CN218888172U

CN218888172U - Charging circuit for camp lamp and camp lamp thereof

Info

Publication number: CN218888172U
Application number: CN202223053374.9U
Authority: CN
Inventors: 唐欢
Original assignee: Shenzhen Aobai Technology Co Ltd
Current assignee: Shenzhen Aobai Technology Co Ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-18
Anticipated expiration: 2032-11-17

Abstract

The utility model belongs to the technical field of electronic circuit, a charging circuit and campsite lamp for campsite lamp is related to, include: the charging and discharging system comprises a charging and discharging interface module, a charging and discharging management module, a control module, an MCC magnetic charging module and an energy storage module; the charging and discharging interface module is used for connecting power supply equipment or charging equipment; the charging and discharging management module is connected with the charging and discharging interface module and used for converting a first power voltage introduced by the charging and discharging interface module into a first charging voltage or converting an output voltage output by the energy storage module into a power supply voltage; the energy storage module is connected with the charging and discharging management module and is used for outputting a first charging voltage to the energy storage module or outputting a power supply voltage to the charging and discharging interface module; the MCC magnetic suction charging module is connected with the energy storage module; the control module is connected with the MCC magnetic absorption charging module and is used for controlling the MCC magnetic absorption charging module to be connected or disconnected with the energy storage module.

Description

Charging circuit for camp lamp and camp lamp thereof

Technical Field

The utility model belongs to the technical field of the electronic circuit, a charging circuit and campsite lamp for campsite lamp is related to.

Background

The mode that campsite lamp on the existing market all charges adopts single port of charging to charge mostly, adopt TYPE-C port of charging or Micro USB port of charging to charge promptly, but owing to adopt single port of charging to charge, lead to the campsite lamp too single when charging, and current campsite lamp generally can only regard as the powered device to use, nevertheless the user uses the cell-phone in outdoor activities, the very easy circumstances that appears not having the electricity when electronic equipment such as dull and stereotyped, under the precious condition of charging is not carried to the user again, the campsite lamp also can not charge as other electronic equipment of power supply unit with it, the function that leads to current campsite lamp is also too single, thereby the user experience when using the campsite lamp has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, provide a charging circuit and campsite lamp for campsite lamp, can charge for the campsite lamp through the charge mode of two kinds of differences on the one hand, on the other hand can charge for electronic equipment as power supply unit with the campsite lamp to promote the user experience when using the campsite lamp.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a charging circuit for a campsite lamp, comprising: the charging and discharging system comprises a charging and discharging interface module, a charging and discharging management module, a control module, an MCC magnetic charging module and an energy storage module;

the charging and discharging interface module is used for connecting power supply equipment or charging equipment;

the charging and discharging management module is connected with the charging and discharging interface module and is used for converting a first power supply voltage introduced by the charging and discharging interface module into a first charging voltage or converting an output voltage output by the energy storage module into a power supply voltage;

the energy storage module is connected with the charging and discharging management module and is used for outputting a first charging voltage to the energy storage module or outputting the power supply voltage to the charging and discharging interface module;

the MCC magnetic suction charging module is connected with the energy storage module and is used for converting an introduced second power supply voltage into a second charging voltage and transmitting the second charging voltage to the energy storage module;

the control module is connected with the MCC magnetic suction charging module, and the control module is used for controlling the MCC magnetic suction charging module to be connected with or disconnected from the energy storage module.

Further, the charging and discharging interface module includes: TYPE-C interface module and USB-A interface module, USB-A interface module reaches TYPE-C interface module all with charge and discharge management module connects.

Further, the charging circuit further includes: a first switch module, first switch module simultaneously with TYPE-C interface module with charge and discharge management module connects, is used for control TYPE-C interface module with charge and discharge management module connects or breaks off.

Further, the charging circuit further includes: and the second switch module is simultaneously connected with the USB-A interface module and the charge and discharge management module and is used for controlling the connection or disconnection of the USB-A interface module and the charge and discharge management module.

Further, the MCC magnetic charging module comprises: the MCC magnetic suction interface, a third switch module and a handshake protocol module;

the MCC magnetic suction interface is used for connecting power supply equipment;

the third switch module is simultaneously connected with the energy storage module and the magnetic suction interface;

the handshake protocol module is connected with the third switch module and is also connected with the control module.

Further, the MCC magnetic charging module further comprises: and the power supply equipment access detection module is simultaneously connected with the MCC magnetic suction interface and the control module.

Further, the charging circuit further includes: and the battery voltage detection module is simultaneously connected with the energy storage module and the control module.

Further, the third switching module includes: the utility model discloses a handle interface, including first triode, second triode, third MOS pipe, the grid of third MOS pipe is used for connecting the protocol module of shaking hands, the source electrode of third MOS pipe is used for connecting energy storage module, the drain electrode of third MOS pipe is connected the positive link of interface is inhaled to the MCC magnetism, the projecting pole of first triode is connected the positive link of interface is inhaled to the MCC magnetism, the collecting electrode of first triode is used for ground connection, the base of first triode is connected the base of second triode, the projecting pole of second triode is connected energy storage module, the collecting electrode of second triode is used for ground connection.

The utility model also provides a campsite lamp, include: the main part, the campsite lamp still includes: the charging circuit, charging circuit locates in the main part, the bottom of campsite lamp is equipped with the depressed area, be equipped with magnetism in the depressed area and inhale charging device, MCC magnetism is inhaled charging module and is located in the magnetism inhales charging device.

Furthermore, the bottom of the main body is also provided with a plurality of uniformly distributed protruding parts, and foot pads are further arranged on the protruding parts.

The utility model has the advantages that:

(1) The charging module is inhaled through setting up charge-discharge interface module and MCC magnetism for the user both can be connected power supply unit and charge with charge-discharge interface module and charge for the energy storage module of campsite lamp when charging for the campsite lamp, also can inhale the charging module with power supply unit and MCC magnetism and be connected, realizes charging for the energy storage module of campsite lamp, thereby promotes the variety of campsite lamp charge mode.

(2) Owing to set up charge-discharge interface module and magnetism and inhale the module of charging for the user can adopt the mode of two ports of charging to charge for the campsite lamp when charging for the campsite lamp, thereby promotes the charging speed of campsite lamp when charging.

(3) The charging and discharging management module is connected with the charging and discharging interface module, the output voltage output by the energy storage module is converted into power supply voltage, and the charging and discharging interface module can be used for connecting charging equipment, so that the camp lamp can be charged for battery equipment as the power supply equipment, the function of the camp lamp can be diversified, and the use experience of a user when the camp lamp is used is improved.

Drawings

Fig. 1 is a schematic diagram of the charging and discharging interface module, the charging and discharging management module, the energy storage module, the first switch module and the second switch module when they are connected;

fig. 2 is a schematic diagram of the MCC magnetic charging module and the voltage stabilizing module of the present invention;

FIG. 3 is a schematic diagram of a control module according to the present invention;

FIG. 4 is a schematic diagram of a battery voltage detection module according to the present invention;

fig. 5 is a schematic diagram of a charging state display module according to the present invention;

fig. 6 is a schematic structural view of the middle camp lamp of the present invention.

The labels in the figure are: 100-body, 110-recessed area, 120-protruding portion; 200-foot pad; 300-magnetic attraction charging device.

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 to implicitly indicate 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," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrated; 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.

Referring to fig. 1-3, a charging circuit for a campsite lamp includes: the charging and discharging management system comprises a charging and discharging interface module, a charging and discharging management module, a control module, an MCC magnetic absorption charging module and an energy storage module; the charging and discharging interface module is used for connecting power supply equipment or charging equipment; the charging and discharging management module is connected with the charging and discharging interface module and used for converting a first power voltage introduced by the charging and discharging interface module into a first charging voltage or converting an output voltage output by the energy storage module into a power supply voltage; the energy storage module is connected with the charging and discharging management module and is used for outputting a first charging voltage to the energy storage module or outputting a power supply voltage to the charging and discharging interface module; the MCC magnetic suction charging module is connected with the energy storage module and is used for converting the introduced second power supply voltage into a second charging voltage and transmitting the second charging voltage to the energy storage module; the control module is connected with the MCC magnetic absorption charging module and is used for controlling the MCC magnetic absorption charging module to be connected or disconnected with the energy storage module. Further, the charge and discharge management module includes: the charging and discharging management chip U1, in this embodiment, the control chip U2 is of a type SC92F8003, the energy storage module is a battery, and the charging and discharging management chip U1 is of a type IP5332.

