CN100468243C - Air-conditioning electric saver and its working method - Google Patents
Air-conditioning electric saver and its working method Download PDFInfo
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- CN100468243C CN100468243C CNB2006100872388A CN200610087238A CN100468243C CN 100468243 C CN100468243 C CN 100468243C CN B2006100872388 A CNB2006100872388 A CN B2006100872388A CN 200610087238 A CN200610087238 A CN 200610087238A CN 100468243 C CN100468243 C CN 100468243C
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Abstract
An electricity economizer of air-conditioner is prepared as using power supply circuit to provide power onto central control unit and control output circuit, connecting output end of central control unit to input end of control output circuit and connecting output end of control output circuit to detection thermo-sensitive resistance RT of air-conditioner indoor temperature to control operation state of air-conditioner for saving electricity.
Description
Technical field
The present invention relates to household appliance technical field, be specifically related to a kind of air-conditioning electric saver and method of work thereof.
Background technology
The room temperature that existing air conditioner is provided with mostly at its indoor air inlet place detects thermistor RT, and (be called for short: thermistor RT), the variation with the place environment temperature of thermistor RT resistance changes.The central controller of air conditioner is controlled the duty of air conditioner according to the change in resistance of thermistor RT.As: when air conditioner is in the refrigeration work pattern, when if room temperature is lower than set temperature value, then the resistance of thermistor RT greater than with the corresponding resistance of described set temperature value, air conditioner is controlled its compressor and is quit work, and just opens its compressor operating during until the room temperature rise and greater than described set temperature value.When air conditioner is in the warm mode of operation of system, when if room temperature is higher than set temperature value, then the resistance of thermistor RT less than with the corresponding resistance of described set temperature value, air conditioner is controlled its system heater device and is quit work, and just opens its system heater device work when room temperature falls after rise and is lower than described set temperature value.
And air-conditioning (is example with single cold air-conditioning) is when design and lectotype selection, normally design according to local maximum temperature/low weather, and leave 15～20% surplus (air conditioner refrigerating/heat surplus, be meant when air-conditioning technical designs, except the standard operation situation is issued to the refrigerating/heating ability, also under other external environment condition, has stronger corresponding effect.For example, if local average minimum and maximum temperature at-20 ℃ and 40 ℃, then the design of air conditioner is done the interval altogether greatly about-30 ℃ to 50 ℃), even in the hottest summer, general air-conditioning also has surplus, i.e. design margin.In addition, need the some months of turning on the aircondition in 1 year, the temperature difference is also very big, turns on the aircondition with August as turning on the aircondition May and compares, and bigger surplus is just arranged May.Separately with regard to one day, temperature also has height, noon with evening required refrigeration also different.Most of operation of air conditioner are considered temperature Change and time difference changing factor in season below 70% load, its economize on electricity space is very big.Especially bigger at Chinese northern area because of the morning and evening temperature difference, so the air-conditioning economize on electricity fully develops talents.
Chinese patent application 200320117582.9 discloses a kind of electricity-saving appliance, and it is in certain hour ratio circulation output high-low level, and the break-make of control compressor current is with economize on electricity.Its weak point is that this electricity-saving appliance is that the break-make of controlling compressor power line (as live wire) is controlled compressor operating, and for domestic consumer, the compressor power line generally is difficult for finding, and often must open rack, is not easy to install, removes or safeguards.In addition, it adopts the high power relay contact to switch, and serviceable life is short, volume is big and cost is high.
Summary of the invention
The purpose of this invention is to provide a kind of duty and realize power savings with miniwatt control circuit control air conditioner, and air-conditioning electric saver easy to install and method of work thereof.
To achieve these goals, the present invention has designed a kind of air-conditioning electric saver, has central control unit, power circuit and controlling output circuit; Power circuit is used for providing power supply to central control unit and controlling output circuit; The control output end of central control unit connects the input end of controlling output circuit; The output terminal of controlling output circuit is used for detecting thermistor RT with the room temperature of air conditioner and links to each other, and economizes on electricity with the duty of control air conditioner.
