CN200976114Y - Constant-temperature temperature controller for electric cooking appliance - Google Patents
Constant-temperature temperature controller for electric cooking appliance Download PDFInfo
- Publication number
- CN200976114Y CN200976114Y CN 200620158458 CN200620158458U CN200976114Y CN 200976114 Y CN200976114 Y CN 200976114Y CN 200620158458 CN200620158458 CN 200620158458 CN 200620158458 U CN200620158458 U CN 200620158458U CN 200976114 Y CN200976114 Y CN 200976114Y
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- China
- Prior art keywords
- temperature
- circuit board
- control circuit
- temperature controller
- cooking appliance
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Abstract
The utility model relates to the temperature control field, in particular to a constant temperature controller of the electric cooker, which comprises a temperature sensor (1), a temperature indicator (2), a potentiometer and a power switch (3), an output interface (4, 5), a power plug (6), a silicon controlled rectifier (7), a control circuit board (8) and a knob of the potentiometer. A control chip (13) is integrated on the control circuit board; the silicon controlled rectifier is arranged on the control circuit board; the temperature sensor, the temperature indicator, the potentiometer and the power switch are connected with the control chip on the control circuit board respectively; the output interface and the power plug are connected with input and output terminals of the control circuit board respectively. The utility model adjusts output power automatically according to temperature difference. Once the temperature reaches the temperature set before, the controller operates constant temperature control. The utility model has the advantages of small temperature difference, long service life and low energy consumption, thereby protecting environment and keeping healthy. Moreover, the utility model can replace the prior insertion adjustable temperature controller without changing the structure of the existing furnace body.
Description
Technical field
The utility model relates to the temperature control technology field, relates in particular to a kind of thermostat temperature control device that is used for electric barbecue furnace, electric frying pan, electric chafing dish etc.
Background technology
Present electric barbecue furnace, electric frying pan, electric chafing dish temperature controller, all adopt the expansion type bimetallic temperature transducer as temperature switch, carry out temperature control with temperature adjustment rod (the adjustable temperature controller of plug-in type), this temperature controller has only logical and disconnected two states, and its shortcoming is that temperature control capability is poor.Temperature difference is big up and down when reaching the temperature of setting, in use is difficult for accurately control cooker temperature, and is burned food easily when temperature is too high, produces oil smoke and carcinogen, influences healthy and contaminated environment; Temperature is crossed the low requirement that does not reach use again.
The utility model proposes for addressing the above problem.
The utility model content
The purpose of this utility model provides a kind of electric cooking appliance thermostat temperature controller, this controller comprises temperature sensor, temperature indicator (TI), potentiometer and power switch, output interface, attaching plug, controllable silicon, control circuit board and potentiometer knob, it is characterized in that: on control circuit board, be integrated with control chip, controllable silicon is arranged on the control circuit board, temperature sensor, temperature indicator (TI), potentiometer and power switch are electrically connected with control chip on the control circuit board respectively, and output interface and attaching plug are electrically connected with the input/output terminal of control circuit board respectively.
Wherein, temperature sensor is arranged on probe the inside, and inner lead-in wire is electrically connected with control chip on the control circuit board by popping one's head in.
Preferably, this temperature controller also is provided with the temperature switch that is used for overheating protection.
Preferably, this electric cooking appliance thermostat temperature controller also comprises small heat-dissipating blower fan and the radiating fin that is arranged on the control circuit board below.
Preferably, controllable silicon wherein adopts bidirectional triode thyristor; Temperature sensor is a thermistor, and temperature indicator (TI) can be pilot lamp or display.
The utility model can be adjusted the watt level of output automatically according to temperature difference size, carry out thermostatic control when cooker reaches the temperature of setting, up and down little, the long service life of temperature error, energy consumption is low, body is less, environment protection health; And can change existing furnace binding, directly replace the adjustable temperature controller of existing plug-in type.
Description of drawings
Fig. 1 is an overall appearance synoptic diagram of the present utility model;
Fig. 2 is a forward cut-open view of the present utility model;
Among the figure: 1, temperature sensor; 2, temperature indicator (TI); 3, potentiometer and power switch; 4, output interface; 5, output interface; 6, attaching plug; 7, controllable silicon; 8, control circuit board; 9, small heat-dissipating blower fan; 10, shell; 11, potentiometer knob; 12, radiating fin; 13, control chip; 14, temperature switch.
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting scope of the present utility model.
Electric cooking appliance thermostat temperature controller described in the utility model comprises temperature sensor 1, temperature indicator (TI) 2, potentiometer 3, output interface 4 and 5, attaching plug 6, controllable silicon 7, control circuit board 8, potentiometer knob 11 and shell 10, wherein be integrated with control chip 13 on the control circuit board 8, controllable silicon 7 is arranged on the control circuit board 8, and temperature sensor 1, temperature indicator (TI) 2, potentiometer 3, output interface 4 and 5, attaching plug 6 and small heat-dissipating blower fan 9 and temperature switch 14 are electrically connected with control circuit board 8 respectively.
