CN209571951U - A kind of three tunnel BOOST converter parallel control systems - Google Patents
A kind of three tunnel BOOST converter parallel control systems Download PDFInfo
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- CN209571951U CN209571951U CN201920426299.5U CN201920426299U CN209571951U CN 209571951 U CN209571951 U CN 209571951U CN 201920426299 U CN201920426299 U CN 201920426299U CN 209571951 U CN209571951 U CN 209571951U
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- oxide
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- boost converter
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Abstract
The utility model embodiment provides a kind of three tunnel BOOST converter parallel control systems, which includes three tunnel BOOST converter booster circuits and controller；The grid of the grid of the first metal-oxide-semiconductor, the grid of the second metal-oxide-semiconductor and third metal-oxide-semiconductor is connect with controller in the three roads BOOST booster circuit, and the controller controls the on-off of three metal-oxide-semiconductors for output pulse signal.Three tunnels BOOST converter parallel control system provided by the embodiment of the utility model, by the way that three tunnel BOOST converters are in parallel, and the on-off of three metal-oxide-semiconductors is controlled using controller output pulse signal, while guaranteeing that output voltage is higher than input voltage, the output voltage of three road BOOST booster circuits is fluctuated to reduce, power handling capability enhancing, improves the stability of three road BOOST booster circuits.
Description
Technical field
The utility model embodiment is related to field of circuit control, more particularly to a kind of three tunnel BOOST converter Parallel Controls
System.
Background technique
BOOST circuit, i.e. boost chopper (BOOST Chopper), circuit diagram is as indicated with 1.V is one in circuit
Wholly-controled device, and assume that inductance l values are very big in circuit, capacitor C value is also very big.When V is in on-state, power supply E is filled to inductance L
Electricity, electric current ILInductance coil L is flowed through, electric current approximately linear increases, and electric energy is stored in inductance coil L in the form of perception.This
When diode D bear back-pressure, be in truncation state.Capacitor C discharges simultaneously, and the voltage on C is powered to load R, flows through electric current on R
i0Both ends are output voltage Uo, and polarity is upper just lower negative, and since C value is very big, therefore loads R both end voltage and remain essentially as perseverance
Value.When V is in off-state, since the magnetic field in coil L will change the polarity of voltage at the both ends coil L, to keep ILIt is constant, in this way
E and L series connection is powered with being higher than Uo voltage to capacitor C charging, to load R.
Traditional BOOST circuit can be controlled inductance storage and be released energy by switching tube turn-on and turn-off, to make
Output voltage is higher than input voltage.However there is a problem in that, voltage, the current stress of switching tube and diode are big, and pass
The stability and anti-interference ability of system BOOST booster circuit are poor.
Utility model content
The utility model embodiment provides a kind of three tunnel BOOST converter parallel control systems, to solve traditional BOOST
The poor problem of the stability of booster circuit realizes three tunnel BOOST converter parallel output burning voltages.
The utility model embodiment provides a kind of three tunnel BOOST converter parallel control systems, including three road BOOST boosting
Circuit and controller；The three roads BOOST booster circuit include the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, third metal-oxide-semiconductor, first coil,
Second coil, tertiary coil, first diode, the second diode, third diode, first capacitor, the second capacitor and third electricity
Hold；
+ 12V DC power supply is separately connected one end of first capacitor, one end of first coil, one end of the second coil and
One end of three-winding；The other end of the first capacitor passes through second capacity earth；
The other end of the first coil is separately connected the drain electrode of the first metal-oxide-semiconductor and the anode of first diode, and described
The other end of two coil is separately connected drain electrode and the anode of the second diode of the second metal-oxide-semiconductor, the other end of the tertiary coil
It is separately connected the drain electrode of third metal-oxide-semiconductor and the anode of third diode；The cathode of the first diode, the second diode it is negative
The cathode of pole and third diode is separately connected one end of third capacitor；
The source electrode of first metal-oxide-semiconductor, the source electrode of the second metal-oxide-semiconductor, the source electrode of third metal-oxide-semiconductor and the other end of third capacitor
It is grounded respectively；
The grid of the grid of first metal-oxide-semiconductor, the grid of the second metal-oxide-semiconductor and third metal-oxide-semiconductor is connect with controller, institute
State the on-off that controller controls three metal-oxide-semiconductors for output pulse signal.
Wherein, the controller includes single-chip microcontroller, MOS drive module, mode detection module, voltage detection module and PID
Control module；The MOS drive module, mode detection module, voltage detection module and pid control module connect with single-chip microcontroller
It connects.
Wherein, the grid of the grid of first metal-oxide-semiconductor, the grid of the second metal-oxide-semiconductor and third metal-oxide-semiconductor passes through described respectively
MOS drive module connects the single-chip microcontroller.
Wherein, the controller further includes display module, and the display module connects the single-chip microcontroller, described for showing
The output voltage of three road BOOST booster circuits.
Wherein, the single-chip microcontroller is STM32F103RCT6.
Three tunnels BOOST converter parallel control system provided by the embodiment of the utility model, by converting three road BOOST
Device is in parallel, and the on-off of three metal-oxide-semiconductors is controlled using controller output pulse signal, is guaranteeing that output voltage is higher than input voltage
While, it fluctuates the output voltage of three road BOOST booster circuits and reduces, power handling capability enhancing improves three road BOOST
The stability of booster circuit.
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 the prior art state needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is this
Some embodiments of utility model, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the circuit diagram of BOOST circuit in the prior art；
Fig. 2 is the structural representation according to three tunnels BOOST converter parallel control system provided by the embodiment of the utility model
Figure；
Fig. 3 is the structural schematic diagram according to controller provided by the embodiment of the utility model；
Fig. 4 is the control flow according to three tunnels BOOST converter parallel control system provided by the embodiment of the utility model
Schematic diagram；
In figure, 1. controllers；2. single-chip microcontroller；3.MOS drive module；4. mode detection module；5. voltage detection module；
6.PID control module；7. display module.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
It should be noted that in the description of the utility model embodiment, such as first and second or the like relationship art
Language is only used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying this
There are any actual relationship or orders between a little entities or operation.The terms "include", "comprise" or its it is any its
He is intended to non-exclusive inclusion by variant, so that the process, method, article or equipment including a series of elements is not
Only include those elements, but also including other elements that are not explicitly listed, or further include for this process, method,
Article or the intrinsic element of equipment.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in the process, method, article or apparatus that includes the element.Term
The orientation or positional relationship of the instructions such as "upper", "lower" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.Unless otherwise specific regulation and limit
Fixed, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be according to specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Fig. 2 is the structural representation according to three tunnels BOOST converter parallel control system provided by the embodiment of the utility model
Figure, referring to Fig. 2, which includes three road BOOST booster circuits and controller；The three roads BOOST booster circuit includes first
Metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2, third metal-oxide-semiconductor Q3, first coil L1, the second coil L2, tertiary coil L3, first diode
D1, the second diode D2, third diode D3, first capacitor C1, the second capacitor C2 and third capacitor C3.
+ 12V DC power supply be separately connected one end of first capacitor C1, one end of first coil L1, the second coil L2 one
The one end at end and tertiary coil L3；The other end of the first capacitor C1 is grounded by the second capacitor C2.It is understood that
It is that the input voltage of three road BOOST booster circuits is 12V in the present embodiment, in the concrete application of the utility model, three tunnels
The input voltage of BOOST booster circuit can be adjusted according to the actual situation, and be not specifically limited herein.
The other end of the first coil L1 is separately connected the drain electrode of the first metal-oxide-semiconductor Q1 and the anode of first diode D1,
The other end of the second coil L2 is separately connected drain electrode and the anode of the second diode D2 of the second metal-oxide-semiconductor Q2, the third
The other end of coil L3 is separately connected the drain electrode of third metal-oxide-semiconductor Q3 and the anode of third diode D3；The first diode D1
Cathode, the cathode of the second diode D2 and the cathode of third diode D3 be separately connected one end of third capacitor C3.Referring to figure
2, in the present embodiment, one end of third capacitor C3 exports 24V voltage, the as output voltage of three road BOOST booster circuits.
The source electrode of the first metal-oxide-semiconductor Q1, the source electrode of the second metal-oxide-semiconductor Q2, third metal-oxide-semiconductor Q3 source electrode and third capacitor C3
The other end be grounded respectively.
The grid of the grid of the first metal-oxide-semiconductor Q1, the grid of the second metal-oxide-semiconductor Q2 and third metal-oxide-semiconductor Q3 with controller 1
Connection, the controller 1 control the on-off of three metal-oxide-semiconductors for output pulse signal.Referring to Fig. 2, controller 1 exports three road arteries and veins
Signal PWM1, PWM2 and PWM3 are rushed, controls the on-off of the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor Q2 and third metal-oxide-semiconductor Q3 respectively.
It should be noted that tradition BOOST booster circuit can control inductance storage by switching tube turn-on and turn-off
With release energy, to keep output voltage higher than input voltage.However the voltage of switching tube and diode, current stress are big, and
The stability and anti-interference ability of traditional BOOST booster circuit are poor.And the utility model is in parallel by three tunnel BOOST converters,
The on-off that three metal-oxide-semiconductors are controlled using controller output pulse signal is made while guaranteeing that output voltage is higher than input voltage
The output voltage of three road BOOST booster circuits, which fluctuates, to be reduced, power handling capability enhancing.Improve three road BOOST booster circuits
Stability.
Three tunnels BOOST converter parallel control system provided by the embodiment of the utility model, by converting three road BOOST
Device is in parallel, and the on-off of three metal-oxide-semiconductors is controlled using controller output pulse signal, makes the output of three road BOOST booster circuits
Voltage fluctuation reduces, and power handling capability enhancing improves the stability of three road BOOST booster circuits.
Fig. 3 is the structural schematic diagram according to controller provided by the embodiment of the utility model, the controller 1 referring to described in Fig. 3
Including single-chip microcontroller 2, MOS drive module 3, mode detection module 4, voltage detection module 5 and pid control module 6；The MOS drives
Dynamic model block 3, mode detection module 4, voltage detection module 5 and pid control module 6 are connect with single-chip microcontroller 2.
Specifically, referring to Fig. 2 and Fig. 3, MOS drive module 3, mode detection module 4, voltage detection module 5 and PID control
Module 6 is connect with single-chip microcontroller 2, wherein the grid of the first metal-oxide-semiconductor Q1, the grid of the second metal-oxide-semiconductor Q2 and third metal-oxide-semiconductor Q3
Grid passes through MOS drive module 3 respectively and connects single-chip microcontroller 2.MOS drive module 3 is for controlling the first metal-oxide-semiconductor Q1, the second metal-oxide-semiconductor
The on-off of Q2 and third metal-oxide-semiconductor Q3.
Mode detection module 4 is used for the control model of selection control 1, and in the present embodiment, control model includes three tunnels
BOOST Time-sharing control and three road BOOST are controlled simultaneously.Wherein, three road BOOST Time-sharing controls refer to three road BOOST of Time-sharing control
The on-off of a metal-oxide-semiconductor in booster circuit；Three road BOOST are controlled simultaneously to be referred to while controlling in three road BOOST booster circuits
Three metal-oxide-semiconductors on-off.
Voltage detection module 5 is used for the output voltage of three road BOOST booster circuit of real-time detection, and pid control module 6 is used for
The detected value and desired value for comparing three road BOOST booster circuit output voltages, feed back to single-chip microcontroller 2 for comparison result.Single-chip microcontroller 2
The output of pulse signal PWM1, PWM2 and/or PWM3 are adjusted according to comparison result, to adjust three road BOOST booster circuits
Output voltage.Realize the closed-loop control to three road BOOST booster circuit output voltages.
The specific control of three tunnel BOOST converter parallel control systems is flowed in the utility model embodiment in order to facilitate understanding
Journey is now specifically described by following example:
Fig. 4 is the control flow according to three tunnels BOOST converter parallel control system provided by the embodiment of the utility model
Schematic diagram.Referring to Fig. 2, Fig. 3 and Fig. 4, after controller 1 starts starting, single-chip microcontroller carries out Program reset.Followed by mode
It detects, the control model of 4 selection control 1 of mode detection module, in the present embodiment, control model includes three road BOOST timesharing
Control and three road BOOST are controlled simultaneously.
The selection of control model enters key after completing and detects, and by key detection choosing, then corresponding key, key have
Increase voltage and reduction voltage is available, M1 key indicates to increase the output voltage of three road BOOST booster circuits, M2 key table in figure
Show reduction output voltage.Further, the output voltage of 5 real-time detection of voltage detection module, three road BOOST booster circuit.To defeated
Voltage progress parameter is shown out.Pid control module 6 compares the detected value and desired value of three road BOOST booster circuit output voltages,
Comparison result is fed back into single-chip microcontroller 2.Single-chip microcontroller 2 adjusts the defeated of pulse signal PWM1, PWM2 and/or PWM3 according to comparison result
Out, to adjust the output voltage of three road BOOST booster circuits.Realize the closed loop to three road BOOST booster circuit output voltages
Control." shutdown " key is clicked after use closes single-chip microcontroller.
On the basis of the various embodiments described above, as a kind of alternative embodiment, referring to Fig. 3, the controller 1 further includes showing
Show module 7, the display module 7 connects the single-chip microcontroller 2, for showing the output voltage of the three roads BOOST booster circuit.
Display module 7 is also used to the control model of the selection of display pattern detection module 4, i.e. display control mode is three road BOOST timesharing
Control or three road BOOST are controlled simultaneously.
On the basis of the various embodiments described above, as a kind of alternative embodiment, single-chip microcontroller 2 that the utility model uses for
STM32F103RCT6.STM32F103RCT6 is one piece of low-voltage, high performance 32 single-chip microcontrollers, and use is high performance
ARMCortex-M332 RISC cores, working frequency 72MHz, internal high-speed memories, the port enhancing I/O abundant and
It is connected to the peripheral hardware of two APB buses.The utility model uses STM32F103RCT6 single-chip microcontroller, simultaneously for three tunnel BOOST converters
Join control system and hardware supported is provided.
Three tunnels BOOST converter parallel control system provided by the embodiment of the utility model, by converting three road BOOST
Device is in parallel, and the on-off of three metal-oxide-semiconductors is controlled using controller output pulse signal, makes the output of three road BOOST booster circuits
Voltage fluctuation reduces, and power handling capability enhancing improves the stability of three road BOOST booster circuits.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (5)
1. a kind of three tunnel BOOST converter parallel control systems, which is characterized in that including three tunnel BOOST converter booster circuits
And controller；The three tunnels BOOST converter booster circuit includes the first metal-oxide-semiconductor, the second metal-oxide-semiconductor, third metal-oxide-semiconductor, First Line
Circle, the second coil, tertiary coil, first diode, the second diode, third diode, first capacitor, the second capacitor and third
Capacitor；
+ 12V DC power supply is separately connected one end of first capacitor, one end of first coil, one end of the second coil and third line
One end of circle；The other end of the first capacitor passes through second capacity earth；
The other end of the first coil is separately connected the drain electrode of the first metal-oxide-semiconductor and the anode of first diode, second line
The other end of circle is separately connected drain electrode and the anode of the second diode of the second metal-oxide-semiconductor, the other end difference of the tertiary coil
Connect the drain electrode of third metal-oxide-semiconductor and the anode of third diode；The cathode of the first diode, the second diode cathode and
The cathode of third diode is separately connected one end of third capacitor；
The other end difference of the source electrode of first metal-oxide-semiconductor, the source electrode of the second metal-oxide-semiconductor, the source electrode of third metal-oxide-semiconductor and third capacitor
Ground connection；
The grid of the grid of first metal-oxide-semiconductor, the grid of the second metal-oxide-semiconductor and third metal-oxide-semiconductor is connect with controller, the control
Device processed controls the on-off of three metal-oxide-semiconductors for output pulse signal.
2. three tunnels BOOST converter parallel control system according to claim 1, which is characterized in that the controller packet
Include single-chip microcontroller, MOS drive module, mode detection module, voltage detection module and pid control module；The MOS drive module,
Mode detection module, voltage detection module and pid control module are connect with single-chip microcontroller.
3. three tunnels BOOST converter parallel control system according to claim 2, which is characterized in that first metal-oxide-semiconductor
Grid, the second metal-oxide-semiconductor grid the single-chip microcontroller is connected by the MOS drive module respectively with the grid of third metal-oxide-semiconductor.
4. three tunnels BOOST converter parallel control system according to claim 2, which is characterized in that the controller is also
Including display module, the display module connects the single-chip microcontroller, for showing the three tunnels BOOST converter booster circuit
Output voltage.
5. three tunnels BOOST converter parallel control system according to claim 2, which is characterized in that the single-chip microcontroller is
STM32F103RCT6。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426299.5U CN209571951U (en) | 2019-04-01 | 2019-04-01 | A kind of three tunnel BOOST converter parallel control systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920426299.5U CN209571951U (en) | 2019-04-01 | 2019-04-01 | A kind of three tunnel BOOST converter parallel control systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209571951U true CN209571951U (en) | 2019-11-01 |
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ID=68335941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920426299.5U Expired - Fee Related CN209571951U (en) | 2019-04-01 | 2019-04-01 | A kind of three tunnel BOOST converter parallel control systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209571951U (en) |
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2019
- 2019-04-01 CN CN201920426299.5U patent/CN209571951U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 |
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| CF01 | Termination of patent right due to non-payment of annual fee |