CN205829488U - A kind of Vehicular charger realizes the circuit of DC/DC translation function - Google Patents
A kind of Vehicular charger realizes the circuit of DC/DC translation function Download PDFInfo
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- CN205829488U CN205829488U CN201620786266.8U CN201620786266U CN205829488U CN 205829488 U CN205829488 U CN 205829488U CN 201620786266 U CN201620786266 U CN 201620786266U CN 205829488 U CN205829488 U CN 205829488U
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- 238000013519 translation Methods 0.000 title claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 10
- 230000005611 electricity Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Dc-Dc Converters (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of Vehicular charger and realize the circuit of DC/DC translation function, control circuit, current rectifying and wave filtering circuit and DC/DC conversion electric power circuit is driven including circuit for charging machine, DC/DC, by increasing an auxiliary winding on former main transformer, in the case of the main drive circuit in former limit quits work, the modulation of the switching tube by tackling on the rectifier tube of limit and connect drives, it is achieved that the function of vehicle-mounted DC/DC power supply.This utility model enormously simplify usage amount and the structure member design of device, optimizes the cost of vehicle-mounted integral power supply, and circuit theory is simple, reliable, and other function and index on circuit do not affect.
Description
Technical field
This utility model relates to vehicle power field, specifically, being related specifically to a kind of Vehicular charger and realizing DC/DC
The circuit of translation function.
Background technology
In pure electric automobile, Vehicular charger and DC/DC conversion electric power are two important electric components, typically this two
Big parts are that separate configurations is separately mounted in preposition cabin.The most also having part new construction is that integration both using is tied
Structure, will be arranged in same housing by the two independent electrical design parts of set.This mode can save structural member and distribution
Cost, has begun to increasingly obtain the accreditation of car load producer.But adopt the electronics within unitary member in this way
Number of parts is greatly increased, and improves cost, and structure relative compact brings manufacturing process complicated, and the reliability of complete machine is caused one
Fixed impact.
Utility model content
The purpose of this utility model is for deficiency of the prior art, it is provided that a kind of Vehicular charger realizes DC/DC
The circuit of translation function, to solve the problems referred to above.
This utility model is solved the technical problem that to realize by the following technical solutions:
A kind of Vehicular charger realizes the circuit of DC/DC translation function, drives control electricity including circuit for charging machine, DC/DC
Road, current rectifying and wave filtering circuit and DC/DC conversion electric power circuit, circuit for charging machine includes current rectifying and wave filtering circuit, the charging being sequentially connected with
Owner's on-off circuit, main transformer, rectification and output filter circuit, DC/DC conversion electric power circuit includes the output being sequentially connected with
Filter circuit, DC/DC main circuit switch pipe circuit, main transformer, DC/DC drive control circuit and current rectifying and wave filtering circuit.
Further, described AC/DC rectification circuit includes that rectifier tube D3, D4, DC/DC main circuit switch pipe circuit include out
Close pipe KS1, KS2 to be parallel to respectively on rectifier tube D3, D4.
Further, the two ends of described DC/DC power circuit connect electrokinetic cell and low-voltage electrical apparatus respectively.
Further, the two ends of described circuit for charging machine connect civil power input and electrokinetic cell respectively.
Further, also include that a branch road of MCU, MCU test side connects circuit for charging machine by main driving control circuit,
Another branch road of MCU test side drives control circuit to connect DC/DC conversion electric power circuit by DC/DC；The outfan of MCU passes through
Connection status display module composition car-mounted display unit.
Further, described DC/DC output circuit includes assisting winding NS2, rectifying device D1, D2 and inductance L1, passes through
The feedback control of output voltage is realized stable output.
Further, described driving control circuit includes pwm chip IC1 and peripheral components.
Compared with prior art, the beneficial effects of the utility model are as follows:
By using the principle of bi-directional energy flow, when charger quits work, pay on the rectifier tube of limit and connect one
Switch tube is driven by independent pwm signal, so that it may so that the electric energy reverse flow of electrokinetic cell, only need to add on former main transformer
One low pressure output isolated windings, it is possible to realizing the function of vehicle-mounted DC/DC power supply, electronic component quantity is few, and working stability can
Lean on.This utility model solves the completely self-contained two set circuit of employing to realize former Vehicular charger and the merit of DC/DC changer
Can, enormously simplify usage amount and the structure member design of device, optimize the cost of vehicle-mounted integral power supply, and circuit theory letter
Single, reliable, other function and index on circuit do not affect.
Accompanying drawing explanation
Fig. 1 is the structured flowchart that Vehicular charger described in the utility model realizes the circuit of DC/DC translation function.
Fig. 2 is the circuit diagram that Vehicular charger described in the utility model realizes the circuit of DC/DC translation function.
Detailed description of the invention
For the technological means making this utility model realize, creation characteristic, reach purpose and be easy to understand with effect, below
In conjunction with detailed description of the invention, this utility model is expanded on further.
Seeing Fig. 1 and Fig. 2, a kind of Vehicular charger described in the utility model realizes the circuit of DC/DC translation function, bag
Include circuit for charging machine, DC/DC drives control circuit, current rectifying and wave filtering circuit, DC/DC current rectifying and wave filtering circuit and MCU.Former charging electromechanics
Road drives control circuit and current rectifying and wave filtering circuit composition DC/DC conversion electric power circuit by connecting DC/DC.Circuit for charging machine includes
Current rectifying and wave filtering circuit, charger main switch circuit, main transformer, rectification and the output filter circuit being sequentially connected with, rectification and driving
Galvanic electricity road includes AC/DC rectification circuit and DC/DC main circuit switch pipe circuit.It is defeated that the two ends of circuit for charging machine connect civil power respectively
Enter and electrokinetic cell.DC/DC conversion electric power circuit includes output filter circuit, the DC/DC main circuit switch pipe electricity being sequentially connected with
Road, main transformer, DC/DC drive control circuit and current rectifying and wave filtering circuit.The two ends of DC/DC conversion electric power circuit connect dynamic respectively
Power battery and low-voltage electrical apparatus.
One branch road of MCU test side connects circuit for charging machine, another branch road of MCU test side by main driving control circuit
Control circuit is driven to connect DC/DC conversion electric power circuit by DC/DC.The outfan of MCU passes through connection status display module group
Become car-mounted display unit.
DC/DC output circuit includes assisting winding NS2, rectifying device D1, D2 and inductance L1, anti-by output voltage
The output that feedback control realization is stable.
AC/DC rectification circuit includes that rectifier tube D3, D4, DC/DC main circuit switch pipe circuit include that switching tube KS1, KS2 divide
Not parallel connection is located on rectifier tube D3, D4, and is connected with DC/DC drive circuit and pwm control circuit.
Main circuit switch K1, K2 and resonant tank CS, LS and main transformer T1 constitute typical LLC half-bridge main circuit, by
Rectifier tube D3, D4 achieve rectification function.
This utility model passes through to have added pair of switches pipe KS1, KS2 on pair limit rectifier tube D3, D4, and on main transformer
Add an auxiliary winding NS2 and follow-up rectifying device D1, D2 and inductance L1, complete the DC/DC PWM master of a standard
Circuit architecture, by can be achieved with stable output to the feedback control of output voltage V2.
Do not produce conflict in order to ensure two ways work, MCU come respectively to LLC main control electricity according to functional requirement
Road and PWM controller enable.
For avoiding when " charged state " works the unstable voltage of DC/DC output to impact low-voltage electrical apparatus, MCU will be
This state closes low-voltage output V2 by enabling switch.
Having some Vehicular power systems to be also required to when charged state has a low power DC/DC to meet low-voltage electrical apparatus
Part specific function demand, only enabling switch ends and the most low power DC/DC need to be met just can meet this requirement.
Auxiliary winding NS2 can be according to DC/DC output voltage, and source fluctuation (the output pulsation scope of the most former charger) is counted
Calculate the number of turn that the number of turn is when required.This Computing Principle and general DC/DC are the same.
