CN214154915U

CN214154915U - Diode driving circuit and light emitting diode thereof

Info

Publication number: CN214154915U
Application number: CN202023347373.6U
Authority: CN
Inventors: 张积
Original assignee: Shenzhen Light Feel Optoelectronics Co ltd
Current assignee: Shenzhen Light Feel Optoelectronics Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-07
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a diode drive circuit and emitting diode thereof, through the input switch-on commercial power, with the commercial power input extremely the main power supply supplies power, turns into the direct current with the commercial power step-down through the step-down circuit and inputs extremely switch unit, switch unit is provided with the relay, through relay control silicon controlled rectifier switch, make the circuit with the main power supply or stand-by power supply switch-on, detection circuitry is through detecting the main power supply with whether there is the electric current between the diode D3, it is right the switch is controlled, through above-mentioned circuit behind the main power supply fault, can switch immediately the stand-by power supply is provided with the LED banks supplies power, and passes through diode D6 no longer gives out light and reminds the user, the main power supply has damaged needs the maintenance.

Description

Diode driving circuit and light emitting diode thereof

Technical Field

The utility model relates to a light emitting diode technical field especially relates to a diode drive circuit and emitting diode thereof.

Background

The light emitting diode has a small size, is power-saving and durable, and as the manufacturing process is mature and the price is reduced, the light emitting diode is more and more popular recently as a light source. In addition, the light emitting diode has low working voltage (only 1.5-3V), can actively emit light, has certain brightness, and the brightness can be adjusted by voltage or current, and simultaneously has the characteristics of impact resistance, vibration resistance and long service life (10 ten thousand hours).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diode drive circuit and emitting diode thereof, the main power source that aims at connecting lamps and lanterns among the solution prior art need maintain after damaging, can not normal use lamps and lanterns at the in-process of waiting for the maintenance, has influenced daily technical problem who uses.

To achieve the above object, the present invention provides a diode driving circuit, which includes an input terminal, a capacitor C1, a resistor R1, a resistor R2, a resistor R3, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a detection circuit, an LED lamp set, a switching unit, a main power source and a backup power source, wherein the input terminal, the diode D2, the main power source and the diode D4 are sequentially connected in series, one end of the capacitor C1 is electrically connected to the input terminal, the other end of the capacitor C2 is electrically connected to the diode D2, one end of the resistor R2 is electrically connected to the diode D2, the other end of the resistor R2 is electrically connected to the detection circuit, the resistor R1 is connected to the capacitor C1 in parallel, one end of the diode D5 is electrically connected to the diode D1, the other end of the diode D5 is grounded, one end of the switching unit is electrically connected to the detection circuit, the other end of the switch unit is respectively connected with the main power supply and the standby power supply in an electric connection mode, one end of the diode D3 is connected with the main power supply in an electric connection mode, the other end of the diode D3 is connected with the anode of the LED lamp bank in an electric connection mode, one end of the diode D4 is connected with the standby power supply in an electric connection mode, the other end of the diode D4 is connected with the anode of the LED lamp bank in an electric connection mode, and the cathode of the LED lamp bank is grounded.

Wherein, detection circuitry includes resistance R3, resistance R4, phototriode Q1, diode D6, the collecting electrode of phototriode Q1 respectively with resistance R3 with switch unit electric connection, the projecting pole ground connection of phototriode Q1, diode D6 is emitting diode, resistance R4's one end with diode D6 electric connection, resistance R4's the other end with main power supply electric connection.

Wherein, the switch unit is a silicon controlled switch.

The LED lamp group comprises a light emitting diode LED1, a light emitting diode LED2 and a light emitting diode LED3, wherein the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3 are connected in parallel.

The utility model also provides a light emitting diode, including the aforesaid diode drive circuit's emitting diode, still include fixing base, luminous chip, the cover body, refract the board and pivot, luminous chip with fixing base fixed connection, and be located the top of fixing base, the cover body with fixing base fixed connection, and be located the top of fixing base, and be located the top of luminous chip, the pivot with cover body swing joint, and be located the inside of the cover body, refract the board with pivot fixed connection, and be located the lateral wall of pivot.

The light emitting diode further comprises a knob and a transmission belt, the knob is fixedly connected with the fixing seat and is located above the fixing seat, a plurality of clamping grooves are formed in the bottoms of the knob and the rotating shaft, and the transmission belt is movably connected with the knob and the rotating shaft and is located between the knob and the rotating shaft.

The beneficial effects of the utility model are embodied in: the commercial power is connected through the input end, the commercial power is input into the main power supply to be supplied, the capacitor C1, the resistor R1, the diode D1, the resistor R2 and the diode D5 form a voltage reduction circuit, the commercial power is reduced to direct current to be input into the switch unit, the switch unit is provided with a relay, a silicon controlled switch is controlled through the relay, a circuit is connected with the main power supply or the standby power supply, the detection circuit controls the switch by detecting whether current exists between the main power supply and the diode D3, the diode D6 emits light during normal work, when no current exists, the main power supply is in fault, the diode D6 has no brightness, the phototriode Q1 is influenced, and therefore the switch unit is controlled to be immediately switched to the standby power supply, and through the circuit, after the main power supply fails, the standby power supply can be switched immediately to supply power to the LED lamp set, and the diode D6 does not emit light any more to remind a user that the main power supply is damaged and needs to be maintained.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic circuit diagram of a diode driving circuit according to the present invention.

Fig. 2 is a schematic structural diagram of a light emitting diode according to the present invention.

1-input end, 2-switch unit, 3-main power supply, 4-standby power supply, 5-fixing seat, 6-luminous chip, 7-cover body, 8-refraction plate, 9-rotating shaft, 10-knob and 11-driving belt.

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. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the present invention provides a technical solution: a diode driving circuit comprises an input end 1, a capacitor C1, a resistor R1, a resistor R2, a resistor R3, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a detection circuit, an LED lamp set, a switch unit 2, a main power supply 3 and a standby power supply 4, wherein the input end 1, the diode D2, the main power supply 3 and the diode D4 are sequentially connected in series, one end of the capacitor C1 is electrically connected with the input end 1, the other end of the capacitor C2 is electrically connected with the diode D2, one end of the resistor R2 is electrically connected with the diode D2, the other end of the resistor R2 is electrically connected with the detection circuit, the resistor R1 is connected with the capacitor C1 in parallel, one end of the diode D5 is electrically connected with the diode D1, the other end of the diode D5 is grounded, and one end of the switch unit 2 is electrically connected with the detection circuit, the other end of the switch unit 2 is electrically connected with the main power supply 3 and the standby power supply 4, one end of the diode D3 is electrically connected with the main power supply 3, the other end of the diode D3 is electrically connected with the anode of the LED lamp set, one end of the diode D4 is electrically connected with the standby power supply 4, the other end of the diode D4 is electrically connected with the anode of the LED lamp set, the cathode of the LED lamp set is grounded, the detection circuit comprises a resistor R3, a resistor R4, a phototriode Q1 and a diode D6, the collector of the phototriode Q1 is electrically connected with the resistor R3 and the switch unit 2, the emitter of the phototriode Q1 is grounded, the diode D6 is a light emitting diode, one end of the resistor R4 is electrically connected with the diode D6, and the other end of the resistor R4 is electrically connected with the main power supply 3, the switch unit 2 is a silicon controlled switch, the LED lamp set comprises a light emitting diode LED1, a light emitting diode LED2 and a light emitting diode LED3, and the light emitting diode LED1, the light emitting diode LED2 and the light emitting diode LED3 are connected in parallel.

In this embodiment, the input terminal 1 is connected to a commercial power, the commercial power is input to the main power supply 3 for supplying power, the capacitor C1, the resistor R1, the diode D1, the resistor R2 and the diode D5 form a step-down circuit, the commercial power is stepped down and converted into a direct current to be input to the switch unit 2, the switch unit 2 is provided with a relay, a thyristor switch is controlled by the relay, so that a circuit is connected to the main power supply 3 or the backup power supply 4, the detection circuit controls the switch by detecting whether a current exists between the main power supply 3 and the diode D3, the diode D6 emits light during normal operation, when no current exists, the main power supply 3 fails, the diode D6 has no brightness, the phototriode Q1 is affected, and the switch unit 2 is controlled to be immediately switched to the backup power supply 4, through the circuit, after the main power supply 3 breaks down, the standby power supply 4 can be switched immediately to supply power to the LED lamp bank, and the diode D6 does not emit light any more to remind a user that the main power supply 3 is damaged and needs to be maintained.

