CN206180647U - Many mouthfuls of control circuit that charge and controlgear - Google Patents

Many mouthfuls of control circuit that charge and controlgear Download PDF

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Publication number
CN206180647U
CN206180647U CN201621262934.3U CN201621262934U CN206180647U CN 206180647 U CN206180647 U CN 206180647U CN 201621262934 U CN201621262934 U CN 201621262934U CN 206180647 U CN206180647 U CN 206180647U
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module
output
power
charge
input
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CN201621262934.3U
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米更林
张连民
杨恩见
王林炜
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Chang Cheng Technology (beijing) Co Ltd
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Chang Cheng Technology (beijing) Co Ltd
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Abstract

The utility model belongs to the technical field of the charging control, the utility model provides a many mouthfuls of control circuit that charge and controlgear, this control circuit built -in power supply module, this control circuit still includes host system and a plurality of charge control module, the back is handled through host system to the voltage of power module output, charge to a plurality of mobile terminal through a plurality of charge control module respectively, when one or more mobile terminal is full of the electric quantity, the charge control module outage that host system control corresponds, in order to stop to charge to mobile terminal. From this through this control circuit and controlgear, realized can be simultaneously carrying out the effect of charging to a plurality of mobile terminal to the mobile terminal that the automatic phasing was answered when one or more mobile terminal is full of the electric quantity stops to charge, has avoided mobile terminal still to be in undercurrent floating charge state after being full of the electric quantity always, has prolonged mobile terminal's battery life.

