CN114659210A - A ventilation unit for building engineering building - Google Patents
A ventilation unit for building engineering building Download PDFInfo
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- CN114659210A CN114659210A CN202210386563.3A CN202210386563A CN114659210A CN 114659210 A CN114659210 A CN 114659210A CN 202210386563 A CN202210386563 A CN 202210386563A CN 114659210 A CN114659210 A CN 114659210A
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- 238000009423 ventilation Methods 0.000 title claims abstract description 49
- 239000004576 sand Substances 0.000 claims abstract description 344
- 238000007790 scraping Methods 0.000 claims abstract description 183
- 238000001914 filtration Methods 0.000 claims abstract description 60
- 238000005192 partition Methods 0.000 claims abstract description 20
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 3
- 238000009435 building construction Methods 0.000 claims 9
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000241 respiratory effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 244000035744 Hura crepitans Species 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 206010010904 Convulsion Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
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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
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/08—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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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
-
- 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
- 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
- F24F8/108—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 using dry filter elements
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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
- F24F8/90—Cleaning of purification apparatus
-
- 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
- F24F2007/001—Ventilation with exhausting air ducts
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The application relates to the technical field of house construction ventilation, in particular to a ventilation device for a house construction engineering building, which comprises an air inlet pipe, an exhaust fan, an air outlet pipe and an exhaust fan; the exhaust fan is used for sucking outdoor air to the indoor space through the air inlet pipe, and the exhaust fan is used for sucking indoor air to the outdoor space; a sand filtering mechanism is arranged on the air inlet pipe; the sand filtering mechanism comprises a sand filtering box, a partition plate and a sand filtering net, wherein the partition plate is arranged in the sand filtering box and divides the sand filtering box into a first chamber and a second chamber; the partition plate is provided with an air passing port communicated with the first cavity and the second cavity, and the sand filter screen is arranged in the air passing port; an air inlet for ventilation is formed in the first cavity, and the air inlet pipe is communicated with the second cavity; and the sand filtering net is also provided with a sand scraping mechanism for scraping sand from the wind sand filtered by the sand filtering net. This application is through straining husky the processing to the sand blown by the wind in the ventilation air, can improve indoor ventilation quality, and then guarantee indoor personnel's respiratory quality.
Description
Technical Field
The application relates to the technical field of ventilation in houses, in particular to a ventilation device for buildings in houses.
Background
In some areas, the wind sand is large, and doors and windows have to be closed in residential areas to prevent the wind sand from entering the rooms, so that the indoor ventilation efficiency is seriously influenced, and the ventilation effect is greatly influenced. Meanwhile, when the indoor environment is in a state of unsmooth ventilation for a long time, people living indoors are prone to adverse symptoms such as unsmooth respiration, and the normal life of people is seriously affected. Therefore, further improvements can be made.
Disclosure of Invention
In order to improve indoor ventilation quality, and then ensure indoor personnel's respiratory quality, this application provides a ventilation unit for building engineering building.
The application provides a ventilation unit for building engineering building adopts following technical scheme:
a ventilation device for a building engineering construction comprises an air inlet pipe, an exhaust fan, an air outlet pipe and an exhaust fan; the exhaust fan is used for sucking outdoor air to the indoor space through the air inlet pipe, and the exhaust fan is used for sucking indoor air to the outdoor space; a sand filtering mechanism is arranged on the air inlet pipe; the sand filtering mechanism comprises a sand filtering box, a partition plate and a sand filtering net, wherein the partition plate is arranged in the sand filtering box and divides the sand filtering box into a first chamber and a second chamber; the partition plate is provided with an air passing port communicated with the first cavity and the second cavity, and the sand filter screen is arranged in the air passing port; the first chamber is provided with an air inlet for ventilation, and the air inlet pipe is communicated with the second chamber; and the sand filtering net is also provided with a sand scraping mechanism for scraping sand filtered by the sand filtering net.
By adopting the technical scheme, in the ventilation process, the outside air is sucked indoors by the exhaust fan through the air inlet, the first cavity, the sand filtering net, the second cavity and the air inlet pipe in sequence, and meanwhile, the exhaust fan discharges the indoor air outdoors through the air outlet pipe, so that the indoor air and the outdoor air can be circulated and ventilated. Simultaneously, at convulsions in-process, outside sand blown by the wind is together through the air intake by the suction to the filter sand incasement, and is filtered through the filter sand net, then is taken out through the sand scraping subassembly and is handled to filter sand to the outside air that is sucked is handled, in order to improve indoor ventilation quality, and then ensures indoor personnel's respiratory quality. Meanwhile, when the sand filtering net and the sand scraping assembly are used for processing the sand blown by the wind, the sand content of the outside air can be gradually reduced, and then the quality of the outside air can be gradually improved, so that environment-friendly ventilation is realized.
