CN201265752Y - Lighting and charging induction device - Google Patents

Abstract

An illumination charging induction device comprises an induction switch of a large coil and a small coil, wherein the large coil and the small coil are respectively arranged on a charging base and a barrel body main body, the charging base is used for reducing an alternating voltage and generating an oscillation signal to be supplied to the large coil, the barrel body main body is provided with at least one LED illuminating lamp, and the small coil and the large coil move relatively to generate electromagnetic induction; the LED illuminating lamp of the cylinder body main body is automatically controlled to be turned on and off in the charging process by utilizing electromagnetic induction generated between the large coil and the small coil.

Description

Lighting Charging Sensing Device

【Technical field】

The utility model relates to a lighting charging induction device, in particular to a lighting charging induction device that automatically controls the opening and closing of lighting for a flashlight that is being charged or unplugged by means of electromagnetic induction.

【Background technique】

The traditional battery charging method generally adopts the contact charging method. The user directly connects the charging street to a different transformer with various wires, and then outputs a suitable voltage through the transformer, and then uses a traditional contactor to connect to the charging terminal. Battery. The possible disadvantages of this charging method are that the exposed wires are easily broken, deformed or subjected to external damage during frequent use, which poses a safety hazard; it also takes up storage and layout space; at the same time, the charging connector will be damaged due to repeated plugging and unplugging Operation, it is easy to cause mechanical wear and tear, resulting in loose contact or poor electrical contact, but then the power cannot be effectively transmitted, affecting normal functions.

At present, ultra-high brightness or power light-emitting diodes (LEDs), as the carrier of the fourth-generation semiconductor lighting, have emerged in the early 21st century. Ultra-high brightness or power LEDs have the advantages of low voltage drive, low power consumption, small size, light weight, stable temperature, high reliability, etc., and do not contain mercury and other pollutants, which are more environmentally friendly than traditional light bulbs.

The general emergency lighting equipment is connected to the mains for a long time, and the rechargeable battery is charged. When the mains is cut off, the emergency lighting equipment is started, and the power is supplied by the rechargeable battery; Can't use, and complex structure, volume is big, more can't carry.

Therefore, how to simultaneously provide charging and emergency lighting effects, and how to achieve a lighting charging induction device with a simple structure, easy operation and portability, is an urgent issue in the lighting charging problem.

【Content of invention】

The purpose of the utility model is to provide a lighting charging induction device, which uses the principle of electromagnetic induction to control the opening and closing of the circuit when the flashlight is inserted into the charging base and pulled out from the charging base.

Another purpose of the present utility model is to turn on the LED light for emergency lighting by means of electromagnetic induction when the charging source (such as mains) is suddenly blocked during charging.

Therefore, in order to achieve the above purpose, the utility model provides a lighting charging induction device, which includes an induction switch with a large coil and a small coil, and the large coil and the small coil are respectively arranged on a charging base and a charging base. On the main body of the barrel, the charging base steps down an AC voltage and generates an oscillating signal, which is provided to the large coil. The main body of the barrel has at least one LED lighting lamp, and the small coil is opposite to the large coil. motion to generate electromagnetic induction.

Preferably, when the main body of the main body is inserted into the charging base for charging, the AC voltage suddenly cuts off, and the LED light of the main body of the main body can be turned on by the electromagnetic induction of the inductive switch. It can be used as emergency lighting.

Preferably, when the main body of the main body is inserted into the charging base and is powered by the AC voltage, the LED light of the main body of the main body is turned off by the electromagnetic induction of the inductive switch, and the charging of the main body of the main body is started.

Preferably, when the main body of the barrel is put into the charging base, the induction switch generates electromagnetic induction to turn off the LED lighting of the main body of the barrel; when the main body of the barrel leaves the charging base, the induction switch That is, electromagnetic induction is generated to turn on the LED lighting of the barrel body.

Therefore, with the above structure, the utility model can utilize the electromagnetic induction generated between the large coil and the small coil of the induction switch to automatically control the lighting on and off of the barrel body during the charging process.

【Description of drawings】

Fig. 1 shows the structural representation of an embodiment of the utility model;

Fig. 2 shows the circuit diagram of the charging base of this embodiment of the utility model;

Fig. 3 shows the circuit diagram of the cylinder main body of this embodiment of the utility model.

