower part of the fan rotating shaft 3, and the fan shake monitoring system further includes a shake monitoring device body 8 located between the fan main motor 4 and the fan blade 2; t-shaped fixing grooves 6 are symmetrically formed in the inner walls of the two sides of the fan body 1, T-shaped fixing blocks 7 are fixedly connected to the outer walls of the two sides of the shaking degree monitoring device body 8, and the T-shaped fixing blocks 7 are clamped in the T-shaped fixing grooves 6. In this embodiment, a T-shaped hole slot is formed in the T-shaped fixing slot 6, and the T-shaped fixing block 7 is a T-shaped fixing block with a T-shaped structure matching with the T-shaped hole slot. T-shaped fixing block 7 and T-shaped fixing groove 6 constitute the block structure, and can fix the inside at fan body 1 with shaking degree monitoring devices body 8 through the inside at T-shaped fixing groove 6 with T-shaped fixing block 7 block.
In this embodiment, the sloshing monitoring device body 8 is provided with a through hole through which the fan rotating shaft 3 passes. The fan rotating shaft 3 can relatively rotate and is positioned in the perforation 3. In this embodiment, the through hole is a circular through hole, and its diameter size is larger than that of the fan rotating shaft 3. The fan rotating shaft 3 is positioned in the circular perforation and is not attached to the inner wall of the perforation. The shaking degree monitoring device body 8 is arranged in the through hole 3 in a relatively rotatable manner through the fan rotating shaft 3 and is positioned between the fan main motor 4 and the fan blades 2.
In this embodiment, a set of internal thread fixed blocks 9 that symmetry set up are all equipped with on the top surface and the bottom surface of shaking degree monitoring device body 8, and the inside of each internal thread fixed block 9 is inserted and is equipped with the screw thread rotary valve 10 rather than vertically, and pivot stopper 11 has all been installed to the one end that each screw thread rotary valve 10 is close to fan pivot 3, all inlays on each pivot stopper 11 and is equipped with the pressure sensor with shaking degree monitoring device body 8 circuit connection.
In this embodiment, specifically, the threaded rotary valve 10 includes a screw and a screwing end located at one end of the screw, and the other end of the screw is fixedly connected with the rotating shaft limiting block 11; the internal thread fixed block 9 is provided with a through hole with internal threads for the screw of the thread rotary valve 10 to pass through. That is, the inner part of the internal thread fixed block 9 and the surface of the thread rotary valve 10 form a spiral rotary structure, and the rotary shaft limiting block 11 can be moved left and right by the rotation of the thread rotary valve 10 so as to be close to or far from the fan rotary shaft 3.
Meanwhile, in this embodiment, each group of internal thread fixing blocks 9 located on the top surface and the bottom surface of the sloshing monitoring device body 8 are symmetrically distributed or circumferentially distributed with the axis of the fan rotating shaft 3 as the center. In this embodiment, each group has two internal thread fixing blocks, and the two internal thread fixing blocks are symmetrically distributed with the axis of the fan rotating shaft as the center. In some embodiments, each set has more than three internally threaded fixing blocks that are circumferentially distributed about the axis of the fan shaft. The internal thread fixed blocks positioned on the top surface and the internal thread fixed blocks positioned on the bottom surface are also symmetrically distributed up and down in a horizontal plane perpendicular to the axis of the fan rotating shaft. At the moment, the rotating shaft limiting blocks are distributed symmetrically up, down, left and right, so that the shaking degree monitoring direction of the fan shaking degree monitoring system is balanced, and the sensitivity is high.
