CN201499100U - Energy-saving circuit for household electric appliance and office equipment power supplies - Google Patents
Energy-saving circuit for household electric appliance and office equipment power supplies Download PDFInfo
- Publication number
- CN201499100U CN201499100U CN2009201320105U CN200920132010U CN201499100U CN 201499100 U CN201499100 U CN 201499100U CN 2009201320105 U CN2009201320105 U CN 2009201320105U CN 200920132010 U CN200920132010 U CN 200920132010U CN 201499100 U CN201499100 U CN 201499100U
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- circuit
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- power supply
- power
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The utility model relates to an energy-saving circuit for power supplies of a household electric appliance and office equipment which are in a standby or an off mode, which comprises a resistance-capacitance buck circuit arranged on a power voltage input end, an energy-saving control switch arranged on a series circuit arranged on the resistance-capacitance buck circuit, and a rectification filter circuit and a DC voltage stabilizing circuit arranged on a power energy-saving circuit output end. The energy-saving circuit can automatically regulate and control the power voltage; the energy-saving control switch controls to reduce the energy consumption of the power supply when the household electric appliance and the office equipment are in the standby or the off mode, thereby the requirements of EU eco-design implementation plans and regulations are met, and the purposes of energy saving and power saving are achieved.
Description
Technical field
The utility model relates to a kind of household electrical appliance and office equipment standby or " shut " mode" power supply energy-saving circuit, just AC power is the power supply energy-saving circuit of dc supply voltage by decompression transformation, and the power supply energy-saving circuit constitutes various energy-saving electric appliance products with miscellaneous part.
Background technology
On December 17th, 2008, EU Committee has put into effect ecological design rules, with the standby that reduces all household electronic products and office equipment or the energy consumption of " shut " mode", and in formal enforcement on January 7th, 2009.Laws and regulations requirement: before 2013, the standby of all electric equipment products or " shut " mode" energy consumption must be less than 1W (for the products of no indicating device), or less than 2W (for the product that indicating device is arranged); From 2013, the standby of all electric equipment products or " shut " mode" energy consumption must be less than 0.5W (for the products of no indicating device), or must be, and before the year two thousand twenty, make standby or " shut " mode" power consumption reduce 75% again less than 1W (for the product that indicating device is arranged).This is the requirement of whole mankind's sustainable development, is the needs of energy-saving and emission-reduction, environmental protection, is the trade technology barriers that EU Committee is provided with, and is to keep and strengthen the technical problem that the international competitiveness institute of China's electric equipment products must solution.
In household electrical appliance and the office equipment, many products all have standby or the big problem of " shut " mode" energy consumption, linear stabilized power supply with the power transformer step-down, copper loss, iron loss problem are arranged, the Switching Power Supply voltage stabilizing circuit has from the big problem of loss, the resistance-capacitance depressurization power circuit has advantage simple in structure, that volume is little, in light weight, with low cost, but resistance-capacitance depressurization circuit constant-current circuit basically the time, when no matter being zero load or full load, the energy consumption of power supply almost is the same, is difficult to satisfy European Union's ecological design implementation scheme laws and regulations requirement.
The utility model content
For solve household electrical appliance and office equipment standby or " shut " mode" energy saving, problem cuts down the consumption of energy, the utility model provides a kind of electric equipment products standby or " shut " mode" power supply energy-saving circuit, this power supply energy-saving circuit uses common electronic devices and components commonly used, be easy to produce combination, working stability is reliable, with low cost, energy-saving effect is obvious, can satisfy European Union's ecological design implementation scheme laws and regulations requirement.
The technical scheme that the utility model technical solution problem is adopted is:
The utility model provides a kind of household electrical appliance and office equipment standby or " shut " mode" power supply energy-saving circuit, comprising:
The resistance-capacitance depressurization circuit is installed in the supply voltage input, by two decompression capacitors or series connection or compose in parallel;
The Energy Saving Control switch is installed in the series loop of described resistance-capacitance depressurization circuit, and the series connection of described two decompression capacitors or be connected in parallel is by described Energy Saving Control switch control transformation;
Current rectifying and wave filtering circuit and direct current regulation circuit are installed in the output of described power supply energy-saving circuit;
Input ac power 9 is through the step-down of resistance-capacitance depressurization circuit, described two decompression capacitors or series connection or be connected in parallel, is the normal operating conditions requirement by the Energy Saving Control switch according to household electrical appliance or office equipment, still standby or " shut " mode" require to control, through current rectifying and wave filtering circuit and direct current regulation circuit voltage stabilizing, offer electric equipment products operate as normal D.C. high-current stabilized voltage power supply, or the DC low current stabilized voltage power supply of energy saving when electric equipment products standby or " shut " mode" are provided.
Description of drawings
After below in conjunction with drawings and Examples the utility model execution mode being elaborated, other features of the present utility model, characteristics and advantage will be more obvious.
Fig. 1. an embodiment of the present utility model, power supply energy-saving circuit when electric equipment products standby or " shut " mode";
Fig. 2. an embodiment of the present utility model, power circuit during electric equipment products normal operation state.
Form by following with reference to the described power supply energy-saving circuit of figure 1. embodiment of the present utility model:
The resistance-capacitance depressurization circuit, form by decompression capacitor 2,3 and dropping resistor 4,5,6, decompression capacitor 2 and 3 is series connection or in parallel, be subjected to the control of Energy Saving Control relay 1, dropping resistor 5 and 6 is to convert at described decompression capacitor 2 and 3 to play metering function when being connected in parallel, one end of dropping resistor 4 connects an end 9b of AC power 9, plays current limliting and hypotensive effect;
The Energy Saving Control switch, form by Energy Saving Control relay 1, fly-wheel diode 7, change over switch 8, when household electrical appliance and office equipment are standby or " shut " mode", change over switch 8 disconnects, two groups of normally-closed contact: a of Energy Saving Control relay 1 are connected with a1, b is connected with b1, described decompression capacitor 2 and 3 is connected in series, and the decompression capacitor value after being connected in series reduces, and power circuit provides the DC low current power supply;
Current rectifying and wave filtering circuit and direct current regulation circuit, form by rectifier diode 10,16 and filter capacitor 11 and voltage stabilizing didoe 12, be installed in the input of power supply energy-saving circuit, 13 is the load of D.C. regulated power supply, 14,15 be D.C. regulated power supply just/negative output terminal, 14 ends are connected with AC power 9 other end 9a.
Be made up of following with reference to the described power supply energy-saving circuit of figure 2. embodiment of the present utility model, the resistance-capacitance depressurization circuit is made up of decompression capacitor 2,3 and dropping resistor 4,5,6;
The Energy Saving Control switch, form by Energy Saving Control relay 1, fly-wheel diode 7, change over switch 8, when household electrical appliance and office equipment are the normal operation state, change over switch 8 closes, the actuating coil of Energy Saving Control relay 1 is connected direct-current working volts, the adhesive of 1 liang of group of relay normally opened contact: a is connected with a2, b is connected with b2, described decompression capacitor 2 and 3 is connected in parallel, decompression capacitor 2,3 back in parallel capacitances increase, and power circuit provides the electric equipment products operate as normal required D.C. high-current power supply.
Fly-wheel diode 7 is: changed moment to disconnecting by closure state when change over switch 8, the inverse electromotive force that Energy Saving Control relay 1 DC operation coil produces plays the afterflow effect.
With reference to figure 1 or with reference to the rectification circuit of embodiment among the figure 2 is half-wave rectifying circuit, and the utility model embodiment rectification circuit also is used for full-wave rectifying circuit; Power supply energy-saving circuit described in the utility model is used to manufacture household electrical appliance and office equipment series products, also is applicable to the charged source circuit series products that all need energy saving.
Some changes each parts installation site of described power supply energy-saving circuit, or some variation of selected electronic devices and components, or reduces certain part, or increases some auxiliary electron components and parts, and so all operation principles are the same, or near the same.
Above embodiment is used for illustrating the utility model, and is not as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of above embodiment.
Claims (5)
1. household electrical appliance and office equipment power supply energy-saving circuit is characterized in that, comprising:
The resistance-capacitance depressurization circuit is installed in the supply voltage input, by being composed in series with resistance after two decompression capacitors or series connection or the parallel connection;
The Energy Saving Control switch is installed on the loop of described resistance-capacitance depressurization circuit;
Current rectifying and wave filtering circuit and direct current regulation circuit are installed in the output of described power supply energy-saving circuit.
2. power supply energy-saving circuit as claimed in claim 1 is characterized in that, when described household electrical appliance and office equipment standby or " shut " mode", described two decompression capacitors are connected in series, the decompression capacitor value reduces, and power circuit provides the DC low current stabilized voltage power supply, satisfies energy-conservation requirement.
3. power supply energy-saving circuit as claimed in claim 1 is characterized in that, when described household electrical appliance and office equipment normal operation, described two decompression capacitors are connected in parallel, and the decompression capacitor value increases, and power circuit provides the D.C. high-current power power-supply.
4. as power supply energy-saving circuit as described in claim 1 or 2 or 3, it is characterized in that described two decompression capacitors or series connection or be connected in parallel are by Energy Saving Control switch control transformation.
5. power supply energy-saving circuit as claimed in claim 1 is characterized in that, described power supply energy-saving circuit, or be used to manufacture household electrical appliance and office equipment series products, or be used for the product that has power circuit that all need energy saving.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201320105U CN201499100U (en) | 2009-05-22 | 2009-05-22 | Energy-saving circuit for household electric appliance and office equipment power supplies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201320105U CN201499100U (en) | 2009-05-22 | 2009-05-22 | Energy-saving circuit for household electric appliance and office equipment power supplies |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201499100U true CN201499100U (en) | 2010-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201320105U Expired - Fee Related CN201499100U (en) | 2009-05-22 | 2009-05-22 | Energy-saving circuit for household electric appliance and office equipment power supplies |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201499100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103209513A (en) * | 2012-11-09 | 2013-07-17 | 郑强胜 | Variable-frequency double-resistance-capacitance light emitting diode (LED) power drive circuit |
-
2009
- 2009-05-22 CN CN2009201320105U patent/CN201499100U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103209513A (en) * | 2012-11-09 | 2013-07-17 | 郑强胜 | Variable-frequency double-resistance-capacitance light emitting diode (LED) power drive circuit |
| CN103209513B (en) * | 2012-11-09 | 2016-03-30 | 郑强胜 | The two resistance-capacitance type LED power drive circuit of a kind of frequency conversion type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Wang Zhihao Document name: Notification of patent rights granted to utility models and formalities for registration |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100602 Termination date: 20110522 |