CN104298273A - Temperature controller for automatic selling machine - Google Patents
Temperature controller for automatic selling machine Download PDFInfo
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- CN104298273A CN104298273A CN201410626229.6A CN201410626229A CN104298273A CN 104298273 A CN104298273 A CN 104298273A CN 201410626229 A CN201410626229 A CN 201410626229A CN 104298273 A CN104298273 A CN 104298273A
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- resistance
- temperature
- temperature sensor
- relay
- potentiometer
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- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Abstract
The invention discloses a temperature controller for an automatic selling machine. The temperature controller comprises an AC power supply, a fuse protector, a rectifier, a transformer, a heater strip, a capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a sixth resistor, a voltage-stabilizing diode, a relay, a potentiometer, a triode and a temperature sensor. According to the invention, the temperature sensor is used for detecting the temperature of a heating area of the automatic selling machine, the temperature is set by the potentiometer, and when the temperature is lower than a set value of the controlled temperature, the output voltage of the temperature sensor is higher, so that the triode can be conducted, the pick-up of the relay is realized, and the heater strip stops power supply; the procedures are repeatedly performed, so that the temperature is stabilized to the set value, accordingly hot drinks can be provided at any time in winter, the waste of electric energy can also be avoided. The temperature controller disclosed by the invention has the advantages of simple circuit structure, few elements, low cost and stable operation, and facilitates popularization.
Description
Technical field
The present invention relates to a kind of temperature control device of automatic vending machine, particularly relate to a kind of temperature controller for automatic vending machine.
Background technology
Automatic vending machine is the machine automatically paying goods according to the coin dropped into, being the common equipment of business automation, is a kind of brand-new retailing form, and it is not by the restriction in time, place, manpower, convenient transaction can be saved, be called as the micro supermarket of 24 HOUR ACCESS.Enter 21 century, automatic vending machine is to the future development of saving resource and the energy and multifunction, for reducing the waste of the electric energy caused because providing hot drink, temperature controller is widely used in automatic vending machine, but, many temperature controller circuit structures for automatic vending machine are complicated, element is many, cost is high, job insecurity, are difficult to universal and promote.
Summary of the invention
Object of the present invention is just to provide a kind of temperature controller for automatic vending machine to solve the problem.
The present invention is achieved through the following technical solutions above-mentioned purpose:
The present invention includes AC power, fuse, rectifier, transformer, heater strip, electric capacity, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, voltage stabilizing diode, relay, potentiometer, triode and temperature sensor, the first end of described AC power is connected with the first end of the primary coil of described transformer and the first end of described fuse simultaneously, second end of described AC power is connected with the first end of the second end of the primary coil of described transformer and the normally opened contact of described relay simultaneously, second end of the normally opened contact of described relay connects the first end of described heater strip, second end of described heater strip connects the second end of described fuse, the first end of the secondary coil of described transformer connects the first ac voltage input of described rectifier, second end of the secondary coil of described transformer connects the second ac voltage input of described rectifier, the positive pole of described rectifier simultaneously with the first end of described electric capacity, the negative pole of described voltage stabilizing diode is connected with the first end of described 6th resistance, second end of described 6th resistance simultaneously with the first end of described relay, the first end of described 4th resistance is connected with the first end of described 3rd resistance, second end of described relay is connected with the described first end of the 5th resistance and the collector of described triode simultaneously, the base stage of described triode is connected with described second end of the 4th resistance and the output of described temperature sensor simultaneously, the cathode voltage end of described temperature sensor is connected with the first end of described first resistance and the second end of described 3rd resistance simultaneously, second end of described first resistance connects the first end of described potentiometer, the sliding end of described potentiometer is connected with described second end of the 5th resistance and the input end of described temperature sensor simultaneously, second end of described potentiometer connects the first end of described second resistance, second end of described second resistance simultaneously with the negative electricity pressure side of described temperature sensor, the emitter-base bandgap grading of described triode, the positive pole of described voltage stabilizing diode, second end of described electric capacity and the minus earth of described rectifier.
Beneficial effect of the present invention is:
The present invention adopts temperature sensor to detect the temperature of automatic vending machine heating zone, temperature is set by potentiometer, when temperature is lower than temperature control setting value, the output voltage of temperature sensor is higher, be enough to make triode ON, impel relay adhesive, heater strip is stopped power supply, so repeatedly continuous, make temperature stabilization in setting value, hot drink can be provided at any time so in the winter time, also can avoid waste of energy, and circuit structure of the present invention is simple, element is few, cost is low, working stability, is conducive to universal and promotes.
