CN117267832A - Adjustable ventilation purification device for platform door and manufacturing method thereof - Google Patents
Adjustable ventilation purification device for platform door and manufacturing method thereof Download PDFInfo
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- CN117267832A CN117267832A CN202311569773.7A CN202311569773A CN117267832A CN 117267832 A CN117267832 A CN 117267832A CN 202311569773 A CN202311569773 A CN 202311569773A CN 117267832 A CN117267832 A CN 117267832A
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- platform door
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- 238000009423 ventilation Methods 0.000 title claims abstract description 116
- 238000000746 purification Methods 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 56
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 238000004062 sedimentation Methods 0.000 claims abstract description 33
- 239000012528 membrane Substances 0.000 claims abstract description 31
- 238000003466 welding Methods 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 238000000926 separation method Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 230000005684 electric field Effects 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/183—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering by centrifugal separation, e.g. using vortices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention relates to a platform door adjustable ventilation and purification device and a manufacturing method thereof. The ventilation window is controlled to open and close to realize ventilation of the platform side and the track side, the opening angle of the ventilation blade is changed to control the air inlet quantity of the platform, and the environmental temperature of the platform side can be changed by adjusting the air inlet quantity. In the manufacturing process of the first filtering membrane group, the dust collecting tank is communicated with part of the pipe body of the sedimentation grid, one end of the sedimentation grid, which is far away from the welding operation, is fixed through the limiting seat, one end of the sedimentation grid pipe body, which is close to the welding operation, is limited and stable through the limiting plate group, the unstable condition caused by ultrasonic welding on the pipe body vibration is reduced, and a plurality of separators, current conductors and rotational flow bodies are sequentially welded and fixed with the plate surface of the dust collecting tank.
Description
Technical Field
The invention relates to the technical field of ventilation equipment, in particular to an adjustable ventilation purifying device for a platform door and a manufacturing method thereof.
Background
In the construction of rail transit projects, a subway platform is commonly provided with a platform door system, and the structural form of the platform door is mainly divided into a full-height shielding door and a half-height safety door; the full-height shielding door is mainly applicable to underground stations, and the half-height safety door is mainly applicable to ground overhead stations. For the totally-enclosed structure of the full-height shielding door, the platform side and the track side of the underground station hall are safely isolated, so that the airflows at the two sides of the full-height shielding door cannot be exchanged.
At present, the underground platform adopts a full-height shielding door structure mostly, and in seasons with proper temperatures in spring and autumn, a ventilation system is started to forcedly ventilate in order to ensure the ventilation of the platform side, so that the energy consumption of the underground platform is increased. By providing ventilation windows at the top of the full-height screen door, ventilation of the platform side and the track side can be achieved by controlling opening and closing of the ventilation windows in non-air-conditioning seasons. The air quality at the platform side can be reduced due to dense personnel and frequent flow in the platform during the passing peak, the air requirement of the inlet track side is not met, and the ventilation size is inconvenient to control by the traditional filtering ventilation window structure, so that the traditional subway platform door system is not suitable for.
Disclosure of Invention
The invention provides an adjustable ventilation and purification device for a platform door and a manufacturing method thereof, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a ventilation purifier with adjustable platform door, includes the mounting frame and sets up ventilation window, first filtration membrane group and the second filtration membrane group on it, first filtration membrane group with the second filtration membrane group corresponds platform side and track side respectively and sets up in the front and back both sides of ventilation window;
the first filtering membrane group comprises a dust collecting groove and a sedimentation grid positioned above the dust collecting groove, the second filtering membrane group comprises an ionization area and a dust collecting area, and the dust collecting area is positioned at one side of the ionization area far away from the ventilation window;
the ventilation window includes power device, ventilation blade and connecting plate, ventilation blade is provided with a plurality ofly along first direction side by side and all through setting up the crank on it with the connecting plate links to each other, ventilation blade through set up the pivot on it with the installation frame rotates to be connected, power device with arbitrary ventilation blade's pivot links to each other.
Further, the sedimentation grid comprises a flow guide body, a cyclone body and a separation body which are sequentially arranged in the second direction, wherein a plurality of flow guide bodies, cyclone bodies and separation bodies are uniformly arranged at intervals along the first direction;
the cyclone bodies are correspondingly arranged with gaps between two adjacent flow guiding bodies, the separating bodies are correspondingly arranged with gaps between two adjacent cyclone bodies, and the first direction and the second direction are vertically arranged in a horizontal plane.
