CN215808017U - Touch type footlight with adjustable brightness - Google Patents

Abstract

The utility model discloses a touch type footlight with adjustable brightness, which comprises a base and a panel clamped with the base, wherein a control circuit board is arranged between the panel and the base, a control circuit for adjusting the brightness of an LED lamp bank is arranged on the control circuit board, and a switch adjusting assembly is arranged on the panel and is electrically connected with the control circuit; the control circuit comprises a dimming chip U2 and a switch control circuit electrically connected with the dimming chip U2, and the LED lamp group circuit is electrically connected with the switch control circuit; the switch adjusting component is electrically connected with a signal acquisition pin of the dimming chip U2. This scheme carries out electrodeless dimming to human response footlamp through adjusting part, has improved user's eyes comfort level night.

Description

Touch type footlight with adjustable brightness

Technical Field

The utility model relates to the technical field of illumination, in particular to a touch type footlight with adjustable brightness.

Background

The footlamp is called as a wall lamp in the field of illumination, the footlamp is suitable for being installed indoors at a distance of 0.3m, the commonly adopted light source comprises an energy-saving lamp and an incandescent filament, and along with the technical progress, a large number of LED lamp sets are adopted as the illumination light source at present. The LED lamp emits soft light, is free of radiation, low in failure rate, convenient to maintain, low in temperature rise, long in service life, low in power consumption, and low in protection grade IP64, can achieve color change adjustment of red, yellow, blue, green and white colors, and adopts cast aluminum and toughened glass as outer covers for a small amount of activity of people at night. Such as moving to a toilet, a porch and the like. The common lamp can influence the rest of others at night, and the footlight can not. General hospital wards are provided with. Meanwhile, the LED lamp is also suitable for landscape lighting scenes such as square, garden, street lighting and the like. However, the existing footlights generally have the condition that the light is too bright or too dark, and are easy to cause discomfort to eyes of users during night activities.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that different users have different requirements on the light brightness of the foot lamp, and provides the touch foot lamp with adjustable brightness.

In order to achieve the technical purpose, the utility model provides a touch type footlight with adjustable brightness, which comprises a base and a panel clamped with the base, wherein a control circuit board is arranged between the panel and the base, a control circuit for adjusting the brightness of an LED lamp bank is arranged on the control circuit board, and a switch adjusting assembly is arranged on the panel and is electrically connected with the control circuit.

Preferably, the control circuit comprises a dimming chip U2 and a switch control circuit electrically connected with the dimming chip U2, and the LED lamp group circuit is electrically connected with the switch control circuit; the switch adjusting component is electrically connected with a signal acquisition pin of the dimming chip U2.

Preferably, the power supply circuit comprises a rectifying circuit for converting the alternating circuit into direct current, a voltage stabilizing circuit electrically connected with the output end of the rectifying circuit and a voltage reducing circuit electrically connected with the output end of the voltage stabilizing circuit; the output end of the voltage stabilizing circuit is electrically connected with the input end of the LED lamp set circuit, and the output end of the voltage reducing circuit is electrically connected with the power supply end of the dimming chip U2.

Preferably, the rectifier circuit includes a capacitor C1, a first end of the capacitor C1 is electrically connected to the L terminal of the external power source, the capacitor C1 is connected in parallel with a resistor R1, a second end of the capacitor C1 is electrically connected to a first end of a resistor R2, a second end of the resistor R2 is electrically connected to the first pin of the rectifier, the L terminal of the external power source is electrically connected to the third pin of the rectifier, and the second pin and the fourth pin of the rectifier are electrically connected to the input terminal of the regulator circuit, respectively.

