CN113188166A - Electromagnetic valve, smoke exhaust system and smoke exhaust control method - Google Patents
Electromagnetic valve, smoke exhaust system and smoke exhaust control method Download PDFInfo
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- CN113188166A CN113188166A CN202110312967.3A CN202110312967A CN113188166A CN 113188166 A CN113188166 A CN 113188166A CN 202110312967 A CN202110312967 A CN 202110312967A CN 113188166 A CN113188166 A CN 113188166A
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- 239000000779 smoke Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000009423 ventilation Methods 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000004891 communication Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 7
- 230000007306 turnover Effects 0.000 abstract 1
- 238000009826 distribution Methods 0.000 description 5
- 238000010411 cooking Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003517 fume Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
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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
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses an electromagnetic valve, a smoke exhaust system and a smoke exhaust control method, wherein the electromagnetic valve comprises a valve body with a vent, a driving motor, a transmission shaft, a fixed valve plate and at least one movable valve plate, wherein the driving motor is installed on the valve body, and the output end of the driving motor is connected with the transmission shaft to drive the transmission shaft to turn over, the end of the transmission shaft far away from the driving motor is connected with the fixed valve plate, the movable valve plate is movably arranged at the vent, and an electromagnetic mechanism is provided on the movable valve plate to connect or disconnect the transmission shaft with or from the movable valve plate, the ventilation opening is opened and closed through the combined action of the movable valve plate and the fixed valve plate, and the controller is electrically connected with the driving motor and the electromagnetic mechanism respectively. The structure is simple, and the ventilation area of the electromagnetic valve can be effectively adjusted.
Description
Technical Field
The invention relates to the technical field of smoke exhaust, in particular to an electromagnetic valve, a smoke exhaust system and a smoke exhaust control method.
Background
In the correlation technique, most of the electric valve structures in the centralized exhaust type range hood system are butterfly valves, the air volume of the range hood is controlled by controlling the angle of the valve plate, but the resistance of the electric valve structure is relatively large, and especially when the angle of the valve plate is lower than 60 degrees, the resistance is multiplied, so that the air volume distribution of the whole smoke exhaust system is influenced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the related art to some extent, and therefore, the present invention provides a solenoid valve which has a simple structure and can effectively adjust a ventilation area of the solenoid valve.
In addition, the invention also provides a smoke exhaust system which is reasonable in design and can effectively improve the uniformity of air volume distribution of the smoke exhaust system.
In addition, the invention also provides a flue smoke exhaust control method which is simple and feasible, and the uniform distribution of the system air volume is realized by dynamically adjusting the ventilation area of the electromagnetic valve, so that the resistance of the electromagnetic valve in a smoke exhaust system is effectively reduced.
The first object is achieved by the following technical scheme:
the utility model provides an electromagnetic valve, includes the valve body that has the vent, still includes driving motor, transmission shaft, fixed valve block and at least one movable valve block, wherein driving motor installs on the valve body, and driving motor's output with the transmission shaft is connected in order to drive the transmission shaft upset, the transmission shaft is keeping away from in driving motor's one end with fixed valve block connects, movable valve block activity sets up vent department, and be provided with electromagnetic mechanism on the movable valve block so that the transmission shaft with movable valve block establishes connection or disconnection, through movable valve block with the combined action of fixed valve block is with the switching the vent, the controller respectively with driving motor electromagnetic mechanism electric connection.
In some embodiments, the movable valve plate includes a first movable valve plate, a second movable valve plate and a third movable valve plate, wherein the first movable valve plate is disposed at the vent and located at an external position of the fixed valve plate, the second movable valve plate is disposed at an external position of the first movable valve plate at an interval, the third movable valve plate is disposed at an external position of the second movable valve plate at an interval, the first movable valve plate, the second movable valve plate and the third movable valve plate are respectively provided with the electromagnetic mechanism, and the transmission shaft is connected or disconnected with the first movable valve plate, the second movable valve plate and the third movable valve plate respectively through the action of the electromagnetic mechanism, so as to adjust the ventilation area of the vent.
In some embodiments, the valve further comprises a sealing element, and the sealing element is respectively arranged at a position between the fixed valve plate and the first movable valve plate, a position between the first movable valve plate and the second movable valve plate, and a position between the second movable valve plate and the third movable valve plate.
In some embodiments, the electromagnetic mechanism includes an electromagnet and a magnetic block, wherein the electromagnet is disposed on the transmission shaft and electrically connected to the controller, and the magnetic block is disposed on the movable valve plate and disposed corresponding to the electromagnet.
In some embodiments, the valve further comprises a stopper disposed on the valve body to limit the tilting motion of the transmission shaft.
The second objective is achieved by the following technical scheme:
a smoke exhaust system comprises a common flue, at least one range hood and an electromagnetic valve of any one of the above embodiments, wherein an air outlet of the range hood is communicated with the common flue, and the electromagnetic valve is arranged at a communication position between the range hood and the common flue.
In some embodiments, the range hood further comprises a smoke exhaust host and a communication component, the smoke exhaust host is arranged at an outlet of the common flue, and the smoke exhaust host and the range hood are respectively in communication connection with the electromagnetic valve through the communication component.
The third objective is achieved by the following technical solutions:
a method for controlling smoke of a flue, characterized by further comprising the smoke exhaust system according to any one of the above embodiments, the method comprising the steps of:
the electromagnetic valves on multiple floors are divided into multiple floor areas according to the floor heights in advance;
the user starts the range hood;
opening the solenoid valve to place the vent area of the vent in a fully open state;
acquiring information of the electromagnetic valve in an opening state currently in the public flue;
and judging whether the electromagnetic valves in the opening state are distributed on each floor area or not, and controlling the electromagnetic valves of different floors to adjust the ventilation area of the ventilation opening according to the judgment result.
In some embodiments, the step of previously dividing the solenoid valves on multiple floors into multiple floor areas according to floor heights includes:
and dividing the electromagnetic valves on the multiple floors into four floor areas of a low floor, a middle-high floor and a high floor according to the height of the floors.
In some embodiments, the step of determining whether the solenoid valves currently in the open state are distributed on each floor area, and controlling the solenoid valves of different floors to adjust the ventilation area of the ventilation opening according to the determination result includes:
judging whether the electromagnetic valves in the opening state are distributed on each floor area or not;
if so, opening the fixed valve plate of the high-floor electromagnetic valve, the fixed valve plate and the first movable valve plate of the middle-high-floor electromagnetic valve, and the fixed valve plate, the first movable valve plate and the second movable valve plate of the middle-floor electromagnetic valve, and simultaneously keeping the low-floor electromagnetic valve to be opened so as to enable the ventilation area of the ventilation opening to be in a fully opened state;
if not, dividing the electromagnetic valve in the opening state into four working areas of a low layer, a middle-high layer and a high layer according to the height of the floor.
In some embodiments, if not, the step of dividing the electromagnetic valve currently in the open state into a plurality of working areas according to the floor height includes:
dividing the electromagnetic valve which is in the opening state into a plurality of working areas according to the floor height;
open high-rise solenoid valve the fixed valve piece, well high-rise solenoid valve the fixed valve piece with first movable valve piece and middle level solenoid valve the fixed valve piece first movable valve piece with second movable valve piece, low level solenoid valve keeps opening the action so that the draught area of vent is in the state of opening completely simultaneously.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the electromagnetic valve has a simple structure, and can effectively adjust the ventilation area of the electromagnetic valve.
2. The smoke exhaust system is reasonable in design, and the uniformity of air volume distribution of the smoke exhaust system can be effectively improved.
3. The method for controlling the smoke exhaust of the flue is simple and feasible, and the uniform distribution of the air quantity of the system is realized by dynamically adjusting the ventilation area of the electromagnetic valve, so that the resistance of the electromagnetic valve in a smoke exhaust system is effectively reduced.
Drawings
FIG. 1 is a front view of a solenoid valve in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of the solenoid valve according to the embodiment of the present invention when the fixed valve plate is opened;
FIG. 3 is a schematic structural diagram of the solenoid valve according to the embodiment of the present invention when the fixed valve plate and the first movable valve plate are opened;
FIG. 4 is a schematic structural diagram of the electromagnetic valve closing the third movable valve plate according to the embodiment of the invention;
FIG. 5 is a schematic view of the solenoid valve vent of the present invention with the vent area fully open;
FIG. 6 is a schematic structural diagram of a smoke evacuation system according to an embodiment of the present invention;
fig. 7 is a flowchart illustrating a method for controlling smoke in a flue in an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the claims of the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 5, this embodiment provides an electromagnetic valve, including the valve body 1 that has the vent 11, still include driving motor 2, transmission shaft 3, fixed valve block 4 and at least one movable valve block, wherein driving motor 2 installs on valve body 1, and the output of driving motor 2 is connected with transmission shaft 3 in order to drive transmission shaft 3 upset, transmission shaft 3 is being kept away from the one end of driving motor 2 and is being connected with fixed valve block 4, movable valve block activity sets up in vent 11 department, and be provided with electromagnetic mechanism 5 on movable valve block so that transmission shaft 3 and movable valve block establish being connected or disconnection, through the combined action of movable valve block and fixed valve block 4 with switching vent 11, the controller respectively with driving motor 2, electromagnetic mechanism 5 electric connection.
In this embodiment, the vent 11 of the valve body 1 is communicated with the external common flue 9, the driving motor 2 is installed on the valve body 1 and located above the vent 11, and the output end of the driving motor 2 is connected with the transmission shaft 3 to drive the transmission shaft 3 to perform the turning motion around the driving motor 2, so as to drive the fixed valve plate 4 to perform the turning motion towards one end far away from the vent 11 to adjust the ventilation area of the vent 11, or to perform the turning motion towards one end close to the vent 11 to close the vent 11, the movable valve plate corresponding to the energized electromagnetic mechanism 5 is connected with the transmission shaft 3 by controlling the corresponding electromagnetic mechanism 5 on the movable valve plate to be energized, or the electromagnetic mechanism 5 is controlled to be de-energized to disconnect the movable valve plate corresponding to the de-energized electromagnetic mechanism 5 from the transmission shaft 3, so as to perform the ventilation area of the vent 11 by the combined action of the fixed valve plate 4 and the movable valve plate The adjustment is simple in structure, and the ventilation area of the electromagnetic valve can be effectively adjusted.
Further, the movable valve sheet comprises a first movable valve sheet 6, a second movable valve sheet 7 and a third movable valve sheet 8, wherein the first movable valve plate 6 is arranged at the vent 11 and at the outer position of the fixed valve plate 4, the second movable valve plate 7 is arranged at the outer position of the first movable valve plate 6 at intervals, the third movable valve plate 8 is arranged at the outer position of the second movable valve plate 7 at intervals, and the first movable valve plate 6, the second movable valve plate 7 and the third movable valve plate 8 are respectively provided with an electromagnetic mechanism 5, the transmission shaft 3 is respectively connected with or disconnected from the first movable valve plate 6, the second movable valve plate 7 and the third movable valve plate 8 through the action of the electromagnetic mechanism 5, so that the ventilation area of the ventilation opening 11 is adjusted, the ventilation device is simple in structure and reasonable in design, and can effectively adjust the ventilation area of the ventilation opening 11.
Specifically, still include the sealing member, the sealing member sets up respectively in the position department between fixed valve plate 4 and first movable valve plate 6, the position department between first movable valve plate 6 and second movable valve plate 7, the position department between second movable valve plate 7 and third movable valve plate 8, its simple structure, compactness, can further improve the sealed effect between two valve plates.
In this embodiment, a fixed valve plate 4, a first movable valve plate 6, a second movable valve plate 7, and a third movable valve plate 8 are sequentially disposed at a position of a vent 11 from inside to outside, and an electromagnetic mechanism 5 is respectively disposed on the first movable valve plate 6, the second movable valve plate 7, and the third movable valve plate 8, a driving motor 2 drives a transmission shaft 3 to perform an overturning motion to drive the fixed valve plate 4 to open the vent 11, if a ventilation area of the vent 11 needs to be enlarged, the electromagnetic mechanism 5 corresponding to the first movable valve plate 6 is controlled to be energized, and then the driving motor 2 drives the transmission shaft 3 to rotate to enable the transmission shaft 3 and the first movable valve plate 6 to establish a connection relationship and drive the first movable valve plate 6 to move in a direction away from the vent 11 to adjust the area of the vent 11, and if the ventilation area of the vent 11 needs to be reduced, the driving motor 2 is controlled to drive the transmission shaft 3 to rotate to drive the first movable valve plate 6 to move in a direction close to the vent 11 so that the second movable valve plate 6 moves in the direction close to the vent 11 A movable valve block 6 is located vent 11 position department, then control its corresponding electromagnetic mechanism 5 outage so that transmission shaft 3 and first movable valve block 6 disconnection relation, drive transmission shaft 3 toward keeping away from the direction motion of vent 11 simultaneously in order to realize the adjustment of vent 11 area, and similarly, the switching mode of second movable valve block 7, third movable valve block 8 all is the same with the switching mode of first movable valve block 6, so through making transmission shaft 3 establish connection or disconnection with first movable valve block 6, second movable valve block 7, third movable valve block 8 respectively to adjust the ventilation area of vent 11. In addition, the sealing member in this embodiment is preferably a magnetic sealing strip structure, so that the valve sheet can be effectively prevented from falling off.
Further, the electromagnetic mechanism 5 comprises an electromagnet 51 and a magnetic block 52, wherein the electromagnet 51 is arranged on the transmission shaft 3, the electromagnet 51 is electrically connected with the controller, the magnetic block 52 is arranged on the movable valve plate, and the magnetic block 52 and the electromagnet 51 are arranged correspondingly, so that the design is reasonable, and the connection between the transmission shaft 3 and the movable valve plate can be facilitated.
Particularly, the valve further comprises a limiting block 12, wherein the limiting block 12 is arranged on the valve body 1 to limit the overturning motion of the transmission shaft 3, the structure is simple, and the overturning motion of the transmission shaft 3 can be effectively limited.
In the present embodiment, the electromagnet 51 is disposed on the transmission shaft 3, and the electromagnet 51 is electrically connected to the controller, so that the controller controls whether the electromagnet 51 is energized, so as to establish a connection relationship or a disconnection relationship between the electromagnet 51 and the magnetic block 52, and further establish a connection relationship or a disconnection relationship between the transmission shaft 3 and the corresponding movable valve piece. When transmission shaft 3 toward keeping away from the direction in vent 11 and overturn, when transmission shaft 3 overturns to stopper 12, prescribe a limit to transmission shaft 3's upset motion through stopper 12 to make driving motor 2 take place the stall, and then make transmission shaft 3 stop motion.
Example two:
as shown in fig. 6, the present embodiment provides a smoke exhaust system, which includes a common flue 9 and at least one range hood 91, an air outlet of the range hood 91 is communicated with the common flue 9, and further includes a solenoid valve 92 as described in the first embodiment, and the solenoid valve 92 is disposed at a communication position between the range hood 91 and the common flue 9.
