CN212584760U

CN212584760U - Novel wireless charging mobile lighting equipment

Info

Publication number: CN212584760U
Application number: CN202021248409.2U
Authority: CN
Inventors: 顾晓东
Original assignee: Shenzhen Olight eCommerce Technology Co Ltd
Current assignee: Aolei Technology Group Co ltd; Zhongshan Aolei Technology Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-02-23
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a wireless novel mobile lighting device who charges, wherein: wireless charging coil is connected to wireless charging management chip input, the pilot lamp that charges is connected to wireless charging management chip output, the battery, the management chip that discharges is connected to the battery output, power module, the mouth that discharges is connected to the management chip output that discharges, the electric quantity detection chip is connected to the power module output, the single chip processor is connected to electric quantity detection chip output, single chip processor input and four fender button modules, the knob electricity of adjusting luminance is connected, single chip processor output and lighting control circuit, bee calling organ electricity is connected, the LED module is connected to the lighting control circuit output. The wireless charging technology is adopted, so that the charging is convenient; the electric quantity detection chip detects the voltage of the battery, knows the shortage of electric quantity in advance and charges the battery in time; the external intelligent terminal can be charged when the charger is used; the control of stepless dimming and the alternating control of far and near light can be realized, and the device is conveniently applied to different scenes.

Description

Novel wireless charging mobile lighting equipment

Technical Field

The utility model belongs to the technical field of the mobile lighting, a novel mobile lighting equipment that wireless charges is related to.

Background

The charging mode of a common flashlight is realized by a microUSB or Typec interface and a corresponding charging circuit. From the outward appearance, need leave an interface on the surface of structure and come out for the incomplete becoming unsightly of outward appearance, still need corresponding silica gel stopper to carry out waterproofly simultaneously, the reliability reduces. Secondly, the function is relatively single, for example, the battery capacity is not known in advance, so that the user can remember to charge the battery when the battery is used.

Disclosure of Invention

An object of the utility model is to provide a wireless novel mobile lighting device who charges to the not enough of prior art to solve the wired charging mode of current flashlight pleasing to the eye, inconvenient, and the problem of function single relatively.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel wireless charging mobile lighting device comprises a shell and a battery arranged in the shell, wherein a control circuit board is arranged in the shell, the control circuit board comprises a wireless charging management chip, a charging indicator lamp, a discharging management chip, a power supply module, a power detection chip, a single chip processor, a lighting control circuit and a buzzer, the input end of the wireless charging management chip is connected with a wireless charging coil, the output end of the wireless charging management chip is connected with the charging indicator lamp and the battery, the output end of the battery is connected with the discharging management chip and the power supply module, the output end of the discharging management chip is connected with a discharging port, the output end of the power supply module is connected with the power detection chip and the single chip processor, the output end of the power detection chip is connected with the single chip processor, the input end of the single chip processor is electrically connected with a, the output end of the single chip processor is electrically connected with the illumination control circuit and the buzzer, and the output end of the illumination control circuit is connected with the LED module.

Preferably, the LED module is arranged in a focusing mirror of the lamp cap and is divided into four groups of LEDs, one group of LEDs is arranged at a focus of the focusing mirror, and the other three groups of LEDs are sequentially arranged at a position far away from the focus.

Preferably, the discharge port is a USB interface and is disposed at the tail of the housing.

Preferably, the rear end of the shell is provided with a rear cover, and the rear cover is provided with a wireless charging coil.

Preferably, the four-gear key module and the dimming knob are arranged on the side face of the shell.

Preferably, the lighting control circuit includes a PNP triode Q1A, an emitter of the PNP triode Q1A is connected to a battery positive electrode BAT +, a base of the PNP triode Q1A is connected to the control module through a resistor R23, a resistor R4 is connected between the emitter of the PNP triode Q1A and the base, a collector of the PNP triode Q1A is connected to the LED1-8 through resistors R1, R3, R5 and R7, respectively, wherein the resistor R1 is connected to the LED1-2, the resistor R2 is connected to the LED3-4, the resistor R3 is connected to the LED5-6, and the resistor R4 is connected to the LED 7-8.

Preferably, the wireless charging management chip is an SGD5142ED chip.

Preferably, the discharge management chip is a DS2762 lithium battery charge and discharge management chip.

Preferably, the power supply module is a power supply voltage stabilization chip.

The utility model has the advantages that:

1. the wireless charging technology is adopted, the coil of the transmitting end is used for supplying power and is combined with the flashlight with the receiving coil, when the flashlight with the embedded coil is placed at the transmitting end, the transmitting end detects that the receiving coil starts to charge, and therefore the appearance of the flashlight is simpler and more attractive, and the flashlight is more intelligent;

2. the electric quantity detection chip detects the voltage of the battery, and when the electric quantity of the battery is detected to be low, the buzzer gives an alarm to prompt, so that the shortage of the electric quantity is known in advance and the battery is charged in time;

3. an external charging interface is arranged, so that the external intelligent terminal can be charged when the charger is used;

4. the control of stepless dimming and the alternative control of far and near light can be realized, the functions are various, and the device is conveniently applied to different scenes.

