CN115013339A - Air blower inlet air volume adjusting and guiding device - Google Patents
Air blower inlet air volume adjusting and guiding device Download PDFInfo
- Publication number
- CN115013339A CN115013339A CN202210475874.7A CN202210475874A CN115013339A CN 115013339 A CN115013339 A CN 115013339A CN 202210475874 A CN202210475874 A CN 202210475874A CN 115013339 A CN115013339 A CN 115013339A
- Authority
- CN
- China
- Prior art keywords
- air
- wind
- section
- inlet
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- F04D27/003—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by throttling
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
-
- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers 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
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
-
- 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
Abstract
The invention discloses a device for regulating and guiding the air volume of an air feeder inlet, which comprises an air duct, a fan blade wheel and a fan blade wheel, wherein the air duct comprises an air inlet section, a current collector section and a fan blade wheel section; the adjusting assembly comprises an air quantity adjusting plate and a wind shielding piece, the air quantity adjusting plate is connected with the wind shielding piece through a connecting rod, an air inlet is formed in the air quantity adjusting plate, and the adjusting assembly is arranged at the tail end of the air inlet section; the flow equalizing guide assembly comprises a guide cylinder and flow equalizing plates, wherein the flow equalizing plates are arranged inside the guide cylinder, the guide cylinder is divided into a plurality of groups of guide intervals, and the flow equalizing guide assembly is arranged on the flow collector section. According to the invention, the multi-stage regulation of the inlet air volume is realized through the regulating assembly, the flow guiding and the flow equalizing of the inlet air are realized through the flow equalizing guide assembly, the pressure pulsation of the air flow such as uneven air flow and eddy flow is blocked, the air flow of the inlet runner of the fan is distributed in a balanced manner, and the vibration and the noise of the inlet of the collector of the fan are eliminated.
Description
Technical Field
The invention relates to the technical field of air inlet regulation of air blowers, in particular to an inlet air quantity regulating and guiding device of an air blower.
Background
At present, vibration and noise exceeding of the inlet and the outlet of fans and air ducts of various domestic thermal power plants are common problems, and the site of structural welding cracking and air duct tearing caused by vibration of fan shells and air ducts is common. The vibration of the air supply system, the shell and the inlet air duct is obvious.
The centrifugal blower structure mainly comprises a current collector, a casing, a main shaft, an impeller, a regulator, a rotating group, a coupling, an air inlet box, a motor and the like. The existing fan structure is based on the flow dividing regulation of the regulator to regulate the air inlet stability of the fan impeller inlet, but the long interval (1.5M) between the flow collecting and the impeller does not have corresponding flow stabilizing and guiding devices in the area. And airflow pressure pulsation such as uneven airflow, vortex and the like is easily generated among the current collector, the regulator and the impeller, the vortex rotates around a fan shaft along with the airflow after being generated, and moves backwards along with the air duct, so that the vibration and noise of a fan shell and the air duct exceed standards, and related accessory part breakage accidents are caused.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and title of the application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
In order to solve the technical problems, the invention provides the following technical scheme: the air inlet air quantity regulating and guiding device for the air feeder comprises an air channel, a fan blade wheel section and a fan blade wheel section, wherein the air channel comprises an air inlet section, a current collector section and the fan blade wheel section; the adjusting assembly comprises an air quantity adjusting plate and a wind shielding piece, the air quantity adjusting plate is connected with the wind shielding piece through a connecting rod, an air inlet is formed in the air quantity adjusting plate, and the adjusting assembly is arranged at the tail end of the air inlet section; the flow equalizing guide assembly comprises a guide cylinder and flow equalizing plates, wherein the flow equalizing plates are arranged inside the guide cylinder, the guide cylinder is divided into a plurality of groups of guide intervals, and the flow equalizing guide assembly is arranged on the flow collector section.
As a preferable scheme of the air volume adjusting and guiding device for the inlet of the air blower of the invention, wherein: the connecting rod comprises screw rod section and canned paragraph, and the screw rod section rotates with the canned paragraph to be connected, air regulation board set up in the screw rod section, keep out the wind the piece set up in the canned paragraph.
As a preferable aspect of the inlet air volume adjusting and guiding device for a blower of the present invention, wherein: three groups of air inlets are circumferentially formed in the air quantity adjusting plate from outside to inside and respectively comprise a first air inlet, a second air inlet and a third air inlet, and annular stop blocks are arranged in the three groups of air inlets.
As a preferable scheme of the air volume adjusting and guiding device for the inlet of the air blower of the invention, wherein: the wind shield comprises a first wind shield, a second wind shield and a third wind shield, wherein a first wind shielding cylinder is circumferentially arranged on the first wind shield, a second wind shielding cylinder is circumferentially arranged on the second wind shield, a third wind shielding cylinder is circumferentially arranged on the third wind shield, and the lengths and the diameters of the three wind shielding cylinders are the same and are smaller than the inner diameter of the air inlet and larger than the inner diameter of the annular stop.
As a preferable aspect of the inlet air volume adjusting and guiding device for a blower of the present invention, wherein: a first round hole is formed in the middle of the first wind shield, a second round hole is formed in the middle of the second wind shield, the diameter of the first round hole is the same as that of the second wind shield, and the diameter of the second round hole is the same as that of the third wind shield.
As a preferable aspect of the inlet air volume adjusting and guiding device for a blower of the present invention, wherein: first deep bead, second deep bead and third deep bead equidistant set up in on the fixed segment, first deep bead is connected with the fixed segment through first dead lever, the second deep bead passes through the second dead lever and is connected with the fixed segment, and third deep bead movable sleeve is located the fixed segment.
As a preferable aspect of the inlet air volume adjusting and guiding device for a blower of the present invention, wherein: the fixed section is provided with a sliding groove, the second fixed rod penetrates through the sliding groove, and a spring connected with the second fixed rod is arranged in the sliding groove.
As a preferable aspect of the inlet air volume adjusting and guiding device for a blower of the present invention, wherein: the annular stop block in the third air inlet is made of a magnetic block, the top of the third wind blocking cylinder is provided with the magnetic block, the magnetic block and the magnetic block are different in magnetism, and the fixed section is provided with a limiting block for limiting the third wind blocking plate.
As a preferable aspect of the inlet air volume adjusting and guiding device for a blower of the present invention, wherein: the guide cylinder is installed in the current collector section through a fixing rib, a cylindrical block is arranged at the center of the guide cylinder, and the flow equalizing plate is welded between the cylindrical block and the inner wall of the guide cylinder.
As a preferable aspect of the inlet air volume adjusting and guiding device for a blower of the present invention, wherein: the flow equalizing plates are provided with five groups, the flow equalizing plates form 72 degrees with each other, and five groups of welding grooves are circumferentially arranged at equal intervals on the cylindrical block.
The invention has the beneficial effects that: according to the invention, the multi-stage regulation of the inlet air volume is realized through the regulating assembly, the flow guiding and the flow equalizing of the inlet air are realized through the flow equalizing guide assembly, the pressure pulsation of the air flow such as uneven air flow and eddy flow is blocked, the air flow of the inlet runner of the fan is distributed in a balanced manner, and the vibration and the noise of the inlet of the collector of the fan are eliminated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of a current-sharing steering assembly according to the present invention.
Fig. 3 is a schematic view of the overall structure of the adjusting assembly of the present invention.
Fig. 4 is a schematic view of an explosive structure of the regulating assembly of the present invention.
FIG. 5 is a schematic view of the connecting rod of the present invention.
FIG. 6 is a schematic view of the third inlet of the adjusting assembly of the present invention in a closed state.
FIG. 7 is a schematic view of the second and third inlets of the adjusting assembly of the present invention in a closed state.
Fig. 8 is a schematic view of the adjusting assembly with three sets of air inlets in a fully closed state.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 2, for a first embodiment of the present invention, this embodiment provides a blower inlet air volume adjusting and guiding device, which includes an air duct 100, an adjusting assembly 200, and a flow equalizing guiding assembly 300, where the air duct 100 includes an air inlet section 101, a current collector section 102, and a blower wheel section 103, the air inlet section 101 is communicated to the blower wheel section 103 through the current collector section 102, and air passes through the current collector section 102 from the air inlet section 101 to the blower wheel section 103; the adjusting assembly 200 comprises an air quantity adjusting plate 201 and a wind shielding piece 202, the air quantity adjusting plate 201 is connected with the wind shielding piece 202 through a connecting rod 203, an air inlet is formed in the air quantity adjusting plate 201, the adjusting assembly 200 is arranged at the tail end of the air inlet section 101, the adjusting assembly 200 is used for adjusting the air inlet quantity, air passes through the air quantity adjusting plate 201 from the air inlet to reach the current collector section 102, and the wind shielding piece 202 is used for sealing the air inlet so as to adjust the air inlet quantity; flow equalization guide assembly 300, including draft tube 301 and flow equalization board 302, flow equalization board 302 is installed inside draft tube 301, divide draft tube 301 equally into the interval of multiunit water conservancy diversion, flow equalization guide assembly 300 sets up in current collector section 102, be used for carrying out the water conservancy diversion between current collector section 102 and fan impeller section 103, draft tube 301 center is coaxial with the impeller center, flow equalization board 302 installation direction is parallel with wind channel 100, thereby form independent water conservancy diversion interval between flow equalization board 302 and draft tube 301 inner wall, realize blocking the air current uneven, airflow pressure pulsation such as vortex, balanced distribution fan entry runner air current, eliminate fan current collector entry vibration and noise.
The wind enters the air inlet section 101 from the wind channel 100, firstly contacts the air quantity adjusting plate 201, the wind passes through the air inlet on the air quantity adjusting plate 201, is decelerated by the wind shielding part 202 at the rear end of the air quantity adjusting plate 201 and reaches the current collector section 102, if the wind inlet quantity needs to be adjusted, the air quantity adjusting plate 201 is moved towards the wind shielding part 202 along the connecting rod 203, so that the wind shielding part 202 seals part or all of the air inlet on the air quantity adjusting plate 201, and the adjustment of the wind inlet quantity can be realized. The outside of air regulation plate 201 is provided with slider 201d, and air intake section 101 inner wall is provided with the spout, and slider 201d is located the spout, and air regulation plate 201 moves at air intake section 101 along the spout, and the outside of air regulation plate 201 still is provided with the sealing washer, prevents that wind from passing through air regulation plate 201 and air intake section 101 inner wall clearance. After the wind reaches the current collector section 102, under the wind collecting effect of the current collector section 102, the wind enters the flow guide section of the flow equalizing guide assembly 300, so that the flow guide and the flow equalization of the entering wind are realized, the flow pressure pulsation of uneven airflow, vortex flow and the like is blocked, the airflow of the inlet channel of the fan is distributed in a balanced manner, the vibration and the noise of the inlet of the current collector of the fan are eliminated, and the wind is stably sent to the fan impeller section 103.
Example 2
Referring to fig. 1 to 8, a second embodiment of the present invention is different from the first embodiment in that: the connecting rod 203 is composed of a screw section 203a and a fixed section 203b, the screw section 203a is rotatably connected with the fixed section 203b, the air volume adjusting plate 201 is arranged on the screw section 203a, the wind shielding piece 202 is arranged on the fixed section 203b, the screw section 203a extends to the outside of the air duct 100, and by rotating the screw section 203a, the air volume adjusting plate 201 moves along the screw section 203a at the air inlet section 101, so that the distance between the wind shielding piece 202 is adjusted, and the wind shielding piece 202 seals part or all of air inlets on the air volume adjusting plate 201, so that the air intake volume is adjusted.
Furthermore, three groups of air inlets are circumferentially formed in the air quantity adjusting plate 201 from outside to inside, namely a first air inlet 201a, a second air inlet 201b and a third air inlet 201c, annular stoppers 204 are arranged in the three groups of air inlets, the inner diameters of the three groups of air inlets are the same, and inlet air passes through the air quantity adjusting plate 201 from the three groups of air inlets.
The wind shielding part 202 comprises a first wind shielding plate 202a, a second wind shielding plate 202b and a third wind shielding plate 202c, a first wind shielding cylinder 202a-1 is circumferentially arranged on the first wind shielding plate 202a, a second wind shielding cylinder 202b-1 is circumferentially arranged on the second wind shielding plate 202b, a third wind shielding cylinder 202c-1 is circumferentially arranged on the third wind shielding plate 202c, and the three groups of wind shielding cylinders are the same in length, smaller in diameter than the inner diameter of the air inlet and larger than the inner diameter of the annular stopper 204.
The first wind shielding cylinders 202a-1 correspond to the first wind inlets 201a one by one, and when the first wind shielding cylinders 202a-1 enter the first wind inlets 201a to abut against the annular stop block 204, the first wind inlets 201a are closed; the second wind-blocking columns 202b-1 correspond to the second wind inlets 201b one by one, and when the second wind-blocking columns 202b-1 enter the second wind inlets 201b and abut against the annular stopper 204, the second wind inlets 201b are closed; the third wind shielding cylinders 202c-1 correspond to the third wind inlets 201c one by one, and when the third wind shielding cylinders 202a-1 and the wind cylinders 202c-1 enter the third wind inlets 201c and are abutted against the annular stopper 204, the third wind inlets 201c are closed.
The first wind deflector 202a is provided with a first circular hole 202a-2 in the middle, the second wind deflector 202b is provided with a second circular hole 202b-2 in the middle, the diameter of the first circular hole 202a-2 is the same as that of the second wind deflector 202b, and the diameter of the second circular hole 202b-2 is the same as that of the third wind deflector 202 c.
When the third damper 202c is coincident with the second damper 202b, the third damper 202c closes the second circular hole diameter 202b-2 of the second damper 202 b; when the second wind deflector 202b is superposed with the first wind deflector 202a, the second wind deflector 202b and the third wind deflector 202c close the first circular hole 202a-2 of the first wind deflector 202a, the three groups of wind deflectors 202c are completely superposed to form a sealing disc, and sealing strips are arranged on the outer sides of the second wind deflector 202b and the third wind deflector 202c and used for completely sealing the first circular hole 202a-2 and the second circular hole 202 b-2.
The first wind deflector 202a, the second wind deflector 202b and the third wind deflector 202c are arranged on the fixed section 203b at equal intervals, the first wind deflector 202a is connected with the fixed section 203b through a first fixing rod 202a-3, the second wind deflector 202b is connected with the fixed section 203b through a second fixing rod 202b-3, and the third wind deflector 202c is movably sleeved on the fixed section 203 b. The fixed section 203b is provided with a sliding groove 203c, the second fixing rod 202b-3 passes through the sliding groove 203c, and a spring 203e connected with the second fixing rod 202b-3 is arranged in the sliding groove 203 c.
The inner wall of the air inlet section 101 is provided with an annular clamping groove, the first wind shield 202a is installed in the annular clamping groove, the first wind shield 202a is connected with the fixed section 203b through a first fixing rod 202a-3, the second wind shield 202b is installed in a sliding groove 203c of the fixed section 203b through a second fixing rod 202b-3 in a sliding mode, and the fixed section 203b is movably sleeved with the third wind shield 202 c.
The annular stopper 204 in the third air inlet 201c is a magnetic block, the top of the third wind-shielding cylinder 202c-1 is provided with a magnetic block, the magnetic blocks are different in magnetism, and the fixed section 203b is provided with a limit block 203d for limiting the third wind-shielding plate 202 c.
When the air volume adjusting plate 201 and the wind shielding member 202 are in a separated state, the three groups of air inlets are in an open state, at the moment, the air intake is the largest, the air passing through the first air inlet 201a passes through the air volume adjusting plate 201 and then contacts the first wind shielding plate 202a, and reaches the current collector section 102 from a gap between the first wind shielding plate 202a and the second wind shielding plate 202b, and the first wind shielding plate 202a can effectively reduce the wind speed of the air entering from the first air inlet 201a, so that the wind speed is prevented from impacting the current collector section 102 too fast to cause vibration; the wind passing through the second air inlet 201b passes through the air volume adjusting plate 201 and then contacts the second wind blocking plate 202b, and reaches the current collector section 102 from the gaps between the first wind blocking plate 202a and the second wind blocking plate 202b and between the second wind blocking plate 202b and the third wind blocking plate 202c, so that the first wind blocking plate 202a and the second wind blocking plate 202b can effectively reduce the wind speed of the wind entering from the second air inlet 201b, and the current collector section 102 is prevented from being impacted by the too fast wind speed to cause vibration; the wind passing through the third wind inlet 201c passes through the air volume adjusting plate 201 and then contacts the third wind blocking plate 202c, and reaches the current collector section 102 from the gaps between the first wind blocking plate 202a and the second wind blocking plate 202b and the third wind blocking plate 202c, so that the wind speed of the wind entering from the third wind inlet 201c can be effectively reduced by the first wind blocking plate 202a, the second wind blocking plate 202b and the third wind blocking plate 202c, and the current collector section 102 is prevented from being impacted by the too fast wind speed, and vibration is caused.
When the air inlet amount needs to be adjusted and reduced, the screw section 203a of the connecting rod 203 is rotated, so that the air adjusting plate 201 moves towards the wind shielding piece 202 along the screw section 203a, the air adjusting plate 201 is firstly contacted with a third wind shielding plate 202c, a third wind shielding cylinder 202c-1 is inserted into the third air inlet 201c and is abutted against a magnetic annular stopper 204 of the third air inlet 201c, and the third air inlet 201c is closed, so that the air inlet amount is reduced; if the air quantity needs to be reduced continuously, the screw section 203a is rotated continuously, so that the air quantity adjusting plate 201 continues to move towards the wind shielding piece 202, the air quantity adjusting plate 201 moves and simultaneously pushes the third wind shielding plate 202c to move towards the second wind shielding plate 202b, the gap between the third wind shielding plate 202c and the second wind shielding plate 202b is gradually reduced, the whole air quantity of the wind shielding piece 202 is gradually reduced, when the air quantity adjusting plate 201 contacts with the second wind blocking plate 202b, the second wind blocking column 202b-1 is inserted into the second wind inlet 201b, abuts against the annular blocking block 204 of the second wind inlet 201b, thereby closing the second air inlet 201b and reducing the air inlet volume, wherein the third wind deflector 202 is overlapped with the second wind deflector 202b, the third wind deflector 202 enters the second round hole 202b-2 of the second wind deflector 202b, and the gap between the third wind deflector 202c and the second wind deflector 202b is completely sealed; if the air quantity needs to be reduced continuously, the screw segment 203a is rotated continuously, so that the air quantity adjusting plate 201 moves continuously towards the wind shielding member 202, the air quantity adjusting plate 201 moves while pushing the overlapped third wind shielding plate 202 and second wind shielding plate 202b to move towards the first wind shielding plate 202a, the second fixing rod 202b-3 slides along the sliding groove 203c, the spring 203e contracts, the gap between the first wind shielding plate 202a and the second wind shielding plate 202b is gradually reduced, the overall air quantity of the wind shielding member 202 is gradually reduced, when the air quantity adjusting plate 201 is in contact with the first wind shielding plate 202a, the first wind shielding cylinder 202a-1 is inserted into the first air inlet 201a and is abutted against the annular stopper 204 of the first air inlet 201a, so that the first air inlet 201a is closed completely, and meanwhile, the overlapped third wind shielding plate 202 and second wind shielding plate 202b are overlapped with the first wind shielding plate 202a, the gap between the first wind deflector 202a and the second wind deflector 202b is completely sealed, so that the wind deflector 202 is completely sealed, that is, the adjusting assembly 200 is double sealed at the air intake section 101, so as to prevent wind from entering.
