CN206330185U - A kind of range hood - Google Patents

A kind of range hood Download PDF

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Publication number
CN206330185U
CN206330185U CN201621469350.3U CN201621469350U CN206330185U CN 206330185 U CN206330185 U CN 206330185U CN 201621469350 U CN201621469350 U CN 201621469350U CN 206330185 U CN206330185 U CN 206330185U
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China
Prior art keywords
cleaner screen
oil cleaner
layer oil
range hood
outer layer
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CN201621469350.3U
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Chinese (zh)
Inventor
何立博
徐群浪
茅忠群
诸永定
申志贤
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Ningbo Fotile Kitchen Ware Co Ltd
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Ningbo Fotile Kitchen Ware Co Ltd
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Priority to CN201621469350.3U priority Critical patent/CN206330185U/en
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Abstract

A kind of range hood, including casing, the blower fan in casing, the exhaust fume collecting hood below casing and the oil cleaner screen for being arranged on exhaust fume collecting hood air inlet, it is characterised in that:The oil cleaner screen is the double-decker being made up of internal layer oil cleaner screen and outer layer oil cleaner screen, and, also include transfer bar mechanism, a wherein metafiltration oil network in described internal layer oil cleaner screen and outer layer oil cleaner screen relatively another metafiltration oil network can be relatively moved under the driving of the transfer bar mechanism, so as to change the spacing between two layers of oil cleaner screen.The utility model has the advantage of:The range hood can drive relatively another metafiltration oil network of a wherein metafiltration oil network in internal layer oil cleaner screen and outer layer oil cleaner screen to relatively move by transfer bar mechanism, so as to change the access space between internal layer oil cleaner screen and outer layer oil cleaner screen, and then the air quantity change of range hood is adjusted, range hood is in optimum Working all the time.

Description

A kind of range hood
Technical field
The utility model is related to a kind of range hood.
Background technology
The oil cleaner screen of existing range hood is typically fixedly arranged on exhaust fume collecting hood, i.e., oil cleaner screen will not be with range hood The change progress self-adaptative adjustment of operating mode, the range hood that this oil cleaner screen is fixedly mounted, its air-admitting surface is usually can not Adjust, i.e., intelligence degree is relatively low.The adjustable range hood of air intake surface, such as Application No. are disclosed in the prior art Disclosed in 201410443175.X (application publication number is CN 104296210A) Chinese invention patent application《One kind lifting The range hood in adjusting air inlet face》, the range hood includes wind cabinet includes framework with the exhaust fume collecting hood in wind bottom of cabinet portion, wind cabinet is placed in With the main frame for being built in framework and being lifted along framework, frame roof is provided with main frame lowering or hoisting gear, in main frame side provided with least One auxiliary air inlet mouthful.Although the range hood in wind cabinet by setting liftable main frame, but flexible modulation lampblack absorber The distance of air intake surface and cooking range furnace end, greatly improves fume-exhausting efficiency, by setting up auxiliary air inlet mouthful, phase in main frame side The air draught open area of range hood should be added, makes clean absorption rate higher, still, the incoming air area and rotation speed of fan of the range hood It can not be automatically adjusted according to the change of fan outlet pressure, intelligence degree is relatively low.
In addition, though the oil cleaner screen of double-deck oil strain web frame is had been disclosed in the prior art, but these oil cleaner screens are installed After finishing, the spacing between two layers of oil cleaner screen can not be adjusted.Such as Patent No. 201020541690.9, (Authorization Notice No. is CN 201836954U) Chinese utility model patent disclosed in《Oil-filtering apparatus and range hood used for range hood》, the filter Oily device has double-decker, including orifice plate screen pack and the silk screen being fixed on the inside of plate hole screen pack, silk screen positioned at outer layer Provided with several mesh, plate hole screen pack is provided with several fresh air inlets, and all air intake hole areas of plate hole screen pack account for orifice plate screen pack The 50~56% of the gross area.Although the filter can guarantee that oil smoke is fully contacted with oil-filtering apparatus, maximum possible makes oil smoke point From can guarantee that certain incoming air area again, air quantity and air loss are small, had using the range hood of the filter sufficiently large Suction, still, the spacing between the orifice plate screen pack and silk screen of the filter can not be adjusted, i.e., incoming air area can not be with suction The working conditions change of lampblack absorber carries out self-adaptative adjustment, and intelligence degree is relatively low.
Utility model content
Technical problem to be solved in the utility model be for above-mentioned state of the art there is provided one kind it is simple in construction, The range hood that the air intake gap of double-deck oil cleaner screen can be adjusted.
The utility model solve the technical scheme that is used of above-mentioned technical problem for:The range hood, including casing, be located at Blower fan in casing, the exhaust fume collecting hood below casing and the oil cleaner screen for being arranged on exhaust fume collecting hood air inlet, it is characterised in that: The oil cleaner screen is the double-decker being made up of internal layer oil cleaner screen and outer layer oil cleaner screen, also, also includes transfer bar mechanism, described Internal layer oil cleaner screen and outer layer oil cleaner screen in a wherein metafiltration oil network can under the driving of the transfer bar mechanism relatively another layer Oil cleaner screen is relatively moved, so as to change the spacing between two layers of oil cleaner screen.
Preferably, described casing includes accommodating blower fan blower hood wherein and is located at outside blower hood Decorative Cover.
As a kind of preferred scheme, the transfer bar mechanism is inside the blower hood, the driving of the transfer bar mechanism Output end is connected on the internal layer oil cleaner screen, and the outer layer oil cleaner screen is fixed on the exhaust fume collecting hood, the internal layer oil cleaner screen Moved up and down under the driving of transfer bar mechanism relative to outer layer oil cleaner screen.Under the program, internal layer oil cleaner screen is movable oil cleaner screen.
Moved left and right to prevent that internal layer oil cleaner screen from producing during moving up and down, it is preferable that in the outer layer oil strain It is convex around net to be provided with lead column, through hole is provided with the correspondence position of the internal layer oil cleaner screen, the lead column is all the time It is plugged in corresponding through hole.
As another preferred scheme, installation cavity, the transfer bar mechanism are formed between the Decorative Cover and blower hood In described installation cavity, also, the drive output of transfer bar mechanism extends downwardly from the installation cavity and is connected to institute On the outer layer oil cleaner screen stated, the internal layer oil cleaner screen is fixed on the exhaust fume collecting hood, and the outer layer oil cleaner screen is in transfer bar mechanism Moved up and down under driving relative to internal layer oil cleaner screen.Under the program, outer layer oil cleaner screen is movable oil cleaner screen.
Transfer bar mechanism can have various structures, it is preferable that described transfer bar mechanism include mounting bracket, motor, transmission mechanism, Elevating lever, connector and guide rail, the transmission mechanism are arranged on mounting bracket and driven by the motor, and the elevating lever is at least There are two and located at the both sides of the mounting bracket, the lower end of elevating lever is connected on the outer layer oil cleaner screen, the connector connects It is connected between elevating lever and transmission mechanism, at least two, the guide rail and the both sides for being separately mounted to the mounting bracket are described Transmission mechanism drive connection part makees elevating movement along the guide rail, and then the elevating lever and outer layer oil cleaner screen is made synchronous rise Drop motion.
Mounting bracket and connector can have various structures, it is preferable that the mounting bracket has foreboard, left plate and right side Plate, the motor and transmission mechanism are arranged on the foreboard, and the guide rails assembling is described on the left plate and right plate Connector is the U-shaped connecting plate on the outside of the mounting bracket, and the correspondence of the U-shaped connecting plate is installed in the upper end of the elevating lever Sidepiece, the sidepiece of U-shaped connecting plate coordinates with the slide of respective side respectively, the front side portion connection of the U-shaped connecting plate In the output end of the transmission mechanism.
In order to avoid transmission mechanism produces noise and shake in the course of the work so that its operation conditions can be all the time in most Good state, it is preferable that the transmission mechanism includes screw mandrel, the first nut, the second nut and spring, the screw mandrel is vertically arranged simultaneously It is rotated by the motor, first nut and the second nut are sequentially arranged on the screw mandrel from top to bottom, described Spring is set on screw mandrel and located between the first nut and the second nut, first nut is used for connecting described connection Part, the spring has elastic force straight up to the first nut, so avoid the first nut in motion process because with silk Fit clearance between bar and produce shock with screw mandrel.
In order to prevent under range hood off-mode, the undischarged flue gas of range hood is got in, it is preferable that in oil suction Under cigarette machine off-mode, the internal layer oil cleaner screen fits with outer layer oil cleaner screen.
Compared with prior art, the utility model has the advantage of:In the range hood can be driven by transfer bar mechanism Relatively another metafiltration oil network of a wherein metafiltration oil network in metafiltration oil network and outer layer oil cleaner screen is relatively moved, so as to change internal layer Access space between oil cleaner screen and outer layer oil cleaner screen, and then the air quantity change of range hood is adjusted, range hood is located all the time In optimum Working.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 removes the structural representation after Decorative Cover for range hood shown in Fig. 1;
Fig. 3 is the structural representation (removing blower hood front side board) of another angle of the utility model embodiment one;
Fig. 4 is the internal structure schematic diagram of the utility model embodiment one;
Fig. 5 is the perspective exploded view of the oil cleaner screen of the utility model embodiment one;
Fig. 6 is the control flow chart of the utility model embodiment;
Fig. 7 is the structural representation of the utility model embodiment two;
Fig. 8 is structure sectional view of the utility model embodiment two under the non-decline state of outer metafiltration oil network;
Fig. 9 is structural representation of the utility model embodiment two under outer metafiltration oil network decline state;
Figure 10 is the internal structure schematic diagram of the utility model embodiment two;
Figure 11 is the structural representation of the transfer bar mechanism of the utility model embodiment two;
Figure 12 be Figure 11 in remove the structural representation after screw mandrel cover.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one:
As shown in Figures 1 to 5, the range hood in the present embodiment includes Decorative Cover 1, blower hood 2, exhaust fume collecting hood 3, blower fan The primary clustering such as 4 and oil cleaner screen, wherein, the casing of Decorative Cover 1 and the composition range hood of blower hood 2, Decorative Cover 1 is located at wind Outside machine outer cover 2, exhaust fume collecting hood 3 is located at the lower section of blower hood 2, and blower fan 4 is inside blower hood 2, and oil cleaner screen is located at exhaust fume collecting hood 3 Air inlet, said structure is the conventional structure of existing range hood.
The range hood of the present embodiment also includes controller (not shown), transfer bar mechanism 7 and pressure sensor 8, pressure Electric signal is connected between the signal output part of sensor 8 and the signal input part of controller, and controller passes through the pressure that receives The output signal of sensor 8 controls the rotating speed of blower fan 4 and the stroke of transfer bar mechanism 7.Wherein, pressure sensor 8 is arranged on wind At the air outlet of machine 4 and for detection blower fan air outlet pressure change, oil cleaner screen is by internal layer oil cleaner screen 5 and the structure of outer layer oil cleaner screen 6 Into double-decker.
In the present embodiment, internal layer oil cleaner screen 5 is movable oil cleaner screen, and outer layer oil cleaner screen 6 is fixed oil cleaner screen.Outer layer oil cleaner screen 6 are fixed on exhaust fume collecting hood 3, and transfer bar mechanism 7 is inside blower hood 2, and the drive output of transfer bar mechanism 7 is connected to interior metafiltration In oil network 5, internal layer oil cleaner screen 5 moves up and down under the driving of transfer bar mechanism 7 relative to outer layer oil cleaner screen 6, so that in changing Spacing between metafiltration oil network 5 and outer layer oil cleaner screen 6.The motor positive and inverse of transfer bar mechanism 7 is controlled by controller, and then to drive Internal layer oil cleaner screen 5 moves up and down.Also, it is up and down in order to which internal layer oil cleaner screen 5 is limited in, in the week of outer metafiltration oil network 6 Enclose it is convex be provided with lead column 61, be provided with through hole 51 on the correspondence position of interior metafiltration oil network 5, lead column 61 is plugged in pair all the time In the through hole 51 answered.
Controller is the main control chip on power panel, and controller is accordingly produced according to the output signal of pressure sensor 8 The raw control signal for being used for controlling blower motor rotating speed and the stroke of transfer bar mechanism 7, enable range hood realize motor speed and Oil cleaner screen incoming air area and the automatic adaptation of range hood operating mode, make range hood be in optimum Working all the time.
In the present embodiment, under range hood off-mode, internal layer oil cleaner screen 5 can be moved downward to and outer layer oil cleaner screen 6 The position fitted.After internal layer oil cleaner screen 5 fits with outer layer oil cleaner screen 6, air inlet of kitchen ventilator closing, so as to prevent Under range hood off-mode, the undischarged flue gas of range hood is got in, to pollute room air.
As shown in fig. 6, the intelligent control method of the range hood comprises the following steps:
1. range hood, is started, controller makes blower motor be in original state, and internal layer oil cleaner screen is in initial bit Put;
2., pressure sensor detects flue resistance, and judges the running status of blower motor under the conditions of same resistance, if electric Machine rotating speed is higher, then points out user to need cleaning impeller or oil cleaner screen, if motor speed is normal, be directly entered next step;
3., the position of the new motor status of controller calculating and above-mentioned internal layer oil cleaner screen;
4. the position of internal layer oil cleaner screen, is detected, if being not in target location, controller control transfer bar mechanism adjustment internal layer The position of oil cleaner screen;If in target location, internal metafiltration oil network position is not adjusted;
5., electric machines test module detection motor current operating conditions, if off-duty is in dbjective state, controller control electricity Machine drive module adjusts motor operating state, if operating in dbjective state, motor speed is not adjusted.
In Fig. 6, interior oil network is the internal layer oil cleaner screen 5 in the present embodiment, and outer oil network is the outer metafiltration in the present embodiment Oil network 6.
In addition, the range hood of the present embodiment is provided with the sensing for detecting internal layer oil cleaner screen position on transfer bar mechanism Device (not shown), controller judges the position of internal layer oil cleaner screen by receiving the output signal of the sensor.
Embodiment two:
As shown in Figure 7 to 9, the range hood of the present embodiment forms installation cavity 9 between Decorative Cover 1 and blower hood 2, Transfer bar mechanism 7 is arranged in installation cavity 9.Internal layer oil cleaner screen 5 is fixed oil cleaner screen, and outer layer oil cleaner screen 6 is movable oil cleaner screen, internal layer Oil cleaner screen 5 is fixed on exhaust fume collecting hood 3, and the drive output of transfer bar mechanism 7 extends downwardly from installation cavity 9 and is connected to outer layer oil strain On net 6, outer layer oil cleaner screen 6 moves up and down under the driving of transfer bar mechanism 7 relative to internal layer oil cleaner screen 5, so as to change internal layer Spacing between oil cleaner screen 5 and outer layer oil cleaner screen 6.Because installation cavity 9 and oil smoke completely cut off, thus transfer bar mechanism 7 is arranged on peace In behaveing affectedly, transfer bar mechanism 7 can be avoided to be in contact with oil smoke, so that move more smoothly beneficial to outer layer oil cleaner screen 6, and raising is pushed away The service life of linkage 7.
As shown in 10 to Figure 12, the transfer bar mechanism 7 in the present embodiment includes mounting bracket 71, motor 72, transmission mechanism 73, liter Bar 74, connector and guide rail 75 drop.Wherein, mounting bracket 71 has foreboard 711, left plate 712 and right plate 713, the He of motor 72 Transmission mechanism 73 is arranged on foreboard 711, and transmission mechanism 73 is located at the centre of foreboard 711 and driven by motor 72.Elevating lever 74 are vertically arranged, and elevating lever 74 has two and located at the both sides of mounting bracket 71, and connector is the U-shaped company located at the outside of mounting bracket 71 Fishplate bar 76, the lower end of elevating lever 74 is connected on outer layer oil cleaner screen 6, and the correspondence of U-shaped connecting plate 76 is installed in the upper end of elevating lever 74 Sidepiece.Guide rail 75 has two and is vertically installed at respectively on the left plate 712 and right plate 713 of mounting bracket 71, U-shaped connecting plate 76 Guide rail 75 of the sidepiece respectively with respective side be slidably matched, and the front side portion of U-shaped connecting plate 76 is connected to the defeated of transmission mechanism 73 Go out on end.During work, motor 72 drives U-shaped connecting plate 76 to make elevating movement along guide rail 75 by transmission mechanism 73, and then makes Elevating lever 74 and outer layer oil cleaner screen 6 make synchronization lifting motion.
Transmission mechanism 73 in the present embodiment uses leading screw and nut mechanism, its specifically include screw mandrel 730, the first nut 731, Second nut 732 and spring 733, screw mandrel 730 is vertically arranged and is rotated by motor 72, the first nut 731 and the second spiral shell Mother 732 is sequentially arranged on screw mandrel 730 from top to bottom, and spring 733 is set on screw mandrel 730 and located at the first nut 731 and the Between two nuts 732, screw mandrel cover 734 is located at outside screw mandrel 730.First nut 731 is used for connecting U-shaped connecting plate 76, spring 733 pair of first nut 731 has elastic force straight up, so avoid the first nut 731 in motion process because with screw mandrel Fit clearance between 730 and produce shock with screw mandrel.
The intelligent control method of range hood may be referred to embodiment one in the present embodiment, herein not reinflated description.

Claims (9)

1. a kind of range hood, including casing, the blower fan (4) in casing, the exhaust fume collecting hood (3) below casing and set Put the oil cleaner screen in exhaust fume collecting hood (3) air inlet, it is characterised in that:The oil cleaner screen is by internal layer oil cleaner screen (5) and outer metafiltration The double-decker that oil network (6) is constituted, also, also include transfer bar mechanism (7), described internal layer oil cleaner screen (5) and outer layer oil strain A wherein metafiltration oil network in net (6) relatively another metafiltration oil network can be relatively moved under the driving of the transfer bar mechanism (7), So as to change the spacing between two layers of oil cleaner screen.
2. range hood according to claim 1, it is characterised in that:Described casing includes accommodating blower fan (4) wherein Blower hood (2) and the Decorative Cover (1) that is located at outside blower hood (2).
3. range hood according to claim 2, it is characterised in that:The transfer bar mechanism (7) is located at the blower hood (2) internal, the drive output of the transfer bar mechanism (7) is connected on the internal layer oil cleaner screen (5), the outer layer oil cleaner screen (6) it is fixed on the exhaust fume collecting hood (3), the internal layer oil cleaner screen (5) is under the driving of transfer bar mechanism (7) relative to outer layer oil strain Net (6) moves up and down.
4. range hood according to claim 3, it is characterised in that:It is convex around the outer layer oil cleaner screen (6) Provided with lead column (61), through hole (51) is provided with the correspondence position of the internal layer oil cleaner screen (5), the lead column (61) is all the time It is plugged in corresponding through hole (51).
5. range hood according to claim 2, it is characterised in that:Shape between the Decorative Cover (1) and blower hood (2) Into there is installation cavity (9), the transfer bar mechanism (7) is arranged in described installation cavity (9), also, the driving of transfer bar mechanism (7) is defeated Go out end to extend downwardly from the installation cavity (9) and be connected on described outer layer oil cleaner screen (6), the internal layer oil cleaner screen (5) is solid It is scheduled on the exhaust fume collecting hood (3), the outer layer oil cleaner screen (6) is under the driving of transfer bar mechanism (7) relative to internal layer oil cleaner screen (5) Move up and down.
6. range hood according to claim 5, it is characterised in that:Described transfer bar mechanism (7) include mounting bracket (71), Motor (72), transmission mechanism (73), elevating lever (74), connector and guide rail (75), the transmission mechanism (73), which is arranged on, installs On frame (71) and by the motor (72) driving, the elevating lever (74) at least two and located at the two of the mounting bracket (71) Side, the lower end of elevating lever (74) is connected on the outer layer oil cleaner screen (6), and the connector is connected to elevating lever (74) and transmission Between mechanism (73), the guide rail (75) at least two and the both sides for being separately mounted to the mounting bracket (71), the transmission Mechanism (73) drive connection part makees elevating movement along the guide rail (75), and then makes the elevating lever (74) and outer layer oil cleaner screen (6) synchronization lifting motion is made.
7. range hood according to claim 6, it is characterised in that:The mounting bracket (71) has foreboard (711), left side Plate (712) and right plate (713), the motor (72) and transmission mechanism (73) are arranged on the foreboard (711), the guide rail (75) it is arranged on the left plate (712) and right plate (713), the connector is on the outside of the mounting bracket (71) U-shaped connecting plate (76), the upper end of the elevating lever (74) is installed by the respective sides of the U-shaped connecting plate (76), U-shaped connecting plate (76) sidepiece is slidably matched with the guide rail (75) of respective side respectively, and the front side portion of the U-shaped connecting plate (76) is connected to In the output end of the transmission mechanism (73).
8. range hood according to claim 6, it is characterised in that:The transmission mechanism (73) includes screw mandrel (730), the One nut (731), the second nut (732) and spring (733), the screw mandrel (730) is vertically arranged and is driven in the motor (72) Dynamic lower rotation, first nut (731) and the second nut (732) are sequentially arranged on the screw mandrel (730) from top to bottom, institute Spring (733) is stated to be set on screw mandrel (730) and be located between the first nut (731) and the second nut (732), first spiral shell Female (731) are used for connecting described connector, and the spring (733) has elastic force straight up to the first nut (731), And then avoid the first nut (731) from producing shock with screw mandrel because of the fit clearance between screw mandrel (730) in motion process.
9. the range hood according to any claim in claim 1 to 8, it is characterised in that:In range hood shutdown Under state, the internal layer oil cleaner screen (5) fits with outer layer oil cleaner screen (6).
CN201621469350.3U 2016-12-29 2016-12-29 A kind of range hood Active CN206330185U (en)

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Application Number Priority Date Filing Date Title
CN201621469350.3U CN206330185U (en) 2016-12-29 2016-12-29 A kind of range hood

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018120259A1 (en) * 2016-12-29 2018-07-05 宁波方太厨具有限公司 Lifting mechanism with movable component and for range hood, and range hood using lifting mechanism
CN108253481A (en) * 2016-12-29 2018-07-06 宁波方太厨具有限公司 A kind of range hood
CN108286726A (en) * 2018-04-20 2018-07-17 河南杰川计算机科技有限公司 A kind of oil smoke draw-out device to freeze
CN108592104A (en) * 2018-03-26 2018-09-28 西安交通大学 A kind of range hood containing built-in oil cleaner screen
CN109405002A (en) * 2017-08-16 2019-03-01 宁波方太厨具有限公司 A kind of range hood and its control method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018120259A1 (en) * 2016-12-29 2018-07-05 宁波方太厨具有限公司 Lifting mechanism with movable component and for range hood, and range hood using lifting mechanism
CN108253481A (en) * 2016-12-29 2018-07-06 宁波方太厨具有限公司 A kind of range hood
CN109405002A (en) * 2017-08-16 2019-03-01 宁波方太厨具有限公司 A kind of range hood and its control method
CN109405002B (en) * 2017-08-16 2024-01-16 宁波方太厨具有限公司 Range hood and control method thereof
CN108592104A (en) * 2018-03-26 2018-09-28 西安交通大学 A kind of range hood containing built-in oil cleaner screen
CN108286726A (en) * 2018-04-20 2018-07-17 河南杰川计算机科技有限公司 A kind of oil smoke draw-out device to freeze

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