CN204103452U - A kind of thermometric energy-saving circuit - Google Patents
A kind of thermometric energy-saving circuit Download PDFInfo
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- CN204103452U CN204103452U CN201420519712.XU CN201420519712U CN204103452U CN 204103452 U CN204103452 U CN 204103452U CN 201420519712 U CN201420519712 U CN 201420519712U CN 204103452 U CN204103452 U CN 204103452U
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- 239000000523 sample Substances 0.000 claims abstract description 13
- 230000007958 sleep Effects 0.000 claims abstract description 6
- 230000005059 dormancy Effects 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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Abstract
The utility model relates to household appliance technical field, discloses a kind of thermometric energy-saving circuit.This circuit comprises: control part and temperature sensor, wherein, this temperature sensor probe temperature lower than during predetermined temperature threshold export sleep signal, this control part according to sleep signal select switch to park mode.Thermometric energy-saving circuit of the present utility model, can when temperature be lower than a certain predetermined value, making the control part of pan enter park mode, compared to making in prior art that whole pan is standby and control part is in low-speed operation mode, the effect of electrical energy saving can be played further.
Description
Technical field
The utility model relates to field of household appliances, particularly a kind of pan thermometric energy-saving circuit and application thereof.
Background technology
Along with the development of science and technology, the use of intelligent appliance for kitchen use in people's life is more and more general, and the cooking temp that they can be different according to the different requirements set of user is user-friendly.For electromagnetic oven, current electromagnetic oven is usual is for the sake of security provided with temperature sensor in panel bottom surface, when the temperature of panel bottom surface is higher than a certain temperature value, electromagnetic oven meeting automatic shutdown, and when the temperature of panel bottom surface is lower than a certain temperature value, this electromagnetic oven enters standby mode, and now its main control chip is in low speed operating mode.Although just operate in low-speed mode, now electromagnetic oven still has larger power consumption.
Utility model content
The purpose of this utility model is the thermometric energy-saving circuit providing a kind of pan, when temperature is lower than a certain predetermined value, the control part of pan can be made to enter park mode, play the effect of electrical energy saving.
For solving the problems of the technologies described above, first aspect of the present utility model discloses a kind of thermometric energy-saving circuit, this circuit comprises: control part and temperature sensor, wherein, this temperature sensor exports sleep signal at probe temperature lower than during predetermined temperature threshold, and control part is selected to switch to park mode according to sleep signal.
In another preference, this thermometric energy-saving circuit also comprises converter section, this converter section connects described temperature sensor and control part, for when the probe temperature of temperature sensor is lower than predetermined temperature threshold, the voltage transition of the port be connected with control part by this converter section is dormancy magnitude of voltage, and described control part enters park mode after the voltage transition of this port is dormancy power supply.
In another preference, the first end of described temperature sensor connects the first end of described control part and the first end of described converter section simultaneously; Second end of described converter section connects the second end of described control part, for when the magnitude of voltage of described temperature sensor first end voltage reaches predetermined voltage threshold, the output voltage of this converter section second end is changed to dormancy magnitude of voltage, and described control part enters park mode after the output voltage of described converter section second end changes into dormancy magnitude of voltage.
In another preference, described converter section is triode.
In another preference, described converter section is bipolar npn transistor npn npn, and the first end of described converter section is the base stage of this bipolar npn transistor npn npn, and the second end of this converter section is the collector electrode of this bipolar npn transistor npn npn; The grounded emitter of described bipolar npn transistor npn npn; When described probe temperature is higher than predetermined temperature threshold, this bipolar npn transistor npn npn is in cut-off state, and described predetermined threshold voltage is the cut-ff voltage of this bipolar npn transistor npn npn.
