CN202216308U - Control circuit of range hood with ultralow standby power consumption - Google Patents
Control circuit of range hood with ultralow standby power consumption Download PDFInfo
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- CN202216308U CN202216308U CN2011202855491U CN201120285549U CN202216308U CN 202216308 U CN202216308 U CN 202216308U CN 2011202855491 U CN2011202855491 U CN 2011202855491U CN 201120285549 U CN201120285549 U CN 201120285549U CN 202216308 U CN202216308 U CN 202216308U
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- 230000000087 stabilizing effect Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 abstract description 4
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- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 2
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Abstract
The utility model discloses an ultralow stand-by power consumption range hood control circuit, including protection circuit, common mode circuit, rectifier circuit, high frequency transformer, PWM modulation steady voltage control circuit, steady voltage detection feedback circuit, +5V rectification filter circuit and +12V rectification filter circuit, protection circuit, common mode circuit, rectifier circuit and high frequency transformer are connected to the AC220V output electricity in proper order, high frequency transformer electricity respectively connects PWM modulation steady voltage control circuit, +5V rectification filter circuit and +12V rectification filter circuit, steady voltage detection feedback circuit electricity connect in between PWM modulation steady voltage control circuit and the +5V rectification filter circuit. The control circuit can realize that the power consumption of the range hood in standby is less than 0.5W, thereby greatly saving power resources.
Description
Technical field
The utility model relates to a kind of ultralow stand-by power consumption range hood control circuit.
Background technology
At present, the range hood kind on the market is a lot, and the design of its circuit control system is also similar, but its stand-by power consumption is mostly between 6W to 10W, and the waste resource especially under the overweight situation of rationing the power supply in addition of network load nowadays, more needs super low-power consumption.
Summary of the invention
In order to overcome above-mentioned defective, the utility model provides a kind of ultralow stand-by power consumption range hood control circuit, and the power consumption when this control circuit can be realized the range hood standby is saved electric power resource greatly less than 0.5W.
The utility model for the technical scheme that solves its technical problem and adopt is: a kind of ultralow stand-by power consumption range hood control circuit; Comprise holding circuit, common-mode circuit, rectification circuit, high frequency transformer, PWM modulation controlling circuit of voltage regulation, voltage stabilizing detect feedback circuit ,+the 5V current rectifying and wave filtering circuit and+the 12V current rectifying and wave filtering circuit; The AC220V output is electrically connected said holding circuit, common-mode circuit, rectification circuit and high frequency transformer successively; Said high frequency transformer be electrically connected respectively PWM modulation controlling circuit of voltage regulation ,+the 5V current rectifying and wave filtering circuit and+the 12V current rectifying and wave filtering circuit, said voltage stabilizing detect feedback circuit be electrically connected on said PWM modulation controlling circuit of voltage regulation and+the 5V current rectifying and wave filtering circuit between.Wherein, comprise circuit as prime power input part branch, main as preventing that external power supply from overtension occurring or having when thunderbolt to protect; Common-mode circuit is used to prevent disturb; Rectification circuit is then directly with the AC220V rectifying and wave-filtering and send into high frequency transformer; PWM modulation controlling circuit of voltage regulation is incorporated PWM modulation controlling circuit of voltage regulation into through voltage stabilizing detection feedback circuit detecting DC5V magnitude of voltage and is carried out the adjusting of PWM ratio to reach ultralow stand-by power consumption; The stable voltage of+12V current rectifying and wave filtering circuit output is given electrical appliance; + 5V current rectifying and wave filtering circuit provides stable system power supply.
As the further improvement of the utility model, on said+12V current rectifying and wave filtering circuit, also be electrically connected motor output control circuit and motor output circuit successively.
As the further improvement of the utility model, on said+12V current rectifying and wave filtering circuit, also be electrically connected the LED constant-current circuit.The stable voltage of+12V current rectifying and wave filtering circuit output is given the power supply of LED constant-current circuit.
As the further improvement of the utility model, also establish total control circuit, this total control circuit is electrically connected respectively+5V current rectifying and wave filtering circuit, motor output control circuit and control each circuit.Each output circuit is through the control output corresponding work power supply of total control circuit.
As the further improvement of the utility model, other is provided with LED control circuit and LED output circuit, and this LED control circuit is electrically connected between said LED constant-current circuit and the total control circuit, and said LED output circuit is electrically connected on the said LED constant-current circuit.The LED constant-current circuit provides the constant current of 3.0-3.5V voltage and 310-350mA, thereby realizes the high bright and energy-conserving and environment-protective of LED lamp.
The beneficial effect of the utility model is: detect feedback circuit through PWM modulation controlling circuit of voltage regulation and voltage stabilizing and make machine when the standby, PWM modulation controlling circuit of voltage regulation is adjusted to minimum automatically to reach super low-power consumption standby (less than 0.5W); Through the LED constant-current circuit continuous current of 3.0-3.5V voltage and 310-350mA is provided, thereby realizes the high bright and energy-conserving and environment-protective of LED lamp.
Description of drawings
Fig. 1 is the utility model schematic block circuit diagram.
In conjunction with accompanying drawing, explanation below doing:
1---holding circuit 2---common-mode circuit
3---rectification circuit 4---high frequency transformer
5---PWM modulates controlling circuit of voltage regulation
6---voltage stabilizing detects feedback circuit 7---+5V current rectifying and wave filtering circuit
8---+12V current rectifying and wave filtering circuit 9---motor output control circuit
10---motor output circuit 11---LED constant-current circuit
12---LED control circuit 13---LED output circuit
The specific embodiment
A kind of ultralow stand-by power consumption range hood control circuit; As shown in Figure 1; Comprise holding circuit 1, common-mode circuit 2, rectification circuit 3, high frequency transformer 4, PWM modulation controlling circuit of voltage regulation 5, voltage stabilizing detect feedback circuit 6 ,+5V current rectifying and wave filtering circuit 7 and+12V current rectifying and wave filtering circuit 8; The AC220V output is electrically connected holding circuit, common-mode circuit, rectification circuit and high frequency transformer successively; High frequency transformer be electrically connected respectively PWM modulation controlling circuit of voltage regulation ,+the 5V current rectifying and wave filtering circuit and+the 12V current rectifying and wave filtering circuit, voltage stabilizing detect feedback circuit be electrically connected on PWM modulation controlling circuit of voltage regulation and+the 5V current rectifying and wave filtering circuit between.Wherein, comprise circuit as prime power input part branch, main as preventing that external power supply from overtension occurring or having when thunderbolt to protect; Common-mode circuit is used to prevent disturb; Rectification circuit is then directly with the AC220V rectifying and wave-filtering and send into high frequency transformer; PWM modulation controlling circuit of voltage regulation is incorporated PWM modulation controlling circuit of voltage regulation into through voltage stabilizing detection feedback circuit detecting DC5V magnitude of voltage and is carried out the adjusting of PWM ratio to reach ultralow stand-by power consumption; The stable voltage of+12V current rectifying and wave filtering circuit output is given electrical appliance; + 5V current rectifying and wave filtering circuit provides stable system power supply.
On above-mentioned+12V current rectifying and wave filtering circuit, also be electrically connected motor output control circuit 9 and motor output circuit 10 successively.
On above-mentioned+12V current rectifying and wave filtering circuit, also be electrically connected LED constant-current circuit 11, the stable voltage of+12V current rectifying and wave filtering circuit output is given the power supply of LED constant-current circuit.
Also establish total control circuit 14 on the above-mentioned ultralow stand-by power consumption range hood control circuit, this total control circuit is electrically connected respectively+5V current rectifying and wave filtering circuit, motor output control circuit and control each circuit.Each output circuit is through the control output corresponding work power supply of total control circuit.
On the above-mentioned ultralow stand-by power consumption range hood control circuit, other is provided with LED control circuit 12 and LED output circuit 13, and this LED control circuit is electrically connected between LED constant-current circuit and the total control circuit, and the LED output circuit is electrically connected on the LED constant-current circuit.The LED constant-current circuit provides the constant current of 3.0-3.5V voltage and 310-350mA, thereby realizes the high bright and energy-conserving and environment-protective of LED lamp.
Claims (5)
1. ultralow stand-by power consumption range hood control circuit; It is characterized in that: it comprise holding circuit (1), common-mode circuit (2), rectification circuit (3), high frequency transformer (4), PWM modulation controlling circuit of voltage regulation (5), voltage stabilizing detect feedback circuit (6) ,+5V current rectifying and wave filtering circuit (7) and+12V current rectifying and wave filtering circuit (8); The AC220V output is electrically connected said holding circuit, common-mode circuit, rectification circuit and high frequency transformer successively; Said high frequency transformer be electrically connected respectively PWM modulation controlling circuit of voltage regulation ,+the 5V current rectifying and wave filtering circuit and+the 12V current rectifying and wave filtering circuit, said voltage stabilizing detect feedback circuit be electrically connected on said PWM modulation controlling circuit of voltage regulation and+the 5V current rectifying and wave filtering circuit between.
2. ultralow stand-by power consumption range hood control circuit according to claim 1 is characterized in that: on said+12V current rectifying and wave filtering circuit, also be electrically connected motor output control circuit (9) and motor output circuit (10) successively.
3. ultralow stand-by power consumption range hood control circuit according to claim 2 is characterized in that: on said+12V current rectifying and wave filtering circuit, also be electrically connected LED constant-current circuit (11).
4. ultralow stand-by power consumption range hood control circuit according to claim 3 is characterized in that: also establish total control circuit (14), and this total control circuit is electrically connected respectively+5V current rectifying and wave filtering circuit, motor output control circuit and control each circuit.
5. ultralow stand-by power consumption range hood control circuit according to claim 4; It is characterized in that: other is provided with LED control circuit (12) and LED output circuit (13); This LED control circuit is electrically connected between said LED constant-current circuit and the total control circuit, and said LED output circuit is electrically connected on the said LED constant-current circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202855491U CN202216308U (en) | 2011-08-08 | 2011-08-08 | Control circuit of range hood with ultralow standby power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202855491U CN202216308U (en) | 2011-08-08 | 2011-08-08 | Control circuit of range hood with ultralow standby power consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202216308U true CN202216308U (en) | 2012-05-09 |
Family
ID=46015560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202855491U Expired - Fee Related CN202216308U (en) | 2011-08-08 | 2011-08-08 | Control circuit of range hood with ultralow standby power consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202216308U (en) |
-
2011
- 2011-08-08 CN CN2011202855491U patent/CN202216308U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20140808 |
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| EXPY | Termination of patent right or utility model |