CN103925624A - Oil fume exhaust machine having function of prevention of hand and other things from pinching by panel - Google Patents

Oil fume exhaust machine having function of prevention of hand and other things from pinching by panel Download PDF

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Publication number
CN103925624A
CN103925624A CN201310010364.3A CN201310010364A CN103925624A CN 103925624 A CN103925624 A CN 103925624A CN 201310010364 A CN201310010364 A CN 201310010364A CN 103925624 A CN103925624 A CN 103925624A
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China
Prior art keywords
panel
motor
switch
stop
lampblack absorber
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Pending
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CN201310010364.3A
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Chinese (zh)
Inventor
关建新
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关建新
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Priority to CN201310010364.3A priority Critical patent/CN103925624A/en
Publication of CN103925624A publication Critical patent/CN103925624A/en
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Abstract

The invention relates to an oil fume exhaust machine having a function of prevention of hand and other things from pinching by a panel. The oil fume exhaust machine comprises a cabinet, a volute and a wind wheel, wherein the front end of the cabinet is provided with a smoke suction port, and an oil filtration screen is arranged between the smoke suction port and the volute. The oil fume exhaust machine is characterized in that both sides of the smoke suction port are symmetrically provided with linear guide rails, the guide rail is provided with a rack plate engaged with a drive gear, the drive gear is arranged on a drive motor, a panel is arranged outside the rack plate so as to be used for covering the smoke suction port, the drive motor is electrically connected with a control circuit, and the control circuit is further provided with an upper position limitation switch and a lower position limitation switch for controlling stroke of the panel, and an anti-pinching position limitation switch. The oil fume exhaust machine has the following beneficial effects that: a section of the anti-pinching gas can exist during the closing process of the panel to remind the user to pay attention to safety, and the gas is completely closed after being upward opened a certain distance so as to avoid injury.

