CN102788475A - Electronic type temperature controller of refrigerator - Google Patents
Electronic type temperature controller of refrigerator Download PDFInfo
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- CN102788475A CN102788475A CN2012102850641A CN201210285064A CN102788475A CN 102788475 A CN102788475 A CN 102788475A CN 2012102850641 A CN2012102850641 A CN 2012102850641A CN 201210285064 A CN201210285064 A CN 201210285064A CN 102788475 A CN102788475 A CN 102788475A
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Abstract
The invention discloses an electronic type temperature controller of a refrigerator. The electronic type temperature controller of the refrigerator consists of a 220V alternating current power supply, a resistance-capacitance voltage-reduction rectification circuit, a 12V direct current voltage stabilizing circuit, an intermittent oscillation circuit, an intermittent time regulating circuit, a level power amplification and control relay circuit, a refrigerator power socket and a working condition indicating circuit. The electronic type temperature controller of the refrigerator is characterized in that the intermittent oscillation circuit consists of a binary serial counting integrated circuit IC1, a capacitor C1 and a resistor R2, wherein the type of the binary serial counting integrated circuit IC1 is HEF4060 or CD4060. According to the electronic type temperature controller of the refrigerator, on the premise that the circuit layout and the internal structure of an original refrigerator are not changed, the temperature control of the refrigerator is realized by using an electronic mode, so that not only can refrigerators of which the respective compressors are not stopped because of various faults be normally used, but also the service lives of the compressors of the refrigerators are prolonged, unnecessary electricity waste is completely eradicated and the goal of safely using electricity is effectively guaranteed.
Description
Technical field
The invention belongs to electronics and temperature control technology field, relate to a kind of refrigerator electron formula temperature controller.
Background technology
All carry temperature controller in the casing of refrigerator; The use in a few years of new refrigerator warp; The refrigerator that has can not shut down (be difficult to be configured to for the moment the suitable temperature controller of specification) because of the temperature controller poor performance causes compressor, and perhaps the compressor for refrigeration inner refrigerant has slight leakage and causes and fault such as do not shut down.Though this type of fault is to using influence not too big, like untimely processing, its harm mainly contains: the one, and the compressor for refrigeration long-term operation is not shut down and is made its fatigue and thorough the damage; The 2nd, compressor is not shut down for a long time can cause unnecessary power wastage; The 3rd, there is disaster hidden-trouble aspect the refrigerator electricity consumption.Because the volume of refrigerator, weight are all bigger,, user's inconvenience moves down on-call maintenance so bringing up to.
In order to solve above-mentioned several respects problem; The present invention is under the prerequisite that does not change original refrigerator circuit layout and internal structure; Solve above-mentioned several respects problem, realized the purpose that these have the fault refrigerator can normally use, prolong compressor for refrigeration service life and effectively ensure safety utilization of electric power.
Below specify refrigerator electron formula temperature controller of the present invention related correlation technique content in implementation process.
Summary of the invention
Goal of the invention and beneficial effect: the refrigerator that has can not shut down (be difficult to be configured to for the moment the suitable temperature controller of specification) because of the temperature controller poor performance causes compressor, and perhaps the compressor for refrigeration inner refrigerant has slight leakage and causes and fault such as do not shut down.Though this type of fault is to using influence not too big, like untimely processing, its harm mainly contains: the one, and the compressor for refrigeration long-term operation is not shut down and is made its fatigue and thorough the damage; The 2nd, compressor is not shut down for a long time can cause unnecessary power wastage; The 3rd, there is disaster hidden-trouble aspect the refrigerator electricity consumption.Because the volume of refrigerator, weight are all bigger,, user's inconvenience moves down on-call maintenance so bringing up to.
The present invention is under the prerequisite that does not change original refrigerator circuit layout and internal structure; The electricity consumption submode has been realized the temperature control of refrigerator; Make and to cause the non-stop-machine refrigerator of compressor because of various faults; These refrigerators can normally be used, and prolonged compressor for refrigeration service life, stopped unnecessary power wastage, effectively ensured the purpose of safety utilization of electric power.
The circuit working principle: the 220V AC power is through decompression capacitor C4, bleeder resistance R6 step-down current limliting; Through silicon rectifier diode D2 halfwave rectifier, obtain the required 12V direct current of voltage regulation of temperature controller circuit working through Zener diode DW voltage stabilizing and electrochemical capacitor C3 filtering again.
The 10th pin of binary system serial counting circuit IC1 in the intermittent oscillation circuit, the fixed resistance that the 11st pin respectively meets 1 110k Ω, the linear potentiometer of 1 2.2M Ω of adjunction between two fixed resistances.The resistance of these several resistance is not strict with, and should confirm according to the debugging situation.The high level of the 1st pin output of binary system serial counting circuit IC1; High level carries out power amplification through resistance R 1 by NPN transistor VT1; Drive DC relay J work at last, the normally opened contact J-1 of DC relay J inserts refrigerator power socket CZ.
The sending and receiving optical diode LED of the 7th pin institute of binary system serial counting circuit IC1 bright or go out conducting or cutoff synchronization with bidirectional triode thyristor SCR are so the duty indicating circuit can be seen the energising or the powering-off state of refrigerator intuitively.
Technical characterictic: refrigerator electron formula temperature controller; It is made up of 220V AC power, resistance-capacitance depressurization rectification circuit, 12V direct current regulation circuit, intermittent oscillation circuit, intermittent time regulating circuit, level power amplification and control relay circuit, refrigerator power socket and duty indicating circuit, and its characteristic comprises:
Resistance-capacitance depressurization rectification circuit: form by decompression capacitor C4, bleeder resistance R6, silicon rectifier diode D2; The termination 220V AC power live wire end L of the end of decompression capacitor C4 and bleeder resistance R6; The other end of the other end of decompression capacitor C4 and bleeder resistance R6 links to each other with the positive pole of silicon rectifier diode D2, and the negative pole of silicon rectifier diode D2 connects the 12V direct current regulation circuit;
12V direct current regulation circuit: form by Zener diode DW, electrochemical capacitor C3; The negative pole of voltage-stabiliser tube diode DW and the positive pole of electrochemical capacitor C3 connect the negative pole of silicon rectifier diode D2, the negative pole connection circuit ground GND of the positive pole of voltage-stabiliser tube diode DW and electrochemical capacitor C3;
Intermittent oscillation circuit: form by binary system serial counting circuit IC1, capacitor C 1, resistance R 2; The model that binary system serial counting circuit IC1 adopts is HEF4060 or CD4060; The 12nd pin of binary system serial counting circuit IC1 connects an end of capacitor C 1 and an end of resistance R 2; The anodal VCC of the 16th pin of binary system serial counting circuit IC1 and the other end connection circuit of capacitor C 1, the 8th pin of binary system serial counting circuit IC1 and the other end connection circuit ground GND of resistance R 2;
Intermittent time regulating circuit: form by binary system serial counting circuit IC1, capacitor C 2, resistance R 3, resistance R 4 and linear potentiometer RP; The 9th pin, the 10th pin, the 11st pin of binary system serial counting circuit IC1 connects an end of capacitor C 2, an end of resistance R 3, an end of resistance R 4 respectively; The end of the other end wiring property potentiometer RP of resistance R 3; The lever arm of the other end wiring property potentiometer RP of capacitor C 2, the other end of the other end wiring property potentiometer RP of resistance R 4;
Level power is amplified and control relay circuit: be made up of NPN transistor VT1, resistance R 1, DC relay J and protection diode D1; The end of the 1st pin connecting resistance R1 of binary system serial counting circuit IC1; The other end of the base stage connecting resistance R1 of NPN transistor VT1; The colelctor electrode of NPN transistor VT1 connects an end of DC relay J coil and the positive pole of protection diode D1; The other end of DC relay J coil links to each other the emitter stage connection circuit ground GND of NPN transistor VT1 with the negative pole of protection diode D1 with circuit anode VCC;
The stationary contact of the normally opened contact J-1 of one termination DC relay J of refrigerator power socket, the movable contact of DC relay J normally opened contact J-1 meets the live wire end L of 220V AC power, the zero line side N of another termination 220V AC power of refrigerator power socket CZ;
220V AC power zero line side N links to each other with circuit ground GND, and the negative pole of silicon rectifier diode D1 links to each other with circuit anode VCC.
Duty indicating circuit: form by LED and dropping resistor R5; The 7th pin of binary system serial counting circuit IC1 connects the end of dropping resistor R5; The positive pole of the other end sending and receiving optical diode LED of dropping resistor R5, the negative pole circuit ground GND of LED.
