CN117231560A - Air suspension centrifugal blower air inlet door - Google Patents
Air suspension centrifugal blower air inlet door Download PDFInfo
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- CN117231560A CN117231560A CN202311511938.5A CN202311511938A CN117231560A CN 117231560 A CN117231560 A CN 117231560A CN 202311511938 A CN202311511938 A CN 202311511938A CN 117231560 A CN117231560 A CN 117231560A
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- 239000000725 suspension Substances 0.000 title claims abstract description 54
- 238000005192 partition Methods 0.000 claims abstract description 54
- 238000009423 ventilation Methods 0.000 claims abstract description 36
- 238000012423 maintenance Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 238000002955 isolation Methods 0.000 claims description 5
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The application discloses an air inlet door of an air suspension centrifugal blower, and relates to the field of blower air doors. The scheme is proposed below, and it includes the air door main part, the air door main part includes ventilation case, first fixed frame, second fixed frame and connecting cover, the air inlet fixed connection of ventilation case and air suspension centrifugal blower is passed through to the connecting cover, main window and reserve window offer on the ventilation case, just reserve window distributes in main window both sides, first fixed frame is fixed in main window, the fixed frame of second is fixed in reserve window. And calculating an air inlet value in the air door main body according to the air speed value, and adjusting the opening and closing angle of the partition door when the air inlet value of the main window cannot meet the requirement that the air suspension centrifugal blower works so as to compensate the air inlet value, ensure that the air suspension centrifugal blower works normally, and improve the utilization rate of the filter element in the main window without directly replacing the first fixed frame in the main window.
Description
Technical Field
The application relates to the field of air blower air doors, in particular to an air suspension centrifugal air blower air inlet door.
Background
An air suspension centrifugal blower, also called a magnetic suspension centrifugal blower, is a centrifugal blower using a magnetic suspension technology, and needs to be used in a cleaner environment to ensure the service life of the air suspension centrifugal blower, otherwise, more gas dust enters the air suspension centrifugal blower and gathers on an impeller, so that the blowing effect is reduced and even the impeller is damaged;
in this regard, an air door is installed at the air inlet of an air suspension centrifugal blower for filtering dust, for example, an air suspension centrifugal blower air inlet door disclosed in patent publication No. CN208885599U performs dust filtration by installing a filter screen on the air door, however, there is a problem of saturation of the filter screen, the filter screen needs to be stopped after saturation, although a standby blower can be added, this also increases the input cost, and saturation of the filter screen is gradual, but saturation of different positions of the filter screen is uneven, as saturation of the filter screen increases, air inlet of the air door decreases, normal operation of the blower is affected, the filter screen is replaced at the first time of decreasing air inlet, saturation of the filter screen is not full, a replacement period is short, and if not replaced, as the air inlet decreases until normal operation of the blower is affected, replacement is again effected, production is affected, and thus the period of replacing the filter screen is not good.
Disclosure of Invention
Object of the application
In view of the above, the present application provides an air inlet door of an air suspension centrifugal blower, so as to calculate an air inlet value in a main body of the air inlet door according to a wind speed to perform compensation air inlet, improve the utilization of a filter screen, and replace the filter screen without stopping.
(II) technical scheme
In order to achieve the technical purpose, the application provides an air inlet door of an air suspension centrifugal blower, which comprises:
the air door comprises an air door main body, wherein the air door main body comprises a ventilating box, a first fixing frame, a second fixing frame and a connecting cover, the ventilating box is fixedly connected with an air inlet of an air suspension centrifugal blower through the connecting cover, a main window and a standby window are arranged on the ventilating box, the standby window is distributed on two sides of the main window, the first fixing frame is fixed in the main window, and the second fixing frame is fixed in the standby window.
Preferably, the filter element is fixed in the first fixing frame and the second fixing frame, the filter element comprises a sealing frame, a first filter screen and a second filter screen for filtering dust are fixed in the sealing frame, honeycomb holes are uniformly and obliquely formed in the outer surfaces of the first filter screen and the second filter screen, and the honeycomb holes on the first filter screen and the honeycomb holes on the second filter screen are distributed in a staggered mode.
Preferably, both ends of the partition door are rotatably connected with fixing blocks, and the fixing blocks are fixed on the first fixing frame.
Preferably, an inner partition box of the isolation control assembly is fixed on the first fixed frame, the periphery of one end of the inner partition box far away from the first fixed frame is in sealing connection with the inner wall of the ventilation box, and a connecting pile for connecting the control assembly is fixed on the inner partition box.
Preferably, the control assembly comprises a connecting rod, the connecting rod is rotationally connected with the connecting pile, one end of the connecting rod is hinged with a connecting block connected with the partition door, the connecting block is fixedly connected with the partition door, the connecting block penetrates through the inner partition box and is in sliding connection with the inner partition box, the other end of the connecting rod is in sliding connection with a push-pull rod, and the push-pull rod is in sliding connection with the inner partition box.
Preferably, the control assembly further comprises a stepping motor, the stepping motor is fixed on the ventilation box, the angle acquisition module is installed on the stepping motor, the output end of the stepping motor penetrates through the ventilation box, a driving gear is fixed at the output end of the stepping motor, a rack is fixed on the push-pull rod, and the driving gear is meshed with the rack.
Preferably, a guide rod is slidably connected to the rack, and the guide rod is fixed on the first fixing frame.
Preferably, the control module calculates an air inlet value in the ventilation box according to the wind speed value, and a calculation formula of the air inlet value is as follows: q=f×min, where q is the air intake value, f is the wind speed value, and min is the unit time;
the method for judging whether to generate the compensation instruction comprises the following steps:
if the air inlet value is smaller than the preset air inlet threshold value, generating a compensation instruction;
if the air inlet value is greater than or equal to a preset air inlet threshold value, a compensation instruction is not generated;
preferably, the method for determining whether to generate the main window maintenance instruction comprises the following steps:
the angle acquisition module is an encoder and is used for acquiring the rotation stroke of the stepping motor and acquiring the opening angle of the partition door based on the relation between the rotation stroke and the preset rotation stroke and the opening angle of the partition door;
if the opening angle of the partition door is equal to a preset opening angle threshold value, a main window maintenance instruction is generated, and the filter element in the main window is replaced;
if the opening angle of the partition door is smaller than the preset opening angle threshold value, a main window maintenance instruction is not generated.
Preferably, the compensation control unit further comprises a connecting frame, the periphery of the connecting frame is fixed on the inner wall of the connecting cover, and the wind speed and wind meter and the control module are both fixed on the connecting frame.
From the above technical scheme, the application has the following beneficial effects:
1: through seting up main window and reserve window on the ventilation case, can control reserve window's opening and shutting through compensation actuating mechanism, when control module judges that the ventilation incasement intake value is insufficient, the accessible opens reserve window and gives the compensation of admitting air, guarantees that air suspension centrifugal blower normally works, and need not the first fixed frame in the main window of direct change, promotes the utilization ratio of filter core in the main window.
2: the standby window is completely controlled to be opened through the compensation executing mechanism, so that the main window is completely shielded by the partition door, the standby window is responsible for temporary ventilation, the filter element can be replaced by the main window, and the work of the air suspension centrifugal blower is not influenced.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of an air inlet door of an air suspension centrifugal blower provided by the application;
fig. 2 is a schematic diagram of the overall structure of the damper body in fig. 1 of an air inlet door of an air suspension centrifugal blower provided by the application;
FIG. 3 is a schematic view of the overall structure of the ventilation box of FIG. 2 of an air inlet door of an air suspension centrifugal blower provided by the application;
FIG. 4 is a schematic cross-sectional view of the filter element of FIG. 2 of an air inlet door of an air suspension centrifugal blower;
FIG. 5 is a schematic diagram of the overall structure of the compensation actuator and the first fixed frame in FIG. 1 of an air inlet door of an air suspension centrifugal blower provided by the application;
FIG. 6 is a schematic cross-sectional view of the main body of the air intake door of the centrifugal air blower of FIG. 1 according to the present application;
FIG. 7 is a schematic diagram of the disassembled structure of FIG. 4 of an air inlet door of an air suspension centrifugal blower provided by the application;
FIG. 8 is a schematic diagram of a rear view of an air inlet door of an air suspension centrifugal blower according to the present application;
FIG. 9 is a schematic cross-sectional view of the air inlet door of the centrifugal blower of FIG. 7 at A-A;
FIG. 10 is a schematic diagram of the front view of the compensation control unit of FIG. 8 of an air inlet door of an air suspension centrifugal blower according to the present application;
FIG. 11 is a schematic view of the air inlet door of the centrifugal blower in another state of the air inlet door of FIG. 4 according to the present application;
fig. 12 is an enlarged schematic view of the air inlet door of the centrifugal blower for air suspension shown in fig. 7 at B.
Description of the drawings: 1. a damper main body; 11. a ventilation box; 111. a main window; 112. a standby window; 12. a first fixing frame; 13. a second fixing frame; 14. a connection cover; 2. a filter element; 21. sealing the frame; 22. a first filter screen; 23. a second filter screen; 3. a compensation actuator; 31. an inner compartment; 311. connecting piles; 32. a partition door; 321. a fixed block; 322. a connecting block; 33. a control assembly; 331. a connecting rod; 332. a push-pull rod; 333. a rack; 3331. a guide rod; 334. a stepping motor; 3341. a drive gear; 4. a compensation control unit; 41. a connection frame; 42. a wind speed anemometer; 43. a wind pressure sensor; 44. a control module; 45. a processing module; 46. an angle acquisition module; 5. an air-suspended centrifugal blower.
Detailed Description
The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, the same or similar reference numerals indicate the same or similar parts and features. The drawings merely schematically illustrate the concepts and principles of embodiments of the disclosure and do not necessarily illustrate the specific dimensions and proportions of the various embodiments of the disclosure. Specific details or structures may be shown in exaggerated form in particular figures to illustrate related details or structures of embodiments of the present disclosure.
Referring to fig. 1-12:
example 1
The air inlet door of the air suspension centrifugal blower comprises an air door main body 1, wherein the air door main body 1 is fixedly connected with an air inlet of the air suspension centrifugal blower 5, and a main window 111 and a standby window 112 for ventilation are formed on the outer surface of the air door main body 1;
specifically, as shown in fig. 1, 2 and 6, the damper main body 1 includes a ventilation box 11, a first fixing frame 12, a second fixing frame 13 and a connection cover 14, the ventilation box 11 is fixedly connected with an air inlet of the air suspension centrifugal blower 5 through the connection cover 14, and the connection cover 14 is connected with the air suspension centrifugal blower 5 by a flange in the embodiment;
the main window 111 and the standby window 112 are arranged on the ventilation box 11, the opening area of the main window 111 is twice that of the standby window 112, in this embodiment, the two standby windows 112 are respectively distributed on two sides of the main window 111, the air inlet volume obtained by completely opening the two standby windows 112 is the same as that of the main window 111, the first fixing frame 12 is fixed in the main window 111, the second fixing frame 13 is fixed in the standby window 112, the parts for filtering gas are convenient to connect, the filter element 2 is embedded and fixed in the first fixing frame 12 and the second fixing frame 13, and the fixing mode of the filter element 2 and the first fixing frame 12 or the second fixing frame 13 can be a buckle or a screw;
more specifically, as shown in fig. 1 and fig. 4, the filter element 2 includes a sealing frame 21, a first filter screen 22 and a second filter screen 23 for filtering dust are fixed in the sealing frame 21, the outer surfaces of the first filter screen 22 and the second filter screen 23 are uniformly and obliquely provided with honeycomb holes, so that gas cannot directly enter the ventilation box 11, when the gas flows in the honeycomb holes, small particle impurities such as dust in the gas are filtered due to the influence of gravity and the blocking of the inner walls of the honeycomb holes, and the honeycomb holes on the first filter screen 22 and the honeycomb holes on the second filter screen 23 are staggered, so that the gas is bent into the ventilation box 11, thereby further improving the filtering effect;
further, as shown in fig. 1, 5, 6 and 11, the damper main body 1 is assembled with a compensation actuator 3 for controlling the opening and closing of the main window 111 or the standby window 112, and the compensation actuator 3 includes:
the two ends of the partition door 32 are rotatably connected with the fixed blocks 321, the fixed blocks 321 are fixed on the first fixed frame 12, the partition door 32 can rotate on the fixed blocks 321, the partition door 32 is used for shielding the main window 111 or the standby window 112, the area of the second fixed frame 13 is smaller than that of the partition door 32, the partition door 32 can cover the second fixed frame 13 completely, when the partition door 32 covers the second fixed frame 13, the standby window 112 can be shielded, and when the partition door 32 rotates to the first fixed frame 12, the first fixed frame 12 can be shielded, and the main window 111 is shielded;
as shown in fig. 5, 6 and 7, the control component 33 is used for driving the partition door 32 to switch the shielding window, the inner box 31 for isolating the control component 33 is fixed on the first fixed frame 12, and the outer periphery of one end of the inner box 31 far away from the first fixed frame 12 is in sealing connection with the inner wall of the ventilation box 11, so that gas can pass through the inner box 31, and the influence of the gas entering from the main window 111 or the standby window 112 on the control component 33 is reduced;
specifically, as shown in fig. 5, a connection pile 311 connected with a control component 33 is fixed on the inner compartment 31, the control component 33 includes a connecting rod 331, the connecting rod 331 is rotationally connected with the connection pile 311, one end of the connecting rod 331 is hinged with a connecting block 322 connected with a partition door 32, the connecting block 322 is fixedly connected with the partition door 32, the connecting rod 331 rotates on the connection pile 311 for 90 degrees, namely, the partition door 32 can be driven by the connecting block 322 to rotate for 90 degrees by taking the connection point of the partition door 32 and a fixed block 321 as a circle center, and shielding of the main window 111 and the standby window 112 is switched;
the connecting block 322 penetrates through the inner compartment 31 and is in sliding connection with the inner compartment 31, an arc-shaped chute is formed in the inner compartment 31 in the embodiment, the connecting block 322 can slide in the arc-shaped chute, as shown in fig. 5, the other end of the connecting rod 331 is in sliding connection with a push-pull rod 332, the push-pull rod 332 is in sliding connection with the inner compartment 31, a waist round hole is formed in the push-pull rod 332, the end part of the connecting rod 331 is in sliding connection with the waist round hole through a shaft, and thus the push-pull rod 332 can push the connecting rod 331 to rotate on the connecting pile 311 through the shaft in a sliding manner;
more specifically, as shown in fig. 1 and fig. 5, the control assembly 33 further includes a stepper motor 334, the stepper motor 334 is fixed on the ventilation box 11, an output end of the stepper motor 334 passes through the ventilation box 11, a driving gear 3341 is fixed at an output end of the stepper motor 334, a rack 333 is fixed on the push-pull rod 332, the driving gear 3341 is meshed with the rack 333, a guide rod 3331 is slidably connected with the rack 333, the guide rod 3331 is fixed on the first fixed frame 12, the rack 333 can slide along the guide rod 3331, sliding stability is ensured, the driving gear 3341 is driven to rotate by the stepper motor 334, and the driving gear 3341 can stir the rack 333 to slide on the guide rod 3331, so as to drive the push-pull rod 332 to slide;
as shown in fig. 9 and 10, the damper main body 1 is equipped with a compensation control unit 4 that controls the compensation actuator 3, and the compensation control unit 4 includes a wind speed and amount meter 42, a control module 44, and an angle acquisition module 46:
the wind speed anemometer 42 is used for acquiring a wind speed value of the ventilation box 11 into the air suspension centrifugal blower 5, and the wind speed anemometer 42 of the embodiment is based on a rotor wind speed sensor: the rotor wind speed sensor calculates wind speed by measuring the rotation speed of air flowing through the rotor, the rotor is arranged on the sensor, and when the wind blows through the rotor, the rotation speed of the rotor is in direct proportion to the wind speed;
