CN205583749U - Intelligence goes up and down to press charging and discharging circuit - Google Patents
Intelligence goes up and down to press charging and discharging circuit Download PDFInfo
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- CN205583749U CN205583749U CN201620285651.4U CN201620285651U CN205583749U CN 205583749 U CN205583749 U CN 205583749U CN 201620285651 U CN201620285651 U CN 201620285651U CN 205583749 U CN205583749 U CN 205583749U
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Abstract
The utility model provides an intelligence goes up and down to press charging and discharging circuit, including battery module, power inductance, control of charge and discharge port, free inputoutput port and the control unit, free inputoutput port is equipped with current detection circuit, be connected with a voltage detection circuit between control of charge and discharge port and the free inputoutput port, be connected with the 2nd voltage detection circuit between the positive pole of battery module and the negative pole, the control unit controls switching on of first switch, second switch, third switch and fourth switch and breaks off and realize stepping up or stepping down the charge -discharge according to the information of a voltage detection circuit, the 2nd voltage detection circuit and current detection circuit transmission. The utility model has the advantages of this circuit can be realized the boosting charge, step down and charges, to step up and discharge, step down and discharge and function such as bypass, makes the portable power that utilizes this circuit also can make things convenient for people to use for the mobile terminal quick charge of various differences for self quick charge.
Description
Technical field
This utility model relates to control circuit field, particularly to a kind of Intelligent boost-buck charge-discharge circuit.
Background technology
Along with scientific and technological and social progress, portable notebook computer, panel computer, smart mobile phone etc.
Increasing mobile terminal spreads to the life of people.But the volume of mobile terminal is limited makes it
The limited battery capacity carried, for mobile phone, cannot fill in going on business or travelling
In the case of electricity, the work of people and life can be brought inconvenience, thus compact power is operated
And give birth to.Conventional portable power supply input and output voltage is 5V, and charge-discharge electric power is smaller, charging speed
Degree is slow, and discharge voltage is fixed from changing by needed for equipment.Once meet and need relatively high power to power
Equipment, such as notebook, panel computer etc., conventional portable power supply then cannot charge for it.
Utility model content
This utility model is for the disappearance of prior art existence, it is provided that a kind of Intelligent boost-buck discharge and recharge electricity
Road, it can realize the functions such as boost charge, blood pressure lowering charging, step-up discharge, step-down discharge and Bypass,
The compact power of this circuit of use also can be able to be various different movement for self quick charge
Terminal quick charge, is convenient for people to use.
For achieving the above object, this utility model uses such as purgation technical scheme:
A kind of Intelligent boost-buck charge-discharge circuit, including battery modules, power inductance, charge and discharge control
Port, Freely input output port and control unit, described charge and discharge control port and Freely input are defeated
Go out port to be connected with one end of power inductance by the first switch and second switch respectively；Described power electricity
The other end of sense is connected with the positive pole of battery modules by the 3rd switch respectively, by the 4th switch and electricity
The negative pole of pond module connects；Described Freely input output port is provided with current detection circuit；Described charge and discharge
It is connected between electrical control port with Freely input output port and has the first voltage detecting circuit, described battery
It is connected between the positive pole of module and negative pole and has the second voltage detecting circuit；Described control unit is according to the first electricity
Pressure testing circuit, the second voltage detecting circuit and current detection circuit transmission information control first switch,
The conducting of second switch, the 3rd switch and the 4th switch realizes boosting or blood pressure lowering discharge and recharge with disconnecting.
As a kind of preferred version, set between described charge and discharge control port and Freely input output port
There is the first filter capacitor, between positive pole and the negative pole of described battery modules, be provided with the second filter capacitor.
As a kind of preferred version, described charge and discharge control port include input port, output port and
Input and output switching switch, described input port, output port and the first switch are cut by input and output
Change on-off control to be connected with each other.
As a kind of preferred version, described current detection circuit includes the first detection resistance, described first
Detection resistance one end is connected with Freely input output port, and the other end is connected with the negative pole of battery modules.
As a kind of preferred version, described first voltage detecting circuit includes the second detection resistance and the 3rd
Detection resistance, described second detection resistance one end is connected with charge and discharge control port, the other end and the 3rd
Detection resistant series connects, and the described 3rd detection resistance other end is connected with the negative pole of battery modules.
As a kind of preferred version, described second voltage detecting circuit includes the 4th detection resistance and the 5th
Detection resistance, described 4th detection resistance one end is connected with the positive pole of battery modules, the other end and the 5th
Detection resistant series connects, and the other end of described 5th detection resistance is connected with the negative pole of battery modules.
The charging method of aforesaid Intelligent boost-buck charge-discharge circuit:
During charging, control unit is obtained by the first voltage detecting circuit and the second voltage detecting circuit respectively
Obtain input voltage and cell voltage, and both are compared, when input voltage is less than cell voltage
Carry out boost charge, carry out blood pressure lowering charging when input voltage is higher than cell voltage；
During boost charge, control unit controls the first switch respectively and is held on, and second switch keeps disconnected
Open, the 3rd switch and the 4th switch alternate conduction, the voltage letter simultaneously provided according to current detection circuit
The dutycycle of breath control the 3rd switch and the 4th switch alternate conduction controls the size of input current；
During blood pressure lowering charging, control unit controls the 3rd switch respectively and is held on, and the 4th switch keeps disconnected
Open, the first switch and second switch alternate conduction, the voltage letter simultaneously provided according to current detection circuit
The dutycycle of breath control the first switch and second switch alternate conduction controls the size of input current.
The charging method of aforesaid Intelligent boost-buck charge-discharge circuit:
During electric discharge, control unit is obtained by the first voltage detecting circuit and the second voltage detecting circuit respectively
Obtain output voltage and cell voltage, and both are compared, when output voltage is less than cell voltage
Carry out step-up discharge, carry out step-down discharge when output voltage is higher than cell voltage；
During step-up discharge, control unit controls the 3rd switch respectively and is held on, and the 4th switch keeps disconnected
Open, the first switch and second switch alternate conduction, simultaneously control the according to output voltage feedack
The dutycycle of one switch and second switch alternate conduction regulates the size of output voltage；
During step-down discharge, control unit controls the first switch respectively and is held on, and second switch keeps disconnected
Open, the 3rd switch and the 4th switch alternate conduction, simultaneously control the according to output voltage feedack
The dutycycle of three switches and the 4th switch alternate conduction regulates the size of output voltage.
This utility model is because the left end of this circuit is possible not only to make input and can also export, so leading to
Left end can be used as input and output after crossing control input and output switching switch, this circuit
Also there is the ability providing electric energy while charging the battery to exterior terminal bypass.When input is defeated
Go out to switch switch to switch to switch off with first, when input port is connected with output port, input
The direct Bypass of electric energy is to output port.Mouth connects, and when being connected with the first switch, the electric energy of input
Can also charge the battery while Bypass is to output port.
This utility model compared with prior art, has the following advantages and advantage, specifically, passes through
Battery modules, power inductance, charge and discharge control port, Freely input output port, control unit,
First switch, second switch, the 3rd switch, the 4th switch, current detection circuit, the first voltage inspection
Slowdown monitoring circuit and the second voltage detecting circuit form an Intelligent boost-buck charge-discharge circuit, use this electricity
The compact power on road, when charging, is possible not only to charge the battery with the power supply less than cell voltage,
Can also charge the battery with the power supply higher than cell voltage, when electric discharge, be possible not only to higher than electricity
The external equipment of cell voltage provides electric energy, it is also possible to gives and provides electric energy less than the external equipment of cell voltage,
Bidirectional voltage boosting or blood pressure lowering conversion can also be realized simultaneously, the occasion of multiple voltage level requirements can be met；
Its high-power fan-out capability simultaneously, can not only meet the low power consuming terminal units such as traditional mobile phone, iPad,
The equipment of the bigger power consumption such as MacBook, notebook can also be met；Additionally its Width funtion electric current input and
The feature of output area can meet the requirement of different application occasion and fast charging and discharging, adapts to fast pace
Society, be convenient for people to use.
By more clearly illustrate architectural feature of the present utility model, technological means and reached concrete
Purpose and function, come with specific embodiment to make this utility model the most below in conjunction with the accompanying drawings
Bright:
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the embodiment of this utility model.
Accompanying drawing identifier declaration:
1-battery modules, 2-charge and discharge control port, 21-input port, 22-output port, 3-is certainly
By input/output port, 4-control unit, 5-current detection circuit, 6-the first voltage detecting circuit,
7-the second voltage detecting circuit, L1-power inductance, K1-first switchs, K2-second switch, K3-
Three switches, K4-the 4th switchs, and K5-input and output switching switch, R1-first detects resistance, and R2-second examines
Measuring resistance, R3-the 3rd detects resistance, and R4-the 4th detects resistance, and R5-the 5th detects resistance, C1-
One filter capacitor, C2-the second filter capacitor.
Detailed description of the invention
As it is shown in figure 1, a kind of Intelligent boost-buck charge-discharge circuit, including battery modules 1, power inductance
L1, charge and discharge control port 2, Freely input output port 3 and control unit 4, described charge and discharge control
Port 2 and Freely input output port 3 are respectively by the first switch K1 and second switch K2 and power inductance
One end of L1 connects；The other end of described power inductance L1 is respectively by the 3rd switch K3 and battery modules 1
Positive pole connect, by the 4th switch K4 be connected with the negative pole of battery modules 1；Described Freely input exports
Port 3 is provided with current detection circuit 5；Described charge and discharge control port 2 and Freely input output port 3 it
Between connect and have the first voltage detecting circuit 6, be connected between positive pole and the negative pole of described battery modules 1 and have the
Two voltage detecting circuits 7；Described control unit 4 is according to first voltage detecting circuit the 6, second voltage detecting electricity
The information of road 7 and current detection circuit 5 transmission controls the first switch K1, second switch K2, the 3rd switch
The conducting of K3 and the 4th switch K4 realizes boosting or blood pressure lowering discharge and recharge with disconnecting.
It is provided with the first filter capacitor between described charge and discharge control port 2 and Freely input output port 3
C1, is provided with the second filter capacitor C2 between positive pole and the negative pole of described battery modules 1.
Described charge and discharge control port 2 includes that input port 21, output port 22 and input and output switching are opened
Closing K5, described input port 21, output port 22 and the first switch K1 are by input and output switching switch
K5 is connected with each other.
Described current detection circuit 5 includes the first detection resistance R1, described first detection resistance R1 one end with
Freely input output port 3 connects, and the other end is connected with the negative pole of battery modules 1.
Described first voltage detecting circuit 6 includes the second detection resistance R2 and the 3rd detection resistance R3, described
Second detection resistance R2 one end is connected with charge and discharge control port 2, the other end and the 3rd detection resistance R3 string
Connection connects, and the described 3rd detection resistance R3 other end is connected with the negative pole of battery modules 1.
Described second voltage detecting circuit 7 includes the 4th detection resistance R4 and the 5th detection resistance R5, described
4th detection resistance R4 one end is connected with the positive pole of battery modules 1, the other end and the 5th detection resistance R5 string
Connection connects, and the other end of described 5th detection resistance R5 is connected with the negative pole of battery modules 1.
Input and output switching switch K5, when charging, is first switched to input port 21 by this utility model
Being connected with the first switch K1, output port 22 disconnects with input port 21 and the first switch K1, this time control
Unit 4 processed obtains input voltage by the first voltage detecting circuit 6 and the second voltage detecting circuit 7 respectively
And cell voltage, and both are compared, carry out boosting when input voltage is less than cell voltage and fill
Electricity, carries out blood pressure lowering charging when input voltage is higher than cell voltage:
When carrying out boost charge, control unit 4 controls the first switch K1 respectively and is held on, second switch
K2 remains open, and the 3rd switch K3 and the 4th switch K4 alternate conduction, simultaneously according to current detection circuit 5
The information of voltage provided controls the dutycycle of the 3rd switch K3 and the 4th switch K4 alternate conduction and controls defeated
Enter the size of electric current；
When carrying out blood pressure lowering charging, control unit 4 controls the 3rd switch K3 respectively and is held on, the 4th switch
K4 remains open, and the first switch K1 and second switch K2 alternate conduction, simultaneously according to current detection circuit 5
The information of voltage provided controls the dutycycle of the first switch K1 and second switch K2 alternate conduction and controls defeated
Enter the size of electric current.
During this utility model electric discharge, first input and output switching switch K5 is switched to output port 22 with
First switch K1 connects, and input port 21 disconnects with output port 22 and the first switch K1, now controls
Unit 4 respectively by the first voltage detecting circuit 6 and the second voltage detecting circuit 7 obtain output voltage and
Cell voltage, and both are compared, carry out step-up discharge when output voltage is less than cell voltage,
Step-down discharge is carried out when output voltage is higher than cell voltage:
When carrying out step-up discharge, control unit 4 controls the 3rd switch K3 respectively and is held on, the 4th switch
K4 remains open, the first switch K1 and second switch K2 alternate conduction, feeds back according to output voltage simultaneously
Information control the first switch K1 and the dutycycle of second switch K2 alternate conduction regulates output voltage
Size；
When carrying out step-down discharge, control unit 4 controls the first switch K1 respectively and is held on, second switch
K2 remains open, the 3rd switch K3 and the 4th switch K4 alternate conduction, feeds back according to output voltage simultaneously
Information control the 3rd switch K3 and the 4th switch K4 alternate conduction dutycycle regulate output voltage
Size.
This utility model is because the left end of this circuit is possible not only to make input and can also export, so leading to
Can be used as input and output by left end after crossing control input/output switching K5, this circuit is also
There is the ability providing electric energy while charging the battery to exterior terminal bypass.Work as input and output
Switching switch K5 switches to disconnect with the first switch K1, when input port 21 connects with output port 22,
The direct Bypass of electric energy of input is to output port 22.When input and output switching switch K5 switches to input
Port 21 is connected with output port 22, and when being connected with the first switch K1, the electric energy of input is at Bypass
Can also charge the battery to while output port 22.
The above, be only preferred embodiment of the present utility model, not in order to limit this practicality
Novel, thus every according to technology of the present utility model reality above example is made any amendment,
Equivalent, improvement etc., all still fall within the range of technical solutions of the utility model.
Claims (6)
1. an Intelligent boost-buck charge-discharge circuit, automatically controlled including battery modules, power inductance, charge and discharge
Port processed, Freely input output port and control unit, it is characterised in that: described charge and discharge control end
Mouth and Freely input output port are respectively by one end of the first switch and second switch and power inductance even
Connect；The other end of described power inductance is connected with the positive pole of battery modules by the 3rd switch respectively, logical
Cross the 4th switch to be connected with the negative pole of battery modules；Described Freely input output port is provided with current detecting
Circuit；It is connected between described charge and discharge control port and Freely input output port and has the first voltage detecting
Circuit, is connected between the positive pole of described battery modules and negative pole and has the second voltage detecting circuit；Described control
Unit processed is according to the first voltage detecting circuit, the second voltage detecting circuit and the letter of current detection circuit transmission
Breath controls the conducting of the first switch, second switch, the 3rd switch and the 4th switch and realizes boosting with disconnecting
Or blood pressure lowering discharge and recharge.
Intelligent boost-buck charge-discharge circuit the most according to claim 1, it is characterised in that: described
The first filter capacitor, described battery mould it is provided with between charge and discharge control port and Freely input output port
It is provided with the second filter capacitor between positive pole and the negative pole of group.
Intelligent boost-buck charge-discharge circuit the most according to claim 1, it is characterised in that: described
Charge and discharge control port includes input port, output port and input and output switching switch, described input
Port, output port and the first switch are connected with each other by input and output switching on-off control.
Intelligent boost-buck charge-discharge circuit the most according to claim 1, it is characterised in that: described
Current detection circuit includes that the first detection resistance, described first detection resistance one end export with Freely input
Port connects, and the other end is connected with the negative pole of battery modules.
Intelligent boost-buck charge-discharge circuit the most according to claim 1, it is characterised in that: described
First voltage detecting circuit includes the second detection resistance and the 3rd detection resistance, described second detection resistance
One end is connected with charge and discharge control port, and the other end and the 3rd detection resistant series connect, and the described 3rd
The detection resistance other end is connected with the negative pole of battery modules.
Intelligent boost-buck charge-discharge circuit the most according to claim 1, it is characterised in that: described
Second voltage detecting circuit includes the 4th detection resistance and the 5th detection resistance, described 4th detection resistance
One end is connected with the positive pole of battery modules, and the other end and the 5th detection resistant series connect, and the described 5th
The other end of detection resistance is connected with the negative pole of battery modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620285651.4U CN205583749U (en) | 2016-04-07 | 2016-04-07 | Intelligence goes up and down to press charging and discharging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620285651.4U CN205583749U (en) | 2016-04-07 | 2016-04-07 | Intelligence goes up and down to press charging and discharging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205583749U true CN205583749U (en) | 2016-09-14 |
Family
ID=56865120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620285651.4U Active CN205583749U (en) | 2016-04-07 | 2016-04-07 | Intelligence goes up and down to press charging and discharging circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN205583749U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896646A (en) * | 2016-04-07 | 2016-08-24 | 东莞市太业电子股份有限公司 | Intelligent buck-boost charging/discharging circuit and charging/discharging method thereof |
| WO2018068710A1 (en) * | 2016-10-12 | 2018-04-19 | 常州市派腾电子技术服务有限公司 | Electronic cigarette, and power supply structure thereof |
| CN110422066A (en) * | 2019-08-15 | 2019-11-08 | 中国北方车辆研究所 | A kind of vehicle-mounted charging device |
| CN112671235A (en) * | 2020-12-25 | 2021-04-16 | 昂宝电子（上海）有限公司 | Boost-buck converter control system |
-
2016
- 2016-04-07 CN CN201620285651.4U patent/CN205583749U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896646A (en) * | 2016-04-07 | 2016-08-24 | 东莞市太业电子股份有限公司 | Intelligent buck-boost charging/discharging circuit and charging/discharging method thereof |
| WO2018068710A1 (en) * | 2016-10-12 | 2018-04-19 | 常州市派腾电子技术服务有限公司 | Electronic cigarette, and power supply structure thereof |
| US11641881B2 (en) | 2016-10-12 | 2023-05-09 | Changzhou Patent Electronic Technology Co., Ltd. | Electronic cigarette and power supply structure thereof |
| CN110422066A (en) * | 2019-08-15 | 2019-11-08 | 中国北方车辆研究所 | A kind of vehicle-mounted charging device |
| CN112671235A (en) * | 2020-12-25 | 2021-04-16 | 昂宝电子（上海）有限公司 | Boost-buck converter control system |
| TWI784455B (en) * | 2020-12-25 | 2022-11-21 | 大陸商昂寶電子（上海）有限公司 | Buck-Boost Converter Control System |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |