CN204376744U - Reduce the circuit of electromagnetic oven power consumption - Google Patents
Reduce the circuit of electromagnetic oven power consumption Download PDFInfo
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- CN204376744U CN204376744U CN201420796911.5U CN201420796911U CN204376744U CN 204376744 U CN204376744 U CN 204376744U CN 201420796911 U CN201420796911 U CN 201420796911U CN 204376744 U CN204376744 U CN 204376744U
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- circuit
- mcu
- power supply
- rear class
- wave filtering
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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
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Abstract
The utility model discloses a kind of circuit reducing electromagnetic oven power consumption, comprise: prime rectification circuit, BUCK Switching Power Supply or single-end flyback switching power supply, MCU, rear class current rectifying and wave filtering circuit, major loop, peripheral testing circuit and current sample, the input of prime rectification circuit is connected to civil power, output is connected to BUCK Switching Power Supply or single-end flyback switching power supply, also comprise relay J D1, transistor Q, the base stage of transistor Q is connected to MCU interlock circuit through resistance R4, collector electrode is connected to power supply VCC through relay J D1 coil, grounded emitter, civil power is associated between civil power and rear class current rectifying and wave filtering circuit input through the switch series of relay J D1, rear class current rectifying and wave filtering circuit output one tunnel is connected to MCU through major loop, another road is connected to MCU through current sample, another output of rear class current rectifying and wave filtering circuit is connected to MCU, MCU is also connected to peripheral testing circuit.The utility model has the beneficial effect reducing stand-by power consumption.
Description
Technical field
The utility model relates to a kind of circuit of electromagnetic oven.
Background technology
The general all >0.5W of existing electromagnetic stove loop complete machine stand-by power consumption, major power consumption Switching Power Supply, voltage sampling circuit, synchronous sampling circuit, on electric protection, drive circuit, temperature sampling, man-machine interface circuit.
Utility model content
The utility model, according to above not enough, provides a kind of circuit reducing electromagnetic oven power consumption, newly-increased control relay circuit, power-off time standby by circuit such as Control rear class current rectifying and wave filtering circuit, major loop and MCU, thus saves stand-by power consumption.
The technical solution of the utility model is:
A kind of circuit reducing electromagnetic oven power consumption, comprise: prime rectification circuit, BUCK Switching Power Supply or single-end flyback switching power supply, MCU, rear class current rectifying and wave filtering circuit, major loop, peripheral testing circuit and current sample, the input of prime rectification circuit is connected to civil power, output is connected to BUCK Switching Power Supply or single-end flyback switching power supply, it is characterized in that, also comprise relay J D1, transistor Q, the base stage of transistor Q is connected to MCU interlock circuit through resistance R4, collector electrode is connected to power supply VCC through relay J D1 coil, grounded emitter, civil power is associated between civil power and rear class current rectifying and wave filtering circuit input through the switch series of relay J D1, rear class current rectifying and wave filtering circuit output one tunnel is connected to MCU through major loop, another road is connected to MCU through current sample, another output of rear class current rectifying and wave filtering circuit is connected to MCU, MCU is also connected to peripheral testing circuit.
Described prime rectification circuit comprises the first bridge rectifier of diode D3, D4, D5 and D6 composition, the ac input end of this first bridge rectifier is connected to civil power, the positive output end of the first bridge rectifier is through resistance R6, electric capacity C3 ground connection, the common port of resistance R6 and electric capacity C3 is connected to described BUCK Switching Power Supply or single-end flyback switching power supply, the negative output terminal ground connection of the first bridge rectifier.
Described rear class current rectifying and wave filtering circuit comprises diode D7, D8, second bridge rectifier of D9 and D10 composition, the ac input end of the second bridge rectifier is connected to civil power, the positive output end of the second bridge rectifier is connected to the input of described major loop after LC filtering, negative output terminal one tunnel of the second bridge rectifier is connected to the input of described current sample, another road is through sampling resistor R5 ground connection, rear class current rectifying and wave filtering circuit also comprises diode D1, D2, diode D1, the positive pole of D2 is connected respectively to civil power, diode D1, through resistance R1 after the negative pole connection of D2, R2 is to ground, resistance R2 shunt capacitance C2, resistance R1, the common point of R2 is connected to described MCU.
Described major loop comprises LC vibration, synchronous detection and IGBT drive circuit.
The base stage of described transistor Q is through resistance R3 ground connection.
Described sampling resistor R5 selects manganese-copper filament to sample.
The utility model has that structure is simple, cost is low, easy for installation, the beneficial effect that reduces stand-by power consumption.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Embodiment
Now by reference to the accompanying drawings the utility model is further described:
As shown in the figure, a kind of circuit reducing electromagnetic oven power consumption, comprise: prime rectification circuit, BUCK Switching Power Supply or single-end flyback switching power supply, MCU, rear class current rectifying and wave filtering circuit, major loop, peripheral testing circuit and current sample, the input of prime rectification circuit is connected to civil power 220VAC, output is connected to BUCK Switching Power Supply or single-end flyback switching power supply, also comprise relay J D1, transistor Q, the base stage of transistor Q is connected to MCU interlock circuit through resistance R4, collector electrode is connected to power supply VCC through relay J D1 coil, grounded emitter, civil power is associated between civil power and rear class current rectifying and wave filtering circuit input through the switch series of relay J D1, rear class current rectifying and wave filtering circuit output one tunnel is connected to MCU through major loop, another road is connected to MCU through current sample, another output of rear class current rectifying and wave filtering circuit is connected to MCU, MCU is also connected to peripheral testing circuit.
Prime rectification circuit comprises the first bridge rectifier of diode D3, D4, D5 and D6 composition, the ac input end of this first bridge rectifier is connected to civil power, the positive output end of the first bridge rectifier is through resistance R6, electric capacity C3 ground connection, the common port of resistance R6 and electric capacity C3 is connected to BUCK Switching Power Supply or single-end flyback switching power supply, the negative output terminal ground connection of the first bridge rectifier.
Rear class current rectifying and wave filtering circuit comprises diode D7, D8, second bridge rectifier of D9 and D10 composition, the ac input end of the second bridge rectifier is connected to civil power, the positive output end of the second bridge rectifier is connected to the input of described major loop after LC filtering, negative output terminal one tunnel of the second bridge rectifier is connected to the input of described current sample, another road is through sampling resistor R5 ground connection, rear class current rectifying and wave filtering circuit also comprises diode D1, D2, diode D1, the positive pole of D2 is connected respectively to civil power, diode D1, through resistance R1 after the negative pole connection of D2, R2 is to ground, resistance R2 shunt capacitance C2, resistance R1, the common point of R2 is connected to MCU.
Major loop comprises LC vibration, synchronous detection and IGBT drive circuit.
The base stage of transistor Q is through resistance R3 ground connection.
Sampling resistor R5 selects manganese-copper filament to sample.
Also comprise in circuit and be connected on mains electricity input end fuse FUSE1, be connected in parallel on the piezo-resistance CNR1 of mains electricity input end and be connected in parallel on the filter capacitor C0 of rear class current rectifying and wave filtering circuit input.
Claims (6)
1. one kind is reduced the circuit of electromagnetic oven power consumption, comprise: prime rectification circuit, BUCK Switching Power Supply or single-end flyback switching power supply, MCU, rear class current rectifying and wave filtering circuit, major loop, peripheral testing circuit and current sample, the input of prime rectification circuit is connected to civil power, output is connected to BUCK Switching Power Supply or single-end flyback switching power supply, it is characterized in that, also comprise relay J D1, transistor Q, the base stage of transistor Q is connected to MCU interlock circuit through resistance R4, collector electrode is connected to power supply VCC through relay J D1 coil, grounded emitter, civil power is associated between civil power and rear class current rectifying and wave filtering circuit input through the switch series of relay J D1, rear class current rectifying and wave filtering circuit output one tunnel is connected to MCU through major loop, another road is connected to MCU through current sample, another output of rear class current rectifying and wave filtering circuit is connected to MCU, MCU is also connected to peripheral testing circuit.
2. a kind of circuit reducing electromagnetic oven power consumption as claimed in claim 1, it is characterized in that, described prime rectification circuit comprises the first bridge rectifier of diode D3, D4, D5 and D6 composition, the ac input end of this first bridge rectifier is connected to civil power, the positive output end of the first bridge rectifier is through resistance R6, electric capacity C3 ground connection, the common port of resistance R6 and electric capacity C3 is connected to described BUCK Switching Power Supply or single-end flyback switching power supply, the negative output terminal ground connection of the first bridge rectifier.
3. a kind of circuit reducing electromagnetic oven power consumption as claimed in claim 1, it is characterized in that, described rear class current rectifying and wave filtering circuit comprises diode D7, D8, second bridge rectifier of D9 and D10 composition, the ac input end of the second bridge rectifier is connected to civil power, the positive output end of the second bridge rectifier is connected to the input of described major loop after LC filtering, negative output terminal one tunnel of the second bridge rectifier is connected to the input of described current sample, another road is through sampling resistor R5 ground connection, rear class current rectifying and wave filtering circuit also comprises diode D1, D2, diode D1, the positive pole of D2 is connected respectively to civil power, diode D1, through resistance R1 after the negative pole connection of D2, R2 is to ground, resistance R2 shunt capacitance C2, resistance R1, the common point of R2 is connected to described MCU.
4. a kind of circuit reducing electromagnetic oven power consumption as claimed in claim 1, is characterized in that, described major loop comprises LC vibration, synchronous detection and IGBT drive circuit.
5. a kind of circuit reducing electromagnetic oven power consumption as claimed in claim 1, is characterized in that, the base stage of described transistor Q is through resistance R3 ground connection.
6. a kind of circuit reducing electromagnetic oven power consumption as claimed in claim 3, is characterized in that, described sampling resistor R5 selects manganese-copper filament to sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796911.5U CN204376744U (en) | 2014-12-15 | 2014-12-15 | Reduce the circuit of electromagnetic oven power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420796911.5U CN204376744U (en) | 2014-12-15 | 2014-12-15 | Reduce the circuit of electromagnetic oven power consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204376744U true CN204376744U (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420796911.5U Active CN204376744U (en) | 2014-12-15 | 2014-12-15 | Reduce the circuit of electromagnetic oven power consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204376744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612370A (en) * | 2017-09-19 | 2018-01-19 | 珠海格力电器股份有限公司 | Multichannel rectification circuit and Switching Power Supply altogether |
| CN108075673A (en) * | 2017-09-19 | 2018-05-25 | 珠海格力电器股份有限公司 | Multichannel rectification circuit and Switching Power Supply altogether |
-
2014
- 2014-12-15 CN CN201420796911.5U patent/CN204376744U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612370A (en) * | 2017-09-19 | 2018-01-19 | 珠海格力电器股份有限公司 | Multichannel rectification circuit and Switching Power Supply altogether |
| CN108075673A (en) * | 2017-09-19 | 2018-05-25 | 珠海格力电器股份有限公司 | Multichannel rectification circuit and Switching Power Supply altogether |
| CN108075673B (en) * | 2017-09-19 | 2020-02-28 | 珠海格力电器股份有限公司 | Multi-path common-ground rectification circuit and switching power supply |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |