CN201994693U - Emergency supply circuit for direct current fan and lamp - Google Patents
Emergency supply circuit for direct current fan and lamp Download PDFInfo
- Publication number
- CN201994693U CN201994693U CN2011200426557U CN201120042655U CN201994693U CN 201994693 U CN201994693 U CN 201994693U CN 2011200426557 U CN2011200426557 U CN 2011200426557U CN 201120042655 U CN201120042655 U CN 201120042655U CN 201994693 U CN201994693 U CN 201994693U
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Abstract
The utility model discloses an emergency supply circuit for a direct current fan and a lamp, which comprises a remote signal receiving circuit, a lamp load driving circuit, a fan load driving circuit, micro programmed control unit (MCU) control circuits, an alternating current to direct current (AC/DC) switch power supply circuit and a rechargeable battery. The MCU control circuits are connected with the remote signal receiving circuit, the lamp load driving circuit and the fan load driving circuit. The input end of the AC/DC switch power supply circuit is connected with an alternating current power supply, a battery recharging circuit is connected between the output end of the AC/DC switch power supply circuit and a positive pole of the rechargeable battery in series to form a recharging return circuit. A DC power supply and battery power supply commutation circuit is connected between the output end of the AC/DC switch power supply circuit and the positive pole of the rechargeable battery, the output end of the DC power supply and battery power supply commutation circuit is connected with the power supply input end of the MCU control circuits. The emergency supply circuit is characterized by being simple in structure, capable of working when power is cut off or no alternating current power supply is input and the like.
Description
[technical field]
The utility model relates to the emergency supply circuit of a kind of DC fan and lamp.
[background technology]
At present, Lamp with ceiling fan becomes a kind of product that people like, the plug with product during use is connected with domestic power supply, and the power circuit of Lamp with ceiling fan internal controller will convert AC power to DC power supply like this, is the entire product power supply.The shortcoming of existing product is: when power failure or the input of product AC-less power, entire product just can not be worked, and uses extremely inconvenience.Be necessary to develop a kind of new Lamp with ceiling fan for this reason.
[utility model content]
The utility model has overcome the deficiency of above-mentioned technology, provides a kind of simple in structure, also workable Lamp with ceiling fan remote controller when power failure or AC-less power input.
For solving the above problems, the utility model adopts following technical scheme:
The emergency supply circuit of a kind of DC fan and lamp, comprise remote signal receiving circuit G, lamp load drive circuit J, fan load drive circuit I, and the MCU control circuit H of their connections, also include AC/DC switching power circuit A-B and rechargeable battery C, the input termination AC power of described AC/DC switching power circuit A-B, between the output of AC/DC switching power circuit A-B and rechargeable battery C positive pole, be serially connected with battery charger F and form charge circuit, be connected with DC power supply and powered battery commutation circuit D between the output of AC/DC switching power circuit A-B and rechargeable battery C positive pole, described DC power supply is connected with the power supply input of MCU control circuit H with the output of powered battery commutation circuit D.
Between the power supply input of the output of described DC power supply and powered battery commutation circuit D and MCU control circuit H, also be connected with decompression voltage regulator E.
Described DC power supply comprises relay R E1 with powered battery commutation circuit D, and coil one end of this relay R E1 is connected other end ground connection with the output of AC/DC switching power circuit A-B; The fixed contact of relay R E1 is connected with the output of AC/DC switching power circuit A-B, and another fixed contact of relay R E1 is connected with rechargeable battery C is anodal.
The beneficial effects of the utility model are: as long as the input of AC electricity is arranged, will be directly switch to the AC/DC power supply here, by the AC/DC Switching Power Supply to entire controller and electric, when no AC is electric, will be directly switch to powered battery here, by battery to entire controller and electric.Therefore, when power failure or AC-less power input, can both work, easy to use, unrestricted.
[description of drawings]
Fig. 1 is a block diagram of the present utility model;
Fig. 2 is circuit theory diagrams one of the present utility model;
Fig. 3 is circuit theory diagrams two of the present utility model.
[embodiment]
As Figure 1-3, the emergency supply circuit of a kind of DC fan and lamp, comprise remote signal receiving circuit G, lamp load drive circuit J, fan load drive circuit I, and the MCU control circuit H of their connections, also include AC/DC switching power circuit A-B and rechargeable battery C, the input termination AC power of described AC/DC switching power circuit A-B, between the output of AC/DC switching power circuit A-B and rechargeable battery C positive pole, be serially connected with battery charger F and form charge circuit, be connected with DC power supply and powered battery commutation circuit D between the output of AC/DC switching power circuit A-B and rechargeable battery C positive pole, described DC power supply is connected with the power supply input of MCU control circuit H with the output of powered battery commutation circuit D.
Described AC/DC switching power circuit A-B directly is converted to stable DC power supply output to AC power supplies.When rechargeable battery C was under-voltage, AC/DC switching power circuit A-B was rechargeable battery C charging by battery charger F.Powered battery commutation circuit D is a switching selecting circuit, as long as the input of AC electricity is arranged, will be directly switch to the AC/DC power supply here, by the AC/DC Switching Power Supply to entire controller and electric, when no AC is electric, will be directly switch to powered battery here, by battery to entire controller and electric.Remote signal receiving circuit G is that signal receives module, and the signal of Jie Shouing passes to MCU and does relevant action thus.MCU control circuit H is used for receiving control lamp load and fan load driving circuits after the signal processing that module receives from signal; The fan load drive circuit is used to control dc brushless motor, and its power supply is from DC power supply and powered battery commutation circuit; The lamp load drive circuit is used to control lamp plate, and its power supply is from DC power supply and powered battery commutation circuit;
Between the power supply input of the output of described DC power supply and powered battery commutation circuit D and MCU control circuit H, also be connected with decompression voltage regulator E.
Described DC power supply comprises relay R E1 with powered battery commutation circuit D, and coil one end of this relay R E1 is connected other end ground connection with the output of AC/DC switching power circuit A-B; The fixed contact of relay R E1 is connected with the output of AC/DC switching power circuit A-B, and another fixed contact of relay R E1 is connected with rechargeable battery C is anodal.
Described battery charger F includes 2 triodes and the comparator that connects together.
Described MCU control circuit H includes a MCU control chip U7.
Decompression voltage regulator E includes series connection 2 lowering and stabilizing blood pressure chips together.
When connecting the AC electricity, switching power circuit A-B transfers the AC electricity to stable DC power supply output, to the entire circuit power supply simultaneously, and when battery is under-voltage, the DC power supply charges the battery by battery charger F, and this supply power mode is controlled with powered battery commutation circuit D by the DC power supply; Power through giving MCU control circuit H and remote signal receiving circuit G after the voltage stabilizing through the direct current that commutation circuit D comes out; When receiving module G, signal receives remote signal, convey to MCU, after treatment, control lamp load drive circuit I and fan load drive circuit J work, and the power supply of lamp load and the fan load power supply that all switches out from DC power supply and powered battery commutation circuit D.
Claims (6)
1. the emergency supply circuit of DC fan and lamp, comprise remote signal receiving circuit (G), lamp load drive circuit (J), fan load drive circuit (I), and the MCU control circuit (H) of their connections, it is characterized in that, also include AC/DC switching power circuit (A-B) and rechargeable battery (C), the input termination AC power of described AC/DC switching power circuit (A-B), between the output of AC/DC switching power circuit (A-B) and rechargeable battery (C) positive pole, be serially connected with battery charger (F) and form charge circuit, be connected with DC power supply and powered battery commutation circuit (D) between the output of AC/DC switching power circuit (A-B) and rechargeable battery (C) positive pole, described DC power supply is connected with the power supply input of MCU control circuit (H) with the output of powered battery commutation circuit (D).
2. the emergency supply circuit of a kind of DC fan according to claim 1 and lamp is characterized in that: also be connected with decompression voltage regulator (E) between the power supply input of the output of described DC power supply and powered battery commutation circuit (D) and MCU control circuit (H).
3. the emergency supply circuit of a kind of DC fan according to claim 1 and 2 and lamp, it is characterized in that: described DC power supply comprises relay (RE1) with powered battery commutation circuit (D), coil one end of this relay (RE1) is connected other end ground connection with the output of AC/DC switching power circuit (A-B); One fixed contact of relay (RE1) is connected with the output of AC/DC switching power circuit (A-B), and another fixed contact of relay (RE1) is connected with rechargeable battery (C) is anodal.
4. the emergency supply circuit of a kind of DC fan according to claim 1 and lamp is characterized in that described battery charger (F) includes 2 triodes and the comparator that connects together.
5. the emergency supply circuit of a kind of DC fan according to claim 1 and lamp is characterized in that: described MCU control circuit (H) includes a MCU control chip (U7).
6. the emergency supply circuit of a kind of DC fan according to claim 2 and lamp is characterized in that: decompression voltage regulator (E) includes series connection 2 lowering and stabilizing blood pressure chips together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200426557U CN201994693U (en) | 2011-02-19 | 2011-02-19 | Emergency supply circuit for direct current fan and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200426557U CN201994693U (en) | 2011-02-19 | 2011-02-19 | Emergency supply circuit for direct current fan and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201994693U true CN201994693U (en) | 2011-09-28 |
Family
ID=44671168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200426557U Expired - Lifetime CN201994693U (en) | 2011-02-19 | 2011-02-19 | Emergency supply circuit for direct current fan and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201994693U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015014088A1 (en) * | 2013-07-30 | 2015-02-05 | Yuan Jun Kang | Direct-current family power supply system |
| CN105282914A (en) * | 2014-07-18 | 2016-01-27 | 松下知识产权经营株式会社 | Switching equipment and load control system comprising the same |
| CN105306028A (en) * | 2014-07-18 | 2016-02-03 | 松下知识产权经营株式会社 | Switchgear |
| CN105978416A (en) * | 2016-06-21 | 2016-09-28 | 卫星电子（中山）有限公司 | Hall-free ceiling fan motor controller and starting method thereof |
| US9762059B2 (en) | 2014-05-14 | 2017-09-12 | Delta Electronics, Inc. | Fan system and voltage stabilizing module for multi power source input |
-
2011
- 2011-02-19 CN CN2011200426557U patent/CN201994693U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015014088A1 (en) * | 2013-07-30 | 2015-02-05 | Yuan Jun Kang | Direct-current family power supply system |
| US9762059B2 (en) | 2014-05-14 | 2017-09-12 | Delta Electronics, Inc. | Fan system and voltage stabilizing module for multi power source input |
| CN105282914A (en) * | 2014-07-18 | 2016-01-27 | 松下知识产权经营株式会社 | Switching equipment and load control system comprising the same |
| CN105306028A (en) * | 2014-07-18 | 2016-02-03 | 松下知识产权经营株式会社 | Switchgear |
| CN105306028B (en) * | 2014-07-18 | 2018-11-09 | 松下知识产权经营株式会社 | Switchgear |
| CN105978416A (en) * | 2016-06-21 | 2016-09-28 | 卫星电子（中山）有限公司 | Hall-free ceiling fan motor controller and starting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110928 |