In the technique scheme, described controlling output circuit comprises relay J 1, current-limiting resistance R8 and triode N1; The end of the control output end serial connection current-limiting resistance R8 of central control unit is the input end of controlling output circuit, the base stage of another termination triode N1 of resistance R 8, the grounded emitter of triode N1, the collector of triode N1 is the control end of the output relay termination J1 of controlling output circuit, and the power end of relay J 1 links to each other with power circuit; Thermistor RT in the air conditioner comprises first end and second end; Second end is disconnected the formation two ends, link to each other with normally closed contact NC with the common COM of relay J 1 respectively.
In the technique scheme, also have the toggle switch of three positions, power circuit comprises transformer T, rectifier bridge B2,12V integrated regulator, 5V integrated regulator and filter capacitor C1, C2 and C3; The primary coil of transformer T links to each other with city's alternating current, the first input end of one termination rectifier bridge B2 of the secondary coil of transformer T, 1 pin of its another termination toggle switch, toggle switch connect second input end of rectifier bridge B2 simultaneously with corresponding 3 pin of its 1 pin and 4 pin; Filter capacitor C1 is parallel to the positive and negative electrode output terminal of rectifier bridge B2, and the cathode output end of rectifier bridge B2 connects the power end of 12V integrated regulator, the 12V integrated regulator+power end of 12V output termination 5V integrated regulator; Filter capacitor C2 is arranged between the cathode output end of 12V integrated regulator+12V output terminal and rectifier bridge B2, filter capacitor C3 is arranged between the cathode output end of 5V integrated regulator+5V output terminal and rectifier bridge B2, the cathode output end of the reference ground connection termination rectifier bridge B2 of 12V integrated regulator and 5V integrated regulator; The power supply termination 12V integrated regulator of relay J 1+the 12V output terminal.
In the technique scheme, the normally opened contact NO of the first relay termination J1 of thermistor RT; Central control unit has the control mode selecting side, connect behind the control mode selecting side series resistor R7 of central control unit the 5V integrated regulator+the 5V output terminal; 2 pin of toggle switch and the common COM of relay J 1 connect the cathode output end of rectifier bridge B2 simultaneously; Toggle switch succeed the control mode selecting side of normally closed contact NC and the central control unit of electrical equipment J1 respectively with corresponding 5 pin of its 2 pin and 6 pin.
In the technique scheme, central control unit has the control mode indication end, and the control mode indication end of central control unit is provided with power indicating circuit, refrigeration control indicating circuit and the warm control of system indicating circuit.
The method of work of above-mentioned air-conditioning electric saver of the present invention is characterized in that comprising:
1., when air conditioner is in the refrigeration work pattern, the toggle switch of artificial selection three positions is in the refrigeration control position, promptly 2 pin of this toggle switch link to each other with 6 pin, 1 pin links to each other with 4 pin, power circuit operate as normal then, and the control mode selecting side of central control unit is in low level; In the air conditioner operate as normal after 30-60 minute, the control output end output positive pulse signal of central control unit, and 1 adhesive of the relay J in the drive controlling output circuit, the common COM of relay J 1 is linked to each other with normally opened contact NO, thereby the B1 end of thermistor RT and C1 end are opened circuit, promptly thermistor RT resistance is infinitely great in air-conditioning, and air conditioner is controlled its compressor and quit work.
2., described positive pulse signal stops after 2 to 8 minutes, relay J 1 discharges, the common COM of relay J 1 is linked to each other with normally closed contact NC, thereby the B1 end of thermistor RT and C1 end are electrically connected, air conditioner is controlled its compressor operating by normal refrigeration work pattern; After 3 to 15 minutes, the control output end of central control unit output positive pulse signal.
3., repeat above-mentioned steps 2., until artificial shutdown.
In the technique scheme, A, when air conditioner is in the warm mode of operation of system, the artificial selection toggle switch is in and heats the control position, promptly 2 pin of this toggle switch link to each other with 5 pin, 1 pin links to each other with 3 pin, power circuit operate as normal then, the control mode selecting side of central control unit is in high level; In operate as normal after 30 to 60 minutes, the control output end output positive pulse signal of central control unit, and 1 adhesive of the relay J in the drive controlling output circuit, the common COM of relay J 1 is linked to each other with normally opened contact NO, thereby make thermistor RT short circuit, promptly thermistor RT resistance is zero in air-conditioning, and air conditioner stops to heat;
B, described positive pulse signal stops after 2 to 8 minutes, and relay J 1 discharges, and air conditioner is by the warm mode of operation work of normal system; After 8 to 15 minutes, the control output end of central control unit output positive pulse signal;
C, repeat above-mentioned steps B, until artificial shutdown or make air-conditioning be in the refrigeration work pattern;
D, stop the control position when toggle switch is in, promptly 1 pin of this toggle switch and 2 pin are all unsettled, and then power circuit quits work; Air-conditioning is in normal refrigeration or the warm mode of operation of system, until artificial shutdown.
In the technique scheme, when the artificial selection toggle switch is in the refrigeration control position, central control unit control power indicating circuit and the work of refrigeration control indicating circuit, the warm control of system indicating circuit quits work; The artificial selection toggle switch is in when heating the control position, central control unit control power indicating circuit and the work of the warm control of system indicating circuit, and refrigeration control indicating circuit quits work; When toggle switch being in when stopping the control position, central control unit is only controlled power indicating circuit work.
Compared with prior art, the present invention has following good effect: (1) air-conditioning electric saver of the present invention is by optimizing the running status of compressor of air conditioner, makes full use of refrigeration (perhaps system warms up) the remaining cold of air-conditioning equipment (perhaps heat) and improves refrigeration (perhaps heat) efficient.With the startup of miniwatt control circuit control air conditioner with stop, temperature control and timing controlled are combined, influence temperature control effect during use hardly, economize on electricity 30% and reach, effect is remarkable; It is simple in structure, volume is little, with low cost, can prolong simultaneously serviceable life of compressor of air conditioner.(2) air-conditioning electric saver of the present invention is installed and used simply; Air-conditioning for single refrigeration, when mounted as long as the end of room temperature detection thermistor RT in the air conditioner is cut off, (as to be respectively yellow extension line B and black extension line C with 2 extension lines of electricity-saving appliance of the present invention respectively, described 2 extension lines link to each other with normally closed contact NC with the common COM of relay J 1 respectively) link to each other, branch out of order during installation, easy for installation; Air-conditioning for the two systems of changes in temperature, the same when mounted end with thermistor RT disconnects, to link to each other with 2 extension lines (described yellow extension line B and black extension line C) of electricity-saving appliance of the present invention respectively, linking to each other gets final product with the other end of thermistor RT and the 3rd extension line of electricity-saving appliance of the present invention (as red extension line A, and link to each other with the normally opened contact NO of relay J 1) simultaneously.(3) among the present invention, toggle switch comprises that system warm up-stops-freeze three control positions, be used for manual control air-conditioning electric saver of the present invention be in three different, with the refrigeration of air-conditioning, make and warm up or the corresponding control position of the state that quits work.(4) the present invention is example with the refrigeration, and its economize on electricity mainly shows the following aspects: at first, save the lower limit temperature electric energy.By the running status of compressor as can be known; compressor operating is near lower limit temperature the time; complete machine temperature raises; electric current increases, and the energy of consumption increases, and cryogenic temperature no longer descends or descend seldom; at this moment the output signal of electricity-saving appliance is controlled its shutdown; saved this part energy, simultaneously, compressor assembly has all been cooled off.Secondly, make full use of residue cold air.After compressor shuts down, remain cold air in the system in addition, at this moment, indoor fan is being worked always, thus the still cold air of producing by boasting, when residue cold air uses up in the system, the output signal of electricity-saving appliance is to the work of control compressor start, and so circulation just reaches the effect of economize on electricity.Once more, the compressor operating load can be alleviated, the life-span of compressor can be prolonged.
Description of drawings
For the easier quilt of content of the present invention is clearly understood, below the specific embodiment and in conjunction with the accompanying drawings of basis, the present invention is further detailed explanation, wherein
Fig. 1 is the embodiment of the invention 1 air-conditioning electric saver circuit theory diagrams;
Fig. 2 is the embodiment of the invention 2 air-conditioning electric saver circuit theory diagrams;
Fig. 3 is the embodiment of the invention 3 air-conditioning electric saver circuit theory diagrams;
Embodiment
As Fig. 1, air-conditioning electric saver of the present invention has central control unit 1 (model is the single-chip microcomputer IC1 of HT48R05A-1), power circuit 2, controlling output circuit 3 and toggle switch 4.
Controlling output circuit 3 comprises relay J 1, current-limiting resistance R8 and triode N1; The end of the control output end of central control unit 1 (being the PA7 end of single-chip microcomputer IC1) serial connection current-limiting resistance R8 is the input end of controlling output circuit 3, the base stage of another termination triode N1 of resistance R 8, the grounded emitter of triode N1, the collector of triode N1 is the control end of the output relay termination J1 of controlling output circuit 3, and the power end of relay J 1 links to each other with power circuit 2.In the relay J 1, be provided with diode D1 between its power end and control end.
Thermistor RT in the air conditioner comprises the first end A1 and second end; Second end is disconnected formation two ends B1 end and C1 end, link to each other with normally closed contact NC with the common COM of relay J 1 with black extension line C through yellow extension line B respectively.
Connect 5V integrated regulator+5V output terminal behind the series resistor R7 of the control mode selecting side of central control unit 1 (being the PA4 end of single-chip microcomputer IC1); 2 pin of toggle switch 4 and the common COM of relay J 1 connect the cathode output end of rectifier bridge B2 simultaneously; Toggle switch 4 succeed the control mode selecting side of normally closed contact NC and the central control unit 1 of electrical equipment J1 respectively with corresponding 5 pin of its 2 pin and 6 pin.
For answering the two system of changes in temperature air-conditioning, the first end A1 of thermistor RT must be succeeded the normally opened contact NO of electrical equipment J1 through red extension line A.
Control mode indication end PB0, the PB1 of central control unit 1 and PB2 end is connected in series sending and receiving optical diode behind the current-limiting resistance respectively, and promptly power indicating circuit 5, refrigeration control indicating circuit 6 and the warm control of system indicating circuit 7 form by current-limiting resistance and light emitting diode serial connection.
For single-cooling air-conditioner, the method for work of above-mentioned air-conditioning electric saver comprises:
1., when air conditioner is in the refrigeration work pattern, artificial selection toggle switch 4 is in the refrigeration control position, 2 pin that are toggle switch 4 link to each other with 6 pin, 1 pin links to each other with 4 pin, power circuit 2 operate as normal then, and the control mode selecting side of central control unit 1 is in low level; After air conditioner operate as normal 50 minutes (can be 30 or 60 minutes among other embodiment), the control output end output positive pulse signal of central control unit 1, and 1 adhesive of the relay J in the drive controlling output circuit 3, the common COM of relay J 1 is linked to each other with normally opened contact NO, thereby the B1 end of thermistor RT and C1 end are opened circuit, promptly thermistor RT resistance is infinitely great in air-conditioning, and air conditioner is controlled its compressor and quit work;
2., the described positive pulse signal in 5 minutes (can be 2 or 8 minutes among other embodiment) back stops, relay J 1 discharges, the common COM of relay J 1 is linked to each other with normally closed contact NC, thereby the B1 end of thermistor RT and C1 end are electrically connected, and air conditioner is controlled its compressor operating by normal refrigeration work pattern; After 3 to 15 minutes, the control output end of central control unit 1 output positive pulse signal;
3., repeat above-mentioned steps 2., until artificial shutdown.
For the two system of changes in temperature air conditioner, the method for work of above-mentioned air-conditioning electric saver also comprises:
A, when air conditioner is in the warm mode of operation of system, artificial selection toggle switch 4 is in and heats the control position, 2 pin that are toggle switch 4 link to each other with 5 pin, 1 pin links to each other with 3 pin, power circuit 2 operate as normal then, and the control mode selecting side of central control unit 1 is in high level; After operate as normal 55 minutes (can be 30 or 60 minutes among other embodiment), the control output end output positive pulse signal of central control unit 1, and 1 adhesive of the relay J in the drive controlling output circuit 3, the common COM of relay J 1 is linked to each other with normally opened contact NO, thereby make thermistor RT short circuit, promptly thermistor RT resistance is zero in air-conditioning, and air conditioner stops to heat;
B, the described positive pulse signal in 3 minutes (can be 2 or 8 minutes among other embodiment) back stop, and relay J 1 discharges, and air conditioner is by the warm mode of operation work of normal system; After 10 minutes (they can be 8 or 15 minutes among other embodiment), the control output end of central control unit 1 output positive pulse signal;
C, repeat above-mentioned steps B, until artificial shutdown or make air-conditioning be in the refrigeration work pattern;
D, stop the control position when toggle switch 4 is in, promptly 1 pin of toggle switch 4 and 2 pin are all unsettled, and then power circuit 2 quits work; Air-conditioning is in normal refrigeration or the warm mode of operation of system, until artificial shutdown.
Wherein when artificial selection toggle switch 4 was in the refrigeration control position, central control unit 1 control power indicating circuit 5 and refrigeration were controlled indicating circuit 6 work, and the warm control of system indicating circuit 7 quits work; Artificial selection toggle switch 4 is in when heating the control position, central control unit 1 control power indicating circuit 5 and 7 work of the warm control of system indicating circuit, and refrigeration control indicating circuit 6 quits work; When toggle switch 4 being in when stopping the control position, central control unit 1 is only controlled power indicating circuit 5 work.
Embodiment 2:
On the basis of embodiment 1, present embodiment has following distortion: as Fig. 2, establish a resistance R 3 between the common COM of relay J 1 and described black extension line C., its span is: 20K Ω～300K Ω.In the present embodiment, resistance R 3 is 100 Ω.
Embodiment 3:
On the basis of embodiment 2, present embodiment has following distortion: as Fig. 3, and series connection one resistance R 2 between the normally opened contact NO of the first end A1 of thermistor RT and relay J 1, its span is: 0.1 Ω～200K Ω; In the present embodiment, resistance R 2 is 10 Ω.
Claims (4)
1, a kind of air-conditioning electric saver has central control unit (1), power circuit (2) and controlling output circuit (3); Power circuit (2) is used for providing power supply to central control unit (1) and controlling output circuit (3); The control output end of central control unit (1) connects the input end of controlling output circuit (3); It is characterized in that: the output terminal of controlling output circuit (3) is used for detecting thermistor RT with the room temperature of air conditioner and links to each other, and economizes on electricity with the duty of control air conditioner;
Described controlling output circuit (3) comprises relay J 1, current-limiting resistance R8 and triode N1; The end of the control output end serial connection current-limiting resistance R8 of central control unit (1) is the input end of controlling output circuit (3), the base stage of another termination triode N1 of resistance R 8, the grounded emitter of triode N1, the collector of triode N1 is the control end of the output relay termination J1 of controlling output circuit (3), and the power end of relay J 1 links to each other with power circuit (2); Thermistor RT in the air conditioner comprises first end (A1) and second end; Second end is disconnected formation two ends (B1 and C1), link to each other with normally closed contact NC with the common COM of relay J 1 respectively;
The toggle switch (4) that also has three positions; Power circuit (2) comprises transformer T, rectifier bridge B2,12V integrated regulator, 5V integrated regulator and filter capacitor C1, C2 and C3; The primary coil of transformer T links to each other with city's alternating current, the first input end of one termination rectifier bridge B2 of the secondary coil of transformer T, 1 pin of its another termination toggle switch (4), toggle switch (4) connect second input end of rectifier bridge B2 simultaneously with corresponding 3 pin of its 1 pin and 4 pin; Filter capacitor C1 is parallel to the positive and negative electrode output terminal of rectifier bridge B2, and the cathode output end of rectifier bridge B2 connects the power end of 12V integrated regulator, the 12V integrated regulator+power end of 12V output termination 5V integrated regulator; Filter capacitor C2 is arranged between the cathode output end of 12V integrated regulator+12V output terminal and rectifier bridge B2, filter capacitor C3 is arranged between the cathode output end of 5V integrated regulator+5V output terminal and rectifier bridge B2, the cathode output end of the reference ground connection termination rectifier bridge B2 of 12V integrated regulator and 5V integrated regulator; The power supply termination 12V integrated regulator of relay J 1+the 12V output terminal;
First end (A1) of thermistor RT is succeeded the normally opened contact NO of electrical equipment J1; Central control unit (1) has the control mode selecting side, connect behind the control mode selecting side series resistor R7 of central control unit (1) the 5V integrated regulator+the 5V output terminal; 2 pin of toggle switch (4) and the common COM of relay J 1 connect the cathode output end of rectifier bridge B2 simultaneously; Toggle switch (4) succeed the control mode selecting side of normally closed contact NC and the central control unit (1) of electrical equipment J1 respectively with corresponding 5 pin of its 2 pin and 6 pin.
2, air-conditioning electric saver according to claim 1, it is characterized in that: central control unit (1) has the control mode indication end, and the control mode indication end of central control unit (1) is provided with power indicating circuit (5), refrigeration control indicating circuit (6) and the warm control of system indicating circuit (7).
3, a kind of method of work according to claim 1 or 2 described air-conditioning electric savers is characterized in that comprising:
1., when air conditioner is in the refrigeration work pattern, the toggle switch (4) of artificial selection three positions is in the refrigeration control position, 2 pin that are toggle switch (4) link to each other with 6 pin, 1 pin links to each other with 4 pin, power circuit (2) operate as normal then, the control mode selecting side of central control unit (1) is in low level; In the air conditioner operate as normal after 30-60 minute, the control output end output positive pulse signal of central control unit (1), and relay J 1 adhesive in the drive controlling output circuit (3), the common COM of relay J 1 is linked to each other with normally opened contact NO, thereby the B1 end of thermistor RT and C1 end are opened circuit, promptly thermistor RT resistance is infinitely great in air-conditioning, and air conditioner is controlled its compressor and quit work;
2., described positive pulse signal stops after 2 to 8 minutes, relay J 1 discharges, the common COM of relay J 1 is linked to each other with normally closed contact NC, thereby the B1 end of thermistor RT and C1 end are electrically connected, air conditioner is controlled its compressor operating by normal refrigeration work pattern; After 3 to 15 minutes, the control output end of central control unit (1) output positive pulse signal;
3., repeat above-mentioned steps 2., until artificial shutdown.
4, the method for work of air-conditioning electric saver according to claim 3 is characterized in that:
A, when air conditioner is in the warm mode of operation of system, artificial selection toggle switch (4) is in and heats the control position, 2 pin that are toggle switch (4) link to each other with 5 pin, 1 pin links to each other with 3 pin, power circuit (2) operate as normal then, and the control mode selecting side of central control unit (1) is in high level; In operate as normal after 30 to 60 minutes, the control output end output positive pulse signal of central control unit (1), and relay J 1 adhesive in the drive controlling output circuit (3), the common COM of relay J 1 is linked to each other with normally opened contact NO, thereby make thermistor RT short circuit, promptly thermistor RT resistance is zero in air-conditioning, and air conditioner stops to heat;
B, described positive pulse signal stops after 2 to 8 minutes, and relay J 1 discharges, and air conditioner is by the warm mode of operation work of normal system; After 8 to 15 minutes, the control output end of central control unit (1) output positive pulse signal;
C, repeat above-mentioned steps B, until artificial shutdown or make air-conditioning be in the refrigeration work pattern;
D, stop the control position when toggle switch (4) is in, promptly toggle switch (4) 1 pin and 2 pin are all unsettled, and then power circuit (2) quits work; Air-conditioning is in normal refrigeration or the warm mode of operation of system, until artificial shutdown.
5, the method for work of air-conditioning electric saver according to claim 4, it is characterized in that: when artificial selection toggle switch (4) is in the refrigeration control position, central control unit (1) control power indicating circuit (5) and refrigeration control indicating circuit (6) work, system warm control indicating circuit (7) quits work; Artificial selection toggle switch (4) is in when heating the control position, central control unit (1) control power indicating circuit (5) and system warm control indicating circuit (7) work, and refrigeration control indicating circuit (6) quits work; When toggle switch (4) being in when stopping the control position, central control unit (1) is only controlled power indicating circuit (5) work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100872388A CN100468243C (en) | 2006-06-14 | 2006-06-14 | Air-conditioning electric saver and its working method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100872388A CN100468243C (en) | 2006-06-14 | 2006-06-14 | Air-conditioning electric saver and its working method |
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| CN101089757A CN101089757A (en) | 2007-12-19 |
| CN100468243C true CN100468243C (en) | 2009-03-11 |
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| CN105863991A (en) * | 2016-06-12 | 2016-08-17 | 东莞瑞柯电子科技股份有限公司 | Inflation pump and method and device for controlling inflation pump |
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