By arranging the charging and discharging interface module and the MCC magnetic absorption charging module, when a user charges the camp lamp, the power supply equipment and the charging and discharging interface module can be connected to charge the energy storage module of the camp lamp, and the power supply equipment and the MCC magnetic absorption charging module can also be connected to charge the energy storage module of the camp lamp, so that the diversity of charging modes of the camp lamp is improved; and through with charge-discharge management module with charge-discharge interface module connects for output voltage with the energy storage module output converts supply voltage into, and charge-discharge interface module that charges can also be used for connecting battery charging outfit, makes the campsite lamp charge for battery equipment as power supply outfit, thereby makes the function of campsite lamp can be more diversified, thereby promotes the use experience of user when using the campsite lamp.

In one embodiment, referring to fig. 1, the charge/discharge interface module includes: the TYPE-C interface module and the USB-A interface module are connected with the charge and discharge management module.

In one embodiment, referring to fig. 1, the charging circuit further includes: and the first switch module is simultaneously connected with the TYPE-C interface module and the charging and discharging management module and is used for controlling the TYPE-C interface module to be connected with or disconnected from the charging and discharging management module. Specifically, the first switch module includes: first MOS pipe Q1, the voltage output VCC of TYPE-C interface module is connected to first MOS pipe Q1's drain electrode, and first voltage input output end VSN of charge-discharge management chip U1 is connected to first MOS pipe Q1's source electrode, charge-discharge management chip U1's first control end VBUSG is connected to first MOS pipe Q1's grid. The setting of first switch module, campsite lamp are when charging or discharging, and TYPE-C interface module can be connected with charge and discharge management module, and when the campsite lamp did not charge or discharge, TYPE-C interface module can with charge and discharge management module disconnection.

In one embodiment, referring to fig. 1, the charging circuit further includes: and the second switch module is simultaneously connected with the USB-A interface module and the charge and discharge management module and is used for controlling the connection or disconnection of the USB-A interface module and the charge and discharge management module. Specifically, the second switch module includes: and ase:Sub>A drain electrode of the second MOS tube Q2 is connected with ase:Sub>A voltage output end VCC of the USB-A interface module, ase:Sub>A source electrode of the second MOS tube Q2 is connected with ase:Sub>A first voltage input and output end VSN of the charging and discharging management chip U1, and ase:Sub>A grid electrode of the second MOS tube Q2 is connected with ase:Sub>A second control end VOUTG of the charging and discharging management chip U1. The second switch module is arranged, when the campsite lamp is charged or discharged, the USB-A interface module can be connected with the charging and discharging management module, and when the campsite lamp is not charged or discharged, the USB-A interface module can be disconnected with the charging and discharging management module.

In one embodiment, referring to fig. 2, the mcc magnetic charging module comprises: the MCC magnetic suction interface CON2, a third switch module and a handshake protocol module; the MCC magnetic interface CON2 is used for connecting power supply equipment; the third switch module is simultaneously connected with the energy storage module and the magnetic suction interface; the handshake protocol module is connected with the third switch module and is also connected with the control module. Inhale the module of charging through setting up MCC magnetism includes: the MCC magnetic suction interface CON2, the third switch module and the handshake protocol module ensure that the second power supply voltage can be converted into the second charging voltage to be transmitted to the energy storage module.

