CN208735693U - A kind of range hood - Google Patents
A kind of range hood Download PDFInfo
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- CN208735693U CN208735693U CN201820965855.1U CN201820965855U CN208735693U CN 208735693 U CN208735693 U CN 208735693U CN 201820965855 U CN201820965855 U CN 201820965855U CN 208735693 U CN208735693 U CN 208735693U
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- fume collecting
- exhaust fume
- absorption
- collecting hood
- air inlet
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Abstract
The utility model relates to a kind of range hoods, including exhaust fume collecting hood, the exhaust fume collecting hood is equipped with air inlet, the place plane of the air inlet from top to bottom gradually tilts backwards, it is characterized by: the exhaust fume collecting hood is equipped at least a pair of of absorption-asssisting equipment in the two sides of the neighbouring air inlet upper position, the absorption-asssisting equipment includes driving device and the blowing device for being installed on driving device output end, and the air-out direction of the blowing device is towards air inlet.The utility model is equipped at least a pair of of absorption-asssisting equipment by the two sides of air inlet upper position neighbouring on exhaust fume collecting hood, to targetedly improve the negative pressure absolute value on exhaust fume collecting hood top, because for side extraction cooking fume extractor, oil smoke reaches exhaust fume collecting hood top and is easier to escape, therefore targetedly here by absorption-asssisting equipment setting, the oil smoke that will be escaped effectively can be retracted into air inlet；And absorption-asssisting equipment is set to air inlet two sides, avoids absorption-asssisting equipment and blocks air inlet.
Description
Technical field
The utility model belongs to range hood technical field, and in particular to a kind of enhanced range hood of negative pressure.
Background technique
In order to promote the suction effect of range hood, air curtain structure is arranged in people on range hood, in exhaust fume collecting hood week
Side forms air curtain, stops swimming for oil smoke, to improve the suction effect of oil smoke；Alternatively, being promoted by the air quantity for improving blower
Smoking effect, but the increase of air quantity will increase noise, and energy consumption is high, and region lower for local decompression, the increasing of air quantity
Add and the improvement of smoke absorption effect is not obvious.
Or as disclosed in the patent of invention of Patent No. ZL201610144881.3 (publication No. CN105783064A)
" method of range hood and suction oil smoke with absorption-asssisting equipment " is directly blowed to air-supply air-flow in pot by absorption-asssisting equipment,
Oil smoke to be pushed to close up to air inlet of cooking-fume exhauster at the beginning of cookware oil smoke generates, to avoid the outer of oil smoke uphill process
It overflows.The absorption-asssisting equipment of above-mentioned patent is mainly for the oil smoke at the beginning of generation, and the absorption-asssisting equipment is when towards drying in pot, may
Oil smoke can be dispelled, be unfavorable for the suction of oil smoke instead.
For another example the utility model patent of Patent No. ZL201721278325.1 (publication No. CN207268475U) discloses
" a kind of range hood " shown in, including exhaust fume collecting hood and smoke deflector have air inlet on the exhaust fume collecting hood, and the smoke deflector is set to
It further include the accessory fan that can enhance smoke deflector periphery negative pressure below the air inlet, which is set to above smoke deflector.And
The accessory fan is set between smoke deflector and the air inlet of exhaust fume collecting hood, and accessory fan is easy to block air inlet, and it is unfavorable to play instead
Effect.
The accessory fan is and the region lower for local decompression for enhancing smoke deflector periphery negative pressure, to oil smoke
Improvement is not obvious.
In addition, current absorption-asssisting equipment is designed both for top-sucking kitchen ventilator, and for side extraction cooking fume extractor,
The negative pressure absolute value positioned at air inlet top of exhaust fume collecting hood is smaller, is the region of more easily generation fumes escaping, and at present not yet
There is the absorption-asssisting equipment specifically for side extraction cooking fume extractor design.
Utility model content
First technical problem to be solved in the utility model is the status for the prior art, is provided a kind of for negative
The relatively low region of pressure absolute value carries out the range hood of supplement negative pressure.
Second technical problem to be solved in the utility model is the status for the prior art, and providing one kind can root
Selectively enhance the range hood of air inlet left or right side or two sides negative pressure according to concrete condition.
The utility model solves technical solution used by above-mentioned first technical problem are as follows: a kind of range hood, including
Exhaust fume collecting hood, the exhaust fume collecting hood are equipped with air inlet, and the place plane of the air inlet from top to bottom gradually tilts backwards, feature
Be: the exhaust fume collecting hood is equipped at least a pair of of absorption-asssisting equipment in the two sides of the neighbouring air inlet upper position, described to help suction
Device includes driving device and the blowing device for being installed on driving device output end, the air-out direction of the blowing device towards into
Air port.
The utility model solves technical solution used by above-mentioned second technical problem are as follows: the exhaust fume collecting hood is equipped with extremely
Lack two for incuding the inductor of oil smoke concentration, each inductor corresponds to and the driving device of an absorption-asssisting equipment is electrically connected
It connects.In this way, the use state and smoking state of the real-time induced cooking utensils of inductor, avoid absorption-asssisting equipment in unwanted situation
It opens, in other words, absorption-asssisting equipment is selectively opened as the case may be, enhances air inlet left or right side or two sides are negative
Pressure, with energy saving.
To avoid the wind-force of some absorption-asssisting equipment excessive, by oil smoke from the opposite other side of the absorption-asssisting equipment position
Blowout, each pair of absorption-asssisting equipment are symmetrically disposed on air inlet two sides, and absorption-asssisting equipment is symmetrical arranged so that two strands distinguished and admirable are converged in centre
Lateral speed is offset, is inhaled into the blower of range hood, system is more stable.
For convenient for absorption-asssisting equipment to be installed on exhaust fume collecting hood, each absorption-asssisting equipment further includes being installed on exhaust fume collecting hood
Mounting rack, the mounting rack is equipped with the chamber accommodated for blowing device, and is equipped in the outside of the chamber for installing driving
The fixed frame of device, the fixed frame are installed on mounting rack.During installation, absorption-asssisting equipment is first installed on mounting rack and fixation
It on frame, is then mounted as a whole on exhaust fume collecting hood again, the mounting means is efficient and convenient.And absorption-asssisting equipment is set in mounting rack, more
Air inlet will not be stopped by adding, and guarantee that air inlet is smooth.
In order to make oil smoke can smoothly enter into air inlet, loss probability is reduced, is equipped with smoke deflector, institute in the front of the exhaust fume collecting hood
State at least a pair of region between smoke deflector and exhaust fume collecting hood of absorption-asssisting equipment.The setting of smoke deflector plays guiding to oil smoke and makees
With further reduced oil smoke loss probability.
For side-suction type range hood, to further increase smoke absorption effect, the lower side of the smoke deflector has curved backwards
The bending part of folding, i.e. smoke deflector lower part are relatively to its upper, close with a distance from plane where the air inlet from exhaust fume collecting hood, and cigarette is led in raising
The negative pressure absolute value of plate lower part two sides sucks the oil smoke come out inside pot by smoke machine rapidly before spreading apart, changes
Kind smoking effect.
It for the assembly and disassembly convenient for smoke deflector, is installed on exhaust fume collecting hood to the smoke deflector energy unloading, is also convenient for maintenance and suction is helped to fill
It sets.
The mode being detachably connected can there are many, it is preferable that the absorption-asssisting equipment is installed on exhaust fume collecting hood by mounting rack
On, card slot is offered on the mounting rack, the smoke deflector is equipped with the shackle member being clasped with the card slot；The exhaust fume collecting hood
It is connected with the lower part of smoke deflector by the unloading of connector energy.The connection type structure is simple, and card slot is especially opened in peace
It shelves, so that range hood structure is compact.
Preferably, the connector includes the first connector and the second connector, and the exhaust fume collecting hood is equipped with described first
Connector, the smoke deflector are equipped with second connector, first connector and the cooperation of the second connector magnetic, operation
It is convenient.
Compared with prior art, the advantages of the utility model: 1, the utility model passes through air inlet neighbouring on exhaust fume collecting hood
The two sides of upper position are equipped at least a pair of of absorption-asssisting equipment, to targetedly improve the negative pressure absolute value on air inlet top.
Because for side extraction cooking fume extractor, the position negative pressure absolute value on the air inlet top of neighbouring exhaust fume collecting hood is relatively low, and oil smoke is easier to escape
Ease, therefore targetedly here by absorption-asssisting equipment setting, the oil smoke that will be escaped effectively can be retracted into air inlet；And suction is helped to fill
Air inlet two sides are arranged in, absorption-asssisting equipment is avoided and blocks air inlet；2, absorption-asssisting equipment is dried towards air inlet, will not only be incited somebody to action
Oil smoke dispels, moreover it is possible to the oil smoke that will be escaped effectively are returned to air inlet of kitchen ventilator, help range hood to aspirate oil smoke, make
Smoke absorption effect is obtained to greatly promote；3, the utility model is controlled one and is helped by least two inductors of setting, each inductor
Device is inhaled, if kitchen ventilator smoking state is good, the oil smoke concentration in some region is lower than certain threshold value, then in helping herein
Device is inhaled to be not turned on；If the phenomenon that running cigarette occurs in some region in smoking process, inductor detects the region oil smoke concentration
More than the threshold value of setting, then absorption-asssisting equipment starts operation, and the local decompression of manufacture perfect can retract the oil smoke that will be escaped
In smoke deflector, into air inlet, so as to selectively enhance air inlet left or right side as the case may be or two sides are negative
The range hood of pressure.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the other direction of Fig. 1；
Fig. 3 is the structural schematic diagram for removing smoke deflector of Fig. 1；
Fig. 4 is the structural schematic diagram of the absorption-asssisting equipment of Fig. 3；
Fig. 5 is the structural schematic diagram of the other direction of Fig. 4；
Fig. 6 is the structural schematic diagram of the smoke deflector of Fig. 1；
Fig. 7 is the structural schematic diagram of the utility model embodiment 2.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
Embodiment 1
As shown in figs. 1 to 6, the range hood of this preferred embodiment includes exhaust fume collecting hood 1 and the front for being installed on exhaust fume collecting hood 1
Smoke deflector 5, exhaust fume collecting hood 1 are equipped with air inlet 11.Exhaust fume collecting hood 1 is equipped with a pair in the two sides of neighbouring 11 upper position of air inlet and helps
Device 2 is inhaled, which is respectively positioned on the region between smoke deflector 5 and exhaust fume collecting hood 1.
It is oily although the negative pressure absolute value of the peripheral region of exhaust fume collecting hood 1 is all lower when being applied to side extraction cooking fume extractor
Cigarette is reached to be easier to escape positioned at the region on 11 top of air inlet, therefore the fumes escaping to avoid 1 top edge of exhaust fume collecting hood, and two
A absorption-asssisting equipment 2 is respectively arranged on the two sides of neighbouring 11 upper position of air inlet on exhaust fume collecting hood 1.So targetedly by absorption-asssisting equipment
2 settings here, can increase negative pressure absolute value herein, the oil smoke that will be escaped effectively retracted air inlet 11.
As shown in figs. 2 to 4, absorption-asssisting equipment 2 includes driving device 21 and the blowing dress for being installed on 21 output end of driving device
Set 22, the air-out direction of blowing device 22 is towards air inlet 11.In the present embodiment, blowing device 22 is fan, it is of course also possible to
For blower.And fan tilts 30 ° or so to the direction far from air inlet 11 from top to bottom, so that its blowing direction is towards air inlet
11, certainly, it is not limited to the tilt angle；20~60 ° of preferred angled.
In addition, two absorption-asssisting equipments 2 are symmetrically disposed on 11 two sides of air inlet, so that two strands of wind of two absorption-asssisting equipments 2
It flows to converge in centre and offsets lateral speed, be inhaled into the blower of range hood, system is more stable.
As shown in Figure 4,5, each absorption-asssisting equipment 2 further includes the mounting rack 23 being installed on exhaust fume collecting hood 1, is set on mounting rack 23
There is the chamber 24 accommodated for blowing device 22, and is equipped with the fixed frame for installing driving device 21 in the outside of the chamber 24
25, fixed frame 25 is installed on mounting rack 23.During installation, first absorption-asssisting equipment 2 is installed on mounting rack 23 and fixed frame 25,
Then it is mounted as a whole on exhaust fume collecting hood 1 again.Mounting rack 23 may be designed as part or all of hollow structure, and electric wire is layed in peace
It shelves in 23.
Smoke deflector 5 can be installed on exhaust fume collecting hood 1 to unloading, and card slot 231, the top of smoke deflector 5 are offered on mounting rack 23
Equipped with the shackle member 51 being clasped with the card slot 231, in the present embodiment, shackle member 51 is snap ring.And the lower part of exhaust fume collecting hood 1 is set
There is the first connector 13, the lower part of smoke deflector 5 is equipped with the second connector 52, and the first connector 13 and 52 magnetic of the second connector are matched
It closes, in the present embodiment, the first connector 13 and the second connector 52 are magnet.
When assembling smoke deflector 5, first shackle member 51 is arranged in card slot 231, then connects the first connector 13 and second
52 magnetic of fitting completes assembly together；Conversely, disengaging the first connector 13 and the second connector 52, then will clamping
Part 51 is removed out of card slot 231, that is, completes disassembly.
As shown in fig. 6, the plane 12 where 5 lower part of smoke deflector towards air inlet 11 tilts, i.e., the lower side of smoke deflector 5 has
There is the bending part 53 bent backwards, the angle between 5 lower part of smoke deflector and exhaust fume collecting hood 1 is 5 °, in other words, 5 lower part phase of smoke deflector
It is close with a distance from plane where the air inlet from exhaust fume collecting hood 1 to its upper, the negative pressure absolute value of 5 lower part two sides of smoke deflector is improved,
So make the oil smoke come out inside the pot spread apart come before sucked by smoke machine rapidly, improve smoking effect.
Embodiment 2
As shown in fig. 7, being respectively equipped with inductor 3 in left and right sides on exhaust fume collecting hood 1, each inductor 3 includes being used for
The absorption-asssisting equipment 2 of the controller for incuding the sensing part of oil smoke concentration and being electrically connected with sensing part, each controller and respective side
Driving device 21 is electrically connected.
If kitchen ventilator smoking state is good, the oil smoke concentration in somewhere is lower than certain threshold value, then in herein help suction
Device 2 is not turned on；If the phenomenon that running cigarette occurs in somewhere in smoking process, inductor 3 detects that the region oil smoke concentration is more than
The threshold value of setting then starts operation in absorption-asssisting equipment 2 herein, and the local decompression of manufacture can be perfect the oil that will be escaped
Cigarette retracts in smoke deflector 5, into air inlet 11.
It is exemplified below, when using left side list stove, the inductor 3 positioned at 1 right side of exhaust fume collecting hood can't detect high concentration
Oil smoke, then right side absorption-asssisting equipment 2 will not open.The open and-shut mode of the absorption-asssisting equipment 2 in left side is by the inductor 3 positioned at left side
The oil smoke amount of this detected side determines that, if host smoking state is good, the inductor in the monitoring section of left side has been not detected
Fumes escaping, then the absorption-asssisting equipment 2 in left side is not turned on；If smoking state is poor, the inductor in the detection zone of left side is detected
Oil smoke concentration, and start corresponding absorption-asssisting equipment 2 and start operation.
On the right of use when single stove, principle is same as above.
Remaining content is same as Example 1.
Claims (9)
1. a kind of range hood includes exhaust fume collecting hood (1), the exhaust fume collecting hood (1) is equipped with air inlet (11), the air inlet
(11) place plane (12) from top to bottom gradually tilts backwards, it is characterised in that: the exhaust fume collecting hood (1) is in the neighbouring air inlet
The two sides of mouth (11) upper position are equipped at least a pair of of absorption-asssisting equipment (2), and the absorption-asssisting equipment (2) includes driving device (21)
With the blowing device (22) for being installed on driving device (21) power output end, the air-out direction of the blowing device (22) towards into
Air port (11).
2. range hood according to claim 1, it is characterised in that: the exhaust fume collecting hood (1) is equipped at least two and is used for
Incude the inductor (3) of oil smoke concentration, each corresponding driving device (21) with an absorption-asssisting equipment (2) of the inductor (3)
Electrical connection.
3. range hood according to claim 1, it is characterised in that: each pair of absorption-asssisting equipment (2) is symmetrically disposed on
Air inlet (11) two sides.
4. range hood according to claim 1, it is characterised in that: each absorption-asssisting equipment (2) further includes being installed on
The mounting rack (23) of exhaust fume collecting hood (1), the mounting rack (23) are equipped with the chamber (24) accommodated for blowing device (22), and at this
The outside of chamber (24) is equipped with the fixed frame (25) for installing the driving device (21), and the fixed frame (25) is installed on
It shelves on (23).
5. range hood according to claim 4, it is characterised in that: be equipped with smoke deflector in the front of the exhaust fume collecting hood (1)
(5), at least a pair of region between smoke deflector (5) and exhaust fume collecting hood (1) of the absorption-asssisting equipment (2).
6. range hood according to claim 5, it is characterised in that: the lower side of the smoke deflector (5) has curved backwards
The bending part (53) of folding.
7. range hood according to claim 5, it is characterised in that: the smoke deflector (5) can be installed on to unloading described
On exhaust fume collecting hood (1).
8. range hood according to claim 7, it is characterised in that: the absorption-asssisting equipment (2) passes through the mounting rack
(23) it is installed on the exhaust fume collecting hood (1), is offered card slot (231) on the mounting rack (23), the smoke deflector (5) is equipped with
The shackle member (51) being clasped with the card slot (231)；The exhaust fume collecting hood (1) and the smoke deflector (5) can be taken off by connector
It connects with unloading.
9. range hood according to claim 8, it is characterised in that: the connector includes the first connector (13) and the
Two connectors (52), first connector (13) are arranged on the exhaust fume collecting hood (1), and the second connector (52) setting exists
On the smoke deflector (5), first connector (13) and the cooperation of the second connector (52) magnetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820965855.1U CN208735693U (en) | 2018-06-22 | 2018-06-22 | A kind of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820965855.1U CN208735693U (en) | 2018-06-22 | 2018-06-22 | A kind of range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208735693U true CN208735693U (en) | 2019-04-12 |
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ID=66024131
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820965855.1U Active CN208735693U (en) | 2018-06-22 | 2018-06-22 | A kind of range hood |
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| Country | Link |
|---|---|
| CN (1) | CN208735693U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154481A (en) * | 2020-01-06 | 2021-07-23 | 宁波方太厨具有限公司 | Cooking system |
-
2018
- 2018-06-22 CN CN201820965855.1U patent/CN208735693U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113154481A (en) * | 2020-01-06 | 2021-07-23 | 宁波方太厨具有限公司 | Cooking system |
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