Adjustable door stop sensing LED controller

Abstract

An adjustable door stop induction LED controller comprises a power module, a main control module, a brightness selection module, a signal transmitting module, a signal receiving module and a door stop switch. 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 signal transmitting module is connected with the main control module and the transmitting end of the door knob switch; the signal receiving module is connected with the main control module and the receiving end of the door touch switch; through the structure, the brightness of the LED lamp when the cabinet door is sensed to be closed 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 a door knock sensing LED controller with adjustable. BACKGROUND

[0002] With LED lamps and lanterns into thousands of households, the matching controller is also various, especially the LED lamps and lanterns with sensing function, such as cabinet lamp, will configure door knock switch to detect the door opening signal, and then control the light of the lamp, is widely used in the cabinet with glass cabinet door, but the existing door knock sensing LED controller is closed after sensing the cabinet door, the operation that executes is all control LED lamp, after sensing the cabinet door opening, the operation that executes is all control LED lamp opening, and the brightness of LED lamp cannot be adjusted, cannot adapt to the use demand of complex scene, therefore, the door knock sensing LED controller with adjustable is urgently needed to solve the above problems. SUMMARY

[0003] The utility model aims at at least one of the technical problems existing in the prior art is solved, for this, the utility model provides a door knock sensing LED controller with adjustable.

[0004] The technical scheme adopted by one embodiment of the utility model to solve its technical problem is: a door knock sensing LED controller with adjustable, including power module, main control module, brightness selection module, signal transmitting module, signal receiving module and door knock switch,

[0005] The power module is connected with 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 closed,

[0008] The signal transmitting module is connected with the main control module and the transmitting end of the door knock switch,

[0009] The signal receiving module is connected with the main control module and the receiving end of the door knock switch,

[0010] The main control module can control LED lamps and lanterns to be closed when the signal receiving module receives the signal transmitted by the signal transmitting module, or control LED lamps and lanterns to be opened when the signal receiving module does not receive the signal transmitted by the signal transmitting module.

[0011] As one of the preferred embodiments of the utility model, the power module includes voltage stabilizing chip U2, diode D4, resistor R14-R15 and capacitor C6-C9, one end of resistor R15 is connected with one end of external power supply, the other end of resistor R15 is connected with the V in pin of voltage stabilizing chip U2, one end of capacitor C7 and one end of capacitor C8 respectively through diode D4, the Vout pin of voltage stabilifying chip U2 is connected with one end of capacitor C6, one end of capacitor C9, one end of resistor R14 and main control module respectively, the other end of resistor R14 is connected with main control module and LED lamp, the GND pin of voltage stabilizing chip U2, the other end of capacitor C6, the other end of capacitor C7, the other end of capacitor C8, the other end of capacitor C9 are connected with the other end of external power supply.

[0012] As one of the preferred embodiments of the utility model, the main control module includes main control chip U1, capacitor C2-C3, resistor R2, resistor R10, resistor R12 and triode Q3, the VDD pin of main control chip U1 is connected with one end of capacitor C2, one end of capacitor C3 and one end of resistor R2 respectively, the other end of resistor R2 is connected with power module, the PA2 pin of main control chip U1 is connected with one end of resistor R12 and the base of triode Q3 respectively through resistor R10, the collector of triode Q3 is connected with LED lamp, the GND pin of main control chip U1, the other end of capacitor C2, the other end of capacitor C3, the other end of resistor R12 and the emitter of triode Q3 are connected with GND end.

[0013] As one of the preferred embodiments of the utility model, the brightness selection module includes switch S1, one end of which is connected with main control module and the other end of which is connected with GND end.

[0014] As one of the preferred embodiments of the utility model, the signal transmitting module includes triode Q1, resistor R1 and resistor R4-R5, one end of resistor R4 is connected with main control module, the other end of resistor R4 is connected with one end of resistor R5 and the base of triode Q1 respectively, the collector of triode Q1 is connected with the transmitting end of door contact switch through resistor R1, the emitter of triode Q1 and the other end of resistor R5 are connected with GND end.

[0015] As one of the preferred embodiments of the utility model, the signal receiving module includes triode Q2, capacitor C4-C5, resistor R3, resistor R7, resistor R11 and R13, the collector of triode Q2 is connected with main control module and one end of resistor R13 respectively, the base of triode Q2 is connected with one end of resistor R7, one end of resistor R11 and one end of capacitor C5 respectively, the other end of resistor R11 and the other end of resistor R13 are connected with power module, the other end of resistor R7 and the emitter of triode Q2 are connected with GND end, the other end of capacitor C5 is connected with the receiving end of door contact switch through resistor R3 and is connected with GND end through capacitor C4.

[0016] As one of the preferred embodiments of the utility model, the adjustable door knock sensing LED controller further comprises a brightness indication module connected with the power module and the main control module respectively.

[0017] As one of the preferred embodiments of the utility model, the brightness indication module comprises a light emitting diode D1, a light emitting diode D2, a light emitting diode D3, a resistor R6 and resistors R8-R9, the light emitting diode D1 and the resistor R6 are connected in series between the power module and the main control module, the light emitting diode D2 and the resistor R8 are connected in series between the power module and the main control module, and the light emitting diode D3 and the resistor R9 are connected in series between the power module and the main control module.

[0018] As one of the preferred embodiments of the utility model, the light emitting diode D1, the light emitting diode D2 and the light emitting diode D3 emit light of different colors.

[0019] The utility model discloses the beneficial effects of a kind of adjustable door knock sensing LED controller, including power module, main control module, brightness selection module, signal transmitting module, signal receiving module and door knock switch;Power module is connected to external power supply;Main control module is connected with power module, for connecting LED lamp;Brightness selection module is connected with main control module, for selecting the brightness of LED lamp when closing;Signal transmitting module is connected with main control module and the transmitting end of door knock switch;Signal receiving module is connected with main control module and the receiving end of door knock switch;Through the above structure, the brightness of LED lamp when sensing cabinet door closing can be adjusted, the function of night light is realized, the functional diversity of LED controller is expanded, meet use demand. BRIEF DESCRIPTION OF DRAWINGS

[0020] 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:

[0021] Figure 1 It is a kind of adjustable door knock sensing LED controller's circuit schematic diagram;

[0022] Figure 2 It is the circuit schematic diagram of power module;

[0023] Figure 3 It is the circuit schematic diagram of main control module;

[0024] Figure 4 It is the circuit schematic diagram of brightness selection module;

[0025] Figure 5 It is the circuit schematic diagram of signal transmitting module;

[0026] Figure 6 It is the circuit schematic diagram of signal receiving module;

[0027] Figure 7 The circuit schematic diagram of the brightness indication module. DETAILED DESCRIPTION

[0028] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, 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 the overall technical scheme of the utility model, but it cannot be understood as limiting the protection scope of the utility model.

[0029] In the description of the utility model, the meaning of multiple is two or more than, less than, more than, etc. is not included in the number, above, below, etc. is included in the number. If it is described to the first, the second is only used for distinguishing technical features for the purpose, and cannot 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.

[0030] In the description of the utility model, it is understood that the position description is involved, for example, the position or position relationship indicated by up, down, front, back, left, right, etc. is based on the position or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not used to indicate or imply that the device or element indicated must have a specific position, be constructed and operated in a specific position, so it cannot be understood as limiting the utility model.

[0031] In the utility model, unless otherwise explicitly limited, the words such as "set", "install", "connect" should be understood broadly, for example, it can be directly connected, or indirectly connected through intermediate medium; it can be fixedly connected, or detachably connected, or integrally formed; it can be mechanically connected; it can be the communication or interaction relationship between 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.

[0032] Reference Figures 1 to 7 An adjustable door knock sensing LED controller, comprising a power module 10, a main control module 20, a brightness selection module 30, a signal transmitting module 40, a signal receiving module 50 and a door knock switch 60;

[0033] The power module 10 is connected with an external power supply;

[0034] The main control module 20 is connected with the power module 10, and is used for connecting an LED lamp;

[0035] The brightness selection module 30 is connected with the main control module 20, and is used for selecting the brightness of the LED lamp when it is off.

[0036] The signal transmitting module 40 is connected with the transmitting end of the master control module 20 and the door bump switch 60;

[0037] The signal receiving module 50 is connected with the receiving end of the master control module 20 and the door bump switch 60;

[0038] The master control module 20 can control the LED lamp to be closed when the signal receiving module 50 receives the signal transmitted by the signal transmitting module 40, or control the LED lamp to be opened when the signal receiving module 50 does not receive the signal transmitted by the signal transmitting module 40.

[0039] In the utility model, power module 10 is used for converting voltage of external power input, can provide suitable working voltage for the rest module in system, in some embodiments, master control chip U1 output regular drive signal, thereby produce regular infrared wave on the transmitting end of door bump switch 60, when the cabinet door blocks door bump switch 60, the infrared wave of the transmitting end of door bump switch 60 will be reflected on the phototriode of the receiving end of door bump switch 60, and the received signal is transmitted to master control chip U1, master control chip U1 compares transmitting waveform and receiving waveform, if consistent, then consider closing door state, thereby execute the operation of closing light or reducing brightness, otherwise consider opening door state, and the brightness will be adjusted to maximum, further, refer to Figure 1 And Figure 4 In some embodiments, the brightness selection module 30 includes a switch S1 connected with the master control module 20 at one end and with the GND end at the other end. The main function of the switch S1 is to provide selection function for the user. By pressing the switch S1, 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. The user can also adjust the closing brightness by continuously opening the door for 10 times each time. Each operation can switch to the next gear, and the three gears are switched cyclically.