Accompanying drawing explanation
Fig. 1 is circuit structure schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described:
As shown in Figure 1: the present invention includes AC power AC, fuse FU, rectifier BR, transformer T, heater strip RL, electric capacity C, first resistance R1, second resistance R2, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, voltage stabilizing diode DW, relay K, potentiometer RP, triode VT and temperature sensor IC, the first end of AC power AC is connected with the first end of the primary coil of transformer T and the first end of fuse FU simultaneously, second end of AC power AC is connected with the first end of the second end of the primary coil of transformer T and the normally opened contact of relay K simultaneously, second end of the normally opened contact of relay K connects the first end of heater strip RL, second end of heater strip RL connects second end of fuse FU, the first end of the secondary coil of transformer T connects first ac voltage input of rectifier BR, second end of the secondary coil of transformer T connects second ac voltage input of rectifier BR, the positive pole of rectifier BR simultaneously with the first end of electric capacity C, the negative pole of voltage stabilizing diode DW is connected with the first end of the 6th resistance R6, second end of the 6th resistance R6 simultaneously with the first end of relay K, the first end of the 4th resistance R4 is connected with the first end of the 3rd resistance R3, second end of relay K is connected with the first end of the 5th resistance R5 and the collector of triode VT simultaneously, the base stage of triode VT is connected with second end of the 4th resistance R4 and the output of temperature sensor IC simultaneously, the cathode voltage end of temperature sensor IC is connected with the first end of the first resistance R1 and second end of the 3rd resistance R3 simultaneously, second end of the first resistance R1 connects the first end of potentiometer RP, the sliding end of potentiometer RP is connected with second end of the 5th resistance R5 and the input end of temperature sensor IC simultaneously, second end of potentiometer RP connects the first end of the second resistance R2, second end of the second resistance R2 simultaneously with the negative electricity pressure side of temperature sensor IC, the emitter-base bandgap grading of triode VT, the positive pole of voltage stabilizing diode DW, second end of electric capacity C and the minus earth of rectifier BR.
Principle of work of the present invention:
As shown in Figure 1: temperature of the present invention is set by potentiometer RP, when environment temperature is lower than temperature control setting value, the output voltage of temperature sensor IC is higher, be enough to make triode VT conducting, impel relay K adhesive, heater strip is stopped power supply, so repeatedly continuous, make temperature stabilization in setting value.
Claims (1)
1. the temperature controller for automatic vending machine, it is characterized in that: comprise AC power, fuse, rectifier, transformer, heater strip, electric capacity, first resistance, second resistance, 3rd resistance, 4th resistance, 5th resistance, 6th resistance, voltage stabilizing diode, relay, potentiometer, triode and temperature sensor, the first end of described AC power is connected with the first end of the primary coil of described transformer and the first end of described fuse simultaneously, second end of described AC power is connected with the first end of the second end of the primary coil of described transformer and the normally opened contact of described relay simultaneously, second end of the normally opened contact of described relay connects the first end of described heater strip, second end of described heater strip connects the second end of described fuse, the first end of the secondary coil of described transformer connects the first ac voltage input of described rectifier, second end of the secondary coil of described transformer connects the second ac voltage input of described rectifier, the positive pole of described rectifier simultaneously with the first end of described electric capacity, the negative pole of described voltage stabilizing diode is connected with the first end of described 6th resistance, second end of described 6th resistance simultaneously with the first end of described relay, the first end of described 4th resistance is connected with the first end of described 3rd resistance, second end of described relay is connected with the described first end of the 5th resistance and the collector of described triode simultaneously, the base stage of described triode is connected with described second end of the 4th resistance and the output of described temperature sensor simultaneously, the cathode voltage end of described temperature sensor is connected with the first end of described first resistance and the second end of described 3rd resistance simultaneously, second end of described first resistance connects the first end of described potentiometer, the sliding end of described potentiometer is connected with described second end of the 5th resistance and the input end of described temperature sensor simultaneously, second end of described potentiometer connects the first end of described second resistance, second end of described second resistance simultaneously with the negative electricity pressure side of described temperature sensor, the emitter-base bandgap grading of described triode, the positive pole of described voltage stabilizing diode, second end of described electric capacity and the minus earth of described rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626229.6A CN104298273A (en) | 2014-11-10 | 2014-11-10 | Temperature controller for automatic selling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626229.6A CN104298273A (en) | 2014-11-10 | 2014-11-10 | Temperature controller for automatic selling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104298273A true CN104298273A (en) | 2015-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410626229.6A Pending CN104298273A (en) | 2014-11-10 | 2014-11-10 | Temperature controller for automatic selling machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931366A (en) * | 2016-04-26 | 2016-09-07 | 上海交通大学 | Living leaf vegetable vending machine and management method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194170Y (en) * | 1994-07-15 | 1995-04-12 | 鞍山钢铁公司 | Electric heating wax pad |
| JP2000330649A (en) * | 1999-05-17 | 2000-11-30 | Sanyo Electric Co Ltd | Temperature controller |
| CN200962671Y (en) * | 2006-11-02 | 2007-10-17 | 于静 | Electrothermal blanket automatic control device |
| CN203502861U (en) * | 2013-10-21 | 2014-03-26 | 成都天宇创新科技有限公司 | Constant temperature control device having low cost used for water treatment |
-
2014
- 2014-11-10 CN CN201410626229.6A patent/CN104298273A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2194170Y (en) * | 1994-07-15 | 1995-04-12 | 鞍山钢铁公司 | Electric heating wax pad |
| JP2000330649A (en) * | 1999-05-17 | 2000-11-30 | Sanyo Electric Co Ltd | Temperature controller |
| CN200962671Y (en) * | 2006-11-02 | 2007-10-17 | 于静 | Electrothermal blanket automatic control device |
| CN203502861U (en) * | 2013-10-21 | 2014-03-26 | 成都天宇创新科技有限公司 | Constant temperature control device having low cost used for water treatment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105931366A (en) * | 2016-04-26 | 2016-09-07 | 上海交通大学 | Living leaf vegetable vending machine and management method |
| CN105931366B (en) * | 2016-04-26 | 2019-01-11 | 上海交通大学 | Living body leaf vegetables automatic vending machine and management method |
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Application publication date: 20150121 |