DE202017100363U1 - LED control unit with Bluetooth - Google Patents

Abstract

LED control unit with Bluetooth, characterized in that it comprises: - a mobile terminal for issuing an operation and control command; and a Bluetooth control module that performs wireless communication with the mobile terminal to convert and output a service and control command transmitted from the mobile terminal into a control signal; and a driver circuit connected to an output terminal of the control module with Bluetooth for performing a power on or off control for a control signal provided by the control module with Bluetooth.

Description

Technical area

The present invention relates to an LED control device with Bluetooth.

State of the art

Due to a variety of shapes and flashing light, the LED string lights have a lighting and decoration effect at night, and are also the first choice for improving the atmosphere. In order to enhance the decorative effect of the fairy lights, several Blickbirnen are usually arranged at a distance from each other on the fairy lights, so that the entire fairy lights has a flashing dynamic effect. If the spectacles available on the market are switched directly in rows on a string of lights, an unstable blinking of the entire string of lights is effected, thereby impairing the ordinary illumination of the other light bodies and the appearance, so that the expected effect can not be realized. In addition, the flash bulb device has a higher power consumption, and the current has a larger change, thereby affecting safety.

At present, an LED lamp has been developed with several light modes in the market, in which a driver circuit their light mode is controlled, however, the currently existing driver circuit realized via a key switch a control for the light mode, in today's intelligent time, the control and display of LED light not sufficiently intelligent.

Disclosure of the invention

In view of the above-described technical problems, an object of the present invention is to provide a Bluetooth LED controller, thereby, the present invention can improve the intelligent degree of driving of the LED lamp, so that the operation and driving process more enjoy can offer.

• – ein mobiles Endgerät zum Ausgeben eines Bedienungs- und Ansteuerungsbefehls; und
• – ein Steuermodul mit Bluetooth, welches eine drahtlose Kommunikation mit dem mobilen Endgerät durchführt, um einen vom mobilen Endgerät übertragenen Bedienungs- und Ansteuerungsbefehl in ein Steuersignal umzuwandeln und auszugeben; und
• – eine an einen Ausgangsanschluss des Steuermoduls mit Bluetooth angeschlossene Treiberschaltung, um eine Anschaltungs- oder Abschaltungssteuerung für ein durch das Steuermodul mit Bluetooth zur Verfügung gestelltes Steuersignal durchzuführen.

In order to solve the above technical problems, the present invention uses the following technical solution:
a Bluetooth LED controller comprising:

• A mobile terminal for issuing an operation and control command; and
• A control module with Bluetooth that performs wireless communication with the mobile terminal to convert and output a control and drive command transmitted from the mobile terminal into a control signal; and
• A driver circuit connected to an output terminal of the control module with Bluetooth for performing a connection or disconnection control for a control signal provided by the control module with Bluetooth.

The present invention has the following features: by means of a wireless communication module, the control module with Bluetooth performs a wireless communication connection with a mobile terminal (smartphone), receives a control signal output by the mobile terminal and after internal processing issues a corresponding control signal to the output terminal, in the case without connection of a mobile terminal is an automatic operation based on a preset mode; the control module with Bluetooth is further responsible for the realization of a timing and memory function; by briefly pressing the button switch, the output mode can also be changed so that the LED light chain indicates different lighting effects; a long press on the key switch will reset the connection password.

Short description of the drawing

1 shows a block diagram of the LED controller with Bluetooth.

2 shows a circuit diagram of the first embodiment according to 1 ,

3 shows a schematic representation of a to the output terminal of the first embodiment ( 2 ) connected first load.

4 shows a schematic representation of a to the output terminal of the second embodiment ( 5 ) connected second load.

5 shows a circuit diagram of the second embodiment according to 1 ,

Detailed description of the embodiments

In the context of figures and detailed embodiments, the present invention will be explained in more detail below.

Related to the large structure, the Bluetooth LED controller according to the present invention has at least two embodiments, in one embodiment, it is an internal DC power supply (as in FIG 1 shown), while the internal DC power supply can both one inside the control unit integrated battery as well as a DC power supply converting the AC power to the DC power and then outputting it (as in 2 shown), in the other embodiment is an external DC power supply, for. For example, the output terminal of an AC-to-AC converter connected to the AC outlet is connected to the controller of the present invention to supply the present invention with the required DC power, the external form may also be a battery. With an embodiment with the internal DC power supply, the present invention will be explained, the details are as follows:
please refer 1 to 2 a Bluetooth LED controller according to the present invention, comprising a DC power supply 1 for outputting a DC voltage, a mobile terminal for outputting an operation and drive command, a control module with Bluetooth, and a driver circuit;
please refer 1 and 2 , the DC power supply is a battery or a switch power supply, in the present embodiment, a switch power supply is used. The switch power supply includes a rectifier filter circuit, a voltage converter circuit, and a switch control circuit. The DC power supply includes a rectifier filter circuit, a voltage converter circuit, and a switch control circuit, wherein an output terminal of the rectifier filter circuit is electrically connected to the voltage converter circuit, and the switch control circuit is electrically connected to the rectifier filter circuit and the voltage converter circuit, respectively. Please refer 2 , the output terminal of the rectifier filter circuit is electrically connected to the voltage converter circuit, wherein the rectifier filter circuit comprises a rectifier chip BD1, a ninth resistor R9, a tenth resistor R10, a first inductor L1, a second inductor L2, a first capacitor C1, a second Capacitor C2, a third resistor R3A and a resistor R3B, and wherein the positive output terminal of the rectifier chip BD1 is connected to one end of the first inductor L1, and the negative output terminal of the rectifier chip BD1 is connected to one end of the second inductor L2, and wherein the two ends of the first capacitor C1 are respectively connected to the positive output terminal and the negative output terminal of the rectifier chip BD1, and the other end of the first inductor L1 is connected to the other end of the second inductor L2 via the second capacitor C2, and wherein at both ends of the first inductor L1, the third resistor R3A is connected in parallel, and at both ends of the second inductor L2, the resistor R3B is connected in parallel. The voltage converter circuit is a transformer T1, which converts a high voltage to a low voltage. The DC power supply further comprises a rectifying diode D7A and a capacitor C5, an anode terminal of the rectifying diode D7A connected to an output terminal of the voltage converting circuit, and the cathode terminal of the rectifying diode D7A connected to one end of the capacitor C5, and the other end of the capacitor C5 is grounded. After the rectification of the secondary output voltage of the transformer T1 through the diode A7A, a DC voltage is obtained at the capacitor C5, wherein the DC voltage is transmitted via the regulator circuit to the control module with Bluetooth.

The switch control circuit is electrically connected to the rectifier filter circuit and the voltage converter circuit, respectively. The switch control circuit includes a power supply control chip U1, a triode Q5, a second resistor R2, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, an eighth resistor R8, a fourth capacitor C4, a fifteenth capacitor C15, a sixth Diode D6 and a fifth diode D5, wherein one end of the sixth resistor R6 is connected to the first inductor L1, and wherein a branch formed by the series connection of the fourth capacitor C4 and the fifth resistor R5 is connected in parallel at both ends of the sixth resistor R6 , and the other end of the sixth resistor R6 is connected to the cathode terminal of the sixth diode D6, and the anode terminal of the sixth diode D6 is connected to a collector of the triode Q5, and the collector of the triode Q5 is further connected to the transformer T1 and wherein a base of the triode Q5 is connected to the output terminal of the S power supply control chip U1 is connected, and wherein an emitter of the triode Q5 is grounded via the second resistor R2. The input terminal of the power supply control chip U1 is connected to one end of the fourth resistor R4 with the other end of the fourth resistor R4 grounded, and the two ends of the fifteenth capacitor C15 are connected in parallel at both ends of the fourth resistor R4, and wherein one end of the eighth resistor R8 is connected to the fourth resistor, and the other end of the eighth resistor R8 is connected to the transformer T1. For the power supply control chip U1 PWM IC is used, for. B. SF6010, SF6070, SF5928, OB2520, etc. By sampling the primary winding of the transformer T1, a voltage signal of the primary winding of the transformer is obtained, the voltage signal is connected to a inside of the power control chip U1 If the two are not identical to each other, the power supply control chip U1 outputs a control signal, via the switch of the triode, the voltage value at the primary winding of the transformer is changed.

The mobile terminal is used for issuing an operation and control command, the mobile terminal is preferably a smartphone, the smartphone being simultaneously connected to a plurality of LED drive power supplies with a function of the wireless communication controller via an APP software and both a separate controller and a can perform grouped control for them; the controller includes: connecting and disconnecting the LED lights, adjusting the brightness, setting the mode, changing the password, multi-group timer setting, etc. The Bluetooth control module M1 wirelessly communicates with the mobile device to receive a message from the mobile terminal transmitted operating and control command into a control signal and output. The control module with Bluetooth is used to perform a wireless connection with a smartphone to receive a signal output by the smartphone control signal and output after internal processing a corresponding control signal to the output port, in the case without connection of a smartphone, an automatic operation based on a preset mode ; the control module with Bluetooth is still responsible for the realization of a timing and memory function.

The driver circuit is connected to an output terminal of the control module with Bluetooth to perform a power up or shutdown control for a control signal provided by the control module with Bluetooth. In the present embodiment, a bridge driver circuit is preferably selected for the driver circuit, with the bridge driver circuit connected to the output terminal of the Bluetooth control module and a DC current output by the DC power supply into a precisely controllable non-sinusoidal one based on a control signal provided by the control module with Bluetooth AC converts. The bridge driver circuit comprises a first triode Q1, a second triode Q2, a third triode Q3, a fourth triode Q4 and a first resistor R15, a second resistor R15B, a third resistor R16 and a fourth resistor 16B; wherein a base of the first triode Q1 is connected to a collector of the fourth triode Q4 via the first resistor R15, and wherein the base of the first triode Q1 is connected to the output terminal of the DC power supply via the second resistor R15B, and wherein a collector of the first triode Q1 is an output terminal, and wherein a base of the fourth triode Q4 is connected through the resistor R13 to the output terminal G of the control module, and wherein an emitter of the fourth triode Q4 is grounded. A base of the third triode Q3 is connected through the third resistor R16 to a collector of the second triode Q2, the base of the third triode being connected to the output terminal of the DC power supply via the fourth resistor R16B, and a collector of the third triode Q3 being an output terminal is. A base of the second triode Q3 is connected through the resistor R14 to the output terminal R of the control module, and an emitter of the second triode Q2 is grounded. An emitter of the first triode Q1 is connected to the emitter of the third triode Q3, the collector of the first triode Q1 being connected to the collector of the second triode Q2, and the collector of the third triode Q3 being connected to the collector of the fourth triode Q4 ,

Preferably, the present invention further comprises a stabilizer circuit which stabilizes a DC power output by the DC power supply and then provides the control module with Bluetooth, the stabilizer circuit being connected between the DC power supply and the Bluetooth control module. The stabilizer circuit is a three-terminal stabilizer U2. The three-terminal stabilizer U2 provides the Bluetooth control module M1 with a stable voltage source to power the inner control chip.

Preferably, the present invention further comprises an input module for changing a flashing mode of a chain of the charged LED light string and for resetting a password of the control module with Bluetooth, wherein the input module is electrically connected to the control module M1 with Bluetooth. The input module is a key switch SW, by briefly pressing the key switch, the output mode can be changed so that the LED light string indicates various lighting effects; long press on the button switch will reset the Bluetooth connection password.

• 1. nach der Einschaltung fängt zuerst die Gleichstromversorgung mit dem Betrieb an, dabei ist eine Gleichspannung an dem fünften Kondensator C5 errichtet;
• 2. über den Dreiterminal-Stabilisator U2 versorgt die Gleichspannung das Steuermodul M1 mit Bluetooth mit Strom;
• 3. das Steuermodul M1 mit Bluetooth fängt mit dem Betrieb an, während es damit angefangen wird, den Empfang eines durch ein Gerät mit der Bluetooth-Funktion übertragenen Steuersignals der drahtlosen Kommunikation zuzulassen, wenn kein durch ein Gerät mit der Bluetooth-Funktion übertragene Steuersignal empfangen wird, hat das Steuermodul M1 mit Bluetooth einen Betrieb im automatischen Modus, das Steuermodul M1 mit Bluetooth gibt ein Steuersignal aus, das durch den dreizehnten Widerstand R13 und den vierzehnten Widerstand R14 geht, um die nach geschaltete Brückentreiberschaltung zu steuern, so dass die Helligkeit der Lichterkette sich ändert;
• 4. ein Gerät mit der Bluetooth-Funktion öffnet eine entsprechende APP-Software, nach der Verbindung mit dem Steuermodul mit Bluetooth kann ein Befehl mittels des Geräts mit der Bluetooth-Funktion ausgegeben werden, um die Einstellung der Helligkeit, die Einstellung des Weckers, die Einstellung des Blinkmodus, die Gruppierung von mehreren Geräten und die Änderung des Kennworts, Blinken anhand der Musikmelodie am Gerät und andere Funktionen zu realisieren;
• 5. durch kurzes Drücken der Taste wird der Blinkmodus manuell geändert, durch langes Drücken der Taste wird das Bluetooth-Verbindungskennwort rückgestellt.

The working process of the present invention is as follows:

• 1. after the power-on, the DC power supply starts operation first, and a DC voltage is established at the fifth capacitor C5;
• 2. via the three-terminal stabilizer U2, the DC voltage supplies the control module M1 with Bluetooth with power;
• 3. the control module M1 with Bluetooth starts to operate as it is started receiving one by a device with the Bluetooth function transmitted control signal to the wireless communication, if no received by a device with the Bluetooth function control signal is received, the control module M1 with Bluetooth has an operation in automatic mode, the control module M1 with Bluetooth outputs a control signal passing through the thirteenth resistor R13 and the fourteenth resistor R14 to control the bridge driver circuit connected after, so that the brightness of the fairy lights changes;
• 4. a device with the Bluetooth function opens a corresponding APP software, after the connection with the control module with Bluetooth, a command can be issued by means of the device with the Bluetooth function to adjust the brightness, the setting of the alarm clock, the Setting the flashing mode, grouping of multiple devices and changing the password, flashing based on the music melody on the device and other functions;
• 5. by briefly pressing the button, the flashing mode is changed manually, by pressing the button long, the Bluetooth connection password is reset.

The load of the controller in the above embodiment is suitable for connecting one as in FIG 3 via the key switch SW, a selection signal is made available, with each selection, it inevitably enters a next light effect. In the following, 8 frequently used light effects of the LED light string are explained, at the same time, various lighting effects can be realized by changing the software program of the Bluetooth module.

First effect: combination of different effects. Namely, an automatic circulating change takes place from the second function to the seventh function (combination);

Second Effect: Wavy Previous-Falling Automatic Change (In Waves). The implementation is as follows: the duty cycle of the first output terminal of the control module changes slowly from 0% to D_Max and then from D_Max slowly to 0%, while the duty cycle of the second output terminal of the control module also changes slowly from 0% to D_Max and then from D_Max slowly changes to 0%, however, the changes in the brightness of the first output terminal and the second output terminal of the control module have a phase difference of 180 degrees. It is the overall lighting effect indicated that the second fairy lights become bright from the dark state, while the first fairy lights become dark from the bright state.

Third effect: sequential automatic change (sequential). The implementation is as follows: the duty cycle of the first output terminal of the control module is D_Max, and the duty cycle of the second output terminal of the control module changes to 0%; after maintaining for a few cycles, the duty cycle of the first output terminal of the control module changes to 0%; the duty cycle of the second output terminal of the control module changes to D_Max, after maintaining for a few cycles, the duty ratio of the second output terminal of the control module changes to 0%, while the duty ratio of the first output terminal of the control module changes to D_Max, and all other follows accordingly , It is the displayed light effect that the first string of lights and the second string of lights flash alternately flashing.

Fourth effect: Automatic change of single light with gradually light and dark state (3 speed change) (SLO-GLO). The realization is as follows: the duty cycle of the first output terminal of the control module changes slowly from 0% to D_Max and then from D_Max slowly to 0%, then the duty cycle of the second output terminal of the control module changes from 0% slowly to D_Max and then from D_Max slowly to 0%. Then, the change of the first output terminal of the control module, and everything else follows accordingly. It is the effect that the first light string changes from the dark state to the bright state and then back to the dark state, then the second light chain changes from the dark state to the bright state and then back to the dark state, then the change of the first one again occurs Fairy lights. It is the displayed light effect that the two groups of charged lights alternately gradually become light and dark.

Fifth Effect: Sequential Previous-Reverse Auto Change with Star Mica (Chasing / Flash). The realization is as follows: a combination between the third and seventh effect, the two effects take place alternately.

Sixth effect: Simultaneous automatic change of the two lights with gradually light and dark state (change with 3 speeds) (slow fade), the realization is as follows: the duty cycles of the first output terminal and the second output terminal of the control module change simultaneously from 0% slowly to D_Max and then from D_Max slowly to 0% and the process is circulating. It is the displayed light effect that the first fairy lights and the second fairy lights become gradually light and dark at the same time.

Seventh effect: Sequential automatic change with star mica (Twinkle / Flash). The implementation is as follows: the duty cycle of the first output terminal of the control module is D_Max, after maintaining for a few cycles the duty cycle of the first output terminal of the control module changes to 0%, then the duty cycle of the first output terminal of the control module again changes to D_Max, the remains for a few cycles, after circulating for a few times, the second output terminal of the control module also changes in this way. It is the displayed light effect that the first string of lights flashes a few times in the bright and dark conditions, and then the second string of lights flashes a few times in the bright and dark states, d. H. the two groups of lights blink alternately.

Eighth effect: LED is constantly on (steady on), the realization is as follows: the duty cycles of the first output terminal and the second output terminal of the control module are each D_Max. It is the displayed light effect that the two groups of charged LED lights are constantly bright.

The driver circuit in the present embodiment is not limited to the bridge driver circuit in the above embodiment, further, a driver circuit formed by two triodes may be provided according to FIG 5 be used. The terminal 0 according to 5 outputs a high level while the terminals 1 and 2 output a low level, according to the driver circuit 5 is suitable for connecting a load according to 4 When the control module with Bluetooth triggers the first triode Q1 for connection, the terminal 1 outputs a low level, namely the LED light string connected to the terminal 1 forms a loop with the terminal 0 and is turned on, if the control module with Bluetooth the second Triode Q2 triggers for connection, the terminal 2 outputs a low level, namely the LED light string connected to the terminal 2 forms a loop with the terminal 0 and is turned on.

Claims (7)

LED control unit with Bluetooth, characterized in that it comprises: - a mobile terminal for issuing an operation and control command; and a Bluetooth control module that performs wireless communication with the mobile terminal to convert and output a service and control command transmitted from the mobile terminal into a control signal; and a driver circuit connected to an output terminal of the control module with Bluetooth for performing a power on or off control for a control signal provided by the control module with Bluetooth. A Bluetooth LED controller according to claim 1, characterized in that it further comprises a DC power supply for outputting a DC voltage and a stabilizer circuit which stabilizes a DC power output by the DC power supply and then provides the control module with Bluetooth, the stabilizer circuit interposing between the DC power supply and the control module is switched to Bluetooth. The LED control device with Bluetooth according to claim 1, characterized by further comprising an input module for changing a flashing mode of a chain of the loaded LED lights and resetting a password of the control module with Bluetooth, wherein the input module is electrically connected to the control module with Bluetooth , LED control unit with Bluetooth according to claim 3, characterized in that the input module is a key switch. The LED control device with Bluetooth according to any one of claims 1 to 4, characterized in that the DC power supply comprises a rectifier filter circuit, a voltage converter circuit and a switch control circuit, wherein an output terminal of the rectifier filter circuit is electrically connected to the voltage converter circuit, and wherein the switch control circuit respectively is electrically connected to the rectifier filter circuit and the voltage converter circuit. The LED control device with Bluetooth according to claim 5, characterized in that the DC power supply further comprises a rectifier diode and a capacitor, wherein an anode terminal of the rectifier diode is connected to an output terminal of the voltage converter circuit, and wherein a cathode terminal of the rectifier diode is connected to one end of the capacitor and the other end of the capacitor is grounded. The LED control device with Bluetooth according to claim 1, characterized in that the driver circuit is a bridge driver circuit, wherein the bridge driver circuit comprises a first triode, a second triode, a third triode, a fourth triode and a first resistor, a second resistor, a third resistor, a fourth resistor; and wherein a base of the first triode is connected to a collector of the fourth triode via the first resistor, and wherein the base of the first triode is connected via the second resistor to the output terminal of the DC power supply, and wherein a collector of the first triode is an output terminal, and wherein a base of the fourth triode is connected to the output terminal of the control module, and wherein an emitter of the fourth triode is grounded; and wherein a base of the third triode is connected to a collector of the second triode via the third resistor, and wherein the base of the third triode is connected via the fourth resistor to the output terminal of the DC power supply, and wherein a collector of the third triode is an output terminal, and wherein a base of the second triode is connected to the output terminal of the control module, and wherein an emitter of the second triode is grounded; and wherein an emitter of the first triode is connected to an emitter of the third triode, and wherein the collector of the first triode is connected to the collector of the second triode, and wherein the collector of the third triode is connected to the collector of the fourth triode.

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