[0040] Refer to Figure 1 And Figure 2In some embodiments, the power module 10 comprises a voltage stabilizing chip U2, a diode D4, resistors R14-R15 and capacitors C6-C9, one end of the resistor R15 is connected with one end of an external power supply, the other end of the resistor R15 is connected with the Vin pin of the voltage stabilizing chip U2, one end of the capacitor C7 and one end of the capacitor C8 through the diode D4 respectively, the Vout pin of the voltage stabilizing chip U2 is connected with one end of the capacitor C6, one end of the capacitor C9, one end of the resistor R14 and the main control module 20 respectively, the other end of the resistor R14 is connected with the main control module 20 and the LED lamp, the GND pin of the voltage stabilizing chip U2, the other end of the capacitor C6, the other end of the capacitor C7, the other end of the capacitor C8, the other end of the capacitor C9 are connected with the other end of the external power supply; specifically, the power module 10 converts the high voltage provided by the external power supply into low voltage available for the system, prevents the power supply from being reversed through the anti-reverse connection chip, and provides power supply for all components in the system after filtering the low voltage power supply, since the working current of the utility model is small, the ordinary three-terminal voltage stabilizing chip U2 is used to supply power for the system.

[0041] With reference to Figure 1 And Figure 3 In some embodiments, the main control module 20 comprises a main control chip U1, capacitors C2-C3, a resistor R2, a resistor R10, a resistor R12 and a triode Q3, 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 R2 respectively, the other end of the resistor R2 is connected with the power module 10, the PA2 pin of the main control chip U1 is connected with one end of the resistor R12 and the base of the triode Q3 through the resistor R10 respectively, the collector of the triode Q3 is connected with the LED lamp, 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 R12 and the emitter of the triode Q3 are connected with the GND end; the power driving signal is the PWM modulation signal emitted by the main control chip U1, the signal is amplified and reversed and then transmitted to the LED driving power supply through the connecting line, so as to adjust the output load of the power supply, so as to achieve the purpose of controlling the LED lamp to turn on and off and adjusting the brightness; the peripheral circuit of the main control chip U1 comprises a power supply filtering and reset circuit and the like.

[0042] With reference to Figure 1 And Figure 5In some embodiments, the signal transmitting module 40 comprises a triode Q1, a resistor R1, and resistors R4-R5. One end of the resistor R4 is connected to the master module 20, the other end of the resistor R4 is connected to one end of the resistor R5 and the base of the triode Q1, respectively. The collector of the triode Q1 is connected to the transmitting end of the door contact switch 60 via the resistor R1. The emitter of the triode Q1 and the other end of the resistor R5 are connected to the GND end. The signal transmitting module 40 mainly amplifies the driving signal of the master chip U1 by 100 times to drive the infrared emitting diode (transmitting end) of the door contact switch 60. Since the transmitting instantaneous power is large, a power device triode Q1 is needed to increase the current to provide sufficient energy for the infrared emission.

[0043] With reference to Figure 1 and Figure 6 In some embodiments, the signal receiving module 50 comprises a triode Q2, capacitors C4-C5, a resistor R3, a resistor R7, resistors R11 and R13. The collector of the triode Q2 is connected to the master module 20 and one end of the resistor R13, respectively. The base of the triode Q2 is connected to one end of the resistor R7, one end of the resistor R11, and one end of the capacitor C5, respectively. The other end of the resistor R11 and the other end of the resistor R13 are connected to the power module 10. The other end of the resistor R7 and the emitter of the triode Q2 are connected to the GND end. The other end of the capacitor C5 is connected to the receiving end of the door contact switch 60 via the resistor R3 and to the GND end via the capacitor C4. The signal receiving module 50 filters and amplifies the infrared waves received by the phototriode (receiving end) of the door contact switch 60. It mainly consists of an amplifying circuit, a direct-current blocking and alternating-current passing circuit, and a biasing circuit. Since there are a large number of infrared waves in the ambient light, software filtering of the infrared clutter is also needed.

[0044] With reference to Figure 1 and Figure 7In some embodiments, the adjustable door sensing LED controller further comprises a brightness indication module 70 connected to the power module 10 and the main control module 20 respectively; preferably, the brightness indication module 70 comprises light emitting diodes D1, D2, D3, resistors R6 and R8-R9, the light emitting diode D1 and the resistor R6 are connected in series between the power module 10 and the main control module 20, the light emitting diode D2 and the resistor R8 are connected in series between the power module 10 and the main control module 20, and the light emitting diode D3 and the resistor R9 are connected in series between the power module 10 and the main control module 20; by setting the corresponding indicator light to remind the user of the current cabinet door closing brightness level, in some embodiments, the light emitting diodes D1, D2 and D3 emit light of different colors, and the position is 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 to switch successfully by controlling the light to flash.

