CN208740693U - Anti-overflow device and cooking apparatus - Google Patents

Abstract

The utility model provides its cooking apparatus of a kind of anti-overflow device and application, and anti-overflow device includes: gas-guide tube, sliding part, detection components, control assembly and dynamic clamping head and quiet clamping head, the exhaust outlet of the inlet end of gas-guide tube towards cooking apparatus；Sliding position moves back and forth in gas-guide tube in the one end for deviating from exhaust outlet in gas-guide tube, sliding part；Detection components are located at the side that sliding part deviates from gas-guide tube, for the displacement of sliding part to be converted to electric signal；Control assembly is connected with detection components, and control assembly controls the heating element of cooking apparatus according to electric signal；The side that sliding part deviates from exhaust outlet is arranged in dynamic clamping head and quiet clamping head compression.Anti-overflow device provided by the utility model is arranged gas-guide tube in the exhaust outlet of cooking apparatus and sliding part is arranged wherein, air pressure signal can be converted to displacement.Dynamic clamping head and quiet clamping head can drive sliding part to reset.

Description

Anti-overflow device and cooking apparatus

Technical field

The utility model relates to fields of home appliance technology, in particular to a kind of anti-overflow device and a kind of cooking pot Tool.

Background technique

Electromagnetic oven there are problems that in the use process that Baoshang is cooked congee boil overflowing pot, significantly reduce product quality and User experience.

General way is the overflow prevention structure design of passive type, and one is such as set around electromagnetic oven heat radiation hole, and there is runner to make Water guide rib, end is equipped with drainage hole, and when electromagnetic oven spilling water amount is bigger, water is by water guide rib and fast by drainage hole Speed drains into outside electromagnetic oven.

But the design of the overflow prevention structure of passive type cannot achieve overflowing pot early warning and intelligent control, when water is excessive or adds There are the potential risks of anti-spilled failure when heat is too fast.

Utility model content

The utility model aims to solve at least one of technical problems existing in the prior art or related technologies.

For this purpose, the first aspect of the utility model proposes a kind of anti-overflow device.

The second aspect of the utility model proposes a kind of cooking apparatus.

In view of this, according to the present utility model in a first aspect, a kind of anti-overflow device is provided, for cooking apparatus, packet It includes: gas-guide tube, the exhaust outlet of the inlet end of gas-guide tube towards cooking apparatus；Sliding part, sliding position in gas-guide tube away from row One end of port, sliding part move back and forth in gas-guide tube；Detection components, detection components are located at one that sliding part deviates from gas-guide tube Side, for the displacement of sliding part to be converted to electric signal；Control assembly is connected with detection components, and control assembly is according to telecommunications The heating element of number control cooking apparatus；The side that sliding part deviates from exhaust outlet is arranged in dynamic clamping head and quiet clamping head, compression.

Anti-overflow device provided by the utility model is arranged gas-guide tube in the exhaust outlet of cooking apparatus and is arranged in gas-guide tube Sliding part realizes the air pressure detection method that air pressure signal is converted to displacement.With the progress that cooking apparatus heats, when cooking When pressure in utensil of preparing food increases and is more than threshold value, the sliding part in gas-guide tube will be pushed mobile, to generate corresponding displacement. The displacement of sliding part is converted to electric signal again by detection components, and electric signal to rear end control assembly and is located through wire transmission Reason, the heating element for further controlling cooking apparatus reduce output power or stop heating to realize active no-spill intelligence Control.By the way that dynamic clamping head and quiet clamping head is arranged away from a side compression of cooking apparatus exhaust outlet in sliding part, it is possible to provide with stream pressure Contrary elastic-restoring force, after gas pressure intensity is lower than threshold value, elastic recovery masterpiece of the sliding part in dynamic clamping head and quiet clamping head It is restored to initial position under, the size of pressure in cooking apparatus can be embodied by the displacement of sliding part always as a result,.

In addition, can also be had following additional according to the anti-overflow device in above-mentioned technical proposal provided by the utility model Technical characteristic:

In the above-mentioned technical solutions, it is preferable that sliding part is isolation material.

In the technical scheme, often humidity is larger for the gas of cooking apparatus discharge, and detection components can be by sliding part Displacement is converted to electric signal, and by setting isolation material for sliding part, the electric current that can avoid generating in detection components is through sliding Gentle spread in portion is directed in cooking apparatus pot body, reduces security risk.

In any of the above-described technical solution, it is preferable that detection components are specifically used for the displacement of sliding part being converted to capacitor Value.

In the technical scheme, the detection components using capacitance as output electric signal are defined.It is arranged in detection components Variable capacitor, especially may be configured as plate condenser, due between the capacitance size and two electrode plates of plate condenser It is related away from, positive area and dielectric constant, it can facilitate and change the above parameter using the displacement of sliding part, thus by the position of sliding part Transfer is changed to capacitance.Since capacitor has the logical obstructed straight characteristic of friendship, which can be used for being arranged the control of alternating current Component processed.

In any of the above-described technical solution, it is preferable that detection components include: conductive sleeve, are set in sliding part away from leading One end of tracheae；Conduction brush is in contact with conductive sleeve, and is connected through a conducting wire with control assembly；Conductive sheet, and leads The interval setting of electricity set, the line direction between conductive sleeve and conductive sheet is consistent with airflow direction, conductive sheet through another conducting wire and Control assembly is connected.

In the technical scheme, a scheme of detection components setting variable condenser is specifically defined.It is covered on sliding part If conductive sleeve and two electrodes of the spaced conductive sheet respectively as capacitor therewith, the line of conductive sleeve and conductive sheet Direction is consistent with airflow direction, and airflow direction is again identical as the moving direction of sliding part, so that the spacing of conductive sleeve and conductive sheet As the movement of sliding part changes, i.e. capacitor plate distance changes, and so as to cause the variation of capacitance, output is different Electric signal.Wherein, conduction brush position is fixed, and is not moved with the sliding of sliding part, and conductive sleeve is led with fixed setting Brush is in contact, and has both ensured that conductive sleeve with sliding part synchronizing moving, in turn ensures that conductive sleeve is connect reliable with control assembly Property, help to accurately reflect the pressure change in cooking apparatus.

In any of the above-described technical solution, it is preferable that detection components include: conductive sleeve, are set in sliding part away from leading One end of tracheae, conductive sleeve cover the end wall and partial sidewall of sliding part；Conduction brush is in contact with conductive sleeve, and through one Conducting wire is connected with control assembly；Conductive sheet, is arranged with conductive sleeve interval, and the length direction of conductive sheet is back and forth transported with sliding part Dynamic direction is consistent, and conductive sheet and conductive sleeve are overlapped along the projection section perpendicular to airflow direction, and overlapping area is with sliding part Movement and change, conductive sheet is connected through another conducting wire with control assembly.

In the technical scheme, another scheme of detection components setting variable condenser is specifically defined.On sliding part The conductive sleeve that is arranged and therewith spaced conductive sheet are respectively as two electrodes of capacitor, and conductive sleeve and conductive sheet exist Perpendicular to having lap on the direction of air motion, the corresponding area of these laps is the significant surface of capacitor Product, when movement, which occurs, for sliding part generates displacement, the overlapping area between conductive sleeve and conductive sheet changes, i.e. capacitor Effective area change, so as to cause the variation of capacitance, export different electric signals.Wherein, conduction brush position is fixed, It is not moved with the sliding of sliding part, conductive sleeve is in contact with the conduction brush of fixed setting, has both ensured conductive sleeve with cunning Dynamic portion's synchronizing moving, in turn ensures the reliability that conductive sleeve is connect with control assembly, helps to accurately reflect in cooking apparatus Pressure change.

In any of the above-described technical solution, it is preferable that detection components include that the first conductive sheet and second opposite and set are led The length direction of electric piece, the first conductive sheet and the second conductive sheet is consistent with the direction that sliding part moves back and forth, the first conductive sheet and Second conductive sheet is connected through a conducting wire with control assembly respectively；Sliding part includes the first protrusion, and setting is carried on the back in sliding part One end from gas-guide tube, the first protruding parts is between the first conductive sheet and the second conductive sheet.

In the technical scheme, another scheme of detection components setting variable condenser is specifically defined.It sets relatively The first conductive sheet and the second conductive sheet constitute two capacitor plates of capacitor, it is sliding when movement, which occurs, for sliding part generates displacement The first protrusion with insulating property (properties) enters between the first conductive sheet and the second conductive sheet in dynamic portion, makes the effective area of capacitor Change with the first moving for protrusion, simultaneously because the dielectric constant of isolation material often with the dielectric constant of air not Together, so that the dielectric constant in region corresponding with the first protrusion also changes, and then cause the change of capacitance size, export Different electric signals.In the program, the first conductive sheet and the second conductive sheet pass through conducting wire and are connected directly with control assembly, and with Sliding part does not contact directly, helps to reduce damage of components probability.

In any of the above-described technical solution, it is preferable that detection components are slide rheostat；Sliding part and slide rheostat Slide plate is connected.

In the technical scheme, a kind of detection components using resistance value as output electric signal are defined.Detection components are Slide rheostat, and its slide plate is enabled to be connected with sliding part, then slide plate is moved with sliding part, and then changes slide rheostat Resistance value exports different electric signals.The program takes full advantage of existing electrical part, it is convenient to change the resistance of slide rheostat Value.Since resistance has the characteristic of logical straight obstructed friendship, which can be used for being arranged the control assembly of direct current.

In any of the above-described technical solution, it is preferable that detection components include first resistor silk disposed in parallel and the second electricity Hinder silk, the length direction of first resistor silk and second resistance silk is consistent with the direction that sliding part moves back and forth, first resistor silk with Second resistance silk is connected through a conducting wire with control assembly respectively；Sliding part includes the second protrusion, and setting is carried on the back in sliding part One end from gas-guide tube, the second protruding parts is between first resistor silk and second resistance silk；Detection components further include: conductive Set is set in one end that the second protrusion deviates from gas-guide tube；Conduction brush, quantity are two, and conduction brush is arranged in conductive sleeve On, two conduction brush are located between conductive sleeve and first resistor silk between conductive sleeve and second resistance silk.

