CN115451449B - Control method and equipment for purifying air quantity of oil fume - Google Patents
Control method and equipment for purifying air quantity of oil fume Download PDFInfo
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- CN115451449B CN115451449B CN202211262044.2A CN202211262044A CN115451449B CN 115451449 B CN115451449 B CN 115451449B CN 202211262044 A CN202211262044 A CN 202211262044A CN 115451449 B CN115451449 B CN 115451449B
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- fume collecting
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- 239000003517 fume Substances 0.000 title claims abstract description 202
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000000779 smoke Substances 0.000 claims abstract description 36
- 238000004590 computer program Methods 0.000 claims description 9
- 238000000746 purification Methods 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 3
- 239000006233 lamp black Substances 0.000 description 10
- 230000001276 controlling effect Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 6
- 238000013024 troubleshooting Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000011835 investigation Methods 0.000 description 4
- 238000010411 cooking Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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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- 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
- F24C15/2071—Removing cooking fumes mounting of cooking hood
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- 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)
- Ventilation (AREA)
Abstract
The invention provides a control method and equipment for purifying air quantity of oil smoke, which are applied to an oil smoke purifying system, wherein the system comprises a smoke collecting hood group, a fan, a feedback equipment group, a smoke pipe and a power distribution valve group, the smoke collecting hood group comprises a plurality of smoke collecting hoods, the feedback equipment group comprises a plurality of feedback equipment, and the power distribution valve group comprises a plurality of power distribution valves; the feedback equipment and the power distribution valve are arranged between the fume collecting hood and each branch of the fume pipe; acquiring preset minimum required air quantity of each target object; when a plurality of fume collecting hoods are opened, calculating the total air quantity of a demand system and the opening and closing angles of power distribution valves corresponding to each opened fume collecting hood through a power distribution algorithm; controlling a fan and each power distribution valve according to the total air quantity of the demand system and the opening and closing angle of each power distribution valve; collecting initial air quantity corresponding to each opened fume collecting hood through feedback equipment; and comparing the minimum required air quantity of each target object, and determining the running state of the oil fume purifying system according to the comparison result.
Description
Technical Field
The invention relates to the technical field of intelligent kitchens, in particular to a control method and equipment for purifying air quantity of lampblack.
Background
At present, the catering industry generally needs to purify, collect and discharge oil smoke. For some large shops, as the number of shops and cooking ranges is more, the distribution is more dispersed, the pipelines for collecting the oil smoke are longer and the branches are more, and equipment for purifying the oil smoke often has certain resistance, so that a series of difficult smoke discharging problems such as insufficient air quantity of a main machine or uneven air quantity of each branch smoke collecting hood after distribution, too low air quantity of individual smoke collecting hoods and the like are easy to occur.
At present, most of power distribution valves used for distributing the oil fume purifying air quantity in catering industry set corresponding power distribution parameters according to historical test data; the power distribution of the residential building basically refers to the current floor number and the total floor number to carry out theoretical solving and setting on parameters, and the two methods cannot accurately correspond to the actual environment of the pipeline, so that concrete errors in the actual situation are difficult to avoid.
In addition, the current oil fume purification system is not provided with air quantity feedback, if the air quantity of each fume collecting hood is required to be obtained, the air quantity hood is required to be used manually for measuring each household, the process is time-consuming and labor-consuming, and failure analysis points are more and time-consuming when maintenance is also caused by the fact that the air quantity of each fume collecting hood cannot be obtained in time.
Disclosure of Invention
In view of the above, the invention aims to provide a control method and equipment for purifying air volume of oil smoke, which can effectively feed back and adjust the air volume of each fume collecting hood, improve the stability of fume discharged by each fume collecting hood, and effectively avoid the problems of difficult fume discharge and the like; the air quantity of each fume collecting hood is fed back in time, time and effort are consumed for manual household-by-household investigation are not needed, the troubleshooting range is shortened, and the maintenance cost is reduced.
In a first aspect, an embodiment of the present invention provides a control method for purifying air volume of oil smoke, which is applied to an oil smoke purifying system, where the oil smoke purifying system includes a fume collecting hood group, a fan, a feedback device group, a fume pipe and a power distribution valve group, the fume collecting hood group includes a plurality of fume collecting hoods, the feedback device group includes a plurality of feedback devices, and the power distribution valve group includes a plurality of power distribution valves; the feedback equipment and the power distribution valve are arranged between the fume collecting hood and each branch of the fume pipe; the method comprises the following steps:
Acquiring preset minimum required air quantity of each target object;
When a plurality of fume collecting hoods are opened, calculating the total air quantity of a demand system and the opening and closing angles of power distribution valves corresponding to each opened fume collecting hood through a power distribution algorithm;
Controlling the fan and each power distribution valve according to the total air quantity of the demand system and the opening and closing angle of each power distribution valve;
Collecting initial air quantity corresponding to each opened fume collecting hood through the feedback equipment;
And comparing the initial air quantity corresponding to each opened fume collecting hood with the minimum required air quantity of each target object, and determining the running state of the fume purifying system according to the comparison result.
Further, comparing the initial air volume corresponding to each opened fume collecting hood with the minimum required air volume of each target object, and determining the operation state of the fume purifying system according to the comparison result, wherein the method comprises the following steps:
And if the initial air volume corresponding to each opened fume collecting hood is greater than or equal to the minimum required air volume of each target object, the fume purifying system operates according to the current state.
Further, comparing the initial air volume corresponding to each opened fume collecting hood with the minimum required air volume of each target object, and determining the operation state of the fume purifying system according to the comparison result, wherein the method comprises the following steps:
If the initial air volume corresponding to each opened fume collecting hood is smaller than the minimum required air volume of each target object, increasing the total air volume of the first system to the total air volume of the second system;
And after controlling the fan to run according to the total air quantity of the second system, continuously collecting and comparing the current air quantity corresponding to each opened fume collecting hood through the feedback equipment until the current air quantity corresponding to each opened fume collecting hood is greater than or equal to the initial air quantity corresponding to each opened fume collecting hood.
Further, comparing the initial air volume corresponding to each opened fume collecting hood with the minimum required air volume of each target object, and determining the operation state of the fume purifying system according to the comparison result, wherein the method comprises the following steps:
Selecting a fume collecting hood smaller than the minimum required air volume of each target object from the initial air volume corresponding to each opened fume collecting hood;
Increasing the first opening and closing angle of the power distribution valve corresponding to the selected fume collecting hood to a second opening and closing angle;
And after the power distribution valve corresponding to the selected fume collecting hood is controlled according to the second opening and closing angle, continuously collecting and comparing the current air quantity corresponding to each opened fume collecting hood through the feedback equipment until the current air quantity corresponding to each opened fume collecting hood is greater than or equal to the initial air quantity corresponding to each opened fume collecting hood.
Further, the total air volume of the first system is obtained by the following steps:
after the fan is controlled to run according to a preset frequency, the air quantity of each fume collecting hood is respectively collected through the feedback equipment;
and calculating the total air quantity of the first system according to the air quantity of each fume collecting hood.
In a second aspect, an embodiment of the present invention provides a control device for purifying air volume of oil smoke, where the device includes an oil smoke purifying system, the oil smoke purifying system includes a fume collecting hood group, a fan, a feedback device group, a fume pipe, and a power distribution valve group, the fume collecting hood group includes a plurality of fume collecting hoods, the feedback device group includes a plurality of feedback devices, and the power distribution valve group includes a plurality of power distribution valves; the feedback equipment and the power distribution valve are arranged between the fume collecting hood and each branch of the fume pipe; the fan comprises an electric control cabinet, wherein the electric control cabinet comprises a main control board and a frequency converter;
The main control board is used for acquiring the preset minimum required air quantity of each target object; when a plurality of fume collecting hoods are opened, calculating the total air quantity of a demand system and the opening and closing angles of power distribution valves corresponding to each opened fume collecting hood through a power distribution algorithm; controlling the fan and each power distribution valve according to the total air quantity of the demand system and the opening and closing angle of each power distribution valve;
the feedback equipment is used for collecting the initial air quantity corresponding to each opened fume collecting hood and sending the initial air quantity to the main control board so that the main control board compares the initial air quantity corresponding to each opened fume collecting hood with the minimum required air quantity of each target object, and the running state of the fume purifying system is determined according to the comparison result.