Description

Many mouthfuls of the control circuits and control device of charging
Technical field
The utility model belongs to charge control technical field, and the control circuit of more particularly to a kind of many mouthfuls of chargings and control set It is standby.
Background technology
At present, for mobile terminal, such as mobile phone, most of its charger all only one of which charging port, i.e., one Individual charger can only charge to a mobile terminal, and cannot be automatically powered off when mobile terminal is at full charge, easily Battery in mobile terminal is caused to damage.
Therefore, existing charge control technology is existed cannot charge to multiple mobile terminals simultaneously, and when shifting The problem that dynamic terminal cannot be automatically powered off when at full charge.
Utility model content
The utility model purpose is to provide a kind of the control circuit and control device of many mouthfuls of chargings, it is intended to solved existing Charge control technology is existed cannot charge to multiple mobile terminals simultaneously, and cannot when mobile terminal is at full charge The problem for automatically powering off.
The utility model provides a kind of many mouthfuls control circuits of charging, and the control circuit built-in power module is described Control circuit also includes:
Main control module and multiple charge control modules;
Multiple output ends of the main control module correspond phase with the receiving terminal of multiple charge control modules respectively Connection, the output end of multiple charge control modules corresponds connect multiple mobile terminals respectively;
The voltage of power module output by after main control module treatment, respectively by multiple charge controls Module charges to multiple mobile terminals, when one or more described mobile terminals are at full charge, the master control mould The corresponding charge control module power-off of block control, charging is stopped with to the mobile terminal.
The utility model additionally provides a kind of control device of many mouthfuls of chargings, and it includes above-mentioned control circuit.
The utility model provides a kind of many mouthfuls the control circuits and control device of charging, the control circuit built-in power mould Block, the control circuit also includes main control module and multiple charge control modules, and the voltage of power module output is by main control module After treatment, multiple mobile terminals are charged by multiple charge control modules respectively, when one or more mobile terminals fill During Full Charge Capacity, the corresponding charge control module power-off of master control module controls, so as to stop charging to mobile terminal.From there through this Control circuit and control device, realize the effect that can be charged to multiple mobile terminals simultaneously, and when one or more Automatic phasing is answered when mobile terminal is at full charge mobile terminal stops charging, it is to avoid mobile terminal is after at full charge also one Low current floating charge state is directly in, the battery life of mobile terminal is extended, existing charge control technology is solved and is existed Multiple mobile terminals cannot be charged simultaneously, and the problem that cannot be automatically powered off when mobile terminal is at full charge.
Brief description of the drawings
The structural representation of the control circuit of a kind of many mouthfuls of chargings that Fig. 1 is provided for the utility model embodiment.
The concrete structure schematic diagram of the control circuit of a kind of many mouthfuls of chargings that Fig. 2 is provided for the utility model embodiment.
The exemplary circuit structure chart of the control circuit of a kind of many mouthfuls of chargings that Fig. 3 is provided for the utility model embodiment.
Specific embodiment
In order that the technical problems to be solved in the utility model, technical scheme and beneficial effect become more apparent, below With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein Example is only used to explain the utility model, is not used to limit the utility model.
In the utility model embodiment, a kind of the control circuit and control device of many mouthfuls of chargings, by multiport power supply Output can reduce the quantity that user uses charger, facilitate user disposable (including smart mobile phone, flat to multiple mobile devices Plate computer etc.) charged, and broken by the corresponding charge control module of master control module controls after mobile device is at full charge Electricity, so as to stop charging to mobile terminal, can so avoid the battery of mobile terminal from being constantly in low current floating charge state, from And extend the battery life of mobile terminal.
Fig. 1 shows the structure of the control circuit of a kind of many mouthfuls of chargings that the utility model embodiment is provided, for the ease of Illustrate, illustrate only the part related to the utility model embodiment, details are as follows:
More than this kind mouthfuls of control circuit of charging, control circuit built-in power module 101, the control circuit also includes:
Main control module 102 and multiple charge control modules 103;
Multiple output ends of main control module 102 correspond with the receiving terminal of multiple charge control modules 103 be connected respectively Connect, the output end of multiple charge control modules 103 corresponds connect multiple mobile terminals respectively;
Power module 101 output voltage by main control module 102 treatment after, respectively by multiple charge control modules 103 pairs of multiple mobile terminals charge, when one or more mobile terminals are at full charge, the control correspondence of main control module 102 The charge control module power-off so as to mobile terminal stop charge.
Fig. 2 shows the concrete structure of the control circuit of a kind of many mouthfuls of chargings that the utility model embodiment is provided, in order to It is easy to explanation, illustrate only the part related to the utility model embodiment, details are as follows:
Used as the embodiment of the utility model one, each described charge control module includes:Power-off unit, detection unit with And recognition unit.
Illustrated with the first charge control module 1031:First charge control module 1031 includes the first power-off unit 1061st, the first detection unit 1071 and the first recognition unit 1081;
The input of the first power-off unit 1061 is the receiving terminal of the first charge control module 1031, the first power-off unit 1061 output end is connected with the input of the first detection unit 1071 and the input of the first recognition unit 1081, and first The output end of detection unit 1071 is the first charge control module with the public connecting end of the output end of the first recognition unit 1081 1031 output end;
First recognition unit 1081 recognizes the device type of the first mobile terminal, and by the first detection unit 1071 pairs The electricity of the first mobile terminal is detected, when the first mobile terminal charges overvoltage or excessively stream occurs, the first power-off unit 1061 pairs of the first charge control modules 1031 carry out power-off control.
Used as the embodiment of the utility model one, control circuit also includes:Rectification module 104 and voltage reduction module 105;
The output end of the input termination power module 101 of rectification module 104, the output termination step-down mould of rectification module 104 The input of block 105, the input of the output termination main control module 102 of voltage reduction module 105;
The voltage of the output of power module 101 sequentially passes through rectification module 104 and carries out rectification, voltage reduction module 105 and is depressured Optimization voltage is exported afterwards to main control module 102.
Fig. 3 shows the exemplary circuit structure of the control circuit of a kind of many mouthfuls of chargings that the utility model embodiment is provided, For convenience of description, the part related to the utility model embodiment is illustrate only, details are as follows:
