JP3906094B2 - Method and apparatus for checking liquid level of waste liquid container in range hood fan - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a liquid level confirmation method and apparatus for a waste liquid container in a range hood fan.
[0002]
[Prior art]
A range hood fan installed above a kitchen table such as a gas range or electric range in a kitchen is located upstream of the air inlet of the blower to remove oil and fat contained in the smoke generated by cooking. A filter is installed, and the filter is configured to efficiently capture the oil and fat in the smoke (oil). The oil and fat collected in the filter and blower is received by the oil tray (disposable liquid container). In addition, the oil tray can be discarded by periodically removing the oil tray.
In addition, the range hood fan installed above the electromagnetic induction heating cooker (IH cooking heater) does not accompany combustion gas or ascending airflow, so steam generated during cooking adheres to the hood body and condenses. Gradually become large particles and eventually drops on the IH cooking heater and becomes dirty, so that the condensed water is similarly received by a tray (disposal liquid container), and the condensed water can be discarded.
Conventionally, the waste liquid container is attached to be hooked on a hood body or the like, and can be removed relatively easily.
[0003]
However, despite the fact that the oil and dew condensation water is stored at a high altitude, it cannot be confirmed unless it is removed from the top or removed one by one. It will also become.
[0004]
[Problems to be solved by the invention]
The present invention has been made in view of the above-described conventional circumstances, and the intended process is that even if the container is a disposal liquid container provided in a hood in a relatively dark atmosphere, the disposal liquid (oil or condensed water) It is an object of the present invention to provide a liquid level confirmation method and apparatus for a waste liquid container in a range hood fan having a simple structure capable of easily confirming the degree of liquid storage.
[0005]
[Means for achieving the object]
The technical means of the present invention taken to achieve the above object is a method for confirming the storage level of a waste liquid container that is detachably provided inside a hood in a relatively dark atmosphere,
A window portion (56) formed of a translucent material for confirming the liquid storage level in the waste liquid container (6) from the room is provided in the front portion (46) of the waste liquid container (6). Provided,
Part of the light from the luminaire (4a) provided in the hood (1) at the same height level as the waste liquid container (6) or a lower level than the waste liquid container (6) The range hood fan is characterized in that the waste liquid container is brightly illuminated by being taken into the waste liquid container, and the liquid storage level can be confirmed from the room through the window. (1).
Here, examples of the waste liquid container include an oil tray and a dew condensation water tray.
[0006]
According to the above technical means, even if the atmosphere in the hood is relatively dark due to light taken into the disposal liquid container such as an oil tray or a dew condensation water tray from the lighting fixture, Is brightly illuminated. As a result, it is possible to clearly confirm the storage level of oil or condensed water as waste liquid in the waste liquid container from the room through the window provided in the front portion .
[0007]
In the present invention, the liquid storage position confirmation device for carrying out the liquid storage position verification method described above is provided with a window portion formed of a translucent material for confirming the position reservoir from the indoor to the front portion and a waste liquid container and a lighting fixture provided in the hand the hood portion lower level than the waste liquid container equal height level or waste liquid container, a portion of the light from the luminaire, And an intake means for taking in the liquid container for reflection while being guided in reflection (claim 2).
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Next, an embodiment of a range hood fan having a liquid level confirmation device for a disposal liquid container according to the present invention will be described. FIGS. 1 to 15 use an electromagnetic induction heating type cooking heater (IH heater) as a cooking device. 1 shows an embodiment of a range hood fan.
[0009]
As shown in FIG. 2 and the like, the range hood fan A includes a hood 1 including a hood body 11, a support plate 21 for the filter 211, a dew condensation water guide plate 31, etc. installed horizontally on the lower level of the support plate 21, and the hood 1. The eddy current generator 2 provided inside, the exhaust device 3 installed in the space behind the filter 211, the illumination 4 arranged below the eddy current generator 2, and the left and right sides of the illumination 4 are generated. The control flow ejection portions 5 and 5 for enhancing the vortex force and the disposal liquid container 6 disposed between the two control flow ejection portions 5 and 5 are provided.
[0010]
As shown in FIGS. 1 to 3 and the like, the hood body 11 is formed in a substantially right triangle shape in a side view including a top plate 111, left and right side plates 112, and a back plate 113, and the front is opened.
[0011]
The eddy current generator 2 is a face plate called a current plate (denoted with reference numeral 12 in the following description) in the present embodiment, and as shown in FIGS. The lower portion is disposed on the upper portion left by closing the detachable curved cover 7.
[0012]
Further, as shown in FIG. 2, the rectifying plate 12 is disposed in the hood body 11 so as to be accommodated, and covers the entire width including the portion where the cooking odor (updraft) F containing steam just collides. The guide surface 121 is formed in a downward direction, and a curled surface 122 that is continuously formed in the lower side of the guide surface 121 and is curved in an arc shape over the entire width. .
More specifically, the curled surface 122 is formed in an arc shape with the lowermost end positioned in front of the middle part closest to the back plate 113 side.
[0013]
As shown in FIG. 2, the rectifying plate 12 has an upper half (one half) side and a lower half (the other half) on a support plate 21 provided at a position one step deep in the hood body 11. ) Side is detachably supported by the condensed water guide plate 31.
[0014]
As shown in FIG. 2, the dew condensation water guide plate 31 has a flat V shape with the middle in the depth direction as the lowermost end, and the left and right ends are supported by the left and right side plates 112, 112 of the hood body 11 and exhausted. It is laid sideways so as to cross the lower space of the apparatus 3, and the rear end is supported by the lower end opening of the cooling unit 18 to be described later, and the condensation water dropping holes 311 are scattered at the pointed head that is the lowermost end portion. (See FIGS. 8, 9, 11, and 12).
[0015]
As shown in FIG. 2, the support plate 21 has a concave shape, and has a mounting surface 111 a for an operation portion that is bent downward from the front edge of the top plate 111 of the hood body 11, and a condensed water guide plate 31. And a filter 211 is detachably provided at the bottom part behind the current plate 12.
The left and right edges of the support plate 21 are in contact with the inner surfaces of the left and right side plates 112 and 112 of the hood body 11.
[0016]
As shown in FIGS. 2 and 3, the rectifying plate 12 is sucked between the upper edge and the upper piece 212 of the support plate 21 and between the left and right edges and the left and right side plates 112 and 112 of the hood body 11. In order to form a clearance S, the filter 211 is disposed in front of the filter 211 and is detachably supported by the support plate 21 via the attachment means 9.
[0017]
The rear space defined by the support plate 21 and the dew condensation water guide plate 31 accommodates an exhaust device 3 composed of a sirocco fan that is connected to an exhaust duct D and exhausts outdoors as shown in FIG. As shown in FIGS. 3 to 5, blowers 10 and 10 made of small sirocco fans facing the curved cover 7 are disposed on the left and right sides of the illumination 4 in the lower space of the condensed water guide plate 31. The control flow ejection portions 5 and 5 communicating with the blowers 10 and 10 are curved on both sides with a waste liquid container (condensation water tray) 6 directly above the illumination 4 disposed between the blowers 10 and 10 interposed therebetween. The cover 7 is provided over the entire length in the length direction.
[0018]
Further, as shown in FIG. 2 and FIG. 5, the indoor air is taken into a portion where the rising air flow F generated during cooking does not face, in this embodiment, the rear end portion of the top plate 111 of the hood body 11. The portion 28 is opened, and the intake portion 28 and the control flow ejection portions 5 and 5 are connected to each other through a path 8 having a cooling portion 18 for cooling the drive source 13 of the exhaust device 3.
[0019]
The road 8 includes a back plate 113 of the hood body 11 as a constituent member, an air chamber 38 that opens both the upper end and the lower end, and the condensed water guide plate lower space 48 that communicates with the lower end open portion of the air chamber 38. As described above, the blowers 10 and 10 are disposed in the dew condensation water guide plate lower space 48, and the second half of the drive source (motor) 13 is disposed in the air chamber 38 so that the exhaust device 3 is disposed in the rear space. The indoor air sucked from the intake portion 28 opened in the top plate 111 of the hood 11 passes through the space 48 under the condensed water guide plate while cooling the drive source (motor) 13 of the exhaust device 3. Then, it is ejected from the control flow ejection sections 5 and 5 into the room through a path of intake by the two blowers 10 and 10 (see FIGS. 2 to 5).
[0020]
The control flow ejection portions 5 and 5 are box-shaped flow passages 15 and 15 individually connected to the discharge ports of the two blowers 10 and 10, respectively, and an ejection hole 17 opened in the curved cover 7. It is made up of ...
[0021]
As shown in FIG. 5, each of the box-shaped flow paths 15 and 15 is a box body made of a horizontally long body having an inner hollow slightly narrower than the space portions on both sides sandwiching the illumination 4 at the center in the width direction. As shown in FIG. 2, a baffle plate 151 is horizontally installed at the center part over the entire length in the center, and an ejection nozzle 152 is continuously provided at the outlet of the box body 15 so as to project over the entire length in the width direction. From the group of ejection holes 17 which are opened in rows in the flat step surface 27 of the curved cover 7 facing the outlet of the nozzle 152, obliquely upward from below toward the tangential direction of the vortex Q to be described later The control flow is jetted out.
As shown in FIG. 2, the curved cover 7 is formed with a linear inclined surface 37 facing the tangential direction of the eddy current Q at a portion immediately above the flat surface 27.
[0022]
Further, the ejection nozzle 152 of the box-shaped flow path 15 is provided in an inclined shape so as to intersect when the illumination side portion (in detail, a half portion) is extended upward, as shown in FIGS. 6 and 7. As shown in the figure, a corrugated material 152a having a length extending over the entire height is provided in the illumination side portion so as to be inclined in a front view upward direction, and the rising airflow F rising in front of the illumination 4 is also satisfactorily formed on the rectifying plate 12. The eddy current Q is uniformly guided over the entire length in the width direction of the rectifying plate 12 by being surely guided to the central portion.
[0023]
The illumination 4 is disposed in a housing shape between the pair of left and right blowers 10 and 10 in the space 48 under the condensed water guide plate described above, and is composed of a plurality of reflecting plates 24 as shown in FIGS. The lighting device 4a is detachably accommodated in the portion 14, and the open portion of the accommodating portion 14 opened to the curved cover 7 is covered with an irradiation panel 34 so as to be detachable, so that the lower illumination is performed.
Further, as shown in FIGS. 8, 11 and 12, an outlet 26 is opened in the curved cover 7 directly above the illumination 4, and the outlet 26 is provided at the front end to guide the condensed water. A rail-like container support portion 36 is provided in the container drawer portion 16 secured in the space 48 below the plate, and the container support portion 36 supports the dew condensation water tray as the waste liquid container 6 so that it can be taken in and out of the container drawer portion 16. is doing.
[0024]
The waste liquid container 6 is provided with a transparent window 56 at the front part 46 along the substantially same surface of the curved cover 7, and the container is pulled out each time the front part 46 of the waste liquid container 6 is pushed. The waste liquid container 6 is housed in the container drawer 16 via the magnet catch means C which alternately repeats the holding of the waste liquid container 6 in the housed state in the part 16 and the extrusion from the same part into the room.
Then, the waste liquid container 6 collects the condensed water that flows down by adhering to the rectifying plate 12 and the support plate 21 that supports the filter 211 by the condensed water guide plate 31, and the condensed water guide plate 31 falls. The condensed water falling from the hole 311 is received.
[0025]
Further, in the illumination 4, as shown in FIG. 12, a hole is opened as a light leakage portion 241 in the upper reflecting plate 24 of the storage portion 14, and light leaking from the hole is stored in the container drawer portion 16. The waste liquid container 6 is guided through the light guide 44.
[0026]
In the present embodiment, the light guide portion 44 is composed of one or more parallel reflectors, and the light leakage portion 241 formed in the housing portion 14 of the lighting fixture 4a and the waste liquid container 6 are disposed. And a light guide portion 44 that constitute a take-in means that allows the light to leak from the hole that is the light leakage portion 241 and the waste liquid container 6 that is a dew condensation water tray. The inside of the container 6 is brightened so that the liquid storage level can be clearly confirmed from the window 56 (see FIG. 12).
[0027]
As shown in FIGS. 13 to 15, the attachment means 9 for the rectifying plate 12 is provided with movable protrusions 19 at a plurality of locations in the upper half (corresponding to one half) of the support plate 3, and movable protrusions on the back surface of the rectifying plate 12. In the embodiment, a locked body 29 is provided to lock 19 in a cross shape, and the lower half (corresponding to the other half) of the current plate 12 is releasably locked to the condensed water guide plate 31 by the hook 39. A form is demonstrated.
[0028]
The movable protrusion 19 is provided corresponding to one half of the current plate 12, specifically, the upper corner of the current plate 12.
The movable projection 19 is attached to a support leg provided on the support plate 21 with a spring accommodating portion 191 that accommodates the compression bullet b. The compression bullet b supports the shaft portion 192 having a tapered enlarged head 192a. It has a configuration.
In the present embodiment, the enlarged head 192a has a conical shape, but any shape may be used as long as it is a so-called tapered shape such as a truncated cone shape.
On the other hand, the locked body 29 is provided on the back surface of the rectifying plate 12 corresponding to the enlarged head 192a of the movable projection 19, and the enlarged head 192a is resisted against the resilience of the compression bullet b. An outwardly inclined portion 291 that pushes and moves is formed at the front portion thereof, and a space portion 292 that is larger than the enlarged head portion is provided at the center portion, and communicated with the space portion 292 on the upper side of the space portion 292. A receiving portion 293 of the shaft portion 192 is formed, and the space portion 292 and the receiving portion 293 form a so-called dharma hole.
[0029]
The hook portion 39 includes a locking hole 392 that detachably locks the hook piece 391 protruding from the lower edge of the current plate 12. The locking hole 392 opens in the condensed water guide plate 31. It is holed.
[0030]
Then, while hooking the hook piece 391 into the locking hole 392, the front of the locked body 29 from the state of FIG. The rectifying plate 12 is inserted from the front side of the hood 1 so that the enlarged head 192a of the movable projection 19 is contracted against the elastic force of the compression ammunition b by the outwardly inclined portion 291 of the same, and the space portion of the locked body 29 is inserted. With the enlarged head 192a positioned at 292, the rectifying plate 12 is pulled down to engage the shaft portion 192 with the receiving portion 293, and the rectifying plate 12 is attached in parallel with the support plate 21 (FIG. 14 (c) (d) (e) (f)).
Then, the current plate 12 is pulled up to slightly place the enlarged head 192a in the space 292, and then the enlarged head 192a is pushed with a finger so that the compression bullet b is contracted, and then the current plate 12 is pulled to the near side. The rectifying plate 12 can be removed when the filter 211 is cleaned, for example, by cleaning the filter 211 by releasing the lock with the tapered shape of the enlarged head 192a and extracting the hook piece 391 from the lock hole 392 (FIG. 15). ).
[0031]
Although not shown in the present embodiment, movable protrusions 19 or locked bodies 29 are provided at a plurality of positions on both half portions (corresponding to one half portion and the lower half portion) of the support plate 21, and the engagement with respect to the movable protrusions 19 is performed. The attachment means 9 of the rectifying plate 12 can be freely configured with a locking structure in which the stop body 29 can be engaged and disengaged.
In this case, the layout of the movable projection 19 and the locked body 29 is such that the movable projection 19 is provided on the support plate 21 corresponding to the upper and lower corners of the rectifying plate 12, while the rectifying plate 12 corresponds to the movable projection 19. It can be proposed as an example to provide the locked body 29.
[0032]
In the present embodiment, the curvature of the curled surface is φ90 mm.
[0033]
The range hood fan configured as described above causes a cooking odor (a rising air current including steam) F including steam generated by cooking to collide with the guide surface 121 of the rectifying plate 12 and guide it downward. When the guide surface 121 is further guided by the curled surface 122 curved in an arc shape continuously forward, a negative pressure action is generated, thereby generating a vortex Q (see FIGS. 1 to 4).
The indoor air taken in from the top plate 111 of the hood body 11 without disturbing the upward force of the upward airflow F in the vortex flow Q is used as the control flow E for increasing the vortex force, and the straight lines from the two control flow ejection portions 5, 5 Eddy current Q having a required force to quickly take in the upward airflow F by jetting along the straight inclined surface 37 of the curved cover 7 obliquely upward from below toward the tangential direction of the eddy current Q using the inclined surface 37 as a guide surface. Can be generated more stably (see FIGS. 2 to 4).
And even if it is under the restriction | limiting which should provide the control flow ejection parts 5 and 5 in the both sides avoiding the illumination 4 provided in the width direction center of the hood body 11 under the baffle plate 12, the control flow ejection When the portions on the illumination 4 side of the portions 5 and 5 are extended upward, they are provided so as to be inclined upward so as to intersect with each other (see FIGS. 6 and 7). Thus, the vortex flow Q is uniformly generated over the entire length in the width direction of the rectifying plate 12, and the collection efficiency and exhaust efficiency of the ascending airflow F can be improved (see FIG. 4).
This eddy current Q is shared from the left and right gaps S, S secured between the left and right side plates 112, 112 of the hood body 11 and the rectifying plate 12, sucked by the exhaust device 3 through the filter 211, and exhausted outdoors ( (See FIGS. 2 and 4).
As a result, the updraft F can be collected and exhausted with high efficiency without diffusing outside the hood body 11. Note that when there is a collision with the guide surface 121, there is also an updraft that is not guided downward, but is sucked from the gap S between the upper piece 212 of the support plate 21 and the upper edge of the rectifying plate 12.
[0034]
【Example】
A curled surface 122 having a diameter of 90 mm is continuously provided below the gently inclined guide surface 121 formed on the hood body 11 having a total width of 750 mm, a depth of 630 mm, and a total height of 450 mm. Curved in a forward arc shape, and the suction air speed from the gap S between the upper piece 211 of the support plate 21 and the upper edge of the rectifying plate 12 is 2 to 3 m / sec, and the left and right side plates 112 and 112 of the hood body 11 are rectified. The suction wind speed from the gap S between the left and right edges of the plate 12 is set to 0.5 to 2 m / sec, and the linear inclined surface 37 is sent from the control flow ejection sections 5 and 5 with an inclination angle (elevation angle) of 38 degrees. Control flow was ejected at 2-3 m / sec.
[0035]
According to this, although it is visually observed, the cooking odor (rising airflow) F including the rising steam is not sucked into the indoor air intake portion 28 and is not disturbed by the jetted control flow E. The air was drawn into the vortex Q generated over the entire width of the rectifying plate 12 and was collected and exhausted without leaking from the hood body 11.
[0036]
It should be noted that the wind speed of the control flow E from the control flow ejection sections 5 and 5, the suction wind speed from each gap S..., The angle (direction) of the linear inclined surface 37, and the illumination side portion of the control flow ejection sections 5 and 5. Are set in accordance with various conditions such as their mutual correlation and the size of the hood body, but in inverse proportion to the inclination angle (elevation angle) of the control flow ejection portions 5 and 5 being reduced. It is necessary to increase the wind speed of the control flow E.
However, it is needless to say that the wind speed of the control flow E is obtained by an experiment to obtain the required wind speed for stably generating the vortex Q of the required force without hindering the rise of the rising air flow with the jet pressure from the control flow ejection portions 5 and 5. .
[0037]
Needless to say, the range hood fan of the present invention can be equally used for cooking devices such as gas stoves and electric stoves.
[0038]
Next, another embodiment shown in FIG. 16 will be described. This embodiment shows a storage level confirmation method and apparatus for a waste liquid container in a range hood fan called a boot type.
[0039]
As shown in the figure, the range hood fan A has a hood body 11 that opens front and lower, a front plate 41 that covers the front opening portion so that the front opening portion can be opened and closed, and a lower open portion that can be engaged and disengaged. The waste liquid container 6 is detachably provided on the inclined surface of the support body located slightly below the filter 211 of the hood 1 including the deep-drawn filter support plate 51 that covers the waste liquid container. The lighting fixture 4a is installed at a lower level position than 6, and a part of the light from the lighting fixture 4a is taken into the waste liquid container 6.
[0040]
The light intake means includes a light leakage portion (light leakage hole) 241 formed in the housing portion 14 of the luminaire 4a, and light from the light leakage portion (light leakage hole) 241 in the waste liquid container 6. It is comprised from the light guide part 44 which consists of a reflecting plate which guides to this, and there is no difference from embodiment mentioned above.
[0041]
Of course, the disposal liquid container 6 is formed of a part or all of a translucent material, and is configured to be suspended when locked to the filter support plate 51 to recognize the liquid storage level from the room. The oil and fat overflowing from the filter 211 and the oil and fat collected in the casing 23 of the exhaust device 3 are received by dropping.
[0042]
Other types of range hood fans, such as flat type, will not be described in detail, but the window formed of a translucent material for confirming the liquid storage level from the room is discarded as in the previous embodiment. It is the same as adopting a configuration in which a part of the light from the lighting fixture is reflected and introduced into the waste liquid container provided at the front portion of the liquid container for disposal.
[0043]
【The invention's effect】
As described above, the present invention is a method and an apparatus in which a liquid container for disposal is configured so that the liquid storage level can be recognized from the room in use, and a part of light from a lighting fixture is taken in. Even in a waste liquid container installed in a hood in a relatively dark atmosphere, a part of light from a lighting fixture provided in a range hood fan is used effectively in an oil tray (disposal liquid container) or condensation. The liquid storage level in the water tray (disposal liquid container) can be clearly confirmed from the inside of the room to promote disposal and prevent contamination and fire due to overflow.