In some preferred embodiments, the sloshing degree monitoring device body 8 is provided with a notch which penetrates up and down, the cross section of the sloshing degree monitoring device body is in a shape of a major arc bow, the notch is positioned at the center of the cross section of the major arc bow, an opening of the notch on the cross section is positioned at the chord of the major arc bow, and the size of the notch is larger than that of the fan rotating shaft 3. The fan rotating shaft 3 is positioned at the notch and is close to the inner wall of the notch. The top surface and the bottom surface of the sloshing degree monitoring device body 8 are also a major arc bow-shaped top surface and a major arc bow-shaped bottom surface respectively, so that each internal thread fixing block is arranged, and each group of internal thread fixing blocks (each group of two internal thread fixing blocks in the embodiment) is symmetrically distributed by taking the axis of the fan rotating shaft as the center. Under this structure, the degree of shaking monitoring devices body 8 can remove from one side of fan pivot 3, and need not wear to establish from top to bottom, and it is more convenient to dismantle the installation.
In this embodiment, the side of the rotation shaft limiting block 11, which is close to the fan rotation shaft 3, is close to the fan rotation shaft 3. That is, a certain gap is reserved between the side surface of the rotating shaft limiting block 11, which is close to the fan rotating shaft 3, and the outer wall of the fan rotating shaft 3. The structure capable of relatively rotating is formed between the fan rotating shaft 3 and each rotating shaft limiting block 11, so that on one hand, when the fan rotating shaft 3 is offset, swaying and the like in the rotating process, a part of pressure sensors embedded on the rotating shaft limiting blocks are collided or extruded to timely transmit corresponding signals to the swaying degree monitoring device body to realize swaying degree monitoring, namely, the offset, swaying and the like of the fan rotating shaft 3 in the rotating process can be timely monitored by the swaying degree monitoring device body 8; on the other hand, the fan rotating shaft 3 can be limited through the rotating shaft limiting blocks 11, so that the possibility of larger shaking and deviation is effectively reduced, and the safety performance is effectively improved.
In this embodiment, the system further includes a controller (not shown) disposed in the body of the sloshing monitoring device, and each of the pressure sensors is electrically connected to the controller. In some embodiments, the system further comprises an audible and visual alarm arranged on the outer side wall of the fan body 1, and the audible and visual alarm is also connected with the controller circuit. The system also comprises a shaking degree monitoring device, namely a shaking degree monitoring device corresponding to the shaking degree monitoring device body. The device for monitoring the degree of shaking comprises a body of the device for monitoring the degree of shaking, a controller arranged in the body of the device for monitoring the degree of shaking, and pressure sensors connected with a circuit of the controller. In some embodiments, the device for monitoring the degree of shaking further comprises an audible and visual alarm which is connected with the controller circuit and is positioned on the outer side wall of the fan body 1. The controller is a control chip, and can be a CPU or MCU or a singlechip or a microcontroller or a microprocessor, etc., for example, a stm32 series chip is specifically adopted, and other chips can be adopted as required. The fan sloshing monitoring system described herein may also be referred to as a fan sloshing monitoring device, and may also be referred to as a fan with a sloshing monitoring device or a fan system with a sloshing monitoring device. In this scheme, the sloshing monitoring device body may also be referred to as a monitoring device body. In this scheme, the sloshing monitoring device may also be referred to as a monitoring device.
In some embodiments, each of the pressure sensors and the fan main motor 4 are connected to a controller circuit. Under such structure and construction, can control the start and stop of fan main motor according to the skew that the fan pivot that monitors takes place, rock etc. to in time close the fan and stop rotating, realized better security policy, the security performance is higher.
In some preferred embodiments, the surface of the rotating shaft limiting block 11, which is close to the fan rotating shaft 3, is an arc-shaped curved surface matched with the outer wall of the fan rotating shaft 3, and a plurality of pressure sensors connected with the circuit of the sloshing monitoring device body 8 are uniformly embedded on the arc-shaped curved surface. Under this structure, can obtain a plurality of monitoring positions that are better more comprehensive more balanced to further promote sensitivity and the accuracy of fan shake monitoring.
