JPS60122846A - Smoke venting device - Google Patents

Abstract

PURPOSE:To provide a serviceable and compact smoke venting device by providing a cleaning tank with a lid which has a funneled part and disposing a float in the mouth of the funneled part to open or close the same so as to reduce the vapor loss of the cleaning liquid contained in the cleaned in the cleaning tank. CONSTITUTION:When a smoke venting fan 6 is rotated while cooking in a heating section, the air containing oily soot generated during the cooking is drawn from an air inlet 7 and rises as it is guided by a buffle plate 9 in the smoke venting device body 5. The oiled components collide against and stick to the inner wall and the buffle plate 9 due to their own inertia. The air which has shed almost all its only components is vented from the fan 6 to the outside. Since a float 14 plugs the mouth 13 of the funnelled part formed in a lid 12 by the gravity to seal a cleaning tank 11, the cleaning liquid will not come into contact with the air containing the warm oily soot or its flow, resulting in preventing the vapor loss of the cleaning liquid.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a smoke evacuation device having a collision-type oil smoke removal function and a oil smoke removal section cleaning function.

Conventional Structure and Problems Conventionally, this type of collision type smoke evacuation device shown in Figs. The cleaning liquid stored in the cleaning tank 2 is sucked up by the pump 3, and the oil and fat remaining inside the main body is removed by colliding with and adhering to the inner wall surface of the smoke evacuation device body and the baffle plate 1, and the cleaning nozzle 4 The cleaning liquid is then sprayed onto the baffle plate 1 and the inner wall for cleaning. After cleaning, the cleaning liquid returns to the cleaning tank 2 and is repeatedly sprayed for cleaning. When the cleaning is completed, the pump 3 is stopped and the cleaning liquid is returned to the cleaning tank 2 and stored therein. In this conventional smoke evacuation system, the upper part of the cleaning tank 2 is open, so the cleaning liquid easily evaporates, and it is necessary to replenish the cleaning liquid frequently.
Is there a problem with having to make it bigger?

OBJECTS OF THE INVENTION The present invention solves these conventional problems, reduces evaporation of cleaning liquid from a cleaning tank, and provides a compact smoke evacuation device that is easy to maintain.

Structure of the Invention The smoke evacuation device of the present invention comprises: a smoke evacuation fan provided on the upper part of the smoke evacuation device main body; a plurality of buckle plates provided inside the smoke evacuation device main body; the baffle plates and the smoke evacuation device. It has a plurality of cleaning nozzles that clean the inner wall of the main body, a cleaning pump that supplies cleaning liquid to the cleaning nozzles, and a cleaning tank that stores the cleaning liquid and is provided at the bottom of the smoke evacuation device body, and a funnel is provided in the cleaning tank. A lid having a shaped portion is provided, and a float for opening and closing the funnel-shaped portion is provided at the opening of the funnel-shaped portion to prevent evaporation of the cleaning liquid stored in the cleaning tank.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In Figs. 3 to 6, 5 is a smoke evacuation device body installed at a certain distance from the microwave oven (not shown), and a smoke evacuation fan 6 is installed on the upper part of the main body to remove air from the intake lower. The smoke is sucked in, passes through the inside of the smoke evacuation device, and is discharged from the exhaust port 8. A plurality of baffle plates 9 and cleaning nozzles 1o are provided inside the smoke evacuation device main body 6. A cleaning tank 11 for storing cleaning liquid is provided at the bottom of the smoke exhaust device main body 1.
On top of this cleaning tank 11 is a lid 12 formed with a funnel-shaped part.
is provided integrally with the main body 1 or detachably therefrom. As shown in FIGS. 6 and 6, a float ++4, which is larger in diameter than the opening 3 and has a specific gravity smaller than that of the cleaning liquid, is installed in the opening 13 of the funnel-shaped portion of the lid 12. 18 is a pump that sucks up the cleaning liquid from the cleaning tank 11 and supplies it to the cleaning nozzle 1o.

The operation in the above configuration will be explained. First, the case of exhausting smoke will be explained. When the smoke exhaust fan 6 is rotated during cooking in the heating section, air containing oily smoke generated during cooking is sucked in from the intake lower, and the baffle plate 9 inside the smoke exhaust device main body etc.
It ascends while being deflected. At that time, the oil and fat components collide and adhere to the inner wall and the baffle plate 9 due to inertial force. The air from which most of the oil and fat content has been removed is discharged from the fan 6 to the outside. During this time, the float 14 closes the opening 13 formed in the lid 12 due to gravity as shown in FIG.
Since the cleaning liquid is in a sealed state, the cleaning liquid does not come into contact with air mixed with oil smoke or its airflow, and evaporation of the cleaning liquid is prevented.

Next, the case of cleaning the inner wall of the smoke evacuation device main body 6 and the baffle plate 9 will be explained. Stop the smoke exhaust fan 6 and turn on the cleaning pump 18.
When the system is operated, cleaning liquid is sucked up from the cleaning tank 11 and sprayed from the cleaning nozzle 10 onto the inner wall and the baffle plate 9 to perform cleaning.

After cleaning, the cleaning liquid flows downward along the inner wall, and the lid 12
The water is then collected in a funnel-shaped part formed in the lid 12.

A float 14 having a specific gravity smaller than that of the cleaning liquid is provided in the funnel-shaped part of the lid 12.
is installed, the float 14 is floated by the cleaning liquid, the opening 13 of the funnel-shaped part is opened, and the cleaning liquid is poured into the cleaning tank 11.
Return to. The cleaning liquid returned to the cleaning tank 11 is pumped to the pump 1.
Then, it is again supplied to the cleaning nozzle 1o. After cleaning for a certain period of time, the cleaning pump 18 stops, the cleaning liquid almost completely returns to the cleaning tank 11, and the float 14 again closes the opening 13 of the funnel-shaped part as shown in the figure, and the cleaning liquid tank 11 Keep it tightly closed to prevent the cleaning solution from evaporating.

Next, regarding other embodiments of the present invention, FIGS. 7 and 8 of the accompanying drawings.
This will be explained based on the diagram. 6 to 13 are the same as the embodiments shown in FIGS. 3 to 6 already described, and the opening 13 is
A float 17 having a spherical part 16 slightly smaller in diameter than the diameter of the float 17 and a protrusion 16 for preventing the float from slipping out of the opening 13 is installed.

18I'i This is a pump that sucks up the cleaning liquid from the cleaning tank 11 and supplies it to the cleaning nozzle 1o, as in FIGS. 3 to 6.

The operation in the above configuration will be explained. As shown in FIG. 7, the float 17 during smoke exhaust closes the opening 13 of the funnel-shaped part formed in the lid 12 due to its buoyancy, and the cleaning tank 11 becomes sealed, so that the cleaning liquid does not escape from the warm air of oil smoke or its buoyancy. Evaporation of the cleaning liquid is prevented since it does not come into contact with airflow. Next, while cleaning the inner wall of the smoke evacuation device main body 5 and the baffle plate 9, the cleaning liquid is sucked up from the cleaning tank 11 by the cleaning pump 18 and sprayed from the cleaning nozzle 10. At that time, cleaning tank 11
As the water level of the tank lowers and the float also lowers, the opening 13 is opened as shown in FIG. 8, and the cleaning liquid flowing along the inner wall and the funnel-shaped part of the lid 12 is returned to the cleaning tank 11. The cleaning liquid is then supplied to the cleaning nozzle 1o again by the pump 18. After cleaning for a certain period of time, the cleaning pump 18 is stopped, and when the cleaning liquid returns to the cleaning tank, the funnel-shaped opening 13 is closed again, as shown in FIG. 7, to seal the cleaning tank 11 and prevent evaporation of the cleaning liquid.

Effects of the Invention As described above, in the present invention, the cleaning tank is provided with a lid having a funnel-shaped part, and a float for opening and closing the opening of the funnel-shaped part is provided. During smoke exhausting, the cleaning tank is kept in a sealed state to prevent the cleaning liquid from evaporating, which reduces the frequency of replenishment of cleaning liquid, and because there is no need to enlarge the cleaning tank in anticipation of evaporation, the equipment can be made more compact. It has excellent effects.

[Brief explanation of drawings]

Fig. 1 is a front view of a conventional smoke evacuation device, Fig. 2 is a sectional view of the same side, and Fig. 3 is a front view showing an embodiment of the smoke evacuation device of the present invention.
FIG. 4 is a cross-sectional view of the same side, and FIGS. 5 and 6 are side cross-sectional views of the same essential parts. FIG. 5 shows the state during smoke exhausting, and FIG. 6 shows the state during cleaning. 7 and 8 are side sectional views of main parts showing other embodiments of the smoke evacuation device of the present invention, with FIG. 7 showing the state during smoke evacuation and FIG. 8 showing the state during cleaning. 6...Smoke exhaust device main body, 6...Smoke exhaust fan, 9...
... Baffle plate, 10 ... Cleaning nozzle, 11
...Cleaning tank, 12...Funnel-shaped lid,
14.17...Float, 18...Pump. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 2? 33rd 4th/115.1・(o' 7, -m-/lQ'7 - Fig. 5 1θ

Claims (1)

[Claims] A smoke exhaust fan provided at the top of the smoke exhaust device body, a plurality of buckle plates provided inside the smoke exhaust device body, and a plurality of cleaning nozzles for cleaning the buckle plates and the inner wall of the smoke exhaust device body. , a cleaning pump that supplies cleaning liquid to the cleaning nozzle, and a cleaning tank that stores the cleaning liquid and is provided at the bottom of the smoke evacuation device main body, and the cleaning tank is provided with a lid that forms a funnel-shaped part, and the funnel A smoke evacuation device that has a float installed in the opening of the shaped part to open and close it.