CN208589800U - A kind of list binodal battery is adaptive and anti-reverse power supply circuit - Google Patents

A kind of list binodal battery is adaptive and anti-reverse power supply circuit Download PDF

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Publication number
CN208589800U
CN208589800U CN201821346811.7U CN201821346811U CN208589800U CN 208589800 U CN208589800 U CN 208589800U CN 201821346811 U CN201821346811 U CN 201821346811U CN 208589800 U CN208589800 U CN 208589800U
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resistance
pmos tube
circuit
connect
battery
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CN201821346811.7U
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杨华中
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Xun Hetong Science And Technology Ltd Of Shenzhen
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Xun Hetong Science And Technology Ltd Of Shenzhen
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Abstract

The utility model relates to power supply technical fields, more particularly to a kind of single binodal battery is adaptive and anti-reverse power supply circuit, including the first battery interface to be installed, the second battery interface and voltage output end to be installed, micro-control unit, the first sample circuit, the second sample circuit, first control circuit, second control circuit, first switch circuit, second switch circuit；The micro-control unit of the utility model judge by the first sample circuit and the second sample circuit first to packed battery and the second voltage to packed battery, then the ON-OFF control circuit output voltage for passing through first control circuit and the second control is to use a batteries or two batteries；The reverse operation of battery can be also prevented by circuit simultaneously.

Description

A kind of list binodal battery is adaptive and anti-reverse power supply circuit
Technical field
The adaptive and anti-reverse confession the utility model relates to power supply technical field more particularly to a kind of single binodal battery Circuit.
Background technique
In battery-powered products in the prior art, single-unit is powered or be fixed as to the battery of entirely fixed joint number The power supply such as binodal or three sections is powered or be fixed as to battery.The battery power supply mode of this fixed joint number limits the spirit of user Activity.Especially in the electronic cigarette application field of high-power lithium battery, the flexible switching demand for single binodal lithium battery is relatively compeled It cuts.
Utility model content
The utility model provides that a kind of single binodal battery is adaptive and anti-reverse power supply circuit, the utility model method letter Single, high reliablity can not be designed person well and grasp and be applied in battery powered various product design.
The utility model has offered following solution:
A kind of list binodal battery is adaptive and anti-reverse power supply circuit, including the first battery interface to be installed, the second electricity to be installed Pond interface and voltage output end, further includes: micro-control unit, the first sample circuit, the second sample circuit, the first control electricity Road, second control circuit, first switch circuit, second switch circuit；
First anode interface to be installed is connect with the second battery cathode interface to be installed, the first anode interface to be installed with One end of the first switch circuit connects, and the second anode interface to be installed is connect with one end of the second switch circuit, The other end of the first switch circuit and second switch circuit is connect with one end of the voltage output end；
The micro-control unit is connect by the first sample circuit with the described first battery interface to be installed, and the second sampling is passed through Circuit is connect with the described second battery interface to be installed；
The micro-control unit is controlled by first control circuit and the first switch circuit connection by described second Circuit and the second switch circuit connection；
The micro-control unit is also connect with the other end of the voltage output end；
The first switch circuit includes PMOS tube Q1 and resistance R1, and the grid of the PMOS tube Q1 and described first control The drain electrode of circuit connection, the PMOS tube Q1 is connect with described first to the anode interface of packed battery, the source of the PMOS tube Q1 Pole is connect with one end of the voltage output end, and the both ends of the resistance R1 are separately connected grid and the source of the PMOS tube Q1 Pole；
The second switch circuit includes PMOS tube Q2, PMOS tube Q5 and resistance R2, the grid of the PMOS tube Q2 with Second control circuit connection, the drain electrode of the PMOS tube Q2 is connect with described second to the anode interface of packed battery, described The source electrode of PMOS tube Q2 is connect with the source electrode of the PMOS tube Q5, the grid of the grid of the PMOS tube Q5 and the PMOS tube Q2 Connection, the drain electrode of the PMOS tube Q5 are connect with the source electrode of the PMOS tube Q1, and the both ends of the resistance R2 are separately connected described The grid and source electrode of PMOS tube Q2.
Wherein, the first control circuit includes triode Q3 and resistance R3, and the base stage of the triode Q3 passes through resistance R3 is connect with the micro-control unit, and the collector of the triode Q3 is connect with the grid of the PMOS tube Q1, three pole The emitter of pipe Q3 is grounded；
The second control circuit includes that the base stage of triode Q4 and resistance R4, the triode Q4 pass through resistance R4 and institute Micro-control unit connection is stated, the collector of the triode Q4 is connect with the grid of the PMOS tube Q2, the triode Q4's Emitter ground connection.
Wherein, it after first sample circuit includes resistance R5 and resistance R7, the resistance R5 and resistance R7 series connection, then goes here and there It is associated in the described first anode interface to be installed and the first battery cathode interface to be installed both ends, first battery cathode to be installed connects The common end of mouth ground connection, the resistance R5 and resistance R7 are connect with the micro-control unit；
Wherein, second sample circuit includes one end after resistance R6 and resistance R8, the resistance R6 and resistance R8 series connection Connect with the described second anode interface to be installed, other end ground connection, the common end of the resistance R6 and resistance R8 with it is described micro- Control unit connection.
Preferably, a kind of described single binodal battery is adaptive and anti-reverse power supply circuit includes voltage regulation unit, it is described First switch circuit and second switch circuit pass through the voltage regulation unit and connect with one end of the voltage output end, the electricity The other end of pressure output end is connect with the micro-control unit.
Preferably, the resistance R1 is 100 kilohms, resistance R2 is 100 kilohms.
Preferably, the resistance R3 is 10 kilohms, resistance R4 is 10 kilohms.
Preferably, the resistance R5 is 220 kilohms, resistance R6 is 470 kilohms, and resistance R7 is 220 kilohms, electricity Hindering R8 is 220 kilohms.
A kind of single binodal battery of the utility model is adaptive and anti-reverse power supply circuit the utility model has the advantages that
Compared with prior art, a kind of single binodal battery of the utility model is adaptive and anti-reverse power supply circuit, realizes Single binodal battery adaptation power supply circuit, by detecting each cathode voltage of battery-end, after determining battery number, opening is accordingly opened It closes, to complete the battery powered automatic switchover of single binodal, greatly facilitates user, it is full to the experience of product to improve user Meaning degree.
Detailed description of the invention
Fig. 1 is that the single binodal battery of one of the utility model embodiment is adaptive and anti-reverse power supply circuit is when only one Structural schematic diagram when batteries are reversely connected.
Fig. 2 is that the single binodal battery of one of the utility model embodiment is adaptive and anti-reverse power supply circuit is when only one Structural schematic diagram when batteries just connect.
Fig. 3 is that the single binodal battery of one of the utility model embodiment is adaptive and anti-reverse power supply circuit works as first segment Structural schematic diagram when battery just connects, the second batteries are reversely connected.
Fig. 4 is that the single binodal battery of one of the utility model embodiment is adaptive and anti-reverse power supply circuit works as first segment The structural schematic diagram that battery just connects, the second batteries are just connecing.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, with reference to the accompanying drawing and specifically Embodiment is described in further detail the utility model.
With reference to shown in Fig. 1,2,3,4, the utility model provides that a kind of single binodal battery is adaptive and anti-reverse power supply is electric Road includes the first battery interface to be installed, the second battery interface and voltage output end to be installed, further includes: micro-control unit, first Sample circuit, the second sample circuit, first control circuit, second control circuit, first switch circuit, second switch circuit；
First anode interface to be installed is connect with the second battery cathode interface to be installed, the first anode interface to be installed with One end of the first switch circuit connects, and the second anode interface to be installed is connect with one end of the second switch circuit, The other end of the first switch circuit and second switch circuit is connect with one end of the voltage output end；
The micro-control unit is connect by the first sample circuit with the described first battery interface to be installed, and the second sampling is passed through Circuit is connect with the described second battery interface to be installed；
The micro-control unit is controlled by first control circuit and the first switch circuit connection by described second Circuit and the second switch circuit connection；
The micro-control unit is also connect with the other end of the voltage output end；
The first switch circuit includes PMOS tube Q1 and resistance R1, and the grid of the PMOS tube Q1 and described first control The drain electrode of circuit connection, the PMOS tube Q1 is connect with described first to the anode interface of packed battery, the source of the PMOS tube Q1 Pole is connect with one end of the voltage output end, and the both ends of the resistance R1 are separately connected grid and the source of the PMOS tube Q1 Pole；
The second switch circuit includes PMOS tube Q2, PMOS tube Q5 and resistance R2, the grid of the PMOS tube Q2 with Second control circuit connection, the drain electrode of the PMOS tube Q2 is connect with described second to the anode interface of packed battery, described The source electrode of PMOS tube Q2 is connect with the source electrode of the PMOS tube Q5, the grid of the grid of the PMOS tube Q5 and the PMOS tube Q2 Connection, the drain electrode of the PMOS tube Q5 are connect with the source electrode of the PMOS tube Q1, and the both ends of the resistance R2 are separately connected described The grid and source electrode of PMOS tube Q2.
Wherein, the first control circuit includes triode Q3 and resistance R3, and the base stage of the triode Q3 passes through resistance R3 is connect with the port I/01 of the micro-control unit, and the grid of the collector of the triode Q3 and the PMOS tube Q1 connect It connects, the emitter ground connection of the triode Q3；
The second control circuit includes that the base stage of triode Q4 and resistance R4, the triode Q4 pass through resistance R4 and institute The port the I/02 connection of micro-control unit is stated, the collector of the triode Q4 is connect with the grid of the PMOS tube Q2, described The emitter of triode Q4 is grounded.
Wherein, it after first sample circuit includes resistance R5 and resistance R7, the resistance R5 and resistance R7 series connection, then goes here and there It is associated in the described first anode interface to be installed and the first battery cathode interface to be installed both ends, first battery cathode to be installed connects Mouth ground connection, the resistance R5 and the common end of resistance R7 and the port ADC1 of the micro-control unit are connect；
Wherein, second sample circuit includes one end after resistance R6 and resistance R8, the resistance R6 and resistance R8 series connection Connect with the described second anode interface to be installed, other end ground connection, the common end of the resistance R6 and resistance R8 with it is described micro- The port ADC2 of control unit connects.
Preferably, a kind of described single binodal battery is adaptive and anti-reverse power supply circuit includes voltage regulation unit LDO, institute It states first switch circuit and second switch circuit passes through one end company of the voltage regulation unit LDO and voltage output end VCC It connects, the other end of the voltage output end VCC is connect with the micro-control unit VDD.
Preferably, the resistance R1 is 100 kilohms, resistance R2 is 100 kilohms.
Preferably, the resistance R3 is 10 kilohms, resistance R4 is 10 kilohms.
Preferably, the resistance R5 is 220 kilohms, resistance R6 is 470 kilohms, and resistance R7 is 220 kilohms, electricity Hindering R8 is 220 kilohms.
Single binodal battery of the utility model embodiment is adaptive and anti-reverse power supply circuit
Anti-reverse and working principle:
1, when only connecing a batteries:
With reference to Fig. 1, after the first battery BAT1 reversal connection, PMOS tube Q1 is not turned at this time, so reverse operation can be prevented；
With reference to Fig. 2, after the first battery BAT1 just connects, PMOS tube Q1 is connected at this time, and micro-control unit MCU is adopted by second Sample circuit judges go out the second battery BAT2 and do not fill, and by control PMOS tube Q1 conducting, PMOS tube Q2 is closed, and are switched to an economize on electricity Battery-powered mode；
2, when two batteries all connect:
With reference to Fig. 3, after the first battery BAT1 just connects, then the second batteries BAT2 is met, when the second batteries BAT2 is reversely connected When, PMOS tube Q1 is connected at this time, and PMOS tube Q5 can prevent the first battery BAT1 and the second batteries BAT2 short circuit, microcontroller list First MCU judges that the second battery BAT2 is reversely connected by the first sample circuit and the second sample circuit, is led by controlling PMOS tube Q1 Logical, PMOS tube Q2 is not turned on, and is switched to the mode of a whose power supplied；
With reference to Fig. 4, then when the second batteries BAT2 just being connect again, micro-control unit MCU by the first sample circuit and Second sample circuit judges that the second battery BAT2 just connects, and is not turned on by controlling PMOS tube Q1, and PMOS tube Q2 conducting is switched to The mode of two whose power supplieds；
It can power to single binodal battery and adaptively be adjusted in this manner, greatly facilitate making for user With.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims Within the scope of.

Claims (7)

1. a kind of list binodal battery is adaptive and anti-reverse power supply circuit, including the first battery interface to be installed, second are to packed battery Interface and voltage output end, which is characterized in that further include: micro-control unit, the first sample circuit, the second sample circuit, One control circuit, second control circuit, first switch circuit, second switch circuit；
First anode interface to be installed is connect with the second battery cathode interface to be installed, the first anode interface to be installed with it is described One end of first switch circuit connects, and the second anode interface to be installed is connect with one end of the second switch circuit, described The other end of first switch circuit and second switch circuit is connect with one end of the voltage output end；
The micro-control unit is connect by the first sample circuit with the described first battery interface to be installed, and the second sample circuit is passed through It is connect with the described second battery interface to be installed；
The micro-control unit passes through the second control circuit by first control circuit and the first switch circuit connection With the second switch circuit connection；
The micro-control unit is also connect with the other end of the voltage output end；
The first switch circuit includes the grid and the first control circuit of PMOS tube Q1 and resistance R1, the PMOS tube Q1 The drain electrode of connection, the PMOS tube Q1 is connect with described first to the anode interface of packed battery, the source electrode of the PMOS tube Q1 and One end of the voltage output end connects, and the both ends of the resistance R1 are separately connected the grid and source electrode of the PMOS tube Q1；
The second switch circuit includes PMOS tube Q2, PMOS tube Q5 and resistance R2, the grid of the PMOS tube Q2 with it is described The drain electrode of second control circuit connection, the PMOS tube Q2 is connect with described second to the anode interface of packed battery, the PMOS The source electrode of pipe Q2 is connect with the source electrode of the PMOS tube Q5, and the grid of the grid of the PMOS tube Q5 and the PMOS tube Q2 connect It connects, the drain electrode of the PMOS tube Q5 is connect with the source electrode of the PMOS tube Q1, and the both ends of the resistance R2 are separately connected described The grid and source electrode of PMOS tube Q2.
2. a kind of single binodal battery according to claim 1 is adaptive and anti-reverse power supply circuit, which is characterized in that described First control circuit includes that the base stage of triode Q3 and resistance R3, the triode Q3 pass through resistance R3 and the micro-control unit Connection, the collector of the triode Q3 are connect with the grid of the PMOS tube Q1, the emitter ground connection of the triode Q3；
The second control circuit include triode Q4 and resistance R4, the triode Q4 base stage by resistance R4 with it is described micro- Control unit connection, the collector of the triode Q4 are connect with the grid of the PMOS tube Q2, the transmitting of the triode Q4 Pole ground connection.
3. a kind of single binodal battery according to claim 2 is adaptive and anti-reverse power supply circuit, which is characterized in that described After first sample circuit includes resistance R5 and resistance R7, the resistance R5 and resistance R7 series connection, then to be connected on described first to be installed Anode interface and the first battery cathode interface to be installed both ends, the first battery cathode interfacing ground to be installed, the resistance The common end of R5 and resistance R7 are connect with the micro-control unit；
Second sample circuit includes one end and described the after resistance R6 and resistance R8, the resistance R6 and resistance R8 series connection Two anode interface connections to be installed, other end ground connection, the common end and the micro-control unit of the resistance R6 and resistance R8 Connection.
4. a kind of single binodal battery according to claim 3 is adaptive and anti-reverse power supply circuit, which is characterized in that including Voltage regulation unit, the first switch circuit and second switch circuit pass through the one of the voltage regulation unit and the voltage output end End connection, the other end of the voltage output end are connect with the micro-control unit.
5. a kind of single binodal battery according to claim 1 is adaptive and anti-reverse power supply circuit, which is characterized in that described Resistance R1 is 100 kilohms, and resistance R2 is 100 kilohms.
6. a kind of single binodal battery according to claim 2 is adaptive and anti-reverse power supply circuit, which is characterized in that described Resistance R3 is 10 kilohms, and resistance R4 is 10 kilohms.
7. a kind of single binodal battery according to claim 3 is adaptive and anti-reverse power supply circuit, which is characterized in that described Resistance R5 is 220 kilohms, and resistance R6 is 470 kilohms, and resistance R7 is 220 kilohms, and resistance R8 is 220 kilohms.
CN201821346811.7U 2018-08-20 2018-08-20 A kind of list binodal battery is adaptive and anti-reverse power supply circuit Active CN208589800U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821346811.7U CN208589800U (en) 2018-08-20 2018-08-20 A kind of list binodal battery is adaptive and anti-reverse power supply circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821346811.7U CN208589800U (en) 2018-08-20 2018-08-20 A kind of list binodal battery is adaptive and anti-reverse power supply circuit

Publications (1)

Publication Number Publication Date
CN208589800U true CN208589800U (en) 2019-03-08

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Application Number Title Priority Date Filing Date
CN201821346811.7U Active CN208589800U (en) 2018-08-20 2018-08-20 A kind of list binodal battery is adaptive and anti-reverse power supply circuit

Country Status (1)

Country Link
CN (1) CN208589800U (en)

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