CN111022710B - Self-adaptive coding method for flue check valve - Google Patents

Self-adaptive coding method for flue check valve Download PDF

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Publication number
CN111022710B
CN111022710B CN201811181971.5A CN201811181971A CN111022710B CN 111022710 B CN111022710 B CN 111022710B CN 201811181971 A CN201811181971 A CN 201811181971A CN 111022710 B CN111022710 B CN 111022710B
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Prior art keywords
check valve
flue
flow
range hood
valve plates
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CN201811181971.5A
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CN111022710A (en
Inventor
何立博
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Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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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
    • 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
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • 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
    • 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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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ventilation (AREA)

Abstract

A self-adaptive coding method for a flue check valve comprises the following steps: opening all check valve plates to the same angle, and opening a flue fan; secondly, acquiring the current flow of the corresponding range hood through a flow detection module; thirdly, sequencing the check valve plates according to the flow of each range hood obtained in the second step; fourthly, the absolute difference value of the flow of the range hood meeting the adjacent floors is between 0.01 and 0.9m3Marking the check valve plates between/min, and closing other check valve plates; fifthly, acquiring the current flow of the range hood corresponding to the marked check valve plate again; sixthly, repeating the third, fourth and fifth steps to finish the sequencing; and seventhly, the default flow is in the sequence from low to high of the floor from small to large, and the check valve plates are bound by the address codes of the floor and the valve plates. The self-adaptive coding method of the flue check valve utilizes flow control to automatically configure the relationship between floors and valves, so that the valve body can be matched in a self-adaptive mode, and a distribution network is not required to be coded again on the floors.

Description

Self-adaptive coding method for flue check valve
Technical Field
The invention relates to a kitchen flue system, in particular to a self-adaptive coding method of a flue check valve.
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 intensively filter and discharge, and the valve is applied to certain finish-finished building plates, the roof main fan, namely a central range hood, performs frequency conversion and valve plate preset angle to realize flow distribution aiming at users with different opening rates, the problem of bad smoke discharge of users at the bottom can be solved to a certain extent, and the flow rate and the noise of the whole flue system are effectively controlled; however, the regulating valve in the mode needs to be manually bound with floors in advance, the installation workload is particularly large, floor information needs to be bound again after a user replaces the valve, and the operation is troublesome. In addition, for buildings such as engineering and fine decoration, because resistance of different floors can change (flue distance increases to cause along-the-way loss increase, and upstairs valve opening can also have an influence downstairs), the traditional method is only used for installation and debugging at a preset fixed angle (valve coding is given according to different floors and then table look-up or calculation), so that the method is troublesome, and the actual flow deviation of each household is large.
Disclosure of Invention
The invention aims to solve the technical problem of providing a self-adaptive coding method for a flue check valve of a distribution network, which can realize self-adaptive matching of a valve body and does not need floor recoding, aiming at the current situation of the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the self-adaptive coding method of the flue check valve comprises the range hoods which are arranged on different floors, the air outlet of each range hood is communicated with a common flue through respective smoke pipes, a flow detection module and a check valve plate are arranged in each smoke pipe, and a flue fan is arranged in the common flue, and is characterized by comprising 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 flow of the range hood meeting the adjacent floors is between 0.01 and 0.9m3Marking the check valve plates between/min, and closing other check valve plates;
fifthly, re-acquiring the current flow of the range hood corresponding to all the check valve plates marked in the step IV;
sixthly, repeating the third, fourth and fifth steps to finish the sequencing;
and seventhly, the default flow is in the sequence from low to high of the floor from small to large, and the check valve plates are bound by the address codes of the floor and the valve plates.
Preferably, the absolute difference value of the flow rates of the range hoods on the adjacent floors in the step (iv) is set to be 0.3m3/min。
Preferably, the flow of the range hood at the user side is adjusted within a set target range by adjusting the check valve plate and the flue fan.
Preferably, if a single check valve plate at the user side is replaced, the check valve plate is newly added to the missing address, and if a plurality of check valve plates are replaced simultaneously, the adaptive coding method is executed on all replaced check valve plates to automatically detect the distribution floor.
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.
In order to purify the oil fume, a filter is arranged in the common flue, and the filter is close to an air inlet of the flue fan.
In order to smoothly adjust the opening and closing angle of the check valve plate, a valve plate control motor for adjusting the opening angle of the check valve plate is installed on the smoke pipe.
The user side range hood can be divided into two structures with a fan and without the fan, and preferably, the range hood comprises the fan.
Compared with the prior art, the invention has the advantages that: the self-adaptive coding method of the flue check valve detects the actual flow of each household through the flow detection module, the valve plate is used for opening a certain angle in the debugging stage after the valve body hardware is installed, the public flue fan operates at a certain rotating speed (or frequency), flow detection comparison is carried out, floors are judged, the relationship between the floors and the valve is automatically configured through flow control, the valve body can be matched in a self-adaptive mode, a distribution network is coded again on the floors, in addition, the floors are bound in a self-adaptive mode, the actual discharge capacity of users can be counted conveniently, and property charging, charging information feedback, real-time flow monitoring and active fault reminding are carried out.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a sectional view of a side-suction range hood according to an embodiment of the present invention;
fig. 3 is a flowchart of an adaptive encoding method 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 fig. 3, the self-adaptive encoding method of the flue check valve of the present embodiment includes range hoods 1 installed on different floors, the air outlet of each range hood 1 is communicated with a common flue 8 through a respective smoke tube 2, and the air outlet of the smoke tube 2 is installed with a fire damper 9. Each smoke tube 2 is internally provided with a flow detection module 3 and a check valve plate 4, the flow detection module 3 is a pressure detection module or a flow velocity detection module, and the smoke tube 2 is provided with a valve plate control motor 7 for adjusting the opening angle of the check valve plate 4. A flue fan 5 and a filter 6 are arranged in the common flue 8, the flue fan 5 is a booster fan, and the filter 6 is close to an air inlet of the flue fan 5.
The self-adaptive coding method comprises the following steps:
firstly, starting a system, opening check valve plates 4 of all the range hoods 1 to the same angle, and opening a flue fan 5;
secondly, acquiring the current flow of the corresponding range hood 1 through the flow detection module 3;
thirdly, sequencing the address codes of all the check valve plates 4 according to the flow of each range hood 1 obtained in the second step;
fourthly, the absolute difference value of the flow of the range hood 1 meeting the adjacent floors is between 0.01 and 0.9m3Marking the check valve plates 4 between/min and closing other check valve plates;
fifthly, obtaining the current flow rate again for the range hood 1 corresponding to all the check valve plates 4 marked in the step IV;
sixthly, repeating the third, fourth and fifth steps to finish the sequencing;
and seventhly, the default flow is in the sequence from low to high of the floor from small to large, and the check valve plates 4 are bound by the address codes of the floor and the valve plates.
In addition, it is preferable that the absolute difference in flow rate between the range hoods on the adjacent floors in the step (iv) is set to 0.3m3/min。
By adopting the coding method, the flow of the range hood 1 at the user side can be adjusted within a set target range subsequently by adjusting the check valve plate 4 and the flue fan 5. The self-adaptive bound floors can facilitate the statistics of the actual displacement of a user, and property charging, charging information feedback, real-time flow monitoring and active fault reminding are performed. And if the service maintenance replaces the single check valve plate at the user side, newly adding the check valve plate to the missing address, and if a plurality of check valve plates are replaced simultaneously, executing the self-adaptive encoding method on all replaced check valve plates so as to automatically detect the distribution floor.
In this embodiment, the range hood 1 may or may not have the fan 11.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications or improvements can be made to the present invention without departing from the principle of the present invention, and these are considered to be within the protection scope of the present invention.

Claims (8)

1. A self-adaptive coding method of a flue check valve comprises range hoods (1) installed on different floors, wherein an air outlet of each range hood (1) is communicated with a common flue (8) through a respective smoke tube (2), a flow detection module (3) and a check valve plate (4) are installed in each smoke tube (2), and a flue fan (5) is installed in the common flue (8), and is characterized by comprising 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 flow of the range hood meeting the adjacent floors is between 0.01 and 0.9m3Marking the check valve plates between/min, and closing other check valve plates;
fifthly, re-acquiring the current flow of the range hood corresponding to all the check valve plates marked in the step IV;
sixthly, repeating the third, fourth and fifth steps to finish the sequencing;
and seventhly, the default flow is in the sequence from low to high of the floor from small to large, and the check valve plates are bound by the address codes of the floor and the valve plates.
2. The adaptive encoding method of a flue check valve as claimed in claim 1, wherein: setting the absolute difference value of the flow of the range hood (1) of the adjacent floors in the step (four) to be 0.3m3/min。
3. The adaptive encoding method of a flue check valve as claimed in claim 1, wherein: the flow of the range hood (1) at the user side is adjusted within a set target range by adjusting the check valve plate (4) and the flue fan (5).
4. The adaptive encoding method of a flue check valve as claimed in claim 1, wherein: if a single check valve plate (4) at the user side is replaced, the check valve plate is newly added to the missing address, and if a plurality of check valve plates are replaced simultaneously, the self-adaptive coding method is executed on all replaced check valve plates (4) so as to automatically detect the distribution floor.
5. The adaptive encoding method of a flue check valve as claimed in claim 1, wherein: the flow detection module (3) is a pressure detection module or a flow velocity detection module.
6. The adaptive encoding method of a flue check valve as claimed in claim 1, wherein: and a filter (6) is arranged in the common flue (8), and the filter (6) is close to an air inlet of the flue fan (5).
7. The adaptive encoding method of a flue check valve as claimed in claim 1, wherein: and a valve plate control motor (7) for adjusting the opening angle of the check valve plate (4) is arranged on the smoke pipe (2).
8. The adaptive coding method of a flue check valve according to any one of claims 1 to 7, characterized in that: the range hood (1) comprises a fan (11).
CN201811181971.5A 2018-10-09 2018-10-09 Self-adaptive coding method for flue check valve Active CN111022710B (en)

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1010383B (en) * 1985-06-14 1990-11-14 金属股份有限公司 Optimazing method for flue-gas tempering
DE29718723U1 (en) * 1997-10-09 1997-12-11 Bürcher, Friedrich, 82054 Sauerlach Air duct elements for kitchen ventilation
CN2421358Y (en) * 1998-10-20 2001-02-28 刘永良 building garbage waste gas pipeline
CN204460373U (en) * 2014-12-30 2015-07-08 杭州老板电器股份有限公司 Central purge system
CN106765392A (en) * 2016-12-22 2017-05-31 嘉兴家乐福新能源有限公司 A kind of lampblack absorber easy to use
CN107166075B (en) * 2017-07-21 2019-02-15 杭州老板电器股份有限公司 Check-valves control method, device and check-valves
CN107388311A (en) * 2017-07-20 2017-11-24 杭州老板电器股份有限公司 Fume extractor and smoke evacuation air quantity control method

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