Optionally, the sand scraping mechanism includes a sand scraping arm, a sand scraping plate, and a sand scraping driving unit; the sand scraping device is characterized in that one end of the sand scraping arm is rotatably installed on one side, facing the first cavity, of the sand scraping net, the sand scraping driving unit is used for driving the sand scraping arm to rotate, the sand scraping plate is installed on the sand scraping arm, and the sand scraping plate is used for scraping sand blown onto the sand filtering net.
Through adopting above-mentioned technical scheme, at the ventilation in-process, the arm of scraping sand is scraped in the drive of drive unit drive, makes the board of scraping sand rotate the processing of scraping sand to being filtered the sand blown by the wind on the sand screen, makes the sand screen be difficult to be stopped up by the sand blown by the wind, and then can improve the sand screen's sand filtration effect and ventilation effect.
Optionally, a rotating shaft is rotatably mounted on the sand screen, two ends of the rotating shaft respectively penetrate through the first chamber and the second chamber, and the sand scraping driving unit is used for driving the rotating shaft to rotate; one end of the sand scraping arm is provided with a plug-in groove for the plug-in of the rotating shaft towards one end of the first cavity; a T-shaped retraction groove is formed in one end, facing the first cavity, of the rotating shaft, a T-shaped connecting rod is arranged in the retraction groove in a sliding mode, and the connecting rod can be completely retracted into the retraction groove; a connecting hole is formed in the bottom of the inserting groove, and a first pre-jacking spring used for enabling the end part of the connecting rod to be slidably jacked and inserted into the connecting hole is arranged in the retraction groove; and the cross section profiles of the retraction groove, the connecting rod and the connecting hole are all regular polygons.
By adopting the technical scheme, in the process of installing the sand scraping arm, a worker firstly supports the sand scraping arm on the rotating shaft through the insertion groove, and at the moment, the sand scraping arm presses the connecting rod to retract into the retraction groove; then rotate and adjust the arm of scraping sand, when the connecting hole was rotated to the position department of being aligned with the connecting rod, first top spring in advance pushed up the connecting rod top and is inserted in the connecting hole to carry out the location connection to the arm of scraping sand. Because in the installation of arm of scraping sand, the arm of scraping sand remains to support in the pivot all the time, can be convenient for the workman to accomplish the location of arm of scraping sand and connect work and subsequent fixed work.
Optionally, the sand screen comprises a net rack and a filter screen; the net rack comprises an outer frame, an inner frame arranged in the outer frame and a plurality of connecting ribs, and the connecting ribs are used for connecting the outer frame and the inner frame; the filter screen is arranged between the outer frame and the inner frame; one end of the sand scraping arm is rotatably arranged on one side, facing the first cavity, of the inner frame; the two ends of one side, facing the filter screen, of the sand scraping arm are respectively provided with a sand scraping rod, and the two ends of the sand scraping plate are respectively fixedly arranged on the two sand scraping rods; each sand scraping rod comprises a first sub-cylinder, a second sub-cylinder and a second pre-jacking spring; the first sub-cylinder is fixedly arranged on the sand scraping arm, one end of the second sub-cylinder is inserted into one end of the first sub-cylinder, which is far away from the sand scraping arm in a sliding mode, and the sand scraping plate is fixed to one end of the second sub-cylinder, which is far away from the first sub-cylinder; the second pre-jacking spring is arranged in the first sub-cylinder and used for jacking the sand scraping plate on the filter screen.
By adopting the technical scheme, when the sand scraping plate passes through the connecting rib, the connecting rib pushes back the sand scraping plate to enable the second cylinder to retract towards the direction close to the sand scraping arm; in a similar way, after the sand scraping plate crosses the connecting rib, the second pre-jacking spring jacks the second sub-cylinder towards the direction far away from the sand scraping arm, so that the sand scraping plate jacks the filter screen, and the sand scraping plate can always keep jacking the filter screen to clean sand blown on the filter screen. Meanwhile, after the sand scraping plate crosses the position of the connecting rib, the second pre-jacking spring jacks and presses the second sub-cylinder towards the direction far away from the sand scraping arm, so that the sand scraping plate can impact the filter screen for a short time, and wind sand can fall off from the filter screen.
Optionally, the connecting ribs are uniformly arranged around the rotation axis of the sand scraping arm at intervals; each connecting rib is cylindrical, and the two ends of each connecting rib are rotatably connected with the outer side of the inner frame and the inner side of the outer frame respectively.
Through adopting above-mentioned technical scheme, because the connection rib is the cylinder form, and the connection rib both ends rotate with the inside casing outside and frame inboard respectively and be connected, can be convenient for the cleaning shoe and cross the connection rib.
Optionally, a cylindrical sand gathering cover is arranged on one side of the partition plate, which faces the first chamber, and the sand scraping arm is installed in the sand gathering cover; gather husky cover bottom and install and receive the husky pipe, just it runs through to the outside of sand filtering box to receive husky pipe and keep away from to gather husky cover one end.