In one embodiment, referring to fig. 2, the third switch module includes: a third MOS transistor Q7, a first triode Q3 and a second triode Q5, wherein a gate of the third MOS transistor Q7 is used for connecting a handshake protocol module, a source of the third MOS transistor Q7 is used for connecting an energy storage module, specifically, a source of the third MOS transistor Q7 is connected with a positive connection terminal BAT + of the energy storage module after being connected with a twenty-first resistor R21, a drain of the third MOS transistor Q7 is connected with a positive connection terminal CH + of a magnetic attraction interface CON2, an emitter of the first triode Q3 is connected with a positive connection terminal CH + of the magnetic attraction interface CON2, a collector of the first triode Q3 is used for grounding, specifically, a collector of the first triode Q3 is connected with a twenty-second resistor R22 and then grounded, a collector of the first triode Q3 is connected in series with a base of the first triode Q3, a base of the first triode Q3 is connected with a base of the second triode Q5, an emitter of the second triode Q5 is connected with the energy storage module, specifically, an emitter of the second triode Q5 is used for connecting a collector of the second triode Q5 with a positive connection terminal BAT + of the second triode Q5, and a collector of the twenty-first triode Q5 is connected with a ground; the first triode Q3 and the second triode Q5 can form a voltage comparison circuit, and the MCC magnetic interface CON2 is compared with the voltage of the energy storage module to control the connection or disconnection of the third MOS transistor Q7.

In one embodiment, referring to fig. 2, the handshake protocol module includes: the emitter of the third triode Q6 is connected with the positive connecting end BAT + of the energy storage module, the collector of the third triode Q6 is connected with the grid of the third MOS tube Q7 and the connecting end of the collector of the second triode Q5, the base of the third triode Q6 is connected with the collector of the fourth triode Q8, the emitter of the fourth triode Q8 is grounded, and the base of the fourth triode Q8 is connected with the enabling end P _2.6 of the control chip U2. The third triode Q6 and the fourth triode Q8 form a handshake protocol module, so that the MCC magnetic interface CON2 module can determine a charging current according to a handshake protocol with the MCC charging wire.

In one embodiment, referring to fig. 2, the mcc magnetic charging module further comprises: the power supply equipment access detection module is connected with the MCC magnetic suction interface CON2 and the control module. Specifically, the power supply equipment access detection module includes: a twenty-fourth resistor R24, a twenty-fifth resistor R25, and a twenty-seventh capacitor C27, wherein a first end of the twenty-fourth resistor R24 is connected to the positive connection terminal CH + of the MCC magnetic adsorption interface CON2, a second end of the twenty-fourth resistor R24 is connected to a first end of the twenty-fifth resistor R25, a second end of the twenty-fifth resistor R25 is grounded, the twenty-fourth resistor R24 is connected to the twenty-fifth resistor R25 and is connected to the first voltage detection terminal AIN2 of the control chip U2, a first end of the twenty-seventh capacitor C27 is connected to a connecting end of the twenty-fourth resistor R24 and the twenty-fifth resistor R25, and a second end of the twenty-seventh capacitor C27 is grounded. Through setting up power supply unit and inserting detection module for power supply unit inhales the module of charging with MCC magnetism and is connected the back, power supply unit inserts detection module and can sends the voltage signal who detects to control chip U2, makes control chip U2 can input corresponding control signal control third MOS pipe Q7 and opens, thereby guarantees that MCC magnetism inhales interface CON2 and energy storage module and switches on.

In one embodiment, referring to fig. 4, the charging circuit further includes: and the battery voltage detection module is simultaneously connected with the energy storage module and the control module. Specifically, the battery voltage detection module includes: the first end of the ninth resistor R9 is connected with the positive connecting end BAT + of the energy storage module, the second end of the ninth resistor R9 is connected with the first end of the tenth resistor R10, the second end of the tenth resistor R10 is grounded, the connecting end of the ninth resistor R9 and the tenth resistor R10 is connected to the second voltage detection end AIN6 of the control chip U2, the first end of the nineteenth capacitor C19 is connected to the connecting end of the ninth resistor R9 and the tenth resistor R10, and the other end of the nineteenth capacitor C19 is grounded. Through setting up battery voltage detection module for the voltage that battery voltage detection circuit detected can feed back to control chip U2, thereby the voltage comparison circuit that first triode Q3 and second triode Q5 are constituteed can compare the voltage of MCC magnetism interface CON2 with energy storage module's voltage, guarantees switching on or closing that voltage comparison circuit can control third MOS pipe Q7.

In one embodiment, refer to fig. 1, pin CC1 of charge and discharge management chip U1 is connected to pin 12 of TYPE-C interface module, pin CC2 of charge and discharge management chip U1 is connected to pin 5 of TYPE-C interface module, pin 3 of charge and discharge management chip U1 DMC is connected to pin 3 of TYPE-C interface module and to pin 10 of TYPE-C interface module, pin 4 of charge and discharge management chip U1 DPC is connected to pin 4 of TYPE-C interface module and to pin 11 of TYPE-C interface module, pin 31 of charge and discharge management chip U1 DMA is connected to pin 2 of USB-ase:Sub>A interface module, pin 32 of charge and discharge management chip U1 dpase:Sub>A is connected to pin 3 of USB-ase:Sub>A interface module, pin 1 of charge and discharge management chip U1 INT is connected to pin 1 of control chip U2P 0_0, pin 9 of charge and discharge management chip U1 is connected to pin 2 of sdase:Sub>A 2, pin 17 of pin 2 of sdase:Sub>A is connected to pin 4 of USB-ase:Sub>A charge and discharge management chip U1, pin 1 of charge and discharge management chip U1 is connected to pin 1 of scle-C interface module, pin 4 of sdase:Sub>A is connected to pin 4 of charge and discharge management chip U1, pin 4 of sdase:Sub>A and charge management chip, charge management chip U1 and discharge management chip U2, and charge management chip 12 charge management chip, and discharge management chip id 2.

In one embodiment, referring to fig. 2, the charging circuit further includes: and the voltage stabilizing circuit is simultaneously connected with the energy storage module, the control chip U2 and the MCC magnetic charging module. Specifically, the voltage stabilization module includes: the voltage stabilizing chip U3, the voltage input end VIN of the voltage stabilizing chip is connected with the anode connecting end BAT + of the energy storage module, the anode connecting end BAT + of the energy storage module is connected with the voltage input end VIN of the voltage stabilizing chip in sequence, the twenty-third capacitor C23 and the twenty-second capacitor C22 are both grounded, the grounding end GND of the voltage stabilizing chip U3 is grounded, the voltage output end VOUT of the voltage stabilizing chip U3 is connected with the voltage input end P2_4 of the control chip U2, the voltage output end VOUT of the voltage stabilizing chip U3 is connected with the twenty-fourth capacitor C24, the other end of the twenty-fourth capacitor C24 is grounded, the voltage output end VOUT of the voltage stabilizing chip U3 is connected with the second diode D2 in sequence, and the MCC magnetic suction interface CON2 is connected after the sixteenth resistor R16. In this embodiment, the model of the voltage stabilization chip U3 is BL8503-25.

In one embodiment, referring to fig. 5, the charging circuit further includes a charging status display module, where the charging status display module includes: the negative electrode connecting end of the first LED lamp LED1 is connected with a pin P2_2 No. 7 of the control chip U2 and a pin P2_3 No. 8 of the control chip U2, and the positive electrode connecting end of the first LED lamp LED1 is connected with a pin VREG No. 23 of the charge and discharge management chip U1 so as to ensure that the charge management chip U1 can output 3.3V voltage to supply power for the charge state display module and ensure that the charge state display module can normally work.

In one embodiment, the energy storage module is connected to the second voltage input/output terminal LX of the charge/discharge management chip U1, and a first inductor L1 is further connected between the positive connection terminal BAT + of the energy storage module and the second voltage input/output terminal LX of the charge/discharge management chip U1.

Referring to fig. 6, the utility model also provides a campsite lamp, include: the main part, campsite lamp still includes: the charging circuit is arranged in the main body, the bottom of the camp lamp is provided with a concave area 110, the concave area 110 is internally provided with a magnetic charging device 300, and the MCC magnetic charging module is arranged in the magnetic charging device 300. Through setting up depressed area 110 in the bottom of campsite lamp, magnetism is inhaled charging device 300 and is located in depressed area 110, avoided with magnetism on the campsite lamp inhale charging device 300 and directly locate lateral wall or top for the whole region of campsite lamp is more pleasing to the eye, and the depressed area can also hold magnetism on the MCC data line and inhale charging device, avoid the campsite lamp when charging because magnetism on the MCC data line inhales charging device protrusion in the depressed area 110 outside and lead to the campsite lamp steady inadequately

In one embodiment, the bottom of the main body 100 is further provided with a plurality of protruding portions 120 uniformly arranged, and the protruding portions 120 are arranged so that the bottom of the main body 100 and the ground can have a preset distance, thereby ensuring that the MCC data lines can penetrate out of the preset distance. Further, a foot pad 200 is provided on the protruding portion. The setting of callus on the sole 200 can increase the frictional force when bulge and ground contact to promote the campsite lamp and place the stability on ground or desktop.

The charge-discharge working principle of TYPE-C is as follows: when the user uses the TYPE-C data line to be connected with the TYPE-C interface module, the No. 3 connecting end D of the TYPE-C interface module, the No. 4 connecting end D of the TYPE-C interface module, the No. 5 connecting end CC2 of the TYPE-C interface module, the No. 10 connecting end D of the TYPE-C interface module, the No. 11 connecting end D + of the TYPE-C interface module and the No. 12 connecting end CC1 of the TYPE-C interface module can respectively carry out a handshake protocol with the charger through the data line, after the protocol is successfully handshake, the charger can output well-agreed voltage to the product according to the handshake protocol, namely, the voltage can flow into the first voltage input and output end VSN of the charge and discharge management chip U1 through the first MOS pipe Q1, the grid electrode of the first MOS pipe Q1 is controlled by the first control end VBUSG of the charge and discharge management chip U1, the first control end VBUSG of the charge and discharge management chip U1 outputs a low level, the first MOS pipe Q1 is switched on and switched off, the voltage enters the charge and discharge management chip from the first voltage input and output end VBUSG of the charge and discharge management chip U1 to the second charge and discharge management chip LX 1. The operating principle of discharging is similar with the principle of charging outward, after the agreement handshake of TYPE-C interface module on the campsite lamp and external electricity receiving product succeeds, TYPE-C interface module can export the good voltage of agreement for receiving the electricity product, the voltage of battery gets into first inductance buck-boost inductance after the filtration, get into charge-discharge management chip U1 from second voltage input/output end LX, the voltage of buck-boost is exported first MOS pipe Q1 to TYPE-C interface module through charge-discharge management chip U1's first voltage input/output end VSN, accomplish the process of external discharge promptly.

The discharging working principle of the USB-A interface module is as follows: when the protocol handshake between the USB-A interface module and an external power receiving product is successful, the USB-A interface module can output well-agreed voltage to the power receiving product, the voltage of the battery is filtered and then enters the first inductor buck-boost inductor, the second voltage input and output end LX enters the charge and discharge management chip U1, and the buck-boost voltage is output to the second MOS tube to the USB-A interface module through the first voltage input and output end VSN of the charge and discharge management chip U1, so that the external discharge process is completed.

MCC magnetism is inhaled and is charged theory of operation: when the MCC magnet is not used for charging, the voltage of the MCC magnet interface CON2 is 2.5V, the voltages of the collector of the base of the first triode Q3 and the base of the second triode Q5 are 1.9V, the voltage of the base of the second triode Q5 is 1.9V and is lower than the lowest voltage of 2.5V, the second triode Q5 is turned on, after the second triode Q5 is turned on, the gate of the third MOS transistor Q7 is at a high level, the gate voltage of the third MOS transistor Q7 is equal to the battery voltage, and the third MOS transistor Q7 is turned off. When the user uses the MCC magnetism to inhale the line and charge for the product, the voltage of MCC magnetism to inhale interface CON2 can rise to 4.2V from 2.5V, and the voltage of the base of first triode Q3 and the base of second triode Q5 is 3.6V promptly, when the voltage of the positive pole link of battery is less than 4.2V, then second triode Q5 cuts off, and the collector of second triode Q5 is the low level promptly, and the third MOS transistor Q7 grid is the low level promptly, and third MOS transistor Q7 switches on, and after third MOS transistor Q7 switched on, the battery was charged after the charging current passed through third MOS transistor Q7 to twenty first resistance.

MCC magnetism is inhaled and is charged agreement communication principle: when a user charges a product by using the MCC magnetic attraction line, the voltage of the MCC magnetic attraction interface CON2 rises from 2.5V to 4.2V, after the voltage change of the MCC magnetic attraction interface CON2 is detected by the twenty-fourth resistor R24, the twenty-fifth resistor R25 and the twenty-seventh capacitor C27, the voltage change information is fed back to the first voltage detection end AIN2 of the control chip U2, after the first voltage detection end AIN2 of the control chip U2 detects the voltage change information, the enable end EN2 of the control chip U2 sends a high-low level protocol signal to control the on and off of the fourth triode Q8, a high-low level protocol signal is generated at the base of the third triode Q6 to control the on and off of the third triode Q6, that is, a high-low level protocol signal is generated at the gate of the third MOS transistor Q7 to control the on and off of the third transistor Q7, so that a high-low level protocol signal is generated at the MCC magnetic attraction interface CON2, and the MCC magnetic attraction signal is detected by the MCC magnetic attraction interface CON2, and the charging current of the MCC magnetic attraction interface CON2 is suitable for outputting a charging current of the product.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the general 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. A charging circuit for a campsite lamp, comprising: the charging and discharging system comprises a charging and discharging interface module, a charging and discharging management module, a control module, an MCC magnetic charging module and an energy storage module;

the charge-discharge interface module is used for connecting power supply equipment or charging equipment;

2. The charging circuit for a campsite lamp according to claim 1, wherein the charging and discharging interface module comprises: TYPE-C interface module and USB-A interface module, USB-A interface module reaches TYPE-C interface module all with charge and discharge management module connects.

3. A charging circuit for a campsite lamp according to claim 2, wherein the charging circuit further comprises: the first switch module, first switch module simultaneously with TYPE-C interface module with charge and discharge management module connects, is used for control TYPE-C interface module with charge and discharge management module connects or breaks off.

4. A charging circuit for a campsite lamp according to claim 2, wherein the charging circuit further comprises: and the second switch module is simultaneously connected with the USB-A interface module and the charge and discharge management module and is used for controlling the connection or disconnection of the USB-A interface module and the charge and discharge management module.

5. The charging circuit of claim 4, wherein the MCC magnetic charging module comprises: the MCC magnetic suction interface, a third switch module and a handshake protocol module;

6. The charging circuit of claim 5, wherein the MCC magnetic charging module further comprises: and the power supply equipment access detection module is simultaneously connected with the MCC magnetic suction interface and the control module.

7. The charging circuit for a campsite lamp according to claim 1, further comprising: and the battery voltage detection module is simultaneously connected with the energy storage module and the control module.

8. The charging circuit for a campsite lamp according to claim 5, wherein the third switch module comprises: the device comprises a third MOS tube, a first triode and a second triode, wherein a grid electrode of the third MOS tube is used for being connected with a handshake protocol module, a source electrode of the third MOS tube is used for being connected with an energy storage module, a drain electrode of the third MOS tube is connected with a positive connecting end of the MCC magnetic suction interface, an emitting electrode of the first triode is connected with a positive connecting end of the MCC magnetic suction interface, a collecting electrode of the first triode is used for being grounded, a base electrode of the first triode is connected with a base electrode of the second triode, the emitting electrode of the second triode is connected with the energy storage module, and the collecting electrode of the second triode is used for being grounded.

9. A campsite lamp, comprising: the main part, the campsite lamp still includes: the charging circuit of any one of claims 1 to 8, wherein the charging circuit is disposed in the main body, a recessed region is disposed at a bottom of the campsite lamp, a magnetically attracting charging device is disposed in the recessed region, and the MCC magnetically attracting charging module is disposed in the magnetically attracting charging device.

10. The campsite lamp of claim 9, wherein the bottom of the main body further comprises a plurality of evenly arranged protrusions, and the protrusions further comprise foot pads.