Further, the flow guide body, the cyclone body and the separation body are all in cylindrical pipe structures, and one side of the cyclone body and one side of the separation body, which are far away from the ventilation window, are provided with openings;
the cyclone body and the bottom end of the separating body are communicated with the dust collecting groove, and a first guide plate and a second guide plate are respectively arranged on one side of the cyclone body, which faces the ventilating window, of the cyclone body.
Further, the first guide plate and the second guide plate are both arranged towards the second direction, and the first guide plate corresponds to the opening on the separating body and is positioned between two adjacent cyclone bodies;
the second guide plates are arranged corresponding to gaps between two adjacent separating bodies and are positioned between the two adjacent separating bodies, and the openings of the rotational flow bodies are arranged corresponding to the gaps between the two adjacent guide bodies.
Further, corrugated surfaces are arranged on the inner walls of the cyclone body and the separating body, and the corrugated surfaces are arranged towards the opening.
Further, two sides of the width of the ventilation blade are respectively provided with a limit groove and a pressing plate which are mutually overlapped;
the crank with the connecting plate rotates to be connected the connecting plate orientation ventilation vane's one side is provided with the notch, the notch corresponds the crank with the junction of connecting plate is provided with a plurality of.
Further, the ionization area and the dust collection area are respectively provided with an ionization wire and a dust collection plate, the dust collection plates are arranged at intervals along the first direction, the ionization wire is arranged between two adjacent dust collection plates, and the ionization wire and the dust collection plates generate electric fields with opposite polarities after being electrified.
A manufacturing method of an adjustable platform door ventilation and purification device is applied to the adjustable platform door ventilation and purification device, and comprises the following steps:
in the manufacturing process of the first filtering system, two ends of a plurality of current conductors, cyclone bodies and separating bodies in the sedimentation grid are respectively and fixedly connected with a top plate and a bottom plate at the front side of the installation frame through ultrasonic welding;
taking a ventilation blade at the middle position of a ventilation window as a driving blade, coaxially sleeved with a connecting shaft at the top of a rotating shaft of the driving blade, and protruding the top of a mounting frame to be connected with a power device;
the ventilation blade is arranged into a plate structure, overlapping areas which can be matched with each other are arranged on two sides of the width of the ventilation blade, and the ventilation blade is manufactured by adopting aluminum alloy extrusion profiles.
Further, in the welding process of sedimentation grid and installing frame front side bottom plate, carry out spacingly through the one end of a plurality of body in the spacing seat to sedimentation grid, cooperation limiting plate group carries out the stability of welding process spacing to the one end of keeping away from spacing seat, wherein:
firstly, one ends of a plurality of separating bodies are welded and fixed with a bottom plate through the first limiting plate matched with a limiting seat;
secondly, one ends of a plurality of current conductors are welded and fixed with the bottom plate through the second limiting plate matched with the limiting seat;
and finally, one ends of the rotating bodies are welded and fixed with the bottom plate through the third limiting plate matched with the limiting seat.
Further, a plurality of limit posts are arranged on one side of the limit seat, and the arrangement of the limit posts is correspondingly arranged with the distribution of a plurality of pipe bodies in the sedimentation grid;
a plurality of first limiting blocks are arranged on one side of the first limiting plate along the length direction of the first limiting plate, a plurality of second limiting blocks are arranged on one side of the third limiting plate along the length direction of the third limiting plate, and the widths of the first limiting blocks and the second limiting blocks are respectively matched with the widths of the openings on the separating body and the cyclone body;
the second limiting plate comprises a first clamping plate and a second clamping plate which are matched up and down, a plurality of third limiting blocks and a plurality of fourth limiting blocks are respectively arranged on one side of the first clamping plate and one side of the second clamping plate along the length direction of the first clamping plate and one side of the second clamping plate, a first clamping groove and a second clamping groove are respectively formed in the third limiting block and the fourth limiting block correspondingly to the flow guiding body, the first clamping groove and the second clamping groove are all arranged to be semicircular arc grooves, and the notch is relatively arranged.
The beneficial effects of the invention are as follows:
in the invention, the first filtering membrane group is provided with a dust collection separation zone, and specifically comprises a dust collection groove positioned below a sedimentation grid; the sedimentation grille separates suspended matters in the air from the air by utilizing a centrifugal principle, then slowly reaches the dust collection tank under the action of gravity, and finally is collected and discharged through the dust collection tank. The second filtering membrane group comprises an ionization area connected with the ventilating window, the rear part of the ionization area is connected with a dust collecting area, and the dust is stopped through electrostatic adsorption. The filtering and purifying functions of the passing air are realized through the first filtering membrane group and the second filtering membrane group which are arranged on the front side and the rear side of the ventilating window.
The ventilation window is controlled to open and close to realize ventilation of platform side and track side air, and when any ventilation blade is driven to rotate by the power device, the ventilation blade drives the connecting plate to move through a crank on the ventilation blade, and then the connecting plate drives a plurality of other ventilation blades to rotate. The opening angle of the ventilation blades in the ventilation window is changed to control the air inlet amount of the platform, and the environmental temperature at the side of the platform can be changed by adjusting the air inlet amount.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic view of a ventilation and purification apparatus according to the present invention;
FIG. 2 is a schematic diagram of the mechanism of the ventilation and purification device of the present invention;
FIG. 3 is a schematic cross-sectional view of a ventilation and purification apparatus according to the present invention;
FIG. 4 is a schematic view of a ventilation window according to the present invention;
FIG. 5 is a schematic view of the installation of a plurality of ventilation blades in the present invention;
FIG. 6 is a schematic representation of the actuation of a plurality of ventilation blades in accordance with the present invention;
FIG. 7 is a schematic view showing the distribution of the tubes in the sedimentation grid according to the present invention;
FIG. 8 is a schematic view of the corrugated surface in a cyclone or separator body of the present invention;
FIG. 9 is a front view of a second filtration membrane module of the present invention;
FIG. 10 is a schematic diagram illustrating the cooperation between the limiting seat and the first limiting plate according to the present invention;
FIG. 11 is a schematic diagram of the welding of a separator to a base plate in the present invention;
FIG. 12 is a schematic diagram illustrating the cooperation between the limiting seat and the second limiting plate according to the present invention;
FIG. 13 is a schematic diagram of welding a conductive body to a base plate according to the present invention;
FIG. 14 is a schematic diagram illustrating the cooperation between the limiting seat and the third limiting plate according to the present invention;
FIG. 15 is a schematic view of the welding of a cyclone body to a base plate in accordance with the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The adjustable ventilation and purification device for the platform door as shown in fig. 1 to 9 comprises a mounting frame 1, a ventilation window 2 arranged on the mounting frame, a first filtering membrane group 3 and a second filtering membrane group 4, wherein the first filtering membrane group 3 and the second filtering membrane group 4 are respectively arranged on the front side and the rear side of the ventilation window 2 corresponding to the platform side and the track side; the first filtering membrane group 3 comprises a dust collecting groove 31 and a sedimentation grid 32 positioned above the dust collecting groove, the second filtering membrane group 4 comprises an ionization region 41 and a dust collecting region 42, and the dust collecting region 42 is positioned at one side of the ionization region 41 away from the ventilation window 2; the ventilation window 2 includes a power device 21, ventilation blades 22 and a connecting plate 23, the ventilation blades 22 are arranged in parallel along a first direction and are connected with the connecting plate 23 through cranks 221 arranged thereon, the ventilation blades 22 are rotatably connected with the mounting frame 1 through a rotating shaft 222 arranged thereon, and the power device 21 is connected with the rotating shaft 222 of any ventilation blade 22.
In the present invention, the first filtering membrane group 3 is provided with a dust collection separation zone, and specifically includes a dust collection tank 31 located below a sedimentation grid 32; wherein the sedimentation grille 32 separates suspended matters in the air from the air by utilizing a centrifugal principle, then slowly reaches the dust collection groove 31 under the action of gravity, and finally is collected and discharged through the dust collection groove 31. The second filtering membrane group 4 comprises an ionization area 41 connected with the ventilation window 2, the rear part of the ionization area 41 is connected with a dust collection area 42, and the dust is stopped by electrostatic adsorption. The filtering and purifying functions of the passing air are realized through the first filtering membrane group 3 and the second filtering membrane group 4 which are arranged on the front side and the rear side of the ventilation window 2.
