CN202153797U

CN202153797U - Heavy gauge electric torch handset circuit simultaneously controlled by software and hardware

Info

Publication number: CN202153797U
Application number: CN201120251852XU
Authority: CN
Inventors: 何东; 邓波
Original assignee: SHENZHEN LEATEK TECHINOLOGIES INTERNATIONAL CO LTD
Current assignee: SHENZHEN LEATEK TECHINOLOGIES INTERNATIONAL CO LTD
Priority date: 2011-07-15
Filing date: 2011-07-15
Publication date: 2012-02-29
Anticipated expiration: 2021-07-15

Abstract

The utility model relates to a heavy gauge electric torch handset circuit simultaneously controlled by software and hardware, belonging to the technical field of LED lamp control. The circuit comprises a switch control module used for controlling on/off of an LED lamp via a specific button on a handset, a constant current control module used for providing constant current for the LED lamp and an LED lamp serving as a light source, wherein diameter of the LED lamp is 8mm, and on/off of the LED lamp is controlled by the switch control module. The circuit can be simultaneously controlled by software and hardware but hardware control is better than software control. The LED lamp, diameter of which is 8mm, serves as the light source, so luminescence area is increased. Constant current and constant voltage is controlled via a chip, so the LED lamp can maintain the same brightness under a voltage of any handset cell.

Description

The large scale flashlight mobile phone circuit that a kind of software and hardware is controlled simultaneously

Technical field

The utility model relates to the large scale flashlight mobile phone circuit that a kind of software and hardware is controlled simultaneously, belongs to LED lamp control technology field.

Background technology

At present, the flashlight mobile phone or the hardware controls of current trend, or software control; And the flashlight size is smaller, and light-emitting area is not enough, during with the software control mode; Under the different mobile cell voltage, brightness meeting deepening of flashlight along with the decline of cell voltage.

Summary of the invention

The utility model provide a kind of ability through software and hardware control, light-emitting area is big and the large scale flashlight mobile phone circuit that can keep the software and hardware of brightness stability to control simultaneously.

The purpose of the utility model realizes through following technical scheme:

The large scale flashlight mobile phone circuit that a kind of software and hardware is controlled simultaneously comprises:

Switch control module is used for the switch through the input control LED lamp of specific keys on the mobile phone;

The constant current control module is used to the LED lamp constant current is provided;

LED lamp, the LED lamp that adopts the 8mm diameter be as light source, and through the switch control module control switch.

Can find out that by the above-mentioned technical scheme that provides the utility model can be controlled but hardware is superior to software control through software and hardware simultaneously; And adopt diameter be the LED of 8mm as light source, light-emitting area is increased; Become constant current constant voltage through chip controls, make under any battery of mobile phone voltage to keep same brightness.

Description of drawings

The structural representation of the large scale flashlight mobile phone circuit that Fig. 1 controls for the software and hardware that the embodiment of the utility model provides simultaneously;

The electrical block diagram of the large scale flashlight mobile phone circuit that Fig. 2 controls for the software and hardware that the embodiment of the utility model provides simultaneously.

Embodiment

The large scale flashlight mobile phone circuit that this embodiment provides a kind of software and hardware to control simultaneously, as shown in Figure 1, comprising:

Switch control module 1 is used for the switch through the input control LED lamp 3 of specific keys on the mobile phone;

Constant current control module 2 is used to LED lamp 3 constant current is provided;

LED lamp 3, the LED lamp that adopts the 8mm diameter be as light source, and through switch control module 2 control switchs.

Concrete, as shown in Figure 2, U11 is a booster circuit, constant 5V output is provided, electric current＞100ma; D3 is when hardware controls, prevents that vbat from pouring in down a chimney into booster circuit, and the chip that causes boosting is undesired to leak electricity with the chip that boosts; C11/C12 causes flashlight lamp to occur at the start powered on moment flashing and resemble for preventing that TDD from disturbing, and pastes this two device and capacitance size according to the disturbed condition of reality; Low level GPIO mouth when R710 has access to electricity prevents that flashlight from lamp occurring at the start powered on moment and flashing and resemble; R15 is a current-limiting resistance; J6 pushes the 6-7 pin when linking to each other, and the 6th pin is output as Vbat, otherwise the 6th pin does not have voltage.

The control mode of this embodiment is that hardware has precedence over software, and when having only hardware not control, software could be controlled.When toggle switch J6 pushes the 6-7 pin when linking to each other, the 6th pin is output as Vbat, and electric current lights the D6 conducting through D6 and R15; When toggle switch J6 pushes the 6-5 pin when linking to each other, the 6th pin is output not, and the D6 lamp does not work.In such cases, software can be drawn high the GPIO mouth the 3rd pin (EN pin) level of booster circuit, makes the constant 5V of the 1st pin output of booster circuit, through D3, D6 and R15, the D6 conducting is lighted.

The technical scheme that adopts this embodiment to provide can be controlled but hardware is superior to software control through software and hardware simultaneously; And adopt diameter be the LED of 8mm as light source, light-emitting area is increased; Become constant current constant voltage through chip controls, make under any battery of mobile phone voltage to keep same brightness.

The above; Be merely the preferable embodiment of the utility model; But the protection range of the utility model is not limited thereto; Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection range of the utility model.Therefore, the protection range of the utility model should be as the criterion with the protection range of claims.

Claims

1. the large scale flashlight mobile phone circuit that software and hardware is controlled simultaneously is characterized in that, comprising: switch control module is used for the switch through the input control LED lamp of specific keys on the mobile phone;