As shown in fig. 1, 2 and 3, two shielding canopy fixing blocks 12 distributed up and down are arranged on the outer walls of two sides of the fan body 1, and shielding canopy fixing rods 13 perpendicular to the shielding canopy fixing blocks 12 are inserted into the shielding canopy fixing blocks 12; the other end of each shielding canopy fixing rod 13 is fixedly connected with a fan shielding canopy 16. The inside of shielding canopy fixed block 12 and the surface of shielding canopy fixed fixture block 15 constitute sliding type structure, can make shielding canopy fixed fixture block 15 slide in shielding canopy fixed block 12's inside. In this embodiment, the inside of shielding canopy fixing rod 13 and one side of shielding canopy fixing fixture block 15 near the center position of fan body 1 form a clamping structure, and fan shielding canopy 16 can be fixed by shielding canopy fixing rod 13. In certain preferred embodiments, the blower shield 16 is sized to be larger than the corresponding sides of the blower body 1 for better shielding.
In some preferred embodiments, as shown in fig. 4, the shelter fixing block 12 is provided with a first cavity for inserting the shelter fixing rod 13, and a second cavity located outside the right side wall of the first cavity; the circular slotted hole is formed in the outer side wall of the shielding shed fixing rod 13, the first through hole is formed in the right side wall of the first cavity, and the second through hole is formed in the right side wall of the second cavity. The circular slotted hole on the outer side wall of the shielding shed fixing rod 13 is aligned with the first through hole and the second through hole. In this embodiment, the circular slot, the first through hole and the second through hole have the same aperture, and the centers of the three are all located on the same straight line. The shielding shed fixing block 12 is also provided with a shielding shed fixing clamping block 15, and a plurality of supporting springs are arranged in the second cavity; the shielding shed fixing clamping block 15 comprises a fixing rod penetrating through the first through hole and the second through hole, a fixing end head positioned at one end of the fixing rod, and a fixing pushing piece 17 fixed in the middle of the fixing rod and positioned in the second cavity, and the other end of the fixing rod is inserted into a circular slot hole on the outer side wall of the shielding shed fixing rod 13; one end of each supporting spring is connected with the right side wall of the second cavity, and the other end of each supporting spring is connected with the fixed push piece 17.
Taking the fan shake monitoring system provided in this embodiment as an example, the working process and principle are described as follows: when the device is used, when the shaking degree monitoring device body 8 is required to be installed in the fan body 1, the fan rotating shaft 3 is aligned with the perforation of the shaking degree monitoring device body 8, the shaking degree monitoring device body 8 is sleeved outside the fan rotating shaft 3 from bottom to top, then the T-shaped fixing blocks 7 on the outer walls of the two sides of the shaking degree monitoring device body 8 are rotated/clamped into the T-shaped fixing grooves 6 on the inner walls of the two sides of the fan body 1, so that the shaking degree monitoring device body 8 is fixed in the fan body 1, and then each rotating shaft limiting block 11 is close to the outer surface of the fan rotating shaft 3 through rotating/adjusting each threaded rotating valve 10, so that the fan rotating shaft 3 can be monitored in real time when rotating, and then the fan blades 2 positioned at the lower part are installed; when the shake degree monitoring device body 8 needs to be detached from the inside of the fan body 1, the fan blade 2 is detached, then the rotation valve 10 is rotated/adjusted to enable the rotation shaft limiting blocks 11 to be far away from the outer surface of the fan rotation shaft 3, then the T-shaped fixing block 7 is rotated out/taken out from the inside of the T-shaped fixing groove 6, then the shake degree monitoring device body 8 is moved to the lower portion from the middle portion of the fan rotation shaft 3 to be taken out, and finally the shake degree monitoring device body 8 is detached from the inside of the fan body 1.
When all parts of the fan shake monitoring system are installed to operate, once the fan rotating shaft 3 is offset, shakes and the like in the rotating process, part of pressure sensors embedded on the rotating shaft limiting block can be collided or extruded by the fan rotating shaft 3, corresponding pressure sensors can timely transmit corresponding signals to the shake monitoring device body to realize shake monitoring, and even an alarm is given out and/or a fan main motor is closed, so that the fan shake monitoring system is safe and reliable. Meanwhile, the fan rotating shaft 3 can be limited by the rotating shaft limiting blocks 11 which are positioned outside the fan rotating shaft 3 and close to the fan rotating shaft, so that the possibility of larger shaking and deviation of the fan rotating shaft 3 is effectively reduced, and the safety coefficient is higher.
