CN202043330U - Power supply management circuit of lighting system - Google Patents
Power supply management circuit of lighting system Download PDFInfo
- Publication number
- CN202043330U CN202043330U CN2011200719261U CN201120071926U CN202043330U CN 202043330 U CN202043330 U CN 202043330U CN 2011200719261 U CN2011200719261 U CN 2011200719261U CN 201120071926 U CN201120071926 U CN 201120071926U CN 202043330 U CN202043330 U CN 202043330U
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- China
- Prior art keywords
- power supply
- connects
- storage battery
- microprocessor
- power
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- 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.)
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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
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The utility model relates to a power supply management circuit of a lighting system, which is characterized in that a power supply device is provided with an AC/DC (alternating current/direct current) voltage-stabilized power supply, the power supply end of the AC/DC voltage-stabilized power supply is connected with a mains supply, the negative output end of the AC/DC voltage-stabilized power supply is in ground connection, the positive output end of the AC/DC voltage-stabilized power supply is connected with a first movable end of a first transfer switch, the control end of the first transfer switch is connected with a second control end IO2 of a microprocessor, the fixed end of the first transfer switch is connected with the power supply end of a load driving power supply, a second movable end of the first transfer switch is connected with the positive end of a storage battery, and the negative end of the storage battery is in ground connection. The power supply management circuit of the lighting system has the obvious effects that the brightness of a lighting load is automatically controlled according to the indoor light intensity;, the storage battery is switched to supply power when AC is interrupted, so that the lighting load is guaranteed to work continuously; the storage battery can be charged automatically and timely; the working temperature of the storage battery can be monitored in real time to guarantee the working safety; and the remote monitoring and remote on/off control can be realized.
Description
Technical field
The utility model belongs to Lighting Control Assembly, relates to a kind of illuminator electric power management circuit.
Background technology
Advocating the society now of energy-saving and emission-reduction, people are more and more stronger to the consciousness of electrical energy saving.But in public places or in the office system, usually can be because of external natural causes such as the bad weather or the periods that draws in, cause indoor light by bright deepening or secretly become bright process.If close illuminating lamp in advance, just then can cause many ratios of life, work inadequately because of light; If postpone the illuminating lamp shut-in time, then can cause the high wastage of electric weight again.In addition, the illuminating lamp energy-saving control system of using now, or be acoustic control or be light-operated, all exist and promptly open promptly disconnected function, can't regulate illuminator brightness according to real-time light intensity magnitude,, also cause very big difficulty for energy-saving and emission-reduction for people's life has brought inconvenience.
Simultaneously, if meet power failure, need realize power supply automatically by Circuits System in the very first time.
But the shortcoming of prior art is: the cost of existing automatic power system is too high.
The utility model content
The purpose of this utility model provides low, the corresponding fast illuminator electric power management circuit of a kind of cost.
For achieving the above object, a kind of illuminator electric power management circuit described in the utility model, its key is: be provided with microprocessor, the photometry signal input part ADC2 of this microprocessor connects the output of Photometer;
Wherein, Photometer is installed in indoor, is used for light power in the real-time sensing chamber.
The power control end DAC of described microprocessor connects the power control input end VPC of load driving power supply, and the output of this load driving power supply connects load, and the power end of this load driving power supply connects electric supply installation;
The room light strength signal that the microprocessor basis receives, the power output size of control load driving power, and then realization is to the bright strength control of lighting load.
Described electric supply installation is provided with interchange/straight stabilized voltage power supply, the power supply termination civil power of this interchange/straight stabilized voltage power supply, the negative output terminal ground connection of this interchange/straight stabilized voltage power supply, positive output end connects first movable end of first diverter switch, and the control of this first diverter switch meets the second control end IO2 of described microprocessor;
The power end of the described load driving power supply of fixedly termination of described first diverter switch;
Second movable end of described first diverter switch is connected on the anode of storage battery, the negativing ending grounding of this storage battery.
First diverter switch is an either-or switch, and microprocessor is controlled the switching of first diverter switch.When AC power just often, by exchange/straight stabilized voltage power supply powers to the load driving power supply; When AC power is cut off the power supply, power to the load driving power supply by storage battery.Guaranteed that so the load illuminating lamp continues operate as normal.
The anode of described storage battery also connects the battery voltage detection end ADC3 of described microprocessor;
Described microprocessor (the first control end IO1 be connected on the control pin of second diverter switch, the anode of the described storage battery of one termination of this second diverter switch, the other end of second diverter switch is connected on the forward output of battery charger, the negative sense output head grounding of this battery charger, the power supply termination civil power of this battery charger.
Whether microprocessor detects accumulator electric-quantity sufficient, if inadequate, the conducting of microprocessor control second switch,
The power end of described microprocessor is connected on the forward output of DC/DC conversion power supply, the negative sense output head grounding of this DC/DC conversion power supply;
The positive output end of described interchange/straight stabilized voltage power supply connects the positive pole of first diode, and the negative pole of this first diode connects the power end of described DC/DC conversion power supply;
The anode of described storage battery connects the positive pole of second diode in succession, and the negative pole of this second diode connects the power end of described DC/DC conversion power supply.
Civil power just often exchanges/output voltage of straight stabilized voltage power supply is approximately higher than the positive terminal voltage of storage battery, and second diode is ended, and has guaranteed that storage battery can outwards not power.
The civil power test side IO3 of described microprocessor connects the positive output end of described interchange/straight stabilized voltage power supply through last divider resistance, and this civil power test side IO3 is through divider resistance ground connection down.
Whether microprocessor detects interchange/straight stabilized voltage power supply by civil power test side IO3 and cuts off the power supply, if the alternating current outage, then microprocessor is controlled the switching of first switch, changes by storage battery and powers to the load driving power supply, has guaranteed load illuminating lamp operate as normal.
Described Photometer is a photodiode, the plus earth of this photodiode, and negative electrode connects described microprocessor, and this negative electrode connects positive supply after being connected in series the 3rd resistance R 3 again.
The network control end UART of described microprocessor connects master controller through hub.
By network remote monitoring illuminator critical data, and can realize illumination supervision system remote automatic time switch machine is controlled.
Described storage battery is other to be equipped with thermistor, this thermistor one end ground connection, and the other end connects positive supply after being connected in series first resistance (R1), the temperature signal input ADC1 of the described microprocessor of public termination of the described thermistor and first resistance.
Thermistor is installed in the position near storage battery, is used to monitor the working temperature of storage battery, if battery temp is too high, then in time temperature signal is exported to microprocessor, has in time ensured the storage battery power supply work safety.
Remarkable result of the present utility model is: can be according to the strong and weak control automatically of indoor light lighting load brightness size, electrical energy saving cost; Can can't switch to storage battery direct current supply under the situation of normal power supply in AC power, guarantee the lighting load continuous firing; Can in time be charge in batteries automatically; Can monitor the battery-operated temperature in real time, guarantee work safety; The AC power outage can guarantee the microprocessor continuous firing of not cutting off the power supply moment; Can realize the control of remote monitoring and remote on-off.
Description of drawings
Fig. 1 is the circuit block diagram of illuminator;
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1, a kind of illuminator electric power management circuit is provided with microprocessor U1, and the photometry signal input part ADC2 of this microprocessor U1 connects the output of Photometer D3;
The power control end DAC of described microprocessor U1 connects the power control input end VPC of load driving power supply DC/DC1, and the output of this load driving power supply DC/DC1 connects load, and the power end of this load driving power supply DC/DC1 connects electric supply installation;
Described electric supply installation is provided with interchange/straight stabilized voltage power supply AC/DC, the power supply termination civil power of this interchange/straight stabilized voltage power supply AC/DC, the negative output terminal ground connection of this interchange/straight stabilized voltage power supply AC/DC, positive output end connects first movable end of the first diverter switch SW1, and the control of this first diverter switch SW1 meets the second control end IO2 of described microprocessor U1;
The power end of the described load driving power supply of the fixedly termination DC/DC1 of described first diverter switch;
Second movable end of the described first diverter switch SW1 is connected on the anode of storage battery BAT, the negativing ending grounding of this storage battery BAT.
The anode of described storage battery BAT also connects the battery voltage detection end ADC3 of described microprocessor U1;
The first control end IO1 of described microprocessor U1 is connected on the control pin of the second diverter switch SW2, the anode of the described storage battery BAT of a termination of this second diverter switch SW2, the other end of the second diverter switch SW2 is connected on the forward output of battery charger CHG, the negative sense output head grounding of this battery charger CHG, the power supply termination civil power of this battery charger CHG.
The power end of described microprocessor U1 is connected on the forward output of DC/DC conversion power supply DC/DC2, the negative sense output head grounding of this DC/DC conversion power supply DC/DC2;
The positive output end of described interchange/straight stabilized voltage power supply AC/DC connects the positive pole of the first diode D1, and the negative pole of this first diode D1 connects the power end of described DC/DC conversion power supply DC/DC2;
The anode of described storage battery BAT connects the positive pole of the second diode D2 in succession, and the negative pole of this second diode D2 connects the power end of described DC/DC conversion power supply DC/DC2.
The civil power test side IO3 of described microprocessor connects the positive output end of described interchange/straight stabilized voltage power supply AC/DC through last divider resistance R4, and this civil power test side IO3 is through divider resistance R5 ground connection down.
Described Photometer D3 is a photodiode, the plus earth of this photodiode, and negative electrode meets described microprocessor U1, and this negative electrode connects positive supply after being connected in series the 3rd resistance R 3 again.
As shown in Figure 1, the network control end UART of described microprocessor connects master controller through hub.
As shown in Figure 2, the other thermistor R2 that is equipped with of described storage battery BAT, this thermistor R2 one end ground connection, the other end connects positive supply after being connected in series first resistance R 1, the temperature signal input ADC1 of the described microprocessor U1 of public termination of the described thermistor R2 and first resistance R 1.
Its operation principle is as follows: the indoor light size of Photometer D3 monitoring in real time, and luminance signal is transferred to microprocessor U1,, and then realize adjusting automatically according to the strong and weak control load driving power of current room brilliancy DC/DC1 power output by microprocessor U1 to the light of load illuminating lamp is strong and weak.When the AC power normal power supply, power to load driving power supply DC/DC1 by interchange/straight stabilized voltage power supply AC/DC; When microprocessor U1 detected the AC power outage, microprocessor U1 controlled first switch SW 1 and switches, and is powered to load driving power supply DC/DC1 by storage battery BAT.When the AC power normal power supply, if microprocessor U1 detects storage battery BAT electric weight deficiency, then microprocessor U1 controls second switch SW2 closure, and battery charger CHG charges to storage battery BAT.
Claims (7)
1. an illuminator electric power management circuit is characterized in that: be provided with microprocessor (U1), the output of the photometry signal input part ADC2 connection Photometer (D3) of this microprocessor (U1);
The power control end DAC of described microprocessor (U1) connects the power control input end VPC of load driving power supply (DC/DC1), the output of this load driving power supply (DC/DC1) connects load, and the power end of this load driving power supply (DC/DC1) connects electric supply installation;
Described electric supply installation is provided with interchange/straight stabilized voltage power supply (AC/DC), the power supply termination civil power of this interchange/straight stabilized voltage power supply (AC/DC), the negative output terminal ground connection of this interchange/straight stabilized voltage power supply (AC/DC), positive output end connects first movable end of first diverter switch (SW1), and the control of this first diverter switch (SW1) meets the second control end IO2 of described microprocessor (U1);
The power end of the described load driving power supply of the fixedly termination of described first diverter switch (SW1) (DC/DC1);
Second movable end of described first diverter switch (SW1) is connected on the anode of storage battery (BAT), the negativing ending grounding of this storage battery (BAT).
2. illuminator electric power management circuit according to claim 1 is characterized in that: the anode of described storage battery (BAT) also connects the battery voltage detection end ADC3 of described microprocessor (U1);
The first control end IO1 of described microprocessor (U1) is connected on the control pin of second diverter switch (SW2), the anode of the described storage battery of one termination (BAT) of this second diverter switch (SW2), the other end of second diverter switch (SW2) is connected on the forward output of battery charger (CHG), the negative sense output head grounding of this battery charger (CHG), the power supply termination civil power of this battery charger (CHG).
3. illuminator electric power management circuit according to claim 1, it is characterized in that: the power end of described microprocessor (U1) is connected on the forward output of DC/DC conversion power supply (DC/DC2), the negative sense output head grounding of this DC/DC conversion power supply (DC/DC2);
The positive output end of described interchange/straight stabilized voltage power supply (AC/DC) connects the positive pole of first diode (D1), and the negative pole of this first diode (D1) connects the power end of described DC/DC conversion power supply (DC/DC2);
The anode of described storage battery (BAT) connects the positive pole of second diode (D2) in succession, and the negative pole of this second diode (D2) connects the power end of described DC/DC conversion power supply (DC/DC2).
4. illuminator electric power management circuit according to claim 1, it is characterized in that: the civil power test side IO3 of described microprocessor (U1) connects the positive output end of described interchange/straight stabilized voltage power supply (AC/DC) through last divider resistance (R4), and this civil power test side IO3 is through divider resistance (R5) ground connection down.
5. illuminator electric power management circuit according to claim 1, it is characterized in that: described Photometer (D3) is a photodiode, the plus earth of this photodiode, and negative electrode connects described microprocessor (U1), this negative electrode connects positive supply after being connected in series the 3rd resistance (R3) again.
6. illuminator electric power management circuit according to claim 1 is characterized in that: the network control end UART of described microprocessor (U1) connects master controller through hub.
7. illuminator electric power management circuit according to claim 1, it is characterized in that: the other thermistor (R2) that is equipped with of described storage battery (BAT), this thermistor (R2) end ground connection, the other end connects positive supply after being connected in series first resistance (R1), the temperature signal input ADC1 of the described microprocessor of public termination (U1) of described thermistor (R2) and first resistance (R1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200719261U CN202043330U (en) | 2011-03-18 | 2011-03-18 | Power supply management circuit of lighting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200719261U CN202043330U (en) | 2011-03-18 | 2011-03-18 | Power supply management circuit of lighting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202043330U true CN202043330U (en) | 2011-11-16 |
Family
ID=44970755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200719261U Expired - Fee Related CN202043330U (en) | 2011-03-18 | 2011-03-18 | Power supply management circuit of lighting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202043330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756021A (en) * | 2017-11-07 | 2019-05-14 | 广东美的生活电器制造有限公司 | Power-supplying circuit and electrical equipment |
-
2011
- 2011-03-18 CN CN2011200719261U patent/CN202043330U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109756021A (en) * | 2017-11-07 | 2019-05-14 | 广东美的生活电器制造有限公司 | Power-supplying circuit and electrical equipment |
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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: 20111116 Termination date: 20180318 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |