CN214675784U

CN214675784U - Rotary dimming circuit and mobile lighting equipment thereof

Info

Publication number: CN214675784U
Application number: CN202120657322.9U
Authority: CN
Inventors: 赖苑媚
Original assignee: Dongguan Aolei Mobile Lighting Equipment Co Ltd
Current assignee: Dongguan Aolei Mobile Lighting Equipment Co Ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-09
Anticipated expiration: 2031-03-31

Abstract

The utility model belongs to the technical field of lighting device, a rotatory dimmer circuit and mobile lighting equipment thereof is related to, include: the LED drive circuit for driving the LED lamp to work, the optical sensing circuit for detecting optical signals and the signal conversion circuit are connected with the signal conversion circuit, and the optical sensing circuit comprises: an optical sensor U3, the optical sensor U3 including: the light emitting diode and the photosensitive receiving triode are connected with the internal light shade processor, and the internal light shade processor is connected with the signal conversion circuit. Its advantage lies in, only needs rotatory mobile lighting equipment, just can switch different light to realize mobile lighting equipment's intelligent dimming, thereby promote the user and experience in the use of using mobile lighting equipment.

Description

Rotary dimming circuit and mobile lighting equipment thereof

Technical Field

The utility model belongs to the technical field of lighting device, a rotatory dimming circuit and mobile lighting equipment thereof is related to.

Background

Mobile lighting equipment is comparatively common in daily life, and the function is more and more diversified, can realize multiple illumination mode. The existing mobile lighting equipment can control the working state of the equipment through various structural modes such as keys, rotary disc rotation or linear movement switches, but lacks the function of intelligently adjusting the brightness. And the mechanical structure is easy to be damaged when collision happens.

Disclosure of Invention

An object of the utility model is to prior art not enough, provide a rotatory dimming circuit and mobile lighting device thereof, only need rotatory mobile lighting device, just can switch different light to realize mobile lighting device's intelligent light modulation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a rotary dimming circuit, comprising: the LED drive circuit for driving the LED lamp to work, the optical sensing circuit for detecting optical signals and the signal conversion circuit are connected with the signal conversion circuit, and the optical sensing circuit comprises: an optical sensor U3, the optical sensor U3 including: the light emitting diode and the photosensitive receiving triode are connected with the internal light shade processor, and the internal light shade processor is connected with the signal conversion circuit.

Further, the signal conversion circuit comprises a single chip microcomputer U2, an RA0 end of the single chip microcomputer U2 is connected with a CATH end of the optical sensor U3, and an RA1 end of the single chip microcomputer U2 is connected with an ANO end of the optical sensor U3.

Further, the model of the optical sensor U3 is an RPI-1035 surface mount type 4 direction detection optical sensor U3.

Further, the model of the single chip microcomputer U2 is PIC16F 1823.

Further, the singlechip U2 is also connected with a switch circuit.

Further, still be connected with voltage stabilizing circuit on the singlechip U2, voltage stabilizing circuit includes: and an OUT end of the voltage stabilizer U1 is connected with a VDD end of the single chip microcomputer U2.

Further, the LED driving circuit is connected with a power supply.

Further, the LED driving circuit includes: and the EN end of the LED driving chip U4 is connected with the RC1 end of the singlechip U2.

Further, still be connected with power amplifier circuit on the LED drive circuit, power amplifier circuit includes: and the amplifier U5, the amplifier U5 is connected with the LED drive chip U4 and the singlechip U2 simultaneously.

The utility model also provides a mobile lighting device, include: the casing, install the circuit board in the casing, be equipped with on the circuit board rotatory dimmer circuit.

The utility model has the advantages that:

the utility model discloses when the people is inconvenient to press the removal lighting apparatus switch, through setting up RPI-1035 surface mounting formula 4 direction detection optical sensor U3, the internal treater of the light shield that is located optical sensor U3 can carry out the inside intelligent judgement, when the rotary motion changes bright equipment, the user can follow the rotation through the different direction of rotary motion lighting apparatus, the internal treater of light shield also can be followed the rotation, can shelter from the emitting diode and the photosensitive receiving triode inside optical sensor U3 through the internal treater of rotary light shield, thereby the internal treater of light shield can detect there is light, there is no light and there is different direction light, after the internal treater of light shield is handled, send the signal of different signal waveforms to singlechip U2, singlechip U2 detects different signals, through the internal treatment of singlechip U2, thereby realize the transform and the accent of removal lighting apparatus light, the use experience of the user when using the mobile lighting equipment is improved.

Drawings

FIG. 1 is a schematic diagram of the present invention;

fig. 2 is a schematic diagram of the optical sensing circuit, the signal conversion circuit and the voltage stabilizing circuit of the present invention;

Fig. 3 is a schematic diagram of the LED driving circuit of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 3, a rotary dimming circuit includes: the LED drive circuit for driving the LED lamp to work, the optical sensing circuit for detecting optical signals and the signal conversion circuit are connected with the signal conversion circuit, and the optical sensing circuit comprises: an optical sensor U3, the optical sensor U3 including: the light-emitting diode, the photosensitive receiving triode and the internal processor of the light shield are connected, the internal processor of the light shield is connected with the signal conversion circuit, in the embodiment, the number of the light-emitting diodes is 1, and the number of the photosensitive receiving triodes is 2.