[0045] The utility model discloses the advantages are in: through above -mentioned structure can adjust the brightness of LED lamps and lanterns when sensing the cabinet door to close, realize night light's function, expand the function diversity of LED controller, meet the use demand.

[0046] Of course, the utility model is not limited to the above-mentioned embodiment, and those skilled in the art can make equivalent transformation or replacement without departing from the spirit of the utility model, and these equivalent transformations and replacements are all included in the range defined by the claims of the present application.

Claims

1. An adjustable door knock sensor LED controller, characterized by: 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), a signal transmitting module (40), a signal receiving module (50) and a door contact switch (60). The power module (10) is connected with an external power source. The main control module (20) is connected with the power module (10) and used for connecting with 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 signal transmitting module (40) is connected with the main control module (20) and the transmitting end of the door contact switch (60). The signal receiving module (50) is connected with the main control module (20) and the receiving end of the door contact switch (60). The main control module (20) can control the LED lamp to be turned off when the signal receiving module (50) receives the signal transmitted by the signal transmitting module (40), or control the LED lamp to be turned on when the signal receiving module (50) does not receive the signal transmitted by the signal transmitting module (40).

2. The adjustable door knock sensor LED controller of claim 1, wherein: The power module (10) comprises a voltage stabilizing chip U2, a diode D4, resistors R14-R15 and capacitors C6-C9, one end of the resistor R15 is connected with one end of an external power source, the other end of the resistor R15 is connected with the Vin pin of the voltage stabilizing chip U2, the one end of the capacitor C7 and the one end of the capacitor C8 through the diode D4, the Vout pin of the voltage stabilizing chip U2 is connected with the one end of the capacitor C6, the one end of the capacitor C9, the one end of the resistor R14 and the main control module (20), the other end of the resistor R14 is connected with the main control module (20) and the LED lamp, the GND pin of the voltage stabilizing chip U2, the other end of the capacitor C6, the other end of the capacitor C7, the other end of the capacitor C8, the other end of the capacitor C9 are connected with the other end of the external power source.

3. The adjustable door strike sensor LED controller of claim 1, wherein: The main control module (20) comprises a main control chip U1, capacitors C2-C3, a resistor R2, a resistor R10, a resistor R12 and a triode Q3, the VDD pin of the main control chip U1 is connected with the one end of the capacitor C2, the one end of the capacitor C3 and the one end of the resistor R2, the other end of the resistor R2 is connected with the power module (10), the PA2 pin of the main control chip U1 is connected with the one end of the resistor R12 and the base of the triode Q3 through the resistor R10, the collector of the triode Q3 is connected with the LED lamp, 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 R12 and the emitter of the triode Q3 are connected with the GND end.

4. The adjustable door strike sensor 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 end.

5. The adjustable door strike sensor LED controller of claim 1, wherein: The signal transmitting module (40) comprises a triode Q1, a resistor R1 and resistors R4-R5, one end of the resistor R4 is connected with the master control module (20), the other end of the resistor R4 is connected with one end of the resistor R5 and the base of the triode Q1 respectively, the collector of the triode Q1 is connected with the transmitting end of the door contact switch (60) through the resistor R1, the emitter of the triode Q1 and the other end of the resistor R5 are connected with the GND end.

6. The adjustable door strike sensor LED controller of claim 1, wherein: The signal receiving module (50) comprises a triode Q2, capacitors C4-C5, a resistor R3, a resistor R7, a resistor R11 and a resistor R13, the collector of the triode Q2 is connected with the master control module (20) and one end of the resistor R13 respectively, the base of the triode Q2 is connected with one end of the resistor R7, one end of the resistor R11 and one end of the capacitor C5 respectively, the other end of the resistor R11 and the other end of the resistor R13 are connected with the power module (10), the other end of the resistor R7 and the emitter of the triode Q2 are connected with the GND end, the other end of the capacitor C5 is connected with the receiving end of the door contact switch (60) through the resistor R3 and connected with the GND end through the capacitor C4.

7. The adjustable door strike sensor LED controller of claim 1, wherein: The brightness indicating module (70) connected with the power module (10) and the master control module (20) respectively is further included.

8. The adjustable door strike sensor LED controller of claim 7, wherein: The brightness indicating module (70) comprises light emitting diodes D1, D2, D3, a resistor R6 and resistors R8-R9, the light emitting diode D1 and the resistor R6 are connected in series between the power module (10) and the master control module (20), the light emitting diode D2 and the resistor R8 are connected in series between the power module (10) and the master control module (20), the light emitting diode D3 and the resistor R9 are connected in series between the power module (10) and the master control module (20).

9. The adjustable door strike sensor LED controller of claim 8, wherein: The light emitting diodes D1, D2 and D3 emit light of different colors.

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