Moreover, lighting equipment is provided at a level equivalent to or lower than that of the waste liquid container, and a part of the light from the lighting equipment is taken in. Brighter and easier to see the cooking conditions, etc., and brightly illuminate the oil tray and the dew condensation water tray, the liquid storage level can be clearly confirmed from the room.
[Brief description of the drawings]
FIG. 1 is a partially cutaway side view of a range hood fan having a liquid level confirmation device for a waste liquid container according to an embodiment of the present invention.
FIG. 2 is a partially cutaway side view of a range hood fan.
FIG. 3 is a perspective view of the same range hood fan as viewed obliquely from below.
FIG. 4 is a front view of a range hood fan showing a relationship between an updraft, a generated vortex, and a control flow.
5 is a cross-sectional view taken along line (5)-(5) in FIG.
FIG. 6 is an enlarged perspective view of a box-shaped channel connected to a blower.
FIG. 7 is a cross-sectional view of the box-shaped channel in an enlarged front view.
FIG. 8 is an enlarged side view of the waste liquid container and the illumination part, and is shown in cross-section.
9 is an enlarged sectional view taken along line (9)-(9) of FIG.
FIG. 10 is an enlarged side view showing a state where the waste liquid container is removed, and is shown in a cross-sectional view.
FIG. 11 is a perspective view of a waste liquid container.
FIG. 12 is an enlarged side view showing a state in which a part of illumination light is taken in to illuminate the inside of the liquid container for disposal, and is shown in cross section.
FIG. 13 is an enlarged side view showing a state in which the current plate is locked to the hood, with a part omitted.
FIG. 14 is an enlarged view showing the relationship between the movable protrusion and the object to be locked. FIG. 14 (a) is a front view showing the state before the object to be locked is locked to the movable protrusion. Is shown in cross section. (B) is the same side view. (C) is a front view showing a state in which the outwardly inclined portion of the locked body pushes the enlarged head of the movable protrusion, and shows the locked body in cross section. (D) is a front view showing a state in which the locked body moves while pushing the enlarged head, and shows the locked body in cross section. (E) is a front view showing a state in which the enlarged head protrudes from the space, and shows a cross-section of the locked body. (F) is a side view showing a state where the shaft portion is locked to the receiving portion.
FIG. 15 is an enlarged front view showing a state in which the enlarged head is artificially pushed so as to contract the compression ammunition to release the locked body from the movable protrusion, and is partially cut away.
FIG. 16 is a side cross-sectional view of a range hood fan showing another embodiment.
[Explanation of symbols]
A: Range hood fan 1: Hood 11: Hood body 211: Filter 3: Exhaust device 2: Eddy current generator 112: Left and right side plates of the hood body S: Gap 121: Guide surface 122: Curled surface 5: Control flow ejection part 7 : Cover (curved cover)
F: Ascending airflow E: Control flow Q: Vortex 28: Intake section 18: Cooling section 8: Road 4: Lighting 6: Disposable liquid container 12: Rectifying plate 4a: Lighting fixture C: Magnet catch means 293: Receiving section 39: Hook 14: Storage 241: Light leakage 44: Light guide 19: Movable protrusion 192a: Enlarged head 29: Locked body b: Compression ammunition 192: Shaft 292: Space 291: Inclined outward 16 : Container drawer part 46: Front part

Claims (2)

A method for confirming the storage level of a waste liquid container (6) detachably provided in a hood (1) having a relatively dark atmosphere,
A window portion (56) formed of a translucent material for confirming the liquid storage level in the waste liquid container (6) from the room is provided in the front portion (46) of the waste liquid container (6). Provided,
Part of the light from the luminaire (4a) provided in the hood (1) at the same level as the waste liquid container (6) or at a lower level than the waste liquid container (6) the brightly illuminated the waste liquid container (6) in the taking it into the waste liquid container (6), the position reservoir so that it can be confirmed from the interior it through the window (56) A method for confirming the liquid level of a waste liquid container in a range hood fan, characterized in that: A storage liquid level confirmation device for a disposal liquid container (6) detachably provided inside a hood (1) having a relatively dark atmosphere,
A waste liquid container (6) provided in the front part (46) with a window part (56) formed of a translucent material for confirming the liquid storage level from the room;
Equal to the height level or hand a lower level than the waste liquid container (6) the hood (1) in the provided are lighting equipment (4a) and the waste liquid container (6),
Range hood, characterized in that a portion of the light, is constructed and a guide means preparative for taking by reflecting guided to the waste liquid container (6) in from the luminaire (4a) Device for checking liquid level of waste liquid container in fan.

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