CN114646111A - Ventilator for performing centralized ventilation of each room and method for controlling ventilator - Google Patents

Ventilator for performing centralized ventilation of each room and method for controlling ventilator Download PDF

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Publication number
CN114646111A
CN114646111A CN202111300117.8A CN202111300117A CN114646111A CN 114646111 A CN114646111 A CN 114646111A CN 202111300117 A CN202111300117 A CN 202111300117A CN 114646111 A CN114646111 A CN 114646111A
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Prior art keywords
ventilation
room
centralized
concentrated
air
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CN202111300117.8A
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CN114646111B (en
Inventor
朴真闰
金倞德
金羽龙
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Kyungdong Navien Co Ltd
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Kyungdong Navien Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • 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
    • F24F11/0001—Control or safety arrangements for ventilation
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • 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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • 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
    • 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
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/50—Air quality properties
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Fluid Mechanics (AREA)
  • Ventilation (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention relates to a ventilator that performs concentrated ventilation for each room and a method for controlling a ventilator, and according to an embodiment of the present invention, the ventilator includes: a fan which flows air indoors or outdoors; a diffuser installed at each chamber to supply or discharge air flowing by the fan to the plurality of chambers; and a control unit controlling the fan and the diffuser, wherein the control method includes: a step in which the control unit determines a centralized ventilation room in consideration of a set air volume of a diffuser and a maximum air volume of the ventilator, when receiving a centralized ventilation request signal from a centralized ventilation request room, for centralized ventilation in the centralized ventilation request room; and a step of performing a central ventilation operation for the determined central ventilation chamber.

Description

Ventilator for performing centralized ventilation of each room and method for controlling ventilator
Technical Field
The present invention relates to a ventilator and a control method for performing concentrated ventilation in each room, and more particularly, to a ventilator and a control method for a ventilator that perform concentrated ventilation in each room to improve air quality as quickly as possible.
Background
Ventilation devices as devices for improving indoor air quality by discharging indoor air to the outside and supplying outdoor air to the inside, generally, an indoor space has a plurality of chambers, and thus each chamber ventilation device for performing ventilation of each chamber for the plurality of chambers is required.
In particular, since air quality is less favorable in a plurality of rooms due to frequent stay of people or influence of the surrounding environment, there are rooms having a higher necessity of ventilation than other rooms, and there is a necessity of performing concentrated ventilation for each of these rooms.
However, since the amount of air that can be output by the ventilator is fixed, when the concentrated ventilation request signals are received from a plurality of rooms, concentrated ventilation cannot be performed for all of the rooms, and if only the Last received concentrated ventilation request is received and all previous concentrated ventilation is ended according to the Last-Order (Last-Order) principle, the ventilator cannot perform concentrated ventilation even when the concentrated ventilation is still performed, and thus ventilation efficiency is lowered.
[ Prior Art document ]
[ patent literature ] A
(patent document 1) JP 1996219507A
Disclosure of Invention
(problems to be solved)
The present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a ventilator and a ventilator control method for performing concentrated ventilation of each room, which can perform concentrated ventilation of each room according to a final command rule and determine a concentrated ventilation room in consideration of the remaining air volume of the ventilator, thereby performing concentrated ventilation quickly and efficiently.
(means for solving the problems)
According to an embodiment of the present invention, a ventilation apparatus includes: a fan which flows air indoors or outdoors; a diffuser installed at each chamber to supply or discharge air flowing by the fan to the plurality of chambers; and a control unit controlling the fan and the diffuser, and a control method of the ventilator performing centralized ventilation of the respective chambers may include: a step in which the control unit determines a centralized ventilation room in consideration of a set air volume of a diffuser and a maximum air volume of the ventilator, when receiving a centralized ventilation request signal from a centralized ventilation request room, for centralized ventilation in the centralized ventilation request room; and a step of performing a central ventilation operation for the determined central ventilation chamber.