Drawings

FIG. 1 is a schematic block diagram of a control circuit board according to the present invention;

fig. 2 is a schematic view of the external structure of the mobile lighting device of the present invention;

fig. 3 is a schematic structural view of the light adjusting knob of the present invention;

fig. 4 is a circuit diagram of the wireless charging management chip of the present invention;

FIG. 5 is a circuit diagram of the single-chip processor of the present invention;

fig. 6 is a circuit diagram of the lighting control circuit of the present invention;

fig. 7 is a circuit diagram of the power module of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in figures 1 and 2, a novel wireless charging mobile lighting device comprises a shell and a battery 4 arranged in the shell, wherein a control circuit board is arranged in the shell, the control circuit board comprises a wireless charging management chip 2, a charging indicator lamp 3, a discharging management chip 5, a power module 7, an electric quantity detection chip 8, a single chip processor 9, a lighting control circuit 12 and a buzzer 13, the input end of the wireless charging management chip 2 is connected with a wireless charging coil 1, the output end of the wireless charging management chip 2 is connected with the charging indicator lamp 3 and the battery 4, the output end of the battery 4 is connected with the discharging management chip 5 and the power module 7, the output end of the discharging management chip 5 is connected with a discharging port 6, the output end of the power module 7 is connected with the electric quantity detection chip 8 and the single chip processor 9, the output end of the electric quantity detection chip 8 is connected with the single chip processor 9, the, The dimming knob 11 is electrically connected, the output end of the singlechip processor 9 is electrically connected with the illumination control circuit 12 and the buzzer 13, and the output end of the illumination control circuit 12 is connected with the LED module 14.

In this embodiment, the LED module 14 is disposed in the focusing lens of the lamp holder, and the LED module 14 is divided into four groups of LEDs, wherein one group of LEDs is disposed at a focus of the focusing lens, the remaining three groups of LEDs are sequentially disposed at a position far away from the focus, and the four-shift key module 10 and the light adjusting knob 11 are disposed on a side surface of the housing. Referring to fig. 2, 3, and 5, when one of the four-stage key modules 10 in fig. 2 is pressed, and a key signal is detected by a corresponding pin of the four spare pins of the single chip processor circuit in fig. 5 (in this embodiment, the single chip processor is used in the model of STM8S003F 3), a group of LEDs corresponding to the lamp head in fig. 2 is controlled to be turned on. If a group of LEDs at the control focus are lighted, the lamp head emits approximately parallel pipelines, and the irradiation distance is farthest. Correspondingly, if a group at the position close to the focus is lightened, the corresponding irradiation distance is reduced, and the following steps are analogized, so that the distance light and the near light are alternately controlled.

In this embodiment, lid behind the tail end installation of casing, the back is covered and is laid wireless charging coil 1, only need during the charging with the back lid stand on the charging seat can. The discharge port 6 is a USB interface and is arranged at the tail of the shell, and when charging is performed on other intelligent terminals, only a USB wire needs to be connected between the USB interface and the intelligent terminals.

As shown in fig. 6, in this embodiment, the lighting control circuit 12 includes a PNP transistor Q1A, an emitter of the PNP transistor Q1A is connected to the battery positive electrode BAT +, a base of the PNP transistor Q1A is connected to the control module through a resistor R23, a resistor R4 is connected between the emitter and the base of the PNP transistor Q1A, a collector of the PNP transistor Q1A is connected to the LED1-8 through resistors R1, R3, R5, and R7, respectively, where the resistor R1 is connected to the LED1-2, the resistor R2 is connected to the LED3-4, the resistor R3 is connected to the LED5-6, and the resistor R4 is connected to the LED 7-8.

In this embodiment, the control of stepless dimming and the alternate control of high beam and low beam can be realized for the LED by the cooperation of the single chip processor 9 and the illumination control circuit 12:

when the brightness of the light is adjusted, the knob shown in fig. 3 is firstly rotated, the brightness is enhanced in the clockwise direction, and the brightness is weakened in the counterclockwise direction. With reference to fig. 5, the knob shown in fig. 3 is mechanically connected to the variable resistor R8 of fig. 5 (the output end of the knob is connected to the resistance adjusting end of the variable resistor R8), the knob rotates, the effective resistance of the single chip microcomputer is changed by the output of the variable resistor R8, and then different voltage values are detected by corresponding pins of the single chip microcomputer, so as to control the PWM output end of the brightness adjusting STM8S003F3 single chip microcomputer to output PWM waves with variable frequency, when the pulse width (negative voltage) of the PWM wave controlling the conduction of the triode Q1A is wider, the LED module is also higher in brightness, and otherwise, the LED module.

Secondly, the principle that the singlechip carries out far and near light alternative control on the LED module is as follows: as shown in fig. 5 and 6, when one of the four-stage key module 10 in fig. 2 is pressed, the PWM terminal of the STM8S003F3 single chip microcomputer controls the Q1A to be turned on, so that the power voltage is applied to the anode of the light emitting diode. Meanwhile, the STM8S003F3 singlechip outputs a low level to a corresponding group of LEDs, so that the LEDs are lightened.

In this embodiment, the wireless charging management chip 2 is an SGD5142ED chip, as shown in fig. 4. When the receiving coil is placed on the transmitting coil, the transmitting coil detects the load, and at this time, the transmitting coil and the capacitor are in an LC resonance state, magnetic flux generated by the change of the electric field of the transmitting coil is coupled to the receiving coil, so that the receiving coil L2 generates an electric field with alternating current change. A high-voltage rectifying circuit in an SGD5142ED chip can rectify a received AC signal into a DC power supply to be supplied to a battery for charging, a charging management circuit is integrated in the chip, the battery voltage is detected in real time through a VDD pin, trickle charging is carried out when the battery voltage is less than 2.7V, normal charging is carried out when the battery voltage is greater than 2.7V, trickle charging is carried out when the battery voltage is charged to about 4.15V, and charging is finished when the battery voltage is charged to 4.2V. The function of the D9 indicator light is to indicate that the receiver is not placed on the charging dock when the indicator light is off. When the indicator light is normally on, it indicates that the battery is fully charged. When the indicator light blinks, it indicates that the battery is charging.

In addition, the discharge management chip 5 is a DS2762 lithium battery charge and discharge management chip for managing the charging of the battery to the mobile terminal. The power module 7 is a power supply voltage stabilization chip, and can provide 2.5V, 3.3V or 5V output voltage according to different single chip microcomputer processors 1, so that the model is not limited to a certain type, for example, 7805 series, tps7333 can be provided. The type of the power detection chip 8 is not limited to a certain type, for example, the power detection chip may be DS2780, and when the battery power is detected to be low, a buzzer gives an alarm.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel mobile lighting equipment of wireless charging, includes the casing and sets up battery (4) in the casing, its characterized in that: a control circuit board is arranged in the shell and comprises a wireless charging management chip (2), a charging indicator lamp (3), a discharging management chip (5), a power module (7), an electric quantity detection chip (8), a single chip microcomputer processor (9), an illumination control circuit (12) and a buzzer (13), wherein the input end of the wireless charging management chip (2) is connected with the wireless charging coil (1), the output end of the wireless charging management chip (2) is connected with the charging indicator lamp (3) and a battery (4), the output end of the battery (4) is connected with the discharging management chip (5) and the power module (7), the output end of the discharging management chip (5) is connected with a discharging port (6), the output end of the power module (7) is connected with the electric quantity detection chip (8) and the single chip microcomputer processor (9), the output end of the electric quantity detection chip (8) is connected with the single chip microcomputer, the LED light-adjusting device is characterized in that the input end of the single chip microcomputer processor (9) is electrically connected with the four-gear key module (10) and the light-adjusting knob (11), the output end of the single chip microcomputer processor (9) is electrically connected with the illumination control circuit (12) and the buzzer (13), and the output end of the illumination control circuit (12) is connected with the LED module (14).

2. The novel wireless charging mobile lighting device according to claim 1, wherein: the LED module (14) is arranged in a focusing lens of the lamp holder, the LED module (14) is divided into four groups of LEDs, one group of LEDs is arranged at the focus of the focusing lens, and the rest three groups of LEDs are sequentially arranged at the position far away from the focus.

3. The novel wireless charging mobile lighting device according to claim 1, wherein: the discharge port (6) is a USB interface and is arranged at the tail of the shell.

4. The novel wireless charging mobile lighting device according to claim 1, wherein: the rear cover is installed at the tail end of the shell, and a wireless charging coil (1) is arranged on the rear cover.

5. The novel wireless charging mobile lighting device according to claim 1, wherein: the four-gear key module (10) and the dimming knob (11) are arranged on the side face of the shell.

6. The novel wireless charging mobile lighting device according to claim 1, wherein: the lighting control circuit (12) comprises a PNP triode Q1A, an emitter of the PNP triode Q1A is connected with a battery anode BAT +, a base of the PNP triode Q1A is connected with the control module through a resistor R23, a resistor R4 is connected between the emitter of the PNP triode Q1A and the base, a collector of the PNP triode Q1A is connected with an LED1-8 through resistors R1, R3, R5 and R7 respectively, the resistor R1 is connected with an LED1-2, the resistor R2 is connected with an LED3-4, the resistor R3 is connected with an LED5-6, and the resistor R4 is connected with an LED 7-8.

7. The novel wireless charging mobile lighting device according to claim 1, wherein: the wireless charging management chip (2) is an SGD5142ED chip.

8. The novel wireless charging mobile lighting device according to claim 1, wherein: the discharge management chip (5) is a DS2762 lithium battery charge and discharge management chip.

9. The novel wireless charging mobile lighting device according to claim 1, wherein:

the power supply module (7) is a power supply voltage stabilization chip.