the control module 44 calculates an air intake value in the ventilation box 11 according to the air speed value, compares the air intake value with a preset air intake threshold value, determines whether to generate a compensation instruction, if so, the control module 33 adjusts the partition door 32 according to the compensation instruction, opens the standby window 112 to compensate the air intake value, the control module 44 updates the air intake value in real time while the control module 33 adjusts the partition door 32 until the comparison result of the air intake value updated in real time and the preset air intake threshold value is greater than or equal to the preset air intake threshold value, the control module 44 generates a stop instruction, and the control module 33 stops working according to the stop instruction, wherein the preset air intake threshold value in the embodiment is determined by a plurality of experiments by a person skilled in the art;
the calculation formula of the intake air value is: q=f×min, where q is the air intake value, f is the wind speed value, and min is the unit time;
the method for judging whether to generate the compensation instruction comprises the following steps:
if the air inlet value is smaller than the preset air inlet threshold value, generating a compensation instruction;
if the air inlet value is greater than or equal to a preset air inlet threshold value, a compensation instruction is not generated;
the angle acquisition module 46 is an encoder, which is a commonly used sensor for monitoring the rotation angle of the shaft or cylinder, and is usually mounted on the shaft or cylinder, the rotation angle is determined by measuring the rotation of the shaft or cylinder, the encoder may be an optical encoder or a magnetic encoder, the output pulse number of which is proportional to the rotation angle of the wheel, the encoder of the embodiment is mounted on the output shaft of the stepper motor 334 for acquiring the rotation stroke of the stepper motor 334, acquiring the opening angle of the barrier 32 based on the relation between the rotation stroke and the preset rotation stroke and the opening angle of the barrier 32, comparing the opening angle with the preset opening angle threshold value, and determining whether to generate the maintenance instruction of the main window 111.
Specifically, the method for determining whether to generate the main window 111 maintenance instruction includes:
if the opening angle of the partition door 32 is equal to the preset opening angle threshold, a main window 111 maintenance instruction is generated, the filter element 2 in the main window 111 is replaced, in this embodiment, the preset opening angle threshold is 0-90 degrees, a technician can take any value in the range of 0-90 degrees as the preset opening angle threshold according to actual conditions, no specific data limitation is made here, when the angle between the partition door 32 and the second fixed frame 13 is larger, the serious saturation degree of the filter element 2 in the main window 111 is indicated, and when the main window 111 maintenance instruction is generated, maintenance or replacement of the filter element 2 in the main window 111 is carried out by a maintainer; taking the preset opening angle threshold value as 90 degrees as an example, the standby window 112 is completely opened at this time, the main window 111 is completely closed, which means that the filter element 2 in the main window 111 is completely saturated, and the operation of the air suspension centrifugal blower 5 is completely maintained by means of air intake of the standby window 112, and at this time, maintenance personnel can conveniently maintain or replace the filter element 2 in the main window 111 without closing the air suspension centrifugal blower 5 to operate under the condition that the main window 111 is closed;
if the opening angle of the partition door 32 is smaller than the preset opening angle threshold, no maintenance instruction of the main window 111 is generated, which indicates that the saturation degree of the filter element 2 in the main window 111 is not serious at this time, and maintenance or replacement is not needed temporarily.
As shown in fig. 9 and 10, the compensation control unit 4 further includes a connection frame 41, the outer periphery of the connection frame 41 is fixed on the inner wall of the connection cover 14, the wind speed and wind quantity meter 42 and the control module 44 are both fixed on the connection frame 41, the connection frame 41 is circular, and wires for power supply and data transmission can be buried in the connection frame 41, so that the influence on wind speed is reduced.
Example two
The difference between the second embodiment and the first embodiment is that the compensation control unit 4 further includes a wind pressure sensor 43 and a processing module 45, the wind pressure sensor 43 and the processing module 45 are fixed on the connection frame 41, the working principle of the wind pressure sensor 43 is that the pressure of the wind pressure sensor 43 directly acts on the diaphragm of the sensor, so that the diaphragm generates micro displacement proportional to the pressure of the medium, the resistance of the sensor changes, the change is detected by using an electronic circuit, and a standard signal corresponding to the pressure is output, the number of the wind pressure sensors 43 is n, n is an integer greater than 1, the n wind pressure sensors 43 are uniformly fixed on the connection frame 41, so that wind pressure values with different coordinates can be obtained simultaneously, the wind pressure sensor 43 obtains the wind pressure value of the ventilation box 11 to the air suspension centrifugal blower 5 before the control component 33 adjusts the partition door 32 according to the compensation instruction, the wind pressure sensor 43 does not need to be opened in real time, thus the service life of the wind pressure sensor 43 can be prolonged, and simultaneously the obtained n wind pressure values are related to the saturation degree of the filter element 2 in the main window 111;
the processing module 45 determines whether to generate a main window 111 maintenance instruction according to the n wind pressure values;
the method for determining whether to generate the main window 111 maintenance instruction includes:
marking a preset standard wind speed value as f and a real-time wind speed value as xf, wherein the preset standard wind speed value is determined by a person skilled in the art according to a plurality of experiments, and the real-time wind speed value as xf is obtained by detection of a wind speed meter 42;
the wind speed and wind meter 42 sends the obtained xf to the processing module 45, the wind pressure sensor 43 sends the real-time obtained wind pressure value to the processing module 45, the processing module 45 compares the xf with f, if the xf is equal to f, the wind pressure sensor 43 obtains n wind pressure values at the same moment in real time as effective wind pressure, and an analysis set is built by using the n effective wind pressures;
calculating the wind pressure average value and the discrete degree of the analysis set, if the wind pressure average value is smaller than a preset wind pressure average threshold value and the discrete degree is smaller than a preset discrete degree threshold value, generating primary saturation information, indicating that the saturation degree of the filter element 2 in the main window 111 is serious at the moment, sending the saturation information to the processing module 45 for recording, wherein the wind pressure average value threshold value is a wind pressure value which can be normally operated by the air suspension centrifugal blower 5, and the preset discrete degree threshold value in the embodiment is determined by a person skilled in the art according to a large number of experiments;
if the average wind pressure value is greater than or equal to the preset average wind pressure threshold value and the discrete degree is greater than or equal to the preset discrete degree threshold value, generating secondary saturation information, indicating that the saturation degree of the filter element 2 in the main window 111 is not serious at this time, continuing to use, and sending the saturation information to the processing module 45 for recording; no saturation information is generated for other cases.
The filter element 2 corresponding to the primary saturation information is multipoint saturated, and needs to be replaced immediately, and the filter element 2 corresponding to the secondary saturation information is single-point saturated, and may not be processed temporarily.
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In the formula (i),to a discrete degree (I)>For the i-th effective wind pressure, +.>The average value of wind pressure of the analysis set is obtained.
Working principle: in a normal state, the air suspension centrifugal blower 5 is electrified to work, and external air sequentially enters the air suspension centrifugal blower 5 through the main window 111 and the ventilation box 11;
after long-term use, when the control module 44 determines that the air intake value is insufficient, the controllable stepping motor 334 drives the driving gear 3341 to drive the rack 333 to move towards the air suspension centrifugal blower 5, the rack 333 drives the connecting rod 331 to rotate on the ventilating box 11 of the compensation executing mechanism 3 through the push-pull rod 332, the connecting rod 331 drives the partition door 32 to rotate by taking the connection point of the partition door 32 and the fixed block 321 as the center of a circle through the connecting block 322, the shielding area of the partition door 32 to the standby window 112 is changed, and at the moment, air intake can be compensated through the standby window 112;
when the partition door 32 is opened more than half, or the processing module 45 determines that the first-stage saturation information needs to be replaced, the control module 44 continues to control the stepper motor 334 until the partition door 32 completely shields the first fixed frame 12, so that the standby window 112 is in charge of temporary ventilation, a worker can replace the filter element 2 in the first fixed frame 12, after the replacement is completed, the partition door 32 is reset, and the data of the control module 44 and the processing module 45 are cleared and re-determined.
The exemplary implementation of the solution proposed by the present disclosure has been described in detail hereinabove with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and adaptations can be made to the specific embodiments described above and that various combinations of the technical features, structures proposed by the present disclosure can be made without departing from the scope of the present disclosure, which is defined by the appended claims.
Claims (11)
1. The air inlet door of the air suspension centrifugal blower is characterized by comprising an air door main body (1), wherein the air door main body (1) is fixedly connected with an air inlet of the air suspension centrifugal blower (5), and a main window (111) and a standby window (112) for ventilation are formed in the outer surface of the air door main body (1);
a compensation executing mechanism (3) for controlling the opening and closing of the main window (111) or the standby window (112) is assembled in the air door main body (1), and the compensation executing mechanism (3) comprises:
the isolation door (32), the isolation door (32) is rotatably connected with the air door main body (1), and the isolation door (32) shields the main window (111) or the standby window (112);
a control component (33), wherein the control component (33) is used for driving the partition door (32) to switch the shielding main window (111) or the standby window (112);
a compensation control unit (4) for controlling the compensation executing mechanism (3) is assembled in the air door main body (1), and the compensation control unit (4) comprises an air speed and wind meter (42), a control module (44) and an angle acquisition module (46):
the wind speed and air quantity meter (42) is used for acquiring a wind speed value of the ventilation box (11) led into the air suspension centrifugal blower (5);
the control module (44) calculates an air inlet value in the air door main body (1) according to the air speed value, compares the air inlet value with a preset air inlet threshold value, judges whether a compensation instruction is generated, and if the compensation instruction is generated, the control component (33) adjusts the partition door (32) according to the compensation instruction, and opens the standby window (112) to compensate the air inlet value;
the angle acquisition module (46) is used for acquiring the opening angle of the partition door (32), comparing the opening angle with a preset opening angle threshold value, judging whether a main window (111) maintenance instruction is generated, if the main window (111) maintenance instruction is generated, the control component (33) controls the partition door (32) to completely shield the main window (111) according to the main window (111) maintenance instruction, the standby window (112) is responsible for temporary ventilation, and the main window (111) is used for replacing a filter element.
2. An air inlet door of an air suspension centrifugal blower according to claim 1, characterized in that the air door main body (1) comprises a ventilation box (11), a first fixing frame (12), a second fixing frame (13) and a connecting cover (14), the ventilation box (11) is fixedly connected with an air inlet of the air suspension centrifugal blower (5) through the connecting cover (14), the main window (111) and a standby window (112) are arranged on the ventilation box (11), the standby windows (112) are distributed on two sides of the main window (111), the first fixing frame (12) is fixed in the main window (111), and the second fixing frame (13) is fixed in the standby window (112).
3. The air inlet door of the air suspension centrifugal blower according to claim 2, wherein the first fixing frame (12) and the second fixing frame (13) are internally embedded and fixed with a filter element (2), the filter element (2) comprises a sealing frame (21), a first filter screen (22) and a second filter screen (23) for filtering dust are internally fixed in the sealing frame (21), honeycomb holes are uniformly and obliquely formed in the outer surfaces of the first filter screen (22) and the second filter screen (23), and the honeycomb holes in the first filter screen (22) and the honeycomb holes in the second filter screen (23) are distributed in a staggered mode.
4. An air inlet door of an air suspension centrifugal blower according to claim 2, wherein two ends of the partition door (32) are rotatably connected with a fixed block (321), and the fixed block (321) is fixed on the first fixed frame (12).
5. An air inlet door of an air suspension centrifugal blower according to claim 3, characterized in that an inner box (31) of the isolation control assembly (33) is fixed on the first fixed frame (12), one end periphery of the inner box (31) far away from the first fixed frame (12) is in sealing connection with the inner wall of the ventilation box (11), and a connecting pile (311) for connecting the control assembly (33) is fixed on the inner box (31).
6. The air inlet door of the air suspension centrifugal blower according to claim 5, wherein the control assembly (33) comprises a connecting rod (331), the connecting rod (331) is rotationally connected with the connecting pile (311), one end of the connecting rod (331) is hinged with a connecting block (322) connected with the partition door (32), the connecting block (322) is fixedly connected with the partition door (32), the connecting block (322) penetrates through the inner partition box (31) and is in sliding connection with the inner partition box (31), the other end of the connecting rod (331) is in sliding connection with a push-pull rod (332), and the push-pull rod (332) is in sliding connection with the inner partition box (31).
7. The air inlet door of an air suspension centrifugal blower according to claim 6, wherein the control assembly (33) further comprises a stepping motor (334), the stepping motor (334) is fixed on the ventilation box (11), the angle acquisition module (46) is mounted on the stepping motor (334), an output end of the stepping motor (334) penetrates through the ventilation box (11), a driving gear (3341) is fixed at an output end of the stepping motor (334), a rack (333) is fixed on the push-pull rod (332), and the driving gear (3341) is meshed with the rack (333).
