CN114963386A - Fresh air system for high-rise building and control method thereof - Google Patents
Fresh air system for high-rise building and control method thereof Download PDFInfo
- Publication number
- CN114963386A CN114963386A CN202210623760.2A CN202210623760A CN114963386A CN 114963386 A CN114963386 A CN 114963386A CN 202210623760 A CN202210623760 A CN 202210623760A CN 114963386 A CN114963386 A CN 114963386A
- Authority
- CN
- China
- Prior art keywords
- air
- fresh air
- adjusting mechanism
- plate
- movable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 25
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F24F11/77—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 by controlling the speed of ventilators
-
- 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
- F24F13/0209—Ducting arrangements characterised by their connecting means, e.g. flanges
-
- 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
-
- 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
Landscapes
- 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)
- Ventilation (AREA)
Abstract
The invention discloses a fresh air system for a high-rise building and a control method thereof, and relates to the field of fresh air systems. The novel fan main body is novel in design, simple in structure and convenient and fast to use, power fluctuation and starting and stopping times can be reduced due to the constant-frequency operation of the fresh air machine main body, and meanwhile, the driving mechanism is linked with the air quantity adjusting mechanism and the air speed adjusting mechanism to enable the air quantity adjusting mechanism and the air speed adjusting mechanism to be matched with each other most balance to introduce air into a room all the time, so that the energy consumption of equipment is reduced.
Description
Technical Field
The invention relates to the field of fresh air systems, in particular to a fresh air system for a high-rise building and a control method thereof.
Background
The fresh air system is a set of independent air processing system consisting of an air supply system and an air exhaust system and is divided into a pipeline type fresh air system and a pipeline-free fresh air system. The pipeline type fresh air system consists of a fresh air fan and pipeline accessories, outdoor air is purified by the fresh air fan and is led into a room, and indoor air is discharged through a pipeline; the ductless fresh air system is composed of a fresh air fan, and the fresh air fan is used for purifying outdoor air and guiding the outdoor air into a room.
In the prior art, a frequency conversion system is mostly adopted for power regulation of a main machine of a fresh air system, and the regulation of air volume and air speed is realized through frequency conversion, so that the power of the main machine is frequently changed, the main machine is started and stopped, the phenomena of high energy consumption of main machine equipment, aging and damage of electrical elements and the like caused by frequent work can be caused under the condition, energy is wasted and the maintenance cost is increased under the condition of long-time operation, and therefore, the fresh air system for the high-rise building and the control method thereof are designed to solve the problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a fresh air system for a high-rise building and a control method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fresh air system for a high-rise building comprises a fresh air machine main body, wherein an air outlet and an air inlet are formed in one end, communicated with the outside, of the fresh air machine main body, an air return opening and an air outlet are formed in one end, communicated with the inside, of the fresh air machine main body, and an adjusting device and a monitoring sensor are mounted on the air outlet;
the monitoring sensor comprises an air quantity sensor and an air speed sensor;
the adjusting device comprises an air quantity adjusting mechanism, a wind speed adjusting mechanism and a driving mechanism, and the driving mechanism is respectively in linkage connection with the air quantity adjusting mechanism and the wind speed adjusting mechanism to realize synchronous adjustment of air quantity and wind speed;
the air quantity adjusting mechanism comprises a ventilating plate, an adjusting plate and a transmission assembly, the ventilating plate is fixedly arranged in the air outlet, a plurality of ventilating openings are formed in the ventilating plate in a circular array, and the adjusting plate is rotatably arranged on one side of the ventilating plate and is in transmission connection with the driving mechanism through the transmission assembly;
the wind speed adjusting mechanism comprises a box body, the box body is fixedly arranged on the air outlet, a channel matched with the air outlet is formed in the middle of the box body, movable assemblies in staggered motion are arranged on two sides of the channel of the box body, and the movable assemblies are in transmission connection with the driving mechanism.
Preferably, the driving mechanism comprises a double-shaft motor, a bevel gear III mounted on an output shaft at one end of the double-shaft motor, and a worm mounted on an output shaft at the other end of the double-shaft motor.
Preferably, the adjusting plate comprises a connecting circular plate and plugging plates distributed on the periphery of the connecting circular plate in a circular array, one side of the connecting circular plate is fixedly provided with a first bevel gear, and the other side of the connecting circular plate is rotatably arranged at the circle center of the ventilating plate through a rotating shaft;
the transmission assembly comprises a rotating rod, the rotating rod is rotatably installed on the air outlet through a bearing, two conical gears are installed at two ends of the rotating rod respectively, the two conical gears at one end of the rotating rod extend to the connecting circular plate and are in meshed transmission connection with the first conical gear, and the two conical gears at the other end of the rotating rod are in meshed transmission connection with the three conical gears on the output shaft of the double-shaft motor.
Preferably, the box is located the corresponding both sides of passageway and has crisscrossly seted up flexible groove, the activity subassembly includes fly leaf, rotation lead screw, worm wheel, slide bar and removal screw, flexible inslot movable mounting has the fly leaf, and the box that is located flexible groove one side has seted up the rotation groove, and rotates the inslot internal rotation and install the rotation lead screw, reverse screw has been processed respectively for both ends with its midpoint border to the rotation lead screw, the one end that rotates the lead screw extends to the outside and the fixed mounting of box has the worm wheel, the worm wheel is connected with worm meshing transmission, the box is located and has seted up the slide groove between flexible groove and the rotation groove, be provided with the slide bar in the slide groove, the one end and the fly leaf fixed connection of slide bar, the other end and the removal screw fixed connection of movable mounting on rotatory lead screw.
Preferably, the movable assemblies are at least provided with groups, and the two movable plates on the same group of movable assemblies are arranged in a staggered manner.
Preferably, the air outlet is connected with an air return pipe at the position of the adjusting device, and the air return pipe is communicated with the air outlet.
A control method of a fresh air system for a high-rise building comprises the following steps:
s1, starting the fresh air fan main body, the heat exchanger in the fresh air fan main body, the air inlet fan and the air exhaust fan through a remote control device or a control panel;
s2, the air inlet fan operates at a fixed frequency, outdoor air is introduced into the room through the air inlet, and when the air passes through the air outlet, the air flow rate Q and the flow velocity V are monitored by the air quantity sensor and the air speed sensor;
s3, according to the monitored air flow Q and the flow velocity V, the double-shaft motor is started to control the flow and the flow velocity of the air entering the room by controlling the air volume adjusting mechanism and the air velocity adjusting mechanism;
and S4, the exhaust fan operates at a fixed frequency, indoor dirty air is guided to the outdoor through the air return opening, and finally the dirty air is exhausted to the outdoor through the air outlet.
Preferably, the wind speed sensor is a pipeline type wind speed transmitter, the wind speed range is 0-30 m/s, and the output current range is 4-20 mA; the air inlet fan and the air exhaust fan are both fixed-frequency fans.
Compared with the prior art, the invention has the beneficial effects that:
1. the fresh air machine main body operates at a fixed frequency, has constant power, reduces power fluctuation and starting and stopping times compared with variable frequency operation, greatly reduces the damage of components caused by frequent work, and reduces the energy consumption of equipment;
2. on the premise that the main body of the fresh air machine operates at a fixed frequency, the air quantity entering a room can be adjusted through the air quantity adjusting mechanism, and the aim of adjusting the air quantity is fulfilled with lower energy consumption;
3. the air speed adjusting mechanism can adjust and connect the air flow speed under the condition that the fresh air machine main body operates at a fixed frequency, so that the use requirements of different people are met, meanwhile, the noise caused by too high air speed can be reduced, and the use comfort level is improved.
4. The driving mechanism is linked with the air quantity adjusting mechanism and the air speed adjusting mechanism, so that air is introduced into a room through the most balanced cooperation of the driving mechanism and the air quantity adjusting mechanism, and meanwhile, the synchronous linkage can also reduce energy consumption, and the air quantity adjusting mechanism and the air speed adjusting mechanism accord with the concept of green and environment-friendly design of high-rise buildings.
The novel air conditioner is novel in design, simple in structure and convenient and fast to use, the main body of the fresh air machine operates at a fixed frequency, so that power fluctuation and starting and stopping times can be reduced, and meanwhile, the driving mechanism is linked with the air quantity adjusting mechanism and the air speed adjusting mechanism to enable the air quantity adjusting mechanism and the air speed adjusting mechanism to be matched with each other most balance to introduce air into a room all the time, so that the energy consumption of equipment is reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the ventilation board of the present invention;
FIG. 3 is a schematic structural view of a plugging plate of the present invention;
FIG. 4 is an enlarged schematic view taken at A in FIG. 2;
figure 5 is a cross-sectional view of the mobile assembly of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a fresh air system for a high-rise building comprises a fresh air blower main body 1, wherein an air outlet 2 and an air inlet 3 are arranged at one end of the fresh air blower main body 1 communicated with the outdoor space, an air return opening 4 and an air outlet 5 are arranged at one end of the fresh air blower main body communicated with the indoor space, and an adjusting device and a monitoring sensor are arranged on the air outlet 5; the monitoring sensor comprises an air quantity sensor and an air speed sensor; the air outlet 5 is connected with an air return pipe at the position of the adjusting device, and the air return pipe is communicated with the air outlet 2;
the adjusting device comprises an air quantity adjusting mechanism, a wind speed adjusting mechanism and a driving mechanism, and the driving mechanism is respectively in linkage connection with the air quantity adjusting mechanism and the wind speed adjusting mechanism to realize synchronous adjustment of air quantity and wind speed;
the driving mechanism comprises a double-shaft motor 6, a bevel gear III 14 arranged on an output shaft at one end of the double-shaft motor 6 and a worm 15 arranged on an output shaft at the other end of the double-shaft motor 6.
The air quantity adjusting mechanism comprises a ventilating plate 7, an adjusting plate and a transmission assembly, the ventilating plate 7 is fixedly arranged in the air outlet 5, a plurality of ventilating openings 8 are formed in the ventilating plate 7 in a circular array, and the adjusting plate is rotatably arranged on one side of the ventilating plate 7 and is in transmission connection with the driving mechanism through the transmission assembly; the adjusting plate comprises a connecting circular plate 10 and plugging plates 9 distributed on the periphery of the connecting circular plate 10 in a circular array, one side of the connecting circular plate 10 is fixedly provided with a first bevel gear 11, and the other side of the connecting circular plate 10 is rotatably arranged at the circle center of the ventilating plate 7 through a rotating shaft;
the transmission assembly comprises a rotating rod 12, the rotating rod 12 is rotatably installed on the air outlet 5 through a bearing, two conical gears 13 are installed at two ends of the rotating rod 12 respectively, the two conical gears 13 at one end of the rotating rod 12 extend to the connecting circular plate 10 and are in meshed transmission connection with the first conical gear 11, and the two conical gears 13 at the other end of the rotating rod 12 are in meshed transmission connection with the third conical gear 14 on the output shaft of the double-shaft motor 6.
The wind speed adjusting mechanism comprises a box body 16, the box body 16 is fixedly arranged on the wind outlet 5, the middle part of the box body is provided with a channel 17 which is matched with the wind outlet 5, the box body 16 is provided with movable components which move in a staggered manner at two sides of the channel 17, and the movable components are in transmission connection with the driving mechanism; the movable assemblies are at least provided with 2 groups, and two movable plates 21 on the same group of movable assemblies are arranged in a staggered manner;
the box 16 is provided with telescopic grooves 20 at two sides corresponding to the channel 17 in a staggered manner, the movable assembly comprises a movable plate 21, a rotary screw rod 18, a worm wheel 19, a sliding rod 24 and a movable screw nut 23, the movable plate 21 is movably mounted in the telescopic groove 20, the box 16 at one side of the telescopic groove 20 is provided with a rotary groove, the rotary screw rod 18 is rotatably mounted in the rotary groove, reverse threads are respectively processed at two ends of the rotary screw rod 18 with the midpoint thereof as a boundary, one end of the rotary screw rod 18 extends to the outside of the box 16 and is fixedly provided with the worm wheel 19, the worm wheel 19 is in meshing transmission connection with the worm 15, the box 16 is provided with a sliding groove 22 between the telescopic groove 20 and the rotary groove, the sliding rod 24 is arranged in the sliding groove 22, one end of the sliding rod 24 is fixedly connected with the movable plate 21, and the other end of the sliding rod is fixedly connected with the movable screw nut 23 movably mounted on the rotary screw rod 18.
A control method of a fresh air system for a high-rise building comprises the following steps:
s1, starting the fresh air fan main body 1 through a remote control device or a control panel, and starting a heat exchanger, an air inlet fan and an air exhaust fan in the fresh air fan main body 1;
s2, the air inlet fan operates at a fixed frequency, outdoor air is introduced into the room through the air inlet 3, and when the air passes through the air outlet 5, the air flow Q and the flow speed V are monitored by the air quantity sensor and the air speed sensor;
s3, according to the monitored air flow Q and the flow velocity V, the double-shaft motor 6 is started to control the flow and the flow velocity of the air entering the room by controlling the air volume adjusting mechanism and the air velocity adjusting mechanism;
and S4, operating the exhaust fan at a fixed frequency, guiding the indoor dirty air to the outdoor through the air return opening 4, and finally exhausting the indoor dirty air to the outdoor through the air outlet 2.