In the technical scheme, a kind of detection components using resistance value as output electric signal are defined.It does not use existing Slide rheostat, but utilize two resistance wires, conduction brush and the conductive sleeve structure being set on the first protrusion of sliding part At a slide rheostat, two conduction brush being arranged on conductive sleeve connect with first resistor silk and second resistance silk respectively Touching, when movement, which occurs, for sliding part generates displacement, the length of the first resistor silk and second resistance silk that access in circuit occurs Variation, so that the resistance in the circuit that the detection circuit in conductive sleeve, conduction brush, resistance wire and rear end control assembly is constituted Also it changes correspondingly, to export different electric signals.Relative to existing slide rheostat is used, the program can reduce space and account for With rate, it is convenient for setting.

In any of the above-described technical solution, it is preferable that detection components are infrared probe, and infrared probe is used towards sliding part In the spacing of detection infrared probe and sliding part.

In the technical scheme, the detection components using distance value as output electric signal are defined.Detection components are direction The infrared probe of sliding part setting carries out infrared distance measurement to sliding part using infrared probe, generates position when movement occurs for sliding part When shifting amount, infrared light is changed correspondingly from the received propagation time is emitted to.Infrared probe is according to the difference in propagation time, and output is not Same electric signal.

In any of the above-described technical solution, it is preferable that further include: accommodating chamber, one end and gas-guide tube are away from exhaust outlet One end is connected, and the other end is equipped with avoid holes；Sliding part protrudes into accommodating chamber, and the outer side surface of sliding part is protruded equipped with third Portion, third protrusion are adapted with accommodating chamber, and dynamic clamping head and quiet clamping head is located at third protrusion and accommodating chamber deviates from the inner wall of gas-guide tube Between face.

In the technical scheme, accommodating chamber is set away from one end of exhaust outlet in gas-guide tube, it can setting for dynamic clamping head and quiet clamping head It sets and reliable accommodation space is provided, avoid holes are then convenient for detection components to be connected with sliding part；Pass through control third protrusion Volume and quality can control the total quality of sliding part, and then change thrust needed for air-flow pushes sliding part, convenient for control gas The alarm threshold value of flowing pressure.Third protrusion is adapted with accommodating chamber, can play position-limiting action in sliding part moving process.

In any of the above-described technical solution, it is preferable that when the quantity of dynamic clamping head and quiet clamping head is one, dynamic clamping head and quiet clamping head is arranged On sliding part.

In the technical scheme, set-up mode when dynamic clamping head and quiet clamping head is one is specifically defined, by dynamic clamping head and quiet clamping head set It is located on sliding part, and keeps compression that third protrusion and accommodating chamber are set between the inner wall of gas-guide tube, can reduce The setting quantity of dynamic clamping head and quiet clamping head, meanwhile, sliding part can play guiding role for dynamic clamping head and quiet clamping head, effectively prevent elastic reset Part skew failure.

In any of the above-described technical solution, it is preferable that further include: one end of limiting section, limiting section is located in accommodating chamber, limit The other end in position portion stretches out accommodating chamber through avoid holes, and sliding part is reciprocal in the channel that limiting section is formed away from one end of gas-guide tube Movement.

In the technical scheme, limiting section is through forming channel, being both sliding part in avoid holes insertion accommodating chamber in limiting section Installation space is provided with detection components, and protects sliding part and detection components, the impaired probability of product is reduced, extends The service life of product, the movement for also ensuring sliding part are accurately converted to electric signal, improve the reliability of product, improve Safety.

In any of the above-described technical solution, it is preferable that gas-guide tube includes pneumatic duct, the inlet end direction row of pneumatic duct Port, towards sliding part, the sectional area of the inlet end of pneumatic duct is less than the outlet side of pneumatic duct for the outlet side of pneumatic duct Sectional area.

In the technical scheme, gas-guide tube includes the tapered pneumatic duct of runner, and is located at sliding part and cooking apparatus Between exhaust outlet.When air-flow passes through pneumatic duct, gas flow rate increases because runner narrows.The main function of pneumatic duct is pair Air pressure signal amplifies, in order to which detection components detect exhaust condition.

In any of the above-described technical solution, it is preferable that the side wall of gas-guide tube is equipped with gas vent；Sliding part and gas-guide tube phase Adaptation, sliding part is interior to be equipped with gas port, and one end of gas port is connected with gas-guide tube, when sliding part is moved to predeterminated position, The other end of gas port is connected with gas vent.

In the technical scheme, sliding part is adapted with gas-guide tube, so that gas-guide tube is played good limit to sliding part and is made With, it is ensured that mobile stability.The gas port being connected with gas-guide tube, the gas in bootable gas-guide tube are set in sliding part Body enters in gas port, and after sliding part is by air pressure action, gas port is also moved, until reach predeterminated position and with When gas vent is connected, gas is then discharged from gas vent via gas port, realizes automatic smooth exhaust, gas in cooking apparatus Pressure is also gradually reduced therewith, facilitates anti-Spill stopping pan.

Second aspect according to the present utility model provides a kind of cooking apparatus, including such as any of the above-described technical solution institute The anti-overflow device stated.

Cooking apparatus provided by the utility model including anti-overflow device described in any of the above-described technical solution, thus has Whole technical effects of the anti-overflow device, details are not described herein.

The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this The practice of type is recognized.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 shows the structural schematic diagram of the anti-overflow device of one embodiment according to the present utility model；

Fig. 2 shows the structural schematic diagrams of the anti-overflow device of another embodiment according to the present utility model；

Fig. 3 shows the structural schematic diagram of the anti-overflow device of further embodiment according to the present utility model；

Fig. 4 shows the structural schematic diagram of the anti-overflow device of another embodiment according to the present utility model；

Fig. 5 shows the structural schematic diagram of the anti-overflow device of a still further embodiment according to the present utility model.

Wherein, corresponding relationship of the Fig. 1 into Fig. 5 between appended drawing reference and component names are as follows:

1 anti-overflow device, 10 gas-guide tubes, 102 pneumatic ducts, 104 gas vents, 20 sliding parts, 202 first protrusions, 204 Two protrusions, 206 third protrusions, 208 gas ports, 30 detection components, 302 conductive sleeves, 304 conduction brush, 306 conductive sheets, 308 Conducting wire, 310 first conductive sheets, 312 second conductive sheets, 314 first resistor silks, 316 second resistance silks, 318 infrared probes, 40 controls Component processed, 50 dynamic clamping head and quiet clamping heads, 60 accommodating chambers, 602 avoid holes, 70 limiting sections, 8IH coil panel.

Specific embodiment

In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen The feature in embodiment and embodiment please can be combined with each other.

Many details are explained in the following description in order to fully understand the utility model, still, this is practical Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously It is not limited by the specific embodiments disclosed below.

Anti-overflow device 1 and cooking apparatus according to the utility model some embodiments are described referring to Fig. 1.

As shown in Figures 1 to 5, the embodiment of the utility model first aspect provides a kind of anti-overflow device 1, for cooking Utensil, comprising: gas-guide tube 10, sliding part 20, detection components 30, control assembly 40 and dynamic clamping head and quiet clamping head 50, gas-guide tube 10 into Exhaust outlet of the gas end towards cooking apparatus；Sliding part 20 is located at the one end for deviating from exhaust outlet in gas-guide tube 10, and sliding part 20 is being led It is moved back and forth in tracheae 10；Detection components 30 are located at the side that sliding part 20 deviates from gas-guide tube 10, for by the position of sliding part 20 Transfer is changed to electric signal；Control assembly 40 is connected with detection components 30, and control assembly 40 controls cooking apparatus according to electric signal Heating element；Dynamic clamping head and quiet clamping head 50, which is compressed, is arranged in the side that sliding part 20 deviates from exhaust outlet.

Gas-guide tube 10 is arranged in the exhaust outlet of cooking apparatus and in gas-guide tube 10 in anti-overflow device 1 provided by the utility model Middle setting sliding part 20, realizes the air pressure detection method that air pressure signal is converted to displacement.With cooking apparatus heating It carries out, when pressure increases and is more than threshold value in cooking apparatus, the sliding part 20 in gas-guide tube 10 will be pushed mobile, to generate Corresponding displacement.As arrow direction of the Fig. 1 into Fig. 5 in gas-guide tube 10 shows airflow direction.The size of gas-guide tube 10 can It is adjusted according to the exhaust outlet size of cooking apparatus, Multiple Type product can be matched, there is very strong versatility and embedded type, Multiple product platform can be implanted into.The displacement of sliding part 20 is converted to electric signal again by detection components 30, and electric signal is through conducting wire 308 It is transmitted to rear end control assembly 40 and is handled, the heating element for further controlling cooking apparatus reduces output power or stopping Heating is to realize active no-spill intelligent control.Optionally, control assembly 40 includes detection circuit and control circuit, detection Circuit and detection components 30 are formed into a loop, and control circuit is then connected to obtain electric signal and adjust heating unit with detection circuit Part.By the way that dynamic clamping head and quiet clamping head 50 is arranged away from a side compression of cooking apparatus exhaust outlet in sliding part 20, it is possible to provide with air-flow pressure The contrary elastic-restoring force of power, when gas pressure intensity is lower than after threshold value, sliding part 20 is returned in the elasticity of dynamic clamping head and quiet clamping head 50 It is restored to initial position under multiple power effect, the big of pressure in cooking apparatus can be embodied by the displacement of sliding part 20 always as a result, It is small.Wherein, key parameter of the threshold pressure as overflowing pot early warning can pass through the quality and dynamic clamping head and quiet clamping head of change sliding part 20 50 elastic force is adjusted.Optionally, dynamic clamping head and quiet clamping head 50 is spring.Optionally, sliding part 20 is rubber sliding shoe, culinary art Often humidity is larger in the exhaust of utensil, and rubber corrosion resistance is strong, and nontoxic, can be used for cooking apparatus.It is different thick by selection The rubber of rugosity, convenient for combining the quality of sliding part 20 and the elastic force control threshold pressure of dynamic clamping head and quiet clamping head 50.Optionally, work as bullet Property return unit 50 quantity when being one, the central axes of dynamic clamping head and quiet clamping head 50 are overlapped with the central axes of sliding part 20, are answered when elastic When the quantity of position part 50 is multiple, multiple dynamic clamping head and quiet clamping heads 50 are uniformly distributed along the circumferential direction of sliding part 20, such as dynamic clamping head and quiet clamping head 50 quantity is four, is distributed using four axial symmetry, to can ensure that 20 uniform force of sliding part, to prevent due to unbalance stress Caused 20 concentrated wear of sliding part and card tube failure.

In one embodiment of the utility model, it is preferable that sliding part 20 is isolation material.

In this embodiment, often humidity is larger for the gas of cooking apparatus discharge, and detection components 30 can be by sliding part 20 Displacement be converted to electric signal, by setting isolation material for sliding part 20, can avoid the electric current generated in detection components 30 It is directed in cooking apparatus pot body through gentle spread of sliding part 20, reduces security risk.

As shown in Figure 1 to Figure 3, in one embodiment of the utility model, it is preferable that detection components 30 are specifically used for will The displacement of sliding part 20 is converted to capacitance.

In this embodiment, the detection components 30 using capacitance as output electric signal are defined.It is set in detection components 30 Variable capacitor is set, especially may be configured as plate condenser, due to capacitance size and two electrode plates of plate condenser Spacing, positive area and dielectric constant are related, can facilitate and change the above parameter using the displacement of sliding part 20, thus by sliding part 20 displacement is converted to capacitance.Since capacitor has the logical obstructed straight characteristic of friendship, which can be used for being arranged friendship The control assembly 40 of galvanic electricity.

As shown in Figure 1, in one embodiment of the utility model, it is preferable that detection components 30 include: conductive sleeve 302, It is set in one end that sliding part 20 deviates from gas-guide tube 10；Conduction brush 304 is in contact with conductive sleeve 302, and through a conducting wire 308 are connected with control assembly 40；Conductive sheet 306 is spaced with conductive sleeve 302 and is arranged, conductive sleeve 302 and conductive sheet 306 it Between line direction it is consistent with airflow direction, conductive sheet 306 is connected through another conducting wire 308 with control assembly 40.

In this embodiment, specifically define that a scheme of variable condenser is arranged in detection components 30.On sliding part 20 The conductive sleeve 302 that is arranged and therewith two electrodes of the spaced conductive sheet 306 respectively as capacitor, 302 He of conductive sleeve The line direction of conductive sheet 306 is consistent with airflow direction, and airflow direction is again identical as the moving direction of sliding part 20, so that conductive The spacing of set 302 and conductive sheet 306 changes with the movement of sliding part 20, i.e. capacitor plate distance changes, thus The variation for causing capacitance exports different electric signals.Wherein, 304 position of conduction brush is fixed, not with the sliding of sliding part 20 It moves, conductive sleeve 302 is in contact with the conduction brush 304 of fixed setting, has both ensured that conductive sleeve 302 is synchronous with sliding part 20 It is mobile, it in turn ensures the reliability that conductive sleeve 302 is connect with control assembly 40, helps to accurately reflect the pressure in cooking apparatus Variation.Optionally, conductive sleeve 302 is metallic sheath, and conductive sheet 306 is sheet metal, and conduction brush 304 is carbon brush.

As shown in Fig. 2, in one embodiment of the utility model, it is preferable that detection components 30 include: conductive sleeve 302, It is set in one end that sliding part 20 deviates from gas-guide tube 10, and conductive sleeve 302 covers the end wall and partial sidewall of sliding part 20；It is conductive Brush 304, is in contact, and be connected through a conducting wire 308 with control assembly 40 with conductive sleeve 302；Conductive sheet 306, and leads Electricity set 302 interval setting, the length direction of conductive sheet 306 is consistent with the direction that sliding part 20 moves back and forth, conductive sheet 306 with lead Electricity set 302 is overlapped along the projection section perpendicular to airflow direction, and overlapping area changes, conductive sheet with the movement of sliding part 20 306 are connected through another conducting wire 308 with control assembly 40.

In this embodiment, specifically define that another scheme of variable condenser is arranged in detection components 30.Sliding part 20 On the conductive sleeve 302 that is arranged and two electrodes of the spaced conductive sheet 306 respectively as capacitor therewith, and conductive sleeve 302 and conductive sheet 306 there is lap on the direction perpendicular to air motion, the corresponding area of these laps is The effective area of capacitor, the weight when movement, which occurs, for sliding part 20 generates displacement, between conductive sleeve 302 and conductive sheet 306 Folded area changes, i.e. the effective area of capacitor changes, and so as to cause the variation of capacitance, exports different telecommunications Number.Wherein, 304 position of conduction brush is fixed, and is not moved with the sliding of sliding part 20, conductive sleeve 302 and fixed setting Conduction brush 304 is in contact, and has both ensured that conductive sleeve 302 with 20 synchronizing moving of sliding part, in turn ensures conductive sleeve 302 and control group The reliability that part 40 connects, helps to accurately reflect the pressure change in cooking apparatus.Optionally, conductive sleeve 302 is metallic sheath, Conductive sheet 306 is sheet metal, and conduction brush 304 is carbon brush.

As shown in figure 3, in one embodiment of the utility model, it is preferable that detection components 30 include setting relatively The length direction and sliding part 20 of first conductive sheet 310 and the second conductive sheet 312, the first conductive sheet 310 and the second conductive sheet 312 The direction of reciprocating motion is consistent, and the first conductive sheet 310 and the second conductive sheet 312 are respectively through a conducting wire 308 and control assembly 40 It is connected；Sliding part 20 includes the first protrusion 202, and one end that sliding part 20 deviates from gas-guide tube 10, the first protrusion is arranged in 202 between the first conductive sheet 310 and the second conductive sheet 312.

In this embodiment, specifically define that another scheme of variable condenser is arranged in detection components 30.It sets relatively The first conductive sheet 310 and the second conductive sheet 312 constitute capacitor two capacitor plates, when sliding part 20 occur movement generate displacement When amount, the first protrusion 202 on sliding part 20 with insulating property (properties) enter the first conductive sheet 310 and the second conductive sheet 312 it Between, make the effective area of capacitor moving and change with the first protrusion 202, simultaneously because the dielectric constant of isolation material It is often different from the dielectric constant of air, so that the dielectric constant in region corresponding with the first protrusion 202 also changes, into And cause the change of capacitance size, export different electric signals.In the program, the first conductive sheet 310 and the second conductive sheet 312 are It is connected directly by conducting wire 308 and control assembly 40, and is not contacted directly with sliding part 20, help to reduce damage of components Probability.Optionally, the first conductive sheet 310 and the second conductive sheet 312 are sheet metal.

In one embodiment of the utility model, it is preferable that detection components 30 are slide rheostat；Sliding part 20 and cunning Rheostatic slide plate is moved to be connected.

In this embodiment, a kind of detection components 30 using resistance value as output electric signal are defined.Detection components 30 For slide rheostat, and its slide plate is enabled to be connected with sliding part 20, then slide plate is moved with sliding part 20, and then is changed sliding and become The resistance value for hindering device, exports different electric signals.The program takes full advantage of existing electrical part, it is convenient to change slide rheostat Resistance value.Since resistance has the characteristic of logical straight obstructed friendship, which can be used for being arranged the control assembly of direct current 40。

As shown in figure 4, in one embodiment of the utility model, it is preferable that detection components 30 include disposed in parallel The length direction and sliding part 20 of first resistor silk 314 and second resistance silk 316, first resistor silk 314 and second resistance silk 316 The direction of reciprocating motion is consistent, and first resistor silk 314 and second resistance silk 316 are respectively through a conducting wire 308 and control assembly 40 It is connected；Sliding part 20 includes the second protrusion 204, and one end that sliding part 20 deviates from gas-guide tube 10, the second protrusion is arranged in 204 between first resistor silk 314 and second resistance silk 316；Detection components 30 further include: conductive sleeve 302 is set in Two protrusions 204 deviate from one end of gas-guide tube 10；Conduction brush 304, quantity are two, and conduction brush 304 is arranged in conductive sleeve 302 On, two conduction brush 304 are located between conductive sleeve 302 and first resistor silk 314 and conductive sleeve 302 and second resistance silk Between 316.

In this embodiment, a kind of detection components 30 using resistance value as output electric signal are defined.It does not use existing Slide rheostat, but using two resistance wires, conduction brush 304 and be set on the first protrusion 202 of sliding part 20 Conductive sleeve 302 constitutes a slide rheostat, be arranged in two conduction brush 304 on conductive sleeve 302 respectively with first resistor silk 314 and second resistance silk 316 be in contact, when sliding part 20 occur movement generate displacement when, access circuit in first resistor The length of silk 314 and second resistance silk 316 changes, so that conductive sleeve 302, conduction brush 304, resistance wire and rear end control The resistance in circuit that detection circuit in component 40 is constituted also changes correspondingly, to export different electric signals.Relative to Using existing slide rheostat, the program can reduce space occupancy rate, convenient for setting.Optionally, conductive sleeve 302 is metal Set, conduction brush 304 are carbon brush.

As shown in figure 5, in one embodiment of the utility model, it is preferable that detection components 30 are infrared probe 318, Infrared probe 318 is towards sliding part 20, for detecting the spacing of infrared probe 318 Yu sliding part 20.

In this embodiment, the detection components 30 using distance value as output electric signal are defined.Detection components 30 are court The infrared probe 318 being arranged to sliding part 20 carries out infrared distance measurement to sliding part 20 using infrared probe 318, when sliding part 20 Occur movement generate displacement when, infrared light is changed correspondingly from the received propagation time is emitted to, as in Fig. 5 sliding part 20 with it is red Arrow direction between outer probe 318 shows the direction of propagation of infrared light.Infrared probe 318 according to the difference in propagation time, Export different electric signals.Specifically, infrared probe 318 contains infrared ray transmitting terminal and receiving end, and through a conducting wire 308 with Control assembly 40 is connected.

As shown in Figures 1 to 5, in one embodiment of the utility model, it is preferable that further include: accommodating chamber 60, one It holds and is connected with gas-guide tube 10 away from one end of exhaust outlet, the other end is equipped with avoid holes 602；Sliding part 20 protrudes into accommodating chamber 60, the outer side surface of sliding part 20 is equipped with third protrusion 206, and third protrusion 206 is adapted with accommodating chamber 60, and elasticity is multiple Position part 50 is located at third protrusion 206 and accommodating chamber 60 between the inner wall of gas-guide tube 10.

In this embodiment, accommodating chamber 60 is set away from one end of exhaust outlet in gas-guide tube 10, can is dynamic clamping head and quiet clamping head 50 Setting reliable accommodation space is provided, avoid holes 602 are then connected convenient for detection components 30 with sliding part 20；Pass through control the The volume and quality of three protrusions 206 can control the total quality of sliding part 20, and then change air-flow and push needed for sliding part 20 Thrust, convenient for control stream pressure alarm threshold value.Third protrusion 206 is adapted with accommodating chamber 60, can be in sliding part 20 Position-limiting action is played in moving process.

In one embodiment of the utility model, it is preferable that when the quantity of dynamic clamping head and quiet clamping head 50 is one, elasticity is multiple Position part 50 is set on sliding part 20.

In this embodiment, set-up mode when dynamic clamping head and quiet clamping head 50 is one is specifically defined, by dynamic clamping head and quiet clamping head 50 It is set on sliding part 20, and keeps the inner wall that third protrusion 206 is arranged in compression and accommodating chamber 60 deviates from gas-guide tube 10 Between, the setting quantity of dynamic clamping head and quiet clamping head 50 can be reduced, meanwhile, sliding part 20 can play guiding role for dynamic clamping head and quiet clamping head 50, Effectively prevent 50 skew failure of dynamic clamping head and quiet clamping head.

As shown in Figures 1 to 5, in one embodiment of the utility model, it is preferable that further include: limiting section 70, limit The one end in portion 70 is located in accommodating chamber 60, and the other end of limiting section 70 stretches out accommodating chamber 60 through avoid holes 602, and sliding part 20 deviates from One end of gas-guide tube 10 moves back and forth in the channel that limiting section 70 is formed.

In this embodiment, limiting section 70 is inserted into accommodating chamber 60 through avoid holes 602, channel is formed in limiting section 70, both Installation space is provided for sliding part 20 and detection components 30, and protects sliding part 20 and detection components 30, reduces product Impaired probability extends the service life of product, and the movement for also ensuring sliding part 20 is accurately converted to electric signal, improves The reliability of product, improves safety.

As shown in Figures 1 to 5, in one embodiment of the utility model, it is preferable that gas-guide tube 10 includes pneumatic duct 102, the inlet end of pneumatic duct 102 is towards exhaust outlet, and the outlet side of pneumatic duct 102 is towards sliding part 20, pneumatic duct 102 Inlet end sectional area be less than pneumatic duct 102 outlet side sectional area.

In this embodiment, gas-guide tube 10 includes the tapered pneumatic duct 102 of runner, and is located at sliding part 20 and cooking pot Between the exhaust outlet of tool.When air-flow passes through pneumatic duct 102, gas flow rate increases because runner narrows.The master of pneumatic duct 102 Acting on is amplified to air pressure signal, in order to which detection components 30 detect exhaust condition.

As shown in Figures 1 to 5, in one embodiment of the utility model, it is preferable that the side wall of gas-guide tube 10 is equipped with Gas vent 104；Sliding part 20 is adapted with gas-guide tube 10, is equipped with gas port 208 in sliding part 20, one end of gas port 208 with Gas-guide tube 10 is connected, and when sliding part 20 is moved to predeterminated position, the other end of gas port 208 is connected with gas vent 104.

In this embodiment, sliding part 20 is adapted with gas-guide tube 10, plays gas-guide tube 10 to sliding part 20 good Position-limiting action, it is ensured that mobile stability.The gas port 208 being connected with gas-guide tube 10 is set in sliding part 20, can be drawn The gas in gas-guide tube 10 is led to enter in gas port 208, after sliding part 20 is turned right movement by gas pressure, gas port 208 It moves to right therewith, until reaching predeterminated position and when being connected with gas vent 104, gas is then via gas port 208 from gas vent 104 Place's discharge realizes automatic smooth exhaust, and air pressure is also gradually reduced therewith in cooking apparatus, facilitates anti-Spill stopping pan.

The embodiment of the utility model second aspect provides a kind of cooking apparatus, including as described in above-mentioned any embodiment Anti-overflow device 1.

Cooking apparatus provided by the utility model including anti-overflow device 1 described in any of the above-described embodiment, thus has this Whole technical effects of anti-overflow device 1, details are not described herein.Optionally, cooking apparatus is electromagnetic oven, and the size of gas-guide tube 10 can Be adjusted according to intrinsic 104 size of gas vent of induction cooker cover, Multiple Type product can be matched, have very strong versatility and Embedded type can be implanted into multiple product platform；Heating element is IH coil panel 8 as shown in Figures 1 to 5, anti-overflow device 1 and electricity The connection of magnetic furnace pot cover exhaust outlet, the gas pressure characteristic signal before being boiling over by detection electromagnetic oven, at rear end control assembly 40 Reason can accurately measure overflowing pot signal and control the heating power of IH coil panel 8 to realize to the no-spill intelligent control of electromagnetic oven.

To sum up, the utility model proposes a kind of anti-overflow devices 1 and corresponding anti-overflow detection method, it can be achieved that active Overflowing pot early warning and intelligent control.

In the present invention, term " multiple " then refers to two or more, unless otherwise restricted clearly.Term The terms such as " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be a fixed connection, It can be and be detachably connected, or be integrally connected；" connected " can be directly connected, and can also pass through the indirect phase of intermediary Even.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be Concrete meaning.

In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples In can be combined in any suitable manner.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (15)

1. a kind of anti-overflow device is used for cooking apparatus characterized by comprising

Gas-guide tube, the exhaust outlet of the inlet end of the gas-guide tube towards the cooking apparatus；

Sliding part, the sliding position are led in the one end for deviating from the exhaust outlet in the gas-guide tube, the sliding part described It is intratracheal to move back and forth；

Detection components, the detection components are located at the side that the sliding part deviates from the gas-guide tube, are used for the sliding part Displacement be converted to electric signal；

Control assembly is connected with the detection components, and the control assembly controls the cooking apparatus according to the electric signal Heating element；

The side that the sliding part deviates from the exhaust outlet is arranged in dynamic clamping head and quiet clamping head, compression.

2. anti-overflow device according to claim 1, which is characterized in that

The sliding part is isolation material.

3. anti-overflow device according to claim 2, which is characterized in that

The detection components are specifically used for the displacement of the sliding part being converted to capacitance.

4. anti-overflow device according to claim 3, which is characterized in that

The detection components include:

Conductive sleeve is set in one end that the sliding part deviates from the gas-guide tube；

Conduction brush is in contact with the conductive sleeve, and is connected through a conducting wire with the control assembly；

Conductive sheet is arranged, line direction and air-flow between the conductive sleeve and the conductive sheet with the conductive sleeve interval Direction is consistent, and the conductive sheet is connected through another conducting wire with the control assembly.

5. anti-overflow device according to claim 3, which is characterized in that

The detection components include:

Conductive sleeve, is set in one end that the sliding part deviates from the gas-guide tube, and the conductive sleeve covers the sliding part End wall and partial sidewall；

Conduction brush is in contact with the conductive sleeve, and is connected through a conducting wire with the control assembly；

Conductive sheet is arranged with the conductive sleeve interval, and the length direction of the conductive sheet is moved back and forth with the sliding part Direction is consistent, and the conductive sheet and the conductive sleeve are overlapped along the projection section perpendicular to airflow direction, and overlapping area is with institute It states the movement of sliding part and changes, the conductive sheet is connected through another conducting wire with the control assembly.

6. anti-overflow device according to claim 3, which is characterized in that

The detection components include the first conductive sheet and the second conductive sheet that be opposite and setting, first conductive sheet and described second The length direction of conductive sheet is consistent with the direction that the sliding part moves back and forth, first conductive sheet and second conductive sheet It is connected respectively through a conducting wire with the control assembly；

The sliding part includes the first protrusion, one end that the sliding part deviates from the gas-guide tube is arranged in, described first is convex Portion is between first conductive sheet and second conductive sheet out.

7. anti-overflow device according to claim 2, which is characterized in that

The detection components are slide rheostat；

The sliding part is connected with the slide plate of the slide rheostat.

8. anti-overflow device according to claim 2, which is characterized in that

The detection components include first resistor silk and second resistance silk disposed in parallel, the first resistor silk and described second The length direction of resistance wire is consistent with the direction that the sliding part moves back and forth, the first resistor silk and the second resistance silk It is connected respectively through a conducting wire with the control assembly；

The sliding part includes the second protrusion, one end that the sliding part deviates from the gas-guide tube is arranged in, described second is convex Portion is between the first resistor silk and the second resistance silk out；

The detection components further include:

Conductive sleeve is set in one end that second protrusion deviates from the gas-guide tube；

Conduction brush, quantity are two, and the conduction brush is arranged on the conductive sleeve, and two conduction brush are located at institute It states between conductive sleeve and the first resistor silk between the conductive sleeve and the second resistance silk.

9. anti-overflow device according to claim 2, which is characterized in that

The detection components are infrared probe, the infrared probe towards the sliding part, for detect the infrared probe with The spacing of the sliding part.

10. anti-overflow device according to any one of claim 1 to 9, which is characterized in that further include:

Accommodating chamber, one end are connected with the gas-guide tube away from one end of the exhaust outlet, and the other end is equipped with avoid holes；

The sliding part protrudes into the accommodating chamber, and the outer side surface of the sliding part is equipped with third protrusion, and the third is convex Portion is adapted with the accommodating chamber out, and the dynamic clamping head and quiet clamping head is located at the third protrusion and the accommodating chamber and leads away from described Between the inner wall of tracheae.

11. anti-overflow device according to claim 10, which is characterized in that

When the quantity of the dynamic clamping head and quiet clamping head is one, the dynamic clamping head and quiet clamping head is set on the sliding part.

12. anti-overflow device according to claim 10, which is characterized in that further include:

One end of limiting section, the limiting section is located in the accommodating chamber, and the other end of the limiting section is stretched through the avoid holes The accommodating chamber out, the sliding part move back and forth in the channel that the limiting section is formed away from one end of the gas-guide tube.

13. anti-overflow device according to any one of claim 1 to 9, which is characterized in that the gas-guide tube includes pneumatic contains Road, for the inlet end of the pneumatic duct towards the exhaust outlet, the outlet side of the pneumatic duct is described towards the sliding part The sectional area of the inlet end of pneumatic duct is less than the sectional area of the outlet side of the pneumatic duct.

14. anti-overflow device according to any one of claim 1 to 9, which is characterized in that

The side wall of the gas-guide tube is equipped with gas vent；

The sliding part is adapted with the gas-guide tube, and gas port, one end of the gas port and institute are equipped in the sliding part Gas-guide tube is stated to be connected, when the sliding part is moved to predeterminated position, the other end of the gas port and the gas vent phase Connection.

15. a kind of cooking apparatus, which is characterized in that including the anti-overflow device as described in any one of claims 1 to 14.