CN203953299U - Pressure cooking appliance and folding lid indicating device - Google Patents
Pressure cooking appliance and folding lid indicating device Download PDFInfo
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- CN203953299U CN203953299U CN201420283864.4U CN201420283864U CN203953299U CN 203953299 U CN203953299 U CN 203953299U CN 201420283864 U CN201420283864 U CN 201420283864U CN 203953299 U CN203953299 U CN 203953299U
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- indicator
- folding lid
- pressure cooking
- cooking appliance
- indicating device
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- 238000010411 cooking Methods 0.000 title claims abstract description 86
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 230000001960 triggered effect Effects 0.000 claims abstract description 15
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000009413 insulation Methods 0.000 claims description 49
- 229910052754 neon Inorganic materials 0.000 claims description 6
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 6
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 239000000741 silica gel Substances 0.000 description 8
- 229910002027 silica gel Inorganic materials 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of pressure cooking appliance and folding lid indicating device.Pressure cooking appliance comprises: pot body; Pot cover; Heater; Folding lid indicating device, folding lid one end of indicating device and the other end of heater are connected, the folding lid other end of indicating device and the other end of alternating current are connected, folding lid indicating device comprises folding lid indicator and normally closed switch, folding lid indicator is in parallel with normally closed switch, wherein, and at pot cover and pot body not during the state in complete closure, the normally closed switch disconnection that is triggered, the energising of folding lid indicator is to send alarm to user.This pressure cooking appliance normally closed switch when pot cover and pot body are completely not closed is triggered to disconnect and can makes folding lid indicator seal in whole heating circuit, makes heater cannot carry out work, and sends alarm, thereby can guarantee to cook safety.The invention also discloses a kind of folding lid indicating device of pressure cooking appliance.
Description
Technical field
The utility model relates to living electric apparatus technical field, particularly a kind of pressure cooking appliance and folding lid indicating device.
Background technology
Pressure cooking appliance for example electric pressure cooking saucepan when cooking food, the pressure in pot generally can be very high, therefore need the pot cover of electric pressure cooking saucepan and pot body completely closed to guarantee to cook safety, thereby need to carry out folding lid when culinary art, detect.
In correlation technique, be generally whether by tongue tube, detect pot cover completely closed with pot body, after tongue tube detects pot cover and the complete closure of pot body, control again electric pressure cooking saucepan and start to cook.But, if can cause erroneous judgement when tongue tube breaks down, thereby make electric pressure cooking saucepan when culinary art, have certain potential safety hazard.
Utility model content
The purpose of this utility model is intended at least solve above-mentioned technological deficiency.
For this reason, an object of the present utility model is to propose a kind of pressure cooking appliance, this pressure cooking appliance normally closed switch when pot cover and pot body are completely not closed is triggered to disconnect and can makes folding lid indicator seal in whole heating circuit, make heater cannot carry out work, and send alarm, thereby can guarantee to cook safety.
Another object of the present utility model is to propose a kind of folding lid indicating device of pressure cooking appliance.
For achieving the above object, a kind of pressure cooking appliance that the utility model proposes on the one hand, comprising: pot body; Pot cover; Heater, one end of described heater is connected with one end of the alternating current of input; And folding lid indicating device, described folding lid one end of indicating device and the other end of described heater are connected, the described folding lid other end of indicating device and the other end of described alternating current are connected, described folding lid indicating device comprises folding lid indicator and normally closed switch, described folding lid indicator is in parallel with described normally closed switch, wherein, at described pot cover and described pot body not during the state in complete closure, the disconnection that is triggered of described normally closed switch, the energising of described folding lid indicator is to send alarm to user.
According to pressure cooking appliance of the present utility model, at the other end of alternating current of input, folding lid indicating device is set and detects the whether not state in complete closure of pot cover and pot body cover normally closed switch in indicating device by folding, and in the not normally closed switch disconnection that the is triggered during state in complete closure of pot cover and pot body, folding lid indicator energising in folding lid indicating device like this, make heater cannot carry out work, and folding lid indicator sends alarm, prompting user pot cover is completely not closed with pot body, when bringing convenience to user, guarantee culinary art safety.
Further, described folding lid indicator comprises the first resistance and the folding lid indicator lamp of series connection, and wherein, when described normally closed switch is closed, described folding lid indicator is by short circuit, and described folding lid indicator lamp extinguishes.
And described folding lid indicator lamp can be neon lamp.
Preferably, described normally closed switch is microswitch.
Particularly, described heater specifically comprises: insulation indicator, and one end of described insulation indicator is connected with one end of described alternating current; Add heat indicator, described one end that adds heat indicator is connected with the other end of described insulation indicator, the described other end that adds heat indicator is connected with one end of described folding lid indicating device, described in add between one end of heat indicator and the other end of described insulation indicator and there is first node; Timer, one end of described timer is connected respectively with one end of described insulation indicator with one end of described alternating current, described timer comprises time switch and timing unit, between described time switch and described timing unit, have Section Point, described Section Point is connected with described first node; Kick temperature controller and pressure switch, one end of described kick temperature controller is connected with described Section Point, and the other end of described kick temperature controller is connected with one end of described pressure switch, and the other end of described pressure switch is connected with the other end of described timer; Insulation sheet, one end of described insulation sheet is connected respectively with one end of described insulation indicator and one end of described alternating current, and the other end of described insulation sheet is connected with the other end of described pressure switch; Heating plate, one end of described heating plate is connected with the other end of described timer, and the other end of described heating plate is connected respectively with one end of described folding lid indicating device with the described other end that adds heat indicator.
Wherein, described insulation indicator comprise series connection the second resistance and insulation indicator lamp, described in add the 3rd resistance and the burner on light that heat indicator comprises series connection.
And the resistance of described the first resistance is much larger than the resistance of described heating plate.
For achieving the above object, the folding lid indicating device of a kind of pressure cooking appliance proposing on the other hand of the present utility model, comprise folding lid indicator and normally closed switch, the other end of described folding lid one end of indicator and the alternating current of input is connected, the other end of described folding lid indicator is connected by the heater of described pressure cooking appliance and one end of described alternating current, described normally closed switch is in parallel with described folding lid indicator, wherein, at the pot cover of described pressure cooking appliance and pot body not during the state in complete closure, the disconnection that is triggered of described normally closed switch, the energising of described folding lid indicator is to send alarm to user.
According to the folding lid indicating device of pressure cooking appliance of the present utility model, can be arranged on the other end of the alternating current of input, by normally closed switch, detect pot cover and the pot body state in complete closure whether not, and in the not normally closed switch disconnection that the is triggered during state in complete closure of pot cover and pot body, folding lid indicator energising like this, make the heater in pressure cooking appliance cannot carry out work, and folding lid indicator sends alarm, prompting user pot cover is completely not closed with pot body, when bringing convenience to user, guarantee the culinary art safety of pressure cooking appliance.
Further, described folding lid indicator comprises the first resistance and the folding lid indicator lamp of series connection, and wherein, when described normally closed switch is closed, described folding lid indicator is by short circuit, and described folding lid indicator lamp extinguishes.
Preferably, described folding lid indicator lamp is neon lamp, and described normally closed switch is microswitch.
The aspect that the utility model is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the utility model and advantage will become from the following description of the accompanying drawings of embodiments and obviously and easily understand, wherein:
Fig. 1 is according to the circuit diagram of the pressure cooking appliance of the utility model embodiment;
Fig. 2 is according to the schematic diagram of the pressure cooking appliance of an embodiment of the utility model;
Fig. 3 is according to the schematic diagram of the electric pressure cooking saucepan of an embodiment of the present utility model;
Fig. 4 is according to the top view of the electric pressure cooking saucepan of an embodiment of the present utility model;
Fig. 5 is according to the schematic diagram of the pot cover of the electric pressure cooking saucepan of an embodiment of the present utility model;
Fig. 6 is according to the schematic diagram of the jacket of the electric pressure cooking saucepan of an embodiment of the present utility model;
Fig. 7 is according to the structural representation of the microswitch of the electric pressure cooking saucepan of an embodiment of the present utility model;
Fig. 8 is according to the schematic diagram of the microswitch of the electric pressure cooking saucepan of an embodiment of the present utility model;
Fig. 9 is according to the side view of the microswitch in Fig. 7;
Figure 10 is according to the structural representation of the microswitch of the electric pressure cooking saucepan of another embodiment of the present utility model;
Figure 11 is according to the structural representation of the push rod of the microswitch of an embodiment of the present utility model;
Figure 12 is according to the structural representation of the push rod of the microswitch of another embodiment of the utility model;
Figure 13 is according to the structural representation of the microswitch of another embodiment of the present utility model;
Figure 14 is according to the structural representation of the microswitch of another embodiment of the present utility model.
Reference numeral:
100: electric pressure cooking saucepan;
1: pot body; 12: shell; 13: interior pot; 14: jacket; 141: double-screw bolt; 142: securing member; 143: through hole;
2: pot cover; 21: boss;
3: microswitch (normally closed switch); 31: pilot hole;
10: fore shell; 11: installing hole;
20: back cover;
30: securing supports;
40: active supporting piece;
50: stator; 51: the first contacts;
60: moving plate; 61: moving plate first end; 62: moving plate the second end; 63: the second contacts;
70: push rod; 71: pushing part; 711: lower end; 72 (72a): connecting portion; 721 (721a): first end; 722 (722a) second end; 73: diversion portion; 74: retaining section; 75: silica gel sheath;
80: elastic component;
90: spring leaf;
101: heater; 1011: insulation indicator; 1012: add heat indicator; 1013: timer; 1014: kick temperature controller; 1015: insulation sheet; 1016: heating plate; Pressure switch K2, time switch K1 and timing unit M, the second resistance R 2 and insulation indicator lamp 10111, the three resistance R 3 and burner on light 10121;
102: folding lid indicating device;
103: folding lid indicator; The first resistance R 1 and folding lid indicator lamp 1031.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present utility model.Of the present utility model open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the utility model.In addition, the utility model can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the utility model provides and the example of material, but those of ordinary skills can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are for the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the present utility model, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
Describe with reference to the accompanying drawings the pressure cooking appliance that proposes according to the utility model embodiment and folding lid indicating device.Wherein, pressure cooking appliance can be electric pressure cooking saucepan.
Fig. 1 is according to the circuit diagram of the pressure cooking appliance of the utility model embodiment, and Fig. 2 is according to the schematic diagram of the pressure cooking appliance of an embodiment of the utility model.As depicted in figs. 1 and 2, this pressure cooking appliance 100 comprises: pot body 1, pot cover 2, heater 101 and folding lid indicating device 102.
Wherein, one end of one end of heater 101 and the alternating current of input for example zero line N is connected, one end of folding lid indicating device 102 is connected with the other end of heater 101, the other end of the other end of folding lid indicating device 102 by fuse and alternating current for example live wire L is connected, folding lid indicating device 102 comprises folding lid indicator 103 and normally closed switch 3, folding lid indicator 103 is in parallel with normally closed switch 3, wherein, at pot cover 2 and pot body 1 not during the state in complete closure, normally closed switch 3 disconnection that is triggered, 103 energisings of folding lid indicator are to send alarm to user, say, when pot cover 2 and pot body 1, carrying out in closed process is in the process of closing lid, if pot cover 2 and pot body 1 be the state in complete closure not, normally closed switch 3 disconnection that is triggered, folding lid indicator 103 energising places in circuit, thereby make heater 101 cannot carry out work, guarantee the culinary art safety of pressure cooking appliance, and folding lid indicator 103 sends alarm to user, notify in time user.
It should be noted that, pot cover 2 and pot the body 1 not state in complete closure can refer to that it is that in the process of closing lid, pot cover 2 does not put in place with the complete closure of pot body 1 that pot cover 2 and pot body carry out in closed process.
According to an embodiment of the present utility model, as shown in Figure 1, folding lid indicator 103 can comprise the first resistance R 1 and the folding lid indicator lamp 1031 of series connection, when at pot cover 2, closure does not put in place completely with pot body 1 like this, folding lid indicator lamp 1031 sends light prompt, clearly reminding user.Wherein, when normally closed switch 3 is closed, folding lid indicator 103 is by short circuit, and folding lid indicator lamp 1031 extinguishes.Particularly, folding lid indicator lamp 1031 can be neon lamp.
In embodiment of the present utility model, normally closed switch 3 can be microswitch.Particularly, when pressure cooking appliance is electric pressure cooking saucepan, below with reference to Fig. 2 to Figure 14, describe according to the electric pressure cooking saucepan 100 of the utility model embodiment and microswitch 3.
According to the electric pressure cooking saucepan 100 of the utility model embodiment, comprise pot body 1, pot cover 2 and microswitch 3.
Wherein, as shown in Figures 2 to 4, pot cover 2 is rotatably located on pot body 1 to open or close pot body 1.For example, on pot cover 2, can be provided with a pot tooth, pot can be provided with flange on body 1, at pot cover 2, is buckled on pot body 1 and when relatively a pot body 1 rotate, can realize coordinating of pot tooth and flange, thereby the object of pot body 1 is sealed or opened in realization.
As shown in Figure 2, microswitch 3 is located in pot body 1 and has push rod 70, and this push rod 70 can be special-shaped push rod, i.e. non-straight-bar push rod, and this abnormity push rod can prevent that water from flowing in microswitch 3.Further, microswitch 3 also can be provided with retaining section 74, and due to the barrier effect of retaining section 74, current can not flow into installing hole 11 along the periphery wall of push rod 70 and enter in microswitch 3, have guaranteed the safety in utilization of microswitch 3.
Wherein pot cover 2 coordinates with push rod 70 and for driving push rod 70 to move up and down between primary importance and the second place, so that microswitch 3 is in off-state or closure state.Specifically, when push rod 70 is positioned at primary importance, while that is to say push rod 70 by pot cover 2 pushing downwards, microswitch 3 is in off-state, folding lid indicator 103 place in circuit energisings like this, folding lid indicator lamp 1031 is lighted, and makes heater 101 cannot carry out work, can judge that now pot cover 2 is completely not closed with pot body 1.When push rod 70 is positioned at the second place, namely push rod 70 is not subject to the pushing of pot cover 2 and for example, while popping up (pot cover is opened to uncap completely with the pot complete closure of body or pot cover and boiled), now microswitch 3 is in closure state, folding lid indicator 103 is by short circuit power-off like this, folding lid indicator lamp 1031 extinguishes, heater can normally be worked, and now electric pressure cooking saucepan 100 can normally be worked.Need to illustrate a bit, " push rod 70 is not subject to the pushing of pot cover 2 " here comprises two kinds of situations, and wherein a kind of is the situation that pot cover 2 is taken away from pot body 1, and when another kind of situation is pot cover 2 and pot body 1 complete closure, pot cover 2 does not push push rod 70 yet.
