CN104753099B - A kind of electric power system and method for controlling power supply - Google Patents
A kind of electric power system and method for controlling power supply Download PDFInfo
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- CN104753099B CN104753099B CN201310737291.8A CN201310737291A CN104753099B CN 104753099 B CN104753099 B CN 104753099B CN 201310737291 A CN201310737291 A CN 201310737291A CN 104753099 B CN104753099 B CN 104753099B
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention discloses a kind of electric power system and method for controlling power supply, the system includes：Battery assembly module；UPS units；Cell managing device, at least one power switching unit including at least two connection units, connected with least two connection units, the power supply being connected with least one power switching unit, the main control unit being connected with least one power switching unit, wherein, each connection unit at least two connection units can be realized with battery assembly module or UPS units and mechanically connected；When the first connection unit at least two connection units and battery assembly module or UPS units, which are realized, to be mechanically connected, main control unit control power switching unit cuts off the power supply to remaining connection unit at least two connection units in addition to first connection unit, so that remaining connection unit is in open-circuit condition.Technical solution of the present invention solves and includes the electric power system with UPS, the existing technical problem for not supporting hot plug in the prior art.
Description
Technical field
The present invention relates to electro-mechanical arts, more particularly to a kind of electric power system and method for controlling power supply.
Background technology
The communication uninterrupted power source of current main flow on the market（Uninterruptible Power System, UPS）One
As connect lead-acid accumulator, but with the maturation of lithium battery technology, progressively occur after being battery assembly module by the series connection of multiple lithium batteries
Lead-acid accumulator is replaced to connect UPS application.But due to the characteristic of lithium battery itself, it is necessary to each lithium battery of strict control
Discharge and recharge and temperature, the overcharge or overdischarge of single lithium battery are otherwise likely to result in, so as to cause cell damage.
In order to realize the management of discharge and recharge to each lithium battery and temperature, it is necessary to by battery assembly module and a battery management
After device connection, lead-acid accumulator connection UPS is replaced as an entirety.Wherein, the positive pole of battery assembly module and negative pole master
Loop is connected with cell managing device, and the charging and discharging with UPS are realized by cell managing device；And in battery assembly module
Each battery positive pole and negative pole be also connected with cell managing device, by cell managing device come each battery of detection management
Discharge and recharge.
Because the voltage of battery assembly module and UPS voltage are inconsistent, when battery assembly module and UPS are powered, the company of going
Battery assembly module, UPS and cell managing device are connect, big rush of current can be produced in the moment of plug, and causes battery pack list
The damage of the electric power system of member, UPS and cell managing device composition.
That is, including the electric power system with UPS in the prior art, the technical problem for not supporting hot plug be present.
The content of the invention
The embodiment of the present invention provides a kind of electric power system and method for controlling power supply, to solve to include band in the prior art
UPS electric power system, the existing technical problem for not supporting hot plug.
Technical scheme of the embodiment of the present invention is as follows：
The embodiment of the present invention provides a kind of electric power system, and the system includes：
Battery assembly module；
UPS units；
Cell managing device, including at least two connection units, be connected at least with least two connection unit
One power switching unit, the power supply being connected with least one power switching unit and at least one power switching
The main control unit of unit connection, wherein, each connection unit at least two connection unit can be with the electricity
Pond group unit or the UPS units, which are realized, to be mechanically connected；
Wherein, when the first connection unit at least two connection unit and the battery assembly module or the UPS
When unit realizes mechanical connection, main control unit control at least one power switching unit cuts off the power supply to described
The power supply of remaining connection unit at least two connection units in addition to first connection unit, so that remaining described connection is single
Member is in open-circuit condition.
From the foregoing, it will be observed that any connection of the technical scheme of the embodiment of the present invention in multiple connection units of cell managing device
When unit realizes mechanical connection with battery assembly module or UPS units, power switching unit is controlled to cut off remaining by main control unit
The power supply of connection unit, remaining connection unit is set to be in open-circuit condition, in remaining connection unit external power supply unit, to cut
The current path to break between external power subsystem and the unit that just accesses, put only hot plug caused by heavy current impact, carry
The reliability of high electric power system.
Preferably, at least two connection unit includes：Managing device major loop connection unit, can be with the battery
The positive pole and negative pole of group unit, which are realized, to be mechanically connected；Managing device detects connection unit, can be with being placed on the battery pack list
The positive pole and negative pole of each battery in member, which are realized, to be mechanically connected；Managing device UPS major loop connection units, can with it is described
The positive pole and negative pole of UPS units, which are realized, to be mechanically connected.So as to effectively avoid UPS units and battery assembly module from accessing battery management
Heavy current impact caused by unit, improve the reliability of electric power system.
Preferably, the cell managing device also includes：Groups of sensor elements, connect the main control unit and filled with the management
Detection connection unit is put, whether each battery position for placing battery for detecting in the battery assembly module has placed
Have battery, and testing result reported into the main control unit so that the main control unit receive it is described every for showing
After individual battery position has been placed with the testing result of battery, according to the default first order, the battery is controlled to pass through the pipe
Reason device major loop connection unit realizes that series conductor is connected with the cell managing device, so as to realize no matter which kind of user uses
Battery is put into battery unit by order, electric power system wafer damage caused by being avoided that battery access sequence error, is improved and is supplied
The reliability of electric system.
Preferably, the cell managing device also includes：Isolation buffer unit, connect the groups of sensor elements and the pipe
Device detection connection unit is managed, for passing through the managing device major loop connection unit and the battery in each battery
After managing device realizes series conductor connection, according to the default second order, the positive pole and negative pole of control each battery
Connection unit is detected by the managing device to be conductively connected with cell managing device realization.So as to realize no matter user
The both positive and negative polarity of each battery is sequentially accessed into cell managing device with for which kind of, is avoided that each battery plus-negative plate access order is wrong
Electric power system wafer damage caused by by mistake, improve the reliability of electric power system.
Preferably, the cell managing device also includes：Managing device UPS signal connection units, can be mono- with the UPS
The signal transmission unit of member, which is realized, to be mechanically connected, to enable the UPS units and the cell managing device to carry out signal
Transmission；Charge-discharge control unit, connect the main control unit and the managing device UPS major loop connection units；Described in connection
Main control unit and the managing device UPS signal connection units；For by the managing device UPS major loops connection unit and institute
The link information for stating managing device UPS signal connection units reports the main control unit, and is issued according to the main control unit
Order control the UPS units to the battery assembly module charge or discharge.Connect so as to realize in UPS major loops both positive and negative polarity
Enter cell managing device, and after UPS units are ready, main control unit can pass through charge-discharge control unit and control UPS units pair
The battery assembly module charge or discharge, improve the reliability of electric power system.
Preferably, the managing device major loop connection unit connects with what the positive pole and negative pole of the battery assembly module were connected
Mouth is integrated on the first connection terminal of the managing device major loop connection unit；The managing device detects connection unit
The interface being connected with the positive pole and negative pole of each battery in the battery assembly module is integrated in the managing device detection and connected
On second connection end of order member；The positive pole and negative pole of the managing device UPS major loops connection unit and the UPS units
The interface of connection is integrated on the 3rd connection terminal of the managing device UPS major loop connection units.By positive pole and negative pole
Interface integration on same terminal, it is not necessary to consider connection and the clearing sequence of both positive and negative polarity, avoid the both positive and negative polarity order of connection
Damage caused by mistake to electric power system, effectively improve the reliability of electric power system.
Preferably, in the multiple connection terminals set at least two connection unit, any two connection terminal
On interface quantity differ.The probability of terminal connection error, the reliability of electric power system are effectively reduced using fool-proof design.
The embodiment of the present invention also provides a kind of method for controlling power supply, and applied in above-mentioned electric power system, methods described includes：
Detection obtains the first connection unit and the battery assembly module or the UPS at least two connection unit
Unit is in mechanical connection state；
It is single to remaining connection at least two connection unit in addition to first connection unit to cut off the power supply
The power supply of member, to cause remaining described connection unit to be in open-circuit condition.
From the foregoing, it will be observed that any connection of the technical scheme of the embodiment of the present invention in multiple connection units of cell managing device
Unit and battery assembly module or UPS units are realized when mechanically connecting, and the power supply cut off the electricity supply to remaining connection unit, make remaining company
Order member be in open-circuit condition, with remaining connection unit external power supply unit, cuts off external power subsystem and just
Current path between the unit of access, put only hot plug caused by heavy current impact, improve the reliability of electric power system.
Preferably, in the cut-out power supply is at least two connection unit in addition to first connection unit
Remaining at least one connection unit power supply after, methods described also includes：Detection obtains the use in the battery assembly module
Battery has been placed with each battery position of placing battery；According to the default first order, control in the battery assembly module
The each battery placed realizes that series conductor is connected with the cell managing device, so as to realize no matter which kind of user sequentially will with
Battery is put into battery unit, electric power system wafer damage caused by being avoided that battery access sequence error, improves electric power system
Reliability.
Preferably, described according to the default first order, control each battery for being placed in the battery assembly module with
After the cell managing device realizes series conductor connection, methods described also includes：Detection is obtaining each battery just
Pole and negative pole have been in mechanical connection state with the cell managing device；According to the default second order, control described every
The positive pole and negative pole of individual battery are realized with the cell managing device and are conductively connected, to enable the cell managing device
Monitor the working condition of each battery.So as to realize no matter which kind of the both positive and negative polarity of each battery is sequentially accessed electricity by user with
Pond managing device, electric power system wafer damage caused by being avoided that each battery plus-negative plate access sequence error, improves power supply
The reliability of system.
Preferably, described according to the default first order, control each battery for being placed in the battery assembly module with
After the cell managing device realizes series conductor connection, methods described also includes：Detection is obtaining each battery just
Pole and negative pole are not in mechanical connection state with the cell managing device；Report for showing each battery just
Pole and negative pole are not in the testing result of mechanical connection state with the cell managing device, and alert.Can effectively it prevent
There is battery to be not on causing the situation of battery damage in monitoring, improve the reliability of battery in electric power system.
Preferably, according to the default second order, control the positive pole of each battery and negative pole with the battery
After managing device realization is conductively connected, methods described also includes：Detect each company at least two connection unit
Whether order member is realized with the battery assembly module or the UPS units mechanically connects；If at least two connection
Each connection unit in unit is realized with the battery assembly module or the UPS units to be mechanically connected, then sends one
Standby ready signal causes the UPS units；Based on the standby ready signal, whether the state for detecting the UPS units is just
Normal working condition；If the state of the UPS units is normal operating conditions, the UPS units are controlled to the battery pack
Unit charges.It can effectively lift the security that UPS units charge to battery assembly module, improve the reliable of battery in electric power system
Property.
Preferably, after the control UPS units charge to the battery assembly module, methods described also includes：
The UPS units are controlled to power the cell managing device.To prevent cell managing device power down, that improves electric power system can
By property.
Preferably, after the control UPS units charge to the battery assembly module, methods described also includes：
When the UPS units power down, the battery assembly module is controlled to be powered for the UPS units.To prevent UPS unit power down, carry
The reliability of high electric power system.
Preferably, it is described control the battery assembly module for the UPS units power supply after, methods described also includes：
Control the battery assembly module to be powered to the cell managing device to prevent cell managing device power down, improve electric power system
Reliability.
Brief description of the drawings
Fig. 1 is the connection diagram one of electric power system in the embodiment of the present invention one；
Fig. 2 is the connection diagram two of electric power system in the embodiment of the present invention one；
Fig. 3 is the structural representation of connection terminal in the embodiment of the present invention one；
Fig. 4 is the flow chart of method for controlling power supply in the embodiment of the present invention two；
Fig. 5 is the flow chart that control UPS units charge to battery assembly module in the embodiment of the present invention two；
Fig. 6 is flow chart of the control battery assembly module to UPS cell discharges in the embodiment of the present invention two.
Embodiment
In order that the object, technical solutions and advantages of the present invention are clearer, the present invention is made below in conjunction with accompanying drawing into
One step it is described in detail, it is clear that the described embodiment only a part of embodiment of the present invention, rather than whole implementation
Example.Based on the embodiment in the present invention, what those of ordinary skill in the art were obtained under the premise of creative work is not made
All other embodiment, belongs to the scope of protection of the invention.
In the prior art, the electric power system with UPS, hot plug is not supported, therefore needs to connect according to strict plug order
Electric power system is connect, otherwise can produce big rush of current in the moment of plug, and causes the damage of electric power system.
In technical scheme of the embodiment of the present invention, any connection unit in multiple connection units of cell managing device with
When battery assembly module or UPS units realize mechanical connection, it is single to cut off remaining connection to control power switching unit by main control unit
The power supply of member, makes remaining connection unit be in open-circuit condition, so that in remaining connection unit external power supply unit, cut-out is outer
Current path between the power subsystem connect and the unit just accessed, heavy current impact caused by only hot plug is put, improve power supply
The reliability of system.
With reference to each accompanying drawing to the main realization principle of technical scheme of the embodiment of the present invention, embodiment and its
The beneficial effect that should be able to reach is set forth in.
Embodiment one
A kind of electric power system is provided in the embodiment of the present invention one, in specific implementation process, the electric power system can be with
For providing uninterrupted power supply for equipment such as communication equipment, large-scale control device, manufacture process equipments, in the present embodiment
In will not enumerate.
Fig. 1 is refer to, Fig. 1 is the connection diagram for the electric power system that the embodiment of the present invention one proposes, the system includes：
Battery assembly module 11；
UPS units 12；
Cell managing device 13, including at least two connection units 14, be connected with least two connection unit 14
At least one power switching unit 15, be connected with least one power switching unit 15 power supply 16, with it is described at least
The main control unit 17 that one power switching unit 15 connects, wherein, each connection at least two connection unit 14
Unit can be realized with the battery assembly module 11 or the UPS units 12 and mechanically connected；
Wherein, when the first connection unit at least two connection unit 14 and the battery assembly module 11 or described
When UPS units 12 realize mechanical connection, it is described that the main control unit 17 controls at least one power switching unit 15 to cut off
Power supply of the power supply 16 to remaining connection unit at least two connection unit 14 in addition to first connection unit, so that
Remaining described connection unit is in open-circuit condition.
In specific implementation process, power switching unit 15 can be one to be connected with least two connection units 14
Multy-way switching unit or cut with multiple single channel that each connection unit at least two connection units 14 is connected one by one
Change unit.It is corresponding, power supply 16 can be a power supply being connected with a multy-way switching unit or with multiple single channel
The connected multiple power supplys of switch unit.
Due to mainly controlling the power supply to connection unit 14 by the cell managing device 13 in electric power system, to keep away
Exempt from damage of the hot plug to electric power system, therefore below from the connection unit of cell managing device 13, and cell managing device 13
Two aspects of internal element carry out the main structure for introducing cell managing device 13.
In a first aspect, the connection unit of cell managing device 13.
First, the species of the connection unit of cell managing device 13 is introduced.
In specific implementation process, cell managing device 13 needs the both positive and negative polarity and UPS units 12 with battery assembly module 11
Both positive and negative polarity connection, with realize UPS units 12 can by pond managing device 13 to battery assembly module 11 carry out discharge and recharge.And battery
Managing device 13 also needs to be connected with the positive pole of each battery and negative pole placed in battery assembly module 11, can be examined in real time with realizing
The voltage, electric current and temperature of each battery are surveyed, and then controls the safe discharge and recharge of battery assembly module 11.
Therefore as shown in Fig. 2 at least two connection unit 14 includes：
Managing device major loop connection unit 21, it can realize machinery even with the positive pole and negative pole of the battery assembly module 11
Connect；
Managing device detects connection unit 22, can be with the positive pole for each battery being placed in the battery assembly module 11
Realize and mechanically connect with negative pole；
Managing device UPS major loops connection unit 23, it can realize machinery even with the positive pole and negative pole of the UPS units 12
Connect.
Because the voltage of UPS units 12, battery assembly module 11 and each battery being placed in battery assembly module is inconsistent,
Therefore the both positive and negative polarity of the both positive and negative polarity, battery assembly module 11 in UPS units 12 and each battery for being placed in battery assembly module are just
In negative pole during any access cell managing device 13, remaining connection unit is in open circuit, effectively hot plug can be avoided to produce
Heavy current impact, improve the reliability of electric power system.
Further, cell managing device 13 can also obtain the work state information of UPS units 12, and send control instruction cause
UPS units 12 control the UPS units 12 to carry out the discharge and recharge of safe and intelligent to battery assembly module 11, therefore also need to and UPS units
12 establish the connection for signal transmission, i.e., described cell managing device 13 also includes：
Managing device UPS signals connection unit 24, it can realize machinery even with the signal transmission unit of the UPS units 12
Connect, to enable the UPS units 12 and the cell managing device 13 to carry out signal transmission.
Next, introduce the structure of the connection terminal of the connection unit of cell managing device 13.
Electric power system of the prior art, the both positive and negative polarity and UPS units of its cell managing device 13 and battery assembly module 11
The connection of 12 both positive and negative polarity is by setting two copper posts, and a copper post connects positive pole, and a copper post connects negative pole to realize, so
In workshop and in-site installation, easily there is both positive and negative polarity order of connection mistake, joint and access unit in necessary extreme care
Between connection obscure, the problems such as both positive and negative polarity is reversed, once there is above-mentioned integrity problem, electric power system short circuit, not just can be caused
Often work, or even hardware damage.
The embodiment of the present application is by providing the improved structures of following three kinds of connection terminals, to solve above-mentioned integrity problem：
The first, positive pole and negative pole be arranged on same connection terminal.
Fig. 3 is refer to, Fig. 3 is the connection terminal structural representation of the embodiment of the present application one.
As shown in figure 3, the positive pole and negative pole of the managing device major loop connection unit 21 and the battery assembly module 11
The interface of connection is integrated on the first connection terminal 31 of the managing device major loop connection unit 21；
The positive pole and negative pole of the managing device detection connection unit 22 and each battery in the battery assembly module 11
The interface of connection is integrated on second connection end 32 of the managing device detection connection unit 22；
The interface that the managing device UPS major loops connection unit 23 is connected with the positive pole and negative pole of the UPS units 12
It is integrated on the 3rd connection terminal 33 of the managing device UPS major loops connection unit 23.
It is integrated on a connection terminal by the interface for being connected the positive pole and negative pole with unit to be connected, can not
It is convenient to realize positive pole with being connected while negative pole with the order of connection for considering both positive and negative polarity.
Secondth, the quantity of interface on connection terminal is set to differ.
In the multiple connection terminals set at least two connection unit, connecing on any two connection terminal
Mouth quantity differs.
In specific implementation process, the interface can be jack, or contact pin.
As shown in figure 3, being provided with double totally 14 interfaces on the first connection terminal 31, it is provided with second connection end 32
Double totally 24 interfaces, are provided with double totally 12 interfaces on the 3rd connection terminal 33, the number of ports on each terminal and its
Remaining terminal is different.And the terminal on the unit to be accessed matched with a certain connection terminal on cell managing device 13 also has and institute
A certain connection terminal identical number of ports is stated, therefore connection can be established between the terminal only to match each other, and then is effectively avoided
Occur connecting situation about obscuring between joint and access unit, improve electric power system reliability.
The third, direction of insertion error-proof structure 34 is set on connection terminal.
Can be non complete symmetry shape by setting the end surface shape of connection terminal in specific implementation process, or
The structures such as shell fragment, bayonet socket are set on connection terminal to cause the terminal of two matchings to realize connection with fixed direction, when
In the terminal of two matchings after any terminal upset, the terminal of two matchings can not realize connection.And then effectively avoid out
Now because positive and negative level is reversed caused by terminal direction of insertion mistake the problem of, electric power system reliability is improved.
The improved structure of above-mentioned three kinds of connection terminals can be in any combination.
Second aspect, the internal element of cell managing device 13.
Please continue to refer to Fig. 2, as shown in Fig. 2 except previously described power switching unit 15, power supply 16 and main control unit
17, the cell managing device 13 can also include groups of sensor elements 25, isolation buffer unit 26 and charge-discharge control unit 27,
It will be introduced respectively below：
First, groups of sensor elements 25, the main control unit 17 and managing device detection connection unit 22 are connected, for examining
Whether each battery position for placing battery surveyed in the battery assembly module 11 has been placed with battery, and by testing result
The main control unit 17 is reported to, so that the main control unit 17 is being received for showing that each battery position has been placed
After having the testing result of battery, according to the default first order, the battery is controlled to be connected by the managing device major loop
Unit 21 realizes that series conductor is connected with the cell managing device 13.
Groups of sensor elements 25 detects battery and places situation, and reports main control unit 17, and then makes battery and battery management
Device 13 realizes that the idiographic flow of series conductor connection is as follows：
Whether place each battery position for placing battery that groups of sensor elements 25 is detected in battery assembly module 11
There is battery；
If each battery position has been placed with battery, main control unit 17 is reported,
Main control unit 17 receives report information after, according to default first order, control battery pass through managing device master
Loop connection unit 21 realizes that series conductor is connected with cell managing device 13.
In specific implementation process, in order to ensure the secure accessing of battery, first order is preferably：First by battery pack
The negative pole of the major loop of unit 11 is connected by the negative pole of managing device major loop connection unit 21 with the conducting of cell managing device 13,
The battery placed in battery assembly module 11 is sequentially connected in series conducting connection with voltage low to the order of a high position again, finally by battery
The positive pole of the group major loop of unit 11 is connected by the positive pole of managing device major loop connection unit 21 with the conducting of cell managing device 13
Connect.
2nd, isolation buffer unit 26, the groups of sensor elements 25 and managing device detection connection unit 22 is connected, is used
Connected in being realized in each battery by the managing device major loop connection unit 21 with the cell managing device 13
After being conductively connected, according to the default second order, the positive pole and negative pole for controlling each battery are filled by the management
Detection connection unit 22 is put to be conductively connected with the cell managing device 13 realization.
Isolation buffer unit 26 controls the positive pole of each battery and negative pole to realize what is be conductively connected with cell managing device 13
Idiographic flow is as follows：
Whether the positive pole and negative pole of each battery of the placement in the detection battery assembly module 11 of isolation buffer unit 26
Mechanical connection state is in managing device detection connection unit 22；
If the positive pole and negative pole of each battery have been in mechanical connection state with managing device detection connection unit 22,
Then report main control unit 17；
Main control unit 17 receives report information after, according to the default second order, control the positive pole of each battery
Realize and be conductively connected with the cell managing device with negative pole, it is described each to enable the cell managing device to monitor
The working condition of battery.
In specific implementation process, in order to ensure the secure accessing of battery detecting line, second order is preferably：First will
The negative pole of the major loop of battery assembly module 11 detects connection unit 22 by managing device and connected with the conducting of cell managing device 13, then
The battery placed in battery assembly module 11 is passed sequentially through into managing device detection connection unit with voltage low to the order of a high position
22 are connected with the conducting of cell managing device 13, and finally the positive pole of the major loop of battery assembly module 11 is detected by managing device and is connected
Unit 22 connects with the conducting of cell managing device 13.
3rd, charge-discharge control unit 27, the main control unit 17 and the managing device UPS major loop connection units are connected
23；Connect the main control unit 17 and the managing device UPS signals connection unit 24；For by the managing device UPS master
The link information of loop connection unit 23 and the managing device UPS signals connection unit 24 reports the main control unit 17,
And the order issued according to the main control unit 17 controls the UPS units 12 to charge or put the battery assembly module 11
Electricity.
The idiographic flow that charge-discharge control unit 27 controls the battery assembly module 11 to charge is as follows：
Charge-discharge control unit 27 detects whether battery assembly module 11 passes through managing device major loop connection unit 21
Realize and mechanically connect with cell managing device 13 with managing device detection connection unit 22；
If battery assembly module 11 detects connection unit by managing device major loop connection unit 21 and managing device
22 realize mechanical connection with cell managing device 13, then it is ready to send steady by managing device UPS signals connection unit 24
Signal causes UPS units 12；
Based on the standby ready signal, whether the state for detecting the UPS units 12 is normal operating conditions；
If the state of the UPS units 12 is normal operating conditions, the UPS units 12 are controlled to the battery pack
Unit 11 charges.
The idiographic flow that charge-discharge control unit 27 controls the battery assembly module 11 to discharge is as follows：
When UPS 12 power down of unit, UPS units 12 send a power down by managing device UPS signals connection unit 24 to be believed
Number cause main control unit 17；
Main control unit 17 issues an electric discharge order and causes charge-discharge control unit 27, then charge-discharge control unit 27 controls battery
Group unit 11 discharges UPS units 12.
Therefore pass through power switching unit 15, power supply 16 and main control unit 17, groups of sensor elements 25, isolation buffer
The control of unit 26 and charge-discharge control unit 27, no matter it can realize in what order by battery assembly module 11 and UPS units 12
Cell managing device 13 is accessed, can be sequentially turned on by each interface of default sequential control, caused by avoiding order of connection mistake
Electric power system is damaged, the effective reliability for improving electric power system.
Embodiment two
Embodiment two provides a kind of method for controlling power supply, in the electric power system provided applied to embodiment one, refer to figure
4, Fig. 4 be the flow chart for the method for controlling power supply that embodiment two proposes, its flow is：
Step 41, detection obtain the first connection unit at least two connection unit and the battery assembly module or
The UPS units are in mechanical connection state；
Step 42 cuts off the power supply to remaining at least two connection unit in addition to first connection unit
The power supply of connection unit, to cause remaining described connection unit to be in open-circuit condition.
Below in conjunction with Fig. 5, the flow that the control UPS units of electric power system charge to battery is discussed in detail, is performing
After step 42, following flows are performed：
Step 51, each battery position for placing battery that detection is obtained in the battery assembly module has been placed with electricity
Pond.
Step 52, according to the default first order, each battery placed in the battery assembly module and the electricity are controlled
Pond managing device realizes that series conductor connects, to cause the positive pole of the battery assembly module and negative pole and the cell managing device
Realization is conductively connected.
Step 53, whether the positive pole and negative pole for detecting each battery have been in machinery with the cell managing device
Connection status.
If the testing result of step 53 is no, step 54 is performed.
Step 54, report positive pole for showing each battery and negative pole not with the cell managing device
In the testing result of the state of mechanical connection, and alert.
If the testing result of step 53 is yes, step 55 is performed.
Step 55, according to the default second order, control each battery positive pole and negative pole with the cell tube
Reason device, which is realized, to be conductively connected, to enable the cell managing device to monitor the working condition of each battery.
Step 56 is continued executing with after execution of step 55.
Step 56, detect each connection unit at least two connection unit whether with the battery pack
Unit or the UPS units, which are realized, to be mechanically connected.
Step 57, if each connection unit at least two connection unit with the battery assembly module
Or the UPS units are realized and mechanically connected, then send steady ready signal and cause the UPS units.
Step 58, based on the standby ready signal, whether the state for detecting the UPS units is normal operating conditions；
Step 59, if the state of the UPS units is normal operating conditions, the UPS units are controlled to the electricity
Pond group unit charging.
Step 510, the UPS units are controlled to power the cell managing device.
Below in conjunction with Fig. 6, the control battery of electric power system is discussed in detail to the flow of UPS cell discharges, is performing step
After rapid 510, in addition to：
Step 61, when the UPS units power down, the battery assembly module is controlled to be powered for the UPS units.
Step 62, the battery assembly module is controlled to power the cell managing device.
The method for controlling power supply provided in the present embodiment and the electric power system in embodiment one, are to be based on same inventive concept
Under two aspect, above the implementation process of system is being described in detail, so those skilled in the art can root
It is succinct for specification according to the implementation process of the method for controlling power supply described above being apparent from the present embodiment, herein
Just repeat no more.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make other change and modification to these embodiments.So appended claims be intended to be construed to include it is excellent
Select embodiment and fall into having altered and changing for the scope of the invention.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (15)
1. a kind of electric power system, it is characterised in that the system includes：
Battery assembly module；
UPS units；
Cell managing device, including at least two connection units, be connected with least two connection unit it is at least one
Power switching unit, the power supply being connected with least one power switching unit and at least one power switching unit
The main control unit of connection, wherein, each connection unit at least two connection unit can be with the battery pack
Unit or the UPS units, which are realized, to be mechanically connected；The power switching unit is multy-way switching unit or single channel switch unit；
Wherein, when the first connection unit at least two connection unit and the battery assembly module or the UPS units
Realize when mechanically connecting, main control unit control at least one power switching unit cut off the power supply to it is described at least
The power supply of remaining connection unit in two connection units in addition to first connection unit, so that at remaining described connection unit
In open-circuit condition.
2. electric power system as claimed in claim 1, it is characterised in that at least two connection unit includes：
Managing device major loop connection unit, it can realize and mechanically connect with the positive pole and negative pole of the battery assembly module；
Managing device detects connection unit, can be real with the positive pole and negative pole of each battery being placed in the battery assembly module
Now mechanically connect；
Managing device UPS major loop connection units, it can realize and mechanically connect with the positive pole and negative pole of the UPS units.
3. electric power system as claimed in claim 2, it is characterised in that the cell managing device also includes：
Groups of sensor elements, the main control unit and managing device detection connection unit are connected, for detecting the battery pack
Whether each battery position for placing battery in unit has been placed with battery, and testing result is reported into the master control
Unit, so that the main control unit is being received for showing that each battery position has been placed with the testing result of battery
Afterwards, according to the default first order, the battery is controlled to pass through the managing device major loop connection unit and the cell tube
Reason device realizes that series conductor connects.
4. electric power system as claimed in claim 3, it is characterised in that the cell managing device also includes：
Isolation buffer unit, the groups of sensor elements and managing device detection connection unit are connected, for described each
After battery realizes that series conductor is connected by the managing device major loop connection unit with the cell managing device, according to
Default second order, the positive pole and negative pole for controlling each battery detect connection unit and institute by the managing device
Cell managing device realization is stated to be conductively connected.
5. electric power system as claimed in claim 2, it is characterised in that the cell managing device also includes：
Managing device UPS signal connection units, it can realize and mechanically connect with the signal transmission unit of the UPS units, so that
Signal transmission can be carried out by obtaining the UPS units and the cell managing device；
Charge-discharge control unit, connect the main control unit and the managing device UPS major loop connection units；Connect the master
Control unit and the managing device UPS signal connection units；For by the managing device UPS major loops connection unit and described
The link information of managing device UPS signal connection units reports the main control unit, and issued according to the main control unit
Order controls the UPS units to the battery assembly module charge or discharge.
6. electric power system as claimed in claim 2, it is characterised in that：
The interface that the managing device major loop connection unit is connected with the positive pole and negative pole of the battery assembly module is integrated in
On first connection terminal of the managing device major loop connection unit；
The managing device detection connection unit connects with what the positive pole and negative pole of each battery in the battery assembly module were connected
Mouth is integrated on second connection end of the managing device detection connection unit；
The interface that the managing device UPS major loops connection unit is connected with the positive pole and negative pole of the UPS units is integrated in
On 3rd connection terminal of the managing device UPS major loop connection units.
7. electric power system as claimed in claim 1, it is characterised in that set at least two connection unit multiple
In connection terminal, the interface quantity on any two connection terminal differs.
A kind of 8. method for controlling power supply, applied in any electric power systems of claim 1-7, it is characterised in that the side
Method includes：
Detection obtains the first connection unit and the battery assembly module or the UPS units at least two connection unit
In the state of mechanical connection；
The power supply is cut off to remaining connection unit at least two connection unit in addition to first connection unit
Power supply, to cause remaining described connection unit to be in open-circuit condition.
9. method as claimed in claim 8, it is characterised in that single to described at least two connections in the cut-out power supply
After the power supply of remaining at least one connection unit in member in addition to first connection unit, methods described also includes：
Each battery position for placing battery that detection is obtained in the battery assembly module has been placed with battery；
According to the default first order, control each battery placed in the battery assembly module and the cell managing device real
Existing series conductor connection, to cause the positive pole of the battery assembly module and negative pole and the cell managing device to realize conduction even
Connect.
10. method as claimed in claim 9, it is characterised in that described according to the default first order, control the battery
After each battery placed in group unit realizes that series conductor is connected with the cell managing device, methods described also includes：
Detection obtains the positive pole of each battery and negative pole has been in mechanical connection state with the cell managing device；
According to the default second order, the positive pole and negative pole for controlling each battery are realized with the cell managing device and led
Electrical connection, to enable the cell managing device to monitor the working condition of each battery.
11. method as claimed in claim 10, it is characterised in that described according to the default first order, control the electricity
After each battery placed in the group unit of pond realizes that series conductor is connected with the cell managing device, methods described is also wrapped
Include：
Detection obtains the positive pole of each battery and negative pole is not in mechanical connection state with the cell managing device；
The positive pole for showing each battery and negative pole is reported not to be in and mechanically connect with the cell managing device
The testing result of state, and alert.
12. method as claimed in claim 10, it is characterised in that according to the default second order, control each electricity
After the positive pole and negative pole in pond are conductively connected with cell managing device realization, methods described also includes：
Detect each connection unit at least two connection unit whether with the battery assembly module or described
UPS units, which are realized, to be mechanically connected；
If each connection unit at least two connection unit is mono- with the battery assembly module or the UPS
Member, which is realized, to be mechanically connected, then sends steady ready signal and cause the UPS units；
Based on the standby ready signal, whether the state for detecting the UPS units is normal operating conditions；
If the state of the UPS units is normal operating conditions, the UPS units are controlled to fill the battery assembly module
Electricity.
13. method as claimed in claim 12, it is characterised in that in the control UPS units to the battery pack list
After member charging, methods described also includes：
The UPS units are controlled to power the cell managing device.
14. method as claimed in claim 12, it is characterised in that in the control UPS units to the battery pack list
After member charging, methods described also includes：
When the UPS units power down, the battery assembly module is controlled to be powered for the UPS units.
15. method as claimed in claim 14, it is characterised in that control the battery assembly module mono- for the UPS described
After member power supply, methods described also includes：
The battery assembly module is controlled to power the cell managing device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310737291.8A CN104753099B (en) | 2013-12-27 | 2013-12-27 | A kind of electric power system and method for controlling power supply |
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| CN201310737291.8A CN104753099B (en) | 2013-12-27 | 2013-12-27 | A kind of electric power system and method for controlling power supply |
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| CN104753099B true CN104753099B (en) | 2017-11-14 |
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| CN105305572A (en) * | 2015-12-04 | 2016-02-03 | 杭州电子科技大学 | Safe hot plugging type battery supply system |
| CN112736345B (en) * | 2018-06-01 | 2023-08-18 | 国网江苏省电力有限公司宿迁供电分公司 | Operation method of mounting box for new energy automobile battery pack |
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| CN1322651C (en) * | 2002-04-22 | 2007-06-20 | 艾默生网络能源有限公司 | Plug-and-play charger and its charge control method |
| CN100504823C (en) * | 2007-04-19 | 2009-06-24 | 杭州华三通信技术有限公司 | Method and device for implementing peripheral element interface accelerate bus inserted card hot-plug |
| JP5677261B2 (en) * | 2011-09-30 | 2015-02-25 | 株式会社日立製作所 | Power storage system |
| US20130187469A1 (en) * | 2012-01-19 | 2013-07-25 | Chien-Ta Liang | Redundant power supply ups module |
| CN202798130U (en) * | 2012-09-25 | 2013-03-13 | 广东易事特电源股份有限公司 | Uninterruptible power supply and battery management system and uninterruptible power supply system |
| CN102945189B (en) * | 2012-11-07 | 2015-11-25 | 惠州Tcl移动通信有限公司 | Mobile terminal and storage card hot-plug method thereof |
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