CN219107711U - camping lights - Google Patents

Abstract

The present application relates to a camping light, comprising: a first light-emitting unit, including a first group of LED lamp beads and a second group of LED lamp beads with different color temperatures, and the first group of LED lamp beads and the second group of LED lamp beads are respectively connected in series The first switch tube and the second switch tube of the lamp beads; the second light-emitting unit, including RGB lamp beads and a dimming unit that controls the on-off of the RGB lamp beads, and the RGB lamp beads include three kinds of parallel lights with different colors beads; a main control unit, having a first signal output end, a second signal output end, and a third signal output end respectively coupled to the first switch tube, the second switch tube, and the dimming unit; a power supply unit, Power is supplied to the main control unit, the first light emitting unit and the second light emitting unit. In addition to the basic color temperature conversion of the first light-emitting unit, the camping lamp of the present application can also control various light colors through the second light-emitting unit combined with the first light-emitting unit. It meets the diverse needs of outdoor camping and realizes light adjustment in various situations.

Description

camping lights

technical field

The present application relates to the technical field of lighting, in particular to a camping lamp.

Background technique

In recent years, there has been an upsurge of outdoor camping in society. When camping outdoors, people use lighting fixtures for lighting to meet lighting needs and adjust the atmosphere. The patent with publication number CN211481549U discloses a dimming and color adjustment system for outdoor lamps, which can be used outdoors. It has a dual-color temperature LED light source module, and the color temperature can be adjusted and controlled through a control platform.

However, the dimming and color matching system for outdoor lamps can only switch between high and low color temperatures and the fusion range of the two color temperatures. The function of light adjustment is relatively single, which cannot meet the diverse needs of users for outdoor camping.

Utility model content

Based on this, it is necessary to provide a camping light aiming at the above technical problems.

This application for camping lights includes:

The first light-emitting unit includes a first group of LED lamp beads and a second group of LED lamp beads with different color temperatures, and a first switch tube and a second group of LED lamp beads respectively connected in series. turning tube;

The second light-emitting unit includes RGB lamp beads and a dimming unit that controls the on-off of the RGB lamp beads, and the RGB lamp beads include three parallel-connected lamp beads with different colors;

The main control unit has a first signal output terminal, a second signal output terminal and a third signal output terminal respectively coupled to the first switch tube, the second switch tube and the dimming unit;

The power supply unit supplies power to the main control unit, the first light emitting unit and the second light emitting unit.

The following also provides several optional ways, but they are not used as additional limitations on the above-mentioned overall scheme, but are only further additions or optimizations. On the premise of no technical or logical contradiction, each optional way can be carried out independently for the above-mentioned overall scheme Combination can also be a combination of multiple options.

Optionally, the main control unit has an adjustment input end, and the adjustment input end is grounded via an adjustment switch, and the adjustment switch is used to change the conduction angles of the first switch tube and the second switch tube.

Optionally, the first signal output terminal is used to output a first PWM signal and is coupled to the gate of the first switching transistor;

The second signal output end is used for outputting a second PWM signal and is coupled to the gate of the second switch transistor.

Optionally, the power supply unit has a power interface, and the power interface is a type-C interface for charging or discharging.

Optionally, the camping light further includes a DC boost circuit, and the power supply unit supplies power to the first light emitting unit and the second light emitting unit via the DC boost circuit.

Optionally, the DC step-up circuit includes a power input terminal and a power output terminal,

The power input end is coupled to the power supply unit for power supply, and grounded via a first capacitor;

The output terminal of the power supply is grounded via the second capacitor.

Optionally, the DC boost circuit includes a boost chip and its peripheral circuit, and the peripheral circuit includes a third switch tube coupled between the power input terminal and the ground wire,

The boost chip has:

an enabling terminal coupled to the power input terminal;

a power supply terminal coupled to the power input terminal;

The control terminal is coupled to the gate of the third switch tube.

Optionally, a Zener diode is coupled between the power supply input terminal and the power supply output terminal.

Optionally, the boost chip has a feedback terminal, and the feedback terminal is coupled to the ground.

The camping lamp of the present application has at least the following technical effects: the camping lamp of the present application independently controls the first light-emitting unit and the second light-emitting unit through the main control unit, and the adjustment methods are diversified. In addition to the basic color temperature conversion of the first light-emitting unit, multiple light colors can also be controlled through the second light-emitting unit in combination with the first light-emitting unit. It meets the diverse needs of outdoor camping and realizes light adjustment in various situations.

Description of drawings

Fig. 1 is a schematic diagram of a module structure of a camping light in an embodiment of the present application;

Fig. 2 is a schematic circuit diagram of the first light-emitting unit in an embodiment of the present application;

FIG. 3 is a circuit schematic diagram of a DC boost circuit in an embodiment of the present application;

FIG. 4 is a schematic circuit diagram of a second light emitting unit in an embodiment of the present application;

The reference signs in the figure are explained as follows:

100. The first light-emitting unit; 110. The first group of LED lamp beads; Q1. The first switch tube; 120. The second group of LED lamp beads; Q2. The second switch tube;

200. The second light emitting unit; 210. RGB lamp beads; 220. The dimming unit;

300. The main control unit; 310. The first signal output terminal; 320. The second signal output terminal; 330. The third signal output terminal; 340. The adjustment input terminal;

400. a power supply unit; 500. a DC boost circuit.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some, not all, embodiments of the application. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

It should be noted that when a component is referred to as being "coupled" to another component, it can be directly connected to the other component or intervening components may also exist. When a component is said to be "set on" another component, it may be set directly on the other component or there may be an intervening component at the same time.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the description of the application are only for the purpose of describing specific embodiments, and are not intended to limit the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the present application, the terms "first", "second" and so on are only used for descriptive purposes, and should not be understood as indicating or implying relative importance or implicitly indicating the quantity and order of the indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

In this application, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion, for example, a system, product or device comprising a series of elements is not necessarily limited to those elements explicitly listed, but may include other units not expressly listed or inherent to those products or equipment.

An embodiment of the present application provides a camping light, which includes a first light emitting unit 100 , a second light emitting unit 200 , a main control unit 300 , and a power supply unit 400 for supplying power to the above three.

Wherein, the first light-emitting unit 100 includes a first group of LED lamp beads 110 and a second group of LED lamp beads 120 with different color temperatures, and a first switch connected in series with the first group of LED lamp beads 110 and the second group of LED lamp beads 120 respectively. tube Q1 and the second switch tube Q2.

The color temperatures of the first group of LED lamp beads 110 and the second group of LED lamp beads 120 can be, for example, yellow and white respectively. current, thereby changing the light intensity and color temperature of the first light emitting unit 100 .

The second light-emitting unit 200 includes RGB lamp beads 210 and a dimming unit 220 for controlling the RGB lamp beads 210 to be turned on and off. The RGB lamp beads 210 include three parallel-connected lamp beads with different colors. RGB LED refers to LED R+, LED G+, LED B+, and three colors of red, green, and blue LEDs.

The main control unit 300 has a first signal output terminal 310 , a second signal output terminal 320 and a third signal output terminal 330 respectively coupled to the first switch tube Q1 , the second switch tube Q2 and the dimming unit 220 . The first signal output terminal 310 is used to output the first PWM signal (PWM1), and is coupled to the gate of the first switching transistor Q1; the second signal output terminal 320 is used to output the second PWM signal (PWM2), and is coupled to to the gate of the second switching transistor Q2.

Further, the main control unit 300 has an adjustment input end 340, and the adjustment input end 340 is grounded through an adjustment switch SW, and the adjustment switch SW is used to change the conduction angles of the first switch tube Q1 and the second switch tube Q2. The main control unit 300 can be, for example, a single-chip microcomputer or other control center, and different circuit control modes can be preset inside it. The main control unit 300 detects whether the adjustment switch SW is turned on or off, specifically by adjusting the level of the potential change detected by the input terminal 340 , as well as the change frequency and the number of changes for corresponding control. For example, the detection adjustment switch SW is triggered twice consecutively within a certain period of time to drive the first light emitting unit 100 and the second light emitting unit 200 to be turned on, so as to prevent accidental turning on. Controlling the first light emitting unit 100 and the second light emitting unit 200 is realized through the first signal output terminal 310 and the second signal output terminal 320 of the main control unit 300 .

Since this embodiment provides a power supply unit instead of being powered by commercial power, it is suitable for outdoor camping. The first light-emitting unit 100 and the second light-emitting unit 200 used in the camping light provided in this embodiment are controlled independently, and the adjustment methods are diversified. In addition to the basic color temperature conversion of the first light-emitting unit, multiple light colors can also be controlled through the second light-emitting unit in combination with the first light-emitting unit. It meets the diverse needs of outdoor camping and realizes light adjustment in various situations.

The power supply unit 400 in this embodiment refers to a mobile power supply, and a polymer lithium battery can be selected to meet the needs of outdoor use. The power supply unit 400 has a power interface, which is a type-C interface for charging or discharging, and can be used as a power bank. The identification of charging or discharging can be carried out through the existing interface identification circuit.

In this embodiment, the optional basic functions of the camping lamp are diversified, and the dimming modes are diversified. The use of high-capacity polymer lithium batteries is used to meet the needs of long-term battery life and high illuminance for camping lights. The main control unit controls the first light-emitting unit and the second light-emitting unit through the first signal output terminal 310, the second signal output terminal 320 and the third signal output terminal 330, such as stepless dimming function, color adjustment function, Ambient light function, SOS function (such as configuring a buzzer, or the main control unit displaying a light distress signal).

Further, the camping light further includes a DC boost circuit 500 , and the power supply unit 400 supplies power to the first light emitting unit 100 and the second light emitting unit 200 through the DC boost circuit 500 . The DC boost circuit 500 includes a power input terminal BAT and a power output terminal DC+. The power input terminal BAT is coupled to the power supply unit for power supply and is grounded through the first capacitor C1; the power output terminal DC+ is grounded through the second capacitor C2.

The DC boost circuit 500 includes a boost chip U2 and its peripheral circuits, and the peripheral circuits include a third switch tube Q3 coupled between the power input terminal BAT and the ground. The model of the boost chip U2 can be, for example, ME2169. The boost chip U2 has an enabling terminal EN, a power supply terminal VDD, a control terminal EXT, a feedback terminal FB, a current limiting terminal VSENSE, and a grounding terminal VSS.

Wherein, the enable terminal EN is coupled to the power input terminal BAT; the power supply terminal VDD is coupled to the power input terminal BAT; the control terminal EXT is coupled to the gate of the third switching tube Q3; the feedback terminal FB is coupled to the ground wire GND, The current-limiting terminal VSENSE is grounded through a resistor, and the grounding terminal VSS is coupled to the ground line GND. Specifically, the feedback terminal FB is wired via the resistor R5 and coupled to the power supply output terminal DC+ via the resistor R6. A Zener diode D1 is also coupled between the power input terminal BAT and the power output terminal DC+. The peripheral circuit also includes an inductor L1, the first end of the inductor L1 is coupled to the power input terminal BAT, the second end is coupled to the control terminal EXT through the third switch tube Q3, and is coupled to the power output terminal DC+ through the Zener diode D1 .

The dimming unit 220 can be, for example, a chip U3 whose model is BP1658CJ. Chip U3 has power supply terminal VCC, SDA data input terminal, SLK clock signal input terminal, and also has OUT2 terminal, OUT3 terminal and OUT1 terminal respectively coupled to the negative pole of lamp bead R+, lamp bead G+, and lamp bead B+. Wherein, the power supply terminal VCC is coupled to the power supply unit to realize power supply, specifically coupled to the power output terminal DC+ of the DC boost circuit 500; both the SDA data input terminal and the SLK clock signal input terminal serve as the third signal output terminal 330 at the same time. After receiving the control signal from the main control unit 300, the RGB lamp beads are controlled accordingly. The SDA data input terminal is used to control the lighting mode of the RGB lamp beads 210 , and the SLK clock signal input terminal is used to adjust the lighting time of the RGB lamp beads 210 . The control of the RGB lamp bead 210 by the dimming unit 220 is realized through the internal control circuit of the chip U3.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification. When the technical features in different embodiments are embodied in the same drawing, it can be considered that the drawing also discloses the combination examples of the various embodiments involved.

The above-mentioned embodiments only express several implementation modes of the present application, and the description thereof is relatively specific and detailed, but should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application.

Claims (9)

1. Camping lamp, its characterized in that includes:

the first light-emitting unit comprises a first group of LED lamp beads and a second group of LED lamp beads with different color temperatures, and a first switch tube and a second switch tube which are respectively connected in series with the first group of LED lamp beads and the second group of LED lamp beads;

the second light-emitting unit comprises RGB lamp beads and a dimming unit for controlling the on-off of the RGB lamp beads, and the RGB lamp beads comprise three lamp beads which are connected in parallel and have different colors;

the main control unit is provided with a first signal output end, a second signal output end and a third signal output end which are respectively coupled to the first switching tube, the second switching tube and the dimming unit;

and the power supply unit supplies power to the main control unit, the first light-emitting unit and the second light-emitting unit.

2. The camping light of claim 1, wherein the main control unit has an adjustment input connected to ground via an adjustment switch for changing the conduction angle of the first and second switching tubes.

3. The camping lamp of claim 1, wherein the first signal output is configured to output a first PWM signal and is coupled to a gate of the first switching tube;

the second signal output end is used for outputting a second PWM signal and is coupled to the grid electrode of the second switching tube.

4. Camping light according to claim 1, characterized in that the power supply unit has a power supply interface, which is a typeC interface for charging or discharging.

5. The camping lamp of claim 1, further comprising a dc boost circuit, wherein the power supply unit supplies power to the first and second light emitting units via the dc boost circuit.

6. The camping lamp of claim 5, wherein the DC boost circuit comprises a power input and a power output,

the power input end is coupled to the power supply unit for supplying power and is grounded through a first capacitor;

the power output terminal is grounded through a second capacitor.

7. The camping lamp of claim 6, wherein the DC boost circuit comprises a boost chip and its peripheral circuitry, the peripheral circuitry comprising a third switching tube coupled between the power input and ground,

the booster chip has:

an enable terminal coupled to the power input terminal;

a power supply terminal coupled to the power input terminal;

and a control end coupled to the gate of the third switch tube.

8. The camping lamp of claim 7, wherein a zener diode is coupled between the power input and the power output.

9. The camping lamp of claim 7, wherein the boost chip has a feedback terminal coupled to ground.

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