CN104753099A - Power supply system and power supply control method - Google Patents
Power supply system and power supply control method Download PDFInfo
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- CN104753099A CN104753099A CN201310737291.8A CN201310737291A CN104753099A CN 104753099 A CN104753099 A CN 104753099A CN 201310737291 A CN201310737291 A CN 201310737291A CN 104753099 A CN104753099 A CN 104753099A
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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
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Abstract
The invention discloses a power supply system and a power supply control method. The system comprises a battery pack unit, a UPS unit and a battery management device. The battery management device comprises at least two connection units, at least one power switching unit, a power supply and a master control unit, wherein the power switching unit is connected to the connection units, the power supply is connected with the power switching unit, and the master control unit is connected to the power switching unit. Each connection unit can be mechanically connected with the battery pack unit or the UPS unit; and when the first connection unit is mechanically connected with the battery pack unit or the UPS unit, the main control unit controls the power switching unit to cut off power supply of all other connection units so that the other connection units are in open-circuit states. The power supply system and the power supply control method solve the technical problem that in the prior art, a power supply system with UPS may not support hot swap.
Description
Technical field
The present invention relates to electro-mechanical arts, particularly relate to a kind of electric power system and method for controlling power supply.
Background technology
Communication uninterrupted power supply (the Uninterruptible Power System of current main flow on the market, UPS) generally lead acid accumulator is connect, but along with the maturation of lithium battery technology, progressively occur multiple lithium battery series connection for replacing lead acid accumulator to connect the application of UPS after battery assembly module.But due to the characteristic of lithium battery self, the discharge and recharge of the necessary each lithium battery of strict control and temperature, otherwise overcharge or the overdischarge of single lithium battery may be caused, thus cause cell damage.
In order to realize the management of discharge and recharge to each lithium battery and temperature, after needing battery assembly module to be connected with a cell managing device, integrally replacing lead acid accumulator and connecting UPS.Wherein, the positive pole of battery assembly module is connected with cell managing device with negative pole major loop, realizes the charging and discharging with UPS by cell managing device; And the positive pole of each battery in battery assembly module is also connected with cell managing device with negative pole, is carried out the discharge and recharge of each battery of detection management by cell managing device.
Due to the voltage of battery assembly module and the voltage of UPS inconsistent, when battery assembly module and UPS are all energized, go to connect battery assembly module, UPS and cell managing device, large rush of current can be produced in the moment of plug, and the damage of the electric power system causing battery assembly module, UPS and cell managing device to form.
That is, prior art comprises the electric power system of band UPS, there is the technical problem not supporting hot plug.
Summary of the invention
The embodiment of the present invention provides a kind of electric power system and method for controlling power supply, comprises the electric power system of band UPS, the technical problem not supporting hot plug of existence in order to solve prior art.
Embodiment of the present invention technical scheme is as follows:
The embodiment of the present invention provides a kind of electric power system, and described system comprises:
Battery assembly module;
UPS unit;
Cell managing device, at least one the power switching unit, the power supply be connected with at least one power switching unit described, the main control unit that is connected with at least one power switching unit described that comprise at least two linkage units, be all connected with described at least two linkage units, wherein, each linkage unit in described at least two linkage units all can realize being mechanically connected with described battery assembly module or described UPS unit;
Wherein, when the first linkage unit in described at least two linkage units and described battery assembly module or described UPS unit realize being mechanically connected, described main control unit controls at least one power switching unit described and cuts off the power supply of described power supply to all the other linkage units in described at least two linkage units except described first linkage unit, is in open-circuit condition to make all the other linkage units described.
As from the foregoing, when the arbitrary linkage unit of embodiment of the present invention technical scheme in multiple linkage units of cell managing device and battery assembly module or UPS unit realize being mechanically connected, power switching unit is controlled to cut off the power supply of all the other linkage units by main control unit, all the other linkage units are made to be in open-circuit condition, with when all the other linkage units external power supply unit, cut off the current path between external power subsystem and the unit just accessed, put the heavy current impact that only hot plug produces, improve the reliability of electric power system.
Preferably, described at least two linkage units comprise: management devices major loop linkage unit, can realize being mechanically connected with the positive pole of described battery assembly module and negative pole; Management devices detects linkage unit, can realize being mechanically connected with the positive pole of each battery be placed in described battery assembly module and negative pole; Management devices UPS major loop linkage unit, can realize being mechanically connected with the positive pole of described UPS unit and negative pole.Thus the heavy current impact produced when effectively avoiding UPS unit and battery assembly module to access battery management unit, improve the reliability of electric power system.
Preferably, described cell managing device also comprises: groups of sensor elements, connect described main control unit and described management devices detects linkage unit, whether all battery is placed with for each battery position for placing battery detected in described battery assembly module, and testing result is reported to described main control unit, receiving for after showing that described each battery position has been placed with the testing result of battery all to make described main control unit, according to the first order preset, control described battery to realize series conductor by described management devices major loop linkage unit with described cell managing device and be connected, thus realize no matter battery is put into battery unit by which kind of order by user, the equal electric power system wafer damage that battery access sequence error can be avoided to cause, improve the reliability of electric power system.
Preferably, described cell managing device also comprises: isolation buffer unit, connect described groups of sensor elements and described management devices detects linkage unit, for to be realized after series conductor is connected by described management devices major loop linkage unit and described cell managing device at described each battery, according to the second order preset, the positive pole controlling described each battery and negative pole all detect linkage unit by described management devices and realize conducting electricity with described cell managing device and be connected.Thus realizing no matter user is by which kind of order by the both positive and negative polarity of each battery access cell managing device, the electric power system wafer damage that each battery plus-negative plate access sequence error all can be avoided to cause, improves the reliability of electric power system.
Preferably, described cell managing device also comprises: management devices UPS signal linkage unit, can realize being mechanically connected with the signal transmission unit of described UPS unit, can carry out Signal transmissions to make described UPS unit and described cell managing device; Charge-discharge control unit, connects described main control unit and described management devices UPS major loop linkage unit; Connect described main control unit and described management devices UPS signal linkage unit; For the link information of described management devices UPS major loop linkage unit and described management devices UPS signal linkage unit is reported described main control unit, and control described UPS unit to described battery assembly module charging or electric discharge according to the order that described main control unit issues.Thus realize being connected into cell managing device at UPS major loop both positive and negative polarity, and UPS unit ready after, main control unit by charge-discharge control unit controls UPS unit to the charging of described battery assembly module or electric discharge, the reliability of raising electric power system.
Preferably, the interface that described management devices major loop linkage unit is connected with positive pole and the negative pole of described battery assembly module is all integrated on the first splicing ear of described management devices major loop linkage unit; The interface that described management devices detection linkage unit is connected with positive pole and the negative pole of each battery in described battery assembly module is all integrated in described management devices and detects on the second splicing ear of linkage unit; The interface that described management devices UPS major loop linkage unit is connected with positive pole and the negative pole of described UPS unit is all integrated on the 3rd splicing ear of described management devices UPS major loop linkage unit.By the Interface integration of positive pole and negative pole on same terminal, do not need connection and the clearing sequence of considering both positive and negative polarity, avoid the damage to electric power system that both positive and negative polarity order of connection mistake causes, effectively improve the reliability of electric power system.
Preferably, in multiple splicing ears that described at least two linkage units are arranged, the interface quantity on any two splicing ears is all not identical.Fool-proof design is adopted effectively to reduce the probability of terminal connection error, the reliability of electric power system.
The embodiment of the present invention also provides a kind of method for controlling power supply, and be applied in above-mentioned electric power system, described method comprises:
Detect the first linkage unit described in obtaining at least two linkage units and described battery assembly module or described UPS unit and be in mechanical connection state;
Cut off the power supply of described power supply to all the other linkage units in described at least two linkage units except described first linkage unit, be all in open-circuit condition to make all the other linkage units described.
As from the foregoing, when the arbitrary linkage unit of embodiment of the present invention technical scheme in multiple linkage units of cell managing device and battery assembly module or UPS unit realize being mechanically connected, cut off the electricity supply to the power supply of all the other linkage units, all the other linkage units are made to be in open-circuit condition, with when all the other linkage units external power supply unit, cut off the current path between external power subsystem and the unit just accessed, put the heavy current impact that only hot plug produces, improve the reliability of electric power system.
Preferably, after the power supply of all the other at least one linkage units during the described power supply of described cut-out is to described at least two linkage units except described first linkage unit, described method also comprises: detect each battery position for placing battery obtained in described battery assembly module and be all placed with battery; According to the first order preset, the each battery controlling to place in described battery assembly module realizes series conductor with described cell managing device and is connected, thus realize no matter battery is put into battery unit by which kind of order by user, the equal electric power system wafer damage that battery access sequence error can be avoided to cause, improves the reliability of electric power system.
Preferably, in described the first order according to presetting, controlling each battery of placing in described battery assembly module and described cell managing device realizes after series conductor is connected, and described method also comprises: detect the positive pole that obtains described each battery and negative pole is in mechanical connection state with described cell managing device all; According to the second order preset, the positive pole controlling described each battery all realizes conducting electricity with described cell managing device with negative pole and is connected, with the operating state making described cell managing device can monitor described each battery.Thus realizing no matter user is by which kind of order by the both positive and negative polarity of each battery access cell managing device, the electric power system wafer damage that each battery plus-negative plate access sequence error all can be avoided to cause, improves the reliability of electric power system.
Preferably, in described the first order according to presetting, controlling each battery of placing in described battery assembly module and described cell managing device realizes after series conductor is connected, and described method also comprises: detect the positive pole that obtains described each battery and negative pole is not all in mechanical connection state with described cell managing device; Positive pole and negative pole for showing described each battery is reported not to have all to be in the testing result of mechanical connection state with described cell managing device, and alarm.Battery effectively can be prevented not to be in monitoring the situation causing battery damage, to improve the reliability of battery in electric power system.
Preferably, according to preset second order, after the positive pole controlling described each battery and negative pole all realize conducting electricity with described cell managing device and be connected, described method also comprises: whether each linkage unit at least two linkage units described in detection realizes being mechanically connected with described battery assembly module or described UPS unit all; If each linkage unit in described at least two linkage units realizes being mechanically connected with described battery assembly module or described UPS unit all, then send a standby ready signal and cause described UPS unit; Based on described standby ready signal, whether the state detecting described UPS unit is normal operating conditions; If the state of described UPS unit is normal operating conditions, then controls described UPS unit and described battery assembly module is charged.Effectively can promote the fail safe that UPS unit charges to battery assembly module, improve the reliability of battery in electric power system.
Preferably, after described control described UPS unit is to described battery assembly module charging, described method also comprises: control described UPS unit and power to described cell managing device.To prevent cell managing device power down, improve the reliability of electric power system.
Preferably, after described control described UPS unit is to described battery assembly module charging, described method also comprises: when described UPS unit power down, and controlling described battery assembly module is that described UPS unit is powered.To prevent the power down of UPS unit, improve the reliability of electric power system.
Preferably, be that after described UPS unit is powered, described method also comprises at the described battery assembly module of described control: control described battery assembly module and power to prevent cell managing device power down to described cell managing device, improve the reliability of electric power system.
Accompanying drawing explanation
Fig. 1 is in the embodiment of the present invention one, the connection diagram one of electric power system;
Fig. 2 is in the embodiment of the present invention one, the connection diagram two of electric power system;
Fig. 3 is in the embodiment of the present invention one, the structural representation of splicing ear;
Fig. 4 is in the embodiment of the present invention two, the flow chart of method for controlling power supply;
Fig. 5 is in the embodiment of the present invention two, the flow chart that control UPS unit charges to battery assembly module;
Fig. 6 is in the embodiment of the present invention two, controls battery assembly module to the flow chart of UPS cell discharge.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, and obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
In prior art, the electric power system of band UPS, does not support hot plug, therefore needs to connect electric power system according to strict plug order, otherwise can produce large rush of current in the moment of plug, and causes the damage of electric power system.
In embodiment of the present invention technical scheme, when arbitrary linkage unit in multiple linkage units of cell managing device and battery assembly module or UPS unit realize being mechanically connected, power switching unit is controlled to cut off the power supply of all the other linkage units by main control unit, all the other linkage units are made to be in open-circuit condition, with when all the other linkage units external power supply unit, cut off the current path between external power subsystem and the unit just accessed, put the heavy current impact that only hot plug produces, improve the reliability of electric power system.
Below in conjunction with each accompanying drawing, the main of embodiment of the present invention technical scheme is realized principle, embodiment and set forth in detail the beneficial effect that should be able to reach.
Embodiment one
A kind of electric power system is provided in the embodiment of the present invention one, in specific implementation process, described electric power system may be used for, for the equipment such as communication equipment, large-scale control appliance, manufacture process equipment provide uninterrupted power supply, will not enumerate in the present embodiment.
Please refer to Fig. 1, Fig. 1 is the connection diagram of the electric power system that the embodiment of the present invention one proposes, and described system comprises:
Battery assembly module 11;
UPS unit 12;
Cell managing device 13, at least one the power switching unit 15, the power supply 16 be connected with at least one power switching unit 15 described, the main control unit 17 that is connected with at least one power switching unit 15 described that comprise at least two linkage units 14, be all connected with described at least two linkage units 14, wherein, each linkage unit in described at least two linkage units 14 all can realize being mechanically connected with described battery assembly module 11 or described UPS unit 12;
Wherein, when the first linkage unit in described at least two linkage units 14 and described battery assembly module 11 or described UPS unit 12 realize being mechanically connected, described main control unit 17 controls at least one power switching unit 15 described and cuts off the power supply of described power supply 16 to all the other linkage units in described at least two linkage units 14 except described first linkage unit, is in open-circuit condition to make all the other linkage units described.
In specific implementation process, power switching unit 15 can be the multy-way switching unit be all connected with at least two linkage units 14, also can be the multiple single channel switch units be connected one by one with each linkage unit at least two linkage units 14.Corresponding, power supply 16 can be the power supply be connected with a multy-way switching unit, also can be the multiple power supplys be connected with multiple single channel switch unit.
Owing to mainly controlling the power supply to linkage unit 14 by the cell managing device 13 in electric power system, to avoid hot plug to the damage of electric power system, therefore below from the linkage unit of cell managing device 13, and the structure of cell managing device 13 is mainly introduced in internal element two aspects of cell managing device 13.
First aspect, the linkage unit of cell managing device 13.
First, the kind of the linkage unit of cell managing device 13 is introduced.
In specific implementation process, cell managing device 13 needs to be connected with the both positive and negative polarity of battery assembly module 11 and the both positive and negative polarity of UPS unit 12, carries out discharge and recharge to realize UPS unit 12 by pond management devices 13 pairs of battery assembly modules 11.And cell managing device 13 also needs to be connected with negative pole with the positive pole of each battery placed in battery assembly module 11, to realize detecting in real time the voltage of each battery, electric current and temperature, and then control the safe discharge and recharge of battery assembly module 11.
Therefore as shown in Figure 2, described at least two linkage units 14 comprise:
Management devices major loop linkage unit 21, can realize being mechanically connected with the positive pole of described battery assembly module 11 and negative pole;
Management devices detects linkage unit 22, can realize being mechanically connected with the positive pole of each battery be placed in described battery assembly module 11 and negative pole;
Management devices UPS major loop linkage unit 23, can realize being mechanically connected with the positive pole of described UPS unit 12 and negative pole.
Due to UPS unit 12, battery assembly module 11 with to be placed on the voltage of each battery in battery assembly module inconsistent, therefore the both positive and negative polarity of UPS unit 12, the both positive and negative polarity of battery assembly module 11 and be placed on each battery in battery assembly module both positive and negative polarity in arbitrary access cell managing device 13 time, all the other linkage units are made to be in open circuit, the heavy current impact that can effectively avoid hot plug to produce, improves the reliability of electric power system.
Further, cell managing device 13 can also obtain the work state information of UPS unit 12, and sending controling instruction causes UPS unit 12 carries out safe and intelligent discharge and recharge to control UPS unit 12 pairs of battery assembly modules 11, therefore also need the connection of setting up with UPS unit 12 for Signal transmissions, namely described cell managing device 13 also comprises:
Management devices UPS signal linkage unit 24, can realize being mechanically connected with the signal transmission unit of described UPS unit 12, can carry out Signal transmissions to make described UPS unit 12 with described cell managing device 13.
Next, the structure of the splicing ear of the linkage unit of cell managing device 13 is introduced.
Electric power system of the prior art, its cell managing device 13 is all by arranging two copper posts with the connection of the both positive and negative polarity of battery assembly module 11 and the both positive and negative polarity of UPS unit 12, a copper post connects positive pole, a copper post connects negative pole to realize, the necessary extreme care when workshop and in-site installation like this, easily there is both positive and negative polarity order of connection mistake, be connected between joint with access unit obscure, both positive and negative polarity connects the problems such as anti-, once there is above-mentioned integrity problem, electric power system short circuit, irregular working can be caused, even hardware damage.
The embodiment of the present application, by providing the modified node method of following three kinds of splicing ears, solves above-mentioned integrity problem:
The first, positive pole and negative pole are arranged on same splicing ear.
Please refer to Fig. 3, Fig. 3 is the splicing ear structural representation of the embodiment of the present application one.
As shown in Figure 3, the interface that described management devices major loop linkage unit 21 is connected with positive pole and the negative pole of described battery assembly module 11 is all integrated on the first splicing ear 31 of described management devices major loop linkage unit 21;
The interface that described management devices detection linkage unit 22 is connected with positive pole and the negative pole of each battery in described battery assembly module 11 is all integrated in described management devices and detects on the second splicing ear 32 of linkage unit 22;
The interface that described management devices UPS major loop linkage unit 23 is connected with positive pole and the negative pole of described UPS unit 12 is all integrated on the 3rd splicing ear 33 of described management devices UPS major loop linkage unit 23.
By being all integrated on a splicing ear by the interface be connected with the positive pole and negative pole of unit to be connected, can consider the order of connection of both positive and negative polarity, the convenient positive pole that realizes is connected with while negative pole.
The second, the quantity arranging interface on splicing ear are all not identical.
Namely, in the multiple splicing ears arranged on described at least two linkage units, the interface quantity on any two splicing ears is all not identical.
In specific implementation process, described interface can be jack, also can be contact pin.
As shown in Figure 3, the first splicing ear 31 is provided with double totally 14 interfaces, the second splicing ear 32 is provided with double totally 24 interfaces, the 3rd splicing ear 33 is provided with double totally 12 interfaces, the number of ports on each terminal is all different from all the other terminals.And with the terminal on the unit to be accessed that a certain splicing ear on cell managing device 13 mates, also there is the number of ports identical with described a certain splicing ear, therefore can connect between the terminal only matched each other, and then effectively avoid occurring between joint with access unit, being connected situation about obscuring, improve electric power system reliability.
The third, direction of insertion error-proof structure 34 is set on splicing ear.
In specific implementation process, can be non complete symmetry shape by arranging the end surface shape of splicing ear, or the terminal arranging the structure such as shell fragment, bayonet socket to make two couplings on splicing ear can only realize connecting with fixing direction, in the terminal of two couplings after arbitrary terminal upset, the terminal of two couplings can not realize connecting.And then effectively avoid occurring that the positive and negative level caused because of terminal insertion anisotropy connects anti-problem, improve electric power system reliability.
The modified node method of above-mentioned three kinds of splicing ears can combination in any.
Second aspect, the internal element of cell managing device 13.
Please continue to refer to Fig. 2, as shown in Figure 2, except power switching unit 15, power supply 16 and the main control unit 17 introduced above, described cell managing device 13 can also comprise groups of sensor elements 25, isolation buffer unit 26 and charge-discharge control unit 27, will be introduced respectively below:
One, groups of sensor elements 25, connect described main control unit 17 and detect linkage unit 22 with described management devices, whether all battery is placed with for each battery position for placing battery detected in described battery assembly module 11, and testing result is reported to described main control unit 17, receiving for after showing that described each battery position has been placed with the testing result of battery all to make described main control unit 17, according to the first order preset, control described battery to realize series conductor by described management devices major loop linkage unit 21 with described cell managing device 13 and be connected.
Groups of sensor elements 25 detects battery and places situation, and reports main control unit 17, and then battery and cell managing device 13 are realized, and idiographic flow that series conductor is connected is as follows:
Whether each battery position for placing battery that groups of sensor elements 25 detects in battery assembly module 11 is placed with battery all;
If described each battery position is placed with battery all, then report main control unit 17,
After main control unit 17 receives reporting information, according to the first order preset, control battery realizes series conductor by management devices major loop linkage unit 21 with cell managing device 13 and is connected.
In specific implementation process, in order to ensure the secure accessing of battery, described first order is preferably: be first connected with cell managing device 13 conducting by the negative pole of the negative pole of battery assembly module 11 major loop by management devices major loop linkage unit 21, connected to the conducting of connecting successively of high-order order with voltage low by the battery placed in battery assembly module 11, the positive pole finally positive pole of battery assembly module 11 major loop being passed through management devices major loop linkage unit 21 is connected with cell managing device 13 conducting again.
Two, isolation buffer unit 26, connect described groups of sensor elements 25 and detect linkage unit 22 with described management devices, for to be realized after series conductor is connected by described management devices major loop linkage unit 21 and described cell managing device 13 at described each battery, according to the second order preset, the positive pole controlling described each battery and negative pole all detect linkage unit 22 by described management devices and realize conducting electricity with described cell managing device 13 and be connected.
It is as follows that the positive pole that isolation buffer unit 26 controls each battery and negative pole and cell managing device 13 realize conducting electricity the idiographic flow be connected:
Isolation buffer unit 26 detects the positive pole of each battery of the placement in battery assembly module 11 and negative pole and whether all detects linkage unit 22 with management devices and be in mechanical connection state;
If the positive pole of each battery and negative pole all detect linkage unit 22 with management devices and be in mechanical connection state, then report main control unit 17;
After main control unit 17 receives reporting information, according to the second order preset, the positive pole controlling described each battery all realizes conducting electricity with described cell managing device with negative pole and is connected, with the operating state making described cell managing device can monitor described each battery.
In specific implementation process, in order to ensure the secure accessing of battery detecting line, described second order is preferably: first the negative pole of battery assembly module 11 major loop is detected linkage unit 22 by management devices and be connected with cell managing device 13 conducting, again the battery placed in battery assembly module 11 is detected linkage unit 22 by management devices with voltage low successively to high-order order to be connected with cell managing device 13 conducting, finally the positive pole of battery assembly module 11 major loop is detected linkage unit 22 by management devices and be connected with cell managing device 13 conducting.
Three, charge-discharge control unit 27, connects described main control unit 17 and described management devices UPS major loop linkage unit 23; Connect described main control unit 17 and described management devices UPS signal linkage unit 24; For the link information of described management devices UPS major loop linkage unit 23 and described management devices UPS signal linkage unit 24 is reported described main control unit 17, and control described UPS unit 12 according to the order that described main control unit 17 issues described battery assembly module 11 is charged or discharged.
The idiographic flow that charge-discharge control unit 27 controls the charging of described battery assembly module 11 is as follows:
Whether charge-discharge control unit 27 detects battery assembly module 11 and all realizes being mechanically connected with cell managing device 13 by management devices major loop linkage unit 21 and management devices detection linkage unit 22;
If battery assembly module 11 detects linkage unit 22 by management devices major loop linkage unit 21 and management devices and realizes being mechanically connected with cell managing device 13, then send a standby ready signal by management devices UPS signal linkage unit 24 and cause UPS unit 12;
Based on described standby ready signal, whether the state detecting described UPS unit 12 is normal operating conditions;
If the state of described UPS unit 12 is normal operating conditions, then controls described UPS unit 12 and described battery assembly module 11 is charged.
The idiographic flow that charge-discharge control unit 27 controls the electric discharge of described battery assembly module 11 is as follows:
When 12 power down of UPS unit, UPS unit 12 sends a power-off signal by management devices UPS signal linkage unit 24 and causes 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 assembly module 11 pairs of UPS unit 12 and discharges.
Therefore, by the control of power switching unit 15, power supply 16 and main control unit 17, groups of sensor elements 25, isolation buffer unit 26 and charge-discharge control unit 27, which kind of can realize no matter with order, battery assembly module 11 and UPS unit 12 being accessed cell managing device 13, equal energy is by each interface of the sequential control conducting successively preset, the electric power system avoiding order of connection mistake to cause is damaged, the effective reliability improving electric power system.
Embodiment two
Embodiment two provides a kind of method for controlling power supply, is applied in the electric power system that embodiment one provides, please refer to Fig. 4, and Fig. 4 is the flow chart of the method for controlling power supply that embodiment two proposes, and its flow process is:
Step 41, detects the first linkage unit described in obtaining at least two linkage units and described battery assembly module or described UPS unit and is in mechanical connection state;
Step 42 cuts off the power supply of described power supply to all the other linkage units in described at least two linkage units except described first linkage unit, is all in open-circuit condition to make all the other linkage units described.
Below in conjunction with Fig. 5, the flow process that the control UPS unit introducing electric power system in detail charges to battery, after execution of step 42, performs following flow process:
Step 51, detects each battery position for placing battery obtained in described battery assembly module and is all placed with battery.
Step 52, according to the first order preset, each battery controlling to place in described battery assembly module realizes series conductor with described cell managing device and is connected, and realizes conducting electricity being connected to make the positive pole of described battery assembly module with negative pole and described cell managing device.
Step 53, whether the positive pole and the negative pole that detect described each battery are in mechanical connection state with described cell managing device all.
If the testing result of step 53 is no, then perform step 54.
Step 54, reports positive pole and negative pole for showing described each battery not to have all to be in the testing result of mechanical connection state with described cell managing device, and alarm.
If the testing result of step 53 is yes, then perform step 55.
Step 55, according to the second order preset, the positive pole controlling described each battery all realizes conducting electricity with described cell managing device with negative pole and is connected, with the operating state making described cell managing device can monitor described each battery.
Continue to perform step 56 after execution of step 55.
Step 56, whether each linkage unit at least two linkage units described in detection realizes being mechanically connected with described battery assembly module or described UPS unit all.
Step 57, if each linkage unit in described at least two linkage units realizes being mechanically connected with described battery assembly module or described UPS unit all, then sends a standby ready signal and causes described UPS unit.
Step 58, based on described standby ready signal, whether the state detecting described UPS unit is normal operating conditions;
Step 59, if the state of described UPS unit is normal operating conditions, then controls described UPS unit and charges to described battery assembly module.
Step 510, controls described UPS unit and powers to described cell managing device.
Composition graphs 6 more below, the control battery introducing electric power system in detail, to the flow process of UPS cell discharge, after execution step 510, also comprises:
Step 61, when described UPS unit power down, controlling described battery assembly module is that described UPS unit is powered.
Step 62, controls described battery assembly module and powers to described cell managing device.
Electric power system in the method for controlling power supply provided in the present embodiment and embodiment one, based on the aspect of two under same inventive concept, detailed description is done to the implementation process of system above, so those skilled in the art can according to the implementation process of the method for controlling power supply in aforementioned understanding the present embodiment be described clearly, succinct in order to specification, has just repeated no more at this.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (15)
1. an electric power system, is characterized in that, described system comprises:
Battery assembly module;
UPS unit;
Cell managing device, at least one the power switching unit, the power supply be connected with at least one power switching unit described, the main control unit that is connected with at least one power switching unit described that comprise at least two linkage units, be all connected with described at least two linkage units, wherein, each linkage unit in described at least two linkage units all can realize being mechanically connected with described battery assembly module or described UPS unit;
Wherein, when the first linkage unit in described at least two linkage units and described battery assembly module or described UPS unit realize being mechanically connected, described main control unit controls at least one power switching unit described and cuts off the power supply of described power supply to all the other linkage units in described at least two linkage units except described first linkage unit, is in open-circuit condition to make all the other linkage units described.
2. electric power system as claimed in claim 1, it is characterized in that, described at least two linkage units comprise:
Management devices major loop linkage unit, can realize being mechanically connected with the positive pole of described battery assembly module and negative pole;
Management devices detects linkage unit, can realize being mechanically connected with the positive pole of each battery be placed in described battery assembly module and negative pole;
Management devices UPS major loop linkage unit, can realize being mechanically connected with the positive pole of described UPS unit and negative pole.
3. electric power system as claimed in claim 2, it is characterized in that, described cell managing device also comprises:
Groups of sensor elements, connect described main control unit and described management devices detects linkage unit, whether all battery is placed with for each battery position for placing battery detected in described battery assembly module, and testing result is reported to described main control unit, receiving for after showing that described each battery position has been placed with the testing result of battery all to make described main control unit, according to the first order preset, control described battery and realize series conductor by described management devices major loop linkage unit with described cell managing device and be connected.
4. electric power system as claimed in claim 3, it is characterized in that, described cell managing device also comprises:
Isolation buffer unit, connect described groups of sensor elements and described management devices detects linkage unit, for to be realized after series conductor is connected by described management devices major loop linkage unit and described cell managing device at described each battery, according to the second order preset, the positive pole controlling described each battery and negative pole all detect linkage unit by described management devices and realize conducting electricity with described cell managing device and be connected.
5. electric power system as claimed in claim 2, it is characterized in that, described cell managing device also comprises:
Management devices UPS signal linkage unit, can realize being mechanically connected with the signal transmission unit of described UPS unit, can carry out Signal transmissions to make described UPS unit and described cell managing device;
Charge-discharge control unit, connects described main control unit and described management devices UPS major loop linkage unit; Connect described main control unit and described management devices UPS signal linkage unit; For the link information of described management devices UPS major loop linkage unit and described management devices UPS signal linkage unit is reported described main control unit, and control described UPS unit to described battery assembly module charging or electric discharge according to the order that described main control unit issues.
6. electric power system as claimed in claim 2, is characterized in that:
The interface that described management devices major loop linkage unit is connected with positive pole and the negative pole of described battery assembly module is all integrated on the first splicing ear of described management devices major loop linkage unit;
The interface that described management devices detection linkage unit is connected with positive pole and the negative pole of each battery in described battery assembly module is all integrated in described management devices and detects on the second splicing ear of linkage unit;
The interface that described management devices UPS major loop linkage unit is connected with positive pole and the negative pole of described UPS unit is all integrated on the 3rd splicing ear of described management devices UPS major loop linkage unit.
7. electric power system as claimed in claim 1, it is characterized in that, in multiple splicing ears that described at least two linkage units are arranged, the interface quantity on any two splicing ears is all not identical.
8. a method for controlling power supply, be applied in the arbitrary described electric power system of claim 1-7, it is characterized in that, described method comprises:
Detect the first linkage unit described in obtaining at least two linkage units and described battery assembly module or described UPS unit and be in mechanical connection state;
Cut off the power supply of described power supply to all the other linkage units in described at least two linkage units except described first linkage unit, be all in open-circuit condition to make all the other linkage units described.
9. method as claimed in claim 8, it is characterized in that, after the power supply of all the other at least one linkage units during the described power supply of described cut-out is to described at least two linkage units except described first linkage unit, described method also comprises:
Detect each battery position for placing battery obtained in described battery assembly module and be all placed with battery;
According to the first order preset, each battery controlling to place in described battery assembly module realizes series conductor with described cell managing device and is connected, and realizes conducting electricity being connected to make the positive pole of described battery assembly module with negative pole and described cell managing device.
10. method as claimed in claim 9, is characterized in that, in described the first order according to presetting, control each battery of placing in described battery assembly module and described cell managing device and realize after series conductor is connected, described method also comprises:
The positive pole and the negative pole that detect the described each battery of acquisition are in mechanical connection state with described cell managing device all;
According to the second order preset, the positive pole controlling described each battery all realizes conducting electricity with described cell managing device with negative pole and is connected, with the operating state making described cell managing device can monitor described each battery.
11. methods as claimed in claim 10, is characterized in that, in described the first order according to presetting, control each battery of placing in described battery assembly module and described cell managing device and realize after series conductor is connected, described method also comprises:
The positive pole and the negative pole that detect the described each battery of acquisition are all in mechanical connection state with described cell managing device;
Positive pole and negative pole for showing described each battery is reported not to have all to be in the testing result of mechanical connection state with described cell managing device, and alarm.
12. methods as claimed in claim 10, is characterized in that, according to the second order preset, after the positive pole controlling described each battery and negative pole all realize conducting electricity with described cell managing device and be connected, described method also comprises:
Whether each linkage unit at least two linkage units described in detection realizes being mechanically connected with described battery assembly module or described UPS unit all;
If each linkage unit in described at least two linkage units realizes being mechanically connected with described battery assembly module or described UPS unit all, then send a standby ready signal and cause described UPS unit;
Based on described standby ready signal, whether the state detecting described UPS unit is normal operating conditions;
If the state of described UPS unit is normal operating conditions, then controls described UPS unit and described battery assembly module is charged.
13. methods as claimed in claim 12, is characterized in that, after described control described UPS unit is to described battery assembly module charging, described method also comprises:
Control described UPS unit to power to described cell managing device.
14. methods as claimed in claim 12, is characterized in that, after described control described UPS unit is to described battery assembly module charging, described method also comprises:
When described UPS unit power down, controlling described battery assembly module is that described UPS unit is powered.
15. methods as claimed in claim 14, is characterized in that, are that after described UPS unit is powered, described method also comprises at the described battery assembly module of described control:
Control described battery assembly module to power to described cell managing device.
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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 (en) | 2017-11-14 |
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