CN206728347U - Push-button dimmable low power consumption circuit and solar flashlight - Google Patents

Abstract

A kind of button tunable optical low consumption circuit and solar electric torch.The button tunable optical low consumption circuit, the key switch being connected including power supply, with the power supply, the Resistor-Capacitor Unit being connected with the key switch, the control element being connected with the Resistor-Capacitor Unit and the light driving element being connected with the control element, the button tunable optical low consumption circuit also includes the switching component being connected with the power supply, and the switching component is also connected with the light driving element and the control element respectively, the light driving element in off working state and control element are turned off.Button tunable optical low consumption circuit of the present utility model, it can effectively extend the usage time of power supply.Meanwhile apply button tunable optical low consumption circuit of the present utility model in solar electric torch, can effectively improve solar electric torch uses duration, improves Consumer's Experience, is advantageous to widely using for solar electric torch.

Description

Push-button dimmable low power consumption circuit and solar flashlight

technical field

The utility model relates to a low power consumption circuit, in particular to a key-type dimmable low power consumption circuit which can be applied in a solar flashlight.

Background technique

During the use of the current button-type dimmable flashlight, the working brightness and opening and closing of the flashlight are usually controlled by the control circuit and the light driving circuit on the circuit board. Specifically, the control circuit in the button-type dimmable flashlight will adjust its own output state according to the number of times or the time of pressing the button switch, so as to control the light driving circuit to adjust the brightness and turn-on state of the flashlight.

In fact, affected by the settings of the push-button dimmable circuit, when the battery of the existing push-button dimmable flashlight is loaded into the flashlight, the control circuit and the light driving circuit start to enter the standby working state, that is, although the flashlight is in the off state , but the control circuit and light driving circuit on the flashlight circuit board are still in the state of power consumption, which will have a great impact on the service time and service life of the battery.

Especially in button-type dimmable flashlights that use solar cells as the power supply, the long-term power consumption of the control circuit and the light drive circuit will cause the brightness and use time of the flashlight to fail to meet user needs, further limiting the use of solar products in life. wide application in.

In view of this, it is really necessary to improve the existing key-type dimmable flashlight to solve the above problems.

Utility model content

The purpose of this utility model is to provide a key-type adjustable light low-power consumption circuit, which can effectively reduce energy consumption, and at the same time, the key-type adjustable light low-power circuit has a simple structure , stable function and high applicability.

In order to achieve the above purpose, the utility model provides a key-type dimmable low-power consumption circuit, including a power supply, a key switch connected to the power supply, a resistance-capacitance element connected to the key switch, and the resistance-capacitance A control element connected to the control element and a light driving element connected to the control element, wherein the key-type dimmable low-power consumption circuit also includes a switching element connected to the power supply, and the switching elements are respectively It is connected with the light driving element and the control element, so as to supply power to the light driving element and the control element when the switching element is turned on.

As a further improvement of the present utility model, the switch components are also connected to the resistance-capacitance components, so that a loop is formed among the power supply, the key switch, the resistance-capacity components and the switch components.

As a further improvement of the present invention, the control element can also control the switching off of the switching element, so that the light driving element and the control element are powered off.

As a further improvement of the present utility model, the resistance-capacitance element is located between the key switch and the control element, and the resistance-capacitance element outputs an electrical signal and transmits it to the control element, so that the control element controls the The switching element is turned off. .

As a further improvement of the present utility model, the control element is respectively connected with the resistance-capacitance element and the light driving element, so as to adjust the working state of the light driving element according to the output electric signal of the resistance-capacity element.

As a further improvement of the utility model, the switching element is a field effect transistor.

As a further improvement of the utility model, the switching element is a triode.

As a further improvement of the utility model, the switching element is a relay.

In order to achieve the above purpose, the utility model also provides a solar flashlight, which includes a lamp cap and a cylinder connected to the lamp cap, the cylinder includes a casing, a solar module located at the tail of the casing, a button arranged on the casing and a A circuit board connected to the button inside the housing, wherein the circuit board is provided with the aforementioned key-type dimmable low-power consumption circuit.

As a further improvement of the present utility model, the power supply is a rechargeable power supply, and the solar module is connected to the power supply to charge the power supply; Controlling the on-off of the key-type dimmable low-power consumption circuit.

The beneficial effects of the utility model are: the button-type adjustable light low power consumption circuit of the utility model can drive the lights in the non-working state in time by setting switch components connected to the power supply, light driving components and control components respectively. The components and the control components are turned off, thereby reducing the energy consumption of the key-type dimmable low-power consumption circuit in the non-use state, which can effectively prolong the use time of the power supply in the key-type dimmable low-power consumption circuit. At the same time, applying the key-type dimmable low-power consumption circuit of the utility model to the solar torch can effectively increase the use time of the solar torch, improve user experience, and facilitate the wide application of the solar torch.

Description of drawings

Fig. 1 is a structural block diagram of the button-type dimmable low power consumption circuit of the present invention.

Fig. 2 is a schematic circuit diagram of the push-button dimmable low power consumption circuit of the present invention.

Fig. 3 is a structural schematic diagram of the utility model solar flashlight.

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Please refer to FIG. 1 and FIG. 2 , which are the structural block diagram and circuit schematic diagram of the button-type dimmable low-power consumption circuit 100 of the present invention. The key-type dimmable low-power consumption circuit 100 includes a power supply 1 , a key switch 2 , a resistance-capacitance element 3 , a control element 4 , a light driving element 5 and a switch element 6 .

The power supply 1 is connected to the key switch 2 through a wire a, the key switch 2 is connected to the resistance-capacitance element 3 through a wire b, and the resistance-capacity element 3 is connected to the switch element 6 through a wire c, The power supply 1 is connected to the switching element 6 through a wire d, that is, when the key switch 2 is turned on, the power supply 1, the key switch 2, the resistance-capacitance element 3 and the switching element 6 are connected through the wires a, b, and c , d form a loop, so that the switching element 6 enters a conduction state.

The resistance-capacitance element 3 is connected to the control element 4 through a wire e, and the resistance-capacitance element 3 includes one or more of resistance-capacitance elements such as resistors, capacitors, and diodes. Specifically, the resistance-capacitance element 3 The capacitive element 3 is located between the key switch 2 and the control element 4 , and the resistance-capacitance element 3 transmits an electrical signal to the control element 4 through the wire e through cooperation between the resistance-capacitance elements.

The control element 4 can be a single-chip microcomputer or other signal processing elements, and the control element 4 realizes bidirectional communication with the switching element 6 through the wires g, h, that is, the switching element 6 can communicate with the switching element 6 through the wire g. The control element 4 transmits power, and the control element 4 can control the on-off of the switch element 6 through the wire h. Specifically, on the one hand, when the switch element 6 is turned on, the control element 4 can be powered through the wire g, and when the switch element 6 is turned off, the control element can be controlled through the wire g 4 off; on the other hand, the resistance-capacitance element 3 can adjust its own output electrical signal through the number of times or key-press time of the key switch 2, and send it to the control element 4 through the wire e, and the control element 4 is The received output electrical signal is processed, and the switching element 6 is controlled to be turned off through the wire h.

The light driving element 5 is respectively connected to the switching element 6 and the control element 4 through the wires f and i, so that the light driving element 5 can obtain electricity from the switching element 6 through the wire f, and at the same time The switch element 6 can also control the turn-on or turn-off of the light driving element 5 through the wire f according to its own on or off state; the light driving element 5 can receive the transmission from the control element 4 through the wire i signal, and then control the brightness or switch of the light.

The switching element 6 is any one of a field effect transistor, a triode and a relay, and the switching element 6 controls its own opening and closing through the control element 4 to control the control element 4 and the light driving element 5 on and off. Specifically, the switching element 6 obtains electricity from the power source 1 through the wire d, and then transmits the electricity to the light driving element 5 and the control element 4 through the wire f and the wire g, so that the light driving element 5 and the control element 4 enter the conduction working state; the control element 4 judges and processes the output electrical signal transmitted by the resistance-capacitance element 3, and then controls the working state of the light driving element 5 and the switching element 6 On and off, after the switch element 6 is turned off, the control element 4 and the light element 5 are powered off, thereby reducing the energy consumption of the key-type dimmable low-power consumption circuit 100, thereby achieving energy saving and reduction. consumption purpose.

Of course, in the button-type dimmable low-power consumption circuit 100 of the present invention, the wires a, b, c, d, e, f, g, h, i can be replaced by other electrical connection elements, specifically The type selection of the electrical connection components can be selected according to actual needs, and is not limited here.

When using the key-type dimmable low-power consumption circuit 100 of the present utility model, the key switch 2 is closed, the switch element 6 enters a conduction state, and then the electric power is transmitted to the control element 4 and the light driving element 5, The control element 4 and the light driving element 5 enter the working state; after the key switch 2 is released, the switch element 6 remains in the conduction state; The output electrical signal is sent to the control element 4, and the control element 4 processes the received output electrical signal to control the working state of the light driving element 5 and the on-off state of the switching element 6; 4. After controlling the switching element 6 to be turned off, the switching element 6 stops delivering electricity to the control element 4 and the light driving element 5, and the control element 4 and the light driving element 5 enter the shutdown state. state, reducing the power consumption of the key-type dimmable low-power consumption circuit 100 in standby, so as to achieve the effect of reducing energy consumption.

Please refer to FIG. 3 , which is a structural schematic diagram of the solar flashlight 200 of the present invention. The solar flashlight 200 includes a lamp base 20 and a barrel 21 connected with the lamp base 20 .

The barrel 21 includes a casing 211 , a solar module 22 located at the rear of the casing 211 , a button 212 arranged on the casing 211 , and a circuit board 213 inside the casing 211 and connected to the button 212 .

The circuit board 213 is also provided with the push-button dimmable low power consumption circuit 100 of the present invention to reduce the energy consumption of the solar torch 200. Specifically, in the solar torch 200 of the present invention, the The power source 1 is a rechargeable power source, and the solar module 22 is connected to the power source 1 to charge the power source 1; the button 212 and the key switch 2 are stacked up and down to control the The number of key presses or key time of the key switch 2 further controls the on-off of the key-type dimmable low-power consumption circuit 100. Such setting improves the use time and user experience of the solar flashlight 200, and at the same time further expands the The scope of use of the solar flashlight 200 is widened.

In summary, the key-type dimmable low-power consumption circuit 100 of the present invention is provided with switching components 6 connected to the power supply 1, the light driving component 5 and the control component 4 respectively, and the switching components 6 The two-way communication mode with the control element 4 can be set to turn off the light driving element 5 and the control element 4 in the non-working state in time. Such a design, on the one hand, ensures that the push-button dimmable low-power consumption circuit 100 has relatively low energy consumption, so that the push-button dimmable low-power consumption circuit 100 can be applied to various low-power button control systems ; On the other hand, the button-type dimmable low-power consumption circuit 100 has a simple structure and is applicable to various output occasions with adjustable loads.

At the same time, the solar torch 200 of the present utility model can effectively reduce the energy consumption of the solar torch 200 by setting the circuit on the circuit board 213 as the key-type dimmable low power consumption circuit 100 provided by the present utility model, and can effectively Prolonging the service time of the solar torch 200 improves the user experience and is conducive to the widespread use of the solar torch 200 .

The above embodiments are only used to illustrate the technical solution of the utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solution of the utility model can be modified or Equivalent replacement without departing from the spirit and scope of the technical solution of the present utility model.

Claims (10)

1. A key-type dimmable low-power consumption circuit, comprising a power supply, a key switch connected to the power supply, a resistance-capacitance element connected to the key switch, a control element connected to the resistance-capacity element, and a control element connected to the power supply The light driving element connected to the control element is characterized in that: the key-type dimmable low power consumption circuit also includes a switching element connected to the power supply, and the switching element is also connected to the light driving element respectively It is connected with the control element, so as to supply power to the light driving element and the control element when the switch element is turned on. 2. The key-type dimmable low-power consumption circuit according to claim 1, characterized in that: the switch element is also connected to the resistance-capacitance element, so that the power supply, key switch, resistance-capacitance element and A loop is formed between the switching components. 3. The key-type dimmable low-power consumption circuit according to claim 1, characterized in that: the control element can also control the shutdown of the switching element, so that the light driving element and the control The component is powered off. 4. The key-type dimmable low-power consumption circuit according to claim 3, characterized in that: the resistance-capacitance element is located between the key switch and the control element, and the resistance-capacitance element outputs an electrical signal and transmitted to the control element, so that the control element controls the switching element to turn off. 5. The push-button dimmable low-power consumption circuit according to claim 1, characterized in that: the control element is connected to the resistance-capacitance element and the light driving element respectively, so that according to the output voltage of the resistance-capacitance element The signal adjusts the working state of the light driving element. 6. The key-type dimmable low-power consumption circuit according to claim 1, wherein the switching element is a field effect transistor. 7. The key-type dimmable low-power consumption circuit according to claim 1, wherein the switching element is a triode. 8. The key-type dimmable low-power consumption circuit according to claim 1, wherein the switching element is a relay. 9. A solar flashlight, comprising a lamp cap and a cylinder connected to the lamp cap, the cylinder comprising a shell, a solar module positioned at the tail of the shell, a button arranged on the shell, and a button located inside the shell and connected to the button The connected circuit board is characterized in that: the circuit board is provided with the key-type dimmable low-power consumption circuit according to any one of claims 1-8. 10. The solar flashlight according to claim 9, characterized in that: the power supply is a rechargeable power supply, and the solar module is connected to the power supply to charge the power supply; the button and the key The switches are stacked up and down, so as to control the number of key presses or the key press time of the key switch through the buttons.