CN208797633U - Electronic equipment charging circuit, charging equipment and charging management system - Google Patents

Electronic equipment charging circuit, charging equipment and charging management system Download PDF

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Publication number
CN208797633U
CN208797633U CN201821653734.XU CN201821653734U CN208797633U CN 208797633 U CN208797633 U CN 208797633U CN 201821653734 U CN201821653734 U CN 201821653734U CN 208797633 U CN208797633 U CN 208797633U
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China
Prior art keywords
charging
electronic equipment
circuit
power
equipment
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CN201821653734.XU
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Inventor
曹新放
王永文
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Goertek Techology Co Ltd
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Goertek Techology Co Ltd
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Priority to CN201821653734.XU priority Critical patent/CN208797633U/en
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Abstract

The utility model discloses a kind of electronic equipment charging circuit, charging equipment and charging management system, wherein electronic equipment charging circuit includes power module, switching circuit, the first controller and charging output port;When the charging output port of electronic equipment charging circuit is connect with electronic equipment to be charged, the charge parameter of first controller reception electronic equipment, and when parameter to be charged is matched with preset charge parameter, control switch circuit is opened, and the power supply signal of power module output, which is exported to electronic equipment, to charge;When charge parameter and preset charge parameter mismatch, the power supply signal of the shutdown of control switch circuit, power module output is cut off, and power supply signal stops output to electronic equipment.To solve the problem of mismatching because of circuit interface parameter when charging equipment is electronic equipment to be charged charging, be easy to cause electronic equipment electrical damage.

Description

Electronic equipment charging circuit, charging equipment and charging management system
Technical field
The utility model relates to charging technique field, in particular to a kind of electronic equipment charging circuit, charging equipment and fill Electric management system.
Background technique
With the development of intelligent electronic device, more and more intelligence wearing class products are being used, the wearing class electricity of mainstream It is the watch class (including the products such as wrist-watch and wrist strap) supported that sub- equipment form, which includes with wrist, take foot as the shoes class of support (wearable product on other legs including shoes, socks or future), with head be support Glass class (including glasses, the helmet, Headband etc.) and all kinds of non-mainstream product form, the wearable device such as intelligent clothing, school bag, crutch, accessories it is not only a kind of Hardware device is even more interacted by software support and data interaction, cloud to realize powerful function, and wearable device will Very big transformation is brought to our life, perception, since the function of wearing class equipment is stronger and stronger, for dressing class The cruising ability of product has certain requirement, and product needs to carry out electric power supplement as early as possible when owing electric or out of power, and product is given to charge When, if the circuit interface parameter of charging equipment and electronic equipment to be charged mismatches, (output voltage mismatches, exports electric current not Matching etc.), it is easy to cause electrical damage to electronic equipment, intelligence is caused to dress the reliability reduction or service life contracting of class product It is short, or even product permanent damages or explosion are caused, lead to not normal use.
Utility model content
The main purpose of the utility model is to provide a kind of electronic equipment charging circuit, it is intended to which solving charging equipment is wait fill The problem of mismatching because of circuit interface parameter when electric/electronic apparatus charges, be easy to cause electronic equipment electrical damage.
To achieve the above object, the utility model proposes a kind of electronic equipment charging circuit, the electronic equipment charging circuits Including power module, switching circuit, the first controller and charging output port;
The power output end of the power module is connect with the power input of the switching circuit, the switching circuit Power output end, the signal end of first controller and the charging output port interconnection, the charging output port and to The power input of charged electronic equipment connects;
The power module is configured as out-put supply signal;
The switching circuit is configured as controlling the power supply signal output of the power module when opening, turn off When, cut off the power supply signal output of the power module;
First controller is configured as receiving the charging ginseng that the electronic equipment of the charging output port connection is sent Number, and when the charge parameter is matched with preset charge parameter, it controls the switching circuit and opens;When the charge parameter When mismatching with preset charge parameter, the switching circuit shutdown is controlled.
Preferably, the switching circuit include the first operating voltage input terminal, it is first resistor, relay, diode, two-way Diode and NMOS tube;
The grid of the NMOS is connect with the first end of the bilateral diode, and connecting node is the switching circuit Controlled end, the source grounding of the second end of the bilateral diode and the NMOS tube, the drain electrode of the NMOS tube with it is described The first end of first resistor connects, the second end of the first resistor, the diode positive and described relay coil First end interconnection, the second end of the coil of the cathode of the diode and the relay is defeated with first operating voltage Enter end connection, the first end of the switch of the relay is the power input of the switching circuit, the switch of the relay Second end be the switching circuit power output end.
Preferably, the power module includes alternating current source, current rectifying and wave filtering circuit and protective circuit of voltage regulation;
The power input of the current rectifying and wave filtering circuit is terminated via the AC power source into alternating current, the rectifying and wave-filtering The power output end of circuit is connect with the power input of the protective circuit of voltage regulation, the power supply output of the protective circuit of voltage regulation End is the power output end of the power module.
Preferably, the power module includes the first battery and the first battery management circuit;
The power output end of first battery is connect with the power input of first battery management circuit, described The power output end of first battery management circuit is the power output end of the power module.
Preferably, the current rectifying and wave filtering circuit, the protective circuit of voltage regulation, the switching circuit and first controller It is integrated on pcb board.
Preferably, first battery management circuit, first controller and the switching circuit are integrated in pcb board On.
The utility model also proposes a kind of charging equipment, which includes electronic equipment charging electricity as described above Road.
Preferably, the charging equipment is mobile power source or power supply adaptor.
The utility model also proposes a kind of charging management system, which includes charging equipment as described above And electronic equipment;
The power output end of the charging equipment is connect with the power input of the electronic equipment, the electronic equipment packet Include the second battery and second controller, the power input company of the signal end of the second controller and second battery It connects, connecting node is the power input of the electronic equipment;
The second controller, for sending the charge parameter of the electronic equipment to the first control of the charging equipment Device, so that charge parameter controls the switching circuit conducting or shutdown to first controller based on the received;
Second battery, in switching circuit conducting, receiving the power supply letter of the charging equipment output Number to charge.
Preferably, the first instruction of the charged state for being used to indicate the charging equipment is additionally provided on the charging equipment Lamp is additionally provided with the second indicator light of the charged state for being used to indicate the electronic equipment on the electronic equipment.
Technical solutions of the utility model are by using power module, switching circuit, the first controller and charging output port Electronic equipment charging circuit is formed, when the charging output port of electronic equipment charging circuit is connect with electronic equipment to be charged, First controller receives the charge parameter of electronic equipment, and when parameter to be charged is matched with preset charge parameter, control is opened Powered-down road is opened, and the power supply signal of power module output, which is exported to electronic equipment, to charge;When charge parameter and preset fill When electrical parameter mismatches, the power supply signal of the shutdown of control switch circuit, power module output is cut off, and power supply signal stops output To electronic equipment.To solve when charging equipment is electronic equipment to be charged charging because circuit interface parameter mismatches, it is easy The problem of causing electronic equipment electrical damage.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the functional block diagram of the utility model electronic equipment charging circuit first embodiment;
Fig. 2 is the functional block diagram of the utility model electronic equipment charging circuit second embodiment;
Fig. 3 is the functional block diagram of the utility model electronic equipment charging circuit 3rd embodiment;
Fig. 4 is the functional block diagram of the utility model electronic equipment charging circuit fourth embodiment;
Fig. 5 is the functional block diagram of the utility model electronic device charging system first embodiment;
Fig. 6 is the functional block diagram of the utility model electronic device charging system second embodiment.
Drawing reference numeral explanation:
Label Title Label Title
Electronic equipment charging circuit 100 Second battery 210
Electronic equipment 200 Second controller 220
Power module 110 Second battery management circuit 230
Switching circuit 120 First operating voltage VCC
First controller 130 Diode D1
Current rectifying and wave filtering circuit 111 Bilateral diode D2
Protective circuit of voltage regulation 112 NMOS tube Q1
First battery 113 First resistor R1
First battery management circuit 114 Relay J1
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot It is interpreted as its relative importance of indication or suggestion or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model It is required that protection scope within.
The utility model proposes a kind of electronic equipment charging circuits 100.
As shown in FIG. 1, FIG. 1 is the signals of the functional module of 100 first embodiment of the utility model electronic equipment charging circuit Figure, the electronic equipment charging circuit 100 include power module 110, switching circuit 120, the first controller 130 and charging output end Mouthful (not shown go out);
The power output end of the power module 110 is connect with the power input of the switching circuit 120, the switch The power output end of circuit 120, the signal end of first controller 130 and charging output port interconnection, the charging Output port is connect with the power input of electronic equipment 200 to be charged;
The power module 110, is configured as out-put supply signal;
The switching circuit 120 is configured as controlling the power supply signal output of the power module 110 when opening, When shutdown, the power supply signal output of the power module 110 is cut off;
First controller 130, the electronic equipment 200 for being configured as receiving the charging output port connection are sent Charge parameter control the switching circuit 120 and open and when the charge parameter is matched with preset charge parameter;When When the charge parameter and preset charge parameter mismatch, controls the switching circuit 120 and turn off.
In the present embodiment, electronic equipment 200 mainly include intelligence wearing class product including smartwatch, wrist strap, glasses, The electronic equipments such as the helmet 200.
First controller 130 can be the single-chip microcontroller that function is relatively fewer, performance is relatively weak, be also possible to powerful ARM series processor etc..The preset charge parameter in the inside of first controller 130, charge parameter can be pre-set current value, pre- If voltage value, preset charged rate etc., can be set according to demand, when electronic equipment 200 needs to carry out electric power supplement, electricity The charging output port of sub- equipment charge circuit 100 is connect with the power input of electronic equipment 200 to be charged, the first controller 130 read the charge parameter of electronic equipment 200, and are compared matching with preset charge parameter, when electronic equipment 200 When charge parameter is matched with preset charge parameter, the first controller 130 exports first control signal to switching circuit 120 to control Switching circuit 120 processed is connected, and the charged output port out-put supply signal of power module 110 is to electronic equipment 200, for electronics Equipment 200 charges, and when the charge parameter of electronic equipment 200 and preset charged parameter mismatch, the first controller 130 is defeated Second control signal to switching circuit 120, switching circuit 120 turns off out, and power supply signal stops output to electronic equipment 200, keeps away Exempt from because overcurrent or over-voltage occurs in electronic equipment 200 when charge parameter mismatches, to be protected to electronic equipment 200.
In the present embodiment, switching circuit 120 keeps disconnected before electronic equipment charging circuit 100 is connect with electronic equipment 200 Open state, switching circuit 120 can be made of the simple switching device such as triode, metal-oxide-semiconductor, or using logic gates, double Steady state trigger etc. can be designed as the case may be, it is to be understood that intelligence wearing class interiors of products uses battery Energy storage, such as lithium battery are carried out, generally reception DC power supply, therefore, the power supply signal that power module 110 exports is direct current Source can be the ac-dc converter circuit of the compositions such as current rectifying and wave filtering circuit 111, voltage regulator circuit, or be energy-storage battery and cell tube The DC power supply for managing circuit composition, can be selected as the case may be, be not particularly limited herein.
Technical solutions of the utility model are by using power module 110, switching circuit 120, the first controller 130 and fill Electricity output port form electronic equipment charging circuit 100, electronic equipment charging circuit 100 charging output port with it is to be charged When electronic equipment 200 connects, the first controller 130 receives the charge parameter of electronic equipment 200, and when parameter to be charged and in advance When the charge parameter matching set, control switch circuit 120 is opened, and the power supply signal that power module 110 exports, which is exported to electronics, to be set Standby 200 charge;When charge parameter and preset charge parameter mismatch, control switch circuit 120 is turned off, power module The power supply signal of 110 outputs is cut off, and power supply signal stops output to electronic equipment 200.To solve charging equipment as electricity The problem of mismatching because of circuit interface parameter when sub- equipment 200 charges, be easy to cause 200 electrical damage of electronic equipment.
As shown in Fig. 2, the functional module that Fig. 2 is 100 second embodiment of the utility model electronic equipment charging circuit is illustrated Figure, in the present embodiment, the switching circuit 120 include the first operating voltage VCC input terminal, first resistor R1, relay J1, Diode D1, bilateral diode D2 diode D1 and NMOS tube Q1;
The grid of the NMOS is connect with the first end of the bilateral diode D2 diode D1, and connecting node is described The controlled end of switching circuit 120, the second end of the bilateral diode D2 diode D1 and the source electrode of the NMOS tube Q1 connect The drain electrode on ground, the NMOS tube Q1 is connect with the first end of the first resistor R1, the second end of the first resistor R1, described The first end of the coil of the positive and described relay J1 of diode D1 interconnects, the cathode and the relay of the diode D1 The second end of the coil of J1 is connect with the first operating voltage VCC input terminal, the first end of the switch of the relay J1 For the power input of the switching circuit 120, the second end of the switch of the relay J1 is the electricity of the switching circuit 120 Source output terminal.
In the present embodiment, matched in the preset charged parameter of the first controller 130 with the charge parameter of electronic equipment 200 When, the grid of the corresponding output high level of the first controller 130 to NMOS tube Q1, the coil of NMOS pipe Q1 conducting, relay J1 leads to Electricity is simultaneously attracted switch, and relay J1 closure, the power supply signal that power module 110 exports is through relay J1 output electronic equipment 200, when the charge parameter and preset charged parameter of electronic equipment 200 mismatch, the first controller 130 exports low level extremely NMOS tube Q1, NMOS pipe Q1 shutdown plays small electricity by the way that relay J1 is arranged to play the purpose of protection electronic equipment 200 The effect of flow control high current, the first operating voltage VCC can be provided by power module 110, and power module 110 is through step-up/step-down circuit Matched first operating voltage VCC is exported, or is provided by independent power module 110, can specifically be set according to the actual situation Meter, diode D1 are used for pressure stabilizing, prevent relay J1 from misleading, and are provided with two-way two pole in the grid and source electrode of NMOS tube Q1 Pipe D2 diode D1, it is ensured that grid voltage is greater than source voltage and first when the first controller 130 exports high level Grid voltage is less than source voltage when controller 130 exports low level, and then guarantees the reliable turn-on and turn-off of NMOS tube Q1.
As shown in figure 3, the functional module that Fig. 3 is 100 3rd embodiment of the utility model electronic equipment charging circuit is illustrated Figure, in the present embodiment, the power module 110 include alternating current source AC, current rectifying and wave filtering circuit 111 and protective circuit of voltage regulation 112;
The power input of the current rectifying and wave filtering circuit 111 accesses alternating current via the alternating current source AC, described whole The power output end of stream filter circuit 111 is connect with the power input of the protective circuit of voltage regulation 112, the voltage-stabilizing protection electricity The power output end on road 112 is the power output end of the power module 110.
In the present embodiment, current rectifying and wave filtering circuit 111 receives AC power source through alternating current source AC, and carries out to AC power source Rectifying and wave-filtering exports DC power supply, and the DC power supply that protective circuit of voltage regulation 112 is used to export current rectifying and wave filtering circuit 111 carries out Pressure stabilizing avoids output voltage fluctuation from damaging electronic equipment 200, leads in switching circuit 120 in the control of the first controller 130 When logical, the DC power supply that protective circuit of voltage regulation 112 exports is exported to electronic equipment 200, is set to complete AC power source for electronics The purpose of standby 200 charging.
Current rectifying and wave filtering circuit 111 can be rectified by half-wave rectifying circuit, full-wave rectifying circuit or bridge rectifier etc. are one of Three-terminal voltage-stabilizing circuit, voltage stabilizing chip or other electricity can be used in module and capacitor filtering module composition, protective circuit of voltage regulation 112 Road can be selected according to the actual situation, here, being not particularly limited.
Further, the current rectifying and wave filtering circuit 111, the protective circuit of voltage regulation 112, the switching circuit 120 and institute The first controller 130 is stated to be integrated on pcb board.
When power module 110 includes alternating current source AC, current rectifying and wave filtering circuit 111 and protective circuit of voltage regulation 112, hand over Galvanic electricity source AC can receive AC power source, rectifying and wave-filtering electricity for bipod attaching plug, three-pin power plug or other power connections Road 111, protective circuit of voltage regulation 112, switching circuit 120 and the first controller 130 may be provided on same pcb board, avoid each electricity Pass by and cause poor contact in dispersion, alternating current source AC connected by connecting line with power port corresponding on pcb board or It is directly welded on PCB plate.
As shown in figure 4, the functional module that Fig. 4 is 100 second embodiment of the utility model electronic equipment charging circuit is illustrated Figure, in the present embodiment, the power module 110 include the first battery 113 and the first battery management circuit 114;
The power input of the power output end of first battery 113 and first battery management circuit 114 connects It connects, the power output end of first battery management circuit 114 is the power output end of the power module 110.
In the present embodiment, power module 110 is independent DC power supply, and the DC power supply that power module 110 exports is by the One battery 113 provides, and the DC power supply of the first battery 113 output is defeated after 114 pressure stabilizing of the first battery management circuit conversion It out to switching circuit 120, and exports when switching circuit 120 is connected to electronic equipment 200, lithium can be used in the first battery 113 Battery, polymer battery or other types battery, the first battery management circuit 114 can be used battery management chip or by The battery protecting circuit etc. of component composition, is not particularly limited herein.
Further, first battery management circuit 114, first controller 130 and the switching circuit 120 collect At on pcb board.
It, can be by the first cell tube when power module 110 includes the first battery 113 and the first battery management circuit 114 It manages circuit 114, switching circuit 120 and the first controller 130 to be arranged on same PCB plate, to improve power module 110 Stability, the first battery 113 are connect by modes such as sheet metal, connecting line or pads with the first battery management circuit 114, To which the DC power supply of the first battery 113 is led to the first battery management circuit 114.
The utility model also proposes a kind of charging equipment, which includes electronic equipment charging circuit as described above 100。
In the present embodiment, charging equipment can be formed in 100 periphery setting shell of electronic equipment charging circuit, set on the shell It is equipped with charging output port, charging output port is connect by connecting line or using direct insertion with electronic equipment 200, can also be Charging input end mouth is set on shell, and for receiving AC power source or DC power supply, charging equipment is connect with electronic equipment 200 The matching of Shi Jinhang charge parameter, in the matching of the two charge parameter, out-put supply signal to electronic equipment 200 is electronic equipment 200 Charging, when the two charge parameter mismatches, then not out-put supply signal, avoids power supply signal from causing to damage to electronic equipment 200 It is bad, and then protect electronic equipment 200.
Further, the charging equipment is mobile power source or power supply adaptor.
It is understood that charging equipment can be for convenience of portable mobile power source, when charging equipment is mobile power source When, charging equipment includes the first battery 113, the first battery management circuit 114, switching circuit 120 and the first controller 130, the first controller 130 is used to receive the charge parameter of electronic equipment 200 and is compared matching with preset charge parameter, Charging equipment charge parameter and control switching circuit 120 is connected when matching with preset charge parameter, and then control first The DC power supply that battery management circuit 114 exports is exported to electronic equipment 200, is filled in the charge parameter of charging equipment with preset Control switching circuit 120 is connected when electrical parameter mismatches, and then the DC power supply stopping for controlling the first battery management circuit 114 is defeated Out to electronic equipment 200.
Similarly, when charging equipment is the power supply adaptor with charging plug, the electronic equipment inside charging equipment fills The alternating current source AC of circuit 100 is charging plug, and charging plug is connect with the power outlet for exporting exchange, alternating current Source pass through 111 rectifying and wave-filtering of current rectifying and wave filtering circuit after output DC power supply to protective circuit of voltage regulation 112 carry out pressure stabilizing output, with It is for the charging of electronic equipment 200 that charging equipment is matched with 200 parameter of electronic equipment.
As shown in figure 5, the functional module that Fig. 5 is 200 charging system first embodiment of the utility model electronic equipment is illustrated Figure, the utility model also propose a kind of charging management system, which includes charging equipment and electricity as described above Sub- equipment 200;
The power output end of the charging equipment is connect with the power input of the electronic equipment 200, and the electronics is set Standby 200 include the second battery 210 and second controller 220, and the signal end of the second controller 220 and described second store The power input of battery 210 connects, and connecting node is the power input of the electronic equipment 200;
The second controller 220, for sending the charge parameter of the electronic equipment 200 to the of the charging equipment One controller 130, for first controller 130 based on the received charge parameter control the switching circuit 120 conducting or Person's shutdown;
Second battery 210, in the switching circuit 120 conducting, receiving the charging equipment output Power supply signal is to charge.
In the present embodiment, electronic equipment 200 includes second controller 220 and the second battery 210, charging equipment output Power supply signal export to the second battery 210 and charge, lithium battery, polymer battery etc. can be used in the second battery 210, The charge parameter of 220 memory electronic equipment 200 of second controller, second controller 220 connect in charging equipment and electronic equipment 200 The charge parameter of electronic equipment 200 is fed back into the first controller 130, the first filling electronic equipment 200 of controller 130 when connecing Electrical parameter is compared matching, and the corresponding conducting of control switch circuit 120 or shutdown with preset charged parameter, to control electricity The output of source signal, second controller 220 can be used the single-chip microcontroller that function is relatively fewer, performance is relatively weak, be also possible to function The processor etc. of ARM series that can be powerful.
As shown in fig. 6, the functional module that Fig. 6 is 200 charging system second embodiment of the utility model electronic equipment is illustrated Figure, in the present embodiment, also settable second battery management circuit 230, the second battery management circuit on electronic equipment 200 The power output end of 230 power input and charging equipment connects, the power output end of the second battery management circuit 230 and the The power input of two batteries 210 connects, and the second battery management circuit 230 can be used for charging to the second battery 210 Protection is that electronic equipment 200 prevents from overcharging when charging in charging equipment.And over-discharge is prevented in the electric discharge of the second battery 210, Battery management chip or overcurrent over-discharge protection circuit can be used in second battery management circuit 230, can carry out as the case may be Setting.
Further, second controller 220 and the second battery management circuit 230 can be integrated on same PCB plate, or It integrates on the same chip, and then reduces the volume and cost of charging equipment, improve the reliability of charging equipment.
In an alternative embodiment, the charged state for being used to indicate the charging equipment is additionally provided on the charging equipment The first indicator light (not shown go out), be additionally provided with the charging for being used to indicate the electronic equipment 200 on the electronic equipment 200 The second indicator light (not shown go out) of state.
In the present embodiment, prompt whether may be used by the way that the first indicator light is individually arranged on power supply adaptor or mobile power source With charging, the bright expression of green indicator light can charge, and red indicating light indicates not chargeable, so that user updates power adaptation Device updates mobile power source.
And the second indicator light is set on electronic equipment 200 to prompt the charged state of electronic equipment 200, for example, working as It indicates that electronic equipment 200 is in charged state when indicator light shiny red, indicates that electronic equipment 200 is in indicator light bright green Power supply saturation state, it is to be understood that the quantity and type of the first indicator light and the second indicator light can be according to practical feelings Condition is selected.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model, Under all utility models in the utility model are conceived, equivalent structure made based on the specification and figures of the utility model Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of electronic equipment charging circuit, which is characterized in that including power module, switching circuit, the first controller and charging Output port;
The power output end of the power module is connect with the power input of the switching circuit, the power supply of the switching circuit Output end, the signal end of first controller and the charging output port interconnection, the charging output port with it is to be charged The power input of electronic equipment connects;
The power module is configured as out-put supply signal;
The switching circuit is configured as controlling the power supply signal output of the power module when opening;When off, it cuts Break the power module power supply signal output;
First controller is configured as receiving the charge parameter that the electronic equipment of the charging output port connection is sent, And when the charge parameter is matched with preset charge parameter, controls the switching circuit and open;When the charge parameter with When preset charge parameter mismatches, the switching circuit shutdown is controlled.
2. electronic equipment charging circuit as described in claim 1, which is characterized in that the switching circuit includes the first work electricity Press input terminal, first resistor, relay, diode, bilateral diode and NMOS tube;
The grid of the NMOS is connect with the first end of the bilateral diode, and connecting node is the controlled of the switching circuit End, the source grounding of the second end of the bilateral diode and the NMOS tube, the drain electrode of the NMOS tube and described first The first end of resistance connects, the second end of the first resistor, the diode positive and described relay coil the One end interconnection, the second end of the coil of the cathode of the diode and the relay with the first operating voltage input terminal Connection, the first end of the switch of the relay are the power input of the switching circuit, the of the switch of the relay Two ends are the power output end of the switching circuit.
3. electronic equipment charging circuit as described in claim 1, which is characterized in that the power module includes AC power source End, current rectifying and wave filtering circuit and protective circuit of voltage regulation;
The power input of the current rectifying and wave filtering circuit is terminated via the AC power source into alternating current, the current rectifying and wave filtering circuit Power output end connect with the power input of the protective circuit of voltage regulation, the power output end of the protective circuit of voltage regulation is The power output end of the power module.
4. electronic equipment charging circuit as described in claim 1, which is characterized in that the power module includes the first battery And first battery management circuit;
The power output end of first battery is connect with the power input of first battery management circuit, and described first The power output end of battery management circuit is the power output end of the power module.
5. electronic equipment charging circuit as claimed in claim 3, which is characterized in that the current rectifying and wave filtering circuit, the pressure stabilizing Protection circuit, the switching circuit and first controller are integrated on pcb board.
6. electronic equipment charging circuit as claimed in claim 4, which is characterized in that first battery management circuit, described First controller and the switching circuit are integrated on pcb board.
7. a kind of charging equipment, which is characterized in that charge including the electronic equipment as described in claim 1 to 6 any one electric Road.
8. charging equipment as claimed in claim 7, which is characterized in that the charging equipment is mobile power source or power adaptation Device.
9. a kind of charging management system, which is characterized in that including charging equipment as claimed in claim 8 and electronic equipment;
The power output end of the charging equipment is connect with the power input of the electronic equipment, and the electronic equipment includes the Two batteries and second controller, the signal end of the second controller are connect with the power input of second battery, Its connecting node is the power input of the electronic equipment;
The second controller, for sending the charge parameter of the electronic equipment to the first controller of the charging equipment, So that charge parameter controls the switching circuit conducting or shutdown to first controller based on the received;
Second battery, in switching circuit conducting, receive the power supply signal of charging equipment output with It charges.
10. charging management system as claimed in claim 9, which is characterized in that be additionally provided on the charging equipment for referring to Show the first indicator light of the charged state of the charging equipment, is additionally provided on the electronic equipment and is used to indicate the electronics and sets Second indicator light of standby charged state.
CN201821653734.XU 2018-10-11 2018-10-11 Electronic equipment charging circuit, charging equipment and charging management system Active CN208797633U (en)

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Application Number Priority Date Filing Date Title
CN201821653734.XU CN208797633U (en) 2018-10-11 2018-10-11 Electronic equipment charging circuit, charging equipment and charging management system

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Application Number Priority Date Filing Date Title
CN201821653734.XU CN208797633U (en) 2018-10-11 2018-10-11 Electronic equipment charging circuit, charging equipment and charging management system

Publications (1)

Publication Number Publication Date
CN208797633U true CN208797633U (en) 2019-04-26

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Application Number Title Priority Date Filing Date
CN201821653734.XU Active CN208797633U (en) 2018-10-11 2018-10-11 Electronic equipment charging circuit, charging equipment and charging management system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021083119A1 (en) * 2019-10-31 2021-05-06 维沃移动通信有限公司 Charging control circuit, charging communication circuit, electronic device, and charging control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021083119A1 (en) * 2019-10-31 2021-05-06 维沃移动通信有限公司 Charging control circuit, charging communication circuit, electronic device, and charging control method

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