Meanwhile, when the fan shielding shed is required to be installed, the fixed end of the shielding shed fixing clamping block 15 is firstly held to be pulled outwards, then the shielding shed fixing rod 13 is inserted into the first cavity of the shielding shed fixing block 12, the circular slotted hole on the outer side wall of the shielding shed fixing rod 13 is aligned with the first through hole, then the fixed end of the shielding shed fixing clamping block 15 is loosened, under the action of resilience force of each supporting spring positioned in the second cavity, the supporting springs push the fixing push plate 17, so that the fixing rod of the shielding shed fixing clamping block 15 is indirectly pushed to move inwards, the other end of the fixing rod penetrates through the first through hole and is inserted into the circular slotted hole on the outer side wall of the shielding shed fixing rod 13, the installation of the shielding shed fixing rod 13 is flexibly and conveniently realized, and after the shielding shed fixing rods 13 are installed, the fan shielding shed is installed on the shielding shed fixing rods 13. When dismantling, on the contrary, the fixed end of shielding canopy fixed fixture block 15 is directly outwards pulled for the dead lever of shielding canopy fixed fixture block 15 moves to the outside, makes the other end of this dead lever leave the circular slotted hole on shielding canopy dead lever 13 lateral wall, then will shelter from canopy dead lever 13 and take out from shielding canopy fixed block 12's first cavity, then has accomplished the dismantlement of shielding canopy dead lever 13, and is very convenient and easy to operate.
Meanwhile, the embodiment provides a fan shake monitoring method, which uses any fan shake monitoring system as described above, and the method comprises the following steps:
configuring preset numbers and corresponding installation position information of each pressure sensor;
calculating and obtaining the swinging or shifting angle of the fan rotating shaft according to the data or signals of each pressure sensor monitored in real time and by combining the preset number and the installation position information of each pressure sensor;
when the swinging or shifting angle of the fan rotating shaft is larger than a first preset threshold value, sending out an audible and visual alarm signal;
and when the swinging or shifting angle of the fan rotating shaft is larger than a second preset threshold value, closing the fan main motor.
That is, in this embodiment, each pressure sensor is configured with a preset number and corresponding installation position information. The controller in the body of the shaking degree monitoring device calculates the shaking or offset angle of the fan rotating shaft in real time according to the monitored signals of each pressure sensor such as the numerical value and the change of each pressure sensor and by combining the preset number and the actual installation position information of each pressure sensor; if the swinging or shifting angle of the fan rotating shaft exceeds a first preset threshold, an audible and visual alarm signal is sent, and if the swinging or shifting angle of the fan rotating shaft further exceeds a second preset threshold, the fan main motor is turned off through the controller. The first preset threshold and the second preset threshold can be flexibly set according to actual application scenes. The method realizes a better safety strategy for the operation of the fan, so that the daily work of the fan is safer and more reliable.