Description of drawings
The specific embodiment
Specification requirement according to circuit working schematic diagram shown in the accompanying drawing 1 and description of drawings and the following stated is implemented, and can realize the present invention.
Components and parts are selected and technical parameter
IC1 is a binary system serial counting circuit, and the model of employing is HEF4060 or CD4060, and IC1 is dual inline type 16 pin, packing forms DIP;
D1 is the protection diode, and D2 is a silicon rectifier diode, and the model of employing is 1N4007;
DW is a Zener diode, 12V/1W; LED is a red light emitting diodes;
The resistance of resistance R 1 is 6.8k Ω; The resistance of resistance R 2～R4 is 110k Ω; The resistance of dropping resistor R5 is 1.6k Ω; R6 is a bleeder resistance, and its resistance is that 680k Ω, power are 2W;
RP is a linear potentiometer, and its resistance is 2.2M Ω;
The capacity of capacitor C 1 is 0.015 μ F; The capacity of capacitor C 2 is 0.33 μ F; Electrochemical capacitor C3 is a filter capacitor, and capacity is 1000 μ F/25V; C4 is a decompression capacitor, and capacity is 0.68 μ F/630V;
CZ is the refrigerator power socket, and the parameter of supply socket is 10A/250V.
Circuit production main points and circuit debugging
Circuit working schematic diagram shown in the accompanying drawing 1 to specifications; The welding correctness and the welding quality of whole components and parts in the check circuit; It is intact to need only element quality generally speaking, and the circuit welding is errorless, and refrigerator electron formula temperature controller connects the 220V AC power and gets final product operate as normal;
According to the method that connects of components and parts on the circuit theory diagrams in the accompanying drawing 1, and DC relay J use normally opened contact, can effectively stop the power failure suddenly of 220V AC power like this and then restore electricity rapidly again, cause the fault of compressor for refrigeration stall;
Technical parameter according to above-mentioned components and parts; The circuit timing operation of refrigerator electron formula temperature controller is 23 minutes with the total time of regularly shutting down, and just can be regularly to shut down timing operation 18 minutes 5 minutes; Perhaps be adjusted into regularly and shut down timing operation 5 minutes 18 minutes; Also can be according to actual needs, combination in any timing operation and the time of regularly shutting down in total time; Require each compressor for refrigeration weak point downtime must not be less than 5 minutes;
Should suitably regulate the resistance of fine setting linear potentiometer RP according to the variations in temperature of Various Seasonal in use, make the interior maximum temperature of case and the minimum temperature of refrigerator be controlled at 5～10 ℃;
After the debugging of this controller circuitry was good, circuitry can be packed in the cabinet, and refrigerator power socket CZ also can extract installation.
Claims (4)
1. refrigerator electron formula temperature controller; It is made up of 220V AC power, resistance-capacitance depressurization rectification circuit, 12V direct current regulation circuit, intermittent oscillation circuit, intermittent time regulating circuit, level power amplification and control relay circuit, refrigerator power socket and duty indicating circuit, and its characteristic comprises:
Intermittent oscillation circuit is made up of binary system serial counting circuit IC1, capacitor C 1, resistance R 2; The model that binary system serial counting circuit IC1 adopts is HEF4060 or CD4060; The 12nd pin of binary system serial counting circuit IC1 connects an end of capacitor C 1 and an end of resistance R 2; The anodal VCC of the 16th pin of binary system serial counting circuit IC1 and the other end connection circuit of capacitor C 1, the 8th pin of binary system serial counting circuit IC1 and the other end connection circuit ground GND of resistance R 2;
The intermittent time regulating circuit is made up of binary system serial counting circuit IC1, capacitor C 2, resistance R 3, resistance R 4 and linear potentiometer RP; The 9th pin, the 10th pin, the 11st pin of binary system serial counting circuit IC1 connects an end of capacitor C 2, an end of resistance R 3, an end of resistance R 4 respectively; The end of the other end wiring property potentiometer RP of resistance R 3; The lever arm of the other end wiring property potentiometer RP of capacitor C 2, the other end of the other end wiring property potentiometer RP of resistance R 4;
Level power is amplified and control relay circuit is made up of NPN transistor VT1, resistance R 1, DC relay J and protection diode D1; The end of the 1st pin connecting resistance R1 of binary system serial counting circuit IC1; The other end of the base stage connecting resistance R1 of NPN transistor VT1; The colelctor electrode of NPN transistor VT1 connects an end of DC relay J coil and the positive pole of protection diode D1; The other end of DC relay J coil links to each other the emitter stage connection circuit ground GND of NPN transistor VT1 with the negative pole of protection diode D1 with circuit anode VCC;
The stationary contact of one termination DC relay J normally opened contact J-1 of refrigerator power socket, the movable contact of DC relay J normally opened contact J-1 meets the live wire end L of 220V AC power, the zero line side N of another termination 220V AC power of refrigerator power socket CZ;
220V AC power zero line side N links to each other with circuit ground GND, and the negative pole of silicon rectifier diode D1 links to each other with circuit anode VCC.
2. refrigerator electron formula temperature controller according to claim 1; It is characterized in that: the resistance-capacitance depressurization rectification circuit is made up of decompression capacitor C4, bleeder resistance R6, silicon rectifier diode D2; The termination 220V AC power live wire end L of the end of decompression capacitor C4 and bleeder resistance R6; The other end of the other end of decompression capacitor C4 and bleeder resistance R6 links to each other with the positive pole of silicon rectifier diode D2, and the negative pole of silicon rectifier diode D2 connects the 12V direct current regulation circuit.
3. refrigerator electron formula temperature controller according to claim 1; It is characterized in that: the 12V direct current regulation circuit is made up of Zener diode DW, electrochemical capacitor C3; The negative pole of voltage-stabiliser tube diode DW and the positive pole of electrochemical capacitor C3 connect the negative pole of silicon rectifier diode D2, the negative pole connection circuit ground GND of the positive pole of voltage-stabiliser tube diode DW and electrochemical capacitor C3.
4. refrigerator electron formula temperature controller according to claim 1; It is characterized in that: the duty indicating circuit is made up of LED and dropping resistor R5; The 7th pin of binary system serial counting circuit IC1 connects the end of dropping resistor R5; The positive pole of the other end sending and receiving optical diode LED of dropping resistor R5, the negative pole circuit ground GND of LED.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102850641A CN102788475A (en) | 2012-08-12 | 2012-08-12 | Electronic type temperature controller of refrigerator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102850641A CN102788475A (en) | 2012-08-12 | 2012-08-12 | Electronic type temperature controller of refrigerator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633740A (en) * | 2016-03-22 | 2016-06-01 | 周玉林 | Human body induction temperature-adjusting electric iron safety socket |
| CN105703170A (en) * | 2016-04-05 | 2016-06-22 | 王志 | Electric soldering iron power controller capable of sensing whether human body is in place |
| CN105742909A (en) * | 2016-04-05 | 2016-07-06 | 周玉林 | Electric soldering iron power supply socket with electromagnetic induction type human body recognition function |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049030U (en) * | 1988-12-03 | 1989-12-06 | 陈祖栎 | Energy saving protector for refrigerator |
| CN2505755Y (en) * | 2001-09-21 | 2002-08-14 | 尤钦熹 | Air conditioner with self-cleaning function |
| CN2896872Y (en) * | 2005-12-13 | 2007-05-09 | 深圳市兴日生实业有限公司 | Waving device of aquarium |
-
2012
- 2012-08-12 CN CN2012102850641A patent/CN102788475A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2049030U (en) * | 1988-12-03 | 1989-12-06 | 陈祖栎 | Energy saving protector for refrigerator |
| CN2505755Y (en) * | 2001-09-21 | 2002-08-14 | 尤钦熹 | Air conditioner with self-cleaning function |
| CN2896872Y (en) * | 2005-12-13 | 2007-05-09 | 深圳市兴日生实业有限公司 | Waving device of aquarium |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105633740A (en) * | 2016-03-22 | 2016-06-01 | 周玉林 | Human body induction temperature-adjusting electric iron safety socket |
| CN105703170A (en) * | 2016-04-05 | 2016-06-22 | 王志 | Electric soldering iron power controller capable of sensing whether human body is in place |
| CN105742909A (en) * | 2016-04-05 | 2016-07-06 | 周玉林 | Electric soldering iron power supply socket with electromagnetic induction type human body recognition function |
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Application publication date: 20121121 |