CN205139738U - Simple and easy type is circuit because thermistor automatic control wen ke of silicon controlled rectifier adjusts temperature - Google Patents
Simple and easy type is circuit because thermistor automatic control wen ke of silicon controlled rectifier adjusts temperature Download PDFInfo
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- CN205139738U CN205139738U CN201520643203.2U CN201520643203U CN205139738U CN 205139738 U CN205139738 U CN 205139738U CN 201520643203 U CN201520643203 U CN 201520643203U CN 205139738 U CN205139738 U CN 205139738U
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- thermistor
- resistance
- electric capacity
- silicon controlled
- temp
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Abstract
The utility model relates to a temperature control circuit, especially a simple and easy type is circuit because thermistor automatic control wen ke of silicon controlled rectifier adjusts temperature, including the bidirectional thyristor, thermistor, resistance, the potentiometre, electric capacity and bilateral diode, the live wire is connected to the thermistor input, thermistor output connecting resistance input, first foot of potentiometre and second foot are connected respectively to the resistance output, anodal and the bilateral diode input of electric capacity is connected respectively to potentiometre third foot, the zero line is connected to the electric capacity negative pole, the bidirectional thyristor G utmost point is connected to the bilateral diode output, bidirectional thyristor T1 extremely connects the live wire, bidirectional thyristor T2 extremely connects the zero line, the utility model discloses simple structure, it is practical reliable, be connected to silicon controlled rectifier trigger circuit through thermistor for the temperature obtains automatic control, adjusts output through the potentiometre in addition and adjusts between 0 - is the biggest, thereby make the temperature variation of load, is fit for high -power electrical apparatus such as all kinds of electric chafing dishes, electric frying pan and uses.
Description
Technical field
The utility model relates to a kind of temperature-adjusting circuit, and especially a kind of simple type is based on silicon controlled thermistor temp auto-controlled temp. controllable circuit.
Background technology
In the electrical equipment of other use controllable silicon heated for controlling temperatures such as electric chafing dish, electric oven, all adopt silicon-controlled voltage regulation module circuitry, this module need with temperature controller with the use of or external potentiometer from Row sum-equal matrix output power, when using temperature controller, cost higher volumes is comparatively large, and common external potentiometer has and cannot reach temperature automatically controlled.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of easy temp auto-controlled temp. controllable circuit.
The technical solution of the utility model is:
Simple type is based on silicon controlled thermistor temp auto-controlled temp. controllable circuit, comprise bidirectional triode thyristor, thermistor, resistance, potentiometer, electric capacity and bilateral diode, it is characterized in that: described thermistor input end connects live wire, described thermistor output terminal contact resistance input end, described resistance output terminal connects potentiometer first pin and crus secunda respectively, described potentiometer tripod connects capacitance cathode and bilateral diode input end respectively, described electric capacity negative pole connects zero line, described bilateral diode output terminal connects bidirectional triode thyristor G pole, described bidirectional triode thyristor T1 pole connects live wire, described bidirectional triode thyristor T2 pole connects zero line.
Described thermistor is posistor.
Described resistance is 5000 ohm.
Described potentiometer maximum resistance resistance is 500000 ohm.
The specification of described electric capacity is 0.1 microfarad, and the rated voltage of described electric capacity is 400 volts.
Principle of work of the present utility model:
Posistor is connected in series in thyristor gating circuit, when when just having started to heat, potentiometer RS is adjusted to minimum, posistor RT resistance is less, now controllable silicon full power exports, when raising along with load temperature, RT thermistor resistance raises, RC time constant changes, controllable silicon exports and slowly diminishes, when silicon controlled heating and the heat radiation of load reach balance, load temperature is not in rising, the resistance of adjusting resistance R2 and the resistance of adjustment RT thermistor can set maximum temperature, and output power can be adjusted between 0-is maximum by potentiometer RS and adjust, thus make the temperature variation of load, process different objects.
The beneficial effects of the utility model are: the utility model structure is simple, practical reliable, be connected in thyristor gating circuit by thermistor, temperature is controlled automatically, adjust output power additionally by potentiometer to adjust between 0-is maximum, thus make the temperature variation of load, be applicable to the high-power electric appliances such as all kinds of electric chafing dish, electric frying pan and use.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
In figure, 1, thermistor; 2, resistance; 3, potentiometer; 4, electric capacity; 5, bilateral diode; 6, bidirectional triode thyristor; 7, live wire; 8, zero line.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
As shown in Figure 1, simple type is based on silicon controlled thermistor temp auto-controlled temp. controllable circuit, comprise bidirectional triode thyristor 6, thermistor 1, resistance 2, potentiometer 3, electric capacity 4 and bilateral diode 5, it is characterized in that: described thermistor 1 input end connects live wire 7, described thermistor 1 output terminal contact resistance 2 input end, described resistance 2 output terminal connects potentiometer 3 first pin and crus secunda respectively, described potentiometer 3 tripod connects electric capacity 4 positive pole and bilateral diode input end respectively, described electric capacity 4 negative pole connects zero line 8, described bilateral diode 5 output terminal connects bidirectional triode thyristor 6G pole, described bidirectional triode thyristor 6T1 pole connects live wire 7, described bidirectional triode thyristor 6T2 pole connects zero line 8.
Described thermistor 1 is posistor.
Described resistance 2 resistance is 5000 ohm.
Described potentiometer 3 maximum resistance resistance is 500000 ohm.
The specification of described electric capacity 4 is 0.1 microfarad, and the rated voltage of described electric capacity 4 is 400 volts.
What describe in above-described embodiment and instructions just illustrates principle of the present utility model and most preferred embodiment; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.
Claims (5)
1. simple type is based on silicon controlled thermistor temp auto-controlled temp. controllable circuit, comprise bidirectional triode thyristor, thermistor, resistance, potentiometer, electric capacity and bilateral diode, it is characterized in that: described thermistor input end connects live wire, described thermistor output terminal contact resistance input end, described resistance output terminal connects potentiometer first pin and crus secunda respectively, described potentiometer tripod connects capacitance cathode and bilateral diode input end respectively, described electric capacity negative pole connects zero line, described bilateral diode output terminal connects bidirectional triode thyristor G pole, described bidirectional triode thyristor T1 pole connects live wire, described bidirectional triode thyristor T2 pole connects zero line.
2. simple type according to claim 1 is based on silicon controlled thermistor temp auto-controlled temp. controllable circuit, it is characterized in that: described thermistor is posistor.
3. simple type according to claim 1 is based on silicon controlled thermistor temp auto-controlled temp. controllable circuit, it is characterized in that: described resistance is 5000 ohm.
4. simple type according to claim 1 is based on silicon controlled thermistor temp auto-controlled temp. controllable circuit, it is characterized in that: described potentiometer maximum resistance resistance is 500000 ohm.
5. simple type according to claim 1 is based on silicon controlled thermistor temp auto-controlled temp. controllable circuit, it is characterized in that: the specification of described electric capacity is 0.1 microfarad, and the rated voltage of described electric capacity is 400 volts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643203.2U CN205139738U (en) | 2015-08-25 | 2015-08-25 | Simple and easy type is circuit because thermistor automatic control wen ke of silicon controlled rectifier adjusts temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520643203.2U CN205139738U (en) | 2015-08-25 | 2015-08-25 | Simple and easy type is circuit because thermistor automatic control wen ke of silicon controlled rectifier adjusts temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205139738U true CN205139738U (en) | 2016-04-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520643203.2U Expired - Fee Related CN205139738U (en) | 2015-08-25 | 2015-08-25 | Simple and easy type is circuit because thermistor automatic control wen ke of silicon controlled rectifier adjusts temperature |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205139738U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107951389A (en) * | 2017-12-26 | 2018-04-24 | 九阳股份有限公司 | A kind of food processor |
| CN108512535A (en) * | 2018-03-29 | 2018-09-07 | 华南理工大学 | The thyristor gating circuit compensated using posive temperature coefficient thermistor |
-
2015
- 2015-08-25 CN CN201520643203.2U patent/CN205139738U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107951389A (en) * | 2017-12-26 | 2018-04-24 | 九阳股份有限公司 | A kind of food processor |
| CN108512535A (en) * | 2018-03-29 | 2018-09-07 | 华南理工大学 | The thyristor gating circuit compensated using posive temperature coefficient thermistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20170825 |