The above is only a preferred embodiment of the present invention, and it should be noted that the above embodiments do not limit the present invention, and various changes, equivalent substitutions and modifications can be made by the related workers without departing from the scope of the technical idea of the present invention, and all fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a fan shakes degree monitoring system, includes fan body (1), its characterized in that: the intelligent fan comprises a fan body (1), and is characterized in that a fan main motor (4) is arranged at the top end of the inside of the fan body (1), a fan rotating shaft (3) is connected with the fan main motor (4) in a driving mode, fan blades (2) are fixedly connected to the lower portion of the fan rotating shaft (3), and a shaking degree monitoring device body (8) located between the fan main motor (4) and the fan blades (2) is further included in the system; t-shaped fixing grooves (6) are symmetrically formed in the inner walls of the two sides of the fan body (1), T-shaped fixing blocks (7) are fixedly connected to the outer walls of the two sides of the shaking degree monitoring device body (8), and the T-shaped fixing blocks (7) are clamped in the T-shaped fixing grooves (6); a group of internal thread fixed blocks (9) which are symmetrically arranged are arranged on the top surface and the bottom surface of the shaking degree monitoring device body (8), a thread rotary valve (10) perpendicular to the internal thread fixed blocks is inserted into each internal thread fixed block (9), one end, close to a fan rotating shaft (3), of each thread rotary valve (10) is provided with a rotating shaft limiting block (11), and each rotating shaft limiting block (11) is embedded with a pressure sensor which is connected with a shaking degree monitoring device body (8) through a circuit.
2. The fan sloshing monitoring system of claim 1 wherein: t-shaped hole grooves are formed in the T-shaped fixing grooves (6), and the T-shaped fixing blocks (7) are T-shaped structure fixing blocks matched with the T-shaped hole grooves.
3. The fan sloshing monitoring system of claim 1 wherein: the threaded rotary valve (10) comprises a screw rod and a screwing end positioned at one end of the screw rod, and the other end of the screw rod is fixedly connected with the rotating shaft limiting block (11); the internal thread fixed block (9) is provided with a through hole which is provided with internal threads and is used for the screw rod of the thread rotary valve (10) to pass through.
4. The fan sloshing monitoring system of claim 1 wherein: one surface of the rotating shaft limiting block (11) close to the fan rotating shaft (3) is an arc-shaped curved surface matched with the outer wall of the fan rotating shaft (3), and a plurality of pressure sensors connected with the circuit of the shaking degree monitoring device body (8) are embedded on the arc-shaped curved surface.
5. The fan sloshing monitoring system of claim 1 wherein: two shielding shed fixing blocks (12) which are distributed up and down are arranged on the outer walls of the two sides of the fan body (1), and shielding shed fixing rods (13) which are perpendicular to the shielding shed fixing blocks are inserted into the shielding shed fixing blocks (12); the other end of each shielding shed fixing rod (13) is fixedly connected with a fan shielding shed (16).
6. The fan sloshing monitoring system of claim 5 wherein: the shielding shed fixing block (12) is provided with a first cavity for inserting a shielding shed fixing rod (13) and a second cavity positioned on the outer side of the right side wall of the first cavity; a circular slotted hole is formed in the outer side wall of the shielding shed fixing rod (13), a first through hole is formed in the right side wall of the first cavity, and a second through hole is formed in the right side wall of the second cavity; the shielding shed fixing block (12) is also provided with a shielding shed fixing clamping block (15), and a plurality of supporting springs are arranged in the second cavity; the shielding shed fixing clamping block (15) comprises a fixing rod penetrating through the first through hole and the second through hole, a fixing end head positioned at one end of the fixing rod, and a fixing pushing piece (17) fixed in the middle of the fixing rod and positioned in the second cavity, and the other end of the fixing rod is inserted into a circular slot hole in the outer side wall of the shielding shed fixing rod (13); one end of each supporting spring is connected with the right side wall of the second cavity, and the other end of each supporting spring is connected with the fixed pushing piece (17).
7. The fan sloshing monitoring system of claim 1 wherein: the shaking degree monitoring device body (8) is provided with a through hole which is penetrated up and down and through which the fan rotating shaft (3) passes; each group of internal thread fixed blocks (9) positioned on the top surface and the bottom surface of the shaking degree monitoring device body (8) are symmetrically distributed by taking the axis of the fan rotating shaft (3) as the center.
8. The fan sloshing monitoring system of claim 7 wherein: the perforated holes are round perforated holes, and the diameter size of the perforated holes is larger than that of the fan rotating shaft (3).