Through adopting above-mentioned technical scheme, at the arm of scraping sand to being filtered the sand blown by the wind on the sand screen and rotate the cleaning in-process, the sand blown by the wind can constantly be pushed away by the sand scraping plate and sweep to gathering the sand cover position, and constantly drop to gathering sand cover bottom position along gathering the sand cover inner wall, then is carried to the sand filtering box outside through receiving the sand pipe and collects the processing.
Optionally, a sand blocking flange is integrally formed on the inner side of one end, away from the partition plate, of the sand gathering cover.
By adopting the technical scheme, the sand blocking flange is arranged, so that wind sand in the sand gathering cover is not easy to fall out of the sand gathering cover.
Optionally, one end of the sand scraping arm, which is far away from the rotation center of the sand scraping arm, is provided with an auxiliary supporting wheel, and the auxiliary supporting wheel rotates to support the inner wall of the sand gathering cover.
Through adopting above-mentioned technical scheme, at the arm pivoted in-process of scraping sand, the auxiliary stay wheel can carry out auxiliary stay to scraping sand the arm to improve the rotational stability who scrapes sand the arm.
Optionally, the auxiliary supporting wheel comprises a wheel body, a wheel seat and a wheel shaft; the wheel body is rotatably arranged on the wheel seat, and one end of the wheel shaft is fixed on the wheel seat; and one end of the sand scraping arm, which is far away from the rotation center, is provided with a slot for inserting one end of the wheel shaft, which is far away from the wheel seat, and a third pre-jacking spring is installed in the slot and used for jacking the wheel shaft.
Through adopting above-mentioned technical scheme, at the in-process that the wheel auxiliary stay was propped in the assistance, when the assistance propped the position of wheel process and had more sand blown by the wind, the shaft can drive the wheel body and retract, makes the assistance prop the wheel and be difficult for appearing the card situation of dying.
Optionally, the air outlet pipe comprises a first pipe section, and a second pipe section and a third pipe section which are integrally formed at two ends of the first pipe section; the first pipe section is arranged in the air inlet pipe, and one ends, far away from the first pipe section, of the second pipe section and the third pipe section penetrate through the air inlet pipe.
By adopting the technical scheme, in the ventilation process in summer or winter, the indoor and outdoor exhaust air in the first pipe section of the air outlet pipe can exchange heat with the outdoor internal pumped air in the air inlet pipe, so that the energy consumption required for refrigeration in summer or heating in winter can be reduced, and the energy saving performance of indoor ventilation can be further improved.
In summary, the present application includes at least one of the following beneficial technical effects:
in the air draft process, outside wind-blown sand is together through the air intake by the suction to the filter sand incasement, and is filtered through the filter sand net, then is taken out from the processing through the sand scraping subassembly to the outside air that is sucked carries out the filter sand processing, in order to improve indoor ventilation quality, and then ensures indoor personnel's respiratory quality. Meanwhile, when the sand filtering net and the sand scraping assembly are used for treating the wind sand, the sand content of the outside air can be gradually reduced, and the quality of the outside air can be further gradually improved, so that environment-friendly ventilation is realized;
in the ventilation process, the sand scraping driving unit drives the sand scraping arm to rotate, so that the sand scraping plate performs rotating sand scraping treatment on the sand blown onto the sand filter screen, the sand filter screen is not easy to be blocked by the sand blown, and the sand filtering effect and the ventilation effect of the sand filter screen can be improved;
because in the installation of arm of scraping sand, the arm of scraping sand remains to support in the pivot all the time, can be convenient for the workman to accomplish the location of arm of scraping sand and connect work and subsequent fixed work.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a first perspective view for showing the internal structure of the sand filtering box.
Fig. 3 is a second perspective view for showing the internal structure of the sand filtering box.
Fig. 4 is a view for showing a specific installation structure between the sand scraping arm and the rotating shaft, between the sand scraping arm and the auxiliary supporting wheel, and between the sand scraping arm and the sand scraping plate.
Fig. 5 is a view for showing the overall structure of the sand scraping rod.
Description of reference numerals:
1. an air inlet pipe; 2. an exhaust fan; 3. an air outlet pipe; 31. a first tube section; 32. a second tube section; 33. a third tube section; 4. an exhaust fan; 5. a sand filtering mechanism; 51. a sand filtering box; 511. a first chamber; 512. a second chamber; 513. an air inlet; 52. a partition plate; 53. a sand screen; 531. a net frame; 5311. an outer frame; 5312. an inner frame; 5313. a connecting rib; 532. filtering with a screen; 6. a sand scraping mechanism; 61. a sand scraping arm; 62. a sand scraping plate; 63. a sand-scraping drive unit; 631. a sand scraping motor; 632. a transmission belt; 64. a rotating shaft; 641. inserting grooves; 642. a retraction slot; 643. a connecting rod; 644. a first pre-jacking spring; 645. connecting holes; 646. a locking pin; 65. a sand scraping rod; 651. a first split cylinder; 652. a second cylinder; 653. a second pre-jacking spring; 7. a sand gathering cover; 71. collecting sand pipes; 72. a sand collecting box; 73. a sand trap flange; 8. auxiliary supporting wheels; 81. a wheel body; 82. a wheel seat; 83. a wheel axle; 84. a third pre-jacking spring; 100. and (4) indoor.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a ventilation unit for building engineering building.
Referring to fig. 1, the ventilation device for the building engineering construction comprises an air inlet pipe 1, an exhaust fan 2, an air outlet pipe 3 and an exhaust fan 4; the exhaust fan 2 is installed in the room 100, and one end of the air inlet pipe 1 is communicated with the exhaust fan 2, and the other end is communicated with the outside, so that the exhaust fan 2 can suck outdoor air into the room 100 through the air inlet pipe 1. The exhaust fan 4 is installed in the room 100, and one end of the air outlet pipe 3 is communicated with the exhaust fan 4, and the other end is communicated with the outside, so that the exhaust fan 4 can discharge the air in the room 100 to the outside.
During ventilation, external air is sucked into the indoor 100 through the air inlet duct 1 by the suction fan 2, and the exhaust fan 4 exhausts the air in the indoor 100 to the outside through the air outlet duct 3, so that the indoor 100 and the outside can be ventilated in a circulating manner.
Specifically, in the present embodiment, the air outlet pipe 3 includes a first pipe section 31, a second end, and a third pipe section 33; wherein, the first pipe section 31 is installed in the air inlet pipe 1, and the first pipe section 31 is arranged coaxially with the air inlet pipe 1. The second end and the third pipe section 33 are respectively integrally formed at two ends of the first pipe section 31, one end of the second pipe section 32, which is far away from the first pipe section 31, penetrates through the air inlet pipe 1 and extends to the outside, and one end of the third pipe section 33, which is far away from the first pipe section 31, penetrates through the air inlet pipe 1 and is connected to the exhaust fan 4.
In the ventilation process in summer or winter, the air discharged from the indoor 100 in the first pipe section 31 of the air outlet pipe 3 can exchange heat with the air extracted from the outdoor in the air inlet pipe 1, so that the energy consumption required for cooling in summer or heating in winter can be reduced, and the energy saving performance of the ventilation of the indoor 100 can be further improved.
Referring to fig. 1 and 2, in the present embodiment, a sand filtering mechanism 5 is installed at an end of the air inlet pipe 1 away from the exhaust fan 2, and the sand filtering mechanism 5 includes a sand filtering box 51, a partition plate 52 and a sand filtering net 53; the partition plate 52 is vertically installed at the middle position inside the sand filtering box 51, so that the partition plate 52 can divide the inside of the sand filtering box 51 into a first chamber 511 and a second chamber 512. An air vent is formed in the middle of the partition plate 52, so that the first chamber 511 and the second chamber 512 can be communicated through the air vent. The first chamber 511 is provided with an air inlet 513, and the air inlet 513 is communicated with the first chamber 511; one end of the air inlet pipe 1, which is far away from the exhaust fan 2, is communicated with the second chamber 512, so that external air can be sucked into the room 100 by the exhaust fan 2 through the air inlet 513, the first chamber 511, the air passing opening, the second chamber 512 and the air inlet pipe 1 in sequence. The sand screen 53 is installed at the air-passing opening. In the air draft process, when outside wind and sand is sucked to the position of the sand filtering net 53 along with air, the sand filtering net 53 can filter and intercept the wind and sand so as to improve the indoor ventilation quality of 100 and further ensure the breathing quality of indoor 100 personnel.
Referring to fig. 3, in particular, in the present embodiment, the sand screen 53 includes a screen frame 531 and a screen 532, and the screen 532 is installed on the screen frame 531.
Specifically, the net mount 531 includes an outer frame 5311, an inner frame 5312, and a plurality of connecting ribs 5313. The outer frame 5311 is annular, and an outer contour of the outer frame 5311 is matched with an inner contour of the air passing opening, so that the outer frame 5311 can be fixedly embedded in the air passing opening. The inner frame 5312 is in a pie shape, the inner frame 5312 is mounted in the outer frame 5311, and the inner frame 5312 and the outer frame 5311 are coaxially disposed. A plurality of connecting ribs 5313 are installed between the outer frame 5311 and the inner frame 5312, the plurality of connecting ribs 5313 are uniformly distributed around the central axis of the inner frame 5312, and both ends of each connecting rib 5313 are respectively connected with the inner wall of the outer frame 5311 and the outer wall of the inner frame 5312, so that the inner frame 5312 can be installed in the outer frame 5311 through the connecting ribs 5313.
Specifically, the filter 532 is annular, the filter 532 is installed between the outer frame 5311 and the inner frame 5312, and the filter 532 is supported by the connecting rib 5313 facing the first chamber 511 to filter and intercept the wind sand of the sand filter 53.
Referring to fig. 2 and 3, in the present embodiment, the sand-scraping mechanism 6 is installed on the sand-filtering net 53, and the sand-scraping mechanism 6 is used for scraping sand from the sand filtered by the sand-filtering net 53, so that the sand-filtering net 53 can perform continuous and efficient sand-filtering treatment, the sand content of the outside air can be gradually reduced, and further the quality of the outside air can be gradually improved, so as to achieve environmental-friendly ventilation.
Specifically, the sand scraping mechanism 6 includes a sand scraping arm 61, a sand scraping plate 62, and a sand scraping drive unit 63. The inner frame 5312 is rotatably mounted with a rotating shaft 64, the rotating shaft 64 is coaxial with the inner frame 5312, and the left and right ends of the rotating shaft 64 respectively penetrate through the first chamber 511 and the second chamber 512. The sand-scraping driving unit 63 is installed in the second chamber 512, and the sand-scraping driving unit 63 is used for driving the rotating shaft 64 to rotate. The sand scraping arm 61 is installed at a side of the sand screen 53 facing the first chamber 511, and one end of the sand scraping arm 61 is rotatably installed at the left end of the rotation shaft 64. The sand scraping plate 62 is mounted on a side of the sand scraping arm 61 facing the filter screen 532, and the sand scraping plate 62 abuts against the filter screen 532.
In the ventilation process, the sand scraping driving unit 63 drives the sand scraping arm 61 to rotate through the rotating shaft 64, and then drives the sand scraping plate 62 to scrape sand from the sand filtered on the filter screen 532, so that the sand filter 53 is not easily blocked by the sand, and the sand filtering effect and the ventilation effect of the sand filter 53 can be improved.
Referring to fig. 3, in particular, in the present embodiment, the sand scraping drive unit 63 includes a sand scraping motor 631, and the sand scraping motor 631 is fixedly installed in the second chamber 512. The motor shaft of the sand scraping motor 631 and the right end of the rotating shaft 64 are both provided with driving wheels, and the two driving wheels are driven by a driving belt 632, so that the sand scraping motor 631 can drive the rotating shaft 64 to rotate through the driving belt 632 and the two driving wheels.
Referring to fig. 4, in this embodiment, in detail, the end of the sand scraping arm 61 is provided with an insertion groove 641, the insertion groove 641 is disposed at a side of the sand scraping arm 61 where the sand scraping plate 62 is installed, and an inner contour of the insertion groove 641 is matched with an outer contour of a left end of the rotating shaft 64, so that the sand scraping arm 61 can be rotatably inserted into the left end of the rotating shaft 64 through the insertion groove 641.
The left end of the rotating shaft 64 is provided with a T-shaped retraction slot 642, and the retraction slot 642 is horizontally arranged. A connecting rod 643 in a "T" shape is slidably disposed in the retraction slot 642, and the total length of the connecting rod 643 is smaller than the total depth of the retraction slot 642, so that the connecting rod 643 can be completely retracted into the retraction slot 642. A first pre-jacking spring 644 is installed in the retraction slot 642, and one end of the first pre-jacking spring 644 is fixed at the bottom of the retraction slot 642, and the other end of the first pre-jacking spring 644 is fixed on the connection rod 643, so that the end of the connection rod 643 can be jacked out of the retraction slot 642 by the first pre-jacking spring 644.
Correspondingly, in this embodiment, a connection hole 645 is formed at the bottom of the insertion groove 641, and the connection hole 645 is slidably inserted and fitted with the end of the connection rod 643. After the connection rod 643 is aligned with the connection hole 645, the first pre-ejecting spring 644 can press and insert the end of the connection rod 643 into the connection hole 645. And after the connecting rod 643 is inserted into the connecting hole 645, the sand scraping arm 61 is locked and mounted on the rotating shaft 64 by inserting the locking pin 646 into the end of the connecting rod 643.
Specifically, in the present embodiment, the cross-sectional profile of the retraction groove 642 is square, and in other embodiments, the cross-sectional profile of the retraction groove 642 can be regular polygonal, such as regular triangle, regular pentagon, etc. Correspondingly, in the present embodiment, the cross-sectional profile of the connecting rod 643 and the cross-sectional profile of the connecting hole 645 are both square. When the connection rod 643 is slidably mounted in the retraction groove 642, the connection rod 643 cannot rotate relative to the rotation shaft 64. Meanwhile, after the first pre-pressing spring 644 presses and inserts the connecting rod 643 into the connecting hole 645, the sand scraping arm 61 cannot rotate relative to the rotating shaft 64, so that the rotating shaft 64 can drive the sand scraping arm 61 to rotate.
In the process of installing the sand scraping arm 61, a worker first supports the sand scraping arm 61 at the left end of the rotating shaft 64 through the insertion groove 641, and at this time, the sand scraping arm 61 presses the connecting rod 643 to retract into the retraction groove 642; then the adjusting arm 61 is rotated, when the connection hole 645 is rotated to the position aligned with the connection rod 643, the first pre-ejection spring 644 ejects the connection rod 643 to the connection hole 645 to perform positioning connection of the arm 61; finally, the sand scraping arm 61 is locked and fixed by the locking pin 646. Since the sand scraping arm 61 is always supported by the rotation shaft 64 during the installation of the sand scraping arm 61, the positioning and connecting work and the subsequent fixing work of the sand scraping arm 61 can be conveniently completed by a worker.