The wind speed sensor is a pipeline type wind speed transmitter, the wind speed range is 0-30 m/s, and the output current range is 4-20 mA; the air inlet fan and the air exhaust fan are both fixed-frequency fans.
In the use process of the air conditioner, the fresh air fan main body 1 is started through a remote control device or a control panel, outdoor air is filtered and processed through the air inlet 3, the fan and the filter screen inside the fresh air fan main body 1 and a heat exchanger in a cold-heat exchange mode, and the fresh air fan main body 1 introduces the processed outdoor air into a room through the air outlet 5. When air passes through the air outlet 5, the air flow sensor and the air speed sensor monitor the air flow Q and the flow speed V, and the double-shaft motor 6 is started to control the flow and the flow speed of the air entering the room by controlling the air flow adjusting mechanism and the air speed adjusting mechanism according to the values of the monitored air flow Q and the flow speed V.
Air volume adjustment:
the double-shaft motor 6 is in meshed transmission with a conical gear II 13 through a conical gear III 14 on an output shaft at one end, a rotating rod 12 is driven to rotate, the rotating rod 12 enables an adjusting plate to rotate, in the rotating process, a plugging plate 9 can slowly plug or open a ventilation opening 8 in a ventilation plate 7 to achieve the purpose of adjusting air quantity, if the air quantity is small, the ventilation opening 8 is completely opened to ensure the air inlet quantity, if the air quantity is large, the ventilation opening 8 is closed to reduce the air inlet quantity, and meanwhile, redundant air flow flows back through a return air pipe and is discharged out of a room through an air outlet 2;
adjusting the wind speed:
when the double-shaft motor 6 adjusts the air intake, the air intake speed can be synchronously adjusted in a self-adaptive manner, so that the double-shaft motor 6 and the worm gear 19 are always in a balanced combination, the worm 15 at one end of the double-shaft motor 6 drives the worm gear 19 to rotate, the worm gear 19 drives the rotating screw rod 18 to rotate, when the rotating screw rod 18 rotates, due to the arrangement of reverse threads, the moving screw nuts 23 at two ends drive the two staggered movable plates 21 to move towards each other or back towards each other through the sliding rod 24, and when the movable plates move towards each other, the staggered movable plates 21 form an S-shaped airflow channel, so that the airflow speed can be effectively reduced, and the squeaking noise generated by the airflow due to the over-high speed is reduced; when moving to the back, the S-shaped airflow channel is gradually released, and when a straight-line-shaped channel is formed, the airflow is indicated to pass through without obstruction.
The fresh air machine main body of the invention operates at fixed frequency and fixed power, and compared with variable frequency operation, the fresh air machine main body reduces power fluctuation and starting and stopping times, greatly reduces the damage of components caused by frequent work, and simultaneously reduces the energy consumption of equipment.
The air quantity adjusting mechanism and the air speed adjusting mechanism can adjust the air quantity and the air speed, the final effect is the same as that of frequency conversion, and meanwhile, the driving mechanism is linked to adjust the air quantity adjusting mechanism and the air speed adjusting mechanism, so that the air quantity adjusting mechanism and the air speed adjusting mechanism are always in the most balanced fit to introduce air into a room, and the energy consumption of equipment is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (8)
1. A fresh air system for a high-rise building comprises a fresh air blower main body (1), wherein an air outlet (2) and an air inlet (3) are arranged at one end of the fresh air blower main body (1) communicated with the outdoor space, and an air return opening (4) and an air outlet (5) are arranged at one end of the fresh air blower main body communicated with the indoor space, and is characterized in that an adjusting device and a monitoring sensor are arranged on the air outlet (5);
the monitoring sensor comprises an air quantity sensor and an air speed sensor;
the adjusting device comprises an air quantity adjusting mechanism, a wind speed adjusting mechanism and a driving mechanism, and the driving mechanism is respectively in linkage connection with the air quantity adjusting mechanism and the wind speed adjusting mechanism to realize synchronous adjustment of air quantity and wind speed;
the air quantity adjusting mechanism comprises a ventilating plate (7), an adjusting plate and a transmission assembly, the ventilating plate (7) is fixedly arranged in the air outlet (5), a plurality of ventilating openings (8) are formed in the ventilating plate (7) in a circular array, and the adjusting plate is rotatably arranged on one side of the ventilating plate (7) and is in transmission connection with the driving mechanism through the transmission assembly;
the wind speed adjusting mechanism comprises a box body (16), the box body (16) is fixedly arranged on the air outlet (5), a channel (17) matched with the air outlet (5) is formed in the middle of the box body (16), movable assemblies in staggered motion are arranged on two sides, located on the channel (17), of the box body (16), and the movable assemblies are in transmission connection with the driving mechanism.
2. The fresh air system for the high-rise building as claimed in claim 1, wherein the driving mechanism comprises a double-shaft motor (6), a bevel gear III (14) arranged on an output shaft at one end of the double-shaft motor (6) and a worm (15) arranged on an output shaft at the other end of the double-shaft motor (6).
3. The fresh air system for the high-rise building as claimed in claim 2, wherein the adjusting plate comprises a connecting circular plate (10) and a blocking plate (9) distributed on the periphery of the connecting circular plate (10) in a circular array, one side of the connecting circular plate (10) is fixedly provided with a first bevel gear (11), and the other side of the connecting circular plate (10) is rotatably arranged at the circle center of the ventilating plate (7) through a rotating shaft;
the transmission assembly comprises a rotating rod (12), the rotating rod (12) is installed on the air outlet (5) in a rotating mode through a bearing, two bevel gears (13) are installed at two ends of the rotating rod (12) respectively, the two bevel gears (13) at one end of the rotating rod (12) extend to a connecting circular plate (10) and are in meshed transmission connection with the first bevel gear (11), and the two bevel gears (13) at the other end of the rotating rod (12) are in meshed transmission connection with the third bevel gear (14) on an output shaft of the double-shaft motor (6).
4. The fresh air system for the high-rise building as claimed in claim 1, 2 or 3, wherein the box body (16) is provided with retractable slots (20) at two corresponding sides of the channel (17) in a staggered manner, the movable assembly comprises movable plates (21), a rotary screw (18), a worm gear (19), a sliding rod (24) and a movable nut (23), the movable plates (21) are movably mounted in the retractable slots (20), the box body (16) at one side of the retractable slots (20) is provided with the rotary slots, the rotary screw (18) is rotatably mounted in the rotary slots, two ends of the rotary screw (18) with the midpoint as a boundary are respectively provided with reverse threads, one end of the rotary screw (18) extends to the outside of the box body (16) and is fixedly provided with the worm gear (19), the worm gear (19) is in meshed transmission connection with the worm (15), the box body (16) is provided with the sliding slots (22) between the retractable slots (20) and the rotary slots, a sliding rod (24) is arranged in the sliding groove (22), one end of the sliding rod (24) is fixedly connected with the movable plate (21), and the other end of the sliding rod is fixedly connected with a movable screw nut (23) movably mounted on the rotary screw rod (18).
5. Fresh air system for high-rise buildings according to claim 4, characterized in that the movable assemblies are provided with at least 2 groups, and two movable plates (21) on the same group of movable assemblies are arranged in a staggered manner.
6. The fresh air system for the high-rise building as claimed in claim 4, wherein the air outlet (5) is connected with an air return pipe at the position of the adjusting device, and the air return pipe is communicated with the air outlet (2).
7. A control method of a fresh air system for a high-rise building is characterized by comprising the following steps:
s1, starting the fresh air blower main body (1) through a remote control device or a control panel, and starting a heat exchanger, an air inlet blower and an air exhaust blower in the fresh air blower main body (1);
s2, the air inlet fan operates at a fixed frequency, outdoor air is introduced into the room through the air inlet (3), and when the air passes through the air outlet (5), the air flow Q and the flow speed V are monitored by the air quantity sensor and the air speed sensor;
s3, according to the monitored air flow Q and the flow velocity V, the double-shaft motor (6) is started to control the flow and the flow velocity of the air entering the room by controlling the air volume adjusting mechanism and the air velocity adjusting mechanism;
and S4, the exhaust fan operates at a fixed frequency, indoor dirty air is guided to the outdoor through the air return opening (4), and finally the dirty air is exhausted to the outdoor through the air outlet (2).
8. The control method of the fresh air system for the high-rise building according to claim 1, wherein the wind speed sensor is a pipeline type wind speed transmitter, the wind speed range is 0-30 m/s, and the output current range is 4-20 mA; the air inlet fan and the air exhaust fan are both fixed-frequency fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210623760.2A CN114963386B (en) | 2022-06-02 | 2022-06-02 | Fresh air system for high-rise building and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210623760.2A CN114963386B (en) | 2022-06-02 | 2022-06-02 | Fresh air system for high-rise building and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114963386A true CN114963386A (en) | 2022-08-30 |
| CN114963386B CN114963386B (en) | 2024-01-05 |
Family
ID=82971291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210623760.2A Active CN114963386B (en) | 2022-06-02 | 2022-06-02 | Fresh air system for high-rise building and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114963386B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208008280U (en) * | 2018-03-30 | 2018-10-26 | 李建东 | A kind of buffering counterflow scavenging lift car |
| CN209341846U (en) * | 2018-12-10 | 2019-09-03 | 山东棱角建材科技有限公司 | It is a kind of can even regulation intake grate plate component |
| CN210107635U (en) * | 2019-03-21 | 2020-02-21 | 南京天华江南建筑设计有限公司 | Ventilation energy-saving system of green building |
| CN213212230U (en) * | 2020-09-11 | 2021-05-14 | 无锡奥港新能源有限公司 | Air volume regulator |
| CN113790518A (en) * | 2021-09-18 | 2021-12-14 | 珠海格力电器股份有限公司 | Fan control method and air conditioning unit |
-
2022
- 2022-06-02 CN CN202210623760.2A patent/CN114963386B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208008280U (en) * | 2018-03-30 | 2018-10-26 | 李建东 | A kind of buffering counterflow scavenging lift car |
| CN209341846U (en) * | 2018-12-10 | 2019-09-03 | 山东棱角建材科技有限公司 | It is a kind of can even regulation intake grate plate component |
| CN210107635U (en) * | 2019-03-21 | 2020-02-21 | 南京天华江南建筑设计有限公司 | Ventilation energy-saving system of green building |
| CN213212230U (en) * | 2020-09-11 | 2021-05-14 | 无锡奥港新能源有限公司 | Air volume regulator |
| CN113790518A (en) * | 2021-09-18 | 2021-12-14 | 珠海格力电器股份有限公司 | Fan control method and air conditioning unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114963386B (en) | 2024-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11204183B2 (en) | Ventilator with dual flow passages | |
| CN114234324A (en) | Ventilation energy-saving equipment for green building | |
| CN114963386A (en) | Fresh air system for high-rise building and control method thereof | |
| CN219589106U (en) | Energy-saving ventilation structure for building | |
| CN217439284U (en) | Building energy-saving heat-insulation ventilation curtain wall | |
| CN215723746U (en) | Dehumidifier with bypass | |
| CN114909752A (en) | Energy-conserving ventilation structure for architectural design | |
| CN214949551U (en) | Energy-saving ventilation structure for green building | |
| CN214746229U (en) | Novel building energy-saving ventilation device | |
| CN111256270B (en) | Intelligent fresh air system | |
| CN117948664B (en) | Combined ventilator unit equipment | |
| CN115111669A (en) | Energy-saving fresh air system and fresh air processing method thereof | |
| CN218442650U (en) | Building energy-saving intelligent air interchanger | |
| CN107621063B (en) | Window ventilation valve and fresh air system | |
| CN219494311U (en) | Energy-saving ventilation structure for building design | |
| CN218599923U (en) | Semiconductor fresh air flow velocity automatic control structure | |
| CN220421240U (en) | Ventilation mechanism of box-type transformer substation | |
| CN215863889U (en) | Passive ventilation device applied to buildings | |
| CN206419225U (en) | A kind of mosquito-proof ventilation fan | |
| CN218210024U (en) | Energy-conserving air-out mechanism of central air conditioning | |
| CN111969460A (en) | Ventilation and heat dissipation device for power grid transformer room | |
| CN221811367U (en) | Cross-section type external decoration ventilation structure on glass curtain wall | |
| CN117712889B (en) | Automatic prefabricated cabin of electric power of ventilation | |
| CN220771299U (en) | Building ventilation structure | |
| CN112484198B (en) | Intelligent fresh air system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |