Touch type LED controller capable of adjusting brightness

Abstract

The utility model discloses a touch type LED controller capable of adjusting brightness. The touch type LED controller comprises a power supply module, a main control module, a brightness selection module and a touch switch module, the power module is connected with an external power supply; the main control module is connected with the power supply module and is used for connecting an LED lamp; the brightness selection module is connected with the main control module and is used for selecting the brightness of the LED lamp when the LED lamp is turned off; the touch switch module is respectively connected with the power supply module and the main control module and is used for generating a first touch signal and a second touch signal; the main control module can control the LED lamp to be turned on or turned off when receiving the first touch signal and control the brightness of the LED lamp when receiving the second touch signal. By means of the structure, the LED lamp can be controlled in a touch control mode, the brightness of the LED lamp in the off state can be adjusted, the function of a night lamp is achieved, the functional diversity of the LED controller is expanded, and the use requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of LED lamp, especially touch formula LED controller of adjustable brightness. BACKGROUND

[0002] With LED lamps and lanterns going into thousands of households, the matching controller is also various, especially the LED lamps and lanterns with induction function, such as cabinet lamp, will configure touch switch to control the on-off of lamps and lanterns, and is widely used in the cabinet with glass cabinet door, but the existing touch formula LED controller executes the operation of controlling LED lamp to open after the first touch trigger, executes the operation of controlling LED lamp to close after the second touch trigger, and cannot adjust the brightness of LED lamp, cannot adapt to the use demand of complex scene, therefore, the touch formula LED controller of adjustable brightness is urgently needed to solve the above problems. SUMMARY

[0003] The utility model aims at at least solving one of the technical problems existing in the prior art. Therefore, the utility model provides a touch formula LED controller of adjustable brightness.

[0004] The technical scheme adopted by one embodiment of the utility model to solve the technical problem is as follows: a touch formula LED controller of adjustable brightness, comprising a power module, a main control module, a brightness selection module and a touch switch module;

[0005] The power module is connected with an external power supply;

[0006] The main control module is connected with the power module and is used for connecting LED lamps and lanterns;

[0007] The brightness selection module is connected with the main control module and is used for selecting the brightness of LED lamps and lanterns when being turned off;

[0008] The touch switch module is connected with the power module and the main control module respectively and is used for generating a first touch signal and a second touch signal;

[0009] The main control module can control LED lamps and lanterns to turn on or off when receiving the first touch signal and can control the brightness of LED lamps and lanterns when receiving the second touch signal.

[0010] As one of the preferred embodiments of the utility model, the power module includes voltage stabilizing chip U2, diode D4, resistor R9-R10 and capacitor C5-C8, one end of resistor R10 is connected with one end of external power supply, the other end of resistor R10 is connected with the V in foot of voltage stabilizing chip U2, one end of capacitor C6 and one end of capacitor C7 through diode D4 respectively, the Vout foot of voltage stabilizing chip U2 is connected with one end of capacitor C5, one end of capacitor C8, one end of resistor R9 and main control module respectively, the other end of resistor R9 is connected with main control module and LED lamp, the GND foot of voltage stabilizing chip U2, the other end of capacitor C5, the other end of capacitor C6, the other end of capacitor C7, the other end of capacitor C8 are connected with the other end of external power supply.

[0011] As one of the preferred embodiments of the utility model, the main control module includes main control chip U1, capacitor C2-C3, resistor R1, resistor R7, resistor R8 and triode Q2, the VDD foot of main control chip U1 is connected with one end of capacitor C2, one end of capacitor C3 and one end of resistor R1 respectively, the other end of resistor R1 is connected with power module, the PA2 foot of main control chip U1 is connected with one end of resistor R8 and the base of triode Q2 through resistor R7 respectively, the collector of triode Q2 is connected with LED lamp, the GND foot of main control chip U1, the other end of capacitor C2, the other end of capacitor C3, the other end of resistor R8 and the emitter of triode Q3 are connected with GND end.

[0012] As one of the preferred embodiments of the utility model, the brightness selection module includes switch S1, one end is connected with main control module, the other end is connected with GND end.

[0013] As one of the preferred embodiments of the utility model, the touch switch module includes touch control chip U4, voltage stabilizing chip U3, touch sheet PAD, triode Q1, resistance R2-R3, resistance R11-R12, capacitor C4 and capacitor C9-C13, the touch sheet PAD is connected with the cathode of diode D5 and CIN 1 pin of touch control chip U4 respectively through resistance R11, the anode of diode D5 is connected with one end of capacitor C10 and GND end respectively, the other end of capacitor C10 is connected with CDC pin of touch control chip U4, the CMOD pin of touch control chip U4 is connected with GND pin of touch control chip U4, one end of capacitor C11, one end of capacitor C12 and GND end respectively through capacitor C9, the VDD pin of touch control chip U4 is connected with the other end of capacitor C11, the other end of capacitor C12 and Vout pin of voltage stabilizing chip U3 respectively, the Vin pin of voltage stabilizing chip U3 is connected with power module and one end of capacitor C13 respectively, the other end of capacitor C13 and GND pin of voltage stabilizing chip U3 are connected with GND end, the OUT pin of touch control chip U4 is connected with one end of resistance R3 and one end of capacitor C4 respectively through resistance R12, one end of resistance R3 is connected with the base of triode Q1 and one end of resistance R2 respectively, the collector of triode Q1 is connected with main control module, the emitter of triode Q1, the other end of resistance R2 and the other end of capacitor C4 are connected with GND end.

[0014] As one of the preferred embodiments of the utility model, the adjustable brightness touch type LED controller further includes a brightness indication module connected with the power module and the main control module respectively.

[0015] As one of the preferred embodiments of the utility model, the brightness indication module includes light emitting diode D1, light emitting diode D2, light emitting diode D3 and resistance R4-R6, light emitting diode D1 and resistance R4 are connected in series between the power module and the main control module, light emitting diode D2 and resistance R5 are connected in series between the power module and the main control module, light emitting diode D3 and resistance R6 are connected in series between the power module and the main control module.

[0016] As one of the preferred embodiments of the utility model, the colors of the light emitted by light emitting diode D1, light emitting diode D2 and light emitting diode D3 are different.

[0017] The utility model discloses an advantageous effect: a touch formula LED controller of adjustable brightness, including power module, main control module, brightness selection module and touch switch module, power module inserts external power supply, main control module is connected with power module, is used for connecting LED lamps and lanterns, brightness selection module is connected with main control module, is used for selecting the brightness of LED lamps and lanterns when closing, touch switch module is connected with power module and main control module respectively, is used for generating first touch signal and second touch signal, main control module can control LED lamps and lanterns open or close when receiving first touch signal, and the brightness of LED lamps and lanterns when receiving second touch signal, through above -mentioned structure not only can control LED lamps and lanterns to the mode of touch, still can adjust the brightness of LED lamps and lanterns in the closed state, realizes the function of night lamp, expands the functional diversity of LED controller, meets the use demand. BRIEF DESCRIPTION OF DRAWINGS

[0018] The above and / or additional aspects and advantages of the utility model will become apparent and more readily appreciated from the following description of the embodiments, with reference to the following drawings, in which:

[0019] Figure 1 It is a circuit schematic diagram of touch formula LED controller of adjustable brightness;

[0020] Figure 2 It is the circuit schematic diagram of power module;

[0021] Figure 3 It is the circuit schematic diagram of main control module;

[0022] Figure 4 It is the circuit schematic diagram of brightness selection module;

[0023] Figure 5 It is the circuit schematic diagram of brightness indication module;

[0024] Figure 6 It is the circuit schematic diagram of touch switch module. DETAILED DESCRIPTION

[0025] This part will describe the specific embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the drawings, and the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and overall technical scheme of the utility model, but it can not be understood as the limitation of the protection scope of the utility model.

[0026] In the description of the utility model, the meaning of multiple is two or more than, less than, more than, etc. It is understood as not including the number, above, below, within, etc. It is understood as including the number. If it is described to the first, second, it is only used for distinguishing the purpose of technical features, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0027] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. It is based on the orientation or position relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it can not be understood as a limitation of the utility model.

[0028] In the utility model, unless otherwise explicitly limited, the words such as "set", "install", "connect" should be broadly understood, for example, it can be directly connected, also can be indirectly connected through intermediate medium;It can be fixedly connected, can also be detachably connected, can also be integrally formed;It can be mechanical connection;It can be the communication or interaction relationship between two elements inside two elements. The skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0029] Reference Figures 1 to 6 An adjustable brightness touch type LED controller, comprising a power module 10, a main control module 20, a brightness selection module 30 and a touch switch module 40;

[0030] The power module 10 is connected to an external power supply;

[0031] The main control module 20 is connected with the power module 10, which is used for connecting LED lamps and lanterns;

[0032] The brightness selection module 30 is connected with the main control module 20, which is used for selecting the brightness of LED lamps and lanterns when they are off;

[0033] The touch switch module 40 is connected with the power module 10 and the main control module 20 respectively, which is used for generating first touch signal and second touch signal;

[0034] The main control module 20 can control LED lamps and lanterns to open or close when receiving the first touch signal, and control the brightness of LED lamps and lanterns when receiving the second touch signal.

[0035] In the utility model, power module 10 is used for converting the voltage of external power input, can provide suitable working voltage for the rest module in system, in some embodiments, when the finger of user contacts the touch piece PAD of touch switch module 40, touch chip U4 gathers the touch signal, and outputs high level signal, high level signal is transmitted to main control chip U1 through wire, and main control chip U1 starts to carry out logic judgment after receiving the filtered high level signal, if the duration of signal is less than 1 second, then it is short touch signal (first touch signal), will execute the command of turning off or turning on the light, if the duration is greater than 1 second, then it is long touch signal (second touch signal), at this moment, brightness gradual change command will be executed, the brightness of light will change high and low, when the signal disappears, change stops, and the current brightness is locked, further, refer to Figure 1 And Figure 4 In some embodiments, the brightness selection module 30 includes a switch S1 connected to the main control module 20 at one end and to the GND terminal at the other end. The main function of the switch S1 is to provide selection function for the user. By pressing the switch S1 briefly, the user can select the brightness when the cabinet door is closed, for example, 0%, 10%, and 20% three gears, which is more practical in the glass cabinet scene. When the cabinet door is closed, the light is dim, which has the effect of night light illumination.

[0036] Refer to Figure 1 And Figure 2 In some embodiments, the power module 10 includes a voltage stabilizing chip U2, a diode D4, resistors R9-R10, and capacitors C5-C8. One end of the resistor R10 is connected to one end of the external power source. The other end of the resistor R10 is connected to the Vin pin of the voltage stabilizing chip U2, one end of the capacitor C6, and one end of the capacitor C7 through the diode D4. The Vout pin of the voltage stabilizing chip U2 is connected to one end of the capacitor C5, one end of the capacitor C8, one end of the resistor R9, and the main control module 20. The other end of the resistor R9 is connected to the main control module 20 and the LED lamp. The GND pin of the voltage stabilizing chip U2, the other end of the capacitor C5, the other end of the capacitor C6, the other end of the capacitor C7, and the other end of the capacitor C8 are connected to the other end of the external power source. Specifically, the power module 10 converts the high voltage provided by the external power source into low voltage available to the system. The anti-reverse connection chip prevents the power source from being reversed, and the low-voltage power source is filtered to provide power to all components in the system. Since the working current of the utility model is small, a common three-terminal voltage stabilizing chip U2 is used to power the system.

[0037] Refer to Figure 1 And Figure 3In some embodiments, the master module 20 includes a master chip U1, capacitors C2-C3, a resistor R1, a resistor R7, a resistor R8, and a transistor Q2, the VDD pin of the master chip U1 is connected to one end of the capacitor C2, one end of the capacitor C3, and one end of the resistor R1 respectively, the other end of the resistor R1 is connected to the power module 10, the PA2 pin of the master chip U1 is connected to one end of the resistor R8 and the base of the transistor Q2 through the resistor R7, the collector of the transistor Q2 is connected to the LED lamp, the GND pin of the master chip U1, the other end of the capacitor C2, the other end of the capacitor C3, the other end of the resistor R8, and the emitter of the transistor Q3 are connected to the GND terminal; the power driving signal is a PWM modulated signal emitted by the master chip U1, which is transmitted to the LED driving power supply through the connection line after amplification and inversion, so as to adjust the output load of the power supply, achieve the purpose of controlling the LED lamp to turn on and off and adjust the brightness; the peripheral circuit of the master chip U1 includes a power supply filtering and reset circuit, etc.

