CN107980201A - A kind of rectification circuit and DC-DC converter - Google Patents
A kind of rectification circuit and DC-DC converter Download PDFInfo
- Publication number
- CN107980201A CN107980201A CN201780002384.2A CN201780002384A CN107980201A CN 107980201 A CN107980201 A CN 107980201A CN 201780002384 A CN201780002384 A CN 201780002384A CN 107980201 A CN107980201 A CN 107980201A
- Authority
- CN
- China
- Prior art keywords
- rectification circuit
- transformer
- switching tube
- converter
- converters
- 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.)
- Pending
Links
Classifications
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal 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
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal 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
-
- 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
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
-
- 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
A kind of rectification circuit and DC dc converter, rectification circuit is applied to DC DC DC/DC converters, rectification circuit includes transformer (101), switching tube (102), capacitance (103) and load impedance (104), the cathode of cathode connection load impedance and the cathode of capacitance of the secondary coil of transformer；The drain electrode of the anode connecting valve pipe of the secondary coil of transformer；The metal shell (105) of the source electrode connection DC/DC converters of switching tube；The anode of metal shell connection load impedance and the anode of capacitance of DC/DC converters；The grid access pulse width modulation (PWM) signal of switching tube.The rectification circuit can reduce the volume of DC dc converter, reduce line loss.
Description
Technical field
The present invention relates to energy technology field, and in particular to a kind of rectification circuit and DC-DC converter.
Background technology
In recent years, developing rapidly with new-energy automobile industry, high-power high voltage power battery are widely adopted, big work(
The voltage of rate high voltage power battery is generally the DC voltage of 100-750V, and the supply voltage that vehicle arrangement needs often exists
Between 12-30V, in order to meet the supply voltage demand of vehicle arrangement, generally using DC-DC (English：Direct
Current/Direct Current, DC/DC) high voltage (100-750V) is converted to low-voltage (12-30V) by converter, by
In vehicle arrangement power generally between 1KW-6KW, the output currents of DC/DC converters is generally 400A or so, output electricity
Flow larger.In big current loop, in order to reduce line impedance as far as possible, line loss, the generally positive and negative anodes in output are reduced
Copper bar is installed in circuit, electric current is walked by copper bar.Although line loss, copper bar can be effectively reduced by the way of copper bar
Cost is higher, and manufacturing process is more complicated, and volume is larger.
The content of the invention
The embodiment of the present invention provides a kind of rectification circuit and DC-DC converter, it is possible to reduce DC-dc conversion
The volume of device, reduces line loss.
First aspect of the embodiment of the present invention discloses a kind of rectification circuit, applied to DC-DC DC/DC converters, bag
Transformer, switching tube, capacitance and load impedance are included, wherein：
The cathode of the secondary coil of the transformer connects the cathode of the load impedance and the cathode of the capacitance；
The anode of the secondary coil of the transformer connects the drain electrode of the switching tube；
The source electrode of the switching tube connects the metal shell of the DC/DC converters；
The metal shell of the DC/DC converters connects the anode of the load impedance and the anode of the capacitance；
The grid access pulse width modulation (PWM) signal of the switching tube.
On the other hand the embodiment of the present invention discloses a kind of DC-DC converter, including transformer, switching tube, aluminium base
Plate and metal base plate, wherein：
The aluminum substrate is set on the metal base plate；
Several blind holes are opened up on the aluminum substrate and the metal base plate, the aluminum substrate leads to the metal base plate
The screw crossed in several described blind holes is fixedly connected；The drain electrode of the switching tube connects the negative of the transformer
Pole, the source electrode of the switching tube connect the aluminum substrate, and the output negative pole of the DC-DC converter connects the metal bottom
Plate, the output cathode of the DC-DC converter connect the cathode of the transformer, the grid access pulse of the switching tube
Width modulated pwm signal.
Rectification circuit in the embodiment of the present invention is applied to DC-DC DC/DC converters, including transformer, switching tube,
Capacitance and load impedance, the cathode of cathode connection load impedance and the cathode of capacitance of the secondary coil of transformer；Transformer
The drain electrode of the anode connecting valve pipe of secondary coil；The metal shell of the source electrode connection DC/DC converters of switching tube；DC/DC becomes
The anode of metal shell connection load impedance and the anode of capacitance of parallel operation；The grid access pulse width modulation (PWM) of switching tube
Signal.Rectification circuit in the embodiment of the present invention, as output negative pole, can be saved using the metal shell of DC-DC converter
Fall output negative pole copper bar, reduce the volume of DC-DC converter, due to using copper bar output loop more using metal shell ratio
It is short, line loss can be reduced.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram of rectification circuit disclosed by the embodiments of the present invention；
Fig. 2 is a kind of pwm signal schematic diagram disclosed by the embodiments of the present invention；
Fig. 3 is a kind of structure diagram of DC-DC converter disclosed by the embodiments of the present invention.
Embodiment
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu, be fully described by.
It is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, sheet
The every other embodiment that field those of ordinary skill is obtained on the premise of creative work is not made, should all belong to
The scope of protection of the invention.
For ease of description, may be used herein such as " ... under ", " ... below ", " under ", " ... on ", " on "
An element as illustrated in the drawing or feature and another (a little) element or the relation of feature are described Deng space relative terms.
It is appreciated that when an element or layer be referred to as another element or layer " on ", " being connected to " or " being couple to " another element or
During layer, it can directly on another element or layer, be directly connected to or be couple to another element or layer, or there may be residence
Between element or layer.
It is appreciated that terminology used here is merely to description specific embodiment, is not intended to limit the present invention.Herein
In use, clearly stating unless the context otherwise, otherwise singulative " one " and "the" are also intended to including plural form.Further
Ground, when in the present specification in use, term " comprising " and/or "comprising" show the feature, entirety, step, element and/or
The presence of component, but be not excluded for other one or more features, entirety, step, element, component and/or presence of its combination or
Increase.For specification subsequent descriptions to implement the better embodiment of the present invention, so description is to illustrate that the present invention's is general
For the purpose of principle, the scope of the present invention is not limited to.Protection scope of the present invention, which is worked as, regards appended claims institute defender
Subject to.
The embodiment of the present invention provides a kind of rectification circuit and DC-DC converter, it is possible to reduce DC-dc conversion
The volume of device, reduces line loss.It is described in detail individually below.
Referring to Fig. 1, Fig. 1 is a kind of structure diagram of rectification circuit disclosed by the embodiments of the present invention.As shown in Figure 1,
Rectification circuit described in the present embodiment, applied to DC-DC DC/DC converters, including transformer 101, switching tube
102nd, capacitance 103 and load impedance 104, wherein：
The cathode of cathode connection load impedance 104 and the cathode of capacitance 103 of the secondary coil of transformer 101；
The drain electrode of the anode connecting valve pipe 102 of the secondary coil of transformer 101；
The metal shell 105 of the source electrode connection DC/DC converters of switching tube 102；
The metal shell 105 of DC/DC converters connects the anode of load impedance 104 and the anode of capacitance 103；
The grid access pulse width modulation (PWM) signal of switching tube 102.
In the embodiment of the present invention, the primary coil connection high voltage power battery of transformer 101, the output of high voltage power battery
Voltage is generally the DC voltage of 100-750V, and by setting the number of turn of primary coil and secondary coil, transformer 101 can incite somebody to action
The high voltage of primary coil input is converted to low-voltage (for example, 14V) and is exported from secondary coil, and the cathode connection of secondary coil is negative
Carry the cathode of impedance 104 and the cathode of capacitance 103；Wherein, capacitance 103 is used to store up the direct current that isolating transformer 101 exports
Can and it filter.The drain electrode of the anode connecting valve pipe 102 of the secondary coil of transformer 101；The source electrode connection DC/ of switching tube 102
The metal shell 105 of DC converters, metal shell 105 have the advantages that thickness is thin, and area is larger, and resistance is small, metal shell 105
Allow by high current, since equivalent resistance is small, line impedance is also smaller.Metal shell 105 can be by gold such as silver, copper, aluminium, iron
Belong to or alloy forms.The metal shell 105 of DC/DC converters connects the anode of load impedance 104 and the secondary of transformer 101
The anode of coil.
The grid access pulse width modulation (PWM) signal of switching tube 102.The output current of rectification circuit can pass through switch
The pwm signal of the grid access of pipe 102 controls.Switching tube 102 in the embodiment of the present invention is used for rectification, and switching tube 102 can
Think diode, or metal-oxide-semiconductor, wherein, in Fig. 1 by taking metal-oxide-semiconductor as an example, metal-oxide-semiconductor can be NMOS tube, PMOS tube etc..
Using the rectification circuit shown in Fig. 1, the anode output of rectification circuit uses metal shell 105, can save rectification
Circuit anode output used in copper bar, reduce DC/DC converters volume, while cause output loop compared with for copper bar more
It is short, line loss can be reduced.
In one embodiment, rectification circuit adjusts the electric current of rectification circuit according to the duty cycle of pwm signal；Wherein, PWM
The duty cycle of signal is higher, and the electric current of rectification circuit is bigger.Pwm signal can be produced by pwm chip.
For example, referring to Fig. 2, Fig. 2 is a kind of pwm signal schematic diagram disclosed by the embodiments of the present invention, such as Fig. 2 institutes
Show, the duty cycle of the pwm signal above Fig. 2 is that the duty cycle of the pwm signal below 80%, Fig. 2 is 40%.If rectification circuit is defeated
The maximum current gone out is 400A, and switching tube 102 is NMOS tube, when the duty cycle of pwm signal is 80%, rectification circuit output
Actual current be 400A*80%=320A, when the duty cycle of pwm signal is 40%, and switching tube 102 is NMOS tube, whole
The actual current of current circuit output is 400A*40%=160A, and when the duty cycle of pwm signal is other values, rectification circuit is defeated
The actual current gone out can with and so on.
The embodiment of the present invention can adjust the output current of rectification circuit by adjusting the duty cycle of pwm signal.
In one embodiment, DC/DC converters are installed on vehicle, the metal shell connection vehicle of DC/DC converters
Metal frame, metal frame connect load impedance anode.The metal shell of DC/DC converters and the metal frame of vehicle connect
After connecing, electric current can be walked by the metal frame of vehicle, in practical applications, further to reduce line loss, usually adopted
DC/DC converters output negative pole is connected with low tension battery anode with bonding or harness.
In one embodiment, transformer is high-frequency isolation transformer.
It can realize that primary and secondary coil electric is isolated using high-frequency isolation transformer, the insulation performance of high-frequency isolation transformer
It is excellent, relatively low safe voltage can be exported from secondary coil, after people touches by the high voltage of input by PWM pulse-width controlleds
It will not get an electric shock.The security of rectification circuit can be improved using high-frequency isolation transformer.
In one embodiment, the metal shell of DC/DC converters is aluminium alloy.Aluminium alloy density is smaller, mechanical strength
It is higher, conduct electricity very well, transmitted available for carrying weight and for high current.
In one embodiment, the metal shell of DC/DC converters includes aluminum substrate and metal base plate.
Metal shell can be made of aluminum substrate and metal base plate, wherein, aluminum substrate is used for connecting valve pipe and transformer,
Metal base plate is used to connect load impedance.
Referring to Fig. 3, Fig. 3 is a kind of structure diagram of DC-DC converter disclosed by the embodiments of the present invention, such as scheme
Shown in 3, which includes transformer 301, switching tube 302, aluminum substrate 303 and metal base plate 304, wherein：
Aluminum substrate 303 is set on metal base plate 304；
Several blind holes 305 are opened up on aluminum substrate 303 and metal base plate 304, aluminum substrate 303 is logical with metal base plate 304
The screw 306 crossed in several blind holes 305 is fixedly connected；The drain electrode connection transformer 301 of switching tube 302 is born
Pole, the source electrode connection aluminum substrate of switching tube 302, the output negative pole connection metal base plate 304 of DC-DC converter, direct current-straight
The cathode of the output cathode connection transformer 301 of current converter, the grid access pulse width modulation (PWM) signal of switching tube 302.
Switching tube 302 in the embodiment of the present invention can be metal-oxide-semiconductor, such as NMOS tube, PMOS tube etc..
In the embodiment of the present invention, high voltage direct current is depressured by transformer 301 (for example, high-frequency isolation transformer), switch
After 302 rectification of pipe, the relatively low direct current of voltage is obtained.Output current loop includes：Cathode, the output cathode of transformer 301
Copper bar A, load, output negative pole B, aluminum substrate 303 and metal base plate 304, switching tube 302, the anode of transformer 301.Direct current-straight
The method that the output negative pole B of current converter is integrated using aluminum substrate 303 with metal base plate 304, has the following advantages that：1st, need not
Installation anode copper bar, both save Material Cost, also further reduces volume；2nd, with the whole metal of DC-DC converter
For shell as anode, equivalent resistance is extremely low, further reduces loss, improves efficiency；3rd, aluminum substrate 303 is pacified by screw 306
On metal base plate 304, using the method for screw fixation, simple production process.
In one embodiment, DC-DC converter adjusts DC-DC converter according to the duty cycle of pwm signal
Output current；Wherein, the duty cycle of pwm signal is higher, and the output current of DC-DC converter is bigger.
The embodiment of the present invention can adjust the output current of rectification circuit by adjusting the duty cycle of pwm signal.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example ", " some examples " or similar " first embodiment " etc. mean to combine the specific features of the embodiment or example description,
Structure, material or feature are contained at least one embodiment of the present invention or example.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
Unit in terminal of the embodiment of the present invention can be combined, divided and deleted according to actual needs.
A kind of rectification circuit and DC-DC converter provided above the embodiment of the present invention has carried out detailed Jie
Continue, specific case used herein is set forth the principle of the present invention and embodiment, and the explanation of above example is only
It is the method and its core concept for being used to help understand the present invention；Meanwhile for those of ordinary skill in the art, according to this hair
Bright thought, there will be changes in specific embodiments and applications, in conclusion this specification content should not manage
Solve as limitation of the present invention.
Claims (8)
- A kind of 1. rectification circuit, applied to DC-DC DC/DC converters, it is characterised in that including transformer, switching tube, electricity Appearance and load impedance, wherein：The cathode of the secondary coil of the transformer connects the cathode of the load impedance and the cathode of the capacitance；The anode of the secondary coil of the transformer connects the drain electrode of the switching tube；The source electrode of the switching tube connects the metal shell of the DC/DC converters；The metal shell of the DC/DC converters connects the anode of the load impedance and the anode of the capacitance；The grid access pulse width modulation (PWM) signal of the switching tube.
- 2. rectification circuit according to claim 1, it is characterised in that the rectification circuit is according to the duty of the pwm signal Than the electric current for adjusting the rectification circuit；Wherein, the duty cycle of the pwm signal is higher, and the electric current of the rectification circuit is bigger.
- 3. rectification circuit according to claim 2, it is characterised in that the DC/DC converters are installed on vehicle, described The metal shell of DC/DC converters connects the metal frame of the vehicle, and the metal frame connects the negative of the load impedance Pole.
- 4. rectification circuit according to claim 3, it is characterised in that the transformer is high-frequency isolation transformer.
- 5. rectification circuit according to claim 4, it is characterised in that the metal shell of the DC/DC converters closes for aluminium Gold.
- 6. according to claim 1-5 any one of them rectification circuits, it is characterised in that outside the metal of the DC/DC converters Shell includes aluminum substrate and metal base plate.
- A kind of 7. DC-DC converter, it is characterised in that including transformer, switching tube, aluminum substrate and metal base plate, wherein：The aluminum substrate is set on the metal base plate；Several blind holes are opened up on the aluminum substrate and the metal base plate, the aluminum substrate passes through peace with the metal base plate Screw in several described blind holes is fixedly connected；The drain electrode of the switching tube connects the anode of the transformer, institute The source electrode for stating switching tube connects the aluminum substrate, and the output negative pole of the DC-DC converter connects the metal base plate, institute The output cathode for stating DC-DC converter connects the cathode of the transformer, the grid access pulse width of the switching tube Modulation (PWM) signal.
- 8. DC-DC converter according to claim 7, it is characterised in that the DC-DC converter is according to institute The duty cycle for stating pwm signal adjusts the output current of the DC-DC converter；Wherein, the duty cycle of the pwm signal is got over Height, the output current of the DC-DC converter are bigger.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/073370 WO2018145314A1 (en) | 2017-02-13 | 2017-02-13 | Rectifying circuit and direct current/direct current converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107980201A true CN107980201A (en) | 2018-05-01 |
Family
ID=62006172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780002384.2A Pending CN107980201A (en) | 2017-02-13 | 2017-02-13 | A kind of rectification circuit and DC-DC converter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107980201A (en) |
| WO (1) | WO2018145314A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202550865U (en) * | 2012-05-15 | 2012-11-21 | 北京益弘泰科技发展有限责任公司 | Flyback synchronous rectification drive circuit suitable for power supply module |
| CN204145293U (en) * | 2014-10-16 | 2015-02-04 | 重庆长安汽车股份有限公司 | Electric motor car and DC converter thereof |
| CN206490590U (en) * | 2017-02-13 | 2017-09-12 | 上海欣锐电控技术有限公司 | A kind of rectification circuit and DC dc converter |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3280615B2 (en) * | 1998-02-18 | 2002-05-13 | ティーディーケイ株式会社 | Switching power supply |
| CN103368414B (en) * | 2013-07-29 | 2015-09-16 | 上海能能电动车辆有限公司 | A kind of convertor device for motor vehicle drived control |
-
2017
- 2017-02-13 WO PCT/CN2017/073370 patent/WO2018145314A1/en active Application Filing
- 2017-02-13 CN CN201780002384.2A patent/CN107980201A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202550865U (en) * | 2012-05-15 | 2012-11-21 | 北京益弘泰科技发展有限责任公司 | Flyback synchronous rectification drive circuit suitable for power supply module |
| CN204145293U (en) * | 2014-10-16 | 2015-02-04 | 重庆长安汽车股份有限公司 | Electric motor car and DC converter thereof |
| CN206490590U (en) * | 2017-02-13 | 2017-09-12 | 上海欣锐电控技术有限公司 | A kind of rectification circuit and DC dc converter |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018145314A1 (en) | 2018-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105958823B (en) | A kind of quasi- Z source converter circuit of electric current continuous type high-gain boost switching | |
| CN101588139B (en) | High power factor isolated buck-type power factor correction converter | |
| US7551462B2 (en) | Soft switching DC-DC converter including a buck converter and a boost converter sharing a common transformer | |
| Narasimharaju et al. | Design and analysis of coupled inductor bidirectional DC–DC convertor for high-voltage diversity applications | |
| EP2367275B1 (en) | Non-isolated DC - DC converter for solar power plant | |
| CN111130353B (en) | Switching power supply device | |
| KR20040020862A (en) | Tapped-inductor step-down converter | |
| CN107408889A (en) | Power converter | |
| CN110086354A (en) | Single-phase double push-pull booster circuit and step-up method based on silicon carbide MOSFET | |
| US8669749B2 (en) | Switching power supply unit | |
| CN104578772A (en) | Boosting circuit | |
| CN1941589B (en) | Electric power converter circuit | |
| CN106787900B (en) | Boosting gird-connected inverter and its control method | |
| CN206490590U (en) | A kind of rectification circuit and DC dc converter | |
| CN105978322B (en) | A kind of quasi- sources Z DC-DC converter of switching capacity type high-gain | |
| CN108768172B (en) | A kind of high-gain boost converter of continuous input current | |
| JP5813184B1 (en) | DC converter | |
| CN107980201A (en) | A kind of rectification circuit and DC-DC converter | |
| CN115347779A (en) | Synchronous coupling Boost circuit, boost circuit and power supply device | |
| US20080205108A1 (en) | Power Converter Apparatus | |
| CN111786558B (en) | High-efficiency converter with high boosting capacity | |
| CN209709951U (en) | Electric power converter and chip | |
| CN110120749A (en) | Electric power converter and chip | |
| CN100395951C (en) | Power transducer common mode interference inhibiting method | |
| CN211579880U (en) | Inductance model for fuel cell DC converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180501 |