CN101776928B - Heating device for toaster and temperature control method thereof - Google Patents
Heating device for toaster and temperature control method thereof Download PDFInfo
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- CN101776928B CN101776928B CN2009102389757A CN200910238975A CN101776928B CN 101776928 B CN101776928 B CN 101776928B CN 2009102389757 A CN2009102389757 A CN 2009102389757A CN 200910238975 A CN200910238975 A CN 200910238975A CN 101776928 B CN101776928 B CN 101776928B
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- cement resistor
- toaster
- temperature
- heating
- heat
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Abstract
The invention provides a heating device for a toaster, which comprises a control circuit, a heating circuit and a temperature sensor, wherein the heating circuit is provided with a heating wire; the temperature sensor is connected with the control circuit; the heating circuit comprises a cement resister which is connected with the heating wire in parallel; and the temperature sensor is used for detecting the temperature signals of the cement resister. The invention has the beneficial effect that by using the characteristic that the cement resister heats after being switched on and slowly radiates after being switched off, the cold/hot machine state of the toaster can be accurately judged, i.e. after being switched off, the cement resister is still in a hot state, while the loss of heat is slow, thus in a period of time, after being repeatedly switched on or switched off, the control circuit still can detect the cold/hot machine state of the toaster.
Description
[technical field]
The present invention relates to toaster hot face packet technology field, particularly a kind of heating device for toaster and temperature control method thereof.
[background technology]
Toaster is the utensil that is used for the rusk heating.Existing toaster generally all adopts farad capacitor or battery to supply power to MCU, then through temperature in a plurality of sensor toasters; Judge that toaster is cold machine state or hot machine state; With the adjustment length of heat time heating time, the not only high but also not environmental protection of the method cost, and low precision.As shown in Figure 1ly be existing toaster temperature protection functional-block diagram, wherein PTC resistance 10 be used for current surge excessive, when temperature is too high circuit is shielded, heating wire 11 back that is used to switch on produces heat, with the heating rusk.
[summary of the invention]
In order to solve existing technical matters, the present invention provides a kind of heating device for toaster simply, reliably and cheaply and temperature control method thereof.
The present invention solves existing technical matters, and a kind of heating device for toaster is provided, and it comprises control circuit and the heater circuit with heater strip, and this heating arrangement also comprises the temperature sensor that links to each other with said control circuit; Said heater circuit comprises cement resistor, and said cement resistor is parallel to said heater strip, and said temperature sensor is used to detect the temperature signal of said cement resistor.
The present invention's improvement further is:
Said cement resistor is first cement resistor and second cement resistor, and said first cement resistor and said second cement resistor are parallel to said heater strip respectively.
Said first cement resistor and the said second cement resistor secured in parallel are in circuit board.
Said temperature sensor is arranged in the gap between said first cement resistor and said second cement resistor.
Said first cement resistor, said second cement resistor and said temperature propagated sensation sensor three coplane are provided with.
The floating height of said first cement resistor and said second cement resistor is welded on the circuit board.
The present invention solves existing technical matters, and a kind of temperature control method of using above-mentioned said heating device for toaster is provided, and said temperature control method may further comprise the steps:
A: the toaster energising of having used said heating device for toaster;
B: said control circuit detects the temperature signal of said cement resistor through said temperature sensor;
C: said control circuit is controlled the heat time heating time of said heater strip according to said temperature signal.
In step B, said temperature signal is corresponding to cold machine signal and hot machine signal.
In step C, said heat time heating time is corresponding to cold machine heat time heating time and hot machine heat time heating time.Said cold machine heat time heating time is greater than said hot machine heat time heating time.
Compared to prior art, the invention has the beneficial effects as follows: adopt the slowly characteristic of heat radiation of cement resistor energising back heating, outage back, realize accurately judging the cold/hot machine state of toaster; Promptly after the outage; It is hot that cement resistor remains, and this heat dissipation must be slower, therefore within a certain period of time; Outage or energising repeatedly, control circuit still can detect the cold/hot machine state of toaster.
[description of drawings]
Fig. 1 is existing toaster temperature protection functional-block diagram;
Fig. 2 is the temperature detection functional-block diagram of the hot and cold machine state of heating device for toaster of the present invention;
Fig. 3 is the scheme of installation of temperature sensor according to the invention and first, second cement resistor.
[embodiment]
Below in conjunction with description of drawings and embodiment the present invention is further specified.
As shown in Figures 2 and 3; A kind of heating device for toaster; It comprises control circuit 20 and the heater circuit 25 with heater strip 26; Control circuit 20 is used for confirming the heat time heating time of heater circuit 25, provides enough heats to make rusk roasting to suitable degree in the time of setting, to make heater circuit 25; Heater circuit 25 mainly produces heat by heater strip 26 heatings.This heating arrangement also comprises the temperature sensor 21 that links to each other with said control circuit 20; Temperature sensor 21 transfers to control circuit 20 with the temperature signal that detects; Reasonably confirm the heat time heating time of toaster based on the state of toaster according to this temperature signal by control circuit 20; Reasonably added heat, thereby baked delicious bread; Said in the present invention heater circuit 25 comprises cement resistor (this cement resistor comprises first cement resistor 27 and second cement resistor 28), and this cement resistor is used to embody the state of toaster.This cement resistor is parallel to said heater strip 26, and said temperature sensor 21 is used to detect the temperature signal of said cement resistor, the state of temperature of cement resistor and embodied the state of temperature of toaster.
Said cement resistor of the present invention preferably is set to two, and promptly first cement resistor 27 and second cement resistor, 28, the first cement resistors 27 and second cement resistor 28 are parallel to said heater strip 26 respectively.Said first cement resistor 27 and said second cement resistor, 28 secured in parallel are on circuit board, and temperature sensor 21 is arranged in the gap between first cement resistor 27 and second cement resistor 28.Preferably first cement resistor 27, second cement resistor 28 and temperature propagated sensation sensor 21 three's coplanes are provided with, the signal that this moment, temperature sensor 21 detected is more accurate.
Said first cement resistor 27 is welded on the circuit board with said second cement resistor, 28 floating height.
Because two cement resistors are that parallel connection concerns with heater strip, so during heating wire works, cement resistor is also worked; And cement resistor can generate heat under the situation of energising, can heat energy be accumulated on the body of cement resistor, after sudden power; Heat on the cement resistor body also can continue a period of time; And what of the heat energy on the resistance body just can reflect the state of the hot and cold machine of toaster, and controlling on heat time heating time for control circuit provides information.
The present invention adopts the slowly characteristic of heat radiation of cement resistor energising back heating, outage back; Realize accurately judging the cold/hot machine state of toaster, promptly after the outage, it is hot that cement resistor remains; And this heat dissipation must be slower; Therefore within a certain period of time, outage or energising repeatedly, control circuit still can detect the cold/hot machine state of toaster.
As shown in Figures 2 and 3; A kind of temperature control method of heating device for toaster; This temperature control method is applied on the following heating device for toaster, this heating device for toaster, and it comprises control circuit 20 and the heater circuit 25 with heater strip 26; Control circuit 20 is used for confirming the heat time heating time of heater circuit 25, provides enough heats to make rusk roasting to suitable degree in the time of setting, to make heater circuit 25; Heater circuit 25 mainly produces heat by heater strip 26 heatings.This heating arrangement also comprises the temperature sensor 21 that links to each other with said control circuit 20; Temperature sensor 21 transfers to control circuit 20 with the temperature signal that detects; Reasonably confirm the heat time heating time of toaster based on the state of toaster according to this temperature signal by control circuit 20; Reasonably added heat, thereby baked delicious bread; Said in the present invention heater circuit 25 comprises cement resistor (this cement resistor comprises first cement resistor 27 and second cement resistor 28), and this cement resistor is used to embody the state of toaster.This cement resistor is parallel to said heater strip 26, and said temperature sensor 21 is used to detect the temperature signal of said cement resistor, the state of temperature of cement resistor and embodied the state of temperature of toaster.
Said cement resistor of the present invention preferably is set to two, and promptly first cement resistor 27 and second cement resistor, 28, the first cement resistors 27 and second cement resistor 28 are parallel to said heater strip 26 respectively.Said first cement resistor 27 and said second cement resistor, 28 secured in parallel are on circuit board, and temperature sensor 21 is arranged in the gap between first cement resistor 27 and second cement resistor 28.Preferably first cement resistor 27, second cement resistor 28 and temperature propagated sensation sensor 21 three's coplanes are provided with, the signal that this moment, temperature sensor 21 detected is more accurate.
Said first cement resistor 27 is welded on the circuit board with said second cement resistor, 28 floating height.
The present invention adopts the slowly characteristic of heat radiation of cement resistor energising back heating, outage back; Realize accurately judging the cold/hot machine state of toaster, promptly after the outage, it is hot that cement resistor remains; And this heat dissipation must be slower; Therefore within a certain period of time, outage or energising repeatedly, control circuit still can detect the cold/hot machine state of toaster.
Temperature control method according to the invention may further comprise the steps:
A: used the toaster energising of said heating device for toaster, promptly started the switch of rusk heating;
B: said control circuit detects the temperature signal of said cement resistor through said temperature sensor, promptly detects the state of heating device for toaster, with accuracy controlling heat time heating time;
C: said control circuit is controlled the heat time heating time of said heater strip according to said temperature signal.
In step B, said temperature signal is corresponding to cold machine signal and hot machine signal.
In step C, said heat time heating time is corresponding to cold machine heat time heating time and hot machine heat time heating time.Said cold machine heat time heating time is greater than said hot machine heat time heating time.
Owing to combined the state of toaster, the promptly accurate suffered heat of rusk, thus bake high-quality rusk.Simultaneously, rationally utilize the time, reduced waste of electric energy.
The present invention adopts the slowly characteristic of heat radiation of cement resistor energising back heating, outage back; Realize accurately judging the cold/hot machine state of toaster, promptly after the outage, it is hot that cement resistor remains; And this heat dissipation must be slower; Therefore within a certain period of time, outage or energising repeatedly, control circuit still can detect the cold/hot machine state of toaster.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (1)
1. heating device for toaster, it comprises control circuit and the heater circuit with heater strip, it is characterized in that: this heating arrangement also comprises the temperature sensor that links to each other with said control circuit; Said heater circuit comprises cement resistor; Said cement resistor is first cement resistor and second cement resistor; Said first cement resistor and said second cement resistor are parallel to said heater strip respectively; Said first cement resistor and the said second cement resistor secured in parallel are in circuit board, and said temperature sensor is arranged in the gap between said first cement resistor and said second cement resistor; Said first cement resistor, said second cement resistor and said temperature propagated sensation sensor three coplane are provided with; The floating height of said first cement resistor and said second cement resistor is welded on the said circuit board; Said cement resistor is also worked when said heating wire works; Said cement resistor can generate heat under the situation of energising, can heat energy be accumulated on the body of cement resistor, after sudden power; Heat on the cement resistor body also can continue a period of time; And what of the heat energy on the cement resistor body just can reflect the state of the hot and cold machine of toaster, and controlling for control circuit provides information heat time heating time; Said temperature sensor is used to detect the temperature signal of said cement resistor, is reasonably confirmed heat time heating time of heating device for toaster reasonably to be added heat based on the state of heating device for toaster according to this temperature signal by control circuit; The state of temperature of said cement resistor has embodied the state of temperature of heating device for toaster; The temperature control method of this heating arrangement may further comprise the steps: A: the toaster energising of having used said heating device for toaster; B: said control circuit detects the temperature signal of said cement resistor through said temperature sensor; Said temperature signal is corresponding to cold machine signal and hot machine signal; C: said control circuit is controlled heat time heating time of said heater strip according to said temperature signal, and said heat time heating time is corresponding to cold machine heat time heating time and hot machine heat time heating time, and said cold machine heat time heating time is greater than said hot machine heat time heating time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102389757A CN101776928B (en) | 2009-12-31 | 2009-12-31 | Heating device for toaster and temperature control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102389757A CN101776928B (en) | 2009-12-31 | 2009-12-31 | Heating device for toaster and temperature control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101776928A CN101776928A (en) | 2010-07-14 |
| CN101776928B true CN101776928B (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102389757A Expired - Fee Related CN101776928B (en) | 2009-12-31 | 2009-12-31 | Heating device for toaster and temperature control method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2285111Y (en) * | 1996-12-13 | 1998-07-01 | 汕头市粤锴精密模具有限公司 | Energy saving oven for toasting |
| US5948305A (en) * | 1997-09-02 | 1999-09-07 | Hp Intellectual Corp. | Multi-function control module for toaster oven appliance |
| EP0896785B1 (en) * | 1996-05-03 | 2006-12-13 | Sunbeam Products, Inc. | Control for an electric heating device for providing consistent heating results |
| CN201070288Y (en) * | 2007-04-29 | 2008-06-11 | 浙江工业大学 | Multifunctional breakfast device |
| CN201175259Y (en) * | 2008-01-30 | 2009-01-07 | 陈国芳 | Thermal insulation electric cup |
| CN201341804Y (en) * | 2009-01-06 | 2009-11-11 | 亿特机电实业（深圳）有限公司 | Heating circuit for double-slot toaster |
-
2009
- 2009-12-31 CN CN2009102389757A patent/CN101776928B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0896785B1 (en) * | 1996-05-03 | 2006-12-13 | Sunbeam Products, Inc. | Control for an electric heating device for providing consistent heating results |
| CN2285111Y (en) * | 1996-12-13 | 1998-07-01 | 汕头市粤锴精密模具有限公司 | Energy saving oven for toasting |
| US5948305A (en) * | 1997-09-02 | 1999-09-07 | Hp Intellectual Corp. | Multi-function control module for toaster oven appliance |
| CN201070288Y (en) * | 2007-04-29 | 2008-06-11 | 浙江工业大学 | Multifunctional breakfast device |
| CN201175259Y (en) * | 2008-01-30 | 2009-01-07 | 陈国芳 | Thermal insulation electric cup |
| CN201341804Y (en) * | 2009-01-06 | 2009-11-11 | 亿特机电实业（深圳）有限公司 | Heating circuit for double-slot toaster |
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| Publication number | Publication date |
|---|---|
| CN101776928A (en) | 2010-07-14 |
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Granted publication date: 20120815 Termination date: 20191231 |