CN103973141A - Full-direct-current variable frequency air conditioner supplied with electricity by using switching power supply circuit - Google Patents
Full-direct-current variable frequency air conditioner supplied with electricity by using switching power supply circuit Download PDFInfo
- Publication number
- CN103973141A CN103973141A CN201410239940.6A CN201410239940A CN103973141A CN 103973141 A CN103973141 A CN 103973141A CN 201410239940 A CN201410239940 A CN 201410239940A CN 103973141 A CN103973141 A CN 103973141A
- Authority
- CN
- China
- Prior art keywords
- circuit
- voltage
- power
- output
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005611 electricity Effects 0.000 title abstract 3
- 238000002955 isolation Methods 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims description 56
- 230000001131 transforming effect Effects 0.000 claims description 46
- 230000010354 integration Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000033228 biological regulation Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 description 9
- 230000009466 transformation Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Rectifiers (AREA)
- Inverter Devices (AREA)
Abstract
The invention provides a full-direct-current variable frequency air conditioner supplied with electricity by using a switching power supply circuit. The full-direct-current variable frequency air conditioner is characterized in that a switch isolation transformer circuit transforms direct current transformed by an alternating current/direct current rectifier circuit into work voltage required by internal elements of the full-direct-current variable frequency air conditioner according to control of a switch control regulator; the work voltage transformed by the switch isolation transformer circuit is rectified and filtered through an output filter circuit and then output to the internal elements of the full-direct-current variable frequency air conditioner for supplying electricity, so that the stability of power supply is ensured; the switch control regulator controls the switch isolation transformer circuit to provide different voltage values, so that normal operation of the internal elements of the full-direct-current variable frequency air conditioner is ensured; the rectifier filter circuit rectifies and filters the direct current transformed by the alternating current/direct current rectifier circuit, and outputs the rectified and filtered direct current for working of the switch controller regulator, so that stable operation of the switch control regulator is ensured.
Description
Technical field
The present invention relates to field of air conditioning, relate in particular to a kind of full DC frequency converting air-conditioner of application switch power circuit power supply.
Background technology
Along with the enhancing of people's awareness of saving energy, application DC frequency converting air-conditioner has progressively been come into huge numbers of families, and DC frequency converting air-conditioner is more and more subject to liking of consumer because of features such as good energy saving, accurate temperature controlling, ultralow temperature start, heat fast.
In current technical applications, the design of transformer scheme that full DC frequency-changing floor standing air-conditioner adopts, not only, for automatically controlled load operation demand restriction, also install and bring certain space requirement for structure simultaneously, and in the time of stand-by power consumption, can not meet low energy consumption standby requirement.
This design also impacts multi-channel output direct stream voltage.Can ensure DC voltage stability output if only export a road direct voltage transformer.But during for needs output multi-channel direct voltage, cannot ensure that each road direct voltage all can stablize output.
Summary of the invention
Based on above-mentioned technical problem, the invention provides a kind of full DC frequency converting air-conditioner of application switch power circuit power supply, comprising: alternating current-direct current rectification circuit, switch isolation transforming circuit, current rectifying and wave filtering circuit, switch control adjuster and output filter circuit;
Described alternating current-direct current rectification circuit is provided with bridge rectifier, and for converting alternating current to direct current;
Described switch control adjuster is used for controlling described switch isolation transforming circuit and exports different magnitudes of voltage, to supply with the operating voltage of full DC frequency converting air-conditioner inner member;
Described switch isolation transforming circuit, for according to the control of described switch control adjuster, is helped the direct current conversion of described alternating current-direct current rectification circuit conversion the operating voltage of the inner member needs of DC frequency converting air-conditioner;
The operating voltage rectifying and wave-filtering of described output filter circuit for described switch isolation transforming circuit is converted, and the inner member power supply of the operating voltage after rectifying and wave-filtering being exported to full DC frequency converting air-conditioner;
The operating voltage rectifying and wave-filtering of described current rectifying and wave filtering circuit for described switch isolation transforming circuit is converted, and the operating voltage output after rectifying and wave-filtering is worked for described switch control adjuster.
Preferably, described switch isolation transforming circuit is provided with the 6th Voltage-output pin and the 7th Voltage-output pin for exporting 5V power supply;
Described output filter circuit is provided with for the 5V power output circuit to the inner member of full DC frequency converting air-conditioner by 5V power delivery;
Described 5V power output circuit comprises: 5V rectification circuit and 5V filter circuit;
Described 5V filter circuit comprises: the first electrodeless electric capacity, first has electrode capacitance, the first inductance, second to have electrode capacitance and the second electrodeless electric capacity;
The first end of described the first electrodeless electric capacity and described first has the first end of electrode capacitance to be electrically connected with described the first inductance first end, and described second has electrode capacitance first end and described the second electrodeless electric capacity first end to be electrically connected with described the first inductance first end; Described first electrodeless electric capacity the second end, described first has electrode capacitance the second end, second to have electrode capacitance the second end and second electrodeless electric capacity the second end ground connection;
Described 5V rectification circuit comprises: the first diode;
Described the 7th Voltage-output pin is electrically connected with described the first diode anode, and described the first diode cathode is electrically connected with described 5V filter circuit and for making direct current through described the first diode rectification;
Described the 6th Voltage-output pin ground connection, and described the 7th Voltage-output pin forms 5V power output end with described the 6th Voltage-output pin after by the rectification of described 5V rectification circuit and the filtering of described 5V filter circuit.
Preferably, described 5V power output circuit also comprises for playing voltage regulation of voltage regulation effect at 5V output, and is electrically connected with described switch control adjuster, makes whole 5V power output circuit form the feedback loop of a closed-loop path;
Described feedback loop comprises: the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 3rd electrodeless electric capacity, four end photoelectrical couplers, the first integration module;
Described four end photoelectrical coupler the 3rd ends and the 4th end are electrically connected with described switch control adjuster, and described four end photoelectrical coupler first ends are electrically connected with described 5V output by described the first resistance; Described four end photoelectrical coupler the second ends by described the second resistance and the electrical connection of described 5V output and also with being electrically connected in series of described the 3rd resistance and described the 3rd electrodeless electric capacity, be also electrically connected with described the first integration module first end;
Described 5V output is by the 4th resistance and the 5th grounding through resistance;
Described second integration module the second end ground connection.
Preferably, described switching power circuit also comprises: EMI filter circuit;
Described EMI filter circuit is electrically connected with external 220V AC power and described alternating current-direct current rectification circuit respectively, and for external 220V AC power is carried out to filtering processing;
Described EMI filter circuit comprises that the 4th electrodeless electric capacity, the second inductance, the 5th electrodeless electric capacity, first row hold and second row holds;
Described the 4th electrodeless electric capacity, described the second inductance and described the 5th electrodeless electric capacity are electrically connected with zero line with external 220V AC power live wire respectively;
Described first row holds and described second row holds series connection, and the first end that described first row holds is electrically connected with external 220V AC power live wire; The first end that described second row holds is electrically connected with external 220V AC power zero line; The second end ground connection that described first row holds and described second row holds.
Preferably, described switching power circuit also comprises: protective tube and piezo-resistance;
When described protective tube and described piezo-resistance occur short circuit for external 220V AC power over-voltage and over-current or described switching power circuit inside, deenergization loop, plays the effect of protective circuit element.
Preferably, described switch isolation transforming circuit is also provided with the 9th Voltage-output pin and the tenth Voltage-output pin for exporting 15V power supply;
Described output filter circuit is provided with for the 15V power output circuit to the inner member of full DC frequency converting air-conditioner by 15V power delivery;
Described 15V power output circuit comprises: for the 15V filter circuit that direct current is carried out the 15V rectification circuit of rectification and direct current carried out to filtering;
Described 15V filter circuit comprises that the 6th electrodeless electric capacity, the 3rd has electrode capacitance, the 3rd inductance and the 6th resistance;
The first end, the described the 3rd of described the 6th electrodeless electric capacity has the first end of electrode capacitance and the first end of described the 6th resistance to be electrically connected with described the tenth Voltage-output pin by described the 3rd inductance respectively;
Second end, the described the 3rd of described the 6th electrodeless electric capacity have the second end of electrode capacitance and the second end of described the 6th resistance respectively with the 9th Voltage-output pin common ground;
Described 15V rectification circuit comprises the second diode;
Described the tenth Voltage-output pin is electrically connected with described the second diode anode, and described the second diode cathode is electrically connected with described 15V filter circuit and for making direct current through described the second diode rectification;
Described the 9th Voltage-output pin ground connection, and described the tenth Voltage-output pin forms 15V power output end with described the tenth Voltage-output pin after by the rectification of described 15V rectification circuit and the filtering of described 15V filter circuit.
Preferably, described switch isolation transforming circuit is also provided with the 6th Voltage-output pin and the 8th Voltage-output pin for exporting 12V power supply;
Described output filter circuit is provided with for the 12V power output circuit to the inner member of full DC frequency converting air-conditioner by 12V power delivery;
Described 12V power output circuit comprises: for the 12V filter circuit that direct current is carried out the 12V rectification circuit of rectification and direct current carried out to filtering;
Described 12V filter circuit comprises that the 7th electrodeless electric capacity, the 4th has electrode capacitance and the 5th to have electrode capacitance;
The first end, the described the 4th of described the 7th electrodeless electric capacity has the first end and the described the 5th of electrode capacitance to have the first end of electrode capacitance to be electrically connected with described the 8th Voltage-output pin respectively;
Second end, the described the 4th of described the 7th electrodeless electric capacity have the second end that second end and the described the 5th of electrode capacitance has an electrode capacitance respectively with ground connection;
Described 12V rectification circuit comprises the 3rd diode;
Described the 8th Voltage-output pin is electrically connected with described the 3rd diode anode, and described the 3rd diode cathode is electrically connected with described 12V filter circuit and for making direct current through described the 3rd diode rectification;
Described the 6th Voltage-output pin ground connection, and described the 8th Voltage-output pin forms 12V power output end with described the 6th Voltage-output pin after by the rectification of described 12V rectification circuit and the filtering of described 12V filter circuit.
Preferably, described switch control adjuster inside is provided with switching tube;
Described switching power circuit is also provided with auxiliary power circuit;
Described switching tube is for opening and turn-off described switch control adjuster, and when described auxiliary power circuit is after described switching tube input starting resistor, described switching tube closure, starts described switch control adjuster.
Preferably, described current rectifying and wave filtering circuit comprises that the 4th diode, the 6th has electrode capacitance and the 7th resistance;
Described switch isolation transforming circuit is also provided with the 4th Voltage-output pin and the 5th Voltage-output pin;
The described the 6th has electrode capacitance first end to be electrically connected with described the 4th Voltage-output pin; Described the 4th diode anode end is electrically connected with described the 5th Voltage-output pin; The described the 6th has electrode capacitance the second end and described the 4th diode cathode end to be jointly electrically connected with described switch control adjuster by described the 7th resistance, for the operating voltage rectifying and wave-filtering that described switch isolation transforming circuit is converted, and the operating voltage output after rectifying and wave-filtering is worked for described switch control adjuster.
Preferably, the inner member of full DC frequency converting air-conditioner comprises: direct current machine, relay, chipset display screen.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In the present invention, switch isolation transforming circuit, according to the control of switch control adjuster, is helped the direct current conversion of alternating current-direct current rectification circuit conversion the operating voltage of the inner member needs of DC frequency converting air-conditioner; The inner member power supply of full DC frequency converting air-conditioner will be exported to through output filter circuit after the operating voltage rectifying and wave-filtering of switch isolation transforming circuit conversion, ensure the stability of power supply, and switch control adjuster control switch isolation transforming circuit can provide different magnitudes of voltage, ensure that the inner member of full DC frequency converting air-conditioner normally moves.The direct current rectifying and wave-filtering that current rectifying and wave filtering circuit is changed described alternating current-direct current rectification circuit, and the direct current output after rectifying and wave-filtering is worked for described switch control adjuster, the stable operation of switch control adjuster ensured.Air conditioner electric control Design of Transformer scheme transfers Switching Power Supply scheme to, reduces electrical appliance kit space, and components and parts adopt patch design, are beneficial to integrated circuit layout, and meet the different voltage requirements of inner member of full DC frequency converting air-conditioner.Because Switching Power Supply is low in energy consumption, air-conditioning provides awaiting electric energy by Switching Power Supply under holding state, can be effectively the automatically controlled reduction power consumption of complete machine.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the overall schematic of the full DC frequency converting air-conditioner of application switch power circuit power supply of the present invention;
Fig. 2 is the circuit diagram of the full DC frequency converting air-conditioner embodiment of application switch power circuit power supply of the present invention;
Fig. 3 is the power filter rectification circuit schematic diagram of the full DC frequency converting air-conditioner embodiment of application switch power circuit power supply of the present invention.
Description of reference numerals: 11, alternating current-direct current rectification circuit; 13, switch isolation transforming circuit; 15 current rectifying and wave filtering circuits; 12, switch control adjuster; 14 output filter circuits; 21,5V power output circuit; 22,15V power output circuit; 23,12V power output circuit; 24, feedback circuit; 25, EMI filter circuit; 26 rectifier circuits; 31, protective tube; 32, piezo-resistance;
The first electrodeless electric capacity C1, first has electrode capacitance E1, the first inductance L 1, second has electrode capacitance E2, the second electrodeless electric capacity C2, the first diode D1, the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 3rd electrodeless electric capacity C3, four end photoelectrical coupler IC1, the first integration module IC2, the 4th electrodeless electric capacity C4, the second inductance L 2, the 5th electrodeless electric capacity C5, first row holds PC1, second row holds PC2, the 6th electrodeless electric capacity C6, the 3rd has electrode capacitance E3, the 3rd inductance L 3, the 6th resistance R 6, the second diode D2, the 7th electrodeless electric capacity C7, the 4th has electrode capacitance E4, the 5th has electrode capacitance E5, the 3rd diode D3, the 4th diode D4, the 6th has electrode capacitance E6, the 7th resistance R 7.
Embodiment
For making goal of the invention of the present invention, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, the embodiments described below are only the present invention's part embodiment, but not whole embodiment.Based on the embodiment in this patent, those of ordinary skill in the art are not making all other embodiment that obtain under creative work prerequisite, all belong to the scope of this patent protection.
The invention provides a kind of full DC frequency converting air-conditioner of application switch power circuit power supply, refer to shown in Fig. 1 wherein, switching power circuit comprises: alternating current-direct current rectification circuit 11, switch isolation transforming circuit 13, current rectifying and wave filtering circuit 15, switch control adjuster 12 and output filter circuit 14; Described alternating current-direct current rectification circuit 11 is provided with bridge rectifier, and for converting alternating current to direct current;
Described switch control adjuster 12 is exported different magnitudes of voltage for controlling described switch isolation transforming circuit 13, to supply with the operating voltage of full DC frequency converting air-conditioner inner member;
Described switch isolation transforming circuit 13 is for according to the control of described switch control adjuster 12, and the operating voltage that the inner member of DC frequency converting air-conditioner needs is helped in the direct current conversion that described alternating current-direct current rectification circuit 11 is changed;
The operating voltage rectifying and wave-filtering of described output filter circuit 14 for described switch isolation transforming circuit 13 is converted, and the inner member power supply of the operating voltage after rectifying and wave-filtering being exported to full DC frequency converting air-conditioner;
The operating voltage rectifying and wave-filtering of described current rectifying and wave filtering circuit 15 for described switch isolation transforming circuit 13 is converted, and the operating voltage output after rectifying and wave-filtering is worked for described switch control adjuster 12.
Hence one can see that, and switch isolation transforming circuit 13 is according to the control of switch control adjuster 12, and the operating voltage of the inner member needs of DC frequency converting air-conditioner is helped in the direct current that alternating current-direct current rectification circuit 11 is changed conversion; After operating voltage rectifying and wave-filtering switch isolation transforming circuit 13 being converted through output filter circuit 14, export to the inner member power supply of full DC frequency converting air-conditioner, ensure the stability of power supply, and switch control adjuster 12 control switchs isolation transforming circuits 13 can provide different magnitudes of voltage, ensure that the inner member of full DC frequency converting air-conditioner normally moves.The operating voltage rectifying and wave-filtering that current rectifying and wave filtering circuit 15 converts described switch isolation transforming circuit 13, and the operating voltage output after rectifying and wave-filtering is worked for described switch control adjuster 12.Ensure the stable operation of switch control adjuster.Like this, air conditioner electric control Design of Transformer scheme transfers Switching Power Supply scheme to, reduces electrical appliance kit space, and components and parts adopt patch design, are beneficial to integrated circuit layout, and meet the different voltage requirements of inner member of full DC frequency converting air-conditioner.Because Switching Power Supply is low in energy consumption, air-conditioning provides awaiting electric energy by Switching Power Supply under holding state, can be effectively the automatically controlled reduction power consumption of complete machine.