The ventilation window 2 is controlled to open and close to realize ventilation of platform side and track side air, and when any ventilation blade 22 is driven to rotate by the power device 21, the ventilation blade 22 drives the connecting plate 23 to move through a crank 221 on the ventilation blade 22, and then the connecting plate 23 drives the rest ventilation blades 22 to rotate. The opening angle change of the ventilation blades 22 in the ventilation window 2 controls the air intake of the platform, and the environmental temperature at the side of the platform can be changed by adjusting the air intake.
As shown in the structure of the sedimentation grid 32 of fig. 7, the sedimentation grid 32 includes a flow guide body 321, a cyclone body 322, and a separation body 323 sequentially arranged in the second direction, the flow guide body 321, the cyclone body 322, and the separation body 323 being provided in plurality at equal intervals along the first direction; the swirling body 322 is disposed in correspondence with a gap between two adjacent swirling bodies 321, the separation body 323 is disposed in correspondence with a gap between two adjacent swirling bodies 322, and the first direction and the second direction are disposed vertically in a horizontal plane.
The flow guide body 321, the cyclone body 322 and the separation body 323 are all in cylindrical pipe structures, and one side of the cyclone body 322 and one side of the separation body 323, which are far away from the ventilation window 2, are provided with openings; the bottom ends of the cyclone body 322 and the separating body 323 are communicated with the dust collecting groove 31, and a first deflector 321a and a second deflector 322a are respectively arranged on one side of the deflector 321 and one side of the cyclone body 322 facing the ventilation window 2.
The first deflector 321a and the second deflector 322a are both arranged towards the second direction, and the first deflector 321a corresponds to the upper opening of the separator 323 and is positioned between two adjacent rotating bodies 322; the second guide plate 322a is disposed corresponding to the gap between two adjacent separators 323, and is located between two adjacent separators 323, and the opening of the cyclone 322 is disposed corresponding to the gap between two adjacent baffles 321.
The first filtering system is used as a front purification module, the sedimentation grille 32 comprises a front guide body 321, a middle cyclone body 322 and a separation body 323 at the rear air outlet, dust accumulation separation areas are arranged in the cyclone body 322 and the separation body 323, and the bottom is communicated with the dust collection groove 31; the cross section of the front guide body 321 is in a drop shape, the cross section of the head is in a semicircle shape, and the cyclone body 322 and the separation body 323 are in a round shape; the centrifugal principle of the sedimentation grid 32 enables suspended matters in the air to be separated from the air and then to be subjected to sedimentation and dust removal through the action of gravity.
Further, the cross section of the front guiding body 321 is in a drop shape, the cross section of the head is in a semicircle shape and faces the air inlet, and the tail is provided with a first guiding plate 321a extending backwards to guide, accelerate, collect and turn the entering air; the front end of the middle cyclone body 322 is provided with a notch, the rear end is provided with a second guide plate 322a, and inertial gravity sedimentation is carried out on the air flow in the middle part of the front guide body 321; the separator 323 is in a shape of a circular segment, and suspended matters and the like in the air form a dust accumulation separation area in a hollow area of the separator 323 with low flow rate by utilizing the centrifugal inertia effect, slowly reach the dust collection groove 31 by gravity, and finally are collected and discharged through the dust collection groove 31.
Referring specifically to fig. 7, the high impurity air flow passes through the space between two adjacent flow guiding bodies 321 and enters the cavity of the cyclone body 322 to be intercepted, and the air flow is smoothed after striking the cavity wall, so that the impurities can be settled; the low impurity air flow in the cavity of the cyclone body 322 overflows from two sides, and the overflowed air flow drives the diversion of the high impurity air flow; the first baffle 321a at the rear end of the flow guide 321 allows the remaining high impurity gas flow to enter the cavity of the rear separator 323, and similarly allows the low impurity gas flow to overflow from both sides of the separator 323.
As a preferable example of the above embodiment, the inner walls of the cyclone body 322 and the separator 323 are provided with the corrugated surface 323a, and the corrugated surface 323a is provided toward the opening. The corrugated surface 323a facing the opening can turn the airflow to various directions after impact, so that the airflow slowing efficiency is accelerated.
With further reference to the structure of the ventilation blade 22 shown in fig. 5 and 6, a limit groove 223 and a pressing plate 224, which are overlapped with each other, are respectively provided at both sides of the width of the ventilation blade 22; the crank 221 is rotatably connected with the connecting plate 23, a plurality of notches 231 are arranged on one side of the connecting plate 23 facing the ventilation blades 22, and the notches 231 are arranged at the connecting positions of the crank 221 and the connecting plate 23.
The ventilation blades 22 are of a plate structure and are manufactured by adopting aluminum alloy extruded profiles, the two sides of the width are provided with blade overlapping areas, and when the ventilation window 2 is closed, the ventilation blades 22 are mutually overlapped to realize the sealing of the ventilation window 2.
In the working process of the ventilation window 2, the power device 21 is electrified to provide a rotating torque to drive the active ventilation blades 22 to rotate, the driving crank 221 on the active ventilation blades 22 drives the connecting plate 23 to move, the connecting plate 23 drives the crank 221 on each ventilation blade 22 to rotate, and each crank 221 drives the rotating shaft 222 of each ventilation blade 22 to rotate so as to deflect the blades by one angle, so that the synchronous action of all ventilation blades 22 is finally realized.
As shown in fig. 9, in the second filtering membrane group 4, an ionization wire 411 and a dust collection plate 421 are respectively disposed in the ionization area 41 and the dust collection area 42, the dust collection plates 421 are disposed at intervals along the first direction, the ionization wire 411 is disposed between two adjacent dust collection plates 421, and after the ionization wire 411 and the dust collection plates 421 are electrified, electric fields with opposite polarities are generated.
The second filtering membrane group 4 is used as a post-static adsorption module and comprises an ionization area 41 connected with the ventilation window 2, the ionization area 41 is composed of an ionization wire 411 and an electrode, a direct-current high voltage (positive voltage) is applied to the ionization wire 411, a corona discharge phenomenon is generated on the surface of the ionization wire 411, suspended matters in air obtain charges when passing through the ionization area 41, and the larger the particle size of the suspended matters is, the more the obtained charge quantity is. The rear part of the ionization region 41 is connected with a dust collection region 42, and the ionization region is composed of a plurality of groups of parallel high-voltage dust collection plates 421 and grounding electrode plates, wherein the positive dust collection plate 421 and the negative dust collection plate 421 are arranged in a crossed parallel manner to generate a uniform electric field. The positively charged suspended particles are attracted to the negative suction plate 421 after being repelled by the anode plate as the air flow enters the uniform electric field formed by the positive and negative suction plates 421.
The invention further discloses a manufacturing method of the platform door adjustable ventilation and purification device, which is specifically shown in fig. 10 to 15, and is applied to the platform door adjustable ventilation and purification device, and comprises the following steps:
in the manufacturing process of the first filtering system, two ends of a plurality of flow guides 321, a cyclone body 322 and a separation body 323 in the sedimentation grid 32 are respectively fixedly connected with a top plate 11 and a bottom plate 12 at the front side of the installation frame 1 through ultrasonic welding; the ventilating blades 22 at the middle position of the ventilating window 2 are used as driving blades, a connecting shaft 225 is coaxially sleeved at the top of a rotating shaft 222 of the ventilating blades, and the top of the protruding mounting frame 1 is connected with the power device 21; the ventilation blades 22 are provided in a plate structure, overlapping areas capable of being matched with each other are arranged on two sides of the width of the ventilation blades 22, and the ventilation blades 22 are made of aluminum alloy extruded profiles.
In the structure of the first filtering membrane group 3, the dust collecting groove 31 is communicated with a part of the pipe body of the sedimentation grating 32, the bottom of the pipe body is required to be accurately fixed with the plate surface of the dust collecting groove 31, in the traditional ultrasonic welding process, after one end of the pipe body is fixed through the limiting seat 5, the other end is subjected to ultrasonic welding, so that one end far away from the limiting seat 5 is unstable due to self fixation caused by vibration in the welding process, and the welding quality is affected.
As a preferred embodiment of the present invention, in the welding process of the sedimentation grille 32 and the front bottom plate 12 of the installation frame 1, one end of a plurality of pipe bodies in the sedimentation grille 32 is limited by the limiting seat 5, and the end far from the limiting seat 5 is stably limited by the matching limiting plate set 6, wherein: firstly, one ends of a plurality of separating bodies 323 are welded and fixed with a bottom plate 12 through the first limiting plate 61 matched with the limiting seat 5, as shown in fig. 10 and 11; secondly, one ends of a plurality of current conductors 321 are welded and fixed with the bottom plate 12 through the second limiting plate 62 matched with the limiting seat 5, as shown in fig. 12 and 13; finally, one ends of the plurality of rotating bodies 322 are welded and fixed with the bottom plate 12 through the third limiting plate 63 matched with the limiting seat 5, as shown in fig. 14 and 15.