Further, the oil fume purifying system further comprises a kitchen range group and an electrostatic purifier, wherein the kitchen range group comprises a plurality of kitchen ranges;
each fume collecting hood is arranged above each kitchen range respectively, and the electrostatic purifier and the fan are sequentially connected to the rear end and the tail end of the main smoke pipe.
Further, the feedback equipment comprises a shell and a wind speed sensor for acquiring the wind quantity of the fume collecting hood, a wind channel is arranged in the shell, the side wall of the shell is respectively provided with an inlet and an outlet which are communicated with the wind channel, and a probe of the wind speed sensor is arranged in the wind channel.
Further, the feedback device further comprises a flow equalizing plate and a flow equalizing door plate, wherein the flow equalizing plate is arranged in the air duct and is positioned between the inlet and the outlet;
The side wall of the shell is also provided with an opening for exposing the side edge of the flow equalizing plate, and the flow equalizing door plate is arranged at the opening and is used for closing the opening.
In a third aspect, an embodiment of the present invention provides an electronic device, including a memory, and a processor, where the memory stores a computer program executable on the processor, and where the processor implements a method as described above when executing the computer program.
In a fourth aspect, embodiments of the present invention provide a computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to perform the method as described above.
The embodiment of the invention provides a control method and equipment for purifying air quantity of lampblack, which are applied to a lampblack purifying system, wherein the lampblack purifying system comprises a lampblack collecting hood group, a fan, a feedback equipment group, a smoke pipe and a power distribution valve group; the feedback equipment and the power distribution valve are arranged between the fume collecting hood and each branch of the fume pipe; comprising the following steps: acquiring preset minimum required air quantity of each target object; when a plurality of fume collecting hoods are opened, calculating the total air quantity of a demand system and the opening and closing angles of power distribution valves corresponding to each opened fume collecting hood through a power distribution algorithm; controlling a fan and each power distribution valve according to the total air quantity of the demand system and the opening and closing angle of each power distribution valve; collecting initial air quantity corresponding to each opened fume collecting hood through feedback equipment; comparing the initial air quantity corresponding to each opened fume collecting hood with the minimum required air quantity of each target object, and determining the running state of the fume purifying system according to the comparison result; the air quantity of each fume collecting hood can be effectively fed back and regulated, the stability of fume discharged by each fume collecting hood is improved, and the problems of difficult fume discharge and the like are effectively avoided; the air quantity of each fume collecting hood is fed back in time, time and effort are consumed for manual household-by-household investigation are not needed, the troubleshooting range is shortened, and the maintenance cost is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a control method for purifying air volume of oil smoke according to a first embodiment of the present invention;
fig. 2 is a schematic diagram of a fume purification system according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a control device for purifying air volume of oil smoke according to a second embodiment of the present invention;
Fig. 4 is a schematic structural diagram of a feedback device according to a second embodiment of the present invention.
Icon:
1-cooking utensils; 2-fume collecting hood; 3-smoke tube; 4-a fan; 5-an electrostatic cleaner; a 6-feedback device; 7-a power distribution valve; 601-flow equalizing door plate; 602—wind speed sensor; 603-flow equalization plates.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to facilitate understanding of the present embodiment, the following describes embodiments of the present invention in detail.
Embodiment one:
fig. 1 is a flowchart of a control method for purifying air volume of oil smoke according to an embodiment of the present invention.
The device is applied to a lampblack purification system; the fume purifying system comprises a fume collecting hood group, a blower, a feedback equipment group, a fume pipe and a power distribution valve group, wherein the fume collecting hood group comprises a plurality of fume collecting hoods, the feedback equipment group comprises a plurality of feedback equipment, and the power distribution valve group comprises a plurality of power distribution valves; the feedback equipment and the power distribution valve are arranged between the fume collecting hood and each branch of the fume pipe; wherein, referring to fig. 2, the fan, the feedback equipment set and the power distribution valve set are respectively connected with the main control board; referring to fig. 1, the method includes the steps of:
step S101, acquiring preset minimum required air quantity of each target object;
step S102, after a plurality of fume collecting hoods are opened, calculating the total air quantity of a demand system and the opening and closing angles of power distribution valves corresponding to each opened fume collecting hood through a power distribution algorithm;
Step S103, controlling a fan and each power distribution valve according to the total air quantity of the demand system and the opening and closing angle of each power distribution valve;
step S104, collecting initial air quantity corresponding to each opened fume collecting hood through feedback equipment;
step S105, comparing the initial air quantity corresponding to each opened fume collecting hood with the minimum required air quantity of each target object, and determining the operation state of the fume purifying system according to the comparison result.
In the embodiment, the initial air quantity of each fume collecting hood fed back by the feedback equipment is used for controlling the angle adjustment of the power distribution valve and the total air quantity of a fan operation demand system, so that the air quantity of each fume collecting hood can be effectively fed back and adjusted, the stability of fume exhaust of each fume collecting hood is improved, and the problems of difficult fume exhaust and the like are effectively avoided; the air quantity of each fume collecting hood is fed back in time, time and effort are consumed for manual household-by-household investigation are not needed, the troubleshooting range is shortened, and the maintenance cost is reduced.
Further, step S105 includes the steps of:
step S201, if the initial air volume corresponding to each opened fume collecting hood is greater than or equal to the minimum required air volume of each target object, the fume purifying system operates according to the current state.
Further, step S105 includes the steps of:
Step S301, if the initial air volume corresponding to each opened fume collecting hood is smaller than the minimum required air volume of each target object, the total air volume of the first system is increased to the total air volume of the second system;
Step S302, after the control fan operates according to the total air volume of the second system, continuously collecting and comparing the current air volume corresponding to each opened fume collecting hood through feedback equipment until the current air volume corresponding to each opened fume collecting hood is greater than or equal to the initial air volume corresponding to each opened fume collecting hood.
Here, the total air volume of the first system is increased to the total air volume of the second system, and the difference between the total air volume of the second system and the total air volume of the first system may be 200m3/h, but is not limited to 200m 3/h.
Further, step S105 includes the steps of:
Step S401, selecting a fume collecting hood smaller than the minimum required air volume of each target object from initial air volumes corresponding to each opened fume collecting hood;
step S402, increasing a first opening and closing angle of a power distribution valve corresponding to the selected fume collecting hood to a second opening and closing angle;
Step S403, after the power distribution valve corresponding to the selected fume collecting hood is controlled according to the second opening and closing angle, the current air quantity corresponding to each opened fume collecting hood is continuously collected through the feedback equipment and compared until the current air quantity corresponding to each opened fume collecting hood is larger than or equal to the initial air quantity corresponding to each opened fume collecting hood.
Here, the first opening and closing angle is increased to the second opening and closing angle, and the difference between the second opening and closing angle and the first opening and closing angle may be 3 degrees, but is not limited to 3 degrees.
Further, the total air volume of the first system is obtained by the following method:
Step S501, after a control fan operates according to a preset frequency, respectively collecting the air quantity of each fume collecting hood through feedback equipment;
Step S502, calculating the total air quantity of the first system according to the air quantity of each fume collecting hood.
Here, the total air volume of the first system is obtained by adding the air volume of each fume collecting hood.
The application can reasonably adjust the air quantity of each terminal and ensure the stable and smooth smoke discharge of all terminals; timely feedback, reduce the troubleshooting range of fault reasons after smoke evacuation meets the resistance, and reduce maintenance cost. In addition, the feedback equipment and the power distribution valve are integrated in the system, so that distributed construction is not needed, and the requirement on installation space is reduced.
Embodiment two:
Fig. 3 is a schematic structural diagram of a control device for purifying air volume of oil smoke according to a second embodiment of the present invention.
Referring to fig. 3, the apparatus comprises a fume purification system comprising a fume collection hood comprising a plurality of fume collection hoods 2, a blower, a feedback apparatus set comprising a plurality of feedback apparatuses 6, a fume pipe, and a power distribution valve block comprising a plurality of power distribution valves 7; the feedback device 6 and the power distribution valve 7 are arranged between the fume collecting hood 2 and each branch of the fume pipe 3, and the feedback device 6 is connected with the power distribution valve 7; the fan 4 comprises an electric control cabinet, and the electric control cabinet comprises a main control board and a frequency converter; the frequency converter can control the operation frequency of the fan 4, wherein the electric control cabinet also comprises other related electric accessories;
The main control board is used for acquiring preset minimum required air quantity of each target object; when a plurality of fume collecting hoods are opened, calculating the total air quantity of a demand system and the opening and closing angles of power distribution valves corresponding to each opened fume collecting hood through a power distribution algorithm; controlling a fan and each power distribution valve according to the total air quantity of the demand system and the opening and closing angle of each power distribution valve; wherein the target object may be a shop.
And the feedback equipment 6 is used for collecting the initial air quantity corresponding to each opened fume collecting hood 2 and sending the initial air quantity to the main control board so that the main control board compares the initial air quantity corresponding to each opened fume collecting hood with the minimum required air quantity of each target object, and the running state of the fume purifying system is determined according to the comparison result.
Specifically, C 1 is set as the fume collecting hood closest to the exhaust fan, and C n is set as the fume collecting hood furthest from the exhaust fan; when a plurality of fume collecting hoods, such as C 1,C2,C3, are started, the main control board calculates the total air quantity of a required system and the opening and closing angles of power distribution valves connected with each fume collecting hood according to the fume collecting hoods and the working conditions of the system and according to a power distribution algorithm, and outputs commands to control the fan 4 and each power distribution valve, so that the fume collecting hoods obtain an initial air quantity Q 10,Q20,Q30 (the value is measured by the feedback equipment 6) and is transmitted to the main control board through the feedback equipment 6;
The main control board compares the Q 10,Q20,Q30 value with the minimum required air quantity of each target object preset in the program; and determining the operation state of the oil fume purifying system according to the comparison result.
Further, the oil fume purifying system also comprises a kitchen range group and an electrostatic purifier 5, wherein the kitchen range group comprises a plurality of kitchen ranges 1;
each fume collecting hood 2 is respectively arranged above each kitchen range 1, and the electrostatic purifier 5 and the blower 4 are sequentially connected to the rear end and the tail end of the main path of the fume pipe 3.
Further, referring to fig. 4, the feedback device includes a housing and a wind speed sensor 602 for collecting the air volume of the fume collecting hood, an air duct is arranged in the housing, an inlet and an outlet which are communicated with the air duct are respectively arranged on the side wall of the housing, and a probe of the wind speed sensor 602 is arranged in the air duct.
The feedback device further comprises a flow equalizing plate 603 and a flow equalizing door plate 601, wherein the flow equalizing plate 603 is arranged in the air duct and positioned between the inlet and the outlet;
the side wall of the shell is also provided with an opening for exposing the side edge of the flow equalizing plate 603, and the flow equalizing door plate 601 is arranged at the opening and used for sealing the opening.
Here, the wind speed sensor 602 may receive the wind speed in real time and convert the wind speed into wind volume data to be sent to the main control board. Whether the flow equalizing plate 603 is installed or not can be independently selected according to different distances between the feedback equipment and the branch elbow of the smoke pipe (the distance is not smaller than 4 times of the equivalent diameter of the pipeline or not). When the flow equalizing door plate 601 is opened, the flow equalizing plate 603 is pulled out. By installing the current sharing plate 603, wind speed collection can be more stable.
The embodiment of the invention provides a control method and equipment for purifying air quantity of lampblack, which are applied to a lampblack purifying system, wherein the lampblack purifying system comprises a lampblack collecting hood group, a fan, a feedback equipment group, a smoke pipe and a power distribution valve group; the feedback equipment and the power distribution valve are arranged between the fume collecting hood and each branch of the fume pipe; comprising the following steps: acquiring preset minimum required air quantity of each target object; when a plurality of fume collecting hoods are opened, calculating the total air quantity of a demand system and the opening and closing angles of power distribution valves corresponding to each opened fume collecting hood through a power distribution algorithm; controlling a fan and each power distribution valve according to the total air quantity of the demand system and the opening and closing angle of each power distribution valve; collecting initial air quantity corresponding to each opened fume collecting hood through feedback equipment; comparing the initial air quantity corresponding to each opened fume collecting hood with the minimum required air quantity of each target object, and determining the running state of the fume purifying system according to the comparison result; the air quantity of each fume collecting hood can be effectively fed back and regulated, the stability of fume discharged by each fume collecting hood is improved, and the problems of difficult fume discharge and the like are effectively avoided; the air quantity of each fume collecting hood is fed back in time, time and effort are consumed for manual household-by-household investigation are not needed, the troubleshooting range is shortened, and the maintenance cost is reduced.
The embodiment of the invention also provides electronic equipment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the steps of the control method for the oil smoke purifying air quantity provided by the embodiment when executing the computer program.
The embodiment of the invention also provides a computer readable medium with non-volatile program codes executable by a processor, wherein the computer readable medium is stored with a computer program, and the computer program executes the steps of the control method for the oil fume purifying air quantity in the embodiment when being run by the processor.
The computer program product provided by the embodiment of the present invention includes a computer readable storage medium storing a program code, where instructions included in the program code may be used to perform the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment and will not be described herein.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described system and apparatus may refer to corresponding procedures in the foregoing method embodiments, which are not described herein again.
In addition, in the description of embodiments of the present invention, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a usb disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The control method of the oil fume purifying air quantity is characterized by being applied to an oil fume purifying system, wherein the oil fume purifying system comprises a fume collecting hood group, a fan, a feedback equipment group, a fume pipe and a power distribution valve group, the fume collecting hood group comprises a plurality of fume collecting hoods, the feedback equipment group comprises a plurality of feedback equipment, and the power distribution valve group comprises a plurality of power distribution valves; the feedback equipment and the power distribution valve are arranged between the fume collecting hood and each branch of the fume pipe; the method comprises the following steps:
Acquiring preset minimum required air quantity of each target object;
When a plurality of fume collecting hoods are opened, calculating the total air quantity of a demand system and the opening and closing angles of power distribution valves corresponding to each opened fume collecting hood through a power distribution algorithm;
Controlling the fan and each power distribution valve according to the total air quantity of the demand system and the opening and closing angle of each power distribution valve;
Collecting initial air quantity corresponding to each opened fume collecting hood through the feedback equipment;
Comparing the initial air quantity corresponding to each opened fume collecting hood with the minimum required air quantity of each target object, and determining the running state of the fume purifying system according to the comparison result;
Comparing the initial air volume corresponding to each opened fume collecting hood with the minimum required air volume of each target object, and determining the running state of the fume purifying system according to the comparison result, wherein the method comprises the following steps:
If the initial air volume corresponding to each opened fume collecting hood is smaller than the minimum required air volume of each target object, increasing the total air volume of the first system to the total air volume of the second system;
And after controlling the fan to run according to the total air quantity of the second system, continuously collecting and comparing the current air quantity corresponding to each opened fume collecting hood through the feedback equipment until the current air quantity corresponding to each opened fume collecting hood is greater than or equal to the initial air quantity corresponding to each opened fume collecting hood.
2. The method according to claim 1, wherein comparing the initial air volume corresponding to each opened fume collecting hood with the minimum required air volume of each target object, and determining the operation state of the fume purifying system according to the comparison result, comprises:
And if the initial air volume corresponding to each opened fume collecting hood is greater than or equal to the minimum required air volume of each target object, the fume purifying system operates according to the current state.
3. The method according to claim 1, wherein comparing the initial air volume corresponding to each opened fume collecting hood with the minimum required air volume of each target object, and determining the operation state of the fume purifying system according to the comparison result, comprises:
Selecting a fume collecting hood smaller than the minimum required air volume of each target object from the initial air volume corresponding to each opened fume collecting hood;
Increasing the first opening and closing angle of the power distribution valve corresponding to the selected fume collecting hood to a second opening and closing angle;
And after the power distribution valve corresponding to the selected fume collecting hood is controlled according to the second opening and closing angle, continuously collecting and comparing the current air quantity corresponding to each opened fume collecting hood through the feedback equipment until the current air quantity corresponding to each opened fume collecting hood is greater than or equal to the initial air quantity corresponding to each opened fume collecting hood.
4. The control method of the oil fume purification air quantity according to claim 1, wherein the first system total air quantity is obtained by:
after the fan is controlled to run according to a preset frequency, the air quantity of each fume collecting hood is respectively collected through the feedback equipment;
and calculating the total air quantity of the first system according to the air quantity of each fume collecting hood.
5. The control equipment for the oil fume purifying air quantity is characterized by comprising an oil fume purifying system, wherein the oil fume purifying system comprises a fume collecting hood group, a fan, a feedback equipment group, a fume pipe and a power distribution valve group, the fume collecting hood group comprises a plurality of fume collecting hoods, the feedback equipment group comprises a plurality of feedback equipment, and the power distribution valve group comprises a plurality of power distribution valves; the feedback equipment and the power distribution valve are arranged between the fume collecting hood and each branch of the fume pipe; the fan comprises an electric control cabinet, wherein the electric control cabinet comprises a main control board and a frequency converter;
The main control board is used for acquiring the preset minimum required air quantity of each target object; when a plurality of fume collecting hoods are opened, calculating the total air quantity of a demand system and the opening and closing angles of power distribution valves corresponding to each opened fume collecting hood through a power distribution algorithm; controlling the fan and each power distribution valve according to the total air quantity of the demand system and the opening and closing angle of each power distribution valve;
The feedback equipment is used for collecting the initial air quantity corresponding to each opened fume collecting hood and sending the initial air quantity to the main control board so that the main control board compares the initial air quantity corresponding to each opened fume collecting hood with the minimum required air quantity of each target object, and the running state of the fume purifying system is determined according to the comparison result;
the main control board is specifically used for:
If the initial air volume corresponding to each opened fume collecting hood is smaller than the minimum required air volume of each target object, increasing the total air volume of the first system to the total air volume of the second system;
And after controlling the fan to run according to the total air quantity of the second system, continuously collecting and comparing the current air quantity corresponding to each opened fume collecting hood through the feedback equipment until the current air quantity corresponding to each opened fume collecting hood is greater than or equal to the initial air quantity corresponding to each opened fume collecting hood.
6. The control apparatus for purifying air volume of oil smoke according to claim 5, wherein the oil smoke purifying system further comprises a kitchen range group and an electrostatic purifier, the kitchen range group comprising a plurality of kitchen ranges;
each fume collecting hood is arranged above each kitchen range respectively, and the electrostatic purifier and the fan are sequentially connected to the rear end and the tail end of the main smoke pipe.
7. The device for controlling the air quantity of oil smoke purification according to claim 5, wherein the feedback device comprises a shell and an air speed sensor for collecting the air quantity of the fume collecting hood, an air duct is arranged in the shell, an inlet and an outlet which are communicated with the air duct are respectively arranged on the side wall of the shell, and a probe of the air speed sensor is arranged in the air duct.
8. The control device for purifying air volume by oil smoke according to claim 7, wherein the feedback device further comprises a flow equalizing plate and a flow equalizing door plate, wherein the flow equalizing plate is arranged in the air duct and is positioned between the inlet and the outlet;
The side wall of the shell is also provided with an opening for exposing the side edge of the flow equalizing plate, and the flow equalizing door plate is arranged at the opening and is used for closing the opening.
9. An electronic device comprising a memory, a processor, the memory having stored thereon a computer program executable on the processor, characterized in that the processor implements the method of any of the preceding claims 1 to 4 when the computer program is executed.
10. A computer readable medium having non-volatile program code executable by a processor, the program code causing the processor to perform the method of any one of claims 1 to 4.
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| CN115143499A (en) * | 2022-06-29 | 2022-10-04 | 杭州老板电器股份有限公司 | Smoke exhaust system and control method |
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| DE4142474A1 (en) * | 1991-12-20 | 1993-06-24 | Bosch Siemens Hausgeraete | Cooker hood with parallel ducts over grouped hotplates - directs fumes from each gp. to separate opening into extn. unit contg. one or two blowers |
| US9958168B2 (en) * | 2014-01-28 | 2018-05-01 | Illinois Tool Works Inc. | Cooking exhaust hood ventilation system and related methods |
| CN110173726B (en) * | 2019-05-30 | 2020-09-29 | 杭州老板电器股份有限公司 | Air volume control device and method of central purification system and central purification system |
| CN112555934B (en) * | 2019-09-26 | 2021-11-02 | 宁波方太厨具有限公司 | Centralized smoke exhaust system for building |
| CN115090095A (en) * | 2022-06-17 | 2022-09-23 | 杭州老板电器股份有限公司 | Catering oil fume peculiar smell removing composite purifying equipment and control method |
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| CN113074395A (en) * | 2021-03-25 | 2021-07-06 | 宁波方太厨具有限公司 | Constant air volume control method and system for public flue in building |
| CN115143499A (en) * | 2022-06-29 | 2022-10-04 | 杭州老板电器股份有限公司 | Smoke exhaust system and control method |
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