CN205693417U - A kind of wide scope frequency conversion boosting charge-discharge circuit - Google Patents
A kind of wide scope frequency conversion boosting charge-discharge circuit Download PDFInfo
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- CN205693417U CN205693417U CN201620628496.1U CN201620628496U CN205693417U CN 205693417 U CN205693417 U CN 205693417U CN 201620628496 U CN201620628496 U CN 201620628496U CN 205693417 U CN205693417 U CN 205693417U
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Abstract
This utility model discloses and provides a kind of wide scope frequency conversion boosting charge-discharge circuit.It includes FREQUENCY CONTROL and PWM controller output circuit, diode (D1), electric capacity (C1), resistance (R1), voltage buffer (U1A), metal-oxide-semiconductor (M1) and (M2), phase inverter (U3A), switch (K1) and (K2), buffer (U2A), power outputting inductance (L1), battery (BELL), voltage comparator (U4), PWM is exported by dedicated PWM controller, by the discharge and recharge time of diode D1 regulation C1, change the time that on C1, voltage maintains.Phase inverter is connected to U2A through K1 and drives metal-oxide-semiconductor M2.M1 Yu M2 waveform is complementary, and when battery BELL voltage is less than VSET, K1 disconnects, and M2 drives shutoff, and rectification is carried out by diode in M2 body.K2 closes, and frequency changer circuit starts, and changes dutycycle by frequency conversion and realizes the energy regenerating boosting rectifier control of extra low voltage.This utility model can be widely applied in band energy feedback type lithium battery partial volume equipment.
Description
Technical field
This utility model relates to wide scope frequency conversion pressure build-up technique field, particularly relates to one and is applied to band energy feedback type lithium
Charge-discharge circuit in battery partial volume equipment.
Background technology
Greatly develop the new forms of energy epoch now, battery becomes the focus of new forms of energy naturally.And the technique of battery production is worked as
In need ceaselessly battery to be carried out discharge and recharge operation with activated batteries and screening partial volume.Partial volume is to enter the battery activated
Row fully loaded charge and discharge cycles process, the process of partial volume needs to add up battery capacity, and the accumulative needs of capacity are to electricity
Pond carries out constant-current discharge to setting voltage.Because of the line pressure drop that can produce during discharge and recharge between equipment and battery, meeting when this pressure drop is excessive
Guiding discharge process electric current does not reaches setting value due to device port undertension, thus affects battery performance.Market at present
Energy feedback type partial volume equipment low pressure discharge technology is commonly resistance consuming type, i.e. by the energy of battery is converted by resistance
Become heat to consume, on this portion of energy utilizes the most well, but also the rising of environment space temperature can be made and add
Except the input of temperature equipment, power consumption rises the most therewith, and causing inefficiency, this utility model is a kind of wide scope frequency conversion boosting skill
Art, is applied to discharge loop in band energy feedback type lithium battery partial volume equipment, is effectively increased lithium battery periods of low pressure electric discharge energy
Amount organic efficiency.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of energy elevator belt energy
The wide scope frequency conversion boosting charge-discharge circuit of feedback type lithium battery partial volume device efficiency.
This utility model be the technical scheme is that a kind of wide scope frequency conversion boosting charge-discharge circuit, and it includes frequency
Control and PWM controller output circuit and circuit voltage control signal VSET, diode, electric capacity, resistance, voltage buffer, the
One metal-oxide-semiconductor, the second metal-oxide-semiconductor, phase inverter, the first switch, second switch, buffer, power outputting inductance, battery, voltage ratio are relatively
Device, described FREQUENCY CONTROL outfan connects the input of described second switch, and one end of described second switch outfan connects institute
Stating the negative pole of diode, the other end of described second switch outfan connects one end of described first output switching terminal, described electricity
The outfan of pressure comparator, described PWM controller output circuit connects one end of described resistance, and the other end of described resistance connects
One end of described electric capacity, the positive pole of described diode, the input of described voltage buffer, the input of described phase inverter, institute
The other end stating electric capacity connects circuit altogether, outfan described first switch input terminal of connection of described phase inverter, and described first
The other end of output switching terminal connects the input of described buffer, and the outfan of described voltage buffer connects described first
The grid of metal-oxide-semiconductor, the outfan of described buffer connects the grid of described second metal-oxide-semiconductor, and the drain electrode of described first metal-oxide-semiconductor connects
Altogether and the negative pole of described battery, the source electrode of described second metal-oxide-semiconductor connects working power+DC, the source of described first metal-oxide-semiconductor to circuit
After pole is connected with the grid of described second metal-oxide-semiconductor and be connected one end of described power outputting inductance, described power outputting inductance
The other end connect the anode of described voltage comparator, the positive pole of described battery, the negative terminal of described voltage comparator connects circuit
Voltage control signal VSET.
The beneficial effects of the utility model are: due to this utility model, it includes FREQUENCY CONTROL and PWM controller output electricity
Road and circuit voltage control signal VSET, diode, electric capacity, resistance, voltage buffer, the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, anti-phase
Device, the first switch, second switch, buffer, power outputting inductance, battery, voltage comparator, described FREQUENCY CONTROL outfan is even
Connect the input of described second switch, the negative pole of the described diode of one end connection of described second switch outfan, described second
The other end of output switching terminal connects one end of described first output switching terminal, the outfan of described voltage comparator, described PWM
Controller output circuit connects one end of described resistance, and the other end of described resistance connects one end of described electric capacity, described two poles
The positive pole of pipe, the input of described voltage buffer, the input of described phase inverter, the other end of described electric capacity connects circuit altogether
Ground, the outfan of described phase inverter connects described first switch input terminal, and the other end of described first output switching terminal connects institute
Stating the input of buffer, the outfan of described voltage buffer connects the grid of described first metal-oxide-semiconductor, described buffer defeated
Going out end and connect the grid of described second metal-oxide-semiconductor, the drain electrode of described first metal-oxide-semiconductor connects circuit altogether and the negative pole of described battery,
The source electrode of described second metal-oxide-semiconductor connects working power+DC, the grid phase of the source electrode of described first metal-oxide-semiconductor and described second metal-oxide-semiconductor
After connection and connect one end of described power outputting inductance, the other end of described power outputting inductance connects described voltage comparator
Anode, the positive pole of described battery, the negative terminal of described voltage comparator connects circuit voltage control signal VSET.So this practicality
Novel is a kind of technology applying wide scope frequency conversion boosting, can be effectively improved lithium battery periods of low pressure discharge energy and reclaim effect
Rate.
Accompanying drawing explanation
Fig. 1 is this utility model main circuit theory structure schematic diagram.
Detailed description of the invention
As it is shown in figure 1, this utility model it include that FREQUENCY CONTROL and PWM controller output circuit and circuit voltage control letter
Number VSET, diode D1, electric capacity C1, resistance R1, voltage buffer U1A, the first metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2, phase inverter
U3A, the first switch K1, second switch K2, buffer U2A, power outputting inductance L1, battery BELL, voltage comparator U4, described
FREQUENCY CONTROL outfan connects the input of described second switch K2, and one end of described second switch K2 outfan connects described two
The negative pole of pole pipe D1, the other end of described second switch K2 outfan connects one end of described first switch K1 outfan, described
The outfan of voltage comparator U4, described PWM controller output circuit connects one end of described resistance R1, and described resistance R1's is another
One end connect one end of described electric capacity C1, the positive pole of described diode D1, the input of described voltage buffer U1A, described instead
The input of phase device U3A, the other end of described electric capacity C1 connects circuit altogether, and the outfan of described phase inverter U3A connects described
First switch K1 input, the other end of described first switch K1 outfan connects the input of described buffer U2A, described electricity
The outfan of compression buffer U1A connects the grid of described first metal-oxide-semiconductor M1, and the outfan of described buffer U2A connects described the
The grid of two metal-oxide-semiconductor M2, the drain electrode of described first metal-oxide-semiconductor M1 connects circuit altogether and the negative pole of described battery BELL, and described the
The source electrode of two metal-oxide-semiconductor M2 connects working power+DC, the grid phase of the source electrode of described first metal-oxide-semiconductor M1 and described second metal-oxide-semiconductor M2
After connection and connect one end of described power outputting inductance L1, the other end of described power outputting inductance L1 connects described voltage ratio
The anode of relatively device U4, the positive pole of described battery BELL, the negative terminal of described voltage comparator U4 connects circuit voltage control signal
VSET。
In the present embodiment, this utility model principle is as follows: PWM is exported by dedicated PWM controller, and FREQUENCY CONTROL is an electricity
Pressure controller, by the discharge and recharge time of diode D1 regulation C1, changes the time that on C1, voltage maintains.U1A is voltage buffer
Device, C1 realizes the conversion of frequency by voltage buffer, and PWM waveform isoboles is as marked in figure.U1A output PWM drives MOS
Pipe M1, U3A are phase inverter, and phase inverter is connected to U2A buffer through a switch K1 and drives metal-oxide-semiconductor M2.M1 with M2 waveform is mutual
Mending, M1 is master control MOS, and M2 is for synchronizing MOS.Power outputting inductance L1 exports battery BELL.U4 is voltage comparator, by setting
Putting VSET voltage and control the Push And Release of K1, when battery BELL voltage is less than VSET, K1 disconnects, and M2 drives shutoff, synchronous rectification
Simultaneously turning off, rectification is carried out by diode in M2 body.K2 closes, and frequency changer circuit starts, and frequency control circuit changes C1 voltage
Realize FREQUENCY CONTROL, low-limit frequency 0HZ, highest frequency 150KHZ.Change dutycycle by frequency conversion and realize the energy of extra low voltage
Reclaim boosting rectifier control.
This utility model can be widely applied in band energy feedback type lithium battery partial volume equipment.
Claims (1)
1. one kind wide scope frequency conversion boosting charge-discharge circuit, it is characterised in that: it includes FREQUENCY CONTROL and PWM controller output electricity
Road and circuit voltage control signal VSET, diode (D1), electric capacity (C1), resistance (R1), voltage buffer (U1A), a MOS
Pipe (M1), the second metal-oxide-semiconductor (M2), phase inverter (U3A), the first switch (K1), second switch (K2), buffer (U2A), power are defeated
Going out inductance (L1), battery (BELL), voltage comparator (U4), described FREQUENCY CONTROL outfan connects described second switch (K2)
Input, one end of described second switch (K2) outfan connects the negative pole of described diode (D1), described second switch (K2)
The other end of outfan connects described first switch one end of (K1) outfan, the outfan of described voltage comparator (U4), institute
Stating PWM controller output circuit and connect one end of described resistance (R1), the other end of described resistance (R1) connects described electric capacity
(C1) one end, the positive pole of described diode (D1), the input of described voltage buffer (U1A), described phase inverter (U3A)
Input, the other end of described electric capacity (C1) connects circuit altogether, and the outfan of described phase inverter (U3A) connects described first and opens
Closing (K1) input, the other end of described first switch (K1) outfan connects the input of described buffer (U2A), described electricity
The outfan of compression buffer (U1A) connects the grid of described first metal-oxide-semiconductor (M1), and the outfan of described buffer (U2A) connects
The grid of described second metal-oxide-semiconductor (M2), the drain electrode of described first metal-oxide-semiconductor (M1) connects circuit altogether and described battery (BELL)
Negative pole, the source electrode of described second metal-oxide-semiconductor (M2) connects working power+DC, the source electrode and described second of described first metal-oxide-semiconductor (M1)
After the grid of metal-oxide-semiconductor (M2) is connected and connect one end of described power outputting inductance (L1), described power outputting inductance (L1)
The other end connect described voltage comparator (U4) anode, the positive pole of described battery (BELL), described voltage comparator (U4)
Negative terminal connect circuit voltage control signal VSET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620628496.1U CN205693417U (en) | 2016-06-23 | 2016-06-23 | A kind of wide scope frequency conversion boosting charge-discharge circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620628496.1U CN205693417U (en) | 2016-06-23 | 2016-06-23 | A kind of wide scope frequency conversion boosting charge-discharge circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205693417U true CN205693417U (en) | 2016-11-16 |
Family
ID=57425188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620628496.1U Active CN205693417U (en) | 2016-06-23 | 2016-06-23 | A kind of wide scope frequency conversion boosting charge-discharge circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205693417U (en) |
-
2016
- 2016-06-23 CN CN201620628496.1U patent/CN205693417U/en active Active
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