Below in conjunction with accompanying drawing 2, accompanying drawing 3 and specific embodiment, the specific embodiment of the present invention is further described.Following examples are used for illustrating the present invention, do not limit protection scope of the present invention.
In the present embodiment, described switch isolation transforming circuit 13 is provided with the 6th Voltage-output pin and the 7th Voltage-output pin for exporting 5V power supply;
Described output filter circuit 14 is provided with for the 5V power output circuit 21 to the inner member of full DC frequency converting air-conditioner by 5V power delivery;
Described 5V power output circuit 21 comprises: 5V rectification circuit and 5V filter circuit;
Described 5V filter circuit comprises: the first electrodeless electric capacity C1, first has electrode capacitance E1, the first inductance L 1, second to have electrode capacitance E2 and the second electrodeless electric capacity C2;
The first end of described the first electrodeless electric capacity C1 and described first has the first end of electrode capacitance E1 to be electrically connected with described the first inductance L 1 first end, and described second has electrode capacitance E2 first end and described the second electrodeless electric capacity C2 first end to be electrically connected with described the first inductance L 1 first end; Described first electrodeless electric capacity C1 the second end, described first has electrode capacitance E1 the second end, second to have electrode capacitance E2 the second end and second electrodeless electric capacity C2 the second end common ground;
Described 5V rectification circuit comprises: the first diode D1;
Described the 7th Voltage-output pin is electrically connected with described the first diode D1 anode, and described the first diode D1 negative electrode is electrically connected with described 5V filter circuit and for making direct current through described the first diode D1 rectification;
Described the 6th Voltage-output pin ground connection, and described the 7th Voltage-output pin forms 5V power output end with described the 6th Voltage-output pin after by the rectification of described 5V rectification circuit and the filtering of described 5V filter circuit.
Hence one can see that, and switch isolation transforming circuit 13, according to the control of switch control adjuster 12, by the 6th Voltage-output pin and the 7th Voltage-output pin output 5v power supply, is supplied with the inner member needs of full DC frequency converting air-conditioner after transformation.Before outputing to the inner member of full DC frequency converting air-conditioner, direct current, through 5V rectification circuit and 5V filter circuit, makes 5V direct current smoothly stable, has ensured the stability of voltage, reduces fluctuation, and the inner member of full DC frequency converting air-conditioner can normally be worked.
In the present embodiment, described 5V power output circuit 21 also comprises for playing voltage regulation of voltage regulation effect at 5V output, and is electrically connected with described switch control adjuster 12, makes whole 5V power output circuit 21 form the feedback loop 24 of a closed-loop path;
Described feedback loop 24 comprises: the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 3rd electrodeless electric capacity C3, four end photoelectrical coupler IC1, the first integration module IC2;
Described four end photoelectrical coupler IC1 the 3rd ends and the 4th end are electrically connected with described switch control adjuster 12, and described four end photoelectrical coupler IC1 first ends are electrically connected with described 5V output by described the first resistance R 1; Described four end photoelectrical coupler IC1 the second ends by described the second resistance R 2 and the electrical connection of described 5V output and also with being electrically connected in series of described the 3rd resistance R 3 and described the 3rd electrodeless electric capacity C3, be also electrically connected with described the first integration module IC2 first end;
Described 5V output is by the 4th resistance R 4 and the 5th resistance R 5 ground connection; Described second integration module IC2 the second end ground connection.
Hence one can see that, 5V power output end arranges feedback circuit 24,5V power supply output state is fed back to switch control adjuster 12 by feedback circuit 24, switch control adjuster 12 is monitored 5V power supply output state, in the time that the output of 5V power supply occurs that fluctuation or the output of 5V power supply exceed prescribed limit, switch control adjuster 12 is isolated transforming circuit 13 by control switch and is adjusted the output of 5V power supply, has played voltage stabilizing corrective action, makes closed loop of whole electric power generating composition.
In addition main master chip, peripheral chip and the display screen work of supplying with air-conditioning of 5V power supply output.Wherein, the air-conditioning load that each group voltage is corresponding under holding state is all in halted state, and only having 5V power supply output resume is that the power supply of air-conditioning master chip allows complete machine maintain armed state.General Switching Power Supply output only has 12V output and 15V output, and 5V obtains 12V step-down by linear voltage stabilization piece, and linear voltage stabilization piece expends with the form of heating the part voltage exceeding fall with the form of heating in this case, has strengthened stand-by power consumption.In the present embodiment, switch control adjuster 12 is isolated in transforming circuit 13 and is exported as 5V by control switch, offers the normal working voltage of air-conditioning master chip, does not need to remake step-down processing, has reduced the power consumption of standby.
In the present embodiment, described switching power circuit also comprises: EMI filter circuit 25;
Described EMI filter circuit 25 is electrically connected with external 220V AC power and described alternating current-direct current rectification circuit 11 respectively, and for external 220V AC power is carried out to filtering processing; Described EMI filter circuit 25 comprises that the 4th electrodeless electric capacity C4, the second inductance L 2, the 5th electrodeless electric capacity C5, first row hold PC1 and second row holds PC2; Described the 4th electrodeless electric capacity C4, described the second inductance L 2 and described the 5th electrodeless electric capacity C5 are electrically connected with zero line with external 220V AC power live wire respectively;
Described first row holds PC1 and described second row holds PC2 series connection, and the first end of described first row appearance PC1 is electrically connected with external 220V AC power live wire; The first end that described second row holds PC2 is electrically connected with external 220V AC power zero line; Described first row holds the second end ground connection of PC1 and described second row appearance PC2.
Hence one can see that, and the complete external 220V AC power of DC frequency converting air-conditioner is first carried out filtering through EMI filter circuit 25 to 220V AC power, eliminates disturbing wave, then carries out rectification.Make so external 220V power supply more stable after filter rectification.
In the present embodiment, described switching power circuit also comprises: protective tube 31 and piezo-resistance 32;
When described protective tube 31 and described piezo-resistance 32 occur short circuit for external 220V AC power over-voltage and over-current or described switching power circuit inside, deenergization loop, plays the effect of protective circuit element.
In the present embodiment, described switch isolation transforming circuit 13 is also provided with the 9th Voltage-output pin and the tenth Voltage-output pin for exporting 15V power supply;
Described output filter circuit is provided with for the 15V power output circuit 22 to the inner member of full DC frequency converting air-conditioner by 15V power delivery;
Described 15V power output circuit 22 comprises: for the 15V filter circuit that direct current is carried out the 15V rectification circuit of rectification and direct current carried out to filtering;
Described 15V filter circuit comprises that the 6th electrodeless electric capacity C6, the 3rd has electrode capacitance E3, the 3rd inductance L 3 and the 6th resistance R 6;
The first end, the described the 3rd of described the 6th electrodeless electric capacity C6 has the first end of electrode capacitance E3 and the first end of described the 6th resistance R 6 to be electrically connected with described the tenth Voltage-output pin by described the 3rd inductance L 3 respectively;
The second end, the described the 3rd of described the 6th electrodeless electric capacity C6 have the second end of electrode capacitance E3 and the second end of described the 6th resistance R 6 respectively with the 9th Voltage-output pin common ground;
Described 15V rectification circuit comprises the second diode D2;
Described the tenth Voltage-output pin is electrically connected with described the second diode D2 anode, and described the second diode D2 negative electrode is electrically connected with described 15V filter circuit and for making direct current through described the second diode D2 rectification;
Described the 9th Voltage-output pin ground connection, and described the tenth Voltage-output pin forms 15V power output end with described the tenth Voltage-output pin after by the rectification of described 15V rectification circuit and the filtering of described 15V filter circuit.
Hence one can see that, and switch isolation transforming circuit 13, according to the control of switch control adjuster 12, by the 9th Voltage-output pin and the tenth Voltage-output pin output 15v power supply, is supplied with the inner member needs of full DC frequency converting air-conditioner after transformation.Before outputing to the inner member of full DC frequency converting air-conditioner, direct current, through 15V rectification circuit and 15V filter circuit, makes 15V direct current smoothly stable, has ensured the stability of voltage, reduces fluctuation, and the inner member of full DC frequency converting air-conditioner can normally be worked.
Certainly, 15V power output end can also arrange 15V feedback circuit, 15V power supply output state is fed back to switch control adjuster 12 by 15V feedback circuit, switch control adjuster 12 is monitored 15V power supply output state, in the time that the output of 15V power supply occurs that fluctuation or the output of 15V power supply exceed prescribed limit, switch control adjuster 12 is isolated transforming circuit 13 by control switch and is adjusted the output of 15V power supply, has played voltage stabilizing corrective action, makes closed loop of whole electric power generating composition.In addition the main direct current machine work of supplying with air-conditioning of 15V power supply output.
In the present embodiment, described switch isolation transforming circuit 13 is also provided with the 6th Voltage-output pin and the 8th Voltage-output pin for exporting 12V power supply;
Described output filter circuit is provided with for the 12V power output circuit 23 to the inner member of full DC frequency converting air-conditioner by 12V power delivery;
Described 12V power output circuit 23 comprises: for the 12V filter circuit that direct current is carried out the 12V rectification circuit of rectification and direct current carried out to filtering;
Described 12V filter circuit comprises that the 7th electrodeless electric capacity C7, the 4th has electrode capacitance E4 and the 5th to have electrode capacitance E5;
The first end, the described the 4th of described the 7th electrodeless electric capacity C7 has the first end and the described the 5th of electrode capacitance E4 to have the first end of electrode capacitance C5 to be electrically connected with described the 8th Voltage-output pin respectively;
The second end, the described the 4th of described the 7th electrodeless electric capacity C7 have the second end that the second end and the described the 5th of electrode capacitance E4 has an electrode capacitance E5 respectively with ground connection;
Described 12V rectification circuit comprises the 3rd diode D3;
Described the 8th Voltage-output pin is electrically connected with described the 3rd diode D3 anode, and described the 3rd diode D3 negative electrode is electrically connected with described 12V filter circuit and for making direct current through described the 3rd diode D3 rectification;
Described the 6th Voltage-output pin ground connection, and described the 8th Voltage-output pin forms 12V power output end with described the 6th Voltage-output pin after by the rectification of described 12V rectification circuit and the filtering of described 12V filter circuit.
Hence one can see that, and switch isolation transforming circuit 13, according to the control of switch control adjuster 12, by the 6th Voltage-output pin and the 8th Voltage-output pin output 12v power supply, is supplied with the inner member needs of full DC frequency converting air-conditioner after transformation.Before outputing to the inner member of full DC frequency converting air-conditioner, direct current, through 12V rectification circuit and 12V filter circuit, makes 12V direct current smoothly stable, has ensured the stability of voltage, reduces fluctuation, and the inner member of full DC frequency converting air-conditioner can normally be worked.
Certainly, 12V power output end can also arrange 12V feedback circuit, 12V power supply output state is fed back to switch control adjuster 12 by 12V feedback circuit, switch control adjuster 12 is monitored 12V power supply output state, in the time that the output of 12V power supply occurs that fluctuation or the output of 12V power supply exceed prescribed limit, switch control adjuster 12 is isolated transforming circuit 13 by control switch and is adjusted the output of 12V power supply, has played voltage stabilizing corrective action, makes closed loop of whole electric power generating composition.In addition main relay and the stepping motor work of supplying with air-conditioning of 12V power supply output.
In the present embodiment, described switch control adjuster 12 inside are provided with switching tube; Described switching power circuit is also provided with auxiliary power circuit; Described switching tube is for opening and turn-off described switch control adjuster, and when described auxiliary power circuit is after described switching tube input starting resistor, described switching tube closure, starts described switch control adjuster.Hence one can see that, auxiliary power circuit is to supply with switch control adjuster 12 to start operating voltage, 220V alternating current, to 12 1 starting resistor signals of switch control adjuster, makes the 12 internal switch pipe actions of switch control adjuster, and starting switch control adjuster 12 is worked.
In the present embodiment, described current rectifying and wave filtering circuit comprises that the 4th diode D4, the 6th has electrode capacitance E6 and the 7th resistance R 7;
Described switch isolation transforming circuit 13 is also provided with the 4th Voltage-output pin and the 5th Voltage-output pin;
The described the 6th has electrode capacitance E6 first end to be electrically connected with described the 4th Voltage-output pin; Described the 4th diode D4 anode tap is electrically connected with described the 5th Voltage-output pin; The described the 6th has electrode capacitance E6 the second end and described the 4th diode D4 cathode terminal to be jointly electrically connected with described switch control adjuster 12 by described the 7th resistance R 7, for the operating voltage rectifying and wave-filtering that described switch isolation transforming circuit 13 is converted, and the operating voltage output after rectifying and wave-filtering is worked for described switch control adjuster 12.
In the present embodiment, alternating current-direct current rectification circuit is provided with bridge rectifier, and wherein rectifier circuit comprises that rectifier bridge 26, the 7th has electrode capacitance E7, the 8th electrodeless electric capacity C8.Alternating current 220V power supply enters bridge rectifier after the filtering of EMI filter circuit, alternating current is converted into direct current and then exports to switch isolation transforming circuit 13 and carry out transformation processing, to supply with the work of full DC frequency converting air-conditioner inner member.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is and the difference of other embodiment, between each embodiment identical similar part mutually referring to.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a full DC frequency converting air-conditioner for application switch power circuit power supply, is characterized in that, switching power circuit comprises: alternating current-direct current rectification circuit, switch isolation transforming circuit, current rectifying and wave filtering circuit, switch control adjuster and output filter circuit;
Described alternating current-direct current rectification circuit is provided with bridge rectifier, and for converting alternating current to direct current;
Described switch control adjuster is used for controlling described switch isolation transforming circuit and exports different magnitudes of voltage, to supply with the operating voltage of full DC frequency converting air-conditioner inner member;
Described switch isolation transforming circuit, for according to the control of described switch control adjuster, is helped the direct current conversion of described alternating current-direct current rectification circuit conversion the operating voltage of the inner member needs of DC frequency converting air-conditioner;
The operating voltage rectifying and wave-filtering of described output filter circuit for described switch isolation transforming circuit is converted, and the inner member power supply of the operating voltage after rectifying and wave-filtering being exported to full DC frequency converting air-conditioner;
The operating voltage rectifying and wave-filtering of described current rectifying and wave filtering circuit for described switch isolation transforming circuit is converted, and the operating voltage output after rectifying and wave-filtering is worked for described switch control adjuster.
2. according to the full DC frequency converting air-conditioner of the application switch power circuit power supply shown in claim 1, it is characterized in that,
Described switch isolation transforming circuit is provided with the 6th Voltage-output pin and the 7th Voltage-output pin for exporting 5V power supply;
Described output filter circuit is provided with for the 5V power output circuit to the inner member of full DC frequency converting air-conditioner by 5V power delivery;
Described 5V power output circuit comprises: 5V rectification circuit and 5V filter circuit;
Described 5V filter circuit comprises: the first electrodeless electric capacity, first has electrode capacitance, the first inductance, second to have electrode capacitance and the second electrodeless electric capacity;
The first end of described the first electrodeless electric capacity and described first has the first end of electrode capacitance to be electrically connected with described the first inductance first end, and described second has electrode capacitance first end and described the second electrodeless electric capacity first end to be electrically connected with described the first inductance first end; Described first electrodeless electric capacity the second end, described first has electrode capacitance the second end, second to have electrode capacitance the second end and second electrodeless electric capacity the second end ground connection;
Described 5V rectification circuit comprises: the first diode;
Described the 7th Voltage-output pin is electrically connected with described the first diode anode, and described the first diode cathode is electrically connected with described 5V filter circuit and for making direct current through described the first diode rectification;
Described the 6th Voltage-output pin ground connection, and described the 7th Voltage-output pin forms 5V power output end with described the 6th Voltage-output pin after by the rectification of described 5V rectification circuit and the filtering of described 5V filter circuit.
3. the full DC frequency converting air-conditioner of application switch power circuit power supply according to claim 2, is characterized in that,
Described 5V power output circuit also comprises for playing voltage regulation of voltage regulation effect at 5V output, and is electrically connected with described switch control adjuster, makes whole 5V power output circuit form the feedback loop of a closed-loop path;
Described feedback loop comprises: the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 3rd electrodeless electric capacity, four end photoelectrical couplers, the first integration module;
Described four end photoelectrical coupler the 3rd ends and the 4th end are electrically connected with described switch control adjuster, and described four end photoelectrical coupler first ends are electrically connected with described 5V output by described the first resistance; Described four end photoelectrical coupler the second ends by described the second resistance and the electrical connection of described 5V output and also with being electrically connected in series of described the 3rd resistance and described the 3rd electrodeless electric capacity, be also electrically connected with described the first integration module first end;
Described 5V output is by the 4th resistance and the 5th grounding through resistance;
Described second integration module the second end ground connection.
4. according to the full DC frequency converting air-conditioner of the application switch power circuit power supply shown in claim 1, it is characterized in that,
Described switching power circuit also comprises: EMI filter circuit;
Described EMI filter circuit is electrically connected with external 220V AC power and described alternating current-direct current rectification circuit respectively, and for external 220V AC power is carried out to filtering processing;
Described EMI filter circuit comprises that the 4th electrodeless electric capacity, the second inductance, the 5th electrodeless electric capacity, first row hold and second row holds;
Described the 4th electrodeless electric capacity, described the second inductance and described the 5th electrodeless electric capacity are electrically connected with zero line with external 220V AC power live wire respectively;
Described first row holds and described second row holds series connection, and the first end that described first row holds is electrically connected with external 220V AC power live wire; The first end that described second row holds is electrically connected with external 220V AC power zero line; The second end ground connection that described first row holds and described second row holds.
5. according to the full DC frequency converting air-conditioner of the application switch power circuit power supply shown in claim 1, it is characterized in that,
Described switching power circuit also comprises: protective tube and piezo-resistance;
When described protective tube and described piezo-resistance occur short circuit for external 220V AC power over-voltage and over-current or described switching power circuit inside, deenergization loop, plays the effect of protective circuit element.
6. according to the full DC frequency converting air-conditioner of the application switch power circuit power supply shown in claim 1, it is characterized in that,
Described switch isolation transforming circuit is also provided with the 9th Voltage-output pin and the tenth Voltage-output pin for exporting 15V power supply;
Described output filter circuit is provided with for the 15V power output circuit to the inner member of full DC frequency converting air-conditioner by 15V power delivery;
Described 15V power output circuit comprises: for the 15V filter circuit that direct current is carried out the 15V rectification circuit of rectification and direct current carried out to filtering;
Described 15V filter circuit comprises that the 6th electrodeless electric capacity, the 3rd has electrode capacitance, the 3rd inductance and the 6th resistance;
The first end, the described the 3rd of described the 6th electrodeless electric capacity has the first end of electrode capacitance and the first end of described the 6th resistance to be electrically connected with described the tenth Voltage-output pin by described the 3rd inductance respectively;
Second end, the described the 3rd of described the 6th electrodeless electric capacity have the second end of electrode capacitance and the second end of described the 6th resistance respectively with the 9th Voltage-output pin common ground;
Described 15V rectification circuit comprises the second diode;
Described the tenth Voltage-output pin is electrically connected with described the second diode anode, and described the second diode cathode is electrically connected with described 15V filter circuit and for making direct current through described the second diode rectification;
Described the 9th Voltage-output pin ground connection, and described the tenth Voltage-output pin forms 15V power output end with described the tenth Voltage-output pin after by the rectification of described 15V rectification circuit and the filtering of described 15V filter circuit.
7. according to the full DC frequency converting air-conditioner of the application switch power circuit power supply shown in claim 1, it is characterized in that,
Described switch isolation transforming circuit is also provided with the 6th Voltage-output pin and the 8th Voltage-output pin for exporting 12V power supply;
Described output filter circuit is provided with for the 12V power output circuit to the inner member of full DC frequency converting air-conditioner by 12V power delivery;
Described 12V power output circuit comprises: for the 12V filter circuit that direct current is carried out the 12V rectification circuit of rectification and direct current carried out to filtering;
Described 12V filter circuit comprises that the 7th electrodeless electric capacity, the 4th has electrode capacitance and the 5th to have electrode capacitance;
The first end, the described the 4th of described the 7th electrodeless electric capacity has the first end and the described the 5th of electrode capacitance to have the first end of electrode capacitance to be electrically connected with described the 8th Voltage-output pin respectively;
Second end, the described the 4th of described the 7th electrodeless electric capacity have the second end that second end and the described the 5th of electrode capacitance has an electrode capacitance respectively with ground connection;
Described 12V rectification circuit comprises the 3rd diode;
Described the 8th Voltage-output pin is electrically connected with described the 3rd diode anode, and described the 3rd diode cathode is electrically connected with described 12V filter circuit and for making direct current through described the 3rd diode rectification;
Described the 6th Voltage-output pin ground connection, and described the 8th Voltage-output pin forms 12V power output end with described the 6th Voltage-output pin after by the rectification of described 12V rectification circuit and the filtering of described 12V filter circuit.
8. according to the full DC frequency converting air-conditioner of the application switch power circuit power supply shown in claim 1, it is characterized in that,
Described switch control adjuster inside is provided with switching tube;
Described switching power circuit is also provided with auxiliary power circuit;
Described switching tube is for opening and turn-off described switch control adjuster, and when described auxiliary power circuit is after described switching tube input starting resistor, described switching tube closure, starts described switch control adjuster.
9. according to the full DC frequency converting air-conditioner of the application switch power circuit power supply shown in claim 1, it is characterized in that,
Described current rectifying and wave filtering circuit comprises that the 4th diode, the 6th has electrode capacitance and the 7th resistance;
Described switch isolation transforming circuit is also provided with the 4th Voltage-output pin and the 5th Voltage-output pin;
The described the 6th has electrode capacitance first end to be electrically connected with described the 4th Voltage-output pin; Described the 4th diode anode end is electrically connected with described the 5th Voltage-output pin; The described the 6th has electrode capacitance the second end and described the 4th diode cathode end to be jointly electrically connected with described switch control adjuster by described the 7th resistance, for the operating voltage rectifying and wave-filtering that described switch isolation transforming circuit is converted, and the operating voltage output after rectifying and wave-filtering is worked for described switch control adjuster.
10. according to the full DC frequency converting air-conditioner of the application switch power circuit power supply shown in claim 1, it is characterized in that,
The inner member of full DC frequency converting air-conditioner comprises: direct current machine, relay, chipset display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239940.6A CN103973141B (en) | 2014-05-30 | 2014-05-30 | The full DC frequency converting air-conditioner that a kind of application switch power circuit is powered |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410239940.6A CN103973141B (en) | 2014-05-30 | 2014-05-30 | The full DC frequency converting air-conditioner that a kind of application switch power circuit is powered |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103973141A true CN103973141A (en) | 2014-08-06 |
| CN103973141B CN103973141B (en) | 2016-08-24 |
Family
ID=51242286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410239940.6A Active CN103973141B (en) | 2014-05-30 | 2014-05-30 | The full DC frequency converting air-conditioner that a kind of application switch power circuit is powered |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103973141B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601911A (en) * | 2015-01-28 | 2015-05-06 | 青岛海信电器股份有限公司 | Control circuit |
| CN104638907A (en) * | 2015-02-11 | 2015-05-20 | 深圳市振邦智能科技有限公司 | Circuit for improving EMI (Electro Magnetic Interference) of refrigerator with inverter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1492199A (en) * | 2002-10-23 | 2004-04-28 | 上海日立电器有限公司 | Digital intelligent flow distribution controller |
| CN101272047A (en) * | 2008-05-15 | 2008-09-24 | 佛山市中格威电子有限公司 | Five-in-one intelligent digital general air conditioner protector |
| CN102798193A (en) * | 2011-05-23 | 2012-11-28 | 佛山市中格威电子有限公司 | Dual energy-saving air conditioning electric control board |
| CN103277878A (en) * | 2013-04-25 | 2013-09-04 | 广东志高空调有限公司 | Commodity inspection box used for inspecting base station air conditioner with communicating function |
-
2014
- 2014-05-30 CN CN201410239940.6A patent/CN103973141B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1492199A (en) * | 2002-10-23 | 2004-04-28 | 上海日立电器有限公司 | Digital intelligent flow distribution controller |
| CN101272047A (en) * | 2008-05-15 | 2008-09-24 | 佛山市中格威电子有限公司 | Five-in-one intelligent digital general air conditioner protector |
| CN102798193A (en) * | 2011-05-23 | 2012-11-28 | 佛山市中格威电子有限公司 | Dual energy-saving air conditioning electric control board |
| CN103277878A (en) * | 2013-04-25 | 2013-09-04 | 广东志高空调有限公司 | Commodity inspection box used for inspecting base station air conditioner with communicating function |
Non-Patent Citations (1)
| Title |
|---|
| 苗海亮 等: "变频空调用新型高性能开关电源的设计", 《电力电子技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601911A (en) * | 2015-01-28 | 2015-05-06 | 青岛海信电器股份有限公司 | Control circuit |
| CN104601911B (en) * | 2015-01-28 | 2018-03-27 | 青岛海信电器股份有限公司 | A kind of control circuit |
| CN104638907A (en) * | 2015-02-11 | 2015-05-20 | 深圳市振邦智能科技有限公司 | Circuit for improving EMI (Electro Magnetic Interference) of refrigerator with inverter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103973141B (en) | 2016-08-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106488607B (en) | Switching Power Supply and television set | |
| CN111509825A (en) | 45W broadband voltage self-adaptation PPS super portable power source structure that fills soon | |
| CN109525132A (en) | A kind of interleaved PFC constant voltage drive circuit, driving power and television set | |
| CN110212748A (en) | A kind of Width funtion power supply input circuit | |
| CN102694477B (en) | High-voltage alternating current power supply, low-voltage alternating current power supply and low-voltage direct current power supply common-base circuit | |
| CN101262556A (en) | A STB with low-power consumption standby | |
| CN101847937A (en) | Power module | |
| CN108767953A (en) | A kind of DC charging cabinet | |
| CN103973141A (en) | Full-direct-current variable frequency air conditioner supplied with electricity by using switching power supply circuit | |
| CN108964450A (en) | A kind of DC power supply accesses compound circuit and its application of AC power source | |
| CN108322051A (en) | A kind of inverse-excitation type switch power-supply | |
| CN219513975U (en) | Programmable power supply device | |
| CN209447016U (en) | A kind of switching power circuit and frequency-variable air conditioner outdoor machine | |
| CN206341130U (en) | A kind of low power consumption switch supply unit | |
| CN202663316U (en) | Circuit with three common-grounded power supplies of high voltage alternating current, low voltage alternating current and low voltage direct current | |
| CN201900045U (en) | Three-phase intermediate-frequency direct-current high-voltage power supply of electric precipitator | |
| CN209170218U (en) | A kind of PFC boost main power circuit | |
| CN204118734U (en) | Photovoltaic air conditioner power supply circuit and photovoltaic air conditioner | |
| CN209200952U (en) | A kind of miniature low-power consumption AC-DC module power supply | |
| CN106505836A (en) | A kind of low power consumption switch supply unit | |
| CN106783401A (en) | A kind of energy-saving resistance-capacitance depressurization relay drive circuit | |
| CN203748072U (en) | Constant-current boost circuit with adjustable output voltage | |
| CN208143109U (en) | A kind of isolation type switching power supply power supply circuit and Switching Power Supply | |
| CN202750315U (en) | Magnetron filament power supply circuit | |
| CN206272512U (en) | A kind of safety electric capacity Protection switch supply unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20240326 Granted publication date: 20160824 |
|
| PP01 | Preservation of patent right |