The multistage regulation of the air inlet amount is realized through the air adjusting plate 201 and the wind shielding piece 202, the cliff type large regulation of the air inlet amount is realized through gradually closing the air inlet, and the linear small regulation of the air inlet amount is realized through gradually reducing the gap between the wind shielding plates.
When the air inlet amount needs to be adjusted and increased, the screw section 203a of the connecting rod 203 is rotated in the opposite direction, so that the air adjusting plate 201 moves along the screw section 203a towards the direction away from the wind shielding part 202, the air adjusting plate 201 is firstly separated from the first wind shielding plate 202a, the first air inlet 201a is opened, under the action of the compression spring 203e, the overlapped third wind shielding plate 202 and the second wind shielding plate 202b are pushed to be separated from the first wind shielding plate 202a, the gap between the first wind shielding plate 202a and the second wind shielding plate 202b is increased, and the air inlet amount is gradually increased; the screw section 203a continues to rotate in the opposite direction, when the second fixing rod 202b-3 reaches the end of the sliding groove 203c under the action of the spring 203e, the second air baffle 202b is separated from the air volume adjusting plate 201, the second air inlet 201b is opened, the air volume is increased, under the action of the magnetic annular baffle 204 in the third air inlet 201c and the magnetic block at the top of the third air baffle cylinder 202c-1, the air volume adjusting plate 201 drives the third air baffle 202 to move simultaneously, the third air baffle 202 is gradually separated from the second air baffle 202b, the air volume is gradually increased, when the third air baffle 202 moves to the position of the limiting block 203d on the fixing section 203b, the third air baffle 202 is separated from the air volume adjusting plate 201, the third air inlet 201c is opened, and the air volume reaches the maximum.
Further, the guide shell 301 is mounted on the collector segment 102 through a fixing rib 303, a cylindrical block 304 is arranged at the center of the guide shell 301, and a flow equalizing plate 302 is welded between the cylindrical block 304 and the inner wall of the guide shell 301. Five groups of flow equalizing plates 302 are arranged, the flow equalizing plates 302 form a 72-degree angle with each other, the guide cylinder 301 is divided into five independent guide sections, five groups of welding grooves are circumferentially and equidistantly arranged on the cylindrical block 304 and are used for welding and fixing the flow equalizing plates 302, and the installation direction of the flow equalizing plates 302 is parallel to the air duct 100. The center of the guide cylinder 301 is coaxial with the center of the impeller, and an independent guide section is formed between the flow equalizing plate 302 parallel to the air duct 100 and the inner wall of the guide cylinder 301, so that airflow pressure pulsation such as uneven airflow and vortex is blocked, airflow of an inlet channel of the fan is distributed in a balanced manner, and vibration and noise of an inlet of a collector of the fan are eliminated.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a forced draught blower entry air regulation and guider which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the air duct (100) comprises an air inlet section (101), a current collector section (102) and a fan impeller section (103), wherein the air inlet section (101) is communicated to the fan impeller section (103) through the current collector section (102);
the adjusting assembly (200) comprises an air quantity adjusting plate (201) and a wind shielding piece (202), the air quantity adjusting plate (201) is connected with the wind shielding piece (202) through a connecting rod (203), an air inlet is formed in the air quantity adjusting plate (201), and the adjusting assembly (200) is arranged at the tail end of the air inlet section (101);
flow equalizing guide assembly (300) including draft tube (301) and flow equalizing plate (302), flow equalizing plate (302) install in inside draft tube (301), equally divide draft tube (301) into the interval of multiunit water conservancy diversion, flow equalizing guide assembly (300) set up in current collector section (102).
2. The inlet air volume adjusting and guiding device for a blower according to claim 1, wherein: connecting rod (203) comprises screw rod section (203a) and canned paragraph (203b), and screw rod section (203a) rotates with canned paragraph (203b) to be connected, air regulation board (201) set up in screw rod section (203a), keep out the wind piece (202) set up in canned paragraph (203 b).
