CN113266910A - Building ventilation intelligence energy-saving fan device - Google Patents

Building ventilation intelligence energy-saving fan device Download PDF

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Publication number
CN113266910A
CN113266910A CN202110383971.9A CN202110383971A CN113266910A CN 113266910 A CN113266910 A CN 113266910A CN 202110383971 A CN202110383971 A CN 202110383971A CN 113266910 A CN113266910 A CN 113266910A
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CN
China
Prior art keywords
main
signal
comparator
fan device
signal output
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Pending
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CN202110383971.9A
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Chinese (zh)
Inventor
梁慧敏
仝国芸
谷洪雁
韩宏彦
刘玉
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Hebei College of Industry and Technology
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Hebei College of Industry and Technology
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Priority to CN202110383971.9A priority Critical patent/CN113266910A/en
Publication of CN113266910A publication Critical patent/CN113266910A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/007Ventilation with forced flow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56Remote control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61Control or safety arrangements characterised by user interfaces or communication using timers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control 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
    • F24F11/77Control 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00Control inputs relating to users or occupants
    • F24F2120/10Occupancy
    • F24F2120/12Position of occupants
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention provides an intelligent energy-saving fan device for building ventilation, which belongs to the technical field of building ventilation equipment and comprises a fan main body, an analog-to-digital converter, a comparator and a main controller, wherein a main sleeve is arranged on one side of the fan main body, a frequency converter, a driving motor, an adjusting plate and a filter frame are arranged in the main sleeve, an output shaft of the driving motor is fixedly connected with the adjusting plate, and the driving motor is electrically connected with the main controller; the main sleeve is inserted with an air exhaust end plate, and the air exhaust end plate is provided with an air exhaust hole in a penetrating way; the end plate of airing exhaust is equipped with pyroelectric sensor, and pyroelectric sensor's output is connected with analog to digital converter's input, and analog to digital converter's output is connected with the input of comparator, and the reference end of comparator is connected with main control unit's output, and the output of comparator is connected with the input of main control unit, converter simultaneously, converter and driving motor electric connection. The invention can intelligently adjust the ventilation quantity according to the requirements in different independent spaces and reduce the operation energy consumption.

Description

Building ventilation intelligence energy-saving fan device
Technical Field
The invention belongs to the technical field of building ventilation equipment, and particularly relates to an intelligent energy-saving fan device for building ventilation.
Background
The building ventilation is divided into natural ventilation and mechanical ventilation, which means that dirty air in a building is directly or after being purified, discharged to the outside, and fresh air is supplemented, so that the indoor air environment is kept in accordance with the sanitary standard.
At present, central air conditioners are generally adopted in building ventilation settings of large buildings such as office buildings, office buildings and shopping malls, a distributed air supply system is completed by arranging air outlets in each small space, the electricity safety can be effectively guaranteed to a certain extent by the same dispatching of a property management center, and potential safety hazards caused by forgetting to close ventilation devices by some users are avoided; small air conditioners are generally selected and installed in small-space independently distributed buildings such as small-part large buildings and residential houses, have the advantages of flexibility in use, simplicity and convenience in operation and the like, and can meet different requirements of different users.
However, the distributed air supply system and the small air conditioner are controlled by manual operation of personnel during use, so that great resource waste, high power consumption and incapability of accurately meeting the requirements of different independent users exist to a certain extent, and operation and management cost is high. Therefore, how to research and design an intelligent energy-saving fan device for building ventilation is a problem which is urgently needed to be solved at present.
Disclosure of Invention
The invention aims to provide an intelligent energy-saving fan device for building ventilation, which aims to solve the problems that the existing building ventilation device cannot meet the requirements of different independent users, has large resource waste, high power consumption and high operation management cost.
In order to achieve the purpose, the invention adopts the technical scheme that: the intelligent energy-saving fan device for building ventilation comprises a fan main body, an analog-to-digital converter, a comparator and a main controller, wherein a main sleeve is arranged on one side of the fan main body, a frequency converter, a driving motor, an adjusting plate and a filter frame are arranged in the main sleeve, a through hole is formed in the adjusting plate in a penetrating manner, a filter hole is formed in the filter frame in a penetrating manner, filter materials are stored in the filter frame, the adjusting plate is attached to the filter frame and is rotationally connected with the filter frame through a rotating shaft, an output shaft of the driving motor is fixedly connected with the adjusting plate, and the driving motor is electrically connected with the main controller; the end part of the main sleeve, which is far away from the fan main body, is inserted with an air exhaust end plate, the air exhaust end plate is penetrated with an air exhaust hole, and the filter frame is positioned between the adjusting plate and the air exhaust end plate; the outer wall of the exhaust end plate is provided with a pyroelectric sensor, the signal output end of the pyroelectric sensor is connected with the signal input end of an analog-to-digital converter, the signal output end of the analog-to-digital converter is connected with the signal input end of a comparator, the reference end of the comparator is connected with the signal output end of a main controller, the signal output end of the comparator is simultaneously connected with the signal input ends of the main controller and a frequency converter, and the frequency converter is electrically connected with a driving motor.
By adopting the technical scheme, after the intelligent energy-saving fan device is started, the pyroelectric sensor collects human body infrared induction signals in an installed independent space in real time, the human body infrared induction signals are converted into digital signals through the analog-to-digital converter and then input into the comparator, the reference end of the comparator is compared and analyzed with the converted digital signals after acquiring preset standard signals, the comparison and analysis result is transmitted to the frequency converter, the frequency converter dynamically controls the rotating speed of the fan main body according to the comparison and analysis result, and the filter material filters and purifies the flowing gas; when the comparison and analysis result is lower than a preset threshold value, the frequency converter controls the fan main body to stop running according to the comparison and analysis result, meanwhile, the main controller controls the driving motor to start according to the comparison and analysis result, the driving motor starts to drive the adjusting plate to rotate, and the through holes and the filtering holes are arranged in a staggered mode after the adjusting plate rotates, so that the intelligent energy-saving fan device is conveniently isolated, and the environment stability in an independent space is guaranteed; the intelligent energy-saving fan device can intelligently adjust the ventilation volume according to the requirements in different independent spaces, namely, the energy consumption of the ventilation and purification process is reduced, the energy consumption of the operation of the fan main body can be reduced, the intelligent management is realized, the manual operation is not needed, and the operation is safe and reliable.
The invention is further configured to: the surface of the exhaust end plate, which is far away from the port of the main sleeve, is a convex surface, the exhaust holes are bent holes, and the air outlet directions of the bent holes are distributed in a divergent manner.
Through adopting above-mentioned technical scheme, the curved hole that the form distributes and convex surface cooperation make can be to comparatively even diffusion all around during the ventilation, and ventilation efficiency is high, avoids concentrating the discomfort that the personnel that ventilates in to independent space brought.
The invention is further configured to: the exhaust end plate is provided with a sealing boss along the circumferential direction, the sealing boss is in contact with the end face of the main sleeve, a threaded hole is formed in the sealing boss in a penetrating mode, and a bolt capable of being in threaded fit with the main sleeve is arranged in the threaded hole in a penetrating mode.
Through adopting above-mentioned technical scheme, after the end plate of airing exhaust was pegged graft with the main sleeve, sealed boss and main sleeve contact are fixed after passing the screw hole through the bolt for the installation of the end plate of airing exhaust is convenient with dismantle operation, has strengthened the gas tightness of the end plate of airing exhaust and main muffjoint simultaneously.
The invention is further configured to: and a humidifying layer is arranged between the filter frame and the exhaust end plate and is made of water-absorbing breathable cotton.
Through adopting above-mentioned technical scheme, the humidification layer carries out the prewetting to the gas after filtering purification and handles, can effectively guarantee ventilation gas's humidity.
The invention is further configured to: the inside cavity of humidification layer sets up, is equipped with atomizer and at least one deck atomizing pipe that is latticed distribution in the humidification layer, and the input port of atomizer is equipped with the inlet tube that passes the main sleeve, and the output port and the atomizing union coupling of atomizer.
Through adopting above-mentioned technical scheme, the atomizer carries out the spraying through the shower nozzle on the atomizing pipe after atomizing the liquid that the inlet tube was carried, is favorable to guaranteeing the humidity on humidification layer.
The invention is further configured to: the outer wall of the exhaust end plate is provided with a humidity sensor, the signal output end of the humidity sensor is connected with the signal input end of the main controller, and the signal input end of the atomizer is connected with the signal output end of the main controller.
Through adopting above-mentioned technical scheme, humidity sensor real-time supervision is humidity signal in the independent space, and main control unit handles the back to humidity signal and controls the atomizer and atomize, can control the atomizing volume and the atomizing time interval of atomizer in a flexible way, has guaranteed the humidity rationality on humidification layer.
The invention is further configured to: the main controller is provided with a signal detection unit and a timing unit; the signal input end of the signal detection unit is connected with the signal output end of the comparator, the signal output end of the timing unit is connected with the signal input end of the signal detection unit, and the signal output end of the signal detection unit is connected with the signal input end of the frequency converter.
By adopting the technical scheme, the signal detection unit detects the contrastive analysis result output by the comparator according to the timing information of the timing unit, and when the contrastive analysis result is in a relatively stable state in the timing information, the signal detection unit controls the frequency converter to keep stable speed regulation in a preset period, so that the energy consumption caused by frequent fine adjustment of the frequency converter can be reduced.
The invention is further configured to: the main controller is provided with a mode switching unit, the main sleeve is provided with a signal receiver, and the signal output end of the signal receiver is connected with the signal input end of the mode switching unit.
By adopting the technical scheme, the signal receiver receives the remote control signal and then transmits the remote control signal to the mode switching unit, the mode switching unit converts the intelligent mode of the intelligent energy-saving fan device into the manual mode according to the remote control signal and controls the frequency converter according to the received remote control signal, and the operation mode is diversified.
Compared with the prior art, the invention has the following beneficial effects:
1. the intelligent energy-saving fan device provided by the invention can intelligently adjust the ventilation volume according to the requirements in different independent spaces, so that the energy consumption in the ventilation and purification process is reduced, the energy consumption of the running of the fan main body can be reduced, the intelligent management is realized, the manual operation is not needed, and the running is safe and reliable;
2. the curved holes distributed in a divergent manner are matched with the convex surfaces, so that the curved holes can be uniformly diffused all around during ventilation, the ventilation efficiency is high, and discomfort caused by centralized ventilation to personnel in an independent space is avoided;
3. the humidity sensor monitors humidity signals in the independent space in real time, the main controller processes the humidity signals and then controls the atomizer to atomize, the atomization amount and the atomization time interval of the atomizer can be flexibly controlled, and the humidity rationality of a humidification layer is guaranteed;
4. the signal detection unit detects the comparison and analysis result output by the comparator according to the timing information of the timing unit, and when the comparison and analysis result in the timing information is in a relatively stable state, the signal detection unit controls the frequency converter to keep stable speed regulation in a preset period, so that the energy consumption caused by frequent fine adjustment of the frequency converter can be reduced;
5. the signal receiver receives the remote control signal and then transmits the remote control signal to the mode switching unit, the mode switching unit converts the intelligent mode of the intelligent energy-saving fan device into a manual mode according to the remote control signal, the frequency converter is controlled according to the received remote control signal, and the operation mode is diversified.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure in an embodiment of the present invention;
FIG. 2 is a schematic overall structure view of another perspective in an embodiment of the present invention;
FIG. 3 is a schematic overall exploded view of an embodiment of the present invention;
FIG. 4 is a schematic view of the internal structure in an embodiment of the present invention;
fig. 5 is a schematic diagram of the operation in the embodiment of the present invention.
Description of reference numerals:
101. a fan main body; 102. a main sleeve; 103. an air exhaust end plate; 104. an air exhaust hole; 105. a threaded hole; 106. sealing the boss; 107. an adjusting plate; 108. a through hole; 109. a filter frame; 110. a filtration pore; 201. a humidity sensor; 202. a humidifying layer; 203. a water inlet pipe; 204. an atomizer; 205. an atomizing tube; 301. a pyroelectric sensor; 302. a drive motor; 303. a frequency converter; 304. an analog-to-digital converter; 305. a comparator; 306. a main controller; 307. a signal detection unit; 308. a timing unit; 309. a mode switching unit; 310. a signal receiver.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following examples and accompanying fig. 1-5, wherein the exemplary embodiments and descriptions of the present invention are only used for explaining the present invention and are not used as limitations of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example (b): an intelligent energy-saving draught fan device for building ventilation is disclosed, as shown in fig. 1-5, and comprises a draught fan main body 101, an analog-to-digital converter 304, a comparator 305 and a main controller 306, wherein a main sleeve 102 is arranged on one side of the draught fan main body 101, a frequency converter 303, a driving motor 302, an adjusting plate 107 and a filtering frame 109 are arranged in the main sleeve 102, a through hole 108 is formed in the adjusting plate 107 in a penetrating manner, a filtering hole 110 is formed in the filtering frame 109 in a penetrating manner, filtering materials are stored in the filtering frame 109, the adjusting plate 107 is attached to the filtering frame 109 and is rotatably connected with the filtering frame 109 through a rotating shaft, an output shaft of the driving motor 302 is fixedly connected with the adjusting plate 107, and the driving motor 302 is electrically connected with the main controller 306; an air exhaust end plate 103 is inserted into the end part of the main sleeve 102 far away from the fan main body 101, an air exhaust hole 104 is formed in the air exhaust end plate 103 in a penetrating mode, and a filter frame 109 is located between the adjusting plate 107 and the air exhaust end plate 103; the outer wall of the exhaust end plate 103 is provided with a pyroelectric sensor 301, the signal output end of the pyroelectric sensor 301 is connected with the signal input end of an analog-to-digital converter 304, the signal output end of the analog-to-digital converter 304 is connected with the signal input end of a comparator 305, the reference end of the comparator 305 is connected with the signal output end of a main controller 306, the signal output end of the comparator 305 is simultaneously connected with the signal input ends of the main controller 306 and a frequency converter 303, and the frequency converter 303 is electrically connected with a driving motor 302. After the intelligent energy-saving fan device is started, the pyroelectric sensor 301 collects human body infrared induction signals in an installed independent space in real time, the human body infrared induction signals are converted into digital signals through the analog-to-digital converter 304 and then input into the comparator 305, the reference end of the comparator 305 obtains preset standard signals and then carries out contrastive analysis on the digital signals after the preset standard signals are obtained, the contrastive analysis results are transmitted to the frequency converter 303, the frequency converter 303 dynamically controls the rotating speed of the fan main body 101 according to the contrastive analysis results, and filtering materials filter and purify flowing gas; when the comparative analysis result is lower than the preset threshold value, the frequency converter 303 controls the fan main body 101 to stop running according to the comparative analysis result, meanwhile, the main controller 306 controls the driving motor 302 to start according to the comparative analysis result, the driving motor 302 starts to drive the adjusting plate 107 to rotate, and the through hole 108 and the filtering hole 110 are arranged in a staggered mode after the adjusting plate 107 rotates, so that the intelligent energy-saving fan device is conveniently isolated, and the stable environment in an independent space is ensured; the intelligent energy-saving fan device can intelligently adjust the ventilation volume according to the requirements in different independent spaces, namely, the energy consumption of the ventilation and purification process is reduced, the energy consumption of the operation of the fan main body 101 can be reduced, the intelligent management is realized, the manual operation is not needed, and the operation is safe and reliable.
As shown in fig. 2 and 4, the surface of the exhaust end plate 103 away from the end of the main sleeve 102 is convex, the exhaust holes 104 are curved holes, and the air outlet directions of the curved holes are distributed in a divergent manner. The cooperation of the curved hole and the convex surface which are distributed in a divergent mode enables ventilation to be conducted uniformly all around, ventilation efficiency is high, and discomfort caused by centralized ventilation to personnel in an independent space is avoided.
As shown in fig. 2 and 3, the exhaust end plate 103 is provided with a sealing boss 106 along its circumferential direction, the sealing boss 106 is in contact with the end face of the main sleeve 102, the sealing boss 106 is provided with a threaded hole 105, and the threaded hole 105 is provided with a bolt capable of being in threaded fit with the main sleeve 102. After the exhaust end plate 103 is inserted into the main sleeve 102, the sealing boss 106 contacts with the main sleeve 102 and is fixed after passing through the threaded hole 105 through a bolt, so that the exhaust end plate 103 is convenient to mount and dismount, and meanwhile, the air tightness of the connection between the exhaust end plate 103 and the main sleeve 102 is enhanced.
As shown in fig. 3 and 4, a humidification layer 202 is provided between the filter frame 109 and the air discharge end plate 103, and the humidification layer 202 is made of water-absorbing air-permeable cotton. The humidification layer 202 carries out pre-humidification treatment on the filtered and purified gas, and can effectively ensure the humidity of the ventilation gas.
As shown in fig. 4 and 5, the humidifying layer 202 is hollow, an atomizer 204 and at least one layer of atomizing pipes 205 distributed in a grid shape are arranged in the humidifying layer 202, an inlet pipe 203 penetrating through the main sleeve 102 is arranged at an inlet port of the atomizer 204, and an outlet port of the atomizer 204 is connected with the atomizing pipes 205. After the atomizer 204 atomizes the liquid delivered by the water inlet pipe 203, the liquid is sprayed by the spray head on the atomizing pipe 205, which is beneficial to ensuring the humidity of the humidifying layer 202.
As shown in fig. 2 and 5, a humidity sensor 201 is disposed on an outer wall of the exhaust end plate 103, a signal output end of the humidity sensor 201 is connected to a signal input end of a main controller 306, and a signal input end of the atomizer 204 is connected to a signal output end of the main controller 306. Humidity sensor 201 monitors the humidity signal in the independent space in real time, and main control unit 306 handles the humidity signal and controls atomizer 204 and atomize, can control the atomizing volume and the atomizing time interval of atomizer 204 in a flexible way, has guaranteed the humidity rationality of humidification layer 202.
As shown in fig. 5, the main controller 306 is configured with a signal detection unit 307 and a timing unit 308; the signal input end of the signal detection unit 307 is connected to the signal output end of the comparator 305, the signal output end of the timing unit 308 is connected to the signal input end of the signal detection unit 307, and the signal output end of the signal detection unit 307 is connected to the signal input end of the frequency converter 303. The signal detection unit 307 detects the comparative analysis result output by the comparator 305 according to the timing information of the timing unit 308, and when the comparative analysis result in the timing information is in a relatively stable state, the signal detection unit 307 controls the frequency converter 303 to keep stable speed regulation in a preset period, so that energy consumption caused by frequent fine adjustment of the frequency converter 303 can be reduced.
As shown in fig. 5, the main controller 306 is configured with a mode switching unit 309, the main sleeve 102 is provided with a signal receiver 310, and a signal output end of the signal receiver 310 is connected with a signal input end of the mode switching unit 309. The signal receiver 310 receives the remote control signal and transmits the remote control signal to the mode switching unit 309, the mode switching unit 309 converts the intelligent mode of the intelligent energy-saving fan device into a manual mode according to the remote control signal, and the frequency converter 303 is controlled according to the received remote control signal, so that the operation modes are diversified.
The working principle is as follows: after the intelligent energy-saving fan device is started, the pyroelectric sensor 301 collects human body infrared induction signals in an installed independent space in real time, the human body infrared induction signals are converted into digital signals through the analog-to-digital converter 304 and then input into the comparator 305, the reference end of the comparator 305 obtains preset standard signals and then carries out contrastive analysis on the digital signals after the preset standard signals are obtained, the contrastive analysis results are transmitted to the frequency converter 303, the frequency converter 303 dynamically controls the rotating speed of the fan main body 101 according to the contrastive analysis results, and filtering materials filter and purify flowing gas; when the contrastive analysis result is lower than the preset threshold value, the frequency converter 303 controls the fan main body 101 to stop running according to the contrastive analysis result, meanwhile, the main controller 306 controls the driving motor 302 to start according to the contrastive analysis result, the driving motor 302 starts to drive the adjusting plate 107 to rotate, the adjusting plate 107 rotates to enable the through hole 108 and the filter hole 110 to be arranged in a staggered mode, the intelligent energy-saving fan device is conveniently isolated, and the stable environment in an independent space is guaranteed.
The above embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above embodiments are merely exemplary embodiments of the present invention and are not intended to limit the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (8)

1. The utility model provides an energy-conserving fan device of building ventilation intelligence, a serial communication port, including fan main part (101), analog to digital converter (304), comparator (305), main control unit (306), fan main part (101) one side is equipped with main sleeve (102), be equipped with converter (303) in main sleeve (102), driving motor (302), regulating plate (107), filter frame (109), through-hole (108) are worn to be equipped with in regulating plate (107), filter hole (110) are worn to be equipped with in filter frame (109), filter the material in filter frame (109), regulating plate (107) and filter frame (109) laminating and rotate through the axis of rotation and be connected, driving motor's (302) output shaft and regulating plate (107) fixed connection, driving motor (302) and main control unit (306) electric connection; an air exhaust end plate (103) is inserted into the end part of the main sleeve (102) far away from the fan main body (101), an air exhaust hole (104) is formed in the air exhaust end plate (103) in a penetrating mode, and the filter frame (109) is located between the adjusting plate (107) and the air exhaust end plate (103); the outer wall of the exhaust end plate (103) is provided with a pyroelectric sensor (301), the signal output end of the pyroelectric sensor (301) is connected with the signal input end of an analog-to-digital converter (304), the signal output end of the analog-to-digital converter (304) is connected with the signal input end of a comparator (305), the reference end of the comparator (305) is connected with the signal output end of a main controller (306), the signal output end of the comparator (305) is simultaneously connected with the main controller (306), the signal input end of a frequency converter (303) is connected, and the frequency converter (303) is electrically connected with a driving motor (302).
2. The intelligent energy-saving building ventilation fan device as claimed in claim 1, wherein the surface of the exhaust end plate (103) away from the end of the main sleeve (102) is convex, the exhaust holes (104) are curved holes, and the air outlet directions of the curved holes are distributed in a divergent manner.
3. The intelligent energy-saving ventilation fan device for buildings according to claim 1, wherein the exhaust end plate (103) is provided with a sealing boss (106) along the circumferential direction thereof, the sealing boss (106) contacts with the end face of the main sleeve (102), the sealing boss (106) is provided with a threaded hole (105) in a penetrating manner, and the threaded hole (105) is provided with a bolt capable of being in threaded fit with the main sleeve (102) in a penetrating manner.
4. The intelligent energy-saving building ventilation fan device as claimed in claim 1, wherein a humidification layer (202) is arranged between the filter frame (109) and the exhaust end plate (103), and the humidification layer (202) is made of water-absorbing breathable cotton.
5. The building ventilation intelligent energy-saving fan device as claimed in claim 4, wherein the humidifying layer (202) is hollow, an atomizer (204) and at least one layer of atomizing pipes (205) are arranged in the humidifying layer (202), an inlet pipe (203) penetrating through the main sleeve (102) is arranged at an inlet port of the atomizer (204), and an outlet port of the atomizer (204) is connected with the atomizing pipes (205).
6. The intelligent energy-saving building ventilation fan device as claimed in claim 1, wherein a humidity sensor (201) is arranged on the outer wall of the exhaust end plate (103), the signal output end of the humidity sensor (201) is connected with the signal input end of the main controller (306), and the signal input end of the atomizer (204) is connected with the signal output end of the main controller (306).
7. The intelligent energy-saving building ventilation fan device as claimed in claim 1, wherein the main controller (306) is configured with a signal detection unit (307) and a timing unit (308); the signal input end of the signal detection unit (307) is connected with the signal output end of the comparator (305), the signal output end of the timing unit (308) is connected with the signal input end of the signal detection unit (307), and the signal output end of the signal detection unit (307) is connected with the signal input end of the frequency converter (303).
8. The intelligent energy-saving building ventilation fan device as claimed in claim 1, wherein the main controller (306) is configured with a mode switching unit (309), the main sleeve (102) is provided with a signal receiver (310), and a signal output end of the signal receiver (310) is connected with a signal input end of the mode switching unit (309).
CN202110383971.9A 2021-04-09 2021-04-09 Building ventilation intelligence energy-saving fan device Pending CN113266910A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013132876A1 (en) * 2012-03-09 2013-09-12 パナソニック株式会社 Ventilation fan and ventilation system
CN204790027U (en) * 2015-05-20 2015-11-18 深圳通感微电子有限公司 Human induction system and system
CN108317658A (en) * 2018-01-29 2018-07-24 北京欧美中科学技术研究院 For purifier used fresh air system
CN211781741U (en) * 2020-02-25 2020-10-27 上海宽夫安防设备工程有限公司 Intelligent indoor ventilation device for building

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013132876A1 (en) * 2012-03-09 2013-09-12 パナソニック株式会社 Ventilation fan and ventilation system
CN204790027U (en) * 2015-05-20 2015-11-18 深圳通感微电子有限公司 Human induction system and system
CN108317658A (en) * 2018-01-29 2018-07-24 北京欧美中科学技术研究院 For purifier used fresh air system
CN211781741U (en) * 2020-02-25 2020-10-27 上海宽夫安防设备工程有限公司 Intelligent indoor ventilation device for building

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