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NL2033105B1 - Intelligent and efficient ventilation system for bathroom space - Google Patents

Intelligent and efficient ventilation system for bathroom space Download PDF

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Publication number
NL2033105B1
NL2033105B1 NL2033105A NL2033105A NL2033105B1 NL 2033105 B1 NL2033105 B1 NL 2033105B1 NL 2033105 A NL2033105 A NL 2033105A NL 2033105 A NL2033105 A NL 2033105A NL 2033105 B1 NL2033105 B1 NL 2033105B1
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NL
Netherlands
Prior art keywords
bathroom
area
exhaust pipe
pipe
horizontal
Prior art date
Application number
NL2033105A
Other languages
Dutch (nl)
Other versions
NL2033105A (en
Inventor
Lu Chuan
Yang Yao
Tao Boyuan
Luo Yifang
Ding Baoying
Lei Ding
Liu Wei
Chen Xin
Original Assignee
Univ Chongqing Sci & Tech
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Publication of NL2033105A publication Critical patent/NL2033105A/en
Application granted granted Critical
Publication of NL2033105B1 publication Critical patent/NL2033105B1/en

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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
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/20—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation
    • F24F8/22—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by sterilisation using UV light
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/003—Ventilation in combination with air cleaning
    • 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
    • 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
    • F24F7/10—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 air supply, or exhaust, through perforated wall, floor or ceiling

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)

Abstract

Disclosed is an intelligent and efficient ventilation system for a bathroom space. The system includes a bathroom, a bath area and a toilet area are arranged in the bathroom, a horizontal exhaust pipe is arranged in the bathroom, the horizontal exhaust pipe is connected to a bath area exhaust pipe and a toilet area exhaust pipe, an air inlet of the bath area exhaust pipe is positioned above the bath area, an air inlet of the toilet area exhaust pipe extends to the toilet area, and the horizontal exhaust pipe is further connected to a suction device. According to the present invention, water vapor generated by having a bath and aerosol pollutant gas can be accurately and quickly discharged, such that a risk that the water vapor and the aerosol pollutant gas diffuse to the bathroom space and adjacent spaces is obviously reduced.

Description

INTELLIGENT AND EFFICIENT VENTILATION SYSTEM FOR
BATHROOM SPACE
TECHNICAL FIELD
[DI] The present invention relates to a ventilation and exhaust device used in daily life, in particular to a partition ventilation system suitable for a bathroom space.
BACKGROUND ART
[02] A bathroom space not only is a place where indoor moisture pollution and aerosol pollution of a civil building mainly come from, but also is a major place where some infectious diseases cause cross infection through long-distance aerosol transmission and contact transmission. Thus, the bathroom space has become a main battlefield of China for enhancing the quality of human living environment by promoting a “toilet revolution” from the national level in recent years. An intelligent and efficient ventilation design and system play a prominent role in creating a healthy and comfortable air environment in the bathroom space. At present, ventilation of the bathroom space is basically achieved by installing an exhaust fan at a suspended ceiling at an upper middle portion of the bathroom space. However, through such as a ventilation design method, it is difficult to accurately and efficiently control diffusion of water vapor generated by having a bath and diffusion of aerosol pollution caused by going to the toilet and other behaviors, such that diffusion of water vapor and aerosol pollution (odor) is usually likely to occur in the whole bathroom space and even adjacent spaces, which severely affects the health and comfort of users in the bathroom space and the adjacent spaces.
SUMMARY
[03] In view of this, aiming at the above problems and defects of an existing ventilation technology for a bathroom space, the present invention provides an intelligent and efficient ventilation system for a bathroom space. According to the system, diffusion of water vapor generated by having a bath and diffusion of aerosol pollution caused by going to the toilet and other behaviors may be accurately controlled, comfort and safety of a user in the bathroom space are ensured, moreover, transmission of some infectious diseases in a horizontal space and a vertical space caused by aerosol diffusion in the bathroom space is prevented, and an urgent problem required to be solved in the technical field of intelligent and efficient adjustment and control of an indoor environment of a bathroom space of a civil building is solved.
[04] The technical solution of the system is as follows:
[05] an intelligent and efficient ventilation system for a bathroom space includes a bathroom. An access door is arranged at the bathroom, a suspended ceiling baffle is arranged at a top of the bathroom, and a bath area and a toilet area are arranged in the bathroom. The main points of the system: a horizontal exhaust pipe is arranged in the bathroom above the suspended ceiling baffle, the horizontal exhaust pipe is connected to a bath area exhaust pipe and a toilet area exhaust pipe, and the bath area exhaust pipe and the toilet area exhaust pipe are in communication with the horizontal exhaust pipe separately.
[06] An air inlet of the bath area exhaust pipe is positioned above the bath area, the air inlet of the bath area exhaust pipe faces the bath area, an air inlet of the toilet area exhaust pipe is positioned below the bath area, the air inlet of the toilet area exhaust pipe faces the toilet area, and the horizontal exhaust pipe is further connected to a suction device.
[07] The beneficial effects of the present invention: water vapor generated by having a bath and aerosol pollutant gas generated by going to the toilet and other behaviors may be accurately and quickly discharged, such that a risk that the water vapor and the aerosol pollutant gas diffuse to the bathroom space and adjacent spaces is obviously reduced.
BRIEF DESCRIPTION OF THE DRAWINGS
[08] FIG. 1 is a schematic structural diagram of the present invention;
[09] FIG. 2 is a schematic diagram of connection relations between a horizontal exhaust pipe 1, a bath area exhaust pipe 2 and a toilet area exhaust pipe 3; and
[10] FIG. 3 is a schematic connection diagram of a controller c¢, air valves 4, a suction fan 62, an ultraviolet sterilization device 7 and infrared sensors 5.
DETAILED DESCRIPTION OF THE EMBODIMENTS
[11] The present invention will be further described below with reference to the embodiments and the accompanying drawings.
[12] As shown in FIGs. 1 and 2, an intelligent and efficient ventilation system for a bathroom space includes a bathroom a. An access door is arranged at the bathroom a, a suspended ceiling baffle b is arranged at a top of the bathroom a, and a bath area and a toilet area are arranged in the bathroom a. A horizontal exhaust pipe 1 is arranged in the bathroom a above the suspended ceiling baffle b, the horizontal exhaust pipe 1 is connected to a bath area exhaust pipe 2 and a toilet area exhaust pipe 3, and the bath area exhaust pipe 2 and the toilet area exhaust pipe 3 are in communication with the horizontal exhaust pipe 1 separately.
[13] An air inlet of the bath area exhaust pipe 2 is positioned above the bath area, a bath area exhaust port corresponding to the bath area exhaust pipe 2 is provided on the suspended ceiling baftle b, and an opening of the air inlet of the bath area exhaust pipe 2 faces the bath area.
[14] A toilet exhaust port corresponding to the toilet area exhaust pipe 3 is provided on the suspended ceiling baftle b, an air inlet of the toilet area exhaust pipe 3 passes through the toilet exhaust port downwards to extend to the toilet area, and the air inlet of the toilet area exhaust pipe 3 faces the toilet area. Specifically, the horizontal exhaust pipe 1 is horizontally arranged, one end of the horizontal exhaust pipe 1 is connected to the bath area exhaust pipe 2 by means of a 45-degree elbow pipe, and the other end of the horizontal exhaust pipe 1 is connected to the toilet area exhaust pipe 3 by means of a 45-degree elbow pipe. The toilet area exhaust pipe 3 is vertically arranged, the toilet area exhaust pipe 3 is attached to and fixed on an inner wall of the bathroom a, and a lower end of the toilet area exhaust pipe 3 extends to the toilet area. Infrared sensors 5 are arranged on an outer wall of the air inlet of the bath area exhaust pipe 2 and an outer wall of the air inlet of the toilet area exhaust pipe 3 respectively, and shutters are installed at an opening of the air inlet of the bath area exhaust pipe 2 and an opening of the air inlet of the toilet area exhaust pipe 3 respectively.
[15] Two air valves 4 are installed on the horizontal exhaust pipe 1, and the two air valves 4 control connection and disconnection of the bath area exhaust pipe 2 and connection and disconnection of the toilet area exhaust pipe 3 respectively. The horizontal exhaust pipe 1 between the two air valves 4 is connected to the suction device 6.
[16] An ultraviolet sterilization device 7 corresponding to the toilet area exhaust pipe 3 is further arranged on the horizontal exhaust pipe 1, the ultraviolet sterilization device 7 is positioned at a downstream portion of the toilet area exhaust pipe 3, and the ultraviolet sterilization device 7 is positioned at an upstream portion of the corresponding air valve 4. The ultraviolet sterilization device 7 includes a mounting bracket, the mounting bracket is fixed in the horizontal exhaust pipe 1, and several ultraviolet lamps are arranged on the mounting bracket.
[17] The suction device 6 includes a suction pipe 61 a suction fan 62, the suction pipe 61 is in communication with the horizontal exhaust pipe 1, and the suction fan 62 is installed on the suction pipe 61.
[18] The horizontal exhaust pipe 1, the bath area exhaust pipe 2 and the toilet area exhaust pipe 3 are all square pipes. The suction pipe 61 is a round pipe, an upstream end of the suction pipe 61 is connected to a reducer, an upstream end of the reducer is 4 square opening, a downstream end of the reducer is a round opening, the upstream end of the reducer is in communication with the horizontal exhaust pipe 1, and the downstream end of the reducer is in communication with the upstream end of the suction pipe 61. The suction fan 62 is installed at a downstream end of the suction pipe 61.
[19] In combination with FIG. 3, it can be further seen that the system further includes a controller c. The controller c is electrically connected to the infrared sensors 5 for receiving signals of the infrared sensors 5. The controller c is electrically connected to the air valves 4, the suction fan 62 and the ultraviolet sterilization devices 5 7 separately.
[20] When the infrared sensors 5 detect that there is a person going to the toilet or having a bath, the controller controls the suction fan 62 to operate, and simultaneously the corresponding air valve 4 is opened to suck aerosol pollutant gas to the horizontal exhaust pipe 1. When the infrared sensors 5 detect that there is a person going to the toilet, the controller further controls the ultraviolet sterilization device 7 to be started, and the pollutant gas is sterilized by the ultraviolet sterilization device and finally is discharged outdoors. When the infrared sensors 5 detect that there is no person, corresponding mechanisms of the controller shut down. The air valves may further ensure a closed state of the bath area exhaust pipe 2 and a closed state of the toilet area exhaust pipe 3 that are not in use.
[21] In order to facilitate installation, the air valves 4, the suction fan 62 and the ultraviolet sterilization device 7 may be manufactured as an integrated module having a pipe. When the module is installed and connected to the horizontal exhaust pipe 1, the bath area exhaust pipe 2 and the toilet area exhaust pipe 3, a flange plate may be arranged for connection, so as to facilitate installation and replacement.
[22] Finally, it should be noted that the above description is only the preferred embodiment of the present invention. Under the inspiration of the present invention, a person of ordinary skill in the art can make various similar representations and changes without departing from the spirit of the present invention and the claims, such as changes of sizes of the exhaust pipes, changes of specific installation positions of the fans, the infrared sensors and the whole exhaust system, etc., and such changes all fall within the protection scope of the present invention.

Claims (9)

ConclusiesConclusions 1. Intelligent en efficiént ventilatiesysteem voor een badkamerruimte, dat een badkamer (a) omvat, waarbij een toegangsdeur gerangschikt is bij de badkamer (a), een opgehangen plafondscherm (b) gerangschikt is aan een bovenkant van de badkamer (a), een badgebied en een toiletgebied gerangschikt zijn in de badkamer (a), een horizontale uitlaatleiding (1) gerangschikt is in de badkamer (a) boven het opgehangen plafondscherm (b), waarbij de horizontale uitlaatleiding (1) verbonden is met een badgebied-uitlaatleiding (2) en een toiletgebied-uitlaatleiding (3) en waarbij de badgebied-uitlaatleiding (2) en de toiletgebied-uitlaatleiding (3) afzonderlijk in verbinding staan met de horizontale uitlaatleiding (1); en waarbij een luchtinlaat van de badgebied-uitlaatleiding (2) boven het badgebied gepositioneerd is, waarbij de luchtinlaat van de badgebied-uitlaatleiding (2) gekeerd is naar het badgebied, waarbij een luchtinlaat van de toiletgebied-uitlaatleiding (3) onder het badgebied gepositioneerd is, waarbij de luchtinlaat van het toiletgebied- uitlaatleiding (3) gekeerd is naar het toiletgebied en waarbij de horizontale uitlaatleiding (1) verder verbonden is met de afzuiginrichting (6).1. Intelligent and efficient ventilation system for a bathroom room, which includes a bathroom (a), an access door arranged at the bathroom (a), a suspended ceiling screen (b) arranged at a top of the bathroom (a), a bathing area and a toilet area are arranged in the bathroom (a), a horizontal outlet pipe (1) is arranged in the bathroom (a) above the suspended ceiling screen (b), the horizontal outlet pipe (1) being connected to a bath area outlet pipe (2 ) and a toilet area outlet conduit (3) and wherein the bath area outlet conduit (2) and the toilet area outlet conduit (3) are separately connected to the horizontal outlet conduit (1); and wherein an air inlet of the bathing area outlet duct (2) is positioned above the bathing area, the air inlet of the bathing area outlet ducting (2) faces the bathing area, wherein an air inlet of the toilet area outlet ducting (3) is positioned below the bathing area the air inlet of the toilet area outlet conduit (3) faces the toilet area and the horizontal outlet conduit (1) is further connected to the suction device (6). 2. Intelligent en efficiënt ventilatiesysteem voor een badkamerruimte volgens conclusie 1, waarbij twee luchtkleppen (4) geïnstalleerd zijn op de horizontale uitlaatleiding (1) en waarbij de twee luchtkleppen (4) respectievelijk koppeling en ontkoppeling van de badgebied-uitlaatleiding (2) en koppeling en ontkoppeling van de toiletgebied-uitlaatleiding (3) regelen.The intelligent and efficient ventilation system for a bathroom room according to claim 1, wherein two air valves (4) are installed on the horizontal exhaust pipe (1), and the two air valves (4) respectively connect and disconnect the bath area exhaust pipe (2) and coupling and control disconnection of the toilet area outlet line (3). 3. Intelligent en efficiënt ventilatiesysteem voor een badkamerruimte volgens conclusie 2, waarbij infraroodsensoren (5) geïnstalleerd zijn op respectievelijk een buitenwand van de luchtinlaat van de badgebied-uitlaatleiding (2) en een buitenwand van de luchtinlaat van de toiletgebied-uitlaatleiding (3).The intelligent and efficient bathroom room ventilation system according to claim 2, wherein infrared sensors (5) are installed on an outer wall of the air inlet of the bath area outlet duct (2) and an outer wall of the air inlet of the toilet area outlet duct (3) respectively. 4. Intelligent en efficiënt ventilatiesysteem voor een badkamerruimte volgens conclusie 3, waarbij de horizontale uitlaatleiding (1) horizontaal gerangschikt is, waarbij één eind van de horizontale uitlaatleiding (1) verbonden is met de badgebied- uitlaatleiding (2) door middel van een elleboogleiding, waarbij het andere eind van de horizontale uitlaatleiding (1) verbonden is met de toiletgebied-uitlaatleiding (3) door middel van een elleboogleiding, waarbij de toiletgebied-uitlaatleiding (3) verticaal gerangschikt is, waarbij de toiletgebied-uitlaatleiding (3) bevestigd is op en vastgezet is aan een binnenwand van de badkamer (a) en waarbij de luchtinlaat van de toiletgebied- uitlaatleiding (3) zich uitstrekt naar het toiletgebied; en waarbij de horizontale uitlaatleiding (1) tussen de twee luchtkleppen (4) verbonden is met de afzuiginrichting (6).The intelligent and efficient ventilation system for a bathroom room according to claim 3, wherein the horizontal exhaust pipe (1) is arranged horizontally, one end of the horizontal exhaust pipe (1) is connected to the bath area exhaust pipe (2) by an elbow pipe, the other end of the horizontal outlet pipe (1) being connected to the toilet area outlet pipe (3) by means of an elbow pipe, the toilet area outlet pipe (3) being arranged vertically, the toilet area outlet pipe (3) being fixed on and is fixed to an inner wall of the bathroom (a) and wherein the air inlet of the toilet area outlet conduit (3) extends to the toilet area; and wherein the horizontal exhaust pipe (1) between the two air valves (4) is connected to the suction device (6). 5. Intelligent en efficiént ventilatiesysteem voor een badkamerruimte volgens conclusie 4, waarbij een ultraviolette sterilisatie-inrichting (7) die overeenkomt met de toiletgebied-uitlaatleiding (3) verder gerangschikt is op de horizontale uitlaatleiding (1), waarbij de ultraviolette sterilisatie-inrichting (7) gepositioneerd is op een stroomafwaarts gedeelte van de toiletgebied-uitlaatleiding (3) en waarbij de ultraviolette sterilisatie-inrichting (7) gepositioneerd is op een stroomopwaarts gedeelte van de overeenkomstige luchtklep (4).The intelligent and efficient ventilation system for a bathroom room according to claim 4, wherein an ultraviolet sterilization device (7) corresponding to the toilet area outlet duct (3) is further arranged on the horizontal outlet duct (1), wherein the ultraviolet sterilization device ( 7) is positioned on a downstream portion of the toilet area outlet conduit (3) and the ultraviolet sterilization device (7) is positioned on an upstream portion of the corresponding air valve (4). 6. Intelligent en efficiënt ventilatiesysteem voor een badkamerruimte volgens conclusie 5, waarbij de afzuiginrichting (6) een afzuigleiding (61) en een afzuigventilator (62) omvat, waarbij de afzuigleiding (61) in verbinding staat met de horizontale uitlaatleiding (1) en waarbij de afzuigventilator (62) geïnstalleerd is op de afzuigleiding (61).The intelligent and efficient bathroom room ventilation system according to claim 5, wherein the exhaust device (6) comprises an exhaust duct (61) and an exhaust fan (62), the exhaust duct (61) being in communication with the horizontal exhaust duct (1), and wherein the exhaust fan (62) is installed on the exhaust pipe (61). 7. Intelligent en efficiënt ventilatiesysteem voor een badkamerruimte volgens conclusie 5, waarbij de ultraviolette sterilisatie-inrichting (7) een montagebeugel omvat, waarbij de montagebeugel vastgezet is in de horizontale uitlaatleiding (1) en waarbij verscheidene ultravioletlampen gerangschikt zijn op de montagebeugel.The intelligent and efficient ventilation system for a bathroom room according to claim 5, wherein the ultraviolet sterilization device (7) comprises a mounting bracket, the mounting bracket being fixed in the horizontal exhaust duct (1), and wherein a plurality of ultraviolet lamps are arranged on the mounting bracket. 8. Intelligent en efficiënt ventilatiesysteem voor een badkamerruimte volgens conclusie 6, waarbij de horizontale uitlaatleiding (1), de badgebied-uitlaatleiding (3) en de toiletgebied-uitlaatleiding (3) allemaal vierkante leidingen zijn; en waarbij de afzuigleiding (61) een ronde leiding is, waarbij een stroomopwaarts eind van de afzuigleiding (61) verbonden is met een verloopstuk, waarbij een stroomopwaarts eind van het verloopstuk een vierkante opening is, waarbij een stroomafwaarts eind van het verloopstuk een ronde opening is, waarbij het stroomopwaarts eind van het verloopstuk in verbinding staat met de horizontale uitlaatleiding (1), waarbij het stroomafwaarts eind van het verloopstuk in verbinding staat met het stroomopwaartse eind van de afzuigleiding (61) en waarbij de afzuigventilator (62) geinstalleerd is bij een stroomafwaarts eind van de afzuigleiding (61).The intelligent and efficient ventilation system for a bathroom room according to claim 6, wherein the horizontal exhaust duct (1), the bath area exhaust duct (3) and the toilet area exhaust duct (3) are all square ducts; and wherein the suction pipe (61) is a round pipe, an upstream end of the suction pipe (61) is connected to an adapter, an upstream end of the adapter is a square hole, a downstream end of the adapter is a round hole with the upstream end of the reducer communicating with the horizontal exhaust pipe (1), with the downstream end of the reducer communicating with the upstream end of the exhaust pipe (61), and with the exhaust fan (62) installed at a downstream end of the suction line (61). 9. Intelligent en efficiént ventilatiesysteem voor een badkamerruimte volgens conclusie 6 of 8, dat verder een regelaar (c) omvat, waarbij de regelaar (c) elektrisch verbonden is met de infraroodsensoren (5) voor het ontvangen van signalen van de infraroodsensoren (5); en waarbij de regelaar (c) afzonderlijk elektrisch verbonden is met de luchtkleppen (4), de afzuigventilator (62) en de ultraviolette sterilisatie-inrichting (7).An intelligent and efficient bathroom room ventilation system according to claim 6 or 8, further comprising a controller (c), the controller (c) being electrically connected to the infrared sensors (5) for receiving signals from the infrared sensors (5) ; and wherein the controller (c) is separately electrically connected to the air valves (4), the exhaust fan (62) and the ultraviolet sterilizer (7).
NL2033105A 2021-12-02 2022-09-22 Intelligent and efficient ventilation system for bathroom space NL2033105B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111460047.2A CN114110885A (en) 2021-12-02 2021-12-02 Intelligent high-efficiency ventilation system for bathroom space

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NL2033105B1 true NL2033105B1 (en) 2023-04-06

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NL2033104B1 (en) * 2022-06-24 2023-04-12 Univ Chongqing Sci & Tech Centralized exhaust system for public toilet
NL2033103B1 (en) * 2022-06-24 2023-03-31 Univ Chongqing Sci & Tech Centralized exhaust system for bathroom space of multi-story building

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CN114110885A (en) 2022-03-01

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