Further, according to an embodiment of the present invention, when the centralized ventilation chamber is determined to have been executed in the step of determining the centralized ventilation chamber, if a sum of an air volume of a diffuser set for the centralized ventilation of the additional centralized ventilation chamber and an air volume of a diffuser set for the centralized ventilation of the executed centralized ventilation chamber does not exceed a maximum air volume of the ventilator, the executed centralized ventilation chamber is determined as a new centralized ventilation chamber together with the additional centralized ventilation chamber; or the sum of the diffuser air volume set for the concentrated ventilation of the additional concentrated ventilation chamber and the diffuser air volume set for the concentrated ventilation of the performed concentrated ventilation chamber exceeds the maximum air volume of the ventilation device, the additional concentrated ventilation chamber is determined as a new concentrated ventilation chamber compared to the performed concentrated ventilation chamber.
Further, according to an embodiment of the invention, the step of performing a central ventilation operation for said determined central ventilation chamber is followed by a set minimum time TminThen, the air quality of the centralized air exchange chamber reaches an upper limit critical value, or the set maximum time T is reached before the air quality reaches the upper limit critical valuemaxThen become knotThe beam performs a centralized ventilation operation of the centralized ventilation chamber.
In one aspect, according to an embodiment of the present invention, before the step of performing the centralized ventilation operation on the determined centralized ventilation chamber, the method may include: a step of reducing the RPM of the fan; adjusting the opening/closing state of a diffuser of the centralized ventilation chamber when the RPM of the fan is reduced; and changing the RPM of the fan to a preset value for the concentrated ventilation operation after the adjustment of the opening/closing state of the diffuser is completed. By this, while concentrated ventilation can be performed quickly, damage of the diffuser can be prevented, and uncomfortable sound to the user can be prevented.
In one aspect, a ventilator according to an embodiment of the present invention may include: fans including an air supply fan that supplies air from the outside to the inside of the room to ventilate the room, and an air discharge fan that discharges air from the inside of the room to the outside of the room; diffusers attached to the respective chambers so as to supply or discharge air flowing from the fan to the plurality of chambers, and capable of being opened and closed by adjusting an opening rate; and a control unit that adjusts the fan and the diffuser and controls execution of concentrated ventilation of the respective chambers, the control unit including: and a concentrated ventilation determination module which receives the concentrated ventilation request signal from the concentrated ventilation request room, and determines the concentrated ventilation room in consideration of the set air volume of the diffuser and the maximum air volume of the ventilator for concentrated ventilation in the concentrated ventilation request room.
In addition, the ventilation apparatus for performing concentrated ventilation of each room according to an embodiment of the present invention may further include: a feedback module that confirms a change in RPM of the fan or a change in an open/close state of a diffuser of the centralized ventilation chamber; and a centralized ventilation ending module for judging the set minimum time TminThen, the air quality of the centralized air exchange chamber reaches an upper limit critical value, or the set maximum time T is reached before the air quality reaches the upper limit critical valuemax。
At this time, according to an embodiment of the present invention, the method may include: and the sensor unit comprises at least one of a sensor, an air monitor, a sub-room controller and a main room controller which are installed in each room, so that the centralized ventilation ending module can judge the air quality.
(effect of the invention)
According to an embodiment of the present invention, the additional centralized ventilation chamber performs centralized ventilation according to the last command principle while performing centralized ventilation of the additional centralized ventilation chamber and having a residual air volume in the maximum air volume of the ventilation device, so that centralized ventilation can be continuously performed with respect to the performed centralized ventilation chamber, thereby being effective and economical and contributing to the efficiency of centralized ventilation.
In addition, the state of the fan is controlled before the concentrated ventilation operation is performed, thereby preventing damage of the ventilation device and preventing unpleasant sound, so that the user experience can be improved.
Drawings
Fig. 1 is a schematic block diagram showing a configuration of a ventilator according to an embodiment of the present invention.
Fig. 2 is a flowchart illustrating a control method of a ventilator that performs centralized ventilation of each room according to an embodiment of the present invention.
Fig. 3 is a flowchart illustrating a method of controlling a ventilator that performs centralized ventilation of each room, in which a centralized ventilation room is determined according to an embodiment of the present invention.
Fig. 4 is a flowchart illustrating the end of the concentrated ventilation operation in the control method of the ventilator that performs concentrated ventilation of each room according to the embodiment of the present invention.
