CN211781687U - Automatic air supplement system for kitchen - Google Patents
Automatic air supplement system for kitchen Download PDFInfo
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- CN211781687U CN211781687U CN202020264247.5U CN202020264247U CN211781687U CN 211781687 U CN211781687 U CN 211781687U CN 202020264247 U CN202020264247 U CN 202020264247U CN 211781687 U CN211781687 U CN 211781687U
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Abstract
The utility model relates to a ventilation engineering field provides an automatic mend wind system in kitchen, include: fresh air port, tuber pipe, fan, non return blast valve, pressure stabilizing cavity and controller. The pressure stabilizing cavity is arranged above the space of the suspended ceiling in a kitchen, the orifice plate air supply ports are uniformly arranged below the pressure stabilizing cavity, and the controller can enable the system to automatically start and stop the fan according to the opening condition of the range hood and the non-return air valve so as to automatically switch between natural air supply and mechanical air supply. The utility model has simple structure, convenient installation, even and smaller air outlet speed and no obvious blowing sense; the fan can be opened as required automatically and stopped, and when the natural ventilation air quantity can not meet the requirement, the fan is automatically opened to mechanically supply air, so that the energy is saved, and the stable air supply quantity can be ensured.
Description
Technical Field
The utility model relates to a ventilation engineering field especially relates to an automatic air supplement system in kitchen.
Background
The cooking process can generate a large amount of harmful indoor air pollutants, and the health of people is seriously affected. Although the range hood is installed in a resident home, the range hood has the problems that the working effect is poor, the concentration of local pollutants is high, the range hood cannot be timely discharged and the like due to the fact that the tightness of doors and windows of a kitchen is good in the common cooking process, and a proper amount of fresh air cannot be timely supplemented in the kitchen.
At present, most household kitchens are not provided with air supplementing equipment, and only the air is supplemented by opening a window. Common solution on the market is mostly mechanical air supplement, and installation air supply fan and smoke ventilator linkage carry out the mechanical air supply indoor when smoke ventilator works. Although the scheme realizes the aim of supplementing air for the kitchen, the scheme also brings larger power consumption of the fan. The utility model discloses an application number is 201720713645.9's utility model patent discloses a domestic kitchen mends wind system, mends wind pipeline and uniform pressure chamber through setting up, utilizes the negative pressure that the smoke ventilator during operation produced to carry out the natural air supplementation to the kitchen. This system greatly reduced the cost expense of mending wind, but this air supply mode can produce the sense of blowing to the human body and because the air supply volume of natural draft uncontrollable and the local negative pressure scope that smoke ventilator during operation formed is little, pressure gradient decay is obvious for the supply-air outlet air supply volume unstable and the very easily production air supply volume of this system department of keeping away from smoke ventilator is not enough the problem.
Therefore, the improvement on the prior art and the development of the automatic kitchen air supply system which is economical, energy-saving and capable of ensuring stable air supply quantity have important practical significance.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art existence, provide an automatic mend wind system in kitchen that not only economic energy-conservation can guarantee again to stabilize the air supply volume.
In order to achieve the purpose, the utility model adopts the following technical proposal:
an automatic air replenishment system for a kitchen, comprising: fresh air port, tuber pipe, fan, non return blast valve, pressure stabilizing cavity and controller. The fresh air port is arranged on the outer wall of the kitchen far away from the air outlet, and outdoor fresh air enters the room from the fresh air port; the air pipe is arranged between the fresh air inlet and the suction inlet of the fan, the air check valve is arranged between the air outlet of the fan and the air inlet of the pressure stabilizing cavity, and the pressure stabilizing cavity is arranged above a ceiling plate of a kitchen; the controller is connected with the fan electric control box, the smoke exhaust ventilator electric control box and the direct-acting travel switch through control signal lines to control the automatic operation of the whole system.
Furthermore, the air check valve is a rectangular pipe section, a direct-acting type travel switch is installed on the side wall of the opening direction of the air check valve, the direct-acting type travel switch is installed perpendicular to the air flow direction, and the contact of the direct-acting type travel switch is flush with the height of the rotating shaft of the air valve blade. When the non-return air valve is completely opened, the air valve blade touches the direct-acting travel switch to realize the closing of the electric contact.
Furthermore, the ceiling board is provided with orifice plate air outlets which are uniformly distributed, the aperture of each orifice plate air outlet is 6-10 mm, and outdoor fresh air can be uniformly delivered into a kitchen at a low speed through the orifice plate air outlets.
Furthermore, a dustproof net is arranged above the ceiling plate to prevent dust from entering a kitchen through the orifice plate air supply outlet.
Furthermore, the controller is connected with the fan electric control box, the smoke exhaust ventilator electric control box and the direct-acting travel switch through signal lines, so that the automatic start and stop of the fan can be controlled.
Furthermore, the signals received by the controller are start-stop signals of the range hood and start-stop signals of the direct-acting travel switch, and the output signals are start-stop signals of the fan
Compared with the prior art, the utility model has the advantages that: the structure is simple, the suspended ceiling space can be utilized to directly reform the original kitchen, and the installation is convenient; the air outlet speed is uniform and small by utilizing the form of air supply by the orifice plate, and obvious blowing feeling can not be generated to the human body; the fan can be opened as required automatically and stopped, defaults to carry out natural draft, and when the natural draft amount of wind can't satisfy the demand, the fan is opened automatically to carry out mechanical air supply, and not only is economic and energy-saving but also the stable amount of wind can be guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a system schematic diagram of an automatic air supply system for a kitchen according to an embodiment of the present invention;
fig. 2 is an internal side view of the check damper according to the embodiment of the present invention when closed.
Fig. 3 is an internal side view of the check damper according to the embodiment of the present invention when opened.
Fig. 4 is a schematic view of a ceiling plate according to an embodiment of the present invention.
Fig. 5 is a schematic wiring diagram of the controller according to the embodiment of the present invention.
In the figure, 1 is a fresh air inlet, 2 is an air pipe, 3 is a fan, 4 is a stop return air valve, 5 is a pressure stabilizing cavity, 6 is a dust screen, 7 is a pore plate air supply outlet, 8 is a ceiling plate, 9 is a pressure stabilizing cavity air inlet, 10 is an air valve blade, 11 is a rotating shaft, 12 is a direct-acting travel switch, 13 is a smoke exhaust ventilator, 14 is a controller, 15 is a fan electric control box, 16 is a smoke exhaust ventilator electric control box, and a one-way arrow indicates the air flow direction.
Detailed Description
The present invention will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides an automatic air supplement system in kitchen, as shown in figure 1, include: the fresh air inlet 1, the air pipe 2, the fan 3, the non-return air valve 4 and the pressure stabilizing cavity 5; fresh air port 1 install and keep away from air outlet department in the kitchen outer wall, tuber pipe 2 install between fresh air port 1 and the sunction inlet of fan 3, non return air valve 4 install between air outlet and pressure stabilizing cavity air intake 9 of fan 3, pressure stabilizing cavity 5 set up the top at the furred ceiling board 8 in kitchen.
As shown in fig. 2 and 3, the air check valve 4 is a rectangular pipe section, a direct-acting type travel switch 12 is installed on a side wall of the air check valve 4 in the opening direction of the air check valve, the direct-acting type travel switch 12 is installed perpendicular to the air flow direction, and a contact of the direct-acting type travel switch 12 is flush with the height of the rotating shaft 11 of the air valve blade. When the non-return air valve 4 is completely opened, the air valve blade 10 touches the direct-acting travel switch, and the closing of the electric contact is realized.
As shown in fig. 4, the ceiling plate 8 is located below the pressure stabilizing cavity 5, the ceiling plate 8 is provided with orifice plate air supply outlets 7 which are uniformly arranged, the aperture of the orifice plate air supply outlet 7 is 6-10 mm, and fresh air can be uniformly supplied into a kitchen space through the orifice plate air supply outlet at a low speed. A dust screen 6 is arranged above the ceiling plate 8 to prevent dust from entering the kitchen through the orifice plate air supply outlet.
As shown in fig. 5, the controller 14 is connected to the fan control box 15, the range hood control box 16 and the direct-acting type travel switch 12 through control signal lines to control the automatic start and stop of the fan. The signals received by the controller 14 are start-stop signals of the range hood 13 and start-stop signals of the direct-acting type travel switch 12, and the output signals are start-stop signals of the fan 3.
When the range hood 13 in the kitchen is opened, a negative pressure area is generated in the kitchen, the air check valve 4 is opened under the action of indoor and outdoor pressure difference, the electric contact of the direct-acting travel switch 12 is closed, outdoor fresh air enters the pressure stabilizing cavity 5 from the air inlet 1, the air speed in the pressure stabilizing cavity 5 is very low, and the fresh air is uniformly fed into the kitchen through the orifice plate air supply outlet 7. When the air supply quantity is insufficient, the internal and external pressure difference is reduced, so that the air check valve 4 is closed, the electric contact of the direct-acting type travel switch 12 is disconnected, the controller 14 detects a falling edge signal from closing to disconnection of the direct-acting type travel switch 12 under the opening state of the range hood 13 and sends a starting signal to the fan 3, the fan 3 is opened, and the system starts mechanical air supply to ensure fresh air supply of a kitchen. When the range hood 13 stops working, the controller 14 detects a stop signal of the range hood 13, sends the stop signal to the fan 3, and the fan 3 stops running.
Claims (4)
1. An automatic air supplement system for a kitchen, comprising: the device comprises a fresh air port (1), an air pipe (2), a fan (3), a non-return air valve (4), a pressure stabilizing cavity (5) and a controller (14); the fresh air port (1) is arranged on the outer wall of the kitchen far away from the air outlet, the air pipe (2) is arranged between the fresh air port (1) and the suction inlet of the fan (3), the non-return air valve (4) is arranged between the air outlet of the fan (3) and the air inlet (9) of the pressure stabilizing cavity, and the pressure stabilizing cavity (5) is arranged above a ceiling plate (8) of the kitchen; the controller (14) is connected with the fan electric control box (15), the smoke exhaust ventilator electric control box (16) and the direct-acting travel switch (12) through control signal lines.
2. The automatic air supplementing system for the kitchen according to claim 1, wherein: the air check valve (4) is a rectangular pipe section, a direct-acting type travel switch (12) is installed on the side wall of the opening direction of the air check valve (4) and perpendicular to the airflow direction, and the contact of the direct-acting type travel switch (12) is flush with the height of a rotating shaft (11) of an air valve blade (10).
3. The automatic air supplementing system for the kitchen according to claim 1, wherein: the suspended ceiling plate (8) is provided with orifice plate air supply outlets (7) which are uniformly arranged, the aperture of each orifice plate air supply outlet (7) is 6-10 mm, and a dust screen (6) is arranged above the suspended ceiling plate (8).
4. The automatic air supplementing system for the kitchen according to claim 1, wherein: the signal received by the controller (14) is a start-stop signal of the range hood (13) and a start-stop signal of the direct-acting type travel switch (12), and the output signal is a start-stop signal of the fan (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020264247.5U CN211781687U (en) | 2020-03-06 | 2020-03-06 | Automatic air supplement system for kitchen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020264247.5U CN211781687U (en) | 2020-03-06 | 2020-03-06 | Automatic air supplement system for kitchen |
Publications (1)
| Publication Number | Publication Date |
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| CN211781687U true CN211781687U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020264247.5U Active CN211781687U (en) | 2020-03-06 | 2020-03-06 | Automatic air supplement system for kitchen |
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| Country | Link |
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| CN (1) | CN211781687U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566254A (en) * | 2021-08-05 | 2021-10-29 | 同济大学 | Residential kitchen air supplementing method and air supplementing integrated range hood |
-
2020
- 2020-03-06 CN CN202020264247.5U patent/CN211781687U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566254A (en) * | 2021-08-05 | 2021-10-29 | 同济大学 | Residential kitchen air supplementing method and air supplementing integrated range hood |
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