In the above embodiment, the signal conversion circuit includes a single chip microcomputer U2, an RA0 end of the single chip microcomputer U2 is connected to a CATH end of the optical sensor U3, an RA1 end of the single chip microcomputer U2 is connected to an ANO end of the optical sensor U3, and a capacitor C1 is further connected between a VDD end and a VSS end of the single chip microcomputer U2, in this embodiment, the model of the single chip microcomputer U2 is PIC16F1823, wherein the capacitor C1 has a capacity of 100 nF.

In the above embodiment, the LED driving circuit is connected to a power supply.

In the foregoing embodiment, the model of the optical sensor U3 is an RPI-1035 surface mount type 4-direction detection optical sensor U3, specifically, a C2 end of the optical sensor U3 is connected to a C1 end, a C1 end of the optical sensor U3 is connected to an E1 end, a C1 end of the optical sensor U3 is connected to an E1 end connection point, the E2 end of the optical sensor U3 is further connected to a resistor R3, the other end of the resistor R3 is grounded, an ANO end of the optical sensor U3 is further connected to a resistor R2, the other end of the resistor R2 is grounded, a TACH end of the optical sensor U3 is further connected to a resistor R1, and the other end of the resistor R1 is grounded, in this embodiment, a resistance value of the resistor R1 is 22k, a resistance value of the resistor R2 is 22k, and a resistance value of the resistor R3 is 390R.

In the above embodiment, the single chip microcomputer U2 is further connected with a switching circuit, and specifically, the switching circuit includes: one end of the switch SW1 and one end of the switch SW1 are connected with the RA4 end of the singlechip U2, and the other end of the switch SW1 is grounded.

In the above embodiment, the single chip microcomputer U2 is further connected to a voltage stabilizing circuit, and the voltage stabilizing circuit includes: stabiliser U1, the OUT end of stabiliser U1 with singlechip U2's VDD end is connected, stabiliser U1's VIN end is connected with power supply circuit's positive link, stabiliser U1's GND end ground connection, still be connected with diode D1 between power supply circuit's positive link and stabiliser U1's VIN end, still be connected with electric capacity C2 between stabiliser U1's VIN end and GND end, still be connected with electric capacity C3 between stabiliser U1's OUT end and GND end, in the embodiment, stabiliser U1's model is BL8503, and electric capacity C2 and electric capacity C3's model are 22uF/6.3v, and diode D1's model is RB 520S.

In the above embodiment, the LED driving circuit includes: an EN end of the LED driving chip U4 is connected to an RC1 end of the single chip microcomputer U2, in the above embodiment, a positive connection end of the LED lamp is connected to a pin SW 1 and a pin SW 9 of the LED driving chip U4, specifically, an inductor L1 is further connected between the pin SW 9 of the LED driving chip U4 and the positive connection end of the LED lamp, a capacitor C5, a capacitor C6 and a capacitor C7 are further sequentially connected between the inductor L1 and the positive connection end of the LED lamp, the other ends of the capacitors C5, C6 and C7 are all grounded, a negative connection end of the LED lamp is connected to the pin 1 of the amplifier U5, the pin FB 3 of the LED driving chip U4 is connected to a power amplifier circuit after being connected to a resistor R5, a resistor R5 is connected in series between a pin OUT 2 of the LED driving chip U4 and the pin FB 3 of the LED driving chip U4, and the other end of the resistor R10 is also connected to a ground resistor R10, in the embodiment, the model of the LED driving chip U4 is MP2145, the inductor L1 is 0.47 μ H, the resistance of the resistor R5 is 330K, the resistance of the resistor R7 is 280K, the resistance of the resistor R10 is 75K, the capacities of the capacitor C4 and the capacitor C5 are both 100nF, the models of the capacitor C6 and the capacitor C7 are both 22uF/10V, and the models of the capacitor C9 and the capacitor C10 are both 22 uF/16V.

