CN2148911Y

CN2148911Y - Range exhauster for removing cooking fumes

Info

Publication number: CN2148911Y
Application number: CN 92244189
Authority: CN
Inventors: 陈铁良
Original assignee: Individual
Current assignee: Chen Tieliang
Priority date: 1992-12-18
Filing date: 1992-12-18
Publication date: 1993-12-08
Anticipated expiration: 2002-12-18

Abstract

The utility model relates to a cooker hood which comprises a casing, a motor arranged on the top of the casing, a fume exhausting fan, an exhaust pipe interface, a one-way guiding movable door, an illumination lamp, a gas leakage inductor and a combination switch, wherein, the casing is approximatively in the shape like the Chinese character 'chang', a panel of the casing is provided with a plurality of suction openings, and an oil collecting slot is arranged at the middle part of a plate on the lowest end of the casing. The utility model has good fume flowing performance, and the suction openings are close to the fire. Therefore, the utility model can use a motor with small power to reach the fume exhaust effect of the existing cooker hood. The utility model has the advantages of energy saving, reduced work noise and reduced production cost.

Description

Range exhauster for removing cooking fumes

The utility model relates to a kind of device that extracts oil smoke and room waste gas, refers to a kind of smoke exhaust ventilator that has more smoke pumping efficient especially.

At present, the general smoke exhaust ventilator that uses is by motor, fan, unidirectional water conservancy diversion dodge gate, oil trap, illuminating lamp, gas leak inductor, stacked switch, install in the horizontal shell and form, employing level is in use installed, because housing is thinner, level installation span is bigger, and then sagging moment is also bigger, so installation strength is had relatively high expectations, cause installation inconvenience and time one long more fragile, and smoke exhaust ventilator is fixing loosening; Motor and fan directly are suspended from the flame top simultaneously, cause greasy dirt directly to drop onto in the food, and because of considering that body fuselage can not run into the head of kitchen personnel, so the installation site must be higher, so the installation site height, fan is just from flame or pot face distance, and, then must increase motor and number of fans for reaching smoke pumping effect preferably, select more superpower motor for use, bring bigger operating noise and energy resource consumption like this, the also corresponding raising of cost.

The purpose of this utility model is to disclose a kind ofly can reduce operating noise, reduces the greasy dirt drippage and saves the energy, and is easy for installation, the smoke exhaust ventilator that reduces production costs.

The technical scheme that realizes the present utility model purpose is: comprise shell, be located at the motor of cover top portion, the smoke pumping fan, exhaust duct interface, unidirectional water conservancy diversion dodge gate, the illuminating lamp window, the gas leak inductor, stacked switch, crucial part of the present utility model is that shell shape is approximately factory's shape, housing face-plate is provided with a plurality of suction opeings, and oil trap is located at the middle part of plate bottom of shell.

Because shell shape of the present utility model is approximately factory's shape, housing face-plate is provided with a plurality of suction opeings, its a plurality of suction opeings are located at the wall face and the top of panel respectively, so suction opeing is all arranged at the side and the top of flame, suction opeing is nearer from the position of flame like this, can reach 1/2 distance of existing smoke exhaust ventilator apart from flame, according to hydromechanical theory, the flowing velocity that oil smoke rises to the suction opeing on the side wall surface is bigger, then enter the downdraft mouth rapidly, along with curving of panel, panel increases the resistance of flue gas stream, the flow velocity of flue gas stream reduces, holdup time increases, and at this moment the air-flow velocity of panel inside increases, and suction opeing inside and outside pressure differential in top increases, the smoke exhaust efficiency of top suction opeing is increased, therefore at this moment can use the less motor exhausting of power, just can reach the smoke discharging effect of existing smoke exhaust ventilator, thus energy savings, reduce operating noise, also reduced production cost simultaneously.

Provide structure of the present utility model in detail according to accompanying drawing below.

Fig. 1 is the whole diagrammatic sketch of the utility model.

Fig. 2 opens structure expanded view behind the panel for the utility model.

Fig. 3 is the utility model outward appearance front view.

Fig. 4 is the utility model outward appearance side view.

Fig. 5 is the utility model outward appearance vertical view.

Fig. 6 is the A--A sectional view among Fig. 3.

Fig. 7 is the B--B sectional view among Fig. 3.

Fig. 8 is the C--C sectional view among Fig. 4.

Among the figure: 1 is body fuselage, and 2 is housing face-plate, and 3 is suction opeing, and 4 is the illuminating lamp window, 5 is motor, and 6 is the exhaust duct interface, and 7 is the power supply stacked switch, and 8 is the gas leakage inductor, 9 is fan, and 10 is electric machine support, and 11 is deflector, 12 is oil trap, and 13 is the bottom plate of shell, and 14 is leg, 15 is plain cushion, and 16 is rubber cushion, and 17 is screw, 18 is bulb, and 19 is sealing joint strip, and 20 is the panel hold-down screw.

See also Fig. 1--Fig. 8, structure of the present utility model is: comprise shell 1, be located at the motor 5 of cover top portion, smoke pumping fan 9, exhaust duct interface 6, unidirectional water conservancy diversion dodge gate, illuminating lamp window 4, gas leak inductor 8, stacked switch 7, crucial part are that the shape approximation of shell 1 is factory's shape, and housing face-plate 2 is provided with a plurality of suction opeings 3, oil smoke is discharged outside the smoke exhaust ventilator by suction opeing 3, and oil trap 12 is located at the middle part of the plate bottom 13 of shell 1.Housing face-plate 2 is the curved surface shape of approximate factory shape, so that flue gas stream is with Laminar Flow, a plurality of suction opeings 3 rows on it are two rows, suction opeing 3 is provided with guard, the corresponding existing general eyes gas furnace that uses, the downdraft mouth 3 of every row's suction opeing is taken part of smoke on the one hand away, flue gas being inhaled toward shell panel 2 on the one hand makes flue gas stream flow along housing face-plate 2, for increasing the flowing velocity of the flue gas of being taken away in the shell, a plurality of deflectors 11 have been settled along the air-flow trend in the shell 1, as shown in Figure 2, be low wide and up narrow at interval between the deflector 11 in twos, airflow orifice is facing to fan 9, every deflector 11 is for narrow wide down, adapt with the shape of shell 1, the flowing velocity of flue gas stream between two deflectors quickened, so suction opeing place of the topmost of every row's suction opeing, flow velocity in its shell 1 is bigger, so it is bigger with the draught head of top suction opeing 3 outsides, flue gas stream there is stronger suction force, the efficient that flue gas is taken away improves, be the oil droplet that adheres in the discharge machine, be provided with oil trap 12 in panel 13 middle parts bottom at shell, shell lower end board 13 be shaped as shallow infundibulate, compile for ease of oil droplet, suppress the multiple tracks groove on the panel 2, make the greasy dirt crossheading flow down and come together in the oil trap 12; For reducing vibration noise, when mounted, leg 14 is fixed on the wall by rubber cushion 16, plain cushion 15 and screw 17.Simultaneously, utilize panel screw 20 and rubber strip 19 that panel 2 is fixed on the shell 1, with sealing and vibration damping.

Claims

1, a kind of smoke exhaust ventilator, comprise shell, be located at the motor of cover top portion, the smoke pumping fan, the exhaust duct interface, unidirectional water conservancy diversion dodge gate, illuminating lamp, gas leak inductor, stacked switch, it is characterized in that shell shape is approximately factory's shape, housing face-plate is provided with a plurality of suction opeings, and oil trap is located at the middle part of plate bottom of shell.

2, by the described smoke exhaust ventilator of claim 1, it is characterized in that housing face-plate is the curved surface shape of approximate factory, a plurality of suction opeing rows on it are two rows, suction opeing is provided with guard.

3, by the described smoke exhaust ventilator of claim 1, it is characterized in that having settled a plurality of deflectors along the air-flow trend in the enclosure, between two deflectors is low wide and up narrow at interval, airflow orifice is facing to fan.

4,, it is characterized in that deflector is narrowly down widely, adapts with the shape of shell by the described smoke exhaust ventilator of claim 3.

5, by the described smoke exhaust ventilator of claim 1, it is characterized in that the shallow infundibulate of being shaped as of shell bottom plate, suppress the multiple tracks groove on the panel.