CN106921206A - The charging module and its control method of a kind of low standby power loss - Google Patents
The charging module and its control method of a kind of low standby power loss Download PDFInfo
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- CN106921206A CN106921206A CN201710296531.3A CN201710296531A CN106921206A CN 106921206 A CN106921206 A CN 106921206A CN 201710296531 A CN201710296531 A CN 201710296531A CN 106921206 A CN106921206 A CN 106921206A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 39
- 238000005070 sampling Methods 0.000 claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 238000002955 isolation Methods 0.000 claims description 16
- 230000009466 transformation Effects 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000004044 response Effects 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
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- H02J7/0027—
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- H02J7/022—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
Abstract
The invention discloses the charging module and its control method of a kind of low standby power loss, exchange input sequentially passes through pfc circuit and DC/DC circuit evolving direct current outputs, the input in the second auxiliary source is connected to the output end of exchange input or pfc circuit, the output end in the second auxiliary source is respectively connecting to the power input of secondary processor circuit, DC/DC sampling drive circuits and communication module, and communication module monitors communication connection with higher level；After higher level's monitoring standby command is received, secondary processor circuit and primary side processor circuit close DC/DC circuits and pfc circuit respectively, and sending enable signal by secondary processor circuit makes the first auxiliary source be stopped, the circuit such as primary side processor circuit and PFC sampling drivings does not produce power consumption, reduce the stand-by power consumption of charging module, in addition, charging module communicates with higher level's monitoring module and will not interrupt, so higher level's monitoring module can continue to keep the status monitoring to charging module, and the meeting quick response when charging module departs from holding state, save the startup time.
Description
Technical field
The invention belongs to charging electric vehicle technical field, and in particular to a kind of charging module of low standby power loss and its control
Method processed.
Background technology
Environment and energy problem promote global video car Industry Quick Development, and charging pile is mended as the energy of electric automobile
To station, future must be popularized as gas station；The core of charging pile is charging module, the charging module structure one of prior art
As shown in figure 1, AC-input voltage after pfc circuit (circuit of power factor correction) by being converted to high-voltage dc voltage, then
By DC/DC circuit conversions be suitable VD to electric automobile power battery charging；Primary side accessory power supply is (i.e. former
Bian Fuyuan) from exchange input or pfc circuit output, be converted to after DC voltage to primary side DSP (digital signal processor cores
Piece) power supply, while powered to PFC correlated samplings and control (i.e. PFC samplings drive) circuit, and the output of primary side accessory power supply is straight
Stream voltage is used to start secondary accessory power supply (i.e. the auxiliary source of secondary), and secondary accessory power supply exports DC voltage and gives secondary DSP circuit
Power supply, while to DC/DC correlated samplings and drive and communication module (such as CAN communication circuit) power supply, when DC/DC direct current outputs
After Voltage Establishment, the DC/DC circuits substitution auxiliary source direct current output of primary side is powered to the auxiliary source of secondary；Higher level's monitoring by CAN communication and
Charging module carries out information gathering and interaction.
When charging pile need not charge, higher level's monitoring can issue standby command, module by CAN communication to charging module
Pfc circuit and DC/DC circuits are stopped during in holding state, but in order to keep with higher level monitor communicate, the auxiliary source of primary side and
The auxiliary source of secondary is constantly in working condition, and power consumption is about 15W when single charging module is standby, the charging module in holding state
More, stand-by power consumption is bigger, and this portion of energy is to be lost in vain, and it is very considerable that accumulation is got up.
The content of the invention
It is high in order to solve the problems, such as the stand-by power consumption that charging module of the prior art is present, it is an object of the invention to provide
The charging module and its control method of a kind of low standby power loss, the standby demand according to charging module are powered to circuit and are torn open
Point, to fractionation after each built-up circuit accordingly controlled, only retain when standby with higher level monitor telecommunication circuit and secondary at
The power supply of device circuit is managed, the pfc circuit and DC/DC circuits closed in main loop of power circuit, and by other nonessential circuits, including
The auxiliary source of primary side, primary side DSP circuit, PFC sampling drive circuits and DC/DC sampling drive circuits etc., power all off, to reduce
Stand-by power consumption.
To achieve these goals, the technical solution adopted by the present invention is that a kind of charging module of low standby power loss is exchanged
Input sequentially passes through pfc circuit and DC/DC circuit evolving direct current outputs, and the power input in the second auxiliary source is connected to exchange input
Or the power take-off of pfc circuit, the power take-off in the second auxiliary source is respectively connecting to secondary processor circuit, DC/DC samplings
The power input of drive circuit and communication module, communication module monitors communication connection with higher level；
Also include the first auxiliary source, the power input in the first auxiliary source is connected to the power take-off in the second auxiliary source, exchanges defeated
The power take-off or the power take-off of pfc circuit for entering, the first auxiliary source power take-off connection primary side processor circuit and
The control signal output of the power input of PFC sampling drive circuits, primary side processor circuit and PFC sampling drive circuits connects
It is connected to the control signal input of pfc circuit；
Wherein, pfc circuit is controlled by primary side processor circuit, and DC/DC circuits are controlled by secondary processor circuit；At secondary
Reason device circuit is communicated to connect with primary side processor circuit, and secondary processor circuit monitors communication link by communication module and higher level
Connect, communication module is entered row information and uploaded and command reception.
The power input in the first auxiliary source by the power take-off in first switch device and the second auxiliary source, exchange what is be input into
The power take-off of power take-off or pfc circuit is connected, and first switch device receives the enable letter of secondary processor circuit
Number switched.
The power input in the first auxiliary source is connected directly to the power take-off in the second auxiliary source, the power output of exchange input
End or the power take-off of pfc circuit, the enable signal input part in the first auxiliary source are connected to pair by voltage transformation isolation circuit
Side processor circuit, the enable signal for receiving the first auxiliary source switch of control.
Second switch device is provided between second auxiliary source and DC/DC sampling drive circuits, secondary processor circuit passes through
Enable the folding that signal controls second switch device.
Switching device is metal-oxide-semiconductor, transistor, relay or light-coupled isolation device.
The communication module is CAN communication, RS485 or ZigBee, and the primary side processor circuit and the secondary are processed
Processor in device circuit is DSP, single-chip microcomputer or ARM.
The present invention also provides a kind of charging module control method of low standby power loss of power, the power input in the second auxiliary source
It is connected to the power output of the power take-off of exchange input or pfc circuit, the power input in the first auxiliary source and the second auxiliary source
The power take-off at end, the power take-off of exchange input or pfc circuit is connected, when secondary processor circuit receives higher level's monitoring
After standby command, secondary processor circuit and primary side processor circuit close DC/DC circuits and pfc circuit respectively, then pass through
Secondary processor circuit sends enable signal and controls the first auxiliary source to be stopped.
The power input in the first auxiliary source by the power take-off in first switch device and the second auxiliary source, exchange what is be input into
The power take-off of power take-off or pfc circuit is connected, secondary after secondary processor circuit receives higher level's monitoring standby command
Side processor circuit sends enable signal and gives first switch device, disconnects first switch device, so as to disconnect the first auxiliary source
The power take-off in input and the second auxiliary source, exchange between the power take-off or the power take-off of pfc circuit of input
Connection, the first auxiliary source is stopped.
The power take-off in the power input in the first auxiliary source and the second auxiliary source, the power take-off or PFC that exchange input
The power take-off of circuit is joined directly together, and the enable signal input part in the first auxiliary source is connected to by voltage transformation isolation circuit
Secondary processor circuit, the signal input part that enables in the first auxiliary source receives the enable signal for controlling the first auxiliary source switch, works as secondary
After processor circuit receives higher level's monitoring standby command, secondary processor circuit sends enable signal, and by voltage transformation every
The enable signal input part port signal in the first auxiliary source is controlled from circuit, so as to control the first auxiliary source to close.
Second switch device is provided between second auxiliary source and DC/DC sampling drive circuits, secondary processor circuit sends
Enable the folding that signal controls second switch device.
Compared with prior art, it is of the invention at least to have the advantages that, it is secondary after higher level's monitoring standby command is received
Side processor circuit and primary side processor circuit close DC/DC circuits and pfc circuit respectively, then by secondary processor circuit
Sending enable signal makes the first auxiliary source be stopped, and primary side processor circuit and PFC sampling drive circuits do not produce power consumption, drop
The stand-by power consumption of low charging module.
Further, secondary DSP circuit sends enable signal, disconnects second switch device, and such DC/DC samplings drive
Circuit is powered disconnection, does not produce power consumption, and charging module stand-by power consumption is further reduced；Implemented by the present invention, charging module is treated
Machine power consumption has to be reduced by a relatively large margin, while secondary DSP circuit and CAN communication etc. are still working on, and higher level's monitoring communication
Remain, meet the standby need of work of charging pile.
When charging module is standby, the present invention increases simple, inexpensive switching device by control circuit, and to tearing open
Each built-up circuit after point is accordingly controlled, you can realize reducing stand-by power consumption, therefore, the side with other reduction stand-by power consumptions
Case is compared, required low cost, and is easily realized；Additionally, when standby, charging module will not be interrupted with the communication of higher level's monitoring module,
So higher level's monitoring module can continue to keep the status monitoring to charging module, and when charging module departs from holding state
Can quick response, saving startup time.
Brief description of the drawings
Fig. 1 is the structural representation of the charging module of prior art；
Fig. 2 is the structural representation of the charging module first embodiment of low standby power loss of the present invention；
Fig. 3 is the structural representation of second embodiment of the invention；
Fig. 4 is the structural representation of third embodiment of the invention；
Fig. 5 is the structural representation of fourth embodiment of the invention.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
In the present invention, exchange input constitutes main power circuit with pfc circuit, DC/DC circuits successively, and other are control
Circuit, the input and output in two auxiliary sources are power signal, two output connections in auxiliary sources be modules power input
End, for modules provide power supply.
First embodiment：As shown in Fig. 2 the input of charging module is alternating current, it is output as being adapted to electric powered motor electricity
The DC voltage in pond, is monitored by CAN communication and higher level and is powered；Charging module includes pfc circuit, DC/DC circuits, primary side DSP
Circuit and PFC samplings drive circuit, secondary DSP circuit and DC/DC samplings driving, CAN communication circuit, the first auxiliary source and second are auxiliary
Source；
AC-input voltage by being converted to high-voltage dc voltage after PFC (PFC) circuit, then by DC/DC
Circuit conversion is the VD that electric automobile power battery needs；
It, from exchange input or pfc circuit output, is that direct current is defeated by isolated variable that second auxiliary source power input is
Go out voltage, the first output end D series connection first switch devices are powered to the first auxiliary source, and the second output end B is supplied to secondary DSP circuit
Electricity, the 3rd output end C connects second switch device to DC/DC samplings and drive circuitry, and the 4th output terminals A is to CAN communication
Circuit is powered, and wherein switching device can be metal-oxide-semiconductor or transistor, or relay or light-coupled isolation device；
Connected between first auxiliary source power input and the power take-off D in the second auxiliary source first switch device, by every
Powered to the circuit such as primary side DSP circuit and PFC sampling drivings from suitable VD is transformed to；
Pfc circuit is controlled by primary side DSP circuit, and DC/DC circuits are controlled by secondary DSP circuit, and secondary DSP circuit and original
Side DSP circuit communication connection, and secondary DSP circuit monitors connection by CAN communication circuit and higher level, enters row information and uploads and connect
Receive instruction；
After higher level's monitoring standby command is received, secondary DSP circuit and primary side DSP circuit close respectively DC/DC circuits and
Pfc circuit, then sends enable signal by secondary DSP circuit, disconnects first switch device, and such first auxiliary source power is defeated
Enter end to be disconnected with the second auxiliary source power output end, the first auxiliary source is stopped, primary side DSP circuit and PFC samplings drive circuit are all
Power consumption is not produced, the stand-by power consumption of charging module is reduced；
In a preferred embodiment of the invention, second is additionally provided between the second auxiliary source and DC/DC sampling drive circuits to open
Device is closed, secondary DSP circuit controls the folding of second switch device by enabling signal, standby command is monitored when higher level is received
Afterwards, secondary DSP circuit sends enable signal, disconnects second switch device, and such DC/DC samplings drive power supply to disconnect, and do not produce
Raw power consumption, charging module stand-by power consumption is further reduced；
By implementing the present invention, charging module stand-by power consumption has to be reduced by a relatively large margin, while secondary DSP circuit and CAN are logical
Letter is still working on, and the communication of higher level's monitoring is remained, meets the standby need of work of charging pile.
Second embodiment：As shown in figure 3, in the present embodiment, the power input in the first auxiliary source directly with the second auxiliary source
Power take-off D connections, and the enable signal of secondary DSP circuit connects the first auxiliary source and controls by voltage transformation isolation circuit
Chip enable port (the enable signal input part in the i.e. first auxiliary source), voltage transformation isolation circuit can by optocoupler or relay every
From electronic device composition；
After charging module receives higher level's monitoring standby command, secondary DSP circuit sends enable signal, by voltage transformation
Isolation circuit changes the first auxiliary source control chip enable port voltage, i.e., control the first auxiliary source by voltage transformation isolation circuit
Enable signal input part port signal so that the first auxiliary source is closed, to reduce stand-by power consumption.
Preferably, secondary DSP circuit sends enable signal, disconnects second switch device, and such DC/DC samplings drive etc.
Power supply is disconnected, and does not produce power consumption, and charging module stand-by power consumption is further reduced；By this implementation, charging module stand-by power consumption has
Reduce by a relatively large margin, while secondary DSP circuit and CAN communication are still working on, and the communication of higher level's monitoring is remained, full
The standby need of work of sufficient charging pile.