3. The inlet air volume conditioning and guiding device for a blower of claim 2, wherein: three groups of air inlets are circumferentially arranged on the air quantity adjusting plate (201) from outside to inside and are respectively a first air inlet (201a), a second air inlet (201b) and a third air inlet (201c), and annular stop blocks (204) are arranged in the three groups of air inlets.
4. The inlet air volume adjusting and guiding device for a blower according to claim 3, wherein: the wind shielding piece (202) comprises a first wind shielding plate (202a), a second wind shielding plate (202b) and a third wind shielding plate (202c), a first wind shielding cylinder (202a-1) is circumferentially arranged on the first wind shielding plate (202a), a second wind shielding cylinder (202b-1) is circumferentially arranged on the second wind shielding plate (202b), a third wind shielding cylinder (202c-1) is circumferentially arranged on the third wind shielding plate (202c), and the three groups of wind shielding cylinders are the same in length and smaller in diameter than the inner diameter of the air inlet and larger than the inner diameter of the annular stopper (204).
5. The inlet air volume conditioning and guiding device for a blower of claim 4 wherein: the middle of the first wind shield (202a) is provided with a first round hole (202a-2), the middle of the second wind shield (202b) is provided with a second round hole (202b-2), the diameter of the first round hole (202a-2) is the same as that of the second wind shield (202b), and the diameter of the second round hole (202b-2) is the same as that of the third wind shield (202 c).
6. The inlet air volume adjusting and guiding device for a blower according to claim 5, wherein: the first wind shield plate (202a), the second wind shield plate (202b) and the third wind shield plate (202c) are arranged on the fixed section (203b) at equal intervals, the first wind shield plate (202a) is connected with the fixed section (203b) through a first fixing rod (202a-3), the second wind shield plate (202b) is connected with the fixed section (203b) through a second fixing rod (202b-3), and the third wind shield plate (202c) is movably sleeved on the fixed section (203 b).
7. The inlet air volume adjusting and guiding device for a blower according to claim 6, wherein: a sliding groove (203c) is formed in the fixing section (203b), the second fixing rod (202b-3) penetrates through the sliding groove (203c), and a spring (203e) connected with the second fixing rod (202b-3) is arranged in the sliding groove (203 c).
8. The inlet air volume adjusting and guiding device for a blower of claim 7, wherein: the annular stop block (204) in the third air inlet (201c) is made of a magnetic block, the top of the third wind shielding cylinder (202c-1) is provided with the magnetic block, the magnetic block and the magnetic block are different in magnetism, and the fixed section (203b) is provided with a limit block (203d) for limiting the third wind shielding plate (202 c).
9. The inlet air volume adjusting and guiding device for a blower according to any one of claims 1 to 8, wherein: the flow guide cylinder (301) is mounted on the current collector section (102) through fixing ribs (303), a cylindrical block (304) is arranged at the center of the flow guide cylinder (301), and the flow equalizing plate (302) is welded between the cylindrical block (304) and the inner wall of the flow guide cylinder (301).
10. The inlet air volume conditioning and guiding device for a blower of claim 9, wherein: the flow equalizing plates (302) are provided with five groups, the flow equalizing plates (302) form 72 degrees with each other, and five groups of welding grooves are formed in the cylindrical blocks (304) at equal intervals in the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210475874.7A CN115013339B (en) | 2022-04-29 | 2022-04-29 | Air quantity adjusting and guiding device for inlet of air feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210475874.7A CN115013339B (en) | 2022-04-29 | 2022-04-29 | Air quantity adjusting and guiding device for inlet of air feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115013339A true CN115013339A (en) | 2022-09-06 |
| CN115013339B CN115013339B (en) | 2023-06-23 |
Family
ID=83066488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210475874.7A Active CN115013339B (en) | 2022-04-29 | 2022-04-29 | Air quantity adjusting and guiding device for inlet of air feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115013339B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116930434A (en) * | 2023-09-19 | 2023-10-24 | 山西智达建筑工程检测有限公司 | Indoor pollutant detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678997A (en) * | 2018-07-03 | 2018-10-19 | 满洲里达赉湖热电有限公司 | Unilateral side support centrifugal blower entrance constant-current stabilizer |
| CN210106198U (en) * | 2019-06-24 | 2020-02-21 | 江苏环宇风机科技有限公司 | Filtering type centrifugal fan with adjustable air intake |
| CN112576538A (en) * | 2020-12-29 | 2021-03-30 | 王翔 | Fan air door opening and closing device |
| US20210340995A1 (en) * | 2018-11-07 | 2021-11-04 | ebm-papst AB | Air guide arrangement for a ventilation system |
| CN215370322U (en) * | 2021-07-14 | 2021-12-31 | 四川华能泸定水电有限公司 | Automatic air volume control device of fan |
-
2022
- 2022-04-29 CN CN202210475874.7A patent/CN115013339B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678997A (en) * | 2018-07-03 | 2018-10-19 | 满洲里达赉湖热电有限公司 | Unilateral side support centrifugal blower entrance constant-current stabilizer |
| US20210340995A1 (en) * | 2018-11-07 | 2021-11-04 | ebm-papst AB | Air guide arrangement for a ventilation system |
| CN210106198U (en) * | 2019-06-24 | 2020-02-21 | 江苏环宇风机科技有限公司 | Filtering type centrifugal fan with adjustable air intake |
| CN112576538A (en) * | 2020-12-29 | 2021-03-30 | 王翔 | Fan air door opening and closing device |
| CN215370322U (en) * | 2021-07-14 | 2021-12-31 | 四川华能泸定水电有限公司 | Automatic air volume control device of fan |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116930434A (en) * | 2023-09-19 | 2023-10-24 | 山西智达建筑工程检测有限公司 | Indoor pollutant detection device |
| CN116930434B (en) * | 2023-09-19 | 2023-11-17 | 山西智达建筑工程检测有限公司 | Indoor pollutant detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115013339B (en) | 2023-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202260790U (en) | Air-cooling device of servo motor | |
| CN205503562U (en) | Take centrifugal fan spiral case of water conservancy diversion structure | |
| CN115013339A (en) | Air blower inlet air volume adjusting and guiding device | |
| CN205101263U (en) | Bilobed wheel axial -flow blower | |
| CN202470333U (en) | Air conditioner | |
| CN111779686A (en) | Distributed air duct fan capable of expanding blowing area | |
| CN105546647A (en) | Axial flow cabinet | |
| CN103245042B (en) | A kind of air-conditioner | |
| CN206595818U (en) | A kind of motor with temperature with high efficiency function | |
| CN205316611U (en) | Be applied to air duct device of clarifier | |
| CN114857090A (en) | Air supply blower air volume adjusting and guiding device | |
| CN105570991A (en) | Axial flow cabinet air conditioner | |
| CN211623768U (en) | High-efficient centrifugal induced fan of big air current | |
| CN215058444U (en) | Distributed air duct fan based on centrifugal fan | |
| CN211573813U (en) | Integrated high-speed fan | |
| CN210141211U (en) | Centrifugal fan and air conditioner | |
| CN104358695B (en) | Blower fan system and air-conditioner | |
| CN210397174U (en) | Bidirectional drainage fan with double-air-duct structure | |
| KR20120122750A (en) | Fan and growing system | |
| CN108592215B (en) | Air duct structure, air outlet device and air conditioner | |
| CN1614242A (en) | Counter-rotary axial fan with adjustable inlet guide vanes | |
| CN215719783U (en) | Efficient resistance-reducing cross-flow wind wheel | |
| US20200291965A1 (en) | Blower assembly and methods of assembling the same | |
| CN215860879U (en) | High-speed fan | |
| CN205807399U (en) | A kind of pulverized coal concentrator structure of inside and outside deep or light real-time, tunable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |