CN101101134A - kitchen air exhaust hood - Google Patents
kitchen air exhaust hood Download PDFInfo
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- CN101101134A CN101101134A CNA2006101062161A CN200610106216A CN101101134A CN 101101134 A CN101101134 A CN 101101134A CN A2006101062161 A CNA2006101062161 A CN A2006101062161A CN 200610106216 A CN200610106216 A CN 200610106216A CN 101101134 A CN101101134 A CN 101101134A
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- motor
- reciprocating movement
- mobile cover
- cover
- exhaust hood
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2078—Removing cooking fumes movable
- F24C15/2085—Removing cooking fumes movable adjustable in height
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention publishes a kitchen wind cover, which installs on the fire pivot of the kitchen, and discharges the pollution like the flavor, the smoke and steam which produces in the cooking time. The shift cover has an inspiration module to pump the pollutant rise and drop along the exterior of the fixed cover, and through a clockwise/reverse electric motor upward and downward migration. During the shift cover stop moving, the operation of the clockwise/reverse electric motor is also stopped by a brake. The fluctuation module uses the angular force which is produced by the clockwise/reverse electric motor to rise or drop the shift over. The electromotive force supplier provides the actuation electromotive force according to the shift rise instruction of the clockwise/reverse electric motor. The first and the second limit switch module cut-off power source which provides to the clockwise/reverse electric motor and brake. The shift cover includes one absorb fight, which arranges on the base of the shift cover and in the horizontal direction through one absorb fight moves the module.
Description
Technical field
The present invention relates to a kind of exhaust hood, it is installed in cage top, kitchen and the pollutant of discharge as cigarette or steam in the time of culinary art.More specifically, the present invention relates to a kind of kitchen air exhaust hood, it can discharge the pollutant that produces as far as possible effectively when culinary art, such as cigarette, steam and smell, and they are diffused in the room air.
Background technology
Usually, in the kitchen in family or restaurant exhaust hood is installed, it discharges smell and the cigarette that produces when culinary art.
Yet, because traditional exhaust hood is arranged on apart from cooking stove preset distance place, food is cooked in this distance, and a problem of existence is, the zone that can not arrive at the suction of exhaust hood has been arrived in the room air Pollutants Diffusion as smell and cigarette of generation.
In order to address this is that, traditionally, used a kind of lift exhaust hood shown in Figure 7.The more detailed description of lift exhaust hood will provide with reference to figure 7.
Fig. 7 is the longitdinal cross-section diagram of conventional kitchen exhaust hood.As shown in Figure 7, traditional kitchen air exhaust hood comprises a mobile cover 500, it has an air-breathing part that is formed at the bottom and a fan 510 that is connected in bellows 400, and fixed cover 600, it is by first, second and the 3rd sliding part 600a, and 600b and 600c are connected in mobile cover 500.A fixed axis 610 is installed on the mobile cover 500, and one just change/motor with reciprocating movement 700 is installed on the fixed cover 600.The structure of mobile cover 500 make its can by just changeed/idler roller 900 and the metal wire 800 of motor with reciprocating movement 700 rotation rise and descend, the upper end of metal wire is wrapped on the idler roller 900, the lower end is fixed on the fixed axis 610.When handling exhaust hood, if idler roller 900 by just change/motor with reciprocating movement 700 rotates on forward direction/reverse directions, the metal wire 800 that is connected in fixed axis 610 just twines idler roller 900, makes mobile cover 500 rise or descend.
This traditional lift exhaust hood has used the metal wire method of attachment to raise and to reduce mobile cover.Therefore, it is complicated that its structure becomes, and therefore it installs the quite trouble that also becomes.
And the problem that above-described traditional metal wire method of attachment has is, metal wire can tangle when exhaust hood is installed or used, therefore can not raise or reduces mobile cover.
And the problem that above-described traditional metal wire method of attachment also has is that because mobile cover is raised with the method that hangs or reduces, therefore mobile cover may acutely rock when raising or reduce, and makes descending operation become unstable.
In traditional lift exhaust hood, mobile cover can only be moved up and down.And, although mobile cover descends and near cooking stove, has predetermined distance between mobile cover and cooking stove, make mobile cover be positioned at position away from cooking stove.Therefore, the smell, cigarette and the steam that produce in the time of can not sucking culinary art effectively.
Summary of the invention
Therefore, an object of the present invention is to provide a kind of kitchen air exhaust hood, wherein lowering or hoisting gear is constructed simply as far as possible, and descending operation can accurately and safely be realized big support force.
Another object of the present invention provides a kind of kitchen air exhaust hood, and wherein the hoisting depth of mobile cover can be controlled, and the descending operation of mobile cover is simple.
An object of the present invention is to provide a kind of kitchen air exhaust hood, except the lifting direction, it can move in the horizontal direction, and the smell, cigarette and the water vapor diffusion that produce when preventing to cook by the space of using gas curtain to isolate preset distance between exhaust hood and cooking stove be in room air, and effectively they are discharged to outdoor.
According to an aspect of the present invention, provide a kind of kitchen air exhaust hood, wherein having a getter assembly rises and descends along the outside of a fixed cover with a mobile cover at bottom suction pollutant, described exhaust hood comprises that one is just changeed/motor with reciprocating movement, be installed on the described fixed cover, described mobile cover moved up and down on the direction in order to a power to be provided; A brake, being installed in describedly just changes/motor with reciprocating movement on, in order to describedly just changeing/suppress rotary manipulation when motor with reciprocating movement stops the rotation; A lifting assembly, use from describedly just change/revolving force that the motor with reciprocating movement transmission comes rises described mobile cover or descends; An electromotive force feeder, in order to receive for the lifting order of described mobile cover and give describedly just change/motor with reciprocating movement provides the driving electromotive force; First and second limit switch assemblies, be installed on the inner surface of upper and lower of described mobile cover, in order to detecting the time that described mobile cover arrives top and bottom restriction site, and cut off to offer and describedly just change/power supply of motor with reciprocating movement and described brake; And one inhaled bucket, comprises that with a plurality of control buttons one handles assembly, and use of the bottom that is installed in described mobile cover to inhale the bucket moving assembly and come to move in the horizontal direction.
Description of drawings
Of the present invention estimate more completely and a lot of subsidiary advantage will become apparent and be more readily understood by the detailed description with reference to accompanying drawing subsequently, wherein same reference number represent equally or similar elements, wherein:
Fig. 1 is a perspective view, shows according to a kitchen air exhaust hood of the present invention.
Fig. 2 is a longitdinal cross-section diagram, shows according to kitchen air exhaust hood of the present invention.
Fig. 3 is a part of decomposition diagram, shows the main part according to kitchen air exhaust hood of the present invention.
Fig. 4 is a bottom perspective view, shows according to kitchen air exhaust hood of the present invention.
Fig. 5 is a schematic diagram, shows the distribution according to kitchen air exhaust hood of the present invention.
Fig. 6 is a block diagram, shows according to kitchen air exhaust hood of the present invention.
Fig. 7 is a longitdinal cross-section diagram, shows a traditional kitchen air exhaust hood.
The specific embodiment
To thoroughly describe the present invention with reference to the accompanying drawings subsequently, accompanying drawing shows the preferred embodiments of the present invention.
In the accompanying drawings, Fig. 1 is a perspective view, showed according to kitchen air exhaust hood of the present invention, Fig. 2 one longitdinal cross-section diagram, show according to kitchen air exhaust hood of the present invention, Fig. 3 is a part of decomposition diagram, show main part according to kitchen air exhaust hood of the present invention, Fig. 4 is a bottom perspective view, show according to kitchen air exhaust hood of the present invention, Fig. 5 is a schematic diagram, shows the distribution according to kitchen air exhaust hood of the present invention, and Fig. 6 is a block diagram, shows according to kitchen air exhaust hood of the present invention.
With reference to the accompanying drawings, kitchen air exhaust hood of the present invention comprises a fixed cover 10, it links to each other with a conduit that is communicated with extraneous air, a mobile cover 20, it is installed in fixed cover 10 outsides, rising and to descend along fixed cover 10, and one inhaled bucket 30, and it is installed in the bottom of mobile cover 20 and has by a plurality of controls the manipulation component 140 that button 141 constitutes.
An exhaust outlet 31 is formed at the top of inhaling bucket 30, links to each other with an end of bellows 40.Bellows 40 are through fixed cover 10 and mobile covers 20, and being communicated with extraneous air, and its structure can rise or descend and change length along with mobile cover 20.A suction fan 41 is installed in an end of bellows 40, and it produces the inhalation power of expection.
Simultaneously, fixed cover 10 has a just commentaries on classics/motor with reciprocating movement 50 that drives mobile cover 20, and lowering or hoisting gear, and being used to use is just changeed/and a gear train that motor with reciprocating movement 50 is handled rises or decline mobile cover 20.
As shown in Figure 2, lowering or hoisting gear is just changeed/motor with reciprocating movement 50 drivings, comprise a pinion 51 that is rotatably installed on the power Transmission Part 60, the power Transmission Part is installed in the bottom of the inside of fixed cover 10, and being installed in tooth bar 61 on two inner wall surface of mobile cover 20, the installment state of tooth bar is to be meshed with pinion 51.Preferably power Transmission Part 60 has with the same speed reducing ratio of traditional gearbox.
Simultaneously, be equipped with on the inner surface of the upper and lower of mobile cover 20 and rise and decline switch S 1-1 and S1-2, they are the first limit switch assembly S1 that are used for limiting the lifting height of mobile cover 20.When mobile cover 20 arrives tops and bottom restriction site, rise and decline switch S 1-1 and S1-2 can perception, and cut off and just change/power supply of motor with reciprocating movement 50.Therefore, when mobile cover 20 rose and descend, the restriction site that uses the first limit switch assembly S1 to come correctly descending operation with mobile cover 20 to stop at top and bottom became possibility.
And, rise to connect on the inner surface of upper and lower portion that the rising of switch S 2-1 and the S2-2 and the first limit switch assembly S1 and decline switch S 1-1 and S1-2 relatively be installed in mobile cover 20, they are second limit switch assembly S2, are used for preventing from just to change/motor with reciprocating movement 50 unnecessary operation owing to the load of mobile cover 20.When mobile cover 20 arrives tops and bottom restriction site, rise connect switch S 2-1 and S2-2 can perception, and cut off the power supply of brake 70.Therefore, hinder just change/operation of motor with reciprocating movement 50 becomes possibility.Brake 70 with just change/motor with reciprocating movement 50 is one, being used for suppressing in the motor shut-down operation just changes/rotation of motor with reciprocating movement 50.
Whether brake 70 is mechanically to suppress just to change according to there being power supply to offer brake/device of motor with reciprocating movement 50 operations.Usually, just change/end of the motor reel of motor with reciprocating movement 50 is connected in transmitting device, and for example pinion 51.Simultaneously, another pinion 51 is mounted freely on the power Transmission Part 60.Brake 70 is restraining devices, and when providing power supply to motor, brake discharges the just commentaries on classics/motor with reciprocating movement 50 that is suppressed by machinery and makes it operation, and when cutting off the electricity supply when, the brake inhibition just changes/and the operation of motor with reciprocating movement 50.
When just change/when the power input line of motor with reciprocating movement 50 linked to each other with a power supply, the power input line of brake 70 also linked to each other with power supply simultaneously.Therefore, when power supply just change to drive/motor with reciprocating movement 50 time, electric power also offers brake 70, making repressedly just changes/motor with reciprocating movement 50 is released.On the other hand, when cut off the electricity supply with stop just to change/operation of motor with reciprocating movement 50 time, the electric power that offers brake 70 also is cut off, making just changes/operation of motor with reciprocating movement 50 is suppressed.
Simultaneously, in a preferred embodiment of the invention, a suction bucket 30 that is installed in mobile cover 20 bottoms can move forward and backward in the horizontal direction by inhaling the bucket mobile device.For this reason, one front/rear moves just changes/motor with reciprocating movement 80 is installed in the inside of the bottom of mobile cover 20, and ball screw 90 is connected in front/rear moving and just changes/motor reel of motor with reciprocating movement 80.And a slide unit 91 is formed at the top of inhaling bucket 30.
Shown in Fig. 2 was detailed, the bottom that slide unit 91 will be inhaled bucket 30 and mobile cover 20 in the horizontal direction movably was separated, and predetermined gap is arranged to be installed on the guide member 21 with respect to the upper surface of inhaling bucket 30.Guide member 21 is parts of mobile cover 20, and its lower edge curves inwardly and be outstanding, the two ends of supporting slide unit 91 slidably.
Be fixed on the upper surface of slide unit 91 with a ball nut 92 of ball screw 90 engagement.When by front/rear move just change/the operation swing roller screw rod of motor with reciprocating movement 80 90 time, slide unit 91 moves along guide member 21 forward or backward by the ball nut 92 with ball screw 90 engagements.Therefore, the suction bucket 30 with slide unit 91 one also moves forward or backward.The two ends of slide unit 91 all are slidably mounted on the guide member 21 by bearing 100, make slide unit 91 move forward or backward more reposefully.
And, as shown in Figure 4, also being formed with the air vent 110 of a plurality of downward guiding in the bottom of inhaling bucket 30, their shape is a slotted hole.The air vent 110 of guiding forms along the bottom margin of inhaling bucket 30 extensiblely downwards, and has exhaust fan 111, and exhaust fan is discharged the air with predetermined pressure respectively.Therefore, when discharging air, just formed gas curtain at the edge of inhaling bucket 30 with predetermined pressure by the operation of exhaust fan 111.
Simultaneously, have a plurality of traditional optical receivers 120 that link to each other with a microcomputer 150 in addition on the manipulation component 140 of button 141 of controlling, by this receiver, just change/motor with reciprocating movement 50 or front/rear move just change/motor with reciprocating movement 80, suction fan 41 and exhaust fan 111 can use traditional remote controller 130 to control.Therefore, using a teleswitch in short distance 130 becomes possibility together with the rising of mobile cover 20 and the front/rear ON/OFF of controlling air-breathing/ exhaust fan 41 and 111 that moves of inhaling bucket 30, rather than the user manipulate manipulation component 140 directly control button 141.Therefore, the user can use exhaust hood of the present invention more easily.
Usually, when beginning is handled for the first time, just change/the most of electric power of motor with reciprocating movement 50 consumption.Therefore, for just changeing/motor with reciprocating movement 50, when its with the peak power initial manipulation time, surplus takes place in whole process.Therefore, when just change/motor with reciprocating movement 50 is by an electromotive force feeder 170 initial manipulations the time, just change/motor with reciprocating movement 50 can handle reposefully by increasing electric energy gradually, rather than handle with peak power immediately.
This electromotive force feeder 170 can be such device, starter condenser for example, its be created in from electric energy provide assembly 160 provide electric energy to just change/motor with reciprocating movement 50 after initial manipulations just change/motor with reciprocating movement 50 necessary electronic potential energy, and provide electronic potential energy to just changeing/motor with reciprocating movement 50.
Subsequently, will provide according to the function of kitchen air exhaust hood of the present invention and the description of operation.
In the common time of not cooking in the kitchen, the mobile cover 20 of exhaust hood above-mentioned rises to the top of fixed cover 10, and remains there.Therefore, when using the kitchen, the user can minimize the interference of mobile cover 20, and uses the kitchen more easily.
Simultaneously, in the time of cooking food, need to reduce mobile cover 20, with the Pollutants Diffusion as smell, cigarette and steam that do not allow to produce by food in room air.For this reason, thus when by use a teleswitch 130 handle manipulation component 140 drive installations just changeing on fixed cover 10/motor with reciprocating movement 50 in, just change/motor with reciprocating movement 50 rotation is installed in the pinion 51 on the power Transmission Part 60.Along with the rotation of pinion 51, the tooth bar 61 that is installed on mobile cover 20 inner surfaces moves under the state that tooth bar 61 and pinion 51 mesh up and down, and mobile cover 20 descends from fixed cover 10.
Simultaneously, when the suction fan 41 of the bellows 40 that are arranged on mobile cover 20 inside begins to handle, mobile cover 20 be provided with under the state of as close as possible grill, the pollutant as smell, cigarette and steam when the suction bucket 30 of mobile cover 20 by mobile cover 20 sucks culinary art.The pollutant that produces in culinary art that is inhaled into is discharged to the outside through bellows 40, rather than is diffused in the room air.
At this moment, when move inhaling bucket 30 forward or backward when mobile cover 20 being arranged in the grill top and handling exhaust fan 111, form gas curtain inhaling bucket 30 edges by the air of discharging from exhaust fan 111.By using gas curtain, might prevent can be with smell, cigarette and the water vapor diffusion of different directions diffusion in room air, and they are sucked fully and is discharged to outdoor simultaneously.
When finishing cooking operation, just change/motor with reciprocating movement 50 is driven by handling assembly 140, so that mobile cover 20 is risen to its initial position.Along with just change/motor with reciprocating movement 50 is driven, power Transmission Part 60 is driven, and mobile cover 20 rises to its initial position.
Simultaneously, although when the contact of the rising switch S 1-1 of the first limit switch assembly S1 stops rising by driving the mobile cover 20 that power Transmission Part 60 rises and descend according to user's rising order and the time connected to one another, mobile cover 20 can descend owing to its deadweight.Under the situation that mobile cover 20 descends owing to its deadweight, the contact of rising switch S 1-1 is separated from one another.At this moment, just change/motor with reciprocating movement 50 is powered once more, and be actuated to once more rise or decline mobile cover 20 to the top restriction site.
Yet, under the situation that this situation recurs, just change/motor with reciprocating movement 50 can be owing to frequent driving and heavily loaded the breaking-up.
Therefore, kitchen air exhaust hood according to the present invention comprises that a brake 70 is to prevent handling the just commentaries on classics/motor with reciprocating movement 50 stop because noted earlier former thereby be driven once more by the first limit switch assembly S1.And kitchen air exhaust hood further comprises one second limit switch assembly S2, and its induction mobile cover 20 arrives top and bottom restriction site, and brake activation device 70.
The second limit switch assembly S2 is installed on the inner surface of mobile cover 20, and cut off the power supply that is supplied to brake 70, to prevent from just to change/the unnecessary operation of motor with reciprocating movement 50, when separate owing to the deadweight of mobile cover 20 contact that these unnecessary operations can occur in the first limit switch assembly S1, mobile cover 20 shut-down operations this moment.
The second limit switch S2 and the first limit switch S1 relatively are installed on the inner surface of mobile cover 20, comprise a connection switch S 2-2 that descends that rises and connect switch S 2-1 and be installed in mobile cover 20 bottoms who is installed in mobile cover 20 tops.When mobile cover 20 arrived top and bottom restriction site, rise connection switch S 2-1 and decline were connected switch S 2-2 and are moved cover 20 promotions.At this moment, the rising of the second limit switch S2 is connected switch S 2-1 and is descended and connects switch S 2-2 and cut off the power supply that offers brake 70, to stop just to change/operation of motor with reciprocating movement 50.
The mode of operation of the kitchen air exhaust hood of structure as described above will be explained.
When the user imports steering command with rising mobile cover 20 by handling assembly 140 or remote controller 130, microcomputer 150 just changeed/motor with reciprocating movement 50 provide electric power with make it rotation, make just to change/motor with reciprocating movement 50 promotes mobile covers 20.When mobile cover 20 rose continuously and arrives the top restriction site, the rising in the rising switch S 1-1 place of first limit switch assembly S1 configuration, two contacts separated from one another by mobile cover 20 contacted.When the contact of the rising switch S 1-1 of the first limit switch assembly S1 was connected to one another, it also exported rising switch S 1-1 perception a detected signal and gives microcomputer 150.This microcomputer 150 receives detected signals and also transmits a control signal and give energy supply part 160, and just offering in order to cut-out changes/power supply of motor with reciprocating movement 50.Therefore, mobile cover 20 stops in the tram of top restriction site, stops when here mobile cover 20 should rise thereon.
On the other hand, when the user uses when handling assembly 140 and import the decline order of mobile cover 20, microcomputer 150 just changeed/and motor with reciprocating movement 50 provides electric power and makes it rotation.At this moment, mobile cover 20 by just change/reverse operating of motor with reciprocating movement 50 descends.When mobile cover 20 descended continuously and arrive the bottom restriction site, two contacts separated from one another of the decline switch S 1-2 of the first limit switch assembly S1 were connected to each other by the decline of mobile cover 20.When the contact of the decline switch S 1-2 of the first limit switch assembly S1 was connected to one another, it also exported decline switch S 1-2 perception a detected signal and gives microcomputer 150.Microcomputer 150 receives detected signals and also transmits a control signal and give energy supply part 160, and just offering in order to cut-out changes/power supply of motor with reciprocating movement 50.Therefore, mobile cover 20 stops in the tram of bottom restriction site, and here mobile cover 20 should stop in its decline.
And microcomputer 150 receives from the rising of the second limit switch S2 and connects switch S 2-1 and the transducing signal of the connection switch S 2-2 output that descends, and exports a control signal according to the operation of brake 70.
When the user uses when handling assembly 140 or remote controller 130 and import steering command with rising mobile cover 20, microcomputer 150 just changeed/and motor with reciprocating movement 50 provides electric power and handles it then, makes mobile cover 20 rise.When mobile cover 20 rose continuously and arrives the top restriction site, two contacts separated from one another of connecting switch S 1-1 and S2-1 in the rising of the first and second limit switch assembly S1 and S2 contacted with each other respectively along with the rising of mobile cover 20.When the contact of the rising switch S 1-1 of the first limit switch assembly S1 was connected to one another, it also exported the rising switch S 1-1 perception of the first limit switch S1 a detected signal and gives microcomputer 150.This microcomputer 150 receives detected signals and also exports a control signal and give energy supply part 160, and just offering in order to cut-out changes/power supply of motor with reciprocating movement 50.Energy supply part 160 cuts off just to offer according to control signal to be changeed/power supply of motor with reciprocating movement 50.Therefore, mobile cover 20 stops to rise.
And when the rising of the second limit switch assembly S2 is connected the contact of switch S 2-1 the time connected to one another, switch S 2-1 perception is connected in the rising of the second limit switch assembly S2, and it is also exported a braking activation signal and gives microcomputer 150.Microcomputer 150 receives the braking activation signal and exports a control signal and give energy supply part 160, offers the power supply of brake 70 in order to cut-out.Energy supply part 160 cuts off the power supply that offers brake 70, and when cutting off the electricity supply when, and brake 70 suppresses by the driving restraining device just to change/driving of motor with reciprocating movement 50.Therefore, can prevent according to kitchen air exhaust hood of the present invention since the weight of mobile cover 20 just make change/motor with reciprocating movement 50 unnecessarily drives.
As described above, according to the present invention, might control the lifting height of mobile cover, and mobile cover is correctly stopped at top and bottom restriction site, here, by steering command, be installed in the limit switch of the upper and lower of mobile cover by use, mobile cover stops when should rise thereon and descend, and simultaneously, might use brake to prevent since deadweight and mobile cover just changeing when descending/motor with reciprocating movement is non-to be driven wittingly.
And, by being set, lowering or hoisting gear mobile cover is risen or decline, in simple structure and gear arrangement as much as possible, might in the lifting moving cover,, gear realize more stable lifting owing to connecting the higher support force that obtains, and simultaneously, might mobile cover correctly be risen and drop to desired location with rocking of minimum.Because the lifting of mobile cover can and be handled assembly and control by remote controller, so the user can use easily.
And, in cooking equipment, such as the very long cooking stove of longitudinal length, might be by mobile cover being descended adjust the position of mobile cover, and exhaust bucket moves forward and makes exhaust hood can cover All Ranges.
The present invention reference example embodiment is described, and it should be appreciated by those skilled in the art that under the situation that does not break away from the spirit and scope that limited by the back claim of the present invention to make multiple change to form and details.
Claims (6)
1. a kitchen air exhaust hood wherein has a getter assembly and rises and descend along the outside of a fixed cover with a mobile cover at bottom suction pollutant, and described exhaust hood comprises:
One is just changeed/motor with reciprocating movement, is installed on the described fixed cover, in order to a power to be provided described mobile cover is being moved up and down on the direction;
A brake, being installed in describedly just changes/motor with reciprocating movement on, in order to describedly just changeing/suppress rotary manipulation when motor with reciprocating movement stops the rotation;
A lifting assembly, use from describedly just change/revolving force that the motor with reciprocating movement transmission comes rises described mobile cover or descends;
An electromotive force feeder, in order to receive the lifting order of described mobile cover and give describedly just change/motor with reciprocating movement provides the driving electromotive force;
First and second limit switch assemblies, be installed on the inner surface of upper and lower of described mobile cover, in order to detecting the time that described mobile cover arrives top and bottom restriction site, and cut off to offer and describedly just change/power supply of motor with reciprocating movement and described brake; And
Inhale bucket for one, comprise a manipulation assembly, and use a suction bucket moving assembly of the bottom that is installed in described mobile cover to move in the horizontal direction with a plurality of control buttons.
2. kitchen air exhaust hood as claimed in claim 1, further comprise a microcomputer, this microcomputer describedly just changes according to controlling from the steering command of described manipulation assembly input/driving and the direction of rotation of motor with reciprocating movement and described suction bucket moving assembly, and just change/motor with reciprocating movement and described brake output control signal to described according to the signal that comes from the described first and second limit switch transmission.
3. as the kitchen air exhaust hood of claim 1 or 2, wherein said manipulation assembly comprises a light receiver that links to each other with described microcomputer, in order to by remote controller controlled in wireless in short distance, and the control button of the described manipulation assembly of direct control not.
4. kitchen air exhaust hood as claimed in claim 3, wherein said lifting assembly comprises a pinion, this pinion be installed in described fixed cover the bottom inside and with describedly just change/output shaft of motor with reciprocating movement links to each other, and a tooth bar, this tooth bar and described pinion and be installed on the inner surface of described mobile cover.
5. kitchen air exhaust hood as claimed in claim 4, wherein said suction bucket moving assembly comprises:
A forward/backward just moves changes/motor with reciprocating movement, and it is installed in the inside of the bottom of described mobile cover, in order to move described suction bucket in the horizontal direction by the electric power that is provided by a power supply;
A ball screw, what be connected in that described forward/backward moves just changes/output shaft of motor with reciprocating movement;
A slide unit is being formed on the described suction bucket in the gap of the upper surface preset distance of described suction bucket;
A guide member be formed at the following curved edge of described mobile cover, and the two ends of described slide unit is slidably mounted on this guide member by bearing all; And
A ball nut is installed on the described slide unit and with described ball screw and meshes.
6. kitchen air exhaust hood as claimed in claim 5 further comprises the wind hole of a plurality of downward guiding, and described wind hole is formed on the edge of the basal surface of described suction bucket with long hole forms, and
Exhaust fan is arranged in the described downward guiding wind hole, is used for discharging air with predetermined pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101062161A CN101101134A (en) | 2006-07-04 | 2006-07-04 | kitchen air exhaust hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101062161A CN101101134A (en) | 2006-07-04 | 2006-07-04 | kitchen air exhaust hood |
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| CN101101134A true CN101101134A (en) | 2008-01-09 |
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| CNA2006101062161A Pending CN101101134A (en) | 2006-07-04 | 2006-07-04 | kitchen air exhaust hood |
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2006
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Open date: 20080109 |