Specifically, in the present embodiment, two sand scraping rods 65 are mounted on the side of the sand scraping arm 61 facing the screen 532, and the two sand scraping rods 65 are arranged at intervals along the length direction of the sand scraping arm 61. The sand scraping plate 62 and the sand scraping arm 61 are arranged in parallel, and two ends of the sand scraping plate 62 are respectively and fixedly connected to one ends, far away from the sand scraping arm 61, of the two sand scraping rods 65.
Referring to fig. 4 and 5, in particular, in the present embodiment, each of the sand scraping levers 65 includes a first sub-cylinder 651, a second sub-cylinder 652, and a second pre-top spring 653; wherein, the first sub-cylinder 651 is fixedly arranged on the sand scraping arm 61; one end of the second sub-cylinder 652 is slidably inserted into one end of the first sub-cylinder 651 far away from the sand scraping arm 61, and the sand scraping plate 62 is fixedly connected to one end of the second sub-cylinder 652 far away from the first sub-cylinder 651. The second pre-jacking spring 653 is installed in the first sub-cylinder 651, one end of the second pre-jacking spring 653 is fixed to the first sub-cylinder 651, and the other end of the second pre-jacking spring 653 is fixed to the second sub-cylinder 652, so that the second pre-jacking spring 653 can push the sand scraping plate 62 to press against the filter screen 532 through the second sub-cylinder 652, and the sand scraping plate 62 can scrape sand from the wind-blown sand filtered on the filter screen 532.
When the sand scraping plate 62 passes through the connecting rib 5313, the connecting rib 5313 pushes back the sand scraping plate 62 to retract the second sub cylinder 652 toward the sand scraping arm 61; similarly, after the sand scraping plate 62 passes over the connecting rib 5313, the second pre-pressing spring 653 presses the second sub-cylinder 652 in a direction away from the sand scraping arm 61, so that the sand scraping plate 62 presses the filter screen 532, and the sand scraping plate 62 can always press the filter screen 532 to sweep the sand blown by the filter screen 532. Meanwhile, after the sand scraping plate 62 passes the connecting rib 5313, the second pre-jacking spring 653 jacks the second sub-cylinder 652 in a direction away from the sand scraping arm 61, so that the sand scraping plate 62 briefly impacts the filter screen 532, and the sand blown off from the filter screen 532 is facilitated.
Referring to fig. 3, in the embodiment, each of the connecting ribs 5313 is cylindrical, and the connecting ribs 5313 are rotatably connected to the inner side of the outer frame 5311 and the outer side of the inner frame 5312, respectively, so that the connecting ribs 5313 can rotate relative to the inner frame 5312 and the outer frame 5311, and the sand scraper 62 can conveniently pass over the connecting ribs 5313.
Referring to fig. 2, in the present embodiment, a cylindrical sand collecting cover 7 is further fixedly mounted on the partition plate 52 toward the first chamber 511. The sand gathering cover 7 is coaxially arranged with the rotating shaft 64, and the sand gathering cover 7 covers the periphery of the filter screen 532. In the process of rotating and cleaning the sand filtered on the sand filtering net 53 by the sand scraping arm 61, the sand can be continuously pushed and swept to the position of the sand gathering cover 7 by the sand scraping plate 62, and continuously falls to the bottom of the sand gathering cover 7 along the inner wall of the sand gathering cover 7.
Gather the bottom of husky cover 7 and still install and receive husky pipe 71, receive the vertical setting of husky pipe 71, and receive in husky cover 7 is worn to wear to gather in the top of husky pipe 71, it is outside to run through out sand filtering box 51 to receive the bottom of husky pipe 71, and receives husky pipe 71 bottom intercommunication and have receipts sandbox 72, makes the sand blown by the wind that gathers husky cover 7 can flow into in receiving sandbox 72 through receiving husky pipe 71 and collect the processing.
In this embodiment, a sand blocking flange 73 is further disposed at an end of the sand collecting cover 7 away from the partition plate 52, and the sand blocking flange 73 is integrally formed inside the sand collecting cover 7 to block the sand blown by the sand scraping plate 62 in the sand collecting cover 7, so that the sand blown in the sand collecting cover 7 is not easy to fall out of the sand collecting cover 7.
In the present embodiment, referring to fig. 4, the supporting wheel 8 is mounted on the end of the arm 61 remote from the center of rotation thereof. Wherein, the auxiliary supporting wheel 8 comprises a wheel body 81, a wheel seat 82 and a wheel shaft 83; the wheel body 81 is rotatably mounted on the wheel base 82, and one end of the wheel shaft 83 is fixed to the wheel base 82 and the other end is mounted on the arm 61.
Specifically, in the present embodiment, the wheel shaft 83 has a square rod shape. The sand scraping arm 61 is far away from the rotation center end of the sand scraping arm 61 and is provided with a mounting groove, the mounting groove is matched with the wheel shaft 83 in a sliding and inserting mode, and one end, far away from the wheel seat 82, of the wheel shaft 83 can be inserted into the mounting groove in a sliding mode. A third pre-supporting spring 84 is further installed in the mounting groove, one end of the third pre-supporting spring 84 is fixed to the bottom of the mounting groove, and the other end of the third pre-supporting spring 84 is fixed to the axle 83, so that the third pre-supporting spring 84 can support the wheel body 81 on the inner wall of the sand collecting cover 7 in a supporting manner through the axle 83, and the auxiliary supporting wheel 8 can support the sand scraping arm 61 in an auxiliary manner, thereby improving the rotational stability of the sand scraping arm 61. Meanwhile, in the process of auxiliary supporting of the auxiliary supporting wheel 8, when more sand blown by the wind exists at the position where the auxiliary supporting wheel 8 passes through, the wheel shaft 83 can drive the wheel body 81 to retract, so that the auxiliary supporting wheel 8 is not easy to be blocked.
The implementation principle is as follows: during the ventilation process, the external air is sequentially sucked into the indoor 100 through the air inlet 513, the first chamber 511, the sand screen 53, the second chamber 512 and the air inlet pipe 1 by the suction fan 2, and the exhaust fan 4 exhausts the air in the indoor 100 to the outdoor through the air outlet pipe 3, so that the indoor 100 and the outdoor can be ventilated in a circulating manner.
In the air draft process, when the wind sand is sucked to the position of the sand filtering net 53 along with outdoor air, the sand filtering net 53 filters and intercepts the wind sand so as to improve the indoor ventilation quality of 100 and further guarantee the breathing quality of indoor 100 personnel.
Then, the sand scraping motor 631 drives the sand scraping arm 61 to rotate through the rotation shaft 64, so that the sand scraping plate 62 can scrape the sand filtered on the screen 532. And the blown sand scraped at this moment falls to the bottom of the sand gathering cover 7 along the inner wall of the sand gathering cover 7 and is collected in the sand gathering box 72 through the sand gathering pipe 71, so that the sand filtering net 53 can carry out continuous and efficient sand filtering treatment, the sand content of the outside air can be gradually reduced, and the outside air quality can be gradually improved, thereby realizing environment-friendly ventilation.
The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A ventilation unit for building engineering building which characterized in that: comprises an air inlet pipe (1), an exhaust fan (2), an air outlet pipe (3) and an exhaust fan (4); the exhaust fan (2) is used for sucking outdoor air to the indoor space (100) through the air inlet pipe (1), and the exhaust fan (4) is used for sucking the indoor air (100) to the outdoor space; a sand filtering mechanism (5) is arranged on the air inlet pipe (1); the sand filtering mechanism (5) comprises a sand filtering box (51), a partition plate (52) and a sand filtering net (53), wherein the partition plate (52) is arranged in the sand filtering box (51) and divides the sand filtering box (51) into a first chamber (511) and a second chamber (512); an air vent communicated with the first chamber (511) and the second chamber (512) is formed in the partition plate (52), and the sand filtering net (53) is installed in the air vent; an air inlet (513) for ventilation is formed in the first chamber (511), and the air inlet pipe (1) is communicated with the second chamber (512); and the sand filtering net (53) is also provided with a sand scraping mechanism (6) for scraping sand blown by the sand filtering net (53).
2. A ventilation device for a building construction project building according to claim 1, characterized in that: the sand scraping mechanism (6) comprises a sand scraping arm (61), a sand scraping plate (62) and a sand scraping driving unit (63); the sand scraping device is characterized in that one end of the sand scraping arm (61) is rotatably installed on one side, facing the first chamber (511), of the sand scraping net, the sand scraping driving unit (63) is used for driving the sand scraping arm (61) to rotate, the sand scraping plate (62) is installed on the sand scraping arm (61), and the sand scraping plate (62) is used for scraping sand blown onto the sand filtering net (53).
3. A ventilation device for a building construction engineering structure according to claim 2, characterized in that: a rotating shaft (64) is rotatably mounted on the sand filtering net (53), two ends of the rotating shaft (64) respectively penetrate through the first chamber (511) and the second chamber (512), and the sand scraping driving unit (63) is used for driving the rotating shaft (64) to rotate; one end of the sand scraping arm (61) is provided with an insertion groove (641) for inserting one end of the rotating shaft (64) facing the first chamber (511); one end of the rotating shaft (64) facing the first chamber (511) is provided with a T-shaped retraction groove (642), a T-shaped connecting rod (643) is arranged in the retraction groove (642) in a sliding mode, and the connecting rod (643) can be completely retracted into the retraction groove (642); a connecting hole (645) is formed in the bottom of the inserting groove (641), and a first pre-ejection spring (644) used for enabling the end of the connecting rod (643) to be slidably ejected into the connecting hole (645) is arranged in the retraction groove (642); and the cross section profiles of the retraction groove (642), the connecting rod (643) and the connecting hole (645) are all in a regular polygon shape.