As depicted in figs. 1 and 2, temperature sensor 1 is arranged on plug surface, is electrically connected with control chip 13 on the control circuit board by the lead-in wire of plug inside; Wherein temperature sensor 1 adopts thermistor.
When the plug that is provided with temperature sensor 1 of temperature controller is inserted in the body of heater, after the energized, rotational potentiometer knob 11, potentiometer drives power switch, circuit is started working, potentiometer is transferred to needed temperature, this moment, temperature sensor detected furnace body temperature (during temperature variation, the thermistor resistance changes simultaneously), by voltage ratio, trigger the ON time of controllable silicon 7 by the 13 output controls of the control chip on the control circuit board 8, control output power size reaches the purpose that keeps constant temperature behind the design temperature to realize making body of heater.
Wherein, use potentiometer to carry and can conveniently regulate temperature level, controllable silicon 7 adopts bidirectional triode thyristor, can increase the service life; Temperature indicator (TI) can be pilot lamp or display, both can with one or more pilot lamp by bright/go out, flash or variation that color is come displays temperature, also can adopt the pattern of display displays temperature value or expression temperature to reflect that furnace body temperature changes.
In addition, in order to reduce power consumption and volume, to increase the service life, the utility model does not use power transformer, and the heating radiator that is arranged on control circuit board 8 belows is provided, comprise small heat-dissipating blower fan 9 and radiating fin 12, in order to strengthen the heat dispersion of temperature controller.
Another preferred embodiment; in the utility model temperature controller, also be provided with the temperature switch 14 that is used for overheating protection; temperature switch 14 is placed on the heating radiator; be connected with control panel; when surpassing limiting temperature, temperature on the heating radiator quits work automatically; equitemperature is started working after reducing automatically, reaches heat protection function.
Though the present embodiment statement is the thermostat temperature controller of electric cooking appliances such as electric oven, electric frying pan, electric chafing dish; but those skilled in the art can apply it to other field solving temperature control problem, so all relevant expansions of carrying out on the basis of present embodiment of those skilled in the art and use the protection domain that all should fall into the application.
Claims (7)
1, a kind of electric cooking appliance thermostat temperature controller, comprise temperature sensor (1), temperature indicator (TI) (2), potentiometer and power switch (3), output interface (4,5), attaching plug (6), controllable silicon (7), control circuit board (8) and potentiometer knob (11), it is characterized in that: on control circuit board (8), be integrated with control chip (13), controllable silicon (7) is arranged on the control circuit board (8), temperature sensor (1), temperature indicator (TI) (2), potentiometer and power switch (3) are electrically connected with control chip (13) on the control circuit board (8) respectively, and output interface and attaching plug (6) are electrically connected with the input/output terminal of control circuit board respectively.
2, electric cooking appliance thermostat temperature controller as claimed in claim 1 is characterized in that: temperature sensor (1) is arranged on probe the inside, and inner lead-in wire is electrically connected with control chip (13) on the control circuit board by popping one's head in.
3, electric cooking appliance thermostat temperature controller as claimed in claim 1 or 2 is characterized in that also comprising the small heat-dissipating blower fan (9) and the radiating fin (12) that are arranged on control circuit board (8) below.
4, electric cooking appliance thermostat temperature controller as claimed in claim 3 is characterized in that this temperature controller also is provided with the temperature switch (14) that is used for overheating protection.
5, electric cooking appliance thermostat temperature controller as claimed in claim 4 is characterized in that described temperature sensor (1) is a thermistor.
6, electric cooking appliance thermostat temperature controller as claimed in claim 4 is characterized in that described controllable silicon (7) is a bidirectional triode thyristor.
7, electric cooking appliance thermostat temperature controller as claimed in claim 4 is characterized in that described temperature indicator (TI) (2) can be pilot lamp or display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620158458 CN200976114Y (en) | 2006-11-14 | 2006-11-14 | Constant-temperature temperature controller for electric cooking appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620158458 CN200976114Y (en) | 2006-11-14 | 2006-11-14 | Constant-temperature temperature controller for electric cooking appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200976114Y true CN200976114Y (en) | 2007-11-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620158458 Expired - Fee Related CN200976114Y (en) | 2006-11-14 | 2006-11-14 | Constant-temperature temperature controller for electric cooking appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200976114Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137043A (en) * | 2020-01-14 | 2020-05-12 | 河北科技大学 | Hot rivet head structure of binding machine and binding machine |
| CN114190773A (en) * | 2020-09-17 | 2022-03-18 | 广东美的厨房电器制造有限公司 | Control method of cooking appliance, cooking appliance and computer readable storage medium |
-
2006
- 2006-11-14 CN CN 200620158458 patent/CN200976114Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137043A (en) * | 2020-01-14 | 2020-05-12 | 河北科技大学 | Hot rivet head structure of binding machine and binding machine |
| CN114190773A (en) * | 2020-09-17 | 2022-03-18 | 广东美的厨房电器制造有限公司 | Control method of cooking appliance, cooking appliance and computer readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071114 Termination date: 20101114 |