CN202919896U - Temperature regulator for electric cookers - Google Patents
Temperature regulator for electric cookers Download PDFInfo
- Publication number
- CN202919896U CN202919896U CN 201220587091 CN201220587091U CN202919896U CN 202919896 U CN202919896 U CN 202919896U CN 201220587091 CN201220587091 CN 201220587091 CN 201220587091 U CN201220587091 U CN 201220587091U CN 202919896 U CN202919896 U CN 202919896U
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- microswitch
- firepower
- toggle
- electric heating
- heating element
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Abstract
The utility model relates to a temperature regulator for electric cookers. The temperature regulator comprises a firepower pull-button, micro-switches and at least two groups of electric heating elements with different powers, wherein the electric heating elements are connected in parallel. The temperature regulator (temperature controller) is characterized in that each micro-switch corresponds to one electric heating element, the micro-switches are connected with the electric heating elements, and the state of connection or disconnection between the micro-switches and the electric heating elements is controlled through the position of the firepower pull-button. The temperature regulator is advantageous in providing different firepower level options by means of simple part assembly.
Description
Technical field
The utility model relates to small household appliances field, kitchen, particularly a kind of thermoregulator for electric cooking appliance.
Background technology
Existing electric cooking appliance, temperature control mode as electric steamer, electric cooking pot, electric cooker, electric chafing dish is as follows: utilize thermoregulator to be connected with electric heating element, the power of electric heating element is fixed, and the actual temperature that thermoregulator detects electric cooking appliance makes the electric heating element stopped heating when reaching preset temperature; Restart the electric heating element heating during lower than preset temperature when the actual temperature of electric cooking appliance.The shortcoming of this temperature control mode is: seldom the time, add heat request although the power of electric heating element can satisfy when quantity of food, take the boiling of electricity and food severe, soup easily scatters and disappears; When quantity of food was many, the power heating of electric heating element was slow, can not meet to add heat request, needed very long heat time heating time.
In order to overcome the above-mentioned shortcoming of constant power electric heating element, Chinese patent ZL02272361.7 discloses easily the adjustable electric chafing dish of a kind of power, comprise base, base-mounted shell, in the enclosure the first pyrotoxin and the second pyrotoxin are set, the first pyrotoxin is controlled its start and stop by the temperature adjustment toggle that is located on shell, the second pyrotoxin is connected with the acceleration switch on being arranged on shell, is connected across on the first pyrotoxin, makes the start and stop of the second pyrotoxin controlled by temperature adjustment toggle and acceleration switch.This electric chafing dish is controlled the first heat-generating pipe by the temperature adjustment toggle when power adjusting, temperature adjustment toggle and acceleration switch co-controlling the second heat-generating pipe, and the second heat-generating pipe can only use simultaneously with the first heat-generating pipe, and circuit is complicated, complex operation; In addition, only have two kinds of firepower available.
Chinese patent ZL200720312033.5 has disclosed a kind of electric steamer with firepower regulatory function, comprise bottom, steamer and guidance panel, time switch is installed in guidance panel, timer switch comprises timer knob, axle sleeve and be used for to control the mechanical timer of the power-on time of steamer heater, timer knob is sleeved on axle sleeve, axle sleeve is arranged in the axis hole of described guidance panel, axle sleeve is enclosed within on the axle of mechanical timer, electric steamer also comprises the firepower by-pass cock, the firepower by-pass cock comprises fire adjustment knob, pedestal, driving lever, touch-switch and be used for controller according to the size of the Signal Regulation output power of touch-switch, pedestal is installed in rotation in described axis hole, pedestal and the coaxial installation of axle sleeve, fire adjustment knob is fixedly connected with pedestal, driving lever is installed in guidance panel, driving lever is fixedly connected with pedestal, the motion end of driving lever coordinates with touch-switch, touch-switch is electrically connected to controller.The shortcoming of this electric steamer is: 1, number of spare parts is many, and assembling is complicated; 2, controller only carries out high-power and two kinds of power transfer of small-power.
The utility model content
For can only carrying out two kinds of firepower, regulates by the thermoregulator that overcomes existing electric cooking appliance, and realize that the adjustable required number of spare parts of firepower is many, the shortcoming that assembling is complicated, the utility model provide a kind of and have used simple Assembly of the parts relation can realize the thermoregulator that is used for electric cooking appliance that multiple firepower gear is selected.
The thermoregulator that is used for electric cooking appliance, comprise the firepower toggle, microswitch and at least two different electric heating elements of group power, electric heating element is connected in parallel, the corresponding electric heating element of each microswitch, microswitch is connected with electric heating element, and the on off operating mode of microswitch and electric heating element is touched in the position of firepower toggle.
Those skilled in the art will find apparent that, electric heating element can be a heater element, also can be comprised of a plurality of heater elements that are connected in series.The power of a plurality of heater elements that are connected in series can be identical, also can be different.
Those skilled in the art will find apparent that, the firepower toggle is the slide switch of commonly using, and the firepower toggle comprises toggle section, sliding part and plectrum section, and toggle section exposes to guidance panel, is convenient to user's operation; In the chute of sliding part update panel, plectrum section is for extending thin slice, and plectrum section contacts with microswitch.
In order to ensure being slidably matched of firepower toggle and electric cooking appliance pot body, preferably: plectrum section has outward extending guide fin, and chute is provided with the guiding ditch, and guide fin coordinates with the guiding ditch, and guide fin is along the slip of guiding ditch.
Touch the function of the on off operating mode of microswitch and electric heating element for the position of realizing the firepower toggle, we further limit described microswitch and are in normally closed, microswitch is provided with button, and when the firepower toggle was pressed the button of microswitch, this microswitch and electric heating element disconnected; When the firepower toggle broke away from the button of microswitch, this microswitch and electric heating element were connected.
Firepower adjustment process when the explanation microswitch is as normally closed switch as an example of two groups of electric heating elements example.In two groups of electric heating elements, one group is powerful the first electric heating element, and another group is low power the second electric heating element; The first electric heating element is connected with the first microswitch, and the second electric heating element is connected with the second microswitch.When the firepower toggle was pressed the button of the first microswitch, the first microswitch and the first electric heating element disconnected, and only the second electric heating element is with small-power work, and electric cooking appliance is in little fiery state.When the firepower toggle was pressed the button of the second microswitch, the second microswitch and the second electric heating element disconnected, and only the first electric heating element is with high power work, and electric cooking appliance is in the moderate heat state.When the firepower toggle neither press the button of the first microswitch, when not pressing again the button of the second microswitch, the first electric heating element and the second electric heating element are worked simultaneously, electric cooking appliance is in the big fire state.Use two groups of normally closed microswitches can realize three kinds of firepower selections, use a small amount of part to realize multiple firepower gear selection.Certainly, electric heating element can be also three groups or many groups, has simultaneously three groups or organize microswitch settings corresponding to electric heating element more, needs only microswitch of every group of electric heating element correspondence of assurance.
In order to strengthen the contact area between firepower toggle and microswitch, improve the trigger sensitivity of firepower toggle, be provided with elastic component between firepower toggle and microswitch, the corresponding elastic component of each microswitch, separate between elastic component.Separately between elastic component refer between elastic component and elastic component directly contact or be connected.
Elastic component is that plastics are rectangular, and the rectangular end of these plastics is provided with undulatory projection, and this projection is aimed at the button of microswitch, and protruding both sides all are the slope; When the firepower toggle is positioned at the peak of projection, projection presses the button of microswitch, firepower toggle during away from projection, projection are replied deformation, gapped between the button of elastic component and microswitch, button resets.The both sides of projection are set to the slope, are convenient to that the firepower toggle slides into protruding peak and from protruding peak this elastic component that slips away.
For the position of clear and definite elastic component, all microswitches all are installed on switch bracket, switch bracket is fixed in the pot body of electric cooking appliance; Elastic component stretches out along switch bracket.Elastic component can be one-body molded with switch bracket, can be also to be fixed on switch bracket.
When selecting, firepower stirs feel in order to strengthen the firepower toggle, static stall piece in the pot body of electric cooking appliance, and the gear piece is provided with a plurality of concave points, the corresponding firepower gear of each concave point; Sliding part is provided with spring and pellet, when microswitch is pressed by plectrum section, in pellet the enters concave point corresponding with this microswitch; The guidance panel of electric cooking appliance is provided with the gear mark of a plurality of sign firepower gears.
Slip into concave point or be convenient to pellet for the ease of pellet and break away from from concave point, the end face that pellet contacts with concave point is set to hemisphere face or arc surface, and the inner surface of concave point is the arc surface adaptive with this pellet end face.
The course of work of pellet and gear piece is: the firepower toggle is not chosen firepower gear mark constantly, and the spring in sliding part is withstood, is in compressive state by the gear piece.When the firepower toggle was chosen certain firepower gear mark, spring reset, pellet in sliding part entered in concave point.The contact-making surface of pellet and concave point is cambered surface, so pellet can enter or break away from concave point, has both increased the feel when sliding into gear, can not hinder again the slip of firepower toggle.
The utlity model has and use simple Assembly of the parts relation can realize the advantage that multiple firepower gear is selected.
Description of drawings
Fig. 1 is schematic diagram of the present utility model.Only skid off the outward appearance of electric cooking appliance pot body in Fig. 1, omitted pot cover and miscellaneous part.
Fig. 2 is the schematic diagram of firepower toggle.
Fig. 3 is the schematic diagram that the firepower toggle coordinates with the pot body of electric cooking appliance.
Fig. 4 is the schematic diagram of microswitch.
Fig. 5 is that microswitch is arranged at the schematic diagram in pot body.
Fig. 6 is the schematic diagram that the firepower toggle coordinates with switch bracket.
Fig. 7 is the schematic diagram that the firepower toggle is selected little fiery state.
Fig. 8 is the schematic diagram that the firepower toggle is selected the moderate heat state.
Fig. 9 is the schematic diagram that the firepower toggle is selected the big fire state.
Figure 10 is the schematic diagram of elastic component.
Pot body 1, guidance panel 11, switch bracket 2, microswitch 3, the first microswitch 31, the second microswitches 32, button 3A, contact 3B, timer switch 4, firepower toggle 5, toggle section 51, sliding part 52, plectrum section 53, guide fin 54, pellet 5A, spring 5B, sleeve 5C, elastic component 6, projection 61, gear piece 7, concave point 71.
The specific embodiment
Embodiment 1
The thermoregulator that is used for electric cooking appliance, comprise firepower toggle 5, microswitch 3 and at least two different electric heating elements of group power, electric heating element is connected in parallel, the corresponding electric heating element of each microswitch 3, microswitch 3 is connected with electric heating element, and the on off operating mode of microswitch 3 and electric heating element is touched in the position of firepower toggle 5.
Those skilled in the art will find apparent that, electric heating element can be a heater element, also can be comprised of a plurality of heater elements that are connected in series.The power of a plurality of heater elements that are connected in series can be identical, also can be different.
Those skilled in the art will find apparent that, firepower toggle 5 is slide switches of commonly using, firepower toggle 5 is arranged on the pot body of electric cooking appliance, and normally firepower toggle 5 is arranged on the guidance panel 11 of pot body slidably, and guidance panel 11 is provided with the chute adaptive with firepower toggle 5.Firepower toggle 5 comprises toggle section 51, sliding part 52 and plectrum section 53, and toggle section 51 exposes to guidance panel 11, is convenient to user's operation; Sliding part 52 inserts in the chute of guidance panel 11 of pot bodies, and plectrum section 53 is for extending thin slice, and plectrum section 53 contacts with microswitch 3, as shown in Figures 2 and 3.
Slide in the chute of electric cooking appliance guidance panel 11 in order to ensure firepower toggle 5, plectrum section 53 is provided with outward extending guide fin 54, and chute is provided with the guiding ditch, and guide fin 54 coordinates with the guiding ditch, and guide fin 54 is along the slip of guiding ditch.Usually guidance panel 11 is positioned at the side of electric cooking appliance pot body.
Touch the function of the on off operating mode of microswitch 3 and electric heating element for the position of realizing firepower toggle 5, described microswitch 3 is made as normally closed switch, on microswitch 3, button is arranged, when firepower toggle 5 is pressed the button of microswitch 3, this microswitch 3 disconnects with electric heating element; When firepower toggle 5 breaks away from the button of microswitches 3, this microswitch 3 is connected with electric heating element.The principle of microswitch 3 and be configured to known technology, its structure as shown in Figure 4.
Microswitch 3 is fixed in the medial surface of pot body 1, Figure 6 shows that the button 3A of microswitch 3 stretches out from the lower surface of microswitch, and plectrum section 53 is positioned at the below of button 3A, and plectrum section 53 is the situation during pressing keys 3A from bottom to top.Those skilled in the art will find apparent that, the button of microswitch can be also to stretch out from the upper surface of microswitch, and plectrum section is positioned at the top of button, and plectrum section is pressing keys from the top down.When plectrum section 53 slides, pressing keys 3A is switched on or switched off and being connected of electric heating element to trigger microswitch 3, and microswitch 3 is connected with electric heating element by contact 3B, as shown in Figure 5 and Figure 6.
Firepower adjustment process when we illustrate microswitch 3 as normally closed switch as an example of two groups of electric heating elements example is as Fig. 7, Fig. 8 and shown in Figure 9.In two groups of electric heating elements, one group is powerful the first electric heating element, and another group is low power the second electric heating element; The first electric heating element is connected with the first microswitch 31, and the second electric heating element is connected with the second microswitch 32.When firepower toggle 5 was pressed the button 3A of the first microswitch 31, the first microswitch 31 and the first electric heating element disconnected, and only the second electric heating element is with small-power work, and electric cooking appliance is in little fiery state.When firepower toggle 5 was pressed the button 3A of the second microswitch 32, the second microswitch 32 and the second electric heating element disconnected, and only the first electric heating element is with high power work, and electric cooking appliance is in the moderate heat state.When firepower toggle 5 neither press the button 3A of the first microswitch 31, when not pressing again the button 3A of the second microswitch 32, the first electric heating element and the second electric heating element are worked simultaneously, electric cooking appliance is in the big fire state.Use two groups of normally closed microswitches 3 can realize three kinds of firepower selections, use a small amount of part to realize multiple firepower gear selection.Certainly, electric heating element can be also more than three groups or three groups, and three groups or three groups of above microswitch 3 settings corresponding to electric heating element are arranged simultaneously, as long as guarantee the corresponding microswitch 3 of every group of electric heating element.Electric heating element is three groups or three groups when above, the corresponding increase of the selection of firepower gear.
In order to strengthen the contact area between firepower toggle 5 and microswitch 3, improve the trigger sensitivity of firepower toggle 5, between firepower toggle 5 and microswitch 3, elastic component 6 is set, the corresponding elastic component 6 of each microswitch 3, separate between elastic component 6.Separately between elastic component 6 refer between elastic component 6 and elastic component 6 directly contact or be connected.
As shown in figure 10, elastic component 6 is that plastics are rectangular, and the rectangular end of these plastics is provided with undulatory protruding 61, and this projection 61 is aimed at the button 3A of microswitches 3, and protruding 61 both sides all are level and smooth slope; When firepower toggle 5 was positioned at the peak of projection 61, projection 61 was pressed the button 3A of microswitch 3, and firepower toggle 5 was away from protruding 61 o'clock, and projection 61 is replied deformation, and button 3A resets.It is gapped between the button 3A of the present embodiment Elastic spare 6 and microswitch 3.Projection 61 both sides are set to the slope, are convenient to firepower toggle 5 and slide into protruding 61 peaks and from protruding 61 peaks this elastic component 6 that slips away, avoid the operation that the corrugated projection is brought in sliding process of firepower toggle to have some setbacks.
Position for clear and definite elastic component 6, all microswitches 3 all are installed on switch bracket 2, switch bracket 2 is fixed on the medial surface of pot body 1, as shown in Figure 4, so can realize modular construction, be convenient to make, process and assembling, support also can make the installation location of microswitch and plectrum, and microswitch is located more convenient, accurate with the installation of pot body; Elastic component 6 stretches out along switch bracket 2.Elastic component 6 can be one-body molded with switch bracket 2, can be also removable being fixed on switch bracket 2, as long as guarantee that elastic component 6 can free deformation all can be used for being connected of elastic component 6 and switch bracket 2 with any connected mode of being connected deformation.
The beneficial effect of the present embodiment is: can realize that the firepower more than three kinds selects by using a small amount of part, simple assembly relation.
The difference part of the present embodiment and embodiment 1 has been to increase and can have strengthened the mechanism of stirring feel of firepower toggle 5 when firepower is selected.This mechanism is specific as follows, and as Fig. 6, Fig. 2 and shown in Figure 10: be fixed with gear piece 7 in pot body 1, gear piece 7 is provided with a plurality of concave points 71, the corresponding firepower gear of each concave point 71; Sliding part 52 is provided with spring 5B and pellet 5A, when microswitch 3 is pressed by plectrum section, pellet 5A enters in the concave point corresponding with this microswitch 3 71;
Slip into concave point 71 or be convenient to pellet 5A from concave point 71 disengagings for the ease of pellet 5A, preferred mode is: the end face that pellet 5A contacts with concave point 71 is hemisphere face or arc surface, and the inner surface of concave point 71 is the arc surface adaptive with this pellet 5A end face.Sliding part 52 is provided with the sleeve 5C that holds spring 5B and pellet 5A.
The course of work of pellet 5A and gear piece 7 is: firepower toggle 5 is not chosen firepower gear mark constantly, and the spring 5B in sliding part 52 is withstood, is in compressive state by gear piece 7.When firepower toggle 5 was chosen certain firepower gear mark, the spring 5B in sliding part 52 resetted, pellet 5A enters in concave point 71.The contact-making surface of pellet 5A and concave point 71 is cambered surface, so pellet 5A can enter or break away from concave point 71, has both increased the feel when sliding into gear, can not hinder again the slip of firepower toggle 5.
The present embodiment can strengthen the mechanism of stirring feel of firepower toggle 5 when firepower is selected except increasing, and all the other structures are all identical with embodiment 1.
The beneficial effect of the present embodiment is the slip feel that has strengthened when the user selects gear, and is easy to use.
The difference part of the present embodiment and embodiment 1 is: microswitch 3 adopts normal open switch, and all the other structures are all identical with embodiment 1.
Described microswitch 3 is made as normal open switch, when button 3A on microswitch 3, firepower toggle 5 press the button 3A of microswitch 3, this microswitch 3 is connected with electric heating element; When firepower toggle 5 breaks away from the button 3A of microswitches 3, this microswitch 3 disconnects with electric heating element, as shown in Figure 4.Microswitch is the part that those skilled in the art commonly uses, the appearance similar of normally closed switch and normal open switch.
With two microswitches, for example describes in detail: the first microswitch connects high-power heat-generating pipe, and the second microswitch connects the small-power heat-generating pipe; Outer big fire, the little fiery two kinds of gear marks of being provided with of pot body 1.When firepower toggle 5 was aimed at big fire, plectrum was pressed the button 3A of the first microswitch 31, high-power heat-generating pipe work, and electric heating element is in the high power work state.When firepower toggle 5 was aimed at little fire, plectrum was pressed the button 3A of the second microswitch 32, the work of small-power heat-generating pipe, and electric heating element is in low-duty.
Although when microswitch 3 was normal open switch, selectable power rating was less than microswitch 3 and is the situation of normally closed switch, also can realize the purpose that multiple power is regulated.The present embodiment only illustrates with 2 microswitches 3, and the quantity of microswitch 3 is not limited to 2.
The described content of this specification embodiment is only enumerating the way of realization of utility model design; protection domain of the present utility model should not be regarded as only limiting to the concrete form that embodiment states, protection domain of the present utility model also reaches the equivalent technologies means that design can be expected according to the utility model in those skilled in the art.
Claims (8)
1. be used for the thermoregulator of electric cooking appliance, it is characterized in that: thermoregulator comprises the firepower toggle, microswitch and at least two different electric heating elements of group power, and electric heating element is connected in parallel; Temperature controller comprises the corresponding electric heating element of each microswitch, and microswitch is connected with electric heating element, and the on off operating mode of microswitch and electric heating element is touched in the position of firepower toggle.
2. the thermoregulator for electric cooking appliance as claimed in claim 1, it is characterized in that: described microswitch is in normally closed, and microswitch is provided with button, and when the firepower toggle was pressed the button of microswitch, this microswitch and electric heating element disconnected; When the firepower toggle broke away from the button of microswitch, this microswitch and electric heating element were connected.
3. the thermoregulator for electric cooking appliance as claimed in claim 2 is characterized in that: be provided with elastic component between firepower toggle and microswitch, and the corresponding elastic component of each microswitch, separate between elastic component.
4. the thermoregulator for electric cooking appliance as claimed in claim 3, it is characterized in that: elastic component is that plastics are rectangular, and the rectangular end of these plastics is provided with undulatory projection, and this projection is aimed at the button of microswitch, and protruding both sides all are the slope; When the firepower toggle is positioned at the peak of projection, projection presses the button of microswitch, firepower toggle during away from projection, elastic component separate with the button of microswitch.
5. the thermoregulator for electric cooking appliance as claimed in claim 4 is characterized in that: all microswitches all are installed on switch bracket, and switch bracket is fixed in the pot body of electric cooking appliance; Elastic component stretches out along switch bracket.
6. the thermoregulator for electric cooking appliance as described in one of claim 1-5 is characterized in that: be fixed with the gear piece in the pot body, the gear piece is provided with a plurality of concave points, the corresponding firepower gear of each concave point; The firepower toggle is provided with spring and pellet, when the firepower toggle is pressed microswitch, in pellet the enters concave point corresponding with this microswitch; The guidance panel of electric cooking appliance is provided with the gear mark of a plurality of sign firepower gears.
7. the thermoregulator for electric cooking appliance as claimed in claim 6, it is characterized in that: the end face that pellet contacts with concave point is set to hemisphere face or arc surface, and the inner surface of concave point is the arc surface adaptive with this pellet end face.
8. the thermoregulator for electric cooking appliance as claimed in claim 7 is characterized in that: the firepower toggle comprises toggle section, sliding part and plectrum section, and toggle section exposes to guidance panel; In the chute of sliding part update panel, plectrum section is for extending thin slice, plectrum section and microswitch press key contacts;
Plectrum section has outward extending guide fin, and chute is provided with the guiding ditch, and guide fin coordinates with the guiding ditch, and guide fin is slided along the guiding ditch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220587091 CN202919896U (en) | 2012-11-08 | 2012-11-08 | Temperature regulator for electric cookers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220587091 CN202919896U (en) | 2012-11-08 | 2012-11-08 | Temperature regulator for electric cookers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202919896U true CN202919896U (en) | 2013-05-08 |
Family
ID=48209893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220587091 Expired - Lifetime CN202919896U (en) | 2012-11-08 | 2012-11-08 | Temperature regulator for electric cookers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202919896U (en) |
-
2012
- 2012-11-08 CN CN 201220587091 patent/CN202919896U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130508 |