Preferably, the voltage stabilizing circuit comprises a capacitor C2, a second electrical pin of the rectifier is electrically connected to a first end of a capacitor C2, a second end of a capacitor C2 is electrically connected to a fourth electrical pin of the rectifier, a first end of a capacitor C2 is electrically connected to a first end of a capacitor C3, a second end of a capacitor C3 is electrically connected to a second end of a capacitor C2, a first end of a capacitor C3 is electrically connected to a cathode end of a diode Z1 and serves as a power input end of the voltage stabilizing circuit, and an anode end of a diode Z1 is electrically connected to a second end of the capacitor C3 and is grounded.

Preferably, the voltage reduction circuit includes a resistor R3, a first terminal of the resistor R3 is electrically connected to a first terminal of a capacitor C3, a second terminal of the resistor R3 is electrically connected to a first terminal of a voltage stabilization chip U1, a third terminal of the voltage stabilization chip U1 is electrically connected to a first terminal of a capacitor C4, a second terminal of the capacitor C4 is electrically connected to a second terminal of the voltage stabilization chip U1 and grounded, a first terminal of a capacitor C4 is electrically connected to a first terminal of a capacitor C5, a second terminal of a capacitor C5 is electrically connected to a second terminal of the capacitor C4, a first terminal of a capacitor C4 is electrically connected to a third terminal of a dimming chip U2, and a fourth terminal of the dimming chip U2 is electrically connected to a second terminal of a capacitor C5.

Preferably, the dimming chip U2 is an RH6618A dimming driving chip, the second pin of the dimming chip U2 is connected to the fourth pin through a capacitor C6, the fifth pin of the dimming chip U2 is electrically connected to the adjusting component through a resistor R5, and the seventh pin of the dimming chip U2 is electrically connected to the LED lamp set circuit through a switch control circuit.

Preferably, the LED lamp set circuit comprises a resistor R6 and a plurality of diodes connected in series in sequence; one end of the resistor R6 is electrically connected with the power output end of the voltage stabilizing circuit, the other end of the resistor R6 is electrically connected with the anode end of the diode in series, and the cathode of the diode in series is electrically connected with the switch control circuit.

Preferably, the switch control circuit comprises a resistor R4 and a transistor Q1, one end of the resistor R4 is electrically connected with the seventh pin of the dimming chip U2, and the resistor R4 is electrically connected with the base of the transistor Q1; the collector of the triode Q1 is connected with the cathode of the diode connected in series; the emitter of transistor Q1 is connected to ground.

Preferably, the switch adjusting assembly comprises a switch assembly and an adjusting assembly, and the switch assembly comprises one of an infrared sensing switch or a pressure sensing switch; the adjusting component comprises a touch patch TS arranged on the outer end face of the panel, and a signal output end of the touch chip TS is electrically connected with a fifth pin of the dimming chip U2 through a resistor R5.

The utility model has the beneficial effects that: the touch type footlight with adjustable brightness can provide illumination for night activities of users, meanwhile, the brightness of the footlight can be manually adjusted according to the requirements and preferences of the users, PWM stepless dimming is adopted, the high requirements of different crowds on the brightness of light are met, and a more comfortable illumination environment is provided for the night activities of the users.

Drawings

Fig. 1 is a structural diagram of a touch type footlight with adjustable brightness according to the present invention.

Fig. 2 is an exploded view of a touch type floor lamp with adjustable brightness according to the present invention.

Fig. 3 is a first schematic circuit diagram of a control circuit of a touch type floor lamp with adjustable brightness according to the present invention.

Fig. 4 is a schematic diagram of a partial circuit of a control circuit of a touch type footlight with adjustable brightness according to the second embodiment of the present invention.

The notation in the figure is: the LED lamp comprises a panel 1, a mounting base 2, a control circuit board 3, a switch assembly 111, a regulating assembly 112, a support 21, an interface 22, an LED lamp group 31, a voltage reduction circuit 32 and an LED lamp group 33.

Detailed Description

For the purpose of better understanding the objects, technical solutions and advantages of the present invention, the following detailed description of the present invention with reference to the accompanying drawings and examples should be understood that the specific embodiment described herein is only a preferred embodiment of the present invention, and is only used for explaining the present invention, and not for limiting the scope of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts shall fall within the scope of the present invention.

As shown in fig. 1 and 2, a structure view of a touch type footlight with adjustable brightness, having a mounting base 2 and a panel 1 assembled therewith, the panel 1 having an operation surface, the panel 1 or the operation surface having a standard size or smaller suitable for an electrical accessory product; a control circuit board 3 is installed between the panel 1 and the installation base 2, and is mainly used for detecting an electric signal from a switch adjusting component arranged on the operation surface 11 to trigger the on/off of the LED lamp group 31. The switch adjustment assembly comprises a switch assembly 111 and an adjustment assembly 112, wherein the switch assembly 111 can be implemented by an infrared sensing switch or a pressure sensing switch, and when the pressure sensing switch is used, the power supply path to the LED lamp bank circuit 33 can be manually switched on and off, so that the current footlight device can be selectively and continuously turned on or off. In addition, the current amplitude of the LED lamp group circuit electrically connected with the LED assembly is adjusted by arranging the adjusting assembly 112 so as to realize brightness conversion.

The control circuit may be attached to a recessed location on the bracket 21 of the mounting base 2 while the ac/dc power source within the building wall may be accessed through the interface 22. The power transformation assembly can adopt a resistance-capacitance voltage reduction circuit 32 to obtain power supply so as to provide required electric energy for the LED light source and a control chip on the control circuit. The adjusting component 112 has a touch patch TS, can adopt a one-way touch mode, performs on-off control by short pressing, performs cyclic dimming by long pressing, and has a PWM output memory function; the touch chip adopts PWM waveform output to carry out switching operation on the triode so as to realize the adjustment of the brightness of the LED lamp bank.

The control circuit board is printed with a control circuit for controlling the brightness adjustment of the LED lamp bank, and the control circuit comprises a dimming chip U2 and a switch control circuit electrically connected with the dimming chip U2, and the LED lamp bank circuit is electrically connected with the switch control circuit; the switch adjusting component is electrically connected with a signal acquisition pin of the dimming chip U2.

The power supply circuit comprises a rectifying circuit for converting the alternating circuit into direct current, a voltage stabilizing circuit electrically connected with the output end of the rectifying circuit and a voltage reducing circuit electrically connected with the output end of the voltage stabilizing circuit; the output end of the voltage stabilizing circuit is electrically connected with the input end of the LED lamp set circuit, and the output end of the voltage reducing circuit is electrically connected with the power supply end of the dimming chip U2.

As shown in fig. 3, the rectifier circuit includes a capacitor C1, a first end of the capacitor C1 is electrically connected to the L terminal of the external power source, a capacitor C1 is connected in parallel to a resistor R1, a second end of the capacitor C1 is electrically connected to a first end of a resistor R2, a second end of the resistor R2 is electrically connected to the first pin of the rectifier, the L terminal of the external power source is electrically connected to the third pin of the rectifier, and the second pin and the fourth pin of the rectifier are electrically connected to the input end of the voltage regulator circuit, respectively; the voltage stabilizing circuit comprises a capacitor C2, a second electric pin of the rectifier is electrically connected with a first end of a capacitor C2, a second end of a capacitor C2 is electrically connected with a fourth electric pin of the rectifier, a first end of a capacitor C2 is electrically connected with a first end of a capacitor C3, a second end of a capacitor C3 is electrically connected with a second end of a capacitor C2, a first end of a capacitor C3 is electrically connected with a cathode end of a diode Z1 and serves as a power supply input end of the voltage stabilizing power supply, and an anode end of a diode Z1 is electrically connected with a second end of the capacitor C3 and is grounded.