Please refer to fig. 2, the present invention further provides a light emitting diode, including the diode driving circuit described above, further comprising a fixing base 5, a light emitting chip 6, a cover body 7, a refraction plate 8 and a rotation shaft 9, wherein the light emitting chip 6 is fixedly connected to the fixing base 5 and located above the fixing base 5, the cover body 7 is fixedly connected to the fixing base 5 and located above the light emitting chip 6, the rotation shaft 9 is movably connected to the cover body 7 and located inside the cover body 7, and the refraction plate 8 is fixedly connected to the rotation shaft 9 and located on the outer side wall of the rotation shaft 9.

In this embodiment, through fixing base 5 will emitting diode installs in suitable position, will emitting chip 6 links to each other with the wire, emitting chip 6 sees through cover body 7 gives out light the inside of cover body 7 sets up refraction board 8 restricts the angle that gives off of light, rotates when needing normal light emission pivot 9 makes refraction board 8 perpendicular to the upper surface of fixing base 5 rotates pivot 9, refraction board 8 is rotatory to suitable inclination for the angle that gives off of light diminishes, and light gathering, luminance increases.

Further, the light emitting diode further comprises a knob 10 and a transmission belt 11, the knob 10 is fixedly connected with the fixed seat 5 and is located above the fixed seat 5, a plurality of clamping grooves are formed in the bottoms of the knob 10 and the rotating shaft 9, and the transmission belt 11 is movably connected with the knob 10 and the rotating shaft 9 and is located between the knob 10 and the rotating shaft 9.

In this embodiment, through rotating knob 10, knob 10 drives drive belt 11 is rotatory, drive belt 11 drives pivot 9 is rotatory, thereby reaches control refraction board 8's inclination, knob 10 facilitates the user's operation more.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. A diode driving circuit is characterized by comprising an input end, a capacitor C1, a resistor R1, a resistor R2, a resistor R3, a diode D1, a diode D2, a diode D3, a diode D4, a diode D5, a detection circuit, an LED lamp set, a switch unit, a main power supply and a standby power supply, wherein the input end, the diode D2, the main power supply and the diode D4 are sequentially connected in series, one end of the capacitor C1 is electrically connected with the input end, the other end of the capacitor C2 is electrically connected with the diode D2, one end of the resistor R2 is electrically connected with the diode D2, the other end of the resistor R2 is electrically connected with the detection circuit, the resistor R1 is connected with the capacitor C1 in parallel, one end of the diode D5 is electrically connected with the diode D1, the other end of the diode D5 is grounded, and one end of the switch unit is electrically connected with the detection circuit, the other end of the switch unit is respectively connected with the main power supply and the standby power supply in an electric connection mode, one end of the diode D3 is connected with the main power supply in an electric connection mode, the other end of the diode D3 is connected with the anode of the LED lamp bank in an electric connection mode, one end of the diode D4 is connected with the standby power supply in an electric connection mode, the other end of the diode D4 is connected with the anode of the LED lamp bank in an electric connection mode, and the cathode of the LED lamp bank is grounded.

2. A diode driving circuit as claimed in claim 1, wherein said detection circuit comprises a resistor R3, a resistor R4, a phototransistor Q1, and a diode D6, wherein a collector of said phototransistor Q1 is electrically connected to said resistor R3 and said switching unit, respectively, an emitter of said phototransistor Q1 is grounded, said diode D6 is a light emitting diode, one end of said resistor R4 is electrically connected to said diode D6, and the other end of said resistor R4 is electrically connected to said main power supply.

3. A diode driving circuit as claimed in claim 2, wherein said switching element is a thyristor switch.

4. A diode driving circuit as claimed in claim 3, wherein said LED light group comprises a light emitting diode LED1, a light emitting diode LED2 and a light emitting diode LED3, said light emitting diode LED1, said light emitting diode LED2 and said light emitting diode LED3 are connected in parallel.

5. A light emitting diode, includes the diode drive circuit of claim 4, characterized in that, still includes fixing base, luminous chip, cover body, refracts the board and pivot, luminous chip with fixing base fixed connection, and be located the top of fixing base, the cover body with fixing base fixed connection, and be located the top of fixing base, and be located the top of luminous chip, the pivot with cover body swing joint, and be located the inside of the cover body, refract the board with pivot fixed connection, and be located the lateral wall of pivot.

6. The light-emitting diode according to claim 5, further comprising a knob and a transmission belt, wherein the knob is fixedly connected to the fixing base and located above the fixing base, a plurality of slots are respectively formed at bottoms of the knob and the rotating shaft, and the transmission belt is movably connected to the knob and the rotating shaft and located between the knob and the rotating shaft.