CN205305178U - Light-adjustable controller with backup power supply for LED lamp - Google Patents

Abstract

A dimmable controller with backup power supply for LED lamps, including CC-CV control circuit, battery charge and discharge protection circuit, battery, charging status display module, UPS digital detection control circuit, LED dimming circuit; the UPS digital detection control circuit is respectively connected with CC-CV control circuit, battery charge and discharge protection circuit, battery, LED dimming circuit, CC-CV control circuit, battery charge and discharge circuit, battery, charging status display module are connected in sequence; battery charge and discharge protection circuit, battery, charging status display module and UPS digital detection control circuit constitute UPS uninterruptible power supply; CC-CV control circuit is provided with power input terminal, LED dimming circuit includes LED driving circuit and dimming circuit, which is provided with positive and negative output terminals for electrical connection with LED light source. The controller of the utility model has mobile use function, can be used with a variety of LED light sources, such as LED bulbs, LED portable lamps, LED lighting lamps, LED emergency lamps, etc., and also has emergency lighting function, conventional lighting function and brightness memory function when turning off the light.

Description

A dimmable controller with backup power supply for LED lights

technical field

The utility model relates to a dimmable controller with a backup power supply for an LED lamp.

Background technique

Compared with incandescent lamps with the same brightness, LED bulbs can save 80% of the electric energy. The theoretical life of LEDs can reach 100,000 hours, which is dozens of times that of incandescent lamps. In recent years, polymer lithium batteries with particularly good safety have begun to be popularized and applied in various fields. The use of emergency LED bulbs with backup power will be the development direction of emergency lighting circuits.

Utility model content

The purpose of this utility model is to provide a simple design, reasonable structure, driven by UPS digital detection control circuit, and can indicate the charging state of the battery, adjust the brightness of the LED light source, and realize the function of closing the memory. A dimmable controller to overcome the deficiencies in the prior art.

A dimmable controller with a backup power supply for LED lamps designed according to this purpose is characterized in that the controller includes a CC-CV control circuit, a battery charge and discharge protection circuit, a battery, a charging state display module, and a UPS digital detection control circuit, LED dimming circuit; the UPS digital detection control circuit is respectively connected with CC-CV control circuit, battery charge and discharge protection circuit, battery, LED dimming circuit, CC-CV control circuit, battery charge and discharge circuit, battery, charging The status display modules are connected in sequence; the battery charge and discharge protection circuit, the battery, the charging status display module and the UPS digital detection control circuit constitute the UPS uninterruptible power supply; the CC-CV control circuit is provided with a power input terminal, and the LED dimming circuit includes LED drive circuits and The dimming circuit is provided with positive and negative output terminals for electrical connection with the LED light source.

The CC-CV control circuit includes a rectification filter circuit, a transformer T1 and an IC1 for constant current and constant voltage control.

Described UPS digital detection control circuit comprises the IC2 that is used to detect whether there is electricity in the mains, whether the mains is on or off, opening and closing the emergency lighting function, opening and closing the temporary lighting function, and closing the memory function. IC2 is composed of 6 NOT gates. The A-B point of the input terminal of the neutral gate of IC2 is electrically connected to one end connected to the mains power through the diode D1 and the resistor R1, and the GND terminal in the circuit is connected to the other end of the mains power through the resistor R2.

The 6 NOT gates of IC2 include IC2-1, IC2-2, IC2-3, IC2-4, IC2-5 and IC2-6; IC2-6 is connected to transistor Q1, so as to push the LED light source to turn on and realize the turn on / Brightness memory function when turning off, dimming, and turning off the light.

The battery charging and discharging protection circuit and charging state display module include IC3 for charging and discharging the battery and displaying the charging state of the battery.

The charging state display module also includes an indicator LED1 for displaying that the battery is being charged, and an indicator LED2 for displaying that the battery is fully charged.

The battery is a lithium polymer battery.

The utility model has the following beneficial effects:

Through the technical solutions adopted above, the controller has the function of mobile use, and can be used with a variety of LED light sources, such as LED bulbs, LED portable lights, LED lights, LED emergency lights, etc., and also has emergency lighting functions, conventional lighting function and the brightness memory function when the light is turned off, which can remember the adjusted brightness when it was turned off last time, and realize the automatic switching of the above functions; the LED dimming circuit can adjust the brightness of the LED light source to meet the use requirements.

The controller has a simple structure and uses a lithium polymer battery, which has the advantages of small size, large power, and long battery life; the CC-CV control circuit can provide stable power output, and has the advantages of long life, low cost, and low calorific value. The advantages; the battery charge and discharge protection circuit can well protect the charge and discharge of lithium polymer batteries to improve the service life of the battery, and display the charging status of the battery through the indicator light; the UPS digital detection control circuit can detect whether the mains power is available in real time It can meet the requirements of uninterrupted power supply or backup power supply.

Description of drawings

Fig. 1 is a schematic structural diagram of a controller according to an embodiment of the present invention.

Fig. 2 is a schematic circuit diagram of a controller according to an embodiment of the present invention.

Fig. 3 is a functional block diagram of a controller in an embodiment of the present invention.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Referring to Fig. 1-Fig. 3, the dimmable controller with backup power supply for LED lights is characterized in that the controller includes CC-CV control circuit, battery charge and discharge protection circuit, battery, charging state display module, UPS digital detection Control circuit, LED dimming circuit; the UPS digital detection control circuit is respectively connected with CC-CV control circuit, battery charging and discharging protection circuit, battery, LED dimming circuit, CC-CV control circuit, battery charging and discharging circuit, battery, The charging status display module is connected sequentially; the battery charge and discharge protection circuit, the battery, the charging status display module and the UPS digital detection control circuit constitute the UPS uninterruptible power supply; the CC-CV control circuit is provided with a power input terminal, and the LED dimming circuit includes an LED drive circuit And a dimming circuit, which is provided with positive and negative output terminals for electrical connection with the LED light source.

The CC-CV control circuit includes a rectification filter circuit, a transformer T1 and an IC1 for constant current and constant voltage control.

Described UPS digital detection control circuit comprises the IC2 that is used to detect whether there is electricity in the mains, whether the mains is on or off, opening and closing the emergency lighting function, opening and closing the temporary lighting function, and closing the memory function. IC2 is composed of 6 NOT gates. The A-B point of the input terminal of the neutral gate of IC2 is electrically connected to one end connected to the mains power through the diode D1 and the resistor R1, and the GND terminal in the circuit is connected to the other end of the mains power through the resistor R2.

The 6 NOT gates of IC2 include IC2-1, IC2-2, IC2-3, IC2-4, IC2-5 and IC2-6; IC2-6 is connected to transistor Q1, so as to push the LED light source to turn on and realize the turn on / Brightness memory function when turning off, dimming, and turning off the light.

The battery charging and discharging protection circuit and charging state display module include IC3 for charging and discharging the battery and displaying the charging state of the battery.

The charging state display module also includes an indicator LED1 for displaying that the battery is being charged, and an indicator LED2 for displaying that the battery is fully charged.

The battery is a lithium polymer battery.

The input end of the rectification filter circuit is connected to the mains, and the output end is electrically connected to the primary winding group of the transformer T1 and IC1 to form a CC-CV control circuit, which converts the mains into a DC5V2A DC power supply (transformer T1's Secondary winding group output), 5V DC VCC enters pin 1 of IC3 for battery charge and discharge protection circuit and charging status display module, one end of the LED light source is connected to VCC, and the other end is connected to Q1, when Q1 is turned on, the LED emitter is driven The light source is turned on. The input terminal of the CC-CV control circuit can meet the wide voltage input of 85-265VAC, and the power supply voltage after rectification output is 5-36VDC.

The UPS digital detection control circuit includes IC2 for detecting whether there is electricity in the mains, whether the mains is on or off, opening and closing the emergency lighting function, opening and closing the temporary lighting function, and closing the memory function. IC2 is composed of 6 NOT gates. In this circuit, IC2 Point A-B of the input end of the NOT gate is electrically connected to one end connected to the mains power through a diode D1 and a resistor R1, and the GND end in the circuit is connected to the other end of the mains power through a resistor R2. The 6 NOT gates of IC2 include IC2-1, IC2-2, IC2-3, IC2-4, IC2-5 and IC2-6; IC2-6 is connected to the transistor Q1, so as to drive the LED light source to turn on and meet the LED dimming function , and realize the brightness memory function when turning on/off, dimming, and turning off the light.

After the 5V power supply enters the first pin of IC3, the charging current is adjusted through the output connection resistor R14 of the third pin, and the fourth pin is the output of the charging power supply, and the output current directly enters the VCC terminal of the battery. When the battery is lower than 4.2V, IC3 is automatically turned on. Charging, IC3 pin 4 transmits power to the battery VCC terminal, when the battery terminal power reaches 4.2V, the charging circuit stops charging. The charging status display module displays whether the battery is fully charged, IC3 pin 2 is connected to indicator light LED1, and pin 6 is connected to indicator light LED2. When charging, pin 2 of IC3 has a high level output, and the indicator LED1 is on; when fully charged, the high level of pin 2 of IC3 becomes low level, and the low level of pin 6 becomes high level, and the indicator LED2 Lights up to indicate that the battery is fully charged. When the mains power is available, the battery charge and discharge protection circuit self-checks whether the battery is fully charged, so that the battery power is in an optimal state to ensure the service life of the battery.

Points A and B are respectively connected to the two extremes of the LED light source; LED dimming is accomplished by IC2-6, and there are two ways to adjust the brightness: 1. When using without AC (that is, in emergency use), use human body or metal Objects touch each other on point A-B. The length of time and number of touches are different, and the lamp will automatically appear on and off and automatically adjust the brightness. 2. With the AC switch connected to the lamp (that is, when it is normally energized and used), the lamp will automatically appear on and off and automatically adjust the brightness through different times of on/off time.

When the UPS digital detection control circuit detects that the mains is powered, the emergency lighting function and the temporary lighting function are turned off. At this time, the LED light source can be controlled by turning on and off the control switch set on the mains. opening and closing.

When the UPS digital detection control circuit detects that there is no electricity, the emergency lighting function and the temporary lighting function are turned on; Loop bonding, that is, IC2 judges that point A changes from 1 to 0, the output terminal of IC2-5 changes from 0 to 1, and the output of IC2-5 is sent to IC2-6 and the LED dimming circuit, and the triode connected to the LED dimming circuit Q1 pushes the LED light-emitting source to turn on; otherwise, the LED light-emitting source is turned off; thus the utility model has a flashlight function, an emergency lighting function, a conventional lighting function and a shutdown memory, and the above functions can be switched automatically. The brightness memory function can memorize the brightness when it was turned off last time.

What is disclosed above is only the preferred embodiment of the present utility model, and of course the scope of rights of the present utility model cannot be limited with this. Therefore, the equivalent changes made according to the patent scope of the utility model still belong to the scope covered by the utility model .

Claims (7)

1. the LED tunable optical controller of band backup power source, it is characterised in that, controller comprises CC-CV pilot circuit, battery charge/discharge protection circuit, battery, charging state display module, UPS digital detection pilot circuit, LED light adjusting circuit; Described UPS digital detection pilot circuit is connected with CC-CV pilot circuit, battery charge/discharge protection circuit, battery, LED light adjusting circuit respectively, and CC-CV pilot circuit, battery charging and discharging road, battery, charging state display module connect successively; Battery charge/discharge protection circuit, battery, charging state display module and UPS digital detection pilot circuit form UPS uninterruptible power supply; CC-CV pilot circuit is provided with power input, and LED light adjusting circuit comprises LED drive circuit and light adjusting circuit, and it is provided with the positive and negative output terminal for being electrically connected with LED luminous source.

2. the LED tunable optical controller of band backup power source according to claim 1, it is characterised in that: described CC-CV pilot circuit comprises current rectifying and wave filtering circuit, transformer T1 and the IC1 for constant current, Isobarically Control.

3. the LED tunable optical controller of band backup power source according to claim 1, it is characterized in that: described UPS digital detection pilot circuit comprises for detecting whether city's electricity has electricity, city's electricity break-make, opens and closes function of emergency illumination, opens and closes temporary lighting function, closes the IC2 of memory function, IC2 is made up of 6 non-doors, in this circuit, the A-B point of the non-door input terminus of IC2 is through diode D1, resistance R1 and one end electrical connection being connected city's electricity, and in circuit, GND end is connected through the other end of resistance R2 with city's electricity.

4. the LED tunable optical controller of band backup power source according to claim 3, it is characterised in that: 6 non-doors of described IC2 comprise IC2-1, IC2-2, IC2-3, IC2-4, IC2-5 and IC2-6; IC2-6 connecting triode Q1, thus promote LED luminous source to open, and brightness memory function when realizing On/Off, light modulation, turn off the light.

5. the LED tunable optical controller of band backup power source according to claim 1, it is characterised in that: described battery charge/discharge protection circuit and charging state display module comprise the discharge and recharge for battery and the IC3 battery charging state display.

6. the LED tunable optical controller of band backup power source according to claim 1 or 5, it is characterised in that: described charging state display module also comprises pilot lamp LED1, the display fully charged pilot lamp LED2 of battery that display battery is charging.

7. the LED tunable optical controller of band backup power source according to claim 1, it is characterised in that: described battery is lithium polymer battery.