CN112393353A - Intelligent ventilation evolution system on building - Google Patents
Intelligent ventilation evolution system on building Download PDFInfo
- Publication number
- CN112393353A CN112393353A CN202011285652.6A CN202011285652A CN112393353A CN 112393353 A CN112393353 A CN 112393353A CN 202011285652 A CN202011285652 A CN 202011285652A CN 112393353 A CN112393353 A CN 112393353A
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- China
- Prior art keywords
- filter cloth
- cleaning
- evolution system
- intelligent ventilation
- motor
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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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- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
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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
- F24F13/02—Ducting arrangements
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention relates to an intelligent ventilation evolution system for buildings, which comprises a case, an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are arranged on the case; when the filter cloth positioned at the air inlet pipe loses efficacy, the guide roller rotates, so that the filter cloth which loses efficacy enters the cleaning box, and the cleaning roller slides in a reciprocating manner to drive the filter cloth to swing in water. The invention has the effect of automatically controlling the fan according to the indoor air quality and ensuring that the indoor air quality is always kept in a fresh state.
Description
Technical Field
The invention relates to the field of ventilation systems, in particular to an intelligent ventilation evolution system for buildings.
Background
The building ventilation system is one of the important components of a building, and the ventilation system enables air inside and outside the building to exchange air, so that people can always breathe fresh air.
The existing ventilation system is composed of pipelines and fans, wherein the fans are used as power springs to enable wind to circulate, and outlets of the pipelines are distributed in all rooms or all positions of the same room. Above-mentioned this kind of ventilation system has following problem, because contain a large amount of dusts in the air, consequently can set up the filter screen in pipeline air intake or air outlet position, like Beijing or near the construction, the great place of dust needs often to wash the filter screen, because the dismouting trouble very of filter screen to need to design the intelligent ventilation system that can self-cleaning.
Disclosure of Invention
The invention aims to provide an intelligent ventilation evolution system for buildings, which has the advantages that a fan is automatically controlled according to indoor air quality, and the indoor air quality is ensured to be kept in a fresh state all the time.
The technical purpose of the invention is realized by the following technical scheme: an intelligent ventilation evolution system on a building comprises a case, an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are arranged on the case, a fan is arranged in the case, a plurality of guide rollers and a first motor for driving the guide rollers to rotate are connected in the case in a rotating mode, annular filter cloth is sleeved on the guide rollers and corresponds to the air inlet pipe, so that control is transmitted through a filter screen and then enters the case, a cleaning box for containing water is arranged below the air inlet pipe in the case, the lower end of the filter cloth is arranged in the cleaning box, and a cleaning roller sliding along an elliptical track and a driving mechanism for driving the cleaning roller to swing are arranged in the cleaning box; when the filter cloth positioned at the air inlet pipe loses efficacy, the guide roller rotates, so that the filter cloth which loses efficacy enters the cleaning box, and the cleaning roller slides in a reciprocating manner to drive the filter cloth to swing in water.
Further setting the following steps: the filter cloth clamping device is characterized in that an annular boss and a pressing ring matched with the boss are integrally arranged on the inner side face of the box body, the filter cloth is clamped between the pressing ring and the boss, and a driving mechanism used for driving the pressing ring to move automatically is arranged in the machine case.
Further setting the following steps: actuating mechanism includes that the direction along perpendicular to clamping ring rotates the connecting plate upper screw rod, fixes at the polygon prism of screw tip and is used for driving screw rod pivoted servo motor, the screw rod is total four, be fixed with the horizontal pole on the machine case, be fixed with the thread bush on the horizontal pole, the polygon prism passes the thread bush and screw rod threaded connection in the thread bush, be fixed with the adapter sleeve on servo motor's the output shaft, the polygon prism slides and connects in the adapter sleeve, four be fixed with the band pulley on the screw rod, the band pulley passes through the belt synchronous rotation.
Further setting the following steps: swing mechanism is including rotating the U type frame of connecting pivot on wasing the case lateral wall, being used for fixed cleaning roller, through telescopic link fixed connection between U type frame and the pivot, work as during the pivot, through telescopic link and U type frame drive the cleaning roller and slide, quick-witted incasement is fixed with and is used for driving pivot pivoted second motor.