8. The air inlet door of an air suspension centrifugal blower according to claim 7, wherein a guide rod (3331) is slidably connected to the rack (333), and the guide rod (3331) is fixed to the first fixing frame (12).
9. An air inlet door of an air suspension centrifugal blower according to claim 3, wherein the control module (44) calculates an air inlet value in the ventilation box (11) according to a wind speed value, and a calculation formula of the air inlet value is: q=f×min, where q is the air intake value, f is the wind speed value, and min is the unit time;
the method for judging whether to generate the compensation instruction comprises the following steps:
if the air inlet value is smaller than the preset air inlet threshold value, generating a compensation instruction;
if the air intake value is greater than or equal to the preset air intake threshold value, no compensation instruction is generated.
10. An air suspension centrifugal blower inlet door according to claim 7, wherein the method of determining whether to generate a main window (111) maintenance instruction comprises:
the angle acquisition module (46) is an encoder and is used for acquiring the rotation stroke of the stepping motor (334) and acquiring the opening angle of the partition door (32) based on the relation between the rotation stroke and the preset rotation stroke and the opening angle of the partition door (32);
if the opening angle of the partition door (32) is equal to a preset opening angle threshold value, a main window (111) maintenance instruction is generated, and the filter element (2) in the main window (111) is replaced;
if the opening angle of the partition door (32) is smaller than a preset opening angle threshold value, a main window (111) maintenance instruction is not generated.
11. An air inlet door of an air suspension centrifugal blower according to claim 2, characterized in that the compensation control unit (4) further comprises a connecting frame (41), the periphery of the connecting frame (41) is fixed on the inner wall of the connecting cover (14), and the air velocity anemometer (42) and the control module (44) are both fixed on the connecting frame (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311511938.5A CN117231560B (en) | 2023-11-14 | 2023-11-14 | Air suspension centrifugal blower air inlet door |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311511938.5A CN117231560B (en) | 2023-11-14 | 2023-11-14 | Air suspension centrifugal blower air inlet door |
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| Publication Number | Publication Date |
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| CN117231560A true CN117231560A (en) | 2023-12-15 |
| CN117231560B CN117231560B (en) | 2024-01-30 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214837212U (en) * | 2021-07-24 | 2021-11-23 | 江苏双富空调制造有限公司 | Centrifugal fire-fighting smoke exhaust fan |
| CN215398072U (en) * | 2020-12-03 | 2022-01-04 | 北京车和家信息技术有限公司 | Air conditioner air inlet box, vehicle air conditioning system and vehicle |
| CN216644450U (en) * | 2021-11-26 | 2022-05-31 | 爱迪士（上海）室内空气技术有限公司 | Fresh air unit and fresh air system |
| CN219243826U (en) * | 2023-05-25 | 2023-06-23 | 淄博冠中工业设计研究院 | Medical air purification equipment |
| CN116972511A (en) * | 2023-07-25 | 2023-10-31 | 辽宁建筑职业学院 | Air quantity adjusting assembly and heating ventilation air conditioner |
-
2023
- 2023-11-14 CN CN202311511938.5A patent/CN117231560B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215398072U (en) * | 2020-12-03 | 2022-01-04 | 北京车和家信息技术有限公司 | Air conditioner air inlet box, vehicle air conditioning system and vehicle |
| CN214837212U (en) * | 2021-07-24 | 2021-11-23 | 江苏双富空调制造有限公司 | Centrifugal fire-fighting smoke exhaust fan |
| CN216644450U (en) * | 2021-11-26 | 2022-05-31 | 爱迪士（上海）室内空气技术有限公司 | Fresh air unit and fresh air system |
| CN219243826U (en) * | 2023-05-25 | 2023-06-23 | 淄博冠中工业设计研究院 | Medical air purification equipment |
| CN116972511A (en) * | 2023-07-25 | 2023-10-31 | 辽宁建筑职业学院 | Air quantity adjusting assembly and heating ventilation air conditioner |
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| CN117231560B (en) | 2024-01-30 |
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