Explanation of main component symbols

1 Lighting charging induction device 2 Charging base

22 Power input part 23 Step-down circuit

24 Full-wave rectification circuit 25 Oscillation circuit

26 output part 3 barrel body

31 Input interface 32 Magnetic induction switch control circuit

33 Display control circuit 34 Half-wave rectification circuit

35 Voltage regulator circuit 36 Lithium battery protection circuit

4 inductive switch 41 large coil

42 small coil R1～R13 resistance

BR1 rectifier C1～C5 capacitor

D1 Diode D3 Diode

L1～L6 LED lighting lamp Q1 transistor

Q3 Transistor Q4 Transistor

IC2 integrated circuit IC3 integrated circuit

U1 integrated circuit RS oscillating signal

【Detailed ways】

The preferred embodiments of the present invention will be described in detail below in conjunction with the drawings.

Please refer to FIG. 1 , which is a schematic structural diagram of an embodiment of the present invention; the lighting charging induction device 1 of this embodiment includes a charging base 2 , a barrel body 3 and an induction switch 4 .

The induction switch 4 includes a large coil 41 and a small coil 42. The large coil 41 in this embodiment is arranged on the charging base 2, and the small coil 42 is arranged on the barrel body 3; of course, the large coil 41 can also be arranged on the The barrel main body 3 is provided with the small coil 42 on the charging base 2, so it is not limited thereto.

The charging base 2 is used to connect to an AC voltage (AC120V) and step down the AC voltage to provide voltage power to the main body 3 of the cylinder body and to provide a signal to the large coil 41 .

The barrel body 3 is a flashlight structure with six LED lights L1-L6 (please refer to FIG. 3 ), and the charging switch is controlled by the electromagnetic induction of the induction switch 4, as described later.

Please refer to FIG. 2 , which shows the circuit diagram of the charging base of the embodiment of the present invention. The circuit structure of the charging base 2 includes a power input part 22 , a step-down circuit 23 , a full-wave rectification circuit 24 , an oscillator circuit 25 and an output part 26 .

An alternating current AC120V is provided to the power input part 22, and the voltage is lowered through the step-down circuit 23, and the step-down circuit 23 is composed of resistors R1, R9 and capacitor C1. After step-down by the step-down circuit 23, rectification and filtering are performed by the full-wave rectification circuit 24. The full-wave rectification circuit 24 is composed of a rectifier BR1 and a capacitor C2. The rectifier BR1 is used for rectification, and the capacitor C2 is used for filtering. . Then, an oscillating signal RS is generated through the oscillating circuit 25 and transmitted to the large coil 21 through the output part 26; and the oscillating circuit 25 is composed of capacitors C3, C4, C5, resistors R2, R3 and transistor Q1.

Please refer to FIG. 3 again, which shows the circuit diagram of the barrel body of this embodiment of the present invention. The circuit structure of the barrel body 3 includes an input interface 31 , a magnetic induction switch control circuit 32 , a display control circuit 33 , a half-wave rectification circuit 34 , a voltage stabilizing circuit 35 and a lithium battery protection circuit 36 .

The small coil 42 in the induction switch 4 is connected to the input interface 31. When the small coil 42 senses the electromagnetic field of the large coil 41, an alternating current is generated, wherein the diode D3 of the magnetic induction switch control circuit 32 is rectified to control the display. The transistors Q3 and Q4 of the circuit 33 are turned on (closed) and turned off (opened), so as to control the power-off, power-in and unplugging of the LED lighting lamps L1-L6 during charging. The magnetic induction switch control circuit 32 is composed of diode D3, resistor R1, capacitor C2 and transistor Q1; the display control circuit 33 is composed of switch S1, resistors R2, R3, R4, R6, capacitor C5, transistors Q3, Q4, integrated circuit U1 and six LED lamps L1-L6, this embodiment is described by taking six lighting lamps as an example, but it is not limited thereto.

In addition, through the diode D5 of the half-wave rectification circuit 34 for rectification, and the diode D1 and capacitor C1 of the voltage stabilizing circuit 35 for voltage stabilization and filtering, and then the resistor R6 of the display control circuit 33 for current limiting, through the trigger (trigger) The switch S1 is used to control the states of the transistors Q3, Q4 and the integrated circuit U1, and then output control signals to control the on, flash and off actions of the LED lights L1-L6.

The lithium battery protection circuit 36 is electrically connected to the display control circuit 33, and the lithium battery protection circuit 36 is composed of resistors R5, R7, R8, R9, R10, R12, R13, capacitor C4 and integrated circuits IC2 and IC3; wherein, The integrated circuit IC2 monitors whether the charging voltage of a lithium battery (not shown in the figure) has overvoltage or overcurrent during charging, and whether the battery is over-discharged or short-circuited during discharge, and then through the integrated circuit IC3 To disconnect and cut off, in order to protect the lithium battery.

When the charging base 2 is connected to the AC voltage of the mains, and the barrel body 3 is put into the charging base 2, the large coil 41 and the small coil 42 in the induction switch 4 move relative to each other to generate electromagnetic induction, and the barrel body 3 is provided for charging. Charging; and if the mains power supply is cut off suddenly during the charging process, the LED lights L1-L6 of the barrel body 3 can be activated by the electromagnetic induction of the induction switch, which can be used as emergency lighting. In addition, when the barrel body 3 leaves the charging base 2, the induction switch 4 generates electromagnetic induction, and the LED lights L1-L6 of the barrel body 3 light up; Electromagnetic induction is also generated between the large coil 41 and the small coil 42 of the switch 4 to turn off the LED lighting lamps L1 - L6 of the barrel body 3 .

Therefore, with the above structure, not only can it be automatically opened and closed to achieve the purpose of emergency lighting, but also the structure is simple, and it is easy to operate and carry.

To sum up, this is only a description of the preferred implementation or example of the technical means used to solve the problems in this utility model, and it is not used to limit the scope of implementation of the utility model patent. That is, all equivalent changes and modifications that are consistent with the scope of the patent application of the utility model, or made according to the scope of the patent application of the utility model, are all covered by the patent scope of the utility model.

Claims (6)

1. the charging induction installation throws light on, comprise a inductive switch with a big coil and a small coil, this big coil and this small coil system are separately positioned on a charging base and the stack shell main body, this charging base system is with an alternating voltage step-down, and produce an oscillator signal, and offering this big coil, this stack shell main body has at least one LED illuminating lamp, and the relative motion of this small coil system and this big coil is characterized in that to produce electromagnetic induction:

When this stack shell main body is plugged in this charging base when charging, during this alternating voltage outage,, light with the LED illuminating lamp that starts this stack shell main body by the electromagnetic induction of this inductive switch, can be used as Emergency Light and use.

2. the charging induction installation throws light on, comprise a inductive switch with a big coil and a small coil, this big coil and this small coil system are separately positioned on a charging base and the stack shell main body, this charging base system is with an alternating voltage step-down, and produce an oscillator signal, and offering this big coil, this stack shell main body has at least one LED illuminating lamp, and the relative motion of this small coil system and this big coil is characterized in that to produce electromagnetic induction:

When this stack shell main body is plugged in this charging base, when providing power supply by this alternating voltage simultaneously, close the LED illuminating lamp of this stack shell main body by the electromagnetic induction of this inductive switch, start the charging of stack shell main body.

3. the charging induction installation throws light on, comprise a inductive switch with a big coil and a small coil, this big coil and this small coil system are separately positioned on a charging base and the stack shell main body, this charging base system is with an alternating voltage step-down, and produce an oscillator signal, and offering this big coil, this stack shell main body has at least one LED illuminating lamp, and the relative motion of this small coil system and this big coil is characterized in that to produce electromagnetic induction:

When this stack shell main body was presented to this charging base, this inductive switch promptly produced electromagnetic induction, to close the LED illuminating lamp of this stack shell main body; When this stack shell main body was left this charging base, this inductive switch promptly produced electromagnetic induction, to open the LED illuminating lamp of this stack shell main body.

4. according to claim 1,2 or 3 described illumination charging induction installations, it is characterized in that: this charging base has a power input part, a reduction voltage circuit, a full-wave rectifying circuit, an oscillating circuit and an efferent, alternating current is imported from power input part, after the reduction voltage circuit step-down, again through full-wave rectifying circuit rectification and filtering, produce oscillator signal by oscillating circuit then, export to big coil by efferent.

5. according to claim 1,2 or 3 described illumination charging induction installations, it is characterized in that: this stack shell main body has an input interface, a magnetic induction switch control circuit, a display control circuit, a half-wave rectification circuit, a mu balanced circuit and a lithium electric protection circuit, small coil is connected with input interface, when small coil is sensed the electromagnetic field of big coil, produce alternating current, carry out rectification through the magnetic induction switch control circuit, with the conducting of control display control circuit with end; In addition carry out rectification, and mu balanced circuit carries out voltage stabilizing and filtering, carry out current limliting by display control circuit again, and then the output control signal is with control LED illuminating lamp through half-wave rectifying circuit; Lithium electric protection circuit and display control circuit electrically connect.

6. illumination charging induction installation according to claim 4, it is characterized in that: this display control circuit cording has some LED illuminating lamps.

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