CN2807683Y - Electronic warning lamp - Google Patents

Abstract

The electronic warning light belongs to the field of lamps. It includes a face shell, a bottom shell, an electronic circuit board and a battery compartment. The electronic circuit board and the battery compartment are fixed in the bottom shell. It also has a light guide ring, a light transmission window and a lamp. Between the face shell and the bottom shell, the light-transmitting window is installed on the face shell, and more than two lamps are respectively installed on the inner side of the light guide ring and below the light-transmitting window; the electronic circuit board includes: pulse oscillation circuit, cycle counter circuit and lamp drive circuit; the output end of the pulse oscillation circuit is connected to the trigger end of the cycle counter circuit, and the bit selection output end of the cycle counter circuit is connected to the lamp driving circuit with more than 2 bits respectively. The utility model is simple in structure, can work stably for a long time, can produce the visual effect of rotating and flickering, and is easy to be placed on the vehicle, or used in emergency situations.

Description

Electronic warning lights

technical field

The utility model belongs to lamps, in particular to a warning signal lamp.

Background technique

In occasions such as temporary parking or emergency rescue on the expressway, it is necessary to warn the scene. At present, the more commonly used emergency signal lights use tungsten filament bulbs as light sources and small batteries as power sources, which can emit intermittent flashes and play a warning role. But this kind of emergency signal light is relatively large in size and heavy in weight, not convenient enough to use, and the continuous working time is short, so it is not suitable for long-term field work, and the supporting of backup power supply is also inconvenient. In addition, the brightness of this emergency signal light is not stable enough, so that the warning effect is not good, and it is only a blinking visual effect, which is insufficient for visual stimulation and is not easy to be recognized by passing people and vehicles. The placement of this kind of emergency signal light is not convenient enough. In most cases, it can only be placed on the road. It is not on the same plane as the line of sight of passing people and vehicles, and it is easy to be ignored by passing people and vehicles.

Contents of the invention

The purpose of the utility model is to provide an electronic warning light which has a simple structure, can work stably for a long time, can produce a strong visual effect, and is easy to place.

The utility model includes a face shell, a bottom shell, an electronic circuit board and a battery compartment, the electronic circuit board and the battery compartment are fixed in the bottom shell, it also has a light guide ring, a light transmission window and a lamp, and the light guide ring is installed on the face shell and the bottom shell Between the shells, the light-transmitting window is installed on the face shell, and more than two lights are respectively installed on the inner side of the light guide ring and below the light-transmitting window; the electronic circuit board includes: a pulse oscillation circuit, which outputs pulse trigger signals; a cycle counter circuit, which outputs bit selection signal; a lamp driving circuit to drive the lamp to emit light; the output end of the pulse oscillation circuit is connected to the trigger end of the cycle counter circuit, and the bit selection output end of the cycle counter circuit is respectively connected to two or more lamp drive circuits, when the input When the power is supplied, the pulse oscillating circuit works and outputs the trigger frequency to the cycle counter circuit, so that the cycle counter circuit outputs a bit selection signal according to the trigger frequency, and connects different lamp driving circuits to drive the lamp to emit light. The bottom of the bottom case is equipped with a pull-out bracket, and the bottom of the bottom case is equipped with a magnet. The electronic circuit board also includes a power supply circuit, the power supply circuit is a DC-DC conversion circuit, the input end is powered by a battery, and a stable DC voltage is output at the output end through the DC-DC conversion, respectively connected to the pulse oscillation circuit and the cycle counter circuit and the power input terminal of the lamp driving circuit. The lamp driven by the lamp driving circuit of one of them is installed on the electronic circuit board below the light-transmitting window. The lamp is a light emitting diode.

The utility model uses a color light-emitting diode as a light source, a dry battery or a small rechargeable battery as a power source, cooperates with an electronic control circuit to emit a circular flash, and the flash is refracted around through the light guide ring and the light-transmitting window to produce a strong visual effect and play an effective role. Warning function: because the utility model is simple in structure, light, has bracket and magnet, so can be conveniently placed or adsorbed on the car, also can be placed with the place of roadside or field operation.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 is the structural representation of the embodiment of the utility model;

Fig. 2 is the front schematic diagram of embodiment;

Fig. 3 is the back schematic diagram of embodiment;

Fig. 4 is an electrical schematic diagram of the embodiment.

Detailed ways

Referring to FIG. 1 , FIG. 2 and FIG. 3 , this embodiment includes a face shell 1 , a bottom shell 5 , an electronic circuit board 6 , a battery compartment 7 , a light guide ring 3 , a light-transmitting window 2 and a lamp 9 . The electronic circuit board 6 and the battery compartment 7 are fixed in the bottom case 5, the light guide ring 3 is installed between the front case 1 and the bottom case 5, the light-transmitting window 2 is installed on the front case 1, and 18 lamps 9 are installed on the light guide ring 3 10 lamps 9 are installed below the light-transmitting window 2. When the light 9 emits light, the light can be directly emitted through the light-transmitting window 2, and the light can also be refracted by the light guide ring 3 and scattered around the warning light, thereby achieving a good visual effect and attracting the attention of people and vehicles. .

Referring to FIG. 3 , a drawable bracket 8 is installed at the bottom of the bottom case 5 , and a magnet 4 is installed at the bottom of the bottom case 5 . After the bracket 8 is pulled out, the warning light can be placed on the object smoothly. Under the state that support 8 is put away, magnet 4 can make whole warning light be very conveniently adsorbed on the ferrous object, such as car, mechanical equipment etc., very convenient to use.

Referring to FIG. 4 , the electronic circuit board 6 is composed of a power supply circuit 13 , a pulse oscillation circuit 10 , a cycle counter circuit 11 , and a lamp driving circuit 12 . The power supply circuit 13 is a DC-DC conversion circuit. In this embodiment, the MC34063 is connected to a DC-DC booster circuit. The input terminal is powered by the battery in the battery compartment 7, and the output terminal outputs a stable voltage through the DC-DC boost conversion. The DC voltage is respectively connected to the power input ends of the pulse oscillation circuit 10 , the cycle counter circuit 11 and the lamp driving circuit 12 .

The pulse oscillating circuit 10 adopts NE555 integrated block, which is connected into a typical pulse oscillating circuit. The cycle counter circuit 11 adopts LM4017 integrated block, which is connected into a typical ten-bit counter circuit. The lamp 9 in the lamp driving circuit 12 adopts a light emitting diode. The output end of the pulse oscillation circuit 10 (i.e. the output end of the NE555) is connected to the trigger end of the cycle counter circuit 11 (i.e. the trigger end of the LM4017), and the bit selection output end of the cycle counter circuit 11 (i.e. the bit selection output end of the LM4017) is respectively It is connected to the 10-bit lamp driving circuit 12 .

When the input power (battery) supplies power, the power circuit 13 provides a stable DC voltage for the pulse oscillation circuit 10 , the cycle counter circuit 11 and the lamp driving circuit 12 . The pulse oscillation circuit 10 works, and outputs the trigger frequency to the cycle counter circuit 11, so that the cycle counter circuit 11 outputs a bit selection signal according to the trigger frequency, and connects different lamp driving circuits 12 to drive the lamp 9 to emit light. At this time, the 10-bit lamp driving circuit 12 drives the lamps 9 to emit light sequentially, thereby producing a strong visual effect of rotating and flickering on the light guide ring 3, which plays a good warning role.

In order to achieve a better warning effect, there is a lamp drive circuit 12 in this embodiment to drive 10 lamps 9, and these 10 lamps 9 are installed on the electronic circuit board 6 below the light-transmitting window 2, and are the brightest in the center of the warning lamp. warning signs.

In this way, the present embodiment can produce a strong warning effect that the center is highlighted and the surroundings rotate and flash.

Claims (5)

1. An electronic warning light, which includes a face shell (1), a bottom shell (5), an electronic circuit board (6) and a battery compartment (7), and the electronic circuit board (6) and the battery compartment (7) are fixed on the bottom In the shell (5), it is characterized in that: It also has a light guide ring (3), a light transmission window (2) and a lamp (9), the light guide ring (3) is installed between the face shell (1) and the bottom shell (5), and the light transmission window (2) is installed on the On the face shell (1), more than two lamps (9) are respectively installed on the inner side of the light guide ring (3) and below the light-transmitting window (2); The electronic circuit board (6) includes: A pulse oscillation circuit (10), which outputs a pulse trigger signal; Circular counter circuit (11), output bit selection signal; A lamp drive circuit (12) drives the lamp (9) to emit light; The output end of the pulse oscillation circuit (10) is connected to the trigger end of the cycle counter circuit (11), and the bit selection output end of the cycle counter circuit (11) is respectively connected to the lamp drive circuit (12) with more than 2 bits. When the input power is supplied, the pulse oscillating circuit (10) works, and outputs the trigger frequency to the cycle counter circuit (11), so that the cycle counter circuit (11) outputs a bit selection signal according to the trigger frequency, and connects different lamp drive circuits (12) to The drive lamp (9) emits light. 2. The electronic warning light according to claim 1, characterized in that: the bottom of the bottom case (5) is equipped with a pull-out bracket (8), and the bottom of the bottom case (5) is equipped with a magnet (4). 3. The electronic warning light according to claim 1, characterized in that: the electronic circuit board (6) also includes a power supply circuit (13), the power supply circuit (13) is a DC-DC conversion circuit, and the input terminal is powered by a battery For power supply, a stable DC voltage is output at the output end through DC-DC conversion, and is respectively connected to the power input ends of the pulse oscillation circuit (10), the cycle counter circuit (11) and the lamp driving circuit (12). 4. The electronic warning light according to claim 1, characterized in that the light (9) driven by a light driving circuit (12) with one bit is installed on the electronic circuit board (6) under the light-transmitting window (2) superior. 5. The electronic warning lamp according to claim 1, characterized in that: said lamp (9) is a light emitting diode.