In another preference, described temperature sensor is resistance temperature detector, second end of this temperature sensor connects supply voltage, and when probe temperature is lower than predetermined temperature threshold, the magnitude of voltage of the first end of this resistance temperature detector raises with the reduction of temperature; And this circuit also comprises:
First resistance, this first resistance connects the collector electrode of supply voltage and described bipolar npn transistor npn npn; Second resistance and the 3rd resistance, described second resistance connects the first end of described resistance temperature detector and the first end of described bipolar npn transistor npn npn, and described 3rd resistance one end connects the first end of described bipolar npn transistor npn npn and other end ground connection; 4th resistance and capacitor, one end of described 4th resistance connects described resistance temperature detector first end and other end ground connection, described capacitor and the 4th resistor coupled in parallel.
In another preference, described temperature sensor is transistor temperature sensor.
Second aspect of the present utility model discloses a kind of pan, and this pan comprises the thermometric energy-saving circuit of the pan described in the utility model first aspect.
Compared with prior art, the main distinction and effect thereof are the utility model execution mode:
Thermometric energy-saving circuit of the present utility model, can when temperature be lower than a certain predetermined value, and make the control part of electrical equipment enter park mode, compared to making whole electric appliance standby in prior art, control part is in low-speed operation mode, plays the effect of further electrical energy saving.
By adding switching part, the voltage that temperature sensor exports can be changed, control part is received input voltage that two have pressure reduction, thus be switched to park mode according to input voltage, realize making temperature sensor enter park mode by voltage control control part.
Converter section adopts triode can realize the function of switch control portion input voltage, triode technology maturation, of a great variety, makes application of the present invention have universality.
Use bipolar npn transistor npn npn as converter section, temperature sensor just can be made to enter park mode by voltage control control part, circuit structure is simple, and production cost is low.
Add second and the 3rd resistance in circuit, the effect regulating temperature predetermined threshold can be played, add the first resistance, the effect of current limliting can be played, thus improve the stability of whole circuit.
Adopt thermometric energy-saving circuit of the present utility model, high power electrical equipment as this in electromagnetic oven can be made when user does not use, switch main control chip and enter park mode, compared to the low speed operating mode of prior art, can better power consumption be saved.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of thermometric energy-saving circuit in the utility model execution mode one;
Fig. 2 is the circuit diagram of a kind of thermometric energy-saving circuit in the utility model execution mode one.
Embodiment
In the following description, many ins and outs are proposed in order to make reader understand the application better.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations of following execution mode and amendment, also can realize each claim of the application technical scheme required for protection.
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, execution mode of the present utility model is described in further detail.
The utility model first execution mode relates to a kind of thermometric energy-saving circuit of pan, as shown in Figure 1, this thermometric energy-saving circuit comprises: control part 2, temperature sensor 1 and converter section 3, wherein, first end 1.1 first end 2.1 in connection control portion and the first end 3.1 of converter section simultaneously of temperature sensor, for when the probe temperature of temperature sensor 1 is lower than predetermined temperature threshold, change the magnitude of voltage of this temperature sensor 1 first end 1.1 according to the reduction of probe temperature; Second end 2.2 in the second end 3.2 connection control portion 2 of converter section 3, for when the magnitude of voltage of temperature sensor 1 first end voltage reaches predetermined voltage threshold, the output voltage of this converter section 3 second end 3.2 is changed to dormancy magnitude of voltage, and control part 2 enters park mode after the output voltage of converter section 3 second end 3.2 changes into dormancy magnitude of voltage.
By adding switching part, the voltage that temperature sensor exports can be changed, control part is received input voltage that two have pressure reduction, thus be switched to park mode according to input voltage, realize making temperature sensor enter park mode by voltage control control part.In a specific implementation preference of present embodiment, converter section 2 is triode, and such as, converter section is bipolar npn transistor npn npn 3, the first end 3.1 of converter section is the base stage of this bipolar npn transistor npn npn 3, and the second end 3.2 of this converter section is the collector electrode of this bipolar npn transistor npn npn.
As shown in Figure 2, emitter 3.3 ground connection (GND) of this bipolar npn transistor npn npn 3.When probe temperature is higher than predetermined temperature threshold, this bipolar npn transistor npn npn 3 is in cut-off state, and predetermined threshold voltage is the cut-ff voltage of this bipolar npn transistor npn npn 3.Simultaneously, temperature sensor is resistance temperature detector 1, second end 1.1 of this resistance temperature detector 1 connects supply voltage VCC, and when probe temperature is lower than predetermined temperature threshold, the magnitude of voltage of the first end 1.1 of this resistance temperature detector 1 raises with the reduction of temperature.This circuit also comprises the first resistance 4, and this first resistance 4 connects the collector electrode 3.2 of supply voltage and bipolar npn transistor npn npn 3.This circuit also comprises the second resistance 5 and the 3rd resistance 6, first end the 3.1, three resistance 6 one end of the first end 1.1 of the second resistance 5 contact resistance formula temperature sensor 1 and bipolar npn transistor npn npn 3 connects the first end 3.1 of bipolar npn transistor npn npn 3 and other end ground connection.This circuit also comprises the first end 1.1 of one end contact resistance formula temperature sensor 1 of the 4th resistance 7 and capacitor the 8, four resistance 7 and other end ground connection, and capacitor 8 is in parallel with the 4th resistance 7.Preferably, above-mentioned control part is the single-chip microcomputer carrying park mode.The course of work of the thermometric energy-saving circuit of the pan of this preference is as follows:
According to variations in temperature, resistance value in resistance temperature detector 1 changes, the magnitude of voltage of the first end 1.1 of this resistance temperature detector 1 is along with changing, the magnitude of voltage of first end 1.1 determines conducting and the cut-off of bipolar npn transistor npn npn 3, when the cut-off pressure drop higher than triode of the magnitude of voltage of first end 1.1, this bipolar npn transistor npn npn 3 conducting, second end 3.2 of this bipolar npn transistor npn npn 3 by high level to low transition, just the single-chip microcomputer carrying park mode can be made to enter resting state, wherein, second resistance 5 and the 3rd resistance 6 play the effect regulating predetermined temperature threshold, first resistance 4 plays the effect of current limliting.
In addition, in the present embodiment, converter section adopts triode can realize the function of switch control portion input voltage, triode technology maturation, of a great variety, makes application of the present invention have universality.Use bipolar npn transistor npn npn as converter section, temperature sensor just can be made to enter park mode by voltage control control part, circuit structure is simple, and production cost is low.Add second and the 3rd resistance in circuit, the effect regulating temperature predetermined threshold can be played, add the first resistance, the effect of current limliting can be played, thus improve the stability of whole circuit.
Be appreciated that in other execution modes of the present utility model, temperature sensor also can be transistor temperature sensor, and converter section is positive-negative-positive bipolar transistor.
The utility model second execution mode relates to a kind of electrical equipment, and this electrical equipment comprises thermometric energy-saving circuit as described in the first embodiment.
In another preference of the present invention, this electrical equipment is electromagnetic oven.
In other execution modes of the present utility model, above-mentioned thermometric energy-saving circuit also can be used in the electrical equipment such as pan.
Adopt thermometric energy-saving circuit of the present utility model, high power electrical equipment as this in electromagnetic oven can be made when user does not use, switch main control chip and enter park mode, compared to the low speed operating mode of prior art, can better power consumption be saved.
It should be noted that, in the claim and specification of this patent, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element " being comprised " limited by statement, and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Although by referring to some preferred implementation of the present utility model, the utility model illustrated and describe, but those of ordinary skill in the art should be understood that and can do various change to it in the form and details, and does not depart from spirit and scope of the present utility model.
Claims (9)
1. a thermometric energy-saving circuit, it is characterized in that, described circuit comprises: control part and temperature sensor, wherein, this temperature sensor exports sleep signal at probe temperature lower than during predetermined temperature threshold, and described control part is selected to switch to park mode according to described sleep signal.
2. thermometric energy-saving circuit according to claim 1, it is characterized in that, this thermometric energy-saving circuit also comprises converter section, this converter section connects described temperature sensor and control part, for when the probe temperature of temperature sensor is lower than predetermined temperature threshold, the voltage transition of the port be connected with control part by this converter section is dormancy magnitude of voltage, and described control part enters park mode after the voltage transition of this port is dormancy power supply.
3. thermometric energy-saving circuit according to claim 2, is characterized in that, the first end of described temperature sensor connects the first end of described control part and the first end of described converter section simultaneously;
Second end of described converter section connects the second end of described control part, for when the magnitude of voltage of described temperature sensor first end voltage reaches predetermined voltage threshold, the output voltage of this converter section second end is changed to dormancy magnitude of voltage, and described control part enters park mode after the output voltage of described converter section second end changes into dormancy magnitude of voltage.
4. thermometric energy-saving circuit according to claim 2, is characterized in that, described converter section is triode.
5. thermometric energy-saving circuit according to claim 2, it is characterized in that, described converter section is bipolar npn transistor npn npn, and the first end of described converter section is the base stage of this bipolar npn transistor npn npn, and the second end of this converter section is the collector electrode of this bipolar npn transistor npn npn;
The grounded emitter of described bipolar npn transistor npn npn; When described probe temperature is higher than predetermined temperature threshold, this bipolar npn transistor npn npn is in cut-off state, and described predetermined threshold voltage is the cut-ff voltage of this bipolar npn transistor npn npn.
6. thermometric energy-saving circuit according to claim 5, it is characterized in that, described temperature sensor is resistance temperature detector, second end of this temperature sensor connects supply voltage, and when probe temperature is lower than predetermined temperature threshold, the magnitude of voltage of the first end of this resistance temperature detector raises with the reduction of temperature;
And this circuit also comprises:
First resistance, this first resistance connects the collector electrode of supply voltage and described bipolar npn transistor npn npn;
Second resistance and the 3rd resistance, described second resistance connects the first end of described resistance temperature detector and the first end of described bipolar npn transistor npn npn, and described 3rd resistance one end connects the first end of described bipolar npn transistor npn npn and other end ground connection;
4th resistance and capacitor, one end of described 4th resistance connects described resistance temperature detector first end and other end ground connection, described capacitor and the 4th resistor coupled in parallel.
7. the thermometric energy-saving circuit according to any one of claim 1, is characterized in that, described temperature sensor is transistor temperature sensor.
8. an electrical equipment, is characterized in that, comprises the thermometric energy-saving circuit of the pan according to any one of claim 1 to 7.
9. electrical equipment according to claim 8, is characterized in that, described electrical equipment is electromagnetic oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420519712.XU CN204103452U (en) | 2014-09-11 | 2014-09-11 | A kind of thermometric energy-saving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420519712.XU CN204103452U (en) | 2014-09-11 | 2014-09-11 | A kind of thermometric energy-saving circuit |
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| Publication Number | Publication Date |
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| CN204103452U true CN204103452U (en) | 2015-01-14 |
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| CN201420519712.XU Active CN204103452U (en) | 2014-09-11 | 2014-09-11 | A kind of thermometric energy-saving circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108241393A (en) * | 2016-12-27 | 2018-07-03 | 佛山市顺德区美的电热电器制造有限公司 | Control system, control method and the household electrical appliance of radio temperature sensor |
| CN110058888A (en) * | 2018-01-17 | 2019-07-26 | 佛山市顺德区美的电热电器制造有限公司 | The awakening method of cookware and its operating system, operating system |
-
2014
- 2014-09-11 CN CN201420519712.XU patent/CN204103452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108241393A (en) * | 2016-12-27 | 2018-07-03 | 佛山市顺德区美的电热电器制造有限公司 | Control system, control method and the household electrical appliance of radio temperature sensor |
| CN110058888A (en) * | 2018-01-17 | 2019-07-26 | 佛山市顺德区美的电热电器制造有限公司 | The awakening method of cookware and its operating system, operating system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 250118 999 Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee after: Joyoung Company Limited Address before: Xinsha Road, Huaiyin District of Ji'nan city of Shandong Province, No. 12 250118 Patentee before: Joyoung Company Limited |