CN111207232B - Preset angle control method for flue check valve of high-rise building - Google Patents
Preset angle control method for flue check valve of high-rise building Download PDFInfo
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- CN111207232B CN111207232B CN201811390796.0A CN201811390796A CN111207232B CN 111207232 B CN111207232 B CN 111207232B CN 201811390796 A CN201811390796 A CN 201811390796A CN 111207232 B CN111207232 B CN 111207232B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
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Abstract
A control method for the check valve in the flue of high-rise building includes installing the fume extractors in different floors, connecting the air outlet of each fume extractor to the public flue via its own fume tube, installing flow detecting module and check valve plate in each fume tube, and installing the flue blower in the public flue. The invention has the advantages that: the preset angle control method of the flue check valve of the high-rise building detects the actual flow or outlet pressure condition of the current range hood by utilizing a flow detection module of an outlet section belt of the range hood, the valve block of the lowest starting floor is preset to be opened to the maximum in a debugging stage after valve body hardware is installed, the valve block of the upper floor is adjusted to a certain angle, a flue fan operates at a certain rotating speed (or frequency), flow detection comparison is carried out, flow deviation is judged, the opening angle of the current floor is recorded, and flow balance is realized.
Description
Technical Field
The invention relates to a central flue system, in particular to a preset angle control method of a flue check valve of a high-rise building.
Background
At present, floors of newly-built floors in cities are generally higher and higher, and the outlet of a high-rise common flue is generally arranged at the top of the floors, so that the outlet resistance of a system can be influenced by the switching condition of a range hood of each user, and the smoke exhaust condition of users at the bottom is severe. In recent years, a user side angle-adjustable valve is combined with a roof flue outlet main fan to filter and discharge in a centralized mode and is applied to certain finish-finished building plates, the roof main fan carries out frequency conversion and valve plate preset angles to achieve flow distribution aiming at users with different opening rates, the problem that users at the bottom discharge smoke badly can be solved to a certain extent, and meanwhile the flow rate and the noise of a whole flue system are effectively controlled. The conventional method for adjusting the actual flow by utilizing a common flue booster fan to discharge smoke and adjusting the angle by using a valve plate is only used for adjusting the flow at a preset fixed angle, so that the method is difficult to adapt to various flue environments, the calculation workload of CFD (computational fluid dynamics) of the angle for a certain specific flue is very large, the customized installation of each building is difficult to realize in the actual environment, and the flow deviation of a user is large; in addition, the method usually adjusts the angle according to the flow of the lowest floor as a reference, and if the lowest starting floor is not the lowest floor, the system resistance is easily larger, and the energy consumption of the host is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a preset angle control method of a flue check valve of a high-rise building, wherein the angle of a valve plate can be adaptively adjusted according to an installation position and a flue.
The technical scheme adopted by the invention for solving the technical problems is as follows: the preset angle control method of the flue check valve for the high-rise building comprises the following steps of installing the range hoods on different floors, communicating an air outlet of each range hood with a common flue through a smoke pipe, installing a flow detection module and a check valve plate in each smoke pipe, and installing a flue fan in the common flue, wherein the preset angle control method of the flue check valve comprises the following steps:
firstly, starting a system, opening check valve plates of all the range hoods to the same angle, and opening the flue fan;
secondly, acquiring the current flow of the corresponding range hood through the flow detection module;
thirdly, sorting the address codes of all the check valve plates according to the flow of each range hood obtained in the second step;
fourthly, the absolute difference value of the marking flow is between 0.01 and 0.9m3The check valve plate between/min and other check valve plates are closed;
fifthly, re-acquiring the current flow of the range hoods corresponding to all the check valve plates marked in the step IV and performing secondary sequencing;
sixthly, repeating the third, fourth and fifth steps to finish the sequencing;
seventhly, the default flow is in the sequence from low to high of the floor from small to large, and the floor and the address code binding is carried out on the check valve plates;
opening the check valve plates of the N layers and the N + i layers to the maximum opening angle, and closing the check valve plates of other floors, wherein i is a positive integer and is not less than 1 and not more than N-N;
ninthly, comparing the flow deviation of the n-layer and the n + i-layer,
if the deviation exceeds a preset value, the opening angle of the valve plates of the n +1 layers is reduced;
if the n +1 layer flow is less than the n layer flow, an error is reported;
if the deviation is less than the preset value, entering into the step (R);
recording the valve plate opening angle of the n + i layer when the lowest startup layer is n;
Preferably, the step of the host computer judging the current lowest running layer number and the target flow is as follows:
starting any indoor range hood, and awakening a host;
secondly, acquiring the floor number of the indoor range hood which is currently operated;
thirdly, sequencing and judging the lowest floor of the starting;
fourthly, inquiring the opening angle of a group of valve plates corresponding to the current lowest starting floor;
fifthly, calculating the starting rate g by the host;
sixthly, judging whether the opening rate g is within m, f;
if m is less than or equal to g and less than or equal to f, the target flow is unchanged;
if g < m, the target flow is increased;
if g > f, the target flow is adjusted to be low;
and seventhly, adjusting the frequency or gear of the flue fan.
As a topological structure, the flue fan forms a host, and the indoor range hood forms a slave.
The flow detection module can adopt a plurality of different detection modules, and preferably, the flow detection module is a pressure detection module or a flow velocity detection module.
The flow detection module can be installed in a plurality of ways, and preferably, the flow detection module is installed at the front end or the rear end of the check valve plate.
Preferably, the absolute difference value of the flow rate in the step (iv) is 0.3m3/min。
Compared with the prior art, the invention has the advantages that: the preset angle control method of the flue check valve of the high-rise building detects the actual flow or outlet pressure condition of the current range hood by utilizing a flow detection module of an outlet section belt of the range hood, the valve block of the lowest starting floor is preset to be opened to the maximum in a debugging stage after valve body hardware is installed, the valve block of the upper floor is adjusted to a certain angle, a flue fan operates at a certain rotating speed (or frequency), flow detection comparison is carried out, flow deviation is judged, the opening angle of the current floor is recorded, and flow balance is realized.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an indoor range hood according to an embodiment of the present invention;
FIG. 3 is a flowchart of a valve plate preset angle control method according to an embodiment of the present invention;
FIG. 4 is a flow chart of host target traffic adjustment according to an embodiment of the present invention;
fig. 5 is a schematic topology diagram of a master and a slave 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 to 4, the flue system of the high-rise building of the present embodiment includes the range hoods 1 installed on different floors, the air outlet of each range hood 1 is communicated with the common flue 3 through the respective smoke tube 2, and the air outlet of the smoke tube 2 is installed with the fire damper 9. Each smoke tube 2 is internally provided with a flow detection module 4 and a check valve plate 5, and the flow detection module 4 can be arranged at the front end or the rear end of the check valve plate 5. The flow detection module 4 is a pressure detection module or a flow velocity detection module, and the check valve plate 5 is driven by the valve plate control motor 7 to be opened or closed. A flue fan 6 and a filter 8 are arranged in the common flue 3, the flue fan 6 is a booster fan, and the filter 8 is close to an air inlet of the flue fan 6.
In the embodiment, the range hood 1 may or may not have the fan 11.
As shown in fig. 5, the flue fan 6 in the common flue 3 constitutes a master, and each range hood 1 in the room constitutes a slave.
The preset angle control method of the flue check valve of the high-rise building comprises the following steps:
firstly, starting a system, opening check valve plates of all the range hoods to the same angle, and opening the flue fan;
secondly, acquiring the current flow of the corresponding range hood through the flow detection module;
thirdly, sorting the address codes of all the check valve plates according to the flow of each range hood obtained in the second step;
fourthly, the absolute difference value of the marking flow is between 0.01 and 0.9m3The check valve plate between/min and other check valve plates are closed;
fifthly, re-acquiring the current flow of the range hoods corresponding to all the check valve plates marked in the step IV and performing secondary sequencing;
sixthly, repeating the third, fourth and fifth steps to finish the sequencing;
seventhly, the default flow is in the sequence from low to high of the floor from small to large, and the floor and the address code binding is carried out on the check valve plates;
opening the check valve plates of the N layers and the N + i layers to the maximum opening angle, and closing the check valve plates of other floors, wherein i is a positive integer and is not less than 1 and not more than N-N;
ninthly, comparing the flow deviation of the n-layer and the n + i-layer,
if the deviation exceeds a preset value, the opening angle of the valve plates of the n +1 layers is reduced;
if the n +1 layer flow is less than the n layer flow, an error is reported;
if the deviation is less than the preset value, entering into the step (R);
recording the valve plate opening angle of the n + i layer when the lowest startup layer is n;
Wherein, the absolute difference value of the flow in the step (iv) is set to 0.3m3/min。
In this embodiment, the step of the host determining the current lowest running layer number and the target flow is as follows:
starting any indoor range hood, and awakening a host;
secondly, acquiring the floor number of the indoor range hood which is currently operated;
thirdly, sequencing and judging the lowest floor of the starting;
fourthly, inquiring the opening angle of a group of valve plates corresponding to the current lowest starting floor;
fifthly, calculating the starting rate g by the host;
sixthly, judging whether the opening rate g is within m, f;
if m is less than or equal to g and less than or equal to f, the target flow is unchanged;
if g < m, the target flow is increased;
if g > f, the target flow is adjusted to be low;
and seventhly, adjusting the frequency or gear of the main machine.
Claims (6)
1. The preset angle control method of the flue check valve for the high-rise building comprises the following steps of installing range hoods (1) on different floors, enabling an air outlet of each range hood (1) to be communicated with a public flue (3) through a respective smoke pipe (2), installing a flow detection module (4) and a check valve plate (5) in each smoke pipe (2), and installing a flue fan (6) in the public flue (3), wherein the preset angle control method of the flue check valve comprises the following steps:
firstly, starting a system, opening check valve plates of all the range hoods to the same angle, and opening the flue fan;
secondly, acquiring the current flow of the corresponding range hood through the flow detection module;
thirdly, sorting the address codes of all the check valve plates according to the flow of each range hood obtained in the second step;
fourthly, the absolute difference value of the marking flow is between 0.01 and 0.9m3The check valve plate between/min and other check valve plates are closed;
fifthly, re-acquiring the current flow of the range hoods corresponding to all the check valve plates marked in the step IV and performing secondary sequencing;
sixthly, repeating the third, fourth and fifth steps to finish the sequencing;
seventhly, the default flow is in the sequence from low to high of the floor from small to large, and the floor and the address code binding is carried out on the check valve plates;
opening the check valve plates of the N layers and the N + i layers to the maximum opening angle, and closing the check valve plates of other floors, wherein i is a positive integer and is not less than 1 and not more than N-N;
ninthly, comparing the flow deviation of the n-layer and the n + i-layer,
if the deviation exceeds a preset value, the opening angle of the valve plates of the n +1 layers is reduced;
if the n +1 layer flow is less than the n layer flow, an error is reported;
if the deviation is less than the preset value, entering into the step (R);
recording the valve plate opening angle of the n + i layer when the lowest startup layer is n;
2. The preset angle control method of the high-rise building flue check valve according to claim 1, wherein: the steps of the host computer for judging the current lowest running layer number and the target flow are as follows:
starting any indoor range hood, and awakening a host;
secondly, acquiring the floor number of the indoor range hood which is currently operated;
thirdly, sequencing and judging the lowest floor of the starting;
fourthly, inquiring the opening angle of a group of valve plates corresponding to the current lowest starting floor;
fifthly, calculating the starting rate g by the host;
sixthly, judging whether the opening rate g is within m, f;
if m is less than or equal to g and less than or equal to f, the target flow is unchanged;
if g < m, the target flow is increased;
if g > f, the target flow is adjusted to be low;
and seventhly, adjusting the frequency or gear of the flue fan.
3. The preset angle control method of the high-rise building flue check valve according to claim 2, wherein: the indoor range hood (1) forms a slave machine.
4. The preset angle control method of the high-rise building flue check valve according to claim 1, wherein: the flow detection module (4) is a pressure detection module or a flow velocity detection module.
5. The preset angle control method of the high-rise building flue check valve according to claim 1, wherein: the flow detection module (4) is installed at the front end or the rear end of the check valve plate (5).
6. The preset angle control method of the high-rise building flue check valve according to claim 1, wherein: the absolute difference value of the flow in the step (iv) is 0.3m3/min。
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811390796.0A CN111207232B (en) | 2018-11-21 | 2018-11-21 | Preset angle control method for flue check valve of high-rise building |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811390796.0A CN111207232B (en) | 2018-11-21 | 2018-11-21 | Preset angle control method for flue check valve of high-rise building |
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| CN111207232A CN111207232A (en) | 2020-05-29 |
| CN111207232B true CN111207232B (en) | 2022-04-19 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112524663B (en) * | 2020-11-18 | 2023-09-01 | 华帝股份有限公司 | Air quantity adjusting control method and system for central flue system |
| CN112524664B (en) * | 2020-11-19 | 2023-02-17 | 华帝股份有限公司 | Air volume control method and system for central flue system |
| CN113757739B (en) * | 2021-06-25 | 2022-11-25 | 华帝股份有限公司 | Communication method of central flue system and central flue system adopting same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02194398A (en) * | 1989-01-24 | 1990-07-31 | Hitachi Ltd | Method and device for suppressing increase of moderator level in control rod guide pipe |
| CN206837270U (en) * | 2017-05-09 | 2018-01-05 | 宁波方太厨具有限公司 | A kind of automatic fire extinguisher of range hood smoke evacuation system |
| CN206959048U (en) * | 2017-05-27 | 2018-02-02 | 宁波方太厨具有限公司 | Common duct smoke evacuation system |
| CN107975842A (en) * | 2017-05-27 | 2018-05-01 | 宁波方太厨具有限公司 | Common duct smoke evacuation system and control method |
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2018
- 2018-11-21 CN CN201811390796.0A patent/CN111207232B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02194398A (en) * | 1989-01-24 | 1990-07-31 | Hitachi Ltd | Method and device for suppressing increase of moderator level in control rod guide pipe |
| CN206837270U (en) * | 2017-05-09 | 2018-01-05 | 宁波方太厨具有限公司 | A kind of automatic fire extinguisher of range hood smoke evacuation system |
| CN206959048U (en) * | 2017-05-27 | 2018-02-02 | 宁波方太厨具有限公司 | Common duct smoke evacuation system |
| CN107975842A (en) * | 2017-05-27 | 2018-05-01 | 宁波方太厨具有限公司 | Common duct smoke evacuation system and control method |
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