Description

The lampblack absorber with panel pinch resistant functionality
Technical field
The present invention relates to a kind of kitchen appliance, specifically a kind of lampblack absorber with panel pinch resistant functionality.
Background technology
Progress along with human civilization, in daily kitchen range, smoke exhaust field, the shielding of oil smoke, separation and discharge problem because of improvement and the people of the seal of modern room more and more higher to the requirement of living environment, in existing lampblack absorber, the deflector of lampblack absorber is generally all fixedly mounted on panel, not only takies kitchen space, and its smoking port is always in opening, not only affect lampblack absorber outward appearance, particularly service time, lampblack absorber long and that do not have to clean was even more serious; In the house of modern metropolitan cities, mostly adopt common exhaust pipe road, easily cause oil smoke to pour in down a chimney, and pollute room air.China Patent No. 20101096655.2 also once proposed the lampblack absorber that a kind of deflector can folding, be primarily characterized in that: deflector by driven by motor transmission device by deflector integral body to the outside translation of lampblack absorber out, make to separate between deflector and lampblack absorber, oil smoke enters in lampblack absorber from separated gap.But owing to being subject to the restriction of structure, when releasing forward, deflector integral body can increase the thickness of body, the deflector gouge that user is easily pushed out in use.Moreover, when the oil smoke in kitchen tools enters in lampblack absorber through deflector, part oil smoke or steam easily liquefy in its surface and form water droplet or oil droplet after contacting with deflector, the deflector of now opening is just in time positioned at pan top, therefore oil droplet or water droplet just easily splash in pan, are unfavorable for food hygiene.
For overcoming above-mentioned defect, China Patent No. 201120231194.8 has proposed a kind of deflector opposite opened range hood, it is characterized in that: at exhaust fume collecting hood inner cavity upper and lower, driving wheel and the synchronizing wheel that either-rotation motor drives is housed respectively, between driving wheel and driven pulley, Timing Belt is installed, utilize Timing Belt to drive deflector to slide up and down at exhaust fume collecting hood, play the effect of opening and closing deflector.But the range hood structure of this structure is complicated, and while closing in cigarette office, deflector is closed does not have safety device, when user's hand or other thing put in range hood working region, can be easy to clip to.Therefore, be necessary further improvement.
Summary of the invention
Object of the present invention aims to provide a kind of simple and reasonable, and production and processing is convenient, good looking appearance, and panel is provided with anti-pinch safety guard, to overcome the deficiencies in the prior art part.
The present invention seeks to realize with the following methods: a kind of lampblack absorber with panel pinch resistant functionality, it comprises rack, spiral case, wind wheel, rack front end is provided with smoking port, between smoking port and spiral case, be provided with oil cleaner screen, it is characterized in that: described smoking port bilateral symmetry is provided with line slideway, rack-plate with driven wheel engagement is installed on guide rail, described driven wheel is arranged on drive motors, rack-plate is provided with panel outward for hiding smoking port, described drive motors is electrically connected to control circuit, the upper limit position switch of control panel stroke is also installed on described control circuit, lower position switch, with anti-pinch limit switch.
Described upper limit position switch, lower position switch, and anti-pinch limit switch is mechanical type touching switch.
Described upper limit position switch, lower position switch, and anti-pinch limit switch is optoelectronic switch.
Described anti-pinch limit switch is arranged on the below of lower position switch, produces the signal of telecommunication at panel during apart from the 10mm of closure place.
Described driven wheel is driving gear and the driven gear that corresponding teeth batten arranges, and between two gears, by rotating shaft, is connected.
The flow process of described drive motors motion is: user selects unlatching → motor forward to open panel → panel touching upper limit position switch, stop → user of motor selects close → motor reversal touching clamping prevention switch to stop 3S/ forward 2S → motor reversal → panel touching lower position switch, panel is closed completely, motor stop motion.
On described control circuit, be provided with the cyclelog of controlling drive motors rotation time and direction.
The flow process that described cyclelog is controlled drive motors motion is: user selects unlatching → motor forward 15S to open panel → panel and arrives highest line journey, after stop → user of motor selects close → motor reversal 5S, stop → time delay 3S rear motor continuation reversion 5S → panel is closed, motor stop motion.
The flow process that described cyclelog is controlled drive motors motion is: it is the highest spacing that user selects unlatchings → motor forward 15S to open panel → panel arrival, after close → motor reversal of stop → user of motor selection 5S, after stop → motor forward 2S, stop → motor reversal 7S → panel is closed, motor stop motion.
The invention has the beneficial effects as follows: 1) simple in structure, production cost is low, improve the market competitiveness.2) panel can slide up and down switching, only takies the kitchen space on lampblack absorber top after unlatching, avoid traditional front open type deflector to open after easily and user collide with and damage.3) panel can leave one section of anti-pinch gap in closing process, and call user's attention safety is closed after upwards opening a segment distance more completely, with finger, avoids injury.4) no longer need increase to realize anti-pinch effect as touching device, with lower cost, realize the significantly raising of properties of product, there is very strong practical value and economic worth, safe and reliable, there is not the phenomenon that crushes people or article.
Accompanying drawing explanation
Fig. 1 is general assembly design sketch in the present invention.
Fig. 2,3 internal structure schematic diagrames of the present invention.
The partial structurtes enlarged drawing of Fig. 3 in Fig. 4 the present invention.
Fig. 5 is middle rack plate of the present invention and lampblack absorber installation diagram.
Fig. 6 is the partial structurtes enlarged drawing of Fig. 5 in the present invention.
Fig. 7 is one of panel workflow diagram of the present invention.
Fig. 8 is two of panel workflow diagram of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is made to concrete further instruction.A kind of lampblack absorber with panel pinch resistant functionality, it comprises rack 1, spiral case 2, wind wheel 21, rack 1 front end is provided with smoking port 3, between smoking port 3 and spiral case, be provided with oil cleaner screen 4, it is characterized in that: described smoking port 3 bilateral symmetry are provided with line slideway 5, rack-plate 51 with driven wheel engagement is installed on guide rail, described driven wheel is arranged on drive motors 7, rack-plate 51 is outer is provided with panel 6 for hiding smoking port 3, described drive motors 7 is electrically connected to control circuit, the upper limit position switch 11 of control panel stroke is also installed on described control circuit, lower position switch 12, with anti-pinch limit switch 13.
Described upper limit position switch 11, lower position switch 12, and anti-pinch limit switch 13 is mechanical type touching switch.
Described upper limit position switch 11, lower position switch 12, and anti-pinch limit switch 13 is optoelectronic switch.
Described anti-pinch limit switch 13 is arranged on the below of lower position switch 12, produces the signal of telecommunication when panel 6 10mm of the closed place of distance.
Described driven wheel is by rotating shaft 73, to be connected between the driving gear 71 that arranges of corresponding teeth batten 51 and driven gear 72, two gears.
The flow process of described drive motors motion is: user selects unlatching → motor forward to open panel → panel touching upper limit position switch, stop → user of motor selects close → motor reversal touching clamping prevention switch to stop 3S/ forward 2S → motor reversal → panel touching lower position switch, panel is closed completely, motor stop motion.
On described control circuit, be provided with the cyclelog of controlling drive motors 7 rotation times and direction.
The flow process that described cyclelog is controlled drive motors motion is: user selects unlatching → motor forward 15S to open panel → panel and arrives highest line journey, after stop → user of motor selects close → motor reversal 5S, stop → time delay 3S rear motor continuation reversion 5S → panel is closed, motor stop motion.
The flow process that described cyclelog is controlled drive motors motion is: it is the highest spacing that user selects unlatchings → motor forward 15S to open panel → panel arrival, after close → motor reversal of stop → user of motor selection 5S, after stop → motor forward 2S, stop → motor reversal 7S → panel is closed, motor stop motion.
Operation principle: when user selects to open suction function, control system makes drive motors 7 rotate, drives driving gear 71 and driven gear 72 to rotate, and driving gear batten moves upward indirectly, makes panel opening, controls wind wheel 21 rotations simultaneously and starts smoking work.When panel arrives upper limit position switch position, control system makes drive motors 7 stop motions, and panel is always in open mode.When user selects to close lampblack absorber, drive motors 7 reversions, make panel slowly closing.User's quilt cover plate holder wound in order to prevent from closing panel wherein, or there are other foreign matters to stop that panel normally closes, therefore it is spacing to be provided with anti-pinch on rack, when panel arrival anti-pinch is spacing, panel suspends downward closing movement, arrives time out rear board and closes downwards, until touch lower position switch, drive motors stop motion, kitchen ventilator panel is closed completely.Or when panel arrives anti-pinch when spacing, drive motors reverses at once, close completely again after making panel upwardly open a segment distance.Wherein clamping prevention switch is arranged on apart from panel and completely closes between 10-25mm and be advisable, because if when user stretches in panel by hand or other body parts, this big or small space can make panel touch human body, when being unlikely to crush user, reminding user departs from time in lampblack absorber.
Wherein it should be noted that: the anti-pinch of panel is spacing except using above-mentioned switch control mode, can also service time control mode, because the rotating speed of drive motors is more stable, therefore control system can be controlled after motor drives panel to cut out the regular hour, suspend a period of time, then close panel.Or after closing a period of time, reverse again openable panel a period of time, then close panel until panel to touch lower switch spacing, motor stop motion, completes closing process to this panel.Use above-mentioned control mode to have the following advantages: while 1) using lead limit switch to control, can avoid the impact of the interior severe working environment of lampblack absorber on limit switch, guarantee that system run all right is reliable.2) while using timing spacing, can simplified control system components and parts, Position Control is accurate, and production cost is low, and the market competitiveness is strong.3) kitchen ventilator panel has pinch resistant functionality, and in the time of can avoiding traditional lampblack absorber to use, the easy pent panel of user crushes.
Said structure not only can be used in upper and lower slippage and open and close on the lampblack absorber of panel, also position limiting structure can be directly used in to left and right and open and close, or the lampblack absorber of rotating open-close type panel is used, and its operation principle is same as the previously described embodiments, therefore superfluous no longer in detail.
Obviously, above-described embodiment is only for example is clearly described, and the not restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And the apparent variation of being extended out thus or change are still among the protection domain of the claims in the invention.

Claims (9)

1. a lampblack absorber with panel pinch resistant functionality, it comprises rack (1), spiral case (2), wind wheel (21), rack (1) front end is provided with smoking port (3), between smoking port (3) and spiral case, be provided with oil cleaner screen (4), it is characterized in that: described smoking port (3) bilateral symmetry is provided with line slideway (5), rack-plate (51) with driven wheel engagement is installed on guide rail, described driven wheel is arranged on drive motors (7), rack-plate (51) is outer is provided with panel (6) for hiding smoking port (3), described drive motors (7) is electrically connected to control circuit, the upper limit position switch (11) of control panel stroke is also installed on described control circuit, lower position switch (12), with anti-pinch limit switch (13).
2. the lampblack absorber with panel pinch resistant functionality according to claim 1, is characterized in that: described upper limit position switch (11), lower position switch (12), and anti-pinch limit switch (13) is mechanical type touching switch.
3. the lampblack absorber with panel pinch resistant functionality according to claim 1, is characterized in that: described upper limit position switch (11), lower position switch (12), and anti-pinch limit switch (13) is optoelectronic switch.
4. according to the lampblack absorber with panel pinch resistant functionality described in claim 2 or 3 any one, it is characterized in that: described anti-pinch limit switch (13) is arranged on the below of lower position switch (12), when panel (6) the distance 10mm of closed place, produce the signal of telecommunication.
5. the lampblack absorber with panel pinch resistant functionality according to claim 1, is characterized in that: described driven wheel is driving gear (71) and the driven gear (72) that corresponding teeth batten (51) arranges, and between two gears, by rotating shaft (73), is connected.
6. the lampblack absorber with panel pinch resistant functionality according to claim 1, it is characterized in that: the flow process of described drive motors motion is: user selects unlatching → motor forward to open panel → panel touching upper limit position switch, stop → user of motor selects close → motor reversal touching clamping prevention switch to stop 3S/ forward 2S → motor reversal → panel touching lower position switch, panel is closed completely, motor stop motion.
7. the lampblack absorber with panel pinch resistant functionality according to claim 1, is characterized in that: on described control circuit, be provided with the cyclelog of controlling drive motors (7) rotation time and direction.
8. the lampblack absorber with panel pinch resistant functionality according to claim 7, it is characterized in that: the flow process that described cyclelog is controlled drive motors motion is: user selects unlatching → motor forward 15S to open panel → panel and arrives highest line journey, after stop → user of motor selects close → motor reversal 5S, stop → time delay 3S rear motor continuation reversion 5S → panel is closed, motor stop motion.
9. the lampblack absorber with panel pinch resistant functionality according to claim 7, it is characterized in that: the flow process that described cyclelog is controlled drive motors motion is: it is the highest spacing that user selects unlatchings → motor forward 15S to open panel → panel arrival, after close → motor reversal of stop → user of motor selection 5S, after stop → motor forward 2S, stop → motor reversal 7S → panel is closed, motor stop motion.
CN201310010364.3A 2013-01-11 2013-01-11 Oil fume exhaust machine having function of prevention of hand and other things from pinching by panel Pending CN103925624A (en)

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Application Number Priority Date Filing Date Title
CN201310010364.3A CN103925624A (en) 2013-01-11 2013-01-11 Oil fume exhaust machine having function of prevention of hand and other things from pinching by panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310010364.3A CN103925624A (en) 2013-01-11 2013-01-11 Oil fume exhaust machine having function of prevention of hand and other things from pinching by panel

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Publication Number Publication Date
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105444234A (en) * 2015-12-28 2016-03-30 广东美的厨房电器制造有限公司 Method and device for controlling opening and closing of upper surface cover component of range hood
CN108561931A (en) * 2018-07-02 2018-09-21 珠海格力电器股份有限公司 Smoke deflector control method, device, kitchen ventilator and readable storage medium storing program for executing
CN108679679A (en) * 2018-08-15 2018-10-19 珠海格力电器股份有限公司 A kind of face plate of smoke exhaust ventilator folding control system, control method and its range hood
CN108679675A (en) * 2018-07-10 2018-10-19 珠海格力电器股份有限公司 Folding equipment closes control method, device, range hood and storage medium
CN111561723A (en) * 2020-05-21 2020-08-21 四川虹美智能科技有限公司 Control method and device for motion panel of range hood
CN112393307A (en) * 2017-11-06 2021-02-23 广东美的厨房电器制造有限公司 Range hood and control method of opening and closing panel assembly

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105444234A (en) * 2015-12-28 2016-03-30 广东美的厨房电器制造有限公司 Method and device for controlling opening and closing of upper surface cover component of range hood
CN105444234B (en) * 2015-12-28 2017-10-27 广东美的厨房电器制造有限公司 The folding control method and device of cap assemblies above range hood
CN112393307A (en) * 2017-11-06 2021-02-23 广东美的厨房电器制造有限公司 Range hood and control method of opening and closing panel assembly
CN108561931A (en) * 2018-07-02 2018-09-21 珠海格力电器股份有限公司 Smoke deflector control method, device, kitchen ventilator and readable storage medium storing program for executing
CN108561931B (en) * 2018-07-02 2019-10-01 珠海格力电器股份有限公司 Smoke deflector control method, device, kitchen ventilator and readable storage medium storing program for executing
CN108679675A (en) * 2018-07-10 2018-10-19 珠海格力电器股份有限公司 Folding equipment closes control method, device, range hood and storage medium
CN108679679A (en) * 2018-08-15 2018-10-19 珠海格力电器股份有限公司 A kind of face plate of smoke exhaust ventilator folding control system, control method and its range hood
CN111561723A (en) * 2020-05-21 2020-08-21 四川虹美智能科技有限公司 Control method and device for motion panel of range hood

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Application publication date: 20140716