CN1245595C

CN1245595C - Fume exhaust fan

Info

Publication number: CN1245595C
Application number: CNB021482241A
Authority: CN
Inventors: 德河金; 端山康之
Original assignee: Fuji Kogyo Co Ltd
Current assignee: Fuji Industrial Co Ltd; Fuji Kogyo Co Ltd
Priority date: 2001-09-21
Filing date: 2002-09-21
Publication date: 2006-03-15
Anticipated expiration: 2022-09-21
Also published as: CN1409050A; TW577967B; KR100496832B1; KR20030025880A

Abstract

The objective of this invention is to provide a range food capable of improving the ascending air current collection efficiency even when a cooker is an electromagnetic induction heating-type cooking heater. A clearance is secured between left and right side plate of a hood body accommodating a straightening vane, and an air discharging device is arranged at the back of the straightening vane for sucking the ascending air current from the clearance and discharging the same. The straightening vane is composed of a lower guide face including a part collided with the ascending air current, and a curled face curved in the shape of circular arc forwardly continuously from the guide face. A cover is provided with a blow-off part for blowing off the control current for reinforcing the eddy force, obliquely upwardly toward the tangent direction of the generated eddy current. The eddy current is generated by the negative pressure action obtained when the ascending air current downwardly guided by the guide face is guided by the curled face curved in the shape of circular arc, and the control current for reinforcing the eddy force acts on the eddy current, whereby the eddy current of the desired force is stably generated without disturbing the ascending of the ascending air current.

Description

Smoke exhaust ventilator

Technical field

The present invention relates to smoke exhaust ventilator, this smoke exhaust ventilator is suitable for makes gas burner, electric furnace and electromagnetic induction heating type cooking heater (IH heater-type heater).

Background technology

Past, smoke exhaust ventilator has the various forms that is called flat, ventilation bell-type etc., but, the following system of general formation, wherein exhaust apparatus is set behind at filter, the ascending air trapping space is set in filter the place ahead and ventilation between the cover body, is stoping ascending air in indoor, remove the contained lubricant component of ascending air and by exhaust apparatus exhaust outside the room by filter by this trapping space.

In addition, the smoke exhaust ventilator that also has the following type that forms like this, promptly in filter the place ahead, the panel that is called reversing plate is set between the top board of cover body of taking a breath, left side plate with interval, the ascending air that exhaust apparatus is led by reversing plate from this gap with higher wind attraction prevents that thus ascending air from arriving outside the ventilation cover body thoroughly.

But, general as heating appliance for cooking and universal be to be gas burner, the electric furnace of fuel with town gas, compressed petroleum gas etc., but at present, along with the increase in demand of electromagnetic induction heating type cooking heater (IH heater), the task of top priority provides the smoke exhaust ventilator that is used for the electromagnetic induction heating type cooking heater.

In addition, gas burner produces the stronger ascending air harmful substances such as carbon monoxide that also comprise carbon dioxide and perhaps have except that the steam from cooker etc. and that formed by burning gases.

Electric furnace the time can not produce in culinary art and resemble strong ascending air the gas burner.

On the other hand, the electromagnetic induction heating type cooking heater is used to prevent produce more weak ascending air (the culinary art peculiar smell that comprises steam) when culinary art.

Thus, particularly in above-mentioned electromagnetic induction heating type cooking heater, even adopt smoke exhaust ventilator in the past, since ascending air a little less than, so carry out aspect the exhaust undesirable at the ascending air of effectively capturing culinary art and being produced, make its problem of polluting the kitchen ceiling broadcast except capturing ascending air (the culinary art peculiar smell that comprises steam), because the ascending air temperature is lower, also exist the problem that steam is attached on take a breath cover body and the inner building block and pollutes the food in cooking container and the culinary art.

Summary of the invention

Formulated the present invention in view of the above fact, the purpose of this invention is to provide a kind of smoke exhaust ventilator, even heating appliance for cooking is the electromagnetic induction heating type cooking heater, this smoke exhaust ventilator still can improve the capture efficiency of ascending air.

Another object of the present invention provides a kind of smoke exhaust ventilator, wherein, ascending air is not inhaled into the indoor air that obtains that is used for towards the control stream of the eddy current ejection that generates for raising ascending air capture efficiency, and this smoke exhaust ventilator does not hinder the rising of ascending air.

Another purpose of the present invention provides a kind of smoke exhaust ventilator, and it is used as the exhaust stream that with the exhaust gear is the air-supply source effectively towards the control stream of the eddy current ejection that generates for raising ascending air capture efficiency.

According to the present invention, a kind of smoke exhaust ventilator is provided, it comprises: the ventilation cover body; Eddy current generates body, this eddy current generate body be arranged at ventilation cover body inside heating appliance for cooking the top and ascending air guided into the below and produces eddy current by wall attachment effect; Exhaust apparatus, this exhaust apparatus are arranged at outside the filter behind of above-mentioned ventilation cover body or the cover body of taking a breath and the eddy current that attracts to generate the body generation by above-mentioned eddy current carries out exhaust; Above-mentioned eddy current generates body and is provided with reversing plate, this reversing plate according to guarantee and the left side plate of the cover body of taking a breath between, and and top board between the mode in gap be arranged at the top of heating appliance for cooking, this reversing plate has the downward spigot surface that forms in the mode that comprises the ascending air impact site and links to each other with spigot surface and curve the curling face that circular arc ground forms forward.Thus, the ascending air of bump eddy current generation body is drawn towards the below and produces eddy current by wall attachment effect.Wall attachment effect refers to following fluid phenomenon, promptly at the ascending air that flows along wall when this wall is directed to, produce suction function, produce eddy current thus.By the energy of this eddy current, extremely weak ascending air is involved in wherein.

Therefore, even the heat cooking utensil is electromagnetic induction heating type cooking heater (an IH heater), it is external still not make weak ascending air be diffused into range hood, takes out fast closely and captures this ascending air ground and carry out exhaust, thereby improve capture efficiency.

In addition, in above-mentioned smoke exhaust ventilator, it also comprises control stream injection portion, this control stream injection portion is arranged on the below of described reversing plate and the eddy current that generates is sprayed the energy that ground strengthens this eddy current towards its tangential direction, described control is flowed injection portion by being equipped with described reversing plate in the place ahead of described ventilation cover body opened portion, and covering of the Lower Half of remaining this place ahead opened portion sealing is being formed with the opening that is the slit shape along the width of ventilation cover body at certain intervals so that along this lid towards the oblique upper jet airstream.Thus, stablely very effectively generate the eddy current of energy requirement to some extent and improve the ascending air capture efficiency.

In addition, in above-mentioned oil pumping fog machine,, be arranged on the position of the ascending air that not attracting on the top board of ventilation cover body produce with culinary art from the indoor air acquisition unit of obtaining the control stream that sprays from described control stream injection portion.In addition, the room air acquisition unit of best above-mentioned control stream injection portion is arranged on biside plate that above-mentioned ascending air do not face, the top board, and under the occasion in the kitchen that is provided with built-in wardrobe, it is arranged on the top board in both sides.Thus, below control stream injection portion to generating eddy effusion control stream, thereby stablely produce the eddy current of energy requirement to some extent and improve the ascending air capture efficiency.In addition, if the air obtain manner of control stream injection portion adopts by acquisition unit outside the room of tube connector, then do not attract ascending air, the raising of not only cloth pipe construction trouble, and construction cost has also upset controlled indoor temperature.So, adopt the indoor circulation mode.Only, just can siphon away ascending air and capture efficiency is reduced by the room air acquisition unit is set.For this reason, be used for being arranged at the part that above-mentioned ascending air is not faced from the room air acquisition unit of the control stream of control stream injection portion, ascending air is not sucked away in the mode as the air of control stream usefulness, thereby does not hinder the rising energy of ascending air.

Also have, in the above-mentioned smoke exhaust ventilator, described acquisition unit and control stream injection portion are communicated with by the path of the cooling end that the drive source that has on the way exhaust apparatus cools off, this path has with the backboard of ventilation cover body forms member as one, the air chamber that its top and bottom both sides open wide, with with coagulation guide plate that the open bottom end portion of this air chamber is communicated with under the space, in described air chamber, be provided with the latter half of of described drive source to become described cooling end, transversal ground, the following space horizontally set that is located at the reversing plate exhaust apparatus behind in the described ventilation cover body of described coagulation guide plate, this coagulation guide plate interrelates with the lower end of the support plate of supporting reversing plate, can receive attached to the coagulation on the support plate.Thus, effectively utilize room air that the drive source of exhaust apparatus is cooled off.

In addition, in above-mentioned smoke pumping, above-mentioned control stream injection portion be arranged on the illumination part about, this illumination part is arranged on the middle place of the ventilation cover body width of reversing plate below, the illumination side part of two control stream injection portions sees from the front being and upwards prolongs the shape that is inclined upwardly that intersects, and generates the eddy current that body produces thereby can produce equably by eddy current in eddy current generates the whole width range of body.In smoke exhaust ventilator,, the illumination part is set in width central authorities in order to watch culinary art situation etc.Under the occasion of the middle part that is arranged at the ventilation cover body, if be located at the top board side of ventilation cover body, the part that then throws light on is blocked in the gap between reversing plate and the top board, thereby can't expect good exhaust result.For this reason, the illumination part is arranged at the central authorities of the ventilation cover body width of reversing plate below, control stream injection portion be built in be clamped in this illumination part about.As a result, when in control stream front view, upwards spraying, can't stably be created in the eddy current in the illumination part area just above.For this reason, adopt to control and flow the scheme that also acts on illumination part area just above, control stream is acted in the gamut of eddy current generation body width equably, in the whole width of eddy current generation body, stably produce the eddy current of energy requirement to some extent.

According to the present invention, a kind of smoke exhaust ventilator also is provided, it is characterized in that, close the bottom of the place ahead opened portion of seeing rectangular basically leg-of-mutton ventilation cover body from the side by cap seal, on its top, and the ventilation cover body left side plate between reversing plate is set with a gap, behind at this reversing plate is provided with filter, behind or the external exhaust apparatus that is provided with of range hood at this filter, this reversing plate forms has the shape of downward spigot surface and curling face, wherein form this spigot surface in the mode that comprises the ascending air impact site, and link to each other with this spigot surface and curve forward and form this curling face circular-arcly, in the described control stream injection portion that is provided with that covers, this control stream injection portion up sprays along the tangential direction setting that generates eddy current and from declivity and is used to strengthen eddy current control of energy stream, the acquisition unit of the room air of the control stream usefulness of spraying from this control stream injection portion is arranged on the position that does not attract this ascending air on the top cover of range hood, described control is flowed injection portion by being equipped with described reversing plate in the place ahead of described ventilation cover body opened portion, and covering of the Lower Half of remaining this place ahead opened portion sealing is being formed with the opening that is the slit shape along the width of ventilation cover body at certain intervals so that along this lid towards the oblique upper jet airstream.

According to the present invention, a kind of smoke exhaust ventilator also is provided, it is characterized in that, close the bottom of the place ahead opened portion of seeing rectangular basically leg-of-mutton ventilation cover body from the side by cap seal, on its top, and the ventilation cover body left side plate between reversing plate is set with a gap, behind at this reversing plate is provided with filter, behind or the external exhaust apparatus that is provided with of range hood at this filter, this reversing plate forms has the shape of downward spigot surface and curling face, wherein form this spigot surface in the mode that comprises the ascending air impact site, and link to each other with this spigot surface and curve forward and form this curling face circular-arcly, in the described control stream injection portion that is provided with that covers, this control stream injection portion up sprays along the tangential direction setting that generates eddy current and from declivity and is used to strengthen eddy current control of energy stream, described control is flowed injection portion by being equipped with described reversing plate in the place ahead of described ventilation cover body opened portion, and covering of the Lower Half of remaining this place ahead opened portion sealing is being formed with the opening that is the slit shape along the width of ventilation cover body at certain intervals so that along this lid towards the oblique upper jet airstream.Described exhaust apparatus is as the air-supply source, and described exhaust stream is as described control stream.

Have, in above-mentioned smoke pumping, it is the exhaust stream in air-supply source that control stream also can adopt with the exhaust apparatus again.Thus, need not to be used to supply the air-supply source of control stream at all.

In addition, for exhaust stream effectively as control stream, best above-mentioned control stream is supplied with after by the mechanism that eliminates the unusual smell.As the mechanism that eliminates the unusual smell, according to the heating appliance for cooking classification, use following suitable mechanism selectively, the gas componant that removal produces from gas burner, electric furnace, electromagnetic induction heating type cooking heater is respectively adsorbed, removes, decomposed in this mechanism effectively.In addition, the mechanism that eliminates the unusual smell is removable, or can load and unload cleaning.

In addition, can irrespectively carry out regulation control with the capacity of exhaust apparatus to control stream wind speed.As mentioned above, for the downward guiding of stable acquisition ascending air, by the eddy current that wall attachment effect generates, preferably utilize the control stream under the regulation wind speed to assist.If the capacity of exhaust apparatus reduces, then the injection wind speed of control stream itself reduces, thereby can't stably generate the required control stream supply of eddy current.Otherwise if the capacity of exhaust apparatus increases, then the injection wind speed of control stream increases, and makes air-flow be diffused into the range hood side thereby hinder ascending air with rising, thereby hinders the stable generation of eddy current.For this reason, with the capacity of exhaust apparatus (" by force ", " in ", the switching of " weak ") irrelevant, do not dispel ascending air, and in the course of the work, supply with the control stream that generates under the required predetermined wind speed of eddy current stable at ordinary times.

In addition, the wind speed (scheme 14,15) in the scope of 2m/sec～3m/sec of best above-mentioned control stream.If less than 2m/sec, then stably generate the eddy current that produces by wall attachment effect a little less than, as surpassing 3m/sec, then produce the turbulent flow that hinders swirl stabilization to produce.

Description of drawings

Fig. 1 is the side view of the simplified structure of the user mode of the smoke exhaust ventilator of representing the 1st embodiment in the mode removed of a part wherein;

Fig. 2 is for representing the enlarged side view of above-mentioned smoke exhaust ventilator in the mode removed of a part wherein;

The perspective view of Fig. 3 for seeing from the oblique below of above-mentioned smoke exhaust ventilator;

Fig. 4 is the front view of the smoke exhaust ventilator of the relation between expression ascending air, generation eddy current, the control stream;

Fig. 5 is for representing the enlarged side view of the smoke exhaust ventilator of the 2nd embodiment in the mode removed of a part wherein;

The perspective view of Fig. 6 for seeing from the oblique below of above-mentioned smoke exhaust ventilator;

Fig. 7 is the front view of the smoke exhaust ventilator of the relation between expression ascending air, generation eddy current, the control stream;

Fig. 8 is the cutaway view along (8) among Fig. 5-(8) line;

Fig. 9 is the enlarged perspective of the box-shaped stream that is connected with hair-dryer;

Figure 10 is the cutaway view along (10) among Fig. 9-(10) line;

Figure 11 is for representing discarded side view with liquid container, illumination section with amplification, section mode;

Figure 12 is the cutaway view along (12) among Figure 11-(12) line;

Figure 13 is for representing to discard the side view of the state that takes off with liquid container with amplification, section mode;

Figure 14 is discarded perspective view with liquid container;

Figure 15 is for representing that with amplification, section mode the part obtains the light of illumination, to discarding the side view of the state that throws light on liquid container inside;

Figure 16 for local abridged mode represent reversing plate and range hood engagement state enlarged side view;

Figure 17 A is the enlarged drawing of the relation between expression movable projection, the to-be-connected body, and this figure is the front view of the state before the expression to-be-connected body engages with movable projection, and this figure represents to-be-connected body by section;

Figure 17 B is the side view of Figure 17 A;

Figure 17 C represents that the export-oriented rake of to-be-connected body presses the front view of state of the enlarged head of movable projection, and this figure represents to-be-connected body by section;

Figure 17 D be illustrated in when pressing above-mentioned enlarged head, the front view of state that to-be-connected body moves, this figure represents to-be-connected body by section;

Figure 17 E is the front view of expression enlarged head from the outstanding state of spatial portion, and this figure represents to-be-connected body by section;

Figure 17 F is the side view of the state that engages with support of axial region;

The mode that Figure 18 removes with the part is represented the amplification front elevation of following state, presses enlarged head artificially so that elasticity of compression mechanism is shunk under this state, and removes the amplification front elevation of to-be-connected body and the state that engages of movable projection;

Figure 19 represents the smoke exhaust ventilator of the 3rd embodiment for the mode of removing with the part.

The specific embodiment

Below, the embodiment of smoke exhaust ventilator of the present invention is described, Fig. 1～Fig. 4 represent with electromagnetic induction heating type cooking heater (IH heater) as heating appliance for cooking the 1st embodiment, Fig. 5～18 expressions the 2nd embodiment, Figure 19 represents the 3rd embodiment.

This smoke exhaust ventilator A comprises as shown in Figure 2: ventilation cover body a1; Eddy current generates body a2, and this eddy current generates body a2 and is arranged at ventilation cover body a1 inside; Filter a3, this filter a3 are arranged at the behind that this eddy current generates body a2; Exhaust apparatus a4, this exhaust apparatus a4 is arranged in the space, behind of this filter a3.

Shown in Fig. 2, Fig. 3 etc., above-mentioned ventilation cover body a1 is formed by top board a1a, left side plate a1b, a1b, backboard a1c, sees its rectangular triangle from the side, and the place ahead suitable with the inclined-plane opened wide.

Eddy current generates body a2 for be called " reversing plate " panel of (representing with symbol a2) in the present embodiment in the description of back, as shown in Fig. 2, Fig. 3 etc., it be arranged on by the Lower Half sealing of the place ahead opened portion among the cover body a1 that will take a breath by lid a5 the remaining first half partly on.

In addition, this reversing plate a2 resembles the inside that is arranged at ventilation cover body a1 shown in Figure 2 with packing up, it comprises downward spigot surface a2a and the face a2b that curls forms, comprise that the position that vapoury culinary art peculiar smell (ascending air) B just collides forms this spigot surface a2a interiorly in whole width range, this curling face a2b link to each other with spigot surface a2a in the downstream of spigot surface a2a and in whole width range to antecurvature in the arc-shaped.

Specifically, this curling face a2b becomes to make bottom than more forward circular-arc of the pars intermedia of the most close backboard a1c side.

In addition, above-mentioned reversing plate a2 is supported on the more support plate a3a by the inboard filter a3 that extends that is located in the ventilation cover body a1 as shown in Figure 2.

This support plate a3a resembles and is recess shown in Figure 2, it is bent downwardly the bottom of the installed surface a1d that the operating portion of formation uses and the top of above-mentioned lid a5 is provided with along the leading edge from the top board a1a of ventilation cover body a1, above-mentioned reversing plate a2 is received in inside, but and filter a3 is arranged at the bottom of the behind of this reversing plate a2 in the mode of bond-off.

Also have, the left and right sides edge of this support plate a3a is the left side plate a1b with ventilation cover body a1, the shape of the inner face contact of a1b.

Above-mentioned reversing plate a2 is as shown in Figure 2, to be received in the place ahead that mode in the ventilation cover body a1 is arranged at filter a3, so that between a sidepiece a3a-1 of the top side of apical margin and above-mentioned support plate a3a and the left side plate a1b of left and right sides edge and ventilation cover body a1, form the gap S that attracts usefulness between the a1b.

In addition, reversing plate a2 goes up and bottom part is installed on the bottom part of this support plate a3a partly being supported on support plate a3a near the top by suitable mode.

In the admittance of the space, behind of above-mentioned support plate a3a exhaust apparatus a4 is arranged, this exhaust apparatus a4 is formed by the sirocco fan of exhaust outside the room, between this exhaust apparatus a4 and above-mentioned lid a5, broad ways is formed with interval admits

chamber

4a, 4a, and this

admittances chamber

4a, 4a admit and above-mentioned lid a5 faces and the hair-

dryer

4,4 that formed by small-sized sirocco fan.

Also have, on the part of the lid a5 that forms this surface element of admitting chamber 4a, opening be provided with the control

stream injection portion

21,21 that is received in inner small-sized hair-dryer 4,4 (with reference to Fig. 2, Fig. 3, Fig. 4).

Above-mentioned control stream injection portion 21 is as shown in Figure 3, is slit shape opening in the top side of above-mentioned lid a5 at certain intervals along the width of ventilation cover body a1, so that along covering a5 towards the oblique upper jet airstream.In the present embodiment, after the top side of above-mentioned lid a5 is slit shape opening, be out of shape obliquely towards the inboard of admitting chamber 4a, make it form opening by the lid a5 part that makes this opening apical margin side, thereby along covering a5 towards the oblique upper jet airstream.Thus, the air stream that flows injection portion 21 from this control is formed on the control stream F that the eddy current energy that will describe the back strengthens usefulness, and this control stream F sprays towards oblique upper towards the tangential direction of eddy current Q.

In the present embodiment, the curvature of above-mentioned curling face a2b is φ 90mm, and the lowermost end edge of this curling face a2b is φ 10mm with the curvature that is connected of the root edge of support plate a3a.

The shape that above-mentioned spigot surface a2a adopts basic horizontal shape, gently sloping surface shape, broad warp shape etc. to lead is downwards arranged again.

Resembling the smoke exhaust ventilator that forms above-mentioned makes culinary art peculiar smell (ascending air) B that comprises the steam of following culinary art and producing meet the spigot surface a2a of reversing plate a2, it is led towards the below, by link to each other with spigot surface a2a and when curving circular-arc curling face a2b forward and further leading, produce suction function, generate eddy current Q thus.

From a side opposite with ascending air B, control stream injection portion 21 is ejected into eddy current Q being used for strengthening eddy current control of energy stream F obliquely along the top of lid a5 and towards the tangential direction of eddy current Q, thus, the eddy current Q that can more stably produce the institute's energy requirement that obtains ascending air B fast is (with reference to Fig. 2, Fig. 3, Fig. 4).

Above-mentioned eddy current Q is by the gap S about guaranteeing between left side plate a1b, the a1b of ventilation cover body a1 and the reversing plate a2, and S shares, and passes through filter a3 and takes away and be discharged to outside the room (with reference to Fig. 3, Fig. 4) by exhaust apparatus a4.

Thus, can under situation about not diffusing into outside the ventilation cover body a1, efficiently capture ascending air B ground exhaust.In addition, when colliding with above-mentioned spigot surface a2a, also have the ascending air B of guiding below, still, it is sucked away from the gap S between the apical margin of support plate a3a top side one sidepiece a3a-1 and reversing plate a2.

Embodiment

At whole width is 750mm, depth is 630mm, whole height is among the ventilation cover body a1 of 450mm, be formed as described above with the downstream of the gently sloping surface shape spigot surface a1a that comprises the part formation that ascending air B just collides and link to each other and the preceding curling face a1b that forms φ 90mm that curves circular-arcly, in addition, attraction wind speed from the gap S between the apical margin of the top side one sidepiece a3a-1 of above-mentioned support plate a3a and reversing plate a2 is set at 2m/sec～3m/sec, left side plate a1b from ventilation cover body a1, the attraction wind speed of gap S between the left and right sides edge of a1b and reversing plate a2 is set in 0.5m/sec～2m/sec, and the regulation wind speed that control stream injection portion 21 presses 2m/sec～3m/sec respectively with 38 degree angles of inclination (elevation angle) sprays control stream F.

So, can see that culinary art peculiar smell (ascending air) B that comprises steam is pumped to and generates near the eddy current Q place and be involved among the eddy current Q, and the cover body a1 that takes a breath captures it air tightly and carries out exhaust.

Below, Fig. 5～the 2nd embodiment shown in Figure 180 is described, this smoke exhaust ventilator resemble Fig. 5 shown in waiting comprise: ventilation cover body a1; The eddy current that is arranged at the inside of ventilation cover body a1 generates body a2; Be arranged at filter a3 and its support plate a3a of the behind of this eddy current generation body a2; Be horizontally set at the coagulation guide plate a6 at the next absolute altitude place of support plate a3a; Be arranged at the exhaust apparatus a4 in the space, behind of filter a3; Be arranged at the illumination part 1 of the below of above-mentioned eddy current generation body a2; Control

stream injection portion

21,21, this control

stream injection portion

21,21 be built in illumination part 1 about and make the eddy current energy enhancing that is generated; The discarded liquid container 2 etc. of using, this is discarded with liquid container 2 and is arranged between two control

stream injection portions

21,21.

Because it is identical with above-mentioned the 1st embodiment that ventilation cover body a1, eddy current generate the structure of body (reversing plate) a2, the employing prosign also omits the specific descriptions to it.

In addition, as shown in Figure 5, the first half of reversing plate a2 (one of them half one) side releasably is supported on the support plate a3a that is located at the position of more leaning on the lining extension in the ventilation cover body a1, and Lower Half (second half one) side bearing is on coagulation guide plate a6.

As shown in Figure 5, it is the flat V-arrangement shape of lowermost end that above-mentioned coagulation guide plate a6 is with the depth direction middle part, its left and right sides end bearing is in the left side plate a1b of ventilation cover body a1, and on the a1b, it is according to the mode horizontally set of the following side space of transversal exhaust apparatus a4, the rear end is supported in the open bottom end portion of the cooling end 13 that will describe the back, on pointed nose as the lowermost end position, opening be provided with coagulative down discharge orifice a6a (with reference to Figure 11, Figure 12, Figure 13, Figure 15).

As shown in Figure 5, above-mentioned support plate a3a is recess, it is bent downwardly installed surface a1d that the operating portion that forms uses and partly is provided with at the first half of side after a while of the reversing plate a2 at coagulation guide plate a6 place along the leading edge at the top board a1a of ventilation cover body a1, and filter a3 releasably is arranged on the bottom of reversing plate a2 behind.

As Fig. 5, shown in Figure 6, reversing plate a2 holds the place ahead that is arranged on filter a3, so that between the one sidepiece a3a-1 of the top side of apical margin and above-mentioned support plate a3a, reach the left side plate a1b of left and right edges and ventilation cover body a1, form air-breathing gap S, S between the a1b, this reversing plate a2 releasably is supported on the support plate a3a by installing mechanism.

In the space, behind that forms by above-mentioned support plate a3a and coagulation guide plate a6, as shown in Figure 5, accommodate exhaust apparatus a4, this exhaust apparatus a4 is connected and exhaust outside the room with discharge filter D, it is formed by sirocco fan, following side space at above-mentioned coagulation guide plate a6, as Fig. 6's～shown in Figure 8, hair-

dryer

4,4 be built up in the illumination part 1 about, hair-

dryer

4,4 cover a5 with bending faces and is formed by small-sized sirocco fan, with two hair-dryers 4, the 4 control stream injection portions 21 that are communicated with, 21 are arranged at two hair-dryers 4 according to clamping, discarded mode with liquid container (coagulation dish) 2 directly over the illumination part 1 between 4, whole length range along its length is arranged on the bending lid a5 part of above-mentioned both sides basically.

In addition, in the 2nd embodiment, on the part that the ascending air that culinary art is produced is not faced, promptly take a breath on the rear end part of top board a1a part of cover body a1, opening is provided with above-mentioned room air acquisition unit 5 shown in Fig. 5,8, this acquisition unit 5 and above-mentioned control

stream injection portion

21,21 are communicated with by following path 3, and this path 3 has on the way the cooling end 13 that the drive source to exhaust apparatus a4 cools off.

Above-mentioned path 3 is formed by space 3b under air chamber 3a and the coagulation guide plate, this air chamber 3a will take a breath the backboard a1c of cover body a1 as a building block, its top, the two opens wide the bottom, space 3b is communicated with the open bottom end portion of above-mentioned air chamber 3a under this coagulation guide plate, under this coagulation guide plate, be provided with hair-dryer 4 as described above among the 3b of space, 4, and be provided with the latter half of of drive source (motor) a4a in the inside of above-mentioned air chamber 3a, form cooling end 13, the room air of acquisition unit 5 suctions of top board a1a of being located at ventilation cover body a1 from opening is when drive source (motor) a4a to exhaust apparatus a4a cools off, by space 3b under the coagulation guide plate, through 2 hair-dryers 4, the path of 4 suctions is from control

stream injection portion

21,21 towards indoor injection (with reference to Fig. 7～Figure 10).

Above-mentioned control is flowed

injection portion

21,21 and is formed by box-shaped path 211,211 and spray-hole 212, and box-shaped path 211,211 is communicated with the outlet of above-mentioned 2 hair-

dryers

4,4 respectively, and spray-hole 212 openings are located on the crooked lid a5.

Above-mentioned box-shaped path 211,211 resemble respectively and are casing shown in Figure 8, it is formed and inner hollow by horizontal longer body, the spatial portion of the both sides of the chest of the illumination part 1 that its width is middle than clamping width is narrow slightly, as shown in Figure 5, at pars intermedia along whole length direction horizontally set balk board 211a, be standing shape in the exit of this casing along the scope of whole width nozzle 211b is set, 212 groups of the spray-holes of establishing from the opening of turning up the soil at interval at flat section face a5a in the face of the bending lid a5 part of the outlet of nozzle 211b, the tangential direction of the eddy current Q that will describe along the back is up sprayed control stream F from declivity.

Crooked lid a5 is as shown in Figure 5, in the upper part of above-mentioned flat section face a5a, formed by the straight line inclined plane towards the tangential direction of eddy current Q.

In addition, the nozzle 211b of this case shape path 211 is according to seeing that from the front acclivitous mode is provided with, so that (specifically in the illumination side part, left and right sides both sides' half part) intersects when extending towards the top, resemble Fig. 9, shown in 10 like that, in this illumination side part (specifically, half part left and right sides both sides) inside, according to seeing that from the front being skewed mode setting upwards has along the waveform spare 211c of the length of whole altitude range, spray control stream F eddy current Q is produced equably along the scope of the whole width of this reversing plate a2, thereby the ascending air B that will rise on the place ahead of illumination part 1 really is sent to the pars intermedia of reversing plate a2 well.

Illumination part 1 holds between the pair of right and left hair-

dryer

4,4 among the following side space 3b that is arranged on above-mentioned coagulation guide plate, shown in Figure 11, Figure 12, Figure 15 etc. like that, admitted ligthing paraphernalia 31 in receptacle 11 inside that form by polylith reflecting plate 111 in mode removably, but and by the irradiation plate 41 cover the place ahead opened portion of the receptacle 11 of covering the a5 opening in the mode of bond-off, thereby throw light on downwards.

In addition, directly over this illumination part 1, as shown in Figure 11, Figure 12, Figure 15 etc., opening is provided with an extraction mouthful a5b at lid a5 place, have this extraction mouthful a5b at front end, guarantee under above-mentioned coagulation guide plate, to be provided with in the container extraction unit 51 among the side space 3b container support 61 of guide rail shape, will be supported on the container extraction unit 51 as discarded coagulation dish in the mode that can pass in and out with liquid container 2 by this container support 61.

Discarded at this with in the liquid container 2, edge among the lid 5a is in basically with the front portion 12 on the one side and is provided with transparent window portion 22, and this container 2 is received in the container extraction unit 51 by following electromagnetic brake mechanism 6, this mechanism 6 is according to the degree of pushing this discarded front portion 12 with liquid container 2, alternately keep repeatedly the above-mentioned discarded state that is received in container extraction unit 51 with liquid container 2 with from of the action of this part towards indoor extrusion.

In addition, above-mentionedly discardedly compile the support plate a3a that is attached to supporting reversing plate a2, filter a3 with liquid container 2 by coagulation guide plate a6 and go up the coagulation that flows down, and receive and wander the coagulation of hole a6a under wandering from this coagulation guide plate a6.

Also have, above-mentioned illumination part 1 forms like this, promptly as shown in Figure 15, be provided with hole 111a at the top side of above-mentioned receptacle 11 reflecting plate 111 split sheds as the transmittance section, by light guide part 71, will be sent to the discarded inside that is in the state that is received in the container extraction unit 51 from this hole saturating light of 111a with liquid container 2.

This light guide part 71 is formed by one～polylith reflecting plate in the present embodiment.In addition, by light guide part 71, the mechanism that obtains that is formed at the transmittance section 111a in the receptacle 11 of ligthing paraphernalia and can the drawer mode makes discarded container extraction unit 51 formation light with liquid container 2 turnover, will be from be sent to discarded liquid container 2 inside of using as the saturating light in the hole of transmittance section 111a as the coagulation dish, thereby can make this container 2 inner bright, can clearly confirm storage liquid level (with reference to Figure 15) from window portion 22.

The installing mechanism 7 of reversing plate a 2 is as Figure 16's～shown in Figure 180, a plurality of positions at the first half (being equivalent to part half) of above-mentioned support plate a3a are provided with movable projection 17, be provided with the joint 27 that engages movable projection 17 with interleaved mode at the back side of reversing plate a2, but engage with coagulation guide plate a6 with the mode of bond-off Lower Half (being equivalent to second half one) reversing plate a2 by hook portion 37.

Movable projection 17 is provided with corresponding to the bight, top side of reversing plate a2 specifically corresponding to half part of reversing plate a2.

This movable projection 17 forms like this, and the spring receptacle 173 of admitting elasticity of compression mechanism 172 promptly is installed on the supporting leg of being located on the support plate a3a 171, and by this elasticity of compression mechanism 172, supporting has the axial region 174 of the enlarged head 174a of point of front end.

In the 2nd embodiment, it is coniform that enlarged head 174a is, if but be the sharp shape of so-called front end of circular cone shape etc., then can be shape arbitrarily.

On the other hand, to-be-connected body 27 is arranged at the back side of reversing plate a2 corresponding to the enlarged head 174a of above-mentioned movable projection 17, forwardly be formed with export-oriented rake 271, the elastic force of these extroversion rake 271 opposing elasticity of compression mechanisms 172, press above-mentioned enlarged head 174a, be provided with spatial portion 272 at pars intermedia greater than this enlarged head 174a, upper side at this spatial portion 272, be formed with the support 272a of axial region 174 according to the mode that is communicated with this spatial portion 272, form so-called circular port with support 272a by this spatial portion 272.

In addition, hook portion 37 is formed by hook sheet portion 371 and conjugate foramen 372 as shown in Figure 16, and this hook sheet portion 371 is outstanding from the root edge of reversing plate a2, but this conjugate foramen 372 engages above-mentioned hook sheet portion 371 in the mode of bond-off, and above-mentioned conjugate foramen 372 openings are located among the above-mentioned coagulation guide plate a6.

In addition, when conjugate foramen 372 is hooked in hook sheet portion 371, from make corresponding about 2 pairs to-be-connected body 27, Figure 17 A of movable projection 371, the state of Figure 17 B, the export-oriented rake 271 of the front portion by to-be-connected body 27 makes the mode of the enlarged head 174a withdrawal of movable projection 17 according to the elastic force of opposing elasticity of compression mechanism 172, insert reversing plate a2 from the front side of ventilation cover body a1, make enlarged head 174a be positioned at the spatial portion 272 of above-mentioned to-be-connected body 27, under this state, a2 is drop-down towards the below with reversing plate, axial region 174 is engaged with support 272a, according to the mode parallel, above-mentioned reversing plate a2 (Figure 17 C, Figure 17 D are installed with support plate a3a, Figure 17 E, Figure 17 F).

Then, reversing plate a2 is carried on slightly, enlarged head 174a is positioned in the spatial portion 272, then according to the mode of elasticity of compression mechanism 172 compression, press enlarged head 174a by finger, under this state, with reversing plate a2 towards moving near oneself layback, thus, remove joint by the style characteristic that the front end of enlarged head 174a is pointed, extract hook sheet portions 371 out from conjugate foramen 372, like this, under situation that can be when the scavenge filter a3 etc., pull down reversing plate a2 (Figure 18).

In above-mentioned the 2nd embodiment, though do not illustrate in the drawings, also can movable projection 17 or to-be-connected body 27 be set at a plurality of positions of two half parts of above-mentioned support plate a3a (be equivalent to half part, Lower Half), can realize the scheme that engages of bond-off by to-be-connected body 27 and this movable projection 17, form the installing mechanism 7 of reversing plate a2.

One of them example of the layout of movable projection 17 under this situation, to-be-connected body 27 can be provided, wherein, two bights up and down corresponding to reversing plate a2 are arranged at above-mentioned movable projection 17 on the support plate a3a, corresponding to this movable projection 17 to-be-connected body 27 are arranged on the reversing plate a2.

In resembling the smoke exhaust ventilator that forms above-mentioned, identical with aforesaid the 1st embodiment, make the spigot surface a2a collision of culinary art peculiar smell (ascending air that the comprises steam) B that comprises the steam that produces with culinary art and reversing plate a2, guiding is downwards also further led by link to each other with this spigot surface a2a and curve the curling face a2b that forms forward circular-arcly, at this moment, produce suction function, form eddy current Q thus, in eddy current Q, spray into described room air is used to strengthen eddy current control of energy stream F, described room air is to obtain from the top board a1a of ventilation cover body a1 under the situation of the rising energy that does not hinder ascending air B, and the air injection is by two control

stream injection portions

21,21 are spigot surface with the straight slope and up carry out along the linearity inclined plane of lid a5 towards eddy current Q tangential direction from declivity, thus, can more stably produce the eddy current Q of the institute's energy requirement that obtains ascending air B fast (with reference to Fig. 5～Fig. 7).

Culinary art peculiar smell (ascending air) B of the place of testing under the condition identical with aforesaid embodiment, the steam that comprises rising can't help the acquisition unit 5 of room air and attracts, can do not hindered because of the control stream F that sprays yet, and be drawn onto along eddy current Q vicinity that the whole width of reversing plate a2 produces and be involved in wherein, from ventilation cover body a1, under the saturating situation it is not being captured, by about the gap share and be attracted.

Below the 3rd embodiment shown in Figure 19 is described, present embodiment is following example, wherein with exhaust apparatus as the air-supply source, with its exhaust stream as above-mentioned control stream.

The feed mechanism of above-mentioned control stream is formed by exhaust apparatus a4, the current divider box 8 that is communicated with this exhaust apparatus a4 and control stream 9.

In above-mentioned control stream 9, with the backboard a1c of ventilation cover body a1 as a building block, open bottom end portion in top, the two air chamber 19 that opens wide of bottom is communicated with the latter half of inside that is arranged at this air chamber 19 of the drive source a4a of exhaust apparatus a4 with side space 3b under the above-mentioned coagulation guide plate.

The top opened portion of this control stream 9 is opened wide by the top board a1a of ventilation cover body a1, is communicated with the current divider box 8 that the back will be described.

Above-mentioned current divider box 8 is the casing of inner hollow, the casing of this hollow is arranged on the top board a1a of ventilation cover body a1, its exhaust outlet with exhaust apparatus (sirocco fan) a4 is communicated with, form inlet, in part from close back wall portion 18, according to the mode parallel with this back wall portion 18, vertically set up the wall part 38 of the desired height that does not extend to top wall portion 28 places, between this wall part 38 and back wall portion 18, form the connecting path 48 that leads to above-mentioned control stream 9, this wall part 38 is separated above-mentioned inlet, vertically set up down the wall portion 58 of L shaped shape with the height identical with wall part 38, admit the mechanism 100 that eliminates the unusual smell between this wall portion 58 and the wall part 38, on the curtain plate 68 of the front wall portion that forms above-mentioned separator box 8, in scope, be provided with grid 78 in the face of the inner space of the horizontal part of wall portion 58.

In addition, in above-mentioned current divider box 8, rotatably be provided with electrodynamic type parallel regulator 88, it is used under the situation that the capacity with exhaust apparatus a4 has nothing to do, and the wind speed that control is flowed F carries out regulation control.

This electrodynamic type parallel regulator 88 forms like this, promptly as shown in Figure 19, top side in the back wall portion 18 of current divider box 8 is provided with motor 881, the anglec of rotation by 881 pairs of control agents 882 of this motor is controlled, change the approaching amount on above-mentioned wall part 38 relative tops, adjust the shunting opening degree of connecting path 48, it is connected with change-over switch with the drive source a4a of exhaust apparatus a4 by control part, automatically corresponding to this " by force ", " in ", the CRANK PULSES of " weak " and moving, thereby automatically adjust the shunting aperture at control agent 882 places, so that with exhaust apparatus a4 in " by force ", " in ", under the situation that each capacity of " weak " has nothing to do, injection portion 21 is flowed in above-mentioned control, 21 spray control with regulation wind speed (describing by the experiment embodiment that the back will be described) flows.

Obviously, in according to the changeable exhaust apparatus of stepless gearing method revolution, automatically adjust the shunting aperture of control agent by control part, so as with the irrelevant situation of capacity under, spray control stream with the wind speed of regulation from control stream injection portion.

In other scheme, because except the hair-dryer that do not adopt control stream to press to transmit usefulness, box-shaped stream, other aspect is identical with the 2nd embodiment, so employing prosign and omit specific descriptions.

In addition, adopt following proposal, wherein be provided with illumination part 1, discarded with in the space of liquid container 2, the partition wall 29,29 of separating illumination part 1, discarded both sides with liquid container 2 extends to the top of controlling stream 9, so that do not supply with the control stream that forms by this exhaust stream, and, only supply with control stream to illumination part 1, discarded both sides with liquid container 2 with this top opened portion sealing.

In addition, in control stream injection portion 21, in 21, two side portions at illumination part 1, spaced apart width wise ground along ventilation cover body 1 is slit shape formation opening, so that top side at bending lid a5, cover a5 towards the oblique upper jet airstream along this, towards above prolong illumination part 1 side part (specifically, half part for left and right sides both sides) time, see from the front according to towards the oblique upper opening, so that realize intersecting, the ascending air that will rise on illumination part 1 the place ahead is sent to the pars intermedia of reversing plate a2 well reliably, thereby produces eddy current equably along the whole width range of whole reversing plate a2.

In resembling the smoke exhaust ventilator that forms above-mentioned, make the spigot surface a2a collision of the culinary art peculiar smell (ascending air that comprises steam) that comprises the steam of following culinary art and producing and reversing plate a2, guiding downwards, further guide it by link to each other with spigot surface a2a and curve the curling face a2b that forms forward circular-arcly, produce suction function this moment, form eddy current Q thus, following exhaust stream is sprayed into eddy current Q as the control stream F that the eddy current energy strengthens usefulness, this exhaust stream is that the drive source a4a with exhaust apparatus a4 is the exhaust stream in air-supply source under the situation of the rising energy that does not hinder ascending air B, this exhaust stream is from control stream injection portion 21, up from bending lid a5, spray from declivity towards the tangential direction of eddy current Q ground in 21, can more stably produce thus obtain fast ascending air B's and the eddy current of energy requirement to some extent.

Then, the exhaust stream as control stream is not identical with control stream F, after through the mechanism 100 that eliminates the unusual smell, circulates indoor.

The place of testing under the condition identical with aforesaid embodiment, in the ventilation cover body a1 of this size, for the wind speed according to 2m/sec, from the control stream F that control

stream injection portion

21,21 sprays, the exhaust efficiency of ascending air B is the highest.

Self-evident, smoke exhaust ventilator of the present invention can be used for the heating appliance for cooking of gas burner, electric furnace etc. with being equal to.In addition, according to present embodiment, provided not as the scheme of the exhaust stream of controlling stream, but, also do not comprised being discharged into outdoor scheme as the exhaust stream of controlling stream according to the present invention in indoor circulation.

In the present invention, be arranged on the cover body of taking a breath owing to resemble ascending air to be guided into down and an eddy current that produces eddy current by attached wall effect is generated a body above-mentioned, outside the filter behind or ventilation cover body of ventilation cover body, also discharge by the eddy current that above-mentioned eddy current generates the body generation by the exhaust apparatus suction, so under the effect that is involved in of this eddy current, even the electromagnetic induction heating type cooking heater is being used as under the situation of heating and cooking appliance, in front of extremely weak ascending air (the culinary art peculiar smell that comprises air-flow) not being diffused into move to fast outside the ventilation cover body and capture this air-flow and discharging, can guarantee high capture efficiency.

In addition, owing to ascending air is quickened and the realization discharging by eddy current, so obviously, also shorten the time of contact that eddy current generates body and filter behind etc., prevent that as much as possible the distinctive water vapour of electromagnetic induction heating type cooking heater from adhering to, also can be suppressed in the culinary art drippage and pollute the situation of the food in cooking container, the culinary art.

In addition, reversing plate is set above the heating appliance for cooking, through gap between the cover body of this reversing plate and ventilation, attract and realize in the smoke exhaust ventilator of exhaust by reversing plate exhaust apparatus behind, above-mentioned reversing plate is formed according to towards below ascending air led in the scheme 2 of the shape that generates eddy current by attached wall effect, can effectively utilize reversing plate and generate eddy current, also not have the very high situation of complex structure, cost.

Also have, as scheme 3, towards tangential direction the control injection portion that generates eddy current, jet-stream whirl energy and strengthen the control stream of usefulness is arranged at eddy current generate body below smoke exhaust ventilator in, can more stably produce eddy current, strengthen the eddy current energy, the capture efficiency of ascending air is further improved, be suitable for and produce the occasion of the electromagnetic induction heating type cooking heater of more weak ascending air as heating appliance for cooking.

In addition, as scheme 7, relate to following smoke exhaust ventilator, in this scheme, close by cap seal and to see basically the at right angles Lower Half of the place ahead opened portion of the ventilation cover body of triangle from the side, thereon in half one, and ventilation reversing plate is set at least with interval in the cover body between the left side plate, at this reversing plate filter is set behind, exhaust apparatus is set behind or outside the ventilation cover body at filter, this reversing plate forms has the shape of downward spigot surface and curling face, comprise that ascending air colliding part ground forms this spigot surface and link to each other and curve forward and form this curling face circular-arcly with this spigot surface, in the above-mentioned control stream injection portion that is provided with that covers, this control stream injection portion is along the tangential direction that generates eddy current jet-stream whirl energy enhancing obliquely control stream, flow from oblique below to eddy effusion control, be involved in the eddy current of the stable energy of ascending air in generation at ordinary times, capture efficiency is improved significantly, and the rising of ascending air is not subjected to the influence of this control stream, also can prevent to be diffused into the outside from the ventilation cover body, the rough sledding that the ceiling in kitchen etc. is polluted.

In addition, described as scheme 4, because the acquisition unit of control stream is arranged on the part that ascending air do not face, so even the electromagnetic induction heating type cooking heater is used as heating appliance for cooking, still can produce eddy current by strengthening energy stabilization ground, under the involution of this eddy current, even extremely weak ascending air (the culinary art peculiar smell that comprises steam) is arranged, still quickly with its gathering, make its do not diffuse into the ventilation cover body outside and it is captured, it is discharged, guarantee higher capture efficiency, utilize clean room air and carry out its eddy current and strengthen.

Also have, described as scheme 5, if the path of the cooling end that cools off by the drive source that has on the way exhaust apparatus, connect above-mentioned acquisition unit and control stream injection portion, the measure that prevents of the reduction of the durability of the heating of drive source that then needn't be by specialized agency's alignment processing exhaust apparatus, when the heating that prevents drive source, can make simple in structure, price is lower.

Have again, as scheme 6, flowing injection portion in above-mentioned control is built in about the illumination part, this illumination part is arranged on the central authorities of the ventilation cover body width of reversing plate below, the illumination side of two control stream injection portions partly is configured to regard as under the occasion that prolongs the shape that tilts that intersects upward from the front, with be provided with the illumination part irrespectively, can be in eddy current generates the whole width scope of body effect control stream equably, stably form the eddy current of institute's energy requirement, further strengthen the eddy current energy, guarantee higher capture efficiency.

In addition, as

scheme

8,9, use the occasion of exhaust apparatus effectively at control stream for the exhaust stream in air-supply source, needn't assemble the pressure fan that is used to blow the special use of controlling stream, can reduce equipment cost significantly, resemble

scheme

10,11 like that, because the gas that comprises in the control stream is removed by the mechanism that eliminates the unusual smell, do not comprise the danger that the gas of cooking peculiar smell circulates so make in the kitchen, it is not formed in and causes a uncomfortable factor in the kitchen.

Claims

1. smoke exhaust ventilator, it comprises: the ventilation cover body; Eddy current generates body, this eddy current generate body in the ventilation cover body, be arranged at heating appliance for cooking above, it guides ascending air downwards and produces eddy current by wall attachment effect; Exhaust apparatus, this exhaust apparatus are arranged on the filter behind of described ventilation cover body or range hood is external and carry out exhaust in the mode that attracts to generate the eddy current of body generation by described eddy current; It is characterized in that, described eddy current generates body and is provided with reversing plate, this reversing plate guarantee to be arranged on a gap between the left side plate of ventilation cover body and between the top board heating appliance for cooking above, this reversing plate has the downward spigot surface that comprises the ascending air impact site and form and also curves the curling face that forms forward with linking to each other with this spigot surface circular-arcly.

2. smoke exhaust ventilator according to claim 1, it is characterized in that, it also comprises control stream injection portion, this control stream injection portion is arranged on the below of described reversing plate and the eddy current that generates is sprayed the energy that ground strengthens this eddy current towards its tangential direction, described control is flowed injection portion by being equipped with described reversing plate in the place ahead of described ventilation cover body opened portion, and covering of the Lower Half of remaining this place ahead opened portion sealing is being formed with the opening that is the slit shape along the width of ventilation cover body at certain intervals so that along this lid towards the oblique upper jet airstream.

3. smoke exhaust ventilator according to claim 2 is characterized in that, from the indoor air acquisition unit of obtaining the control stream that sprays from described control stream injection portion, is arranged on the position of the ascending air that not attracting on the top board of ventilation cover body produce with culinary art.

4. smoke exhaust ventilator according to claim 3, it is characterized in that, described acquisition unit and control stream injection portion are communicated with by the path of the cooling end that the drive source that has on the way exhaust apparatus cools off, this path has with the backboard of ventilation cover body forms member as one, the air chamber that its top and bottom both sides open wide, with with coagulation guide plate that the open bottom end portion of this air chamber is communicated with under the space, in described air chamber, be provided with the latter half of of described drive source to become described cooling end, transversal ground, the following space horizontally set that is located at the reversing plate exhaust apparatus behind in the described ventilation cover body of described coagulation guide plate, this coagulation guide plate interrelates with the lower end of the support plate of supporting reversing plate, can receive attached to the coagulation on the support plate.

5. smoke exhaust ventilator according to claim 4, it is characterized in that, described control stream injection portion be built in the illumination part about, this illumination part is arranged on the central authorities of the ventilation cover body width of reversing plate below, the illumination side part of two control stream injection portions sees from the front being and upwards prolongs the shape that tilts that intersects, and generates the eddy current that body produces thereby can produce equably by eddy current in eddy current generates the whole width range of body.

6. smoke exhaust ventilator, it is characterized in that, close the bottom of the place ahead opened portion of seeing rectangular basically leg-of-mutton ventilation cover body from the side by cap seal, on its top, and the ventilation cover body left side plate between reversing plate is set with a gap, behind at this reversing plate is provided with filter, behind or the external exhaust apparatus that is provided with of range hood at this filter, this reversing plate forms has the shape of downward spigot surface and curling face, wherein form this spigot surface in the mode that comprises the ascending air impact site, and link to each other with this spigot surface and curve forward and form this curling face circular-arcly, in the described control stream injection portion that is provided with that covers, this control stream injection portion up sprays along the tangential direction setting that generates eddy current and from declivity and is used to strengthen eddy current control of energy stream, the acquisition unit of the room air of the control stream usefulness of spraying from this control stream injection portion is arranged on the position that does not attract this ascending air on the top cover of range hood, described control is flowed injection portion by being equipped with described reversing plate in the place ahead of described ventilation cover body opened portion, and covering of the Lower Half of remaining this place ahead opened portion sealing is being formed with the opening that is the slit shape along the width of ventilation cover body at certain intervals so that along this lid towards the oblique upper jet airstream.

7. smoke exhaust ventilator according to claim 2 is characterized in that, described exhaust apparatus is as the air-supply source, and described exhaust stream is as described control stream.

8. smoke exhaust ventilator, it is characterized in that, close the bottom of the place ahead opened portion of seeing rectangular basically leg-of-mutton ventilation cover body from the side by cap seal, on its top, and the ventilation cover body left side plate between reversing plate is set with a gap, behind at this reversing plate is provided with filter, behind or the external exhaust apparatus that is provided with of range hood at this filter, this reversing plate forms has the shape of downward spigot surface and curling face, wherein form this spigot surface in the mode that comprises the ascending air impact site, and linking to each other with this spigot surface and curve forward that circular arc shaped ground forms should curling face, in the described control stream injection portion that is provided with that covers, this control stream injection portion up sprays along the tangential direction setting that generates eddy current and from declivity and is used to strengthen eddy current control of energy stream, described control is flowed injection portion by being equipped with described reversing plate in the place ahead of described ventilation cover body opened portion, and covering of the Lower Half of remaining this place ahead opened portion sealing is being formed with the opening that is the slit shape along the width of ventilation cover body at certain intervals so that along this lid towards the oblique upper jet airstream.Described exhaust apparatus is as the air-supply source, and described exhaust stream is as described control stream.

9. smoke exhaust ventilator according to claim 7 is characterized in that, described control stream is supplied with by the mechanism that eliminates the unusual smell.

10. smoke exhaust ventilator according to claim 8 is characterized in that, described control stream is supplied with after by the mechanism that eliminates the unusual smell.

11. smoke exhaust ventilator according to claim 7 is characterized in that, according to the mode that the capacity with exhaust apparatus has nothing to do, the wind speed that described control is flowed carries out regulation control.

12. smoke exhaust ventilator according to claim 8 is characterized in that, irrespectively the wind speed of described control stream is carried out regulation control with the capacity of exhaust apparatus.

13. smoke exhaust ventilator according to claim 11 is characterized in that, the wind speed of described control stream is 2m/sec～3m/sec.

14. smoke exhaust ventilator according to claim 12 is characterized in that, the wind speed of described control stream is 2m/sec～3m/sec.

15. any one the described smoke exhaust ventilator according in the claim 1～14 is characterized in that described heating appliance for cooking is the electromagnetic induction heating type cooking heater.