3rd embodiment：As shown in figure 4, in the present embodiment, the first auxiliary source power input series connection first switch device
Connection ac input power output end or pfc circuit power take-off, wherein switching device are metal-oxide-semiconductor, transistor, relay
Or light-coupled isolation device；Secondary DSP circuit enables signal control first switch device and turns on and off；
After charging module receives higher level's monitoring standby command, secondary DSP circuit sends enable signal, makes first switch device
Part disconnects, and such first auxiliary source input is stopped with input or pfc circuit output disconnection, the first auxiliary source is exchanged, primary side
DSP circuit and PFC sampling drive circuits do not produce power consumption, reduce the stand-by power consumption of charging module；
Preferably, secondary DSP circuit sends enable signal, disconnects second switch device, and such DC/DC samplings drive and supply
It is electrically disconnected, power consumption is not produced, charging module stand-by power consumption is further reduced；By this implementation, charging module stand-by power consumption have compared with
It is greatly lowered, while secondary DSP circuit and CAN communication etc. are still working on, and the communication of higher level's monitoring is remained, full
The standby need of work of sufficient charging pile.
Fourth embodiment：As shown in figure 5, in the present embodiment, it is defeated that the first auxiliary source power input is directly connected to exchange
Enter power take-off or pfc circuit power take-off, the enable signal of secondary DSP circuit is connected by voltage transformation isolation circuit
Connect the first auxiliary source control chip enable port, voltage transformation isolation circuit by optocoupler or relay group into；
After charging module receives higher level's monitoring standby command, secondary DSP circuit sends enable signal, by voltage transformation
Isolation circuit changes the first auxiliary source control chip enable port voltage, so that the first auxiliary source is closed, to reduce stand-by power consumption；
Meanwhile, secondary DSP circuit sends enable signal, disconnects second switch device, and such DC/DC samplings driving etc. is supplied
It is electrically disconnected, power consumption is not produced, charging module stand-by power consumption is further reduced；By this implementation, charging module stand-by power consumption have compared with
It is greatly lowered, while secondary DSP circuit and CAN communication etc. are still working on, and the communication of higher level's monitoring is remained, full
The standby need of work of sufficient charging pile.
It should be noted that in other embodiments of the invention, CAN communication can also be the communication of other modes, such as
RS485 or ZigBee, primary side DSP circuit and secondary DSP circuit can also use single-chip microcomputer or ARM.
Claims (10)
1. a kind of charging module of low standby power loss, it is characterised in that exchange input sequentially passes through pfc circuit and DC/DC circuits
Generation direct current output, the power input in the second auxiliary source is connected to the power take-off of exchange input or pfc circuit, the second auxiliary source
Power take-off be respectively connecting to secondary processor circuit, DC/DC sampling drive circuit and communication module power input,
Communication module monitors communication connection with higher level；
Also include the first auxiliary source, the power input in the first auxiliary source is connected to the power take-off in the second auxiliary source, exchange and is input into
The power take-off of power take-off or pfc circuit, the power take-off connection primary side processor circuit and PFC in the first auxiliary source are adopted
The control signal output of the power input of sample drive circuit, primary side processor circuit and PFC sampling drive circuits is connected to
The control signal input of pfc circuit；
Wherein, pfc circuit is controlled by primary side processor circuit, and DC/DC circuits are controlled by secondary processor circuit；Secondary processor
Circuit is communicated to connect with primary side processor circuit, and secondary processor circuit monitors communication connection by communication module and higher level, leads to
Letter module is entered row information and is uploaded and command reception.
2. the charging module of a kind of low standby power loss according to claim 1, it is characterised in that the power in the first auxiliary source is defeated
Enter end by the power take-off in first switch device and the second auxiliary source, exchange the work(of the power take-off or pfc circuit being input into
Rate output end is connected, and the enable signal of first switch device reception secondary processor circuit is switched.
3. the charging module of a kind of low standby power loss according to claim 1, it is characterised in that the power in the first auxiliary source is defeated
Enter the power take-off that end is connected directly to the power take-off in the second auxiliary source, the power take-off of exchange input or pfc circuit,
The enable signal input part in the first auxiliary source is connected to secondary processor circuit by voltage transformation isolation circuit, for receiving control
The enable signal of the first auxiliary source switch.
4. a kind of charging module of the low standby power loss according to claim any one of 1-3, it is characterised in that the second auxiliary source
Second switch device is provided between DC/DC sampling drive circuits, secondary processor circuit controls second by enabling signal
The folding of switching device.
5. a kind of charging module of the low standby power loss according to claim any one of 1-3, it is characterised in that switching device
It is metal-oxide-semiconductor, transistor, relay or light-coupled isolation device.
6. the charging module of a kind of low standby power loss according to claim 1-3, it is characterised in that the communication module is
CAN communication, RS485 or ZigBee, processor in the primary side processor circuit and the secondary processor circuit is DSP,
Single-chip microcomputer or ARM.
7. the charging module control method of a kind of low standby power loss, it is characterised in that the power input in the second auxiliary source is connected to
Exchange input or the power take-off of pfc circuit, the power take-off in the power input in the first auxiliary source and the second auxiliary source, exchange
The power take-off of input or the power take-off of pfc circuit are connected,
After secondary processor circuit receives higher level's monitoring standby command, secondary processor circuit and primary side processor circuit are distinguished
DC/DC circuits and pfc circuit are closed, then sending enable signal by secondary processor circuit controls the first auxiliary source to stop work
Make.
8. control method according to claim 7, it is characterised in that the power input in the first auxiliary source passes through first switch
The power take-off of the power take-off in device and the second auxiliary source, the power take-off for exchanging input or pfc circuit is connected,
After secondary processor circuit receives higher level's monitoring standby command, secondary processor circuit sends enable signal and is opened to first
Device is closed, disconnects first switch device, so as to disconnect the input in the first auxiliary source and the power take-off in the second auxiliary source, exchange
Connection between the power take-off of input or the power take-off of pfc circuit, the first auxiliary source is stopped.
9. control method according to claim 7, it is characterised in that the power input in the first auxiliary source and the second auxiliary source
Power take-off, the power take-off of exchange input or the power take-off of pfc circuit are joined directly together, and the first auxiliary source enable
Signal input part is connected to secondary processor circuit by voltage transformation isolation circuit,
The signal input part that enables in the first auxiliary source receives the enable signal for controlling the first auxiliary source switch, when secondary processor circuit is received
To after higher level's monitoring standby command, secondary processor circuit sends enable signal, and controls the by voltage transformation isolation circuit
The enable signal input part port signal in one auxiliary source, so as to control the first auxiliary source to close.
10. the control method according to claim any one of 7-9, it is characterised in that sampled with DC/DC and driven in the second auxiliary source
Second switch device is provided between circuit, secondary processor circuit sends and enables the folding that signal controls second switch device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710296531.3A CN106921206B (en) | 2017-04-28 | 2017-04-28 | Charging module with low standby power consumption and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710296531.3A CN106921206B (en) | 2017-04-28 | 2017-04-28 | Charging module with low standby power consumption and control method thereof |
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| CN106921206B CN106921206B (en) | 2024-03-01 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108899977A (en) * | 2018-08-31 | 2018-11-27 | 西安特锐德智能充电科技有限公司 | The auxiliary source method of supplying power to of two-way charging unit and two-way charging unit |
| CN109068450A (en) * | 2018-09-07 | 2018-12-21 | 深圳市明微电子股份有限公司 | Intelligent illumination control device, method and the lighting system of stand-by power consumption can be reduced |
| CN109672257A (en) * | 2018-12-28 | 2019-04-23 | 长园深瑞继保自动化有限公司 | The flexible control method of DC charging module accessory power supply and system |
| CN110165759A (en) * | 2019-06-21 | 2019-08-23 | 南方电网电动汽车服务有限公司 | Charging circuit and the method for reducing power dissipation |
| WO2020048315A1 (en) * | 2018-09-07 | 2020-03-12 | 深圳市明微电子股份有限公司 | Smart lighting control device and method capable of reducing standby power consumption, and lighting system |
| CN111509970A (en) * | 2020-04-23 | 2020-08-07 | 深圳英飞源技术有限公司 | Bidirectional converter |
| WO2020216017A1 (en) * | 2019-04-24 | 2020-10-29 | 深圳英飞源技术有限公司 | Power source system with low standby power consumption |
| CN113147445A (en) * | 2021-04-27 | 2021-07-23 | 西安领充创享新能源科技有限公司 | Vehicle-mounted charger and charging control method thereof |
| CN114301287A (en) * | 2021-12-13 | 2022-04-08 | 深圳市大能创智半导体有限公司 | Two-stage type switching power supply and power supply method thereof |
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Application publication date: 20170704 Assignee: Xi'an teride lingchong New Energy Technology Co.,Ltd. Assignor: Xi'an TGOOD Intelligent Charging Technology Co.,Ltd. Contract record no.: X2020370010026 Denomination of invention: A charging module with low standby power consumption and its control method License type: Common License Record date: 20201130 |
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