CN102705876B - A kind of gas-cooker of the contactless output gas valve valve rod rotation angle signal of telecommunication - Google Patents

A kind of gas-cooker of the contactless output gas valve valve rod rotation angle signal of telecommunication Download PDF

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CN102705876B
CN102705876B CN201210146046.5A CN201210146046A CN102705876B CN 102705876 B CN102705876 B CN 102705876B CN 201210146046 A CN201210146046 A CN 201210146046A CN 102705876 B CN102705876 B CN 102705876B
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valve rod
gas
valve
spirillum
parts
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CN102705876A (en
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付建中
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Ningguo Long Term Intellectual Property Agency Co Ltd
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Abstract

The invention discloses the gas-cooker of a kind of contactless output gas valve valve rod rotation angle signal of telecommunication, including: the gas valve of gas-cooker, the valve rod of described gas valve is provided with shake-up parts, the head of these shake-up parts is provided with magnetic, corresponding Hall element is arranged on the fixed position for detecting this magnetic rotational angle, described magnetic, it is shaped as spirillum, described spirillum central shaft and the setting of described valve rod axis coinciding;The fixed position of Hall element be described spirillum highest point near above, gas valve corresponding to the fixed position of Hall element is the position of valve closing, gas valve be provided with make shake-up parts follow valve rod rotate and limit touch parts follow the position limiting structure that valve rod moves axially, being additionally provided with dry-reed tube switch, dry-reed tube switch is arranged on against the spirochetal termination away from Hall element;The present invention has simple in construction, good hand touch, safe and reliable, the beneficial effect of life-span length.

Description

A kind of gas-cooker of the contactless output gas valve valve rod rotation angle signal of telecommunication
Technical field
The present invention relates to a kind of gas-cooker, especially relate to be controlled by gas valve the combustion gas of smoke exhaust Stove.
Background technology
At present, the switch of existing mist extractor blower fan and the technology disclosure of the gas valve linkage of gas-cooker, relatively While many employing contact switch control blower fan, i.e. gas valve igniting, drive row by machine driving The switch motion of lampblack fan, so that the work of mist extractor blower fan, but, the rotating speed of mist extractor blower fan Can not adjust, therefore, when gas-cooker opens little fire, mist extractor blower fan can not regulate, meanwhile, for Emptying oil smoke as far as possible, existing power of fan does bigger and bigger, big current contact control mode, Pipe joint at built-in type cooker occurs being easy to set off an explosion during gas leakage.Employing infrared ray, Thermocouple sensor detects flare and then seems that complexity, cost are high, is also easy to damage, the cost of maintenance The most suitable height, somewhat by arranging temperature sensor or Smoke Sensor on smoke exhaust to detect oil Cigarette situation, owing to usually can be stained with oil on sensor, it is to avoid often not to safeguard, it is necessary to need Machine power consumption, wastes the energy.
Notification number CN 201074863Y, discloses the Intelligent gang control device of kitchen range and range hood, This control device is provided with firepower partitioned circuit plate, and this circuit board is by the rotation of kitchen range fire adjustment knob half Circle is divided into moderate heat, big fire and little fiery three conduction regions, and the valve rod of fire adjustment knob is provided with cunning Sheet switchs, and slide plate switch ends connects with conduction region.
Although this invention can detect the segmentation firepower signal of telecommunication, but can not gather and become continuously with firepower size The signal of telecommunication changed, is equivalent to fill three gear position sensor, has used contact technical scheme, deposited The life problems of mechanical wear is produced after contact.
Notification number CN 202140676U, discloses a kind of combustion gas that can detect any rotational angle of valve rod Valve, includes valve body;Valve rod;End cap is installed;Microswitch component;Microswitch depression bar;Its feature It is: on described valve rod, be also equipped with the angle of rotation that can export this valve rod relative to described installation end cap The sensor device of the degree signal of telecommunication.Described sensor device includes along described valve rod circumferentially disposed Resistance switch and the driving lever that can make electrical contact with described resistance switch all the time, described resistance switch is fixing even Being connected on described installation end lid, described driving lever is fixedly connected on described valve rod.
In prior art, the kind of angular sensor is a lot, have optics rotary encoder formula, Induction, coil induction type, condenser type, also potentiometer type, resistance-type etc., but how Gathering the anglec of rotation of testee, different angular sensors then has different particular technology sides Case, testee mechanically connects also because the type of sensor is different not from angular sensor With, according to this utility model disclosure, this technical scheme is by potentiometer type and resistance-type Form obtains the anglec of rotation, and employing is also to have contact technical scheme, equally exists the longevity of mechanical wear Life problem.
Summary of the invention
The present invention is according to above not enough, it is provided that a kind of contactless output gas valve valve rod rotation angle electricity The gas-cooker of signal, uses non-contacting Hall element, the telecommunications of this Hall element output Number it is associated with the gas valve valve rod rotation angle of gas-cooker, can be used for controlling late-class circuit such as controller, Final control electrical equipment such as mist extractor blower fan etc..
The technical scheme is that
A kind of gas-cooker of the contactless output gas valve valve rod rotation angle signal of telecommunication, including: gas-cooker Gas valve, the valve rod of described gas valve is provided with shake-up parts, and the head of these shake-up parts is provided with Magnetic, corresponding Hall element is arranged on the fixed position for detecting this magnetic rotational angle On, described magnetic, it is shaped as spirillum, described spirillum central shaft and described valve rod axle center Overlap and arrange.
Selecting Hall element is owing to this sensor can gather signal contactless, continuously, uses Life-span is long, and safety coefficient is high, and the position that Hall element is fixed can be integrally fixed at gas valve and fix Fixed position on frame, it is also possible to be the fixed position fixing gas valve on gas-cooker, this fixed position Not rotating with valve rod, the described head touching parts can be that the structure of bar installs magnetic, it is possible to To be the structure installation magnetic of the plane coincideing with leptospira structure.
As preferably, the fixed position of described Hall element is:
Described spirillum highest point near above, or,
Described spirillum lowest part close beneath, or,
Through described spirillum lowest part and be perpendicular to the area of a circle of central shaft and overlook with spirillum highest point Vicinity below the joining of projection, or,
Through described spirillum highest point and be perpendicular to the area of a circle of central shaft and look up with spirillum lowest part Vicinity above the joining of projection.
It is owing to the distance between magnetic and Hall element, angle are in certain limit near Suo Shuo Interior change does not interferes with the collection of the signal of telecommunication, such as, Hall element can be arranged on spirochetal outside Near surface or inner surface, it is also possible to be arranged on the vicinity above spirillum highest point or below lowest part, As long as when spirillum rotates, distance nearest between Hall element and spirillum changes, suddenly You just can export the corresponding signal of telecommunication by sensor, just can learn the rotational angle of gas valve valve rod.
Gas valve corresponding to the fixed position of described Hall element is the position of valve closing.
This position is also first collection point that described Hall element gathers spirillum magnetic signal, Selecting correct valve rod rotation direction, Hall element can export relevant to magnetic rotational angle The continually varying signal of telecommunication.
Described spirillum central shaft and described spirillum highest point downward projection, lowest part downward projection shape The angle become is identical with the rotational angle of valve rod.
The program can ensure that and effectively collects the signal of telecommunication relevant to valve rod rotation angle, again may be used simultaneously So that described spirochetal arc length is the shortest, to save material.
Described gas valve is provided with and makes described shake-up parts follow the rotation of described valve rod and limit described shake-up Parts follow the position limiting structure that described valve rod moves axially.
Due to gas valve open when have an action being pressed downward against, in order to ensure magnetic with suddenly You are not affected by this action the spacing of sensor, can ensure magnetic and Hall by this position limiting structure The spacing of sensor is unaffected but can guarantee that magnetic rotates with the valve rod of gas valve.
As preferably, described position limiting structure includes: be fixed with projection, institute on the valve rod of described gas valve State shake-up parts to slide on described valve rod, and described shake-up parts are axially arranged with described along valve rod The groove that projection is supporting, is additionally provided with limit that described shake-up parts follow that described valve rod moves axially spacing Part.
Alternatively, described position limiting structure includes: the valve rod of described gas valve is provided with parallel In the location plane in valve rod axle center, described shake-up parts slide on described valve rod, and are provided with corresponding Location plane, be additionally provided with restriction described shake-up parts follow the locating part that described valve rod moves axially.
Described locating part includes that the collar, spring and alignment pin, the described collar slide over described valve rod Go up and be arranged between the fixed mount of described gas valve and described shake-up parts, on described shake-up parts Side is provided with described alignment pin, and described spring is arranged between described shake-up parts and alignment pin.
Further, also include that reset switch, described reset switch are arranged on to pass against away from Hall The spirochetal termination of sensor, triggers described reset switch, described combustion by the Mechanical Contact of this termination The state that air valve is in out, the state that this corresponding reset switch is in out, described gas valve is in pass State time, this corresponding reset switch is in the state of pass.
Described spirillum has two terminations, is provided with Hall element, another end near a termination Head be provided with reset switch, can arranged rational structure, this reset switch can be as the electricity of Hall element Source switch, it is also possible to as the on and off switch of late-class circuit, further realizes whole circuit and valve Switch synchronizes.
Owing to using dry-reed tube switch to have the function of flame proof, as preferably, also include dry-reed tube switch, Described dry-reed tube switch is arranged on against the spirochetal termination away from Hall element, and this termination leads to Cross the dry-reed tube switch described in magnetic force triggering, the state that described gas valve is in out, this corresponding dry spring Pipe switchs the state being in out, when described gas valve is in the state of pass, and this corresponding dry-reed tube switch It is in the state of pass.
In like manner, this reset switch can be as the on and off switch of Hall element, it is also possible to as rear class electricity The on and off switch on road, further realizes whole circuit Tong Bu with valve switch.
The present invention has simple in construction, good hand touch, safe and reliable, the beneficial effect of life-span length.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of one embodiment of the invention.
Fig. 2 is the plan structure schematic diagram of one embodiment of the invention.
Fig. 3 is the side-looking structural representation of different embodiments of the invention.
Fig. 4 is the side-looking structural representation of different embodiments of the invention.
Detailed description of the invention
In conjunction with accompanying drawing, the present invention is further illustrated:
As it is shown in figure 1, the gas-cooker of a kind of contactless output gas valve valve rod rotation angle signal of telecommunication, Including the gas valve 1 of gas-cooker, the valve rod 2 of gas valve 1 is provided with shake-up parts 4, touches parts 4 Head magnetic 3 is installed, this magnetic 3 is shaped as spirillum, spirillum central shaft and valve rod 6 Axis coinciding is arranged, and the fixed position above the highest point of magnetic 3 (spirillum) is provided with Hall Sensor H, installs dry spring on the fixed position of the relatively low termination of magnetic 3 (spirillum) Pipe switch K, when magnetic 3 (spirillum) presses counterclockwise rotation unlatching igniting with valve rod 6, magnetic Dry-reed tube switch K, dry-reed tube switch K contact is left in the relatively low termination of gonosome 3 (spirillum) From being disconnected to Guan Bi, the working power of Hall element H or other circuit can be connected, along with valve rod 6 rotate in an anti-clockwise direction, magnetic 3 (spirillum) changes with the distance of Hall element H, The output voltage of magnetic 3 changes the most therewith.
As similar embodiment, Hall element H can also be arranged on magnetic 3 (spirillum) The outside of exterior arc surface or the inner side of inner arc surface.
Gas valve 1 be provided with make shake-up parts 4 follow valve rod 6 rotate and limit shake-up parts 4 follow The position limiting structure that valve rod 6 moves axially.This position limiting structure includes reaming one on the valve rod 6 of gas valve 1 The location plane 61 being parallel to valve rod 6 axle center that arc block produces, touches parts 4 and slides over valve rod 6 On, touch parts 4 and also be provided with positioning accordingly plane, it is ensured that the valve rod 6 of gas valve 1 can be flexibly Move axially;Being additionally provided with restriction shake-up parts 4 and follow the locating part that valve rod 6 moves axially, this is spacing Part includes the collar 5, spring 7 and alignment pin 31, and the collar 5 slides on valve rod 6 and is arranged on combustion gas Between fixed mount and the shake-up parts 4 of valve 1, touch parts 4 and be arranged over alignment pin 31, spring 7 It is arranged between shake-up parts 4 and alignment pin 31.By this structure so that touch parts 4 and follow Valve rod 6 rotates, but does not moves axially.
As in figure 2 it is shown, another kind of position limiting structure, valve rod 6 is fixed with projection 62, touches parts 4 Slide on valve rod 6, and shake-up parts 4 are axially arranged with the groove supporting with projection, valve along valve rod 6 Bar 6 can move axially along groove flexibly;Limit shake-up parts 4 and follow the limit that valve rod 6 moves axially Position part can be selected for the structure of Fig. 1.
Reset switch K1 is arranged on a termination of magnetic 3 (spirillum), by Mechanical Contact control System, acts on identical with the dry-reed tube switch of Fig. 1.The dry-reed tube switch structure of Fig. 1 can also be selected.
The angle that the projection of spirillum 3 central shaft and spirillum highest point, lowest part projection are formed be A with The rotational angle of valve rod 6 is identical, this angle about 180 degree, typically smaller than 180 degree, its of the present invention Its embodiment all can use identical scheme.
As shown in Figure 3 a, Fig. 3 a with Fig. 1 is corresponding, spirillum 3, valve rod 6, Hall element H, Other omits, and can clearly be seen that when valve rod 6 rotates counterclockwise from side view, Hall Distance between sensor H and spirillum 3 is changed stepwise from the near to the remote.
As shown in Figure 3 b, Hall element H unlike Fig. 3 b and Fig. 3 a is arranged on through spiral Body 3 lowest part (dotted line in figure) and be perpendicular to the area of a circle of central shaft and overlook with spirillum 3 highest point Vicinity below the joining of projection.
When valve rod 6 rotates counterclockwise, the distance between Hall element H and spirillum 3 By as far as being closely changed stepwise.
As shown in fig. 4 a, spirillum 3 is contrary with the hand of spiral of Fig. 3, and Hall element H is arranged Through described spirillum highest point (dotted line in figure) and the area of a circle and the spirillum that are perpendicular to central shaft Vicinity above the joining of lowest part upward projection.
When valve rod 6 rotates counterclockwise, the distance between Hall element H and spirillum 3 By as far as being closely changed stepwise.
As shown in Figure 4 b, spirillum 3 is contrary with the hand of spiral of Fig. 3, and Hall element H is arranged At spirillum 3 lowest part close beneath.
When valve rod 6 rotates counterclockwise, the distance between Hall element H and spirillum 3 It is changed stepwise from the near to the remote.
In the embodiment of the present invention, when gas valve 1 from close to open rotation 90 degree time, firepower export From closing to little, to greatly, Hall element H is stepped up with the distance of magnetic 3 or progressively shortens, but When gas valve 1 is in time continuing to rotate to close to 180 degree for 90 degree, firepower exports from big to small, and Hall The distance of sensor H and magnetic 3 is also to maintain and is stepped up or progressively shortens, Hall element H Output signal occur in that turnover, if the output voltage of Hall element H wishes to have regulated with firepower Full coupling, this can be solved by late-class circuit.
Although here by signal and way of example, the present invention is described further, but should This is recognized, the invention is not limited in the above-described embodiment and examples, and description above is only recognized For being illustrative and not restrictive, those skilled in the art can make multiple conversion or amendment, As long as no leaving the scope and spirit established in present claims, it is accordingly to be regarded as the present invention's Within protection domain.

Claims (9)

1. a gas-cooker for the contactless output gas valve valve rod rotation angle signal of telecommunication, including: combustion gas The gas valve of stove, the valve rod of described gas valve is provided with shake-up parts, it is characterized in that: these shake-up parts Head magnetic is installed, corresponding Hall element is arranged on for detecting this magnetic angle of rotation On the fixed position of degree, described magnetic, it is shaped as spirillum, described spirillum central shaft with Described valve rod axis coinciding is arranged;
The fixed position of described Hall element is:
Described spirillum highest point near above, or,
Described spirillum lowest part close beneath, or,
Through described spirillum lowest part and be perpendicular to the area of a circle of central shaft and overlook with spirillum highest point Vicinity below the joining of projection, or,
Through described spirillum highest point and be perpendicular to the area of a circle of central shaft and look up with spirillum lowest part Vicinity above the joining of projection.
A kind of contactless output gas valve valve rod rotation angle signal of telecommunication the most as claimed in claim 1 Gas-cooker, is characterized in that: the gas valve corresponding to the fixed position of described Hall element is that valve closes The position closed.
A kind of contactless output gas valve valve rod rotation angle signal of telecommunication the most as claimed in claim 2 Gas-cooker, is characterized in that: described spirillum central shaft and described spirillum highest point downward projection, The angle that lower downward projection is formed is identical with the rotational angle of valve rod.
A kind of contactless output gas valve valve rod rotation angle signal of telecommunication the most as claimed in claim 3 Gas-cooker, is characterized in that: described gas valve is provided with and makes described shake-up parts follow the rotation of described valve rod And limit described shake-up parts and follow the position limiting structure that described valve rod moves axially.
A kind of contactless output gas valve valve rod rotation angle signal of telecommunication the most as claimed in claim 4 Gas-cooker, is characterized in that, described position limiting structure includes: be fixed with projection on the valve rod of described gas valve, Described shake-up parts slide on described valve rod, and described shake-up parts are axially arranged with along valve rod and institute State the groove that projection is supporting, be additionally provided with the described shake-up parts of restriction and follow the limit that described valve rod moves axially Position part.
A kind of contactless output gas valve valve rod rotation angle signal of telecommunication the most as claimed in claim 4 Gas-cooker, is characterized in that, described position limiting structure includes: the valve rod of described gas valve is provided with and is parallel to The location plane in valve rod axle center, described shake-up parts slide on described valve rod, and are provided with corresponding Location plane, is additionally provided with the described shake-up parts of restriction and follows the locating part that described valve rod moves axially.
7. the one contactless output gas valve valve rod rotation angle telecommunications as described in claim 5 or 6 Number gas-cooker, it is characterized in that: described locating part includes the collar, spring and alignment pin, described The collar slide on described valve rod and be arranged on the fixed mount of described gas valve and described shake-up parts it Between, the described parts that touch are arranged over described alignment pin, and described spring is arranged on described touch part Between part and alignment pin.
A kind of contactless output gas valve valve rod rotation angle signal of telecommunication the most as claimed in claim 7 Gas-cooker, is characterized in that: also include that reset switch, described reset switch are arranged on against away from suddenly The spirochetal termination of your sensor, triggers described reset switch, institute by the Mechanical Contact of this termination Stating the state that gas valve is in out, the state that this corresponding reset switch is in out, at described gas valve When the state closed, this corresponding reset switch is in the state of pass.
A kind of contactless output gas valve valve rod rotation angle signal of telecommunication the most as claimed in claim 7 Gas-cooker, is characterized in that: also include that dry-reed tube switch, described dry-reed tube switch are arranged on against far From the spirochetal termination of Hall element, this termination by magnetic force trigger described in dry-reed tube switch, The state that described gas valve is in out, the state that this corresponding dry-reed tube switch is in out, described combustion gas When valve is in the state of pass, this corresponding dry-reed tube switch is in the state of pass.
CN201210146046.5A 2012-05-08 2012-05-08 A kind of gas-cooker of the contactless output gas valve valve rod rotation angle signal of telecommunication Active CN102705876B (en)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644320B (en) * 2013-11-21 2016-03-30 宁波方太厨具有限公司 With the fuel gas plug valve of angle transducer
US9772110B2 (en) * 2014-10-21 2017-09-26 Hsu-Nan Liu Gas control valve featuring magnetic control and gas ignition system having the same
CN106839004A (en) * 2017-03-09 2017-06-13 佛山市云米电器科技有限公司 Intelligent stove
CN112610987A (en) * 2021-01-12 2021-04-06 广州合隆智能设备有限公司 Cooking range system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2163323Y (en) * 1993-01-15 1994-04-27 何建平 Automatic gas stove implements
CN201528332U (en) * 2009-09-27 2010-07-14 浙江翔鹰厨房设备有限公司 Non-contact type power adjusting switch
CN201983293U (en) * 2011-03-17 2011-09-21 蒋志洲 Fuel gas energy-saving control device for gas stove and energy-saving stove with same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5399854B2 (en) * 2009-10-16 2014-01-29 株式会社ユーシン Solid state switch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2163323Y (en) * 1993-01-15 1994-04-27 何建平 Automatic gas stove implements
CN201528332U (en) * 2009-09-27 2010-07-14 浙江翔鹰厨房设备有限公司 Non-contact type power adjusting switch
CN201983293U (en) * 2011-03-17 2011-09-21 蒋志洲 Fuel gas energy-saving control device for gas stove and energy-saving stove with same

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