[ notation ] to show
100: air interchanger
110: control unit
1101: centralized ventilation determination module
1102: feedback module
1103: centralized ventilation ending module
120 a: air supply fan
120 b: exhaust fan
120: fan with cooling device
10a,10b,10c,10 d: air supply diffuser
11a,11b,11c,11 d: exhaust gas diffuser
10,11: diffuser device
12a,12b,12c,12d, 12: sensor unit
20a,20b,20c,20 d: house
Detailed Description
Hereinafter, the chronological order of each step is not limited to the listed order, and those skilled in the art will be obvious that the chronological order of each step may be replaced, changed, or omitted.
Fig. 1 is a schematic block diagram showing a configuration of a ventilator according to an embodiment of the present invention, and fig. 2 is a flowchart showing a control method of a ventilator that performs centralized ventilation of each room according to an embodiment of the present invention.
As shown in fig. 1, a plurality of rooms may exist in the indoor space, and may have a largest-sized living room 20d, and may include a room one 20a, a room two 20b, and a room three 20 c. In this case, the size of the living room may be larger than one to three rooms, which may be the same or different.
An air supply diffuser 10 for supplying air into the room and an air discharge diffuser 11 for discharging air to the outside may be provided at each of the plurality of rooms, and a sensor unit 12 for detecting or sensing the air quality of each room, respectively, may be provided at each room.
As shown in fig. 1, the ventilating device 100 may include a fan 120, diffusers 10 and 11, and a control unit 110, the fan 120 including an air supply fan 120a for supplying air to the indoor and an air discharge fan 120b for discharging air from the indoor to the outdoor; the diffusers 10,11 include a supply diffuser 10 and an exhaust diffuser 11 installed at each chamber; the control unit 110 controls the fan 120 and the diffusers 10, 11.
As an example, the ventilator 100 may be a clean ventilator.
Accordingly, when the sensor unit 12 installed in each room receives a concentrated ventilation request signal, such as a case where it is sensed that the air quality is less than or equal to the lower limit critical value or there is an input from a user, the control unit 110 may adjust the fan 120 and the diffusers 10 and 11 according to the concentrated ventilation request, and control the concentrated ventilation operation to be performed.
As an example, the intensive ventilation operation is to select the ventilation mode of the ventilator 100 and drive the air volume to the maximum air volume that the ventilator 100 can output. The operation of driving the ventilator 100 with the preset maximum air volume without considering the noise caused by the ventilation operation may be defined as a concentrated ventilation operation or a concentrated ventilation mode. The concentrated ventilation operation may be performed when rapid air quality improvement is desired only for one of the plurality of chambers.
As an example, in order to perform the concentrated ventilation operation in each of the rooms 20a,20b,20c,20d, the opening value or the air volume of the diffusers 10,11 for the concentrated ventilation operation may be previously set in each of the rooms in consideration of the size of each of the rooms 20a,20b,20c,20d, the number of diffusers 10,11 installed in each of the rooms 20a,20b,20c,20d, and the like.
Thus, the ventilating device 100 according to an embodiment of the present invention may include a fan 120 to flow air indoors or outdoors, diffusers 10,11 installed at respective rooms to supply or discharge the air flowing by the fan 120 to the plurality of rooms 20, and a control unit 110 to control the fan 120 and the diffusers 10, 11.
As shown in fig. 2, a control method of a ventilator 100 that performs centralized ventilation of each room according to an embodiment of the present invention may include: a step S210 in which the control unit 110 receives a central ventilation request signal from a central ventilation request room, and determines a central ventilation room in consideration of a set air volume of a diffuser and a maximum air volume of the ventilator 100 for the central ventilation of the central ventilation request room; and a step S220 of performing a concentrated ventilation operation for the determined concentrated ventilation chamber.
In S210, the central ventilation request signal is received from the central ventilation request room, and the central ventilation request room may be immediately determined as the central ventilation room so as to perform the central ventilation operation.
However, when a central ventilation room is executed, that is, when there is a room in which the central ventilation operation is executed before the central ventilation request signal is received from the central ventilation request room, in order to determine whether or not the central ventilation operation of the central ventilation room is maintained, the air volume of the diffuser set for the central ventilation of the central ventilation request room and the maximum air volume of the ventilator 100 may be considered.
Fig. 3 is a flowchart illustrating the determination of the concentrated ventilation chamber in the control method of the ventilator that performs concentrated ventilation of each chamber according to the embodiment of the present invention, and S210 will be described in detail below.
According to an embodiment of the present invention, when the centralized ventilation chamber is determined to have been performed in step S210, if the sum of the diffuser air volume set for the centralized ventilation of the additional centralized ventilation chamber and the diffuser air volume set for the centralized ventilation of the performed centralized ventilation chamber does not exceed the maximum air volume of the ventilator, the performed centralized ventilation chamber is determined as a new centralized ventilation chamber together with the additional centralized ventilation chamber and the centralized ventilation operation of the performed centralized ventilation chamber can be continuously performed, or if the sum of the diffuser air volume set for the centralized ventilation of the additional centralized ventilation chamber and the diffuser air volume set for the centralized ventilation of the performed centralized ventilation chamber exceeds the maximum air volume of the ventilator, the additional centralized ventilation chamber is determined as a new centralized ventilation chamber compared to the performed centralized ventilation chamber, and may stop performing the intensive ventilation operation of the performed intensive ventilation chamber.
As shown in fig. 3, it is confirmed whether there is a central ventilation request in the central ventilation request room S301, and if a central ventilation request is received in the central ventilation request room ('yes' in S301), it is determined whether there is a central ventilation room in which the central ventilation has been performed (S302).
When there is a room in which concentrated ventilation has been performed ('yes' in S302), a plurality of rooms in which concentrated ventilation is currently requested to be performed are present, and the diffuser control gain G is obtained by calculating the maximum air volume of the ventilation device and the air volume of the diffuser in which concentrated ventilation has been performed and the air volume of the diffuser in the room in which concentrated ventilation is requested to be performed (S303). The diffuser control gain G may be used to determine whether a centralized ventilation operation of the centralized ventilation chamber has been performed.
For example, when a centralized ventilation request is received from the living room 20d while the room one 20a performs the centralized ventilation operation, the maximum air volume that can be output by the ventilator 100 is 300, the capacity of the diffuser 10a that has been set for the output of the room one 20a for the centralized ventilation operation is 100, and the diffuser capacity of the rooms 20a,20d to be subjected to the centralized ventilation operation is 200+100, that is, 300, when the capacity of the diffuser 10d that has been set for the output of the room one 20d for the centralized ventilation operation is 200.
In this case, G is equal to 300/300 equal to 1, which is the maximum air volume that can be output by the ventilator 100/the capacity of the room to be subjected to the concentrated ventilation operation.
Therefore, the performed central ventilation chamber is continuously determined as the central ventilation chamber using the G, and it is determined whether the central ventilation operation is performed.
As shown in fig. 3, when G is 1 or more (yes in S304), even if the concentrated ventilation operation is performed for all rooms in which the concentrated ventilation operation is required, the ventilator 100 can receive the output, and thus, both the concentrated ventilation requesting room and the executed concentrated ventilation room can be determined as the concentrated ventilation rooms (S306).
For example, in the above example, if G is 1, the control unit 110 determines both the living room 20d as the central ventilation request room and the room 20a as the room in which the central ventilation has been performed as the central ventilation rooms, and may perform the central ventilation operation in the determined central ventilation rooms 20a and 20 d.
On the contrary, when G is less than 1 ('no' in S304), the concentrated ventilation operation is performed on all rooms requiring the concentrated ventilation operation over the maximum output of the ventilation device 100, and therefore, only the concentrated ventilation request room is determined as the concentrated ventilation room (S307).
Specifically, for example, after the first room 20a and the second room 20b sequentially request the intensive ventilation operation, when the intensive ventilation request from the living room 20d is received while the intensive ventilation operation is performed, the maximum air volume that can be output by the ventilator 100 is 300, the capacity of the diffuser 10a that has been set for the output of the first room 20a for the intensive ventilation operation is 100, the capacity of the diffuser 10b that has been set for the output of the second room 20b for the intensive ventilation operation is 100, and the required diffuser capacity of the rooms 20a,20b,20d to be subjected to the intensive ventilation operation is 100+100+200, that is, 400, when the capacity of the diffuser 10d that has been set for the output of the living room 20d for the intensive ventilation operation is 200.
At this time, G is 0.75 as the maximum air volume that can be output by the ventilator 100/the capacity of the room to be subjected to the concentrated ventilation operation, and G is 300/400.
When G is less than 1, the capacity of the diffusers 10a,10b,10d of the rooms 20a,20b,20d to be subjected to the concentrated ventilation operation exceeds the maximum air volume of the ventilation device 100, and therefore, the concentrated ventilation operation cannot be performed on all the rooms 20a,20b,20d to be subjected to the concentrated ventilation operation.
Accordingly, according to the Last Order principle, only the living room 20d newly requesting the concentrated ventilation operation is determined as the concentrated ventilation room, and the concentrated ventilation operation is stopped for the other rooms one 20a and two 20 b.
Or, for example, when a centralized ventilation request is received from the living room 20d while the centralized ventilation operation is performed after the rooms one 20a and two 20b sequentially request the centralized ventilation operation, according to another embodiment of the present invention, the diffuser capacities of the rooms one 20a and two 20b, in which the centralized ventilation room has been performed, are 100, respectively, and the capacity of the set diffuser 10d of the living room 20d is subtracted from the maximum air volume of the ventilation device 100 (300 and 200), the centralized ventilation operation can be performed at one room (room one or room two) 20a by the remaining 100.
Accordingly, according to the Last Order principle, only the living room 20d and the room two 20b newly requesting the concentrated ventilation operation are determined as the concentrated ventilation rooms, and the concentrated ventilation operation is performed, and the room one 20a, which requested the concentrated ventilation operation at the earliest, is no longer the concentrated ventilation room, and thus, the concentrated ventilation operation may be stopped.
That is, when there are a plurality of executed concentrated ventilation rooms, if the sum of the diffuser air volume set for the concentrated ventilation of the additional concentrated ventilation room and the diffuser air volume set for the concentrated ventilation of the executed concentrated ventilation room exceeds the maximum air volume of the ventilator, the concentrated ventilation of the executed concentrated ventilation room for the previously received concentrated ventilation request may be stopped in chronological order of receiving the concentrated ventilation request until the sum of the diffuser air volume set for the concentrated ventilation of the additional concentrated ventilation room and the diffuser air volume set for the concentrated ventilation of the executed concentrated ventilation room for the subsequently received concentrated ventilation request does not exceed the maximum air volume of the ventilator.
On the one hand, if the centralized ventilation request is not received from the centralized ventilation request room (no in S301), the system returns to the start standby again until the centralized ventilation request is received.
When a central ventilation request is received from a central ventilation request room ('yes' in S301), there is no central ventilation room that has been executed ('no' in S302), the room that requests the central ventilation operation is one central ventilation request room, and thus, the central ventilation request room is determined as the central ventilation room and the central ventilation operation is executed (S305).
In one aspect, fig. 4 is a flowchart illustrating the end of the execution of the intensive ventilation operation in the control method of the ventilation apparatus 100 according to an embodiment of the present invention.
According to an embodiment of the present invention, after the step S220 of performing the concentrated ventilation operation for the determined concentrated ventilation chamber, a set minimum time T is setminThen, the air quality of the centralized air exchange chamber reaches an upper limit critical value, or the set maximum time T is reached before the air quality reaches the upper limit critical valuemaxThe performance of the intensive ventilation operation of the intensive ventilation chamber may be ended.
As described above, the central ventilation room receives the central ventilation request from the central ventilation request room during the execution of the central ventilation operation, and the execution of the central ventilation operation may be stopped when the sum of the diffuser air volume set for adding the central ventilation of the central ventilation room and the diffuser air volume set for executing the central ventilation of the central ventilation room exceeds the maximum air volume of the ventilator.
Further, as shown in fig. 4, the case of ending the performance of the concentrated ventilation operation of the determined concentrated ventilation chamber may include at the set minimum time TminThen, the air quality of the centralized air exchange chamber reaches an upper limit critical value or reaches a set maximum time TmaxThe case (1).
As shown in fig. 4, during the intensive ventilation operation (S401), the intensive ventilation chamber may determine whether or not the air quality is equal to or greater than an upper limit threshold, based on a chamber having the lowest air quality (S402).
The upper limit threshold value is a value of the air quality that is good as the indoor air quality so that the concentrated ventilation is not required any more, and may mean a value reflecting all the parameters TVOC, CO2, PM2.5, etc. that judge the air quality. Therefore, the air quality reaching the upper limit critical value means that the indoor air quality value is good, so that the centralized ventilation operation is not required.
When there is one centralized air-exchanging chamber, the air quality is determined based on the centralized air-exchanging chamber, but when there are a plurality of centralized air-exchanging chambers, the determination can be made based on the lowest value among the air qualities of the centralized air-exchanging chambers detected by the sensor unit 12.
Therefore, when the air quality is equal to or higher than the upper limit threshold value ('yes' in S402), the execution of the concentrated ventilation operation may be released as it is (S403), and the concentrated ventilation operation may be ended.
On the contrary, when the air quality is less than the upper limit critical value (no in S402), it is judged whether the time for performing the intensive ventilation operation is the set maximum time TmaxIn the above (S404), if T ismaxIf the above (yes in S404), the execution of the concentrated ventilation operation can be released (S403), and the concentrated ventilation operation can be terminated. Not exceeding Tmax(NO in S404), the intensive ventilation operation is continued again and the air quality can be judged.
Specifically, for example, the TminSet to 10 minutes (T)min10min), mixing the T with the mixturemaxSet to 1 hour (T)max60min), the centralized ventilation operation of the determined centralized ventilation chamber is performed, and then at the minimum time TminWhen the operation is not stopped during the 10 minutes, the concentrated ventilation operation is performed.
After the minimum time of 10 minutes, the air quality of each room is detected by the sensor unit 12 installed in the room, and when the detected air quality is more than the set upper limit critical value, it is judged that the ventilation operation is not required, and the concentrated ventilation operation can be ended.
Further, after the minimum time of 10 minutes has elapsed, the air quality of each room is detected by the sensor unit 12 installed in the room at a set period, and when the detected air quality does not reach the set upper limit critical value, the concentrated ventilation operation is continuously performed, and after the concentrated ventilation operation for one hour, which is the maximum time, is performed, the concentrated ventilation operation may be ended.
According to an embodiment of the present invention, the parameters for determining the air quality may include all of TVOC, CO2 and PM2.5, the sensor unit 12 detects the parameters and transmits them to the control unit 110, and the control unit 110 may determine the air quality.
At this time, the sensor unit 12 may include at least one of a sensor, an air monitor, a sub-room controller, and a main room controller installed in each room.
The air monitor, which is a device that is linked with the ventilator 100 in a clean ventilation system and detects the degree of air pollution in a room, detects PM, CO2, TVOC, etc. of each room, and can provide indoor air quality information so that the ventilator determines the air volume or ventilation mode.
In one aspect, according to an embodiment of the present invention, before the step (S220) of performing the centralized ventilation operation on the determined centralized ventilation chamber, the step may include: a step of reducing the RPM of the fan 120; adjusting the opening and closing states of the diffusers 10 and 11 of the centralized ventilation chamber when the RPM of the fan 120 is reduced; and a step of changing the RPM of the fan 120 to a preset value for the concentrated ventilation operation after the adjustment of the open/close states of the diffusers 10 and 11 is completed.
As a specific example, it may include: a step of changing the RPM of the fan 120 to the lowest value of a set range; adjusting the opening/closing state of the diffusers (10, 11) of the centralized ventilation chamber when the RPM of the fan (120) is changed to the minimum value; and a step of changing the RPM of the fan 120 to a preset value for the concentrated ventilation operation after the adjustment of the open/close states of the diffusers 10 and 11 is completed.
Specifically, in the case where the diffusers 10,11 of the additional concentrated scavenging chambers are opened when the concentrated scavenging operation is performed for the concentrated scavenging chamber already performed, or the diffusers 10,11 of the concentrated scavenging chambers already performed are closed when the concentrated scavenging operation is performed for the additional concentrated scavenging chambers already performed, the diffusers 10,11 are closed in a state where the ventilator 100 is driven by the maximum air volume set in advance without considering noise caused by the scavenging operation for performing the concentrated scavenging operation, so that the diffusers 10,11 can be damaged by strong impedance.
In addition, even though air is discharged through the diffusers 10,11 without being damaged, fine and harsh noise may be generated due to sudden narrowing of the flow path, and unpleasant sound related to sound pressure may be generated, thereby providing a user with a feeling of discomfort.
In particular, the concentrated ventilation operation drives the ventilation device 100 from a preset maximum air volume without being restricted by noise, thereby further highlighting the occurrence of the problem, and when this is not controlled, it may cause interference with the use of the ventilation device 100.
Therefore, when the diffuser 10,11 is opened (Open) for the determined central ventilation chamber to perform the central ventilation operation, the RPM of the fan 120 performing the central ventilation operation is decreased, for example, to a preset minimum value, and the control unit 110 confirms the RPM change of the fan 120, the diffuser 10,11 of the central ventilation chamber is opened. The control unit 110 confirms the opening of the diffusers 10 and 11, and then changes the RPM of the fan 120 to the set RPM value again so as to perform the intensive ventilation operation.
Alternatively, when the diffusers 10 and 11 of the centralized ventilation chamber are closed to stop the centralized ventilation operation, the RPM of the fan 120 performing the centralized ventilation operation is decreased, for example, to a preset minimum value, and the control unit 110 confirms the RPM change of the fan 120, and then the diffusers 10 and 11 of the centralized ventilation chamber are closed. The control unit 110 confirms the turn-off of the diffusers 10 and 11, and then again changes the RPM of the fan 120 to the set RPM value so as to perform the intensive ventilating operation.
That is, when the diffuser opening is changed, concentrated ventilation can be quickly performed while preventing damage to the diffuser and preventing unpleasant sound to the user.
The ventilator 100 for performing centralized ventilation of each room according to an embodiment of the present invention includes: a fan 120, diffusers 10a,10b,10c,10d,11a,11b,11c,11d, and a control unit 110, the fan 120 including an air supply fan 120a that supplies air from the outside to the inside of the room to ventilate the rooms, and an air discharge fan 120b that discharges air from the inside of the room to the outside of the room; the diffusers 10a,10b,10c,10d,11a,11b,11c,11d are installed in the respective chambers so as to supply or discharge the air flowing by the fan 120 to the plurality of chambers 20a,20b,20c,20d, and adjust the open rate so as to be opened and closed; the control unit 110 adjusts the fan 120 and the diffusers 10a,10b,10c,10d,11a,11b,11c,11d and controls the performance of the concentrated ventilation of the respective chambers, and the control unit 110 may include: and a concentrated ventilation determining module 1101 for determining a concentrated ventilation room by considering the set air volume of the diffusers 10 and 11 and the maximum air volume of the ventilator 100 when the concentrated ventilation request signal is received from the concentrated ventilation request room.
In addition, the ventilation apparatus 100 for performing centralized ventilation of each room according to an embodiment of the present invention may further include: a feedback module 1102 for confirming the change of the RPM of the fan 120 or the change of the open/close state of the diffusers 10 and 11 of the centralized ventilation chamber; and determining the minimum time T setminThen, the air quality of the centralized air exchange chamber reaches an upper limit critical value, or the set maximum time T is reached before the air quality reaches the upper limit critical valuemaxThe centralized ventilation end module 1103. For the sake of simplicity of the description, the contents overlapping the above-described contents are omitted.
At this time, according to an embodiment of the present invention, the sensor unit 12 may include at least one of a sensor, an air monitor, a sub-room controller, and a main room controller installed in each room, so that the central ventilation ending module 1103 judges the air quality.
As an example, a main room controller and an air monitor are installed in the living room 20d and linked to each other to detect air quality, and sub-room controllers are installed in the other rooms 20a,20b, and 20c to detect air quality. That is, a configuration capable of detecting air quality may be installed, and it is not necessary that all be installed with the same configuration.
In addition, when a sub-room controller or a main room controller is installed in each room 20a,20b,20c,20d, the sub-room controller or the main room controller communicates with the control unit 110, so that the diffusers 10,11 of each room can be controlled.
The present invention has been described above mainly in terms of embodiments, but the present invention is not limited to the above-described embodiments, and it is needless to say that a person skilled in the art can modify and implement the present invention without changing the technical idea of the present invention claimed in the claims.

Claims (7)

1. A control method of a ventilation apparatus that performs centralized ventilation of each room, the ventilation apparatus comprising: a fan which flows air indoors or outdoors; a diffuser installed at each chamber to supply or discharge air flowing by the fan to the plurality of chambers; and a control unit controlling the fan and the diffuser, wherein the control method includes:
a step in which the control unit determines a centralized ventilation room in consideration of a set air volume of a diffuser and a maximum air volume of the ventilator, when receiving a centralized ventilation request signal from a centralized ventilation request room, for centralized ventilation in the centralized ventilation request room; and
a step of performing a central ventilation operation for the determined central ventilation chamber.
2. The control method of a ventilation apparatus that performs centralized ventilation of each room according to claim 1, wherein, in the step of determining the centralized ventilation room,
when the integrated ventilation chamber is provided, the sum of the air volume of a diffuser set for the integrated ventilation of the additional integrated ventilation chamber and the air volume of a diffuser set for the integrated ventilation of the performed integrated ventilation chamber does not exceed the maximum air volume of the ventilation device, and the performed integrated ventilation chamber is determined as a new integrated ventilation chamber together with the additional integrated ventilation chamber; or
And determining the additional concentrated air-exchanging chamber as a new concentrated air-exchanging chamber compared to the executed concentrated air-exchanging chamber when the sum of the air volume of the diffuser set for the concentrated air-exchanging of the additional concentrated air-exchanging chamber and the air volume of the diffuser set for the concentrated air-exchanging of the executed concentrated air-exchanging chamber exceeds the maximum air volume of the air-exchanging device.
3. The control method of a ventilating device that performs centralized ventilation of each room according to claim 1, wherein, after the step of performing a centralized ventilation operation for the determined centralized ventilation room,
at a set minimum time TminThen, the air quality of the centralized air exchange chamber reaches an upper limit critical value, or the set maximum time T is reached before the air quality reaches the upper limit critical valuemaxAnd ending the execution of the centralized ventilation operation of the centralized ventilation chamber.
4. The control method of a ventilating device that performs centralized ventilation of each room according to any one of claims 1 to 3, wherein before performing the centralized ventilation operation step for the determined centralized ventilation room, comprising:
a step of reducing the RPM of the fan;
adjusting the opening/closing state of a diffuser of the centralized ventilation chamber when the RPM of the fan is reduced; and
and changing the RPM of the fan to a preset value for the concentrated ventilation operation after the adjustment of the opening/closing state of the diffuser is completed.
5. A ventilation apparatus for performing concentrated ventilation of each room, comprising:
fans including an air supply fan that supplies air from the outside to the inside of the room to ventilate the room, and an air discharge fan that discharges air from the inside of the room to the outside of the room;
diffusers attached to the respective chambers so as to supply or discharge air flowing from the fan to the plurality of chambers, and capable of being opened and closed by adjusting an opening rate; and
a control unit adjusting the fan and the diffuser and controlling execution of concentrated ventilation of the respective chambers,
the control unit includes:
and a concentrated ventilation determination module which receives the concentrated ventilation request signal from the concentrated ventilation request room, and determines the concentrated ventilation room in consideration of the set air volume of the diffuser and the maximum air volume of the ventilator for concentrated ventilation in the concentrated ventilation request room.
6. The ventilation apparatus for performing concentrated ventilation of each room according to claim 5, comprising:
a feedback module that confirms a change in RPM of the fan or a change in an open/close state of a diffuser of the centralized ventilation chamber; and
a centralized ventilation ending module for judging the set minimum time TminThen, the air quality of the centralized air exchange chamber reaches an upper limit critical value, or the set maximum time T is reached before the air quality reaches the upper limit critical valuemax。
7. A ventilation device for performing focused ventilation of rooms as claimed in claim 6, comprising:
and the sensor unit comprises at least one of a sensor, an air monitor, a sub-room controller and a main room controller which are installed in each room, so that the centralized ventilation ending module can judge the air quality.
CN202111300117.8A 2020-12-17 2021-11-04 Ventilator for performing centralized ventilation of each chamber and method for controlling ventilator Active CN114646111B (en)

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