The other types PWM main circuit that charger is used, owing to its filter inductance is generally placed upon main circuit outlet side,
Thus can share a filter inductance, i.e. DC/DC part avoids the need for adding filter inductance again, setting of its additional winding
Meter can consider according to actual topological structure.If filter inductance is placed on side, former limit, such as cascade BUCK-
PUSHPULL circuit, then handling principle and mode and LLC main circuit are basically identical.
The turns calculations process of auxiliary winding NS2 is as follows:
1) set circuit for charging machine main winding number of turn N1, output minimum voltage V3, the highest even charging voltage V4, charging owner open
The rated output voltage that maximum output duty cycle is Dm, DC/DC conversion electric power circuit closing circuit is V2.According to general normal shock
The operation principle of (recommending) pwm converter, it may be determined that:
2) in view of circuit for charging machine when charged state, output voltage can peak V4, now DC/DC conversion electricity
The voltage of source circuit may be up to:
MCU realizes including pwm chip IC1 and enabling the control of circuit.Circuit for charging machine and DC/DC are turned by it
The control logic changing power circuit is as follows:
1) when circuit for charging machine works, MCU output control signal pwm chip IC1 is made not export driving letter
Number, switching tube KS1, KS2 do not work；Rectification work is completed by rectifying device D1, D2.If the conduction voltage drop of rectifying device is more than
The body diode of switch metal-oxide-semiconductor, then can be by KS1, and KS2 replaces the work of D1, D2.
2) when DC/DC conversion electric power circuit works, MCU drives and stops the work of charger main switch circuit；By PWM control
Chip IC 1 outfan PWM pulse-width signal, drives switching tube KS1, KS2 to complete push-pull circuit work.
For using DSP technology to realize the circuit for charging machine of main circuit and feedback control, it is achieved above control principle
Mode the most how, only just need to can complete above control function according to principles above establishment and amendment related software.
Of the present utility model ultimate principle and principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model
Claimed scope is defined by appending claims and equivalent thereof.
Claims (7)
1. a Vehicular charger realizes the circuit of DC/DC translation function, it is characterised in that: include that circuit for charging machine, DC/DC drive
Dynamic control circuit, current rectifying and wave filtering circuit and DC/DC conversion electric power circuit, circuit for charging machine includes the rectifying and wave-filtering electricity being sequentially connected with
Road, charger main switch circuit, main transformer, rectification and drive circuit and output filter circuit, rectification and drive circuit include
AC/DC rectification circuit and DC/DC main circuit switch pipe circuit；DC/DC conversion electric power circuit includes the output filtering being sequentially connected with
Circuit, DC/DC main circuit switch pipe circuit, main transformer, DC/DC drive control circuit and current rectifying and wave filtering circuit.
Vehicular charger the most according to claim 1 realizes the circuit of DC/DC translation function, it is characterised in that: described AC/
DC rectification circuit includes rectifier tube D3, D4, and DC/DC main circuit switch pipe circuit packet switch pipe KS1, KS2 parallel connection respectively is located at whole
On flow tube D3, D4.
Vehicular charger the most according to claim 1 realizes the circuit of DC/DC translation function, it is characterised in that: described DC/
The two ends of DC conversion electric power circuit connect electrokinetic cell and low-voltage electrical apparatus respectively.
Vehicular charger the most according to claim 1 realizes the circuit of DC/DC translation function, it is characterised in that fill described in:
The two ends of motor circuit connect civil power input and electrokinetic cell respectively.
Vehicular charger the most according to claim 1 realizes the circuit of DC/DC translation function, it is characterised in that: also include
One branch road of MCU, MCU test side connects circuit for charging machine by main driving control circuit, and another branch road of MCU test side passes through
DC/DC drives control circuit to connect DC/DC conversion electric power circuit；The outfan of MCU forms car by connection status display module
Carry display unit.
The most according to claim 1 or 5, Vehicular charger realizes the circuit of DC/DC translation function, it is characterised in that: described
DC/DC output circuit includes assisting winding NS2, rectifying device D1, D2 and inductance L1, by the feedback control reality to output voltage
The most stable output.
Vehicular charger the most according to claim 5 realizes the circuit of DC/DC translation function, it is characterised in that drive described in:
Dynamic control circuit includes pwm chip IC1 and peripheral components, or uses DSP software to realize feedback control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620786266.8U CN205829488U (en) | 2016-07-21 | 2016-07-21 | A kind of Vehicular charger realizes the circuit of DC/DC translation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620786266.8U CN205829488U (en) | 2016-07-21 | 2016-07-21 | A kind of Vehicular charger realizes the circuit of DC/DC translation function |
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| CN205829488U true CN205829488U (en) | 2016-12-21 |
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| CN201620786266.8U Active CN205829488U (en) | 2016-07-21 | 2016-07-21 | A kind of Vehicular charger realizes the circuit of DC/DC translation function |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623363A (en) * | 2017-09-13 | 2018-01-23 | 嘉善中正新能源科技有限公司 | A kind of consolidation circuit of DC/DC converters and Vehicular charger |
| CN108092517A (en) * | 2018-01-24 | 2018-05-29 | 合肥东胜汽车电子有限公司 | The circuit that a kind of vehicle-mounted charge is connected with DCDC |
| US10946756B2 (en) | 2017-11-14 | 2021-03-16 | Ford Global Technologies, Llc | Bidirectional integrated charger for a vehicle battery |
-
2016
- 2016-07-21 CN CN201620786266.8U patent/CN205829488U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107623363A (en) * | 2017-09-13 | 2018-01-23 | 嘉善中正新能源科技有限公司 | A kind of consolidation circuit of DC/DC converters and Vehicular charger |
| US10946756B2 (en) | 2017-11-14 | 2021-03-16 | Ford Global Technologies, Llc | Bidirectional integrated charger for a vehicle battery |
| CN108092517A (en) * | 2018-01-24 | 2018-05-29 | 合肥东胜汽车电子有限公司 | The circuit that a kind of vehicle-mounted charge is connected with DCDC |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A circuit for realizing DC/DC conversion function by a vehicle charger Effective date of registration: 20180118 Granted publication date: 20161221 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jiashan county subbranch Pledgor: JIASHAN ZHONGZHENG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: 2018330000021 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190408 Granted publication date: 20161221 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jiashan county subbranch Pledgor: JIASHAN ZHONGZHENG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: 2018330000021 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A circuit for realizing DC/DC conversion function by a vehicle charger Effective date of registration: 20190409 Granted publication date: 20161221 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jiashan county subbranch Pledgor: JIASHAN ZHONGZHENG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: 2019330000101 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20230201 Registration number: 2019330000101 Pledgee after: Agricultural Bank of China Limited Zhejiang Yangtze River Delta integration demonstration zone sub branch Pledgee before: Agricultural Bank of China Limited by Share Ltd. Jiashan county subbranch |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230203 Granted publication date: 20161221 Pledgee: Agricultural Bank of China Limited Zhejiang Yangtze River Delta integration demonstration zone sub branch Pledgor: JIASHAN ZHONGZHENG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: 2019330000101 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A circuit for DC/DC conversion of on-board charger Effective date of registration: 20230206 Granted publication date: 20161221 Pledgee: Agricultural Bank of China Limited Zhejiang Yangtze River Delta integration demonstration zone sub branch Pledgor: JIASHAN ZHONGZHENG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023110000048 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230213 Granted publication date: 20161221 Pledgee: Agricultural Bank of China Limited Zhejiang Yangtze River Delta integration demonstration zone sub branch Pledgor: JIASHAN ZHONGZHENG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023110000048 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A circuit for DC/DC conversion of on-board charger Effective date of registration: 20230216 Granted publication date: 20161221 Pledgee: Agricultural Bank of China Limited Zhejiang Yangtze River Delta integration demonstration zone sub branch Pledgor: JIASHAN ZHONGZHENG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2023110000062 |
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