CN211240185U - A light source control circuit and candle light - Google Patents

Abstract

The utility model relates to the technical field of novel lamp sources, in particular to a lamp source control circuit and a candle lamp. It includes a light source, a control chip, a solar panel, a battery and a photoresistor; both ends of the battery are connected to the output end of the solar panel and the ground wire respectively; the input end of the light source is connected to the output end of the control chip, and the output end of the light source is grounded; The input end and enabling end of the control chip are connected to the output end of the solar panel through a switch, a photoresistor is connected in parallel at the node between the enabling end and the switch, and the other end of the photoresistor is grounded; on and off. The candle light of the utility model can be adjusted on and off the light source through the photoresistor, so as to ensure long-term sustainable work, without manual charging and switching, and increase the functionality and practicability of the candle light; the candle-shaped plastic lampshade is adopted. , to ensure the light transmission performance of the lampshade and the overall beauty of the candle lamp, increasing its market competitiveness.

Description

A light source control circuit and candle light

technical field

The utility model relates to the technical field of novel lamp sources, in particular to a lamp source control circuit and a candle lamp.

Background technique

There is an open flame when using ordinary candles, there is a risk of fire and the environment is polluted. With the improvement of living standards and the increase of public awareness of environmental protection, fewer and fewer people use ordinary candles for lighting, and use electronic candle lights instead, which are often used for power outages. It can be used for emergency lighting or to create a romantic atmosphere, and can even be used for daily lighting.

The current wireless candle light is usually a rechargeable candle light or a solar candle light, and the solar panel of the candle light needs to be exposed to receive electricity, which greatly affects the appearance of the candle light. At the same time, candle lights on the market are easy to start by mistake at dusk, rainy days or other conditions that are relatively dim but do not need to enable lighting, causing inconvenience to users and waste of power. , reducing the user experience.

Utility model content

The utility model provides a lamp source control circuit and a candle lamp in order to overcome at least one defect (deficiency) of the prior art.

For solving the above-mentioned technical problems, the technical scheme of the present utility model is as follows:

A light source control circuit, comprising a light source, a control chip, a solar panel, a battery and a photoresistor; the two ends of the battery are respectively connected with the output end of the solar panel and the ground wire; the input end of the light source is connected with the output of the control chip The output terminal of the light source is connected to the ground; the input terminal and the enabling terminal of the control chip are connected to the output terminal of the solar panel through a switch, and a photosensitive sensor is connected in parallel with the node between the enabling terminal and the switch. resistance, and the other end of the photoresistor is grounded; the light source is turned on and off under strong and weak light through the photoresistor.

Further, diodes are arranged between the light source and the output end of the control chip, between the output end of the solar panel and the switch, and between the switch and the node connected to the photoresistor.

Further, a boost inductor is connected in series between the switch and the output end of the control chip.

Further, a filter capacitor is connected in parallel between the light source and the output end of the control circuit, and the other end of the filter capacitor is grounded.

The utility model also provides a candle lamp, which includes a lamp body, a lamp source, a solar panel, a photoresistor, a battery, a switch and a control panel; the lamp body includes a base and a translucent lampshade, and the translucent lampshade is covered and sleeved. A light-transmitting cavity is formed on the base; the light source, the solar panel and the photoresistor are arranged in the light-transmitting cavity and are fixedly connected with the base; the storage battery and the control board are arranged in the light-transmitting cavity. inside the base; the control board is provided with the above-mentioned light source control circuit.

Further, the photoresistor is fixedly connected to the top of the base, and is disposed close to the inner surface of the translucent lampshade.

Further, the translucent lampshade is a candle-shaped plastic lampshade, the top of the translucent lampshade is recessed downward, and the recess is provided with a candle-shaped protrusion that matches the light source, and the top of the light source is provided with a candle-shaped protrusion. inside the bulge.

Further, the base is provided with an assembling groove matching the battery, the battery is installed in the base through the assembling groove, and the battery is electrically connected to the control board through a conductive sheet.

Further, the light source is an LED light-emitting diode, and the light source is fixedly arranged at the center of the top of the base.

Further, two solar panels are provided, and the two solar panels are arranged opposite to each other along the light source.

The control circuit of the utility model realizes the automatic switching of the light source with the intensity of the external light through the photoresistor, and can control the light source to turn on the minimum brightness by adjusting the light sensitivity of the photoresistor. Accidental start in the case of dim but no need to activate the lighting, the high-precision switch to ensure the intelligent start of the light sensor can work for a long time, improve the user experience, and greatly increase the reliability of the product equipped with this circuit.

In addition, the candle light of the present invention is charged by the solar panel, and the light source is turned on and off by the photoresistor, so as to ensure long-term sustainable work without manual charging and switching, which increases the functionality and practicality of the candle light. sex. At the same time, the light source, solar panel and photoresistor of the candle lamp are arranged in the light-transmitting cavity to ensure that the solar panel and photoresistor can easily and effectively receive light through the translucent lampshade, and improve the power generation efficiency of the solar panel and the sensing accuracy of the photoresistor. ;The semi-transparent lampshade adopts a candle-shaped plastic lampshade to ensure the light transmission performance of the lampshade, and the components in the light-transmitting cavity in the lampshade cannot be directly seen from the outside, which ensures the overall beauty of the candle lamp and increases its market competitiveness. . At the same time, the candle lamp realizes the automatic control of the light sensing of the light source through the light source control circuit, which improves the sensing accuracy of the light source and greatly increases the reliability of the light sensing.

Description of drawings

FIG. 1 is a structural diagram of a lamp source control circuit according to an embodiment of the present invention.

FIG. 2 is an exploded view of the candle lamp according to the embodiment of the present invention.

3 is a cross-sectional view of a candle according to an embodiment of the present invention.

FIG. 4 is a front view of the candle lamp according to the embodiment of the present invention.

5 is a perspective view of a candle lamp according to an embodiment of the present invention.

Figure 6 is the bottom, top and left views of the candle lamp according to the embodiment of the present invention.

Among them, 1 lamp body, 2 lamp source, 3 solar panel, 4 photoresistor, 5 battery, 6 control board, 11 translucent lampshade, 12 base.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clearly understood, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not intended to limit the present invention.

Example

A light source control circuit, see Figure 1, includes a light source, a control chip U1, a solar panel, a battery, and a photoresistor R; the two ends of the battery are respectively connected to the output end of the solar panel and the ground wire to act as a storage battery for the circuit. When there is sunlight, when the solar panel receives sunlight to generate electricity, the battery is charged by the solar panel, and when there is no sunlight, the battery discharges to provide power input to the control circuit. The input end of the light source is connected to the output end of the control chip U1, and the output end of the light source is grounded. The input end and the enabling end of the control chip U1 are electrically connected to the output end of the solar panel through the switch, and the enabling end is connected to the switch. A photoresistor R is connected in parallel on the node between them, and the other end of the photoresistor R is grounded.

Specifically, the user can control the turn-on and turn-off of the control circuit through the first-level control of the switch. The control circuit adjusts the level on the enable terminal of the control chip U1 through the resistance change of the photoresistor R under strong and weak light, so as to achieve The output voltage of the output terminal is turned on and off, so as to adjust the brightness of the light source through the brightness of the external light, and realize the secondary control of the light source relative to the brightness of the external sunlight. In addition, the enable terminal is triggered by a high level. When the light brightness is sufficient, the resistance value of the photoresistor R is infinitely close to zero, so that the voltage of the enable terminal is in a low level state and the output terminal is turned off; when the light brightness is low, The resistance value is much larger than the resistance of the enable terminal, which essentially forms an open circuit, so that the enable terminal is at a high level, the output terminal is turned on, and the output terminal is turned on, so that the control circuit can realize the on-off or on-off of the light source through the photoresistor R. Of course, in some embodiments, the enable terminal may also be triggered at a low level, that is, the resistance value of the photoresistor R increases as the brightness of the light becomes stronger, so as to realize on-off control of the light source. It is worth noting that the minimum brightness when the light source is turned on is achieved by adjusting the light receiving sensitivity of the photoresistor R. Specifically, the light source is an LED light-emitting diode, the control chip U1 is an analog switch control IC, and more specifically, the control chip is a CD4053 chip.

Specifically, the advantage of this structure is that the light source can be automatically switched on and off according to the external light intensity through the photoresistor R, and the light sensitivity of the photoresistor R can be adjusted to control the light source to turn on the minimum brightness, and the adjustment accuracy of the light source is high. In rainy days, there is no direct sunlight. At the same time, the first-level control is realized by setting the switch, and the battery is charged and discharged. The light source control is convenient and simple, and it can work for a long time, which greatly improves the reliability of the product and enhances the assembly. The market competitiveness of products with this structure.

In some embodiments, diodes are provided between the light source and the output terminal of the control chip U1, between the output terminal of the solar panel and the switch, and between the switch and the node connected to the photoresistor R, which can prevent the reverse flow of the current and cause the circuit damage, thereby improving the reliability of the circuit.

In some embodiments, a boost inductor is connected in series between the switch and the output end of the control chip U1, and the size of the boost inductor is adjusted according to the specifications of the light source and the solar panel, so as to control the current output to the light source and prevent the light The source current is too high. At the same time, a filter capacitor is directly connected to the output end of the light source and the control circuit, and the other end of the filter capacitor is grounded. damage, thereby improving the reliability of the circuit.

In addition, this embodiment also provides a candle lamp, referring to FIGS. 2-6 , including a lamp body 1, a light source 2, a solar panel 3, a photoresistor 4, a battery 5, a switch and a control panel 6; the lamp body 1 includes a base 12 and the translucent lampshade 11, the translucent lampshade 11 is covered and sleeved on the base 12, and a light-transmitting cavity is formed between the translucent lampshade 11 and the base 12. Specifically, the translucent lampshade 11 and the base 12 are connected by fasteners. Detachable connection. As shown in FIG. 2-3 , the light source 2 , the solar panel 3 and the photoresistor 4 are all arranged in the light-transmitting cavity and fixedly arranged on the top of the base 12 , and the battery 5 , the switch and the control board 6 are arranged on the bottom of the base 12 . Inside, it is worth noting that the base 12 is composed of a bottom plate and a bottom cover, and the bottom cover is closed on the bottom plate to form the base 12, and the battery 5, the switch and the control board 6 are placed in the in the base 12. In addition, the control board 6 is provided with the above-mentioned light source control circuit in this embodiment, the light source 2, the solar panel 3, the photoresistor 4, the battery 5 and the switch are electrically connected to the control board 6, and the candle light is realized by the light source control circuit Light source 2 automatically adjusts or turns on and off with the brightness of the light. Specifically, the translucent lampshade 11 is a candle-shaped plastic lampshade, and the lampshade is treated with diffusing powder to ensure the light transmission performance of the lampshade, and the lampshade is made of translucent material to ensure that the light-transmitting cavity in the lampshade cannot be directly seen from the outside. components inside.

In some embodiments, the photoresistor is fixedly installed on the top of the base, and is disposed close to the translucent lampshade, which can ensure that the photoresistor can effectively receive external light sources, thereby improving the light sensing sensitivity and reliability of the candle light.

The advantage of this structure is that the solar panel 3 of this embodiment receives external power and stores it in the battery 5, and at the same time, the light source 2 is adjusted to be turned on and off through the photoresistor 4, so as to ensure that the candle lamp of this embodiment can be sustainable for a long time. Work without manual charging and switching, which increases the functionality and practicality of the candle light. At the same time, the candle lamp forms a light-transmitting cavity through the translucent lampshade 11 and the base 12, and the light source 2, the solar panel 3 and the photoresistor 4 are arranged in the light-transmitting cavity to ensure that the solar panel 3 and the photoresistor 4 can pass through the semi-transparent cavity. The transparent lampshade 11 is convenient and effective to receive light, and improves the power generation efficiency of the solar panel 3 and the sensing accuracy of the photoresistor 4; The lampshade is made of translucent material, which ensures that the components in the light-transmitting cavity in the lampshade cannot be directly seen from the outside, which ensures the overall beauty of the candle lamp and increases its market competitiveness. In addition, the candle lamp realizes the automatic control of the light sensing of the light source 2 through the light source control circuit, which improves the sensing accuracy of the light source 2 and greatly increases the reliability of the light sensing.

In some embodiments, as shown in FIG. 5 , the top of the translucent lampshade 11 is recessed downward, and the recess is provided with a candle-shaped protrusion matching the light source 2 , and the top of the light source 2 is provided with a Inside the bulge, the light source 2 emits bright light at the bulge through the concave and bulge, which ensures the beauty and design sense of the wick of the candle lamp, and increases the market competitiveness of the product.

In some embodiments, as shown in FIG. 2 , the base 12 is provided with an assembly groove matching the battery 5 , the battery 5 is stably installed in the base 12 through the assembly groove, and at the same time, the battery 5 is connected to the control board 6 through the conductive sheet The electrical connection improves the stability of the connection between the battery 5 and the control board 6, and avoids the situation that the two are separated due to external collision. It is worth noting that the battery 5 is charged by the solar panel 4 and does not need to be disassembled. Therefore, there is no opening on the base 12. The battery 5 is fixedly assembled in the base 12, which can ensure the overall integrity of the candle light. The base 12 is completely sealed and does not exist. The risk of parts falling in the battery 5 or the base 12 solves the problem that the candle lamp is prone to damage due to missing parts.

In some embodiments, the light source 2 of the candle light is an LED light-emitting diode, and the light source 2 is fixedly arranged at the center of the top of the base 12, which can ensure that the light emitted by the light source 2 through the lampshade is evenly distributed, ensuring that the candle light is in use. The appearance is simple and beautiful. In order to better generate electricity and store electricity, two solar panels 3 are provided, and the two solar panels 3 are arranged opposite to each other along the light source 2 to reduce the dead angle of illumination, thereby ensuring that the candle light can work continuously for a long time. In addition, the switch is arranged at the bottom of the base 12 to ensure the convenience of use of the switch, and the switch is provided with a waterproof switch cap, which can effectively prevent the switch from being damaged due to water ingress.

Obviously, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included within the protection scope of the claims of the present utility model.

Claims (10)

1. A lamp source control circuit is characterized in that, comprising lamp source, control chip, solar panel, storage battery and photoresistor; both ends of the storage battery are respectively connected with the solar panel output end and the ground wire; the input of the lamp source The output end of the control chip is connected to the output end of the control chip, and the output end of the light source is grounded; the input end and the enabling end of the control chip are connected to the output end of the solar panel through a switch, and the enabling end and the switch are connected between the output end of the solar panel. A photoresistor is connected in parallel with the node of the light source, and the other end of the photoresistor is grounded; the light source is turned on and off under strong and weak light through the photoresistor. 2 . The light source control circuit according to claim 1 , wherein the connection between the light source and the output end of the control chip, between the output end of the solar panel and the switch, and between the switch and the node connecting the photoresistor Diodes are arranged between them. 3 . The light source control circuit according to claim 1 , wherein a boost inductor is connected in series between the switch and the output end of the control chip. 4 . 4 . The light source control circuit according to claim 1 , wherein a filter capacitor is connected in parallel between the light source and the output end of the control circuit, and the other end of the filter capacitor is grounded. 5 . 5. A candle lamp, characterized by comprising a lamp body (1), a lamp source (2), a solar panel (3), a photoresistor (4), a battery (5), a switch and a control panel (6); The lamp body (1) includes a base (12) and a translucent lampshade (11), and the translucent lampshade (11) is covered and sleeved on the base (12) to form a light-transmitting cavity; the lamp The source (2), the solar panel (3) and the photoresistor (4) are arranged in the light-transmitting cavity and are fixedly connected to the base (12); the storage battery (5) and the control board (6) are arranged Inside the base (12); the control board (6) is provided with the light source control circuit according to any one of claims 1-4. 6 . The candle lamp according to claim 5 , wherein the photoresistor ( 4 ) is fixedly connected to the top of the base ( 12 ), and is disposed close to the inner surface of the translucent lampshade ( 11 ). 7 . 7. The candle lamp according to claim 5, characterized in that the translucent lampshade (11) is a candle-shaped plastic lampshade, the top of the translucent lampshade (11) is recessed downward, and the recess is provided with a The light source (2) is matched with a candle-shaped protrusion, and the top of the light source (2) is provided in the protrusion. 8 . The candle lamp according to claim 5 , characterized in that, an assembly groove matching the battery ( 5 ) is provided in the base ( 12 ), and the battery ( 5 ) is installed in the place through the assembly groove. inside the base (12), and the battery (5) is electrically connected to the control board (6) through a conductive sheet. 9 . The candle lamp according to claim 5 , wherein the light source ( 2 ) is an LED light-emitting diode, and the light source ( 2 ) is fixedly arranged at the top center of the base ( 12 ). 10 . 10 . The candle lamp according to claim 9 , characterized in that, there are two solar panels ( 3 ), and the two solar panels ( 3 ) are arranged opposite to each other along the light source ( 2 ). 11 .

Images