CN105915047A - Novel direct current boosted circuit - Google Patents
Novel direct current boosted circuit Download PDFInfo
- Publication number
- CN105915047A CN105915047A CN201610298275.7A CN201610298275A CN105915047A CN 105915047 A CN105915047 A CN 105915047A CN 201610298275 A CN201610298275 A CN 201610298275A CN 105915047 A CN105915047 A CN 105915047A
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- Prior art keywords
- die block
- voltage
- outfan
- electric capacity
- unidirectional thyristor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/125—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M3/135—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
Abstract
The present invention provides a novel direct current boosted circuit. The circuit comprises a direct current voltage source, multi-voltage modules, a Boost circuit module and a load module. After the direct current voltage source passes through a plurality of multi-voltage modules which is charged in parallel and discharged in series to boost the voltage, and is boosted again by the Boost circuit to transmit to the load module. The rated voltage required to bear of a switch tube in the direct current boosted circuit does not exceed the peak value of the input voltage, the multi-voltage circuit is able to boost the low voltage to required high voltage, and the Boost circuit is able to regulate the voltage to continue the output voltage and allow the performance to be more stable and reliable; and moreover, the requirements of the voltage with different grades are satisfied through adding the multi-voltage modules, and the universality is high.
Description
Technical field
The present invention relates to DC-DC converter technique field, in particular it relates to a kind of novel DC voltage booster circuit.
Background technology
Most systems only one of which power supply, when the different grades of voltage of needs, needs to obtain by step-up/step-down circuit
?.Generally, the electric pressure of direct voltage source is relatively low, but in actual application, some electric equipment may need
The voltage of higher level, is at this time necessary for reaching the purpose of boosting by various methods.
Transformator is the common equipment of AC boosting, and the outfan of transformator is obtained with bigger voltage plus bulky capacitor
Gain, but transformator is bulky, and the magnetic core used also can be greatly improved the gross mass of equipment.High frequency is
Reducing an important method of volume of transformer, DC inverter first becomes high-frequency alternating current, transformator is existed by magnetic coupling
Secondary side produces high pressure, then it is carried out the high direct voltage output needed for rectification acquisition, and the break-make speed of this switch tube is also
It is a no small test, and whole process equipment needed thereby is more, controls complex, if input voltage is relatively low
Words, voltage loss is more serious, and energy transmission efficiency is not the highest.
DC inverter is become exchange, is capable of high direct voltage by voltage doubling rectifing circuit and exports, but output voltage
Adjustability is poor, and commutation diode in circuit needs the high backward voltage born to be the twice of input voltage amplitude,
When to obtain the highest output voltage, diode may be reversed and puncture.
In high-voltage system, commonly used high-voltage pulse generator obtains high direct voltage, and this method can effectively obtain width
It is worth big high voltage pulse.But its shortcoming is also it will be apparent that the existence of first ball gap makes device volume big and low
The direct voltage source boosting difficulty of grade；Secondly the output of voltage is not continuous print, inapplicable in a lot of occasions.
Boost circuit and Buck-Boost circuit are the topologys that power electronics DC boosting is with the most use, and principle is simple, control
System is also not difficult.But when both circuit can be operated under high voltage gain situation, it is easily caused and makes circuit unstability,
Requirement to inductance also can be greatly improved.
More than Zong He, the analysis of existing boost circuit structure is found, the current stage need nonetheless remain for releasing control simple,
The Novel DC booster circuit that highly versatile, voltage gain are high, utilizes the former of electric capacity charged in parallel discharged in series herein
Reason realizes multiplication of voltage, and rear class accesses Boost circuit, both can again boost, it is also possible to by the tune of Boost circuit
Joint effect obtains continuous print output voltage.
Summary of the invention
For defect of the prior art, it is an object of the invention to provide a kind of novel DC voltage booster circuit.
The novel DC voltage booster circuit provided according to the present invention, including: DC source, times die block, Boost
Circuit module and load blocks；Multiple times of die blocks are charged by described DC source, when voltage reaches to set
After value, described times die block provides the DC voltage of boosted process by Boost circuit module to load blocks.
Preferably, described times of die block includes: electric capacity, the first unidirectional thyristor, the second unidirectional thyristor, two-way crystalline substance
Brake tube；The positive pole of described electric capacity constitutes the positive charging end of times die block, and the negative pole of electric capacity constitutes the negative of times die block and fills
Electricity end；The positive pole of electric capacity is respectively connecting to the anode of the anode of the first unidirectional thyristor, bidirectional thyristor；Described
The negative pole of one unidirectional thyristor constitutes the first outfan of times die block, and the negative pole of electric capacity is connected to the second unidirectional brilliant lock
The negative electrode of pipe, the anode of described second unidirectional thyristor is connected to the negative electrode of bidirectional thyristor and constitutes times die block
Second outfan.
Preferably, multiple times of die blocks are followed in series to form the first defeated of multistage times of die block, i.e. upper level times die block
Going out end and connect the positive charging end of next stage times die block, the second outfan of upper level times die block connects next stage times
The negative charging end of die block.
Preferably, the positive charging end of primary times die block is connected to the positive pole of DC source, described primary times die block
Negative charging end is connected to the negative pole of DC source；First outfan of final stage times die block is connected to Boost circuit mould
The first input end of block, the second outfan of described final stage times die block is front of motor.
Preferably, described Boost circuit module includes: inductance L1, diode D1, switching tube S1, electrochemical capacitor
One end of E4, described inductance L1 constitutes the first input end of Boost circuit module, the other end of described inductance L1
Being respectively connecting to the positive pole of diode D1, the drain electrode of switching tube S1, the negative pole of described diode is connected to electrolysis electricity
Holding the positive pole of E4 and constitute the first outfan of Boost circuit module, the negative pole of described electrochemical capacitor E4 connects respectively
It is connected to the source electrode of switching tube S1, the negative pole of DC source and constitutes the second outfan of Boost circuit module；Described
First outfan of Boost circuit module, the second outfan are respectively connecting to the two ends of load blocks.
Preferably, when the first unidirectional thyristor in each times of die block, the second unidirectional thyristor are in the conduction state,
And bidirectional thyristor, switching tube S1 are when being in cut-off state, DC source closes in parallel connection in each times of die block
The electric capacity of system is charged；When the first unidirectional thyristor in each times of die block, the second unidirectional thyristor are in and cut
When only state, and bidirectional thyristor, switching tube S1 are in the conduction state, the electric capacity of each times of die block is series connection
Inductance L1 is also charged by relation；When the first unidirectional thyristor in each times of die block, the second unidirectional thyristor,
Switching tube S1 is in cut-off state, and when bidirectional thyristor is in the conduction state, the electric capacity of each times of die block with
And inductance L1 is series relationship to electrochemical capacitor E4 and power load modules.
Preferably, described switching tube S1 is N-channel MOS FET device, 600V, 25A/100 DEG C.
Compared with prior art, the present invention has a following beneficial effect:
1, the rated voltage that in the DC voltage booster circuit that the present invention provides, the switching tube of times die block is subjected to is less than
The peak value of input voltage, far below output voltage, circuit performance is more reliable and more stable.
2, the novel DC voltage booster circuit that the present invention provides can meet different grades of electricity by increasing a times die block
Pressure demand, voltage gain is high.
3, the novel DC voltage booster circuit that the present invention the provides regulation by Boost circuit module, can generate continuously
High direct voltage.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the further feature of the present invention,
Purpose and advantage will become more apparent upon:
Fig. 1 is 3 grades of DC voltage booster circuit structural representations；
Fig. 2 is n+1 level DC voltage booster circuit structural representation.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following example will assist in those skilled in the art
Member is further appreciated by the present invention, but limits the present invention the most in any form.It should be pointed out that, the common skill to this area
For art personnel, without departing from the inventive concept of the premise, it is also possible to make some changes and improvements.These broadly fall into
Protection scope of the present invention.
The novel DC voltage booster circuit provided according to the present invention, including: DC source, times die block, Boost
Circuit module and load blocks；Multiple times of die blocks are charged by described DC source, when voltage reaches to set
After value, described times die block provides the DC voltage of boosted process by Boost circuit module to load blocks.
Described times of die block includes: electric capacity, the first unidirectional thyristor, the second unidirectional thyristor, bidirectional thyristor；
The positive pole of described electric capacity constitutes the positive charging end of times die block, and the negative pole of electric capacity constitutes the negative charging end of times die block；
The positive pole of electric capacity is respectively connecting to the anode of the anode of the first unidirectional thyristor, bidirectional thyristor；Described first unidirectional
The negative pole of IGCT constitutes the first outfan of times die block, and the negative pole of electric capacity is connected to the moon of the second unidirectional thyristor
Pole, the anode of described second unidirectional thyristor is connected to the negative electrode of bidirectional thyristor and constitutes the second defeated of times die block
Go out end.
Multiple times of die blocks are followed in series to form the first outfan of multistage times of die block, i.e. upper level times die block even
Connecing the positive charging end of next stage times die block, the second outfan of upper level times die block connects next stage times die block
Negative charging end.
The positive charging end of primary times die block is connected to the positive pole of DC source, the negative charging of described primary times die block
End is connected to the negative pole of DC source；First outfan of final stage times die block is connected to the of Boost circuit module
One input, the second outfan of described final stage times die block is front of motor, and is not connected with other modules.
Described Boost circuit module includes: inductance L1, diode D1, switching tube S1, electrochemical capacitor E4, institute
The one end stating inductance L1 constitutes the first input end of Boost circuit module, and the other end of described inductance L1 connects respectively
Being connected to the positive pole of diode D1, the drain electrode of switching tube S1, the negative pole of described diode is connected to electrochemical capacitor E4
Positive pole and constitute the first outfan of Boost circuit module, the negative pole of described electrochemical capacitor E4 is respectively connecting to out
Close the source electrode of pipe S1, the negative pole of DC source and constitute the second outfan of Boost circuit module；Described Boost
First outfan of circuit module, the second outfan are respectively connecting to the two ends of load blocks.
When the first unidirectional thyristor in each times of die block, the second unidirectional thyristor are in the conduction state and two-way
When IGCT, switching tube S1 are in cut-off state, DC source is to electricity in parallel relationship in each times of die block
Appearance is charged；When the first unidirectional thyristor in each times of die block, the second unidirectional thyristor are in cut-off state,
And bidirectional thyristor, switching tube S1 in the conduction state time, the electric capacity of each times of die block is series relationship right
Inductance L1 charges；As the first unidirectional thyristor in each times of die block, the second unidirectional thyristor, switching tube S1
It is in cut-off state, and when bidirectional thyristor is in the conduction state, the electric capacity of each times of die block and inductance L1
In series relationship and to electrochemical capacitor E4 and power load modules.
Described switching tube S1 is N-channel MOS FET device, 600V, 25A/100 DEG C.
Specifically, as it is shown in figure 1, be the DC voltage booster circuit of three grades, a times die block is capable of three grades of DC boosting,
Boost circuit module can boost and make output voltage continuous, including a power diode D1, an electricity again
Sense L1, N-channel MOS FET S1, four unidirectional thyristor TH1-TH4, two bidirectional thyristors
BTH1-BTH2, four electrochemical capacitor E1～E4, load resistance RL, wherein:
The positive pole of electrochemical capacitor E1 is connected to the anode of IGCT TH1, BTH1 and constitutes the just charging of times die block
End, the negative pole of E1 is connected to the negative electrode of IGCT TH2 and constitutes the negative charging end of times die block；IGCT TH1
Negative electrode be connected to the positive pole of electrochemical capacitor E2, the anode of IGCT TH3 and BTH2；The sun of IGCT TH2
Pole is connected with negative electrode, the negative electrode of electrochemical capacitor E2 of IGCT BTH1 and TH4；The negative electrode of IGCT TH3 with
The positive pole of electrochemical capacitor E3, inductance L1 are connected；The negative pole of electrochemical capacitor E3 be connected to IGCT TH4 anode,
The negative electrode of IGCT BTH2；
The other end of inductance L1 is connected with drain electrode, the anode of power diode D1 of MOSFET S1, power two
The negative electrode of pole pipe D1 is connected with the positive pole of electrochemical capacitor E4, one end of load, the source electrode of MOSFET S1 and electricity
Solve the negative pole of electric capacity E4, the other end of load is connected, and is connected to form back with the negative charging end of primary times die block
Road.
The type selecting of each components and parts above-mentioned in this example:
Power supply: DC source 30V；
Bearing power: 8.1W,
Inductance (L1): 600V, 3300 μ H；
Power diode (D1): 600V, 25A/100 DEG C；
Unidirectional thyristor (TH1-TH4) and bidirectional thyristor (BTH1-BTH2): 600V, 25A/100 DEG C；
Electrochemical capacitor (E1～E4): 600V, 3300 μ F, plug-in unit, for energy storage and multiplication of voltage；
MOSFET (S1): 600V, 25A/100 DEG C, for the switching of Boost circuit；
Load resistance (RL): 1k Ω/100 DEG C, 10W；
During whole circuit specific works:
Connect DC source (30V), conducting thyristor TH1-TH4, turn off unidirectional thyristor BTH1-BTH2,
Electrochemical capacitor E1～E3 is charged by DC source, after charging complete, and cutoff thyristor TH1-TH4, turn on two-way crystalline substance
Brake tube BTH1-BTH2, electrochemical capacitor E1, bidirectional thyristor BTH1, electrochemical capacitor E2, bidirectional thyristor BTH2,
Electrochemical capacitor E3 forms series connection, and to induction charging during MOSFET S1 conducting, after disconnection, electrochemical capacitor voltage is with anti-
To inductive drop series connection, provide to energy storage electrochemical capacitor E4, load resistance RL and be multiple times than the high pressure of capacitance voltage
Output.By adjusting IGCT and the make-and-break time of MOSFET, the output of continuous print voltage can be generated.
The operation principle of multistage DC voltage booster circuit is basically identical with the operation principle of three grades of DC voltage booster circuits.
Present invention could apply to a series of needs such as electric motor car electric power system, wireless power transmission equipment secondary voltage-regulating system
The field of DC level conversion, it is possible to many times of DC boosting functions, have the voltage that switching tube is subjected to low, can
Modularity, the advantages such as continuous print output voltage can be generated.
Above the specific embodiment of the present invention is described.It is to be appreciated that the invention is not limited in
Stating particular implementation, those skilled in the art can make a variety of changes within the scope of the claims or revise,
This has no effect on the flesh and blood of the present invention.In the case of not conflicting, in embodiments herein and embodiment
Feature can arbitrarily be mutually combined.
Claims (7)
1. a novel DC voltage booster circuit, it is characterised in that including: DC source, times die block, Boost
Circuit module and load blocks；Multiple times of die blocks are charged by described DC source, when voltage reaches to set
After value, described times die block provides the DC voltage of boosted process by Boost circuit module to load blocks.
Novel DC voltage booster circuit the most according to claim 1, it is characterised in that described times of die block includes:
Electric capacity, the first unidirectional thyristor, the second unidirectional thyristor, bidirectional thyristor；The positive pole of described electric capacity constitutes multiplication of voltage
The positive charging end of module, the negative pole of electric capacity constitutes the negative charging end of times die block；The positive pole of electric capacity is respectively connecting to
The anode of one unidirectional thyristor, the anode of bidirectional thyristor；The negative pole of described first unidirectional thyristor constitutes times pressing mold
First outfan of block, the negative pole of electric capacity is connected to the negative electrode of the second unidirectional thyristor, described second unidirectional thyristor
Anode be connected to bidirectional thyristor negative electrode and constitute times die block the second outfan.
Novel DC voltage booster circuit the most according to claim 1, it is characterised in that multiple times of die blocks are successively
First outfan of multistage times of die block in series, i.e. upper level times die block is just connecting next stage times die block
Charging end, the second outfan of upper level times die block connects the negative charging end of next stage times die block.
Novel DC voltage booster circuit the most according to any one of claim 1 to 3, it is characterised in that primary
The positive charging end of times die block is connected to the positive pole of DC source, and the negative charging end of described primary times die block is connected to
The negative pole of DC source；First outfan of final stage times die block is connected to the first input end of Boost circuit module,
Second outfan of described final stage times die block is front of motor.
Novel DC voltage booster circuit the most according to claim 4, it is characterised in that described Boost circuit mould
Block includes: inductance L1, diode D1, switching tube S1, electrochemical capacitor E4, and one end of described inductance L1 is constituted
The first input end of Boost circuit module, the other end of described inductance L1 be respectively connecting to the positive pole of diode D1,
The drain electrode of switching tube S1, the negative pole of described diode is connected to the positive pole of electrochemical capacitor E4 and constitutes Boost circuit
First outfan of module, the negative pole of described electrochemical capacitor E4 is respectively connecting to the source electrode of switching tube S1, unidirectional current
The negative pole in source also constitutes the second outfan of Boost circuit module；First outfan of described Boost circuit module,
Second outfan is respectively connecting to the two ends of load blocks.
Novel DC voltage booster circuit the most according to claim 5, it is characterised in that when in each times of die block
The first unidirectional thyristor, the second unidirectional thyristor in the conduction state, and at bidirectional thyristor, switching tube S1
When cut-off state, electric capacity in parallel relationship in each times of die block is charged by DC source；When each times
The first unidirectional thyristor in die block, the second unidirectional thyristor are in cut-off state, and bidirectional thyristor, switch
When pipe S1 is in the conduction state, the electric capacity of each times of die block is series relationship and charges inductance L1；When each
The first unidirectional thyristor in times die block, the second unidirectional thyristor, switching tube S1 are in cut-off state, and double
When IGCT is in the conduction state, the electric capacity of each times of die block and inductance L1 are series relationship to electrolysis
Electric capacity E4 and power load modules.
Novel DC voltage booster circuit the most according to claim 5, it is characterised in that described switching tube S1 is N
Trench MOSFET device, 600V, 25A/100 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298275.7A CN105915047A (en) | 2016-05-06 | 2016-05-06 | Novel direct current boosted circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298275.7A CN105915047A (en) | 2016-05-06 | 2016-05-06 | Novel direct current boosted circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105915047A true CN105915047A (en) | 2016-08-31 |
Family
ID=56748658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610298275.7A Pending CN105915047A (en) | 2016-05-06 | 2016-05-06 | Novel direct current boosted circuit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788371A (en) * | 2016-12-23 | 2017-05-31 | 深圳市超力源科技有限公司 | A kind of low-voltage, high-current controls circuit |
| CN108711907A (en) * | 2018-06-06 | 2018-10-26 | 华中科技大学 | A kind of high-power charge-discharge circuit |
| CN110336340A (en) * | 2019-05-15 | 2019-10-15 | 新誉轨道交通科技有限公司 | Lithium battery charging system and working method |
| CN110445208A (en) * | 2019-08-05 | 2019-11-12 | 维沃移动通信有限公司 | A kind of charging circuit and terminal |
| CN111697826A (en) * | 2020-06-02 | 2020-09-22 | 上海交通大学 | Parallel charging and serial discharging type high-power booster circuit and control method thereof |
| CN115940641A (en) * | 2023-03-09 | 2023-04-07 | 深圳市恒运昌真空技术有限公司 | Boost converter |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106788371A (en) * | 2016-12-23 | 2017-05-31 | 深圳市超力源科技有限公司 | A kind of low-voltage, high-current controls circuit |
| CN108711907A (en) * | 2018-06-06 | 2018-10-26 | 华中科技大学 | A kind of high-power charge-discharge circuit |
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| CN110336340A (en) * | 2019-05-15 | 2019-10-15 | 新誉轨道交通科技有限公司 | Lithium battery charging system and working method |
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| CN110445208A (en) * | 2019-08-05 | 2019-11-12 | 维沃移动通信有限公司 | A kind of charging circuit and terminal |
| CN111697826A (en) * | 2020-06-02 | 2020-09-22 | 上海交通大学 | Parallel charging and serial discharging type high-power booster circuit and control method thereof |
| CN111697826B (en) * | 2020-06-02 | 2021-08-31 | 上海交通大学 | Parallel charging and serial discharging type high-power booster circuit and control method thereof |
| CN115940641A (en) * | 2023-03-09 | 2023-04-07 | 深圳市恒运昌真空技术有限公司 | Boost converter |
| CN115940641B (en) * | 2023-03-09 | 2023-06-09 | 深圳市恒运昌真空技术有限公司 | Boost converter |
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