In the above embodiment, the LED driving circuit is further connected with a power amplifier circuit, and the power amplifier circuit includes: an amplifier U5, the amplifier U5 is connected with the LED driving chip U4 and the single chip microcomputer U2 at the same time, a pin 1 of the amplifier U2 is connected with a negative connecting end of the LED lamp after being connected with a resistor R2 in series, a resistor R2 is further connected between the resistor R2 and the negative connecting end of the LED lamp, the other end of the resistor R2 is grounded, a pin 4 of the amplifier U2 is connected with a pin FB 3 of the LED driving chip U2, the pin 3 of the amplifier U2 is connected with a pin RC2 of the single chip microcomputer U2, specifically, a capacitor C2 is further connected between the pin 3 of the amplifier U2 and the pin RC2 of the single chip microcomputer U2 in series, the other end of the capacitor C2 is grounded, a resistor R2 is further connected between the pin 2 of the amplifier U2 and the pin 3 of the amplifier U2, a capacitor C2 is further connected with the other end of the capacitor C2 in series, and a positive connecting end of the capacitor C2 in series is connected with the resistor R2 and the LED driving chip 2 in series, the positive connecting end of the LED lamp 2 in series, the amplifier U2 in series. A capacitor C10 is further connected between the resistor R2 and the pin No. 5 of the amplifier U5, and the other end of the capacitor C10 is grounded, in this embodiment, the model number of the amplifier U5 is TLV333, the resistance value of the resistor R4 is 100R, the resistance value of the resistor R6 is 20k, the resistance value of the resistor R8 is 200k, the resistance value of the resistor R9 is 470k, the resistance value of the resistor R11 is 20mR, the resistance value of the resistor R12 is 20k, the capacity of the capacitor C10 is 100nF, and the capacities of the capacitor C11 and the capacitor C3 are both 100 nF.

The working principle is as follows: when the lighting function of the mobile lighting equipment is turned on, the key SW1 is pressed, the IO end AN3 of the single chip microcomputer U2 detects a low level signal, the low level signal is processed inside the single chip microcomputer U2, a high level is output through the RC1 end and the RC2 end of the single chip microcomputer U2 to control the LED driving chip U4 to work, the LED driving chip U4 supplies power to AN LED + and AN LED-through internal processing, and constant current output is controlled through the amplifier U5, so that the LED lamp is controlled to be turned on, and loss is reduced; the optical sensor U3 is a surface-mounted 4-direction detection optical sensor U3 which is not interfered by a magnetic field compared with an electromagnetic product, so that the optical sensor U8932 can accurately detect 4 directions of up, down, left and right, in the using process, a user rotates and moves the lighting equipment to different directions, a light shielding object in the optical sensor U3 can rotate along with the rotation, the internal light emitting diode and a photosensitive receiving triode can be shielded by the rotating light shielding object, an internal processor in the optical sensor U3 can detect light, no light and light with different directions, after the light is processed by an internal processor of a cylindrical light shielding object, signals with different signal waveforms are sent to the singlechip U2 through an ANO end and a CATH section of the optical sensor U3, different signals are detected through an RA0 end and an RA1 end of the singlechip U2 and are processed in the singlechip U2, and the RC1 end and the RC2 end of the singlechip U2 are controlled to control the conversion and gear shifting of the LED lamp, in addition, the present invention is not limited to the above-described embodiments, and various modifications and changes can be made without departing from the scope of the present invention.

Claims

1. A rotary dimming circuit, comprising: the LED drive circuit for driving the LED lamp to work, the optical sensing circuit for detecting optical signals and the signal conversion circuit are connected with the signal conversion circuit, and the optical sensing circuit comprises: an optical sensor U3, the optical sensor U3 including: the light emitting diode and the photosensitive receiving triode are connected with the internal light shade processor, and the internal light shade processor is connected with the signal conversion circuit.

2. The rotary dimming circuit of claim 1, wherein the signal conversion circuit comprises a single-chip microcomputer U2, the terminal RA0 of the single-chip microcomputer U2 is connected to the CATH terminal of the optical sensor U3, and the terminal RA1 of the single-chip microcomputer U2 is connected to the ANO terminal of the optical sensor U3.

3. A rotary dimmer circuit as claimed in claim 1 or 2, wherein said optical sensor U3 is of the type RPI-1035 surface mount 4 direction sensing optical sensor U3.

4. The rotary dimming circuit according to claim 2, wherein the single chip microcomputer U2 is of type PIC16F 1823.

5. The rotary dimming circuit according to claim 4, wherein a switching circuit is further connected to the single chip microcomputer U2.

6. The rotary dimming circuit according to claim 5, wherein a voltage regulator circuit is further connected to the single chip microcomputer U2, and the voltage regulator circuit comprises: and an OUT end of the voltage stabilizer U1 is connected with a VDD end of the single chip microcomputer U2.

7. A rotary dimmer circuit as claimed in claim 6, wherein the LED driver circuit is connected to a power supply.

8. The rotary dimming circuit of claim 7, wherein the LED driving circuit comprises: and the EN end of the LED driving chip U4 is connected with the RC1 end of the singlechip U2.

9. The rotary dimming circuit according to claim 8, wherein a power amplifier circuit is further connected to the LED driving circuit, and the power amplifier circuit comprises: and the amplifier U5, the amplifier U5 is connected with the LED drive chip U4 and the singlechip U2 simultaneously.

10. A mobile lighting device, comprising: a housing, wherein a circuit board is mounted in the housing, and a rotary dimming circuit as claimed in any one of claims 1 to 9 is arranged on the circuit board.