9. A fan shaking degree monitoring method is characterized in that: use of a fan sloshing monitoring system according to any of claims 1 to 8, the method comprising the steps of:
configuring preset numbers and corresponding installation position information of each pressure sensor;
calculating and obtaining the swinging or shifting angle of the fan rotating shaft according to the data or signals of each pressure sensor monitored in real time and by combining the preset number and the installation position information of each pressure sensor;
when the swinging or shifting angle of the fan rotating shaft is larger than a first preset threshold value, sending out an audible and visual alarm signal;
and when the swinging or shifting angle of the fan rotating shaft is larger than a second preset threshold value, closing the fan main motor.
10. The fan sloshing monitoring method of claim 9 wherein: the second preset threshold is higher than the first preset threshold.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102021203806A1 (en) * | 2021-04-16 | 2022-10-20 | Ziehl-Abegg Se | Method for monitoring the operation of a ventilator, device and ventilator |
| CN113062875B (en) * | 2021-04-27 | 2022-12-09 | 浙江逻森风机有限公司 | Prevent to rock centrifugal fan of striking |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195728A (en) * | 2013-03-22 | 2013-07-10 | 济钢集团有限公司 | Large-scale fan on-line monitoring and diagnosing system |
| CN104618172A (en) * | 2013-11-03 | 2015-05-13 | 西安扩力机电科技有限公司 | Draught fan remote testing system |
| CN204511937U (en) * | 2015-02-06 | 2015-07-29 | 沈阳大学 | A kind of dedusting fan state automated watch-keeping facility |
| WO2015200879A1 (en) * | 2014-06-27 | 2015-12-30 | Carefusion 303, Inc. | Ventilator system |
| CN105508273A (en) * | 2014-10-16 | 2016-04-20 | 西安扩力机电科技有限公司 | Remote testing method of fan |
| CN109342058A (en) * | 2018-10-19 | 2019-02-15 | 东莞理工学院 | A kind of Mechanical Manufacture System bearing operation frictional force real-time monitoring device |
| CN110067709A (en) * | 2019-05-23 | 2019-07-30 | 赛诺微滤科技（深圳）有限公司 | A kind of multi-functional on-line monitoring system of blower |
| CN110761826A (en) * | 2019-11-30 | 2020-02-07 | 扬州市慧宇科技有限公司 | Safe and reliable tunnel ventilation device with vibration detection function |
| CN212536197U (en) * | 2020-05-12 | 2021-02-12 | 顾郑强 | Fan oscillation degree monitoring device |
-
2020
- 2020-05-12 CN CN202010395028.5A patent/CN111441983B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195728A (en) * | 2013-03-22 | 2013-07-10 | 济钢集团有限公司 | Large-scale fan on-line monitoring and diagnosing system |
| CN104618172A (en) * | 2013-11-03 | 2015-05-13 | 西安扩力机电科技有限公司 | Draught fan remote testing system |
| WO2015200879A1 (en) * | 2014-06-27 | 2015-12-30 | Carefusion 303, Inc. | Ventilator system |
| CN105508273A (en) * | 2014-10-16 | 2016-04-20 | 西安扩力机电科技有限公司 | Remote testing method of fan |
| CN204511937U (en) * | 2015-02-06 | 2015-07-29 | 沈阳大学 | A kind of dedusting fan state automated watch-keeping facility |
| CN109342058A (en) * | 2018-10-19 | 2019-02-15 | 东莞理工学院 | A kind of Mechanical Manufacture System bearing operation frictional force real-time monitoring device |
| CN110067709A (en) * | 2019-05-23 | 2019-07-30 | 赛诺微滤科技（深圳）有限公司 | A kind of multi-functional on-line monitoring system of blower |
| CN110761826A (en) * | 2019-11-30 | 2020-02-07 | 扬州市慧宇科技有限公司 | Safe and reliable tunnel ventilation device with vibration detection function |
| CN212536197U (en) * | 2020-05-12 | 2021-02-12 | 顾郑强 | Fan oscillation degree monitoring device |
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