[0038] Referring to Figure 1 and Figure 6 In some embodiments, the touch switch module 40 includes a touch control chip U4, a voltage stabilizing chip U3, a touch sheet PAD, a transistor Q1, resistors R2-R3, resistors R11-R12, capacitors C4 and C9-C13, the touch sheet PAD is connected to the cathode of the diode D5 and the CIN1 pin of the touch control chip U4 through the resistor R11, the anode of the diode D5 is connected to one end of the capacitor C10 and the GND terminal respectively, the other end of the capacitor C10 is connected to the CDC pin of the touch control chip U4, the CMOD pin of the touch control chip U4 is connected to the GND pin of the touch control chip U4, one end of the capacitor C11, one end of the capacitor C12, and the GND terminal through the capacitor C9 respectively, the VDD pin of the touch control chip U4 is connected to the other end of the capacitor C11, the other end of the capacitor C12, and the Vout pin of the voltage stabilizing chip U3 respectively, the Vin pin of the voltage stabilizing chip U3 is connected to the power module 10 and one end of the capacitor C13 respectively, the other end of the capacitor C13 and the GND pin of the voltage stabilizing chip U3 are connected to the GND terminal, the OUT pin of the touch control chip U4 is connected to one end of the resistor R3 and one end of the capacitor C4 through the resistor R12, one end of the resistor R3 is connected to the base of the transistor Q1 and one end of the resistor R2 respectively, the collector of the transistor Q1 is connected to the master module 20, the emitter of the transistor Q1, the other end of the resistor R2, and the other end of the capacitor C4 are connected to the GND terminal.

[0039] Specifically, the touch switch module 40 comprises a voltage stabilizing power supply circuit, a touch chip circuit and a signal receiving circuit, preferably, wherein the voltage stabilizing power supply circuit is composed of a voltage stabilizing chip U3, a capacitor C13 and the like, and mainly provides a stable and clean power supply for the touch chip U4, since the touch head and the main control board are connected by a long wire, there will be certain interference, and thus the voltage stabilizing power supply circuit is needed to filter the interference conducted, so as to avoid affecting the normal work of the touch chip U4; further, the touch chip circuit refers to the touch chip U4 and its peripheral circuit, including a signal acquisition circuit and a sensitivity setting circuit and the like, and is mainly composed of the touch chip U4, capacitors C9-C10, resistors R11-R12, a diode D5 and the like, since the finger has static electricity, an ESD protection circuit is needed to be added on the signal acquisition circuit, so as to prevent the touch chip U4 from being broken down, and the sensitivity of the touch chip U4 is determined by the size of the externally connected capacitor, and by selecting a proper capacitor, the mis-touch can be effectively avoided, and a relatively sensitive touch experience can be provided; further, the touch pad PAD is a small metal body, and is connected with the touch chip U4, and mainly serves to transmit the touch signal of the finger to the touch chip U4.

[0040] With reference to Figure 1 And Figure 5 In some embodiments, the adjustable brightness touch LED controller further comprises a brightness indication module 50 connected with the power module 10 and the main control module 20 respectively; as preferred, the brightness indication module 50 comprises light emitting diodes D1, D2, D3 and resistors R4-R6, the light emitting diode D1 and the resistor R4 are connected in series between the power module 10 and the main control module 20, the light emitting diode D2 and the resistor R5 are connected in series between the power module 10 and the main control module 20, and the light emitting diode D3 and the resistor R6 are connected in series between the power module 10 and the main control module 20; by setting the corresponding indicator light, the user is reminded of the current cabinet door closing brightness gear, in some embodiments, the colors of the light emitted by the light emitting diodes D1, D2 and D3 are different, and the gears are indicated by lighting different light emitting diodes; the colors of the light emitted by the light emitting diodes D1, D2 and D3 can also be set to be the same, and the user is reminded of the switching success by controlling the light to flash.

[0041] Of course, the utility model is not limited to the above-mentioned implementation, and the equivalent transformation or replacement under the premise of not departing from the spirit of the utility model can also be made by the person skilled in the art, and these equivalent transformations and replacements are all included in the range defined by the claims of the present application.

Claims

1. A touchable LED controller with adjustable brightness, characterized in that: The application relates to a LED light control device, which comprises a power module (10), a main control module (20), a brightness selection module (30) and a touch switch module (40). The power module (10) is connected with an external power supply. The main control module (20) is connected with the power module (10) and used for connecting an LED lamp. The brightness selection module (30) is connected with the main control module (20) and used for selecting the brightness of the LED lamp when the LED lamp is turned off. The touch switch module (40) is connected with the power module (10) and the main control module (20) respectively and used for generating a first touch signal and a second touch signal. The main control module (20) can control the LED lamp to be turned on or turned off when the first touch signal is received and control the brightness of the LED lamp when the second touch signal is received.

2. The touch-sensitive LED controller of claim 1, wherein: The power module (10) comprises a voltage stabilizing chip U2, a diode D4, resistors R9-R10 and capacitors C5-C8, one end of the resistor R10 is connected with one end of an external power supply, the other end of the resistor R10 is connected with the Vin pin of the voltage stabilizing chip U2, one end of the capacitor C6 and one end of the capacitor C7 through the diode D4 respectively, the Vout pin of the voltage stabilizing chip U2 is connected with one end of the capacitor C5, one end of the capacitor C8, one end of the resistor R9 and the main control module (20) respectively, the other end of the resistor R9 is connected with the main control module (20) and the LED lamp, and the GND pin of the voltage stabilizing chip U2, the other end of the capacitor C5, the other end of the capacitor C6, the other end of the capacitor C7, the other end of the capacitor C8 and the other end of the external power supply are connected.

3. The touch-sensitive LED controller of claim 1, wherein: The main control module (20) comprises a main control chip U1, capacitors C2-C3, a resistor R1, a resistor R7, a resistor R8 and a triode Q2, the VDD pin of the main control chip U1 is connected with one end of the capacitor C2, one end of the capacitor C3 and one end of the resistor R1 respectively, the other end of the resistor R1 is connected with the power module (10), the PA2 pin of the main control chip U1 is connected with one end of the resistor R8 and the base of the triode Q2 through the resistor R7, the collector of the triode Q2 is connected with the LED lamp, and the GND pin of the main control chip U1, the other end of the capacitor C2, the other end of the capacitor C3, the other end of the resistor R8 and the emitter of the triode Q3 are connected with a GND terminal.

4. The touch-sensitive LED controller of claim 1, wherein: The brightness selection module (30) comprises a switch S1, one end of which is connected with the main control module (20) and the other end of which is connected with the GND terminal.

5. The touch-sensitive LED controller of claim 1, wherein: The touch switch module (40) comprises a touch control chip U4, a voltage stabilizing chip U3, a touch sheet PAD, a triode Q1, resistors R2-R3, resistors R11-R12, a capacitor C4 and capacitors C9-C13, the touch sheet PAD is connected with the cathode of a diode D5 and a CIN 1 pin of the touch control chip U4 through the resistor R11 respectively, the anode of the diode D5 is connected with one end of a capacitor C10 and a GND terminal respectively, the other end of the capacitor C10 is connected with a CDC pin of the touch control chip U4, a CMOD pin of the touch control chip U4 is connected with a GND pin of the touch control chip U4, one end of a capacitor C11, one end of a capacitor C12 and a GND terminal through the capacitor C9 respectively, a VDD pin of the touch control chip U4 is connected with the other end of the capacitor C11, the other end of the capacitor C12 and a Vout pin of the voltage stabilizing chip U3 respectively, a Vin pin of the voltage stabilizing chip U3 is connected with the power module (10) and one end of a capacitor C13 respectively, the other end of the capacitor C13 and a GND pin of the voltage stabilizing chip U3 are connected with the GND terminal, an OUT pin of the touch control chip U4 is connected with one end of a resistor R3 and one end of a capacitor C4 through a resistor R12 respectively, one end of the resistor R3 is connected with a base of the triode Q1 and one end of a resistor R2 respectively, a collector of the triode Q1 is connected with the main control module (20), an emitter of the triode Q1, the other end of the resistor R2 and the other end of the capacitor C4 are connected with the GND terminal.

6. The touch-sensitive LED controller of claim 1, wherein: The brightness indication module (50) connected with the power module (10) and the main control module (20) respectively is further included.

7. The touch-sensitive LED controller of claim 6, wherein: The brightness indication module (50) comprises light emitting diodes D1, D2, D3 and resistors R4-R6, the light emitting diode D1 and the resistor R4 are connected in series between the power module (10) and the main control module (20), the light emitting diode D2 and the resistor R5 are connected in series between the power module (10) and the main control module (20), and the light emitting diode D3 and the resistor R6 are connected in series between the power module (10) and the main control module (20).

8. The touch-sensitive LED controller of claim 7, wherein: The light emitting diodes D1, D2 and D3 emit light of different colors.

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