CN110274286B - Building public flue smoke exhaust system and control method thereof - Google Patents
Building public flue smoke exhaust system and control method thereof Download PDFInfo
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- CN110274286B CN110274286B CN201910434206.8A CN201910434206A CN110274286B CN 110274286 B CN110274286 B CN 110274286B CN 201910434206 A CN201910434206 A CN 201910434206A CN 110274286 B CN110274286 B CN 110274286B
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- flue
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
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- Architecture (AREA)
- Ventilation (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The utility model provides a public flue system of discharging fume of building, is including installing the range hood on different floors, and every range hood's air outlet all is linked together its characterized in that through respective tobacco pipe and public flue: the utility model discloses a gas exhaust device, including the pressure sensor who is used for detecting the flue pressure, and every floor correspondence has a pressure sensor, still including the control system that can read pressure sensor's pressure value and then control updraft ventilator work gear, the updraft ventilator that can outwards take out the gas in the flue is installed to the bottom at the public flue, installs the pressure sensor who is used for detecting the flue pressure in the public flue. This public flue of building system of discharging fume can discharge the low-rise oil smoke through the updraft ventilator of flue bottom, reduces the pressure of flue bottom to promote the ability of discharging fume and the efficiency of discharging fume of flue, improved user and used experience, and, this control system can come corresponding control updraft ventilator's work gear according to pressure sensor's pressure value, thereby realized the intelligent control of system of discharging fume, and made the system more energy-conserving.
Description
Technical Field
The invention relates to a building common flue, in particular to a building common flue smoke exhaust system and a control method thereof.
Background
At present, more and more high-rise residences are provided, smoke discharged from high floors is mostly discharged in a centralized mode through a common flue, the height of the residences is increased, and resistance in the whole smoke discharge flue is increased. The outlet of the high-rise public flue is generally arranged at the top of a floor, and the power provided by the range hood is limited, so that the smoke exhaust effect is not ideal, the oil smoke in the low floor cannot be exhausted in the peak cooking period, and even the oil smoke in the flue flows backwards. At present, in order to solve the problem of unsmooth smoke discharge of the existing range hood, people provide a concept of a central purification system, wherein a main fan arranged at the top end of a public flue generates power, and the smoke discharge effect is improved by matching with a fan of the range hood on the user side. However, grease particles are easily accumulated on the blades of the main fan on the roof, so that the dynamic balance of the fan is damaged, noise is increased, vibration is aggravated, regular cleaning and maintenance are required, and maintenance is troublesome. Moreover, the main blower is arranged on a common air exhaust channel, which can cause the air exhaust resistance of the system to increase. Especially when the floor number is greater than 35 layers, the negative pressure that the main fan of top building produced can't effectively be transferred down, the condition of leaking pressure appears, and is almost zero to the influence of discharging fume of low floor user, has caused the energy waste on the contrary. In summary, further improvements to the existing common flue gas exhausting system are needed.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a building public flue smoke exhaust system which can enhance the smoke exhaust capability of a flue through an air exhaust device at the bottom of the flue, aiming at the current technical situation.
The second technical problem to be solved by the present invention is to provide a control method for a building public flue smoke exhaust system, which can realize intelligent control and has a good energy saving effect, in view of the above current state of the art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: this public flue system of discharging fume of building, including installing the range hood on different floors, the air outlet of every range hood all is linked together its characterized in that through respective tobacco pipe and public flue: the utility model discloses a gas exhaust device, including public flue, first pressure detection area and second pressure detection area, the utility flue is installed to public flue's bottom can be with the gaseous updraft ventilator of toward outer taking out in the flue, public flue upwards has first pressure detection area and second pressure detection area from the bottom in proper order install first pressure sensor in the first pressure detection area second pressure detection area installs second pressure sensor, still including the average backpressure that can calculate first pressure detection area and second pressure detection area and then control updraft ventilator work gear's control system.
The first pressure detection area and the second pressure detection area can be distributed in various manners, preferably, the first pressure detection area is located in a common flue corresponding to first floor to fifth floor, and the second pressure detection area is located in a common flue corresponding to sixth floor to tenth floor.
Preferably, there are five first pressure sensors, and each first pressure sensor is installed in a common flue corresponding to each of the first to fifth floors, and there are five second pressure sensors, and each second pressure sensor is installed in a common flue corresponding to each of the sixth to tenth floors.
In order to avoid purifying and filtering the oil fume extracted from the common flue, the bottom of the common flue is provided with a lower air outlet communicated with an air inlet of an air extracting device, and a filtering device is arranged in an air channel between the lower air outlet and the air inlet.
In order to remind a user to replace the filtering device, a third pressure sensor is installed at the front end of the filtering device, a fourth pressure sensor is installed at the rear end of the filtering device, and the signal output ends of the third pressure sensor and the fourth pressure sensor are electrically connected with the signal input end of the control system.
The control system may be installed at a plurality of positions, and preferably, the control system is installed on an outer wall of a lower portion of the common flue.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the control method of the building common flue smoke exhaust system is characterized by comprising the following steps:
firstly, starting an indoor range hood, and uploading a starting signal to a control system;
secondly, after receiving a starting signal of the indoor range hood, the control system controls the first pressure sensor and the second pressure sensor to start working and detects pressure data in the flue;
thirdly, the first pressure sensor and the second pressure sensor upload the detected pressure data to the control system and respectively solve to obtain P1 and P2;
fourthly, the air draft device carries out corresponding work instructions according to the corresponding pressure data;
when P1<200Pa and P2<200Pa, the air extracting device does not work; when P1<200Pa and P2>200Pa or 200Pa < P1<300Pa, the low gear of the air draft device works; when 300Pa < P1<400Pa, the middle gear of the air draft device works; when P1 is more than 400Pa, the air draft device works in a high-level position.
Preferably, when the air draft device in the step (iv) is in a working state, the third pressure sensor and the fourth pressure sensor start working, a pressure difference Δ P between the front end and the rear end of the air draft device, which is detected by the third pressure sensor and the fourth pressure sensor, is transmitted to the control system, and replacement of the filter device is prompted when the pressure difference Δ P is greater than or equal to 100 Pa.
Compared with the prior art, the invention has the advantages that: this public flue of building system of discharging fume can discharge the low-rise oil smoke through the updraft ventilator of flue bottom, reduces the pressure of flue bottom to promote the ability of discharging fume and the efficiency of discharging fume of flue, the problem that the low-rise user discharged fume when having solved the culinary art peak is not smooth, the smell is scurried to the return smoke, user experience has been improved, and, this control system can come corresponding control updraft ventilator's work gear according to pressure sensor's pressure value, thereby realized the intelligent control of system of discharging fume, and made the system more energy-conserving.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a control logic diagram of a control method according to an embodiment of the present invention;
fig. 3 is a control logic diagram of a filtering apparatus according to an embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1, the building common flue smoke exhaust system of the present embodiment includes range hoods 1 installed on different floors, an air outlet of each range hood 1 is communicated with a common flue 3 through a respective smoke pipe 2, a fire damper 8 is installed at an outlet of the smoke pipe 2, and a main blower may be installed on a roof or not installed on the roof.
The common flue 3 has a first pressure detection area in which a first pressure sensor 51 is installed and a second pressure detection area in which a second pressure sensor 52 is installed in that order from the bottom upward. In this embodiment, the first pressure detection area is located in the common flue 3 corresponding to the first floor to the fifth floor, and the second pressure detection area is located in the common flue 3 corresponding to the sixth floor to the tenth floor. And, there are five first pressure sensors 51, and each first pressure sensor 51 is installed in the common flue 3 corresponding to each of the first to fifth floors, and there are five second pressure sensors 52, and each second pressure sensor 52 is installed in the common flue 3 corresponding to each of the sixth to tenth floors.
The bottom of the common flue 3 is provided with an air draft device 4, and the air draft device 4 can outwardly pump the oil smoke gas in the common flue 3 according to the requirement. The bottom of the common flue 3 is provided with a lower air outlet communicated with the air inlet of the air draft device 4, and a filtering device 7 is arranged in an air channel between the lower air outlet and the air inlet in order to avoid discharging unpurified oil smoke out of the bottom of the common flue. A third pressure sensor 53 is attached to the front end of the filter unit 7, and a fourth pressure sensor 54 is attached to the rear end of the filter unit 7.
In addition, the building common flue smoke exhaust system also comprises a control system 6, and the control system 6 is arranged on the outer wall of the lower part of the common flue 3. The control system 6 has a central processor for reading data and processing the data.
As shown in fig. 2, the control system 6 may calculate the average back pressure of the first pressure detection area and the average back pressure of the second pressure detection area by reading the pressure values of the first pressure sensor 51 and the second pressure sensor 52, respectively, and then control the operating range of the air extracting device 4. The control method comprises the following specific steps:
firstly, starting the indoor range hood 1, and uploading a starting signal to a control system 6;
secondly, after receiving a starting signal of the indoor range hood 1, the control system 6 controls the first pressure sensor 51 and the second pressure sensor 52 to start working and detects pressure data in the flue;
thirdly, the first pressure sensor 51 and the second pressure sensor 52 upload the detected pressure data to the control system 6, and respectively solve to obtain P1 and P2;
fourthly, the air draft device 4 carries out corresponding work instructions according to the corresponding pressure data;
when P1<200Pa and P2<200Pa, the updraft ventilator 4 is not operating; when P1<200Pa and P2>200Pa or 200Pa < P1<300Pa, the air extracting device 4 works at a low gear; when 300Pa < P1<400Pa, the middle gear of the air draft device 4 works; when P1>400Pa, the updraft ventilator 4 is operating in the high-range.
As shown in fig. 3, the signal output terminals of the third pressure sensor 53 and the fourth pressure sensor 54 are electrically connected to the signal input terminal of the control system 6, and the control system 6 can determine whether the filter screen of the filtering device 7 needs to be replaced according to the pressure difference between the third pressure sensor 53 and the fourth pressure sensor 54. Specifically, when the air draft device 4 in the step (iv) is in the operating state, the third pressure sensor 53 and the fourth pressure sensor 54 start to operate, the pressure difference Δ P between the front end and the rear end of the air draft device 4 detected by the third pressure sensor 53 and the fourth pressure sensor 54 is transmitted to the control system 6, and the filter screen of the filter device 7 is prompted to be replaced when the pressure difference Δ P is greater than or equal to 100 Pa.
Claims (8)
1. The utility model provides a building public flue system of discharging fume, is linked together its characterized in that including range hood (1) of installing on different floors, the air outlet of every range hood (1) all is linked together through respective tobacco pipe (2) and public flue (3): updraft ventilator (4) that can take out toward outside with the gas in the flue are installed to the bottom of utility flue (3), utility flue upwards has first pressure detection area and second pressure detection area from the bottom in proper order install first pressure sensor (51) in the first pressure detection area second pressure detection area that installs second pressure sensor (52), still including the average backpressure that can calculate first pressure detection area and second pressure detection area and then control updraft ventilator (4) operating range's control system (6).
2. The building common flue smoke evacuation system of claim 1, wherein: the first pressure detection area is positioned in a common flue (3) corresponding to the first floor to the fifth floor, and the second pressure detection area is positioned in a common flue (3) corresponding to the sixth floor to the tenth floor.
3. The building common flue smoke evacuation system of claim 2, wherein: the number of the first pressure sensors (51) is five, each first pressure sensor (51) is installed in the common flue (3) corresponding to each of the first to fifth floors, the number of the second pressure sensors (52) is five, and each second pressure sensor (52) is installed in the common flue (3) corresponding to each of the sixth to tenth floors.
4. A building common flue smoke evacuation system as claimed in claim 3, wherein: and a lower air outlet communicated with an air inlet of the air draft device (4) is arranged at the bottom of the public flue (3), and a filtering device (7) is arranged in an air channel between the lower air outlet and the air inlet.
5. The building common flue smoke evacuation system of claim 4, wherein: the front end of the filtering device (7) is provided with a third pressure sensor (53), the rear end of the filtering device (7) is provided with a fourth pressure sensor (54), and the signal output ends of the third pressure sensor (53) and the fourth pressure sensor (54) are electrically connected with the signal input end of the control system (6).
6. The building common flue smoke evacuation system of claim 1, wherein: the control system (6) is arranged on the outer wall of the lower part of the public flue (3).
7. A control method of a building common flue smoke exhaust system according to claim 5, characterized by comprising the following steps:
firstly, starting an indoor range hood (1), and uploading a starting signal to a control system (6);
secondly, after the control system (6) receives a starting signal of the indoor range hood (1), controlling a first pressure sensor (51) and a second pressure sensor (52) to start working and detecting pressure data in the flue;
thirdly, the first pressure sensor (51) and the second pressure sensor (52) upload the detected pressure data to the control system (6) and respectively solve to obtain P1 and P2;
fourthly, the air draft device (4) carries out corresponding work instructions according to the corresponding pressure data;
when P1<200Pa and P2<200Pa, the air draft device (4) does not work; when P1<200Pa and P2>200Pa or 200Pa < P1<300Pa, the air draft device (4) works at a low gear; when 300Pa < P1<400Pa, a middle gear of the air draft device (4) works; when P1 is larger than 400Pa, the air draft device (4) works in a high-gear position.
8. The control method of the building common flue smoke exhaust system according to claim 7, wherein when the air draft device (4) in the step (iv) is in an operating state, the third pressure sensor (53) and the fourth pressure sensor (54) start to operate, and the pressure difference Δ P between the front end and the rear end of the air draft device (4) detected by the third pressure sensor (53) and the fourth pressure sensor (54) is transmitted to the control system (6), and when the Δ P is larger than or equal to 100Pa, replacement of the filter device (7) is prompted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910434206.8A CN110274286B (en) | 2019-05-23 | 2019-05-23 | Building public flue smoke exhaust system and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910434206.8A CN110274286B (en) | 2019-05-23 | 2019-05-23 | Building public flue smoke exhaust system and control method thereof |
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| CN110274286A CN110274286A (en) | 2019-09-24 |
| CN110274286B true CN110274286B (en) | 2020-10-27 |
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| CN201910434206.8A Active CN110274286B (en) | 2019-05-23 | 2019-05-23 | Building public flue smoke exhaust system and control method thereof |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217957A (en) * | 2020-01-21 | 2021-08-06 | 宁波方太厨具有限公司 | Method for updating preset gear of indoor range hood in centralized smoke exhaust system of building |
| CN112066434B (en) * | 2020-09-04 | 2023-05-26 | 浙江欧意智能厨房股份有限公司 | Multi-connected range hood and control method thereof |
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| CN109464864A (en) * | 2018-12-28 | 2019-03-15 | 启明星宇节能科技股份有限公司 | Filter gauze cleaning replacement equipment for flue |
| CN109631120A (en) * | 2019-01-09 | 2019-04-16 | 杭州老板电器股份有限公司 | Concentrate frequency conversion smoke evacuation control method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7836877B2 (en) * | 2005-05-02 | 2010-11-23 | Western Industries, Inc. | Adjustable downdraft ventilator |
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2019
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| CN2779280Y (en) * | 2005-02-02 | 2006-05-10 | 林润泉 | Lower ventilated oil and fume extractor |
| CN202675415U (en) * | 2012-06-11 | 2013-01-16 | 陈达利 | Down discharging range hood |
| CN203757813U (en) * | 2014-04-03 | 2014-08-06 | 宏腾电子科技（东莞）有限公司 | Central oil fume purifier |
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| CN110274286A (en) | 2019-09-24 |
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