As shown in fig. 4, the voltage dropping circuit includes a resistor R3, a first terminal of the resistor R3 is electrically connected to a first terminal of a capacitor C3, a second terminal of the resistor R3 is electrically connected to a first terminal of a voltage stabilizing chip U1, a third terminal of the voltage stabilizing chip U1 is electrically connected to a first terminal of a capacitor C4, a second terminal of the capacitor C4 is electrically connected to a second terminal of the voltage stabilizing chip U1 and grounded, a first terminal of a capacitor C4 is electrically connected to a first terminal of a capacitor C5, a second terminal of a capacitor C5 is electrically connected to a second terminal of the capacitor C4, a first terminal of a capacitor C4 is electrically connected to a third terminal of a dimming chip U2, and a fourth terminal of a dimming chip U2 is electrically connected to a second terminal of a capacitor C5.

The dimming chip U2 is RH6618A dimming drive chip, and dimming chip U2's second pin passes through electric capacity C6 and is connected with the fourth pin, and dimming chip U2's fifth pin passes through resistance R5 and is connected with adjusting part electricity, and dimming chip U2's seventh pin passes through the switch control circuit and is connected with LED banks circuit electricity.

The LED lamp group circuit comprises a resistor R6 and a plurality of diodes which are sequentially connected in series; one end of the resistor R6 is electrically connected with the power output end of the voltage stabilizing circuit, the other end of the resistor R6 is electrically connected with the anode end of the diode connected in series, and the cathode of the diode connected in series is electrically connected with the switch control circuit; as shown in fig. 4, a specific LED lamp set structure schematic diagram includes a resistor R6, a diode D1, a diode D2, a diode D3, and a diode D4; one end of the resistor R6 is electrically connected with a power output end of the rectifying circuit, the other end of the resistor R6 is electrically connected with an anode end of the diode D1, a cathode end of the diode D1 is electrically connected with an anode end of the diode D2, and a cathode end of the diode D2 is electrically connected with an anode end of the diode D3; the cathode terminal of the diode D3 is electrically connected to the anode terminal of the diode D4; the cathode terminal of the diode D4 is electrically connected to the anode terminal of the diode D5; the cathode end of the diode D5 is electrically connected with a switch control circuit, the switch control circuit comprises a resistor R4 and a triode Q1, one end of the resistor R4 is electrically connected with the seventh pin of the dimming chip U2, and the resistor R4 is electrically connected with the base electrode of the triode Q1; the collector of the triode Q1 is connected with the cathode of the diode connected in series; the emitter of transistor Q1 is connected to ground.

The above-mentioned embodiments are preferred embodiments of the touch type adjustable-brightness footlight of the present invention, and the scope of the present invention is not limited thereto, and the present invention includes and is not limited thereto, and all equivalent changes in shape and structure according to the present invention are within the protection scope of the present invention.

Claims (10)

1. The utility model provides a luminance adjustable touch footing light which characterized in that: the LED lamp bank brightness adjusting device comprises a base and a panel connected with the base in a clamped mode, a control circuit board is arranged between the panel and the base, a control circuit used for adjusting the brightness of an LED lamp bank is arranged on the control circuit board, a switch adjusting assembly is arranged on the panel, and the switch adjusting assembly is electrically connected with the control circuit.

2. A touch sensitive footlight with adjustable brightness as claimed in claim 1, wherein: the control circuit comprises a dimming chip U2 and a switch control circuit electrically connected with the dimming chip U2, and the LED lamp group circuit is electrically connected with the switch control circuit; the switch adjusting component is electrically connected with a signal acquisition pin of the dimming chip U2.

3. A touch sensitive footlight with adjustable brightness as claimed in claim 2, wherein: the power supply circuit comprises a rectifying circuit for converting the alternating circuit into direct current, a voltage stabilizing circuit electrically connected with the output end of the rectifying circuit and a voltage reducing circuit electrically connected with the output end of the voltage stabilizing circuit; the output end of the voltage stabilizing circuit is electrically connected with the input end of the LED lamp set circuit, and the output end of the voltage reducing circuit is electrically connected with the power supply end of the dimming chip U2.

4. A touch sensitive footlight with adjustable brightness as claimed in claim 3, wherein: the rectifying circuit comprises a capacitor C1, wherein the first end of the capacitor C1 is electrically connected with the L end of an external power source, the capacitor C1 is connected with a resistor R1 in parallel, the second end of the capacitor C1 is electrically connected with the first end of a resistor R2, the second end of a resistor R2 is electrically connected with the first electric pin of a rectifier, the L end of the external power source is electrically connected with the third electric pin of the rectifier, and the second electric pin and the fourth electric pin of the rectifier are respectively electrically connected with the input end of the voltage stabilizing circuit.

5. A touch sensitive footlight with adjustable brightness as claimed in claim 4, wherein: the voltage stabilizing circuit comprises a capacitor C2, wherein a second electric pin of the rectifier is electrically connected with a first end of a capacitor C2, a second end of a capacitor C2 is electrically connected with a fourth electric pin of the rectifier, a first end of a capacitor C2 is electrically connected with a first end of a capacitor C3, a second end of a capacitor C3 is electrically connected with a second end of a capacitor C2, a first end of a capacitor C3 is electrically connected with a cathode end of a diode Z1 and serves as a power supply input end of the voltage stabilizing power supply, and an anode end of a diode Z1 is electrically connected with a second end of the capacitor C3 and is grounded.

6. A touch sensitive footlight with adjustable brightness as claimed in claim 5, wherein: the voltage reduction circuit comprises a resistor R3, a first end of a resistor R3 is electrically connected with a first end of a capacitor C3, a second end of the resistor R3 is electrically connected with a first electric pin of a voltage stabilizing chip U1, a third electric pin of the voltage stabilizing chip U1 is electrically connected with a first end of a capacitor C4, a second electric pin of a capacitor C4 is electrically connected with a second electric pin of the voltage stabilizing chip U1 and grounded, a first end of a capacitor C4 is electrically connected with a first end of a capacitor C5, a second end of a capacitor C5 is electrically connected with a second end of the capacitor C4, a first end of a capacitor C4 is electrically connected with a third pin of a dimming chip U2, and a fourth pin of the dimming chip U2 is electrically connected with a second end of a capacitor C5.

7. A touch sensitive footlight with adjustable brightness as claimed in claim 2, 3 or 5, wherein: the dimming chip U2 is RH6618A dimming drive chip, and dimming chip U2's second pin passes through electric capacity C6 and is connected with the fourth pin, and dimming chip U2's fifth pin passes through resistance R5 and is connected with adjusting part electricity, and dimming chip U2's seventh pin passes through switch control circuit and LED lamp pearl circuit electricity and is connected.

8. A touch sensitive footlight with adjustable brightness as claimed in claim 2, wherein: the LED lamp group circuit comprises a resistor R6 and a plurality of diodes which are sequentially connected in series; one end of the resistor R6 is electrically connected with the power output end of the voltage stabilizing circuit, the other end of the resistor R6 is electrically connected with the anode end of the diode in series, and the cathode of the diode in series is electrically connected with the switch control circuit.

9. A touch sensitive footlight with adjustable brightness as claimed in claim 8, wherein: the switch control circuit comprises a resistor R4 and a triode Q1, one end of the resistor R4 is electrically connected with a seventh pin of the dimming chip U2, and the resistor R4 is electrically connected with the base electrode of the triode Q1; the collector of the triode Q1 is connected with the cathode of the diode connected in series; the emitter of transistor Q1 is connected to ground.

10. A touch sensitive footlight with adjustable brightness as claimed in claim 2 or 8, wherein: the switch adjusting assembly comprises a switch assembly and an adjusting assembly, and the switch assembly comprises one of an infrared induction switch or a pressure induction switch; the adjusting component comprises a touch patch TS arranged on the outer end face of the panel, and a signal output end of the touch patch TS is electrically connected with a fifth pin of the dimming chip U2 through a resistor R5.

Images