CN104887104A - Oven and heating circuit for same - Google Patents

Oven and heating circuit for same Download PDF

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Publication number
CN104887104A
CN104887104A CN201510308874.8A CN201510308874A CN104887104A CN 104887104 A CN104887104 A CN 104887104A CN 201510308874 A CN201510308874 A CN 201510308874A CN 104887104 A CN104887104 A CN 104887104A
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CN
China
Prior art keywords
heater
preheating
heating element
heater circuit
baking box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510308874.8A
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Chinese (zh)
Inventor
赵东俊
崔武然
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Guangdong Midea Kitchen Appliances Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd, Guangdong Midea Kitchen Appliances Manufacturing Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201510308874.8A priority Critical patent/CN104887104A/en
Publication of CN104887104A publication Critical patent/CN104887104A/en
Pending legal-status Critical Current

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  • Electric Stoves And Ranges (AREA)

Abstract

The invention relates to the field of temperature control of ovens, and discloses an oven and a heating circuit for the same. The heating circuit comprises a heating element for cooking, a heating element for preheating and a preheating control element. The heating element for preheating is used for preheating the oven. The preheating control element is connected with the heating element for preheating and is used for controlling connection or disconnection between the heating element for preheating and a power source to correspondingly preheat the oven or stop preheating the oven. The heating circuit and the oven have the advantages that the oven is preheated through the heating element for preheating and the preheating control element which are provided specially, so that preheating time can be shortened greatly, user's waiting time is shortened and timeliness and user experience are improved; moreover, the preheating time is shortened, so that heat loss time is shortened correspondingly and energy consumption is reduced.

Description

For heater circuit and the baking box of baking box
Technical field
The present invention relates to baking box temperature control field, particularly, relate to a kind of heater circuit for baking box and baking box.
Background technology
Under normal circumstances, the routine work circulation of baking box is: beginning → preheating → cook → cooling → end.Baking box is when applying, and first want first preheating, the length of preheating time is the key factor affecting Consumer's Experience, and preheating time is longer, and user satisfaction is lower; Increase preheating time simultaneously, also correspondingly increase energy dissipation, do not meet energy-conserving and environment-protective trend.Therefore, for user, actual functional capability demand is only in the stage of cooking, and preheating time is more short better, and for limit ideal situation, does not preferably have preheating time.But in the prior art, traditional baking box, when performing warm-up operation, directly adopts the heating tube of function of cooking to carry out oven heat usually.In this case, because the heating element heater of cooking is obtain good effect of cooking to have general lower heater element power and the rate of heat addition, although thus the good results preheating time of having occurred cooking the long and problem that causes user satisfaction low.Namely, the preheating time of baking box of the prior art is general longer, and user could use need to wait as long for baking box preheating before cooking after, causes Consumer's Experience poor thus and energy-conserving and environment-protective demand deficiency.
Summary of the invention
The object of this invention is to provide a kind of heater circuit for baking box and baking box, to solve the long and problem that energy consumption is high preheating time in prior art.
To achieve these goals, the invention provides a kind of heater circuit for baking box, this heater circuit comprises the culinary art heating element heater carrying out heating for treating cooking food, wherein, this heater circuit also comprises: preheating heating element heater, for carrying out preheating heating to described baking box; And warm-up control element, be connected with described preheating heating element heater, be connected with power supply for controlling described preheating heating element heater or disconnect, correspondingly to perform the preheating heating operation of described baking box or to stop performing the preheating heating operation to described baking box.
Preferably, the heating power of described preheating heating element heater and the rate of heat addition are respectively higher than heating power and the rate of heat addition of described culinary art heating element heater.
Preferably, this heater circuit also comprises detector unit, be connected with described warm-up control element, for detecting the temperature in described baking box, wherein said warm-up control element is also for controlling described preheating heating element heater and described power supply disconnects when detected temperature exceeds preset temperature.
Preferably, described warm-up control element is preheat temperature gauge tap.
Preferably, described detector unit is temperature-sensing probe.
Preferably, described preheating heating element heater is quartzy far infrared electro-thermal tube.
Preferably, described heater circuit also comprises the warm element of limit, disconnects the connection of described culinary art heating element heater and described power supply when exceeding preset security temperature for the temperature in described baking box.
Preferably, described limit temperature element is Kick type temperature limit switch.
Preferably, described heater circuit also comprises indicator lamp, and described indicator lamp is used to indicate described culinary art heating element heater and whether is in heated condition.
Preferably, described heater circuit also comprises timing element, for setting the heat time of described culinary art heating element heater.
Present invention also offers a kind of baking box, comprise above-mentioned heater circuit.
Pass through technique scheme, baking box preheating heating operation is performed by the preheating heating element heater that arranges specially and warm-up control element, no longer be limited to the low-power of the culinary art heating element heater of baking box and the low rate of heat addition, greatly can shorten warm-up heating period, and then minimizing period of reservation of number, improve ageing and Consumer's Experience.Further, because warm-up heating period shortens, so correspondingly reduce the heat loss time, thus achieve the effect reducing energy consumption, reach the object of energy-conserving and environment-protective.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, is used from explanation the present invention, but is not construed as limiting the invention with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of the heater circuit for baking box according to one embodiment of the present invention;
Fig. 2 is the temperature and time graph of a relation using the heater circuit for baking box of one embodiment of the present invention to perform baking box preheating heating process;
Fig. 3 is the complete machine front schematic view of the baking box according to one embodiment of the present invention;
Fig. 4 is the complete machine schematic internal view of the baking box according to one embodiment of the present invention;
Fig. 5 is face, the complete machine rear flank schematic diagram of the baking box according to one embodiment of the present invention; And
Fig. 6 is the complete machine sectional view of the baking box according to one embodiment of the present invention.
Description of reference numerals
1 culinary art heating element heater 2 preheating heating element heater
3 warm-up control element 4 detector units
Warm element 6 indicator lamp of 5 limit
7 timing element 8 cooling fans
9 often open temperature detect switch (TDS) 10 illuminating lamp
11 temp. controllable temperature detect switch (TDS) 12 functional select switches
105 control element rest area 200 oven doors
Outer cover bottom on cover upper 402 on 401
Outer cover after 403 side outer covers 404
600 power supply connecting devices
700 cavitys (cooking area) 701 heating element heater
900 cooling system 901 convection flow fan
902 heat dissipation wind channel 903 radiating control elements
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
Fig. 1 is the schematic diagram of the heater circuit for baking box according to one embodiment of the present invention.
As shown in Figure 1, the heater circuit for baking box that one embodiment of the present invention provides comprises the culinary art heating element heater 1 carrying out heating for treating cooking food, wherein, this heater circuit also comprises: preheating heating element heater 2, for carrying out preheating heating to described baking box; And warm-up control element 3, be connected with described preheating heating element heater 2, to be connected with power supply for controlling described preheating heating element heater 2 or to disconnect, correspondingly to perform the preheating heating operation of described baking box or to stop performing the preheating heating operation to described baking box.
In FIG, L represents live wire, and E represents earth terminal, and N represents zero line.
Baking box preheating heating operation is performed by the preheating heating element heater 2 that arranges specially and warm-up control element 3, no longer be limited to the low-power of the culinary art heating element heater 1 of baking box and the low rate of heat addition, greatly can shorten warm-up heating period, and then minimizing period of reservation of number, improve ageing and Consumer's Experience.Further, because warm-up heating period shortens, so correspondingly reduce the heat loss time, thus achieve the effect reducing energy consumption, reach the object of energy-conserving and environment-protective.
According to one embodiment of the present invention, the heating power of described preheating heating element heater 2 and the rate of heat addition are respectively higher than heating power and the rate of heat addition of described culinary art heating element heater 1.Thus, the time of being carried out baking box preheating heating by special preheating heating element heater 2, to carry out time of baking box preheating heating by means of only culinary art heating element heater 1 short than of the prior art.
According to one embodiment of the present invention, this heater circuit also comprises detector unit 4, be connected with described warm-up control element 3, for detecting the temperature in described baking box, wherein said warm-up control element 3 also disconnects with described power supply for controlling described preheating heating element heater 2 when detected temperature exceeds preset temperature.
Wherein, preheating heating element heater 2, warm-up control element 3 and detector unit 4 form preheat circuit.As shown in dotted line frame in Fig. 1.
According to one embodiment of the present invention, described warm-up control element 3 can be preheat temperature gauge tap.
According to one embodiment of the present invention, described detector unit 4 can be temperature-sensing probe.
According to one embodiment of the present invention, described preheating heating element heater 2 can be quartzy far infrared electro-thermal tube.
According to one embodiment of the present invention, described heater circuit also comprises the warm element 5 of limit, disconnects the connection of described culinary art heating element heater 1 and described power supply when exceeding preset security temperature for the temperature in described baking box.
According to one embodiment of the present invention, described limit temperature element 5 can be Kick type temperature limit switch.
By limitting the setting of warm element 5, the too high potential safety hazard caused of oven temperature can be avoided.
In the present invention, those skilled in the art can set above-mentioned preset temperature and preset security temperature according to actual conditions, and the present invention does not limit this.
According to one embodiment of the present invention, described heater circuit also comprises indicator lamp 6, and described indicator lamp 6 is used to indicate described culinary art heating element heater 1 and whether is in heated condition.If indicator lamp 6 is lighted, then indicate described culinary art heating element heater 1 to be in heated condition (i.e. duty), otherwise instruction culinary art heating element heater 1 is not in heated condition (i.e. off working state).By the setting of indicator lamp 6, be convenient to the duty of user monitoring and observation baking box.
According to one embodiment of the present invention, described heater circuit also comprises timing element 7, for setting the heat time of described culinary art heating element heater 1.By using timing element 7, can set the heat time of culinary art heating element heater 1, at the end of the heat time of setting, culinary art heating element heater 1 stops heating automatically.
According to one embodiment of the present invention, described heater circuit also comprises cooling fan 8, often opens temperature detect switch (TDS) 9, illuminating lamp 10, temp. controllable temperature detect switch (TDS) 11 and functional select switch 12.Wherein, warm-up control element 3, timing element 7, temp. controllable temperature detect switch (TDS) 11 and functional select switch 12 form the control panel of baking box, perform corresponding controlling functions respectively.
Wherein, cooling fan 8 for reducing the temperature of the door body handle of the temperature around the control panel of such as baking box or baking box, the inefficacy caused to avoid the controlling functions Yin Wendu of control panel too high or prevent user from scalding.Often drive temperature detect switch (TDS) 9 and be in and often open (namely disconnecting) state under normal circumstances, closed when cooling fan 8 needs work, to switch on power execution heat sinking function to make cooling fan 8.Temp. controllable temperature detect switch (TDS) 11 can carry out the adjustment of different temperatures, to realize the food cooking process of preferred temperature.Illuminating lamp 10 can provide light source for baking box inside, so that observe baking box inner case.The work of culinary art heating element heater 2, indicator lamp 6 and illuminating lamp 10 all can be selected by the operation of functional select switch 12.
In addition, control described preheating heating element heater 2 at warm-up control element 3 to be connected with power supply, to perform in the process of preheating heating operation of described baking box, also can control heating element heater 2 by functional select switch 12 performs heating operation simultaneously, can shorten the warm-up heating period of baking box thus further.
Fig. 2 is the temperature and time graph of a relation using the heater circuit for baking box of one embodiment of the present invention to perform baking box preheating heating process.
As shown in Figure 2, S1 is the temperature and time graph of a relation of preheating heating process of the prior art, and S2 is the temperature and time graph of a relation of preheating heating process of the present invention.As can be seen from the figure, the preheating time of the preheating heating process of prior art is 0-t0 '=15min (minute), and the preheating time of preheating heating process of the present invention is 0-t0=7min (minute).Preheating+culinary art the deadline of prior art is 0-t1 '=45min (minute), and preheating of the present invention+culinary art deadline is 0-t1 '=37min (minute).
As can be seen from above-mentioned embodiment, use the heater circuit for baking box provided by the invention and baking box greatly can shorten warm-up heating period, and then reduce period of reservation of number, improve ageing and Consumer's Experience.
Present invention also offers a kind of baking box, comprise the heater circuit in above-mentioned embodiment.
Described baking box can be connected with the AC power of 220v to 240v.
The complete machine front schematic view of baking box provided by the invention, complete machine schematic internal view, complete machine rear flank face schematic diagram and complete machine sectional view are respectively as shown in Figures 3 to 6.
Although each control element is knob on the control panel in Fig. 3 to Fig. 6, the present invention is not limited thereto.Such as, described control panel also can be touch-screen.
Wherein, control element rest area 105 such as may be used for placing the control elements such as warm-up control element 3, timing element 7, temp. controllable temperature detect switch (TDS) 11 and the functional select switch 12 in above-mentioned embodiment.Power supply connecting device 600 is for connecting external power source.
In figure 6, Reference numeral 701 refers to heating element heater, and it comprises above-mentioned preheating heating element heater and culinary art heating element heater.Cooling fan 8, radiating control element 903 are parts of cooling system 900, and those skilled in the art can adopt in prior art that existing cooling system is to realize the heat sinking function of the baking box in the present invention, and the present invention is not described in detail this.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (11)

1., for a heater circuit for baking box, this heater circuit comprises the culinary art heating element heater carrying out heating for treating cooking food, and wherein, this heater circuit also comprises:
Preheating heating element heater, for carrying out preheating heating to described baking box; And
Warm-up control element, is connected with described preheating heating element heater, to be connected for controlling described preheating heating element heater or to disconnect with power supply, correspondingly to perform the preheating heating operation of described baking box or to stop performing the preheating heating operation to described baking box.
2. heater circuit according to claim 1, wherein, the heating power of described preheating heating element heater and the rate of heat addition are respectively higher than heating power and the rate of heat addition of described culinary art heating element heater.
3. heater circuit according to claim 2, wherein, this heater circuit also comprises detector unit, be connected with described warm-up control element, for detecting the temperature in described baking box, wherein said warm-up control element is also for controlling described preheating heating element heater and described power supply disconnects when detected temperature exceeds preset temperature.
4. heater circuit according to claim 3, wherein, described warm-up control element is preheat temperature gauge tap.
5. heater circuit according to claim 3, wherein, described detector unit is temperature-sensing probe.
6. heater circuit according to claim 1, wherein, described preheating heating element heater is quartzy far infrared electro-thermal tube.
7. the heater circuit according to any one of claim 1-6, wherein, described heater circuit also comprises the warm element of limit, disconnects the connection of described culinary art heating element heater and described power supply when exceeding preset security temperature for the temperature in described baking box.
8. heater circuit according to claim 7, wherein, described limit temperature element is Kick type temperature limit switch.
9. the heater circuit according to any one of claim 1-6, wherein, described heater circuit also comprises indicator lamp, and described indicator lamp is used to indicate described culinary art heating element heater and whether is in heated condition.
10. the heater circuit according to any one of claim 1-6, wherein, described heater circuit also comprises timing element, for setting the heat time of described culinary art heating element heater.
11. 1 kinds of baking boxs, comprise the heater circuit according to any one of claim 1-10.
CN201510308874.8A 2015-06-08 2015-06-08 Oven and heating circuit for same Pending CN104887104A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108594894A (en) * 2018-05-14 2018-09-28 广东美的厨房电器制造有限公司 control method and cooking appliance
CN110859503A (en) * 2019-10-30 2020-03-06 宁波方太厨具有限公司 Inner container structure and cooking device thereof
CN110895394A (en) * 2018-09-12 2020-03-20 广东美的厨房电器制造有限公司 Control method of cooking appliance and cooking appliance
CN112904917A (en) * 2021-01-05 2021-06-04 宁波方太厨具有限公司 Heating control method, heating device, electronic device, and readable storage medium
CN114271707A (en) * 2021-12-30 2022-04-05 广东美的厨房电器制造有限公司 Baking oven
CN114732297A (en) * 2022-04-09 2022-07-12 广东海新智能厨房股份有限公司 Energy-saving heating structure of oven and heating method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108594894A (en) * 2018-05-14 2018-09-28 广东美的厨房电器制造有限公司 control method and cooking appliance
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CN112904917A (en) * 2021-01-05 2021-06-04 宁波方太厨具有限公司 Heating control method, heating device, electronic device, and readable storage medium
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CN114732297A (en) * 2022-04-09 2022-07-12 广东海新智能厨房股份有限公司 Energy-saving heating structure of oven and heating method thereof

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Application publication date: 20150909