Specifically, a plurality of limit posts 51 are arranged on one side of the limit seat 5, and the arrangement of the limit posts 51 is correspondingly arranged with the distribution of a plurality of pipe bodies in the sedimentation grid 32; for securing the sedimentation grid 32 away from the welded end.
A plurality of first limiting blocks 611 are arranged on one side of the first limiting plate 61 along the length direction, a plurality of second limiting blocks 631 are arranged on one side of the third limiting plate 63 along the length direction, and the widths of the first limiting blocks 611 and the second limiting blocks 631 are respectively matched with the widths of the openings on the separating body 323 and the cyclone body 322; the openings on the separating body 323 and the cyclone body 322 are respectively clamped by the first limiting block 611 and the second limiting block 631 on the first limiting plate 61 and the third limiting plate 63 and are arranged near the welding end, so that the unstable condition caused by ultrasonic welding on the vibration of the pipe is reduced.
The second limiting plate 62 includes a first clamping plate 621 and a second clamping plate 622 that are vertically matched, a plurality of third limiting blocks 621a and a plurality of fourth limiting blocks 622a are respectively arranged on one sides of the first clamping plate 621 and the second clamping plate 622 along the length direction, a first clamping groove 621b and a second clamping groove 622b are respectively formed in the third limiting blocks 621a and the fourth limiting blocks 622a corresponding to the current-conducting bodies 321, the first clamping groove 621b and the second clamping groove 622b are respectively arranged as semicircular arc grooves, and the notch 231 is oppositely arranged. The first clamping plate 621 is matched with the second clamping plate 622 and is clamped and fixed from two sides of the fluid director 321 by utilizing a third limiting block 621a and a fourth limiting block 622a on the second clamping plate 622.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a ventilation purifier with adjustable platform door, its characterized in that includes the mounting frame and sets up ventilation window, first filtration membrane group and second filtration membrane group on it, first filtration membrane group with second filtration membrane group corresponds platform side and track side respectively and sets up in the front and back both sides of ventilation window;
the first filtering membrane group comprises a dust collecting groove and a sedimentation grid positioned above the dust collecting groove, the second filtering membrane group comprises an ionization area and a dust collecting area, and the dust collecting area is positioned at one side of the ionization area far away from the ventilation window;
the ventilation window includes power device, ventilation blade and connecting plate, ventilation blade is provided with a plurality ofly along first direction side by side and all through setting up the crank on it with the connecting plate links to each other, ventilation blade through set up the pivot on it with the installation frame rotates to be connected, power device with arbitrary ventilation blade's pivot links to each other.
2. The platform door adjustable ventilation and purification device according to claim 1, wherein the sedimentation grid comprises a flow guide body, a cyclone body and a separation body which are sequentially arranged in a second direction, and a plurality of flow guide bodies, cyclone bodies and separation bodies are uniformly arranged at intervals along a first direction;
the cyclone bodies are correspondingly arranged with gaps between two adjacent flow guiding bodies, the separating bodies are correspondingly arranged with gaps between two adjacent cyclone bodies, and the first direction and the second direction are vertically arranged in a horizontal plane.
3. The platform door adjustable ventilation and purification device according to claim 2, wherein the diversion body, the cyclone body and the separation body are all in a cylindrical pipe structure, and the cyclone body and the separation body are arranged in an opening way at one side far away from the ventilation window;
the cyclone body and the bottom end of the separating body are communicated with the dust collecting groove, and a first guide plate and a second guide plate are respectively arranged on one side of the cyclone body, which faces the ventilating window, of the cyclone body.
4. A platform door adjustable ventilation and purification device according to claim 3, wherein the first deflector and the second deflector are both arranged towards the second direction, and the first deflector corresponds to the opening on the separating body and is located between two adjacent cyclone bodies;
the second guide plates are arranged corresponding to gaps between two adjacent separating bodies and are positioned between the two adjacent separating bodies, and the openings of the rotational flow bodies are arranged corresponding to the gaps between the two adjacent guide bodies.
5. A platform door adjustable ventilation and purification apparatus according to claim 3, wherein corrugated surfaces are provided on the inner walls of the cyclone body and the separator body, the corrugated surfaces being provided facing the opening.
6. The adjustable ventilation and purification device of the platform door according to claim 1, wherein a limit groove and a pressing plate which are overlapped with each other are respectively arranged on two sides of the width of the ventilation blade;
the crank with the connecting plate rotates to be connected the connecting plate orientation ventilation vane's one side is provided with the notch, the notch corresponds the crank with the junction of connecting plate is provided with a plurality of.
7. The platform door adjustable ventilation and purification device according to claim 1, wherein an ionization wire and a dust collection plate are respectively arranged in the ionization area and the dust collection area, the dust collection plates are arranged at intervals along a first direction, the ionization wire is arranged between two adjacent dust collection plates, and the ionization wire and the dust collection plate generate electric fields with opposite polarities after being electrified.
8. A method for manufacturing an adjustable ventilation and purification device for a platform door, which is characterized by being applied to the adjustable ventilation and purification device for the platform door according to any one of claims 1 to 7, and comprising the following steps:
in the manufacturing process of the first filtering system, two ends of a plurality of current conductors, cyclone bodies and separating bodies in the sedimentation grid are respectively and fixedly connected with a top plate and a bottom plate at the front side of the installation frame through ultrasonic welding;
taking a ventilation blade at the middle position of a ventilation window as a driving blade, coaxially sleeved with a connecting shaft at the top of a rotating shaft of the driving blade, and protruding the top of a mounting frame to be connected with a power device;
the ventilation blade is arranged into a plate structure, overlapping areas which can be matched with each other are arranged on two sides of the width of the ventilation blade, and the ventilation blade is manufactured by adopting aluminum alloy extrusion profiles.
9. The method for manufacturing an adjustable platform door ventilation and purification device according to claim 8, wherein in the welding process of the sedimentation grille and the bottom plate at the front side of the installation frame, one end of a plurality of pipe bodies in the sedimentation grille is limited by the limiting seat, and the end far away from the limiting seat is stably limited by the limiting plate group, wherein:
firstly, one ends of a plurality of separating bodies are welded and fixed with a bottom plate through the first limiting plate matched with a limiting seat;
secondly, one ends of a plurality of current conductors are welded and fixed with the bottom plate through the second limiting plate matched with the limiting seat;
and finally, one ends of the rotating bodies are welded and fixed with the bottom plate through the third limiting plate matched with the limiting seat.
10. The method for manufacturing an adjustable ventilation and purification device for a platform door according to claim 9, wherein a plurality of limit posts are arranged on one side of the limit seat, and the arrangement of the plurality of limit posts is arranged corresponding to the distribution of a plurality of pipe bodies in the sedimentation grid;
a plurality of first limiting blocks are arranged on one side of the first limiting plate along the length direction of the first limiting plate, a plurality of second limiting blocks are arranged on one side of the third limiting plate along the length direction of the third limiting plate, and the widths of the first limiting blocks and the second limiting blocks are respectively matched with the widths of the openings on the separating body and the cyclone body;
the second limiting plate comprises a first clamping plate and a second clamping plate which are matched up and down, a plurality of third limiting blocks and a plurality of fourth limiting blocks are respectively arranged on one side of the first clamping plate and one side of the second clamping plate along the length direction of the first clamping plate and one side of the second clamping plate, a first clamping groove and a second clamping groove are respectively formed in the third limiting block and the fourth limiting block correspondingly to the flow guiding body, the first clamping groove and the second clamping groove are all arranged to be semicircular arc grooves, and the notch is relatively arranged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311569773.7A CN117267832B (en) | 2023-11-23 | 2023-11-23 | Adjustable ventilation purification device for platform door and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311569773.7A CN117267832B (en) | 2023-11-23 | 2023-11-23 | Adjustable ventilation purification device for platform door and manufacturing method thereof |
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| CN117267832A true CN117267832A (en) | 2023-12-22 |
| CN117267832B CN117267832B (en) | 2024-01-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117628620A (en) * | 2024-01-26 | 2024-03-01 | 中国铁路设计集团有限公司 | Intelligent platform door ventilation system and control method thereof |
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| Publication number | Publication date |
|---|---|
| CN117267832B (en) | 2024-01-30 |
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