4. A ventilating device for a building construction according to claim 2, characterized in that: the sand filtering net (53) comprises a net rack (531) and a filter screen (532); the net rack (531) comprises an outer frame (5311), an inner frame (5312) arranged in the outer frame (5311) and a plurality of connecting ribs (5313), wherein the connecting ribs (5313) are used for connecting the outer frame (5311) and the inner frame (5312); the filter screen (532) is arranged between the outer frame (5311) and the inner frame (5312); one end of the sand scraping arm (61) is rotatably arranged on one side, facing the first chamber (511), of the inner frame (5312); the two ends of one side, facing the filter screen (532), of the sand scraping arm (61) are respectively provided with a sand scraping rod (65), and the two ends of the sand scraping plate (62) are respectively and fixedly arranged on the two sand scraping rods (65); each of the sand scraping rods (65) comprises a first sub-cylinder (651), a second sub-cylinder (652) and a second pre-top spring (653); the first sub-cylinder (651) is fixedly mounted on the sand scraping arm (61), one end of the second sub-cylinder (652) is inserted into one end, far away from the sand scraping arm (61), of the first sub-cylinder (651) in a sliding mode, and the sand scraping plate (62) is fixed to one end, far away from the first sub-cylinder (651), of the second sub-cylinder (652); the second pre-top spring (653) is arranged in the first sub-cylinder (651), and the second pre-top spring (653) is used for pressing the sand scraping plate (62) against the filter screen (532).
5. A ventilation device for a building construction engineering structure according to claim 4, characterized in that: the connecting ribs (5313) are uniformly arranged around the rotation axis of the sand scraping arm (61) at intervals; each connecting rib (5313) is cylindrical, and two ends of each connecting rib (5313) are respectively rotatably connected with the outer side of the inner frame (5312) and the inner side of the outer frame (5311).
6. A ventilating device for a building construction according to claim 2, characterized in that: one side of the partition plate (52) facing the first chamber (511) is provided with a cylindrical sand gathering cover (7), and the sand scraping arm (61) is installed in the sand gathering cover (7); gather husky cover (7) bottom and install receipts sand pipe (71), just it runs through to filtering sand case (51) outside to receive sand pipe (71) to keep away from gathering husky cover (7) one end.
7. A ventilation unit for a building construction according to claim 6, characterized in that: a sand blocking flange (73) is integrally formed on the inner side of one end, far away from the partition plate (52), of the sand gathering cover (7).
8. A ventilation device for a building construction engineering structure according to claim 7, characterized in that: the sand scraping arm (61) is far away from one end of the rotation center thereof and is provided with an auxiliary supporting wheel (8), and the auxiliary supporting wheel (8) rotates to support the inner wall of the sand gathering cover (7).
9. A ventilation device for a building construction engineering structure according to claim 8, characterized in that: the auxiliary supporting wheel (8) comprises a wheel body (81), a wheel seat (82) and a wheel shaft (83); the wheel body (81) is rotatably arranged on the wheel seat (82), and one end of the wheel shaft (83) is fixed on the wheel seat (82); one end of the sand scraping arm (61) far away from the rotation center is provided with a slot for inserting one end of the wheel shaft (83) far away from the wheel seat (82), a third pre-jacking spring (84) is installed in the slot, and the third pre-jacking spring (84) is used for jacking the wheel shaft (83).
10. A ventilation device for a building construction project building according to claim 1, characterized in that: the air outlet pipe (3) comprises a first pipe section (31), a second pipe section (32) and a third pipe section (33), wherein the second pipe section and the third pipe section are integrally formed at two ends of the first pipe section (31); the first pipe section (31) is arranged in the air inlet pipe (1), and one ends, far away from the first pipe section (31), of the second pipe section (32) and the third pipe section (33) penetrate through the air inlet pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210386563.3A CN114659210A (en) | 2022-04-14 | 2022-04-14 | A ventilation unit for building engineering building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210386563.3A CN114659210A (en) | 2022-04-14 | 2022-04-14 | A ventilation unit for building engineering building |
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| CN114659210A true CN114659210A (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210386563.3A Pending CN114659210A (en) | 2022-04-14 | 2022-04-14 | A ventilation unit for building engineering building |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118623423A (en) * | 2024-08-09 | 2024-09-10 | 福建金山人防设备制造有限公司 | Civil air defense filtering absorber with ventilation conversion function |
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| CN203824040U (en) * | 2014-04-22 | 2014-09-10 | 孔令蔚 | Sleeve-type heat exchange screw air-conditioning and ventilation device with disconnected fins |
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