CN106711991A - Power supply module and distribution method for distributing power freely - Google Patents
Power supply module and distribution method for distributing power freely Download PDFInfo
- Publication number
- CN106711991A CN106711991A CN201611204841.XA CN201611204841A CN106711991A CN 106711991 A CN106711991 A CN 106711991A CN 201611204841 A CN201611204841 A CN 201611204841A CN 106711991 A CN106711991 A CN 106711991A
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- Prior art keywords
- power
- module
- power supply
- power module
- group
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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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
-
- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/04—Circuit arrangements for ac mains or ac distribution networks for connecting networks of the same frequency but supplied from different sources
- H02J3/06—Controlling transfer of power between connected networks; Controlling sharing of load between connected networks
Abstract
A power supply module and a distribution method for distributing power freely relate to a power supply module and a distribution method applied to high-power power supply reactors. The distribution method comprises the following steps: a plurality of power supply modules are connected in parallel, and each power supply module is equipped with a power distribution unit and is connected with at least two power supply output lines through the power distribution unit; a principal computer and the power supply modules communicate through a serial bus, automatic coding is carried out in a unified manner to get the address codes of the power supply modules, and the power supply modules communicate with the principal computer in a point-to-point manner by means of the address codes; and a power supply module controller receives grouping information from the principal computer, and makes the power distribution unit of each power supply module connect the power supply module to a corresponding grouped output bus according to an instruction. For multi-channel output of a high-power reactor, the power of each channel can be distributed freely. When a high-power reactor is constituted, a system high-power relay is saved, and the cost is saved effectively. A module-side relay actively cuts off the power circuit. Protection is timelier, and the safety is higher.
Description
Technical field
The present invention relates to power module and distribution method, more particularly to it is applied to the power module of large power supply heap and divides
Method of completing the square.
Background technology
Current large power supply heap is realized often through power module is in parallel, but in some application scenarios, generally requires one
Individual large power supply heap provides electric energy for multiple load simultaneously, and this is accomplished by N number of peak power as the power module of P is combined into
One group, then each group is again by external cabling realization simultaneously to multiple load supplyings.But this scheme has following
Problem：1) peak power output of each group is fixed, and peak power is N*P, maximum defeated in the case where external cabling is not changed
Go out power to be restricted.2) to realize power distribution by external cabling, it is necessary to increase high power relay, system can be increased
Cost.3) service life can be reduced when high power relay cuts off high current under some emergency cases.
The content of the invention
It is an object of the invention to provide a kind of power distribution flexibly can free distribution power power module distribution
Method.
Another object of the present invention is to provide a kind of power distribution flexibly can free distribution power power module.
The purpose of the present invention can be achieved in that, design it is a kind of can free distribution power power module distribution method, wrap
Include following steps：
A, some power modules are in parallel, and each power module sets power distributing unit and by power distributing unit and extremely
Few two-way power supply output line road connection；
B, host computer, each power module are by serial bus communication and unify address of the autocoding as power module
Code, when power module communicates with host computer, point-to-point communication is realized by address code and host computer；
C, power module controller receive host computer grouping information, and the power distribution list of the power module is controlled according to instruction
Unit connects the module to corresponding packet output bus.
Further, host computer embodies each module grouping information, including affiliated group, packet electric current, packet in messages
Voltage.
Further, power module controller is electric according to the grouping information equal current-mode of startup that host computer sends is received
Source module controller recognizes the module number in group where oneself by address code and packet marking, calculates flat in real time in this group
Equal electric current, realizes that each intermodule output current in same group is equal.
Further, power module controller starts high efficiency mode, group according to the grouping information that reception host computer sends
The minimum power module of interior address number automatically becomes the main frame in the group, according to required for this group of current needs value calculates the group
Power module, one by one submodule electric current in distribution group makes each module of work at maximum current output state, the module having more
In holding state, the group is set to be operated in pressure point of maximum efficiency.
Further, according to the ascending sequence of coding and as the address code of power module, module's address code is arranged successively
Sequence is 0~N.
Further, host computer is according to the required electric current of each car charging and the exportable maximum current meter of each power module
The power module quantity needed for car charging group is calculated, power module is grouped according to required power module quantity.
Another object of the present invention can be achieved in that, design it is a kind of can free distribution power power module, including electricity
The DC output end of the main power topology in source and its control circuit, power distributing unit, the main power topology of power supply and its control circuit
It is connected with the input of power distributing unit, the control end of power distributing unit is topological with the main power of power supply and its control circuit
Control end is connected；
The main power topology of power supply and its control circuit, including three-phase pfc circuit, PFC inductance, DC-DC circuit, PFC output
BUS lines, controller, three-phase pfc circuit, the prime part that PFC inductance is whole power module, are straight by three-phase alternating current electric rectification
Stream electricity simultaneously provides Active PFC；DC-DC circuit is used as rear class part, regulation output DC voltage and DC current；Three-phase
Pfc circuit exports BUS lines and exports direct current to DC-DC circuit by PFC；Controller is that three-phase pfc circuit and DC-DC circuit are carried
For PWM ripples signal and relay protective scheme is performed, received and CAN message that response host computer sends and driving power allocation unit；
Power distributing unit, performs the connection or cut-out with power supply output line road；Power distributing unit, including switching is single
Unit, switching driver element, control signal loop；Switch unit, connection or rupturing duty outgoing route, the dynamic contravention of switch unit
A pole of power supply is connected, the stationary contact end of switch unit is connected with power supply output line road；Switching driver element, drives switch unit to enter
Row switching action, switches the control end of the drive signal output end connection switching unit of driver element, switches the control of driver element
End processed is connected to controller by control signal loop；Control signal loop, controller with switching driver element control end it
Between signal path.
Alternatively, switch unit uses multicircuit relay, and switching driver element is relay drive circuit, multicircuit relay
Dynamic contravention connect the positive pole of power supply, the stationary contact end of multicircuit relay is connected with power supply output line road, the control of multicircuit relay
End.
Alternatively, switch unit uses switching circuit.
The present invention can realize that high-power reactor multiple-channel output Shi Mei roads power is freely distributed；During composition high-power reactor, can save
Remove system high power relay, effectively save cost；Module end relay active rupturing duty loop, protection is more in time, safe
Property is higher.
Brief description of the drawings
Fig. 1 is the allocation process diagram of present pre-ferred embodiments；
Fig. 2 is the schematic diagram of present pre-ferred embodiments；
Fig. 3 is the main power of present pre-ferred embodiments and the schematic diagram of controller part；
Fig. 4 is the schematic diagram of the power distributing unit of present pre-ferred embodiments；
Fig. 5 is the schematic diagram of the multichannel power distributing unit of present pre-ferred embodiments.
Specific embodiment
The invention will be further described with reference to embodiments.
As shown in Figure 1 and Figure 2, it is a kind of can free distribution power power module distribution method, comprise the following steps：
A, some power modules are in parallel, and each power module sets power distributing unit and by power distributing unit and extremely
Few two-way power supply output line road connection；
B, host computer, each power module are by serial bus communication and unify address of the autocoding as power module
Code, when power module communicates with host computer, point-to-point communication is realized by address code and host computer；
C, power module controller receive host computer grouping information, and the power distribution list of the power module is controlled according to instruction
Unit connects the module to corresponding packet output bus.
In the present embodiment, universal serial bus is can buses.
Host computer embodies each module grouping information, including affiliated group, packet electric current, packet voltage in messages.In reality
When border uses, host computer can embody each power module grouping information in CAN message, and power module is receiving the packet letter of oneself
Module main control unit will send control signal after breath, and it is female to corresponding packet output that driving power allocation unit connects the module
Line.And newest affiliated group according to oneself, packet electric current, voltage instruction that host computer is issued are received, complete charge function.
As shown in figure 1, each power module may be selected equal current output mode, it is also possible to select maximal efficiency pattern.Power supply
Module controller passes through address code according to the grouping information equal current-mode of startup that host computer sends, power module controller is received
And packet marking recognizes the module number in group where oneself, real-time average current in this group is calculated, realized in same group
Each intermodule output current is equal.During equal current-mode, the electric current of each module output is identical, is total current average in each mould
The current value of block.
, according to the grouping information startup high efficiency mode that host computer sends is received, the interior address number of group is most for power module controller
Small power module automatically becomes the main frame in the group, the power module according to required for this group of current needs value calculates the group,
Submodule electric current in distribution group one by one, makes each power module of work at maximum current output state, the power module having more
In holding state, the group is set to be operated in pressure point of maximum efficiency.When maximal efficiency pattern is exported, will as far as possible ensure that each module is fully loaded with
Output, unnecessary module is turned off.
According to the ascending sequence of coding and as the address code of power module, power module address code is ordered as 0 successively
~N.Each power module can be communicated by CAN and unify autocoding, according to the ascending sequence of coding and as this electricity
The address code of source module, power module address code is ordered as 0~N successively, when power module and host computer communicate, by this address
Code realizes point-to-point communication with host computer.
Host computer calculates the car and fills according to the required electric current of each car charging and the exportable maximum current of each power module
Power module quantity needed for electricity group, is grouped according to required power module quantity to power module.For example, when charging pile needs
When being charged to two distinct types of car, each car charging difference demand current I1And I2, the exportable maximum electricity of each power module
It is I to flowmax, then host computer number of modules needed for two groups of A, B will be calculated：The module number that A groups need is NumA=I1/
Imax, the module number that B groups need is NumB=I2/Imax, then host computer can be according to address code, by 0~NumA-1 moulds
Block is divided into A groups, issues A groups required voltage, electric current, and NumA~NumB modules are classified as B groups, issue B groups required voltage,
Electric current.When equal current-mode in startup group, power module realizes same module number in group where automatic identification oneself
Output current is equal between each power module in group.When maximal efficiency pattern is started, the minimum power module of address number in group
The main frame in the group can be automatically become, the power module according to required for this group of current needs value calculates this group distributes son one by one
Blocks current, distribution principle is to try to make each module be operated in maximum current output state, and the module having more is in holding state,
It is not involved in work.
As shown in Figure 2 and Figure 3, it is a kind of can free distribution power power module, including power supply main power topology and its control
Circuit, power distributing unit 2,
As shown in figure 4, the main power topology of power supply and its control circuit, including three-phase pfc circuit 7, PFC inductance 8, DC-DC
Circuit 9, PFC exports BUS lines 10, controller, and three-phase pfc circuit 7, PFC inductance 8 are the prime part of whole power module, will
Three-phase alternating current electric rectification is direct current and provides Active PFC；DC-DC circuit 9 is used as rear class part, regulation output direct current
Voltage and DC current；Three-phase pfc circuit 7 exports BUS lines 10 and exports direct current to DC-DC circuit 9 by PFC；Controller is
Three-phase pfc circuit 7 and DC-DC circuit 9 provide PWM ripples signal and perform relay protective scheme, receive and respond by universal serial bus 5 on
The CAN message and driving power allocation unit 2 of position machine transmission.
As shown in Figure 2 and Figure 3, power distributing unit 2, perform the connection or cut-out with power supply output line road；Power distribution list
Unit 2, including switch unit 3, switching driver element, control signal loop 6；Switch unit 3, connection or rupturing duty output road
Footpath, the dynamic contravention of switch unit connects a pole of power supply, and the stationary contact end of switch unit is connected with power supply output line road；Switching drives
Unit, drives switch unit to switch over action, switches the control of the drive signal output end connection switching unit of driver element
End, the control end for switching driver element is connected to power module controller by control signal loop；Control signal loop, power supply
Signal path between the control end of module controller and switching driver element.
In the present embodiment, switch unit 3 uses two-way relay, and switching driver element is relay drive circuit.Relay
The movable contact of device is connected to the output cathode of the main power topology of power supply and its control circuit, and the A1 contact portions of relay are to A times
The positive electrode bus on road, the positive electrode bus of the B1 contact portions of relay to B loops, the main power topology of power supply and its control circuit
Output negative pole is connected to the public negative pole 4 in loop.
Power distributing unit 2 involved in the present invention, not only comprising two-way, as shown in figure 5, also can be extended to multichannel.Cut
Change unit 3 and use multicircuit relay, switching driver element is relay drive circuit, the dynamic contravention connection power supply of multicircuit relay
Positive pole, the positive electrode bus of the stationary contact end of multicircuit relay respectively with power supply output line road are connected.
Switch unit uses switching circuit.The switching of the built-up circuits such as semiconductor devices such as MOSFFET, diode can be utilized
Unit, realizes power distribution.
Power module controller receive host computer instruction, according to instruction control power module power flow direction which.When
When relay is closed to A1 ends, the loop (loop shown in A in figure) that power flow direction is closed with A1 ends, when relay is closed to B1 ends
When, the loop (loop shown in B in figure) that power flow direction is closed with B1 ends.
As shown in Fig. 2 when multiple power modules disclosed in this invention 1 are in parallel, power module 1 can be according to host computer need
Ask, carrying out power distribution by power distributing unit 2 selects power flow direction, and the power supply mould of varying number is put into by A, B two-way
Block carrys out the watt level of flexible allocation A, B two-way.
The present invention can realize that high-power reactor multiple-channel output Shi Mei roads power is freely distributed；During composition high-power reactor, can save
Remove system high power relay, effectively save cost；Module end relay active rupturing duty loop, protection is more in time, safe
Property is higher.When high-power charging field is applied to, power distribution is flexible, and totle drilling cost is relatively low, and power module itself
Can according to extraneous circumstance by power distributing unit come rupturing duty outgoing route, reach the purpose of safe handling.
Claims (9)
1. it is a kind of can free distribution power power module distribution method, it is characterised in that comprise the following steps：
A, some power modules are in parallel, and each power module sets power distributing unit and passes through power distributing unit and at least two
Road power supply output line road connects；
B, host computer, each power module are by serial bus communication and unify address code of the autocoding as power module, electricity
When source module communicates with host computer, point-to-point communication is realized by address code and host computer；
C, power module controller receive host computer grouping information, and the power distributing unit for controlling the power module according to instruction connects
Connect the module to corresponding packet output bus.
2. it is according to claim 1 can free distribution power power module distribution method, it is characterised in that：Host computer exists
Each module grouping information, including affiliated group, packet electric current, packet voltage are embodied in message.
3. it is according to claim 1 can free distribution power power module distribution method, it is characterised in that：Power module
Controller starts equal current-mode according to receiving the grouping information that sends of host computer, power module controller by address code and
Packet marking recognizes the module number in group where oneself, calculates real-time average current in this group, realizes each mould in same group
Output current is equal between block.
4. it is according to claim 1 can free distribution power power module distribution method, it is characterised in that：Power module
, according to the grouping information startup high efficiency mode that host computer sends is received, the minimum power module of address number is automatic in group for controller
As the main frame in the group, the power module according to required for this group of current needs value calculates the group, one by one submodule in distribution group
Block electric current, makes each module of work in maximum current output state, and the module having more is in holding state, the group is operated in most
Big efficient point.
5. it is according to claim 1 can free distribution power power module distribution method, it is characterised in that：According to coding
Ascending to sort and as the address code of power module, module's address code is ordered as 0~N successively.
6. it is according to claim 1 can free distribution power power module distribution method, it is characterised in that：Host computer root
The power module needed for car charging group is calculated according to the required electric current of each car charging and the exportable maximum current of each power module
Quantity, is grouped according to required power module quantity to power module.
7. it is a kind of can free distribution power power module, it is characterised in that：Including power supply main power topology and its control circuit,
Power distributing unit, the main power topology of power supply and its DC output end of control circuit connect with the input of power distributing unit
Connect, the control end of power distributing unit is connected with the control end of the main power topology of power supply and its control circuit；
The main power topology of power supply and its control circuit, including three-phase pfc circuit, PFC inductance, DC-DC circuit, PFC output BUS
Line, controller, three-phase alternating current electric rectification is direct current by three-phase pfc circuit, the prime part that PFC inductance is whole power module
Electricity simultaneously provides Active PFC；DC-DC circuit is used as rear class part, regulation output DC voltage and DC current；Three-phase PFC
Circuit exports BUS lines and exports direct current to DC-DC circuit by PFC；Controller is that three-phase pfc circuit and DC-DC circuit are provided
PWM ripples signal simultaneously performs relay protective scheme, receives and respond CAN message and driving power allocation unit that host computer sends；
Power distributing unit, performs the connection or cut-out with power supply output line road；Power distributing unit, including switch unit, cut
Change driver element, control signal loop；Switch unit, connection or rupturing duty outgoing route, the dynamic contravention connection of switch unit
One pole of power supply, the stationary contact end of switch unit is connected with power supply output line road；Switching driver element, drives switch unit to be cut
Move work, switches the control end of the drive signal output end connection switching unit of driver element, switches the control end of driver element
Controller is connected to by control signal loop；Between the control end of control signal loop, controller and switching driver element
Signal path.
8. it is according to claim 7 can free distribution power power module, it is characterised in that：Switch unit uses multichannel
Relay, switching driver element is relay drive circuit, and the dynamic contravention of multicircuit relay connects the positive pole of power supply, multichannel relay
The stationary contact end of device is connected with power supply output line road, the control end of multicircuit relay.
9. it is according to claim 7 can free distribution power power module, it is characterised in that：Switch unit is using switching
Circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204841.XA CN106711991A (en) | 2016-12-23 | 2016-12-23 | Power supply module and distribution method for distributing power freely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611204841.XA CN106711991A (en) | 2016-12-23 | 2016-12-23 | Power supply module and distribution method for distributing power freely |
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| CN106711991A true CN106711991A (en) | 2017-05-24 |
Family
ID=58895886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201611204841.XA Pending CN106711991A (en) | 2016-12-23 | 2016-12-23 | Power supply module and distribution method for distributing power freely |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289609A (en) * | 2019-06-04 | 2019-09-27 | 张家港克林特电源科技有限公司 | A kind of method of N+1 mode high power DC power supply smart allocation electric current |
| CN110474340A (en) * | 2019-08-22 | 2019-11-19 | 四川英杰电气股份有限公司 | Bus energy control method, system, device end and computer storage medium |
| CN110717625A (en) * | 2019-09-27 | 2020-01-21 | 苏州爱科赛博电源技术有限责任公司 | Power supply quality optimization method and device and readable storage medium |
| CN111654557A (en) * | 2020-05-29 | 2020-09-11 | 宋斌 | Automatic distribution method of RS485 address codes, upper computer and lower computer |
| CN112433590A (en) * | 2020-11-20 | 2021-03-02 | 深圳麦格米特电气股份有限公司 | Power supply management system and method |
| CN114709809A (en) * | 2022-04-02 | 2022-07-05 | 唐山松下产业机器有限公司 | Consumable electrode welding multi-power-supply parallel device and using method |
| CN114710008A (en) * | 2022-06-06 | 2022-07-05 | 杭州灵伴科技有限公司 | Explosion-proof subassembly and head-mounted display device based on power split |
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| CN202978733U (en) * | 2012-12-28 | 2013-06-05 | 中国电子科技集团公司第五十四研究所 | Power distribution network device |
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| CN105375552A (en) * | 2015-09-01 | 2016-03-02 | 西安特锐德智能充电科技有限公司 | Power matching method of matrix power distribution charging system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289609A (en) * | 2019-06-04 | 2019-09-27 | 张家港克林特电源科技有限公司 | A kind of method of N+1 mode high power DC power supply smart allocation electric current |
| CN110474340A (en) * | 2019-08-22 | 2019-11-19 | 四川英杰电气股份有限公司 | Bus energy control method, system, device end and computer storage medium |
| CN110474340B (en) * | 2019-08-22 | 2020-11-24 | 四川英杰电气股份有限公司 | Bus energy control method, system, device terminal and computer storage medium |
| CN110717625A (en) * | 2019-09-27 | 2020-01-21 | 苏州爱科赛博电源技术有限责任公司 | Power supply quality optimization method and device and readable storage medium |
| CN110717625B (en) * | 2019-09-27 | 2023-08-18 | 苏州爱科赛博电源技术有限责任公司 | Power supply quality optimization method and device and readable storage medium |
| CN111654557A (en) * | 2020-05-29 | 2020-09-11 | 宋斌 | Automatic distribution method of RS485 address codes, upper computer and lower computer |
| CN112433590A (en) * | 2020-11-20 | 2021-03-02 | 深圳麦格米特电气股份有限公司 | Power supply management system and method |
| CN114709809A (en) * | 2022-04-02 | 2022-07-05 | 唐山松下产业机器有限公司 | Consumable electrode welding multi-power-supply parallel device and using method |
| CN114710008A (en) * | 2022-06-06 | 2022-07-05 | 杭州灵伴科技有限公司 | Explosion-proof subassembly and head-mounted display device based on power split |
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Application publication date: 20170524 |