When pot cover 2 is opened completely with pot body 1, namely pot cover 2 is when pot body 1 is taken away, push rod 70 is positioned at the second place, now microswitch 3 is in closure state, heater is normal work like this, now electric pressure cooking saucepan 100 can normally be worked, and has so just realized the function that electric pressure cooking saucepan 100 is uncapped and boiled, and practicality is good.
According to the electric pressure cooking saucepan 100 of the utility model embodiment, by microswitch 3 is set, can realize when not covering pot cover 2, pot body 1 electric pressure cooking saucepan 100 when open mode still can normally carry out culinary art work, realize the function that electric pressure cooking saucepan 100 is uncapped and boiled, greatly improved the practicality of electric pressure cooking saucepan 100.
According to an embodiment of the present utility model, as shown in Figure 2, pot body 1 comprises shell 12, interior pot 13 and jacket 14.
As shown in Figure 2, wherein interior pot 13 is located in shell 12, and interior pot 13 is for holding cooking food.
Between shell 12 and interior pot 13, be limited with container cavity, jacket 14 is set in outside and the sealing container cavity of interior pot 13, wherein microswitch 3 is located in container cavity, can make like this electric pressure cooking saucepan 100 more attractive in appearance and can avoid foreign matter to enter container cavity, damage microswitch 3, the security and the service life that have strengthened electric pressure cooking saucepan 100.
The upper end of push rod 70 extends upward through jacket 14, so that and pot cover 2 cooperations.Be understandable that, on jacket 14, can be formed with the structure that allows the upper end of push rod 70 pass, for example, as shown in Figure 6, on jacket 14, be formed with the through hole 143 with push rod 70 upper end adaptations.
As shown in Figure 5, the bottom of pot cover 2 is provided with the boss 21 that is suitable for pushing against push rod 70.Boss 21 is from the bottom of pot cover 2 to downward-extension.When closing pot body 1, first pot cover 2 is placed on pot body 1 like this, now boss 21 is positioned at the top of push rod 70 and pushes push rod 70 downwards, so that microswitch 3 is in off-state, electric pressure cooking saucepan 100 cannot carry out culinary art work again.
When rotation pot cover 2 is to during screwing closed position, when pot cover 2 is completely closed with pot body 1, boss 21 will depart from push rod 70, make under the elastic force effect of the elastic component 80 that push rod 70 will mention below, be moved upward to the second place, now microswitch 3 is in closure state, and at this moment electric pressure cooking saucepan 100 can normally be worked.
Wherein, if pot cover 2 is completely not closed with pot body 1, push rod 70 is positioned at primary importance, that is to say that push rod 70 is pushed by pot cover 2 downwards, microswitch 3 is in off-state, folding lid indicator 103 place in circuit energisings like this, folding lid indicator lamp 1031 is lighted, and makes heater 101 cannot carry out work.
As shown in Figure 7, on microswitch 3, there is pilot hole 31, and as shown in Figure 3 and Figure 6, on the bottom surface of jacket 14, be provided with the double-screw bolt 141 to downward-extension, so that for example screw or bolt are fastened on microswitch 3 on double-screw bolt 141 through this pilot hole 31 by securing member 142.
According to Fig. 7 to Figure 14, at length introduce the microswitch 3 in the utility model embodiment below.
As shown in Fig. 7 to Figure 14, according to the microswitch 3 of the utility model embodiment, comprise: fore shell 10, back cover 20, securing supports 30, active supporting piece 40, stator 50, moving plate 60, push rod 70 and elastic component 80.
Particularly, be formed with installing hole 11 on fore shell 10, back cover 20 is connected with fore shell 10.Securing supports 30 is arranged on fore shell 10, and active supporting piece 40 can be connected with securing supports 30 up or down.Stator 50 is arranged on fore shell 10, and stator 50 is provided with the first contact 51.The moving plate first end 61 of moving plate 60 is connected with active supporting piece 40, and moving plate second end 62 of moving plate 60 extends to stator 50 belows through securing supports 30, and moving plate second end 62 of moving plate 60 is provided with the second contact 63 coordinating with the first contact 51.
Push rod 70 is located in installing hole 11, and the lower end of push rod 70 is connected with active supporting piece 40, elastic component 80 is located between push rod 70 and active supporting piece 40, and the first end of elastic component 80 is connected with the lower end of push rod 70, and the second end of elastic component 80 is connected with active supporting piece 40.
Wherein, between the second end 62 of securing supports 30 and moving plate 60, spring leaf 90 is also installed.
When microswitch 3 remains static, elastic component 80 is in relaxed state, and the second contact 63 of moving plate 60 contacts with the first contact 51 of stator 50.When push rod 70 is during stressed moving down, first push rod 70 pushes elastic component 80 and applies certain active force downwards, elastic component 80 by force transmission to active supporting piece 40, Compressive activities support member 40 moves down, and drive moving plate 60 to move down, thereby make the second contact 63 on moving plate 60 separated with the first contact 51 of stator 50, microswitch 3 produces action.Now, push rod 70 can continue to move down, until elastic component 80 is extruded into maximum displacement.
Thus, according to the microswitch 3 of the utility model embodiment, by elastic component 80 being set between push rod 70 and active supporting piece 40, elastic component 80 has certain cushioning effect, at push rod 70 extruding elastic components 80 and after reaching microswitch 3 actions, push rod 70 still can continue mobile, thereby push rod 70 can obtain larger displacement, there is larger activity space, increased the scope of application of microswitch 3.
Selection about elastic component 80 is not particularly limited, and can adopt the conventional technological means of those of ordinary skills.According to an embodiment of the present utility model, elastic component 80 is spring.Thus, spring structure is simple, and wide material sources, and good springiness are with low cost.
The environment for use of considering microswitch 3 has more steam conventionally; for fear of the steam producing, from push rod 70 upper reaches, enter in microswitch; as shown in Figure 8 and Figure 9; according to an embodiment of the present utility model; push rod 70 forms column; on the outer peripheral face of push rod 70, be formed with retaining section 74, the area of the orthographic projection of retaining section 74 on fore shell 10 is greater than the area of installing hole 11.Thus, have current lower times on push rod 70, due to the barrier effect of retaining section 74, current can not flow into installing hole 11 and enter in microswitch 3 along the periphery wall of push rod 70, have guaranteed the safety in utilization of microswitch 3.
Particularly, about the shape of retaining section 74, be not particularly limited, as long as meet the openings of sizes that its size is greater than installing hole 11.Alternatively, as shown in Figure 8, according to an embodiment of the present utility model, retaining section 74 forms square baffle plate.
Further, as shown in figure 10, according to an embodiment of the present utility model, microswitch 3 also comprises: silica gel sheath 75, silica gel sheath 75 is set on push rod 70, silica gel sheath 75 between retaining section 74 and installing hole 11 and the lower end of silica gel sheath 75 be only against on the upper surface of fore shell 10.Thus, by silica gel sheath 75 being set between retaining section 74 and installing hole 11, water on push rod 70 can be flow to the upper surface of fore shell 10 from the surface of silica gel sheath 75, and can not enter in installing hole 11, and the lower end of silica gel sheath 75 is connected on the upper surface of fore shell 10, blocked installing hole 11 and extraneous being communicated with, can effectively prevent that steam or current from entering in microswitch 3, further promoted the safety in utilization of microswitch 3.
It should be noted that, the shape of push rod 70 can rationally regulate according to the environment for use of microswitch 3, and preferably, according to an embodiment of the present utility model, as shown in Figure 11 to 14, push rod 70 is special-shaped bar.Thus, the push rod 70 of special-shaped bar structure can coordinate with various structures, is applicable to various non-coaxial, non-isoplanar assembly relations, and can increase to a certain extent the activity space of microswitch 3.
Alternatively, as shown in Figure 11 and Figure 12, according to an embodiment of the present utility model, push rod 70 comprises: pushing part 71, connecting portion 72 and diversion portion 73.
Particularly, pushing part 71 is arranged in installing hole 11, and the lower end 711 of pushing part 71 is connected with elastic component 80.The first end 721 of connecting portion 72 is connected with pushing part 71, diversion portion 73 is connected with the second end 722 of connecting portion 72, and the upper surface of the first end 721 of connecting portion 72 is more than or equal to the upper surface of the second end 722 with respect to the height of pushing part 71 with respect to the height of pushing part 71.In other words, pushing part 71 and diversion portion 73 in the vertical directions are arranged spaced apart, the upper surface of the second end 722 being connected with diversion portion 73 is less than or equal to the upper surface of the first end 721 being connected with pushing part 71 with respect to the height of pushing part 71 with respect to the height of pushing part 71, that is to say the upper surface that the upper surface of first end 721 height is in the horizontal direction more than or equal to the second end 722 height in the horizontal direction.Thus, on push rod 70, there are current through out-of-date, under the cooperation of diversion portion 73 and connecting portion 72, because the upper surface of the first end 721 of connecting portion 72 is higher or contour with respect to the position of the upper surface of the second end 722, when the external world has current through diversion portion 73, the second end 722 that can be not lower from the relative position of connecting portion 72 flows to the higher or contour first end of relative position 721, thereby avoids current to flow to microswitch 3 inside, has improved the safety in utilization of microswitch 3.
Shape about connecting portion 72 is not particularly limited, as long as can realize above-mentioned technique effect.Alternatively, as shown in Figure 8, according to an embodiment of the present utility model, connecting portion 72 forms straight-bar, and connecting portion 72 is connected with diversion portion 73 is vertical with pushing part 71 respectively.Further, the second end 722 of connecting portion 72 is connected with the lower end of diversion portion 73, and the first end 721 of connecting portion 72 is connected with the upper end of pushing part 71.Thus, this connecting portion 72 is simple in structure, prepares material few, cheap.
According to an embodiment of the present utility model, as shown in figure 12, connecting portion 72a forms bow, and the second end 721a of connecting portion 72a is connected with diversion portion 73, and the second end 722a of connecting portion 72a is connected with pushing part 71.Preferably, the height of the upper end of diversion portion 73 is greater than the height of the upper end of pushing part 71, and the lower end of diversion portion 73 flushes with the lower end of pushing part 71.Further, the height of the first end 721a of connecting portion 72a is greater than the height of the second end 722a.Thus, the connecting portion 72a of this structure can drain into the current in diversion portion 73 end of diversion portion 73 better, has guaranteed the waterproof effect of microswitch 3.
Consider preparation cost problem, according to an embodiment of the present utility model, pushing part 71, connecting portion 72 and diversion portion 73 are integrally formed.Thus, the structure being integrally formed not only can guarantee the overall structure stability of push rod 70, and can reduce preparation difficulty, controls preparation cost.
Can also be as shown in Figure 13 and Figure 14 according to the special-shaped pusher structure of the microswitch 3 of the utility model embodiment, the microswitch 3 of this structure can be adaptive with multiple other structures, expand the scope of application of microswitch 3, and can play waterproof action equally.
More than to make microswitch 3 in off-state or closure state to the structure of microswitch 3 and with pot body 1, pot cover 2 associated action, wherein, be understandable that, microswitch 3 is in normally off, only completely not closed at pot cover 2 and pot body 1, push rod 70 is positioned at primary importance, that is to say that push rod 70 is pushed by pot cover 2 downwards, and microswitch 3 is just in off-state.
Particularly, according to an embodiment of the present utility model, as shown in Figure 1, heater 101 comprises: be incubated indicator 1011, add heat indicator 1012, timer 1013, kick temperature controller 1014 and pressure switch K2, insulation sheet 1015 and heating plate 1016.
Wherein, insulation one end of indicator 1011 and one end of alternating current for example zero line N are connected, the one end that adds heat indicator 1012 is connected with the other end of insulation indicator 1011, the other end that adds heat indicator 1012 is connected with one end of folding lid indicating device 102, adds between one end of heat indicator 1012 and the other end of insulation indicator 1011 and has first node J1; One end of timer 103 and one end of alternating current for example zero line N are connected respectively with one end of insulation indicator 1011, timer 1013 comprises time switch K1 and timing unit M, between time switch K1 and timing unit M, have Section Point J2, Section Point J2 is connected with first node J1; One end of kick temperature controller 1014 is connected with Section Point J2, and the other end of kick temperature controller 1014 is connected with one end of pressure switch K2, and the other end of pressure switch K2 is connected with the other end of timer 1013; One end of insulation sheet 1015 and insulation one end of indicator 1011 and one end of alternating current for example zero line N are connected respectively, and the other end of insulation sheet 1015 is connected with the other end of pressure switch K2; One end of heating plate 1016 is connected with the other end of timer 1013, and the other end of heating plate 1016 is connected respectively with one end of folding lid indicating device 102 with the other end that adds heat indicator 1012.
And as shown in Figure 1, insulation indicator 1011 comprises the second resistance R 2 and the insulation indicator lamp 10111 of series connection, adds the 3rd resistance R 3 and burner on light 10121 that heat indicator 1012 comprises series connection.
In embodiment of the present utility model, the resistance of the first resistance R 1 is much larger than the resistance of heating plate 1016.Wherein, what the resistance of the first resistance R 1 can be for kilo-ohm level, and the resistance of heating plate 1016 is only ohm level, when folding lid indicator place in circuit, heating plate just cannot carry out work like this.
As shown in Figure 1, in embodiment of the present utility model, pressure cooking appliance for example electric pressure cooking saucepan in the situation that pot cover closing lid puts in place completely or uncaps completely, under the state that heating plate 1016 heats, electric current is flowed out by the live wire L of alternating current, flow through microswitch 3, when pressure switch K2 and kick temperature controller 1014 is simultaneously closed, electric current flows through heating plate 1016 and the parallel circuit that adds heat indicator 1012 (burner on light is in series with a resistor), flow into again time switch K1, finally flow back to zero line N, under this state, burner on light is bright, insulation indicator lamp, folding lid indicator lamp goes out, timing unit M quits work, heating plate carries out heating work, when in pressure switch K2 and kick temperature controller 1014, any one disconnects, electric current flows through the parallel circuit after the series circuit that adds heat indicator 1012 and heating plate and timer composition, flow into again time switch K1, finally flow back to zero line N, under this state, burner on light is bright, and insulation indicator lamp, folding lid indicator lamp go out, timer work, heating plate stops heating work.
Pressure cooking appliance for example electric pressure cooking saucepan in the situation that pot cover closing lid puts in place completely or uncaps completely, under the state that insulation sheet 1015 is incubated, electric current is flowed out by the live wire L of alternating current, flow through microswitch 3, through heating plate 1016, flow into insulation sheet 1015 and the parallel circuit that is incubated indicator 1011, finally flow back to zero line N.Under this state, insulation indicator lamp is bright, and burner on light, folding lid indicator lamp go out, and insulation sheet 1015 starts heating and is incubated.
Pressure cooking appliance for example electric pressure cooking saucepan pot cover and pot body completely closure be that closing lid is in the situation that not in place, under the state that heating plate 1016 heats, microswitch 3 disconnection that is triggered, electric current is flowed out by the live wire L of alternating current, through folding lid indicator 102, when pressure switch K2 and kick temperature controller 1014 is simultaneously closed, electric current flows through heating plate 1016, flow into again time switch K1, finally flow back to zero line N, under this state, folding lid indicator lamp is bright, burner on light, insulation indicator lamp go out, and insulation sheet and heating plate stop heating, and timer quits work; When in pressure switch K2 and kick temperature controller 1014, any one disconnects, electric current flows through the parallel circuit after the series circuit that adds heat indicator 1012 and heating plate and timer composition, flow into again time switch K1, finally flow back to zero line N, under this state, folding lid indicator lamp is bright, and burner on light, insulation indicator lamp go out, insulation sheet and heating plate stop heating, timer work.
Pressure cooking appliance for example electric pressure cooking saucepan pot cover and pot body completely closure be that closing lid is in the situation that not in place, under the state that insulation sheet 1015 is incubated, electric current is flowed out by the live wire L of alternating current, through folding lid indicator 102, through heating plate 1016, flow into insulation sheet 1015, finally flow back to zero line N.Under this state, folding lid indicator lamp is bright, and insulation indicator lamp, burner on light go out, and insulation sheet and heating plate stop heating.
Hence one can see that, the pressure cooking appliance of the utility model embodiment for example electric pressure cooking saucepan 100 (especially boils from uncapping the process that closing lid boils) if when pot cover 2 is completely closed with pot body 1 in pot cover 2 and pot body 1 carry out process that closure is closing lid, push rod 70 in microswitch 3 is subject to the pushing of pot cover 2, make microswitch 3 in off-state, indicator 103 places in circuit are covered in folding like this, make heater 101 cannot carry out work, and the folding lid indicator lamp 1031 in folding lid indicator 103 is lighted and is sent light warning prompting, facilitate user to know that in time pot cover 2 and pot body 1 are completely not closed, not only to user, bring convenience, also guarantee culinary art safety.
According to the pressure cooking appliance of the utility model embodiment, at the other end of alternating current of input, folding lid indicating device is set and detects the whether not state in complete closure of pot cover and pot body cover normally closed switch in indicating device by folding, and in the not normally closed switch disconnection that the is triggered during state in complete closure of pot cover and pot body, folding lid indicator energising in folding lid indicating device like this, make heater cannot carry out work, and folding lid indicator sends alarm, prompting user pot cover is completely not closed with pot body, when bringing convenience to user, guarantee culinary art safety.
In addition, embodiment of the present utility model has also proposed a kind of folding lid indicating device of pressure cooking appliance, it comprises folding lid indicator and normally closed switch, the other end of folding lid one end of indicator and the alternating current of input is connected, the other end of folding lid indicator is connected by the heater of pressure cooking appliance and one end of alternating current, normally closed switch is in parallel with folding lid indicator, wherein, at the pot cover of pressure cooking appliance and pot body not during the state in complete closure, the normally closed switch disconnection that is triggered, the energising of folding lid indicator is to send alarm to user.
Further, according to an embodiment of the present utility model, folding lid indicator comprises the first resistance and the folding lid indicator lamp of series connection, and wherein, when normally closed switch is closed, folding lid indicator is by short circuit, and folding lid indicator lamp extinguishes.
Preferably, folding lid indicator lamp can be neon lamp, and normally closed switch can be microswitch.
According to the folding lid indicating device of the pressure cooking appliance of the utility model embodiment, can be arranged on the other end of the alternating current of input, by normally closed switch, detect pot cover and the pot body state in complete closure whether not, and in the not normally closed switch disconnection that the is triggered during state in complete closure of pot cover and pot body, folding lid indicator energising like this, make the heater in pressure cooking appliance cannot carry out work, and folding lid indicator sends alarm, prompting user pot cover is completely not closed with pot body, when bringing convenience to user, guarantee the culinary art safety of pressure cooking appliance.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that in the situation that not departing from principle of the present utility model and spirit and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is by claims and be equal to and limit.
Claims (10)
1. a pressure cooking appliance, is characterized in that, comprising:
Pot body;
Pot cover;
Heater, one end of described heater is connected with one end of the alternating current of input; And
Folding lid indicating device, described folding lid one end of indicating device and the other end of described heater are connected, the described folding lid other end of indicating device and the other end of described alternating current are connected, described folding lid indicating device comprises folding lid indicator and normally closed switch, described folding lid indicator is in parallel with described normally closed switch, wherein, at described pot cover and described pot body not during the state in complete closure, the disconnection that is triggered of described normally closed switch, the energising of described folding lid indicator is to send alarm to user.
2. pressure cooking appliance as claimed in claim 1, is characterized in that, described folding lid indicator comprises the first resistance and the folding lid indicator lamp of series connection, wherein, when described normally closed switch is closed, described folding lid indicator is by short circuit, and described folding lid indicator lamp extinguishes.
3. pressure cooking appliance as claimed in claim 2, is characterized in that, described folding lid indicator lamp is neon lamp.
4. the pressure cooking appliance as described in any one in claim 1-3, is characterized in that, described normally closed switch is microswitch.
5. pressure cooking appliance as claimed in claim 1 or 2, is characterized in that, described heater specifically comprises:
Insulation indicator, one end of described insulation indicator is connected with one end of described alternating current;
Add heat indicator, described one end that adds heat indicator is connected with the other end of described insulation indicator, the described other end that adds heat indicator is connected with one end of described folding lid indicating device, described in add between one end of heat indicator and the other end of described insulation indicator and there is first node;
Timer, one end of described timer is connected respectively with one end of described insulation indicator with one end of described alternating current, described timer comprises time switch and timing unit, between described time switch and described timing unit, have Section Point, described Section Point is connected with described first node;
Kick temperature controller and pressure switch, one end of described kick temperature controller is connected with described Section Point, and the other end of described kick temperature controller is connected with one end of described pressure switch, and the other end of described pressure switch is connected with the other end of described timer;
Insulation sheet, one end of described insulation sheet is connected respectively with one end of described insulation indicator and one end of described alternating current, and the other end of described insulation sheet is connected with the other end of described pressure switch;
Heating plate, one end of described heating plate is connected with the other end of described timer, and the other end of described heating plate is connected respectively with one end of described folding lid indicating device with the described other end that adds heat indicator.
6. pressure cooking appliance as claimed in claim 5, is characterized in that, described insulation indicator comprise series connection the second resistance and insulation indicator lamp, described in add the 3rd resistance and the burner on light that heat indicator comprises series connection.
7. pressure cooking appliance as claimed in claim 5, is characterized in that, the resistance of described the first resistance is much larger than the resistance of described heating plate.
8. indicating device is covered in the folding of a pressure cooking appliance, it is characterized in that, comprise folding lid indicator and normally closed switch, the other end of described folding lid one end of indicator and the alternating current of input is connected, the other end of described folding lid indicator is connected by the heater of described pressure cooking appliance and one end of described alternating current, described normally closed switch is in parallel with described folding lid indicator, wherein, at the pot cover of described pressure cooking appliance and pot body not during the state in complete closure, the disconnection that is triggered of described normally closed switch, the energising of described folding lid indicator is to send alarm to user.
9. the folding of pressure cooking appliance as claimed in claim 8 lid indicating device, is characterized in that, described folding lid indicator comprises the first resistance and the folding lid indicator lamp of series connection, wherein, when described normally closed switch is closed, described folding lid indicator is by short circuit, and described folding lid indicator lamp extinguishes.
10. the folding of pressure cooking appliance as claimed in claim 9 lid indicating device, is characterized in that, described folding lid indicator lamp is neon lamp, and described normally closed switch is microswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283864.4U CN203953299U (en) | 2014-05-29 | 2014-05-29 | Pressure cooking appliance and folding lid indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420283864.4U CN203953299U (en) | 2014-05-29 | 2014-05-29 | Pressure cooking appliance and folding lid indicating device |
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| Publication Number | Publication Date |
|---|---|
| CN203953299U true CN203953299U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420283864.4U Expired - Lifetime CN203953299U (en) | 2014-05-29 | 2014-05-29 | Pressure cooking appliance and folding lid indicating device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105768841A (en) * | 2014-12-25 | 2016-07-20 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil and control method and system thereof |
| CN105795926A (en) * | 2014-12-31 | 2016-07-27 | 佛山市顺德区美的电热电器制造有限公司 | Control method of electric rice cooker |
| CN113116166A (en) * | 2020-01-13 | 2021-07-16 | 九阳股份有限公司 | Heat preservation control method of cooking appliance |
-
2014
- 2014-05-29 CN CN201420283864.4U patent/CN203953299U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105768841A (en) * | 2014-12-25 | 2016-07-20 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil and control method and system thereof |
| CN105795926A (en) * | 2014-12-31 | 2016-07-27 | 佛山市顺德区美的电热电器制造有限公司 | Control method of electric rice cooker |
| CN105795926B (en) * | 2014-12-31 | 2018-06-05 | 佛山市顺德区美的电热电器制造有限公司 | The control method of electric cooker |
| CN113116166A (en) * | 2020-01-13 | 2021-07-16 | 九阳股份有限公司 | Heat preservation control method of cooking appliance |
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