Further setting the following steps: the cleaning device is characterized in that a limiting plate with an elliptical track is fixedly arranged in the cleaning box, the cleaning roller is connected in the limiting plate in a sliding mode, and two guide rollers are arranged in the cleaning box and located at the focal positions of the limiting plate.
Further setting the following steps: the cleaning device comprises two cleaning rollers, filter cloth is arranged between the two cleaning rollers, the cleaning rollers are fixed on a U-shaped frame, and when the U-shaped frame swings, the cleaning rollers slide on the filter cloth.
Further setting the following steps: gear teeth are circumferentially arranged on the guide roller, a plurality of through holes are arranged on the filter cloth in an aligned mode, and the gear teeth are inserted into the through holes; and when the guide roller rotates, the filter cloth is driven to move.
Further setting the following steps: the system also comprises a control system, wherein the control system comprises a controller used for controlling the first motor, the second motor, the servo motor and the fan, an air quality sensor used for detecting the indoor air quality and a flow sensor used for detecting the gas flow in the pipeline; when the air quality sensor detects that the indoor air quality is poor, the controller controls the fan to work; when the flow sensor detects that the air inlet amount penetrating through the filter cloth is lower than a set threshold value, the controller controls the first motor, the second motor and the servo motor to work, so that the clean filter cloth corresponds to the position of the air inlet pipe.
Further setting the following steps: the controller is provided with a short message editing module, the short message is edited to the controller through the mobile phone, and the controller controls the fan to work after receiving the information.
Compared with the prior art, the invention has the following beneficial effects:
1. when the fan works, outdoor wind is continuously conveyed indoors, the filter cloth is used for filtering dust, the filter cloth needs to be cleaned regularly to ensure the activity of the filter cloth, the filter cloth is inconvenient to disassemble due to the fact that the filter cloth is arranged inside the whole device, even special personnel need to be found for cleaning, and therefore the structure for automatically cleaning the filter cloth is arranged, the filter cloth can be recycled, and the filter cloth is prevented from being cleaned in the later period;
2. the filter cloth is reciprocated in water, and the cleaning roller continuously rubs the filter cloth, so that the filter cloth is cleaned, and the filter cloth structure designed by the invention thoroughly solves the problem according to the frequency of once cleaning for four months;
3. the control system can intelligently identify the air quality of a room, so that the fan is automatically controlled to work without manual triggering, and ventilation can be performed in rainy days, foggy days and cold winter;
4. the short message editing module is added, so that people can send signals to the controller remotely, the controller is further enabled to control the fan to work, and the remote intelligent effect is achieved.
Drawings
Fig. 1 is an overall configuration diagram of the present embodiment.
Fig. 2 is a schematic structural diagram of the hidden box body of the present embodiment.
Fig. 3 is a sectional view a-a in fig. 1.
Fig. 4 is a schematic structural diagram showing the cleaning principle of the cleaning roller in the embodiment.
Fig. 5 is a schematic view showing the structure of the present embodiment in which the pressing ring and the protruding strip are engaged.
FIG. 6 is a schematic structural view of the driving mechanism embodying the present embodiment;
fig. 7 is a schematic configuration diagram of the control system of the present embodiment.
In the figure: 11. a chassis; 12. a fan; 13. an air inlet pipe; 14. an air outlet pipe; 2. a filter cloth; 21. a guide roller; 22. a first motor; 23. a through hole; 31. a boss; 32. pressing a ring; 4. a drive mechanism; 41. a screw; 42. a threaded sleeve; 421. a cross bar; 43. a polygonal column; 44. a servo motor; 45. a pulley; 46. a belt; 5. cleaning the roller; 51. a rotating shaft; 52. a telescopic rod; 53. a second motor; 54. a U-shaped frame; 55. a limiting plate; 56. and (5) cleaning the tank.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example (b): referring to fig. 1-3, an intelligent ventilation evolution system for buildings comprises a cabinet 11, an air inlet pipe 13 and an air outlet pipe 14 arranged on the cabinet 11, wherein a fan 12 is arranged in the cabinet 11, and a filter cloth 2 for filtering solid particles is arranged at the port position of the air inlet pipe 13. After fan 12 worked, fan 12 was continuous to extract outdoor wind and is entered into indoorly, and outdoor air filters back through filter cloth 2, and is more pure, guarantees indoor air like this and keeps wasing all the time, also helps getting rid of indoor peculiar smell simultaneously, improves the environment of life or work.
Referring to fig. 2 to 3, a plurality of guide rollers 21 and a first motor 22 fixed to the guide rollers 21 for driving the guide rollers 21 to rotate are rotatably connected to the cabinet 11, the filter cloth 2 is formed in a ring shape and wound around the guide rollers 21, and the first motor 22 is fixed to the cabinet 11. After the filtering holes in the filtering cloth 2 are plugged by the solid particles, the air permeability of the filtering cloth 2 can be deteriorated until the air permeability is lost, and at the moment, the first motor 22 drives the guide roller 21 to rotate, so that the clean filtering cloth 2 replaces the original position of the failed filtering cloth 2, and the times of disassembling and washing by people are reduced. Through-holes 23 are formed in the two sides of the filter cloth 2 in an array mode, gear teeth are uniformly distributed on one or more guide rollers 21 in the circumferential direction and are inserted into the through-holes 23, and when the guide rollers 21 rotate, the filter cloth 2 is driven to rotate, so that slipping between the filter cloth 2 and the guide rollers 21 is avoided.
Referring to fig. 2-3, a cleaning box 56 for containing water is arranged below the air inlet pipe 13 in the case 11, the lower end of the filter cloth 2 is arranged in the cleaning box 56, and a cleaning roller 5 sliding along an elliptical track and a driving mechanism for driving the cleaning roller 5 to swing are arranged in the cleaning box 56. The bottom of the cleaning tank 56 is provided with a water inlet pipe and a water outlet pipe. When the filter cloth 2 at the position of the air inlet pipe 13 is invalid, the guide roller 21 rotates, so that the invalid filter cloth 2 enters the cleaning box 56, and the cleaning roller 5 is driven by the swing mechanism to slide in a reciprocating manner to drive the filter cloth 2 to swing in water. Through the high-frequency swing, water plays a role in washing the filter cloth 2, so that solid particles such as dust, catkins and the like on the filter cloth 2 are washed away, and the filter cloth 2 is always kept active.
Referring to fig. 3-5, the swing mechanism includes a rotating shaft 51 rotatably connected to a sidewall of the cleaning tank 56, and a U-shaped frame 54 for fixing the cleaning roller 5, the U-shaped frame 54 is fixedly connected to the rotating shaft 51 through an expansion link 52, when the rotating shaft 51 rotates, the expansion link 52 and the U-shaped frame 54 drive the cleaning roller 5 to slide, and a second motor 53 for driving the rotating shaft 51 to rotate is fixed in the case 11. A limiting plate 55 with an elliptical track is fixedly arranged in the cleaning box 56, the cleaning roller 5 is connected in the limiting plate 55 in a sliding manner, and two guide rollers 21 are arranged in the cleaning box 56 and positioned at the focal positions of the elliptical track. After the rotating shaft 51 is driven to rotate back and forth by the forward and reverse rotation of the second motor 53, the telescopic rod 52 and the U-shaped frame 54 swing back and forth together, and at the moment, the cleaning roller 5 drives the filter cloth 2 to swing in the cleaning box 56, so that the effect of cleaning the filter cloth 2 is realized.
Referring to fig. 3 to 5, the cleaning rollers 5 are two in number and are fixed on the U-shaped frame 54, and when the U-shaped frame 54 swings, the cleaning rollers 5 slide on the filter cloth 2 to perform a rubbing action, so that the filter cloth 2 is cleaned more cleanly.
Referring to fig. 4-5, the telescoping rod 52 includes a fixed sleeve welded to the shaft 51, and a sliding rod slidably connected to the fixed sleeve and fixed to the U-shaped frame 54.
Referring to fig. 5-6, the inner side surface of the box body is integrally provided with a square ring-shaped boss 31 and a pressing ring 32 matched with the boss 31, the filter cloth 2 is clamped between the pressing ring 32 and the boss 31, because the filter grade of the filter cloth 2 is higher, a certain suction force is needed to enable the air to pass through the filter cloth 2, the matching of the boss 31 and the pressing ring 32 improves the sealing performance between the filter cloth 2 and the case 11, and the air is ensured to pass through the filter cloth 2 and then enter the room.
Referring to fig. 5-6, when the filter cloth 2 needs to be moved, the press ring 32 needs to be separated from the boss 31, so that the driving mechanism 4 for driving the press ring 32 to automatically move is arranged in the machine case 11. The driving mechanism 4 comprises a screw 41 which is connected with the pressing plate in a rotating way along the direction vertical to the pressing ring 32, a polygon prism 43 fixed at the end part of the screw 41 and a servo motor 44 for driving the screw 41 to rotate; the number of the screws 41 is four, the screws are distributed at four corners of the pressing ring 32, the case 11 is fixed with the cross bar 421, the cross bar 421 is fixed with the threaded sleeve 42, the polygonal column 43 penetrates through the threaded sleeve 42, the screws 41 are in threaded connection with the threaded sleeve 42, the output shaft of the servo motor 44 is fixed with the connecting sleeve 47, the polygonal column 43 is connected with the connecting sleeve 47 in a sliding manner, the four screws 41 are fixed with the belt wheels 45, and the belt wheels 45 synchronously rotate through the belt 46.
Referring to fig. 5-6, when the servo motor 44 is operated, the screw rods 41 are driven to rotate by the connecting sleeve 47 and the polygon prism 43, and at the same time, the four screw rods 41 synchronously rotate under the linkage of the belt pulley 45 and the belt 46, so that the four screw rods 41 synchronously rotate and slide in the screw sleeve, and the function of driving the press ring 32 to be close to the boss 31 or far from the boss 31 is realized.
Referring to fig. 7, a short message editing module is arranged on the controller, a short message is edited to the controller through a mobile phone, and the controller controls the fan 12 to work after receiving the message, so that the fan 12 is remotely controlled, and people can conveniently control the ventilation condition of a home or a unit at any time and any place.
The implementation principle of the embodiment is as follows: after fan 12 worked, fan 12 was continuous to extract outdoor wind and is entered into indoorly, and outdoor air filters back through filter cloth 2, and is more pure, guarantees indoor air like this and keeps wasing all the time, also helps getting rid of indoor peculiar smell simultaneously, improves the environment of life or work. The special structure of filter cloth 2 avoids people to wash filter cloth 2, and control system realizes intelligent ventilation and remote control, convenient to use more.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides an intelligent ventilation evolution system on building, includes quick-witted case (11), sets up air-supply line (13) and play tuber pipe (14) on quick-witted case (11), be equipped with fan (12) in quick-witted case (11), its characterized in that: the cleaning machine is characterized in that a plurality of guide rollers (21) and a first motor (22) for driving the guide rollers (21) to rotate are rotationally connected to the machine case (11), annular filter cloth (2) is sleeved on the guide rollers (21), the filter cloth (2) corresponds to the air inlet pipe (13), so that air enters the machine case (11) after penetrating through the filter screen, a cleaning box (56) for containing water is arranged below the air inlet pipe (13) in the machine case (11), the lower end of the filter cloth (2) is arranged in the cleaning box (56), and a cleaning roller (5) sliding along an elliptical track and a driving mechanism for driving the cleaning roller (5) to swing are arranged in the cleaning box (56); when the filter cloth (2) positioned at the position of the air inlet pipe (13) is invalid, the guide roller (21) rotates, so that the invalid filter cloth (2) enters the cleaning box (56), and the cleaning roller (5) slides to and fro to drive the filter cloth (2) to swing in water.
2. The on-building intelligent ventilation evolution system according to claim 1, characterized in that: the filter cloth is characterized in that an annular boss (31) and a pressing ring (32) matched with the boss (31) are integrally arranged on the inner side face of the box body, the filter cloth (2) is clamped between the pressing ring (32) and the boss (31), and a driving mechanism (4) used for driving the pressing ring (32) to move automatically is arranged in the case (11).
3. The on-building intelligent ventilation evolution system according to claim 2, characterized in that: actuating mechanism (4) include along the direction rotation connecting plate of perpendicular to clamping ring (32) on screw rod (41), fix polygon prism (43) at screw rod (41) tip and be used for driving screw rod (41) pivoted servo motor (44), screw rod (41) are total four, be fixed with horizontal pole (421) on quick-witted case (11), be fixed with thread bush (42) on horizontal pole (421), polygon prism (43) pass thread bush (42) and screw rod (41) threaded connection in thread bush (42), be fixed with adapter sleeve (47) on the output shaft of servo motor (44), polygon prism (43) slide and connect in adapter sleeve (47), four be fixed with band pulley (45) on screw rod (41), band pulley (45) are through belt (46) synchronous revolution.
4. The on-building intelligent ventilation evolution system according to claim 3, characterized in that: swing mechanism is including rotating pivot (51) of connection on wasing case (56) lateral wall, U type frame (54) that are used for fixed cleaning roller (5), through telescopic link (52) fixed connection between U type frame (54) and pivot (51), work as during pivot (51), through telescopic link (52) and U type frame (54) drive cleaning roller (5) and slide, machine case (11) internal fixation has and is used for driving pivot (51) pivoted second motor (53).
5. The on-building intelligent ventilation evolution system according to claim 4, characterized in that: clear case (56) internal fixation is equipped with limiting plate (55) of oval orbit, wash roller (5) and slide and connect in limiting plate (55), it has two guide rolls (21) to be located the focus position of limiting plate (55) in clear case (56).
6. The on-building intelligent ventilation evolution system according to claim 4, characterized in that: the cleaning device is characterized in that the number of the cleaning rollers (5) is two, the filter cloth (2) is located between the two cleaning rollers (5), the cleaning rollers (5) are fixed on a U-shaped frame (54), and when the U-shaped frame (54) swings, the cleaning rollers (5) slide on the filter cloth (2).
7. The on-building intelligent ventilation evolution system according to claim 1, characterized in that: gear teeth are circumferentially arranged on the guide roller (21), a plurality of through holes (23) are arranged on the filter cloth (2) in an aligned mode, and the gear teeth are inserted into the through holes (23); when the guide roller (21) rotates, the filter cloth (2) is driven to move.
8. The on-building intelligent ventilation evolution system according to claim 3, characterized in that: the system also comprises a control system, wherein the control system comprises a controller used for controlling the first motor (22), the second motor (53), the servo motor (44) and the fan (12), an air quality sensor used for detecting the indoor air quality and a flow sensor used for detecting the gas flow in the pipeline; when the air quality sensor detects that the indoor air quality is poor, the controller controls the fan (12) to work; when the flow sensor detects that the air inlet amount penetrating through the filter cloth (2) is lower than a set threshold value, the controller controls the first motor (22), the second motor (53) and the servo motor (44) to work, so that the clean filter cloth (2) corresponds to the position of the air inlet pipe (13).
9. The on-building intelligent ventilation evolution system according to claim 8, characterized in that: the controller is provided with a short message editing module, the short message is edited to the controller through the mobile phone, and the controller controls the fan (12) to work after receiving the information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011285652.6A CN112393353B (en) | 2020-11-17 | 2020-11-17 | Intelligent ventilation clean system on building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011285652.6A CN112393353B (en) | 2020-11-17 | 2020-11-17 | Intelligent ventilation clean system on building |
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| CN112393353A true CN112393353A (en) | 2021-02-23 |
| CN112393353B CN112393353B (en) | 2021-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115518983A (en) * | 2022-10-12 | 2022-12-27 | 海安华诚新材料有限公司 | Finished product effectual oriented silicon steel finished product preparation equipment |
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