Further, still include smoke exhaust host computer 93 and communication component, smoke exhaust host computer 93 sets up in the exit of public flue 9, and smoke exhaust host computer 93, range hood 91 are through communication component and solenoid valve 92 communication connection respectively, and its simple structure, reasonable in design can do benefit to the communication connection between solenoid valve 92 and range hood 91, the smoke exhaust host computer 93 respectively.
In this embodiment, the range hood 91 of multiple floors is respectively communicated with the common flue 9 through a smoke exhaust duct, so that the range hood 91 of each floor user discharges the cooking fume generated by cooking into the common flue 9 through the smoke exhaust duct, and further discharges the cooking fume entering the common flue 9 to the outside through the top outlet thereof, the electromagnetic valve 92 described in the first embodiment is arranged at the position where the smoke exhaust duct of the range hood 91 is communicated with the common flue 9, and the electromagnetic valve 92 of each floor and the corresponding range hood 91 are connected through a communication member to realize wired communication between the electromagnetic valve 92 and the range hood 91, for convenience of connection between the electromagnetic valve 92 of each floor and the smoke exhaust host 93 respectively, the communication member of the bracket of the electromagnetic valve 92 and the smoke exhaust host 93 preferably adopts wireless communication connection, such as bluetooth, infrared or other wireless communication members, therefore, according to the working state of the range hood 91 of each household and the floor height of the range hood, the corresponding electromagnetic valve 92 is controlled to adjust the ventilation area of the range hood, the air distribution uniformity of the smoke exhaust system is effectively improved, and the resistance of the valve plate in the smoke exhaust system can be further reduced.
Example three:
as shown in fig. 7, this embodiment provides a method for controlling smoke evacuation of a flue, which is applied to a smoke evacuation system as described in the second embodiment, and controls a corresponding electromagnetic valve to adjust a ventilation area of the smoke evacuation system according to a working state of a range hood of each household and a floor height of the smoke evacuation system, so as to effectively improve uniformity of air volume distribution of the smoke evacuation system, and thus, resistance of a valve plate in the smoke evacuation system can be further reduced.
The method for controlling the smoke exhaust of the flue in the embodiment comprises the following steps of:
and step S101, dividing the electromagnetic valves on the multiple floors into four floor areas of a low floor, a middle and high floor and a high floor according to the floor height in advance.
In this embodiment, the electromagnetic valves on multiple floors are divided into multiple floor areas according to the floor height in advance, and the electromagnetic valves can be divided into three floor areas or four floor areas, which are not limited to the above number, but also can be divided into other floor areas with more appropriate number according to the floor height and the actual demand. In this embodiment, the floors are described by dividing into four floor areas, i.e., a low floor, a medium floor, and a high floor, and the division of the floors by other numbers is not repeated.
And step S102, the user starts the range hood.
Step S103, the electromagnetic valve is opened to enable the ventilation area of the ventilation opening to be in a fully opened state.
And step S104, acquiring the information of the electromagnetic valve which is in the opening state currently in the public flue.
In this embodiment, a user opens the range hood to discharge oil smoke generated in cooking to a common flue, after the electromagnetic valve receives a start signal of the range hood, the electromagnetic valves control the electromagnets corresponding to the first movable valve plate, the second movable valve plate and the third movable valve plate to be respectively powered on to make the first movable valve plate, the second movable valve plate and the third movable valve plate have magnetism, the driving motor drives the transmission shaft to perform turning motion to drive the fixed valve plate, the first movable valve plate, the second movable valve plate and the third movable valve plate to be opened outwards until the transmission shaft contacts with the limiting block to form motor stalling to stop the motor, at this time, the ventilation area of the ventilation opening of the electromagnetic valve is in a fully opened state, all the electromagnetic valves in the fully opened state respectively feed back working signals to the smoke exhaust host, and the smoke exhaust host counts the current start number and the current floor position of the electromagnetic valve in the fully opened state.
Step S105, judging whether the electromagnetic valves in the opening state are distributed on each floor area;
if so, opening a fixed valve plate of the high-floor electromagnetic valve, a fixed valve plate and a first movable valve plate of the middle-high-floor electromagnetic valve, a fixed valve plate, a first movable valve plate and a second movable valve plate of the middle-floor electromagnetic valve, and simultaneously keeping the low-floor electromagnetic valve to be opened so as to enable the ventilation area of the ventilation opening to be in a fully opened state;
if not, dividing the electromagnetic valve in the opening state into four working areas of a low layer, a middle-high layer and a high layer according to the height of the floor.
In the embodiment, whether the electromagnetic valves in the opening state are distributed on each floor area or not is judged, that is, whether the electromagnetic valves in the opening state are distributed on each floor area or not is judged, if the electromagnetic valves in the opening state are distributed on each floor area, the operating conditions of the electromagnetic valves are issued to the electromagnetic valves, each electromagnetic valve controls the corresponding electromagnet to be electrified according to the received information so as to adjust the ventilation area of each electromagnetic valve vent, the range hood located in the high floor area needs to greatly reduce the air volume, the fixed valve plate of the high floor electromagnetic valve is opened, and the ventilation area of the high floor electromagnetic valve is the minimum at the moment; if the range hood positioned on the middle and high floors needs to reduce the air volume in a small range, the fixed valve plate and the first movable valve plate of the electromagnetic valve on the middle and high floors are opened at the same time; the electromagnetic valve positioned on the middle floor simultaneously opens the fixed valve plate, the first movable valve plate and the second movable valve plate; the electromagnetic valve at the low floor keeps opening action to enable the ventilation area of the ventilation opening of the electromagnetic valve at the low floor to be in a fully opened state, namely the fixed valve plate, the first movable valve plate, the second movable valve plate and the third movable valve plate of the electromagnetic valve at the low floor keep the fully opened state unchanged, so that the balance of all the air quantities of the range hoods in the whole smoke exhaust system can be kept.
Step S106, dividing the electromagnetic valve which is in the opening state into a plurality of working areas according to the floor height;
and opening the fixed valve plate of the high-rise electromagnetic valve, the fixed valve plate and the first movable valve plate of the middle-rise electromagnetic valve, and the fixed valve plate, the first movable valve plate and the second movable valve plate of the middle-rise electromagnetic valve, and simultaneously keeping the low-rise electromagnetic valve to be opened so as to enable the ventilation area of the ventilation opening to be in a fully opened state.
In this embodiment, if the currently opened electromagnetic valves are not distributed in each floor area, that is, the currently opened electromagnetic valves are all distributed in one working area, two working areas, or three working areas, the currently opened electromagnetic valves are subdivided into four working areas, that is, a low-rise working area, a middle-rise working area, and a high-rise working area according to the floor height, and the operating conditions of the electromagnetic valves are simultaneously issued to the electromagnetic valves, and each electromagnetic valve controls the energization of the corresponding electromagnet according to the received information to adjust the ventilation area of the vent of each electromagnetic valve. In addition, in order to adjust the ventilation area of the electromagnetic valve in this embodiment, if the electromagnetic valve in the currently opened state cannot be completely divided into four working areas according to the floor height, it is ensured that the low-level, the middle-level and the middle-level are respectively one of the quartering, and then the remaining electromagnetic valves in the opened state all belong to the high-level working areas, for example, the number of the electromagnetic valves in the currently opened state is 13, then there are 4 low-level working areas, 4 middle-level working areas and 1 high-level working area; or, the number of the electromagnetic valves currently in the open state is 11, so that there are 3 low-layer working areas, 3 middle-layer working areas, and 2 high-layer working areas, and reasonable division can be performed according to actual requirements, and further description of other types of division is omitted. Similarly, in order to maintain the balance of the air volume of all the range hoods in the whole smoke exhaust system, the fixed valve plate is opened when the electromagnetic valve is positioned at the high level; the electromagnetic valve positioned at the middle and high layers opens the fixed valve plate and the first movable valve plate at the same time; the electromagnetic valve positioned on the middle floor simultaneously opens the fixed valve plate, the first movable valve plate and the second movable valve plate; the electromagnetic valve at the low floor keeps opening action so as to enable the ventilation area of the ventilation opening of the electromagnetic valve at the low floor to be in a fully opened state, namely the fixed valve plate, the first movable valve plate, the second movable valve plate and the third movable valve plate of the electromagnetic valve at the low floor keep the fully opened state unchanged.
In this embodiment, if all the currently opened electromagnetic valves are concentrated in one of the working areas and the number of the currently opened electromagnetic valves is smaller than the number of the currently divided working areas, that is, the number of the currently opened electromagnetic valves is smaller than 4, the number of the currently opened electromagnetic valves is continuously determined, if the number of the currently opened electromagnetic valves is 3, the electromagnetic valves located on the high floor simultaneously open the fixed valve plate and the first movable valve plate, the electromagnetic valves located on the middle floor simultaneously open the fixed valve plate, the first movable valve plate and the second movable valve plate, and the electromagnetic valves located on the low floor maintain the opening action to make the ventilation area of the ventilation opening of the electromagnetic valve of the low floor in a fully opened state; if the number of the electromagnetic valves in the opening state is 2, the electromagnetic valves positioned on the high floor open the fixed valve plate, the first movable valve plate and the second movable valve plate at the same time, and the electromagnetic valves positioned on the low floor keep opening action so that the ventilation area of the ventilation opening of the electromagnetic valve on the low floor is in a fully opening state; and if the number of the electromagnetic valves in the opening state is 1, controlling the electromagnetic valves to keep opening so as to enable the ventilation area of the ventilation opening of the low-floor electromagnetic valve to be in a fully opening state.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (11)
1. The electromagnetic valve comprises a valve body (1) with a vent (11), and is characterized by further comprising a driving motor (2), a transmission shaft (3), a fixed valve block (4) and at least one movable valve block, wherein the driving motor (2) is installed on the valve body (1), the output end of the driving motor (2) is connected with the transmission shaft (3) to drive the transmission shaft (3) to overturn, one end of the transmission shaft (3) far away from the driving motor (2) is connected with the fixed valve block (4), the movable valve block is movably arranged at the vent (11), an electromagnetic mechanism (5) is arranged on the movable valve block to enable the transmission shaft (3) to be connected with or disconnected from the movable valve block, and the vent (11) is opened and closed under the combined action of the movable valve block and the fixed valve block (4), the controller is respectively electrically connected with the driving motor (2) and the electromagnetic mechanism (5).
2. The electromagnetic valve according to claim 1, wherein the movable valve plate comprises a first movable valve plate (6), a second movable valve plate (7) and a third movable valve plate (8), wherein the first movable valve plate (6) is disposed at the vent (11) and located at an external position of the fixed valve plate (4), the second movable valve plate (7) is disposed at an external position of the first movable valve plate (6) at intervals, the third movable valve plate (8) is disposed at an external position of the second movable valve plate (7) at intervals, the first movable valve plate (6), the second movable valve plate (7) and the third movable valve plate (8) are respectively provided with the electromagnetic mechanisms (5), and the transmission shaft (3) is respectively connected with the first movable valve plate (6), the second movable valve plate (7) and the third movable valve plate (8) through actions of the electromagnetic mechanisms (5), The second movable valve plate (7) and the third movable valve plate (8) are connected or disconnected, so that the ventilation area of the ventilation opening (11) is adjusted.
3. An electromagnetic valve according to claim 2, characterized by further comprising sealing elements respectively disposed at a position between the fixed valve plate (4) and the first movable valve plate (6), a position between the first movable valve plate (6) and the second movable valve plate (7), and a position between the second movable valve plate (7) and the third movable valve plate (8).