Used as the embodiment of the utility model one, main control module 102 includes microprocessor U2, the receiving terminal of microprocessor U2 REC is the input of main control module 102, and multiple serial ports end I/O of microprocessor U3 are respectively described in the multiple of main control module 102 Output end.In the present embodiment, microprocessor U2 employs the process chip of model STM8S207, certainly, the type of process chip Number do not limit, as long as can reach also may be used with the function described in the present embodiment microprocessor U2.Wherein, main control module 102 It is responsible for processing optimization voltage, and the power on/off control to multiple charge control modules 103.
Used as the embodiment of the utility model one, power module 101 includes AC power VCC, the output end of AC power VCC It is the output end of power module 101, the reference voltage range of AC power VCC is 9V~19V.
Used as the embodiment of the utility model one, each described power-off unit includes power-off protection chip, with the first power-off Unit 1061 is illustrated:First power-off unit 1061 includes the first power-off protection chip U41, the first power-off protection chip U41 Receiving terminal CTRL and protection end POWER be respectively the input and output end of the first power-off unit 1061.In the present embodiment, First power-off protection chip U41 employs the power-off protection chip of model TD9517, and certainly, the model of power-off protection chip is not done Limit, as long as can reach also may be used with the function described in the present embodiment the first power-off protection chip U41.Wherein, described in each Power-off unit, with the use of TVS pipe and the fuse of 1.5A, may be implemented in the overvoltage protection and mistake in charging process on circuit Stream protection, it is to avoid cause to damage to mobile terminal.
Used as the embodiment of the utility model one, each described detection unit includes detection chip, with the first detection unit 1071 illustrate:First detection unit 1071 includes the first detection chip U51, the Enable Pin STEP of the first detection chip U51 With the input and output end that test side TEST is respectively the first detection unit 1071.In the present embodiment, the first detection chip U51 employs the detection chip of model LM358, and certainly, the model of detection chip is not limited, as long as can reach and the present embodiment Function described in first detection chip U51 also may be used.Wherein, each described detection unit is believed by voltage signal and electric current Number it is amplified, so as to detect the charged state for obtaining mobile terminal.
Used as the embodiment of the utility model one, each described recognition unit includes identification chip, with the first recognition unit 1081 illustrate:First recognition unit 1081 include the first identification chip U61, the input TAK of the first identification chip U61 and Identification end DIS is respectively the input and output end of the first recognition unit 1081.In the present embodiment, the first identification chip U61 The identification chip of model RH7902 is employed, certainly, the model of identification chip is not limited, as long as can reach and the present embodiment Function described in one identification chip U61 also may be used.Wherein, the equipment of each recognition unit meeting automatic identification mobile terminal Type, and shaken hands by corresponding charge protocol and mobile terminal, so that mobile terminal obtains maximum charging current, moved in protection The charging interval is saved on the premise of dynamic terminal.
Used as the embodiment of the utility model one, rectification module 104 includes rectification chip U1, the input IN of rectification chip U1 With the input and output end that output end OUT is respectively rectification module 104.In the present embodiment, rectification chip U1 employs type The rectification chip of number IR1167, certainly, the model of rectification chip is not limited, as long as can reach and the present embodiment rectification chip U1 Described function also may be used.
Used as the embodiment of the utility model one, voltage reduction module 105 includes step-down chip U2, the input of step-down chip U2 INPUT and output end OUTPUT are respectively the input and output end of voltage reduction module 105.In the present embodiment, step-down chip U2 The step-down chip of model LM2596 is employed, certainly, the model for being depressured chip is not limited, as long as can reach being dropped with the present embodiment Function described in pressure chip U2 also may be used.Wherein, voltage reduction module 105 is depressured to the voltage that power module 101 is exported, and turns It is changed to the direct voltage output of 5V.
The operation principle of a kind of many mouthfuls control circuits for charging and control device is illustrated below in conjunction with Fig. 1 to Fig. 3:
First, power-on module, is converted to direct current, and lead to by rectification module to the alternating current that power module is exported Cross voltage reduction module to be depressured magnitude of voltage, export the DC voltage of 5V to main control module, then master control module controls multiple is filled The energization of electric control module and power-off, each charge control module include power-off protection unit, detection unit and recognition unit, Power-off protection unit is electrically charged the charging safety of mobile terminal, detection unit monitoring with overvoltage protection and overcurrent protection protection The charged state of each charging port, monitoring content includes charging voltage and charging current.Main control module passes through charge control mould Whether charging current change of the detection unit of block to charging port judges to charge completes, and battery can be less than full of rear charging current 150mA.Therefore, when charging current is detected less than 150mA, you can judge charging complete, main control module can control corresponding Charge control module is powered off, so as to be stopped power supply to corresponding mobile terminal.
Wherein, main control module is charged in the form of process chip to mobile terminal (mobile phone) and the control flow of power-off is: During original state, multiple serial ports ends of process chip all export the voltage of 5V, when mobile phone inserts USB port by data wire, Then proceed by and communicate and enter rapid charge pattern, while process chip starts constantly to detect the charging current of the port, when When detecting charging current less than 150mA, judge that mobile phone already belongs to state at full charge, at this moment process chip controls the end Mouth power-off.After power-off, process chip continues to monitor the voltage status of the port, if monitoring that the voltage of the port is uprised and greatly When 4.5V, then infer that mobile phone is pulled out by user, now control the USB port to export the voltage of 5V by process chip again Next mobile phone is prepared as to be charged.
In sum, the utility model embodiment provides a kind of many mouthfuls the control circuits and control device of charging, the control Circuit built-in power module processed, the control circuit also includes main control module and multiple charge control modules, power module output Voltage to multiple mobile terminals by multiple charge control modules by after main control module treatment, being charged, when one respectively Or multiple mobile terminal it is at full charge when, the corresponding charge control module power-off of master control module controls stops with to mobile terminal Charge.From there through the control circuit and control device, the effect that can be charged to multiple mobile terminals simultaneously is realized, and And automatic phasing is answered when one or more mobile terminals are at full charge mobile terminal stops charging, it is to avoid mobile terminal exists Low current floating charge state is also constantly in after at full charge, the battery life of mobile terminal is extended, existing charging is solved Control technology is existed cannot charge to multiple mobile terminals simultaneously, and cannot be automatic when mobile terminal is at full charge The problem of power-off.Meanwhile, the utility model is entered by the power-off unit in charge control module to the charging process of mobile terminal Row overvoltage protection and overcurrent protection, it is to avoid cause to damage to mobile terminal.The utility model embodiment is realized simple, it is not necessary to Increase extra hardware, can effective reduces cost, with stronger usability and practicality.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model Protection domain within.

Claims (10)

1. it is a kind of many mouthfuls charging control circuit, the control circuit built-in power module, it is characterised in that the control circuit Also include:
Main control module and multiple charge control modules;
Multiple output ends of the main control module correspond with the receiving terminal of multiple charge control modules be connected respectively, The output end of multiple charge control modules corresponds connect multiple mobile terminals respectively;
The voltage of power module output by after main control module treatment, respectively by multiple charge control modules Multiple mobile terminals are charged, when one or more described mobile terminals are at full charge, the main control module control The corresponding charge control module power-off is made, charging is stopped with to the mobile terminal.
2. it is as claimed in claim 1 to control circuit, it is characterised in that each described charge control module includes:
Power-off unit, detection unit and recognition unit;
The input of the power-off unit is the receiving terminal of the charge control module, the output end of the power-off unit with it is described The input of the input of detection unit and the recognition unit is connected, the output end of the detection unit and the identification The public connecting end of the output end of unit is the output end of the charge control module;
The recognition unit recognizes the device type of the corresponding mobile terminal, and by the detection unit to the shifting The electricity of dynamic terminal is detected that, when the mobile terminal charges overvoltage or excessively stream occurs, the power-off unit fills to described Electric control module carries out power-off control.
3. it is as claimed in claim 1 to control circuit, it is characterised in that the control circuit also includes:
Rectification module and voltage reduction module;
The output end of the input termination power module of the rectification module, the output of the rectification module terminates the step-down The input of module, the input of the output termination main control module of the voltage reduction module;
The voltage of power module output sequentially passes through the rectification module and carries out after rectification, the voltage reduction module be depressured Optimization voltage is exported to the main control module.
It is 4. as claimed in claim 1 to control circuit, it is characterised in that the main control module includes microprocessor,
The receiving terminal of the microprocessor is the input of the main control module, and multiple serial ports ends of the microprocessor are respectively The multiple described output end of the main control module.
5. it is as claimed in claim 2 to control circuit, it is characterised in that each described power-off unit includes power-off protection core Piece,
The receiving terminal and protection end of the power-off protection chip are respectively the input and output end of the power-off unit.
It is 6. as claimed in claim 2 to control circuit, it is characterised in that each described detection unit includes detection chip,
The Enable Pin of the detection chip and test side are respectively the input and output end of the detection unit.
It is 7. as claimed in claim 2 to control circuit, it is characterised in that each described recognition unit includes identification chip,
The input of the identification chip and identification end are respectively the input and output end of the recognition unit.
It is 8. as claimed in claim 3 to control circuit, it is characterised in that the rectification module includes rectification chip,
The input and output end of the rectification chip are respectively the input and output end of the rectification module.
It is 9. as claimed in claim 3 to control circuit, it is characterised in that the voltage reduction module includes step-down chip,
The input and output end of the step-down chip are respectively the input and output end of the voltage reduction module.
10. a kind of control device of many mouthfuls of chargings, it is characterised in that the control device is included such as claim any one of 1-9 Described control circuit.
CN201621262934.3U 2016-11-21 2016-11-21 Many mouthfuls of control circuit that charge and controlgear Active CN206180647U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621262934.3U CN206180647U (en) 2016-11-21 2016-11-21 Many mouthfuls of control circuit that charge and controlgear

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Application Number Priority Date Filing Date Title
CN201621262934.3U CN206180647U (en) 2016-11-21 2016-11-21 Many mouthfuls of control circuit that charge and controlgear

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107733038A (en) * 2017-11-10 2018-02-23 河北海捷现代教学设备有限公司 Teaching concentration charging synchronizer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107733038A (en) * 2017-11-10 2018-02-23 河北海捷现代教学设备有限公司 Teaching concentration charging synchronizer

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