4. A solenoid valve according to claim 1, characterized in that the electromagnetic mechanism (5) comprises an electromagnet (51) and a magnet block (52), wherein the electromagnet (51) is arranged on the transmission shaft (3) and the electromagnet (51) is electrically connected with the controller, the magnet block (52) is arranged on the movable valve block and the magnet block (52) is arranged corresponding to the electromagnet (51).
5. A solenoid valve according to any one of claims 1 to 4, characterized in that it further comprises a stopper (12), said stopper (12) being arranged on said valve body (1) to limit the overturning movement of said transmission shaft (3).
6. A smoke evacuation system comprising a common flue (9) and at least one extractor hood (91), the air outlet of the extractor hood (91) being in communication with the common flue (9), characterized by further comprising a solenoid valve (92) according to any one of claims 1 to 5, the solenoid valve (92) being arranged at the communication between the extractor hood (91) and the common flue (9).
7. The smoke exhaust system according to claim 6, further comprising a smoke exhaust host (93) and a communication component, wherein the smoke exhaust host (93) is arranged at an outlet of the common flue (9), and the smoke exhaust host (93) and the smoke exhaust ventilator (91) are respectively in communication connection with the electromagnetic valve (92) through the communication component.
8. A method for controlling smoke exhaust from a flue, further comprising the smoke exhaust system according to any one of claims 6 and 7, the method comprising the steps of:
the electromagnetic valves on multiple floors are divided into multiple floor areas according to the floor heights in advance;
the user starts the range hood;
opening the solenoid valve to place the vent area of the vent in a fully open state;
acquiring information of the electromagnetic valve in an opening state currently in the public flue;
and judging whether the electromagnetic valves in the opening state are distributed on each floor area or not, and controlling the electromagnetic valves of different floors to adjust the ventilation area of the ventilation opening according to the judgment result.
9. The method for controlling smoke exhaust from a flue according to claim 8, wherein the step of dividing the electromagnetic valves on a plurality of floors into a plurality of floor areas according to the floor heights in advance comprises:
and dividing the electromagnetic valves on the multiple floors into four floor areas of a low floor, a middle-high floor and a high floor according to the height of the floors.
10. The method for controlling smoke exhaust of a flue according to claim 9, wherein the step of determining whether the solenoid valves currently in an open state are distributed on each floor area and controlling the solenoid valves on different floors to adjust the ventilation area of the ventilation opening according to the determination result comprises:
judging whether the electromagnetic valves in the opening state are distributed on each floor area or not;
if so, opening the fixed valve plate of the high-floor electromagnetic valve, the fixed valve plate and the first movable valve plate of the middle-high-floor electromagnetic valve, and the fixed valve plate, the first movable valve plate and the second movable valve plate of the middle-floor electromagnetic valve, and simultaneously keeping the low-floor electromagnetic valve to be opened so as to enable the ventilation area of the ventilation opening to be in a fully opened state;
if not, dividing the electromagnetic valve in the opening state into four working areas of a low layer, a middle-high layer and a high layer according to the height of the floor.
11. The method for controlling smoke exhaust of a flue according to claim 10, wherein the step of dividing the electromagnetic valve which is currently in the open state into a plurality of working areas according to the floor height comprises the following steps:
dividing the electromagnetic valve which is in the opening state into a plurality of working areas according to the floor height;
open high-rise solenoid valve the fixed valve piece, well high-rise solenoid valve the fixed valve piece with first movable valve piece and middle level solenoid valve the fixed valve piece first movable valve piece with second movable valve piece, low level solenoid valve keeps opening the action so that the draught area of vent is in the state of opening completely simultaneously.
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Cited By (1)
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| CN114607788A (en) * | 2022-03-22 | 2022-06-10 | 上海华力微电子有限公司 | Air suction valve, air suction valve opening and closing method and negative pressure cavity assembly |
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| CN113188166B (en) | 2022-12-09 |
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